early-access version 1255

externals/libressl/crypto/x509/pcy_lib.c

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+/* $OpenBSD: pcy_lib.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"
+
+/* accessor functions */
+
+/* X509_POLICY_TREE stuff */
+
+int
+X509_policy_tree_level_count(const X509_POLICY_TREE *tree)
+{
+	if (!tree)
+		return 0;
+	return tree->nlevel;
+}
+
+X509_POLICY_LEVEL *
+X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i)
+{
+	if (!tree || (i < 0) || (i >= tree->nlevel))
+		return NULL;
+	return tree->levels + i;
+}
+
+STACK_OF(X509_POLICY_NODE) *
+X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree)
+{
+	if (!tree)
+		return NULL;
+	return tree->auth_policies;
+}
+
+STACK_OF(X509_POLICY_NODE) *
+X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree)
+{
+	if (!tree)
+		return NULL;
+	if (tree->flags & POLICY_FLAG_ANY_POLICY)
+		return tree->auth_policies;
+	else
+		return tree->user_policies;
+}
+
+/* X509_POLICY_LEVEL stuff */
+
+int
+X509_policy_level_node_count(X509_POLICY_LEVEL *level)
+{
+	int n;
+	if (!level)
+		return 0;
+	if (level->anyPolicy)
+		n = 1;
+	else
+		n = 0;
+	if (level->nodes)
+		n += sk_X509_POLICY_NODE_num(level->nodes);
+	return n;
+}
+
+X509_POLICY_NODE *
+X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i)
+{
+	if (!level)
+		return NULL;
+	if (level->anyPolicy) {
+		if (i == 0)
+			return level->anyPolicy;
+		i--;
+	}
+	return sk_X509_POLICY_NODE_value(level->nodes, i);
+}
+
+/* X509_POLICY_NODE stuff */
+
+const ASN1_OBJECT *
+X509_policy_node_get0_policy(const X509_POLICY_NODE *node)
+{
+	if (!node)
+		return NULL;
+	return node->data->valid_policy;
+}
+
+STACK_OF(POLICYQUALINFO) *
+X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node)
+{
+	if (!node)
+		return NULL;
+	return node->data->qualifier_set;
+}
+
+const X509_POLICY_NODE *
+X509_policy_node_get0_parent(const X509_POLICY_NODE *node)
+{
+	if (!node)
+		return NULL;
+	return node->parent;
+}