diff options
Diffstat (limited to 'openssl/crypto/x509v3/pcy_map.c')
| -rw-r--r-- | openssl/crypto/x509v3/pcy_map.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/openssl/crypto/x509v3/pcy_map.c b/openssl/crypto/x509v3/pcy_map.c new file mode 100644 index 000000000..f28796e6d --- /dev/null +++ b/openssl/crypto/x509v3/pcy_map.c @@ -0,0 +1,186 @@ +/* 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; + + } |