diff options
Diffstat (limited to 'src/leap/eip/openvpnconnection.py')
-rw-r--r-- | src/leap/eip/openvpnconnection.py | 63 |
1 files changed, 52 insertions, 11 deletions
diff --git a/src/leap/eip/openvpnconnection.py b/src/leap/eip/openvpnconnection.py index 14839f6b..d93bc40f 100644 --- a/src/leap/eip/openvpnconnection.py +++ b/src/leap/eip/openvpnconnection.py @@ -168,24 +168,58 @@ to be triggered for each one of them. for process in psutil.get_process_list(): if process.name == "openvpn": logger.debug('an openvpn instance is already running.') - raise eip_exceptions.OpenVPNAlreadyRunning + logger.debug('attempting to stop openvpn instance.') + if not self._stop(): + raise eip_exceptions.OpenVPNAlreadyRunning logger.debug('no openvpn instance found.') def cleanup(self): """ - terminates child subprocess + terminates openvpn child subprocess """ - # XXX we should send a quit process using management - # interface. if self.subp: - try: - self.subp.terminate() - except OSError: - logger.error('cannot terminate subprocess!' + self._stop() + RETCODE = self.subp.wait() + if RETCODE: + logger.error('cannot terminate subprocess! ' '(maybe openvpn still running?)') - # + def _stop(self): + """ + stop openvpn process + """ + logger.debug("disconnecting...") + self._send_command("signal SIGTERM\n") + + if self.subp: + return True + + #shutting openvpn failured + #try patching in old openvpn host and trying again + process = self._get_openvpn_process() + if process: + self.host = \ + process.cmdline[process.cmdline.index("--management") + 1] + self._send_command("signal SIGTERM\n") + + #make sure the process was terminated + process = self._get_openvpn_process() + if not process: + logger.debug("Exisiting OpenVPN Process Terminated") + return True + else: + logger.error("Unable to terminate exisiting OpenVPN Process.") + return False + + return True + + def _get_openvpn_process(self): + for process in psutil.get_process_list(): + if process.name == "openvpn": + return process + return None + # management methods # # XXX REVIEW-ME @@ -221,9 +255,16 @@ to be triggered for each one of them. """ Read as much as available. Position seek pointer to end of stream """ - b = self.tn.read_eager() - while b: + try: b = self.tn.read_eager() + except EOFError: + logger.debug("Could not read from socket. Assuming it died.") + return + while b: + try: + b = self.tn.read_eager() + except EOFError: + logger.debug("Could not read from socket. Assuming it died.") def connected(self): """ |