src/initscripts/system/setclock

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . ${rc_functions}
  24
  25 CLOCKPARAMS=
  26
  27 case ${1} in
  28         start)
  29
  30                 boot_mesg "Setting system clock..."
  31
  32                 # udev not create the rtc symlink if rtc is in the kernel
  33                 if [ ! -e /dev/rtc ]; then
  34                         if [ -e /dev/rtc0 ]; then
  35                                 ln -s rtc0 /dev/rtc
  36                         fi
  37                 fi
  38
  39                 hwclock --hctosys ${CLOCKPARAMS} &>/dev/null
  40                 date
  41
  42                 if [ -e /var/log/messages ]; then
  43                         LOGTIMESTAMP=`stat --format "%y" /var/log/messages`
  44                         LOGTIME=`date +%s -d "$LOGTIMESTAMP"`
  45                         SYSTIME=`date +%s`
  46                         if [ $SYSTIME -lt $LOGTIME ]; then
  47                                 boot_mesg "Warning! clock runs later than last log access. Check battery/rtc!"
  48                                 date -s "$LOGTIMESTAMP"
  49                                 echo_warning;
  50                         else
  51                                 echo_ok;
  52                         fi
  53                 fi
  54                 ;;
  55
  56         stop)
  57                 boot_mesg "Setting hardware clock..."
  58                 hwclock --systohc ${CLOCKPARAMS} &>/dev/null
  59                 evaluate_retval
  60                 ;;
  61
  62         *)
  63                 echo "Usage: ${0} {start} {stop}"
  64                 ;;
  65
  66 esac