forked from Mirrors/btrfs-progs
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_IMAGE_SANITIZE_H__
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#define __BTRFS_IMAGE_SANITIZE_H__
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#include "kerncompat.h"
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#include "image/metadump.h"
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struct name {
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struct rb_node n;
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char *val;
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char *sub;
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u32 len;
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};
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/*
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* Filenames and xattrs can be obfuscated so they don't appear in the image
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* dump. In basic mode (NAMES) a random string will be generated but such names
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* do not match the direntry hashes. The advanced mode (COLLISIONS) tries to
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* generate names that appear random but also match the hashes. This however
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* may take significantly more time than the basic mode. And may not even
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* succeed.
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*/
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enum sanitize_mode {
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SANITIZE_NONE,
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SANITIZE_NAMES,
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SANITIZE_COLLISIONS
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};
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void sanitize_name(enum sanitize_mode sanitize, struct rb_root *name_tree,
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u8 *dst, struct extent_buffer *src, struct btrfs_key *key,
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int slot);
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#endif
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