chrome/updater/win/win_constants.h

// Copyright 2019 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.

#ifndef CHROME_UPDATER_WIN_WIN_CONSTANTS_H_
#define CHROME_UPDATER_WIN_WIN_CONSTANTS_H_

#include <windows.h>

#include "chrome/updater/updater_branding.h"

namespace updater {

extern const wchar_t kLegacyGoogleUpdaterAppID[];

extern const wchar_t kUpdaterProcessName[];

// The prefix to use for global names in WIN32 API's. The prefix is necessary
// to avoid collision on kernel object names.
extern const wchar_t kGlobalPrefix[];

// Serializes access to prefs.
extern const wchar_t kPrefsAccessMutex[];

// Registry keys and value names.
#define COMPANY_KEY L"Software\\" COMPANY_SHORTNAME_STRING L"\\"

// Use |Update| instead of PRODUCT_FULLNAME_STRING for the registry key name
// to be backward compatible with Google Update / Omaha.
#define UPDATER_KEY COMPANY_KEY L"Update\\"
#define CLIENTS_KEY UPDATER_KEY L"Clients\\"
#define CLIENT_STATE_KEY UPDATER_KEY L"ClientState\\"
#define CLIENT_STATE_MEDIUM_KEY UPDATER_KEY L"ClientStateMedium\\"

#define COMPANY_POLICIES_KEY \
  L"Software\\Policies\\" COMPANY_SHORTNAME_STRING L"\\"
#define UPDATER_POLICIES_KEY COMPANY_POLICIES_KEY L"Update\\"

#define USER_REG_VISTA_LOW_INTEGRITY_HKCU     \
  L"Software\\Microsoft\\Internet Explorer\\" \
  L"InternetRegistry\\REGISTRY\\USER"

// The environment variable is created into the environment of the installer
// process to indicate the updater scope. The valid values for the environment
// variable are "0" and "1".
#define ENV_GOOGLE_UPDATE_IS_MACHINE COMPANY_SHORTNAME_STRING L"UpdateIsMachine"

extern const wchar_t kRegValuePV[];
extern const wchar_t kRegValueBrandCode[];
extern const wchar_t kRegValueAP[];
extern const wchar_t kRegValueName[];
extern const wchar_t kRegValueUninstallCmdLine[];

// Installer API registry names.
extern const wchar_t kRegValueInstallerError[];
extern const wchar_t kRegValueInstallerExtraCode1[];
extern const wchar_t kRegValueInstallerProgress[];
extern const wchar_t kRegValueInstallerResult[];
extern const wchar_t kRegValueInstallerResultUIString[];
extern const wchar_t kRegValueInstallerSuccessLaunchCmdLine[];

// Device management.
//
// Registry for enrollment token.
extern const wchar_t kRegKeyCompanyCloudManagement[];
extern const wchar_t kRegValueEnrollmentToken[];

// Registry for DM token.
extern const wchar_t kRegKeyCompanyEnrollment[];
extern const wchar_t kRegValueDmToken[];

extern const wchar_t kWindowsServiceName[];
extern const wchar_t kWindowsInternalServiceName[];

// crbug.com/1259178: there is a race condition on activating the COM service
// and the service shutdown. The race condition is likely to occur when a new
// instance of an updater coclass is created right after the last reference
// to an object hosted by the COM service is released. The execution flow inside
// the updater is sequential, for the most part. Therefore, introducing a slight
// delay before creating coclasses reduces (but it does not eliminate) the
// probability of running into this race condition, until a better soulution is
// found.
constexpr int kCreateUpdaterInstanceDelayMs = 100;

}  // namespace updater

#endif  // CHROME_UPDATER_WIN_WIN_CONSTANTS_H_