#!/bin/bash /usr/lib/turtle/turtle_module
VERSION="1.0"
DESCRIPTION="Network Mapper discovers hosts and services on a network"
CONF=/tmp/blank.form
OUTPUT=/tmp/nmap.out

: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}

function start {
  if [ -s /etc/config/nmap ]
  then
    nmap_target=$(uci get nmap.target)
    nmap_profile=$(uci get nmap.profile)
    nmap_log=$(uci get nmap.log)
    if [ -z "$nmap_target" ]; then
      echo "nmap module missing target configuration";exit
    fi
    if [ -z "$nmap_profile" ]; then
      echo "nmap module missing profile configuration";exit
    fi
    if [ -z "$nmap_log" ]; then
      echo "nmap module missing log configuration";exit
    fi
    case $nmap_profile in
      1) PROFILE="-T4 -A -v";;
      2) PROFILE="-sS -sU -T4 -A -v";;
      3) PROFILE="-p 1-65535 -T4 -A -v";;
      4) PROFILE="-T4 -A -v -Pn";;
      5) PROFILE="-sn";;
      6) PROFILE="-T4 -F";;
      7) PROFILE="-sV -T4 -O -F --version-light";;
      8) PROFILE="-sn --traceroute";;
      9) PROFILE="";;
      10) PROFILE="-sS -sU -T4 -A -v -PE -PP -PS80,443 -PA3389 -PU40125 -PY -g 53";;
    esac
    DATE=$(date +"%Y-%m-%d_%H-%M")
    echo "Executing: nmap $PROFILE $nmap_target > $nmap_log/nmap_$DATE.log"
    echo "nmap $PROFILE $nmap_target > $nmap_log/nmap_$DATE.log" | at now
  else
    echo "nmap not configured"
  fi
}

function stop {
  kill $(pidof nmap)
}

function status {
  if pgrep nmap > /dev/null; then echo "1"; else echo "0"; fi
}

function target {
  if [ -s /etc/config/nmap ]
  then
    nmap_target=$(uci get nmap.target)
  else
    touch /etc/config/nmap
  fi

  dialog --ok-label "Submit" \
    --extra-button \
    --extra-label "Show IP" \
    --title "Specify Target Network" \
    --form "\n\
Specify network to scan in the form: 192.168.1.1-255, 192.168.1.100-200, or 192.168.1.100-192.168.1.200\n \n\n" 11 60 1\
    "Target:"              1 1     "$nmap_target"         1 12 200 0 \
  2>$CONF
  return=$?
  case $return in
    $DIALOG_OK)
      cat $CONF | {
        read -r nmap_target
        touch /etc/config/nmap
        uci set nmap.target="$nmap_target"
        uci commit nmap
        rm $CONF
        configure
      };;
    $DIALOG_CANCEL)
      rm $CONF
      clear
      configure;;
    $DIALOG_EXTRA)
      ifconfig > /tmp/ip.out
      route >> /tmp/ip.out
      dialog --textbox /tmp/ip.out 18 72
      rm /tmp/ip.out
      target
    ;;
    $DIALOG_ESC)
    clear;;
  esac

}

function profile {
  dialog --ok-label "Submit" \
    --title "Nmap Profile" \
    --radiolist "\nSelect Scan Profile\n \n" 20 60 10\
    1 "Intense scan" off\
    2 "Intense scan plus UDP" off\
    3 "Intense scan, all TCP ports." off\
    4 "Intense scan, no ping" off\
    5 "Ping scan" off\
    6 "Quick scan" on\
    7 "Quick scan plus" off\
    8 "Quick traceroute" off\
    9 "Regular scan" off\
    10 "Slow comprehensive scan" off\
  2>$CONF
  return=$?
  case $return in
    $DIALOG_OK)
      profile=$(cat $CONF)
      case $profile in
        1)
          uci set nmap.profile="1"
          uci commit nmap;;
        2)
          uci set nmap.profile="2"
          uci commit nmap;;
        3)
          uci set nmap.profile="3"
          uci commit nmap;;
        4)
          uci set nmap.profile="4"
          uci commit nmap;;
        5)
          uci set nmap.profile="5"
          uci commit nmap;;
        6)
          uci set nmap.profile="6"
          uci commit nmap;;
        7)
          uci set nmap.profile="7"
          uci commit nmap;;
        8)
          uci set nmap.profile="8"
          uci commit nmap;;
        9)
          uci set nmap.profile="9"
          uci commit nmap;;
        10)
          uci set nmap.profile="10"
          uci commit nmap;;
      esac
      configure
    ;;
    $DIALOG_CANCEL)
      configure;;
    $DIALOG_ESC)
      configure;;
  esac
}

function log {
LOG=$(dialog --title "Select a directory to store the nmap log" --stdout --title "Select nmap log directory" --dselect / 18 60)
if [ -d $LOG ]; then
  uci set nmap.log="$LOG"
  uci commit nmap
else
  dialog --title "Notice" --clear --msgbox "$LOG is not a directory. Press [space] to select the directory then [enter]." 8 50
fi
configure
}

function execute {
  if [ -s /etc/config/nmap ]
  then
    nmap_target=$(uci get nmap.target)
    nmap_profile=$(uci get nmap.profile)
    nmap_log=$(uci get nmap.log)
    if [ -z "$nmap_target" ]; then
      echo "nmap module missig target configuration";exit
    fi
    if [ -z "$nmap_profile" ]; then
      echo "nmap module missig profile configuration";exit
    fi
    if [ -z "$nmap_log" ]; then
      echo "nmap module missig log configuration";exit
    fi
    case $nmap_profile in
      1) PROFILE="-T4 -A -v";;
      2) PROFILE="-sS -sU -T4 -A -v";;
      3) PROFILE="-p 1-65535 -T4 -A -v";;
      4) PROFILE="-T4 -A -v -Pn";;
      5) PROFILE="-sn";;
      6) PROFILE="-T4 -F";;
      7) PROFILE="-sV -T4 -O -F --version-light";;
      8) PROFILE="-sn --traceroute";;
      9) PROFILE="";;
      10) PROFILE="-sS -sU -T4 -A -v -PE -PP -PS80,443 -PA3389 -PU40125 -PY -g 53";;
    esac
    DATE=$(date +"%Y-%m-%d_%H-%M")
    dialog --title "nmap" --yesno "Execute: nmap $PROFILE $nmap_target > $nmap_log/nmap_$DATE.log\n \nAnd watch log file? This may take a few minutes." 9 60
    response=$?
    case $response in
      0) 
        echo "nmap $PROFILE $nmap_target > $nmap_log/nmap_$DATE.log" | at now
        dialog --title "nmap results (this may take a while)" --clear --tailbox "$nmap_log/nmap_$DATE.log" 18 72
        configure
      ;;
      1) configure;;
      255) configure;;
    esac
  else
    echo "nmap not configured"
  fi
}

function configure {
  if [ -s /etc/config/nmap ]
  then
    echo 0 > /dev/null
  else
    touch /etc/config/nmap
  fi

  dialog --title "" --menu "" 15 60 5 \
    "target"	"Specify target network to scan" \
    "profile"   "Select scan profile" \
    "log"       "Choose log location" \
    "execute"   "Start scanning and view output" \
    "back"      "Back" 2> $CONF
  result=$(cat $CONF && rm $CONF &>/dev/null)
  case $result in
    "target") target;;
    "profile") profile;;
    "log") log;;
    "execute") execute;;
    "back") exit;;
  esac
}