1 /* pcy_map.c */ 2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL 3 * project 2004. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 2004 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing (at) OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) cryptsoft.com). 56 * 57 */ 58 59 #include <openssl/obj.h> 60 #include <openssl/x509.h> 61 #include <openssl/x509v3.h> 62 63 #include "pcy_int.h" 64 65 66 /* Set policy mapping entries in cache. 67 * Note: this modifies the passed POLICY_MAPPINGS structure 68 */ 69 70 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps) 71 { 72 POLICY_MAPPING *map; 73 X509_POLICY_DATA *data; 74 X509_POLICY_CACHE *cache = x->policy_cache; 75 size_t i; 76 int ret = 0; 77 if (sk_POLICY_MAPPING_num(maps) == 0) 78 { 79 ret = -1; 80 goto bad_mapping; 81 } 82 for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) 83 { 84 map = sk_POLICY_MAPPING_value(maps, i); 85 /* Reject if map to or from anyPolicy */ 86 if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy) 87 || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) 88 { 89 ret = -1; 90 goto bad_mapping; 91 } 92 93 /* Attempt to find matching policy data */ 94 data = policy_cache_find_data(cache, map->issuerDomainPolicy); 95 /* If we don't have anyPolicy can't map */ 96 if (!data && !cache->anyPolicy) 97 continue; 98 99 /* Create a NODE from anyPolicy */ 100 if (!data) 101 { 102 data = policy_data_new(NULL, map->issuerDomainPolicy, 103 cache->anyPolicy->flags 104 & POLICY_DATA_FLAG_CRITICAL); 105 if (!data) 106 goto bad_mapping; 107 data->qualifier_set = cache->anyPolicy->qualifier_set; 108 /*map->issuerDomainPolicy = NULL;*/ 109 data->flags |= POLICY_DATA_FLAG_MAPPED_ANY; 110 data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; 111 if (!sk_X509_POLICY_DATA_push(cache->data, data)) 112 { 113 policy_data_free(data); 114 goto bad_mapping; 115 } 116 } 117 else 118 data->flags |= POLICY_DATA_FLAG_MAPPED; 119 if (!sk_ASN1_OBJECT_push(data->expected_policy_set, 120 map->subjectDomainPolicy)) 121 goto bad_mapping; 122 map->subjectDomainPolicy = NULL; 123 124 } 125 126 ret = 1; 127 bad_mapping: 128 if (ret == -1) 129 x->ex_flags |= EXFLAG_INVALID_POLICY; 130 sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free); 131 return ret; 132 133 } 134