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[FASTFAT] Allow partial returns on directory info query for first entry.
This mimics what MS FastFAT does and fixes (a bit) ntdll_winetest:directory. It still crashes, but go farther. CORE-13367
This commit is contained in:
Pierre Schweitzer
parent
e15874b491
commit
52f0726817
1 changed files with 333 additions and 232 deletions
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@ -91,20 +91,43 @@ NTSTATUS
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VfatGetFileNameInformation(
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PVFAT_DIRENTRY_CONTEXT DirContext,
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PFILE_NAMES_INFORMATION pInfo,
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ULONG BufferLength)
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ULONG BufferLength,
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PULONG Written,
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BOOLEAN First)
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{
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if ((sizeof(FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
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return STATUS_BUFFER_OVERFLOW;
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NTSTATUS Status;
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ULONG BytesToCopy = 0;
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) +
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DirContext->LongNameU.Length);
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*Written = 0;
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Status = STATUS_BUFFER_OVERFLOW;
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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DirContext->LongNameU.Length);
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if (FIELD_OFFSET(FILE_NAMES_INFORMATION, FileName) > BufferLength)
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return Status;
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return STATUS_SUCCESS;
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if (First || (BufferLength >= FIELD_OFFSET(FILE_NAMES_INFORMATION, FileName) + DirContext->LongNameU.Length))
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{
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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*Written = FIELD_OFFSET(FILE_NAMES_INFORMATION, FileName);
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pInfo->NextEntryOffset = 0;
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if (BufferLength > FIELD_OFFSET(FILE_NAMES_INFORMATION, FileName))
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{
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BytesToCopy = min(DirContext->LongNameU.Length, BufferLength - FIELD_OFFSET(FILE_NAMES_INFORMATION, FileName));
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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BytesToCopy);
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*Written += BytesToCopy;
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if (BytesToCopy == DirContext->LongNameU.Length)
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{
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_NAMES_INFORMATION) +
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BytesToCopy);
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Status = STATUS_SUCCESS;
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}
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}
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}
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return Status;
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}
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static
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@ -113,90 +136,115 @@ VfatGetFileDirectoryInformation(
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PVFAT_DIRENTRY_CONTEXT DirContext,
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PDEVICE_EXTENSION DeviceExt,
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PFILE_DIRECTORY_INFORMATION pInfo,
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ULONG BufferLength)
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ULONG BufferLength,
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PULONG Written,
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BOOLEAN First)
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{
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if ((sizeof(FILE_DIRECTORY_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
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return STATUS_BUFFER_OVERFLOW;
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NTSTATUS Status;
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ULONG BytesToCopy = 0;
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) +
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DirContext->LongNameU.Length);
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/* pInfo->FileIndex = ; */
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*Written = 0;
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Status = STATUS_BUFFER_OVERFLOW;
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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DirContext->LongNameU.Length);
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if (FIELD_OFFSET(FILE_DIRECTORY_INFORMATION, FileName) > BufferLength)
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return Status;
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if (vfatVolumeIsFatX(DeviceExt))
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if (First || (BufferLength >= FIELD_OFFSET(FILE_DIRECTORY_INFORMATION, FileName) + DirContext->LongNameU.Length))
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.CreationDate,
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DirContext->DirEntry.FatX.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.AccessDate,
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DirContext->DirEntry.FatX.AccessTime,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.UpdateDate,
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DirContext->DirEntry.FatX.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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/* pInfo->FileIndex = ; */
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pInfo->ChangeTime = pInfo->LastWriteTime;
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if (BooleanFlagOn(DirContext->DirEntry.FatX.Attrib, FILE_ATTRIBUTE_DIRECTORY))
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*Written = FIELD_OFFSET(FILE_DIRECTORY_INFORMATION, FileName);
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pInfo->NextEntryOffset = 0;
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if (BufferLength > FIELD_OFFSET(FILE_DIRECTORY_INFORMATION, FileName))
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{
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pInfo->EndOfFile.QuadPart = 0;
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pInfo->AllocationSize.QuadPart = 0;
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BytesToCopy = min(DirContext->LongNameU.Length, BufferLength - FIELD_OFFSET(FILE_DIRECTORY_INFORMATION, FileName));
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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BytesToCopy);
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*Written += BytesToCopy;
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if (BytesToCopy == DirContext->LongNameU.Length)
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{
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) +
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BytesToCopy);
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Status = STATUS_SUCCESS;
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}
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}
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if (vfatVolumeIsFatX(DeviceExt))
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.CreationDate,
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DirContext->DirEntry.FatX.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.AccessDate,
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DirContext->DirEntry.FatX.AccessTime,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.UpdateDate,
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DirContext->DirEntry.FatX.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->ChangeTime = pInfo->LastWriteTime;
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if (BooleanFlagOn(DirContext->DirEntry.FatX.Attrib, FILE_ATTRIBUTE_DIRECTORY))
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{
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pInfo->EndOfFile.QuadPart = 0;
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pInfo->AllocationSize.QuadPart = 0;
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}
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else
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{
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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}
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pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
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}
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else
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{
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.CreationDate,
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DirContext->DirEntry.Fat.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.AccessDate,
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0,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.UpdateDate,
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DirContext->DirEntry.Fat.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->ChangeTime = pInfo->LastWriteTime;
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if (BooleanFlagOn(DirContext->DirEntry.Fat.Attrib, FILE_ATTRIBUTE_DIRECTORY))
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{
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pInfo->EndOfFile.QuadPart = 0;
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pInfo->AllocationSize.QuadPart = 0;
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}
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else
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{
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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}
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pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
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}
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pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
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}
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else
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.CreationDate,
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DirContext->DirEntry.Fat.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.AccessDate,
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0,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.UpdateDate,
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DirContext->DirEntry.Fat.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->ChangeTime = pInfo->LastWriteTime;
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if (BooleanFlagOn(DirContext->DirEntry.Fat.Attrib, FILE_ATTRIBUTE_DIRECTORY))
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{
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pInfo->EndOfFile.QuadPart = 0;
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pInfo->AllocationSize.QuadPart = 0;
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}
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else
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{
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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}
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pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
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}
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return STATUS_SUCCESS;
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return Status;
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}
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static
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@ -205,71 +253,94 @@ VfatGetFileFullDirectoryInformation(
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PVFAT_DIRENTRY_CONTEXT DirContext,
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PDEVICE_EXTENSION DeviceExt,
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PFILE_FULL_DIR_INFORMATION pInfo,
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ULONG BufferLength)
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ULONG BufferLength,
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PULONG Written,
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BOOLEAN First)
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{
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if ((sizeof(FILE_FULL_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
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return STATUS_BUFFER_OVERFLOW;
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NTSTATUS Status;
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ULONG BytesToCopy = 0;
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_FULL_DIR_INFORMATION) +
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DirContext->LongNameU.Length);
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/* pInfo->FileIndex = ; */
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/* pInfo->EaSize = ; */
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*Written = 0;
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Status = STATUS_BUFFER_OVERFLOW;
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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DirContext->LongNameU.Length);
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if (FIELD_OFFSET(FILE_FULL_DIR_INFORMATION, FileName) > BufferLength)
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return Status;
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if (vfatVolumeIsFatX(DeviceExt))
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if (First || (BufferLength >= FIELD_OFFSET(FILE_FULL_DIR_INFORMATION, FileName) + DirContext->LongNameU.Length))
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.CreationDate,
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DirContext->DirEntry.FatX.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.AccessDate,
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DirContext->DirEntry.FatX.AccessTime,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.UpdateDate,
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DirContext->DirEntry.FatX.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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/* pInfo->FileIndex = ; */
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pInfo->EaSize = 0;
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pInfo->ChangeTime = pInfo->LastWriteTime;
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
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}
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else
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.CreationDate,
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DirContext->DirEntry.Fat.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.AccessDate,
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0,
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.UpdateDate,
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DirContext->DirEntry.Fat.UpdateTime,
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&pInfo->LastWriteTime);
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*Written = FIELD_OFFSET(FILE_FULL_DIR_INFORMATION, FileName);
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pInfo->NextEntryOffset = 0;
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if (BufferLength > FIELD_OFFSET(FILE_FULL_DIR_INFORMATION, FileName))
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{
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BytesToCopy = min(DirContext->LongNameU.Length, BufferLength - FIELD_OFFSET(FILE_FULL_DIR_INFORMATION, FileName));
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
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BytesToCopy);
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*Written += BytesToCopy;
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pInfo->ChangeTime = pInfo->LastWriteTime;
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
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if (BytesToCopy == DirContext->LongNameU.Length)
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{
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_FULL_DIR_INFORMATION) +
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BytesToCopy);
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Status = STATUS_SUCCESS;
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}
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}
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if (vfatVolumeIsFatX(DeviceExt))
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.CreationDate,
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DirContext->DirEntry.FatX.CreationTime,
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&pInfo->CreationTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.AccessDate,
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DirContext->DirEntry.FatX.AccessTime,
|
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.UpdateDate,
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DirContext->DirEntry.FatX.UpdateTime,
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&pInfo->LastWriteTime);
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pInfo->ChangeTime = pInfo->LastWriteTime;
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
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}
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else
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{
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.CreationDate,
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DirContext->DirEntry.Fat.CreationTime,
|
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&pInfo->CreationTime);
|
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.AccessDate,
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0,
|
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&pInfo->LastAccessTime);
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.Fat.UpdateDate,
|
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DirContext->DirEntry.Fat.UpdateTime,
|
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&pInfo->LastWriteTime);
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pInfo->ChangeTime = pInfo->LastWriteTime;
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pInfo->EndOfFile.u.HighPart = 0;
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pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
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/* Make allocsize a rounded up multiple of BytesPerCluster */
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pInfo->AllocationSize.u.HighPart = 0;
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pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize,
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DeviceExt->FatInfo.BytesPerCluster);
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pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
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}
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}
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return STATUS_SUCCESS;
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return Status;
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}
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static
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@ -278,110 +349,124 @@ VfatGetFileBothInformation(
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PVFAT_DIRENTRY_CONTEXT DirContext,
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PDEVICE_EXTENSION DeviceExt,
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PFILE_BOTH_DIR_INFORMATION pInfo,
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ULONG BufferLength)
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ULONG BufferLength,
|
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PULONG Written,
|
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BOOLEAN First)
|
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{
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if ((sizeof(FILE_BOTH_DIR_INFORMATION) + DirContext->LongNameU.Length) > BufferLength)
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return STATUS_BUFFER_OVERFLOW;
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NTSTATUS Status;
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ULONG BytesToCopy = 0;
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pInfo->EaSize = 0;
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*Written = 0;
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Status = STATUS_BUFFER_OVERFLOW;
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if (vfatVolumeIsFatX(DeviceExt))
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if (FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName) > BufferLength)
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return Status;
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if (First || (BufferLength >= FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName) + DirContext->LongNameU.Length))
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{
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pInfo->FileNameLength = DirContext->LongNameU.Length;
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pInfo->EaSize = 0;
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RtlCopyMemory(pInfo->FileName,
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DirContext->LongNameU.Buffer,
|
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DirContext->LongNameU.Length);
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pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) +
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DirContext->LongNameU.Length);
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pInfo->ShortName[0] = 0;
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pInfo->ShortNameLength = 0;
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/* pInfo->FileIndex = ; */
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FsdDosDateTimeToSystemTime(DeviceExt,
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DirContext->DirEntry.FatX.CreationDate,
|
||||
DirContext->DirEntry.FatX.CreationTime,
|
||||
&pInfo->CreationTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.FatX.AccessDate,
|
||||
DirContext->DirEntry.FatX.AccessTime,
|
||||
&pInfo->LastAccessTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.FatX.UpdateDate,
|
||||
DirContext->DirEntry.FatX.UpdateTime,
|
||||
&pInfo->LastWriteTime);
|
||||
|
||||
pInfo->ChangeTime = pInfo->LastWriteTime;
|
||||
|
||||
if (BooleanFlagOn(DirContext->DirEntry.FatX.Attrib, FILE_ATTRIBUTE_DIRECTORY))
|
||||
*Written = FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName);
|
||||
pInfo->NextEntryOffset = 0;
|
||||
if (BufferLength > FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName))
|
||||
{
|
||||
pInfo->EndOfFile.QuadPart = 0;
|
||||
pInfo->AllocationSize.QuadPart = 0;
|
||||
BytesToCopy = min(DirContext->LongNameU.Length, BufferLength - FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName));
|
||||
RtlCopyMemory(pInfo->FileName,
|
||||
DirContext->LongNameU.Buffer,
|
||||
BytesToCopy);
|
||||
*Written += BytesToCopy;
|
||||
|
||||
if (BytesToCopy == DirContext->LongNameU.Length)
|
||||
{
|
||||
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) +
|
||||
BytesToCopy);
|
||||
Status = STATUS_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
if (vfatVolumeIsFatX(DeviceExt))
|
||||
{
|
||||
pInfo->ShortName[0] = 0;
|
||||
pInfo->ShortNameLength = 0;
|
||||
/* pInfo->FileIndex = ; */
|
||||
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.FatX.CreationDate,
|
||||
DirContext->DirEntry.FatX.CreationTime,
|
||||
&pInfo->CreationTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.FatX.AccessDate,
|
||||
DirContext->DirEntry.FatX.AccessTime,
|
||||
&pInfo->LastAccessTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.FatX.UpdateDate,
|
||||
DirContext->DirEntry.FatX.UpdateTime,
|
||||
&pInfo->LastWriteTime);
|
||||
|
||||
pInfo->ChangeTime = pInfo->LastWriteTime;
|
||||
|
||||
if (BooleanFlagOn(DirContext->DirEntry.FatX.Attrib, FILE_ATTRIBUTE_DIRECTORY))
|
||||
{
|
||||
pInfo->EndOfFile.QuadPart = 0;
|
||||
pInfo->AllocationSize.QuadPart = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
pInfo->EndOfFile.u.HighPart = 0;
|
||||
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
|
||||
/* Make allocsize a rounded up multiple of BytesPerCluster */
|
||||
pInfo->AllocationSize.u.HighPart = 0;
|
||||
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
|
||||
DeviceExt->FatInfo.BytesPerCluster);
|
||||
}
|
||||
|
||||
pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
|
||||
}
|
||||
else
|
||||
{
|
||||
pInfo->EndOfFile.u.HighPart = 0;
|
||||
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.FatX.FileSize;
|
||||
/* Make allocsize a rounded up multiple of BytesPerCluster */
|
||||
pInfo->AllocationSize.u.HighPart = 0;
|
||||
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.FatX.FileSize,
|
||||
DeviceExt->FatInfo.BytesPerCluster);
|
||||
pInfo->ShortNameLength = (CCHAR)DirContext->ShortNameU.Length;
|
||||
|
||||
RtlCopyMemory(pInfo->FileName,
|
||||
DirContext->LongNameU.Buffer,
|
||||
DirContext->LongNameU.Length);
|
||||
|
||||
/* pInfo->FileIndex = ; */
|
||||
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.CreationDate,
|
||||
DirContext->DirEntry.Fat.CreationTime,
|
||||
&pInfo->CreationTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.AccessDate,
|
||||
0,
|
||||
&pInfo->LastAccessTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.UpdateDate,
|
||||
DirContext->DirEntry.Fat.UpdateTime,
|
||||
&pInfo->LastWriteTime);
|
||||
|
||||
pInfo->ChangeTime = pInfo->LastWriteTime;
|
||||
|
||||
if (BooleanFlagOn(DirContext->DirEntry.Fat.Attrib, FILE_ATTRIBUTE_DIRECTORY))
|
||||
{
|
||||
pInfo->EndOfFile.QuadPart = 0;
|
||||
pInfo->AllocationSize.QuadPart = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
pInfo->EndOfFile.u.HighPart = 0;
|
||||
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
|
||||
/* Make allocsize a rounded up multiple of BytesPerCluster */
|
||||
pInfo->AllocationSize.u.HighPart = 0;
|
||||
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize, DeviceExt->FatInfo.BytesPerCluster);
|
||||
}
|
||||
|
||||
pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
|
||||
}
|
||||
|
||||
pInfo->FileAttributes = DirContext->DirEntry.FatX.Attrib & 0x3f;
|
||||
}
|
||||
else
|
||||
{
|
||||
pInfo->FileNameLength = DirContext->LongNameU.Length;
|
||||
pInfo->NextEntryOffset = ULONG_ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) +
|
||||
DirContext->LongNameU.Length);
|
||||
|
||||
RtlCopyMemory(pInfo->ShortName,
|
||||
DirContext->ShortNameU.Buffer,
|
||||
DirContext->ShortNameU.Length);
|
||||
|
||||
pInfo->ShortNameLength = (CCHAR)DirContext->ShortNameU.Length;
|
||||
|
||||
RtlCopyMemory(pInfo->FileName,
|
||||
DirContext->LongNameU.Buffer,
|
||||
DirContext->LongNameU.Length);
|
||||
|
||||
/* pInfo->FileIndex = ; */
|
||||
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.CreationDate,
|
||||
DirContext->DirEntry.Fat.CreationTime,
|
||||
&pInfo->CreationTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.AccessDate,
|
||||
0,
|
||||
&pInfo->LastAccessTime);
|
||||
FsdDosDateTimeToSystemTime(DeviceExt,
|
||||
DirContext->DirEntry.Fat.UpdateDate,
|
||||
DirContext->DirEntry.Fat.UpdateTime,
|
||||
&pInfo->LastWriteTime);
|
||||
|
||||
pInfo->ChangeTime = pInfo->LastWriteTime;
|
||||
|
||||
if (BooleanFlagOn(DirContext->DirEntry.Fat.Attrib, FILE_ATTRIBUTE_DIRECTORY))
|
||||
{
|
||||
pInfo->EndOfFile.QuadPart = 0;
|
||||
pInfo->AllocationSize.QuadPart = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
pInfo->EndOfFile.u.HighPart = 0;
|
||||
pInfo->EndOfFile.u.LowPart = DirContext->DirEntry.Fat.FileSize;
|
||||
/* Make allocsize a rounded up multiple of BytesPerCluster */
|
||||
pInfo->AllocationSize.u.HighPart = 0;
|
||||
pInfo->AllocationSize.u.LowPart = ROUND_UP(DirContext->DirEntry.Fat.FileSize, DeviceExt->FatInfo.BytesPerCluster);
|
||||
}
|
||||
|
||||
pInfo->FileAttributes = DirContext->DirEntry.Fat.Attrib & 0x3f;
|
||||
}
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
return Status;
|
||||
}
|
||||
|
||||
static
|
||||
|
|
@ -402,6 +487,7 @@ DoQuery(
|
|||
VFAT_DIRENTRY_CONTEXT DirContext;
|
||||
WCHAR LongNameBuffer[LONGNAME_MAX_LENGTH + 1];
|
||||
WCHAR ShortNameBuffer[13];
|
||||
ULONG Written;
|
||||
|
||||
PIO_STACK_LOCATION Stack = IrpContext->Stack;
|
||||
|
||||
|
|
@ -517,6 +603,7 @@ DoQuery(
|
|||
DirContext.ShortNameU.Buffer = ShortNameBuffer;
|
||||
DirContext.ShortNameU.MaximumLength = sizeof(ShortNameBuffer);
|
||||
|
||||
Written = 0;
|
||||
while ((Status == STATUS_SUCCESS) && (BufferLength > 0))
|
||||
{
|
||||
Status = FindFile(IrpContext->DeviceExt,
|
||||
|
|
@ -536,28 +623,36 @@ DoQuery(
|
|||
case FileNameInformation:
|
||||
Status = VfatGetFileNameInformation(&DirContext,
|
||||
(PFILE_NAMES_INFORMATION)Buffer,
|
||||
BufferLength);
|
||||
BufferLength,
|
||||
&Written,
|
||||
Buffer0 == NULL);
|
||||
break;
|
||||
|
||||
case FileDirectoryInformation:
|
||||
Status = VfatGetFileDirectoryInformation(&DirContext,
|
||||
IrpContext->DeviceExt,
|
||||
(PFILE_DIRECTORY_INFORMATION)Buffer,
|
||||
BufferLength);
|
||||
BufferLength,
|
||||
&Written,
|
||||
Buffer0 == NULL);
|
||||
break;
|
||||
|
||||
case FileFullDirectoryInformation:
|
||||
Status = VfatGetFileFullDirectoryInformation(&DirContext,
|
||||
IrpContext->DeviceExt,
|
||||
(PFILE_FULL_DIR_INFORMATION)Buffer,
|
||||
BufferLength);
|
||||
BufferLength,
|
||||
&Written,
|
||||
Buffer0 == NULL);
|
||||
break;
|
||||
|
||||
case FileBothDirectoryInformation:
|
||||
Status = VfatGetFileBothInformation(&DirContext,
|
||||
IrpContext->DeviceExt,
|
||||
(PFILE_BOTH_DIR_INFORMATION)Buffer,
|
||||
BufferLength);
|
||||
BufferLength,
|
||||
&Written,
|
||||
Buffer0 == NULL);
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -591,6 +686,12 @@ DoQuery(
|
|||
Status = STATUS_SUCCESS;
|
||||
IrpContext->Irp->IoStatus.Information = Stack->Parameters.QueryDirectory.Length - BufferLength;
|
||||
}
|
||||
else
|
||||
{
|
||||
ASSERT(Status != STATUS_SUCCESS || BufferLength == 0);
|
||||
ASSERT(Written <= Stack->Parameters.QueryDirectory.Length);
|
||||
IrpContext->Irp->IoStatus.Information = Written;
|
||||
}
|
||||
|
||||
ExReleaseResourceLite(&pFcb->MainResource);
|
||||
ExReleaseResourceLite(&IrpContext->DeviceExt->DirResource);
|
||||
|
|
|
|||
Loading…
Reference in a new issue