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#!/bin/bash
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#
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# CDM: The Console Display Manager
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#
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# Copyright (C) 2009-2011, Daniel J Griffiths <ghost1227@archlinux.us>
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# Thanks to:
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#
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# Andrwe beta-testing and submitting the fix for the all
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# important X incrementation function
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# brisbin33 code cleanup
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# tigrmesh finding a critical issue with the gnome-session handler
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# Profjim several incredibly useful patches
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# lambchops468 consolekit and hibernation patches
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# CasperVector Massive rearchitecturing and code sanisation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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name=$(basename "$0")
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consolekit=false
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cktimeout=30
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info() { printf ' \033[01;32m*\033[00m '; echo "$name: $*"; }
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error() { (printf ' \033[01;31m*\033[00m '; echo "$name: $*") > /dev/stderr; }
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args=$(getopt -n "$name" -o ct: -l consolekit,timeout: -- "$@") || exit 1
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eval set -- "$args"
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for arg in "$@"
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do
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case $arg in
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'--consolekit' | '-c')
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consolekit=true; shift
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;;
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'--timeout' | '-t')
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shift
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cktimeout=$1; shift
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;;
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'--')
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shift
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break
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;;
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esac
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done
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# Do first to avoid race conditions.
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if $consolekit; then
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info "waiting for ConsoleKit to register X session."
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sleep "$cktimeout" & clockpid=$!
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dbuspidfifo=$(mktemp --dry-run --tmpdir $name.XXXXXXXX)
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if ! mkfifo "$dbuspidfifo"; then
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error "failed to create FIFO \`$fifo'."
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exit 1
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fi
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(dbus-monitor --system 'type=signal,interface=org.freedesktop.ConsoleKit.Seat,member=SessionAdded' & echo $! > "$dbuspidfifo") |
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sed -un 's@[[:space:]]*object path \"\(/[a-zA-Z0-9/]*\)\"@\1@p' | while read object; do
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if dbus-send --system --print-reply --dest='org.freedesktop.ConsoleKit' "$object" 'org.freedesktop.ConsoleKit.Session.GetX11Display' |
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grep -qF "$display"
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then
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kill "$clockpid"
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break
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fi
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done &
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dbuspid=$(<"$dbuspidfifo"); rm -f "$dbuspidfifo"
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fi
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# Conform to POSIX and do not use `>&' here.
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nohup startx $* > /dev/null 2>&1 &
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# If wait(1) returns with a value >128, it was interrupted by kill(1),
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# so registration was sucessful.
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if $consolekit; then
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if [[ -n "$clockpid" ]]; then
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if wait "$clockpid" >& /dev/null
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then
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kill "$dbuspid"
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error "ConsoleKit registration timed out."
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exit 1
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else
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kill "$dbuspid"
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info "ConsoleKit registration succeeded."
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exit 0
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fi
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fi
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fi
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