1 files changed, 67 insertions, 0 deletions
diff --git a/src/libstrongswan/credentials/sets/callback_cred.h b/src/libstrongswan/credentials/sets/callback_cred.h
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+++ b/src/libstrongswan/credentials/sets/callback_cred.h
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+/*
+ * Copyright (C) 2010 Martin Willi
+ * Copyright (C) 2010 revosec AG
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup callback_cred callback_cred
+ * @{ @ingroup sets
+ */
+
+#ifndef CALLBACK_CRED_H_
+#define CALLBACK_CRED_H_
+
+typedef struct callback_cred_t callback_cred_t;
+
+#include <credentials/credential_set.h>
+
+/**
+ * Callback function to get shared keys.
+ *
+ * @param type			type of requested shared key
+ * @param me			own identity
+ * @param other			other identity
+ * @param match_me		match result of own identity
+ * @param match_other	match result of other identity
+ */
+typedef shared_key_t* (*callback_cred_shared_cb_t)(
+								void *data, shared_key_type_t type,
+								identification_t *me, identification_t *other,
+								id_match_t *match_me, id_match_t *match_other);
+
+/**
+ * Generic callbcack using user specified callback functions.
+ */
+struct callback_cred_t {
+
+	/**
+	 * Implements credential_set_t.
+	 */
+	credential_set_t set;
+
+	/**
+	 * Destroy a callback_cred_t.
+	 */
+	void (*destroy)(callback_cred_t *this);
+};
+
+/**
+ * Create a callback_cred instance, for a shared key.
+ *
+ * @param cb		callback function
+ * @param data		data to pass to callback
+ */
+callback_cred_t *callback_cred_create_shared(callback_cred_shared_cb_t cb,
+											 void *data);
+
+#endif /** CALLBACK_CRED_H_ @}*/