FreeBSD/Linux Kernel Cross Reference
sys/security/mac_task.c

     /*
      * Copyright (c) 2007 Apple Inc. All rights reserved.
      *
      * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
      * Version 2.0 (the 'License'). You may not use this file except in
      * compliance with the License. The rights granted to you under the License
     * may not be used to create, or enable the creation or redistribution of,
     * unlawful or unlicensed copies of an Apple operating system, or to
     * circumvent, violate, or enable the circumvention or violation of, any
     * terms of an Apple operating system software license agreement.
     * 
     * Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
     */
    
    /*-
     * Copyright (c) 2003, 2004 Networks Associates Technology, Inc.
     * Copyright (c) 2005 SPARTA, Inc.
     *
     * This software was developed for the FreeBSD Project in part by Network
     * Associates Laboratories, the Security Research Division of Network
     * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
     * as part of the DARPA CHATS research program.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     */
    
    #include <security/mac_internal.h>
    #include <security/mac_mach_internal.h>
    
    void
    mac_task_label_init(struct label *label)
    {
    
            mac_label_init(label);
            if (mac_late == 0) {
                    mac_label_journal_add(label, MLJ_TYPE_TASK);
                    mac_label_journal(label, MLJ_TASK_OP_INIT);
            }
            MAC_PERFORM(task_label_init, label);
    }
    
    void
    mac_task_label_update(struct label *cred, struct label *task)
    {
    
            MAC_PERFORM(task_label_update, cred, task);
    }
    
    void
    mac_task_label_copy(struct label *src, struct label *dest)
    {
    
            MAC_PERFORM(task_label_copy, src, dest);
    }
    
    void
    mac_task_label_destroy(struct label *label)
    {
    
            MAC_PERFORM(task_label_destroy, label);
            if (mac_late == 0)
                    mac_label_journal_remove(label);
            mac_label_destroy(label);
    }
    
   void
   mac_task_label_associate(struct task *parent, struct task *child, struct label *pl,
       struct label *chl, struct label *chportl)
   {
   
           MAC_PERFORM(task_label_associate, parent, child, pl, chl, chportl);
   }
   
   void
   mac_task_label_associate_kernel(struct task *t, struct label *tl, struct label *tportl)
   {
   
           if (mac_late == 0)
                   mac_label_journal(tl, MLJ_TASK_OP_CREATE_K);
           MAC_PERFORM(task_label_associate_kernel, t, tl, tportl);
   }
   
   int
   mac_task_label_externalize(struct label *label, char *elements,
       char *outbuf, size_t outbuflen, int flags __unused)
   {
           int error = 0;
   
           error = MAC_EXTERNALIZE(task, label, elements, outbuf, outbuflen);
   
           return (error);
   }
   
   int
   mac_task_label_internalize(struct label *label, char *string)
   {
           int error;
   
           error = MAC_INTERNALIZE(task, label, string);
   
           return (error);
   }

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