140 lines
3.7 KiB
C++
140 lines
3.7 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: I S D N H O O K . C P P
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//
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// Contents: Hook for the ISDN wizard, from the netdi.cpp class installer
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//
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// Notes:
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//
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// Author: jeffspr 14 Jun 1997
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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 "isdncfg.h"
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#include "isdnwiz.h"
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#include "ncmisc.h"
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#include "ncreg.h"
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#include "ncstring.h"
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//---[ Constants ]------------------------------------------------------------
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extern const WCHAR c_szRegKeyInterfacesFromInstance[];
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extern const WCHAR c_szRegValueLowerRange[];
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//+--------------------------------------------------------------------------
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//
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// Function: FAdapterIsIsdn
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//
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// Purpose: Checks information under the adapters driver's key to
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// determine if the adapter is ISDN
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//
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// Arguments:
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// hkeyDriver [in] The driver key for the adapter
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//
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// Returns: BOOL. TRUE if the adapter is ISDN, FALSE otherwise
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//
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// Author: billbe 09 Sep 1997
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//
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// Notes:
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//
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BOOL
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FAdapterIsIsdn(HKEY hkeyDriver)
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{
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Assert(hkeyDriver);
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const WCHAR c_szIsdn[] = L"isdn";
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HKEY hkey;
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BOOL fIsIsdn = FALSE;
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// Open the Interfaces key under the driver key
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HRESULT hr = HrRegOpenKeyEx(hkeyDriver,
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c_szRegKeyInterfacesFromInstance, KEY_READ, &hkey);
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if (SUCCEEDED(hr))
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{
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PWSTR szRange;
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// Get the lower range of interfaces
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hr = HrRegQuerySzWithAlloc(hkey, c_szRegValueLowerRange, &szRange);
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if (SUCCEEDED(hr))
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{
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// Look for ISDN in the lower range
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fIsIsdn = FFindStringInCommaSeparatedList(c_szIsdn, szRange,
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NC_IGNORE, NULL);
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MemFree(szRange);
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}
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RegCloseKey(hkey);
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}
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return fIsIsdn;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: HrAddIsdnWizardPagesIfAppropriate
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//
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// Purpose: Adds the ISDN wizard pages to the hardware wizard if the
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// bindings dictate such. We look to see if they have a lower
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// binding of "isdn", and if so, then add the pages.
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//
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// Arguments:
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// hdi [in] See Device Installer Api for more info
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// pdeid [in]
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//
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// Returns: S_OK if successful or valid Win32 error
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//
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// Author: jeffspr 17 Jun 1997
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//
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// Notes:
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//
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HRESULT HrAddIsdnWizardPagesIfAppropriate(HDEVINFO hdi,
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PSP_DEVINFO_DATA pdeid)
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{
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Assert(IsValidHandle(hdi));
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Assert(pdeid);
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// Open the adapter's driver key
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//
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HKEY hkeyInstance = NULL;
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HRESULT hr = HrSetupDiOpenDevRegKey(hdi, pdeid, DICS_FLAG_GLOBAL, 0,
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DIREG_DRV, KEY_READ, &hkeyInstance);
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// Don't do anything if its not an ISDN adapter.
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if (SUCCEEDED(hr) && FShowIsdnPages(hkeyInstance))
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{
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// Read the ISDN registry structure into the config info
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//
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PISDN_CONFIG_INFO pisdnci;
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hr = HrReadIsdnPropertiesInfo(hkeyInstance, hdi, pdeid, &pisdnci);
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if (SUCCEEDED(hr))
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{
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Assert(pisdnci);
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if (pisdnci->dwCurSwitchType == ISDN_SWITCH_NONE)
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{
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// Add the wizard pages to the device's class install params.
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//
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hr = HrAddIsdnWizardPagesToDevice(hdi, pdeid, pisdnci);
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}
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else
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{
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TraceTag(ttidISDNCfg, "Not adding wizard pages because we "
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"found a previous switch type for this device.");
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}
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}
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}
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RegSafeCloseKey(hkeyInstance);
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TraceError("HrAddIsdnWizardPagesIfAppropriate", hr);
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return hr;
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}
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