Reset resolver cache when connection has been established #1940

1 files changed, 11 insertions, 0 deletions

diff --git a/src/jarabe/model/network.py b/src/jarabe/model/network.py
index 66d86d8..79e4360 100644
--- a/src/jarabe/model/network.py
+++ b/src/jarabe/model/network.py
@@ -28,6 +28,7 @@ import dbus.service
 import gobject
 import ConfigParser
 import gconf
+import ctypes
 
 from sugar import dispatch
 from sugar import env
@@ -546,6 +547,16 @@ class NMSettingsConnection(dbus.service.Object):
                 if self._settings.connection.type == NM_CONNECTION_TYPE_802_11_WIRELESS:
                     self.save()
 
+        try:
+            # try to flush resolver cache - SL#1940
+            # ctypes' syntactic sugar does not work
+            # so we must get the func ptr explicitly
+            libc = ctypes.CDLL('libc.so.6')
+            res_init = getattr(libc, '__res_init')
+            res_init(None)
+        except:
+            logging.exception('Error calling libc.__res_init')
+
     def set_secrets(self, secrets):
         self._secrets = secrets
         if self._settings.connection.type == NM_CONNECTION_TYPE_802_11_WIRELESS: