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https://github.com/rizonesoft/Notepad3.git
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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// sktoolslib - common files for SK tools
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// Copyright (C) 2012-2013, 2017, 2020 - Stefan Kueng
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "stdafx.h"
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#include "SysInfo.h"
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SysInfo::SysInfo(void)
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: isElevated(false)
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, isUACEnabled(false)
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{
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#ifndef NTDDI_WINBLUE
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SecureZeroMemory(&inf, sizeof(OSVERSIONINFOEX));
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inf.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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GetVersionEx((OSVERSIONINFO*)&inf);
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if (IsVistaOrLater())
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#else
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if (IsWindowsVistaOrGreater())
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#endif
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{
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HANDLE hToken = nullptr;
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if (::OpenProcessToken(::GetCurrentProcess(), TOKEN_QUERY, &hToken))
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{
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TOKEN_ELEVATION te = {0};
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DWORD dwReturnLength = 0;
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if (::GetTokenInformation(hToken, TokenElevation, &te, sizeof(te), &dwReturnLength))
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{
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isElevated = (te.TokenIsElevated != 0);
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}
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TOKEN_ELEVATION_TYPE tet = TokenElevationTypeDefault;
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if (::GetTokenInformation(hToken, TokenElevationType, &tet, sizeof(tet), &dwReturnLength))
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{
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isUACEnabled = tet != TokenElevationTypeDefault;
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}
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::CloseHandle(hToken);
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}
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}
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else
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{
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// on XP, assume we're elevated...
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isElevated = true;
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}
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}
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SysInfo::~SysInfo(void)
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{
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}
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const SysInfo& SysInfo::Instance()
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{
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static SysInfo instance;
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return instance;
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}
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