NTSTATUS VBoxMRxCreateSrvCall (PMRX_SRV_CALL pSrvCall, PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext)
/*++
Routine Description:
This routine patches the RDBSS created srv call instance with the information required
by the mini redirector.
Arguments:
RxContext - Supplies the context of the original create/ioctl
CallBackContext - the call back context in RDBSS for continuation.
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status;
PMRX_SRVCALLDOWN_STRUCTURE SrvCalldownStructure = (PMRX_SRVCALLDOWN_STRUCTURE)(pCallbackContext->SrvCalldownStructure);
Assert(pSrvCall);
Assert(NodeType(pSrvCall) == RDBSS_NTC_SRVCALL);
Log(("VBOXSF: VBoxMRxCreateSrvCall: Called %p.\n", pSrvCall));
//
// If this request was made on behalf of the RDBSS, do ExecuteCreatSrvCall
// immediately. If the request was made from somewhere else, create a work item
// and place it on a queue for a worker thread to process later. This distinction
// is made to simplify transport handle management.
//
if (IoGetCurrentProcess() == RxGetRDBSSProcess())
{
Log(("VBOXSF: VBoxMRxCreateSrvCall: Called in context of RDBSS process\n"));
//
// Peform the processing immediately because RDBSS is the initiator of this
// request
//
ExecuteCreateSrvCall(pCallbackContext);
}
else
{
Log(("VBOXSF: VBoxMRxCreateSrvCall: Dispatching to worker thread\n"));
//
// Dispatch the request to a worker thread because the redirected drive
// buffering sub-system (RDBSS) was not the initiator
//
Status = RxDispatchToWorkerThread(VBoxMRxDeviceObject, DelayedWorkQueue, (PWORKER_THREAD_ROUTINE)ExecuteCreateSrvCall, /* explicit cast for first parameter type */
pCallbackContext);
if (Status == STATUS_SUCCESS)
{
Log(("VBOXSF: VBoxMRxCreateSrvCall: queued!\n"));
}
else
{
pCallbackContext->Status = Status;
SrvCalldownStructure->CallBack(pCallbackContext);
}
}
//
// The wrapper expects PENDING.
//
return STATUS_PENDING;
}
VOID ExecuteCreateSrvCall (PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext)
/*++
Routine Description:
This routine patches the RDBSS created srv call instance with the
information required by the mini redirector.
Arguments:
CallBackContext - the call back context in RDBSS for continuation.
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status;
PWCHAR pSrvName = 0;
BOOLEAN Verifier;
PMRX_SRVCALL_CALLBACK_CONTEXT SCCBC = pCallbackContext;
PMRX_SRVCALLDOWN_STRUCTURE SrvCalldownStructure = (PMRX_SRVCALLDOWN_STRUCTURE)(SCCBC->SrvCalldownStructure);
PMRX_SRV_CALL pSrvCall = SrvCalldownStructure->SrvCall;
Assert(pSrvCall);
Assert(NodeType(pSrvCall) == RDBSS_NTC_SRVCALL);
/* Validate the server name with the test name of 'vboxsvr'. */
Log(("VBOXSF: ExecuteCreateSrvCall: Connection Name %.*ls Length: %d, pSrvCall = %p\n", pSrvCall->pSrvCallName->Length / sizeof(WCHAR), pSrvCall->pSrvCallName->Buffer, pSrvCall->pSrvCallName->Length, pSrvCall));
if (pSrvCall->pPrincipalName && pSrvCall->pPrincipalName->Length)
Log(("VBOXSF: ExecuteCreateSrvCall: Principal name = %.*ls\n", pSrvCall->pPrincipalName->Length / sizeof(WCHAR), pSrvCall->pPrincipalName->Buffer));
if (pSrvCall->pDomainName && pSrvCall->pDomainName->Length)
Log(("VBOXSF: ExecuteCreateSrvCall: Domain name = %.*ls\n", pSrvCall->pDomainName->Length / sizeof(WCHAR), pSrvCall->pDomainName->Buffer));
if (pSrvCall->pSrvCallName->Length >= 14)
{
pSrvName = pSrvCall->pSrvCallName->Buffer;
Verifier = (pSrvName[0] == L'\\');
Verifier &= (pSrvName[1] == L'V') || (pSrvName[1] == L'v');
Verifier &= (pSrvName[2] == L'B') || (pSrvName[2] == L'b');
Verifier &= (pSrvName[3] == L'O') || (pSrvName[3] == L'o');
Verifier &= (pSrvName[4] == L'X') || (pSrvName[4] == L'x');
Verifier &= (pSrvName[5] == L'S') || (pSrvName[5] == L's');
/* Both vboxsvr & vboxsrv are now accepted */
if ((pSrvName[6] == L'V') || (pSrvName[6] == L'v'))
{
Verifier &= (pSrvName[6] == L'V') || (pSrvName[6] == L'v');
Verifier &= (pSrvName[7] == L'R') || (pSrvName[7] == L'r');
}
else
{
Verifier &= (pSrvName[6] == L'R') || (pSrvName[6] == L'r');
Verifier &= (pSrvName[7] == L'V') || (pSrvName[7] == L'v');
}
Verifier &= (pSrvName[8] == L'\\') || (pSrvName[8] == 0);
}
else
{
Verifier = FALSE;
}
if (Verifier)
{
Log(("VBOXSF: ExecuteCreateSrvCall: Verifier succeeded!\n"));
Status = STATUS_SUCCESS;
}
else
{
Log(("VBOXSF: ExecuteCreateSrvCall: Verifier failed!\n"));
Status = STATUS_BAD_NETWORK_PATH;
}
SCCBC->Status = Status;
SrvCalldownStructure->CallBack(SCCBC);
}
static VOID vbsfExecuteCreateSrvCall(PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext)
{
NTSTATUS Status;
PWCHAR pSrvName = 0;
BOOLEAN Verifier;
PMRX_SRVCALL_CALLBACK_CONTEXT SCCBC = pCallbackContext;
PMRX_SRVCALLDOWN_STRUCTURE SrvCalldownStructure = (PMRX_SRVCALLDOWN_STRUCTURE)(SCCBC->SrvCalldownStructure);
PMRX_SRV_CALL pSrvCall = SrvCalldownStructure->SrvCall;
/* Validate the server name with the test name of 'vboxsvr'. */
Log(("VBOXSF: vbsfExecuteCreateSrvCall: Connection Name %.*ls Length: %d, pSrvCall = %p\n",
pSrvCall->pSrvCallName->Length / sizeof(WCHAR), pSrvCall->pSrvCallName->Buffer, pSrvCall->pSrvCallName->Length, pSrvCall));
if (pSrvCall->pPrincipalName && pSrvCall->pPrincipalName->Length)
{
Log(("VBOXSF: vbsfExecuteCreateSrvCall: Principal name = %.*ls\n",
pSrvCall->pPrincipalName->Length / sizeof(WCHAR), pSrvCall->pPrincipalName->Buffer));
}
if (pSrvCall->pDomainName && pSrvCall->pDomainName->Length)
{
Log(("VBOXSF: vbsfExecuteCreateSrvCall: Domain name = %.*ls\n",
pSrvCall->pDomainName->Length / sizeof(WCHAR), pSrvCall->pDomainName->Buffer));
}
if (pSrvCall->pSrvCallName->Length >= 14)
{
pSrvName = pSrvCall->pSrvCallName->Buffer;
Verifier = (pSrvName[0] == L'\\');
Verifier &= (pSrvName[1] == L'V') || (pSrvName[1] == L'v');
Verifier &= (pSrvName[2] == L'B') || (pSrvName[2] == L'b');
Verifier &= (pSrvName[3] == L'O') || (pSrvName[3] == L'o');
Verifier &= (pSrvName[4] == L'X') || (pSrvName[4] == L'x');
Verifier &= (pSrvName[5] == L'S') || (pSrvName[5] == L's');
/* Both vboxsvr & vboxsrv are now accepted */
if ((pSrvName[6] == L'V') || (pSrvName[6] == L'v'))
{
Verifier &= (pSrvName[6] == L'V') || (pSrvName[6] == L'v');
Verifier &= (pSrvName[7] == L'R') || (pSrvName[7] == L'r');
}
else
{
Verifier &= (pSrvName[6] == L'R') || (pSrvName[6] == L'r');
Verifier &= (pSrvName[7] == L'V') || (pSrvName[7] == L'v');
}
Verifier &= (pSrvName[8] == L'\\') || (pSrvName[8] == 0);
}
else
Verifier = FALSE;
if (Verifier)
{
Log(("VBOXSF: vbsfExecuteCreateSrvCall: Verifier succeeded!\n"));
Status = STATUS_SUCCESS;
}
else
{
Log(("VBOXSF: vbsfExecuteCreateSrvCall: Verifier failed!\n"));
Status = STATUS_BAD_NETWORK_PATH;
}
SCCBC->Status = Status;
SrvCalldownStructure->CallBack(SCCBC);
}