Leaked source code of windows server 2003
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676 lines
23 KiB

#include <pch.h>
#pragma hdrstop
#include "persist.h"
#include "ncreg.h"
#include "ncsetup.h"
#include "util.h"
HRESULT HrAddOrRemoveWinsockDependancy(
IN HINF hinfInstallFile,
IN PCWSTR pszSectionName);
HRESULT
HrLoadAndAddComponentFromInstanceKey (
IN HKEY hkey,
IN const GUID* pInstanceGuid,
IN NETCLASS Class,
IN PCWSTR pszPnpId OPTIONAL,
IN OUT CNetConfig* pNetConfig)
{
HRESULT hr;
BASIC_COMPONENT_DATA Data;
CComponent* pComponent;
WCHAR szInfId [_MAX_PATH];
WCHAR szMiniportId [_MAX_PATH];
ULONG cbInfId;
Assert (hkey);
Assert (pInstanceGuid);
Assert (FIsValidNetClass (Class));
Assert (FImplies(pszPnpId, *pszPnpId));
Assert (pNetConfig);
ZeroMemory (&Data, sizeof(Data));
hr = HrRegQueryDword (hkey, L"Characteristics", &Data.dwCharacter);
if (S_OK == hr)
{
// If the component is a filter, copy Ndi\MiniportId to
// Ndi\FilterDeviceInfId.
//
if (Data.dwCharacter & NCF_FILTER)
{
HKEY hkeyNdi;
hr = HrRegOpenKeyEx (
hkey,
L"Ndi",
KEY_READ | KEY_WRITE,
&hkeyNdi);
if (S_OK == hr)
{
HKEY hkeyInterfaces;
DWORD cbMiniportId = sizeof(szMiniportId);
hr = HrRegQuerySzBuffer (
hkeyNdi,
L"MiniportId",
szMiniportId,
&cbMiniportId);
if (S_OK == hr)
{
(VOID) HrRegSetSz (
hkeyNdi,
L"FilterDeviceInfId",
szMiniportId);
}
if (FInSystemSetup())
{
// Need to update LowerExclude for filters (the only one
// being PSched) so we prevent PSched from binding to
// every adapter on the machine. This only needs to
// happen during GUI setup and when we detect no Config
// binary because this happens way before INFs get re-run.)
//
hr = HrRegOpenKeyEx (
hkeyNdi,
L"Interfaces",
KEY_WRITE,
&hkeyInterfaces);
if (S_OK == hr)
{
(VOID) HrRegSetSz (
hkeyInterfaces,
L"LowerExclude",
L"ndiscowan, ndiswan, ndiswanasync, "
L"ndiswanipx, ndiswannbf");
RegCloseKey (hkeyInterfaces);
}
}
RegCloseKey (hkeyNdi);
hr = S_OK;
}
}
cbInfId = sizeof(szInfId);
hr = HrRegQuerySzBuffer (hkey, L"ComponentId", szInfId, &cbInfId);
if (S_OK == hr)
{
// Wanarp needs its refcounts key deleted in case we are
// loaded before netupgrd.inf is run.
//
if (0 == _wcsicmp(L"ms_wanarp", szInfId))
{
(VOID)HrRegDeleteKey (hkey, L"RefCounts");
}
Data.InstanceGuid = *pInstanceGuid;
Data.Class = Class;
Data.pszInfId = szInfId;
Data.pszPnpId = pszPnpId;
// It is important to make sure we can load the external data
// for two reasons:
// 1) If we have a failure reading critical data that we
// need in order to function, we want to know about it
// now, before we add it to the component list.
// 2) For filter devices which will be subsequently upgraded,
// we need to search for specific components by BindForm
// and BindName which are external data loaded by the
// following call.
//
hr = CComponent::HrCreateInstance (
&Data,
CCI_ENSURE_EXTERNAL_DATA_LOADED,
NULL,
&pComponent);
if (S_OK == hr)
{
// Add the component and the stack entries, but don't
// send any notifications to notify objects.
//
hr = pNetConfig->Core.HrAddComponentToCore (
pComponent, INS_SORTED);
}
}
}
TraceHr (ttidError, FAL, hr, FALSE, "HrLoadAndAddComponentFromInstanceKey");
return hr;
}
BOOL
FUpgradeFilterDeviceInstanceKey (
IN CNetConfig* pNetConfig,
IN HKEY hkeyInstance,
IN PCWSTR pszFilterName)
{
CComponent* pFilter;
// The new binding engine uses FilterInfId located in under the instance
// key instead of FilterName under Ndi.
//
pFilter = pNetConfig->Core.Components.PFindComponentByBindForm (
NC_NETSERVICE, pszFilterName);
if (pFilter)
{
(VOID) HrRegSetSz (hkeyInstance, L"FilterInfId", pFilter->m_pszInfId);
return TRUE;
}
return FALSE;
}
HRESULT
HrLoadComponentReferencesFromLegacy (
IN OUT CNetConfig* pNetConfig)
{
HRESULT hr = S_OK;
CComponentList::iterator iter;
CComponent* pComponent;
HKEY hkeyInstance;
Assert (pNetConfig);
for (iter = pNetConfig->Core.Components.begin();
iter != pNetConfig->Core.Components.end();
iter++)
{
pComponent = *iter;
Assert (pComponent);
hr = pComponent->HrOpenInstanceKey (KEY_READ,
&hkeyInstance, NULL, NULL);
if (S_OK == hr)
{
HKEY hkeyRefCounts;
hr = HrRegOpenKeyEx (hkeyInstance, L"RefCounts",
KEY_READ, &hkeyRefCounts);
if (S_OK == hr)
{
DWORD dwIndex;
WCHAR szValueName [_MAX_PATH];
DWORD cchValueName;
DWORD dwType;
DWORD dwRefCount;
DWORD cbData;
CComponent* pRefdByComponent;
GUID InstanceGuid;
for (dwIndex = 0; S_OK == hr; dwIndex++)
{
cchValueName = celems(szValueName);
cbData = sizeof(dwRefCount);
hr = HrRegEnumValue (hkeyRefCounts, dwIndex,
szValueName, &cchValueName, &dwType,
(LPBYTE)&dwRefCount, &cbData);
if (S_OK == hr)
{
if (0 == _wcsicmp (L"User", szValueName))
{
hr = pComponent->Refs.HrAddReferenceByUser ();
}
else if ((L'{' == *szValueName) &&
(S_OK == IIDFromString (szValueName, &InstanceGuid)) &&
(NULL != (pRefdByComponent = pNetConfig->Core.Components.PFindComponentByInstanceGuid(&InstanceGuid))))
{
hr = pComponent->Refs.HrAddReferenceByComponent (
pRefdByComponent);
}
else if (NULL != (pRefdByComponent = pNetConfig->
Core.Components.PFindComponentByInfId (
szValueName, NULL)))
{
hr = pComponent->Refs.HrAddReferenceByComponent (
pRefdByComponent);
}
else
{
hr = pComponent->Refs.HrAddReferenceBySoftware (
szValueName);
}
}
}
if (HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS) == hr)
{
hr = S_OK;
}
RegCloseKey (hkeyRefCounts);
}
RegCloseKey (hkeyInstance);
}
}
// If the instance key or the refcounts key don't exist, there is not
// much we can do about it. Don't fail for these reasons.
//
if (HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) == hr)
{
hr = S_OK;
}
TraceHr (ttidError, FAL, hr, FALSE, "HrLoadComponentReferencesFromLegacy");
return hr;
}
VOID
UpgradeConnection (
IN const GUID& InstanceGuid,
IN PCWSTR pszPnpId)
{
HRESULT hr;
WCHAR szPath[_MAX_PATH];
HKEY hkeyConn;
Assert (pszPnpId && *pszPnpId);
// Connections uses a pnp id value as their back pointer to the pnp
// tree.
//
CreateInstanceKeyPath (NC_NET, InstanceGuid, szPath);
wcscat (szPath, L"\\Connection");
hr = HrRegOpenKeyEx (HKEY_LOCAL_MACHINE, szPath, KEY_READ_WRITE,
&hkeyConn);
if (S_OK == hr)
{
HrRegSetSz (hkeyConn, L"PnpInstanceId", pszPnpId);
}
RegCloseKey(hkeyConn);
}
HRESULT
HrLoadNetworkConfigurationFromLegacy (
OUT CNetConfig* pNetConfig)
{
HRESULT hr;
NETCLASS Class;
PCWSTR pszSubtree;
HKEY hkeySubtree;
DWORD dwIndex;
HKEY hkeyInstance;
GUID InstanceGuid;
UINT PassNumber;
// Get the value for whether WAN adapters comes first or last in
// adapter order. We need to give this to the stack table so it will
// know which way to order things.
//
Assert (FALSE == pNetConfig->Core.StackTable.m_fWanAdaptersFirst);
hr = HrOpenNetworkKey (
KEY_READ,
&hkeySubtree);
if (S_OK == hr)
{
DWORD dwValue;
hr = HrRegQueryDword (hkeySubtree, L"WanAdaptersFirst", &dwValue);
if (S_OK == hr)
{
pNetConfig->Core.StackTable.m_fWanAdaptersFirst = !!dwValue;
}
RegCloseKey (hkeySubtree);
}
// We need two passes to correctly upgrade everything. Since filter
// devices reference an adapter, we need to have already read the
// information for all adapters before we can read information about
// a filter device and create a memory representation for it which
// references the memory representation of the adapter which it filters.
//
// The following structure should make this more clear. For each
// element in this array, we enumerate components in the specified
// class. Note that NC_NET is reference twice -- once for pass one
// and once for pass two. The code below uses the pass number to
// know whether it should be ignoring filter devices (in pass one)
// or ignoring adapters (in pass two, because they were already handled
// in pass one.) If it isn't clear by now, don't touch this code. ;-)
//
static const struct
{
NETCLASS Class;
UINT PassNumber;
} aPassInfo [] =
{
{ NC_NET, 1 },
{ NC_INFRARED, 1 },
{ NC_NETTRANS, 1 },
{ NC_NETCLIENT, 1 },
{ NC_NETSERVICE, 1 },
{ NC_NET, 2 },
};
for (UINT i = 0; i < celems(aPassInfo); i++)
{
Class = aPassInfo[i].Class;
PassNumber = aPassInfo[i].PassNumber;
Assert (FIsValidNetClass(Class));
pszSubtree = MAP_NETCLASS_TO_NETWORK_SUBTREE[Class];
if (!FIsEnumerated (Class))
{
hr = HrRegOpenKeyEx (HKEY_LOCAL_MACHINE, pszSubtree,
KEY_READ, &hkeySubtree);
if (S_OK == hr)
{
DWORD cchGuid;
WCHAR szInstanceGuid [c_cchGuidWithTerm];
FILETIME ftLastWrite;
for (dwIndex = 0; S_OK == hr; dwIndex++)
{
cchGuid = celems(szInstanceGuid);
hr = HrRegEnumKeyEx (
hkeySubtree, dwIndex, szInstanceGuid, &cchGuid,
NULL, NULL, &ftLastWrite);
if ((S_OK == hr) && ((c_cchGuidWithTerm-1) == cchGuid))
{
hr = IIDFromString (szInstanceGuid, &InstanceGuid);
if (S_OK == hr)
{
hr = HrRegOpenKeyEx (
hkeySubtree,
szInstanceGuid,
KEY_READ,
&hkeyInstance);
if (S_OK == hr)
{
hr = HrLoadAndAddComponentFromInstanceKey (
hkeyInstance,
&InstanceGuid,
Class,
NULL,
pNetConfig);
RegCloseKey (hkeyInstance);
}
}
else
{
// Delete the key?
}
// Ignore any errors during the loop
hr = S_OK;
}
}
if (HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS) == hr)
{
hr = S_OK;
}
RegCloseKey (hkeySubtree);
}
}
else
{
HDEVINFO hdi;
hr = HrSetupDiGetClassDevs (MAP_NETCLASS_TO_GUID[Class],
NULL, NULL, DIGCF_PROFILE, &hdi);
if (S_OK == hr)
{
SP_DEVINFO_DATA deid;
WCHAR szPnpId [2 * _MAX_PATH];
WCHAR szFilterName [_MAX_PATH];
BOOL fr;
for (dwIndex = 0; S_OK == hr; dwIndex++)
{
hr = HrSetupDiEnumDeviceInfo (hdi, dwIndex, &deid);
if (S_OK == hr)
{
fr = SetupDiGetDeviceInstanceId (
hdi, &deid,
szPnpId, celems(szPnpId), NULL);
if (fr)
{
// We open with KEY_WRITE because we will be
// adding a new value to filter devices we
// upgrade.
//
hr = HrSetupDiOpenDevRegKey (
hdi, &deid,
DICS_FLAG_GLOBAL, 0, DIREG_DRV,
KEY_WRITE | KEY_READ, &hkeyInstance);
if (S_OK == hr)
{
LONG lr;
ULONG cbGuid = sizeof(GUID);
lr = RegQueryGuid (
hkeyInstance,
L"NetCfgInstanceId",
&InstanceGuid,
&cbGuid);
if (!lr)
{
BOOL fIsFilterDevice;
HKEY hkeyNdi;
fIsFilterDevice = FALSE;
hr = HrRegOpenKeyEx (
hkeyInstance,
L"Ndi",
KEY_READ,
&hkeyNdi);
if (S_OK == hr)
{
DWORD cbFilterName = sizeof(szFilterName);
hr = HrRegQuerySzBuffer (
hkeyNdi,
L"FilterName",
szFilterName,
&cbFilterName);
if (S_OK == hr)
{
fIsFilterDevice = TRUE;
}
RegCloseKey (hkeyNdi);
}
// If it's a filter device, ignore it in
// pass one and handle it in pass two.
//
if (fIsFilterDevice && (2 == PassNumber))
{
FUpgradeFilterDeviceInstanceKey (
pNetConfig,
hkeyInstance,
szFilterName);
}
// If it's not a filter device, handle it
// in pass one and ignore it in pass two.
//
else if (!fIsFilterDevice && (1 == PassNumber))
{
UpgradeConnection (InstanceGuid,
szPnpId);
hr = HrLoadAndAddComponentFromInstanceKey (
hkeyInstance,
&InstanceGuid,
Class,
szPnpId,
pNetConfig);
}
}
RegCloseKey (hkeyInstance);
}
}
// Ignore any errors during the loop
hr = S_OK;
}
}
if (HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS) == hr)
{
hr = S_OK;
}
SetupDiDestroyDeviceInfoList (hdi);
}
}
}
if (S_OK == hr)
{
hr = HrLoadComponentReferencesFromLegacy (pNetConfig);
}
if (S_OK == hr)
{
CComponentList::iterator iter;
CComponent* pComponent;
CBindPath BindPath;
CBindingSet BindSet;
HKEY hkeyParent;
HKEY hkeyDisabled;
// Upgrade disabled bindings.
//
for (iter = pNetConfig->Core.Components.begin();
iter != pNetConfig->Core.Components.end();
iter++)
{
pComponent = *iter;
Assert (pComponent);
// Open the parent of the linkage key depending on what type
// of component this is.
//
if (FIsEnumerated (pComponent->Class()) || !pComponent->FHasService())
{
hr = pComponent->HrOpenInstanceKey (KEY_READ, &hkeyParent,
NULL, NULL);
}
else
{
hr = pComponent->HrOpenServiceKey (KEY_READ, &hkeyParent);
}
// Open the Linkage\Disabled key.
//
if (S_OK == hr)
{
hr = HrRegOpenKeyEx (hkeyParent, L"Linkage\\Disabled",
KEY_READ,
&hkeyDisabled);
if (S_OK == hr)
{
PWSTR pmszBindPath;
hr = HrRegQueryMultiSzWithAlloc (
hkeyDisabled,
L"BindPath",
&pmszBindPath);
if (S_OK == hr)
{
PWSTR pszBindPath;
PCWSTR pszBindName;
PWSTR pszNext;
CComponent* pOther;
// Get the components current bindings as they
// exist in the new engine. We won't disable
// any bindings that don't exist in this set.
//
(VOID) pNetConfig->Core.HrGetComponentBindings (
pComponent,
GBF_DEFAULT,
&BindSet);
// Iterate the multi-sz of disabled bindpaths.
//
for (pszBindPath = pmszBindPath;
*pszBindPath;
pszBindPath += wcslen(pszBindPath) + 1)
{
// The bindpath will start with this component
// that has the disabled bindings.
//
BindPath.Clear();
BindPath.HrAppendComponent (pComponent);
for (pszBindName = GetNextStringToken (pszBindPath, L"_", &pszNext);
pszBindName && *pszBindName;
pszBindName = GetNextStringToken (NULL, L"_", &pszNext))
{
pOther = pNetConfig->Core.Components.
PFindComponentByBindName (
NC_INVALID, pszBindName);
if (!pOther)
{
break;
}
BindPath.HrAppendComponent (pOther);
}
// If the bindpath is valid, disable it.
//
if (BindSet.FContainsBindPath (&BindPath))
{
pNetConfig->Core.HrDisableBindPath (&BindPath);
}
}
MemFree (pmszBindPath);
}
RegCloseKey (hkeyDisabled);
}
RegCloseKey (hkeyParent);
}
}
// If we can't upgrade disabled bindings, no biggee.
//
hr = S_OK;
}
TraceHr (ttidError, FAL, hr, FALSE, "HrLoadNetworkConfigurationFromLegacy");
return hr;
}