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/*
* Copyright (c) 2005 Apple Computer, Inc.
* All rights reserved.
*
* @APPLE_BSD_LICENSE_HEADER_START@
*
* 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
*
* @APPLE_BSD_LICENSE_HEADER_END@
*
* $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/audit_warn.c#5 $
*/
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include "auditd.h"
/*
* Write an audit-related error to the system log via syslog(3).
*/
static int
auditwarnlog(char *args[])
{
char *loc_args[9];
pid_t pid;
int i;
loc_args[0] = AUDITWARN_SCRIPT;
for (i = 0; args[i] != NULL && i < 8; i++)
loc_args[i+1] = args[i];
loc_args[i+1] = NULL;
pid = fork();
if (pid == -1)
return (-1);
if (pid == 0) {
/*
* Child.
*/
execv(AUDITWARN_SCRIPT, loc_args);
syslog(LOG_ERR, "Could not exec %s (%m)\n",
AUDITWARN_SCRIPT);
exit(1);
}
/*
* Parent.
*/
return (0);
}
/*
* Indicates that the hard limit for all filesystems has been exceeded count
* times.
*/
int
audit_warn_allhard(int count)
{
char intstr[12];
char *args[3];
snprintf(intstr, 12, "%d", count);
args[0] = HARDLIM_ALL_WARN;
args[1] = intstr;
args[2] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that the soft limit for all filesystems has been exceeded.
*/
int
audit_warn_allsoft(void)
{
char *args[2];
args[0] = SOFTLIM_ALL_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that someone other than the audit daemon turned off auditing.
* XXX Its not clear at this point how this function will be invoked.
*
* XXXRW: This function is not used.
*/
int
audit_warn_auditoff(void)
{
char *args[2];
args[0] = AUDITOFF_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that the audit deammn is already running
*/
int
audit_warn_ebusy(void)
{
char *args[2];
args[0] = EBUSY_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that there is a problem getting the directory from
* audit_control.
*
* XXX Note that we take the filename instead of a count as the argument here
* (different from BSM).
*/
int
audit_warn_getacdir(char *filename)
{
char *args[3];
args[0] = GETACDIR_WARN;
args[1] = filename;
args[2] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that the hard limit for this file has been exceeded.
*/
int
audit_warn_hard(char *filename)
{
char *args[3];
args[0] = HARDLIM_WARN;
args[1] = filename;
args[2] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that auditing could not be started.
*/
int
audit_warn_nostart(void)
{
char *args[2];
args[0] = NOSTART_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
/*
* Indicaes that an error occrred during the orderly shutdown of the audit
* daemon.
*/
int
audit_warn_postsigterm(void)
{
char *args[2];
args[0] = POSTSIGTERM_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that the soft limit for this file has been exceeded.
*/
int
audit_warn_soft(char *filename)
{
char *args[3];
args[0] = SOFTLIM_WARN;
args[1] = filename;
args[2] = NULL;
return (auditwarnlog(args));
}
/*
* Indicates that the temporary audit file already exists indicating a fatal
* error.
*/
int
audit_warn_tmpfile(void)
{
char *args[2];
args[0] = TMPFILE_WARN;
args[1] = NULL;
return (auditwarnlog(args));
}
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