From c1343b3278cdf99533b7902744d15969f9d6fdc1 Mon Sep 17 00:00:00 2001
From: Yves-Alexis Perez <corsac@debian.org>
Date: Wed, 2 Jan 2013 14:18:20 +0100
Subject: Imported Upstream version 5.0.1

---
 .../tnccs_20/state_machine/pb_tnc_state_machine.c  | 23 ++++++++++++++++++++++
 .../tnccs_20/state_machine/pb_tnc_state_machine.h  | 14 +++++++++++++
 2 files changed, 37 insertions(+)

(limited to 'src/libcharon/plugins/tnccs_20/state_machine')

diff --git a/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.c b/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.c
index f0cf14ac1..5e95131a8 100644
--- a/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.c
+++ b/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.c
@@ -70,6 +70,11 @@ struct private_pb_tnc_state_machine_t {
 	 */
 	bool is_server;
 
+	/**
+	 * Informs whether last received PB-TNC CDATA Batch was empty
+	 */
+	bool empty_cdata;
+
 	/**
 	 * Current PB-TNC state
 	 */
@@ -265,6 +270,22 @@ METHOD(pb_tnc_state_machine_t, send_batch, bool,
 	return TRUE;
 }
 
+METHOD(pb_tnc_state_machine_t, get_empty_cdata, bool,
+	private_pb_tnc_state_machine_t *this)
+{
+	return this->empty_cdata;
+}
+
+METHOD(pb_tnc_state_machine_t, set_empty_cdata, void,
+	private_pb_tnc_state_machine_t *this, bool empty)
+{
+	if (empty)
+	{
+		DBG2(DBG_TNC, "received empty PB-TNC CDATA batch");
+	}
+	this->empty_cdata = empty;
+}
+
 METHOD(pb_tnc_state_machine_t, destroy, void,
 	private_pb_tnc_state_machine_t *this)
 {
@@ -283,6 +304,8 @@ pb_tnc_state_machine_t* pb_tnc_state_machine_create(bool is_server)
 			.get_state = _get_state,
 			.receive_batch = _receive_batch,
 			.send_batch = _send_batch,
+			.get_empty_cdata = _get_empty_cdata,
+			.set_empty_cdata = _set_empty_cdata,
 			.destroy = _destroy,
 		},
 		.is_server = is_server,
diff --git a/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.h b/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.h
index 8076b6ded..aa317041e 100644
--- a/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.h
+++ b/src/libcharon/plugins/tnccs_20/state_machine/pb_tnc_state_machine.h
@@ -72,6 +72,20 @@ struct pb_tnc_state_machine_t {
 	 */
 	bool (*send_batch)(pb_tnc_state_machine_t *this, pb_tnc_batch_type_t type);
 
+	/**
+	 * Informs whether the last received PB-TNC CDATA Batch was empty
+	 *
+	 * @result				TRUE if last received PB-TNC CDATA Batch was empty
+	 */
+	bool (*get_empty_cdata)(pb_tnc_state_machine_t *this);
+
+	/**
+	 * Store information whether the received PB-TNC CDATA Batch was empty
+	 *
+	 * @param empty			set to TRUE if received PB-TNC CDATA Batch was empty
+	 */
+	void (*set_empty_cdata)(pb_tnc_state_machine_t *this, bool empty);
+
 	/**
 	 * Destroys a pb_tnc_state_machine_t object.
 	 */
-- 
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