/* Derived from source code of TrueCrypt 7.1a, which is Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0. Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2016 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. */ #include "System.h" #include "Main/Application.h" #include "UserPreferences.h" #include "Xml.h" namespace VeraCrypt { void UserPreferences::SetValue (const wxString &cfgText, bool &cfgVar) { if (cfgText == L"0") cfgVar = false; else if (cfgText == L"1") cfgVar = true; } void UserPreferences::SetValue (const wxString &cfgText, int &cfgVar) { if (cfgText.empty()) cfgVar = 0; else cfgVar = StringConverter::ToUInt32 (wstring (cfgText)); } void UserPreferences::SetValue (const wxString &cfgText, uint64 &cfgVar) { if (cfgText.empty()) cfgVar = 0; else cfgVar = StringConverter::ToUInt64 (wstring (cfgText)); } void UserPreferences::SetValue (const wxString &cfgText, wstring &cfgVar) { cfgVar = cfgText; } void UserPreferences::SetValue (const wxString &cfgText, wxString &cfgVar) { cfgVar = cfgText; } void UserPreferences::SetValue (const wxString &cfgText, FilesystemPath &cfgVar) { cfgVar = wstring (cfgText); } void UserPreferences::Load() { // Preferences FilePath cfgPath = Application::GetConfigFilePath (GetPreferencesFileName()); if (cfgPath.IsFile()) { map <wxString, wxString> configMap; foreach (XmlNode node, XmlParser (cfgPath).GetNodes (L"config")) { configMap[node.Attributes[L"key"]] = node.InnerText; } #define TC_CONFIG_SET(NAME) SetValue (configMap[L###NAME], NAME) TC_CONFIG_SET (BackgroundTaskEnabled); TC_CONFIG_SET (BackgroundTaskMenuDismountItemsEnabled); TC_CONFIG_SET (BackgroundTaskMenuMountItemsEnabled); TC_CONFIG_SET (BackgroundTaskMenuOpenItemsEnabled); TC_CONFIG_SET (BeepAfterHotkeyMountDismount); SetValue (configMap[L"CachePasswords"], DefaultMountOptions.CachePassword); TC_CONFIG_SET (CloseBackgroundTaskOnNoVolumes); TC_CONFIG_SET (CloseExplorerWindowsOnDismount); TC_CONFIG_SET (CloseSecurityTokenSessionsAfterMount); TC_CONFIG_SET (DisableKernelEncryptionModeWarning); TC_CONFIG_SET (DismountOnInactivity); TC_CONFIG_SET (DismountOnLogOff); TC_CONFIG_SET (DismountOnPowerSaving); TC_CONFIG_SET (DismountOnScreenSaver); TC_CONFIG_SET (DisplayMessageAfterHotkeyDismount); TC_CONFIG_SET (BackgroundTaskEnabled); SetValue (configMap[L"FilesystemOptions"], DefaultMountOptions.FilesystemOptions); TC_CONFIG_SET (ForceAutoDismount); TC_CONFIG_SET (LastSelectedSlotNumber); TC_CONFIG_SET (MaxVolumeIdleTime); TC_CONFIG_SET (MountDevicesOnLogon); TC_CONFIG_SET (MountFavoritesOnLogon); bool readOnly; SetValue (configMap[L"MountVolumesReadOnly"], readOnly); DefaultMountOptions.Protection = readOnly ? VolumeProtection::ReadOnly : VolumeProtection::None; SetValue (configMap[L"MountVolumesRemovable"], DefaultMountOptions.Removable); SetValue (configMap[L"NoHardwareCrypto"], DefaultMountOptions.NoHardwareCrypto); SetValue (configMap[L"NoKernelCrypto"], DefaultMountOptions.NoKernelCrypto); TC_CONFIG_SET (OpenExplorerWindowAfterMount); SetValue (configMap[L"PreserveTimestamps"], DefaultMountOptions.PreserveTimestamps); TC_CONFIG_SET (SaveHistory); SetValue (configMap[L"SecurityTokenLibrary"], SecurityTokenModule); TC_CONFIG_SET (StartOnLogon); TC_CONFIG_SET (UseKeyfiles); TC_CONFIG_SET (WipeCacheOnAutoDismount); TC_CONFIG_SET (WipeCacheOnClose); SetValue (configMap[L"DefaultTrueCryptMode"], DefaultMountOptions.TrueCryptMode); wstring defaultPrf; SetValue (configMap[L"DefaultPRF"], defaultPrf); shared_ptr <Pkcs5Kdf> savedKdf; try { if (defaultPrf != L"autodetection") savedKdf = Pkcs5Kdf::GetAlgorithm (defaultPrf, DefaultMountOptions.TrueCryptMode); } catch (ParameterIncorrect&) { } DefaultMountOptions.Kdf = savedKdf; DefaultMountOptions.ProtectionKdf = savedKdf; } // Default keyfiles cfgPath = Application::GetConfigFilePath (GetDefaultKeyfilesFileName()); if (cfgPath.IsFile()) { foreach (const XmlNode &node, XmlParser (cfgPath).GetNodes (L"keyfile")) { DefaultKeyfiles.push_back (make_shared <Keyfile> ((wstring) node.InnerText)); } } #ifdef TC_WINDOWS // Hotkeys Hotkeys = Hotkey::LoadList(); #endif } void UserPreferences::Save() const { // Preferences class ConfigXmlFormatter { public: void AddEntry (const wchar_t *key, const wxString &value) { if (!value.empty()) { XmlNode config (L"config"); config.Attributes[L"key"] = key; config.InnerText = value; XmlConfig.InnerNodes.push_back (config); } } void AddEntry (const wchar_t *key, bool value) { AddEntry (key, wxString (value ? L"1" : L"0")); } void AddEntry (const wchar_t *key, int value) { wstringstream s; s << value; AddEntry (key, s.str()); } void AddEntry (const wchar_t *key, uint64 value) { wstringstream s; s << value; AddEntry (key, s.str()); } XmlNode XmlConfig; }; ConfigXmlFormatter formatter; formatter.XmlConfig.Name = L"configuration"; #define TC_CONFIG_ADD(NAME) formatter.AddEntry (L###NAME, NAME) TC_CONFIG_ADD (BackgroundTaskEnabled); TC_CONFIG_ADD (BackgroundTaskMenuDismountItemsEnabled); TC_CONFIG_ADD (BackgroundTaskMenuMountItemsEnabled); TC_CONFIG_ADD (BackgroundTaskMenuOpenItemsEnabled); TC_CONFIG_ADD (BeepAfterHotkeyMountDismount); formatter.AddEntry (L"CachePasswords", DefaultMountOptions.CachePassword); TC_CONFIG_ADD (CloseBackgroundTaskOnNoVolumes); TC_CONFIG_ADD (CloseExplorerWindowsOnDismount); TC_CONFIG_ADD (CloseSecurityTokenSessionsAfterMount); TC_CONFIG_ADD (DisableKernelEncryptionModeWarning); TC_CONFIG_ADD (DismountOnInactivity); TC_CONFIG_ADD (DismountOnLogOff); TC_CONFIG_ADD (DismountOnPowerSaving); TC_CONFIG_ADD (DismountOnScreenSaver); TC_CONFIG_ADD (DisplayMessageAfterHotkeyDismount); TC_CONFIG_ADD (BackgroundTaskEnabled); formatter.AddEntry (L"FilesystemOptions", DefaultMountOptions.FilesystemOptions); TC_CONFIG_ADD (ForceAutoDismount); TC_CONFIG_ADD (LastSelectedSlotNumber); TC_CONFIG_ADD (MaxVolumeIdleTime); TC_CONFIG_ADD (MountDevicesOnLogon); TC_CONFIG_ADD (MountFavoritesOnLogon); formatter.AddEntry (L"MountVolumesReadOnly", DefaultMountOptions.Protection == VolumeProtection::ReadOnly); formatter.AddEntry (L"MountVolumesRemovable", DefaultMountOptions.Removable); formatter.AddEntry (L"NoHardwareCrypto", DefaultMountOptions.NoHardwareCrypto); formatter.AddEntry (L"NoKernelCrypto", DefaultMountOptions.NoKernelCrypto); TC_CONFIG_ADD (OpenExplorerWindowAfterMount); formatter.AddEntry (L"PreserveTimestamps", DefaultMountOptions.PreserveTimestamps); TC_CONFIG_ADD (SaveHistory); formatter.AddEntry (L"SecurityTokenLibrary", wstring (SecurityTokenModule)); TC_CONFIG_ADD (StartOnLogon); TC_CONFIG_ADD (UseKeyfiles); TC_CONFIG_ADD (WipeCacheOnAutoDismount); TC_CONFIG_ADD (WipeCacheOnClose); formatter.AddEntry (L"DefaultTrueCryptMode", DefaultMountOptions.TrueCryptMode); wstring defaultPrf = L"autodetection"; if (DefaultMountOptions.Kdf) defaultPrf = DefaultMountOptions.Kdf->GetName (); formatter.AddEntry (L"DefaultPRF", defaultPrf); XmlWriter writer (Application::GetConfigFilePath (GetPreferencesFileName(), true)); writer.WriteNode (formatter.XmlConfig); writer.Close(); // Default keyfiles FilePath keyfilesCfgPath = Application::GetConfigFilePath (GetDefaultKeyfilesFileName(), true); if (DefaultKeyfiles.empty()) { if (keyfilesCfgPath.IsFile()) keyfilesCfgPath.Delete(); } else { XmlNode keyfilesXml (L"defaultkeyfiles"); foreach_ref (const Keyfile &keyfile, DefaultKeyfiles) { keyfilesXml.InnerNodes.push_back (XmlNode (L"keyfile", wxString (wstring(FilesystemPath (keyfile))))); } XmlWriter keyfileWriter (keyfilesCfgPath); keyfileWriter.WriteNode (keyfilesXml); keyfileWriter.Close(); } #ifdef TC_WINDOWS // Hotkeys Hotkey::SaveList (Hotkeys); #endif } }