1 /* crypto/asn1/x_crl.c */ 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 #include "cryptlib.h" 61 #include <openssl/asn1_mac.h> 62 #include <openssl/x509.h> 63 64 static int X509_REVOKED_cmp(const X509_REVOKED * const *a, 65 const X509_REVOKED * const *b); 66 static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a, 67 const X509_REVOKED * const *b); 68 int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp) 69 { 70 M_ASN1_I2D_vars(a); 71 72 M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER); 73 M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME); 74 M_ASN1_I2D_len_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions, 75 i2d_X509_EXTENSION); 76 77 M_ASN1_I2D_seq_total(); 78 79 M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER); 80 M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME); 81 M_ASN1_I2D_put_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions, 82 i2d_X509_EXTENSION); 83 84 M_ASN1_I2D_finish(); 85 } 86 87 X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp, 88 long length) 89 { 90 M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new); 91 92 M_ASN1_D2I_Init(); 93 M_ASN1_D2I_start_sequence(); 94 M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER); 95 M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME); 96 M_ASN1_D2I_get_seq_opt_type(X509_EXTENSION,ret->extensions, 97 d2i_X509_EXTENSION,X509_EXTENSION_free); 98 M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED); 99 } 100 101 int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp) 102 { 103 int v1=0; 104 long l=0; 105 int (*old_cmp)(const X509_REVOKED * const *, 106 const X509_REVOKED * const *); 107 M_ASN1_I2D_vars(a); 108 109 old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp); 110 sk_X509_REVOKED_sort(a->revoked); 111 sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp); 112 113 if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0)) 114 { 115 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER); 116 } 117 M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR); 118 M_ASN1_I2D_len(a->issuer,i2d_X509_NAME); 119 M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME); 120 if (a->nextUpdate != NULL) 121 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); } 122 M_ASN1_I2D_len_SEQUENCE_opt_type(X509_REVOKED,a->revoked, 123 i2d_X509_REVOKED); 124 M_ASN1_I2D_len_EXP_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions, 125 i2d_X509_EXTENSION,0, 126 V_ASN1_SEQUENCE,v1); 127 128 M_ASN1_I2D_seq_total(); 129 130 if ((a->version != NULL) && (l != 0)) 131 { 132 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER); 133 } 134 M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR); 135 M_ASN1_I2D_put(a->issuer,i2d_X509_NAME); 136 M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_TIME); 137 if (a->nextUpdate != NULL) 138 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_TIME); } 139 M_ASN1_I2D_put_SEQUENCE_opt_type(X509_REVOKED,a->revoked, 140 i2d_X509_REVOKED); 141 M_ASN1_I2D_put_EXP_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions, 142 i2d_X509_EXTENSION,0, 143 V_ASN1_SEQUENCE,v1); 144 145 M_ASN1_I2D_finish(); 146 } 147 148 X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp, 149 long length) 150 { 151 int i,ver=0; 152 M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new); 153 154 155 M_ASN1_D2I_Init(); 156 M_ASN1_D2I_start_sequence(); 157 M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER); 158 if (ret->version != NULL) 159 ver=ret->version->data[0]; 160 161 if ((ver == 0) && (ret->version != NULL)) 162 { 163 M_ASN1_INTEGER_free(ret->version); 164 ret->version=NULL; 165 } 166 M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR); 167 M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME); 168 M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME); 169 /* Manually handle the OPTIONAL ASN1_TIME stuff */ 170 /* First try UTCTime */ 171 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME, V_ASN1_UTCTIME); 172 /* If that doesn't work try GeneralizedTime */ 173 if(!ret->nextUpdate) 174 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME, 175 V_ASN1_GENERALIZEDTIME); 176 if (ret->revoked != NULL) 177 { 178 while (sk_X509_REVOKED_num(ret->revoked)) 179 X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked)); 180 } 181 M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED, 182 X509_REVOKED_free); 183 184 if (ret->revoked != NULL) 185 { 186 for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++) 187 { 188 sk_X509_REVOKED_value(ret->revoked,i)->sequence=i; 189 } 190 } 191 192 if (ret->extensions != NULL) 193 { 194 while (sk_X509_EXTENSION_num(ret->extensions)) 195 X509_EXTENSION_free( 196 sk_X509_EXTENSION_pop(ret->extensions)); 197 } 198 199 M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions, 200 d2i_X509_EXTENSION, 201 X509_EXTENSION_free,0, 202 V_ASN1_SEQUENCE); 203 204 M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO); 205 } 206 207 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp) 208 { 209 M_ASN1_I2D_vars(a); 210 211 M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO); 212 M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR); 213 M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING); 214 215 M_ASN1_I2D_seq_total(); 216 217 M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO); 218 M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR); 219 M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING); 220 221 M_ASN1_I2D_finish(); 222 } 223 224 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length) 225 { 226 M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new); 227 228 M_ASN1_D2I_Init(); 229 M_ASN1_D2I_start_sequence(); 230 M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO); 231 M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR); 232 M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING); 233 234 M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL); 235 } 236 237 238 X509_REVOKED *X509_REVOKED_new(void) 239 { 240 X509_REVOKED *ret=NULL; 241 ASN1_CTX c; 242 243 M_ASN1_New_Malloc(ret,X509_REVOKED); 244 M_ASN1_New(ret->serialNumber,M_ASN1_INTEGER_new); 245 M_ASN1_New(ret->revocationDate,M_ASN1_UTCTIME_new); 246 ret->extensions=NULL; 247 return(ret); 248 M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW); 249 } 250 251 X509_CRL_INFO *X509_CRL_INFO_new(void) 252 { 253 X509_CRL_INFO *ret=NULL; 254 ASN1_CTX c; 255 256 M_ASN1_New_Malloc(ret,X509_CRL_INFO); 257 ret->version=NULL; 258 M_ASN1_New(ret->sig_alg,X509_ALGOR_new); 259 M_ASN1_New(ret->issuer,X509_NAME_new); 260 M_ASN1_New(ret->lastUpdate,M_ASN1_UTCTIME_new); 261 ret->nextUpdate=NULL; 262 M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null); 263 ret->extensions = NULL; 264 sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp); 265 return(ret); 266 M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW); 267 } 268 269 X509_CRL *X509_CRL_new(void) 270 { 271 X509_CRL *ret=NULL; 272 ASN1_CTX c; 273 274 M_ASN1_New_Malloc(ret,X509_CRL); 275 ret->references=1; 276 M_ASN1_New(ret->crl,X509_CRL_INFO_new); 277 M_ASN1_New(ret->sig_alg,X509_ALGOR_new); 278 M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new); 279 return(ret); 280 M_ASN1_New_Error(ASN1_F_X509_CRL_NEW); 281 } 282 283 void X509_REVOKED_free(X509_REVOKED *a) 284 { 285 if (a == NULL) return; 286 M_ASN1_INTEGER_free(a->serialNumber); 287 M_ASN1_UTCTIME_free(a->revocationDate); 288 sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free); 289 OPENSSL_free(a); 290 } 291 292 void X509_CRL_INFO_free(X509_CRL_INFO *a) 293 { 294 if (a == NULL) return; 295 M_ASN1_INTEGER_free(a->version); 296 X509_ALGOR_free(a->sig_alg); 297 X509_NAME_free(a->issuer); 298 M_ASN1_UTCTIME_free(a->lastUpdate); 299 if (a->nextUpdate) 300 M_ASN1_UTCTIME_free(a->nextUpdate); 301 sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free); 302 sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free); 303 OPENSSL_free(a); 304 } 305 306 void X509_CRL_free(X509_CRL *a) 307 { 308 int i; 309 310 if (a == NULL) return; 311 312 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL); 313 #ifdef REF_PRINT 314 REF_PRINT("X509_CRL",a); 315 #endif 316 if (i > 0) return; 317 #ifdef REF_CHECK 318 if (i < 0) 319 { 320 fprintf(stderr,"X509_CRL_free, bad reference count\n"); 321 abort(); 322 } 323 #endif 324 325 X509_CRL_INFO_free(a->crl); 326 X509_ALGOR_free(a->sig_alg); 327 M_ASN1_BIT_STRING_free(a->signature); 328 OPENSSL_free(a); 329 } 330 331 static int X509_REVOKED_cmp(const X509_REVOKED * const *a, 332 const X509_REVOKED * const *b) 333 { 334 return(ASN1_STRING_cmp( 335 (ASN1_STRING *)(*a)->serialNumber, 336 (ASN1_STRING *)(*b)->serialNumber)); 337 } 338 339 static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a, 340 const X509_REVOKED * const *b) 341 { 342 return((*a)->sequence-(*b)->sequence); 343 } 344 345 IMPLEMENT_STACK_OF(X509_REVOKED) 346 IMPLEMENT_ASN1_SET_OF(X509_REVOKED) 347 IMPLEMENT_STACK_OF(X509_CRL) 348 IMPLEMENT_ASN1_SET_OF(X509_CRL) 349