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Copy pathKSysProcess.cpp
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596 lines (468 loc) · 15.9 KB
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#include "StdAfx.h"
#include "KSysProcess.h"
#include <set>
namespace pnpsub
{
KPsapiDllFunction::KPsapiDllFunction() : m_bInited(FALSE), m_hPsapi(NULL)
{
m_pEnumProcesses = NULL;
m_pGetModuleBaseName = NULL;
m_pEnumProcessModules = NULL;
m_pGetModuleFileNameEx = NULL;
m_pGetProcessImageFileName = NULL;
}
KPsapiDllFunction::~KPsapiDllFunction()
{
UnInit();
}
BOOL KPsapiDllFunction::Init()
{
if (!m_bInited) {
m_hPsapi = ::LoadLibrary(_T("PSAPI.DLL"));
if (m_hPsapi == NULL) goto Exit0;
m_pEnumProcessModules = (PEnumProcessModules)::GetProcAddress(m_hPsapi, "EnumProcessModules");
m_pEnumProcesses = (PEnumProcesses)::GetProcAddress(m_hPsapi, "EnumProcesses");
m_pGetModuleBaseName = (PGetModuleBaseName)::GetProcAddress(m_hPsapi, "GetModuleBaseNameW");
m_pGetModuleFileNameEx = (PGetModuleFileNameEx)::GetProcAddress(m_hPsapi, "GetModuleFileNameExW");
m_pGetProcessImageFileName = (PGetProcessImageFileName)::GetProcAddress(m_hPsapi, "GetProcessImageFileNameW");
m_bInited = m_pEnumProcesses
&& m_pGetModuleBaseName
&& m_pEnumProcessModules
&& m_pGetModuleFileNameEx
&& m_pGetProcessImageFileName;
}
Exit0:
return m_bInited;
}
void KPsapiDllFunction::UnInit()
{
if (!m_bInited)
return;
m_pEnumProcesses = NULL;
m_pGetModuleBaseName = NULL;
m_pEnumProcessModules = NULL;
m_pGetModuleFileNameEx = NULL;
if (m_hPsapi)
FreeLibrary(m_hPsapi);
m_bInited = FALSE;
}
BOOL KPsapiDllFunction::EnumProcesses(DWORD* pProcessIds, DWORD cb, DWORD* pBytesReturned)
{
if (m_bInited == FALSE)
Init();
if (m_pEnumProcesses)
return m_pEnumProcesses(pProcessIds, cb, pBytesReturned);
return FALSE;
}
DWORD KPsapiDllFunction::GetModuleBaseName(HANDLE hProcess, HMODULE hModule, LPWSTR lpBaseName, DWORD nSize)
{
if (m_bInited == FALSE)
Init();
if (m_pGetModuleBaseName)
return m_pGetModuleBaseName(hProcess, hModule, lpBaseName, nSize);
return 0;
}
BOOL KPsapiDllFunction::EnumProcessModules(HANDLE hProcess, HMODULE* lphModule, DWORD cb, LPDWORD lpcbNeeded)
{
if (m_bInited == FALSE)
Init();
if (m_pEnumProcessModules)
return m_pEnumProcessModules(hProcess, lphModule, cb, lpcbNeeded);
return FALSE;
}
DWORD KPsapiDllFunction::GetModuleFileNameEx(HANDLE hProcess, HMODULE hModule, LPWSTR lpFilename, DWORD nSize)
{
if (m_bInited == FALSE)
Init();
if (m_pGetModuleFileNameEx)
return m_pGetModuleFileNameEx(hProcess, hModule, lpFilename, nSize);
return 0;
}
DWORD KPsapiDllFunction::GetProcessImageFileName(HANDLE hProcess, LPWSTR lpImageFileName, DWORD nSize)
{
if (m_bInited == FALSE)
Init();
if (m_pGetProcessImageFileName)
return m_pGetProcessImageFileName(hProcess, lpImageFileName, nSize);
return 0;
}
KSysProcess::KSysProcess(void)
{
m_dosNames.Init();
}
KSysProcess::~KSysProcess(void)
{
}
CStringW KSysProcess::GetProcessPath(int nPid)
{
HANDLE hProcess = NULL;
CStringW strPath;
hProcess = ::OpenProcess(PROCESS_ALL_ACCESS, FALSE, nPid);
if (hProcess == NULL) {
hProcess = ::OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, nPid);
if (hProcess == NULL) goto Exit0;
}
strPath = GetProcessPath64(hProcess);
Exit0:
if (hProcess)
CloseHandle(hProcess);
return strPath;
}
CStringW KSysProcess::GetProcessPath64(HANDLE hProcess)
{
WCHAR szProcessPath[MAX_PATH] = {0};
CStringW strPath;
if (0 == m_psapi.GetProcessImageFileName(hProcess, szProcessPath, MAX_PATH))
goto Exit0;
strPath = szProcessPath;
m_dosNames.DevicePathToDosPath(strPath);
Exit0:
return strPath;
}
CStringW KSysProcess::GetProcessPath32(HANDLE hProcess)
{
WCHAR szProcessPath[MAX_PATH] = {0};
CStringW strPath;
if (0 == m_psapi.GetModuleFileNameEx(hProcess, NULL, szProcessPath, MAX_PATH))
goto Exit0;
strPath = szProcessPath;
if (!ConvertSysPath(strPath))
strPath.Empty();
Exit0:
return strPath;
}
BOOL KSysProcess::GetAllProcess(std::vector<int>& vecPID)
{
BOOL bRet = FALSE;
DWORD dwProcessIDArr[1024] = { 0 };
DWORD dwNeeded = 0, dwProcessIDCount = 0;
GetDebugPrivilege();
bRet = m_psapi.EnumProcesses(dwProcessIDArr, sizeof(dwProcessIDArr), &dwNeeded);
if (bRet == FALSE) goto Exit0;
dwProcessIDCount = dwNeeded / sizeof(DWORD);
for (DWORD i = 0; i < dwProcessIDCount; i++)
vecPID.push_back(dwProcessIDArr[i]);
bRet = true;
Exit0:
return bRet;
}
BOOL KSysProcess::GetProcessModules(int nPID, std::vector<CStringW> &vecModule)
{
BOOL bRet = FALSE;
DWORD cbNeeded = 0;
HMODULE* hModules = NULL;
WCHAR szFullPath[MAX_PATH * 2 + 1] = { 0 };
HANDLE hProcess = ::OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, nPID);
if (hProcess == NULL) goto Exit0;
if (!m_psapi.EnumProcessModules(hProcess, NULL, 0, &cbNeeded))
goto Exit0;
hModules = new HMODULE[cbNeeded / sizeof(HMODULE)];
if (hModules == NULL) goto Exit0;
if (!m_psapi.EnumProcessModules(hProcess, hModules, cbNeeded, &cbNeeded))
goto Exit0;
for (size_t i = 0; i < cbNeeded / sizeof(HMODULE); i++) {
if (m_psapi.GetModuleFileNameEx(hProcess, hModules[i], szFullPath, MAX_PATH * 2)) {
CStringW strPath = szFullPath;
if (ConvertSysPath(strPath))
vecModule.push_back(strPath);
}
}
bRet = TRUE;
Exit0:
if (hModules != NULL)
delete [] hModules;
if (hProcess != NULL)
::CloseHandle(hProcess);
return bRet;
}
BOOL KSysProcess::GetDebugPrivilege(void)
{
BOOL bReturn = FALSE;
HANDLE hToken = NULL;
int nRetCode = ERROR_SUCCESS;
LUID CurrentLUID = { 0 };
TOKEN_PRIVILEGES TokenPrivileges = { 0 };
__try {
nRetCode = ::OpenProcessToken(::GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
if (!nRetCode) __leave;
nRetCode = ::LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &CurrentLUID);
if (!nRetCode) __leave;
TokenPrivileges.PrivilegeCount = 1;
TokenPrivileges.Privileges[0].Luid = CurrentLUID;
TokenPrivileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
nRetCode = ::AdjustTokenPrivileges(hToken, FALSE, &TokenPrivileges, 0, NULL, NULL);
if (!nRetCode) __leave;
bReturn = TRUE;
} __finally {
if (hToken) {
::CloseHandle(hToken);
hToken = NULL;
}
}
return bReturn;
}
BOOL KSysProcess::ConvertSysPath(CStringW& strPath)
{
BOOL bFunRet = FALSE;
WCHAR szPath[MAX_PATH] = {0};
int nLen = 0;
int nSysLen = 0;
if (strPath.Left(1) == L"\\") {
nLen = (int)wcslen(L"\\??\\");
nSysLen = (int)wcslen(L"\\SystemRoot\\");
if (strPath.Left(nLen) == L"\\??\\") {
strPath = strPath.Right(strPath.GetLength() - nLen);
} else if (strPath.Left(nSysLen) == L"\\SystemRoot\\") {
::ExpandEnvironmentStringsW(L"%SystemRoot%", szPath, MAX_PATH);
strPath = (CStringW)szPath + strPath.Right(strPath.GetLength() - nSysLen + 1);
}
if (strPath.GetLength() <= 3) {
strPath.Empty();
goto Exit0;
}
if (strPath.GetAt(1) != L':') {
strPath.Empty();
goto Exit0;
}
}
bFunRet = TRUE;
Exit0:
return bFunRet;
}
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
BOOL KSysProcess::IsWow64()
{
static int s_nIsWow64 = -1;
if (s_nIsWow64 != -1)
return s_nIsWow64;
LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(
GetModuleHandleW(L"kernel32"), "IsWow64Process");
if (NULL != fnIsWow64Process) {
if (fnIsWow64Process(GetCurrentProcess(), &s_nIsWow64)) {
return s_nIsWow64;
}
}
s_nIsWow64 = FALSE;
return s_nIsWow64;
}
#define ProcessBasicInformation 0
typedef LONG(WINAPI *PROCNTQSIP)(HANDLE, UINT, PVOID, ULONG, PULONG);
typedef struct {
DWORD ExitStatus;
DWORD PebBaseAddress;
DWORD AffinityMask;
DWORD BasePriority;
ULONG UniqueProcessId;
ULONG InheritedFromUniqueProcessId;
} PROCESS_BASIC_INFORMATION_EX;
int KSysProcess::GetParentProcessID(int nId)
{
LONG status;
int nParentPID = -1;
HANDLE hProcess;
PROCESS_BASIC_INFORMATION_EX pbi;
// Get process handle
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, nId);
if (!hProcess) return nParentPID;
PROCNTQSIP NtQueryInformationProcess;
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(
GetModuleHandleW(L"ntdll"),
"NtQueryInformationProcess"
);
// Retrieve information
status = NtQueryInformationProcess(hProcess,
ProcessBasicInformation,
(PVOID)&pbi,
sizeof(PROCESS_BASIC_INFORMATION_EX),
NULL
);
// Copy parent Id on success
if (!status)
nParentPID = pbi.InheritedFromUniqueProcessId;
CloseHandle(hProcess);
return nParentPID;
}
//-------------------------------------------------------------------------
KSysProcessMonitor& KSysProcessMonitor::Instance()
{
static KSysProcessMonitor subject;
return subject;
}
KSysProcessMonitor::~KSysProcessMonitor()
{
WaitStopMonitor(50);
ATL::CComCritSecLock<CComAutoCriticalSection> guard(m_csMonitorThread);
if (NULL != m_hMonitorThread) {
::CloseHandle(m_hMonitorThread);
m_hMonitorThread = NULL;
}
}
KSysProcessMonitor::KSysProcessMonitor()
{
m_hMonitorThread = NULL;
m_bStop = false;
}
HRESULT __stdcall KSysProcessMonitor::RegisterObserver(IKSysProcessObserver* pIObserver)
{
if (NULL == pIObserver) {
return E_INVALIDARG;
}
ATL::CComCritSecLock<CComAutoCriticalSection> guard1(m_csObserver);
if (0 == m_mapObserver.count(pIObserver)) {
m_mapObserver.insert(std::make_pair(pIObserver, false));
}
ATL::CComCritSecLock<CComAutoCriticalSection> guard2(m_csMonitorThread);
if (NULL == m_hMonitorThread) {
m_hMonitorThread = ::CreateThread(
NULL,
0,
MonitorThread,
this,
0,
NULL
);
if (NULL == m_hMonitorThread) {
return HRESULT_FROM_WIN32(::GetLastError());
}
}
return S_OK;
}
HRESULT __stdcall KSysProcessMonitor::UnregisterObserver(IKSysProcessObserver* pIObserver)
{
if (NULL == pIObserver) {
return E_INVALIDARG;
}
ATL::CComCritSecLock<CComAutoCriticalSection> guard(m_csObserver);
if (0 == m_mapObserver.count(pIObserver)) {
return E_INVALIDARG;
}
m_mapObserver.erase(pIObserver);
return S_OK;
}
DWORD WINAPI KSysProcessMonitor::MonitorThread(LPVOID lParam)
{
return reinterpret_cast<KSysProcessMonitor*>(lParam)->MonitorThreadRun();
}
DWORD WINAPI KSysProcessMonitor::MonitorThreadRun()
{
while (true) {
MAP_OBSERVER_2_NOTIFIED mapObserver;
{
ATL::CComCritSecLock<CComAutoCriticalSection> guard(m_csObserver);
mapObserver = m_mapObserver;
}
// 没有监听者则不获取进程列表
if (mapObserver.empty()) {
if (this->SleepWithVigilance()) {
return 0;
} else {
continue;
}
}
// 获取进程列表
MAP_PROCID_2_INFO mapProcNew;
MAP_PROCID_2_INFO mapProcEnd;
BOOL bRet = this->RefreshCurProcList(mapProcNew, mapProcEnd);
if (!bRet) {
if (this->SleepWithVigilance()) {
return 0;
} else {
continue;
}
}
// 将进程刷新消息通知给所有观察者
this->NotifyObservers(mapProcNew, mapProcEnd);
// Sleep 两秒
if (this->SleepWithVigilance()) {
return 0;
}
}
return 0;
}
HRESULT KSysProcessMonitor::WaitStopMonitor(DWORD dwTimeout)
{
m_bStop = true;
ATL::CComCritSecLock<CComAutoCriticalSection> guard(m_csMonitorThread);
if (NULL == m_hMonitorThread) {
return S_OK;
} else {
DWORD dwRet = ::WaitForSingleObject(m_hMonitorThread, dwTimeout);
return (WAIT_OBJECT_0 == dwRet) ? S_OK : E_FAIL;
}
}
BOOL KSysProcessMonitor::RefreshCurProcList(
/*[out]*/ MAP_PROCID_2_INFO& mapProcNew,
/*[out]*/ MAP_PROCID_2_INFO& mapProcEnd
)
{
std::vector<int> vecCurrPID;
BOOL bRet = m_sysProcess.GetAllProcess(vecCurrPID);
if (!bRet) {
return FALSE;
}
std::set<DWORD> setEndProcId; // 上次保存的但目前已结束进程id列表
ATL::CComCritSecLock<ATL::CComAutoCriticalSection> guard(m_csProcData);
MAP_PROCID_2_INFO::iterator iterMap;
for (iterMap = m_mapProcId2Info.begin();
iterMap != m_mapProcId2Info.end();
++iterMap) {
setEndProcId.insert(iterMap->first);
}
for (int i = 0; i != vecCurrPID.size(); ++i) {
if (setEndProcId.end() != setEndProcId.find(vecCurrPID[i])) {
setEndProcId.erase(vecCurrPID[i]);
} else {
S_PROC_INFO procInfo;
procInfo.nProcessId = vecCurrPID[i];
procInfo.wstrExePath = static_cast<LPCWSTR>(m_sysProcess.GetProcessPath(vecCurrPID[i]));
mapProcNew.insert(std::make_pair(vecCurrPID[i], procInfo));
m_mapProcId2Info.insert(std::make_pair(vecCurrPID[i], procInfo));
}
}
std::set<DWORD>::iterator iterSet;
for (iterSet = setEndProcId.begin(); iterSet != setEndProcId.end(); ++iterSet) {
S_PROC_INFO procInfo;
procInfo.nProcessId = *iterSet;
procInfo.wstrExePath = m_mapProcId2Info[*iterSet].wstrExePath;
mapProcEnd.insert(std::make_pair(*iterSet, procInfo));
m_mapProcId2Info.erase(*iterSet);
}
return TRUE;
}
BOOL KSysProcessMonitor::SleepWithVigilance()
{
// 等待2秒再继续，并检测是否需要退出
for (int i = 0; i != 40; ++i) {
if (m_bStop) {
return TRUE;
}
::Sleep(50);
}
return FALSE;
}
void KSysProcessMonitor::NotifyObservers(
const MAP_PROCID_2_INFO& mapProcNew,
const MAP_PROCID_2_INFO& mapProcEnd
)
{
ATL::CComCritSecLock<ATL::CComAutoCriticalSection> guard(m_csObserver);
MAP_OBSERVER_2_NOTIFIED::iterator iterMap;
for (iterMap = m_mapObserver.begin();
iterMap != m_mapObserver.end();
++iterMap) {
if (iterMap->second) {
HRESULT hRet = iterMap->first->NotifyProcessChange(
mapProcNew,
mapProcEnd
);
} else {
// 没有回调过的，为第一次取进程列表，则全部填充至新创建进程列表中
HRESULT hRet = iterMap->first->NotifyProcessChange(
m_mapProcId2Info,
MAP_PROCID_2_INFO()
);
iterMap->second = true;
}
}
}
}
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