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