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/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "sysinfo.h"
#include <QLibrary>
#include <QStringList>
#include <qt_windows.h>
#include <psapi.h>
#include <tlhelp32.h>
const int KDSYSINFO_PROCESS_QUERY_LIMITED_INFORMATION = 0x1000;
namespace KDUpdater {
quint64 installedMemory()
{
MEMORYSTATUSEX status;
status.dwLength = sizeof(status);
GlobalMemoryStatusEx(&status);
return quint64(status.ullTotalPhys);
}
struct EnumWindowsProcParam
{
QList<ProcessInfo> processes;
QList<quint32> seenIDs;
};
typedef BOOL (WINAPI *QueryFullProcessImageNamePtr)(HANDLE, DWORD, char *, PDWORD);
typedef DWORD (WINAPI *GetProcessImageFileNamePtr)(HANDLE, char *, DWORD);
QList<ProcessInfo> runningProcesses()
{
EnumWindowsProcParam param;
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (!snapshot)
return param.processes;
QStringList deviceList;
const DWORD bufferSize = 1024;
char buffer[bufferSize + 1] = { 0 };
if (QSysInfo::windowsVersion() <= QSysInfo::WV_5_2) {
const DWORD size = GetLogicalDriveStringsA(bufferSize, buffer);
deviceList = QString::fromLatin1(buffer, size).split(QLatin1Char(char(0)), QString::SkipEmptyParts);
}
QLibrary kernel32(QLatin1String("Kernel32.dll"));
kernel32.load();
QueryFullProcessImageNamePtr pQueryFullProcessImageNamePtr = (QueryFullProcessImageNamePtr) kernel32
.resolve("QueryFullProcessImageNameA");
QLibrary psapi(QLatin1String("Psapi.dll"));
psapi.load();
GetProcessImageFileNamePtr pGetProcessImageFileNamePtr = (GetProcessImageFileNamePtr) psapi
.resolve("GetProcessImageFileNameA");
PROCESSENTRY32 processStruct;
processStruct.dwSize = sizeof(PROCESSENTRY32);
bool foundProcess = Process32First(snapshot, &processStruct);
while (foundProcess) {
HANDLE procHandle = OpenProcess(QSysInfo::windowsVersion() > QSysInfo::WV_5_2
? KDSYSINFO_PROCESS_QUERY_LIMITED_INFORMATION : PROCESS_QUERY_INFORMATION, false, processStruct
.th32ProcessID);
bool succ = false;
QString executablePath;
DWORD bufferSize = 1024;
if (QSysInfo::windowsVersion() > QSysInfo::WV_5_2) {
succ = pQueryFullProcessImageNamePtr(procHandle, 0, buffer, &bufferSize);
executablePath = QString::fromLatin1(buffer);
} else if (pGetProcessImageFileNamePtr) {
succ = pGetProcessImageFileNamePtr(procHandle, buffer, bufferSize);
executablePath = QString::fromLatin1(buffer);
for (int i = 0; i < deviceList.count(); ++i) {
executablePath.replace(QString::fromLatin1( "\\Device\\HarddiskVolume%1\\" ).arg(i + 1),
deviceList.at(i));
}
}
if (succ) {
const quint32 pid = processStruct.th32ProcessID;
param.seenIDs.append(pid);
ProcessInfo info;
info.id = pid;
info.name = executablePath;
param.processes.append(info);
}
CloseHandle(procHandle);
foundProcess = Process32Next(snapshot, &processStruct);
}
if (snapshot)
CloseHandle(snapshot);
kernel32.unload();
return param.processes;
}
} // namespace KDUpdater
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