| /* |
| * linux/fs/ext2/xattr_security.c |
| * Handler for storing security labels as extended attributes. |
| */ |
| |
| #include "ext2.h" |
| #include <linux/security.h> |
| #include "xattr.h" |
| |
| static int |
| ext2_xattr_security_get(const struct xattr_handler *handler, |
| struct dentry *unused, struct inode *inode, |
| const char *name, void *buffer, size_t size) |
| { |
| return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name, |
| buffer, size); |
| } |
| |
| static int |
| ext2_xattr_security_set(const struct xattr_handler *handler, |
| struct dentry *dentry, const char *name, |
| const void *value, size_t size, int flags) |
| { |
| return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_SECURITY, name, |
| value, size, flags); |
| } |
| |
| static int ext2_initxattrs(struct inode *inode, const struct xattr *xattr_array, |
| void *fs_info) |
| { |
| const struct xattr *xattr; |
| int err = 0; |
| |
| for (xattr = xattr_array; xattr->name != NULL; xattr++) { |
| err = ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, |
| xattr->name, xattr->value, |
| xattr->value_len, 0); |
| if (err < 0) |
| break; |
| } |
| return err; |
| } |
| |
| int |
| ext2_init_security(struct inode *inode, struct inode *dir, |
| const struct qstr *qstr) |
| { |
| return security_inode_init_security(inode, dir, qstr, |
| &ext2_initxattrs, NULL); |
| } |
| |
| const struct xattr_handler ext2_xattr_security_handler = { |
| .prefix = XATTR_SECURITY_PREFIX, |
| .get = ext2_xattr_security_get, |
| .set = ext2_xattr_security_set, |
| }; |