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 int mac_task_check_service(task_t self, task_t obj, const char *perm);
  62 void mac_task_label_update_internal(struct label *pl, struct task *t);
  63 int mac_port_label_compute(struct label *subj, struct label *obj,
  64     const char *serv, struct label *out);
  65 int mac_port_check_method(task_t task, struct label *sub, struct label *obj, int msgid);
  66
  67 /* mac_do_machexc() flags */
  68 #define MAC_DOEXCF_TRACED       0x01    /* Only do mach exeception if
  69                                            being ptrace()'ed */
  70 struct uthread;
  71 int     mac_do_machexc(int64_t code, int64_t subcode, uint32_t flags __unused);
  72 int     mac_schedule_userret(void);
  73 struct label *mac_thread_get_threadlabel(struct thread *thread);
  74 struct label *mac_thread_get_uthreadlabel(struct uthread *uthread);
  75
  76 #if CONFIG_MACF
  77 void mac_policy_init(void);
  78 void mac_policy_initmach(void);
  79
  80 /* tasks */
  81 void mac_task_label_init(struct label *);
  82 void mac_task_label_copy(struct label *src, struct label *dest);
  83 void mac_task_label_destroy(struct label *);
  84 void mac_task_label_associate(struct task *, struct task *, struct label *,
  85     struct label *, struct label *);
  86 void mac_task_label_associate_kernel(struct task *, struct label *, struct label *);
  87 void mac_task_label_modify( struct task *pt, void *arg,
  88     void (*f)(struct label *l, void *arg));
  89 struct label *mac_task_get_label(struct task *task);
  90
  91 /* ports */
  92 void mac_port_label_init(struct label *l);
  93 void mac_port_label_destroy(struct label *l);
  94 void mac_port_label_associate(struct label *it, struct label *st, struct label *plabel);
  95 void mac_port_label_associate_kernel(struct label *plabel, int isreply);
  96 void mac_port_label_update_kobject(struct label *plabel, int kotype);
  97 void mac_port_label_copy(struct label *src, struct label *dest);
  98 void mac_port_label_update_cred(struct label *src, struct label *dest);
  99 int mac_port_check_label_update(struct label *task, struct label *oldl, struct label *newl);
 100
 101 int mac_port_check_send(struct label *task, struct label *port);
 102 int mac_port_check_receive(struct label *task, struct label *sender);
 103 int mac_port_check_make_send(struct label *task, struct label *port);
 104 int mac_port_check_make_send_once(struct label *task, struct label *port);
 105 int mac_port_check_move_receive(struct label *task, struct label *port);
 106 int mac_port_check_copy_send(struct label *task, struct label *port);
 107 int mac_port_check_move_send(struct label *task, struct label *port);
 108 int mac_port_check_move_send_once(struct label *task, struct label *port);
 109
 110 int mac_port_check_hold_send(struct label *task, struct label *port);
 111 int mac_port_check_hold_send_once(struct label *task, struct label *port);
 112 int mac_port_check_hold_receive(struct label *task, struct label *port);
 113
 114 int mac_task_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
 115 int mac_task_label_internalize(struct label *label, char *string);
 116 int mac_port_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
 117 int mac_port_label_internalize(struct label *label, char *string);
 118
 119 void    mac_task_label_update(struct label *cred, struct label *task);
 120 int     mac_port_check_service(struct label *subj, struct label *obj,
 121             const char *serv, const char *perm);
 122
 123 /* threads */
 124 void    act_set_astmacf(struct thread *);
 125 void    mac_thread_userret(struct thread *);
 126 #endif /* MAC */
 127
 128 #endif  /* !_SECURITY_MAC_MACH_INTERNAL_H_ */