etc/rc.d/ntpd

   1 #!/bin/sh
   2 #
   3 # $NetBSD: ntpd,v 1.12 2004/03/31 18:01:07 fredb Exp $
   4 #
   5
   6 # PROVIDE: ntpd
   7 # REQUIRE: DAEMON
   8 # BEFORE:  LOGIN
   9 # KEYWORD: chrootdir
  10
  11 $_rc_subr_loaded . /etc/rc.subr
  12
  13 name="ntpd"
  14 rcvar=$name
  15 command="/usr/sbin/${name}"
  16 pidfile="/var/run/${name}.pid"
  17 start_precmd="ntpd_precmd"
  18 required_files="/etc/ntp.conf"
  19
  20 ntpd_precmd()
  21 {
  22         if [ -z "$ntpd_chrootdir" ]; then
  23                 return 0;
  24         fi
  25
  26         # If running in a chroot cage, ensure that the appropriate files
  27         # exist inside the cage, as well as helper symlinks into the cage
  28         # from outside.
  29         #
  30         # As this is called after the is_running and required_dir checks
  31         # are made in run_rc_command(), we can safely assume ${ntpd_chrootdir}
  32         # exists and ntpd isn't running at this point (unless forcestart
  33         # is used).
  34         #
  35         # Before enabling ntpd_chrootdir, ensure that:
  36         #       - The kernel has "pseudo-device clockctl" compiled in
  37         #       - /dev/clockctl is present
  38         #
  39         if (: </dev/clockctl) 2>/dev/null; then
  40                 : exists and works
  41         else
  42                 logger -s -p daemon.warning -t ntpd \
  43                     "WARNING: not chrooting -- no working /dev/clockctl device"
  44                 return 0
  45         fi
  46         if [ ! -c "${ntpd_chrootdir}/dev/clockctl" ]; then
  47                 rm -f "${ntpd_chrootdir}/dev/clockctl"
  48                 ( cd /dev ; /bin/pax -rw -pe clockctl "${ntpd_chrootdir}/dev" )
  49         fi
  50         ln -fs "${ntpd_chrootdir}/var/db/ntp.drift" /var/db/ntp.drift
  51
  52         #       Change run_rc_commands()'s internal copy of $ntpd_flags
  53         #
  54         rc_flags="-u ntpd:ntpd -i ${ntpd_chrootdir} $rc_flags"
  55 }
  56
  57 load_rc_config $name
  58 run_rc_command "$1"