net/ftp/ftp_network_transaction_unittest.cc

   1 // Copyright (c) 2012 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/ftp/ftp_network_transaction.h"
   6
   7 #include "build/build_config.h"
   8
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_vector.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "net/base/host_port_pair.h"
  15 #include "net/base/io_buffer.h"
  16 #include "net/base/net_util.h"
  17 #include "net/base/test_completion_callback.h"
  18 #include "net/dns/mock_host_resolver.h"
  19 #include "net/ftp/ftp_network_session.h"
  20 #include "net/ftp/ftp_request_info.h"
  21 #include "net/socket/socket_test_util.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23 #include "testing/platform_test.h"
  24
  25 namespace {
  26
  27 // Size we use for IOBuffers used to receive data from the test data socket.
  28 const int kBufferSize = 128;
  29
  30 }  // namespace
  31
  32 namespace net {
  33
  34 class FtpSocketDataProvider : public DynamicSocketDataProvider {
  35  public:
  36   enum State {
  37     NONE,
  38     PRE_USER,
  39     PRE_PASSWD,
  40     PRE_SYST,
  41     PRE_PWD,
  42     PRE_TYPE,
  43     PRE_SIZE,
  44     PRE_EPSV,
  45     PRE_PASV,
  46     PRE_LIST,
  47     PRE_RETR,
  48     PRE_RETR_EPSV,
  49     PRE_RETR_PASV,
  50     PRE_CWD_EPSV,
  51     PRE_CWD_PASV,
  52     PRE_CWD,
  53     PRE_QUIT,
  54     PRE_NOPASV,
  55     QUIT
  56   };
  57
  58   FtpSocketDataProvider()
  59       : failure_injection_state_(NONE),
  60         multiline_welcome_(false),
  61         use_epsv_(true),
  62         data_type_('I') {
  63     Init();
  64   }
  65
  66   MockWriteResult OnWrite(const std::string& data) override {
  67     if (InjectFault())
  68       return MockWriteResult(ASYNC, data.length());
  69     switch (state()) {
  70       case PRE_USER:
  71         return Verify("USER anonymous\r\n", data, PRE_PASSWD,
  72                       "331 Password needed\r\n");
  73       case PRE_PASSWD:
  74         {
  75           const char* response_one = "230 Welcome\r\n";
  76           const char* response_multi = "230- One\r\n230- Two\r\n230 Three\r\n";
  77           return Verify("PASS chrome@example.com\r\n", data, PRE_SYST,
  78                         multiline_welcome_ ? response_multi : response_one);
  79         }
  80       case PRE_SYST:
  81         return Verify("SYST\r\n", data, PRE_PWD, "215 UNIX\r\n");
  82       case PRE_PWD:
  83         return Verify("PWD\r\n", data, PRE_TYPE,
  84                       "257 \"/\" is your current location\r\n");
  85       case PRE_TYPE:
  86         return Verify(std::string("TYPE ") + data_type_ + "\r\n", data,
  87                       use_epsv_ ? PRE_EPSV : PRE_PASV,
  88                       "200 TYPE set successfully\r\n");
  89       case PRE_EPSV:
  90         return Verify("EPSV\r\n", data, PRE_SIZE,
  91                       "227 Entering Extended Passive Mode (|||31744|)\r\n");
  92       case PRE_CWD_EPSV:
  93         return Verify("EPSV\r\n", data, PRE_CWD,
  94                       "227 Entering Extended Passive Mode (|||31744|)\r\n");
  95       case PRE_RETR_EPSV:
  96         return Verify("EPSV\r\n", data, PRE_RETR,
  97                       "227 Entering Extended Passive Mode (|||31744|)\r\n");
  98       case PRE_CWD_PASV:
  99         return Verify("PASV\r\n", data, PRE_CWD,
 100                       "227 Entering Passive Mode 127,0,0,1,123,456\r\n");
 101       case PRE_RETR_PASV:
 102         return Verify("PASV\r\n", data, PRE_RETR,
 103                       "227 Entering Passive Mode 127,0,0,1,123,456\r\n");
 104       case PRE_PASV:
 105         return Verify("PASV\r\n", data, PRE_SIZE,
 106                       "227 Entering Passive Mode 127,0,0,1,123,456\r\n");
 107       case PRE_NOPASV:
 108         // Use unallocated 599 FTP error code to make sure it falls into the
 109         // generic ERR_FTP_FAILED bucket.
 110         return Verify("PASV\r\n", data, PRE_QUIT,
 111                       "599 fail\r\n");
 112       case PRE_QUIT:
 113         return Verify("QUIT\r\n", data, QUIT, "221 Goodbye.\r\n");
 114       default:
 115         NOTREACHED() << "State not handled " << state();
 116         return MockWriteResult(ASYNC, ERR_UNEXPECTED);
 117     }
 118   }
 119
 120   void InjectFailure(State state, State next_state, const char* response) {
 121     DCHECK_EQ(NONE, failure_injection_state_);
 122     DCHECK_NE(NONE, state);
 123     DCHECK_NE(NONE, next_state);
 124     DCHECK_NE(state, next_state);
 125     failure_injection_state_ = state;
 126     failure_injection_next_state_ = next_state;
 127     fault_response_ = response;
 128   }
 129
 130   State state() const {
 131     return state_;
 132   }
 133
 134   void Reset() override {
 135     DynamicSocketDataProvider::Reset();
 136     Init();
 137   }
 138
 139   void set_multiline_welcome(bool multiline) { multiline_welcome_ = multiline; }
 140
 141   bool use_epsv() const { return use_epsv_; }
 142   void set_use_epsv(bool use_epsv) { use_epsv_ = use_epsv; }
 143
 144   void set_data_type(char data_type) { data_type_ = data_type; }
 145
 146  protected:
 147   void Init() {
 148     state_ = PRE_USER;
 149     SimulateRead("220 host TestFTPd\r\n");
 150   }
 151
 152   // If protocol fault injection has been requested, adjusts state and mocked
 153   // read and returns true.
 154   bool InjectFault() {
 155     if (state_ != failure_injection_state_)
 156       return false;
 157     SimulateRead(fault_response_);
 158     state_ = failure_injection_next_state_;
 159     return true;
 160   }
 161
 162   MockWriteResult Verify(const std::string& expected,
 163                          const std::string& data,
 164                          State next_state,
 165                          const char* next_read,
 166                          const size_t next_read_length) {
 167     EXPECT_EQ(expected, data);
 168     if (expected == data) {
 169       state_ = next_state;
 170       SimulateRead(next_read, next_read_length);
 171       return MockWriteResult(ASYNC, data.length());
 172     }
 173     return MockWriteResult(ASYNC, ERR_UNEXPECTED);
 174   }
 175
 176   MockWriteResult Verify(const std::string& expected,
 177                          const std::string& data,
 178                          State next_state,
 179                          const char* next_read) {
 180     return Verify(expected, data, next_state,
 181                   next_read, std::strlen(next_read));
 182   }
 183
 184
 185  private:
 186   State state_;
 187   State failure_injection_state_;
 188   State failure_injection_next_state_;
 189   const char* fault_response_;
 190
 191   // If true, we will send multiple 230 lines as response after PASS.
 192   bool multiline_welcome_;
 193
 194   // If true, we will use EPSV command.
 195   bool use_epsv_;
 196
 197   // Data type to be used for TYPE command.
 198   char data_type_;
 199
 200   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProvider);
 201 };
 202
 203 class FtpSocketDataProviderDirectoryListing : public FtpSocketDataProvider {
 204  public:
 205   FtpSocketDataProviderDirectoryListing() {
 206   }
 207
 208   MockWriteResult OnWrite(const std::string& data) override {
 209     if (InjectFault())
 210       return MockWriteResult(ASYNC, data.length());
 211     switch (state()) {
 212       case PRE_SIZE:
 213         return Verify("SIZE /\r\n", data,
 214                       use_epsv() ? PRE_CWD_EPSV : PRE_CWD_PASV,
 215                       "550 I can only retrieve regular files\r\n");
 216       case PRE_CWD:
 217         return Verify("CWD /\r\n", data, PRE_LIST, "200 OK\r\n");
 218       case PRE_LIST:
 219         return Verify("LIST -l\r\n", data, PRE_QUIT, "200 OK\r\n");
 220       default:
 221         return FtpSocketDataProvider::OnWrite(data);
 222     }
 223   }
 224
 225  private:
 226   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderDirectoryListing);
 227 };
 228
 229 class FtpSocketDataProviderDirectoryListingWithPasvFallback
 230     : public FtpSocketDataProviderDirectoryListing {
 231  public:
 232   FtpSocketDataProviderDirectoryListingWithPasvFallback() {
 233   }
 234
 235   MockWriteResult OnWrite(const std::string& data) override {
 236     if (InjectFault())
 237       return MockWriteResult(ASYNC, data.length());
 238     switch (state()) {
 239       case PRE_EPSV:
 240         return Verify("EPSV\r\n", data, PRE_PASV,
 241                       "500 no EPSV for you\r\n");
 242       case PRE_SIZE:
 243         return Verify("SIZE /\r\n", data, PRE_CWD_PASV,
 244                       "550 I can only retrieve regular files\r\n");
 245       default:
 246         return FtpSocketDataProviderDirectoryListing::OnWrite(data);
 247     }
 248   }
 249
 250  private:
 251   DISALLOW_COPY_AND_ASSIGN(
 252       FtpSocketDataProviderDirectoryListingWithPasvFallback);
 253 };
 254
 255 class FtpSocketDataProviderDirectoryListingZeroSize
 256     : public FtpSocketDataProviderDirectoryListing {
 257  public:
 258   FtpSocketDataProviderDirectoryListingZeroSize() {
 259   }
 260
 261   MockWriteResult OnWrite(const std::string& data) override {
 262     if (InjectFault())
 263       return MockWriteResult(ASYNC, data.length());
 264     switch (state()) {
 265       case PRE_SIZE:
 266         return Verify("SIZE /\r\n", data, PRE_CWD, "213 0\r\n");
 267       default:
 268         return FtpSocketDataProviderDirectoryListing::OnWrite(data);
 269     }
 270   }
 271
 272  private:
 273   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderDirectoryListingZeroSize);
 274 };
 275
 276 class FtpSocketDataProviderVMSDirectoryListing : public FtpSocketDataProvider {
 277  public:
 278   FtpSocketDataProviderVMSDirectoryListing() {
 279   }
 280
 281   MockWriteResult OnWrite(const std::string& data) override {
 282     if (InjectFault())
 283       return MockWriteResult(ASYNC, data.length());
 284     switch (state()) {
 285       case PRE_SYST:
 286         return Verify("SYST\r\n", data, PRE_PWD, "215 VMS\r\n");
 287       case PRE_PWD:
 288         return Verify("PWD\r\n", data, PRE_TYPE,
 289                       "257 \"ANONYMOUS_ROOT:[000000]\"\r\n");
 290       case PRE_EPSV:
 291         return Verify("EPSV\r\n", data, PRE_PASV, "500 Invalid command\r\n");
 292       case PRE_SIZE:
 293         return Verify("SIZE ANONYMOUS_ROOT:[000000]dir\r\n", data, PRE_CWD_PASV,
 294                       "550 I can only retrieve regular files\r\n");
 295       case PRE_CWD:
 296         return Verify("CWD ANONYMOUS_ROOT:[dir]\r\n", data, PRE_LIST,
 297                       "200 OK\r\n");
 298       case PRE_LIST:
 299         return Verify("LIST *.*;0\r\n", data, PRE_QUIT, "200 OK\r\n");
 300       default:
 301         return FtpSocketDataProvider::OnWrite(data);
 302     }
 303   }
 304
 305  private:
 306   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderVMSDirectoryListing);
 307 };
 308
 309 class FtpSocketDataProviderVMSDirectoryListingRootDirectory
 310     : public FtpSocketDataProvider {
 311  public:
 312   FtpSocketDataProviderVMSDirectoryListingRootDirectory() {
 313   }
 314
 315   MockWriteResult OnWrite(const std::string& data) override {
 316     if (InjectFault())
 317       return MockWriteResult(ASYNC, data.length());
 318     switch (state()) {
 319       case PRE_SYST:
 320         return Verify("SYST\r\n", data, PRE_PWD, "215 VMS\r\n");
 321       case PRE_PWD:
 322         return Verify("PWD\r\n", data, PRE_TYPE,
 323                       "257 \"ANONYMOUS_ROOT:[000000]\"\r\n");
 324       case PRE_EPSV:
 325         return Verify("EPSV\r\n", data, PRE_PASV,
 326                       "500 EPSV command unknown\r\n");
 327       case PRE_SIZE:
 328         return Verify("SIZE ANONYMOUS_ROOT\r\n", data, PRE_CWD_PASV,
 329                       "550 I can only retrieve regular files\r\n");
 330       case PRE_CWD:
 331         return Verify("CWD ANONYMOUS_ROOT:[000000]\r\n", data, PRE_LIST,
 332                       "200 OK\r\n");
 333       case PRE_LIST:
 334         return Verify("LIST *.*;0\r\n", data, PRE_QUIT, "200 OK\r\n");
 335       default:
 336         return FtpSocketDataProvider::OnWrite(data);
 337     }
 338   }
 339
 340  private:
 341   DISALLOW_COPY_AND_ASSIGN(
 342       FtpSocketDataProviderVMSDirectoryListingRootDirectory);
 343 };
 344
 345 class FtpSocketDataProviderFileDownloadWithFileTypecode
 346     : public FtpSocketDataProvider {
 347  public:
 348   FtpSocketDataProviderFileDownloadWithFileTypecode() {
 349   }
 350
 351   MockWriteResult OnWrite(const std::string& data) override {
 352     if (InjectFault())
 353       return MockWriteResult(ASYNC, data.length());
 354     switch (state()) {
 355       case PRE_SIZE:
 356         return Verify("SIZE /file\r\n", data, PRE_RETR,
 357                       "213 18\r\n");
 358       case PRE_RETR:
 359         return Verify("RETR /file\r\n", data, PRE_QUIT, "200 OK\r\n");
 360       default:
 361         return FtpSocketDataProvider::OnWrite(data);
 362     }
 363   }
 364
 365  private:
 366   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadWithFileTypecode);
 367 };
 368
 369 class FtpSocketDataProviderFileDownload : public FtpSocketDataProvider {
 370  public:
 371   FtpSocketDataProviderFileDownload() {
 372   }
 373
 374   MockWriteResult OnWrite(const std::string& data) override {
 375     if (InjectFault())
 376       return MockWriteResult(ASYNC, data.length());
 377     switch (state()) {
 378       case PRE_SIZE:
 379         return Verify("SIZE /file\r\n", data, PRE_CWD,
 380                       "213 18\r\n");
 381       case PRE_CWD:
 382         return Verify("CWD /file\r\n", data,
 383                       use_epsv() ? PRE_RETR_EPSV : PRE_RETR_PASV,
 384                       "550 Not a directory\r\n");
 385       case PRE_RETR:
 386         return Verify("RETR /file\r\n", data, PRE_QUIT, "200 OK\r\n");
 387       default:
 388         return FtpSocketDataProvider::OnWrite(data);
 389     }
 390   }
 391
 392  private:
 393   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownload);
 394 };
 395
 396 class FtpSocketDataProviderFileNotFound : public FtpSocketDataProvider {
 397  public:
 398   FtpSocketDataProviderFileNotFound() {
 399   }
 400
 401   MockWriteResult OnWrite(const std::string& data) override {
 402     if (InjectFault())
 403       return MockWriteResult(ASYNC, data.length());
 404     switch (state()) {
 405       case PRE_SIZE:
 406         return Verify("SIZE /file\r\n", data,
 407                       use_epsv() ? PRE_CWD_EPSV : PRE_CWD_PASV,
 408                       "550 File Not Found\r\n");
 409       case PRE_CWD:
 410         return Verify("CWD /file\r\n", data,
 411                       use_epsv() ? PRE_RETR_EPSV : PRE_RETR_PASV,
 412                       "550 File Not Found\r\n");
 413       case PRE_RETR:
 414         return Verify("RETR /file\r\n", data, PRE_QUIT,
 415                       "550 File Not Found\r\n");
 416       default:
 417         return FtpSocketDataProvider::OnWrite(data);
 418     }
 419   }
 420
 421  private:
 422   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileNotFound);
 423 };
 424
 425 class FtpSocketDataProviderFileDownloadWithPasvFallback
 426     : public FtpSocketDataProviderFileDownload {
 427  public:
 428   FtpSocketDataProviderFileDownloadWithPasvFallback() {
 429   }
 430
 431   MockWriteResult OnWrite(const std::string& data) override {
 432     if (InjectFault())
 433       return MockWriteResult(ASYNC, data.length());
 434     switch (state()) {
 435       case PRE_EPSV:
 436         return Verify("EPSV\r\n", data, PRE_PASV,
 437                       "500 No can do\r\n");
 438       case PRE_CWD:
 439         return Verify("CWD /file\r\n", data, PRE_RETR_PASV,
 440                       "550 Not a directory\r\n");
 441       default:
 442         return FtpSocketDataProviderFileDownload::OnWrite(data);
 443     }
 444   }
 445
 446  private:
 447   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadWithPasvFallback);
 448 };
 449
 450 class FtpSocketDataProviderFileDownloadZeroSize
 451     : public FtpSocketDataProviderFileDownload {
 452  public:
 453   FtpSocketDataProviderFileDownloadZeroSize() {
 454   }
 455
 456   MockWriteResult OnWrite(const std::string& data) override {
 457     if (InjectFault())
 458       return MockWriteResult(ASYNC, data.length());
 459     switch (state()) {
 460       case PRE_SIZE:
 461         return Verify("SIZE /file\r\n", data, PRE_CWD,
 462                       "213 0\r\n");
 463       case PRE_CWD:
 464         return Verify("CWD /file\r\n", data,
 465                       use_epsv() ? PRE_RETR_EPSV : PRE_RETR_PASV,
 466                       "550 not a directory\r\n");
 467       default:
 468         return FtpSocketDataProviderFileDownload::OnWrite(data);
 469     }
 470   }
 471
 472  private:
 473   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadZeroSize);
 474 };
 475
 476 class FtpSocketDataProviderFileDownloadCWD451
 477     : public FtpSocketDataProviderFileDownload {
 478  public:
 479   FtpSocketDataProviderFileDownloadCWD451() {
 480   }
 481
 482   MockWriteResult OnWrite(const std::string& data) override {
 483     if (InjectFault())
 484       return MockWriteResult(ASYNC, data.length());
 485     switch (state()) {
 486       case PRE_CWD:
 487         return Verify("CWD /file\r\n", data,
 488                       use_epsv() ? PRE_RETR_EPSV : PRE_RETR_PASV,
 489                       "451 not a directory\r\n");
 490       default:
 491         return FtpSocketDataProviderFileDownload::OnWrite(data);
 492     }
 493   }
 494
 495  private:
 496   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadCWD451);
 497 };
 498
 499 class FtpSocketDataProviderVMSFileDownload : public FtpSocketDataProvider {
 500  public:
 501   FtpSocketDataProviderVMSFileDownload() {
 502   }
 503
 504   MockWriteResult OnWrite(const std::string& data) override {
 505     if (InjectFault())
 506       return MockWriteResult(ASYNC, data.length());
 507     switch (state()) {
 508       case PRE_SYST:
 509         return Verify("SYST\r\n", data, PRE_PWD, "215 VMS\r\n");
 510       case PRE_PWD:
 511         return Verify("PWD\r\n", data, PRE_TYPE,
 512                       "257 \"ANONYMOUS_ROOT:[000000]\"\r\n");
 513       case PRE_EPSV:
 514         return Verify("EPSV\r\n", data, PRE_PASV,
 515                       "500 EPSV command unknown\r\n");
 516       case PRE_SIZE:
 517         return Verify("SIZE ANONYMOUS_ROOT:[000000]file\r\n", data, PRE_CWD,
 518                       "213 18\r\n");
 519       case PRE_CWD:
 520         return Verify("CWD ANONYMOUS_ROOT:[file]\r\n", data, PRE_RETR_PASV,
 521                       "550 Not a directory\r\n");
 522       case PRE_RETR:
 523         return Verify("RETR ANONYMOUS_ROOT:[000000]file\r\n", data, PRE_QUIT,
 524                       "200 OK\r\n");
 525       default:
 526         return FtpSocketDataProvider::OnWrite(data);
 527     }
 528   }
 529
 530  private:
 531   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderVMSFileDownload);
 532 };
 533
 534 class FtpSocketDataProviderEscaping : public FtpSocketDataProviderFileDownload {
 535  public:
 536   FtpSocketDataProviderEscaping() {
 537   }
 538
 539   MockWriteResult OnWrite(const std::string& data) override {
 540     if (InjectFault())
 541       return MockWriteResult(ASYNC, data.length());
 542     switch (state()) {
 543       case PRE_SIZE:
 544         return Verify("SIZE / !\"#$%y\200\201\r\n", data, PRE_CWD,
 545                       "213 18\r\n");
 546       case PRE_CWD:
 547         return Verify("CWD / !\"#$%y\200\201\r\n", data,
 548                       use_epsv() ? PRE_RETR_EPSV : PRE_RETR_PASV,
 549                       "550 Not a directory\r\n");
 550       case PRE_RETR:
 551         return Verify("RETR / !\"#$%y\200\201\r\n", data, PRE_QUIT,
 552                       "200 OK\r\n");
 553       default:
 554         return FtpSocketDataProviderFileDownload::OnWrite(data);
 555     }
 556   }
 557
 558  private:
 559   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEscaping);
 560 };
 561
 562 class FtpSocketDataProviderFileDownloadTransferStarting
 563     : public FtpSocketDataProviderFileDownload {
 564  public:
 565   FtpSocketDataProviderFileDownloadTransferStarting() {
 566   }
 567
 568   MockWriteResult OnWrite(const std::string& data) override {
 569     if (InjectFault())
 570       return MockWriteResult(ASYNC, data.length());
 571     switch (state()) {
 572       case PRE_RETR:
 573         return Verify("RETR /file\r\n", data, PRE_QUIT,
 574                       "125-Data connection already open.\r\n"
 575                       "125  Transfer starting.\r\n"
 576                       "226 Transfer complete.\r\n");
 577       default:
 578         return FtpSocketDataProviderFileDownload::OnWrite(data);
 579     }
 580   }
 581
 582  private:
 583   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadTransferStarting);
 584 };
 585
 586 class FtpSocketDataProviderDirectoryListingTransferStarting
 587     : public FtpSocketDataProviderDirectoryListing {
 588  public:
 589   FtpSocketDataProviderDirectoryListingTransferStarting() {
 590   }
 591
 592   MockWriteResult OnWrite(const std::string& data) override {
 593     if (InjectFault())
 594       return MockWriteResult(ASYNC, data.length());
 595     switch (state()) {
 596       case PRE_LIST:
 597         return Verify("LIST -l\r\n", data, PRE_QUIT,
 598                       "125-Data connection already open.\r\n"
 599                       "125  Transfer starting.\r\n"
 600                       "226 Transfer complete.\r\n");
 601       default:
 602         return FtpSocketDataProviderDirectoryListing::OnWrite(data);
 603     }
 604   }
 605
 606  private:
 607   DISALLOW_COPY_AND_ASSIGN(
 608       FtpSocketDataProviderDirectoryListingTransferStarting);
 609 };
 610
 611 class FtpSocketDataProviderFileDownloadInvalidResponse
 612     : public FtpSocketDataProviderFileDownload {
 613  public:
 614   FtpSocketDataProviderFileDownloadInvalidResponse() {
 615   }
 616
 617   MockWriteResult OnWrite(const std::string& data) override {
 618     if (InjectFault())
 619       return MockWriteResult(ASYNC, data.length());
 620     switch (state()) {
 621       case PRE_SIZE:
 622         // Use unallocated 599 FTP error code to make sure it falls into the
 623         // generic ERR_FTP_FAILED bucket.
 624         return Verify("SIZE /file\r\n", data, PRE_QUIT,
 625                       "599 Evil Response\r\n"
 626                       "599 More Evil\r\n");
 627       default:
 628         return FtpSocketDataProviderFileDownload::OnWrite(data);
 629     }
 630   }
 631
 632  private:
 633   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderFileDownloadInvalidResponse);
 634 };
 635
 636 class FtpSocketDataProviderEvilEpsv : public FtpSocketDataProviderFileDownload {
 637  public:
 638   FtpSocketDataProviderEvilEpsv(const char* epsv_response,
 639                                 State expected_state)
 640       : epsv_response_(epsv_response),
 641         epsv_response_length_(std::strlen(epsv_response)),
 642         expected_state_(expected_state) {}
 643
 644   FtpSocketDataProviderEvilEpsv(const char* epsv_response,
 645                                size_t epsv_response_length,
 646                                State expected_state)
 647       : epsv_response_(epsv_response),
 648         epsv_response_length_(epsv_response_length),
 649         expected_state_(expected_state) {}
 650
 651   MockWriteResult OnWrite(const std::string& data) override {
 652     if (InjectFault())
 653       return MockWriteResult(ASYNC, data.length());
 654     switch (state()) {
 655       case PRE_EPSV:
 656         return Verify("EPSV\r\n", data, expected_state_,
 657                       epsv_response_, epsv_response_length_);
 658       default:
 659         return FtpSocketDataProviderFileDownload::OnWrite(data);
 660     }
 661   }
 662
 663  private:
 664   const char* epsv_response_;
 665   const size_t epsv_response_length_;
 666   const State expected_state_;
 667
 668   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEvilEpsv);
 669 };
 670
 671 class FtpSocketDataProviderEvilPasv
 672     : public FtpSocketDataProviderFileDownloadWithPasvFallback {
 673  public:
 674   FtpSocketDataProviderEvilPasv(const char* pasv_response, State expected_state)
 675       : pasv_response_(pasv_response),
 676         expected_state_(expected_state) {
 677   }
 678
 679   MockWriteResult OnWrite(const std::string& data) override {
 680     if (InjectFault())
 681       return MockWriteResult(ASYNC, data.length());
 682     switch (state()) {
 683       case PRE_PASV:
 684         return Verify("PASV\r\n", data, expected_state_, pasv_response_);
 685       default:
 686         return FtpSocketDataProviderFileDownloadWithPasvFallback::OnWrite(data);
 687     }
 688   }
 689
 690  private:
 691   const char* pasv_response_;
 692   const State expected_state_;
 693
 694   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEvilPasv);
 695 };
 696
 697 class FtpSocketDataProviderEvilSize : public FtpSocketDataProviderFileDownload {
 698  public:
 699   FtpSocketDataProviderEvilSize(const char* size_response, State expected_state)
 700       : size_response_(size_response),
 701         expected_state_(expected_state) {
 702   }
 703
 704   MockWriteResult OnWrite(const std::string& data) override {
 705     if (InjectFault())
 706       return MockWriteResult(ASYNC, data.length());
 707     switch (state()) {
 708       case PRE_SIZE:
 709         return Verify("SIZE /file\r\n", data, expected_state_, size_response_);
 710       default:
 711         return FtpSocketDataProviderFileDownload::OnWrite(data);
 712     }
 713   }
 714
 715  private:
 716   const char* size_response_;
 717   const State expected_state_;
 718
 719   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEvilSize);
 720 };
 721
 722 class FtpSocketDataProviderEvilLogin
 723     : public FtpSocketDataProviderFileDownload {
 724  public:
 725   FtpSocketDataProviderEvilLogin(const char* expected_user,
 726                                 const char* expected_password)
 727       : expected_user_(expected_user),
 728         expected_password_(expected_password) {
 729   }
 730
 731   MockWriteResult OnWrite(const std::string& data) override {
 732     if (InjectFault())
 733       return MockWriteResult(ASYNC, data.length());
 734     switch (state()) {
 735       case PRE_USER:
 736         return Verify(std::string("USER ") + expected_user_ + "\r\n", data,
 737                       PRE_PASSWD, "331 Password needed\r\n");
 738       case PRE_PASSWD:
 739         return Verify(std::string("PASS ") + expected_password_ + "\r\n", data,
 740                       PRE_SYST, "230 Welcome\r\n");
 741       default:
 742         return FtpSocketDataProviderFileDownload::OnWrite(data);
 743     }
 744   }
 745
 746  private:
 747   const char* expected_user_;
 748   const char* expected_password_;
 749
 750   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEvilLogin);
 751 };
 752
 753 class FtpSocketDataProviderCloseConnection : public FtpSocketDataProvider {
 754  public:
 755   FtpSocketDataProviderCloseConnection() {
 756   }
 757
 758   MockWriteResult OnWrite(const std::string& data) override {
 759     if (InjectFault())
 760       return MockWriteResult(ASYNC, data.length());
 761     switch (state()) {
 762       case PRE_USER:
 763         return Verify("USER anonymous\r\n", data,
 764                       PRE_QUIT, "");
 765       default:
 766         return FtpSocketDataProvider::OnWrite(data);
 767     }
 768   }
 769
 770  private:
 771   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderCloseConnection);
 772 };
 773
 774 class FtpNetworkTransactionTest
 775     : public PlatformTest,
 776       public ::testing::WithParamInterface<int> {
 777  public:
 778   FtpNetworkTransactionTest()
 779       : host_resolver_(new MockHostResolver),
 780         session_(new FtpNetworkSession(host_resolver_.get())),
 781         transaction_(session_.get(), &mock_socket_factory_) {
 782     scoped_refptr<RuleBasedHostResolverProc> rules(
 783         new RuleBasedHostResolverProc(NULL));
 784     if (GetFamily() == AF_INET) {
 785       rules->AddIPLiteralRule("*", "127.0.0.1", "127.0.0.1");
 786     } else if (GetFamily() == AF_INET6) {
 787       rules->AddIPLiteralRule("*", "::1", "::1");
 788     } else {
 789       NOTREACHED();
 790     }
 791     host_resolver_->set_rules(rules.get());
 792   }
 793
 794  protected:
 795   // Accessor to make code refactoring-friendly, e.g. when we change the way
 796   // parameters are passed (like more parameters).
 797   int GetFamily() {
 798     return GetParam();
 799   }
 800
 801   FtpRequestInfo GetRequestInfo(const std::string& url) {
 802     FtpRequestInfo info;
 803     info.url = GURL(url);
 804     return info;
 805   }
 806
 807   void ExecuteTransaction(FtpSocketDataProvider* ctrl_socket,
 808                           const char* request,
 809                           int data_socket,
 810                           int expected_result) {
 811     // Expect EPSV usage for non-IPv4 control connections.
 812     ctrl_socket->set_use_epsv((GetFamily() != AF_INET));
 813
 814     mock_socket_factory_.AddSocketDataProvider(ctrl_socket);
 815
 816     std::string mock_data("mock-data");
 817     MockRead data_reads[] = {
 818       // Usually FTP servers close the data connection after the entire data has
 819       // been received.
 820       MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
 821       MockRead(mock_data.c_str()),
 822     };
 823
 824     ScopedVector<StaticSocketDataProvider> data_sockets;
 825     data_sockets.reserve(data_socket);
 826     for (int i = 0; i < data_socket + 1; i++) {
 827       // We only read from one data socket, other ones are dummy.
 828       if (i == data_socket) {
 829         data_sockets.push_back(new StaticSocketDataProvider(
 830                                    data_reads, arraysize(data_reads), NULL, 0));
 831       } else {
 832         data_sockets.push_back(new StaticSocketDataProvider);
 833       }
 834       mock_socket_factory_.AddSocketDataProvider(data_sockets[i]);
 835     }
 836
 837     FtpRequestInfo request_info = GetRequestInfo(request);
 838     EXPECT_EQ(LOAD_STATE_IDLE, transaction_.GetLoadState());
 839     ASSERT_EQ(ERR_IO_PENDING,
 840               transaction_.Start(&request_info, callback_.callback(),
 841                                  BoundNetLog()));
 842     EXPECT_NE(LOAD_STATE_IDLE, transaction_.GetLoadState());
 843     ASSERT_EQ(expected_result, callback_.WaitForResult());
 844     if (expected_result == OK) {
 845       scoped_refptr<IOBuffer> io_buffer(new IOBuffer(kBufferSize));
 846       memset(io_buffer->data(), 0, kBufferSize);
 847       ASSERT_EQ(ERR_IO_PENDING,
 848                 transaction_.Read(io_buffer.get(), kBufferSize,
 849                                   callback_.callback()));
 850       ASSERT_EQ(static_cast<int>(mock_data.length()),
 851                 callback_.WaitForResult());
 852       EXPECT_EQ(mock_data, std::string(io_buffer->data(), mock_data.length()));
 853
 854       // Do another Read to detect that the data socket is now closed.
 855       int rv = transaction_.Read(io_buffer.get(), kBufferSize,
 856                                  callback_.callback());
 857       if (rv == ERR_IO_PENDING) {
 858         EXPECT_EQ(0, callback_.WaitForResult());
 859       } else {
 860         EXPECT_EQ(0, rv);
 861       }
 862     }
 863     EXPECT_EQ(FtpSocketDataProvider::QUIT, ctrl_socket->state());
 864     EXPECT_EQ(LOAD_STATE_IDLE, transaction_.GetLoadState());
 865   }
 866
 867   void TransactionFailHelper(FtpSocketDataProvider* ctrl_socket,
 868                              const char* request,
 869                              FtpSocketDataProvider::State state,
 870                              FtpSocketDataProvider::State next_state,
 871                              const char* response,
 872                              int expected_result) {
 873     ctrl_socket->InjectFailure(state, next_state, response);
 874     ExecuteTransaction(ctrl_socket, request, 1, expected_result);
 875   }
 876
 877   scoped_ptr<MockHostResolver> host_resolver_;
 878   scoped_refptr<FtpNetworkSession> session_;
 879   MockClientSocketFactory mock_socket_factory_;
 880   FtpNetworkTransaction transaction_;
 881   TestCompletionCallback callback_;
 882 };
 883
 884 TEST_P(FtpNetworkTransactionTest, FailedLookup) {
 885   FtpRequestInfo request_info = GetRequestInfo("ftp://badhost");
 886   scoped_refptr<RuleBasedHostResolverProc> rules(
 887       new RuleBasedHostResolverProc(NULL));
 888   rules->AddSimulatedFailure("badhost");
 889   host_resolver_->set_rules(rules.get());
 890
 891   EXPECT_EQ(LOAD_STATE_IDLE, transaction_.GetLoadState());
 892   ASSERT_EQ(ERR_IO_PENDING,
 893             transaction_.Start(&request_info, callback_.callback(),
 894                                BoundNetLog()));
 895   ASSERT_EQ(ERR_NAME_NOT_RESOLVED, callback_.WaitForResult());
 896   EXPECT_EQ(LOAD_STATE_IDLE, transaction_.GetLoadState());
 897 }
 898
 899 // Check that when determining the host, the square brackets decorating IPv6
 900 // literals in URLs are stripped.
 901 TEST_P(FtpNetworkTransactionTest, StripBracketsFromIPv6Literals) {
 902   // This test only makes sense for IPv6 connections.
 903   if (GetFamily() != AF_INET6)
 904     return;
 905
 906   host_resolver_->rules()->AddSimulatedFailure("[::1]");
 907
 908   // We start a transaction that is expected to fail with ERR_INVALID_RESPONSE.
 909   // The important part of this test is to make sure that we don't fail with
 910   // ERR_NAME_NOT_RESOLVED, since that would mean the decorated hostname
 911   // was used.
 912   FtpSocketDataProviderEvilSize ctrl_socket(
 913       "213 99999999999999999999999999999999\r\n",
 914       FtpSocketDataProvider::PRE_QUIT);
 915   ExecuteTransaction(&ctrl_socket, "ftp://[::1]/file", 1, ERR_INVALID_RESPONSE);
 916 }
 917
 918 TEST_P(FtpNetworkTransactionTest, DirectoryTransaction) {
 919   FtpSocketDataProviderDirectoryListing ctrl_socket;
 920   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 921
 922   EXPECT_TRUE(transaction_.GetResponseInfo()->is_directory_listing);
 923   EXPECT_EQ(-1, transaction_.GetResponseInfo()->expected_content_size);
 924   EXPECT_EQ((GetFamily() == AF_INET) ? "127.0.0.1" : "::1",
 925             transaction_.GetResponseInfo()->socket_address.host());
 926   EXPECT_EQ(21, transaction_.GetResponseInfo()->socket_address.port());
 927 }
 928
 929 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionWithPasvFallback) {
 930   FtpSocketDataProviderDirectoryListingWithPasvFallback ctrl_socket;
 931   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 932
 933   EXPECT_TRUE(transaction_.GetResponseInfo()->is_directory_listing);
 934   EXPECT_EQ(-1, transaction_.GetResponseInfo()->expected_content_size);
 935 }
 936
 937 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionWithTypecode) {
 938   FtpSocketDataProviderDirectoryListing ctrl_socket;
 939   ExecuteTransaction(&ctrl_socket, "ftp://host;type=d", 1, OK);
 940
 941   EXPECT_TRUE(transaction_.GetResponseInfo()->is_directory_listing);
 942   EXPECT_EQ(-1, transaction_.GetResponseInfo()->expected_content_size);
 943 }
 944
 945 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionMultilineWelcome) {
 946   FtpSocketDataProviderDirectoryListing ctrl_socket;
 947   ctrl_socket.set_multiline_welcome(true);
 948   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 949 }
 950
 951 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionShortReads2) {
 952   FtpSocketDataProviderDirectoryListing ctrl_socket;
 953   ctrl_socket.set_short_read_limit(2);
 954   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 955 }
 956
 957 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionShortReads5) {
 958   FtpSocketDataProviderDirectoryListing ctrl_socket;
 959   ctrl_socket.set_short_read_limit(5);
 960   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 961 }
 962
 963 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionMultilineWelcomeShort) {
 964   FtpSocketDataProviderDirectoryListing ctrl_socket;
 965   // The client will not consume all three 230 lines. That's good, we want to
 966   // test that scenario.
 967   ctrl_socket.allow_unconsumed_reads(true);
 968   ctrl_socket.set_multiline_welcome(true);
 969   ctrl_socket.set_short_read_limit(5);
 970   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 971 }
 972
 973 // Regression test for http://crbug.com/60555.
 974 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionZeroSize) {
 975   FtpSocketDataProviderDirectoryListingZeroSize ctrl_socket;
 976   ExecuteTransaction(&ctrl_socket, "ftp://host", 0, OK);
 977 }
 978
 979 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionVMS) {
 980   FtpSocketDataProviderVMSDirectoryListing ctrl_socket;
 981   ExecuteTransaction(&ctrl_socket, "ftp://host/dir", 1, OK);
 982 }
 983
 984 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionVMSRootDirectory) {
 985   FtpSocketDataProviderVMSDirectoryListingRootDirectory ctrl_socket;
 986   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 987 }
 988
 989 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionTransferStarting) {
 990   FtpSocketDataProviderDirectoryListingTransferStarting ctrl_socket;
 991   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, OK);
 992 }
 993
 994 TEST_P(FtpNetworkTransactionTest, DownloadTransaction) {
 995   FtpSocketDataProviderFileDownload ctrl_socket;
 996   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
 997
 998   // We pass an artificial value of 18 as a response to the SIZE command.
 999   EXPECT_EQ(18, transaction_.GetResponseInfo()->expected_content_size);
1000   EXPECT_EQ((GetFamily() == AF_INET) ? "127.0.0.1" : "::1",
1001             transaction_.GetResponseInfo()->socket_address.host());
1002   EXPECT_EQ(21, transaction_.GetResponseInfo()->socket_address.port());
1003 }
1004
1005 TEST_P(FtpNetworkTransactionTest, DownloadTransactionWithPasvFallback) {
1006   FtpSocketDataProviderFileDownloadWithPasvFallback ctrl_socket;
1007   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1008
1009   // We pass an artificial value of 18 as a response to the SIZE command.
1010   EXPECT_EQ(18, transaction_.GetResponseInfo()->expected_content_size);
1011 }
1012
1013 TEST_P(FtpNetworkTransactionTest, DownloadTransactionWithTypecodeA) {
1014   FtpSocketDataProviderFileDownloadWithFileTypecode ctrl_socket;
1015   ctrl_socket.set_data_type('A');
1016   ExecuteTransaction(&ctrl_socket, "ftp://host/file;type=a", 0, OK);
1017
1018   // We pass an artificial value of 18 as a response to the SIZE command.
1019   EXPECT_EQ(18, transaction_.GetResponseInfo()->expected_content_size);
1020 }
1021
1022 TEST_P(FtpNetworkTransactionTest, DownloadTransactionWithTypecodeI) {
1023   FtpSocketDataProviderFileDownloadWithFileTypecode ctrl_socket;
1024   ExecuteTransaction(&ctrl_socket, "ftp://host/file;type=i", 0, OK);
1025
1026   // We pass an artificial value of 18 as a response to the SIZE command.
1027   EXPECT_EQ(18, transaction_.GetResponseInfo()->expected_content_size);
1028 }
1029
1030 TEST_P(FtpNetworkTransactionTest, DownloadTransactionMultilineWelcome) {
1031   FtpSocketDataProviderFileDownload ctrl_socket;
1032   ctrl_socket.set_multiline_welcome(true);
1033   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1034 }
1035
1036 TEST_P(FtpNetworkTransactionTest, DownloadTransactionShortReads2) {
1037   FtpSocketDataProviderFileDownload ctrl_socket;
1038   ctrl_socket.set_short_read_limit(2);
1039   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1040 }
1041
1042 TEST_P(FtpNetworkTransactionTest, DownloadTransactionShortReads5) {
1043   FtpSocketDataProviderFileDownload ctrl_socket;
1044   ctrl_socket.set_short_read_limit(5);
1045   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1046 }
1047
1048 TEST_P(FtpNetworkTransactionTest, DownloadTransactionZeroSize) {
1049   FtpSocketDataProviderFileDownloadZeroSize ctrl_socket;
1050   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1051 }
1052
1053 TEST_P(FtpNetworkTransactionTest, DownloadTransactionCWD451) {
1054   FtpSocketDataProviderFileDownloadCWD451 ctrl_socket;
1055   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1056 }
1057
1058 TEST_P(FtpNetworkTransactionTest, DownloadTransactionVMS) {
1059   FtpSocketDataProviderVMSFileDownload ctrl_socket;
1060   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1061 }
1062
1063 TEST_P(FtpNetworkTransactionTest, DownloadTransactionTransferStarting) {
1064   FtpSocketDataProviderFileDownloadTransferStarting ctrl_socket;
1065   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1066 }
1067
1068 TEST_P(FtpNetworkTransactionTest, DownloadTransactionInvalidResponse) {
1069   FtpSocketDataProviderFileDownloadInvalidResponse ctrl_socket;
1070   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1071 }
1072
1073 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvReallyBadFormat) {
1074   FtpSocketDataProviderEvilPasv ctrl_socket("227 Portscan (127,0,0,\r\n",
1075                                             FtpSocketDataProvider::PRE_QUIT);
1076   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1077 }
1078
1079 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvUnsafePort1) {
1080   FtpSocketDataProviderEvilPasv ctrl_socket("227 Portscan (127,0,0,1,0,22)\r\n",
1081                                             FtpSocketDataProvider::PRE_QUIT);
1082   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1083 }
1084
1085 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvUnsafePort2) {
1086   // Still unsafe. 1 * 256 + 2 = 258, which is < 1024.
1087   FtpSocketDataProviderEvilPasv ctrl_socket("227 Portscan (127,0,0,1,1,2)\r\n",
1088                                             FtpSocketDataProvider::PRE_QUIT);
1089   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1090 }
1091
1092 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvUnsafePort3) {
1093   // Still unsafe. 3 * 256 + 4 = 772, which is < 1024.
1094   FtpSocketDataProviderEvilPasv ctrl_socket("227 Portscan (127,0,0,1,3,4)\r\n",
1095                                             FtpSocketDataProvider::PRE_QUIT);
1096   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1097 }
1098
1099 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvUnsafePort4) {
1100   // Unsafe. 8 * 256 + 1 = 2049, which is used by nfs.
1101   FtpSocketDataProviderEvilPasv ctrl_socket("227 Portscan (127,0,0,1,8,1)\r\n",
1102                                             FtpSocketDataProvider::PRE_QUIT);
1103   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1104 }
1105
1106 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilPasvUnsafeHost) {
1107   FtpSocketDataProviderEvilPasv ctrl_socket(
1108       "227 Portscan (10,1,2,3,123,456)\r\n", FtpSocketDataProvider::PRE_SIZE);
1109   ctrl_socket.set_use_epsv(GetFamily() != AF_INET);
1110   std::string mock_data("mock-data");
1111   MockRead data_reads[] = {
1112     MockRead(mock_data.c_str()),
1113   };
1114   StaticSocketDataProvider data_socket1;
1115   StaticSocketDataProvider data_socket2(data_reads, arraysize(data_reads),
1116                                         NULL, 0);
1117   mock_socket_factory_.AddSocketDataProvider(&ctrl_socket);
1118   mock_socket_factory_.AddSocketDataProvider(&data_socket1);
1119   mock_socket_factory_.AddSocketDataProvider(&data_socket2);
1120   FtpRequestInfo request_info = GetRequestInfo("ftp://host/file");
1121
1122   // Start the transaction.
1123   ASSERT_EQ(ERR_IO_PENDING,
1124             transaction_.Start(&request_info, callback_.callback(),
1125                                BoundNetLog()));
1126   ASSERT_EQ(OK, callback_.WaitForResult());
1127
1128   // The transaction fires the callback when we can start reading data. That
1129   // means that the data socket should be open.
1130   MockTCPClientSocket* data_socket =
1131       static_cast<MockTCPClientSocket*>(transaction_.data_socket_.get());
1132   ASSERT_TRUE(data_socket);
1133   ASSERT_TRUE(data_socket->IsConnected());
1134
1135   // Even if the PASV response specified some other address, we connect
1136   // to the address we used for control connection (which could be 127.0.0.1
1137   // or ::1 depending on whether we use IPv6).
1138   for (AddressList::const_iterator it = data_socket->addresses().begin();
1139       it != data_socket->addresses().end(); ++it) {
1140     EXPECT_NE("10.1.2.3", it->ToStringWithoutPort());
1141   }
1142 }
1143
1144 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvReallyBadFormat1) {
1145   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1146   if (GetFamily() == AF_INET)
1147     return;
1148
1149   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|||22)\r\n",
1150                                             FtpSocketDataProvider::PRE_QUIT);
1151   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1152 }
1153
1154 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvReallyBadFormat2) {
1155   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1156   if (GetFamily() == AF_INET)
1157     return;
1158
1159   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (||\r\n",
1160                                             FtpSocketDataProvider::PRE_QUIT);
1161   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1162 }
1163
1164 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvReallyBadFormat3) {
1165   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1166   if (GetFamily() == AF_INET)
1167     return;
1168
1169   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan\r\n",
1170                                             FtpSocketDataProvider::PRE_QUIT);
1171   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1172 }
1173
1174 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvReallyBadFormat4) {
1175   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1176   if (GetFamily() == AF_INET)
1177     return;
1178
1179   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (||||)\r\n",
1180                                             FtpSocketDataProvider::PRE_QUIT);
1181   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1182 }
1183
1184 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvReallyBadFormat5) {
1185   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1186   if (GetFamily() == AF_INET)
1187     return;
1188
1189   // Breaking the string in the next line prevents MSVC warning C4125.
1190   const char response[] = "227 Portscan (\0\0\031" "773\0)\r\n";
1191   FtpSocketDataProviderEvilEpsv ctrl_socket(response, sizeof(response)-1,
1192                                             FtpSocketDataProvider::PRE_QUIT);
1193   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1194 }
1195
1196 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvUnsafePort1) {
1197   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1198   if (GetFamily() == AF_INET)
1199     return;
1200
1201   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|||22|)\r\n",
1202                                             FtpSocketDataProvider::PRE_QUIT);
1203   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1204 }
1205
1206 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvUnsafePort2) {
1207   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1208   if (GetFamily() == AF_INET)
1209     return;
1210
1211   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|||258|)\r\n",
1212                                             FtpSocketDataProvider::PRE_QUIT);
1213   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1214 }
1215
1216 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvUnsafePort3) {
1217   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1218   if (GetFamily() == AF_INET)
1219     return;
1220
1221   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|||772|)\r\n",
1222                                             FtpSocketDataProvider::PRE_QUIT);
1223   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1224 }
1225
1226 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvUnsafePort4) {
1227   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1228   if (GetFamily() == AF_INET)
1229     return;
1230
1231   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|||2049|)\r\n",
1232                                             FtpSocketDataProvider::PRE_QUIT);
1233   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1234 }
1235
1236 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvWeirdSep) {
1237   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1238   if (GetFamily() == AF_INET)
1239     return;
1240
1241   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan ($$$31744$)\r\n",
1242                                             FtpSocketDataProvider::PRE_SIZE);
1243   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1244 }
1245
1246 TEST_P(FtpNetworkTransactionTest,
1247        DownloadTransactionEvilEpsvWeirdSepUnsafePort) {
1248   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1249   if (GetFamily() == AF_INET)
1250     return;
1251
1252   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan ($$$317$)\r\n",
1253                                             FtpSocketDataProvider::PRE_QUIT);
1254   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_UNSAFE_PORT);
1255 }
1256
1257 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilEpsvIllegalHost) {
1258   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1259   if (GetFamily() == AF_INET)
1260     return;
1261
1262   FtpSocketDataProviderEvilEpsv ctrl_socket("227 Portscan (|2|::1|31744|)\r\n",
1263                                             FtpSocketDataProvider::PRE_QUIT);
1264   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1265 }
1266
1267 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilLoginBadUsername) {
1268   FtpSocketDataProviderEvilLogin ctrl_socket("hello%0Aworld", "test");
1269   ExecuteTransaction(&ctrl_socket, "ftp://hello%0Aworld:test@host/file", 1, OK);
1270 }
1271
1272 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilLoginBadPassword) {
1273   FtpSocketDataProviderEvilLogin ctrl_socket("test", "hello%0Dworld");
1274   ExecuteTransaction(&ctrl_socket, "ftp://test:hello%0Dworld@host/file", 1, OK);
1275 }
1276
1277 TEST_P(FtpNetworkTransactionTest, DownloadTransactionSpaceInLogin) {
1278   FtpSocketDataProviderEvilLogin ctrl_socket("hello world", "test");
1279   ExecuteTransaction(&ctrl_socket, "ftp://hello%20world:test@host/file", 1, OK);
1280 }
1281
1282 TEST_P(FtpNetworkTransactionTest, DownloadTransactionSpaceInPassword) {
1283   FtpSocketDataProviderEvilLogin ctrl_socket("test", "hello world");
1284   ExecuteTransaction(&ctrl_socket, "ftp://test:hello%20world@host/file", 1, OK);
1285 }
1286
1287 TEST_P(FtpNetworkTransactionTest, EvilRestartUser) {
1288   FtpSocketDataProvider ctrl_socket1;
1289   ctrl_socket1.InjectFailure(FtpSocketDataProvider::PRE_PASSWD,
1290                              FtpSocketDataProvider::PRE_QUIT,
1291                              "530 Login authentication failed\r\n");
1292   mock_socket_factory_.AddSocketDataProvider(&ctrl_socket1);
1293
1294   FtpRequestInfo request_info = GetRequestInfo("ftp://host/file");
1295
1296   ASSERT_EQ(ERR_IO_PENDING,
1297             transaction_.Start(&request_info, callback_.callback(),
1298                                BoundNetLog()));
1299   ASSERT_EQ(ERR_FTP_FAILED, callback_.WaitForResult());
1300
1301   MockRead ctrl_reads[] = {
1302     MockRead("220 host TestFTPd\r\n"),
1303     MockRead("221 Goodbye!\r\n"),
1304     MockRead(SYNCHRONOUS, OK),
1305   };
1306   MockWrite ctrl_writes[] = {
1307     MockWrite("QUIT\r\n"),
1308   };
1309   StaticSocketDataProvider ctrl_socket2(ctrl_reads, arraysize(ctrl_reads),
1310                                         ctrl_writes, arraysize(ctrl_writes));
1311   mock_socket_factory_.AddSocketDataProvider(&ctrl_socket2);
1312   ASSERT_EQ(ERR_IO_PENDING,
1313             transaction_.RestartWithAuth(
1314                 AuthCredentials(
1315                     base::ASCIIToUTF16("foo\nownz0red"),
1316                     base::ASCIIToUTF16("innocent")),
1317                 callback_.callback()));
1318   EXPECT_EQ(ERR_MALFORMED_IDENTITY, callback_.WaitForResult());
1319 }
1320
1321 TEST_P(FtpNetworkTransactionTest, EvilRestartPassword) {
1322   FtpSocketDataProvider ctrl_socket1;
1323   ctrl_socket1.InjectFailure(FtpSocketDataProvider::PRE_PASSWD,
1324                              FtpSocketDataProvider::PRE_QUIT,
1325                              "530 Login authentication failed\r\n");
1326   mock_socket_factory_.AddSocketDataProvider(&ctrl_socket1);
1327
1328   FtpRequestInfo request_info = GetRequestInfo("ftp://host/file");
1329
1330   ASSERT_EQ(ERR_IO_PENDING,
1331             transaction_.Start(&request_info, callback_.callback(),
1332                                BoundNetLog()));
1333   ASSERT_EQ(ERR_FTP_FAILED, callback_.WaitForResult());
1334
1335   MockRead ctrl_reads[] = {
1336     MockRead("220 host TestFTPd\r\n"),
1337     MockRead("331 User okay, send password\r\n"),
1338     MockRead("221 Goodbye!\r\n"),
1339     MockRead(SYNCHRONOUS, OK),
1340   };
1341   MockWrite ctrl_writes[] = {
1342     MockWrite("USER innocent\r\n"),
1343     MockWrite("QUIT\r\n"),
1344   };
1345   StaticSocketDataProvider ctrl_socket2(ctrl_reads, arraysize(ctrl_reads),
1346                                         ctrl_writes, arraysize(ctrl_writes));
1347   mock_socket_factory_.AddSocketDataProvider(&ctrl_socket2);
1348   ASSERT_EQ(ERR_IO_PENDING,
1349             transaction_.RestartWithAuth(
1350                 AuthCredentials(base::ASCIIToUTF16("innocent"),
1351                                 base::ASCIIToUTF16("foo\nownz0red")),
1352                 callback_.callback()));
1353   EXPECT_EQ(ERR_MALFORMED_IDENTITY, callback_.WaitForResult());
1354 }
1355
1356 TEST_P(FtpNetworkTransactionTest, Escaping) {
1357   FtpSocketDataProviderEscaping ctrl_socket;
1358   ExecuteTransaction(&ctrl_socket, "ftp://host/%20%21%22%23%24%25%79%80%81",
1359                      1, OK);
1360 }
1361
1362 // Test for http://crbug.com/23794.
1363 TEST_P(FtpNetworkTransactionTest, DownloadTransactionEvilSize) {
1364   // Try to overflow int64 in the response.
1365   FtpSocketDataProviderEvilSize ctrl_socket(
1366       "213 99999999999999999999999999999999\r\n",
1367       FtpSocketDataProvider::PRE_QUIT);
1368   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, ERR_INVALID_RESPONSE);
1369 }
1370
1371 // Test for http://crbug.com/36360.
1372 TEST_P(FtpNetworkTransactionTest, DownloadTransactionBigSize) {
1373   // Pass a valid, but large file size. The transaction should not fail.
1374   FtpSocketDataProviderEvilSize ctrl_socket(
1375       "213 3204427776\r\n",
1376       FtpSocketDataProvider::PRE_CWD);
1377   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 1, OK);
1378   EXPECT_EQ(3204427776LL,
1379             transaction_.GetResponseInfo()->expected_content_size);
1380 }
1381
1382 // Regression test for http://crbug.com/25023.
1383 TEST_P(FtpNetworkTransactionTest, CloseConnection) {
1384   FtpSocketDataProviderCloseConnection ctrl_socket;
1385   ExecuteTransaction(&ctrl_socket, "ftp://host", 1, ERR_EMPTY_RESPONSE);
1386 }
1387
1388 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailUser) {
1389   FtpSocketDataProviderDirectoryListing ctrl_socket;
1390   // Use unallocated 599 FTP error code to make sure it falls into the generic
1391   // ERR_FTP_FAILED bucket.
1392   TransactionFailHelper(&ctrl_socket,
1393                         "ftp://host",
1394                         FtpSocketDataProvider::PRE_USER,
1395                         FtpSocketDataProvider::PRE_QUIT,
1396                         "599 fail\r\n",
1397                         ERR_FTP_FAILED);
1398 }
1399
1400 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailPass) {
1401   FtpSocketDataProviderDirectoryListing ctrl_socket;
1402   TransactionFailHelper(&ctrl_socket,
1403                         "ftp://host",
1404                         FtpSocketDataProvider::PRE_PASSWD,
1405                         FtpSocketDataProvider::PRE_QUIT,
1406                         "530 Login authentication failed\r\n",
1407                         ERR_FTP_FAILED);
1408 }
1409
1410 // Regression test for http://crbug.com/38707.
1411 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailPass503) {
1412   FtpSocketDataProviderDirectoryListing ctrl_socket;
1413   TransactionFailHelper(&ctrl_socket,
1414                         "ftp://host",
1415                         FtpSocketDataProvider::PRE_PASSWD,
1416                         FtpSocketDataProvider::PRE_QUIT,
1417                         "503 Bad sequence of commands\r\n",
1418                         ERR_FTP_BAD_COMMAND_SEQUENCE);
1419 }
1420
1421 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailSyst) {
1422   FtpSocketDataProviderDirectoryListing ctrl_socket;
1423   // Use unallocated 599 FTP error code to make sure it falls into the generic
1424   // ERR_FTP_FAILED bucket.
1425   TransactionFailHelper(&ctrl_socket,
1426                         "ftp://host",
1427                         FtpSocketDataProvider::PRE_SYST,
1428                         FtpSocketDataProvider::PRE_PWD,
1429                         "599 fail\r\n",
1430                         OK);
1431 }
1432
1433 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailPwd) {
1434   FtpSocketDataProviderDirectoryListing ctrl_socket;
1435   // Use unallocated 599 FTP error code to make sure it falls into the generic
1436   // ERR_FTP_FAILED bucket.
1437   TransactionFailHelper(&ctrl_socket,
1438                         "ftp://host",
1439                         FtpSocketDataProvider::PRE_PWD,
1440                         FtpSocketDataProvider::PRE_QUIT,
1441                         "599 fail\r\n",
1442                         ERR_FTP_FAILED);
1443 }
1444
1445 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailType) {
1446   FtpSocketDataProviderDirectoryListing ctrl_socket;
1447   // Use unallocated 599 FTP error code to make sure it falls into the generic
1448   // ERR_FTP_FAILED bucket.
1449   TransactionFailHelper(&ctrl_socket,
1450                         "ftp://host",
1451                         FtpSocketDataProvider::PRE_TYPE,
1452                         FtpSocketDataProvider::PRE_QUIT,
1453                         "599 fail\r\n",
1454                         ERR_FTP_FAILED);
1455 }
1456
1457 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailEpsv) {
1458   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1459   if (GetFamily() == AF_INET)
1460     return;
1461
1462   FtpSocketDataProviderDirectoryListing ctrl_socket;
1463   // Use unallocated 599 FTP error code to make sure it falls into the generic
1464   // ERR_FTP_FAILED bucket.
1465   TransactionFailHelper(&ctrl_socket,
1466                         "ftp://host",
1467                         FtpSocketDataProvider::PRE_EPSV,
1468                         FtpSocketDataProvider::PRE_NOPASV,
1469                         "599 fail\r\n",
1470                         ERR_FTP_FAILED);
1471 }
1472
1473 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailCwd) {
1474   FtpSocketDataProviderDirectoryListing ctrl_socket;
1475   // Use unallocated 599 FTP error code to make sure it falls into the generic
1476   // ERR_FTP_FAILED bucket.
1477   TransactionFailHelper(&ctrl_socket,
1478                         "ftp://host",
1479                         FtpSocketDataProvider::PRE_CWD,
1480                         FtpSocketDataProvider::PRE_QUIT,
1481                         "599 fail\r\n",
1482                         ERR_FTP_FAILED);
1483 }
1484
1485 TEST_P(FtpNetworkTransactionTest, DirectoryTransactionFailList) {
1486   FtpSocketDataProviderVMSDirectoryListing ctrl_socket;
1487   // Use unallocated 599 FTP error code to make sure it falls into the generic
1488   // ERR_FTP_FAILED bucket.
1489   TransactionFailHelper(&ctrl_socket,
1490                         "ftp://host/dir",
1491                         FtpSocketDataProvider::PRE_LIST,
1492                         FtpSocketDataProvider::PRE_QUIT,
1493                         "599 fail\r\n",
1494                         ERR_FTP_FAILED);
1495 }
1496
1497 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailUser) {
1498   FtpSocketDataProviderFileDownload ctrl_socket;
1499   // Use unallocated 599 FTP error code to make sure it falls into the generic
1500   // ERR_FTP_FAILED bucket.
1501   TransactionFailHelper(&ctrl_socket,
1502                         "ftp://host/file",
1503                         FtpSocketDataProvider::PRE_USER,
1504                         FtpSocketDataProvider::PRE_QUIT,
1505                         "599 fail\r\n",
1506                         ERR_FTP_FAILED);
1507 }
1508
1509 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailPass) {
1510   FtpSocketDataProviderFileDownload ctrl_socket;
1511   TransactionFailHelper(&ctrl_socket,
1512                         "ftp://host/file",
1513                         FtpSocketDataProvider::PRE_PASSWD,
1514                         FtpSocketDataProvider::PRE_QUIT,
1515                         "530 Login authentication failed\r\n",
1516                         ERR_FTP_FAILED);
1517 }
1518
1519 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailSyst) {
1520   FtpSocketDataProviderFileDownload ctrl_socket;
1521   // Use unallocated 599 FTP error code to make sure it falls into the generic
1522   // ERR_FTP_FAILED bucket.
1523   TransactionFailHelper(&ctrl_socket,
1524                         "ftp://host/file",
1525                         FtpSocketDataProvider::PRE_SYST,
1526                         FtpSocketDataProvider::PRE_PWD,
1527                         "599 fail\r\n",
1528                         OK);
1529 }
1530
1531 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailPwd) {
1532   FtpSocketDataProviderFileDownload ctrl_socket;
1533   // Use unallocated 599 FTP error code to make sure it falls into the generic
1534   // ERR_FTP_FAILED bucket.
1535   TransactionFailHelper(&ctrl_socket,
1536                         "ftp://host/file",
1537                         FtpSocketDataProvider::PRE_PWD,
1538                         FtpSocketDataProvider::PRE_QUIT,
1539                         "599 fail\r\n",
1540                         ERR_FTP_FAILED);
1541 }
1542
1543 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailType) {
1544   FtpSocketDataProviderFileDownload ctrl_socket;
1545   // Use unallocated 599 FTP error code to make sure it falls into the generic
1546   // ERR_FTP_FAILED bucket.
1547   TransactionFailHelper(&ctrl_socket,
1548                         "ftp://host/file",
1549                         FtpSocketDataProvider::PRE_TYPE,
1550                         FtpSocketDataProvider::PRE_QUIT,
1551                         "599 fail\r\n",
1552                         ERR_FTP_FAILED);
1553 }
1554
1555 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailEpsv) {
1556   // This test makes no sense for IPv4 connections (we don't use EPSV there).
1557   if (GetFamily() == AF_INET)
1558     return;
1559
1560   FtpSocketDataProviderFileDownload ctrl_socket;
1561   // Use unallocated 599 FTP error code to make sure it falls into the generic
1562   // ERR_FTP_FAILED bucket.
1563   TransactionFailHelper(&ctrl_socket,
1564                         "ftp://host/file",
1565                         FtpSocketDataProvider::PRE_EPSV,
1566                         FtpSocketDataProvider::PRE_NOPASV,
1567                         "599 fail\r\n",
1568                         ERR_FTP_FAILED);
1569 }
1570
1571 TEST_P(FtpNetworkTransactionTest, DownloadTransactionFailRetr) {
1572   FtpSocketDataProviderFileDownload ctrl_socket;
1573   // Use unallocated 599 FTP error code to make sure it falls into the generic
1574   // ERR_FTP_FAILED bucket.
1575   TransactionFailHelper(&ctrl_socket,
1576                         "ftp://host/file",
1577                         FtpSocketDataProvider::PRE_RETR,
1578                         FtpSocketDataProvider::PRE_QUIT,
1579                         "599 fail\r\n",
1580                         ERR_FTP_FAILED);
1581 }
1582
1583 TEST_P(FtpNetworkTransactionTest, FileNotFound) {
1584   FtpSocketDataProviderFileNotFound ctrl_socket;
1585   ExecuteTransaction(&ctrl_socket, "ftp://host/file", 2, ERR_FTP_FAILED);
1586 }
1587
1588 // Test for http://crbug.com/38845.
1589 TEST_P(FtpNetworkTransactionTest, ZeroLengthDirInPWD) {
1590   FtpSocketDataProviderFileDownload ctrl_socket;
1591   TransactionFailHelper(&ctrl_socket,
1592                         "ftp://host/file",
1593                         FtpSocketDataProvider::PRE_PWD,
1594                         FtpSocketDataProvider::PRE_TYPE,
1595                         "257 \"\"\r\n",
1596                         OK);
1597 }
1598
1599 INSTANTIATE_TEST_CASE_P(FTP,
1600                         FtpNetworkTransactionTest,
1601                         ::testing::Values(AF_INET, AF_INET6));
1602
1603 }  // namespace net