1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2002 Networks Associates Technology, Inc.
5 * All rights reserved.
6 *
7 * This software was developed for the FreeBSD Project by NAI Labs, the
8 * Security Research Division of Network Associates, Inc. under
9 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
10 * CHATS research program.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. The names of the authors may not be used to endorse or promote
21 *    products derived from this software without specific prior written
22 *    permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $FreeBSD: stable/11/usr.sbin/getfmac/getfmac.c 330449 2018-03-05 07:26:05Z eadler $
37 */
38#include <sys/types.h>
39#include <sys/mac.h>
40
41#include <err.h>
42#include <paths.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include <string.h>
46#include <sysexits.h>
47#include <unistd.h>
48
49#define	MAXELEMENTS	32
50
51static void
52usage(void)
53{
54
55	fprintf(stderr,
56	    "getfmac [-h] [-l list,of,labels] [file1] [file2 ...]\n");
57	exit (EX_USAGE);
58}
59
60int
61main(int argc, char *argv[])
62{
63	char *labellist, *string;
64	mac_t label;
65	int ch, hflag;
66	int error, i;
67
68	labellist = NULL;
69	hflag = 0;
70	while ((ch = getopt(argc, argv, "hl:")) != -1) {
71		switch (ch) {
72		case 'h':
73			hflag = 1;
74			break;
75		case 'l':
76			if (labellist != NULL)
77				usage();
78			labellist = argv[optind - 1];
79			break;
80		default:
81			usage();
82		}
83
84	}
85
86	for (i = optind; i < argc; i++) {
87		if (labellist != NULL)
88			error = mac_prepare(&label, labellist);
89		else
90			error = mac_prepare_file_label(&label);
91
92		if (error != 0) {
93			perror("mac_prepare");
94			return (-1);
95		}
96
97		if (hflag)
98			error = mac_get_link(argv[i], label);
99		else
100			error = mac_get_file(argv[i], label);
101		if (error) {
102			perror(argv[i]);
103			mac_free(label);
104			continue;
105		}
106
107		error = mac_to_text(label, &string);
108		if (error != 0)
109			perror("mac_to_text");
110		else {
111			printf("%s: %s\n", argv[i], string);
112			free(string);
113		}
114		mac_free(label);
115	}
116
117	exit(EX_OK);
118}
119