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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 /*
29 * hextob.c - Hexadecimal string to binary label conversion.
30 *
31 * These routines convert canonical hexadecimal representations
32 * of internal labels into binary form.
33 *
34 */
35
36 #include <stdio.h>
37 #include <string.h>
38 #include <ctype.h>
39
40 #include <tsol/label.h>
41 #include <sys/tsol/label_macro.h>
42
43 /*
44 * htobsl - Convert a Hexadecimal label string to a Sensitivity Label.
45 *
46 * Entry s = Hexadecimal label string to be converted.
47 *
48 * Exit label = Sensitivity Label converted, if successful.
49 * Unchanged, if not successful.
50 *
51 * Returns 1, If successful.
52 * 0, Otherwise.
53 *
54 * Calls str_to_label, m_label_free.
55 */
56
57 int
htobsl(const char * s,m_label_t * label)58 htobsl(const char *s, m_label_t *label)
59 {
60 m_label_t *l = NULL;
61
62 if (str_to_label(s, &l, MAC_LABEL, L_NO_CORRECTION, NULL) == -1) {
63 m_label_free(l);
64 return (0);
65 }
66 *label = *l;
67 m_label_free(l);
68 return (1);
69 }
70
71 /*
72 * htobclear - Convert a Hexadecimal label string to a Clearance.
73 *
74 * Entry s = Hexadecimal label string to be converted.
75 *
76 * Exit clearance = Clearnace converted, if successful.
77 * Unchanged, if not successful.
78 *
79 * Returns 1, If successful.
80 * 0, Otherwise.
81 *
82 * Calls str_to_label, m_label_free.
83 */
84
85 int
htobclear(const char * s,m_label_t * clearance)86 htobclear(const char *s, m_label_t *clearance)
87 {
88 m_label_t *c = NULL;
89
90 if (str_to_label(s, &c, USER_CLEAR, L_NO_CORRECTION, NULL) == -1) {
91 m_label_free(c);
92 return (0);
93 }
94 *clearance = *c;
95 m_label_free(c);
96 return (1);
97 }
98