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980ba4e842
Process an enable_verity cmd by running the enable verity ioctl on the file. Since enabling verity denies write access to the file, it is important that we don't have any open write file descriptors. This also revs the send stream format to version 3 with no format changes besides the new commands and attributes. This version is not finalized and commands may change, also this needs to be synchronized with any kernel changes. Note: the build is conditional on the header linux/fsverity.h Signed-off-by: Boris Burkov <boris@bur.io> Signed-off-by: David Sterba <dsterba@suse.com>
74 lines
3.0 KiB
C
74 lines
3.0 KiB
C
/*
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* Copyright (C) 2012 Alexander Block. All rights reserved.
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*
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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_SEND_STREAM_H__
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#define __BTRFS_SEND_STREAM_H__
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#include "kerncompat.h"
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struct btrfs_send_ops {
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int (*subvol)(const char *path, const u8 *uuid, u64 ctransid,
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void *user);
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int (*snapshot)(const char *path, const u8 *uuid, u64 ctransid,
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const u8 *parent_uuid, u64 parent_ctransid,
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void *user);
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int (*mkfile)(const char *path, void *user);
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int (*mkdir)(const char *path, void *user);
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int (*mknod)(const char *path, u64 mode, u64 dev, void *user);
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int (*mkfifo)(const char *path, void *user);
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int (*mksock)(const char *path, void *user);
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int (*symlink)(const char *path, const char *lnk, void *user);
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int (*rename)(const char *from, const char *to, void *user);
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int (*link)(const char *path, const char *lnk, void *user);
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int (*unlink)(const char *path, void *user);
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int (*rmdir)(const char *path, void *user);
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int (*write)(const char *path, const void *data, u64 offset, u64 len,
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void *user);
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int (*clone)(const char *path, u64 offset, u64 len,
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const u8 *clone_uuid, u64 clone_ctransid,
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const char *clone_path, u64 clone_offset,
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void *user);
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int (*set_xattr)(const char *path, const char *name, const void *data,
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int len, void *user);
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int (*remove_xattr)(const char *path, const char *name, void *user);
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int (*truncate)(const char *path, u64 size, void *user);
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int (*chmod)(const char *path, u64 mode, void *user);
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int (*chown)(const char *path, u64 uid, u64 gid, void *user);
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int (*utimes)(const char *path, struct timespec *at,
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struct timespec *mt, struct timespec *ct,
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void *user);
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int (*update_extent)(const char *path, u64 offset, u64 len, void *user);
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int (*encoded_write)(const char *path, const void *data, u64 offset,
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u64 len, u64 unencoded_file_len, u64 unencoded_len,
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u64 unencoded_offset, u32 compression,
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u32 encryption, void *user);
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int (*fallocate)(const char *path, int mode, u64 offset, u64 len,
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void *user);
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int (*fileattr)(const char *path, u64 attr, void *user);
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int (*enable_verity)(const char *path, u8 algorithm, u32 block_size,
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int salt_len, char *salt,
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int sig_len, char *sig, void *user);
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};
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int btrfs_read_and_process_send_stream(int fd,
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struct btrfs_send_ops *ops, void *user,
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int honor_end_cmd,
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u64 max_errors);
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#endif
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