147 lines
6 KiB
Python
147 lines
6 KiB
Python
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#!/usr/bin/env python2
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# Copyright (c) 2015 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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import socket
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import traceback, sys
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from binascii import hexlify
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import time, os
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from socks5 import Socks5Configuration, Socks5Command, Socks5Server, AddressType
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from test_framework import BitcoinTestFramework
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from util import *
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'''
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Test plan:
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- Start bitcoind's with different proxy configurations
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- Use addnode to initiate connections
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- Verify that proxies are connected to, and the right connection command is given
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- Proxy configurations to test on bitcoind side:
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- `-proxy` (proxy everything)
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- `-onion` (proxy just onions)
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- `-proxyrandomize` Circuit randomization
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- Proxy configurations to test on proxy side,
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- support no authentication (other proxy)
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- support no authentication + user/pass authentication (Tor)
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- proxy on IPv6
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- Create various proxies (as threads)
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- Create bitcoinds that connect to them
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- Manipulate the bitcoinds using addnode (onetry) an observe effects
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addnode connect to IPv4
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addnode connect to IPv6
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addnode connect to onion
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addnode connect to generic DNS name
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'''
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class ProxyTest(BitcoinTestFramework):
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def __init__(self):
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# Create two proxies on different ports
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# ... one unauthenticated
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self.conf1 = Socks5Configuration()
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self.conf1.addr = ('127.0.0.1', 13000 + (os.getpid() % 1000))
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self.conf1.unauth = True
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self.conf1.auth = False
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# ... one supporting authenticated and unauthenticated (Tor)
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self.conf2 = Socks5Configuration()
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self.conf2.addr = ('127.0.0.1', 14000 + (os.getpid() % 1000))
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self.conf2.unauth = True
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self.conf2.auth = True
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# ... one on IPv6 with similar configuration
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self.conf3 = Socks5Configuration()
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self.conf3.af = socket.AF_INET6
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self.conf3.addr = ('::1', 15000 + (os.getpid() % 1000))
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self.conf3.unauth = True
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self.conf3.auth = True
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self.serv1 = Socks5Server(self.conf1)
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self.serv1.start()
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self.serv2 = Socks5Server(self.conf2)
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self.serv2.start()
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self.serv3 = Socks5Server(self.conf3)
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self.serv3.start()
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def setup_nodes(self):
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# Note: proxies are not used to connect to local nodes
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# this is because the proxy to use is based on CService.GetNetwork(), which return NET_UNROUTABLE for localhost
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return start_nodes(4, self.options.tmpdir, extra_args=[
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['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-proxyrandomize=1'],
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['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-onion=%s:%i' % (self.conf2.addr),'-proxyrandomize=0'],
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['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf2.addr),'-proxyrandomize=1'],
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['-listen', '-debug=net', '-debug=proxy', '-proxy=[%s]:%i' % (self.conf3.addr),'-proxyrandomize=0']
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])
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def node_test(self, node, proxies, auth):
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rv = []
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# Test: outgoing IPv4 connection through node
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node.addnode("15.61.23.23:1234", "onetry")
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cmd = proxies[0].queue.get()
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assert(isinstance(cmd, Socks5Command))
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# Note: bitcoind's SOCKS5 implementation only sends atyp DOMAINNAME, even if connecting directly to IPv4/IPv6
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assert_equal(cmd.atyp, AddressType.DOMAINNAME)
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assert_equal(cmd.addr, "15.61.23.23")
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assert_equal(cmd.port, 1234)
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if not auth:
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assert_equal(cmd.username, None)
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assert_equal(cmd.password, None)
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rv.append(cmd)
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# Test: outgoing IPv6 connection through node
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node.addnode("[1233:3432:2434:2343:3234:2345:6546:4534]:5443", "onetry")
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cmd = proxies[1].queue.get()
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assert(isinstance(cmd, Socks5Command))
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# Note: bitcoind's SOCKS5 implementation only sends atyp DOMAINNAME, even if connecting directly to IPv4/IPv6
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assert_equal(cmd.atyp, AddressType.DOMAINNAME)
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assert_equal(cmd.addr, "1233:3432:2434:2343:3234:2345:6546:4534")
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assert_equal(cmd.port, 5443)
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if not auth:
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assert_equal(cmd.username, None)
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assert_equal(cmd.password, None)
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rv.append(cmd)
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# Test: outgoing onion connection through node
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node.addnode("bitcoinostk4e4re.onion:8333", "onetry")
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cmd = proxies[2].queue.get()
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assert(isinstance(cmd, Socks5Command))
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assert_equal(cmd.atyp, AddressType.DOMAINNAME)
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assert_equal(cmd.addr, "bitcoinostk4e4re.onion")
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assert_equal(cmd.port, 8333)
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if not auth:
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assert_equal(cmd.username, None)
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assert_equal(cmd.password, None)
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rv.append(cmd)
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# Test: outgoing DNS name connection through node
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node.addnode("node.noumenon:8333", "onetry")
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cmd = proxies[3].queue.get()
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assert(isinstance(cmd, Socks5Command))
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assert_equal(cmd.atyp, AddressType.DOMAINNAME)
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assert_equal(cmd.addr, "node.noumenon")
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assert_equal(cmd.port, 8333)
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if not auth:
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assert_equal(cmd.username, None)
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assert_equal(cmd.password, None)
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rv.append(cmd)
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return rv
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def run_test(self):
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# basic -proxy
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self.node_test(self.nodes[0], [self.serv1, self.serv1, self.serv1, self.serv1], False)
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# -proxy plus -onion
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self.node_test(self.nodes[1], [self.serv1, self.serv1, self.serv2, self.serv1], False)
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# -proxy plus -onion, -proxyrandomize
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rv = self.node_test(self.nodes[2], [self.serv2, self.serv2, self.serv2, self.serv2], True)
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# Check that credentials as used for -proxyrandomize connections are unique
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credentials = set((x.username,x.password) for x in rv)
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assert_equal(len(credentials), 4)
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# proxy on IPv6 localhost
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self.node_test(self.nodes[3], [self.serv3, self.serv3, self.serv3, self.serv3], False)
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if __name__ == '__main__':
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ProxyTest().main()
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