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#!/usr/bin/env python3
# Copyright (c) 2015-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test bitcoind with different proxy configuration.
Test plan:
- Start bitcoind's with different proxy configurations
- Use addnode to initiate connections
- Verify that proxies are connected to, and the right connection command is given
- Proxy configurations to test on bitcoind side:
- `-proxy` (proxy everything)
- `-onion` (proxy just onions)
- `-proxyrandomize` Circuit randomization
- Proxy configurations to test on proxy side,
- support no authentication (other proxy)
- support no authentication + user/pass authentication (Tor)
- proxy on IPv6
- Create various proxies (as threads)
- Create bitcoinds that connect to them
- Manipulate the bitcoinds using addnode (onetry) an observe effects
addnode connect to IPv4
addnode connect to IPv6
addnode connect to onion
addnode connect to generic DNS name
"""
import socket
import os
from test_framework.socks5 import Socks5Configuration, Socks5Command, Socks5Server, AddressType
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
PORT_MIN,
PORT_RANGE,
start_nodes,
assert_equal,
)
from test_framework.netutil import test_ipv6_local
RANGE_BEGIN = PORT_MIN + 2 * PORT_RANGE # Start after p2p and rpc ports
class ProxyTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
self.num_nodes = 4
self.setup_clean_chain = False
self.have_ipv6 = test_ipv6_local()
# Create two proxies on different ports
# ... one unauthenticated
self.conf1 = Socks5Configuration()
self.conf1.addr = ('127.0.0.1', RANGE_BEGIN + (os.getpid() % 1000))
self.conf1.unauth = True
self.conf1.auth = False
# ... one supporting authenticated and unauthenticated (Tor)
self.conf2 = Socks5Configuration()
self.conf2.addr = ('127.0.0.1', RANGE_BEGIN + 1000 + (os.getpid() % 1000))
self.conf2.unauth = True
self.conf2.auth = True
if self.have_ipv6:
# ... one on IPv6 with similar configuration
self.conf3 = Socks5Configuration()
self.conf3.af = socket.AF_INET6
self.conf3.addr = ('::1', RANGE_BEGIN + 2000 + (os.getpid() % 1000))
self.conf3.unauth = True
self.conf3.auth = True
else:
print("Warning: testing without local IPv6 support")
self.serv1 = Socks5Server(self.conf1)
self.serv1.start()
self.serv2 = Socks5Server(self.conf2)
self.serv2.start()
if self.have_ipv6:
self.serv3 = Socks5Server(self.conf3)
self.serv3.start()
def setup_nodes(self):
# Note: proxies are not used to connect to local nodes
# this is because the proxy to use is based on CService.GetNetwork(), which return NET_UNROUTABLE for localhost
args = [
['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-proxyrandomize=1'],
['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-onion=%s:%i' % (self.conf2.addr),'-proxyrandomize=0'],
['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf2.addr),'-proxyrandomize=1'],
[]
]
if self.have_ipv6:
args[3] = ['-listen', '-debug=net', '-debug=proxy', '-proxy=[%s]:%i' % (self.conf3.addr),'-proxyrandomize=0', '-noonion']
return start_nodes(self.num_nodes, self.options.tmpdir, extra_args=args)
def node_test(self, node, proxies, auth, test_onion=True):
rv = []
# Test: outgoing IPv4 connection through node
node.addnode("15.61.23.23:1234", "onetry")
cmd = proxies[0].queue.get()
assert(isinstance(cmd, Socks5Command))
# Note: bitcoind's SOCKS5 implementation only sends atyp DOMAINNAME, even if connecting directly to IPv4/IPv6
assert_equal(cmd.atyp, AddressType.DOMAINNAME)
assert_equal(cmd.addr, b"15.61.23.23")
assert_equal(cmd.port, 1234)
if not auth:
assert_equal(cmd.username, None)
assert_equal(cmd.password, None)
rv.append(cmd)
if self.have_ipv6:
# Test: outgoing IPv6 connection through node
node.addnode("[1233:3432:2434:2343:3234:2345:6546:4534]:5443", "onetry")
cmd = proxies[1].queue.get()
assert(isinstance(cmd, Socks5Command))
# Note: bitcoind's SOCKS5 implementation only sends atyp DOMAINNAME, even if connecting directly to IPv4/IPv6
assert_equal(cmd.atyp, AddressType.DOMAINNAME)
assert_equal(cmd.addr, b"1233:3432:2434:2343:3234:2345:6546:4534")
assert_equal(cmd.port, 5443)
if not auth:
assert_equal(cmd.username, None)
assert_equal(cmd.password, None)
rv.append(cmd)
if test_onion:
# Test: outgoing onion connection through node
node.addnode("bitcoinostk4e4re.onion:8333", "onetry")
cmd = proxies[2].queue.get()
assert(isinstance(cmd, Socks5Command))
assert_equal(cmd.atyp, AddressType.DOMAINNAME)
assert_equal(cmd.addr, b"bitcoinostk4e4re.onion")
assert_equal(cmd.port, 8333)
if not auth:
assert_equal(cmd.username, None)
assert_equal(cmd.password, None)
rv.append(cmd)
# Test: outgoing DNS name connection through node
node.addnode("node.noumenon:8333", "onetry")
cmd = proxies[3].queue.get()
assert(isinstance(cmd, Socks5Command))
assert_equal(cmd.atyp, AddressType.DOMAINNAME)
assert_equal(cmd.addr, b"node.noumenon")
assert_equal(cmd.port, 8333)
if not auth:
assert_equal(cmd.username, None)
assert_equal(cmd.password, None)
rv.append(cmd)
return rv
def run_test(self):
# basic -proxy
self.node_test(self.nodes[0], [self.serv1, self.serv1, self.serv1, self.serv1], False)
# -proxy plus -onion
self.node_test(self.nodes[1], [self.serv1, self.serv1, self.serv2, self.serv1], False)
# -proxy plus -onion, -proxyrandomize
rv = self.node_test(self.nodes[2], [self.serv2, self.serv2, self.serv2, self.serv2], True)
# Check that credentials as used for -proxyrandomize connections are unique
credentials = set((x.username,x.password) for x in rv)
assert_equal(len(credentials), len(rv))
if self.have_ipv6:
# proxy on IPv6 localhost
self.node_test(self.nodes[3], [self.serv3, self.serv3, self.serv3, self.serv3], False, False)
def networks_dict(d):
r = {}
for x in d['networks']:
r[x['name']] = x
return r
# test RPC getnetworkinfo
n0 = networks_dict(self.nodes[0].getnetworkinfo())
for net in ['ipv4','ipv6','onion']:
assert_equal(n0[net]['proxy'], '%s:%i' % (self.conf1.addr))
assert_equal(n0[net]['proxy_randomize_credentials'], True)
assert_equal(n0['onion']['reachable'], True)
n1 = networks_dict(self.nodes[1].getnetworkinfo())
for net in ['ipv4','ipv6']:
assert_equal(n1[net]['proxy'], '%s:%i' % (self.conf1.addr))
assert_equal(n1[net]['proxy_randomize_credentials'], False)
assert_equal(n1['onion']['proxy'], '%s:%i' % (self.conf2.addr))
assert_equal(n1['onion']['proxy_randomize_credentials'], False)
assert_equal(n1['onion']['reachable'], True)
n2 = networks_dict(self.nodes[2].getnetworkinfo())
for net in ['ipv4','ipv6','onion']:
assert_equal(n2[net]['proxy'], '%s:%i' % (self.conf2.addr))
assert_equal(n2[net]['proxy_randomize_credentials'], True)
assert_equal(n2['onion']['reachable'], True)
if self.have_ipv6:
n3 = networks_dict(self.nodes[3].getnetworkinfo())
for net in ['ipv4','ipv6']:
assert_equal(n3[net]['proxy'], '[%s]:%i' % (self.conf3.addr))
assert_equal(n3[net]['proxy_randomize_credentials'], False)
assert_equal(n3['onion']['reachable'], False)
if __name__ == '__main__':
ProxyTest().main()