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| Path : /etc/rc.d/ |
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| Current File : //etc/rc.d/ntp |
#! /bin/sh
# Copyright (c) 1995-2003 SuSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Michael Andres
# Author: Michael Skibbe
# Author: Andreas Schneider
#
# /etc/init.d/ntp
# and its symbolic link
# /usr/sbin/rcntp
#
### BEGIN INIT INFO
# Provides: ntp ntpd xntpd
# Required-Start: $remote_fs $syslog $named
# Required-Stop: $remote_fs $syslog
# Should-Start: network-remotefs
# Should-Stop: network-remotefs
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Short-Description: Network time protocol daemon (ntpd)
# 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.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/ntpd"
if [ ! -x ${NTPD_BIN} ]; then
echo -n "Time server, ${NTPD_BIN} not installed!"
rc_status -s
exit 5
fi
NTPD_OPTIONS="-g -u ntp:ntp"
NTPD_RUN_CHROOTED="yes"
NTPDC_BIN="/usr/sbin/ntpdc"
NTP_KEYS=$(awk '/^keys/ { print $2 }' $NTP_CONF)
NTP_KEYID=$(awk '/^requestkey[[:blank:]]/ { print $2 }' $NTP_CONF)
NTP_PASSWD=$(test -n "$NTP_KEYS" -a -n "$NTP_KEYID" -a -r "$NTP_KEYS" && awk '$0 ~ key { print $3 }' key="^[[:blank:]]*$NTP_KEYID[[:blank:]]" $NTP_KEYS)
if [ -n "$NTP_KEYS" ]; then
if test -z "$NTP_KEYID"; then
echo -n "NTP key id not defined"
rc_status -s
exit 5
fi
if test -z "$NTP_PASSWD"; then
echo -n "No password for requestkey set"
exit 1
fi
fi
# Override defaults, if we have the sysconfig file
test -f /etc/sysconfig/ntp && . /etc/sysconfig/ntp
# set Default CHROOT path if not set but wanted
test "${NTPD_RUN_CHROOTED}" = "yes" && \
CHROOT_PREFIX="/var/lib/ntp" || \
CHROOT_PREFIX=""
# set default PID variables
NTPD_PID="${CHROOT_PREFIX}/var/run/ntp/ntpd.pid"
NTPD_PID_NOPREFIX="/var/run/ntp/ntpd.pid"
function ntpd_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.keys} $NTP_CONF $NTPD_CHROOT_FILES; do
test -d ${CHROOT_PREFIX}${configfile%/*} || mkdir -p ${CHROOT_PREFIX}${configfile%/*}
if [ -r ${configfile} ]
then
cp -auL ${configfile} ${CHROOT_PREFIX}${configfile%/*}
else
echo
echo "Warning: ${configfile} not found or not readable"
fi
done
mkdir -p ${CHROOT_PREFIX}/proc
# prepare_chroot is called on every "start", but we need to mount only once
if ! grep -q " ${CHROOT_PREFIX}/proc proc " /proc/mounts; then
mount -o bind /proc ${CHROOT_PREFIX}/proc 2>/dev/null
mount -o remount,ro,nosuid,nodev ${CHROOT_PREFIX}/proc 2>/dev/null
fi
NTPD_OPTIONS="${NTPD_OPTIONS} -i ${CHROOT_PREFIX}"
}
function runtime_configuration() {
for f in /var/run/ntp/servers*; do
if [ -r ${f} ]; then
. ${f}
ntp_server="${ntp_server} ${RUNTIME_SERVERS}"
fi
done
if [ -n "${ntp_server}" ]; then
for s in ${ntp_server}; do
add_runtime_server ${s}
done
fi
}
function add_runtime_server() {
/usr/sbin/sntp -F -r $@
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"
}
case "$1" in
start)
ntpd_is_running || $0 ntptimeset
# get the initial date from the timeservers configured in ntp.conf
echo -n "Starting network time protocol daemon (NTPD)"
# do we need a refclock symlink?
parse_symlink
# do we run chrooted?
test "${NTPD_RUN_CHROOTED}" = "yes" && prepare_chroot
startproc $NTPD_BIN -p ${NTPD_PID_NOPREFIX} $NTPD_OPTIONS -c $NTP_CONF
if [ -n "${NTP_KEYS}" ]; then
runtime_configuration
fi
rc_status -v
;;
stop)
echo -n "Shutting down network time protocol daemon (NTPD)"
killproc -p ${NTPD_PID} -TERM $NTPD_BIN
rc_status -v
test -n "${CHROOT_PREFIX}" && umount ${CHROOT_PREFIX}/proc 2>/dev/null
rm -f ${NTPD_PID} 2>/dev/null
;;
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
$0 start iburst
else
rc_reset # Not running is not a failure.
fi
# Remember status and be quiet
rc_status
;;
addserver)
if [ -z "${NTP_KEYS}" ]; then
echo "Runtime configuration disabled, no key file specified."
exit 1
fi
if test $# -lt 2; then
echo "No servers to add specified"
exit 1
fi
shift
$0 status 2>&1 >/dev/null
if test $? = 0;
then
add_runtime_server "$@"
fi
;;
force-reload)
# Does not support signalling to reload
$0 try-restart
rc_status
;;
ntptimeset)
for i in $(gawk '/^server/ { if( $2 != "127.127.1.0" ) print $2 }' $NTP_CONF)
do
sntp -P no -r $i 2> /dev/null && { SYNCHRONISED=$i; break; };
done
if [ "$SYNCHRONISED" ]
then
echo "Time synchronized with $SYNCHRONISED"
else
echo "Time could not be synchronized"
fi
;;
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
ntpq -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|ntptimeset}"
exit 1
;;
esac
rc_exit
ACC SHELL 2018