badvpn/badvpn-ncd.rc.d

   1 #!/bin/bash
   2
   3 SVCNAME=badvpn-ncd
   4
   5 . /etc/rc.conf
   6 . /etc/rc.d/functions
   7 . /etc/conf.d/${SVCNAME}
   8
   9 NCD_PIDFILE="/var/run/${SVCNAME}.pid"
  10 NCD_NAME=${NCD_NAME:-"Network Configuration Daemon"}
  11 NCD_SYSLOG_IDENT=${NCD_SYSLOG_IDENT:-"ncd"}
  12 NCD_EXEC="/usr/bin/badvpn-ncd"
  13
  14 PID=
  15 if [[ -e ${NCD_PIDFILE} ]]; then
  16         PID=$(cat "${NCD_PIDFILE}" 2>/dev/null)
  17         if ! [[ $( readlink /proc/$PID/exe 2>/dev/null ) =~ ^${NCD_EXEC}(" (deleted)")?$ ]]; then
  18                 PID=
  19                 rm "${NCD_PIDFILE}" 2>/dev/null
  20         fi
  21 fi
  22
  23 case $1 in
  24 start)
  25         if ! [[ -e ${NCD_CONFIG} ]]; then
  26                 echo "Error: configuration file (${NCD_CONFIG}) missing"
  27                 exit 1
  28         fi
  29
  30         stat_busy "Starting ${NCD_NAME}"
  31
  32         args=( "${NCD_ARGS[@]}" --config-file "${NCD_CONFIG}" )
  33         if [[ -n ${NCD_SYSLOG_IDENT} ]]; then
  34                 args=( "${args[@]}" --logger syslog --syslog-ident "${NCD_SYSLOG_IDENT}" )
  35         fi
  36
  37         res=0
  38         if [[ -z ${PID} ]]; then
  39                 (
  40                         cd / &&
  41                         exec "${NCD_EXEC}" "${args[@]}"
  42                 ) 1>/dev/null 2>&1 &
  43                 res=$?
  44                 [[ ${res} -eq 0 ]] && echo "$!" > "${NCD_PIDFILE}"
  45         fi
  46         if [[ ${res} -eq 0 ]]; then
  47                 add_daemon ${SVCNAME}
  48                 stat_done
  49         else
  50                 stat_fail
  51                 exit 1
  52         fi
  53         ;;
  54
  55 stop)
  56         stat_busy "Stopping ${NCD_NAME}"
  57         if [[ ! -z $PID ]] && kill "${PID}" &>/dev/null; then
  58                 while kill -0 "${PID}" &>/dev/null; do sleep 0.01; done
  59                 rm "${NCD_PIDFILE}"
  60                 rm_daemon ${SVCNAME}
  61                 stat_done
  62         else
  63                 stat_fail
  64                 exit 1
  65         fi
  66         ;;
  67
  68 restart)
  69         $0 stop
  70         $0 start
  71         ;;
  72
  73 *)
  74         echo "Usage: $0 {start|stop|restart}" >&2
  75         exit 1
  76
  77 esac