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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
I am a support module for making SOCKSv4 servers with twistd.
"""
from twisted.application import internet
from twisted.protocols import socks
from twisted.python import usage
class Options(usage.Options):
synopsis = "[-i <interface>] [-p <port>] [-l <file>]"
optParameters = [
["interface", "i", "127.0.0.1", "local interface to which we listen"],
["port", "p", 1080, "Port on which to listen"],
["log", "l", None, "file to log connection data to"],
]
compData = usage.Completions(
optActions={
"log": usage.CompleteFiles("*.log"),
"interface": usage.CompleteNetInterfaces(),
}
)
longdesc = "Makes a SOCKSv4 server."
def makeService(config):
if config["interface"] != "127.0.0.1":
print()
print("WARNING:")
print(" You have chosen to listen on a non-local interface.")
print(" This may allow intruders to access your local network")
print(" if you run this on a firewall.")
print()
t = socks.SOCKSv4Factory(config["log"])
portno = int(config["port"])
return internet.TCPServer(portno, t, interface=config["interface"])
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