kdm 4:4.11.13-2 / etc / init.d / kdm

#!/bin/sh -e
### BEGIN INIT INFO
# Provides:          kdm
# Required-Start:    $local_fs $remote_fs
# Required-Stop:     $local_fs $remote_fs
# Should-Start:      console-screen kbd acpid dbus krb5-kdc
# Should-Stop:       console-screen kbd
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: X display manager for KDE
# Description:       KDM manages a collection of X servers, which may be on the local host or remote machines.
### END INIT INFO
# /etc/init.d/kdm: start or stop the X display manager
# Script originally stolen from the xdm package
#
# description: K Display Manager
#

# import the LSB init functions
. /lib/lsb/init-functions

# set the locale
if [ -r /etc/default/locale ]; then
  . /etc/default/locale
  export LANG LANGUAGE
fi

# to start kdm even if it is not the default display manager, change
# HEED_DEFAULT_DISPLAY_MANAGER to "false."
HEED_DEFAULT_DISPLAY_MANAGER=true
DEFAULT_DISPLAY_MANAGER_FILE=/etc/X11/default-display-manager

PATH=/bin:/usr/bin:/sbin:/usr/sbin
DAEMON=/usr/bin/kdm
PIDFILE=/var/run/kdm.pid
UPGRADEFILE=/var/run/kdm.upgrade

setup_config () {
  # parameters to support kdm customization
  KDMRC=/etc/kde4/kdm/kdmrc
  BACKGROUNDRC=/etc/kde4/kdm/backgroundrc

  # if configuration is changed by kdmtheme or other tools, don't do magick
  if grep -q "^[[:space:]]*Theme=@@@ToBeReplacedByDesktopBase@@@" ${KDMRC}; then

    KDMOVERRIDEDIR=/etc/default/kdm.d
    KDMCFGDIR=/var/run/kdm
    KDMCFG=$KDMCFGDIR/kdmrc
    BACKGROUNDCFG=$KDMCFGDIR/backgroundrc
    DEFAULT_KDM_THEME=/usr/share/kde4/apps/kdm/themes/elarun

    test -x $DAEMON || exit 0

    # uncomment, if you want auto-logon to be runlevel-dependant
    #test "$runlevel" || { runlevel=`runlevel`; runlevel=${runlevel#* }; }
    #test "$runlevel" = 4 && ARG=-autolog || ARG=-noautolog

    # uncomment, if you want tons of debug info in your syslog
    #ARG="$ARG -debug 255"

    # we use an alternative kdm master configuration file
    ARG="$ARG -config $KDMCFG"

    # we generate kdm configuration files
    genkdmconf --in $KDMCFGDIR 1> /dev/null

    # we source overrides. run-parts sorts the list in a predictable order
    if [ -d "$KDMOVERRIDEDIR" ]; then
      for part in $(run-parts --list "$KDMOVERRIDEDIR" 2>/dev/null || true); do
        . "$part"
      done
    fi

    # we update kdm configuration files (only overridden values)
    [ -n "$USEBACKGROUND" ] && sed -i "s|^#\?UseBackground=.*|UseBackground=$USEBACKGROUND|" $KDMCFG
    [ -n "$BACKGROUNDCFG" ] && sed -i "s|^#\?BackgroundCfg=.*|BackgroundCfg=$BACKGROUNDCFG|" $KDMCFG
    [ -n "$USETHEME" ] && sed -i "s|^#\?UseTheme=.*|UseTheme=$USETHEME|" $KDMCFG
    [ -n "$THEME" ] && [ -e "$THEME" ] && sed -i "s|^#\?Theme=.*|Theme=$THEME|" $KDMCFG
    [ -n "$LANGUAGE" ] && sed -i "s|^#\?Language=.*|Language=$LANGUAGE|" $KDMCFG

    if grep -q "^[[:space:]]*Wallpaper=stripes.png" ${BACKGROUNDRC}; then
      [ -n "$WALLPAPER" ] && [ -e "$WALLPAPER" ] && sed -i "s|^#\?Wallpaper=.*|Wallpaper=`readlink -f $WALLPAPER`|" $BACKGROUNDCFG
    fi

    # usetheme is now on "by default" so we need to be sure Theme is not invalid ...
    sed -i "s|@@@ToBeReplacedByDesktopBase@@@|$DEFAULT_KDM_THEME|" ${KDMCFG}

    # autologin overrides are useful for live debian environment
    if [ -n "$AUTOLOGINUSER" ]; then
      sed -i "s|^#\?AutoLoginEnable=.*|AutoLoginEnable=true|" $KDMCFG
      sed -i "s|^#\?AutoLoginUser=.*|AutoLoginUser=$AUTOLOGINUSER|" $KDMCFG
    fi
    [ -n "$AUTOLOGINDELAY" ] && sed -i "s|^#\?AutoLoginDelay=.*|AutoLoginDelay=$AUTOLOGINDELAY|" $KDMCFG
    [ -n "$AUTOLOGINAGAIN" ] && sed -i "s|^#\?AutoLoginAgain=.*|AutoLoginAgain=$AUTOLOGINAGAIN|" $KDMCFG
    [ -n "$AUTOLOGINLOCKED" ] && sed -i "s|^#\?AutoLoginLocked=.*|AutoLoginLocked=$AUTOLOGINLOCKED|" $KDMCFG
  fi
  return 0
}

# If we upgraded the daemon, we can't use the --exec argument to
# start-stop-daemon since the inode will have changed.  The risk here is that
# in a situation where the daemon died, its pidfile was not cleaned up, and
# some other process is now running under that pid, start-stop-daemon will send
# signals to an innocent process.  However, this seems like a corner case.
# C'est la vie!
if [ -e $UPGRADEFILE ]; then
  SSD_ARGS="--pidfile $PIDFILE --startas $DAEMON"
else
  SSD_ARGS="--pidfile $PIDFILE --exec $DAEMON"
fi

still_running () {
  if expr "$(cat /proc/$DAEMONPID/cmdline 2> /dev/null)" : "$DAEMON" > /dev/null 2>&1; then
    true
  else
    # if the daemon does not remove its own pidfile, we will
    rm -f $PIDFILE $UPGRADEFILE
    false
  fi;
}

case "$1" in
  start)
    setup_config
    if [ -e $DEFAULT_DISPLAY_MANAGER_FILE ] &&
       [ "$HEED_DEFAULT_DISPLAY_MANAGER" = "true" ] &&
       [ "$(cat $DEFAULT_DISPLAY_MANAGER_FILE)" != "$DAEMON" ]; then
      log_action_msg "Not starting K Display Manager (kdm); it is not the default display manager."
    else
      log_daemon_msg "Starting K Display Manager" "kdm"
      if start-stop-daemon --start --quiet $SSD_ARGS -- $ARG ; then
        log_end_msg 0
      else
        log_action_end_msg 1 "already running"
      fi
    fi
  ;;

  restart)
    /etc/init.d/kdm stop
    if [ -f $PIDFILE ]; then
      if still_running; then
        exit 1
      fi
    fi
    /etc/init.d/kdm start
  ;;

  reload)
    log_action_begin_msg "Reloading K Display Manager configuration..."
    if start-stop-daemon --stop --signal 1 --quiet $SSD_ARGS; then
      log_action_end_msg 0
    else
      log_action_end_msg 1 "kdm not running"
    fi
  ;;

  force-reload)
    /etc/init.d/kdm reload
  ;;

  stop)
    log_action_begin_msg "Stopping K Display Manager: kdm"
    if [ ! -f $PIDFILE ]; then
      log_action_end_msg 0 " not running ($PIDFILE not found)"
      exit 0
    else
      DAEMONPID=$(cat $PIDFILE | tr -d '[:blank:]')
      KILLCOUNT=1
      if [ ! -e $UPGRADEFILE ]; then
        if start-stop-daemon --stop --quiet $SSD_ARGS; then
          # give kdm's signal handler a second to catch its breath
          sleep 1
        else
          log_action_cont_msg " not running"
        fi
      fi
      while [ $KILLCOUNT -le 5 ]; do
        if still_running; then
          kill $DAEMONPID
        else
          break
        fi
        sleep 1
        KILLCOUNT=$(( $KILLCOUNT + 1 ))
      done
      if still_running; then
        log_action_cont_msg " not responding to TERM signal (pid $DAEMONPID)"
      else
        rm -f $UPGRADEFILE
      fi
    fi
    log_action_end_msg 0
  ;;
  status)
    status_of_proc -p "$PIDFILE" "$DAEMON" kdm && exit 0 || exit $?
  ;;

  *)
    echo "Usage: /etc/init.d/kdm {start|stop|restart|reload|force-reload|status}"
    exit 1
    ;;
esac

exit 0