1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright (c) 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "quic/core/tls_chlo_extractor.h"
#include <memory>
#include "quic/core/http/quic_spdy_client_session.h"
#include "quic/core/quic_connection.h"
#include "quic/core/quic_packet_writer_wrapper.h"
#include "quic/core/quic_versions.h"
#include "quic/platform/api/quic_test.h"
#include "quic/test_tools/crypto_test_utils.h"
#include "quic/test_tools/first_flight.h"
#include "quic/test_tools/quic_test_utils.h"
namespace quic {
namespace test {
namespace {
class TlsChloExtractorTest : public QuicTestWithParam<ParsedQuicVersion> {
protected:
TlsChloExtractorTest() : version_(GetParam()) {}
void Initialize() { packets_ = GetFirstFlightOfPackets(version_, config_); }
void IngestPackets() {
for (const std::unique_ptr<QuicReceivedPacket>& packet : packets_) {
ReceivedPacketInfo packet_info(
QuicSocketAddress(TestPeerIPAddress(), kTestPort),
QuicSocketAddress(TestPeerIPAddress(), kTestPort), *packet);
std::string detailed_error;
bool retry_token_present;
absl::string_view retry_token;
const QuicErrorCode error = QuicFramer::ParsePublicHeaderDispatcher(
*packet, /*expected_destination_connection_id_length=*/0,
&packet_info.form, &packet_info.long_packet_type,
&packet_info.version_flag, &packet_info.use_length_prefix,
&packet_info.version_label, &packet_info.version,
&packet_info.destination_connection_id,
&packet_info.source_connection_id, &retry_token_present, &retry_token,
&detailed_error);
ASSERT_THAT(error, IsQuicNoError()) << detailed_error;
tls_chlo_extractor_.IngestPacket(packet_info.version, packet_info.packet);
}
packets_.clear();
}
void ValidateChloDetails() {
EXPECT_TRUE(tls_chlo_extractor_.HasParsedFullChlo());
std::vector<std::string> alpns = tls_chlo_extractor_.alpns();
ASSERT_EQ(alpns.size(), 1u);
EXPECT_EQ(alpns[0], AlpnForVersion(version_));
EXPECT_EQ(tls_chlo_extractor_.server_name(), TestHostname());
}
void IncreaseSizeOfChlo() {
// Add a 2000-byte custom parameter to increase the length of the CHLO.
constexpr auto kCustomParameterId =
static_cast<TransportParameters::TransportParameterId>(0xff33);
std::string kCustomParameterValue(2000, '-');
config_.custom_transport_parameters_to_send()[kCustomParameterId] =
kCustomParameterValue;
}
ParsedQuicVersion version_;
TlsChloExtractor tls_chlo_extractor_;
QuicConfig config_;
std::vector<std::unique_ptr<QuicReceivedPacket>> packets_;
};
INSTANTIATE_TEST_SUITE_P(TlsChloExtractorTests,
TlsChloExtractorTest,
::testing::ValuesIn(AllSupportedVersionsWithTls()),
::testing::PrintToStringParamName());
TEST_P(TlsChloExtractorTest, Simple) {
Initialize();
EXPECT_EQ(packets_.size(), 1u);
IngestPackets();
ValidateChloDetails();
EXPECT_EQ(tls_chlo_extractor_.state(),
TlsChloExtractor::State::kParsedFullSinglePacketChlo);
}
TEST_P(TlsChloExtractorTest, MultiPacket) {
IncreaseSizeOfChlo();
Initialize();
EXPECT_EQ(packets_.size(), 2u);
IngestPackets();
ValidateChloDetails();
EXPECT_EQ(tls_chlo_extractor_.state(),
TlsChloExtractor::State::kParsedFullMultiPacketChlo);
}
TEST_P(TlsChloExtractorTest, MultiPacketReordered) {
IncreaseSizeOfChlo();
Initialize();
ASSERT_EQ(packets_.size(), 2u);
// Artifically reorder both packets.
std::swap(packets_[0], packets_[1]);
IngestPackets();
ValidateChloDetails();
EXPECT_EQ(tls_chlo_extractor_.state(),
TlsChloExtractor::State::kParsedFullMultiPacketChlo);
}
TEST_P(TlsChloExtractorTest, MoveAssignment) {
Initialize();
EXPECT_EQ(packets_.size(), 1u);
TlsChloExtractor other_extractor;
tls_chlo_extractor_ = std::move(other_extractor);
IngestPackets();
ValidateChloDetails();
EXPECT_EQ(tls_chlo_extractor_.state(),
TlsChloExtractor::State::kParsedFullSinglePacketChlo);
}
TEST_P(TlsChloExtractorTest, MoveAssignmentBetweenPackets) {
IncreaseSizeOfChlo();
Initialize();
ASSERT_EQ(packets_.size(), 2u);
TlsChloExtractor other_extractor;
// Have |other_extractor| parse the first packet.
ReceivedPacketInfo packet_info(
QuicSocketAddress(TestPeerIPAddress(), kTestPort),
QuicSocketAddress(TestPeerIPAddress(), kTestPort), *packets_[0]);
std::string detailed_error;
bool retry_token_present;
absl::string_view retry_token;
const QuicErrorCode error = QuicFramer::ParsePublicHeaderDispatcher(
*packets_[0], /*expected_destination_connection_id_length=*/0,
&packet_info.form, &packet_info.long_packet_type,
&packet_info.version_flag, &packet_info.use_length_prefix,
&packet_info.version_label, &packet_info.version,
&packet_info.destination_connection_id, &packet_info.source_connection_id,
&retry_token_present, &retry_token, &detailed_error);
ASSERT_THAT(error, IsQuicNoError()) << detailed_error;
other_extractor.IngestPacket(packet_info.version, packet_info.packet);
// Remove the first packet from the list.
packets_.erase(packets_.begin());
EXPECT_EQ(packets_.size(), 1u);
// Move the extractor.
tls_chlo_extractor_ = std::move(other_extractor);
// Have |tls_chlo_extractor_| parse the second packet.
IngestPackets();
ValidateChloDetails();
EXPECT_EQ(tls_chlo_extractor_.state(),
TlsChloExtractor::State::kParsedFullMultiPacketChlo);
}
} // namespace
} // namespace test
} // namespace quic
|
