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#!/bin/sh
NOTSYNCED="true"
MAX_ATTEMPTS=3
SERVER=$(/usr/local/sbin/read_xml_tag.sh string system/timeservers)
if [ -z "${SERVER}" ]; then
exit
fi
/bin/pkill -f ntpdate_sync_once.sh
ATTEMPT=1
# Loop until we're synchronized, but for a set number of attempts so we don't get stuck here forever.
while [ "$NOTSYNCED" = "true" ] && [ ${ATTEMPT} -le ${MAX_ATTEMPTS} ]; do
# Ensure that ntpd and ntpdate are not running so that the socket we want will be free.
while [ true ]; do
/usr/bin/killall ntpdate 2>/dev/null
/bin/pgrep ntpd
if [ $? -eq 0 ]; then
/usr/bin/killall ntpd 2>/dev/null
else
break
fi
done
sleep 1
/usr/local/sbin/ntpdate -s -t 5 ${SERVER}
if [ "$?" = "0" ]; then
NOTSYNCED="false"
else
sleep 5
ATTEMPT=`expr ${ATTEMPT} + 1`
fi
done
if [ "$NOTSYNCED" = "true" ]; then
echo "Giving up on time sync after ${MAX_ATTEMPTS} attempts." | /usr/bin/logger -t ntp;
else
echo "Successfully synced time after ${ATTEMPT} attempts." | /usr/bin/logger -t ntp;
fi
if [ -f /var/etc/ntpd.conf ]; then
echo "Starting NTP Daemon." | /usr/bin/logger -t ntp;
/usr/local/sbin/ntpd -g -c /var/etc/ntpd.conf -p /var/run/ntpd.pid
else
echo "NTP configuration file missing, not starting daemon." | /usr/bin/logger -t ntp;
fi
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