2 * linux/fs/ext3/xattr_security.c
3 * Handler for storing security labels as extended attributes.
6 #include <linux/module.h>
7 #include <linux/string.h>
9 #include <linux/smp_lock.h>
10 #include <linux/ext3_jbd.h>
11 #include <linux/ext3_fs.h>
15 ext3_xattr_security_list(char *list
, struct inode
*inode
,
16 const char *name
, int name_len
)
18 const int prefix_len
= sizeof(XATTR_SECURITY_PREFIX
)-1;
21 memcpy(list
, XATTR_SECURITY_PREFIX
, prefix_len
);
22 memcpy(list
+prefix_len
, name
, name_len
);
23 list
[prefix_len
+ name_len
] = '\0';
25 return prefix_len
+ name_len
+ 1;
29 ext3_xattr_security_get(struct inode
*inode
, const char *name
,
30 void *buffer
, size_t size
)
32 if (strcmp(name
, "") == 0)
34 return ext3_xattr_get(inode
, EXT3_XATTR_INDEX_SECURITY
, name
,
39 ext3_xattr_security_set(struct inode
*inode
, const char *name
,
40 const void *value
, size_t size
, int flags
)
42 if (strcmp(name
, "") == 0)
44 return ext3_xattr_set(inode
, EXT3_XATTR_INDEX_SECURITY
, name
,
48 struct ext3_xattr_handler ext3_xattr_security_handler
= {
49 .prefix
= XATTR_SECURITY_PREFIX
,
50 .list
= ext3_xattr_security_list
,
51 .get
= ext3_xattr_security_get
,
52 .set
= ext3_xattr_security_set
,