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author | Karel Zak <kzak@redhat.com> | 2011-01-19 23:51:12 +0100 |
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committer | Karel Zak <kzak@redhat.com> | 2011-01-22 00:27:26 +0100 |
commit | 2a1f429ad01dc00cd73f1f9ca39e6920687ea414 (patch) | |
tree | d5d3989e449fe092f4aa6bef05323818540c19f2 /shlibs/mount/src/libmount.h.in | |
parent | dbde192307f899cfa1a6ea014eebbc58c0174a42 (diff) | |
download | util-linux-old-2a1f429ad01dc00cd73f1f9ca39e6920687ea414.tar.gz |
libmount: rename mount.h to libmount.h
The mount.h file name is too generic.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'shlibs/mount/src/libmount.h.in')
-rw-r--r-- | shlibs/mount/src/libmount.h.in | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/shlibs/mount/src/libmount.h.in b/shlibs/mount/src/libmount.h.in new file mode 100644 index 00000000..84f76847 --- /dev/null +++ b/shlibs/mount/src/libmount.h.in @@ -0,0 +1,498 @@ +/* + * mount.h - libmount API + * + * Copyright (C) 2008-2009 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 Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _LIBMOUNT_MOUNT_H +#define _LIBMOUNT_MOUNT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef USE_UNSTABLE_LIBMOUNT_API +# warning libmount API is not stable yet! +#endif + +#include <stdio.h> +#include <mntent.h> +#include <sys/types.h> + +#define LIBMOUNT_VERSION "@LIBMOUNT_VERSION@" + +/** + * mnt_cache: + * + * Stores canonicalized paths and evaluated tags + */ +typedef struct _mnt_cache mnt_cache; + +/** + * mnt_lock: + * + * Stores information about locked file (e.g. /etc/mtab) + */ +typedef struct _mnt_lock mnt_lock; + +/** + * mnt_iter: + * + * Generic iterator (stores state about lists) + */ +typedef struct _mnt_iter mnt_iter; + +/** + * mnt_optmap: + * + * Mount options description (map) + */ +struct mnt_optmap +{ + const char *name; /* option name[=%<type>] (e.g. "loop[=%s]") */ + int id; /* option ID or MS_* flags (e.g MS_RDONLY) */ + int mask; /* MNT_{NOMTAB,INVERT,...} mask */ +}; + +/* + * mount options map masks + */ +#define MNT_INVERT (1 << 1) /* invert the mountflag */ +#define MNT_NOMTAB (1 << 2) /* skip in the mtab option string */ + +/** + * mnt_fs: + * + * Parsed fstab/mtab/mountinfo entry + */ +typedef struct _mnt_fs mnt_fs; + +/** + * mnt_tab: + * + * List of mnt_fs entries (parsed fstab/mtab/mountinfo) + */ +typedef struct _mnt_tab mnt_tab; + +/** + * mnt_update + * + * /etc/mtab or /dev/.mount/utab update description + */ +typedef struct _mnt_update mnt_update; + +/** + * mnt_context + * + * Mount/umount status + */ +typedef struct _mnt_context mnt_context; + +/* + * Actions + */ +enum { + MNT_ACT_MOUNT = 1, + MNT_ACT_UMOUNT +}; + +/* 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); + +/* utils.c */ +extern char *mnt_mangle(const char *str); +extern char *mnt_unmangle(const char *str); +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); +extern int mnt_match_options(const char *optstr, const char *pattern); +extern const char *mnt_get_fstab_path(void); +extern const char *mnt_get_mtab_path(void); +extern int mnt_has_regular_mtab(const char **mtab, int *writable); + +/* cache.c */ +extern mnt_cache *mnt_new_cache(void); +extern void mnt_free_cache(mnt_cache *cache); +extern int mnt_cache_read_tags(mnt_cache *cache, const char *devname); +extern int mnt_cache_device_has_tag(mnt_cache *cache, const char *devname, + const char *token, const char *value); + +extern char *mnt_cache_find_tag_value(mnt_cache *cache, + const char *devname, const char *token); + +extern char *mnt_get_fstype(const char *devname, int *ambi, mnt_cache *cache); +extern char *mnt_resolve_path(const char *path, mnt_cache *cache); +extern char *mnt_resolve_tag(const char *token, const char *value, mnt_cache *cache); +extern char *mnt_resolve_spec(const char *spec, mnt_cache *cache); + +/* 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(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_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 mnt_optmap *map, int ignore); + +extern int mnt_optstr_get_flags(const char *optstr, unsigned long *flags, + const struct mnt_optmap *map); +extern int mnt_optstr_apply_flags(char **optstr, unsigned long flags, + const struct mnt_optmap *map); + +/* iter.c */ +enum { + + MNT_ITER_FORWARD = 0, + MNT_ITER_BACKWARD +}; +extern mnt_iter *mnt_new_iter(int direction); +extern void mnt_free_iter(mnt_iter *itr); +extern void mnt_reset_iter(mnt_iter *itr, int direction); +extern int mnt_iter_get_direction(mnt_iter *itr); + +/* optmap.c */ +enum { + MNT_LINUX_MAP = 1, + MNT_USERSPACE_MAP +}; +extern const struct mnt_optmap *mnt_get_builtin_optmap(int id); + +/* lock.c */ +extern mnt_lock *mnt_new_lock(const char *datafile, pid_t id); +extern void mnt_free_lock(mnt_lock *ml); +extern void mnt_unlock_file(mnt_lock *ml); +extern int mnt_lock_file(mnt_lock *ml); + +/* fs.c */ +extern mnt_fs *mnt_new_fs(void); +extern void mnt_free_fs(mnt_fs *fs); +extern mnt_fs *mnt_copy_fs(const mnt_fs *fs); +extern void *mnt_fs_get_userdata(mnt_fs *fs); +extern int mnt_fs_set_userdata(mnt_fs *fs, void *data); +extern const char *mnt_fs_get_source(mnt_fs *fs); +extern int mnt_fs_set_source(mnt_fs *fs, const char *source); +extern const char *mnt_fs_get_srcpath(mnt_fs *fs); +extern int mnt_fs_get_tag(mnt_fs *fs, const char **name, const char **value); +extern const char *mnt_fs_get_target(mnt_fs *fs); +extern int mnt_fs_set_target(mnt_fs *fs, const char *target); +extern const char *mnt_fs_get_fstype(mnt_fs *fs); +extern int mnt_fs_set_fstype(mnt_fs *fs, const char *fstype); + +extern char *mnt_fs_strdup_options(mnt_fs *fs); +extern int mnt_fs_set_options(mnt_fs *fs, const char *optstr); + +extern int mnt_fs_get_option(mnt_fs *fs, const char *name, + char **value, size_t *valsz); + +extern int mnt_fs_append_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_prepend_options(mnt_fs *fs, const char *optstr); + +extern const char *mnt_fs_get_fs_options(mnt_fs *fs); +extern int mnt_fs_set_fs_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_append_fs_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_prepend_fs_options(mnt_fs *fs, const char *optstr); + +extern const char *mnt_fs_get_vfs_options(mnt_fs *fs); +extern int mnt_fs_set_vfs_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_append_vfs_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_prepend_vfs_options(mnt_fs *fs, const char *optstr); + +extern const char *mnt_fs_get_userspace_options(mnt_fs *fs); +extern int mnt_fs_set_userspace_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_append_userspace_options(mnt_fs *fs, const char *optstr); +extern int mnt_fs_prepend_userspace_options(mnt_fs *fs, const char *optstr); + +extern const char *mnt_fs_get_attributes(mnt_fs *fs); +extern int mnt_fs_set_attributes(mnt_fs *fs, const char *optstr); +extern int mnt_fs_get_attribute(mnt_fs *fs, const char *name, + char **value, size_t *valsz); +extern int mnt_fs_append_attributes(mnt_fs *fs, const char *optstr); +extern int mnt_fs_prepend_attributes(mnt_fs *fs, const char *optstr); + +extern int mnt_fs_get_freq(mnt_fs *fs); +extern int mnt_fs_set_freq(mnt_fs *fs, int freq); +extern int mnt_fs_get_passno(mnt_fs *fs); +extern int mnt_fs_set_passno(mnt_fs *fs, int passno); +extern const char *mnt_fs_get_root(mnt_fs *fs); +extern int mnt_fs_set_root(mnt_fs *fs, const char *root); +extern const char *mnt_fs_get_bindsrc(mnt_fs *fs); +extern int mnt_fs_set_bindsrc(mnt_fs *fs, const char *src); +extern int mnt_fs_get_id(mnt_fs *fs); +extern int mnt_fs_get_parent_id(mnt_fs *fs); +extern dev_t mnt_fs_get_devno(mnt_fs *fs); + +extern int mnt_fs_match_target(mnt_fs *fs, const char *target, mnt_cache *cache); +extern int mnt_fs_match_source(mnt_fs *fs, const char *source, mnt_cache *cache); +extern int mnt_fs_match_fstype(mnt_fs *fs, const char *types); +extern int mnt_fs_match_options(mnt_fs *fs, const char *options); +extern int mnt_fs_print_debug(mnt_fs *fs, FILE *file); + +extern void mnt_free_mntent(struct mntent *mnt); +extern int mnt_fs_to_mntent(mnt_fs *fs, struct mntent **mnt); + +/* tab-parse.c */ +extern mnt_tab *mnt_new_tab_from_file(const char *filename); +extern mnt_tab *mnt_new_tab_from_dir(const char *dirname); +extern int mnt_tab_parse_stream(mnt_tab *tb, FILE *f, const char *filename); +extern int mnt_tab_parse_file(mnt_tab *tb, const char *filename); +extern int mnt_tab_parse_fstab(mnt_tab *tb, const char *filename); +extern int mnt_tab_parse_mtab(mnt_tab *tb, const char *filename); +extern int mnt_tab_set_parser_errcb(mnt_tab *tb, + int (*cb)(mnt_tab *tb, const char *filename, int line)); + +/* tab.c */ +extern mnt_tab *mnt_new_tab(void); +extern void mnt_free_tab(mnt_tab *tb); +extern int mnt_tab_get_nents(mnt_tab *tb); +extern int mnt_tab_set_cache(mnt_tab *tb, mnt_cache *mpc); +extern mnt_cache *mnt_tab_get_cache(mnt_tab *tb); +extern const char *mnt_tab_get_name(mnt_tab *tb); +extern int mnt_tab_add_fs(mnt_tab *tb, mnt_fs *fs); +extern int mnt_tab_remove_fs(mnt_tab *tb, mnt_fs *fs); +extern int mnt_tab_next_fs(mnt_tab *tb, mnt_iter *itr, mnt_fs **fs); +extern int mnt_tab_next_child_fs(mnt_tab *tb, mnt_iter *itr, + mnt_fs *parent, mnt_fs **chld); +extern int mnt_tab_get_root_fs(mnt_tab *tb, mnt_fs **root); +extern int mnt_tab_set_iter(mnt_tab *tb, mnt_iter *itr, mnt_fs *fs); + +extern mnt_fs *mnt_tab_find_target(mnt_tab *tb, const char *path, int direction); +extern mnt_fs *mnt_tab_find_srcpath(mnt_tab *tb, const char *path, int direction); +extern mnt_fs *mnt_tab_find_tag(mnt_tab *tb, const char *tag, + const char *val, int direction); +extern mnt_fs *mnt_tab_find_source(mnt_tab *tb, const char *source, int direction); +extern mnt_fs *mnt_tab_find_pair(mnt_tab *tb, const char *source, + const char *target, int direction); + +extern int mnt_tab_find_next_fs(mnt_tab *tb, mnt_iter *itr, + int (*match_func)(mnt_fs *, void *), void *userdata, + mnt_fs **fs); + +/* tab_update.c */ +extern mnt_update *mnt_new_update(void); +extern void mnt_free_update(mnt_update *upd); +extern int mnt_update_is_ready(mnt_update *upd); +extern int mnt_update_set_fs(mnt_update *upd, unsigned long mountflags, + const char *target, mnt_fs *fs); +extern int mnt_update_tab(mnt_update *upd, mnt_lock *lc); +extern unsigned long mnt_update_get_mountflags(mnt_update *upd); +extern int mnt_update_force_rdonly(mnt_update *upd, int rdonly); +extern const char *mnt_update_get_filename(mnt_update *upd); +extern mnt_fs *mnt_update_get_fs(mnt_update *upd); + +/* context.c */ + +/* mode for mount options from fstab */ +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 */ + + /* 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 mnt_context *mnt_new_context(void); +extern void mnt_free_context(mnt_context *cxt); +extern int mnt_reset_context(mnt_context *cxt); +extern int mnt_context_is_restricted(mnt_context *cxt); + +extern int mnt_context_set_optsmode(mnt_context *cxt, int mode); +extern int mnt_context_disable_canonicalize(mnt_context *cxt, int disable); +extern int mnt_context_enable_lazy(mnt_context *cxt, int enable); +extern int mnt_context_enable_rdonly_umount(mnt_context *cxt, int enable); +extern int mnt_context_disable_helpers(mnt_context *cxt, int disable); +extern int mnt_context_enable_sloppy(mnt_context *cxt, int enable); +extern int mnt_context_enable_fake(mnt_context *cxt, int enable); +extern int mnt_context_disable_mtab(mnt_context *cxt, int disable); +extern int mnt_context_enable_force(mnt_context *cxt, int enable); +extern int mnt_context_enable_verbose(mnt_context *cxt, int enable); +extern int mnt_context_enable_loopdel(mnt_context *cxt, int enable); + +extern int mnt_context_get_optsmode(mnt_context *cxt); +extern int mnt_context_is_lazy(mnt_context *cxt); +extern int mnt_context_is_rdonly_umount(mnt_context *cxt); +extern int mnt_context_is_sloppy(mnt_context *cxt); +extern int mnt_context_is_fake(mnt_context *cxt); +extern int mnt_context_is_nomtab(mnt_context *cxt); +extern int mnt_context_is_force(mnt_context *cxt); +extern int mnt_context_is_verbose(mnt_context *cxt); + +extern int mnt_context_set_fs(mnt_context *cxt, mnt_fs *fs); +extern mnt_fs *mnt_context_get_fs(mnt_context *cxt); +extern int mnt_context_set_source(mnt_context *cxt, const char *source); +extern int mnt_context_set_target(mnt_context *cxt, const char *target); +extern int mnt_context_set_fstype(mnt_context *cxt, const char *fstype); +extern int mnt_context_set_options(mnt_context *cxt, const char *optstr); +extern int mnt_context_append_options(mnt_context *cxt, const char *optstr); +extern int mnt_context_set_fstype_pattern(mnt_context *cxt, const char *pattern); +extern int mnt_context_set_options_pattern(mnt_context *cxt, const char *pattern); + +extern int mnt_context_set_fstab(mnt_context *cxt, mnt_tab *tb); +extern int mnt_context_get_fstab(mnt_context *cxt, mnt_tab **tb); +extern int mnt_context_get_mtab(mnt_context *cxt, mnt_tab **tb); +extern int mnt_context_set_cache(mnt_context *cxt, mnt_cache *cache); +extern mnt_cache *mnt_context_get_cache(mnt_context *cxt); +extern mnt_lock *mnt_context_get_lock(mnt_context *cxt); + +extern int mnt_context_set_mountflags(mnt_context *cxt, unsigned long flags); +extern int mnt_context_get_mountflags(mnt_context *cxt, unsigned long *flags); +extern int mnt_context_set_userspace_mountflags(mnt_context *cxt, unsigned long flags); +extern int mnt_context_get_userspace_mountflags(mnt_context *cxt, unsigned long *flags); + +extern int mnt_context_set_mountdata(mnt_context *cxt, void *data); +extern int mnt_context_apply_fstab(mnt_context *cxt); +extern int mnt_context_get_status(mnt_context *cxt); +extern int mnt_context_strerror(mnt_context *cxt, char *buf, size_t bufsiz); + +extern int mnt_mount_context(mnt_context *cxt); + +extern int mnt_context_prepare_mount(mnt_context *cxt); +extern int mnt_context_do_mount(mnt_context *cxt); +extern int mnt_context_finalize_mount(mnt_context *cxt); + +extern int mnt_context_do_umount(mnt_context *cxt); + +/* + * 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) + +/* + * 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_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 also elsewhere */ +#endif +#ifndef MS_MOVE +#define MS_MOVE 0x2000 /* 8192: Atomically move tree */ +#endif +#ifndef MS_REC +#define MS_REC 0x4000 /* 16384: Recursive loopback */ +#endif +#ifndef MS_VERBOSE +#define MS_VERBOSE 0x8000 /* 32768 */ +#endif +#ifndef MS_RELATIME +#define MS_RELATIME 0x200000 /* 200000: Update access times relative + to mtime/ctime */ +#endif +#ifndef MS_UNBINDABLE +#define MS_UNBINDABLE (1<<17) /* 131072 unbindable*/ +#endif +#ifndef MS_PRIVATE +#define MS_PRIVATE (1<<18) /* 262144 Private*/ +#endif +#ifndef MS_SLAVE +#define MS_SLAVE (1<<19) /* 524288 Slave*/ +#endif +#ifndef MS_SHARED +#define MS_SHARED (1<<20) /* 1048576 Shared*/ +#endif +#ifndef MS_I_VERSION +#define MS_I_VERSION (1<<23) /* update inode I_version field */ +#endif +#ifndef MS_STRICTATIME +#define MS_STRICTATIME (1<<24) /* strict atime semantics */ +#endif + +/* + * Magic mount flag number. Had to be or-ed to the flag values. + */ +#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 */ |