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 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 #if CONFIG_MACF
  64 void mac_policy_init(void);
  65 void mac_policy_initmach(void);
  66
  67 /* tasks */
  68 void mac_task_label_init(struct label *);
  69 void mac_task_label_copy(struct label *src, struct label *dest);
  70 void mac_task_label_destroy(struct label *);
  71 void mac_task_label_associate(struct task *, struct task *, struct label *,
  72     struct label *, struct label *);
  73 void mac_task_label_associate_kernel(struct task *, struct label *, struct label *);
  74 void mac_task_label_modify( struct task *pt, void *arg,
  75     void (*f)(struct label *l, void *arg));
  76 struct label *mac_task_get_label(struct task *task);
  77
  78 /* ports */
  79 void mac_port_label_init(struct label *l);
  80 void mac_port_label_destroy(struct label *l);
  81 void mac_port_label_associate(struct label *it, struct label *st, struct label *plabel);
  82 void mac_port_label_associate_kernel(struct label *plabel, int isreply);
  83 void mac_port_label_update_kobject(struct label *plabel, int kotype);
  84 void mac_port_label_copy(struct label *src, struct label *dest);
  85 void mac_port_label_update_cred(struct label *src, struct label *dest);
  86 int mac_port_check_label_update(struct label *task, struct label *oldl, struct label *newl);
  87
  88 int mac_port_check_send(struct label *task, struct label *port);
  89 int mac_port_check_receive(struct label *task, struct label *sender);
  90 int mac_port_check_make_send(struct label *task, struct label *port);
  91 int mac_port_check_make_send_once(struct label *task, struct label *port);
  92 int mac_port_check_move_receive(struct label *task, struct label *port);
  93 int mac_port_check_copy_send(struct label *task, struct label *port);
  94 int mac_port_check_move_send(struct label *task, struct label *port);
  95 int mac_port_check_move_send_once(struct label *task, struct label *port);
  96
  97 int mac_port_check_hold_send(struct label *task, struct label *port);
  98 int mac_port_check_hold_send_once(struct label *task, struct label *port);
  99 int mac_port_check_hold_receive(struct label *task, struct label *port);
 100
 101 int mac_task_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
 102 int mac_task_label_internalize(struct label *label, char *string);
 103 int mac_port_label_externalize(struct label *, char *e, char *out, size_t olen, int flags);
 104 int mac_port_label_internalize(struct label *label, char *string);
 105
 106 void    mac_task_label_update(struct label *cred, struct label *task);
 107 int     mac_port_check_service(struct label *subj, struct label *obj,
 108             const char *serv, const char *perm);
 109 #endif /* MAC */
 110
 111 #endif  /* !_SECURITY_MAC_MACH_INTERNAL_H_ */