ac9de0b379
Enable masking the /proc folder using the 'InaccessiblePaths' unit option. This also slightly simplify mounts setup as the bind_remount_recursive function will only open /proc/self/mountinfo once. This is based on the suggestion at: https://lists.freedesktop.org/archives/systemd-devel/2017-April/038634.html
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 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 <fcntl.h>
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#include <mntent.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "macro.h"
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#include "missing.h"
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int fd_is_mount_point(int fd, const char *filename, int flags);
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int path_is_mount_point(const char *path, const char *root, int flags);
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int repeat_unmount(const char *path, int flags);
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int umount_recursive(const char *target, int flags);
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int bind_remount_recursive(const char *prefix, bool ro, char **blacklist);
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int bind_remount_recursive_with_mountinfo(const char *prefix, bool ro, char **blacklist, FILE *proc_self_mountinfo);
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int mount_move_root(const char *path);
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DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
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#define _cleanup_endmntent_ _cleanup_(endmntentp)
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bool fstype_is_network(const char *fstype);
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union file_handle_union {
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struct file_handle handle;
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char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ];
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};
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const char* mode_to_inaccessible_node(mode_t mode);
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#define FILE_HANDLE_INIT { .handle.handle_bytes = MAX_HANDLE_SZ }
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int mount_verbose(
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int error_log_level,
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const char *what,
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const char *where,
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const char *type,
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unsigned long flags,
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const char *options);
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int umount_verbose(const char *where);
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const char *mount_propagation_flags_to_string(unsigned long flags);
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int mount_propagation_flags_from_string(const char *name, unsigned long *ret);
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