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| #include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <Wbemidl.h>
#include <WbemCli.h>
#include <wincred.h>
int _tmain(int argc, _TCHAR* argv[])
{
HRESULT hres;
IWbemLocator *pLoc = NULL;
IWbemServices *pSvc = NULL;
IEnumWbemClassObject* pEnumerator = NULL;
IWbemClassObject *pclsObj;
ULONG uReturn = 0;
VARIANT vtProp;
BSTR cimv2 = L"\\\\computerName\\root\\cimv2";
BSTR Locale = L"MS_409";
BSTR Authority = L"ntlmdomain:domain";
BSTR WQL = L"WQL";
BSTR Select = L"Select * from Win32_OperatingSystem";
// Get the user name and password for the remote computer
CREDUI_INFO cui;
TCHAR pszName[CREDUI_MAX_USERNAME_LENGTH+1];
TCHAR pszPwd[CREDUI_MAX_PASSWORD_LENGTH+1];
BOOL fSave;
DWORD dwErr;
// Step 1: --------------------------------------------------
// Initialize COM. ------------------------------------------
hres = CoInitializeEx(0, COINIT_MULTITHREADED);
if (FAILED(hres))
{
/*cout << "Failed to initialize COM library. Error code = 0x"
<< hex << hres << endl;*/
return 1; // 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, // 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;*/
CoUninitialize();
return 1; // Program has failed.
}
// Step 3: ---------------------------------------------------
// Obtain the initial locator to WMI -------------------------
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;*/
CoUninitialize();
return 1; // Program has failed.
}
// Step 4: -----------------------------------------------------
// Connect to WMI through the IWbemLocator::ConnectServer method
cui.cbSize = sizeof(CREDUI_INFO);
cui.hwndParent = NULL;
// Ensure that MessageText and CaptionText identify
// what credentials to use and which application requires them.
cui.pszMessageText = TEXT("Remote computer account information");
cui.pszCaptionText = TEXT("Enter Account Information");
cui.hbmBanner = NULL;
fSave = FALSE;
dwErr = CredUIPromptForCredentials(
&cui, // CREDUI_INFO structure
TEXT(""), // Target for credentials
NULL, // Reserved
0, // Reason
pszName, // User name
CREDUI_MAX_USERNAME_LENGTH+1, // Max number for user name
pszPwd, // Password
CREDUI_MAX_PASSWORD_LENGTH+1, // Max number for password
&fSave, // State of save check box
CREDUI_FLAGS_GENERIC_CREDENTIALS | // flags
CREDUI_FLAGS_ALWAYS_SHOW_UI |
CREDUI_FLAGS_DO_NOT_PERSIST);
if(dwErr)
{
/*cout << "Did not get credentials." << endl;*/
pLoc->lpVtbl->Release(pLoc);
CoUninitialize();
return 1;
}
// Connect to the remote root\cimv2 namespace
// and obtain pointer pSvc to make IWbemServices calls.
//---------------------------------------------------------
// change the computerName and domain
// strings below to the full computer name and domain
// of the remote computer
hres = pLoc->lpVtbl->ConnectServer(pLoc,
cimv2,
pszName, // User name
pszPwd, // User password
Locale, // Locale
NULL, // Security flags
Authority, // Authority
0, // Context object
&pSvc // IWbemServices proxy
);
// When you have finished using the credentials,
// erase them from memory.
SecureZeroMemory(pszName, sizeof(pszName));
SecureZeroMemory(pszPwd, sizeof(pszPwd));
if (FAILED(hres))
{
/*cout << "Could not connect. Error code = 0x"
<< hex << hres << endl;*/
pLoc->lpVtbl->Release(pLoc);
CoUninitialize();
return 1; // Program has failed.
}
/* cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;*/
// Step 5: --------------------------------------------------
// Set security levels on a WMI connection ------------------
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;*/
pSvc->lpVtbl->Release(pSvc);
pLoc->lpVtbl->Release(pLoc);
CoUninitialize();
return 1; // Program has failed.
}
// Step 6: --------------------------------------------------
// Use the IWbemServices pointer to make requests of WMI ----
// For example, get the name of the operating system
hres = pSvc->lpVtbl->ExecQuery(pSvc,
WQL,
Select,
WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,
NULL,
&pEnumerator);
if (FAILED(hres))
{
/*cout << "Query for operating system name failed."
<< " Error code = 0x"
<< hex << hres << endl;*/
pSvc->lpVtbl->Release(pSvc);
pLoc->lpVtbl->Release(pLoc);
CoUninitialize();
return 1; // Program has failed.
}
// Step 7: -------------------------------------------------
// Get the data from the query in step 6 -------------------
while (pEnumerator)
{
HRESULT hr = pEnumerator->lpVtbl->Next(pEnumerator,WBEM_INFINITE, 1,
&pclsObj, &uReturn);
if(0 == uReturn)
{
break;
}
// Get the value of the Name property
hr = pclsObj->lpVtbl->Get(pclsObj,L"Name", 0, &vtProp, 0, 0);
//wcout << " OS Name : " << vtProp.bstrVal << endl;
// Get the value of the FreePhysicalMemory property
hr = pclsObj->lpVtbl->Get(pclsObj,L"FreePhysicalMemory",
0, &vtProp, 0, 0);
/*wcout << " Free physical memory (in kilobytes): "
<< vtProp.uintVal << endl;*/
VariantClear(&vtProp);
}
// Cleanup
// ========
pSvc->lpVtbl->Release(pSvc);
pLoc->lpVtbl->Release(pLoc);
pEnumerator->lpVtbl->Release(pEnumerator);
pclsObj->lpVtbl->Release(pclsObj);
CoUninitialize();
return 0; // Program successfully completed.
} |
Connexion WMI en C
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