Terminate charon from the Android plugin if the tunnel goes down after it was initiat...

diff --git a/src/libcharon/plugins/android/android_service.c b/src/libcharon/plugins/android/android_service.c
index e6df39b..bc2816a 100644 (file)
--- a/src/libcharon/plugins/android/android_service.c
+++ b/src/libcharon/plugins/android/android_service.c
@@ -16,6 +16,7 @@
 #include <unistd.h>
 #include <cutils/sockets.h>
 #include <cutils/properties.h>
+#include <signal.h>
 
 #include "android_service.h"
 
@@ -107,6 +108,15 @@ METHOD(listener_t, child_state_change, bool,
        return TRUE;
 }
 
+/**
+ * Callback used to shutdown the daemon
+ */
+static job_requeue_t shutdown_callback(void *data)
+{
+       kill(0, SIGTERM);
+       return JOB_REQUEUE_NONE;
+}
+
 METHOD(listener_t, child_updown, bool,
           private_android_service_t *this, ike_sa_t *ike_sa, child_sa_t *child_sa,
           bool up)
@@ -120,6 +130,20 @@ METHOD(listener_t, child_updown, bool,
                        this->public.listener.child_state_change = NULL;
                        property_set("vpn.status", "ok");
                }
+               else
+               {
+                       callback_job_t *job;
+                       /* the control socket is closed as soon as vpn.status is set to "ok"
+                        * and the daemon proxy then only checks for terminated daemons to
+                        * detect lost connections, so... */
+                       DBG1(DBG_CFG, "connection lost, raising delayed SIGTERM");
+                       /* to avoid any conflicts we send the SIGTERM not directly from this
+                        * callback, but from a different thread. we also delay it to avoid
+                        * a race condition during a regular shutdown */
+                       job = callback_job_create(shutdown_callback, NULL, NULL, NULL);
+                       charon->scheduler->schedule_job(charon->scheduler, (job_t*)job, 1);
+                       return FALSE;
+               }
        }
        return TRUE;
 }