yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | #include "internal/cryptlib.h" |
| 11 | #include <openssl/x509.h> |
| 12 | #include <openssl/x509v3.h> |
| 13 | #include "crypto/x509.h" |
| 14 | |
| 15 | #include "pcy_local.h" |
| 16 | |
| 17 | /* |
| 18 | * Set policy mapping entries in cache. Note: this modifies the passed |
| 19 | * POLICY_MAPPINGS structure |
| 20 | */ |
| 21 | |
| 22 | int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps) |
| 23 | { |
| 24 | POLICY_MAPPING *map; |
| 25 | X509_POLICY_DATA *data; |
| 26 | X509_POLICY_CACHE *cache = x->policy_cache; |
| 27 | int i; |
| 28 | int ret = 0; |
| 29 | if (sk_POLICY_MAPPING_num(maps) == 0) { |
| 30 | ret = -1; |
| 31 | goto bad_mapping; |
| 32 | } |
| 33 | for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) { |
| 34 | map = sk_POLICY_MAPPING_value(maps, i); |
| 35 | /* Reject if map to or from anyPolicy */ |
| 36 | if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy) |
| 37 | || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) { |
| 38 | ret = -1; |
| 39 | goto bad_mapping; |
| 40 | } |
| 41 | |
| 42 | /* Attempt to find matching policy data */ |
| 43 | data = policy_cache_find_data(cache, map->issuerDomainPolicy); |
| 44 | /* If we don't have anyPolicy can't map */ |
| 45 | if (data == NULL && !cache->anyPolicy) |
| 46 | continue; |
| 47 | |
| 48 | /* Create a NODE from anyPolicy */ |
| 49 | if (data == NULL) { |
| 50 | data = policy_data_new(NULL, map->issuerDomainPolicy, |
| 51 | cache->anyPolicy->flags |
| 52 | & POLICY_DATA_FLAG_CRITICAL); |
| 53 | if (data == NULL) |
| 54 | goto bad_mapping; |
| 55 | data->qualifier_set = cache->anyPolicy->qualifier_set; |
| 56 | /* |
| 57 | * map->issuerDomainPolicy = NULL; |
| 58 | */ |
| 59 | data->flags |= POLICY_DATA_FLAG_MAPPED_ANY; |
| 60 | data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; |
| 61 | if (!sk_X509_POLICY_DATA_push(cache->data, data)) { |
| 62 | policy_data_free(data); |
| 63 | goto bad_mapping; |
| 64 | } |
| 65 | } else |
| 66 | data->flags |= POLICY_DATA_FLAG_MAPPED; |
| 67 | if (!sk_ASN1_OBJECT_push(data->expected_policy_set, |
| 68 | map->subjectDomainPolicy)) |
| 69 | goto bad_mapping; |
| 70 | map->subjectDomainPolicy = NULL; |
| 71 | |
| 72 | } |
| 73 | |
| 74 | ret = 1; |
| 75 | bad_mapping: |
| 76 | if (ret == -1) |
| 77 | x->ex_flags |= EXFLAG_INVALID_POLICY; |
| 78 | sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free); |
| 79 | return ret; |
| 80 | |
| 81 | } |