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authorAndreas Steffen <andreas.steffen@strongswan.org>2015-03-20 22:01:46 +0100
committerAndreas Steffen <andreas.steffen@strongswan.org>2015-03-23 22:25:42 +0100
commit80322d2cee75bfe804e9c427ada07898c9a8ef9f (patch)
treee90179c05e7dfa410d32159c9c967442dd7e837f /src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h
parente64ddb5daf89a48fe0054bab2aa6163a1e21aa73 (diff)
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Split IF-TNCCS 2.0 protocol processing into separate TNC client and server handlers
Diffstat (limited to 'src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h')
-rw-r--r--src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h b/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h
new file mode 100644
index 000000000..9eb642108
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_20/tnccs_20_handler.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2015 Andreas Steffen
+ * HSR 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.
+ */
+
+/**
+ * @defgroup tnccs_20_handler_h tnccs_20_handler
+ * @{ @ingroup tnccs_20_handler
+ */
+
+#ifndef TNCCS_20_HANDLER_H_
+#define TNCCS_20_HANDLER_H_
+
+#include <library.h>
+
+#include "batch/pb_tnc_batch.h"
+#include "messages/pb_tnc_msg.h"
+
+typedef struct tnccs_20_handler_t tnccs_20_handler_t;
+
+/**
+ * Interface for an IF-TNCCS 2.0 protocol handler
+ */
+struct tnccs_20_handler_t {
+
+ /**
+ * Process content of received PB-TNC batch
+ *
+ * @param batch PB-TNC batch to be processed
+ * @return status
+ */
+ status_t (*process)(tnccs_20_handler_t *this, pb_tnc_batch_t *batch);
+
+ /**
+ * Build PB-TNC batch to be sent
+ *
+ * @param buf buffer to write PB-TNC batch to
+ * @param buflen size of buffer, receives bytes written
+ * @param msglen receives size of all PB-TNCH batch
+ * @return status
+ */
+ status_t (*build)(tnccs_20_handler_t *this, void *buf, size_t *buflen,
+ size_t *msglen);
+
+ /**
+ * Put the IMCs or IMVs into the handshake state
+ */
+ void (*begin_handshake)(tnccs_20_handler_t *this);
+
+ /**
+ * Indicates if IMCs or IMVs are allowed to send PA-TNC messages
+ *
+ * @return TRUE if allowed to send
+ */
+ bool (*get_send_flag)(tnccs_20_handler_t *this);
+
+ /**
+ * Add a PB-PA message to the handler's message queue
+ *
+ * @param msg PB-PA message to be added
+ */
+ void (*add_msg)(tnccs_20_handler_t *this, pb_tnc_msg_t *msg);
+
+ /**
+ * Handle errors that occurred during PB-TNC batch header processing
+ *
+ * @param batch batch where a fatal error occured
+ */
+ void (*handle_errors)(tnccs_20_handler_t *this, pb_tnc_batch_t *batch);
+
+ /**
+ * Destroys a tnccs_20_handler_t object.
+ */
+ void (*destroy)(tnccs_20_handler_t *this);
+};
+
+#endif /** TNCCS_20_HANDLER_H_ @}*/