security/mac_mach_internal.h

   1 /*
   2  * Copyright (c) 2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*-
  29  * Copyright (c) 2005 SPARTA, Inc.
  30  * All rights reserved.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  */
  53
  54 #ifndef _SECURITY_MAC_MACH_INTERNAL_H_
  55 #define _SECURITY_MAC_MACH_INTERNAL_H_
  56
  57 #ifndef PRIVATE
  58 #warning "MAC policy is not KPI, see Technical Q&A QA1574, this header will be removed in next version"
  59 #endif
  60
  61 /* mac_do_machexc() flags */
  62 #define MAC_DOEXCF_TRACED       0x01    /* Only do mach exeception if
  63                                            being ptrace()'ed */
  64 struct exception_action;
  65 struct proc;
  66 struct uthread;
  67 struct task;
  68
  69 int     mac_do_machexc(int64_t code, int64_t subcode, uint32_t flags __unused);
  70 int     mac_schedule_userret(void);
  71
  72 #if CONFIG_MACF
  73 void mac_policy_init(void);
  74 void mac_policy_initmach(void);
  75
  76 /* tasks */
  77 int     mac_task_check_expose_task(struct task *t, mach_task_flavor_t flavor);
  78 int     mac_task_check_task_id_token_get_task(struct task *t, mach_task_flavor_t flavor);
  79 int     mac_task_check_set_host_special_port(struct task *task,
  80             int id, struct ipc_port *port);
  81 int     mac_task_check_set_host_exception_port(struct task *task,
  82             unsigned int exception);
  83 int     mac_task_check_set_host_exception_ports(struct task *task,
  84             unsigned int exception_mask);
  85 int mac_task_check_get_movable_control_port(void);
  86 int mac_task_check_dyld_process_info_notify_register(void);
  87
  88 /* See rdar://problem/58989880 */
  89 #ifndef bitstr_test
  90 #   define bitstr_test(name, bit) ((name)[((bit) >> 3)] & (1 << ((bit) & 0x7)))
  91 #endif /* ! bitstr_test */
  92
  93 typedef int (*mac_task_mach_filter_cbfunc_t)(struct proc *bsdinfo, int num);
  94 typedef int (*mac_task_kobj_filter_cbfunc_t)(struct proc *bsdinfo, int msgid, int index);
  95 extern mac_task_mach_filter_cbfunc_t mac_task_mach_trap_evaluate;
  96 extern mac_task_kobj_filter_cbfunc_t mac_task_kobj_msg_evaluate;
  97 extern const int mach_trap_count;
  98 extern int mach_kobj_count;
  99
 100 void mac_task_set_mach_filter_mask(struct task *task, uint8_t *maskptr);
 101 void mac_task_set_kobj_filter_mask(struct task *task, uint8_t *maskptr);
 102 int  mac_task_register_filter_callbacks(
 103                 const mac_task_mach_filter_cbfunc_t mach_cbfunc,
 104                 const mac_task_kobj_filter_cbfunc_t kobj_cbfunc);
 105
 106 /* threads */
 107 void    act_set_astmacf(struct thread *);
 108 void    mac_thread_userret(struct thread *);
 109
 110 /* exception actions */
 111 struct label *mac_exc_create_label(void);
 112 void mac_exc_free_label(struct label *label);
 113
 114 void mac_exc_associate_action_label(struct exception_action *action, struct label *label);
 115 void mac_exc_free_action_label(struct exception_action *action);
 116
 117 int mac_exc_update_action_label(struct exception_action *action, struct label *newlabel);
 118 int mac_exc_inherit_action_label(struct exception_action *parent, struct exception_action *child);
 119 int mac_exc_update_task_crash_label(struct task *task, struct label *newlabel);
 120
 121 int mac_exc_action_check_exception_send(struct task *victim_task, struct exception_action *action);
 122
 123 void mac_proc_notify_exec_complete(struct proc *proc);
 124 int mac_proc_check_remote_thread_create(struct task *task, int flavor, thread_state_t new_state, mach_msg_type_number_t new_state_count);
 125
 126 struct label *mac_exc_create_label_for_proc(struct proc *proc);
 127 struct label *mac_exc_create_label_for_current_proc(void);
 128
 129 #endif /* MAC */
 130
 131 #endif  /* !_SECURITY_MAC_MACH_INTERNAL_H_ */