mirror of
https://github.com/hashcat/hashcat
synced 2024-11-28 05:21:38 +01:00
112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
#include "rar.hpp"
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#include "recvol3.cpp"
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#include "recvol5.cpp"
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bool RecVolumesRestore(RAROptions *Cmd,const wchar *Name,bool Silent)
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{
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Archive Arc(Cmd);
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if (!Arc.Open(Name))
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{
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if (!Silent)
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ErrHandler.OpenErrorMsg(Name);
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return false;
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}
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RARFORMAT Fmt=RARFMT15;
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if (Arc.IsArchive(true))
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Fmt=Arc.Format;
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else
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{
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byte Sign[REV5_SIGN_SIZE];
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Arc.Seek(0,SEEK_SET);
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if (Arc.Read(Sign,REV5_SIGN_SIZE)==REV5_SIGN_SIZE && memcmp(Sign,REV5_SIGN,REV5_SIGN_SIZE)==0)
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Fmt=RARFMT50;
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}
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Arc.Close();
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// We define RecVol as local variable for proper stack unwinding when
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// handling exceptions. So it can close and delete files on Cancel.
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if (Fmt==RARFMT15)
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{
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RecVolumes3 RecVol(Cmd,false);
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return RecVol.Restore(Cmd,Name,Silent);
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}
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else
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{
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RecVolumes5 RecVol(Cmd,false);
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return RecVol.Restore(Cmd,Name,Silent);
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}
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}
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void RecVolumesTest(RAROptions *Cmd,Archive *Arc,const wchar *Name)
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{
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wchar RevName[NM];
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*RevName=0;
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if (Arc!=NULL)
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{
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// We received .rar or .exe volume as a parameter, trying to find
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// the matching .rev file number 1.
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bool NewNumbering=Arc->NewNumbering;
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wchar ArcName[NM];
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wcsncpyz(ArcName,Name,ASIZE(ArcName));
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wchar *VolNumStart=VolNameToFirstName(ArcName,ArcName,ASIZE(ArcName),NewNumbering);
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wchar RecVolMask[NM];
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wcsncpyz(RecVolMask,ArcName,ASIZE(RecVolMask));
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size_t BaseNamePartLength=VolNumStart-ArcName;
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wcsncpyz(RecVolMask+BaseNamePartLength,L"*.rev",ASIZE(RecVolMask)-BaseNamePartLength);
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FindFile Find;
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Find.SetMask(RecVolMask);
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FindData RecData;
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while (Find.Next(&RecData))
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{
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wchar *Num=GetVolNumPart(RecData.Name);
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if (*Num!='1') // Name must have "0...01" numeric part.
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continue;
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bool FirstVol=true;
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while (--Num>=RecData.Name && IsDigit(*Num))
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if (*Num!='0')
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{
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FirstVol=false;
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break;
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}
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if (FirstVol)
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{
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wcsncpyz(RevName,RecData.Name,ASIZE(RevName));
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Name=RevName;
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break;
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}
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}
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if (*RevName==0) // First .rev file not found.
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return;
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}
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File RevFile;
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if (!RevFile.Open(Name))
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{
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ErrHandler.OpenErrorMsg(Name); // It also sets RARX_OPEN.
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return;
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}
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mprintf(L"\n");
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byte Sign[REV5_SIGN_SIZE];
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bool Rev5=RevFile.Read(Sign,REV5_SIGN_SIZE)==REV5_SIGN_SIZE && memcmp(Sign,REV5_SIGN,REV5_SIGN_SIZE)==0;
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RevFile.Close();
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if (Rev5)
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{
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RecVolumes5 RecVol(Cmd,true);
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RecVol.Test(Cmd,Name);
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}
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else
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{
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RecVolumes3 RecVol(Cmd,true);
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RecVol.Test(Cmd,Name);
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}
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}
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