1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <openssl/asn1.h> 58 59 #include <openssl/asn1t.h> 60 #include <openssl/err.h> 61 #include <openssl/mem.h> 62 #include <openssl/obj.h> 63 64 65 int ASN1_TYPE_get(ASN1_TYPE *a) 66 { 67 if ((a->value.ptr != NULL) || (a->type == V_ASN1_NULL)) 68 return(a->type); 69 else 70 return(0); 71 } 72 73 void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value) 74 { 75 if (a->value.ptr != NULL) 76 { 77 ASN1_TYPE **tmp_a = &a; 78 ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL); 79 } 80 a->type=type; 81 if (type == V_ASN1_BOOLEAN) 82 a->value.boolean = value ? 0xff : 0; 83 else 84 a->value.ptr=value; 85 } 86 87 int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value) 88 { 89 if (!value || (type == V_ASN1_BOOLEAN)) 90 { 91 void *p = (void *)value; 92 ASN1_TYPE_set(a, type, p); 93 } 94 else if (type == V_ASN1_OBJECT) 95 { 96 ASN1_OBJECT *odup; 97 odup = OBJ_dup(value); 98 if (!odup) 99 return 0; 100 ASN1_TYPE_set(a, type, odup); 101 } 102 else 103 { 104 ASN1_STRING *sdup; 105 sdup = ASN1_STRING_dup(value); 106 if (!sdup) 107 return 0; 108 ASN1_TYPE_set(a, type, sdup); 109 } 110 return 1; 111 } 112 113 /* Returns 0 if they are equal, != 0 otherwise. */ 114 int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b) 115 { 116 int result = -1; 117 118 if (!a || !b || a->type != b->type) return -1; 119 120 switch (a->type) 121 { 122 case V_ASN1_OBJECT: 123 result = OBJ_cmp(a->value.object, b->value.object); 124 break; 125 case V_ASN1_NULL: 126 result = 0; /* They do not have content. */ 127 break; 128 case V_ASN1_BOOLEAN: 129 result = a->value.boolean - b->value.boolean; 130 break; 131 case V_ASN1_INTEGER: 132 case V_ASN1_NEG_INTEGER: 133 case V_ASN1_ENUMERATED: 134 case V_ASN1_NEG_ENUMERATED: 135 case V_ASN1_BIT_STRING: 136 case V_ASN1_OCTET_STRING: 137 case V_ASN1_SEQUENCE: 138 case V_ASN1_SET: 139 case V_ASN1_NUMERICSTRING: 140 case V_ASN1_PRINTABLESTRING: 141 case V_ASN1_T61STRING: 142 case V_ASN1_VIDEOTEXSTRING: 143 case V_ASN1_IA5STRING: 144 case V_ASN1_UTCTIME: 145 case V_ASN1_GENERALIZEDTIME: 146 case V_ASN1_GRAPHICSTRING: 147 case V_ASN1_VISIBLESTRING: 148 case V_ASN1_GENERALSTRING: 149 case V_ASN1_UNIVERSALSTRING: 150 case V_ASN1_BMPSTRING: 151 case V_ASN1_UTF8STRING: 152 case V_ASN1_OTHER: 153 default: 154 result = ASN1_STRING_cmp((ASN1_STRING *) a->value.ptr, 155 (ASN1_STRING *) b->value.ptr); 156 break; 157 } 158 159 return result; 160 } 161
