ha: Skip SA for sync messages when resyncing HA segments

src/libcharon/plugins/ha/ha_cache.c

@@ -42,6 +42,11 @@ struct private_ha_cache_t {
 	 */
 	ha_socket_t *socket;
 
+	/**
+	 * Tunnel securing sync messages
+	 */
+	ha_tunnel_t *tunnel;
+
 	/**
 	 * Total number of segments
 	 */
@@ -259,6 +264,10 @@ static void rekey_segment(private_ha_cache_t *this, u_int segment)
 												charon->ike_sa_manager, TRUE);
 	while (enumerator->enumerate(enumerator, &ike_sa))
 	{
+		if (this->tunnel && this->tunnel->is_sa(this->tunnel, ike_sa))
+		{
+			continue;
+		}
 		if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED &&
 			this->kernel->get_segment(this->kernel,
 						ike_sa->get_other_host(ike_sa)) == segment)
@@ -365,7 +374,7 @@ METHOD(ha_cache_t, destroy, void,
  * See header
  */
 ha_cache_t *ha_cache_create(ha_kernel_t *kernel, ha_socket_t *socket,
-							bool sync, u_int count)
+							ha_tunnel_t *tunnel, bool sync, u_int count)
 {
 	private_ha_cache_t *this;
 
@@ -379,6 +388,7 @@ ha_cache_t *ha_cache_create(ha_kernel_t *kernel, ha_socket_t *socket,
 		.count = count,
 		.kernel = kernel,
 		.socket = socket,
+		.tunnel = tunnel,
 		.cache = hashtable_create(hashtable_hash_ptr, hashtable_equals_ptr, 8),
 		.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
 	);

src/libcharon/plugins/ha/ha_cache.h

@@ -73,6 +73,6 @@ struct ha_cache_t {
  * @param count			total number of segments
  */
 ha_cache_t *ha_cache_create(ha_kernel_t *kernel, ha_socket_t *socket,
-							bool resync, u_int count);
+							ha_tunnel_t *tunnel, bool resync, u_int count);
 
 #endif /** HA_CACHE_H_ @}*/

src/libcharon/plugins/ha/ha_plugin.c

@@ -137,7 +137,8 @@ static bool initialize_plugin(private_ha_plugin_t *this)
 	this->kernel = ha_kernel_create(count);
 	this->segments = ha_segments_create(this->socket, this->kernel, this->tunnel,
 							count, strcmp(local, remote) > 0, monitor);
-	this->cache = ha_cache_create(this->kernel, this->socket, resync, count);
+	this->cache = ha_cache_create(this->kernel, this->socket, this->tunnel,
+								  resync, count);
 	if (fifo)
 	{
 		this->ctl = ha_ctl_create(this->segments, this->cache);