| /* pcy_map.c */ |
| /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| * project 2004. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 2004 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). |
| * |
| */ |
| |
| #include "cryptlib.h" |
| #include <openssl/x509.h> |
| #include <openssl/x509v3.h> |
| |
| #include "pcy_int.h" |
| |
| static int ref_cmp(const X509_POLICY_REF * const *a, |
| const X509_POLICY_REF * const *b) |
| { |
| return OBJ_cmp((*a)->subjectDomainPolicy, (*b)->subjectDomainPolicy); |
| } |
| |
| static void policy_map_free(X509_POLICY_REF *map) |
| { |
| if (map->subjectDomainPolicy) |
| ASN1_OBJECT_free(map->subjectDomainPolicy); |
| OPENSSL_free(map); |
| } |
| |
| static X509_POLICY_REF *policy_map_find(X509_POLICY_CACHE *cache, ASN1_OBJECT *id) |
| { |
| X509_POLICY_REF tmp; |
| int idx; |
| tmp.subjectDomainPolicy = id; |
| |
| idx = sk_X509_POLICY_REF_find(cache->maps, &tmp); |
| if (idx == -1) |
| return NULL; |
| return sk_X509_POLICY_REF_value(cache->maps, idx); |
| } |
| |
| /* Set policy mapping entries in cache. |
| * Note: this modifies the passed POLICY_MAPPINGS structure |
| */ |
| |
| int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps) |
| { |
| POLICY_MAPPING *map; |
| X509_POLICY_REF *ref = NULL; |
| X509_POLICY_DATA *data; |
| X509_POLICY_CACHE *cache = x->policy_cache; |
| int i; |
| int ret = 0; |
| if (sk_POLICY_MAPPING_num(maps) == 0) |
| { |
| ret = -1; |
| goto bad_mapping; |
| } |
| cache->maps = sk_X509_POLICY_REF_new(ref_cmp); |
| for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) |
| { |
| map = sk_POLICY_MAPPING_value(maps, i); |
| /* Reject if map to or from anyPolicy */ |
| if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy) |
| || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) |
| { |
| ret = -1; |
| goto bad_mapping; |
| } |
| |
| /* If we've already mapped from this OID bad mapping */ |
| if (policy_map_find(cache, map->subjectDomainPolicy) != NULL) |
| { |
| ret = -1; |
| goto bad_mapping; |
| } |
| |
| /* Attempt to find matching policy data */ |
| data = policy_cache_find_data(cache, map->issuerDomainPolicy); |
| /* If we don't have anyPolicy can't map */ |
| if (!data && !cache->anyPolicy) |
| continue; |
| |
| /* Create a NODE from anyPolicy */ |
| if (!data) |
| { |
| data = policy_data_new(NULL, map->issuerDomainPolicy, |
| cache->anyPolicy->flags |
| & POLICY_DATA_FLAG_CRITICAL); |
| if (!data) |
| goto bad_mapping; |
| data->qualifier_set = cache->anyPolicy->qualifier_set; |
| map->issuerDomainPolicy = NULL; |
| data->flags |= POLICY_DATA_FLAG_MAPPED_ANY; |
| data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; |
| if (!sk_X509_POLICY_DATA_push(cache->data, data)) |
| { |
| policy_data_free(data); |
| goto bad_mapping; |
| } |
| } |
| else |
| data->flags |= POLICY_DATA_FLAG_MAPPED; |
| |
| if (!sk_ASN1_OBJECT_push(data->expected_policy_set, |
| map->subjectDomainPolicy)) |
| goto bad_mapping; |
| |
| ref = OPENSSL_malloc(sizeof(X509_POLICY_REF)); |
| if (!ref) |
| goto bad_mapping; |
| |
| ref->subjectDomainPolicy = map->subjectDomainPolicy; |
| map->subjectDomainPolicy = NULL; |
| ref->data = data; |
| |
| if (!sk_X509_POLICY_REF_push(cache->maps, ref)) |
| goto bad_mapping; |
| |
| ref = NULL; |
| |
| } |
| |
| ret = 1; |
| bad_mapping: |
| if (ret == -1) |
| x->ex_flags |= EXFLAG_INVALID_POLICY; |
| if (ref) |
| policy_map_free(ref); |
| if (ret <= 0) |
| { |
| sk_X509_POLICY_REF_pop_free(cache->maps, policy_map_free); |
| cache->maps = NULL; |
| } |
| sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free); |
| return ret; |
| |
| } |