#!/bin/bash # # # Copyright 2006, Michelle Konzack All rights reserved. # # # # Redistribution and use in source and binary forms, with or without # # modification, are permitted provided that the following conditions # # are met: # # # # 1. Redistributions of source code must retain the above copyright # # notice, this list of conditions and the following disclaimer. # # # # 2. Redistributions in binary form must reproduce the above # # copyright notice, this list of conditions and the following # # disclaimer in the documentation and/or other materials provided # # with the distribution. # # # # 3. Neither the name of Michelle Konzack nor the names of its # # contributors may be used to endorse or promote products derived # # from this software without specific prior written permission. # # # # THIS SOFTWARE IS PROVIDED BY MICHELLE KONZACK AND CONTRIBUTORS # # ``AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT # # NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND # # FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT # # SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, # # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR # # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, # # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # # VERSION=0.1.0 #. gettext.sh #TEXTDOMAIN=tdmailcrforward #TEXTDOMAINDIR=/usr/share/locale #################################################################### # A simpel help... if [ "$1" == "-h" ] || [ "$1" == "--help" ] || [ "$1" == "" ] ; then echo "\ tdmailcrforward $VERSION Coded by Michelle Konzack =============== This BASH script is under GNU GPL version 2.0 Usage: tdmailcrforward --spool | --smtp | --help >$CONFIG echo "" >>$CONFIG echo "ABUSEDIR=$HOME/Maildir/.ATTENTION.Abuse" >>$CONFIG echo "" >>$CONFIG echo "LOGDIR=$HOME/log/tdmailcrforward" >>$CONFIG echo "" >>$CONFIG echo "MTAOPT=\"ssmtp -t\"" >>$CONFIG echo "tdmailcrforward: error: you have not configured yet. please look at »$CONFDIR/tdmailcrforward«." exit 2 fi #################################################################### # Check for the existence of the LIST file LIST=$CONFDIR/LIST_crforward if [ ! -f "$LIST" ] ; then # echo "tdmailcrforward: error: the file which hold the blacklisted senders »$CONFDIR/LIST_crforward« does not exist." # touch $CONFDIR/LIST_crforward echo "tdmailcrforward: error: the file which hold the blacklisted senders »$CONFDIR/LIST_crforward« does not exist, but I will set them up to a default." echo "petsupermarket.sspam@uol.com.br: rhuol@uol.com.br, assineuol@uol.com.br, sos@uol.com.br, publicidade@uol.com.br, comercio.eletronico@uol.com.br, uol@uol.com.br" >$CONFDIR/LIST_crforward fi #################################################################### # Check whether the LIST file has contents or not STR=`cat $LIST` if [ -z "$STR" ] ; then echo "tdmailcrforward: error: the file which hold the blacklisted senders »$CONFDIR/LIST_crforward« is empty." exit 4 fi #################################################################### # Check for the existence of the spool directory . $CONFDIR/tdmailcrforward if [ ! -d $SPOOLDIR/ ] ; then mkdir -p $SPOOLDIR/{tmp,new,cur} if [ $? -ne 0 ] ; then echo "tdmailcrforward: error: can not create the spool directory »$SPOOLDIR«." exit 5 fi fi #################################################################### # Check for the existence of the abuse directory if [ ! -d $ABUSEDIR ] ; then mkdir -p $ABUSEDIR/{tmp,new,cur} if [ $? -ne 0 ] ; then echo "tdmailcrforward: error: can not create the spool directory »$ABUSEDIR«." exit 6 fi fi #################################################################### # Check for the existence of the log directory if [ ! -d $LOGDIR ] ; then mkdir -p $LOGDIR if [ $? -ne 0 ] ; then echo "tdmailcrforward: error: can not create the spool directory »$LOGDIR«." exit 7 fi fi #################################################################### # Create two tempfiles TMP1=`mktemp -t tdmailcrforward.1.XXXXXXXX` if [ $? -ne 0 ] ; then echo "tdmailcrforward: error: can not create temp files." exit 8 fi TMP2=`mktemp -t tdmailcrforward.2.XXXXXXXX` if [ $? -ne 0 ] ; then rm -f $TMP1 echo "tdmailcrforward: error: can not create temp files." exit 8 fi #################################################################### # Now we catch the stdin cat /dev/stdin >$TMP1 #################################################################### # Our main progi starts here TO=`cat $TMP1 |formail -czx To:` FROMORIG=`cat $TMP1 |formail -czx From:` MSGIDORIG=`cat $TMP1 |formail -czx Message-Id:` LOGDATE=`date "+%Y-%m"` DATELOG=`date "+%F %R:%S"` echo "$DATELOG : $FROMORIG" >$LOGDIR/$LOGDATE.log FROM=`echo "$FROMORIG" |sed -e "s/^.**$//"` RECP=`grep "^$FROM: " $LIST` if [ $? -eq 0 ] ; then RECP=`echo "$RECP" |cut -d " " -f2-` DATE=`date -R` MSGID=`date +%s` HN=`hostname --fqdn` echo "\ From: $TO To: $RECP Date: $DATE Subject: Recipient does not like Challange Reponses Message-Id: <$MSGID@$HN> In-Reply-To: $MSGIDORIG Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Who ever you are, please keep in mind, that you receive this automated message after I have received many others from the same address which bothering me. You or your mail relay has send an unwanted challenge reponse to me for a person I do not know. This is SPAM ! If you do not want further forwarded messages in your mailbox, stop SPAMING me with such stupid messages. And then think about spamers which forging From: adresses. So your challenge reponse system harm innocent peoples and internet users. Friendliest Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant ###################################################################### # # # Following a copy of the las SPAM you send me # # # ###################################################################### " >>$TMP2 cat $TMP1 >>$TMP2 if [ "$1" == "--spool" ] ; then let X=1 HNA=`hostname --alias` while [ -f $SPOOLDIR/$MSGID.$X.$HNA ] ; do let X=$X+1 done formail -f -I "X-TDMailCRForward: spool" <$TMP2 >>$SPOOLDIR/new/$MSGID.$X.$HNA else ################################################################ # We Try to send out the message let X=1 HNA=`hostname --alias` $MTAOPT <$TMP2 >/dev/null 2>&1 if [ $? -eq 0 ] ; then ############################################################## # OK, it was correctly send and now we try # to save the message with an unique name while [ -f $ABUSEDIR/cur/$MSGID.$X.$HNA:2,S ] ; do let X=$X+1 done formail -f -I "X-TDMailCRForward: smtp" < $TMP2 >$ABUSEDIR/cur/$MSGID.$X.$HNA:2,S else ############################################################## # OK, there was an error while sending which mean, we # should try to save the message with an unique name while [ -f $SPOOLDIR/new/$MSGID.$X.$HNA ] ; do let X=$X+1 done formail -f -I "X-TDMailCRForward: spool" < $TMP2 >$SPOOLDIR/new/$MSGID.$X.$HNA fi fi formail -f -I "X-TDMailCRForward: true" < $TMP1 else cat $TMP1 fi rm -f $TMP1 $TMP2 exit 0