1159 lines
35 KiB
C++
1159 lines
35 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// File: S N E T C F G . C P P
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//
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// Contents: Sample code that demonstrates how to:
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// - find out if a component is installed
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// - install a net component
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// - install an OEM net component
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// - uninstall a net component
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// - enumerate net components
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// - enumerate net adapters using Setup API
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// - enumerate binding paths of a component
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include "netcfg.h"
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#include "msg.h"
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#include <libmsg.h>
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//----------------------------------------------------------------------------
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// Globals
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//
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static const GUID* c_aguidClass[] =
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{
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&GUID_DEVCLASS_NET,
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&GUID_DEVCLASS_NETTRANS,
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&GUID_DEVCLASS_NETSERVICE,
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&GUID_DEVCLASS_NETCLIENT
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};
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//----------------------------------------------------------------------------
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// Prototypes of helper functions
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//
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HRESULT HrInstallNetComponent(IN INetCfg* pnc, IN PCWSTR szComponentId,
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IN const GUID* pguidClass);
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HRESULT HrUninstallNetComponent(IN INetCfg* pnc, IN PCWSTR szComponentId);
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HRESULT HrGetINetCfg(IN BOOL fGetWriteLock, INetCfg** ppnc);
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HRESULT HrReleaseINetCfg(BOOL fHasWriteLock, INetCfg* pnc);
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void ShowHrMessage(IN HRESULT hr);
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inline ULONG ReleaseObj(IUnknown* punk)
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{
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return (punk) ? punk->Release () : 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrIsComponentInstalled
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//
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// Purpose: Find out if a component is installed
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//
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// Arguments:
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// szComponentId [in] id of component to search
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//
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// Returns: S_OK if installed,
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// S_FALSE if not installed,
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// otherwise an error code
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//
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// Author: kumarp 11-February-99
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//
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// Notes:
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//
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HRESULT HrIsComponentInstalled(IN PCWSTR szComponentId)
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{
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HRESULT hr=S_OK;
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INetCfg* pnc;
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INetCfgComponent* pncc;
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hr = HrGetINetCfg(FALSE, &pnc);
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if (S_OK == hr)
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{
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hr = pnc->FindComponent(szComponentId, &pncc);
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if (S_OK == hr)
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{
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ReleaseObj(pncc);
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}
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(void) HrReleaseINetCfg(FALSE, pnc);
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}
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: FindIfComponentInstalled
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//
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// Purpose: Find out if a component is installed
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//
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// Arguments:
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// szComponentId [in] id of component to locate
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//
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// Returns: None
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//
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// Author: kumarp 11-February-99
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//
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// Notes:
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//
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void FindIfComponentInstalled(IN PCWSTR szComponentId)
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{
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HRESULT hr=S_OK;
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hr = HrIsComponentInstalled(szComponentId);
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if (S_OK == hr)
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{
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_COMPONENT_INSTALLED,
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szComponentId) );
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}
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else if (S_FALSE == hr)
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{
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_COMPONENT_NOT_INSTALLED,
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szComponentId) );
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}
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else
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{
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_INSTALLATION_NOT_CONFIRMED,
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szComponentId,
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hr) );
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrInstallNetComponent
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//
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// Purpose: Install the specified net component
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//
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// Arguments:
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// szComponentId [in] component to install
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// nc [in] class of the component
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// szInfFullPath [in] full path to primary INF file
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// required if the primary INF and other
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// associated files are not pre-copied to
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// the right destination dirs.
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// Not required when installing MS components
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// since the files are pre-copied by
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// Windows NT Setup.
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//
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// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
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//
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// Notes:
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//
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HRESULT HrInstallNetComponent(IN PCWSTR szComponentId,
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IN enum NetClass nc,
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IN PCWSTR szInfFullPath)
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{
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HRESULT hr=S_OK;
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INetCfg* pnc;
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// cannot install net adapters this way. they have to be
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// enumerated/detected and installed by PnP
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if ((nc == NC_NetProtocol) ||
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(nc == NC_NetService) ||
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(nc == NC_NetClient))
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{
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_TRYING_TO_INSTALL,
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szComponentId) );
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// if full path to INF has been specified, the INF
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// needs to be copied using Setup API to ensure that any other files
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// that the primary INF copies will be correctly found by Setup API
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//
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if (!MiniNTMode && szInfFullPath && wcslen(szInfFullPath))
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{
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WCHAR szInfNameAfterCopy[MAX_PATH+1];
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szInfNameAfterCopy[0] = NULL;
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if (SetupCopyOEMInf(
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szInfFullPath,
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NULL, // other files are in the
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// same dir. as primary INF
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SPOST_PATH, // first param. contains path to INF
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0, // default copy style
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szInfNameAfterCopy, // receives the name of the INF
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// after it is copied to %windir%\inf
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MAX_PATH, // max buf. size for the above
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NULL, // receives required size if non-null
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NULL)) // optionally retrieves filename
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// component of szInfNameAfterCopy
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{
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_COPY_NOTIFICATION,
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szInfFullPath,
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szInfNameAfterCopy) );
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}
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else
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{
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DWORD dwError = GetLastError();
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hr = HRESULT_FROM_WIN32(dwError);
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}
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}
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if (S_OK == hr)
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{
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// get INetCfg interface
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hr = HrGetINetCfg(TRUE, &pnc);
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if (SUCCEEDED(hr))
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{
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// install szComponentId
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hr = HrInstallNetComponent(pnc, szComponentId,
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c_aguidClass[nc]);
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if (SUCCEEDED(hr))
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{
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// Apply the changes
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hr = pnc->Apply();
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}
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// release INetCfg
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(void) HrReleaseINetCfg(TRUE, pnc);
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}
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}
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//
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// Don't show the reboot message in WinPE case
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//
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if (MiniNTMode && (hr == NETCFG_S_REBOOT)) {
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hr = S_OK;
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}
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// show success/failure message
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ShowHrMessage(hr);
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}
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrInstallNetComponent
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//
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// Purpose: Install the specified net component
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//
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// Arguments:
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// pnc [in] pointer to INetCfg object
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// szComponentId [in] component to install
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// pguidClass [in] class guid of the component
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//
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// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
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//
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// Notes:
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//
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HRESULT HrInstallNetComponent(IN INetCfg* pnc,
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IN PCWSTR szComponentId,
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IN const GUID* pguidClass)
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{
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HRESULT hr=S_OK;
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OBO_TOKEN OboToken;
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INetCfgClassSetup* pncClassSetup;
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INetCfgComponent* pncc;
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// OBO_TOKEN specifies the entity on whose behalf this
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// component is being installed
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// set it to OBO_USER so that szComponentId will be installed
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// On-Behalf-Of "user"
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ZeroMemory (&OboToken, sizeof(OboToken));
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OboToken.Type = OBO_USER;
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hr = pnc->QueryNetCfgClass (pguidClass, IID_INetCfgClassSetup,
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(void**)&pncClassSetup);
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if (SUCCEEDED(hr))
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{
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hr = pncClassSetup->Install(szComponentId,
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&OboToken,
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NSF_POSTSYSINSTALL,
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0, // <upgrade-from-build-num>
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NULL, // answerfile name
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NULL, // answerfile section name
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&pncc);
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if (S_OK == hr)
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{
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// we dont want to use pncc (INetCfgComponent), release it
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ReleaseObj(pncc);
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}
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ReleaseObj(pncClassSetup);
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}
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrUninstallNetComponent
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//
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// Purpose: Initialize INetCfg and uninstall a component
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//
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// Arguments:
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// szComponentId [in] InfId of component to uninstall (e.g. MS_TCPIP)
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//
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// Returns: S_OK or NETCFG_S_REBOOT on success, otherwise an error code
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//
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// Notes:
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//
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HRESULT HrUninstallNetComponent(IN PCWSTR szComponentId)
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{
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HRESULT hr=S_OK;
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INetCfg* pnc;
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|
|
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
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Message,
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sizeof(Message)/sizeof(Message[0]),
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MSG_UNINSTALL_NOTIFICATION,
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szComponentId) );
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// get INetCfg interface
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hr = HrGetINetCfg(TRUE, &pnc);
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if (SUCCEEDED(hr))
|
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{
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// uninstall szComponentId
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hr = HrUninstallNetComponent(pnc, szComponentId);
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if (S_OK == hr)
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{
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// Apply the changes
|
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hr = pnc->Apply();
|
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}
|
||
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else if (S_FALSE == hr)
|
||
|
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{
|
||
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_putts( GetFormattedMessage( ThisModule,
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FALSE,
|
||
|
|
Message,
|
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|
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sizeof(Message)/sizeof(Message[0]),
|
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|
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MSG_NOT_INSTALLED_NOTIFICATION,
|
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|
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szComponentId) );
|
||
|
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}
|
||
|
|
|
||
|
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// release INetCfg
|
||
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(void) HrReleaseINetCfg(TRUE, pnc);
|
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|
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}
|
||
|
|
|
||
|
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// show success/failure message
|
||
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ShowHrMessage(hr);
|
||
|
|
|
||
|
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return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// 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;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrShowNetAdapters
|
||
|
|
//
|
||
|
|
// Purpose: Display all installed net class devices using Setup API
|
||
|
|
//
|
||
|
|
// Arguments: None
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrShowNetAdapters()
|
||
|
|
{
|
||
|
|
#define MAX_COMP_INSTID 4096
|
||
|
|
#define MAX_COMP_DESC 4096
|
||
|
|
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
HDEVINFO hdi;
|
||
|
|
DWORD dwIndex=0;
|
||
|
|
SP_DEVINFO_DATA deid;
|
||
|
|
BOOL fSuccess=FALSE;
|
||
|
|
DWORD cchRequiredSize;
|
||
|
|
LPTSTR lpszCompInstanceId;
|
||
|
|
LPTSTR lpszCompDescription;
|
||
|
|
DWORD dwRegType;
|
||
|
|
BOOL fFound=FALSE;
|
||
|
|
|
||
|
|
// get a list of all devices of class 'GUID_DEVCLASS_NET'
|
||
|
|
hdi = SetupDiGetClassDevs(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT);
|
||
|
|
|
||
|
|
// Allocate the buffer for the device instance ID
|
||
|
|
//
|
||
|
|
lpszCompInstanceId = (LPTSTR) HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, (MAX_COMP_INSTID * sizeof(WCHAR)) );
|
||
|
|
|
||
|
|
// Allocate the buffer for the device description
|
||
|
|
//
|
||
|
|
lpszCompDescription = (LPTSTR) HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, (MAX_COMP_DESC * sizeof(WCHAR)) );
|
||
|
|
|
||
|
|
if ( (NULL != lpszCompInstanceId) &&
|
||
|
|
(NULL != lpszCompDescription) &&
|
||
|
|
(INVALID_HANDLE_VALUE != hdi) )
|
||
|
|
{
|
||
|
|
// enumerate over each device
|
||
|
|
while (deid.cbSize = sizeof(SP_DEVINFO_DATA),
|
||
|
|
SetupDiEnumDeviceInfo(hdi, dwIndex, &deid))
|
||
|
|
{
|
||
|
|
dwIndex++;
|
||
|
|
|
||
|
|
// the right thing to do here would be to call this function
|
||
|
|
// to get the size required to hold the instance ID and then
|
||
|
|
// to call it second time with a buffer large enough for that size.
|
||
|
|
// However, that would tend to obscure the control flow in
|
||
|
|
// the sample code. Lets keep things simple by keeping the
|
||
|
|
// buffer large enough.
|
||
|
|
|
||
|
|
// get the device instance ID
|
||
|
|
fSuccess = SetupDiGetDeviceInstanceId(hdi, &deid,
|
||
|
|
lpszCompInstanceId,
|
||
|
|
MAX_COMP_INSTID, NULL);
|
||
|
|
|
||
|
|
if (fSuccess)
|
||
|
|
{
|
||
|
|
// get the description for this instance
|
||
|
|
fSuccess =
|
||
|
|
SetupDiGetDeviceRegistryProperty(hdi, &deid,
|
||
|
|
SPDRP_DEVICEDESC,
|
||
|
|
&dwRegType,
|
||
|
|
(BYTE*) lpszCompDescription,
|
||
|
|
MAX_COMP_DESC,
|
||
|
|
NULL);
|
||
|
|
if (fSuccess)
|
||
|
|
{
|
||
|
|
if (!fFound)
|
||
|
|
{
|
||
|
|
fFound = TRUE;
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_INSTANCE_DESCRIPTION ) );
|
||
|
|
}
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_COMPONENT_DESCRIPTION,
|
||
|
|
lpszCompInstanceId,
|
||
|
|
lpszCompDescription ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// release the device info list
|
||
|
|
SetupDiDestroyDeviceInfoList(hdi);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free the device instance buffer
|
||
|
|
//
|
||
|
|
if ( lpszCompInstanceId )
|
||
|
|
HeapFree( GetProcessHeap(), 0, lpszCompInstanceId );
|
||
|
|
|
||
|
|
// Free the device description buffer
|
||
|
|
//
|
||
|
|
if ( lpszCompDescription )
|
||
|
|
HeapFree( GetProcessHeap(), 0, lpszCompDescription );
|
||
|
|
|
||
|
|
if (!fSuccess)
|
||
|
|
{
|
||
|
|
DWORD dwError = GetLastError();
|
||
|
|
hr = HRESULT_FROM_WIN32(dwError);
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrShowNetComponents
|
||
|
|
//
|
||
|
|
// Purpose: Display the list of installed components of the
|
||
|
|
// specified class.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pnc [in] pointer to INetCfg object
|
||
|
|
// pguidClass [in] pointer to class GUID
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrShowNetComponents(IN INetCfg* pnc,
|
||
|
|
IN const GUID* pguidClass)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
PWSTR szInfId;
|
||
|
|
PWSTR szDisplayName;
|
||
|
|
DWORD dwcc;
|
||
|
|
INetCfgComponent* pncc;
|
||
|
|
INetCfgClass* pncclass;
|
||
|
|
IEnumNetCfgComponent* pencc;
|
||
|
|
ULONG celtFetched;
|
||
|
|
|
||
|
|
hr = pnc->QueryNetCfgClass(pguidClass, IID_INetCfgClass,
|
||
|
|
(void**)&pncclass);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// get IEnumNetCfgComponent so that we can enumerate
|
||
|
|
hr = pncclass->EnumComponents(&pencc);
|
||
|
|
|
||
|
|
ReleaseObj(pncclass);
|
||
|
|
|
||
|
|
while (SUCCEEDED(hr) &&
|
||
|
|
(S_OK == (hr = pencc->Next(1, &pncc, &celtFetched))))
|
||
|
|
{
|
||
|
|
if (pguidClass == &GUID_DEVCLASS_NET)
|
||
|
|
{
|
||
|
|
// we are interested only in physical netcards
|
||
|
|
//
|
||
|
|
hr = pncc->GetCharacteristics(&dwcc);
|
||
|
|
|
||
|
|
if (FAILED(hr) || !(dwcc & NCF_PHYSICAL))
|
||
|
|
{
|
||
|
|
hr = S_OK;
|
||
|
|
ReleaseObj(pncc);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = pncc->GetId(&szInfId);
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
hr = pncc->GetDisplayName(&szDisplayName);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_DISPLAY_NAME,
|
||
|
|
szInfId,
|
||
|
|
szDisplayName) );
|
||
|
|
|
||
|
|
CoTaskMemFree(szDisplayName);
|
||
|
|
}
|
||
|
|
CoTaskMemFree(szInfId);
|
||
|
|
}
|
||
|
|
// we dont want to stop enumeration just because 1 component
|
||
|
|
// failed either GetId or GetDisplayName, therefore reset hr to S_OK
|
||
|
|
hr = S_OK;
|
||
|
|
|
||
|
|
ReleaseObj(pncc);
|
||
|
|
}
|
||
|
|
ReleaseObj(pencc);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (S_FALSE == hr)
|
||
|
|
{
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrShowNetComponents
|
||
|
|
//
|
||
|
|
// Purpose: Display installed net components.
|
||
|
|
//
|
||
|
|
// Arguments: None
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrShowNetComponents()
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
PCWSTR szClassName;
|
||
|
|
|
||
|
|
static const PCWSTR c_aszClassNames[] =
|
||
|
|
{
|
||
|
|
L"Network Adapters",
|
||
|
|
L"Network Protocols",
|
||
|
|
L"Network Services",
|
||
|
|
L"Network Clients"
|
||
|
|
};
|
||
|
|
|
||
|
|
INetCfg* pnc;
|
||
|
|
|
||
|
|
// get INetCfg interface
|
||
|
|
hr = HrGetINetCfg(FALSE, &pnc);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
for (int i=0; i<4; i++)
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_NET_COMPONENTS,
|
||
|
|
c_aszClassNames[i]) );
|
||
|
|
|
||
|
|
(void) HrShowNetComponents(pnc, c_aguidClass[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
// release INetCfg
|
||
|
|
hr = HrReleaseINetCfg(FALSE, pnc);
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrGetNextBindingInterface
|
||
|
|
//
|
||
|
|
// Purpose: Enumerate over binding interfaces that constitute
|
||
|
|
// the given binding path
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pncbp [in] pointer to INetCfgBindingPath object
|
||
|
|
// ppncbi [out] pointer to pointer to INetCfgBindingInterface object
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrGetNextBindingInterface(IN INetCfgBindingPath* pncbp,
|
||
|
|
OUT INetCfgBindingInterface** ppncbi)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
INetCfgBindingInterface* pncbi=NULL;
|
||
|
|
|
||
|
|
static IEnumNetCfgBindingInterface* pencbi=NULL;
|
||
|
|
|
||
|
|
*ppncbi = NULL;
|
||
|
|
|
||
|
|
// if this is the first call in the enumeration, obtain
|
||
|
|
// the IEnumNetCfgBindingInterface interface
|
||
|
|
//
|
||
|
|
if (!pencbi)
|
||
|
|
{
|
||
|
|
hr = pncbp->EnumBindingInterfaces(&pencbi);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
ULONG celtFetched;
|
||
|
|
|
||
|
|
// get next binding interface
|
||
|
|
hr = pencbi->Next(1, &pncbi, &celtFetched);
|
||
|
|
}
|
||
|
|
|
||
|
|
// on the last call (hr == S_FALSE) or on error, release resources
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
*ppncbi = pncbi;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ReleaseObj(pencbi);
|
||
|
|
pencbi = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrGetNextBindingPath
|
||
|
|
//
|
||
|
|
// Purpose: Enumerate over binding paths that start with
|
||
|
|
// the specified component
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pncc [in] pointer to INetCfgComponent object
|
||
|
|
// dwBindingPathType [in] type of binding path to retrieve
|
||
|
|
// ppncbp [out] pointer to INetCfgBindingPath interface
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrGetNextBindingPath(IN INetCfgComponent* pncc,
|
||
|
|
IN DWORD dwBindingPathType,
|
||
|
|
OUT INetCfgBindingPath** ppncbp)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
INetCfgBindingPath* pncbp=NULL;
|
||
|
|
|
||
|
|
static IEnumNetCfgBindingPath* pebp=NULL;
|
||
|
|
|
||
|
|
*ppncbp = NULL;
|
||
|
|
|
||
|
|
// if this is the first call in the enumeration, obtain
|
||
|
|
// the IEnumNetCfgBindingPath interface
|
||
|
|
if (!pebp)
|
||
|
|
{
|
||
|
|
INetCfgComponentBindings* pnccb=NULL;
|
||
|
|
|
||
|
|
hr = pncc->QueryInterface(IID_INetCfgComponentBindings,
|
||
|
|
(void**) &pnccb);
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
hr = pnccb->EnumBindingPaths(dwBindingPathType, &pebp);
|
||
|
|
ReleaseObj(pnccb);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
ULONG celtFetched;
|
||
|
|
|
||
|
|
// get next binding path
|
||
|
|
hr = pebp->Next(1, &pncbp, &celtFetched);
|
||
|
|
}
|
||
|
|
|
||
|
|
// on the last call (hr == S_FALSE) or on error, release resources
|
||
|
|
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
*ppncbp = pncbp;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ReleaseObj(pebp);
|
||
|
|
pebp = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrShowBindingPath
|
||
|
|
//
|
||
|
|
// Purpose: Display components of a binding path in the format:
|
||
|
|
// foo -> bar -> adapter
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pncbp [in] pointer to INetCfgBindingPath object
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrShowBindingPath(IN INetCfgBindingPath* pncbp)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
INetCfgBindingInterface* pncbi;
|
||
|
|
INetCfgComponent* pncc = NULL;
|
||
|
|
BOOL fFirstInterface=TRUE;
|
||
|
|
PWSTR szComponentId;
|
||
|
|
|
||
|
|
while (SUCCEEDED(hr) &&
|
||
|
|
(S_OK == (hr = HrGetNextBindingInterface(pncbp, &pncbi))))
|
||
|
|
{
|
||
|
|
// for the first (top) interface we need to get the upper as well as
|
||
|
|
// the lower component. for other interfaces we need to get
|
||
|
|
// only the lower component.
|
||
|
|
|
||
|
|
if (fFirstInterface)
|
||
|
|
{
|
||
|
|
fFirstInterface = FALSE;
|
||
|
|
hr = pncbi->GetUpperComponent(&pncc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// get id so that we can display it
|
||
|
|
//
|
||
|
|
// for readability of the output, we have used the GetId
|
||
|
|
// function. For non net class components, this
|
||
|
|
// does not pose a problem. In case of net class components,
|
||
|
|
// there may be more than one net adapters of the same type
|
||
|
|
// in which case, GetId will return the same string. This will
|
||
|
|
// make it impossible to distinguish between two binding
|
||
|
|
// paths that end in two distinct identical cards. In such case,
|
||
|
|
// it may be better to use the GetInstanceGuid function because
|
||
|
|
// it will return unique GUID for each instance of an adapter.
|
||
|
|
//
|
||
|
|
hr = pncc->GetId(&szComponentId);
|
||
|
|
ReleaseObj(pncc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_COMPONENT_ID,
|
||
|
|
szComponentId) );
|
||
|
|
CoTaskMemFree(szComponentId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pncbi->GetLowerComponent(&pncc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pncc->GetId(&szComponentId);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_LOWER_COMPONENTS,
|
||
|
|
szComponentId) );
|
||
|
|
CoTaskMemFree(szComponentId);
|
||
|
|
}
|
||
|
|
ReleaseObj(pncc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ReleaseObj(pncbi);
|
||
|
|
}
|
||
|
|
|
||
|
|
_tprintf(L"\n");
|
||
|
|
|
||
|
|
if (hr == S_FALSE)
|
||
|
|
{
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrShowBindingPathsBelowComponent
|
||
|
|
//
|
||
|
|
// Purpose: Display all binding paths that start with
|
||
|
|
// the specified component
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// szComponentId [in] id of given component (e.g. MS_TCPIP)
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrShowBindingPathsOfComponent(IN PCWSTR szComponentId)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
INetCfg* pnc=NULL;
|
||
|
|
INetCfgComponent* pncc=NULL;
|
||
|
|
INetCfgBindingPath* pncbp=NULL;
|
||
|
|
|
||
|
|
// get INetCfg interface
|
||
|
|
hr = HrGetINetCfg(FALSE, &pnc);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// get INetCfgComponent for szComponentId
|
||
|
|
hr = pnc->FindComponent(szComponentId, &pncc);
|
||
|
|
if (S_OK == hr)
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_BINDING_PATHS_START,
|
||
|
|
szComponentId) );
|
||
|
|
|
||
|
|
while (S_OK == (hr = HrGetNextBindingPath(pncc, EBP_BELOW,
|
||
|
|
&pncbp)))
|
||
|
|
{
|
||
|
|
// display the binding path
|
||
|
|
hr = HrShowBindingPath(pncbp);
|
||
|
|
ReleaseObj(pncbp);
|
||
|
|
}
|
||
|
|
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_BINDING_PATHS_END,
|
||
|
|
szComponentId) );
|
||
|
|
|
||
|
|
while (S_OK == (hr = HrGetNextBindingPath(pncc, EBP_ABOVE,
|
||
|
|
&pncbp)))
|
||
|
|
{
|
||
|
|
// display the binding path
|
||
|
|
hr = HrShowBindingPath(pncbp);
|
||
|
|
ReleaseObj(pncbp);
|
||
|
|
}
|
||
|
|
|
||
|
|
ReleaseObj(pncc);
|
||
|
|
}
|
||
|
|
// release INetCfg
|
||
|
|
hr = HrReleaseINetCfg(FALSE, pnc);
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrGetINetCfg
|
||
|
|
//
|
||
|
|
// Purpose: Initialize COM, create and initialize INetCfg.
|
||
|
|
// Obtain write lock if indicated.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// fGetWriteLock [in] whether to get write lock
|
||
|
|
// ppnc [in] pointer to pointer to INetCfg object
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrGetINetCfg(IN BOOL fGetWriteLock,
|
||
|
|
INetCfg** ppnc)
|
||
|
|
{
|
||
|
|
HRESULT hr=S_OK;
|
||
|
|
|
||
|
|
// Initialize the output parameters.
|
||
|
|
*ppnc = NULL;
|
||
|
|
|
||
|
|
// initialize COM
|
||
|
|
hr = CoInitializeEx(NULL,
|
||
|
|
COINIT_DISABLE_OLE1DDE | COINIT_APARTMENTTHREADED );
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Create the object implementing INetCfg.
|
||
|
|
//
|
||
|
|
INetCfg* pnc;
|
||
|
|
hr = CoCreateInstance(CLSID_CNetCfg, NULL, CLSCTX_INPROC_SERVER,
|
||
|
|
IID_INetCfg, (void**)&pnc);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
INetCfgLock * pncLock = NULL;
|
||
|
|
if (fGetWriteLock)
|
||
|
|
{
|
||
|
|
// Get the locking interface
|
||
|
|
hr = pnc->QueryInterface(IID_INetCfgLock,
|
||
|
|
(LPVOID *)&pncLock);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Attempt to lock the INetCfg for read/write
|
||
|
|
static const ULONG c_cmsTimeout = 15000;
|
||
|
|
static const WCHAR c_szSampleNetcfgApp[] =
|
||
|
|
L"Sample Netcfg Application (netcfg.exe)";
|
||
|
|
PWSTR szLockedBy;
|
||
|
|
|
||
|
|
hr = pncLock->AcquireWriteLock(c_cmsTimeout,
|
||
|
|
c_szSampleNetcfgApp,
|
||
|
|
&szLockedBy);
|
||
|
|
if (S_FALSE == hr)
|
||
|
|
{
|
||
|
|
hr = NETCFG_E_NO_WRITE_LOCK;
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_NETCFG_ALREADY_LOCKED,
|
||
|
|
szLockedBy) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Initialize the INetCfg object.
|
||
|
|
//
|
||
|
|
hr = pnc->Initialize(NULL);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
*ppnc = pnc;
|
||
|
|
pnc->AddRef();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// initialize failed, if obtained lock, release it
|
||
|
|
if (pncLock)
|
||
|
|
{
|
||
|
|
pncLock->ReleaseWriteLock();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ReleaseObj(pncLock);
|
||
|
|
ReleaseObj(pnc);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
CoUninitialize();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: HrReleaseINetCfg
|
||
|
|
//
|
||
|
|
// Purpose: Uninitialize INetCfg, release write lock (if present)
|
||
|
|
// and uninitialize COM.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// fHasWriteLock [in] whether write lock needs to be released.
|
||
|
|
// pnc [in] pointer to INetCfg object
|
||
|
|
//
|
||
|
|
// Returns: S_OK on success, otherwise an error code
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
HRESULT HrReleaseINetCfg(BOOL fHasWriteLock, INetCfg* pnc)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
// uninitialize INetCfg
|
||
|
|
hr = pnc->Uninitialize();
|
||
|
|
|
||
|
|
// if write lock is present, unlock it
|
||
|
|
if (SUCCEEDED(hr) && fHasWriteLock)
|
||
|
|
{
|
||
|
|
INetCfgLock* pncLock;
|
||
|
|
|
||
|
|
// Get the locking interface
|
||
|
|
hr = pnc->QueryInterface(IID_INetCfgLock,
|
||
|
|
(LPVOID *)&pncLock);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pncLock->ReleaseWriteLock();
|
||
|
|
ReleaseObj(pncLock);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ReleaseObj(pnc);
|
||
|
|
|
||
|
|
CoUninitialize();
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: ShowHrMessage
|
||
|
|
//
|
||
|
|
// Purpose: Helper function to display the status of the last action
|
||
|
|
// as indicated by the given HRESULT
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// hr [in] status code
|
||
|
|
//
|
||
|
|
// Returns: None
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
void ShowHrMessage(IN HRESULT hr)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_DONE) );
|
||
|
|
if (NETCFG_S_REBOOT == hr)
|
||
|
|
{
|
||
|
|
_putts(GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_MACHINE_REBOOT_REQUIRED) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_putts( GetFormattedMessage( ThisModule,
|
||
|
|
FALSE,
|
||
|
|
Message,
|
||
|
|
sizeof(Message)/sizeof(Message[0]),
|
||
|
|
MSG_FAILURE_NOTIFICATION) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|