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glib/gio/glocalfile.c
Ryan Lortie 084e5b0122 GLocalFile: use GDir for g_file_measure_disk_usage 
It turns out that although dirent is available on mingw32 (where the
code was originally tested), it is not usable from MSVC.

Avoid portability problems by just using GDir.

Also, be careful about ensuring that we utf8-format filenames in our
error messages, and leave out the "file://" component since the strings
we're displaying are not URIs (and we don't want to make them URIs since
the extra escaping would reduce legibility).

Thanks to Chun-wei Fan <fanchunwei@src.gnome.org> for portions of this
patch and for reviews.

https://bugzilla.gnome.org/show_bug.cgi?id=707787
2013-09-16 13:38:40 -04:00

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* 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 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.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#if G_OS_UNIX
#include <dirent.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#if HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#endif
#if HAVE_SYS_VFS_H
#include <sys/vfs.h>
#elif HAVE_SYS_MOUNT_H
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/mount.h>
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
#include "gfileattribute.h"
#include "glocalfile.h"
#include "glocalfileinfo.h"
#include "glocalfileenumerator.h"
#include "glocalfileinputstream.h"
#include "glocalfileoutputstream.h"
#include "glocalfileiostream.h"
#include "glocaldirectorymonitor.h"
#include "glocalfilemonitor.h"
#include "gmountprivate.h"
#include "gunixmounts.h"
#include "gioerror.h"
#include <glib/gstdio.h>
#include "glibintl.h"
#ifdef G_OS_UNIX
#include "glib-unix.h"
#endif
#include "glib-private.h"
#ifdef G_OS_WIN32
#include <windows.h>
#include <io.h>
#include <direct.h>
#ifndef FILE_READ_ONLY_VOLUME
#define FILE_READ_ONLY_VOLUME 0x00080000
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
#endif
#ifndef S_ISLNK
#define S_ISLNK(m) (0)
#endif
#endif
static void g_local_file_file_iface_init (GFileIface *iface);
static GFileAttributeInfoList *local_writable_attributes = NULL;
static /* GFileAttributeInfoList * */ gsize local_writable_namespaces = 0;
struct _GLocalFile
{
GObject parent_instance;
char *filename;
};
#define g_local_file_get_type _g_local_file_get_type
G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
g_local_file_file_iface_init))
static char *find_mountpoint_for (const char *file, dev_t dev);
static void
g_local_file_finalize (GObject *object)
{
GLocalFile *local;
local = G_LOCAL_FILE (object);
g_free (local->filename);
G_OBJECT_CLASS (g_local_file_parent_class)->finalize (object);
}
static void
g_local_file_class_init (GLocalFileClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GFileAttributeInfoList *list;
gobject_class->finalize = g_local_file_finalize;
/* Set up attribute lists */
/* Writable attributes: */
list = g_file_attribute_info_list_new ();
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_UNIX_MODE,
G_FILE_ATTRIBUTE_TYPE_UINT32,
G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
#ifdef HAVE_CHOWN
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_UNIX_UID,
G_FILE_ATTRIBUTE_TYPE_UINT32,
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_UNIX_GID,
G_FILE_ATTRIBUTE_TYPE_UINT32,
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
#endif
#ifdef HAVE_SYMLINK
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
0);
#endif
#ifdef HAVE_UTIMES
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_TIME_MODIFIED,
G_FILE_ATTRIBUTE_TYPE_UINT64,
G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
G_FILE_ATTRIBUTE_TYPE_UINT32,
G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
/* When copying, the target file is accessed. Replicating
* the source access time does not make sense in this case.
*/
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_TIME_ACCESS,
G_FILE_ATTRIBUTE_TYPE_UINT64,
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
g_file_attribute_info_list_add (list,
G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
G_FILE_ATTRIBUTE_TYPE_UINT32,
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
#endif
local_writable_attributes = list;
}
static void
g_local_file_init (GLocalFile *local)
{
}
const char *
_g_local_file_get_filename (GLocalFile *file)
{
return file->filename;
}
static char *
canonicalize_filename (const char *filename)
{
char *canon, *start, *p, *q;
char *cwd;
int i;
if (!g_path_is_absolute (filename))
{
cwd = g_get_current_dir ();
canon = g_build_filename (cwd, filename, NULL);
g_free (cwd);
}
else
canon = g_strdup (filename);
start = (char *)g_path_skip_root (canon);
if (start == NULL)
{
/* This shouldn't really happen, as g_get_current_dir() should
return an absolute pathname, but bug 573843 shows this is
not always happening */
g_free (canon);
return g_build_filename (G_DIR_SEPARATOR_S, filename, NULL);
}
/* POSIX allows double slashes at the start to
* mean something special (as does windows too).
* So, "//" != "/", but more than two slashes
* is treated as "/".
*/
i = 0;
for (p = start - 1;
(p >= canon) &&
G_IS_DIR_SEPARATOR (*p);
p--)
i++;
if (i > 2)
{
i -= 1;
start -= i;
memmove (start, start+i, strlen (start+i)+1);
}
/* Make sure we're using the canonical dir separator */
p++;
while (p < start && G_IS_DIR_SEPARATOR (*p))
*p++ = G_DIR_SEPARATOR;
p = start;
while (*p != 0)
{
if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
{
memmove (p, p+1, strlen (p+1)+1);
}
else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
{
q = p + 2;
/* Skip previous separator */
p = p - 2;
if (p < start)
p = start;
while (p > start && !G_IS_DIR_SEPARATOR (*p))
p--;
if (G_IS_DIR_SEPARATOR (*p))
*p++ = G_DIR_SEPARATOR;
memmove (p, q, strlen (q)+1);
}
else
{
/* Skip until next separator */
while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
p++;
if (*p != 0)
{
/* Canonicalize one separator */
*p++ = G_DIR_SEPARATOR;
}
}
/* Remove additional separators */
q = p;
while (*q && G_IS_DIR_SEPARATOR (*q))
q++;
if (p != q)
memmove (p, q, strlen (q)+1);
}
/* Remove trailing slashes */
if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
*(p-1) = 0;
return canon;
}
GFile *
_g_local_file_new (const char *filename)
{
GLocalFile *local;
local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
local->filename = canonicalize_filename (filename);
return G_FILE (local);
}
static gboolean
g_local_file_is_native (GFile *file)
{
return TRUE;
}
static gboolean
g_local_file_has_uri_scheme (GFile *file,
const char *uri_scheme)
{
return g_ascii_strcasecmp (uri_scheme, "file") == 0;
}
static char *
g_local_file_get_uri_scheme (GFile *file)
{
return g_strdup ("file");
}
static char *
g_local_file_get_basename (GFile *file)
{
return g_path_get_basename (G_LOCAL_FILE (file)->filename);
}
static char *
g_local_file_get_path (GFile *file)
{
return g_strdup (G_LOCAL_FILE (file)->filename);
}
static char *
g_local_file_get_uri (GFile *file)
{
return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
}
static gboolean
get_filename_charset (const gchar **filename_charset)
{
const gchar **charsets;
gboolean is_utf8;
is_utf8 = g_get_filename_charsets (&charsets);
if (filename_charset)
*filename_charset = charsets[0];
return is_utf8;
}
static gboolean
name_is_valid_for_display (const char *string,
gboolean is_valid_utf8)
{
char c;
if (!is_valid_utf8 &&
!g_utf8_validate (string, -1, NULL))
return FALSE;
while ((c = *string++) != 0)
{
if (g_ascii_iscntrl (c))
return FALSE;
}
return TRUE;
}
static char *
g_local_file_get_parse_name (GFile *file)
{
const char *filename;
char *parse_name;
const gchar *charset;
char *utf8_filename;
char *roundtripped_filename;
gboolean free_utf8_filename;
gboolean is_valid_utf8;
char *escaped_path;
filename = G_LOCAL_FILE (file)->filename;
if (get_filename_charset (&charset))
{
utf8_filename = (char *)filename;
free_utf8_filename = FALSE;
is_valid_utf8 = FALSE; /* Can't guarantee this */
}
else
{
utf8_filename = g_convert (filename, -1,
"UTF-8", charset, NULL, NULL, NULL);
free_utf8_filename = TRUE;
is_valid_utf8 = TRUE;
if (utf8_filename != NULL)
{
/* Make sure we can roundtrip: */
roundtripped_filename = g_convert (utf8_filename, -1,
charset, "UTF-8", NULL, NULL, NULL);
if (roundtripped_filename == NULL ||
strcmp (filename, roundtripped_filename) != 0)
{
g_free (utf8_filename);
utf8_filename = NULL;
}
g_free (roundtripped_filename);
}
}
if (utf8_filename != NULL &&
name_is_valid_for_display (utf8_filename, is_valid_utf8))
{
if (free_utf8_filename)
parse_name = utf8_filename;
else
parse_name = g_strdup (utf8_filename);
}
else
{
#ifdef G_OS_WIN32
char *dup_filename, *p, *backslash;
/* Turn backslashes into forward slashes like
* g_filename_to_uri() would do (but we can't use that because
* it doesn't output IRIs).
*/
dup_filename = g_strdup (filename);
filename = p = dup_filename;
while ((backslash = strchr (p, '\\')) != NULL)
{
*backslash = '/';
p = backslash + 1;
}
#endif
escaped_path = g_uri_escape_string (filename,
G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
TRUE);
parse_name = g_strconcat ("file://",
(*escaped_path != '/') ? "/" : "",
escaped_path,
NULL);
g_free (escaped_path);
#ifdef G_OS_WIN32
g_free (dup_filename);
#endif
if (free_utf8_filename)
g_free (utf8_filename);
}
return parse_name;
}
static GFile *
g_local_file_get_parent (GFile *file)
{
GLocalFile *local = G_LOCAL_FILE (file);
const char *non_root;
char *dirname;
GFile *parent;
/* Check for root */
non_root = g_path_skip_root (local->filename);
if (*non_root == 0)
return NULL;
dirname = g_path_get_dirname (local->filename);
parent = _g_local_file_new (dirname);
g_free (dirname);
return parent;
}
static GFile *
g_local_file_dup (GFile *file)
{
GLocalFile *local = G_LOCAL_FILE (file);
return _g_local_file_new (local->filename);
}
static guint
g_local_file_hash (GFile *file)
{
GLocalFile *local = G_LOCAL_FILE (file);
return g_str_hash (local->filename);
}
static gboolean
g_local_file_equal (GFile *file1,
GFile *file2)
{
GLocalFile *local1 = G_LOCAL_FILE (file1);
GLocalFile *local2 = G_LOCAL_FILE (file2);
return g_str_equal (local1->filename, local2->filename);
}
static const char *
match_prefix (const char *path,
const char *prefix)
{
int prefix_len;
prefix_len = strlen (prefix);
if (strncmp (path, prefix, prefix_len) != 0)
return NULL;
/* Handle the case where prefix is the root, so that
* the IS_DIR_SEPRARATOR check below works */
if (prefix_len > 0 &&
G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
prefix_len--;
return path + prefix_len;
}
static gboolean
g_local_file_prefix_matches (GFile *parent,
GFile *descendant)
{
GLocalFile *parent_local = G_LOCAL_FILE (parent);
GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
const char *remainder;
remainder = match_prefix (descendant_local->filename, parent_local->filename);
if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
return TRUE;
return FALSE;
}
static char *
g_local_file_get_relative_path (GFile *parent,
GFile *descendant)
{
GLocalFile *parent_local = G_LOCAL_FILE (parent);
GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
const char *remainder;
remainder = match_prefix (descendant_local->filename, parent_local->filename);
if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
return g_strdup (remainder + 1);
return NULL;
}
static GFile *
g_local_file_resolve_relative_path (GFile *file,
const char *relative_path)
{
GLocalFile *local = G_LOCAL_FILE (file);
char *filename;
GFile *child;
if (g_path_is_absolute (relative_path))
return _g_local_file_new (relative_path);
filename = g_build_filename (local->filename, relative_path, NULL);
child = _g_local_file_new (filename);
g_free (filename);
return child;
}
static GFileEnumerator *
g_local_file_enumerate_children (GFile *file,
const char *attributes,
GFileQueryInfoFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
return _g_local_file_enumerator_new (local,
attributes, flags,
cancellable, error);
}
static GFile *
g_local_file_get_child_for_display_name (GFile *file,
const char *display_name,
GError **error)
{
GFile *new_file;
char *basename;
basename = g_filename_from_utf8 (display_name, -1, NULL, NULL, NULL);
if (basename == NULL)
{
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_INVALID_FILENAME,
_("Invalid filename %s"), display_name);
return NULL;
}
new_file = g_file_get_child (file, basename);
g_free (basename);
return new_file;
}
#if defined(USE_STATFS) && !defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
static const char *
get_fs_type (long f_type)
{
/* filesystem ids taken from linux manpage */
switch (f_type)
{
case 0xadf5:
return "adfs";
case 0x5346414f:
return "afs";
case 0x0187:
return "autofs";
case 0xADFF:
return "affs";
case 0x42465331:
return "befs";
case 0x1BADFACE:
return "bfs";
case 0x9123683E:
return "btrfs";
case 0xFF534D42:
return "cifs";
case 0x73757245:
return "coda";
case 0x012FF7B7:
return "coh";
case 0x28cd3d45:
return "cramfs";
case 0x1373:
return "devfs";
case 0x00414A53:
return "efs";
case 0x137D:
return "ext";
case 0xEF51:
return "ext2";
case 0xEF53:
return "ext3/ext4";
case 0x4244:
return "hfs";
case 0xF995E849:
return "hpfs";
case 0x958458f6:
return "hugetlbfs";
case 0x9660:
return "isofs";
case 0x72b6:
return "jffs2";
case 0x3153464a:
return "jfs";
case 0x137F:
return "minix";
case 0x138F:
return "minix2";
case 0x2468:
return "minix2";
case 0x2478:
return "minix22";
case 0x4d44:
return "msdos";
case 0x564c:
return "ncp";
case 0x6969:
return "nfs";
case 0x5346544e:
return "ntfs";
case 0x9fa1:
return "openprom";
case 0x9fa0:
return "proc";
case 0x002f:
return "qnx4";
case 0x52654973:
return "reiserfs";
case 0x7275:
return "romfs";
case 0x517B:
return "smb";
case 0x73717368:
return "squashfs";
case 0x012FF7B6:
return "sysv2";
case 0x012FF7B5:
return "sysv4";
case 0x01021994:
return "tmpfs";
case 0x15013346:
return "udf";
case 0x00011954:
return "ufs";
case 0x9fa2:
return "usbdevice";
case 0xa501FCF5:
return "vxfs";
case 0x012FF7B4:
return "xenix";
case 0x58465342:
return "xfs";
case 0x012FD16D:
return "xiafs";
case 0x52345362:
return "reiser4";
default:
return NULL;
}
}
#endif
#ifndef G_OS_WIN32
G_LOCK_DEFINE_STATIC(mount_info_hash);
static GHashTable *mount_info_hash = NULL;
static guint64 mount_info_hash_cache_time = 0;
typedef enum {
MOUNT_INFO_READONLY = 1<<0
} MountInfo;
static gboolean
device_equal (gconstpointer v1,
gconstpointer v2)
{
return *(dev_t *)v1 == *(dev_t *)v2;
}
static guint
device_hash (gconstpointer v)
{
return (guint) *(dev_t *)v;
}
static void
get_mount_info (GFileInfo *fs_info,
const char *path,
GFileAttributeMatcher *matcher)
{
GStatBuf buf;
gboolean got_info;
gpointer info_as_ptr;
guint mount_info;
char *mountpoint;
dev_t *dev;
GUnixMountEntry *mount;
guint64 cache_time;
if (g_lstat (path, &buf) != 0)
return;
G_LOCK (mount_info_hash);
if (mount_info_hash == NULL)
mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
g_free, NULL);
if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
g_hash_table_remove_all (mount_info_hash);
got_info = g_hash_table_lookup_extended (mount_info_hash,
&buf.st_dev,
NULL,
&info_as_ptr);
G_UNLOCK (mount_info_hash);
mount_info = GPOINTER_TO_UINT (info_as_ptr);
if (!got_info)
{
mount_info = 0;
mountpoint = find_mountpoint_for (path, buf.st_dev);
if (mountpoint == NULL)
mountpoint = g_strdup ("/");
mount = g_unix_mount_at (mountpoint, &cache_time);
if (mount)
{
if (g_unix_mount_is_readonly (mount))
mount_info |= MOUNT_INFO_READONLY;
g_unix_mount_free (mount);
}
g_free (mountpoint);
dev = g_new0 (dev_t, 1);
*dev = buf.st_dev;
G_LOCK (mount_info_hash);
mount_info_hash_cache_time = cache_time;
g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
G_UNLOCK (mount_info_hash);
}
if (mount_info & MOUNT_INFO_READONLY)
g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
}
#endif
#ifdef G_OS_WIN32
static gboolean
is_xp_or_later (void)
{
static int result = -1;
if (result == -1)
{
#ifndef _MSC_VER
OSVERSIONINFOEX ver_info = {0};
DWORDLONG cond_mask = 0;
int op = VER_GREATER_EQUAL;
ver_info.dwOSVersionInfoSize = sizeof ver_info;
ver_info.dwMajorVersion = 5;
ver_info.dwMinorVersion = 1;
VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
result = VerifyVersionInfo (&ver_info,
VER_MAJORVERSION | VER_MINORVERSION,
cond_mask) != 0;
#else
result = ((DWORD)(LOBYTE (LOWORD (GetVersion ())))) >= 5;
#endif
}
return result;
}
static wchar_t *
get_volume_for_path (const char *path)
{
long len;
wchar_t *wpath;
wchar_t *result;
wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
result = g_new (wchar_t, MAX_PATH);
if (!GetVolumePathNameW (wpath, result, MAX_PATH))
{
char *msg = g_win32_error_message (GetLastError ());
g_critical ("GetVolumePathName failed: %s", msg);
g_free (msg);
g_free (result);
g_free (wpath);
return NULL;
}
len = wcslen (result);
if (len > 0 && result[len-1] != L'\\')
{
result = g_renew (wchar_t, result, len + 2);
result[len] = L'\\';
result[len + 1] = 0;
}
g_free (wpath);
return result;
}
static char *
find_mountpoint_for (const char *file, dev_t dev)
{
wchar_t *wpath;
char *utf8_path;
wpath = get_volume_for_path (file);
if (!wpath)
return NULL;
utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
g_free (wpath);
return utf8_path;
}
static void
get_filesystem_readonly (GFileInfo *info,
const char *path)
{
wchar_t *rootdir;
rootdir = get_volume_for_path (path);
if (rootdir)
{
if (is_xp_or_later ())
{
DWORD flags;
if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
(flags & FILE_READ_ONLY_VOLUME) != 0);
}
else
{
if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
}
}
g_free (rootdir);
}
#endif /* G_OS_WIN32 */
static GFileInfo *
g_local_file_query_filesystem_info (GFile *file,
const char *attributes,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
GFileInfo *info;
int statfs_result = 0;
gboolean no_size;
#ifndef G_OS_WIN32
const char *fstype;
#ifdef USE_STATFS
guint64 block_size;
struct statfs statfs_buffer;
#elif defined(USE_STATVFS)
guint64 block_size;
struct statvfs statfs_buffer;
#endif /* USE_STATFS */
#endif /* G_OS_WIN32 */
GFileAttributeMatcher *attribute_matcher;
no_size = FALSE;
#ifdef USE_STATFS
#if STATFS_ARGS == 2
statfs_result = statfs (local->filename, &statfs_buffer);
#elif STATFS_ARGS == 4
statfs_result = statfs (local->filename, &statfs_buffer,
sizeof (statfs_buffer), 0);
#endif /* STATFS_ARGS == 2 */
block_size = statfs_buffer.f_bsize;
/* Many backends can't report free size (for instance the gvfs fuse
backend for backend not supporting this), and set f_bfree to 0,
but it can be 0 for real too. We treat the available == 0 and
free == 0 case as "both of these are invalid".
*/
#ifndef G_OS_WIN32
if (statfs_result == 0 &&
statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0)
no_size = TRUE;
#endif /* G_OS_WIN32 */
#elif defined(USE_STATVFS)
statfs_result = statvfs (local->filename, &statfs_buffer);
block_size = statfs_buffer.f_frsize;
#endif /* USE_STATFS */
if (statfs_result == -1)
{
int errsv = errno;
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error getting filesystem info: %s"),
g_strerror (errsv));
return NULL;
}
info = g_file_info_new ();
attribute_matcher = g_file_attribute_matcher_new (attributes);
if (!no_size &&
g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
{
#ifdef G_OS_WIN32
gchar *localdir = g_path_get_dirname (local->filename);
wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
ULARGE_INTEGER li;
g_free (localdir);
if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
g_free (wdirname);
#else
#if defined(USE_STATFS) || defined(USE_STATVFS)
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
#endif
#endif
}
if (!no_size &&
g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
{
#ifdef G_OS_WIN32
gchar *localdir = g_path_get_dirname (local->filename);
wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
ULARGE_INTEGER li;
g_free (localdir);
if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, (guint64)li.QuadPart);
g_free (wdirname);
#else
#if defined(USE_STATFS) || defined(USE_STATVFS)
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
#endif
#endif /* G_OS_WIN32 */
}
if (!no_size &&
g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_USED))
{
#ifdef G_OS_WIN32
gchar *localdir = g_path_get_dirname (local->filename);
wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
ULARGE_INTEGER li_free;
ULARGE_INTEGER li_total;
g_free (localdir);
if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
g_free (wdirname);
#else
g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
#endif /* G_OS_WIN32 */
}
#ifndef G_OS_WIN32
#ifdef USE_STATFS
#if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
fstype = g_strdup (statfs_buffer.f_fstypename);
#else
fstype = get_fs_type (statfs_buffer.f_type);
#endif
#elif defined(USE_STATVFS)
#if defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME)
fstype = g_strdup (statfs_buffer.f_fstypename);
#elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
fstype = g_strdup (statfs_buffer.f_basetype);
#else
fstype = NULL;
#endif
#endif /* USE_STATFS */
if (fstype &&
g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
#endif /* G_OS_WIN32 */
if (g_file_attribute_matcher_matches (attribute_matcher,
G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
{
#ifdef G_OS_WIN32
get_filesystem_readonly (info, local->filename);
#else
get_mount_info (info, local->filename, attribute_matcher);
#endif /* G_OS_WIN32 */
}
g_file_attribute_matcher_unref (attribute_matcher);
return info;
}
static GMount *
g_local_file_find_enclosing_mount (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
GStatBuf buf;
char *mountpoint;
GMount *mount;
if (g_lstat (local->filename, &buf) != 0)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
/* Translators: This is an error message when trying to
* find the enclosing (user visible) mount of a file, but
* none exists. */
_("Containing mount does not exist"));
return NULL;
}
mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
if (mountpoint == NULL)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
/* Translators: This is an error message when trying to
* find the enclosing (user visible) mount of a file, but
* none exists. */
_("Containing mount does not exist"));
return NULL;
}
mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
g_free (mountpoint);
if (mount)
return mount;
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
/* Translators: This is an error message when trying to find
* the enclosing (user visible) mount of a file, but none
* exists. */
_("Containing mount does not exist"));
return NULL;
}
static GFile *
g_local_file_set_display_name (GFile *file,
const char *display_name,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local, *new_local;
GFile *new_file, *parent;
GStatBuf statbuf;
GVfsClass *class;
GVfs *vfs;
int errsv;
parent = g_file_get_parent (file);
if (parent == NULL)
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
_("Can't rename root directory"));
return NULL;
}
new_file = g_file_get_child_for_display_name (parent, display_name, error);
g_object_unref (parent);
if (new_file == NULL)
return NULL;
local = G_LOCAL_FILE (file);
new_local = G_LOCAL_FILE (new_file);
if (g_lstat (new_local->filename, &statbuf) == -1)
{
errsv = errno;
if (errsv != ENOENT)
{
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error renaming file: %s"),
g_strerror (errsv));
return NULL;
}
}
else
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_EXISTS,
_("Can't rename file, filename already exists"));
return NULL;
}
if (g_rename (local->filename, new_local->filename) == -1)
{
errsv = errno;
if (errsv == EINVAL)
/* We can't get a rename file into itself error herer,
so this must be an invalid filename, on e.g. FAT */
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_INVALID_FILENAME,
_("Invalid filename"));
else
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error renaming file: %s"),
g_strerror (errsv));
g_object_unref (new_file);
return NULL;
}
vfs = g_vfs_get_default ();
class = G_VFS_GET_CLASS (vfs);
if (class->local_file_moved)
class->local_file_moved (vfs, local->filename, new_local->filename);
return new_file;
}
static GFileInfo *
g_local_file_query_info (GFile *file,
const char *attributes,
GFileQueryInfoFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
GFileInfo *info;
GFileAttributeMatcher *matcher;
char *basename, *dirname;
GLocalParentFileInfo parent_info;
matcher = g_file_attribute_matcher_new (attributes);
basename = g_path_get_basename (local->filename);
dirname = g_path_get_dirname (local->filename);
_g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
g_free (dirname);
info = _g_local_file_info_get (basename, local->filename,
matcher, flags, &parent_info,
error);
_g_local_file_info_free_parent_info (&parent_info);
g_free (basename);
g_file_attribute_matcher_unref (matcher);
return info;
}
static GFileAttributeInfoList *
g_local_file_query_settable_attributes (GFile *file,
GCancellable *cancellable,
GError **error)
{
return g_file_attribute_info_list_ref (local_writable_attributes);
}
static GFileAttributeInfoList *
g_local_file_query_writable_namespaces (GFile *file,
GCancellable *cancellable,
GError **error)
{
GFileAttributeInfoList *list;
GVfsClass *class;
GVfs *vfs;
if (g_once_init_enter (&local_writable_namespaces))
{
/* Writable namespaces: */
list = g_file_attribute_info_list_new ();
#ifdef HAVE_XATTR
g_file_attribute_info_list_add (list,
"xattr",
G_FILE_ATTRIBUTE_TYPE_STRING,
G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
g_file_attribute_info_list_add (list,
"xattr-sys",
G_FILE_ATTRIBUTE_TYPE_STRING,
G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
#endif
vfs = g_vfs_get_default ();
class = G_VFS_GET_CLASS (vfs);
if (class->add_writable_namespaces)
class->add_writable_namespaces (vfs, list);
g_once_init_leave (&local_writable_namespaces, (gsize)list);
}
list = (GFileAttributeInfoList *)local_writable_namespaces;
return g_file_attribute_info_list_ref (list);
}
static gboolean
g_local_file_set_attribute (GFile *file,
const char *attribute,
GFileAttributeType type,
gpointer value_p,
GFileQueryInfoFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
return _g_local_file_info_set_attribute (local->filename,
attribute,
type,
value_p,
flags,
cancellable,
error);
}
static gboolean
g_local_file_set_attributes_from_info (GFile *file,
GFileInfo *info,
GFileQueryInfoFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
int res, chained_res;
GFileIface *default_iface;
res = _g_local_file_info_set_attributes (local->filename,
info, flags,
cancellable,
error);
if (!res)
error = NULL; /* Don't write over error if further errors */
default_iface = g_type_default_interface_peek (G_TYPE_FILE);
chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
return res && chained_res;
}
static GFileInputStream *
g_local_file_read (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
int fd, ret;
GLocalFileStat buf;
fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
if (fd == -1)
{
int errsv = errno;
#ifdef G_OS_WIN32
if (errsv == EACCES)
{
ret = _stati64 (local->filename, &buf);
if (ret == 0 && S_ISDIR (buf.st_mode))
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_IS_DIRECTORY,
_("Can't open directory"));
return NULL;
}
}
#endif
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error opening file: %s"),
g_strerror (errsv));
return NULL;
}
#ifdef G_OS_WIN32
ret = _fstati64 (fd, &buf);
#else
ret = fstat (fd, &buf);
#endif
if (ret == 0 && S_ISDIR (buf.st_mode))
{
(void) g_close (fd, NULL);
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_IS_DIRECTORY,
_("Can't open directory"));
return NULL;
}
return _g_local_file_input_stream_new (fd);
}
static GFileOutputStream *
g_local_file_append_to (GFile *file,
GFileCreateFlags flags,
GCancellable *cancellable,
GError **error)
{
return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
flags, cancellable, error);
}
static GFileOutputStream *
g_local_file_create (GFile *file,
GFileCreateFlags flags,
GCancellable *cancellable,
GError **error)
{
return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
FALSE, flags, NULL,
cancellable, error);
}
static GFileOutputStream *
g_local_file_replace (GFile *file,
const char *etag,
gboolean make_backup,
GFileCreateFlags flags,
GCancellable *cancellable,
GError **error)
{
return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
FALSE,
etag, make_backup, flags, NULL,
cancellable, error);
}
static GFileIOStream *
g_local_file_open_readwrite (GFile *file,
GCancellable *cancellable,
GError **error)
{
GFileOutputStream *output;
GFileIOStream *res;
output = _g_local_file_output_stream_open (G_LOCAL_FILE (file)->filename,
TRUE,
cancellable, error);
if (output == NULL)
return NULL;
res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
g_object_unref (output);
return res;
}
static GFileIOStream *
g_local_file_create_readwrite (GFile *file,
GFileCreateFlags flags,
GCancellable *cancellable,
GError **error)
{
GFileOutputStream *output;
GFileIOStream *res;
output = _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
TRUE, flags, NULL,
cancellable, error);
if (output == NULL)
return NULL;
res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
g_object_unref (output);
return res;
}
static GFileIOStream *
g_local_file_replace_readwrite (GFile *file,
const char *etag,
gboolean make_backup,
GFileCreateFlags flags,
GCancellable *cancellable,
GError **error)
{
GFileOutputStream *output;
GFileIOStream *res;
output = _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
TRUE,
etag, make_backup, flags, NULL,
cancellable, error);
if (output == NULL)
return NULL;
res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
g_object_unref (output);
return res;
}
static gboolean
g_local_file_delete (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
GVfsClass *class;
GVfs *vfs;
if (g_remove (local->filename) == -1)
{
int errsv = errno;
/* Posix allows EEXIST too, but the more sane error
is G_IO_ERROR_NOT_FOUND, and it's what nautilus
expects */
if (errsv == EEXIST)
errsv = ENOTEMPTY;
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error removing file: %s"),
g_strerror (errsv));
return FALSE;
}
vfs = g_vfs_get_default ();
class = G_VFS_GET_CLASS (vfs);
if (class->local_file_removed)
class->local_file_removed (vfs, local->filename);
return TRUE;
}
#ifndef G_OS_WIN32
static char *
strip_trailing_slashes (const char *path)
{
char *path_copy;
int len;
path_copy = g_strdup (path);
len = strlen (path_copy);
while (len > 1 && path_copy[len-1] == '/')
path_copy[--len] = 0;
return path_copy;
}
static char *
expand_symlink (const char *link)
{
char *resolved, *canonical, *parent, *link2;
char symlink_value[4096];
#ifdef G_OS_WIN32
#else
ssize_t res;
#endif
#ifdef G_OS_WIN32
#else
res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
if (res == -1)
return g_strdup (link);
symlink_value[res] = 0;
#endif
if (g_path_is_absolute (symlink_value))
return canonicalize_filename (symlink_value);
else
{
link2 = strip_trailing_slashes (link);
parent = g_path_get_dirname (link2);
g_free (link2);
resolved = g_build_filename (parent, symlink_value, NULL);
g_free (parent);
canonical = canonicalize_filename (resolved);
g_free (resolved);
return canonical;
}
}
static char *
get_parent (const char *path,
dev_t *parent_dev)
{
char *parent, *tmp;
GStatBuf parent_stat;
int num_recursions;
char *path_copy;
path_copy = strip_trailing_slashes (path);
parent = g_path_get_dirname (path_copy);
if (strcmp (parent, ".") == 0 ||
strcmp (parent, path_copy) == 0)
{
g_free (parent);
g_free (path_copy);
return NULL;
}
g_free (path_copy);
num_recursions = 0;
do {
if (g_lstat (parent, &parent_stat) != 0)
{
g_free (parent);
return NULL;
}
if (S_ISLNK (parent_stat.st_mode))
{
tmp = parent;
parent = expand_symlink (parent);
g_free (tmp);
}
num_recursions++;
if (num_recursions > 12)
{
g_free (parent);
return NULL;
}
} while (S_ISLNK (parent_stat.st_mode));
*parent_dev = parent_stat.st_dev;
return parent;
}
static char *
expand_all_symlinks (const char *path)
{
char *parent, *parent_expanded;
char *basename, *res;
dev_t parent_dev;
parent = get_parent (path, &parent_dev);
if (parent)
{
parent_expanded = expand_all_symlinks (parent);
g_free (parent);
basename = g_path_get_basename (path);
res = g_build_filename (parent_expanded, basename, NULL);
g_free (basename);
g_free (parent_expanded);
}
else
res = g_strdup (path);
return res;
}
static char *
find_mountpoint_for (const char *file,
dev_t dev)
{
char *dir, *parent;
dev_t dir_dev, parent_dev;
dir = g_strdup (file);
dir_dev = dev;
while (1)
{
parent = get_parent (dir, &parent_dev);
if (parent == NULL)
return dir;
if (parent_dev != dir_dev)
{
g_free (parent);
return dir;
}
g_free (dir);
dir = parent;
}
}
static char *
find_topdir_for (const char *file)
{
char *dir;
dev_t dir_dev;
dir = get_parent (file, &dir_dev);
if (dir == NULL)
return NULL;
return find_mountpoint_for (dir, dir_dev);
}
static char *
get_unique_filename (const char *basename,
int id)
{
const char *dot;
if (id == 1)
return g_strdup (basename);
dot = strchr (basename, '.');
if (dot)
return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
else
return g_strdup_printf ("%s.%d", basename, id);
}
static gboolean
path_has_prefix (const char *path,
const char *prefix)
{
int prefix_len;
if (prefix == NULL)
return TRUE;
prefix_len = strlen (prefix);
if (strncmp (path, prefix, prefix_len) == 0 &&
(prefix_len == 0 || /* empty prefix always matches */
prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
path[prefix_len] == 0 ||
path[prefix_len] == '/'))
return TRUE;
return FALSE;
}
static char *
try_make_relative (const char *path,
const char *base)
{
char *path2, *base2;
char *relative;
path2 = expand_all_symlinks (path);
base2 = expand_all_symlinks (base);
relative = NULL;
if (path_has_prefix (path2, base2))
{
relative = path2 + strlen (base2);
while (*relative == '/')
relative ++;
relative = g_strdup (relative);
}
g_free (path2);
g_free (base2);
if (relative)
return relative;
/* Failed, use abs path */
return g_strdup (path);
}
gboolean
_g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
{
static gsize home_dev_set = 0;
static dev_t home_dev;
char *topdir, *globaldir, *trashdir, *tmpname;
uid_t uid;
char uid_str[32];
GStatBuf global_stat, trash_stat;
gboolean res;
if (g_once_init_enter (&home_dev_set))
{
GStatBuf home_stat;
g_stat (g_get_home_dir (), &home_stat);
home_dev = home_stat.st_dev;
g_once_init_leave (&home_dev_set, 1);
}
/* Assume we can trash to the home */
if (dir_dev == home_dev)
return TRUE;
topdir = find_mountpoint_for (dirname, dir_dev);
if (topdir == NULL)
return FALSE;
globaldir = g_build_filename (topdir, ".Trash", NULL);
if (g_lstat (globaldir, &global_stat) == 0 &&
S_ISDIR (global_stat.st_mode) &&
(global_stat.st_mode & S_ISVTX) != 0)
{
/* got a toplevel sysadmin created dir, assume we
* can trash to it (we should be able to create a dir)
* This fails for the FAT case where the ownership of
* that dir would be wrong though..
*/
g_free (globaldir);
g_free (topdir);
return TRUE;
}
g_free (globaldir);
/* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
uid = geteuid ();
g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long) uid);
tmpname = g_strdup_printf (".Trash-%s", uid_str);
trashdir = g_build_filename (topdir, tmpname, NULL);
g_free (tmpname);
if (g_lstat (trashdir, &trash_stat) == 0)
{
g_free (topdir);
g_free (trashdir);
return S_ISDIR (trash_stat.st_mode) &&
trash_stat.st_uid == uid;
}
g_free (trashdir);
/* User specific trash didn't exist, can we create it? */
res = g_access (topdir, W_OK) == 0;
g_free (topdir);
return res;
}
#ifdef G_OS_UNIX
gboolean
_g_local_file_is_lost_found_dir (const char *path, dev_t path_dev)
{
gboolean ret = FALSE;
gchar *mount_dir = NULL;
size_t mount_dir_len;
GStatBuf statbuf;
if (!g_str_has_suffix (path, "/lost+found"))
goto out;
mount_dir = find_mountpoint_for (path, path_dev);
if (mount_dir == NULL)
goto out;
mount_dir_len = strlen (mount_dir);
/* We special-case rootfs ('/') since it's the only case where
* mount_dir ends in '/'
*/
if (mount_dir_len == 1)
mount_dir_len--;
if (mount_dir_len + strlen ("/lost+found") != strlen (path))
goto out;
if (g_lstat (path, &statbuf) != 0)
goto out;
if (!(S_ISDIR (statbuf.st_mode) &&
statbuf.st_uid == 0 &&
statbuf.st_gid == 0))
goto out;
ret = TRUE;
out:
g_free (mount_dir);
return ret;
}
#endif
static gboolean
g_local_file_trash (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
GStatBuf file_stat, home_stat;
const char *homedir;
char *trashdir, *topdir, *infodir, *filesdir;
char *basename, *trashname, *trashfile, *infoname, *infofile;
char *original_name, *original_name_escaped;
int i;
char *data;
gboolean is_homedir_trash;
char delete_time[32];
int fd;
GStatBuf trash_stat, global_stat;
char *dirname, *globaldir;
GVfsClass *class;
GVfs *vfs;
if (g_lstat (local->filename, &file_stat) != 0)
{
int errsv = errno;
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error trashing file: %s"),
g_strerror (errsv));
return FALSE;
}
homedir = g_get_home_dir ();
g_stat (homedir, &home_stat);
is_homedir_trash = FALSE;
trashdir = NULL;
if (file_stat.st_dev == home_stat.st_dev)
{
is_homedir_trash = TRUE;
errno = 0;
trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
if (g_mkdir_with_parents (trashdir, 0700) < 0)
{
char *display_name;
int errsv = errno;
display_name = g_filename_display_name (trashdir);
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Unable to create trash dir %s: %s"),
display_name, g_strerror (errsv));
g_free (display_name);
g_free (trashdir);
return FALSE;
}
topdir = g_strdup (g_get_user_data_dir ());
}
else
{
uid_t uid;
char uid_str[32];
uid = geteuid ();
g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
topdir = find_topdir_for (local->filename);
if (topdir == NULL)
{
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Unable to find toplevel directory for trash"));
return FALSE;
}
/* Try looking for global trash dir $topdir/.Trash/$uid */
globaldir = g_build_filename (topdir, ".Trash", NULL);
if (g_lstat (globaldir, &global_stat) == 0 &&
S_ISDIR (global_stat.st_mode) &&
(global_stat.st_mode & S_ISVTX) != 0)
{
trashdir = g_build_filename (globaldir, uid_str, NULL);
if (g_lstat (trashdir, &trash_stat) == 0)
{
if (!S_ISDIR (trash_stat.st_mode) ||
trash_stat.st_uid != uid)
{
/* Not a directory or not owned by user, ignore */
g_free (trashdir);
trashdir = NULL;
}
}
else if (g_mkdir (trashdir, 0700) == -1)
{
g_free (trashdir);
trashdir = NULL;
}
}
g_free (globaldir);
if (trashdir == NULL)
{
gboolean tried_create;
/* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
dirname = g_strdup_printf (".Trash-%s", uid_str);
trashdir = g_build_filename (topdir, dirname, NULL);
g_free (dirname);
tried_create = FALSE;
retry:
if (g_lstat (trashdir, &trash_stat) == 0)
{
if (!S_ISDIR (trash_stat.st_mode) ||
trash_stat.st_uid != uid)
{
/* Remove the failed directory */
if (tried_create)
g_remove (trashdir);
/* Not a directory or not owned by user, ignore */
g_free (trashdir);
trashdir = NULL;
}
}
else
{
if (!tried_create &&
g_mkdir (trashdir, 0700) != -1)
{
/* Ensure that the created dir has the right uid etc.
This might fail on e.g. a FAT dir */
tried_create = TRUE;
goto retry;
}
else
{
g_free (trashdir);
trashdir = NULL;
}
}
}
if (trashdir == NULL)
{
g_free (topdir);
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Unable to find or create trash directory"));
return FALSE;
}
}
/* Trashdir points to the trash dir with the "info" and "files" subdirectories */
infodir = g_build_filename (trashdir, "info", NULL);
filesdir = g_build_filename (trashdir, "files", NULL);
g_free (trashdir);
/* Make sure we have the subdirectories */
if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
(g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
{
g_free (topdir);
g_free (infodir);
g_free (filesdir);
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Unable to find or create trash directory"));
return FALSE;
}
basename = g_path_get_basename (local->filename);
i = 1;
trashname = NULL;
infofile = NULL;
do {
g_free (trashname);
g_free (infofile);
trashname = get_unique_filename (basename, i++);
infoname = g_strconcat (trashname, ".trashinfo", NULL);
infofile = g_build_filename (infodir, infoname, NULL);
g_free (infoname);
fd = g_open (infofile, O_CREAT | O_EXCL, 0666);
} while (fd == -1 && errno == EEXIST);
g_free (basename);
g_free (infodir);
if (fd == -1)
{
int errsv = errno;
g_free (filesdir);
g_free (topdir);
g_free (trashname);
g_free (infofile);
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Unable to create trashing info file: %s"),
g_strerror (errsv));
return FALSE;
}
(void) g_close (fd, NULL);
/* TODO: Maybe we should verify that you can delete the file from the trash
before moving it? OTOH, that is hard, as it needs a recursive scan */
trashfile = g_build_filename (filesdir, trashname, NULL);
g_free (filesdir);
if (g_rename (local->filename, trashfile) == -1)
{
int errsv = errno;
g_free (topdir);
g_free (trashname);
g_free (infofile);
g_free (trashfile);
if (errsv == EXDEV)
/* The trash dir was actually on another fs anyway!?
This can happen when the same device is mounted multiple
times, or with bind mounts of the same fs. */
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Unable to trash file: %s"),
g_strerror (errsv));
else
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Unable to trash file: %s"),
g_strerror (errsv));
return FALSE;
}
vfs = g_vfs_get_default ();
class = G_VFS_GET_CLASS (vfs);
if (class->local_file_moved)
class->local_file_moved (vfs, local->filename, trashfile);
g_free (trashfile);
/* TODO: Do we need to update mtime/atime here after the move? */
/* Use absolute names for homedir */
if (is_homedir_trash)
original_name = g_strdup (local->filename);
else
original_name = try_make_relative (local->filename, topdir);
original_name_escaped = g_uri_escape_string (original_name, "/", FALSE);
g_free (original_name);
g_free (topdir);
{
time_t t;
struct tm now;
t = time (NULL);
localtime_r (&t, &now);
delete_time[0] = 0;
strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
}
data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
original_name_escaped, delete_time);
g_file_set_contents (infofile, data, -1, NULL);
g_free (infofile);
g_free (data);
g_free (original_name_escaped);
g_free (trashname);
return TRUE;
}
#else /* G_OS_WIN32 */
gboolean
_g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
{
return FALSE; /* XXX ??? */
}
static gboolean
g_local_file_trash (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
SHFILEOPSTRUCTW op = {0};
gboolean success;
wchar_t *wfilename;
long len;
wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
/* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
wfilename = g_renew (wchar_t, wfilename, len + 2);
wfilename[len + 1] = 0;
op.wFunc = FO_DELETE;
op.pFrom = wfilename;
op.fFlags = FOF_ALLOWUNDO;
success = SHFileOperationW (&op) == 0;
if (success && op.fAnyOperationsAborted)
{
if (cancellable && !g_cancellable_is_cancelled (cancellable))
g_cancellable_cancel (cancellable);
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_CANCELLED,
_("Unable to trash file: %s"),
_("Operation was cancelled"));
success = FALSE;
}
else if (!success)
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_FAILED,
_("Unable to trash file: %s"),
_("internal error"));
g_free (wfilename);
return success;
}
#endif /* G_OS_WIN32 */
static gboolean
g_local_file_make_directory (GFile *file,
GCancellable *cancellable,
GError **error)
{
GLocalFile *local = G_LOCAL_FILE (file);
if (g_mkdir (local->filename, 0777) == -1)
{
int errsv = errno;
if (errsv == EINVAL)
/* This must be an invalid filename, on e.g. FAT */
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_INVALID_FILENAME,
_("Invalid filename"));
else
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error creating directory: %s"),
g_strerror (errsv));
return FALSE;
}
return TRUE;
}
static gboolean
g_local_file_make_symbolic_link (GFile *file,
const char *symlink_value,
GCancellable *cancellable,
GError **error)
{
#ifdef HAVE_SYMLINK
GLocalFile *local = G_LOCAL_FILE (file);
if (symlink (symlink_value, local->filename) == -1)
{
int errsv = errno;
if (errsv == EINVAL)
/* This must be an invalid filename, on e.g. FAT */
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_INVALID_FILENAME,
_("Invalid filename"));
else if (errsv == EPERM)
g_set_error (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Filesystem does not support symbolic links"));
else
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error making symbolic link: %s"),
g_strerror (errsv));
return FALSE;
}
return TRUE;
#else
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Symlinks not supported");
return FALSE;
#endif
}
static gboolean
g_local_file_copy (GFile *source,
GFile *destination,
GFileCopyFlags flags,
GCancellable *cancellable,
GFileProgressCallback progress_callback,
gpointer progress_callback_data,
GError **error)
{
/* Fall back to default copy */
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
return FALSE;
}
static gboolean
g_local_file_move (GFile *source,
GFile *destination,
GFileCopyFlags flags,
GCancellable *cancellable,
GFileProgressCallback progress_callback,
gpointer progress_callback_data,
GError **error)
{
GLocalFile *local_source, *local_destination;
GStatBuf statbuf;
gboolean destination_exist, source_is_dir;
char *backup_name;
int res;
off_t source_size;
GVfsClass *class;
GVfs *vfs;
if (!G_IS_LOCAL_FILE (source) ||
!G_IS_LOCAL_FILE (destination))
{
/* Fall back to default move */
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
return FALSE;
}
local_source = G_LOCAL_FILE (source);
local_destination = G_LOCAL_FILE (destination);
res = g_lstat (local_source->filename, &statbuf);
if (res == -1)
{
int errsv = errno;
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error moving file: %s"),
g_strerror (errsv));
return FALSE;
}
source_is_dir = S_ISDIR (statbuf.st_mode);
source_size = statbuf.st_size;
destination_exist = FALSE;
res = g_lstat (local_destination->filename, &statbuf);
if (res == 0)
{
destination_exist = TRUE; /* Target file exists */
if (flags & G_FILE_COPY_OVERWRITE)
{
/* Always fail on dirs, even with overwrite */
if (S_ISDIR (statbuf.st_mode))
{
if (source_is_dir)
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_WOULD_MERGE,
_("Can't move directory over directory"));
else
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_IS_DIRECTORY,
_("Can't copy over directory"));
return FALSE;
}
}
else
{
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_EXISTS,
_("Target file exists"));
return FALSE;
}
}
if (flags & G_FILE_COPY_BACKUP && destination_exist)
{
backup_name = g_strconcat (local_destination->filename, "~", NULL);
if (g_rename (local_destination->filename, backup_name) == -1)
{
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_CANT_CREATE_BACKUP,
_("Backup file creation failed"));
g_free (backup_name);
return FALSE;
}
g_free (backup_name);
destination_exist = FALSE; /* It did, but no more */
}
if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
{
/* Source is a dir, destination exists (and is not a dir, because that would have failed
earlier), and we're overwriting. Manually remove the target so we can do the rename. */
res = g_unlink (local_destination->filename);
if (res == -1)
{
int errsv = errno;
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error removing target file: %s"),
g_strerror (errsv));
return FALSE;
}
}
if (g_rename (local_source->filename, local_destination->filename) == -1)
{
int errsv = errno;
if (errsv == EXDEV)
/* This will cause the fallback code to run */
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("Move between mounts not supported"));
else if (errsv == EINVAL)
/* This must be an invalid filename, on e.g. FAT, or
we're trying to move the file into itself...
We return invalid filename for both... */
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_INVALID_FILENAME,
_("Invalid filename"));
else
g_set_error (error, G_IO_ERROR,
g_io_error_from_errno (errsv),
_("Error moving file: %s"),
g_strerror (errsv));
return FALSE;
}
vfs = g_vfs_get_default ();
class = G_VFS_GET_CLASS (vfs);
if (class->local_file_moved)
class->local_file_moved (vfs, local_source->filename, local_destination->filename);
/* Make sure we send full copied size */
if (progress_callback)
progress_callback (source_size, source_size, progress_callback_data);
return TRUE;
}
#ifdef G_OS_WIN32
static gboolean
is_remote (const gchar *filename)
{
return FALSE;
}
#else
static gboolean
is_remote_fs (const gchar *filename)
{
const char *fsname = NULL;
#ifdef USE_STATFS
struct statfs statfs_buffer;
int statfs_result = 0;
#if STATFS_ARGS == 2
statfs_result = statfs (filename, &statfs_buffer);
#elif STATFS_ARGS == 4
statfs_result = statfs (filename, &statfs_buffer, sizeof (statfs_buffer), 0);
#endif
#elif defined(USE_STATVFS)
struct statvfs statfs_buffer;
int statfs_result = 0;
statfs_result = statvfs (filename, &statfs_buffer);
#else
return FALSE;
#endif
if (statfs_result == -1)
return FALSE;
#ifdef USE_STATFS
#if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
fsname = statfs_buffer.f_fstypename;
#else
fsname = get_fs_type (statfs_buffer.f_type);
#endif
#elif defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
fsname = statfs_buffer.f_basetype;
#endif
if (fsname != NULL)
{
if (strcmp (fsname, "nfs") == 0)
return TRUE;
if (strcmp (fsname, "nfs4") == 0)
return TRUE;
}
return FALSE;
}
static gboolean
is_remote (const gchar *filename)
{
static gboolean remote_home;
static gsize initialized;
const gchar *home;
home = g_get_home_dir ();
if (path_has_prefix (filename, home))
{
if (g_once_init_enter (&initialized))
{
remote_home = is_remote_fs (home);
g_once_init_leave (&initialized, TRUE);
}
return remote_home;
}
return FALSE;
}
#endif /* !G_OS_WIN32 */
static GFileMonitor*
g_local_file_monitor_dir (GFile *file,
GFileMonitorFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile* local_file = G_LOCAL_FILE(file);
return _g_local_directory_monitor_new (local_file->filename, flags, is_remote (local_file->filename), error);
}
static GFileMonitor*
g_local_file_monitor_file (GFile *file,
GFileMonitorFlags flags,
GCancellable *cancellable,
GError **error)
{
GLocalFile* local_file = G_LOCAL_FILE(file);
return _g_local_file_monitor_new (local_file->filename, flags, is_remote (local_file->filename), error);
}
/* Here is the GLocalFile implementation of g_file_measure_disk_usage().
*
* If available, we use fopenat() in preference to filenames for
* efficiency and safety reasons. We know that fopenat() is available
* based on if AT_FDCWD is defined. POSIX guarantees that this will be
* defined as a macro.
*
* We use a linked list of stack-allocated GSList nodes in order to be
* able to reconstruct the filename for error messages. We actually
* pass the filename to operate on through the top node of the list.
*
* In case we're using openat(), this top filename will be a basename
* which should be opened in the directory which has also had its fd
* passed along. If we're not using openat() then it will be a full
* absolute filename.
*/
static gboolean
g_local_file_measure_size_error (GFileMeasureFlags flags,
gint saved_errno,
GSList *name,
GError **error)
{
/* Only report an error if we were at the toplevel or if the caller
* requested reporting of all errors.
*/
if ((name->next == NULL) || (flags & G_FILE_MEASURE_REPORT_ANY_ERROR))
{
GString *filename;
GSList *node;
/* Skip some work if there is no error return */
if (!error)
return FALSE;
#ifdef AT_FDCWD
/* If using openat() we need to rebuild the filename for the message */
filename = g_string_new (name->data);
for (node = name->next; node; node = node->next)
{
gchar *utf8;
g_string_prepend_c (filename, G_DIR_SEPARATOR);
utf8 = g_filename_display_name (node->data);
g_string_prepend (filename, utf8);
g_free (utf8);
}
#else
{
gchar *utf8;
/* Otherwise, we already have it, so just use it. */
node = name;
filename = g_string_new (NULL);
utf8 = g_filename_display_name (node->data);
g_string_append (filename, utf8);
g_free (utf8);
}
#endif
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (saved_errno),
_("Could not determine the disk usage of %s: %s"),
filename->str, g_strerror (saved_errno));
g_string_free (filename, TRUE);
return FALSE;
}
else
/* We're not reporting this error... */
return TRUE;
}
typedef struct
{
GFileMeasureFlags flags;
dev_t contained_on;
GCancellable *cancellable;
GFileMeasureProgressCallback progress_callback;
gpointer progress_data;
guint64 disk_usage;
guint64 num_dirs;
guint64 num_files;
guint64 last_progress_report;
} MeasureState;
static gboolean
g_local_file_measure_size_of_contents (gint fd,
GSList *dir_name,
MeasureState *state,
GError **error);
static gboolean
g_local_file_measure_size_of_file (gint parent_fd,
GSList *name,
MeasureState *state,
GError **error)
{
struct stat buf;
if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
return FALSE;
#if defined (AT_FDCWD)
if (fstatat (parent_fd, name->data, &buf, AT_SYMLINK_NOFOLLOW) != 0)
#else
if (g_lstat (name->data, &buf) != 0)
#endif
return g_local_file_measure_size_error (state->flags, errno, name, error);
if (name->next)
{
/* If not at the toplevel, check for a device boundary. */
if (state->flags & G_FILE_MEASURE_NO_XDEV)
if (state->contained_on != buf.st_dev)
return TRUE;
}
else
{
/* If, however, this is the toplevel, set the device number so
* that recursive invocations can compare against it.
*/
state->contained_on = buf.st_dev;
}
#if defined (HAVE_STRUCT_STAT_ST_BLOCKS)
if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
state->disk_usage += buf.st_blocks * G_GUINT64_CONSTANT (512);
else
#endif
state->disk_usage += buf.st_size;
if (S_ISDIR (buf.st_mode))
state->num_dirs++;
else
state->num_files++;
if (state->progress_callback)
{
/* We could attempt to do some cleverness here in order to avoid
* calling clock_gettime() so much, but we're doing stats and opens
* all over the place already...
*/
if (state->last_progress_report)
{
guint64 now;
now = g_get_monotonic_time ();
if (state->last_progress_report + 200 * G_TIME_SPAN_MILLISECOND < now)
{
(* state->progress_callback) (TRUE,
state->disk_usage, state->num_dirs, state->num_files,
state->progress_data);
state->last_progress_report = now;
}
}
else
{
/* We must do an initial report to inform that more reports
* will be coming.
*/
(* state->progress_callback) (TRUE, 0, 0, 0, state->progress_data);
state->last_progress_report = g_get_monotonic_time ();
}
}
if (S_ISDIR (buf.st_mode))
{
int dir_fd = -1;
if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
return FALSE;
#ifdef AT_FDCWD
dir_fd = openat (parent_fd, name->data, O_RDONLY | O_DIRECTORY);
if (dir_fd < 0)
return g_local_file_measure_size_error (state->flags, errno, name, error);
#endif
if (!g_local_file_measure_size_of_contents (dir_fd, name, state, error))
return FALSE;
}
return TRUE;
}
static gboolean
g_local_file_measure_size_of_contents (gint fd,
GSList *dir_name,
MeasureState *state,
GError **error)
{
gboolean success = TRUE;
const gchar *name;
GDir *dir;
#ifdef AT_FDCWD
{
/* If this fails, we want to preserve the errno from fopendir() */
DIR *dirp;
dirp = fdopendir (fd);
dir = dirp ? GLIB_PRIVATE_CALL(g_dir_new_from_dirp) (dirp) : NULL;
}
#else
dir = GLIB_PRIVATE_CALL(g_dir_open_with_errno) (dir_name->data, 0);
#endif
if (dir == NULL)
{
gint saved_errno = errno;
#ifdef AT_FDCWD
close (fd);
#endif
return g_local_file_measure_size_error (state->flags, saved_errno, dir_name, error);
}
while (success && (name = g_dir_read_name (dir)))
{
GSList node;
node.next = dir_name;
#ifdef AT_FDCWD
node.data = (gchar *) name;
#else
node.data = g_build_filename (dir_name->data, name, NULL);
#endif
success = g_local_file_measure_size_of_file (fd, &node, state, error);
#ifndef AT_FDCWD
g_free (node.data);
#endif
}
g_dir_close (dir);
return success;
}
static gboolean
g_local_file_measure_disk_usage (GFile *file,
GFileMeasureFlags flags,
GCancellable *cancellable,
GFileMeasureProgressCallback progress_callback,
gpointer progress_data,
guint64 *disk_usage,
guint64 *num_dirs,
guint64 *num_files,
GError **error)
{
GLocalFile *local_file = G_LOCAL_FILE (file);
MeasureState state = { 0, };
gint root_fd = -1;
GSList node;
state.flags = flags;
state.cancellable = cancellable;
state.progress_callback = progress_callback;
state.progress_data = progress_data;
#ifdef AT_FDCWD
root_fd = AT_FDCWD;
#endif
node.data = local_file->filename;
node.next = NULL;
if (!g_local_file_measure_size_of_file (root_fd, &node, &state, error))
return FALSE;
if (disk_usage)
*disk_usage = state.disk_usage;
if (num_dirs)
*num_dirs = state.num_dirs;
if (num_files)
*num_files = state.num_files;
return TRUE;
}
static void
g_local_file_file_iface_init (GFileIface *iface)
{
iface->dup = g_local_file_dup;
iface->hash = g_local_file_hash;
iface->equal = g_local_file_equal;
iface->is_native = g_local_file_is_native;
iface->has_uri_scheme = g_local_file_has_uri_scheme;
iface->get_uri_scheme = g_local_file_get_uri_scheme;
iface->get_basename = g_local_file_get_basename;
iface->get_path = g_local_file_get_path;
iface->get_uri = g_local_file_get_uri;
iface->get_parse_name = g_local_file_get_parse_name;
iface->get_parent = g_local_file_get_parent;
iface->prefix_matches = g_local_file_prefix_matches;
iface->get_relative_path = g_local_file_get_relative_path;
iface->resolve_relative_path = g_local_file_resolve_relative_path;
iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
iface->set_display_name = g_local_file_set_display_name;
iface->enumerate_children = g_local_file_enumerate_children;
iface->query_info = g_local_file_query_info;
iface->query_filesystem_info = g_local_file_query_filesystem_info;
iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
iface->query_settable_attributes = g_local_file_query_settable_attributes;
iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
iface->set_attribute = g_local_file_set_attribute;
iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
iface->read_fn = g_local_file_read;
iface->append_to = g_local_file_append_to;
iface->create = g_local_file_create;
iface->replace = g_local_file_replace;
iface->open_readwrite = g_local_file_open_readwrite;
iface->create_readwrite = g_local_file_create_readwrite;
iface->replace_readwrite = g_local_file_replace_readwrite;
iface->delete_file = g_local_file_delete;
iface->trash = g_local_file_trash;
iface->make_directory = g_local_file_make_directory;
iface->make_symbolic_link = g_local_file_make_symbolic_link;
iface->copy = g_local_file_copy;
iface->move = g_local_file_move;
iface->monitor_dir = g_local_file_monitor_dir;
iface->monitor_file = g_local_file_monitor_file;
iface->measure_disk_usage = g_local_file_measure_disk_usage;
iface->supports_thread_contexts = TRUE;
}
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