--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/x509v3/pcy_node.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,158 @@
+/* pcy_node.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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/asn1.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+#include "pcy_int.h"
+
+static int node_cmp(const X509_POLICY_NODE * const *a,
+			const X509_POLICY_NODE * const *b)
+	{
+	return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
+	}
+
+EXPORT_C STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
+	{
+	return sk_X509_POLICY_NODE_new(node_cmp);
+	}
+
+EXPORT_C X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
+					const ASN1_OBJECT *id)
+	{
+	X509_POLICY_DATA n;
+	X509_POLICY_NODE l;
+	int idx;
+
+	n.valid_policy = (ASN1_OBJECT *)id;
+	l.data = &n;
+
+	idx = sk_X509_POLICY_NODE_find(nodes, &l);
+	if (idx == -1)
+		return NULL;
+
+	return sk_X509_POLICY_NODE_value(nodes, idx);
+
+	}
+
+EXPORT_C X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
+					const ASN1_OBJECT *id)
+	{
+	return tree_find_sk(level->nodes, id);
+	}
+
+EXPORT_C X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
+			X509_POLICY_DATA *data,
+			X509_POLICY_NODE *parent,
+			X509_POLICY_TREE *tree)
+	{
+	X509_POLICY_NODE *node;
+	node = OPENSSL_malloc(sizeof(X509_POLICY_NODE));
+	if (!node)
+		return NULL;
+	node->data = data;
+	node->parent = parent;
+	node->nchild = 0;
+	if (level)
+		{
+		if (OBJ_obj2nid(data->valid_policy) == NID_any_policy)
+			{
+			if (level->anyPolicy)
+				goto node_error;
+			level->anyPolicy = node;
+			}
+		else
+			{
+
+			if (!level->nodes)
+				level->nodes = policy_node_cmp_new();
+			if (!level->nodes)
+				goto node_error;
+			if (!sk_X509_POLICY_NODE_push(level->nodes, node))
+				goto node_error;
+			}
+		}
+
+	if (tree)
+		{
+		if (!tree->extra_data)
+			 tree->extra_data = sk_X509_POLICY_DATA_new_null();
+		if (!tree->extra_data)
+			goto node_error;
+		if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
+			goto node_error;
+		}
+
+	if (parent)
+		parent->nchild++;
+
+	return node;
+
+	node_error:
+	policy_node_free(node);
+	return 0;
+
+	}
+
+EXPORT_C void policy_node_free(X509_POLICY_NODE *node)
+	{
+	OPENSSL_free(node);
+	}
+
+