2 * linux/fs/ext2/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/ext2_fs.h>
14 ext2_xattr_security_list(char *list, struct inode *inode,
15 const char *name, int name_len)
17 const int prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1;
20 memcpy(list, XATTR_SECURITY_PREFIX, prefix_len);
21 memcpy(list+prefix_len, name, name_len);
22 list[prefix_len + name_len] = '\0';
24 return prefix_len + name_len + 1;
28 ext2_xattr_security_get(struct inode *inode, const char *name,
29 void *buffer, size_t size)
31 if (strcmp(name, "") == 0)
33 return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name,
38 ext2_xattr_security_set(struct inode *inode, const char *name,
39 const void *value, size_t size, int flags)
41 if (strcmp(name, "") == 0)
43 return ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, name,
47 struct ext2_xattr_handler ext2_xattr_security_handler = {
48 .prefix = XATTR_SECURITY_PREFIX,
49 .list = ext2_xattr_security_list,
50 .get = ext2_xattr_security_get,
51 .set = ext2_xattr_security_set,