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#!/bin/sh
if [ -f /etc/conf.d/dnscache ]; then
. /etc/conf.d/dnscache
fi
if [ -z "$UPDATEHINTS" ]; then
exit 0
fi
cd /etc/dnscache/servers
NEEDRESTART=
ZONES=`ls /etc/dnscache/servers`
for ZONEFILE in $ZONES; do
# Convert symlinks to copies, so we can update it
ZONE="$ZONEFILE"
if [ -L $ZONEFILE ]; then
DST="`readlink "$ZONEFILE"`"
cp -f "$DST" "$ZONEFILE"
fi
if [ "$ZONE" = "@" ]; then
ZONE="."
fi
if [ "$ZONE" != "." -o "$FORWARDONLY" = "" ]; then
TMPF=`mktemp -t`
# Refresh zone info
dnsqr ns $ZONE | awk '/^answer: ./ { print $5 }' | sort -u | xargs dnsip > $TMPF
if egrep -q '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' $TMPF; then
cmp -s $ZONEFILE $TMPF
if [ "$?" != 0 ]; then
NEEDRESTART=yes
cat $TMPF > $ZONEFILE
fi
fi
rm $TMPF
fi
done
if [ "$NEEDRESTART" ] && /etc/init.d/dnscache --quiet status; then
/etc/init.d/dnscache --quiet restart
fi
exit 0
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