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_UTCTIME);
 134         if (a->nextUpdate != NULL)
 135                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
 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                 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         if(c.slen != 0
 168            && ( (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 169                     (V_ASN1_UNIVERSAL|V_ASN1_UTCTIME)
 170                 || (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 171                     (V_ASN1_UNIVERSAL|V_ASN1_GENERALIZEDTIME) ) ) {
 172                 M_ASN1_D2I_get(ret->nextUpdate,d2i_ASN1_TIME);
 173         }
 174         if(!ret->nextUpdate)
 175                 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
 176                                                         V_ASN1_GENERALIZEDTIME);
 177         if (ret->revoked != NULL)
 178                 {
 179                 while (sk_X509_REVOKED_num(ret->revoked))
 180                         X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked));
 181                 }
 182         M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED,
 183                                     X509_REVOKED_free);
 184
 185         if (ret->revoked != NULL)
 186                 {
 187                 for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++)
 188                         {
 189                         sk_X509_REVOKED_value(ret->revoked,i)->sequence=i;
 190                         }
 191                 }
 192
 193         if (ver >= 1)
 194                 {
 195                 if (ret->extensions != NULL)
 196                         {
 197                         while (sk_X509_EXTENSION_num(ret->extensions))
 198                                 X509_EXTENSION_free(
 199                                 sk_X509_EXTENSION_pop(ret->extensions));
 200                         }
 201
 202                 M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
 203                                                 d2i_X509_EXTENSION,
 204                                                 X509_EXTENSION_free,0,
 205                                                 V_ASN1_SEQUENCE);
 206                 }
 207
 208         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
 209         }
 210
 211 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
 212         {
 213         M_ASN1_I2D_vars(a);
 214
 215         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
 216         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 217         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
 218
 219         M_ASN1_I2D_seq_total();
 220
 221         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
 222         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 223         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
 224
 225         M_ASN1_I2D_finish();
 226         }
 227
 228 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
 229         {
 230         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
 231
 232         M_ASN1_D2I_Init();
 233         M_ASN1_D2I_start_sequence();
 234         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
 235         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 236         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 237
 238         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
 239         }
 240
 241
 242 X509_REVOKED *X509_REVOKED_new(void)
 243         {
 244         X509_REVOKED *ret=NULL;
 245         ASN1_CTX c;
 246
 247         M_ASN1_New_Malloc(ret,X509_REVOKED);
 248         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
 249         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
 250         ret->extensions=NULL;
 251         return(ret);
 252         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
 253         }
 254
 255 X509_CRL_INFO *X509_CRL_INFO_new(void)
 256         {
 257         X509_CRL_INFO *ret=NULL;
 258         ASN1_CTX c;
 259
 260         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
 261         ret->version=NULL;
 262         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 263         M_ASN1_New(ret->issuer,X509_NAME_new);
 264         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
 265         ret->nextUpdate=NULL;
 266         M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null);
 267         M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
 268         sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp);
 269         return(ret);
 270         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
 271         }
 272
 273 X509_CRL *X509_CRL_new(void)
 274         {
 275         X509_CRL *ret=NULL;
 276         ASN1_CTX c;
 277
 278         M_ASN1_New_Malloc(ret,X509_CRL);
 279         ret->references=1;
 280         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
 281         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 282         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 283         return(ret);
 284         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
 285         }
 286
 287 void X509_REVOKED_free(X509_REVOKED *a)
 288         {
 289         if (a == NULL) return;
 290         ASN1_INTEGER_free(a->serialNumber);
 291         ASN1_UTCTIME_free(a->revocationDate);
 292         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 293         Free(a);
 294         }
 295
 296 void X509_CRL_INFO_free(X509_CRL_INFO *a)
 297         {
 298         if (a == NULL) return;
 299         ASN1_INTEGER_free(a->version);
 300         X509_ALGOR_free(a->sig_alg);
 301         X509_NAME_free(a->issuer);
 302         ASN1_UTCTIME_free(a->lastUpdate);
 303         if (a->nextUpdate)
 304                 ASN1_UTCTIME_free(a->nextUpdate);
 305         sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free);
 306         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 307         Free(a);
 308         }
 309
 310 void X509_CRL_free(X509_CRL *a)
 311         {
 312         int i;
 313
 314         if (a == NULL) return;
 315
 316         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
 317 #ifdef REF_PRINT
 318         REF_PRINT("X509_CRL",a);
 319 #endif
 320         if (i > 0) return;
 321 #ifdef REF_CHECK
 322         if (i < 0)
 323                 {
 324                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
 325                 abort();
 326                 }
 327 #endif
 328
 329         X509_CRL_INFO_free(a->crl);
 330         X509_ALGOR_free(a->sig_alg);
 331         ASN1_BIT_STRING_free(a->signature);
 332         Free(a);
 333         }
 334
 335 static int X509_REVOKED_cmp(X509_REVOKED **a, X509_REVOKED **b)
 336         {
 337         return(ASN1_STRING_cmp(
 338                 (ASN1_STRING *)(*a)->serialNumber,
 339                 (ASN1_STRING *)(*b)->serialNumber));
 340         }
 341
 342 static int X509_REVOKED_seq_cmp(X509_REVOKED **a, X509_REVOKED **b)
 343         {
 344         return((*a)->sequence-(*b)->sequence);
 345         }
 346
 347 IMPLEMENT_STACK_OF(X509_REVOKED)
 348 IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
 349 IMPLEMENT_STACK_OF(X509_CRL)
 350 IMPLEMENT_ASN1_SET_OF(X509_CRL)