1/* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Alexander Larsson <alexl@redhat.com>
19 */
20
21#include "config.h"
22
23#include <sys/types.h>
24#include <sys/stat.h>
25#include <string.h>
26#include <errno.h>
27#include <fcntl.h>
28#if G_OS_UNIX
29#include <dirent.h>
30#include <unistd.h>
31#endif
32
33#if HAVE_SYS_STATFS_H
34#include <sys/statfs.h>
35#endif
36#if HAVE_SYS_STATVFS_H
37#include <sys/statvfs.h>
38#endif
39#if HAVE_SYS_VFS_H
40#include <sys/vfs.h>
41#elif HAVE_SYS_MOUNT_H
42#if HAVE_SYS_PARAM_H
43#include <sys/param.h>
44#endif
45#include <sys/mount.h>
46#endif
47
48#ifndef O_BINARY
49#define O_BINARY 0
50#endif
51
52#include "gfileattribute.h"
53#include "glocalfile.h"
54#include "glocalfileinfo.h"
55#include "glocalfileenumerator.h"
56#include "glocalfileinputstream.h"
57#include "glocalfileoutputstream.h"
58#include "glocalfileiostream.h"
59#include "glocalfilemonitor.h"
60#include "gmountprivate.h"
61#include "gunixmounts.h"
62#include "gioerror.h"
63#include <glib/gstdio.h>
64#include <glib/gstdioprivate.h>
65#include "glibintl.h"
66#ifdef G_OS_UNIX
67#include "glib-unix.h"
68#include "gportalsupport.h"
69#include "gtrashportal.h"
70#endif
71
72#include "glib-private.h"
73
74#ifdef G_OS_WIN32
75#include <windows.h>
76#include <io.h>
77#include <direct.h>
78
79#ifndef FILE_READ_ONLY_VOLUME
80#define FILE_READ_ONLY_VOLUME 0x00080000
81#endif
82
83#ifndef S_ISDIR
84#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
85#endif
86#ifndef S_ISLNK
87#define S_ISLNK(m) (0)
88#endif
89
90#ifndef ECANCELED
91#define ECANCELED 105
92#endif
93#endif
94
95
96static void g_local_file_file_iface_init (GFileIface *iface);
97
98static GFileAttributeInfoList *local_writable_attributes = NULL;
99static /* GFileAttributeInfoList * */ gsize local_writable_namespaces = 0;
100
101struct _GLocalFile
102{
103 GObject parent_instance;
104
105 char *filename;
106};
107
108#define g_local_file_get_type _g_local_file_get_type
109G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
110 G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
111 g_local_file_file_iface_init))
112
113static char *find_mountpoint_for (const char *file, dev_t dev, gboolean resolve_basename_symlink);
114
115#ifndef G_OS_WIN32
116static gboolean is_remote_fs_type (const gchar *fsname);
117#endif
118
119static void
120g_local_file_finalize (GObject *object)
121{
122 GLocalFile *local;
123
124 local = G_LOCAL_FILE (object);
125
126 g_free (mem: local->filename);
127
128 G_OBJECT_CLASS (g_local_file_parent_class)->finalize (object);
129}
130
131static void
132g_local_file_class_init (GLocalFileClass *klass)
133{
134 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
135 GFileAttributeInfoList *list;
136
137 gobject_class->finalize = g_local_file_finalize;
138
139 /* Set up attribute lists */
140
141 /* Writable attributes: */
142
143 list = g_file_attribute_info_list_new ();
144
145 g_file_attribute_info_list_add (list,
146 G_FILE_ATTRIBUTE_UNIX_MODE,
147 type: G_FILE_ATTRIBUTE_TYPE_UINT32,
148 flags: G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
149 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
150
151#ifdef G_OS_UNIX
152 g_file_attribute_info_list_add (list,
153 G_FILE_ATTRIBUTE_UNIX_UID,
154 type: G_FILE_ATTRIBUTE_TYPE_UINT32,
155 flags: G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
156 g_file_attribute_info_list_add (list,
157 G_FILE_ATTRIBUTE_UNIX_GID,
158 type: G_FILE_ATTRIBUTE_TYPE_UINT32,
159 flags: G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
160#endif
161
162#ifdef HAVE_SYMLINK
163 g_file_attribute_info_list_add (list,
164 G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
165 type: G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
166 flags: 0);
167#endif
168
169#ifdef HAVE_UTIMES
170 g_file_attribute_info_list_add (list,
171 G_FILE_ATTRIBUTE_TIME_MODIFIED,
172 type: G_FILE_ATTRIBUTE_TYPE_UINT64,
173 flags: G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
174 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
175 g_file_attribute_info_list_add (list,
176 G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
177 type: G_FILE_ATTRIBUTE_TYPE_UINT32,
178 flags: G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
179 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
180 /* When copying, the target file is accessed. Replicating
181 * the source access time does not make sense in this case.
182 */
183 g_file_attribute_info_list_add (list,
184 G_FILE_ATTRIBUTE_TIME_ACCESS,
185 type: G_FILE_ATTRIBUTE_TYPE_UINT64,
186 flags: G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
187 g_file_attribute_info_list_add (list,
188 G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
189 type: G_FILE_ATTRIBUTE_TYPE_UINT32,
190 flags: G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
191#endif
192
193 local_writable_attributes = list;
194}
195
196static void
197g_local_file_init (GLocalFile *local)
198{
199}
200
201const char *
202_g_local_file_get_filename (GLocalFile *file)
203{
204 return file->filename;
205}
206
207GFile *
208_g_local_file_new (const char *filename)
209{
210 GLocalFile *local;
211
212 local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
213 local->filename = g_canonicalize_filename (filename, NULL);
214
215 return G_FILE (local);
216}
217
218/*< internal >
219 * g_local_file_new_from_dirname_and_basename:
220 * @dirname: an absolute, canonical directory name
221 * @basename: the name of a child inside @dirname
222 *
223 * Creates a #GFile from @dirname and @basename.
224 *
225 * This is more efficient than pasting the fields together for yourself
226 * and creating a #GFile from the result, and also more efficient than
227 * creating a #GFile for the dirname and using g_file_get_child().
228 *
229 * @dirname must be canonical, as per GLocalFile's opinion of what
230 * canonical means. This means that you should only pass strings that
231 * were returned by _g_local_file_get_filename().
232 *
233 * Returns: a #GFile
234 */
235GFile *
236g_local_file_new_from_dirname_and_basename (const gchar *dirname,
237 const gchar *basename)
238{
239 GLocalFile *local;
240
241 g_return_val_if_fail (dirname != NULL, NULL);
242 g_return_val_if_fail (basename && basename[0] && !strchr (basename, '/'), NULL);
243
244 local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
245 local->filename = g_build_filename (first_element: dirname, basename, NULL);
246
247 return G_FILE (local);
248}
249
250static gboolean
251g_local_file_is_native (GFile *file)
252{
253 return TRUE;
254}
255
256static gboolean
257g_local_file_has_uri_scheme (GFile *file,
258 const char *uri_scheme)
259{
260 return g_ascii_strcasecmp (s1: uri_scheme, s2: "file") == 0;
261}
262
263static char *
264g_local_file_get_uri_scheme (GFile *file)
265{
266 return g_strdup (str: "file");
267}
268
269static char *
270g_local_file_get_basename (GFile *file)
271{
272 return g_path_get_basename (G_LOCAL_FILE (file)->filename);
273}
274
275static char *
276g_local_file_get_path (GFile *file)
277{
278 return g_strdup (G_LOCAL_FILE (file)->filename);
279}
280
281static char *
282g_local_file_get_uri (GFile *file)
283{
284 return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
285}
286
287static gboolean
288get_filename_charset (const gchar **filename_charset)
289{
290 const gchar **charsets;
291 gboolean is_utf8;
292
293 is_utf8 = g_get_filename_charsets (filename_charsets: &charsets);
294
295 if (filename_charset)
296 *filename_charset = charsets[0];
297
298 return is_utf8;
299}
300
301static gboolean
302name_is_valid_for_display (const char *string,
303 gboolean is_valid_utf8)
304{
305 char c;
306
307 if (!is_valid_utf8 &&
308 !g_utf8_validate (str: string, max_len: -1, NULL))
309 return FALSE;
310
311 while ((c = *string++) != 0)
312 {
313 if (g_ascii_iscntrl (c))
314 return FALSE;
315 }
316
317 return TRUE;
318}
319
320static char *
321g_local_file_get_parse_name (GFile *file)
322{
323 const char *filename;
324 char *parse_name;
325 const gchar *charset;
326 char *utf8_filename;
327 char *roundtripped_filename;
328 gboolean free_utf8_filename;
329 gboolean is_valid_utf8;
330 char *escaped_path;
331
332 filename = G_LOCAL_FILE (file)->filename;
333 if (get_filename_charset (filename_charset: &charset))
334 {
335 utf8_filename = (char *)filename;
336 free_utf8_filename = FALSE;
337 is_valid_utf8 = FALSE; /* Can't guarantee this */
338 }
339 else
340 {
341 utf8_filename = g_convert (str: filename, len: -1,
342 to_codeset: "UTF-8", from_codeset: charset, NULL, NULL, NULL);
343 free_utf8_filename = TRUE;
344 is_valid_utf8 = TRUE;
345
346 if (utf8_filename != NULL)
347 {
348 /* Make sure we can roundtrip: */
349 roundtripped_filename = g_convert (str: utf8_filename, len: -1,
350 to_codeset: charset, from_codeset: "UTF-8", NULL, NULL, NULL);
351
352 if (roundtripped_filename == NULL ||
353 strcmp (s1: filename, s2: roundtripped_filename) != 0)
354 {
355 g_free (mem: utf8_filename);
356 utf8_filename = NULL;
357 }
358
359 g_free (mem: roundtripped_filename);
360 }
361 }
362
363 if (utf8_filename != NULL &&
364 name_is_valid_for_display (string: utf8_filename, is_valid_utf8))
365 {
366 if (free_utf8_filename)
367 parse_name = utf8_filename;
368 else
369 parse_name = g_strdup (str: utf8_filename);
370 }
371 else
372 {
373#ifdef G_OS_WIN32
374 char *dup_filename, *p, *backslash;
375
376 /* Turn backslashes into forward slashes like
377 * g_filename_to_uri() would do (but we can't use that because
378 * it doesn't output IRIs).
379 */
380 dup_filename = g_strdup (filename);
381 filename = p = dup_filename;
382
383 while ((backslash = strchr (p, '\\')) != NULL)
384 {
385 *backslash = '/';
386 p = backslash + 1;
387 }
388#endif
389
390 escaped_path = g_uri_escape_string (unescaped: filename,
391 G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
392 TRUE);
393 parse_name = g_strconcat (string1: "file://",
394 (*escaped_path != '/') ? "/" : "",
395 escaped_path,
396 NULL);
397
398 g_free (mem: escaped_path);
399#ifdef G_OS_WIN32
400 g_free (dup_filename);
401#endif
402 if (free_utf8_filename)
403 g_free (mem: utf8_filename);
404 }
405
406 return parse_name;
407}
408
409static GFile *
410g_local_file_get_parent (GFile *file)
411{
412 GLocalFile *local = G_LOCAL_FILE (file);
413 const char *non_root;
414 char *dirname;
415 GFile *parent;
416
417 /* Check for root; local->filename is guaranteed to be absolute, so
418 * g_path_skip_root() should never return NULL. */
419 non_root = g_path_skip_root (file_name: local->filename);
420 g_assert (non_root != NULL);
421
422 if (*non_root == 0)
423 return NULL;
424
425 dirname = g_path_get_dirname (file_name: local->filename);
426 parent = _g_local_file_new (filename: dirname);
427 g_free (mem: dirname);
428 return parent;
429}
430
431static GFile *
432g_local_file_dup (GFile *file)
433{
434 GLocalFile *local = G_LOCAL_FILE (file);
435
436 return _g_local_file_new (filename: local->filename);
437}
438
439static guint
440g_local_file_hash (GFile *file)
441{
442 GLocalFile *local = G_LOCAL_FILE (file);
443
444 return g_str_hash (v: local->filename);
445}
446
447static gboolean
448g_local_file_equal (GFile *file1,
449 GFile *file2)
450{
451 GLocalFile *local1 = G_LOCAL_FILE (file1);
452 GLocalFile *local2 = G_LOCAL_FILE (file2);
453
454 return g_str_equal (v1: local1->filename, v2: local2->filename);
455}
456
457static const char *
458match_prefix (const char *path,
459 const char *prefix)
460{
461 int prefix_len;
462
463 prefix_len = strlen (s: prefix);
464 if (strncmp (s1: path, s2: prefix, n: prefix_len) != 0)
465 return NULL;
466
467 /* Handle the case where prefix is the root, so that
468 * the IS_DIR_SEPRARATOR check below works */
469 if (prefix_len > 0 &&
470 G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
471 prefix_len--;
472
473 return path + prefix_len;
474}
475
476static gboolean
477g_local_file_prefix_matches (GFile *parent,
478 GFile *descendant)
479{
480 GLocalFile *parent_local = G_LOCAL_FILE (parent);
481 GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
482 const char *remainder;
483
484 remainder = match_prefix (path: descendant_local->filename, prefix: parent_local->filename);
485 if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
486 return TRUE;
487 return FALSE;
488}
489
490static char *
491g_local_file_get_relative_path (GFile *parent,
492 GFile *descendant)
493{
494 GLocalFile *parent_local = G_LOCAL_FILE (parent);
495 GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
496 const char *remainder;
497
498 remainder = match_prefix (path: descendant_local->filename, prefix: parent_local->filename);
499
500 if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
501 return g_strdup (str: remainder + 1);
502 return NULL;
503}
504
505static GFile *
506g_local_file_resolve_relative_path (GFile *file,
507 const char *relative_path)
508{
509 GLocalFile *local = G_LOCAL_FILE (file);
510 char *filename;
511 GFile *child;
512
513 if (g_path_is_absolute (file_name: relative_path))
514 return _g_local_file_new (filename: relative_path);
515
516 filename = g_build_filename (first_element: local->filename, relative_path, NULL);
517 child = _g_local_file_new (filename);
518 g_free (mem: filename);
519
520 return child;
521}
522
523static GFileEnumerator *
524g_local_file_enumerate_children (GFile *file,
525 const char *attributes,
526 GFileQueryInfoFlags flags,
527 GCancellable *cancellable,
528 GError **error)
529{
530 GLocalFile *local = G_LOCAL_FILE (file);
531 return _g_local_file_enumerator_new (file: local,
532 attributes, flags,
533 cancellable, error);
534}
535
536static GFile *
537g_local_file_get_child_for_display_name (GFile *file,
538 const char *display_name,
539 GError **error)
540{
541 GFile *new_file;
542 char *basename;
543
544 basename = g_filename_from_utf8 (utf8string: display_name, len: -1, NULL, NULL, NULL);
545 if (basename == NULL)
546 {
547 g_set_error (err: error, G_IO_ERROR,
548 code: G_IO_ERROR_INVALID_FILENAME,
549 _("Invalid filename %s"), display_name);
550 return NULL;
551 }
552
553 new_file = g_file_get_child (file, name: basename);
554 g_free (mem: basename);
555
556 return new_file;
557}
558
559#if defined(USE_STATFS) && !defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
560static const char *
561get_fs_type (long f_type)
562{
563 /* filesystem ids taken from linux manpage */
564 switch (f_type)
565 {
566 case 0xadf5:
567 return "adfs";
568 case 0x5346414f:
569 return "afs";
570 case 0x0187:
571 return "autofs";
572 case 0xADFF:
573 return "affs";
574 case 0x62646576:
575 return "bdevfs";
576 case 0x42465331:
577 return "befs";
578 case 0x1BADFACE:
579 return "bfs";
580 case 0x42494e4d:
581 return "binfmt_misc";
582 case 0x9123683E:
583 return "btrfs";
584 case 0x73727279:
585 return "btrfs_test_fs";
586 case 0x27e0eb:
587 return "cgroup";
588 case 0x63677270:
589 return "cgroup2";
590 case 0xFF534D42:
591 return "cifs";
592 case 0x73757245:
593 return "coda";
594 case 0x012FF7B7:
595 return "coh";
596 case 0x62656570:
597 return "configfs";
598 case 0x28cd3d45:
599 return "cramfs";
600 case 0x64626720:
601 return "debugfs";
602 case 0x1373:
603 return "devfs";
604 case 0x1cd1:
605 return "devpts";
606 case 0xf15f:
607 return "ecryptfs";
608 case 0xde5e81e4:
609 return "efivarfs";
610 case 0x00414A53:
611 return "efs";
612 case 0x137D:
613 return "ext";
614 case 0xEF51:
615 return "ext2";
616 case 0xEF53:
617 return "ext3/ext4";
618 case 0xF2F52010:
619 return "f2fs";
620 case 0x65735546:
621 return "fuse";
622 case 0x65735543:
623 return "fusectl";
624 case 0xBAD1DEA:
625 return "futexfs";
626 case 0x4244:
627 return "hfs";
628 case 0x00c0ffee:
629 return "hostfs";
630 case 0xF995E849:
631 return "hpfs";
632 case 0x958458f6:
633 return "hugetlbfs";
634 case 0x9660:
635 return "isofs";
636 case 0x72b6:
637 return "jffs2";
638 case 0x3153464a:
639 return "jfs";
640 case 0x137F:
641 return "minix";
642 case 0x138F:
643 return "minix2";
644 case 0x2468:
645 return "minix2";
646 case 0x2478:
647 return "minix22";
648 case 0x4d5a:
649 return "minix3";
650 case 0x19800202:
651 return "mqueue";
652 case 0x4d44:
653 return "msdos";
654 case 0x564c:
655 return "ncp";
656 case 0x6969:
657 return "nfs";
658 case 0x3434:
659 return "nilfs";
660 case 0x6e736673:
661 return "nsfs";
662 case 0x5346544e:
663 return "ntfs";
664 case 0x7461636f:
665 return "ocfs2";
666 case 0x9fa1:
667 return "openprom";
668 case 0x794c7630:
669 return "overlay";
670 case 0x50495045:
671 return "pipefs";
672 case 0x9fa0:
673 return "proc";
674 case 0x6165676C:
675 return "pstore";
676 case 0x002f:
677 return "qnx4";
678 case 0x68191122:
679 return "qnx6";
680 case 0x858458f6:
681 return "ramfs";
682 case 0x52654973:
683 return "reiserfs";
684 case 0x7275:
685 return "romfs";
686 case 0x67596969:
687 return "rpc_pipefs";
688 case 0x73636673:
689 return "securityfs";
690 case 0xf97cff8c:
691 return "selinuxfs";
692 case 0x43415d53:
693 return "smackfs";
694 case 0x517B:
695 return "smb";
696 case 0xfe534d42:
697 return "smb2";
698 case 0x534F434B:
699 return "sockfs";
700 case 0x73717368:
701 return "squashfs";
702 case 0x62656572:
703 return "sysfs";
704 case 0x012FF7B6:
705 return "sysv2";
706 case 0x012FF7B5:
707 return "sysv4";
708 case 0x01021994:
709 return "tmpfs";
710 case 0x74726163:
711 return "tracefs";
712 case 0x15013346:
713 return "udf";
714 case 0x00011954:
715 return "ufs";
716 case 0x9fa2:
717 return "usbdevice";
718 case 0x01021997:
719 return "v9fs";
720 case 0xa501FCF5:
721 return "vxfs";
722 case 0xabba1974:
723 return "xenfs";
724 case 0x012FF7B4:
725 return "xenix";
726 case 0x58465342:
727 return "xfs";
728 case 0x012FD16D:
729 return "xiafs";
730 case 0x52345362:
731 return "reiser4";
732 default:
733 return NULL;
734 }
735}
736#endif
737
738#ifndef G_OS_WIN32
739
740G_LOCK_DEFINE_STATIC(mount_info_hash);
741static GHashTable *mount_info_hash = NULL;
742static guint64 mount_info_hash_cache_time = 0;
743
744typedef enum {
745 MOUNT_INFO_READONLY = 1<<0
746} MountInfo;
747
748static gboolean
749device_equal (gconstpointer v1,
750 gconstpointer v2)
751{
752 return *(dev_t *)v1 == *(dev_t *)v2;
753}
754
755static guint
756device_hash (gconstpointer v)
757{
758 return (guint) *(dev_t *)v;
759}
760
761static void
762get_mount_info (GFileInfo *fs_info,
763 const char *path,
764 GFileAttributeMatcher *matcher)
765{
766 GStatBuf buf;
767 gboolean got_info;
768 gpointer info_as_ptr;
769 guint mount_info;
770 char *mountpoint;
771 dev_t *dev;
772 GUnixMountEntry *mount;
773 guint64 cache_time;
774
775 if (g_lstat (file: path, buf: &buf) != 0)
776 return;
777
778 G_LOCK (mount_info_hash);
779
780 if (mount_info_hash == NULL)
781 mount_info_hash = g_hash_table_new_full (hash_func: device_hash, key_equal_func: device_equal,
782 key_destroy_func: g_free, NULL);
783
784
785 if (g_unix_mounts_changed_since (time: mount_info_hash_cache_time))
786 g_hash_table_remove_all (hash_table: mount_info_hash);
787
788 got_info = g_hash_table_lookup_extended (hash_table: mount_info_hash,
789 lookup_key: &buf.st_dev,
790 NULL,
791 value: &info_as_ptr);
792
793 G_UNLOCK (mount_info_hash);
794
795 mount_info = GPOINTER_TO_UINT (info_as_ptr);
796
797 if (!got_info)
798 {
799 mount_info = 0;
800
801 mountpoint = find_mountpoint_for (file: path, dev: buf.st_dev, FALSE);
802 if (mountpoint == NULL)
803 mountpoint = g_strdup (str: "/");
804
805 mount = g_unix_mount_at (mount_path: mountpoint, time_read: &cache_time);
806 if (mount)
807 {
808 if (g_unix_mount_is_readonly (mount_entry: mount))
809 mount_info |= MOUNT_INFO_READONLY;
810
811 g_unix_mount_free (mount_entry: mount);
812 }
813
814 g_free (mem: mountpoint);
815
816 dev = g_new0 (dev_t, 1);
817 *dev = buf.st_dev;
818
819 G_LOCK (mount_info_hash);
820 mount_info_hash_cache_time = cache_time;
821 g_hash_table_insert (hash_table: mount_info_hash, key: dev, GUINT_TO_POINTER (mount_info));
822 G_UNLOCK (mount_info_hash);
823 }
824
825 if (mount_info & MOUNT_INFO_READONLY)
826 g_file_info_set_attribute_boolean (info: fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
827}
828
829#endif
830
831#ifdef G_OS_WIN32
832
833static wchar_t *
834get_volume_for_path (const char *path)
835{
836 long len;
837 wchar_t *wpath;
838 wchar_t *result;
839
840 wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
841 result = g_new (wchar_t, MAX_PATH);
842
843 if (!GetVolumePathNameW (wpath, result, MAX_PATH))
844 {
845 char *msg = g_win32_error_message (GetLastError ());
846 g_critical ("GetVolumePathName failed: %s", msg);
847 g_free (msg);
848 g_free (result);
849 g_free (wpath);
850 return NULL;
851 }
852
853 len = wcslen (result);
854 if (len > 0 && result[len-1] != L'\\')
855 {
856 result = g_renew (wchar_t, result, len + 2);
857 result[len] = L'\\';
858 result[len + 1] = 0;
859 }
860
861 g_free (wpath);
862 return result;
863}
864
865static char *
866find_mountpoint_for (const char *file, dev_t dev, gboolean resolve_basename_symlink)
867{
868 wchar_t *wpath;
869 char *utf8_path;
870
871 wpath = get_volume_for_path (file);
872 if (!wpath)
873 return NULL;
874
875 utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
876
877 g_free (wpath);
878 return utf8_path;
879}
880
881static void
882get_filesystem_readonly (GFileInfo *info,
883 const char *path)
884{
885 wchar_t *rootdir;
886
887 rootdir = get_volume_for_path (path);
888
889 if (rootdir)
890 {
891 DWORD flags;
892 if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
893 g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
894 (flags & FILE_READ_ONLY_VOLUME) != 0);
895 }
896
897 g_free (rootdir);
898}
899
900#endif /* G_OS_WIN32 */
901
902#pragma GCC diagnostic push
903#pragma GCC diagnostic ignored "-Wformat-nonliteral"
904static void
905g_set_io_error (GError **error,
906 const gchar *msg,
907 GFile *file,
908 gint errsv)
909{
910 GLocalFile *local = G_LOCAL_FILE (file);
911 gchar *display_name;
912
913 display_name = g_filename_display_name (filename: local->filename);
914 g_set_error (err: error, G_IO_ERROR, code: g_io_error_from_errno (err_no: errsv),
915 format: msg, display_name, g_strerror (errnum: errsv));
916 g_free (mem: display_name);
917}
918#pragma GCC diagnostic pop
919
920static GFileInfo *
921g_local_file_query_filesystem_info (GFile *file,
922 const char *attributes,
923 GCancellable *cancellable,
924 GError **error)
925{
926 GLocalFile *local = G_LOCAL_FILE (file);
927 GFileInfo *info;
928 int statfs_result = 0;
929 gboolean no_size;
930#ifndef G_OS_WIN32
931 const char *fstype;
932#ifdef USE_STATFS
933 guint64 block_size;
934 struct statfs statfs_buffer;
935#elif defined(USE_STATVFS)
936 guint64 block_size;
937 struct statvfs statfs_buffer;
938#endif /* USE_STATFS */
939#endif /* G_OS_WIN32 */
940 GFileAttributeMatcher *attribute_matcher;
941
942 no_size = FALSE;
943
944#ifdef USE_STATFS
945
946#if STATFS_ARGS == 2
947 statfs_result = statfs (file: local->filename, buf: &statfs_buffer);
948#elif STATFS_ARGS == 4
949 statfs_result = statfs (local->filename, &statfs_buffer,
950 sizeof (statfs_buffer), 0);
951#endif /* STATFS_ARGS == 2 */
952 block_size = statfs_buffer.f_bsize;
953
954 /* Many backends can't report free size (for instance the gvfs fuse
955 * backend for backend not supporting this), and set f_bfree to 0,
956 * but it can be 0 for real too. We treat the available == 0 and
957 * free == 0 case as "both of these are invalid", but only on file systems
958 * which are known to not support this (otherwise we can omit metadata for
959 * systems which are legitimately full). */
960#if defined(__linux__)
961 if (statfs_result == 0 &&
962 statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0 &&
963 (/* linux/ncp_fs.h: NCP_SUPER_MAGIC == 0x564c */
964 statfs_buffer.f_type == 0x564c ||
965 /* man statfs: FUSE_SUPER_MAGIC == 0x65735546 */
966 statfs_buffer.f_type == 0x65735546))
967 no_size = TRUE;
968#endif /* __linux__ */
969
970#elif defined(USE_STATVFS)
971 statfs_result = statvfs (local->filename, &statfs_buffer);
972 block_size = statfs_buffer.f_frsize;
973#endif /* USE_STATFS */
974
975 if (statfs_result == -1)
976 {
977 int errsv = errno;
978
979 g_set_io_error (error,
980 _("Error getting filesystem info for %s: %s"),
981 file, errsv);
982 return NULL;
983 }
984
985 info = g_file_info_new ();
986
987 attribute_matcher = g_file_attribute_matcher_new (attributes);
988
989 if (!no_size &&
990 g_file_attribute_matcher_matches (matcher: attribute_matcher,
991 G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
992 {
993#ifdef G_OS_WIN32
994 gchar *localdir = g_path_get_dirname (local->filename);
995 wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
996 ULARGE_INTEGER li;
997
998 g_free (localdir);
999 if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
1000 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
1001 g_free (wdirname);
1002#else
1003#if defined(USE_STATFS) || defined(USE_STATVFS)
1004 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, attr_value: block_size * statfs_buffer.f_bavail);
1005#endif
1006#endif
1007 }
1008 if (!no_size &&
1009 g_file_attribute_matcher_matches (matcher: attribute_matcher,
1010 G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
1011 {
1012#ifdef G_OS_WIN32
1013 gchar *localdir = g_path_get_dirname (local->filename);
1014 wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1015 ULARGE_INTEGER li;
1016
1017 g_free (localdir);
1018 if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
1019 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, (guint64)li.QuadPart);
1020 g_free (wdirname);
1021#else
1022#if defined(USE_STATFS) || defined(USE_STATVFS)
1023 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, attr_value: block_size * statfs_buffer.f_blocks);
1024#endif
1025#endif /* G_OS_WIN32 */
1026 }
1027
1028 if (!no_size &&
1029 g_file_attribute_matcher_matches (matcher: attribute_matcher,
1030 G_FILE_ATTRIBUTE_FILESYSTEM_USED))
1031 {
1032#ifdef G_OS_WIN32
1033 gchar *localdir = g_path_get_dirname (local->filename);
1034 wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1035 ULARGE_INTEGER li_free;
1036 ULARGE_INTEGER li_total;
1037
1038 g_free (localdir);
1039 if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
1040 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
1041 g_free (wdirname);
1042#else
1043 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, attr_value: block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
1044#endif /* G_OS_WIN32 */
1045 }
1046
1047#ifndef G_OS_WIN32
1048#ifdef USE_STATFS
1049#if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
1050 fstype = statfs_buffer.f_fstypename;
1051#else
1052 fstype = get_fs_type (f_type: statfs_buffer.f_type);
1053#endif
1054
1055#elif defined(USE_STATVFS)
1056#if defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME)
1057 fstype = statfs_buffer.f_fstypename;
1058#elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
1059 fstype = statfs_buffer.f_basetype;
1060#else
1061 fstype = NULL;
1062#endif
1063#endif /* USE_STATFS */
1064
1065 if (fstype &&
1066 g_file_attribute_matcher_matches (matcher: attribute_matcher,
1067 G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1068 g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, attr_value: fstype);
1069#endif /* G_OS_WIN32 */
1070
1071 if (g_file_attribute_matcher_matches (matcher: attribute_matcher,
1072 G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1073 {
1074#ifdef G_OS_WIN32
1075 get_filesystem_readonly (info, local->filename);
1076#else
1077 get_mount_info (fs_info: info, path: local->filename, matcher: attribute_matcher);
1078#endif /* G_OS_WIN32 */
1079 }
1080
1081#ifndef G_OS_WIN32
1082 if (g_file_attribute_matcher_matches (matcher: attribute_matcher,
1083 G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE))
1084 g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE,
1085 attr_value: is_remote_fs_type (fsname: fstype));
1086#endif
1087
1088 g_file_attribute_matcher_unref (matcher: attribute_matcher);
1089
1090 return info;
1091}
1092
1093static GMount *
1094g_local_file_find_enclosing_mount (GFile *file,
1095 GCancellable *cancellable,
1096 GError **error)
1097{
1098 GLocalFile *local = G_LOCAL_FILE (file);
1099 GStatBuf buf;
1100 char *mountpoint;
1101 GMount *mount;
1102
1103 if (g_lstat (file: local->filename, buf: &buf) != 0)
1104 goto error;
1105
1106 mountpoint = find_mountpoint_for (file: local->filename, dev: buf.st_dev, FALSE);
1107 if (mountpoint == NULL)
1108 goto error;
1109
1110 mount = _g_mount_get_for_mount_path (mount_path: mountpoint, cancellable);
1111 g_free (mem: mountpoint);
1112 if (mount)
1113 return mount;
1114
1115error:
1116 g_set_io_error (error,
1117 /* Translators: This is an error message when trying to find
1118 * the enclosing (user visible) mount of a file, but none
1119 * exists.
1120 */
1121 _("Containing mount for file %s not found"),
1122 file, errsv: 0);
1123
1124 return NULL;
1125}
1126
1127static GFile *
1128g_local_file_set_display_name (GFile *file,
1129 const char *display_name,
1130 GCancellable *cancellable,
1131 GError **error)
1132{
1133 GLocalFile *local, *new_local;
1134 GFile *new_file, *parent;
1135 GStatBuf statbuf;
1136 GVfsClass *class;
1137 GVfs *vfs;
1138 int errsv;
1139
1140 parent = g_file_get_parent (file);
1141 if (parent == NULL)
1142 {
1143 g_set_error_literal (err: error, G_IO_ERROR, code: G_IO_ERROR_FAILED,
1144 _("Can’t rename root directory"));
1145 return NULL;
1146 }
1147
1148 new_file = g_file_get_child_for_display_name (file: parent, display_name, error);
1149 g_object_unref (object: parent);
1150
1151 if (new_file == NULL)
1152 return NULL;
1153 local = G_LOCAL_FILE (file);
1154 new_local = G_LOCAL_FILE (new_file);
1155
1156 if (g_lstat (file: new_local->filename, buf: &statbuf) == -1)
1157 {
1158 errsv = errno;
1159
1160 if (errsv != ENOENT)
1161 {
1162 g_set_io_error (error, _("Error renaming file %s: %s"), file: new_file, errsv);
1163 return NULL;
1164 }
1165 }
1166 else
1167 {
1168 g_set_error_literal (err: error, G_IO_ERROR, code: G_IO_ERROR_EXISTS,
1169 _("Can’t rename file, filename already exists"));
1170 return NULL;
1171 }
1172
1173 if (g_rename (old: local->filename, new: new_local->filename) == -1)
1174 {
1175 errsv = errno;
1176
1177 if (errsv == EINVAL)
1178 /* We can't get a rename file into itself error here,
1179 * so this must be an invalid filename, on e.g. FAT
1180 */
1181 g_set_error_literal (err: error, G_IO_ERROR, code: G_IO_ERROR_INVALID_FILENAME,
1182 _("Invalid filename"));
1183 else
1184 g_set_io_error (error,
1185 _("Error renaming file %s: %s"),
1186 file, errsv);
1187 g_object_unref (object: new_file);
1188 return NULL;
1189 }
1190
1191 vfs = g_vfs_get_default ();
1192 class = G_VFS_GET_CLASS (vfs);
1193 if (class->local_file_moved)
1194 class->local_file_moved (vfs, local->filename, new_local->filename);
1195
1196 return new_file;
1197}
1198
1199static GFileInfo *
1200g_local_file_query_info (GFile *file,
1201 const char *attributes,
1202 GFileQueryInfoFlags flags,
1203 GCancellable *cancellable,
1204 GError **error)
1205{
1206 GLocalFile *local = G_LOCAL_FILE (file);
1207 GFileInfo *info;
1208 GFileAttributeMatcher *matcher;
1209 char *basename, *dirname;
1210 GLocalParentFileInfo parent_info;
1211
1212 matcher = g_file_attribute_matcher_new (attributes);
1213
1214 basename = g_path_get_basename (file_name: local->filename);
1215
1216 dirname = g_path_get_dirname (file_name: local->filename);
1217 _g_local_file_info_get_parent_info (dir: dirname, attribute_matcher: matcher, parent_info: &parent_info);
1218 g_free (mem: dirname);
1219
1220 info = _g_local_file_info_get (basename, path: local->filename,
1221 attribute_matcher: matcher, flags, parent_info: &parent_info,
1222 error);
1223
1224
1225 _g_local_file_info_free_parent_info (parent_info: &parent_info);
1226 g_free (mem: basename);
1227
1228 g_file_attribute_matcher_unref (matcher);
1229
1230 return info;
1231}
1232
1233static GFileAttributeInfoList *
1234g_local_file_query_settable_attributes (GFile *file,
1235 GCancellable *cancellable,
1236 GError **error)
1237{
1238 return g_file_attribute_info_list_ref (list: local_writable_attributes);
1239}
1240
1241static GFileAttributeInfoList *
1242g_local_file_query_writable_namespaces (GFile *file,
1243 GCancellable *cancellable,
1244 GError **error)
1245{
1246 GFileAttributeInfoList *list;
1247 GVfsClass *class;
1248 GVfs *vfs;
1249
1250 if (g_once_init_enter (&local_writable_namespaces))
1251 {
1252 /* Writable namespaces: */
1253
1254 list = g_file_attribute_info_list_new ();
1255
1256#ifdef HAVE_XATTR
1257 g_file_attribute_info_list_add (list,
1258 name: "xattr",
1259 type: G_FILE_ATTRIBUTE_TYPE_STRING,
1260 flags: G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
1261 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1262 g_file_attribute_info_list_add (list,
1263 name: "xattr-sys",
1264 type: G_FILE_ATTRIBUTE_TYPE_STRING,
1265 flags: G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1266#endif
1267
1268 vfs = g_vfs_get_default ();
1269 class = G_VFS_GET_CLASS (vfs);
1270 if (class->add_writable_namespaces)
1271 class->add_writable_namespaces (vfs, list);
1272
1273 g_once_init_leave (&local_writable_namespaces, (gsize)list);
1274 }
1275 list = (GFileAttributeInfoList *)local_writable_namespaces;
1276
1277 return g_file_attribute_info_list_ref (list);
1278}
1279
1280static gboolean
1281g_local_file_set_attribute (GFile *file,
1282 const char *attribute,
1283 GFileAttributeType type,
1284 gpointer value_p,
1285 GFileQueryInfoFlags flags,
1286 GCancellable *cancellable,
1287 GError **error)
1288{
1289 GLocalFile *local = G_LOCAL_FILE (file);
1290
1291 return _g_local_file_info_set_attribute (filename: local->filename,
1292 attribute,
1293 type,
1294 value_p,
1295 flags,
1296 cancellable,
1297 error);
1298}
1299
1300static gboolean
1301g_local_file_set_attributes_from_info (GFile *file,
1302 GFileInfo *info,
1303 GFileQueryInfoFlags flags,
1304 GCancellable *cancellable,
1305 GError **error)
1306{
1307 GLocalFile *local = G_LOCAL_FILE (file);
1308 int res, chained_res;
1309 GFileIface *default_iface;
1310
1311 res = _g_local_file_info_set_attributes (filename: local->filename,
1312 info, flags,
1313 cancellable,
1314 error);
1315
1316 if (!res)
1317 error = NULL; /* Don't write over error if further errors */
1318
1319 default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1320
1321 chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1322
1323 return res && chained_res;
1324}
1325
1326static GFileInputStream *
1327g_local_file_read (GFile *file,
1328 GCancellable *cancellable,
1329 GError **error)
1330{
1331 GLocalFile *local = G_LOCAL_FILE (file);
1332 int fd, ret;
1333 GLocalFileStat buf;
1334
1335 fd = g_open (file: local->filename, O_RDONLY|O_BINARY, 0);
1336 if (fd == -1)
1337 {
1338 int errsv = errno;
1339
1340#ifdef G_OS_WIN32
1341 if (errsv == EACCES)
1342 {
1343 /* Exploit the fact that on W32 the glib filename encoding is UTF8 */
1344 ret = GLIB_PRIVATE_CALL (g_win32_stat_utf8) (local->filename, &buf);
1345 if (ret == 0 && S_ISDIR (buf.st_mode))
1346 errsv = EISDIR;
1347 }
1348#endif
1349 g_set_io_error (error,
1350 _("Error opening file %s: %s"),
1351 file, errsv);
1352 return NULL;
1353 }
1354
1355 ret = g_local_file_fstat (fd, mask: G_LOCAL_FILE_STAT_FIELD_TYPE, G_LOCAL_FILE_STAT_FIELD_ALL, stat_buf: &buf);
1356
1357 if (ret == 0 && S_ISDIR (_g_stat_mode (&buf)))
1358 {
1359 (void) g_close (fd, NULL);
1360 g_set_io_error (error,
1361 _("Error opening file %s: %s"),
1362 file, EISDIR);
1363 return NULL;
1364 }
1365
1366 return _g_local_file_input_stream_new (fd);
1367}
1368
1369static GFileOutputStream *
1370g_local_file_append_to (GFile *file,
1371 GFileCreateFlags flags,
1372 GCancellable *cancellable,
1373 GError **error)
1374{
1375 return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1376 flags, cancellable, error);
1377}
1378
1379static GFileOutputStream *
1380g_local_file_create (GFile *file,
1381 GFileCreateFlags flags,
1382 GCancellable *cancellable,
1383 GError **error)
1384{
1385 return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1386 FALSE, flags, NULL,
1387 cancellable, error);
1388}
1389
1390static GFileOutputStream *
1391g_local_file_replace (GFile *file,
1392 const char *etag,
1393 gboolean make_backup,
1394 GFileCreateFlags flags,
1395 GCancellable *cancellable,
1396 GError **error)
1397{
1398 return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1399 FALSE,
1400 etag, create_backup: make_backup, flags, NULL,
1401 cancellable, error);
1402}
1403
1404static GFileIOStream *
1405g_local_file_open_readwrite (GFile *file,
1406 GCancellable *cancellable,
1407 GError **error)
1408{
1409 GFileOutputStream *output;
1410 GFileIOStream *res;
1411
1412 output = _g_local_file_output_stream_open (G_LOCAL_FILE (file)->filename,
1413 TRUE,
1414 cancellable, error);
1415 if (output == NULL)
1416 return NULL;
1417
1418 res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1419 g_object_unref (object: output);
1420 return res;
1421}
1422
1423static GFileIOStream *
1424g_local_file_create_readwrite (GFile *file,
1425 GFileCreateFlags flags,
1426 GCancellable *cancellable,
1427 GError **error)
1428{
1429 GFileOutputStream *output;
1430 GFileIOStream *res;
1431
1432 output = _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1433 TRUE, flags, NULL,
1434 cancellable, error);
1435 if (output == NULL)
1436 return NULL;
1437
1438 res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1439 g_object_unref (object: output);
1440 return res;
1441}
1442
1443static GFileIOStream *
1444g_local_file_replace_readwrite (GFile *file,
1445 const char *etag,
1446 gboolean make_backup,
1447 GFileCreateFlags flags,
1448 GCancellable *cancellable,
1449 GError **error)
1450{
1451 GFileOutputStream *output;
1452 GFileIOStream *res;
1453
1454 output = _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1455 TRUE,
1456 etag, create_backup: make_backup, flags, NULL,
1457 cancellable, error);
1458 if (output == NULL)
1459 return NULL;
1460
1461 res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1462 g_object_unref (object: output);
1463 return res;
1464}
1465
1466static gboolean
1467g_local_file_delete (GFile *file,
1468 GCancellable *cancellable,
1469 GError **error)
1470{
1471 GLocalFile *local = G_LOCAL_FILE (file);
1472 GVfsClass *class;
1473 GVfs *vfs;
1474
1475 if (g_remove (filename: local->filename) == -1)
1476 {
1477 int errsv = errno;
1478
1479 /* Posix allows EEXIST too, but the clearer error
1480 is G_IO_ERROR_NOT_FOUND, and it's what nautilus
1481 expects */
1482 if (errsv == EEXIST)
1483 errsv = ENOTEMPTY;
1484
1485 g_set_io_error (error,
1486 _("Error removing file %s: %s"),
1487 file, errsv);
1488 return FALSE;
1489 }
1490
1491 vfs = g_vfs_get_default ();
1492 class = G_VFS_GET_CLASS (vfs);
1493 if (class->local_file_removed)
1494 class->local_file_removed (vfs, local->filename);
1495
1496 return TRUE;
1497}
1498
1499#ifndef G_OS_WIN32
1500
1501static char *
1502strip_trailing_slashes (const char *path)
1503{
1504 char *path_copy;
1505 int len;
1506
1507 path_copy = g_strdup (str: path);
1508 len = strlen (s: path_copy);
1509 while (len > 1 && path_copy[len-1] == '/')
1510 path_copy[--len] = 0;
1511
1512 return path_copy;
1513 }
1514
1515static char *
1516expand_symlink (const char *link)
1517{
1518 char *resolved, *canonical, *parent, *link2;
1519 char symlink_value[4096];
1520#ifdef G_OS_WIN32
1521#else
1522 gssize res;
1523#endif
1524
1525#ifdef G_OS_WIN32
1526#else
1527 res = readlink (path: link, buf: symlink_value, len: sizeof (symlink_value) - 1);
1528
1529 if (res == -1)
1530 return g_strdup (str: link);
1531 symlink_value[res] = 0;
1532#endif
1533
1534 if (g_path_is_absolute (file_name: symlink_value))
1535 return g_canonicalize_filename (filename: symlink_value, NULL);
1536 else
1537 {
1538 link2 = strip_trailing_slashes (path: link);
1539 parent = g_path_get_dirname (file_name: link2);
1540 g_free (mem: link2);
1541
1542 resolved = g_build_filename (first_element: parent, symlink_value, NULL);
1543 g_free (mem: parent);
1544
1545 canonical = g_canonicalize_filename (filename: resolved, NULL);
1546
1547 g_free (mem: resolved);
1548
1549 return canonical;
1550 }
1551}
1552
1553static char *
1554expand_symlinks (const char *path,
1555 dev_t *dev)
1556{
1557 char *tmp, *target;
1558 GStatBuf target_stat;
1559 int num_recursions;
1560
1561 target = g_strdup (str: path);
1562
1563 num_recursions = 0;
1564 do
1565 {
1566 if (g_lstat (file: target, buf: &target_stat) != 0)
1567 {
1568 g_free (mem: target);
1569 return NULL;
1570 }
1571
1572 if (S_ISLNK (target_stat.st_mode))
1573 {
1574 tmp = target;
1575 target = expand_symlink (link: target);
1576 g_free (mem: tmp);
1577 }
1578
1579 num_recursions++;
1580
1581#ifdef MAXSYMLINKS
1582 if (num_recursions > MAXSYMLINKS)
1583#else
1584 /* 40 is used in kernel sources currently:
1585 * https://github.com/torvalds/linux/include/linux/namei.h
1586 */
1587 if (num_recursions > 40)
1588#endif
1589 {
1590 g_free (mem: target);
1591 return NULL;
1592 }
1593 }
1594 while (S_ISLNK (target_stat.st_mode));
1595
1596 if (dev)
1597 *dev = target_stat.st_dev;
1598
1599 return target;
1600}
1601
1602static char *
1603get_parent (const char *path,
1604 dev_t *parent_dev)
1605{
1606 char *parent, *res;
1607 char *path_copy;
1608
1609 path_copy = strip_trailing_slashes (path);
1610
1611 parent = g_path_get_dirname (file_name: path_copy);
1612 if (strcmp (s1: parent, s2: ".") == 0)
1613 {
1614 g_free (mem: parent);
1615 g_free (mem: path_copy);
1616 return NULL;
1617 }
1618 g_free (mem: path_copy);
1619
1620 res = expand_symlinks (path: parent, dev: parent_dev);
1621 g_free (mem: parent);
1622
1623 return res;
1624}
1625
1626static char *
1627expand_all_symlinks (const char *path)
1628{
1629 char *parent, *parent_expanded;
1630 char *basename, *res;
1631 dev_t parent_dev;
1632
1633 parent = get_parent (path, parent_dev: &parent_dev);
1634 if (parent == NULL)
1635 return NULL;
1636
1637 if (g_strcmp0 (str1: parent, str2: "/") != 0)
1638 {
1639 parent_expanded = expand_all_symlinks (path: parent);
1640 basename = g_path_get_basename (file_name: path);
1641 res = g_build_filename (first_element: parent_expanded, basename, NULL);
1642 g_free (mem: basename);
1643 g_free (mem: parent_expanded);
1644 }
1645 else
1646 res = g_strdup (str: path);
1647
1648 g_free (mem: parent);
1649
1650 return res;
1651}
1652
1653static char *
1654find_mountpoint_for (const char *file,
1655 dev_t dev,
1656 gboolean resolve_basename_symlink)
1657{
1658 char *dir, *parent;
1659 dev_t dir_dev, parent_dev;
1660
1661 if (resolve_basename_symlink)
1662 {
1663 dir = expand_symlinks (path: file, NULL);
1664 if (dir == NULL)
1665 return NULL;
1666 }
1667 else
1668 dir = g_strdup (str: file);
1669
1670 dir_dev = dev;
1671
1672 while (g_strcmp0 (str1: dir, str2: "/") != 0)
1673 {
1674 parent = get_parent (path: dir, parent_dev: &parent_dev);
1675 if (parent == NULL)
1676 {
1677 g_free (mem: dir);
1678 return NULL;
1679 }
1680
1681 if (parent_dev != dir_dev)
1682 {
1683 g_free (mem: parent);
1684 return dir;
1685 }
1686
1687 g_free (mem: dir);
1688 dir = parent;
1689 }
1690
1691 return dir;
1692}
1693
1694char *
1695_g_local_file_find_topdir_for (const char *file)
1696{
1697 char *dir;
1698 char *mountpoint = NULL;
1699 dev_t dir_dev;
1700
1701 dir = get_parent (path: file, parent_dev: &dir_dev);
1702 if (dir == NULL)
1703 return NULL;
1704
1705 mountpoint = find_mountpoint_for (file: dir, dev: dir_dev, TRUE);
1706 g_free (mem: dir);
1707
1708 return mountpoint;
1709}
1710
1711static char *
1712get_unique_filename (const char *basename,
1713 int id)
1714{
1715 const char *dot;
1716
1717 if (id == 1)
1718 return g_strdup (str: basename);
1719
1720 dot = strchr (s: basename, c: '.');
1721 if (dot)
1722 return g_strdup_printf (format: "%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1723 else
1724 return g_strdup_printf (format: "%s.%d", basename, id);
1725}
1726
1727static gboolean
1728path_has_prefix (const char *path,
1729 const char *prefix)
1730{
1731 int prefix_len;
1732
1733 if (prefix == NULL)
1734 return TRUE;
1735
1736 prefix_len = strlen (s: prefix);
1737
1738 if (strncmp (s1: path, s2: prefix, n: prefix_len) == 0 &&
1739 (prefix_len == 0 || /* empty prefix always matches */
1740 prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1741 path[prefix_len] == 0 ||
1742 path[prefix_len] == '/'))
1743 return TRUE;
1744
1745 return FALSE;
1746}
1747
1748static char *
1749try_make_relative (const char *path,
1750 const char *base)
1751{
1752 char *path2, *base2;
1753 char *relative;
1754
1755 path2 = expand_all_symlinks (path);
1756 base2 = expand_all_symlinks (path: base);
1757
1758 relative = NULL;
1759 if (path2 != NULL && base2 != NULL && path_has_prefix (path: path2, prefix: base2))
1760 {
1761 relative = path2 + strlen (s: base2);
1762 while (*relative == '/')
1763 relative ++;
1764 relative = g_strdup (str: relative);
1765 }
1766 g_free (mem: path2);
1767 g_free (mem: base2);
1768
1769 if (relative)
1770 return relative;
1771
1772 /* Failed, use abs path */
1773 return g_strdup (str: path);
1774}
1775
1776static gboolean
1777ignore_trash_mount (GUnixMountEntry *mount)
1778{
1779 GUnixMountPoint *mount_point = NULL;
1780 const gchar *mount_options;
1781 gboolean retval = TRUE;
1782
1783 if (g_unix_mount_is_system_internal (mount_entry: mount))
1784 return TRUE;
1785
1786 mount_options = g_unix_mount_get_options (mount_entry: mount);
1787 if (mount_options == NULL)
1788 {
1789 mount_point = g_unix_mount_point_at (mount_path: g_unix_mount_get_mount_path (mount_entry: mount),
1790 NULL);
1791 if (mount_point != NULL)
1792 mount_options = g_unix_mount_point_get_options (mount_point);
1793 }
1794
1795 if (mount_options == NULL ||
1796 strstr (haystack: mount_options, needle: "x-gvfs-notrash") == NULL)
1797 retval = FALSE;
1798
1799 g_clear_pointer (&mount_point, g_unix_mount_point_free);
1800
1801 return retval;
1802}
1803
1804static gboolean
1805ignore_trash_path (const gchar *topdir)
1806{
1807 GUnixMountEntry *mount;
1808 gboolean retval = TRUE;
1809
1810 mount = g_unix_mount_at (mount_path: topdir, NULL);
1811 if (mount == NULL)
1812 goto out;
1813
1814 retval = ignore_trash_mount (mount);
1815
1816 out:
1817 g_clear_pointer (&mount, g_unix_mount_free);
1818
1819 return retval;
1820}
1821
1822gboolean
1823_g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1824{
1825 static gsize home_dev_set = 0;
1826 static dev_t home_dev;
1827 static gboolean home_dev_valid = FALSE;
1828 char *topdir, *globaldir, *trashdir, *tmpname;
1829 uid_t uid;
1830 char uid_str[32];
1831 GStatBuf global_stat, trash_stat;
1832 gboolean res;
1833
1834 if (g_once_init_enter (&home_dev_set))
1835 {
1836 GStatBuf home_stat;
1837
1838 if (g_stat (file: g_get_home_dir (), buf: &home_stat) == 0)
1839 {
1840 home_dev = home_stat.st_dev;
1841 home_dev_valid = TRUE;
1842 }
1843 else
1844 {
1845 home_dev_valid = FALSE;
1846 }
1847
1848 g_once_init_leave (&home_dev_set, 1);
1849 }
1850
1851 /* Assume we can trash to the home */
1852 if (!home_dev_valid)
1853 return FALSE;
1854 else if (dir_dev == home_dev)
1855 return TRUE;
1856
1857 topdir = find_mountpoint_for (file: dirname, dev: dir_dev, TRUE);
1858 if (topdir == NULL)
1859 return FALSE;
1860
1861 if (ignore_trash_path (topdir))
1862 {
1863 g_free (mem: topdir);
1864
1865 return FALSE;
1866 }
1867
1868 globaldir = g_build_filename (first_element: topdir, ".Trash", NULL);
1869 if (g_lstat (file: globaldir, buf: &global_stat) == 0 &&
1870 S_ISDIR (global_stat.st_mode) &&
1871 (global_stat.st_mode & S_ISVTX) != 0)
1872 {
1873 /* got a toplevel sysadmin created dir, assume we
1874 * can trash to it (we should be able to create a dir)
1875 * This fails for the FAT case where the ownership of
1876 * that dir would be wrong though..
1877 */
1878 g_free (mem: globaldir);
1879 g_free (mem: topdir);
1880 return TRUE;
1881 }
1882 g_free (mem: globaldir);
1883
1884 /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1885 uid = geteuid ();
1886 g_snprintf (string: uid_str, n: sizeof (uid_str), format: "%lu", (unsigned long) uid);
1887
1888 tmpname = g_strdup_printf (format: ".Trash-%s", uid_str);
1889 trashdir = g_build_filename (first_element: topdir, tmpname, NULL);
1890 g_free (mem: tmpname);
1891
1892 if (g_lstat (file: trashdir, buf: &trash_stat) == 0)
1893 {
1894 g_free (mem: topdir);
1895 g_free (mem: trashdir);
1896 return S_ISDIR (trash_stat.st_mode) &&
1897 trash_stat.st_uid == uid;
1898 }
1899 g_free (mem: trashdir);
1900
1901 /* User specific trash didn't exist, can we create it? */
1902 res = g_access (filename: topdir, W_OK) == 0;
1903 g_free (mem: topdir);
1904
1905 return res;
1906}
1907
1908#ifdef G_OS_UNIX
1909gboolean
1910_g_local_file_is_lost_found_dir (const char *path, dev_t path_dev)
1911{
1912 gboolean ret = FALSE;
1913 gchar *mount_dir = NULL;
1914 size_t mount_dir_len;
1915 GStatBuf statbuf;
1916
1917 if (!g_str_has_suffix (str: path, suffix: "/lost+found"))
1918 goto out;
1919
1920 mount_dir = find_mountpoint_for (file: path, dev: path_dev, FALSE);
1921 if (mount_dir == NULL)
1922 goto out;
1923
1924 mount_dir_len = strlen (s: mount_dir);
1925 /* We special-case rootfs ('/') since it's the only case where
1926 * mount_dir ends in '/'
1927 */
1928 if (mount_dir_len == 1)
1929 mount_dir_len--;
1930 if (mount_dir_len + strlen (s: "/lost+found") != strlen (s: path))
1931 goto out;
1932
1933 if (g_lstat (file: path, buf: &statbuf) != 0)
1934 goto out;
1935
1936 if (!(S_ISDIR (statbuf.st_mode) &&
1937 statbuf.st_uid == 0 &&
1938 statbuf.st_gid == 0))
1939 goto out;
1940
1941 ret = TRUE;
1942
1943 out:
1944 g_free (mem: mount_dir);
1945 return ret;
1946}
1947#endif
1948
1949static gboolean
1950g_local_file_trash (GFile *file,
1951 GCancellable *cancellable,
1952 GError **error)
1953{
1954 GLocalFile *local = G_LOCAL_FILE (file);
1955 GStatBuf file_stat, home_stat;
1956 const char *homedir;
1957 char *trashdir, *topdir, *infodir, *filesdir;
1958 char *basename, *trashname, *trashfile, *infoname, *infofile;
1959 char *original_name, *original_name_escaped;
1960 int i;
1961 char *data;
1962 char *path;
1963 gboolean is_homedir_trash;
1964 char *delete_time = NULL;
1965 int fd;
1966 GStatBuf trash_stat, global_stat;
1967 char *dirname, *globaldir;
1968 GVfsClass *class;
1969 GVfs *vfs;
1970 int errsv;
1971
1972 if (glib_should_use_portal ())
1973 return g_trash_portal_trash_file (file, error);
1974
1975 if (g_lstat (file: local->filename, buf: &file_stat) != 0)
1976 {
1977 errsv = errno;
1978
1979 g_set_io_error (error,
1980 _("Error trashing file %s: %s"),
1981 file, errsv);
1982 return FALSE;
1983 }
1984
1985 homedir = g_get_home_dir ();
1986 if (g_stat (file: homedir, buf: &home_stat) != 0)
1987 {
1988 errsv = errno;
1989
1990 g_set_io_error (error,
1991 _("Error trashing file %s: %s"),
1992 file, errsv);
1993 return FALSE;
1994 }
1995
1996 is_homedir_trash = FALSE;
1997 trashdir = NULL;
1998
1999 /* On overlayfs, a file's st_dev will be different to the home directory's.
2000 * We still want to create our trash directory under the home directory, so
2001 * instead we should stat the directory that the file we're deleting is in as
2002 * this will have the same st_dev.
2003 */
2004 if (!S_ISDIR (file_stat.st_mode))
2005 {
2006 path = g_path_get_dirname (file_name: local->filename);
2007 /* If the parent is a symlink to a different device then it might have
2008 * st_dev equal to the home directory's, in which case we will end up
2009 * trying to rename across a filesystem boundary, which doesn't work. So
2010 * we use g_stat here instead of g_lstat, to know where the symlink
2011 * points to. */
2012 g_stat (file: path, buf: &file_stat);
2013 g_free (mem: path);
2014 }
2015
2016 if (file_stat.st_dev == home_stat.st_dev)
2017 {
2018 is_homedir_trash = TRUE;
2019 errno = 0;
2020 trashdir = g_build_filename (first_element: g_get_user_data_dir (), "Trash", NULL);
2021 if (g_mkdir_with_parents (pathname: trashdir, mode: 0700) < 0)
2022 {
2023 char *display_name;
2024 errsv = errno;
2025
2026 display_name = g_filename_display_name (filename: trashdir);
2027 g_set_error (err: error, G_IO_ERROR,
2028 code: g_io_error_from_errno (err_no: errsv),
2029 _("Unable to create trash directory %s: %s"),
2030 display_name, g_strerror (errnum: errsv));
2031 g_free (mem: display_name);
2032 g_free (mem: trashdir);
2033 return FALSE;
2034 }
2035 topdir = g_strdup (str: g_get_user_data_dir ());
2036 }
2037 else
2038 {
2039 uid_t uid;
2040 char uid_str[32];
2041 gboolean success = FALSE;
2042
2043 uid = geteuid ();
2044 g_snprintf (string: uid_str, n: sizeof (uid_str), format: "%lu", (unsigned long)uid);
2045
2046 topdir = _g_local_file_find_topdir_for (file: local->filename);
2047 if (topdir == NULL)
2048 {
2049 g_set_io_error (error,
2050 _("Unable to find toplevel directory to trash %s"),
2051 file, ENOTSUP);
2052 return FALSE;
2053 }
2054
2055 if (ignore_trash_path (topdir))
2056 {
2057 g_set_error (err: error, G_IO_ERROR, code: G_IO_ERROR_NOT_SUPPORTED,
2058 _("Trashing on system internal mounts is not supported"));
2059 g_free (mem: topdir);
2060
2061 return FALSE;
2062 }
2063
2064 /* Try looking for global trash dir $topdir/.Trash/$uid */
2065 globaldir = g_build_filename (first_element: topdir, ".Trash", NULL);
2066 if (g_lstat (file: globaldir, buf: &global_stat) == 0 &&
2067 S_ISDIR (global_stat.st_mode) &&
2068 (global_stat.st_mode & S_ISVTX) != 0)
2069 {
2070 trashdir = g_build_filename (first_element: globaldir, uid_str, NULL);
2071 success = TRUE;
2072
2073 if (g_lstat (file: trashdir, buf: &trash_stat) == 0)
2074 {
2075 if (!S_ISDIR (trash_stat.st_mode) ||
2076 trash_stat.st_uid != uid)
2077 {
2078 /* Not a directory or not owned by user, ignore */
2079 g_free (mem: trashdir);
2080 trashdir = NULL;
2081 success = FALSE;
2082 }
2083 }
2084 else if (g_mkdir (path: trashdir, mode: 0700) == -1)
2085 {
2086 g_free (mem: trashdir);
2087 trashdir = NULL;
2088 success = FALSE;
2089 }
2090 }
2091 g_free (mem: globaldir);
2092
2093 if (trashdir == NULL)
2094 {
2095 gboolean tried_create;
2096
2097 /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
2098 dirname = g_strdup_printf (format: ".Trash-%s", uid_str);
2099 trashdir = g_build_filename (first_element: topdir, dirname, NULL);
2100 success = TRUE;
2101 g_free (mem: dirname);
2102
2103 tried_create = FALSE;
2104
2105 retry:
2106 if (g_lstat (file: trashdir, buf: &trash_stat) == 0)
2107 {
2108 if (!S_ISDIR (trash_stat.st_mode) ||
2109 trash_stat.st_uid != uid)
2110 {
2111 /* Remove the failed directory */
2112 if (tried_create)
2113 g_remove (filename: trashdir);
2114
2115 /* Not a directory or not owned by user, ignore */
2116 success = FALSE;
2117 }
2118 }
2119 else
2120 {
2121 if (!tried_create &&
2122 g_mkdir (path: trashdir, mode: 0700) != -1)
2123 {
2124 /* Ensure that the created dir has the right uid etc.
2125 This might fail on e.g. a FAT dir */
2126 tried_create = TRUE;
2127 goto retry;
2128 }
2129 else
2130 {
2131 success = FALSE;
2132 }
2133 }
2134 }
2135
2136 if (!success)
2137 {
2138 gchar *trashdir_display_name = NULL, *file_display_name = NULL;
2139
2140 trashdir_display_name = g_filename_display_name (filename: trashdir);
2141 file_display_name = g_filename_display_name (filename: local->filename);
2142 g_set_error (err: error, G_IO_ERROR,
2143 code: G_IO_ERROR_NOT_SUPPORTED,
2144 _("Unable to find or create trash directory %s to trash %s"),
2145 trashdir_display_name, file_display_name);
2146
2147 g_free (mem: trashdir_display_name);
2148 g_free (mem: file_display_name);
2149
2150 g_free (mem: topdir);
2151 g_free (mem: trashdir);
2152
2153 return FALSE;
2154 }
2155 }
2156
2157 /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
2158
2159 infodir = g_build_filename (first_element: trashdir, "info", NULL);
2160 filesdir = g_build_filename (first_element: trashdir, "files", NULL);
2161
2162 /* Make sure we have the subdirectories */
2163 if ((g_mkdir (path: infodir, mode: 0700) == -1 && errno != EEXIST) ||
2164 (g_mkdir (path: filesdir, mode: 0700) == -1 && errno != EEXIST))
2165 {
2166 gchar *trashdir_display_name = NULL, *file_display_name = NULL;
2167
2168 trashdir_display_name = g_filename_display_name (filename: trashdir);
2169 file_display_name = g_filename_display_name (filename: local->filename);
2170 g_set_error (err: error, G_IO_ERROR,
2171 code: G_IO_ERROR_NOT_SUPPORTED,
2172 _("Unable to find or create trash directory %s to trash %s"),
2173 trashdir_display_name, file_display_name);
2174
2175 g_free (mem: trashdir_display_name);
2176 g_free (mem: file_display_name);
2177
2178 g_free (mem: topdir);
2179 g_free (mem: trashdir);
2180 g_free (mem: infodir);
2181 g_free (mem: filesdir);
2182
2183 return FALSE;
2184 }
2185
2186 g_free (mem: trashdir);
2187
2188 basename = g_path_get_basename (file_name: local->filename);
2189 i = 1;
2190 trashname = NULL;
2191 infofile = NULL;
2192 do {
2193 g_free (mem: trashname);
2194 g_free (mem: infofile);
2195
2196 trashname = get_unique_filename (basename, id: i++);
2197 infoname = g_strconcat (string1: trashname, ".trashinfo", NULL);
2198 infofile = g_build_filename (first_element: infodir, infoname, NULL);
2199 g_free (mem: infoname);
2200
2201 fd = g_open (file: infofile, O_CREAT | O_EXCL, 0666);
2202 errsv = errno;
2203 } while (fd == -1 && errsv == EEXIST);
2204
2205 g_free (mem: basename);
2206 g_free (mem: infodir);
2207
2208 if (fd == -1)
2209 {
2210 errsv = errno;
2211
2212 g_free (mem: filesdir);
2213 g_free (mem: topdir);
2214 g_free (mem: trashname);
2215 g_free (mem: infofile);
2216
2217 g_set_io_error (error,
2218 _("Unable to create trashing info file for %s: %s"),
2219 file, errsv);
2220 return FALSE;
2221 }
2222
2223 (void) g_close (fd, NULL);
2224
2225 /* Write the full content of the info file before trashing to make
2226 * sure someone doesn't read an empty file. See #749314
2227 */
2228
2229 /* Use absolute names for homedir */
2230 if (is_homedir_trash)
2231 original_name = g_strdup (str: local->filename);
2232 else
2233 original_name = try_make_relative (path: local->filename, base: topdir);
2234 original_name_escaped = g_uri_escape_string (unescaped: original_name, reserved_chars_allowed: "/", FALSE);
2235
2236 g_free (mem: original_name);
2237 g_free (mem: topdir);
2238
2239 {
2240 GDateTime *now = g_date_time_new_now_local ();
2241 if (now != NULL)
2242 delete_time = g_date_time_format (datetime: now, format: "%Y-%m-%dT%H:%M:%S");
2243 else
2244 delete_time = g_strdup (str: "9999-12-31T23:59:59");
2245 g_date_time_unref (datetime: now);
2246 }
2247
2248 data = g_strdup_printf (format: "[Trash Info]\nPath=%s\nDeletionDate=%s\n",
2249 original_name_escaped, delete_time);
2250 g_free (mem: delete_time);
2251
2252 g_file_set_contents_full (filename: infofile, contents: data, length: -1,
2253 flags: G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
2254 mode: 0600, NULL);
2255
2256 /* TODO: Maybe we should verify that you can delete the file from the trash
2257 * before moving it? OTOH, that is hard, as it needs a recursive scan
2258 */
2259
2260 trashfile = g_build_filename (first_element: filesdir, trashname, NULL);
2261
2262 g_free (mem: filesdir);
2263
2264 if (g_rename (old: local->filename, new: trashfile) == -1)
2265 {
2266 errsv = errno;
2267
2268 g_unlink (filename: infofile);
2269
2270 g_free (mem: trashname);
2271 g_free (mem: infofile);
2272 g_free (mem: trashfile);
2273
2274 if (errsv == EXDEV)
2275 /* The trash dir was actually on another fs anyway!?
2276 * This can happen when the same device is mounted multiple
2277 * times, or with bind mounts of the same fs.
2278 */
2279 g_set_io_error (error,
2280 _("Unable to trash file %s across filesystem boundaries"),
2281 file, ENOTSUP);
2282 else
2283 g_set_io_error (error,
2284 _("Unable to trash file %s: %s"),
2285 file, errsv);
2286 return FALSE;
2287 }
2288
2289 vfs = g_vfs_get_default ();
2290 class = G_VFS_GET_CLASS (vfs);
2291 if (class->local_file_moved)
2292 class->local_file_moved (vfs, local->filename, trashfile);
2293
2294 g_free (mem: trashfile);
2295
2296 /* TODO: Do we need to update mtime/atime here after the move? */
2297
2298 g_free (mem: infofile);
2299 g_free (mem: data);
2300
2301 g_free (mem: original_name_escaped);
2302 g_free (mem: trashname);
2303
2304 return TRUE;
2305}
2306#else /* G_OS_WIN32 */
2307gboolean
2308_g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
2309{
2310 return FALSE; /* XXX ??? */
2311}
2312
2313static gboolean
2314g_local_file_trash (GFile *file,
2315 GCancellable *cancellable,
2316 GError **error)
2317{
2318 GLocalFile *local = G_LOCAL_FILE (file);
2319 SHFILEOPSTRUCTW op = {0};
2320 gboolean success;
2321 wchar_t *wfilename;
2322 long len;
2323
2324 wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
2325 /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
2326 wfilename = g_renew (wchar_t, wfilename, len + 2);
2327 wfilename[len + 1] = 0;
2328
2329 op.wFunc = FO_DELETE;
2330 op.pFrom = wfilename;
2331 op.fFlags = FOF_ALLOWUNDO;
2332
2333 success = SHFileOperationW (&op) == 0;
2334
2335 if (success && op.fAnyOperationsAborted)
2336 {
2337 if (cancellable && !g_cancellable_is_cancelled (cancellable))
2338 g_cancellable_cancel (cancellable);
2339 g_set_io_error (error,
2340 _("Unable to trash file %s: %s"),
2341 file, ECANCELED);
2342 success = FALSE;
2343 }
2344 else if (!success)
2345 g_set_io_error (error,
2346 _("Unable to trash file %s"),
2347 file, 0);
2348
2349 g_free (wfilename);
2350 return success;
2351}
2352#endif /* G_OS_WIN32 */
2353
2354static gboolean
2355g_local_file_make_directory (GFile *file,
2356 GCancellable *cancellable,
2357 GError **error)
2358{
2359 GLocalFile *local = G_LOCAL_FILE (file);
2360
2361 if (g_mkdir (path: local->filename, mode: 0777) == -1)
2362 {
2363 int errsv = errno;
2364
2365 if (errsv == EINVAL)
2366 /* This must be an invalid filename, on e.g. FAT */
2367 g_set_error_literal (err: error, G_IO_ERROR,
2368 code: G_IO_ERROR_INVALID_FILENAME,
2369 _("Invalid filename"));
2370 else
2371 g_set_io_error (error,
2372 _("Error creating directory %s: %s"),
2373 file, errsv);
2374 return FALSE;
2375 }
2376
2377 return TRUE;
2378}
2379
2380#ifdef HAVE_SYMLINK
2381static gboolean
2382g_local_file_make_symbolic_link (GFile *file,
2383 const char *symlink_value,
2384 GCancellable *cancellable,
2385 GError **error)
2386{
2387 GLocalFile *local = G_LOCAL_FILE (file);
2388
2389 if (symlink (from: symlink_value, to: local->filename) == -1)
2390 {
2391 int errsv = errno;
2392
2393 if (errsv == EINVAL)
2394 /* This must be an invalid filename, on e.g. FAT */
2395 g_set_error_literal (err: error, G_IO_ERROR,
2396 code: G_IO_ERROR_INVALID_FILENAME,
2397 _("Invalid filename"));
2398 else if (errsv == EPERM)
2399 g_set_error (err: error, G_IO_ERROR,
2400 code: G_IO_ERROR_NOT_SUPPORTED,
2401 _("Filesystem does not support symbolic links"));
2402 else
2403 g_set_io_error (error,
2404 _("Error making symbolic link %s: %s"),
2405 file, errsv);
2406 return FALSE;
2407 }
2408 return TRUE;
2409}
2410#endif
2411
2412static gboolean
2413g_local_file_move (GFile *source,
2414 GFile *destination,
2415 GFileCopyFlags flags,
2416 GCancellable *cancellable,
2417 GFileProgressCallback progress_callback,
2418 gpointer progress_callback_data,
2419 GError **error)
2420{
2421 GLocalFile *local_source, *local_destination;
2422 GStatBuf statbuf;
2423 gboolean destination_exist, source_is_dir;
2424 char *backup_name;
2425 int res;
2426 off_t source_size;
2427 GVfsClass *class;
2428 GVfs *vfs;
2429
2430 if (!G_IS_LOCAL_FILE (source) ||
2431 !G_IS_LOCAL_FILE (destination))
2432 {
2433 /* Fall back to default move */
2434 g_set_error_literal (err: error, G_IO_ERROR, code: G_IO_ERROR_NOT_SUPPORTED, message: "Move not supported");
2435 return FALSE;
2436 }
2437
2438 local_source = G_LOCAL_FILE (source);
2439 local_destination = G_LOCAL_FILE (destination);
2440
2441 res = g_lstat (file: local_source->filename, buf: &statbuf);
2442 if (res == -1)
2443 {
2444 int errsv = errno;
2445
2446 g_set_io_error (error,
2447 _("Error moving file %s: %s"),
2448 file: source, errsv);
2449 return FALSE;
2450 }
2451
2452 source_is_dir = S_ISDIR (statbuf.st_mode);
2453 source_size = statbuf.st_size;
2454
2455 destination_exist = FALSE;
2456 res = g_lstat (file: local_destination->filename, buf: &statbuf);
2457 if (res == 0)
2458 {
2459 destination_exist = TRUE; /* Target file exists */
2460
2461 if (flags & G_FILE_COPY_OVERWRITE)
2462 {
2463 /* Always fail on dirs, even with overwrite */
2464 if (S_ISDIR (statbuf.st_mode))
2465 {
2466 if (source_is_dir)
2467 g_set_error_literal (err: error,
2468 G_IO_ERROR,
2469 code: G_IO_ERROR_WOULD_MERGE,
2470 _("Can’t move directory over directory"));
2471 else
2472 g_set_error_literal (err: error,
2473 G_IO_ERROR,
2474 code: G_IO_ERROR_IS_DIRECTORY,
2475 _("Can’t copy over directory"));
2476 return FALSE;
2477 }
2478 }
2479 else
2480 {
2481 g_set_io_error (error,
2482 _("Error moving file %s: %s"),
2483 file: source, EEXIST);
2484 return FALSE;
2485 }
2486 }
2487
2488 if (flags & G_FILE_COPY_BACKUP && destination_exist)
2489 {
2490 backup_name = g_strconcat (string1: local_destination->filename, "~", NULL);
2491 if (g_rename (old: local_destination->filename, new: backup_name) == -1)
2492 {
2493 g_set_error_literal (err: error,
2494 G_IO_ERROR,
2495 code: G_IO_ERROR_CANT_CREATE_BACKUP,
2496 _("Backup file creation failed"));
2497 g_free (mem: backup_name);
2498 return FALSE;
2499 }
2500 g_free (mem: backup_name);
2501 destination_exist = FALSE; /* It did, but no more */
2502 }
2503
2504 if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
2505 {
2506 /* Source is a dir, destination exists (and is not a dir, because that would have failed
2507 earlier), and we're overwriting. Manually remove the target so we can do the rename. */
2508 res = g_unlink (filename: local_destination->filename);
2509 if (res == -1)
2510 {
2511 int errsv = errno;
2512
2513 g_set_error (err: error, G_IO_ERROR,
2514 code: g_io_error_from_errno (err_no: errsv),
2515 _("Error removing target file: %s"),
2516 g_strerror (errnum: errsv));
2517 return FALSE;
2518 }
2519 }
2520
2521 if (g_rename (old: local_source->filename, new: local_destination->filename) == -1)
2522 {
2523 int errsv = errno;
2524
2525 if (errsv == EXDEV)
2526 /* This will cause the fallback code to run */
2527 g_set_error_literal (err: error, G_IO_ERROR,
2528 code: G_IO_ERROR_NOT_SUPPORTED,
2529 _("Move between mounts not supported"));
2530 else if (errsv == EINVAL)
2531 /* This must be an invalid filename, on e.g. FAT, or
2532 we're trying to move the file into itself...
2533 We return invalid filename for both... */
2534 g_set_error_literal (err: error, G_IO_ERROR,
2535 code: G_IO_ERROR_INVALID_FILENAME,
2536 _("Invalid filename"));
2537 else
2538 g_set_io_error (error,
2539 _("Error moving file %s: %s"),
2540 file: source, errsv);
2541 return FALSE;
2542 }
2543
2544 vfs = g_vfs_get_default ();
2545 class = G_VFS_GET_CLASS (vfs);
2546 if (class->local_file_moved)
2547 class->local_file_moved (vfs, local_source->filename, local_destination->filename);
2548
2549 /* Make sure we send full copied size */
2550 if (progress_callback)
2551 progress_callback (source_size, source_size, progress_callback_data);
2552
2553 return TRUE;
2554}
2555
2556#ifdef G_OS_WIN32
2557
2558gboolean
2559g_local_file_is_nfs_home (const gchar *filename)
2560{
2561 return FALSE;
2562}
2563
2564#else
2565
2566static gboolean
2567is_remote_fs_type (const gchar *fsname)
2568{
2569 if (fsname != NULL)
2570 {
2571 if (strcmp (s1: fsname, s2: "nfs") == 0)
2572 return TRUE;
2573 if (strcmp (s1: fsname, s2: "nfs4") == 0)
2574 return TRUE;
2575 if (strcmp (s1: fsname, s2: "cifs") == 0)
2576 return TRUE;
2577 if (strcmp (s1: fsname, s2: "smb") == 0)
2578 return TRUE;
2579 if (strcmp (s1: fsname, s2: "smb2") == 0)
2580 return TRUE;
2581 }
2582
2583 return FALSE;
2584}
2585
2586gboolean
2587g_local_file_is_nfs_home (const gchar *filename)
2588{
2589 static gboolean remote_home = FALSE;
2590 static gsize initialized;
2591 const gchar *home;
2592
2593 home = g_get_home_dir ();
2594 if (path_has_prefix (path: filename, prefix: home))
2595 {
2596 if (g_once_init_enter (&initialized))
2597 {
2598 GFile *file;
2599 GFileInfo *info;
2600 const gchar *fs_type = NULL;
2601
2602 file = _g_local_file_new (filename: home);
2603 info = g_local_file_query_filesystem_info (file, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, NULL, NULL);
2604 if (info != NULL)
2605 fs_type = g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE);
2606 if (g_strcmp0 (str1: fs_type, str2: "nfs") == 0 || g_strcmp0 (str1: fs_type, str2: "nfs4") == 0)
2607 remote_home = TRUE;
2608 g_clear_object (&info);
2609 g_object_unref (object: file);
2610
2611 g_once_init_leave (&initialized, TRUE);
2612 }
2613 return remote_home;
2614 }
2615
2616 return FALSE;
2617}
2618#endif /* !G_OS_WIN32 */
2619
2620static GFileMonitor*
2621g_local_file_monitor_dir (GFile *file,
2622 GFileMonitorFlags flags,
2623 GCancellable *cancellable,
2624 GError **error)
2625{
2626 GLocalFile *local_file = G_LOCAL_FILE (file);
2627
2628 return g_local_file_monitor_new_for_path (pathname: local_file->filename, TRUE, flags, error);
2629}
2630
2631static GFileMonitor*
2632g_local_file_monitor_file (GFile *file,
2633 GFileMonitorFlags flags,
2634 GCancellable *cancellable,
2635 GError **error)
2636{
2637 GLocalFile *local_file = G_LOCAL_FILE (file);
2638
2639 return g_local_file_monitor_new_for_path (pathname: local_file->filename, FALSE, flags, error);
2640}
2641
2642/* Here is the GLocalFile implementation of g_file_measure_disk_usage().
2643 *
2644 * If available, we use fopenat() in preference to filenames for
2645 * efficiency and safety reasons. We know that fopenat() is available
2646 * based on if AT_FDCWD is defined. POSIX guarantees that this will be
2647 * defined as a macro.
2648 *
2649 * We use a linked list of stack-allocated GSList nodes in order to be
2650 * able to reconstruct the filename for error messages. We actually
2651 * pass the filename to operate on through the top node of the list.
2652 *
2653 * In case we're using openat(), this top filename will be a basename
2654 * which should be opened in the directory which has also had its fd
2655 * passed along. If we're not using openat() then it will be a full
2656 * absolute filename.
2657 */
2658
2659static gboolean
2660g_local_file_measure_size_error (GFileMeasureFlags flags,
2661 gint saved_errno,
2662 GSList *name,
2663 GError **error)
2664{
2665 /* Only report an error if we were at the toplevel or if the caller
2666 * requested reporting of all errors.
2667 */
2668 if ((name->next == NULL) || (flags & G_FILE_MEASURE_REPORT_ANY_ERROR))
2669 {
2670 GString *filename;
2671 GSList *node;
2672
2673 /* Skip some work if there is no error return */
2674 if (!error)
2675 return FALSE;
2676
2677#ifdef AT_FDCWD
2678 /* If using openat() we need to rebuild the filename for the message */
2679 filename = g_string_new (init: name->data);
2680 for (node = name->next; node; node = node->next)
2681 {
2682 gchar *utf8;
2683
2684 g_string_prepend_c (string: filename, G_DIR_SEPARATOR);
2685 utf8 = g_filename_display_name (filename: node->data);
2686 g_string_prepend (string: filename, val: utf8);
2687 g_free (mem: utf8);
2688 }
2689#else
2690 {
2691 gchar *utf8;
2692
2693 /* Otherwise, we already have it, so just use it. */
2694 node = name;
2695 filename = g_string_new (NULL);
2696 utf8 = g_filename_display_name (node->data);
2697 g_string_append (filename, utf8);
2698 g_free (utf8);
2699 }
2700#endif
2701
2702 g_set_error (err: error, G_IO_ERROR, code: g_io_error_from_errno (err_no: saved_errno),
2703 _("Could not determine the disk usage of %s: %s"),
2704 filename->str, g_strerror (errnum: saved_errno));
2705
2706 g_string_free (string: filename, TRUE);
2707
2708 return FALSE;
2709 }
2710
2711 else
2712 /* We're not reporting this error... */
2713 return TRUE;
2714}
2715
2716typedef struct
2717{
2718 GFileMeasureFlags flags;
2719 dev_t contained_on;
2720 GCancellable *cancellable;
2721
2722 GFileMeasureProgressCallback progress_callback;
2723 gpointer progress_data;
2724
2725 guint64 disk_usage;
2726 guint64 num_dirs;
2727 guint64 num_files;
2728
2729 guint64 last_progress_report;
2730} MeasureState;
2731
2732static gboolean
2733g_local_file_measure_size_of_contents (gint fd,
2734 GSList *dir_name,
2735 MeasureState *state,
2736 GError **error);
2737
2738static gboolean
2739g_local_file_measure_size_of_file (gint parent_fd,
2740 GSList *name,
2741 MeasureState *state,
2742 GError **error)
2743{
2744 GLocalFileStat buf;
2745
2746 if (g_cancellable_set_error_if_cancelled (cancellable: state->cancellable, error))
2747 return FALSE;
2748
2749#if defined (AT_FDCWD)
2750 if (g_local_file_fstatat (fd: parent_fd, path: name->data, AT_SYMLINK_NOFOLLOW,
2751 G_LOCAL_FILE_STAT_FIELD_BASIC_STATS,
2752 G_LOCAL_FILE_STAT_FIELD_ALL & (~G_LOCAL_FILE_STAT_FIELD_ATIME),
2753 stat_buf: &buf) != 0)
2754 {
2755 int errsv = errno;
2756 return g_local_file_measure_size_error (flags: state->flags, saved_errno: errsv, name, error);
2757 }
2758#elif defined (HAVE_LSTAT) || !defined (G_OS_WIN32)
2759 if (g_lstat (name->data, &buf) != 0)
2760 {
2761 int errsv = errno;
2762 return g_local_file_measure_size_error (state->flags, errsv, name, error);
2763 }
2764#else /* !AT_FDCWD && !HAVE_LSTAT && G_OS_WIN32 */
2765 if (GLIB_PRIVATE_CALL (g_win32_lstat_utf8) (name->data, &buf) != 0)
2766 {
2767 int errsv = errno;
2768 return g_local_file_measure_size_error (state->flags, errsv, name, error);
2769 }
2770#endif
2771
2772 if (name->next)
2773 {
2774 /* If not at the toplevel, check for a device boundary. */
2775
2776 if (state->flags & G_FILE_MEASURE_NO_XDEV)
2777 if (state->contained_on != _g_stat_dev (buf: &buf))
2778 return TRUE;
2779 }
2780 else
2781 {
2782 /* If, however, this is the toplevel, set the device number so
2783 * that recursive invocations can compare against it.
2784 */
2785 state->contained_on = _g_stat_dev (buf: &buf);
2786 }
2787
2788#if defined (G_OS_WIN32)
2789 if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2790 state->disk_usage += buf.allocated_size;
2791 else
2792#elif defined (HAVE_STRUCT_STAT_ST_BLOCKS)
2793 if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2794 state->disk_usage += _g_stat_blocks (buf: &buf) * G_GUINT64_CONSTANT (512);
2795 else
2796#endif
2797 state->disk_usage += _g_stat_size (buf: &buf);
2798
2799 if (S_ISDIR (_g_stat_mode (&buf)))
2800 state->num_dirs++;
2801 else
2802 state->num_files++;
2803
2804 if (state->progress_callback)
2805 {
2806 /* We could attempt to do some cleverness here in order to avoid
2807 * calling clock_gettime() so much, but we're doing stats and opens
2808 * all over the place already...
2809 */
2810 if (state->last_progress_report)
2811 {
2812 guint64 now;
2813
2814 now = g_get_monotonic_time ();
2815
2816 if (state->last_progress_report + 200 * G_TIME_SPAN_MILLISECOND < now)
2817 {
2818 (* state->progress_callback) (TRUE,
2819 state->disk_usage, state->num_dirs, state->num_files,
2820 state->progress_data);
2821 state->last_progress_report = now;
2822 }
2823 }
2824 else
2825 {
2826 /* We must do an initial report to inform that more reports
2827 * will be coming.
2828 */
2829 (* state->progress_callback) (TRUE, 0, 0, 0, state->progress_data);
2830 state->last_progress_report = g_get_monotonic_time ();
2831 }
2832 }
2833
2834 if (S_ISDIR (_g_stat_mode (&buf)))
2835 {
2836 int dir_fd = -1;
2837#ifdef AT_FDCWD
2838 int errsv;
2839#endif
2840
2841 if (g_cancellable_set_error_if_cancelled (cancellable: state->cancellable, error))
2842 return FALSE;
2843
2844#ifdef AT_FDCWD
2845#ifdef HAVE_OPEN_O_DIRECTORY
2846 dir_fd = openat (fd: parent_fd, file: name->data, O_RDONLY|O_DIRECTORY);
2847#else
2848 dir_fd = openat (parent_fd, name->data, O_RDONLY);
2849#endif
2850 errsv = errno;
2851 if (dir_fd < 0)
2852 return g_local_file_measure_size_error (flags: state->flags, saved_errno: errsv, name, error);
2853#endif
2854
2855 if (!g_local_file_measure_size_of_contents (fd: dir_fd, dir_name: name, state, error))
2856 return FALSE;
2857 }
2858
2859 return TRUE;
2860}
2861
2862static gboolean
2863g_local_file_measure_size_of_contents (gint fd,
2864 GSList *dir_name,
2865 MeasureState *state,
2866 GError **error)
2867{
2868 gboolean success = TRUE;
2869 const gchar *name;
2870 GDir *dir;
2871 gint saved_errno;
2872
2873#ifdef AT_FDCWD
2874 {
2875 /* If this fails, we want to preserve the errno from fdopendir() */
2876 DIR *dirp;
2877 dirp = fdopendir (fd: fd);
2878 saved_errno = errno;
2879 dir = dirp ? GLIB_PRIVATE_CALL(g_dir_new_from_dirp) (dirp) : NULL;
2880 g_assert ((dirp == NULL) == (dir == NULL));
2881 }
2882#else
2883 dir = GLIB_PRIVATE_CALL(g_dir_open_with_errno) (dir_name->data, 0);
2884 saved_errno = errno;
2885#endif
2886
2887 if (dir == NULL)
2888 {
2889#ifdef AT_FDCWD
2890 close (fd: fd);
2891#endif
2892
2893 return g_local_file_measure_size_error (flags: state->flags, saved_errno, name: dir_name, error);
2894 }
2895
2896 while (success && (name = g_dir_read_name (dir)))
2897 {
2898 GSList node;
2899
2900 node.next = dir_name;
2901#ifdef AT_FDCWD
2902 node.data = (gchar *) name;
2903#else
2904 node.data = g_build_filename (dir_name->data, name, NULL);
2905#endif
2906
2907 success = g_local_file_measure_size_of_file (parent_fd: fd, name: &node, state, error);
2908
2909#ifndef AT_FDCWD
2910 g_free (node.data);
2911#endif
2912 }
2913
2914 g_dir_close (dir);
2915
2916 return success;
2917}
2918
2919static gboolean
2920g_local_file_measure_disk_usage (GFile *file,
2921 GFileMeasureFlags flags,
2922 GCancellable *cancellable,
2923 GFileMeasureProgressCallback progress_callback,
2924 gpointer progress_data,
2925 guint64 *disk_usage,
2926 guint64 *num_dirs,
2927 guint64 *num_files,
2928 GError **error)
2929{
2930 GLocalFile *local_file = G_LOCAL_FILE (file);
2931 MeasureState state = { 0, };
2932 gint root_fd = -1;
2933 GSList node;
2934
2935 state.flags = flags;
2936 state.cancellable = cancellable;
2937 state.progress_callback = progress_callback;
2938 state.progress_data = progress_data;
2939
2940#ifdef AT_FDCWD
2941 root_fd = AT_FDCWD;
2942#endif
2943
2944 node.data = local_file->filename;
2945 node.next = NULL;
2946
2947 if (!g_local_file_measure_size_of_file (parent_fd: root_fd, name: &node, state: &state, error))
2948 return FALSE;
2949
2950 if (disk_usage)
2951 *disk_usage = state.disk_usage;
2952
2953 if (num_dirs)
2954 *num_dirs = state.num_dirs;
2955
2956 if (num_files)
2957 *num_files = state.num_files;
2958
2959 return TRUE;
2960}
2961
2962static void
2963g_local_file_file_iface_init (GFileIface *iface)
2964{
2965 iface->dup = g_local_file_dup;
2966 iface->hash = g_local_file_hash;
2967 iface->equal = g_local_file_equal;
2968 iface->is_native = g_local_file_is_native;
2969 iface->has_uri_scheme = g_local_file_has_uri_scheme;
2970 iface->get_uri_scheme = g_local_file_get_uri_scheme;
2971 iface->get_basename = g_local_file_get_basename;
2972 iface->get_path = g_local_file_get_path;
2973 iface->get_uri = g_local_file_get_uri;
2974 iface->get_parse_name = g_local_file_get_parse_name;
2975 iface->get_parent = g_local_file_get_parent;
2976 iface->prefix_matches = g_local_file_prefix_matches;
2977 iface->get_relative_path = g_local_file_get_relative_path;
2978 iface->resolve_relative_path = g_local_file_resolve_relative_path;
2979 iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2980 iface->set_display_name = g_local_file_set_display_name;
2981 iface->enumerate_children = g_local_file_enumerate_children;
2982 iface->query_info = g_local_file_query_info;
2983 iface->query_filesystem_info = g_local_file_query_filesystem_info;
2984 iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2985 iface->query_settable_attributes = g_local_file_query_settable_attributes;
2986 iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2987 iface->set_attribute = g_local_file_set_attribute;
2988 iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2989 iface->read_fn = g_local_file_read;
2990 iface->append_to = g_local_file_append_to;
2991 iface->create = g_local_file_create;
2992 iface->replace = g_local_file_replace;
2993 iface->open_readwrite = g_local_file_open_readwrite;
2994 iface->create_readwrite = g_local_file_create_readwrite;
2995 iface->replace_readwrite = g_local_file_replace_readwrite;
2996 iface->delete_file = g_local_file_delete;
2997 iface->trash = g_local_file_trash;
2998 iface->make_directory = g_local_file_make_directory;
2999#ifdef HAVE_SYMLINK
3000 iface->make_symbolic_link = g_local_file_make_symbolic_link;
3001#endif
3002 iface->move = g_local_file_move;
3003 iface->monitor_dir = g_local_file_monitor_dir;
3004 iface->monitor_file = g_local_file_monitor_file;
3005 iface->measure_disk_usage = g_local_file_measure_disk_usage;
3006
3007 iface->supports_thread_contexts = TRUE;
3008}
3009

source code of gtk/subprojects/glib/gio/glocalfile.c