diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp index cc04555e4..03cdd9cda 100644 --- a/src/rpc/client.cpp +++ b/src/rpc/client.cpp @@ -158,6 +158,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "getspecialtxes", 2, "count" }, { "getspecialtxes", 3, "skip" }, { "getspecialtxes", 4, "verbosity" }, + { "disconnectnode", 1, "nodeid" }, // Echo with conversion (For testing only) { "echojson", 0, "arg0" }, { "echojson", 1, "arg1" }, diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp index 1828a8a96..458771fd4 100644 --- a/src/rpc/net.cpp +++ b/src/rpc/net.cpp @@ -235,23 +235,43 @@ UniValue addnode(const JSONRPCRequest& request) UniValue disconnectnode(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() != 1) + if (request.fHelp || request.params.size() == 0 || request.params.size() >= 3) throw std::runtime_error( - "disconnectnode \"address\" \n" - "\nImmediately disconnects from the specified node.\n" + "disconnectnode \"[address]\" [nodeid]\n" + "\nImmediately disconnects from the specified peer node.\n" + "\nStrictly one out of 'address' and 'nodeid' can be provided to identify the node.\n" + "\nTo disconnect by nodeid, either set 'address' to the empty string, or call using the named 'nodeid' argument only.\n" "\nArguments:\n" - "1. \"address\" (string, required) The IP address/port of the node\n" + "1. \"address\" (string, optional) The IP address/port of the node\n" + "2. \"nodeid\" (number, optional) The node ID (see getpeerinfo for node IDs)\n" "\nExamples:\n" + HelpExampleCli("disconnectnode", "\"192.168.0.6:9999\"") + + HelpExampleCli("disconnectnode", "\"\" 1") + HelpExampleRpc("disconnectnode", "\"192.168.0.6:9999\"") + + HelpExampleRpc("disconnectnode", "\"\", 1") ); if(!g_connman) throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled"); - bool ret = g_connman->DisconnectNode(request.params[0].get_str()); - if (!ret) + bool success; + const UniValue &address_arg = request.params[0]; + const UniValue &id_arg = request.params.size() < 2 ? NullUniValue : request.params[1]; + + if (!address_arg.isNull() && id_arg.isNull()) { + /* handle disconnect-by-address */ + success = g_connman->DisconnectNode(address_arg.get_str()); + } else if (!id_arg.isNull() && (address_arg.isNull() || (address_arg.isStr() && address_arg.get_str().empty()))) { + /* handle disconnect-by-id */ + NodeId nodeid = (NodeId) id_arg.get_int64(); + success = g_connman->DisconnectNode(nodeid); + } else { + throw JSONRPCError(RPC_INVALID_PARAMS, "Only one of address and nodeid should be provided."); + } + + if (!success) { throw JSONRPCError(RPC_CLIENT_NODE_NOT_CONNECTED, "Node not found in connected nodes"); + } return NullUniValue; } @@ -608,7 +628,7 @@ static const CRPCCommand commands[] = { "network", "ping", &ping, true, {} }, { "network", "getpeerinfo", &getpeerinfo, true, {} }, { "network", "addnode", &addnode, true, {"node","command"} }, - { "network", "disconnectnode", &disconnectnode, true, {"address"} }, + { "network", "disconnectnode", &disconnectnode, true, {"address", "nodeid"} }, { "network", "getaddednodeinfo", &getaddednodeinfo, true, {"node"} }, { "network", "getnettotals", &getnettotals, true, {} }, { "network", "getnetworkinfo", &getnetworkinfo, true, {} }, diff --git a/test/functional/disconnect_ban.py b/test/functional/disconnect_ban.py new file mode 100755 index 000000000..3f451d49d --- /dev/null +++ b/test/functional/disconnect_ban.py @@ -0,0 +1,109 @@ +#!/usr/bin/env python3 +# Copyright (c) 2014-2016 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 node disconnect and ban behavior""" + +from test_framework.mininode import wait_until +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import (assert_equal, + assert_raises_jsonrpc, + connect_nodes_bi, + start_node, + stop_node, + ) + +class DisconnectBanTest(BitcoinTestFramework): + + def __init__(self): + super().__init__() + self.num_nodes = 2 + self.setup_clean_chain = False + + def setup_network(self): + self.nodes = self.setup_nodes() + connect_nodes_bi(self.nodes, 0, 1) + + def run_test(self): + self.log.info("Test setban and listbanned RPCs") + + self.log.info("setban: successfully ban single IP address") + assert_equal(len(self.nodes[1].getpeerinfo()), 2) # node1 should have 2 connections to node0 at this point + self.nodes[1].setban("127.0.0.1", "add") + wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0) + assert_equal(len(self.nodes[1].getpeerinfo()), 0) # all nodes must be disconnected at this point + assert_equal(len(self.nodes[1].listbanned()), 1) + + self.log.info("clearbanned: successfully clear ban list") + self.nodes[1].clearbanned() + assert_equal(len(self.nodes[1].listbanned()), 0) + self.nodes[1].setban("127.0.0.0/24", "add") + + self.log.info("setban: fail to ban an already banned subnet") + assert_equal(len(self.nodes[1].listbanned()), 1) + assert_raises_jsonrpc(-23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add") + + self.log.info("setban: fail to ban an invalid subnet") + assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add") + assert_equal(len(self.nodes[1].listbanned()), 1) # still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24 + + self.log.info("setban remove: fail to unban a non-banned subnet") + assert_raises_jsonrpc(-30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove") + assert_equal(len(self.nodes[1].listbanned()), 1) + + self.log.info("setban remove: successfully unban subnet") + self.nodes[1].setban("127.0.0.0/24", "remove") + assert_equal(len(self.nodes[1].listbanned()), 0) + self.nodes[1].clearbanned() + assert_equal(len(self.nodes[1].listbanned()), 0) + + self.log.info("setban: test persistence across node restart") + self.nodes[1].setban("127.0.0.0/32", "add") + self.nodes[1].setban("127.0.0.0/24", "add") + self.nodes[1].setban("192.168.0.1", "add", 1) # ban for 1 seconds + self.nodes[1].setban("2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000) # ban for 1000 seconds + listBeforeShutdown = self.nodes[1].listbanned() + assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address']) + wait_until(lambda: len(self.nodes[1].listbanned()) == 3) + + stop_node(self.nodes[1], 1) + + self.nodes[1] = start_node(1, self.options.tmpdir) + listAfterShutdown = self.nodes[1].listbanned() + assert_equal("127.0.0.0/24", listAfterShutdown[0]['address']) + assert_equal("127.0.0.0/32", listAfterShutdown[1]['address']) + assert_equal("/19" in listAfterShutdown[2]['address'], True) + + # Clear ban lists + self.nodes[1].clearbanned() + connect_nodes_bi(self.nodes, 0, 1) + + self.log.info("Test disconnectrnode RPCs") + + self.log.info("disconnectnode: fail to disconnect when calling with address and nodeid") + address1 = self.nodes[0].getpeerinfo()[0]['addr'] + node1 = self.nodes[0].getpeerinfo()[0]['addr'] + assert_raises_jsonrpc(-32602, "Only one of address and nodeid should be provided.", self.nodes[0].disconnectnode, address=address1, nodeid=node1) + + self.log.info("disconnectnode: fail to disconnect when calling with junk address") + assert_raises_jsonrpc(-29, "Node not found in connected nodes", self.nodes[0].disconnectnode, address="221B Baker Street") + + self.log.info("disconnectnode: successfully disconnect node by address") + address1 = self.nodes[0].getpeerinfo()[0]['addr'] + self.nodes[0].disconnectnode(address=address1) + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1) + assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1] + + self.log.info("disconnectnode: successfully reconnect node") + connect_nodes_bi(self.nodes, 0, 1) # reconnect the node + assert_equal(len(self.nodes[0].getpeerinfo()), 2) + assert [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1] + + self.log.info("disconnectnode: successfully disconnect node by node id") + id1 = self.nodes[0].getpeerinfo()[0]['id'] + self.nodes[0].disconnectnode(nodeid=id1) + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1) + assert not [node for node in self.nodes[0].getpeerinfo() if node['id'] == id1] + +if __name__ == '__main__': + DisconnectBanTest().main() diff --git a/test/functional/nodehandling.py b/test/functional/nodehandling.py index f6776b336..e69de29bb 100755 --- a/test/functional/nodehandling.py +++ b/test/functional/nodehandling.py @@ -1,81 +0,0 @@ -#!/usr/bin/env python3 -# Copyright (c) 2014-2016 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 node handling.""" - -from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import * - -import urllib.parse - -class NodeHandlingTest (BitcoinTestFramework): - - def __init__(self): - super().__init__() - self.num_nodes = 4 - self.setup_clean_chain = False - - def run_test(self): - ########################### - # setban/listbanned tests # - ########################### - assert_equal(len(self.nodes[2].getpeerinfo()), 4) #we should have 4 nodes at this point - self.nodes[2].setban("127.0.0.1", "add") - time.sleep(3) #wait till the nodes are disconected - assert_equal(len(self.nodes[2].getpeerinfo()), 0) #all nodes must be disconnected at this point - assert_equal(len(self.nodes[2].listbanned()), 1) - self.nodes[2].clearbanned() - assert_equal(len(self.nodes[2].listbanned()), 0) - self.nodes[2].setban("127.0.0.0/24", "add") - assert_equal(len(self.nodes[2].listbanned()), 1) - # This will throw an exception because 127.0.0.1 is within range 127.0.0.0/24 - assert_raises_jsonrpc(-23, "IP/Subnet already banned", self.nodes[2].setban, "127.0.0.1", "add") - # This will throw an exception because 127.0.0.1/42 is not a real subnet - assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet", self.nodes[2].setban, "127.0.0.1/42", "add") - assert_equal(len(self.nodes[2].listbanned()), 1) #still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24 - # This will throw an exception because 127.0.0.1 was not added above - assert_raises_jsonrpc(-30, "Error: Unban failed", self.nodes[2].setban, "127.0.0.1", "remove") - assert_equal(len(self.nodes[2].listbanned()), 1) - self.nodes[2].setban("127.0.0.0/24", "remove") - assert_equal(len(self.nodes[2].listbanned()), 0) - self.nodes[2].clearbanned() - assert_equal(len(self.nodes[2].listbanned()), 0) - - ##test persisted banlist - self.nodes[2].setban("127.0.0.0/32", "add") - self.nodes[2].setban("127.0.0.0/24", "add") - self.nodes[2].setban("192.168.0.1", "add", 1) #ban for 1 seconds - self.nodes[2].setban("2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000) #ban for 1000 seconds - listBeforeShutdown = self.nodes[2].listbanned() - assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address']) #must be here - set_mocktime(get_mocktime() + 2) #make 100% sure we expired 192.168.0.1 node time - set_node_times(self.nodes, get_mocktime()) #make 100% sure we expired 192.168.0.1 node time - - #stop node - stop_node(self.nodes[2], 2) - - self.nodes[2] = start_node(2, self.options.tmpdir) - listAfterShutdown = self.nodes[2].listbanned() - assert_equal("127.0.0.0/24", listAfterShutdown[0]['address']) - assert_equal("127.0.0.0/32", listAfterShutdown[1]['address']) - assert_equal("/19" in listAfterShutdown[2]['address'], True) - - ########################### - # RPC disconnectnode test # - ########################### - url = urllib.parse.urlparse(self.nodes[1].url) - self.nodes[0].disconnectnode(url.hostname+":"+str(p2p_port(1))) - time.sleep(2) #disconnecting a node needs a little bit of time - for node in self.nodes[0].getpeerinfo(): - assert(node['addr'] != url.hostname+":"+str(p2p_port(1))) - - connect_nodes_bi(self.nodes,0,1) #reconnect the node - found = False - for node in self.nodes[0].getpeerinfo(): - if node['addr'] == url.hostname+":"+str(p2p_port(1)): - found = True - assert(found) - -if __name__ == '__main__': - NodeHandlingTest ().main () diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py index 9a0ddfc5d..13eb97bcd 100755 --- a/test/functional/test_runner.py +++ b/test/functional/test_runner.py @@ -75,7 +75,7 @@ BASE_SCRIPTS= [ 'multi_rpc.py', 'proxy_test.py', 'signrawtransactions.py', - 'nodehandling.py', + 'disconnect_ban.py', 'addressindex.py', 'timestampindex.py', 'spentindex.py',