You can use the Win32_DiskDrive WMi class and the Signature property.
Check out this sample application.
#include "stdafx.h" #define _WIN32_DCOM #include <iostream> using namespace std; #include <comdef.h> #include <Wbemidl.h> # pragma comment(lib, "wbemuuid.lib") #pragma argsused int main(int argc, char* argv[]) { BSTR strNetworkResource; //To use a WMI remote connection set localconn to false and configure the values of the pszName, pszPwd and the name of the remote machine in strNetworkResource strNetworkResource = L"\\\\.\\root\\CIMV2"; COAUTHIDENTITY *userAcct = NULL ; COAUTHIDENTITY authIdent; // Initialize COM. ------------------------------------------ HRESULT hres; hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { cout << "Failed to initialize COM library. Error code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } // Set general COM security levels -------------------------- hres = CoInitializeSecurity( NULL, -1, // COM authentication NULL, // Authentication services NULL, // Reserved RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation NULL, // Authentication info EOAC_NONE, // Additional capabilities NULL // Reserved ); if (FAILED(hres)) { cout << "Failed to initialize security. Error code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } // Obtain the initial locator to WMI ------------------------- IWbemLocator *pLoc = NULL; hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *) &pLoc); if (FAILED(hres)) { cout << "Failed to create IWbemLocator object." << " Err code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } // Connect to WMI through the IWbemLocator::ConnectServer method IWbemServices *pSvc = NULL; hres = pLoc->ConnectServer( _bstr_t(strNetworkResource), // Object path of WMI namespace NULL, // User name. NULL = current user NULL, // User password. NULL = current 0, // Locale. NULL indicates current NULL, // Security flags. 0, // Authority (eg Kerberos) 0, // Context object &pSvc // pointer to IWbemServices proxy ); if (FAILED(hres)) { cout << "Could not connect. Error code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; pLoc->Release(); CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } cout << "Connected to root\\CIMV2 WMI namespace" << endl; // Set security levels on the proxy ------------------------- hres = CoSetProxyBlanket( pSvc, // Indicates the proxy to set RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx NULL, // Server principal name RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx NULL, // client identity EOAC_NONE // proxy capabilities ); if (FAILED(hres)) { cout << "Could not set proxy blanket. Error code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; pSvc->Release(); pLoc->Release(); CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } // Use the IWbemServices pointer to make requests of WMI ---- IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( L"WQL", L"SELECT * FROM Win32_DiskDrive", WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if (FAILED(hres)) { cout << "ExecQuery failed" << " Error code = 0x" << hex << hres << endl; cout << _com_error(hres).ErrorMessage() << endl; pSvc->Release(); pLoc->Release(); CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 1; // Program has failed. } // Secure the enumerator proxy hres = CoSetProxyBlanket( pEnumerator, // Indicates the proxy to set RPC_C_AUTHN_DEFAULT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_DEFAULT, // RPC_C_AUTHZ_xxx COLE_DEFAULT_PRINCIPAL, // Server principal name RPC_C_AUTHN_LEVEL_PKT_PRIVACY, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx userAcct, // client identity EOAC_NONE // proxy capabilities ); // Get the data from the WQL sentence IWbemClassObject *pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if(0 == uReturn || FAILED(hr)) break; VARIANT vtProp; hr = pclsObj->Get(L"Name", 0, &vtProp, 0, 0);// String if (!FAILED(hr)) { if ((vtProp.vt==VT_NULL) || (vtProp.vt==VT_EMPTY)) wcout << "Name : " << ((vtProp.vt==VT_NULL) ? "NULL" : "EMPTY") << endl; else if ((vtProp.vt & VT_ARRAY)) wcout << "Name : " << "Array types not supported (yet)" << endl; else wcout << "Name : " << vtProp.bstrVal << endl; } VariantClear(&vtProp); hr = pclsObj->Get(L"Signature", 0, &vtProp, 0, 0);// Uint32 if (!FAILED(hr)) { if ((vtProp.vt==VT_NULL) || (vtProp.vt==VT_EMPTY)) wcout << "Signature : " << ((vtProp.vt==VT_NULL) ? "NULL" : "EMPTY") << endl; else if ((vtProp.vt & VT_ARRAY)) wcout << "Signature : " << "Array types not supported (yet)" << endl; else wcout << "Signature : " << hex << vtProp.uintVal << endl; } VariantClear(&vtProp); pclsObj->Release(); pclsObj=NULL; } // Cleanup pSvc->Release(); pLoc->Release(); pEnumerator->Release(); if (pclsObj!=NULL) pclsObj->Release(); CoUninitialize(); cout << "press enter to exit" << endl; cin.get(); return 0; // Program successfully completed. }
This code returns
And diskpart
