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(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_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_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_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_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         M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_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)