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https://github.com/reactos/reactos.git
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1481 lines
51 KiB
C
1481 lines
51 KiB
C
/*--
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Copyright (C) Microsoft Corporation. All rights reserved.
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Module Name:
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aacs.c
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Abstract:
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The CDROM class driver implementation of handling AACS IOCTLs.
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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#include "stddef.h"
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#include "string.h"
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#include "ntddk.h"
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#include "ntddstor.h"
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#include "cdrom.h"
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#include "ioctl.h"
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#include "scratch.h"
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#ifdef DEBUG_USE_WPP
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#include "aacs.tmh"
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#endif
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, DeviceHandleAacsReadMediaKeyBlock)
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#pragma alloc_text(PAGE, DeviceHandleAacsStartSession)
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#pragma alloc_text(PAGE, DeviceHandleAacsEndSession)
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#pragma alloc_text(PAGE, DeviceHandleAacsSendCertificate)
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#pragma alloc_text(PAGE, DeviceHandleAacsGetCertificate)
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#pragma alloc_text(PAGE, DeviceHandleAacsGetChallengeKey)
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#pragma alloc_text(PAGE, DeviceHandleAacsReadSerialNumber)
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#pragma alloc_text(PAGE, DeviceHandleAacsReadMediaId)
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#pragma alloc_text(PAGE, DeviceHandleAacsReadBindingNonce)
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#pragma alloc_text(PAGE, DeviceHandleAacsGenerateBindingNonce)
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#pragma alloc_text(PAGE, DeviceHandleReadVolumeId)
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#pragma alloc_text(PAGE, DeviceHandleSendChallengeKey)
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#endif
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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DeviceHandleAacsReadMediaKeyBlock(
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_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
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_In_ WDFREQUEST Request,
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_In_ WDF_REQUEST_PARAMETERS RequestParameters,
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_Out_ size_t * DataLength
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)
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/*++
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Routine Description:
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This routine is used to process IOCTLs:
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IOCTL_AACS_READ_MEDIA_KEY_BLOCK_SIZE
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IOCTL_AACS_READ_MEDIA_KEY_BLOCK
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Arguments:
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DeviceExtension - device context
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Request - the request that will be formatted
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RequestParameters - request parameter structur
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DataLength - data transferred length
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Return Value:
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NTSTATUS
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--*/
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{
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NTSTATUS status = STATUS_SUCCESS;
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PAACS_LAYER_NUMBER layerNumber = NULL;
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PVOID outputBuffer = NULL;
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ULONG transferSize = sizeof(READ_DVD_STRUCTURES_HEADER);
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PAGED_CODE();
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*DataLength = 0;
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status = WdfRequestRetrieveInputBuffer(Request,
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RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
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(PVOID*)&layerNumber,
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NULL);
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if (NT_SUCCESS(status))
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{
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status = WdfRequestRetrieveOutputBuffer(Request,
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RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
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(PVOID*)&outputBuffer,
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NULL);
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}
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if (NT_SUCCESS(status))
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{
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if (RequestParameters.Parameters.DeviceIoControl.IoControlCode == IOCTL_AACS_READ_MEDIA_KEY_BLOCK)
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{
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// maximum size for this transfer is one pack + header
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transferSize += AACS_MKB_PACK_SIZE;
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}
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if (transferSize > DeviceExtension->ScratchContext.ScratchBufferSize)
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{
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// rare case. normally the size of scratch buffer is 64k.
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status = STATUS_INTERNAL_ERROR;
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}
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}
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if (NT_SUCCESS(status))
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{
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UCHAR rmdBlockNumber = 0;
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BOOLEAN sendChangedCommand = TRUE;
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BOOLEAN shouldRetry = TRUE;
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CDB cdb;
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ScratchBuffer_BeginUse(DeviceExtension);
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RtlZeroMemory(&cdb, sizeof(CDB));
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// Set up the CDB
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cdb.READ_DVD_STRUCTURE.OperationCode = SCSIOP_READ_DVD_STRUCTURE;
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// cdb->AsByte[1] = 0x01; // AACS sub-command not required for this
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cdb.READ_DVD_STRUCTURE.LayerNumber = (UCHAR)(*layerNumber);
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cdb.READ_DVD_STRUCTURE.Format = 0x83; // MKB
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cdb.READ_DVD_STRUCTURE.AllocationLength[0] = (UCHAR)(transferSize >> (8*1));
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cdb.READ_DVD_STRUCTURE.AllocationLength[1] = (UCHAR)(transferSize >> (8*0));
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while (sendChangedCommand)
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{
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// RMDBlockNumber is set to zero....
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// RMDBlockNumber[3] maybe changed for other blocks.
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cdb.READ_DVD_STRUCTURE.RMDBlockNumber[3] = rmdBlockNumber;
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if (shouldRetry)
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{
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status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, transferSize, TRUE, &cdb, 12);
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}
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#ifdef ENABLE_AACS_TESTING
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if (RequestParameters.Parameters.DeviceIoControl.IoControlCode == IOCTL_AACS_READ_MEDIA_KEY_BLOCK_SIZE)
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{
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static const UCHAR results[] = { 0x80, 0x02, 0x00, 0x02 };
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RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
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status = STATUS_SUCCESS;
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}
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else if (RequestParameters.Parameters.DeviceIoControl.IoControlCode == IOCTL_AACS_READ_MEDIA_KEY_BLOCK)
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{
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static const UCHAR results[] = { 0x80, 0x02, 0x00, 0x02 };
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static const UCHAR defaultFill = 0x30; // '0'
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RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x8004, defaultFill);
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RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
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status = STATUS_SUCCESS;
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}
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#endif //ENABLE_AACS_TESTING
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if (NT_SUCCESS(status))
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{
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// command succeeded, process data...
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PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
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UCHAR thisPackNumber = cdb.READ_DVD_STRUCTURE.RMDBlockNumber[3];
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UCHAR otherPacks = header->Reserved[1];
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// validate and zero-base the otherPacks
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if (otherPacks == 0)
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{
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TracePrint((TRACE_LEVEL_WARNING, TRACE_FLAG_INIT,
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"AACS: Device is reporting zero total packs (invalid)\n"));
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*DataLength = 0;
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status = STATUS_IO_DEVICE_ERROR;
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}
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else
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{
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otherPacks--;
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if (RequestParameters.Parameters.DeviceIoControl.IoControlCode == IOCTL_AACS_READ_MEDIA_KEY_BLOCK_SIZE)
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{
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// if not already requested last pack, do so now
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if (otherPacks != thisPackNumber)
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{
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// re-send the command for the other pack number.
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// this is safe here because NT_SUCCESS() is TRUE,
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// and all the rest of this routine does is SetHardError()
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// and release of resources we're still about to use.
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// re-zero the output buffer
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RtlZeroMemory(DeviceExtension->ScratchContext.ScratchBuffer, sizeof(READ_DVD_STRUCTURES_HEADER));
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// modify the CDB to get the very last pack of the MKB
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rmdBlockNumber = otherPacks;
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transferSize = sizeof(READ_DVD_STRUCTURES_HEADER);
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// keep items clean
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ScratchBuffer_ResetItems(DeviceExtension, TRUE);
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// make sure the loop will be executed for modified command.
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sendChangedCommand = TRUE;
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shouldRetry = TRUE;
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}
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else
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{
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// this request already got the last pack
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// so just interpret the data
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REVERSE_SHORT(&header->Length);
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if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
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{
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*DataLength = 0;
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status = STATUS_IO_DEVICE_ERROR;
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}
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else
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{
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ULONG totalSize = header->Length;
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// subtract out any remaining bytes in the header
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// to get the number of usable bytes in this pack
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totalSize -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
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totalSize += otherPacks * AACS_MKB_PACK_SIZE;
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// save the result and complete the request
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*((PULONG)outputBuffer) = totalSize;
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*DataLength = sizeof(ULONG);
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status = STATUS_SUCCESS;
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}
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// This will exit the loop of sendChangedCommand
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sendChangedCommand = FALSE;
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shouldRetry = FALSE;
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}
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}
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else if (RequestParameters.Parameters.DeviceIoControl.IoControlCode == IOCTL_AACS_READ_MEDIA_KEY_BLOCK)
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{
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// make length field native byte ordering
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REVERSE_SHORT(&header->Length);
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// exit if getting invalid data from the drive
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if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
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{
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*DataLength = 0;
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status = STATUS_IO_DEVICE_ERROR;
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}
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else
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{
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// success, how many bytes to copy for this pack?
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ULONG totalSize = header->Length;
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size_t originalBufferSize;
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// subtract out any remaining bytes in the header
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// to get the number of usable bytes in this pack
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totalSize -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
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// if not the final pack, this should be a full transfer per spec
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NT_ASSERT( (totalSize == AACS_MKB_PACK_SIZE) || (thisPackNumber == otherPacks) );
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// validate the user's buffer is large enough to accept the full data
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originalBufferSize = RequestParameters.Parameters.DeviceIoControl.OutputBufferLength;
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if (originalBufferSize < (totalSize + (AACS_MKB_PACK_SIZE*thisPackNumber)))
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{
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// just return a slightly bigger-than-normal size
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*DataLength = (otherPacks + 1)*AACS_MKB_PACK_SIZE;
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status = STATUS_BUFFER_TOO_SMALL;
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}
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else
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{
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PUCHAR whereToCopy;
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// determine where to copy to the user's memory
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whereToCopy = outputBuffer;
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whereToCopy += AACS_MKB_PACK_SIZE * thisPackNumber;
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RtlCopyMemory(whereToCopy, header->Data, totalSize);
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// update the Information field here because we already
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// have calculated the size of the block
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*DataLength = totalSize + (AACS_MKB_PACK_SIZE * thisPackNumber);
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status = STATUS_SUCCESS;
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// if there are more packs to get from the device, send it again....
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if (thisPackNumber != otherPacks)
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{
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// re-send the command for the next pack number.
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// this is safe here because NT_SUCCESS() is TRUE,
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// and all the rest of this routine does is SetHardError()
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// and release of resources we're still about to use.
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// re-zero the output buffer
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RtlZeroMemory(DeviceExtension->ScratchContext.ScratchBuffer, sizeof(READ_DVD_STRUCTURES_HEADER));
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// modify the CDB to get the next pack of the MKB
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rmdBlockNumber = cdb.READ_DVD_STRUCTURE.RMDBlockNumber[3]++;
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// modify the SRB to be resent
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//
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transferSize = AACS_MKB_PACK_SIZE + sizeof(READ_DVD_STRUCTURES_HEADER);
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// keep items clean
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ScratchBuffer_ResetItems(DeviceExtension, FALSE);
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// make sure the loop will be executed for modified command.
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sendChangedCommand = TRUE;
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shouldRetry = TRUE;
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}
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else
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{
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// else, that was the end of the transfer, so just complete the request
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sendChangedCommand = FALSE;
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}
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}
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}
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} // end of IOCTL_AACS_READ_MEDIA_KEY_BLOCK
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}
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} // end of NT_SUCCESS(status)
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if (!NT_SUCCESS(status))
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{
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// command failed.
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sendChangedCommand = FALSE;
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}
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} //end of while (sendChangedCommand)
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ScratchBuffer_EndUse(DeviceExtension);
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}
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return status;
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}
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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DeviceHandleAacsStartSession(
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_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
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_In_ WDFREQUEST Request,
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_In_ WDF_REQUEST_PARAMETERS RequestParameters,
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_Out_ size_t * DataLength
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)
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/*++
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Routine Description:
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This routine is used to process IOCTL:
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IOCTL_AACS_START_SESSION
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Arguments:
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DeviceExtension - device context
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Request - the request that will be formatted
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RequestParameters - request parameter structur
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DataLength - data transferred length
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Return Value:
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NTSTATUS
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--*/
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{
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//AacsGetAgid
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NTSTATUS status = STATUS_SUCCESS;
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PDVD_SESSION_ID sessionId = NULL;
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PAGED_CODE();
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*DataLength = 0;
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status = WdfRequestRetrieveOutputBuffer(Request,
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RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
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(PVOID*)&sessionId,
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NULL);
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if (NT_SUCCESS(status))
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{
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ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(CDVD_REPORT_AGID_DATA);
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CDB cdb;
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ScratchBuffer_BeginUse(DeviceExtension);
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RtlZeroMemory(&cdb, sizeof(CDB));
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// Set up the CDB
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cdb.REPORT_KEY.OperationCode = SCSIOP_REPORT_KEY;
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cdb.AsByte[7] = 0x02; // AACS key class
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cdb.REPORT_KEY.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
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cdb.REPORT_KEY.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
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cdb.REPORT_KEY.KeyFormat = 0x00; // DVD_REPORT_AGID?
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status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
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#ifdef ENABLE_AACS_TESTING
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static const UCHAR results[] = { 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0 };
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RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
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status = STATUS_SUCCESS;
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#endif
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if (NT_SUCCESS(status))
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{
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PCDVD_KEY_HEADER keyHeader = DeviceExtension->ScratchContext.ScratchBuffer;
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PCDVD_REPORT_AGID_DATA keyData = (PCDVD_REPORT_AGID_DATA)keyHeader->Data;
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*sessionId = (DVD_SESSION_ID)(keyData->AGID);
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*DataLength = sizeof(DVD_SESSION_ID);
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}
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ScratchBuffer_EndUse(DeviceExtension);
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}
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return status;
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}
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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DeviceHandleAacsEndSession(
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_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
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_In_ WDFREQUEST Request,
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_In_ WDF_REQUEST_PARAMETERS RequestParameters,
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_Out_ size_t * DataLength
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)
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/*++
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Routine Description:
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This routine is used to process IOCTL:
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IOCTL_AACS_END_SESSION
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Arguments:
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DeviceExtension - device context
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Request - the request that will be formatted
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RequestParameters - request parameter structur
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DataLength - data transferred length
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Return Value:
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NTSTATUS
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--*/
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{
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//AacsReleaseAgid
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NTSTATUS status = STATUS_SUCCESS;
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PDVD_SESSION_ID sessionId = NULL;
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PAGED_CODE();
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*DataLength = 0;
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status = WdfRequestRetrieveInputBuffer(Request,
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RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
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(PVOID*)&sessionId,
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NULL);
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if (NT_SUCCESS(status))
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{
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ULONG transferSize = 0;
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CDB cdb;
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DVD_SESSION_ID currentSession = 0;
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DVD_SESSION_ID limitSession = 0;
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if(*sessionId == DVD_END_ALL_SESSIONS)
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{
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currentSession = 0;
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limitSession = MAX_COPY_PROTECT_AGID - 1;
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}
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else
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{
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currentSession = *sessionId;
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limitSession = *sessionId;
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}
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ScratchBuffer_BeginUse(DeviceExtension);
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do
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{
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RtlZeroMemory(&cdb, sizeof(CDB));
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// Set up the CDB
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cdb.SEND_KEY.OperationCode = SCSIOP_SEND_KEY;
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cdb.AsByte[7] = 0x02; // AACS key class
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cdb.SEND_KEY.AGID = (UCHAR)(currentSession);
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cdb.SEND_KEY.KeyFormat = DVD_INVALIDATE_AGID;
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status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, transferSize, FALSE, &cdb, 12);
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currentSession++;
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} while ((currentSession <= limitSession) && NT_SUCCESS(status));
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#ifdef ENABLE_AACS_TESTING
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status = STATUS_SUCCESS;
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#endif
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ScratchBuffer_EndUse(DeviceExtension);
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}
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return status;
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}
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS
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DeviceHandleAacsSendCertificate(
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_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
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_In_ WDFREQUEST Request,
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_In_ WDF_REQUEST_PARAMETERS RequestParameters,
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_Out_ size_t * DataLength
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)
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/*++
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Routine Description:
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This routine is used to process IOCTL:
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IOCTL_AACS_SEND_CERTIFICATE
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Arguments:
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DeviceExtension - device context
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Request - the request that will be formatted
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RequestParameters - request parameter structur
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DataLength - data transferred length
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Return Value:
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NTSTATUS
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--*/
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{
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//AacsSendHostCertificate
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NTSTATUS status = STATUS_SUCCESS;
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PAACS_SEND_CERTIFICATE input = NULL;
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PAGED_CODE();
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*DataLength = 0;
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status = WdfRequestRetrieveInputBuffer(Request,
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RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
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(PVOID*)&input,
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NULL);
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if (NT_SUCCESS(status))
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{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_CERTIFICATE);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
// copy the input buffer to the data buffer for the transfer
|
|
{
|
|
PCDVD_KEY_HEADER header = (PCDVD_KEY_HEADER)DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG tmp = dataTransferLength;
|
|
|
|
tmp -= RTL_SIZEOF_THROUGH_FIELD(CDVD_KEY_HEADER, DataLength);
|
|
|
|
header->DataLength[0] = (UCHAR)(tmp >> (8*1));
|
|
header->DataLength[1] = (UCHAR)(tmp >> (8*0));
|
|
RtlCopyMemory(header->Data, &(input->Certificate), sizeof(AACS_CERTIFICATE));
|
|
}
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.SEND_KEY.OperationCode = SCSIOP_SEND_KEY;
|
|
cdb.AsByte[7] = 0x02; // AACS key class
|
|
cdb.SEND_KEY.ParameterListLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.SEND_KEY.ParameterListLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.SEND_KEY.AGID = (UCHAR)( input->SessionId );
|
|
cdb.SEND_KEY.KeyFormat = 0x01; // Send Host Challenge Certificate
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, FALSE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
*DataLength = 0;
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsGetCertificate(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_GET_CERTIFICATE
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsGetDriveCertificate
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PDVD_SESSION_ID input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_CERTIFICATE);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.REPORT_KEY.OperationCode = SCSIOP_REPORT_KEY;
|
|
cdb.AsByte[7] = 0x02; // AACS key class
|
|
cdb.REPORT_KEY.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.REPORT_KEY.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.REPORT_KEY.AGID = (UCHAR)(*input);
|
|
cdb.REPORT_KEY.KeyFormat = 0x01; // Return a drive certificate challenge
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x72, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x31; // '1'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0074, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_CERTIFICATE);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < (sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length)))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsGetChallengeKey(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_GET_CHALLENGE_KEY
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsGetChallengeKey
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PDVD_SESSION_ID input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_CHALLENGE_KEY);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.REPORT_KEY.OperationCode = SCSIOP_REPORT_KEY;
|
|
cdb.AsByte[7] = 0x02; // AACS key class
|
|
cdb.REPORT_KEY.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.REPORT_KEY.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.REPORT_KEY.AGID = (UCHAR)(*input);
|
|
cdb.REPORT_KEY.KeyFormat = 0x02; // Return a drive certificate challenge
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x52, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x32; // '2'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0054, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_CHALLENGE_KEY);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleSendChallengeKey(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_SEND_CHALLENGE_KEY
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsSendChallengeKey
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PAACS_SEND_CHALLENGE_KEY input = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_CHALLENGE_KEY);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
// copy the input buffer to the data buffer for the transfer
|
|
{
|
|
PCDVD_KEY_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG tmp = dataTransferLength;
|
|
tmp -= RTL_SIZEOF_THROUGH_FIELD(CDVD_KEY_HEADER, DataLength);
|
|
|
|
header->DataLength[0] = (UCHAR)(tmp >> (8*1));
|
|
header->DataLength[1] = (UCHAR)(tmp >> (8*0));
|
|
RtlCopyMemory(header->Data, &(input->ChallengeKey), sizeof(AACS_CHALLENGE_KEY));
|
|
}
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.SEND_KEY.OperationCode = SCSIOP_SEND_KEY;
|
|
cdb.AsByte[7] = 0x02; // AACS key class
|
|
cdb.SEND_KEY.ParameterListLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.SEND_KEY.ParameterListLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.SEND_KEY.AGID = (UCHAR)( input->SessionId );
|
|
cdb.SEND_KEY.KeyFormat = 0x02; // Send Host Challenge Certificate
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, FALSE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
*DataLength = 0;
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleReadVolumeId(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_READ_VOLUME_ID
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsReadVolumeID
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PDVD_SESSION_ID input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_VOLUME_ID);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.READ_DVD_STRUCTURE.OperationCode = SCSIOP_READ_DVD_STRUCTURE;
|
|
cdb.READ_DVD_STRUCTURE.Format = 0x80; // Return the AACS volumeID
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.READ_DVD_STRUCTURE.AGID = (UCHAR)(*input);
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x22, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x33; // '3'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0024, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_VOLUME_ID);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsReadSerialNumber(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_READ_SERIAL_NUMBER
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsReadSerialNumber
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PDVD_SESSION_ID input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_SERIAL_NUMBER);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.READ_DVD_STRUCTURE.OperationCode = SCSIOP_READ_DVD_STRUCTURE;
|
|
cdb.READ_DVD_STRUCTURE.Format = 0x81; // Return the AACS volumeID
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.READ_DVD_STRUCTURE.AGID = (UCHAR)(*input);
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x22, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x34; // '4'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0024, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_SERIAL_NUMBER);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsReadMediaId(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_READ_MEDIA_ID
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsReadMediaID
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PDVD_SESSION_ID input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_MEDIA_ID);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.READ_DVD_STRUCTURE.OperationCode = SCSIOP_READ_DVD_STRUCTURE;
|
|
cdb.READ_DVD_STRUCTURE.Format = 0x82; // Return the AACS volumeID
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.READ_DVD_STRUCTURE.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.READ_DVD_STRUCTURE.AGID = (UCHAR)(*input);
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x22, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x35; // '5'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0024, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_MEDIA_ID);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsReadBindingNonce(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_READ_BINDING_NONCE
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsReadBindingNonce
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PAACS_READ_BINDING_NONCE input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_BINDING_NONCE);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
cdb.REPORT_KEY.OperationCode = SCSIOP_REPORT_KEY;
|
|
cdb.REPORT_KEY.LogicalBlockAddress[0] = (UCHAR)( input->StartLba >> (3*8) );
|
|
cdb.REPORT_KEY.LogicalBlockAddress[1] = (UCHAR)( input->StartLba >> (2*8) );
|
|
cdb.REPORT_KEY.LogicalBlockAddress[2] = (UCHAR)( input->StartLba >> (1*8) );
|
|
cdb.REPORT_KEY.LogicalBlockAddress[3] = (UCHAR)( input->StartLba >> (0*8) );
|
|
cdb.AsByte[6] = (UCHAR)( input->NumberOfSectors );
|
|
cdb.AsByte[7] = 0x02; // AACS key class
|
|
cdb.REPORT_KEY.AllocationLength[0] = (UCHAR)(dataTransferLength >> (8*1));
|
|
cdb.REPORT_KEY.AllocationLength[1] = (UCHAR)(dataTransferLength >> (8*0));
|
|
cdb.REPORT_KEY.AGID = (UCHAR)( input->SessionId );
|
|
cdb.REPORT_KEY.KeyFormat = 0x21; // Return an existing binding nonce
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x22, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x36; // '6'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0024, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_BINDING_NONCE);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
_IRQL_requires_max_(APC_LEVEL)
|
|
NTSTATUS
|
|
DeviceHandleAacsGenerateBindingNonce(
|
|
_In_ PCDROM_DEVICE_EXTENSION DeviceExtension,
|
|
_In_ WDFREQUEST Request,
|
|
_In_ WDF_REQUEST_PARAMETERS RequestParameters,
|
|
_Out_ size_t * DataLength
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
This routine is used to process IOCTL:
|
|
IOCTL_AACS_GENERATE_BINDING_NONCE
|
|
Arguments:
|
|
DeviceExtension - device context
|
|
|
|
Request - the request that will be formatted
|
|
|
|
RequestParameters - request parameter structur
|
|
|
|
DataLength - data transferred length
|
|
|
|
Return Value:
|
|
NTSTATUS
|
|
|
|
--*/
|
|
{
|
|
//AacsGenerateBindingNonce
|
|
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
PAACS_READ_BINDING_NONCE input = NULL;
|
|
PVOID outputBuffer = NULL;
|
|
|
|
PAGED_CODE();
|
|
|
|
*DataLength = 0;
|
|
|
|
status = WdfRequestRetrieveInputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.InputBufferLength,
|
|
(PVOID*)&input,
|
|
NULL);
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = WdfRequestRetrieveOutputBuffer(Request,
|
|
RequestParameters.Parameters.DeviceIoControl.OutputBufferLength,
|
|
(PVOID*)&outputBuffer,
|
|
NULL);
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
ULONG dataTransferLength = sizeof(CDVD_KEY_HEADER) + sizeof(AACS_BINDING_NONCE);
|
|
CDB cdb;
|
|
|
|
ScratchBuffer_BeginUse(DeviceExtension);
|
|
|
|
RtlZeroMemory(&cdb, sizeof(CDB));
|
|
// Set up the CDB
|
|
|
|
status = ScratchBuffer_ExecuteCdb(DeviceExtension, Request, dataTransferLength, TRUE, &cdb, 12);
|
|
|
|
#ifdef ENABLE_AACS_TESTING
|
|
static const UCHAR results[] = { 0x00, 0x22, 0x00, 0x00 };
|
|
static const UCHAR defaultFill = 0x37; // '7'
|
|
RtlFillMemory(DeviceExtension->ScratchContext.ScratchBuffer, 0x0024, defaultFill);
|
|
RtlCopyMemory(DeviceExtension->ScratchContext.ScratchBuffer, results, SIZEOF_ARRAY(results));
|
|
status = STATUS_SUCCESS;
|
|
#endif
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
PDVD_DESCRIPTOR_HEADER header = DeviceExtension->ScratchContext.ScratchBuffer;
|
|
ULONG dataLengthToCopy = sizeof(AACS_BINDING_NONCE);
|
|
|
|
// make length field native byte ordering
|
|
REVERSE_SHORT(&header->Length);
|
|
|
|
// exit if getting invalid data from the drive
|
|
if (header->Length < sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length))
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// adjust data length to reflect only the addition data
|
|
header->Length -= sizeof(DVD_DESCRIPTOR_HEADER) - RTL_SIZEOF_THROUGH_FIELD(DVD_DESCRIPTOR_HEADER, Length);
|
|
|
|
// exit if the drive is returning an unexpected data size
|
|
if (header->Length != dataLengthToCopy)
|
|
{
|
|
*DataLength = 0;
|
|
status = STATUS_IO_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
// else copy the data to the user's buffer
|
|
RtlCopyMemory(outputBuffer, header->Data, dataLengthToCopy);
|
|
*DataLength = dataLengthToCopy;
|
|
}
|
|
}
|
|
|
|
ScratchBuffer_EndUse(DeviceExtension);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|