mirror of
https://github.com/uroni/urbackup_backend.git
synced 2025-10-26 11:36:50 +00:00
154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
#include "../../Interface/Types.h"
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#include "../filesystem.h"
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#ifndef sun
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#pragma pack(push)
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#endif
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#pragma pack(1)
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struct MFTAttribute
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{
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unsigned int type;
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unsigned int length;
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unsigned char nonresident;
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unsigned char name_lenght;
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unsigned short name_offset;
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unsigned short flags;
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unsigned short attribute_id;
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unsigned int attribute_length;
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unsigned short attribute_offset;
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unsigned char indexed_flag;
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unsigned char padding1;
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//char padding2[488];
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};
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struct MFTAttributeNonResident
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{
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unsigned int type;
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unsigned int lenght;
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unsigned char nonresident;
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unsigned char name_length;
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unsigned short name_offset;
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unsigned short flags;
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unsigned short attribute_id;
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uint64 starting_vnc;
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uint64 last_vnc;
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unsigned short run_offset;
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unsigned short compression_size;
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unsigned int padding;
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uint64 allocated_size;
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uint64 real_size;
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uint64 initial_size;
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};
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struct MFTAttributeFilename
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{
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uint64 parent_ref;
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uint64 ctime;
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uint64 atime;
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uint64 mtime;
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uint64 rtime;
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uint64 allocated_size;
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uint64 real_size;
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unsigned int flags;
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unsigned int reparse;
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unsigned char filename_length;
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unsigned char filename_namespace;
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};
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struct NTFSBootRecord
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{
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char jump[3];
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char magic[8];
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unsigned short bytespersector;
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unsigned char sectorspercluster;
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char unused1[7];
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unsigned char media_descriptor;
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char unused2[2];
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unsigned short sectorspertrack;
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unsigned short numberofheads;
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char unused3[8];
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char unknown[4];
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uint64 numberofsectors;
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uint64 mftlcn;
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uint64 mftmirrlcn;
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char clusterspermftrecord;
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char unused4[3];
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char clustersperindexrecord;
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char unused5[3];
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char volumeserialnumber[8];
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//char padding[432];
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};
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struct NTFSFileRecord
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{
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char magic[4];
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unsigned short sequence_offset;
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unsigned short sequence_size;
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uint64 lsn;
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unsigned short squence_number;
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unsigned short hardlink_count;
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unsigned short attribute_offset;
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unsigned short flags;
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unsigned int real_size;
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unsigned int allocated_size;
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uint64 base_record;
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unsigned short next_id;
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//char padding[470];
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};
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#ifndef sun
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#pragma pack(pop)
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#else
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#pragma pack()
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#endif
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struct RunlistItem
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{
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uint64 length;
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int64 offset;
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};
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class Runlist
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{
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public:
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Runlist(char *pData);
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void reset(void);
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bool getNext(RunlistItem &item);
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uint64 getSizeInClusters(void);
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uint64 getLCN(uint64 vcn);
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private:
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char *data;
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char *pos;
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};
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class IFile;
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class FSNTFS : public Filesystem
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{
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public:
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FSNTFS(const std::string &pDev, IFSImageFactory::EReadaheadMode read_ahead, bool background_priority, IFsNextBlockCallback* next_block_callback, bool check_mft_mirror=false, bool fix=false);
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FSNTFS(IFile *pDev, IFSImageFactory::EReadaheadMode read_ahead, bool background_priority, IFsNextBlockCallback* next_block_callback, bool check_mft_mirror=false, bool fix=false);
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~FSNTFS(void);
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int64 getBlocksize(void);
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virtual int64 getSize(void);
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const unsigned char * getBitmap(void);
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private:
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void init(bool check_mft_mirror, bool fix);
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unsigned char *bitmap;
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_u32 sectorRead(int64 pos, char *buffer, _u32 bsize);
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bool applyFixups(char *data, size_t datasize, char* fixups, size_t fixups_size);
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unsigned int sectorsize;
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unsigned int clustersize;
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uint64 drivesize;
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bool checkMFTMirror(unsigned int mftrecordsize, Runlist &mftrunlist, NTFSFileRecord &mft, bool fix);
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}; |