usr/src/lib/libbsm/common/getfaudflgs.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #include <sys/types.h>
  26 #include <bsm/audit.h>
  27 #include <bsm/libbsm.h>
  28
  29 /*
  30  * getfauditflags() - combines system event flag mask with user event
  31  *      flag masks.
  32  *
  33  * input: usremasks->as_success - always audit on success
  34  *        usremasks->as_failure - always audit on failure
  35  *        usrdmasks->as_success - never audit on success
  36  *        usrdmasks->as_failure - never audit on failure
  37  *
  38  * output: lastmasks->as_success - audit on success
  39  *         lastmasks->as_failure - audit on failure
  40  *
  41  * returns:      0 - ok
  42  *              -1 - error (cannot get attributable mask)
  43  */
  44 int
  45 getfauditflags(au_mask_t *usremasks, au_mask_t *usrdmasks, au_mask_t *lastmasks)
  46 {
  47         au_mask_t masks;
  48
  49         /* get system audit mask and convert to bit mask */
  50         if (auditon(A_GETAMASK, (caddr_t)&masks, sizeof (masks)) == -1) {
  51                 return (-1);
  52         }
  53
  54         /* combine system and user event masks */
  55         lastmasks->as_success = masks.as_success;
  56         lastmasks->as_failure = masks.as_failure;
  57
  58         lastmasks->as_success |= usremasks->as_success;
  59         lastmasks->as_failure |= usremasks->as_failure;
  60
  61         lastmasks->as_success &= ~(usrdmasks->as_success);
  62         lastmasks->as_failure &= ~(usrdmasks->as_failure);
  63
  64         return (0);
  65 }