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windows-server-2003/net/config/netcfg/engine/comp.cpp

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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1999.
//
// File: C O M P . C P P
//
// Contents: The module implements the operations that are valid on
// network component datatypes.
//
// Notes:
//
// Author: shaunco 15 Jan 1999
//
//----------------------------------------------------------------------------
#include <pch.h>
#pragma hdrstop
#include "comp.h"
#include "icomp.h"
#include "ncreg.h"
#include "ncsetup.h"
#include "ncstring.h"
#include "ncmem.h"
#include "util.h"
// NULL entries means we don't use the network subtree for that class.
//
const PCWSTR MAP_NETCLASS_TO_NETWORK_SUBTREE[] =
{
L"System\\CurrentControlSet\\Control\\Network\\{4d36e972-e325-11ce-bfc1-08002be10318}",
L"System\\CurrentControlSet\\Control\\Network\\{6BDD1FC5-810F-11D0-BEC7-08002BE2092F}",
L"System\\CurrentControlSet\\Control\\Network\\{4d36e975-e325-11ce-bfc1-08002be10318}",
L"System\\CurrentControlSet\\Control\\Network\\{4d36e973-e325-11ce-bfc1-08002be10318}",
L"System\\CurrentControlSet\\Control\\Network\\{4d36e974-e325-11ce-bfc1-08002be10318}",
NULL,
NULL
};
// map of NETCLASS enum to GUIDs for class
//
const GUID* MAP_NETCLASS_TO_GUID[] =
{
&GUID_DEVCLASS_NET,
&GUID_DEVCLASS_INFRARED,
&GUID_DEVCLASS_NETTRANS,
&GUID_DEVCLASS_NETCLIENT,
&GUID_DEVCLASS_NETSERVICE,
&GUID_DEVCLASS_UNKNOWN,
&GUID_DEVCLASS_UNKNOWN
};
const WCHAR c_szTempNetcfgStorageForUninstalledEnumeratedComponent[] =
L"System\\CurrentControlSet\\Control\\Network\\Uninstalled\\";
//static
HRESULT
CComponent::HrCreateInstance (
IN const BASIC_COMPONENT_DATA* pData,
IN DWORD dwFlags,
IN const OBO_TOKEN* pOboToken, OPTIONAL
OUT CComponent** ppComponent)
{
ULONG cbInfId;
ULONG cbPnpId;
Assert (pData);
Assert (pData->pszInfId && *pData->pszInfId);
Assert (FIsValidNetClass(pData->Class));
Assert (FImplies(FIsEnumerated(pData->Class),
pData->pszPnpId && *pData->pszPnpId));
Assert (FImplies(pData->pszPnpId, *pData->pszPnpId));
Assert (FImplies(pData->dwDeipFlags, FIsEnumerated(pData->Class)));
Assert ((CCI_DEFAULT == dwFlags) ||
(CCI_ENSURE_EXTERNAL_DATA_LOADED == dwFlags));
Assert (GUID_NULL != pData->InstanceGuid);
cbInfId = CbOfSzAndTerm (pData->pszInfId);
cbPnpId = CbOfSzAndTermSafe (pData->pszPnpId);
HRESULT hr = E_OUTOFMEMORY;
CComponent* pComponent = new(extrabytes, cbInfId + cbPnpId) CComponent;
if (pComponent)
{
hr = S_OK;
ZeroMemory (pComponent, sizeof(CComponent));
pComponent->m_InstanceGuid = pData->InstanceGuid;
pComponent->m_Class = pData->Class;
pComponent->m_dwCharacter = pData->dwCharacter;
pComponent->m_dwDeipFlags = pData->dwDeipFlags;
pComponent->m_pszInfId = (PCWSTR)(pComponent + 1);
wcscpy ((PWSTR)pComponent->m_pszInfId, pData->pszInfId);
_wcslwr ((PWSTR)pComponent->m_pszInfId);
AddOrRemoveDontExposeLowerCharacteristicIfNeeded (pComponent);
if (cbPnpId)
{
pComponent->m_pszPnpId = (PCWSTR)((BYTE*)pComponent->m_pszInfId
+ cbInfId);
wcscpy ((PWSTR)pComponent->m_pszPnpId, pData->pszPnpId);
}
if (dwFlags & CCI_ENSURE_EXTERNAL_DATA_LOADED)
{
// Let's ensure we can successfully read all of the external
// data that the component's INF dumped under the instance
// key. Failure here means the INF wasn't proper in some
// way required for us to consider this a valid component.
//
hr = pComponent->Ext.HrEnsureExternalDataLoaded ();
}
if ((S_OK == hr) && pOboToken)
{
// Add a reference by the obo token if we were given one.
//
hr = pComponent->Refs.HrAddReferenceByOboToken (pOboToken);
}
if (S_OK != hr)
{
delete pComponent;
pComponent = NULL;
}
}
*ppComponent = pComponent;
TraceHr (ttidError, FAL, hr, FALSE,
"CComponent::HrCreateAndInitializeInstance");
return hr;
}
CComponent::~CComponent()
{
// If we have a cached INetCfgComponent interface, we need to tell it
// that we (as the component it represents) no longer exist. Then we
// need to release the interface, of course.
//
ReleaseINetCfgComponentInterface ();
if(m_hinf)
{
SetupCloseInfFile (m_hinf);
}
}
VOID
CComponent::ReleaseINetCfgComponentInterface ()
{
Assert (this);
if (m_pIComp)
{
Assert (this == m_pIComp->m_pComponent);
m_pIComp->m_pComponent = NULL;
ReleaseObj (m_pIComp->GetUnknown());
m_pIComp = NULL;
}
}
INetCfgComponent*
CComponent::GetINetCfgComponentInterface () const
{
Assert (this);
Assert (m_pIComp);
return m_pIComp;
}
BOOL
CComponent::FCanDirectlyBindToFilter (
IN const WCHAR* const pszFilterMediaTypes,
IN const WCHAR* const pszLowerExclude) const
{
BOOL fCanBind = TRUE;
// if pszFilterMediaType is not null, then it must have a substring
// match with the adapters LowerRange.
if (pszFilterMediaTypes)
{
fCanBind = FSubstringMatch (pszFilterMediaTypes, Ext.PszLowerRange(),
NULL, NULL);
}
// if the LowerExclude is not null, it must not have a substring match with
// the upper range of the adapter.
if (fCanBind && pszLowerExclude)
{
fCanBind = !FSubstringMatch (pszLowerExclude, Ext.PszUpperRange(),
NULL, NULL);
}
return fCanBind;
}
BOOL
CComponent::FCanDirectlyBindTo (
IN const CComponent* pLower,
OUT const WCHAR** ppStart,
OUT ULONG* pcch) const
{
BOOL fCanBind;
// If this component is a filter and the lower is an adapter,
// they can bind (by definition) unless the adapter has an upper range
// that is excluded by the filter.
//
if (FIsFilter() && FIsEnumerated(pLower->Class()))
{
// See if the filter's attributes - FilterMediaTypes and LowerExclude
// allow it to bind to the adapter.
//
fCanBind = pLower->FCanDirectlyBindToFilter(Ext.PszFilterMediaTypes(),
Ext.PszLowerExclude());
// If the filter can bind to the adapter, and the caller wants
// the interface name, it will be the first interface the adapter
// supports.
//
if (fCanBind && ppStart && pcch)
{
PCWSTR pStart;
PCWSTR pEnd;
pStart = pLower->Ext.PszUpperRange();
Assert (pStart);
while (*pStart && (*pStart == L' ' || *pStart == L','))
{
pStart++;
}
pEnd = pStart;
while (*pEnd && *pEnd != L' ' && *pEnd != L',')
{
pEnd++;
}
*ppStart = pStart;
*pcch = (ULONG)(pEnd - pStart);
}
}
else
{
fCanBind = FSubstringMatch (
Ext.PszLowerRange(),
pLower->Ext.PszUpperRange(), ppStart, pcch);
}
return fCanBind;
}
BOOL
CComponent::FIsBindable () const
{
return (0 != _wcsicmp(L"nolower", Ext.PszLowerRange())) ||
(0 != _wcsicmp(L"noupper", Ext.PszUpperRange()));
}
BOOL
CComponent::FIsWanAdapter () const
{
Assert (this);
return (NC_NET == Class()) &&
FSubstringMatch (Ext.PszLowerRange(), L"wan", NULL, NULL);
}
HRESULT
CComponent::HrGetINetCfgComponentInterface (
IN CImplINetCfg* pINetCfg,
OUT INetCfgComponent** ppIComp)
{
HRESULT hr = S_OK;
Assert (this);
Assert (pINetCfg);
Assert (ppIComp);
// Caller's are responsible for ensuring that if an interface is about
// to be handed out, and the external data has been loaded, that the
// data has been loaded successfully. If we handed out an interface
// and the data was NOT loaded successfully, it just means we are doomed
// to fail later when the client of the interface calls a method that
// requires that data.
//
Assert (Ext.FLoadedOkayIfLoadedAtAll());
// If we don't yet have the cached INetCfgComponent for ourself,
// create it and hang onto a reference.
//
if (!m_pIComp)
{
hr = CImplINetCfgComponent::HrCreateInstance (
pINetCfg, this, &m_pIComp);
}
// AddRef and return a copy for the caller.
//
if (S_OK == hr)
{
AddRefObj (m_pIComp->GetUnknown());
*ppIComp = m_pIComp;
}
TraceHr (ttidError, FAL, hr, FALSE,
"CComponent::HrGetINetCfgComponentInterface");
return hr;
}
HRESULT
CComponent::HrOpenDeviceInfo (
OUT HDEVINFO* phdiOut,
OUT SP_DEVINFO_DATA* pdeidOut) const
{
HRESULT hr;
Assert (this);
Assert (phdiOut);
Assert (pdeidOut);
hr = ::HrOpenDeviceInfo (
Class(),
m_pszPnpId,
phdiOut,
pdeidOut);
TraceHr (ttidError, FAL, hr, SPAPI_E_NO_SUCH_DEVINST == hr,
"CComponent::HrOpenDeviceInfo (%S)", m_pszPnpId);
return hr;
}
HRESULT
CComponent::HrOpenInstanceKey (
IN REGSAM samDesired,
OUT HKEY* phkey,
OUT HDEVINFO* phdiOut OPTIONAL,
OUT SP_DEVINFO_DATA* pdeidOut OPTIONAL) const
{
HRESULT hr;
Assert (this);
Assert (phkey);
hr = HrOpenComponentInstanceKey (
Class(),
m_InstanceGuid,
m_pszPnpId,
samDesired,
phkey,
phdiOut,
pdeidOut);
TraceHr (ttidError, FAL, hr,
(SPAPI_E_NO_SUCH_DEVINST == hr),
"CComponent::HrOpenInstanceKey (%S)", PszGetPnpIdOrInfId());
return hr;
}
HRESULT
CComponent::HrOpenServiceKey (
IN REGSAM samDesired,
OUT HKEY* phkey) const
{
HRESULT hr;
WCHAR szServiceSubkey [_MAX_PATH];
Assert (this);
Assert (phkey);
Assert (FHasService());
*phkey = NULL;
wcscpy (szServiceSubkey, REGSTR_PATH_SERVICES);
wcscat (szServiceSubkey, L"\\");
wcscat (szServiceSubkey, Ext.PszService());
hr = HrRegOpenKeyEx (
HKEY_LOCAL_MACHINE,
szServiceSubkey,
samDesired,
phkey);
TraceHr (ttidError, FAL, hr, FALSE,
"CComponent::HrOpenServiceKey (%S)", Ext.PszService());
return hr;
}
HRESULT
CComponent::HrStartOrStopEnumeratedComponent (
IN DWORD dwFlag /* DICS_START or DICS_STOP */) const
{
HRESULT hr;
HDEVINFO hdi;
SP_DEVINFO_DATA deid;
Assert (this);
Assert (FIsEnumerated(Class()));
Assert ((DICS_START == dwFlag) || (DICS_STOP == dwFlag));
hr = HrOpenDeviceInfo (&hdi, &deid);
if (S_OK == hr)
{
if (m_dwDeipFlags)
{
TraceTag (ttidBeDiag,
"Using SP_DEVINSTALL_PARAMS.Flags = 0x%08x for %S",
m_dwDeipFlags,
m_pszPnpId);
(VOID) HrSetupDiSetDeipFlags (
hdi, &deid,
m_dwDeipFlags, SDDFT_FLAGS, SDFBO_OR);
}
// $HACK SetupDi does not honor the DI_DONOTCALLCONFIGMG flag
// so we can't call it if it is set. If we don't start the device
// we will return NETCFG_S_REBOOT.
//
hr = NETCFG_S_REBOOT;
if (!(DI_DONOTCALLCONFIGMG & m_dwDeipFlags))
{
hr = HrSetupDiSendPropertyChangeNotification (
hdi, &deid,
dwFlag,
DICS_FLAG_CONFIGSPECIFIC,
0);
}
SetupDiDestroyDeviceInfoList (hdi);
}
TraceHr (ttidError, FAL, hr, FALSE,
"CComponent::HrStartOrStopEnumeratedComponent (%S)", m_pszPnpId);
return hr;
}
//-----------------------------------------------------------------------
// A convenience method to get the handle to the components inf file.
// If the file has been opened previously, the cached handle is returned.
// Otherwise, the file is opened and the handle is returned.
HRESULT
CComponent::HrOpenInfFile(
OUT HINF* phinf) const
{
HRESULT hr = S_OK;
HKEY hkeyInstance = NULL;
WCHAR szInfPath[_MAX_PATH];
DWORD cbPath = sizeof (szInfPath);
Assert(phinf);
*phinf = NULL;
if (NULL == m_hinf)
{
hr = HrOpenInstanceKey (KEY_READ, &hkeyInstance, NULL, NULL);
if (S_OK == hr)
{
hr = HrRegQuerySzBuffer (hkeyInstance, L"InfPath", szInfPath, &cbPath);
if (S_OK == hr)
{
// open the component's inf file
hr = HrSetupOpenInfFile (szInfPath, NULL, INF_STYLE_WIN4,
NULL, &m_hinf);
}
RegSafeCloseKey (hkeyInstance);
}
}
*phinf = m_hinf;
TraceHr (ttidError, FAL, hr, FALSE,
"CComponent::HrOpenInfFile (%S)", PszGetPnpIdOrInfId());
return hr;
}
NETCLASS
NetClassEnumFromGuid (
const GUID& guidClass)
{
NETCLASS Class;
if (GUID_DEVCLASS_NET == guidClass)
{
Class = NC_NET;
}
else if (GUID_DEVCLASS_INFRARED == guidClass)
{
Class = NC_INFRARED;
}
else if (GUID_DEVCLASS_NETTRANS == guidClass)
{
Class = NC_NETTRANS;
}
else if (GUID_DEVCLASS_NETCLIENT == guidClass)
{
Class = NC_NETCLIENT;
}
else if (GUID_DEVCLASS_NETSERVICE == guidClass)
{
Class = NC_NETSERVICE;
}
else
{
Class = NC_INVALID;
}
return Class;
}