gio/glocalfile.c

   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 "glocalfileprivate.h"
  55 #include "glocalfileinfo.h"
  56 #include "glocalfileenumerator.h"
  57 #include "glocalfileinputstream.h"
  58 #include "glocalfileoutputstream.h"
  59 #include "glocalfileiostream.h"
  60 #include "glocalfilemonitor.h"
  61 #include "gmountprivate.h"
  62 #include "gunixmounts.h"
  63 #include "gioerror.h"
  64 #include <glib/gstdio.h>
  65 #include <glib/gstdioprivate.h>
  66 #include "glibintl.h"
  67 #ifdef G_OS_UNIX
  68 #include "glib-unix.h"
  69 #endif
  70
  71 #include "glib-private.h"
  72
  73 #ifdef G_OS_WIN32
  74 #include <windows.h>
  75 #include <io.h>
  76 #include <direct.h>
  77
  78 #ifndef FILE_READ_ONLY_VOLUME
  79 #define FILE_READ_ONLY_VOLUME           0x00080000
  80 #endif
  81
  82 #ifndef S_ISDIR
  83 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
  84 #endif
  85 #ifndef S_ISLNK
  86 #define S_ISLNK(m) (0)
  87 #endif
  88
  89 #ifndef ECANCELED
  90 #define ECANCELED 105
  91 #endif
  92 #endif
  93
  94
  95 static void g_local_file_file_iface_init (GFileIface *iface);
  96
  97 static GFileAttributeInfoList *local_writable_attributes = NULL;
  98 static /* GFileAttributeInfoList * */ gsize local_writable_namespaces = 0;
  99
 100 struct _GLocalFile
 101 {
 102   GObject parent_instance;
 103
 104   char *filename;
 105 };
 106
 107 #define g_local_file_get_type _g_local_file_get_type
 108 G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
 109                          G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
 110                                                 g_local_file_file_iface_init))
 111
 112 static char *find_mountpoint_for (const char *file, dev_t dev);
 113
 114 static void
 115 g_local_file_finalize (GObject *object)
 116 {
 117   GLocalFile *local;
 118
 119   local = G_LOCAL_FILE (object);
 120
 121   g_free (local->filename);
 122
 123   G_OBJECT_CLASS (g_local_file_parent_class)->finalize (object);
 124 }
 125
 126 static void
 127 g_local_file_class_init (GLocalFileClass *klass)
 128 {
 129   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 130   GFileAttributeInfoList *list;
 131
 132   gobject_class->finalize = g_local_file_finalize;
 133
 134   /* Set up attribute lists */
 135
 136   /* Writable attributes: */
 137
 138   list = g_file_attribute_info_list_new ();
 139
 140   g_file_attribute_info_list_add (list,
 141                                   G_FILE_ATTRIBUTE_UNIX_MODE,
 142                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 143                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 144                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 145
 146 #ifdef G_OS_UNIX
 147   g_file_attribute_info_list_add (list,
 148                                   G_FILE_ATTRIBUTE_UNIX_UID,
 149                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 150                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 151   g_file_attribute_info_list_add (list,
 152                                   G_FILE_ATTRIBUTE_UNIX_GID,
 153                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 154                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 155 #endif
 156
 157 #ifdef HAVE_SYMLINK
 158   g_file_attribute_info_list_add (list,
 159                                   G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
 160                                   G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
 161                                   0);
 162 #endif
 163
 164 #ifdef HAVE_UTIMES
 165   g_file_attribute_info_list_add (list,
 166                                   G_FILE_ATTRIBUTE_TIME_MODIFIED,
 167                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 168                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 169                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 170   g_file_attribute_info_list_add (list,
 171                                   G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
 172                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 173                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 174                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 175   /* When copying, the target file is accessed. Replicating
 176    * the source access time does not make sense in this case.
 177    */
 178   g_file_attribute_info_list_add (list,
 179                                   G_FILE_ATTRIBUTE_TIME_ACCESS,
 180                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 181                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 182   g_file_attribute_info_list_add (list,
 183                                   G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
 184                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 185                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 186 #endif
 187
 188   local_writable_attributes = list;
 189 }
 190
 191 static void
 192 g_local_file_init (GLocalFile *local)
 193 {
 194 }
 195
 196 const char *
 197 _g_local_file_get_filename (GLocalFile *file)
 198 {
 199   return file->filename;
 200 }
 201
 202 static char *
 203 canonicalize_filename (const char *filename)
 204 {
 205   char *canon, *start, *p, *q;
 206   char *cwd;
 207   int i;
 208
 209   if (!g_path_is_absolute (filename))
 210     {
 211       cwd = g_get_current_dir ();
 212       canon = g_build_filename (cwd, filename, NULL);
 213       g_free (cwd);
 214     }
 215   else
 216     canon = g_strdup (filename);
 217
 218   start = (char *)g_path_skip_root (canon);
 219
 220   if (start == NULL)
 221     {
 222       /* This shouldn't really happen, as g_get_current_dir() should
 223          return an absolute pathname, but bug 573843 shows this is
 224          not always happening */
 225       g_free (canon);
 226       return g_build_filename (G_DIR_SEPARATOR_S, filename, NULL);
 227     }
 228
 229   /* POSIX allows double slashes at the start to
 230    * mean something special (as does windows too).
 231    * So, "//" != "/", but more than two slashes
 232    * is treated as "/".
 233    */
 234   i = 0;
 235   for (p = start - 1;
 236        (p >= canon) &&
 237          G_IS_DIR_SEPARATOR (*p);
 238        p--)
 239     i++;
 240   if (i > 2)
 241     {
 242       i -= 1;
 243       start -= i;
 244       memmove (start, start+i, strlen (start+i)+1);
 245     }
 246
 247   /* Make sure we're using the canonical dir separator */
 248   p++;
 249   while (p < start && G_IS_DIR_SEPARATOR (*p))
 250     *p++ = G_DIR_SEPARATOR;
 251
 252   p = start;
 253   while (*p != 0)
 254     {
 255       if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
 256         {
 257           memmove (p, p+1, strlen (p+1)+1);
 258         }
 259       else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
 260         {
 261           q = p + 2;
 262           /* Skip previous separator */
 263           p = p - 2;
 264           if (p < start)
 265             p = start;
 266           while (p > start && !G_IS_DIR_SEPARATOR (*p))
 267             p--;
 268           if (G_IS_DIR_SEPARATOR (*p))
 269             *p++ = G_DIR_SEPARATOR;
 270           memmove (p, q, strlen (q)+1);
 271         }
 272       else
 273         {
 274           /* Skip until next separator */
 275           while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
 276             p++;
 277
 278           if (*p != 0)
 279             {
 280               /* Canonicalize one separator */
 281               *p++ = G_DIR_SEPARATOR;
 282             }
 283         }
 284
 285       /* Remove additional separators */
 286       q = p;
 287       while (*q && G_IS_DIR_SEPARATOR (*q))
 288         q++;
 289
 290       if (p != q)
 291         memmove (p, q, strlen (q)+1);
 292     }
 293
 294   /* Remove trailing slashes */
 295   if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
 296     *(p-1) = 0;
 297
 298   return canon;
 299 }
 300
 301 GFile *
 302 _g_local_file_new (const char *filename)
 303 {
 304   GLocalFile *local;
 305
 306   local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
 307   local->filename = canonicalize_filename (filename);
 308
 309   return G_FILE (local);
 310 }
 311
 312 /*< internal >
 313  * g_local_file_new_from_dirname_and_basename:
 314  * @dirname: an absolute, canonical directory name
 315  * @basename: the name of a child inside @dirname
 316  *
 317  * Creates a #GFile from @dirname and @basename.
 318  *
 319  * This is more efficient than pasting the fields together for yourself
 320  * and creating a #GFile from the result, and also more efficient than
 321  * creating a #GFile for the dirname and using g_file_get_child().
 322  *
 323  * @dirname must be canonical, as per GLocalFile's opinion of what
 324  * canonical means.  This means that you should only pass strings that
 325  * were returned by _g_local_file_get_filename().
 326  *
 327  * Returns: a #GFile
 328  */
 329 GFile *
 330 g_local_file_new_from_dirname_and_basename (const gchar *dirname,
 331                                             const gchar *basename)
 332 {
 333   GLocalFile *local;
 334
 335   g_return_val_if_fail (dirname != NULL, NULL);
 336   g_return_val_if_fail (basename && basename[0] && !strchr (basename, '/'), NULL);
 337
 338   local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
 339   local->filename = g_build_filename (dirname, basename, NULL);
 340
 341   return G_FILE (local);
 342 }
 343
 344 static gboolean
 345 g_local_file_is_native (GFile *file)
 346 {
 347   return TRUE;
 348 }
 349
 350 static gboolean
 351 g_local_file_has_uri_scheme (GFile      *file,
 352                              const char *uri_scheme)
 353 {
 354   return g_ascii_strcasecmp (uri_scheme, "file") == 0;
 355 }
 356
 357 static char *
 358 g_local_file_get_uri_scheme (GFile *file)
 359 {
 360   return g_strdup ("file");
 361 }
 362
 363 static char *
 364 g_local_file_get_basename (GFile *file)
 365 {
 366   return g_path_get_basename (G_LOCAL_FILE (file)->filename);
 367 }
 368
 369 static char *
 370 g_local_file_get_path (GFile *file)
 371 {
 372   return g_strdup (G_LOCAL_FILE (file)->filename);
 373 }
 374
 375 static char *
 376 g_local_file_get_uri (GFile *file)
 377 {
 378   return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
 379 }
 380
 381 static gboolean
 382 get_filename_charset (const gchar **filename_charset)
 383 {
 384   const gchar **charsets;
 385   gboolean is_utf8;
 386
 387   is_utf8 = g_get_filename_charsets (&charsets);
 388
 389   if (filename_charset)
 390     *filename_charset = charsets[0];
 391
 392   return is_utf8;
 393 }
 394
 395 static gboolean
 396 name_is_valid_for_display (const char *string,
 397                            gboolean    is_valid_utf8)
 398 {
 399   char c;
 400
 401   if (!is_valid_utf8 &&
 402       !g_utf8_validate (string, -1, NULL))
 403     return FALSE;
 404
 405   while ((c = *string++) != 0)
 406     {
 407       if (g_ascii_iscntrl (c))
 408         return FALSE;
 409     }
 410
 411   return TRUE;
 412 }
 413
 414 static char *
 415 g_local_file_get_parse_name (GFile *file)
 416 {
 417   const char *filename;
 418   char *parse_name;
 419   const gchar *charset;
 420   char *utf8_filename;
 421   char *roundtripped_filename;
 422   gboolean free_utf8_filename;
 423   gboolean is_valid_utf8;
 424   char *escaped_path;
 425
 426   filename = G_LOCAL_FILE (file)->filename;
 427   if (get_filename_charset (&charset))
 428     {
 429       utf8_filename = (char *)filename;
 430       free_utf8_filename = FALSE;
 431       is_valid_utf8 = FALSE; /* Can't guarantee this */
 432     }
 433   else
 434     {
 435       utf8_filename = g_convert (filename, -1,
 436                                  "UTF-8", charset, NULL, NULL, NULL);
 437       free_utf8_filename = TRUE;
 438       is_valid_utf8 = TRUE;
 439
 440       if (utf8_filename != NULL)
 441         {
 442           /* Make sure we can roundtrip: */
 443           roundtripped_filename = g_convert (utf8_filename, -1,
 444                                              charset, "UTF-8", NULL, NULL, NULL);
 445
 446           if (roundtripped_filename == NULL ||
 447               strcmp (filename, roundtripped_filename) != 0)
 448             {
 449               g_free (utf8_filename);
 450               utf8_filename = NULL;
 451             }
 452
 453           g_free (roundtripped_filename);
 454         }
 455     }
 456
 457   if (utf8_filename != NULL &&
 458       name_is_valid_for_display (utf8_filename, is_valid_utf8))
 459     {
 460       if (free_utf8_filename)
 461         parse_name = utf8_filename;
 462       else
 463         parse_name = g_strdup (utf8_filename);
 464     }
 465   else
 466     {
 467 #ifdef G_OS_WIN32
 468       char *dup_filename, *p, *backslash;
 469
 470       /* Turn backslashes into forward slashes like
 471        * g_filename_to_uri() would do (but we can't use that because
 472        * it doesn't output IRIs).
 473        */
 474       dup_filename = g_strdup (filename);
 475       filename = p = dup_filename;
 476
 477       while ((backslash = strchr (p, '\\')) != NULL)
 478         {
 479           *backslash = '/';
 480           p = backslash + 1;
 481         }
 482 #endif
 483
 484       escaped_path = g_uri_escape_string (filename,
 485                                           G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
 486                                           TRUE);
 487       parse_name = g_strconcat ("file://",
 488                                 (*escaped_path != '/') ? "/" : "",
 489                                 escaped_path,
 490                                 NULL);
 491
 492       g_free (escaped_path);
 493 #ifdef G_OS_WIN32
 494       g_free (dup_filename);
 495 #endif
 496       if (free_utf8_filename)
 497         g_free (utf8_filename);
 498     }
 499
 500   return parse_name;
 501 }
 502
 503 static GFile *
 504 g_local_file_get_parent (GFile *file)
 505 {
 506   GLocalFile *local = G_LOCAL_FILE (file);
 507   const char *non_root;
 508   char *dirname;
 509   GFile *parent;
 510
 511   /* Check for root; local->filename is guaranteed to be absolute, so
 512    * g_path_skip_root() should never return NULL. */
 513   non_root = g_path_skip_root (local->filename);
 514   g_assert (non_root != NULL);
 515
 516   if (*non_root == 0)
 517     return NULL;
 518
 519   dirname = g_path_get_dirname (local->filename);
 520   parent = _g_local_file_new (dirname);
 521   g_free (dirname);
 522   return parent;
 523 }
 524
 525 static GFile *
 526 g_local_file_dup (GFile *file)
 527 {
 528   GLocalFile *local = G_LOCAL_FILE (file);
 529
 530   return _g_local_file_new (local->filename);
 531 }
 532
 533 static guint
 534 g_local_file_hash (GFile *file)
 535 {
 536   GLocalFile *local = G_LOCAL_FILE (file);
 537
 538   return g_str_hash (local->filename);
 539 }
 540
 541 static gboolean
 542 g_local_file_equal (GFile *file1,
 543                     GFile *file2)
 544 {
 545   GLocalFile *local1 = G_LOCAL_FILE (file1);
 546   GLocalFile *local2 = G_LOCAL_FILE (file2);
 547
 548   return g_str_equal (local1->filename, local2->filename);
 549 }
 550
 551 static const char *
 552 match_prefix (const char *path,
 553               const char *prefix)
 554 {
 555   int prefix_len;
 556
 557   prefix_len = strlen (prefix);
 558   if (strncmp (path, prefix, prefix_len) != 0)
 559     return NULL;
 560
 561   /* Handle the case where prefix is the root, so that
 562    * the IS_DIR_SEPRARATOR check below works */
 563   if (prefix_len > 0 &&
 564       G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
 565     prefix_len--;
 566
 567   return path + prefix_len;
 568 }
 569
 570 static gboolean
 571 g_local_file_prefix_matches (GFile *parent,
 572                              GFile *descendant)
 573 {
 574   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 575   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 576   const char *remainder;
 577
 578   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 579   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 580     return TRUE;
 581   return FALSE;
 582 }
 583
 584 static char *
 585 g_local_file_get_relative_path (GFile *parent,
 586                                 GFile *descendant)
 587 {
 588   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 589   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 590   const char *remainder;
 591
 592   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 593
 594   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 595     return g_strdup (remainder + 1);
 596   return NULL;
 597 }
 598
 599 static GFile *
 600 g_local_file_resolve_relative_path (GFile      *file,
 601                                     const char *relative_path)
 602 {
 603   GLocalFile *local = G_LOCAL_FILE (file);
 604   char *filename;
 605   GFile *child;
 606
 607   if (g_path_is_absolute (relative_path))
 608     return _g_local_file_new (relative_path);
 609
 610   filename = g_build_filename (local->filename, relative_path, NULL);
 611   child = _g_local_file_new (filename);
 612   g_free (filename);
 613
 614   return child;
 615 }
 616
 617 static GFileEnumerator *
 618 g_local_file_enumerate_children (GFile                *file,
 619                                  const char           *attributes,
 620                                  GFileQueryInfoFlags   flags,
 621                                  GCancellable         *cancellable,
 622                                  GError              **error)
 623 {
 624   GLocalFile *local = G_LOCAL_FILE (file);
 625   return _g_local_file_enumerator_new (local,
 626                                        attributes, flags,
 627                                        cancellable, error);
 628 }
 629
 630 static GFile *
 631 g_local_file_get_child_for_display_name (GFile        *file,
 632                                          const char   *display_name,
 633                                          GError      **error)
 634 {
 635   GFile *new_file;
 636   char *basename;
 637
 638   basename = g_filename_from_utf8 (display_name, -1, NULL, NULL, NULL);
 639   if (basename == NULL)
 640     {
 641       g_set_error (error, G_IO_ERROR,
 642                    G_IO_ERROR_INVALID_FILENAME,
 643                    _("Invalid filename %s"), display_name);
 644       return NULL;
 645     }
 646
 647   new_file = g_file_get_child (file, basename);
 648   g_free (basename);
 649
 650   return new_file;
 651 }
 652
 653 #if defined(USE_STATFS) && !defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
 654 static const char *
 655 get_fs_type (long f_type)
 656 {
 657   /* filesystem ids taken from linux manpage */
 658   switch (f_type)
 659     {
 660     case 0xadf5:
 661       return "adfs";
 662     case 0x5346414f:
 663       return "afs";
 664     case 0x0187:
 665       return "autofs";
 666     case 0xADFF:
 667       return "affs";
 668     case 0x62646576:
 669       return "bdevfs";
 670     case 0x42465331:
 671       return "befs";
 672     case 0x1BADFACE:
 673       return "bfs";
 674     case 0x42494e4d:
 675       return "binfmt_misc";
 676     case 0x9123683E:
 677       return "btrfs";
 678     case 0x73727279:
 679       return "btrfs_test_fs";
 680     case 0x27e0eb:
 681       return "cgroup";
 682     case 0x63677270:
 683       return "cgroup2";
 684     case 0xFF534D42:
 685       return "cifs";
 686     case 0x73757245:
 687       return "coda";
 688     case 0x012FF7B7:
 689       return "coh";
 690     case 0x62656570:
 691       return "configfs";
 692     case 0x28cd3d45:
 693       return "cramfs";
 694     case 0x64626720:
 695       return "debugfs";
 696     case 0x1373:
 697       return "devfs";
 698     case 0x1cd1:
 699       return "devpts";
 700     case 0xf15f:
 701       return "ecryptfs";
 702     case 0xde5e81e4:
 703       return "efivarfs";
 704     case 0x00414A53:
 705       return "efs";
 706     case 0x137D:
 707       return "ext";
 708     case 0xEF51:
 709       return "ext2";
 710     case 0xEF53:
 711       return "ext3/ext4";
 712     case 0xF2F52010:
 713       return "f2fs";
 714     case 0x65735546:
 715       return "fuse";
 716     case 0x65735543:
 717       return "fusectl";
 718     case 0xBAD1DEA:
 719       return "futexfs";
 720     case 0x4244:
 721       return "hfs";
 722     case 0x00c0ffee:
 723       return "hostfs";
 724     case 0xF995E849:
 725       return "hpfs";
 726     case 0x958458f6:
 727       return "hugetlbfs";
 728     case 0x9660:
 729       return "isofs";
 730     case 0x72b6:
 731       return "jffs2";
 732     case 0x3153464a:
 733       return "jfs";
 734     case 0x137F:
 735       return "minix";
 736     case 0x138F:
 737       return "minix2";
 738     case 0x2468:
 739       return "minix2";
 740     case 0x2478:
 741       return "minix22";
 742     case 0x4d5a:
 743       return "minix3";
 744     case 0x19800202:
 745       return "mqueue";
 746     case 0x4d44:
 747       return "msdos";
 748     case 0x564c:
 749       return "ncp";
 750     case 0x6969:
 751       return "nfs";
 752     case 0x3434:
 753       return "nilfs";
 754     case 0x6e736673:
 755       return "nsfs";
 756     case 0x5346544e:
 757       return "ntfs";
 758     case 0x7461636f:
 759       return "ocfs2";
 760     case 0x9fa1:
 761       return "openprom";
 762     case 0x794c7630:
 763       return "overlay";
 764     case 0x50495045:
 765       return "pipefs";
 766     case 0x9fa0:
 767       return "proc";
 768     case 0x6165676C:
 769       return "pstore";
 770     case 0x002f:
 771       return "qnx4";
 772     case 0x68191122:
 773       return "qnx6";
 774     case 0x858458f6:
 775       return "ramfs";
 776     case 0x52654973:
 777       return "reiserfs";
 778     case 0x7275:
 779       return "romfs";
 780     case 0x67596969:
 781       return "rpc_pipefs";
 782     case 0x73636673:
 783       return "securityfs";
 784     case 0xf97cff8c:
 785       return "selinuxfs";
 786     case 0x43415d53:
 787       return "smackfs";
 788     case 0x517B:
 789       return "smb";
 790     case 0x534F434B:
 791       return "sockfs";
 792     case 0x73717368:
 793       return "squashfs";
 794     case 0x62656572:
 795       return "sysfs";
 796     case 0x012FF7B6:
 797       return "sysv2";
 798     case 0x012FF7B5:
 799       return "sysv4";
 800     case 0x01021994:
 801       return "tmpfs";
 802     case 0x74726163:
 803       return "tracefs";
 804     case 0x15013346:
 805       return "udf";
 806     case 0x00011954:
 807       return "ufs";
 808     case 0x9fa2:
 809       return "usbdevice";
 810     case 0x01021997:
 811       return "v9fs";
 812     case 0xa501FCF5:
 813       return "vxfs";
 814     case 0xabba1974:
 815       return "xenfs";
 816     case 0x012FF7B4:
 817       return "xenix";
 818     case 0x58465342:
 819       return "xfs";
 820     case 0x012FD16D:
 821       return "xiafs";
 822     case 0x52345362:
 823       return "reiser4";
 824     default:
 825       return NULL;
 826     }
 827 }
 828 #endif
 829
 830 #ifndef G_OS_WIN32
 831
 832 G_LOCK_DEFINE_STATIC(mount_info_hash);
 833 static GHashTable *mount_info_hash = NULL;
 834 static guint64 mount_info_hash_cache_time = 0;
 835
 836 typedef enum {
 837   MOUNT_INFO_READONLY = 1<<0
 838 } MountInfo;
 839
 840 static gboolean
 841 device_equal (gconstpointer v1,
 842               gconstpointer v2)
 843 {
 844   return *(dev_t *)v1 == *(dev_t *)v2;
 845 }
 846
 847 static guint
 848 device_hash (gconstpointer v)
 849 {
 850   return (guint) *(dev_t *)v;
 851 }
 852
 853 static void
 854 get_mount_info (GFileInfo             *fs_info,
 855                 const char            *path,
 856                 GFileAttributeMatcher *matcher)
 857 {
 858   GStatBuf buf;
 859   gboolean got_info;
 860   gpointer info_as_ptr;
 861   guint mount_info;
 862   char *mountpoint;
 863   dev_t *dev;
 864   GUnixMountEntry *mount;
 865   guint64 cache_time;
 866
 867   if (g_lstat (path, &buf) != 0)
 868     return;
 869
 870   G_LOCK (mount_info_hash);
 871
 872   if (mount_info_hash == NULL)
 873     mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
 874                                              g_free, NULL);
 875
 876
 877   if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
 878     g_hash_table_remove_all (mount_info_hash);
 879
 880   got_info = g_hash_table_lookup_extended (mount_info_hash,
 881                                            &buf.st_dev,
 882                                            NULL,
 883                                            &info_as_ptr);
 884
 885   G_UNLOCK (mount_info_hash);
 886
 887   mount_info = GPOINTER_TO_UINT (info_as_ptr);
 888
 889   if (!got_info)
 890     {
 891       mount_info = 0;
 892
 893       mountpoint = find_mountpoint_for (path, buf.st_dev);
 894       if (mountpoint == NULL)
 895         mountpoint = g_strdup ("/");
 896
 897       mount = g_unix_mount_at (mountpoint, &cache_time);
 898       if (mount)
 899         {
 900           if (g_unix_mount_is_readonly (mount))
 901             mount_info |= MOUNT_INFO_READONLY;
 902
 903           g_unix_mount_free (mount);
 904         }
 905
 906       g_free (mountpoint);
 907
 908       dev = g_new0 (dev_t, 1);
 909       *dev = buf.st_dev;
 910
 911       G_LOCK (mount_info_hash);
 912       mount_info_hash_cache_time = cache_time;
 913       g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
 914       G_UNLOCK (mount_info_hash);
 915     }
 916
 917   if (mount_info & MOUNT_INFO_READONLY)
 918     g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 919 }
 920
 921 #endif
 922
 923 #ifdef G_OS_WIN32
 924
 925 static gboolean
 926 is_xp_or_later (void)
 927 {
 928   static int result = -1;
 929
 930   if (result == -1)
 931     {
 932 #ifndef _MSC_VER
 933       OSVERSIONINFOEX ver_info = {0};
 934       DWORDLONG cond_mask = 0;
 935       int op = VER_GREATER_EQUAL;
 936
 937       ver_info.dwOSVersionInfoSize = sizeof ver_info;
 938       ver_info.dwMajorVersion = 5;
 939       ver_info.dwMinorVersion = 1;
 940
 941       VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
 942       VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
 943
 944       result = VerifyVersionInfo (&ver_info,
 945                                   VER_MAJORVERSION | VER_MINORVERSION,
 946                                   cond_mask) != 0;
 947 #else
 948       result = ((DWORD)(LOBYTE (LOWORD (GetVersion ())))) >= 5;
 949 #endif
 950     }
 951
 952   return result;
 953 }
 954
 955 static wchar_t *
 956 get_volume_for_path (const char *path)
 957 {
 958   long len;
 959   wchar_t *wpath;
 960   wchar_t *result;
 961
 962   wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
 963   result = g_new (wchar_t, MAX_PATH);
 964
 965   if (!GetVolumePathNameW (wpath, result, MAX_PATH))
 966     {
 967       char *msg = g_win32_error_message (GetLastError ());
 968       g_critical ("GetVolumePathName failed: %s", msg);
 969       g_free (msg);
 970       g_free (result);
 971       g_free (wpath);
 972       return NULL;
 973     }
 974
 975   len = wcslen (result);
 976   if (len > 0 && result[len-1] != L'\\')
 977     {
 978       result = g_renew (wchar_t, result, len + 2);
 979       result[len] = L'\\';
 980       result[len + 1] = 0;
 981     }
 982
 983   g_free (wpath);
 984   return result;
 985 }
 986
 987 static char *
 988 find_mountpoint_for (const char *file, dev_t dev)
 989 {
 990   wchar_t *wpath;
 991   char *utf8_path;
 992
 993   wpath = get_volume_for_path (file);
 994   if (!wpath)
 995     return NULL;
 996
 997   utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
 998
 999   g_free (wpath);
1000   return utf8_path;
1001 }
1002
1003 static void
1004 get_filesystem_readonly (GFileInfo  *info,
1005                          const char *path)
1006 {
1007   wchar_t *rootdir;
1008
1009   rootdir = get_volume_for_path (path);
1010
1011   if (rootdir)
1012     {
1013       if (is_xp_or_later ())
1014         {
1015           DWORD flags;
1016           if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
1017             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
1018                                                (flags & FILE_READ_ONLY_VOLUME) != 0);
1019         }
1020       else
1021         {
1022           if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
1023             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
1024         }
1025     }
1026
1027   g_free (rootdir);
1028 }
1029
1030 #endif /* G_OS_WIN32 */
1031
1032 #pragma GCC diagnostic push
1033 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
1034 static void
1035 g_set_io_error (GError      **error,
1036                 const gchar  *msg,
1037                 GFile        *file,
1038                 gint          errsv)
1039 {
1040   GLocalFile *local = G_LOCAL_FILE (file);
1041   gchar *display_name;
1042
1043   display_name = g_filename_display_name (local->filename);
1044   g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
1045                msg, display_name, g_strerror (errsv));
1046   g_free (display_name);
1047 }
1048 #pragma GCC diagnostic pop
1049
1050 static GFileInfo *
1051 g_local_file_query_filesystem_info (GFile         *file,
1052                                     const char    *attributes,
1053                                     GCancellable  *cancellable,
1054                                     GError       **error)
1055 {
1056   GLocalFile *local = G_LOCAL_FILE (file);
1057   GFileInfo *info;
1058   int statfs_result = 0;
1059   gboolean no_size;
1060 #ifndef G_OS_WIN32
1061   const char *fstype;
1062 #ifdef USE_STATFS
1063   guint64 block_size;
1064   struct statfs statfs_buffer;
1065 #elif defined(USE_STATVFS)
1066   guint64 block_size;
1067   struct statvfs statfs_buffer;
1068 #endif /* USE_STATFS */
1069 #endif /* G_OS_WIN32 */
1070   GFileAttributeMatcher *attribute_matcher;
1071
1072   no_size = FALSE;
1073
1074 #ifdef USE_STATFS
1075
1076 #if STATFS_ARGS == 2
1077   statfs_result = statfs (local->filename, &statfs_buffer);
1078 #elif STATFS_ARGS == 4
1079   statfs_result = statfs (local->filename, &statfs_buffer,
1080                           sizeof (statfs_buffer), 0);
1081 #endif /* STATFS_ARGS == 2 */
1082   block_size = statfs_buffer.f_bsize;
1083
1084   /* Many backends can't report free size (for instance the gvfs fuse
1085      backend for backend not supporting this), and set f_bfree to 0,
1086      but it can be 0 for real too. We treat the available == 0 and
1087      free == 0 case as "both of these are invalid".
1088    */
1089 #ifndef G_OS_WIN32
1090   if (statfs_result == 0 &&
1091       statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0)
1092     no_size = TRUE;
1093 #endif /* G_OS_WIN32 */
1094
1095 #elif defined(USE_STATVFS)
1096   statfs_result = statvfs (local->filename, &statfs_buffer);
1097   block_size = statfs_buffer.f_frsize;
1098 #endif /* USE_STATFS */
1099
1100   if (statfs_result == -1)
1101     {
1102       int errsv = errno;
1103
1104       g_set_io_error (error,
1105                       _("Error getting filesystem info for %s: %s"),
1106                       file, errsv);
1107       return NULL;
1108     }
1109
1110   info = g_file_info_new ();
1111
1112   attribute_matcher = g_file_attribute_matcher_new (attributes);
1113
1114   if (!no_size &&
1115       g_file_attribute_matcher_matches (attribute_matcher,
1116                                         G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
1117     {
1118 #ifdef G_OS_WIN32
1119       gchar *localdir = g_path_get_dirname (local->filename);
1120       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1121       ULARGE_INTEGER li;
1122
1123       g_free (localdir);
1124       if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
1125         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
1126       g_free (wdirname);
1127 #else
1128 #if defined(USE_STATFS) || defined(USE_STATVFS)
1129       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
1130 #endif
1131 #endif
1132     }
1133   if (!no_size &&
1134       g_file_attribute_matcher_matches (attribute_matcher,
1135                                         G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
1136     {
1137 #ifdef G_OS_WIN32
1138       gchar *localdir = g_path_get_dirname (local->filename);
1139       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1140       ULARGE_INTEGER li;
1141
1142       g_free (localdir);
1143       if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
1144         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,  (guint64)li.QuadPart);
1145       g_free (wdirname);
1146 #else
1147 #if defined(USE_STATFS) || defined(USE_STATVFS)
1148       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
1149 #endif
1150 #endif /* G_OS_WIN32 */
1151     }
1152
1153   if (!no_size &&
1154       g_file_attribute_matcher_matches (attribute_matcher,
1155                                         G_FILE_ATTRIBUTE_FILESYSTEM_USED))
1156     {
1157 #ifdef G_OS_WIN32
1158       gchar *localdir = g_path_get_dirname (local->filename);
1159       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1160       ULARGE_INTEGER li_free;
1161       ULARGE_INTEGER li_total;
1162
1163       g_free (localdir);
1164       if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
1165         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED,  (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
1166       g_free (wdirname);
1167 #else
1168       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
1169 #endif /* G_OS_WIN32 */
1170     }
1171
1172 #ifndef G_OS_WIN32
1173 #ifdef USE_STATFS
1174 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
1175   fstype = statfs_buffer.f_fstypename;
1176 #else
1177   fstype = get_fs_type (statfs_buffer.f_type);
1178 #endif
1179
1180 #elif defined(USE_STATVFS)
1181 #if defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME)
1182   fstype = statfs_buffer.f_fstypename;
1183 #elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
1184   fstype = statfs_buffer.f_basetype;
1185 #else
1186   fstype = NULL;
1187 #endif
1188 #endif /* USE_STATFS */
1189
1190   if (fstype &&
1191       g_file_attribute_matcher_matches (attribute_matcher,
1192                                         G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1193     g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
1194 #endif /* G_OS_WIN32 */
1195
1196   if (g_file_attribute_matcher_matches (attribute_matcher,
1197                                         G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1198     {
1199 #ifdef G_OS_WIN32
1200       get_filesystem_readonly (info, local->filename);
1201 #else
1202       get_mount_info (info, local->filename, attribute_matcher);
1203 #endif /* G_OS_WIN32 */
1204     }
1205
1206   if (g_file_attribute_matcher_matches (attribute_matcher,
1207                                         G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE))
1208       g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE,
1209                                          g_local_file_is_remote (local->filename));
1210
1211   g_file_attribute_matcher_unref (attribute_matcher);
1212
1213   return info;
1214 }
1215
1216 static GMount *
1217 g_local_file_find_enclosing_mount (GFile         *file,
1218                                    GCancellable  *cancellable,
1219                                    GError       **error)
1220 {
1221   GLocalFile *local = G_LOCAL_FILE (file);
1222   GStatBuf buf;
1223   char *mountpoint;
1224   GMount *mount;
1225
1226   if (g_lstat (local->filename, &buf) != 0)
1227     goto error;
1228
1229   mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
1230   if (mountpoint == NULL)
1231     goto error;
1232
1233   mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
1234   g_free (mountpoint);
1235   if (mount)
1236     return mount;
1237
1238 error:
1239   g_set_io_error (error,
1240                   /* Translators: This is an error message when trying to find
1241                    * the enclosing (user visible) mount of a file, but none
1242                    * exists.
1243                    */
1244                   _("Containing mount for file %s not found"),
1245                   file, 0);
1246
1247   return NULL;
1248 }
1249
1250 static GFile *
1251 g_local_file_set_display_name (GFile         *file,
1252                                const char    *display_name,
1253                                GCancellable  *cancellable,
1254                                GError       **error)
1255 {
1256   GLocalFile *local, *new_local;
1257   GFile *new_file, *parent;
1258   GStatBuf statbuf;
1259   GVfsClass *class;
1260   GVfs *vfs;
1261   int errsv;
1262
1263   parent = g_file_get_parent (file);
1264   if (parent == NULL)
1265     {
1266       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
1267                            _("Can’t rename root directory"));
1268       return NULL;
1269     }
1270
1271   new_file = g_file_get_child_for_display_name (parent, display_name, error);
1272   g_object_unref (parent);
1273
1274   if (new_file == NULL)
1275     return NULL;
1276   local = G_LOCAL_FILE (file);
1277   new_local = G_LOCAL_FILE (new_file);
1278
1279   if (g_lstat (new_local->filename, &statbuf) == -1)
1280     {
1281       errsv = errno;
1282
1283       if (errsv != ENOENT)
1284         {
1285           g_set_io_error (error, _("Error renaming file %s: %s"), new_file, errsv);
1286           return NULL;
1287         }
1288     }
1289   else
1290     {
1291       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_EXISTS,
1292                            _("Can’t rename file, filename already exists"));
1293       return NULL;
1294     }
1295
1296   if (g_rename (local->filename, new_local->filename) == -1)
1297     {
1298       errsv = errno;
1299
1300       if (errsv == EINVAL)
1301         /* We can't get a rename file into itself error here,
1302          * so this must be an invalid filename, on e.g. FAT
1303          */
1304         g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_FILENAME,
1305                              _("Invalid filename"));
1306       else
1307         g_set_io_error (error,
1308                         _("Error renaming file %s: %s"),
1309                         file, errsv);
1310       g_object_unref (new_file);
1311       return NULL;
1312     }
1313
1314   vfs = g_vfs_get_default ();
1315   class = G_VFS_GET_CLASS (vfs);
1316   if (class->local_file_moved)
1317     class->local_file_moved (vfs, local->filename, new_local->filename);
1318
1319   return new_file;
1320 }
1321
1322 static GFileInfo *
1323 g_local_file_query_info (GFile                *file,
1324                          const char           *attributes,
1325                          GFileQueryInfoFlags   flags,
1326                          GCancellable         *cancellable,
1327                          GError              **error)
1328 {
1329   GLocalFile *local = G_LOCAL_FILE (file);
1330   GFileInfo *info;
1331   GFileAttributeMatcher *matcher;
1332   char *basename, *dirname;
1333   GLocalParentFileInfo parent_info;
1334
1335   matcher = g_file_attribute_matcher_new (attributes);
1336
1337   basename = g_path_get_basename (local->filename);
1338
1339   dirname = g_path_get_dirname (local->filename);
1340   _g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
1341   g_free (dirname);
1342
1343   info = _g_local_file_info_get (basename, local->filename,
1344                                  matcher, flags, &parent_info,
1345                                  error);
1346
1347
1348   _g_local_file_info_free_parent_info (&parent_info);
1349   g_free (basename);
1350
1351   g_file_attribute_matcher_unref (matcher);
1352
1353   return info;
1354 }
1355
1356 static GFileAttributeInfoList *
1357 g_local_file_query_settable_attributes (GFile         *file,
1358                                         GCancellable  *cancellable,
1359                                         GError       **error)
1360 {
1361   return g_file_attribute_info_list_ref (local_writable_attributes);
1362 }
1363
1364 static GFileAttributeInfoList *
1365 g_local_file_query_writable_namespaces (GFile         *file,
1366                                         GCancellable  *cancellable,
1367                                         GError       **error)
1368 {
1369   GFileAttributeInfoList *list;
1370   GVfsClass *class;
1371   GVfs *vfs;
1372
1373   if (g_once_init_enter (&local_writable_namespaces))
1374     {
1375       /* Writable namespaces: */
1376
1377       list = g_file_attribute_info_list_new ();
1378
1379 #ifdef HAVE_XATTR
1380       g_file_attribute_info_list_add (list,
1381                                       "xattr",
1382                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1383                                       G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
1384                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1385       g_file_attribute_info_list_add (list,
1386                                       "xattr-sys",
1387                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1388                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1389 #endif
1390
1391       vfs = g_vfs_get_default ();
1392       class = G_VFS_GET_CLASS (vfs);
1393       if (class->add_writable_namespaces)
1394         class->add_writable_namespaces (vfs, list);
1395
1396       g_once_init_leave (&local_writable_namespaces, (gsize)list);
1397     }
1398   list = (GFileAttributeInfoList *)local_writable_namespaces;
1399
1400   return g_file_attribute_info_list_ref (list);
1401 }
1402
1403 static gboolean
1404 g_local_file_set_attribute (GFile                *file,
1405                             const char           *attribute,
1406                             GFileAttributeType    type,
1407                             gpointer              value_p,
1408                             GFileQueryInfoFlags   flags,
1409                             GCancellable         *cancellable,
1410                             GError              **error)
1411 {
1412   GLocalFile *local = G_LOCAL_FILE (file);
1413
1414   return _g_local_file_info_set_attribute (local->filename,
1415                                            attribute,
1416                                            type,
1417                                            value_p,
1418                                            flags,
1419                                            cancellable,
1420                                            error);
1421 }
1422
1423 static gboolean
1424 g_local_file_set_attributes_from_info (GFile                *file,
1425                                        GFileInfo            *info,
1426                                        GFileQueryInfoFlags   flags,
1427                                        GCancellable         *cancellable,
1428                                        GError              **error)
1429 {
1430   GLocalFile *local = G_LOCAL_FILE (file);
1431   int res, chained_res;
1432   GFileIface *default_iface;
1433
1434   res = _g_local_file_info_set_attributes (local->filename,
1435                                            info, flags,
1436                                            cancellable,
1437                                            error);
1438
1439   if (!res)
1440     error = NULL; /* Don't write over error if further errors */
1441
1442   default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1443
1444   chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1445
1446   return res && chained_res;
1447 }
1448
1449 static GFileInputStream *
1450 g_local_file_read (GFile         *file,
1451                    GCancellable  *cancellable,
1452                    GError       **error)
1453 {
1454   GLocalFile *local = G_LOCAL_FILE (file);
1455   int fd, ret;
1456   GLocalFileStat buf;
1457
1458   fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
1459   if (fd == -1)
1460     {
1461       int errsv = errno;
1462
1463 #ifdef G_OS_WIN32
1464       if (errsv == EACCES)
1465         {
1466           /* Exploit the fact that on W32 the glib filename encoding is UTF8 */
1467           ret = GLIB_PRIVATE_CALL (g_win32_stat_utf8) (local->filename, &buf);
1468           if (ret == 0 && S_ISDIR (buf.st_mode))
1469             errsv = EISDIR;
1470         }
1471 #endif
1472       g_set_io_error (error,
1473                       _("Error opening file %s: %s"),
1474                       file, errsv);
1475       return NULL;
1476     }
1477
1478 #ifdef G_OS_WIN32
1479   ret = GLIB_PRIVATE_CALL (g_win32_fstat) (fd, &buf);
1480 #else
1481   ret = fstat (fd, &buf);
1482 #endif
1483
1484   if (ret == 0 && S_ISDIR (buf.st_mode))
1485     {
1486       (void) g_close (fd, NULL);
1487       g_set_io_error (error,
1488                       _("Error opening file %s: %s"),
1489                       file, EISDIR);
1490       return NULL;
1491     }
1492
1493   return _g_local_file_input_stream_new (fd);
1494 }
1495
1496 static GFileOutputStream *
1497 g_local_file_append_to (GFile             *file,
1498                         GFileCreateFlags   flags,
1499                         GCancellable      *cancellable,
1500                         GError           **error)
1501 {
1502   return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1503                                              flags, cancellable, error);
1504 }
1505
1506 static GFileOutputStream *
1507 g_local_file_create (GFile             *file,
1508                      GFileCreateFlags   flags,
1509                      GCancellable      *cancellable,
1510                      GError           **error)
1511 {
1512   return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1513                                              FALSE, flags, NULL,
1514                                              cancellable, error);
1515 }
1516
1517 static GFileOutputStream *
1518 g_local_file_replace (GFile             *file,
1519                       const char        *etag,
1520                       gboolean           make_backup,
1521                       GFileCreateFlags   flags,
1522                       GCancellable      *cancellable,
1523                       GError           **error)
1524 {
1525   return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1526                                               FALSE,
1527                                               etag, make_backup, flags, NULL,
1528                                               cancellable, error);
1529 }
1530
1531 static GFileIOStream *
1532 g_local_file_open_readwrite (GFile                      *file,
1533                              GCancellable               *cancellable,
1534                              GError                    **error)
1535 {
1536   GFileOutputStream *output;
1537   GFileIOStream *res;
1538
1539   output = _g_local_file_output_stream_open (G_LOCAL_FILE (file)->filename,
1540                                              TRUE,
1541                                              cancellable, error);
1542   if (output == NULL)
1543     return NULL;
1544
1545   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1546   g_object_unref (output);
1547   return res;
1548 }
1549
1550 static GFileIOStream *
1551 g_local_file_create_readwrite (GFile                      *file,
1552                                GFileCreateFlags            flags,
1553                                GCancellable               *cancellable,
1554                                GError                    **error)
1555 {
1556   GFileOutputStream *output;
1557   GFileIOStream *res;
1558
1559   output = _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1560                                                TRUE, flags, NULL,
1561                                                cancellable, error);
1562   if (output == NULL)
1563     return NULL;
1564
1565   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1566   g_object_unref (output);
1567   return res;
1568 }
1569
1570 static GFileIOStream *
1571 g_local_file_replace_readwrite (GFile                      *file,
1572                                 const char                 *etag,
1573                                 gboolean                    make_backup,
1574                                 GFileCreateFlags            flags,
1575                                 GCancellable               *cancellable,
1576                                 GError                    **error)
1577 {
1578   GFileOutputStream *output;
1579   GFileIOStream *res;
1580
1581   output = _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1582                                                 TRUE,
1583                                                 etag, make_backup, flags, NULL,
1584                                                 cancellable, error);
1585   if (output == NULL)
1586     return NULL;
1587
1588   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1589   g_object_unref (output);
1590   return res;
1591 }
1592
1593 static gboolean
1594 g_local_file_delete (GFile         *file,
1595                      GCancellable  *cancellable,
1596                      GError       **error)
1597 {
1598   GLocalFile *local = G_LOCAL_FILE (file);
1599   GVfsClass *class;
1600   GVfs *vfs;
1601
1602   if (g_remove (local->filename) == -1)
1603     {
1604       int errsv = errno;
1605
1606       /* Posix allows EEXIST too, but the more sane error
1607          is G_IO_ERROR_NOT_FOUND, and it's what nautilus
1608          expects */
1609       if (errsv == EEXIST)
1610         errsv = ENOTEMPTY;
1611
1612       g_set_io_error (error,
1613                       _("Error removing file %s: %s"),
1614                       file, errsv);
1615       return FALSE;
1616     }
1617
1618   vfs = g_vfs_get_default ();
1619   class = G_VFS_GET_CLASS (vfs);
1620   if (class->local_file_removed)
1621     class->local_file_removed (vfs, local->filename);
1622
1623   return TRUE;
1624 }
1625
1626 #ifndef G_OS_WIN32
1627
1628 static char *
1629 strip_trailing_slashes (const char *path)
1630 {
1631   char *path_copy;
1632   int len;
1633
1634   path_copy = g_strdup (path);
1635   len = strlen (path_copy);
1636   while (len > 1 && path_copy[len-1] == '/')
1637     path_copy[--len] = 0;
1638
1639   return path_copy;
1640  }
1641
1642 static char *
1643 expand_symlink (const char *link)
1644 {
1645   char *resolved, *canonical, *parent, *link2;
1646   char symlink_value[4096];
1647 #ifdef G_OS_WIN32
1648 #else
1649   gssize res;
1650 #endif
1651
1652 #ifdef G_OS_WIN32
1653 #else
1654   res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
1655
1656   if (res == -1)
1657     return g_strdup (link);
1658   symlink_value[res] = 0;
1659 #endif
1660
1661   if (g_path_is_absolute (symlink_value))
1662     return canonicalize_filename (symlink_value);
1663   else
1664     {
1665       link2 = strip_trailing_slashes (link);
1666       parent = g_path_get_dirname (link2);
1667       g_free (link2);
1668
1669       resolved = g_build_filename (parent, symlink_value, NULL);
1670       g_free (parent);
1671
1672       canonical = canonicalize_filename (resolved);
1673
1674       g_free (resolved);
1675
1676       return canonical;
1677     }
1678 }
1679
1680 static char *
1681 get_parent (const char *path,
1682             dev_t      *parent_dev)
1683 {
1684   char *parent, *tmp;
1685   GStatBuf parent_stat;
1686   int num_recursions;
1687   char *path_copy;
1688
1689   path_copy = strip_trailing_slashes (path);
1690
1691   parent = g_path_get_dirname (path_copy);
1692   if (strcmp (parent, ".") == 0 ||
1693       strcmp (parent, path_copy) == 0)
1694     {
1695       g_free (parent);
1696       g_free (path_copy);
1697       return NULL;
1698     }
1699   g_free (path_copy);
1700
1701   num_recursions = 0;
1702   do {
1703     if (g_lstat (parent, &parent_stat) != 0)
1704       {
1705         g_free (parent);
1706         return NULL;
1707       }
1708
1709     if (S_ISLNK (parent_stat.st_mode))
1710       {
1711         tmp = parent;
1712         parent = expand_symlink (parent);
1713         g_free (tmp);
1714       }
1715
1716     num_recursions++;
1717     if (num_recursions > 12)
1718       {
1719         g_free (parent);
1720         return NULL;
1721       }
1722   } while (S_ISLNK (parent_stat.st_mode));
1723
1724   *parent_dev = parent_stat.st_dev;
1725
1726   return parent;
1727 }
1728
1729 static char *
1730 expand_all_symlinks (const char *path)
1731 {
1732   char *parent, *parent_expanded;
1733   char *basename, *res;
1734   dev_t parent_dev;
1735
1736   parent = get_parent (path, &parent_dev);
1737   if (parent)
1738     {
1739       parent_expanded = expand_all_symlinks (parent);
1740       g_free (parent);
1741       basename = g_path_get_basename (path);
1742       res = g_build_filename (parent_expanded, basename, NULL);
1743       g_free (basename);
1744       g_free (parent_expanded);
1745     }
1746   else
1747     res = g_strdup (path);
1748
1749   return res;
1750 }
1751
1752 static char *
1753 find_mountpoint_for (const char *file,
1754                      dev_t       dev)
1755 {
1756   char *dir, *parent;
1757   dev_t dir_dev, parent_dev;
1758
1759   dir = g_strdup (file);
1760   dir_dev = dev;
1761
1762   while (1)
1763     {
1764       parent = get_parent (dir, &parent_dev);
1765       if (parent == NULL)
1766         return dir;
1767
1768       if (parent_dev != dir_dev)
1769         {
1770           g_free (parent);
1771           return dir;
1772         }
1773
1774       g_free (dir);
1775       dir = parent;
1776     }
1777 }
1778
1779 char *
1780 _g_local_file_find_topdir_for (const char *file)
1781 {
1782   char *dir;
1783   char *mountpoint = NULL;
1784   dev_t dir_dev;
1785
1786   dir = get_parent (file, &dir_dev);
1787   if (dir == NULL)
1788     return NULL;
1789
1790   mountpoint = find_mountpoint_for (dir, dir_dev);
1791   g_free (dir);
1792
1793   return mountpoint;
1794 }
1795
1796 static char *
1797 get_unique_filename (const char *basename,
1798                      int         id)
1799 {
1800   const char *dot;
1801
1802   if (id == 1)
1803     return g_strdup (basename);
1804
1805   dot = strchr (basename, '.');
1806   if (dot)
1807     return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1808   else
1809     return g_strdup_printf ("%s.%d", basename, id);
1810 }
1811
1812 static gboolean
1813 path_has_prefix (const char *path,
1814                  const char *prefix)
1815 {
1816   int prefix_len;
1817
1818   if (prefix == NULL)
1819     return TRUE;
1820
1821   prefix_len = strlen (prefix);
1822
1823   if (strncmp (path, prefix, prefix_len) == 0 &&
1824       (prefix_len == 0 || /* empty prefix always matches */
1825        prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1826        path[prefix_len] == 0 ||
1827        path[prefix_len] == '/'))
1828     return TRUE;
1829
1830   return FALSE;
1831 }
1832
1833 static char *
1834 try_make_relative (const char *path,
1835                    const char *base)
1836 {
1837   char *path2, *base2;
1838   char *relative;
1839
1840   path2 = expand_all_symlinks (path);
1841   base2 = expand_all_symlinks (base);
1842
1843   relative = NULL;
1844   if (path_has_prefix (path2, base2))
1845     {
1846       relative = path2 + strlen (base2);
1847       while (*relative == '/')
1848         relative ++;
1849       relative = g_strdup (relative);
1850     }
1851   g_free (path2);
1852   g_free (base2);
1853
1854   if (relative)
1855     return relative;
1856
1857   /* Failed, use abs path */
1858   return g_strdup (path);
1859 }
1860
1861 gboolean
1862 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1863 {
1864   static gsize home_dev_set = 0;
1865   static dev_t home_dev;
1866   char *topdir, *globaldir, *trashdir, *tmpname;
1867   uid_t uid;
1868   char uid_str[32];
1869   GStatBuf global_stat, trash_stat;
1870   gboolean res;
1871
1872   if (g_once_init_enter (&home_dev_set))
1873     {
1874       GStatBuf home_stat;
1875
1876       g_stat (g_get_home_dir (), &home_stat);
1877       home_dev = home_stat.st_dev;
1878       g_once_init_leave (&home_dev_set, 1);
1879     }
1880
1881   /* Assume we can trash to the home */
1882   if (dir_dev == home_dev)
1883     return TRUE;
1884
1885   topdir = find_mountpoint_for (dirname, dir_dev);
1886   if (topdir == NULL)
1887     return FALSE;
1888
1889   globaldir = g_build_filename (topdir, ".Trash", NULL);
1890   if (g_lstat (globaldir, &global_stat) == 0 &&
1891       S_ISDIR (global_stat.st_mode) &&
1892       (global_stat.st_mode & S_ISVTX) != 0)
1893     {
1894       /* got a toplevel sysadmin created dir, assume we
1895        * can trash to it (we should be able to create a dir)
1896        * This fails for the FAT case where the ownership of
1897        * that dir would be wrong though..
1898        */
1899       g_free (globaldir);
1900       g_free (topdir);
1901       return TRUE;
1902     }
1903   g_free (globaldir);
1904
1905   /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1906   uid = geteuid ();
1907   g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long) uid);
1908
1909   tmpname = g_strdup_printf (".Trash-%s", uid_str);
1910   trashdir = g_build_filename (topdir, tmpname, NULL);
1911   g_free (tmpname);
1912
1913   if (g_lstat (trashdir, &trash_stat) == 0)
1914     {
1915       g_free (topdir);
1916       g_free (trashdir);
1917       return S_ISDIR (trash_stat.st_mode) &&
1918              trash_stat.st_uid == uid;
1919     }
1920   g_free (trashdir);
1921
1922   /* User specific trash didn't exist, can we create it? */
1923   res = g_access (topdir, W_OK) == 0;
1924   g_free (topdir);
1925
1926   return res;
1927 }
1928
1929 #ifdef G_OS_UNIX
1930 gboolean
1931 _g_local_file_is_lost_found_dir (const char *path, dev_t path_dev)
1932 {
1933   gboolean ret = FALSE;
1934   gchar *mount_dir = NULL;
1935   size_t mount_dir_len;
1936   GStatBuf statbuf;
1937
1938   if (!g_str_has_suffix (path, "/lost+found"))
1939     goto out;
1940
1941   mount_dir = find_mountpoint_for (path, path_dev);
1942   if (mount_dir == NULL)
1943     goto out;
1944
1945   mount_dir_len = strlen (mount_dir);
1946   /* We special-case rootfs ('/') since it's the only case where
1947    * mount_dir ends in '/'
1948    */
1949   if (mount_dir_len == 1)
1950     mount_dir_len--;
1951   if (mount_dir_len + strlen ("/lost+found") != strlen (path))
1952     goto out;
1953
1954   if (g_lstat (path, &statbuf) != 0)
1955     goto out;
1956
1957   if (!(S_ISDIR (statbuf.st_mode) &&
1958         statbuf.st_uid == 0 &&
1959         statbuf.st_gid == 0))
1960     goto out;
1961
1962   ret = TRUE;
1963
1964  out:
1965   g_free (mount_dir);
1966   return ret;
1967 }
1968 #endif
1969
1970 static gboolean
1971 g_local_file_trash (GFile         *file,
1972                     GCancellable  *cancellable,
1973                     GError       **error)
1974 {
1975   GLocalFile *local = G_LOCAL_FILE (file);
1976   GStatBuf file_stat, home_stat;
1977   const char *homedir;
1978   char *trashdir, *topdir, *infodir, *filesdir;
1979   char *basename, *trashname, *trashfile, *infoname, *infofile;
1980   char *original_name, *original_name_escaped;
1981   int i;
1982   char *data;
1983   gboolean is_homedir_trash;
1984   char delete_time[32];
1985   int fd;
1986   GStatBuf trash_stat, global_stat;
1987   char *dirname, *globaldir;
1988   GVfsClass *class;
1989   GVfs *vfs;
1990   int errsv;
1991
1992   if (g_lstat (local->filename, &file_stat) != 0)
1993     {
1994       errsv = errno;
1995
1996       g_set_io_error (error,
1997                       _("Error trashing file %s: %s"),
1998                       file, errsv);
1999       return FALSE;
2000     }
2001
2002   homedir = g_get_home_dir ();
2003   g_stat (homedir, &home_stat);
2004
2005   is_homedir_trash = FALSE;
2006   trashdir = NULL;
2007   if (file_stat.st_dev == home_stat.st_dev)
2008     {
2009       is_homedir_trash = TRUE;
2010       errno = 0;
2011       trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
2012       if (g_mkdir_with_parents (trashdir, 0700) < 0)
2013         {
2014           char *display_name;
2015           errsv = errno;
2016
2017           display_name = g_filename_display_name (trashdir);
2018           g_set_error (error, G_IO_ERROR,
2019                        g_io_error_from_errno (errsv),
2020                        _("Unable to create trash dir %s: %s"),
2021                        display_name, g_strerror (errsv));
2022           g_free (display_name);
2023           g_free (trashdir);
2024           return FALSE;
2025         }
2026       topdir = g_strdup (g_get_user_data_dir ());
2027     }
2028   else
2029     {
2030       uid_t uid;
2031       char uid_str[32];
2032
2033       uid = geteuid ();
2034       g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
2035
2036       topdir = _g_local_file_find_topdir_for (local->filename);
2037       if (topdir == NULL)
2038         {
2039           g_set_io_error (error,
2040                           _("Unable to find toplevel directory to trash %s"),
2041                           file, G_IO_ERROR_NOT_SUPPORTED);
2042           return FALSE;
2043         }
2044
2045       /* Try looking for global trash dir $topdir/.Trash/$uid */
2046       globaldir = g_build_filename (topdir, ".Trash", NULL);
2047       if (g_lstat (globaldir, &global_stat) == 0 &&
2048           S_ISDIR (global_stat.st_mode) &&
2049           (global_stat.st_mode & S_ISVTX) != 0)
2050         {
2051           trashdir = g_build_filename (globaldir, uid_str, NULL);
2052
2053           if (g_lstat (trashdir, &trash_stat) == 0)
2054             {
2055               if (!S_ISDIR (trash_stat.st_mode) ||
2056                   trash_stat.st_uid != uid)
2057                 {
2058                   /* Not a directory or not owned by user, ignore */
2059                   g_free (trashdir);
2060                   trashdir = NULL;
2061                 }
2062             }
2063           else if (g_mkdir (trashdir, 0700) == -1)
2064             {
2065               g_free (trashdir);
2066               trashdir = NULL;
2067             }
2068         }
2069       g_free (globaldir);
2070
2071       if (trashdir == NULL)
2072         {
2073           gboolean tried_create;
2074
2075           /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
2076           dirname = g_strdup_printf (".Trash-%s", uid_str);
2077           trashdir = g_build_filename (topdir, dirname, NULL);
2078           g_free (dirname);
2079
2080           tried_create = FALSE;
2081
2082         retry:
2083           if (g_lstat (trashdir, &trash_stat) == 0)
2084             {
2085               if (!S_ISDIR (trash_stat.st_mode) ||
2086                   trash_stat.st_uid != uid)
2087                 {
2088                   /* Remove the failed directory */
2089                   if (tried_create)
2090                     g_remove (trashdir);
2091
2092                   /* Not a directory or not owned by user, ignore */
2093                   g_free (trashdir);
2094                   trashdir = NULL;
2095                 }
2096             }
2097           else
2098             {
2099               if (!tried_create &&
2100                   g_mkdir (trashdir, 0700) != -1)
2101                 {
2102                   /* Ensure that the created dir has the right uid etc.
2103                      This might fail on e.g. a FAT dir */
2104                   tried_create = TRUE;
2105                   goto retry;
2106                 }
2107               else
2108                 {
2109                   g_free (trashdir);
2110                   trashdir = NULL;
2111                 }
2112             }
2113         }
2114
2115       if (trashdir == NULL)
2116         {
2117           g_free (topdir);
2118           g_set_io_error (error,
2119                           _("Unable to find or create trash directory for %s"),
2120                           file, G_IO_ERROR_NOT_SUPPORTED);
2121           return FALSE;
2122         }
2123     }
2124
2125   /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
2126
2127   infodir = g_build_filename (trashdir, "info", NULL);
2128   filesdir = g_build_filename (trashdir, "files", NULL);
2129   g_free (trashdir);
2130
2131   /* Make sure we have the subdirectories */
2132   if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
2133       (g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
2134     {
2135       g_free (topdir);
2136       g_free (infodir);
2137       g_free (filesdir);
2138       g_set_io_error (error,
2139                       _("Unable to find or create trash directory for %s"),
2140                       file, G_IO_ERROR_NOT_SUPPORTED);
2141       return FALSE;
2142     }
2143
2144   basename = g_path_get_basename (local->filename);
2145   i = 1;
2146   trashname = NULL;
2147   infofile = NULL;
2148   do {
2149     g_free (trashname);
2150     g_free (infofile);
2151
2152     trashname = get_unique_filename (basename, i++);
2153     infoname = g_strconcat (trashname, ".trashinfo", NULL);
2154     infofile = g_build_filename (infodir, infoname, NULL);
2155     g_free (infoname);
2156
2157     fd = g_open (infofile, O_CREAT | O_EXCL, 0666);
2158     errsv = errno;
2159   } while (fd == -1 && errsv == EEXIST);
2160
2161   g_free (basename);
2162   g_free (infodir);
2163
2164   if (fd == -1)
2165     {
2166       errsv = errno;
2167
2168       g_free (filesdir);
2169       g_free (topdir);
2170       g_free (trashname);
2171       g_free (infofile);
2172
2173       g_set_io_error (error,
2174                       _("Unable to create trashing info file for %s: %s"),
2175                       file, errsv);
2176       return FALSE;
2177     }
2178
2179   (void) g_close (fd, NULL);
2180
2181   /* Write the full content of the info file before trashing to make
2182    * sure someone doesn't read an empty file.  See #749314
2183    */
2184
2185   /* Use absolute names for homedir */
2186   if (is_homedir_trash)
2187     original_name = g_strdup (local->filename);
2188   else
2189     original_name = try_make_relative (local->filename, topdir);
2190   original_name_escaped = g_uri_escape_string (original_name, "/", FALSE);
2191
2192   g_free (original_name);
2193   g_free (topdir);
2194
2195   {
2196     time_t t;
2197     struct tm now;
2198     t = time (NULL);
2199     localtime_r (&t, &now);
2200     delete_time[0] = 0;
2201     strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
2202   }
2203
2204   data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
2205                           original_name_escaped, delete_time);
2206
2207   g_file_set_contents (infofile, data, -1, NULL);
2208
2209   /* TODO: Maybe we should verify that you can delete the file from the trash
2210    * before moving it? OTOH, that is hard, as it needs a recursive scan
2211    */
2212
2213   trashfile = g_build_filename (filesdir, trashname, NULL);
2214
2215   g_free (filesdir);
2216
2217   if (g_rename (local->filename, trashfile) == -1)
2218     {
2219       errsv = errno;
2220
2221       g_unlink (infofile);
2222
2223       g_free (trashname);
2224       g_free (infofile);
2225       g_free (trashfile);
2226
2227       if (errsv == EXDEV)
2228         /* The trash dir was actually on another fs anyway!?
2229          * This can happen when the same device is mounted multiple
2230          * times, or with bind mounts of the same fs.
2231          */
2232         g_set_io_error (error,
2233                         _("Unable to trash file %s across filesystem boundaries"),
2234                         file, ENOTSUP);
2235       else
2236         g_set_io_error (error,
2237                         _("Unable to trash file %s: %s"),
2238                         file, errsv);
2239       return FALSE;
2240     }
2241
2242   vfs = g_vfs_get_default ();
2243   class = G_VFS_GET_CLASS (vfs);
2244   if (class->local_file_moved)
2245     class->local_file_moved (vfs, local->filename, trashfile);
2246
2247   g_free (trashfile);
2248
2249   /* TODO: Do we need to update mtime/atime here after the move? */
2250
2251   g_free (infofile);
2252   g_free (data);
2253
2254   g_free (original_name_escaped);
2255   g_free (trashname);
2256
2257   return TRUE;
2258 }
2259 #else /* G_OS_WIN32 */
2260 gboolean
2261 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
2262 {
2263   return FALSE;                 /* XXX ??? */
2264 }
2265
2266 static gboolean
2267 g_local_file_trash (GFile         *file,
2268                     GCancellable  *cancellable,
2269                     GError       **error)
2270 {
2271   GLocalFile *local = G_LOCAL_FILE (file);
2272   SHFILEOPSTRUCTW op = {0};
2273   gboolean success;
2274   wchar_t *wfilename;
2275   long len;
2276
2277   wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
2278   /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
2279   wfilename = g_renew (wchar_t, wfilename, len + 2);
2280   wfilename[len + 1] = 0;
2281
2282   op.wFunc = FO_DELETE;
2283   op.pFrom = wfilename;
2284   op.fFlags = FOF_ALLOWUNDO;
2285
2286   success = SHFileOperationW (&op) == 0;
2287
2288   if (success && op.fAnyOperationsAborted)
2289     {
2290       if (cancellable && !g_cancellable_is_cancelled (cancellable))
2291         g_cancellable_cancel (cancellable);
2292       g_set_io_error (error,
2293                       _("Unable to trash file %s: %s"),
2294                       file, ECANCELED);
2295       success = FALSE;
2296     }
2297   else if (!success)
2298     g_set_io_error (error,
2299                     _("Unable to trash file %s"),
2300                     file, 0);
2301
2302   g_free (wfilename);
2303   return success;
2304 }
2305 #endif /* G_OS_WIN32 */
2306
2307 static gboolean
2308 g_local_file_make_directory (GFile         *file,
2309                              GCancellable  *cancellable,
2310                              GError       **error)
2311 {
2312   GLocalFile *local = G_LOCAL_FILE (file);
2313
2314   if (g_mkdir (local->filename, 0777) == -1)
2315     {
2316       int errsv = errno;
2317
2318       if (errsv == EINVAL)
2319         /* This must be an invalid filename, on e.g. FAT */
2320         g_set_error_literal (error, G_IO_ERROR,
2321                              G_IO_ERROR_INVALID_FILENAME,
2322                              _("Invalid filename"));
2323       else
2324         g_set_io_error (error,
2325                         _("Error creating directory %s: %s"),
2326                         file, errsv);
2327       return FALSE;
2328     }
2329
2330   return TRUE;
2331 }
2332
2333 static gboolean
2334 g_local_file_make_symbolic_link (GFile         *file,
2335                                  const char    *symlink_value,
2336                                  GCancellable  *cancellable,
2337                                  GError       **error)
2338 {
2339 #ifdef HAVE_SYMLINK
2340   GLocalFile *local = G_LOCAL_FILE (file);
2341
2342   if (symlink (symlink_value, local->filename) == -1)
2343     {
2344       int errsv = errno;
2345
2346       if (errsv == EINVAL)
2347         /* This must be an invalid filename, on e.g. FAT */
2348         g_set_error_literal (error, G_IO_ERROR,
2349                              G_IO_ERROR_INVALID_FILENAME,
2350                              _("Invalid filename"));
2351       else if (errsv == EPERM)
2352         g_set_error (error, G_IO_ERROR,
2353                      G_IO_ERROR_NOT_SUPPORTED,
2354                      _("Filesystem does not support symbolic links"));
2355       else
2356         g_set_io_error (error,
2357                         _("Error making symbolic link %s: %s"),
2358                         file, errsv);
2359       return FALSE;
2360     }
2361   return TRUE;
2362 #else
2363   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _("Symbolic links not supported"));
2364   return FALSE;
2365 #endif
2366 }
2367
2368
2369 static gboolean
2370 g_local_file_copy (GFile                  *source,
2371                    GFile                  *destination,
2372                    GFileCopyFlags          flags,
2373                    GCancellable           *cancellable,
2374                    GFileProgressCallback   progress_callback,
2375                    gpointer                progress_callback_data,
2376                    GError                **error)
2377 {
2378   /* Fall back to default copy */
2379   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
2380   return FALSE;
2381 }
2382
2383 static gboolean
2384 g_local_file_move (GFile                  *source,
2385                    GFile                  *destination,
2386                    GFileCopyFlags          flags,
2387                    GCancellable           *cancellable,
2388                    GFileProgressCallback   progress_callback,
2389                    gpointer                progress_callback_data,
2390                    GError                **error)
2391 {
2392   GLocalFile *local_source, *local_destination;
2393   GStatBuf statbuf;
2394   gboolean destination_exist, source_is_dir;
2395   char *backup_name;
2396   int res;
2397   off_t source_size;
2398   GVfsClass *class;
2399   GVfs *vfs;
2400
2401   if (!G_IS_LOCAL_FILE (source) ||
2402       !G_IS_LOCAL_FILE (destination))
2403     {
2404       /* Fall back to default move */
2405       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
2406       return FALSE;
2407     }
2408
2409   local_source = G_LOCAL_FILE (source);
2410   local_destination = G_LOCAL_FILE (destination);
2411
2412   res = g_lstat (local_source->filename, &statbuf);
2413   if (res == -1)
2414     {
2415       int errsv = errno;
2416
2417       g_set_io_error (error,
2418                       _("Error moving file %s: %s"),
2419                       source, errsv);
2420       return FALSE;
2421     }
2422
2423   source_is_dir = S_ISDIR (statbuf.st_mode);
2424   source_size = statbuf.st_size;
2425
2426   destination_exist = FALSE;
2427   res = g_lstat (local_destination->filename, &statbuf);
2428   if (res == 0)
2429     {
2430       destination_exist = TRUE; /* Target file exists */
2431
2432       if (flags & G_FILE_COPY_OVERWRITE)
2433         {
2434           /* Always fail on dirs, even with overwrite */
2435           if (S_ISDIR (statbuf.st_mode))
2436             {
2437               if (source_is_dir)
2438                 g_set_error_literal (error,
2439                                      G_IO_ERROR,
2440                                      G_IO_ERROR_WOULD_MERGE,
2441                                      _("Can’t move directory over directory"));
2442               else
2443                 g_set_error_literal (error,
2444                                      G_IO_ERROR,
2445                                      G_IO_ERROR_IS_DIRECTORY,
2446                                      _("Can’t copy over directory"));
2447               return FALSE;
2448             }
2449         }
2450       else
2451         {
2452           g_set_io_error (error,
2453                           _("Error moving file %s: %s"),
2454                           source, EEXIST);
2455           return FALSE;
2456         }
2457     }
2458
2459   if (flags & G_FILE_COPY_BACKUP && destination_exist)
2460     {
2461       backup_name = g_strconcat (local_destination->filename, "~", NULL);
2462       if (g_rename (local_destination->filename, backup_name) == -1)
2463         {
2464           g_set_error_literal (error,
2465                                G_IO_ERROR,
2466                                G_IO_ERROR_CANT_CREATE_BACKUP,
2467                                _("Backup file creation failed"));
2468           g_free (backup_name);
2469           return FALSE;
2470         }
2471       g_free (backup_name);
2472       destination_exist = FALSE; /* It did, but no more */
2473     }
2474
2475   if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
2476     {
2477       /* Source is a dir, destination exists (and is not a dir, because that would have failed
2478          earlier), and we're overwriting. Manually remove the target so we can do the rename. */
2479       res = g_unlink (local_destination->filename);
2480       if (res == -1)
2481         {
2482           int errsv = errno;
2483
2484           g_set_error (error, G_IO_ERROR,
2485                        g_io_error_from_errno (errsv),
2486                        _("Error removing target file: %s"),
2487                        g_strerror (errsv));
2488           return FALSE;
2489         }
2490     }
2491
2492   if (g_rename (local_source->filename, local_destination->filename) == -1)
2493     {
2494       int errsv = errno;
2495
2496       if (errsv == EXDEV)
2497         /* This will cause the fallback code to run */
2498         g_set_error_literal (error, G_IO_ERROR,
2499                              G_IO_ERROR_NOT_SUPPORTED,
2500                              _("Move between mounts not supported"));
2501       else if (errsv == EINVAL)
2502         /* This must be an invalid filename, on e.g. FAT, or
2503            we're trying to move the file into itself...
2504            We return invalid filename for both... */
2505         g_set_error_literal (error, G_IO_ERROR,
2506                              G_IO_ERROR_INVALID_FILENAME,
2507                              _("Invalid filename"));
2508       else
2509         g_set_io_error (error,
2510                         _("Error moving file %s: %s"),
2511                         source, errsv);
2512       return FALSE;
2513     }
2514
2515   vfs = g_vfs_get_default ();
2516   class = G_VFS_GET_CLASS (vfs);
2517   if (class->local_file_moved)
2518     class->local_file_moved (vfs, local_source->filename, local_destination->filename);
2519
2520   /* Make sure we send full copied size */
2521   if (progress_callback)
2522     progress_callback (source_size, source_size, progress_callback_data);
2523
2524   return TRUE;
2525 }
2526
2527 #ifdef G_OS_WIN32
2528
2529 gboolean
2530 g_local_file_is_remote (const gchar *filename)
2531 {
2532   return FALSE;
2533 }
2534
2535 #else
2536
2537 static gboolean
2538 is_remote_fs (const gchar *filename)
2539 {
2540   const char *fsname = NULL;
2541
2542 #ifdef USE_STATFS
2543   struct statfs statfs_buffer;
2544   int statfs_result = 0;
2545
2546 #if STATFS_ARGS == 2
2547   statfs_result = statfs (filename, &statfs_buffer);
2548 #elif STATFS_ARGS == 4
2549   statfs_result = statfs (filename, &statfs_buffer, sizeof (statfs_buffer), 0);
2550 #endif
2551
2552 #elif defined(USE_STATVFS)
2553   struct statvfs statfs_buffer;
2554   int statfs_result = 0;
2555
2556   statfs_result = statvfs (filename, &statfs_buffer);
2557 #else
2558   return FALSE;
2559 #endif
2560
2561   if (statfs_result == -1)
2562     return FALSE;
2563
2564 #ifdef USE_STATFS
2565 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
2566   fsname = statfs_buffer.f_fstypename;
2567 #else
2568   fsname = get_fs_type (statfs_buffer.f_type);
2569 #endif
2570
2571 #elif defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
2572   fsname = statfs_buffer.f_basetype;
2573 #endif
2574
2575   if (fsname != NULL)
2576     {
2577       if (strcmp (fsname, "nfs") == 0)
2578         return TRUE;
2579       if (strcmp (fsname, "nfs4") == 0)
2580         return TRUE;
2581     }
2582
2583   return FALSE;
2584 }
2585
2586 gboolean
2587 g_local_file_is_remote (const gchar *filename)
2588 {
2589   static gboolean remote_home;
2590   static gsize initialized;
2591   const gchar *home;
2592
2593   home = g_get_home_dir ();
2594   if (path_has_prefix (filename, home))
2595     {
2596       if (g_once_init_enter (&initialized))
2597         {
2598           remote_home = is_remote_fs (home);
2599           g_once_init_leave (&initialized, TRUE);
2600         }
2601       return remote_home;
2602     }
2603
2604   return FALSE;
2605 }
2606 #endif /* !G_OS_WIN32 */
2607
2608 static GFileMonitor*
2609 g_local_file_monitor_dir (GFile             *file,
2610                           GFileMonitorFlags  flags,
2611                           GCancellable      *cancellable,
2612                           GError           **error)
2613 {
2614   GLocalFile *local_file = G_LOCAL_FILE (file);
2615
2616   return g_local_file_monitor_new_for_path (local_file->filename, TRUE, flags, error);
2617 }
2618
2619 static GFileMonitor*
2620 g_local_file_monitor_file (GFile             *file,
2621                            GFileMonitorFlags  flags,
2622                            GCancellable      *cancellable,
2623                            GError           **error)
2624 {
2625   GLocalFile *local_file = G_LOCAL_FILE (file);
2626
2627   return g_local_file_monitor_new_for_path (local_file->filename, FALSE, flags, error);
2628 }
2629
2630 /* Here is the GLocalFile implementation of g_file_measure_disk_usage().
2631  *
2632  * If available, we use fopenat() in preference to filenames for
2633  * efficiency and safety reasons.  We know that fopenat() is available
2634  * based on if AT_FDCWD is defined.  POSIX guarantees that this will be
2635  * defined as a macro.
2636  *
2637  * We use a linked list of stack-allocated GSList nodes in order to be
2638  * able to reconstruct the filename for error messages.  We actually
2639  * pass the filename to operate on through the top node of the list.
2640  *
2641  * In case we're using openat(), this top filename will be a basename
2642  * which should be opened in the directory which has also had its fd
2643  * passed along.  If we're not using openat() then it will be a full
2644  * absolute filename.
2645  */
2646
2647 static gboolean
2648 g_local_file_measure_size_error (GFileMeasureFlags   flags,
2649                                  gint                saved_errno,
2650                                  GSList             *name,
2651                                  GError            **error)
2652 {
2653   /* Only report an error if we were at the toplevel or if the caller
2654    * requested reporting of all errors.
2655    */
2656   if ((name->next == NULL) || (flags & G_FILE_MEASURE_REPORT_ANY_ERROR))
2657     {
2658       GString *filename;
2659       GSList *node;
2660
2661       /* Skip some work if there is no error return */
2662       if (!error)
2663         return FALSE;
2664
2665 #ifdef AT_FDCWD
2666       /* If using openat() we need to rebuild the filename for the message */
2667       filename = g_string_new (name->data);
2668       for (node = name->next; node; node = node->next)
2669         {
2670           gchar *utf8;
2671
2672           g_string_prepend_c (filename, G_DIR_SEPARATOR);
2673           utf8 = g_filename_display_name (node->data);
2674           g_string_prepend (filename, utf8);
2675           g_free (utf8);
2676         }
2677 #else
2678       {
2679         gchar *utf8;
2680
2681         /* Otherwise, we already have it, so just use it. */
2682         node = name;
2683         filename = g_string_new (NULL);
2684         utf8 = g_filename_display_name (node->data);
2685         g_string_append (filename, utf8);
2686         g_free (utf8);
2687       }
2688 #endif
2689
2690       g_set_error (error, G_IO_ERROR, g_io_error_from_errno (saved_errno),
2691                    _("Could not determine the disk usage of %s: %s"),
2692                    filename->str, g_strerror (saved_errno));
2693
2694       g_string_free (filename, TRUE);
2695
2696       return FALSE;
2697     }
2698
2699   else
2700     /* We're not reporting this error... */
2701     return TRUE;
2702 }
2703
2704 typedef struct
2705 {
2706   GFileMeasureFlags  flags;
2707   dev_t              contained_on;
2708   GCancellable      *cancellable;
2709
2710   GFileMeasureProgressCallback progress_callback;
2711   gpointer                     progress_data;
2712
2713   guint64 disk_usage;
2714   guint64 num_dirs;
2715   guint64 num_files;
2716
2717   guint64 last_progress_report;
2718 } MeasureState;
2719
2720 static gboolean
2721 g_local_file_measure_size_of_contents (gint           fd,
2722                                        GSList        *dir_name,
2723                                        MeasureState  *state,
2724                                        GError       **error);
2725
2726 static gboolean
2727 g_local_file_measure_size_of_file (gint           parent_fd,
2728                                    GSList        *name,
2729                                    MeasureState  *state,
2730                                    GError       **error)
2731 {
2732   GLocalFileStat buf;
2733
2734   if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2735     return FALSE;
2736
2737 #if defined (AT_FDCWD)
2738   if (fstatat (parent_fd, name->data, &buf, AT_SYMLINK_NOFOLLOW) != 0)
2739     {
2740       int errsv = errno;
2741       return g_local_file_measure_size_error (state->flags, errsv, name, error);
2742     }
2743 #elif defined (HAVE_LSTAT) || !defined (G_OS_WIN32)
2744   if (g_lstat (name->data, &buf) != 0)
2745     {
2746       int errsv = errno;
2747       return g_local_file_measure_size_error (state->flags, errsv, name, error);
2748     }
2749 #else /* !AT_FDCWD && !HAVE_LSTAT && G_OS_WIN32 */
2750   if (GLIB_PRIVATE_CALL (g_win32_lstat_utf8) (name->data, &buf) != 0)
2751     {
2752       int errsv = errno;
2753       return g_local_file_measure_size_error (state->flags, errsv, name, error);
2754     }
2755 #endif
2756
2757   if (name->next)
2758     {
2759       /* If not at the toplevel, check for a device boundary. */
2760
2761       if (state->flags & G_FILE_MEASURE_NO_XDEV)
2762         if (state->contained_on != buf.st_dev)
2763           return TRUE;
2764     }
2765   else
2766     {
2767       /* If, however, this is the toplevel, set the device number so
2768        * that recursive invocations can compare against it.
2769        */
2770       state->contained_on = buf.st_dev;
2771     }
2772
2773 #if defined (G_OS_WIN32)
2774   if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2775     state->disk_usage += buf.allocated_size;
2776   else
2777 #elif defined (HAVE_STRUCT_STAT_ST_BLOCKS)
2778   if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2779     state->disk_usage += buf.st_blocks * G_GUINT64_CONSTANT (512);
2780   else
2781 #endif
2782     state->disk_usage += buf.st_size;
2783
2784   if (S_ISDIR (buf.st_mode))
2785     state->num_dirs++;
2786   else
2787     state->num_files++;
2788
2789   if (state->progress_callback)
2790     {
2791       /* We could attempt to do some cleverness here in order to avoid
2792        * calling clock_gettime() so much, but we're doing stats and opens
2793        * all over the place already...
2794        */
2795       if (state->last_progress_report)
2796         {
2797           guint64 now;
2798
2799           now = g_get_monotonic_time ();
2800
2801           if (state->last_progress_report + 200 * G_TIME_SPAN_MILLISECOND < now)
2802             {
2803               (* state->progress_callback) (TRUE,
2804                                             state->disk_usage, state->num_dirs, state->num_files,
2805                                             state->progress_data);
2806               state->last_progress_report = now;
2807             }
2808         }
2809       else
2810         {
2811           /* We must do an initial report to inform that more reports
2812            * will be coming.
2813            */
2814           (* state->progress_callback) (TRUE, 0, 0, 0, state->progress_data);
2815           state->last_progress_report = g_get_monotonic_time ();
2816         }
2817     }
2818
2819   if (S_ISDIR (buf.st_mode))
2820     {
2821       int dir_fd = -1;
2822       int errsv;
2823
2824       if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2825         return FALSE;
2826
2827 #ifdef AT_FDCWD
2828 #ifdef HAVE_OPEN_O_DIRECTORY
2829       dir_fd = openat (parent_fd, name->data, O_RDONLY|O_DIRECTORY);
2830 #else
2831       dir_fd = openat (parent_fd, name->data, O_RDONLY);
2832 #endif
2833       errsv = errno;
2834       if (dir_fd < 0)
2835         return g_local_file_measure_size_error (state->flags, errsv, name, error);
2836 #endif
2837
2838       if (!g_local_file_measure_size_of_contents (dir_fd, name, state, error))
2839         return FALSE;
2840     }
2841
2842   return TRUE;
2843 }
2844
2845 static gboolean
2846 g_local_file_measure_size_of_contents (gint           fd,
2847                                        GSList        *dir_name,
2848                                        MeasureState  *state,
2849                                        GError       **error)
2850 {
2851   gboolean success = TRUE;
2852   const gchar *name;
2853   GDir *dir;
2854
2855 #ifdef AT_FDCWD
2856   {
2857     /* If this fails, we want to preserve the errno from fopendir() */
2858     DIR *dirp;
2859     dirp = fdopendir (fd);
2860     dir = dirp ? GLIB_PRIVATE_CALL(g_dir_new_from_dirp) (dirp) : NULL;
2861   }
2862 #else
2863   dir = GLIB_PRIVATE_CALL(g_dir_open_with_errno) (dir_name->data, 0);
2864 #endif
2865
2866   if (dir == NULL)
2867     {
2868       gint saved_errno = errno;
2869
2870 #ifdef AT_FDCWD
2871       close (fd);
2872 #endif
2873
2874       return g_local_file_measure_size_error (state->flags, saved_errno, dir_name, error);
2875     }
2876
2877   while (success && (name = g_dir_read_name (dir)))
2878     {
2879       GSList node;
2880
2881       node.next = dir_name;
2882 #ifdef AT_FDCWD
2883       node.data = (gchar *) name;
2884 #else
2885       node.data = g_build_filename (dir_name->data, name, NULL);
2886 #endif
2887
2888       success = g_local_file_measure_size_of_file (fd, &node, state, error);
2889
2890 #ifndef AT_FDCWD
2891       g_free (node.data);
2892 #endif
2893     }
2894
2895   g_dir_close (dir);
2896
2897   return success;
2898 }
2899
2900 static gboolean
2901 g_local_file_measure_disk_usage (GFile                         *file,
2902                                  GFileMeasureFlags              flags,
2903                                  GCancellable                  *cancellable,
2904                                  GFileMeasureProgressCallback   progress_callback,
2905                                  gpointer                       progress_data,
2906                                  guint64                       *disk_usage,
2907                                  guint64                       *num_dirs,
2908                                  guint64                       *num_files,
2909                                  GError                       **error)
2910 {
2911   GLocalFile *local_file = G_LOCAL_FILE (file);
2912   MeasureState state = { 0, };
2913   gint root_fd = -1;
2914   GSList node;
2915
2916   state.flags = flags;
2917   state.cancellable = cancellable;
2918   state.progress_callback = progress_callback;
2919   state.progress_data = progress_data;
2920
2921 #ifdef AT_FDCWD
2922   root_fd = AT_FDCWD;
2923 #endif
2924
2925   node.data = local_file->filename;
2926   node.next = NULL;
2927
2928   if (!g_local_file_measure_size_of_file (root_fd, &node, &state, error))
2929     return FALSE;
2930
2931   if (disk_usage)
2932     *disk_usage = state.disk_usage;
2933
2934   if (num_dirs)
2935     *num_dirs = state.num_dirs;
2936
2937   if (num_files)
2938     *num_files = state.num_files;
2939
2940   return TRUE;
2941 }
2942
2943 static void
2944 g_local_file_file_iface_init (GFileIface *iface)
2945 {
2946   iface->dup = g_local_file_dup;
2947   iface->hash = g_local_file_hash;
2948   iface->equal = g_local_file_equal;
2949   iface->is_native = g_local_file_is_native;
2950   iface->has_uri_scheme = g_local_file_has_uri_scheme;
2951   iface->get_uri_scheme = g_local_file_get_uri_scheme;
2952   iface->get_basename = g_local_file_get_basename;
2953   iface->get_path = g_local_file_get_path;
2954   iface->get_uri = g_local_file_get_uri;
2955   iface->get_parse_name = g_local_file_get_parse_name;
2956   iface->get_parent = g_local_file_get_parent;
2957   iface->prefix_matches = g_local_file_prefix_matches;
2958   iface->get_relative_path = g_local_file_get_relative_path;
2959   iface->resolve_relative_path = g_local_file_resolve_relative_path;
2960   iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2961   iface->set_display_name = g_local_file_set_display_name;
2962   iface->enumerate_children = g_local_file_enumerate_children;
2963   iface->query_info = g_local_file_query_info;
2964   iface->query_filesystem_info = g_local_file_query_filesystem_info;
2965   iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2966   iface->query_settable_attributes = g_local_file_query_settable_attributes;
2967   iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2968   iface->set_attribute = g_local_file_set_attribute;
2969   iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2970   iface->read_fn = g_local_file_read;
2971   iface->append_to = g_local_file_append_to;
2972   iface->create = g_local_file_create;
2973   iface->replace = g_local_file_replace;
2974   iface->open_readwrite = g_local_file_open_readwrite;
2975   iface->create_readwrite = g_local_file_create_readwrite;
2976   iface->replace_readwrite = g_local_file_replace_readwrite;
2977   iface->delete_file = g_local_file_delete;
2978   iface->trash = g_local_file_trash;
2979   iface->make_directory = g_local_file_make_directory;
2980   iface->make_symbolic_link = g_local_file_make_symbolic_link;
2981   iface->copy = g_local_file_copy;
2982   iface->move = g_local_file_move;
2983   iface->monitor_dir = g_local_file_monitor_dir;
2984   iface->monitor_file = g_local_file_monitor_file;
2985   iface->measure_disk_usage = g_local_file_measure_disk_usage;
2986
2987   iface->supports_thread_contexts = TRUE;
2988 }