+++ /dev/null
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#ifndef USE_UNSTABLE_LIBMOUNT_API
-# define USE_UNSTABLE_LIBMOUNT_API 1
-#endif
-
-#include <Ecore.h>
-#include <Eeze.h>
-#include <Eeze_Disk.h>
-#include <libmount.h>
-#include <unistd.h>
-
-#include "eeze_udev_private.h"
-#include "eeze_disk_private.h"
-
-/*
- *
- * PRIVATE
- *
- */
-
-static struct libmnt_optmap eeze_optmap[] =
-{
- { "loop[=]", EEZE_DISK_MOUNTOPT_LOOP, 0 },
- { "utf8", EEZE_DISK_MOUNTOPT_UTF8, 0 },
- { "noexec", EEZE_DISK_MOUNTOPT_NOEXEC, 0 },
- { "nosuid", EEZE_DISK_MOUNTOPT_NOSUID, 0 },
- { "remount", EEZE_DISK_MOUNTOPT_REMOUNT, 0 },
- { "uid[=]", EEZE_DISK_MOUNTOPT_UID, 0 },
- { "nodev", EEZE_DISK_MOUNTOPT_NODEV, 0 },
- { NULL, 0, 0 }
-};
-typedef struct libmnt_table libmnt_table;
-typedef struct libmnt_lock libmnt_lock;
-typedef struct libmnt_fs libmnt_fs;
-typedef struct libmnt_cache libmnt_cache;
-static Ecore_File_Monitor *_mtab_mon = NULL;
-static Ecore_File_Monitor *_fstab_mon = NULL;
-static Eina_Bool _watching = EINA_FALSE;
-static Eina_Bool _mtab_scan_active = EINA_FALSE;
-static Eina_Bool _mtab_locked = EINA_FALSE;
-static Eina_Bool _fstab_scan_active = EINA_FALSE;
-static libmnt_cache *_eeze_mount_mtab_cache = NULL;
-static libmnt_cache *_eeze_mount_fstab_cache = NULL;
-static libmnt_table *_eeze_mount_mtab = NULL;
-static libmnt_table *_eeze_mount_fstab = NULL;
-static libmnt_lock *_eeze_mtab_lock = NULL;
-extern Eina_List *_eeze_disks;
-
-static libmnt_table *_eeze_mount_tab_parse(const char *filename);
-static void _eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon EINA_UNUSED, Ecore_File_Event event EINA_UNUSED, const char *path);
-
-static Eina_Bool
-_eeze_mount_lock_mtab(void)
-{
-// DBG("Locking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
- if (EINA_LIKELY(access("/etc/mtab", W_OK)))
- {
- INF("Insufficient privs for mtab lock, continuing without lock");
- return EINA_TRUE;
- }
- if (mnt_lock_file(_eeze_mtab_lock))
- {
- ERR("Couldn't lock mtab!");
- return EINA_FALSE;
- }
- _mtab_locked = EINA_TRUE;
- return EINA_TRUE;
-}
-
-static void
-_eeze_mount_unlock_mtab(void)
-{
-// DBG("Unlocking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
- if (_mtab_locked) mnt_unlock_file(_eeze_mtab_lock);
- _mtab_locked = EINA_FALSE;
-}
-
-
-static int
-_eeze_mount_tab_parse_errcb(libmnt_table *tab EINA_UNUSED, const char *filename, int line)
-{
- ERR("%s:%d: could not parse line!", filename, line); /* most worthless error reporting ever. */
- return -1;
-}
-
-/*
- * I could use mnt_new_table_from_file() but this way gives much more detailed output
- * on failure so why not
- */
-static libmnt_table *
-_eeze_mount_tab_parse(const char *filename)
-{
- libmnt_table *tab;
-
- if (!(tab = mnt_new_table())) return NULL;
- if (mnt_table_set_parser_errcb(tab, _eeze_mount_tab_parse_errcb))
- {
- ERR("Alloc!");
- mnt_free_table(tab);
- return NULL;
- }
-
- if (!mnt_table_parse_file(tab, filename))
- return tab;
-
- mnt_free_table(tab);
- return NULL;
-}
-
-static void
-_eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon EINA_UNUSED, Ecore_File_Event event EINA_UNUSED, const char *path)
-{
- libmnt_table *bak;
-
- if (
- ((_mtab_scan_active) && (data)) || /* mtab has non-null data to avoid needing strcmp */
- ((_fstab_scan_active) && (!data))
- )
- /* prevent scans from triggering a scan */
- return;
-
- bak = _eeze_mount_mtab;
- if (data)
- if (!_eeze_mount_lock_mtab())
- { /* FIXME: maybe queue job here? */
- ERR("Losing events...");
- return;
- }
- _eeze_mount_mtab = _eeze_mount_tab_parse(path);
- if (data)
- _eeze_mount_unlock_mtab();
- if (!_eeze_mount_mtab)
- {
- ERR("Could not parse %s! keeping old tab...", path);
- goto error;
- }
- if (data)
- {
- Eina_List *l;
- Eeze_Disk *disk;
-
- /* catch externally initiated mounts on existing disks by comparing known mount state to current state */
- EINA_LIST_FOREACH(_eeze_disks, l, disk)
- {
- Eina_Bool mounted;
-
- mounted = disk->mounted;
-
- if ((eeze_disk_libmount_mounted_get(disk) != mounted) && (!disk->mount_status))
- {
- if (!mounted)
- {
- Eeze_Event_Disk_Mount *e;
- e = malloc(sizeof(Eeze_Event_Disk_Mount));
- if (e)
- {
- e->disk = disk;
- ecore_event_add(EEZE_EVENT_DISK_MOUNT, e, NULL, NULL);
- }
- }
- else
- {
- Eeze_Event_Disk_Unmount *e;
- e = malloc(sizeof(Eeze_Event_Disk_Unmount));
- if (e)
- {
- e->disk = disk;
- ecore_event_add(EEZE_EVENT_DISK_UNMOUNT, e, NULL, NULL);
- }
- }
- }
- }
- }
-
- mnt_free_table(bak);
- if (data)
- {
- mnt_free_cache(_eeze_mount_mtab_cache);
- _eeze_mount_mtab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
- }
- else
- {
- mnt_free_cache(_eeze_mount_fstab_cache);
- _eeze_mount_fstab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
- }
- return;
-
-error:
- mnt_free_table(_eeze_mount_mtab);
- _eeze_mount_mtab = bak;
-}
-
-/*
- *
- * INVISIBLE
- *
- */
-
-Eina_Bool
-eeze_libmount_init(void)
-{
- if (_eeze_mtab_lock)
- return EINA_TRUE;
- if (!(_eeze_mtab_lock = mnt_new_lock("/etc/mtab", 0)))
- return EINA_FALSE;
- return EINA_TRUE;
-}
-
-void
-eeze_libmount_shutdown(void)
-{
- if (_eeze_mount_fstab)
- {
- mnt_free_table(_eeze_mount_fstab);
- mnt_free_cache(_eeze_mount_fstab_cache);
- }
- if (_eeze_mount_mtab)
- {
- mnt_free_table(_eeze_mount_mtab);
- mnt_free_cache(_eeze_mount_mtab_cache);
- }
- eeze_mount_tabs_unwatch();
- if (!_eeze_mtab_lock)
- return;
-
- mnt_unlock_file(_eeze_mtab_lock);
- mnt_free_lock(_eeze_mtab_lock);
- _eeze_mtab_lock = NULL;
-}
-
-unsigned long
-eeze_disk_libmount_opts_get(Eeze_Disk *disk)
-{
- libmnt_fs *mnt;
- const char *opts;
- unsigned long f = 0;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return 0;
-
- mnt = mnt_table_find_tag(_eeze_mount_mtab, "UUID", eeze_disk_uuid_get(disk), MNT_ITER_BACKWARD);
- if (!mnt)
- mnt = mnt_table_find_tag(_eeze_mount_fstab, "UUID", eeze_disk_uuid_get(disk), MNT_ITER_BACKWARD);
-
- if (!mnt) return 0;
-
- opts = mnt_fs_get_fs_options(mnt);
- if (!opts) return 0;
- if (!mnt_optstr_get_flags(opts, &f, eeze_optmap)) return 0;
- return f;
-}
-
-/*
- * helper function to return whether a disk is mounted
- */
-Eina_Bool
-eeze_disk_libmount_mounted_get(Eeze_Disk *disk)
-{
- libmnt_fs *mnt;
-
- if (!disk)
- return EINA_FALSE;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return EINA_FALSE;
-
- mnt = mnt_table_find_srcpath(_eeze_mount_mtab, eeze_disk_devpath_get(disk), MNT_ITER_BACKWARD);
- if (!mnt)
- {
- disk->mounted = EINA_FALSE;
- return EINA_FALSE;
- }
-
- eina_stringshare_replace(&disk->mount_point, mnt_fs_get_target(mnt));
- disk->mounted = EINA_TRUE;
- return EINA_TRUE;
-}
-
-
-/*
- * helper function to return the device that is mounted at a mount point
- */
-const char *
-eeze_disk_libmount_mp_find_source(const char *mount_point)
-{
- libmnt_fs *mnt;
-
- if (!mount_point)
- return NULL;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return NULL;
-
- mnt = mnt_table_find_target(_eeze_mount_mtab, mount_point, MNT_ITER_BACKWARD);
- if (!mnt)
- mnt = mnt_table_find_target(_eeze_mount_fstab, mount_point, MNT_ITER_BACKWARD);
-
- if (!mnt)
- return NULL;
-
- return mnt_fs_get_source(mnt);
-}
-
-/*
- * helper function to return a mount point from a uuid
- */
-const char *
-eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid)
-{
- libmnt_fs *mnt;
-
- if (!uuid)
- return NULL;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return NULL;
-
- mnt = mnt_table_find_tag(_eeze_mount_fstab, "UUID", uuid, MNT_ITER_BACKWARD);
-
- if (!mnt)
- return NULL;
-
- return mnt_fs_get_target(mnt);
-}
-
-/*
- * helper function to return a mount point from a label
- */
-const char *
-eeze_disk_libmount_mp_lookup_by_label(const char *label)
-{
- libmnt_fs *mnt;
-
- if (!label)
- return NULL;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return NULL;
-
- mnt = mnt_table_find_tag(_eeze_mount_fstab, "LABEL", label, MNT_ITER_BACKWARD);
-
- if (!mnt)
- return NULL;
-
- return mnt_fs_get_target(mnt);
-}
-
-/*
- * helper function to return a mount point from a /dev/ path
- */
-const char *
-eeze_disk_libmount_mp_lookup_by_devpath(const char *devpath)
-{
- libmnt_fs *mnt;
-
- if (!devpath)
- return NULL;
-
- if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
- return NULL;
-
- mnt = mnt_table_find_srcpath(_eeze_mount_mtab, devpath, MNT_ITER_BACKWARD);
- if (!mnt)
- mnt = mnt_table_find_srcpath(_eeze_mount_fstab, devpath, MNT_ITER_BACKWARD);
-
- if (!mnt)
- return NULL;
-
- return mnt_fs_get_target(mnt);
-}
-
-/*
- *
- * API
- *
- */
-
-EAPI Eina_Bool
-eeze_mount_tabs_watch(void)
-{
- libmnt_table *bak;
-
- if (_watching)
- return EINA_TRUE;
-
- if (!_eeze_mount_lock_mtab())
- return EINA_FALSE;
-
- bak = _eeze_mount_tab_parse("/etc/mtab");
- _eeze_mount_unlock_mtab();
- if (!bak)
- goto error;
-
- mnt_free_table(_eeze_mount_mtab);
- _eeze_mount_mtab = bak;
- if (!(bak = _eeze_mount_tab_parse("/etc/fstab")))
- goto error;
-
- mnt_free_table(_eeze_mount_fstab);
- _eeze_mount_fstab = bak;
-
- _eeze_mount_mtab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
-
- _eeze_mount_fstab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
-
- _mtab_mon = ecore_file_monitor_add("/etc/mtab", _eeze_mount_tab_watcher, (void*)1);
- _fstab_mon = ecore_file_monitor_add("/etc/fstab", _eeze_mount_tab_watcher, NULL);
- _watching = EINA_TRUE;
-
- return EINA_TRUE;
-
-error:
- if (!_eeze_mount_mtab)
- ERR("Could not parse /etc/mtab!");
- else
- {
- ERR("Could not parse /etc/fstab!");
- mnt_free_table(_eeze_mount_mtab);
- }
- return EINA_FALSE;
-}
-
-EAPI void
-eeze_mount_tabs_unwatch(void)
-{
- if (!_watching)
- return;
-
- ecore_file_monitor_del(_mtab_mon);
- _mtab_mon = NULL;
- ecore_file_monitor_del(_fstab_mon);
- _fstab_mon = NULL;
- _watching = EINA_FALSE;
-}
-
-EAPI Eina_Bool
-eeze_mount_mtab_scan(void)
-{
- libmnt_table *bak;
-
- if (_watching)
- return EINA_TRUE;
-
- if (!_eeze_mount_lock_mtab())
- return EINA_FALSE;
- bak = _eeze_mount_tab_parse("/etc/mtab");
- _eeze_mount_unlock_mtab();
- if (!bak)
- goto error;
- if (_eeze_mount_mtab)
- {
- mnt_free_table(_eeze_mount_mtab);
- mnt_free_cache(_eeze_mount_mtab_cache);
- }
- _eeze_mount_mtab = bak;
- _eeze_mount_mtab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
-
- return EINA_TRUE;
-
-error:
- return EINA_FALSE;
-}
-
-EAPI Eina_Bool
-eeze_mount_fstab_scan(void)
-{
- libmnt_table *bak;
- if (_watching)
- return EINA_TRUE;
-
- bak = _eeze_mount_tab_parse("/etc/fstab");
- if (!bak)
- goto error;
- if (_eeze_mount_fstab)
- {
- mnt_free_table(_eeze_mount_fstab);
- mnt_free_cache(_eeze_mount_fstab_cache);
- }
- _eeze_mount_fstab = bak;
- _eeze_mount_fstab_cache = mnt_new_cache();
- mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
-
- return EINA_TRUE;
-
-error:
- return EINA_FALSE;
-}