xref: /freebsd/contrib/openbsm/bin/audit/audit.c (revision 9336e0699bda8a301cd2bfa37106b6ec5e32012e)
1 /*
2  * Copyright (c) 2005 Apple Computer, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1.  Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  * 2.  Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15  *     its contributors may be used to endorse or promote products derived
16  *     from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $P4: //depot/projects/trustedbsd/openbsm/bin/audit/audit.c#8 $
30  */
31 /*
32  * Program to trigger the audit daemon with a message that is either:
33  *    - Open a new audit log file
34  *    - Read the audit control file and take action on it
35  *    - Close the audit log file and exit
36  *
37  */
38 
39 #include <sys/types.h>
40 #include <sys/queue.h>
41 #include <sys/uio.h>
42 
43 #include <bsm/libbsm.h>
44 
45 #include <fcntl.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <unistd.h>
49 
50 static void
51 usage(void)
52 {
53 
54 	(void)fprintf(stderr, "Usage: audit -n | -s | -t \n");
55 	exit(-1);
56 }
57 
58 /*
59  * Main routine to process command line options.
60  */
61 int
62 main(int argc, char **argv)
63 {
64 	int ch;
65 	unsigned int trigger = 0;
66 
67 	if (argc != 2)
68 		usage();
69 
70 	while ((ch = getopt(argc, argv, "nst")) != -1) {
71 		switch(ch) {
72 
73 		case 'n':
74 			trigger = AUDIT_TRIGGER_ROTATE_USER;
75 			break;
76 
77 		case 's':
78 			trigger = AUDIT_TRIGGER_READ_FILE;
79 			break;
80 
81 		case 't':
82 			trigger = AUDIT_TRIGGER_CLOSE_AND_DIE;
83 			break;
84 
85 		case '?':
86 		default:
87 			usage();
88 			break;
89 		}
90 	}
91 	if (auditon(A_SENDTRIGGER, &trigger, sizeof(trigger)) < 0) {
92 		perror("Error sending trigger");
93 		exit(-1);
94 	} else {
95 		printf("Trigger sent.\n");
96 		exit (0);
97 	}
98 }
99