1/* v3_info.c */ 2/* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 1999. 5 */ 6/* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 60#include <stdio.h> 61#include <string.h> 62 63#include <openssl/asn1.h> 64#include <openssl/asn1t.h> 65#include <openssl/buf.h> 66#include <openssl/conf.h> 67#include <openssl/err.h> 68#include <openssl/mem.h> 69#include <openssl/obj.h> 70#include <openssl/x509v3.h> 71 72static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 73 *method, AUTHORITY_INFO_ACCESS 74 *ainfo, STACK_OF(CONF_VALUE) 75 *ret); 76static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 77 *method, 78 X509V3_CTX *ctx, 79 STACK_OF(CONF_VALUE) 80 *nval); 81 82const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE, 83 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS), 84 0, 0, 0, 0, 85 0, 0, 86 (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS, 87 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS, 88 0, 0, 89 NULL 90}; 91 92const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE, 93 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS), 94 0, 0, 0, 0, 95 0, 0, 96 (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS, 97 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS, 98 0, 0, 99 NULL 100}; 101 102ASN1_SEQUENCE(ACCESS_DESCRIPTION) = { 103 ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT), 104 ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME) 105} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION) 106 107IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION) 108 109ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) = 110 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION) 111ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS) 112 113IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS) 114 115static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 116 *method, AUTHORITY_INFO_ACCESS 117 *ainfo, STACK_OF(CONF_VALUE) 118 *ret) 119{ 120 ACCESS_DESCRIPTION *desc; 121 size_t i; 122 int nlen; 123 char objtmp[80], *ntmp; 124 CONF_VALUE *vtmp; 125 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) { 126 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i); 127 ret = i2v_GENERAL_NAME(method, desc->location, ret); 128 if (!ret) 129 break; 130 vtmp = sk_CONF_VALUE_value(ret, i); 131 i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method); 132 nlen = strlen(objtmp) + strlen(vtmp->name) + 5; 133 ntmp = OPENSSL_malloc(nlen); 134 if (!ntmp) { 135 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 136 return NULL; 137 } 138 BUF_strlcpy(ntmp, objtmp, nlen); 139 BUF_strlcat(ntmp, " - ", nlen); 140 BUF_strlcat(ntmp, vtmp->name, nlen); 141 OPENSSL_free(vtmp->name); 142 vtmp->name = ntmp; 143 144 } 145 if (!ret) 146 return sk_CONF_VALUE_new_null(); 147 return ret; 148} 149 150static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 151 *method, 152 X509V3_CTX *ctx, 153 STACK_OF(CONF_VALUE) 154 *nval) 155{ 156 AUTHORITY_INFO_ACCESS *ainfo = NULL; 157 CONF_VALUE *cnf, ctmp; 158 ACCESS_DESCRIPTION *acc; 159 size_t i; 160 int objlen; 161 char *objtmp, *ptmp; 162 if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) { 163 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 164 return NULL; 165 } 166 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { 167 cnf = sk_CONF_VALUE_value(nval, i); 168 if (!(acc = ACCESS_DESCRIPTION_new()) 169 || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) { 170 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 171 goto err; 172 } 173 ptmp = strchr(cnf->name, ';'); 174 if (!ptmp) { 175 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX); 176 goto err; 177 } 178 objlen = ptmp - cnf->name; 179 ctmp.name = ptmp + 1; 180 ctmp.value = cnf->value; 181 if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0)) 182 goto err; 183 if (!(objtmp = OPENSSL_malloc(objlen + 1))) { 184 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 185 goto err; 186 } 187 strncpy(objtmp, cnf->name, objlen); 188 objtmp[objlen] = 0; 189 acc->method = OBJ_txt2obj(objtmp, 0); 190 if (!acc->method) { 191 OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT); 192 ERR_add_error_data(2, "value=", objtmp); 193 OPENSSL_free(objtmp); 194 goto err; 195 } 196 OPENSSL_free(objtmp); 197 198 } 199 return ainfo; 200 err: 201 sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free); 202 return NULL; 203} 204 205int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a) 206{ 207 i2a_ASN1_OBJECT(bp, a->method); 208#ifdef UNDEF 209 i2a_GENERAL_NAME(bp, a->location); 210#endif 211 return 2; 212} 213