//+---------------------------------------------------------------------------
//
// Function: HrUninstallNetComponent
//
// Purpose: Initialize INetCfg and uninstall a component
//
// Arguments:
// szComponentId [in] InfId of component to uninstall (e.g. MS_TCPIP)
//
// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
//
// Notes:
//
HRESULT HrUninstallNetComponent(IN PCWSTR szComponentId)
{
HRESULT hr=S_OK;
INetCfg* pnc = NULL ;
LogPrintf(_T("Trying to uninstall '%s'...\n"), szComponentId);
// get INetCfg interface
hr = HrGetINetCfg(TRUE, &pnc);
if (SUCCEEDED(hr))
{
// uninstall szComponentId
hr = HrUninstallNetComponent(pnc, szComponentId);
if (S_OK == hr)
{
// Apply the changes
hr = pnc->Apply();
}
else if (S_FALSE == hr)
{
LogPrintf(_T("'%s' is not installed\n"), szComponentId);
}
// release INetCfg
(void) HrReleaseINetCfg(TRUE, pnc);
}
// show success/failure message
ShowHrMessage(hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: HrUninstallNetComponent
//
// Purpose: Initialize INetCfg and uninstall a component
//
// Arguments:
// szComponentId [in] InfId of component to uninstall (e.g. MS_TCPIP)
//
// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
//
// Notes:
//
HRESULT HrUninstallNetComponent(IN PCWSTR szComponentId)
{
HRESULT hr=S_OK;
INetCfg* pnc;
// get INetCfg interface
hr = HrGetINetCfg(TRUE, &pnc);
if (SUCCEEDED(hr))
{
// uninstall szComponentId
hr = HrUninstallNetComponent(pnc, szComponentId);
if (S_OK == hr)
{
// Apply the changes
hr = pnc->Apply();
}
// release INetCfg
(void) HrReleaseINetCfg(TRUE, pnc);
}
// show success/failure message
ShowHrMessage(hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: HrInstallNetComponent
//
// Purpose: Install the specified net component
//
// Arguments:
// szComponentId [in] component to install
// nc [in] class of the component
// szInfFullPath [in] full path to primary INF file
// required if the primary INF and other
// associated files are not pre-copied to
// the right destination dirs.
// Not required when installing MS components
// since the files are pre-copied by
// Windows NT Setup.
//
// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
//
// Notes:
//
HRESULT HrInstallNetComponent(IN PCTSTR szComponentId,
IN enum NetClass nc,
IN PCTSTR szInfFullPath)
{
HRESULT hr=S_OK;
INetCfg* pnc;
// cannot install net adapters this way. they have to be
// enumerated/detected and installed by PnP
if ((nc == NC_NetProtocol) ||
(nc == NC_NetService) ||
(nc == NC_NetClient))
{
LogPrintf(_T("Trying to install '%s'...\n"), szComponentId);
// if full path to INF has been specified, the INF
// needs to be copied using Setup API to ensure that any other files
// that the primary INF copies will be correctly found by Setup API
//
size_t cchPath;
StringCchLength(szInfFullPath, MAX_PATH, &cchPath);
if (szInfFullPath && cchPath)
{
TCHAR szInfNameAfterCopy[MAX_PATH+1];
if (SetupCopyOEMInf(
szInfFullPath,
NULL, // other files are in the
// same dir. as primary INF
SPOST_PATH, // first param. contains path to INF
0, // default copy style
szInfNameAfterCopy, // receives the name of the INF
// after it is copied to %windir%\inf
MAX_PATH, // max buf. size for the above
NULL, // receives required size if non-null
NULL)) // optionally retrieves filename
// component of szInfNameAfterCopy
{
LogPrintf(_T("...%s was copied to %s\n"),
szInfFullPath,
szInfNameAfterCopy);
}
else
{
DWORD dwError = GetLastError();
LogPrintf(_T("Error on SetupCopyOEMInf, error %d"), dwError);
hr = HRESULT_FROM_WIN32(dwError);
}
}
if (S_OK == hr)
{
// get INetCfg interface
hr = HrGetINetCfg(TRUE, &pnc);
if (SUCCEEDED(hr))
{
// install szComponentId
LogPrintf(_T("Installing %s\n"), szComponentId);
hr = HrInstallNetComponent(pnc, szComponentId,
c_aguidClass[nc]);
if (SUCCEEDED(hr))
{
LogPrintf(_T("Installed successfully\n"));
// Apply the changes
LogPrintf(_T("Applying changes\n"));
hr = pnc->Apply();
LogPrintf(_T("Applied successfully\n"));
} else {
LogPrintf(_T("%s installation failed.\n"));
}
// release INetCfg
(void) HrReleaseINetCfg(TRUE, pnc);
}
}
// show success/failure message
ShowHrMessage(hr);
}
return hr;
}
