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nmap.py
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nmap.py
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"""Use Nmap to get information about active hosts"""
from time import sleep
import ipaddress
import subprocess
import threading
import tkinter as tk
import traceback
import webbrowser
import ttkbootstrap as ttk
from ttkbootstrap.dialogs.dialogs import MessageDialog, Messagebox
from network_adapters import NetworkAdapters
APPNAME = "Sinamawin"
def get_nmap_version() -> str:
"""Get the namp version.
Returns:
str: Nmap version.
"""
version = ""
p = subprocess.Popen(["powershell.exe", "nmap", "--version"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.DEVNULL,
creationflags=subprocess.CREATE_NO_WINDOW)
na = NetworkAdapters()
output, _ = p.communicate()
out_dec = output.decode(na.enconding)
if out_dec:
version = out_dec.split(" ")[2]
return version
def nmap_widget() -> None:
"""Create the Nmap module popup window."""
try:
nmap_ver = get_nmap_version()
header = ("Internet Address Port State"
" Service MAC Address"
" Device\n")
if not nmap_ver:
title = f"{APPNAME} - Nmap not installed"
msg = ("To use this module Nmap (https://nmap.org)"
" must be installed.")
dialog = MessageDialog(message=msg,
title=title,
buttons=["Download", "Cancel"],
padding=(30, 30),
width=100,
alert=True)
dialog.show()
if dialog.result == "Download":
webbrowser.open("https://nmap.org/download.html#windows")
return
na = NetworkAdapters()
style = ttk.Style()
style.configure("Normal.TLabel", foreground="black",
font=("Consolas", 9))
style.configure("Wrong.TLabel", foreground="red",
font=("Consolas", 9, "bold"))
def on_change_ip_netmask(*_):
ip = ip_var.get()
port = port_var.get()
netmask = cb_netmask.get()
if na.validate_ipv4(ip):
net = ipaddress.ip_network(f"{ip}{netmask}", strict=False)
first_ip = str(net.network_address)
last_ip = str(net.broadcast_address)
if int(netmask.replace("/", "")) >= 24:
last_segment = last_ip.split(".")[3]
if first_ip == last_ip:
d_ip_range.configure(text=f"{first_ip}",
style="Normal.TLabel")
else:
d_ip_range.configure(text=f"{first_ip}-{last_segment}",
style="Normal.TLabel")
else:
d_ip_range.configure(text=f"{first_ip} to\n{last_ip}",
style="Normal.TLabel")
if port:
b_run.configure(state="enabled")
else:
b_run.configure(state="disabled")
else:
d_ip_range.configure(text="Invalid IP", style="Wrong.TLabel")
b_run.configure(state="disabled")
popup = ttk.Toplevel(
title=f"{APPNAME} - Nmap (Network Mapper)",
resizable=(False, False))
# -- Description --
l_desc = ttk.Label(
popup,
text="🛈 This module allows IP and port scanning.")
l_desc.grid(row=0, column=0, columnspan=4,
padx=15, pady=(15, 10), sticky="w")
# -- IP address --
l_ip_addr = ttk.Label(popup, text="IP address:")
ip_var = tk.StringVar()
ip_var.trace_add("write", on_change_ip_netmask)
d_ip_addr = ttk.Entry(
popup, width=20, justify="center", textvariable=ip_var)
l_ip_addr.grid(row=1, column=0, padx=(15, 5), pady=5)
d_ip_addr.grid(row=1, column=1, padx=5, pady=5)
# -- Netmask --
l_netmask = ttk.Label(popup, text="Netmask:")
cb_netmask_val = list(range(1, 33))
cb_netmask_val = [f"/{elem}" for elem in cb_netmask_val]
cb_netmask = ttk.Combobox(popup,
state="readonly",
values=cb_netmask_val,
width=18,
justify="center")
cb_netmask.set("/24")
cb_netmask.bind("<<ComboboxSelected>>", on_change_ip_netmask)
l_netmask.grid(row=1, column=2, padx=(15, 5), pady=5)
cb_netmask.grid(row=1, column=3, padx=(5, 15), pady=5)
# -- IP range --
l_ip_range = ttk.Label(popup, text="Range:", justify="center")
d_ip_range = ttk.Label(popup, text="Invalid IP",
style="Wrong.TLabel",
justify="center")
l_ip_range.grid(row=2, column=0, padx=(15, 5), pady=5)
d_ip_range.grid(row=2, column=1, padx=5, pady=5)
# -- Port --
l_port = ttk.Label(popup, text="Ports:")
port_var = tk.StringVar()
port_var.trace_add("write", on_change_ip_netmask)
d_port = ttk.Entry(popup, width=20, justify="center",
textvariable=port_var)
l_port.grid(row=2, column=2, padx=5, pady=5)
d_port.grid(row=2, column=3, padx=(5, 15), pady=5)
# -- Protocol --
def on_change_protocol(*_):
prot_sel = cb_prot.get()
if prot_sel == "TCP":
nb_output.tab(0, state="normal")
nb_output.tab(1, state="disabled")
nb_output.select(0)
elif prot_sel == "UDP":
nb_output.tab(0, state="disabled")
nb_output.tab(1, state="normal")
nb_output.select(1)
else:
nb_output.tab(0, state="normal")
nb_output.tab(1, state="normal")
l_prot = ttk.Label(popup, text="Protocol:", justify="center")
cb_prot = ttk.Combobox(popup,
state="readonly",
values=["TCP", "UDP", "TCP & UDP"],
width=18,
justify="center")
cb_prot.set("TCP")
l_prot.grid(row=3, column=0, padx=(15, 5), pady=5)
cb_prot.grid(row=3, column=1, padx=5, pady=5)
cb_prot.bind("<<ComboboxSelected>>", on_change_protocol)
# -- Run --
def run_btn():
d_ip_addr.configure(state="readonly")
cb_netmask.configure(state="disabled")
cb_prot.configure(state="disabled")
d_port.configure(state="readonly")
b_run.configure(state="disabled")
t_tcp.configure(state="normal")
t_tcp.delete(1.0, tk.END)
t_tcp.insert(tk.END, "Running... (it may take several minutes)")
t_tcp.configure(state="disabled")
t_udp.configure(state="normal")
t_udp.delete(1.0, tk.END)
t_udp.insert(tk.END, "Running... (it may take several minutes)")
t_udp.configure(state="disabled")
def run_nmap():
try:
sleep(5) # To avoid errors
ip_mask = f"{ip_var.get()}{cb_netmask.get()}"
prot_sel = cb_prot.get()
ports = port_var.get()
tcp_op = False
udp_op = False
if "TCP" in prot_sel:
tcp_op = True
if "UDP" in prot_sel:
udp_op = True
ret = nmap(ip=ip_mask, ports=ports, tcp=tcp_op, udp=udp_op)
tcp_data = ret["tcp"]
udp_data = ret["udp"]
t_tcp.configure(state="normal")
t_tcp.delete(1.0, tk.END)
t_udp.configure(state="normal")
t_udp.delete(1.0, tk.END)
if tcp_data:
t_tcp.insert(tk.END, header, "bold")
for ip, ip_data in tcp_data.items():
mac = ip_data["mac"]
device = ip_data["device"]
for serv_data in ip_data["services"]:
port = serv_data["port"]
state = serv_data["state"]
service = serv_data["service"]
line = ip[:19].ljust(21)
line += port[:12].ljust(14)
line += state[:9].ljust(11)
if len(service) > 15:
service = service[:-3] + "..."
line += service[:15].ljust(17)
line += mac.ljust(22) + device
line += "\n"
t_tcp.insert(tk.END, line)
else:
t_tcp.insert(tk.END, "No data available.")
if udp_data:
t_udp.insert(tk.END, header, "bold")
for ip, ip_data in udp_data.items():
mac = ip_data["mac"]
device = ip_data["device"]
for serv_data in ip_data["services"]:
port = serv_data["port"]
state = serv_data["state"]
service = serv_data["service"]
line = ip[:19].ljust(21)
line += port[:12].ljust(14)
line += state[:9].ljust(11)
if len(service) > 15:
service = service[:-3] + "..."
line += service[:15].ljust(17)
line += mac.ljust(22) + device
line += "\n"
t_udp.insert(tk.END, line)
else:
t_udp.insert(tk.END, "No data available.")
except (KeyError, ValueError, NotImplementedError) as err:
t_tcp.configure(state="normal")
t_tcp.delete(1.0, tk.END)
t_udp.configure(state="normal")
t_udp.delete(1.0, tk.END)
t_tcp.insert(tk.END, f"Error: {err}", "error")
t_udp.insert(tk.END, f"Error: {err}", "error")
except: # pylint: disable=bare-except # noqa
traceback.print_exc()
t_tcp.configure(state="normal")
t_tcp.delete(1.0, tk.END)
t_udp.configure(state="normal")
t_udp.delete(1.0, tk.END)
t_tcp.insert(tk.END, "Error: Failed to run Nmap.", "error")
t_udp.insert(tk.END, "Error: Failed to run Nmap.", "error")
finally:
d_ip_addr.configure(state="enabled")
cb_netmask.configure(state="readonly")
cb_prot.configure(state="readonly")
d_port.configure(state="enabled")
b_run.configure(state="enabled")
t_tcp.configure(state="disabled")
t_udp.configure(state="disabled")
th_run = threading.Thread(target=run_nmap)
th_run.start()
b_run = ttk.Button(popup,
text="Run", width=10,
command=run_btn,
state="disabled")
b_run.grid(row=3, column=3, padx=(5, 15), pady=5)
# -- Notebook --
nb_output = ttk.Notebook(popup, bootstyle="light")
nb_output.grid(row=4, column=0, columnspan=4, padx=15, pady=(10, 15))
tcp_frame = ttk.Frame(nb_output)
nb_output.add(tcp_frame, text="TCP")
udp_frame = ttk.Frame(nb_output)
nb_output.add(udp_frame, text="UDP")
nb_output.tab(1, state="disabled")
# -- TCP Tab --
t_tcp = tk.Text(tcp_frame, wrap="none", height=12, width=110,
relief="flat", font=("Consolas", 10))
t_tcp.grid(row=0, column=0)
t_tcp.tag_configure("bold", font=("Consolas", 10, "bold"))
t_tcp.tag_configure("error", font=(
"Consolas", 10), foreground="red")
t_tcp.insert(tk.END, header, "bold")
t_tcp.configure(state="disabled")
# -- UDP Tab --
t_udp = tk.Text(udp_frame, wrap="none", height=12, width=110,
relief="flat", font=("Consolas", 10))
t_udp.grid(row=0, column=0)
t_udp.tag_configure("bold", font=("Consolas", 10, "bold"))
t_udp.tag_configure("error", font=(
"Consolas", 10), foreground="red")
t_udp.insert(tk.END, header, "bold")
t_udp.configure(state="disabled")
# Mouse wheel behavior
def popup_window_scroll(_):
"""To avoid propagating the event to the main window."""
return "break"
popup.bind("<MouseWheel>", popup_window_scroll)
return
except: # pylint: disable=bare-except # noqa
traceback.print_exc()
Messagebox.show_error(
message="The Nmap module has an unexpected error.",
title=f"{APPNAME} - Error",
padding=(30, 30),
width=100)
def nmap(ip: str, ports: str, tcp: bool = True, udp: bool = False) -> dict:
"""Run Nmap and return a dictionary separating TCP and UDP.
Args:
ip (str): IP + Netmask (e.g., 192.168.1.10/24)
ports (str): Ports to scan.
tcp (bool, optional): Scan TCP ports. Defaults to True.
udp (bool, optional): Scan UDP ports. Defaults to False.
Raises:
KeyError: Ports are not valid.
NotImplementedError: Nmap error.
ValueError: No hosts up.
ValueError: No information.
Returns:
dict: Dictionary with port information separated by TCP and UDP.
"""
protocols = " -sS" if tcp else ""
protocols += " -sU" if udp else ""
p = subprocess.Popen(["powershell.exe", "nmap",
"-p", str(ports),
protocols,
str(ip)],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.DEVNULL,
creationflags=subprocess.CREATE_NO_WINDOW)
na = NetworkAdapters()
output, error = p.communicate()
out_dec = output.decode(na.enconding)
error_dec = error.decode(na.enconding)
if "Ports specified must be between" in error_dec:
err = error_dec.split("\r\n", maxsplit=1)[0]
raise KeyError(err)
if error_dec:
err = error_dec.split("\r\n", maxsplit=1)[0]
raise NotImplementedError(err)
if "0 hosts up" in out_dec:
raise ValueError("0 hosts up")
if not out_dec:
raise ValueError("No information")
data = out_dec.split("Nmap scan report for")[1:]
tcp_servs = {}
udp_servs = {}
for host in data:
info = host.split("\r\n")
ip = info[0].strip()
device_aux = ""
if "(" in ip:
ip_inf = ip.split(" ")
ip = ip_inf[1][1:-1]
device_aux = ip_inf[0]
ctrl = False
for inf in info:
if not inf:
continue
if "PORT" in inf:
ctrl = True
continue
if ctrl and "MAC Address" in inf:
mac_info = inf.strip().split(" ")
if ip in tcp_servs:
tcp_servs[ip]["mac"] = mac_info[2].replace(":", "-")
device = tcp_servs[ip]["device"]
tcp_servs[ip]["device"] = " ".join(mac_info[3:])[1:-1] + (
f" ({device})" if device else "")
if ip in udp_servs:
udp_servs[ip]["mac"] = mac_info[2].replace(":", "-")
udp_servs[ip]["device"] = " ".join(mac_info[3:])[1:-1] + (
f" ({device})" if device else "")
break
if ctrl:
serv_data = inf.strip().split(" ")
serv_data = [elem for elem in serv_data if elem]
if len(serv_data) < 3:
serv_data.append("")
port = serv_data[0]
state = serv_data[1]
service = serv_data[2]
if "tcp" in port:
if ip not in tcp_servs:
tcp_servs[ip] = {"services": [],
"mac": "", "device": device_aux}
tcp_servs[ip]["services"].append({
"port": port,
"state": state,
"service": service
})
if "udp" in port:
if ip not in udp_servs:
udp_servs[ip] = {"services": [],
"mac": "", "device": device_aux}
udp_servs[ip]["services"].append({
"port": port,
"state": state,
"service": service
})
return {"tcp": tcp_servs, "udp": udp_servs}