crypto/asn1/x_crl.c

   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(X509_REVOKED **a,X509_REVOKED **b);
  65 static int X509_REVOKED_seq_cmp(X509_REVOKED **a,X509_REVOKED **b);
  66 int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp)
  67         {
  68         M_ASN1_I2D_vars(a);
  69
  70         M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
  71         M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
  72         M_ASN1_I2D_len_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
  73                                          i2d_X509_EXTENSION);
  74
  75         M_ASN1_I2D_seq_total();
  76
  77         M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
  78         M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
  79         M_ASN1_I2D_put_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
  80                                          i2d_X509_EXTENSION);
  81
  82         M_ASN1_I2D_finish();
  83         }
  84
  85 X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp,
  86              long length)
  87         {
  88         M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
  89
  90         M_ASN1_D2I_Init();
  91         M_ASN1_D2I_start_sequence();
  92         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
  93         M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
  94         M_ASN1_D2I_get_seq_opt_type(X509_EXTENSION,ret->extensions,
  95                                     d2i_X509_EXTENSION,X509_EXTENSION_free);
  96         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
  97         }
  98
  99 int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp)
 100         {
 101         int v1=0;
 102         long l=0;
 103         int (*old_cmp)(X509_REVOKED **,X509_REVOKED **);
 104         M_ASN1_I2D_vars(a);
 105
 106         old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp);
 107         sk_X509_REVOKED_sort(a->revoked);
 108         sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp);
 109
 110         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
 111                 {
 112                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
 113                 }
 114         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 115         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
 116         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
 117         if (a->nextUpdate != NULL)
 118                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
 119         M_ASN1_I2D_len_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
 120                                          i2d_X509_REVOKED);
 121         M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
 122                                              i2d_X509_EXTENSION,0,
 123                                              V_ASN1_SEQUENCE,v1);
 124
 125         M_ASN1_I2D_seq_total();
 126
 127         if ((a->version != NULL) && (l != 0))
 128                 {
 129                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
 130                 }
 131         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 132         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
 133         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_TIME);
 134         if (a->nextUpdate != NULL)
 135                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_TIME); }
 136         M_ASN1_I2D_put_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
 137                                          i2d_X509_REVOKED);
 138         M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
 139                                              i2d_X509_EXTENSION,0,
 140                                              V_ASN1_SEQUENCE,v1);
 141
 142         M_ASN1_I2D_finish();
 143         }
 144
 145 X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
 146              long length)
 147         {
 148         int i,ver=0;
 149         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
 150
 151
 152         M_ASN1_D2I_Init();
 153         M_ASN1_D2I_start_sequence();
 154         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
 155         if (ret->version != NULL)
 156                 ver=ret->version->data[0];
 157
 158         if ((ver == 0) && (ret->version != NULL))
 159                 {
 160                 M_ASN1_INTEGER_free(ret->version);
 161                 ret->version=NULL;
 162                 }
 163         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 164         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
 165         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
 166         /* Manually handle the OPTIONAL ASN1_TIME stuff */
 167         /* First try UTCTime */
 168         M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME, V_ASN1_UTCTIME);
 169         /* If that doesn't work try GeneralizedTime */
 170         if(!ret->nextUpdate)
 171                 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
 172                                                         V_ASN1_GENERALIZEDTIME);
 173         if (ret->revoked != NULL)
 174                 {
 175                 while (sk_X509_REVOKED_num(ret->revoked))
 176                         X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked));
 177                 }
 178         M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED,
 179                                     X509_REVOKED_free);
 180
 181         if (ret->revoked != NULL)
 182                 {
 183                 for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++)
 184                         {
 185                         sk_X509_REVOKED_value(ret->revoked,i)->sequence=i;
 186                         }
 187                 }
 188
 189         if (ret->extensions != NULL)
 190                 {
 191                 while (sk_X509_EXTENSION_num(ret->extensions))
 192                         X509_EXTENSION_free(
 193                         sk_X509_EXTENSION_pop(ret->extensions));
 194                 }
 195
 196         M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
 197                                         d2i_X509_EXTENSION,
 198                                         X509_EXTENSION_free,0,
 199                                         V_ASN1_SEQUENCE);
 200
 201         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
 202         }
 203
 204 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
 205         {
 206         M_ASN1_I2D_vars(a);
 207
 208         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
 209         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 210         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
 211
 212         M_ASN1_I2D_seq_total();
 213
 214         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
 215         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 216         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
 217
 218         M_ASN1_I2D_finish();
 219         }
 220
 221 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
 222         {
 223         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
 224
 225         M_ASN1_D2I_Init();
 226         M_ASN1_D2I_start_sequence();
 227         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
 228         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 229         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 230
 231         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
 232         }
 233
 234
 235 X509_REVOKED *X509_REVOKED_new(void)
 236         {
 237         X509_REVOKED *ret=NULL;
 238         ASN1_CTX c;
 239
 240         M_ASN1_New_Malloc(ret,X509_REVOKED);
 241         M_ASN1_New(ret->serialNumber,M_ASN1_INTEGER_new);
 242         M_ASN1_New(ret->revocationDate,M_ASN1_UTCTIME_new);
 243         ret->extensions=NULL;
 244         return(ret);
 245         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
 246         }
 247
 248 X509_CRL_INFO *X509_CRL_INFO_new(void)
 249         {
 250         X509_CRL_INFO *ret=NULL;
 251         ASN1_CTX c;
 252
 253         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
 254         ret->version=NULL;
 255         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 256         M_ASN1_New(ret->issuer,X509_NAME_new);
 257         M_ASN1_New(ret->lastUpdate,M_ASN1_UTCTIME_new);
 258         ret->nextUpdate=NULL;
 259         M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null);
 260         M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
 261         sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp);
 262         return(ret);
 263         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
 264         }
 265
 266 X509_CRL *X509_CRL_new(void)
 267         {
 268         X509_CRL *ret=NULL;
 269         ASN1_CTX c;
 270
 271         M_ASN1_New_Malloc(ret,X509_CRL);
 272         ret->references=1;
 273         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
 274         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 275         M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new);
 276         return(ret);
 277         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
 278         }
 279
 280 void X509_REVOKED_free(X509_REVOKED *a)
 281         {
 282         if (a == NULL) return;
 283         M_ASN1_INTEGER_free(a->serialNumber);
 284         M_ASN1_UTCTIME_free(a->revocationDate);
 285         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 286         Free(a);
 287         }
 288
 289 void X509_CRL_INFO_free(X509_CRL_INFO *a)
 290         {
 291         if (a == NULL) return;
 292         M_ASN1_INTEGER_free(a->version);
 293         X509_ALGOR_free(a->sig_alg);
 294         X509_NAME_free(a->issuer);
 295         M_ASN1_UTCTIME_free(a->lastUpdate);
 296         if (a->nextUpdate)
 297                 M_ASN1_UTCTIME_free(a->nextUpdate);
 298         sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free);
 299         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 300         Free(a);
 301         }
 302
 303 void X509_CRL_free(X509_CRL *a)
 304         {
 305         int i;
 306
 307         if (a == NULL) return;
 308
 309         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
 310 #ifdef REF_PRINT
 311         REF_PRINT("X509_CRL",a);
 312 #endif
 313         if (i > 0) return;
 314 #ifdef REF_CHECK
 315         if (i < 0)
 316                 {
 317                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
 318                 abort();
 319                 }
 320 #endif
 321
 322         X509_CRL_INFO_free(a->crl);
 323         X509_ALGOR_free(a->sig_alg);
 324         M_ASN1_BIT_STRING_free(a->signature);
 325         Free(a);
 326         }
 327
 328 static int X509_REVOKED_cmp(X509_REVOKED **a, X509_REVOKED **b)
 329         {
 330         return(ASN1_STRING_cmp(
 331                 (ASN1_STRING *)(*a)->serialNumber,
 332                 (ASN1_STRING *)(*b)->serialNumber));
 333         }
 334
 335 static int X509_REVOKED_seq_cmp(X509_REVOKED **a, X509_REVOKED **b)
 336         {
 337         return((*a)->sequence-(*b)->sequence);
 338         }
 339
 340 IMPLEMENT_STACK_OF(X509_REVOKED)
 341 IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
 342 IMPLEMENT_STACK_OF(X509_CRL)
 343 IMPLEMENT_ASN1_SET_OF(X509_CRL)