timezone.init

   1 #!/bin/sh
   2 #
   3 # timezone      Set time zone information.
   4 # chkconfig:    2345 10 90
   5 # description:  This script is setting time zone information for your machine.
   6 #
   7
   8 [ -f /etc/sysconfig/timezone ] || exit 0
   9
  10 # Source function library.
  11 . /etc/rc.d/init.d/functions
  12
  13 . /etc/sysconfig/timezone
  14
  15 ZONE_FILE="$ZONE_INFO_DIR"
  16
  17 if [ -n "$ZONE_INFO_SCHEME" -a "$ZONE_INFO_SCHEME" != "posix" ]; then
  18         ZONE_FILE="$ZONE_FILE/$ZONE_INFO_SCHEME"
  19 fi
  20
  21 ZONE_FILE="$ZONE_FILE/$TIMEZONE"
  22
  23 [ -L /etc/localtime ] && [ "$(resolvesymlink /etc/localtime)" = "$ZONE_FILE" ] && exit 0
  24
  25 start() {
  26         if [ -f /var/lock/subsys/timezone ]; then
  27                 msg_already_running timezone
  28                 return
  29         fi
  30
  31         if [ -f "$ZONE_FILE" ]; then
  32                 rm -f /etc/localtime
  33
  34                 MESSAGE=$(nls 'Setting time zone information (%s)' "$TIMEZONE")
  35
  36                 if [ -n "$(awk '$2 == "/usr" { print $2 }' /proc/mounts 2> /dev/null)" ]; then
  37                         run_cmd "$MESSAGE" cp -af "$ZONE_FILE" /etc/localtime
  38                 else
  39                         run_cmd "$MESSAGE" ln -sf "$ZONE_FILE" /etc/localtime
  40                 fi
  41                 RETVAL=$?
  42                 restorecon /etc/localtime >/dev/null 2>&1
  43         else
  44                 show "Missing %s file" "$ZONE_FILE"
  45                 fail
  46                 RETVAL=2
  47         fi
  48
  49         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/timezone
  50 }
  51
  52 stop() {
  53         rm -f /var/lock/subsys/timezone >/dev/null 2>&1
  54 }
  55
  56 disable() {
  57         run_cmd "Unsetting time zone information" rm -f /etc/localtime
  58 }
  59
  60 # return true if FILE1 and FILE2 are identical
  61 identical() {
  62         local crc1 crc2
  63         test -f "$1" || return 1
  64         test -f "$2" || return 1
  65         crc1=$(cksum "$1" | awk '{print $1}')
  66         crc2=$(cksum "$2" | awk '{print $1}')
  67         [ "$crc1" = "$crc2" ]
  68 }
  69
  70 RETVAL=0
  71 # See how we were called.
  72 case "$1" in
  73   start)
  74         start
  75         ;;
  76   stop)
  77         stop
  78         ;;
  79   restart|try-restart|reload|force-reload)
  80         stop
  81         start
  82         ;;
  83   disable)
  84         disable
  85         ;;
  86   status)
  87         nls 'Timezone is configured to %s' "$TIMEZONE"
  88         if [ ! -f "$ZONE_FILE" ]; then
  89                 nls "Missing %s file" "$ZONE_FILE"
  90                 exit 1
  91         elif ! identical "$ZONE_FILE" /etc/localtime; then
  92                 nls 'Current time zone differs from %s' "$TIMEZONE"
  93                 exit 1
  94         fi
  95         ;;
  96   *)
  97         msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|disable|status}"
  98         exit 3
  99 esac
 100
 101 exit $RETVAL