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 /*
  65  * ASN1err(ASN1_F_D2I_X509_CRL,ERR_R_ASN1_LENGTH_MISMATCH);
  66  * ASN1err(ASN1_F_D2I_X509_CRL_INFO,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
  67  * ASN1err(ASN1_F_D2I_X509_REVOKED,ERR_R_ASN1_LENGTH_MISMATCH);
  68  * ASN1err(ASN1_F_X509_CRL_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
  69  * ASN1err(ASN1_F_X509_CRL_INFO_NEW,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
  70  * ASN1err(ASN1_F_X509_REVOKED_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
  71  */
  72
  73 #ifndef NOPROTO
  74 static int X509_REVOKED_cmp(X509_REVOKED **a,X509_REVOKED **b);
  75 static int X509_REVOKED_seq_cmp(X509_REVOKED **a,X509_REVOKED **b);
  76 #else
  77 static int X509_REVOKED_cmp();
  78 static int X509_REVOKED_seq_cmp();
  79 #endif
  80
  81 int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp)
  82         {
  83         M_ASN1_I2D_vars(a);
  84
  85         M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
  86         M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
  87         M_ASN1_I2D_len_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION);
  88
  89         M_ASN1_I2D_seq_total();
  90
  91         M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
  92         M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
  93         M_ASN1_I2D_put_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION);
  94
  95         M_ASN1_I2D_finish();
  96         }
  97
  98 X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp,
  99              long length)
 100         {
 101         M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
 102
 103         M_ASN1_D2I_Init();
 104         M_ASN1_D2I_start_sequence();
 105         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
 106         M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
 107         M_ASN1_D2I_get_seq_opt(ret->extensions,d2i_X509_EXTENSION,
 108                 X509_EXTENSION_free);
 109         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
 110         }
 111
 112 int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp)
 113         {
 114         int v1=0;
 115         long l=0;
 116         M_ASN1_I2D_vars(a);
 117
 118         if (sk_num(a->revoked) != 0)
 119                 qsort((char *)a->revoked->data,sk_num(a->revoked),
 120                         sizeof(X509_REVOKED *),(int (*)(P_CC_CC))X509_REVOKED_seq_cmp);
 121         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
 122                 {
 123                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
 124                 }
 125         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 126         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
 127         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
 128         if (a->nextUpdate != NULL)
 129                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
 130         M_ASN1_I2D_len_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 131         M_ASN1_I2D_len_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,0,
 132                 V_ASN1_SEQUENCE,v1);
 133
 134         M_ASN1_I2D_seq_total();
 135
 136         if ((a->version != NULL) && (l != 0))
 137                 {
 138                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
 139                 }
 140         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 141         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
 142         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
 143         if (a->nextUpdate != NULL)
 144                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
 145         M_ASN1_I2D_put_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 146         M_ASN1_I2D_put_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,0,
 147                 V_ASN1_SEQUENCE,v1);
 148
 149         M_ASN1_I2D_finish();
 150         }
 151
 152 X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
 153              long length)
 154         {
 155         int i,ver=0;
 156         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
 157
 158
 159         M_ASN1_D2I_Init();
 160         M_ASN1_D2I_start_sequence();
 161         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
 162         if (ret->version != NULL)
 163                 ver=ret->version->data[0];
 164
 165         if ((ver == 0) && (ret->version != NULL))
 166                 {
 167                 ASN1_INTEGER_free(ret->version);
 168                 ret->version=NULL;
 169                 }
 170         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 171         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
 172         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
 173         /* Manually handle the OPTIONAL ASN1_TIME stuff */
 174         if(c.slen != 0
 175            && ( (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 176                     (V_ASN1_UNIVERSAL|V_ASN1_UTCTIME)
 177                 || (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 178                     (V_ASN1_UNIVERSAL|V_ASN1_GENERALIZEDTIME) ) ) {
 179                 M_ASN1_D2I_get(ret->nextUpdate,d2i_ASN1_TIME);
 180         }
 181         if(!ret->nextUpdate)
 182                 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
 183                                                         V_ASN1_GENERALIZEDTIME);
 184         if (ret->revoked != NULL)
 185                 {
 186                 while (sk_num(ret->revoked))
 187                         X509_REVOKED_free((X509_REVOKED *)sk_pop(ret->revoked));
 188                 }
 189         M_ASN1_D2I_get_seq_opt(ret->revoked,d2i_X509_REVOKED,X509_REVOKED_free);
 190
 191         if (ret->revoked != NULL)
 192                 {
 193                 for (i=0; i<sk_num(ret->revoked); i++)
 194                         {
 195                         ((X509_REVOKED *)sk_value(ret->revoked,i))->sequence=i;
 196                         }
 197                 }
 198
 199         if (ver >= 1)
 200                 {
 201                 if (ret->extensions != NULL)
 202                         {
 203                         while (sk_num(ret->extensions))
 204                                 X509_EXTENSION_free((X509_EXTENSION *)
 205                                 sk_pop(ret->extensions));
 206                         }
 207
 208                 M_ASN1_D2I_get_EXP_set_opt(ret->extensions,d2i_X509_EXTENSION,
 209                         X509_EXTENSION_free,0,V_ASN1_SEQUENCE);
 210                 }
 211
 212         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
 213         }
 214
 215 int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
 216         {
 217         M_ASN1_I2D_vars(a);
 218
 219         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
 220         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 221         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
 222
 223         M_ASN1_I2D_seq_total();
 224
 225         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
 226         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 227         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
 228
 229         M_ASN1_I2D_finish();
 230         }
 231
 232 X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
 233         {
 234         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
 235
 236         M_ASN1_D2I_Init();
 237         M_ASN1_D2I_start_sequence();
 238         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
 239         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 240         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 241
 242         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
 243         }
 244
 245
 246 X509_REVOKED *X509_REVOKED_new(void)
 247         {
 248         X509_REVOKED *ret=NULL;
 249         ASN1_CTX c;
 250
 251         M_ASN1_New_Malloc(ret,X509_REVOKED);
 252         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
 253         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
 254         ret->extensions=NULL;
 255         return(ret);
 256         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
 257         }
 258
 259 X509_CRL_INFO *X509_CRL_INFO_new(void)
 260         {
 261         X509_CRL_INFO *ret=NULL;
 262         ASN1_CTX c;
 263
 264         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
 265         ret->version=NULL;
 266         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 267         M_ASN1_New(ret->issuer,X509_NAME_new);
 268         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
 269         ret->nextUpdate=NULL;
 270         M_ASN1_New(ret->revoked,sk_new_null);
 271         M_ASN1_New(ret->extensions,sk_new_null);
 272         ret->revoked->comp=(int (*)())X509_REVOKED_cmp;
 273         return(ret);
 274         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
 275         }
 276
 277 X509_CRL *X509_CRL_new(void)
 278         {
 279         X509_CRL *ret=NULL;
 280         ASN1_CTX c;
 281
 282         M_ASN1_New_Malloc(ret,X509_CRL);
 283         ret->references=1;
 284         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
 285         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 286         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 287         return(ret);
 288         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
 289         }
 290
 291 void X509_REVOKED_free(X509_REVOKED *a)
 292         {
 293         if (a == NULL) return;
 294         ASN1_INTEGER_free(a->serialNumber);
 295         ASN1_UTCTIME_free(a->revocationDate);
 296         sk_pop_free(a->extensions,X509_EXTENSION_free);
 297         Free((char *)a);
 298         }
 299
 300 void X509_CRL_INFO_free(X509_CRL_INFO *a)
 301         {
 302         if (a == NULL) return;
 303         ASN1_INTEGER_free(a->version);
 304         X509_ALGOR_free(a->sig_alg);
 305         X509_NAME_free(a->issuer);
 306         ASN1_UTCTIME_free(a->lastUpdate);
 307         if (a->nextUpdate)
 308                 ASN1_UTCTIME_free(a->nextUpdate);
 309         sk_pop_free(a->revoked,X509_REVOKED_free);
 310         sk_pop_free(a->extensions,X509_EXTENSION_free);
 311         Free((char *)a);
 312         }
 313
 314 void X509_CRL_free(X509_CRL *a)
 315         {
 316         int i;
 317
 318         if (a == NULL) return;
 319
 320         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
 321 #ifdef REF_PRINT
 322         REF_PRINT("X509_CRL",a);
 323 #endif
 324         if (i > 0) return;
 325 #ifdef REF_CHECK
 326         if (i < 0)
 327                 {
 328                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
 329                 abort();
 330                 }
 331 #endif
 332
 333         X509_CRL_INFO_free(a->crl);
 334         X509_ALGOR_free(a->sig_alg);
 335         ASN1_BIT_STRING_free(a->signature);
 336         Free((char *)a);
 337         }
 338
 339 static int X509_REVOKED_cmp(X509_REVOKED **a, X509_REVOKED **b)
 340         {
 341         return(ASN1_STRING_cmp(
 342                 (ASN1_STRING *)(*a)->serialNumber,
 343                 (ASN1_STRING *)(*b)->serialNumber));
 344         }
 345
 346 static int X509_REVOKED_seq_cmp(X509_REVOKED **a, X509_REVOKED **b)
 347         {
 348         return((*a)->sequence-(*b)->sequence);
 349         }