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_port.c

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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 /*-
   30  * Copyright (c) 2003, 2004 Networks Associates Technology, Inc.
   31  * Copyright (c) 2005-2006 SPARTA, Inc.
   32  * All rights reserved.
   33  *
   34  * This software was developed for the FreeBSD Project in part by Network
   35  * Associates Laboratories, the Security Research Division of Network
   36  * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
   37  * as part of the DARPA CHATS research program.
   38  *
   39  * Redistribution and use in source and binary forms, with or without
   40  * modification, are permitted provided that the following conditions
   41  * are met:
   42  * 1. Redistributions of source code must retain the above copyright
   43  *    notice, this list of conditions and the following disclaimer.
   44  * 2. Redistributions in binary form must reproduce the above copyright
   45  *    notice, this list of conditions and the following disclaimer in the
   46  *    documentation and/or other materials provided with the distribution.
   47  *
   48  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   58  * SUCH DAMAGE.
   59  *
   60  */
   61 
   62 #include <security/mac_internal.h>
   63 #include <security/mac_mach_internal.h>
   64 #include <mach/message.h>
   65 #include <kern/task.h>
   66 
   67 void
   68 mac_port_label_init(struct label *l)
   69 {
   70 
   71         mac_label_init(l);
   72         if (mac_late == 0) {
   73                 mac_label_journal_add(l, MLJ_TYPE_PORT);
   74                 mac_label_journal(l, MLJ_PORT_OP_INIT);
   75         }
   76         MAC_PERFORM (port_label_init, l);
   77 }
   78 
   79 void
   80 mac_port_label_destroy(struct label *l)
   81 {
   82 
   83         MAC_PERFORM (port_label_destroy, l);
   84         if (mac_late == 0)
   85                 mac_label_journal_remove(l);
   86         mac_label_destroy(l);
   87 }
   88 
   89 void
   90 mac_port_label_copy(struct label *src, struct label *dest)
   91 {
   92 
   93         MAC_PERFORM(port_label_copy, src, dest);
   94 }
   95 
   96 void
   97 mac_port_label_update_cred(struct label *src, struct label *dest)
   98 {
   99 
  100         MAC_PERFORM(port_label_update_cred, src, dest);
  101 }
  102 
  103 void
  104 mac_port_label_associate(struct label *it, struct label *st, struct label *port)
  105 {
  106 
  107         if (mac_late == 0)
  108                 mac_label_journal(port, MLJ_PORT_OP_CREATE);
  109         MAC_PERFORM(port_label_associate, it, st, port);
  110 }
  111 
  112 void
  113 mac_port_label_associate_kernel(struct label *port, int isreply)
  114 {
  115 
  116         if (mac_late == 0)
  117                 mac_label_journal(port, MLJ_PORT_OP_CREATE_K);
  118         MAC_PERFORM(port_label_associate_kernel, port, isreply);
  119 }
  120 
  121 void
  122 mac_port_label_update_kobject(struct label *port, int kotype)
  123 {
  124 
  125         if (mac_late == 0)
  126                 mac_label_journal(port, MLJ_PORT_OP_UPDATE, kotype);
  127         MAC_PERFORM(port_label_update_kobject, port, kotype);
  128 }
  129 
  130 int
  131 mac_port_label_internalize(struct label *label, char *string)
  132 {
  133         int error;
  134 
  135         /* XXX - should have mpo_port_label_internalize */
  136         error = MAC_INTERNALIZE(cred, label, string);
  137 
  138         return (error);
  139 }
  140 
  141 int
  142 mac_port_label_externalize(struct label *label, char *elements,
  143     char *outbuf, size_t outbuflen, int flags __unused)
  144 {
  145         int error;
  146 
  147         /* XXX - should have mpo_port_label_externalize */
  148         error = MAC_EXTERNALIZE(cred, label, elements, outbuf, outbuflen);
  149 
  150         return (error);
  151 }
  152 
  153 int
  154 mac_port_check_label_update(struct label *task, struct label *old,
  155     struct label *newlabel)
  156 {
  157         int error;
  158 
  159         MAC_CHECK(port_check_label_update, task, old, newlabel);
  160 
  161         return (error);
  162 }
  163 
  164 int
  165 mac_port_check_send(struct label *task, struct label *port)
  166 {
  167         int error;
  168 
  169         MAC_CHECK(port_check_send, task, port);
  170 
  171         return (error);
  172 }
  173 
  174 int
  175 mac_port_check_receive(struct label *task, struct label *sender)
  176 {
  177         int error;
  178  
  179         MAC_CHECK(port_check_receive, task, sender);
  180  
  181         return (error);
  182 }
  183 
  184 int
  185 mac_port_check_make_send(struct label *task, struct label *port)
  186 {
  187         int error;
  188 
  189         MAC_CHECK(port_check_make_send, task, port);
  190 
  191         return (error);
  192 }
  193 
  194 int
  195 mac_port_check_make_send_once(struct label *task, struct label *port)
  196 {
  197         int error;
  198 
  199         MAC_CHECK(port_check_make_send_once, task, port);
  200 
  201         return (error);
  202 }
  203 
  204 int
  205 mac_port_check_copy_send(struct label *task, struct label *port)
  206 {
  207         int error;
  208 
  209         MAC_CHECK(port_check_copy_send, task, port);
  210 
  211         return (error);
  212 }
  213 
  214 int
  215 mac_port_check_move_send(struct label *task, struct label *port)
  216 {
  217         int error;
  218 
  219         MAC_CHECK(port_check_move_send, task, port);
  220 
  221         return (error);
  222 }
  223 
  224 int
  225 mac_port_check_move_send_once(struct label *task, struct label *port)
  226 {
  227         int error;
  228 
  229         MAC_CHECK(port_check_move_send_once, task, port);
  230 
  231         return (error);
  232 }
  233 
  234 int
  235 mac_port_check_move_receive(struct label *task, struct label *port)
  236 {
  237         int error;
  238 
  239         MAC_CHECK(port_check_move_receive, task, port);
  240 
  241         return (error);
  242 }
  243 
  244 int
  245 mac_port_check_hold_send(struct label *task, struct label *port)
  246 {
  247         int error;
  248 
  249         MAC_CHECK(port_check_hold_send, task, port);
  250 
  251         return (error);
  252 }
  253 
  254 int
  255 mac_port_check_hold_send_once(struct label *task, struct label *port)
  256 {
  257         int error;
  258 
  259         MAC_CHECK(port_check_hold_send_once, task, port);
  260 
  261         return (error);
  262 }
  263 
  264 int
  265 mac_port_check_hold_receive(struct label *task, struct label *port)
  266 {
  267         int error;
  268 
  269         MAC_CHECK(port_check_hold_receive, task, port);
  270 
  271         return (error);
  272 }
  273 
  274 int
  275 mac_port_check_method(task_t task, struct label *sub, struct label *obj, int msgid)
  276 {
  277         int error;
  278 
  279         MAC_CHECK(port_check_method, get_bsdtask_info(task), sub, obj, msgid);
  280 
  281         return (error);
  282 }

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