#!/bin/sh

set -e

case "$1" in
  remove|deconfigure)

	# Include CARNet functions
	. /usr/share/carnet-tools/functions.sh
	
	PKG="squirrelmail-change-pass-cn"
	SQCONFDIR="/etc/squirrelmail"
	SQCONF="$SQCONFDIR/config.php"
	CPCONF="/usr/share/squirrelmail/plugins/change_pass/config.php"
	need_restart=0
	
	# Remove CARNet configuration from /etc/hosts.allow and
	# /etc/hosts.deny.
	#
	if [ -f /etc/hosts.allow ]; then
		cp-update -r "$PKG" /etc/hosts.allow
	fi
	if [ -f /etc/hosts.deny ]; then
		cp-update -r "$PKG" /etc/hosts.deny
	fi

	# Remove SquirrelMail change_pass plugin from SquirrelMail
	# configuration.
	#
	if egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
		cp_echo "CN: Disabling SquirrelMail change_pass plugin in $SQCONF"
		/usr/sbin/squirrelmail-configure --remove-plugin change_pass
	fi

	# Backup change_pass configuration file (if any) and notify user.
	#
	if [ -f "$CPCONF" ]; then
		cp_echo "CN: Doing backup for $CPCONF"
		cp_backup_conffile -d "/var/backups/$PKG" -p $CPCONF
		rm -f $CPCONF
		rm -f $CPCONF.cn-old
		cp_echo "CN: Backup is located in directory: /var/backups/$PKG/"
	fi

	# Remove poppassd service from xinetd.
	#
	if [ -f /etc/xinetd.d/poppassd ]; then
	
		if egrep -q "^# Begin update by CARNet package " /etc/xinetd.d/poppassd; then
		
			cp_echo "CN: Removing poppassd service from xinetd configuration"
			rm -f /etc/xinetd.d/poppassd
			need_restart=1
		fi
	fi

	# Restart xinetd if needed.
	#
	if [ $need_restart -eq 1 ]; then

            if [ -x "/etc/init.d/xinetd" ]; then
                if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
                        invoke-rc.d xinetd restart || exit $?
                else
                        /etc/init.d/xinetd restart || exit $?
                fi
            fi
	fi
	
	# Mail root.
	#
	cp_mail "$PKG"

	break
	;;
  upgrade)
	:
	;;
  failed-upgrade)
	;;
  *)
	echo "prerm called with unknown argument \$1'" >&2
	exit 0
	;;
esac

exit 0