Add a ModuleLoadAnalyzer which checks modules against a whitelist

chrome/browser/safe_browsing/local_database_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/safe_browsing/local_database_manager.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 250 matching lines @@
     const scoped_refptr<SafeBrowsingService>& service)
     : sb_service_(service),
       database_(NULL),
       enabled_(false),
       enable_download_protection_(false),
       enable_csd_whitelist_(false),
       enable_download_whitelist_(false),
       enable_extension_blacklist_(false),
       enable_ip_blacklist_(false),
       enable_unwanted_software_blacklist_(true),
+      enable_module_whitelist_(true),
       update_in_progress_(false),
       database_update_in_progress_(false),
       closing_database_(false),
       check_timeout_(base::TimeDelta::FromMilliseconds(kCheckTimeoutMs)) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(sb_service_.get() != NULL);
 
   base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
   enable_download_protection_ =
       !cmdline->HasSwitch(switches::kSbDisableDownloadProtection);
@@ skipping 145 matching lines @@
 }
 
 bool LocalSafeBrowsingDatabaseManager::MatchInclusionWhitelistUrl(
     const GURL& url) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!enabled_ || !MakeDatabaseAvailable())
     return true;
   return database_->ContainsInclusionWhitelistedUrl(url);
 }
 
+bool LocalSafeBrowsingDatabaseManager::MatchModuleWhitelistString(
+    const std::string& str) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (!enabled_ || !enable_module_whitelist_ || !MakeDatabaseAvailable()) {
+    return true;
+  }
+  return database_->ContainsModuleWhitelistedString(str);
+}
+
 bool LocalSafeBrowsingDatabaseManager::IsMalwareKillSwitchOn() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!enabled_ || !MakeDatabaseAvailable()) {
     return true;
   }
   return database_->IsMalwareIPMatchKillSwitchOn();
 }
 
 bool LocalSafeBrowsingDatabaseManager::IsCsdWhitelistKillSwitchOn() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
@@ skipping 327 matching lines @@
   DCHECK(safe_browsing_task_runner_->RunsTasksOnCurrentThread());
 
   if (database_)
     return database_;
 
   const base::TimeTicks before = base::TimeTicks::Now();
   SafeBrowsingDatabase* database = SafeBrowsingDatabase::Create(
       safe_browsing_task_runner_, enable_download_protection_,
       enable_csd_whitelist_, enable_download_whitelist_,
       enable_extension_blacklist_, enable_ip_blacklist_,
-      enable_unwanted_software_blacklist_);
+      enable_unwanted_software_blacklist_, enable_module_whitelist_);
 
   database->Init(SafeBrowsingService::GetBaseFilename());
   {
     // Acquiring the lock here guarantees correct ordering between the writes to
     // the new database object above, and the setting of |database_| below.
     base::AutoLock lock(database_lock_);
     database_ = database;
   }
 
   BrowserThread::PostTask(
@@ skipping 399 matching lines @@
       FROM_HERE, base::Bind(&LocalSafeBrowsingDatabaseManager::TimeoutCallback,
                             check->weak_ptr_factory_->GetWeakPtr(), check),
       check_timeout_);
 }
 
 bool LocalSafeBrowsingDatabaseManager::download_protection_enabled() const {
   return enable_download_protection_;
 }
 
 }  // namespace safe_browsing