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Annotation of truecrypt/driver/ntrawdv.c, revision 1.1.1.3

1.1.1.3 ! root        1: /* The source code contained in this file has been derived from the source code
        !             2:    of Encryption for the Masses 2.02a by Paul Le Roux. Modifications and
        !             3:    additions to that source code contained in this file are Copyright (c) 2004
        !             4:    TrueCrypt Team and Copyright (c) 2004 TrueCrypt Foundation. Unmodified
        !             5:    parts are Copyright (c) 1998-99 Paul Le Roux. This is a TrueCrypt Foundation
        !             6:    release. Please see the file license.txt for full license details. */
1.1       root        7: 
                      8: #include "TCdefs.h"
                      9: #include "crypto.h"
                     10: #include "fat.h"
                     11: #include "volumes.h"
                     12: 
                     13: #include "apidrvr.h"
                     14: #include "ntdriver.h"
                     15: #include "ntvol.h"
                     16: #include "ntrawdv.h"
                     17: 
                     18: #pragma warning( disable : 4127 )
                     19: 
                     20: NTSTATUS
                     21: TCSendIRP_RawDevice (PDEVICE_OBJECT DeviceObject,
                     22:                      PEXTENSION Extension,
                     23:                      PVOID pUserBuffer,
                     24:                      ULONG uFlags,
                     25:                      UCHAR uMajorFunction,
                     26:                      PIRP Irp)
                     27: {
                     28:        PIO_STACK_LOCATION irpSp;
                     29:        PIO_STACK_LOCATION irpNextSp;
                     30:        NTSTATUS ntStatus;
                     31: 
                     32:        if (uFlags);            /* Remove compiler warning */
                     33: 
                     34: //     Dump ("Sending IRP...\n");
                     35: 
                     36:        irpSp = IoGetCurrentIrpStackLocation (Irp);
                     37:        irpNextSp = IoGetNextIrpStackLocation (Irp);
                     38: 
                     39:        irpSp->MajorFunction = uMajorFunction;
                     40:        irpSp->DeviceObject = DeviceObject;
                     41:        irpSp->FileObject = Extension->pfoDeviceFile;
                     42: 
                     43:        /* Copy our flags down one level, this is to get the proper
                     44:           removable-media handling */
                     45:        irpNextSp->Flags = irpSp->Flags;
                     46: 
                     47:        /* Setup the lower drivers stack location */
                     48:        irpNextSp->MajorFunction = irpSp->MajorFunction;
                     49:        irpNextSp->MinorFunction = irpSp->MinorFunction;
                     50:        irpNextSp->DeviceObject = irpSp->DeviceObject;
                     51:        irpNextSp->FileObject = irpSp->FileObject;
                     52:        /* Copy over io parameters, this is a union, so it handles
                     53:           deviceiocontrol & read/write */
                     54:        irpNextSp->Parameters.Read.Length = irpSp->Parameters.Read.Length;
                     55:        irpNextSp->Parameters.Read.ByteOffset = irpSp->Parameters.Read.ByteOffset;
                     56:        irpNextSp->Parameters.Read.Key = irpSp->Parameters.Read.Key;
                     57: 
                     58:        IoSetCompletionRoutine (Irp, TCCompletion, pUserBuffer, TRUE, TRUE, TRUE);
                     59:        ntStatus = IoCallDriver (Extension->pFsdDevice, Irp);
                     60: 
                     61: //     Dump ("IRP Sent!\n");
                     62:        return ntStatus;
                     63: }

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