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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, Daniel J Griffiths <ghost1227@archlinux.us>
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# Thanks to:
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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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#
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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="Console Display Manager"
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ver="0.2"
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info="\e[1;34m==>\e[1;37m"
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error="\e[1;31m==>\e[1;37m"
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success="\e[1;32m==>\e[1;37m"
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reset="\e[0m"
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trap "" 2 20
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# Drop root to console
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if [[ $EUID -eq 0 ]]; then
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${SHELL}
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exit 0
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fi
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# Source cdm configuration
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if [ -f /etc/cdmrc ]; then
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source /etc/cdmrc
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else
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echo -e "${error} ERROR: A valid cdm configuration was not found!${reset}"
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echo -e "${info} Logging out.${reset}"
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sleep 3
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exit 1
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fi
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# Source theme file
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if [[ ! -z ${theme} ]]; then
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if [[ -f /usr/share/cdm/themes/${theme} ]]; then
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export DIALOGRC=/usr/share/cdm/themes/${theme}
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else
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echo -e "${info} Theme file ${theme} is invalid, reverting to default theme.${reset}"
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fi
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elif [[ -f /usr/share/cdm/themes/default ]]; then
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export DIALOGRC=/usr/share/cdm/themes/default
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else
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echo -e "${info} A valid theme file was not found, using system defaults.${reset}"
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fi
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# If X is already running and locktty=yes, activate it,
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# otherwise, increment.
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if [[ ${locktty} == "yes" ]]; then
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# Verify display exists
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if [ -n "${display//[0-9]/}" ]; then
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display=0
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fi
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# Activate existing X session
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if xdpyinfo -display :${display}.0 &> /dev/null; then
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let tty=${display}+${xtty}
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chvt ${tty}
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exit 0
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fi
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else
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# Get the first empty display
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display=0
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while [ ${display} -lt 7 ]; do
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if xdpyinfo -display :${display}.0 &> /dev/null; then
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let display=${display}+1
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else
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break
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fi
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done
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fi
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mainmenu() {
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# Generate main menu
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count=0
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menu=$(
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while [[ ${count} -lt ${#wmdisplist[@]} ]]; do
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echo -ne "${count} ${wmdisplist[${count}]} "
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let count=count+1
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done
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)
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# Check if console access is allowed
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if [[ ${allowconsole} == "yes" ]]; then
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if [[ ${allowshutdown} != "yes" ]]; then
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let halt=99
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fi
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let console=${#wmdisplist[@]}
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menu=$(echo -ne "${menu} ${console} Console ")
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fi
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# Check if shutdown access is allowed
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if [[ ${allowshutdown} == "yes" ]]; then
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if [[ ${allowconsole} != "yes" ]]; then
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let halt=${#wmdisplist[@]}
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else
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let halt=${#wmdisplist[@]}+1
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fi
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menu=$(echo -ne "${menu} ${halt} Shutdown ")
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fi
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# Override dialog display if only one option is available
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if [[ ${allowconsole} != "yes" ]] && [[ ${allowshutdown} != "yes" ]] && [[ ${#wmdisplist[@]} == 1 ]]; then
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wm=${wmbinlist[@]}
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else
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# Display selection dialog
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wm=$(
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dialog --colors --backtitle "${name} v${ver}" --stdout \
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--ok-label " Select " --cancel-label " Logout " \
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--menu "Select Window Manager" 0 0 0 ${menu}
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)
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if [[ $? != 0 ]]; then
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clear
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exit 0
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fi
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fi
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# Set wm_bin
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clear
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if [[ ${wm} -eq ${console} ]]; then
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${SHELL}
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exit 0
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elif [[ ${wm} -eq ${halt} ]]; then
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shutdownmenu
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else
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export wm_bin="${wmbinlist[${wm}]}"
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xstart
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fi
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}
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shutdownmenu() {
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# Display shutdown dialog
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haltopt=$(
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dialog --colors --backtitle "${name} v${ver}" --stdout \
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--ok-label " Select " --cancel-label " Cancel " \
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--menu "Shutdown" 0 0 0 0 Shutdown 1 Reboot
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)
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if [[ $? == 0 ]]; then
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clear
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if [[ ${haltopt} -eq 0 ]]; then
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${shutdowncommand}
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else
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${rebootcommand}
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fi
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else
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mainmenu
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fi
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}
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xstart() {
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# Start X
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if [ ${loginshell} == "yes" ]; then
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if [ ${wm_bin} == "gnome-session" ]; then
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exec bash --login -c "startx /usr/share/cdm/xinitrc -- :${display} &> /dev/null" &
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else
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exec ck-launch-session bash --login -c "startx /usr/share/cdm/xinitrc -- :${display} &> /dev/null" &
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fi
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else
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if [ ${wm_bin} == "gnome-session" ]; then
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exec startx /usr/share/cdm/xinitrc -- :${display} &> /dev/null &
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else
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exec ck-launch-session startx /usr/share/cdm/xinitrc -- :${display} &> /dev/null &
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fi
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fi
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}
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mainmenu
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