libsyscall/wrappers/legacy/getaudit.c

   1 /*
   2  * Copyright (c) 2011 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #include <bsm/audit.h>
  25
  26 /*
  27  * Wrappers for the legacy getaudit() and setaudit() syscalls.
  28  */
  29
  30 int
  31 getaudit(struct auditinfo *ainfo)
  32 {
  33         int err;
  34         auditinfo_addr_t aia;
  35
  36         if ((err = getaudit_addr(&aia, sizeof(aia))) != 0)
  37                 return (err);
  38
  39         ainfo->ai_auid = aia.ai_auid;
  40         ainfo->ai_mask = aia.ai_mask;
  41         ainfo->ai_termid.port = aia.ai_termid.at_port;
  42         ainfo->ai_termid.machine = aia.ai_termid.at_addr[0];
  43         ainfo->ai_asid = aia.ai_asid;
  44
  45         return (0);
  46 }
  47
  48 int
  49 setaudit(const struct auditinfo *ainfo)
  50 {
  51         int err;
  52         struct auditinfo *ai = (struct auditinfo *)ainfo;
  53         auditinfo_addr_t aia;
  54
  55         /* Get the current ai_flags so they are preserved. */
  56         if ((err = getaudit_addr(&aia, sizeof(aia))) != 0)
  57                 return (err);
  58
  59         aia.ai_auid = ai->ai_auid;
  60         aia.ai_mask = ai->ai_mask;
  61         aia.ai_termid.at_port = ai->ai_termid.port;
  62         aia.ai_termid.at_type = AU_IPv4;
  63         aia.ai_termid.at_addr[0] = ai->ai_termid.machine;
  64         aia.ai_asid = ai->ai_asid;
  65
  66         if ((err = setaudit_addr(&aia, sizeof(aia))) != 0)
  67                 return (err);
  68
  69         /* The session ID may have been assigned by kernel so copy that back. */
  70         ai->ai_asid = aia.ai_asid;
  71
  72         return (0);
  73 }