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# -*- coding: utf-8 -*-
# initializers.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/>.
"""
Platform dependant initializing code
"""
import logging
import os
import platform
import subprocess
from PySide import QtGui
logger = logging.getLogger(__name__)
def init_platform():
initializer = globals()[platform.system() + "Initializer"]
if initializer:
logger.debug("Running initializer for %s" % (platform.system(),))
initializer()
else:
logger.debug("Initializer not found for %s" % (platform.system(),))
def _windows_has_tap_device():
import _winreg as reg
adapter_key = 'SYSTEM\CurrentControlSet\Control\Class' \
'\{4D36E972-E325-11CE-BFC1-08002BE10318}'
with reg.OpenKey(reg.HKEY_LOCAL_MACHINE, adapter_key) as adapters:
try:
for i in xrange(10000):
key_name = reg.EnumKey(adapters, i)
with reg.OpenKey(adapters, key_name) as adapter:
try:
component_id = reg.QueryValueEx(adapter,
'ComponentId')[0]
if component_id.startswith("tap0901"):
return True
except WindowsError:
pass
except WindowsError:
pass
return False
def WindowsInitializer():
if not _windows_has_tap_device():
msg = QtGui.QMessageBox()
msg.setWindowTitle(msg.tr("TAP Driver"))
msg.setText(msg.tr("LEAPClient needs to install the necessary drivers "
"for Encrypted Internet to work. Would you like to "
"proceed?"))
msg.setInformativeText(msg.tr("Encrypted Internet uses VPN, which "
"needs a TAP device installed and none "
"have been found"))
msg.setStandardButtons(QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
msg.setDefaultButton(QtGui.QMessageBox.Yes)
ret = msg.exec_()
if ret == QtGui.QMessageBox.Yes:
driver_path = os.path.join(os.getcwd(),
"apps",
"eip",
"tap_driver")
dev_installer = os.path.join(driver_path,
"devcon.exe")
if os.path.isfile(dev_installer) and \
os.access(dev_installer, os.X_OK):
inf_path = os.path.join(driver_path,
"OemWin2k.inf")
cmd = [dev_installer, "install", inf_path, "tap0901"]
ret = subprocess.call(cmd, stdout=subprocess.PIPE, shell=True)
else:
logger.error("Tried to install TAP driver, but the installer "
"is not found or not executable")
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