xref: /linux/security/integrity/evm/evm_posix_acl.c (revision c0c914eca7f251c70facc37dfebeaf176601918d)
1 /*
2  * Copyright (C) 2011 IBM Corporation
3  *
4  * Author:
5  * Mimi Zohar <zohar@us.ibm.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, version 2 of the License.
10  */
11 
12 #include <linux/module.h>
13 #include <linux/xattr.h>
14 #include <linux/evm.h>
15 
16 int posix_xattr_acl(const char *xattr)
17 {
18 	int xattr_len = strlen(xattr);
19 
20 	if ((strlen(XATTR_NAME_POSIX_ACL_ACCESS) == xattr_len)
21 	     && (strncmp(XATTR_NAME_POSIX_ACL_ACCESS, xattr, xattr_len) == 0))
22 		return 1;
23 	if ((strlen(XATTR_NAME_POSIX_ACL_DEFAULT) == xattr_len)
24 	     && (strncmp(XATTR_NAME_POSIX_ACL_DEFAULT, xattr, xattr_len) == 0))
25 		return 1;
26 	return 0;
27 }
28