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#!/bin/sh
#
# ex:ts=4:sw=4:noet
#-*- mode: makefile; tab-width: 4; -*-
ETC_SERVICES="/etc/services"
check_service() {
local SERVICE PORT PROTO COMMENT
SERVICE=$1
PORT=$2
PROTO=$3
COMMENT=$4
# check
OK=no
HAS_SERVICE=no
COUNT=1
for i in $(grep ^${SERVICE} ${ETC_SERVICES}); do
if [ ${COUNT} -eq 1 ] && [ x"${i}" = x"${SERVICE}" ]; then
HAS_SERVICE=yes
echo " already in ${ETC_SERVICES}: ${SERVICE}"
elif [ ${COUNT} -eq 2 ] && [ "${HAS_SERVICE}" = "yes" ] && \
[ x"${i}" = x"${PORT}/${PROTO}" ]; then
OK=yes
break
fi
COUNT=$(( ${COUNT} + 1 ))
done
# add an entry for SERVICE to /etc/services
if [ "${OK}" = "no" ]; then
echo "==> add entry \"${SERVICE} ${PORT}/${PROTO}\""
(
grep -v -e "^${SERVICE}.*${PORT}/${PROTO}" ${ETC_SERVICES}
echo "${SERVICE} ${PORT}/${PROTO} # ${COMMENT}"
) >> ${ETC_SERVICES}.new
mv ${ETC_SERVICES}.new ${ETC_SERVICES}
fi
}
# always add service entries
echo "Checking ${ETC_SERVICES} for missing spamd service entries"
[ ! -f ${ETC_SERVICES} ] && echo "==> cannot find ${ETC_SERVICES} ... => exit" && exit 1
check_service spamd 8025 tcp "spamd(8)"
check_service spamd-sync 8025 udp "spamd(8) synchronisation"
check_service spamd-cfg 8026 tcp "spamd(8) configuration"
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