1 files changed, 126 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/pcy_map.c b/src/lib/libcrypto/x509/pcy_map.c
new file mode 100644
index 0000000000..287a430c2c
--- /dev/null
+++ b/src/lib/libcrypto/x509/pcy_map.c
@@ -0,0 +1,126 @@
+/* $OpenBSD: pcy_map.c,v 1.1 2020/06/04 15:19:31 jsing Exp $ */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+#include "pcy_int.h"
+
+/* Set policy mapping entries in cache.
+ * Note: this modifies the passed POLICY_MAPPINGS structure
+ */
+
+int
+policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
+{
+        POLICY_MAPPING *map;
+        X509_POLICY_DATA *data;
+        X509_POLICY_CACHE *cache = x->policy_cache;
+        int i;
+        int ret = 0;
+
+        if (sk_POLICY_MAPPING_num(maps) == 0) {
+                ret = -1;
+                goto bad_mapping;
+        }
+        for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
+                map = sk_POLICY_MAPPING_value(maps, i);
+                /* Reject if map to or from anyPolicy */
+                if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy) ||
+                    (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
+                        ret = -1;
+                        goto bad_mapping;
+                }
+
+                /* Attempt to find matching policy data */
+                data = policy_cache_find_data(cache, map->issuerDomainPolicy);
+                /* If we don't have anyPolicy can't map */
+                if (!data && !cache->anyPolicy)
+                        continue;
+
+                /* Create a NODE from anyPolicy */
+                if (!data) {
+                        data = policy_data_new(NULL, map->issuerDomainPolicy,
+                            cache->anyPolicy->flags &
+                            POLICY_DATA_FLAG_CRITICAL);
+                        if (!data)
+                                goto bad_mapping;
+                        data->qualifier_set = cache->anyPolicy->qualifier_set;
+                        /*map->issuerDomainPolicy = NULL;*/
+                        data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
+                        data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
+                        if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
+                                policy_data_free(data);
+                                goto bad_mapping;
+                        }
+                } else
+                        data->flags |= POLICY_DATA_FLAG_MAPPED;
+                if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
+                    map->subjectDomainPolicy))
+                        goto bad_mapping;
+                map->subjectDomainPolicy = NULL;
+        }
+
+        ret = 1;
+
+bad_mapping:
+        if (ret == -1)
+                x->ex_flags |= EXFLAG_INVALID_POLICY;
+        sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
+        return ret;
+}