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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/enumerate_modules_model_win.h" | 5 #include "chrome/browser/enumerate_modules_model_win.h" |
6 | 6 |
7 #include <Tlhelp32.h> | 7 #include <Tlhelp32.h> |
8 #include <wintrust.h> | 8 #include <wintrust.h> |
9 | 9 |
10 #include "app/l10n_util.h" | 10 #include "app/l10n_util.h" |
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338 } | 338 } |
339 | 339 |
340 void ModuleEnumerator::ScanImpl() { | 340 void ModuleEnumerator::ScanImpl() { |
341 base::TimeTicks start_time = base::TimeTicks::Now(); | 341 base::TimeTicks start_time = base::TimeTicks::Now(); |
342 | 342 |
343 enumerated_modules_->clear(); | 343 enumerated_modules_->clear(); |
344 | 344 |
345 // Make sure the path mapping vector is setup so we can collapse paths. | 345 // Make sure the path mapping vector is setup so we can collapse paths. |
346 PreparePathMappings(); | 346 PreparePathMappings(); |
347 | 347 |
348 base::TimeTicks checkpoint = base::TimeTicks::Now(); | |
349 | |
350 // Enumerating loaded modules must happen first since the other types of | 348 // Enumerating loaded modules must happen first since the other types of |
351 // modules check for duplication against the loaded modules. | 349 // modules check for duplication against the loaded modules. |
| 350 base::TimeTicks checkpoint = base::TimeTicks::Now(); |
352 EnumerateLoadedModules(); | 351 EnumerateLoadedModules(); |
353 HISTOGRAM_TIMES("Conflicts.EnumerateLoadedModules", | 352 base::TimeTicks checkpoint2 = base::TimeTicks::Now(); |
354 base::TimeTicks::Now() - checkpoint); | 353 UMA_HISTOGRAM_TIMES("Conflicts.EnumerateLoadedModules", |
| 354 checkpoint2 - checkpoint); |
355 | 355 |
356 checkpoint = base::TimeTicks::Now(); | 356 checkpoint = checkpoint2; |
357 EnumerateShellExtensions(); | 357 EnumerateShellExtensions(); |
358 HISTOGRAM_TIMES("Conflicts.EnumerateShellExtensions", | 358 checkpoint2 = base::TimeTicks::Now(); |
359 base::TimeTicks::Now() - checkpoint); | 359 UMA_HISTOGRAM_TIMES("Conflicts.EnumerateShellExtensions", |
| 360 checkpoint2 - checkpoint); |
360 | 361 |
361 checkpoint = base::TimeTicks::Now(); | 362 checkpoint = checkpoint2; |
362 EnumerateWinsockModules(); | 363 EnumerateWinsockModules(); |
363 HISTOGRAM_TIMES("Conflicts.EnumerateWinsockModules", | 364 checkpoint2 = base::TimeTicks::Now(); |
364 base::TimeTicks::Now() - checkpoint); | 365 UMA_HISTOGRAM_TIMES("Conflicts.EnumerateWinsockModules", |
| 366 checkpoint2 - checkpoint); |
365 | 367 |
366 MatchAgainstBlacklist(); | 368 MatchAgainstBlacklist(); |
367 | 369 |
368 std::sort(enumerated_modules_->begin(), | 370 std::sort(enumerated_modules_->begin(), |
369 enumerated_modules_->end(), ModuleSort); | 371 enumerated_modules_->end(), ModuleSort); |
370 | 372 |
371 if (!limited_mode_) { | 373 if (!limited_mode_) { |
372 // Send a reply back on the UI thread. | 374 // Send a reply back on the UI thread. |
373 BrowserThread::PostTask( | 375 BrowserThread::PostTask( |
374 callback_thread_id_, FROM_HERE, | 376 callback_thread_id_, FROM_HERE, |
375 NewRunnableMethod(this, &ModuleEnumerator::ReportBack)); | 377 NewRunnableMethod(this, &ModuleEnumerator::ReportBack)); |
376 } else { | 378 } else { |
377 // We are on the main thread already. | 379 // We are on the main thread already. |
378 ReportBack(); | 380 ReportBack(); |
379 } | 381 } |
380 | 382 |
381 HISTOGRAM_TIMES("Conflicts.EnumerationTotalTime", | 383 UMA_HISTOGRAM_TIMES("Conflicts.EnumerationTotalTime", |
382 base::TimeTicks::Now() - start_time); | 384 base::TimeTicks::Now() - start_time); |
383 } | 385 } |
384 | 386 |
385 void ModuleEnumerator::EnumerateLoadedModules() { | 387 void ModuleEnumerator::EnumerateLoadedModules() { |
386 // Get all modules in the current process. | 388 // Get all modules in the current process. |
387 ScopedHandle snap(::CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, | 389 ScopedHandle snap(::CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, |
388 ::GetCurrentProcessId())); | 390 ::GetCurrentProcessId())); |
389 if (!snap.Get()) | 391 if (!snap.Get()) |
390 return; | 392 return; |
391 | 393 |
392 // Walk the module list. | 394 // Walk the module list. |
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830 module != enumerated_modules_.end(); ++module) { | 832 module != enumerated_modules_.end(); ++module) { |
831 if (module->status == ModuleEnumerator::CONFIRMED_BAD) | 833 if (module->status == ModuleEnumerator::CONFIRMED_BAD) |
832 ++confirmed_bad_modules_detected_; | 834 ++confirmed_bad_modules_detected_; |
833 if (module->status == ModuleEnumerator::SUSPECTED_BAD) | 835 if (module->status == ModuleEnumerator::SUSPECTED_BAD) |
834 ++suspected_bad_modules_detected_; | 836 ++suspected_bad_modules_detected_; |
835 } | 837 } |
836 | 838 |
837 scanning_ = false; | 839 scanning_ = false; |
838 lock->Release(); | 840 lock->Release(); |
839 | 841 |
840 HISTOGRAM_COUNTS_100("Conflicts.SuspectedBadModules", | 842 UMA_HISTOGRAM_COUNTS_100("Conflicts.SuspectedBadModules", |
841 suspected_bad_modules_detected_); | 843 suspected_bad_modules_detected_); |
842 HISTOGRAM_COUNTS_100("Conflicts.ConfirmedBadModules", | 844 UMA_HISTOGRAM_COUNTS_100("Conflicts.ConfirmedBadModules", |
843 confirmed_bad_modules_detected_); | 845 confirmed_bad_modules_detected_); |
844 | 846 |
845 // Notifications are not available in limited mode. | 847 // Notifications are not available in limited mode. |
846 if (limited_mode_) | 848 if (limited_mode_) |
847 return; | 849 return; |
848 | 850 |
849 NotificationService::current()->Notify( | 851 NotificationService::current()->Notify( |
850 NotificationType::MODULE_LIST_ENUMERATED, | 852 NotificationType::MODULE_LIST_ENUMERATED, |
851 Source<EnumerateModulesModel>(this), | 853 Source<EnumerateModulesModel>(this), |
852 NotificationService::NoDetails()); | 854 NotificationService::NoDetails()); |
853 | 855 |
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877 GenerateHash(WideToUTF8(module.name), &filename); | 879 GenerateHash(WideToUTF8(module.name), &filename); |
878 GenerateHash(WideToUTF8(module.location), &location); | 880 GenerateHash(WideToUTF8(module.location), &location); |
879 GenerateHash(WideToUTF8(module.description), &description); | 881 GenerateHash(WideToUTF8(module.description), &description); |
880 GenerateHash(WideToUTF8(module.digital_signer), &signer); | 882 GenerateHash(WideToUTF8(module.digital_signer), &signer); |
881 | 883 |
882 string16 url = l10n_util::GetStringFUTF16(IDS_HELP_CENTER_VIEW_CONFLICTS, | 884 string16 url = l10n_util::GetStringFUTF16(IDS_HELP_CENTER_VIEW_CONFLICTS, |
883 ASCIIToUTF16(filename), ASCIIToUTF16(location), | 885 ASCIIToUTF16(filename), ASCIIToUTF16(location), |
884 ASCIIToUTF16(description), ASCIIToUTF16(signer)); | 886 ASCIIToUTF16(description), ASCIIToUTF16(signer)); |
885 return GURL(UTF16ToUTF8(url)); | 887 return GURL(UTF16ToUTF8(url)); |
886 } | 888 } |
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