postinst

#! /bin/sh

set -e

# -*- sh -*-
# This file can be included with #SCRIPTSCOMMON#

# Fire up debconf and ensure it is at least version 2.0
# Usage: load_debconf2 "$@"  - needed as debconf will exec the current script,
# passing the current shell parameters. So we must lift these into the shell
# function. Missing this caused bug #555151.
load_debconf2() {
   . /usr/share/debconf/confmodule
   if ! db_version 2.0; then
      echo >&2 "$0: need DebConf 2.0 or later"
      exit 1
   fi
}

# Usage: y=`quote_backslashes "$x"`
# Quotes each backslash in $x with another backslash, outputs result.
quote_backslashes() {
  echo -n "$1" | sed 's,\\,\\\\,g'
}

# Usage: hosts=`download_hostlist USER PASSWORD`
# Retrieves the DynDNS hosts of given user
download_hostlist() {
  local username=$1 password=$2
  # FIXME: protect against wget not installed
  wget "http://$username:$password@update.dyndns.com/text/gethostlist" -q -O -\
    | awk -F \: '{print $2, $4}' | sed -e "N;s/ \n/,/g" | sed -e "s/,/, /g"
}

# Retrieve the list of DynDNS hosts of the user's account from the DynDNS
# server and let the user select which hosts to update.
retrieve_dyndns_hostlist() {
  db_get ddclient/username	&& username="$RET"
  db_get ddclient/password	&& password="$RET"

  hostslist=`download_hostlist $username $password`

  # add the list to our multichoice template, then prompt the user
  db_subst ddclient/hostslist choices $hostslist
  db_input critical ddclient/hostslist || true
  db_go

  # set names using the host list to write it to the config file later
  db_get ddclient/hostslist
  hostslist=`echo "$RET" | sed -e "s/, /,/g"`
  db_set ddclient/names "$hostslist"

  # if the hostslist was blank, let the user know some possible reasons
  if [ -z $hostslist ]; then
    db_input high ddclient/blankhostslist || true
    db_go
  fi
}


case "$1" in
configure)
	
  load_debconf2 "$@"

  if [ ! -f /etc/ddclient.conf ]; then
    # get the values from the debconf database
    db_get ddclient/protocol 		&& protocol="$RET"
    db_get ddclient/server   		&& server="$RET"
    db_get ddclient/names    		&& names="$RET"
    db_get ddclient/username 		&& username="$RET"
    db_get ddclient/password \
      && password=$(echo "$RET"|sed -e "s/'/\\\\'/g")
    db_get ddclient/interface
	if [ "$RET" ]; then
		interface="use=if, if=$RET"
	else
		db_get ddclient/checkip
		if [ "$RET" = "true" ]; then
			interface="use=web, web=checkip.dyndns.com, web-skip='IP Address'"
		fi
	fi

    # create configuration file /etc/ddclient.conf
    config=`mktemp /etc/ddclient.conf.XXXXXX`
    trap "rm -f $config; exit 1" HUP INT QUIT TERM
    password_quoted=`quote_backslashes "$password"`
    cat <<EOF >>"$config"
# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf

protocol=$protocol
$interface
server=$server
login=$username
password='$password_quoted'
$names
EOF
    mv $config /etc/ddclient.conf


    # create /etc/default/ddclient if it does not exist
    if [ ! -f /etc/default/ddclient ]; then
      db_get ddclient/run_daemon			&& run_daemon="$RET"
      db_get ddclient/daemon_interval		&& daemon_interval="$RET"
      db_get ddclient/run_ipup				&& run_ipup="$RET"
      temp=`mktemp /etc/default/ddclient.XXXXXX`
      trap "rm -f $temp; exit 1" HUP INT QUIT TERM
      cat <<EOF >"$temp"
# Configuration for ddclient scripts 
# generated from debconf on $(date)
#
# /etc/default/ddclient

# Set to "true" if ddclient should be run every time a new ppp connection is 
# established. This might be useful, if you are using dial-on-demand.
run_ipup="$run_ipup"

# Set to "true" if ddclient should run in daemon mode
# If this is changed to true, run_ipup must be set to false.
run_daemon="$run_daemon"

# Set the time interval between the updates of the dynamic DNS name in seconds.
# This option only takes effect if the ddclient runs in daemon mode.
daemon_interval="$daemon_interval"
EOF
      mv $temp /etc/default/ddclient
	

    fi
  fi

  db_stop

    ;;


    abort-upgrade|abort-remove|abort-deconfigure)

    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 0
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_installinit
if [ -x "/etc/init.d/ddclient" ] || [ -e "/etc/init/ddclient.conf" ]; then
	if [ ! -e "/etc/init/ddclient.conf" ]; then
		update-rc.d ddclient start 20 2 3 4 5 . stop 20 1 . >/dev/null
	fi
	invoke-rc.d ddclient start || exit $?
fi
# End automatically added section


exit 0
ddclient 3.8.1-1ubuntu2 / postinst
