Ahenk/usr/share/ahenk/base/registration/registration.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
import datetime
import json
import uuid
from uuid import getnode as get_mac
from base.scope import Scope
from base.messaging.anonymous_messenger import AnonymousMessenger
from base.system.system import System
from base.util.util import Util
from helper import system as sysx
import pwd
from base.timer.setup_timer import SetupTimer
from base.timer.timer import Timer
import re
import os
from base.registration.execute_cancel_sssd_authentication import ExecuteCancelSSSDAuthentication
from base.registration.execute_sssd_authentication import ExecuteSSSDAuthentication
from base.registration.execute_sssd_ad_authentication import ExecuteSSSDAdAuthentication
from base.registration.execute_cancel_sssd_ad_authentication import ExecuteCancelSSSDAdAuthentication
class Registration:
def __init__(self):
scope = Scope().get_instance()
self.logger = scope.get_logger()
self.message_manager = scope.get_message_manager()
self.event_manager = scope.get_event_manager()
self.messenger = scope.get_messenger()
self.conf_manager = scope.get_configuration_manager()
self.db_service = scope.get_db_service()
self.util = Util()
self.servicename='im.liderahenk.org'
self.local_user_disable = None
#self.event_manager.register_event('REGISTRATION_RESPONSE', self.registration_process)
self.event_manager.register_event('REGISTRATION_SUCCESS', self.registration_success)
self.event_manager.register_event('REGISTRATION_ERROR', self.registration_error)
self.ldap_login_cancel = ExecuteCancelSSSDAuthentication()
self.ad_login_cancel = ExecuteCancelSSSDAdAuthentication()
self.ldap_login = ExecuteSSSDAuthentication()
self.ad_login = ExecuteSSSDAdAuthentication()
self.directory_server = None
if self.is_registered():
self.logger.debug('Ahenk already registered')
else:
self.register(True)
def registration_request(self, hostname,username,password):
self.logger.debug('Requesting registration')
# SetupTimer.start(Timer(System.Ahenk.registration_timeout(), timeout_function=self.registration_timeout,checker_func=self.is_registered, kwargs=None))
self.servicename = self.conf_manager.get("CONNECTION", "servicename")
self.host = hostname
self.user_name = username
self.user_password= password
# self.directory_server = directoryserver
self.showUserNotify = False;
if(username is None and password is None and self.host is None ):
self.showUserNotify = True;
self.host = self.conf_manager.get("CONNECTION", "host")
user_name= os.getlogin()
self.logger.info('User : '+ str(user_name))
pout = Util.show_registration_message(user_name,'Makineyi Lider MYS sistemine kaydetmek için bilgileri ilgili alanlara giriniz. LÜTFEN DEVAM EDEN İŞLEMLERİ SONLANDIRDIĞINZA EMİN OLUNUZ !',
'LIDER MYS SISTEMINE KAYIT', self.host)
self.logger.info('pout : ' + str(pout))
field_values = pout.split(' ')
user_registration_info = list(field_values)
if self.host == '':
self.host = user_registration_info[0]
self.user_name = user_registration_info[1]
self.user_password = user_registration_info[2]
# self.directory_server = user_registration_info[3]
else:
self.user_name = user_registration_info[1]
self.user_password = user_registration_info[2]
# self.directory_server = user_registration_info[2]
#anon_messenger = AnonymousMessenger(self.message_manager.registration_msg(user_name,user_password), self.host,self.servicename)
#anon_messenger.connect_to_server()
self.logger.debug('Requesting registration')
SetupTimer.start(Timer(System.Ahenk.registration_timeout(), timeout_function=self.registration_timeout,checker_func=self.is_registered, kwargs=None))
anon_messenger = AnonymousMessenger(self.message_manager.registration_msg(self.user_name,self.user_password,self.directory_server), self.host,self.servicename)
anon_messenger.connect_to_server()
def ldap_registration_request(self):
self.logger.info('Requesting LDAP registration')
self.messenger.send_Direct_message(self.message_manager.ldap_registration_msg())
def registration_success(self, reg_reply):
try:
file_common_session = open("/etc/pam.d/common-session", 'r')
file_data = file_common_session.read()
pattern = re.compile(r'\s+')
text = pattern.sub('', file_data)
if "sessionoptionalpam_script.so" not in text:
self.logger.info("pam_script.so is not exist in common-session")
# Upload to pam_script module
(result_code, p_out, p_err) = self.util.execute("pam-auth-update --package --enable pam_script")
if result_code == 0:
self.logger.info("'pam-auth-update --package --enable pam_script' has run successfully")
else:
self.logger.error("'pam-auth-update --package --enable pam_script' could not run successfully: " + p_err)
else:
self.logger.info("pam_script.so already exist in common-session")
except Exception as e:
self.logger.error('pam-auth-update --package --enable pam_script error. Error Message: {0}.'.format(str(e)))
try:
self.local_user_disable = reg_reply['disableLocalUser']
self.directory_server = reg_reply['directoryServer']
if self.local_user_disable is True:
self.conf_manager.set('MACHINE', 'user_disabled', 'true')
else:
self.conf_manager.set('MACHINE', 'user_disabled', 'false')
self.logger.info('LDAP Registration update starting')
dn = str(reg_reply['agentDn'])
self.logger.info('Current dn:' + dn)
self.logger.info('updating host name and service')
self.update_registration_attrs(dn)
# lightdm configuration by desktop env is XFCE
self.desktop_env = self.util.get_desktop_env()
self.logger.info("Get desktop environment is {0}".format(self.desktop_env))
if self.directory_server == "LDAP" or self.directory_server == "ACTIVE_DIRECTORY":
if self.desktop_env == "xfce":
self.configure_lightdm()
if self.desktop_env == "gnome":
self.configure_gdm()
# LDAP registration
if self.directory_server == "LDAP":
self.install_and_config_ldap(reg_reply)
self.change_permissions_for_local_users()
# AD registration
elif self.directory_server == "ACTIVE_DIRECTORY":
self.install_and_config_ad(reg_reply)
self.change_permissions_for_local_users()
except Exception as e:
self.logger.error('Registration error. Error Message: {0}.'.format(str(e)))
print(e)
raise
def update_registration_attrs(self, dn=None):
self.logger.debug('Registration configuration is updating...')
self.db_service.update('registration', ['dn', 'registered'], [dn, 1], ' registered = 0')
if self.conf_manager.has_section('CONNECTION'):
self.conf_manager.set('CONNECTION', 'uid',
self.db_service.select_one_result('registration', 'jid', ' registered=1'))
self.conf_manager.set('CONNECTION', 'password',
self.db_service.select_one_result('registration', 'password', ' registered=1'))
if self.host and self.servicename:
self.conf_manager.set('CONNECTION', 'host', self.host)
self.conf_manager.set('CONNECTION', 'servicename', self.servicename)
# TODO get file path?
with open('/etc/ahenk/ahenk.conf', 'w') as configfile:
self.conf_manager.write(configfile)
self.logger.debug('Registration configuration file is updated')
def install_and_config_ldap(self, reg_reply):
self.logger.info('ldap install process starting')
server_address = str(reg_reply['ldapServer'])
dn = str(reg_reply['ldapBaseDn'])
version = str(reg_reply['ldapVersion'])
admin_dn = str(reg_reply['ldapUserDn']) # get user full dn from server.. password same
#admin_password = self.user_password # same user get from server
admin_password = self.db_service.select_one_result('registration', 'password', ' registered=1')
self.ldap_login.authenticate(server_address, dn, admin_dn, admin_password)
if server_address != '' and dn != '' and version != '' and admin_dn != '' and admin_password != '':
self.logger.info("SSSD configuration process starting....")
self.logger.info("SSSD configuration process starting....")
else :
raise Exception(
'LDAP Ayarları yapılırken hata oluştu. Lütfen ağ bağlantınızı kontrol ediniz. Deponuzun güncel olduğundan emin olunuz.')
def install_and_config_ad(self, reg_reply):
self.logger.info('AD install process starting')
domain_name = str(reg_reply['adDomainName'])
host_name = str(reg_reply['adHostName'])
ip_address = str(reg_reply['adIpAddress'])
password = str(reg_reply['adAdminPassword'])
ad_username = str(reg_reply['adAdminUserName'])
if domain_name is None or host_name is None or ip_address is None or password is None :
self.logger.error("Registration params is null")
return
self.ad_login.authenticate(domain_name, host_name, ip_address, password, ad_username)
def registration_error(self, reg_reply):
self.re_register()
def is_registered(self):
try:
if str(System.Ahenk.uid()):
return True
else:
return False
except:
return False
def is_ldap_registered(self):
dn = self.db_service.select_one_result('registration', 'dn', 'registered = 1')
if dn is not None and dn != '':
return True
else:
return False
def register(self, uuid_depend_mac=False):
cols = ['jid', 'password', 'registered', 'params', 'timestamp']
vals = [str(System.Os.hostname()), str(self.generate_uuid(uuid_depend_mac)), 0,
str(self.get_registration_params()), str(datetime.datetime.now().strftime("%d-%m-%Y %I:%M"))]
self.db_service.delete('registration', ' 1==1 ')
self.db_service.update('registration', cols, vals)
self.logger.debug('Registration parameters were created')
def get_registration_params(self):
parts = []
for part in System.Hardware.Disk.partitions():
parts.append(part[0])
params = {
'ipAddresses': str(System.Hardware.Network.ip_addresses()).replace('[', '').replace(']', ''),
'macAddresses': str(System.Hardware.Network.mac_addresses()).replace('[', '').replace(']', ''),
'hostname': System.Os.hostname(),
'os.name': System.Os.name(),
'os.version': System.Os.version(),
'os.kernel': System.Os.kernel_release(),
'os.distributionName': System.Os.distribution_name(),
'os.distributionId': System.Os.distribution_id(),
'os.distributionVersion': System.Os.distribution_version(),
'os.architecture': System.Os.architecture(),
'hardware.cpu.architecture': System.Hardware.Cpu.architecture(),
'hardware.cpu.logicalCoreCount': System.Hardware.Cpu.logical_core_count(),
'hardware.cpu.physicalCoreCount': System.Hardware.Cpu.physical_core_count(),
'hardware.disk.total': System.Hardware.Disk.total(),
'hardware.disk.used': System.Hardware.Disk.used(),
'hardware.disk.free': System.Hardware.Disk.free(),
'hardware.disk.partitions': str(parts),
'hardware.monitors': str(System.Hardware.monitors()),
'hardware.screens': str(System.Hardware.screens()),
'hardware.usbDevices': str(System.Hardware.usb_devices()),
'hardware.printers': str(System.Hardware.printers()),
'hardware.systemDefinitions': str(System.Hardware.system_definitions()),
'hardware.model.version': str(System.Hardware.machine_model()),
'hardware.memory.total': System.Hardware.Memory.total(),
'hardware.network.ipAddresses': str(System.Hardware.Network.ip_addresses()),
'sessions.userNames': str(System.Sessions.user_name()),
'bios.releaseDate': System.BIOS.release_date()[1].replace('\n', '') if System.BIOS.release_date()[
0] == 0 else 'n/a',
'bios.version': System.BIOS.version()[1].replace('\n', '') if System.BIOS.version()[0] == 0 else 'n/a',
'bios.vendor': System.BIOS.vendor()[1].replace('\n', '') if System.BIOS.vendor()[0] == 0 else 'n/a',
'hardware.baseboard.manufacturer': System.Hardware.BaseBoard.manufacturer()[1].replace('\n', '') if
System.Hardware.BaseBoard.manufacturer()[0] == 0 else 'n/a',
'hardware.baseboard.version': System.Hardware.BaseBoard.version()[1].replace('\n', '') if
System.Hardware.BaseBoard.version()[0] == 0 else 'n/a',
'hardware.baseboard.assetTag': System.Hardware.BaseBoard.asset_tag()[1].replace('\n', '') if
System.Hardware.BaseBoard.asset_tag()[0] == 0 else 'n/a',
'hardware.baseboard.productName': System.Hardware.BaseBoard.product_name()[1].replace('\n', '') if
System.Hardware.BaseBoard.product_name()[0] == 0 else 'n/a',
'hardware.baseboard.serialNumber': System.Hardware.BaseBoard.serial_number()[1].replace('\n', '') if
System.Hardware.BaseBoard.serial_number()[0] == 0 else 'n/a',
'processor': System.Hardware.Cpu.brand(),
}
return json.dumps(params)
def unregister(self):
self.logger.debug('Ahenk is unregistering...')
self.db_service.delete('registration', ' 1==1 ')
self.logger.debug('Ahenk is unregistered')
def re_register(self):
self.logger.debug('Reregistrating...')
self.unregister()
self.register(False)
def generate_uuid(self, depend_mac=True):
if depend_mac is False:
self.logger.debug('uuid creating randomly')
return uuid.uuid4() # make a random UUID
else:
self.logger.debug('uuid creating according to mac address')
return uuid.uuid3(uuid.NAMESPACE_DNS,
str(get_mac())) # make a UUID using an MD5 hash of a namespace UUID and a mac address
def generate_password(self):
return uuid.uuid4()
def registration_timeout(self):
self.logger.error(
'Could not reach registration response from Lider. Be sure XMPP server is reachable and it supports anonymous message, Lider is running properly '
'and it is connected to XMPP server! Check your Ahenk configuration file (/etc/ahenk/ahenk.conf)')
self.logger.error('Ahenk is shutting down...')
print('Ahenk is shutting down...')
Util.show_message(os.getlogin(),':0',"Lider MYS sistemine ulaşılamadı. Lütfen sunucu adresini kontrol ediniz....","HATA")
System.Process.kill_by_pid(int(System.Ahenk.get_pid_number()))
def purge_and_unregister(self,directory_type):
try:
self.logger.info('Ahenk conf cleaning from db')
self.unregister()
self.logger.info('Ahenk conf cleaned from db')
#directory_type = "LDAP"
#if self.util.is_exist("/etc/ahenk/ad_info"):
# directory_type = "AD"
self.logger.info('Cleaning ahenk conf..')
self.clean()
self.logger.info('Ahenk conf cleaned')
if directory_type == "LDAP":
self.logger.info('Ahenk cleaning LDAP config')
self.ldap_login_cancel.cancel()
self.logger.info('Ahenk cleaned LDAP config')
elif directory_type =="ACTIVE_DIRECTORY":
self.logger.info('Ahenk cleaning ACTIVE_DIRECTORY config')
self.ad_login_cancel.cancel()
self.logger.info('Ahenk cleaned ACTIVE_DIRECTORY config')
if self.conf_manager.has_section('MACHINE'):
user_disabled = self.conf_manager.get("MACHINE", "user_disabled")
self.logger.info('User disabled value=' + str(user_disabled))
if user_disabled != 'false':
self.logger.info('Enable Users')
self.enable_local_users()
else:
self.logger.info('Local users already enabled')
# İf desktop env is XFCE configured lightdm.service
if self.util.get_desktop_env() == "xfce":
self.logger.info('XFCE conf file deleting')
pardus_xfce_path = "/usr/share/lightdm/lightdm.conf.d/99-pardus-xfce.conf"
if self.util.is_exist(pardus_xfce_path):
self.logger.info("99-pardus-xfce.conf exists. Deleting file.")
self.util.delete_file(pardus_xfce_path)
self.logger.info('XFCE conf file deleted')
if self.util.get_desktop_env() == "gnome":
self.logger.info('GNOME conf file deleting')
pardus_gnome_path = "/etc/gdm3/greeter.dconf-defaults"
if not self.util.is_exist(pardus_gnome_path):
self.logger.info("Gnome conf doesn't exist")
else:
reading_file = open(pardus_gnome_path, "r")
new_file_content = ""
for line in reading_file:
stripped_line = line.strip()
new_line = stripped_line.replace("disable-user-list=true", "# disable-user-list=true")
new_file_content += new_line + "\n"
reading_file.close()
writing_file = open(pardus_gnome_path, "w")
writing_file.write(new_file_content)
writing_file.close()
self.logger.info("gdm.conf has been configured.")
self.logger.info('GNOME conf file deleted')
Util.shutdown()
except Exception as e:
self.logger.error("Error while running purge_and_unregister process.. Error Message " + str(e))
#System.Process.kill_by_pid(int(System.Ahenk.get_pid_number()))
#sys.exit(2)
def change_configs_after_purge(self):
# pattern for clearing file data from spaces, tabs and newlines
pattern = re.compile(r'\s+')
ldap_back_up_file_path = "/usr/share/ahenk/pam_scripts_original/ldap"
ldap_original_file_path = "/usr/share/pam-configs/ldap"
pam_script_back_up_file_path = "/usr/share/ahenk/pam_scripts_original/pam_script"
pam_script_original_file_path = "/usr/share/pam-configs/pam_script"
if self.util.is_exist(ldap_back_up_file_path):
self.logger.info("Replacing {0} with {1}".format(ldap_original_file_path, ldap_back_up_file_path))
self.util.copy_file(ldap_back_up_file_path, ldap_original_file_path)
self.logger.info("Deleting {0}".format(ldap_back_up_file_path))
self.util.delete_file(ldap_back_up_file_path)
if self.util.is_exist(pam_script_back_up_file_path):
self.logger.info(
"Replacing {0} with {1}".format(pam_script_original_file_path, pam_script_back_up_file_path))
self.util.copy_file(pam_script_back_up_file_path, pam_script_original_file_path)
self.logger.info("Deleting {0}".format(pam_script_back_up_file_path))
self.util.delete_file(pam_script_back_up_file_path)
(result_code, p_out, p_err) = self.util.execute("DEBIAN_FRONTEND=noninteractive pam-auth-update --package")
if result_code == 0:
self.logger.info("'DEBIAN_FRONTEND=noninteractive pam-auth-update --package' has run successfully")
else:
self.logger.error(
"'DEBIAN_FRONTEND=noninteractive pam-auth-update --package' could not run successfully: " + p_err)
# Configure nsswitch.conf
file_ns_switch = open("/etc/nsswitch.conf", 'r')
file_data = file_ns_switch.read()
# cleared file data from spaces, tabs and newlines
text = pattern.sub('', file_data)
did_configuration_change = False
if "passwd:compatldap[NOTFOUND=return]db" in text:
file_data = file_data.replace("passwd: compat ldap [NOTFOUND=return] db", "passwd: compat")
did_configuration_change = True
if "group:compatldap[NOTFOUND=return]db" in text:
file_data = file_data.replace("group: compat ldap [NOTFOUND=return] db", "group: compat")
did_configuration_change = True
if "shadow:compatldap" in text:
file_data = file_data.replace("shadow: compat ldap", "shadow: compat")
did_configuration_change = True
if "#gshadow:files" in text:
file_data = file_data.replace("#gshadow: files", "gshadow: files")
did_configuration_change = True
if did_configuration_change:
self.logger.info("nsswitch.conf configuration has been configured")
else:
self.logger.info("nsswitch.conf has already been configured")
file_ns_switch.close()
file_ns_switch = open("/etc/nsswitch.conf", 'w')
file_ns_switch.write(file_data)
file_ns_switch.close()
# Configure ldap-cache
nss_update_cron_job_file_path = "/etc/cron.daily/nss-updatedb"
if self.util.is_exist(nss_update_cron_job_file_path):
self.util.delete_file(nss_update_cron_job_file_path)
self.logger.info("{0} is deleted.".format(nss_update_cron_job_file_path))
# Configure lightdm.service
pardus_xfce_path = "/usr/share/lightdm/lightdm.conf.d/99-pardus-xfce.conf"
if self.util.is_exist(pardus_xfce_path):
self.logger.info("99-pardus-xfce.conf exists. Deleting file.")
self.util.delete_file(pardus_xfce_path)
self.util.execute("systemctl restart nscd.service")
self.logger.info("Operation finished")
def clean(self):
print('Ahenk cleaning..')
import configparser
try:
config = configparser.ConfigParser()
config._interpolation = configparser.ExtendedInterpolation()
config.read(System.Ahenk.config_path())
db_path = config.get('BASE', 'dbPath')
if Util.is_exist(System.Ahenk.fifo_file()):
Util.delete_file(System.Ahenk.fifo_file())
if Util.is_exist(db_path):
Util.delete_file(db_path)
if Util.is_exist(System.Ahenk.pid_path()):
Util.delete_file(System.Ahenk.pid_path())
config.set('CONNECTION', 'uid', '')
config.set('CONNECTION', 'password', '')
config.set('CONNECTION', 'host', '')
config.set('MACHINE', 'user_disabled', 'false')
with open(System.Ahenk.config_path(), 'w') as file:
config.write(file)
file.close()
print('Ahenk cleaned.')
except Exception as e:
self.logger.error("Error while running clean command. Error Message " + str(e))
print('Error while running clean command. Error Message {0}'.format(str(e)))
def enable_local_users(self):
passwd_cmd = 'passwd -u {}'
change_home = 'usermod -m -d {0} {1}'
change_username = 'usermod -l {0} {1}'
content = self.util.read_file('/etc/passwd')
for p in pwd.getpwall():
if not sysx.shell_is_interactive(p.pw_shell):
continue
if p.pw_uid == 0:
continue
if p.pw_name in content:
new_home_dir = p.pw_dir.rstrip('-local/') + '/'
new_username = p.pw_name.rstrip('-local')
self.util.execute(passwd_cmd.format(p.pw_name))
self.util.execute(change_username.format(new_username, p.pw_name))
self.util.execute(change_home.format(new_home_dir, new_username))
self.logger.debug("User: '{0}' will be enabled and changed username and home directory of username".format(p.pw_name))
def disable_local_users(self):
passwd_cmd = 'passwd -l {}'
change_home = 'usermod -m -d {0} {1}'
change_username = 'usermod -l {0} {1}'
content = Util.read_file('/etc/passwd')
kill_all_process = 'killall -KILL -u {}'
change_permisson = "chmod -R 700 {}"
for p in pwd.getpwall():
self.logger.info("User: '{0}' will be disabled and changed username and home directory of username".format(p.pw_name))
if not sysx.shell_is_interactive(p.pw_shell):
continue
if p.pw_uid == 0:
continue
if p.pw_name in content:
new_home_dir = p.pw_dir.rstrip('/') + '-local/'
new_username = p.pw_name+'-local'
Util.execute(kill_all_process.format(p.pw_name))
Util.execute(passwd_cmd.format(p.pw_name))
Util.execute(change_username.format(new_username, p.pw_name))
Util.execute(change_home.format(new_home_dir, new_username))
Util.execute(change_permisson.format(new_home_dir))
def change_permissions_for_local_users(self):
if self.disable_local_users is False:
content = Util.read_file('/etc/passwd')
change_permisson = "chmod -R 700 {}"
for p in pwd.getpwall():
self.logger.info(
"User: '{0}' will change home directory of username".format(p.pw_name))
if not sysx.shell_is_interactive(p.pw_shell):
continue
if p.pw_uid == 0:
continue
if p.pw_name in content:
Util.execute(change_permisson.format(p.pw_dir))
add_user_conf_file = "/etc/adduser.conf"
file_dir_mode = open(add_user_conf_file, 'r')
file_data = file_dir_mode.read()
file_data = file_data.replace("DIR_MODE=0755", "DIR_MODE=0700")
file_dir_mode.close()
file_dir_mode = open(add_user_conf_file, 'w')
file_dir_mode.write(file_data)
file_dir_mode.close()
self.logger.info("add user mode changed to 0700 in file {}".format(add_user_conf_file))
def configure_lightdm(self):
# check if 99-pardus-xfce.conf exists if not create
pardus_xfce_path = "/usr/share/lightdm/lightdm.conf.d/99-pardus-xfce.conf"
if not self.util.is_exist(pardus_xfce_path):
self.logger.info("99-pardus-xfce.conf does not exist.")
self.util.create_file(pardus_xfce_path)
file_lightdm = open(pardus_xfce_path, 'a')
file_lightdm.write("[Seat:*]\n")
file_lightdm.write("greeter-hide-users=true")
file_lightdm.close()
self.logger.info("lightdm has been configured.")
else:
self.logger.info("99-pardus-xfce.conf exists. Delete file and create new one.")
self.util.delete_file(pardus_xfce_path)
self.util.create_file(pardus_xfce_path)
file_lightdm = open(pardus_xfce_path, 'a')
file_lightdm.write("[Seat:*]")
file_lightdm.write("greeter-hide-users=true")
file_lightdm.close()
self.logger.info("lightdm.conf has been configured.")
def configure_gdm(self):
pardus_gnome_path = "/etc/gdm3/greeter.dconf-defaults"
if not self.util.is_exist(pardus_gnome_path):
self.logger.info("Gnome conf doesn't exist")
else:
reading_file = open(pardus_gnome_path, "r")
new_file_content = ""
for line in reading_file:
stripped_line = line.strip()
new_line = stripped_line.replace("# disable-user-list=true", "disable-user-list=true")
new_file_content += new_line + "\n"
reading_file.close()
writing_file = open(pardus_gnome_path, "w")
writing_file.write(new_file_content)
writing_file.close()
self.logger.info("gdm.conf has been configured.")