Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/x509v3/pcy_cache.c

@@ -0,0 +1,224 @@
+/*
+ * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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;
+}