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#include "idl_types.h"
/*
IDL structures for xattr file attributes
this has nothing to do with RPC, we are just using our NDR/IDL
infrastructure as a convenient way to store linearised information
about a file in a architecture independent manner
*/
interface xattr
{
const string XATTR_DOSATTRIB_NAME = "user.DosAttrib";
const string XATTR_DOSATTRIB_ESTIMATED_SIZE = 64;
/* we store basic dos attributes in a DosAttrib xattr. By
using a union we can cope with new version of this
structure more easily */
typedef struct {
uint32 attrib;
uint32 ea_size;
uint64 size;
uint64 alloc_size;
NTTIME create_time;
NTTIME change_time;
} xattr_DosInfo1;
typedef union {
[case(1)] xattr_DosInfo1 info1;
} xattr_DosInfo;
typedef [public] struct {
uint16 version;
[switch_is(version)] xattr_DosInfo info;
} xattr_DosAttrib;
/* we store DOS style extended attributes in a DosEAs xattr */
const string XATTR_DOSEAS_NAME = "user.DosEAs";
typedef struct {
utf8string name;
DATA_BLOB value;
} xattr_EA;
typedef [public] struct {
uint16 num_eas;
[size_is(num_eas)] xattr_EA *eas;
} xattr_DosEAs;
/* we store stream information in this xattr structure. Then
the streams themselves are stored in
user.DosStream.STREAMNAME or in external files, according
to the flags */
const string XATTR_DOSSTREAMS_NAME = "user.DosStreams";
const int XATTR_STREAM_FLAG_INTERNAL = 0x00000001;
/* stream data is stored in attributes with the given prefix */
const string XATTR_DOSSTREAM_PREFIX = "user.DosStream.";
const int XATTR_MAX_STREAM_SIZE = 0x4000;
typedef struct {
uint32 flags;
uint64 size;
uint64 alloc_size;
utf8string name;
} xattr_DosStream;
typedef [public] struct {
uint32 num_streams;
[size_is(num_streams)] xattr_DosStream *streams;
} xattr_DosStreams;
}
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