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hashcat/deps/unrar/pathfn.cpp
Jens Steube f4ca10b116 Updated unrar source from 5.9.4 to 6.0.5
2021-05-15 11:31:42 +02:00

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24 KiB
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#include "rar.hpp"
wchar* PointToName(const wchar *Path)
{
for (int I=(int)wcslen(Path)-1;I>=0;I--)
if (IsPathDiv(Path[I]))
return (wchar*)&Path[I+1];
return (wchar*)((*Path && IsDriveDiv(Path[1])) ? Path+2:Path);
}
wchar* PointToLastChar(const wchar *Path)
{
size_t Length=wcslen(Path);
return (wchar*)(Length>0 ? Path+Length-1:Path);
}
wchar* ConvertPath(const wchar *SrcPath,wchar *DestPath,size_t DestSize)
{
const wchar *DestPtr=SrcPath;
// Prevent \..\ in any part of path string.
for (const wchar *s=DestPtr;*s!=0;s++)
if (IsPathDiv(s[0]) && s[1]=='.' && s[2]=='.' && IsPathDiv(s[3]))
DestPtr=s+4;
// Remove any amount of <d>:\ and any sequence of . and \ in the beginning of path string.
while (*DestPtr!=0)
{
const wchar *s=DestPtr;
if (s[0]!=0 && IsDriveDiv(s[1]))
s+=2;
if (s[0]=='\\' && s[1]=='\\')
{
const wchar *Slash=wcschr(s+2,'\\');
if (Slash!=NULL && (Slash=wcschr(Slash+1,'\\'))!=NULL)
s=Slash+1;
}
for (const wchar *t=s;*t!=0;t++)
if (IsPathDiv(*t))
s=t+1;
else
if (*t!='.')
break;
if (s==DestPtr)
break;
DestPtr=s;
}
// Code above does not remove last "..", doing here.
if (DestPtr[0]=='.' && DestPtr[1]=='.' && DestPtr[2]==0)
DestPtr+=2;
if (DestPath!=NULL)
{
// SrcPath and DestPath can point to same memory area,
// so we use the temporary buffer for copying.
wchar TmpStr[NM];
wcsncpyz(TmpStr,DestPtr,ASIZE(TmpStr));
wcsncpyz(DestPath,TmpStr,DestSize);
}
return (wchar *)DestPtr;
}
void SetName(wchar *FullName,const wchar *Name,size_t MaxSize)
{
wchar *NamePtr=PointToName(FullName);
wcsncpyz(NamePtr,Name,MaxSize-(NamePtr-FullName));
}
void SetExt(wchar *Name,const wchar *NewExt,size_t MaxSize)
{
if (Name==NULL || *Name==0)
return;
wchar *Dot=GetExt(Name);
if (Dot!=NULL)
*Dot=0;
if (NewExt!=NULL)
{
wcsncatz(Name,L".",MaxSize);
wcsncatz(Name,NewExt,MaxSize);
}
}
#ifndef SFX_MODULE
void SetSFXExt(wchar *SFXName,size_t MaxSize)
{
if (SFXName==NULL || *SFXName==0)
return;
#ifdef _UNIX
SetExt(SFXName,L"sfx",MaxSize);
#endif
#if defined(_WIN_ALL) || defined(_EMX)
SetExt(SFXName,L"exe",MaxSize);
#endif
}
#endif
// 'Ext' is an extension with the leading dot, like L".rar".
wchar *GetExt(const wchar *Name)
{
return Name==NULL ? NULL:wcsrchr(PointToName(Name),'.');
}
// 'Ext' is an extension without the leading dot, like L"rar".
bool CmpExt(const wchar *Name,const wchar *Ext)
{
wchar *NameExt=GetExt(Name);
return NameExt!=NULL && wcsicomp(NameExt+1,Ext)==0;
}
bool IsWildcard(const wchar *Str)
{
if (Str==NULL)
return false;
#ifdef _WIN_ALL
// Not treat the special NTFS \\?\d: path prefix as a wildcard.
if (Str[0]=='\\' && Str[1]=='\\' && Str[2]=='?' && Str[3]=='\\')
Str+=4;
#endif
return wcspbrk(Str,L"*?")!=NULL;
}
bool IsPathDiv(int Ch)
{
#ifdef _WIN_ALL
return Ch=='\\' || Ch=='/';
#else
return Ch==CPATHDIVIDER;
#endif
}
bool IsDriveDiv(int Ch)
{
#ifdef _UNIX
return false;
#else
return Ch==':';
#endif
}
bool IsDriveLetter(const wchar *Path)
{
wchar Letter=etoupperw(Path[0]);
return Letter>='A' && Letter<='Z' && IsDriveDiv(Path[1]);
}
int GetPathDisk(const wchar *Path)
{
if (IsDriveLetter(Path))
return etoupperw(*Path)-'A';
else
return -1;
}
void AddEndSlash(wchar *Path,size_t MaxLength)
{
size_t Length=wcslen(Path);
if (Length>0 && Path[Length-1]!=CPATHDIVIDER && Length+1<MaxLength)
{
Path[Length]=CPATHDIVIDER;
Path[Length+1]=0;
}
}
void MakeName(const wchar *Path,const wchar *Name,wchar *Pathname,size_t MaxSize)
{
// 'Path', 'Name' and 'Pathname' can point to same memory area. So we use
// the temporary buffer instead of constructing the name in 'Pathname'.
wchar OutName[NM];
wcsncpyz(OutName,Path,ASIZE(OutName));
AddEndSlash(OutName,ASIZE(OutName));
wcsncatz(OutName,Name,ASIZE(OutName));
wcsncpyz(Pathname,OutName,MaxSize);
}
// Returns file path including the trailing path separator symbol.
void GetFilePath(const wchar *FullName,wchar *Path,size_t MaxLength)
{
if (MaxLength==0)
return;
size_t PathLength=Min(MaxLength-1,size_t(PointToName(FullName)-FullName));
wcsncpy(Path,FullName,PathLength);
Path[PathLength]=0;
}
// Removes name and returns file path without the trailing
// path separator symbol.
void RemoveNameFromPath(wchar *Path)
{
wchar *Name=PointToName(Path);
if (Name>=Path+2 && (!IsDriveDiv(Path[1]) || Name>=Path+4))
Name--;
*Name=0;
}
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
bool GetAppDataPath(wchar *Path,size_t MaxSize,bool Create)
{
LPMALLOC g_pMalloc;
SHGetMalloc(&g_pMalloc);
LPITEMIDLIST ppidl;
*Path=0;
bool Success=false;
if (SHGetSpecialFolderLocation(NULL,CSIDL_APPDATA,&ppidl)==NOERROR &&
SHGetPathFromIDList(ppidl,Path) && *Path!=0)
{
AddEndSlash(Path,MaxSize);
wcsncatz(Path,L"WinRAR",MaxSize);
Success=FileExist(Path);
if (!Success && Create)
Success=MakeDir(Path,false,0)==MKDIR_SUCCESS;
}
g_pMalloc->Free(ppidl);
return Success;
}
#endif
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
void GetRarDataPath(wchar *Path,size_t MaxSize,bool Create)
{
*Path=0;
HKEY hKey;
if (RegOpenKeyEx(HKEY_CURRENT_USER,L"Software\\WinRAR\\Paths",0,
KEY_QUERY_VALUE,&hKey)==ERROR_SUCCESS)
{
DWORD DataSize=(DWORD)MaxSize,Type;
RegQueryValueEx(hKey,L"AppData",0,&Type,(BYTE *)Path,&DataSize);
RegCloseKey(hKey);
}
if (*Path==0 || !FileExist(Path))
if (!GetAppDataPath(Path,MaxSize,Create))
{
GetModuleFileName(NULL,Path,(DWORD)MaxSize);
RemoveNameFromPath(Path);
}
}
#endif
#ifndef SFX_MODULE
bool EnumConfigPaths(uint Number,wchar *Path,size_t MaxSize,bool Create)
{
#ifdef _UNIX
static const wchar *ConfPath[]={
L"/etc", L"/etc/rar", L"/usr/lib", L"/usr/local/lib", L"/usr/local/etc"
};
if (Number==0)
{
char *EnvStr=getenv("HOME");
if (EnvStr!=NULL)
CharToWide(EnvStr,Path,MaxSize);
else
wcsncpyz(Path,ConfPath[0],MaxSize);
return true;
}
Number--;
if (Number>=ASIZE(ConfPath))
return false;
wcsncpyz(Path,ConfPath[Number], MaxSize);
return true;
#elif defined(_WIN_ALL)
if (Number>1)
return false;
if (Number==0)
GetRarDataPath(Path,MaxSize,Create);
else
{
GetModuleFileName(NULL,Path,(DWORD)MaxSize);
RemoveNameFromPath(Path);
}
return true;
#else
return false;
#endif
}
#endif
#ifndef SFX_MODULE
void GetConfigName(const wchar *Name,wchar *FullName,size_t MaxSize,bool CheckExist,bool Create)
{
*FullName=0;
for (uint I=0;EnumConfigPaths(I,FullName,MaxSize,Create);I++)
{
AddEndSlash(FullName,MaxSize);
wcsncatz(FullName,Name,MaxSize);
if (!CheckExist || WildFileExist(FullName))
break;
}
}
#endif
// Returns a pointer to rightmost digit of volume number or to beginning
// of file name if numeric part is missing.
wchar* GetVolNumPart(const wchar *ArcName)
{
if (*ArcName==0)
return (wchar *)ArcName;
// Pointing to last name character.
const wchar *ChPtr=ArcName+wcslen(ArcName)-1;
// Skipping the archive extension.
while (!IsDigit(*ChPtr) && ChPtr>ArcName)
ChPtr--;
// Skipping the numeric part of name.
const wchar *NumPtr=ChPtr;
while (IsDigit(*NumPtr) && NumPtr>ArcName)
NumPtr--;
// Searching for first numeric part in names like name.part##of##.rar.
// Stop search on the first dot.
while (NumPtr>ArcName && *NumPtr!='.')
{
if (IsDigit(*NumPtr))
{
// Validate the first numeric part only if it has a dot somewhere
// before it.
wchar *Dot=wcschr(PointToName(ArcName),'.');
if (Dot!=NULL && Dot<NumPtr)
ChPtr=NumPtr;
break;
}
NumPtr--;
}
return (wchar *)ChPtr;
}
void NextVolumeName(wchar *ArcName,uint MaxLength,bool OldNumbering)
{
wchar *ChPtr;
if ((ChPtr=GetExt(ArcName))==NULL)
{
wcsncatz(ArcName,L".rar",MaxLength);
ChPtr=GetExt(ArcName);
}
else
if (ChPtr[1]==0 || wcsicomp(ChPtr,L".exe")==0 || wcsicomp(ChPtr,L".sfx")==0)
wcsncpyz(ChPtr,L".rar",MaxLength-(ChPtr-ArcName));
if (ChPtr==NULL || *ChPtr!='.' || ChPtr[1]==0)
{
// Normally we shall have some extension here. If we don't, it means
// the name has no extension and buffer has no free space to append one.
// Let's clear the name to prevent a new call with same name and return.
*ArcName=0;
return;
}
if (!OldNumbering)
{
ChPtr=GetVolNumPart(ArcName);
// We should not check for IsDigit(*ChPtr) here and should increment
// even non-digits. If we got a corrupt archive with volume flag,
// but without numeric part, we still need to modify its name somehow,
// so while (exist(name)) {NextVolumeName()} loops do not run infinitely.
while ((++(*ChPtr))=='9'+1)
{
*ChPtr='0';
ChPtr--;
if (ChPtr<ArcName || !IsDigit(*ChPtr))
{
// Convert .part:.rar (.part9.rar after increment) to part10.rar.
for (wchar *EndPtr=ArcName+wcslen(ArcName);EndPtr!=ChPtr;EndPtr--)
*(EndPtr+1)=*EndPtr;
*(ChPtr+1)='1';
break;
}
}
}
else
if (!IsDigit(ChPtr[2]) || !IsDigit(ChPtr[3]))
wcsncpyz(ChPtr+2,L"00",MaxLength-(ChPtr-ArcName)-2); // From .rar to .r00.
else
{
ChPtr+=wcslen(ChPtr)-1; // Set to last character.
while (++(*ChPtr)=='9'+1)
if (ChPtr<=ArcName || *(ChPtr-1)=='.')
{
*ChPtr='a'; // From .999 to .a00 if started from .001 or for too short names.
break;
}
else
{
*ChPtr='0';
ChPtr--;
}
}
}
bool IsNameUsable(const wchar *Name)
{
#ifndef _UNIX
if (Name[0] && Name[1] && wcschr(Name+2,':')!=NULL)
return false;
for (const wchar *s=Name;*s!=0;s++)
{
if ((uint)*s<32)
return false;
if ((*s==' ' || *s=='.') && IsPathDiv(s[1]))
return false;
}
#endif
return *Name!=0 && wcspbrk(Name,L"?*<>|\"")==NULL;
}
void MakeNameUsable(char *Name,bool Extended)
{
#ifdef _WIN_ALL
// In Windows we also need to convert characters not defined in current
// code page. This double conversion changes them to '?', which is
// catched by code below.
size_t NameLength=strlen(Name);
wchar NameW[NM];
CharToWide(Name,NameW,ASIZE(NameW));
WideToChar(NameW,Name,NameLength+1);
Name[NameLength]=0;
#endif
for (char *s=Name;*s!=0;s=charnext(s))
{
if (strchr(Extended ? "?*<>|\"":"?*",*s)!=NULL || Extended && (byte)*s<32)
*s='_';
#ifdef _EMX
if (*s=='=')
*s='_';
#endif
#ifndef _UNIX
if (s-Name>1 && *s==':')
*s='_';
// Remove ' ' and '.' before path separator, but allow .\ and ..\.
if ((*s==' ' || *s=='.' && s>Name && !IsPathDiv(s[-1]) && s[-1]!='.') && IsPathDiv(s[1]))
*s='_';
#endif
}
}
void MakeNameUsable(wchar *Name,bool Extended)
{
for (wchar *s=Name;*s!=0;s++)
{
if (wcschr(Extended ? L"?*<>|\"":L"?*",*s)!=NULL || Extended && (uint)*s<32)
*s='_';
#ifndef _UNIX
if (s-Name>1 && *s==':')
*s='_';
#if 0 // We already can create such files.
// Remove ' ' and '.' before path separator, but allow .\ and ..\.
if (IsPathDiv(s[1]) && (*s==' ' || *s=='.' && s>Name &&
!IsPathDiv(s[-1]) && (s[-1]!='.' || s>Name+1 && !IsPathDiv(s[-2]))))
*s='_';
#endif
#endif
}
}
void UnixSlashToDos(const char *SrcName,char *DestName,size_t MaxLength)
{
size_t Copied=0;
for (;Copied<MaxLength-1 && SrcName[Copied]!=0;Copied++)
DestName[Copied]=SrcName[Copied]=='/' ? '\\':SrcName[Copied];
DestName[Copied]=0;
}
void DosSlashToUnix(const char *SrcName,char *DestName,size_t MaxLength)
{
size_t Copied=0;
for (;Copied<MaxLength-1 && SrcName[Copied]!=0;Copied++)
DestName[Copied]=SrcName[Copied]=='\\' ? '/':SrcName[Copied];
DestName[Copied]=0;
}
void UnixSlashToDos(const wchar *SrcName,wchar *DestName,size_t MaxLength)
{
size_t Copied=0;
for (;Copied<MaxLength-1 && SrcName[Copied]!=0;Copied++)
DestName[Copied]=SrcName[Copied]=='/' ? '\\':SrcName[Copied];
DestName[Copied]=0;
}
void DosSlashToUnix(const wchar *SrcName,wchar *DestName,size_t MaxLength)
{
size_t Copied=0;
for (;Copied<MaxLength-1 && SrcName[Copied]!=0;Copied++)
DestName[Copied]=SrcName[Copied]=='\\' ? '/':SrcName[Copied];
DestName[Copied]=0;
}
void ConvertNameToFull(const wchar *Src,wchar *Dest,size_t MaxSize)
{
if (Src==NULL || *Src==0)
{
if (MaxSize>0)
*Dest=0;
return;
}
#ifdef _WIN_ALL
{
wchar FullName[NM],*NamePtr;
DWORD Code=GetFullPathName(Src,ASIZE(FullName),FullName,&NamePtr);
if (Code==0 || Code>ASIZE(FullName))
{
wchar LongName[NM];
if (GetWinLongPath(Src,LongName,ASIZE(LongName)))
Code=GetFullPathName(LongName,ASIZE(FullName),FullName,&NamePtr);
}
if (Code!=0 && Code<ASIZE(FullName))
wcsncpyz(Dest,FullName,MaxSize);
else
if (Src!=Dest)
wcsncpyz(Dest,Src,MaxSize);
}
#elif defined(_UNIX)
if (IsFullPath(Src))
*Dest=0;
else
{
char CurDirA[NM];
if (getcwd(CurDirA,ASIZE(CurDirA))==NULL)
*CurDirA=0;
CharToWide(CurDirA,Dest,MaxSize);
AddEndSlash(Dest,MaxSize);
}
wcsncatz(Dest,Src,MaxSize);
#else
wcsncpyz(Dest,Src,MaxSize);
#endif
}
bool IsFullPath(const wchar *Path)
{
/*
wchar PathOnly[NM];
GetFilePath(Path,PathOnly,ASIZE(PathOnly));
if (IsWildcard(PathOnly))
return true;
*/
#if defined(_WIN_ALL) || defined(_EMX)
return Path[0]=='\\' && Path[1]=='\\' || IsDriveLetter(Path) && IsPathDiv(Path[2]);
#else
return IsPathDiv(Path[0]);
#endif
}
bool IsFullRootPath(const wchar *Path)
{
return IsFullPath(Path) || IsPathDiv(Path[0]);
}
void GetPathRoot(const wchar *Path,wchar *Root,size_t MaxSize)
{
*Root=0;
if (IsDriveLetter(Path))
swprintf(Root,MaxSize,L"%c:\\",*Path);
else
if (Path[0]=='\\' && Path[1]=='\\')
{
const wchar *Slash=wcschr(Path+2,'\\');
if (Slash!=NULL)
{
size_t Length;
if ((Slash=wcschr(Slash+1,'\\'))!=NULL)
Length=Slash-Path+1;
else
Length=wcslen(Path);
if (Length>=MaxSize)
Length=0;
wcsncpy(Root,Path,Length);
Root[Length]=0;
}
}
}
int ParseVersionFileName(wchar *Name,bool Truncate)
{
int Version=0;
wchar *VerText=wcsrchr(Name,';');
if (VerText!=NULL)
{
Version=atoiw(VerText+1);
if (Truncate)
*VerText=0;
}
return Version;
}
#if !defined(SFX_MODULE)
// Get the name of first volume. Return the leftmost digit of volume number.
wchar* VolNameToFirstName(const wchar *VolName,wchar *FirstName,size_t MaxSize,bool NewNumbering)
{
if (FirstName!=VolName)
wcsncpyz(FirstName,VolName,MaxSize);
wchar *VolNumStart=FirstName;
if (NewNumbering)
{
wchar N='1';
// From the rightmost digit of volume number to the left.
for (wchar *ChPtr=GetVolNumPart(FirstName);ChPtr>FirstName;ChPtr--)
if (IsDigit(*ChPtr))
{
*ChPtr=N; // Set the rightmost digit to '1' and others to '0'.
N='0';
}
else
if (N=='0')
{
VolNumStart=ChPtr+1; // Store the position of leftmost digit in volume number.
break;
}
}
else
{
// Old volume numbering scheme. Just set the extension to ".rar".
SetExt(FirstName,L"rar",MaxSize);
VolNumStart=GetExt(FirstName);
}
if (!FileExist(FirstName))
{
// If the first volume, which name we just generated, does not exist,
// check if volume with same name and any other extension is available.
// It can help in case of *.exe or *.sfx first volume.
wchar Mask[NM];
wcsncpyz(Mask,FirstName,ASIZE(Mask));
SetExt(Mask,L"*",ASIZE(Mask));
FindFile Find;
Find.SetMask(Mask);
FindData FD;
while (Find.Next(&FD))
{
Archive Arc;
if (Arc.Open(FD.Name,0) && Arc.IsArchive(true) && Arc.FirstVolume)
{
wcsncpyz(FirstName,FD.Name,MaxSize);
break;
}
}
}
return VolNumStart;
}
#endif
#ifndef SFX_MODULE
static void GenArcName(wchar *ArcName,size_t MaxSize,const wchar *GenerateMask,uint ArcNumber,bool &ArcNumPresent)
{
bool Prefix=false;
if (*GenerateMask=='+')
{
Prefix=true; // Add the time string before the archive name.
GenerateMask++; // Skip '+' in the beginning of time mask.
}
wchar Mask[MAX_GENERATE_MASK];
wcsncpyz(Mask,*GenerateMask!=0 ? GenerateMask:L"yyyymmddhhmmss",ASIZE(Mask));
bool QuoteMode=false,Hours=false;
for (uint I=0;Mask[I]!=0;I++)
{
if (Mask[I]=='{' || Mask[I]=='}')
{
QuoteMode=(Mask[I]=='{');
continue;
}
if (QuoteMode)
continue;
int CurChar=toupperw(Mask[I]);
if (CurChar=='H')
Hours=true;
if (Hours && CurChar=='M')
{
// Replace minutes with 'I'. We use 'M' both for months and minutes,
// so we treat as minutes only those 'M' which are found after hours.
Mask[I]='I';
}
if (CurChar=='N')
{
uint Digits=GetDigits(ArcNumber);
uint NCount=0;
while (toupperw(Mask[I+NCount])=='N')
NCount++;
// Here we ensure that we have enough 'N' characters to fit all digits
// of archive number. We'll replace them by actual number later
// in this function.
if (NCount<Digits)
{
wmemmove(Mask+I+Digits,Mask+I+NCount,wcslen(Mask+I+NCount)+1);
wmemset(Mask+I,'N',Digits);
}
I+=Max(Digits,NCount)-1;
ArcNumPresent=true;
continue;
}
}
RarTime CurTime;
CurTime.SetCurrentTime();
RarLocalTime rlt;
CurTime.GetLocal(&rlt);
wchar Ext[NM],*Dot=GetExt(ArcName);
*Ext=0;
if (Dot==NULL)
wcsncpyz(Ext,*PointToName(ArcName)==0 ? L".rar":L"",ASIZE(Ext));
else
{
wcsncpyz(Ext,Dot,ASIZE(Ext));
*Dot=0;
}
int WeekDay=rlt.wDay==0 ? 6:rlt.wDay-1;
int StartWeekDay=rlt.yDay-WeekDay;
if (StartWeekDay<0)
if (StartWeekDay<=-4)
StartWeekDay+=IsLeapYear(rlt.Year-1) ? 366:365;
else
StartWeekDay=0;
int CurWeek=StartWeekDay/7+1;
if (StartWeekDay%7>=4)
CurWeek++;
char Field[10][6];
sprintf(Field[0],"%04u",rlt.Year);
sprintf(Field[1],"%02u",rlt.Month);
sprintf(Field[2],"%02u",rlt.Day);
sprintf(Field[3],"%02u",rlt.Hour);
sprintf(Field[4],"%02u",rlt.Minute);
sprintf(Field[5],"%02u",rlt.Second);
sprintf(Field[6],"%02u",(uint)CurWeek);
sprintf(Field[7],"%u",(uint)WeekDay+1);
sprintf(Field[8],"%03u",rlt.yDay+1);
sprintf(Field[9],"%05u",ArcNumber);
const wchar *MaskChars=L"YMDHISWAEN";
int CField[sizeof(Field)/sizeof(Field[0])];
memset(CField,0,sizeof(CField));
QuoteMode=false;
for (uint I=0;Mask[I]!=0;I++)
{
if (Mask[I]=='{' || Mask[I]=='}')
{
QuoteMode=(Mask[I]=='{');
continue;
}
if (QuoteMode)
continue;
const wchar *ChPtr=wcschr(MaskChars,toupperw(Mask[I]));
if (ChPtr!=NULL)
CField[ChPtr-MaskChars]++;
}
wchar DateText[MAX_GENERATE_MASK];
*DateText=0;
QuoteMode=false;
for (size_t I=0,J=0;Mask[I]!=0 && J<ASIZE(DateText)-1;I++)
{
if (Mask[I]=='{' || Mask[I]=='}')
{
QuoteMode=(Mask[I]=='{');
continue;
}
const wchar *ChPtr=wcschr(MaskChars,toupperw(Mask[I]));
if (ChPtr==NULL || QuoteMode)
{
DateText[J]=Mask[I];
#ifdef _WIN_ALL
// We do not allow ':' in Windows because of NTFS streams.
// Users had problems after specifying hh:mm mask.
if (DateText[J]==':')
DateText[J]='_';
#endif
}
else
{
size_t FieldPos=ChPtr-MaskChars;
int CharPos=(int)strlen(Field[FieldPos])-CField[FieldPos]--;
if (FieldPos==1 && toupperw(Mask[I+1])=='M' && toupperw(Mask[I+2])=='M')
{
wcsncpyz(DateText+J,GetMonthName(rlt.Month-1),ASIZE(DateText)-J);
J=wcslen(DateText);
I+=2;
continue;
}
if (CharPos<0)
DateText[J]=Mask[I];
else
DateText[J]=Field[FieldPos][CharPos];
}
DateText[++J]=0;
}
if (Prefix)
{
wchar NewName[NM];
GetFilePath(ArcName,NewName,ASIZE(NewName));
AddEndSlash(NewName,ASIZE(NewName));
wcsncatz(NewName,DateText,ASIZE(NewName));
wcsncatz(NewName,PointToName(ArcName),ASIZE(NewName));
wcsncpyz(ArcName,NewName,MaxSize);
}
else
wcsncatz(ArcName,DateText,MaxSize);
wcsncatz(ArcName,Ext,MaxSize);
}
void GenerateArchiveName(wchar *ArcName,size_t MaxSize,const wchar *GenerateMask,bool Archiving)
{
wchar NewName[NM];
uint ArcNumber=1;
while (true) // Loop for 'N' (archive number) processing.
{
wcsncpyz(NewName,ArcName,ASIZE(NewName));
bool ArcNumPresent=false;
GenArcName(NewName,ASIZE(NewName),GenerateMask,ArcNumber,ArcNumPresent);
if (!ArcNumPresent)
break;
if (!FileExist(NewName))
{
if (!Archiving && ArcNumber>1)
{
// If we perform non-archiving operation, we need to use the last
// existing archive before the first unused name. So we generate
// the name for (ArcNumber-1) below.
wcsncpyz(NewName,NullToEmpty(ArcName),ASIZE(NewName));
GenArcName(NewName,ASIZE(NewName),GenerateMask,ArcNumber-1,ArcNumPresent);
}
break;
}
ArcNumber++;
}
wcsncpyz(ArcName,NewName,MaxSize);
}
#endif
wchar* GetWideName(const char *Name,const wchar *NameW,wchar *DestW,size_t DestSize)
{
if (NameW!=NULL && *NameW!=0)
{
if (DestW!=NameW)
wcsncpy(DestW,NameW,DestSize);
}
else
if (Name!=NULL)
CharToWide(Name,DestW,DestSize);
else
*DestW=0;
// Ensure that we return a zero terminate string for security reasons.
if (DestSize>0)
DestW[DestSize-1]=0;
return DestW;
}
#ifdef _WIN_ALL
// We should return 'true' even if resulting path is shorter than MAX_PATH,
// because we can also use this function to open files with non-standard
// characters, even if their path length is normal.
bool GetWinLongPath(const wchar *Src,wchar *Dest,size_t MaxSize)
{
if (*Src==0)
return false;
const wchar *Prefix=L"\\\\?\\";
const size_t PrefixLength=4;
bool FullPath=IsDriveLetter(Src) && IsPathDiv(Src[2]);
size_t SrcLength=wcslen(Src);
if (IsFullPath(Src)) // Paths in d:\path\name format.
{
if (IsDriveLetter(Src))
{
if (MaxSize<=PrefixLength+SrcLength)
return false;
wcsncpyz(Dest,Prefix,MaxSize);
wcsncatz(Dest,Src,MaxSize); // "\\?\D:\very long path".
return true;
}
else
if (Src[0]=='\\' && Src[1]=='\\')
{
if (MaxSize<=PrefixLength+SrcLength+2)
return false;
wcsncpyz(Dest,Prefix,MaxSize);
wcsncatz(Dest,L"UNC",MaxSize);
wcsncatz(Dest,Src+1,MaxSize); // "\\?\UNC\server\share".
return true;
}
// We may be here only if we modify IsFullPath in the future.
return false;
}
else
{
wchar CurDir[NM];
DWORD DirCode=GetCurrentDirectory(ASIZE(CurDir)-1,CurDir);
if (DirCode==0 || DirCode>ASIZE(CurDir)-1)
return false;
if (IsPathDiv(Src[0])) // Paths in \path\name format.
{
if (MaxSize<=PrefixLength+SrcLength+2)
return false;
wcsncpyz(Dest,Prefix,MaxSize);
CurDir[2]=0;
wcsncatz(Dest,CurDir,MaxSize); // Copy drive letter 'd:'.
wcsncatz(Dest,Src,MaxSize);
return true;
}
else // Paths in path\name format.
{
AddEndSlash(CurDir,ASIZE(CurDir));
if (MaxSize<=PrefixLength+wcslen(CurDir)+SrcLength)
return false;
wcsncpyz(Dest,Prefix,MaxSize);
wcsncatz(Dest,CurDir,MaxSize);
if (Src[0]=='.' && IsPathDiv(Src[1])) // Remove leading .\ in pathname.
Src+=2;
wcsncatz(Dest,Src,MaxSize);
return true;
}
}
return false;
}
// Convert Unix, OS X and Android decomposed chracters to Windows precomposed.
void ConvertToPrecomposed(wchar *Name,size_t NameSize)
{
wchar FileName[NM];
if (WinNT()>=WNT_VISTA && // MAP_PRECOMPOSED is not supported in XP.
FoldString(MAP_PRECOMPOSED,Name,-1,FileName,ASIZE(FileName))!=0)
{
FileName[ASIZE(FileName)-1]=0;
wcsncpyz(Name,FileName,NameSize);
}
}
// Remove trailing spaces and dots in file name and in dir names in path.
void MakeNameCompatible(wchar *Name)
{
int Src=0,Dest=0;
while (true)
{
if (IsPathDiv(Name[Src]) || Name[Src]==0)
for (int I=Dest-1;I>0 && (Name[I]==' ' || Name[I]=='.');I--)
{
// Permit path1/./path2 and ../path1 paths.
if (Name[I]=='.' && (IsPathDiv(Name[I-1]) || Name[I-1]=='.' && I==1))
break;
Dest--;
}
Name[Dest]=Name[Src];
if (Name[Src]==0)
break;
Src++;
Dest++;
}
}
#endif
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