44 lines
1.3 KiB
Bash
Executable File
44 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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FILTER=/usr/bin/bogofilter
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# Attempt to read from bogofilter configuration.
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FILTER_DIR=$(cat /etc/bogofilter.cf | sed 's/#.*//g' | grep ^bogofilter_dir | awk -F = '{ print $2 }')
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# WARNING! The -i is crucial, else you may see
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# messages truncated at the first period that is alone on a line
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# (which can happen with several kinds of messages, particularly
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# quoted-printable)
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# -G is ignored before Postfix 2.3 and tells it that the message
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# does not originate on the local system (Gateway submission),
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# so Postfix avoids some of the local expansions that can leave
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# misleading traces in headers, such as local address
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# canonicalizations.
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POSTFIX="/usr/sbin/sendmail -G -i"
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# No bogofilter_dir set in /etc/bogofilter.cf; fall back on directory
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# which persists across reboots.
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if [ -z "$FILTER_DIR" ]; then
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FILTER_DIR=/etc/bogofilter
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export BOGOFILTER_DIR=$FILTER_DIR
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fi
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# Exit codes from <sysexits.h>
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EX_TEMPFAIL=75
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EX_UNAVAILABLE=69
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cd $FILTER_DIR || \
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{ echo $FILTER_DIR does not exist; exit $EX_TEMPFAIL; }
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# Clean up when done or when aborting.
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trap "rm -f msg.$$ ; exit $EX_TEMPFAIL" 0 1 2 3 15
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# bogofilter -e returns: 0 for OK, nonzero for error
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rm -f msg.$$ || exit $EX_TEMPFAIL
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$FILTER -p -e > msg.$$ || exit $EX_TEMPFAIL
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exec <msg.$$ || exit $EX_TEMPFAIL
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rm -f msg.$$ # safe, we hold the file descriptor
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exec $POSTFIX "$@"
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exit $EX_TEMPFAIL
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