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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* libmount.h - libmount API
*
* This file is part of libmount from util-linux project.
*
* Copyright (C) 2008-2018 Karel Zak <kzak@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _LIBMOUNT_MOUNT_H
#define _LIBMOUNT_MOUNT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#include <mntent.h>
#include <sys/types.h>
/* Make sure libc MS_* definitions are used by default. Note that MS_* flags
* may be already defined by linux/fs.h or another file -- in this case we
* don't want to include sys/mount.h at all to avoid collisions.
*/
#if defined(__linux__) && !defined(MS_RDONLY)
# include <sys/mount.h>
#endif
#define LIBMOUNT_VERSION "2.37.4"
#define LIBMOUNT_MAJOR_VERSION 2
#define LIBMOUNT_MINOR_VERSION 37
#define LIBMOUNT_PATCH_VERSION 4
/**
* libmnt_cache:
*
* Stores canonicalized paths and evaluated tags
*/
struct libmnt_cache;
/**
* libmnt_lock:
*
* Stores information about the locked file (e.g. /etc/mtab)
*/
struct libmnt_lock;
/**
* libmnt_iter:
*
* Generic iterator (stores state about lists)
*/
struct libmnt_iter;
/**
* libmnt_optmap:
* @name: option name[=type] where type is printf-like type specifier")
* @id: option ID or MS_* flags (e.g MS_RDONLY)
* @mask: MNT_{NOMTAB,INVERT,...} mask
*
* Mount options description (map)
*/
struct libmnt_optmap
{
const char *name;
int id;
int mask;
};
/*
* mount options map masks
*/
#define MNT_INVERT (1 << 1) /* invert the mountflag */
#define MNT_NOMTAB (1 << 2) /* skip in the mtab option string */
#define MNT_PREFIX (1 << 3) /* prefix used for some options (e.g. "x-foo") */
#define MNT_NOHLPS (1 << 4) /* don't add the option to mount.<type> helpers command line */
/**
* libmnt_fs:
*
* Parsed fstab/mtab/mountinfo entry
*/
struct libmnt_fs;
/**
* libmnt_table:
*
* List of struct libmnt_fs entries (parsed fstab/mtab/mountinfo)
*/
struct libmnt_table;
/**
* libmnt_update
*
* /etc/mtab or utab update description
*/
struct libmnt_update;
/**
* libmnt_context
*
* Mount/umount status
*/
struct libmnt_context;
/**
* libmnt_monitor
*
* Mount tables monitor
*/
struct libmnt_monitor;
/**
* libmnt_tabdiff:
*
* Stores mountinfo state
*/
struct libmnt_tabdiff;
/**
* libmnt_ns:
*
* Describes mount namespace
*/
struct libmnt_ns;
/*
* Actions
*/
enum {
MNT_ACT_MOUNT = 1,
MNT_ACT_UMOUNT
};
/*
* Errors -- by default libmount returns -errno for generic errors (ENOMEM,
* EINVAL, ...) and for mount(2) errors, but for some specific operations it
* returns private error codes. Note that maximum system errno value should be
* 4095 on UNIXes.
*
* See also mnt_context_get_syscall_errno() and mnt_context_get_helper_status().
*/
/**
* MNT_ERR_NOFSTAB:
*
* not found required entry in fstab
*/
#define MNT_ERR_NOFSTAB 5000
/**
* MNT_ERR_NOFSTYPE:
*
* failed to detect filesystem type
*/
#define MNT_ERR_NOFSTYPE 5001
/**
* MNT_ERR_NOSOURCE:
*
* required mount source undefined
*/
#define MNT_ERR_NOSOURCE 5002
/**
* MNT_ERR_LOOPDEV:
*
* loopdev setup failed, errno set by libc
*/
#define MNT_ERR_LOOPDEV 5003
/**
* MNT_ERR_MOUNTOPT:
*
* failed to parse/use userspace mount options
*/
#define MNT_ERR_MOUNTOPT 5004
/**
* MNT_ERR_APPLYFLAGS:
*
* failed to apply MS_PROPAGATION flags
*/
#define MNT_ERR_APPLYFLAGS 5005
/**
* MNT_ERR_AMBIFS:
*
* libblkid detected more filesystems on the device
*/
#define MNT_ERR_AMBIFS 5006
/**
* MNT_ERR_LOOPOVERLAP:
*
* detected overlapping loop device that cannot be re-used
*/
#define MNT_ERR_LOOPOVERLAP 5007
/**
* MNT_ERR_LOCK:
*
* failed to lock mtab/utab or so.
*/
#define MNT_ERR_LOCK 5008
/**
* MNT_ERR_NAMESPACE:
*
* failed to switch namespace
*/
#define MNT_ERR_NAMESPACE 5009
/*
* Overall return codes -- based on mount(8) and umount(8) return codes.
* See mnt_context_get_excode() for more details.
*/
/**
* MNT_EX_SUCCESS:
*
* [u]mount(8) exit code: no errors
*/
#define MNT_EX_SUCCESS 0
/**
* MNT_EX_USAGE:
*
* [u]mount(8) exit code: incorrect invocation or permission
*/
#define MNT_EX_USAGE 1
/**
* MNT_EX_SYSERR:
*
* [u]mount(8) exit code: out of memory, cannot fork, ...
*/
#define MNT_EX_SYSERR 2
/**
* MNT_EX_SOFTWARE:
*
* [u]mount(8) exit code: internal mount bug or wrong version
*/
#define MNT_EX_SOFTWARE 4
/**
* MNT_EX_USER:
*
* [u]mount(8) exit code: user interrupt
*/
#define MNT_EX_USER 8
/**
* MNT_EX_FILEIO:
*
* [u]mount(8) exit code: problems writing, locking, ... mtab/utab
*/
#define MNT_EX_FILEIO 16
/**
* MNT_EX_FAIL:
*
* [u]mount(8) exit code: mount failure
*/
#define MNT_EX_FAIL 32
/**
* MNT_EX_SOMEOK:
*
* [u]mount(8) exit code: some mount succeeded; usually when executed with
* --all options. Never returned by libmount.
*/
#define MNT_EX_SOMEOK 64
#ifndef __GNUC_PREREQ
# if defined __GNUC__ && defined __GNUC_MINOR__
# define __GNUC_PREREQ(maj, min) ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
# else
# define __GNUC_PREREQ(maj, min) 0
# endif
#endif
#ifndef __ul_attribute__
# if __GNUC_PREREQ (3, 4)
# define __ul_attribute__(_a_) __attribute__(_a_)
# else
# define __ul_attribute__(_a_)
# endif
#endif
/* init.c */
extern void mnt_init_debug(int mask);
/* version.c */
extern int mnt_parse_version_string(const char *ver_string);
extern int mnt_get_library_version(const char **ver_string);
extern int mnt_get_library_features(const char ***features);
/* utils.c */
extern char *mnt_mangle(const char *str)
__ul_attribute__((warn_unused_result));
extern char *mnt_unmangle(const char *str)
__ul_attribute__((warn_unused_result));
extern int mnt_tag_is_valid(const char *tag);
extern int mnt_fstype_is_netfs(const char *type);
extern int mnt_fstype_is_pseudofs(const char *type);
extern int mnt_match_fstype(const char *type, const char *pattern)
__ul_attribute__((warn_unused_result));
extern int mnt_match_options(const char *optstr, const char *pattern)
__ul_attribute__((warn_unused_result));
extern const char *mnt_get_fstab_path(void);
extern const char *mnt_get_swaps_path(void);
extern const char *mnt_get_mtab_path(void);
extern int mnt_has_regular_mtab(const char **mtab, int *writable);
extern char *mnt_get_mountpoint(const char *path)
__ul_attribute__((warn_unused_result));
extern int mnt_guess_system_root(dev_t devno, struct libmnt_cache *cache, char **path)
__ul_attribute__((nonnull(3)));
/* cache.c */
extern struct libmnt_cache *mnt_new_cache(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_cache(struct libmnt_cache *cache);
extern void mnt_ref_cache(struct libmnt_cache *cache);
extern void mnt_unref_cache(struct libmnt_cache *cache);
extern int mnt_cache_set_targets(struct libmnt_cache *cache,
struct libmnt_table *mtab);
extern int mnt_cache_read_tags(struct libmnt_cache *cache, const char *devname);
extern int mnt_cache_device_has_tag(struct libmnt_cache *cache,
const char *devname,
const char *token,
const char *value);
extern char *mnt_cache_find_tag_value(struct libmnt_cache *cache,
const char *devname, const char *token);
extern char *mnt_get_fstype(const char *devname, int *ambi,
struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
extern char *mnt_resolve_path(const char *path, struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
extern char *mnt_resolve_target(const char *path, struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
extern char *mnt_resolve_tag(const char *token, const char *value,
struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
extern char *mnt_resolve_spec(const char *spec, struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
extern char *mnt_pretty_path(const char *path, struct libmnt_cache *cache)
__ul_attribute__((warn_unused_result));
/* optstr.c */
extern int mnt_optstr_next_option(char **optstr, char **name, size_t *namesz,
char **value, size_t *valuesz);
extern int mnt_optstr_append_option(char **optstr, const char *name,
const char *value);
extern int mnt_optstr_prepend_option(char **optstr, const char *name,
const char *value);
extern int mnt_optstr_get_option(const char *optstr, const char *name,
char **value, size_t *valsz);
extern int mnt_optstr_set_option(char **optstr, const char *name,
const char *value);
extern int mnt_optstr_remove_option(char **optstr, const char *name);
extern int mnt_optstr_deduplicate_option(char **optstr, const char *name);
extern int mnt_split_optstr(const char *optstr,
char **user, char **vfs, char **fs,
int ignore_user, int ignore_vfs);
extern int mnt_optstr_get_options(const char *optstr, char **subset,
const struct libmnt_optmap *map, int ignore);
extern int mnt_optstr_get_flags(const char *optstr, unsigned long *flags,
const struct libmnt_optmap *map);
extern int mnt_optstr_apply_flags(char **optstr, unsigned long flags,
const struct libmnt_optmap *map);
/* iter.c */
enum {
MNT_ITER_FORWARD = 0,
MNT_ITER_BACKWARD
};
extern struct libmnt_iter *mnt_new_iter(int direction)
__ul_attribute__((warn_unused_result));
extern void mnt_free_iter(struct libmnt_iter *itr);
extern void mnt_reset_iter(struct libmnt_iter *itr, int direction)
__ul_attribute__((nonnull));
extern int mnt_iter_get_direction(struct libmnt_iter *itr)
__ul_attribute__((nonnull));
/* optmap.c */
enum {
MNT_LINUX_MAP = 1,
MNT_USERSPACE_MAP
};
extern const struct libmnt_optmap *mnt_get_builtin_optmap(int id);
/* lock.c */
extern struct libmnt_lock *mnt_new_lock(const char *datafile, pid_t id)
__ul_attribute__((warn_unused_result));
extern void mnt_ref_lock(struct libmnt_lock *ml);
extern void mnt_unref_lock(struct libmnt_lock *ml);
extern void mnt_free_lock(struct libmnt_lock *ml);
extern void mnt_unlock_file(struct libmnt_lock *ml);
extern int mnt_lock_file(struct libmnt_lock *ml);
extern int mnt_lock_block_signals(struct libmnt_lock *ml, int enable);
/* fs.c */
extern struct libmnt_fs *mnt_new_fs(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_fs(struct libmnt_fs *fs);
extern void mnt_ref_fs(struct libmnt_fs *fs);
extern void mnt_unref_fs(struct libmnt_fs *fs);
extern void mnt_reset_fs(struct libmnt_fs *fs);
extern struct libmnt_fs *mnt_copy_fs(struct libmnt_fs *dest,
const struct libmnt_fs *src)
__ul_attribute__((warn_unused_result));
extern void *mnt_fs_get_userdata(struct libmnt_fs *fs);
extern int mnt_fs_set_userdata(struct libmnt_fs *fs, void *data);
extern const char *mnt_fs_get_source(struct libmnt_fs *fs);
extern int mnt_fs_set_source(struct libmnt_fs *fs, const char *source);
extern const char *mnt_fs_get_srcpath(struct libmnt_fs *fs);
extern int mnt_fs_get_table(struct libmnt_fs *fs, struct libmnt_table **tb);
extern int mnt_fs_get_tag(struct libmnt_fs *fs, const char **name,
const char **value);
extern const char *mnt_fs_get_target(struct libmnt_fs *fs);
extern int mnt_fs_set_target(struct libmnt_fs *fs, const char *tgt);
extern const char *mnt_fs_get_fstype(struct libmnt_fs *fs);
extern int mnt_fs_set_fstype(struct libmnt_fs *fs, const char *fstype);
extern int mnt_fs_streq_srcpath(struct libmnt_fs *fs, const char *path)
__ul_attribute__((warn_unused_result));
extern int mnt_fs_streq_target(struct libmnt_fs *fs, const char *path)
__ul_attribute__((warn_unused_result));
extern char *mnt_fs_strdup_options(struct libmnt_fs *fs)
__ul_attribute__((warn_unused_result));
extern const char *mnt_fs_get_options(struct libmnt_fs *fs)
__ul_attribute__((warn_unused_result));
extern const char *mnt_fs_get_optional_fields(struct libmnt_fs *fs)
__ul_attribute__((warn_unused_result));
extern int mnt_fs_get_propagation(struct libmnt_fs *fs, unsigned long *flags);
extern int mnt_fs_set_options(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_append_options(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_prepend_options(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_get_option(struct libmnt_fs *fs, const char *name,
char **value, size_t *valsz);
extern const char *mnt_fs_get_fs_options(struct libmnt_fs *fs);
extern const char *mnt_fs_get_vfs_options(struct libmnt_fs *fs);
extern const char *mnt_fs_get_user_options(struct libmnt_fs *fs);
extern char *mnt_fs_get_vfs_options_all(struct libmnt_fs *fs);
extern const char *mnt_fs_get_attributes(struct libmnt_fs *fs);
extern int mnt_fs_set_attributes(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_get_attribute(struct libmnt_fs *fs, const char *name,
char **value, size_t *valsz);
extern int mnt_fs_append_attributes(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_prepend_attributes(struct libmnt_fs *fs, const char *optstr);
extern int mnt_fs_get_freq(struct libmnt_fs *fs);
extern int mnt_fs_set_freq(struct libmnt_fs *fs, int freq);
extern int mnt_fs_get_passno(struct libmnt_fs *fs);
extern int mnt_fs_set_passno(struct libmnt_fs *fs, int passno);
extern const char *mnt_fs_get_root(struct libmnt_fs *fs);
extern int mnt_fs_set_root(struct libmnt_fs *fs, const char *path);
extern const char *mnt_fs_get_bindsrc(struct libmnt_fs *fs);
extern int mnt_fs_set_bindsrc(struct libmnt_fs *fs, const char *src);
extern int mnt_fs_get_id(struct libmnt_fs *fs);
extern int mnt_fs_get_parent_id(struct libmnt_fs *fs);
extern dev_t mnt_fs_get_devno(struct libmnt_fs *fs);
extern pid_t mnt_fs_get_tid(struct libmnt_fs *fs);
extern const char *mnt_fs_get_swaptype(struct libmnt_fs *fs);
extern off_t mnt_fs_get_size(struct libmnt_fs *fs);
extern off_t mnt_fs_get_usedsize(struct libmnt_fs *fs);
extern int mnt_fs_get_priority(struct libmnt_fs *fs);
extern int mnt_fs_set_priority(struct libmnt_fs *fs, int prio);
extern const char *mnt_fs_get_comment(struct libmnt_fs *fs);
extern int mnt_fs_set_comment(struct libmnt_fs *fs, const char *comm);
extern int mnt_fs_append_comment(struct libmnt_fs *fs, const char *comm);
extern int mnt_fs_match_target(struct libmnt_fs *fs, const char *target,
struct libmnt_cache *cache);
extern int mnt_fs_match_source(struct libmnt_fs *fs, const char *source,
struct libmnt_cache *cache);
extern int mnt_fs_match_fstype(struct libmnt_fs *fs, const char *types);
extern int mnt_fs_match_options(struct libmnt_fs *fs, const char *options);
extern int mnt_fs_print_debug(struct libmnt_fs *fs, FILE *file);
extern int mnt_fs_is_kernel(struct libmnt_fs *fs);
extern int mnt_fs_is_swaparea(struct libmnt_fs *fs);
extern int mnt_fs_is_netfs(struct libmnt_fs *fs);
extern int mnt_fs_is_pseudofs(struct libmnt_fs *fs);
extern void mnt_free_mntent(struct mntent *mnt);
extern int mnt_fs_to_mntent(struct libmnt_fs *fs, struct mntent **mnt);
/* tab-parse.c */
extern struct libmnt_table *mnt_new_table_from_file(const char *filename)
__ul_attribute__((warn_unused_result));
extern struct libmnt_table *mnt_new_table_from_dir(const char *dirname)
__ul_attribute__((warn_unused_result));
extern int mnt_table_parse_stream(struct libmnt_table *tb, FILE *f,
const char *filename);
extern int mnt_table_parse_file(struct libmnt_table *tb, const char *filename);
extern int mnt_table_parse_dir(struct libmnt_table *tb, const char *dirname);
extern int mnt_table_parse_fstab(struct libmnt_table *tb, const char *filename);
extern int mnt_table_parse_swaps(struct libmnt_table *tb, const char *filename);
extern int mnt_table_parse_mtab(struct libmnt_table *tb, const char *filename);
extern int mnt_table_set_parser_errcb(struct libmnt_table *tb,
int (*cb)(struct libmnt_table *tb, const char *filename, int line));
/* tab.c */
extern struct libmnt_table *mnt_new_table(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_table(struct libmnt_table *tb);
extern void mnt_ref_table(struct libmnt_table *tb);
extern void mnt_unref_table(struct libmnt_table *tb);
extern int mnt_reset_table(struct libmnt_table *tb);
extern int mnt_table_get_nents(struct libmnt_table *tb);
extern int mnt_table_is_empty(struct libmnt_table *tb);
extern int mnt_table_set_userdata(struct libmnt_table *tb, void *data);
extern void *mnt_table_get_userdata(struct libmnt_table *tb);
extern void mnt_table_enable_comments(struct libmnt_table *tb, int enable);
extern int mnt_table_with_comments(struct libmnt_table *tb);
extern const char *mnt_table_get_intro_comment(struct libmnt_table *tb);
extern int mnt_table_set_intro_comment(struct libmnt_table *tb, const char *comm);
extern int mnt_table_append_intro_comment(struct libmnt_table *tb, const char *comm);
extern int mnt_table_set_trailing_comment(struct libmnt_table *tb, const char *comm);
extern const char *mnt_table_get_trailing_comment(struct libmnt_table *tb);
extern int mnt_table_append_trailing_comment(struct libmnt_table *tb, const char *comm);
extern int mnt_table_set_cache(struct libmnt_table *tb, struct libmnt_cache *mpc);
extern struct libmnt_cache *mnt_table_get_cache(struct libmnt_table *tb);
extern int mnt_table_add_fs(struct libmnt_table *tb, struct libmnt_fs *fs);
extern int mnt_table_find_fs(struct libmnt_table *tb, struct libmnt_fs *fs);
extern int mnt_table_insert_fs(struct libmnt_table *tb, int before,
struct libmnt_fs *pos, struct libmnt_fs *fs);
extern int mnt_table_move_fs(struct libmnt_table *src, struct libmnt_table *dst,
int before, struct libmnt_fs *pos, struct libmnt_fs *fs);
extern int mnt_table_remove_fs(struct libmnt_table *tb, struct libmnt_fs *fs);
extern int mnt_table_first_fs(struct libmnt_table *tb, struct libmnt_fs **fs);
extern int mnt_table_last_fs(struct libmnt_table *tb, struct libmnt_fs **fs);
extern int mnt_table_over_fs(struct libmnt_table *tb, struct libmnt_fs *parent,
struct libmnt_fs **child);
extern int mnt_table_next_fs(struct libmnt_table *tb, struct libmnt_iter *itr,
struct libmnt_fs **fs);
extern int mnt_table_next_child_fs(struct libmnt_table *tb, struct libmnt_iter *itr,
struct libmnt_fs *parent, struct libmnt_fs **chld);
extern int mnt_table_get_root_fs(struct libmnt_table *tb, struct libmnt_fs **root);
extern int mnt_table_set_iter(struct libmnt_table *tb, struct libmnt_iter *itr,
struct libmnt_fs *fs);
enum {
MNT_UNIQ_FORWARD = (1 << 1), /* default is backward */
MNT_UNIQ_KEEPTREE = (1 << 2)
};
extern int mnt_table_uniq_fs(struct libmnt_table *tb, int flags,
int (*cmp)(struct libmnt_table *,
struct libmnt_fs *,
struct libmnt_fs *));
extern struct libmnt_fs *mnt_table_find_mountpoint(struct libmnt_table *tb,
const char *path, int direction);
extern struct libmnt_fs *mnt_table_find_target(struct libmnt_table *tb,
const char *path, int direction);
extern struct libmnt_fs *mnt_table_find_srcpath(struct libmnt_table *tb,
const char *path, int direction);
extern struct libmnt_fs *mnt_table_find_tag(struct libmnt_table *tb, const char *tag,
const char *val, int direction);
extern struct libmnt_fs *mnt_table_find_target_with_option(struct libmnt_table *tb, const char *path,
const char *option, const char *val, int direction);
extern struct libmnt_fs *mnt_table_find_source(struct libmnt_table *tb,
const char *source, int direction);
extern struct libmnt_fs *mnt_table_find_pair(struct libmnt_table *tb,
const char *source,
const char *target, int direction);
extern struct libmnt_fs *mnt_table_find_devno(struct libmnt_table *tb,
dev_t devno, int direction);
extern int mnt_table_find_next_fs(struct libmnt_table *tb,
struct libmnt_iter *itr,
int (*match_func)(struct libmnt_fs *, void *),
void *userdata,
struct libmnt_fs **fs);
extern int mnt_table_is_fs_mounted(struct libmnt_table *tb, struct libmnt_fs *fstab_fs);
/* tab_update.c */
extern struct libmnt_update *mnt_new_update(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_update(struct libmnt_update *upd);
extern int mnt_table_replace_file(struct libmnt_table *tb, const char *filename);
extern int mnt_table_write_file(struct libmnt_table *tb, FILE *file);
extern int mnt_update_is_ready(struct libmnt_update *upd);
extern int mnt_update_set_fs(struct libmnt_update *upd, unsigned long mountflags,
const char *target, struct libmnt_fs *fs);
extern int mnt_update_table(struct libmnt_update *upd, struct libmnt_lock *lc);
extern unsigned long mnt_update_get_mflags(struct libmnt_update *upd);
extern int mnt_update_force_rdonly(struct libmnt_update *upd, int rdonly);
extern const char *mnt_update_get_filename(struct libmnt_update *upd);
extern struct libmnt_fs *mnt_update_get_fs(struct libmnt_update *upd);
/* tab_diff.c */
enum {
MNT_TABDIFF_MOUNT = 1,
MNT_TABDIFF_UMOUNT,
MNT_TABDIFF_MOVE,
MNT_TABDIFF_REMOUNT,
MNT_TABDIFF_PROPAGATION, /* not implemented yet (TODO) */
};
extern struct libmnt_tabdiff *mnt_new_tabdiff(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_tabdiff(struct libmnt_tabdiff *df);
extern int mnt_diff_tables(struct libmnt_tabdiff *df,
struct libmnt_table *old_tab,
struct libmnt_table *new_tab);
extern int mnt_tabdiff_next_change(struct libmnt_tabdiff *df,
struct libmnt_iter *itr,
struct libmnt_fs **old_fs,
struct libmnt_fs **new_fs,
int *oper);
/* monitor.c */
enum {
MNT_MONITOR_TYPE_USERSPACE = 1, /* userspace mount options */
MNT_MONITOR_TYPE_KERNEL /* kernel mount table */
};
extern struct libmnt_monitor *mnt_new_monitor(void);
extern void mnt_ref_monitor(struct libmnt_monitor *mn);
extern void mnt_unref_monitor(struct libmnt_monitor *mn);
extern int mnt_monitor_enable_kernel(struct libmnt_monitor *mn, int enable);
extern int mnt_monitor_enable_userspace(struct libmnt_monitor *mn,
int enable, const char *filename);
extern int mnt_monitor_veil_kernel(struct libmnt_monitor *mn, int enable);
extern int mnt_monitor_get_fd(struct libmnt_monitor *mn);
extern int mnt_monitor_close_fd(struct libmnt_monitor *mn);
extern int mnt_monitor_wait(struct libmnt_monitor *mn, int timeout);
extern int mnt_monitor_next_change(struct libmnt_monitor *mn,
const char **filename, int *type);
extern int mnt_monitor_event_cleanup(struct libmnt_monitor *mn);
/* context.c */
/*
* Mode for mount options from fstab (or mtab), see mnt_context_set_optsmode().
*/
enum {
MNT_OMODE_IGNORE = (1 << 1), /* ignore mtab/fstab options */
MNT_OMODE_APPEND = (1 << 2), /* append mtab/fstab options to existing options */
MNT_OMODE_PREPEND = (1 << 3), /* prepend mtab/fstab options to existing options */
MNT_OMODE_REPLACE = (1 << 4), /* replace existing options with options from mtab/fstab */
MNT_OMODE_FORCE = (1 << 5), /* always read mtab/fstab options */
MNT_OMODE_FSTAB = (1 << 10), /* read from fstab */
MNT_OMODE_MTAB = (1 << 11), /* read from mtab if fstab not enabled or failed */
MNT_OMODE_NOTAB = (1 << 12), /* do not read fstab/mtab at all */
/* default */
MNT_OMODE_AUTO = (MNT_OMODE_PREPEND | MNT_OMODE_FSTAB | MNT_OMODE_MTAB),
/* non-root users */
MNT_OMODE_USER = (MNT_OMODE_REPLACE | MNT_OMODE_FORCE | MNT_OMODE_FSTAB)
};
extern struct libmnt_context *mnt_new_context(void)
__ul_attribute__((warn_unused_result));
extern void mnt_free_context(struct libmnt_context *cxt);
extern int mnt_reset_context(struct libmnt_context *cxt);
extern int mnt_context_is_restricted(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_force_unrestricted(struct libmnt_context *cxt);
extern int mnt_context_init_helper(struct libmnt_context *cxt,
int action, int flags);
extern int mnt_context_helper_setopt(struct libmnt_context *cxt, int c, char *arg);
extern int mnt_context_set_optsmode(struct libmnt_context *cxt, int mode);
extern int mnt_context_disable_canonicalize(struct libmnt_context *cxt, int disable);
extern int mnt_context_enable_lazy(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_rdonly_umount(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_rwonly_mount(struct libmnt_context *cxt, int enable);
extern int mnt_context_disable_helpers(struct libmnt_context *cxt, int disable);
extern int mnt_context_enable_sloppy(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_fake(struct libmnt_context *cxt, int enable);
extern int mnt_context_disable_mtab(struct libmnt_context *cxt, int disable);
extern int mnt_context_enable_force(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_verbose(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_loopdel(struct libmnt_context *cxt, int enable);
extern int mnt_context_enable_fork(struct libmnt_context *cxt, int enable);
extern int mnt_context_disable_swapmatch(struct libmnt_context *cxt, int disable);
extern int mnt_context_get_optsmode(struct libmnt_context *cxt);
extern int mnt_context_is_lazy(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_rdonly_umount(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_rwonly_mount(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_sloppy(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_fake(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_nomtab(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_force(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_verbose(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_loopdel(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_nohelpers(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_nocanonicalize(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_swapmatch(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_forced_rdonly(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_fork(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_parent(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_is_child(struct libmnt_context *cxt)
__ul_attribute__((nonnull));
extern int mnt_context_wait_for_children(struct libmnt_context *cxt,
int *nchildren, int *nerrs);
extern int mnt_context_is_fs_mounted(struct libmnt_context *cxt,
struct libmnt_fs *fs, int *mounted);
extern int mnt_context_set_fs(struct libmnt_context *cxt, struct libmnt_fs *fs);
extern struct libmnt_fs *mnt_context_get_fs(struct libmnt_context *cxt);
extern int mnt_context_set_source(struct libmnt_context *cxt, const char *source);
extern int mnt_context_set_target(struct libmnt_context *cxt, const char *target);
extern int mnt_context_set_fstype(struct libmnt_context *cxt, const char *fstype);
extern int mnt_context_set_target_prefix(struct libmnt_context *cxt, const char *path);
extern const char *mnt_context_get_source(struct libmnt_context *cxt);
extern const char *mnt_context_get_target(struct libmnt_context *cxt);
extern const char *mnt_context_get_fstype(struct libmnt_context *cxt);
extern const char *mnt_context_get_target_prefix(struct libmnt_context *cxt);
extern void *mnt_context_get_mtab_userdata(struct libmnt_context *cxt);
extern void *mnt_context_get_fstab_userdata(struct libmnt_context *cxt);
extern void *mnt_context_get_fs_userdata(struct libmnt_context *cxt);
extern int mnt_context_set_options(struct libmnt_context *cxt, const char *optstr);
extern int mnt_context_append_options(struct libmnt_context *cxt, const char *optstr);
extern const char *mnt_context_get_options(struct libmnt_context *cxt);
extern int mnt_context_set_fstype_pattern(struct libmnt_context *cxt, const char *pattern);
extern int mnt_context_set_options_pattern(struct libmnt_context *cxt, const char *pattern);
extern int mnt_context_set_passwd_cb(struct libmnt_context *cxt,
char *(*get)(struct libmnt_context *),
void (*release)(struct libmnt_context *, char *))
__ul_attribute__((deprecated));
extern int mnt_context_set_tables_errcb(struct libmnt_context *cxt,
int (*cb)(struct libmnt_table *tb, const char *filename, int line));
extern int mnt_context_set_fstab(struct libmnt_context *cxt,
struct libmnt_table *tb);
extern int mnt_context_get_fstab(struct libmnt_context *cxt,
struct libmnt_table **tb);
extern int mnt_context_get_mtab(struct libmnt_context *cxt,
struct libmnt_table **tb);
extern int mnt_context_get_table(struct libmnt_context *cxt,
const char *filename,
struct libmnt_table **tb);
extern int mnt_context_set_cache(struct libmnt_context *cxt,
struct libmnt_cache *cache);
extern struct libmnt_cache *mnt_context_get_cache(struct libmnt_context *cxt);
extern struct libmnt_lock *mnt_context_get_lock(struct libmnt_context *cxt);
extern int mnt_context_set_mflags(struct libmnt_context *cxt,
unsigned long flags);
extern int mnt_context_get_mflags(struct libmnt_context *cxt,
unsigned long *flags);
extern int mnt_context_set_user_mflags(struct libmnt_context *cxt,
unsigned long flags);
extern int mnt_context_get_user_mflags(struct libmnt_context *cxt,
unsigned long *flags);
extern int mnt_context_set_mountdata(struct libmnt_context *cxt, void *data);
extern int mnt_context_apply_fstab(struct libmnt_context *cxt);
extern int mnt_context_reset_status(struct libmnt_context *cxt);
extern int mnt_context_get_status(struct libmnt_context *cxt);
extern int mnt_context_helper_executed(struct libmnt_context *cxt);
extern int mnt_context_get_helper_status(struct libmnt_context *cxt);
extern int mnt_context_syscall_called(struct libmnt_context *cxt);
extern int mnt_context_get_syscall_errno(struct libmnt_context *cxt);
extern int mnt_context_strerror(struct libmnt_context *cxt, char *buf,
size_t bufsiz)
__ul_attribute__((deprecated));
extern int mnt_context_get_excode(struct libmnt_context *cxt,
int rc, char *buf, size_t bufsz);
extern int mnt_context_set_target_ns(struct libmnt_context *cxt, const char *path);
extern struct libmnt_ns *mnt_context_get_target_ns(struct libmnt_context *cxt);
extern struct libmnt_ns *mnt_context_get_origin_ns(struct libmnt_context *cxt);
extern struct libmnt_ns *mnt_context_switch_ns(struct libmnt_context *cxt, struct libmnt_ns *ns);
extern struct libmnt_ns *mnt_context_switch_origin_ns(struct libmnt_context *cxt);
extern struct libmnt_ns *mnt_context_switch_target_ns(struct libmnt_context *cxt);
/* context_mount.c */
extern int mnt_context_mount(struct libmnt_context *cxt);
extern int mnt_context_umount(struct libmnt_context *cxt);
extern int mnt_context_next_mount(struct libmnt_context *cxt,
struct libmnt_iter *itr,
struct libmnt_fs **fs,
int *mntrc, int *ignored);
extern int mnt_context_next_remount(struct libmnt_context *cxt,
struct libmnt_iter *itr,
struct libmnt_fs **fs,
int *mntrc,
int *ignored);
extern int mnt_context_prepare_mount(struct libmnt_context *cxt)
__ul_attribute__((warn_unused_result));
extern int mnt_context_do_mount(struct libmnt_context *cxt);
extern int mnt_context_finalize_mount(struct libmnt_context *cxt);
/* context_umount.c */
extern int mnt_context_find_umount_fs(struct libmnt_context *cxt,
const char *tgt,
struct libmnt_fs **pfs);
extern int mnt_context_next_umount(struct libmnt_context *cxt,
struct libmnt_iter *itr,
struct libmnt_fs **fs,
int *mntrc, int *ignored);
extern int mnt_context_prepare_umount(struct libmnt_context *cxt)
__ul_attribute__((warn_unused_result));
extern int mnt_context_do_umount(struct libmnt_context *cxt);
extern int mnt_context_finalize_umount(struct libmnt_context *cxt);
extern int mnt_context_tab_applied(struct libmnt_context *cxt);
extern int mnt_context_set_syscall_status(struct libmnt_context *cxt, int status);
/*
* mount(8) userspace options masks (MNT_MAP_USERSPACE map)
*/
#define MNT_MS_NOAUTO (1 << 2)
#define MNT_MS_USER (1 << 3)
#define MNT_MS_USERS (1 << 4)
#define MNT_MS_OWNER (1 << 5)
#define MNT_MS_GROUP (1 << 6)
#define MNT_MS_NETDEV (1 << 7)
#define MNT_MS_COMMENT (1 << 8)
#define MNT_MS_LOOP (1 << 9)
#define MNT_MS_NOFAIL (1 << 10)
#define MNT_MS_UHELPER (1 << 11)
#define MNT_MS_HELPER (1 << 12)
#define MNT_MS_XCOMMENT (1 << 13)
#define MNT_MS_OFFSET (1 << 14)
#define MNT_MS_SIZELIMIT (1 << 15)
#define MNT_MS_ENCRYPTION (1 << 16)
#define MNT_MS_XFSTABCOMM (1 << 17)
#define MNT_MS_HASH_DEVICE (1 << 18)
#define MNT_MS_ROOT_HASH (1 << 19)
#define MNT_MS_HASH_OFFSET (1 << 20)
#define MNT_MS_ROOT_HASH_FILE (1 << 21)
#define MNT_MS_FEC_DEVICE (1 << 22)
#define MNT_MS_FEC_OFFSET (1 << 23)
#define MNT_MS_FEC_ROOTS (1 << 24)
#define MNT_MS_ROOT_HASH_SIG (1 << 25)
/*
* mount(2) MS_* masks (MNT_MAP_LINUX map)
*/
#ifndef MS_RDONLY
#define MS_RDONLY 1 /* Mount read-only */
#endif
#ifndef MS_NOSUID
#define MS_NOSUID 2 /* Ignore suid and sgid bits */
#endif
#ifndef MS_NODEV
#define MS_NODEV 4 /* Disallow access to device special files */
#endif
#ifndef MS_NOEXEC
#define MS_NOEXEC 8 /* Disallow program execution */
#endif
#ifndef MS_SYNCHRONOUS
#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
#endif
#ifndef MS_REMOUNT
#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
#endif
#ifndef MS_MANDLOCK
#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
#endif
#ifndef MS_DIRSYNC
#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
#endif
#ifndef MS_NOSYMFOLLOW
#define MS_NOSYMFOLLOW 256 /* Don't follow symlinks */
#endif
#ifndef MS_NOATIME
#define MS_NOATIME 0x400 /* 1024: Do not update access times. */
#endif
#ifndef MS_NODIRATIME
#define MS_NODIRATIME 0x800 /* 2048: Don't update directory access times */
#endif
#ifndef MS_BIND
#define MS_BIND 0x1000 /* 4096: Mount existing tree elsewhere as well */
#endif
#ifndef MS_MOVE
#define MS_MOVE 0x2000 /* 8192: Atomically move the tree */
#endif
#ifndef MS_REC
#define MS_REC 0x4000 /* 16384: Recursive loopback */
#endif
#ifndef MS_SILENT
#define MS_SILENT 0x8000 /* 32768: Don't emit certain kernel messages */
#endif
#ifndef MS_UNBINDABLE
#define MS_UNBINDABLE (1<<17) /* 131072: Make unbindable */
#endif
#ifndef MS_PRIVATE
#define MS_PRIVATE (1<<18) /* 262144: Make private */
#endif
#ifndef MS_SLAVE
#define MS_SLAVE (1<<19) /* 524288: Make slave */
#endif
#ifndef MS_SHARED
#define MS_SHARED (1<<20) /* 1048576: Make shared */
#endif
#ifndef MS_RELATIME
#define MS_RELATIME (1<<21) /* 2097152: Update atime relative to mtime/ctime */
#endif
#ifndef MS_I_VERSION
#define MS_I_VERSION (1<<23) /* Update the inode I_version field */
#endif
#ifndef MS_STRICTATIME
#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
#endif
#ifndef MS_LAZYTIME
#define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */
#endif
/*
* Magic mount flag number. Had to be or-ed to the flag values. Deprecated and
* no more used since libmount v2.33; required for Linux <= 2.4.
*/
#ifndef MS_MGC_VAL
#define MS_MGC_VAL 0xC0ED0000 /* magic flag number to indicate "new" flags */
#endif
#ifndef MS_MGC_MSK
#define MS_MGC_MSK 0xffff0000 /* magic flag number mask */
#endif
/* Shared-subtree options */
#define MS_PROPAGATION (MS_SHARED|MS_SLAVE|MS_UNBINDABLE|MS_PRIVATE)
/* Options that we make ordinary users have by default. */
#define MS_SECURE (MS_NOEXEC|MS_NOSUID|MS_NODEV)
/* Options that we make owner-mounted devices have by default */
#define MS_OWNERSECURE (MS_NOSUID|MS_NODEV)
#ifdef __cplusplus
}
#endif
#endif /* _LIBMOUNT_MOUNT_H */
Mr. DellatioNx196 GaLers xh3LL Backd00r 1.0, Coded By Mr. DellatioNx196 - Bogor BlackHat