xnu-6153.81.5.tar.gz

[apple/xnu.git] / security / mac_policy.h

diff --git a/security/mac_policy.h b/security/mac_policy.h
index 31507419b8aff98f813b02bd4741a2e611ba686e..1b46adf7ae247bec28de12c203e8e1968badb069 100644 (file)
--- a/security/mac_policy.h
+++ b/security/mac_policy.h
@@ -1,8 +1,8 @@
 /*
 /*

- * Copyright (c) 2007-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2016 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

- * 
+ *

  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in


@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.

- * 
+ *

  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.

- * 
+ *

  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,


@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.

- * 
+ *

  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*-
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*-


@@ -66,16 +66,16 @@
  */
 
 /**
  */
 
 /**

-  @file mac_policy.h
-  @brief Kernel Interfaces for MAC policy modules
-
-  This header defines the list of operations that are defined by the
-  TrustedBSD MAC Framwork on Darwin.  MAC Policy modules register
-  with the framework to declare interest in a specific set of
-  operations.  If interest in an entry point is not declared, then
-  the policy will be ignored when the Framework evaluates that entry
-  point.
-*/
+ *  @file mac_policy.h
+ *  @brief Kernel Interfaces for MAC policy modules
+ *
+ *  This header defines the list of operations that are defined by the
+ *  TrustedBSD MAC Framwork on Darwin.  MAC Policy modules register
+ *  with the framework to declare interest in a specific set of
+ *  operations.  If interest in an entry point is not declared, then
+ *  the policy will be ignored when the Framework evaluates that entry
+ *  point.
+ */

 
 #ifndef _SECURITY_MAC_POLICY_H_
 #define _SECURITY_MAC_POLICY_H_
 
 #ifndef _SECURITY_MAC_POLICY_H_
 #define _SECURITY_MAC_POLICY_H_


@@ -89,13 +89,14 @@
 struct attrlist;
 struct auditinfo;
 struct bpf_d;
 struct attrlist;
 struct auditinfo;
 struct bpf_d;

+struct cs_blob;

 struct devnode;
 struct devnode;

+struct exception_action;

 struct fileglob;
 struct ifnet;
 struct inpcb;
 struct ipq;
 struct label;
 struct fileglob;
 struct ifnet;
 struct inpcb;
 struct ipq;
 struct label;

-struct lctx;

 struct mac_module_data;
 struct mac_policy_conf;
 struct mbuf;
 struct mac_module_data;
 struct mac_policy_conf;
 struct mbuf;


@@ -121,9 +122,9 @@ struct vnode;
 
 
 #ifndef _KAUTH_CRED_T
 
 
 #ifndef _KAUTH_CRED_T

-#define        _KAUTH_CRED_T
+#define _KAUTH_CRED_T

 typedef struct ucred *kauth_cred_t;
 typedef struct ucred *kauth_cred_t;

-#endif /* !_KAUTH_CRED_T */
+#endif  /* !_KAUTH_CRED_T */

 
 #ifndef __IOKIT_PORTS_DEFINED__
 #define __IOKIT_PORTS_DEFINED__
 
 #ifndef __IOKIT_PORTS_DEFINED__
 #define __IOKIT_PORTS_DEFINED__


@@ -152,190 +153,190 @@ typedef struct OSObject *io_object_t;
  */
 
 /**
  */
 
 /**

-  @name Entry Points for Label Management
-
-  These are the entry points corresponding to the life cycle events for
-  kernel objects, such as initialization, creation, and destruction.
-
-  Most policies (that use labels) will initialize labels by allocating
-  space for policy-specific data.  In most cases, it is permitted to
-  sleep during label initialization operations; it will be noted when
-  it is not permitted.
-
-  Initialization usually will not require doing more than allocating a
-  generic label for the given object.  What follows initialization is
-  creation, where a label is made specific to the object it is associated
-  with.  Destruction occurs when the label is no longer needed, such as
-  when the corresponding object is destroyed.  All necessary cleanup should
-  be performed in label destroy operations.
-
-  Where possible, the label entry points have identical parameters.  If
-  the policy module does not require structure-specific label
-  information, the same function may be registered in the policy
-  operation vector.  Many policies will implement two such generic
-  allocation calls: one to handle sleepable requests, and one to handle
-  potentially non-sleepable requests.
-*/
+ *  @name Entry Points for Label Management
+ *
+ *  These are the entry points corresponding to the life cycle events for
+ *  kernel objects, such as initialization, creation, and destruction.
+ *
+ *  Most policies (that use labels) will initialize labels by allocating
+ *  space for policy-specific data.  In most cases, it is permitted to
+ *  sleep during label initialization operations; it will be noted when
+ *  it is not permitted.
+ *
+ *  Initialization usually will not require doing more than allocating a
+ *  generic label for the given object.  What follows initialization is
+ *  creation, where a label is made specific to the object it is associated
+ *  with.  Destruction occurs when the label is no longer needed, such as
+ *  when the corresponding object is destroyed.  All necessary cleanup should
+ *  be performed in label destroy operations.
+ *
+ *  Where possible, the label entry points have identical parameters.  If
+ *  the policy module does not require structure-specific label
+ *  information, the same function may be registered in the policy
+ *  operation vector.  Many policies will implement two such generic
+ *  allocation calls: one to handle sleepable requests, and one to handle
+ *  potentially non-sleepable requests.
+ */

 
 
 /**
 
 
 /**

-  @brief Audit event postselection
-  @param cred Subject credential
-  @param syscode Syscall number
-  @param args Syscall arguments
-  @param error Syscall errno
-  @param retval Syscall return value
-
-  This is the MAC Framework audit postselect, which is called before
-  exiting a syscall to determine if an audit event should be committed.
-  A return value of MAC_AUDIT_NO forces the audit record to be suppressed.
-  Any other return value results in the audit record being committed.
-
-  @warning The suppression behavior will probably go away in Apple's
-  future version of the audit implementation.
-
-  @return Return MAC_AUDIT_NO to force suppression of the audit record.
-  Any other value results in the audit record being committed.
-
-*/
+ *  @brief Audit event postselection
+ *  @param cred Subject credential
+ *  @param syscode Syscall number
+ *  @param args Syscall arguments
+ *  @param error Syscall errno
+ *  @param retval Syscall return value
+ *
+ *  This is the MAC Framework audit postselect, which is called before
+ *  exiting a syscall to determine if an audit event should be committed.
+ *  A return value of MAC_AUDIT_NO forces the audit record to be suppressed.
+ *  Any other return value results in the audit record being committed.
+ *
+ *  @warning The suppression behavior will probably go away in Apple's
+ *  future version of the audit implementation.
+ *
+ *  @return Return MAC_AUDIT_NO to force suppression of the audit record.
+ *  Any other value results in the audit record being committed.
+ *
+ */

 typedef int mpo_audit_check_postselect_t(
        kauth_cred_t cred,
        unsigned short syscode,
        void *args,
        int error,
        int retval
 typedef int mpo_audit_check_postselect_t(
        kauth_cred_t cred,
        unsigned short syscode,
        void *args,
        int error,
        int retval

-);
+       );

 /**
 /**

-  @brief Audit event preselection
-  @param cred Subject credential
-  @param syscode Syscall number
-  @param args Syscall arguments
-
-  This is the MAC Framework audit preselect, which is called before a
-  syscall is entered to determine if an audit event should be created.
-  If the MAC policy forces the syscall to be audited, MAC_AUDIT_YES should be
-  returned. A return value of MAC_AUDIT_NO causes the audit record to
-  be suppressed. Returning MAC_POLICY_DEFAULT indicates that the policy wants
-  to defer to the system's existing preselection mechanism.
-
-  When policies return different preferences, the Framework decides what action
-  to take based on the following policy.  If any policy returns MAC_AUDIT_YES,
-  then create an audit record, else if any policy returns MAC_AUDIT_NO, then
-  suppress the creations of an audit record, else defer to the system's
-  existing preselection mechanism.
-
-  @warning The audit implementation in Apple's current version is
-  incomplete, so the MAC policies have priority over the system's existing
-  mechanisms. This will probably change in the future version where
-  the audit implementation is more complete.
-
-  @return Return MAC_AUDIT_YES to force auditing of the syscall,
-  MAC_AUDIT_NO to force no auditing of the syscall, MAC_AUDIT_DEFAULT
-  to allow auditing mechanisms to determine if the syscall is audited.
-
-*/
+ *  @brief Audit event preselection
+ *  @param cred Subject credential
+ *  @param syscode Syscall number
+ *  @param args Syscall arguments
+ *
+ *  This is the MAC Framework audit preselect, which is called before a
+ *  syscall is entered to determine if an audit event should be created.
+ *  If the MAC policy forces the syscall to be audited, MAC_AUDIT_YES should be
+ *  returned. A return value of MAC_AUDIT_NO causes the audit record to
+ *  be suppressed. Returning MAC_POLICY_DEFAULT indicates that the policy wants
+ *  to defer to the system's existing preselection mechanism.
+ *
+ *  When policies return different preferences, the Framework decides what action
+ *  to take based on the following policy.  If any policy returns MAC_AUDIT_YES,
+ *  then create an audit record, else if any policy returns MAC_AUDIT_NO, then
+ *  suppress the creations of an audit record, else defer to the system's
+ *  existing preselection mechanism.
+ *
+ *  @warning The audit implementation in Apple's current version is
+ *  incomplete, so the MAC policies have priority over the system's existing
+ *  mechanisms. This will probably change in the future version where
+ *  the audit implementation is more complete.
+ *
+ *  @return Return MAC_AUDIT_YES to force auditing of the syscall,
+ *  MAC_AUDIT_NO to force no auditing of the syscall, MAC_AUDIT_DEFAULT
+ *  to allow auditing mechanisms to determine if the syscall is audited.
+ *
+ */

 typedef int mpo_audit_check_preselect_t(
        kauth_cred_t cred,
        unsigned short syscode,
        void *args
 typedef int mpo_audit_check_preselect_t(
        kauth_cred_t cred,
        unsigned short syscode,
        void *args

-);
+       );

 /**
 /**

-  @brief Initialize BPF descriptor label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated BPF descriptor.
-  Sleeping is permitted.
-*/
+ *  @brief Initialize BPF descriptor label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated BPF descriptor.
+ *  Sleeping is permitted.
+ */

 typedef void mpo_bpfdesc_label_init_t(
        struct label *label
 typedef void mpo_bpfdesc_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Destroy BPF descriptor label
-  @param label The label to be destroyed
-
-  Destroy a BPF descriptor label.  Since the BPF descriptor
-  is going out of scope, policy modules should free any internal
-  storage associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy BPF descriptor label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a BPF descriptor label.  Since the BPF descriptor
+ *  is going out of scope, policy modules should free any internal
+ *  storage associated with the label so that it may be destroyed.
+ */

 typedef void mpo_bpfdesc_label_destroy_t(
        struct label *label
 typedef void mpo_bpfdesc_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Associate a BPF descriptor with a label
-  @param cred User credential creating the BPF descriptor
-  @param bpf_d The BPF descriptor
-  @param bpflabel The new label
-
-  Set the label on a newly created BPF descriptor from the passed
-  subject credential. This call will be made when a BPF device node
-  is opened by a process with the passed subject credential.
-*/
+ *  @brief Associate a BPF descriptor with a label
+ *  @param cred User credential creating the BPF descriptor
+ *  @param bpf_d The BPF descriptor
+ *  @param bpflabel The new label
+ *
+ *  Set the label on a newly created BPF descriptor from the passed
+ *  subject credential. This call will be made when a BPF device node
+ *  is opened by a process with the passed subject credential.
+ */

 typedef void mpo_bpfdesc_label_associate_t(
        kauth_cred_t cred,
        struct bpf_d *bpf_d,
        struct label *bpflabel
 typedef void mpo_bpfdesc_label_associate_t(
        kauth_cred_t cred,
        struct bpf_d *bpf_d,
        struct label *bpflabel

-);
+       );

 /**
 /**

-  @brief Check whether BPF can read from a network interface
-  @param bpf_d Subject; the BPF descriptor
-  @param bpflabel Policy label for bpf_d 
-  @param ifp Object; the network interface 
-  @param ifnetlabel Policy label for ifp
-
-  Determine whether the MAC framework should permit datagrams from
-  the passed network interface to be delivered to the buffers of
-  the passed BPF descriptor.  Return (0) for success, or an errno
-  value for failure.  Suggested failure: EACCES for label mismatches,
-  EPERM for lack of privilege.
-*/
+ *  @brief Check whether BPF can read from a network interface
+ *  @param bpf_d Subject; the BPF descriptor
+ *  @param bpflabel Policy label for bpf_d
+ *  @param ifp Object; the network interface
+ *  @param ifnetlabel Policy label for ifp
+ *
+ *  Determine whether the MAC framework should permit datagrams from
+ *  the passed network interface to be delivered to the buffers of
+ *  the passed BPF descriptor.  Return (0) for success, or an errno
+ *  value for failure.  Suggested failure: EACCES for label mismatches,
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_bpfdesc_check_receive_t(
        struct bpf_d *bpf_d,
        struct label *bpflabel,
        struct ifnet *ifp,
        struct label *ifnetlabel
 typedef int mpo_bpfdesc_check_receive_t(
        struct bpf_d *bpf_d,
        struct label *bpflabel,
        struct ifnet *ifp,
        struct label *ifnetlabel

-);
-/**
-  @brief Indicate desire to change the process label at exec time
-  @param old Existing subject credential
-  @param vp File being executed
-  @param offset Offset of binary within file being executed
-  @param scriptvp Script being executed by interpreter, if any.
-  @param vnodelabel Label corresponding to vp
-  @param scriptvnodelabel Script vnode label
-  @param execlabel Userspace provided execution label
-  @param proc Object process
-  @param macpolicyattr MAC policy-specific spawn attribute data
-  @param macpolicyattrlen Length of policy-specific spawn attribute data
-  @see mac_execve
-  @see mpo_cred_label_update_execve_t
-  @see mpo_vnode_check_exec_t
-
-  Indicate whether this policy intends to update the label of a newly
-  created credential from the existing subject credential (old).  This
-  call occurs when a process executes the passed vnode.  If a policy
-  returns success from this entry point, the mpo_cred_label_update_execve
-  entry point will later be called with the same parameters.  Access
-  has already been checked via the mpo_vnode_check_exec entry point,
-  this entry point is necessary to preserve kernel locking constraints
-  during program execution.
-
-  The supplied vnode and vnodelabel correspond with the file actually
-  being executed; in the case that the file is interpreted (for
-  example, a script), the label of the original exec-time vnode has
-  been preserved in scriptvnodelabel.
-
-  The final label, execlabel, corresponds to a label supplied by a
-  user space application through the use of the mac_execve system call.
-
-  The vnode lock is held during this operation.  No changes should be
-  made to the old credential structure.
-
-  @warning Even if a policy returns 0, it should behave correctly in
-  the presence of an invocation of mpo_cred_label_update_execve, as that
-  call may happen as a result of another policy requesting a transition.
-
-  @return Non-zero if a transition is required, 0 otherwise.
-*/
+       );
+/**
+ *  @brief Indicate desire to change the process label at exec time
+ *  @param old Existing subject credential
+ *  @param vp File being executed
+ *  @param offset Offset of binary within file being executed
+ *  @param scriptvp Script being executed by interpreter, if any.
+ *  @param vnodelabel Label corresponding to vp
+ *  @param scriptvnodelabel Script vnode label
+ *  @param execlabel Userspace provided execution label
+ *  @param p Object process
+ *  @param macpolicyattr MAC policy-specific spawn attribute data
+ *  @param macpolicyattrlen Length of policy-specific spawn attribute data
+ *  @see mac_execve
+ *  @see mpo_cred_label_update_execve_t
+ *  @see mpo_vnode_check_exec_t
+ *
+ *  Indicate whether this policy intends to update the label of a newly
+ *  created credential from the existing subject credential (old).  This
+ *  call occurs when a process executes the passed vnode.  If a policy
+ *  returns success from this entry point, the mpo_cred_label_update_execve
+ *  entry point will later be called with the same parameters.  Access
+ *  has already been checked via the mpo_vnode_check_exec entry point,
+ *  this entry point is necessary to preserve kernel locking constraints
+ *  during program execution.
+ *
+ *  The supplied vnode and vnodelabel correspond with the file actually
+ *  being executed; in the case that the file is interpreted (for
+ *  example, a script), the label of the original exec-time vnode has
+ *  been preserved in scriptvnodelabel.
+ *
+ *  The final label, execlabel, corresponds to a label supplied by a
+ *  user space application through the use of the mac_execve system call.
+ *
+ *  The vnode lock is held during this operation.  No changes should be
+ *  made to the old credential structure.
+ *
+ *  @warning Even if a policy returns 0, it should behave correctly in
+ *  the presence of an invocation of mpo_cred_label_update_execve, as that
+ *  call may happen as a result of another policy requesting a transition.
+ *
+ *  @return Non-zero if a transition is required, 0 otherwise.
+ */

 typedef int mpo_cred_check_label_update_execve_t(
        kauth_cred_t old,
        struct vnode *vp,
 typedef int mpo_cred_check_label_update_execve_t(
        kauth_cred_t old,
        struct vnode *vp,


@@ -347,230 +348,230 @@ typedef int mpo_cred_check_label_update_execve_t(
        struct proc *p,
        void *macpolicyattr,
        size_t macpolicyattrlen
        struct proc *p,
        void *macpolicyattr,
        size_t macpolicyattrlen

-);
+       );

 /**
 /**

-  @brief Access control check for relabelling processes
-  @param cred Subject credential
-  @param newlabel New label to apply to the user credential
-  @see mpo_cred_label_update_t
-  @see mac_set_proc
-
-  Determine whether the subject identified by the credential can relabel
-  itself to the supplied new label (newlabel).  This access control check
-  is called when the mac_set_proc system call is invoked.  A user space
-  application will supply a new value, the value will be internalized
-  and provided in newlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for relabelling processes
+ *  @param cred Subject credential
+ *  @param newlabel New label to apply to the user credential
+ *  @see mpo_cred_label_update_t
+ *  @see mac_set_proc
+ *
+ *  Determine whether the subject identified by the credential can relabel
+ *  itself to the supplied new label (newlabel).  This access control check
+ *  is called when the mac_set_proc system call is invoked.  A user space
+ *  application will supply a new value, the value will be internalized
+ *  and provided in newlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_cred_check_label_update_t(
        kauth_cred_t cred,
        struct label *newlabel
 typedef int mpo_cred_check_label_update_t(
        kauth_cred_t cred,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Access control check for visibility of other subjects
-  @param u1 Subject credential
-  @param u2 Object credential
-
-  Determine whether the subject identified by the credential u1 can
-  "see" other subjects with the passed subject credential u2. This call
-  may be made in a number of situations, including inter-process status
-  sysctls used by ps, and in procfs lookups.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to hide visibility.
-*/
+ *  @brief Access control check for visibility of other subjects
+ *  @param u1 Subject credential
+ *  @param u2 Object credential
+ *
+ *  Determine whether the subject identified by the credential u1 can
+ *  "see" other subjects with the passed subject credential u2. This call
+ *  may be made in a number of situations, including inter-process status
+ *  sysctls used by ps, and in procfs lookups.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to hide visibility.
+ */

 typedef int mpo_cred_check_visible_t(
        kauth_cred_t u1,
        kauth_cred_t u2
 typedef int mpo_cred_check_visible_t(
        kauth_cred_t u1,
        kauth_cred_t u2

-);
+       );

 /**
 /**

-  @brief Associate a credential with a new process at fork
-  @param cred credential to inherited by new process
-  @param proc the new process
-
-  Allow a process to associate the credential with a new
-  process for reference countng purposes.
-  NOTE: the credential can be dis-associated in ways other
-        than exit - so this strategy is flawed - should just
-       catch label destroy callback.
-*/
+ *  @brief Associate a credential with a new process at fork
+ *  @param cred credential to inherited by new process
+ *  @param proc the new process
+ *
+ *  Allow a process to associate the credential with a new
+ *  process for reference countng purposes.
+ *  NOTE: the credential can be dis-associated in ways other
+ *       than exit - so this strategy is flawed - should just
+ *       catch label destroy callback.
+ */

 typedef void mpo_cred_label_associate_fork_t(
        kauth_cred_t cred,
        proc_t proc
 typedef void mpo_cred_label_associate_fork_t(
        kauth_cred_t cred,
        proc_t proc

-);
+       );

 /**
 /**

-  @brief Create the first process
-  @param cred Subject credential to be labeled
-
-  Create the subject credential of process 0, the parent of all BSD
-  kernel processes.  Policies should update the label in the
-  previously initialized credential structure.
-*/
+ *  @brief Create the first process
+ *  @param cred Subject credential to be labeled
+ *
+ *  Create the subject credential of process 0, the parent of all BSD
+ *  kernel processes.  Policies should update the label in the
+ *  previously initialized credential structure.
+ */

 typedef void mpo_cred_label_associate_kernel_t(
        kauth_cred_t cred
 typedef void mpo_cred_label_associate_kernel_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Create a credential label
-  @param parent_cred Parent credential
-  @param child_cred Child credential
-
-  Set the label of a newly created credential, most likely using the
-  information in the supplied parent credential.
-
-  @warning This call is made when crcopy or crdup is invoked on a
-  newly created struct ucred, and should not be confused with a
-  process fork or creation event.
-*/
+ *  @brief Create a credential label
+ *  @param parent_cred Parent credential
+ *  @param child_cred Child credential
+ *
+ *  Set the label of a newly created credential, most likely using the
+ *  information in the supplied parent credential.
+ *
+ *  @warning This call is made when crcopy or crdup is invoked on a
+ *  newly created struct ucred, and should not be confused with a
+ *  process fork or creation event.
+ */

 typedef void mpo_cred_label_associate_t(
        kauth_cred_t parent_cred,
        kauth_cred_t child_cred
 typedef void mpo_cred_label_associate_t(
        kauth_cred_t parent_cred,
        kauth_cred_t child_cred

-);
+       );

 /**
 /**

-  @brief Create the first process
-  @param cred Subject credential to be labeled
-
-  Create the subject credential of process 1, the parent of all BSD
-  user processes.  Policies should update the label in the previously
-  initialized credential structure.  This is the 'init' process.
-*/
+ *  @brief Create the first process
+ *  @param cred Subject credential to be labeled
+ *
+ *  Create the subject credential of process 1, the parent of all BSD
+ *  user processes.  Policies should update the label in the previously
+ *  initialized credential structure.  This is the 'init' process.
+ */

 typedef void mpo_cred_label_associate_user_t(
        kauth_cred_t cred
 typedef void mpo_cred_label_associate_user_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Destroy credential label
-  @param label The label to be destroyed
-
-  Destroy a user credential label.  Since the user credential
-  is going out of scope, policy modules should free any internal
-  storage associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy credential label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a user credential label.  Since the user credential
+ *  is going out of scope, policy modules should free any internal
+ *  storage associated with the label so that it may be destroyed.
+ */

 typedef void mpo_cred_label_destroy_t(
        struct label *label
 typedef void mpo_cred_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a user credential label for auditing
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a user credential for
-  inclusion in an audit record.  An externalized label consists of a text
-  representation of the label contents that will be added to the audit record
-  as part of a text token.  Policy-agnostic user space tools will display
-  this externalized version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a user credential label for auditing
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on a user credential for
+ *  inclusion in an audit record.  An externalized label consists of a text
+ *  representation of the label contents that will be added to the audit record
+ *  as part of a text token.  Policy-agnostic user space tools will display
+ *  this externalized version.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_cred_label_externalize_audit_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_cred_label_externalize_audit_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Externalize a user credential label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a user
-  credential.  An externalized label consists of a text representation
-  of the label contents that can be used with user applications.
-  Policy-agnostic user space tools will display this externalized
-  version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a user credential label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on a user
+ *  credential.  An externalized label consists of a text representation
+ *  of the label contents that can be used with user applications.
+ *  Policy-agnostic user space tools will display this externalized
+ *  version.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_cred_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_cred_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize user credential label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated user credential.
-  Sleeping is permitted.
-*/
+ *  @brief Initialize user credential label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated user credential.
+ *  Sleeping is permitted.
+ */

 typedef void mpo_cred_label_init_t(
        struct label *label
 typedef void mpo_cred_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Internalize a user credential label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce a user credential label from an external representation.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-
-*/
+ *  @brief Internalize a user credential label
+ *  @param label Label to be internalized
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce a user credential label from an external representation.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will forward text version to the kernel for
+ *  processing by individual policy modules.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, Otherwise, return non-zero if an error occurs
+ *  while internalizing the label data.
+ *
+ */

 typedef int mpo_cred_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_cred_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
-/**
-  @brief Update credential at exec time
-  @param old_cred Existing subject credential
-  @param new_cred New subject credential to be labeled
-  @param p Object process.
-  @param vp File being executed
-  @param offset Offset of binary within file being executed
-  @param scriptvp Script being executed by interpreter, if any.
-  @param vnodelabel Label corresponding to vp
-  @param scriptvnodelabel Script vnode label
-  @param execlabel Userspace provided execution label
-  @param csflags Code signing flags to be set after exec
-  @param macpolicyattr MAC policy-specific spawn attribute data.
-  @param macpolicyattrlen Length of policy-specific spawn attribute data.
-  @see mac_execve
-  @see mpo_cred_check_label_update_execve_t
-  @see mpo_vnode_check_exec_t
-
-  Update the label of a newly created credential (new) from the
-  existing subject credential (old).  This call occurs when a process
-  executes the passed vnode and one of the loaded policy modules has
-  returned success from the mpo_cred_check_label_update_execve entry point.
-  Access has already been checked via the mpo_vnode_check_exec entry
-  point, this entry point is only used to update any policy state.
-
-  The supplied vnode and vnodelabel correspond with the file actually
-  being executed; in the case that the file is interpreted (for
-  example, a script), the label of the original exec-time vnode has
-  been preserved in scriptvnodelabel.
-
-  The final label, execlabel, corresponds to a label supplied by a
-  user space application through the use of the mac_execve system call.
-
-  If non-NULL, the value pointed to by disjointp will be set to 0 to
-  indicate that the old and new credentials are not disjoint, or 1 to
-  indicate that they are.
-
-  The vnode lock is held during this operation.  No changes should be
-  made to the old credential structure.
-  @return 0 on success, Otherwise, return non-zero if update results in
-  termination of child.
-*/
+       );
+/**
+ *  @brief Update credential at exec time
+ *  @param old_cred Existing subject credential
+ *  @param new_cred New subject credential to be labeled
+ *  @param p Object process.
+ *  @param vp File being executed
+ *  @param offset Offset of binary within file being executed
+ *  @param scriptvp Script being executed by interpreter, if any.
+ *  @param vnodelabel Label corresponding to vp
+ *  @param scriptvnodelabel Script vnode label
+ *  @param execlabel Userspace provided execution label
+ *  @param csflags Code signing flags to be set after exec
+ *  @param macpolicyattr MAC policy-specific spawn attribute data.
+ *  @param macpolicyattrlen Length of policy-specific spawn attribute data.
+ *  @see mac_execve
+ *  @see mpo_cred_check_label_update_execve_t
+ *  @see mpo_vnode_check_exec_t
+ *
+ *  Update the label of a newly created credential (new) from the
+ *  existing subject credential (old).  This call occurs when a process
+ *  executes the passed vnode and one of the loaded policy modules has
+ *  returned success from the mpo_cred_check_label_update_execve entry point.
+ *  Access has already been checked via the mpo_vnode_check_exec entry
+ *  point, this entry point is only used to update any policy state.
+ *
+ *  The supplied vnode and vnodelabel correspond with the file actually
+ *  being executed; in the case that the file is interpreted (for
+ *  example, a script), the label of the original exec-time vnode has
+ *  been preserved in scriptvnodelabel.
+ *
+ *  The final label, execlabel, corresponds to a label supplied by a
+ *  user space application through the use of the mac_execve system call.
+ *
+ *  If non-NULL, the value pointed to by disjointp will be set to 0 to
+ *  indicate that the old and new credentials are not disjoint, or 1 to
+ *  indicate that they are.
+ *
+ *  The vnode lock is held during this operation.  No changes should be
+ *  made to the old credential structure.
+ *  @return 0 on success, Otherwise, return non-zero if update results in
+ *  termination of child.
+ */

 typedef int mpo_cred_label_update_execve_t(
        kauth_cred_t old_cred,
        kauth_cred_t new_cred,
 typedef int mpo_cred_label_update_execve_t(
        kauth_cred_t old_cred,
        kauth_cred_t new_cred,


@@ -585,427 +586,542 @@ typedef int mpo_cred_label_update_execve_t(
        void *macpolicyattr,
        size_t macpolicyattrlen,
        int *disjointp
        void *macpolicyattr,
        size_t macpolicyattrlen,
        int *disjointp

-);
+       );

 /**
 /**

-  @brief Update a credential label
-  @param cred The existing credential
-  @param newlabel A new label to apply to the credential
-  @see mpo_cred_check_label_update_t
-  @see mac_set_proc
-
-  Update the label on a user credential, using the supplied new label.
-  This is called as a result of a process relabel operation.  Access
-  control was already confirmed by mpo_cred_check_label_update.
-*/
+ *  @brief Update a credential label
+ *  @param cred The existing credential
+ *  @param newlabel A new label to apply to the credential
+ *  @see mpo_cred_check_label_update_t
+ *  @see mac_set_proc
+ *
+ *  Update the label on a user credential, using the supplied new label.
+ *  This is called as a result of a process relabel operation.  Access
+ *  control was already confirmed by mpo_cred_check_label_update.
+ */

 typedef void mpo_cred_label_update_t(
        kauth_cred_t cred,
        struct label *newlabel
 typedef void mpo_cred_label_update_t(
        kauth_cred_t cred,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Create a new devfs device
-  @param dev Major and minor numbers of special file
-  @param de "inode" of new device file
-  @param label Destination label
-  @param fullpath Path relative to mount (e.g. /dev) of new device file
-
-  This entry point labels a new devfs device. The label will likely be based
-  on the path to the device, or the major and minor numbers.
-  The policy should store an appropriate label into 'label'.
-*/
+ *  @brief Create a new devfs device
+ *  @param dev Major and minor numbers of special file
+ *  @param de "inode" of new device file
+ *  @param label Destination label
+ *  @param fullpath Path relative to mount (e.g. /dev) of new device file
+ *
+ *  This entry point labels a new devfs device. The label will likely be based
+ *  on the path to the device, or the major and minor numbers.
+ *  The policy should store an appropriate label into 'label'.
+ */

 typedef void mpo_devfs_label_associate_device_t(
        dev_t dev,
        struct devnode *de,
        struct label *label,
        const char *fullpath
 typedef void mpo_devfs_label_associate_device_t(
        dev_t dev,
        struct devnode *de,
        struct label *label,
        const char *fullpath

-);
-/**
-  @brief Create a new devfs directory
-  @param dirname Name of new directory
-  @param dirnamelen Length of 'dirname'
-  @param de "inode" of new directory
-  @param label Destination label
-  @param fullpath Path relative to mount (e.g. /dev) of new directory
-
-  This entry point labels a new devfs directory. The label will likely be
-  based on the path of the new directory. The policy should store an appropriate
-  label into 'label'. The devfs root directory is labelled in this way.
-*/
+       );
+/**
+ *  @brief Create a new devfs directory
+ *  @param dirname Name of new directory
+ *  @param dirnamelen Length of 'dirname'
+ *  @param de "inode" of new directory
+ *  @param label Destination label
+ *  @param fullpath Path relative to mount (e.g. /dev) of new directory
+ *
+ *  This entry point labels a new devfs directory. The label will likely be
+ *  based on the path of the new directory. The policy should store an appropriate
+ *  label into 'label'. The devfs root directory is labelled in this way.
+ */

 typedef void mpo_devfs_label_associate_directory_t(
        const char *dirname,
        int dirnamelen,
        struct devnode *de,
        struct label *label,
        const char *fullpath
 typedef void mpo_devfs_label_associate_directory_t(
        const char *dirname,
        int dirnamelen,
        struct devnode *de,
        struct label *label,
        const char *fullpath

-);
+       );

 /**
 /**

-  @brief Copy a devfs label
-  @param src Source devfs label
-  @param dest Destination devfs label
-
-  Copy the label information from src to dest.  The devfs file system
-  often duplicates (splits) existing device nodes rather than creating
-  new ones.
-*/
+ *  @brief Copy a devfs label
+ *  @param src Source devfs label
+ *  @param dest Destination devfs label
+ *
+ *  Copy the label information from src to dest.  The devfs file system
+ *  often duplicates (splits) existing device nodes rather than creating
+ *  new ones.
+ */

 typedef void mpo_devfs_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_devfs_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

-  @brief Destroy devfs label
-  @param label The label to be destroyed
-
-  Destroy a devfs entry label.  Since the object is going out
-  of scope, policy modules should free any internal storage associated
-  with the label so that it may be destroyed.
-*/
+ *  @brief Destroy devfs label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a devfs entry label.  Since the object is going out
+ *  of scope, policy modules should free any internal storage associated
+ *  with the label so that it may be destroyed.
+ */

 typedef void mpo_devfs_label_destroy_t(
        struct label *label
 typedef void mpo_devfs_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize devfs label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated devfs entry.  Sleeping
-  is permitted.
-*/
+ *  @brief Initialize devfs label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated devfs entry.  Sleeping
+ *  is permitted.
+ */

 typedef void mpo_devfs_label_init_t(
        struct label *label
 typedef void mpo_devfs_label_init_t(
        struct label *label

-);
-/**
-  @brief Update a devfs label after relabelling its vnode
-  @param mp Devfs mount point
-  @param de Affected devfs directory entry
-  @param delabel Label of devfs directory entry
-  @param vp Vnode associated with de
-  @param vnodelabel New label of vnode
-
-  Update a devfs label when its vnode is manually relabelled,
-  for example with setfmac(1). Typically, this will simply copy
-  the vnode label into the devfs label.
-*/
+       );
+/**
+ *  @brief Update a devfs label after relabelling its vnode
+ *  @param mp Devfs mount point
+ *  @param de Affected devfs directory entry
+ *  @param delabel Label of devfs directory entry
+ *  @param vp Vnode associated with de
+ *  @param vnodelabel New label of vnode
+ *
+ *  Update a devfs label when its vnode is manually relabelled,
+ *  for example with setfmac(1). Typically, this will simply copy
+ *  the vnode label into the devfs label.
+ */

 typedef void mpo_devfs_label_update_t(
        struct mount *mp,
        struct devnode *de,
        struct label *delabel,
        struct vnode *vp,
        struct label *vnodelabel
 typedef void mpo_devfs_label_update_t(
        struct mount *mp,
        struct devnode *de,
        struct label *delabel,
        struct vnode *vp,
        struct label *vnodelabel

-);
+       );

 /**
 /**

-  @brief Access control for changing the offset of a file descriptor
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-
-  Determine whether the subject identified by the credential can
-  change the offset of the file represented by fg.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for sending an exception to an exception action
+ *  @param crashlabel The crashing process's label
+ *  @param action Exception action
+ *  @param exclabel Policy label for exception action
+ *
+ *  Determine whether the the exception message caused by the victim
+ *  process can be sent to the exception action. The policy may compare
+ *  credentials in the crashlabel, which are derived from the process at
+ *  the time the exception occurs, with the credentials in the exclabel,
+ *  which was set at the time the exception port was set, to determine
+ *  its decision. Note that any process from which the policy derived
+ *  any credentials may not exist anymore at the time of this policy
+ *  operation. Sleeping is permitted.
+ *
+ *  @return Return 0 if the message can be sent, otherwise an
+ *  appropriate value for errno should be returned.
+ */
+typedef int mpo_exc_action_check_exception_send_t(
+       struct label *crashlabel,
+       struct exception_action *action,
+       struct label *exclabel
+       );
+/**
+ *  @brief Associate an exception action label
+ *  @param action Exception action to label
+ *  @param exclabel Policy label to be filled in for exception action
+ *
+ *  Set the label on an exception action.
+ */
+typedef void mpo_exc_action_label_associate_t(
+       struct exception_action *action,
+       struct label *exclabel
+       );
+/**
+ *  @brief Destroy exception action label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy the label on an exception action. Since the object is going
+ *  out of scope, policy modules should free any internal storage
+ *  associated with the label so that it may be destroyed. Sleeping is
+ *  permitted.
+ */
+typedef void mpo_exc_action_label_destroy_t(
+       struct label *label
+       );
+/**
+ *  @brief Populate an exception action label with process credentials
+ *  @param label The label to be populated
+ *  @param proc Process to derive credentials from
+ *
+ *  Populate a label with credentials derived from a process. At
+ *  exception delivery time, the policy should compare credentials of the
+ *  process that set an exception ports with the credentials of the
+ *  process or corpse that experienced the exception. Note that the
+ *  process that set the port may not exist at that time anymore, so
+ *  labels should carry copies of live credentials if necessary.
+ */
+typedef void mpo_exc_action_label_populate_t(
+       struct label *label,
+       struct proc *proc
+       );
+/**
+ *  @brief Initialize exception action label
+ *  @param label New label to initialize
+ *
+ *  Initialize a label for an exception action. Usually performs
+ *  policy specific allocations. Sleeping is permitted.
+ */
+typedef int mpo_exc_action_label_init_t(
+       struct label *label
+       );
+/**
+ *  @brief Update the label on an exception action
+ *  @param action Exception action that the label belongs to (may be
+ *               NULL if none)
+ *  @param label Policy label to update
+ *  @param newlabel New label for update
+ *
+ *  Update the credentials of an exception action from the given
+ *  label. The policy should copy over any credentials (process and
+ *  otherwise) from the new label into the label to update. Must not
+ *  sleep, must be quick and can be called with locks held.
+ */
+typedef int mpo_exc_action_label_update_t(
+       struct exception_action *action,
+       struct label *label,
+       struct label *newlabel
+       );
+/**
+ *  @brief Access control for changing the offset of a file descriptor
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *
+ *  Determine whether the subject identified by the credential can
+ *  change the offset of the file represented by fg.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_change_offset_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label
 typedef int mpo_file_check_change_offset_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control for creating a file descriptor
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can
-  allocate a new file descriptor.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for creating a file descriptor
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can
+ *  allocate a new file descriptor.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_create_t(
        kauth_cred_t cred
 typedef int mpo_file_check_create_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control for duplicating a file descriptor
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-  @param newfd New file descriptor number
-
-  Determine whether the subject identified by the credential can
-  duplicate the fileglob structure represented by fg and as file
-  descriptor number newfd.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for duplicating a file descriptor
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *  @param newfd New file descriptor number
+ *
+ *  Determine whether the subject identified by the credential can
+ *  duplicate the fileglob structure represented by fg and as file
+ *  descriptor number newfd.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_dup_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int newfd
 typedef int mpo_file_check_dup_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int newfd

-);
-/**
-  @brief Access control check for fcntl
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-  @param cmd Control operation to be performed; see fcntl(2)
-  @param arg fcnt arguments; see fcntl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the file control operation indicated by cmd.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for fcntl
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *  @param cmd Control operation to be performed; see fcntl(2)
+ *  @param arg fcnt arguments; see fcntl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the file control operation indicated by cmd.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_file_check_fcntl_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int cmd,
        user_long_t arg
 typedef int mpo_file_check_fcntl_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int cmd,
        user_long_t arg

-);
+       );

 /**
 /**

-  @brief Access control check for mac_get_fd
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param elements Element buffer
-  @param len Length of buffer
-
-  Determine whether the subject identified by the credential should be allowed
-  to get an externalized version of the label on the object indicated by fd.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for mac_get_fd
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param elements Element buffer
+ *  @param len Length of buffer
+ *
+ *  Determine whether the subject identified by the credential should be allowed
+ *  to get an externalized version of the label on the object indicated by fd.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_file_check_get_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        char *elements,
        int len
 typedef int mpo_file_check_get_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        char *elements,
        int len

-);
+       );

 /**
 /**

-  @brief Access control for getting the offset of a file descriptor
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-
-  Determine whether the subject identified by the credential can
-  get the offset of the file represented by fg.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for getting the offset of a file descriptor
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *
+ *  Determine whether the subject identified by the credential can
+ *  get the offset of the file represented by fg.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_get_offset_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label
 typedef int mpo_file_check_get_offset_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control for inheriting a file descriptor
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-
-  Determine whether the subject identified by the credential can
-  inherit the fileglob structure represented by fg.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for inheriting a file descriptor
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *
+ *  Determine whether the subject identified by the credential can
+ *  inherit the fileglob structure represented by fg.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_inherit_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label
 typedef int mpo_file_check_inherit_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for file ioctl
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-  @param cmd The ioctl command; see ioctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the ioctl operation indicated by cmd.
-
-  @warning Since ioctl data is opaque from the standpoint of the MAC
-  framework, policies must exercise extreme care when implementing
-  access control checks.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for file ioctl
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *  @param cmd The ioctl command; see ioctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the ioctl operation indicated by cmd.
+ *
+ *  @warning Since ioctl data is opaque from the standpoint of the MAC
+ *  framework, policies must exercise extreme care when implementing
+ *  access control checks.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_file_check_ioctl_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        unsigned int cmd
 typedef int mpo_file_check_ioctl_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        unsigned int cmd

-);
-/**
-  @brief Access control check for file locking
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-  @param op The lock operation (F_GETLK, F_SETLK, F_UNLK)
-  @param fl The flock structure
-
-  Determine whether the subject identified by the credential can perform
-  the lock operation indicated by op and fl on the file represented by fg.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+       );
+/**
+ *  @brief Access control check for file locking
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *  @param op The lock operation (F_GETLK, F_SETLK, F_UNLK)
+ *  @param fl The flock structure
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the lock operation indicated by op and fl on the file represented by fg.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_file_check_lock_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int op,
        struct flock *fl
 typedef int mpo_file_check_lock_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int op,
        struct flock *fl

-);
-/**
-  @brief Access control check for mapping a file
-  @param cred Subject credential
-  @param fg fileglob representing file to map
-  @param label Policy label associated with vp
-  @param prot mmap protections; see mmap(2)
-  @param flags Type of mapped object; see mmap(2)
-  @param maxprot Maximum rights
-
-  Determine whether the subject identified by the credential should be
-  allowed to map the file represented by fg with the protections specified
-  in prot.  The maxprot field holds the maximum permissions on the new
-  mapping, a combination of VM_PROT_READ, VM_PROT_WRITE, and VM_PROT_EXECUTE.
-  To avoid overriding prior access control checks, a policy should only
-  remove flags from maxprot.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Check with library validation if a macho slice is allowed to be combined into a proc.
+ *  @param p Subject process
+ *  @param fg Fileglob structure
+ *  @param slice_offset offset of the code slice
+ *  @param error_message error message returned to user-space in case of error (userspace pointer)
+ *  @param error_message_size error message size
+ *
+ *  Its a little odd that the MAC/kext writes into userspace since this
+ *  implies there is only one MAC module that implements this, however
+ *  the alterantive is to allocate memory in xnu, on the hope that
+ *  the MAC module will use it, or allocated in the MAC module and then
+ *  free it in xnu. Either of these are very appeling, so lets go with
+ *  the slightly more hacky way.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_file_check_library_validation_t(
+       struct proc *p,
+       struct fileglob *fg,
+       off_t slice_offset,
+       user_long_t error_message,
+       size_t error_message_size
+       );
+/**
+ *  @brief Access control check for mapping a file
+ *  @param cred Subject credential
+ *  @param fg fileglob representing file to map
+ *  @param label Policy label associated with vp
+ *  @param prot mmap protections; see mmap(2)
+ *  @param flags Type of mapped object; see mmap(2)
+ *  @param maxprot Maximum rights
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to map the file represented by fg with the protections specified
+ *  in prot.  The maxprot field holds the maximum permissions on the new
+ *  mapping, a combination of VM_PROT_READ, VM_PROT_WRITE, and VM_PROT_EXECUTE.
+ *  To avoid overriding prior access control checks, a policy should only
+ *  remove flags from maxprot.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_file_check_mmap_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int prot,
        int flags,
 typedef int mpo_file_check_mmap_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int prot,
        int flags,

+       uint64_t file_pos,

        int *maxprot
        int *maxprot

-);
+       );

 /**
 /**

-  @brief Downgrade the mmap protections
-  @param cred Subject credential
-  @param fg file to map
-  @param label Policy label associated with vp
-  @param prot mmap protections to be downgraded
-
-  Downgrade the mmap protections based on the subject and object labels.
-*/
+ *  @brief Downgrade the mmap protections
+ *  @param cred Subject credential
+ *  @param fg file to map
+ *  @param label Policy label associated with vp
+ *  @param prot mmap protections to be downgraded
+ *
+ *  Downgrade the mmap protections based on the subject and object labels.
+ */

 typedef void mpo_file_check_mmap_downgrade_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int *prot
 typedef void mpo_file_check_mmap_downgrade_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label,
        int *prot

-);
+       );

 /**
 /**

-  @brief Access control for receiving a file descriptor
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-
-  Determine whether the subject identified by the credential can
-  receive the fileglob structure represented by fg.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control for receiving a file descriptor
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive the fileglob structure represented by fg.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_file_check_receive_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label
 typedef int mpo_file_check_receive_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for mac_set_fd
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param elements Elements buffer
-  @param len Length of elements buffer
-
-  Determine whether the subject identified by the credential can
-  perform the mac_set_fd operation.  The mac_set_fd operation is used
-  to associate a MAC label with a file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for mac_set_fd
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param elements Elements buffer
+ *  @param len Length of elements buffer
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform the mac_set_fd operation.  The mac_set_fd operation is used
+ *  to associate a MAC label with a file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_file_check_set_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        char *elements,
        int len
 typedef int mpo_file_check_set_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        char *elements,
        int len

-);
+       );

 /**
 /**

-  @brief Create file label
-  @param cred Subject credential
-  @param fg Fileglob structure
-  @param label Policy label for fg
-*/
+ *  @brief Create file label
+ *  @param cred Subject credential
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ */

 typedef void mpo_file_label_associate_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label
 typedef void mpo_file_label_associate_t(
        kauth_cred_t cred,
        struct fileglob *fg,
        struct label *label

-);
+       );

 /**
 /**

- @brief Destroy file label
- @param label The label to be destroyed
-
- Destroy the label on a file descriptor.  In this entry point, a
- policy module should free any internal storage associated with
- label so that it may be destroyed.
-*/
+ *  @brief Destroy file label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy the label on a file descriptor.  In this entry point, a
+ *  policy module should free any internal storage associated with
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_file_label_destroy_t(
        struct label *label
 typedef void mpo_file_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize file label
-  @param label New label to initialize
-*/
+ *  @brief Initialize file label
+ *  @param label New label to initialize
+ */

 typedef void mpo_file_label_init_t(
        struct label *label
 typedef void mpo_file_label_init_t(
        struct label *label

-);
-/**
-  @brief Access control check for relabeling network interfaces
-  @param cred Subject credential
-  @param ifp network interface being relabeled
-  @param ifnetlabel Current label of the network interfaces
-  @param newlabel New label to apply to the network interfaces
-  @see mpo_ifnet_label_update_t
-
-  Determine whether the subject identified by the credential can
-  relabel the network interface represented by ifp to the supplied
-  new label (newlabel).
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for relabeling network interfaces
+ *  @param cred Subject credential
+ *  @param ifp network interface being relabeled
+ *  @param ifnetlabel Current label of the network interfaces
+ *  @param newlabel New label to apply to the network interfaces
+ *  @see mpo_ifnet_label_update_t
+ *
+ *  Determine whether the subject identified by the credential can
+ *  relabel the network interface represented by ifp to the supplied
+ *  new label (newlabel).
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_ifnet_check_label_update_t(
        kauth_cred_t cred,
        struct ifnet *ifp,
        struct label *ifnetlabel,
        struct label *newlabel
 typedef int mpo_ifnet_check_label_update_t(
        kauth_cred_t cred,
        struct ifnet *ifp,
        struct label *ifnetlabel,
        struct label *newlabel

-);
-/**
-  @brief Access control check for relabeling network interfaces
-  @param ifp Network interface mbuf will be transmitted through
-  @param ifnetlabel Label of the network interfaces
-  @param m The mbuf to be transmitted
-  @param mbuflabel Label of the mbuf to be transmitted
-  @param family Address Family, AF_*
-  @param type Type of socket, SOCK_{STREAM,DGRAM,RAW}
-
-  Determine whether the mbuf with label mbuflabel may be transmitted
-  through the network interface represented by ifp that has the
-  label ifnetlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for relabeling network interfaces
+ *  @param ifp Network interface mbuf will be transmitted through
+ *  @param ifnetlabel Label of the network interfaces
+ *  @param m The mbuf to be transmitted
+ *  @param mbuflabel Label of the mbuf to be transmitted
+ *  @param family Address Family, AF_*
+ *  @param type Type of socket, SOCK_{STREAM,DGRAM,RAW}
+ *
+ *  Determine whether the mbuf with label mbuflabel may be transmitted
+ *  through the network interface represented by ifp that has the
+ *  label ifnetlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_ifnet_check_transmit_t(
        struct ifnet *ifp,
        struct label *ifnetlabel,
 typedef int mpo_ifnet_check_transmit_t(
        struct ifnet *ifp,
        struct label *ifnetlabel,


@@ -1013,138 +1129,138 @@ typedef int mpo_ifnet_check_transmit_t(
        struct label *mbuflabel,
        int family,
        int type
        struct label *mbuflabel,
        int family,
        int type

-);
+       );

 /**
 /**

-  @brief Create a network interface label
-  @param ifp Network interface labeled
-  @param ifnetlabel Label for the network interface
-
-  Set the label of a newly created network interface, most likely
-  using the information in the supplied network interface struct.
-*/
+ *  @brief Create a network interface label
+ *  @param ifp Network interface labeled
+ *  @param ifnetlabel Label for the network interface
+ *
+ *  Set the label of a newly created network interface, most likely
+ *  using the information in the supplied network interface struct.
+ */

 typedef void mpo_ifnet_label_associate_t(
        struct ifnet *ifp,
        struct label *ifnetlabel
 typedef void mpo_ifnet_label_associate_t(
        struct ifnet *ifp,
        struct label *ifnetlabel

-);
+       );

 /**
 /**

-  @brief Copy an ifnet label
-  @param src Source ifnet label
-  @param dest Destination ifnet label
-
-  Copy the label information from src to dest.
-*/
+ *  @brief Copy an ifnet label
+ *  @param src Source ifnet label
+ *  @param dest Destination ifnet label
+ *
+ *  Copy the label information from src to dest.
+ */

 typedef void mpo_ifnet_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_ifnet_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

- @brief Destroy ifnet label
- @param label The label to be destroyed
-
- Destroy the label on an ifnet label.  In this entry point, a
- policy module should free any internal storage associated with
- label so that it may be destroyed.
-*/
+ *  @brief Destroy ifnet label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy the label on an ifnet label.  In this entry point, a
+ *  policy module should free any internal storage associated with
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_ifnet_label_destroy_t(
        struct label *label
 typedef void mpo_ifnet_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize an ifnet label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on an interface.
-  An externalized label consists of a text representation of the
-  label contents that can be used with user applications.
-  Policy-agnostic user space tools will display this externalized
-  version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize an ifnet label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on an interface.
+ *  An externalized label consists of a text representation of the
+ *  label contents that can be used with user applications.
+ *  Policy-agnostic user space tools will display this externalized
+ *  version.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_ifnet_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_ifnet_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize ifnet label
-  @param label New label to initialize
-*/
+ *  @brief Initialize ifnet label
+ *  @param label New label to initialize
+ */

 typedef void mpo_ifnet_label_init_t(
        struct label *label
 typedef void mpo_ifnet_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Internalize an interface label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce an interface label from an external representation.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-
-*/
+ *  @brief Internalize an interface label
+ *  @param label Label to be internalized
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce an interface label from an external representation.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will forward text version to the kernel for
+ *  processing by individual policy modules.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, Otherwise, return non-zero if an error occurs
+ *  while internalizing the label data.
+ *
+ */

 typedef int mpo_ifnet_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_ifnet_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
+       );

 /**
 /**

-  @brief Recycle up a network interface label
-  @param label The label to be recycled
-
-  Recycle a network interface label.  Darwin caches the struct ifnet
-  of detached ifnets in a "free pool".  Before ifnets are returned
-  to the "free pool", policies can cleanup or overwrite any information
-  present in the label.
-*/
+ *  @brief Recycle up a network interface label
+ *  @param label The label to be recycled
+ *
+ *  Recycle a network interface label.  Darwin caches the struct ifnet
+ *  of detached ifnets in a "free pool".  Before ifnets are returned
+ *  to the "free pool", policies can cleanup or overwrite any information
+ *  present in the label.
+ */

 typedef void mpo_ifnet_label_recycle_t(
        struct label *label
 typedef void mpo_ifnet_label_recycle_t(
        struct label *label

-);
-/**
-  @brief Update a network interface label
-  @param cred Subject credential
-  @param ifp The network interface to be relabeled
-  @param ifnetlabel The current label of the network interface
-  @param newlabel A new label to apply to the network interface
-  @see mpo_ifnet_check_label_update_t
-
-  Update the label on a network interface, using the supplied new label.
-*/
+       );
+/**
+ *  @brief Update a network interface label
+ *  @param cred Subject credential
+ *  @param ifp The network interface to be relabeled
+ *  @param ifnetlabel The current label of the network interface
+ *  @param newlabel A new label to apply to the network interface
+ *  @see mpo_ifnet_check_label_update_t
+ *
+ *  Update the label on a network interface, using the supplied new label.
+ */

 typedef void mpo_ifnet_label_update_t(
        kauth_cred_t cred,
        struct ifnet *ifp,
        struct label *ifnetlabel,
        struct label *newlabel
 typedef void mpo_ifnet_label_update_t(
        kauth_cred_t cred,
        struct ifnet *ifp,
        struct label *ifnetlabel,
        struct label *newlabel

-);
-/**
-  @brief Access control check for delivering a packet to a socket
-  @param inp inpcb the socket is associated with
-  @param inplabel Label of the inpcb
-  @param m The mbuf being received
-  @param mbuflabel Label of the mbuf being received
-  @param family Address family, AF_*
-  @param type Type of socket, SOCK_{STREAM,DGRAM,RAW}
-
-  Determine whether the mbuf with label mbuflabel may be received
-  by the socket associated with inpcb that has the label inplabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for delivering a packet to a socket
+ *  @param inp inpcb the socket is associated with
+ *  @param inplabel Label of the inpcb
+ *  @param m The mbuf being received
+ *  @param mbuflabel Label of the mbuf being received
+ *  @param family Address family, AF_*
+ *  @param type Type of socket, SOCK_{STREAM,DGRAM,RAW}
+ *
+ *  Determine whether the mbuf with label mbuflabel may be received
+ *  by the socket associated with inpcb that has the label inplabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_inpcb_check_deliver_t(
        struct inpcb *inp,
        struct label *inplabel,
 typedef int mpo_inpcb_check_deliver_t(
        struct inpcb *inp,
        struct label *inplabel,


@@ -1152,507 +1268,367 @@ typedef int mpo_inpcb_check_deliver_t(
        struct label *mbuflabel,
        int family,
        int type
        struct label *mbuflabel,
        int family,
        int type

-);
+       );

 /**
 /**

-  @brief Create an inpcb label
-  @param so Socket containing the inpcb to be labeled
-  @param solabel Label of the socket
-  @param inp inpcb to be labeled
-  @param inplabel Label for the inpcb
-
-  Set the label of a newly created inpcb, most likely
-  using the information in the socket and/or socket label.
-*/
+ *  @brief Create an inpcb label
+ *  @param so Socket containing the inpcb to be labeled
+ *  @param solabel Label of the socket
+ *  @param inp inpcb to be labeled
+ *  @param inplabel Label for the inpcb
+ *
+ *  Set the label of a newly created inpcb, most likely
+ *  using the information in the socket and/or socket label.
+ */

 typedef void mpo_inpcb_label_associate_t(
        struct socket *so,
        struct label *solabel,
        struct inpcb *inp,
        struct label *inplabel
 typedef void mpo_inpcb_label_associate_t(
        struct socket *so,
        struct label *solabel,
        struct inpcb *inp,
        struct label *inplabel

-);
+       );

 /**
 /**

- @brief Destroy inpcb label
- @param label The label to be destroyed
-
- Destroy the label on an inpcb label.  In this entry point, a
- policy module should free any internal storage associated with
- label so that it may be destroyed.
-*/
+ *  @brief Destroy inpcb label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy the label on an inpcb label.  In this entry point, a
+ *  policy module should free any internal storage associated with
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_inpcb_label_destroy_t(
        struct label *label
 typedef void mpo_inpcb_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize inpcb label
-  @param label New label to initialize
-  @param flag M_WAITOK or M_NOWAIT
-*/
+ *  @brief Initialize inpcb label
+ *  @param label New label to initialize
+ *  @param flag M_WAITOK or M_NOWAIT
+ */

 typedef int mpo_inpcb_label_init_t(
        struct label *label,
        int flag
 typedef int mpo_inpcb_label_init_t(
        struct label *label,
        int flag

-);
+       );

 /**
 /**

-  @brief Recycle up an inpcb label
-  @param label The label to be recycled
-
-  Recycle an inpcb label.  Darwin allocates the inpcb as part of
-  the socket structure in some cases.  For this case we must recycle
-  rather than destroy the inpcb as it will be reused later.
-*/
+ *  @brief Recycle up an inpcb label
+ *  @param label The label to be recycled
+ *
+ *  Recycle an inpcb label.  Darwin allocates the inpcb as part of
+ *  the socket structure in some cases.  For this case we must recycle
+ *  rather than destroy the inpcb as it will be reused later.
+ */

 typedef void mpo_inpcb_label_recycle_t(
        struct label *label
 typedef void mpo_inpcb_label_recycle_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Update an inpcb label from a socket label
-  @param so Socket containing the inpcb to be relabeled
-  @param solabel New label of the socket
-  @param inp inpcb to be labeled
-  @param inplabel Label for the inpcb
-
-  Set the label of a newly created inpcb due to a change in the
-  underlying socket label.
-*/
+ *  @brief Update an inpcb label from a socket label
+ *  @param so Socket containing the inpcb to be relabeled
+ *  @param solabel New label of the socket
+ *  @param inp inpcb to be labeled
+ *  @param inplabel Label for the inpcb
+ *
+ *  Set the label of a newly created inpcb due to a change in the
+ *  underlying socket label.
+ */

 typedef void mpo_inpcb_label_update_t(
        struct socket *so,
        struct label *solabel,
        struct inpcb *inp,
        struct label *inplabel
 typedef void mpo_inpcb_label_update_t(
        struct socket *so,
        struct label *solabel,
        struct inpcb *inp,
        struct label *inplabel

-);
+       );

 /**
 /**

-  @brief Device hardware access control
-  @param devtype Type of device connected
-  @param properties XML-formatted property list
-  @param proplen Length of the property list
-
-  This is the MAC Framework device access control, which is called by the I/O
-  Kit when a new device is connected to the system to determine whether that
-  device should be trusted.  A list of properties associated with the device
-  is passed as an XML-formatted string.  The routine should examine these
-  properties to determine the trustworthiness of the device.  A return value
-  of EPERM forces the device to be claimed by a special device driver that
-  will prevent its operation.
-
-  @warning This is an experimental interface and may change in the future.
-
-  @return Return EPERM to indicate that the device is untrusted and should
-  not be allowed to operate.  Return zero to indicate that the device is
-  trusted and should be allowed to operate normally.
-
-*/
+ *  @brief Device hardware access control
+ *  @param devtype Type of device connected
+ *
+ *  This is the MAC Framework device access control, which is called by the I/O
+ *  Kit when a new device is connected to the system to determine whether that
+ *  device should be trusted.  A list of properties associated with the device
+ *  is passed as an XML-formatted string.  The routine should examine these
+ *  properties to determine the trustworthiness of the device.  A return value
+ *  of EPERM forces the device to be claimed by a special device driver that
+ *  will prevent its operation.
+ *
+ *  @warning This is an experimental interface and may change in the future.
+ *
+ *  @return Return EPERM to indicate that the device is untrusted and should
+ *  not be allowed to operate.  Return zero to indicate that the device is
+ *  trusted and should be allowed to operate normally.
+ *
+ */

 typedef int mpo_iokit_check_device_t(
        char *devtype,
        struct mac_module_data *mdata
 typedef int mpo_iokit_check_device_t(
        char *devtype,
        struct mac_module_data *mdata

-);
+       );

 /**
 /**

-  @brief Access control check for opening an I/O Kit device
-  @param cred Subject credential
-  @param device_path Device path
-  @param user_client User client instance
-  @param user_client_type User client type
-
-  Determine whether the subject identified by the credential can open an
-  I/O Kit device at the passed path of the passed user client class and
-  type.
-
-  @return Return 0 if access is granted, or an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for opening an I/O Kit device
+ *  @param cred Subject credential
+ *  @param user_client User client instance
+ *  @param user_client_type User client type
+ *
+ *  Determine whether the subject identified by the credential can open an
+ *  I/O Kit device at the passed path of the passed user client class and
+ *  type.
+ *
+ *  @return Return 0 if access is granted, or an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_iokit_check_open_t(
        kauth_cred_t cred,
        io_object_t user_client,
        unsigned int user_client_type
 typedef int mpo_iokit_check_open_t(
        kauth_cred_t cred,
        io_object_t user_client,
        unsigned int user_client_type

-);
+       );

 /**
 /**

-  @brief Access control check for setting I/O Kit device properties
-  @param cred Subject credential
-  @param entry Target device
-  @param properties Property list
-
-  Determine whether the subject identified by the credential can set
-  properties on an I/O Kit device.
-
-  @return Return 0 if access is granted, or an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting I/O Kit device properties
+ *  @param cred Subject credential
+ *  @param entry Target device
+ *  @param properties Property list
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  properties on an I/O Kit device.
+ *
+ *  @return Return 0 if access is granted, or an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_iokit_check_set_properties_t(
        kauth_cred_t cred,
        io_object_t entry,
        io_object_t properties
 typedef int mpo_iokit_check_set_properties_t(
        kauth_cred_t cred,
        io_object_t entry,
        io_object_t properties

-);
+       );

 /**
 /**

-  @brief Indicate desire to filter I/O Kit devices properties
-  @param cred Subject credential
-  @param entry Target device
-  @see mpo_iokit_check_get_property_t
-
-  Indicate whether this policy may restrict the subject credential
-  from reading properties of the target device.
-  If a policy returns success from this entry point, the
-  mpo_iokit_check_get_property entry point will later be called
-  for each property that the subject credential tries to read from
-  the target device.
-
-  This entry point is primarilly to optimize bulk property reads
-  by skipping calls to the mpo_iokit_check_get_property entry point
-  for credentials / devices no MAC policy is interested in.
-
-  @warning Even if a policy returns 0, it should behave correctly in
-  the presence of an invocation of mpo_iokit_check_get_property, as that
-  call may happen as a result of another policy requesting a transition.
-
-  @return Non-zero if a transition is required, 0 otherwise.
+ *  @brief Indicate desire to filter I/O Kit devices properties
+ *  @param cred Subject credential
+ *  @param entry Target device
+ *  @see mpo_iokit_check_get_property_t
+ *
+ *  Indicate whether this policy may restrict the subject credential
+ *  from reading properties of the target device.
+ *  If a policy returns success from this entry point, the
+ *  mpo_iokit_check_get_property entry point will later be called
+ *  for each property that the subject credential tries to read from
+ *  the target device.
+ *
+ *  This entry point is primarilly to optimize bulk property reads
+ *  by skipping calls to the mpo_iokit_check_get_property entry point
+ *  for credentials / devices no MAC policy is interested in.
+ *
+ *  @warning Even if a policy returns 0, it should behave correctly in
+ *  the presence of an invocation of mpo_iokit_check_get_property, as that
+ *  call may happen as a result of another policy requesting a transition.
+ *
+ *  @return Non-zero if a transition is required, 0 otherwise.

  */
 typedef int mpo_iokit_check_filter_properties_t(
        kauth_cred_t cred,
        io_object_t entry
  */
 typedef int mpo_iokit_check_filter_properties_t(
        kauth_cred_t cred,
        io_object_t entry

-);
+       );

 /**
 /**

-  @brief Access control check for getting I/O Kit device properties
-  @param cred Subject credential
-  @param entry Target device
-  @param name Property name 
-
-  Determine whether the subject identified by the credential can get
-  properties on an I/O Kit device.
-
-  @return Return 0 if access is granted, or an appropriate value for
-  errno.
-*/
+ *  @brief Access control check for getting I/O Kit device properties
+ *  @param cred Subject credential
+ *  @param entry Target device
+ *  @param name Property name
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  properties on an I/O Kit device.
+ *
+ *  @return Return 0 if access is granted, or an appropriate value for
+ *  errno.
+ */

 typedef int mpo_iokit_check_get_property_t(
        kauth_cred_t cred,
        io_object_t entry,
        const char *name
 typedef int mpo_iokit_check_get_property_t(
        kauth_cred_t cred,
        io_object_t entry,
        const char *name

-);
+       );

 /**
 /**

-  @brief Access control check for software HID control
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can
-  control the HID (Human Interface Device) subsystem, such as to
-  post synthetic keypresses, pointer movement and clicks.
-
-  @return Return 0 if access is granted, or an appropriate value for
-  errno.
-*/
+ *  @brief Access control check for software HID control
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can
+ *  control the HID (Human Interface Device) subsystem, such as to
+ *  post synthetic keypresses, pointer movement and clicks.
+ *
+ *  @return Return 0 if access is granted, or an appropriate value for
+ *  errno.
+ */

 typedef int mpo_iokit_check_hid_control_t(
        kauth_cred_t cred
 typedef int mpo_iokit_check_hid_control_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Create an IP reassembly queue label
-  @param fragment First received IP fragment
-  @param fragmentlabel Policy label for fragment
-  @param ipq IP reassembly queue to be labeled
-  @param ipqlabel Policy label to be filled in for ipq
-
-  Set the label on a newly created IP reassembly queue from
-  the mbuf header of the first received fragment.
-*/
+ *  @brief Create an IP reassembly queue label
+ *  @param fragment First received IP fragment
+ *  @param fragmentlabel Policy label for fragment
+ *  @param ipq IP reassembly queue to be labeled
+ *  @param ipqlabel Policy label to be filled in for ipq
+ *
+ *  Set the label on a newly created IP reassembly queue from
+ *  the mbuf header of the first received fragment.
+ */

 typedef void mpo_ipq_label_associate_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel
 typedef void mpo_ipq_label_associate_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel

-);
+       );

 /**
 /**

-  @brief Compare an mbuf header label to an ipq label
-  @param fragment IP datagram fragment
-  @param fragmentlabel Policy label for fragment
-  @param ipq IP fragment reassembly queue
-  @param ipqlabel Policy label for ipq
-
-  Compare the label of the mbuf header containing an IP datagram
-  (fragment) fragment with the label of the passed IP fragment
-  reassembly queue (ipq). Return (1) for a successful match, or (0)
-  for no match. This call is made when the IP stack attempts to
-  find an existing fragment reassembly queue for a newly received
-  fragment; if this fails, a new fragment reassembly queue may be
-  instantiated for the fragment. Policies may use this entry point
-  to prevent the reassembly of otherwise matching IP fragments if
-  policy does not permit them to be reassembled based on the label
-  or other information.
-*/
+ *  @brief Compare an mbuf header label to an ipq label
+ *  @param fragment IP datagram fragment
+ *  @param fragmentlabel Policy label for fragment
+ *  @param ipq IP fragment reassembly queue
+ *  @param ipqlabel Policy label for ipq
+ *
+ *  Compare the label of the mbuf header containing an IP datagram
+ *  (fragment) fragment with the label of the passed IP fragment
+ *  reassembly queue (ipq). Return (1) for a successful match, or (0)
+ *  for no match. This call is made when the IP stack attempts to
+ *  find an existing fragment reassembly queue for a newly received
+ *  fragment; if this fails, a new fragment reassembly queue may be
+ *  instantiated for the fragment. Policies may use this entry point
+ *  to prevent the reassembly of otherwise matching IP fragments if
+ *  policy does not permit them to be reassembled based on the label
+ *  or other information.
+ */

 typedef int mpo_ipq_label_compare_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel
 typedef int mpo_ipq_label_compare_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel

-);
+       );

 /**
 /**

- @brief Destroy IP reassembly queue label
- @param label The label to be destroyed
-
- Destroy the label on an IP fragment queue.  In this entry point, a
- policy module should free any internal storage associated with
- label so that it may be destroyed.
-*/
+ *  @brief Destroy IP reassembly queue label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy the label on an IP fragment queue.  In this entry point, a
+ *  policy module should free any internal storage associated with
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_ipq_label_destroy_t(
        struct label *label
 typedef void mpo_ipq_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize IP reassembly queue label
-  @param label New label to initialize
-  @param flag M_WAITOK or M_NOWAIT
-
-  Initialize the label on a newly instantiated IP fragment reassembly
-  queue.  The flag field may be one of M_WAITOK and M_NOWAIT, and
-  should be employed to avoid performing a sleeping malloc(9) during
-  this initialization call. IP fragment reassembly queue allocation
-  frequently occurs in performance sensitive environments, and the
-  implementation should be careful to avoid sleeping or long-lived
-  operations. This entry point is permitted to fail resulting in
-  the failure to allocate the IP fragment reassembly queue.
-*/
+ *  @brief Initialize IP reassembly queue label
+ *  @param label New label to initialize
+ *  @param flag M_WAITOK or M_NOWAIT
+ *
+ *  Initialize the label on a newly instantiated IP fragment reassembly
+ *  queue.  The flag field may be one of M_WAITOK and M_NOWAIT, and
+ *  should be employed to avoid performing a sleeping malloc(9) during
+ *  this initialization call. IP fragment reassembly queue allocation
+ *  frequently occurs in performance sensitive environments, and the
+ *  implementation should be careful to avoid sleeping or long-lived
+ *  operations. This entry point is permitted to fail resulting in
+ *  the failure to allocate the IP fragment reassembly queue.
+ */

 typedef int mpo_ipq_label_init_t(
        struct label *label,
        int flag
 typedef int mpo_ipq_label_init_t(
        struct label *label,
        int flag

-);
+       );

 /**
 /**

-  @brief Update the label on an IP fragment reassembly queue
-  @param fragment IP fragment
-  @param fragmentlabel Policy label for fragment
-  @param ipq IP fragment reassembly queue
-  @param ipqlabel Policy label to be updated for ipq
-
-  Update the label on an IP fragment reassembly queue (ipq) based
-  on the acceptance of the passed IP fragment mbuf header (fragment).
-*/
+ *  @brief Update the label on an IP fragment reassembly queue
+ *  @param fragment IP fragment
+ *  @param fragmentlabel Policy label for fragment
+ *  @param ipq IP fragment reassembly queue
+ *  @param ipqlabel Policy label to be updated for ipq
+ *
+ *  Update the label on an IP fragment reassembly queue (ipq) based
+ *  on the acceptance of the passed IP fragment mbuf header (fragment).
+ */

 typedef void mpo_ipq_label_update_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel
 typedef void mpo_ipq_label_update_t(
        struct mbuf *fragment,
        struct label *fragmentlabel,
        struct ipq *ipq,
        struct label *ipqlabel

-);
-/**
-  @brief Access control check for relabelling Login Context
-  @param l Subject credential
-  @param newlabel New label to apply to the Login Context
-  @see mpo_lctx_label_update_t
-  @see mac_set_lcid
-  @see mac_set_lctx
-
-  Determine whether the subject identified by the credential can relabel
-  itself to the supplied new label (newlabel).  This access control check
-  is called when the mac_set_lctx/lcid system call is invoked.  A user space
-  application will supply a new value, the value will be internalized
-  and provided in newlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
-typedef int mpo_lctx_check_label_update_t(
-       struct lctx *l,
-       struct label *newlabel
-);
-/**
- @brief Destroy Login Context label
- @param label The label to be destroyed
-*/
-typedef void mpo_lctx_label_destroy_t(
-       struct label *label
-);
-/**
-  @brief Externalize a Login Context label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a Login Context.
-  An externalized label consists of a text representation
-  of the label contents that can be used with user applications.
-  Policy-agnostic user space tools will display this externalized
-  version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
-typedef int mpo_lctx_label_externalize_t(
-       struct label *label,
-       char *element_name,
-       struct sbuf *sb
-);
-/**
-  @brief Initialize Login Context label
-  @param label New label to initialize
-*/
-typedef void mpo_lctx_label_init_t(
-       struct label *label
-);
-/**
-  @brief Internalize a Login Context label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce a Login Context label from an external representation.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-
-*/
-typedef int mpo_lctx_label_internalize_t(
-       struct label *label,
-       char *element_name,
-       char *element_data
-);
-/**
-  @brief Update a Login Context label
-  @param l
-  @param newlabel A new label to apply to the Login Context
-  @see mpo_lctx_check_label_update_t
-  @see mac_set_lcid
-  @see mac_set_lctx
-
-  Update the label on a login context, using the supplied new label.
-  This is called as a result of a login context relabel operation.  Access
-  control was already confirmed by mpo_lctx_check_label_update.
-*/
-typedef void mpo_lctx_label_update_t(
-       struct lctx *l,
-       struct label *newlabel
-);
-/**
-  @brief A process has created a login context
-  @param p Subject
-  @param l Login Context
-
-  When a process creates a login context (via setlcid()) this entrypoint
-  is called to notify the policy that the process 'p' has created login
-  context 'l'.
-*/
-typedef void mpo_lctx_notify_create_t(
-       struct proc *p,
-       struct lctx *l
-);
+       );

 /**
 /**

-  @brief A process has joined a login context
-  @param p Subject
-  @param l Login Context
-
-  When a process joins a login context, either via setlcid() or via
-  fork() this entrypoint is called to notify the policy that process
-  'p' is now a member of login context 'l'.
-*/
-typedef void mpo_lctx_notify_join_t(
-       struct proc *p,
-       struct lctx *l
-);
-/**
-  @brief A process has left a login context
-  @param p Subject
-  @param l Login Context
-
-  When a process leaves a login context either via setlcid() or as a
-  result of the process exiting this entrypoint is called to notify
-  the policy that the process 'p' is no longer a member of login context 'l'.
-*/
-typedef void mpo_lctx_notify_leave_t(
-       struct proc *p,
-       struct lctx *l
-);
-/**
- @brief Assign a label to a new mbuf
- @param bpf_d BPF descriptor
- @param b_label Policy label for bpf_d
- @param m Object; mbuf
- @param m_label Policy label to fill in for m
-
- Set the label on the mbuf header of a newly created datagram
- generated using the passed BPF descriptor. This call is made when
- a write is performed to the BPF device associated with the passed
- BPF descriptor.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param bpf_d BPF descriptor
+ *  @param b_label Policy label for bpf_d
+ *  @param m Object; mbuf
+ *  @param m_label Policy label to fill in for m
+ *
+ *  Set the label on the mbuf header of a newly created datagram
+ *  generated using the passed BPF descriptor. This call is made when
+ *  a write is performed to the BPF device associated with the passed
+ *  BPF descriptor.
+ */

 typedef void mpo_mbuf_label_associate_bpfdesc_t(
        struct bpf_d *bpf_d,
        struct label *b_label,
        struct mbuf *m,
        struct label *m_label
 typedef void mpo_mbuf_label_associate_bpfdesc_t(
        struct bpf_d *bpf_d,
        struct label *b_label,
        struct mbuf *m,
        struct label *m_label

-);
+       );

 /**
 /**

- @brief Assign a label to a new mbuf
- @param ifp Interface descriptor
- @param i_label Existing label of ifp
- @param m Object; mbuf
- @param m_label Policy label to fill in for m
-
- Label an mbuf based on the interface from which it was received.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param ifp Interface descriptor
+ *  @param i_label Existing label of ifp
+ *  @param m Object; mbuf
+ *  @param m_label Policy label to fill in for m
+ *
+ *  Label an mbuf based on the interface from which it was received.
+ */

 typedef void mpo_mbuf_label_associate_ifnet_t(
        struct ifnet *ifp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label
 typedef void mpo_mbuf_label_associate_ifnet_t(
        struct ifnet *ifp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label

-);
+       );

 /**
 /**

- @brief Assign a label to a new mbuf
- @param inp inpcb structure
- @param i_label Existing label of inp
- @param m Object; mbuf
- @param m_label Policy label to fill in for m
-
- Label an mbuf based on the inpcb from which it was derived.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param inp inpcb structure
+ *  @param i_label Existing label of inp
+ *  @param m Object; mbuf
+ *  @param m_label Policy label to fill in for m
+ *
+ *  Label an mbuf based on the inpcb from which it was derived.
+ */

 typedef void mpo_mbuf_label_associate_inpcb_t(
        struct inpcb *inp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label
 typedef void mpo_mbuf_label_associate_inpcb_t(
        struct inpcb *inp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label

-);
+       );

 /**
 /**

-  @brief Set the label on a newly reassembled IP datagram
-  @param ipq IP fragment reassembly queue
-  @param ipqlabel Policy label for ipq
-  @param mbuf IP datagram to be labeled
-  @param mbuflabel Policy label to be filled in for mbuf
-
-  Set the label on a newly reassembled IP datagram (mbuf) from the IP
-  fragment reassembly queue (ipq) from which it was generated.
-*/
+ *  @brief Set the label on a newly reassembled IP datagram
+ *  @param ipq IP fragment reassembly queue
+ *  @param ipqlabel Policy label for ipq
+ *  @param mbuf IP datagram to be labeled
+ *  @param mbuflabel Policy label to be filled in for mbuf
+ *
+ *  Set the label on a newly reassembled IP datagram (mbuf) from the IP
+ *  fragment reassembly queue (ipq) from which it was generated.
+ */

 typedef void mpo_mbuf_label_associate_ipq_t(
        struct ipq *ipq,
        struct label *ipqlabel,
        struct mbuf *mbuf,
        struct label *mbuflabel
 typedef void mpo_mbuf_label_associate_ipq_t(
        struct ipq *ipq,
        struct label *ipqlabel,
        struct mbuf *mbuf,
        struct label *mbuflabel

-);
+       );

 /**
 /**

- @brief Assign a label to a new mbuf
- @param ifp Subject; network interface
- @param i_label Existing label of ifp
- @param m Object; mbuf
- @param m_label Policy label to fill in for m
-
- Set the label on the mbuf header of a newly created datagram
- generated for the purposes of a link layer response for the passed
- interface. This call may be made in a number of situations, including
- for ARP or ND6 responses in the IPv4 and IPv6 stacks.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param ifp Subject; network interface
+ *  @param i_label Existing label of ifp
+ *  @param m Object; mbuf
+ *  @param m_label Policy label to fill in for m
+ *
+ *  Set the label on the mbuf header of a newly created datagram
+ *  generated for the purposes of a link layer response for the passed
+ *  interface. This call may be made in a number of situations, including
+ *  for ARP or ND6 responses in the IPv4 and IPv6 stacks.
+ */

 typedef void mpo_mbuf_label_associate_linklayer_t(
        struct ifnet *ifp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label
 typedef void mpo_mbuf_label_associate_linklayer_t(
        struct ifnet *ifp,
        struct label *i_label,
        struct mbuf *m,
        struct label *m_label

-);
-/**
- @brief Assign a label to a new mbuf
- @param oldmbuf mbuf headerder for existing datagram for existing datagram
- @param oldmbuflabel Policy label for oldmbuf
- @param ifp Network interface
- @param ifplabel Policy label for ifp
- @param newmbuf mbuf header to be labeled for new datagram
- @param newmbuflabel Policy label for newmbuf
-
- Set the label on the mbuf header of a newly created datagram
- generated from the existing passed datagram when it is processed
- by the passed multicast encapsulation interface. This call is made
- when an mbuf is to be delivered using the virtual interface.
-*/
+       );
+/**
+ *  @brief Assign a label to a new mbuf
+ *  @param oldmbuf mbuf headerder for existing datagram for existing datagram
+ *  @param oldmbuflabel Policy label for oldmbuf
+ *  @param ifp Network interface
+ *  @param ifplabel Policy label for ifp
+ *  @param newmbuf mbuf header to be labeled for new datagram
+ *  @param newmbuflabel Policy label for newmbuf
+ *
+ *  Set the label on the mbuf header of a newly created datagram
+ *  generated from the existing passed datagram when it is processed
+ *  by the passed multicast encapsulation interface. This call is made
+ *  when an mbuf is to be delivered using the virtual interface.
+ */

 typedef void mpo_mbuf_label_associate_multicast_encap_t(
        struct mbuf *oldmbuf,
        struct label *oldmbuflabel,
 typedef void mpo_mbuf_label_associate_multicast_encap_t(
        struct mbuf *oldmbuf,
        struct label *oldmbuflabel,


@@ -1660,1217 +1636,1348 @@ typedef void mpo_mbuf_label_associate_multicast_encap_t(
        struct label *ifplabel,
        struct mbuf *newmbuf,
        struct label *newmbuflabel
        struct label *ifplabel,
        struct mbuf *newmbuf,
        struct label *newmbuflabel

-);
+       );

 /**
 /**

- @brief Assign a label to a new mbuf
- @param oldmbuf Received datagram
- @param oldmbuflabel Policy label for oldmbuf
- @param newmbuf Newly created datagram
- @param newmbuflabel Policy label for newmbuf
-
- Set the label on the mbuf header of a newly created datagram generated
- by the IP stack in response to an existing received datagram (oldmbuf).
- This call may be made in a number of situations, including when responding
- to ICMP request datagrams.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param oldmbuf Received datagram
+ *  @param oldmbuflabel Policy label for oldmbuf
+ *  @param newmbuf Newly created datagram
+ *  @param newmbuflabel Policy label for newmbuf
+ *
+ *  Set the label on the mbuf header of a newly created datagram generated
+ *  by the IP stack in response to an existing received datagram (oldmbuf).
+ *  This call may be made in a number of situations, including when responding
+ *  to ICMP request datagrams.
+ */

 typedef void mpo_mbuf_label_associate_netlayer_t(
        struct mbuf *oldmbuf,
        struct label *oldmbuflabel,
        struct mbuf *newmbuf,
        struct label *newmbuflabel
 typedef void mpo_mbuf_label_associate_netlayer_t(
        struct mbuf *oldmbuf,
        struct label *oldmbuflabel,
        struct mbuf *newmbuf,
        struct label *newmbuflabel

-);
+       );

 /**
 /**

-  @brief Assign a label to a new mbuf
-  @param so Socket to label
-  @param so_label Policy label for socket
-  @param m Object; mbuf
-  @param m_label Policy label to fill in for m
-
-  An mbuf structure is used to store network traffic in transit.
-  When an application sends data to a socket or a pipe, it is wrapped
-  in an mbuf first.  This function sets the label on a newly created mbuf header
-  based on the socket sending the data.  The contents of the label should be
-  suitable for performing an access check on the receiving side of the
-  communication.
-
-  Only labeled MBUFs will be presented to the policy via this entrypoint.
-*/
+ *  @brief Assign a label to a new mbuf
+ *  @param so Socket to label
+ *  @param so_label Policy label for socket
+ *  @param m Object; mbuf
+ *  @param m_label Policy label to fill in for m
+ *
+ *  An mbuf structure is used to store network traffic in transit.
+ *  When an application sends data to a socket or a pipe, it is wrapped
+ *  in an mbuf first.  This function sets the label on a newly created mbuf header
+ *  based on the socket sending the data.  The contents of the label should be
+ *  suitable for performing an access check on the receiving side of the
+ *  communication.
+ *
+ *  Only labeled MBUFs will be presented to the policy via this entrypoint.
+ */

 typedef void mpo_mbuf_label_associate_socket_t(
        socket_t so,
        struct label *so_label,
        struct mbuf *m,
        struct label *m_label
 typedef void mpo_mbuf_label_associate_socket_t(
        socket_t so,
        struct label *so_label,
        struct mbuf *m,
        struct label *m_label

-);
+       );

 /**
 /**

-  @brief Copy a mbuf label
-  @param src Source label
-  @param dest Destination label
-
-  Copy the mbuf label information in src into dest.
-
-  Only called when both source and destination mbufs have labels.
-*/
+ *  @brief Copy a mbuf label
+ *  @param src Source label
+ *  @param dest Destination label
+ *
+ *  Copy the mbuf label information in src into dest.
+ *
+ *  Only called when both source and destination mbufs have labels.
+ */

 typedef void mpo_mbuf_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_mbuf_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

-  @brief Destroy mbuf label
-  @param label The label to be destroyed
-
-  Destroy a mbuf label.  Since the
-  object is going out of scope, policy modules should free any
-  internal storage associated with the label so that it may be
-  destroyed.
-*/
+ *  @brief Destroy mbuf label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a mbuf label.  Since the
+ *  object is going out of scope, policy modules should free any
+ *  internal storage associated with the label so that it may be
+ *  destroyed.
+ */

 typedef void mpo_mbuf_label_destroy_t(
        struct label *label
 typedef void mpo_mbuf_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize mbuf label
-  @param label New label to initialize
-  @param flag Malloc flags
-
-  Initialize the label for a newly instantiated mbuf.
-
-  @warning Since it is possible for the flags to be set to
-  M_NOWAIT, the malloc operation may fail.
-
-  @return On success, 0, otherwise, an appropriate errno return value.
-*/
+ *  @brief Initialize mbuf label
+ *  @param label New label to initialize
+ *  @param flag Malloc flags
+ *
+ *  Initialize the label for a newly instantiated mbuf.
+ *
+ *  @warning Since it is possible for the flags to be set to
+ *  M_NOWAIT, the malloc operation may fail.
+ *
+ *  @return On success, 0, otherwise, an appropriate errno return value.
+ */

 typedef int mpo_mbuf_label_init_t(
        struct label *label,
        int flag
 typedef int mpo_mbuf_label_init_t(
        struct label *label,
        int flag

-);
+       );

 /**
 /**

-  @brief Access control check for fsctl
-  @param cred Subject credential
-  @param mp The mount point
-  @param label Label associated with the mount point
-  @param com Filesystem-dependent request code; see fsctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the volume operation indicated by com.
-
-  @warning The fsctl() system call is directly analogous to ioctl(); since
-  the associated data is opaque from the standpoint of the MAC framework
-  and since these operations can affect many aspects of system operation,
-  policies must exercise extreme care when implementing access control checks.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for fsctl
+ *  @param cred Subject credential
+ *  @param mp The mount point
+ *  @param label Label associated with the mount point
+ *  @param cmd Filesystem-dependent request code; see fsctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the volume operation indicated by com.
+ *
+ *  @warning The fsctl() system call is directly analogous to ioctl(); since
+ *  the associated data is opaque from the standpoint of the MAC framework
+ *  and since these operations can affect many aspects of system operation,
+ *  policies must exercise extreme care when implementing access control checks.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_mount_check_fsctl_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *label,
        unsigned int cmd
 typedef int mpo_mount_check_fsctl_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *label,
        unsigned int cmd

-);
+       );

 /**
 /**

-  @brief Access control check for the retrieval of file system attributes
-  @param cred Subject credential
-  @param mp The mount structure of the file system
-  @param vfa The attributes requested
-
-  This entry point determines whether given subject can get information
-  about the given file system.  This check happens during statfs() syscalls,
-  but is also used by other parts within the kernel such as the audit system.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for the retrieval of file system attributes
+ *  @param cred Subject credential
+ *  @param mp The mount structure of the file system
+ *  @param vfa The attributes requested
+ *
+ *  This entry point determines whether given subject can get information
+ *  about the given file system.  This check happens during statfs() syscalls,
+ *  but is also used by other parts within the kernel such as the audit system.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ *  @note Policies may change the contents of vfa to alter the list of
+ *  file system attributes returned.
+ */

 
 typedef int mpo_mount_check_getattr_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mp_label,
        struct vfs_attr *vfa
 
 typedef int mpo_mount_check_getattr_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mp_label,
        struct vfs_attr *vfa

-);
+       );

 /**
 /**

-  @brief Access control check for mount point relabeling
-  @param cred Subject credential
-  @param mp Object file system mount point
-  @param mntlabel Policy label for fle system mount point
-
-  Determine whether the subject identified by the credential can relabel
-  the mount point. This call is made when a file system mount is updated.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch
-  or EPERM for lack of privilege.
-*/
+ *  @brief Access control check for mount point relabeling
+ *  @param cred Subject credential
+ *  @param mp Object file system mount point
+ *  @param mntlabel Policy label for fle system mount point
+ *
+ *  Determine whether the subject identified by the credential can relabel
+ *  the mount point. This call is made when a file system mount is updated.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch
+ *  or EPERM for lack of privilege.
+ */

 typedef int mpo_mount_check_label_update_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel
 typedef int mpo_mount_check_label_update_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel

-);
-/**
-  @brief Access control check for mounting a file system
-  @param cred Subject credential
-  @param vp Vnode that is to be the mount point
-  @param vlabel Label associated with the vnode
-  @param cnp Component name for vp
-  @param vfc_name Filesystem type name
-
-  Determine whether the subject identified by the credential can perform
-  the mount operation on the target vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for mounting a file system
+ *  @param cred Subject credential
+ *  @param vp Vnode that is to be the mount point
+ *  @param vlabel Label associated with the vnode
+ *  @param cnp Component name for vp
+ *  @param vfc_name Filesystem type name
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the mount operation on the target vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_mount_check_mount_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp,
        const char *vfc_name
 typedef int mpo_mount_check_mount_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp,
        const char *vfc_name

-);
+       );

 /**
 /**

-  @brief Access control check remounting a filesystem
-  @param cred Subject credential
-  @param mp The mount point
-  @param mlabel Label currently associated with the mount point
-
-  Determine whether the subject identified by the credential can perform
-  the remount operation on the target vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for mounting a file system (late)
+ *  @param cred Subject credential
+ *  @param mp Mount point
+ *
+ *  Similar to mpo_mount_check_mount, but occurs after VFS_MOUNT has been
+ *  called, making it possible to access mnt_vfsstat.f_mntfromname and other
+ *  fields.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_mount_check_mount_late_t(
+       kauth_cred_t cred,
+       struct mount *mp
+       );
+/**
+ *  @brief Access control check for fs_snapshot_create
+ *  @param cred Subject credential
+ *  @mp Filesystem mount point to create snapshot of
+ *  @name Name of snapshot to create
+ *
+ *  Determine whether the subject identified by the credential can
+ *  create a snapshot of the filesystem at the given mount point.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value
+ *  for errno should be returned.
+ */
+typedef int mpo_mount_check_snapshot_create_t(
+       kauth_cred_t cred,
+       struct mount *mp,
+       const char *name
+       );
+/**
+ *  @brief Access control check for fs_snapshot_delete
+ *  @param cred Subject credential
+ *  @mp Filesystem mount point to delete snapshot of
+ *  @name Name of snapshot to delete
+ *
+ *  Determine whether the subject identified by the credential can
+ *  delete the named snapshot from the filesystem at the given
+ *  mount point.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value
+ *  for errno should be returned.
+ */
+typedef int mpo_mount_check_snapshot_delete_t(
+       kauth_cred_t cred,
+       struct mount *mp,
+       const char *name
+       );
+/**
+ *  @brief Access control check for fs_snapshot_revert
+ *  @param cred Subject credential
+ *  @mp Filesystem mount point to revert to snapshot
+ *  @name Name of snapshot to revert to
+ *
+ *  Determine whether the subject identified by the credential can
+ *  revert the filesystem at the given mount point to the named snapshot.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value
+ *  for errno should be returned.
+ */
+typedef int mpo_mount_check_snapshot_revert_t(
+       kauth_cred_t cred,
+       struct mount *mp,
+       const char *name
+       );
+/**
+ *  @brief Access control check remounting a filesystem
+ *  @param cred Subject credential
+ *  @param mp The mount point
+ *  @param mlabel Label currently associated with the mount point
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the remount operation on the target vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_mount_check_remount_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mlabel
 typedef int mpo_mount_check_remount_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mlabel

-);
+       );

 /**
 /**

-  @brief Access control check for the settting of file system attributes
-  @param cred Subject credential
-  @param mp The mount structure of the file system
-  @param vfa The attributes requested
-
-  This entry point determines whether given subject can set information
-  about the given file system, for example the volume name.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for the settting of file system attributes
+ *  @param cred Subject credential
+ *  @param mp The mount structure of the file system
+ *  @param vfa The attributes requested
+ *
+ *  This entry point determines whether given subject can set information
+ *  about the given file system, for example the volume name.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 
 typedef int mpo_mount_check_setattr_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mp_label,
        struct vfs_attr *vfa
 
 typedef int mpo_mount_check_setattr_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mp_label,
        struct vfs_attr *vfa

-);
+       );

 /**
 /**

-  @brief Access control check for file system statistics
-  @param cred Subject credential
-  @param mp Object file system mount
-  @param mntlabel Policy label for mp
-
-  Determine whether the subject identified by the credential can see
-  the results of a statfs performed on the file system. This call may
-  be made in a number of situations, including during invocations of
-  statfs(2) and related calls, as well as to determine what file systems
-  to exclude from listings of file systems, such as when getfsstat(2)
-  is invoked.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch
-  or EPERM for lack of privilege.
-*/
+ *  @brief Access control check for file system statistics
+ *  @param cred Subject credential
+ *  @param mp Object file system mount
+ *  @param mntlabel Policy label for mp
+ *
+ *  Determine whether the subject identified by the credential can see
+ *  the results of a statfs performed on the file system. This call may
+ *  be made in a number of situations, including during invocations of
+ *  statfs(2) and related calls, as well as to determine what file systems
+ *  to exclude from listings of file systems, such as when getfsstat(2)
+ *  is invoked.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch
+ *  or EPERM for lack of privilege.
+ */

 typedef int mpo_mount_check_stat_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel
 typedef int mpo_mount_check_stat_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel

-);
+       );

 /**
 /**

-  @brief Access control check for unmounting a filesystem
-  @param cred Subject credential
-  @param mp The mount point
-  @param mlabel Label associated with the mount point
-
-  Determine whether the subject identified by the credential can perform
-  the unmount operation on the target vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for unmounting a filesystem
+ *  @param cred Subject credential
+ *  @param mp The mount point
+ *  @param mlabel Label associated with the mount point
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the unmount operation on the target vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_mount_check_umount_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mlabel
 typedef int mpo_mount_check_umount_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mlabel

-);
+       );

 /**
 /**

-  @brief Create mount labels
-  @param cred Subject credential
-  @param mp Mount point of file system being mounted
-  @param mntlabel Label to associate with the new mount point
-  @see mpo_mount_label_init_t
-
-  Fill out the labels on the mount point being created by the supplied
-  user credential.  This call is made when file systems are first mounted.
-*/
+ *  @brief Create mount labels
+ *  @param cred Subject credential
+ *  @param mp Mount point of file system being mounted
+ *  @param mntlabel Label to associate with the new mount point
+ *  @see mpo_mount_label_init_t
+ *
+ *  Fill out the labels on the mount point being created by the supplied
+ *  user credential.  This call is made when file systems are first mounted.
+ */

 typedef void mpo_mount_label_associate_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel
 typedef void mpo_mount_label_associate_t(
        kauth_cred_t cred,
        struct mount *mp,
        struct label *mntlabel

-);
+       );

 /**
 /**

-  @brief Destroy mount label
-  @param label The label to be destroyed
-
-  Destroy a file system mount label.  Since the
-  object is going out of scope, policy modules should free any
-  internal storage associated with the label so that it may be
-  destroyed.
-*/
+ *  @brief Destroy mount label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a file system mount label.  Since the
+ *  object is going out of scope, policy modules should free any
+ *  internal storage associated with the label so that it may be
+ *  destroyed.
+ */

 typedef void mpo_mount_label_destroy_t(
        struct label *label
 typedef void mpo_mount_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a mount point label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the mount point label.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will display this externalized version.
-
-  The policy's externalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a mount point label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the mount point label.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will display this externalized version.
+ *
+ *  The policy's externalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_mount_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_mount_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize mount point label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated mount structure.
-  This label is typically used to store a default label in the case
-  that the file system has been mounted singlelabel.  Since some
-  file systems do not support persistent labels (extended attributes)
-  or are read-only (such as CD-ROMs), it is often necessary to store
-  a default label separately from the label of the mount point
-  itself.  Sleeping is permitted.
-*/
+ *  @brief Initialize mount point label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated mount structure.
+ *  This label is typically used to store a default label in the case
+ *  that the file system has been mounted singlelabel.  Since some
+ *  file systems do not support persistent labels (extended attributes)
+ *  or are read-only (such as CD-ROMs), it is often necessary to store
+ *  a default label separately from the label of the mount point
+ *  itself.  Sleeping is permitted.
+ */

 typedef void mpo_mount_label_init_t(
        struct label *label
 typedef void mpo_mount_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Internalize a mount point label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce a mount point file system label from an external representation.
-  An externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-
-*/
+ *  @brief Internalize a mount point label
+ *  @param label Label to be internalized
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce a mount point file system label from an external representation.
+ *  An externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will forward text version to the kernel for
+ *  processing by individual policy modules.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, Otherwise, return non-zero if an error occurs
+ *  while internalizing the label data.
+ *
+ */

 typedef int mpo_mount_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_mount_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
+       );

 /**
 /**

-  @brief Set the label on an IPv4 datagram fragment
-  @param datagram Datagram being fragmented
-  @param datagramlabel Policy label for datagram
-  @param fragment New fragment
-  @param fragmentlabel Policy label for fragment
-
-  Called when an IPv4 datagram is fragmented into several smaller datagrams.
-  Policies implementing mbuf labels will typically copy the label from the
-  source datagram to the new fragment.
-*/
+ *  @brief Set the label on an IPv4 datagram fragment
+ *  @param datagram Datagram being fragmented
+ *  @param datagramlabel Policy label for datagram
+ *  @param fragment New fragment
+ *  @param fragmentlabel Policy label for fragment
+ *
+ *  Called when an IPv4 datagram is fragmented into several smaller datagrams.
+ *  Policies implementing mbuf labels will typically copy the label from the
+ *  source datagram to the new fragment.
+ */

 typedef void mpo_netinet_fragment_t(
        struct mbuf *datagram,
        struct label *datagramlabel,
        struct mbuf *fragment,
        struct label *fragmentlabel
 typedef void mpo_netinet_fragment_t(
        struct mbuf *datagram,
        struct label *datagramlabel,
        struct mbuf *fragment,
        struct label *fragmentlabel

-);
+       );

 /**
 /**

-  @brief Set the label on an ICMP reply
-  @param m mbuf containing the ICMP reply
-  @param mlabel Policy label for m
-
-  A policy may wish to update the label of an mbuf that refers to
-  an ICMP packet being sent in response to an IP packet.  This may
-  be called in response to a bad packet or an ICMP request.
-*/
+ *  @brief Set the label on an ICMP reply
+ *  @param m mbuf containing the ICMP reply
+ *  @param mlabel Policy label for m
+ *
+ *  A policy may wish to update the label of an mbuf that refers to
+ *  an ICMP packet being sent in response to an IP packet.  This may
+ *  be called in response to a bad packet or an ICMP request.
+ */

 typedef void mpo_netinet_icmp_reply_t(
        struct mbuf *m,
        struct label *mlabel
 typedef void mpo_netinet_icmp_reply_t(
        struct mbuf *m,
        struct label *mlabel

-);
+       );

 /**
 /**

-  @brief Set the label on a TCP reply
-  @param m mbuf containing the TCP reply
-  @param mlabel Policy label for m
-
-  Called for outgoing TCP packets not associated with an actual socket.
-*/
+ *  @brief Set the label on a TCP reply
+ *  @param m mbuf containing the TCP reply
+ *  @param mlabel Policy label for m
+ *
+ *  Called for outgoing TCP packets not associated with an actual socket.
+ */

 typedef void mpo_netinet_tcp_reply_t(
        struct mbuf *m,
        struct label *mlabel
 typedef void mpo_netinet_tcp_reply_t(
        struct mbuf *m,
        struct label *mlabel

-);
+       );

 /**
 /**

-  @brief Access control check for pipe ioctl
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The label on the pipe
-  @param cmd The ioctl command; see ioctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the ioctl operation indicated by cmd.
-
-  @warning Since ioctl data is opaque from the standpoint of the MAC
-  framework, policies must exercise extreme care when implementing
-  access control checks.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe ioctl
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The label on the pipe
+ *  @param cmd The ioctl command; see ioctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the ioctl operation indicated by cmd.
+ *
+ *  @warning Since ioctl data is opaque from the standpoint of the MAC
+ *  framework, policies must exercise extreme care when implementing
+ *  access control checks.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_ioctl_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        unsigned int cmd
 typedef int mpo_pipe_check_ioctl_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        unsigned int cmd

-);
+       );

 /**
 /**

-  @brief Access control check for pipe kqfilter
-  @param cred Subject credential
-  @param kn Object knote
-  @param cpipe Object to be accessed
-  @param pipelabel Policy label for the pipe
-
-  Determine whether the subject identified by the credential can
-  receive the knote on the passed pipe.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for pipe kqfilter
+ *  @param cred Subject credential
+ *  @param kn Object knote
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel Policy label for the pipe
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive the knote on the passed pipe.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_pipe_check_kqfilter_t(
        kauth_cred_t cred,
        struct knote *kn,
        struct pipe *cpipe,
        struct label *pipelabel
 typedef int mpo_pipe_check_kqfilter_t(
        kauth_cred_t cred,
        struct knote *kn,
        struct pipe *cpipe,
        struct label *pipelabel

-);
+       );

 /**
 /**

-  @brief Access control check for pipe relabel
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The current label on the pipe
-  @param newlabel The new label to be used
-
-  Determine whether the subject identified by the credential can
-  perform a relabel operation on the passed pipe.  The cred object holds
-  the credentials of the subject performing the operation.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe relabel
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The current label on the pipe
+ *  @param newlabel The new label to be used
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a relabel operation on the passed pipe.  The cred object holds
+ *  the credentials of the subject performing the operation.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_label_update_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        struct label *newlabel
 typedef int mpo_pipe_check_label_update_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Access control check for pipe read
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The label on the pipe
-
-  Determine whether the subject identified by the credential can
-  perform a read operation on the passed pipe.  The cred object holds
-  the credentials of the subject performing the operation.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe read
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The label on the pipe
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a read operation on the passed pipe.  The cred object holds
+ *  the credentials of the subject performing the operation.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_read_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel
 typedef int mpo_pipe_check_read_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel

-);
+       );

 /**
 /**

-  @brief Access control check for pipe select
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The label on the pipe
-  @param which The operation selected on: FREAD or FWRITE
-
-  Determine whether the subject identified by the credential can
-  perform a select operation on the passed pipe.  The cred object holds
-  the credentials of the subject performing the operation.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe select
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The label on the pipe
+ *  @param which The operation selected on: FREAD or FWRITE
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a select operation on the passed pipe.  The cred object holds
+ *  the credentials of the subject performing the operation.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_select_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        int which
 typedef int mpo_pipe_check_select_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        int which

-);
+       );

 /**
 /**

-  @brief Access control check for pipe stat
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The label on the pipe
-
-  Determine whether the subject identified by the credential can
-  perform a stat operation on the passed pipe.  The cred object holds
-  the credentials of the subject performing the operation.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe stat
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The label on the pipe
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a stat operation on the passed pipe.  The cred object holds
+ *  the credentials of the subject performing the operation.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_stat_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel
 typedef int mpo_pipe_check_stat_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel

-);
+       );

 /**
 /**

-  @brief Access control check for pipe write
-  @param cred Subject credential
-  @param cpipe Object to be accessed
-  @param pipelabel The label on the pipe
-
-  Determine whether the subject identified by the credential can
-  perform a write operation on the passed pipe.  The cred object holds
-  the credentials of the subject performing the operation.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-
-*/
+ *  @brief Access control check for pipe write
+ *  @param cred Subject credential
+ *  @param cpipe Object to be accessed
+ *  @param pipelabel The label on the pipe
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a write operation on the passed pipe.  The cred object holds
+ *  the credentials of the subject performing the operation.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ */

 typedef int mpo_pipe_check_write_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel
 typedef int mpo_pipe_check_write_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel

-);
+       );

 /**
 /**

-  @brief Create a pipe label
-  @param cred Subject credential
-  @param cpipe object to be labeled
-  @param label Label for the pipe object
-
-  Create a label for the pipe object being created by the supplied
-  user credential. This call is made when the pipe is being created
-  XXXPIPE(for one or both sides of the pipe?).
-
-*/
+ *  @brief Create a pipe label
+ *  @param cred Subject credential
+ *  @param cpipe object to be labeled
+ *  @param pipelabel Label for the pipe object
+ *
+ *  Create a label for the pipe object being created by the supplied
+ *  user credential. This call is made when the pipe is being created
+ *  XXXPIPE(for one or both sides of the pipe?).
+ *
+ */

 typedef void mpo_pipe_label_associate_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel
 typedef void mpo_pipe_label_associate_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *pipelabel

-);
+       );

 /**
 /**

-  @brief Copy a pipe label
-  @param src Source pipe label
-  @param dest Destination pipe label
-
-  Copy the pipe label associated with src to dest.
-  XXXPIPE Describe when this is used: most likely during pipe creation to
-          copy from rpipe to wpipe.
-*/
+ *  @brief Copy a pipe label
+ *  @param src Source pipe label
+ *  @param dest Destination pipe label
+ *
+ *  Copy the pipe label associated with src to dest.
+ *  XXXPIPE Describe when this is used: most likely during pipe creation to
+ *         copy from rpipe to wpipe.
+ */

 typedef void mpo_pipe_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_pipe_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

-  @brief Destroy pipe label
-  @param label The label to be destroyed
-
-  Destroy a pipe label.  Since the object is going out of scope,
-  policy modules should free any internal storage associated with the
-  label so that it may be destroyed.
-*/
+ *  @brief Destroy pipe label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a pipe label.  Since the object is going out of scope,
+ *  policy modules should free any internal storage associated with the
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_pipe_label_destroy_t(
        struct label *label
 typedef void mpo_pipe_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a pipe label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a pipe.
-  An externalized label consists of a text representation
-  of the label contents that can be used with user applications.
-  Policy-agnostic user space tools will display this externalized
-  version.
-
-  The policy's externalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a pipe label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on a pipe.
+ *  An externalized label consists of a text representation
+ *  of the label contents that can be used with user applications.
+ *  Policy-agnostic user space tools will display this externalized
+ *  version.
+ *
+ *  The policy's externalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_pipe_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_pipe_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize pipe label
-  @param label New label to initialize
-
-  Initialize label storage for use with a newly instantiated pipe object.
-  Sleeping is permitted.
-*/
+ *  @brief Initialize pipe label
+ *  @param label New label to initialize
+ *
+ *  Initialize label storage for use with a newly instantiated pipe object.
+ *  Sleeping is permitted.
+ */

 typedef void mpo_pipe_label_init_t(
        struct label *label
 typedef void mpo_pipe_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Internalize a pipe label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce a pipe label from an external representation.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-
-*/
+ *  @brief Internalize a pipe label
+ *  @param label Label to be internalized
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce a pipe label from an external representation.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will forward text version to the kernel for
+ *  processing by individual policy modules.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, Otherwise, return non-zero if an error occurs
+ *  while internalizing the label data.
+ *
+ */

 typedef int mpo_pipe_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_pipe_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
-/**
-  @brief Update a pipe label
-  @param cred Subject credential
-  @param cpipe Object to be labeled
-  @param oldlabel Existing pipe label
-  @param newlabel New label to replace existing label
-  @see mpo_pipe_check_label_update_t
-
-  The subject identified by the credential has previously requested
-  and was authorized to relabel the pipe; this entry point allows
-  policies to perform the actual relabel operation.  Policies should
-  update oldlabel using the label stored in the newlabel parameter.
-
-*/
+       );
+/**
+ *  @brief Update a pipe label
+ *  @param cred Subject credential
+ *  @param cpipe Object to be labeled
+ *  @param oldlabel Existing pipe label
+ *  @param newlabel New label to replace existing label
+ *  @see mpo_pipe_check_label_update_t
+ *
+ *  The subject identified by the credential has previously requested
+ *  and was authorized to relabel the pipe; this entry point allows
+ *  policies to perform the actual relabel operation.  Policies should
+ *  update oldlabel using the label stored in the newlabel parameter.
+ *
+ */

 typedef void mpo_pipe_label_update_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *oldlabel,
        struct label *newlabel
 typedef void mpo_pipe_label_update_t(
        kauth_cred_t cred,
        struct pipe *cpipe,
        struct label *oldlabel,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Policy unload event
-  @param mpc MAC policy configuration
-
-  This is the MAC Framework policy unload event.  This entry point will
-  only be called if the module's policy configuration allows unload (if
-  the MPC_LOADTIME_FLAG_UNLOADOK is set).  Most security policies won't
-  want to be unloaded; they should set their flags to prevent this
-  entry point from being called.
-
-  @warning During this call, the mac policy list mutex is held, so
-  sleep operations cannot be performed, and calls out to other kernel
-  subsystems must be made with caution.
-
-  @see MPC_LOADTIME_FLAG_UNLOADOK
-*/
+ *  @brief Policy unload event
+ *  @param mpc MAC policy configuration
+ *
+ *  This is the MAC Framework policy unload event.  This entry point will
+ *  only be called if the module's policy configuration allows unload (if
+ *  the MPC_LOADTIME_FLAG_UNLOADOK is set).  Most security policies won't
+ *  want to be unloaded; they should set their flags to prevent this
+ *  entry point from being called.
+ *
+ *  @warning During this call, the mac policy list mutex is held, so
+ *  sleep operations cannot be performed, and calls out to other kernel
+ *  subsystems must be made with caution.
+ *
+ *  @see MPC_LOADTIME_FLAG_UNLOADOK
+ */

 typedef void mpo_policy_destroy_t(
        struct mac_policy_conf *mpc
 typedef void mpo_policy_destroy_t(
        struct mac_policy_conf *mpc

-);
+       );

 /**
 /**

-  @brief Policy initialization event
-  @param mpc MAC policy configuration
-  @see mac_policy_register
-  @see mpo_policy_initbsd_t
-
-  This is the MAC Framework policy initialization event.  This entry
-  point is called during mac_policy_register, when the policy module
-  is first registered with the MAC Framework.  This is often done very
-  early in the boot process, after the kernel Mach subsystem has been
-  initialized, but prior to the BSD subsystem being initialized.
-  Since the kernel BSD services are not yet available, it is possible
-  that some initialization must occur later, possibly in the
-  mpo_policy_initbsd_t policy entry point, such as registering BSD system
-  controls (sysctls).  Policy modules loaded at boot time will be
-  registered and initialized before labeled Mach objects are created.
-
-  @warning During this call, the mac policy list mutex is held, so
-  sleep operations cannot be performed, and calls out to other kernel
-  subsystems must be made with caution.
-*/
+ *  @brief Policy initialization event
+ *  @param mpc MAC policy configuration
+ *  @see mac_policy_register
+ *  @see mpo_policy_initbsd_t
+ *
+ *  This is the MAC Framework policy initialization event.  This entry
+ *  point is called during mac_policy_register, when the policy module
+ *  is first registered with the MAC Framework.  This is often done very
+ *  early in the boot process, after the kernel Mach subsystem has been
+ *  initialized, but prior to the BSD subsystem being initialized.
+ *  Since the kernel BSD services are not yet available, it is possible
+ *  that some initialization must occur later, possibly in the
+ *  mpo_policy_initbsd_t policy entry point, such as registering BSD system
+ *  controls (sysctls).  Policy modules loaded at boot time will be
+ *  registered and initialized before labeled Mach objects are created.
+ *
+ *  @warning During this call, the mac policy list mutex is held, so
+ *  sleep operations cannot be performed, and calls out to other kernel
+ *  subsystems must be made with caution.
+ */

 typedef void mpo_policy_init_t(
        struct mac_policy_conf *mpc
 typedef void mpo_policy_init_t(
        struct mac_policy_conf *mpc

-);
+       );

 /**
 /**

-  @brief Policy BSD initialization event
-  @param mpc MAC policy configuration
-  @see mpo_policy_init_t
-
-  This entry point is called after the kernel BSD subsystem has been
-  initialized.  By this point, the module should already be loaded,
-  registered, and initialized.  Since policy modules are initialized
-  before kernel BSD services are available, this second initialization
-  phase is necessary.  At this point, BSD services (memory management,
-  synchronization primitives, vfs, etc.) are available, but the first
-  process has not yet been created.  Mach-related objects and tasks
-  will already be fully initialized and may be in use--policies requiring
-  ubiquitous labeling may also want to implement mpo_policy_init_t.
-
-  @warning During this call, the mac policy list mutex is held, so
-  sleep operations cannot be performed, and calls out to other kernel
-  subsystems must be made with caution.
-*/
+ *  @brief Policy BSD initialization event
+ *  @param mpc MAC policy configuration
+ *  @see mpo_policy_init_t
+ *
+ *  This entry point is called after the kernel BSD subsystem has been
+ *  initialized.  By this point, the module should already be loaded,
+ *  registered, and initialized.  Since policy modules are initialized
+ *  before kernel BSD services are available, this second initialization
+ *  phase is necessary.  At this point, BSD services (memory management,
+ *  synchronization primitives, vfs, etc.) are available, but the first
+ *  process has not yet been created.  Mach-related objects and tasks
+ *  will already be fully initialized and may be in use--policies requiring
+ *  ubiquitous labeling may also want to implement mpo_policy_init_t.
+ *
+ *  @warning During this call, the mac policy list mutex is held, so
+ *  sleep operations cannot be performed, and calls out to other kernel
+ *  subsystems must be made with caution.
+ */

 typedef void mpo_policy_initbsd_t(
        struct mac_policy_conf *mpc
 typedef void mpo_policy_initbsd_t(
        struct mac_policy_conf *mpc

-);
+       );

 /**
 /**

-  @brief Policy extension service
-  @param p Calling process
-  @param call Policy-specific syscall number
-  @param arg Pointer to syscall arguments
-
-  This entry point provides a policy-multiplexed system call so that
-  policies may provide additional services to user processes without
-  registering specific system calls. The policy name provided during
-  registration is used to demux calls from userland, and the arguments
-  will be forwarded to this entry point.  When implementing new
-  services, security modules should be sure to invoke appropriate
-  access control checks from the MAC framework as needed.  For
-  example, if a policy implements an augmented signal functionality,
-  it should call the necessary signal access control checks to invoke
-  the MAC framework and other registered policies.
-
-  @warning Since the format and contents of the policy-specific
-  arguments are unknown to the MAC Framework, modules must perform the
-  required copyin() of the syscall data on their own.  No policy
-  mediation is performed, so policies must perform any necessary
-  access control checks themselves.  If multiple policies are loaded,
-  they will currently be unable to mediate calls to other policies.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Policy extension service
+ *  @param p Calling process
+ *  @param call Policy-specific syscall number
+ *  @param arg Pointer to syscall arguments
+ *
+ *  This entry point provides a policy-multiplexed system call so that
+ *  policies may provide additional services to user processes without
+ *  registering specific system calls. The policy name provided during
+ *  registration is used to demux calls from userland, and the arguments
+ *  will be forwarded to this entry point.  When implementing new
+ *  services, security modules should be sure to invoke appropriate
+ *  access control checks from the MAC framework as needed.  For
+ *  example, if a policy implements an augmented signal functionality,
+ *  it should call the necessary signal access control checks to invoke
+ *  the MAC framework and other registered policies.
+ *
+ *  @warning Since the format and contents of the policy-specific
+ *  arguments are unknown to the MAC Framework, modules must perform the
+ *  required copyin() of the syscall data on their own.  No policy
+ *  mediation is performed, so policies must perform any necessary
+ *  access control checks themselves.  If multiple policies are loaded,
+ *  they will currently be unable to mediate calls to other policies.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_policy_syscall_t(
        struct proc *p,
        int call,
        user_addr_t arg
 typedef int mpo_policy_syscall_t(
        struct proc *p,
        int call,
        user_addr_t arg

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX semaphore create
-  @param cred Subject credential
-  @param name String name of the semaphore
-
-  Determine whether the subject identified by the credential can create
-  a POSIX semaphore specified by name.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX semaphore create
+ *  @param cred Subject credential
+ *  @param name String name of the semaphore
+ *
+ *  Determine whether the subject identified by the credential can create
+ *  a POSIX semaphore specified by name.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixsem_check_create_t(
        kauth_cred_t cred,
        const char *name
 typedef int mpo_posixsem_check_create_t(
        kauth_cred_t cred,
        const char *name

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX semaphore open
-  @param cred Subject credential
-  @param ps Pointer to semaphore information structure
-  @param semlabel Label associated with the semaphore
-
-  Determine whether the subject identified by the credential can open
-  the named POSIX semaphore with label semlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX semaphore open
+ *  @param cred Subject credential
+ *  @param ps Pointer to semaphore information structure
+ *  @param semlabel Label associated with the semaphore
+ *
+ *  Determine whether the subject identified by the credential can open
+ *  the named POSIX semaphore with label semlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixsem_check_open_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel
 typedef int mpo_posixsem_check_open_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX semaphore post
-  @param cred Subject credential
-  @param ps Pointer to semaphore information structure
-  @param semlabel Label associated with the semaphore
-
-  Determine whether the subject identified by the credential can unlock
-  the named POSIX semaphore with label semlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX semaphore post
+ *  @param cred Subject credential
+ *  @param ps Pointer to semaphore information structure
+ *  @param semlabel Label associated with the semaphore
+ *
+ *  Determine whether the subject identified by the credential can unlock
+ *  the named POSIX semaphore with label semlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixsem_check_post_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel
 typedef int mpo_posixsem_check_post_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX semaphore unlink
-  @param cred Subject credential
-  @param ps Pointer to semaphore information structure
-  @param semlabel Label associated with the semaphore
-  @param name String name of the semaphore
-
-  Determine whether the subject identified by the credential can remove
-  the named POSIX semaphore with label semlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX semaphore unlink
+ *  @param cred Subject credential
+ *  @param ps Pointer to semaphore information structure
+ *  @param semlabel Label associated with the semaphore
+ *  @param name String name of the semaphore
+ *
+ *  Determine whether the subject identified by the credential can remove
+ *  the named POSIX semaphore with label semlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixsem_check_unlink_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel,
        const char *name
 typedef int mpo_posixsem_check_unlink_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel,
        const char *name

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX semaphore wait
-  @param cred Subject credential
-  @param ps Pointer to semaphore information structure
-  @param semlabel Label associated with the semaphore
-
-  Determine whether the subject identified by the credential can lock
-  the named POSIX semaphore with label semlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX semaphore wait
+ *  @param cred Subject credential
+ *  @param ps Pointer to semaphore information structure
+ *  @param semlabel Label associated with the semaphore
+ *
+ *  Determine whether the subject identified by the credential can lock
+ *  the named POSIX semaphore with label semlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixsem_check_wait_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel
 typedef int mpo_posixsem_check_wait_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel

-);
+       );

 /**
 /**

-  @brief Create a POSIX semaphore label
-  @param cred Subject credential
-  @param ps Pointer to semaphore information structure
-  @param semlabel Label to associate with the new semaphore
-  @param name String name of the semaphore
-
-  Label a new POSIX semaphore.  The label was previously
-  initialized and associated with the semaphore.  At this time, an
-  appropriate initial label value should be assigned to the object and
-  stored in semalabel.
-*/
+ *  @brief Create a POSIX semaphore label
+ *  @param cred Subject credential
+ *  @param ps Pointer to semaphore information structure
+ *  @param semlabel Label to associate with the new semaphore
+ *  @param name String name of the semaphore
+ *
+ *  Label a new POSIX semaphore.  The label was previously
+ *  initialized and associated with the semaphore.  At this time, an
+ *  appropriate initial label value should be assigned to the object and
+ *  stored in semalabel.
+ */

 typedef void mpo_posixsem_label_associate_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel,
        const char *name
 typedef void mpo_posixsem_label_associate_t(
        kauth_cred_t cred,
        struct pseminfo *ps,
        struct label *semlabel,
        const char *name

-);
+       );

 /**
 /**

-  @brief Destroy POSIX semaphore label
-  @param label The label to be destroyed
-
-  Destroy a POSIX semaphore label.  Since the object is
-  going out of scope, policy modules should free any internal storage
-  associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy POSIX semaphore label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a POSIX semaphore label.  Since the object is
+ *  going out of scope, policy modules should free any internal storage
+ *  associated with the label so that it may be destroyed.
+ */

 typedef void mpo_posixsem_label_destroy_t(
        struct label *label
 typedef void mpo_posixsem_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize POSIX semaphore label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated POSIX semaphore. Sleeping
-  is permitted.
-*/
+ *  @brief Initialize POSIX semaphore label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated POSIX semaphore. Sleeping
+ *  is permitted.
+ */

 typedef void mpo_posixsem_label_init_t(
        struct label *label
 typedef void mpo_posixsem_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX shared memory region create
-  @param cred Subject credential
-  @param name String name of the shared memory region
-
-  Determine whether the subject identified by the credential can create
-  the POSIX shared memory region referenced by name.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX shared memory region create
+ *  @param cred Subject credential
+ *  @param name String name of the shared memory region
+ *
+ *  Determine whether the subject identified by the credential can create
+ *  the POSIX shared memory region referenced by name.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_create_t(
        kauth_cred_t cred,
        const char *name
 typedef int mpo_posixshm_check_create_t(
        kauth_cred_t cred,
        const char *name

-);
-/**
-  @brief Access control check for mapping POSIX shared memory
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label associated with the shared memory region
-  @param prot mmap protections; see mmap(2)
-  @param flags shmat flags; see shmat(2)
-
-  Determine whether the subject identified by the credential can map
-  the POSIX shared memory segment associated with shmlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for mapping POSIX shared memory
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label associated with the shared memory region
+ *  @param prot mmap protections; see mmap(2)
+ *  @param flags shmat flags; see shmat(2)
+ *
+ *  Determine whether the subject identified by the credential can map
+ *  the POSIX shared memory segment associated with shmlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_mmap_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        int prot,
        int flags
 typedef int mpo_posixshm_check_mmap_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        int prot,
        int flags

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX shared memory region open
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label associated with the shared memory region
-  @param fflags shm_open(2) open flags ('fflags' encoded)
-
-  Determine whether the subject identified by the credential can open
-  the POSIX shared memory region.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX shared memory region open
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label associated with the shared memory region
+ *  @param fflags shm_open(2) open flags ('fflags' encoded)
+ *
+ *  Determine whether the subject identified by the credential can open
+ *  the POSIX shared memory region.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_open_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        int fflags
 typedef int mpo_posixshm_check_open_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        int fflags

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX shared memory stat
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label associated with the shared memory region
-
-  Determine whether the subject identified by the credential can obtain
-  status for the POSIX shared memory segment associated with shmlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX shared memory stat
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label associated with the shared memory region
+ *
+ *  Determine whether the subject identified by the credential can obtain
+ *  status for the POSIX shared memory segment associated with shmlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_stat_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel
 typedef int mpo_posixshm_check_stat_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX shared memory truncate
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label associated with the shared memory region
-  @param len Length to truncate or extend shared memory segment
-
-  Determine whether the subject identified by the credential can truncate
-  or extend (to len) the POSIX shared memory segment associated with shmlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX shared memory truncate
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label associated with the shared memory region
+ *  @param len Length to truncate or extend shared memory segment
+ *
+ *  Determine whether the subject identified by the credential can truncate
+ *  or extend (to len) the POSIX shared memory segment associated with shmlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_truncate_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        off_t len
 typedef int mpo_posixshm_check_truncate_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        off_t len

-);
+       );

 /**
 /**

-  @brief Access control check for POSIX shared memory unlink
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label associated with the shared memory region
-  @param name String name of the shared memory region
-
-  Determine whether the subject identified by the credential can delete
-  the POSIX shared memory segment associated with shmlabel.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for POSIX shared memory unlink
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label associated with the shared memory region
+ *  @param name String name of the shared memory region
+ *
+ *  Determine whether the subject identified by the credential can delete
+ *  the POSIX shared memory segment associated with shmlabel.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_posixshm_check_unlink_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        const char *name
 typedef int mpo_posixshm_check_unlink_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        const char *name

-);
+       );

 /**
 /**

-  @brief Create a POSIX shared memory region label
-  @param cred Subject credential
-  @param ps Pointer to shared memory information structure
-  @param shmlabel Label to associate with the new shared memory region
-  @param name String name of the shared memory region
-
-  Label a new POSIX shared memory region.  The label was previously
-  initialized and associated with the shared memory region.  At this
-  time, an appropriate initial label value should be assigned to the
-  object and stored in shmlabel.
-*/
+ *  @brief Create a POSIX shared memory region label
+ *  @param cred Subject credential
+ *  @param ps Pointer to shared memory information structure
+ *  @param shmlabel Label to associate with the new shared memory region
+ *  @param name String name of the shared memory region
+ *
+ *  Label a new POSIX shared memory region.  The label was previously
+ *  initialized and associated with the shared memory region.  At this
+ *  time, an appropriate initial label value should be assigned to the
+ *  object and stored in shmlabel.
+ */

 typedef void mpo_posixshm_label_associate_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        const char *name
 typedef void mpo_posixshm_label_associate_t(
        kauth_cred_t cred,
        struct pshminfo *ps,
        struct label *shmlabel,
        const char *name

-);
+       );

 /**
 /**

-  @brief Destroy POSIX shared memory label
-  @param label The label to be destroyed
-
-  Destroy a POSIX shared memory region label.  Since the
-  object is going out of scope, policy modules should free any
-  internal storage associated with the label so that it may be
-  destroyed.
-*/
+ *  @brief Destroy POSIX shared memory label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a POSIX shared memory region label.  Since the
+ *  object is going out of scope, policy modules should free any
+ *  internal storage associated with the label so that it may be
+ *  destroyed.
+ */

 typedef void mpo_posixshm_label_destroy_t(
        struct label *label
 typedef void mpo_posixshm_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize POSIX Shared Memory region label
-  @param label New label to initialize
-
-  Initialize the label for newly a instantiated POSIX Shared Memory
-  region. Sleeping is permitted.
-*/
+ *  @brief Initialize POSIX Shared Memory region label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for newly a instantiated POSIX Shared Memory
+ *  region. Sleeping is permitted.
+ */

 typedef void mpo_posixshm_label_init_t(
        struct label *label
 typedef void mpo_posixshm_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

- @brief Access control check for privileged operations
- @param cred Subject credential
- @param priv Requested privilege (see sys/priv.h)
-
- Determine whether the subject identified by the credential can perform
- a privileged operation.  Privileged operations are allowed if the cred
- is the superuser or any policy returns zero for mpo_priv_grant, unless
- any policy returns nonzero for mpo_priv_check.
-
- @return Return 0 if access is granted, otherwise EPERM should be returned.
-*/
+ *  @brief Access control check for privileged operations
+ *  @param cred Subject credential
+ *  @param priv Requested privilege (see sys/priv.h)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  a privileged operation.  Privileged operations are allowed if the cred
+ *  is the superuser or any policy returns zero for mpo_priv_grant, unless
+ *  any policy returns nonzero for mpo_priv_check.
+ *
+ *  @return Return 0 if access is granted, otherwise EPERM should be returned.
+ */

 typedef int mpo_priv_check_t(
        kauth_cred_t cred,
        int priv
 typedef int mpo_priv_check_t(
        kauth_cred_t cred,
        int priv

-);
+       );

 /**
 /**

- @brief Grant regular users the ability to perform privileged operations
- @param cred Subject credential
- @param priv Requested privilege (see sys/priv.h)
-
- Determine whether the subject identified by the credential should be
- allowed to perform a privileged operation that in the absense of any
- MAC policy it would not be able to perform.  Privileged operations are
- allowed if the cred is the superuser or any policy returns zero for
- mpo_priv_grant, unless any policy returns nonzero for mpo_priv_check.
-
- Unlike other MAC hooks which can only reduce the privilege of a
- credential, this hook raises the privilege of a credential when it
- returns 0.  Extreme care must be taken when implementing this hook to
- avoid undermining the security of the system.
-
- @return Return 0 if additional privilege is granted, otherwise EPERM
- should be returned.
-*/
+ *  @brief Grant regular users the ability to perform privileged operations
+ *  @param cred Subject credential
+ *  @param priv Requested privilege (see sys/priv.h)
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to perform a privileged operation that in the absense of any
+ *  MAC policy it would not be able to perform.  Privileged operations are
+ *  allowed if the cred is the superuser or any policy returns zero for
+ *  mpo_priv_grant, unless any policy returns nonzero for mpo_priv_check.
+ *
+ *  Unlike other MAC hooks which can only reduce the privilege of a
+ *  credential, this hook raises the privilege of a credential when it
+ *  returns 0.  Extreme care must be taken when implementing this hook to
+ *  avoid undermining the security of the system.
+ *
+ *  @return Return 0 if additional privilege is granted, otherwise EPERM
+ *  should be returned.
+ */

 typedef int mpo_priv_grant_t(
        kauth_cred_t cred,
        int priv
 typedef int mpo_priv_grant_t(
        kauth_cred_t cred,
        int priv

-);
+       );

 /**
 /**

-  @brief Access control check for debugging process
-  @param cred Subject credential
-  @param proc Object process
-
-  Determine whether the subject identified by the credential can debug
-  the passed process. This call may be made in a number of situations,
-  including use of the ptrace(2) and ktrace(2) APIs, as well as for some
-  types of procfs operations.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
-*/
+ *  @brief Access control over process core dumps
+ *  @param proc Subject process
+ *
+ *  Determine whether a core dump may be written to disk for the subject
+ *  identified.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_proc_check_dump_core_t(
+       struct proc *proc
+       );
+/**
+ *  @brief Access control check for debugging process
+ *  @param cred Subject credential
+ *  @param proc Object process
+ *
+ *  Determine whether the subject identified by the credential can debug
+ *  the passed process. This call may be made in a number of situations,
+ *  including use of the ptrace(2) and ktrace(2) APIs, as well as for some
+ *  types of procfs operations.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
+ */

 typedef int mpo_proc_check_debug_t(
        kauth_cred_t cred,
        struct proc *proc
 typedef int mpo_proc_check_debug_t(
        kauth_cred_t cred,
        struct proc *proc

-);
+       );

 /**
 /**

-  @brief Access control over fork
-  @param cred Subject credential
-  @param proc Subject process trying to fork
-
-  Determine whether the subject identified is allowed to fork.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control over fork
+ *  @param cred Subject credential
+ *  @param proc Subject process trying to fork
+ *
+ *  Determine whether the subject identified is allowed to fork.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_fork_t(
        kauth_cred_t cred,
        struct proc *proc
 typedef int mpo_proc_check_fork_t(
        kauth_cred_t cred,
        struct proc *proc

-);
+       );

 /**
 /**

-  @brief Access control over pid_suspend and pid_resume
-  @param cred Subject credential
-  @param proc Subject process trying to run pid_suspend or pid_resume 
-  @param sr Call is suspend (0) or resume (1)
-
-  Determine whether the subject identified is allowed to suspend or resume
-  other processes.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting host special ports.
+ *  @param cred Subject credential
+ *  @param id The host special port to set
+ *  @param port The new value to set for the special port
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_proc_check_set_host_special_port_t(
+       kauth_cred_t cred,
+       int id,
+       struct ipc_port *port
+       );
+/**
+ *  @brief Access control check for setting host exception ports.
+ *  @param cred Subject credential
+ *  @param exception Exception port to set
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_proc_check_set_host_exception_port_t(
+       kauth_cred_t cred,
+       unsigned int exception
+       );
+/**
+ *  @brief Access control over pid_suspend and pid_resume
+ *  @param cred Subject credential
+ *  @param proc Subject process trying to run pid_suspend or pid_resume
+ *  @param sr Call is suspend (0) or resume (1)
+ *
+ *  Determine whether the subject identified is allowed to suspend or resume
+ *  other processes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_suspend_resume_t(
        kauth_cred_t cred,
        struct proc *proc,
        int sr
 typedef int mpo_proc_check_suspend_resume_t(
        kauth_cred_t cred,
        struct proc *proc,
        int sr

-);
+       );

 /**
 /**

-  @brief Access control check for retrieving audit information
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can get
-  audit information such as the audit user ID, the preselection mask,
-  the terminal ID and the audit session ID, using the getaudit() system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for retrieving audit information
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  audit information such as the audit user ID, the preselection mask,
+ *  the terminal ID and the audit session ID, using the getaudit() system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_getaudit_t(
        kauth_cred_t cred
 typedef int mpo_proc_check_getaudit_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control check for retrieving audit user ID
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can get
-  the user identity being used by the auditing system, using the getauid()
-  system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for retrieving audit user ID
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  the user identity being used by the auditing system, using the getauid()
+ *  system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_getauid_t(
        kauth_cred_t cred
 typedef int mpo_proc_check_getauid_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control check for retrieving Login Context ID
-  @param p0 Calling process
-  @param p Effected process
-  @param pid syscall PID argument
-
-  Determine if getlcid(2) system call is permitted.
-
-  Information returned by this system call is similar to that returned via
-  process listings etc.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for retrieving Login Context ID
+ *  @param p0 Calling process
+ *  @param p Effected process
+ *  @param pid syscall PID argument
+ *
+ *  Determine if getlcid(2) system call is permitted.
+ *
+ *  Information returned by this system call is similar to that returned via
+ *  process listings etc.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_getlcid_t(
        struct proc *p0,
        struct proc *p,
        pid_t pid
 typedef int mpo_proc_check_getlcid_t(
        struct proc *p0,
        struct proc *p,
        pid_t pid

-);
+       );

 /**
 /**

-  @brief Access control check for retrieving ledger information
-  @param cred Subject credential
-  @param target Object process
-  @param op ledger operation
-
-  Determine if ledger(2) system call is permitted.
-
-  Information returned by this system call is similar to that returned via
-  process listings etc.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for retrieving ledger information
+ *  @param cred Subject credential
+ *  @param target Object process
+ *  @param op ledger operation
+ *
+ *  Determine if ledger(2) system call is permitted.
+ *
+ *  Information returned by this system call is similar to that returned via
+ *  process listings etc.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_ledger_t(
        kauth_cred_t cred,
        struct proc *target,
        int op
 typedef int mpo_proc_check_ledger_t(
        kauth_cred_t cred,
        struct proc *target,
        int op

-);
+       );

 /**
 /**

-  @brief Access control check for escaping default CPU usage monitor parameters.
-  @param cred Subject credential
-  
-  Determine if a credential has permission to program CPU usage monitor parameters
-  that are less restrictive than the global system-wide defaults.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
-typedef int mpo_proc_check_cpumon_t(
-  kauth_cred_t cred
-);
-/**
-  @brief Access control check for retrieving process information.
-  @param cred Subject credential
-  @param target Target process (may be null, may be zombie)
-
-  Determine if a credential has permission to access process information as defined
-  by call number and flavor on target process
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for retrieving process information.
+ *  @param cred Subject credential
+ *  @param target Target process (may be null, may be zombie)
+ *
+ *  Determine if a credential has permission to access process information as defined
+ *  by call number and flavor on target process
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_proc_info_t(
        kauth_cred_t cred,
        struct proc *target,
        int callnum,
        int flavor
 typedef int mpo_proc_check_proc_info_t(
        kauth_cred_t cred,
        struct proc *target,
        int callnum,
        int flavor

-);
-/**
-  @brief Access control check for mmap MAP_ANON
-  @param proc User process requesting the memory
-  @param cred Subject credential
-  @param u_addr Start address of the memory range
-  @param u_size Length address of the memory range
-  @param prot mmap protections; see mmap(2)
-  @param flags Type of mapped object; see mmap(2)
-  @param maxprot Maximum rights
-
-  Determine whether the subject identified by the credential should be
-  allowed to obtain anonymous memory using the specified flags and 
-  protections on the new mapping. MAP_ANON will always be present in the
-  flags. Certain combinations of flags with a non-NULL addr may
-  cause a mapping to be rejected before this hook is called. The maxprot field
-  holds the maximum permissions on the new mapping, a combination of
-  VM_PROT_READ, VM_PROT_WRITE and VM_PROT_EXECUTE. To avoid overriding prior
-  access control checks, a policy should only remove flags from maxprot.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for retrieving code signing information.
+ *  @param cred Subject credential
+ *  @param target Target process
+ *  @param op Code signing operation being performed
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to get code signing information about the target process.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_proc_check_get_cs_info_t(
+       kauth_cred_t cred,
+       struct proc *target,
+       unsigned int op
+       );
+/**
+ *  @brief Access control check for setting code signing information.
+ *  @param cred Subject credential
+ *  @param target Target process
+ *  @param op Code signing operation being performed.
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to set code signing information about the target process.
+ *
+ *  @return Return 0 if permission is granted, otherwise an appropriate
+ *  value of errno should be returned.
+ */
+typedef int mpo_proc_check_set_cs_info_t(
+       kauth_cred_t cred,
+       struct proc *target,
+       unsigned int op
+       );
+/**
+ *  @brief Access control check for mmap MAP_ANON
+ *  @param proc User process requesting the memory
+ *  @param cred Subject credential
+ *  @param u_addr Start address of the memory range
+ *  @param u_size Length address of the memory range
+ *  @param prot mmap protections; see mmap(2)
+ *  @param flags Type of mapped object; see mmap(2)
+ *  @param maxprot Maximum rights
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to obtain anonymous memory using the specified flags and
+ *  protections on the new mapping. MAP_ANON will always be present in the
+ *  flags. Certain combinations of flags with a non-NULL addr may
+ *  cause a mapping to be rejected before this hook is called. The maxprot field
+ *  holds the maximum permissions on the new mapping, a combination of
+ *  VM_PROT_READ, VM_PROT_WRITE and VM_PROT_EXECUTE. To avoid overriding prior
+ *  access control checks, a policy should only remove flags from maxprot.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EPERM for lack of privilege.
+ */

 typedef int mpo_proc_check_map_anon_t(
        struct proc *proc,
        kauth_cred_t cred,
 typedef int mpo_proc_check_map_anon_t(
        struct proc *proc,
        kauth_cred_t cred,


@@ -2879,1847 +2986,1963 @@ typedef int mpo_proc_check_map_anon_t(
        int prot,
        int flags,
        int *maxprot
        int prot,
        int flags,
        int *maxprot

-);
-/**
-  @brief Access control check for setting memory protections
-  @param cred Subject credential
-  @param proc User process requesting the change
-  @param addr Start address of the memory range
-  @param size Length address of the memory range
-  @param prot Memory protections, see mmap(2)
-
-  Determine whether the subject identified by the credential should
-  be allowed to set the specified memory protections on memory mapped
-  in the process proc.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for setting memory protections
+ *  @param cred Subject credential
+ *  @param proc User process requesting the change
+ *  @param addr Start address of the memory range
+ *  @param size Length address of the memory range
+ *  @param prot Memory protections, see mmap(2)
+ *
+ *  Determine whether the subject identified by the credential should
+ *  be allowed to set the specified memory protections on memory mapped
+ *  in the process proc.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_mprotect_t(
        kauth_cred_t cred,
        struct proc *proc,
        user_addr_t addr,
        user_size_t size,
        int prot
 typedef int mpo_proc_check_mprotect_t(
        kauth_cred_t cred,
        struct proc *proc,
        user_addr_t addr,
        user_size_t size,
        int prot

-);
+       );

 /**
 /**

-  @brief Access control check for changing scheduling parameters
-  @param cred Subject credential
-  @param proc Object process
-
-  Determine whether the subject identified by the credential can change
-  the scheduling parameters of the passed process.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to limit visibility.
-*/
+ *  @brief Access control check for changing scheduling parameters
+ *  @param cred Subject credential
+ *  @param proc Object process
+ *
+ *  Determine whether the subject identified by the credential can change
+ *  the scheduling parameters of the passed process.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to limit visibility.
+ */

 typedef int mpo_proc_check_sched_t(
        kauth_cred_t cred,
        struct proc *proc
 typedef int mpo_proc_check_sched_t(
        kauth_cred_t cred,
        struct proc *proc

-);
+       );

 /**
 /**

-  @brief Access control check for setting audit information
-  @param cred Subject credential
-  @param ai Audit information
-
-  Determine whether the subject identified by the credential can set
-  audit information such as the the preselection mask, the terminal ID
-  and the audit session ID, using the setaudit() system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting audit information
+ *  @param cred Subject credential
+ *  @param ai Audit information
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  audit information such as the the preselection mask, the terminal ID
+ *  and the audit session ID, using the setaudit() system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_setaudit_t(
        kauth_cred_t cred,
        struct auditinfo_addr *ai
 typedef int mpo_proc_check_setaudit_t(
        kauth_cred_t cred,
        struct auditinfo_addr *ai

-);
+       );

 /**
 /**

-  @brief Access control check for setting audit user ID
-  @param cred Subject credential
-  @param auid Audit user ID
-
-  Determine whether the subject identified by the credential can set
-  the user identity used by the auditing system, using the setauid()
-  system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting audit user ID
+ *  @param cred Subject credential
+ *  @param auid Audit user ID
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  the user identity used by the auditing system, using the setauid()
+ *  system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_setauid_t(
        kauth_cred_t cred,
        uid_t auid
 typedef int mpo_proc_check_setauid_t(
        kauth_cred_t cred,
        uid_t auid

-);
+       );

 /**
 /**

-  @brief Access control check for setting the Login Context
-  @param p0 Calling process
-  @param p Effected process
-  @param pid syscall PID argument
-  @param lcid syscall LCID argument
-
-  Determine if setlcid(2) system call is permitted.
-
-  See xnu/bsd/kern/kern_prot.c:setlcid() implementation for example of
-  decoding syscall arguments to determine action desired by caller.
-
-  Five distinct actions are possible: CREATE JOIN LEAVE ADOPT ORPHAN
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting the Login Context
+ *  @param p0 Calling process
+ *  @param p Effected process
+ *  @param pid syscall PID argument
+ *  @param lcid syscall LCID argument
+ *
+ *  Determine if setlcid(2) system call is permitted.
+ *
+ *  See xnu/bsd/kern/kern_prot.c:setlcid() implementation for example of
+ *  decoding syscall arguments to determine action desired by caller.
+ *
+ *  Five distinct actions are possible: CREATE JOIN LEAVE ADOPT ORPHAN
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_setlcid_t(
        struct proc *p0,
        struct proc *p,
        pid_t pid,
        pid_t lcid
 typedef int mpo_proc_check_setlcid_t(
        struct proc *p0,
        struct proc *p,
        pid_t pid,
        pid_t lcid

-);
+       );

 /**
 /**

-  @brief Access control check for delivering signal
-  @param cred Subject credential
-  @param proc Object process
-  @param signum Signal number; see kill(2)
-
-  Determine whether the subject identified by the credential can deliver
-  the passed signal to the passed process.
-
-  @warning Programs typically expect to be able to send and receive
-  signals as part or their normal process lifecycle; caution should be
-  exercised when implementing access controls over signal events.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to limit visibility.
-*/
+ *  @brief Access control check for delivering signal
+ *  @param cred Subject credential
+ *  @param proc Object process
+ *  @param signum Signal number; see kill(2)
+ *
+ *  Determine whether the subject identified by the credential can deliver
+ *  the passed signal to the passed process.
+ *
+ *  @warning Programs typically expect to be able to send and receive
+ *  signals as part or their normal process lifecycle; caution should be
+ *  exercised when implementing access controls over signal events.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to limit visibility.
+ */

 typedef int mpo_proc_check_signal_t(
        kauth_cred_t cred,
        struct proc *proc,
        int signum
 typedef int mpo_proc_check_signal_t(
        kauth_cred_t cred,
        struct proc *proc,
        int signum

-);
+       );

 /**
 /**

-  @brief Access control check for wait
-  @param cred Subject credential
-  @param proc Object process
-
-  Determine whether the subject identified by the credential can wait
-  for process termination.
-
-  @warning Caution should be exercised when implementing access
-  controls for wait, since programs often wait for child processes to
-  exit.  Failure to be notified of a child process terminating may
-  cause the parent process to hang, or may produce zombie processes.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for Unix syscalls.
+ *  @param proc Subject process
+ *  @param scnum Syscall number; see bsd/kern/syscalls.master.
+ *
+ *  Determine whether the subject process can perform the passed syscall (number).
+ *
+ *  @warning Programs typically expect to be able to make syscalls as part of
+ *  their normal process lifecycle; caution should be exercised when restricting
+ *  which syscalls a process can perform.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EPERM for lack of privilege.
+ */
+typedef int mpo_proc_check_syscall_unix_t(
+       struct proc *proc,
+       int scnum
+       );
+/**
+ *  @brief Access control check for wait
+ *  @param cred Subject credential
+ *  @param proc Object process
+ *
+ *  Determine whether the subject identified by the credential can wait
+ *  for process termination.
+ *
+ *  @warning Caution should be exercised when implementing access
+ *  controls for wait, since programs often wait for child processes to
+ *  exit.  Failure to be notified of a child process terminating may
+ *  cause the parent process to hang, or may produce zombie processes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_proc_check_wait_t(
        kauth_cred_t cred,
        struct proc *proc
 typedef int mpo_proc_check_wait_t(
        kauth_cred_t cred,
        struct proc *proc

-);
-/**
-  @brief Destroy process label
-  @param label The label to be destroyed
-
-  Destroy a process label.  Since the object is going
-  out of scope, policy modules should free any internal storage
-  associated with the label so that it may be destroyed.
-*/
-typedef void mpo_proc_label_destroy_t(
-       struct label *label
-);
+       );

 /**
 /**

-  @brief Initialize process label
-  @param label New label to initialize
-  @see mpo_cred_label_init_t
-
-  Initialize the label for a newly instantiated BSD process structure.
-  Normally, security policies will store the process label in the user
-  credential rather than here in the process structure.  However,
-  there are some floating label policies that may need to temporarily
-  store a label in the process structure until it is safe to update
-  the user credential label.  Sleeping is permitted.
-*/
-typedef void mpo_proc_label_init_t(
-       struct label *label
-);
+ *  @brief Inform MAC policies that a process has exited.
+ *  @param proc Object process
+ *
+ *  Called after all of the process's threads have terminated and
+ *  it has been removed from the process list.  KPI that identifies
+ *  the process by pid will fail to find the process; KPI that
+ *  identifies the process by the object process pointer functions
+ *  normally.  proc_exiting() returns true for the object process.
+ */
+typedef void mpo_proc_notify_exit_t(
+       struct proc *proc
+       );
+/**
+ *  @brief Access control check for skywalk flow connect
+ *  @param cred Subject credential
+ *  @param flow Flow object
+ *  @param addr Remote address for flow to send data to
+ *  @param type Flow type (e.g. SOCK_STREAM or SOCK_DGRAM)
+ *  @param protocol Network protocol (e.g. IPPROTO_TCP)
+ *
+ *  Determine whether the subject identified by the credential can
+ *  create a flow for sending data to the remote host specified by
+ *  addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */
+typedef int mpo_skywalk_flow_check_connect_t(
+       kauth_cred_t cred,
+       void *flow,
+       const struct sockaddr *addr,
+       int type,
+       int protocol
+       );
+/**
+ *  @brief Access control check for skywalk flow listen
+ *  @param cred Subject credential
+ *  @param flow Flow object
+ *  @param addr Local address for flow to listen on
+ *  @param type Flow type (e.g. SOCK_STREAM or SOCK_DGRAM)
+ *  @param protocol Network protocol (e.g. IPPROTO_TCP)
+ *
+ *  Determine whether the subject identified by the credential can
+ *  create a flow for receiving data on the local address specified
+ *  by addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */
+typedef int mpo_skywalk_flow_check_listen_t(
+       kauth_cred_t cred,
+       void *flow,
+       const struct sockaddr *addr,
+       int type,
+       int protocol
+       );

 /**
 /**

-  @brief Access control check for socket accept
-  @param cred Subject credential
-  @param socket Object socket
-  @param socklabel Policy label for socket
-
-  Determine whether the subject identified by the credential can accept()
-  a new connection on the socket from the host specified by addr.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket accept
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *
+ *  Determine whether the subject identified by the credential can accept()
+ *  a new connection on the socket from the host specified by addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_accept_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel
 typedef int mpo_socket_check_accept_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel

-);
+       );

 /**
 /**

-  @brief Access control check for a pending socket accept
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-  @param addr Address of the listening socket (coming soon)
-
-  Determine whether the subject identified by the credential can accept()
-  a pending connection on the socket from the host specified by addr.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for a pending socket accept
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *  @param addr Address of the listening socket (coming soon)
+ *
+ *  Determine whether the subject identified by the credential can accept()
+ *  a pending connection on the socket from the host specified by addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_accepted_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr
 typedef int mpo_socket_check_accepted_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr

-);
+       );

 /**
 /**

-  @brief Access control check for socket bind
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-  @param addr Name to assign to the socket
-
-  Determine whether the subject identified by the credential can bind()
-  the name (addr) to the socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket bind
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *  @param addr Name to assign to the socket
+ *
+ *  Determine whether the subject identified by the credential can bind()
+ *  the name (addr) to the socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_bind_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr
 typedef int mpo_socket_check_bind_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr

-);
+       );

 /**
 /**

-  @brief Access control check for socket connect
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-  @param addr Name to assign to the socket
-
-  Determine whether the subject identified by the credential can
-  connect() the passed socket to the remote host specified by addr.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket connect
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *  @param addr Name to assign to the socket
+ *
+ *  Determine whether the subject identified by the credential can
+ *  connect() the passed socket to the remote host specified by addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_connect_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr
 typedef int mpo_socket_check_connect_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr

-);
+       );

 /**
 /**

-  @brief Access control check for socket() system call.
-  @param cred Subject credential
-  @param domain communication domain
-  @param type socket type
-  @param protocol socket protocol
-
-  Determine whether the subject identified by the credential can
-  make the socket() call.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket() system call.
+ *  @param cred Subject credential
+ *  @param domain communication domain
+ *  @param type socket type
+ *  @param protocol socket protocol
+ *
+ *  Determine whether the subject identified by the credential can
+ *  make the socket() call.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_create_t(
        kauth_cred_t cred,
        int domain,
        int type,
        int protocol
 typedef int mpo_socket_check_create_t(
        kauth_cred_t cred,
        int domain,
        int type,
        int protocol

-);
+       );

 /**
 /**

-  @brief Access control check for delivering data to a user's receieve queue
-  @param so The socket data is being delivered to
-  @param so_label The label of so
-  @param m The mbuf whose data will be deposited into the receive queue
-  @param m_label The label of the sender of the data.
-
-  A socket has a queue for receiving incoming data.  When a packet arrives
-  on the wire, it eventually gets deposited into this queue, which the
-  owner of the socket drains when they read from the socket's file descriptor.
-
-  This function determines whether the socket can receive data from
-  the sender specified by m_label.
-
-  @warning There is an outstanding design issue surrounding the placement
-  of this function.  The check must be placed either before or after the
-  TCP sequence and ACK counters are updated.  Placing the check before
-  the counters are updated causes the incoming packet to be resent by
-  the remote if the check rejects it.  Placing the check after the counters
-  are updated results in a completely silent drop.  As far as each TCP stack
-  is concerned the packet was received, however, the data will not be in the
-  socket's receive queue.  Another consideration is that the current design
-  requires using the "failed label" occasionally.  In that case, on rejection,
-  we want the remote TCP to resend the data.  Because of this, we chose to
-  place this check before the counters are updated, so rejected packets will be
-  resent by the remote host.
-
-  If a policy keeps rejecting the same packet, eventually the connection will
-  be dropped.  Policies have several options if this design causes problems.
-  For example, one options is to sanitize the mbuf such that it is acceptable,
-  then accept it.  That may require negotiation between policies as the
-  Framework will not know to re-check the packet.
-
-  The policy must handle NULL MBUF labels.  This will likely be the case
-  for non-local TCP sockets for example.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for delivering data to a user's receieve queue
+ *  @param so The socket data is being delivered to
+ *  @param so_label The label of so
+ *  @param m The mbuf whose data will be deposited into the receive queue
+ *  @param m_label The label of the sender of the data.
+ *
+ *  A socket has a queue for receiving incoming data.  When a packet arrives
+ *  on the wire, it eventually gets deposited into this queue, which the
+ *  owner of the socket drains when they read from the socket's file descriptor.
+ *
+ *  This function determines whether the socket can receive data from
+ *  the sender specified by m_label.
+ *
+ *  @warning There is an outstanding design issue surrounding the placement
+ *  of this function.  The check must be placed either before or after the
+ *  TCP sequence and ACK counters are updated.  Placing the check before
+ *  the counters are updated causes the incoming packet to be resent by
+ *  the remote if the check rejects it.  Placing the check after the counters
+ *  are updated results in a completely silent drop.  As far as each TCP stack
+ *  is concerned the packet was received, however, the data will not be in the
+ *  socket's receive queue.  Another consideration is that the current design
+ *  requires using the "failed label" occasionally.  In that case, on rejection,
+ *  we want the remote TCP to resend the data.  Because of this, we chose to
+ *  place this check before the counters are updated, so rejected packets will be
+ *  resent by the remote host.
+ *
+ *  If a policy keeps rejecting the same packet, eventually the connection will
+ *  be dropped.  Policies have several options if this design causes problems.
+ *  For example, one options is to sanitize the mbuf such that it is acceptable,
+ *  then accept it.  That may require negotiation between policies as the
+ *  Framework will not know to re-check the packet.
+ *
+ *  The policy must handle NULL MBUF labels.  This will likely be the case
+ *  for non-local TCP sockets for example.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_deliver_t(
        socket_t so,
        struct label *so_label,
        struct mbuf *m,
        struct label *m_label
 typedef int mpo_socket_check_deliver_t(
        socket_t so,
        struct label *so_label,
        struct mbuf *m,
        struct label *m_label

-);
+       );

 /**
 /**

-  @brief Access control check for socket kqfilter
-  @param cred Subject credential
-  @param kn Object knote
-  @param so Object socket
-  @param socklabel Policy label for socket
-
-  Determine whether the subject identified by the credential can
-  receive the knote on the passed socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket ioctl.
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param cmd The ioctl command; see ioctl(2)
+ *  @param socklabel Policy label for socket
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the ioctl operation indicated by cmd on the given socket.
+ *
+ *  @warning Since ioctl data is opaque from the standpoint of the MAC
+ *  framework, and since ioctls can affect many aspects of system
+ *  operation, policies must exercise extreme care when implementing
+ *  access control checks.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_socket_check_ioctl_t(
+       kauth_cred_t cred,
+       socket_t so,
+       unsigned int cmd,
+       struct label *socklabel
+       );
+/**
+ *  @brief Access control check for socket kqfilter
+ *  @param cred Subject credential
+ *  @param kn Object knote
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive the knote on the passed socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_kqfilter_t(
        kauth_cred_t cred,
        struct knote *kn,
        socket_t so,
        struct label *socklabel
 typedef int mpo_socket_check_kqfilter_t(
        kauth_cred_t cred,
        struct knote *kn,
        socket_t so,
        struct label *socklabel

-);
+       );

 /**
 /**

-  @brief Access control check for socket relabel
-  @param cred Subject credential
-  @param so Object socket
-  @param so_label The current label of so
-  @param newlabel The label to be assigned to so
-
-  Determine whether the subject identified by the credential can
-  change the label on the socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket relabel
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param so_label The current label of so
+ *  @param newlabel The label to be assigned to so
+ *
+ *  Determine whether the subject identified by the credential can
+ *  change the label on the socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_label_update_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *so_label,
        struct label *newlabel
 typedef int mpo_socket_check_label_update_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *so_label,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Access control check for socket listen
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-
-  Determine whether the subject identified by the credential can
-  listen() on the passed socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket listen
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *
+ *  Determine whether the subject identified by the credential can
+ *  listen() on the passed socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_listen_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel
 typedef int mpo_socket_check_listen_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel

-);
+       );

 /**
 /**

-  @brief Access control check for socket receive
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-
-  Determine whether the subject identified by the credential can
-  receive data from the socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket receive
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive data from the socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_receive_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel
 typedef int mpo_socket_check_receive_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel

-);
+       );

 
 

-/**                                                                                               
-  @brief Access control check for socket receive                                                  
-  @param cred Subject credential                                                                  
-  @param socket Object socket                                                                     
-  @param socklabel Policy label for socket                                                        
-  @param addr Name of the remote socket                                                           
-                                                                                                  
-  Determine whether the subject identified by the credential can                                  
-  receive data from the remote host specified by addr.                                            
-                                                                                                  
-  @return Return 0 if access if granted, otherwise an appropriate                                 
-  value for errno should be returned.                                                             
-*/
+/**
+ *  @brief Access control check for socket receive
+ *  @param cred Subject credential
+ *  @param sock Object socket
+ *  @param socklabel Policy label for socket
+ *  @param saddr Name of the remote socket
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive data from the remote host specified by addr.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_received_t(
 typedef int mpo_socket_check_received_t(

-                                       kauth_cred_t cred,
-                                       struct socket *sock,
-                                       struct label *socklabel,
-                                       struct sockaddr *saddr
-                                       );
+       kauth_cred_t cred,
+       struct socket *sock,
+       struct label *socklabel,
+       struct sockaddr *saddr
+       );

 
 
 /**
 
 
 /**

-  @brief Access control check for socket select
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-  @param which The operation selected on: FREAD or FWRITE
-
-  Determine whether the subject identified by the credential can use the
-  socket in a call to select().
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket select
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *  @param which The operation selected on: FREAD or FWRITE
+ *
+ *  Determine whether the subject identified by the credential can use the
+ *  socket in a call to select().
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_select_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        int which
 typedef int mpo_socket_check_select_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        int which

-);
+       );

 /**
 /**

-  @brief Access control check for socket send
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for socket
-  @param addr Address being sent to
-
-  Determine whether the subject identified by the credential can send
-  data to the socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for socket send
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for socket
+ *  @param addr Address being sent to
+ *
+ *  Determine whether the subject identified by the credential can send
+ *  data to the socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_send_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr
 typedef int mpo_socket_check_send_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockaddr *addr

-);
+       );

 /**
 /**

-  @brief Access control check for retrieving socket status
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for so
-
-  Determine whether the subject identified by the credential can
-  execute the stat() system call on the given socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for retrieving socket status
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for so
+ *
+ *  Determine whether the subject identified by the credential can
+ *  execute the stat() system call on the given socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_stat_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel
 typedef int mpo_socket_check_stat_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel

-);
+       );

 /**
 /**

-  @brief Access control check for setting socket options
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for so
-  @param sopt The options being set
-
-  Determine whether the subject identified by the credential can
-  execute the setsockopt system call on the given socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for setting socket options
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for so
+ *  @param sopt The options being set
+ *
+ *  Determine whether the subject identified by the credential can
+ *  execute the setsockopt system call on the given socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_setsockopt_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockopt *sopt
 typedef int mpo_socket_check_setsockopt_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockopt *sopt

-);
+       );

 /**
 /**

-  @brief Access control check for getting socket options
-  @param cred Subject credential
-  @param so Object socket
-  @param socklabel Policy label for so
-  @param sopt The options to get
-
-  Determine whether the subject identified by the credential can
-  execute the getsockopt system call on the given socket.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for getting socket options
+ *  @param cred Subject credential
+ *  @param so Object socket
+ *  @param socklabel Policy label for so
+ *  @param sopt The options to get
+ *
+ *  Determine whether the subject identified by the credential can
+ *  execute the getsockopt system call on the given socket.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_socket_check_getsockopt_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockopt *sopt
 typedef int mpo_socket_check_getsockopt_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *socklabel,
        struct sockopt *sopt

-);
+       );

 /**
 /**

-  @brief Label a socket
-  @param oldsock Listening socket
-  @param oldlabel Policy label associated with oldsock
-  @param newsock New socket
-  @param newlabel Policy label associated with newsock
-
-  A new socket is created when a connection is accept(2)ed.  This
-  function labels the new socket based on the existing listen(2)ing
-  socket.
-*/
+ *  @brief Label a socket
+ *  @param oldsock Listening socket
+ *  @param oldlabel Policy label associated with oldsock
+ *  @param newsock New socket
+ *  @param newlabel Policy label associated with newsock
+ *
+ *  A new socket is created when a connection is accept(2)ed.  This
+ *  function labels the new socket based on the existing listen(2)ing
+ *  socket.
+ */

 typedef void mpo_socket_label_associate_accept_t(
        socket_t oldsock,
        struct label *oldlabel,
        socket_t newsock,
        struct label *newlabel
 typedef void mpo_socket_label_associate_accept_t(
        socket_t oldsock,
        struct label *oldlabel,
        socket_t newsock,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Assign a label to a new socket
-  @param cred Credential of the owning process
-  @param so The socket being labeled
-  @param solabel The label
-  @warning cred can be NULL
-
-  Set the label on a newly created socket from the passed subject
-  credential.  This call is made when a socket is created.  The
-  credentials may be null if the socket is being created by the
-  kernel.
-*/
+ *  @brief Assign a label to a new socket
+ *  @param cred Credential of the owning process
+ *  @param so The socket being labeled
+ *  @param solabel The label
+ *  @warning cred can be NULL
+ *
+ *  Set the label on a newly created socket from the passed subject
+ *  credential.  This call is made when a socket is created.  The
+ *  credentials may be null if the socket is being created by the
+ *  kernel.
+ */

 typedef void mpo_socket_label_associate_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *solabel
 typedef void mpo_socket_label_associate_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *solabel

-);
+       );

 /**
 /**

-  @brief Copy a socket label
-  @param src Source label
-  @param dest Destination label
-
-  Copy the socket label information in src into dest.
-*/
+ *  @brief Copy a socket label
+ *  @param src Source label
+ *  @param dest Destination label
+ *
+ *  Copy the socket label information in src into dest.
+ */

 typedef void mpo_socket_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_socket_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

-  @brief Destroy socket label
-  @param label The label to be destroyed
-
-  Destroy a socket label.  Since the object is going out of
-  scope, policy modules should free any internal storage associated
-  with the label so that it may be destroyed.
-*/
+ *  @brief Destroy socket label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a socket label.  Since the object is going out of
+ *  scope, policy modules should free any internal storage associated
+ *  with the label so that it may be destroyed.
+ */

 typedef void mpo_socket_label_destroy_t(
        struct label *label
 typedef void mpo_socket_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a socket label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of label
-
-  Produce an externalized socket label based on the label structure passed.
-  An externalized label consists of a text representation of the label
-  contents that can be used with userland applications and read by the
-  user.  If element_name does not match a namespace managed by the policy,
-  simply return 0. Only return nonzero if an error occurs while externalizing
-  the label data.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Externalize a socket label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of label
+ *
+ *  Produce an externalized socket label based on the label structure passed.
+ *  An externalized label consists of a text representation of the label
+ *  contents that can be used with userland applications and read by the
+ *  user.  If element_name does not match a namespace managed by the policy,
+ *  simply return 0. Only return nonzero if an error occurs while externalizing
+ *  the label data.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_socket_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_socket_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize socket label
-  @param label New label to initialize
-  @param waitok Malloc flags
-
-  Initialize the label of a newly instantiated socket.  The waitok
-  field may be one of M_WAITOK and M_NOWAIT, and should be employed to
-  avoid performing a sleeping malloc(9) during this initialization
-  call.  It it not always safe to sleep during this entry point.
-
-  @warning Since it is possible for the waitok flags to be set to
-  M_NOWAIT, the malloc operation may fail.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Initialize socket label
+ *  @param label New label to initialize
+ *  @param waitok Malloc flags
+ *
+ *  Initialize the label of a newly instantiated socket.  The waitok
+ *  field may be one of M_WAITOK and M_NOWAIT, and should be employed to
+ *  avoid performing a sleeping malloc(9) during this initialization
+ *  call.  It it not always safe to sleep during this entry point.
+ *
+ *  @warning Since it is possible for the waitok flags to be set to
+ *  M_NOWAIT, the malloc operation may fail.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_socket_label_init_t(
        struct label *label,
        int waitok
 typedef int mpo_socket_label_init_t(
        struct label *label,
        int waitok

-);
+       );

 /**
 /**

-  @brief Internalize a socket label
-  @param label Label to be filled in
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce an internal socket label structure based on externalized label
-  data in text format.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Internalize a socket label
+ *  @param label Label to be filled in
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce an internal socket label structure based on externalized label
+ *  data in text format.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_socket_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_socket_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
+       );

 /**
 /**

-  @brief Relabel socket
-  @param cred Subject credential
-  @param so Object; socket
-  @param so_label Current label of the socket
-  @param newlabel The label to be assigned to so
-
-  The subject identified by the credential has previously requested
-  and was authorized to relabel the socket; this entry point allows
-  policies to perform the actual label update operation.
-
-  @warning XXX This entry point will likely change in future versions.
-*/
+ *  @brief Relabel socket
+ *  @param cred Subject credential
+ *  @param so Object; socket
+ *  @param so_label Current label of the socket
+ *  @param newlabel The label to be assigned to so
+ *
+ *  The subject identified by the credential has previously requested
+ *  and was authorized to relabel the socket; this entry point allows
+ *  policies to perform the actual label update operation.
+ *
+ *  @warning XXX This entry point will likely change in future versions.
+ */

 typedef void mpo_socket_label_update_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *so_label,
        struct label *newlabel
 typedef void mpo_socket_label_update_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *so_label,
        struct label *newlabel

-);
+       );

 /**
 /**

-  @brief Set the peer label on a socket from mbuf
-  @param m Mbuf chain received on socket so
-  @param m_label Label for m
-  @param so Current label for the socket
-  @param so_label Policy label to be filled out for the socket
-
-  Set the peer label of a socket based on the label of the sender of the
-  mbuf.
-
-  This is called for every TCP/IP packet received.  The first call for a given
-  socket operates on a newly initialized label, and subsequent calls operate
-  on existing label data.
-
-  @warning Because this can affect performance significantly, it has
-  different sematics than other 'set' operations.  Typically, 'set' operations
-  operate on newly initialzed labels and policies do not need to worry about
-  clobbering existing values.  In this case, it is too inefficient to
-  initialize and destroy a label every time data is received for the socket.
-  Instead, it is up to the policies to determine how to replace the label data.
-  Most policies should be able to replace the data inline.
-*/
+ *  @brief Set the peer label on a socket from mbuf
+ *  @param m Mbuf chain received on socket so
+ *  @param m_label Label for m
+ *  @param so Current label for the socket
+ *  @param so_label Policy label to be filled out for the socket
+ *
+ *  Set the peer label of a socket based on the label of the sender of the
+ *  mbuf.
+ *
+ *  This is called for every TCP/IP packet received.  The first call for a given
+ *  socket operates on a newly initialized label, and subsequent calls operate
+ *  on existing label data.
+ *
+ *  @warning Because this can affect performance significantly, it has
+ *  different sematics than other 'set' operations.  Typically, 'set' operations
+ *  operate on newly initialzed labels and policies do not need to worry about
+ *  clobbering existing values.  In this case, it is too inefficient to
+ *  initialize and destroy a label every time data is received for the socket.
+ *  Instead, it is up to the policies to determine how to replace the label data.
+ *  Most policies should be able to replace the data inline.
+ */

 typedef void mpo_socketpeer_label_associate_mbuf_t(
        struct mbuf *m,
        struct label *m_label,
        socket_t so,
        struct label *so_label
 typedef void mpo_socketpeer_label_associate_mbuf_t(
        struct mbuf *m,
        struct label *m_label,
        socket_t so,
        struct label *so_label

-);
+       );

 /**
 /**

-  @brief Set the peer label on a socket from socket
-  @param source Local socket
-  @param sourcelabel Policy label for source
-  @param target Peer socket
-  @param targetlabel Policy label to fill in for target
-
-  Set the peer label on a stream UNIX domain socket from the passed
-  remote socket endpoint. This call will be made when the socket pair
-  is connected, and will be made for both endpoints.
-
-  Note that this call is only made on connection; it is currently not updated
-  during communication.
-*/
+ *  @brief Set the peer label on a socket from socket
+ *  @param source Local socket
+ *  @param sourcelabel Policy label for source
+ *  @param target Peer socket
+ *  @param targetlabel Policy label to fill in for target
+ *
+ *  Set the peer label on a stream UNIX domain socket from the passed
+ *  remote socket endpoint. This call will be made when the socket pair
+ *  is connected, and will be made for both endpoints.
+ *
+ *  Note that this call is only made on connection; it is currently not updated
+ *  during communication.
+ */

 typedef void mpo_socketpeer_label_associate_socket_t(
        socket_t source,
        struct label *sourcelabel,
        socket_t target,
        struct label *targetlabel
 typedef void mpo_socketpeer_label_associate_socket_t(
        socket_t source,
        struct label *sourcelabel,
        socket_t target,
        struct label *targetlabel

-);
+       );

 /**
 /**

-  @brief Destroy socket peer label
-  @param label The peer label to be destroyed
-
-  Destroy a socket peer label.  Since the object is going out of
-  scope, policy modules should free any internal storage associated
-  with the label so that it may be destroyed.
-*/
+ *  @brief Destroy socket peer label
+ *  @param label The peer label to be destroyed
+ *
+ *  Destroy a socket peer label.  Since the object is going out of
+ *  scope, policy modules should free any internal storage associated
+ *  with the label so that it may be destroyed.
+ */

 typedef void mpo_socketpeer_label_destroy_t(
        struct label *label
 typedef void mpo_socketpeer_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a socket peer label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of label
-
-  Produce an externalized socket peer label based on the label structure
-  passed. An externalized label consists of a text representation of the
-  label contents that can be used with userland applications and read by the
-  user.  If element_name does not match a namespace managed by the policy,
-  simply return 0. Only return nonzero if an error occurs while externalizing
-  the label data.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Externalize a socket peer label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of label
+ *
+ *  Produce an externalized socket peer label based on the label structure
+ *  passed. An externalized label consists of a text representation of the
+ *  label contents that can be used with userland applications and read by the
+ *  user.  If element_name does not match a namespace managed by the policy,
+ *  simply return 0. Only return nonzero if an error occurs while externalizing
+ *  the label data.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_socketpeer_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_socketpeer_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize socket peer label
-  @param label New label to initialize
-  @param waitok Malloc flags
-
-  Initialize the peer label of a newly instantiated socket.  The
-  waitok field may be one of M_WAITOK and M_NOWAIT, and should be
-  employed to avoid performing a sleeping malloc(9) during this
-  initialization call.  It it not always safe to sleep during this
-  entry point.
-
-  @warning Since it is possible for the waitok flags to be set to
-  M_NOWAIT, the malloc operation may fail.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Initialize socket peer label
+ *  @param label New label to initialize
+ *  @param waitok Malloc flags
+ *
+ *  Initialize the peer label of a newly instantiated socket.  The
+ *  waitok field may be one of M_WAITOK and M_NOWAIT, and should be
+ *  employed to avoid performing a sleeping malloc(9) during this
+ *  initialization call.  It it not always safe to sleep during this
+ *  entry point.
+ *
+ *  @warning Since it is possible for the waitok flags to be set to
+ *  M_NOWAIT, the malloc operation may fail.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_socketpeer_label_init_t(
        struct label *label,
        int waitok
 typedef int mpo_socketpeer_label_init_t(
        struct label *label,
        int waitok

-);
+       );

 /**
 /**

-  @brief Access control check for enabling accounting
-  @param cred Subject credential
-  @param vp Accounting file
-  @param vlabel Label associated with vp
-
-  Determine whether the subject should be allowed to enable accounting,
-  based on its label and the label of the accounting log file.  See
-  acct(5) for more information.
-
-  As accounting is disabled by passing NULL to the acct(2) system call,
-  the policy should be prepared for both 'vp' and 'vlabel' to be NULL.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for enabling accounting
+ *  @param cred Subject credential
+ *  @param vp Accounting file
+ *  @param vlabel Label associated with vp
+ *
+ *  Determine whether the subject should be allowed to enable accounting,
+ *  based on its label and the label of the accounting log file.  See
+ *  acct(5) for more information.
+ *
+ *  As accounting is disabled by passing NULL to the acct(2) system call,
+ *  the policy should be prepared for both 'vp' and 'vlabel' to be NULL.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_acct_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel
 typedef int mpo_system_check_acct_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel

-);
+       );

 /**
 /**

-  @brief Access control check for audit
-  @param cred Subject credential
-  @param record Audit record
-  @param length Audit record length
-
-  Determine whether the subject identified by the credential can submit
-  an audit record for inclusion in the audit log via the audit() system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for audit
+ *  @param cred Subject credential
+ *  @param record Audit record
+ *  @param length Audit record length
+ *
+ *  Determine whether the subject identified by the credential can submit
+ *  an audit record for inclusion in the audit log via the audit() system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_audit_t(
        kauth_cred_t cred,
        void *record,
        int length
 typedef int mpo_system_check_audit_t(
        kauth_cred_t cred,
        void *record,
        int length

-);
+       );

 /**
 /**

-  @brief Access control check for controlling audit
-  @param cred Subject credential
-  @param vp Audit file
-  @param vl Label associated with vp
-
-  Determine whether the subject should be allowed to enable auditing using
-  the auditctl() system call, based on its label and the label of the proposed
-  audit file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for controlling audit
+ *  @param cred Subject credential
+ *  @param vp Audit file
+ *  @param vl Label associated with vp
+ *
+ *  Determine whether the subject should be allowed to enable auditing using
+ *  the auditctl() system call, based on its label and the label of the proposed
+ *  audit file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_auditctl_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vl
 typedef int mpo_system_check_auditctl_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vl

-);
+       );

 /**
 /**

-  @brief Access control check for manipulating auditing
-  @param cred Subject credential
-  @param cmd Audit control command
-
-  Determine whether the subject identified by the credential can perform
-  the audit subsystem control operation cmd via the auditon() system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for manipulating auditing
+ *  @param cred Subject credential
+ *  @param cmd Audit control command
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the audit subsystem control operation cmd via the auditon() system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_auditon_t(
        kauth_cred_t cred,
        int cmd
 typedef int mpo_system_check_auditon_t(
        kauth_cred_t cred,
        int cmd

-);
-/**
-  @brief Access control check for using CHUD facilities
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can perform
-  performance-related tasks using the CHUD system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
-typedef int mpo_system_check_chud_t(
-       kauth_cred_t cred
-);
+       );

 /**
 /**

-  @brief Access control check for obtaining the host control port
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential can
-  obtain the host control port.
-
-  @return Return 0 if access is granted, or non-zero otherwise.
-*/
+ *  @brief Access control check for obtaining the host control port
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can
+ *  obtain the host control port.
+ *
+ *  @return Return 0 if access is granted, or non-zero otherwise.
+ */

 typedef int mpo_system_check_host_priv_t(
        kauth_cred_t cred
 typedef int mpo_system_check_host_priv_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control check for obtaining system information
-  @param cred Subject credential
-  @param info_type A description of the information requested
-
-  Determine whether the subject identified by the credential should be
-  allowed to obtain information about the system.
-
-  This is a generic hook that can be used in a variety of situations where
-  information is being returned that might be considered sensitive.
-  Rather than adding a new MAC hook for every such interface, this hook can
-  be called with a string identifying the type of information requested.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for obtaining system information
+ *  @param cred Subject credential
+ *  @param info_type A description of the information requested
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to obtain information about the system.
+ *
+ *  This is a generic hook that can be used in a variety of situations where
+ *  information is being returned that might be considered sensitive.
+ *  Rather than adding a new MAC hook for every such interface, this hook can
+ *  be called with a string identifying the type of information requested.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_info_t(
        kauth_cred_t cred,
        const char *info_type
 typedef int mpo_system_check_info_t(
        kauth_cred_t cred,
        const char *info_type

-);
+       );

 /**
 /**

-  @brief Access control check for calling NFS services
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential should be
-  allowed to call nfssrv(2).
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for calling NFS services
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to call nfssrv(2).
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_nfsd_t(
        kauth_cred_t cred
 typedef int mpo_system_check_nfsd_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control check for reboot
-  @param cred Subject credential
-  @param howto howto parameter from reboot(2)
-
-  Determine whether the subject identified by the credential should be
-  allowed to reboot the system in the specified manner.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for reboot
+ *  @param cred Subject credential
+ *  @param howto howto parameter from reboot(2)
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to reboot the system in the specified manner.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_reboot_t(
        kauth_cred_t cred,
        int howto
 typedef int mpo_system_check_reboot_t(
        kauth_cred_t cred,
        int howto

-);
+       );

 /**
 /**

-  @brief Access control check for setting system clock
-  @param cred Subject credential
-
-  Determine whether the subject identified by the credential should be
-  allowed to set the system clock.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for setting system clock
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to set the system clock.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_settime_t(
        kauth_cred_t cred
 typedef int mpo_system_check_settime_t(
        kauth_cred_t cred

-);
+       );

 /**
 /**

-  @brief Access control check for removing swap devices
-  @param cred Subject credential
-  @param vp Swap device
-  @param label Label associated with vp
-
-  Determine whether the subject identified by the credential should be
-  allowed to remove vp as a swap device.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for removing swap devices
+ *  @param cred Subject credential
+ *  @param vp Swap device
+ *  @param label Label associated with vp
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to remove vp as a swap device.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_swapoff_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label
 typedef int mpo_system_check_swapoff_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for adding swap devices
-  @param cred Subject credential
-  @param vp Swap device
-  @param label Label associated with vp
-
-  Determine whether the subject identified by the credential should be
-  allowed to add vp as a swap device.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for adding swap devices
+ *  @param cred Subject credential
+ *  @param vp Swap device
+ *  @param label Label associated with vp
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to add vp as a swap device.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_swapon_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label
 typedef int mpo_system_check_swapon_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Access control check for sysctl
-  @param cred Subject credential
-  @param namestring String representation of sysctl name.
-  @param name Integer name; see sysctl(3)
-  @param namelen Length of name array of integers; see sysctl(3)
-  @param old 0 or address where to store old value; see sysctl(3)
-  @param oldlen Length of old buffer; see sysctl(3)
-  @param newvalue 0 or address of new value; see sysctl(3)
-  @param newlen Length of new buffer; see sysctl(3)
-
-  Determine whether the subject identified by the credential should be
-  allowed to make the specified sysctl(3) transaction.
-
-  The sysctl(3) call specifies that if the old value is not desired,
-  oldp and oldlenp should be set to NULL.  Likewise, if a new value is
-  not to be set, newp should be set to NULL and newlen set to 0.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for sysctl
+ *  @param cred Subject credential
+ *  @param namestring String representation of sysctl name.
+ *  @param name Integer name; see sysctl(3)
+ *  @param namelen Length of name array of integers; see sysctl(3)
+ *  @param old 0 or address where to store old value; see sysctl(3)
+ *  @param oldlen Length of old buffer; see sysctl(3)
+ *  @param newvalue 0 or address of new value; see sysctl(3)
+ *  @param newlen Length of new buffer; see sysctl(3)
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to make the specified sysctl(3) transaction.
+ *
+ *  The sysctl(3) call specifies that if the old value is not desired,
+ *  oldp and oldlenp should be set to NULL.  Likewise, if a new value is
+ *  not to be set, newp should be set to NULL and newlen set to 0.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_sysctlbyname_t(
        kauth_cred_t cred,
        const char *namestring,
        int *name,
        u_int namelen,
 typedef int mpo_system_check_sysctlbyname_t(
        kauth_cred_t cred,
        const char *namestring,
        int *name,
        u_int namelen,

-       user_addr_t old,        /* NULLOK */
+       user_addr_t old,        /* NULLOK */

        size_t oldlen,
        size_t oldlen,

-       user_addr_t newvalue,   /* NULLOK */
+       user_addr_t newvalue,   /* NULLOK */

        size_t newlen
        size_t newlen

-);
+       );

 /**
 /**

-  @brief Access control check for kas_info
-  @param cred Subject credential
-  @param selector Category of information to return. See kas_info.h
-
-  Determine whether the subject identified by the credential can perform
-  introspection of the kernel address space layout for
-  debugging/performance analysis.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for kas_info
+ *  @param cred Subject credential
+ *  @param selector Category of information to return. See kas_info.h
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  introspection of the kernel address space layout for
+ *  debugging/performance analysis.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_system_check_kas_info_t(
        kauth_cred_t cred,
        int selector
 typedef int mpo_system_check_kas_info_t(
        kauth_cred_t cred,
        int selector

-);
-/**
-  @brief Create a System V message label
-  @param cred Subject credential
-  @param msqkptr The message queue the message will be placed in
-  @param msqlabel The label of the message queue
-  @param msgptr The message
-  @param msglabel The label of the message
-
-  Label the message as its placed in the message queue.
-*/
+       );
+/**
+ *  @brief Create a System V message label
+ *  @param cred Subject credential
+ *  @param msqptr The message queue the message will be placed in
+ *  @param msqlabel The label of the message queue
+ *  @param msgptr The message
+ *  @param msglabel The label of the message
+ *
+ *  Label the message as its placed in the message queue.
+ */

 typedef void mpo_sysvmsg_label_associate_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel,
        struct msg *msgptr,
        struct label *msglabel
 typedef void mpo_sysvmsg_label_associate_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel,
        struct msg *msgptr,
        struct label *msglabel

-);
+       );

 /**
 /**

-  @brief Destroy System V message label
-  @param label The label to be destroyed
-
-  Destroy a System V message label.  Since the object is
-  going out of scope, policy modules should free any internal storage
-  associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy System V message label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a System V message label.  Since the object is
+ *  going out of scope, policy modules should free any internal storage
+ *  associated with the label so that it may be destroyed.
+ */

 typedef void mpo_sysvmsg_label_destroy_t(
        struct label *label
 typedef void mpo_sysvmsg_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize System V message label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated System V message.
-*/
+ *  @brief Initialize System V message label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated System V message.
+ */

 typedef void mpo_sysvmsg_label_init_t(
        struct label *label
 typedef void mpo_sysvmsg_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Clean up a System V message label
-  @param label The label to be destroyed
-
-  Clean up a System V message label.  Darwin pre-allocates
-  messages at system boot time and re-uses them rather than
-  allocating new ones.  Before messages are returned to the "free
-  pool", policies can cleanup or overwrite any information present in
-  the label.
-*/
+ *  @brief Clean up a System V message label
+ *  @param label The label to be destroyed
+ *
+ *  Clean up a System V message label.  Darwin pre-allocates
+ *  messages at system boot time and re-uses them rather than
+ *  allocating new ones.  Before messages are returned to the "free
+ *  pool", policies can cleanup or overwrite any information present in
+ *  the label.
+ */

 typedef void mpo_sysvmsg_label_recycle_t(
        struct label *label
 typedef void mpo_sysvmsg_label_recycle_t(
        struct label *label

-);
-/**
-  @brief Access control check for System V message enqueuing
-  @param cred Subject credential
-  @param msgptr The message
-  @param msglabel The message's label
-  @param msqkptr The message queue
-  @param msqlabel The message queue's label
-
-  Determine whether the subject identified by the credential can add the
-  given message to the given message queue.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for System V message enqueuing
+ *  @param cred Subject credential
+ *  @param msgptr The message
+ *  @param msglabel The message's label
+ *  @param msqptr The message queue
+ *  @param msqlabel The message queue's label
+ *
+ *  Determine whether the subject identified by the credential can add the
+ *  given message to the given message queue.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_enqueue_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel,
        struct msqid_kernel *msqptr,
        struct label *msqlabel
 typedef int mpo_sysvmsq_check_enqueue_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel,
        struct msqid_kernel *msqptr,
        struct label *msqlabel

-);
+       );

 /**
 /**

-  @brief Access control check for System V message reception
-  @param cred The credential of the intended recipient
-  @param msgptr The message
-  @param msglabel The message's label
-
-  Determine whether the subject identified by the credential can receive
-  the given message.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for System V message reception
+ *  @param cred The credential of the intended recipient
+ *  @param msgptr The message
+ *  @param msglabel The message's label
+ *
+ *  Determine whether the subject identified by the credential can receive
+ *  the given message.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msgrcv_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel
 typedef int mpo_sysvmsq_check_msgrcv_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel

-);
+       );

 /**
 /**

-  @brief Access control check for System V message queue removal
-  @param cred The credential of the caller
-  @param msgptr The message
-  @param msglabel The message's label
-
-  System V message queues are removed using the msgctl() system call.
-  The system will iterate over each messsage in the queue, calling this
-  function for each, to determine whether the caller has the appropriate
-  credentials.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for System V message queue removal
+ *  @param cred The credential of the caller
+ *  @param msgptr The message
+ *  @param msglabel The message's label
+ *
+ *  System V message queues are removed using the msgctl() system call.
+ *  The system will iterate over each messsage in the queue, calling this
+ *  function for each, to determine whether the caller has the appropriate
+ *  credentials.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msgrmid_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel
 typedef int mpo_sysvmsq_check_msgrmid_t(
        kauth_cred_t cred,
        struct msg *msgptr,
        struct label *msglabel

-);
+       );

 /**
 /**

-  @brief Access control check for msgctl()
-  @param cred The credential of the caller
-  @param msqptr The message queue
-  @param msqlabel The message queue's label
-
-  This access check is performed to validate calls to msgctl().
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for msgctl()
+ *  @param cred The credential of the caller
+ *  @param msqptr The message queue
+ *  @param msqlabel The message queue's label
+ *
+ *  This access check is performed to validate calls to msgctl().
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msqctl_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel,
        int cmd
 typedef int mpo_sysvmsq_check_msqctl_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel,
        int cmd

-);
+       );

 /**
 /**

-  @brief Access control check to get a System V message queue
-  @param cred The credential of the caller
-  @param msqptr The message queue requested
-  @param msqlabel The message queue's label
-
-  On a call to msgget(), if the queue requested already exists,
-  and it is a public queue, this check will be performed before the
-  queue's ID is returned to the user.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check to get a System V message queue
+ *  @param cred The credential of the caller
+ *  @param msqptr The message queue requested
+ *  @param msqlabel The message queue's label
+ *
+ *  On a call to msgget(), if the queue requested already exists,
+ *  and it is a public queue, this check will be performed before the
+ *  queue's ID is returned to the user.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msqget_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel
 typedef int mpo_sysvmsq_check_msqget_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel

-);
+       );

 /**
 /**

-  @brief Access control check to receive a System V message from the given queue
-  @param cred The credential of the caller
-  @param msqptr The message queue to receive from
-  @param msqlabel The message queue's label
-
-  On a call to msgrcv(), this check is performed to determine whether the
-  caller has receive rights on the given queue.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check to receive a System V message from the given queue
+ *  @param cred The credential of the caller
+ *  @param msqptr The message queue to receive from
+ *  @param msqlabel The message queue's label
+ *
+ *  On a call to msgrcv(), this check is performed to determine whether the
+ *  caller has receive rights on the given queue.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msqrcv_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel
 typedef int mpo_sysvmsq_check_msqrcv_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel

-);
+       );

 /**
 /**

-  @brief Access control check to send a System V message to the given queue
-  @param cred The credential of the caller
-  @param msqptr The message queue to send to
-  @param msqlabel The message queue's label
-
-  On a call to msgsnd(), this check is performed to determine whether the
-  caller has send rights on the given queue.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check to send a System V message to the given queue
+ *  @param cred The credential of the caller
+ *  @param msqptr The message queue to send to
+ *  @param msqlabel The message queue's label
+ *
+ *  On a call to msgsnd(), this check is performed to determine whether the
+ *  caller has send rights on the given queue.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvmsq_check_msqsnd_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel
 typedef int mpo_sysvmsq_check_msqsnd_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel

-);
+       );

 /**
 /**

-  @brief Create a System V message queue label
-  @param cred Subject credential
-  @param msqkptr The message queue
-  @param msqlabel The label of the message queue
-
-*/
+ *  @brief Create a System V message queue label
+ *  @param cred Subject credential
+ *  @param msqptr The message queue
+ *  @param msqlabel The label of the message queue
+ *
+ */

 typedef void mpo_sysvmsq_label_associate_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel
 typedef void mpo_sysvmsq_label_associate_t(
        kauth_cred_t cred,
        struct msqid_kernel *msqptr,
        struct label *msqlabel

-);
+       );

 /**
 /**

-  @brief Destroy System V message queue label
-  @param label The label to be destroyed
-
-  Destroy a System V message queue label.  Since the object is
-  going out of scope, policy modules should free any internal storage
-  associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy System V message queue label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a System V message queue label.  Since the object is
+ *  going out of scope, policy modules should free any internal storage
+ *  associated with the label so that it may be destroyed.
+ */

 typedef void mpo_sysvmsq_label_destroy_t(
        struct label *label
 typedef void mpo_sysvmsq_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize System V message queue label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated System V message queue.
-*/
+ *  @brief Initialize System V message queue label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated System V message queue.
+ */

 typedef void mpo_sysvmsq_label_init_t(
        struct label *label
 typedef void mpo_sysvmsq_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Clean up a System V message queue label
-  @param label The label to be destroyed
-
-  Clean up a System V message queue label.  Darwin pre-allocates
-  message queues at system boot time and re-uses them rather than
-  allocating new ones.  Before message queues are returned to the "free
-  pool", policies can cleanup or overwrite any information present in
-  the label.
-*/
+ *  @brief Clean up a System V message queue label
+ *  @param label The label to be destroyed
+ *
+ *  Clean up a System V message queue label.  Darwin pre-allocates
+ *  message queues at system boot time and re-uses them rather than
+ *  allocating new ones.  Before message queues are returned to the "free
+ *  pool", policies can cleanup or overwrite any information present in
+ *  the label.
+ */

 typedef void mpo_sysvmsq_label_recycle_t(
        struct label *label
 typedef void mpo_sysvmsq_label_recycle_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for System V semaphore control operation
-  @param cred Subject credential
-  @param semakptr Pointer to semaphore identifier
-  @param semaklabel Label associated with semaphore
-  @param cmd Control operation to be performed; see semctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the operation indicated by cmd on the System V semaphore semakptr.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for System V semaphore control operation
+ *  @param cred Subject credential
+ *  @param semakptr Pointer to semaphore identifier
+ *  @param semaklabel Label associated with semaphore
+ *  @param cmd Control operation to be performed; see semctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the operation indicated by cmd on the System V semaphore semakptr.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvsem_check_semctl_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel,
        int cmd
 typedef int mpo_sysvsem_check_semctl_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel,
        int cmd

-);
+       );

 /**
 /**

-  @brief Access control check for obtaining a System V semaphore
-  @param cred Subject credential
-  @param semakptr Pointer to semaphore identifier
-  @param semaklabel Label to associate with the semaphore
-
-  Determine whether the subject identified by the credential can
-  obtain a System V semaphore.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for obtaining a System V semaphore
+ *  @param cred Subject credential
+ *  @param semakptr Pointer to semaphore identifier
+ *  @param semaklabel Label to associate with the semaphore
+ *
+ *  Determine whether the subject identified by the credential can
+ *  obtain a System V semaphore.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvsem_check_semget_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel
 typedef int mpo_sysvsem_check_semget_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel

-);
+       );

 /**
 /**

-  @brief Access control check for System V semaphore operations
-  @param cred Subject credential
-  @param semakptr Pointer to semaphore identifier
-  @param semaklabel Label associated with the semaphore
-  @param accesstype Flags to indicate access (read and/or write)
-
-  Determine whether the subject identified by the credential can
-  perform the operations on the System V semaphore indicated by
-  semakptr.  The accesstype flags hold the maximum set of permissions
-  from the sem_op array passed to the semop system call.  It may
-  contain SEM_R for read-only operations or SEM_A for read/write
-  operations.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for System V semaphore operations
+ *  @param cred Subject credential
+ *  @param semakptr Pointer to semaphore identifier
+ *  @param semaklabel Label associated with the semaphore
+ *  @param accesstype Flags to indicate access (read and/or write)
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform the operations on the System V semaphore indicated by
+ *  semakptr.  The accesstype flags hold the maximum set of permissions
+ *  from the sem_op array passed to the semop system call.  It may
+ *  contain SEM_R for read-only operations or SEM_A for read/write
+ *  operations.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvsem_check_semop_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel,
        size_t accesstype
 typedef int mpo_sysvsem_check_semop_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semaklabel,
        size_t accesstype

-);
+       );

 /**
 /**

-  @brief Create a System V semaphore label
-  @param cred Subject credential
-  @param semakptr The semaphore being created
-  @param semalabel Label to associate with the new semaphore
-
-  Label a new System V semaphore.  The label was previously
-  initialized and associated with the semaphore.  At this time, an
-  appropriate initial label value should be assigned to the object and
-  stored in semalabel.
-*/
+ *  @brief Create a System V semaphore label
+ *  @param cred Subject credential
+ *  @param semakptr The semaphore being created
+ *  @param semalabel Label to associate with the new semaphore
+ *
+ *  Label a new System V semaphore.  The label was previously
+ *  initialized and associated with the semaphore.  At this time, an
+ *  appropriate initial label value should be assigned to the object and
+ *  stored in semalabel.
+ */

 typedef void mpo_sysvsem_label_associate_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semalabel
 typedef void mpo_sysvsem_label_associate_t(
        kauth_cred_t cred,
        struct semid_kernel *semakptr,
        struct label *semalabel

-);
+       );

 /**
 /**

-  @brief Destroy System V semaphore label
-  @param label The label to be destroyed
-
-  Destroy a System V semaphore label.  Since the object is
-  going out of scope, policy modules should free any internal storage
-  associated with the label so that it may be destroyed.
-*/
+ *  @brief Destroy System V semaphore label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a System V semaphore label.  Since the object is
+ *  going out of scope, policy modules should free any internal storage
+ *  associated with the label so that it may be destroyed.
+ */

 typedef void mpo_sysvsem_label_destroy_t(
        struct label *label
 typedef void mpo_sysvsem_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize System V semaphore label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated System V semaphore.  Sleeping
-  is permitted.
-*/
+ *  @brief Initialize System V semaphore label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated System V semaphore.  Sleeping
+ *  is permitted.
+ */

 typedef void mpo_sysvsem_label_init_t(
        struct label *label
 typedef void mpo_sysvsem_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Clean up a System V semaphore label
-  @param label The label to be cleaned
-
-  Clean up a System V semaphore label.  Darwin pre-allocates
-  semaphores at system boot time and re-uses them rather than
-  allocating new ones.  Before semaphores are returned to the "free
-  pool", policies can cleanup or overwrite any information present in
-  the label.
-*/
+ *  @brief Clean up a System V semaphore label
+ *  @param label The label to be cleaned
+ *
+ *  Clean up a System V semaphore label.  Darwin pre-allocates
+ *  semaphores at system boot time and re-uses them rather than
+ *  allocating new ones.  Before semaphores are returned to the "free
+ *  pool", policies can cleanup or overwrite any information present in
+ *  the label.
+ */

 typedef void mpo_sysvsem_label_recycle_t(
        struct label *label
 typedef void mpo_sysvsem_label_recycle_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for mapping System V shared memory
-  @param cred Subject credential
-  @param shmsegptr Pointer to shared memory segment identifier
-  @param shmseglabel Label associated with the shared memory segment
-  @param shmflg shmat flags; see shmat(2)
-
-  Determine whether the subject identified by the credential can map
-  the System V shared memory segment associated with shmsegptr.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for mapping System V shared memory
+ *  @param cred Subject credential
+ *  @param shmsegptr Pointer to shared memory segment identifier
+ *  @param shmseglabel Label associated with the shared memory segment
+ *  @param shmflg shmat flags; see shmat(2)
+ *
+ *  Determine whether the subject identified by the credential can map
+ *  the System V shared memory segment associated with shmsegptr.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvshm_check_shmat_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int shmflg
 typedef int mpo_sysvshm_check_shmat_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int shmflg

-);
+       );

 /**
 /**

-  @brief Access control check for System V shared memory control operation
-  @param cred Subject credential
-  @param shmsegptr Pointer to shared memory segment identifier
-  @param shmseglabel Label associated with the shared memory segment
-  @param cmd Control operation to be performed; see shmctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the operation indicated by cmd on the System V shared memory segment
-  shmsegptr.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for System V shared memory control operation
+ *  @param cred Subject credential
+ *  @param shmsegptr Pointer to shared memory segment identifier
+ *  @param shmseglabel Label associated with the shared memory segment
+ *  @param cmd Control operation to be performed; see shmctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the operation indicated by cmd on the System V shared memory segment
+ *  shmsegptr.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvshm_check_shmctl_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int cmd
 typedef int mpo_sysvshm_check_shmctl_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int cmd

-);
+       );

 /**
 /**

-  @brief Access control check for unmapping System V shared memory
-  @param cred Subject credential
-  @param shmsegptr Pointer to shared memory segment identifier
-  @param shmseglabel Label associated with the shared memory segment
-
-  Determine whether the subject identified by the credential can unmap
-  the System V shared memory segment associated with shmsegptr.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for unmapping System V shared memory
+ *  @param cred Subject credential
+ *  @param shmsegptr Pointer to shared memory segment identifier
+ *  @param shmseglabel Label associated with the shared memory segment
+ *
+ *  Determine whether the subject identified by the credential can unmap
+ *  the System V shared memory segment associated with shmsegptr.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvshm_check_shmdt_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel
 typedef int mpo_sysvshm_check_shmdt_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel

-);
+       );

 /**
 /**

-  @brief Access control check obtaining System V shared memory identifier
-  @param cred Subject credential
-  @param shmsegptr Pointer to shared memory segment identifier
-  @param shmseglabel Label associated with the shared memory segment
-  @param shmflg shmget flags; see shmget(2)
-
-  Determine whether the subject identified by the credential can get
-  the System V shared memory segment address.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check obtaining System V shared memory identifier
+ *  @param cred Subject credential
+ *  @param shmsegptr Pointer to shared memory segment identifier
+ *  @param shmseglabel Label associated with the shared memory segment
+ *  @param shmflg shmget flags; see shmget(2)
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  the System V shared memory segment address.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_sysvshm_check_shmget_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int shmflg
 typedef int mpo_sysvshm_check_shmget_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmseglabel,
        int shmflg

-);
+       );

 /**
 /**

-  @brief Create a System V shared memory region label
-  @param cred Subject credential
-  @param shmsegptr The shared memory region being created
-  @param shmlabel Label to associate with the new shared memory region
-
-  Label a new System V shared memory region.  The label was previously
-  initialized and associated with the shared memory region.  At this
-  time, an appropriate initial label value should be assigned to the
-  object and stored in shmlabel.
-*/
+ *  @brief Create a System V shared memory region label
+ *  @param cred Subject credential
+ *  @param shmsegptr The shared memory region being created
+ *  @param shmlabel Label to associate with the new shared memory region
+ *
+ *  Label a new System V shared memory region.  The label was previously
+ *  initialized and associated with the shared memory region.  At this
+ *  time, an appropriate initial label value should be assigned to the
+ *  object and stored in shmlabel.
+ */

 typedef void mpo_sysvshm_label_associate_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmlabel
 typedef void mpo_sysvshm_label_associate_t(
        kauth_cred_t cred,
        struct shmid_kernel *shmsegptr,
        struct label *shmlabel

-);
+       );

 /**
 /**

-  @brief Destroy System V shared memory label
-  @param label The label to be destroyed
-
-  Destroy a System V shared memory region label.  Since the
-  object is going out of scope, policy modules should free any
-  internal storage associated with the label so that it may be
-  destroyed.
-*/
+ *  @brief Destroy System V shared memory label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a System V shared memory region label.  Since the
+ *  object is going out of scope, policy modules should free any
+ *  internal storage associated with the label so that it may be
+ *  destroyed.
+ */

 typedef void mpo_sysvshm_label_destroy_t(
        struct label *label
 typedef void mpo_sysvshm_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Initialize System V Shared Memory region label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated System V Shared Memory
-  region.  Sleeping is permitted.
-*/
+ *  @brief Initialize System V Shared Memory region label
+ *  @param label New label to initialize
+ *
+ *  Initialize the label for a newly instantiated System V Shared Memory
+ *  region.  Sleeping is permitted.
+ */

 typedef void mpo_sysvshm_label_init_t(
        struct label *label
 typedef void mpo_sysvshm_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Clean up a System V Share Memory Region label
-  @param shmlabel The label to be cleaned
-
-  Clean up a System V Shared Memory Region label.  Darwin
-  pre-allocates these objects at system boot time and re-uses them
-  rather than allocating new ones.  Before the memory regions are
-  returned to the "free pool", policies can cleanup or overwrite any
-  information present in the label.
-*/
+ *  @brief Clean up a System V Share Memory Region label
+ *  @param shmlabel The label to be cleaned
+ *
+ *  Clean up a System V Shared Memory Region label.  Darwin
+ *  pre-allocates these objects at system boot time and re-uses them
+ *  rather than allocating new ones.  Before the memory regions are
+ *  returned to the "free pool", policies can cleanup or overwrite any
+ *  information present in the label.
+ */

 typedef void mpo_sysvshm_label_recycle_t(
        struct label *shmlabel
 typedef void mpo_sysvshm_label_recycle_t(
        struct label *shmlabel

-);
+       );

 /**
 /**

-  @brief Access control check for getting a process's task name
-  @param cred Subject credential
-  @param proc Object process
-
-  Determine whether the subject identified by the credential can get
-  the passed process's task name port.
-  This call is used by the task_name_for_pid(2) API.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
-*/
+ *  @brief Access control check for getting a process's task name
+ *  @param cred Subject credential
+ *  @param p Object process
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  the passed process's task name port.
+ *  This call is used by the task_name_for_pid(2) API.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
+ */

 typedef int mpo_proc_check_get_task_name_t(
        kauth_cred_t cred,
        struct proc *p
 typedef int mpo_proc_check_get_task_name_t(
        kauth_cred_t cred,
        struct proc *p

-);
+       );

 /**
 /**

-  @brief Access control check for getting a process's task port
-  @param cred Subject credential
-  @param proc Object process
-
-  Determine whether the subject identified by the credential can get
-  the passed process's task control port.
-  This call is used by the task_for_pid(2) API.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch,
-  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
-*/
+ *  @brief Access control check for getting a process's task port
+ *  @param cred Subject credential
+ *  @param p Object process
+ *
+ *  Determine whether the subject identified by the credential can get
+ *  the passed process's task control port.
+ *  This call is used by the task_for_pid(2) API.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
+ */

 typedef int mpo_proc_check_get_task_t(
        kauth_cred_t cred,
        struct proc *p
 typedef int mpo_proc_check_get_task_t(
        kauth_cred_t cred,
        struct proc *p

-);
+       );

 
 /**
 
 /**

- @brief Check whether task's IPC may inherit across process exec
- @param proc current process instance
- @param cur_vp vnode pointer to current instance
- @param cur_offset offset of binary of currently executing image
- @param img_vp vnode pointer to to be exec'ed image
- @param img_offset offset into file which is selected for execution
- @param scriptvp vnode pointer of script file if any.
- @return Return 0 if access is granted.
-       EPERM     if parent does not have any entitlements.
-       EACCESS   if mismatch in entitlements
-*/
+ *  @brief Access control check for exposing a process's task port
+ *  @param cred Subject credential
+ *  @param p Object process
+ *
+ *  Determine whether the subject identified by the credential can expose
+ *  the passed process's task control port.
+ *  This call is used by the accessor APIs like processor_set_tasks() and
+ *  processor_set_threads().
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch,
+ *  EPERM for lack of privilege, or ESRCH to hide visibility of the target.
+ */
+typedef int mpo_proc_check_expose_task_t(
+       kauth_cred_t cred,
+       struct proc *p
+       );
+
+/**
+ *  @brief Check whether task's IPC may inherit across process exec
+ *  @param p current process instance
+ *  @param cur_vp vnode pointer to current instance
+ *  @param cur_offset offset of binary of currently executing image
+ *  @param img_vp vnode pointer to to be exec'ed image
+ *  @param img_offset offset into file which is selected for execution
+ *  @param scriptvp vnode pointer of script file if any.
+ *  @return Return 0 if access is granted.
+ *       EPERM     if parent does not have any entitlements.
+ *       EACCESS   if mismatch in entitlements
+ */

 typedef int mpo_proc_check_inherit_ipc_ports_t(
        struct proc *p,
 typedef int mpo_proc_check_inherit_ipc_ports_t(
        struct proc *p,

-  struct vnode *cur_vp,
-  off_t cur_offset,
-  struct vnode *img_vp,
-  off_t img_offset,
-  struct vnode *scriptvp
-);
+       struct vnode *cur_vp,
+       off_t cur_offset,
+       struct vnode *img_vp,
+       off_t img_offset,
+       struct vnode *scriptvp
+       );

 
 /**
 
 /**

- @brief Privilege check for a process to run invalid
- @param proc Object process
- 
- Determine whether the process may execute even though the system determined
- that it is untrusted (eg unidentified / modified code).
- 
- @return Return 0 if access is granted, otherwise an appropriate value for
- errno should be returned.
+ *  @brief Privilege check for a process to run invalid
+ *  @param p Object process
+ *
+ *  Determine whether the process may execute even though the system determined
+ *  that it is untrusted (eg unidentified / modified code).
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.

  */
  */

-typedef int mac_proc_check_run_cs_invalid_t(
+typedef int mpo_proc_check_run_cs_invalid_t(

        struct proc *p
        struct proc *p

-);
+       );

 
 /**
 
 /**

-  @brief Perform MAC-related events when a thread returns to user space
-  @param thread Mach (not BSD) thread that is returning
+ *  @brief Notification a process is finished with exec and will jump to userspace
+ *  @param p Object process
+ *
+ *  Notifies all MAC policies that a process has completed an exec and is about to
+ *  jump to userspace to continue execution. This may result in process termination
+ *  via signals. Hook is designed to hold no/minimal locks so it can be used for any
+ *  necessary upcalls.
+ */
+typedef void mpo_proc_notify_exec_complete_t(
+       struct proc *p
+       );

 
 

-  This entry point permits policy modules to perform MAC-related
-  events when a thread returns to user space, via a system call
-  return or trap return.
-*/
+/**
+ *  @brief Perform MAC-related events when a thread returns to user space
+ *  @param thread Mach (not BSD) thread that is returning
+ *
+ *  This entry point permits policy modules to perform MAC-related
+ *  events when a thread returns to user space, via a system call
+ *  return or trap return.
+ */

 typedef void mpo_thread_userret_t(
        struct thread *thread
 typedef void mpo_thread_userret_t(
        struct thread *thread

-);
-/**
-  @brief Initialize per thread label
-  @param label New label to initialize
-
-  Initialize the label for a newly instantiated thread.
-  Sleeping is permitted.
-*/
-typedef void mpo_thread_label_init_t(
-       struct label *label
-);
-/**
-  @brief Destroy thread label
-  @param label The label to be destroyed
+       );

 
 

-  Destroy a user thread label.  Since the user thread
-  is going out of scope, policy modules should free any internal
-  storage associated with the label so that it may be destroyed.
-*/
-typedef void mpo_thread_label_destroy_t(
-       struct label *label
-);

 /**
 /**

-  @brief Check vnode access
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Label for vp
-  @param acc_mode access(2) flags
-
-  Determine how invocations of access(2) and related calls by the
-  subject identified by the credential should return when performed
-  on the passed vnode using the passed access flags. This should
-  generally be implemented using the same semantics used in
-  mpo_vnode_check_open.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Check vnode access
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Label for vp
+ *  @param acc_mode access(2) flags
+ *
+ *  Determine how invocations of access(2) and related calls by the
+ *  subject identified by the credential should return when performed
+ *  on the passed vnode using the passed access flags. This should
+ *  generally be implemented using the same semantics used in
+ *  mpo_vnode_check_open.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_access_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode
 typedef int mpo_vnode_check_access_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode

-);
+       );

 /**
 /**

-  @brief Access control check for changing working directory
-  @param cred Subject credential
-  @param dvp Object; vnode to chdir(2) into
-  @param dlabel Policy label for dvp
-
-  Determine whether the subject identified by the credential can change
-  the process working directory to the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for changing working directory
+ *  @param cred Subject credential
+ *  @param dvp Object; vnode to chdir(2) into
+ *  @param dlabel Policy label for dvp
+ *
+ *  Determine whether the subject identified by the credential can change
+ *  the process working directory to the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_chdir_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel
 typedef int mpo_vnode_check_chdir_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel

-);
+       );

 /**
 /**

-  @brief Access control check for changing root directory
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label associated with dvp
-  @param cnp Component name for dvp
-
-  Determine whether the subject identified by the credential should be
-  allowed to chroot(2) into the specified directory (dvp).
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Access control check for changing root directory
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label associated with dvp
+ *  @param cnp Component name for dvp
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to chroot(2) into the specified directory (dvp).
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_vnode_check_chroot_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp
 typedef int mpo_vnode_check_chroot_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp

-);
-/**
-  @brief Access control check for creating vnode
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label for dvp
-  @param cnp Component name for dvp
-  @param vap vnode attributes for vap
-
-  Determine whether the subject identified by the credential can create
-  a vnode with the passed parent directory, passed name information,
-  and passed attribute information. This call may be made in a number of
-  situations, including as a result of calls to open(2) with O_CREAT,
-  mknod(2), mkfifo(2), and others.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for creating clone
+ *  @param cred Subject credential
+ *  @param dvp Vnode of directory to create the clone in
+ *  @param dlabel Policy label associated with dvp
+ *  @param vp Vnode of the file to clone from
+ *  @param label Policy label associated with vp
+ *  @param cnp Component name for the clone being created
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to create a clone of the vnode vp with the name specified by cnp.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_vnode_check_clone_t(
+       kauth_cred_t cred,
+       struct vnode *dvp,
+       struct label *dlabel,
+       struct vnode *vp,
+       struct label *label,
+       struct componentname *cnp
+       );
+/**
+ *  @brief Access control check for creating vnode
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label for dvp
+ *  @param cnp Component name for dvp
+ *  @param vap vnode attributes for vap
+ *
+ *  Determine whether the subject identified by the credential can create
+ *  a vnode with the passed parent directory, passed name information,
+ *  and passed attribute information. This call may be made in a number of
+ *  situations, including as a result of calls to open(2) with O_CREAT,
+ *  mknod(2), mkfifo(2), and others.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_create_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp,
        struct vnode_attr *vap
 typedef int mpo_vnode_check_create_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp,
        struct vnode_attr *vap

-);
+       );

 /**
 /**

-  @brief Access control check for deleting extended attribute
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vlabel Label associated with vp
-  @param name Extended attribute name
-
-  Determine whether the subject identified by the credential can delete
-  the extended attribute from the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for deleting extended attribute
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vlabel Label associated with vp
+ *  @param name Extended attribute name
+ *
+ *  Determine whether the subject identified by the credential can delete
+ *  the extended attribute from the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_deleteextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        const char *name
 typedef int mpo_vnode_check_deleteextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        const char *name

-);
-/**
-  @brief Access control check for exchanging file data
-  @param cred Subject credential
-  @param v1 vnode 1 to swap
-  @param vl1 Policy label for v1
-  @param v2 vnode 2 to swap
-  @param vl2 Policy label for v2
-
-  Determine whether the subject identified by the credential can swap the data
-  in the two supplied vnodes.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for exchanging file data
+ *  @param cred Subject credential
+ *  @param v1 vnode 1 to swap
+ *  @param vl1 Policy label for v1
+ *  @param v2 vnode 2 to swap
+ *  @param vl2 Policy label for v2
+ *
+ *  Determine whether the subject identified by the credential can swap the data
+ *  in the two supplied vnodes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_exchangedata_t(
        kauth_cred_t cred,
        struct vnode *v1,
        struct label *vl1,
        struct vnode *v2,
        struct label *vl2
 typedef int mpo_vnode_check_exchangedata_t(
        kauth_cred_t cred,
        struct vnode *v1,
        struct label *vl1,
        struct vnode *v2,
        struct label *vl2

-);
-/**
-  @brief Access control check for executing the vnode
-  @param cred Subject credential
-  @param vp Object vnode to execute
-  @param scriptvp Script being executed by interpreter, if any.
-  @param vnodelabel Label corresponding to vp
-  @param scriptvnodelabel Script vnode label
-  @param execlabel Userspace provided execution label
-  @param cnp Component name for file being executed
-  @param macpolicyattr MAC policy-specific spawn attribute data.
-  @param macpolicyattrlen Length of policy-specific spawn attribute data.
-
-  Determine whether the subject identified by the credential can execute
-  the passed vnode. Determination of execute privilege is made separately
-  from decisions about any process label transitioning event.
-
-  The final label, execlabel, corresponds to a label supplied by a
-  user space application through the use of the mac_execve system call.
-  This label will be NULL if the user application uses the the vendor
-  execve(2) call instead of the MAC Framework mac_execve() call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for executing the vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode to execute
+ *  @param scriptvp Script being executed by interpreter, if any.
+ *  @param vnodelabel Label corresponding to vp
+ *  @param scriptlabel Script vnode label
+ *  @param execlabel Userspace provided execution label
+ *  @param cnp Component name for file being executed
+ *  @param macpolicyattr MAC policy-specific spawn attribute data.
+ *  @param macpolicyattrlen Length of policy-specific spawn attribute data.
+ *
+ *  Determine whether the subject identified by the credential can execute
+ *  the passed vnode. Determination of execute privilege is made separately
+ *  from decisions about any process label transitioning event.
+ *
+ *  The final label, execlabel, corresponds to a label supplied by a
+ *  user space application through the use of the mac_execve system call.
+ *  This label will be NULL if the user application uses the the vendor
+ *  execve(2) call instead of the MAC Framework mac_execve() call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_exec_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct vnode *scriptvp,
        struct label *vnodelabel,
        struct label *scriptlabel,
 typedef int mpo_vnode_check_exec_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct vnode *scriptvp,
        struct label *vnodelabel,
        struct label *scriptlabel,

-       struct label *execlabel,        /* NULLOK */
+       struct label *execlabel,        /* NULLOK */

        struct componentname *cnp,
        u_int *csflags,
        void *macpolicyattr,
        size_t macpolicyattrlen
        struct componentname *cnp,
        u_int *csflags,
        void *macpolicyattr,
        size_t macpolicyattrlen

-);
+       );

 /**
 /**

-  @brief Access control check for fsgetpath
-  @param cred Subject credential
-  @param vp Vnode for which a path will be returned
-  @param label Label associated with the vnode
-
-  Determine whether the subject identified by the credential can get the path
-  of the given vnode with fsgetpath.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for fsgetpath
+ *  @param cred Subject credential
+ *  @param vp Vnode for which a path will be returned
+ *  @param label Label associated with the vnode
+ *
+ *  Determine whether the subject identified by the credential can get the path
+ *  of the given vnode with fsgetpath.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_fsgetpath_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label
 typedef int mpo_vnode_check_fsgetpath_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Access control check after determining the code directory hash
+       );
+/**
+ *  @brief Access control check for retrieving file attributes
+ *  @param active_cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param vlabel Policy label for vp
+ *  @param va Vnode attributes to retrieve
+ *
+ *  Determine whether the subject identified by the credential can
+ *  get information about the passed vnode.  The active_cred hold
+ *  the credentials of the subject performing the operation, and
+ *  file_cred holds the credentials of the subject that originally
+ *  opened the file. This check happens during stat(), lstat(),
+ *  fstat(), and getattrlist() syscalls.  See <sys/vnode.h> for
+ *  definitions of the attributes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ *
+ *  @note Policies may change the contents of va to alter the list of
+ *  file attributes returned.
+ */
+typedef int mpo_vnode_check_getattr_t(
+       kauth_cred_t active_cred,
+       kauth_cred_t file_cred, /* NULLOK */
+       struct vnode *vp,
+       struct label *vlabel,
+       struct vnode_attr *va
+       );
+/**
+ *  @brief Access control check for retrieving file attributes
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vlabel Policy label for vp
+ *  @param alist List of attributes to retrieve
+ *
+ *  Determine whether the subject identified by the credential can read
+ *  various attributes of the specified vnode, or the filesystem or volume on
+ *  which that vnode resides. See <sys/attr.h> for definitions of the
+ *  attributes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege. Access control covers all attributes requested
+ *  with this call; the security policy is not permitted to change the set of
+ *  attributes requested.

  */
  */

-typedef int mpo_vnode_check_signature_t(struct vnode *vp,  struct label *label, 
-                                       off_t macho_offset, unsigned char *sha1, 
-                                       const void *signature, int size,
-                                       int *is_platform_binary);
-
-/**
-  @brief Access control check for retrieving file attributes
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vlabel Policy label for vp
-  @param alist List of attributes to retrieve
-
-  Determine whether the subject identified by the credential can read
-  various attributes of the specified vnode, or the filesystem or volume on
-  which that vnode resides. See <sys/attr.h> for definitions of the
-  attributes.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege. Access control covers all attributes requested
-  with this call; the security policy is not permitted to change the set of
-  attributes requested.
-*/

 typedef int mpo_vnode_check_getattrlist_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist
 typedef int mpo_vnode_check_getattrlist_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist

-);
-/**
-  @brief Access control check for retrieving an extended attribute
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param name Extended attribute name
-  @param uio I/O structure pointer
-
-  Determine whether the subject identified by the credential can retrieve
-  the extended attribute from the passed vnode.  The uio parameter
-  will be NULL when the getxattr(2) call has been made with a NULL data
-  value; this is done to request the size of the data only.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for retrieving an extended attribute
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param name Extended attribute name
+ *  @param uio I/O structure pointer
+ *
+ *  Determine whether the subject identified by the credential can retrieve
+ *  the extended attribute from the passed vnode.  The uio parameter
+ *  will be NULL when the getxattr(2) call has been made with a NULL data
+ *  value; this is done to request the size of the data only.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_getextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
 typedef int mpo_vnode_check_getextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,

-       struct label *label,            /* NULLOK */
+       struct label *label,            /* NULLOK */

        const char *name,
        const char *name,

-       struct uio *uio                 /* NULLOK */
-);
-/**
-  @brief Access control check for ioctl
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param com Device-dependent request code; see ioctl(2)
-
-  Determine whether the subject identified by the credential can perform
-  the ioctl operation indicated by com.
-
-  @warning Since ioctl data is opaque from the standpoint of the MAC
-  framework, and since ioctls can affect many aspects of system
-  operation, policies must exercise extreme care when implementing
-  access control checks.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       struct uio *uio                 /* NULLOK */
+       );
+/**
+ *  @brief Access control check for ioctl
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param cmd Device-dependent request code; see ioctl(2)
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  the ioctl operation indicated by com.
+ *
+ *  @warning Since ioctl data is opaque from the standpoint of the MAC
+ *  framework, and since ioctls can affect many aspects of system
+ *  operation, policies must exercise extreme care when implementing
+ *  access control checks.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_ioctl_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        unsigned int cmd
 typedef int mpo_vnode_check_ioctl_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        unsigned int cmd

-);
+       );

 /**
 /**

-  @brief Access control check for vnode kqfilter
-  @param cred Subject credential
-  @param kn Object knote
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can
-  receive the knote on the passed vnode.
-
-  @return Return 0 if access if granted, otherwise an appropriate
-  value for errno should be returned.
-*/
+ *  @brief Access control check for vnode kqfilter
+ *  @param active_cred Subject credential
+ *  @param kn Object knote
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can
+ *  receive the knote on the passed vnode.
+ *
+ *  @return Return 0 if access if granted, otherwise an appropriate
+ *  value for errno should be returned.
+ */

 typedef int mpo_vnode_check_kqfilter_t(
        kauth_cred_t active_cred,
 typedef int mpo_vnode_check_kqfilter_t(
        kauth_cred_t active_cred,

-       kauth_cred_t file_cred,         /* NULLOK */
+       kauth_cred_t file_cred,         /* NULLOK */

        struct knote *kn,
        struct vnode *vp,
        struct label *label
        struct knote *kn,
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Access control check for relabel
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vnodelabel Existing policy label for vp
-  @param newlabel Policy label update to later be applied to vp
-  @see mpo_relable_vnode_t
-
-  Determine whether the subject identified by the credential can relabel
-  the passed vnode to the passed label update.  If all policies permit
-  the label change, the actual relabel entry point (mpo_vnode_label_update)
-  will follow.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for relabel
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vnodelabel Existing policy label for vp
+ *  @param newlabel Policy label update to later be applied to vp
+ *  @see mpo_relable_vnode_t
+ *
+ *  Determine whether the subject identified by the credential can relabel
+ *  the passed vnode to the passed label update.  If all policies permit
+ *  the label change, the actual relabel entry point (mpo_vnode_label_update)
+ *  will follow.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_label_update_t(
        struct ucred *cred,
        struct vnode *vp,
        struct label *vnodelabel,
        struct label *newlabel
 typedef int mpo_vnode_check_label_update_t(
        struct ucred *cred,
        struct vnode *vp,
        struct label *vnodelabel,
        struct label *newlabel

-);
-/**
-  @brief Access control check for creating link
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label associated with dvp
-  @param vp Link destination vnode
-  @param label Policy label associated with vp
-  @param cnp Component name for the link being created
-
-  Determine whether the subject identified by the credential should be
-  allowed to create a link to the vnode vp with the name specified by cnp.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for creating link
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label associated with dvp
+ *  @param vp Link destination vnode
+ *  @param label Policy label associated with vp
+ *  @param cnp Component name for the link being created
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to create a link to the vnode vp with the name specified by cnp.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_link_t(
        kauth_cred_t cred,
        struct vnode *dvp,
 typedef int mpo_vnode_check_link_t(
        kauth_cred_t cred,
        struct vnode *dvp,


@@ -4727,145 +4950,171 @@ typedef int mpo_vnode_check_link_t(
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp

-);
+       );

 /**
 /**

-  @brief Access control check for listing extended attributes
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vlabel Policy label associated with vp
-
-  Determine whether the subject identified by the credential can retrieve
-  a list of named extended attributes from a vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for listing extended attributes
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vlabel Policy label associated with vp
+ *
+ *  Determine whether the subject identified by the credential can retrieve
+ *  a list of named extended attributes from a vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_listextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel
 typedef int mpo_vnode_check_listextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Access control check for lookup
-  @param cred Subject credential
-  @param dvp Object vnode
-  @param dlabel Policy label for dvp
-  @param cnp Component name being looked up
-
-  Determine whether the subject identified by the credential can perform
-  a lookup in the passed directory vnode for the passed name (cnp).
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for lookup
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label for dvp
+ *  @param path Path being looked up
+ *  @param pathlen Length of path in bytes
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  a lookup of the passed path relative to the passed directory vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ *
+ *  @note The path may contain untrusted input.  If approved, lookup proceeds
+ *  on the path; if a component is found to be a symlink then this hook is
+ *  called again with the updated path.
+ */
+typedef int mpo_vnode_check_lookup_preflight_t(
+       kauth_cred_t cred,
+       struct vnode *dvp,
+       struct label *dlabel,
+       const char *path,
+       size_t pathlen
+       );
+/**
+ *  @brief Access control check for lookup
+ *  @param cred Subject credential
+ *  @param dvp Object vnode
+ *  @param dlabel Policy label for dvp
+ *  @param cnp Component name being looked up
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  a lookup in the passed directory vnode for the passed name (cnp).
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_lookup_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp
 typedef int mpo_vnode_check_lookup_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp

-);
+       );

 /**
 /**

-  @brief Access control check for open
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label associated with vp
-  @param acc_mode open(2) access mode
-
-  Determine whether the subject identified by the credential can perform
-  an open operation on the passed vnode with the passed access mode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for open
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label associated with vp
+ *  @param acc_mode open(2) access mode
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  an open operation on the passed vnode with the passed access mode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_open_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode
 typedef int mpo_vnode_check_open_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode

-);
+       );

 /**
 /**

-  @brief Access control check for read
-  @param active_cred Subject credential
-  @param file_cred Credential associated with the struct fileproc
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can perform
-  a read operation on the passed vnode.  The active_cred hold the credentials
-  of the subject performing the operation, and file_cred holds the
-  credentials of the subject that originally opened the file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for read
+ *  @param active_cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  a read operation on the passed vnode.  The active_cred hold the credentials
+ *  of the subject performing the operation, and file_cred holds the
+ *  credentials of the subject that originally opened the file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_read_t(
 typedef int mpo_vnode_check_read_t(

-       kauth_cred_t active_cred,       /* SUBJECT */
-       kauth_cred_t file_cred, /* NULLOK */
-       struct vnode *vp,               /* OBJECT */
-       struct label *label             /* LABEL */
-);
-/**
-  @brief Access control check for read directory
-  @param cred Subject credential
-  @param dvp Object directory vnode
-  @param dlabel Policy label for dvp
-
-  Determine whether the subject identified by the credential can
-  perform a readdir operation on the passed directory vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       kauth_cred_t active_cred,       /* SUBJECT */
+       kauth_cred_t file_cred, /* NULLOK */
+       struct vnode *vp,               /* OBJECT */
+       struct label *label             /* LABEL */
+       );
+/**
+ *  @brief Access control check for read directory
+ *  @param cred Subject credential
+ *  @param dvp Object directory vnode
+ *  @param dlabel Policy label for dvp
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a readdir operation on the passed directory vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_readdir_t(
 typedef int mpo_vnode_check_readdir_t(

-       kauth_cred_t cred,              /* SUBJECT */
-       struct vnode *dvp,              /* OBJECT */
-       struct label *dlabel            /* LABEL */
-);
-/**
-  @brief Access control check for read link
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can perform
-  a readlink operation on the passed symlink vnode.  This call can be made
-  in a number of situations, including an explicit readlink call by the
-  user process, or as a result of an implicit readlink during a name
-  lookup by the process.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       kauth_cred_t cred,              /* SUBJECT */
+       struct vnode *dvp,              /* OBJECT */
+       struct label *dlabel            /* LABEL */
+       );
+/**
+ *  @brief Access control check for read link
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can perform
+ *  a readlink operation on the passed symlink vnode.  This call can be made
+ *  in a number of situations, including an explicit readlink call by the
+ *  user process, or as a result of an implicit readlink during a name
+ *  lookup by the process.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_readlink_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label
 typedef int mpo_vnode_check_readlink_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Access control check for rename
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label associated with dvp
-  @param vp vnode to be renamed
-  @param label Policy label associated with vp
-  @param cnp Component name for vp
-  @param tdvp Destination directory vnode
-  @param tdlabel Policy label associated with tdvp
-  @param tvp Overwritten vnode
-  @param tlabel Policy label associated with tvp
-  @param tcnp Destination component name
-
-  Determine whether the subject identified by the credential should be allowed
-  to rename the vnode vp to something else.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for rename
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label associated with dvp
+ *  @param vp vnode to be renamed
+ *  @param label Policy label associated with vp
+ *  @param cnp Component name for vp
+ *  @param tdvp Destination directory vnode
+ *  @param tdlabel Policy label associated with tdvp
+ *  @param tvp Overwritten vnode
+ *  @param tlabel Policy label associated with tvp
+ *  @param tcnp Destination component name
+ *
+ *  Determine whether the subject identified by the credential should be allowed
+ *  to rename the vnode vp to something else.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_rename_t(
        kauth_cred_t cred,
        struct vnode *dvp,
 typedef int mpo_vnode_check_rename_t(
        kauth_cred_t cred,
        struct vnode *dvp,


@@ -4878,30 +5127,30 @@ typedef int mpo_vnode_check_rename_t(
        struct vnode *tvp,
        struct label *tlabel,
        struct componentname *tcnp
        struct vnode *tvp,
        struct label *tlabel,
        struct componentname *tcnp

-);
-/**
-  @brief Access control check for rename from
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label associated with dvp
-  @param vp vnode to be renamed
-  @param label Policy label associated with vp
-  @param cnp Component name for vp
-  @see mpo_vnode_check_rename_t
-  @see mpo_vnode_check_rename_to_t
-
-  Determine whether the subject identified by the credential should be
-  allowed to rename the vnode vp to something else.
-
-  Due to VFS locking constraints (to make sure proper vnode locks are
-  held during this entry point), the vnode relabel checks had to be
-  split into two parts: relabel_from and relabel to.
-
-  This hook is deprecated, mpo_vnode_check_rename_t should be used instead.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for rename from
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label associated with dvp
+ *  @param vp vnode to be renamed
+ *  @param label Policy label associated with vp
+ *  @param cnp Component name for vp
+ *  @see mpo_vnode_check_rename_t
+ *  @see mpo_vnode_check_rename_to_t
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to rename the vnode vp to something else.
+ *
+ *  Due to VFS locking constraints (to make sure proper vnode locks are
+ *  held during this entry point), the vnode relabel checks had to be
+ *  split into two parts: relabel_from and relabel to.
+ *
+ *  This hook is deprecated, mpo_vnode_check_rename_t should be used instead.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_rename_from_t(
        kauth_cred_t cred,
        struct vnode *dvp,
 typedef int mpo_vnode_check_rename_from_t(
        kauth_cred_t cred,
        struct vnode *dvp,


@@ -4909,342 +5158,410 @@ typedef int mpo_vnode_check_rename_from_t(
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp

-);
-/**
-  @brief Access control check for rename to
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label associated with dvp
-  @param vp Overwritten vnode
-  @param label Policy label associated with vp
-  @param samedir Boolean; 1 if the source and destination directories are the same
-  @param cnp Destination component name
-  @see mpo_vnode_check_rename_t
-  @see mpo_vnode_check_rename_from_t
-
-  Determine whether the subject identified by the credential should be
-  allowed to rename to the vnode vp, into the directory dvp, or to the
-  name represented by cnp. If there is no existing file to overwrite,
-  vp and label will be NULL.
-
-  Due to VFS locking constraints (to make sure proper vnode locks are
-  held during this entry point), the vnode relabel checks had to be
-  split into two parts: relabel_from and relabel to.
-
-  This hook is deprecated, mpo_vnode_check_rename_t should be used instead.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+       );
+/**
+ *  @brief Access control check for rename to
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label associated with dvp
+ *  @param vp Overwritten vnode
+ *  @param label Policy label associated with vp
+ *  @param samedir Boolean; 1 if the source and destination directories are the same
+ *  @param cnp Destination component name
+ *  @see mpo_vnode_check_rename_t
+ *  @see mpo_vnode_check_rename_from_t
+ *
+ *  Determine whether the subject identified by the credential should be
+ *  allowed to rename to the vnode vp, into the directory dvp, or to the
+ *  name represented by cnp. If there is no existing file to overwrite,
+ *  vp and label will be NULL.
+ *
+ *  Due to VFS locking constraints (to make sure proper vnode locks are
+ *  held during this entry point), the vnode relabel checks had to be
+ *  split into two parts: relabel_from and relabel to.
+ *
+ *  This hook is deprecated, mpo_vnode_check_rename_t should be used instead.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_rename_to_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
 typedef int mpo_vnode_check_rename_to_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,

-       struct vnode *vp,                       /* NULLOK */
-       struct label *label,                    /* NULLOK */
+       struct vnode *vp,                       /* NULLOK */
+       struct label *label,                    /* NULLOK */

        int samedir,
        struct componentname *cnp
        int samedir,
        struct componentname *cnp

-);
+       );

 /**
 /**

-  @brief Access control check for revoke
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can revoke
-  access to the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for revoke
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can revoke
+ *  access to the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_revoke_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label
 typedef int mpo_vnode_check_revoke_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for searchfs
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vlabel Policy label for vp
-  @param alist List of attributes used as search criteria
-
-  Determine whether the subject identified by the credential can search the
-  vnode using the searchfs system call.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for searchfs
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vlabel Policy label for vp
+ *  @param alist List of attributes used as search criteria
+ *
+ *  Determine whether the subject identified by the credential can search the
+ *  vnode using the searchfs system call.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_searchfs_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist
 typedef int mpo_vnode_check_searchfs_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist

-);
+       );

 /**
 /**

-  @brief Access control check for select
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param which The operation selected on: FREAD or FWRITE
-
-  Determine whether the subject identified by the credential can select
-  the vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned.
-*/
+ *  @brief Access control check for select
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param which The operation selected on: FREAD or FWRITE
+ *
+ *  Determine whether the subject identified by the credential can select
+ *  the vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */

 typedef int mpo_vnode_check_select_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int which
 typedef int mpo_vnode_check_select_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int which

-);
+       );

 /**
 /**

-  @brief Access control check for setting file attributes
-  @param cred Subject credential
-  @param vp Object vnode
-  @param vlabel Policy label for vp
-  @param alist List of attributes to set
-
-  Determine whether the subject identified by the credential can set
-  various attributes of the specified vnode, or the filesystem or volume on
-  which that vnode resides. See <sys/attr.h> for definitions of the
-  attributes.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege. Access control covers all attributes requested
-  with this call.
-*/
+ *  @brief Access control check for setting ACL
+ *  @param cred Subject credential
+ *  @param vp Object node
+ *  @param label Policy label for vp
+ *  @param acl ACL structure pointer
+ *
+ *  Determine whether the subject identified by the credential can set an ACL
+ *  on the specified vnode.  The ACL pointer will be NULL when removing an ACL.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */
+typedef int mpo_vnode_check_setacl_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       struct kauth_acl *acl
+       );
+/**
+ *  @brief Access control check for setting file attributes
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param vlabel Policy label for vp
+ *  @param alist List of attributes to set
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  various attributes of the specified vnode, or the filesystem or volume on
+ *  which that vnode resides. See <sys/attr.h> for definitions of the
+ *  attributes.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege. Access control covers all attributes requested
+ *  with this call.
+ */

 typedef int mpo_vnode_check_setattrlist_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist
 typedef int mpo_vnode_check_setattrlist_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct attrlist *alist

-);
-/**
-  @brief Access control check for setting extended attribute
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param name Extended attribute name
-  @param uio I/O structure pointer
-
-  Determine whether the subject identified by the credential can set the
-  extended attribute of passed name and passed namespace on the passed
-  vnode. Policies implementing security labels backed into extended
-  attributes may want to provide additional protections for those
-  attributes. Additionally, policies should avoid making decisions based
-  on the data referenced from uio, as there is a potential race condition
-  between this check and the actual operation. The uio may also be NULL
-  if a delete operation is being performed.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for setting extended attribute
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param name Extended attribute name
+ *  @param uio I/O structure pointer
+ *
+ *  Determine whether the subject identified by the credential can set the
+ *  extended attribute of passed name and passed namespace on the passed
+ *  vnode. Policies implementing security labels backed into extended
+ *  attributes may want to provide additional protections for those
+ *  attributes. Additionally, policies should avoid making decisions based
+ *  on the data referenced from uio, as there is a potential race condition
+ *  between this check and the actual operation. The uio may also be NULL
+ *  if a delete operation is being performed.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_setextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        const char *name,
        struct uio *uio
 typedef int mpo_vnode_check_setextattr_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        const char *name,
        struct uio *uio

-);
+       );

 /**
 /**

-  @brief Access control check for setting flags
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param flags File flags; see chflags(2)
-
-  Determine whether the subject identified by the credential can set
-  the passed flags on the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for setting flags
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param flags File flags; see chflags(2)
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  the passed flags on the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_setflags_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        u_long flags
 typedef int mpo_vnode_check_setflags_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        u_long flags

-);
+       );

 /**
 /**

-  @brief Access control check for setting mode
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param mode File mode; see chmod(2)
-
-  Determine whether the subject identified by the credential can set
-  the passed mode on the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for setting mode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param mode File mode; see chmod(2)
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  the passed mode on the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_setmode_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        mode_t mode
 typedef int mpo_vnode_check_setmode_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        mode_t mode

-);
-/**
-  @brief Access control check for setting uid and gid
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param uid User ID
-  @param gid Group ID
-
-  Determine whether the subject identified by the credential can set
-  the passed uid and passed gid as file uid and file gid on the passed
-  vnode. The IDs may be set to (-1) to request no update.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for setting uid and gid
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param uid User ID
+ *  @param gid Group ID
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  the passed uid and passed gid as file uid and file gid on the passed
+ *  vnode. The IDs may be set to (-1) to request no update.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_setowner_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        uid_t uid,
        gid_t gid
 typedef int mpo_vnode_check_setowner_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        uid_t uid,
        gid_t gid

-);
-/**
-  @brief Access control check for setting timestamps
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label for vp
-  @param atime Access time; see utimes(2)
-  @param mtime Modification time; see utimes(2)
-
-  Determine whether the subject identified by the credential can set
-  the passed access timestamps on the passed vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for setting timestamps
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param atime Access time; see utimes(2)
+ *  @param mtime Modification time; see utimes(2)
+ *
+ *  Determine whether the subject identified by the credential can set
+ *  the passed access timestamps on the passed vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_setutimes_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        struct timespec atime,
        struct timespec mtime
 typedef int mpo_vnode_check_setutimes_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        struct timespec atime,
        struct timespec mtime

-);
-/**
-  @brief Access control check for stat
-  @param active_cred Subject credential
-  @param file_cred Credential associated with the struct fileproc
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can stat
-  the passed vnode. See stat(2) for more information.  The active_cred
-  hold the credentials of the subject performing the operation, and
-  file_cred holds the credentials of the subject that originally
-  opened the file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check after determining the code directory hash
+ *  @param vp vnode vnode to combine into proc
+ *  @param label label associated with the vnode
+ *  @param cpu_type cpu type of the signature being checked
+ *  @param cs_blob the code signature to check
+ *  @param cs_flags update code signing flags if needed
+ *  @param signer_type output parameter for the code signature's signer type
+ *  @param flags operational flag to mpo_vnode_check_signature
+ *  @param fatal_failure_desc description of fatal failure
+ *  @param fatal_failure_desc_len failure description len, failure is fatal if non-0
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.
+ */
+typedef int mpo_vnode_check_signature_t(
+       struct vnode *vp,
+       struct label *label,
+       cpu_type_t cpu_type,
+       struct cs_blob *cs_blob,
+       unsigned int *cs_flags,
+       unsigned int *signer_type,
+       int flags,
+       char **fatal_failure_desc, size_t *fatal_failure_desc_len
+       );
+/**
+ *  @brief Access control check for stat
+ *  @param active_cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can stat
+ *  the passed vnode. See stat(2) for more information.  The active_cred
+ *  hold the credentials of the subject performing the operation, and
+ *  file_cred holds the credentials of the subject that originally
+ *  opened the file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_stat_t(
        struct ucred *active_cred,
 typedef int mpo_vnode_check_stat_t(
        struct ucred *active_cred,

-       struct ucred *file_cred,        /* NULLOK */
+       struct ucred *file_cred,        /* NULLOK */

        struct vnode *vp,
        struct label *label
        struct vnode *vp,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Access control check for truncate/ftruncate
-  @param active_cred Subject credential
-  @param file_cred Credential associated with the struct fileproc
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can
-  perform a truncate operation on the passed vnode.  The active_cred hold
-  the credentials of the subject performing the operation, and
-  file_cred holds the credentials of the subject that originally
-  opened the file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for vnode trigger resolution
+ *  @param cred Subject credential
+ *  @param dvp Object vnode
+ *  @param dlabel Policy label for dvp
+ *  @param cnp Component name that triggered resolution
+ *
+ *  Determine whether the subject identified by the credential can trigger
+ *  resolution of the passed name (cnp) in the passed directory vnode
+ *  via an external trigger resolver.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */
+typedef int mpo_vnode_check_trigger_resolve_t(
+       kauth_cred_t cred,
+       struct vnode *dvp,
+       struct label *dlabel,
+       struct componentname *cnp
+       );
+/**
+ *  @brief Access control check for truncate/ftruncate
+ *  @param active_cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a truncate operation on the passed vnode.  The active_cred hold
+ *  the credentials of the subject performing the operation, and
+ *  file_cred holds the credentials of the subject that originally
+ *  opened the file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_truncate_t(
        kauth_cred_t active_cred,
 typedef int mpo_vnode_check_truncate_t(
        kauth_cred_t active_cred,

-       kauth_cred_t file_cred, /* NULLOK */
+       kauth_cred_t file_cred, /* NULLOK */

        struct vnode *vp,
        struct label *label
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Access control check for binding UNIX domain socket
-  @param cred Subject credential
-  @param dvp Directory vnode
-  @param dlabel Policy label for dvp
-  @param cnp Component name for dvp
-  @param vap vnode attributes for vap
-
-  Determine whether the subject identified by the credential can perform a
-  bind operation on a UNIX domain socket with the passed parent directory,
-  passed name information, and passed attribute information.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       );
+/**
+ *  @brief Access control check for binding UNIX domain socket
+ *  @param cred Subject credential
+ *  @param dvp Directory vnode
+ *  @param dlabel Policy label for dvp
+ *  @param cnp Component name for dvp
+ *  @param vap vnode attributes for vap
+ *
+ *  Determine whether the subject identified by the credential can perform a
+ *  bind operation on a UNIX domain socket with the passed parent directory,
+ *  passed name information, and passed attribute information.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_uipc_bind_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp,
        struct vnode_attr *vap
 typedef int mpo_vnode_check_uipc_bind_t(
        kauth_cred_t cred,
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp,
        struct vnode_attr *vap

-);
+       );

 /**
 /**

-  @brief Access control check for connecting UNIX domain socket
-  @param cred Subject credential
-  @param vp Object vnode
-  @param label Policy label associated with vp
-
-  Determine whether the subject identified by the credential can perform a
-  connect operation on the passed UNIX domain socket vnode.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for connecting UNIX domain socket
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label associated with vp
+ *  @param so Socket
+ *
+ *  Determine whether the subject identified by the credential can perform a
+ *  connect operation on the passed UNIX domain socket vnode.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_uipc_connect_t(
        kauth_cred_t cred,
        struct vnode *vp,
 typedef int mpo_vnode_check_uipc_connect_t(
        kauth_cred_t cred,
        struct vnode *vp,

-       struct label *label
-);
-/**
-  @brief Access control check for deleting vnode
-  @param cred Subject credential
-  @param dvp Parent directory vnode
-  @param dlabel Policy label for dvp
-  @param vp Object vnode to delete
-  @param label Policy label for vp
-  @param cnp Component name for vp
-  @see mpo_check_rename_to_t
-
-  Determine whether the subject identified by the credential can delete
-  a vnode from the passed parent directory and passed name information.
-  This call may be made in a number of situations, including as a
-  results of calls to unlink(2) and rmdir(2). Policies implementing
-  this entry point should also implement mpo_check_rename_to to
-  authorize deletion of objects as a result of being the target of a rename.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+       struct label *label,
+       socket_t so
+       );
+/**
+ *  @brief Access control check for deleting vnode
+ *  @param cred Subject credential
+ *  @param dvp Parent directory vnode
+ *  @param dlabel Policy label for dvp
+ *  @param vp Object vnode to delete
+ *  @param label Policy label for vp
+ *  @param cnp Component name for vp
+ *  @see mpo_check_rename_to_t
+ *
+ *  Determine whether the subject identified by the credential can delete
+ *  a vnode from the passed parent directory and passed name information.
+ *  This call may be made in a number of situations, including as a
+ *  results of calls to unlink(2) and rmdir(2). Policies implementing
+ *  this entry point should also implement mpo_check_rename_to to
+ *  authorize deletion of objects as a result of being the target of a rename.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_unlink_t(
        kauth_cred_t cred,
        struct vnode *dvp,
 typedef int mpo_vnode_check_unlink_t(
        kauth_cred_t cred,
        struct vnode *dvp,


@@ -5252,43 +5569,43 @@ typedef int mpo_vnode_check_unlink_t(
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp
        struct vnode *vp,
        struct label *label,
        struct componentname *cnp

-);
+       );

 /**
 /**

-  @brief Access control check for write
-  @param active_cred Subject credential
-  @param file_cred Credential associated with the struct fileproc
-  @param vp Object vnode
-  @param label Policy label for vp
-
-  Determine whether the subject identified by the credential can
-  perform a write operation on the passed vnode.  The active_cred hold
-  the credentials of the subject performing the operation, and
-  file_cred holds the credentials of the subject that originally
-  opened the file.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EACCES for label mismatch or
-  EPERM for lack of privilege.
-*/
+ *  @brief Access control check for write
+ *  @param active_cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Determine whether the subject identified by the credential can
+ *  perform a write operation on the passed vnode.  The active_cred hold
+ *  the credentials of the subject performing the operation, and
+ *  file_cred holds the credentials of the subject that originally
+ *  opened the file.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EACCES for label mismatch or
+ *  EPERM for lack of privilege.
+ */

 typedef int mpo_vnode_check_write_t(
        kauth_cred_t active_cred,
 typedef int mpo_vnode_check_write_t(
        kauth_cred_t active_cred,

-       kauth_cred_t file_cred, /* NULLOK */
+       kauth_cred_t file_cred, /* NULLOK */

        struct vnode *vp,
        struct label *label
        struct vnode *vp,
        struct label *label

-);
-/**
-  @brief Associate a vnode with a devfs entry
-  @param mp Devfs mount point
-  @param mntlabel Devfs mount point label
-  @param de Devfs directory entry
-  @param delabel Label associated with de
-  @param vp vnode associated with de
-  @param vlabel Label associated with vp
-
-  Fill in the label (vlabel) for a newly created devfs vnode.  The
-  label is typically derived from the label on the devfs directory
-  entry or the label on the filesystem, supplied as parameters.
-*/
+       );
+/**
+ *  @brief Associate a vnode with a devfs entry
+ *  @param mp Devfs mount point
+ *  @param mntlabel Devfs mount point label
+ *  @param de Devfs directory entry
+ *  @param delabel Label associated with de
+ *  @param vp vnode associated with de
+ *  @param vlabel Label associated with vp
+ *
+ *  Fill in the label (vlabel) for a newly created devfs vnode.  The
+ *  label is typically derived from the label on the devfs directory
+ *  entry or the label on the filesystem, supplied as parameters.
+ */

 typedef void mpo_vnode_label_associate_devfs_t(
        struct mount *mp,
        struct label *mntlabel,
 typedef void mpo_vnode_label_associate_devfs_t(
        struct mount *mp,
        struct label *mntlabel,


@@ -5296,50 +5613,50 @@ typedef void mpo_vnode_label_associate_devfs_t(
        struct label *delabel,
        struct vnode *vp,
        struct label *vlabel
        struct label *delabel,
        struct vnode *vp,
        struct label *vlabel

-);
+       );

 /**
 /**

-  @brief Associate a label with a vnode
-  @param mp File system mount point
-  @param mntlabel File system mount point label
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Attempt to retrieve label information for the vnode, vp, from the
-  file system extended attribute store.  The label should be stored in
-  the supplied vlabel parameter.  If a policy cannot retrieve an
-  extended attribute, sometimes it is acceptible to fallback to using
-  the mntlabel.
-
-  If the policy requires vnodes to have a valid label elsewhere it
-  MUST NOT return other than temporary errors, and must always provide
-  a valid label of some sort.  Returning an error will cause vnode
-  labeling to be retried at a later access.  Failure to handle policy
-  centric errors internally (corrupt labels etc.) will result in
-  inaccessible files.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-*/
+ *  @brief Associate a label with a vnode
+ *  @param mp File system mount point
+ *  @param mntlabel File system mount point label
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Attempt to retrieve label information for the vnode, vp, from the
+ *  file system extended attribute store.  The label should be stored in
+ *  the supplied vlabel parameter.  If a policy cannot retrieve an
+ *  extended attribute, sometimes it is acceptible to fallback to using
+ *  the mntlabel.
+ *
+ *  If the policy requires vnodes to have a valid label elsewhere it
+ *  MUST NOT return other than temporary errors, and must always provide
+ *  a valid label of some sort.  Returning an error will cause vnode
+ *  labeling to be retried at a later access.  Failure to handle policy
+ *  centric errors internally (corrupt labels etc.) will result in
+ *  inaccessible files.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ */

 typedef int mpo_vnode_label_associate_extattr_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel
 typedef int mpo_vnode_label_associate_extattr_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Associate a file label with a vnode
-  @param cred User credential
-  @param mp Fdesc mount point
-  @param mntlabel Fdesc mount point label
-  @param fg Fileglob structure
-  @param label Policy label for fg
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Associate label information for the vnode, vp, with the label of
-  the open file descriptor described by fg.
-  The label should be stored in the supplied vlabel parameter.
-*/
+       );
+/**
+ *  @brief Associate a file label with a vnode
+ *  @param cred User credential
+ *  @param mp Fdesc mount point
+ *  @param mntlabel Fdesc mount point label
+ *  @param fg Fileglob structure
+ *  @param label Policy label for fg
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Associate label information for the vnode, vp, with the label of
+ *  the open file descriptor described by fg.
+ *  The label should be stored in the supplied vlabel parameter.
+ */

 typedef void mpo_vnode_label_associate_file_t(
        struct ucred *cred,
        struct mount *mp,
 typedef void mpo_vnode_label_associate_file_t(
        struct ucred *cred,
        struct mount *mp,


@@ -5348,327 +5665,328 @@ typedef void mpo_vnode_label_associate_file_t(
        struct label *label,
        struct vnode *vp,
        struct label *vlabel
        struct label *label,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Associate a pipe label with a vnode
-  @param cred User credential for the process that opened the pipe
-  @param cpipe Pipe structure
-  @param pipelabel Label associated with pipe
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Associate label information for the vnode, vp, with the label of
-  the pipe described by the pipe structure cpipe.
-  The label should be stored in the supplied vlabel parameter.
-*/
+       );
+/**
+ *  @brief Associate a pipe label with a vnode
+ *  @param cred User credential for the process that opened the pipe
+ *  @param cpipe Pipe structure
+ *  @param pipelabel Label associated with pipe
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Associate label information for the vnode, vp, with the label of
+ *  the pipe described by the pipe structure cpipe.
+ *  The label should be stored in the supplied vlabel parameter.
+ */

 typedef void mpo_vnode_label_associate_pipe_t(
        struct ucred *cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        struct vnode *vp,
        struct label *vlabel
 typedef void mpo_vnode_label_associate_pipe_t(
        struct ucred *cred,
        struct pipe *cpipe,
        struct label *pipelabel,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Associate a POSIX semaphore label with a vnode
-  @param cred User credential for the process that create psem
-  @param psem POSIX semaphore structure
-  @param psemlabel Label associated with psem
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Associate label information for the vnode, vp, with the label of
-  the POSIX semaphore described by psem.
-  The label should be stored in the supplied vlabel parameter.
-*/
+       );
+/**
+ *  @brief Associate a POSIX semaphore label with a vnode
+ *  @param cred User credential for the process that create psem
+ *  @param psem POSIX semaphore structure
+ *  @param psemlabel Label associated with psem
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Associate label information for the vnode, vp, with the label of
+ *  the POSIX semaphore described by psem.
+ *  The label should be stored in the supplied vlabel parameter.
+ */

 typedef void mpo_vnode_label_associate_posixsem_t(
        struct ucred *cred,
        struct pseminfo *psem,
        struct label *psemlabel,
        struct vnode *vp,
        struct label *vlabel
 typedef void mpo_vnode_label_associate_posixsem_t(
        struct ucred *cred,
        struct pseminfo *psem,
        struct label *psemlabel,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Associate a POSIX shared memory label with a vnode
-  @param cred User credential for the process that created pshm
-  @param pshm POSIX shared memory structure
-  @param pshmlabel Label associated with pshm
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Associate label information for the vnode, vp, with the label of
-  the POSIX shared memory region described by pshm.
-  The label should be stored in the supplied vlabel parameter.
-*/
+       );
+/**
+ *  @brief Associate a POSIX shared memory label with a vnode
+ *  @param cred User credential for the process that created pshm
+ *  @param pshm POSIX shared memory structure
+ *  @param pshmlabel Label associated with pshm
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Associate label information for the vnode, vp, with the label of
+ *  the POSIX shared memory region described by pshm.
+ *  The label should be stored in the supplied vlabel parameter.
+ */

 typedef void mpo_vnode_label_associate_posixshm_t(
        struct ucred *cred,
        struct pshminfo *pshm,
        struct label *pshmlabel,
        struct vnode *vp,
        struct label *vlabel
 typedef void mpo_vnode_label_associate_posixshm_t(
        struct ucred *cred,
        struct pshminfo *pshm,
        struct label *pshmlabel,
        struct vnode *vp,
        struct label *vlabel

-);
+       );

 /**
 /**

-  @brief Associate a label with a vnode
-  @param mp File system mount point
-  @param mntlabel File system mount point label
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  On non-multilabel file systems, set the label for a vnode.  The
-  label will most likely be based on the file system label.
-*/
+ *  @brief Associate a label with a vnode
+ *  @param mp File system mount point
+ *  @param mntlabel File system mount point label
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  On non-multilabel file systems, set the label for a vnode.  The
+ *  label will most likely be based on the file system label.
+ */

 typedef void mpo_vnode_label_associate_singlelabel_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel
 typedef void mpo_vnode_label_associate_singlelabel_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel

-);
-/**
-  @brief Associate a socket label with a vnode
-  @param cred User credential for the process that opened the socket
-  @param so Socket structure
-  @param solabel Label associated with so
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-
-  Associate label information for the vnode, vp, with the label of
-  the open socket described by the socket structure so.
-  The label should be stored in the supplied vlabel parameter.
-*/
+       );
+/**
+ *  @brief Associate a socket label with a vnode
+ *  @param cred User credential for the process that opened the socket
+ *  @param so Socket structure
+ *  @param solabel Label associated with so
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *
+ *  Associate label information for the vnode, vp, with the label of
+ *  the open socket described by the socket structure so.
+ *  The label should be stored in the supplied vlabel parameter.
+ */

 typedef void mpo_vnode_label_associate_socket_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *solabel,
        struct vnode *vp,
        struct label *vlabel
 typedef void mpo_vnode_label_associate_socket_t(
        kauth_cred_t cred,
        socket_t so,
        struct label *solabel,
        struct vnode *vp,
        struct label *vlabel

-);
+       );

 /**
 /**

-  @brief Copy a vnode label
-  @param src Source vnode label
-  @param dest Destination vnode label
-
-  Copy the vnode label information from src to dest.  On Darwin, this
-  is currently only necessary when executing interpreted scripts, but
-  will later be used if vnode label externalization cannot be an
-  atomic operation.
-*/
+ *  @brief Copy a vnode label
+ *  @param src Source vnode label
+ *  @param dest Destination vnode label
+ *
+ *  Copy the vnode label information from src to dest.  On Darwin, this
+ *  is currently only necessary when executing interpreted scripts, but
+ *  will later be used if vnode label externalization cannot be an
+ *  atomic operation.
+ */

 typedef void mpo_vnode_label_copy_t(
        struct label *src,
        struct label *dest
 typedef void mpo_vnode_label_copy_t(
        struct label *src,
        struct label *dest

-);
+       );

 /**
 /**

-  @brief Destroy vnode label
-  @param label The label to be destroyed
-
-  Destroy a vnode label.  Since the object is going out of scope,
-  policy modules should free any internal storage associated with the
-  label so that it may be destroyed.
-*/
+ *  @brief Destroy vnode label
+ *  @param label The label to be destroyed
+ *
+ *  Destroy a vnode label.  Since the object is going out of scope,
+ *  policy modules should free any internal storage associated with the
+ *  label so that it may be destroyed.
+ */

 typedef void mpo_vnode_label_destroy_t(
        struct label *label
 typedef void mpo_vnode_label_destroy_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Externalize a vnode label for auditing
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a vnode suitable for
-  inclusion in an audit record.  An externalized label consists of a text
-  representation of the label contents that will be added to the audit record
-  as part of a text token.  Policy-agnostic user space tools will display
-  this externalized version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a vnode label for auditing
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on a vnode suitable for
+ *  inclusion in an audit record.  An externalized label consists of a text
+ *  representation of the label contents that will be added to the audit record
+ *  as part of a text token.  Policy-agnostic user space tools will display
+ *  this externalized version.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_vnode_label_externalize_audit_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_vnode_label_externalize_audit_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Externalize a vnode label
-  @param label Label to be externalized
-  @param element_name Name of the label namespace for which labels should be
-  externalized
-  @param sb String buffer to be filled with a text representation of the label
-
-  Produce an external representation of the label on a vnode.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will display this externalized version.
-
-  @return 0 on success, return non-zero if an error occurs while
-  externalizing the label data.
-
-*/
+ *  @brief Externalize a vnode label
+ *  @param label Label to be externalized
+ *  @param element_name Name of the label namespace for which labels should be
+ *  externalized
+ *  @param sb String buffer to be filled with a text representation of the label
+ *
+ *  Produce an external representation of the label on a vnode.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will display this externalized version.
+ *
+ *  @return 0 on success, return non-zero if an error occurs while
+ *  externalizing the label data.
+ *
+ */

 typedef int mpo_vnode_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb
 typedef int mpo_vnode_label_externalize_t(
        struct label *label,
        char *element_name,
        struct sbuf *sb

-);
+       );

 /**
 /**

-  @brief Initialize vnode label
-  @param label New label to initialize
-
-  Initialize label storage for use with a newly instantiated vnode, or
-  for temporary storage associated with the copying in or out of a
-  vnode label.  While it is necessary to allocate space for a
-  kernel-resident vnode label, it is not yet necessary to link this vnode
-  with persistent label storage facilities, such as extended attributes.
-  Sleeping is permitted.
-*/
+ *  @brief Initialize vnode label
+ *  @param label New label to initialize
+ *
+ *  Initialize label storage for use with a newly instantiated vnode, or
+ *  for temporary storage associated with the copying in or out of a
+ *  vnode label.  While it is necessary to allocate space for a
+ *  kernel-resident vnode label, it is not yet necessary to link this vnode
+ *  with persistent label storage facilities, such as extended attributes.
+ *  Sleeping is permitted.
+ */

 typedef void mpo_vnode_label_init_t(
        struct label *label
 typedef void mpo_vnode_label_init_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Internalize a vnode label
-  @param label Label to be internalized
-  @param element_name Name of the label namespace for which the label should
-  be internalized
-  @param element_data Text data to be internalized
-
-  Produce a vnode label from an external representation.  An
-  externalized label consists of a text representation of the label
-  contents that can be used with user applications.  Policy-agnostic
-  user space tools will forward text version to the kernel for
-  processing by individual policy modules.
-
-  The policy's internalize entry points will be called only if the
-  policy has registered interest in the label namespace.
-
-  @return 0 on success, Otherwise, return non-zero if an error occurs
-  while internalizing the label data.
-*/
+ *  @brief Internalize a vnode label
+ *  @param label Label to be internalized
+ *  @param element_name Name of the label namespace for which the label should
+ *  be internalized
+ *  @param element_data Text data to be internalized
+ *
+ *  Produce a vnode label from an external representation.  An
+ *  externalized label consists of a text representation of the label
+ *  contents that can be used with user applications.  Policy-agnostic
+ *  user space tools will forward text version to the kernel for
+ *  processing by individual policy modules.
+ *
+ *  The policy's internalize entry points will be called only if the
+ *  policy has registered interest in the label namespace.
+ *
+ *  @return 0 on success, Otherwise, return non-zero if an error occurs
+ *  while internalizing the label data.
+ */

 typedef int mpo_vnode_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data
 typedef int mpo_vnode_label_internalize_t(
        struct label *label,
        char *element_name,
        char *element_data

-);
+       );

 /**
 /**

-  @brief Clean up a vnode label
-  @param label The label to be cleaned for re-use
-
-  Clean up a vnode label.  Darwin (Tiger, 8.x) allocates vnodes on demand, but
-  typically never frees them.  Before vnodes are placed back on free lists for
-  re-use, policies can cleanup or overwrite any information present in the label.
-*/
+ *  @brief Clean up a vnode label
+ *  @param label The label to be cleaned or purged
+ *
+ *  Clean up a vnode label.  Darwin (Tiger, 8.x) allocates vnodes on demand, but
+ *  typically never frees them.  Before vnodes are placed back on free lists for
+ *  re-use, policies can cleanup or overwrite any information present in the label,
+ *  or free any internal resources used for the label.
+ */

 typedef void mpo_vnode_label_recycle_t(
        struct label *label
 typedef void mpo_vnode_label_recycle_t(
        struct label *label

-);
+       );

 /**
 /**

-  @brief Write a label to a extended attribute
-  @param cred Subject credential
-  @param vp The vnode for which the label is being stored
-  @param vlabel Label associated with vp
-  @param intlabel The new label to store
-
-  Store a new label in the extended attribute corresponding to the
-  supplied vnode.  The policy has already authorized the operation;
-  this call must be implemented in order to perform the actual
-  operation.
-
-  @return In the event of an error, an appropriate value for errno
-  should be returned, otherwise return 0 upon success.
-
-  @warning XXX After examining the extended attribute implementation on
-  Apple's future release, this entry point may be changed.
-*/
+ *  @brief Write a label to a extended attribute
+ *  @param cred Subject credential
+ *  @param vp The vnode for which the label is being stored
+ *  @param vlabel Label associated with vp
+ *  @param intlabel The new label to store
+ *
+ *  Store a new label in the extended attribute corresponding to the
+ *  supplied vnode.  The policy has already authorized the operation;
+ *  this call must be implemented in order to perform the actual
+ *  operation.
+ *
+ *  @return In the event of an error, an appropriate value for errno
+ *  should be returned, otherwise return 0 upon success.
+ *
+ *  @warning XXX After examining the extended attribute implementation on
+ *  Apple's future release, this entry point may be changed.
+ */

 typedef int mpo_vnode_label_store_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct label *intlabel
 typedef int mpo_vnode_label_store_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vlabel,
        struct label *intlabel

-);
-/**
-  @brief Update vnode label from extended attributes
-  @param mp File system mount point
-  @param mntlabel Mount point label
-  @param vp Vnode to label
-  @param vlabel Label associated with vp
-  @param name Name of the xattr
-  @see mpo_vnode_check_setextattr_t
-
-  When an extended attribute is updated via the Vendor attribute management
-  functions, the MAC vnode label might also require an update.
-  Policies should first determine if 'name' matches their xattr label
-  name.  If it does, the kernel is has either replaced or removed the
-  named extended attribute that was previously associated with the
-  vnode.  Normally labels should only be modified via MAC Framework label
-  management calls, but sometimes the user space components will directly
-  modify extended attributes.  For example, 'cp', 'tar', etc. manage
-  extended attributes in userspace, not the kernel.
-
-  This entry point is called after the label update has occurred, so
-  it cannot return a failure.  However, the operation is preceded by
-  the mpo_vnode_check_setextattr() access control check.
-
-  If the vnode label needs to be updated the policy should return
-  a non-zero value.  The vnode label will be marked for re-association
-  by the framework.
-*/
+       );
+/**
+ *  @brief Update vnode label from extended attributes
+ *  @param mp File system mount point
+ *  @param mntlabel Mount point label
+ *  @param vp Vnode to label
+ *  @param vlabel Label associated with vp
+ *  @param name Name of the xattr
+ *  @see mpo_vnode_check_setextattr_t
+ *
+ *  When an extended attribute is updated via the Vendor attribute management
+ *  functions, the MAC vnode label might also require an update.
+ *  Policies should first determine if 'name' matches their xattr label
+ *  name.  If it does, the kernel is has either replaced or removed the
+ *  named extended attribute that was previously associated with the
+ *  vnode.  Normally labels should only be modified via MAC Framework label
+ *  management calls, but sometimes the user space components will directly
+ *  modify extended attributes.  For example, 'cp', 'tar', etc. manage
+ *  extended attributes in userspace, not the kernel.
+ *
+ *  This entry point is called after the label update has occurred, so
+ *  it cannot return a failure.  However, the operation is preceded by
+ *  the mpo_vnode_check_setextattr() access control check.
+ *
+ *  If the vnode label needs to be updated the policy should return
+ *  a non-zero value.  The vnode label will be marked for re-association
+ *  by the framework.
+ */

 typedef int mpo_vnode_label_update_extattr_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel,
        const char *name
 typedef int mpo_vnode_label_update_extattr_t(
        struct mount *mp,
        struct label *mntlabel,
        struct vnode *vp,
        struct label *vlabel,
        const char *name

-);
-/**
-  @brief Update a vnode label
-  @param cred Subject credential
-  @param vp The vnode to relabel
-  @param vnodelabel Existing vnode label
-  @param label New label to replace existing label
-  @see mpo_vnode_check_label_update_t
-
-  The subject identified by the credential has previously requested
-  and was authorized to relabel the vnode; this entry point allows
-  policies to perform the actual relabel operation.  Policies should
-  update vnodelabel using the label stored in the label parameter.
-*/
+       );
+/**
+ *  @brief Update a vnode label
+ *  @param cred Subject credential
+ *  @param vp The vnode to relabel
+ *  @param vnodelabel Existing vnode label
+ *  @param label New label to replace existing label
+ *  @see mpo_vnode_check_label_update_t
+ *
+ *  The subject identified by the credential has previously requested
+ *  and was authorized to relabel the vnode; this entry point allows
+ *  policies to perform the actual relabel operation.  Policies should
+ *  update vnodelabel using the label stored in the label parameter.
+ */

 typedef void mpo_vnode_label_update_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vnodelabel,
        struct label *label
 typedef void mpo_vnode_label_update_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *vnodelabel,
        struct label *label

-);
+       );

 /**
 /**

-  @brief Find deatched signatures for a shared library
-  @param p file trying to find the signature
-  @param vp The vnode to relabel
-  @param offset offset in the macho that the signature is requested for (for fat binaries)
-  @param label Existing vnode label
-
-*/
+ *  @brief Find deatched signatures for a shared library
+ *  @param p file trying to find the signature
+ *  @param vp The vnode to relabel
+ *  @param offset offset in the macho that the signature is requested for (for fat binaries)
+ *  @param label Existing vnode label
+ *
+ */

 typedef int mpo_vnode_find_sigs_t(
        struct proc *p,
        struct vnode *vp,
        off_t offset,
        struct label *label
 typedef int mpo_vnode_find_sigs_t(
        struct proc *p,
        struct vnode *vp,
        off_t offset,
        struct label *label

-);
-/**
-  @brief Create a new vnode, backed by extended attributes
-  @param cred User credential for the creating process
-  @param mp File system mount point
-  @param mntlabel File system mount point label
-  @param dvp Parent directory vnode
-  @param dlabel Parent directory vnode label
-  @param vp Newly created vnode
-  @param vlabel Label to associate with the new vnode
-  @param cnp Component name for vp
-
-  Write out the label for the newly created vnode, most likely storing
-  the results in a file system extended attribute.  Most policies will
-  derive the new vnode label using information from a combination
-  of the subject (user) credential, the file system label, the parent
-  directory label, and potentially the path name component.
-
-  @return If the operation succeeds, store the new label in vlabel and
-  return 0.  Otherwise, return an appropriate errno value.
-*/
+       );
+/**
+ *  @brief Create a new vnode, backed by extended attributes
+ *  @param cred User credential for the creating process
+ *  @param mp File system mount point
+ *  @param mntlabel File system mount point label
+ *  @param dvp Parent directory vnode
+ *  @param dlabel Parent directory vnode label
+ *  @param vp Newly created vnode
+ *  @param vlabel Label to associate with the new vnode
+ *  @param cnp Component name for vp
+ *
+ *  Write out the label for the newly created vnode, most likely storing
+ *  the results in a file system extended attribute.  Most policies will
+ *  derive the new vnode label using information from a combination
+ *  of the subject (user) credential, the file system label, the parent
+ *  directory label, and potentially the path name component.
+ *
+ *  @return If the operation succeeds, store the new label in vlabel and
+ *  return 0.  Otherwise, return an appropriate errno value.
+ */

 typedef int mpo_vnode_notify_create_t(
        kauth_cred_t cred,
        struct mount *mp,
 typedef int mpo_vnode_notify_create_t(
        kauth_cred_t cred,
        struct mount *mp,


@@ -5678,35 +5996,35 @@ typedef int mpo_vnode_notify_create_t(
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp

-);
+       );

 
 /**
 
 /**

-  @brief Inform MAC policies that a vnode has been opened
-  @param cred User credential for the creating process
-  @param vp vnode opened
-  @param label Policy label for the vp
-  @param acc_mode open(2) access mode used
-
-  Inform Mac policies that a vnode have been successfully opened
-  (passing all MAC polices and DAC).
-*/
+ *  @brief Inform MAC policies that a vnode has been opened
+ *  @param cred User credential for the creating process
+ *  @param vp vnode opened
+ *  @param label Policy label for the vp
+ *  @param acc_mode open(2) access mode used
+ *
+ *  Inform Mac policies that a vnode have been successfully opened
+ *  (passing all MAC polices and DAC).
+ */

 typedef void mpo_vnode_notify_open_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode
 typedef void mpo_vnode_notify_open_t(
        kauth_cred_t cred,
        struct vnode *vp,
        struct label *label,
        int acc_mode

-);
+       );

 
 /**
 
 /**

-  @brief Inform MAC policies that a vnode has been renamed
-  @param cred User credential for the renaming process
-  @param vp Vnode that's being renamed
-  @param label Policy label for vp
-  @param dvp Parent directory for the destination
-  @param dlabel Policy label for dvp
-  @param cnp Component name for the destination
-
-  Inform MAC policies that a vnode has been renamed.
+ *  @brief Inform MAC policies that a vnode has been renamed
+ *  @param cred User credential for the renaming process
+ *  @param vp Vnode that's being renamed
+ *  @param label Policy label for vp
+ *  @param dvp Parent directory for the destination
+ *  @param dlabel Policy label for dvp
+ *  @param cnp Component name for the destination
+ *
+ *  Inform MAC policies that a vnode has been renamed.

  */
 typedef void mpo_vnode_notify_rename_t(
        kauth_cred_t cred,
  */
 typedef void mpo_vnode_notify_rename_t(
        kauth_cred_t cred,


@@ -5715,18 +6033,18 @@ typedef void mpo_vnode_notify_rename_t(
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp
        struct vnode *dvp,
        struct label *dlabel,
        struct componentname *cnp

-);
+       );

 
 /**
 
 /**

-  @brief Inform MAC policies that a vnode has been linked
-  @param cred User credential for the renaming process
-  @param dvp Parent directory for the destination
-  @param dlabel Policy label for dvp
-  @param vp Vnode that's being linked
-  @param vlabel Policy label for vp
-  @param cnp Component name for the destination
-
-  Inform MAC policies that a vnode has been linked.
+ *  @brief Inform MAC policies that a vnode has been linked
+ *  @param cred User credential for the renaming process
+ *  @param dvp Parent directory for the destination
+ *  @param dlabel Policy label for dvp
+ *  @param vp Vnode that's being linked
+ *  @param vlabel Policy label for vp
+ *  @param cnp Component name for the destination
+ *
+ *  Inform MAC policies that a vnode has been linked.

  */
 typedef void mpo_vnode_notify_link_t(
        kauth_cred_t cred,
  */
 typedef void mpo_vnode_notify_link_t(
        kauth_cred_t cred,


@@ -5735,71 +6053,237 @@ typedef void mpo_vnode_notify_link_t(
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp
        struct vnode *vp,
        struct label *vlabel,
        struct componentname *cnp

-);
+       );
+
+/**
+ *  @brief Inform MAC policies that an extended attribute has been removed from a vnode
+ *  @param cred Subject credential
+ *  @param vp Object node
+ *  @param label Policy label for vp
+ *  @param name Extended attribute name
+ *
+ *  Inform MAC policies that an extended attribute has been removed from a vnode.
+ */
+typedef void mpo_vnode_notify_deleteextattr_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       const char *name
+       );
+
+
+/**
+ *  @brief Inform MAC policies that an ACL has been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object node
+ *  @param label Policy label for vp
+ *  @param acl ACL structure pointer
+ *
+ *  Inform MAC policies that an ACL has been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setacl_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       struct kauth_acl *acl
+       );
+
+/**
+ *  @brief Inform MAC policies that an attributes have been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param alist List of attributes to set
+ *
+ *  Inform MAC policies that an attributes have been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setattrlist_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       struct attrlist *alist
+       );
+
+/**
+ *  @brief Inform MAC policies that an extended attribute has been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param name Extended attribute name
+ *  @param uio I/O structure pointer
+ *
+ *  Inform MAC policies that an extended attribute has been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setextattr_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       const char *name,
+       struct uio *uio
+       );
+
+/**
+ *  @brief Inform MAC policies that flags have been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param flags File flags; see chflags(2)
+ *
+ *  Inform MAC policies that flags have been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setflags_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       u_long flags
+       );
+
+/**
+ *  @brief Inform MAC policies that a new mode has been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param mode File mode; see chmod(2)
+ *
+ *  Inform MAC policies that a new mode has been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setmode_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       mode_t mode
+       );
+
+/**
+ *  @brief Inform MAC policies that new uid/gid have been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param uid User ID
+ *  @param gid Group ID
+ *
+ *  Inform MAC policies that new uid/gid have been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setowner_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       uid_t uid,
+       gid_t gid
+       );
+
+/**
+ *  @brief Inform MAC policies that new timestamps have been set on a vnode
+ *  @param cred Subject credential
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *  @param atime Access time; see utimes(2)
+ *  @param mtime Modification time; see utimes(2)
+ *
+ *  Inform MAC policies that new timestamps have been set on a vnode.
+ */
+typedef void mpo_vnode_notify_setutimes_t(
+       kauth_cred_t cred,
+       struct vnode *vp,
+       struct label *label,
+       struct timespec atime,
+       struct timespec mtime
+       );
+
+/**
+ *  @brief Inform MAC policies that a vnode has been truncated
+ *  @param cred Subject credential
+ *  @param file_cred Credential associated with the struct fileproc
+ *  @param vp Object vnode
+ *  @param label Policy label for vp
+ *
+ *  Inform MAC policies that a vnode has been truncated.
+ */
+typedef void mpo_vnode_notify_truncate_t(
+       kauth_cred_t cred,
+       kauth_cred_t file_cred,
+       struct vnode *vp,
+       struct label *label
+       );
+

 
 /**
 
 /**

-  @brief Inform MAC policies that a pty slave has been granted
-  @param p Responsible process
-  @param tp tty data structure
-  @param dev Major and minor numbers of device
-  @param label Policy label for tp
-  
-  Inform MAC policies that a pty slave has been granted.
-*/
+ *  @brief Inform MAC policies that a pty slave has been granted
+ *  @param p Responsible process
+ *  @param tp tty data structure
+ *  @param dev Major and minor numbers of device
+ *  @param label Policy label for tp
+ *
+ *  Inform MAC policies that a pty slave has been granted.
+ */

 typedef void mpo_pty_notify_grant_t(
        proc_t p,
        struct tty *tp,
        dev_t dev,
        struct label *label
 typedef void mpo_pty_notify_grant_t(
        proc_t p,
        struct tty *tp,
        dev_t dev,
        struct label *label

-);
+       );

 
 /**
 
 /**

-  @brief Inform MAC policies that a pty master has been closed
-  @param p Responsible process
-  @param tp tty data structure
-  @param dev Major and minor numbers of device
-  @param label Policy label for tp
-  
-  Inform MAC policies that a pty master has been closed.
-*/
+ *  @brief Inform MAC policies that a pty master has been closed
+ *  @param p Responsible process
+ *  @param tp tty data structure
+ *  @param dev Major and minor numbers of device
+ *  @param label Policy label for tp
+ *
+ *  Inform MAC policies that a pty master has been closed.
+ */

 typedef void mpo_pty_notify_close_t(
        proc_t p,
        struct tty *tp,
        dev_t dev,
        struct label *label
 typedef void mpo_pty_notify_close_t(
        proc_t p,
        struct tty *tp,
        dev_t dev,
        struct label *label

-);
+       );

 
 /**
 
 /**

-  @brief Access control check for kext loading
-  @param cred Subject credential
-  @param identifier Kext identifier
-
-  Determine whether the subject identified by the credential can load the
-  specified kext.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EPERM for lack of privilege.
-*/
+ *  @brief Access control check for kext loading
+ *  @param cred Subject credential
+ *  @param identifier Kext identifier
+ *
+ *  Determine whether the subject identified by the credential can load the
+ *  specified kext.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EPERM for lack of privilege.
+ */

 typedef int mpo_kext_check_load_t(
        kauth_cred_t cred,
        const char *identifier
 typedef int mpo_kext_check_load_t(
        kauth_cred_t cred,
        const char *identifier

-);
+       );

 
 /**
 
 /**

-  @brief Access control check for kext unloading
-  @param cred Subject credential
-  @param identifier Kext identifier
-
-  Determine whether the subject identified by the credential can unload the
-  specified kext.
-
-  @return Return 0 if access is granted, otherwise an appropriate value for
-  errno should be returned. Suggested failure: EPERM for lack of privilege.
-*/
+ *  @brief Access control check for kext unloading
+ *  @param cred Subject credential
+ *  @param identifier Kext identifier
+ *
+ *  Determine whether the subject identified by the credential can unload the
+ *  specified kext.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned. Suggested failure: EPERM for lack of privilege.
+ */

 typedef int mpo_kext_check_unload_t(
        kauth_cred_t cred,
        const char *identifier
 typedef int mpo_kext_check_unload_t(
        kauth_cred_t cred,
        const char *identifier

-);
+       );
+
+/**
+ *  @brief Access control check for querying information about loaded kexts
+ *  @param cred Subject credential
+ *
+ *  Determine whether the subject identified by the credential can query
+ *  information about loaded kexts.
+ *
+ *  @return Return 0 if access is granted, otherwise an appropriate value for
+ *  errno should be returned.  Suggested failure: EPERM for lack of privilege.
+ */
+typedef int mpo_kext_check_query_t(
+       kauth_cred_t cred
+       );

 
 /*
  * Placeholder for future events that may need mac hooks.
 
 /*
  * Placeholder for future events that may need mac hooks.


@@ -5812,590 +6296,632 @@ typedef void mpo_reserved_hook_t(void);
  * Please note that this should be kept in sync with the check assumptions
  * policy in bsd/kern/policy_check.c (policy_ops struct).
  */
  * Please note that this should be kept in sync with the check assumptions
  * policy in bsd/kern/policy_check.c (policy_ops struct).
  */

-#define MAC_POLICY_OPS_VERSION 31 /* inc when new reserved slots are taken */
+#define MAC_POLICY_OPS_VERSION 59 /* inc when new reserved slots are taken */

 struct mac_policy_ops {
 struct mac_policy_ops {

-       mpo_audit_check_postselect_t            *mpo_audit_check_postselect;
-       mpo_audit_check_preselect_t             *mpo_audit_check_preselect;
-
-       mpo_bpfdesc_label_associate_t           *mpo_bpfdesc_label_associate;
-       mpo_bpfdesc_label_destroy_t             *mpo_bpfdesc_label_destroy;
-       mpo_bpfdesc_label_init_t                *mpo_bpfdesc_label_init;
-       mpo_bpfdesc_check_receive_t             *mpo_bpfdesc_check_receive;
-
-       mpo_cred_check_label_update_execve_t    *mpo_cred_check_label_update_execve;
-       mpo_cred_check_label_update_t           *mpo_cred_check_label_update;
-       mpo_cred_check_visible_t                *mpo_cred_check_visible;
-       mpo_cred_label_associate_fork_t         *mpo_cred_label_associate_fork;
-       mpo_cred_label_associate_kernel_t       *mpo_cred_label_associate_kernel;
-       mpo_cred_label_associate_t              *mpo_cred_label_associate;
-       mpo_cred_label_associate_user_t         *mpo_cred_label_associate_user;
-       mpo_cred_label_destroy_t                *mpo_cred_label_destroy;
-       mpo_cred_label_externalize_audit_t      *mpo_cred_label_externalize_audit;
-       mpo_cred_label_externalize_t            *mpo_cred_label_externalize;
-       mpo_cred_label_init_t                   *mpo_cred_label_init;
-       mpo_cred_label_internalize_t            *mpo_cred_label_internalize;
-       mpo_cred_label_update_execve_t          *mpo_cred_label_update_execve;
-       mpo_cred_label_update_t                 *mpo_cred_label_update;
-
-       mpo_devfs_label_associate_device_t      *mpo_devfs_label_associate_device;
-       mpo_devfs_label_associate_directory_t   *mpo_devfs_label_associate_directory;
-       mpo_devfs_label_copy_t                  *mpo_devfs_label_copy;
-       mpo_devfs_label_destroy_t               *mpo_devfs_label_destroy;
-       mpo_devfs_label_init_t                  *mpo_devfs_label_init;
-       mpo_devfs_label_update_t                *mpo_devfs_label_update;
-
-       mpo_file_check_change_offset_t          *mpo_file_check_change_offset;
-       mpo_file_check_create_t                 *mpo_file_check_create;
-       mpo_file_check_dup_t                    *mpo_file_check_dup;
-       mpo_file_check_fcntl_t                  *mpo_file_check_fcntl;
-       mpo_file_check_get_offset_t             *mpo_file_check_get_offset;
-       mpo_file_check_get_t                    *mpo_file_check_get;
-       mpo_file_check_inherit_t                *mpo_file_check_inherit;
-       mpo_file_check_ioctl_t                  *mpo_file_check_ioctl;
-       mpo_file_check_lock_t                   *mpo_file_check_lock;
-       mpo_file_check_mmap_downgrade_t         *mpo_file_check_mmap_downgrade;
-       mpo_file_check_mmap_t                   *mpo_file_check_mmap;
-       mpo_file_check_receive_t                *mpo_file_check_receive;
-       mpo_file_check_set_t                    *mpo_file_check_set;
-       mpo_file_label_init_t                   *mpo_file_label_init;
-       mpo_file_label_destroy_t                *mpo_file_label_destroy;
-       mpo_file_label_associate_t              *mpo_file_label_associate;
-
-       mpo_ifnet_check_label_update_t          *mpo_ifnet_check_label_update;
-       mpo_ifnet_check_transmit_t              *mpo_ifnet_check_transmit;
-       mpo_ifnet_label_associate_t             *mpo_ifnet_label_associate;
-       mpo_ifnet_label_copy_t                  *mpo_ifnet_label_copy;
-       mpo_ifnet_label_destroy_t               *mpo_ifnet_label_destroy;
-       mpo_ifnet_label_externalize_t           *mpo_ifnet_label_externalize;
-       mpo_ifnet_label_init_t                  *mpo_ifnet_label_init;
-       mpo_ifnet_label_internalize_t           *mpo_ifnet_label_internalize;
-       mpo_ifnet_label_update_t                *mpo_ifnet_label_update;
-       mpo_ifnet_label_recycle_t               *mpo_ifnet_label_recycle;
-
-       mpo_inpcb_check_deliver_t               *mpo_inpcb_check_deliver;
-       mpo_inpcb_label_associate_t             *mpo_inpcb_label_associate;
-       mpo_inpcb_label_destroy_t               *mpo_inpcb_label_destroy;
-       mpo_inpcb_label_init_t                  *mpo_inpcb_label_init;
-       mpo_inpcb_label_recycle_t               *mpo_inpcb_label_recycle;
-       mpo_inpcb_label_update_t                *mpo_inpcb_label_update;
-
-       mpo_iokit_check_device_t                *mpo_iokit_check_device;
-
-       mpo_ipq_label_associate_t               *mpo_ipq_label_associate;
-       mpo_ipq_label_compare_t                 *mpo_ipq_label_compare;
-       mpo_ipq_label_destroy_t                 *mpo_ipq_label_destroy;
-       mpo_ipq_label_init_t                    *mpo_ipq_label_init;
-       mpo_ipq_label_update_t                  *mpo_ipq_label_update;
-
-       mpo_lctx_check_label_update_t           *mpo_lctx_check_label_update;
-       mpo_lctx_label_destroy_t                *mpo_lctx_label_destroy;
-       mpo_lctx_label_externalize_t            *mpo_lctx_label_externalize;
-       mpo_lctx_label_init_t                   *mpo_lctx_label_init;
-       mpo_lctx_label_internalize_t            *mpo_lctx_label_internalize;
-       mpo_lctx_label_update_t                 *mpo_lctx_label_update;
-       mpo_lctx_notify_create_t                *mpo_lctx_notify_create;
-       mpo_lctx_notify_join_t                  *mpo_lctx_notify_join;
-       mpo_lctx_notify_leave_t                 *mpo_lctx_notify_leave;
-
-       mpo_mbuf_label_associate_bpfdesc_t      *mpo_mbuf_label_associate_bpfdesc;
-       mpo_mbuf_label_associate_ifnet_t        *mpo_mbuf_label_associate_ifnet;
-       mpo_mbuf_label_associate_inpcb_t        *mpo_mbuf_label_associate_inpcb;
-       mpo_mbuf_label_associate_ipq_t          *mpo_mbuf_label_associate_ipq;
-       mpo_mbuf_label_associate_linklayer_t    *mpo_mbuf_label_associate_linklayer;
+       mpo_audit_check_postselect_t            *mpo_audit_check_postselect;
+       mpo_audit_check_preselect_t             *mpo_audit_check_preselect;
+
+       mpo_bpfdesc_label_associate_t           *mpo_bpfdesc_label_associate;
+       mpo_bpfdesc_label_destroy_t             *mpo_bpfdesc_label_destroy;
+       mpo_bpfdesc_label_init_t                *mpo_bpfdesc_label_init;
+       mpo_bpfdesc_check_receive_t             *mpo_bpfdesc_check_receive;
+
+       mpo_cred_check_label_update_execve_t    *mpo_cred_check_label_update_execve;
+       mpo_cred_check_label_update_t           *mpo_cred_check_label_update;
+       mpo_cred_check_visible_t                *mpo_cred_check_visible;
+       mpo_cred_label_associate_fork_t         *mpo_cred_label_associate_fork;
+       mpo_cred_label_associate_kernel_t       *mpo_cred_label_associate_kernel;
+       mpo_cred_label_associate_t              *mpo_cred_label_associate;
+       mpo_cred_label_associate_user_t         *mpo_cred_label_associate_user;
+       mpo_cred_label_destroy_t                *mpo_cred_label_destroy;
+       mpo_cred_label_externalize_audit_t      *mpo_cred_label_externalize_audit;
+       mpo_cred_label_externalize_t            *mpo_cred_label_externalize;
+       mpo_cred_label_init_t                   *mpo_cred_label_init;
+       mpo_cred_label_internalize_t            *mpo_cred_label_internalize;
+       mpo_cred_label_update_execve_t          *mpo_cred_label_update_execve;
+       mpo_cred_label_update_t                 *mpo_cred_label_update;
+
+       mpo_devfs_label_associate_device_t      *mpo_devfs_label_associate_device;
+       mpo_devfs_label_associate_directory_t   *mpo_devfs_label_associate_directory;
+       mpo_devfs_label_copy_t                  *mpo_devfs_label_copy;
+       mpo_devfs_label_destroy_t               *mpo_devfs_label_destroy;
+       mpo_devfs_label_init_t                  *mpo_devfs_label_init;
+       mpo_devfs_label_update_t                *mpo_devfs_label_update;
+
+       mpo_file_check_change_offset_t          *mpo_file_check_change_offset;
+       mpo_file_check_create_t                 *mpo_file_check_create;
+       mpo_file_check_dup_t                    *mpo_file_check_dup;
+       mpo_file_check_fcntl_t                  *mpo_file_check_fcntl;
+       mpo_file_check_get_offset_t             *mpo_file_check_get_offset;
+       mpo_file_check_get_t                    *mpo_file_check_get;
+       mpo_file_check_inherit_t                *mpo_file_check_inherit;
+       mpo_file_check_ioctl_t                  *mpo_file_check_ioctl;
+       mpo_file_check_lock_t                   *mpo_file_check_lock;
+       mpo_file_check_mmap_downgrade_t         *mpo_file_check_mmap_downgrade;
+       mpo_file_check_mmap_t                   *mpo_file_check_mmap;
+       mpo_file_check_receive_t                *mpo_file_check_receive;
+       mpo_file_check_set_t                    *mpo_file_check_set;
+       mpo_file_label_init_t                   *mpo_file_label_init;
+       mpo_file_label_destroy_t                *mpo_file_label_destroy;
+       mpo_file_label_associate_t              *mpo_file_label_associate;
+
+       mpo_ifnet_check_label_update_t          *mpo_ifnet_check_label_update;
+       mpo_ifnet_check_transmit_t              *mpo_ifnet_check_transmit;
+       mpo_ifnet_label_associate_t             *mpo_ifnet_label_associate;
+       mpo_ifnet_label_copy_t                  *mpo_ifnet_label_copy;
+       mpo_ifnet_label_destroy_t               *mpo_ifnet_label_destroy;
+       mpo_ifnet_label_externalize_t           *mpo_ifnet_label_externalize;
+       mpo_ifnet_label_init_t                  *mpo_ifnet_label_init;
+       mpo_ifnet_label_internalize_t           *mpo_ifnet_label_internalize;
+       mpo_ifnet_label_update_t                *mpo_ifnet_label_update;
+       mpo_ifnet_label_recycle_t               *mpo_ifnet_label_recycle;
+
+       mpo_inpcb_check_deliver_t               *mpo_inpcb_check_deliver;
+       mpo_inpcb_label_associate_t             *mpo_inpcb_label_associate;
+       mpo_inpcb_label_destroy_t               *mpo_inpcb_label_destroy;
+       mpo_inpcb_label_init_t                  *mpo_inpcb_label_init;
+       mpo_inpcb_label_recycle_t               *mpo_inpcb_label_recycle;
+       mpo_inpcb_label_update_t                *mpo_inpcb_label_update;
+
+       mpo_iokit_check_device_t                *mpo_iokit_check_device;
+
+       mpo_ipq_label_associate_t               *mpo_ipq_label_associate;
+       mpo_ipq_label_compare_t                 *mpo_ipq_label_compare;
+       mpo_ipq_label_destroy_t                 *mpo_ipq_label_destroy;
+       mpo_ipq_label_init_t                    *mpo_ipq_label_init;
+       mpo_ipq_label_update_t                  *mpo_ipq_label_update;
+
+       mpo_file_check_library_validation_t     *mpo_file_check_library_validation;
+       mpo_vnode_notify_setacl_t               *mpo_vnode_notify_setacl;
+       mpo_vnode_notify_setattrlist_t          *mpo_vnode_notify_setattrlist;
+       mpo_vnode_notify_setextattr_t           *mpo_vnode_notify_setextattr;
+       mpo_vnode_notify_setflags_t             *mpo_vnode_notify_setflags;
+       mpo_vnode_notify_setmode_t              *mpo_vnode_notify_setmode;
+       mpo_vnode_notify_setowner_t             *mpo_vnode_notify_setowner;
+       mpo_vnode_notify_setutimes_t            *mpo_vnode_notify_setutimes;
+       mpo_vnode_notify_truncate_t             *mpo_vnode_notify_truncate;
+
+       mpo_mbuf_label_associate_bpfdesc_t      *mpo_mbuf_label_associate_bpfdesc;
+       mpo_mbuf_label_associate_ifnet_t        *mpo_mbuf_label_associate_ifnet;
+       mpo_mbuf_label_associate_inpcb_t        *mpo_mbuf_label_associate_inpcb;
+       mpo_mbuf_label_associate_ipq_t          *mpo_mbuf_label_associate_ipq;
+       mpo_mbuf_label_associate_linklayer_t    *mpo_mbuf_label_associate_linklayer;

        mpo_mbuf_label_associate_multicast_encap_t *mpo_mbuf_label_associate_multicast_encap;
        mpo_mbuf_label_associate_multicast_encap_t *mpo_mbuf_label_associate_multicast_encap;

-       mpo_mbuf_label_associate_netlayer_t     *mpo_mbuf_label_associate_netlayer;
-       mpo_mbuf_label_associate_socket_t       *mpo_mbuf_label_associate_socket;
-       mpo_mbuf_label_copy_t                   *mpo_mbuf_label_copy;
-       mpo_mbuf_label_destroy_t                *mpo_mbuf_label_destroy;
-       mpo_mbuf_label_init_t                   *mpo_mbuf_label_init;
-
-       mpo_mount_check_fsctl_t                 *mpo_mount_check_fsctl;
-       mpo_mount_check_getattr_t               *mpo_mount_check_getattr;
-       mpo_mount_check_label_update_t          *mpo_mount_check_label_update;
-       mpo_mount_check_mount_t                 *mpo_mount_check_mount;
-       mpo_mount_check_remount_t               *mpo_mount_check_remount;
-       mpo_mount_check_setattr_t               *mpo_mount_check_setattr;
-       mpo_mount_check_stat_t                  *mpo_mount_check_stat;
-       mpo_mount_check_umount_t                *mpo_mount_check_umount;
-       mpo_mount_label_associate_t             *mpo_mount_label_associate;
-       mpo_mount_label_destroy_t               *mpo_mount_label_destroy;
-       mpo_mount_label_externalize_t           *mpo_mount_label_externalize;
-       mpo_mount_label_init_t                  *mpo_mount_label_init;
-       mpo_mount_label_internalize_t           *mpo_mount_label_internalize;
-
-       mpo_netinet_fragment_t                  *mpo_netinet_fragment;
-       mpo_netinet_icmp_reply_t                *mpo_netinet_icmp_reply;
-       mpo_netinet_tcp_reply_t                 *mpo_netinet_tcp_reply;
-
-       mpo_pipe_check_ioctl_t                  *mpo_pipe_check_ioctl;
-       mpo_pipe_check_kqfilter_t               *mpo_pipe_check_kqfilter;
-       mpo_pipe_check_label_update_t           *mpo_pipe_check_label_update;
-       mpo_pipe_check_read_t                   *mpo_pipe_check_read;
-       mpo_pipe_check_select_t                 *mpo_pipe_check_select;
-       mpo_pipe_check_stat_t                   *mpo_pipe_check_stat;
-       mpo_pipe_check_write_t                  *mpo_pipe_check_write;
-       mpo_pipe_label_associate_t              *mpo_pipe_label_associate;
-       mpo_pipe_label_copy_t                   *mpo_pipe_label_copy;
-       mpo_pipe_label_destroy_t                *mpo_pipe_label_destroy;
-       mpo_pipe_label_externalize_t            *mpo_pipe_label_externalize;
-       mpo_pipe_label_init_t                   *mpo_pipe_label_init;
-       mpo_pipe_label_internalize_t            *mpo_pipe_label_internalize;
-       mpo_pipe_label_update_t                 *mpo_pipe_label_update;
-
-       mpo_policy_destroy_t                    *mpo_policy_destroy;
-       mpo_policy_init_t                       *mpo_policy_init;
-       mpo_policy_initbsd_t                    *mpo_policy_initbsd;
-       mpo_policy_syscall_t                    *mpo_policy_syscall;
-
-       mpo_system_check_sysctlbyname_t         *mpo_system_check_sysctlbyname;
-       mpo_proc_check_inherit_ipc_ports_t      *mpo_proc_check_inherit_ipc_ports;
-       mpo_vnode_check_rename_t                *mpo_vnode_check_rename;
-       mpo_reserved_hook_t                     *mpo_reserved4;
-       mpo_reserved_hook_t                     *mpo_reserved5;
-       mpo_reserved_hook_t                     *mpo_reserved6;
-       mpo_reserved_hook_t                     *mpo_reserved7;
-       mpo_reserved_hook_t                     *mpo_reserved8;
-       mpo_reserved_hook_t                     *mpo_reserved9;
-       mpo_reserved_hook_t                     *mpo_reserved10;
-       mpo_reserved_hook_t                     *mpo_reserved11;
-       mpo_reserved_hook_t                     *mpo_reserved12;
-       mpo_reserved_hook_t                     *mpo_reserved13;
-       mpo_reserved_hook_t                     *mpo_reserved14;
-       mpo_reserved_hook_t                     *mpo_reserved15;
-       mpo_reserved_hook_t                     *mpo_reserved16;
-       mpo_reserved_hook_t                     *mpo_reserved17;
-       mpo_reserved_hook_t                     *mpo_reserved18;
-       mpo_reserved_hook_t                     *mpo_reserved19;
-       mpo_reserved_hook_t                     *mpo_reserved20;
-       mpo_reserved_hook_t                     *mpo_reserved21;
-       mpo_reserved_hook_t                     *mpo_reserved22;
-
-       mpo_posixsem_check_create_t             *mpo_posixsem_check_create;
-       mpo_posixsem_check_open_t               *mpo_posixsem_check_open;
-       mpo_posixsem_check_post_t               *mpo_posixsem_check_post;
-       mpo_posixsem_check_unlink_t             *mpo_posixsem_check_unlink;
-       mpo_posixsem_check_wait_t               *mpo_posixsem_check_wait;
-       mpo_posixsem_label_associate_t          *mpo_posixsem_label_associate;
-       mpo_posixsem_label_destroy_t            *mpo_posixsem_label_destroy;
-       mpo_posixsem_label_init_t               *mpo_posixsem_label_init;
-       mpo_posixshm_check_create_t             *mpo_posixshm_check_create;
-       mpo_posixshm_check_mmap_t               *mpo_posixshm_check_mmap;
-       mpo_posixshm_check_open_t               *mpo_posixshm_check_open;
-       mpo_posixshm_check_stat_t               *mpo_posixshm_check_stat;
-       mpo_posixshm_check_truncate_t           *mpo_posixshm_check_truncate;
-       mpo_posixshm_check_unlink_t             *mpo_posixshm_check_unlink;
-       mpo_posixshm_label_associate_t          *mpo_posixshm_label_associate;
-       mpo_posixshm_label_destroy_t            *mpo_posixshm_label_destroy;
-       mpo_posixshm_label_init_t               *mpo_posixshm_label_init;
-
-       mpo_proc_check_debug_t                  *mpo_proc_check_debug;
-       mpo_proc_check_fork_t                   *mpo_proc_check_fork;
-       mpo_proc_check_get_task_name_t          *mpo_proc_check_get_task_name;
-       mpo_proc_check_get_task_t               *mpo_proc_check_get_task;
-       mpo_proc_check_getaudit_t               *mpo_proc_check_getaudit;
-       mpo_proc_check_getauid_t                *mpo_proc_check_getauid;
-       mpo_proc_check_getlcid_t                *mpo_proc_check_getlcid;
-       mpo_proc_check_mprotect_t               *mpo_proc_check_mprotect;
-       mpo_proc_check_sched_t                  *mpo_proc_check_sched;
-       mpo_proc_check_setaudit_t               *mpo_proc_check_setaudit;
-       mpo_proc_check_setauid_t                *mpo_proc_check_setauid;
-       mpo_proc_check_setlcid_t                *mpo_proc_check_setlcid;
-       mpo_proc_check_signal_t                 *mpo_proc_check_signal;
-       mpo_proc_check_wait_t                   *mpo_proc_check_wait;
-       mpo_proc_label_destroy_t                *mpo_proc_label_destroy;
-       mpo_proc_label_init_t                   *mpo_proc_label_init;
-
-       mpo_socket_check_accept_t               *mpo_socket_check_accept;
-       mpo_socket_check_accepted_t             *mpo_socket_check_accepted;
-       mpo_socket_check_bind_t                 *mpo_socket_check_bind;
-       mpo_socket_check_connect_t              *mpo_socket_check_connect;
-       mpo_socket_check_create_t               *mpo_socket_check_create;
-       mpo_socket_check_deliver_t              *mpo_socket_check_deliver;
-       mpo_socket_check_kqfilter_t             *mpo_socket_check_kqfilter;
-       mpo_socket_check_label_update_t         *mpo_socket_check_label_update;
-       mpo_socket_check_listen_t               *mpo_socket_check_listen;
-       mpo_socket_check_receive_t              *mpo_socket_check_receive;
-       mpo_socket_check_received_t             *mpo_socket_check_received;
-       mpo_socket_check_select_t               *mpo_socket_check_select;
-       mpo_socket_check_send_t                 *mpo_socket_check_send;
-       mpo_socket_check_stat_t                 *mpo_socket_check_stat;
-       mpo_socket_check_setsockopt_t           *mpo_socket_check_setsockopt;
-       mpo_socket_check_getsockopt_t           *mpo_socket_check_getsockopt;
-       mpo_socket_label_associate_accept_t     *mpo_socket_label_associate_accept;
-       mpo_socket_label_associate_t            *mpo_socket_label_associate;
-       mpo_socket_label_copy_t                 *mpo_socket_label_copy;
-       mpo_socket_label_destroy_t              *mpo_socket_label_destroy;
-       mpo_socket_label_externalize_t          *mpo_socket_label_externalize;
-       mpo_socket_label_init_t                 *mpo_socket_label_init;
-       mpo_socket_label_internalize_t          *mpo_socket_label_internalize;
-       mpo_socket_label_update_t               *mpo_socket_label_update;
-
-       mpo_socketpeer_label_associate_mbuf_t   *mpo_socketpeer_label_associate_mbuf;
-       mpo_socketpeer_label_associate_socket_t *mpo_socketpeer_label_associate_socket;
-       mpo_socketpeer_label_destroy_t          *mpo_socketpeer_label_destroy;
-       mpo_socketpeer_label_externalize_t      *mpo_socketpeer_label_externalize;
-       mpo_socketpeer_label_init_t             *mpo_socketpeer_label_init;
-
-       mpo_system_check_acct_t                 *mpo_system_check_acct;
-       mpo_system_check_audit_t                *mpo_system_check_audit;
-       mpo_system_check_auditctl_t             *mpo_system_check_auditctl;
-       mpo_system_check_auditon_t              *mpo_system_check_auditon;
-       mpo_system_check_host_priv_t            *mpo_system_check_host_priv;
-       mpo_system_check_nfsd_t                 *mpo_system_check_nfsd;
-       mpo_system_check_reboot_t               *mpo_system_check_reboot;
-       mpo_system_check_settime_t              *mpo_system_check_settime;
-       mpo_system_check_swapoff_t              *mpo_system_check_swapoff;
-       mpo_system_check_swapon_t               *mpo_system_check_swapon;
-       mpo_reserved_hook_t                     *mpo_reserved31;
-
-       mpo_sysvmsg_label_associate_t           *mpo_sysvmsg_label_associate;
-       mpo_sysvmsg_label_destroy_t             *mpo_sysvmsg_label_destroy;
-       mpo_sysvmsg_label_init_t                *mpo_sysvmsg_label_init;
-       mpo_sysvmsg_label_recycle_t             *mpo_sysvmsg_label_recycle;
-       mpo_sysvmsq_check_enqueue_t             *mpo_sysvmsq_check_enqueue;
-       mpo_sysvmsq_check_msgrcv_t              *mpo_sysvmsq_check_msgrcv;
-       mpo_sysvmsq_check_msgrmid_t             *mpo_sysvmsq_check_msgrmid;
-       mpo_sysvmsq_check_msqctl_t              *mpo_sysvmsq_check_msqctl;
-       mpo_sysvmsq_check_msqget_t              *mpo_sysvmsq_check_msqget;
-       mpo_sysvmsq_check_msqrcv_t              *mpo_sysvmsq_check_msqrcv;
-       mpo_sysvmsq_check_msqsnd_t              *mpo_sysvmsq_check_msqsnd;
-       mpo_sysvmsq_label_associate_t           *mpo_sysvmsq_label_associate;
-       mpo_sysvmsq_label_destroy_t             *mpo_sysvmsq_label_destroy;
-       mpo_sysvmsq_label_init_t                *mpo_sysvmsq_label_init;
-       mpo_sysvmsq_label_recycle_t             *mpo_sysvmsq_label_recycle;
-       mpo_sysvsem_check_semctl_t              *mpo_sysvsem_check_semctl;
-       mpo_sysvsem_check_semget_t              *mpo_sysvsem_check_semget;
-       mpo_sysvsem_check_semop_t               *mpo_sysvsem_check_semop;
-       mpo_sysvsem_label_associate_t           *mpo_sysvsem_label_associate;
-       mpo_sysvsem_label_destroy_t             *mpo_sysvsem_label_destroy;
-       mpo_sysvsem_label_init_t                *mpo_sysvsem_label_init;
-       mpo_sysvsem_label_recycle_t             *mpo_sysvsem_label_recycle;
-       mpo_sysvshm_check_shmat_t               *mpo_sysvshm_check_shmat;
-       mpo_sysvshm_check_shmctl_t              *mpo_sysvshm_check_shmctl;
-       mpo_sysvshm_check_shmdt_t               *mpo_sysvshm_check_shmdt;
-       mpo_sysvshm_check_shmget_t              *mpo_sysvshm_check_shmget;
-       mpo_sysvshm_label_associate_t           *mpo_sysvshm_label_associate;
-       mpo_sysvshm_label_destroy_t             *mpo_sysvshm_label_destroy;
-       mpo_sysvshm_label_init_t                *mpo_sysvshm_label_init;
-       mpo_sysvshm_label_recycle_t             *mpo_sysvshm_label_recycle;
-
-       mpo_reserved_hook_t                     *mpo_reserved23;
-       mpo_reserved_hook_t                     *mpo_reserved24;
-       mpo_reserved_hook_t                     *mpo_reserved25;
-       mpo_reserved_hook_t                     *mpo_reserved26;
-       mpo_reserved_hook_t                     *mpo_reserved27;
-       mpo_reserved_hook_t                     *mpo_reserved28;
-       mpo_reserved_hook_t                     *mpo_reserved29;
-       mpo_reserved_hook_t                     *mpo_reserved30;
-
-       mpo_iokit_check_hid_control_t           *mpo_iokit_check_hid_control;
-
-       mpo_vnode_check_access_t                *mpo_vnode_check_access;
-       mpo_vnode_check_chdir_t                 *mpo_vnode_check_chdir;
-       mpo_vnode_check_chroot_t                *mpo_vnode_check_chroot;
-       mpo_vnode_check_create_t                *mpo_vnode_check_create;
-       mpo_vnode_check_deleteextattr_t         *mpo_vnode_check_deleteextattr;
-       mpo_vnode_check_exchangedata_t          *mpo_vnode_check_exchangedata;
-       mpo_vnode_check_exec_t                  *mpo_vnode_check_exec;
-       mpo_vnode_check_getattrlist_t           *mpo_vnode_check_getattrlist;
-       mpo_vnode_check_getextattr_t            *mpo_vnode_check_getextattr;
-       mpo_vnode_check_ioctl_t                 *mpo_vnode_check_ioctl;
-       mpo_vnode_check_kqfilter_t              *mpo_vnode_check_kqfilter;
-       mpo_vnode_check_label_update_t          *mpo_vnode_check_label_update;
-       mpo_vnode_check_link_t                  *mpo_vnode_check_link;
-       mpo_vnode_check_listextattr_t           *mpo_vnode_check_listextattr;
-       mpo_vnode_check_lookup_t                *mpo_vnode_check_lookup;
-       mpo_vnode_check_open_t                  *mpo_vnode_check_open;
-       mpo_vnode_check_read_t                  *mpo_vnode_check_read;
-       mpo_vnode_check_readdir_t               *mpo_vnode_check_readdir;
-       mpo_vnode_check_readlink_t              *mpo_vnode_check_readlink;
-       mpo_vnode_check_rename_from_t           *mpo_vnode_check_rename_from;
-       mpo_vnode_check_rename_to_t             *mpo_vnode_check_rename_to;
-       mpo_vnode_check_revoke_t                *mpo_vnode_check_revoke;
-       mpo_vnode_check_select_t                *mpo_vnode_check_select;
-       mpo_vnode_check_setattrlist_t           *mpo_vnode_check_setattrlist;
-       mpo_vnode_check_setextattr_t            *mpo_vnode_check_setextattr;
-       mpo_vnode_check_setflags_t              *mpo_vnode_check_setflags;
-       mpo_vnode_check_setmode_t               *mpo_vnode_check_setmode;
-       mpo_vnode_check_setowner_t              *mpo_vnode_check_setowner;
-       mpo_vnode_check_setutimes_t             *mpo_vnode_check_setutimes;
-       mpo_vnode_check_stat_t                  *mpo_vnode_check_stat;
-       mpo_vnode_check_truncate_t              *mpo_vnode_check_truncate;
-       mpo_vnode_check_unlink_t                *mpo_vnode_check_unlink;
-       mpo_vnode_check_write_t                 *mpo_vnode_check_write;
-       mpo_vnode_label_associate_devfs_t       *mpo_vnode_label_associate_devfs;
-       mpo_vnode_label_associate_extattr_t     *mpo_vnode_label_associate_extattr;
-       mpo_vnode_label_associate_file_t        *mpo_vnode_label_associate_file;
-       mpo_vnode_label_associate_pipe_t        *mpo_vnode_label_associate_pipe;
-       mpo_vnode_label_associate_posixsem_t    *mpo_vnode_label_associate_posixsem;
-       mpo_vnode_label_associate_posixshm_t    *mpo_vnode_label_associate_posixshm;
-       mpo_vnode_label_associate_singlelabel_t *mpo_vnode_label_associate_singlelabel;
-       mpo_vnode_label_associate_socket_t      *mpo_vnode_label_associate_socket;
-       mpo_vnode_label_copy_t                  *mpo_vnode_label_copy;
-       mpo_vnode_label_destroy_t               *mpo_vnode_label_destroy;
-       mpo_vnode_label_externalize_audit_t     *mpo_vnode_label_externalize_audit;
-       mpo_vnode_label_externalize_t           *mpo_vnode_label_externalize;
-       mpo_vnode_label_init_t                  *mpo_vnode_label_init;
-       mpo_vnode_label_internalize_t           *mpo_vnode_label_internalize;
-       mpo_vnode_label_recycle_t               *mpo_vnode_label_recycle;
-       mpo_vnode_label_store_t                 *mpo_vnode_label_store;
-       mpo_vnode_label_update_extattr_t        *mpo_vnode_label_update_extattr;
-       mpo_vnode_label_update_t                *mpo_vnode_label_update;
-       mpo_vnode_notify_create_t               *mpo_vnode_notify_create;
-       mpo_vnode_check_signature_t             *mpo_vnode_check_signature;
-       mpo_vnode_check_uipc_bind_t             *mpo_vnode_check_uipc_bind;
-       mpo_vnode_check_uipc_connect_t          *mpo_vnode_check_uipc_connect;
-
-       mac_proc_check_run_cs_invalid_t         *mpo_proc_check_run_cs_invalid;
-       mpo_proc_check_suspend_resume_t         *mpo_proc_check_suspend_resume;
-
-       mpo_thread_userret_t                    *mpo_thread_userret;
-
-       mpo_iokit_check_set_properties_t        *mpo_iokit_check_set_properties;
-
-       mpo_system_check_chud_t                 *mpo_system_check_chud;
-
-       mpo_vnode_check_searchfs_t              *mpo_vnode_check_searchfs;
-
-       mpo_priv_check_t                        *mpo_priv_check;
-       mpo_priv_grant_t                        *mpo_priv_grant;
-
-       mpo_proc_check_map_anon_t               *mpo_proc_check_map_anon;
-
-       mpo_vnode_check_fsgetpath_t             *mpo_vnode_check_fsgetpath;
-
-       mpo_iokit_check_open_t                  *mpo_iokit_check_open;
-
-       mpo_proc_check_ledger_t                 *mpo_proc_check_ledger;
-
-       mpo_vnode_notify_rename_t               *mpo_vnode_notify_rename;
-
-       mpo_thread_label_init_t                 *mpo_thread_label_init;
-       mpo_thread_label_destroy_t              *mpo_thread_label_destroy;
-
-       mpo_system_check_kas_info_t             *mpo_system_check_kas_info;
-
-       mpo_proc_check_cpumon_t                 *mpo_proc_check_cpumon;
-
-       mpo_vnode_notify_open_t                 *mpo_vnode_notify_open;
-
-       mpo_system_check_info_t                 *mpo_system_check_info;
-
-       mpo_pty_notify_grant_t                  *mpo_pty_notify_grant;
-       mpo_pty_notify_close_t                  *mpo_pty_notify_close;
-
-       mpo_vnode_find_sigs_t                   *mpo_vnode_find_sigs;
-
-       mpo_kext_check_load_t                   *mpo_kext_check_load;
-       mpo_kext_check_unload_t                 *mpo_kext_check_unload;
-
-       mpo_proc_check_proc_info_t              *mpo_proc_check_proc_info;
-       mpo_vnode_notify_link_t                 *mpo_vnode_notify_link;
-       mpo_iokit_check_filter_properties_t     *mpo_iokit_check_filter_properties;
-       mpo_iokit_check_get_property_t          *mpo_iokit_check_get_property;
+       mpo_mbuf_label_associate_netlayer_t     *mpo_mbuf_label_associate_netlayer;
+       mpo_mbuf_label_associate_socket_t       *mpo_mbuf_label_associate_socket;
+       mpo_mbuf_label_copy_t                   *mpo_mbuf_label_copy;
+       mpo_mbuf_label_destroy_t                *mpo_mbuf_label_destroy;
+       mpo_mbuf_label_init_t                   *mpo_mbuf_label_init;
+
+       mpo_mount_check_fsctl_t                 *mpo_mount_check_fsctl;
+       mpo_mount_check_getattr_t               *mpo_mount_check_getattr;
+       mpo_mount_check_label_update_t          *mpo_mount_check_label_update;
+       mpo_mount_check_mount_t                 *mpo_mount_check_mount;
+       mpo_mount_check_remount_t               *mpo_mount_check_remount;
+       mpo_mount_check_setattr_t               *mpo_mount_check_setattr;
+       mpo_mount_check_stat_t                  *mpo_mount_check_stat;
+       mpo_mount_check_umount_t                *mpo_mount_check_umount;
+       mpo_mount_label_associate_t             *mpo_mount_label_associate;
+       mpo_mount_label_destroy_t               *mpo_mount_label_destroy;
+       mpo_mount_label_externalize_t           *mpo_mount_label_externalize;
+       mpo_mount_label_init_t                  *mpo_mount_label_init;
+       mpo_mount_label_internalize_t           *mpo_mount_label_internalize;
+
+       mpo_netinet_fragment_t                  *mpo_netinet_fragment;
+       mpo_netinet_icmp_reply_t                *mpo_netinet_icmp_reply;
+       mpo_netinet_tcp_reply_t                 *mpo_netinet_tcp_reply;
+
+       mpo_pipe_check_ioctl_t                  *mpo_pipe_check_ioctl;
+       mpo_pipe_check_kqfilter_t               *mpo_pipe_check_kqfilter;
+       mpo_pipe_check_label_update_t           *mpo_pipe_check_label_update;
+       mpo_pipe_check_read_t                   *mpo_pipe_check_read;
+       mpo_pipe_check_select_t                 *mpo_pipe_check_select;
+       mpo_pipe_check_stat_t                   *mpo_pipe_check_stat;
+       mpo_pipe_check_write_t                  *mpo_pipe_check_write;
+       mpo_pipe_label_associate_t              *mpo_pipe_label_associate;
+       mpo_pipe_label_copy_t                   *mpo_pipe_label_copy;
+       mpo_pipe_label_destroy_t                *mpo_pipe_label_destroy;
+       mpo_pipe_label_externalize_t            *mpo_pipe_label_externalize;
+       mpo_pipe_label_init_t                   *mpo_pipe_label_init;
+       mpo_pipe_label_internalize_t            *mpo_pipe_label_internalize;
+       mpo_pipe_label_update_t                 *mpo_pipe_label_update;
+
+       mpo_policy_destroy_t                    *mpo_policy_destroy;
+       mpo_policy_init_t                       *mpo_policy_init;
+       mpo_policy_initbsd_t                    *mpo_policy_initbsd;
+       mpo_policy_syscall_t                    *mpo_policy_syscall;
+
+       mpo_system_check_sysctlbyname_t         *mpo_system_check_sysctlbyname;
+       mpo_proc_check_inherit_ipc_ports_t      *mpo_proc_check_inherit_ipc_ports;
+       mpo_vnode_check_rename_t                *mpo_vnode_check_rename;
+       mpo_kext_check_query_t                  *mpo_kext_check_query;
+       mpo_proc_notify_exec_complete_t         *mpo_proc_notify_exec_complete;
+       mpo_reserved_hook_t                     *mpo_reserved4;
+       mpo_proc_check_syscall_unix_t           *mpo_proc_check_syscall_unix;
+       mpo_proc_check_expose_task_t            *mpo_proc_check_expose_task;
+       mpo_proc_check_set_host_special_port_t  *mpo_proc_check_set_host_special_port;
+       mpo_proc_check_set_host_exception_port_t *mpo_proc_check_set_host_exception_port;
+       mpo_exc_action_check_exception_send_t   *mpo_exc_action_check_exception_send;
+       mpo_exc_action_label_associate_t        *mpo_exc_action_label_associate;
+       mpo_exc_action_label_populate_t         *mpo_exc_action_label_populate;
+       mpo_exc_action_label_destroy_t          *mpo_exc_action_label_destroy;
+       mpo_exc_action_label_init_t             *mpo_exc_action_label_init;
+       mpo_exc_action_label_update_t           *mpo_exc_action_label_update;
+
+       mpo_vnode_check_trigger_resolve_t       *mpo_vnode_check_trigger_resolve;
+       mpo_mount_check_mount_late_t            *mpo_mount_check_mount_late;
+       mpo_reserved_hook_t                     *mpo_reserved1;
+       mpo_reserved_hook_t                     *mpo_reserved2;
+       mpo_skywalk_flow_check_connect_t        *mpo_skywalk_flow_check_connect;
+       mpo_skywalk_flow_check_listen_t         *mpo_skywalk_flow_check_listen;
+
+       mpo_posixsem_check_create_t             *mpo_posixsem_check_create;
+       mpo_posixsem_check_open_t               *mpo_posixsem_check_open;
+       mpo_posixsem_check_post_t               *mpo_posixsem_check_post;
+       mpo_posixsem_check_unlink_t             *mpo_posixsem_check_unlink;
+       mpo_posixsem_check_wait_t               *mpo_posixsem_check_wait;
+       mpo_posixsem_label_associate_t          *mpo_posixsem_label_associate;
+       mpo_posixsem_label_destroy_t            *mpo_posixsem_label_destroy;
+       mpo_posixsem_label_init_t               *mpo_posixsem_label_init;
+       mpo_posixshm_check_create_t             *mpo_posixshm_check_create;
+       mpo_posixshm_check_mmap_t               *mpo_posixshm_check_mmap;
+       mpo_posixshm_check_open_t               *mpo_posixshm_check_open;
+       mpo_posixshm_check_stat_t               *mpo_posixshm_check_stat;
+       mpo_posixshm_check_truncate_t           *mpo_posixshm_check_truncate;
+       mpo_posixshm_check_unlink_t             *mpo_posixshm_check_unlink;
+       mpo_posixshm_label_associate_t          *mpo_posixshm_label_associate;
+       mpo_posixshm_label_destroy_t            *mpo_posixshm_label_destroy;
+       mpo_posixshm_label_init_t               *mpo_posixshm_label_init;
+
+       mpo_proc_check_debug_t                  *mpo_proc_check_debug;
+       mpo_proc_check_fork_t                   *mpo_proc_check_fork;
+       mpo_proc_check_get_task_name_t          *mpo_proc_check_get_task_name;
+       mpo_proc_check_get_task_t               *mpo_proc_check_get_task;
+       mpo_proc_check_getaudit_t               *mpo_proc_check_getaudit;
+       mpo_proc_check_getauid_t                *mpo_proc_check_getauid;
+       mpo_proc_check_getlcid_t                *mpo_proc_check_getlcid;
+       mpo_proc_check_mprotect_t               *mpo_proc_check_mprotect;
+       mpo_proc_check_sched_t                  *mpo_proc_check_sched;
+       mpo_proc_check_setaudit_t               *mpo_proc_check_setaudit;
+       mpo_proc_check_setauid_t                *mpo_proc_check_setauid;
+       mpo_proc_check_setlcid_t                *mpo_proc_check_setlcid;
+       mpo_proc_check_signal_t                 *mpo_proc_check_signal;
+       mpo_proc_check_wait_t                   *mpo_proc_check_wait;
+       mpo_proc_check_dump_core_t              *mpo_proc_check_dump_core;
+       mpo_reserved_hook_t                     *mpo_reserved5;
+
+       mpo_socket_check_accept_t               *mpo_socket_check_accept;
+       mpo_socket_check_accepted_t             *mpo_socket_check_accepted;
+       mpo_socket_check_bind_t                 *mpo_socket_check_bind;
+       mpo_socket_check_connect_t              *mpo_socket_check_connect;
+       mpo_socket_check_create_t               *mpo_socket_check_create;
+       mpo_socket_check_deliver_t              *mpo_socket_check_deliver;
+       mpo_socket_check_kqfilter_t             *mpo_socket_check_kqfilter;
+       mpo_socket_check_label_update_t         *mpo_socket_check_label_update;
+       mpo_socket_check_listen_t               *mpo_socket_check_listen;
+       mpo_socket_check_receive_t              *mpo_socket_check_receive;
+       mpo_socket_check_received_t             *mpo_socket_check_received;
+       mpo_socket_check_select_t               *mpo_socket_check_select;
+       mpo_socket_check_send_t                 *mpo_socket_check_send;
+       mpo_socket_check_stat_t                 *mpo_socket_check_stat;
+       mpo_socket_check_setsockopt_t           *mpo_socket_check_setsockopt;
+       mpo_socket_check_getsockopt_t           *mpo_socket_check_getsockopt;
+       mpo_socket_label_associate_accept_t     *mpo_socket_label_associate_accept;
+       mpo_socket_label_associate_t            *mpo_socket_label_associate;
+       mpo_socket_label_copy_t                 *mpo_socket_label_copy;
+       mpo_socket_label_destroy_t              *mpo_socket_label_destroy;
+       mpo_socket_label_externalize_t          *mpo_socket_label_externalize;
+       mpo_socket_label_init_t                 *mpo_socket_label_init;
+       mpo_socket_label_internalize_t          *mpo_socket_label_internalize;
+       mpo_socket_label_update_t               *mpo_socket_label_update;
+
+       mpo_socketpeer_label_associate_mbuf_t   *mpo_socketpeer_label_associate_mbuf;
+       mpo_socketpeer_label_associate_socket_t *mpo_socketpeer_label_associate_socket;
+       mpo_socketpeer_label_destroy_t          *mpo_socketpeer_label_destroy;
+       mpo_socketpeer_label_externalize_t      *mpo_socketpeer_label_externalize;
+       mpo_socketpeer_label_init_t             *mpo_socketpeer_label_init;
+
+       mpo_system_check_acct_t                 *mpo_system_check_acct;
+       mpo_system_check_audit_t                *mpo_system_check_audit;
+       mpo_system_check_auditctl_t             *mpo_system_check_auditctl;
+       mpo_system_check_auditon_t              *mpo_system_check_auditon;
+       mpo_system_check_host_priv_t            *mpo_system_check_host_priv;
+       mpo_system_check_nfsd_t                 *mpo_system_check_nfsd;
+       mpo_system_check_reboot_t               *mpo_system_check_reboot;
+       mpo_system_check_settime_t              *mpo_system_check_settime;
+       mpo_system_check_swapoff_t              *mpo_system_check_swapoff;
+       mpo_system_check_swapon_t               *mpo_system_check_swapon;
+       mpo_socket_check_ioctl_t                *mpo_socket_check_ioctl;
+
+       mpo_sysvmsg_label_associate_t           *mpo_sysvmsg_label_associate;
+       mpo_sysvmsg_label_destroy_t             *mpo_sysvmsg_label_destroy;
+       mpo_sysvmsg_label_init_t                *mpo_sysvmsg_label_init;
+       mpo_sysvmsg_label_recycle_t             *mpo_sysvmsg_label_recycle;
+       mpo_sysvmsq_check_enqueue_t             *mpo_sysvmsq_check_enqueue;
+       mpo_sysvmsq_check_msgrcv_t              *mpo_sysvmsq_check_msgrcv;
+       mpo_sysvmsq_check_msgrmid_t             *mpo_sysvmsq_check_msgrmid;
+       mpo_sysvmsq_check_msqctl_t              *mpo_sysvmsq_check_msqctl;
+       mpo_sysvmsq_check_msqget_t              *mpo_sysvmsq_check_msqget;
+       mpo_sysvmsq_check_msqrcv_t              *mpo_sysvmsq_check_msqrcv;
+       mpo_sysvmsq_check_msqsnd_t              *mpo_sysvmsq_check_msqsnd;
+       mpo_sysvmsq_label_associate_t           *mpo_sysvmsq_label_associate;
+       mpo_sysvmsq_label_destroy_t             *mpo_sysvmsq_label_destroy;
+       mpo_sysvmsq_label_init_t                *mpo_sysvmsq_label_init;
+       mpo_sysvmsq_label_recycle_t             *mpo_sysvmsq_label_recycle;
+       mpo_sysvsem_check_semctl_t              *mpo_sysvsem_check_semctl;
+       mpo_sysvsem_check_semget_t              *mpo_sysvsem_check_semget;
+       mpo_sysvsem_check_semop_t               *mpo_sysvsem_check_semop;
+       mpo_sysvsem_label_associate_t           *mpo_sysvsem_label_associate;
+       mpo_sysvsem_label_destroy_t             *mpo_sysvsem_label_destroy;
+       mpo_sysvsem_label_init_t                *mpo_sysvsem_label_init;
+       mpo_sysvsem_label_recycle_t             *mpo_sysvsem_label_recycle;
+       mpo_sysvshm_check_shmat_t               *mpo_sysvshm_check_shmat;
+       mpo_sysvshm_check_shmctl_t              *mpo_sysvshm_check_shmctl;
+       mpo_sysvshm_check_shmdt_t               *mpo_sysvshm_check_shmdt;
+       mpo_sysvshm_check_shmget_t              *mpo_sysvshm_check_shmget;
+       mpo_sysvshm_label_associate_t           *mpo_sysvshm_label_associate;
+       mpo_sysvshm_label_destroy_t             *mpo_sysvshm_label_destroy;
+       mpo_sysvshm_label_init_t                *mpo_sysvshm_label_init;
+       mpo_sysvshm_label_recycle_t             *mpo_sysvshm_label_recycle;
+
+       mpo_proc_notify_exit_t                  *mpo_proc_notify_exit;
+       mpo_mount_check_snapshot_revert_t       *mpo_mount_check_snapshot_revert;
+       mpo_vnode_check_getattr_t               *mpo_vnode_check_getattr;
+       mpo_mount_check_snapshot_create_t       *mpo_mount_check_snapshot_create;
+       mpo_mount_check_snapshot_delete_t       *mpo_mount_check_snapshot_delete;
+       mpo_vnode_check_clone_t                 *mpo_vnode_check_clone;
+       mpo_proc_check_get_cs_info_t            *mpo_proc_check_get_cs_info;
+       mpo_proc_check_set_cs_info_t            *mpo_proc_check_set_cs_info;
+
+       mpo_iokit_check_hid_control_t           *mpo_iokit_check_hid_control;
+
+       mpo_vnode_check_access_t                *mpo_vnode_check_access;
+       mpo_vnode_check_chdir_t                 *mpo_vnode_check_chdir;
+       mpo_vnode_check_chroot_t                *mpo_vnode_check_chroot;
+       mpo_vnode_check_create_t                *mpo_vnode_check_create;
+       mpo_vnode_check_deleteextattr_t         *mpo_vnode_check_deleteextattr;
+       mpo_vnode_check_exchangedata_t          *mpo_vnode_check_exchangedata;
+       mpo_vnode_check_exec_t                  *mpo_vnode_check_exec;
+       mpo_vnode_check_getattrlist_t           *mpo_vnode_check_getattrlist;
+       mpo_vnode_check_getextattr_t            *mpo_vnode_check_getextattr;
+       mpo_vnode_check_ioctl_t                 *mpo_vnode_check_ioctl;
+       mpo_vnode_check_kqfilter_t              *mpo_vnode_check_kqfilter;
+       mpo_vnode_check_label_update_t          *mpo_vnode_check_label_update;
+       mpo_vnode_check_link_t                  *mpo_vnode_check_link;
+       mpo_vnode_check_listextattr_t           *mpo_vnode_check_listextattr;
+       mpo_vnode_check_lookup_t                *mpo_vnode_check_lookup;
+       mpo_vnode_check_open_t                  *mpo_vnode_check_open;
+       mpo_vnode_check_read_t                  *mpo_vnode_check_read;
+       mpo_vnode_check_readdir_t               *mpo_vnode_check_readdir;
+       mpo_vnode_check_readlink_t              *mpo_vnode_check_readlink;
+       mpo_vnode_check_rename_from_t           *mpo_vnode_check_rename_from;
+       mpo_vnode_check_rename_to_t             *mpo_vnode_check_rename_to;
+       mpo_vnode_check_revoke_t                *mpo_vnode_check_revoke;
+       mpo_vnode_check_select_t                *mpo_vnode_check_select;
+       mpo_vnode_check_setattrlist_t           *mpo_vnode_check_setattrlist;
+       mpo_vnode_check_setextattr_t            *mpo_vnode_check_setextattr;
+       mpo_vnode_check_setflags_t              *mpo_vnode_check_setflags;
+       mpo_vnode_check_setmode_t               *mpo_vnode_check_setmode;
+       mpo_vnode_check_setowner_t              *mpo_vnode_check_setowner;
+       mpo_vnode_check_setutimes_t             *mpo_vnode_check_setutimes;
+       mpo_vnode_check_stat_t                  *mpo_vnode_check_stat;
+       mpo_vnode_check_truncate_t              *mpo_vnode_check_truncate;
+       mpo_vnode_check_unlink_t                *mpo_vnode_check_unlink;
+       mpo_vnode_check_write_t                 *mpo_vnode_check_write;
+       mpo_vnode_label_associate_devfs_t       *mpo_vnode_label_associate_devfs;
+       mpo_vnode_label_associate_extattr_t     *mpo_vnode_label_associate_extattr;
+       mpo_vnode_label_associate_file_t        *mpo_vnode_label_associate_file;
+       mpo_vnode_label_associate_pipe_t        *mpo_vnode_label_associate_pipe;
+       mpo_vnode_label_associate_posixsem_t    *mpo_vnode_label_associate_posixsem;
+       mpo_vnode_label_associate_posixshm_t    *mpo_vnode_label_associate_posixshm;
+       mpo_vnode_label_associate_singlelabel_t *mpo_vnode_label_associate_singlelabel;
+       mpo_vnode_label_associate_socket_t      *mpo_vnode_label_associate_socket;
+       mpo_vnode_label_copy_t                  *mpo_vnode_label_copy;
+       mpo_vnode_label_destroy_t               *mpo_vnode_label_destroy;
+       mpo_vnode_label_externalize_audit_t     *mpo_vnode_label_externalize_audit;
+       mpo_vnode_label_externalize_t           *mpo_vnode_label_externalize;
+       mpo_vnode_label_init_t                  *mpo_vnode_label_init;
+       mpo_vnode_label_internalize_t           *mpo_vnode_label_internalize;
+       mpo_vnode_label_recycle_t               *mpo_vnode_label_recycle;
+       mpo_vnode_label_store_t                 *mpo_vnode_label_store;
+       mpo_vnode_label_update_extattr_t        *mpo_vnode_label_update_extattr;
+       mpo_vnode_label_update_t                *mpo_vnode_label_update;
+       mpo_vnode_notify_create_t               *mpo_vnode_notify_create;
+       mpo_vnode_check_signature_t             *mpo_vnode_check_signature;
+       mpo_vnode_check_uipc_bind_t             *mpo_vnode_check_uipc_bind;
+       mpo_vnode_check_uipc_connect_t          *mpo_vnode_check_uipc_connect;
+
+       mpo_proc_check_run_cs_invalid_t         *mpo_proc_check_run_cs_invalid;
+       mpo_proc_check_suspend_resume_t         *mpo_proc_check_suspend_resume;
+
+       mpo_thread_userret_t                    *mpo_thread_userret;
+
+       mpo_iokit_check_set_properties_t        *mpo_iokit_check_set_properties;
+
+       mpo_reserved_hook_t                     *mpo_reserved3;
+
+       mpo_vnode_check_searchfs_t              *mpo_vnode_check_searchfs;
+
+       mpo_priv_check_t                        *mpo_priv_check;
+       mpo_priv_grant_t                        *mpo_priv_grant;
+
+       mpo_proc_check_map_anon_t               *mpo_proc_check_map_anon;
+
+       mpo_vnode_check_fsgetpath_t             *mpo_vnode_check_fsgetpath;
+
+       mpo_iokit_check_open_t                  *mpo_iokit_check_open;
+
+       mpo_proc_check_ledger_t                 *mpo_proc_check_ledger;
+
+       mpo_vnode_notify_rename_t               *mpo_vnode_notify_rename;
+
+       mpo_vnode_check_setacl_t                *mpo_vnode_check_setacl;
+
+       mpo_vnode_notify_deleteextattr_t        *mpo_vnode_notify_deleteextattr;
+
+       mpo_system_check_kas_info_t             *mpo_system_check_kas_info;
+
+       mpo_vnode_check_lookup_preflight_t      *mpo_vnode_check_lookup_preflight;
+
+       mpo_vnode_notify_open_t                 *mpo_vnode_notify_open;
+
+       mpo_system_check_info_t                 *mpo_system_check_info;
+
+       mpo_pty_notify_grant_t                  *mpo_pty_notify_grant;
+       mpo_pty_notify_close_t                  *mpo_pty_notify_close;
+
+       mpo_vnode_find_sigs_t                   *mpo_vnode_find_sigs;
+
+       mpo_kext_check_load_t                   *mpo_kext_check_load;
+       mpo_kext_check_unload_t                 *mpo_kext_check_unload;
+
+       mpo_proc_check_proc_info_t              *mpo_proc_check_proc_info;
+       mpo_vnode_notify_link_t                 *mpo_vnode_notify_link;
+       mpo_iokit_check_filter_properties_t     *mpo_iokit_check_filter_properties;
+       mpo_iokit_check_get_property_t          *mpo_iokit_check_get_property;

 };
 
 /**
 };
 
 /**

-   @brief MAC policy handle type
-
-   The MAC handle is used to uniquely identify a loaded policy within
-   the MAC Framework.
-
-   A variable of this type is set by mac_policy_register().
+ *  @brief MAC policy handle type
+ *
+ *  The MAC handle is used to uniquely identify a loaded policy within
+ *  the MAC Framework.
+ *
+ *  A variable of this type is set by mac_policy_register().

  */
 typedef unsigned int mac_policy_handle_t;
 
  */
 typedef unsigned int mac_policy_handle_t;
 

-#define mpc_t  struct mac_policy_conf *
+#define mpc_t   struct mac_policy_conf *

 
 /**
 
 /**

-  @brief Mac policy configuration
-
-  This structure specifies the configuration information for a
-  MAC policy module.  A policy module developer must supply
-  a short unique policy name, a more descriptive full name, a list of label
-  namespaces and count, a pointer to the registered enty point operations,
-  any load time flags, and optionally, a pointer to a label slot identifier.
-
-  The Framework will update the runtime flags (mpc_runtime_flags) to
-  indicate that the module has been registered.
-
-  If the label slot identifier (mpc_field_off) is NULL, the Framework
-  will not provide label storage for the policy.  Otherwise, the
-  Framework will store the label location (slot) in this field.
-
-  The mpc_list field is used by the Framework and should not be
-  modified by policies.
-*/
+ *  @brief Mac policy configuration
+ *
+ *  This structure specifies the configuration information for a
+ *  MAC policy module.  A policy module developer must supply
+ *  a short unique policy name, a more descriptive full name, a list of label
+ *  namespaces and count, a pointer to the registered enty point operations,
+ *  any load time flags, and optionally, a pointer to a label slot identifier.
+ *
+ *  The Framework will update the runtime flags (mpc_runtime_flags) to
+ *  indicate that the module has been registered.
+ *
+ *  If the label slot identifier (mpc_field_off) is NULL, the Framework
+ *  will not provide label storage for the policy.  Otherwise, the
+ *  Framework will store the label location (slot) in this field.
+ *
+ *  The mpc_list field is used by the Framework and should not be
+ *  modified by policies.
+ */

 /* XXX - reorder these for better aligment on 64bit platforms */
 struct mac_policy_conf {
 /* XXX - reorder these for better aligment on 64bit platforms */
 struct mac_policy_conf {

-       const char              *mpc_name;              /** policy name */
-       const char              *mpc_fullname;          /** full name */
-       const char              **mpc_labelnames;       /** managed label namespaces */
-       unsigned int             mpc_labelname_count;   /** number of managed label namespaces */
-       struct mac_policy_ops   *mpc_ops;               /** operation vector */
-       int                      mpc_loadtime_flags;    /** load time flags */
-       int                     *mpc_field_off;         /** label slot */
-       int                      mpc_runtime_flags;     /** run time flags */
-       mpc_t                    mpc_list;              /** List reference */
-       void                    *mpc_data;              /** module data */
+       const char              *mpc_name;              /** policy name */
+       const char              *mpc_fullname;          /** full name */
+       char const * const *mpc_labelnames;     /** managed label namespaces */
+       unsigned int             mpc_labelname_count;   /** number of managed label namespaces */
+       const struct mac_policy_ops     *mpc_ops;               /** operation vector */
+       int                      mpc_loadtime_flags;    /** load time flags */
+       int                     *mpc_field_off;         /** label slot */
+       int                      mpc_runtime_flags;     /** run time flags */
+       mpc_t                    mpc_list;              /** List reference */
+       void                    *mpc_data;              /** module data */

 };
 
 /**
 };
 
 /**

-   @brief MAC policy module registration routine
-
-   This function is called to register a policy with the
-   MAC framework.  A policy module will typically call this from the
-   Darwin KEXT registration routine.
+ *  @brief MAC policy module registration routine
+ *
+ *  This function is called to register a policy with the
+ *  MAC framework.  A policy module will typically call this from the
+ *  Darwin KEXT registration routine.

  */
  */

-int    mac_policy_register(struct mac_policy_conf *mpc,
+int     mac_policy_register(struct mac_policy_conf *mpc,

     mac_policy_handle_t *handlep, void *xd);
 
 /**
     mac_policy_handle_t *handlep, void *xd);
 
 /**

-   @brief MAC policy module de-registration routine
-
-   This function is called to de-register a policy with theD
-   MAC framework.  A policy module will typically call this from the
-   Darwin KEXT de-registration routine.
+ *  @brief MAC policy module de-registration routine
+ *
+ *  This function is called to de-register a policy with theD
+ *  MAC framework.  A policy module will typically call this from the
+ *  Darwin KEXT de-registration routine.

  */
  */

-int    mac_policy_unregister(mac_policy_handle_t handle);
+int     mac_policy_unregister(mac_policy_handle_t handle);

 
 /*
  * Framework entry points for the policies to add audit data.
  */
 
 /*
  * Framework entry points for the policies to add audit data.
  */

-int    mac_audit_text(char *text, mac_policy_handle_t handle);
+int     mac_audit_text(char *text, mac_policy_handle_t handle);

 
 /*
  * Calls to assist with use of Apple XATTRs within policy modules.
  */
 
 /*
  * Calls to assist with use of Apple XATTRs within policy modules.
  */

-int    mac_vnop_setxattr(struct vnode *, const char *, char *, size_t);
-int    mac_vnop_getxattr(struct vnode *, const char *, char *, size_t,
-                         size_t *);
-int    mac_vnop_removexattr(struct vnode *, const char *);
+int     mac_vnop_setxattr(struct vnode *, const char *, char *, size_t);
+int     mac_vnop_getxattr(struct vnode *, const char *, char *, size_t,
+    size_t *);
+int     mac_vnop_removexattr(struct vnode *, const char *);
+
+/**
+ *  @brief Set an extended attribute on a vnode-based fileglob.
+ *  @param fg fileglob representing file to attach the extended attribute
+ *  @param name extended attribute name
+ *  @param buf buffer of data to use as the extended attribute value
+ *  @param len size of buffer
+ *
+ *  Sets the value of an extended attribute on a file.
+ *
+ *  Caller must hold an iocount on the vnode represented by the fileglob.
+ */
+int     mac_file_setxattr(struct fileglob *fg, const char *name, char *buf, size_t len);
+
+/**
+ *       @brief Get an extended attribute from a vnode-based fileglob.
+ *       @param fg fileglob representing file to read the extended attribute
+ *       @param name extended attribute name
+ *       @param buf buffer of data to hold the extended attribute value
+ *       @param len size of buffer
+ *       @param attrlen size of full extended attribute value
+ *
+ *       Gets the value of an extended attribute on a file.
+ *
+ *       Caller must hold an iocount on the vnode represented by the fileglob.
+ */
+int     mac_file_getxattr(struct fileglob *fg, const char *name, char *buf, size_t len,
+    size_t *attrlen);
+
+/**
+ *       @brief Remove an extended attribute from a vnode-based fileglob.
+ *       @param fg fileglob representing file to remove the extended attribute
+ *       @param name extended attribute name
+ *
+ *       Removes the named extended attribute from the file.
+ *
+ *       Caller must hold an iocount on the vnode represented by the fileglob.
+ */
+int     mac_file_removexattr(struct fileglob *fg, const char *name);
+

 
 /*
  * Arbitrary limit on how much data will be logged by the audit
  * entry points above.
  */
 
 /*
  * Arbitrary limit on how much data will be logged by the audit
  * entry points above.
  */

-#define        MAC_AUDIT_DATA_LIMIT    1024
+#define MAC_AUDIT_DATA_LIMIT    1024

 
 /*
  * Values returned by mac_audit_{pre,post}select. To combine the responses
  * of the security policies into a single decision,
  * mac_audit_{pre,post}select() choose the greatest value returned.
  */
 
 /*
  * Values returned by mac_audit_{pre,post}select. To combine the responses
  * of the security policies into a single decision,
  * mac_audit_{pre,post}select() choose the greatest value returned.
  */

-#define        MAC_AUDIT_DEFAULT       0       /* use system behavior */
-#define        MAC_AUDIT_NO            1       /* force not auditing this event */
-#define        MAC_AUDIT_YES           2       /* force auditing this event */
+#define MAC_AUDIT_DEFAULT       0       /* use system behavior */
+#define MAC_AUDIT_NO            1       /* force not auditing this event */
+#define MAC_AUDIT_YES           2       /* force auditing this event */

 
 //  \defgroup mpc_loadtime_flags Flags for the mpc_loadtime_flags field
 
 /**
 
 //  \defgroup mpc_loadtime_flags Flags for the mpc_loadtime_flags field
 
 /**

-  @name Flags for the mpc_loadtime_flags field
-  @see mac_policy_conf
-
-  This is the complete list of flags that are supported by the
-  mpc_loadtime_flags field of the mac_policy_conf structure.  These
-  flags specify the load time behavior of MAC Framework policy
-  modules.
-*/
+ *  @name Flags for the mpc_loadtime_flags field
+ *  @see mac_policy_conf
+ *
+ *  This is the complete list of flags that are supported by the
+ *  mpc_loadtime_flags field of the mac_policy_conf structure.  These
+ *  flags specify the load time behavior of MAC Framework policy
+ *  modules.
+ */

 
 /*@{*/
 
 /**
 
 /*@{*/
 
 /**

-  @brief Flag to indicate registration preference
-
-  This flag indicates that the policy module must be loaded and
-  initialized early in the boot process. If the flag is specified,
-  attempts to register the module following boot will be rejected. The
-  flag may be used by policies that require pervasive labeling of all
-  system objects, and cannot handle objects that have not been
-  properly initialized by the policy.
- */
-#define        MPC_LOADTIME_FLAG_NOTLATE       0x00000001
+ *  @brief Flag to indicate registration preference
+ *
+ *  This flag indicates that the policy module must be loaded and
+ *  initialized early in the boot process. If the flag is specified,
+ *  attempts to register the module following boot will be rejected. The
+ *  flag may be used by policies that require pervasive labeling of all
+ *  system objects, and cannot handle objects that have not been
+ *  properly initialized by the policy.
+ */
+#define MPC_LOADTIME_FLAG_NOTLATE       0x00000001

 
 /**
 
 /**

-  @brief Flag to indicate unload preference
-
-  This flag indicates that the policy module may be unloaded. If this
-  flag is not set, then the policy framework will reject requests to
-  unload the module. This flag might be used by modules that allocate
-  label state and are unable to free that state at runtime, or for
-  modules that simply do not want to permit unload operations.
-*/
-#define        MPC_LOADTIME_FLAG_UNLOADOK      0x00000002
+ *  @brief Flag to indicate unload preference
+ *
+ *  This flag indicates that the policy module may be unloaded. If this
+ *  flag is not set, then the policy framework will reject requests to
+ *  unload the module. This flag might be used by modules that allocate
+ *  label state and are unable to free that state at runtime, or for
+ *  modules that simply do not want to permit unload operations.
+ */
+#define MPC_LOADTIME_FLAG_UNLOADOK      0x00000002

 
 /**
 
 /**

-  @brief Unsupported
-
-  XXX This flag is not yet supported.
-*/
-#define        MPC_LOADTIME_FLAG_LABELMBUFS    0x00000004
+ *  @brief Unsupported
+ *
+ *  XXX This flag is not yet supported.
+ */
+#define MPC_LOADTIME_FLAG_LABELMBUFS    0x00000004

 
 /**
 
 /**

-  @brief Flag to indicate a base policy
-
-  This flag indicates that the policy module is a base policy. Only
-  one module can declare itself as base, otherwise the boot process
-  will be halted.
+ *  @brief Flag to indicate a base policy
+ *
+ *  This flag indicates that the policy module is a base policy. Only
+ *  one module can declare itself as base, otherwise the boot process
+ *  will be halted.

  */
  */

-#define        MPC_LOADTIME_BASE_POLICY        0x00000008
+#define MPC_LOADTIME_BASE_POLICY        0x00000008

 
 /*@}*/
 
 /**
 
 /*@}*/
 
 /**

-  @brief Policy registration flag
-  @see mac_policy_conf
-
-  This flag indicates that the policy module has been successfully
-  registered with the TrustedBSD MAC Framework.  The Framework will
-  set this flag in the mpc_runtime_flags field of the policy's
-  mac_policy_conf structure after registering the policy.
+ *  @brief Policy registration flag
+ *  @see mac_policy_conf
+ *
+ *  This flag indicates that the policy module has been successfully
+ *  registered with the TrustedBSD MAC Framework.  The Framework will
+ *  set this flag in the mpc_runtime_flags field of the policy's
+ *  mac_policy_conf structure after registering the policy.

  */
  */

-#define        MPC_RUNTIME_FLAG_REGISTERED     0x00000001
+#define MPC_RUNTIME_FLAG_REGISTERED     0x00000001

 
 /*
  * Depends on POLICY_VER
  */
 
 #ifndef POLICY_VER
 
 /*
  * Depends on POLICY_VER
  */
 
 #ifndef POLICY_VER

-#define        POLICY_VER      1.0
+#define POLICY_VER      1.0

 #endif
 
 #endif
 

-#define        MAC_POLICY_SET(handle, mpops, mpname, mpfullname, lnames, lcount, slot, lflags, rflags) \
-       static struct mac_policy_conf mpname##_mac_policy_conf = {      \
-               .mpc_name               = #mpname,                      \
-               .mpc_fullname           = mpfullname,                   \
-               .mpc_labelnames         = lnames,                       \
-               .mpc_labelname_count    = lcount,                       \
-               .mpc_ops                = mpops,                        \
-               .mpc_loadtime_flags     = lflags,                       \
-               .mpc_field_off          = slot,                         \
-               .mpc_runtime_flags      = rflags                        \
-       };                                                              \
-                                                                       \
-       static kern_return_t                                            \
-       kmod_start(kmod_info_t *ki, void *xd)                           \
-       {                                                               \
-               return mac_policy_register(&mpname##_mac_policy_conf,   \
-                   &handle, xd);                                       \
-       }                                                               \
-                                                                       \
-       static kern_return_t                                            \
-       kmod_stop(kmod_info_t *ki, void *xd)                            \
-       {                                                               \
-               return mac_policy_unregister(handle);                   \
-       }                                                               \
-                                                                       \
-       extern kern_return_t _start(kmod_info_t *ki, void *data);       \
-       extern kern_return_t _stop(kmod_info_t *ki, void *data);        \
-                                                                       \
-       KMOD_EXPLICIT_DECL(security.mpname, POLICY_VER, _start, _stop)  \
-       kmod_start_func_t *_realmain = kmod_start;                      \
-       kmod_stop_func_t *_antimain = kmod_stop;                        \
+#define MAC_POLICY_SET(handle, mpops, mpname, mpfullname, lnames, lcount, slot, lflags, rflags) \
+       static struct mac_policy_conf mpname##_mac_policy_conf = {      \
+               .mpc_name               = #mpname,                      \
+               .mpc_fullname           = mpfullname,                   \
+               .mpc_labelnames         = lnames,                       \
+               .mpc_labelname_count    = lcount,                       \
+               .mpc_ops                = mpops,                        \
+               .mpc_loadtime_flags     = lflags,                       \
+               .mpc_field_off          = slot,                         \
+               .mpc_runtime_flags      = rflags                        \
+       };                                                              \
+                                                                        \
+       static kern_return_t                                            \
+       kmod_start(kmod_info_t *ki, void *xd)                           \
+       {                                                               \
+               return mac_policy_register(&mpname##_mac_policy_conf,   \
+                   &handle, xd);                                       \
+       }                                                               \
+                                                                        \
+       static kern_return_t                                            \
+       kmod_stop(kmod_info_t *ki, void *xd)                            \
+       {                                                               \
+               return mac_policy_unregister(handle);                   \
+       }                                                               \
+                                                                        \
+       extern kern_return_t _start(kmod_info_t *ki, void *data);       \
+       extern kern_return_t _stop(kmod_info_t *ki, void *data);        \
+                                                                        \
+       KMOD_EXPLICIT_DECL(security.mpname, POLICY_VER, _start, _stop)  \
+       kmod_start_func_t *_realmain = kmod_start;                      \
+       kmod_stop_func_t *_antimain = kmod_stop;                        \

        int _kext_apple_cc = __APPLE_CC__
 
 
        int _kext_apple_cc = __APPLE_CC__
 
 

-#define        LABEL_TO_SLOT(l, s)     (l)->l_perpolicy[s]
+#define LABEL_TO_SLOT(l, s)     (l)->l_perpolicy[s]

 
 /*
  * Policy interface to map a struct label pointer to per-policy data.
 
 /*
  * Policy interface to map a struct label pointer to per-policy data.


@@ -6404,36 +6930,38 @@ int     mac_vnop_removexattr(struct vnode *, const char *);
  */
 intptr_t        mac_label_get(struct label *l, int slot);
 void            mac_label_set(struct label *l, int slot, intptr_t v);
  */
 intptr_t        mac_label_get(struct label *l, int slot);
 void            mac_label_set(struct label *l, int slot, intptr_t v);

+intptr_t        mac_vnode_label_get(struct vnode *vp, int slot, intptr_t sentinel);
+void            mac_vnode_label_set(struct vnode *vp, int slot, intptr_t v);

 
 

-#define        mac_get_mpc(h)          (mac_policy_list.entries[h].mpc)
+#define mac_get_mpc(h)          (mac_policy_list.entries[h].mpc)

 
 /**
 
 /**

-  @name Flags for MAC allocator interfaces
-
-  These flags are passed to the Darwin kernel allocator routines to
-  indicate whether the allocation is permitted to block or not.
-  Caution should be taken; some operations are not permitted to sleep,
-  and some types of locks cannot be held when sleeping.
+ *  @name Flags for MAC allocator interfaces
+ *
+ *  These flags are passed to the Darwin kernel allocator routines to
+ *  indicate whether the allocation is permitted to block or not.
+ *  Caution should be taken; some operations are not permitted to sleep,
+ *  and some types of locks cannot be held when sleeping.

  */
 
 /*@{*/
 
 /**
  */
 
 /*@{*/
 
 /**

-    @brief Allocation operations may block
-
-    If memory is not immediately available, the allocation routine
-    will block (typically sleeping) until memory is available.
-
-    @warning Inappropriate use of this flag may cause kernel panics.
+ *   @brief Allocation operations may block
+ *
+ *   If memory is not immediately available, the allocation routine
+ *   will block (typically sleeping) until memory is available.
+ *
+ *   @warning Inappropriate use of this flag may cause kernel panics.

  */
 #define MAC_WAITOK  0
 
 /**
  */
 #define MAC_WAITOK  0
 
 /**

-    @brief Allocation operations may not block
-
-    Rather than blocking, the allocator may return an error if memory
-    is not immediately available.  This type of allocation will not
-    sleep, preserving locking semantics.
+ *   @brief Allocation operations may not block
+ *
+ *   Rather than blocking, the allocator may return an error if memory
+ *   is not immediately available.  This type of allocation will not
+ *   sleep, preserving locking semantics.

  */
 #define MAC_NOWAIT  1
 
  */
 #define MAC_NOWAIT  1