1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27
28 /*
29 * hextoalabel - Convert an internal label to its human readable
30 * equivalent.
31 */
32
33 #include <errno.h>
34 #include <libintl.h>
35 #include <locale.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <stropts.h>
41
42 #include <sys/param.h>
43
44 #include <tsol/label.h>
45
46 #if !defined(TEXT_DOMAIN)
47 #define TEXT_DOMAIN "SYS_TEST"
48 #endif /* !defined(TEXT_DOMAIN) */
49
50 static void
label_error(const char * hex,const int err)51 label_error(const char *hex, const int err)
52 {
53 if (errno == EINVAL) {
54 switch (err) {
55 case M_BAD_STRING:
56 (void) fprintf(stderr,
57 gettext("hextoalabel: bad string %s\n"), hex);
58 break;
59 case M_BAD_LABEL:
60 (void) fprintf(stderr,
61 gettext("hextoalabel: bad previous label\n"));
62 break;
63 default:
64 (void) fprintf(stderr,
65 gettext("hextoalabel: parsing error found in "
66 "\"%s\" at position %d\n"), hex, err);
67 break;
68 }
69 } else {
70 perror("hextoalabel");
71 }
72 exit(1);
73 /*NOTREACHED*/
74 }
75
76 int
main(int argc,char ** argv)77 main(int argc, char **argv)
78 {
79 int cflg = 0; /* true if Clearance only */
80 int errflg = 0; /* true if arg error */
81 m_label_t *label = NULL;
82 char hex[PIPE_BUF]; /* internal label */
83 char *ascii = NULL; /* human readable label to print */
84 int err = 0; /* label error */
85 int c;
86
87 (void) setlocale(LC_ALL, "");
88 (void) textdomain(TEXT_DOMAIN);
89
90 opterr = 0;
91 while ((c = getopt(argc, argv, "c")) != EOF) {
92
93 switch (c) {
94 case 'c':
95 cflg++;
96 break;
97 default:
98 errflg++;
99 break;
100 }
101 }
102
103 argc -= optind - 1;
104 if (errflg || argc > 2) {
105
106 (void) fprintf(stderr,
107 gettext("usage: %s [-c] [hexadecimal label]\n"), argv[0]);
108 exit(1);
109 /*NOTREACHED*/
110 }
111
112 if (argc == 2) {
113 /* use label on command line */
114
115 (void) strlcpy(hex, argv[optind], sizeof (hex));
116 } else {
117 /* read label from standard input */
118
119 if ((c = read(STDIN_FILENO, hex, sizeof (hex))) <= 0) {
120
121 perror(gettext("reading hexadecimal label"));
122 exit(1);
123 /*NOTREACHED*/
124 }
125
126 /*
127 * replace '\n' or (end of buffer) with end of string.
128 */
129 hex[c-1] = '\0';
130
131 /*
132 * flush any remaining input past the size of the buffer.
133 */
134 (void) ioctl(STDIN_FILENO, I_FLUSH, FLUSHR);
135 }
136
137 if (cflg) {
138 if (str_to_label(hex, &label, USER_CLEAR, L_NO_CORRECTION,
139 &err) == -1) {
140 label_error(hex, err);
141 }
142 if (label_to_str(label, &ascii, M_LABEL, DEF_NAMES) != 0) {
143 perror("label_to_str");
144 exit(1);
145 }
146 (void) printf("%s\n", ascii);
147 m_label_free(label);
148 free(ascii);
149 } else {
150 if (str_to_label(hex, &label, MAC_LABEL, L_NO_CORRECTION,
151 &err) == -1) {
152 label_error(hex, err);
153 }
154 if (label_to_str(label, &ascii, M_LABEL, DEF_NAMES) != 0) {
155 perror("label_to_str");
156 exit(1);
157 }
158 (void) printf("%s\n", ascii);
159 m_label_free(label);
160 free(ascii);
161 }
162
163 return (0); /* really exit(0); */
164 }
165