forked from p34709852/monkey
79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
import socket
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import select
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from threading import Thread
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from base import TransportProxyBase, update_last_serve_time
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from logging import getLogger
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READ_BUFFER_SIZE = 8192
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DEFAULT_TIMEOUT = 30
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LOG = getLogger(__name__)
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class SocketsPipe(Thread):
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def __init__(self, source, dest, timeout=DEFAULT_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:
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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:
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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(DEFAULT_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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try:
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dest = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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dest.connect((self.dest_host, self.dest_port))
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except socket.error, ex:
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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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LOG.debug("piping sockets %s:%s->%s:%s", address[0], address[1], self.dest_host, self.dest_port)
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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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