#!/bin/bash
# mailrequest does my daily work in much less time
# jut by requesting standard querys to a default mailserver.
#
# written by Florian Baumann <flo@noqqe.de> 06-2010
# mailrequest is licensed under GPLv3. 
# See /usr/share/common-licenses/GPL-3 for details.

## vars
modus=$1 ; query=$2 ; host=$3
# defaults
defaulthost=mail.domain.de

## functions
# searching actual logfile
search () {
    ssh root@${host:-$defaulthost} "grep $query /var/log/mail.log"
    exit 0
}
# searching all logfiles
recursive () {
    ssh root@${host:-$defaulthost} "grep $query /var/log/mail.log ; zgrep $query /var/log/mail.log.*.gz"
    exit 0
}
# quota lookup for mailaddress in $query
quota () {
    echo "looking up for quota from $query on ${host:-$defaulthost}"
    user=$(echo $query | sed -e 's/\(.*\)\@.*/\1/g')
    domain=$(echo $query | sed -e 's/.*\@\(.*\)/\1/g')
    owner=$(ssh root@${host:-$defaulthost} "if [ -d /var/spool/imap/${domain}/${user}/ ]; then \
    ls -ld /var/spool/imap/${domain}/${user}/ ; fi " | awk '{print $3}')
    if [ -z $owner ]; then echo "user not found" ; exit 4 ; fi
    ssh root@${host:-$defaulthost} "repquota -avu | grep $owner"
    exit 0
}
helpmsg () {
    echo -e "usage:"
    echo -e "  mailrequest [options] pattern [server]"
    echo -e "options:"
    echo -e "  -s\t search for pattern in mail.log"
    echo -e "  -r\t search for pattern in mail.log and mail.log.*.gz"
    echo -e "  -q\t get quota from user. full address necessary"
    echo -e "  --help\t print this"
    exit 0
}

## security checks
# parameters
if [ $# -gt 3 -o $# -lt 1 ]; then helpmsg ; fi
if [ -z $modus ] || [ -z $query ]; then helpmsg ; fi

## usage case
case $modus in 
-s) search ;;
-r) recursive ;; 
-q) quota ;;
--help|*) helpmsg ;;
esac