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#!/usr/bin/python
import sys
import os
import struct
import socket
import subprocess
import signal
from gi.repository import GLib
from gi.repository import LightDM
display = os.getenv ('DISPLAY');
if display is None:
greeter_id = 'GREETER-?'
elif display.startswith (':'):
greeter_id = 'GREETER-X-%s' % display[1:]
else:
greeter_id = 'GREETER-X-%s' % display
loop = GLib.MainLoop ()
def sigterm_cb (data):
status_notify ('%s TERMINATE SIGNAL=%d' % (greeter_id, signal.SIGTERM))
loop.quit ()
GLib.unix_signal_add (GLib.PRIORITY_DEFAULT, signal.SIGTERM, sigterm_cb, None)
status_socket = None
def status_notify (message):
if status_socket is not None:
status_socket.send (struct.pack ('i', len (message)) + message)
else:
sys.stderr.write ('%s\n' % message)
def request_cb (channel, condition):
length = status_socket.recv (4)
if len (length) == 0:
loop.quit ();
return False
if len (length) > 0:
(l,) = struct.unpack ('i', length)
request = status_socket.recv (l)
r = '%s AUTHENTICATE' % greeter_id
if request == r:
greeter.authenticate (None)
r = '%s AUTHENTICATE USERNAME=' % greeter_id
if request.startswith (r):
greeter.authenticate (request[len(r):])
r = '%s AUTHENTICATE-GUEST' % greeter_id
if request == r:
greeter.authenticate_as_guest ()
r = '%s AUTHENTICATE-AUTOLOGIN' % greeter_id
if request == r:
greeter.authenticate_autologin ()
r = '%s AUTHENTICATE-REMOTE SESSION=' % greeter_id
if request.startswith (r):
greeter.authenticate_remote (request[len(r):], None)
r = '%s RESPOND TEXT=\"' % greeter_id
if request.startswith (r):
greeter.respond (request[len (r):-1])
r = '%s START-SESSION' % greeter_id
if request == r:
if not greeter.start_session_sync (None):
status_notify ('%s SESSION-FAILED' % greeter_id)
r = '%s START-SESSION SESSION=' % greeter_id
if request.startswith (r):
if not greeter.start_session_sync (request[len(r):]):
status_notify ('%s SESSION-FAILED' % greeter_id)
r = '%s LOG-LAYOUT' % greeter_id
if request == r:
layout = LightDM.get_layout ().get_name ()
status_notify ('%s LOG-LAYOUT LAYOUT=%s' % (greeter_id, layout))
r = '%s LOG-LAYOUT USERNAME=' % greeter_id
if request.startswith (r):
username = request[len(r):]
user = LightDM.UserList.get_instance ().get_user_by_name (username)
layout = user.get_layout ()
if layout is None:
layout = ''
status_notify ('%s LOG-LAYOUT USERNAME=%s LAYOUT=%s' % (greeter_id, username, layout))
r = '%s LOG-LANGUAGE USERNAME=' % greeter_id
if request.startswith (r):
username = request[len(r):]
user = lightdm_user_list_get_user_by_name (lightdm_user_list_get_instance (), username)
language = lightdm_user_get_language (user)
if language is None:
language = ''
status_notify ('%s LOG-LANGUAGE USERNAME=%s LANGUAGE=%s' % (greeter_id, username, language))
return True
path = os.getenv ('LIGHTDM_TEST_ROOT') + '/.status-socket'
status_socket = socket.socket (socket.AF_UNIX, socket.SOCK_STREAM)
status_socket.connect (path)
GLib.io_add_watch (status_socket.fileno (), GLib.IO_IN | GLib.IO_HUP, request_cb)
status_notify ('%s START' % greeter_id)
# NOTE: There don't seem to be any good X bindings so we have to mock up our own...
(host, display_number) = display.split (':')
if host == '':
x_socket = socket.socket (socket.AF_UNIX, socket.SOCK_STREAM)
x_socket.connect ('/tmp/.X11-unix/X%s' % display_number)
else:
x_socket = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
x_socket.connect ((host, 6000 + int (display_number)))
authority = subprocess.check_output(['xauth', 'list']).split ()
auth_name = ''
auth_data = ''
if len (authority) >= 3:
auth_name = authority[1]
hex = authority[2]
while len (hex) >= 2:
auth_data += chr (int (hex[:2], 16))
hex = hex[2:]
def pad (value):
if len (value) % 4 != 0:
return value + '\x00' * (4 - len (value) % 4)
else:
return value
x_socket.send (struct.pack ('!cxHHHHxx', 'B', 11, 0, len (auth_name), len (auth_data)) + pad (auth_name) + pad (auth_data))
data = x_socket.recv (1024)
if ord (data[0]) != 1:
status_notify ('%s FAIL-CONNECT-XSERVER' % greeter_id)
exit (1)
status_notify ('%s CONNECT-XSERVER' % (greeter_id))
def show_message_cb (greeter, text, type):
status_notify ('%s SHOW-MESSAGE TEXT=\"%s\"' % (greeter_id, text))
def show_prompt_cb (greeter, text, type):
status_notify ('%s SHOW-PROMPT TEXT=\"%s\"' % (greeter_id, text))
def authentication_complete_cb (greeter):
if greeter.get_is_authenticated ():
is_authenticated = 'TRUE'
else:
is_authenticated = 'FALSE'
if greeter.get_authentication_user () is not None:
status_notify ('%s AUTHENTICATION-COMPLETE USERNAME=%s AUTHENTICATED=%s' % (greeter_id, greeter.get_authentication_user (), is_authenticated))
else:
status_notify ('%s AUTHENTICATION-COMPLETE AUTHENTICATED=%s' % (greeter_id, is_authenticated))
def autologin_timer_expired_cb (greeter):
status_notify ('%s AUTOLOGIN-TIMER-EXPIRED' % greeter_id)
greeter = LightDM.Greeter ()
greeter.connect ('show-message', show_message_cb)
greeter.connect ('show-prompt', show_prompt_cb)
greeter.connect ('authentication-complete', authentication_complete_cb)
greeter.connect ('autologin-timer-expired', autologin_timer_expired_cb)
status_notify ('%s CONNECT-TO-DAEMON' % greeter_id)
if not greeter.connect_sync ():
status_notify ('%s FAIL-CONNECT-DAEMON' % greeter_id)
exit (1)
status_notify ('%s CONNECTED-TO-DAEMON' % greeter_id)
if greeter.get_select_user_hint () is not None:
status_notify ('%s SELECT-USER-HINT USERNAME=%s' % (greeter_id, greeter.get_select_user_hint ()))
if greeter.get_lock_hint ():
status_notify ('%s LOCK-HINT' % greeter_id);
loop.run ()
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