1 /* 2 * Copyright (c) 1997 - 2005 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "der_locl.h" 35 #include <com_err.h> 36 #include <sys/types.h> 37 #include <sys/stat.h> 38 #include <getarg.h> 39 #include <err.h> 40 41 RCSID("$Id: der.c 22429 2008-01-13 10:25:50Z lha $"); 42 43 44 static const char *class_names[] = { 45 "UNIV", /* 0 */ 46 "APPL", /* 1 */ 47 "CONTEXT", /* 2 */ 48 "PRIVATE" /* 3 */ 49 }; 50 51 static const char *type_names[] = { 52 "PRIM", /* 0 */ 53 "CONS" /* 1 */ 54 }; 55 56 static const char *tag_names[] = { 57 "EndOfContent", /* 0 */ 58 "Boolean", /* 1 */ 59 "Integer", /* 2 */ 60 "BitString", /* 3 */ 61 "OctetString", /* 4 */ 62 "Null", /* 5 */ 63 "ObjectID", /* 6 */ 64 NULL, /* 7 */ 65 NULL, /* 8 */ 66 NULL, /* 9 */ 67 "Enumerated", /* 10 */ 68 NULL, /* 11 */ 69 NULL, /* 12 */ 70 NULL, /* 13 */ 71 NULL, /* 14 */ 72 NULL, /* 15 */ 73 "Sequence", /* 16 */ 74 "Set", /* 17 */ 75 NULL, /* 18 */ 76 "PrintableString", /* 19 */ 77 NULL, /* 20 */ 78 NULL, /* 21 */ 79 "IA5String", /* 22 */ 80 "UTCTime", /* 23 */ 81 "GeneralizedTime", /* 24 */ 82 NULL, /* 25 */ 83 "VisibleString", /* 26 */ 84 "GeneralString", /* 27 */ 85 NULL, /* 28 */ 86 NULL, /* 29 */ 87 "BMPString" /* 30 */ 88 }; 89 90 static int 91 get_type(const char *name, const char *list[], unsigned len) 92 { 93 unsigned i; 94 for (i = 0; i < len; i++) 95 if (list[i] && strcasecmp(list[i], name) == 0) 96 return i; 97 return -1; 98 } 99 100 #define SIZEOF_ARRAY(a) (sizeof((a))/sizeof((a)[0])) 101 102 const char * 103 der_get_class_name(unsigned num) 104 { 105 if (num >= SIZEOF_ARRAY(class_names)) 106 return NULL; 107 return class_names[num]; 108 } 109 110 int 111 der_get_class_num(const char *name) 112 { 113 return get_type(name, class_names, SIZEOF_ARRAY(class_names)); 114 } 115 116 const char * 117 der_get_type_name(unsigned num) 118 { 119 if (num >= SIZEOF_ARRAY(type_names)) 120 return NULL; 121 return type_names[num]; 122 } 123 124 int 125 der_get_type_num(const char *name) 126 { 127 return get_type(name, type_names, SIZEOF_ARRAY(type_names)); 128 } 129 130 const char * 131 der_get_tag_name(unsigned num) 132 { 133 if (num >= SIZEOF_ARRAY(tag_names)) 134 return NULL; 135 return tag_names[num]; 136 } 137 138 int 139 der_get_tag_num(const char *name) 140 { 141 return get_type(name, tag_names, SIZEOF_ARRAY(tag_names)); 142 } 143