net/quic/crypto/quic_crypto_client_config_test.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/quic/crypto/quic_crypto_client_config.h"
   6
   7 #include "net/quic/crypto/proof_verifier.h"
   8 #include "net/quic/quic_server_id.h"
   9 #include "net/quic/test_tools/mock_random.h"
  10 #include "net/quic/test_tools/quic_test_utils.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 using std::string;
  14 using std::vector;
  15
  16 namespace net {
  17 namespace test {
  18 namespace {
  19
  20 class TestProofVerifyDetails : public ProofVerifyDetails {
  21   ~TestProofVerifyDetails() override {}
  22
  23   // ProofVerifyDetails implementation
  24   ProofVerifyDetails* Clone() const override {
  25     return new TestProofVerifyDetails;
  26   }
  27 };
  28
  29 }  // namespace
  30
  31 TEST(QuicCryptoClientConfigTest, CachedState_IsEmpty) {
  32   QuicCryptoClientConfig::CachedState state;
  33   EXPECT_TRUE(state.IsEmpty());
  34 }
  35
  36 TEST(QuicCryptoClientConfigTest, CachedState_IsComplete) {
  37   QuicCryptoClientConfig::CachedState state;
  38   EXPECT_FALSE(state.IsComplete(QuicWallTime::FromUNIXSeconds(0)));
  39 }
  40
  41 TEST(QuicCryptoClientConfigTest, CachedState_GenerationCounter) {
  42   QuicCryptoClientConfig::CachedState state;
  43   EXPECT_EQ(0u, state.generation_counter());
  44   state.SetProofInvalid();
  45   EXPECT_EQ(1u, state.generation_counter());
  46 }
  47
  48 TEST(QuicCryptoClientConfigTest, CachedState_SetProofVerifyDetails) {
  49   QuicCryptoClientConfig::CachedState state;
  50   EXPECT_TRUE(state.proof_verify_details() == nullptr);
  51   ProofVerifyDetails* details = new TestProofVerifyDetails;
  52   state.SetProofVerifyDetails(details);
  53   EXPECT_EQ(details, state.proof_verify_details());
  54 }
  55
  56 TEST(QuicCryptoClientConfigTest, CachedState_InitializeFrom) {
  57   QuicCryptoClientConfig::CachedState state;
  58   QuicCryptoClientConfig::CachedState other;
  59   state.set_source_address_token("TOKEN");
  60   // TODO(rch): Populate other fields of |state|.
  61   other.InitializeFrom(state);
  62   EXPECT_EQ(state.server_config(), other.server_config());
  63   EXPECT_EQ(state.source_address_token(), other.source_address_token());
  64   EXPECT_EQ(state.certs(), other.certs());
  65   EXPECT_EQ(1u, other.generation_counter());
  66 }
  67
  68 TEST(QuicCryptoClientConfigTest, InchoateChlo) {
  69   QuicCryptoClientConfig::CachedState state;
  70   QuicCryptoClientConfig config;
  71   QuicCryptoNegotiatedParameters params;
  72   CryptoHandshakeMessage msg;
  73   QuicServerId server_id("www.google.com", 80, false, PRIVACY_MODE_DISABLED);
  74   config.FillInchoateClientHello(server_id, QuicVersionMax(), &state,
  75                                  &params, &msg);
  76
  77   QuicTag cver;
  78   EXPECT_EQ(QUIC_NO_ERROR, msg.GetUint32(kVER, &cver));
  79   EXPECT_EQ(QuicVersionToQuicTag(QuicVersionMax()), cver);
  80 }
  81
  82 TEST(QuicCryptoClientConfigTest, PreferAesGcm) {
  83   QuicCryptoClientConfig config;
  84   if (config.aead.size() > 1)
  85     EXPECT_NE(kAESG, config.aead[0]);
  86   config.PreferAesGcm();
  87   EXPECT_EQ(kAESG, config.aead[0]);
  88 }
  89
  90 TEST(QuicCryptoClientConfigTest, InchoateChloSecure) {
  91   QuicCryptoClientConfig::CachedState state;
  92   QuicCryptoClientConfig config;
  93   QuicCryptoNegotiatedParameters params;
  94   CryptoHandshakeMessage msg;
  95   QuicServerId server_id("www.google.com", 443, true, PRIVACY_MODE_DISABLED);
  96   config.FillInchoateClientHello(server_id, QuicVersionMax(), &state,
  97                                  &params, &msg);
  98
  99   QuicTag pdmd;
 100   EXPECT_EQ(QUIC_NO_ERROR, msg.GetUint32(kPDMD, &pdmd));
 101   EXPECT_EQ(kX509, pdmd);
 102 }
 103
 104 TEST(QuicCryptoClientConfigTest, InchoateChloSecureNoEcdsa) {
 105   QuicCryptoClientConfig::CachedState state;
 106   QuicCryptoClientConfig config;
 107   config.DisableEcdsa();
 108   QuicCryptoNegotiatedParameters params;
 109   CryptoHandshakeMessage msg;
 110   QuicServerId server_id("www.google.com", 443, true, PRIVACY_MODE_DISABLED);
 111   config.FillInchoateClientHello(server_id, QuicVersionMax(), &state,
 112                                  &params, &msg);
 113
 114   QuicTag pdmd;
 115   EXPECT_EQ(QUIC_NO_ERROR, msg.GetUint32(kPDMD, &pdmd));
 116   EXPECT_EQ(kX59R, pdmd);
 117 }
 118
 119 TEST(QuicCryptoClientConfigTest, FillClientHello) {
 120   QuicCryptoClientConfig::CachedState state;
 121   QuicCryptoClientConfig config;
 122   QuicCryptoNegotiatedParameters params;
 123   QuicConnectionId kConnectionId = 1234;
 124   string error_details;
 125   MockRandom rand;
 126   CryptoHandshakeMessage chlo;
 127   QuicServerId server_id("www.google.com", 80, false, PRIVACY_MODE_DISABLED);
 128   config.FillClientHello(server_id,
 129                          kConnectionId,
 130                          QuicVersionMax(),
 131                          &state,
 132                          QuicWallTime::Zero(),
 133                          &rand,
 134                          nullptr,  // channel_id_key
 135                          &params,
 136                          &chlo,
 137                          &error_details);
 138
 139   // Verify that certain QuicTags have been set correctly in the CHLO.
 140   QuicTag cver;
 141   EXPECT_EQ(QUIC_NO_ERROR, chlo.GetUint32(kVER, &cver));
 142   EXPECT_EQ(QuicVersionToQuicTag(QuicVersionMax()), cver);
 143 }
 144
 145 TEST(QuicCryptoClientConfigTest, ProcessServerDowngradeAttack) {
 146   QuicVersionVector supported_versions = QuicSupportedVersions();
 147   if (supported_versions.size() == 1) {
 148     // No downgrade attack is possible if the client only supports one version.
 149     return;
 150   }
 151   QuicTagVector supported_version_tags;
 152   for (size_t i = supported_versions.size(); i > 0; --i) {
 153     supported_version_tags.push_back(
 154         QuicVersionToQuicTag(supported_versions[i - 1]));
 155   }
 156   CryptoHandshakeMessage msg;
 157   msg.set_tag(kSHLO);
 158   msg.SetVector(kVER, supported_version_tags);
 159
 160   QuicCryptoClientConfig::CachedState cached;
 161   QuicCryptoNegotiatedParameters out_params;
 162   string error;
 163   QuicCryptoClientConfig config;
 164   EXPECT_EQ(QUIC_VERSION_NEGOTIATION_MISMATCH,
 165             config.ProcessServerHello(msg, 0, supported_versions,
 166                                       &cached, &out_params, &error));
 167   EXPECT_EQ("Downgrade attack detected", error);
 168 }
 169
 170 TEST(QuicCryptoClientConfigTest, InitializeFrom) {
 171   QuicCryptoClientConfig config;
 172   QuicServerId canonical_server_id("www.google.com", 80, false,
 173                                    PRIVACY_MODE_DISABLED);
 174   QuicCryptoClientConfig::CachedState* state =
 175       config.LookupOrCreate(canonical_server_id);
 176   // TODO(rch): Populate other fields of |state|.
 177   state->set_source_address_token("TOKEN");
 178   state->SetProofValid();
 179
 180   QuicServerId other_server_id("mail.google.com", 80, false,
 181                                PRIVACY_MODE_DISABLED);
 182   config.InitializeFrom(other_server_id, canonical_server_id, &config);
 183   QuicCryptoClientConfig::CachedState* other =
 184       config.LookupOrCreate(other_server_id);
 185
 186   EXPECT_EQ(state->server_config(), other->server_config());
 187   EXPECT_EQ(state->source_address_token(), other->source_address_token());
 188   EXPECT_EQ(state->certs(), other->certs());
 189   EXPECT_EQ(1u, other->generation_counter());
 190 }
 191
 192 TEST(QuicCryptoClientConfigTest, Canonical) {
 193   QuicCryptoClientConfig config;
 194   config.AddCanonicalSuffix(".google.com");
 195   QuicServerId canonical_id1("www.google.com", 80, false,
 196                              PRIVACY_MODE_DISABLED);
 197   QuicServerId canonical_id2("mail.google.com", 80, false,
 198                              PRIVACY_MODE_DISABLED);
 199   QuicCryptoClientConfig::CachedState* state =
 200       config.LookupOrCreate(canonical_id1);
 201   // TODO(rch): Populate other fields of |state|.
 202   state->set_source_address_token("TOKEN");
 203   state->SetProofValid();
 204
 205   QuicCryptoClientConfig::CachedState* other =
 206       config.LookupOrCreate(canonical_id2);
 207
 208   EXPECT_TRUE(state->IsEmpty());
 209   EXPECT_EQ(state->server_config(), other->server_config());
 210   EXPECT_EQ(state->source_address_token(), other->source_address_token());
 211   EXPECT_EQ(state->certs(), other->certs());
 212   EXPECT_EQ(1u, other->generation_counter());
 213
 214   QuicServerId different_id("mail.google.org", 80, false,
 215                             PRIVACY_MODE_DISABLED);
 216   EXPECT_TRUE(config.LookupOrCreate(different_id)->IsEmpty());
 217 }
 218
 219 TEST(QuicCryptoClientConfigTest, CanonicalNotUsedIfNotValid) {
 220   QuicCryptoClientConfig config;
 221   config.AddCanonicalSuffix(".google.com");
 222   QuicServerId canonical_id1("www.google.com", 80, false,
 223                              PRIVACY_MODE_DISABLED);
 224   QuicServerId canonical_id2("mail.google.com", 80, false,
 225                              PRIVACY_MODE_DISABLED);
 226   QuicCryptoClientConfig::CachedState* state =
 227       config.LookupOrCreate(canonical_id1);
 228   // TODO(rch): Populate other fields of |state|.
 229   state->set_source_address_token("TOKEN");
 230
 231   // Do not set the proof as valid, and check that it is not used
 232   // as a canonical entry.
 233   EXPECT_TRUE(config.LookupOrCreate(canonical_id2)->IsEmpty());
 234 }
 235
 236 TEST(QuicCryptoClientConfigTest, ClearCachedStates) {
 237   QuicCryptoClientConfig config;
 238   QuicServerId server_id("www.google.com", 80, false, PRIVACY_MODE_DISABLED);
 239   QuicCryptoClientConfig::CachedState* state = config.LookupOrCreate(server_id);
 240   // TODO(rch): Populate other fields of |state|.
 241   vector<string> certs(1);
 242   certs[0] = "Hello Cert";
 243   state->SetProof(certs, "signature");
 244   state->set_source_address_token("TOKEN");
 245   state->SetProofValid();
 246   EXPECT_EQ(1u, state->generation_counter());
 247
 248   // Verify LookupOrCreate returns the same data.
 249   QuicCryptoClientConfig::CachedState* other = config.LookupOrCreate(server_id);
 250
 251   EXPECT_EQ(state, other);
 252   EXPECT_EQ(1u, other->generation_counter());
 253
 254   // Clear the cached states.
 255   config.ClearCachedStates();
 256
 257   // Verify LookupOrCreate doesn't have any data.
 258   QuicCryptoClientConfig::CachedState* cleared_cache =
 259       config.LookupOrCreate(server_id);
 260
 261   EXPECT_EQ(state, cleared_cache);
 262   EXPECT_FALSE(cleared_cache->proof_valid());
 263   EXPECT_TRUE(cleared_cache->server_config().empty());
 264   EXPECT_TRUE(cleared_cache->certs().empty());
 265   EXPECT_TRUE(cleared_cache->signature().empty());
 266   EXPECT_EQ(2u, cleared_cache->generation_counter());
 267 }
 268
 269 }  // namespace test
 270 }  // namespace net