Source code of Windows XP (NT5)
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233 lines
6.3 KiB

#include <windows.h>
#include <netcfgx.h>
#include <netcfgn.h>
#include <setupapi.h>
#include <devguid.h>
#include <tchar.h>
#include <stdio.h>
const WCHAR szComponentId[] = L"DSMIGRAT";
const WCHAR szName[] = L"deldsm.exe";
const WCHAR szClient[] = L"ms_nwclient";
const WCHAR szUnknown[] = L"Microsoft";
const WCHAR szDSM[] = L"dsmigrat";
HRESULT
HrFindAndRemoveComponent2(
INetCfg* pnc,
const GUID* pguidClass,
PCWSTR pszComponentId,
OBO_TOKEN* pOboToken)
{
// Get the component class object.
//
INetCfgClass* pncclass;
HRESULT hr = pnc->QueryNetCfgClass (pguidClass, IID_INetCfgClass,
reinterpret_cast<void**>(&pncclass));
if (SUCCEEDED(hr))
{
// Find the component to remove.
//
INetCfgComponent* pnccRemove;
hr = pncclass->FindComponent (pszComponentId, &pnccRemove);
if (S_OK == hr)
{
INetCfgClassSetup* pncclasssetup;
hr = pncclass->QueryInterface (IID_INetCfgClassSetup,
reinterpret_cast<void**>(&pncclasssetup));
if (SUCCEEDED(hr))
{
hr = pncclasssetup->DeInstall (pnccRemove, pOboToken, NULL);
//ReleaseObj (pncclasssetup);
pncclasssetup->Release();
}
//ReleaseObj (pnccRemove);
pnccRemove->Release();
}
else if (S_FALSE == hr)
{
hr = S_OK;
}
//ReleaseObj (pncclass);
pncclass->Release();
}
/*
TraceHr (ttidError, FAL, hr,
(NETCFG_S_REBOOT == hr) || (NETCFG_S_STILL_REFERENCED == hr),
"HrFindAndRemoveComponent");
*/
return hr;
}
HRESULT
HrRemoveComponentOboSoftware2 (
INetCfg* pnc,
const GUID& rguidClass,
PCWSTR pszComponentId,
PCWSTR pszManufacturer,
PCWSTR pszProduct,
PCWSTR pszDisplayName)
{
// Make an "on behalf of" token for the software.
//
OBO_TOKEN OboToken;
ZeroMemory (&OboToken, sizeof(OboToken));
OboToken.Type = OBO_SOFTWARE;
OboToken.pszwManufacturer = pszManufacturer;
OboToken.pszwProduct = pszProduct;
OboToken.pszwDisplayName = pszDisplayName;
HRESULT hr = HrFindAndRemoveComponent2(pnc, &rguidClass, pszComponentId,
&OboToken);
return hr;
}
HRESULT
HrCreateAndInitializeINetCfg2 (
BOOL* pfInitCom,
INetCfg** ppnc,
BOOL fGetWriteLock,
DWORD cmsTimeout,
PCWSTR pszClientDesc,
PWSTR* ppszClientDesc)
{
//Assert (ppnc);
// Initialize the output parameters.
*ppnc = NULL;
if (ppszClientDesc)
{
*ppszClientDesc = NULL;
}
// Initialize COM if the caller requested.
HRESULT hr = S_OK;
if (pfInitCom && *pfInitCom)
{
hr = CoInitializeEx( NULL,
COINIT_DISABLE_OLE1DDE | COINIT_APARTMENTTHREADED );
if (RPC_E_CHANGED_MODE == hr)
{
hr = S_OK;
*pfInitCom = FALSE;
}
}
if (SUCCEEDED(hr))
{
// Create the object implementing INetCfg.
//
INetCfg* pnc;
hr = CoCreateInstance(
CLSID_CNetCfg,
NULL,
CLSCTX_INPROC_SERVER | CLSCTX_NO_CODE_DOWNLOAD,
IID_INetCfg,
reinterpret_cast<void**>(&pnc));
if (SUCCEEDED(hr))
{
INetCfgLock * pnclock = NULL;
if (fGetWriteLock)
{
// Get the locking interface
hr = pnc->QueryInterface(IID_INetCfgLock,
reinterpret_cast<LPVOID *>(&pnclock));
if (SUCCEEDED(hr))
{
// Attempt to lock the INetCfg for read/write
hr = pnclock->AcquireWriteLock(cmsTimeout, pszClientDesc,
ppszClientDesc);
if (S_FALSE == hr)
{
// Couldn't acquire the lock
hr = NETCFG_E_NO_WRITE_LOCK;
}
}
}
if (SUCCEEDED(hr))
{
// Initialize the INetCfg object.
//
hr = pnc->Initialize (NULL);
if (SUCCEEDED(hr))
{
*ppnc = pnc;
//AddRefObj (pnc);
pnc->AddRef();
}
else
{
if (pnclock)
{
pnclock->ReleaseWriteLock();
}
}
// Transfer reference to caller.
}
//ReleaseObj(pnclock);
pnclock->Release();
//ReleaseObj(pnc);
pnc->Release();
}
// If we failed anything above, and we've initialized COM,
// be sure an uninitialize it.
//
if (FAILED(hr) && pfInitCom && *pfInitCom)
{
CoUninitialize ();
}
}
return hr;
}
extern "C" int __cdecl wmain(
IN int argc,
IN PWSTR argv[]
)
{
INetCfg *pnc = NULL;
HRESULT hr = S_OK;
PWSTR pszDesc = NULL;
BOOL fInitCom = TRUE;
BOOL fWriteLock = TRUE;
hr = HrCreateAndInitializeINetCfg2(&fInitCom,
&pnc,
fWriteLock,
0,
szName,
&pszDesc);
if (FAILED(hr)) {
goto error;
}
hr = HrRemoveComponentOboSoftware2(pnc,
GUID_DEVCLASS_NETCLIENT,
szClient,
szUnknown,
szDSM,
szComponentId);
if (FAILED(hr)) {
goto error;
}
printf("DSMU's dependencies on GSNW and IPX have been removed. To complete the uninstall, please delete the 'DSMigrat' directory under the directory 'Program Files'.\n");
error:
if (FAILED(hr)) {
printf("The uninstallation of Dsmigrat has failed with an error 0x%x\n",hr);
}
if (pnc)
pnc->Release();
return 0;
}