1 /* v3_info.c */ 2 /* 3 * Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh (at) 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 72 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 73 *method, AUTHORITY_INFO_ACCESS 74 *ainfo, STACK_OF(CONF_VALUE) 75 *ret); 76 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 77 *method, 78 X509V3_CTX *ctx, 79 STACK_OF(CONF_VALUE) 80 *nval); 81 82 const 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 92 const 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 }; 101 102 ASN1_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) 106 107 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION) 108 109 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) = 110 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION) 111 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS) 112 113 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS) 114 115 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS( 116 X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo, 117 STACK_OF(CONF_VALUE) *ret) 118 { 119 ACCESS_DESCRIPTION *desc; 120 size_t i; 121 int nlen; 122 char objtmp[80], *ntmp; 123 CONF_VALUE *vtmp; 124 STACK_OF(CONF_VALUE) *tret = ret; 125 126 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) { 127 STACK_OF(CONF_VALUE) *tmp; 128 129 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i); 130 tmp = i2v_GENERAL_NAME(method, desc->location, tret); 131 if (tmp == NULL) 132 goto err; 133 tret = tmp; 134 vtmp = sk_CONF_VALUE_value(tret, i); 135 i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method); 136 nlen = strlen(objtmp) + strlen(vtmp->name) + 5; 137 ntmp = OPENSSL_malloc(nlen); 138 if (ntmp == NULL) 139 goto err; 140 BUF_strlcpy(ntmp, objtmp, nlen); 141 BUF_strlcat(ntmp, " - ", nlen); 142 BUF_strlcat(ntmp, vtmp->name, nlen); 143 OPENSSL_free(vtmp->name); 144 vtmp->name = ntmp; 145 146 } 147 if (ret == NULL && tret == NULL) 148 return sk_CONF_VALUE_new_null(); 149 150 return tret; 151 err: 152 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 153 if (ret == NULL && tret != NULL) 154 sk_CONF_VALUE_pop_free(tret, X509V3_conf_free); 155 return NULL; 156 } 157 158 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 159 *method, 160 X509V3_CTX *ctx, 161 STACK_OF(CONF_VALUE) 162 *nval) 163 { 164 AUTHORITY_INFO_ACCESS *ainfo = NULL; 165 CONF_VALUE *cnf, ctmp; 166 ACCESS_DESCRIPTION *acc; 167 size_t i; 168 int objlen; 169 char *objtmp, *ptmp; 170 if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) { 171 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 172 return NULL; 173 } 174 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { 175 cnf = sk_CONF_VALUE_value(nval, i); 176 if (!(acc = ACCESS_DESCRIPTION_new()) 177 || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) { 178 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 179 goto err; 180 } 181 ptmp = strchr(cnf->name, ';'); 182 if (!ptmp) { 183 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX); 184 goto err; 185 } 186 objlen = ptmp - cnf->name; 187 ctmp.name = ptmp + 1; 188 ctmp.value = cnf->value; 189 if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0)) 190 goto err; 191 if (!(objtmp = OPENSSL_malloc(objlen + 1))) { 192 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 193 goto err; 194 } 195 strncpy(objtmp, cnf->name, objlen); 196 objtmp[objlen] = 0; 197 acc->method = OBJ_txt2obj(objtmp, 0); 198 if (!acc->method) { 199 OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT); 200 ERR_add_error_data(2, "value=", objtmp); 201 OPENSSL_free(objtmp); 202 goto err; 203 } 204 OPENSSL_free(objtmp); 205 206 } 207 return ainfo; 208 err: 209 sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free); 210 return NULL; 211 } 212 213 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a) 214 { 215 i2a_ASN1_OBJECT(bp, a->method); 216 #ifdef UNDEF 217 i2a_GENERAL_NAME(bp, a->location); 218 #endif 219 return 2; 220 } 221