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#!/bin/sh
# an installation script for spamd copied from pf_freebsd
ask() {
local question default answer
question=$1
default=$2
if [ -z "${PACKAGE_BUILDING}" ]; then
read -p "${question} (y/n) [${default}]? " answer
fi
if [ x${answer} = x ]; then
answer=${default}
fi
echo ${answer}
}
yesno() {
local dflt question answer
question=$1
dflt=$2
while :; do
answer=$(ask "${question}" "${dflt}")
case "${answer}" in
[Yy]*) return 0;;
[Nn]*) return 1;;
esac
echo "Please answer yes or no."
done
}
check_service() {
local name number type comment
name=$1
number=$2
type=$3
comment=$4
FILE="/etc/services"
# check
OK=no
HAS_SERVICE=no
COUNT=1
for i in `grep $name $FILE `; do
if [ $COUNT = 1 ] && [ X"$i" = X"$name" ]; then
HAS_SERVICE=yes
elif [ $COUNT = 2 ] && [ $HAS_SERVICE = yes ] && \
[ X"$i" = X"$number/$type" ]; then
OK=yes
break
fi
COUNT=`expr ${COUNT} + 1`
done
# add an entry for SERVICE to /etc/services
if [ $OK = no ]; then
echo "This system has no entry for $name in ${FILE}"
if yesno "Would you like to add it automatically?" y; then
mv ${FILE} ${FILE}.bak
(grep -v $name ${FILE}.bak ; \
echo "$name $number/$type # $comment") \
>> ${FILE}
rm ${FILE}.bak
else
echo "Please add '$name $number/$type' into ${FILE}, and try again."
return 1
fi
fi
return 0
}
case $2 in
PRE-INSTALL)
if ! check_service spamd 8025 tcp "# spamd(8)"; then
exit 1
fi
if ! check_service spamd-cfg 8026 tcp "# spamd(8) configuration"; then
exit 1
fi
;;
esac
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