#!/bin/sh

# rc script for Cisco Secure Client VPN agent on Slackware

AGENT=/opt/cisco/secureclient/bin/vpnagentd
LOAD_TUN=/opt/cisco/secureclient/bin/load_tun.sh
PIDFILE=/var/run/vpnagentd.pid

start() {
  if pgrep -x vpnagentd >/dev/null 2>&1; then
    echo "vpnagentd is already running."
    return 0
  fi

  if [ ! -x "$AGENT" ]; then
    echo "Missing executable: $AGENT"
    return 1
  fi

  if [ -x "$LOAD_TUN" ]; then
    "$LOAD_TUN" || return 1
  fi

  echo "Starting vpnagentd..."
  "$AGENT" -execv_instance >/dev/null 2>&1 &
  sleep 2

  if pgrep -x vpnagentd >/dev/null 2>&1; then
    echo "vpnagentd started."
    return 0
  fi

  echo "vpnagentd failed to start."
  return 1
}

stop() {
  if ! pgrep -x vpnagentd >/dev/null 2>&1; then
    echo "vpnagentd is not running."
    rm -f "$PIDFILE"
    return 0
  fi

  echo "Stopping vpnagentd..."
  killall vpnagentd >/dev/null 2>&1
  sleep 2
  rm -f "$PIDFILE"

  if pgrep -x vpnagentd >/dev/null 2>&1; then
    echo "vpnagentd did not stop cleanly."
    return 1
  fi

  echo "vpnagentd stopped."
}

restart() {
  stop || return 1
  start
}

status() {
  if pgrep -x vpnagentd >/dev/null 2>&1; then
    echo "vpnagentd is running."
    return 0
  fi

  echo "vpnagentd is not running."
  return 1
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    restart
    ;;
  status)
    status
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
esac