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|
#!/bin/sh
#
# chronyd chronyd short service description
#
# chkconfig: 2345 58 74
# description: Client/server for the Network Time Protocol, \
# this program keeps your computer's clock accurate.
#
# Source function library
. /etc/rc.d/init.d/functions
# Get network config
. /etc/sysconfig/network
# default user if not overriden by config
NTPD_USER="ntp"
# Get service config - may override defaults
[ -f /etc/sysconfig/chronyd ] && . /etc/sysconfig/chronyd
# Check that networking is up.
if is_yes "${NETWORKING}"; then
if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
msg_network_down "Chronyd NTPD"
exit 1
fi
else
exit 0
fi
config=/etc/ntp/chrony.conf
keyfile=/etc/ntp/keys
chronyc=/usr/bin/chronyc
get_key() {
awk '/^[ \t]*'$1'[ \t]*/ { print $2; exit }' < $keyfile
}
get_commandkeyid() {
awk '/^[ \t]*commandkey[ \t]*/ { keyid=$2 } END { print keyid }' < $config
}
chrony_command() {
commandkeyid=$(get_commandkeyid)
[ -z "$commandkeyid" ] && return 1
commandkey=$(get_key $commandkeyid)
[ -z "$commandkey" ] && return 2
! (
$chronyc <<EOF &
password $commandkey
$1
EOF
chronycpid=$!
# chronyc will hang if the daemon doesn't respond, kill it after 3 s
#'
(sleep 3; kill $chronycpid) < /dev/null > /dev/null 2>&1 &
killerpid=$!
wait $chronycpid >/dev/null 2>&1
kill $killerpid >/dev/null 2>&1 || echo "chronyd not responding"
) | grep -v '200 OK'
}
generate_commandkey() {
commandkeyid=$(get_commandkeyid)
[ -z "$commandkeyid" ] && return 1
commandkey=$(get_key $commandkeyid)
[ -z "$commandkey" ] || return 0
show "Generating Chrony command key"; busy
commandkey=$(tr -c -d '[\041-\176]' < /dev/urandom | head -c 8)
[ -n "$commandkey" ] && echo "$commandkeyid $commandkey" >> $keyfile && ok || fail
}
start() {
# Check if the service is already running?
if [ -f /var/lock/subsys/chronyd ]; then
msg_already_running "Chronyd NTPD"
return
fi
generate_commandkey
msg_starting "Chronyd NTPD"
daemon /usr/sbin/chronyd -u $NTPD_USER $OPTIONS
RETVAL=$?
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/chronyd
}
stop() {
if [ ! -f /var/lock/subsys/chronyd ]; then
msg_not_running "Chronyd NTPD"
return
fi
# Stop daemons.
msg_stopping "Chronyd NTPD"
killproc chronyd
rm -f /var/lock/subsys/chronyd
}
condrestart() {
if [ ! -f /var/lock/subsys/chronyd ]; then
msg_not_running "Chronyd NTPD"
RETVAL=$1
return
fi
stop
start
}
RETVAL=0
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
try-restart)
condrestart 0
;;
force-reload)
condrestart 7
;;
cyclelogs|flush-logs)
status chronyd >/dev/null 2>&1 || exit 7
chrony_command cyclelogs
;;
online|offline)
status chronyd >/dev/null 2>&1 || exit 7
chrony_command $1
;;
command)
status chronyd >/dev/null 2>&1 || exit 7
chrony_command "$2"
;;
status)
status chronyd
RETVAL=$?
if [ $RETVAL = 0 ]; then
chrony_command sources
fi
;;
*)
msg_usage "$0 {start|stop|restart|try-restart|force-reload|online|offline|cyclelogs|command|status}"
exit 3
esac
exit $RETVAL
|
