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Filename : samba-gpupdate
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#!/usr/bin/python3
# Copyright Luke Morrison <luc785@.hotmail.com> July 2013
# Co-Edited by Matthieu Pattou July 2013 from original August 2013
# Edited by Garming Sam Feb. 2014
# Edited by Luke Morrison April 2014
# Edited by David Mulder May 2017

# 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/>.

'''This script reads a log file of previous GPO, gets all GPO from sysvol
and sorts them by container. Then, it applies the ones that haven't been
applied, have changed, or is in the right container'''

import os
import sys



import optparse
from samba import getopt as options
from samba.gpclass import apply_gp, unapply_gp, GPOStorage, rsop
from samba.gp_sec_ext import gp_krb_ext, gp_access_ext
from samba.gp_ext_loader import get_gp_client_side_extensions
from samba.gp_scripts_ext import gp_scripts_ext
from samba.gp_sudoers_ext import gp_sudoers_ext
from samba.vgp_sudoers_ext import vgp_sudoers_ext
from samba.gp_smb_conf_ext import gp_smb_conf_ext
from samba.gp_msgs_ext import gp_msgs_ext
from samba.vgp_symlink_ext import vgp_symlink_ext
from samba.vgp_files_ext import vgp_files_ext
from samba.vgp_openssh_ext import vgp_openssh_ext
from samba.vgp_motd_ext import vgp_motd_ext
from samba.vgp_issue_ext import vgp_issue_ext
from samba.vgp_startup_scripts_ext import vgp_startup_scripts_ext
from samba.vgp_access_ext import vgp_access_ext
from samba.gp_gnome_settings_ext import gp_gnome_settings_ext
import logging

if __name__ == "__main__":
    parser = optparse.OptionParser('samba-gpupdate [options]')
    sambaopts = options.SambaOptions(parser)

    # Get the command line options
    parser.add_option_group(sambaopts)
    parser.add_option_group(options.VersionOptions(parser))
    credopts = options.CredentialsOptions(parser)
    parser.add_option('-X', '--unapply', help='Unapply Group Policy',
                      action='store_true')
    parser.add_option('--target', default='Computer', help='{Computer | User}',
                      choices=['Computer', 'User'])
    parser.add_option('--force', help='Reapplies all policy settings',
                      action='store_true')
    parser.add_option('--rsop', help='Print the Resultant Set of Policy',
                      action='store_true')
    parser.add_option_group(credopts)

    # Set the options and the arguments
    (opts, args) = parser.parse_args()

    # Set the loadparm context
    lp = sambaopts.get_loadparm()

    creds = credopts.get_credentials(lp, fallback_machine=True)

    # Set up logging
    logger = logging.getLogger('samba-gpupdate')
    logger.addHandler(logging.StreamHandler(sys.stdout))
    logger.setLevel(logging.CRITICAL)
    log_level = lp.log_level()
    if log_level == 1:
        logger.setLevel(logging.ERROR)
    elif log_level == 2:
        logger.setLevel(logging.WARNING)
    elif log_level == 3:
        logger.setLevel(logging.INFO)
    elif log_level >= 4:
        logger.setLevel(logging.DEBUG)

    cache_dir = lp.get('cache directory')
    store = GPOStorage(os.path.join(cache_dir, 'gpo.tdb'))

    machine_exts, user_exts = get_gp_client_side_extensions(logger,
                                                            lp.configfile)
    gp_extensions = []
    if opts.target == 'Computer':
        gp_extensions.append(gp_access_ext)
        gp_extensions.append(gp_krb_ext)
        gp_extensions.append(gp_scripts_ext)
        gp_extensions.append(gp_sudoers_ext)
        gp_extensions.append(vgp_sudoers_ext)
        gp_extensions.append(gp_smb_conf_ext)
        gp_extensions.append(gp_msgs_ext)
        gp_extensions.append(vgp_symlink_ext)
        gp_extensions.append(vgp_files_ext)
        gp_extensions.append(vgp_openssh_ext)
        gp_extensions.append(vgp_motd_ext)
        gp_extensions.append(vgp_issue_ext)
        gp_extensions.append(vgp_startup_scripts_ext)
        gp_extensions.append(vgp_access_ext)
        gp_extensions.append(gp_gnome_settings_ext)
        gp_extensions.extend(machine_exts)
    elif opts.target == 'User':
        gp_extensions.extend(user_exts)

    if opts.rsop:
        rsop(lp, creds, logger, store, gp_extensions, opts.target)
    elif not opts.unapply:
        apply_gp(lp, creds, logger, store, gp_extensions, opts.force)
    else:
        unapply_gp(lp, creds, logger, store, gp_extensions)