/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_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
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, 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.
- *
- * 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,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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.
+ *
+ * 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,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
/*
*/
/*
#ifndef _IPC_IPC_PORT_H_
#define _IPC_IPC_PORT_H_
+#if MACH_KERNEL_PRIVATE
+
#include <norma_vm.h>
#include <mach_rt.h>
#include <mach_assert.h>
#include <ipc/ipc_mqueue.h>
#include <ipc/ipc_space.h>
+#include <security/_label.h>
+
/*
* A receive right (port) can be in four states:
* 1) dead (not active, ip_timestamp has death time)
struct ipc_port {
/*
- * Initial sub-structure in common with ipc_pset and rpc_port
- * First element is an ipc_object
+ * Initial sub-structure in common with ipc_pset
+ * First element is an ipc_object second is a
+ * message queue
*/
struct ipc_object ip_object;
+ struct ipc_mqueue ip_messages;
union {
struct ipc_space *receiver;
struct ipc_port_request *ip_dnrequests;
unsigned int ip_pset_count;
- struct ipc_mqueue ip_messages;
struct ipc_kmsg *ip_premsg;
+ mach_vm_address_t ip_context;
#if NORMA_VM
/*
#endif
#if MACH_ASSERT
-#define IP_NSPARES 10
-#define IP_CALLSTACK_MAX 10
+#define IP_NSPARES 4
+#define IP_CALLSTACK_MAX 16
queue_chain_t ip_port_links; /* all allocated ports */
thread_t ip_thread; /* who made me? thread context */
unsigned long ip_timetrack; /* give an idea of "when" created */
natural_t ip_callstack[IP_CALLSTACK_MAX]; /* stack trace */
unsigned long ip_spares[IP_NSPARES]; /* for debugging */
#endif /* MACH_ASSERT */
- int alias;
+ uintptr_t alias;
+
+#if CONFIG_MACF_MACH
+ struct label ip_label;
+#endif
};
#define ip_references ip_object.io_references
#define ip_bits ip_object.io_bits
-#define ip_receiver_name ip_object.io_receiver_name
#define ip_receiver data.receiver
#define ip_destination data.destination
#define ip_timestamp data.timestamp
+#define ip_receiver_name ip_messages.imq_receiver_name
+
#define IP_NULL IPC_PORT_NULL
#define IP_DEAD IPC_PORT_DEAD
#define IP_VALID(port) IPC_PORT_VALID(port)
#define ipr_soright notify.port
#define ipr_name name.name
+extern lck_grp_t ipc_lck_grp;
+extern lck_attr_t ipc_lck_attr;
+
/*
* Taking the ipc_port_multiple lock grants the privilege
* to lock multiple ports at once. No ports must locked
* when it is taken.
*/
-decl_mutex_data(extern,ipc_port_multiple_lock_data)
+decl_lck_mtx_data(extern,ipc_port_multiple_lock_data)
+extern lck_mtx_ext_t ipc_port_multiple_lock_data_ext;
#define ipc_port_multiple_lock_init() \
- mutex_init(&ipc_port_multiple_lock_data, 0)
+ lck_mtx_init_ext(&ipc_port_multiple_lock_data, &ipc_port_multiple_lock_data_ext, &ipc_lck_grp, &ipc_lck_attr)
#define ipc_port_multiple_lock() \
- mutex_lock(&ipc_port_multiple_lock_data)
+ lck_mtx_lock(&ipc_port_multiple_lock_data)
#define ipc_port_multiple_unlock() \
- mutex_unlock(&ipc_port_multiple_lock_data)
+ lck_mtx_unlock(&ipc_port_multiple_lock_data)
/*
* The port timestamp facility provides timestamps
* mach_port_names with port death.
*/
-decl_mutex_data(extern,ipc_port_timestamp_lock_data)
+decl_lck_mtx_data(extern,ipc_port_timestamp_lock_data)
+extern lck_mtx_ext_t ipc_port_timestamp_lock_data_ext;
+
extern ipc_port_timestamp_t ipc_port_timestamp_data;
#define ipc_port_timestamp_lock_init() \
- mutex_init(&ipc_port_timestamp_lock_data, 0)
+ lck_mtx_init_ext(&ipc_port_timestamp_lock_data, &ipc_port_timestamp_lock_data_ext, &ipc_lck_grp, &ipc_lck_attr)
#define ipc_port_timestamp_lock() \
- mutex_lock(&ipc_port_timestamp_lock_data)
+ lck_mtx_lock(&ipc_port_timestamp_lock_data)
#define ipc_port_timestamp_unlock() \
- mutex_unlock(&ipc_port_timestamp_lock_data)
+ lck_mtx_unlock(&ipc_port_timestamp_lock_data)
/* Retrieve a port timestamp value */
extern ipc_port_timestamp_t ipc_port_timestamp(void);
ipc_port_t sright,
ipc_space_t space);
+#endif /* MACH_KERNEL_PRIVATE */
+
+#if KERNEL_PRIVATE
+
/* Release a (valid) naked send right */
extern void ipc_port_release_send(
ipc_port_t port);
+#endif /* KERNEL_PRIVATE */
+
+#if MACH_KERNEL_PRIVATE
+
/* Make a naked send-once right from a receive right */
extern ipc_port_t ipc_port_make_sonce(
ipc_port_t port);
#define ipc_port_release(port) \
ipc_object_release(&(port)->ip_object)
+#endif /* MACH_KERNEL_PRIVATE */
+
#endif /* _IPC_IPC_PORT_H_ */
projects / apple / xnu.git / blobdiff