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/asn1t.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
  67 ASN1_SEQUENCE(X509_REVOKED) = {
  68         ASN1_SIMPLE(X509_REVOKED,serialNumber, ASN1_INTEGER),
  69         ASN1_SIMPLE(X509_REVOKED,revocationDate, ASN1_TIME),
  70         ASN1_SEQUENCE_OF_OPT(X509_REVOKED,extensions, X509_EXTENSION)
  71 } ASN1_SEQUENCE_END(X509_REVOKED)
  72
  73 /* The X509_CRL_INFO structure needs a bit of customisation.
  74  * Since we cache the original encoding the signature wont be affected by
  75  * reordering of the revoked field.
  76  */
  77 static int crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
  78                                                                 void *exarg)
  79 {
  80         X509_CRL_INFO *a = (X509_CRL_INFO *)*pval;
  81
  82         if(!a || !a->revoked) return 1;
  83         switch(operation) {
  84                 /* Just set cmp function here. We don't sort because that
  85                  * would affect the output of X509_CRL_print().
  86                  */
  87                 case ASN1_OP_D2I_POST:
  88                 sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_cmp);
  89                 break;
  90         }
  91         return 1;
  92 }
  93
  94
  95 ASN1_SEQUENCE_enc(X509_CRL_INFO, enc, crl_inf_cb) = {
  96         ASN1_OPT(X509_CRL_INFO, version, ASN1_INTEGER),
  97         ASN1_SIMPLE(X509_CRL_INFO, sig_alg, X509_ALGOR),
  98         ASN1_SIMPLE(X509_CRL_INFO, issuer, X509_NAME),
  99         ASN1_SIMPLE(X509_CRL_INFO, lastUpdate, ASN1_TIME),
 100         ASN1_OPT(X509_CRL_INFO, nextUpdate, ASN1_TIME),
 101         ASN1_SEQUENCE_OF_OPT(X509_CRL_INFO, revoked, X509_REVOKED),
 102         ASN1_EXP_SEQUENCE_OF_OPT(X509_CRL_INFO, extensions, X509_EXTENSION, 0)
 103 } ASN1_SEQUENCE_END_enc(X509_CRL_INFO, X509_CRL_INFO)
 104
 105 static int crl_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
 106                                                                 void *exarg)
 107 {
 108         X509_CRL *a = (X509_CRL_INFO *)*pval;
 109
 110 #ifndef OPENSSL_NO_SHA
 111         switch(operation) {
 112                 /* Hash CRL here for rapid comparison in X509_digest_cmp()
 113                  */
 114                 case ASN1_OP_D2I_POST:
 115                 X509_CRL_digest(crl->digest, crl);
 116                 break;
 117         }
 118 #endif
 119         return 1;
 120 }
 121
 122 ASN1_SEQUENCE_ref(X509_CRL, 0, CRYPTO_LOCK_X509_CRL) = {
 123         ASN1_SIMPLE(X509_CRL, crl, X509_CRL_INFO),
 124         ASN1_SIMPLE(X509_CRL, sig_alg, X509_ALGOR),
 125         ASN1_SIMPLE(X509_CRL, signature, ASN1_BIT_STRING)
 126 } ASN1_SEQUENCE_END_ref(X509_CRL, X509_CRL)
 127
 128 IMPLEMENT_ASN1_FUNCTIONS(X509_REVOKED)
 129 IMPLEMENT_ASN1_FUNCTIONS(X509_CRL_INFO)
 130 IMPLEMENT_ASN1_FUNCTIONS(X509_CRL)
 131 IMPLEMENT_ASN1_DUP_FUNCTION(X509_CRL)
 132
 133 static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
 134                         const X509_REVOKED * const *b)
 135         {
 136         return(ASN1_STRING_cmp(
 137                 (ASN1_STRING *)(*a)->serialNumber,
 138                 (ASN1_STRING *)(*b)->serialNumber));
 139         }
 140
 141 int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
 142 {
 143         X509_CRL_INFO *inf;
 144         inf = crl->crl;
 145         if(!inf->revoked)
 146                 inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp);
 147         if(!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) {
 148                 ASN1err(ASN1_F_X509_CRL_ADD0_REVOKED, ERR_R_MALLOC_FAILURE);
 149                 return 0;
 150         }
 151         inf->enc.modified = 1;
 152         return 1;
 153 }
 154
 155 IMPLEMENT_STACK_OF(X509_REVOKED)
 156 IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
 157 IMPLEMENT_STACK_OF(X509_CRL)
 158 IMPLEMENT_ASN1_SET_OF(X509_CRL)