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311 lines
13 KiB
311 lines
13 KiB
#!/usr/bin/env python3
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# Copyright (c) 2015-2021 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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"""Test bitcoind with different proxy configuration.
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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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- `-cjdnsreachable`
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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 nodes that connect to them
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- Manipulate the peer connections using addnode (onetry) and observe effects
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- Test the getpeerinfo `network` field for the peer
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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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addnode connect to a CJDNS address
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- Test getnetworkinfo for each node
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"""
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import socket
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import os
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from test_framework.socks5 import Socks5Configuration, Socks5Command, Socks5Server, AddressType
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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PORT_MIN,
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PORT_RANGE,
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assert_equal,
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)
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from test_framework.netutil import test_ipv6_local
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RANGE_BEGIN = PORT_MIN + 2 * PORT_RANGE # Start after p2p and rpc ports
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# Networks returned by RPC getpeerinfo.
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NET_UNROUTABLE = "not_publicly_routable"
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NET_IPV4 = "ipv4"
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NET_IPV6 = "ipv6"
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NET_ONION = "onion"
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NET_I2P = "i2p"
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NET_CJDNS = "cjdns"
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# Networks returned by RPC getnetworkinfo, defined in src/rpc/net.cpp::GetNetworksInfo()
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NETWORKS = frozenset({NET_IPV4, NET_IPV6, NET_ONION, NET_I2P, NET_CJDNS})
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class ProxyTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 5
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self.setup_clean_chain = True
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def setup_nodes(self):
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self.have_ipv6 = test_ipv6_local()
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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', RANGE_BEGIN + (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', RANGE_BEGIN + 1000 + (os.getpid() % 1000))
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self.conf2.unauth = True
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self.conf2.auth = True
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if self.have_ipv6:
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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', RANGE_BEGIN + 2000 + (os.getpid() % 1000))
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self.conf3.unauth = True
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self.conf3.auth = True
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else:
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self.log.warning("Testing without local IPv6 support")
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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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if self.have_ipv6:
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self.serv3 = Socks5Server(self.conf3)
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self.serv3.start()
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# We will not try to connect to this.
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self.i2p_sam = ('127.0.0.1', 7656)
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# Note: proxies are not used to connect to local nodes. This is because the proxy to
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# use is based on CService.GetNetwork(), which returns NET_UNROUTABLE for localhost.
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args = [
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['-listen', f'-proxy={self.conf1.addr[0]}:{self.conf1.addr[1]}','-proxyrandomize=1'],
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['-listen', f'-proxy={self.conf1.addr[0]}:{self.conf1.addr[1]}',f'-onion={self.conf2.addr[0]}:{self.conf2.addr[1]}',
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f'-i2psam={self.i2p_sam[0]}:{self.i2p_sam[1]}', '-i2pacceptincoming=0', '-proxyrandomize=0'],
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['-listen', f'-proxy={self.conf2.addr[0]}:{self.conf2.addr[1]}','-proxyrandomize=1'],
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[],
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['-listen', f'-proxy={self.conf1.addr[0]}:{self.conf1.addr[1]}','-proxyrandomize=1',
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'-cjdnsreachable']
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]
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if self.have_ipv6:
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args[3] = ['-listen', f'-proxy=[{self.conf3.addr[0]}]:{self.conf3.addr[1]}','-proxyrandomize=0', '-noonion']
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self.add_nodes(self.num_nodes, extra_args=args)
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self.start_nodes()
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def network_test(self, node, addr, network):
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for peer in node.getpeerinfo():
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if peer["addr"] == addr:
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assert_equal(peer["network"], network)
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def node_test(self, node, *, proxies, auth, test_onion, test_cjdns):
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rv = []
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addr = "15.61.23.23:1234"
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self.log.debug(f"Test: outgoing IPv4 connection through node for address {addr}")
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node.addnode(addr, "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, b"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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self.network_test(node, addr, network=NET_IPV4)
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if self.have_ipv6:
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addr = "[1233:3432:2434:2343:3234:2345:6546:4534]:5443"
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self.log.debug(f"Test: outgoing IPv6 connection through node for address {addr}")
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node.addnode(addr, "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, b"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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self.network_test(node, addr, network=NET_IPV6)
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if test_onion:
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addr = "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion:8333"
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self.log.debug(f"Test: outgoing onion connection through node for address {addr}")
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node.addnode(addr, "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, b"pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.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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self.network_test(node, addr, network=NET_ONION)
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if test_cjdns:
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addr = "[fc00:1:2:3:4:5:6:7]:8888"
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self.log.debug(f"Test: outgoing CJDNS connection through node for address {addr}")
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node.addnode(addr, "onetry")
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cmd = proxies[1].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, b"fc00:1:2:3:4:5:6:7")
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assert_equal(cmd.port, 8888)
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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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self.network_test(node, addr, network=NET_CJDNS)
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addr = "node.noumenon:8333"
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self.log.debug(f"Test: outgoing DNS name connection through node for address {addr}")
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node.addnode(addr, "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, b"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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self.network_test(node, addr, network=NET_UNROUTABLE)
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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],
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proxies=[self.serv1, self.serv1, self.serv1, self.serv1],
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auth=False, test_onion=True, test_cjdns=False)
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# -proxy plus -onion
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self.node_test(self.nodes[1],
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proxies=[self.serv1, self.serv1, self.serv2, self.serv1],
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auth=False, test_onion=True, test_cjdns=False)
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# -proxy plus -onion, -proxyrandomize
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rv = self.node_test(self.nodes[2],
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proxies=[self.serv2, self.serv2, self.serv2, self.serv2],
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auth=True, test_onion=True, test_cjdns=False)
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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), len(rv))
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if self.have_ipv6:
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# proxy on IPv6 localhost
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self.node_test(self.nodes[3],
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proxies=[self.serv3, self.serv3, self.serv3, self.serv3],
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auth=False, test_onion=False, test_cjdns=False)
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# -proxy=unauth -proxyrandomize=1 -cjdnsreachable
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self.node_test(self.nodes[4],
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proxies=[self.serv1, self.serv1, self.serv1, self.serv1],
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auth=False, test_onion=True, test_cjdns=True)
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def networks_dict(d):
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r = {}
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for x in d['networks']:
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r[x['name']] = x
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return r
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self.log.info("Test RPC getnetworkinfo")
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n0 = networks_dict(self.nodes[0].getnetworkinfo())
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assert_equal(NETWORKS, n0.keys())
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for net in NETWORKS:
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if net == NET_I2P:
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expected_proxy = ''
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expected_randomize = False
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else:
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expected_proxy = '%s:%i' % (self.conf1.addr)
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expected_randomize = True
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assert_equal(n0[net]['proxy'], expected_proxy)
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assert_equal(n0[net]['proxy_randomize_credentials'], expected_randomize)
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assert_equal(n0['onion']['reachable'], True)
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assert_equal(n0['i2p']['reachable'], False)
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assert_equal(n0['cjdns']['reachable'], False)
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n1 = networks_dict(self.nodes[1].getnetworkinfo())
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assert_equal(NETWORKS, n1.keys())
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for net in ['ipv4', 'ipv6']:
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assert_equal(n1[net]['proxy'], f'{self.conf1.addr[0]}:{self.conf1.addr[1]}')
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assert_equal(n1[net]['proxy_randomize_credentials'], False)
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assert_equal(n1['onion']['proxy'], f'{self.conf2.addr[0]}:{self.conf2.addr[1]}')
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assert_equal(n1['onion']['proxy_randomize_credentials'], False)
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assert_equal(n1['onion']['reachable'], True)
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assert_equal(n1['i2p']['proxy'], f'{self.i2p_sam[0]}:{self.i2p_sam[1]}')
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assert_equal(n1['i2p']['proxy_randomize_credentials'], False)
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assert_equal(n1['i2p']['reachable'], True)
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n2 = networks_dict(self.nodes[2].getnetworkinfo())
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assert_equal(NETWORKS, n2.keys())
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for net in NETWORKS:
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if net == NET_I2P:
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expected_proxy = ''
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expected_randomize = False
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else:
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expected_proxy = f'{self.conf2.addr[0]}:{self.conf2.addr[1]}'
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expected_randomize = True
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assert_equal(n2[net]['proxy'], expected_proxy)
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assert_equal(n2[net]['proxy_randomize_credentials'], expected_randomize)
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assert_equal(n2['onion']['reachable'], True)
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assert_equal(n2['i2p']['reachable'], False)
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assert_equal(n2['cjdns']['reachable'], False)
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if self.have_ipv6:
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n3 = networks_dict(self.nodes[3].getnetworkinfo())
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assert_equal(NETWORKS, n3.keys())
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for net in NETWORKS:
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if net == NET_I2P or net == NET_ONION:
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expected_proxy = ''
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else:
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expected_proxy = f'[{self.conf3.addr[0]}]:{self.conf3.addr[1]}'
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assert_equal(n3[net]['proxy'], expected_proxy)
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assert_equal(n3[net]['proxy_randomize_credentials'], False)
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assert_equal(n3['onion']['reachable'], False)
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assert_equal(n3['i2p']['reachable'], False)
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assert_equal(n3['cjdns']['reachable'], False)
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n4 = networks_dict(self.nodes[4].getnetworkinfo())
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assert_equal(NETWORKS, n4.keys())
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for net in NETWORKS:
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if net == NET_I2P:
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expected_proxy = ''
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expected_randomize = False
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else:
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expected_proxy = '%s:%i' % (self.conf1.addr)
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expected_randomize = True
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assert_equal(n4[net]['proxy'], expected_proxy)
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assert_equal(n4[net]['proxy_randomize_credentials'], expected_randomize)
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assert_equal(n4['onion']['reachable'], True)
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assert_equal(n4['i2p']['reachable'], False)
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assert_equal(n4['cjdns']['reachable'], True)
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if __name__ == '__main__':
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ProxyTest().main()
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