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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
476 lines
9.3 KiB
C
476 lines
9.3 KiB
C
#ifndef CDFS_H
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#define CDFS_H
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#include <ntifs.h>
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#include <ntddk.h>
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#include <ntddcdrm.h>
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#define CDFS_BASIC_SECTOR 2048
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#define CDFS_PRIMARY_DESCRIPTOR_LOCATION 16
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#define BLOCKSIZE CDFS_BASIC_SECTOR
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#define CDFS_MAX_NAME_LEN 256
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/* Volume descriptor types (VdType) */
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#define BOOT_VOLUME_DESCRIPTOR_TYPE 0
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#define PRIMARY_VOLUME_DESCRIPTOR_TYPE 1
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#define SUPPLEMENTARY_VOLUME_DESCRIPTOR_TYPE 2
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#define VOLUME_PARTITION_DESCRIPTOR_TYPE 3
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#define VOLUME_DESCRIPTOR_SET_TERMINATOR 255
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#include <pshpack1.h>
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struct _DIR_RECORD
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{
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UCHAR RecordLength; // 1
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UCHAR ExtAttrRecordLength; // 2
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ULONG ExtentLocationL; // 3-6
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ULONG ExtentLocationM; // 7-10
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ULONG DataLengthL; // 11-14
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ULONG DataLengthM; // 15-18
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UCHAR Year; // 19
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UCHAR Month; // 20
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UCHAR Day; // 21
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UCHAR Hour; // 22
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UCHAR Minute; // 23
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UCHAR Second; // 24
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UCHAR TimeZone; // 25
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UCHAR FileFlags; // 26
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UCHAR FileUnitSize; // 27
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UCHAR InterleaveGapSize; // 28
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ULONG VolumeSequenceNumber; // 29-32
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UCHAR FileIdLength; // 33
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UCHAR FileId[1]; // 34
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};
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#include <poppack.h>
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typedef struct _DIR_RECORD DIR_RECORD, *PDIR_RECORD;
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/* DIR_RECORD.FileFlags */
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#define FILE_FLAG_HIDDEN 0x01
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#define FILE_FLAG_DIRECTORY 0x02
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#define FILE_FLAG_SYSTEM 0x04
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#define FILE_FLAG_READONLY 0x10
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/* Volume Descriptor header*/
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#include <pshpack1.h>
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struct _VD_HEADER
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{
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UCHAR VdType; // 1
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UCHAR StandardId[5]; // 2-6
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UCHAR VdVersion; // 7
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};
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typedef struct _VD_HEADER VD_HEADER, *PVD_HEADER;
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/* Primary Volume Descriptor */
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struct _PVD
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{
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UCHAR VdType; // 1
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UCHAR StandardId[5]; // 2-6
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UCHAR VdVersion; // 7
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UCHAR unused0; // 8
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UCHAR SystemId[32]; // 9-40
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UCHAR VolumeId[32]; // 41-72
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UCHAR unused1[8]; // 73-80
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ULONG VolumeSpaceSizeL; // 81-84
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ULONG VolumeSpaceSizeM; // 85-88
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UCHAR unused2[32]; // 89-120
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ULONG VolumeSetSize; // 121-124
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ULONG VolumeSequenceNumber; // 125-128
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ULONG LogicalBlockSize; // 129-132
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ULONG PathTableSizeL; // 133-136
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ULONG PathTableSizeM; // 137-140
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ULONG LPathTablePos; // 141-144
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ULONG LOptPathTablePos; // 145-148
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ULONG MPathTablePos; // 149-152
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ULONG MOptPathTablePos; // 153-156
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DIR_RECORD RootDirRecord; // 157-190
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UCHAR VolumeSetIdentifier[128]; // 191-318
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UCHAR PublisherIdentifier[128]; // 319-446
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/* more data ... */
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};
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typedef struct _PVD PVD, *PPVD;
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/* Supplementary Volume Descriptor */
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struct _SVD
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{
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UCHAR VdType; // 1
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UCHAR StandardId[5]; // 2-6
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UCHAR VdVersion; // 7
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UCHAR VolumeFlags; // 8
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UCHAR SystemId[32]; // 9-40
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UCHAR VolumeId[32]; // 41-72
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UCHAR unused1[8]; // 73-80
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ULONG VolumeSpaceSizeL; // 81-84
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ULONG VolumeSpaceSizeM; // 85-88
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UCHAR EscapeSequences[32]; // 89-120
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ULONG VolumeSetSize; // 121-124
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ULONG VolumeSequenceNumber; // 125-128
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ULONG LogicalBlockSize; // 129-132
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ULONG PathTableSizeL; // 133-136
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ULONG PathTableSizeM; // 137-140
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ULONG LPathTablePos; // 141-144
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ULONG LOptPathTablePos; // 145-148
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ULONG MPathTablePos; // 149-152
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ULONG MOptPathTablePos; // 153-156
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DIR_RECORD RootDirRecord; // 157-190
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UCHAR VolumeSetIdentifier[128]; // 191-318
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UCHAR PublisherIdentifier[128]; // 319-446
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// more data ...
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};
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#include <poppack.h>
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typedef struct _SVD SVD, *PSVD;
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typedef struct _CDINFO
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{
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ULONG VolumeOffset;
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ULONG VolumeSpaceSize;
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ULONG JolietLevel;
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ULONG RootStart;
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ULONG RootSize;
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WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH / sizeof(WCHAR)];
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USHORT VolumeLabelLength;
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ULONG SerialNumber;
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} CDINFO, *PCDINFO;
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typedef struct
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{
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ERESOURCE VcbResource;
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ERESOURCE DirResource;
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KSPIN_LOCK FcbListLock;
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LIST_ENTRY FcbListHead;
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PVPB Vpb;
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PDEVICE_OBJECT VolumeDevice;
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PDEVICE_OBJECT StorageDevice;
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PFILE_OBJECT StreamFileObject;
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CDINFO CdInfo;
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION, VCB, *PVCB;
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#define FCB_CACHE_INITIALIZED 0x0001
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#define FCB_IS_VOLUME_STREAM 0x0002
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#define FCB_IS_VOLUME 0x0004
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#define MAX_PATH 260
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typedef struct _CDFS_SHORT_NAME
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{
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LIST_ENTRY Entry;
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LARGE_INTEGER StreamOffset;
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UNICODE_STRING Name;
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WCHAR NameBuffer[13];
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} CDFS_SHORT_NAME, *PCDFS_SHORT_NAME;
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typedef struct _FCB
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{
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FSRTL_COMMON_FCB_HEADER RFCB;
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SECTION_OBJECT_POINTERS SectionObjectPointers;
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ERESOURCE MainResource;
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ERESOURCE PagingIoResource;
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PFILE_OBJECT FileObject;
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PDEVICE_EXTENSION DevExt;
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UNICODE_STRING ShortNameU;
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WCHAR *ObjectName; /* point on filename (250 chars max) in PathName */
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WCHAR PathName[MAX_PATH]; /* path+filename 260 max */
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WCHAR ShortNameBuffer[13];
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LIST_ENTRY FcbListEntry;
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struct _FCB* ParentFcb;
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ULONG DirIndex;
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LARGE_INTEGER IndexNumber; /* HighPart: Parent directory start sector */
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/* LowPart: Directory record offset in the parent directory file */
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LONG RefCount;
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ULONG Flags;
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DIR_RECORD Entry;
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ERESOURCE NameListResource;
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LIST_ENTRY ShortNameList;
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} FCB, *PFCB;
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typedef struct _CCB
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{
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LIST_ENTRY NextCCB;
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PFILE_OBJECT PtrFileObject;
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LARGE_INTEGER CurrentByteOffset;
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/* for DirectoryControl */
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ULONG Entry;
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ULONG Offset;
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/* for DirectoryControl */
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UNICODE_STRING DirectorySearchPattern;
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ULONG LastCluster;
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ULONG LastOffset;
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} CCB, *PCCB;
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#define TAG_CCB 'BCCI'
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#define TAG_FCB 'BCFI'
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typedef struct
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{
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PDRIVER_OBJECT DriverObject;
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PDEVICE_OBJECT DeviceObject;
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ULONG Flags;
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CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
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} CDFS_GLOBAL_DATA, *PCDFS_GLOBAL_DATA;
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extern PCDFS_GLOBAL_DATA CdfsGlobalData;
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/* cleanup.c */
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DRIVER_DISPATCH CdfsCleanup;
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NTSTATUS
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NTAPI
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CdfsCleanup(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* close.c */
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DRIVER_DISPATCH CdfsClose;
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NTSTATUS
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NTAPI
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CdfsClose(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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NTSTATUS
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CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
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PFILE_OBJECT FileObject);
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/* common.c */
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NTSTATUS
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CdfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
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IN ULONG DiskSector,
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IN ULONG SectorCount,
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IN OUT PUCHAR Buffer,
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IN BOOLEAN Override);
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NTSTATUS
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CdfsDeviceIoControl (IN PDEVICE_OBJECT DeviceObject,
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IN ULONG CtlCode,
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IN PVOID InputBuffer,
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IN ULONG InputBufferSize,
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IN OUT PVOID OutputBuffer,
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IN OUT PULONG pOutputBufferSize,
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IN BOOLEAN Override);
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/* create.c */
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DRIVER_DISPATCH CdfsCreate;
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NTSTATUS
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NTAPI
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CdfsCreate(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* devctrl.c */
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DRIVER_DISPATCH CdfsDeviceControl;
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NTSTATUS NTAPI
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CdfsDeviceControl(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* dirctl.c */
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DRIVER_DISPATCH CdfsDirectoryControl;
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NTSTATUS
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NTAPI
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CdfsDirectoryControl(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* fcb.c */
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PFCB
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CdfsCreateFCB(PCWSTR FileName);
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VOID
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CdfsDestroyFCB(PFCB Fcb);
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BOOLEAN
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CdfsFCBIsDirectory(PFCB Fcb);
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BOOLEAN
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CdfsFCBIsRoot(PFCB Fcb);
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VOID
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CdfsGrabFCB(PDEVICE_EXTENSION Vcb,
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PFCB Fcb);
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VOID
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CdfsReleaseFCB(PDEVICE_EXTENSION Vcb,
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PFCB Fcb);
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VOID
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CdfsAddFCBToTable(PDEVICE_EXTENSION Vcb,
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PFCB Fcb);
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PFCB
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CdfsGrabFCBFromTable(PDEVICE_EXTENSION Vcb,
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PUNICODE_STRING FileName);
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NTSTATUS
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CdfsFCBInitializeCache(PVCB Vcb,
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PFCB Fcb);
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PFCB
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CdfsMakeRootFCB(PDEVICE_EXTENSION Vcb);
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PFCB
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CdfsOpenRootFCB(PDEVICE_EXTENSION Vcb);
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NTSTATUS
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CdfsMakeFCBFromDirEntry(PVCB Vcb,
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PFCB DirectoryFCB,
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PWSTR LongName,
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PWSTR ShortName,
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PDIR_RECORD Record,
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ULONG DirectorySector,
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ULONG DirectoryOffset,
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PFCB * fileFCB);
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NTSTATUS
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CdfsAttachFCBToFileObject(PDEVICE_EXTENSION Vcb,
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PFCB Fcb,
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PFILE_OBJECT FileObject);
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NTSTATUS
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CdfsDirFindFile(PDEVICE_EXTENSION DeviceExt,
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PFCB DirectoryFcb,
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PUNICODE_STRING FileToFind,
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PFCB *FoundFCB);
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NTSTATUS
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CdfsGetFCBForFile(PDEVICE_EXTENSION Vcb,
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PFCB *pParentFCB,
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PFCB *pFCB,
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PUNICODE_STRING FileName);
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/* finfo.c */
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DRIVER_DISPATCH CdfsQueryInformation;
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NTSTATUS
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NTAPI
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CdfsQueryInformation(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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DRIVER_DISPATCH CdfsSetInformation;
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NTSTATUS
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NTAPI
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CdfsSetInformation(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* fsctl.c */
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DRIVER_DISPATCH CdfsFileSystemControl;
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NTSTATUS NTAPI
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CdfsFileSystemControl(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* misc.c */
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VOID
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CdfsSwapString(PWCHAR Out,
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PUCHAR In,
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ULONG Count);
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VOID
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CdfsDateTimeToSystemTime(PFCB Fcb,
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PLARGE_INTEGER SystemTime);
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VOID
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CdfsFileFlagsToAttributes(PFCB Fcb,
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PULONG FileAttributes);
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VOID
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CdfsShortNameCacheGet
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(PFCB DirectoryFcb,
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PLARGE_INTEGER StreamOffset,
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PUNICODE_STRING LongName,
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PUNICODE_STRING ShortName);
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/* rw.c */
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DRIVER_DISPATCH CdfsRead;
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NTSTATUS
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NTAPI
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CdfsRead(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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DRIVER_DISPATCH CdfsWrite;
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NTSTATUS
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NTAPI
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CdfsWrite(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* volinfo.c */
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DRIVER_DISPATCH CdfsQueryVolumeInformation;
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NTSTATUS
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NTAPI
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CdfsQueryVolumeInformation(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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DRIVER_DISPATCH CdfsSetVolumeInformation;
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NTSTATUS
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NTAPI
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CdfsSetVolumeInformation(PDEVICE_OBJECT DeviceObject,
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PIRP Irp);
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/* cdfs.c */
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NTSTATUS NTAPI
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DriverEntry(PDRIVER_OBJECT DriverObject,
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PUNICODE_STRING RegistryPath);
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BOOLEAN NTAPI
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CdfsAcquireForLazyWrite(IN PVOID Context,
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IN BOOLEAN Wait);
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VOID NTAPI
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CdfsReleaseFromLazyWrite(IN PVOID Context);
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#endif //CDFS_H
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