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         M_ASN1_I2D_vars(a);
 104
 105         if (sk_num(a->revoked) != 0)
 106                 qsort((char *)a->revoked->data,sk_num(a->revoked),
 107                         sizeof(X509_REVOKED *),(int (*)(const void *,const void *))X509_REVOKED_seq_cmp);
 108         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
 109                 {
 110                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
 111                 }
 112         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 113         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
 114         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
 115         if (a->nextUpdate != NULL)
 116                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
 117         M_ASN1_I2D_len_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 118         M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
 119                                              i2d_X509_EXTENSION,0,
 120                                              V_ASN1_SEQUENCE,v1);
 121
 122         M_ASN1_I2D_seq_total();
 123
 124         if ((a->version != NULL) && (l != 0))
 125                 {
 126                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
 127                 }
 128         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 129         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
 130         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
 131         if (a->nextUpdate != NULL)
 132                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
 133         M_ASN1_I2D_put_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 134         M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
 135                                              i2d_X509_EXTENSION,0,
 136                                              V_ASN1_SEQUENCE,v1);
 137
 138         M_ASN1_I2D_finish();
 139         }
 140
 141 X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
 142              long length)
 143         {
 144         int i,ver=0;
 145         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
 146
 147
 148         M_ASN1_D2I_Init();
 149         M_ASN1_D2I_start_sequence();
 150         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
 151         if (ret->version != NULL)
 152                 ver=ret->version->data[0];
 153
 154         if ((ver == 0) && (ret->version != NULL))
 155                 {
 156                 ASN1_INTEGER_free(ret->version);
 157                 ret->version=NULL;
 158                 }
 159         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 160         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
 161         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
 162         /* Manually handle the OPTIONAL ASN1_TIME stuff */
 163         if(c.slen != 0
 164            && ( (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 165                     (V_ASN1_UNIVERSAL|V_ASN1_UTCTIME)
 166                 || (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 167                     (V_ASN1_UNIVERSAL|V_ASN1_GENERALIZEDTIME) ) ) {
 168                 M_ASN1_D2I_get(ret->nextUpdate,d2i_ASN1_TIME);
 169         }
 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_num(ret->revoked))
 176                         X509_REVOKED_free((X509_REVOKED *)sk_pop(ret->revoked));
 177                 }
 178         M_ASN1_D2I_get_seq_opt(ret->revoked,d2i_X509_REVOKED,X509_REVOKED_free);
 179
 180         if (ret->revoked != NULL)
 181                 {
 182                 for (i=0; i<sk_num(ret->revoked); i++)
 183                         {
 184                         ((X509_REVOKED *)sk_value(ret->revoked,i))->sequence=i;
 185                         }
 186                 }
 187
 188         if (ver >= 1)
 189                 {
 190                 if (ret->extensions != NULL)
 191                         {
 192                         while (sk_X509_EXTENSION_num(ret->extensions))
 193                                 X509_EXTENSION_free(
 194                                 sk_X509_EXTENSION_pop(ret->extensions));
 195                         }
 196
 197                 M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
 198                                                 d2i_X509_EXTENSION,
 199                                                 X509_EXTENSION_free,0,
 200                                                 V_ASN1_SEQUENCE);
 201                 }
 202
 203         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
 204         }
 205
 206 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
 207         {
 208         M_ASN1_I2D_vars(a);
 209
 210         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
 211         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 212         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
 213
 214         M_ASN1_I2D_seq_total();
 215
 216         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
 217         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 218         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
 219
 220         M_ASN1_I2D_finish();
 221         }
 222
 223 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
 224         {
 225         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
 226
 227         M_ASN1_D2I_Init();
 228         M_ASN1_D2I_start_sequence();
 229         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
 230         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 231         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 232
 233         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
 234         }
 235
 236
 237 X509_REVOKED *X509_REVOKED_new(void)
 238         {
 239         X509_REVOKED *ret=NULL;
 240         ASN1_CTX c;
 241
 242         M_ASN1_New_Malloc(ret,X509_REVOKED);
 243         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
 244         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
 245         ret->extensions=NULL;
 246         return(ret);
 247         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
 248         }
 249
 250 X509_CRL_INFO *X509_CRL_INFO_new(void)
 251         {
 252         X509_CRL_INFO *ret=NULL;
 253         ASN1_CTX c;
 254
 255         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
 256         ret->version=NULL;
 257         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 258         M_ASN1_New(ret->issuer,X509_NAME_new);
 259         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
 260         ret->nextUpdate=NULL;
 261         M_ASN1_New(ret->revoked,sk_new_null);
 262         M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
 263         ret->revoked->comp=(int (*)())X509_REVOKED_cmp;
 264         return(ret);
 265         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
 266         }
 267
 268 X509_CRL *X509_CRL_new(void)
 269         {
 270         X509_CRL *ret=NULL;
 271         ASN1_CTX c;
 272
 273         M_ASN1_New_Malloc(ret,X509_CRL);
 274         ret->references=1;
 275         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
 276         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 277         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 278         return(ret);
 279         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
 280         }
 281
 282 void X509_REVOKED_free(X509_REVOKED *a)
 283         {
 284         if (a == NULL) return;
 285         ASN1_INTEGER_free(a->serialNumber);
 286         ASN1_UTCTIME_free(a->revocationDate);
 287         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 288         Free(a);
 289         }
 290
 291 void X509_CRL_INFO_free(X509_CRL_INFO *a)
 292         {
 293         if (a == NULL) return;
 294         ASN1_INTEGER_free(a->version);
 295         X509_ALGOR_free(a->sig_alg);
 296         X509_NAME_free(a->issuer);
 297         ASN1_UTCTIME_free(a->lastUpdate);
 298         if (a->nextUpdate)
 299                 ASN1_UTCTIME_free(a->nextUpdate);
 300         sk_pop_free(a->revoked,X509_REVOKED_free);
 301         sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
 302         Free(a);
 303         }
 304
 305 void X509_CRL_free(X509_CRL *a)
 306         {
 307         int i;
 308
 309         if (a == NULL) return;
 310
 311         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
 312 #ifdef REF_PRINT
 313         REF_PRINT("X509_CRL",a);
 314 #endif
 315         if (i > 0) return;
 316 #ifdef REF_CHECK
 317         if (i < 0)
 318                 {
 319                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
 320                 abort();
 321                 }
 322 #endif
 323
 324         X509_CRL_INFO_free(a->crl);
 325         X509_ALGOR_free(a->sig_alg);
 326         ASN1_BIT_STRING_free(a->signature);
 327         Free(a);
 328         }
 329
 330 static int X509_REVOKED_cmp(X509_REVOKED **a, X509_REVOKED **b)
 331         {
 332         return(ASN1_STRING_cmp(
 333                 (ASN1_STRING *)(*a)->serialNumber,
 334                 (ASN1_STRING *)(*b)->serialNumber));
 335         }
 336
 337 static int X509_REVOKED_seq_cmp(X509_REVOKED **a, X509_REVOKED **b)
 338         {
 339         return((*a)->sequence-(*b)->sequence);
 340         }