1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
#!/bin/sh
# -*- Mode: sh; indent-tabs-mode: nil; tab-width: 4 -*-
#
# Copyright (C) 2011,2013,2016 Canonical Ltd
#
# 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, version 3 of the License.
#
# See http://www.gnu.org/copyleft/gpl.html the full text of the license.
# This wrapper merely ensures that init and friends live only as long as this
# script does. Otherwise, it's very easy for some processes to not notice that
# the session died. We could try to do this in-process, but we want to do this
# cleanup even if the greeter aborts.
trap cleanup TERM EXIT
cleanup()
{
trap - TERM EXIT
# Kill upstart and indicators
if [ -n "$INIT_PID" ]; then
kill "$INIT_PID"
fi
if [ -n "$CMD_PID" ]; then
kill "$CMD_PID"
fi
exit 0
}
set_greeter_var()
{
export "$1=$2"
gdbus call --session --dest org.freedesktop.DBus --object-path /org/freedesktop/DBus --method org.freedesktop.DBus.UpdateActivationEnvironment "{'$1': '$2'}"
if [ -n "$INIT_PID" ]; then
initctl set-env --global "$1=$2"
fi
}
SUB_SOCKET=$XDG_RUNTIME_DIR/mir_socket
rm -f $SUB_SOCKET # clear socket in case we were hard shut down
echo "DBUS_SESSION_BUS_ADDRESS=${DBUS_SESSION_BUS_ADDRESS}" >"$XDG_RUNTIME_DIR/dbus-session"
# If touch session script (which sets up grid units and mir variables) is available, use it
TOUCH_WRAPPER=
if [ -x /usr/bin/ubuntu-touch-session ]; then
TOUCH_WRAPPER=/usr/bin/ubuntu-touch-session
fi
# Pretend that we're in an ubuntu-touch session, so that indicator-network
# will start.
export DESKTOP_SESSION=ubuntu-touch
# We disable ofono using pulse. It causes problems with racing with the user's
# pulse. We need to come up with a better long-term fix for this, because we
# eventually need the greeter to play ringtones for users that aren't logged in.
set_greeter_var PA_DISABLED 1
# Normal unity8 sessions are entirely driven by Upstart. But greeters
# are special. They need access to the file descriptors that lightdm
# creates for them and don't want to start all the services that a normal
# session would. So it's inconvenient to live within an upstart session.
# But... we still want to use Upstart for some services. So launch here.
MIR_SOCKET=$SUB_SOCKET $TOUCH_WRAPPER /sbin/upstart --user --no-startup-event &
INIT_PID=$!
while [ ! -e "$XDG_RUNTIME_DIR/upstart/sessions/$INIT_PID.session" ]; do sleep 0.1; done
. "$XDG_RUNTIME_DIR/upstart/sessions/$INIT_PID.session"
export UPSTART_SESSION
# Connect upstart to system, but do first command in a loop to avoid any
# race condition between the session file above being written and upstart being
# ready to handle requests.
while ! /sbin/initctl notify-dbus-address "$DBUS_SESSION_BUS_ADDRESS"; do sleep 0.1; done
/sbin/initctl start notify-cgmanager
# Start any pre-greeter tasks if needed (like wizard)
/sbin/initctl emit unity8-greeter-starting
# Define language here for phone if available. When phone user switches their
# language, they expect that to affect the greeter too. But the user doesn't
# have permission to switch system language, only their own. So we notice if
# the phablet user exists and use their language if so. TODO: talk to design
# about whether we should switch language on fly as users are selected (this
# is very hard to do technically).
#
# Do this after unity8-greeter-starting, in case a customization upstart job
# changes language.
if [ "$(id -u phablet 2>/dev/null)" = "32011" ]; then
USER_LANG=$(gdbus call --system --dest org.freedesktop.Accounts --object-path /org/freedesktop/Accounts/User32011 --method org.freedesktop.DBus.Properties.Get org.freedesktop.Accounts.User Language | cut -d\' -f2)
if [ -n "$USER_LANG" ]; then
set_greeter_var LANGUAGE "$USER_LANG"
fi
USER_LOCALE=$(gdbus call --system --dest org.freedesktop.Accounts --object-path /org/freedesktop/Accounts/User32011 --method org.freedesktop.DBus.Properties.Get org.freedesktop.Accounts.User FormatsLocale | cut -d\' -f2)
if [ -n "$USER_LOCALE" ]; then
set_greeter_var LANG "$USER_LOCALE"
set_greeter_var LC_ALL "$USER_LOCALE"
fi
fi
# And finally actually start the greeter
exec env QT_QPA_PLATFORM=ubuntumirclient MIR_SERVER_FILE=$SUB_SOCKET $TOUCH_WRAPPER $@ &
CMD_PID=$!
wait $CMD_PID
CMD_PID=
|