ubifs: support offline signed images

[linux-2.6-microblaze.git] / fs / ubifs / ubifs.h

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index fd7f399..c55f212 100644 (file)
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * This file is part of UBIFS.
  *
  * Copyright (C) 2006-2008 Nokia Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
  * Authors: Artem Bityutskiy (Битюцкий Артём)
  *          Adrian Hunter
  */
@@ -1116,7 +1104,6 @@ struct ubifs_debug_info;
  *                used to store indexing nodes (@leb_size - @max_idx_node_sz)
  * @leb_cnt: count of logical eraseblocks
  * @max_leb_cnt: maximum count of logical eraseblocks
- * @old_leb_cnt: count of logical eraseblocks before re-size
  * @ro_media: the underlying UBI volume is read-only
  * @ro_mount: the file-system was mounted as read-only
  * @ro_error: UBIFS switched to R/O mode because an error happened
@@ -1307,6 +1294,7 @@ struct ubifs_info {
        unsigned int rw_incompat:1;
        unsigned int assert_action:2;
        unsigned int authenticated:1;
+       unsigned int superblock_need_write:1;
 
        struct mutex tnc_mutex;
        struct ubifs_zbranch zroot;
@@ -1364,7 +1352,6 @@ struct ubifs_info {
        int idx_leb_size;
        int leb_cnt;
        int max_leb_cnt;
-       int old_leb_cnt;
        unsigned int ro_media:1;
        unsigned int ro_mount:1;
        unsigned int ro_error:1;
@@ -1692,6 +1679,9 @@ static inline int ubifs_auth_node_sz(const struct ubifs_info *c)
        else
                return 0;
 }
+int ubifs_sb_verify_signature(struct ubifs_info *c,
+                             const struct ubifs_sb_node *sup);
+bool ubifs_hmac_zero(struct ubifs_info *c, const u8 *hmac);
 
 int ubifs_hmac_wkm(struct ubifs_info *c, u8 *hmac);