security/integrity/evm/evm_posix_acl.c

   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 }