1 /* $OpenBSD: a_type.c,v 1.18 2016/05/04 14:53:29 tedu Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 61 #include <openssl/asn1t.h> 62 #include <openssl/objects.h> 63 64 int 65 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 74 ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value) 75 { 76 if (a->value.ptr != NULL) { 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 88 ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value) 89 { 90 if (!value || (type == V_ASN1_BOOLEAN)) { 91 void *p = (void *)value; 92 ASN1_TYPE_set(a, type, p); 93 } else if (type == V_ASN1_OBJECT) { 94 ASN1_OBJECT *odup; 95 odup = OBJ_dup(value); 96 if (!odup) 97 return 0; 98 ASN1_TYPE_set(a, type, odup); 99 } else { 100 ASN1_STRING *sdup; 101 sdup = ASN1_STRING_dup(value); 102 if (!sdup) 103 return 0; 104 ASN1_TYPE_set(a, type, sdup); 105 } 106 return 1; 107 } 108 109 /* Returns 0 if they are equal, != 0 otherwise. */ 110 int 111 ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b) 112 { 113 int result = -1; 114 115 if (!a || !b || a->type != b->type) 116 return -1; 117 118 switch (a->type) { 119 case V_ASN1_OBJECT: 120 result = OBJ_cmp(a->value.object, b->value.object); 121 break; 122 case V_ASN1_BOOLEAN: 123 result = a->value.boolean - b->value.boolean; 124 break; 125 case V_ASN1_NULL: 126 result = 0; /* They do not have content. */ 127 break; 128 129 case V_ASN1_INTEGER: 130 case V_ASN1_ENUMERATED: 131 case V_ASN1_BIT_STRING: 132 case V_ASN1_OCTET_STRING: 133 case V_ASN1_SEQUENCE: 134 case V_ASN1_SET: 135 case V_ASN1_NUMERICSTRING: 136 case V_ASN1_PRINTABLESTRING: 137 case V_ASN1_T61STRING: 138 case V_ASN1_VIDEOTEXSTRING: 139 case V_ASN1_IA5STRING: 140 case V_ASN1_UTCTIME: 141 case V_ASN1_GENERALIZEDTIME: 142 case V_ASN1_GRAPHICSTRING: 143 case V_ASN1_VISIBLESTRING: 144 case V_ASN1_GENERALSTRING: 145 case V_ASN1_UNIVERSALSTRING: 146 case V_ASN1_BMPSTRING: 147 case V_ASN1_UTF8STRING: 148 case V_ASN1_OTHER: 149 default: 150 result = ASN1_STRING_cmp((ASN1_STRING *)a->value.ptr, 151 (ASN1_STRING *)b->value.ptr); 152 break; 153 } 154 155 return result; 156 } 157