d01cd40196
This changes the file copy logic of machined to set the UID/GID of all copied files to 0 if the host and container do not share the same user namespace. Fixes: #4078
43 lines
1.9 KiB
C
43 lines
1.9 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <sys/types.h>
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typedef enum CopyFlags {
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COPY_REFLINK = 0x1, /* try to reflink */
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COPY_MERGE = 0x2, /* merge existing trees with our new one to copy */
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COPY_REPLACE = 0x4, /* replace an existing file if there's one */
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} CopyFlags;
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int copy_file_fd(const char *from, int to, CopyFlags copy_flags);
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int copy_file(const char *from, const char *to, int open_flags, mode_t mode, unsigned chattr_flags, CopyFlags copy_flags);
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int copy_file_atomic(const char *from, const char *to, mode_t mode, unsigned chattr_flags, CopyFlags copy_flags);
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int copy_tree(const char *from, const char *to, uid_t override_uid, gid_t override_gid, CopyFlags copy_flags);
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int copy_tree_at(int fdf, const char *from, int fdt, const char *to, uid_t override_uid, gid_t override_gid, CopyFlags copy_flags);
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int copy_directory_fd(int dirfd, const char *to, CopyFlags copy_flags);
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int copy_directory(const char *from, const char *to, CopyFlags copy_flags);
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int copy_bytes(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags);
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int copy_times(int fdf, int fdt);
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int copy_xattr(int fdf, int fdt);
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