1 /* $OpenBSD: pcy_map.c,v 1.2 2021/11/01 20:53:08 tb Exp $ */ 2 /* Written by Dr Stephen N Henson (steve@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@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@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 #include <openssl/x509.h> 60 #include <openssl/x509v3.h> 61 62 #include "pcy_int.h" 63 #include "x509_lcl.h" 64 65 /* Set policy mapping entries in cache. 66 * Note: this modifies the passed POLICY_MAPPINGS structure 67 */ 68 69 int 70 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 int i; 76 int ret = 0; 77 78 if (sk_POLICY_MAPPING_num(maps) == 0) { 79 ret = -1; 80 goto bad_mapping; 81 } 82 for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) { 83 map = sk_POLICY_MAPPING_value(maps, i); 84 /* Reject if map to or from anyPolicy */ 85 if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy) || 86 (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) { 87 ret = -1; 88 goto bad_mapping; 89 } 90 91 /* Attempt to find matching policy data */ 92 data = policy_cache_find_data(cache, map->issuerDomainPolicy); 93 /* If we don't have anyPolicy can't map */ 94 if (!data && !cache->anyPolicy) 95 continue; 96 97 /* Create a NODE from anyPolicy */ 98 if (!data) { 99 data = policy_data_new(NULL, map->issuerDomainPolicy, 100 cache->anyPolicy->flags & 101 POLICY_DATA_FLAG_CRITICAL); 102 if (!data) 103 goto bad_mapping; 104 data->qualifier_set = cache->anyPolicy->qualifier_set; 105 /*map->issuerDomainPolicy = NULL;*/ 106 data->flags |= POLICY_DATA_FLAG_MAPPED_ANY; 107 data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; 108 if (!sk_X509_POLICY_DATA_push(cache->data, data)) { 109 policy_data_free(data); 110 goto bad_mapping; 111 } 112 } else 113 data->flags |= POLICY_DATA_FLAG_MAPPED; 114 if (!sk_ASN1_OBJECT_push(data->expected_policy_set, 115 map->subjectDomainPolicy)) 116 goto bad_mapping; 117 map->subjectDomainPolicy = NULL; 118 } 119 120 ret = 1; 121 122 bad_mapping: 123 if (ret == -1) 124 x->ex_flags |= EXFLAG_INVALID_POLICY; 125 sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free); 126 return ret; 127 } 128