//+---------------------------------------------------------------------------
//
// Function: HrUninstallNetComponent
//
// Purpose: Uninstall the specified component.
//
// Arguments:
// pnc [in] pointer to INetCfg object
// szComponentId [in] component to uninstall
//
// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
//
// Notes:
//
HRESULT HrUninstallNetComponent(IN INetCfg* pnc, IN PCWSTR szComponentId)
{
HRESULT hr=S_OK;
OBO_TOKEN OboToken;
INetCfgComponent* pncc;
GUID guidClass;
INetCfgClass* pncClass;
INetCfgClassSetup* pncClassSetup;
// OBO_TOKEN specifies the entity on whose behalf this
// component is being uninstalld
// set it to OBO_USER so that szComponentId will be uninstalld
// On-Behalf-Of "user"
ZeroMemory (&OboToken, sizeof(OboToken));
OboToken.Type = OBO_USER;
// see if the component is really installed
hr = pnc->FindComponent(szComponentId, &pncc);
if (S_OK == hr)
{
// yes, it is installed. obtain INetCfgClassSetup and DeInstall
hr = pncc->GetClassGuid(&guidClass);
if (S_OK == hr)
{
hr = pnc->QueryNetCfgClass(&guidClass, IID_INetCfgClass,
(void**)&pncClass);
if (SUCCEEDED(hr))
{
hr = pncClass->QueryInterface(IID_INetCfgClassSetup,
(void**)&pncClassSetup);
if (SUCCEEDED(hr))
{
hr = pncClassSetup->DeInstall (pncc, &OboToken, NULL);
ReleaseObj (pncClassSetup);
}
ReleaseObj(pncClass);
}
}
ReleaseObj(pncc);
}
return hr;
}
DWORD UninstallDriver()
{
TRACE_ENTER("UninstallDriver");
//_tprintf( _T("Uninstalling %s...\n"), NDISPROT_FRIENDLY_NAME );
// int nResult = MessageBox(NULL, _T("Uninstalling Driver..."), NDISPROT_FRIENDLY_NAME, MB_OKCANCEL | MB_ICONINFORMATION);
//
// if (nResult != IDOK)
// {
// return 0;
// }
INetCfg* pnc;
INetCfgComponent* pncc;
INetCfgClass* pncClass;
INetCfgClassSetup* pncClassSetup;
LPTSTR lpszApp;
GUID guidClass;
OBO_TOKEN obo;
HRESULT hr;
hr = HrGetINetCfg(TRUE, APP_NAME, &pnc, &lpszApp);
if (hr == S_OK)
{
//
// Get a reference to the network component to uninstall.
//
hr = pnc->FindComponent(NDISLWF_SERVICE_PNP_DEVICE_ID, &pncc);
if (hr == S_OK)
{
//
// Get the class GUID.
//
hr = pncc->GetClassGuid(&guidClass);
if (hr == S_OK)
{
//
// Get a reference to component's class.
//
hr = pnc->QueryNetCfgClass(&guidClass, IID_INetCfgClass, (PVOID *)&pncClass);
if (hr == S_OK)
{
//
// Get the setup interface.
//
hr = pncClass->QueryInterface(IID_INetCfgClassSetup, (LPVOID *)&pncClassSetup);
if (hr == S_OK)
{
//
// Uninstall the component.
//
ZeroMemory(&obo, sizeof(OBO_TOKEN));
obo.Type = OBO_USER;
hr = pncClassSetup->DeInstall(pncc, &obo, NULL);
if ((hr == S_OK) || (hr == NETCFG_S_REBOOT))
{
hr = pnc->Apply();
if ((hr != S_OK) && (hr != NETCFG_S_REBOOT))
{
ErrMsg(hr, L"Couldn't apply the changes after"
L" uninstalling %s.", NDISLWF_SERVICE_PNP_DEVICE_ID);
}
else
{
TRACE_EXIT("UninstallDriver");
return 1;
}
}
else
{
ErrMsg(hr, L"Failed to uninstall %s.", NDISLWF_SERVICE_PNP_DEVICE_ID);
}
ReleaseRef(pncClassSetup);
}
else
{
ErrMsg(hr, L"Couldn't get an interface to setup class.");
}
ReleaseRef(pncClass);
}
else
{
ErrMsg(hr, L"Couldn't get a pointer to class interface "
L"of %s.", NDISLWF_SERVICE_PNP_DEVICE_ID);
}
}
else
{
ErrMsg(hr, L"Couldn't get the class guid of %s.", NDISLWF_SERVICE_PNP_DEVICE_ID);
}
ReleaseRef(pncc);
}
else
{
ErrMsg(hr, L"Couldn't get an interface pointer to %s.", NDISLWF_SERVICE_PNP_DEVICE_ID);
}
HrReleaseINetCfg(pnc, TRUE);
}
else
{
if ((hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp)
{
ErrMsg(hr, L"%s currently holds the lock, try later.", lpszApp);
CoTaskMemFree(lpszApp);
}
else
{
ErrMsg(hr, L"Couldn't get the notify object interface.");
}
}
TRACE_EXIT("UninstallDriver");
return 0;
}
HRESULT HrUninstallNetComponent(
IN INetCfg* pnc,
IN LPCTSTR szComponentId
) {
INetCfgComponent *pncc = NULL;
INetCfgClass *pncClass = NULL;
INetCfgClassSetup *pncClassSetup = NULL;
OBO_TOKEN OboToken;
GUID guidClass;
HRESULT hr = S_OK;
//
// OBO_TOKEN specifies on whose behalf this
// component is being installed.
// Set it to OBO_USER so that szComponentId will be installed
// on behalf of the user.
//
ZeroMemory(&OboToken,
sizeof(OboToken));
OboToken.Type = OBO_USER;
//
// Get the component's reference.
//
hr = pnc->FindComponent(szComponentId,
&pncc);
if (S_OK == hr) {
//
// Get the component's class GUID.
//
hr = pncc->GetClassGuid(&guidClass);
if (hr == S_OK) {
//
// Get component's class reference.
//
hr = pnc->QueryNetCfgClass(&guidClass,
IID_INetCfgClass,
(void**)&pncClass);
if (hr == S_OK) {
//
// Get Setup reference.
//
hr = pncClass->QueryInterface(IID_INetCfgClassSetup,
(void**)&pncClassSetup);
if (hr == S_OK) {
hr = pncClassSetup->DeInstall(pncc,
&OboToken,
NULL);
if (hr == S_OK) {
//
// Apply the changes
//
hr = pnc->Apply();
}
ReleaseRef(pncClassSetup);
}
ReleaseRef(pncClass);
}
}
ReleaseRef(pncc);
}
return hr;
}
