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
  15 int posix_xattr_acl(char *xattr)
  16 {
  17         int xattr_len = strlen(xattr);
  18
  19         if ((strlen(XATTR_NAME_POSIX_ACL_ACCESS) == xattr_len)
  20              && (strncmp(XATTR_NAME_POSIX_ACL_ACCESS, xattr, xattr_len) == 0))
  21                 return 1;
  22         if ((strlen(XATTR_NAME_POSIX_ACL_DEFAULT) == xattr_len)
  23              && (strncmp(XATTR_NAME_POSIX_ACL_DEFAULT, xattr, xattr_len) == 0))
  24                 return 1;
  25         return 0;
  26 }