Properly daemonize the call to polkit gnome authentication agent.

Closes: #3554

4 files changed, 67 insertions, 12 deletions

diff --git a/changes/bug_3554_fix-polkit-auth-agent b/changes/bug_3554_fix-polkit-auth-agent
new file mode 100644
index 00000000..9498868b
--- /dev/null
+++ b/changes/bug_3554_fix-polkit-auth-agent
@@ -0,0 +1 @@
+  o Properly daemonize polkit-gnome-authentication-agent. Closes: #3554
diff --git a/pkg/requirements.pip b/pkg/requirements.pip
index e04127b7..7d0f79af 100644
--- a/pkg/requirements.pip
+++ b/pkg/requirements.pip
@@ -16,6 +16,7 @@ ipaddr
 twisted
 qt4reactor
 python-gnupg
+python-daemon # this should not be needed for Windows.
 
 leap.common>=0.3.0
 leap.soledad.client>=0.3.0
diff --git a/src/leap/bitmask/services/eip/vpnlaunchers.py b/src/leap/bitmask/services/eip/vpnlaunchers.py
index 5921882b..7ee54342 100644
--- a/src/leap/bitmask/services/eip/vpnlaunchers.py
+++ b/src/leap/bitmask/services/eip/vpnlaunchers.py
@@ -23,8 +23,8 @@ import logging
 import getpass
 import os
 import platform
-import subprocess
 import stat
+import subprocess
 try:
     import grp
 except ImportError:
@@ -34,6 +34,7 @@ from abc import ABCMeta, abstractmethod
 from functools import partial
 
 from leap.bitmask.config.leapsettings import LeapSettings
+
 from leap.bitmask.config.providerconfig import ProviderConfig
 from leap.bitmask.services.eip.eipconfig import EIPConfig, VPNGatewaySelector
 from leap.bitmask.util import first
@@ -218,19 +219,19 @@ def _is_auth_agent_running():
     return any(is_running)
 
 
-def _try_to_launch_agent():
+def _try_to_launch_agent(standalone=False):
     """
     Tries to launch a polkit daemon.
     """
-    opts = [
-        "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1",
-        # XXX add kde thing here
-    ]
-    for cmd in opts:
-        try:
-            subprocess.Popen([cmd], shell=True)
-        except:
-            pass
+    env = None
+    if standalone is True:
+        env = {
+            "PYTHONPATH": os.path.abspath('../../../../lib/')}
+    try:
+        subprocess.call(["python", "-m", "leap.bitmask.util.polkit_agent"],
+                        shell=True, env=env)
+    except Exception as exc:
+        logger.exception(exc)
 
 
 class LinuxVPNLauncher(VPNLauncher):
@@ -314,7 +315,7 @@ class LinuxVPNLauncher(VPNLauncher):
         """
         if _is_pkexec_in_system():
             if not _is_auth_agent_running():
-                _try_to_launch_agent()
+                _try_to_launch_agent(ProviderConfig.standalone)
             if _is_auth_agent_running():
                 pkexec_possibilities = which(kls.PKEXEC_BIN)
                 leap_assert(len(pkexec_possibilities) > 0,
diff --git a/src/leap/bitmask/util/polkit_agent.py b/src/leap/bitmask/util/polkit_agent.py
new file mode 100644
index 00000000..a4650273
--- /dev/null
+++ b/src/leap/bitmask/util/polkit_agent.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+# polkit_agent.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Daemonizes polkit authentication agent.
+"""
+import logging
+import subprocess
+
+import daemon
+
+logger = logging.getLogger(__name__)
+
+BASE_PATH = "/usr/lib/policykit-1-gnome/"\
+            + "polkit-%s-authentication-agent-1"
+
+GNOME_PATH = BASE_PATH % ("gnome",)
+KDE_PATH = BASE_PATH % ("kde",)
+
+
+def _launch_agent():
+    logger.debug('Launching polkit auth agent')
+    print "launching polkit"
+    try:
+        subprocess.call(GNOME_PATH)
+    except Exception as exc:
+        try:
+            subprocess.call(KDE_PATH)
+        except Exception as exc:
+            logger.error('Exception while running polkit authentication agent '
+                         '%s' % (exc,))
+
+
+def launch():
+    with daemon.DaemonContext():
+        _launch_agent()
+
+if __name__ == "__main__":
+    launch()