forked from bitcoin/bitcoin
-
Notifications
You must be signed in to change notification settings - Fork 0
/
p2p_disconnect_ban.py
executable file
·134 lines (109 loc) · 6.63 KB
/
p2p_disconnect_ban.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
#!/usr/bin/env python3
# Copyright (c) 2014-2022 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"""
import time
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
class DisconnectBanTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.supports_cli = False
def run_test(self):
self.log.info("Connect nodes both way")
# By default, the test framework sets up an addnode connection from
# node 1 --> node0. By connecting node0 --> node 1, we're left with
# the two nodes being connected both ways.
# Topology will look like: node0 <--> node1
self.connect_nodes(0, 1)
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(subnet="127.0.0.1", command="add")
self.wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0, timeout=10)
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_rpc_error(-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_rpc_error(-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: fail to ban with past absolute timestamp")
assert_raises_rpc_error(-8, "Error: Absolute timestamp is in the past", self.nodes[1].setban, "127.27.0.1", "add", 123, True)
self.log.info("setban remove: fail to unban a non-banned subnet")
assert_raises_rpc_error(-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")
# Set the mocktime so we can control when bans expire
old_time = int(time.time())
self.nodes[1].setmocktime(old_time)
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'])
self.log.info("setban: test banning with absolute timestamp")
self.nodes[1].setban("192.168.0.2", "add", old_time + 120, True)
# Move time forward by 3 seconds so the third ban has expired
self.nodes[1].setmocktime(old_time + 3)
assert_equal(len(self.nodes[1].listbanned()), 4)
self.log.info("Test ban_duration and time_remaining")
for ban in self.nodes[1].listbanned():
if ban["address"] in ["127.0.0.0/32", "127.0.0.0/24"]:
assert_equal(ban["ban_duration"], 86400)
assert_equal(ban["time_remaining"], 86397)
elif ban["address"] == "2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19":
assert_equal(ban["ban_duration"], 1000)
assert_equal(ban["time_remaining"], 997)
elif ban["address"] == "192.168.0.2/32":
assert_equal(ban["ban_duration"], 120)
assert_equal(ban["time_remaining"], 117)
self.restart_node(1)
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("192.168.0.2/32", listAfterShutdown[2]['address'])
assert_equal("/19" in listAfterShutdown[3]['address'], True)
# Clear ban lists
self.nodes[1].clearbanned()
self.log.info("Connect nodes both way")
self.connect_nodes(0, 1)
self.connect_nodes(1, 0)
self.log.info("Test disconnectnode 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]["id"]
assert_raises_rpc_error(-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_rpc_error(-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)
self.wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 1, timeout=10)
assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1]
self.log.info("disconnectnode: successfully reconnect node")
self.connect_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)
self.wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 1, timeout=10)
assert not [node for node in self.nodes[0].getpeerinfo() if node['id'] == id1]
if __name__ == '__main__':
DisconnectBanTest().main()