net/chrony/files/ntpd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006 OpenWrt.org
   3
   4 START=60
   5
   6 start() {
   7         [ ! -f /var/run/chronyd.pid ] && (
   8                 /usr/sbin/chronyd -f /etc/chrony/chrony.conf
   9
  10                 local NTP_SERVERS
  11                 local NTP_SERVER
  12                 local CLIENT_NETWORKS
  13                 local NETNAME
  14                 config_load ntpd
  15                 config_get NTP_SERVERS cfg1 TimeServers
  16                 config_get CLIENT_NETWORKS cfg1 ClientAccessFrom
  17                 CHRONY_KEY=$(awk '/^1 / { print $2; }' /etc/chrony/chrony.keys)
  18                 include /lib/network
  19                 scan_interfaces
  20
  21                 # Define servers and do a rapid series of time measurements
  22                 # to get up to date
  23                 (
  24                  echo password $CHRONY_KEY
  25                  for NTP_SERVER in $NTP_SERVERS; do
  26                      echo add server $NTP_SERVER
  27                  done
  28                  echo burst 5/5
  29                 ) | chronyc > /dev/null 2>&1
  30
  31                 # ... wait until a reference ID is found ...
  32                 while chronyc tracking | grep 'Reference ID.*0.0.0.0' >/dev/null ; do sleep 1; done
  33
  34
  35                 # ... and finally, adjust the time in a single step
  36                 # and allow clients to access the server
  37                 (
  38                  echo password $CHRONY_KEY
  39                  echo makestep
  40                  for NETNAME in $CLIENT_NETWORKS; do
  41                      local INTERFACE
  42                      local IP
  43                      local NETMASK
  44                      local BROADCAST
  45                      local NETWORK
  46                      local PREFIX
  47
  48                      config_get INTERFACE "$NETNAME" ifname
  49                      if [ -n "$INTERFACE" ] ; then
  50                          eval $(ifconfig $INTERFACE | grep inet | sed -e 's/.*addr:/IP=/' -e 's/ .*Mask:/; NETMASK=/')
  51                          eval $(ipcalc $IP $NETMASK)
  52                          echo allow $NETWORK/$PREFIX
  53                      fi
  54                  done
  55                 ) | chronyc > /dev/null 2>&1
  56
  57         )
  58 }
  59
  60 stop() {
  61         [ -r /var/run/chronyd.pid ] && PID=$(cat /var/run/chronyd.pid)
  62         [ -n "$PID" ] && kill $PID
  63 }
  64
  65 restart() {
  66         stop
  67         while [ -r /var/run/chronyd.pid ] ; do sleep 1; done
  68         start
  69 }