net/quic/crypto/quic_crypto_server_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_server_config.h"
   6
   7 #include <stdarg.h>
   8
   9 #include "base/stl_util.h"
  10 #include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
  11 #include "net/quic/crypto/crypto_handshake_message.h"
  12 #include "net/quic/crypto/crypto_secret_boxer.h"
  13 #include "net/quic/crypto/crypto_server_config_protobuf.h"
  14 #include "net/quic/crypto/quic_random.h"
  15 #include "net/quic/crypto/strike_register_client.h"
  16 #include "net/quic/quic_time.h"
  17 #include "net/quic/test_tools/mock_clock.h"
  18 #include "net/quic/test_tools/quic_test_utils.h"
  19 #include "testing/gmock/include/gmock/gmock.h"
  20 #include "testing/gtest/include/gtest/gtest.h"
  21
  22 using base::StringPiece;
  23 using std::make_pair;
  24 using std::map;
  25 using std::pair;
  26 using std::string;
  27 using std::vector;
  28
  29 namespace net {
  30 namespace test {
  31
  32 class QuicCryptoServerConfigPeer {
  33  public:
  34   explicit QuicCryptoServerConfigPeer(QuicCryptoServerConfig* server_config)
  35       : server_config_(server_config) {}
  36
  37   scoped_refptr<QuicCryptoServerConfig::Config> GetConfig(string config_id) {
  38     base::AutoLock locked(server_config_->configs_lock_);
  39     if (config_id == "<primary>") {
  40       return scoped_refptr<QuicCryptoServerConfig::Config>(
  41           server_config_->primary_config_);
  42     } else {
  43       return server_config_->GetConfigWithScid(config_id);
  44     }
  45   }
  46
  47   bool ConfigHasDefaultSourceAddressTokenBoxer(string config_id) {
  48     scoped_refptr<QuicCryptoServerConfig::Config> config = GetConfig(config_id);
  49     return config->source_address_token_boxer ==
  50         &(server_config_->default_source_address_token_boxer_);
  51   }
  52
  53   string NewSourceAddressToken(
  54       string config_id,
  55       IPEndPoint ip,
  56       QuicRandom* rand,
  57       QuicWallTime now) {
  58     return server_config_->NewSourceAddressToken(
  59         *GetConfig(config_id), ip, rand, now, NULL);
  60   }
  61
  62   HandshakeFailureReason ValidateSourceAddressToken(string config_id,
  63                                                     StringPiece srct,
  64                                                     IPEndPoint ip,
  65                                                     QuicWallTime now) {
  66     return server_config_->ValidateSourceAddressToken(
  67         *GetConfig(config_id), srct, ip, now);
  68   }
  69
  70   string NewServerNonce(QuicRandom* rand, QuicWallTime now) const {
  71     return server_config_->NewServerNonce(rand, now);
  72   }
  73
  74   HandshakeFailureReason ValidateServerNonce(StringPiece token,
  75                                              QuicWallTime now) {
  76     return server_config_->ValidateServerNonce(token, now);
  77   }
  78
  79   base::Lock* GetStrikeRegisterClientLock() {
  80     return &server_config_->strike_register_client_lock_;
  81   }
  82
  83   // CheckConfigs compares the state of the Configs in |server_config_| to the
  84   // description given as arguments. The arguments are given as NULL-terminated
  85   // pairs. The first of each pair is the server config ID of a Config. The
  86   // second is a boolean describing whether the config is the primary. For
  87   // example:
  88   //   CheckConfigs(NULL);  // checks that no Configs are loaded.
  89   //
  90   //   // Checks that exactly three Configs are loaded with the given IDs and
  91   //   // status.
  92   //   CheckConfigs(
  93   //     "id1", false,
  94   //     "id2", true,
  95   //     "id3", false,
  96   //     NULL);
  97   void CheckConfigs(const char* server_config_id1, ...) {
  98     va_list ap;
  99     va_start(ap, server_config_id1);
 100
 101     vector<pair<ServerConfigID, bool> > expected;
 102     bool first = true;
 103     for (;;) {
 104       const char* server_config_id;
 105       if (first) {
 106         server_config_id = server_config_id1;
 107         first = false;
 108       } else {
 109         server_config_id = va_arg(ap, const char*);
 110       }
 111
 112       if (!server_config_id) {
 113         break;
 114       }
 115
 116       // varargs will promote the value to an int so we have to read that from
 117       // the stack and cast down.
 118       const bool is_primary = static_cast<bool>(va_arg(ap, int));
 119       expected.push_back(make_pair(server_config_id, is_primary));
 120     }
 121
 122     va_end(ap);
 123
 124     base::AutoLock locked(server_config_->configs_lock_);
 125
 126     ASSERT_EQ(expected.size(), server_config_->configs_.size())
 127         << ConfigsDebug();
 128
 129     for (QuicCryptoServerConfig::ConfigMap::const_iterator
 130              i = server_config_->configs_.begin();
 131          i != server_config_->configs_.end(); ++i) {
 132       bool found = false;
 133       for (vector<pair<ServerConfigID, bool> >::iterator j = expected.begin();
 134            j != expected.end(); ++j) {
 135         if (i->first == j->first && i->second->is_primary == j->second) {
 136           found = true;
 137           j->first.clear();
 138           break;
 139         }
 140       }
 141
 142       ASSERT_TRUE(found) << "Failed to find match for " << i->first
 143                          << " in configs:\n" << ConfigsDebug();
 144     }
 145   }
 146
 147   // ConfigsDebug returns a string that contains debugging information about
 148   // the set of Configs loaded in |server_config_| and their status.
 149   // ConfigsDebug() should be called after acquiring
 150   // server_config_->configs_lock_.
 151   string ConfigsDebug() {
 152     if (server_config_->configs_.empty()) {
 153       return "No Configs in QuicCryptoServerConfig";
 154     }
 155
 156     string s;
 157
 158     for (QuicCryptoServerConfig::ConfigMap::const_iterator
 159              i = server_config_->configs_.begin();
 160          i != server_config_->configs_.end(); ++i) {
 161       const scoped_refptr<QuicCryptoServerConfig::Config> config = i->second;
 162       if (config->is_primary) {
 163         s += "(primary) ";
 164       } else {
 165         s += "          ";
 166       }
 167       s += config->id;
 168       s += "\n";
 169     }
 170
 171     return s;
 172   }
 173
 174   void SelectNewPrimaryConfig(int seconds) {
 175     base::AutoLock locked(server_config_->configs_lock_);
 176     server_config_->SelectNewPrimaryConfig(
 177         QuicWallTime::FromUNIXSeconds(seconds));
 178   }
 179
 180  private:
 181   const QuicCryptoServerConfig* server_config_;
 182 };
 183
 184 class TestStrikeRegisterClient : public StrikeRegisterClient {
 185  public:
 186   explicit TestStrikeRegisterClient(QuicCryptoServerConfig* config)
 187       : config_(config),
 188         is_known_orbit_called_(false) {
 189   }
 190
 191   virtual bool IsKnownOrbit(StringPiece orbit) const OVERRIDE {
 192     // Ensure that the strike register client lock is not held.
 193     QuicCryptoServerConfigPeer peer(config_);
 194     base::Lock* m = peer.GetStrikeRegisterClientLock();
 195     // In Chromium, we will dead lock if the lock is held by the current thread.
 196     // Chromium doesn't have AssertNotHeld API call.
 197     // m->AssertNotHeld();
 198     base::AutoLock lock(*m);
 199
 200     is_known_orbit_called_ = true;
 201     return true;
 202   }
 203
 204   virtual void VerifyNonceIsValidAndUnique(
 205       StringPiece nonce,
 206       QuicWallTime now,
 207       ResultCallback* cb) OVERRIDE {
 208     LOG(FATAL) << "Not implemented";
 209   }
 210
 211   bool is_known_orbit_called() { return is_known_orbit_called_; }
 212
 213  private:
 214   QuicCryptoServerConfig* config_;
 215   mutable bool is_known_orbit_called_;
 216 };
 217
 218 TEST(QuicCryptoServerConfigTest, ServerConfig) {
 219   QuicRandom* rand = QuicRandom::GetInstance();
 220   QuicCryptoServerConfig server(QuicCryptoServerConfig::TESTING, rand);
 221   MockClock clock;
 222
 223   scoped_ptr<CryptoHandshakeMessage>(
 224       server.AddDefaultConfig(rand, &clock,
 225                               QuicCryptoServerConfig::ConfigOptions()));
 226 }
 227
 228 TEST(QuicCryptoServerConfigTest, GetOrbitIsCalledWithoutTheStrikeRegisterLock) {
 229   QuicRandom* rand = QuicRandom::GetInstance();
 230   QuicCryptoServerConfig server(QuicCryptoServerConfig::TESTING, rand);
 231   MockClock clock;
 232
 233   TestStrikeRegisterClient* strike_register =
 234       new TestStrikeRegisterClient(&server);
 235   server.SetStrikeRegisterClient(strike_register);
 236
 237   QuicCryptoServerConfig::ConfigOptions options;
 238   scoped_ptr<CryptoHandshakeMessage>(
 239       server.AddDefaultConfig(rand, &clock, options));
 240   EXPECT_TRUE(strike_register->is_known_orbit_called());
 241 }
 242
 243 TEST(QuicCryptoServerConfigTest, SourceAddressTokens) {
 244   const string kPrimary = "<primary>";
 245   const string kOverride = "Config with custom source address token key";
 246
 247   MockClock clock;
 248   clock.AdvanceTime(QuicTime::Delta::FromSeconds(1000000));
 249
 250   QuicWallTime now = clock.WallNow();
 251   const QuicWallTime original_time = now;
 252
 253   QuicRandom* rand = QuicRandom::GetInstance();
 254   QuicCryptoServerConfig server(QuicCryptoServerConfig::TESTING, rand);
 255   QuicCryptoServerConfigPeer peer(&server);
 256
 257   scoped_ptr<CryptoHandshakeMessage>(
 258       server.AddDefaultConfig(rand, &clock,
 259                               QuicCryptoServerConfig::ConfigOptions()));
 260
 261   // Add a config that overrides the default boxer.
 262   QuicCryptoServerConfig::ConfigOptions options;
 263   options.id = kOverride;
 264   scoped_ptr<QuicServerConfigProtobuf> protobuf(
 265       QuicCryptoServerConfig::GenerateConfig(rand, &clock, options));
 266   protobuf->set_source_address_token_secret_override("a secret key");
 267   // Lower priority than the default config.
 268   protobuf->set_priority(1);
 269   scoped_ptr<CryptoHandshakeMessage>(
 270       server.AddConfig(protobuf.get(), now));
 271
 272   EXPECT_TRUE(peer.ConfigHasDefaultSourceAddressTokenBoxer(kPrimary));
 273   EXPECT_FALSE(peer.ConfigHasDefaultSourceAddressTokenBoxer(kOverride));
 274
 275   IPEndPoint ip4 = IPEndPoint(Loopback4(), 1);
 276   IPEndPoint ip4d = IPEndPoint(ConvertIPv4NumberToIPv6Number(ip4.address()), 1);
 277   IPEndPoint ip6 = IPEndPoint(Loopback6(), 2);
 278
 279   // Primary config generates configs that validate successfully.
 280   const string token4 = peer.NewSourceAddressToken(kPrimary, ip4, rand, now);
 281   const string token4d = peer.NewSourceAddressToken(kPrimary, ip4d, rand, now);
 282   const string token6 = peer.NewSourceAddressToken(kPrimary, ip6, rand, now);
 283   EXPECT_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 284       kPrimary, token4, ip4, now));
 285   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 286       kPrimary, token4, ip4d, now));
 287   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DIFFERENT_IP_ADDRESS_FAILURE,
 288             peer.ValidateSourceAddressToken(kPrimary, token4, ip6, now));
 289   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 290       kPrimary, token4d, ip4, now));
 291   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 292       kPrimary, token4d, ip4d, now));
 293   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DIFFERENT_IP_ADDRESS_FAILURE,
 294             peer.ValidateSourceAddressToken(kPrimary, token4d, ip6, now));
 295   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 296       kPrimary, token6, ip6, now));
 297
 298   // Override config generates configs that validate successfully.
 299   const string override_token4 = peer.NewSourceAddressToken(
 300       kOverride, ip4, rand, now);
 301   const string override_token6 = peer.NewSourceAddressToken(
 302       kOverride, ip6, rand, now);
 303   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 304       kOverride, override_token4, ip4, now));
 305   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DIFFERENT_IP_ADDRESS_FAILURE,
 306             peer.ValidateSourceAddressToken(kOverride, override_token4, ip6,
 307                                             now));
 308   DCHECK_EQ(HANDSHAKE_OK, peer.ValidateSourceAddressToken(
 309       kOverride, override_token6, ip6, now));
 310
 311   // Tokens generated by the primary config do not validate
 312   // successfully against the override config, and vice versa.
 313   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DECRYPTION_FAILURE,
 314             peer.ValidateSourceAddressToken(kOverride, token4, ip4, now));
 315   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DECRYPTION_FAILURE,
 316             peer.ValidateSourceAddressToken(kOverride, token6, ip6, now));
 317   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DECRYPTION_FAILURE,
 318             peer.ValidateSourceAddressToken(kPrimary, override_token4, ip4,
 319                                             now));
 320   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_DECRYPTION_FAILURE,
 321             peer.ValidateSourceAddressToken(kPrimary, override_token6, ip6,
 322                                             now));
 323
 324   // Validation fails after tokens expire.
 325   now = original_time.Add(QuicTime::Delta::FromSeconds(86400 * 7));
 326   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_EXPIRED_FAILURE,
 327             peer.ValidateSourceAddressToken(kPrimary, token4, ip4, now));
 328
 329   now = original_time.Subtract(QuicTime::Delta::FromSeconds(3600 * 2));
 330   DCHECK_EQ(SOURCE_ADDRESS_TOKEN_CLOCK_SKEW_FAILURE,
 331             peer.ValidateSourceAddressToken(kPrimary, token4, ip4, now));
 332 }
 333
 334 TEST(QuicCryptoServerConfigTest, ValidateServerNonce) {
 335   QuicRandom* rand = QuicRandom::GetInstance();
 336   QuicCryptoServerConfig server(QuicCryptoServerConfig::TESTING, rand);
 337   QuicCryptoServerConfigPeer peer(&server);
 338
 339   StringPiece message("hello world");
 340   const size_t key_size = CryptoSecretBoxer::GetKeySize();
 341   scoped_ptr<uint8[]> key(new uint8[key_size]);
 342   memset(key.get(), 0x11, key_size);
 343
 344   CryptoSecretBoxer boxer;
 345   boxer.SetKey(StringPiece(reinterpret_cast<char*>(key.get()), key_size));
 346   const string box = boxer.Box(rand, message);
 347   MockClock clock;
 348   QuicWallTime now = clock.WallNow();
 349   const QuicWallTime original_time = now;
 350   EXPECT_EQ(SERVER_NONCE_DECRYPTION_FAILURE,
 351             peer.ValidateServerNonce(box, now));
 352
 353   string server_nonce = peer.NewServerNonce(rand, now);
 354   EXPECT_EQ(HANDSHAKE_OK, peer.ValidateServerNonce(server_nonce, now));
 355   EXPECT_EQ(SERVER_NONCE_NOT_UNIQUE_FAILURE,
 356             peer.ValidateServerNonce(server_nonce, now));
 357
 358   now = original_time.Add(QuicTime::Delta::FromSeconds(1000 * 7));
 359   server_nonce = peer.NewServerNonce(rand, now);
 360   EXPECT_EQ(HANDSHAKE_OK, peer.ValidateServerNonce(server_nonce, now));
 361 }
 362
 363 class CryptoServerConfigsTest : public ::testing::Test {
 364  public:
 365   CryptoServerConfigsTest()
 366       : rand_(QuicRandom::GetInstance()),
 367         config_(QuicCryptoServerConfig::TESTING, rand_),
 368         test_peer_(&config_) {}
 369
 370   virtual void SetUp() {
 371     clock_.AdvanceTime(QuicTime::Delta::FromSeconds(1000));
 372   }
 373
 374   // SetConfigs constructs suitable config protobufs and calls SetConfigs on
 375   // |config_|. The arguments are given as NULL-terminated pairs. The first of
 376   // each pair is the server config ID of a Config. The second is the
 377   // |primary_time| of that Config, given in epoch seconds. (Although note
 378   // that, in these tests, time is set to 1000 seconds since the epoch.) For
 379   // example:
 380   //   SetConfigs(NULL);  // calls |config_.SetConfigs| with no protobufs.
 381   //
 382   //   // Calls |config_.SetConfigs| with two protobufs: one for a Config with
 383   //   // a |primary_time| of 900 and priority 1, and another with
 384   //   // a |primary_time| of 1000 and priority 2.
 385
 386   //   CheckConfigs(
 387   //     "id1", 900, 1,
 388   //     "id2", 1000, 2,
 389   //     NULL);
 390   //
 391   // If the server config id starts with "INVALID" then the generated protobuf
 392   // will be invalid.
 393   void SetConfigs(const char* server_config_id1, ...) {
 394     const char kOrbit[] = "12345678";
 395
 396     va_list ap;
 397     va_start(ap, server_config_id1);
 398     bool has_invalid = false;
 399     bool is_empty = true;
 400
 401     vector<QuicServerConfigProtobuf*> protobufs;
 402     bool first = true;
 403     for (;;) {
 404       const char* server_config_id;
 405       if (first) {
 406         server_config_id = server_config_id1;
 407         first = false;
 408       } else {
 409         server_config_id = va_arg(ap, const char*);
 410       }
 411
 412       if (!server_config_id) {
 413         break;
 414       }
 415
 416       is_empty = false;
 417       int primary_time = va_arg(ap, int);
 418       int priority = va_arg(ap, int);
 419
 420       QuicCryptoServerConfig::ConfigOptions options;
 421       options.id = server_config_id;
 422       options.orbit = kOrbit;
 423       QuicServerConfigProtobuf* protobuf(
 424           QuicCryptoServerConfig::GenerateConfig(rand_, &clock_, options));
 425       protobuf->set_primary_time(primary_time);
 426       protobuf->set_priority(priority);
 427       if (string(server_config_id).find("INVALID") == 0) {
 428         protobuf->clear_key();
 429         has_invalid = true;
 430       }
 431       protobufs.push_back(protobuf);
 432     }
 433
 434     ASSERT_EQ(!has_invalid && !is_empty,
 435               config_.SetConfigs(protobufs, clock_.WallNow()));
 436     STLDeleteElements(&protobufs);
 437   }
 438
 439  protected:
 440   QuicRandom* const rand_;
 441   MockClock clock_;
 442   QuicCryptoServerConfig config_;
 443   QuicCryptoServerConfigPeer test_peer_;
 444 };
 445
 446 TEST_F(CryptoServerConfigsTest, NoConfigs) {
 447   test_peer_.CheckConfigs(NULL);
 448 }
 449
 450 TEST_F(CryptoServerConfigsTest, MakePrimaryFirst) {
 451   // Make sure that "b" is primary even though "a" comes first.
 452   SetConfigs("a", 1100, 1,
 453              "b", 900, 1,
 454              NULL);
 455   test_peer_.CheckConfigs(
 456       "a", false,
 457       "b", true,
 458       NULL);
 459 }
 460
 461 TEST_F(CryptoServerConfigsTest, MakePrimarySecond) {
 462   // Make sure that a remains primary after b is added.
 463   SetConfigs("a", 900, 1,
 464              "b", 1100, 1,
 465              NULL);
 466   test_peer_.CheckConfigs(
 467       "a", true,
 468       "b", false,
 469       NULL);
 470 }
 471
 472 TEST_F(CryptoServerConfigsTest, Delete) {
 473   // Ensure that configs get deleted when removed.
 474   SetConfigs("a", 800, 1,
 475              "b", 900, 1,
 476              "c", 1100, 1,
 477              NULL);
 478   test_peer_.CheckConfigs(
 479       "a", false,
 480       "b", true,
 481       "c", false,
 482       NULL);
 483   SetConfigs("b", 900, 1,
 484              "c", 1100, 1,
 485              NULL);
 486   test_peer_.CheckConfigs(
 487       "b", true,
 488       "c", false,
 489       NULL);
 490 }
 491
 492 TEST_F(CryptoServerConfigsTest, DeletePrimary) {
 493   // Ensure that deleting the primary config works.
 494   SetConfigs("a", 800, 1,
 495              "b", 900, 1,
 496              "c", 1100, 1,
 497              NULL);
 498   test_peer_.CheckConfigs(
 499       "a", false,
 500       "b", true,
 501       "c", false,
 502       NULL);
 503   SetConfigs("a", 800, 1,
 504              "c", 1100, 1,
 505              NULL);
 506   test_peer_.CheckConfigs(
 507       "a", true,
 508       "c", false,
 509       NULL);
 510 }
 511
 512 TEST_F(CryptoServerConfigsTest, FailIfDeletingAllConfigs) {
 513   // Ensure that configs get deleted when removed.
 514   SetConfigs("a", 800, 1,
 515              "b", 900, 1,
 516              NULL);
 517   test_peer_.CheckConfigs(
 518       "a", false,
 519       "b", true,
 520       NULL);
 521   SetConfigs(NULL);
 522   // Config change is rejected, still using old configs.
 523   test_peer_.CheckConfigs(
 524       "a", false,
 525       "b", true,
 526       NULL);
 527 }
 528
 529 TEST_F(CryptoServerConfigsTest, ChangePrimaryTime) {
 530   // Check that updates to primary time get picked up.
 531   SetConfigs("a", 400, 1,
 532              "b", 800, 1,
 533              "c", 1200, 1,
 534              NULL);
 535   test_peer_.SelectNewPrimaryConfig(500);
 536   test_peer_.CheckConfigs(
 537       "a", true,
 538       "b", false,
 539       "c", false,
 540       NULL);
 541   SetConfigs("a", 1200, 1,
 542              "b", 800, 1,
 543              "c", 400, 1,
 544              NULL);
 545   test_peer_.SelectNewPrimaryConfig(500);
 546   test_peer_.CheckConfigs(
 547       "a", false,
 548       "b", false,
 549       "c", true,
 550       NULL);
 551 }
 552
 553 TEST_F(CryptoServerConfigsTest, AllConfigsInThePast) {
 554   // Check that the most recent config is selected.
 555   SetConfigs("a", 400, 1,
 556              "b", 800, 1,
 557              "c", 1200, 1,
 558              NULL);
 559   test_peer_.SelectNewPrimaryConfig(1500);
 560   test_peer_.CheckConfigs(
 561       "a", false,
 562       "b", false,
 563       "c", true,
 564       NULL);
 565 }
 566
 567 TEST_F(CryptoServerConfigsTest, AllConfigsInTheFuture) {
 568   // Check that the first config is selected.
 569   SetConfigs("a", 400, 1,
 570              "b", 800, 1,
 571              "c", 1200, 1,
 572              NULL);
 573   test_peer_.SelectNewPrimaryConfig(100);
 574   test_peer_.CheckConfigs(
 575       "a", true,
 576       "b", false,
 577       "c", false,
 578       NULL);
 579 }
 580
 581 TEST_F(CryptoServerConfigsTest, SortByPriority) {
 582   // Check that priority is used to decide on a primary config when
 583   // configs have the same primary time.
 584   SetConfigs("a", 900, 1,
 585              "b", 900, 2,
 586              "c", 900, 3,
 587              NULL);
 588   test_peer_.CheckConfigs(
 589       "a", true,
 590       "b", false,
 591       "c", false,
 592       NULL);
 593   test_peer_.SelectNewPrimaryConfig(800);
 594   test_peer_.CheckConfigs(
 595       "a", true,
 596       "b", false,
 597       "c", false,
 598       NULL);
 599   test_peer_.SelectNewPrimaryConfig(1000);
 600   test_peer_.CheckConfigs(
 601       "a", true,
 602       "b", false,
 603       "c", false,
 604       NULL);
 605
 606   // Change priorities and expect sort order to change.
 607   SetConfigs("a", 900, 2,
 608              "b", 900, 1,
 609              "c", 900, 0,
 610              NULL);
 611   test_peer_.CheckConfigs(
 612       "a", false,
 613       "b", false,
 614       "c", true,
 615       NULL);
 616   test_peer_.SelectNewPrimaryConfig(800);
 617   test_peer_.CheckConfigs(
 618       "a", false,
 619       "b", false,
 620       "c", true,
 621       NULL);
 622   test_peer_.SelectNewPrimaryConfig(1000);
 623   test_peer_.CheckConfigs(
 624       "a", false,
 625       "b", false,
 626       "c", true,
 627       NULL);
 628 }
 629
 630 TEST_F(CryptoServerConfigsTest, AdvancePrimary) {
 631   // Check that a new primary config is enabled at the right time.
 632   SetConfigs("a", 900, 1,
 633              "b", 1100, 1,
 634              NULL);
 635   test_peer_.SelectNewPrimaryConfig(1000);
 636   test_peer_.CheckConfigs(
 637       "a", true,
 638       "b", false,
 639       NULL);
 640   test_peer_.SelectNewPrimaryConfig(1101);
 641   test_peer_.CheckConfigs(
 642       "a", false,
 643       "b", true,
 644       NULL);
 645 }
 646
 647 TEST_F(CryptoServerConfigsTest, InvalidConfigs) {
 648   // Ensure that invalid configs don't change anything.
 649   SetConfigs("a", 800, 1,
 650              "b", 900, 1,
 651              "c", 1100, 1,
 652              NULL);
 653   test_peer_.CheckConfigs(
 654       "a", false,
 655       "b", true,
 656       "c", false,
 657       NULL);
 658   SetConfigs("a", 800, 1,
 659              "c", 1100, 1,
 660              "INVALID1", 1000, 1,
 661              NULL);
 662   test_peer_.CheckConfigs(
 663       "a", false,
 664       "b", true,
 665       "c", false,
 666       NULL);
 667 }
 668
 669 }  // namespace test
 670 }  // namespace net