#!/usr/bin/env python3 # Copyright (c) 2014-2017 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 running bitcoind with the -rpcbind and -rpcallowip options.""" import socket import sys from test_framework.test_framework import BitcoinTestFramework, SkipTest from test_framework.util import * from test_framework.netutil import * class RPCBindTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 1 def setup_network(self): self.add_nodes(self.num_nodes, None) def run_bind_test(self, allow_ips, connect_to, addresses, expected): ''' Start a node with requested rpcallowip and rpcbind parameters, then try to connect, and check if the set of bound addresses matches the expected set. ''' self.log.info("Bind test for %s" % str(addresses)) expected = [(addr_to_hex(addr), port) for (addr, port) in expected] base_args = ['-disablewallet', '-nolisten'] if allow_ips: base_args += ['-rpcallowip=' + x for x in allow_ips] binds = ['-rpcbind='+addr for addr in addresses] self.nodes[0].rpchost = connect_to self.start_node(0, base_args + binds) pid = self.nodes[0].process.pid assert_equal(set(get_bind_addrs(pid)), set(expected)) self.stop_nodes() def run_allowip_test(self, allow_ips, rpchost, rpcport): ''' Start a node with rpcallow IP, and request getnetworkinfo at a non-localhost IP. ''' self.log.info("Allow IP test for %s:%d" % (rpchost, rpcport)) base_args = ['-disablewallet', '-nolisten'] + ['-rpcallowip='+x for x in allow_ips] self.nodes[0].rpchost = None self.start_nodes([base_args]) # connect to node through non-loopback interface node = get_rpc_proxy(rpc_url(get_datadir_path(self.options.tmpdir, 0), 0, "%s:%d" % (rpchost, rpcport)), 0, coveragedir=self.options.coveragedir) node.getnetworkinfo() self.stop_nodes() def run_test(self): # due to OS-specific network stats queries, this test works only on Linux if not sys.platform.startswith('linux'): raise SkipTest("This test can only be run on linux.") # find the first non-loopback interface for testing non_loopback_ip = None for name,ip in all_interfaces(): if ip != '127.0.0.1': non_loopback_ip = ip break if non_loopback_ip is None: raise SkipTest("This test requires at least one non-loopback IPv4 interface.") try: s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) s.connect(("::1",1)) s.close except OSError: raise SkipTest("This test requires IPv6 support.") self.log.info("Using interface %s for testing" % non_loopback_ip) defaultport = rpc_port(0) # check default without rpcallowip (IPv4 and IPv6 localhost) self.run_bind_test(None, '127.0.0.1', [], [('127.0.0.1', defaultport), ('::1', defaultport)]) # check default with rpcallowip (IPv6 any) self.run_bind_test(['127.0.0.1'], '127.0.0.1', [], [('::0', defaultport)]) # check only IPv4 localhost (explicit) self.run_bind_test(['127.0.0.1'], '127.0.0.1', ['127.0.0.1'], [('127.0.0.1', defaultport)]) # check only IPv4 localhost (explicit) with alternative port self.run_bind_test(['127.0.0.1'], '127.0.0.1:32171', ['127.0.0.1:32171'], [('127.0.0.1', 32171)]) # check only IPv4 localhost (explicit) with multiple alternative ports on same host self.run_bind_test(['127.0.0.1'], '127.0.0.1:32171', ['127.0.0.1:32171', '127.0.0.1:32172'], [('127.0.0.1', 32171), ('127.0.0.1', 32172)]) # check only IPv6 localhost (explicit) self.run_bind_test(['[::1]'], '[::1]', ['[::1]'], [('::1', defaultport)]) # check both IPv4 and IPv6 localhost (explicit) self.run_bind_test(['127.0.0.1'], '127.0.0.1', ['127.0.0.1', '[::1]'], [('127.0.0.1', defaultport), ('::1', defaultport)]) # check only non-loopback interface self.run_bind_test([non_loopback_ip], non_loopback_ip, [non_loopback_ip], [(non_loopback_ip, defaultport)]) # Check that with invalid rpcallowip, we are denied self.run_allowip_test([non_loopback_ip], non_loopback_ip, defaultport) assert_raises_rpc_error(-342, "non-JSON HTTP response with '403 Forbidden' from server", self.run_allowip_test, ['1.1.1.1'], non_loopback_ip, defaultport) if __name__ == '__main__': RPCBindTest().main()