IKEv1 XAUTH: Added ability to configure XAUTH+PSK. Added task to handle XAUTH requests. Modified task_manager_v1 to enable it to initiate new tasks immediately after finishing a response.

src/libcharon/sa/ike_sa.c

@@ -46,6 +46,7 @@
 #include <sa/tasks/child_rekey.h>
 #include <sa/tasks/main_mode.h>
 #include <sa/tasks/quick_mode.h>
+#include <sa/tasks/xauth_request.h>
 #include <processing/jobs/retransmit_job.h>
 #include <processing/jobs/delete_ike_sa_job.h>
 #include <processing/jobs/send_dpd_job.h>
@@ -2128,6 +2129,15 @@ METHOD(ike_sa_t, destroy, void,
 	free(this);
 }
 
+METHOD(ike_sa_t, initiate_xauth, void,
+			 private_ike_sa_t *this)
+{
+	xauth_request_t *xauth_request_task = xauth_request_create(this, TRUE);
+	this->task_manager->queue_task(this->task_manager, (task_t*)xauth_request_task);
+
+	this->task_manager->initiate_later(this->task_manager);
+}
+
 /*
  * Described in header.
  */