From 53fa2c134ab2c96376276aa1c0ed74db0aaba218 Mon Sep 17 00:00:00 2001 From: kali Date: Mon, 10 Dec 2012 23:20:09 +0900 Subject: get cipher config from eip-service --- src/leap/base/auth.py | 16 ++---------- src/leap/base/network.py | 20 +++++++++++---- src/leap/baseapp/mainwindow.py | 9 +++++-- src/leap/baseapp/network.py | 7 ++++-- src/leap/eip/checks.py | 7 +++++- src/leap/eip/config.py | 57 ++++++++++++++++++++++++++++++++++-------- src/leap/util/misc.py | 16 ++++++++++++ 7 files changed, 97 insertions(+), 35 deletions(-) create mode 100644 src/leap/util/misc.py (limited to 'src/leap') diff --git a/src/leap/base/auth.py b/src/leap/base/auth.py index 50533278..73856bb0 100644 --- a/src/leap/base/auth.py +++ b/src/leap/base/auth.py @@ -10,6 +10,7 @@ from PyQt4 import QtCore from leap.base import constants as baseconstants from leap.crypto import leapkeyring +from leap.util.misc import null_check from leap.util.web import get_https_domain_and_port logger = logging.getLogger(__name__) @@ -26,11 +27,6 @@ one if not. """ -class ImproperlyConfigured(Exception): - """ - """ - - class SRPAuthenticationError(Exception): """ exception raised @@ -38,14 +34,6 @@ class SRPAuthenticationError(Exception): """ -def null_check(value, value_name): - try: - assert value is not None - except AssertionError: - raise ImproperlyConfigured( - "%s parameter cannot be None" % value_name) - - safe_unhexlify = lambda x: binascii.unhexlify(x) \ if (len(x) % 2 == 0) else binascii.unhexlify('0' + x) @@ -64,7 +52,7 @@ class LeapSRPRegister(object): hashfun=srp.SHA256, ng_constant=srp.NG_1024): - null_check(provider, provider) + null_check(provider, "provider") self.schema = schema diff --git a/src/leap/base/network.py b/src/leap/base/network.py index 3aba3f61..765d8ea0 100644 --- a/src/leap/base/network.py +++ b/src/leap/base/network.py @@ -3,10 +3,11 @@ from __future__ import (print_function) import logging import threading -from leap.eip.config import get_eip_gateway +from leap.eip import config as eipconfig from leap.base.checks import LeapNetworkChecker from leap.base.constants import ROUTE_CHECK_INTERVAL from leap.base.exceptions import TunnelNotDefaultRouteError +from leap.util.misc import null_check from leap.util.coroutines import (launch_thread, process_events) from time import sleep @@ -27,11 +28,20 @@ class NetworkCheckerThread(object): lambda exc: logger.error("%s", exc.message)) self.shutdown = threading.Event() - # XXX get provider_gateway and pass it to checker - # see in eip.config for function - # #718 + # XXX get provider passed here + provider = kwargs.pop('provider', None) + null_check(provider, 'provider') + + eipconf = eipconfig.EIPConfig(domain=provider) + eipconf.load() + eipserviceconf = eipconfig.EIPServiceConfig(domain=provider) + eipserviceconf.load() + + gw = eipconfig.get_eip_gateway( + eipconfig=eipconf, + eipserviceconfig=eipserviceconf) self.checker = LeapNetworkChecker( - provider_gw=get_eip_gateway()) + provider_gw=gw) def start(self): self.process_handle = self._launch_recurrent_network_checks( diff --git a/src/leap/baseapp/mainwindow.py b/src/leap/baseapp/mainwindow.py index 8d61bf5c..65c30bff 100644 --- a/src/leap/baseapp/mainwindow.py +++ b/src/leap/baseapp/mainwindow.py @@ -61,10 +61,15 @@ class LeapWindow(QtGui.QMainWindow, logger.debug('provider: %s', self.provider_domain) logger.debug('eip_username: %s', self.eip_username) + provider = self.provider_domain EIPConductorAppMixin.__init__( - self, opts=opts, provider=self.provider_domain) + self, opts=opts, provider=provider) StatusAwareTrayIconMixin.__init__(self) - NetworkCheckerAppMixin.__init__(self) + + # XXX network checker should probably not + # trigger run_checks on init... but wait + # for ready signal instead... + NetworkCheckerAppMixin.__init__(self, provider=provider) MainWindowMixin.__init__(self) geom_key = "DebugGeometry" if self.debugmode else "Geometry" diff --git a/src/leap/baseapp/network.py b/src/leap/baseapp/network.py index 077d5164..3e57490d 100644 --- a/src/leap/baseapp/network.py +++ b/src/leap/baseapp/network.py @@ -17,11 +17,14 @@ class NetworkCheckerAppMixin(object): """ def __init__(self, *args, **kwargs): + provider = kwargs.pop('provider', None) self.network_checker = NetworkCheckerThread( error_cb=self.networkError.emit, - debug=self.debugmode) + debug=self.debugmode, + provider=provider) - # XXX move run_checks to slot + # XXX move run_checks to slot -- this definitely + # cannot start on init!!! self.network_checker.run_checks() @QtCore.pyqtSlot(object) diff --git a/src/leap/eip/checks.py b/src/leap/eip/checks.py index 116c535e..a876eea1 100644 --- a/src/leap/eip/checks.py +++ b/src/leap/eip/checks.py @@ -427,6 +427,7 @@ class EIPConfigChecker(object): return True def fetch_definition(self, skip_download=False, + force_download=False, config=None, uri=None, domain=None): """ @@ -459,6 +460,7 @@ class EIPConfigChecker(object): self.defaultprovider.save() def fetch_eip_service_config(self, skip_download=False, + force_download=False, config=None, uri=None, domain=None): if skip_download: return True @@ -469,7 +471,10 @@ class EIPConfigChecker(object): domain = self.domain or config.get('provider', None) uri = self._get_eip_service_uri(domain=domain) - self.eipserviceconfig.load(from_uri=uri, fetcher=self.fetcher) + self.eipserviceconfig.load( + from_uri=uri, + fetcher=self.fetcher, + force_download=force_download) self.eipserviceconfig.save() def check_complete_eip_config(self, config=None): diff --git a/src/leap/eip/config.py b/src/leap/eip/config.py index 8e687bda..1fe0530a 100644 --- a/src/leap/eip/config.py +++ b/src/leap/eip/config.py @@ -5,6 +5,7 @@ import tempfile from leap import __branding as BRANDING from leap import certs +from leap.util.misc import null_check from leap.util.fileutil import (which, mkdir_p, check_and_fix_urw_only) from leap.base import config as baseconfig @@ -57,30 +58,30 @@ def get_socket_path(): return socket_path -def get_eip_gateway(provider=None): +def get_eip_gateway(eipconfig=None, eipserviceconfig=None): """ return the first host in eip service config that matches the name defined in the eip.json config file. """ - placeholder = "testprovider.example.org" - # XXX check for null on provider?? + null_check(eipconfig, "eipconfig") + null_check(eipserviceconfig, "eipserviceconfig") + + PLACEHOLDER = "testprovider.example.org" - eipconfig = EIPConfig(domain=provider) - eipconfig.load() conf = eipconfig.config + eipsconf = eipserviceconfig.config primary_gateway = conf.get('primary_gateway', None) if not primary_gateway: - return placeholder + return PLACEHOLDER - eipserviceconfig = EIPServiceConfig(domain=provider) - eipserviceconfig.load() - eipsconf = eipserviceconfig.get_config() gateways = eipsconf.get('gateways', None) + if not gateways: logger.error('missing gateways in eip service config') - return placeholder + return PLACEHOLDER + if len(gateways) > 0: for gw in gateways: name = gw.get('name', None) @@ -100,6 +101,26 @@ def get_eip_gateway(provider=None): 'gateway list') +def get_cipher_options(eipserviceconfig=None): + """ + gathers optional cipher options from eip-service config. + :param eipserviceconfig: EIPServiceConfig instance + """ + null_check(eipserviceconfig, 'eipserviceconfig') + eipsconf = eipserviceconfig.get_config() + + ALLOWED_KEYS = ("auth", "cipher", "tls-cipher") + opts = [] + if 'openvpn_configuration' in eipsconf: + config = eipserviceconfig.openvpn_configuration + for key, value in config.items(): + if key in ALLOWED_KEYS and value is not None: + # I humbly think we should sanitize this + # input against `valid` openvpn settings. -- kali. + opts.append(['--%s' % key, value]) + return opts + + def build_ovpn_options(daemon=False, socket_path=None, **kwargs): """ build a list of options @@ -116,6 +137,10 @@ def build_ovpn_options(daemon=False, socket_path=None, **kwargs): # things from there if present. provider = kwargs.pop('provider', None) + eipconfig = EIPConfig(domain=provider) + eipconfig.load() + eipserviceconfig = EIPServiceConfig(domain=provider) + eipserviceconfig.load() # get user/group name # also from config. @@ -139,9 +164,19 @@ def build_ovpn_options(daemon=False, socket_path=None, **kwargs): # remote opts.append('--remote') - gw = get_eip_gateway(provider=provider) + + gw = get_eip_gateway(eipconfig=eipconfig, + eipserviceconfig=eipserviceconfig) logger.debug('setting eip gateway to %s', gw) opts.append(str(gw)) + + # get ciphers + ciphers = get_cipher_options( + eipserviceconfig=eipserviceconfig) + for cipheropt in ciphers: + opts.append(str(cipheropt)) + + # get port/protocol from eipservice too opts.append('1194') #opts.append('80') opts.append('udp') diff --git a/src/leap/util/misc.py b/src/leap/util/misc.py new file mode 100644 index 00000000..3c26892b --- /dev/null +++ b/src/leap/util/misc.py @@ -0,0 +1,16 @@ +""" +misc utils +""" + + +class ImproperlyConfigured(Exception): + """ + """ + + +def null_check(value, value_name): + try: + assert value is not None + except AssertionError: + raise ImproperlyConfigured( + "%s parameter cannot be None" % value_name) -- cgit v1.2.3