1 /* $NetBSD: der.c,v 1.1.1.1 2011/04/13 18:14:40 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 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 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "der_locl.h" 37 #include <krb5/com_err.h> 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 #include <krb5/getarg.h> 41 #include <err.h> 42 43 __RCSID("$NetBSD: der.c,v 1.1.1.1 2011/04/13 18:14:40 elric Exp $"); 44 45 46 static const char *class_names[] = { 47 "UNIV", /* 0 */ 48 "APPL", /* 1 */ 49 "CONTEXT", /* 2 */ 50 "PRIVATE" /* 3 */ 51 }; 52 53 static const char *type_names[] = { 54 "PRIM", /* 0 */ 55 "CONS" /* 1 */ 56 }; 57 58 static const char *tag_names[] = { 59 "EndOfContent", /* 0 */ 60 "Boolean", /* 1 */ 61 "Integer", /* 2 */ 62 "BitString", /* 3 */ 63 "OctetString", /* 4 */ 64 "Null", /* 5 */ 65 "ObjectID", /* 6 */ 66 NULL, /* 7 */ 67 NULL, /* 8 */ 68 NULL, /* 9 */ 69 "Enumerated", /* 10 */ 70 NULL, /* 11 */ 71 NULL, /* 12 */ 72 NULL, /* 13 */ 73 NULL, /* 14 */ 74 NULL, /* 15 */ 75 "Sequence", /* 16 */ 76 "Set", /* 17 */ 77 NULL, /* 18 */ 78 "PrintableString", /* 19 */ 79 NULL, /* 20 */ 80 NULL, /* 21 */ 81 "IA5String", /* 22 */ 82 "UTCTime", /* 23 */ 83 "GeneralizedTime", /* 24 */ 84 NULL, /* 25 */ 85 "VisibleString", /* 26 */ 86 "GeneralString", /* 27 */ 87 NULL, /* 28 */ 88 NULL, /* 29 */ 89 "BMPString" /* 30 */ 90 }; 91 92 static int 93 get_type(const char *name, const char *list[], unsigned len) 94 { 95 unsigned i; 96 for (i = 0; i < len; i++) 97 if (list[i] && strcasecmp(list[i], name) == 0) 98 return i; 99 return -1; 100 } 101 102 #define SIZEOF_ARRAY(a) (sizeof((a))/sizeof((a)[0])) 103 104 const char * 105 der_get_class_name(unsigned num) 106 { 107 if (num >= SIZEOF_ARRAY(class_names)) 108 return NULL; 109 return class_names[num]; 110 } 111 112 int 113 der_get_class_num(const char *name) 114 { 115 return get_type(name, class_names, SIZEOF_ARRAY(class_names)); 116 } 117 118 const char * 119 der_get_type_name(unsigned num) 120 { 121 if (num >= SIZEOF_ARRAY(type_names)) 122 return NULL; 123 return type_names[num]; 124 } 125 126 int 127 der_get_type_num(const char *name) 128 { 129 return get_type(name, type_names, SIZEOF_ARRAY(type_names)); 130 } 131 132 const char * 133 der_get_tag_name(unsigned num) 134 { 135 if (num >= SIZEOF_ARRAY(tag_names)) 136 return NULL; 137 return tag_names[num]; 138 } 139 140 int 141 der_get_tag_num(const char *name) 142 { 143 return get_type(name, tag_names, SIZEOF_ARRAY(tag_names)); 144 } 145