chrome/installer/util/firewall_manager_win.cc

   1 // Copyright 2014 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 "chrome/installer/util/firewall_manager_win.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/strings/string16.h"
   9 #include "chrome/installer/util/advanced_firewall_manager_win.h"
  10 #include "chrome/installer/util/browser_distribution.h"
  11 #include "chrome/installer/util/install_util.h"
  12 #include "chrome/installer/util/l10n_string_util.h"
  13 #include "chrome/installer/util/legacy_firewall_manager_win.h"
  14
  15 #include "installer_util_strings.h"  // NOLINT
  16
  17 namespace installer {
  18
  19 namespace {
  20
  21 const uint16 kDefaultMdnsPort = 5353;
  22
  23 class FirewallManagerAdvancedImpl : public FirewallManager {
  24  public:
  25   FirewallManagerAdvancedImpl() {}
  26   virtual ~FirewallManagerAdvancedImpl() {}
  27
  28   bool Init(const base::string16& app_name, const base::FilePath& app_path) {
  29     return manager_.Init(app_name, app_path);
  30   }
  31
  32   // FirewallManager methods.
  33   virtual bool CanUseLocalPorts() override {
  34     return !manager_.IsFirewallEnabled() || manager_.HasAnyRule();
  35   };
  36
  37   virtual bool AddFirewallRules() override {
  38     return manager_.AddUDPRule(GetMdnsRuleName(), GetMdnsRuleDescription(),
  39                                kDefaultMdnsPort);
  40   }
  41
  42   virtual void RemoveFirewallRules() override {
  43     manager_.DeleteAllRules();
  44   }
  45
  46  private:
  47   static base::string16 GetMdnsRuleName() {
  48 #if defined(GOOGLE_CHROME_BUILD)
  49     if (InstallUtil::IsChromeSxSProcess())
  50       return GetLocalizedString(IDS_INBOUND_MDNS_RULE_NAME_CANARY_BASE);
  51 #endif
  52     return GetLocalizedString(IDS_INBOUND_MDNS_RULE_NAME_BASE);
  53   }
  54
  55   static base::string16 GetMdnsRuleDescription() {
  56 #if defined(GOOGLE_CHROME_BUILD)
  57     if (InstallUtil::IsChromeSxSProcess())
  58       return GetLocalizedString(IDS_INBOUND_MDNS_RULE_DESCRIPTION_CANARY_BASE);
  59 #endif
  60       return GetLocalizedString(IDS_INBOUND_MDNS_RULE_DESCRIPTION_BASE);
  61   }
  62
  63   AdvancedFirewallManager manager_;
  64   DISALLOW_COPY_AND_ASSIGN(FirewallManagerAdvancedImpl);
  65 };
  66
  67 class FirewallManagerLegacyImpl : public FirewallManager {
  68  public:
  69   FirewallManagerLegacyImpl() {}
  70   virtual ~FirewallManagerLegacyImpl() {}
  71
  72   bool Init(const base::string16& app_name, const base::FilePath& app_path) {
  73     return manager_.Init(app_name, app_path);
  74   }
  75
  76   // FirewallManager methods.
  77   virtual bool CanUseLocalPorts() override {
  78     return !manager_.IsFirewallEnabled() ||
  79         manager_.GetAllowIncomingConnection(NULL);
  80   };
  81
  82   virtual bool AddFirewallRules() override {
  83     // Change nothing if rule is set.
  84     return manager_.GetAllowIncomingConnection(NULL) ||
  85         manager_.SetAllowIncomingConnection(true);
  86   }
  87
  88   virtual void RemoveFirewallRules() override {
  89     manager_.DeleteRule();
  90   }
  91
  92  private:
  93   LegacyFirewallManager manager_;
  94   DISALLOW_COPY_AND_ASSIGN(FirewallManagerLegacyImpl);
  95 };
  96
  97 }  // namespace
  98
  99 FirewallManager::~FirewallManager() {}
 100
 101 // static
 102 scoped_ptr<FirewallManager> FirewallManager::Create(
 103     BrowserDistribution* dist,
 104     const base::FilePath& chrome_path) {
 105   // First try to connect to "Windows Firewall with Advanced Security" (Vista+).
 106   scoped_ptr<FirewallManagerAdvancedImpl> manager(
 107       new FirewallManagerAdvancedImpl());
 108   if (manager->Init(dist->GetDisplayName(), chrome_path))
 109     return manager.Pass();
 110
 111   // Next try to connect to "Windows Firewall for Windows XP with SP2".
 112   scoped_ptr<FirewallManagerLegacyImpl> legacy_manager(
 113       new FirewallManagerLegacyImpl());
 114   if (legacy_manager->Init(dist->GetDisplayName(), chrome_path))
 115     return legacy_manager.Pass();
 116
 117   return scoped_ptr<FirewallManager>();
 118 }
 119
 120 FirewallManager::FirewallManager() {
 121 }
 122
 123 }  // namespace installer