#!/bin/sh

set -e

[ "$1" = "configure" ] || exit 0
[ $DEBIAN_SCRIPT_DEBUG ] && set -vx


PKG="squirrelmail-change-pass-cn"
SQCONF=/etc/squirrelmail/config.php

# Include CARNet functions
. /usr/share/carnet-tools/functions.sh


# Configure poppassd to refuse connection from all hosts
# but localhost (127.0.0.1).
#
if [ -e /etc/hosts.deny -a -e /etc/hosts.allow ]; then

  if ! egrep -q '^poppassd:' /etc/hosts.deny; then
	echo "poppassd: ALL" | cp-update "$PKG" /etc/hosts.deny
  fi

  if ! egrep -q '^poppassd:' /etc/hosts.allow; then
	echo "poppassd: 127.0.0.1" | cp-update "$PKG" /etc/hosts.allow
  fi
fi


# Enable change_pass plugin in SquirrelMail config.php.
#
if ! egrep '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then

  sq_last_plugin=`egrep '^\\$plugins\[[0-9]+\][\ ]*=[\ ]*'\' "$SQCONF" | sed 's/^.*\[//;s/\].*//' | sort -n | tail -n1` || true
  
  if [ -n "$sq_last_plugin" ]; then

	# Backup SquirrelMail configuration file.
	cp_check_and_backup "$SQCONF"

	change_pass_num=$sq_last_plugin
	let change_pass_num++
	
	SQCONFTMP=`mktemp $SQCONF.tmp.XXXXXX`

	echo -n "CN: Enabling SquirrelMail change_pass plugin in $SQCONF"
	sed '/^$plugins\[.*'${sq_last_plugin}'\]/a $plugins['${change_pass_num}'] = '\''change_pass'\'';' "$SQCONF" > "$SQCONFTMP"
	cp_mv "$SQCONFTMP" "$SQCONF"
	echo "."
  fi

fi


# Convert poppassd service from inetd.conf to xinetd.conf type.
# Service configuration is saved in /etc/xinetd.d/ directory.
#
if [ -x /etc/init.d/xinetd -a -d /etc/xinetd.d -a -x /usr/sbin/itox ]; then

  if egrep -q '^poppassd' /etc/inetd.conf && \
     [ ! -e /etc/xinetd.d/poppassd ]; then

	echo -n "CN: Enabling poppassd in /etc/xinetd.d/poppassd"

	touch /etc/xinetd.d/poppassd.$$
	grep "^poppassd" /etc/inetd.conf  | \
		itox -daemon_dir /usr/sbin | cp-update "$PKG" /etc/xinetd.d/poppassd.$$
	cp_mv /etc/xinetd.d/poppassd.$$ /etc/xinetd.d/poppassd

	changed_config=1
	echo "."
  fi
fi


# Restart xinetd if needed.
#
[ "$changed_config" ] && do=reload
pgrep -u root -f /usr/sbin/xinetd > /dev/null || do=start

if [ "$do" ]; then

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

exit 0