-/* crypto/x509/x_crl.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
-#include "internal/x509_int.h"
+#include "crypto/x509.h"
#include <openssl/x509v3.h>
-#include "x509_lcl.h"
+#include "x509_local.h"
+
+DEFINE_STACK_OF(GENERAL_NAME)
+DEFINE_STACK_OF(GENERAL_NAMES)
+DEFINE_STACK_OF(X509_REVOKED)
+DEFINE_STACK_OF(X509_EXTENSION)
static int X509_REVOKED_cmp(const X509_REVOKED *const *a,
const X509_REVOKED *const *b);
-static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp);
+static int setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp);
ASN1_SEQUENCE(X509_REVOKED) = {
- ASN1_SIMPLE(X509_REVOKED,serialNumber, ASN1_INTEGER),
+ ASN1_EMBED(X509_REVOKED,serialNumber, ASN1_INTEGER),
ASN1_SIMPLE(X509_REVOKED,revocationDate, ASN1_TIME),
ASN1_SEQUENCE_OF_OPT(X509_REVOKED,extensions, X509_EXTENSION)
} ASN1_SEQUENCE_END(X509_REVOKED)
static int def_crl_verify(X509_CRL *crl, EVP_PKEY *r);
static int def_crl_lookup(X509_CRL *crl,
- X509_REVOKED **ret, ASN1_INTEGER *serial,
- X509_NAME *issuer);
+ X509_REVOKED **ret, const ASN1_INTEGER *serial,
+ const X509_NAME *issuer);
static X509_CRL_METHOD int_crl_meth = {
0,
/*
* The X509_CRL_INFO structure needs a bit of customisation. Since we cache
- * the original encoding the signature wont be affected by reordering of the
+ * the original encoding the signature won't be affected by reordering of the
* revoked field.
*/
static int crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
X509_CRL *crl = (X509_CRL *)*pval;
STACK_OF(X509_EXTENSION) *exts;
X509_EXTENSION *ext;
- int idx;
+ int idx, i;
switch (operation) {
+ case ASN1_OP_D2I_PRE:
+ if (crl->meth->crl_free) {
+ if (!crl->meth->crl_free(crl))
+ return 0;
+ }
+ AUTHORITY_KEYID_free(crl->akid);
+ ISSUING_DIST_POINT_free(crl->idp);
+ ASN1_INTEGER_free(crl->crl_number);
+ ASN1_INTEGER_free(crl->base_crl_number);
+ sk_GENERAL_NAMES_pop_free(crl->issuers, GENERAL_NAMES_free);
+ /* fall thru */
+
case ASN1_OP_NEW_POST:
crl->idp = NULL;
crl->akid = NULL;
break;
case ASN1_OP_D2I_POST:
- X509_CRL_digest(crl, EVP_sha1(), crl->sha1_hash, NULL);
+ if (!X509_CRL_digest(crl, EVP_sha1(), crl->sha1_hash, NULL))
+ crl->flags |= EXFLAG_INVALID;
crl->idp = X509_CRL_get_ext_d2i(crl,
- NID_issuing_distribution_point, NULL,
+ NID_issuing_distribution_point, &i,
NULL);
- if (crl->idp)
- setup_idp(crl, crl->idp);
+ if (crl->idp != NULL) {
+ if (!setup_idp(crl, crl->idp))
+ crl->flags |= EXFLAG_INVALID;
+ }
+ else if (i != -1) {
+ crl->flags |= EXFLAG_INVALID;
+ }
crl->akid = X509_CRL_get_ext_d2i(crl,
- NID_authority_key_identifier, NULL,
+ NID_authority_key_identifier, &i,
NULL);
+ if (crl->akid == NULL && i != -1)
+ crl->flags |= EXFLAG_INVALID;
crl->crl_number = X509_CRL_get_ext_d2i(crl,
- NID_crl_number, NULL, NULL);
+ NID_crl_number, &i, NULL);
+ if (crl->crl_number == NULL && i != -1)
+ crl->flags |= EXFLAG_INVALID;
crl->base_crl_number = X509_CRL_get_ext_d2i(crl,
- NID_delta_crl, NULL,
+ NID_delta_crl, &i,
NULL);
+ if (crl->base_crl_number == NULL && i != -1)
+ crl->flags |= EXFLAG_INVALID;
/* Delta CRLs must have CRL number */
if (crl->base_crl_number && !crl->crl_number)
crl->flags |= EXFLAG_INVALID;
if ((nid == NID_issuing_distribution_point)
|| (nid == NID_authority_key_identifier)
|| (nid == NID_delta_crl))
- break;;
+ continue;
crl->flags |= EXFLAG_CRITICAL;
break;
}
if (crl->meth->crl_init(crl) == 0)
return 0;
}
+
+ crl->flags |= EXFLAG_SET;
break;
case ASN1_OP_FREE_POST:
/* Convert IDP into a more convenient form */
-static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp)
+static int setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp)
{
int idp_only = 0;
+
/* Set various flags according to IDP */
crl->idp_flags |= IDP_PRESENT;
if (idp->onlyuser > 0) {
crl->idp_reasons &= CRLDP_ALL_REASONS;
}
- DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl));
+ return DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl));
}
-ASN1_SEQUENCE_ref(X509_CRL, crl_cb, CRYPTO_LOCK_X509_CRL) = {
+ASN1_SEQUENCE_ref(X509_CRL, crl_cb) = {
ASN1_EMBED(X509_CRL, crl, X509_CRL_INFO),
ASN1_EMBED(X509_CRL, sig_alg, X509_ALGOR),
- ASN1_SIMPLE(X509_CRL, signature, ASN1_BIT_STRING)
+ ASN1_EMBED(X509_CRL, signature, ASN1_BIT_STRING)
} ASN1_SEQUENCE_END_ref(X509_CRL, X509_CRL)
IMPLEMENT_ASN1_FUNCTIONS(X509_REVOKED)
static int X509_REVOKED_cmp(const X509_REVOKED *const *a,
const X509_REVOKED *const *b)
{
- return (ASN1_STRING_cmp((ASN1_STRING *)(*a)->serialNumber,
- (ASN1_STRING *)(*b)->serialNumber));
+ return (ASN1_STRING_cmp((ASN1_STRING *)&(*a)->serialNumber,
+ (ASN1_STRING *)&(*b)->serialNumber));
}
int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
{
X509_CRL_INFO *inf;
+
inf = &crl->crl;
- if (!inf->revoked)
+ if (inf->revoked == NULL)
inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp);
- if (!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) {
+ if (inf->revoked == NULL || !sk_X509_REVOKED_push(inf->revoked, rev)) {
ASN1err(ASN1_F_X509_CRL_ADD0_REVOKED, ERR_R_MALLOC_FAILURE);
return 0;
}
}
int X509_CRL_get0_by_serial(X509_CRL *crl,
- X509_REVOKED **ret, ASN1_INTEGER *serial)
+ X509_REVOKED **ret, const ASN1_INTEGER *serial)
{
if (crl->meth->crl_lookup)
return crl->meth->crl_lookup(crl, ret, serial, NULL);
{
if (crl->meth->crl_lookup)
return crl->meth->crl_lookup(crl, ret,
- X509_get_serialNumber(x),
+ X509_get0_serialNumber(x),
X509_get_issuer_name(x));
return 0;
}
static int def_crl_verify(X509_CRL *crl, EVP_PKEY *r)
{
return (ASN1_item_verify(ASN1_ITEM_rptr(X509_CRL_INFO),
- &crl->sig_alg, crl->signature, &crl->crl, r));
+ &crl->sig_alg, &crl->signature, &crl->crl, r));
}
-static int crl_revoked_issuer_match(X509_CRL *crl, X509_NAME *nm,
+static int crl_revoked_issuer_match(X509_CRL *crl, const X509_NAME *nm,
X509_REVOKED *rev)
{
int i;
}
static int def_crl_lookup(X509_CRL *crl,
- X509_REVOKED **ret, ASN1_INTEGER *serial,
- X509_NAME *issuer)
+ X509_REVOKED **ret, const ASN1_INTEGER *serial,
+ const X509_NAME *issuer)
{
X509_REVOKED rtmp, *rev;
- int idx;
- rtmp.serialNumber = serial;
+ int idx, num;
+
+ if (crl->crl.revoked == NULL)
+ return 0;
+
/*
* Sort revoked into serial number order if not already sorted. Do this
* under a lock to avoid race condition.
*/
if (!sk_X509_REVOKED_is_sorted(crl->crl.revoked)) {
- CRYPTO_w_lock(CRYPTO_LOCK_X509_CRL);
+ CRYPTO_THREAD_write_lock(crl->lock);
sk_X509_REVOKED_sort(crl->crl.revoked);
- CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL);
+ CRYPTO_THREAD_unlock(crl->lock);
}
+ rtmp.serialNumber = *serial;
idx = sk_X509_REVOKED_find(crl->crl.revoked, &rtmp);
if (idx < 0)
return 0;
/* Need to look for matching name */
- for (; idx < sk_X509_REVOKED_num(crl->crl.revoked); idx++) {
+ for (num = sk_X509_REVOKED_num(crl->crl.revoked); idx < num; idx++) {
rev = sk_X509_REVOKED_value(crl->crl.revoked, idx);
- if (ASN1_INTEGER_cmp(rev->serialNumber, serial))
+ if (ASN1_INTEGER_cmp(&rev->serialNumber, serial))
return 0;
if (crl_revoked_issuer_match(crl, issuer, rev)) {
if (ret)
int (*crl_free) (X509_CRL *crl),
int (*crl_lookup) (X509_CRL *crl,
X509_REVOKED **ret,
- ASN1_INTEGER *ser,
- X509_NAME *issuer),
+ const ASN1_INTEGER *ser,
+ const X509_NAME *issuer),
int (*crl_verify) (X509_CRL *crl,
EVP_PKEY *pk))
{
- X509_CRL_METHOD *m;
- m = OPENSSL_malloc(sizeof(*m));
- if (!m)
+ X509_CRL_METHOD *m = OPENSSL_malloc(sizeof(*m));
+
+ if (m == NULL) {
+ X509err(X509_F_X509_CRL_METHOD_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
+ }
m->crl_init = crl_init;
m->crl_free = crl_free;
m->crl_lookup = crl_lookup;
void X509_CRL_METHOD_free(X509_CRL_METHOD *m)
{
- if (!(m->flags & X509_CRL_METHOD_DYNAMIC))
+ if (m == NULL || !(m->flags & X509_CRL_METHOD_DYNAMIC))
return;
OPENSSL_free(m);
}