The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/security/mac_mach_internal.h

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

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