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