localmailtransportupdate



#!/bin/sh
#
# /usr/local/sbin/localmailtransportinit
# Copyright 2006 Jonas Smedegaard <dr@jones.dk>
#
# $Id: localmailtransportupdate,v 1.2 2006-07-28 17:04:48 jonas Exp $
#
# Setup postfix transport map for a redpill organisation
#

set -e

PRG=`basename $0`

TEMP=$(getopt -s sh -o fid:h -l force,init,diffopts:,help -n "$PRG" -- "$@")
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$TEMP"

function usage()    {
    echo "Usage: $PRG [opts...]"
    echo
    echo "  -f, --force                Update without asking for confirmation"
    echo "  -i, --init                 Setup postfix to use the transport map"
    echo "  -d, --diffopts=diffopts    Extra options applied to diff when"
    echo "                             comparing current and new map"
    echo "    -h|--help                This help text"
    exit 1
}

function exit1()    {
    echo "Error: $1"
    echo "Exiting..."
    exit 1
}

force=""
init=""
diffopts=""
while true ; do
    case "$1" in
        -f|--force) force="1" ; shift ;;
        -i|--init) init="1" ; shift ;;
        -d|--diffopts) diffopts="1" ; shift ;;
        -h|--help) usage;;
        --) shift ; break ;;
        *) exit1 "Internal error!";;
    esac
done

firstitem() {
    file="$1"

    cat "$file" | grep -v '^#' | sed 's/#.*//' | head -n 1
}

items() {
    file="$1"

    cat "$file" | grep -v '^#' | sed 's/#.*//'
}

mktransportmap() {
    for realm in $@; do
        realmdir="/etc/local-$realm"
        [ -d "$realmdir/redpill" ] || continue
        mailhost="$(firstitem "$realmdir/redpill/mailhost")"
        maildomains="$(items "$realmdir/redpill/maildomains")"
        for maildomain in $maildomains; do
            echo "$maildomain   relay:$mailhost:submission"
        done
    done
}

mktransportmap $(items /etc/local-ORG/realms) > /etc/postfix/transport.new
if [ -f /etc/postfix/transport.addon ]; then
    cat /etc/postfix/transport.addon >> /etc/postfix/transport.new
fi
( cd /etc/postfix && diff $diffopts transport transport.new )
if [ "$force" = "1" ]; then
    do_update="y"
else
    echo -n "Above is the intended changes. OK to update (y/N)? "
    read do_update
fi
case $do_update in
    y|Y)
    mv /etc/postfix/transport.new /etc/postfix/transport
    postmap /etc/postfix/transport
    echo "Changes applied!"
    ;;
    *)
    echo "Aborted!"
    exit 1
    ;;
esac
if [ "$init" = "1" ]; then
    postconf -e "transport_maps = hash:/etc/postfix/transport"
    invoke-rc.d postfix reload
fi