diff options
| -rw-r--r-- | src/leap/services/eip/vpnlaunchers.py | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/src/leap/services/eip/vpnlaunchers.py b/src/leap/services/eip/vpnlaunchers.py index ef73ed94..01ec42cf 100644 --- a/src/leap/services/eip/vpnlaunchers.py +++ b/src/leap/services/eip/vpnlaunchers.py @@ -220,7 +220,11 @@ class LinuxVPNLauncher(VPNLauncher): # We assume this is there by our openvpn dependency, and # we will put it there on the bundle too. # TODO adapt to the bundle path. - OPENVPN_DOWN_ROOT = "/usr/lib/openvpn/openvpn-plugin-down-root.so" + OPENVPN_DOWN_ROOT_BASE = "/usr/lib/openvpn/" + OPENVPN_DOWN_ROOT_FILE = "openvpn-plugin-down-root.so" + OPENVPN_DOWN_ROOT_PATH = "%s/%s" % ( + OPENVPN_DOWN_ROOT_BASE, + OPENVPN_DOWN_ROOT_FILE) POLKIT_BASE = "/usr/share/polkit-1/actions" POLKIT_FILE = "net.openvpn.gui.leap.policy" @@ -267,6 +271,30 @@ class LinuxVPNLauncher(VPNLauncher): logger.warning("System has no pkexec") raise EIPNoPkexecAvailable() + @classmethod + def maybe_down_plugin(kls): + """ + Returns the path of the openvpn down-root-plugin, searching first + in the relative path for the standalone bundle, and then in the system + path where the debian package puts it. + + :returns: the path where the plugin was found, or None + :rtype: str or None + """ + cwd = os.getcwd() + rel_path_in_bundle = os.path.join( + 'apps', 'eip', 'files', kls.OPENVPN_DOWN_ROOT_FILE) + abs_path_in_bundle = os.path.join(cwd, rel_path_in_bundle) + if os.path.isfile(abs_path_in_bundle): + return abs_path_in_bundle + abs_path_in_system = kls.OPENVPN_DOWN_ROOT_FILE + if os.path.isfile(abs_path_in_system): + return abs_path_in_system + + logger.warning("We could not find the down-root-plugin, so no updown " + "scripts will be run. DNS leaks are likely!") + return None + def get_vpn_command(self, eipconfig=None, providerconfig=None, socket_host=None, socket_port="unix"): """ @@ -348,7 +376,7 @@ class LinuxVPNLauncher(VPNLauncher): '--group', grp.getgrgid(os.getgroups()[-1]).gr_name ] - if socket_port == "unix": + if socket_port == "unix": # that's always the case for linux args += [ '--management-client-user', getpass.getuser() ] @@ -359,11 +387,17 @@ class LinuxVPNLauncher(VPNLauncher): '--script-security', '2' ] - if _has_updown_scripts(self.UP_DOWN_PATH): + plugin_path = self.maybe_down_plugin() + # If we do not have the down plugin neither in the bundle + # nor in the system, we do not do updown scripts. The alternative + # is leaving the user without the ability to restore dns and routes + # to its original state. + + if plugin_path and _has_updown_scripts(self.UP_DOWN_PATH): args += [ '--up', self.UP_DOWN_PATH, '--down', self.UP_DOWN_PATH, - '--plugin', self.OPENVPN_DOWN_ROOT, + '--plugin', plugin_path, '\'script_type=down %s\'' % self.UP_DOWN_PATH ] |