Alcuni esempi di configurazione di XDM per più display

! $Xorg: xdm-conf.cpp,v 1.3 2000/08/17 19:54:17 cpqbld Exp $
! $XdotOrg: $
!
! $XFree86: xc/programs/xdm/config/xdm-conf.cpp,v 1.10 2002/11/30 19:11:32 herrb Exp $
!

DisplayManager.errorLogFile:    /var/log/xdm.log
DisplayManager.pidFile:         /var/run/xdm.pid
DisplayManager.keyFile:         /etc/X11/xdm/xdm-keys
DisplayManager.servers:         /etc/X11/xdm/Xservers
DisplayManager.accessFile:      /etc/X11/xdm/Xaccess
DisplayManager*resources:       /etc/X11/xdm/Xresources
DisplayManager.willing:         /usr/lib/X11/xdm/Xwilling
! All displays should use authorization, but we cannot be sure
! X terminals may not be configured that way, so they will require
! individual resource settings.
DisplayManager*authorize:       true
!DisplayManager._0.authorize:   true
!
DisplayManager*chooser:         /usr/lib/X11/xdm/chooser
DisplayManager*startup:         /usr/lib/X11/xdm/Xstartup
!DisplayManager*startup:        /etc/X11/xdm/Xstartup_other
DisplayManager*session:         /usr/lib/X11/xdm/Xsession
DisplayManager*reset:           /usr/lib/X11/xdm/Xreset
DisplayManager*authComplain:    true
! The following three resources set up display :0 as the console.
DisplayManager._0.setup:        /etc/X11/xdm/Xsetup_0
DisplayManager._0.startup:      /etc/X11/xdm/Xstartup_0
DisplayManager._0.reset:        /etc/X11/xdm/Xreset_0
DisplayManager._1.setup:        /etc/X11/xdm/Xsetup_1
DisplayManager._1.startup:      /etc/X11/xdm/Xstartup_1
DisplayManager._1.reset:        /etc/X11/xdm/Xreset_1


DisplayManager*loginmoveInterval:       10

! SECURITY: do not listen for XDMCP or Chooser requests
! Comment out this line if you want to manage X terminals with xdm
!DisplayManager.requestPort:    0

#!/bin/dash
#
# /etc/X11/xdm/Xsetup_0
#
# This script is run whenever xdm is asked to manage a display on :0

XDM_OPTIONS='/etc/X11/xdm/xdm.options'
MYDISPLAY=$(echo $DISPLAY | tr \: _)
SYSMODMAP='/etc/X11/Xmodmap'

if grep -qs ^run-xconsole_0 "$XDM_OPTIONS"
then if test -f "/var/run/xconsole_$MYDISPLAY.pid"
     # kill any running xconsole
     then pid=$(cat "/var/run/xconsole_$MYDISPLAY.pid")
         if test "$pid"
         then kill $pid 2> /dev/null
         fi
         rm -f "/var/run/xconsole_$MYDISPLAY.pid"
     fi
     # start fresh xconsole and store its PID
     xconsole -geometry 600x130-0-0 -notify -verbose -fn fixed \
              -exitOnFail -saveLines 200 -file /dev/xconsole &
     echo $! > "/var/run/xconsole_$MYDISPLAY.pid"
fi

if test -x /usr/bin/xmodmap -a -f "$SYSMODMAP"
then xmodmap "$SYSMODMAP"
fi

if grep -qs ^run-xscreensaver_0 "$XDM_OPTIONS"
then if test -f "/var/run/xscreensaver_$MYDISPLAY.pid"
     then xspid=$(cat "/var/run/xscreensaver_$MYDISPLAY.pid")
          if test -n "$xspid"
          then kill -TERM "$xspid" 2> /dev/null
          fi
          rm -f "/var/run/xscreensaver_$MYDISPLAY.pid"
     fi
     xhost +localhost  # This gives X access to anyone capable of logging in locally
     xscreensaver-command -exit
     xscreensaver -no-splash &
     echo $! > "/var/run/xscreensaver_$MYDISPLAY.pid"
fi

if grep -qs ^run-xclock_0 "$XDM_OPTIONS"
then if test -f "/var/run/xclock_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xclock_$MYDISPLAY.pid") 2>/dev/null
     rm -f "/var/run/xclock_$MYDISPLAY.pid"
     fi
     if test -x /usr/bin/xclock
     then /usr/bin/xclock -analog -update 1 -geometry 200x200+0+0 &
          echo $! > "/var/run/xclock_$MYDISPLAY.pid"
     fi
fi

if grep -qs ^run-xload_0 "$XDM_OPTIONS"
then if test -f "/var/run/xload_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xload_$MYDISPLAY.pid") 2>/dev/null
          rm -f "/var/run/xload_$MYDISPLAY.pid"
     fi
     if test -x /usr/bin/xload
     then /usr/bin/xload -fg black -bg white -hl blue -geometry 600x130+0-0 &
          echo $! > "/var/run/xload_$MYDISPLAY.pid"
     fi
fi

COLOUR="$(grep '^bgcolour-' "$XDM_OPTIONS" | cut -f 2 -d -)"
which xsetroot > /dev/null 2>&1
if test $? -eq 0 -a -n "$COLOUR"
then xsetroot -solid "$COLOUR"
fi

#!/bin/dash
#
# /etc/X11/xdm/Xstartup_0
#
# This script is run as root after a user starts a session on :0.

set -e
XDM_OPTIONS='/etc/X11/xdm/xdm.options'
MYDISPLAY=$(echo $DISPLAY | tr \: _)

# Assign ownership of the console to the invoking user
# $Xorg: GiveConsole,v 1.3 2000/08/17 19:54:17 cpqbld Exp $
#
# By convention, both xconsole and xterm -C check that the
# console is owned by the invoking user and is readable before attaching
# the console output.  This way a random user can invoke xterm -C without
# causing serious grief.
#
chown $USER /dev/console

# Call the global Xstartup script, if it exists
if test -x /etc/X11/xdm/Xstartup
  then /etc/X11/xdm/Xstartup || exit $?
fi

# :0 specific startup commands go here

if grep -qs ^run-xclock_0 "$XDM_OPTIONS"
then if test -f "/var/run/xclock_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xclock_$MYDISPLAY.pid") 2>/dev/null
          rm -f "/var/run/xclock_$MYDISPLAY.pid"
     fi
fi

if grep -qs ^run-xscreensaver_0 "$XDM_OPTIONS"
then if test -f "/var/run/xscreensaver_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xscreensaver_$MYDISPLAY.pid") 2>/dev/null
          rm -f /var/run/xscreensaver_$MYDISPLAY.pid
     fi
fi

if grep -qs ^run-xconsole_0 "$XDM_OPTIONS"
then if test -f "/var/run/xconsole_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xconsole_$MYDISPLAY.pid") 2>/dev/null
          rm -f "/var/run/xconsole_$MYDISPLAY.pid"
     fi
fi

if grep -qs ^run-xload_0 "$XDM_OPTIONS"
then if test -f "/var/run/xload_$MYDISPLAY.pid"
     then kill -TERM $(cat "/var/run/xload_$MYDISPLAY.pid") 2>/dev/null
          rm -f "/var/run/xload_$MYDISPLAY.pid"
     fi
fi

#!/bin/dash
#
# /etc/X11/xdm/Xstartup
#
# This script is run as root after the user logs in.
# If this script exits with a return code other than 0, the user's
# session will not be started.

set -e

XDM_OPTIONS='/etc/X11/xdm/xdm.options'

if grep -qs ^ignore-nologin "$XDM_OPTIONS"
then if test -f /etc/nologin
     then if command -v xmessage &> /dev/null
          then xmessage -file /etc/nologin -geometry 640x480
          fi
     fi
elif test -f /etc/nologin
then if command -v xmessage &> /dev/null
     then xmessage -file /etc/nologin -geometry 640x480
     fi
     exit 1
fi

if grep -qs ^motd "$XDM_OPTIONS"
then if test -x /usr/bin/xmessage -a -e /etc/motd
     then xmessage -nearmouse -file /etc/motd -timeout 60 -default Continua \
     -buttons Continua:0,Cancella:2
         # Usa una struttura "case" per estendere facilmente il costrutto
         # dopo aver aggiunto altri bottoni a xmessage
         case "$?" in
		1|2) exit 1 ;;
         esac
     fi
fi

# insert a utmp entry for the session
if grep -qs ^use-sessreg "$XDM_OPTIONS" ; then
  exec sessreg -a -l "$DISPLAY" -u /var/run/utmp -x /etc/X11/xdm/Xservers "$USER"
fi

#!/bin/dash
#
# /etc/X11/xdm/Xreset_0
#
# This script is run as root after the session on :0 ends.

XDM_OPTIONS='/etc/X11/xdm/xdm.options'
MYDISPLAY=$(echo $DISPLAY | tr \: _)

# Reassign ownership of the console to root, this should disallow
# assignment of console output to any random users's xterm
# $Xorg: TakeConsole,v 1.3 2000/08/17 19:54:17 cpqbld Exp $
#
chmod 622 /dev/console
chown root /dev/console

# Call the global Xreset script, if it exists
# Questo file si prende cura di sessreg
test -x /etc/X11/xdm/Xreset && /etc/X11/xdm/Xreset

# :0 specific reset commands go here
if grep -qs ^run-xconsole_0 "$XDM_OPTIONS"
then if test -f "/var/run/xconsole_$MYDISPLAY.pid"
     then pid=$(cat "/var/run/xconsole_$MYDISPLAY.pid")
        if test "$pid"
        then kill "$pid" 2> /dev/null
        fi
        rm -f "/var/run/xconsole_$MYDISPLAY.pid"
     fi
fi

#!/bin/dash
#
# /etc/X11/xdm/Xreset
#
# This script is run as root after any X session ends.

# Remove the utmp entry for the session
if grep -qs ^use-sessreg /etc/X11/xdm/xdm.options
then sessreg -d -l "$DISPLAY" -u /var/run/utmp -x /etc/X11/xdm/Xservers "$USER"
fi

exit 0

# $Id$
#
# configuration options for xdm
# See xdm.options(5) for an explanation of the available options.

no-ignore-nologin
no-restart-on-upgrade
no-start-on-install
use-sessreg
no-motd
run-xconsole_0
run-xconsole_1
run-xconsole_other
no-run-xscreensaver_0
no-run-xscreensaver_1
no-run-xscreensaver_other
run-xclock_0
run-xclock_1
run-xclock_other
run-xload_0
run-xload_1
run-xload_other
bgcolour-blue4
#no-beep

# $Xorg: Xserv.ws.cpp,v 1.3 2000/08/17 19:54:17 cpqbld Exp $
#
# Xservers file, workstation prototype
#
# This file should contain an entry to start the server on the
# local display; if you have more than one display (not screen),
# you can add entries to the list (one per line).  If you also
# have some X terminals connected which do not support XDMCP,
# you can add them here as well.  Each X terminal line should
# look like:
#	XTerminalName:0 foreign
#
:0 PCViaK6II-500 local /usr/bin/Xorg :0 vt9
:1 PCViaK6II-500 local /usr/bin/Xorg :1 vt10