android: Unregister listener in case of error alerts

This avoids triggering additional errors via e.g. ike_updown() that
might cause the error message displayed in the GUI to change if the
status fragment is recreated.

References #2134.

diff --git a/src/frontends/android/app/src/main/jni/libandroidbridge/backend/android_service.c b/src/frontends/android/app/src/main/jni/libandroidbridge/backend/android_service.c
index e5ecfdad75944e9ae93605d9b93f6d464f7151df..33585df3223feab2be3b2182f22f0157f8d953e2 100644 (file)
--- a/src/frontends/android/app/src/main/jni/libandroidbridge/backend/android_service.c
+++ b/src/frontends/android/app/src/main/jni/libandroidbridge/backend/android_service.c
@@ -550,6 +550,8 @@ METHOD(listener_t, alert, bool,
        private_android_service_t *this, ike_sa_t *ike_sa, alert_t alert,
        va_list args)
 {
+       bool stay_registered = TRUE;
+
        if (this->ike_sa == ike_sa)
        {
                switch (alert)
@@ -557,11 +559,13 @@ METHOD(listener_t, alert, bool,
                        case ALERT_PEER_ADDR_FAILED:
                                charonservice->update_status(charonservice,
                                                                                         CHARONSERVICE_LOOKUP_ERROR);
-                               break;
+                               return FALSE;
+
                        case ALERT_PEER_AUTH_FAILED:
                                charonservice->update_status(charonservice,
                                                                                         CHARONSERVICE_PEER_AUTH_ERROR);
-                               break;
+                               return FALSE;
+
                        case ALERT_KEEP_ON_CHILD_SA_FAILURE:
                        {
                                uint32_t *id = malloc_thing(uint32_t);
@@ -593,6 +597,7 @@ METHOD(listener_t, alert, bool,
                                                (job_t*)callback_job_create_with_prio(
                                                        (callback_job_cb_t)terminate, id, free,
                                                        (callback_job_cancel_t)return_false, JOB_PRIO_HIGH));
+                                       stay_registered = FALSE;
                                }
                                else
                                {
@@ -609,6 +614,7 @@ METHOD(listener_t, alert, bool,
                                        {
                                                charonservice->update_status(charonservice,
                                                                                        CHARONSERVICE_UNREACHABLE_ERROR);
+                                               stay_registered = FALSE;
                                        }
                                }
                                this->lock->unlock(this->lock);
@@ -617,7 +623,7 @@ METHOD(listener_t, alert, bool,
                                break;
                }
        }
-       return TRUE;
+       return stay_registered;
 }
 
 static void add_auth_cfg_pw(private_android_service_t *this,