components/network/ntp/Solaris/ntp.sh

   1 #!/sbin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
  25 #
  26
  27 # Standard prolog
  28 #
  29 . /lib/svc/share/smf_include.sh
  30
  31 if [ -z $SMF_FMRI ]; then
  32         echo "SMF framework variables are not initialized."
  33         exit $SMF_EXIT_ERR
  34 fi
  35
  36 #
  37 # Is NTP configured?
  38 #
  39 if [ ! -f /etc/inet/ntp.conf ]; then
  40         echo "Error: Configuration file '/etc/inet/ntp.conf' not found." \
  41             "  See ntpd(1M)."
  42         exit $SMF_EXIT_ERR_CONFIG
  43 fi
  44
  45 # Disable globbing to prevent privilege escalations by users authorized
  46 # to set property values for the NTP service.
  47 set -f
  48
  49 #
  50 # Build the command line flags
  51 #
  52 shift $#
  53 set -- -p /var/run/ntp.pid
  54 # We allow a step larger than the panic value of 17 minutes only
  55 # once when ntpd starts up. If always_all_large_step is true,
  56 # then we allow this each time ntpd starts. Otherwise, we allow
  57 # it only the very first time ntpd starts after a boot. We
  58 # check that by making ntpd write its pid to a file in /var/run.
  59
  60 val=`svcprop -c -p config/always_allow_large_step $SMF_FMRI`
  61 if [ "$val" = "true" ] || \
  62     [ ! -f /var/run/ntp.pid ]; then
  63         set -- "$@" -g
  64 fi
  65
  66 # Auth was off by default in xntpd now the default is on. Better have a way
  67 # to turn it off again. Also check for the obsolete "authentication" keyword.
  68 val=`svcprop -c -p config/no_auth_required $SMF_FMRI`
  69 if [ ! "$val" = "true" ]; then
  70         val=`/usr/bin/nawk '/^[ \t]*#/{next}
  71             /^[ \t]*authentication[ \t]+no/ {
  72                 printf("true", $2)
  73                 next } ' /etc/inet/ntp.conf`
  74 fi
  75 [ "$val" = "true" ] && set -- "$@" --authnoreq
  76
  77 # Set up logging if requested.
  78 logfile=`svcprop -c -p config/logfile $SMF_FMRI`
  79 val=`svcprop -c -p config/verbose_logging $SMF_FMRI`
  80 [ "$val" = "true" ] && [ -n "$logfile" ]  && set -- "$@" -l $logfile
  81
  82 # Register with mDNS.
  83 val=`svcprop -c -p config/mdnsregister $SMF_FMRI`
  84 mdns=`svcprop -c -p general/enabled svc:/network/dns/multicast:default`
  85 [ "$val" = "true" ] && [ "$mdns" = "true" ] && set -- "$@" -m
  86
  87 # We used to support the slewalways keyword, but that was a Sun thing
  88 # and not in V4. Look for "slewalways yes" and set the new slew option.
  89 slew_always=`svcprop -c -p config/slew_always $SMF_FMRI`
  90 if [ ! "$slew_always" = "true" ]; then
  91        slew_always=`/usr/bin/nawk '/^[ \t]*#/{next}
  92             /^[ \t]*slewalways[ \t]+yes/ {
  93                 printf("true", $2)
  94                 next } ' /etc/inet/ntp.conf`
  95 fi
  96 [ "$slew_always" = "true" ] && set -- "$@" --slew
  97
  98 # Set up debugging.
  99 deb=`svcprop -c -p config/debuglevel $SMF_FMRI`
 100
 101 # If slew_always is set to true, then the large offset after a reboot
 102 # might take a very long time to correct the clock. Optionally allow
 103 # a step once after a reboot if slew_always is set when allow_step_at_boot
 104 # is also set.
 105 val=`svcprop -c -p config/allow_step_at_boot $SMF_FMRI`
 106 if [ "$val" = "true" ] && [ "$slew_always" = "true" ] && \
 107     [ ! -f /var/run/ntp.pid ]; then
 108        set -- "$@" --force-step-once
 109 fi
 110
 111 # Start the daemon. If debugging is requested, put it in the background,
 112 # since it won't do it on it's own.
 113 if [ "$deb" -gt 0 ]; then
 114         /usr/lib/inet/ntpd "$@" --set-debug-level=$deb >/var/ntp/ntp.debug &
 115 else
 116         /usr/lib/inet/ntpd "$@"
 117 fi
 118
 119 # Now, wait for the first sync, if requested.
 120 val=`svcprop -c -p config/wait_for_sync $SMF_FMRI`
 121 [ "$val" = "true" ] && /usr/lib/inet/ntp-wait
 122
 123 exit $SMF_EXIT_OK