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 "glibintl.h"
  66 #ifdef G_OS_UNIX
  67 #include "glib-unix.h"
  68 #endif
  69 #include "glib-private.h"
  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 0x42465331:
 669       return "befs";
 670     case 0x1BADFACE:
 671       return "bfs";
 672     case 0x9123683E:
 673       return "btrfs";
 674     case 0xFF534D42:
 675       return "cifs";
 676     case 0x73757245:
 677       return "coda";
 678     case 0x012FF7B7:
 679       return "coh";
 680     case 0x28cd3d45:
 681       return "cramfs";
 682     case 0x1373:
 683       return "devfs";
 684     case 0x00414A53:
 685       return "efs";
 686     case 0x137D:
 687       return "ext";
 688     case 0xEF51:
 689       return "ext2";
 690     case 0xEF53:
 691       return "ext3/ext4";
 692     case 0x4244:
 693       return "hfs";
 694     case 0xF995E849:
 695       return "hpfs";
 696     case 0x958458f6:
 697       return "hugetlbfs";
 698     case 0x9660:
 699       return "isofs";
 700     case 0x72b6:
 701       return "jffs2";
 702     case 0x3153464a:
 703       return "jfs";
 704     case 0x137F:
 705       return "minix";
 706     case 0x138F:
 707       return "minix2";
 708     case 0x2468:
 709       return "minix2";
 710     case 0x2478:
 711       return "minix22";
 712     case 0x4d44:
 713       return "msdos";
 714     case 0x564c:
 715       return "ncp";
 716     case 0x6969:
 717       return "nfs";
 718     case 0x5346544e:
 719       return "ntfs";
 720     case 0x9fa1:
 721       return "openprom";
 722     case 0x9fa0:
 723       return "proc";
 724     case 0x002f:
 725       return "qnx4";
 726     case 0x52654973:
 727       return "reiserfs";
 728     case 0x7275:
 729       return "romfs";
 730     case 0x517B:
 731       return "smb";
 732     case 0x73717368:
 733       return "squashfs";
 734     case 0x012FF7B6:
 735       return "sysv2";
 736     case 0x012FF7B5:
 737       return "sysv4";
 738     case 0x01021994:
 739       return "tmpfs";
 740     case 0x15013346:
 741       return "udf";
 742     case 0x00011954:
 743       return "ufs";
 744     case 0x9fa2:
 745       return "usbdevice";
 746     case 0xa501FCF5:
 747       return "vxfs";
 748     case 0x012FF7B4:
 749       return "xenix";
 750     case 0x58465342:
 751       return "xfs";
 752     case 0x012FD16D:
 753       return "xiafs";
 754     case 0x52345362:
 755       return "reiser4";
 756     default:
 757       return NULL;
 758     }
 759 }
 760 #endif
 761
 762 #ifndef G_OS_WIN32
 763
 764 G_LOCK_DEFINE_STATIC(mount_info_hash);
 765 static GHashTable *mount_info_hash = NULL;
 766 static guint64 mount_info_hash_cache_time = 0;
 767
 768 typedef enum {
 769   MOUNT_INFO_READONLY = 1<<0
 770 } MountInfo;
 771
 772 static gboolean
 773 device_equal (gconstpointer v1,
 774               gconstpointer v2)
 775 {
 776   return *(dev_t *)v1 == *(dev_t *)v2;
 777 }
 778
 779 static guint
 780 device_hash (gconstpointer v)
 781 {
 782   return (guint) *(dev_t *)v;
 783 }
 784
 785 static void
 786 get_mount_info (GFileInfo             *fs_info,
 787                 const char            *path,
 788                 GFileAttributeMatcher *matcher)
 789 {
 790   GStatBuf buf;
 791   gboolean got_info;
 792   gpointer info_as_ptr;
 793   guint mount_info;
 794   char *mountpoint;
 795   dev_t *dev;
 796   GUnixMountEntry *mount;
 797   guint64 cache_time;
 798
 799   if (g_lstat (path, &buf) != 0)
 800     return;
 801
 802   G_LOCK (mount_info_hash);
 803
 804   if (mount_info_hash == NULL)
 805     mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
 806                                              g_free, NULL);
 807
 808
 809   if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
 810     g_hash_table_remove_all (mount_info_hash);
 811
 812   got_info = g_hash_table_lookup_extended (mount_info_hash,
 813                                            &buf.st_dev,
 814                                            NULL,
 815                                            &info_as_ptr);
 816
 817   G_UNLOCK (mount_info_hash);
 818
 819   mount_info = GPOINTER_TO_UINT (info_as_ptr);
 820
 821   if (!got_info)
 822     {
 823       mount_info = 0;
 824
 825       mountpoint = find_mountpoint_for (path, buf.st_dev);
 826       if (mountpoint == NULL)
 827         mountpoint = g_strdup ("/");
 828
 829       mount = g_unix_mount_at (mountpoint, &cache_time);
 830       if (mount)
 831         {
 832           if (g_unix_mount_is_readonly (mount))
 833             mount_info |= MOUNT_INFO_READONLY;
 834
 835           g_unix_mount_free (mount);
 836         }
 837
 838       g_free (mountpoint);
 839
 840       dev = g_new0 (dev_t, 1);
 841       *dev = buf.st_dev;
 842
 843       G_LOCK (mount_info_hash);
 844       mount_info_hash_cache_time = cache_time;
 845       g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
 846       G_UNLOCK (mount_info_hash);
 847     }
 848
 849   if (mount_info & MOUNT_INFO_READONLY)
 850     g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 851 }
 852
 853 #endif
 854
 855 #ifdef G_OS_WIN32
 856
 857 static gboolean
 858 is_xp_or_later (void)
 859 {
 860   static int result = -1;
 861
 862   if (result == -1)
 863     {
 864 #ifndef _MSC_VER
 865       OSVERSIONINFOEX ver_info = {0};
 866       DWORDLONG cond_mask = 0;
 867       int op = VER_GREATER_EQUAL;
 868
 869       ver_info.dwOSVersionInfoSize = sizeof ver_info;
 870       ver_info.dwMajorVersion = 5;
 871       ver_info.dwMinorVersion = 1;
 872
 873       VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
 874       VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
 875
 876       result = VerifyVersionInfo (&ver_info,
 877                                   VER_MAJORVERSION | VER_MINORVERSION,
 878                                   cond_mask) != 0;
 879 #else
 880       result = ((DWORD)(LOBYTE (LOWORD (GetVersion ())))) >= 5;
 881 #endif
 882     }
 883
 884   return result;
 885 }
 886
 887 static wchar_t *
 888 get_volume_for_path (const char *path)
 889 {
 890   long len;
 891   wchar_t *wpath;
 892   wchar_t *result;
 893
 894   wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
 895   result = g_new (wchar_t, MAX_PATH);
 896
 897   if (!GetVolumePathNameW (wpath, result, MAX_PATH))
 898     {
 899       char *msg = g_win32_error_message (GetLastError ());
 900       g_critical ("GetVolumePathName failed: %s", msg);
 901       g_free (msg);
 902       g_free (result);
 903       g_free (wpath);
 904       return NULL;
 905     }
 906
 907   len = wcslen (result);
 908   if (len > 0 && result[len-1] != L'\\')
 909     {
 910       result = g_renew (wchar_t, result, len + 2);
 911       result[len] = L'\\';
 912       result[len + 1] = 0;
 913     }
 914
 915   g_free (wpath);
 916   return result;
 917 }
 918
 919 static char *
 920 find_mountpoint_for (const char *file, dev_t dev)
 921 {
 922   wchar_t *wpath;
 923   char *utf8_path;
 924
 925   wpath = get_volume_for_path (file);
 926   if (!wpath)
 927     return NULL;
 928
 929   utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
 930
 931   g_free (wpath);
 932   return utf8_path;
 933 }
 934
 935 static void
 936 get_filesystem_readonly (GFileInfo  *info,
 937                          const char *path)
 938 {
 939   wchar_t *rootdir;
 940
 941   rootdir = get_volume_for_path (path);
 942
 943   if (rootdir)
 944     {
 945       if (is_xp_or_later ())
 946         {
 947           DWORD flags;
 948           if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
 949             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
 950                                                (flags & FILE_READ_ONLY_VOLUME) != 0);
 951         }
 952       else
 953         {
 954           if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
 955             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 956         }
 957     }
 958
 959   g_free (rootdir);
 960 }
 961
 962 #endif /* G_OS_WIN32 */
 963
 964 #pragma GCC diagnostic push
 965 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 966 static void
 967 g_set_io_error (GError      **error,
 968                 const gchar  *msg,
 969                 GFile        *file,
 970                 gint          errsv)
 971 {
 972   GLocalFile *local = G_LOCAL_FILE (file);
 973   gchar *display_name;
 974
 975   display_name = g_filename_display_name (local->filename);
 976   g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
 977                msg, display_name, g_strerror (errsv));
 978   g_free (display_name);
 979 }
 980 #pragma GCC diagnostic pop
 981
 982 static GFileInfo *
 983 g_local_file_query_filesystem_info (GFile         *file,
 984                                     const char    *attributes,
 985                                     GCancellable  *cancellable,
 986                                     GError       **error)
 987 {
 988   GLocalFile *local = G_LOCAL_FILE (file);
 989   GFileInfo *info;
 990   int statfs_result = 0;
 991   gboolean no_size;
 992 #ifndef G_OS_WIN32
 993   const char *fstype;
 994 #ifdef USE_STATFS
 995   guint64 block_size;
 996   struct statfs statfs_buffer;
 997 #elif defined(USE_STATVFS)
 998   guint64 block_size;
 999   struct statvfs statfs_buffer;
1000 #endif /* USE_STATFS */
1001 #endif /* G_OS_WIN32 */
1002   GFileAttributeMatcher *attribute_matcher;
1003
1004   no_size = FALSE;
1005
1006 #ifdef USE_STATFS
1007
1008 #if STATFS_ARGS == 2
1009   statfs_result = statfs (local->filename, &statfs_buffer);
1010 #elif STATFS_ARGS == 4
1011   statfs_result = statfs (local->filename, &statfs_buffer,
1012                           sizeof (statfs_buffer), 0);
1013 #endif /* STATFS_ARGS == 2 */
1014   block_size = statfs_buffer.f_bsize;
1015
1016   /* Many backends can't report free size (for instance the gvfs fuse
1017      backend for backend not supporting this), and set f_bfree to 0,
1018      but it can be 0 for real too. We treat the available == 0 and
1019      free == 0 case as "both of these are invalid".
1020    */
1021 #ifndef G_OS_WIN32
1022   if (statfs_result == 0 &&
1023       statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0)
1024     no_size = TRUE;
1025 #endif /* G_OS_WIN32 */
1026
1027 #elif defined(USE_STATVFS)
1028   statfs_result = statvfs (local->filename, &statfs_buffer);
1029   block_size = statfs_buffer.f_frsize;
1030 #endif /* USE_STATFS */
1031
1032   if (statfs_result == -1)
1033     {
1034       int errsv = errno;
1035
1036       g_set_io_error (error,
1037                       _("Error getting filesystem info for %s: %s"),
1038                       file, errsv);
1039       return NULL;
1040     }
1041
1042   info = g_file_info_new ();
1043
1044   attribute_matcher = g_file_attribute_matcher_new (attributes);
1045
1046   if (!no_size &&
1047       g_file_attribute_matcher_matches (attribute_matcher,
1048                                         G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
1049     {
1050 #ifdef G_OS_WIN32
1051       gchar *localdir = g_path_get_dirname (local->filename);
1052       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1053       ULARGE_INTEGER li;
1054
1055       g_free (localdir);
1056       if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
1057         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
1058       g_free (wdirname);
1059 #else
1060 #if defined(USE_STATFS) || defined(USE_STATVFS)
1061       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
1062 #endif
1063 #endif
1064     }
1065   if (!no_size &&
1066       g_file_attribute_matcher_matches (attribute_matcher,
1067                                         G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
1068     {
1069 #ifdef G_OS_WIN32
1070       gchar *localdir = g_path_get_dirname (local->filename);
1071       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1072       ULARGE_INTEGER li;
1073
1074       g_free (localdir);
1075       if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
1076         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,  (guint64)li.QuadPart);
1077       g_free (wdirname);
1078 #else
1079 #if defined(USE_STATFS) || defined(USE_STATVFS)
1080       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
1081 #endif
1082 #endif /* G_OS_WIN32 */
1083     }
1084
1085   if (!no_size &&
1086       g_file_attribute_matcher_matches (attribute_matcher,
1087                                         G_FILE_ATTRIBUTE_FILESYSTEM_USED))
1088     {
1089 #ifdef G_OS_WIN32
1090       gchar *localdir = g_path_get_dirname (local->filename);
1091       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1092       ULARGE_INTEGER li_free;
1093       ULARGE_INTEGER li_total;
1094
1095       g_free (localdir);
1096       if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
1097         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED,  (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
1098       g_free (wdirname);
1099 #else
1100       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
1101 #endif /* G_OS_WIN32 */
1102     }
1103
1104 #ifndef G_OS_WIN32
1105 #ifdef USE_STATFS
1106 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
1107   fstype = g_strdup (statfs_buffer.f_fstypename);
1108 #else
1109   fstype = get_fs_type (statfs_buffer.f_type);
1110 #endif
1111
1112 #elif defined(USE_STATVFS)
1113 #if defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME)
1114   fstype = g_strdup (statfs_buffer.f_fstypename);
1115 #elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
1116   fstype = g_strdup (statfs_buffer.f_basetype);
1117 #else
1118   fstype = NULL;
1119 #endif
1120 #endif /* USE_STATFS */
1121
1122   if (fstype &&
1123       g_file_attribute_matcher_matches (attribute_matcher,
1124                                         G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1125     g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
1126 #endif /* G_OS_WIN32 */
1127
1128   if (g_file_attribute_matcher_matches (attribute_matcher,
1129                                         G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1130     {
1131 #ifdef G_OS_WIN32
1132       get_filesystem_readonly (info, local->filename);
1133 #else
1134       get_mount_info (info, local->filename, attribute_matcher);
1135 #endif /* G_OS_WIN32 */
1136     }
1137
1138   if (g_file_attribute_matcher_matches (attribute_matcher,
1139                                         G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE))
1140       g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_REMOTE,
1141                                          g_local_file_is_remote (local->filename));
1142
1143   g_file_attribute_matcher_unref (attribute_matcher);
1144
1145   return info;
1146 }
1147
1148 static GMount *
1149 g_local_file_find_enclosing_mount (GFile         *file,
1150                                    GCancellable  *cancellable,
1151                                    GError       **error)
1152 {
1153   GLocalFile *local = G_LOCAL_FILE (file);
1154   GStatBuf buf;
1155   char *mountpoint;
1156   GMount *mount;
1157
1158   if (g_lstat (local->filename, &buf) != 0)
1159     goto error;
1160
1161   mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
1162   if (mountpoint == NULL)
1163     goto error;
1164
1165   mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
1166   g_free (mountpoint);
1167   if (mount)
1168     return mount;
1169
1170 error:
1171   g_set_io_error (error,
1172                   /* Translators: This is an error message when trying to find
1173                    * the enclosing (user visible) mount of a file, but none
1174                    * exists.
1175                    */
1176                   _("Containing mount for file %s not found"),
1177                   file, 0);
1178
1179   return NULL;
1180 }
1181
1182 static GFile *
1183 g_local_file_set_display_name (GFile         *file,
1184                                const char    *display_name,
1185                                GCancellable  *cancellable,
1186                                GError       **error)
1187 {
1188   GLocalFile *local, *new_local;
1189   GFile *new_file, *parent;
1190   GStatBuf statbuf;
1191   GVfsClass *class;
1192   GVfs *vfs;
1193   int errsv;
1194
1195   parent = g_file_get_parent (file);
1196   if (parent == NULL)
1197     {
1198       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
1199                            _("Can’t rename root directory"));
1200       return NULL;
1201     }
1202
1203   new_file = g_file_get_child_for_display_name (parent, display_name, error);
1204   g_object_unref (parent);
1205
1206   if (new_file == NULL)
1207     return NULL;
1208   local = G_LOCAL_FILE (file);
1209   new_local = G_LOCAL_FILE (new_file);
1210
1211   if (g_lstat (new_local->filename, &statbuf) == -1)
1212     {
1213       errsv = errno;
1214
1215       if (errsv != ENOENT)
1216         {
1217           g_set_io_error (error, _("Error renaming file %s: %s"), new_file, errsv);
1218           return NULL;
1219         }
1220     }
1221   else
1222     {
1223       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_EXISTS,
1224                            _("Can’t rename file, filename already exists"));
1225       return NULL;
1226     }
1227
1228   if (g_rename (local->filename, new_local->filename) == -1)
1229     {
1230       errsv = errno;
1231
1232       if (errsv == EINVAL)
1233         /* We can't get a rename file into itself error here,
1234          * so this must be an invalid filename, on e.g. FAT
1235          */
1236         g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_FILENAME,
1237                              _("Invalid filename"));
1238       else
1239         g_set_io_error (error,
1240                         _("Error renaming file %s: %s"),
1241                         file, errsv);
1242       g_object_unref (new_file);
1243       return NULL;
1244     }
1245
1246   vfs = g_vfs_get_default ();
1247   class = G_VFS_GET_CLASS (vfs);
1248   if (class->local_file_moved)
1249     class->local_file_moved (vfs, local->filename, new_local->filename);
1250
1251   return new_file;
1252 }
1253
1254 static GFileInfo *
1255 g_local_file_query_info (GFile                *file,
1256                          const char           *attributes,
1257                          GFileQueryInfoFlags   flags,
1258                          GCancellable         *cancellable,
1259                          GError              **error)
1260 {
1261   GLocalFile *local = G_LOCAL_FILE (file);
1262   GFileInfo *info;
1263   GFileAttributeMatcher *matcher;
1264   char *basename, *dirname;
1265   GLocalParentFileInfo parent_info;
1266
1267   matcher = g_file_attribute_matcher_new (attributes);
1268
1269   basename = g_path_get_basename (local->filename);
1270
1271   dirname = g_path_get_dirname (local->filename);
1272   _g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
1273   g_free (dirname);
1274
1275   info = _g_local_file_info_get (basename, local->filename,
1276                                  matcher, flags, &parent_info,
1277                                  error);
1278
1279
1280   _g_local_file_info_free_parent_info (&parent_info);
1281   g_free (basename);
1282
1283   g_file_attribute_matcher_unref (matcher);
1284
1285   return info;
1286 }
1287
1288 static GFileAttributeInfoList *
1289 g_local_file_query_settable_attributes (GFile         *file,
1290                                         GCancellable  *cancellable,
1291                                         GError       **error)
1292 {
1293   return g_file_attribute_info_list_ref (local_writable_attributes);
1294 }
1295
1296 static GFileAttributeInfoList *
1297 g_local_file_query_writable_namespaces (GFile         *file,
1298                                         GCancellable  *cancellable,
1299                                         GError       **error)
1300 {
1301   GFileAttributeInfoList *list;
1302   GVfsClass *class;
1303   GVfs *vfs;
1304
1305   if (g_once_init_enter (&local_writable_namespaces))
1306     {
1307       /* Writable namespaces: */
1308
1309       list = g_file_attribute_info_list_new ();
1310
1311 #ifdef HAVE_XATTR
1312       g_file_attribute_info_list_add (list,
1313                                       "xattr",
1314                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1315                                       G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
1316                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1317       g_file_attribute_info_list_add (list,
1318                                       "xattr-sys",
1319                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1320                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1321 #endif
1322
1323       vfs = g_vfs_get_default ();
1324       class = G_VFS_GET_CLASS (vfs);
1325       if (class->add_writable_namespaces)
1326         class->add_writable_namespaces (vfs, list);
1327
1328       g_once_init_leave (&local_writable_namespaces, (gsize)list);
1329     }
1330   list = (GFileAttributeInfoList *)local_writable_namespaces;
1331
1332   return g_file_attribute_info_list_ref (list);
1333 }
1334
1335 static gboolean
1336 g_local_file_set_attribute (GFile                *file,
1337                             const char           *attribute,
1338                             GFileAttributeType    type,
1339                             gpointer              value_p,
1340                             GFileQueryInfoFlags   flags,
1341                             GCancellable         *cancellable,
1342                             GError              **error)
1343 {
1344   GLocalFile *local = G_LOCAL_FILE (file);
1345
1346   return _g_local_file_info_set_attribute (local->filename,
1347                                            attribute,
1348                                            type,
1349                                            value_p,
1350                                            flags,
1351                                            cancellable,
1352                                            error);
1353 }
1354
1355 static gboolean
1356 g_local_file_set_attributes_from_info (GFile                *file,
1357                                        GFileInfo            *info,
1358                                        GFileQueryInfoFlags   flags,
1359                                        GCancellable         *cancellable,
1360                                        GError              **error)
1361 {
1362   GLocalFile *local = G_LOCAL_FILE (file);
1363   int res, chained_res;
1364   GFileIface *default_iface;
1365
1366   res = _g_local_file_info_set_attributes (local->filename,
1367                                            info, flags,
1368                                            cancellable,
1369                                            error);
1370
1371   if (!res)
1372     error = NULL; /* Don't write over error if further errors */
1373
1374   default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1375
1376   chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1377
1378   return res && chained_res;
1379 }
1380
1381 static GFileInputStream *
1382 g_local_file_read (GFile         *file,
1383                    GCancellable  *cancellable,
1384                    GError       **error)
1385 {
1386   GLocalFile *local = G_LOCAL_FILE (file);
1387   int fd, ret;
1388   GLocalFileStat buf;
1389
1390   fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
1391   if (fd == -1)
1392     {
1393       int errsv = errno;
1394
1395 #ifdef G_OS_WIN32
1396       if (errsv == EACCES)
1397         {
1398           ret = _stati64 (local->filename, &buf);
1399           if (ret == 0 && S_ISDIR (buf.st_mode))
1400             errsv = EISDIR;
1401         }
1402 #endif
1403       g_set_io_error (error,
1404                       _("Error opening file %s: %s"),
1405                       file, errsv);
1406       return NULL;
1407     }
1408
1409 #ifdef G_OS_WIN32
1410   ret = _fstati64 (fd, &buf);
1411 #else
1412   ret = fstat (fd, &buf);
1413 #endif
1414
1415   if (ret == 0 && S_ISDIR (buf.st_mode))
1416     {
1417       (void) g_close (fd, NULL);
1418       g_set_io_error (error,
1419                       _("Error opening file %s: %s"),
1420                       file, EISDIR);
1421       return NULL;
1422     }
1423
1424   return _g_local_file_input_stream_new (fd);
1425 }
1426
1427 static GFileOutputStream *
1428 g_local_file_append_to (GFile             *file,
1429                         GFileCreateFlags   flags,
1430                         GCancellable      *cancellable,
1431                         GError           **error)
1432 {
1433   return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1434                                              flags, cancellable, error);
1435 }
1436
1437 static GFileOutputStream *
1438 g_local_file_create (GFile             *file,
1439                      GFileCreateFlags   flags,
1440                      GCancellable      *cancellable,
1441                      GError           **error)
1442 {
1443   return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1444                                              FALSE, flags, NULL,
1445                                              cancellable, error);
1446 }
1447
1448 static GFileOutputStream *
1449 g_local_file_replace (GFile             *file,
1450                       const char        *etag,
1451                       gboolean           make_backup,
1452                       GFileCreateFlags   flags,
1453                       GCancellable      *cancellable,
1454                       GError           **error)
1455 {
1456   return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1457                                               FALSE,
1458                                               etag, make_backup, flags, NULL,
1459                                               cancellable, error);
1460 }
1461
1462 static GFileIOStream *
1463 g_local_file_open_readwrite (GFile                      *file,
1464                              GCancellable               *cancellable,
1465                              GError                    **error)
1466 {
1467   GFileOutputStream *output;
1468   GFileIOStream *res;
1469
1470   output = _g_local_file_output_stream_open (G_LOCAL_FILE (file)->filename,
1471                                              TRUE,
1472                                              cancellable, error);
1473   if (output == NULL)
1474     return NULL;
1475
1476   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1477   g_object_unref (output);
1478   return res;
1479 }
1480
1481 static GFileIOStream *
1482 g_local_file_create_readwrite (GFile                      *file,
1483                                GFileCreateFlags            flags,
1484                                GCancellable               *cancellable,
1485                                GError                    **error)
1486 {
1487   GFileOutputStream *output;
1488   GFileIOStream *res;
1489
1490   output = _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1491                                                TRUE, flags, NULL,
1492                                                cancellable, error);
1493   if (output == NULL)
1494     return NULL;
1495
1496   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1497   g_object_unref (output);
1498   return res;
1499 }
1500
1501 static GFileIOStream *
1502 g_local_file_replace_readwrite (GFile                      *file,
1503                                 const char                 *etag,
1504                                 gboolean                    make_backup,
1505                                 GFileCreateFlags            flags,
1506                                 GCancellable               *cancellable,
1507                                 GError                    **error)
1508 {
1509   GFileOutputStream *output;
1510   GFileIOStream *res;
1511
1512   output = _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1513                                                 TRUE,
1514                                                 etag, make_backup, flags, NULL,
1515                                                 cancellable, error);
1516   if (output == NULL)
1517     return NULL;
1518
1519   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1520   g_object_unref (output);
1521   return res;
1522 }
1523
1524 static gboolean
1525 g_local_file_delete (GFile         *file,
1526                      GCancellable  *cancellable,
1527                      GError       **error)
1528 {
1529   GLocalFile *local = G_LOCAL_FILE (file);
1530   GVfsClass *class;
1531   GVfs *vfs;
1532
1533   if (g_remove (local->filename) == -1)
1534     {
1535       int errsv = errno;
1536
1537       /* Posix allows EEXIST too, but the more sane error
1538          is G_IO_ERROR_NOT_FOUND, and it's what nautilus
1539          expects */
1540       if (errsv == EEXIST)
1541         errsv = ENOTEMPTY;
1542
1543       g_set_io_error (error,
1544                       _("Error removing file %s: %s"),
1545                       file, errsv);
1546       return FALSE;
1547     }
1548
1549   vfs = g_vfs_get_default ();
1550   class = G_VFS_GET_CLASS (vfs);
1551   if (class->local_file_removed)
1552     class->local_file_removed (vfs, local->filename);
1553
1554   return TRUE;
1555 }
1556
1557 #ifndef G_OS_WIN32
1558
1559 static char *
1560 strip_trailing_slashes (const char *path)
1561 {
1562   char *path_copy;
1563   int len;
1564
1565   path_copy = g_strdup (path);
1566   len = strlen (path_copy);
1567   while (len > 1 && path_copy[len-1] == '/')
1568     path_copy[--len] = 0;
1569
1570   return path_copy;
1571  }
1572
1573 static char *
1574 expand_symlink (const char *link)
1575 {
1576   char *resolved, *canonical, *parent, *link2;
1577   char symlink_value[4096];
1578 #ifdef G_OS_WIN32
1579 #else
1580   ssize_t res;
1581 #endif
1582
1583 #ifdef G_OS_WIN32
1584 #else
1585   res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
1586
1587   if (res == -1)
1588     return g_strdup (link);
1589   symlink_value[res] = 0;
1590 #endif
1591
1592   if (g_path_is_absolute (symlink_value))
1593     return canonicalize_filename (symlink_value);
1594   else
1595     {
1596       link2 = strip_trailing_slashes (link);
1597       parent = g_path_get_dirname (link2);
1598       g_free (link2);
1599
1600       resolved = g_build_filename (parent, symlink_value, NULL);
1601       g_free (parent);
1602
1603       canonical = canonicalize_filename (resolved);
1604
1605       g_free (resolved);
1606
1607       return canonical;
1608     }
1609 }
1610
1611 static char *
1612 get_parent (const char *path,
1613             dev_t      *parent_dev)
1614 {
1615   char *parent, *tmp;
1616   GStatBuf parent_stat;
1617   int num_recursions;
1618   char *path_copy;
1619
1620   path_copy = strip_trailing_slashes (path);
1621
1622   parent = g_path_get_dirname (path_copy);
1623   if (strcmp (parent, ".") == 0 ||
1624       strcmp (parent, path_copy) == 0)
1625     {
1626       g_free (parent);
1627       g_free (path_copy);
1628       return NULL;
1629     }
1630   g_free (path_copy);
1631
1632   num_recursions = 0;
1633   do {
1634     if (g_lstat (parent, &parent_stat) != 0)
1635       {
1636         g_free (parent);
1637         return NULL;
1638       }
1639
1640     if (S_ISLNK (parent_stat.st_mode))
1641       {
1642         tmp = parent;
1643         parent = expand_symlink (parent);
1644         g_free (tmp);
1645       }
1646
1647     num_recursions++;
1648     if (num_recursions > 12)
1649       {
1650         g_free (parent);
1651         return NULL;
1652       }
1653   } while (S_ISLNK (parent_stat.st_mode));
1654
1655   *parent_dev = parent_stat.st_dev;
1656
1657   return parent;
1658 }
1659
1660 static char *
1661 expand_all_symlinks (const char *path)
1662 {
1663   char *parent, *parent_expanded;
1664   char *basename, *res;
1665   dev_t parent_dev;
1666
1667   parent = get_parent (path, &parent_dev);
1668   if (parent)
1669     {
1670       parent_expanded = expand_all_symlinks (parent);
1671       g_free (parent);
1672       basename = g_path_get_basename (path);
1673       res = g_build_filename (parent_expanded, basename, NULL);
1674       g_free (basename);
1675       g_free (parent_expanded);
1676     }
1677   else
1678     res = g_strdup (path);
1679
1680   return res;
1681 }
1682
1683 static char *
1684 find_mountpoint_for (const char *file,
1685                      dev_t       dev)
1686 {
1687   char *dir, *parent;
1688   dev_t dir_dev, parent_dev;
1689
1690   dir = g_strdup (file);
1691   dir_dev = dev;
1692
1693   while (1)
1694     {
1695       parent = get_parent (dir, &parent_dev);
1696       if (parent == NULL)
1697         return dir;
1698
1699       if (parent_dev != dir_dev)
1700         {
1701           g_free (parent);
1702           return dir;
1703         }
1704
1705       g_free (dir);
1706       dir = parent;
1707     }
1708 }
1709
1710 char *
1711 _g_local_file_find_topdir_for (const char *file)
1712 {
1713   char *dir;
1714   char *mountpoint = NULL;
1715   dev_t dir_dev;
1716
1717   dir = get_parent (file, &dir_dev);
1718   if (dir == NULL)
1719     return NULL;
1720
1721   mountpoint = find_mountpoint_for (dir, dir_dev);
1722   g_free (dir);
1723
1724   return mountpoint;
1725 }
1726
1727 static char *
1728 get_unique_filename (const char *basename,
1729                      int         id)
1730 {
1731   const char *dot;
1732
1733   if (id == 1)
1734     return g_strdup (basename);
1735
1736   dot = strchr (basename, '.');
1737   if (dot)
1738     return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1739   else
1740     return g_strdup_printf ("%s.%d", basename, id);
1741 }
1742
1743 static gboolean
1744 path_has_prefix (const char *path,
1745                  const char *prefix)
1746 {
1747   int prefix_len;
1748
1749   if (prefix == NULL)
1750     return TRUE;
1751
1752   prefix_len = strlen (prefix);
1753
1754   if (strncmp (path, prefix, prefix_len) == 0 &&
1755       (prefix_len == 0 || /* empty prefix always matches */
1756        prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1757        path[prefix_len] == 0 ||
1758        path[prefix_len] == '/'))
1759     return TRUE;
1760
1761   return FALSE;
1762 }
1763
1764 static char *
1765 try_make_relative (const char *path,
1766                    const char *base)
1767 {
1768   char *path2, *base2;
1769   char *relative;
1770
1771   path2 = expand_all_symlinks (path);
1772   base2 = expand_all_symlinks (base);
1773
1774   relative = NULL;
1775   if (path_has_prefix (path2, base2))
1776     {
1777       relative = path2 + strlen (base2);
1778       while (*relative == '/')
1779         relative ++;
1780       relative = g_strdup (relative);
1781     }
1782   g_free (path2);
1783   g_free (base2);
1784
1785   if (relative)
1786     return relative;
1787
1788   /* Failed, use abs path */
1789   return g_strdup (path);
1790 }
1791
1792 gboolean
1793 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1794 {
1795   static gsize home_dev_set = 0;
1796   static dev_t home_dev;
1797   char *topdir, *globaldir, *trashdir, *tmpname;
1798   uid_t uid;
1799   char uid_str[32];
1800   GStatBuf global_stat, trash_stat;
1801   gboolean res;
1802
1803   if (g_once_init_enter (&home_dev_set))
1804     {
1805       GStatBuf home_stat;
1806
1807       g_stat (g_get_home_dir (), &home_stat);
1808       home_dev = home_stat.st_dev;
1809       g_once_init_leave (&home_dev_set, 1);
1810     }
1811
1812   /* Assume we can trash to the home */
1813   if (dir_dev == home_dev)
1814     return TRUE;
1815
1816   topdir = find_mountpoint_for (dirname, dir_dev);
1817   if (topdir == NULL)
1818     return FALSE;
1819
1820   globaldir = g_build_filename (topdir, ".Trash", NULL);
1821   if (g_lstat (globaldir, &global_stat) == 0 &&
1822       S_ISDIR (global_stat.st_mode) &&
1823       (global_stat.st_mode & S_ISVTX) != 0)
1824     {
1825       /* got a toplevel sysadmin created dir, assume we
1826        * can trash to it (we should be able to create a dir)
1827        * This fails for the FAT case where the ownership of
1828        * that dir would be wrong though..
1829        */
1830       g_free (globaldir);
1831       g_free (topdir);
1832       return TRUE;
1833     }
1834   g_free (globaldir);
1835
1836   /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1837   uid = geteuid ();
1838   g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long) uid);
1839
1840   tmpname = g_strdup_printf (".Trash-%s", uid_str);
1841   trashdir = g_build_filename (topdir, tmpname, NULL);
1842   g_free (tmpname);
1843
1844   if (g_lstat (trashdir, &trash_stat) == 0)
1845     {
1846       g_free (topdir);
1847       g_free (trashdir);
1848       return S_ISDIR (trash_stat.st_mode) &&
1849              trash_stat.st_uid == uid;
1850     }
1851   g_free (trashdir);
1852
1853   /* User specific trash didn't exist, can we create it? */
1854   res = g_access (topdir, W_OK) == 0;
1855   g_free (topdir);
1856
1857   return res;
1858 }
1859
1860 #ifdef G_OS_UNIX
1861 gboolean
1862 _g_local_file_is_lost_found_dir (const char *path, dev_t path_dev)
1863 {
1864   gboolean ret = FALSE;
1865   gchar *mount_dir = NULL;
1866   size_t mount_dir_len;
1867   GStatBuf statbuf;
1868
1869   if (!g_str_has_suffix (path, "/lost+found"))
1870     goto out;
1871
1872   mount_dir = find_mountpoint_for (path, path_dev);
1873   if (mount_dir == NULL)
1874     goto out;
1875
1876   mount_dir_len = strlen (mount_dir);
1877   /* We special-case rootfs ('/') since it's the only case where
1878    * mount_dir ends in '/'
1879    */
1880   if (mount_dir_len == 1)
1881     mount_dir_len--;
1882   if (mount_dir_len + strlen ("/lost+found") != strlen (path))
1883     goto out;
1884
1885   if (g_lstat (path, &statbuf) != 0)
1886     goto out;
1887
1888   if (!(S_ISDIR (statbuf.st_mode) &&
1889         statbuf.st_uid == 0 &&
1890         statbuf.st_gid == 0))
1891     goto out;
1892
1893   ret = TRUE;
1894
1895  out:
1896   g_free (mount_dir);
1897   return ret;
1898 }
1899 #endif
1900
1901 static gboolean
1902 g_local_file_trash (GFile         *file,
1903                     GCancellable  *cancellable,
1904                     GError       **error)
1905 {
1906   GLocalFile *local = G_LOCAL_FILE (file);
1907   GStatBuf file_stat, home_stat;
1908   const char *homedir;
1909   char *trashdir, *topdir, *infodir, *filesdir;
1910   char *basename, *trashname, *trashfile, *infoname, *infofile;
1911   char *original_name, *original_name_escaped;
1912   int i;
1913   char *data;
1914   gboolean is_homedir_trash;
1915   char delete_time[32];
1916   int fd;
1917   GStatBuf trash_stat, global_stat;
1918   char *dirname, *globaldir;
1919   GVfsClass *class;
1920   GVfs *vfs;
1921   int errsv;
1922
1923   if (g_lstat (local->filename, &file_stat) != 0)
1924     {
1925       errsv = errno;
1926
1927       g_set_io_error (error,
1928                       _("Error trashing file %s: %s"),
1929                       file, errsv);
1930       return FALSE;
1931     }
1932
1933   homedir = g_get_home_dir ();
1934   g_stat (homedir, &home_stat);
1935
1936   is_homedir_trash = FALSE;
1937   trashdir = NULL;
1938   if (file_stat.st_dev == home_stat.st_dev)
1939     {
1940       is_homedir_trash = TRUE;
1941       errno = 0;
1942       trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
1943       if (g_mkdir_with_parents (trashdir, 0700) < 0)
1944         {
1945           char *display_name;
1946           errsv = errno;
1947
1948           display_name = g_filename_display_name (trashdir);
1949           g_set_error (error, G_IO_ERROR,
1950                        g_io_error_from_errno (errsv),
1951                        _("Unable to create trash dir %s: %s"),
1952                        display_name, g_strerror (errsv));
1953           g_free (display_name);
1954           g_free (trashdir);
1955           return FALSE;
1956         }
1957       topdir = g_strdup (g_get_user_data_dir ());
1958     }
1959   else
1960     {
1961       uid_t uid;
1962       char uid_str[32];
1963
1964       uid = geteuid ();
1965       g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
1966
1967       topdir = _g_local_file_find_topdir_for (local->filename);
1968       if (topdir == NULL)
1969         {
1970           g_set_io_error (error,
1971                           _("Unable to find toplevel directory to trash %s"),
1972                           file, G_IO_ERROR_NOT_SUPPORTED);
1973           return FALSE;
1974         }
1975
1976       /* Try looking for global trash dir $topdir/.Trash/$uid */
1977       globaldir = g_build_filename (topdir, ".Trash", NULL);
1978       if (g_lstat (globaldir, &global_stat) == 0 &&
1979           S_ISDIR (global_stat.st_mode) &&
1980           (global_stat.st_mode & S_ISVTX) != 0)
1981         {
1982           trashdir = g_build_filename (globaldir, uid_str, NULL);
1983
1984           if (g_lstat (trashdir, &trash_stat) == 0)
1985             {
1986               if (!S_ISDIR (trash_stat.st_mode) ||
1987                   trash_stat.st_uid != uid)
1988                 {
1989                   /* Not a directory or not owned by user, ignore */
1990                   g_free (trashdir);
1991                   trashdir = NULL;
1992                 }
1993             }
1994           else if (g_mkdir (trashdir, 0700) == -1)
1995             {
1996               g_free (trashdir);
1997               trashdir = NULL;
1998             }
1999         }
2000       g_free (globaldir);
2001
2002       if (trashdir == NULL)
2003         {
2004           gboolean tried_create;
2005
2006           /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
2007           dirname = g_strdup_printf (".Trash-%s", uid_str);
2008           trashdir = g_build_filename (topdir, dirname, NULL);
2009           g_free (dirname);
2010
2011           tried_create = FALSE;
2012
2013         retry:
2014           if (g_lstat (trashdir, &trash_stat) == 0)
2015             {
2016               if (!S_ISDIR (trash_stat.st_mode) ||
2017                   trash_stat.st_uid != uid)
2018                 {
2019                   /* Remove the failed directory */
2020                   if (tried_create)
2021                     g_remove (trashdir);
2022
2023                   /* Not a directory or not owned by user, ignore */
2024                   g_free (trashdir);
2025                   trashdir = NULL;
2026                 }
2027             }
2028           else
2029             {
2030               if (!tried_create &&
2031                   g_mkdir (trashdir, 0700) != -1)
2032                 {
2033                   /* Ensure that the created dir has the right uid etc.
2034                      This might fail on e.g. a FAT dir */
2035                   tried_create = TRUE;
2036                   goto retry;
2037                 }
2038               else
2039                 {
2040                   g_free (trashdir);
2041                   trashdir = NULL;
2042                 }
2043             }
2044         }
2045
2046       if (trashdir == NULL)
2047         {
2048           g_free (topdir);
2049           g_set_io_error (error,
2050                           _("Unable to find or create trash directory for %s"),
2051                           file, G_IO_ERROR_NOT_SUPPORTED);
2052           return FALSE;
2053         }
2054     }
2055
2056   /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
2057
2058   infodir = g_build_filename (trashdir, "info", NULL);
2059   filesdir = g_build_filename (trashdir, "files", NULL);
2060   g_free (trashdir);
2061
2062   /* Make sure we have the subdirectories */
2063   if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
2064       (g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
2065     {
2066       g_free (topdir);
2067       g_free (infodir);
2068       g_free (filesdir);
2069       g_set_io_error (error,
2070                       _("Unable to find or create trash directory for %s"),
2071                       file, G_IO_ERROR_NOT_SUPPORTED);
2072       return FALSE;
2073     }
2074
2075   basename = g_path_get_basename (local->filename);
2076   i = 1;
2077   trashname = NULL;
2078   infofile = NULL;
2079   do {
2080     g_free (trashname);
2081     g_free (infofile);
2082
2083     trashname = get_unique_filename (basename, i++);
2084     infoname = g_strconcat (trashname, ".trashinfo", NULL);
2085     infofile = g_build_filename (infodir, infoname, NULL);
2086     g_free (infoname);
2087
2088     fd = g_open (infofile, O_CREAT | O_EXCL, 0666);
2089     errsv = errno;
2090   } while (fd == -1 && errsv == EEXIST);
2091
2092   g_free (basename);
2093   g_free (infodir);
2094
2095   if (fd == -1)
2096     {
2097       errsv = errno;
2098
2099       g_free (filesdir);
2100       g_free (topdir);
2101       g_free (trashname);
2102       g_free (infofile);
2103
2104       g_set_io_error (error,
2105                       _("Unable to create trashing info file for %s: %s"),
2106                       file, errsv);
2107       return FALSE;
2108     }
2109
2110   (void) g_close (fd, NULL);
2111
2112   /* Write the full content of the info file before trashing to make
2113    * sure someone doesn't read an empty file.  See #749314
2114    */
2115
2116   /* Use absolute names for homedir */
2117   if (is_homedir_trash)
2118     original_name = g_strdup (local->filename);
2119   else
2120     original_name = try_make_relative (local->filename, topdir);
2121   original_name_escaped = g_uri_escape_string (original_name, "/", FALSE);
2122
2123   g_free (original_name);
2124   g_free (topdir);
2125
2126   {
2127     time_t t;
2128     struct tm now;
2129     t = time (NULL);
2130     localtime_r (&t, &now);
2131     delete_time[0] = 0;
2132     strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
2133   }
2134
2135   data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
2136                           original_name_escaped, delete_time);
2137
2138   g_file_set_contents (infofile, data, -1, NULL);
2139
2140   /* TODO: Maybe we should verify that you can delete the file from the trash
2141    * before moving it? OTOH, that is hard, as it needs a recursive scan
2142    */
2143
2144   trashfile = g_build_filename (filesdir, trashname, NULL);
2145
2146   g_free (filesdir);
2147
2148   if (g_rename (local->filename, trashfile) == -1)
2149     {
2150       errsv = errno;
2151
2152       g_unlink (infofile);
2153
2154       g_free (trashname);
2155       g_free (infofile);
2156       g_free (trashfile);
2157
2158       if (errsv == EXDEV)
2159         /* The trash dir was actually on another fs anyway!?
2160          * This can happen when the same device is mounted multiple
2161          * times, or with bind mounts of the same fs.
2162          */
2163         g_set_io_error (error,
2164                         _("Unable to trash file %s across filesystem boundaries"),
2165                         file, ENOTSUP);
2166       else
2167         g_set_io_error (error,
2168                         _("Unable to trash file %s: %s"),
2169                         file, errsv);
2170       return FALSE;
2171     }
2172
2173   vfs = g_vfs_get_default ();
2174   class = G_VFS_GET_CLASS (vfs);
2175   if (class->local_file_moved)
2176     class->local_file_moved (vfs, local->filename, trashfile);
2177
2178   g_free (trashfile);
2179
2180   /* TODO: Do we need to update mtime/atime here after the move? */
2181
2182   g_free (infofile);
2183   g_free (data);
2184
2185   g_free (original_name_escaped);
2186   g_free (trashname);
2187
2188   return TRUE;
2189 }
2190 #else /* G_OS_WIN32 */
2191 gboolean
2192 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
2193 {
2194   return FALSE;                 /* XXX ??? */
2195 }
2196
2197 static gboolean
2198 g_local_file_trash (GFile         *file,
2199                     GCancellable  *cancellable,
2200                     GError       **error)
2201 {
2202   GLocalFile *local = G_LOCAL_FILE (file);
2203   SHFILEOPSTRUCTW op = {0};
2204   gboolean success;
2205   wchar_t *wfilename;
2206   long len;
2207
2208   wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
2209   /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
2210   wfilename = g_renew (wchar_t, wfilename, len + 2);
2211   wfilename[len + 1] = 0;
2212
2213   op.wFunc = FO_DELETE;
2214   op.pFrom = wfilename;
2215   op.fFlags = FOF_ALLOWUNDO;
2216
2217   success = SHFileOperationW (&op) == 0;
2218
2219   if (success && op.fAnyOperationsAborted)
2220     {
2221       if (cancellable && !g_cancellable_is_cancelled (cancellable))
2222         g_cancellable_cancel (cancellable);
2223       g_set_io_error (error,
2224                       _("Unable to trash file %s: %s"),
2225                       file, ECANCELED);
2226       success = FALSE;
2227     }
2228   else if (!success)
2229     g_set_io_error (error,
2230                     _("Unable to trash file %s"),
2231                     file, 0);
2232
2233   g_free (wfilename);
2234   return success;
2235 }
2236 #endif /* G_OS_WIN32 */
2237
2238 static gboolean
2239 g_local_file_make_directory (GFile         *file,
2240                              GCancellable  *cancellable,
2241                              GError       **error)
2242 {
2243   GLocalFile *local = G_LOCAL_FILE (file);
2244
2245   if (g_mkdir (local->filename, 0777) == -1)
2246     {
2247       int errsv = errno;
2248
2249       if (errsv == EINVAL)
2250         /* This must be an invalid filename, on e.g. FAT */
2251         g_set_error_literal (error, G_IO_ERROR,
2252                              G_IO_ERROR_INVALID_FILENAME,
2253                              _("Invalid filename"));
2254       else
2255         g_set_io_error (error,
2256                         _("Error creating directory %s: %s"),
2257                         file, errsv);
2258       return FALSE;
2259     }
2260
2261   return TRUE;
2262 }
2263
2264 static gboolean
2265 g_local_file_make_symbolic_link (GFile         *file,
2266                                  const char    *symlink_value,
2267                                  GCancellable  *cancellable,
2268                                  GError       **error)
2269 {
2270 #ifdef HAVE_SYMLINK
2271   GLocalFile *local = G_LOCAL_FILE (file);
2272
2273   if (symlink (symlink_value, local->filename) == -1)
2274     {
2275       int errsv = errno;
2276
2277       if (errsv == EINVAL)
2278         /* This must be an invalid filename, on e.g. FAT */
2279         g_set_error_literal (error, G_IO_ERROR,
2280                              G_IO_ERROR_INVALID_FILENAME,
2281                              _("Invalid filename"));
2282       else if (errsv == EPERM)
2283         g_set_error (error, G_IO_ERROR,
2284                      G_IO_ERROR_NOT_SUPPORTED,
2285                      _("Filesystem does not support symbolic links"));
2286       else
2287         g_set_io_error (error,
2288                         _("Error making symbolic link %s: %s"),
2289                         file, errsv);
2290       return FALSE;
2291     }
2292   return TRUE;
2293 #else
2294   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _("Symbolic links not supported"));
2295   return FALSE;
2296 #endif
2297 }
2298
2299
2300 static gboolean
2301 g_local_file_copy (GFile                  *source,
2302                    GFile                  *destination,
2303                    GFileCopyFlags          flags,
2304                    GCancellable           *cancellable,
2305                    GFileProgressCallback   progress_callback,
2306                    gpointer                progress_callback_data,
2307                    GError                **error)
2308 {
2309   /* Fall back to default copy */
2310   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
2311   return FALSE;
2312 }
2313
2314 static gboolean
2315 g_local_file_move (GFile                  *source,
2316                    GFile                  *destination,
2317                    GFileCopyFlags          flags,
2318                    GCancellable           *cancellable,
2319                    GFileProgressCallback   progress_callback,
2320                    gpointer                progress_callback_data,
2321                    GError                **error)
2322 {
2323   GLocalFile *local_source, *local_destination;
2324   GStatBuf statbuf;
2325   gboolean destination_exist, source_is_dir;
2326   char *backup_name;
2327   int res;
2328   off_t source_size;
2329   GVfsClass *class;
2330   GVfs *vfs;
2331
2332   if (!G_IS_LOCAL_FILE (source) ||
2333       !G_IS_LOCAL_FILE (destination))
2334     {
2335       /* Fall back to default move */
2336       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
2337       return FALSE;
2338     }
2339
2340   local_source = G_LOCAL_FILE (source);
2341   local_destination = G_LOCAL_FILE (destination);
2342
2343   res = g_lstat (local_source->filename, &statbuf);
2344   if (res == -1)
2345     {
2346       int errsv = errno;
2347
2348       g_set_io_error (error,
2349                       _("Error moving file %s: %s"),
2350                       source, errsv);
2351       return FALSE;
2352     }
2353
2354   source_is_dir = S_ISDIR (statbuf.st_mode);
2355   source_size = statbuf.st_size;
2356
2357   destination_exist = FALSE;
2358   res = g_lstat (local_destination->filename, &statbuf);
2359   if (res == 0)
2360     {
2361       destination_exist = TRUE; /* Target file exists */
2362
2363       if (flags & G_FILE_COPY_OVERWRITE)
2364         {
2365           /* Always fail on dirs, even with overwrite */
2366           if (S_ISDIR (statbuf.st_mode))
2367             {
2368               if (source_is_dir)
2369                 g_set_error_literal (error,
2370                                      G_IO_ERROR,
2371                                      G_IO_ERROR_WOULD_MERGE,
2372                                      _("Can’t move directory over directory"));
2373               else
2374                 g_set_error_literal (error,
2375                                      G_IO_ERROR,
2376                                      G_IO_ERROR_IS_DIRECTORY,
2377                                      _("Can’t copy over directory"));
2378               return FALSE;
2379             }
2380         }
2381       else
2382         {
2383           g_set_io_error (error,
2384                           _("Error moving file %s: %s"),
2385                           source, EEXIST);
2386           return FALSE;
2387         }
2388     }
2389
2390   if (flags & G_FILE_COPY_BACKUP && destination_exist)
2391     {
2392       backup_name = g_strconcat (local_destination->filename, "~", NULL);
2393       if (g_rename (local_destination->filename, backup_name) == -1)
2394         {
2395           g_set_error_literal (error,
2396                                G_IO_ERROR,
2397                                G_IO_ERROR_CANT_CREATE_BACKUP,
2398                                _("Backup file creation failed"));
2399           g_free (backup_name);
2400           return FALSE;
2401         }
2402       g_free (backup_name);
2403       destination_exist = FALSE; /* It did, but no more */
2404     }
2405
2406   if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
2407     {
2408       /* Source is a dir, destination exists (and is not a dir, because that would have failed
2409          earlier), and we're overwriting. Manually remove the target so we can do the rename. */
2410       res = g_unlink (local_destination->filename);
2411       if (res == -1)
2412         {
2413           int errsv = errno;
2414
2415           g_set_error (error, G_IO_ERROR,
2416                        g_io_error_from_errno (errsv),
2417                        _("Error removing target file: %s"),
2418                        g_strerror (errsv));
2419           return FALSE;
2420         }
2421     }
2422
2423   if (g_rename (local_source->filename, local_destination->filename) == -1)
2424     {
2425       int errsv = errno;
2426
2427       if (errsv == EXDEV)
2428         /* This will cause the fallback code to run */
2429         g_set_error_literal (error, G_IO_ERROR,
2430                              G_IO_ERROR_NOT_SUPPORTED,
2431                              _("Move between mounts not supported"));
2432       else if (errsv == EINVAL)
2433         /* This must be an invalid filename, on e.g. FAT, or
2434            we're trying to move the file into itself...
2435            We return invalid filename for both... */
2436         g_set_error_literal (error, G_IO_ERROR,
2437                              G_IO_ERROR_INVALID_FILENAME,
2438                              _("Invalid filename"));
2439       else
2440         g_set_io_error (error,
2441                         _("Error moving file %s: %s"),
2442                         source, errsv);
2443       return FALSE;
2444     }
2445
2446   vfs = g_vfs_get_default ();
2447   class = G_VFS_GET_CLASS (vfs);
2448   if (class->local_file_moved)
2449     class->local_file_moved (vfs, local_source->filename, local_destination->filename);
2450
2451   /* Make sure we send full copied size */
2452   if (progress_callback)
2453     progress_callback (source_size, source_size, progress_callback_data);
2454
2455   return TRUE;
2456 }
2457
2458 #ifdef G_OS_WIN32
2459
2460 gboolean
2461 g_local_file_is_remote (const gchar *filename)
2462 {
2463   return FALSE;
2464 }
2465
2466 #else
2467
2468 static gboolean
2469 is_remote_fs (const gchar *filename)
2470 {
2471   const char *fsname = NULL;
2472
2473 #ifdef USE_STATFS
2474   struct statfs statfs_buffer;
2475   int statfs_result = 0;
2476
2477 #if STATFS_ARGS == 2
2478   statfs_result = statfs (filename, &statfs_buffer);
2479 #elif STATFS_ARGS == 4
2480   statfs_result = statfs (filename, &statfs_buffer, sizeof (statfs_buffer), 0);
2481 #endif
2482
2483 #elif defined(USE_STATVFS)
2484   struct statvfs statfs_buffer;
2485   int statfs_result = 0;
2486
2487   statfs_result = statvfs (filename, &statfs_buffer);
2488 #else
2489   return FALSE;
2490 #endif
2491
2492   if (statfs_result == -1)
2493     return FALSE;
2494
2495 #ifdef USE_STATFS
2496 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
2497   fsname = statfs_buffer.f_fstypename;
2498 #else
2499   fsname = get_fs_type (statfs_buffer.f_type);
2500 #endif
2501
2502 #elif defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
2503   fsname = statfs_buffer.f_basetype;
2504 #endif
2505
2506   if (fsname != NULL)
2507     {
2508       if (strcmp (fsname, "nfs") == 0)
2509         return TRUE;
2510       if (strcmp (fsname, "nfs4") == 0)
2511         return TRUE;
2512     }
2513
2514   return FALSE;
2515 }
2516
2517 gboolean
2518 g_local_file_is_remote (const gchar *filename)
2519 {
2520   static gboolean remote_home;
2521   static gsize initialized;
2522   const gchar *home;
2523
2524   home = g_get_home_dir ();
2525   if (path_has_prefix (filename, home))
2526     {
2527       if (g_once_init_enter (&initialized))
2528         {
2529           remote_home = is_remote_fs (home);
2530           g_once_init_leave (&initialized, TRUE);
2531         }
2532       return remote_home;
2533     }
2534
2535   return FALSE;
2536 }
2537 #endif /* !G_OS_WIN32 */
2538
2539 static GFileMonitor*
2540 g_local_file_monitor_dir (GFile             *file,
2541                           GFileMonitorFlags  flags,
2542                           GCancellable      *cancellable,
2543                           GError           **error)
2544 {
2545   GLocalFile *local_file = G_LOCAL_FILE (file);
2546
2547   return g_local_file_monitor_new_for_path (local_file->filename, TRUE, flags, error);
2548 }
2549
2550 static GFileMonitor*
2551 g_local_file_monitor_file (GFile             *file,
2552                            GFileMonitorFlags  flags,
2553                            GCancellable      *cancellable,
2554                            GError           **error)
2555 {
2556   GLocalFile *local_file = G_LOCAL_FILE (file);
2557
2558   return g_local_file_monitor_new_for_path (local_file->filename, FALSE, flags, error);
2559 }
2560
2561 /* Here is the GLocalFile implementation of g_file_measure_disk_usage().
2562  *
2563  * If available, we use fopenat() in preference to filenames for
2564  * efficiency and safety reasons.  We know that fopenat() is available
2565  * based on if AT_FDCWD is defined.  POSIX guarantees that this will be
2566  * defined as a macro.
2567  *
2568  * We use a linked list of stack-allocated GSList nodes in order to be
2569  * able to reconstruct the filename for error messages.  We actually
2570  * pass the filename to operate on through the top node of the list.
2571  *
2572  * In case we're using openat(), this top filename will be a basename
2573  * which should be opened in the directory which has also had its fd
2574  * passed along.  If we're not using openat() then it will be a full
2575  * absolute filename.
2576  */
2577
2578 static gboolean
2579 g_local_file_measure_size_error (GFileMeasureFlags   flags,
2580                                  gint                saved_errno,
2581                                  GSList             *name,
2582                                  GError            **error)
2583 {
2584   /* Only report an error if we were at the toplevel or if the caller
2585    * requested reporting of all errors.
2586    */
2587   if ((name->next == NULL) || (flags & G_FILE_MEASURE_REPORT_ANY_ERROR))
2588     {
2589       GString *filename;
2590       GSList *node;
2591
2592       /* Skip some work if there is no error return */
2593       if (!error)
2594         return FALSE;
2595
2596 #ifdef AT_FDCWD
2597       /* If using openat() we need to rebuild the filename for the message */
2598       filename = g_string_new (name->data);
2599       for (node = name->next; node; node = node->next)
2600         {
2601           gchar *utf8;
2602
2603           g_string_prepend_c (filename, G_DIR_SEPARATOR);
2604           utf8 = g_filename_display_name (node->data);
2605           g_string_prepend (filename, utf8);
2606           g_free (utf8);
2607         }
2608 #else
2609       {
2610         gchar *utf8;
2611
2612         /* Otherwise, we already have it, so just use it. */
2613         node = name;
2614         filename = g_string_new (NULL);
2615         utf8 = g_filename_display_name (node->data);
2616         g_string_append (filename, utf8);
2617         g_free (utf8);
2618       }
2619 #endif
2620
2621       g_set_error (error, G_IO_ERROR, g_io_error_from_errno (saved_errno),
2622                    _("Could not determine the disk usage of %s: %s"),
2623                    filename->str, g_strerror (saved_errno));
2624
2625       g_string_free (filename, TRUE);
2626
2627       return FALSE;
2628     }
2629
2630   else
2631     /* We're not reporting this error... */
2632     return TRUE;
2633 }
2634
2635 typedef struct
2636 {
2637   GFileMeasureFlags  flags;
2638   dev_t              contained_on;
2639   GCancellable      *cancellable;
2640
2641   GFileMeasureProgressCallback progress_callback;
2642   gpointer                     progress_data;
2643
2644   guint64 disk_usage;
2645   guint64 num_dirs;
2646   guint64 num_files;
2647
2648   guint64 last_progress_report;
2649 } MeasureState;
2650
2651 static gboolean
2652 g_local_file_measure_size_of_contents (gint           fd,
2653                                        GSList        *dir_name,
2654                                        MeasureState  *state,
2655                                        GError       **error);
2656
2657 static gboolean
2658 g_local_file_measure_size_of_file (gint           parent_fd,
2659                                    GSList        *name,
2660                                    MeasureState  *state,
2661                                    GError       **error)
2662 {
2663   GLocalFileStat buf;
2664
2665   if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2666     return FALSE;
2667
2668 #if defined (AT_FDCWD)
2669   if (fstatat (parent_fd, name->data, &buf, AT_SYMLINK_NOFOLLOW) != 0)
2670     {
2671       int errsv = errno;
2672       return g_local_file_measure_size_error (state->flags, errsv, name, error);
2673     }
2674 #elif defined (HAVE_LSTAT) || !defined (G_OS_WIN32)
2675   if (g_lstat (name->data, &buf) != 0)
2676     {
2677       int errsv = errno;
2678       return g_local_file_measure_size_error (state->flags, errsv, name, error);
2679     }
2680 #else
2681   {
2682     const char *filename = (const gchar *) name->data;
2683     wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
2684     int retval;
2685     int save_errno;
2686     int len;
2687
2688     if (wfilename == NULL)
2689       return g_local_file_measure_size_error (state->flags, errno, name, error);
2690
2691     len = wcslen (wfilename);
2692     while (len > 0 && G_IS_DIR_SEPARATOR (wfilename[len-1]))
2693       len--;
2694     if (len > 0 &&
2695         (!g_path_is_absolute (filename) || len > g_path_skip_root (filename) - filename))
2696       wfilename[len] = '\0';
2697
2698     retval = _wstati64 (wfilename, &buf);
2699     save_errno = errno;
2700
2701     g_free (wfilename);
2702
2703     errno = save_errno;
2704     if (retval != 0)
2705       return g_local_file_measure_size_error (state->flags, errno, name, error);
2706   }
2707 #endif
2708
2709   if (name->next)
2710     {
2711       /* If not at the toplevel, check for a device boundary. */
2712
2713       if (state->flags & G_FILE_MEASURE_NO_XDEV)
2714         if (state->contained_on != buf.st_dev)
2715           return TRUE;
2716     }
2717   else
2718     {
2719       /* If, however, this is the toplevel, set the device number so
2720        * that recursive invocations can compare against it.
2721        */
2722       state->contained_on = buf.st_dev;
2723     }
2724
2725 #if defined (HAVE_STRUCT_STAT_ST_BLOCKS)
2726   if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2727     state->disk_usage += buf.st_blocks * G_GUINT64_CONSTANT (512);
2728   else
2729 #endif
2730     state->disk_usage += buf.st_size;
2731
2732   if (S_ISDIR (buf.st_mode))
2733     state->num_dirs++;
2734   else
2735     state->num_files++;
2736
2737   if (state->progress_callback)
2738     {
2739       /* We could attempt to do some cleverness here in order to avoid
2740        * calling clock_gettime() so much, but we're doing stats and opens
2741        * all over the place already...
2742        */
2743       if (state->last_progress_report)
2744         {
2745           guint64 now;
2746
2747           now = g_get_monotonic_time ();
2748
2749           if (state->last_progress_report + 200 * G_TIME_SPAN_MILLISECOND < now)
2750             {
2751               (* state->progress_callback) (TRUE,
2752                                             state->disk_usage, state->num_dirs, state->num_files,
2753                                             state->progress_data);
2754               state->last_progress_report = now;
2755             }
2756         }
2757       else
2758         {
2759           /* We must do an initial report to inform that more reports
2760            * will be coming.
2761            */
2762           (* state->progress_callback) (TRUE, 0, 0, 0, state->progress_data);
2763           state->last_progress_report = g_get_monotonic_time ();
2764         }
2765     }
2766
2767   if (S_ISDIR (buf.st_mode))
2768     {
2769       int dir_fd = -1;
2770       int errsv;
2771
2772       if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2773         return FALSE;
2774
2775 #ifdef AT_FDCWD
2776 #ifdef HAVE_OPEN_O_DIRECTORY
2777       dir_fd = openat (parent_fd, name->data, O_RDONLY|O_DIRECTORY);
2778 #else
2779       dir_fd = openat (parent_fd, name->data, O_RDONLY);
2780 #endif
2781       errsv = errno;
2782       if (dir_fd < 0)
2783         return g_local_file_measure_size_error (state->flags, errsv, name, error);
2784 #endif
2785
2786       if (!g_local_file_measure_size_of_contents (dir_fd, name, state, error))
2787         return FALSE;
2788     }
2789
2790   return TRUE;
2791 }
2792
2793 static gboolean
2794 g_local_file_measure_size_of_contents (gint           fd,
2795                                        GSList        *dir_name,
2796                                        MeasureState  *state,
2797                                        GError       **error)
2798 {
2799   gboolean success = TRUE;
2800   const gchar *name;
2801   GDir *dir;
2802
2803 #ifdef AT_FDCWD
2804   {
2805     /* If this fails, we want to preserve the errno from fopendir() */
2806     DIR *dirp;
2807     dirp = fdopendir (fd);
2808     dir = dirp ? GLIB_PRIVATE_CALL(g_dir_new_from_dirp) (dirp) : NULL;
2809   }
2810 #else
2811   dir = GLIB_PRIVATE_CALL(g_dir_open_with_errno) (dir_name->data, 0);
2812 #endif
2813
2814   if (dir == NULL)
2815     {
2816       gint saved_errno = errno;
2817
2818 #ifdef AT_FDCWD
2819       close (fd);
2820 #endif
2821
2822       return g_local_file_measure_size_error (state->flags, saved_errno, dir_name, error);
2823     }
2824
2825   while (success && (name = g_dir_read_name (dir)))
2826     {
2827       GSList node;
2828
2829       node.next = dir_name;
2830 #ifdef AT_FDCWD
2831       node.data = (gchar *) name;
2832 #else
2833       node.data = g_build_filename (dir_name->data, name, NULL);
2834 #endif
2835
2836       success = g_local_file_measure_size_of_file (fd, &node, state, error);
2837
2838 #ifndef AT_FDCWD
2839       g_free (node.data);
2840 #endif
2841     }
2842
2843   g_dir_close (dir);
2844
2845   return success;
2846 }
2847
2848 static gboolean
2849 g_local_file_measure_disk_usage (GFile                         *file,
2850                                  GFileMeasureFlags              flags,
2851                                  GCancellable                  *cancellable,
2852                                  GFileMeasureProgressCallback   progress_callback,
2853                                  gpointer                       progress_data,
2854                                  guint64                       *disk_usage,
2855                                  guint64                       *num_dirs,
2856                                  guint64                       *num_files,
2857                                  GError                       **error)
2858 {
2859   GLocalFile *local_file = G_LOCAL_FILE (file);
2860   MeasureState state = { 0, };
2861   gint root_fd = -1;
2862   GSList node;
2863
2864   state.flags = flags;
2865   state.cancellable = cancellable;
2866   state.progress_callback = progress_callback;
2867   state.progress_data = progress_data;
2868
2869 #ifdef AT_FDCWD
2870   root_fd = AT_FDCWD;
2871 #endif
2872
2873   node.data = local_file->filename;
2874   node.next = NULL;
2875
2876   if (!g_local_file_measure_size_of_file (root_fd, &node, &state, error))
2877     return FALSE;
2878
2879   if (disk_usage)
2880     *disk_usage = state.disk_usage;
2881
2882   if (num_dirs)
2883     *num_dirs = state.num_dirs;
2884
2885   if (num_files)
2886     *num_files = state.num_files;
2887
2888   return TRUE;
2889 }
2890
2891 static void
2892 g_local_file_file_iface_init (GFileIface *iface)
2893 {
2894   iface->dup = g_local_file_dup;
2895   iface->hash = g_local_file_hash;
2896   iface->equal = g_local_file_equal;
2897   iface->is_native = g_local_file_is_native;
2898   iface->has_uri_scheme = g_local_file_has_uri_scheme;
2899   iface->get_uri_scheme = g_local_file_get_uri_scheme;
2900   iface->get_basename = g_local_file_get_basename;
2901   iface->get_path = g_local_file_get_path;
2902   iface->get_uri = g_local_file_get_uri;
2903   iface->get_parse_name = g_local_file_get_parse_name;
2904   iface->get_parent = g_local_file_get_parent;
2905   iface->prefix_matches = g_local_file_prefix_matches;
2906   iface->get_relative_path = g_local_file_get_relative_path;
2907   iface->resolve_relative_path = g_local_file_resolve_relative_path;
2908   iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2909   iface->set_display_name = g_local_file_set_display_name;
2910   iface->enumerate_children = g_local_file_enumerate_children;
2911   iface->query_info = g_local_file_query_info;
2912   iface->query_filesystem_info = g_local_file_query_filesystem_info;
2913   iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2914   iface->query_settable_attributes = g_local_file_query_settable_attributes;
2915   iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2916   iface->set_attribute = g_local_file_set_attribute;
2917   iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2918   iface->read_fn = g_local_file_read;
2919   iface->append_to = g_local_file_append_to;
2920   iface->create = g_local_file_create;
2921   iface->replace = g_local_file_replace;
2922   iface->open_readwrite = g_local_file_open_readwrite;
2923   iface->create_readwrite = g_local_file_create_readwrite;
2924   iface->replace_readwrite = g_local_file_replace_readwrite;
2925   iface->delete_file = g_local_file_delete;
2926   iface->trash = g_local_file_trash;
2927   iface->make_directory = g_local_file_make_directory;
2928   iface->make_symbolic_link = g_local_file_make_symbolic_link;
2929   iface->copy = g_local_file_copy;
2930   iface->move = g_local_file_move;
2931   iface->monitor_dir = g_local_file_monitor_dir;
2932   iface->monitor_file = g_local_file_monitor_file;
2933   iface->measure_disk_usage = g_local_file_measure_disk_usage;
2934
2935   iface->supports_thread_contexts = TRUE;
2936 }