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#!/bin/sh
# NTP time synchronisation
#
# /src/NTP/REPOSITORY/v3/supportscripts/etc/rc,v 1.11 1993/07/09 13:17:00 kardel Exp
#
# rc,v
# Revision 1.11 1993/07/09 13:17:00 kardel
# local NTPROOT
#
# Revision 1.10 1993/07/09 11:37:29 kardel
# Initial restructured version + GPS support
#
# Revision 1.9 1993/06/23 14:10:36 kardel
# June 21st reconcilation
#
# Revision 1.7 1993/06/02 12:04:43 kardel
# May 28th reconcilation & clenaup
#
#
# non reference clock hosts will try to do an ntpdate on NTPSERVERS
#
NTPSERVERS="ntps1-0 ntps1-1 ntps2-0 ntps2-1"
NTPROOT=/local/NTP
#
# get the initial setup
#
if [ ! -r $NTPROOT/etc/setup ]; then
echo "ERROR: $NTPROOT/etc/setup missing - incorrect installation."
exit 1
else
. $NTPROOT/etc/setup
fi
umask 022 # SITE SPECIFIC: local policy - watch out for NFS and "root" rights
msg=""
#
# default configuration files are named $NTPROOT/conf/<ARCH>.<KARCH>
#
CF=$NTPROOT/conf/$ARCH.$KARCH # default configuration file
#
# Host specific config file (reference clocks) have the hostname tagged on
#
CFH="$CF"."$HOSTNAME" # specific configuration file
#
# where to find the tickadj command
#
KFIX=$NTPROOT/bin/tickadj # kernel variable fix
#
# where to find special tickadj parameters
#
TC=$NTPROOT/conf/tickconf # special tickadj parameters
#
# where to find the keys file (if not found $KEY.dumb will be used)
#
KEY=$NTPROOT/conf/ntp.keys # private key file
#
# the daemon
#
XD=$NTPROOT/bin/xntpd # NTP daemon
#
# HP adjtimed
#
ADJTIMED=$NTPROOT/bin/adjtimed # HP special (adjtime() emulation)
#
# ntpdate command
#
NTPDATE=$NTPROOT/bin/ntpdate
#
# secondary timed support
# The word "TIMED" must be in the config file for timed to start
# Note that this times is a special version which does not ever set or
# adjust the time. Ask time@informatik.uni-erlangen.de for patches
#
TIMED=$NTPROOT/bin/timed # timed (Berkeley) secondary time service
# here used in a *HARMLESS* version
# to provide time to "inferior" systems
#
# ISREFHOST is a command that returns exit status 0 for a reference host
# Site specific: sample for dcf77 is given
#
ISREFHOST="[ -f $NTPROOT/.karch.$KARCH/sys/OBJ/parsestreams.o -a -f /dev/refclock-0 ]"
#
# SETUP_REFCLOCK
#
# what to do in order to set up a local reference clock
# usually this will load a STREAMS module or initialize other things
# needed
#
SETUP_REFCLOCK() {
if modstat | grep -s 'PARSE'; then
ECHO "loadable PARSER STREAMS module already loaded."
else
ECHO "attempting to load PARSER STREAMS module..."
MDLFILE="/tmp/mdl.$$"
if modload $NTPROOT/.karch.$KARCH/sys/OBJ/parsestreams.o -o $MDLFILE 2>&1; then
modstat
else
echo WARNING: load FAILED
fi | LOG
rm -f $MDLFILE
unset MDLFILE
fi
}
kargs() {
MATCH=NO
HOSTID="`(hostid) 2>/dev/null || echo 000000`"
if [ -r "$TC" ]; then
exec 0< "$TC"
while [ "$MATCH" != "YES" ] && read HOST ID PARAM; do
if [ "$HOST" = "DEFAULT" ]; then
DEFAULT="$ID $PARAM"
else
if [ "$ID" = "$HOSTID" -o "$HOST" = "$HOSTNAME" ]; then
echo "$PARAM"
MATCH=YES
fi
fi
done
if [ "$MATCH" != "YES" ]; then
if [ -z "$DEFAULT" ]; then
echo "-A -p -s -q";
else
echo "$DEFAULT";
fi
fi
else
echo "-A -p -s -q";
fi
}
if [ -x $XD ]; then
if [ -x "$ADJTIMED" ]; then
$ADJTIMED && ECHO "adjusttimesupport: adjtimed."
fi
#
# WARNING: check ps command first, or you might kill things you don't want to
#
PID="`(ps -efa 2>/dev/null || ps auxww 2>/dev/null || echo "") | grep xntp | grep -v grep | awk '{ print $2 }'`"
if [ ! -z "$PID" ]; then
ECHO "killing old NTP daemon (PID=$PID)"
#
# enable this after checking for correctness
# kill $PID
ECHO "should do a kill $PID, if this is the right PID - check rc script"
fi
#
# try an ntpdate when timeservers are configured
#
if [ ! -z "$NTPSERVERS" -a -x $NTPDATE ]; then
ECHO "NTP initial time setting"
$NTPDATE -v $NTPSERVERS | LOG
fi
#
# look for reference clock equipment
#
if $ISREFHOST; then
ECHO "REFERENCE CLOCK SUPPORT (initializing...)"
SETUP_REFCLOCK
fi
if [ -r "$CFH" ]; then
CF="$CFH"
else
if [ ! -r "$KEY" ]; then
KEY="$KEY.dumb"
fi
fi
ECHO "NTP configuration file: $CF"
ECHO -n "time daemon startup:"
if [ -r "$CF" ]; then
if [ -x "$KFIX" ]; then
KARGS="`kargs`"
if [ ! -z "$KARGS" ]; then
$KFIX $KARGS && ECHO -n "tickadj $KARGS"
fi
fi
$XD -c "$CF" -k "$KEY" && ECHO -n ' xntpd'
if [ -x "$TIMED" ] && grep -s TIMED "$CF"; then
$TIMED -M -N && ECHO -n ' timed'
fi
else
msg="configuration file ($CF) not present."
fi
else
msg="daemon binary ($XD) not present."
fi
ECHO "."
if [ "$msg" ]; then
NLECHO "WARNING: NO NTP time sychronisation: $msg"
fi
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