windows-nt/Source/XPSP1/NT/net/config/netcfg/engine/install.cpp

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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1999.
//
// File: I N S T A L L . C P P
//
// Contents: Implements actions related to installing components.
//
// Notes:
//
// Author: shaunco 15 Jan 1999
//
//----------------------------------------------------------------------------
#include <pch.h>
#pragma hdrstop
#include "classinst.h"
#include "lockdown.h"
#include "netcfg.h"
#include "obotoken.h"
#include "util.h"
#if DBG
VOID
DbgVerifyComponentInstallParams (
IN const COMPONENT_INSTALL_PARAMS& Params)
{
if (!Params.pComponent)
{
Assert (FIsValidNetClass (Params.Class));
Assert (Params.pszInfId && *Params.pszInfId);
Assert (FOboTokenValidForClass (Params.pOboToken, Params.Class));
}
}
#else
#define DbgVerifyComponentInstallParams NOP_FUNCTION
#endif
VOID
CModifyContext::InstallAndAddAndNotifyComponent(
IN const COMPONENT_INSTALL_PARAMS& Params,
OUT CComponent** ppComponent)
{
CNetConfig* pNetConfig;
CComponent* pComponent;
UINT cPreviousAddedBindPaths;
Assert (this);
Assert (S_OK == m_hr);
DbgVerifyComponentInstallParams (Params);
Assert (ppComponent);
pNetConfig = PNetConfig();
// Call the class installer to do the grunt work of finding the
// INF, processing it, creating the instance key, etc. If this
// all succeeds, we are returned an allocated CComponent.
//
//$REVIEW: Think about having HrCiInstallComponent return the
// list of required components. This will keep us from having to
// reopen the instance key and ndi key.
//
if (!Params.pComponent)
{
// error test only
//if (0 == _wcsicmp(L"ms_nwipx", Params.pszInfId))
//{
// TraceTag (ttidBeDiag, "Simulating failure for: %S", Params.pszInfId);
// m_hr = E_FAIL;
// return;
//}
m_hr = HrCiInstallComponent (Params, &pComponent, NULL);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
}
else
{
pComponent = Params.pComponent;
}
Assert (pComponent);
// Install all of the components required by this component.
//
// THIS MAY CAUSE RECURSION
//
InstallOrRemoveRequiredComponents (pComponent, IOR_INSTALL);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
// If this is an enumerated component, and it has the same PnpId as
// a component already in our core, we will remove the existing component.
// This can happen if an adapter is removed and reinstalled and the
// binding engine could not be notified of both because the write
// lock was held at the time of remove.
//
if (FIsEnumerated(pComponent->Class()))
{
CComponent* pDup;
while (NULL != (pDup = pNetConfig->Core.Components.PFindComponentByPnpId (
pComponent->m_pszPnpId)))
{
TraceTag (ttidBeDiag, "Removing duplicate PnpId: %S",
pComponent->m_pszPnpId);
pDup->Refs.RemoveAllReferences();
(VOID) HrRemoveComponentIfNotReferenced (pDup, NULL, NULL);
}
}
// We only insert the component and its stack table entries into our
// list after all of its required components have been installed.
// This is just the concept of "don't consider a component installed
// until all of its requirements are also installed".
// i.e. Atomicity of component installation.
//
m_hr = pNetConfig->Core.HrAddComponentToCore (pComponent, INS_SORTED);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
// Notify the component's notify object it is being installed.
// This also sends global notifications to other notify objects
// who may be interested.
//
// THIS MAY CAUSE RECURSION
//
m_hr = pNetConfig->Notify.ComponentAdded (pComponent, Params.pnip);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
// Note the number of bindpaths currently in m_AddedBindPaths.
// We need this so that when we add to the set, we only notify
// for the ones we add.
//
cPreviousAddedBindPaths = m_AddedBindPaths.CountBindPaths ();
// Get the bindpaths that involve the component we are adding.
// Add these to the added bindpaths we are keeping track of.
//
m_hr = pNetConfig->Core.HrGetBindingsInvolvingComponent (
pComponent,
GBF_ADD_TO_BINDSET | GBF_ONLY_WHICH_CONTAIN_COMPONENT,
&m_AddedBindPaths);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
// Query and notify for these added bindpaths.
//
// THIS MAY CAUSE RECURSION
//
if (m_AddedBindPaths.CountBindPaths() > cPreviousAddedBindPaths)
{
m_hr = pNetConfig->Notify.QueryAndNotifyForAddedBindPaths (
&m_AddedBindPaths,
cPreviousAddedBindPaths);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
}
// Install any components as a convenience to the user
// depending on the component we just installed component.
//
// THIS MAY CAUSE RECURSION
//
InstallConvenienceComponentsForUser (pComponent);
if (S_OK != m_hr)
{
Assert(FAILED(m_hr));
return;
}
// Assign the output pointer.
//
Assert (S_OK == m_hr);
Assert (pComponent);
*ppComponent = pComponent;
}
//+---------------------------------------------------------------------------
// Install components on behalf of the user
//
// Assumptions:
//
VOID
CModifyContext::InstallConvenienceComponentsForUser (
IN const CComponent* pComponent)
{
COMPONENT_INSTALL_PARAMS Params;
OBO_TOKEN UserOboToken;
CComponent* pNewComponent;
Assert (this);
Assert (S_OK == m_hr);
Assert (pComponent);
ZeroMemory (&UserOboToken, sizeof(UserOboToken));
UserOboToken.Type = OBO_USER;
// If the component is an ATM adapter, make sure ATMUNI and ATMLANE are
// installed.
//
if (FSubstringMatch (L"ndisatm", pComponent->Ext.PszUpperRange(),
NULL, NULL))
{
ZeroMemory (&Params, sizeof(Params));
Params.pOboToken = &UserOboToken;
Params.Class = NC_NETTRANS;
Params.pszInfId = L"ms_atmuni";
HrInstallNewOrReferenceExistingComponent (Params, &pNewComponent);
Params.pszInfId = L"ms_atmlane";
HrInstallNewOrReferenceExistingComponent (Params, &pNewComponent);
}
}
HRESULT
CModifyContext::HrInstallNewOrReferenceExistingComponent (
IN const COMPONENT_INSTALL_PARAMS& Params,
OUT CComponent** ppComponent)
{
HRESULT hr;
BOOL fInstallNew;
CNetConfig* pNetConfig;
CComponent* pComponent;
Assert (this);
Assert (S_OK == m_hr);
DbgVerifyComponentInstallParams (Params);
Assert (ppComponent);
// Initialize the output parameter.
//
*ppComponent = NULL;
// Assume, for now, that we will be installing a new component.
//
hr = S_OK;
fInstallNew = TRUE;
pNetConfig = PNetConfig();
pComponent = NULL;
// If the user wishes to add a reference if the component is already
// installed...
//
if (Params.pOboToken)
{
// ...then look to see if the component is installed...
//
pComponent = pNetConfig->Core.Components.
PFindComponentByInfId (Params.pszInfId, NULL);
// ...if it is, we won't be installing a new one.
//
if (pComponent)
{
fInstallNew = FALSE;
if (pComponent->m_dwCharacter & NCF_SINGLE_INSTANCE)
{
*ppComponent = NULL;
return HRESULT_FROM_SETUPAPI(ERROR_DEVINST_ALREADY_EXISTS);
}
// If the existing component is already referenced by
// the specified obo token, we can return.
//
if (pComponent->Refs.FIsReferencedByOboToken (Params.pOboToken))
{
*ppComponent = pComponent;
return S_OK;
}
}
// ...otherwise, (it is not in the current core) but if it IS
// in the core we started with, it means someone had previously
// removed it during this modify context and now wants to add it
// back. This is tricky and should probably be implemented later.
// For now, return an error and throw up an assert so we can see
// who needs to do this.
//
else if (m_CoreStartedWith.Components.
PFindComponentByInfId (Params.pszInfId, NULL))
{
AssertSz (FALSE, "Whoa. Someone is trying to install a "
"component that was previously removed during this same "
"modify context. We need to decide if we can support this.");
return E_UNEXPECTED;
}
}
// If we've decided to install a new component, (which can happen
// if an obo token was not specified OR if an obo token was specified
// but the component was not already present) then do the work.
//
if (fInstallNew)
{
// If the component to be installed is locked down, bail out.
// Note we don't put the modify context into error if this situation
// occurs.
// Note too that we only do this if Params.pComponent is not present
// which would indicate the class installer calling us to install an
// enumerated component.
//
if (!Params.pComponent)
{
if (FIsComponentLockedDown (Params.pszInfId))
{
TraceTag (ttidBeDiag, "%S is locked down and cannot be installed "
"until the next reboot.",
Params.pszInfId);
return NETCFG_E_NEED_REBOOT;
}
}
// Make sure the modify context is setup and keep track of our
// recursion depth.
//
PushRecursionDepth ();
Assert (S_OK == m_hr);
InstallAndAddAndNotifyComponent (Params, ppComponent);
hr = HrPopRecursionDepth ();
// If the component to be installed was not found, the return code
// will be SPAPI_E_NO_DRIVER_SELECTED. We want to return this to the
// caller, but we don't need the context to remain with this error.
// This will allow subsequent calls to install other componetns to
// proceed.
//
if (SPAPI_E_NO_DRIVER_SELECTED == m_hr)
{
m_hr = S_OK;
Assert (SPAPI_E_NO_DRIVER_SELECTED == hr);
}
}
else
{
// Referencing pComponent on behalf of the obo token.
//
Assert (pComponent);
Assert (Params.pOboToken);
// Make sure the modify context is setup and keep track of our
// recursion depth.
//
PushRecursionDepth ();
Assert (S_OK == m_hr);
m_hr = pComponent->Refs.HrAddReferenceByOboToken (Params.pOboToken);
if (S_OK == m_hr)
{
*ppComponent = pComponent;
}
hr = HrPopRecursionDepth ();
}
// If we are returning success, we'd better have our ouput parameter set.
//
Assert (FImplies(SUCCEEDED(hr), *ppComponent));
return hr;
}