2 #include <linux/capability.h>
3 #include <linux/errno.h>
5 #include <linux/pagemap.h>
6 #include <linux/xattr.h>
8 #include <linux/uaccess.h>
11 trusted_get(const struct xattr_handler *handler, struct dentry *dentry,
12 const char *name, void *buffer, size_t size)
14 if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
17 if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
20 return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
24 trusted_set(const struct xattr_handler *handler, struct dentry *dentry,
25 const char *name, const void *buffer, size_t size, int flags)
27 if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
30 if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
33 return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
36 static size_t trusted_list(const struct xattr_handler *handler,
37 struct dentry *dentry, char *list, size_t list_size,
38 const char *name, size_t name_len)
40 const size_t len = name_len + 1;
42 if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
45 if (list && len <= list_size) {
46 memcpy(list, name, name_len);
47 list[name_len] = '\0';
52 const struct xattr_handler reiserfs_xattr_trusted_handler = {
53 .prefix = XATTR_TRUSTED_PREFIX,