Branch data Line data Source code
1 : : // Copyright (c) 2012-present The Bitcoin Core developers
2 : : // Distributed under the MIT software license, see the accompanying
3 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 : :
5 : : #include <chainparams.h>
6 : : #include <clientversion.h>
7 : : #include <common/args.h>
8 : : #include <compat/compat.h>
9 : : #include <net.h>
10 : : #include <net_processing.h>
11 : : #include <netaddress.h>
12 : : #include <netbase.h>
13 : : #include <netmessagemaker.h>
14 : : #include <node/protocol_version.h>
15 : : #include <serialize.h>
16 : : #include <span.h>
17 : : #include <streams.h>
18 : : #include <test/util/net.h>
19 : : #include <test/util/random.h>
20 : : #include <test/util/setup_common.h>
21 : : #include <test/util/validation.h>
22 : : #include <util/strencodings.h>
23 : : #include <util/string.h>
24 : : #include <validation.h>
25 : :
26 : : #include <boost/test/unit_test.hpp>
27 : :
28 : : #include <algorithm>
29 : : #include <cstdint>
30 : : #include <ios>
31 : : #include <memory>
32 : : #include <optional>
33 : : #include <string>
34 : :
35 : : using namespace std::literals;
36 : : using namespace util::hex_literals;
37 : : using util::ToString;
38 : :
39 : : BOOST_FIXTURE_TEST_SUITE(net_tests, RegTestingSetup)
40 : :
41 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnode_listen_port)
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42 : : {
43 : : // test default
44 : 1 : uint16_t port{GetListenPort()};
45 [ + - + - ]: 2 : BOOST_CHECK(port == Params().GetDefaultPort());
46 : : // test set port
47 : 1 : uint16_t altPort = 12345;
48 [ + - + - : 2 : BOOST_CHECK(gArgs.SoftSetArg("-port", ToString(altPort)));
+ - + - ]
49 : 1 : port = GetListenPort();
50 [ + - ]: 2 : BOOST_CHECK(port == altPort);
51 : 1 : }
52 : :
53 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnode_simple_test)
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54 : : {
55 : 1 : NodeId id = 0;
56 : :
57 : 1 : in_addr ipv4Addr;
58 : 1 : ipv4Addr.s_addr = 0xa0b0c001;
59 : :
60 : 1 : CAddress addr = CAddress(CService(ipv4Addr, 7777), NODE_NETWORK);
61 [ + - ]: 1 : std::string pszDest;
62 : :
63 : 2 : std::unique_ptr<CNode> pnode1 = std::make_unique<CNode>(id++,
64 : 1 : /*sock=*/nullptr,
65 : : addr,
66 : 1 : /*nKeyedNetGroupIn=*/0,
67 : 1 : /*nLocalHostNonceIn=*/0,
68 : 0 : CAddress(),
69 : : pszDest,
70 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
71 : 1 : /*inbound_onion=*/false,
72 [ + - + - ]: 1 : /*network_key=*/0);
73 [ + - + - : 2 : BOOST_CHECK(pnode1->IsFullOutboundConn() == true);
+ - ]
74 [ + - + - : 2 : BOOST_CHECK(pnode1->IsManualConn() == false);
+ - ]
75 [ + - + - : 2 : BOOST_CHECK(pnode1->IsBlockOnlyConn() == false);
+ - ]
76 [ + - + - : 2 : BOOST_CHECK(pnode1->IsFeelerConn() == false);
+ - ]
77 [ + - + - : 2 : BOOST_CHECK(pnode1->IsAddrFetchConn() == false);
+ - ]
78 [ + - + - : 2 : BOOST_CHECK(pnode1->IsInboundConn() == false);
+ - ]
79 [ + - + - : 2 : BOOST_CHECK(pnode1->m_inbound_onion == false);
+ - ]
80 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode1->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
81 : :
82 : 2 : std::unique_ptr<CNode> pnode2 = std::make_unique<CNode>(id++,
83 : 1 : /*sock=*/nullptr,
84 : : addr,
85 : 1 : /*nKeyedNetGroupIn=*/1,
86 : 1 : /*nLocalHostNonceIn=*/1,
87 : 0 : CAddress(),
88 : : pszDest,
89 : 1 : ConnectionType::INBOUND,
90 : 1 : /*inbound_onion=*/false,
91 [ + - + - ]: 1 : /*network_key=*/1);
92 [ + - + - : 2 : BOOST_CHECK(pnode2->IsFullOutboundConn() == false);
+ - ]
93 [ + - + - : 2 : BOOST_CHECK(pnode2->IsManualConn() == false);
+ - ]
94 [ + - + - : 2 : BOOST_CHECK(pnode2->IsBlockOnlyConn() == false);
+ - ]
95 [ + - + - : 2 : BOOST_CHECK(pnode2->IsFeelerConn() == false);
+ - ]
96 [ + - + - : 2 : BOOST_CHECK(pnode2->IsAddrFetchConn() == false);
+ - ]
97 [ + - + - : 2 : BOOST_CHECK(pnode2->IsInboundConn() == true);
+ - ]
98 [ + - + - : 2 : BOOST_CHECK(pnode2->m_inbound_onion == false);
+ - ]
99 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode2->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
100 : :
101 : 2 : std::unique_ptr<CNode> pnode3 = std::make_unique<CNode>(id++,
102 : 1 : /*sock=*/nullptr,
103 : : addr,
104 : 1 : /*nKeyedNetGroupIn=*/0,
105 : 1 : /*nLocalHostNonceIn=*/0,
106 : 0 : CAddress(),
107 : : pszDest,
108 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
109 : 1 : /*inbound_onion=*/false,
110 [ + - + - ]: 1 : /*network_key=*/2);
111 [ + - + - : 2 : BOOST_CHECK(pnode3->IsFullOutboundConn() == true);
+ - ]
112 [ + - + - : 2 : BOOST_CHECK(pnode3->IsManualConn() == false);
+ - ]
113 [ + - + - : 2 : BOOST_CHECK(pnode3->IsBlockOnlyConn() == false);
+ - ]
114 [ + - + - : 2 : BOOST_CHECK(pnode3->IsFeelerConn() == false);
+ - ]
115 [ + - + - : 2 : BOOST_CHECK(pnode3->IsAddrFetchConn() == false);
+ - ]
116 [ + - + - : 2 : BOOST_CHECK(pnode3->IsInboundConn() == false);
+ - ]
117 [ + - + - : 2 : BOOST_CHECK(pnode3->m_inbound_onion == false);
+ - ]
118 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode3->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
119 : :
120 : 2 : std::unique_ptr<CNode> pnode4 = std::make_unique<CNode>(id++,
121 : 1 : /*sock=*/nullptr,
122 : : addr,
123 : 1 : /*nKeyedNetGroupIn=*/1,
124 : 1 : /*nLocalHostNonceIn=*/1,
125 : 0 : CAddress(),
126 : : pszDest,
127 : 1 : ConnectionType::INBOUND,
128 : 1 : /*inbound_onion=*/true,
129 [ + - + - ]: 1 : /*network_key=*/3);
130 [ + - + - : 2 : BOOST_CHECK(pnode4->IsFullOutboundConn() == false);
+ - ]
131 [ + - + - : 2 : BOOST_CHECK(pnode4->IsManualConn() == false);
+ - ]
132 [ + - + - : 2 : BOOST_CHECK(pnode4->IsBlockOnlyConn() == false);
+ - ]
133 [ + - + - : 2 : BOOST_CHECK(pnode4->IsFeelerConn() == false);
+ - ]
134 [ + - + - : 2 : BOOST_CHECK(pnode4->IsAddrFetchConn() == false);
+ - ]
135 [ + - + - : 2 : BOOST_CHECK(pnode4->IsInboundConn() == true);
+ - ]
136 [ + - + - : 2 : BOOST_CHECK(pnode4->m_inbound_onion == true);
+ - ]
137 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode4->ConnectedThroughNetwork(), Network::NET_ONION);
+ - ]
138 : 1 : }
139 : :
140 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_basic)
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141 : : {
142 : 1 : CNetAddr addr;
143 : :
144 : : // IPv4, INADDR_ANY
145 [ + - + - : 2 : addr = LookupHost("0.0.0.0", false).value();
+ - ]
146 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
147 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
148 : :
149 [ + - + - : 2 : BOOST_CHECK(addr.IsBindAny());
+ - + - ]
150 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
151 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "0.0.0.0");
+ - ]
152 : :
153 : : // IPv4, INADDR_NONE
154 [ + - + - : 2 : addr = LookupHost("255.255.255.255", false).value();
+ - ]
155 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
156 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
157 : :
158 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
159 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
160 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "255.255.255.255");
+ - ]
161 : :
162 : : // IPv4, casual
163 [ + - + - : 2 : addr = LookupHost("12.34.56.78", false).value();
+ - ]
164 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
165 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
166 : :
167 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
168 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
169 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "12.34.56.78");
+ - ]
170 : :
171 : : // IPv6, in6addr_any
172 [ + - + - : 2 : addr = LookupHost("::", false).value();
+ - ]
173 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
174 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
175 : :
176 [ + - + - : 2 : BOOST_CHECK(addr.IsBindAny());
+ - + - ]
177 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
178 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "::");
+ - ]
179 : :
180 : : // IPv6, casual
181 [ + - + - : 2 : addr = LookupHost("1122:3344:5566:7788:9900:aabb:ccdd:eeff", false).value();
+ - ]
182 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
183 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
184 : :
185 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
186 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
187 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "1122:3344:5566:7788:9900:aabb:ccdd:eeff");
+ - ]
188 : :
189 : : // IPv6, scoped/link-local. See https://tools.ietf.org/html/rfc4007
190 : : // We support non-negative decimal integers (uint32_t) as zone id indices.
191 : : // Normal link-local scoped address functionality is to append "%" plus the
192 : : // zone id, for example, given a link-local address of "fe80::1" and a zone
193 : : // id of "32", return the address as "fe80::1%32".
194 [ + - ]: 1 : const std::string link_local{"fe80::1"};
195 [ + - ]: 1 : const std::string scoped_addr{link_local + "%32"};
196 [ + - + - ]: 2 : addr = LookupHost(scoped_addr, false).value();
197 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
198 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
199 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
200 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), scoped_addr);
+ - ]
201 : :
202 : : // TORv2, no longer supported
203 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
+ - + - ]
204 : :
205 : : // TORv3
206 : 1 : const char* torv3_addr = "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion";
207 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial(torv3_addr));
+ - + - ]
208 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
209 [ + - + - : 2 : BOOST_REQUIRE(addr.IsTor());
+ - ]
210 : :
211 [ + - + - : 2 : BOOST_CHECK(!addr.IsI2P());
+ - ]
212 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
213 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
214 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), torv3_addr);
+ - ]
215 : :
216 : : // TORv3, broken, with wrong checksum
217 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscsad.onion"));
+ - + - ]
218 : :
219 : : // TORv3, broken, with wrong version
220 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscrye.onion"));
+ - + - ]
221 : :
222 : : // TORv3, malicious
223 [ + - + - : 3 : BOOST_CHECK(!addr.SetSpecial(std::string{
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224 : : "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd\0wtf.onion", 66}));
225 : :
226 : : // TOR, bogus length
227 [ + - + - : 3 : BOOST_CHECK(!addr.SetSpecial(std::string{"mfrggzak.onion"}));
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228 : :
229 : : // TOR, invalid base32
230 [ + - + - : 3 : BOOST_CHECK(!addr.SetSpecial(std::string{"mf*g zak.onion"}));
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231 : :
232 : : // I2P
233 : 1 : const char* i2p_addr = "UDHDrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.I2P";
234 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial(i2p_addr));
+ - + - ]
235 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
236 [ + - + - : 2 : BOOST_REQUIRE(addr.IsI2P());
+ - ]
237 : :
238 [ + - + - : 2 : BOOST_CHECK(!addr.IsTor());
+ - ]
239 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
240 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
241 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), ToLower(i2p_addr));
+ - + - ]
242 : :
243 : : // I2P, correct length, but decodes to less than the expected number of bytes.
244 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jn=.b32.i2p"));
+ - + - ]
245 : :
246 : : // I2P, extra unnecessary padding
247 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna=.b32.i2p"));
+ - + - ]
248 : :
249 : : // I2P, malicious
250 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v\0wtf.b32.i2p"s));
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- + - ]
251 : :
252 : : // I2P, valid but unsupported (56 Base32 characters)
253 : : // See "Encrypted LS with Base 32 Addresses" in
254 : : // https://geti2p.net/spec/encryptedleaseset.txt
255 [ + - + - : 2 : BOOST_CHECK(
+ - + - ]
256 : : !addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscsad.b32.i2p"));
257 : :
258 : : // I2P, invalid base32
259 [ + - + - : 3 : BOOST_CHECK(!addr.SetSpecial(std::string{"tp*szydbh4dp.b32.i2p"}));
+ - + - +
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260 : :
261 : : // Internal
262 [ + - + - ]: 1 : addr.SetInternal("esffpp");
263 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid()); // "internal" is considered invalid
+ - + - ]
264 [ + - + - : 2 : BOOST_REQUIRE(addr.IsInternal());
+ - + - ]
265 : :
266 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
267 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
268 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "esffpvrt3wpeaygy.internal");
+ - ]
269 : :
270 : : // Totally bogus
271 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("totally bogus"));
+ - ]
272 : 1 : }
273 : :
274 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_tostring_canonical_ipv6)
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275 : : {
276 : : // Test that CNetAddr::ToString formats IPv6 addresses with zero compression as described in
277 : : // RFC 5952 ("A Recommendation for IPv6 Address Text Representation").
278 : 1 : const std::map<std::string, std::string> canonical_representations_ipv6{
279 : : {"0000:0000:0000:0000:0000:0000:0000:0000", "::"},
280 : : {"000:0000:000:00:0:00:000:0000", "::"},
281 : : {"000:000:000:000:000:000:000:000", "::"},
282 : : {"00:00:00:00:00:00:00:00", "::"},
283 : : {"0:0:0:0:0:0:0:0", "::"},
284 : : {"0:0:0:0:0:0:0:1", "::1"},
285 : : {"2001:0:0:1:0:0:0:1", "2001:0:0:1::1"},
286 : : {"2001:0db8:0:0:1:0:0:1", "2001:db8::1:0:0:1"},
287 : : {"2001:0db8:85a3:0000:0000:8a2e:0370:7334", "2001:db8:85a3::8a2e:370:7334"},
288 : : {"2001:0db8::0001", "2001:db8::1"},
289 : : {"2001:0db8::0001:0000", "2001:db8::1:0"},
290 : : {"2001:0db8::1:0:0:1", "2001:db8::1:0:0:1"},
291 : : {"2001:db8:0000:0:1::1", "2001:db8::1:0:0:1"},
292 : : {"2001:db8:0000:1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
293 : : {"2001:db8:0:0:0:0:2:1", "2001:db8::2:1"},
294 : : {"2001:db8:0:0:0::1", "2001:db8::1"},
295 : : {"2001:db8:0:0:1:0:0:1", "2001:db8::1:0:0:1"},
296 : : {"2001:db8:0:0:1::1", "2001:db8::1:0:0:1"},
297 : : {"2001:DB8:0:0:1::1", "2001:db8::1:0:0:1"},
298 : : {"2001:db8:0:0::1", "2001:db8::1"},
299 : : {"2001:db8:0:0:aaaa::1", "2001:db8::aaaa:0:0:1"},
300 : : {"2001:db8:0:1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
301 : : {"2001:db8:0::1", "2001:db8::1"},
302 : : {"2001:db8:85a3:0:0:8a2e:370:7334", "2001:db8:85a3::8a2e:370:7334"},
303 : : {"2001:db8::0:1", "2001:db8::1"},
304 : : {"2001:db8::0:1:0:0:1", "2001:db8::1:0:0:1"},
305 : : {"2001:DB8::1", "2001:db8::1"},
306 : : {"2001:db8::1", "2001:db8::1"},
307 : : {"2001:db8::1:0:0:1", "2001:db8::1:0:0:1"},
308 : : {"2001:db8::1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
309 : : {"2001:db8::aaaa:0:0:1", "2001:db8::aaaa:0:0:1"},
310 : : {"2001:db8:aaaa:bbbb:cccc:dddd:0:1", "2001:db8:aaaa:bbbb:cccc:dddd:0:1"},
311 : : {"2001:db8:aaaa:bbbb:cccc:dddd::1", "2001:db8:aaaa:bbbb:cccc:dddd:0:1"},
312 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:0001", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
313 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:001", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
314 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:01", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
315 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:1", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
316 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
317 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:AAAA", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
318 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:AaAa", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
319 [ - + + + : 41 : };
- - ]
320 [ + - + + ]: 41 : for (const auto& [input_address, expected_canonical_representation_output] : canonical_representations_ipv6) {
321 [ + - + - ]: 40 : const std::optional<CNetAddr> net_addr{LookupHost(input_address, false)};
322 [ + - + - : 80 : BOOST_REQUIRE(net_addr.value().IsIPv6());
+ - + - ]
323 [ + - + - : 40 : BOOST_CHECK_EQUAL(net_addr.value().ToStringAddr(), expected_canonical_representation_output);
+ - + - ]
324 : 40 : }
325 [ + - + - : 2 : }
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326 : :
327 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_serialize_v1)
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328 : : {
329 : 1 : CNetAddr addr;
330 : 1 : DataStream s{};
331 : 1 : const auto ser_params{CAddress::V1_NETWORK};
332 : :
333 [ + - ]: 1 : s << ser_params(addr);
334 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000000000000000");
+ - + - ]
335 [ + - ]: 1 : s.clear();
336 : :
337 [ + - + - : 2 : addr = LookupHost("1.2.3.4", false).value();
+ - ]
338 [ + - ]: 1 : s << ser_params(addr);
339 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000ffff01020304");
+ - + - ]
340 [ + - ]: 1 : s.clear();
341 : :
342 [ + - + - : 2 : addr = LookupHost("1a1b:2a2b:3a3b:4a4b:5a5b:6a6b:7a7b:8a8b", false).value();
+ - ]
343 [ + - ]: 1 : s << ser_params(addr);
344 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "1a1b2a2b3a3b4a4b5a5b6a6b7a7b8a8b");
+ - + - ]
345 [ + - ]: 1 : s.clear();
346 : :
347 : : // TORv2, no longer supported
348 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
+ - + - ]
349 : :
350 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"));
+ - + - ]
351 [ + - ]: 1 : s << ser_params(addr);
352 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000000000000000");
+ - + - ]
353 [ + - ]: 1 : s.clear();
354 : :
355 [ + - + - ]: 1 : addr.SetInternal("a");
356 [ + - ]: 1 : s << ser_params(addr);
357 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "fd6b88c08724ca978112ca1bbdcafac2");
+ - + - ]
358 [ + - ]: 2 : s.clear();
359 : 1 : }
360 : :
361 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_serialize_v2)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
362 : : {
363 : 1 : CNetAddr addr;
364 : 1 : DataStream s{};
365 : 1 : const auto ser_params{CAddress::V2_NETWORK};
366 : :
367 [ + - ]: 1 : s << ser_params(addr);
368 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "021000000000000000000000000000000000");
+ - + - ]
369 [ + - ]: 1 : s.clear();
370 : :
371 [ + - + - : 2 : addr = LookupHost("1.2.3.4", false).value();
+ - ]
372 [ + - ]: 1 : s << ser_params(addr);
373 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "010401020304");
+ - + - ]
374 [ + - ]: 1 : s.clear();
375 : :
376 [ + - + - : 2 : addr = LookupHost("1a1b:2a2b:3a3b:4a4b:5a5b:6a6b:7a7b:8a8b", false).value();
+ - ]
377 [ + - ]: 1 : s << ser_params(addr);
378 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "02101a1b2a2b3a3b4a4b5a5b6a6b7a7b8a8b");
+ - + - ]
379 [ + - ]: 1 : s.clear();
380 : :
381 : : // TORv2, no longer supported
382 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
+ - + - ]
383 : :
384 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial("kpgvmscirrdqpekbqjsvw5teanhatztpp2gl6eee4zkowvwfxwenqaid.onion"));
+ - + - ]
385 [ + - ]: 1 : s << ser_params(addr);
386 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "042053cd5648488c4707914182655b7664034e09e66f7e8cbf1084e654eb56c5bd88");
+ - + - ]
387 [ + - ]: 1 : s.clear();
388 : :
389 [ + - + - : 2 : BOOST_REQUIRE(addr.SetInternal("a"));
+ - + - +
- ]
390 [ + - ]: 1 : s << ser_params(addr);
391 [ + - - + : 1 : BOOST_CHECK_EQUAL(HexStr(s), "0210fd6b88c08724ca978112ca1bbdcafac2");
+ - + - ]
392 [ + - ]: 2 : s.clear();
393 : 1 : }
394 : :
395 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_unserialize_v2)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
396 : : {
397 : 1 : CNetAddr addr;
398 : 1 : DataStream s{};
399 : 1 : const auto ser_params{CAddress::V2_NETWORK};
400 : :
401 : : // Valid IPv4.
402 [ + - ]: 1 : s << "01" // network type (IPv4)
403 : : "04" // address length
404 : 1 : "01020304"_hex; // address
405 [ + - ]: 1 : s >> ser_params(addr);
406 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
407 [ + - + - : 2 : BOOST_CHECK(addr.IsIPv4());
+ - ]
408 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
409 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "1.2.3.4");
+ - ]
410 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
411 : :
412 : : // Invalid IPv4, valid length but address itself is shorter.
413 [ + - ]: 1 : s << "01" // network type (IPv4)
414 : : "04" // address length
415 : 1 : "0102"_hex; // address
416 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure, HasReason("end of data"));
- - - - -
+ + - + -
+ - ]
417 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
418 [ + - ]: 1 : s.clear();
419 : :
420 : : // Invalid IPv4, with bogus length.
421 [ + - ]: 1 : s << "01" // network type (IPv4)
422 : : "05" // address length
423 : 1 : "01020304"_hex; // address
424 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
425 : : HasReason("BIP155 IPv4 address with length 5 (should be 4)"));
426 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
427 [ + - ]: 1 : s.clear();
428 : :
429 : : // Invalid IPv4, with extreme length.
430 [ + - ]: 1 : s << "01" // network type (IPv4)
431 : : "fd0102" // address length (513 as CompactSize)
432 : 1 : "01020304"_hex; // address
433 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
434 : : HasReason("Address too long: 513 > 512"));
435 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
436 [ + - ]: 1 : s.clear();
437 : :
438 : : // Valid IPv6.
439 [ + - ]: 1 : s << "02" // network type (IPv6)
440 : : "10" // address length
441 : 1 : "0102030405060708090a0b0c0d0e0f10"_hex; // address
442 [ + - ]: 1 : s >> ser_params(addr);
443 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
444 [ + - + - : 2 : BOOST_CHECK(addr.IsIPv6());
+ - ]
445 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
446 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "102:304:506:708:90a:b0c:d0e:f10");
+ - ]
447 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
448 : :
449 : : // Valid IPv6, contains embedded "internal".
450 [ + - ]: 1 : s << "02" // network type (IPv6)
451 : : "10" // address length
452 : 1 : "fd6b88c08724ca978112ca1bbdcafac2"_hex; // address: 0xfd + sha256("bitcoin")[0:5] +
453 : : // sha256(name)[0:10]
454 [ + - ]: 1 : s >> ser_params(addr);
455 [ + - + - : 2 : BOOST_CHECK(addr.IsInternal());
+ - + - ]
456 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
457 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "zklycewkdo64v6wc.internal");
+ - ]
458 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
459 : :
460 : : // Invalid IPv6, with bogus length.
461 [ + - ]: 1 : s << "02" // network type (IPv6)
462 : : "04" // address length
463 : 1 : "00"_hex; // address
464 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
465 : : HasReason("BIP155 IPv6 address with length 4 (should be 16)"));
466 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
467 [ + - ]: 1 : s.clear();
468 : :
469 : : // Invalid IPv6, contains embedded IPv4.
470 [ + - ]: 1 : s << "02" // network type (IPv6)
471 : : "10" // address length
472 : 1 : "00000000000000000000ffff01020304"_hex; // address
473 [ + - ]: 1 : s >> ser_params(addr);
474 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
475 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
476 : :
477 : : // Invalid IPv6, contains embedded TORv2.
478 [ + - ]: 1 : s << "02" // network type (IPv6)
479 : : "10" // address length
480 : 1 : "fd87d87eeb430102030405060708090a"_hex; // address
481 [ + - ]: 1 : s >> ser_params(addr);
482 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
483 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
484 : :
485 : : // TORv2, no longer supported.
486 [ + - ]: 1 : s << "03" // network type (TORv2)
487 : : "0a" // address length
488 : 1 : "f1f2f3f4f5f6f7f8f9fa"_hex; // address
489 [ + - ]: 1 : s >> ser_params(addr);
490 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
491 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
492 : :
493 : : // Valid TORv3.
494 [ + - ]: 1 : s << "04" // network type (TORv3)
495 : : "20" // address length
496 : : "79bcc625184b05194975c28b66b66b04" // address
497 : 1 : "69f7f6556fb1ac3189a79b40dda32f1f"_hex;
498 [ + - ]: 1 : s >> ser_params(addr);
499 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
500 [ + - + - : 2 : BOOST_CHECK(addr.IsTor());
+ - ]
501 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
502 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(),
+ - ]
503 : : "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion");
504 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
505 : :
506 : : // Invalid TORv3, with bogus length.
507 [ + - ]: 1 : s << "04" // network type (TORv3)
508 : : "00" // address length
509 : 1 : "00"_hex; // address
510 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
511 : : HasReason("BIP155 TORv3 address with length 0 (should be 32)"));
512 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
513 [ + - ]: 1 : s.clear();
514 : :
515 : : // Valid I2P.
516 [ + - ]: 1 : s << "05" // network type (I2P)
517 : : "20" // address length
518 : : "a2894dabaec08c0051a481a6dac88b64" // address
519 : 1 : "f98232ae42d4b6fd2fa81952dfe36a87"_hex;
520 [ + - ]: 1 : s >> ser_params(addr);
521 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
522 [ + - + - : 2 : BOOST_CHECK(addr.IsI2P());
+ - ]
523 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
524 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(),
+ - ]
525 : : "ukeu3k5oycgaauneqgtnvselmt4yemvoilkln7jpvamvfx7dnkdq.b32.i2p");
526 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
527 : :
528 : : // Invalid I2P, with bogus length.
529 [ + - ]: 1 : s << "05" // network type (I2P)
530 : : "03" // address length
531 : 1 : "00"_hex; // address
532 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
533 : : HasReason("BIP155 I2P address with length 3 (should be 32)"));
534 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
535 [ + - ]: 1 : s.clear();
536 : :
537 : : // Valid CJDNS.
538 [ + - ]: 1 : s << "06" // network type (CJDNS)
539 : : "10" // address length
540 : 1 : "fc000001000200030004000500060007"_hex; // address
541 [ + - ]: 1 : s >> ser_params(addr);
542 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
543 [ + - + - : 2 : BOOST_CHECK(addr.IsCJDNS());
+ - ]
544 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
545 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "fc00:1:2:3:4:5:6:7");
+ - ]
546 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
547 : :
548 : : // Invalid CJDNS, wrong prefix.
549 [ + - ]: 1 : s << "06" // network type (CJDNS)
550 : : "10" // address length
551 : 1 : "aa000001000200030004000500060007"_hex; // address
552 [ + - ]: 1 : s >> ser_params(addr);
553 [ + - + - : 2 : BOOST_CHECK(addr.IsCJDNS());
+ - ]
554 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
555 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
556 : :
557 : : // Invalid CJDNS, with bogus length.
558 [ + - ]: 1 : s << "06" // network type (CJDNS)
559 : : "01" // address length
560 : 1 : "00"_hex; // address
561 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
562 : : HasReason("BIP155 CJDNS address with length 1 (should be 16)"));
563 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
564 [ + - ]: 1 : s.clear();
565 : :
566 : : // Unknown, with extreme length.
567 [ + - ]: 1 : s << "aa" // network type (unknown)
568 : : "fe00000002" // address length (CompactSize's MAX_SIZE)
569 : 1 : "01020304050607"_hex; // address
570 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
571 : : HasReason("Address too long: 33554432 > 512"));
572 [ + - - + : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - + - ]
573 [ + - ]: 1 : s.clear();
574 : :
575 : : // Unknown, with reasonable length.
576 [ + - ]: 1 : s << "aa" // network type (unknown)
577 : : "04" // address length
578 : 1 : "01020304"_hex; // address
579 [ + - ]: 1 : s >> ser_params(addr);
580 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
581 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - + - ]
582 : :
583 : : // Unknown, with zero length.
584 [ + - ]: 1 : s << "aa" // network type (unknown)
585 : : "00" // address length
586 : 1 : ""_hex; // address
587 [ + - ]: 1 : s >> ser_params(addr);
588 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
589 [ + - - + : 2 : BOOST_REQUIRE(s.empty());
+ - ]
590 : 1 : }
591 : :
592 : : // prior to PR #14728, this test triggers an undefined behavior
593 [ + - + - : 12 : BOOST_AUTO_TEST_CASE(ipv4_peer_with_ipv6_addrMe_test)
+ - - + +
- + - + -
+ - + - -
+ + - + -
+ - + - +
- - + + -
+ - + - +
- + - + -
- + + - +
- + - + -
+ - - + +
- ]
594 : : {
595 : : // set up local addresses; all that's necessary to reproduce the bug is
596 : : // that a normal IPv4 address is among the entries, but if this address is
597 : : // !IsRoutable the undefined behavior is easier to trigger deterministically
598 : 1 : in_addr raw_addr;
599 : 1 : raw_addr.s_addr = htonl(0x7f000001);
600 : 1 : const CNetAddr mapLocalHost_entry = CNetAddr(raw_addr);
601 : 1 : {
602 [ + - ]: 1 : LOCK(g_maplocalhost_mutex);
603 : 1 : LocalServiceInfo lsi;
604 : 1 : lsi.nScore = 23;
605 : 1 : lsi.nPort = 42;
606 [ + - + - ]: 1 : mapLocalHost[mapLocalHost_entry] = lsi;
607 : 0 : }
608 : :
609 : : // create a peer with an IPv4 address
610 : 1 : in_addr ipv4AddrPeer;
611 : 1 : ipv4AddrPeer.s_addr = 0xa0b0c001;
612 [ + - ]: 2 : CAddress addr = CAddress(CService(ipv4AddrPeer, 7777), NODE_NETWORK);
613 : 2 : std::unique_ptr<CNode> pnode = std::make_unique<CNode>(/*id=*/0,
614 : 1 : /*sock=*/nullptr,
615 : : addr,
616 : 1 : /*nKeyedNetGroupIn=*/0,
617 : 1 : /*nLocalHostNonceIn=*/0,
618 : 1 : CAddress{},
619 [ + - ]: 1 : /*pszDest=*/std::string{},
620 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
621 : 1 : /*inbound_onion=*/false,
622 [ + - + - ]: 1 : /*network_key=*/0);
623 [ + - ]: 1 : pnode->fSuccessfullyConnected.store(true);
624 : :
625 : : // the peer claims to be reaching us via IPv6
626 : 1 : in6_addr ipv6AddrLocal;
627 [ + - ]: 1 : memset(ipv6AddrLocal.s6_addr, 0, 16);
628 : 1 : ipv6AddrLocal.s6_addr[0] = 0xcc;
629 [ + - ]: 2 : CAddress addrLocal = CAddress(CService(ipv6AddrLocal, 7777), NODE_NETWORK);
630 [ + - ]: 1 : pnode->SetAddrLocal(addrLocal);
631 : :
632 : : // before patch, this causes undefined behavior detectable with clang's -fsanitize=memory
633 [ + - ]: 1 : GetLocalAddrForPeer(*pnode);
634 : :
635 : : // suppress no-checks-run warning; if this test fails, it's by triggering a sanitizer
636 [ + - + - : 2 : BOOST_CHECK(1);
+ - ]
637 : :
638 : : // Cleanup, so that we don't confuse other tests.
639 : 1 : {
640 [ + - ]: 1 : LOCK(g_maplocalhost_mutex);
641 [ + - + - ]: 1 : mapLocalHost.erase(mapLocalHost_entry);
642 : 1 : }
643 : 1 : }
644 : :
645 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(get_local_addr_for_peer_port)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
646 : : {
647 : : // Test that GetLocalAddrForPeer() properly selects the address to self-advertise:
648 : : //
649 : : // 1. GetLocalAddrForPeer() calls GetLocalAddress() which returns an address that is
650 : : // not routable.
651 : : // 2. GetLocalAddrForPeer() overrides the address with whatever the peer has told us
652 : : // he sees us as.
653 : : // 2.1. For inbound connections we must override both the address and the port.
654 : : // 2.2. For outbound connections we must override only the address.
655 : :
656 : : // Pretend that we bound to this port.
657 : 1 : const uint16_t bind_port = 20001;
658 [ + - + - ]: 2 : m_node.args->ForceSetArg("-bind", strprintf("3.4.5.6:%u", bind_port));
659 : :
660 : : // Our address:port as seen from the peer, completely different from the above.
661 : 1 : in_addr peer_us_addr;
662 : 1 : peer_us_addr.s_addr = htonl(0x02030405);
663 : 1 : const CService peer_us{peer_us_addr, 20002};
664 : :
665 : : // Create a peer with a routable IPv4 address (outbound).
666 : 1 : in_addr peer_out_in_addr;
667 : 1 : peer_out_in_addr.s_addr = htonl(0x01020304);
668 : 1 : CNode peer_out{/*id=*/0,
669 : : /*sock=*/nullptr,
670 [ - + ]: 1 : /*addrIn=*/CAddress{CService{peer_out_in_addr, 8333}, NODE_NETWORK},
671 : : /*nKeyedNetGroupIn=*/0,
672 : : /*nLocalHostNonceIn=*/0,
673 [ + - ]: 2 : /*addrBindIn=*/CService{},
674 : 1 : /*addrNameIn=*/std::string{},
675 : : /*conn_type_in=*/ConnectionType::OUTBOUND_FULL_RELAY,
676 : : /*inbound_onion=*/false,
677 [ + - + - ]: 3 : /*network_key=*/0};
678 [ + - ]: 1 : peer_out.fSuccessfullyConnected = true;
679 [ + - ]: 1 : peer_out.SetAddrLocal(peer_us);
680 : :
681 : : // Without the fix peer_us:8333 is chosen instead of the proper peer_us:bind_port.
682 [ + - ]: 1 : auto chosen_local_addr = GetLocalAddrForPeer(peer_out);
683 [ + - + - : 2 : BOOST_REQUIRE(chosen_local_addr);
+ - ]
684 [ + - ]: 1 : const CService expected{peer_us_addr, bind_port};
685 [ + - + - : 2 : BOOST_CHECK(*chosen_local_addr == expected);
+ - + - ]
686 : :
687 : : // Create a peer with a routable IPv4 address (inbound).
688 : 1 : in_addr peer_in_in_addr;
689 : 1 : peer_in_in_addr.s_addr = htonl(0x05060708);
690 : 1 : CNode peer_in{/*id=*/0,
691 : : /*sock=*/nullptr,
692 [ - + ]: 1 : /*addrIn=*/CAddress{CService{peer_in_in_addr, 8333}, NODE_NETWORK},
693 : : /*nKeyedNetGroupIn=*/0,
694 : : /*nLocalHostNonceIn=*/0,
695 [ + - ]: 2 : /*addrBindIn=*/CService{},
696 : 1 : /*addrNameIn=*/std::string{},
697 : : /*conn_type_in=*/ConnectionType::INBOUND,
698 : : /*inbound_onion=*/false,
699 [ + - + - ]: 3 : /*network_key=*/1};
700 [ + - ]: 1 : peer_in.fSuccessfullyConnected = true;
701 [ + - ]: 1 : peer_in.SetAddrLocal(peer_us);
702 : :
703 : : // Without the fix peer_us:8333 is chosen instead of the proper peer_us:peer_us.GetPort().
704 [ + - ]: 2 : chosen_local_addr = GetLocalAddrForPeer(peer_in);
705 [ + - + - : 2 : BOOST_REQUIRE(chosen_local_addr);
+ - ]
706 [ + - + - : 2 : BOOST_CHECK(*chosen_local_addr == peer_us);
+ - + - ]
707 : :
708 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", "");
+ - ]
709 : 1 : }
710 : :
711 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_Network)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
712 : : {
713 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV4));
714 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV6));
715 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_ONION));
716 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_I2P));
717 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_CJDNS));
718 : :
719 : 1 : g_reachable_nets.Remove(NET_IPV4);
720 : 1 : g_reachable_nets.Remove(NET_IPV6);
721 : 1 : g_reachable_nets.Remove(NET_ONION);
722 : 1 : g_reachable_nets.Remove(NET_I2P);
723 : 1 : g_reachable_nets.Remove(NET_CJDNS);
724 : :
725 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_IPV4));
726 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_IPV6));
727 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_ONION));
728 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_I2P));
729 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_CJDNS));
730 : :
731 : 1 : g_reachable_nets.Add(NET_IPV4);
732 : 1 : g_reachable_nets.Add(NET_IPV6);
733 : 1 : g_reachable_nets.Add(NET_ONION);
734 : 1 : g_reachable_nets.Add(NET_I2P);
735 : 1 : g_reachable_nets.Add(NET_CJDNS);
736 : :
737 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV4));
738 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV6));
739 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_ONION));
740 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_I2P));
741 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_CJDNS));
742 : 1 : }
743 : :
744 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_NetworkCaseUnroutableAndInternal)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
745 : : {
746 : : // Should be reachable by default.
747 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_UNROUTABLE));
748 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_INTERNAL));
749 : :
750 : 1 : g_reachable_nets.RemoveAll();
751 : :
752 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_UNROUTABLE));
753 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_INTERNAL));
754 : :
755 : 1 : g_reachable_nets.Add(NET_IPV4);
756 : 1 : g_reachable_nets.Add(NET_IPV6);
757 : 1 : g_reachable_nets.Add(NET_ONION);
758 : 1 : g_reachable_nets.Add(NET_I2P);
759 : 1 : g_reachable_nets.Add(NET_CJDNS);
760 : 1 : g_reachable_nets.Add(NET_UNROUTABLE);
761 : 1 : g_reachable_nets.Add(NET_INTERNAL);
762 : 1 : }
763 : :
764 : 2 : CNetAddr UtilBuildAddress(unsigned char p1, unsigned char p2, unsigned char p3, unsigned char p4)
765 : : {
766 : 2 : unsigned char ip[] = {p1, p2, p3, p4};
767 : :
768 : 2 : struct sockaddr_in sa;
769 : 2 : memset(&sa, 0, sizeof(sockaddr_in)); // initialize the memory block
770 : 2 : memcpy(&(sa.sin_addr), &ip, sizeof(ip));
771 : 2 : return CNetAddr(sa.sin_addr);
772 : : }
773 : :
774 : :
775 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_CNetAddr)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
776 : : {
777 : 1 : CNetAddr addr = UtilBuildAddress(0x001, 0x001, 0x001, 0x001); // 1.1.1.1
778 : :
779 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4);
780 [ + - + - : 2 : BOOST_CHECK(g_reachable_nets.Contains(addr));
+ - + - ]
781 : :
782 [ + - ]: 1 : g_reachable_nets.Remove(NET_IPV4);
783 [ + - + - : 2 : BOOST_CHECK(!g_reachable_nets.Contains(addr));
+ - + - ]
784 : :
785 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4); // have to reset this, because this is stateful.
786 : 1 : }
787 : :
788 : :
789 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LocalAddress_BasicLifecycle)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
790 : : {
791 [ + - ]: 1 : CService addr = CService(UtilBuildAddress(0x002, 0x001, 0x001, 0x001), 1000); // 2.1.1.1:1000
792 : :
793 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4);
794 : :
795 [ + - + - : 2 : BOOST_CHECK(!IsLocal(addr));
+ - + - ]
796 [ + - + - : 2 : BOOST_CHECK(AddLocal(addr, 1000));
+ - + - ]
797 [ + - + - : 2 : BOOST_CHECK(IsLocal(addr));
+ - + - ]
798 : :
799 [ + - ]: 1 : RemoveLocal(addr);
800 [ + - + - : 2 : BOOST_CHECK(!IsLocal(addr));
+ - ]
801 : 1 : }
802 : :
803 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(initial_advertise_from_version_message)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
804 : : {
805 : 1 : LOCK(NetEventsInterface::g_msgproc_mutex);
806 [ + - ]: 1 : auto& connman{static_cast<ConnmanTestMsg&>(*m_node.connman)};
807 : :
808 : : // Tests the following scenario:
809 : : // * -bind=3.4.5.6:20001 is specified
810 : : // * we make an outbound connection to a peer
811 : : // * the peer reports he sees us as 2.3.4.5:20002 in the version message
812 : : // (20002 is a random port assigned by our OS for the outgoing TCP connection,
813 : : // we cannot accept connections to it)
814 : : // * we should self-advertise to that peer as 2.3.4.5:20001
815 : :
816 : : // Pretend that we bound to this port.
817 : 1 : const uint16_t bind_port = 20001;
818 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", strprintf("3.4.5.6:%u", bind_port));
+ - ]
819 [ + - ]: 1 : m_node.connman->SetCaptureMessages(true);
820 : :
821 : : // Our address:port as seen from the peer - 2.3.4.5:20002 (different from the above).
822 : 1 : in_addr peer_us_addr;
823 : 1 : peer_us_addr.s_addr = htonl(0x02030405);
824 [ + - ]: 1 : const CService peer_us{peer_us_addr, 20002};
825 : :
826 : : // Create a peer with a routable IPv4 address.
827 : 1 : in_addr peer_in_addr;
828 : 1 : peer_in_addr.s_addr = htonl(0x01020304);
829 : 1 : CNode peer{/*id=*/0,
830 : : /*sock=*/nullptr,
831 [ - + ]: 1 : /*addrIn=*/CAddress{CService{peer_in_addr, 8333}, NODE_NETWORK},
832 : : /*nKeyedNetGroupIn=*/0,
833 : : /*nLocalHostNonceIn=*/0,
834 [ + - ]: 2 : /*addrBindIn=*/CService{},
835 : 1 : /*addrNameIn=*/std::string{},
836 : : /*conn_type_in=*/ConnectionType::OUTBOUND_FULL_RELAY,
837 : : /*inbound_onion=*/false,
838 [ + - + - ]: 3 : /*network_key=*/2};
839 : :
840 : 1 : const uint64_t services{NODE_NETWORK | NODE_WITNESS};
841 : 1 : const int64_t time{0};
842 : :
843 : : // Force ChainstateManager::IsInitialBlockDownload() to return false.
844 : : // Otherwise PushAddress() isn't called by PeerManager::ProcessMessage().
845 [ + - ]: 1 : auto& chainman = static_cast<TestChainstateManager&>(*m_node.chainman);
846 [ + - ]: 1 : chainman.JumpOutOfIbd();
847 : :
848 [ + - ]: 1 : m_node.peerman->InitializeNode(peer, NODE_NETWORK);
849 : :
850 [ + - ]: 1 : m_node.peerman->SendMessages(peer);
851 [ + - ]: 1 : connman.FlushSendBuffer(peer); // Drop sent version message
852 : :
853 [ + - ]: 1 : auto msg_version_receive =
854 [ + - + - ]: 1 : NetMsg::Make(NetMsgType::VERSION, PROTOCOL_VERSION, services, time, services, CAddress::V1_NETWORK(peer_us));
855 [ + - - + ]: 1 : Assert(connman.ReceiveMsgFrom(peer, std::move(msg_version_receive)));
856 [ + - ]: 1 : peer.fPauseSend = false;
857 [ + - ]: 1 : bool more_work{connman.ProcessMessagesOnce(peer)};
858 [ - + ]: 1 : Assert(!more_work);
859 : :
860 [ + - ]: 1 : m_node.peerman->SendMessages(peer);
861 [ + - ]: 1 : connman.FlushSendBuffer(peer); // Drop sent verack message
862 : :
863 [ + - + - : 2 : Assert(connman.ReceiveMsgFrom(peer, NetMsg::Make(NetMsgType::VERACK)));
+ - - + ]
864 [ + - ]: 1 : peer.fPauseSend = false;
865 : : // Will set peer.fSuccessfullyConnected to true (necessary in SendMessages()).
866 [ + - ]: 1 : more_work = connman.ProcessMessagesOnce(peer);
867 [ - + ]: 1 : Assert(!more_work);
868 : :
869 : : // Ensure that peer_us_addr:bind_port is sent to the peer.
870 [ + - ]: 1 : const CService expected{peer_us_addr, bind_port};
871 : 1 : bool sent{false};
872 : :
873 [ + - ]: 1 : const auto CaptureMessageOrig = CaptureMessage;
874 : 5 : CaptureMessage = [&sent, &expected](const CAddress& addr,
875 : : const std::string& msg_type,
876 : : std::span<const unsigned char> data,
877 : : bool is_incoming) -> void {
878 [ + - + + ]: 4 : if (!is_incoming && msg_type == "addr") {
879 : 1 : std::vector<CAddress> addresses;
880 : :
881 [ + - ]: 1 : SpanReader{data} >> CAddress::V1_NETWORK(addresses);
882 : :
883 [ + - ]: 1 : for (const auto& addr : addresses) {
884 [ + - + - ]: 1 : if (addr == expected) {
885 : 1 : sent = true;
886 : 1 : return;
887 : : }
888 : : }
889 : 1 : }
890 : 1 : };
891 : :
892 [ + - ]: 1 : m_node.peerman->SendMessages(peer);
893 : :
894 [ + - + - : 2 : BOOST_CHECK(sent);
+ - ]
895 : :
896 [ + - ]: 1 : CaptureMessage = CaptureMessageOrig;
897 [ + - ]: 1 : chainman.ResetIbd();
898 [ + - ]: 1 : m_node.connman->SetCaptureMessages(false);
899 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", "");
+ - ]
900 [ + - ]: 3 : }
901 : :
902 : :
903 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(advertise_local_address)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
904 : : {
905 : 8 : auto CreatePeer = [](const CAddress& addr) {
906 : 14 : return std::make_unique<CNode>(/*id=*/0,
907 : 7 : /*sock=*/nullptr,
908 : : addr,
909 : 7 : /*nKeyedNetGroupIn=*/0,
910 : 7 : /*nLocalHostNonceIn=*/0,
911 : 7 : CAddress{},
912 [ + - ]: 7 : /*pszDest=*/std::string{},
913 : 7 : ConnectionType::OUTBOUND_FULL_RELAY,
914 : 7 : /*inbound_onion=*/false,
915 [ + - + - ]: 14 : /*network_key=*/0);
916 : : };
917 : 1 : g_reachable_nets.Add(NET_CJDNS);
918 : :
919 [ + - + - ]: 2 : CAddress addr_ipv4{Lookup("1.2.3.4", 8333, false).value(), NODE_NONE};
920 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv4.IsValid());
+ - + - ]
921 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv4.IsIPv4());
+ - ]
922 : :
923 [ + - + - : 2 : CAddress addr_ipv6{Lookup("1122:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
924 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6.IsValid());
+ - + - ]
925 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6.IsIPv6());
+ - ]
926 : :
927 [ + - + - : 2 : CAddress addr_ipv6_tunnel{Lookup("2002:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
928 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsValid());
+ - + - ]
929 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsIPv6());
+ - ]
930 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsRFC3964());
+ - + - ]
931 : :
932 [ + - + - : 2 : CAddress addr_teredo{Lookup("2001:0000:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
933 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsValid());
+ - + - ]
934 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsIPv6());
+ - ]
935 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsRFC4380());
+ - + - ]
936 : :
937 [ + - ]: 1 : CAddress addr_onion;
938 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"));
+ - + - ]
939 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.IsValid());
+ - + - ]
940 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.IsTor());
+ - ]
941 : :
942 [ + - ]: 1 : CAddress addr_i2p;
943 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p"));
+ - + - ]
944 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.IsValid());
+ - + - ]
945 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.IsI2P());
+ - ]
946 : :
947 [ + - + - : 3 : CService service_cjdns{Lookup("fc00:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - + - ]
948 [ + - ]: 2 : CAddress addr_cjdns{MaybeFlipIPv6toCJDNS(service_cjdns), NODE_NONE};
949 [ + - + - : 2 : BOOST_REQUIRE(addr_cjdns.IsValid());
+ - + - ]
950 [ + - + - : 2 : BOOST_REQUIRE(addr_cjdns.IsCJDNS());
+ - ]
951 : :
952 [ + - ]: 1 : const auto peer_ipv4{CreatePeer(addr_ipv4)};
953 [ + - ]: 1 : const auto peer_ipv6{CreatePeer(addr_ipv6)};
954 [ + - ]: 1 : const auto peer_ipv6_tunnel{CreatePeer(addr_ipv6_tunnel)};
955 [ + - ]: 1 : const auto peer_teredo{CreatePeer(addr_teredo)};
956 [ + - ]: 1 : const auto peer_onion{CreatePeer(addr_onion)};
957 [ + - ]: 1 : const auto peer_i2p{CreatePeer(addr_i2p)};
958 [ + - ]: 1 : const auto peer_cjdns{CreatePeer(addr_cjdns)};
959 : :
960 : : // one local clearnet address - advertise to all but privacy peers
961 [ + - ]: 1 : AddLocal(addr_ipv4);
962 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv4) == addr_ipv4);
+ - + - +
- ]
963 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6) == addr_ipv4);
+ - + - +
- ]
964 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6_tunnel) == addr_ipv4);
+ - + - +
- ]
965 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_teredo) == addr_ipv4);
+ - + - +
- ]
966 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_cjdns) == addr_ipv4);
+ - + - +
- ]
967 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_onion).IsValid());
+ - + - +
- ]
968 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_i2p).IsValid());
+ - + - +
- ]
969 [ + - ]: 1 : RemoveLocal(addr_ipv4);
970 : :
971 : : // local privacy addresses - don't advertise to clearnet peers
972 [ + - ]: 1 : AddLocal(addr_onion);
973 [ + - ]: 1 : AddLocal(addr_i2p);
974 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv4).IsValid());
+ - + - +
- ]
975 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv6).IsValid());
+ - + - +
- ]
976 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv6_tunnel).IsValid());
+ - + - +
- ]
977 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_teredo).IsValid());
+ - + - +
- ]
978 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_cjdns).IsValid());
+ - + - +
- ]
979 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_onion) == addr_onion);
+ - + - +
- ]
980 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_i2p) == addr_i2p);
+ - + - +
- ]
981 [ + - ]: 1 : RemoveLocal(addr_onion);
982 [ + - ]: 1 : RemoveLocal(addr_i2p);
983 : :
984 : : // local addresses from all networks
985 [ + - ]: 1 : AddLocal(addr_ipv4);
986 [ + - ]: 1 : AddLocal(addr_ipv6);
987 [ + - ]: 1 : AddLocal(addr_ipv6_tunnel);
988 [ + - ]: 1 : AddLocal(addr_teredo);
989 [ + - ]: 1 : AddLocal(addr_onion);
990 [ + - ]: 1 : AddLocal(addr_i2p);
991 [ + - ]: 1 : AddLocal(addr_cjdns);
992 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv4) == addr_ipv4);
+ - + - +
- ]
993 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6) == addr_ipv6);
+ - + - +
- ]
994 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6_tunnel) == addr_ipv6);
+ - + - +
- ]
995 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_teredo) == addr_ipv4);
+ - + - +
- ]
996 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_onion) == addr_onion);
+ - + - +
- ]
997 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_i2p) == addr_i2p);
+ - + - +
- ]
998 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_cjdns) == addr_cjdns);
+ - + - +
- ]
999 [ + - ]: 1 : RemoveLocal(addr_ipv4);
1000 [ + - ]: 1 : RemoveLocal(addr_ipv6);
1001 [ + - ]: 1 : RemoveLocal(addr_ipv6_tunnel);
1002 [ + - ]: 1 : RemoveLocal(addr_teredo);
1003 [ + - ]: 1 : RemoveLocal(addr_onion);
1004 [ + - ]: 1 : RemoveLocal(addr_i2p);
1005 [ + - ]: 1 : RemoveLocal(addr_cjdns);
1006 : 1 : }
1007 : :
1008 : : namespace {
1009 : :
1010 : 75 : CKey GenerateRandomTestKey(FastRandomContext& rng) noexcept
1011 : : {
1012 : 75 : CKey key;
1013 : 75 : uint256 key_data = rng.rand256();
1014 : 75 : key.Set(key_data.begin(), key_data.end(), true);
1015 : 75 : return key;
1016 : : }
1017 : :
1018 : : /** A class for scenario-based tests of V2Transport
1019 : : *
1020 : : * Each V2TransportTester encapsulates a V2Transport (the one being tested), and can be told to
1021 : : * interact with it. To do so, it also encapsulates a BIP324Cipher to act as the other side. A
1022 : : * second V2Transport is not used, as doing so would not permit scenarios that involve sending
1023 : : * invalid data, or ones using BIP324 features that are not implemented on the sending
1024 : : * side (like decoy packets).
1025 : : */
1026 : : class V2TransportTester
1027 : : {
1028 : : FastRandomContext& m_rng;
1029 : : V2Transport m_transport; //!< V2Transport being tested
1030 : : BIP324Cipher m_cipher; //!< Cipher to help with the other side
1031 : : bool m_test_initiator; //!< Whether m_transport is the initiator (true) or responder (false)
1032 : :
1033 : : std::vector<uint8_t> m_sent_garbage; //!< The garbage we've sent to m_transport.
1034 : : std::vector<uint8_t> m_recv_garbage; //!< The garbage we've received from m_transport.
1035 : : std::vector<uint8_t> m_to_send; //!< Bytes we have queued up to send to m_transport.
1036 : : std::vector<uint8_t> m_received; //!< Bytes we have received from m_transport.
1037 : : std::deque<CSerializedNetMsg> m_msg_to_send; //!< Messages to be sent *by* m_transport to us.
1038 : : bool m_sent_aad{false};
1039 : :
1040 : : public:
1041 : : /** Construct a tester object. test_initiator: whether the tested transport is initiator. */
1042 : 75 : explicit V2TransportTester(FastRandomContext& rng, bool test_initiator)
1043 : 75 : : m_rng{rng},
1044 : 75 : m_transport{0, test_initiator},
1045 : 75 : m_cipher{GenerateRandomTestKey(m_rng), MakeByteSpan(m_rng.rand256())},
1046 [ + - ]: 75 : m_test_initiator(test_initiator) {}
1047 : :
1048 : : /** Data type returned by Interact:
1049 : : *
1050 : : * - std::nullopt: transport error occurred
1051 : : * - otherwise: a vector of
1052 : : * - std::nullopt: invalid message received
1053 : : * - otherwise: a CNetMessage retrieved
1054 : : */
1055 : : using InteractResult = std::optional<std::vector<std::optional<CNetMessage>>>;
1056 : :
1057 : : /** Send/receive scheduled/available bytes and messages.
1058 : : *
1059 : : * This is the only function that interacts with the transport being tested; everything else is
1060 : : * scheduling things done by Interact(), or processing things learned by it.
1061 : : */
1062 : 239 : InteractResult Interact()
1063 : : {
1064 : 239 : std::vector<std::optional<CNetMessage>> ret;
1065 : 2987 : while (true) {
1066 : 2987 : bool progress{false};
1067 : : // Send bytes from m_to_send to the transport.
1068 [ + + ]: 2987 : if (!m_to_send.empty()) {
1069 [ - + ]: 2269 : std::span<const uint8_t> to_send = std::span{m_to_send}.first(1 + m_rng.randrange(m_to_send.size()));
1070 : 2269 : size_t old_len = to_send.size();
1071 [ + + ]: 2269 : if (!m_transport.ReceivedBytes(to_send)) {
1072 : 23 : return std::nullopt; // transport error occurred
1073 : : }
1074 [ + + ]: 2246 : if (old_len != to_send.size()) {
1075 : 2158 : progress = true;
1076 : 2158 : m_to_send.erase(m_to_send.begin(), m_to_send.begin() + (old_len - to_send.size()));
1077 : : }
1078 : : }
1079 : : // Retrieve messages received by the transport.
1080 [ + + + + : 2964 : if (m_transport.ReceivedMessageComplete() && (!progress || m_rng.randbool())) {
+ + ]
1081 : 252 : bool reject{false};
1082 : 252 : auto msg = m_transport.GetReceivedMessage({}, reject);
1083 [ + + ]: 252 : if (reject) {
1084 [ + - ]: 61 : ret.emplace_back(std::nullopt);
1085 : : } else {
1086 [ + - ]: 191 : ret.emplace_back(std::move(msg));
1087 : : }
1088 : 252 : progress = true;
1089 : 252 : }
1090 : : // Enqueue a message to be sent by the transport to us.
1091 [ + + + - : 2964 : if (!m_msg_to_send.empty() && (!progress || m_rng.randbool())) {
+ + ]
1092 [ + - ]: 51 : if (m_transport.SetMessageToSend(m_msg_to_send.front())) {
1093 : 51 : m_msg_to_send.pop_front();
1094 : 51 : progress = true;
1095 : : }
1096 : : }
1097 : : // Receive bytes from the transport.
1098 [ + + ]: 2964 : const auto& [recv_bytes, _more, _msg_type] = m_transport.GetBytesToSend(!m_msg_to_send.empty());
1099 [ + + + + : 2964 : if (!recv_bytes.empty() && (!progress || m_rng.randbool())) {
+ + ]
1100 : 932 : size_t to_receive = 1 + m_rng.randrange(recv_bytes.size());
1101 [ + - ]: 932 : m_received.insert(m_received.end(), recv_bytes.begin(), recv_bytes.begin() + to_receive);
1102 : 932 : progress = true;
1103 : 932 : m_transport.MarkBytesSent(to_receive);
1104 : : }
1105 [ + + ]: 2964 : if (!progress) break;
1106 : : }
1107 : 216 : return ret;
1108 : 239 : }
1109 : :
1110 : : /** Expose the cipher. */
1111 : : BIP324Cipher& GetCipher() { return m_cipher; }
1112 : :
1113 : : /** Schedule bytes to be sent to the transport. */
1114 : 47918 : void Send(std::span<const uint8_t> data)
1115 : : {
1116 : 47918 : m_to_send.insert(m_to_send.end(), data.begin(), data.end());
1117 : 47918 : }
1118 : :
1119 : : /** Send V1 version message header to the transport. */
1120 : 2 : void SendV1Version(const MessageStartChars& magic)
1121 : : {
1122 : 2 : CMessageHeader hdr(magic, "version", 126 + m_rng.randrange(11));
1123 : 2 : DataStream ser{};
1124 [ + - ]: 2 : ser << hdr;
1125 [ - + + - ]: 2 : m_to_send.insert(m_to_send.end(), UCharCast(ser.data()), UCharCast(ser.data() + ser.size()));
1126 : 2 : }
1127 : :
1128 : : /** Schedule bytes to be sent to the transport. */
1129 : 47845 : void Send(std::span<const std::byte> data) { Send(MakeUCharSpan(data)); }
1130 : :
1131 : : /** Schedule our ellswift key to be sent to the transport. */
1132 : 73 : void SendKey() { Send(m_cipher.GetOurPubKey()); }
1133 : :
1134 : : /** Schedule specified garbage to be sent to the transport. */
1135 : 73 : void SendGarbage(std::span<const uint8_t> garbage)
1136 : : {
1137 : : // Remember the specified garbage (so we can use it as AAD).
1138 : 73 : m_sent_garbage.assign(garbage.begin(), garbage.end());
1139 : : // Schedule it for sending.
1140 [ - + ]: 73 : Send(m_sent_garbage);
1141 : 73 : }
1142 : :
1143 : : /** Schedule garbage (of specified length) to be sent to the transport. */
1144 : 72 : void SendGarbage(size_t garbage_len)
1145 : : {
1146 : : // Generate random garbage and send it.
1147 [ - + + - ]: 72 : SendGarbage(m_rng.randbytes<uint8_t>(garbage_len));
1148 : 72 : }
1149 : :
1150 : : /** Schedule garbage (with valid random length) to be sent to the transport. */
1151 : 20 : void SendGarbage()
1152 : : {
1153 : 20 : SendGarbage(m_rng.randrange(V2Transport::MAX_GARBAGE_LEN + 1));
1154 : 20 : }
1155 : :
1156 : : /** Schedule a message to be sent to us by the transport. */
1157 : 51 : void AddMessage(std::string m_type, std::vector<uint8_t> payload)
1158 : : {
1159 : 51 : CSerializedNetMsg msg;
1160 : 51 : msg.m_type = std::move(m_type);
1161 : 51 : msg.data = std::move(payload);
1162 [ + - ]: 51 : m_msg_to_send.push_back(std::move(msg));
1163 : 51 : }
1164 : :
1165 : : /** Expect ellswift key to have been received from transport and process it.
1166 : : *
1167 : : * Many other V2TransportTester functions cannot be called until after ReceiveKey() has been
1168 : : * called, as no encryption keys are set up before that point.
1169 : : */
1170 : 73 : void ReceiveKey()
1171 : : {
1172 : : // When processing a key, enough bytes need to have been received already.
1173 [ - + + - ]: 146 : BOOST_REQUIRE(m_received.size() >= EllSwiftPubKey::size());
1174 : : // Initialize the cipher using it (acting as the opposite side of the tested transport).
1175 : 73 : m_cipher.Initialize(MakeByteSpan(m_received).first(EllSwiftPubKey::size()), !m_test_initiator);
1176 : : // Strip the processed bytes off the front of the receive buffer.
1177 : 73 : m_received.erase(m_received.begin(), m_received.begin() + EllSwiftPubKey::size());
1178 : 73 : }
1179 : :
1180 : : /** Schedule an encrypted packet with specified content/aad/ignore to be sent to transport
1181 : : * (only after ReceiveKey). */
1182 : 47699 : void SendPacket(std::span<const uint8_t> content, std::span<const uint8_t> aad = {}, bool ignore = false)
1183 : : {
1184 : : // Use cipher to construct ciphertext.
1185 : 47699 : std::vector<std::byte> ciphertext;
1186 [ + - ]: 47699 : ciphertext.resize(content.size() + BIP324Cipher::EXPANSION);
1187 [ - + ]: 47699 : m_cipher.Encrypt(
1188 : : /*contents=*/MakeByteSpan(content),
1189 : : /*aad=*/MakeByteSpan(aad),
1190 : : /*ignore=*/ignore,
1191 : 47699 : /*output=*/ciphertext);
1192 : : // Schedule it for sending.
1193 [ - + + - ]: 47699 : Send(ciphertext);
1194 : 47699 : }
1195 : :
1196 : : /** Schedule garbage terminator to be sent to the transport (only after ReceiveKey). */
1197 : 73 : void SendGarbageTerm()
1198 : : {
1199 : : // Schedule the garbage terminator to be sent.
1200 : 73 : Send(m_cipher.GetSendGarbageTerminator());
1201 : 73 : }
1202 : :
1203 : : /** Schedule version packet to be sent to the transport (only after ReceiveKey). */
1204 : 300 : void SendVersion(std::span<const uint8_t> version_data = {}, bool vers_ignore = false)
1205 : : {
1206 : 300 : std::span<const std::uint8_t> aad;
1207 : : // Set AAD to garbage only for first packet.
1208 [ + + - + ]: 300 : if (!m_sent_aad) aad = m_sent_garbage;
1209 : 300 : SendPacket(/*content=*/version_data, /*aad=*/aad, /*ignore=*/vers_ignore);
1210 : 300 : m_sent_aad = true;
1211 : 300 : }
1212 : :
1213 : : /** Expect a packet to have been received from transport, process it, and return its contents
1214 : : * (only after ReceiveKey). Decoys are skipped. Optional associated authenticated data (AAD) is
1215 : : * expected in the first received packet, no matter if that is a decoy or not. */
1216 : 122 : std::vector<uint8_t> ReceivePacket(std::span<const std::byte> aad = {})
1217 : : {
1218 : 122 : std::vector<uint8_t> contents;
1219 : : // Loop as long as there are ignored packets that are to be skipped.
1220 : 122 : while (true) {
1221 : : // When processing a packet, at least enough bytes for its length descriptor must be received.
1222 [ + - - + : 244 : BOOST_REQUIRE(m_received.size() >= BIP324Cipher::LENGTH_LEN);
+ - - + ]
1223 : : // Decrypt the content length.
1224 [ - + ]: 122 : size_t size = m_cipher.DecryptLength(MakeByteSpan(std::span{m_received}.first(BIP324Cipher::LENGTH_LEN)));
1225 : : // Check that the full packet is in the receive buffer.
1226 [ + - - + : 244 : BOOST_REQUIRE(m_received.size() >= size + BIP324Cipher::EXPANSION);
+ - + - ]
1227 : : // Decrypt the packet contents.
1228 [ + - ]: 122 : contents.resize(size);
1229 : 122 : bool ignore{false};
1230 : 122 : bool ret = m_cipher.Decrypt(
1231 : : /*input=*/MakeByteSpan(
1232 [ - + ]: 122 : std::span{m_received}.first(size + BIP324Cipher::EXPANSION).subspan(BIP324Cipher::LENGTH_LEN)),
1233 : : /*aad=*/aad,
1234 : : /*ignore=*/ignore,
1235 : : /*contents=*/MakeWritableByteSpan(contents));
1236 [ + - + - ]: 244 : BOOST_CHECK(ret);
1237 : : // Don't expect AAD in further packets.
1238 : 122 : aad = {};
1239 : : // Strip the processed packet's bytes off the front of the receive buffer.
1240 : 122 : m_received.erase(m_received.begin(), m_received.begin() + size + BIP324Cipher::EXPANSION);
1241 : : // Stop if the ignore bit is not set on this packet.
1242 [ - + ]: 122 : if (!ignore) break;
1243 : : }
1244 : 122 : return contents;
1245 : 0 : }
1246 : :
1247 : : /** Expect garbage and garbage terminator to have been received, and process them (only after
1248 : : * ReceiveKey). */
1249 : 71 : void ReceiveGarbage()
1250 : : {
1251 : : // Figure out the garbage length.
1252 : 71 : size_t garblen;
1253 [ + - ]: 152954 : for (garblen = 0; garblen <= V2Transport::MAX_GARBAGE_LEN; ++garblen) {
1254 [ - + + - : 305908 : BOOST_REQUIRE(m_received.size() >= garblen + BIP324Cipher::GARBAGE_TERMINATOR_LEN);
- + ]
1255 [ - + + + ]: 152954 : auto term_span = MakeByteSpan(std::span{m_received}.subspan(garblen, BIP324Cipher::GARBAGE_TERMINATOR_LEN));
1256 [ + + ]: 152954 : if (std::ranges::equal(term_span, m_cipher.GetReceiveGarbageTerminator())) break;
1257 : : }
1258 : : // Copy the garbage to a buffer.
1259 : 71 : m_recv_garbage.assign(m_received.begin(), m_received.begin() + garblen);
1260 : : // Strip garbage + garbage terminator off the front of the receive buffer.
1261 : 71 : m_received.erase(m_received.begin(), m_received.begin() + garblen + BIP324Cipher::GARBAGE_TERMINATOR_LEN);
1262 : 71 : }
1263 : :
1264 : : /** Expect version packet to have been received, and process it (only after ReceiveKey). */
1265 : 71 : void ReceiveVersion()
1266 : : {
1267 : 71 : auto contents = ReceivePacket(/*aad=*/MakeByteSpan(m_recv_garbage));
1268 : : // Version packets from real BIP324 peers are expected to be empty, despite the fact that
1269 : : // this class supports *sending* non-empty version packets (to test that BIP324 peers
1270 : : // correctly ignore version packet contents).
1271 [ + - + - ]: 142 : BOOST_CHECK(contents.empty());
1272 : 71 : }
1273 : :
1274 : : /** Expect application packet to have been received, with specified short id and payload.
1275 : : * (only after ReceiveKey). */
1276 : 1 : void ReceiveMessage(uint8_t short_id, std::span<const uint8_t> payload)
1277 : : {
1278 : 1 : auto ret = ReceivePacket();
1279 [ + - - + : 2 : BOOST_CHECK(ret.size() == payload.size() + 1);
+ - + - ]
1280 [ + - + - : 2 : BOOST_CHECK(ret[0] == short_id);
+ - ]
1281 [ + - - + : 2 : BOOST_CHECK(std::ranges::equal(std::span{ret}.subspan(1), payload));
+ - ]
1282 : 1 : }
1283 : :
1284 : : /** Expect application packet to have been received, with specified 12-char message type and
1285 : : * payload (only after ReceiveKey). */
1286 : 50 : void ReceiveMessage(const std::string& m_type, std::span<const uint8_t> payload)
1287 : : {
1288 : 50 : auto ret = ReceivePacket();
1289 [ + - - + : 100 : BOOST_REQUIRE(ret.size() == payload.size() + 1 + CMessageHeader::MESSAGE_TYPE_SIZE);
+ - + - ]
1290 [ + - + - ]: 100 : BOOST_CHECK(ret[0] == 0);
1291 [ + + ]: 650 : for (unsigned i = 0; i < 12; ++i) {
1292 [ - + + + ]: 600 : if (i < m_type.size()) {
1293 [ + - + - ]: 600 : BOOST_CHECK(ret[1 + i] == m_type[i]);
1294 : : } else {
1295 [ + - + - ]: 900 : BOOST_CHECK(ret[1 + i] == 0);
1296 : : }
1297 : : }
1298 [ + - - + : 100 : BOOST_CHECK(std::ranges::equal(std::span{ret}.subspan(1 + CMessageHeader::MESSAGE_TYPE_SIZE), payload));
+ - ]
1299 : 50 : }
1300 : :
1301 : : /** Schedule an encrypted packet with specified message type and payload to be sent to
1302 : : * transport (only after ReceiveKey). */
1303 : 120 : void SendMessage(std::string mtype, std::span<const uint8_t> payload)
1304 : : {
1305 : : // Construct contents consisting of 0x00 + 12-byte message type + payload.
1306 : 120 : std::vector<uint8_t> contents(1 + CMessageHeader::MESSAGE_TYPE_SIZE + payload.size());
1307 [ - + ]: 120 : std::copy(mtype.begin(), mtype.end(), contents.begin() + 1);
1308 : 120 : std::copy(payload.begin(), payload.end(), contents.begin() + 1 + CMessageHeader::MESSAGE_TYPE_SIZE);
1309 : : // Send a packet with that as contents.
1310 [ - + + - ]: 120 : SendPacket(contents);
1311 : 120 : }
1312 : :
1313 : : /** Schedule an encrypted packet with specified short message id and payload to be sent to
1314 : : * transport (only after ReceiveKey). */
1315 : 152 : void SendMessage(uint8_t short_id, std::span<const uint8_t> payload)
1316 : : {
1317 : : // Construct contents consisting of short_id + payload.
1318 : 152 : std::vector<uint8_t> contents(1 + payload.size());
1319 : 152 : contents[0] = short_id;
1320 : 152 : std::copy(payload.begin(), payload.end(), contents.begin() + 1);
1321 : : // Send a packet with that as contents.
1322 [ - + + - ]: 152 : SendPacket(contents);
1323 : 152 : }
1324 : :
1325 : : /** Test whether the transport's session ID matches the session ID we expect. */
1326 : 71 : void CompareSessionIDs() const
1327 : : {
1328 : 71 : auto info = m_transport.GetInfo();
1329 [ + - ]: 142 : BOOST_CHECK(info.session_id);
1330 [ + - ]: 142 : BOOST_CHECK(uint256(MakeUCharSpan(m_cipher.GetSessionID())) == *info.session_id);
1331 : 71 : }
1332 : :
1333 : : /** Introduce a bit error in the data scheduled to be sent. */
1334 : 10 : void Damage()
1335 : : {
1336 [ - + ]: 10 : m_to_send[m_rng.randrange(m_to_send.size())] ^= (uint8_t{1} << m_rng.randrange(8));
1337 : 10 : }
1338 : : };
1339 : :
1340 : : } // namespace
1341 : :
1342 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(v2transport_test)
+ - + - -
+ + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - +
- + - - +
+ - + - +
- + - + -
+ - - + +
- ]
1343 : : {
1344 : : // A mostly normal scenario, testing a transport in initiator mode.
1345 [ + + ]: 11 : for (int i = 0; i < 10; ++i) {
1346 : 10 : V2TransportTester tester(m_rng, true);
1347 [ + - ]: 10 : auto ret = tester.Interact();
1348 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1349 [ + - ]: 10 : tester.SendKey();
1350 [ + - ]: 10 : tester.SendGarbage();
1351 [ + - ]: 10 : tester.ReceiveKey();
1352 [ + - ]: 10 : tester.SendGarbageTerm();
1353 [ + - ]: 10 : tester.SendVersion();
1354 [ + - ]: 20 : ret = tester.Interact();
1355 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1356 [ + - ]: 10 : tester.ReceiveGarbage();
1357 [ + - ]: 10 : tester.ReceiveVersion();
1358 [ + - ]: 10 : tester.CompareSessionIDs();
1359 : 10 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(100000));
1360 : 10 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1361 [ - + + - ]: 10 : tester.SendMessage(uint8_t(4), msg_data_1); // cmpctblock short id
1362 [ + - ]: 10 : tester.SendMessage(0, {}); // Invalidly encoded message
1363 [ - + + - : 10 : tester.SendMessage("tx", msg_data_2); // 12-character encoded message type
+ - ]
1364 [ + - ]: 20 : ret = tester.Interact();
1365 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->size() == 3);
- + - + +
- + - ]
1366 [ + - + - : 20 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "cmpctblock" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1367 [ + - + - : 20 : BOOST_CHECK(!(*ret)[1]);
+ - ]
1368 [ + - + - : 20 : BOOST_CHECK((*ret)[2] && (*ret)[2]->m_type == "tx" && std::ranges::equal((*ret)[2]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- - + ]
1369 : :
1370 : : // Then send a message with a bit error, expecting failure. It's possible this failure does
1371 : : // not occur immediately (when the length descriptor was modified), but it should come
1372 : : // eventually, and no messages can be delivered anymore.
1373 [ - + + - : 10 : tester.SendMessage("bad", msg_data_1);
+ - ]
1374 : 10 : tester.Damage();
1375 : 10 : while (true) {
1376 [ + - ]: 20 : ret = tester.Interact();
1377 [ - + ]: 10 : if (!ret) break; // failure
1378 [ # # # # : 0 : BOOST_CHECK(ret->size() == 0); // no message can be delivered
# # ]
1379 : : // Send another message.
1380 : 0 : auto msg_data_3 = m_rng.randbytes<uint8_t>(m_rng.randrange(10000));
1381 [ # # # # ]: 0 : tester.SendMessage(uint8_t(12), msg_data_3); // getheaders short id
1382 : 0 : }
1383 : 10 : }
1384 : :
1385 : : // Normal scenario, with a transport in responder node.
1386 [ + + ]: 11 : for (int i = 0; i < 10; ++i) {
1387 : 10 : V2TransportTester tester(m_rng, false);
1388 [ + - ]: 10 : tester.SendKey();
1389 [ + - ]: 10 : tester.SendGarbage();
1390 [ + - ]: 10 : auto ret = tester.Interact();
1391 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1392 [ + - ]: 10 : tester.ReceiveKey();
1393 [ + - ]: 10 : tester.SendGarbageTerm();
1394 [ + - ]: 10 : tester.SendVersion();
1395 [ + - ]: 20 : ret = tester.Interact();
1396 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1397 [ + - ]: 10 : tester.ReceiveGarbage();
1398 [ + - ]: 10 : tester.ReceiveVersion();
1399 [ + - ]: 10 : tester.CompareSessionIDs();
1400 : 10 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(100000));
1401 : 10 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1402 [ - + + - ]: 10 : tester.SendMessage(uint8_t(14), msg_data_1); // inv short id
1403 [ - + + - ]: 10 : tester.SendMessage(uint8_t(19), msg_data_2); // pong short id
1404 [ + - ]: 20 : ret = tester.Interact();
1405 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->size() == 2);
- + - + +
- + - ]
1406 [ + - + - : 20 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "inv" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1407 [ + - + - : 20 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "pong" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- ]
1408 : :
1409 : : // Then send a too-large message.
1410 : 10 : auto msg_data_3 = m_rng.randbytes<uint8_t>(4005000);
1411 [ - + + - ]: 10 : tester.SendMessage(uint8_t(11), msg_data_3); // getdata short id
1412 [ + - ]: 20 : ret = tester.Interact();
1413 [ + - + - ]: 20 : BOOST_CHECK(!ret);
1414 : 10 : }
1415 : :
1416 : : // Various valid but unusual scenarios.
1417 [ + + ]: 51 : for (int i = 0; i < 50; ++i) {
1418 : : /** Whether an initiator or responder is being tested. */
1419 : 50 : bool initiator = m_rng.randbool();
1420 : : /** Use either 0 bytes or the maximum possible (4095 bytes) garbage length. */
1421 [ + + ]: 50 : size_t garb_len = m_rng.randbool() ? 0 : V2Transport::MAX_GARBAGE_LEN;
1422 : : /** How many decoy packets to send before the version packet. */
1423 : 50 : unsigned num_ignore_version = m_rng.randrange(10);
1424 : : /** What data to send in the version packet (ignored by BIP324 peers, but reserved for future extensions). */
1425 [ + + ]: 50 : auto ver_data = m_rng.randbytes<uint8_t>(m_rng.randbool() ? 0 : m_rng.randrange(1000));
1426 : : /** Whether to immediately send key and garbage out (required for responders, optional otherwise). */
1427 [ + + + + ]: 50 : bool send_immediately = !initiator || m_rng.randbool();
1428 : : /** How many decoy packets to send before the first and second real message. */
1429 : 50 : unsigned num_decoys_1 = m_rng.randrange(1000), num_decoys_2 = m_rng.randrange(1000);
1430 [ + - ]: 50 : V2TransportTester tester(m_rng, initiator);
1431 [ + + ]: 50 : if (send_immediately) {
1432 [ + - ]: 39 : tester.SendKey();
1433 [ + - ]: 39 : tester.SendGarbage(garb_len);
1434 : : }
1435 [ + - ]: 50 : auto ret = tester.Interact();
1436 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
+ ]
1437 [ + + ]: 50 : if (!send_immediately) {
1438 [ + - ]: 11 : tester.SendKey();
1439 [ + - ]: 11 : tester.SendGarbage(garb_len);
1440 : : }
1441 [ + - ]: 50 : tester.ReceiveKey();
1442 [ + - ]: 50 : tester.SendGarbageTerm();
1443 [ + + ]: 279 : for (unsigned v = 0; v < num_ignore_version; ++v) {
1444 [ + + ]: 229 : size_t ver_ign_data_len = m_rng.randbool() ? 0 : m_rng.randrange(1000);
1445 : 229 : auto ver_ign_data = m_rng.randbytes<uint8_t>(ver_ign_data_len);
1446 [ - + + - ]: 229 : tester.SendVersion(ver_ign_data, true);
1447 : 229 : }
1448 [ - + + - ]: 50 : tester.SendVersion(ver_data, false);
1449 [ + - ]: 100 : ret = tester.Interact();
1450 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1451 [ + - ]: 50 : tester.ReceiveGarbage();
1452 [ + - ]: 50 : tester.ReceiveVersion();
1453 [ + - ]: 50 : tester.CompareSessionIDs();
1454 [ + + ]: 22518 : for (unsigned d = 0; d < num_decoys_1; ++d) {
1455 : 22468 : auto decoy_data = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1456 [ - + + - ]: 22468 : tester.SendPacket(/*content=*/decoy_data, /*aad=*/{}, /*ignore=*/true);
1457 : 22468 : }
1458 : 50 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(4000000));
1459 [ - + + - ]: 50 : tester.SendMessage(uint8_t(28), msg_data_1);
1460 [ + + ]: 24709 : for (unsigned d = 0; d < num_decoys_2; ++d) {
1461 : 24659 : auto decoy_data = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1462 [ - + + - ]: 24659 : tester.SendPacket(/*content=*/decoy_data, /*aad=*/{}, /*ignore=*/true);
1463 : 24659 : }
1464 : 50 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1465 [ - + + - ]: 50 : tester.SendMessage(uint8_t(13), msg_data_2); // headers short id
1466 : : // Send invalidly-encoded message
1467 [ + - + - ]: 50 : tester.SendMessage(std::string("blocktxn\x00\x00\x00a", CMessageHeader::MESSAGE_TYPE_SIZE), {});
1468 [ + - + - ]: 50 : tester.SendMessage("foobar", {}); // test receiving unknown message type
1469 [ + - + - ]: 100 : tester.AddMessage("barfoo", {}); // test sending unknown message type
1470 [ + - ]: 100 : ret = tester.Interact();
1471 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->size() == 4);
- + - + +
- + - ]
1472 [ + - + - : 100 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "addrv2" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1473 [ + - + - : 100 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "headers" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- + - ]
1474 [ + - + - : 100 : BOOST_CHECK(!(*ret)[2]);
+ - ]
1475 [ + - + - : 100 : BOOST_CHECK((*ret)[3] && (*ret)[3]->m_type == "foobar" && (*ret)[3]->m_recv.empty());
+ - - + -
+ + - +
- ]
1476 [ + - + - ]: 100 : tester.ReceiveMessage("barfoo", {});
1477 : 50 : }
1478 : :
1479 : : // Too long garbage (initiator).
1480 : 1 : {
1481 : 1 : V2TransportTester tester(m_rng, true);
1482 [ + - ]: 1 : auto ret = tester.Interact();
1483 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1484 [ + - ]: 1 : tester.SendKey();
1485 [ + - ]: 1 : tester.SendGarbage(V2Transport::MAX_GARBAGE_LEN + 1);
1486 [ + - ]: 1 : tester.ReceiveKey();
1487 [ + - ]: 1 : tester.SendGarbageTerm();
1488 [ + - ]: 2 : ret = tester.Interact();
1489 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1490 : 1 : }
1491 : :
1492 : : // Too long garbage (responder).
1493 : 1 : {
1494 : 1 : V2TransportTester tester(m_rng, false);
1495 [ + - ]: 1 : tester.SendKey();
1496 [ + - ]: 1 : tester.SendGarbage(V2Transport::MAX_GARBAGE_LEN + 1);
1497 [ + - ]: 1 : auto ret = tester.Interact();
1498 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1499 [ + - ]: 1 : tester.ReceiveKey();
1500 [ + - ]: 1 : tester.SendGarbageTerm();
1501 [ + - ]: 2 : ret = tester.Interact();
1502 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1503 : 1 : }
1504 : :
1505 : : // Send garbage that includes the first 15 garbage terminator bytes somewhere.
1506 : 1 : {
1507 : 1 : V2TransportTester tester(m_rng, true);
1508 [ + - ]: 1 : auto ret = tester.Interact();
1509 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1510 [ + - ]: 1 : tester.SendKey();
1511 [ + - ]: 1 : tester.ReceiveKey();
1512 : : /** The number of random garbage bytes before the included first 15 bytes of terminator. */
1513 : 1 : size_t len_before = m_rng.randrange(V2Transport::MAX_GARBAGE_LEN - 16 + 1);
1514 : : /** The number of random garbage bytes after it. */
1515 : 1 : size_t len_after = m_rng.randrange(V2Transport::MAX_GARBAGE_LEN - 16 - len_before + 1);
1516 : : // Construct len_before + 16 + len_after random bytes.
1517 : 1 : auto garbage = m_rng.randbytes<uint8_t>(len_before + 16 + len_after);
1518 : : // Replace the designed 16 bytes in the middle with the to-be-sent garbage terminator.
1519 : 1 : auto garb_term = MakeUCharSpan(tester.GetCipher().GetSendGarbageTerminator());
1520 : 1 : std::copy(garb_term.begin(), garb_term.begin() + 16, garbage.begin() + len_before);
1521 : : // Introduce a bit error in the last byte of that copied garbage terminator, making only
1522 : : // the first 15 of them match.
1523 [ - + ]: 1 : garbage[len_before + 15] ^= (uint8_t(1) << m_rng.randrange(8));
1524 [ - + + - ]: 1 : tester.SendGarbage(garbage);
1525 [ + - ]: 1 : tester.SendGarbageTerm();
1526 [ + - ]: 1 : tester.SendVersion();
1527 [ + - ]: 2 : ret = tester.Interact();
1528 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1529 [ + - ]: 1 : tester.ReceiveGarbage();
1530 [ + - ]: 1 : tester.ReceiveVersion();
1531 [ + - ]: 1 : tester.CompareSessionIDs();
1532 : 1 : auto msg_data_1 = m_rng.randbytes<uint8_t>(4000000); // test that receiving 4M payload works
1533 : 1 : auto msg_data_2 = m_rng.randbytes<uint8_t>(4000000); // test that sending 4M payload works
1534 [ + - ]: 1 : tester.SendMessage(uint8_t(m_rng.randrange(223) + 33), {}); // unknown short id
1535 [ - + + - ]: 1 : tester.SendMessage(uint8_t(2), msg_data_1); // "block" short id
1536 [ + - + - : 2 : tester.AddMessage("blocktxn", msg_data_2); // schedule blocktxn to be sent to us
+ - ]
1537 [ + - ]: 2 : ret = tester.Interact();
1538 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->size() == 2);
- + - + +
- + - ]
1539 [ + - + - : 2 : BOOST_CHECK(!(*ret)[0]);
+ - ]
1540 [ + - + - : 2 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "block" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- - + ]
1541 [ - + + - ]: 1 : tester.ReceiveMessage(uint8_t(3), msg_data_2); // "blocktxn" short id
1542 : 1 : }
1543 : :
1544 : : // Send correct network's V1 header
1545 : 1 : {
1546 : 1 : V2TransportTester tester(m_rng, false);
1547 [ + - + - ]: 1 : tester.SendV1Version(Params().MessageStart());
1548 [ + - ]: 1 : auto ret = tester.Interact();
1549 [ + - + - ]: 2 : BOOST_CHECK(ret);
1550 : 1 : }
1551 : :
1552 : : // Send wrong network's V1 header
1553 : 1 : {
1554 : 1 : V2TransportTester tester(m_rng, false);
1555 [ + - + - ]: 1 : tester.SendV1Version(CChainParams::Main()->MessageStart());
1556 [ + - ]: 1 : auto ret = tester.Interact();
1557 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1558 : 1 : }
1559 : 1 : }
1560 : :
1561 : : BOOST_AUTO_TEST_SUITE_END()
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