BackupPC Agent for WAPT
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# -*- coding: utf-8 -*-
from setuphelpers import *
from cryptography.fernet import Fernet
import json
import os
uninstallkey = []
variables = {
'backup_servers': [ '192.168.100.31' ],
'backup_rsync_pass': 's3cretp@ssw0rd'
}
# Read local variables file if available
if isfile(makepath(programfiles32,'wapt','private','symetric.txt')) and isfile(makepath(programfiles32,'wapt','private','variables.txt')):
print('Reading local encrypted variables file')
f = Fernet(open(makepath(programfiles32,'wapt','private','symetric.txt'),'r').read())
variables.update(json.loads(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
overrides = ['rsyncd.conf', 'pre-exec.cmd', 'vsrsync.cmd', 'cygiconv-2.dll', 'cygwin1.dll', 'cygz.dll', 'rsync.exe']
def install():
print('Installing BackupPC Agent')
version = control['version'].split('-',1)[0]
install_exe_if_needed("backuppc-client.exe",silentflags='/S',key='BackupPC',min_version=version,killbefore=['rsync.exe'])
# We override some files
# cygwin and rsync are needed because version 3.1.1 is very unreliable on Win2012, so we downgrade to 3.0.9
# our own pre-exec adds an exclusive lock
# And vsrsync.cmd fixes an issue when PATH contains a & char
print('Overriding scripts and binaries')
for file in overrides:
print('Copying %s' % file)
filecopyto(file,makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC'))
# We write credential file
print('Writing credential file')
open(makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC','rsyncd.secrets'),'w').write('backup:%s' % variables['backup_rsync_pass'])
# The default behaviour is to add a firewall rule allowing local network. We'll remove this rule to create a more restrictive one
print('Adding firewall rules')
run('netsh advfirewall firewall del rule name="Agent BackupPC"', accept_returncodes=[0,1])
run('netsh advfirewall firewall add rule name="Agent BackupPC" dir=in action=allow program="%s" enable=yes remoteip=%s' % (makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC','rsync.exe'),','.join(variables['backup_servers'])))
# Port 445 is needed for winexe
run('netsh advfirewall firewall add rule name="remote admin" dir=in action=allow protocol=TCP localport=445 enable=yes remoteip=%s' % ','.join(variables['backup_servers']))
# Create the backup account
print('Create a local account and add it to the admin group')
run('net user lbkp /add', accept_returncodes=[0,2])
if 'backup_pass' in variables:
run('net user lbkp %s' % variables['backup_pass'])
run('net localgroup Administrateurs lbkp /add', accept_returncodes=[0,2])
# For vista and newer, UAC prevents admin shares, we need to enable it
print('Enabling remote access to admin shares')
if windows_version() > Version('6'):
reg_key = reg_openkey_noredir(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system',sam=KEY_WRITE,create_if_missing=True)
reg_setvalue(reg_key, 'LocalAccountTokenFilterPolicy', 1, REG_DWORD)
def uninstall():
print('Removing BackupPC Agent')
print('Removing firewall rules')
run('netsh advfirewall firewall del rule name="Agent BackupPC"', accept_returncodes=[0,1])
run('netsh advfirewall firewall del rule name="remote admin"', accept_returncodes=[0,1])
print('Removing lbkp from Admin group')
run('net localgroup Administrateurs lbkp /delete', accept_returncodes=[0,2])
print('Disabling remote access to admin shares')
if windows_version() > Version('6'):
reg_key = reg_openkey_noredir(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system',sam=KEY_WRITE)
reg_delvalue(reg_key, 'LocalAccountTokenFilterPolicy')
print('Removing files')
for file in overrides:
path =makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC',file)
if isfile(path):
os.unlink(path)
def audit():
filter_policy = registry_readstring(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system','LocalAccountTokenFilterPolicy')
if not filter_policy :
print(r"key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\LocalAccountTokenFilterPolicy doesn't exist")
return "ERROR"
elif int(filter_policy) != 1 :
print("Wrong value for LocalAccountTokenFilterPolicy")
return "ERROR"
for file in overrides + ['rsyncd.secrets','part.cmd' ]:
if not isfile(makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC',file)):
print('%s is missing' % makepath(os.getenv('SYSTEMDRIVE','C:\\'),'BackupPC',file))
return "ERROR"
return "OK"