using System; namespace SMBLibrary { [Flags] public enum CreateOptions : uint { /// /// The file being created or opened is a directory file. /// With this option, the CreateDisposition field MUST be set to FILE_CREATE, FILE_OPEN, or FILE_OPEN_IF. /// FILE_DIRECTORY_FILE = 0x00000001, /// /// Applications that write data to the file MUST actually transfer the data into the file before any write request is considered complete. /// If FILE_NO_INTERMEDIATE_BUFFERING is set, the server MUST perform as if FILE_WRITE_THROUGH is set in the create request. /// FILE_WRITE_THROUGH = 0x00000002, /// /// This option indicates that access to the file can be sequential. /// The server can use this information to influence its caching and read-ahead strategy for this file. /// The file MAY in fact be accessed randomly, but the server can optimize its caching and read-ahead policy for sequential access. /// FILE_SEQUENTIAL_ONLY = 0x00000004, /// /// The file SHOULD NOT be cached or buffered in an internal buffer by the server. /// This option is incompatible when the FILE_APPEND_DATA bit field is set in the DesiredAccess field. /// FILE_NO_INTERMEDIATE_BUFFERING = 0x00000008, FILE_SYNCHRONOUS_IO_ALERT = 0x00000010, FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020, /// /// If the file being opened is a directory, the server MUST fail the request with STATUS_FILE_IS_A_DIRECTORY /// FILE_NON_DIRECTORY_FILE = 0x00000040, FILE_CREATE_TREE_CONNECTION = 0x00000080, FILE_COMPLETE_IF_OPLOCKED = 0x00000100, /// /// The application that initiated the client's request does not support extended attributes (EAs). /// If the EAs on an existing file being opened indicate that the caller SHOULD support EAs to correctly interpret the file, the server SHOULD fail this request with STATUS_ACCESS_DENIED. /// FILE_NO_EA_KNOWLEDGE = 0x00000200, /// /// formerly known as FILE_OPEN_FOR_RECOVERY /// FILE_OPEN_REMOTE_INSTANCE = 0x00000400, /// /// Indicates that access to the file can be random. /// The server MAY use this information to influence its caching and read-ahead strategy for this file. /// This is a hint to the server that sequential read-ahead operations might not be appropriate on the file. /// FILE_RANDOM_ACCESS = 0x00000800, /// /// The file SHOULD be automatically deleted when the last open request on this file is closed. /// When this option is set, the DesiredAccess field MUST include the DELETE flag. /// This option is often used for temporary files. /// FILE_DELETE_ON_CLOSE = 0x00001000, /// /// Opens a file based on the FileId. /// If this option is set, the server MUST fail the request with STATUS_NOT_SUPPORTED in the Status field of the SMB Header in the server response. /// FILE_OPEN_BY_FILE_ID = 0x00002000, /// /// The file is being opened or created for the purposes of either a backup or a restore operation. /// Thus, the server can make appropriate checks to ensure that the caller is capable of overriding /// whatever security checks have been placed on the file to allow a backup or restore operation to occur. /// The server can check for certain access rights to the file before checking the DesiredAccess field. /// FILE_OPEN_FOR_BACKUP_INTENT = 0x00004000, /// /// When a new file is created, the file MUST NOT be compressed, even if it is on a compressed volume. /// The flag MUST be ignored when opening an existing file. /// FILE_NO_COMPRESSION = 0x00008000, FILE_OPEN_REQUIRING_OPLOCK = 0x00010000, FILE_DISALLOW_EXCLUSIVE = 0x00020000, FILE_RESERVE_OPFILTER = 0x00100000, FILE_OPEN_REPARSE_POINT = 0x00200000, /// /// In a hierarchical storage management environment, this option requests that the file SHOULD NOT be recalled from tertiary storage such as tape. /// A file recall can take up to several minutes in a hierarchical storage management environment. /// The clients can specify this option to avoid such delays. /// FILE_OPEN_NO_RECALL = 0x00400000, FILE_OPEN_FOR_FREE_SPACE_QUERY = 0x00800000, } }