466 lines
14 KiB
C++
466 lines
14 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995.
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//
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// File:
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// objexif.cxx
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//
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// Contents:
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// Entry point for remote activation call to SCM/OR.
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//
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// Functions:
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// RemoteActivation
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//
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// History:
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//
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//--------------------------------------------------------------------------
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#include "act.hxx"
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//+---------------------------------------------------------------------------
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//
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// Function: _RemoteActivation
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//
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// Synopsis: Entry point for old style activations from off machine.
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// Creates new stype activation properties and forwards to
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// ActivateFromPropertiesPreamble.
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//
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//----------------------------------------------------------------------------
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error_status_t _RemoteActivation(
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handle_t hRpc,
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ORPCTHIS *ORPCthis,
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ORPCTHAT *ORPCthat,
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GUID *Clsid,
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WCHAR *pwszObjectName,
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MInterfacePointer *pObjectStorage,
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DWORD ClientImpLevel,
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DWORD Mode,
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DWORD Interfaces,
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IID *pIIDs,
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unsigned short cRequestedProtseqs,
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unsigned short aRequestedProtseqs[],
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OXID *pOxid,
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DUALSTRINGARRAY **ppdsaOxidBindings,
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IPID *pipidRemUnknown,
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DWORD *pAuthnHint,
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COMVERSION *pServerVersion,
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HRESULT *phr,
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MInterfacePointer **ppInterfaceData,
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HRESULT *pResults )
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{
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RPC_STATUS sc;
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ACTIVATION_PARAMS ActParams;
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LOCALTHIS Localthis;
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WCHAR * pwszDummy;
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error_status_t rpcerror= RPC_S_OK;
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IID *newIIDs = 0;
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DWORD count;
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DWORD i;
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IComClassInfo* pClassInfo = NULL;
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IInitActivationPropertiesIn* pInitActPropsIn = NULL;
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// check for valid parameters
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if (ORPCthis == NULL ||
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ORPCthat == NULL ||
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Clsid == NULL ||
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pOxid == NULL ||
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ppdsaOxidBindings == NULL ||
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pipidRemUnknown == NULL ||
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pAuthnHint == NULL ||
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pServerVersion == NULL ||
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phr == NULL ||
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ppInterfaceData == NULL ||
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pResults == NULL)
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{
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return E_INVALIDARG;
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}
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*ppInterfaceData = NULL;
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*pOxid = 0;
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*ppdsaOxidBindings = NULL;
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memset(&ActParams, 0, sizeof(ActParams));
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/** Old Functionality **/
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Localthis.dwClientThread = 0;
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Localthis.dwFlags = LOCALF_NONE;
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ORPCthis->flags |= ORPCF_DYNAMIC_CLOAKING;
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ORPCthat->flags = 0;
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ORPCthat->extensions = NULL;
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// Determine what version to use for the returned interface. Fail
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// if the client wants a version we don't support.
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*pServerVersion = ORPCthis->version;
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*phr = NegotiateDCOMVersion( pServerVersion );
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if (*phr != OR_OK)
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{
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pServerVersion->MajorVersion = COM_MAJOR_VERSION;
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pServerVersion->MinorVersion = COM_MINOR_VERSION;
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return RPC_S_OK;
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}
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if ( ! s_fEnableDCOM )
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{
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*phr = E_ACCESSDENIED;
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return RPC_S_OK;
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}
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RegisterAuthInfoIfNecessary();
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/** Set up Actparams **/
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ActParams.hRpc = hRpc;
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ActParams.ORPCthis = ORPCthis;
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ActParams.Localthis = &Localthis;
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ActParams.ORPCthat = ORPCthat;
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ActParams.oldActivationCall = TRUE;
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ActParams.RemoteActivation = TRUE;
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if ( pwszObjectName || pObjectStorage )
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ActParams.MsgType = GETPERSISTENTINSTANCE;
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else
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ActParams.MsgType = (Mode == MODE_GET_CLASS_OBJECT) ?
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GETCLASSOBJECT : CREATEINSTANCE;
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/** Set up Activation Properties **/
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ActivationPropertiesIn * pInActivationProperties=NULL;
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ActivationPropertiesOut * pOutActivationProperties=NULL;
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InstantiationInfo * pInstantiationInfo=NULL;
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IScmRequestInfo * pInScmRequestInfo=NULL;
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IInstanceInfo *pInstanceInfo=NULL;
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ISpecialSystemProperties* pISpecialSystemProps = NULL;
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REMOTE_REQUEST_SCM_INFO *pReqInfo;
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IScmReplyInfo * pScmReplyInfo = NULL;
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REMOTE_REPLY_SCM_INFO *pReply;
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pInActivationProperties = new ActivationPropertiesIn;
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if (NULL == pInActivationProperties)
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{
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*phr = E_OUTOFMEMORY;
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return RPC_S_OK;
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}
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HRESULT hr;
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// Incoming session id from down-level clients is implicitly INVALID_SESSION_ID; make it so
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*phr = pInActivationProperties->QueryInterface(IID_ISpecialSystemProperties, (void**)&pISpecialSystemProps);
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if (FAILED(*phr))
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goto exit_oldremote;
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hr = pISpecialSystemProps->SetSessionId(INVALID_SESSION_ID, FALSE, FALSE);
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Win4Assert(hr == S_OK);
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// pISpecialSystemProps will be released just before returning
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pInstantiationInfo = pInActivationProperties->GetInstantiationInfo();
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Win4Assert(pInstantiationInfo != NULL);
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*phr = pInActivationProperties->QueryInterface(IID_IScmRequestInfo,
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(LPVOID*)&pInScmRequestInfo);
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if (FAILED(*phr))
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goto exit_oldremote;
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hr = pInstantiationInfo->SetClsid(*Clsid);
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Win4Assert(hr == S_OK);
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hr = pInstantiationInfo->SetClsctx(CLSCTX_LOCAL_SERVER);
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Win4Assert(hr == S_OK);
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hr = pInstantiationInfo->SetClientCOMVersion(ORPCthis->version);
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Win4Assert(hr == S_OK);
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*phr = pInActivationProperties->AddRequestedIIDs(Interfaces,pIIDs);
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if ( FAILED(*phr) )
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goto exit_oldremote;
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if (ActParams.MsgType == GETPERSISTENTINSTANCE)
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{
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*phr = pInActivationProperties->QueryInterface(IID_IInstanceInfo,
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(LPVOID*)&pInstanceInfo);
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if (FAILED(*phr))
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goto exit_oldremote;
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if ( pwszObjectName )
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{
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WCHAR *oldName = pwszObjectName;
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*phr = GetServerPath( pwszObjectName, &pwszObjectName);
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if ( FAILED(*phr) )
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goto exit_oldremote;
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*phr = pInstanceInfo->SetFile(pwszObjectName, Mode);
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if ( FAILED(*phr) )
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goto exit_oldremote;
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pInstanceInfo->GetFile(&ActParams.pwszPath, &ActParams.Mode);
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if (pwszObjectName != oldName)
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PrivMemFree(pwszObjectName);
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}
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else
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{
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ActParams.pwszPath = 0;
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}
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if (pObjectStorage)
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{
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MInterfacePointer* newStorage;
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newStorage = (MInterfacePointer*)
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AllocateAndCopy((InterfaceData*)pObjectStorage);
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if (newStorage)
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{
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*phr = pInstanceInfo->SetStorageIFD(newStorage);
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ActParams.pIFDStorage = pObjectStorage;
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}
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else
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*phr = E_OUTOFMEMORY;
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}
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if ( FAILED(*phr) )
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goto exit_oldremote;
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}
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pReqInfo = (REMOTE_REQUEST_SCM_INFO *)MIDL_user_allocate(sizeof(REMOTE_REQUEST_SCM_INFO));
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if (pReqInfo)
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{
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memset(pReqInfo, 0, sizeof(REMOTE_REQUEST_SCM_INFO));
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pReqInfo->ClientImpLevel = ClientImpLevel;
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if (pReqInfo->cRequestedProtseqs = cRequestedProtseqs)
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{
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pReqInfo->pRequestedProtseqs = (unsigned short*)
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MIDL_user_allocate(sizeof(unsigned short) *
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cRequestedProtseqs);
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if (pReqInfo->pRequestedProtseqs == NULL)
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{
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*phr = E_OUTOFMEMORY;
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MIDL_user_free(pReqInfo);
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}
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}
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}
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else
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*phr = E_OUTOFMEMORY;
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if ( FAILED(*phr) )
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goto exit_oldremote;
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for (i=0; i<cRequestedProtseqs; i++)
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pReqInfo->pRequestedProtseqs[i] = aRequestedProtseqs[i];
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pInScmRequestInfo->SetRemoteRequestInfo(pReqInfo);
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//Set up for marshalling
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pInActivationProperties->SetDestCtx(MSHCTX_DIFFERENTMACHINE);
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//
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// Get/set class info for the requested class; ActivateFromPropertiesPreamble
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// expects that actpropsin will already have had this done.
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//
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*phr = GetClassInfoFromClsid(*Clsid, &pClassInfo);
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if (FAILED(*phr))
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goto exit_oldremote;
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*phr = pInActivationProperties->QueryInterface(IID_IInitActivationPropertiesIn, (void**)&pInitActPropsIn);
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if (FAILED(*phr))
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goto exit_oldremote;
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*phr = pInitActPropsIn->SetClassInfo(pClassInfo);
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if (FAILED(*phr))
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goto exit_oldremote;
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//Mark properties object as having been delegated from by
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//client which is implicitly true even though it's created here
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//for first time
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pInActivationProperties->SetDelegated();
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//Delegate through activation properties
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IActivationPropertiesOut *pActPropsOut;
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*phr = ActivateFromPropertiesPreamble(pInActivationProperties,
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&pActPropsOut,
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&ActParams);
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pOutActivationProperties = ActParams.pActPropsOut;
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if ((*phr != S_OK) || (pOutActivationProperties == NULL))
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goto exit_oldremote;
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*phr = pOutActivationProperties->QueryInterface(IID_IScmReplyInfo,
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(LPVOID*)&pScmReplyInfo);
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if ( FAILED(*phr) )
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goto exit_oldremote;
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pScmReplyInfo->GetRemoteReplyInfo(&pReply);
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*pOxid = pReply->Oxid;
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*ppdsaOxidBindings = pReply->pdsaOxidBindings;
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pReply->pdsaOxidBindings = NULL; // so it won't be freed twice
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*pipidRemUnknown = pReply->ipidRemUnknown;
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*pAuthnHint = pReply->authnHint;
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// For custom marshalled interfaces the reply is not set. Don't
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// clear the version number in that case.
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if (pReply->serverVersion.MajorVersion != 0)
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*pServerVersion = pReply->serverVersion;
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*phr = pOutActivationProperties->GetMarshalledResults(&count,
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&newIIDs,
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&pResults,
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&ppInterfaceData);
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// ********************
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// ** Begin fix for NT Bug 312637
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// ** April 1, 1999 -- stevesw
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// **
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// ** GetMarshalledResults puts a pointer to an empty MInterfacePointer
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// ** in the ppInterfaceData array. NT4 expects the values to be NULL.
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// ** Here we translate from NT5 to NT4 by freeing and nulling out these
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// ** array values.
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// **
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for (i = 0; i < count; i++ )
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{
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if ( !SUCCEEDED(pResults[i]) ||
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ppInterfaceData[i]->ulCntData < 2*sizeof(ULONG) )
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{
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ActMemFree (ppInterfaceData[i]);
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ppInterfaceData[i] = NULL;
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}
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}
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// **
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// ** End fix for NT Bug 312637
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// ********************
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pScmReplyInfo->Release();
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count = pOutActivationProperties->Release();
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Win4Assert(count == 0);
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exit_oldremote:
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if (pInstanceInfo)
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pInstanceInfo->Release();
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if (pClassInfo)
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pClassInfo->Release();
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if (pInitActPropsIn)
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pInitActPropsIn->Release();
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if (pISpecialSystemProps)
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{
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pISpecialSystemProps->Release();
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}
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if (pInScmRequestInfo)
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{
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count = pInScmRequestInfo->Release();
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Win4Assert(count == 1);
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}
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if (pInActivationProperties)
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{
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count = pInActivationProperties->Release();
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Win4Assert(count == 0);
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}
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return rpcerror;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: GetServerPath
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//
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// Synopsis: Computes file name of executable with drive name instead of
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// UNC name.
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//
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// Description: This is to work around limitations in NT's current
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// security/rdr. If we get a UNC path to this machine,
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// convert it into a drive based path. A server activated as
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// the client can not open any UNC path file, even if local,
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// so we make it drive based.
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//
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// On Chicago, we neither have this problem nor do we have
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// the NetGetShareInfo entrypoint in the relevant DLL
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//
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//----------------------------------------------------------------------------
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HRESULT GetServerPath(
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WCHAR * pwszPath,
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|
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WCHAR ** pwszServerPath )
|
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|
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{
|
||
|
|
WCHAR * pwszFinalPath;
|
||
|
|
|
||
|
|
ASSERT(pwszPath != NULL);
|
||
|
|
ASSERT(pwszServerPath != NULL);
|
||
|
|
|
||
|
|
pwszFinalPath = pwszPath;
|
||
|
|
*pwszServerPath = pwszPath;
|
||
|
|
|
||
|
|
if ( (pwszPath[0] == L'\\') && (pwszPath[1] == L'\\') )
|
||
|
|
{
|
||
|
|
WCHAR wszMachineName[MAX_COMPUTERNAME_LENGTH+1];
|
||
|
|
WCHAR * pwszShareName;
|
||
|
|
WCHAR * pwszShareEnd;
|
||
|
|
PSHARE_INFO_2 pShareInfo;
|
||
|
|
NET_API_STATUS Status;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
// It's already UNC so this had better succeed.
|
||
|
|
hr = GetMachineName(
|
||
|
|
pwszPath,
|
||
|
|
wszMachineName
|
||
|
|
#ifdef DFSACTIVATION
|
||
|
|
,FALSE
|
||
|
|
#endif
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( FAILED(hr) )
|
||
|
|
return hr;
|
||
|
|
|
||
|
|
if ( gpMachineName->Compare( wszMachineName ) )
|
||
|
|
{
|
||
|
|
pwszShareName = pwszPath + 2;
|
||
|
|
while ( *pwszShareName++ != L'\\' )
|
||
|
|
;
|
||
|
|
|
||
|
|
pwszShareEnd = pwszShareName;
|
||
|
|
while ( *pwszShareEnd != L'\\' )
|
||
|
|
pwszShareEnd++;
|
||
|
|
|
||
|
|
// This is OK, we're just munching on the string the RPC stub passed us.
|
||
|
|
*pwszShareEnd = 0;
|
||
|
|
|
||
|
|
pShareInfo = 0;
|
||
|
|
Status = ScmNetShareGetInfo(
|
||
|
|
NULL,
|
||
|
|
pwszShareName,
|
||
|
|
2,
|
||
|
|
(LPBYTE *)&pShareInfo );
|
||
|
|
|
||
|
|
if ( Status != STATUS_SUCCESS )
|
||
|
|
return (ULONG) CO_E_BAD_PATH;
|
||
|
|
|
||
|
|
pwszFinalPath = (WCHAR *) PrivMemAlloc( sizeof(WCHAR) * (MAX_PATH+1) );
|
||
|
|
|
||
|
|
if ( ! pwszFinalPath )
|
||
|
|
{
|
||
|
|
LocalFree( pShareInfo );
|
||
|
|
return (ULONG) E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
|
||
|
|
lstrcpyW( pwszFinalPath, pShareInfo->shi2_path );
|
||
|
|
*pwszShareEnd = L'\\';
|
||
|
|
lstrcatW( pwszFinalPath, pwszShareEnd );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Netapi32.dll midl_user_allocate calls LocalAlloc, so use
|
||
|
|
// LocalFree to free up the stuff the stub allocated.
|
||
|
|
//
|
||
|
|
LocalFree( pShareInfo );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
*pwszServerPath = pwszFinalPath;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|