| OLD | NEW |
|---|
| (Empty) |
| 1 /* pcy_cache.c */ | |
| 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 "cryptlib.h" | |
| 60 #include <openssl/x509.h> | |
| 61 #include <openssl/x509v3.h> | |
| 62 | |
| 63 #include "pcy_int.h" | |
| 64 | |
| 65 static int policy_data_cmp(const X509_POLICY_DATA * const *a, | |
| 66 const X509_POLICY_DATA * const *b); | |
| 67 static int policy_cache_set_int(long *out, ASN1_INTEGER *value); | |
| 68 | |
| 69 /* Set cache entry according to CertificatePolicies extension. | |
| 70 * Note: this destroys the passed CERTIFICATEPOLICIES structure. | |
| 71 */ | |
| 72 | |
| 73 static int policy_cache_create(X509 *x, | |
| 74 CERTIFICATEPOLICIES *policies, int crit) | |
| 75 { | |
| 76 int i; | |
| 77 int ret = 0; | |
| 78 X509_POLICY_CACHE *cache = x->policy_cache; | |
| 79 X509_POLICY_DATA *data = NULL; | |
| 80 POLICYINFO *policy; | |
| 81 if (sk_POLICYINFO_num(policies) == 0) | |
| 82 goto bad_policy; | |
| 83 cache->data = sk_X509_POLICY_DATA_new(policy_data_cmp); | |
| 84 if (!cache->data) | |
| 85 goto bad_policy; | |
| 86 for (i = 0; i < sk_POLICYINFO_num(policies); i++) | |
| 87 { | |
| 88 policy = sk_POLICYINFO_value(policies, i); | |
| 89 data = policy_data_new(policy, NULL, crit); | |
| 90 if (!data) | |
| 91 goto bad_policy; | |
| 92 /* Duplicate policy OIDs are illegal: reject if matches | |
| 93 * found. | |
| 94 */ | |
| 95 if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) | |
| 96 { | |
| 97 if (cache->anyPolicy) | |
| 98 { | |
| 99 ret = -1; | |
| 100 goto bad_policy; | |
| 101 } | |
| 102 cache->anyPolicy = data; | |
| 103 } | |
| 104 else if (sk_X509_POLICY_DATA_find(cache->data, data) != -1) | |
| 105 { | |
| 106 ret = -1; | |
| 107 goto bad_policy; | |
| 108 } | |
| 109 else if (!sk_X509_POLICY_DATA_push(cache->data, data)) | |
| 110 goto bad_policy; | |
| 111 data = NULL; | |
| 112 } | |
| 113 ret = 1; | |
| 114 bad_policy: | |
| 115 if (ret == -1) | |
| 116 x->ex_flags |= EXFLAG_INVALID_POLICY; | |
| 117 if (data) | |
| 118 policy_data_free(data); | |
| 119 sk_POLICYINFO_pop_free(policies, POLICYINFO_free); | |
| 120 if (ret <= 0) | |
| 121 { | |
| 122 sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free); | |
| 123 cache->data = NULL; | |
| 124 } | |
| 125 return ret; | |
| 126 } | |
| 127 | |
| 128 | |
| 129 static int policy_cache_new(X509 *x) | |
| 130 { | |
| 131 X509_POLICY_CACHE *cache; | |
| 132 ASN1_INTEGER *ext_any = NULL; | |
| 133 POLICY_CONSTRAINTS *ext_pcons = NULL; | |
| 134 CERTIFICATEPOLICIES *ext_cpols = NULL; | |
| 135 POLICY_MAPPINGS *ext_pmaps = NULL; | |
| 136 int i; | |
| 137 cache = OPENSSL_malloc(sizeof(X509_POLICY_CACHE)); | |
| 138 if (!cache) | |
| 139 return 0; | |
| 140 cache->anyPolicy = NULL; | |
| 141 cache->data = NULL; | |
| 142 cache->any_skip = -1; | |
| 143 cache->explicit_skip = -1; | |
| 144 cache->map_skip = -1; | |
| 145 | |
| 146 x->policy_cache = cache; | |
| 147 | |
| 148 /* Handle requireExplicitPolicy *first*. Need to process this | |
| 149 * even if we don't have any policies. | |
| 150 */ | |
| 151 ext_pcons = X509_get_ext_d2i(x, NID_policy_constraints, &i, NULL); | |
| 152 | |
| 153 if (!ext_pcons) | |
| 154 { | |
| 155 if (i != -1) | |
| 156 goto bad_cache; | |
| 157 } | |
| 158 else | |
| 159 { | |
| 160 if (!ext_pcons->requireExplicitPolicy | |
| 161 && !ext_pcons->inhibitPolicyMapping) | |
| 162 goto bad_cache; | |
| 163 if (!policy_cache_set_int(&cache->explicit_skip, | |
| 164 ext_pcons->requireExplicitPolicy)) | |
| 165 goto bad_cache; | |
| 166 if (!policy_cache_set_int(&cache->map_skip, | |
| 167 ext_pcons->inhibitPolicyMapping)) | |
| 168 goto bad_cache; | |
| 169 } | |
| 170 | |
| 171 /* Process CertificatePolicies */ | |
| 172 | |
| 173 ext_cpols = X509_get_ext_d2i(x, NID_certificate_policies, &i, NULL); | |
| 174 /* If no CertificatePolicies extension or problem decoding then | |
| 175 * there is no point continuing because the valid policies will be | |
| 176 * NULL. | |
| 177 */ | |
| 178 if (!ext_cpols) | |
| 179 { | |
| 180 /* If not absent some problem with extension */ | |
| 181 if (i != -1) | |
| 182 goto bad_cache; | |
| 183 return 1; | |
| 184 } | |
| 185 | |
| 186 i = policy_cache_create(x, ext_cpols, i); | |
| 187 | |
| 188 /* NB: ext_cpols freed by policy_cache_set_policies */ | |
| 189 | |
| 190 if (i <= 0) | |
| 191 return i; | |
| 192 | |
| 193 ext_pmaps = X509_get_ext_d2i(x, NID_policy_mappings, &i, NULL); | |
| 194 | |
| 195 if (!ext_pmaps) | |
| 196 { | |
| 197 /* If not absent some problem with extension */ | |
| 198 if (i != -1) | |
| 199 goto bad_cache; | |
| 200 } | |
| 201 else | |
| 202 { | |
| 203 i = policy_cache_set_mapping(x, ext_pmaps); | |
| 204 if (i <= 0) | |
| 205 goto bad_cache; | |
| 206 } | |
| 207 | |
| 208 ext_any = X509_get_ext_d2i(x, NID_inhibit_any_policy, &i, NULL); | |
| 209 | |
| 210 if (!ext_any) | |
| 211 { | |
| 212 if (i != -1) | |
| 213 goto bad_cache; | |
| 214 } | |
| 215 else if (!policy_cache_set_int(&cache->any_skip, ext_any)) | |
| 216 goto bad_cache; | |
| 217 | |
| 218 if (0) | |
| 219 { | |
| 220 bad_cache: | |
| 221 x->ex_flags |= EXFLAG_INVALID_POLICY; | |
| 222 } | |
| 223 | |
| 224 if(ext_pcons) | |
| 225 POLICY_CONSTRAINTS_free(ext_pcons); | |
| 226 | |
| 227 if (ext_any) | |
| 228 ASN1_INTEGER_free(ext_any); | |
| 229 | |
| 230 return 1; | |
| 231 | |
| 232 | |
| 233 } | |
| 234 | |
| 235 void policy_cache_free(X509_POLICY_CACHE *cache) | |
| 236 { | |
| 237 if (!cache) | |
| 238 return; | |
| 239 if (cache->anyPolicy) | |
| 240 policy_data_free(cache->anyPolicy); | |
| 241 if (cache->data) | |
| 242 sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free); | |
| 243 OPENSSL_free(cache); | |
| 244 } | |
| 245 | |
| 246 const X509_POLICY_CACHE *policy_cache_set(X509 *x) | |
| 247 { | |
| 248 | |
| 249 if (x->policy_cache == NULL) | |
| 250 { | |
| 251 CRYPTO_w_lock(CRYPTO_LOCK_X509); | |
| 252 policy_cache_new(x); | |
| 253 CRYPTO_w_unlock(CRYPTO_LOCK_X509); | |
| 254 } | |
| 255 | |
| 256 return x->policy_cache; | |
| 257 | |
| 258 } | |
| 259 | |
| 260 X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache, | |
| 261 const ASN1_OBJECT *id) | |
| 262 { | |
| 263 int idx; | |
| 264 X509_POLICY_DATA tmp; | |
| 265 tmp.valid_policy = (ASN1_OBJECT *)id; | |
| 266 idx = sk_X509_POLICY_DATA_find(cache->data, &tmp); | |
| 267 if (idx == -1) | |
| 268 return NULL; | |
| 269 return sk_X509_POLICY_DATA_value(cache->data, idx); | |
| 270 } | |
| 271 | |
| 272 static int policy_data_cmp(const X509_POLICY_DATA * const *a, | |
| 273 const X509_POLICY_DATA * const *b) | |
| 274 { | |
| 275 return OBJ_cmp((*a)->valid_policy, (*b)->valid_policy); | |
| 276 } | |
| 277 | |
| 278 static int policy_cache_set_int(long *out, ASN1_INTEGER *value) | |
| 279 { | |
| 280 if (value == NULL) | |
| 281 return 1; | |
| 282 if (value->type == V_ASN1_NEG_INTEGER) | |
| 283 return 0; | |
| 284 *out = ASN1_INTEGER_get(value); | |
| 285 return 1; | |
| 286 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master