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 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 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