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Mister Spy & Souheyl Bypass Shell

#!/bin/sh

set -e

if dpkg-maintscript-helper supports mv_conffile; then
  dpkg-maintscript-helper mv_conffile \
    /etc/lightdm.conf \
    /etc/lightdm/lightdm.conf \
    0.3.7-0ubuntu2 -- "$@"
fi    

. /usr/share/debconf/confmodule

THIS_PACKAGE=lightdm
DEFAULT_DISPLAY_MANAGER_FILE=/etc/X11/default-display-manager

# creating lightdm group if he isn't already there
if ! getent group lightdm >/dev/null; then
        addgroup --system lightdm
fi

# creating lightdm user if he isn't already there
if ! getent passwd lightdm >/dev/null; then
        adduser --system --ingroup lightdm --home /var/lib/lightdm lightdm
        usermod -c "Light Display Manager" lightdm
        usermod -d "/var/lib/lightdm"      lightdm
        usermod -g "lightdm"               lightdm
        usermod -s "/bin/false"            lightdm
fi

# Creating nopasswdlogin group if he isn't already there.
# That enables the password-less login feature in the users-admin
# tool of the gnome-system-tools for users that belong to it,
# and which is working thanks to LightDM's PAM policy.
if ! getent group nopasswdlogin >/dev/null; then
        addgroup --system nopasswdlogin
fi

if [ -d /var/lib/lightdm ]; then
  chown -R lightdm:lightdm /var/lib/lightdm || true
  chmod 0750 /var/lib/lightdm
fi

# debconf is not a registry, so we only fiddle with the default file if it
# does not exist
if ! [ -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
  DEFAULT_DISPLAY_MANAGER=
  if db_get shared/default-x-display-manager; then
    DEFAULT_DISPLAY_MANAGER="$RET"
  fi
  if [ -n "$DEFAULT_DISPLAY_MANAGER" ]; then
    DAEMON_NAME=
    if db_get "$DEFAULT_DISPLAY_MANAGER"/daemon_name; then
      DAEMON_NAME="$RET"
    fi
    if [ -z "$DAEMON_NAME" ]; then
      # if we were unable to determine the name of the selected daemon (for
      # instance, if the selected default display manager doesn't provide a
      # daemon_name question), guess
      DAEMON_NAME=$(which "$DEFAULT_DISPLAY_MANAGER" 2>/dev/null)
    fi
    if [ -n "$DAEMON_NAME" ]; then
      echo "$DAEMON_NAME" > "$DEFAULT_DISPLAY_MANAGER_FILE"
    fi
  fi
fi

# Registering the init scripts or starting the daemon may cause output to
# stdout, which can confuse debconf.
db_stop

DEFAULT_SERVICE=/etc/systemd/system/display-manager.service
# set default-display-manager systemd service link according to our config
if [ "$1" = configure ] && [ -d /etc/systemd/system/ ]; then
  if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
    SERVICE=/lib/systemd/system/$(basename $(cat "$DEFAULT_DISPLAY_MANAGER_FILE")).service
    if [ -h "$DEFAULT_SERVICE" ] && [ $(readlink "$DEFAULT_SERVICE") = /dev/null ]; then
      echo "Display manager service is masked" >&2
    elif [ -e "$SERVICE" ]; then
      ln -sf "$SERVICE" "$DEFAULT_SERVICE"
    else
      echo "WARNING: $SERVICE is the selected default display manager but does not exist" >&2
      rm -f "$DEFAULT_SERVICE"
    fi
  else
    rm -f "$DEFAULT_SERVICE"
  fi
fi

case "$1" in
    configure)
        # LP: #1189948
        if dpkg --compare-versions "$2" lt "1.7.0-0ubuntu6" ; then
            if [ -f /etc/apparmor.d/abstractions/lightdm ]; then
                chmod 0644 /etc/apparmor.d/abstractions/lightdm || true
            fi
            if [ -f /etc/apparmor.d/abstractions/lightdm_chromium-browser ]; then
                chmod 0644 /etc/apparmor.d/abstractions/lightdm_chromium-browser || true
            fi
        fi
        ;;
esac

# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper rm_conffile /etc/lightdm/lightdm.conf.d/50-xserver-command.conf 1.9.5-0ubuntu1 -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper rm_conffile /etc/lightdm/lightdm.conf.d/50-greeter-wrapper.conf 1.9.5-0ubuntu1 -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper rm_conffile /etc/lightdm/lightdm.conf.d/50-guest-wrapper.conf 1.9.5-0ubuntu1 -- "$@"
# End automatically added section
# Automatically added by dh_installinit/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "/etc/init.d/lightdm" ]; then
		update-rc.d lightdm defaults >/dev/null || exit 1
	fi
fi
# End automatically added section


exit 0