File conf.ntp-dev.init of Package ntp-dev

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File conf.ntp-dev.init of Package ntp-dev

#! /bin/sh
# Copyright (c) 1995-2003 SuSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Michael Andres
#
# /etc/init.d/ntp-dev
#   and its symbolic link
# /usr/sbin/rcntp-dev
#
### BEGIN INIT INFO
# Provides:       ntp-dev ntp-devd xntp-devd 
# Required-Start: $remote_fs $syslog $named
# Required-Stop:  $remote_fs $syslog
# Default-Start:  2 3 5
# Default-Stop:   0 1 6
# Description:    Start network time protocol daemon (NTPD).
### END INIT INFO

# First reset status of this service
. /etc/rc.status
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running

# set default options
NTP_CONF="/etc/ntp-dev.conf"
if [ ! -f ${NTP_CONF} ]; then
	echo -n "Time server configuration file, ${NTP_CONF} does not exist."
	# Tell the user this has skipped
	rc_status -s
	exit 6
fi

NTPD_BIN="/usr/sbin/ntp-devd"
if [ ! -x ${NTPD_BIN} ]; then
        echo -n "Time server, ${NTPD_BIN} not installed!"
        rc_status -s
        exit 5
fi

NTPD_OPTIONS="-g -u ntp-dev:ntp-dev"
NTPD_RUN_CHROOTED="yes"

NTPDATE_BIN="/usr/sbin/ntp-devdate"
NTPDC_BIN="/usr/sbin/ntp-devdc"

NTP_KEYS=$(awk '/^keys/ { print $2 }' $NTP_CONF)
if test -z "$NTP_KEYS"; then
	echo -n "NTP key file does not exist"
    rc_status -s
    exit 5
fi
NTP_KEYID=$(awk '/^requestkey[[:blank:]]/ { print $2 }' $NTP_CONF)
if test -z "$NTP_KEYS"; then
	echo -n "NTP key id not defined"
    rc_status -s
    exit 5
fi
NTP_PASSWD=$(awk '$0 ~ key { print $3 }' key="^[[:blank:]]*$NTP_KEYID[[:blank:]]" $NTP_KEYS)
if test -z "$NTP_KEYS"; then
	echo -n "No password for requestkey set"
	return 1
fi

# Override defaults, if we have the sysconfig file
test -f /etc/sysconfig/ntp-dev && . /etc/sysconfig/ntp-dev

# set Default CHROOT path if not set but wanted
test "${NTPD_RUN_CHROOTED}" = "yes" && \
	CHROOT_PREFIX="/var/lib/ntp-dev" || \
	CHROOT_PREFIX=""

# set default PID variables
NTPD_PID="${CHROOT_PREFIX}/var/run/ntp-dev/ntp-devd.pid"
NTPD_PID_NOPREFIX="/var/run/ntp-dev/ntp-devd.pid"

function ntp-devd_is_running() {	
    $0 status >/dev/null
}

function parse_symlink
{
	if [ -c "$NTP_PARSE_DEVICE" ]; then
		if [ -n "$NTP_PARSE_LINK" ]; then
		ln -sf $NTP_PARSE_DEVICE $NTP_PARSE_LINK
		fi
	fi
}

function prepare_chroot
{
	for configfile in /etc/{localtime,ntp-dev.keys} $NTP_CONF $NTPD_CHROOT_FILES; do
		test -d ${CHROOT_PREFIX}/${configfile%/*} || mkdir -p ${CHROOT_PREFIX}/${configfile%/*}
		cp -auL ${configfile} ${CHROOT_PREFIX}/${configfile%/*}
	done
	NTPD_OPTIONS="${NTPD_OPTIONS} -i ${CHROOT_PREFIX}"
}

function runtime_configuration
{
	NTPC_CMD="keyid $NTP_KEYID\npasswd $NTP_PASSWD\n"
	for ntp-devserver in "$@"; do
		NTPC_CMD="${NTPC_CMD}addserver $ntp-devserver\n"
	done
	NTPDC_LOG=$(echo -e "${NTPC_CMD}quit" | $NTPDC_BIN)
	logger -t $0 "runtime configuration: $NTPDC_LOG"
}

function add_runtime_server
{
	NTPC_CMD="keyid $NTP_KEYID\npasswd $NTP_PASSWD\naddserver $@\n"
	NTPDC_LOG=$(echo -e "${NTPC_CMD}quit" | $NTPDC_BIN)
	logger -t $0 "runtime configuration: $NTPDC_LOG"
}

function reloaddevices
{
	NTPC_CMD="keyid $NTP_KEYID\npasswd $NTP_PASSWD\nifreload\n"
	NTPDC_LOG=$(echo -e "${NTPC_CMD}quit" | $NTPDC_BIN)
	logger -t $0 "runtime configuration: $NTPDC_LOG"
}

function adddhcpserver
{
	if( test -r /var/run/ntp-dev/servers )
	then
		. /var/run/ntp-dev/servers
		runtime_configuration $RUNTIME_SERVERS
		return 0
	else
		return 1
	fi
}

case "$1" in
    start)
	# get the initial date from the timeservers configured in ntp-dev.conf
	echo -n "Starting network time protocol daemon (NTPD)"
	# do we need a refclock symlink?
	parse_symlink
	# do we run chrooted?
	test "${NTPD_RUN_CHROOTED}" = "yes" && prepare_chroot

grep -v "^server" $NTP_CONF > $NTP_CONF.tmp
	grep "^server.*127\.0\.0\.1" $NTP_CONF >> $NTP_CONF.tmp

startproc $NTPD_BIN -p ${NTPD_PID_NOPREFIX} $NTPD_OPTIONS -c $NTP_CONF~

rm $NTP_CONF.tmp

$0 readd $2
	rc_status -v
	;;
    stop)
	echo -n "Shutting down network time protocol daemon (NTPD)"
	killproc -p ${NTPD_PID} -TERM $NTPD_BIN
	rc_status -v
	rm -f ${NTPD_PID}
	;;
    try-restart)
        $0 status
        if test $? = 0; then
                $0 restart $2
        else
                rc_reset        # Not running is not a failure.
        fi
        # Remember status and be quiet
        rc_status
	;;
    restart)
	$0 stop
	$0 start $2
	rc_status
        ;;
    try-restart-iburst)
	$0 status
	if test $? = 0; then
                $0 stop
		$0 start iburst 
        else
                rc_reset        # Not running is not a failure.
        fi
	# Remember status and be quiet
	rc_status
    ;;
	addserver)
	if test "${#@}" -lt "2"; then
		echo -n "No servers to add specified"
		rc_failed 3
	fi
	shift
	
	$0 status 2>&1 >/dev/null
	if test $? = 0;
	then
		add_runtime_server $@
	fi

mv $NTP_CONF $NTP_CONF~
	grep -vi "^server.*$1" < $NTP_CONF~ > $NTP_CONF
	echo "server $@" >> $NTP_CONF
	;;
	force-reload)
	# Does not support signalling to reload
	    $0 try-restart
	rc_status
	;;
	readd)
	reloaddevices
	adddhcpserver
	# manage adding server at runtime
	grep "^server" $NTP_CONF | grep -v "127\.0\.0\.1" | sed -e "s/\n//" | sed -e "s/^server//" | sed -e "s/#.*$//" | while read SERV
	do
        # do we get the option iburst? 
        if [ -z $2 ]; then
                true
        else
        case $2 in
                iburst)
                    SERV="$SERV iburst"
                ;;
                *)           echo "Unknown option $2"
                    echo "options: {iburst}"
                    exit 1 ;;
        esac
        fi

add_runtime_server $SERV
    done
	rc_status
	;;
	ntp-devtimeset)
	grep -v 127.127.1.0 /etc/ntp-dev.conf | grep ^server >/dev/null && startproc $NTPD_BIN -p ${NTPD_PID_NOPREFIX} $NTPD_OPTIONS -c $NTP_CONF -q || echo "no server configured"
	;;
    reload)
	echo -n "Reload network time protocol daemon (NTPD)"
	# Does not support signalling to reload
	rc_failed 3
	rc_status -v
	;;
    status)
	checkproc -p ${NTPD_PID} $NTPD_BIN
	if( test $? -eq 0 )
	then
		ntp-devq -p
		echo ""
	fi
	echo -n "Checking for network time protocol daemon (NTPD): "
	checkproc -p ${NTPD_PID} $NTPD_BIN
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|try-restart-iburst|force-reload|reload|addserver|ntp-devtimeset|readd}"
	exit 1
	;;
esac
rc_exit

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