xref: /freebsd/usr.sbin/getfmac/getfmac.c (revision 57718be8fa0bd5edc11ab9a72e68cc71982939a6)
1 /*-
2  * Copyright (c) 2002 Networks Associates Technology, Inc.
3  * All rights reserved.
4  *
5  * This software was developed for the FreeBSD Project by NAI Labs, the
6  * Security Research Division of Network Associates, Inc. under
7  * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
8  * CHATS research program.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. The names of the authors may not be used to endorse or promote
19  *    products derived from this software without specific prior written
20  *    permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 #include <sys/types.h>
37 #include <sys/mac.h>
38 
39 #include <err.h>
40 #include <paths.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <sysexits.h>
45 #include <unistd.h>
46 
47 #define	MAXELEMENTS	32
48 
49 static void
50 usage(void)
51 {
52 
53 	fprintf(stderr,
54 	    "getfmac [-h] [-l list,of,labels] [file1] [file2 ...]\n");
55 	exit (EX_USAGE);
56 }
57 
58 int
59 main(int argc, char *argv[])
60 {
61 	char *labellist, *string;
62 	mac_t label;
63 	int ch, hflag;
64 	int error, i;
65 
66 	labellist = NULL;
67 	hflag = 0;
68 	while ((ch = getopt(argc, argv, "hl:")) != -1) {
69 		switch (ch) {
70 		case 'h':
71 			hflag = 1;
72 			break;
73 		case 'l':
74 			if (labellist != NULL)
75 				usage();
76 			labellist = argv[optind - 1];
77 			break;
78 		default:
79 			usage();
80 		}
81 
82 	}
83 
84 	for (i = optind; i < argc; i++) {
85 		if (labellist != NULL)
86 			error = mac_prepare(&label, labellist);
87 		else
88 			error = mac_prepare_file_label(&label);
89 
90 		if (error != 0) {
91 			perror("mac_prepare");
92 			return (-1);
93 		}
94 
95 		if (hflag)
96 			error = mac_get_link(argv[i], label);
97 		else
98 			error = mac_get_file(argv[i], label);
99 		if (error) {
100 			perror(argv[i]);
101 			mac_free(label);
102 			continue;
103 		}
104 
105 		error = mac_to_text(label, &string);
106 		if (error != 0)
107 			perror("mac_to_text");
108 		else {
109 			printf("%s: %s\n", argv[i], string);
110 			free(string);
111 		}
112 		mac_free(label);
113 	}
114 
115 	exit(EX_OK);
116 }
117