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/*-
* Copyright (c) 2005-2009 Apple Inc.
* All rights reserved.
*
* 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 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.
*
* $P4: //depot/projects/trustedbsd/openbsm/bin/audit/audit.c#15 $
*/
/*
* Program to trigger the audit daemon with a message that is either:
* - Open a new audit log file
* - Read the audit control file and take action on it
* - Close the audit log file and exit
*
*/
#include <sys/types.h>
#include <config/config.h>
#ifdef HAVE_FULL_QUEUE_H
#include <sys/queue.h>
#else /* !HAVE_FULL_QUEUE_H */
#include <compat/queue.h>
#endif /* !HAVE_FULL_QUEUE_H */
#include <sys/uio.h>
#include <bsm/libbsm.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static int send_trigger(int);
#ifdef USE_MACH_IPC
#include <mach/mach.h>
#include <servers/netname.h>
#include <mach/message.h>
#include <mach/port.h>
#include <mach/mach_error.h>
#include <mach/host_special_ports.h>
#include <servers/bootstrap.h>
#include "auditd_control.h"
/*
* XXX The following are temporary until these can be added to the kernel
* audit.h header.
*/
#ifndef AUDIT_TRIGGER_INITIALIZE
#define AUDIT_TRIGGER_INITIALIZE 7
#endif
#ifndef AUDIT_TRIGGER_EXPIRE_TRAILS
#define AUDIT_TRIGGER_EXPIRE_TRAILS 8
#endif
static int
send_trigger(int trigger)
{
mach_port_t serverPort;
kern_return_t error;
error = host_get_audit_control_port(mach_host_self(), &serverPort);
if (error != KERN_SUCCESS) {
if (geteuid() != 0) {
errno = EPERM;
perror("audit requires root privileges");
} else
mach_error("Cannot get auditd_control Mach port:",
error);
return (-1);
}
error = auditd_control(serverPort, trigger);
if (error != KERN_SUCCESS) {
mach_error("Error sending trigger: ", error);
return (-1);
}
return (0);
}
#else /* ! USE_MACH_IPC */
static int
send_trigger(int trigger)
{
int error;
error = audit_send_trigger(&trigger);
if (error != 0) {
if (error == EPERM)
perror("audit requires root privileges");
else
perror("Error sending trigger");
return (-1);
}
return (0);
}
#endif /* ! USE_MACH_IPC */
static void
usage(void)
{
(void)fprintf(stderr, "Usage: audit -e | -i | -n | -s | -t \n");
exit(-1);
}
/*
* Main routine to process command line options.
*/
int
main(int argc, char **argv)
{
int ch;
unsigned int trigger = 0;
if (argc != 2)
usage();
while ((ch = getopt(argc, argv, "einst")) != -1) {
switch(ch) {
case 'e':
trigger = AUDIT_TRIGGER_EXPIRE_TRAILS;
break;
case 'i':
trigger = AUDIT_TRIGGER_INITIALIZE;
break;
case 'n':
trigger = AUDIT_TRIGGER_ROTATE_USER;
break;
case 's':
trigger = AUDIT_TRIGGER_READ_FILE;
break;
case 't':
trigger = AUDIT_TRIGGER_CLOSE_AND_DIE;
break;
case '?':
default:
usage();
break;
}
}
if (send_trigger(trigger) < 0)
exit(-1);
printf("Trigger sent.\n");
exit (0);
}
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