charon-nm: Mark VPN connection as persistent

If this is not set, it looks like NM shuts down the VPN connection and
calls disconnect() if there is any connectivity change.

References strongswan/strongswan#2707

diff --git a/src/charon-nm/nm/nm_service.c b/src/charon-nm/nm/nm_service.c
index b920d5857f729064f2633bd722cedb4cc413e294..7c010dae2193470352e666345d6315edbb68a660 100644 (file)
--- a/src/charon-nm/nm/nm_service.c
+++ b/src/charon-nm/nm/nm_service.c
@@ -214,6 +214,10 @@ static void signal_ip_config(NMVpnServicePlugin *plugin,
 
        handler = priv->handler;
 
+       /* we can reconnect automatically if interfaces change */
+       g_variant_builder_add (&builder, "{sv}", NM_VPN_PLUGIN_CAN_PERSIST,
+                                                  g_variant_new_boolean (TRUE));
+
        /* NM apparently requires to know the gateway (it uses it to install a
         * direct route via physical interface if conflicting routes are passed) */
        other = ike_sa->get_other_host(ike_sa);