OS(운영체제) 이름 알아오기

#include "stdafx.h"

//#define _WIN32_DCOM

#include <comdef.h>

#include <Wbemidl.h>

#pragma comment(lib, "wbemuuid.lib")

#include <string>

#include <sstream>

bool getOSName(std::string& outOSName );

int main(int argc, char **argv)

{

std::string outOSName;

getOSName( outOSName );

printf(outOSName.c_str());

return 0;

}

bool getOSName(std::string& outOSName )

{

#define SAFERELEASE_FUNC(x) if (x) { x->Release(); x=NULL; } 

HRESULT hres;

// Step 1: --------------------------------------------------

// Initialize COM. ------------------------------------------

hres =  CoInitializeEx(0, COINIT_MULTITHREADED); 

if (FAILED(hres))

{

std::ostringstream os;

os << "Failed to initialize COM library. Error code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

return false;                  // Program has failed.

}

// Step 2: --------------------------------------------------

// Set general COM security levels --------------------------

// Note: If you are using Windows 2000, you need to specify -

// the default authentication credentials for a user by using

// a SOLE_AUTHENTICATION_LIST structure in the pAuthList ----

// parameter of CoInitializeSecurity ------------------------

hres =  CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL );

if (FAILED(hres))

{

std::ostringstream os;

os << "Failed to initialize security. Error code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

CoUninitialize();

return false;                    // Program has failed.

}

// Step 3: ---------------------------------------------------

// Obtain the initial locator to WMI -------------------------

IWbemLocator *pLoc = NULL;

hres = CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *) &pLoc);

if (FAILED(hres))

{  

std::ostringstream os;

os << "Failed to create IWbemLocator object." << " Err code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

CoUninitialize();

return false;                 // Program has failed.

}

// Step 4: -----------------------------------------------------

// Connect to WMI through the IWbemLocator::ConnectServer method

IWbemServices *pSvc = NULL;

hres = pLoc->ConnectServer( _bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc );

if (FAILED(hres))

{  

std::ostringstream os;

os << "Could not connect. Error code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

SAFERELEASE_FUNC(pLoc);

CoUninitialize();

return false;                // Program has failed.

}

// Step 5: --------------------------------------------------

// Set security levels on the proxy -------------------------

hres = CoSetProxyBlanket( pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE );

if (FAILED(hres))

{  

std::ostringstream os;

os << "Could not set proxy blanket. Error code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

SAFERELEASE_FUNC(pSvc);

SAFERELEASE_FUNC(pLoc);

CoUninitialize();

return false;               // Program has failed.

}

// Step 6: --------------------------------------------------

// Use the IWbemServices pointer to make requests of WMI ----

IEnumWbemClassObject* pEnumerator = NULL;

hres = pSvc->ExecQuery( bstr_t("WQL"), bstr_t("SELECT * FROM Win32_OperatingSystem"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator );

if (FAILED(hres))

{  

std::ostringstream os;

os << "Query for operating system name failed."<< " Error code = 0x" << std::hex << hres << std::endl;

outOSName =  os.str();

SAFERELEASE_FUNC(pSvc);

SAFERELEASE_FUNC(pLoc);

CoUninitialize();

return false;               // Program has failed.

}

// Step 7: -------------------------------------------------

// Get the data from the query in step 6 -------------------

IWbemClassObject *pclsObj(NULL);

ULONG uReturn = 0;

while (pEnumerator)

{

HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn);

if(0 == uReturn)

{

break;

}

VARIANT vtProp;

// Get the value of the Name property

hr = pclsObj->Get(L"Name", 0, &vtProp, 0, 0);

// 문자열 변환

std::wstring wstrOSName = vtProp.bstrVal;

outOSName.assign (wstrOSName.begin (), wstrOSName.end ());  

VariantClear(&vtProp);

SAFERELEASE_FUNC(pclsObj);

}

// Cleanup

// ========

SAFERELEASE_FUNC(pSvc);

SAFERELEASE_FUNC(pLoc);

SAFERELEASE_FUNC(pEnumerator);

SAFERELEASE_FUNC(pclsObj);

CoUninitialize();

return true;

};

 

 

[출처] OS(운영체제) 이름 알아오기|작성자 핵이

             stackoverflow.com/questions/15246817/retrieving-os-name-of-ms-windows-platform