internal static SMB2Command GetIOCtlResponse(IOCtlRequest request, ISMBShare share, SMB2ConnectionState state)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
if (request.CtlCode == (uint)IoControlCode.FSCTL_DFS_GET_REFERRALS ||
request.CtlCode == (uint)IoControlCode.FSCTL_DFS_GET_REFERRALS_EX)
{
// [MS-SMB2] 3.3.5.15.2 Handling a DFS Referral Information Request
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FS_DRIVER_REQUIRED));
}
OpenFileObject openFile = session.GetOpenFileObject(request.FileId);
object handle;
if (openFile == null)
{
if (request.CtlCode == (uint)IoControlCode.FSCTL_PIPE_WAIT ||
request.CtlCode == (uint)IoControlCode.FSCTL_VALIDATE_NEGOTIATE_INFO ||
request.CtlCode == (uint)IoControlCode.FSCTL_QUERY_NETWORK_INTERFACE_INFO)
{
// [MS-SMB2] 3.3.5.1.5 - FSCTL_PIPE_WAIT / FSCTL_QUERY_NETWORK_INTERFACE_INFO /
// FSCTL_VALIDATE_NEGOTIATE_INFO requests have FileId set to 0xFFFFFFFFFFFFFFFF.
handle = null;
}
else
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
}
else
{
handle = openFile.Handle;
}
int maxOutputLength = (int)request.MaxOutputResponse;
byte[] output;
NTStatus status = share.FileStore.DeviceIOControl(handle, request.CtlCode, request.Input, out output, maxOutputLength);
if (status != NTStatus.STATUS_SUCCESS)
{
return(new ErrorResponse(request.CommandName, status));
}
IOCtlResponse response = new IOCtlResponse();
response.CtlCode = request.CtlCode;
response.FileId = request.FileId;
response.Output = output;
return(response);
}
internal static SMB2Command GetIOCtlResponse(IOCtlRequest request, ISMBShare share, SMB2ConnectionState state)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
string ctlCode = Enum.IsDefined(typeof(IoControlCode), request.CtlCode) ? ((IoControlCode)request.CtlCode).ToString() : ("0x" + request.CtlCode.ToString("X8"));
if (!request.IsFSCtl)
{
// [MS-SMB2] If the Flags field of the request is not SMB2_0_IOCTL_IS_FSCTL the server MUST fail the request with STATUS_NOT_SUPPORTED.
state.LogToServer(Severity.Verbose, "IOCTL: Non-FSCTL requests are not supported. CTL Code: {0}", ctlCode);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}
if (request.CtlCode == (uint)IoControlCode.FSCTL_DFS_GET_REFERRALS ||
request.CtlCode == (uint)IoControlCode.FSCTL_DFS_GET_REFERRALS_EX)
{
// [MS-SMB2] 3.3.5.15.2 Handling a DFS Referral Information Request
state.LogToServer(Severity.Verbose, "IOCTL failed. CTL Code: {0}. NTStatus: STATUS_FS_DRIVER_REQUIRED.", ctlCode);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FS_DRIVER_REQUIRED));
}
object handle;
if (request.CtlCode == (uint)IoControlCode.FSCTL_PIPE_WAIT ||
request.CtlCode == (uint)IoControlCode.FSCTL_VALIDATE_NEGOTIATE_INFO ||
request.CtlCode == (uint)IoControlCode.FSCTL_QUERY_NETWORK_INTERFACE_INFO)
{
// [MS-SMB2] 3.3.5.15 - FSCTL_PIPE_WAIT / FSCTL_QUERY_NETWORK_INTERFACE_INFO /
// FSCTL_VALIDATE_NEGOTIATE_INFO requests MUST have FileId set to 0xFFFFFFFFFFFFFFFF.
if (request.FileId.Persistent != 0xFFFFFFFFFFFFFFFF || request.FileId.Volatile != 0xFFFFFFFFFFFFFFFF)
{
state.LogToServer(Severity.Verbose, "IOCTL failed. CTL Code: {0}. FileId MUST be 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", ctlCode);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER));
}
handle = null;
}
else
{
OpenFileObject openFile = session.GetOpenFileObject(request.FileId);
if (openFile == null)
{
state.LogToServer(Severity.Verbose, "IOCTL failed. CTL Code: {0}. Invalid FileId. (SessionID: {1}, TreeID: {2}, FileId: {3})", ctlCode, request.Header.SessionID, request.Header.TreeID, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
handle = openFile.Handle;
}
int maxOutputLength = (int)request.MaxOutputResponse;
byte[] output;
NTStatus status = share.FileStore.DeviceIOControl(handle, request.CtlCode, request.Input, out output, maxOutputLength);
if (status != NTStatus.STATUS_SUCCESS && status != NTStatus.STATUS_BUFFER_OVERFLOW)
{
state.LogToServer(Severity.Verbose, "IOCTL failed. CTL Code: {0}. NTStatus: {1}.", ctlCode, status);
return(new ErrorResponse(request.CommandName, status));
}
state.LogToServer(Severity.Verbose, "IOCTL succeeded. CTL Code: {0}.", ctlCode);
IOCtlResponse response = new IOCtlResponse();
response.Header.Status = status;
response.CtlCode = request.CtlCode;
response.FileId = request.FileId;
response.Output = output;
return(response);
}
