FreeBSD socatd service

socatd.sh

#!/usr/bin/env sh
######################################################################
# socat daemon wrapper. This script use daemon(8) command and
# transform a standard socat process in daemon. This script stop
# the service by stopping daemon supervisor instead of socat process.
#
# PROVIDE: socatd
# REQUIRE: network
# KEYWORD: socat daemon
#
######################################################################

. /etc/rc.subr

name="socatd"
desc="socat daemon wrapper"
rcvar="socatd_enable"

load_rc_config ${name}

: ${socatd_enable="NO"}
: ${socatd_mode="standalone"} 
: ${socatd_user=""}
: ${socatd_pidfile="/var/run/socat/socat.pid"}
: ${socatd_args=""}  

command="/usr/local/bin/socat"
command_args=${socatd_args}
pidfile="/var/run/socat/socat.pid"

prestart_cmd="socatd_prestart"
start_cmd="socatd_start"
stop_cmd="socatd_stop"

daemon_cmd="/usr/sbin/daemon -P ${socatd_pidfile}.sup -p ${socatd_pidfile}"

socatd_prestart() {
  if [ "${socatd_user}" ]
  then
    getent passwd "${socatd_user}"
    echo "Warning: user ${socatd_user} not present, using root instead."
  else
    daemon_cmd="${daemon_cmd} -u ${socatd_user}"
  fi
}

socatd_start() {
  if [ "_${socatd_mode}" = "_loop" ]
  then
    ${daemon_cmd} -R 1 -- ${command} ${command_args}
  else
    ${daemon_cmd} -- ${command} ${command_args}
  fi
}

socatd_stop() {
  rc_pid=$(cat ${pidfile}.sup)
  kill $sig_stop $rc_pid
  wait_for_pids $rc_pid
}

run_rc_command "${1}"