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| 1 | +#!/usr/bin/env python3 |
| 2 | +# Copyright (c) 2014-2016 The Bitcoin Core developers |
| 3 | +# Distributed under the MIT software license, see the accompanying |
| 4 | +# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
| 5 | +"""Test node disconnect and ban behavior""" |
| 6 | + |
| 7 | +from test_framework.mininode import wait_until |
| 8 | +from test_framework.test_framework import BitcoinTestFramework |
| 9 | +from test_framework.util import (assert_equal, |
| 10 | + assert_raises_jsonrpc, |
| 11 | + connect_nodes_bi, |
| 12 | + start_node, |
| 13 | + stop_node, |
| 14 | + ) |
| 15 | + |
| 16 | +class DisconnectBanTest(BitcoinTestFramework): |
| 17 | + |
| 18 | + def __init__(self): |
| 19 | + super().__init__() |
| 20 | + self.num_nodes = 2 |
| 21 | + self.setup_clean_chain = False |
| 22 | + |
| 23 | + def setup_network(self): |
| 24 | + self.nodes = self.setup_nodes() |
| 25 | + connect_nodes_bi(self.nodes, 0, 1) |
| 26 | + |
| 27 | + def run_test(self): |
| 28 | + self.log.info("Test setban and listbanned RPCs") |
| 29 | + |
| 30 | + self.log.info("setban: successfully ban single IP address") |
| 31 | + assert_equal(len(self.nodes[1].getpeerinfo()), 2) # node1 should have 2 connections to node0 at this point |
| 32 | + self.nodes[1].setban("127.0.0.1", "add") |
| 33 | + wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0) |
| 34 | + assert_equal(len(self.nodes[1].getpeerinfo()), 0) # all nodes must be disconnected at this point |
| 35 | + assert_equal(len(self.nodes[1].listbanned()), 1) |
| 36 | + |
| 37 | + self.log.info("clearbanned: successfully clear ban list") |
| 38 | + self.nodes[1].clearbanned() |
| 39 | + assert_equal(len(self.nodes[1].listbanned()), 0) |
| 40 | + self.nodes[1].setban("127.0.0.0/24", "add") |
| 41 | + |
| 42 | + self.log.info("setban: fail to ban an already banned subnet") |
| 43 | + assert_equal(len(self.nodes[1].listbanned()), 1) |
| 44 | + assert_raises_jsonrpc(-23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add") |
| 45 | + |
| 46 | + self.log.info("setban: fail to ban an invalid subnet") |
| 47 | + assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add") |
| 48 | + 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 |
| 49 | + |
| 50 | + self.log.info("setban remove: fail to unban a non-banned subnet") |
| 51 | + assert_raises_jsonrpc(-30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove") |
| 52 | + assert_equal(len(self.nodes[1].listbanned()), 1) |
| 53 | + |
| 54 | + self.log.info("setban remove: successfully unban subnet") |
| 55 | + self.nodes[1].setban("127.0.0.0/24", "remove") |
| 56 | + assert_equal(len(self.nodes[1].listbanned()), 0) |
| 57 | + self.nodes[1].clearbanned() |
| 58 | + assert_equal(len(self.nodes[1].listbanned()), 0) |
| 59 | + |
| 60 | + self.log.info("setban: test persistence across node restart") |
| 61 | + self.nodes[1].setban("127.0.0.0/32", "add") |
| 62 | + self.nodes[1].setban("127.0.0.0/24", "add") |
| 63 | + self.nodes[1].setban("192.168.0.1", "add", 1) # ban for 1 seconds |
| 64 | + self.nodes[1].setban("2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000) # ban for 1000 seconds |
| 65 | + listBeforeShutdown = self.nodes[1].listbanned() |
| 66 | + assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address']) |
| 67 | + wait_until(lambda: len(self.nodes[1].listbanned()) == 3) |
| 68 | + |
| 69 | + stop_node(self.nodes[1], 1) |
| 70 | + |
| 71 | + self.nodes[1] = start_node(1, self.options.tmpdir) |
| 72 | + listAfterShutdown = self.nodes[1].listbanned() |
| 73 | + assert_equal("127.0.0.0/24", listAfterShutdown[0]['address']) |
| 74 | + assert_equal("127.0.0.0/32", listAfterShutdown[1]['address']) |
| 75 | + assert_equal("/19" in listAfterShutdown[2]['address'], True) |
| 76 | + |
| 77 | + # Clear ban lists |
| 78 | + self.nodes[1].clearbanned() |
| 79 | + connect_nodes_bi(self.nodes, 0, 1) |
| 80 | + |
| 81 | + self.log.info("Test disconnectrnode RPCs") |
| 82 | + |
| 83 | + self.log.info("disconnectnode: fail to disconnect when calling with address and nodeid") |
| 84 | + address1 = self.nodes[0].getpeerinfo()[0]['addr'] |
| 85 | + node1 = self.nodes[0].getpeerinfo()[0]['addr'] |
| 86 | + assert_raises_jsonrpc(-32602, "Only one of address and nodeid should be provided.", self.nodes[0].disconnectnode, address=address1, nodeid=node1) |
| 87 | + |
| 88 | + self.log.info("disconnectnode: fail to disconnect when calling with junk address") |
| 89 | + assert_raises_jsonrpc(-29, "Node not found in connected nodes", self.nodes[0].disconnectnode, address="221B Baker Street") |
| 90 | + |
| 91 | + self.log.info("disconnectnode: successfully disconnect node by address") |
| 92 | + address1 = self.nodes[0].getpeerinfo()[0]['addr'] |
| 93 | + self.nodes[0].disconnectnode(address=address1) |
| 94 | + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1) |
| 95 | + assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1] |
| 96 | + |
| 97 | + self.log.info("disconnectnode: successfully reconnect node") |
| 98 | + connect_nodes_bi(self.nodes, 0, 1) # reconnect the node |
| 99 | + assert_equal(len(self.nodes[0].getpeerinfo()), 2) |
| 100 | + assert [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1] |
| 101 | + |
| 102 | + self.log.info("disconnectnode: successfully disconnect node by node id") |
| 103 | + id1 = self.nodes[0].getpeerinfo()[0]['id'] |
| 104 | + self.nodes[0].disconnectnode(nodeid=id1) |
| 105 | + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1) |
| 106 | + assert not [node for node in self.nodes[0].getpeerinfo() if node['id'] == id1] |
| 107 | + |
| 108 | +if __name__ == '__main__': |
| 109 | + DisconnectBanTest().main() |
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