forked from p15670423/monkey
Agent: Remove unused proxy classes
This commit is contained in:
Kekoa Kaaikala
Mike Salvatore
parent
d7cabc2f5e
commit
1c805184fe
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@ -1,31 +0,0 @@
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import time
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from threading import Thread
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g_last_served = None
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PROXY_TIMEOUT = 2.5
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class TransportProxyBase(Thread):
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def __init__(self, local_port, dest_host=None, dest_port=None, local_host=""):
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global g_last_served
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self.local_host = local_host
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self.local_port = local_port
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self.dest_host = dest_host
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self.dest_port = dest_port
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self._stopped = False
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super(TransportProxyBase, self).__init__()
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self.daemon = True
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def stop(self):
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self._stopped = True
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def update_last_serve_time():
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global g_last_served
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g_last_served = time.time()
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def get_last_serve_time():
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global g_last_served
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return g_last_served
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@ -1,17 +1,9 @@
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import http.server
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import select
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import socket
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import threading
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import urllib
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from logging import getLogger
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from urllib.parse import urlsplit
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from infection_monkey.network.tools import get_interface_to_target
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from infection_monkey.transport.base import (
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PROXY_TIMEOUT,
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TransportProxyBase,
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update_last_serve_time,
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)
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logger = getLogger(__name__)
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@ -110,56 +102,6 @@ class FileServHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
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)
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class HTTPConnectProxyHandler(http.server.BaseHTTPRequestHandler):
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timeout = 30 # timeout with clients, set to None not to make persistent connection
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def version_string(self):
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return ""
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def do_CONNECT(self):
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logger.info("Received a connect request!")
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# just provide a tunnel, transfer the data with no modification
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req = self
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req.path = "https://%s/" % req.path.replace(":443", "")
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u = urlsplit(req.path)
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address = (u.hostname, u.port or 443)
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try:
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conn = socket.create_connection(address)
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except socket.error as e:
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logger.debug(
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"HTTPConnectProxyHandler: Got exception while trying to connect to %s: %s"
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% (repr(address), e)
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)
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self.send_error(504) # 504 Gateway Timeout
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return
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self.send_response(200, "Connection Established")
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self.send_header("Connection", "close")
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self.end_headers()
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conns = [self.connection, conn]
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keep_connection = True
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while keep_connection:
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keep_connection = False
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rlist, wlist, xlist = select.select(conns, [], conns, self.timeout)
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if xlist:
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break
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for r in rlist:
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other = conns[1] if r is conns[0] else conns[0]
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data = r.recv(8192)
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if data:
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other.sendall(data)
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keep_connection = True
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update_last_serve_time()
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conn.close()
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def log_message(self, format_string, *args):
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logger.debug(
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"HTTPConnectProxyHandler: %s - [%s] %s"
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% (self.address_string(), self.log_date_time_string(), format_string % args)
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)
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class LockedHTTPServer(threading.Thread):
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"""
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Same as HTTPServer used for file downloads just with locks to avoid racing conditions.
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@ -226,11 +168,3 @@ class LockedHTTPServer(threading.Thread):
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def stop(self, timeout=STOP_TIMEOUT):
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self._stopped = True
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self.join(timeout)
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class HTTPConnectProxy(TransportProxyBase):
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def run(self):
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httpd = http.server.HTTPServer((self.local_host, self.local_port), HTTPConnectProxyHandler)
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httpd.timeout = PROXY_TIMEOUT
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while not self._stopped:
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httpd.handle_request()
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@ -1,88 +0,0 @@
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import select
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import socket
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from logging import getLogger
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from threading import Thread
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from infection_monkey.transport.base import (
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PROXY_TIMEOUT,
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TransportProxyBase,
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update_last_serve_time,
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)
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READ_BUFFER_SIZE = 8192
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SOCKET_READ_TIMEOUT = 10
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logger = getLogger(__name__)
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class SocketsPipe(Thread):
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def __init__(self, source, dest, timeout=SOCKET_READ_TIMEOUT):
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Thread.__init__(self)
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self.source = source
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self.dest = dest
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self.timeout = timeout
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self._keep_connection = True
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super(SocketsPipe, self).__init__()
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self.daemon = True
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def run(self):
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sockets = [self.source, self.dest]
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while self._keep_connection:
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self._keep_connection = False
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rlist, wlist, xlist = select.select(sockets, [], sockets, self.timeout)
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if xlist:
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break
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for r in rlist:
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other = self.dest if r is self.source else self.source
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try:
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data = r.recv(READ_BUFFER_SIZE)
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except Exception:
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break
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if data:
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try:
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other.sendall(data)
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update_last_serve_time()
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except Exception:
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break
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self._keep_connection = True
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self.source.close()
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self.dest.close()
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class TcpProxy(TransportProxyBase):
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def run(self):
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pipes = []
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l_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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l_socket.bind((self.local_host, self.local_port))
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l_socket.settimeout(PROXY_TIMEOUT)
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l_socket.listen(5)
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while not self._stopped:
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try:
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source, address = l_socket.accept()
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except socket.timeout:
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continue
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dest = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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dest.connect((self.dest_host, self.dest_port))
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except socket.error:
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source.close()
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dest.close()
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continue
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pipe = SocketsPipe(source, dest)
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pipes.append(pipe)
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logger.debug(
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"piping sockets %s:%s->%s:%s",
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address[0],
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address[1],
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self.dest_host,
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self.dest_port,
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)
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pipe.start()
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l_socket.close()
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for pipe in pipes:
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pipe.join()
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