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Implemented _g_get_unix_mount_points() based on libmount

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https://bugzilla.gnome.org/show_bug.cgi?id=522053
This commit is contained in:
Mario Sanchez Prada 2016-07-19 12:05:02 +01:00
parent 2051ee7678
commit 44f4309e3b
1 changed files with 116 additions and 0 deletions
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116
gio/gunixmounts.c
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@ -347,6 +347,29 @@ create_unix_mount_entry (const char *device_path,
return mount_entry;
}
static GUnixMountPoint *
create_unix_mount_point (const char *device_path,
const char *mount_path,
const char *filesystem_type,
const char *options,
gboolean is_read_only,
gboolean is_user_mountable,
gboolean is_loopback)
{
GUnixMountPoint *mount_point = NULL;
mount_point = g_new0 (GUnixMountPoint, 1);
mount_point->device_path = g_strdup (device_path);
mount_point->mount_path = g_strdup (mount_path);
mount_point->filesystem_type = g_strdup (filesystem_type);
mount_point->options = g_strdup (options);
mount_point->is_read_only = is_read_only;
mount_point->is_user_mountable = is_user_mountable;
mount_point->is_loopback = is_loopback;
return mount_point;
}
/* mntent.h (Linux, GNU, NSS) {{{2 */
#ifdef HAVE_MNTENT_H
@ -817,6 +840,97 @@ get_fstab_file (void)
/* mntent.h (Linux, GNU, NSS) {{{2 */
#ifdef HAVE_MNTENT_H
#ifdef HAVE_LIBMOUNT
static GList *
_g_get_unix_mount_points (void)
{
struct libmnt_table *table = NULL;
struct libmnt_context *ctxt = NULL;
struct libmnt_iter* iter = NULL;
struct libmnt_fs *fs = NULL;
GUnixMountPoint *mount_point = NULL;
GList *return_list = NULL;
ctxt = mnt_new_context ();
mnt_context_get_fstab (ctxt, &table);
if (!table)
return NULL;
iter = mnt_new_iter (MNT_ITER_FORWARD);
while (mnt_table_next_fs (table, iter, &fs) == 0)
{
const char *device_path = NULL;
const char *mount_path = NULL;
const char *mount_fstype = NULL;
char *mount_options = NULL;
gboolean is_read_only = FALSE;
gboolean is_user_mountable = FALSE;
gboolean is_loopback = FALSE;
mount_path = mnt_fs_get_target (fs);
if ((strcmp (mount_path, "ignore") == 0) ||
(strcmp (mount_path, "swap") == 0) ||
(strcmp (mount_path, "none") == 0))
continue;
mount_fstype = mnt_fs_get_fstype (fs);
mount_options = mnt_fs_strdup_options (fs);
if (mount_options)
{
unsigned long mount_flags = 0;
unsigned long userspace_flags = 0;
mnt_optstr_get_flags (mount_options, &mount_flags, mnt_get_builtin_optmap (MNT_LINUX_MAP));
mnt_optstr_get_flags (mount_options, &userspace_flags, mnt_get_builtin_optmap (MNT_USERSPACE_MAP));
/* We ignore bind fstab entries, as we ignore bind mounts anyway */
if (mount_flags & MS_BIND)
{
g_free (mount_options);
continue;
}
is_read_only = (mount_flags & MS_RDONLY) != 0;
is_loopback = (userspace_flags & MNT_MS_LOOP) != 0;
if ((mount_fstype != NULL && g_strcmp0 ("supermount", mount_fstype) == 0) ||
((userspace_flags & MNT_MS_USER) &&
(g_strstr_len (mount_options, -1, "user_xattr") == NULL)) ||
(g_strstr_len (mount_options, -1, "pamconsole") == NULL) ||
(userspace_flags & MNT_MS_USERS) ||
(userspace_flags & MNT_MS_OWNER))
{
is_user_mountable = TRUE;
}
}
device_path = mnt_fs_get_source (fs);
if (g_strcmp0 (device_path, "/dev/root") == 0)
device_path = _resolve_dev_root ();
mount_point = create_unix_mount_point (device_path,
mount_path,
mount_fstype,
mount_options,
is_read_only,
is_user_mountable,
is_loopback);
if (mount_options)
g_free (mount_options);
return_list = g_list_prepend (return_list, mount_point);
}
mnt_free_iter (iter);
mnt_free_context (ctxt);
return g_list_reverse (return_list);
}
#else
static GList *
_g_get_unix_mount_points (void)
{
@ -897,6 +1011,8 @@ _g_get_unix_mount_points (void)
return g_list_reverse (return_list);
}
#endif /* HAVE_LIBMOUNT */
/* mnttab.h {{{2 */
#elif defined (HAVE_SYS_MNTTAB_H)