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#!/bin/sh
to_subnet() {
pref=$1
case "$pref" in
*.*.*.*) echo $pref/32;;
*.*.*) echo $pref.0/24;;
*.*) echo $pref.0.0/16;;
*) echo $pref.0.0.0/8;;
esac
}
gen_stub_zones() {
local zonefile ip
local fwdtype="stub"
if [ -n "$FORWARDONLY" ]; then
fwdtype="forward"
fi
for zonefile in "$root"/etc/dnscache/servers/*; do
local zone=${zonefile##*/}
if [ "$zone" = "@" ] || [ "$zone" = '*' ]; then
continue
fi
echo "${fwdtype}-zone:"
echo -e "\tname: ${zone}"
for ip in $(cat $zonefile); do
echo -e "\t${fwdtype}-addr: $ip"
done
echo ""
done
}
root=${root:-/}
while getopts "r:" opt; do
case "$opt" in
'r') root="$OPTARG";;
esac
done
confd="$root"/etc/conf.d/dnscache
if [ -r "$confd" ]; then
. "$confd"
fi
interface="$IP"
outgoing_interface="$IPSEND"
echo $IPSEND
echo $IP
echo $FORWARDONLY
for i in "$root"/etc/dnscache/ip/*; do
[ -f "$i" ] || continue
access_control="$access_control $(to_subnet ${i##*/})"
done
echo -e "\tinterface: $IP\n"
echo -e "\toutgoing-interface: $IPSEND\n"
for i in $access_control; do
echo -e "\taccess-control: $i allow"
done
echo ""
gen_stub_zones
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