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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 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., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef __BTRFS_IMAGE_SANITIZE_H__
#define __BTRFS_IMAGE_SANITIZE_H__
#include "kerncompat.h"
#include "image/metadump.h"
struct name {
struct rb_node n;
char *val;
char *sub;
u32 len;
};
/*
* Filenames and xattrs can be obfuscated so they don't appear in the image
* dump. In basic mode (NAMES) a random string will be generated but such names
* do not match the direntry hashes. The advanced mode (COLLISIONS) tries to
* generate names that appear random but also match the hashes. This however
* may take significantly more time than the basic mode. And may not even
* succeed.
*/
enum sanitize_mode {
SANITIZE_NONE,
SANITIZE_NAMES,
SANITIZE_COLLISIONS
};
void sanitize_name(enum sanitize_mode sanitize, struct rb_root *name_tree,
u8 *dst, struct extent_buffer *src, struct btrfs_key *key,
int slot);
#endif
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