mirror of https://github.com/jumpserver/jumpserver
feat: 系统工具改为异步，增加tcpdump工具
jiangweidong
Bryan
parent
8accd296b8
commit
7636255533
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@ -113,7 +113,6 @@ def get_ip_city(ip):
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def lookup_domain(domain):
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try:
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return socket.gethostbyname(domain)
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return socket.gethostbyname(domain), ''
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except Exception as e:
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print("Cannot resolve %s: Unknown host, %s" % (domain, e))
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return None
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return None, f'Cannot resolve {domain}: Unknown host, {e}'
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@ -0,0 +1,6 @@
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# coding: utf-8
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#
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from .ping import *
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from .telnet import *
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from .nmap import *
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from .tcpdump import *
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@ -0,0 +1,57 @@
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import asyncio
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import time
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import nmap
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from common.utils.timezone import local_now_display
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from settings.utils import generate_ips
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def get_nmap_result(nm, ip, ports, timeout):
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results = []
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nm.scan(ip, ports=ports, timeout=timeout)
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tcp_port = nm[ip].get('tcp', {})
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udp_port = nm[ip].get('udp', {})
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results.append(f'PORT\tSTATE\tSERVICE')
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for port, info in tcp_port.items():
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results.append(f"{port}\t{info.get('state', 'unknown')}\t{info.get('name', 'unknown')}")
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for port, info in udp_port.items():
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results.append(f"{port}\t{info.get('state', 'unknown')}\t{info.get('name', 'unknown')}")
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return results
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async def once_nmap(nm, ip, ports, timeout, display):
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await display(f'Starting Nmap at {local_now_display()} for {ip}')
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try:
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is_ok = True
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loop = asyncio.get_running_loop()
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results = await loop.run_in_executor(None, get_nmap_result, nm, ip, ports, timeout)
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for result in results:
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await display(result)
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except KeyError:
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is_ok = False
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await display(f'Host seems down.')
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except Exception as err:
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is_ok = False
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await display(f"Error: %s" % err)
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return is_ok
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async def verbose_nmap(dest_ips, dest_ports=None, timeout=None, display=None):
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if not display:
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return
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ips = generate_ips(dest_ips)
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dest_port = ','.join(list(dest_ports)) if dest_ports else None
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nm = nmap.PortScanner()
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success_num, start_time = 0, time.time()
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nmap_version = '.'.join(map(lambda x: str(x), nm.nmap_version()))
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await display(f'[Summary] Nmap (v{nmap_version}): {len(ips)} addresses were scanned')
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for ip in ips:
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ok = await once_nmap(nm, str(ip), dest_port, timeout, display)
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if ok:
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success_num += 1
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await display()
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await display(f'[Done] Nmap: {len(ips)} IP addresses ({success_num} hosts up) '
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f'scanned in {round(time.time() - start_time, 2)} seconds')
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@ -1,6 +1,6 @@
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# -*- coding: utf-8 -*-
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#
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import asyncio
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import os
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import select
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import socket
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@ -23,16 +23,16 @@ def checksum(source_string):
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for count in range(0, count_to, 2):
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this = source_string[count + 1] * 256 + source_string[count]
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sum = sum + this
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sum = sum & 0xffffffff # Necessary?
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sum &= 0xffffffff # Necessary?
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if count_to < len(source_string):
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sum = sum + ord(source_string[len(source_string) - 1])
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sum = sum & 0xffffffff # Necessary?
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sum += ord(source_string[len(source_string) - 1])
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sum &= 0xffffffff # Necessary?
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sum = (sum >> 16) + (sum & 0xffff)
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sum = sum + (sum >> 16)
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sum += sum >> 16
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answer = ~sum
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answer = answer & 0xffff
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answer &= 0xffff
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# Swap bytes. Bugger me if I know why.
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answer = answer >> 8 | (answer << 8 & 0xff00)
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@ -61,7 +61,7 @@ def receive_one_ping(my_socket, id, timeout):
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time_sent = struct.unpack("d", received_packet[28: 28 + bytes])[0]
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return time_received - time_sent
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time_left = time_left - how_long_in_select
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time_left -= how_long_in_select
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if time_left <= 0:
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return
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@ -118,7 +118,7 @@ def ping(dest_addr, timeout, psize, flag=0):
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raise # raise the original error
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process_pre = os.getpid() & 0xFF00
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flag = flag & 0x00FF
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flag &= 0x00FF
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my_id = process_pre | flag
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send_one_ping(my_socket, dest_addr, my_id, psize)
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@ -128,38 +128,42 @@ def ping(dest_addr, timeout, psize, flag=0):
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return delay
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def verbose_ping(dest_ip, timeout=2, count=5, psize=64, display=None):
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async def verbose_ping(dest_ip, timeout=2, count=5, psize=64, display=None):
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"""
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Send `count' ping with `psize' size to `dest_addr' with
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the given `timeout' and display the result.
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"""
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ip = lookup_domain(dest_ip)
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if not ip:
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if not display:
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return
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if display is None:
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display = print
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ip, err = lookup_domain(dest_ip)
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if not ip:
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await display(err)
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return
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await display("PING %s (%s): 56 data bytes" % (dest_ip, ip))
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await asyncio.sleep(0.1)
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error_count = 0
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display("PING %s (%s): 56 data bytes" % (dest_ip, ip))
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for i in range(count):
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try:
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delay = ping(dest_ip, timeout, psize)
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except socket.gaierror as e:
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display("failed. (socket error: '%s')" % str(e))
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await display("Failed (socket error: '%s')" % str(e))
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error_count += 1
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break
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if delay is None:
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display("Request timeout for icmp_seq %i" % i)
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await display("Request timeout for icmp_seq %i" % i)
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error_count += 1
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else:
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delay *= 1000
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display("64 bytes from %s: icmp_seq=0 ttl=115 time=%.3f ms" % (ip, delay))
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time.sleep(1)
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display(f'--- {dest_ip} ping statistics ---')
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display(f'{count} packets transmitted, '
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await display("64 bytes from %s: icmp_seq=0 ttl=115 time=%.3f ms" % (ip, delay))
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await asyncio.sleep(1)
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await display(f'--- {dest_ip} ping statistics ---')
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await display(f'{count} packets transmitted, '
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f'{count - error_count} packets received, '
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f'{(error_count / count) * 100}% packet loss')
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print()
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if __name__ == "__main__":
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@ -0,0 +1,98 @@
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import asyncio
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import netifaces
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import socket
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import struct
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from common.utils.timezone import local_now_display
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from settings.utils import generate_ips, generate_ports
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async def once_tcpdump(
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interface, src_ips, src_ports, dest_ips, dest_ports, display, stop_event
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):
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loop = asyncio.get_event_loop()
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s = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.ntohs(0x0003))
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s.bind((interface, 0))
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s.setblocking(False)
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while not stop_event.is_set():
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try:
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packet = await loop.sock_recv(s, 65535)
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except BlockingIOError:
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await asyncio.sleep(0.1)
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# 解析IP数据包
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ip_header = packet[14:34]
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ip_hdr = struct.unpack('!BBHHHBBH4s4s', ip_header)
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# 判断是否为TCP数据包
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protocol = ip_hdr[6]
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if protocol != 6:
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continue
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# 解析TCP数据包
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tcp_header = packet[34:54]
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tcp_hdr = struct.unpack('!HHLLBBHHH', tcp_header)
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# 获取源地址、源端口号、目标地址、目标端口等信息
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src_ip, dest_ip = map(lambda x: socket.inet_ntoa(x), ip_hdr[8:10])
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src_port, dest_port = tcp_hdr[0], tcp_hdr[1]
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# 获取数据包类型和长度
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packet_type = socket.htons(ip_hdr[6])
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packet_len = len(packet)
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# 获取TCP标志位、序号、确认号、部分数据等信息
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seq, ack, flags = tcp_hdr[2], tcp_hdr[3], tcp_hdr[5]
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data = packet[54:]
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# 如果过滤的参数[源地址、源端口等]为空，则不过滤
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# 各个过滤参数之间为 `且` 的关系
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green_light = True
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if src_ips and src_ip not in src_ips:
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green_light = False
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if src_ports and src_port not in src_ports:
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green_light = False
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if dest_ips and dest_ip not in dest_ips:
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green_light = False
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if dest_ports and dest_port not in dest_ports:
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green_light = False
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if not green_light:
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continue
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results = [
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f'[{interface}][{local_now_display()}] {src_ip}:{src_port} -> '
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f'{dest_ip}:{dest_port} ({packet_type}, {packet_len} bytes)',
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f'\tFlags: {flags} Seq: {seq}, Ack: {ack}', f'\tData: {data}'
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]
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for r in results:
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await display(r)
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def list_show(items, default='all'):
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return ','.join(map(str, items)) or default
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async def verbose_tcpdump(interfaces, src_ips, src_ports, dest_ips, dest_ports, display=None):
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if not display:
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return
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stop_event = asyncio.Event()
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valid_interface = netifaces.interfaces()
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if interfaces:
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valid_interface = set(netifaces.interfaces()) & set(interfaces)
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src_ips = generate_ips(src_ips)
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src_ports = generate_ports(src_ports)
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dest_ips = generate_ips(dest_ips)
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dest_ports = generate_ports(dest_ports)
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summary = [
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f"[Summary] Tcpdump filter info: ",
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f"Interface: [{list_show(valid_interface)}]",
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f"Source address: [{list_show(src_ips)}]",
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f"source port: [{list_show(src_ports)}]",
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f"Destination address: [{list_show(dest_ips)}]",
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f"Destination port: [{list_show(dest_ports)}]",
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]
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for s in summary:
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await display(s)
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params = [src_ips, src_ports, dest_ips, dest_ports, display, stop_event]
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tasks = [
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asyncio.create_task(once_tcpdump(i, *params)) for i in valid_interface
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]
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await asyncio.gather(*tasks)
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stop_event.set()
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@ -0,0 +1,63 @@
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# -*- coding: utf-8 -*-
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#
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import asyncio
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from common.utils import lookup_domain
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PROMPT_REGEX = r'[\<|\[](.*)[\>|\]]'
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async def telnet(dest_addr, port_number=23, timeout=10):
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try:
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reader, writer = await asyncio.wait_for(
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asyncio.open_connection(dest_addr, port_number), timeout
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)
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except asyncio.TimeoutError:
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return False, 'Timeout'
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except (ConnectionRefusedError, OSError) as e:
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return False, str(e)
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try:
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# 发送命令
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writer.write(b"command\r\n")
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await writer.drain()
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# 读取响应
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response = await reader.readuntil()
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except asyncio.TimeoutError:
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writer.close()
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await writer.wait_closed()
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return False, 'Timeout'
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writer.close()
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await writer.wait_closed()
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return True, response.decode('utf-8', 'ignore')
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async def verbose_telnet(dest_ip, dest_port=23, timeout=10, display=None):
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if not display:
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return
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ip, err = lookup_domain(dest_ip)
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if not ip:
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await display(err)
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return
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await display(f'Trying {dest_ip} ({ip}:{dest_port})')
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try:
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is_connective, resp = await telnet(dest_ip, dest_port, timeout)
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if is_connective:
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msg = f'Connected to {dest_ip} {dest_port} {resp}.\r\n' \
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f'Connection closed by foreign host.'
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else:
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msg = f'Unable to connect to remote host\r\n' \
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f'Reason: {resp}'
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except Exception as e:
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msg = 'Error: %s' % e
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await display(msg)
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if __name__ == "__main__":
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print(verbose_telnet(dest_addr='1.1.1.1', port_number=2222))
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print(verbose_telnet(dest_addr='baidu.com', port_number=80))
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print(verbose_telnet(dest_addr='baidu.com', port_number=8080))
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print(verbose_telnet(dest_addr='192.168.4.1', port_number=2222))
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print(verbose_telnet(dest_addr='192.168.4.1', port_number=2223))
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print(verbose_telnet(dest_addr='ssssss', port_number=-1))
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@ -3,6 +3,3 @@
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from .ldap import *
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from .common import *
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from .ping import *
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from .telnet import *
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from .nmap import *
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@ -1,6 +1,7 @@
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# coding: utf-8
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from jumpserver.context_processor import default_interface
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from django.conf import settings
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from IPy import IP
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def get_interface_setting_or_default():
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@ -12,3 +13,56 @@ def get_interface_setting_or_default():
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def get_login_title():
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return get_interface_setting_or_default()['login_title']
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def generate_ips(ip_string):
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# 支持的格式
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# 192.168.1.1,192.168.1.2
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# 192.168.1.1-12 | 192.168.1.1-192.168.1.12 | 192.168.1.0/30 | 192.168.1.1
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ips = []
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ip_list = ip_string.split(',')
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if len(ip_list) > 1:
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for ip in ip_list:
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try:
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ips.append(str(IP(ip)))
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except ValueError:
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pass
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return ips
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ip_list = ip_string.split('-')
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try:
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if len(ip_list) == 2:
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start_ip, end_ip = ip_list
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if ip_list[1].find('.') == -1:
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end_ip = start_ip[:start_ip.rindex('.') + 1] + end_ip
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for ip in range(IP(start_ip).int(), IP(end_ip).int() + 1):
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ips.extend((str(ip) for ip in IP(ip)))
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else:
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ips.extend((str(ip) for ip in IP(ip_list[0])))
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except ValueError:
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ips = []
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return ips
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def is_valid_port(port):
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valid = True
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try:
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port = int(port)
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if port > 65535 or port < 1:
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valid = False
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except (TypeError, ValueError):
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valid = False
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return valid
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def generate_ports(ports):
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port_list = []
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if isinstance(ports, int):
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port_list.append(ports)
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elif isinstance(ports, str):
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port_list.extend(
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[int(p) for p in ports.split(',') if p.isdigit()]
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)
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elif isinstance(ports, list):
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port_list = ports
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port_list = list(map(int, filter(is_valid_port, port_list)))
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return port_list
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@ -1,60 +0,0 @@
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import time
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import nmap
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from IPy import IP
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from common.utils.timezone import local_now_display
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def generate_ips(ip_string):
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# 支持的格式
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# 192.168.1.1-12 | 192.168.1.1-192.168.1.12 | 192.168.1.0/30 | 192.168.1.1
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ip_list = ip_string.split('-')
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ips = []
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try:
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if len(ip_list) == 2:
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start_ip, end_ip = ip_list
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if ip_list[1].find('.') == -1:
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end_ip = start_ip[:start_ip.rindex('.') + 1] + end_ip
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for ip in range(IP(start_ip).int(), IP(end_ip).int() + 1):
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ips.extend(IP(ip))
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else:
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ips.extend(IP(ip_list[0]))
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except Exception:
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ips = []
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return ips
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def once_nmap(nm, ip, ports, timeout, display):
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nmap_version = '.'.join(map(lambda x: str(x), nm.nmap_version()))
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display(f'Starting Nmap {nmap_version} at {local_now_display()} for {ip}')
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try:
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is_ok = True
|
||||
nm.scan(ip, arguments='-sS -sU -F', ports=ports, timeout=timeout)
|
||||
tcp_port = nm[ip].get('tcp', {})
|
||||
udp_port = nm[ip].get('udp', {})
|
||||
display(f'PORT\tSTATE\tSERVICE')
|
||||
for port, info in tcp_port.items():
|
||||
display(f"{port}\t{info.get('state', 'unknown')}\t{info.get('name', 'unknown')}")
|
||||
for port, info in udp_port.items():
|
||||
display(f"{port}\t{info.get('state', 'unknown')}\t{info.get('name', 'unknown')}")
|
||||
except Exception:
|
||||
is_ok = False
|
||||
display(f'Nmap scan report for {ip} error.')
|
||||
return is_ok
|
||||
|
||||
|
||||
def verbose_nmap(dest_ip, dest_port=None, timeout=None, display=print):
|
||||
dest_port = ','.join(list(dest_port)) if dest_port else None
|
||||
|
||||
ips = generate_ips(dest_ip)
|
||||
nm = nmap.PortScanner()
|
||||
success_num, start_time = 0, time.time()
|
||||
display(f'[Summary] Nmap: {len(ips)} IP addresses were scanned')
|
||||
for ip in ips:
|
||||
ok = once_nmap(nm, str(ip), dest_port, timeout, display)
|
||||
if ok:
|
||||
success_num += 1
|
||||
display('')
|
||||
display(f'[Done] Nmap: {len(ips)} IP addresses ({success_num} hosts up) '
|
||||
f'scanned in {round(time.time() - start_time, 2)} seconds')
|
||||
|
|
@ -1,47 +0,0 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
#
|
||||
import socket
|
||||
import telnetlib
|
||||
|
||||
from common.utils import lookup_domain
|
||||
|
||||
PROMPT_REGEX = r'[\<|\[](.*)[\>|\]]'
|
||||
|
||||
|
||||
def telnet(dest_addr, port_number=23, timeout=10):
|
||||
try:
|
||||
connection = telnetlib.Telnet(dest_addr, port_number, timeout)
|
||||
except (ConnectionRefusedError, socket.timeout, socket.gaierror) as e:
|
||||
return False, str(e)
|
||||
expected_regexes = [bytes(PROMPT_REGEX, encoding='ascii')]
|
||||
index, prompt_regex, output = connection.expect(expected_regexes, timeout=3)
|
||||
return True, output.decode('utf-8', 'ignore')
|
||||
|
||||
|
||||
def verbose_telnet(dest_ip, dest_port=23, timeout=10, display=None):
|
||||
if display is None:
|
||||
display = print
|
||||
ip = lookup_domain(dest_ip)
|
||||
if not ip:
|
||||
return
|
||||
msg = 'Trying %s (%s:%s)' % (dest_ip, ip, dest_port)
|
||||
display(msg)
|
||||
try:
|
||||
is_connective, resp = telnet(dest_ip, dest_port, timeout)
|
||||
if is_connective:
|
||||
template = 'Connected to {0} {1}.\r\n{2}Connection closed by foreign host.'
|
||||
else:
|
||||
template = 'telnet: connect to {0} {1} {2}\r\ntelnet: Unable to connect to remote host'
|
||||
msg = template.format(dest_ip, dest_port, resp)
|
||||
except Exception as e:
|
||||
msg = 'Error: %s' % e
|
||||
display(msg)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
print(verbose_telnet(dest_addr='1.1.1.1', port_number=2222))
|
||||
print(verbose_telnet(dest_addr='baidu.com', port_number=80))
|
||||
print(verbose_telnet(dest_addr='baidu.com', port_number=8080))
|
||||
print(verbose_telnet(dest_addr='192.168.4.1', port_number=2222))
|
||||
print(verbose_telnet(dest_addr='192.168.4.1', port_number=2223))
|
||||
print(verbose_telnet(dest_addr='ssssss', port_number=-1))
|
||||
|
|
@ -1,53 +1,73 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
#
|
||||
|
||||
import json
|
||||
|
||||
from channels.generic.websocket import JsonWebsocketConsumer
|
||||
from channels.generic.websocket import AsyncJsonWebsocketConsumer
|
||||
|
||||
from common.db.utils import close_old_connections
|
||||
from common.utils import get_logger
|
||||
from .utils import verbose_ping, verbose_telnet, verbose_nmap
|
||||
from .tools import verbose_ping, verbose_telnet, verbose_nmap, verbose_tcpdump
|
||||
|
||||
|
||||
logger = get_logger(__name__)
|
||||
|
||||
|
||||
class ToolsWebsocket(JsonWebsocketConsumer):
|
||||
class ToolsWebsocket(AsyncJsonWebsocketConsumer):
|
||||
|
||||
def connect(self):
|
||||
async def connect(self):
|
||||
user = self.scope["user"]
|
||||
if user.is_authenticated:
|
||||
self.accept()
|
||||
await self.accept()
|
||||
else:
|
||||
self.close()
|
||||
await self.close()
|
||||
|
||||
def send_msg(self, msg):
|
||||
self.send_json({'msg': msg + '\r\n'})
|
||||
async def send_msg(self, msg=''):
|
||||
await self.send_json({'msg': msg + '\r\n'})
|
||||
|
||||
def imitate_ping(self, dest_ip, timeout=3, count=5, psize=64):
|
||||
"""
|
||||
Send `count' ping with `psize' size to `dest_ip' with
|
||||
the given `timeout' and display the result.
|
||||
"""
|
||||
logger.info('receive request ping {}'.format(dest_ip))
|
||||
verbose_ping(dest_ip, timeout, count, psize, display=self.send_msg)
|
||||
async def imitate_ping(self, dest_ip, timeout=3, count=5, psize=64):
|
||||
params = {
|
||||
'dest_ip': dest_ip, 'timeout': timeout,
|
||||
'count': count, 'psize': psize
|
||||
}
|
||||
logger.info(f'Receive request ping: {params}')
|
||||
await verbose_ping(display=self.send_msg, **params)
|
||||
|
||||
def imitate_telnet(self, dest_ip, dest_port=23, timeout=10):
|
||||
logger.info('receive request telnet {}'.format(dest_ip))
|
||||
verbose_telnet(dest_ip, dest_port, timeout, display=self.send_msg)
|
||||
async def imitate_telnet(self, dest_ip, dest_port=23, timeout=10):
|
||||
params = {
|
||||
'dest_ip': dest_ip, 'dest_port': dest_port, 'timeout': timeout,
|
||||
}
|
||||
logger.info(f'Receive request telnet: {params}')
|
||||
await verbose_telnet(display=self.send_msg, **params)
|
||||
|
||||
def imitate_nmap(self, dest_ip, dest_port=None, timeout=None):
|
||||
logger.info('receive request nmap {}'.format(dest_ip))
|
||||
verbose_nmap(dest_ip, dest_port, timeout, display=self.send_msg)
|
||||
async def imitate_nmap(self, dest_ips, dest_ports=None, timeout=None):
|
||||
params = {
|
||||
'dest_ips': dest_ips, 'dest_ports': dest_ports, 'timeout': timeout,
|
||||
}
|
||||
logger.info(f'Receive request nmap: {params}')
|
||||
await verbose_nmap(display=self.send_msg, **params)
|
||||
|
||||
def receive(self, text_data=None, bytes_data=None, **kwargs):
|
||||
async def imitate_tcpdump(
|
||||
self, interfaces=None, src_ips='',
|
||||
src_ports='', dest_ips='', dest_ports=''
|
||||
):
|
||||
params = {
|
||||
'interfaces': interfaces, 'src_ips': src_ips, 'src_ports': src_ports,
|
||||
'dest_ips': dest_ips, 'dest_ports': dest_ports
|
||||
}
|
||||
logger.info(f'Receive request tcpdump: {params}')
|
||||
await verbose_tcpdump(display=self.send_msg, **params)
|
||||
|
||||
async def receive(self, text_data=None, bytes_data=None, **kwargs):
|
||||
data = json.loads(text_data)
|
||||
tool_type = data.pop('tool_type', 'Ping')
|
||||
|
||||
try:
|
||||
tool_func = getattr(self, f'imitate_{tool_type.lower()}')
|
||||
tool_func(**data)
|
||||
self.close()
|
||||
await tool_func(**data)
|
||||
except Exception as error:
|
||||
await self.send_msg('Exception: %s' % error)
|
||||
await self.send_msg()
|
||||
await self.close()
|
||||
|
||||
def disconnect(self, code):
|
||||
self.close()
|
||||
async def disconnect(self, code):
|
||||
await self.close()
|
||||
close_old_connections()
|
||||
|
|
|
|||
|
|
@ -140,6 +140,7 @@ pympler = "1.0.1"
|
|||
hvac = "1.1.1"
|
||||
pyhcl = "0.4.4"
|
||||
ipy = "1.1"
|
||||
netifaces = "^0.11.0"
|
||||
|
||||
|
||||
[tool.poetry.group.dev.dependencies]
|
||||
|
|
|
|||
|
|
@ -94,6 +94,7 @@ openapi-codec==1.3.2
|
|||
Pillow==10.0.0
|
||||
pytz==2023.3
|
||||
# Runtime
|
||||
netifaces==0.11.0
|
||||
django-proxy==1.2.2
|
||||
channels-redis==4.1.0
|
||||
python-daemon==3.0.1
|
||||
|
|
|
|||
Loading…
Reference in New Issue