release/src/router/xl2tpd/scripts/init.suse

   1 #! /bin/sh
   2 # Copyright (c) 1995-2003
   3 # Tronicplanet Datendienst GmbH, Simbach am INN, Germany.
   4 # All rights reserved.
   5 #
   6 # Author: Bernhard Thoni <bt@tronicplanet.de>
   7 #
   8 # /etc/init.d/l2tpd
   9 #
  10 #   and its symbolic link
  11 #
  12 # /(usr/)sbin/rcl2tpd
  13 #
  14 # LSB compliant service control script; see http://www.linuxbase.org/spec/
  15 #
  16 # System startup script for L2TP daemon l2tpd
  17 #
  18 ### BEGIN INIT INFO
  19 # Provides: FOO
  20 # Required-Start: $syslog
  21 # Required-Stop:  $syslog
  22 # Default-Start:  3 5
  23 # Default-Stop:   0 1 2 6
  24 # Description:    Start l2tpd to allow XY and provide YZ
  25 #       continued on second line by '#<TAB>'
  26 ### END INIT INFO
  27 #
  28 # Note on Required-Start: It does specify the init script ordering,
  29 # not real dependencies. Depencies have to be handled by admin
  30 # resp. the configuration tools (s)he uses.
  31
  32 # Source SuSE config (if still necessary, most info has been moved)
  33 test -r /etc/rc.config && . /etc/rc.config
  34
  35 # Check for missing binaries (stale symlinks should not happen)
  36 L2TPD_BIN=/usr/sbin/l2tpd
  37 test -x $L2TPD_BIN || exit 5
  38
  39 # Check for existence of needed config file and read it
  40 #L2TPD_CONFIG=/etc/sysconfig/FOO
  41 #test -r $L2TPD_CONFIG || exit 6
  42 #. $L2TPD_CONFIG
  43
  44 # Shell functions sourced from /etc/rc.status:
  45 #      rc_check         check and set local and overall rc status
  46 #      rc_status        check and set local and overall rc status
  47 #      rc_status -v     ditto but be verbose in local rc status
  48 #      rc_status -v -r  ditto and clear the local rc status
  49 #      rc_failed        set local and overall rc status to failed
  50 #      rc_failed <num>  set local and overall rc status to <num><num>
  51 #      rc_reset         clear local rc status (overall remains)
  52 #      rc_exit          exit appropriate to overall rc status
  53 #      rc_active        checks whether a service is activated by symlinks
  54 . /etc/rc.status
  55
  56 # First reset status of this service
  57 rc_reset
  58
  59 # Return values acc. to LSB for all commands but status:
  60 # 0 - success
  61 # 1 - generic or unspecified error
  62 # 2 - invalid or excess argument(s)
  63 # 3 - unimplemented feature (e.g. "reload")
  64 # 4 - insufficient privilege
  65 # 5 - program is not installed
  66 # 6 - program is not configured
  67 # 7 - program is not running
  68 #
  69 # Note that starting an already running service, stopping
  70 # or restarting a not-running service as well as the restart
  71 # with force-reload (in case signalling is not supported) are
  72 # considered a success.
  73
  74 case "$1" in
  75     start)
  76         echo -n "Starting L2TPD"
  77         ## Start daemon with startproc(8). If this fails
  78         ## the echo return value is set appropriate.
  79
  80         # NOTE: startproc returns 0, even if service is
  81         # already running to match LSB spec.
  82         startproc $L2TPD_BIN >/dev/null 2>&1
  83
  84         # Remember status and be verbose
  85         rc_status -v
  86         ;;
  87     stop)
  88         echo -n "Shutting down L2TPD"
  89         ## Stop daemon with killproc(8) and if this fails
  90         ## set echo the echo return value.
  91
  92         killproc -TERM $L2TPD_BIN
  93
  94         # Remember status and be verbose
  95         rc_status -v
  96         ;;
  97     try-restart)
  98         ## Stop the service and if this succeeds (i.e. the
  99         ## service was running before), start it again.
 100         ## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
 101         $0 status >/dev/null &&  $0 restart
 102
 103         # Remember status and be quiet
 104         rc_status
 105         ;;
 106     restart)
 107         ## Stop the service and regardless of whether it was
 108         ## running or not, start it again.
 109         $0 stop
 110         $0 start
 111
 112         # Remember status and be quiet
 113         rc_status
 114         ;;
 115     force-reload)
 116         ## Signal the daemon to reload its config. Most daemons
 117         ## do this on signal 1 (SIGHUP).
 118         ## If it does not support it, restart.
 119
 120         echo -n "Reload service L2TPD"
 121         ## if it supports it:
 122         killproc -HUP $L2TPD_BIN
 123         #touch /var/run/l2tpd.pid
 124         rc_status -v
 125
 126         ## Otherwise:
 127         #$0 stop  &&  $0 start
 128         #rc_status
 129         ;;
 130     reload)
 131         ## Like force-reload, but if daemon does not support
 132         ## signalling, do nothing (!)
 133
 134         # If it supports signalling:
 135         echo -n "Reload service L2TPD"
 136         killproc -HUP $L2TPD_BIN
 137         #touch /var/run/l2tpd.pid
 138         rc_status -v
 139
 140         ## Otherwise if it does not support reload:
 141         #rc_failed 3
 142         #rc_status -v
 143         ;;
 144     status)
 145         echo -n "Checking for service L2TPD: "
 146         ## Check status with checkproc(8), if process is running
 147         ## checkproc will return with exit status 0.
 148
 149         # Return value is slightly different for the status command:
 150         # 0 - service running
 151         # 1 - service dead, but /var/run/  pid  file exists
 152         # 2 - service dead, but /var/lock/ lock file exists
 153         # 3 - service not running
 154
 155         # NOTE: checkproc returns LSB compliant status values.
 156         checkproc $L2TPD_BIN
 157         rc_status -v
 158         ;;
 159     probe)
 160         ## Optional: Probe for the necessity of a reload,
 161         ## print out the argument which is required for a reload.
 162
 163         test /etc/l2tpd/l2tpd.conf -nt /var/run/l2tpd.pid && echo reload
 164         ;;
 165     *)
 166         echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
 167         exit 1
 168         ;;
 169 esac
 170 rc_exit