"Fossies" - the Fresh Open Source Software Archive

Member "unrar/archive.hpp" (4 May 2022, 3891 Bytes) of package /linux/misc/unrarsrc-6.1.7.tar.gz:

    1 #ifndef _RAR_ARCHIVE_
    2 #define _RAR_ARCHIVE_
    3 
    4 class PPack;
    5 class RawRead;
    6 class RawWrite;
    7 
    8 enum NOMODIFY_FLAGS 
    9 {
   10   NMDF_ALLOWLOCK=1,NMDF_ALLOWANYVOLUME=2,NMDF_ALLOWFIRSTVOLUME=4
   11 };
   12 
   13 enum RARFORMAT {RARFMT_NONE,RARFMT14,RARFMT15,RARFMT50,RARFMT_FUTURE};
   14 
   15 enum ADDSUBDATA_FLAGS
   16 {
   17   ASDF_SPLIT          = 1, // Allow to split archive just before header if necessary.
   18   ASDF_COMPRESS       = 2, // Allow to compress data following subheader.
   19   ASDF_CRYPT          = 4, // Encrypt data after subheader if password is set.
   20   ASDF_CRYPTIFHEADERS = 8  // Encrypt data after subheader only in -hp mode.
   21 };
   22 
   23 // RAR5 headers must not exceed 2 MB.
   24 #define MAX_HEADER_SIZE_RAR5 0x200000
   25 
   26 class Archive:public File
   27 {
   28   private:
   29     void UpdateLatestTime(FileHeader *CurBlock);
   30     void ConvertNameCase(wchar *Name);
   31     void ConvertFileHeader(FileHeader *hd);
   32     size_t ReadHeader14();
   33     size_t ReadHeader15();
   34     size_t ReadHeader50();
   35     void ProcessExtra50(RawRead *Raw,size_t ExtraSize,BaseBlock *bb);
   36     void RequestArcPassword();
   37     void UnexpEndArcMsg();
   38     void BrokenHeaderMsg();
   39     void UnkEncVerMsg(const wchar *Name,const wchar *Info);
   40     bool DoGetComment(Array<wchar> *CmtData);
   41     bool ReadCommentData(Array<wchar> *CmtData);
   42 
   43 #if !defined(RAR_NOCRYPT)
   44     CryptData HeadersCrypt;
   45 #endif
   46     ComprDataIO SubDataIO;
   47     bool DummyCmd;
   48     RAROptions *Cmd;
   49 
   50 
   51     RarTime LatestTime;
   52     int LastReadBlock;
   53     HEADER_TYPE CurHeaderType;
   54 
   55     bool SilentOpen;
   56 #ifdef USE_QOPEN
   57     QuickOpen QOpen;
   58     bool ProhibitQOpen;
   59 #endif
   60   public:
   61     Archive(RAROptions *InitCmd=NULL);
   62     ~Archive();
   63     static RARFORMAT IsSignature(const byte *D,size_t Size);
   64     bool IsArchive(bool EnableBroken);
   65     size_t SearchBlock(HEADER_TYPE HeaderType);
   66     size_t SearchSubBlock(const wchar *Type);
   67     size_t SearchRR();
   68     size_t ReadHeader();
   69     void CheckArc(bool EnableBroken);
   70     void CheckOpen(const wchar *Name);
   71     bool WCheckOpen(const wchar *Name);
   72     bool GetComment(Array<wchar> *CmtData);
   73     void ViewComment();
   74     void SetLatestTime(RarTime *NewTime);
   75     void SeekToNext();
   76     bool CheckAccess();
   77     bool IsArcDir();
   78     void ConvertAttributes();
   79     void VolSubtractHeaderSize(size_t SubSize);
   80     uint FullHeaderSize(size_t Size);
   81     int64 GetStartPos();
   82     void AddSubData(byte *SrcData,uint64 DataSize,File *SrcFile,
   83          const wchar *Name,uint Flags);
   84     bool ReadSubData(Array<byte> *UnpData,File *DestFile,bool TestMode);
   85     HEADER_TYPE GetHeaderType() {return CurHeaderType;}
   86     RAROptions* GetRAROptions() {return Cmd;}
   87     void SetSilentOpen(bool Mode) {SilentOpen=Mode;}
   88 #if 0
   89     void GetRecoveryInfo(bool Required,int64 *Size,int *Percent);
   90 #endif
   91 #ifdef USE_QOPEN
   92     bool Open(const wchar *Name,uint Mode=FMF_READ);
   93     int Read(void *Data,size_t Size);
   94     void Seek(int64 Offset,int Method);
   95     int64 Tell();
   96     void QOpenUnload() {QOpen.Unload();}
   97     void SetProhibitQOpen(bool Mode) {ProhibitQOpen=Mode;}
   98 #endif
   99 
  100     BaseBlock ShortBlock;
  101     MarkHeader MarkHead;
  102     MainHeader MainHead;
  103     CryptHeader CryptHead;
  104     FileHeader FileHead;
  105     EndArcHeader EndArcHead;
  106     SubBlockHeader SubBlockHead;
  107     FileHeader SubHead;
  108     CommentHeader CommHead;
  109     ProtectHeader ProtectHead;
  110     UnixOwnersHeader UOHead;
  111     EAHeader EAHead;
  112     StreamHeader StreamHead;
  113 
  114     int64 CurBlockPos;
  115     int64 NextBlockPos;
  116 
  117     RARFORMAT Format;
  118     bool Solid;
  119     bool Volume;
  120     bool MainComment;
  121     bool Locked;
  122     bool Signed;
  123     bool FirstVolume;
  124     bool NewNumbering;
  125     bool Protected;
  126     bool Encrypted;
  127     size_t SFXSize;
  128     bool BrokenHeader;
  129     bool FailedHeaderDecryption;
  130 
  131 #if !defined(RAR_NOCRYPT)
  132     byte ArcSalt[SIZE_SALT50];
  133 #endif
  134 
  135     bool Splitting;
  136 
  137     uint VolNumber;
  138     int64 VolWrite;
  139     uint64 AddingFilesSize;
  140     uint64 AddingHeadersSize;
  141 
  142     bool NewArchive;
  143 
  144     wchar FirstVolumeName[NM];
  145 };
  146 
  147 
  148 #endif