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#!/usr/bin/env python
# Post installation script for BitmaskVPN.
# Please note that this installation will install ONE single helper with administrative privileges.
# This means that, for the time being, you can only install ONE of the BitmaskVPN derivatives at the same time.
# This might change in the future.
import glob
import os
import shutil
import sys
import subprocess
import time
HELPER = "bitmask-helper"
HELPER_PLIST = "/Library/LaunchDaemons/se.leap.bitmask-helper.plist"
_dir = os.path.dirname(os.path.realpath(__file__))
_appdir = glob.glob('{}/*VPN.app'.format(_dir))[0]
def main():
log = open(os.path.join(_dir, 'post-install.log'), 'w')
log.write('Checking for admin privileges...\n')
_id = os.getuid()
if _id != 0:
err = "ERROR: need to run as root. UID: %s\n" % str(_id)
log.write(err)
sys.exit(1)
if isHelperRunning():
log.write("Trying to stop bitmask-helper...\n")
# if this fail, we can check if the HELPER_PLIST is there
ok = unloadHelper()
log.write("success: %s \n" % str(ok))
ok = fixHelperOwner(log)
log.write("chown helper: %s \n" % str(ok))
log.write("Copy launch daemon...\n")
copyLaunchDaemon()
log.write("Trying to launch helper...\n")
out = launchHelper()
log.write("result: %s \n" % str(out))
grantPermissionsOnLogFolder()
# all done
log.write('post-install script: done\n')
sys.exit(0)
def isHelperRunning():
ps = _getProcessList()
return HELPER in ps
def unloadHelper():
out = subprocess.call(["launchctl", "unload", HELPER_PLIST])
time.sleep(0.5)
out2 = subprocess.call(["pkill", "-9", "bitmask-helper"]) # just in case
time.sleep(0.5)
return out == 0
def fixHelperOwner(log):
path = os.path.join(_appdir, HELPER)
try:
os.chown(path, 0, 0)
except OSError as exc:
log.write(str(exc))
return False
return True
def copyLaunchDaemon():
plist = "se.leap.bitmask-helper.plist"
path = os.path.join(_dir, plist)
_p = os.path.join(_dir, _appdir)
_p2= _p.replace("/", "\/")
subprocess.call(["sed", "-i.back", "s/PATH/%s/" % _p2, path])
shutil.copy(path, HELPER_PLIST)
def launchHelper():
out = subprocess.call(["launchctl", "load", HELPER_PLIST])
return out == 0
def grantPermissionsOnLogFolder():
helperDir = os.path.join(_appdir, 'helper')
try:
os.makedirs(helperDir)
except Exception:
pass
os.chown(helperDir, 0, 0)
def _getProcessList():
_out = []
output = subprocess.Popen(["ps", "-ceA"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
stdout, stderr = output.communicate()
for line in stdout.split('\n'):
cmd = line.split(' ')[-1]
_out.append(cmd.strip())
return _out
if __name__ == "__main__":
main()
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