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Text File  |  2007-03-07  |  789 b   |  46 lines
  1. NTPDATE_CONF=/etc/default/ntpdate
  2. NTPDATE_DHCP_CONF=/etc/default/ntpdate.dhcp
  3.  
  4.  
  5. ntp_servers_setup_remove() {
  6.     rm -f $NTPDATE_DHCP_CONF
  7. }
  8.  
  9.  
  10. ntp_servers_setup_add() {
  11.     if [ -e $NTPDATE_DHCP_CONF ] && [ "$new_ntp_servers" = "$old_ntp_servers" ]; then
  12.         return
  13.     fi
  14.  
  15.     if [ -z "$new_ntp_servers" ]; then
  16.         ntp_servers_setup_remove
  17.         return
  18.     fi
  19.  
  20.     tmp=$(mktemp "$NTPDATE_DHCP_CONF.XXXXXX") || return
  21.     chmod --reference=$NTPDATE_CONF $tmp
  22.     chown --reference=$NTPDATE_CONF $tmp
  23.  
  24.     (
  25.       echo "# NTP server entries received from DHCP server"
  26.       echo "NTPSERVERS='$new_ntp_servers'"
  27.     ) >>$tmp
  28.     
  29.     mv $tmp $NTPDATE_DHCP_CONF
  30. }
  31.  
  32.  
  33. ntp_servers_setup() {
  34.     case $reason in
  35.         BOUND|RENEW|REBIND|REBOOT)
  36.             ntp_servers_setup_add
  37.             ;;
  38.         EXPIRE|FAIL)
  39.             ntp_servers_setup_remove
  40.             ;;
  41.     esac
  42. }
  43.  
  44.  
  45. ntp_servers_setup
  46.