Hi Everyone,
I created a C++ code to get the Hard Disk Serial Number using WMI, however instead of getting the serial Number I get a string with:
\\.\PHYSICALDRIVE0
but I was expecting something like:
BCB1-45BB
Who can explain me this result and how to obtain the real serial number?
Here is the code I used:
#define _WIN32_DCOM
#include <iostream>
#include <comdef.h>
#include <wbemidl.h>
int main(int argc, char **argv)
{
HRESULT hres;
hres = CoInitializeEx(0, COINIT_MULTITHREADED);
if (FAILED(hres))
{
std::cout << "Failed to initialize COM library. Error code = 0x"
<< std::hex << hres << std::endl;
return 1;
}
hres = CoInitializeSecurity(
NULL,
-1,
NULL,
NULL,
RPC_C_AUTHN_LEVEL_DEFAULT,
RPC_C_IMP_LEVEL_IMPERSONATE,
NULL,
EOAC_NONE,
NULL
);
if (FAILED(hres))
{
std::cout << "Failed to initialize security. Error code = 0x"
<< std::hex << hres << std::endl;
CoUninitialize();
return 1;
}
IWbemLocator *pLoc = NULL;
hres = CoCreateInstance(
CLSID_WbemLocator,
0,
CLSCTX_INPROC_SERVER,
IID_IWbemLocator, (LPVOID *) &pLoc);
if (FAILED(hres))
{
std::cout << "Failed to create IWbemLocator object."
<< " Err code = 0x"
<< std::hex << hres << std::endl;
CoUninitialize();
return 1;
}
IWbemServices *pSvc = NULL;
hres = pLoc->ConnectServer(
_bstr_t(L"ROOT\\CIMV2"),
NULL,
NULL,
0,
NULL,
0,
0,
&pSvc
);
if (FAILED(hres))
{
std::cout << "Could not connect. Error code = 0x"
<< std::hex << hres << std::endl;
pLoc->Release();
CoUninitialize();
return 1;
}
std::cout << "Connected to ROOT\\CIMV2 WMI namespace" << std::endl;
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::cout << "Could not set proxy blanket. Error code = 0x"
<< std::hex << hres << std::endl;
pSvc->Release();
pLoc->Release();
CoUninitialize();
return 1;
}
IEnumWbemClassObject* pEnumerator = NULL;
hres = pSvc->ExecQuery(
bstr_t("WQL"),
bstr_t("SELECT * FROM Win32_DiskDrive"),
WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
NULL,
&pEnumerator);
if (FAILED(hres))
{
std::cout << "Query for operating system name failed."
<< " Error code = 0x"
<< std::hex << hres << std::endl;
pSvc->Release();
pLoc->Release();
CoUninitialize();
return 1;
}
IWbemClassObject *pclsObj;
ULONG uReturn = 0;
while (pEnumerator)
{
HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1,
&pclsObj, &uReturn);
if(0 == uReturn)
{
break;
}
VARIANT vtProp;
std::cout << "----------------------------------" << std::endl;
std::cout << "Retrieve DISK Info" << std::endl;
std::cout << "----------------------------------" << std::endl;
hr = pclsObj->Get(L"Name", 0, &vtProp, 0, 0);
std::wcout << " Disk Name : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
hr = pclsObj->Get(L"Model", 0, &vtProp, 0, 0);
std::wcout << " Disk Model : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
hr = pclsObj->Get(L"Status", 0, &vtProp, 0, 0);
std::wcout << " Status : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
hr = pclsObj->Get(L"DeviceID", 0, &vtProp, 0, 0);
std::wcout << " Device ID : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
hr = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0);
std::wcout << " SerialNumber : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
hr = pclsObj->Get(L"InterfaceType", 0, &vtProp, 0, 0);
std::wcout << " InterfaceType : " << vtProp.bstrVal << std::endl;
VariantClear(&vtProp);
std::cout << "----------------------------------" << std::endl;
pclsObj->Release();
}
pSvc->Release();
pLoc->Release();
pEnumerator->Release();
CoUninitialize();
return 0;
}</wbemidl.h></comdef.h></iostream>
This is the Output:
Connected to ROOT\CIMV2 WMI namespace
----------------------------------
Retrieve DISK Info
----------------------------------
Disk Name : \\.\PHYSICALDRIVE0
Disk Model : IC35L080AVVA07-0
Status : OK
Device ID : \\.\PHYSICALDRIVE0
SerialNumber : \\.\PHYSICALDRIVE0
InterfaceType : IDE
----------------------------------
Thanks,
Apóstolo