gecko-dev/toolkit/xre/PolicyChecks.h

45 строки
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#ifndef mozilla_PolicyChecks_h
#define mozilla_PolicyChecks_h
#if defined(XP_WIN)
# include <windows.h>
# define POLICY_REGKEY_NAME L"SOFTWARE\\Policies\\Mozilla\\" MOZ_APP_BASENAME
// NB: This code must be able to run apart from XPCOM
namespace mozilla {
inline bool PolicyHasRegValue(HKEY aKey, LPCWSTR aName, DWORD* aValue) {
DWORD len = sizeof(DWORD);
LONG ret = ::RegGetValueW(aKey, POLICY_REGKEY_NAME, aName, RRF_RT_DWORD,
nullptr, aValue, &len);
return ret == ERROR_SUCCESS;
}
inline bool PolicyCheckBoolean(LPCWSTR aPolicyName) {
DWORD value;
if (PolicyHasRegValue(HKEY_LOCAL_MACHINE, aPolicyName, &value)) {
return value == 1;
}
if (PolicyHasRegValue(HKEY_CURRENT_USER, aPolicyName, &value)) {
return value == 1;
}
return false;
}
} // namespace mozilla
#endif // defined(XP_WIN)
#endif // mozilla_PolicyChecks_h