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#include "rar.hpp"
MKDIR_CODE MakeDir(const wchar *Name,bool SetAttr,uint Attr)
{
#ifdef _WIN_ALL
// Windows automatically removes dots and spaces in the end of directory
// name. So we detect such names and process them with \\?\ prefix.
wchar *LastChar=PointToLastChar(Name);
bool Special=*LastChar=='.' || *LastChar==' ';
BOOL RetCode=Special ? FALSE : CreateDirectory(Name,NULL);
if (RetCode==0 && !FileExist(Name))
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
RetCode=CreateDirectory(LongName,NULL);
}
if (RetCode!=0) // Non-zero return code means success for CreateDirectory.
{
if (SetAttr)
SetFileAttr(Name,Attr);
return MKDIR_SUCCESS;
}
int ErrCode=GetLastError();
if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
return MKDIR_BADPATH;
return MKDIR_ERROR;
#elif defined(_UNIX)
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
mode_t uattr=SetAttr ? (mode_t)Attr:0777;
int ErrCode=mkdir(NameA,uattr);
if (ErrCode==-1)
return errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR;
return MKDIR_SUCCESS;
#else
return MKDIR_ERROR;
#endif
}
bool CreatePath(const wchar *Path,bool SkipLastName)
{
if (Path==NULL || *Path==0)
return false;
#if defined(_WIN_ALL) || defined(_EMX)
uint DirAttr=0;
#else
uint DirAttr=0777;
#endif
bool Success=true;
for (const wchar *s=Path;*s!=0;s++)
{
wchar DirName[NM];
if (s-Path>=ASIZE(DirName))
break;
// Process all kinds of path separators, so user can enter Unix style
// path in Windows or Windows in Unix. s>Path check avoids attempting
// creating an empty directory for paths starting from path separator.
if (IsPathDiv(*s) && s>Path)
{
#ifdef _WIN_ALL
// We must not attempt to create "D:" directory, because first
// CreateDirectory will fail, so we'll use \\?\D:, which forces Wine
// to create "D:" directory.
if (s==Path+2 && Path[1]==':')
continue;
#endif
wcsncpy(DirName,Path,s-Path);
DirName[s-Path]=0;
Success=MakeDir(DirName,true,DirAttr)==MKDIR_SUCCESS;
if (Success)
{
mprintf(St(MCreatDir),DirName);
mprintf(L" %s",St(MOk));
}
}
}
if (!SkipLastName && !IsPathDiv(*PointToLastChar(Path)))
Success=MakeDir(Path,true,DirAttr)==MKDIR_SUCCESS;
return Success;
}
void SetDirTime(const wchar *Name,RarTime *ftm,RarTime *ftc,RarTime *fta)
{
#if defined(_WIN_ALL)
bool sm=ftm!=NULL && ftm->IsSet();
bool sc=ftc!=NULL && ftc->IsSet();
bool sa=fta!=NULL && fta->IsSet();
uint DirAttr=GetFileAttr(Name);
bool ResetAttr=(DirAttr!=0xffffffff && (DirAttr & FILE_ATTRIBUTE_READONLY)!=0);
if (ResetAttr)
SetFileAttr(Name,0);
HANDLE hFile=CreateFile(Name,GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
if (hFile==INVALID_HANDLE_VALUE)
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
hFile=CreateFile(LongName,GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
}
if (hFile==INVALID_HANDLE_VALUE)
return;
FILETIME fm,fc,fa;
if (sm)
ftm->GetWinFT(&fm);
if (sc)
ftc->GetWinFT(&fc);
if (sa)
fta->GetWinFT(&fa);
SetFileTime(hFile,sc ? &fc:NULL,sa ? &fa:NULL,sm ? &fm:NULL);
CloseHandle(hFile);
if (ResetAttr)
SetFileAttr(Name,DirAttr);
#endif
#if defined(_UNIX) || defined(_EMX)
File::SetCloseFileTimeByName(Name,ftm,fta);
#endif
}
bool IsRemovable(const wchar *Name)
{
#if defined(_WIN_ALL)
wchar Root[NM];
GetPathRoot(Name,Root,ASIZE(Root));
int Type=GetDriveType(*Root!=0 ? Root:NULL);
return Type==DRIVE_REMOVABLE || Type==DRIVE_CDROM;
#else
return false;
#endif
}
#ifndef SFX_MODULE
int64 GetFreeDisk(const wchar *Name)
{
#ifdef _WIN_ALL
wchar Root[NM];
GetFilePath(Name,Root,ASIZE(Root));
ULARGE_INTEGER uiTotalSize,uiTotalFree,uiUserFree;
uiUserFree.u.LowPart=uiUserFree.u.HighPart=0;
if (GetDiskFreeSpaceEx(*Root!=0 ? Root:NULL,&uiUserFree,&uiTotalSize,&uiTotalFree) &&
uiUserFree.u.HighPart<=uiTotalFree.u.HighPart)
return INT32TO64(uiUserFree.u.HighPart,uiUserFree.u.LowPart);
return 0;
#elif defined(_UNIX)
wchar Root[NM];
GetFilePath(Name,Root,ASIZE(Root));
char RootA[NM];
WideToChar(Root,RootA,ASIZE(RootA));
struct statvfs sfs;
if (statvfs(*RootA!=0 ? RootA:".",&sfs)!=0)
return 0;
int64 FreeSize=sfs.f_bsize;
FreeSize=FreeSize*sfs.f_bavail;
return FreeSize;
#else
return 0;
#endif
}
#endif
#if defined(_WIN_ALL) && !defined(SFX_MODULE) && !defined(SILENT)
// Return 'true' for FAT and FAT32, so we can adjust the maximum supported
// file size to 4 GB for these file systems.
bool IsFAT(const wchar *Name)
{
wchar Root[NM];
GetPathRoot(Name,Root,ASIZE(Root));
wchar FileSystem[MAX_PATH+1];
if (GetVolumeInformation(Root,NULL,0,NULL,NULL,NULL,FileSystem,ASIZE(FileSystem)))
return wcscmp(FileSystem,L"FAT")==0 || wcscmp(FileSystem,L"FAT32")==0;
return false;
}
#endif
bool FileExist(const wchar *Name)
{
#ifdef _WIN_ALL
return GetFileAttr(Name)!=0xffffffff;
#elif defined(ENABLE_ACCESS)
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
return access(NameA,0)==0;
#else
FindData FD;
return FindFile::FastFind(Name,&FD);
#endif
}
bool WildFileExist(const wchar *Name)
{
if (IsWildcard(Name))
{
FindFile Find;
Find.SetMask(Name);
FindData fd;
return Find.Next(&fd);
}
return FileExist(Name);
}
bool IsDir(uint Attr)
{
#ifdef _WIN_ALL
return Attr!=0xffffffff && (Attr & FILE_ATTRIBUTE_DIRECTORY)!=0;
#endif
#if defined(_UNIX)
return (Attr & 0xF000)==0x4000;
#endif
}
bool IsUnreadable(uint Attr)
{
#if defined(_UNIX) && defined(S_ISFIFO) && defined(S_ISSOCK) && defined(S_ISCHR)
return S_ISFIFO(Attr) || S_ISSOCK(Attr) || S_ISCHR(Attr);
#endif
return false;
}
bool IsLink(uint Attr)
{
#ifdef _UNIX
return (Attr & 0xF000)==0xA000;
#elif defined(_WIN_ALL)
return (Attr & FILE_ATTRIBUTE_REPARSE_POINT)!=0;
#else
return false;
#endif
}
bool IsDeleteAllowed(uint FileAttr)
{
#ifdef _WIN_ALL
return (FileAttr & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_SYSTEM|FILE_ATTRIBUTE_HIDDEN))==0;
#else
return (FileAttr & (S_IRUSR|S_IWUSR))==(S_IRUSR|S_IWUSR);
#endif
}
void PrepareToDelete(const wchar *Name)
{
#if defined(_WIN_ALL) || defined(_EMX)
SetFileAttr(Name,0);
#endif
#ifdef _UNIX
if (Name!=NULL)
{
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
chmod(NameA,S_IRUSR|S_IWUSR|S_IXUSR);
}
#endif
}
uint GetFileAttr(const wchar *Name)
{
#ifdef _WIN_ALL
DWORD Attr=GetFileAttributes(Name);
if (Attr==0xffffffff)
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
Attr=GetFileAttributes(LongName);
}
return Attr;
#else
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
struct stat st;
if (stat(NameA,&st)!=0)
return 0;
return st.st_mode;
#endif
}
bool SetFileAttr(const wchar *Name,uint Attr)
{
#ifdef _WIN_ALL
bool Success=SetFileAttributes(Name,Attr)!=0;
if (!Success)
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
Success=SetFileAttributes(LongName,Attr)!=0;
}
return Success;
#elif defined(_UNIX)
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
return chmod(NameA,(mode_t)Attr)==0;
#else
return false;
#endif
}
#if 0
wchar *MkTemp(wchar *Name,size_t MaxSize)
{
size_t Length=wcslen(Name);
RarTime CurTime;
CurTime.SetCurrentTime();
// We cannot use CurTime.GetWin() as is, because its lowest bits can
// have low informational value, like being a zero or few fixed numbers.
uint Random=(uint)(CurTime.GetWin()/100000);
// Using PID we guarantee that different RAR copies use different temp names
// even if started in exactly the same time.
uint PID=0;
#ifdef _WIN_ALL
PID=(uint)GetCurrentProcessId();
#elif defined(_UNIX)
PID=(uint)getpid();
#endif
for (uint Attempt=0;;Attempt++)
{
uint Ext=Random%50000+Attempt;
wchar RndText[50];
swprintf(RndText,ASIZE(RndText),L"%u.%03u",PID,Ext);
if (Length+wcslen(RndText)>=MaxSize || Attempt==1000)
return NULL;
wcscpy(Name+Length,RndText);
if (!FileExist(Name))
break;
}
return Name;
}
#endif
#if !defined(SFX_MODULE)
void CalcFileSum(File *SrcFile,uint *CRC32,byte *Blake2,uint Threads,int64 Size,uint Flags)
{
SaveFilePos SavePos(*SrcFile);
#ifndef SILENT
int64 FileLength=Size==INT64NDF ? SrcFile->FileLength() : Size;
#endif
if ((Flags & (CALCFSUM_SHOWTEXT|CALCFSUM_SHOWPERCENT))!=0)
uiMsg(UIEVENT_FILESUMSTART);
if ((Flags & CALCFSUM_CURPOS)==0)
SrcFile->Seek(0,SEEK_SET);
const size_t BufSize=0x100000;
Array<byte> Data(BufSize);
DataHash HashCRC,HashBlake2;
HashCRC.Init(HASH_CRC32,Threads);
HashBlake2.Init(HASH_BLAKE2,Threads);
int64 BlockCount=0;
int64 TotalRead=0;
while (true)
{
size_t SizeToRead;
if (Size==INT64NDF) // If we process the entire file.
SizeToRead=BufSize; // Then always attempt to read the entire buffer.
else
SizeToRead=(size_t)Min((int64)BufSize,Size);
int ReadSize=SrcFile->Read(&Data[0],SizeToRead);
if (ReadSize==0)
break;
TotalRead+=ReadSize;
if ((++BlockCount & 0xf)==0)
{
#ifndef SILENT
if ((Flags & CALCFSUM_SHOWPROGRESS)!=0)
uiExtractProgress(TotalRead,FileLength,TotalRead,FileLength);
else
{
if ((Flags & CALCFSUM_SHOWPERCENT)!=0)
uiMsg(UIEVENT_FILESUMPROGRESS,ToPercent(TotalRead,FileLength));
}
#endif
Wait();
}
if (CRC32!=NULL)
HashCRC.Update(&Data[0],ReadSize);
if (Blake2!=NULL)
HashBlake2.Update(&Data[0],ReadSize);
if (Size!=INT64NDF)
Size-=ReadSize;
}
if ((Flags & CALCFSUM_SHOWPERCENT)!=0)
uiMsg(UIEVENT_FILESUMEND);
if (CRC32!=NULL)
*CRC32=HashCRC.GetCRC32();
if (Blake2!=NULL)
{
HashValue Result;
HashBlake2.Result(&Result);
memcpy(Blake2,Result.Digest,sizeof(Result.Digest));
}
}
#endif
bool RenameFile(const wchar *SrcName,const wchar *DestName)
{
#ifdef _WIN_ALL
bool Success=MoveFile(SrcName,DestName)!=0;
if (!Success)
{
wchar LongName1[NM],LongName2[NM];
if (GetWinLongPath(SrcName,LongName1,ASIZE(LongName1)) &&
GetWinLongPath(DestName,LongName2,ASIZE(LongName2)))
Success=MoveFile(LongName1,LongName2)!=0;
}
return Success;
#else
char SrcNameA[NM],DestNameA[NM];
WideToChar(SrcName,SrcNameA,ASIZE(SrcNameA));
WideToChar(DestName,DestNameA,ASIZE(DestNameA));
bool Success=rename(SrcNameA,DestNameA)==0;
return Success;
#endif
}
bool DelFile(const wchar *Name)
{
#ifdef _WIN_ALL
bool Success=DeleteFile(Name)!=0;
if (!Success)
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
Success=DeleteFile(LongName)!=0;
}
return Success;
#else
char NameA[NM];
WideToChar(Name,NameA,ASIZE(NameA));
bool Success=remove(NameA)==0;
return Success;
#endif
}
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
bool SetFileCompression(const wchar *Name,bool State)
{
HANDLE hFile=CreateFile(Name,FILE_READ_DATA|FILE_WRITE_DATA,
FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_SEQUENTIAL_SCAN,NULL);
if (hFile==INVALID_HANDLE_VALUE)
{
wchar LongName[NM];
if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
hFile=CreateFile(LongName,FILE_READ_DATA|FILE_WRITE_DATA,
FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_SEQUENTIAL_SCAN,NULL);
}
if (hFile==INVALID_HANDLE_VALUE)
return false;
SHORT NewState=State ? COMPRESSION_FORMAT_DEFAULT:COMPRESSION_FORMAT_NONE;
DWORD Result;
int RetCode=DeviceIoControl(hFile,FSCTL_SET_COMPRESSION,&NewState,
sizeof(NewState),NULL,0,&Result,NULL);
CloseHandle(hFile);
return RetCode!=0;
}
#endif