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