180 lines
4.2 KiB
C
180 lines
4.2 KiB
C
/*-
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* Copyright (c) 2005-2009 Apple Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Program to trigger the audit daemon with a message that is either:
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* - Open a new audit log file
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* - Read the audit control file and take action on it
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* - Close the audit log file and exit
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*
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*/
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#include <sys/types.h>
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#include <config/config.h>
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#ifdef HAVE_FULL_QUEUE_H
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#include <sys/queue.h>
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#else /* !HAVE_FULL_QUEUE_H */
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#include <compat/queue.h>
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#endif /* !HAVE_FULL_QUEUE_H */
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#include <sys/uio.h>
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#include <bsm/libbsm.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static int send_trigger(int);
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#ifdef USE_MACH_IPC
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#include <mach/mach.h>
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#include <servers/netname.h>
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#include <mach/message.h>
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#include <mach/port.h>
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#include <mach/mach_error.h>
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#include <mach/host_special_ports.h>
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#include <servers/bootstrap.h>
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#include "auditd_control.h"
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/*
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* XXX The following are temporary until these can be added to the kernel
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* audit.h header.
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*/
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#ifndef AUDIT_TRIGGER_INITIALIZE
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#define AUDIT_TRIGGER_INITIALIZE 7
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#endif
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#ifndef AUDIT_TRIGGER_EXPIRE_TRAILS
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#define AUDIT_TRIGGER_EXPIRE_TRAILS 8
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#endif
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static int
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send_trigger(int trigger)
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{
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mach_port_t serverPort;
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kern_return_t error;
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error = host_get_audit_control_port(mach_host_self(), &serverPort);
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if (error != KERN_SUCCESS) {
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if (geteuid() != 0) {
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errno = EPERM;
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perror("audit requires root privileges");
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} else
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mach_error("Cannot get auditd_control Mach port:",
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error);
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return (-1);
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}
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error = auditd_control(serverPort, trigger);
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if (error != KERN_SUCCESS) {
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mach_error("Error sending trigger: ", error);
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return (-1);
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}
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return (0);
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}
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#else /* ! USE_MACH_IPC */
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static int
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send_trigger(int trigger)
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{
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int error;
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error = audit_send_trigger(&trigger);
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if (error != 0) {
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if (error == EPERM)
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perror("audit requires root privileges");
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else
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perror("Error sending trigger");
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return (-1);
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}
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return (0);
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}
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#endif /* ! USE_MACH_IPC */
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static void
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usage(void)
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{
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(void)fprintf(stderr, "Usage: audit -e | -i | -n | -s | -t \n");
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exit(-1);
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}
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/*
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* Main routine to process command line options.
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*/
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int
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main(int argc, char **argv)
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{
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int ch;
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unsigned int trigger = 0;
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if (argc != 2)
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usage();
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while ((ch = getopt(argc, argv, "einst")) != -1) {
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switch(ch) {
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case 'e':
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trigger = AUDIT_TRIGGER_EXPIRE_TRAILS;
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break;
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case 'i':
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trigger = AUDIT_TRIGGER_INITIALIZE;
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break;
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case 'n':
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trigger = AUDIT_TRIGGER_ROTATE_USER;
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break;
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case 's':
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trigger = AUDIT_TRIGGER_READ_FILE;
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break;
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case 't':
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trigger = AUDIT_TRIGGER_CLOSE_AND_DIE;
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break;
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case '?':
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default:
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usage();
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break;
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}
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}
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if (send_trigger(trigger) < 0)
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exit(-1);
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printf("Trigger sent.\n");
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exit (0);
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}
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