/* FUNCTIONS ****************************************************************/
+/**
+* @name AddData
+* @implemented
+*
+* Adds a $DATA attribute to a given FileRecord.
+*
+* @param FileRecord
+* Pointer to a complete file record to add the attribute to. Caller is responsible for
+* ensuring FileRecord is large enough to contain $DATA.
+*
+* @param AttributeAddress
+* Pointer to the region of memory that will receive the $DATA attribute.
+* This address must reside within FileRecord. Must be aligned to an 8-byte boundary (relative to FileRecord).
+*
+* @return
+* STATUS_SUCCESS on success. STATUS_NOT_IMPLEMENTED if target address isn't at the end
+* of the given file record.
+*
+* @remarks
+* Only adding the attribute to the end of the file record is supported; AttributeAddress must
+* be of type AttributeEnd.
+* As it's implemented, this function is only intended to assist in creating new file records. It
+* could be made more general-purpose by considering file records with an $ATTRIBUTE_LIST.
+* It's the caller's responsibility to ensure the given file record has enough memory allocated
+* for the attribute.
+*/
+NTSTATUS
+AddData(PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_RECORD AttributeAddress)
+{
+ ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
+ ULONG FileRecordEnd = AttributeAddress->Length;
+
+ if (AttributeAddress->Type != AttributeEnd)
+ {
+ DPRINT1("FIXME: Can only add $DATA attribute to the end of a file record.\n");
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ AttributeAddress->Type = AttributeData;
+ AttributeAddress->Length = ResidentHeaderLength;
+ AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, 8);
+ AttributeAddress->Resident.ValueLength = 0;
+ AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
+
+ // for unnamed $DATA attributes, NameOffset equals header length
+ AttributeAddress->NameOffset = ResidentHeaderLength;
+ AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
+
+ // move the attribute-end and file-record-end markers to the end of the file record
+ AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
+ SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
+
+ return STATUS_SUCCESS;
+}
+
+/**
+* @name AddFileName
+* @implemented
+*
+* Adds a $FILE_NAME attribute to a given FileRecord.
+*
+* @param FileRecord
+* Pointer to a complete file record to add the attribute to. Caller is responsible for
+* ensuring FileRecord is large enough to contain $FILE_NAME.
+*
+* @param AttributeAddress
+* Pointer to the region of memory that will receive the $FILE_NAME attribute.
+* This address must reside within FileRecord. Must be aligned to an 8-byte boundary (relative to FileRecord).
+*
+* @param DeviceExt
+* Points to the target disk's DEVICE_EXTENSION.
+*
+* @param FileObject
+* Pointer to the FILE_OBJECT which represents the new name.
+* This parameter is used to determine the filename and parent directory.
+*
+* @return
+* STATUS_SUCCESS on success. STATUS_NOT_IMPLEMENTED if target address isn't at the end
+* of the given file record.
+*
+* @remarks
+* Only adding the attribute to the end of the file record is supported; AttributeAddress must
+* be of type AttributeEnd.
+* As it's implemented, this function is only intended to assist in creating new file records. It
+* could be made more general-purpose by considering file records with an $ATTRIBUTE_LIST.
+* It's the caller's responsibility to ensure the given file record has enough memory allocated
+* for the attribute.
+*/
+NTSTATUS
+AddFileName(PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_RECORD AttributeAddress,
+ PDEVICE_EXTENSION DeviceExt,
+ PFILE_OBJECT FileObject)
+{
+ ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
+ PFILENAME_ATTRIBUTE FileNameAttribute;
+ LARGE_INTEGER SystemTime;
+ ULONG FileRecordEnd = AttributeAddress->Length;
+ ULONGLONG CurrentMFTIndex = NTFS_FILE_ROOT;
+ UNICODE_STRING Current, Remaining;
+ NTSTATUS Status = STATUS_SUCCESS;
+ ULONG FirstEntry = 0;
+
+ if (AttributeAddress->Type != AttributeEnd)
+ {
+ DPRINT1("FIXME: Can only add $FILE_NAME attribute to the end of a file record.\n");
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ AttributeAddress->Type = AttributeFileName;
+ AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
+
+ FileNameAttribute = (PFILENAME_ATTRIBUTE)((LONG_PTR)AttributeAddress + ResidentHeaderLength);
+
+ // set timestamps
+ KeQuerySystemTime(&SystemTime);
+ FileNameAttribute->CreationTime = SystemTime.QuadPart;
+ FileNameAttribute->ChangeTime = SystemTime.QuadPart;
+ FileNameAttribute->LastWriteTime = SystemTime.QuadPart;
+ FileNameAttribute->LastAccessTime = SystemTime.QuadPart;
+
+ FileNameAttribute->FileAttributes = NTFS_FILE_TYPE_ARCHIVE;
+
+ // we need to extract the filename from the path
+ DPRINT1("Pathname: %wZ\n", &FileObject->FileName);
+
+ FsRtlDissectName(FileObject->FileName, &Current, &Remaining);
+
+ while (Current.Length != 0)
+ {
+ DPRINT1("Current: %wZ\n", &Current);
+
+ Status = NtfsFindMftRecord(DeviceExt, CurrentMFTIndex, &Current, &FirstEntry, FALSE, &CurrentMFTIndex);
+ if (!NT_SUCCESS(Status))
+ {
+ break;
+ }
+
+ if (Remaining.Length == 0)
+ break;
+
+ FsRtlDissectName(Current, &Current, &Remaining);
+ }
+
+ DPRINT1("MFT Index of parent: %I64u\n", CurrentMFTIndex);
+
+ // set reference to parent directory
+ FileNameAttribute->DirectoryFileReferenceNumber = CurrentMFTIndex;
+
+ // The highest 2 bytes should be the sequence number, unless the parent happens to be root
+ if (CurrentMFTIndex == NTFS_FILE_ROOT)
+ FileNameAttribute->DirectoryFileReferenceNumber |= (ULONGLONG)NTFS_FILE_ROOT << 48;
+ else
+ FileNameAttribute->DirectoryFileReferenceNumber |= (ULONGLONG)FileRecord->SequenceNumber << 48;
+
+ DPRINT1("FileNameAttribute->DirectoryFileReferenceNumber: 0x%I64x\n", FileNameAttribute->DirectoryFileReferenceNumber);
+
+ FileNameAttribute->NameLength = Current.Length / 2;
+ // TODO: Get proper nametype, add DOS links as needed
+ FileNameAttribute->NameType = NTFS_FILE_NAME_WIN32_AND_DOS;
+ RtlCopyMemory(FileNameAttribute->Name, Current.Buffer, Current.Length);
+ FileRecord->LinkCount++;
+
+ AttributeAddress->Length = ResidentHeaderLength +
+ FIELD_OFFSET(FILENAME_ATTRIBUTE, Name) + Current.Length;
+ AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, 8);
+
+ AttributeAddress->Resident.ValueLength = FIELD_OFFSET(FILENAME_ATTRIBUTE, Name) + Current.Length;
+ AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
+ AttributeAddress->Resident.Flags = 1; // indexed
+
+ // move the attribute-end and file-record-end markers to the end of the file record
+ AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
+ SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
+
+ return Status;
+}
+
/**
* @name AddRun
* @implemented
return Status;
}
+/**
+* @name AddStandardInformation
+* @implemented
+*
+* Adds a $STANDARD_INFORMATION attribute to a given FileRecord.
+*
+* @param FileRecord
+* Pointer to a complete file record to add the attribute to. Caller is responsible for
+* ensuring FileRecord is large enough to contain $STANDARD_INFORMATION.
+*
+* @param AttributeAddress
+* Pointer to the region of memory that will receive the $STANDARD_INFORMATION attribute.
+* This address must reside within FileRecord. Must be aligned to an 8-byte boundary (relative to FileRecord).
+*
+* @return
+* STATUS_SUCCESS on success. STATUS_NOT_IMPLEMENTED if target address isn't at the end
+* of the given file record.
+*
+* @remarks
+* Only adding the attribute to the end of the file record is supported; AttributeAddress must
+* be of type AttributeEnd.
+* As it's implemented, this function is only intended to assist in creating new file records. It
+* could be made more general-purpose by considering file records with an $ATTRIBUTE_LIST.
+* It's the caller's responsibility to ensure the given file record has enough memory allocated
+* for the attribute.
+*/
+NTSTATUS
+AddStandardInformation(PFILE_RECORD_HEADER FileRecord,
+ PNTFS_ATTR_RECORD AttributeAddress)
+{
+ ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
+ PSTANDARD_INFORMATION StandardInfo = (PSTANDARD_INFORMATION)((LONG_PTR)AttributeAddress + ResidentHeaderLength);
+ LARGE_INTEGER SystemTime;
+ ULONG FileRecordEnd = AttributeAddress->Length;
+
+ if (AttributeAddress->Type != AttributeEnd)
+ {
+ DPRINT1("FIXME: Can only add $STANDARD_INFORMATION attribute to the end of a file record.\n");
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ AttributeAddress->Type = AttributeStandardInformation;
+ AttributeAddress->Length = sizeof(STANDARD_INFORMATION) + ResidentHeaderLength;
+ AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, 8);
+ AttributeAddress->Resident.ValueLength = sizeof(STANDARD_INFORMATION);
+ AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
+ AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
+
+ // set dates and times
+ KeQuerySystemTime(&SystemTime);
+ StandardInfo->CreationTime = SystemTime.QuadPart;
+ StandardInfo->ChangeTime = SystemTime.QuadPart;
+ StandardInfo->LastWriteTime = SystemTime.QuadPart;
+ StandardInfo->LastAccessTime = SystemTime.QuadPart;
+ StandardInfo->FileAttribute = NTFS_FILE_TYPE_ARCHIVE;
+
+ // move the attribute-end and file-record-end markers to the end of the file record
+ AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
+ SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
+
+ return STATUS_SUCCESS;
+}
+
/**
* @name ConvertDataRunsToLargeMCB
* @implemented
projects / reactos.git / blobdiff