From 5ff29dc57e2877a14e705d09b7042cddf4165d0a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= Date: Wed, 6 Mar 2013 15:27:23 -0300 Subject: Remove everything to start from scratch --- src/leap/eip/eipconnection.py | 405 ------------------------------------------ 1 file changed, 405 deletions(-) delete mode 100644 src/leap/eip/eipconnection.py (limited to 'src/leap/eip/eipconnection.py') diff --git a/src/leap/eip/eipconnection.py b/src/leap/eip/eipconnection.py deleted file mode 100644 index d012c567..00000000 --- a/src/leap/eip/eipconnection.py +++ /dev/null @@ -1,405 +0,0 @@ -""" -EIP Connection Class -""" -from __future__ import (absolute_import,) -import logging -import Queue -import sys -import time - -from dateutil.parser import parse as dateparse - -from leap.eip.checks import ProviderCertChecker -from leap.eip.checks import EIPConfigChecker -from leap.eip import config as eipconfig -from leap.eip import exceptions as eip_exceptions -from leap.eip.openvpnconnection import OpenVPNConnection - -logger = logging.getLogger(name=__name__) - - -class StatusMixIn(object): - - # a bunch of methods related with querying the connection - # state/status and displaying useful info. - # Needs to get clear on what is what, and - # separate functions. - # Should separate EIPConnectionStatus (self.status) - # from the OpenVPN state/status command and parsing. - - ERR_CONNREFUSED = False - - def connection_state(self): - """ - returns the current connection state - """ - return self.status.current - - def get_icon_name(self): - """ - get icon name from status object - """ - return self.status.get_state_icon() - - def get_leap_status(self): - return self.status.get_leap_status() - - def poll_connection_state(self): - """ - """ - try: - state = self.get_connection_state() - except eip_exceptions.ConnectionRefusedError: - # connection refused. might be not ready yet. - if not self.ERR_CONNREFUSED: - logger.warning('connection refused') - self.ERR_CONNREFUSED = True - return - if not state: - #logger.debug('no state') - return - (ts, status_step, - ok, ip, remote) = state - self.status.set_vpn_state(status_step) - status_step = self.status.get_readable_status() - return (ts, status_step, ok, ip, remote) - - def make_error(self): - """ - capture error and wrap it in an - understandable format - """ - # mostly a hack to display errors in the debug UI - # w/o breaking the polling. - #XXX get helpful error codes - self.with_errors = True - now = int(time.time()) - return '%s,LAUNCHER ERROR,ERROR,-,-' % now - - def state(self): - """ - Sends OpenVPN command: state - """ - state = self._send_command("state") - if not state: - return None - if isinstance(state, str): - return state - if isinstance(state, list): - if len(state) == 1: - return state[0] - else: - return state[-1] - - def vpn_status(self): - """ - OpenVPN command: status - """ - status = self._send_command("status") - return status - - def vpn_status2(self): - """ - OpenVPN command: last 2 statuses - """ - return self._send_command("status 2") - - # - # parse info as the UI expects - # - - def get_status_io(self): - status = self.vpn_status() - if isinstance(status, str): - lines = status.split('\n') - if isinstance(status, list): - lines = status - try: - (header, when, tun_read, tun_write, - tcp_read, tcp_write, auth_read) = tuple(lines) - except ValueError: - return None - - when_ts = dateparse(when.split(',')[1]).timetuple() - sep = ',' - # XXX clean up this! - tun_read = tun_read.split(sep)[1] - tun_write = tun_write.split(sep)[1] - tcp_read = tcp_read.split(sep)[1] - tcp_write = tcp_write.split(sep)[1] - auth_read = auth_read.split(sep)[1] - - # XXX this could be a named tuple. prettier. - return when_ts, (tun_read, tun_write, tcp_read, tcp_write, auth_read) - - def get_connection_state(self): - state = self.state() - if state is not None: - ts, status_step, ok, ip, remote = state.split(',') - ts = time.gmtime(float(ts)) - # XXX this could be a named tuple. prettier. - return ts, status_step, ok, ip, remote - - -class EIPConnection(OpenVPNConnection, StatusMixIn): - """ - Aka conductor. - Manages the execution of the OpenVPN process, auto starts, monitors the - network connection, handles configuration, fixes leaky hosts, handles - errors, etc. - Status updates (connected, bandwidth, etc) are signaled to the GUI. - """ - - # XXX change name to EIPConductor ?? - - def __init__(self, - provider_cert_checker=ProviderCertChecker, - config_checker=EIPConfigChecker, - *args, **kwargs): - #self.settingsfile = kwargs.get('settingsfile', None) - #self.logfile = kwargs.get('logfile', None) - self.provider = kwargs.pop('provider', None) - self._providercertchecker = provider_cert_checker - self._configchecker = config_checker - - self.error_queue = Queue.Queue() - - status_signals = kwargs.pop('status_signals', None) - self.status = EIPConnectionStatus(callbacks=status_signals) - - checker_signals = kwargs.pop('checker_signals', None) - self.checker_signals = checker_signals - - self.init_checkers() - - host = eipconfig.get_socket_path() - kwargs['host'] = host - - super(EIPConnection, self).__init__(*args, **kwargs) - - def connect(self, **kwargs): - """ - entry point for connection process - """ - # in OpenVPNConnection - self.try_openvpn_connection() - - def disconnect(self, shutdown=False): - """ - disconnects client - """ - self.terminate_openvpn_connection(shutdown=shutdown) - self.status.change_to(self.status.DISCONNECTED) - - def has_errors(self): - return True if self.error_queue.qsize() != 0 else False - - def init_checkers(self): - """ - initialize checkers - """ - self.provider_cert_checker = self._providercertchecker( - domain=self.provider) - self.config_checker = self._configchecker(domain=self.provider) - - def set_provider_domain(self, domain): - """ - sets the provider domain. - used from the first run wizard when we launch the run_checks - and connect process after having initialized the conductor. - """ - # This looks convoluted, right. - # We have to reinstantiate checkers cause we're passing - # the domain param that we did not know at the beginning - # (only for the firstrunwizard case) - self.provider = domain - self.init_checkers() - - def run_checks(self, skip_download=False, skip_verify=False): - """ - run all eip checks previous to attempting a connection - """ - logger.debug('running conductor checks') - - def push_err(exc): - # keep the original traceback! - exc_traceback = sys.exc_info()[2] - self.error_queue.put((exc, exc_traceback)) - - try: - # network (1) - if self.checker_signals: - for signal in self.checker_signals: - signal('checking encryption keys') - self.provider_cert_checker.run_all(skip_verify=skip_verify) - except Exception as exc: - push_err(exc) - try: - if self.checker_signals: - for signal in self.checker_signals: - signal('checking provider config') - self.config_checker.run_all(skip_download=skip_download) - except Exception as exc: - push_err(exc) - try: - self.run_openvpn_checks() - except Exception as exc: - push_err(exc) - - -class EIPConnectionStatus(object): - """ - Keep track of client (gui) and openvpn - states. - - These are the OpenVPN states: - CONNECTING -- OpenVPN's initial state. - WAIT -- (Client only) Waiting for initial response - from server. - AUTH -- (Client only) Authenticating with server. - GET_CONFIG -- (Client only) Downloading configuration options - from server. - ASSIGN_IP -- Assigning IP address to virtual network - interface. - ADD_ROUTES -- Adding routes to system. - CONNECTED -- Initialization Sequence Completed. - RECONNECTING -- A restart has occurred. - EXITING -- A graceful exit is in progress. - - We add some extra states: - - DISCONNECTED -- GUI initial state. - UNRECOVERABLE -- An unrecoverable error has been raised - while invoking openvpn service. - """ - CONNECTING = 1 - WAIT = 2 - AUTH = 3 - GET_CONFIG = 4 - ASSIGN_IP = 5 - ADD_ROUTES = 6 - CONNECTED = 7 - RECONNECTING = 8 - EXITING = 9 - - # gui specific states: - UNRECOVERABLE = 11 - DISCONNECTED = 0 - - def __init__(self, callbacks=None): - """ - EIPConnectionStatus is initialized with a tuple - of signals to be triggered. - :param callbacks: a tuple of (callable) observers - :type callbacks: tuple - """ - self.current = self.DISCONNECTED - self.previous = None - # (callbacks to connect to signals in Qt-land) - self.callbacks = callbacks - - def get_readable_status(self): - # XXX DRY status / labels a little bit. - # think we'll want to i18n this. - human_status = { - 0: 'disconnected', - 1: 'connecting', - 2: 'waiting', - 3: 'authenticating', - 4: 'getting config', - 5: 'assigning ip', - 6: 'adding routes', - 7: 'connected', - 8: 'reconnecting', - 9: 'exiting', - 11: 'unrecoverable error', - } - return human_status[self.current] - - def get_leap_status(self): - # XXX improve nomenclature - leap_status = { - 0: 'disconnected', - 1: 'connecting to gateway', - 2: 'connecting to gateway', - 3: 'authenticating', - 4: 'establishing network encryption', - 5: 'establishing network encryption', - 6: 'establishing network encryption', - 7: 'connected', - 8: 'reconnecting', - 9: 'exiting', - 11: 'unrecoverable error', - } - return leap_status[self.current] - - def get_state_icon(self): - """ - returns the high level icon - for each fine-grain openvpn state - """ - connecting = (self.CONNECTING, - self.WAIT, - self.AUTH, - self.GET_CONFIG, - self.ASSIGN_IP, - self.ADD_ROUTES) - connected = (self.CONNECTED,) - disconnected = (self.DISCONNECTED, - self.UNRECOVERABLE) - - # this can be made smarter, - # but it's like it'll change, - # so +readability. - - if self.current in connecting: - return "connecting" - if self.current in connected: - return "connected" - if self.current in disconnected: - return "disconnected" - - def set_vpn_state(self, status): - """ - accepts a state string from the management - interface, and sets the internal state. - :param status: openvpn STATE (uppercase). - :type status: str - """ - if hasattr(self, status): - self.change_to(getattr(self, status)) - - def set_current(self, to): - """ - setter for the 'current' property - :param to: destination state - :type to: int - """ - self.current = to - - def change_to(self, to): - """ - :param to: destination state - :type to: int - """ - if to == self.current: - return - changed = False - from_ = self.current - self.current = to - - # We can add transition restrictions - # here to ensure no transitions are - # allowed outside the fsm. - - self.set_current(to) - changed = True - - #trigger signals (as callbacks) - #print('current state: %s' % self.current) - if changed: - self.previous = from_ - if self.callbacks: - for cb in self.callbacks: - if callable(cb): - cb(self) -- cgit v1.2.3