#define SYMLINK_FLAG_RELATIVE 1 typedef struct _REPARSE_DATA_BUFFER { ULONG ReparseTag; USHORT ReparseDataLength; USHORT Reserved; union { struct { USHORT SubstituteNameOffset; USHORT SubstituteNameLength; USHORT PrintNameOffset; USHORT PrintNameLength; ULONG Flags; WCHAR PathBuffer[1]; } SymbolicLinkReparseBuffer; struct { USHORT SubstituteNameOffset; USHORT SubstituteNameLength; USHORT PrintNameOffset; USHORT PrintNameLength; WCHAR PathBuffer[1]; } MountPointReparseBuffer; struct { UCHAR DataBuffer[1]; } GenericReparseBuffer; }; } REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER; bool CreateReparsePoint(CommandData *Cmd,const wchar *Name,FileHeader *hd) { return false; /* // OPENMPT ADDITION static bool PrivSet=false; if (!PrivSet) { SetPrivilege(SE_RESTORE_NAME); // Not sure if we really need it, but let's request anyway. SetPrivilege(SE_CREATE_SYMBOLIC_LINK_NAME); PrivSet=true; } const DWORD BufSize=sizeof(REPARSE_DATA_BUFFER)+2*NM+1024; Array Buf(BufSize); REPARSE_DATA_BUFFER *rdb=(REPARSE_DATA_BUFFER *)&Buf[0]; wchar SubstName[NM]; wcsncpyz(SubstName,hd->RedirName,ASIZE(SubstName)); size_t SubstLength=wcslen(SubstName); wchar PrintName[NM],*PrintNameSrc=SubstName,*PrintNameDst=PrintName; bool WinPrefix=wcsncmp(PrintNameSrc,L"\\??\\",4)==0; if (WinPrefix) PrintNameSrc+=4; if (WinPrefix && wcsncmp(PrintNameSrc,L"UNC\\",4)==0) { *(PrintNameDst++)='\\'; // Insert second \ in beginning of share name. PrintNameSrc+=3; } wcscpy(PrintNameDst,PrintNameSrc); size_t PrintLength=wcslen(PrintName); bool AbsPath=WinPrefix; // IsFullPath is not really needed here, AbsPath check is enough. // We added it just for extra safety, in case some Windows version would // allow to create absolute targets with SYMLINK_FLAG_RELATIVE. // Use hd->FileName instead of Name, since Name can include the destination // path as a prefix, which can confuse IsRelativeSymlinkSafe algorithm. if (!Cmd->AbsoluteLinks && (AbsPath || IsFullPath(hd->RedirName) || !IsRelativeSymlinkSafe(Cmd,hd->FileName,Name,hd->RedirName))) return false; CreatePath(Name,true,Cmd->DisableNames); // Overwrite prompt was already issued and confirmed earlier, so we can // remove existing symlink or regular file here. PrepareToDelete was also // called earlier inside of uiAskReplaceEx. if (FileExist(Name)) if (IsDir(GetFileAttr(Name))) DelDir(Name); else DelFile(Name); // 'DirTarget' check is important for Unix symlinks to directories. // Unix symlinks do not have their own 'directory' attribute. if (hd->Dir || hd->DirTarget) { if (!CreateDirectory(Name,NULL)) { uiMsg(UIERROR_DIRCREATE,UINULL,Name); ErrHandler.SetErrorCode(RARX_CREATE); return false; } } else { HANDLE hFile=CreateFile(Name,GENERIC_WRITE,0,NULL,CREATE_NEW,FILE_ATTRIBUTE_NORMAL,NULL); if (hFile == INVALID_HANDLE_VALUE) { ErrHandler.CreateErrorMsg(Name); return false; } CloseHandle(hFile); } if (hd->RedirType==FSREDIR_JUNCTION) { rdb->ReparseTag=IO_REPARSE_TAG_MOUNT_POINT; rdb->ReparseDataLength=USHORT( sizeof(rdb->MountPointReparseBuffer.SubstituteNameOffset)+ sizeof(rdb->MountPointReparseBuffer.SubstituteNameLength)+ sizeof(rdb->MountPointReparseBuffer.PrintNameOffset)+ sizeof(rdb->MountPointReparseBuffer.PrintNameLength)+ (SubstLength+1)*sizeof(WCHAR)+(PrintLength+1)*sizeof(WCHAR)); rdb->Reserved=0; rdb->MountPointReparseBuffer.SubstituteNameOffset=0; rdb->MountPointReparseBuffer.SubstituteNameLength=USHORT(SubstLength*sizeof(WCHAR)); wcscpy(rdb->MountPointReparseBuffer.PathBuffer,SubstName); rdb->MountPointReparseBuffer.PrintNameOffset=USHORT((SubstLength+1)*sizeof(WCHAR)); rdb->MountPointReparseBuffer.PrintNameLength=USHORT(PrintLength*sizeof(WCHAR)); wcscpy(rdb->MountPointReparseBuffer.PathBuffer+SubstLength+1,PrintName); } else if (hd->RedirType==FSREDIR_WINSYMLINK || hd->RedirType==FSREDIR_UNIXSYMLINK) { rdb->ReparseTag=IO_REPARSE_TAG_SYMLINK; rdb->ReparseDataLength=USHORT( sizeof(rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset)+ sizeof(rdb->SymbolicLinkReparseBuffer.SubstituteNameLength)+ sizeof(rdb->SymbolicLinkReparseBuffer.PrintNameOffset)+ sizeof(rdb->SymbolicLinkReparseBuffer.PrintNameLength)+ sizeof(rdb->SymbolicLinkReparseBuffer.Flags)+ (SubstLength+1)*sizeof(WCHAR)+(PrintLength+1)*sizeof(WCHAR)); rdb->Reserved=0; rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset=0; rdb->SymbolicLinkReparseBuffer.SubstituteNameLength=USHORT(SubstLength*sizeof(WCHAR)); wcscpy(rdb->SymbolicLinkReparseBuffer.PathBuffer,SubstName); rdb->SymbolicLinkReparseBuffer.PrintNameOffset=USHORT((SubstLength+1)*sizeof(WCHAR)); rdb->SymbolicLinkReparseBuffer.PrintNameLength=USHORT(PrintLength*sizeof(WCHAR)); wcscpy(rdb->SymbolicLinkReparseBuffer.PathBuffer+SubstLength+1,PrintName); rdb->SymbolicLinkReparseBuffer.Flags=AbsPath ? 0:SYMLINK_FLAG_RELATIVE; } else return false; HANDLE hFile=CreateFile(Name,GENERIC_READ|GENERIC_WRITE,0,NULL, OPEN_EXISTING,FILE_FLAG_OPEN_REPARSE_POINT| FILE_FLAG_BACKUP_SEMANTICS,NULL); if (hFile==INVALID_HANDLE_VALUE) { ErrHandler.CreateErrorMsg(Name); ErrHandler.SetErrorCode(RARX_CREATE); return false; } DWORD Returned; if (!DeviceIoControl(hFile,FSCTL_SET_REPARSE_POINT,rdb, FIELD_OFFSET(REPARSE_DATA_BUFFER,GenericReparseBuffer)+ rdb->ReparseDataLength,NULL,0,&Returned,NULL)) { CloseHandle(hFile); uiMsg(UIERROR_SLINKCREATE,UINULL,Name); DWORD LastError=GetLastError(); if ((LastError==ERROR_ACCESS_DENIED || LastError==ERROR_PRIVILEGE_NOT_HELD) && !IsUserAdmin()) uiMsg(UIERROR_NEEDADMIN); ErrHandler.SysErrMsg(); ErrHandler.SetErrorCode(RARX_CREATE); if (hd->Dir) RemoveDirectory(Name); else DeleteFile(Name); return false; } File LinkFile; LinkFile.SetHandle(hFile); LinkFile.SetOpenFileTime( Cmd->xmtime==EXTTIME_NONE ? NULL:&hd->mtime, Cmd->xctime==EXTTIME_NONE ? NULL:&hd->ctime, Cmd->xatime==EXTTIME_NONE ? NULL:&hd->atime); LinkFile.Close(); if (!Cmd->IgnoreGeneralAttr) SetFileAttr(Name,hd->FileAttr); return true; */ // OPENMPT ADDITION }