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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Copyright (c) 2023-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chainparams.h>
#include <compat/compat.h>
#include <net.h>
#include <net_processing.h>
#include <netaddress.h>
#include <netbase.h>
#include <netgroup.h>
#include <node/connection_types.h>
#include <node/protocol_version.h>
#include <protocol.h>
#include <random.h>
#include <test/util/logging.h>
#include <test/util/net.h>
#include <test/util/random.h>
#include <test/util/setup_common.h>
#include <tinyformat.h>
#include <util/chaintype.h>
#include <algorithm>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include <boost/test/unit_test.hpp>
struct LogIPsTestingSetup : public TestingSetup {
LogIPsTestingSetup()
: TestingSetup{ChainType::MAIN, /*extra_args=*/{"-logips"}} {}
};
BOOST_FIXTURE_TEST_SUITE(net_peer_connection_tests, LogIPsTestingSetup)
static CService ip(uint32_t i)
{
struct in_addr s;
s.s_addr = i;
return CService{CNetAddr{s}, Params().GetDefaultPort()};
}
/** Create a peer and connect to it. If the optional `address` (IP/CJDNS only) isn't passed, a random address is created. */
static void AddPeer(NodeId& id, std::vector<CNode*>& nodes, PeerManager& peerman, ConnmanTestMsg& connman, ConnectionType conn_type, bool onion_peer = false, std::optional<std::string> address = std::nullopt)
{
CAddress addr{};
if (address.has_value()) {
addr = CAddress{MaybeFlipIPv6toCJDNS(LookupNumeric(address.value(), Params().GetDefaultPort())), NODE_NONE};
} else if (onion_peer) {
auto tor_addr{g_insecure_rand_ctx.randbytes(ADDR_TORV3_SIZE)};
BOOST_REQUIRE(addr.SetSpecial(OnionToString(tor_addr)));
}
while (!addr.IsLocal() && !addr.IsRoutable()) {
addr = CAddress{ip(g_insecure_rand_ctx.randbits(32)), NODE_NONE};
}
BOOST_REQUIRE(addr.IsValid());
const bool inbound_onion{onion_peer && conn_type == ConnectionType::INBOUND};
nodes.emplace_back(new CNode{++id,
/*sock=*/nullptr,
addr,
/*nKeyedNetGroupIn=*/0,
/*nLocalHostNonceIn=*/0,
CAddress{},
/*addrNameIn=*/"",
conn_type,
/*inbound_onion=*/inbound_onion});
CNode& node = *nodes.back();
node.SetCommonVersion(PROTOCOL_VERSION);
peerman.InitializeNode(node, ServiceFlags(NODE_NETWORK | NODE_WITNESS));
node.fSuccessfullyConnected = true;
connman.AddTestNode(node);
}
BOOST_AUTO_TEST_CASE(test_addnode_getaddednodeinfo_and_connection_detection)
{
auto connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman, Params());
auto peerman = PeerManager::make(*connman, *m_node.addrman, nullptr, *m_node.chainman, *m_node.mempool, {});
NodeId id{0};
std::vector<CNode*> nodes;
// Connect a localhost peer.
{
ASSERT_DEBUG_LOG("Added connection to 127.0.0.1:8333 peer=1");
AddPeer(id, nodes, *peerman, *connman, ConnectionType::MANUAL, /*onion_peer=*/false, /*address=*/"127.0.0.1");
BOOST_REQUIRE(nodes.back() != nullptr);
}
// Call ConnectNode(), which is also called by RPC addnode onetry, for a localhost
// address that resolves to multiple IPs, including that of the connected peer.
// The connection attempt should consistently fail due to the check in ConnectNode().
for (int i = 0; i < 10; ++i) {
ASSERT_DEBUG_LOG("Not opening a connection to localhost, already connected to 127.0.0.1:8333");
BOOST_CHECK(!connman->ConnectNodePublic(*peerman, "localhost", ConnectionType::MANUAL));
}
// Add 3 more peer connections.
AddPeer(id, nodes, *peerman, *connman, ConnectionType::OUTBOUND_FULL_RELAY);
AddPeer(id, nodes, *peerman, *connman, ConnectionType::BLOCK_RELAY, /*onion_peer=*/true);
AddPeer(id, nodes, *peerman, *connman, ConnectionType::INBOUND);
// Add a CJDNS peer connection.
AddPeer(id, nodes, *peerman, *connman, ConnectionType::INBOUND, /*onion_peer=*/false,
/*address=*/"[fc00:3344:5566:7788:9900:aabb:ccdd:eeff]:1234");
BOOST_CHECK(nodes.back()->IsInboundConn());
BOOST_CHECK_EQUAL(nodes.back()->ConnectedThroughNetwork(), Network::NET_CJDNS);
BOOST_TEST_MESSAGE("Call AddNode() for all the peers");
for (auto node : connman->TestNodes()) {
BOOST_CHECK(connman->AddNode({/*m_added_node=*/node->addr.ToStringAddrPort(), /*m_use_v2transport=*/true}));
BOOST_TEST_MESSAGE(strprintf("peer id=%s addr=%s", node->GetId(), node->addr.ToStringAddrPort()));
}
BOOST_TEST_MESSAGE("\nCall AddNode() with 2 addrs resolving to existing localhost addnode entry; neither should be added");
BOOST_CHECK(!connman->AddNode({/*m_added_node=*/"127.0.0.1", /*m_use_v2transport=*/true}));
// OpenBSD doesn't support the IPv4 shorthand notation with omitted zero-bytes.
#if !defined(__OpenBSD__)
BOOST_CHECK(!connman->AddNode({/*m_added_node=*/"127.1", /*m_use_v2transport=*/true}));
#endif
BOOST_TEST_MESSAGE("\nExpect GetAddedNodeInfo to return expected number of peers with `include_connected` true/false");
BOOST_CHECK_EQUAL(connman->GetAddedNodeInfo(/*include_connected=*/true).size(), nodes.size());
BOOST_CHECK(connman->GetAddedNodeInfo(/*include_connected=*/false).empty());
// Test AddedNodesContain()
for (auto node : connman->TestNodes()) {
BOOST_CHECK(connman->AddedNodesContain(node->addr));
}
AddPeer(id, nodes, *peerman, *connman, ConnectionType::OUTBOUND_FULL_RELAY);
BOOST_CHECK(!connman->AddedNodesContain(nodes.back()->addr));
BOOST_TEST_MESSAGE("\nPrint GetAddedNodeInfo contents:");
for (const auto& info : connman->GetAddedNodeInfo(/*include_connected=*/true)) {
BOOST_TEST_MESSAGE(strprintf("\nadded node: %s", info.m_params.m_added_node));
BOOST_TEST_MESSAGE(strprintf("connected: %s", info.fConnected));
if (info.fConnected) {
BOOST_TEST_MESSAGE(strprintf("IP address: %s", info.resolvedAddress.ToStringAddrPort()));
BOOST_TEST_MESSAGE(strprintf("direction: %s", info.fInbound ? "inbound" : "outbound"));
}
}
BOOST_TEST_MESSAGE("\nCheck that all connected peers are correctly detected as connected");
for (auto node : connman->TestNodes()) {
BOOST_CHECK(connman->AlreadyConnectedPublic(node->addr));
}
// Clean up
for (auto node : connman->TestNodes()) {
peerman->FinalizeNode(*node);
}
connman->ClearTestNodes();
}
BOOST_AUTO_TEST_SUITE_END()
|
