Imported Upstream version 5.0.3

1 files changed, 100 insertions, 0 deletions

diff --git a/src/libstrongswan/resolver/rr_set.c b/src/libstrongswan/resolver/rr_set.c
new file mode 100644
index 000000000..dea5c4086
--- /dev/null
+++ b/src/libstrongswan/resolver/rr_set.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2012 Reto Guadagnini
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "rr_set.h"
+
+#include <library.h>
+#include <utils/debug.h>
+
+typedef struct private_rr_set_t private_rr_set_t;
+
+/**
+* private data of the rr_set
+*/
+struct private_rr_set_t {
+
+	/**
+	 * public functions
+	 */
+	rr_set_t public;
+
+	/**
+	 * List of Resource Records which form the RRset
+	 */
+	linked_list_t *rr_list;
+
+	/**
+	 * List of the signatures (RRSIGs) of the Resource Records contained in
+	 * this set
+	 */
+	linked_list_t *rrsig_list;
+};
+
+METHOD(rr_set_t, create_rr_enumerator, enumerator_t*,
+	private_rr_set_t *this)
+{
+	return this->rr_list->create_enumerator(this->rr_list);
+}
+
+METHOD(rr_set_t, create_rrsig_enumerator, enumerator_t*,
+	private_rr_set_t *this)
+{
+	if (this->rrsig_list)
+	{
+		return this->rrsig_list->create_enumerator(this->rrsig_list);
+	}
+	return NULL;
+}
+
+METHOD(rr_set_t, destroy, void,
+	private_rr_set_t *this)
+{
+	this->rr_list->destroy_offset(this->rr_list,
+								  offsetof(rr_t, destroy));
+	if (this->rrsig_list)
+	{
+		this->rrsig_list->destroy_offset(this->rrsig_list,
+										 offsetof(rr_t, destroy));
+	}
+	free(this);
+}
+
+/*
+ * see header
+ */
+rr_set_t *rr_set_create(linked_list_t *list_of_rr, linked_list_t *list_of_rrsig)
+{
+	private_rr_set_t *this;
+
+	INIT(this,
+		.public = {
+			.create_rr_enumerator = _create_rr_enumerator,
+			.create_rrsig_enumerator = _create_rrsig_enumerator,
+			.destroy = _destroy,
+		},
+	);
+
+	if (list_of_rr == NULL)
+	{
+		DBG1(DBG_LIB, "could not create a rr_set without a list_of_rr");
+		_destroy(this);
+		return NULL;
+	}
+	this->rr_list = list_of_rr;
+	this->rrsig_list = list_of_rrsig;
+
+	return &this->public;
+}
+