1 files changed, 25 insertions, 0 deletions
diff --git a/recipes/bogofilter/files/postfix-filter.sh b/recipes/bogofilter/files/postfix-filter.sh
new file mode 100644
index 0000000000..156330b43d
--- /dev/null
+++ b/recipes/bogofilter/files/postfix-filter.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+FILTER=/usr/bin/bogofilter
+FILTER_DIR=/var/spool/filter
+POSTFIX=/usr/sbin/sendmail
+export BOGOFILTER_DIR=/home/bogo
+
+# Exit codes from <sysexits.h>
+EX_TEMPFAIL=75
+EX_UNAVAILABLE=69
+
+cd $FILTER_DIR || { echo $FILTER_DIR does not exist; exit $EX_TEMPFAIL; }
+
+# Clean up when done or when aborting.
+trap "rm -f msg.$$ ; exit $EX_TEMPFAIL" 0 1 2 3 15
+
+# bogofilter -e returns: 0 for OK, nonzero for error
+rm -f msg.$$ || exit $EX_TEMPFAIL
+$FILTER -p -u -e > msg.$$ || exit $EX_TEMPFAIL
+
+exec <msg.$$ || exit $EX_TEMPFAIL
+rm -f msg.$$ # safe, we hold the file descriptor
+exec $POSTFIX "$@"
+exit $EX_TEMPFAIL
+