Branch data Line data Source code
1 : : // Copyright (c) 2012-2022 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 <cstdint>
10 : : #include <net.h>
11 : : #include <net_processing.h>
12 : : #include <netaddress.h>
13 : : #include <netbase.h>
14 : : #include <netmessagemaker.h>
15 : : #include <node/protocol_version.h>
16 : : #include <serialize.h>
17 : : #include <span.h>
18 : : #include <streams.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 <ios>
30 : : #include <memory>
31 : : #include <optional>
32 : : #include <string>
33 : :
34 : : using namespace std::literals;
35 : : using namespace util::hex_literals;
36 : : using util::ToString;
37 : :
38 : : BOOST_FIXTURE_TEST_SUITE(net_tests, RegTestingSetup)
39 : :
40 [ + - + - : 10 : BOOST_AUTO_TEST_CASE(cnode_listen_port)
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41 : : {
42 : : // test default
43 : 1 : uint16_t port{GetListenPort()};
44 [ + - + - ]: 2 : BOOST_CHECK(port == Params().GetDefaultPort());
45 : : // test set port
46 : 1 : uint16_t altPort = 12345;
47 [ + - + - : 2 : BOOST_CHECK(gArgs.SoftSetArg("-port", ToString(altPort)));
+ - + - ]
48 : 1 : port = GetListenPort();
49 [ + - ]: 2 : BOOST_CHECK(port == altPort);
50 : 1 : }
51 : :
52 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnode_simple_test)
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53 : : {
54 : 1 : NodeId id = 0;
55 : :
56 : 1 : in_addr ipv4Addr;
57 : 1 : ipv4Addr.s_addr = 0xa0b0c001;
58 : :
59 : 1 : CAddress addr = CAddress(CService(ipv4Addr, 7777), NODE_NETWORK);
60 [ + - ]: 1 : std::string pszDest;
61 : :
62 : 2 : std::unique_ptr<CNode> pnode1 = std::make_unique<CNode>(id++,
63 : 1 : /*sock=*/nullptr,
64 : : addr,
65 : 1 : /*nKeyedNetGroupIn=*/0,
66 : 1 : /*nLocalHostNonceIn=*/0,
67 : 0 : CAddress(),
68 : : pszDest,
69 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
70 [ + - + - ]: 1 : /*inbound_onion=*/false);
71 [ + - + - : 2 : BOOST_CHECK(pnode1->IsFullOutboundConn() == true);
+ - ]
72 [ + - + - : 2 : BOOST_CHECK(pnode1->IsManualConn() == false);
+ - ]
73 [ + - + - : 2 : BOOST_CHECK(pnode1->IsBlockOnlyConn() == false);
+ - ]
74 [ + - + - : 2 : BOOST_CHECK(pnode1->IsFeelerConn() == false);
+ - ]
75 [ + - + - : 2 : BOOST_CHECK(pnode1->IsAddrFetchConn() == false);
+ - ]
76 [ + - + - : 2 : BOOST_CHECK(pnode1->IsInboundConn() == false);
+ - ]
77 [ + - + - : 2 : BOOST_CHECK(pnode1->m_inbound_onion == false);
+ - ]
78 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode1->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
79 : :
80 : 2 : std::unique_ptr<CNode> pnode2 = std::make_unique<CNode>(id++,
81 : 1 : /*sock=*/nullptr,
82 : : addr,
83 : 1 : /*nKeyedNetGroupIn=*/1,
84 : 1 : /*nLocalHostNonceIn=*/1,
85 : 0 : CAddress(),
86 : : pszDest,
87 : 1 : ConnectionType::INBOUND,
88 [ + - + - ]: 1 : /*inbound_onion=*/false);
89 [ + - + - : 2 : BOOST_CHECK(pnode2->IsFullOutboundConn() == false);
+ - ]
90 [ + - + - : 2 : BOOST_CHECK(pnode2->IsManualConn() == false);
+ - ]
91 [ + - + - : 2 : BOOST_CHECK(pnode2->IsBlockOnlyConn() == false);
+ - ]
92 [ + - + - : 2 : BOOST_CHECK(pnode2->IsFeelerConn() == false);
+ - ]
93 [ + - + - : 2 : BOOST_CHECK(pnode2->IsAddrFetchConn() == false);
+ - ]
94 [ + - + - : 2 : BOOST_CHECK(pnode2->IsInboundConn() == true);
+ - ]
95 [ + - + - : 2 : BOOST_CHECK(pnode2->m_inbound_onion == false);
+ - ]
96 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode2->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
97 : :
98 : 2 : std::unique_ptr<CNode> pnode3 = std::make_unique<CNode>(id++,
99 : 1 : /*sock=*/nullptr,
100 : : addr,
101 : 1 : /*nKeyedNetGroupIn=*/0,
102 : 1 : /*nLocalHostNonceIn=*/0,
103 : 0 : CAddress(),
104 : : pszDest,
105 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
106 [ + - + - ]: 1 : /*inbound_onion=*/false);
107 [ + - + - : 2 : BOOST_CHECK(pnode3->IsFullOutboundConn() == true);
+ - ]
108 [ + - + - : 2 : BOOST_CHECK(pnode3->IsManualConn() == false);
+ - ]
109 [ + - + - : 2 : BOOST_CHECK(pnode3->IsBlockOnlyConn() == false);
+ - ]
110 [ + - + - : 2 : BOOST_CHECK(pnode3->IsFeelerConn() == false);
+ - ]
111 [ + - + - : 2 : BOOST_CHECK(pnode3->IsAddrFetchConn() == false);
+ - ]
112 [ + - + - : 2 : BOOST_CHECK(pnode3->IsInboundConn() == false);
+ - ]
113 [ + - + - : 2 : BOOST_CHECK(pnode3->m_inbound_onion == false);
+ - ]
114 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode3->ConnectedThroughNetwork(), Network::NET_IPV4);
+ - ]
115 : :
116 : 2 : std::unique_ptr<CNode> pnode4 = std::make_unique<CNode>(id++,
117 : 1 : /*sock=*/nullptr,
118 : : addr,
119 : 1 : /*nKeyedNetGroupIn=*/1,
120 : 1 : /*nLocalHostNonceIn=*/1,
121 : 0 : CAddress(),
122 : : pszDest,
123 : 1 : ConnectionType::INBOUND,
124 [ + - + - ]: 1 : /*inbound_onion=*/true);
125 [ + - + - : 2 : BOOST_CHECK(pnode4->IsFullOutboundConn() == false);
+ - ]
126 [ + - + - : 2 : BOOST_CHECK(pnode4->IsManualConn() == false);
+ - ]
127 [ + - + - : 2 : BOOST_CHECK(pnode4->IsBlockOnlyConn() == false);
+ - ]
128 [ + - + - : 2 : BOOST_CHECK(pnode4->IsFeelerConn() == false);
+ - ]
129 [ + - + - : 2 : BOOST_CHECK(pnode4->IsAddrFetchConn() == false);
+ - ]
130 [ + - + - : 2 : BOOST_CHECK(pnode4->IsInboundConn() == true);
+ - ]
131 [ + - + - : 2 : BOOST_CHECK(pnode4->m_inbound_onion == true);
+ - ]
132 [ + - + - : 1 : BOOST_CHECK_EQUAL(pnode4->ConnectedThroughNetwork(), Network::NET_ONION);
+ - ]
133 : 1 : }
134 : :
135 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_basic)
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136 : : {
137 : 1 : CNetAddr addr;
138 : :
139 : : // IPv4, INADDR_ANY
140 [ + - + - : 2 : addr = LookupHost("0.0.0.0", false).value();
+ - ]
141 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
142 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
143 : :
144 [ + - + - : 2 : BOOST_CHECK(addr.IsBindAny());
+ - + - ]
145 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
146 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "0.0.0.0");
+ - ]
147 : :
148 : : // IPv4, INADDR_NONE
149 [ + - + - : 2 : addr = LookupHost("255.255.255.255", false).value();
+ - ]
150 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
151 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
152 : :
153 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
154 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
155 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "255.255.255.255");
+ - ]
156 : :
157 : : // IPv4, casual
158 [ + - + - : 2 : addr = LookupHost("12.34.56.78", false).value();
+ - ]
159 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
160 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv4());
+ - ]
161 : :
162 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
163 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
164 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "12.34.56.78");
+ - ]
165 : :
166 : : // IPv6, in6addr_any
167 [ + - + - : 2 : addr = LookupHost("::", false).value();
+ - ]
168 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid());
+ - + - ]
169 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
170 : :
171 [ + - + - : 2 : BOOST_CHECK(addr.IsBindAny());
+ - + - ]
172 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
173 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "::");
+ - ]
174 : :
175 : : // IPv6, casual
176 [ + - + - : 2 : addr = LookupHost("1122:3344:5566:7788:9900:aabb:ccdd:eeff", false).value();
+ - ]
177 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
178 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
179 : :
180 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
181 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
182 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "1122:3344:5566:7788:9900:aabb:ccdd:eeff");
+ - ]
183 : :
184 : : // IPv6, scoped/link-local. See https://tools.ietf.org/html/rfc4007
185 : : // We support non-negative decimal integers (uint32_t) as zone id indices.
186 : : // Normal link-local scoped address functionality is to append "%" plus the
187 : : // zone id, for example, given a link-local address of "fe80::1" and a zone
188 : : // id of "32", return the address as "fe80::1%32".
189 [ + - ]: 1 : const std::string link_local{"fe80::1"};
190 [ + - ]: 1 : const std::string scoped_addr{link_local + "%32"};
191 [ + - + - ]: 2 : addr = LookupHost(scoped_addr, false).value();
192 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
193 [ + - + - : 2 : BOOST_REQUIRE(addr.IsIPv6());
+ - ]
194 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
195 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), scoped_addr);
+ - ]
196 : :
197 : : // TORv2, no longer supported
198 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
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199 : :
200 : : // TORv3
201 : 1 : const char* torv3_addr = "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion";
202 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial(torv3_addr));
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203 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
204 [ + - + - : 2 : BOOST_REQUIRE(addr.IsTor());
+ - ]
205 : :
206 [ + - + - : 2 : BOOST_CHECK(!addr.IsI2P());
+ - ]
207 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
208 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
209 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), torv3_addr);
+ - ]
210 : :
211 : : // TORv3, broken, with wrong checksum
212 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscsad.onion"));
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213 : :
214 : : // TORv3, broken, with wrong version
215 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscrye.onion"));
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216 : :
217 : : // TORv3, malicious
218 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial(std::string{
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219 : : "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd\0wtf.onion", 66}));
220 : :
221 : : // TOR, bogus length
222 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial(std::string{"mfrggzak.onion"}));
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223 : :
224 : : // TOR, invalid base32
225 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial(std::string{"mf*g zak.onion"}));
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226 : :
227 : : // I2P
228 : 1 : const char* i2p_addr = "UDHDrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.I2P";
229 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial(i2p_addr));
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230 [ + - + - : 2 : BOOST_REQUIRE(addr.IsValid());
+ - + - ]
231 [ + - + - : 2 : BOOST_REQUIRE(addr.IsI2P());
+ - ]
232 : :
233 [ + - + - : 2 : BOOST_CHECK(!addr.IsTor());
+ - ]
234 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
235 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
236 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), ToLower(i2p_addr));
+ - + - ]
237 : :
238 : : // I2P, correct length, but decodes to less than the expected number of bytes.
239 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jn=.b32.i2p"));
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240 : :
241 : : // I2P, extra unnecessary padding
242 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna=.b32.i2p"));
+ - + - +
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243 : :
244 : : // I2P, malicious
245 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v\0wtf.b32.i2p"s));
+ - + - +
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246 : :
247 : : // I2P, valid but unsupported (56 Base32 characters)
248 : : // See "Encrypted LS with Base 32 Addresses" in
249 : : // https://geti2p.net/spec/encryptedleaseset.txt
250 [ + - + - : 2 : BOOST_CHECK(
+ - + - +
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251 : : !addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscsad.b32.i2p"));
252 : :
253 : : // I2P, invalid base32
254 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial(std::string{"tp*szydbh4dp.b32.i2p"}));
+ - + - +
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255 : :
256 : : // Internal
257 [ + - + - ]: 1 : addr.SetInternal("esffpp");
258 [ + - + - : 2 : BOOST_REQUIRE(!addr.IsValid()); // "internal" is considered invalid
+ - + - ]
259 [ + - + - : 2 : BOOST_REQUIRE(addr.IsInternal());
+ - + - ]
260 : :
261 [ + - + - : 2 : BOOST_CHECK(!addr.IsBindAny());
+ - + - ]
262 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
263 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "esffpvrt3wpeaygy.internal");
+ - ]
264 : :
265 : : // Totally bogus
266 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("totally bogus"));
+ - + - ]
267 : 1 : }
268 : :
269 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_tostring_canonical_ipv6)
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270 : : {
271 : : // Test that CNetAddr::ToString formats IPv6 addresses with zero compression as described in
272 : : // RFC 5952 ("A Recommendation for IPv6 Address Text Representation").
273 : 1 : const std::map<std::string, std::string> canonical_representations_ipv6{
274 : : {"0000:0000:0000:0000:0000:0000:0000:0000", "::"},
275 : : {"000:0000:000:00:0:00:000:0000", "::"},
276 : : {"000:000:000:000:000:000:000:000", "::"},
277 : : {"00:00:00:00:00:00:00:00", "::"},
278 : : {"0:0:0:0:0:0:0:0", "::"},
279 : : {"0:0:0:0:0:0:0:1", "::1"},
280 : : {"2001:0:0:1:0:0:0:1", "2001:0:0:1::1"},
281 : : {"2001:0db8:0:0:1:0:0:1", "2001:db8::1:0:0:1"},
282 : : {"2001:0db8:85a3:0000:0000:8a2e:0370:7334", "2001:db8:85a3::8a2e:370:7334"},
283 : : {"2001:0db8::0001", "2001:db8::1"},
284 : : {"2001:0db8::0001:0000", "2001:db8::1:0"},
285 : : {"2001:0db8::1:0:0:1", "2001:db8::1:0:0:1"},
286 : : {"2001:db8:0000:0:1::1", "2001:db8::1:0:0:1"},
287 : : {"2001:db8:0000:1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
288 : : {"2001:db8:0:0:0:0:2:1", "2001:db8::2:1"},
289 : : {"2001:db8:0:0:0::1", "2001:db8::1"},
290 : : {"2001:db8:0:0:1:0:0:1", "2001:db8::1:0:0:1"},
291 : : {"2001:db8:0:0:1::1", "2001:db8::1:0:0:1"},
292 : : {"2001:DB8:0:0:1::1", "2001:db8::1:0:0:1"},
293 : : {"2001:db8:0:0::1", "2001:db8::1"},
294 : : {"2001:db8:0:0:aaaa::1", "2001:db8::aaaa:0:0:1"},
295 : : {"2001:db8:0:1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
296 : : {"2001:db8:0::1", "2001:db8::1"},
297 : : {"2001:db8:85a3:0:0:8a2e:370:7334", "2001:db8:85a3::8a2e:370:7334"},
298 : : {"2001:db8::0:1", "2001:db8::1"},
299 : : {"2001:db8::0:1:0:0:1", "2001:db8::1:0:0:1"},
300 : : {"2001:DB8::1", "2001:db8::1"},
301 : : {"2001:db8::1", "2001:db8::1"},
302 : : {"2001:db8::1:0:0:1", "2001:db8::1:0:0:1"},
303 : : {"2001:db8::1:1:1:1:1", "2001:db8:0:1:1:1:1:1"},
304 : : {"2001:db8::aaaa:0:0:1", "2001:db8::aaaa:0:0:1"},
305 : : {"2001:db8:aaaa:bbbb:cccc:dddd:0:1", "2001:db8:aaaa:bbbb:cccc:dddd:0:1"},
306 : : {"2001:db8:aaaa:bbbb:cccc:dddd::1", "2001:db8:aaaa:bbbb:cccc:dddd:0:1"},
307 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:0001", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
308 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:001", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
309 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:01", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
310 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:1", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:1"},
311 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
312 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:AAAA", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
313 : : {"2001:db8:aaaa:bbbb:cccc:dddd:eeee:AaAa", "2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa"},
314 [ - + + + : 41 : };
- - ]
315 [ + - + + ]: 41 : for (const auto& [input_address, expected_canonical_representation_output] : canonical_representations_ipv6) {
316 [ + - + - ]: 40 : const std::optional<CNetAddr> net_addr{LookupHost(input_address, false)};
317 [ + - + - : 80 : BOOST_REQUIRE(net_addr.value().IsIPv6());
+ - + - ]
318 [ + - + - : 40 : BOOST_CHECK_EQUAL(net_addr.value().ToStringAddr(), expected_canonical_representation_output);
+ - + - ]
319 : 40 : }
320 [ + - + - : 2 : }
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321 : :
322 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_serialize_v1)
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323 : : {
324 : 1 : CNetAddr addr;
325 : 1 : DataStream s{};
326 : 1 : const auto ser_params{CAddress::V1_NETWORK};
327 : :
328 [ + - ]: 1 : s << ser_params(addr);
329 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000000000000000");
+ - ]
330 [ + - ]: 1 : s.clear();
331 : :
332 [ + - + - : 2 : addr = LookupHost("1.2.3.4", false).value();
+ - ]
333 [ + - ]: 1 : s << ser_params(addr);
334 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000ffff01020304");
+ - ]
335 [ + - ]: 1 : s.clear();
336 : :
337 [ + - + - : 2 : addr = LookupHost("1a1b:2a2b:3a3b:4a4b:5a5b:6a6b:7a7b:8a8b", false).value();
+ - ]
338 [ + - ]: 1 : s << ser_params(addr);
339 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "1a1b2a2b3a3b4a4b5a5b6a6b7a7b8a8b");
+ - ]
340 [ + - ]: 1 : s.clear();
341 : :
342 : : // TORv2, no longer supported
343 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
+ - + - +
- ]
344 : :
345 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"));
+ - + - +
- ]
346 [ + - ]: 1 : s << ser_params(addr);
347 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "00000000000000000000000000000000");
+ - ]
348 [ + - ]: 1 : s.clear();
349 : :
350 [ + - + - ]: 1 : addr.SetInternal("a");
351 [ + - ]: 1 : s << ser_params(addr);
352 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "fd6b88c08724ca978112ca1bbdcafac2");
+ - ]
353 [ + - ]: 2 : s.clear();
354 : 1 : }
355 : :
356 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_serialize_v2)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
357 : : {
358 : 1 : CNetAddr addr;
359 : 1 : DataStream s{};
360 : 1 : const auto ser_params{CAddress::V2_NETWORK};
361 : :
362 [ + - ]: 1 : s << ser_params(addr);
363 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "021000000000000000000000000000000000");
+ - ]
364 [ + - ]: 1 : s.clear();
365 : :
366 [ + - + - : 2 : addr = LookupHost("1.2.3.4", false).value();
+ - ]
367 [ + - ]: 1 : s << ser_params(addr);
368 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "010401020304");
+ - ]
369 [ + - ]: 1 : s.clear();
370 : :
371 [ + - + - : 2 : addr = LookupHost("1a1b:2a2b:3a3b:4a4b:5a5b:6a6b:7a7b:8a8b", false).value();
+ - ]
372 [ + - ]: 1 : s << ser_params(addr);
373 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "02101a1b2a2b3a3b4a4b5a5b6a6b7a7b8a8b");
+ - ]
374 [ + - ]: 1 : s.clear();
375 : :
376 : : // TORv2, no longer supported
377 [ + - + - : 2 : BOOST_CHECK(!addr.SetSpecial("6hzph5hv6337r6p2.onion"));
+ - + - +
- ]
378 : :
379 [ + - + - : 2 : BOOST_REQUIRE(addr.SetSpecial("kpgvmscirrdqpekbqjsvw5teanhatztpp2gl6eee4zkowvwfxwenqaid.onion"));
+ - + - +
- ]
380 [ + - ]: 1 : s << ser_params(addr);
381 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "042053cd5648488c4707914182655b7664034e09e66f7e8cbf1084e654eb56c5bd88");
+ - ]
382 [ + - ]: 1 : s.clear();
383 : :
384 [ + - + - : 2 : BOOST_REQUIRE(addr.SetInternal("a"));
+ - + - +
- ]
385 [ + - ]: 1 : s << ser_params(addr);
386 [ + - + - : 1 : BOOST_CHECK_EQUAL(HexStr(s), "0210fd6b88c08724ca978112ca1bbdcafac2");
+ - ]
387 [ + - ]: 2 : s.clear();
388 : 1 : }
389 : :
390 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(cnetaddr_unserialize_v2)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
391 : : {
392 : 1 : CNetAddr addr;
393 : 1 : DataStream s{};
394 : 1 : const auto ser_params{CAddress::V2_NETWORK};
395 : :
396 : : // Valid IPv4.
397 [ + - ]: 1 : s << "01" // network type (IPv4)
398 : : "04" // address length
399 : 1 : "01020304"_hex; // address
400 [ + - ]: 1 : s >> ser_params(addr);
401 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
402 [ + - + - : 2 : BOOST_CHECK(addr.IsIPv4());
+ - ]
403 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
404 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "1.2.3.4");
+ - ]
405 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
406 : :
407 : : // Invalid IPv4, valid length but address itself is shorter.
408 [ + - ]: 1 : s << "01" // network type (IPv4)
409 : : "04" // address length
410 : 1 : "0102"_hex; // address
411 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure, HasReason("end of data"));
- - - - -
+ + - + -
+ - ]
412 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
413 [ + - ]: 1 : s.clear();
414 : :
415 : : // Invalid IPv4, with bogus length.
416 [ + - ]: 1 : s << "01" // network type (IPv4)
417 : : "05" // address length
418 : 1 : "01020304"_hex; // address
419 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
420 : : HasReason("BIP155 IPv4 address with length 5 (should be 4)"));
421 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
422 [ + - ]: 1 : s.clear();
423 : :
424 : : // Invalid IPv4, with extreme length.
425 [ + - ]: 1 : s << "01" // network type (IPv4)
426 : : "fd0102" // address length (513 as CompactSize)
427 : 1 : "01020304"_hex; // address
428 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
429 : : HasReason("Address too long: 513 > 512"));
430 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
431 [ + - ]: 1 : s.clear();
432 : :
433 : : // Valid IPv6.
434 [ + - ]: 1 : s << "02" // network type (IPv6)
435 : : "10" // address length
436 : 1 : "0102030405060708090a0b0c0d0e0f10"_hex; // address
437 [ + - ]: 1 : s >> ser_params(addr);
438 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
439 [ + - + - : 2 : BOOST_CHECK(addr.IsIPv6());
+ - ]
440 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
441 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "102:304:506:708:90a:b0c:d0e:f10");
+ - ]
442 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
443 : :
444 : : // Valid IPv6, contains embedded "internal".
445 [ + - ]: 1 : s << "02" // network type (IPv6)
446 : : "10" // address length
447 : 1 : "fd6b88c08724ca978112ca1bbdcafac2"_hex; // address: 0xfd + sha256("bitcoin")[0:5] +
448 : : // sha256(name)[0:10]
449 [ + - ]: 1 : s >> ser_params(addr);
450 [ + - + - : 2 : BOOST_CHECK(addr.IsInternal());
+ - + - ]
451 [ + - + - : 2 : BOOST_CHECK(addr.IsAddrV1Compatible());
+ - + - ]
452 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "zklycewkdo64v6wc.internal");
+ - ]
453 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
454 : :
455 : : // Invalid IPv6, with bogus length.
456 [ + - ]: 1 : s << "02" // network type (IPv6)
457 : : "04" // address length
458 : 1 : "00"_hex; // address
459 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
460 : : HasReason("BIP155 IPv6 address with length 4 (should be 16)"));
461 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
462 [ + - ]: 1 : s.clear();
463 : :
464 : : // Invalid IPv6, contains embedded IPv4.
465 [ + - ]: 1 : s << "02" // network type (IPv6)
466 : : "10" // address length
467 : 1 : "00000000000000000000ffff01020304"_hex; // address
468 [ + - ]: 1 : s >> ser_params(addr);
469 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
470 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
471 : :
472 : : // Invalid IPv6, contains embedded TORv2.
473 [ + - ]: 1 : s << "02" // network type (IPv6)
474 : : "10" // address length
475 : 1 : "fd87d87eeb430102030405060708090a"_hex; // address
476 [ + - ]: 1 : s >> ser_params(addr);
477 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
478 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
479 : :
480 : : // TORv2, no longer supported.
481 [ + - ]: 1 : s << "03" // network type (TORv2)
482 : : "0a" // address length
483 : 1 : "f1f2f3f4f5f6f7f8f9fa"_hex; // address
484 [ + - ]: 1 : s >> ser_params(addr);
485 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
486 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
487 : :
488 : : // Valid TORv3.
489 [ + - ]: 1 : s << "04" // network type (TORv3)
490 : : "20" // address length
491 : : "79bcc625184b05194975c28b66b66b04" // address
492 : 1 : "69f7f6556fb1ac3189a79b40dda32f1f"_hex;
493 [ + - ]: 1 : s >> ser_params(addr);
494 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
495 [ + - + - : 2 : BOOST_CHECK(addr.IsTor());
+ - ]
496 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
497 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(),
+ - ]
498 : : "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion");
499 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
500 : :
501 : : // Invalid TORv3, with bogus length.
502 [ + - ]: 1 : s << "04" // network type (TORv3)
503 : : "00" // address length
504 : 1 : "00"_hex; // address
505 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
506 : : HasReason("BIP155 TORv3 address with length 0 (should be 32)"));
507 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
508 [ + - ]: 1 : s.clear();
509 : :
510 : : // Valid I2P.
511 [ + - ]: 1 : s << "05" // network type (I2P)
512 : : "20" // address length
513 : : "a2894dabaec08c0051a481a6dac88b64" // address
514 : 1 : "f98232ae42d4b6fd2fa81952dfe36a87"_hex;
515 [ + - ]: 1 : s >> ser_params(addr);
516 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
517 [ + - + - : 2 : BOOST_CHECK(addr.IsI2P());
+ - ]
518 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
519 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(),
+ - ]
520 : : "ukeu3k5oycgaauneqgtnvselmt4yemvoilkln7jpvamvfx7dnkdq.b32.i2p");
521 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
522 : :
523 : : // Invalid I2P, with bogus length.
524 [ + - ]: 1 : s << "05" // network type (I2P)
525 : : "03" // address length
526 : 1 : "00"_hex; // address
527 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
528 : : HasReason("BIP155 I2P address with length 3 (should be 32)"));
529 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
530 [ + - ]: 1 : s.clear();
531 : :
532 : : // Valid CJDNS.
533 [ + - ]: 1 : s << "06" // network type (CJDNS)
534 : : "10" // address length
535 : 1 : "fc000001000200030004000500060007"_hex; // address
536 [ + - ]: 1 : s >> ser_params(addr);
537 [ + - + - : 2 : BOOST_CHECK(addr.IsValid());
+ - + - ]
538 [ + - + - : 2 : BOOST_CHECK(addr.IsCJDNS());
+ - ]
539 [ + - + - : 2 : BOOST_CHECK(!addr.IsAddrV1Compatible());
+ - + - ]
540 [ + - + - : 1 : BOOST_CHECK_EQUAL(addr.ToStringAddr(), "fc00:1:2:3:4:5:6:7");
+ - ]
541 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
542 : :
543 : : // Invalid CJDNS, wrong prefix.
544 [ + - ]: 1 : s << "06" // network type (CJDNS)
545 : : "10" // address length
546 : 1 : "aa000001000200030004000500060007"_hex; // address
547 [ + - ]: 1 : s >> ser_params(addr);
548 [ + - + - : 2 : BOOST_CHECK(addr.IsCJDNS());
+ - ]
549 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
550 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
551 : :
552 : : // Invalid CJDNS, with bogus length.
553 [ + - ]: 1 : s << "06" // network type (CJDNS)
554 : : "01" // address length
555 : 1 : "00"_hex; // address
556 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
557 : : HasReason("BIP155 CJDNS address with length 1 (should be 16)"));
558 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
559 [ + - ]: 1 : s.clear();
560 : :
561 : : // Unknown, with extreme length.
562 [ + - ]: 1 : s << "aa" // network type (unknown)
563 : : "fe00000002" // address length (CompactSize's MAX_SIZE)
564 : 1 : "01020304050607"_hex; // address
565 [ + - - + : 2 : BOOST_CHECK_EXCEPTION(s >> ser_params(addr), std::ios_base::failure,
- - - - -
+ + - + -
+ - ]
566 : : HasReason("Address too long: 33554432 > 512"));
567 [ + - + - : 2 : BOOST_REQUIRE(!s.empty()); // The stream is not consumed on invalid input.
+ - ]
568 [ + - ]: 1 : s.clear();
569 : :
570 : : // Unknown, with reasonable length.
571 [ + - ]: 1 : s << "aa" // network type (unknown)
572 : : "04" // address length
573 : 1 : "01020304"_hex; // address
574 [ + - ]: 1 : s >> ser_params(addr);
575 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
576 [ + - + - : 2 : BOOST_REQUIRE(s.empty());
+ - ]
577 : :
578 : : // Unknown, with zero length.
579 [ + - ]: 1 : s << "aa" // network type (unknown)
580 : : "00" // address length
581 : 1 : ""_hex; // address
582 [ + - ]: 1 : s >> ser_params(addr);
583 [ + - + - : 2 : BOOST_CHECK(!addr.IsValid());
+ - + - ]
584 [ + - + - ]: 2 : BOOST_REQUIRE(s.empty());
585 : 1 : }
586 : :
587 : : // prior to PR #14728, this test triggers an undefined behavior
588 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(ipv4_peer_with_ipv6_addrMe_test)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
589 : : {
590 : : // set up local addresses; all that's necessary to reproduce the bug is
591 : : // that a normal IPv4 address is among the entries, but if this address is
592 : : // !IsRoutable the undefined behavior is easier to trigger deterministically
593 : 1 : in_addr raw_addr;
594 : 1 : raw_addr.s_addr = htonl(0x7f000001);
595 : 1 : const CNetAddr mapLocalHost_entry = CNetAddr(raw_addr);
596 : 1 : {
597 [ + - ]: 1 : LOCK(g_maplocalhost_mutex);
598 : 1 : LocalServiceInfo lsi;
599 : 1 : lsi.nScore = 23;
600 : 1 : lsi.nPort = 42;
601 [ + - + - ]: 1 : mapLocalHost[mapLocalHost_entry] = lsi;
602 : 0 : }
603 : :
604 : : // create a peer with an IPv4 address
605 : 1 : in_addr ipv4AddrPeer;
606 : 1 : ipv4AddrPeer.s_addr = 0xa0b0c001;
607 [ + - ]: 1 : CAddress addr = CAddress(CService(ipv4AddrPeer, 7777), NODE_NETWORK);
608 : 2 : std::unique_ptr<CNode> pnode = std::make_unique<CNode>(/*id=*/0,
609 : 1 : /*sock=*/nullptr,
610 : : addr,
611 : 1 : /*nKeyedNetGroupIn=*/0,
612 : 1 : /*nLocalHostNonceIn=*/0,
613 : 1 : CAddress{},
614 [ + - ]: 1 : /*pszDest=*/std::string{},
615 : 1 : ConnectionType::OUTBOUND_FULL_RELAY,
616 [ + - + - ]: 1 : /*inbound_onion=*/false);
617 [ + - ]: 1 : pnode->fSuccessfullyConnected.store(true);
618 : :
619 : : // the peer claims to be reaching us via IPv6
620 : 1 : in6_addr ipv6AddrLocal;
621 [ + - ]: 1 : memset(ipv6AddrLocal.s6_addr, 0, 16);
622 : 1 : ipv6AddrLocal.s6_addr[0] = 0xcc;
623 [ + - ]: 1 : CAddress addrLocal = CAddress(CService(ipv6AddrLocal, 7777), NODE_NETWORK);
624 [ + - ]: 1 : pnode->SetAddrLocal(addrLocal);
625 : :
626 : : // before patch, this causes undefined behavior detectable with clang's -fsanitize=memory
627 [ + - ]: 1 : GetLocalAddrForPeer(*pnode);
628 : :
629 : : // suppress no-checks-run warning; if this test fails, it's by triggering a sanitizer
630 [ + - + - : 2 : BOOST_CHECK(1);
+ - ]
631 : :
632 : : // Cleanup, so that we don't confuse other tests.
633 : 1 : {
634 [ + - ]: 1 : LOCK(g_maplocalhost_mutex);
635 [ + - + - ]: 1 : mapLocalHost.erase(mapLocalHost_entry);
636 : 1 : }
637 : 1 : }
638 : :
639 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(get_local_addr_for_peer_port)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
640 : : {
641 : : // Test that GetLocalAddrForPeer() properly selects the address to self-advertise:
642 : : //
643 : : // 1. GetLocalAddrForPeer() calls GetLocalAddress() which returns an address that is
644 : : // not routable.
645 : : // 2. GetLocalAddrForPeer() overrides the address with whatever the peer has told us
646 : : // he sees us as.
647 : : // 2.1. For inbound connections we must override both the address and the port.
648 : : // 2.2. For outbound connections we must override only the address.
649 : :
650 : : // Pretend that we bound to this port.
651 : 1 : const uint16_t bind_port = 20001;
652 [ + - + - ]: 2 : m_node.args->ForceSetArg("-bind", strprintf("3.4.5.6:%u", bind_port));
653 : :
654 : : // Our address:port as seen from the peer, completely different from the above.
655 : 1 : in_addr peer_us_addr;
656 : 1 : peer_us_addr.s_addr = htonl(0x02030405);
657 : 1 : const CService peer_us{peer_us_addr, 20002};
658 : :
659 : : // Create a peer with a routable IPv4 address (outbound).
660 : 1 : in_addr peer_out_in_addr;
661 : 1 : peer_out_in_addr.s_addr = htonl(0x01020304);
662 [ + - ]: 1 : CNode peer_out{/*id=*/0,
663 : : /*sock=*/nullptr,
664 [ - + ]: 2 : /*addrIn=*/CAddress{CService{peer_out_in_addr, 8333}, NODE_NETWORK},
665 : : /*nKeyedNetGroupIn=*/0,
666 : : /*nLocalHostNonceIn=*/0,
667 [ + - ]: 2 : /*addrBindIn=*/CService{},
668 : 1 : /*addrNameIn=*/std::string{},
669 : : /*conn_type_in=*/ConnectionType::OUTBOUND_FULL_RELAY,
670 [ + - ]: 2 : /*inbound_onion=*/false};
671 [ + - ]: 1 : peer_out.fSuccessfullyConnected = true;
672 [ + - ]: 1 : peer_out.SetAddrLocal(peer_us);
673 : :
674 : : // Without the fix peer_us:8333 is chosen instead of the proper peer_us:bind_port.
675 [ + - ]: 1 : auto chosen_local_addr = GetLocalAddrForPeer(peer_out);
676 [ + - + - : 2 : BOOST_REQUIRE(chosen_local_addr);
+ - ]
677 [ + - ]: 1 : const CService expected{peer_us_addr, bind_port};
678 [ + - + - : 2 : BOOST_CHECK(*chosen_local_addr == expected);
+ - + - ]
679 : :
680 : : // Create a peer with a routable IPv4 address (inbound).
681 : 1 : in_addr peer_in_in_addr;
682 : 1 : peer_in_in_addr.s_addr = htonl(0x05060708);
683 [ + - ]: 1 : CNode peer_in{/*id=*/0,
684 : : /*sock=*/nullptr,
685 [ - + ]: 2 : /*addrIn=*/CAddress{CService{peer_in_in_addr, 8333}, NODE_NETWORK},
686 : : /*nKeyedNetGroupIn=*/0,
687 : : /*nLocalHostNonceIn=*/0,
688 [ + - ]: 2 : /*addrBindIn=*/CService{},
689 : 1 : /*addrNameIn=*/std::string{},
690 : : /*conn_type_in=*/ConnectionType::INBOUND,
691 [ + - ]: 2 : /*inbound_onion=*/false};
692 [ + - ]: 1 : peer_in.fSuccessfullyConnected = true;
693 [ + - ]: 1 : peer_in.SetAddrLocal(peer_us);
694 : :
695 : : // Without the fix peer_us:8333 is chosen instead of the proper peer_us:peer_us.GetPort().
696 [ + - ]: 2 : chosen_local_addr = GetLocalAddrForPeer(peer_in);
697 [ + - + - : 2 : BOOST_REQUIRE(chosen_local_addr);
+ - ]
698 [ + - + - : 2 : BOOST_CHECK(*chosen_local_addr == peer_us);
+ - + - ]
699 : :
700 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", "");
+ - ]
701 [ + - + - ]: 3 : }
702 : :
703 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_Network)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
704 : : {
705 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV4));
706 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV6));
707 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_ONION));
708 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_I2P));
709 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_CJDNS));
710 : :
711 : 1 : g_reachable_nets.Remove(NET_IPV4);
712 : 1 : g_reachable_nets.Remove(NET_IPV6);
713 : 1 : g_reachable_nets.Remove(NET_ONION);
714 : 1 : g_reachable_nets.Remove(NET_I2P);
715 : 1 : g_reachable_nets.Remove(NET_CJDNS);
716 : :
717 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_IPV4));
718 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_IPV6));
719 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_ONION));
720 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_I2P));
721 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_CJDNS));
722 : :
723 : 1 : g_reachable_nets.Add(NET_IPV4);
724 : 1 : g_reachable_nets.Add(NET_IPV6);
725 : 1 : g_reachable_nets.Add(NET_ONION);
726 : 1 : g_reachable_nets.Add(NET_I2P);
727 : 1 : g_reachable_nets.Add(NET_CJDNS);
728 : :
729 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV4));
730 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_IPV6));
731 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_ONION));
732 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_I2P));
733 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_CJDNS));
734 : 1 : }
735 : :
736 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_NetworkCaseUnroutableAndInternal)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
737 : : {
738 : : // Should be reachable by default.
739 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_UNROUTABLE));
740 [ + - + - ]: 2 : BOOST_CHECK(g_reachable_nets.Contains(NET_INTERNAL));
741 : :
742 : 1 : g_reachable_nets.RemoveAll();
743 : :
744 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_UNROUTABLE));
745 [ + - + - ]: 2 : BOOST_CHECK(!g_reachable_nets.Contains(NET_INTERNAL));
746 : :
747 : 1 : g_reachable_nets.Add(NET_IPV4);
748 : 1 : g_reachable_nets.Add(NET_IPV6);
749 : 1 : g_reachable_nets.Add(NET_ONION);
750 : 1 : g_reachable_nets.Add(NET_I2P);
751 : 1 : g_reachable_nets.Add(NET_CJDNS);
752 : 1 : g_reachable_nets.Add(NET_UNROUTABLE);
753 : 1 : g_reachable_nets.Add(NET_INTERNAL);
754 : 1 : }
755 : :
756 : 2 : CNetAddr UtilBuildAddress(unsigned char p1, unsigned char p2, unsigned char p3, unsigned char p4)
757 : : {
758 : 2 : unsigned char ip[] = {p1, p2, p3, p4};
759 : :
760 : 2 : struct sockaddr_in sa;
761 : 2 : memset(&sa, 0, sizeof(sockaddr_in)); // initialize the memory block
762 : 2 : memcpy(&(sa.sin_addr), &ip, sizeof(ip));
763 : 2 : return CNetAddr(sa.sin_addr);
764 : : }
765 : :
766 : :
767 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LimitedAndReachable_CNetAddr)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
768 : : {
769 : 1 : CNetAddr addr = UtilBuildAddress(0x001, 0x001, 0x001, 0x001); // 1.1.1.1
770 : :
771 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4);
772 [ + - + - : 2 : BOOST_CHECK(g_reachable_nets.Contains(addr));
+ - + - ]
773 : :
774 [ + - ]: 1 : g_reachable_nets.Remove(NET_IPV4);
775 [ + - + - : 2 : BOOST_CHECK(!g_reachable_nets.Contains(addr));
+ - + - ]
776 : :
777 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4); // have to reset this, because this is stateful.
778 : 1 : }
779 : :
780 : :
781 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(LocalAddress_BasicLifecycle)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
782 : : {
783 [ + - ]: 1 : CService addr = CService(UtilBuildAddress(0x002, 0x001, 0x001, 0x001), 1000); // 2.1.1.1:1000
784 : :
785 [ + - ]: 1 : g_reachable_nets.Add(NET_IPV4);
786 : :
787 [ + - + - : 2 : BOOST_CHECK(!IsLocal(addr));
+ - + - ]
788 [ + - + - : 2 : BOOST_CHECK(AddLocal(addr, 1000));
+ - + - ]
789 [ + - + - : 2 : BOOST_CHECK(IsLocal(addr));
+ - + - ]
790 : :
791 [ + - ]: 1 : RemoveLocal(addr);
792 [ + - + - : 2 : BOOST_CHECK(!IsLocal(addr));
+ - ]
793 : 1 : }
794 : :
795 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(initial_advertise_from_version_message)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
796 : : {
797 : 1 : LOCK(NetEventsInterface::g_msgproc_mutex);
798 : :
799 : : // Tests the following scenario:
800 : : // * -bind=3.4.5.6:20001 is specified
801 : : // * we make an outbound connection to a peer
802 : : // * the peer reports he sees us as 2.3.4.5:20002 in the version message
803 : : // (20002 is a random port assigned by our OS for the outgoing TCP connection,
804 : : // we cannot accept connections to it)
805 : : // * we should self-advertise to that peer as 2.3.4.5:20001
806 : :
807 : : // Pretend that we bound to this port.
808 : 1 : const uint16_t bind_port = 20001;
809 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", strprintf("3.4.5.6:%u", bind_port));
+ - ]
810 [ + - + - : 2 : m_node.args->ForceSetArg("-capturemessages", "1");
+ - ]
811 : :
812 : : // Our address:port as seen from the peer - 2.3.4.5:20002 (different from the above).
813 : 1 : in_addr peer_us_addr;
814 : 1 : peer_us_addr.s_addr = htonl(0x02030405);
815 [ + - ]: 1 : const CService peer_us{peer_us_addr, 20002};
816 : :
817 : : // Create a peer with a routable IPv4 address.
818 : 1 : in_addr peer_in_addr;
819 : 1 : peer_in_addr.s_addr = htonl(0x01020304);
820 [ + - ]: 1 : CNode peer{/*id=*/0,
821 : : /*sock=*/nullptr,
822 [ - + ]: 2 : /*addrIn=*/CAddress{CService{peer_in_addr, 8333}, NODE_NETWORK},
823 : : /*nKeyedNetGroupIn=*/0,
824 : : /*nLocalHostNonceIn=*/0,
825 [ + - ]: 2 : /*addrBindIn=*/CService{},
826 : 1 : /*addrNameIn=*/std::string{},
827 : : /*conn_type_in=*/ConnectionType::OUTBOUND_FULL_RELAY,
828 [ + - ]: 2 : /*inbound_onion=*/false};
829 : :
830 : 1 : const uint64_t services{NODE_NETWORK | NODE_WITNESS};
831 : 1 : const int64_t time{0};
832 : :
833 : : // Force ChainstateManager::IsInitialBlockDownload() to return false.
834 : : // Otherwise PushAddress() isn't called by PeerManager::ProcessMessage().
835 [ + - ]: 1 : auto& chainman = static_cast<TestChainstateManager&>(*m_node.chainman);
836 [ + - ]: 1 : chainman.JumpOutOfIbd();
837 : :
838 [ + - ]: 1 : m_node.peerman->InitializeNode(peer, NODE_NETWORK);
839 : :
840 : 1 : std::atomic<bool> interrupt_dummy{false};
841 : 1 : std::chrono::microseconds time_received_dummy{0};
842 : :
843 [ + - ]: 1 : const auto msg_version =
844 [ + - + - ]: 1 : NetMsg::Make(NetMsgType::VERSION, PROTOCOL_VERSION, services, time, services, CAddress::V1_NETWORK(peer_us));
845 [ + - ]: 1 : DataStream msg_version_stream{msg_version.data};
846 : :
847 [ + - + - ]: 1 : m_node.peerman->ProcessMessage(
848 : : peer, NetMsgType::VERSION, msg_version_stream, time_received_dummy, interrupt_dummy);
849 : :
850 [ + - + - ]: 1 : const auto msg_verack = NetMsg::Make(NetMsgType::VERACK);
851 [ + - ]: 1 : DataStream msg_verack_stream{msg_verack.data};
852 : :
853 : : // Will set peer.fSuccessfullyConnected to true (necessary in SendMessages()).
854 [ + - + - ]: 1 : m_node.peerman->ProcessMessage(
855 : : peer, NetMsgType::VERACK, msg_verack_stream, time_received_dummy, interrupt_dummy);
856 : :
857 : : // Ensure that peer_us_addr:bind_port is sent to the peer.
858 [ + - ]: 1 : const CService expected{peer_us_addr, bind_port};
859 : 1 : bool sent{false};
860 : :
861 [ + - ]: 1 : const auto CaptureMessageOrig = CaptureMessage;
862 : 6 : CaptureMessage = [&sent, &expected](const CAddress& addr,
863 : : const std::string& msg_type,
864 : : Span<const unsigned char> data,
865 : : bool is_incoming) -> void {
866 [ + - + + ]: 5 : if (!is_incoming && msg_type == "addr") {
867 : 1 : DataStream s{data};
868 : 1 : std::vector<CAddress> addresses;
869 : :
870 [ + - ]: 1 : s >> CAddress::V1_NETWORK(addresses);
871 : :
872 [ + - ]: 1 : for (const auto& addr : addresses) {
873 [ + - + - ]: 1 : if (addr == expected) {
874 : 1 : sent = true;
875 : 1 : return;
876 : : }
877 : : }
878 : 1 : }
879 : 1 : };
880 : :
881 [ + - ]: 1 : m_node.peerman->SendMessages(&peer);
882 : :
883 [ + - + - : 2 : BOOST_CHECK(sent);
+ - ]
884 : :
885 [ + - ]: 1 : CaptureMessage = CaptureMessageOrig;
886 [ + - ]: 1 : chainman.ResetIbd();
887 [ + - + - : 2 : m_node.args->ForceSetArg("-capturemessages", "0");
+ - ]
888 [ + - + - : 2 : m_node.args->ForceSetArg("-bind", "");
+ - ]
889 [ + - + - ]: 5 : }
890 : :
891 : :
892 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(advertise_local_address)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
893 : : {
894 : 8 : auto CreatePeer = [](const CAddress& addr) {
895 : 14 : return std::make_unique<CNode>(/*id=*/0,
896 : 7 : /*sock=*/nullptr,
897 : : addr,
898 : 7 : /*nKeyedNetGroupIn=*/0,
899 : 7 : /*nLocalHostNonceIn=*/0,
900 : 7 : CAddress{},
901 [ + - ]: 7 : /*pszDest=*/std::string{},
902 : 7 : ConnectionType::OUTBOUND_FULL_RELAY,
903 [ + - + - ]: 14 : /*inbound_onion=*/false);
904 : : };
905 : 1 : g_reachable_nets.Add(NET_CJDNS);
906 : :
907 [ + - + - ]: 2 : CAddress addr_ipv4{Lookup("1.2.3.4", 8333, false).value(), NODE_NONE};
908 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv4.IsValid());
+ - + - ]
909 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv4.IsIPv4());
+ - ]
910 : :
911 [ + - + - : 2 : CAddress addr_ipv6{Lookup("1122:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
912 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6.IsValid());
+ - + - ]
913 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6.IsIPv6());
+ - ]
914 : :
915 [ + - + - : 2 : CAddress addr_ipv6_tunnel{Lookup("2002:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
916 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsValid());
+ - + - ]
917 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsIPv6());
+ - ]
918 [ + - + - : 2 : BOOST_REQUIRE(addr_ipv6_tunnel.IsRFC3964());
+ - + - ]
919 : :
920 [ + - + - : 2 : CAddress addr_teredo{Lookup("2001:0000:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - ]
921 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsValid());
+ - + - ]
922 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsIPv6());
+ - ]
923 [ + - + - : 2 : BOOST_REQUIRE(addr_teredo.IsRFC4380());
+ - + - ]
924 : :
925 [ + - ]: 1 : CAddress addr_onion;
926 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.SetSpecial("pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"));
+ - + - +
- ]
927 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.IsValid());
+ - + - ]
928 [ + - + - : 2 : BOOST_REQUIRE(addr_onion.IsTor());
+ - ]
929 : :
930 [ + - ]: 1 : CAddress addr_i2p;
931 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p"));
+ - + - +
- ]
932 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.IsValid());
+ - + - ]
933 [ + - + - : 2 : BOOST_REQUIRE(addr_i2p.IsI2P());
+ - ]
934 : :
935 [ + - + - : 3 : CService service_cjdns{Lookup("fc00:3344:5566:7788:9900:aabb:ccdd:eeff", 8333, false).value(), NODE_NONE};
+ - + - ]
936 [ + - ]: 1 : CAddress addr_cjdns{MaybeFlipIPv6toCJDNS(service_cjdns), NODE_NONE};
937 [ + - + - : 2 : BOOST_REQUIRE(addr_cjdns.IsValid());
+ - + - ]
938 [ + - + - : 2 : BOOST_REQUIRE(addr_cjdns.IsCJDNS());
+ - ]
939 : :
940 [ + - ]: 1 : const auto peer_ipv4{CreatePeer(addr_ipv4)};
941 [ + - ]: 1 : const auto peer_ipv6{CreatePeer(addr_ipv6)};
942 [ + - ]: 1 : const auto peer_ipv6_tunnel{CreatePeer(addr_ipv6_tunnel)};
943 [ + - ]: 1 : const auto peer_teredo{CreatePeer(addr_teredo)};
944 [ + - ]: 1 : const auto peer_onion{CreatePeer(addr_onion)};
945 [ + - ]: 1 : const auto peer_i2p{CreatePeer(addr_i2p)};
946 [ + - ]: 1 : const auto peer_cjdns{CreatePeer(addr_cjdns)};
947 : :
948 : : // one local clearnet address - advertise to all but privacy peers
949 [ + - ]: 1 : AddLocal(addr_ipv4);
950 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv4) == addr_ipv4);
+ - + - +
- ]
951 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6) == addr_ipv4);
+ - + - +
- ]
952 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6_tunnel) == addr_ipv4);
+ - + - +
- ]
953 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_teredo) == addr_ipv4);
+ - + - +
- ]
954 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_cjdns) == addr_ipv4);
+ - + - +
- ]
955 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_onion).IsValid());
+ - + - +
- ]
956 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_i2p).IsValid());
+ - + - +
- ]
957 [ + - ]: 1 : RemoveLocal(addr_ipv4);
958 : :
959 : : // local privacy addresses - don't advertise to clearnet peers
960 [ + - ]: 1 : AddLocal(addr_onion);
961 [ + - ]: 1 : AddLocal(addr_i2p);
962 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv4).IsValid());
+ - + - +
- ]
963 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv6).IsValid());
+ - + - +
- ]
964 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_ipv6_tunnel).IsValid());
+ - + - +
- ]
965 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_teredo).IsValid());
+ - + - +
- ]
966 [ + - + - : 2 : BOOST_CHECK(!GetLocalAddress(*peer_cjdns).IsValid());
+ - + - +
- ]
967 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_onion) == addr_onion);
+ - + - +
- ]
968 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_i2p) == addr_i2p);
+ - + - +
- ]
969 [ + - ]: 1 : RemoveLocal(addr_onion);
970 [ + - ]: 1 : RemoveLocal(addr_i2p);
971 : :
972 : : // local addresses from all networks
973 [ + - ]: 1 : AddLocal(addr_ipv4);
974 [ + - ]: 1 : AddLocal(addr_ipv6);
975 [ + - ]: 1 : AddLocal(addr_ipv6_tunnel);
976 [ + - ]: 1 : AddLocal(addr_teredo);
977 [ + - ]: 1 : AddLocal(addr_onion);
978 [ + - ]: 1 : AddLocal(addr_i2p);
979 [ + - ]: 1 : AddLocal(addr_cjdns);
980 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv4) == addr_ipv4);
+ - + - +
- ]
981 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6) == addr_ipv6);
+ - + - +
- ]
982 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_ipv6_tunnel) == addr_ipv6);
+ - + - +
- ]
983 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_teredo) == addr_ipv4);
+ - + - +
- ]
984 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_onion) == addr_onion);
+ - + - +
- ]
985 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_i2p) == addr_i2p);
+ - + - +
- ]
986 [ + - + - : 2 : BOOST_CHECK(GetLocalAddress(*peer_cjdns) == addr_cjdns);
+ - + - +
- ]
987 [ + - ]: 1 : RemoveLocal(addr_ipv4);
988 [ + - ]: 1 : RemoveLocal(addr_ipv6);
989 [ + - ]: 1 : RemoveLocal(addr_ipv6_tunnel);
990 [ + - ]: 1 : RemoveLocal(addr_teredo);
991 [ + - ]: 1 : RemoveLocal(addr_onion);
992 [ + - ]: 1 : RemoveLocal(addr_i2p);
993 [ + - ]: 1 : RemoveLocal(addr_cjdns);
994 : 1 : }
995 : :
996 : : namespace {
997 : :
998 : 75 : CKey GenerateRandomTestKey(FastRandomContext& rng) noexcept
999 : : {
1000 : 75 : CKey key;
1001 : 75 : uint256 key_data = rng.rand256();
1002 : 75 : key.Set(key_data.begin(), key_data.end(), true);
1003 : 75 : return key;
1004 : : }
1005 : :
1006 : : /** A class for scenario-based tests of V2Transport
1007 : : *
1008 : : * Each V2TransportTester encapsulates a V2Transport (the one being tested), and can be told to
1009 : : * interact with it. To do so, it also encapsulates a BIP324Cipher to act as the other side. A
1010 : : * second V2Transport is not used, as doing so would not permit scenarios that involve sending
1011 : : * invalid data, or ones using BIP324 features that are not implemented on the sending
1012 : : * side (like decoy packets).
1013 : : */
1014 : : class V2TransportTester
1015 : : {
1016 : : FastRandomContext& m_rng;
1017 : : V2Transport m_transport; //!< V2Transport being tested
1018 : : BIP324Cipher m_cipher; //!< Cipher to help with the other side
1019 : : bool m_test_initiator; //!< Whether m_transport is the initiator (true) or responder (false)
1020 : :
1021 : : std::vector<uint8_t> m_sent_garbage; //!< The garbage we've sent to m_transport.
1022 : : std::vector<uint8_t> m_recv_garbage; //!< The garbage we've received from m_transport.
1023 : : std::vector<uint8_t> m_to_send; //!< Bytes we have queued up to send to m_transport.
1024 : : std::vector<uint8_t> m_received; //!< Bytes we have received from m_transport.
1025 : : std::deque<CSerializedNetMsg> m_msg_to_send; //!< Messages to be sent *by* m_transport to us.
1026 : : bool m_sent_aad{false};
1027 : :
1028 : : public:
1029 : : /** Construct a tester object. test_initiator: whether the tested transport is initiator. */
1030 : 75 : explicit V2TransportTester(FastRandomContext& rng, bool test_initiator)
1031 : 75 : : m_rng{rng},
1032 : 75 : m_transport{0, test_initiator},
1033 : 75 : m_cipher{GenerateRandomTestKey(m_rng), MakeByteSpan(m_rng.rand256())},
1034 [ + - ]: 75 : m_test_initiator(test_initiator) {}
1035 : :
1036 : : /** Data type returned by Interact:
1037 : : *
1038 : : * - std::nullopt: transport error occurred
1039 : : * - otherwise: a vector of
1040 : : * - std::nullopt: invalid message received
1041 : : * - otherwise: a CNetMessage retrieved
1042 : : */
1043 : : using InteractResult = std::optional<std::vector<std::optional<CNetMessage>>>;
1044 : :
1045 : : /** Send/receive scheduled/available bytes and messages.
1046 : : *
1047 : : * This is the only function that interacts with the transport being tested; everything else is
1048 : : * scheduling things done by Interact(), or processing things learned by it.
1049 : : */
1050 : 239 : InteractResult Interact()
1051 : : {
1052 : 239 : std::vector<std::optional<CNetMessage>> ret;
1053 : 2976 : while (true) {
1054 : 2976 : bool progress{false};
1055 : : // Send bytes from m_to_send to the transport.
1056 [ + + ]: 2976 : if (!m_to_send.empty()) {
1057 : 2267 : Span<const uint8_t> to_send = Span{m_to_send}.first(1 + m_rng.randrange(m_to_send.size()));
1058 : 2267 : size_t old_len = to_send.size();
1059 [ + + ]: 2267 : if (!m_transport.ReceivedBytes(to_send)) {
1060 : 23 : return std::nullopt; // transport error occurred
1061 : : }
1062 [ + + ]: 2244 : if (old_len != to_send.size()) {
1063 : 2155 : progress = true;
1064 : 2155 : m_to_send.erase(m_to_send.begin(), m_to_send.begin() + (old_len - to_send.size()));
1065 : : }
1066 : : }
1067 : : // Retrieve messages received by the transport.
1068 [ + + + + : 2953 : if (m_transport.ReceivedMessageComplete() && (!progress || m_rng.randbool())) {
+ + ]
1069 : 252 : bool reject{false};
1070 : 252 : auto msg = m_transport.GetReceivedMessage({}, reject);
1071 [ + + ]: 252 : if (reject) {
1072 [ + - ]: 61 : ret.emplace_back(std::nullopt);
1073 : : } else {
1074 [ + - ]: 191 : ret.emplace_back(std::move(msg));
1075 : : }
1076 : 252 : progress = true;
1077 : 252 : }
1078 : : // Enqueue a message to be sent by the transport to us.
1079 [ + + + - : 2953 : if (!m_msg_to_send.empty() && (!progress || m_rng.randbool())) {
+ + ]
1080 [ + - ]: 51 : if (m_transport.SetMessageToSend(m_msg_to_send.front())) {
1081 : 51 : m_msg_to_send.pop_front();
1082 : 51 : progress = true;
1083 : : }
1084 : : }
1085 : : // Receive bytes from the transport.
1086 [ + + ]: 2953 : const auto& [recv_bytes, _more, _msg_type] = m_transport.GetBytesToSend(!m_msg_to_send.empty());
1087 [ + + + + : 2953 : if (!recv_bytes.empty() && (!progress || m_rng.randbool())) {
+ + ]
1088 : 957 : size_t to_receive = 1 + m_rng.randrange(recv_bytes.size());
1089 [ + - ]: 957 : m_received.insert(m_received.end(), recv_bytes.begin(), recv_bytes.begin() + to_receive);
1090 : 957 : progress = true;
1091 : 957 : m_transport.MarkBytesSent(to_receive);
1092 : : }
1093 [ + + ]: 2953 : if (!progress) break;
1094 : : }
1095 : 216 : return ret;
1096 : 239 : }
1097 : :
1098 : : /** Expose the cipher. */
1099 : : BIP324Cipher& GetCipher() { return m_cipher; }
1100 : :
1101 : : /** Schedule bytes to be sent to the transport. */
1102 : 56589 : void Send(Span<const uint8_t> data)
1103 : : {
1104 : 56589 : m_to_send.insert(m_to_send.end(), data.begin(), data.end());
1105 : 56589 : }
1106 : :
1107 : : /** Send V1 version message header to the transport. */
1108 : 2 : void SendV1Version(const MessageStartChars& magic)
1109 : : {
1110 : 4 : CMessageHeader hdr(magic, "version", 126 + m_rng.randrange(11));
1111 : 2 : DataStream ser{};
1112 [ + - ]: 2 : ser << hdr;
1113 [ + - ]: 2 : m_to_send.insert(m_to_send.end(), UCharCast(ser.data()), UCharCast(ser.data() + ser.size()));
1114 : 2 : }
1115 : :
1116 : : /** Schedule bytes to be sent to the transport. */
1117 : 56516 : void Send(Span<const std::byte> data) { Send(MakeUCharSpan(data)); }
1118 : :
1119 : : /** Schedule our ellswift key to be sent to the transport. */
1120 : 73 : void SendKey() { Send(m_cipher.GetOurPubKey()); }
1121 : :
1122 : : /** Schedule specified garbage to be sent to the transport. */
1123 : 73 : void SendGarbage(Span<const uint8_t> garbage)
1124 : : {
1125 : : // Remember the specified garbage (so we can use it as AAD).
1126 : 73 : m_sent_garbage.assign(garbage.begin(), garbage.end());
1127 : : // Schedule it for sending.
1128 : 73 : Send(m_sent_garbage);
1129 : 73 : }
1130 : :
1131 : : /** Schedule garbage (of specified length) to be sent to the transport. */
1132 : 72 : void SendGarbage(size_t garbage_len)
1133 : : {
1134 : : // Generate random garbage and send it.
1135 [ + - ]: 72 : SendGarbage(m_rng.randbytes<uint8_t>(garbage_len));
1136 : 72 : }
1137 : :
1138 : : /** Schedule garbage (with valid random length) to be sent to the transport. */
1139 : 20 : void SendGarbage()
1140 : : {
1141 : 40 : SendGarbage(m_rng.randrange(V2Transport::MAX_GARBAGE_LEN + 1));
1142 : 20 : }
1143 : :
1144 : : /** Schedule a message to be sent to us by the transport. */
1145 : 51 : void AddMessage(std::string m_type, std::vector<uint8_t> payload)
1146 : : {
1147 : 51 : CSerializedNetMsg msg;
1148 : 51 : msg.m_type = std::move(m_type);
1149 : 51 : msg.data = std::move(payload);
1150 [ + - ]: 51 : m_msg_to_send.push_back(std::move(msg));
1151 : 51 : }
1152 : :
1153 : : /** Expect ellswift key to have been received from transport and process it.
1154 : : *
1155 : : * Many other V2TransportTester functions cannot be called until after ReceiveKey() has been
1156 : : * called, as no encryption keys are set up before that point.
1157 : : */
1158 : 73 : void ReceiveKey()
1159 : : {
1160 : : // When processing a key, enough bytes need to have been received already.
1161 [ + - ]: 146 : BOOST_REQUIRE(m_received.size() >= EllSwiftPubKey::size());
1162 : : // Initialize the cipher using it (acting as the opposite side of the tested transport).
1163 : 73 : m_cipher.Initialize(MakeByteSpan(m_received).first(EllSwiftPubKey::size()), !m_test_initiator);
1164 : : // Strip the processed bytes off the front of the receive buffer.
1165 : 73 : m_received.erase(m_received.begin(), m_received.begin() + EllSwiftPubKey::size());
1166 : 73 : }
1167 : :
1168 : : /** Schedule an encrypted packet with specified content/aad/ignore to be sent to transport
1169 : : * (only after ReceiveKey). */
1170 : 56370 : void SendPacket(Span<const uint8_t> content, Span<const uint8_t> aad = {}, bool ignore = false)
1171 : : {
1172 : : // Use cipher to construct ciphertext.
1173 : 56370 : std::vector<std::byte> ciphertext;
1174 [ + - ]: 56370 : ciphertext.resize(content.size() + BIP324Cipher::EXPANSION);
1175 : 56370 : m_cipher.Encrypt(
1176 : : /*contents=*/MakeByteSpan(content),
1177 : : /*aad=*/MakeByteSpan(aad),
1178 : : /*ignore=*/ignore,
1179 : : /*output=*/ciphertext);
1180 : : // Schedule it for sending.
1181 [ + - ]: 56370 : Send(ciphertext);
1182 : 56370 : }
1183 : :
1184 : : /** Schedule garbage terminator to be sent to the transport (only after ReceiveKey). */
1185 : 73 : void SendGarbageTerm()
1186 : : {
1187 : : // Schedule the garbage terminator to be sent.
1188 : 73 : Send(m_cipher.GetSendGarbageTerminator());
1189 : 73 : }
1190 : :
1191 : : /** Schedule version packet to be sent to the transport (only after ReceiveKey). */
1192 : 245 : void SendVersion(Span<const uint8_t> version_data = {}, bool vers_ignore = false)
1193 : : {
1194 : 245 : Span<const std::uint8_t> aad;
1195 : : // Set AAD to garbage only for first packet.
1196 [ + + ]: 245 : if (!m_sent_aad) aad = m_sent_garbage;
1197 : 245 : SendPacket(/*content=*/version_data, /*aad=*/aad, /*ignore=*/vers_ignore);
1198 : 245 : m_sent_aad = true;
1199 : 245 : }
1200 : :
1201 : : /** Expect a packet to have been received from transport, process it, and return its contents
1202 : : * (only after ReceiveKey). Decoys are skipped. Optional associated authenticated data (AAD) is
1203 : : * expected in the first received packet, no matter if that is a decoy or not. */
1204 : 122 : std::vector<uint8_t> ReceivePacket(Span<const std::byte> aad = {})
1205 : : {
1206 : 122 : std::vector<uint8_t> contents;
1207 : : // Loop as long as there are ignored packets that are to be skipped.
1208 : 122 : while (true) {
1209 : : // When processing a packet, at least enough bytes for its length descriptor must be received.
1210 [ + - + - ]: 244 : BOOST_REQUIRE(m_received.size() >= BIP324Cipher::LENGTH_LEN);
1211 : : // Decrypt the content length.
1212 : 122 : size_t size = m_cipher.DecryptLength(MakeByteSpan(Span{m_received}.first(BIP324Cipher::LENGTH_LEN)));
1213 : : // Check that the full packet is in the receive buffer.
1214 [ + - + - : 244 : BOOST_REQUIRE(m_received.size() >= size + BIP324Cipher::EXPANSION);
+ - ]
1215 : : // Decrypt the packet contents.
1216 [ + - ]: 122 : contents.resize(size);
1217 : 122 : bool ignore{false};
1218 : 244 : bool ret = m_cipher.Decrypt(
1219 : : /*input=*/MakeByteSpan(
1220 : 122 : Span{m_received}.first(size + BIP324Cipher::EXPANSION).subspan(BIP324Cipher::LENGTH_LEN)),
1221 : : /*aad=*/aad,
1222 : : /*ignore=*/ignore,
1223 : : /*contents=*/MakeWritableByteSpan(contents));
1224 [ + - + - ]: 244 : BOOST_CHECK(ret);
1225 : : // Don't expect AAD in further packets.
1226 : 122 : aad = {};
1227 : : // Strip the processed packet's bytes off the front of the receive buffer.
1228 : 122 : m_received.erase(m_received.begin(), m_received.begin() + size + BIP324Cipher::EXPANSION);
1229 : : // Stop if the ignore bit is not set on this packet.
1230 [ - + ]: 122 : if (!ignore) break;
1231 : : }
1232 : 122 : return contents;
1233 : 0 : }
1234 : :
1235 : : /** Expect garbage and garbage terminator to have been received, and process them (only after
1236 : : * ReceiveKey). */
1237 : 71 : void ReceiveGarbage()
1238 : : {
1239 : : // Figure out the garbage length.
1240 : 71 : size_t garblen;
1241 [ + - ]: 139388 : for (garblen = 0; garblen <= V2Transport::MAX_GARBAGE_LEN; ++garblen) {
1242 [ + - + + ]: 278776 : BOOST_REQUIRE(m_received.size() >= garblen + BIP324Cipher::GARBAGE_TERMINATOR_LEN);
1243 [ + + ]: 139388 : auto term_span = MakeByteSpan(Span{m_received}.subspan(garblen, BIP324Cipher::GARBAGE_TERMINATOR_LEN));
1244 [ + + ]: 139388 : if (std::ranges::equal(term_span, m_cipher.GetReceiveGarbageTerminator())) break;
1245 : : }
1246 : : // Copy the garbage to a buffer.
1247 : 71 : m_recv_garbage.assign(m_received.begin(), m_received.begin() + garblen);
1248 : : // Strip garbage + garbage terminator off the front of the receive buffer.
1249 : 71 : m_received.erase(m_received.begin(), m_received.begin() + garblen + BIP324Cipher::GARBAGE_TERMINATOR_LEN);
1250 : 71 : }
1251 : :
1252 : : /** Expect version packet to have been received, and process it (only after ReceiveKey). */
1253 : 71 : void ReceiveVersion()
1254 : : {
1255 : 71 : auto contents = ReceivePacket(/*aad=*/MakeByteSpan(m_recv_garbage));
1256 : : // Version packets from real BIP324 peers are expected to be empty, despite the fact that
1257 : : // this class supports *sending* non-empty version packets (to test that BIP324 peers
1258 : : // correctly ignore version packet contents).
1259 [ + - + - ]: 142 : BOOST_CHECK(contents.empty());
1260 : 71 : }
1261 : :
1262 : : /** Expect application packet to have been received, with specified short id and payload.
1263 : : * (only after ReceiveKey). */
1264 : 1 : void ReceiveMessage(uint8_t short_id, Span<const uint8_t> payload)
1265 : : {
1266 : 1 : auto ret = ReceivePacket();
1267 [ + - + - : 2 : BOOST_CHECK(ret.size() == payload.size() + 1);
+ - ]
1268 [ + - + - : 2 : BOOST_CHECK(ret[0] == short_id);
+ - ]
1269 [ + - + - ]: 2 : BOOST_CHECK(std::ranges::equal(Span{ret}.subspan(1), payload));
1270 : 1 : }
1271 : :
1272 : : /** Expect application packet to have been received, with specified 12-char message type and
1273 : : * payload (only after ReceiveKey). */
1274 : 50 : void ReceiveMessage(const std::string& m_type, Span<const uint8_t> payload)
1275 : : {
1276 : 50 : auto ret = ReceivePacket();
1277 [ + - + - : 100 : BOOST_REQUIRE(ret.size() == payload.size() + 1 + CMessageHeader::MESSAGE_TYPE_SIZE);
+ - ]
1278 [ + - + - ]: 100 : BOOST_CHECK(ret[0] == 0);
1279 [ + + ]: 650 : for (unsigned i = 0; i < 12; ++i) {
1280 [ + + ]: 600 : if (i < m_type.size()) {
1281 [ + - + - ]: 600 : BOOST_CHECK(ret[1 + i] == m_type[i]);
1282 : : } else {
1283 [ + - + - ]: 600 : BOOST_CHECK(ret[1 + i] == 0);
1284 : : }
1285 : : }
1286 [ + - + - ]: 100 : BOOST_CHECK(std::ranges::equal(Span{ret}.subspan(1 + CMessageHeader::MESSAGE_TYPE_SIZE), payload));
1287 : 50 : }
1288 : :
1289 : : /** Schedule an encrypted packet with specified message type and payload to be sent to
1290 : : * transport (only after ReceiveKey). */
1291 : 120 : void SendMessage(std::string mtype, Span<const uint8_t> payload)
1292 : : {
1293 : : // Construct contents consisting of 0x00 + 12-byte message type + payload.
1294 : 120 : std::vector<uint8_t> contents(1 + CMessageHeader::MESSAGE_TYPE_SIZE + payload.size());
1295 : 120 : std::copy(mtype.begin(), mtype.end(), reinterpret_cast<char*>(contents.data() + 1));
1296 : 120 : std::copy(payload.begin(), payload.end(), contents.begin() + 1 + CMessageHeader::MESSAGE_TYPE_SIZE);
1297 : : // Send a packet with that as contents.
1298 [ + - ]: 120 : SendPacket(contents);
1299 : 120 : }
1300 : :
1301 : : /** Schedule an encrypted packet with specified short message id and payload to be sent to
1302 : : * transport (only after ReceiveKey). */
1303 : 152 : void SendMessage(uint8_t short_id, Span<const uint8_t> payload)
1304 : : {
1305 : : // Construct contents consisting of short_id + payload.
1306 : 152 : std::vector<uint8_t> contents(1 + payload.size());
1307 : 152 : contents[0] = short_id;
1308 : 152 : std::copy(payload.begin(), payload.end(), contents.begin() + 1);
1309 : : // Send a packet with that as contents.
1310 [ + - ]: 152 : SendPacket(contents);
1311 : 152 : }
1312 : :
1313 : : /** Test whether the transport's session ID matches the session ID we expect. */
1314 : 71 : void CompareSessionIDs() const
1315 : : {
1316 : 71 : auto info = m_transport.GetInfo();
1317 [ + - ]: 142 : BOOST_CHECK(info.session_id);
1318 [ + - ]: 142 : BOOST_CHECK(uint256(MakeUCharSpan(m_cipher.GetSessionID())) == *info.session_id);
1319 : 71 : }
1320 : :
1321 : : /** Introduce a bit error in the data scheduled to be sent. */
1322 : 10 : void Damage()
1323 : : {
1324 : 20 : m_to_send[m_rng.randrange(m_to_send.size())] ^= (uint8_t{1} << m_rng.randrange(8));
1325 : 10 : }
1326 : : };
1327 : :
1328 : : } // namespace
1329 : :
1330 [ + - + - : 7 : BOOST_AUTO_TEST_CASE(v2transport_test)
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- ]
1331 : : {
1332 : : // A mostly normal scenario, testing a transport in initiator mode.
1333 [ + + ]: 11 : for (int i = 0; i < 10; ++i) {
1334 : 10 : V2TransportTester tester(m_rng, true);
1335 [ + - ]: 10 : auto ret = tester.Interact();
1336 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1337 [ + - ]: 10 : tester.SendKey();
1338 [ + - ]: 10 : tester.SendGarbage();
1339 [ + - ]: 10 : tester.ReceiveKey();
1340 [ + - ]: 10 : tester.SendGarbageTerm();
1341 [ + - ]: 10 : tester.SendVersion();
1342 [ + - ]: 20 : ret = tester.Interact();
1343 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1344 [ + - ]: 10 : tester.ReceiveGarbage();
1345 [ + - ]: 10 : tester.ReceiveVersion();
1346 [ + - ]: 10 : tester.CompareSessionIDs();
1347 : 10 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(100000));
1348 : 20 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1349 [ + - ]: 10 : tester.SendMessage(uint8_t(4), msg_data_1); // cmpctblock short id
1350 [ + - ]: 10 : tester.SendMessage(0, {}); // Invalidly encoded message
1351 [ + - + - ]: 10 : tester.SendMessage("tx", msg_data_2); // 12-character encoded message type
1352 [ + - ]: 20 : ret = tester.Interact();
1353 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->size() == 3);
- + + - +
- ]
1354 [ + - + - : 20 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "cmpctblock" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1355 [ + - + - : 20 : BOOST_CHECK(!(*ret)[1]);
+ - ]
1356 [ + - + - : 20 : BOOST_CHECK((*ret)[2] && (*ret)[2]->m_type == "tx" && std::ranges::equal((*ret)[2]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- + - ]
1357 : :
1358 : : // Then send a message with a bit error, expecting failure. It's possible this failure does
1359 : : // not occur immediately (when the length descriptor was modified), but it should come
1360 : : // eventually, and no messages can be delivered anymore.
1361 [ + - + - ]: 10 : tester.SendMessage("bad", msg_data_1);
1362 : 10 : tester.Damage();
1363 : 10 : while (true) {
1364 [ + - ]: 20 : ret = tester.Interact();
1365 [ - + ]: 10 : if (!ret) break; // failure
1366 [ # # # # ]: 0 : BOOST_CHECK(ret->size() == 0); // no message can be delivered
1367 : : // Send another message.
1368 : 0 : auto msg_data_3 = m_rng.randbytes<uint8_t>(m_rng.randrange(10000));
1369 [ # # ]: 0 : tester.SendMessage(uint8_t(12), msg_data_3); // getheaders short id
1370 : 0 : }
1371 : 10 : }
1372 : :
1373 : : // Normal scenario, with a transport in responder node.
1374 [ + + ]: 11 : for (int i = 0; i < 10; ++i) {
1375 : 10 : V2TransportTester tester(m_rng, false);
1376 [ + - ]: 10 : tester.SendKey();
1377 [ + - ]: 10 : tester.SendGarbage();
1378 [ + - ]: 10 : auto ret = tester.Interact();
1379 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1380 [ + - ]: 10 : tester.ReceiveKey();
1381 [ + - ]: 10 : tester.SendGarbageTerm();
1382 [ + - ]: 10 : tester.SendVersion();
1383 [ + - ]: 20 : ret = tester.Interact();
1384 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1385 [ + - ]: 10 : tester.ReceiveGarbage();
1386 [ + - ]: 10 : tester.ReceiveVersion();
1387 [ + - ]: 10 : tester.CompareSessionIDs();
1388 : 10 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(100000));
1389 : 20 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1390 [ + - ]: 10 : tester.SendMessage(uint8_t(14), msg_data_1); // inv short id
1391 [ + - ]: 10 : tester.SendMessage(uint8_t(19), msg_data_2); // pong short id
1392 [ + - ]: 20 : ret = tester.Interact();
1393 [ + - + - : 20 : BOOST_REQUIRE(ret && ret->size() == 2);
- + + - +
- ]
1394 [ + - + - : 20 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "inv" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1395 [ + - + - : 20 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "pong" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- ]
1396 : :
1397 : : // Then send a too-large message.
1398 : 10 : auto msg_data_3 = m_rng.randbytes<uint8_t>(4005000);
1399 [ + - ]: 10 : tester.SendMessage(uint8_t(11), msg_data_3); // getdata short id
1400 [ + - ]: 20 : ret = tester.Interact();
1401 [ + - + - ]: 20 : BOOST_CHECK(!ret);
1402 : 10 : }
1403 : :
1404 : : // Various valid but unusual scenarios.
1405 [ + + ]: 51 : for (int i = 0; i < 50; ++i) {
1406 : : /** Whether an initiator or responder is being tested. */
1407 : 50 : bool initiator = m_rng.randbool();
1408 : : /** Use either 0 bytes or the maximum possible (4095 bytes) garbage length. */
1409 [ + + ]: 50 : size_t garb_len = m_rng.randbool() ? 0 : V2Transport::MAX_GARBAGE_LEN;
1410 : : /** How many decoy packets to send before the version packet. */
1411 : 50 : unsigned num_ignore_version = m_rng.randrange(10);
1412 : : /** What data to send in the version packet (ignored by BIP324 peers, but reserved for future extensions). */
1413 [ + + ]: 76 : auto ver_data = m_rng.randbytes<uint8_t>(m_rng.randbool() ? 0 : m_rng.randrange(1000));
1414 : : /** Whether to immediately send key and garbage out (required for responders, optional otherwise). */
1415 [ + + + + ]: 50 : bool send_immediately = !initiator || m_rng.randbool();
1416 : : /** How many decoy packets to send before the first and second real message. */
1417 : 100 : unsigned num_decoys_1 = m_rng.randrange(1000), num_decoys_2 = m_rng.randrange(1000);
1418 [ + - ]: 50 : V2TransportTester tester(m_rng, initiator);
1419 [ + + ]: 50 : if (send_immediately) {
1420 [ + - ]: 34 : tester.SendKey();
1421 [ + - ]: 34 : tester.SendGarbage(garb_len);
1422 : : }
1423 [ + - ]: 50 : auto ret = tester.Interact();
1424 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
+ ]
1425 [ + + ]: 50 : if (!send_immediately) {
1426 [ + - ]: 16 : tester.SendKey();
1427 [ + - ]: 16 : tester.SendGarbage(garb_len);
1428 : : }
1429 [ + - ]: 50 : tester.ReceiveKey();
1430 [ + - ]: 50 : tester.SendGarbageTerm();
1431 [ + + ]: 224 : for (unsigned v = 0; v < num_ignore_version; ++v) {
1432 [ + + ]: 267 : size_t ver_ign_data_len = m_rng.randbool() ? 0 : m_rng.randrange(1000);
1433 : 174 : auto ver_ign_data = m_rng.randbytes<uint8_t>(ver_ign_data_len);
1434 [ + - ]: 174 : tester.SendVersion(ver_ign_data, true);
1435 : 174 : }
1436 [ + - ]: 50 : tester.SendVersion(ver_data, false);
1437 [ + - ]: 100 : ret = tester.Interact();
1438 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1439 [ + - ]: 50 : tester.ReceiveGarbage();
1440 [ + - ]: 50 : tester.ReceiveVersion();
1441 [ + - ]: 50 : tester.CompareSessionIDs();
1442 [ + + ]: 28861 : for (unsigned d = 0; d < num_decoys_1; ++d) {
1443 : 28811 : auto decoy_data = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1444 [ + - ]: 28811 : tester.SendPacket(/*content=*/decoy_data, /*aad=*/{}, /*ignore=*/true);
1445 : 28811 : }
1446 : 50 : auto msg_data_1 = m_rng.randbytes<uint8_t>(m_rng.randrange(4000000));
1447 [ + - ]: 50 : tester.SendMessage(uint8_t(28), msg_data_1);
1448 [ + + ]: 27092 : for (unsigned d = 0; d < num_decoys_2; ++d) {
1449 : 27042 : auto decoy_data = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1450 [ + - ]: 27042 : tester.SendPacket(/*content=*/decoy_data, /*aad=*/{}, /*ignore=*/true);
1451 : 27042 : }
1452 : 50 : auto msg_data_2 = m_rng.randbytes<uint8_t>(m_rng.randrange(1000));
1453 [ + - ]: 50 : tester.SendMessage(uint8_t(13), msg_data_2); // headers short id
1454 : : // Send invalidly-encoded message
1455 [ + - + - ]: 50 : tester.SendMessage(std::string("blocktxn\x00\x00\x00a", CMessageHeader::MESSAGE_TYPE_SIZE), {});
1456 [ + - + - ]: 50 : tester.SendMessage("foobar", {}); // test receiving unknown message type
1457 [ + - + - ]: 100 : tester.AddMessage("barfoo", {}); // test sending unknown message type
1458 [ + - ]: 100 : ret = tester.Interact();
1459 [ + - + - : 100 : BOOST_REQUIRE(ret && ret->size() == 4);
- + + - +
- ]
1460 [ + - + - : 100 : BOOST_CHECK((*ret)[0] && (*ret)[0]->m_type == "addrv2" && std::ranges::equal((*ret)[0]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1461 [ + - + - : 100 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "headers" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_2)));
+ - - + +
- + - ]
1462 [ + - + - : 100 : BOOST_CHECK(!(*ret)[2]);
+ - ]
1463 [ + - + - : 100 : BOOST_CHECK((*ret)[3] && (*ret)[3]->m_type == "foobar" && (*ret)[3]->m_recv.empty());
+ - - + +
- + - ]
1464 [ + - + - ]: 100 : tester.ReceiveMessage("barfoo", {});
1465 : 50 : }
1466 : :
1467 : : // Too long garbage (initiator).
1468 : 1 : {
1469 : 1 : V2TransportTester tester(m_rng, true);
1470 [ + - ]: 1 : auto ret = tester.Interact();
1471 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1472 [ + - ]: 1 : tester.SendKey();
1473 [ + - ]: 1 : tester.SendGarbage(V2Transport::MAX_GARBAGE_LEN + 1);
1474 [ + - ]: 1 : tester.ReceiveKey();
1475 [ + - ]: 1 : tester.SendGarbageTerm();
1476 [ + - ]: 2 : ret = tester.Interact();
1477 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1478 : 1 : }
1479 : :
1480 : : // Too long garbage (responder).
1481 : 1 : {
1482 : 1 : V2TransportTester tester(m_rng, false);
1483 [ + - ]: 1 : tester.SendKey();
1484 [ + - ]: 1 : tester.SendGarbage(V2Transport::MAX_GARBAGE_LEN + 1);
1485 [ + - ]: 1 : auto ret = tester.Interact();
1486 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1487 [ + - ]: 1 : tester.ReceiveKey();
1488 [ + - ]: 1 : tester.SendGarbageTerm();
1489 [ + - ]: 2 : ret = tester.Interact();
1490 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1491 : 1 : }
1492 : :
1493 : : // Send garbage that includes the first 15 garbage terminator bytes somewhere.
1494 : 1 : {
1495 : 1 : V2TransportTester tester(m_rng, true);
1496 [ + - ]: 1 : auto ret = tester.Interact();
1497 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1498 [ + - ]: 1 : tester.SendKey();
1499 [ + - ]: 1 : tester.ReceiveKey();
1500 : : /** The number of random garbage bytes before the included first 15 bytes of terminator. */
1501 : 1 : size_t len_before = m_rng.randrange(V2Transport::MAX_GARBAGE_LEN - 16 + 1);
1502 : : /** The number of random garbage bytes after it. */
1503 : 1 : size_t len_after = m_rng.randrange(V2Transport::MAX_GARBAGE_LEN - 16 - len_before + 1);
1504 : : // Construct len_before + 16 + len_after random bytes.
1505 : 1 : auto garbage = m_rng.randbytes<uint8_t>(len_before + 16 + len_after);
1506 : : // Replace the designed 16 bytes in the middle with the to-be-sent garbage terminator.
1507 : 1 : auto garb_term = MakeUCharSpan(tester.GetCipher().GetSendGarbageTerminator());
1508 : 1 : std::copy(garb_term.begin(), garb_term.begin() + 16, garbage.begin() + len_before);
1509 : : // Introduce a bit error in the last byte of that copied garbage terminator, making only
1510 : : // the first 15 of them match.
1511 [ + - ]: 2 : garbage[len_before + 15] ^= (uint8_t(1) << m_rng.randrange(8));
1512 [ + - ]: 1 : tester.SendGarbage(garbage);
1513 [ + - ]: 1 : tester.SendGarbageTerm();
1514 [ + - ]: 1 : tester.SendVersion();
1515 [ + - ]: 2 : ret = tester.Interact();
1516 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->empty());
- + + - +
- ]
1517 [ + - ]: 1 : tester.ReceiveGarbage();
1518 [ + - ]: 1 : tester.ReceiveVersion();
1519 [ + - ]: 1 : tester.CompareSessionIDs();
1520 : 1 : auto msg_data_1 = m_rng.randbytes<uint8_t>(4000000); // test that receiving 4M payload works
1521 : 1 : auto msg_data_2 = m_rng.randbytes<uint8_t>(4000000); // test that sending 4M payload works
1522 [ + - ]: 2 : tester.SendMessage(uint8_t(m_rng.randrange(223) + 33), {}); // unknown short id
1523 [ + - ]: 1 : tester.SendMessage(uint8_t(2), msg_data_1); // "block" short id
1524 [ + - + - : 2 : tester.AddMessage("blocktxn", msg_data_2); // schedule blocktxn to be sent to us
+ - ]
1525 [ + - ]: 2 : ret = tester.Interact();
1526 [ + - + - : 2 : BOOST_REQUIRE(ret && ret->size() == 2);
- + + - +
- ]
1527 [ + - + - : 2 : BOOST_CHECK(!(*ret)[0]);
+ - ]
1528 [ + - + - : 2 : BOOST_CHECK((*ret)[1] && (*ret)[1]->m_type == "block" && std::ranges::equal((*ret)[1]->m_recv, MakeByteSpan(msg_data_1)));
+ - - + +
- + - ]
1529 [ + - ]: 1 : tester.ReceiveMessage(uint8_t(3), msg_data_2); // "blocktxn" short id
1530 : 1 : }
1531 : :
1532 : : // Send correct network's V1 header
1533 : 1 : {
1534 : 1 : V2TransportTester tester(m_rng, false);
1535 [ + - + - ]: 1 : tester.SendV1Version(Params().MessageStart());
1536 [ + - ]: 1 : auto ret = tester.Interact();
1537 [ + - + - ]: 2 : BOOST_CHECK(ret);
1538 : 1 : }
1539 : :
1540 : : // Send wrong network's V1 header
1541 : 1 : {
1542 : 1 : V2TransportTester tester(m_rng, false);
1543 [ + - + - ]: 1 : tester.SendV1Version(CChainParams::Main()->MessageStart());
1544 [ + - ]: 1 : auto ret = tester.Interact();
1545 [ + - + - ]: 2 : BOOST_CHECK(!ret);
1546 : 1 : }
1547 : 1 : }
1548 : :
1549 : : BOOST_AUTO_TEST_SUITE_END()
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