Raise a bus alert when IKE message body parsing fails

src/libcharon/bus/bus.h

@@ -96,6 +96,9 @@ enum alert_t {
 	ALERT_INVALID_IKE_SPI,
 	/** received IKE message with invalid header, argument is message_t* */
 	ALERT_PARSE_ERROR_HEADER,
+	/** received IKE message with invalid body, argument is message_t*,
+	 *  followed by a status_t result returned by message_t.parse_body(). */
+	ALERT_PARSE_ERROR_BODY,
 };
 
 /**

src/libcharon/sa/ikev1/task_manager_v1.c

@@ -1076,6 +1076,8 @@ static status_t parse_message(private_task_manager_t *this, message_t *msg)
 			 msg->get_request(msg) ? "request" : "response",
 			 msg->get_message_id(msg));
 
+		charon->bus->alert(charon->bus, ALERT_PARSE_ERROR_BODY, msg, status);
+
 		if (this->ike_sa->get_state(this->ike_sa) == IKE_CREATED)
 		{	/* invalid initiation attempt, close SA */
 			return DESTROY_ME;

src/libcharon/sa/ikev2/task_manager_v2.c

@@ -1045,6 +1045,8 @@ static status_t parse_message(private_task_manager_t *this, message_t *msg)
 			 is_request ? "request" : "response",
 			 msg->get_message_id(msg));
 
+		charon->bus->alert(charon->bus, ALERT_PARSE_ERROR_BODY, msg, status);
+
 		if (this->ike_sa->get_state(this->ike_sa) == IKE_CREATED)
 		{	/* invalid initiation attempt, close SA */
 			return DESTROY_ME;