1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
// Copyright (c) 2012 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 "net/quic/quic_crypto_client_stream.h"
#include "base/memory/scoped_ptr.h"
#include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
#include "net/quic/crypto/quic_decrypter.h"
#include "net/quic/crypto/quic_encrypter.h"
#include "net/quic/quic_flags.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_server_id.h"
#include "net/quic/quic_utils.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "net/quic/test_tools/simple_quic_framer.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
namespace {
const char kServerHostname[] = "example.com";
const uint16 kServerPort = 80;
class QuicCryptoClientStreamTest : public ::testing::Test {
public:
QuicCryptoClientStreamTest()
: connection_(new PacketSavingConnection(false)),
session_(new TestClientSession(connection_, DefaultQuicConfig())),
server_id_(kServerHostname, kServerPort, false, PRIVACY_MODE_DISABLED),
stream_(new QuicCryptoClientStream(server_id_, session_.get(), nullptr,
&crypto_config_)) {
session_->SetCryptoStream(stream_.get());
// Advance the time, because timers do not like uninitialized times.
connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1));
}
void CompleteCryptoHandshake() {
EXPECT_TRUE(stream_->CryptoConnect());
CryptoTestUtils::HandshakeWithFakeServer(connection_, stream_.get());
}
void ConstructHandshakeMessage() {
CryptoFramer framer;
message_data_.reset(framer.ConstructHandshakeMessage(message_));
}
PacketSavingConnection* connection_;
scoped_ptr<TestClientSession> session_;
QuicServerId server_id_;
scoped_ptr<QuicCryptoClientStream> stream_;
CryptoHandshakeMessage message_;
scoped_ptr<QuicData> message_data_;
QuicCryptoClientConfig crypto_config_;
};
TEST_F(QuicCryptoClientStreamTest, NotInitiallyConected) {
EXPECT_FALSE(stream_->encryption_established());
EXPECT_FALSE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, ConnectedAfterSHLO) {
CompleteCryptoHandshake();
EXPECT_TRUE(stream_->encryption_established());
EXPECT_TRUE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, MessageAfterHandshake) {
CompleteCryptoHandshake();
EXPECT_CALL(*connection_, SendConnectionClose(
QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE));
message_.set_tag(kCHLO);
ConstructHandshakeMessage();
stream_->ProcessRawData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoClientStreamTest, BadMessageType) {
EXPECT_TRUE(stream_->CryptoConnect());
message_.set_tag(kCHLO);
ConstructHandshakeMessage();
EXPECT_CALL(*connection_, SendConnectionCloseWithDetails(
QUIC_INVALID_CRYPTO_MESSAGE_TYPE, "Expected REJ"));
stream_->ProcessRawData(message_data_->data(), message_data_->length());
}
TEST_F(QuicCryptoClientStreamTest, NegotiatedParameters) {
CompleteCryptoHandshake();
const QuicConfig* config = session_->config();
EXPECT_EQ(kQBIC, config->CongestionFeedback());
EXPECT_EQ(kMaximumIdleTimeoutSecs,
config->IdleConnectionStateLifetime().ToSeconds());
EXPECT_EQ(kDefaultMaxStreamsPerConnection,
config->MaxStreamsPerConnection());
const QuicCryptoNegotiatedParameters& crypto_params(
stream_->crypto_negotiated_params());
EXPECT_EQ(crypto_config_.aead[0], crypto_params.aead);
EXPECT_EQ(crypto_config_.kexs[0], crypto_params.key_exchange);
}
TEST_F(QuicCryptoClientStreamTest, InvalidHostname) {
QuicServerId server_id("invalid", 80, false, PRIVACY_MODE_DISABLED);
stream_.reset(new QuicCryptoClientStream(server_id, session_.get(), nullptr,
&crypto_config_));
session_->SetCryptoStream(stream_.get());
CompleteCryptoHandshake();
EXPECT_TRUE(stream_->encryption_established());
EXPECT_TRUE(stream_->handshake_confirmed());
}
TEST_F(QuicCryptoClientStreamTest, ExpiredServerConfig) {
// Seed the config with a cached server config.
CompleteCryptoHandshake();
connection_ = new PacketSavingConnection(true);
session_.reset(new TestClientSession(connection_, DefaultQuicConfig()));
stream_.reset(new QuicCryptoClientStream(server_id_, session_.get(), nullptr,
&crypto_config_));
session_->SetCryptoStream(stream_.get());
// Advance time 5 years to ensure that we pass the expiry time of the cached
// server config.
connection_->AdvanceTime(
QuicTime::Delta::FromSeconds(60 * 60 * 24 * 365 * 5));
// Check that a client hello was sent and that CryptoConnect doesn't fail
// with an error.
EXPECT_TRUE(stream_->CryptoConnect());
ASSERT_EQ(1u, connection_->packets_.size());
}
TEST_F(QuicCryptoClientStreamTest, ServerConfigUpdate) {
// Test that the crypto client stream can receive server config updates after
// the connection has been established.
CompleteCryptoHandshake();
QuicCryptoClientConfig::CachedState* state =
crypto_config_.LookupOrCreate(server_id_);
// Ensure cached STK is different to what we send in the handshake.
EXPECT_NE("xstk", state->source_address_token());
// Initialize using {...} syntax to avoid trailing \0 if converting from
// string.
unsigned char stk[] = { 'x', 's', 't', 'k' };
// Minimum SCFG that passes config validation checks.
unsigned char scfg[] = {
// SCFG
0x53, 0x43, 0x46, 0x47,
// num entries
0x01, 0x00,
// padding
0x00, 0x00,
// EXPY
0x45, 0x58, 0x50, 0x59,
// EXPY end offset
0x08, 0x00, 0x00, 0x00,
// Value
'1', '2', '3', '4',
'5', '6', '7', '8'
};
CryptoHandshakeMessage server_config_update;
server_config_update.set_tag(kSCUP);
server_config_update.SetValue(kSourceAddressTokenTag, stk);
server_config_update.SetValue(kSCFG, scfg);
scoped_ptr<QuicData> data(
CryptoFramer::ConstructHandshakeMessage(server_config_update));
stream_->ProcessRawData(data->data(), data->length());
// Make sure that the STK and SCFG are cached correctly.
EXPECT_EQ("xstk", state->source_address_token());
string cached_scfg = state->server_config();
test::CompareCharArraysWithHexError(
"scfg", cached_scfg.data(), cached_scfg.length(),
QuicUtils::AsChars(scfg), arraysize(scfg));
}
TEST_F(QuicCryptoClientStreamTest, ServerConfigUpdateBeforeHandshake) {
EXPECT_CALL(*connection_, SendConnectionClose(
QUIC_CRYPTO_UPDATE_BEFORE_HANDSHAKE_COMPLETE));
CryptoHandshakeMessage server_config_update;
server_config_update.set_tag(kSCUP);
scoped_ptr<QuicData> data(
CryptoFramer::ConstructHandshakeMessage(server_config_update));
stream_->ProcessRawData(data->data(), data->length());
}
} // namespace
} // namespace test
} // namespace net
|
