#!/bin/sh

# forrep 1.0 by Doug Muth (dmuth@ot.com)
# This program may be freely distributed, hacked, whatever...
# I would appreciate a note however if you are changing it or including
# it in some software package so I know where to look for it. :-)

# This program is designed to be used in conjunction with procmail
# and with formail, which is part of the procmail package.

# Suggested uses: an autoresponder, a spam rejector, a way to stop harassers

# This program accepts RFC 822 mail from stdin, generates a replying
# set of headers, including additional addresses which can be specified
# on the command line, includes any text files, quotes the original e-mail
# with COMPLETE HEADERS, and sends everything to stdout, which can be piped
# into sendmail for transmission.

# Sample .procmailrc recipe file for calling forrep:
#
#	:0 E
#	* ^From:.*cyberpromo.com
#	| $MAILDIR/forrep [filenames] [recipients] \
#	| $SENDMAIL -oi -t
#
# Upon invocation, forrep will determine if the arguements are filenames
# or e-mail addresses which makes very good flexibility. :-)
# If you want to BCC a copy of the resulting e-mail to yourself, change
# that last line to be:
#
#	| $MAILDIR/forrep [filenames] [recipients] \
#	| $FORMAIL -I "BCC: $USER" | $SENDMAIL -oi -t


# Caution: I *STRONGLY* suggest running this by hand and making sure that 
# this works on your system BEFORE you go and implement this into procmail
# as nasty things could happen

#sets up our temp files
# change the date command to suit your system, this should work though...
TMP=/tmp/autoreply.`date +%H%M%S`
touch $TMP
chmod 600 $TMP
TMP2=/tmp/autoreply.file.`date +%H%M%S`
touch $TMP2
chmod 600 $TMP2

# copies the e-mail message into this file
cat >$TMP

# "null string"
TO="null"

# who am I?  For the X-loop: header
SELF=dmuth@ot.com

# location of formail, this may need to be changed
FORMAIL="./formail"

# this should sort out the arguements between files and e-mail addresses

while test $# -gt 0
do
	if test -r $1
		then
		cat $1 >>$TMP2
		else
		if test "$TO" = "null"
			then
			TO=$1
			else
			TO="$TO, $1"
		fi
	fi
	shift
done

# output the headers,
if test "$TO" = "null" 
	then
	cat $TMP |$FORMAIL -rt \
	-I"X-Loop: $SELF" -I"X-Autoresponder: forrep 1.0"
	else
	cat $TMP |$FORMAIL -rt -I"Cc: $TO" \
	-I"X-Loop: $SELF" -I"X-Autoresponder: forrep 1.0"
fi

# output the files
cat $TMP2

# quote the e-mail message and output it
sed s/"^"/">"/ <$TMP

# cleanup
rm -f $TMP
rm -f $TMP2

# let's get out of here!