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149 lines
3.8 KiB
C++
149 lines
3.8 KiB
C++
#ifndef _RAR_ARCHIVE_
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#define _RAR_ARCHIVE_
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class PPack;
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class RawRead;
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class RawWrite;
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enum NOMODIFY_FLAGS
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{
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NMDF_ALLOWLOCK=1,NMDF_ALLOWANYVOLUME=2,NMDF_ALLOWFIRSTVOLUME=4
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};
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enum RARFORMAT {RARFMT_NONE,RARFMT14,RARFMT15,RARFMT50,RARFMT_FUTURE};
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enum ADDSUBDATA_FLAGS
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{
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ASDF_SPLIT = 1, // Allow to split archive just before header if necessary.
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ASDF_COMPRESS = 2, // Allow to compress data following subheader.
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ASDF_CRYPT = 4, // Encrypt data after subheader if password is set.
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ASDF_CRYPTIFHEADERS = 8 // Encrypt data after subheader only in -hp mode.
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};
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// RAR5 headers must not exceed 2 MB.
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#define MAX_HEADER_SIZE_RAR5 0x200000
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class Archive:public File
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{
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private:
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void UpdateLatestTime(FileHeader *CurBlock);
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void ConvertNameCase(wchar *Name);
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void ConvertFileHeader(FileHeader *hd);
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size_t ReadHeader14();
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size_t ReadHeader15();
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size_t ReadHeader50();
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void ProcessExtra50(RawRead *Raw,size_t ExtraSize,BaseBlock *bb);
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void RequestArcPassword();
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void UnexpEndArcMsg();
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void BrokenHeaderMsg();
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void UnkEncVerMsg(const wchar *Name,const wchar *Info);
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bool DoGetComment(Array<wchar> *CmtData);
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bool ReadCommentData(Array<wchar> *CmtData);
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#if !defined(RAR_NOCRYPT)
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CryptData HeadersCrypt;
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#endif
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ComprDataIO SubDataIO;
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bool DummyCmd;
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RAROptions *Cmd;
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RarTime LatestTime;
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int LastReadBlock;
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HEADER_TYPE CurHeaderType;
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bool SilentOpen;
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#ifdef USE_QOPEN
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QuickOpen QOpen;
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bool ProhibitQOpen;
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#endif
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public:
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Archive(RAROptions *InitCmd=NULL);
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~Archive();
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static RARFORMAT IsSignature(const byte *D,size_t Size);
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bool IsArchive(bool EnableBroken);
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size_t SearchBlock(HEADER_TYPE HeaderType);
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size_t SearchSubBlock(const wchar *Type);
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size_t SearchRR();
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size_t ReadHeader();
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void CheckArc(bool EnableBroken);
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void CheckOpen(const wchar *Name);
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bool WCheckOpen(const wchar *Name);
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bool GetComment(Array<wchar> *CmtData);
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void ViewComment();
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void SetLatestTime(RarTime *NewTime);
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void SeekToNext();
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bool CheckAccess();
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bool IsArcDir();
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void ConvertAttributes();
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void VolSubtractHeaderSize(size_t SubSize);
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uint FullHeaderSize(size_t Size);
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int64 GetStartPos();
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void AddSubData(byte *SrcData,uint64 DataSize,File *SrcFile,
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const wchar *Name,uint Flags);
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bool ReadSubData(Array<byte> *UnpData,File *DestFile,bool TestMode);
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HEADER_TYPE GetHeaderType() {return CurHeaderType;}
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RAROptions* GetRAROptions() {return Cmd;}
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void SetSilentOpen(bool Mode) {SilentOpen=Mode;}
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#if 0
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void GetRecoveryInfo(bool Required,int64 *Size,int *Percent);
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#endif
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#ifdef USE_QOPEN
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bool Open(const wchar *Name,uint Mode=FMF_READ);
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int Read(void *Data,size_t Size);
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void Seek(int64 Offset,int Method);
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int64 Tell();
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void QOpenUnload() {QOpen.Unload();}
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void SetProhibitQOpen(bool Mode) {ProhibitQOpen=Mode;}
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#endif
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BaseBlock ShortBlock;
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MarkHeader MarkHead;
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MainHeader MainHead;
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CryptHeader CryptHead;
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FileHeader FileHead;
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EndArcHeader EndArcHead;
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SubBlockHeader SubBlockHead;
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FileHeader SubHead;
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CommentHeader CommHead;
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ProtectHeader ProtectHead;
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UnixOwnersHeader UOHead;
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EAHeader EAHead;
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StreamHeader StreamHead;
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int64 CurBlockPos;
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int64 NextBlockPos;
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RARFORMAT Format;
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bool Solid;
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bool Volume;
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bool MainComment;
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bool Locked;
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bool Signed;
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bool FirstVolume;
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bool NewNumbering;
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bool Protected;
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bool Encrypted;
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size_t SFXSize;
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bool BrokenHeader;
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bool FailedHeaderDecryption;
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#if !defined(RAR_NOCRYPT)
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byte ArcSalt[SIZE_SALT50];
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#endif
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bool Splitting;
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uint VolNumber;
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int64 VolWrite;
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uint64 AddingFilesSize;
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uint64 AddingHeadersSize;
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bool NewArchive;
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wchar FirstVolumeName[NM];
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};
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#endif
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