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#!/usr/bin/env python3
# Copyright (c) 2014-2021 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 starting bitcoind with -bind and/or -bind=...=onion and confirm
that bind happens on the expected ports.
"""
import sys
from test_framework.netutil import (
addr_to_hex,
get_bind_addrs,
)
from test_framework.test_framework import (
BitcoinTestFramework,
SkipTest,
)
from test_framework.util import (
assert_equal,
p2p_port,
rpc_port,
)
class BindExtraTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
# Avoid any -bind= on the command line. Force the framework to avoid
# adding -bind=127.0.0.1.
self.bind_to_localhost_only = False
self.num_nodes = 2
def setup_network(self):
# Due to OS-specific network stats queries, we only run on Linux.
self.log.info("Checking for Linux")
if not sys.platform.startswith('linux'):
raise SkipTest("This test can only be run on Linux.")
loopback_ipv4 = addr_to_hex("127.0.0.1")
# Start custom ports by reusing unused p2p ports
port = p2p_port(self.num_nodes)
# Array of tuples [command line arguments, expected bind addresses].
self.expected = []
# Node0, no normal -bind=... with -bind=...=onion, thus only the tor target.
self.expected.append(
[
[f"-bind=127.0.0.1:{port}=onion"],
[(loopback_ipv4, port)]
],
)
port += 1
# Node1, both -bind=... and -bind=...=onion.
self.expected.append(
[
[f"-bind=127.0.0.1:{port}", f"-bind=127.0.0.1:{port + 1}=onion"],
[(loopback_ipv4, port), (loopback_ipv4, port + 1)]
],
)
port += 2
self.extra_args = list(map(lambda e: e[0], self.expected))
self.add_nodes(self.num_nodes, self.extra_args)
# Don't start the nodes, as some of them would collide trying to bind on the same port.
def run_test(self):
for i in range(len(self.expected)):
self.log.info(f"Starting node {i} with {self.expected[i][0]}")
self.start_node(i)
pid = self.nodes[i].process.pid
binds = set(get_bind_addrs(pid))
# Remove IPv6 addresses because on some CI environments "::1" is not configured
# on the system (so our test_ipv6_local() would return False), but it is
# possible to bind on "::". This makes it unpredictable whether to expect
# that bitcoind has bound on "::1" (for RPC) and "::" (for P2P).
ipv6_addr_len_bytes = 32
binds = set(filter(lambda e: len(e[0]) != ipv6_addr_len_bytes, binds))
# Remove RPC ports. They are not relevant for this test.
binds = set(filter(lambda e: e[1] != rpc_port(i), binds))
assert_equal(binds, set(self.expected[i][1]))
self.stop_node(i)
self.log.info(f"Stopped node {i}")
if __name__ == '__main__':
BindExtraTest().main()
|
