+++ /dev/null
-/*
- * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include "internal/cryptlib.h"
-#include <openssl/x509.h>
-#include <openssl/x509v3.h>
-#include "internal/x509_int.h"
-
-#include "pcy_int.h"
-
-static int policy_data_cmp(const X509_POLICY_DATA *const *a,
- const X509_POLICY_DATA *const *b);
-static int policy_cache_set_int(long *out, ASN1_INTEGER *value);
-
-/*
- * Set cache entry according to CertificatePolicies extension. Note: this
- * destroys the passed CERTIFICATEPOLICIES structure.
- */
-
-static int policy_cache_create(X509 *x,
- CERTIFICATEPOLICIES *policies, int crit)
-{
- int i, num, ret = 0;
- X509_POLICY_CACHE *cache = x->policy_cache;
- X509_POLICY_DATA *data = NULL;
- POLICYINFO *policy;
-
- if ((num = sk_POLICYINFO_num(policies)) <= 0)
- goto bad_policy;
- cache->data = sk_X509_POLICY_DATA_new(policy_data_cmp);
- if (cache->data == NULL) {
- X509V3err(X509V3_F_POLICY_CACHE_CREATE, ERR_R_MALLOC_FAILURE);
- goto just_cleanup;
- }
- for (i = 0; i < num; i++) {
- policy = sk_POLICYINFO_value(policies, i);
- data = policy_data_new(policy, NULL, crit);
- if (data == NULL) {
- X509V3err(X509V3_F_POLICY_CACHE_CREATE, ERR_R_MALLOC_FAILURE);
- goto just_cleanup;
- }
- /*
- * Duplicate policy OIDs are illegal: reject if matches found.
- */
- if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) {
- if (cache->anyPolicy) {
- ret = -1;
- goto bad_policy;
- }
- cache->anyPolicy = data;
- } else if (sk_X509_POLICY_DATA_find(cache->data, data) >=0 ) {
- ret = -1;
- goto bad_policy;
- } else if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
- X509V3err(X509V3_F_POLICY_CACHE_CREATE, ERR_R_MALLOC_FAILURE);
- goto bad_policy;
- }
- data = NULL;
- }
- ret = 1;
-
- bad_policy:
- if (ret == -1)
- x->ex_flags |= EXFLAG_INVALID_POLICY;
- policy_data_free(data);
- just_cleanup:
- sk_POLICYINFO_pop_free(policies, POLICYINFO_free);
- if (ret <= 0) {
- sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
- cache->data = NULL;
- }
- return ret;
-}
-
-static int policy_cache_new(X509 *x)
-{
- X509_POLICY_CACHE *cache;
- ASN1_INTEGER *ext_any = NULL;
- POLICY_CONSTRAINTS *ext_pcons = NULL;
- CERTIFICATEPOLICIES *ext_cpols = NULL;
- POLICY_MAPPINGS *ext_pmaps = NULL;
- int i;
-
- if (x->policy_cache != NULL)
- return 1;
- cache = OPENSSL_malloc(sizeof(*cache));
- if (cache == NULL) {
- X509V3err(X509V3_F_POLICY_CACHE_NEW, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- cache->anyPolicy = NULL;
- cache->data = NULL;
- cache->any_skip = -1;
- cache->explicit_skip = -1;
- cache->map_skip = -1;
-
- x->policy_cache = cache;
-
- /*
- * Handle requireExplicitPolicy *first*. Need to process this even if we
- * don't have any policies.
- */
- ext_pcons = X509_get_ext_d2i(x, NID_policy_constraints, &i, NULL);
-
- if (!ext_pcons) {
- if (i != -1)
- goto bad_cache;
- } else {
- if (!ext_pcons->requireExplicitPolicy
- && !ext_pcons->inhibitPolicyMapping)
- goto bad_cache;
- if (!policy_cache_set_int(&cache->explicit_skip,
- ext_pcons->requireExplicitPolicy))
- goto bad_cache;
- if (!policy_cache_set_int(&cache->map_skip,
- ext_pcons->inhibitPolicyMapping))
- goto bad_cache;
- }
-
- /* Process CertificatePolicies */
-
- ext_cpols = X509_get_ext_d2i(x, NID_certificate_policies, &i, NULL);
- /*
- * If no CertificatePolicies extension or problem decoding then there is
- * no point continuing because the valid policies will be NULL.
- */
- if (!ext_cpols) {
- /* If not absent some problem with extension */
- if (i != -1)
- goto bad_cache;
- return 1;
- }
-
- i = policy_cache_create(x, ext_cpols, i);
-
- /* NB: ext_cpols freed by policy_cache_set_policies */
-
- if (i <= 0)
- return i;
-
- ext_pmaps = X509_get_ext_d2i(x, NID_policy_mappings, &i, NULL);
-
- if (!ext_pmaps) {
- /* If not absent some problem with extension */
- if (i != -1)
- goto bad_cache;
- } else {
- i = policy_cache_set_mapping(x, ext_pmaps);
- if (i <= 0)
- goto bad_cache;
- }
-
- ext_any = X509_get_ext_d2i(x, NID_inhibit_any_policy, &i, NULL);
-
- if (!ext_any) {
- if (i != -1)
- goto bad_cache;
- } else if (!policy_cache_set_int(&cache->any_skip, ext_any))
- goto bad_cache;
- goto just_cleanup;
-
- bad_cache:
- x->ex_flags |= EXFLAG_INVALID_POLICY;
-
- just_cleanup:
- POLICY_CONSTRAINTS_free(ext_pcons);
- ASN1_INTEGER_free(ext_any);
- return 1;
-
-}
-
-void policy_cache_free(X509_POLICY_CACHE *cache)
-{
- if (!cache)
- return;
- policy_data_free(cache->anyPolicy);
- sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
- OPENSSL_free(cache);
-}
-
-const X509_POLICY_CACHE *policy_cache_set(X509 *x)
-{
-
- if (x->policy_cache == NULL) {
- CRYPTO_THREAD_write_lock(x->lock);
- policy_cache_new(x);
- CRYPTO_THREAD_unlock(x->lock);
- }
-
- return x->policy_cache;
-
-}
-
-X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
- const ASN1_OBJECT *id)
-{
- int idx;
- X509_POLICY_DATA tmp;
- tmp.valid_policy = (ASN1_OBJECT *)id;
- idx = sk_X509_POLICY_DATA_find(cache->data, &tmp);
- return sk_X509_POLICY_DATA_value(cache->data, idx);
-}
-
-static int policy_data_cmp(const X509_POLICY_DATA *const *a,
- const X509_POLICY_DATA *const *b)
-{
- return OBJ_cmp((*a)->valid_policy, (*b)->valid_policy);
-}
-
-static int policy_cache_set_int(long *out, ASN1_INTEGER *value)
-{
- if (value == NULL)
- return 1;
- if (value->type == V_ASN1_NEG_INTEGER)
- return 0;
- *out = ASN1_INTEGER_get(value);
- return 1;
-}
projects / openssl.git / blobdiff