########################
#postfix-filter.sh v0.2#
########################

INSPECT_DIR=/var/spool/filter
SENDMAIL="/usr/sbin/sendmail -i"
ANOMY=/usr/share/sanitizer/
SANITIZER=/usr/bin/sanitizer
ANOMY_CONF=/etc/sanitizer.cfg
SPAMASSASSIN=/usr/bin/spamc
TMPROOT="/tmp/"
STRING="[VIRUS]"
DATE="$(date +%Y%m%d-%H%M%N)"
ANOMY_LOG=$TMPROOT/eml-$DATE.log

export ANOMY


# Exit codes from <sysexits.h>
EX_TEMPFAIL=75
EX_UNAVAILABLE=69

cd $INSPECT_DIR || { echo $INSPECT_DIR does not exist; exit $EX_TEMPFAIL; }

# Clean up when done or when aborting.
trap "rm -f out.$$" 0 1 2 3 15

#cat | $SANITIZER $ANOMY_CONF 'feat_log_stderr = 1' 2>$ANOMY_LOG   \
cat | $SANITIZER $ANOMY_CONF 'feat_log_stderr = 1' 2>$ANOMY_LOG  | $SPAMASSASSIN  \
	> out.$$ || { echo Message content rejected; exit $EX_UNAVAILABLE; }

grep -i -e "Enforced policy: save" -e "Enforced policy: drop" $ANOMY_LOG

if [ $? = "0" ];
then
	VAR=$(formail -x"Subject:" out.$$)
	cat out.$$ | formail -I"Subject: $STRING$VAR" -I"X-Found-Virus: Yes" \
	| $SENDMAIL "$@" 
else

	cat out.$$ | $SPAMASSASSIN | $SENDMAIL "$@" 
	$SPAMASSASSIN < out.$$ | $SENDMAIL "$@" 

fi;

rm -f $ANOMY_LOG;
exit $?