-/* v3_ncons.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2003 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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 "internal/asn1_int.h"
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
BIO *bp, int ind);
static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp,
- int ind, char *name);
+ int ind, const char *name);
static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);
GENERAL_SUBTREE *sub = NULL;
ncons = NAME_CONSTRAINTS_new();
- if (!ncons)
+ if (ncons == NULL)
goto memerr;
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
val = sk_CONF_VALUE_value(nval, i);
}
tval.value = val->value;
sub = GENERAL_SUBTREE_new();
+ if (sub == NULL)
+ goto memerr;
if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1))
goto err;
- if (!*ptree)
+ if (*ptree == NULL)
*ptree = sk_GENERAL_SUBTREE_new_null();
- if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub))
+ if (*ptree == NULL || !sk_GENERAL_SUBTREE_push(*ptree, sub))
goto memerr;
sub = NULL;
}
static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
STACK_OF(GENERAL_SUBTREE) *trees,
- BIO *bp, int ind, char *name)
+ BIO *bp, int ind, const char *name)
{
GENERAL_SUBTREE *tree;
int i;
/* Process any email address attributes in subject name */
for (i = -1;;) {
- X509_NAME_ENTRY *ne;
+ const X509_NAME_ENTRY *ne;
+
i = X509_NAME_get_index_by_NID(nm, NID_pkcs9_emailAddress, i);
if (i == -1)
break;
}
+int NAME_CONSTRAINTS_check_CN(X509 *x, NAME_CONSTRAINTS *nc)
+{
+ int r, i;
+ X509_NAME *nm;
+
+ ASN1_STRING stmp;
+ GENERAL_NAME gntmp;
+ stmp.flags = 0;
+ stmp.type = V_ASN1_IA5STRING;
+ gntmp.type = GEN_DNS;
+ gntmp.d.dNSName = &stmp;
+
+ nm = X509_get_subject_name(x);
+
+ /* Process any commonName attributes in subject name */
+
+ for (i = -1;;) {
+ X509_NAME_ENTRY *ne;
+ ASN1_STRING *hn;
+
+ i = X509_NAME_get_index_by_NID(nm, NID_commonName, i);
+ if (i == -1)
+ break;
+ ne = X509_NAME_get_entry(nm, i);
+ hn = X509_NAME_ENTRY_get_data(ne);
+ /* Only process attributes that look like host names */
+ if (asn1_valid_host(hn)) {
+ unsigned char *h;
+ int hlen = ASN1_STRING_to_UTF8(&h, hn);
+ if (hlen <= 0)
+ return X509_V_ERR_OUT_OF_MEM;
+
+ stmp.length = hlen;
+ stmp.data = h;
+
+ r = nc_match(&gntmp, nc);
+
+ OPENSSL_free(h);
+
+ if (r != X509_V_OK)
+ return r;
+ }
+ }
+ return X509_V_OK;
+}
+
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc)
{
GENERAL_SUBTREE *sub;
const char *emlat = strchr(emlptr, '@');
if (!emlat)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
- /* Special case: inital '.' is RHS match */
+ /* Special case: initial '.' is RHS match */
if (!baseat && (*baseptr == '.')) {
if (eml->length > base->length) {
emlptr += eml->length - base->length;
if (hostlen == 0)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
- /* Special case: inital '.' is RHS match */
+ /* Special case: initial '.' is RHS match */
if (*baseptr == '.') {
if (hostlen > base->length) {
p = hostptr + hostlen - base->length;
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