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 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, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: Alexander Larsson <alexl@redhat.com>
  21  */
  22
  23 #include <config.h>
  24
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <string.h>
  28 #include <errno.h>
  29 #include <fcntl.h>
  30 #ifdef HAVE_UNISTD_H
  31 #include <unistd.h>
  32 #endif
  33
  34 #if HAVE_SYS_STATFS_H
  35 #include <sys/statfs.h>
  36 #endif
  37 #if HAVE_SYS_STATVFS_H
  38 #include <sys/statvfs.h>
  39 #endif
  40 #if HAVE_SYS_VFS_H
  41 #include <sys/vfs.h>
  42 #elif HAVE_SYS_MOUNT_H
  43 #if HAVE_SYS_PARAM_H
  44 #include <sys/param.h>
  45 #endif
  46 #include <sys/mount.h>
  47 #endif
  48
  49 #ifndef O_BINARY
  50 #define O_BINARY 0
  51 #endif
  52
  53 #if defined(HAVE_STATFS) && defined(HAVE_STATVFS)
  54 /* Some systems have both statfs and statvfs, pick the
  55    most "native" for these */
  56 # if defined(sun) && defined(__SVR4)
  57    /* on solaris, statfs doesn't even have the
  58       f_bavail field */
  59 #  define USE_STATVFS
  60 # else
  61   /* at least on linux, statfs is the actual syscall */
  62 #  define USE_STATFS
  63 # endif
  64
  65 #elif defined(HAVE_STATFS)
  66
  67 # define USE_STATFS
  68
  69 #elif defined(HAVE_STATVFS)
  70
  71 # define USE_STATVFS
  72
  73 #endif
  74
  75 #include "glocalfile.h"
  76 #include "glocalfileinfo.h"
  77 #include "glocalfileenumerator.h"
  78 #include "glocalfileinputstream.h"
  79 #include "glocalfileoutputstream.h"
  80 #include "glocaldirectorymonitor.h"
  81 #include "glocalfilemonitor.h"
  82 #include "gmountprivate.h"
  83 #include <glib/gstdio.h>
  84 #include "glibintl.h"
  85
  86 #ifdef G_OS_WIN32
  87 #define _WIN32_WINNT 0x0500
  88 #include <windows.h>
  89 #include <io.h>
  90 #include <direct.h>
  91
  92 #ifndef FILE_READ_ONLY_VOLUME
  93 #define FILE_READ_ONLY_VOLUME           0x00080000
  94 #endif
  95
  96 #ifndef S_ISDIR
  97 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
  98 #endif
  99 #ifndef S_ISLNK
 100 #define S_ISLNK(m) (0)
 101 #endif
 102 #endif
 103
 104 #include "gioalias.h"
 105
 106 static void g_local_file_file_iface_init (GFileIface *iface);
 107
 108 static GFileAttributeInfoList *local_writable_attributes = NULL;
 109 static GFileAttributeInfoList *local_writable_namespaces = NULL;
 110
 111 struct _GLocalFile
 112 {
 113   GObject parent_instance;
 114
 115   char *filename;
 116 };
 117
 118 #define g_local_file_get_type _g_local_file_get_type
 119 G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
 120                          G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
 121                                                 g_local_file_file_iface_init))
 122
 123 static char *find_mountpoint_for (const char *file, dev_t dev);
 124
 125 static void
 126 g_local_file_finalize (GObject *object)
 127 {
 128   GLocalFile *local;
 129
 130   local = G_LOCAL_FILE (object);
 131
 132   g_free (local->filename);
 133
 134   if (G_OBJECT_CLASS (g_local_file_parent_class)->finalize)
 135     (*G_OBJECT_CLASS (g_local_file_parent_class)->finalize) (object);
 136 }
 137
 138 static void
 139 g_local_file_class_init (GLocalFileClass *klass)
 140 {
 141   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 142   GFileAttributeInfoList *list;
 143
 144   gobject_class->finalize = g_local_file_finalize;
 145
 146   /* Set up attribute lists */
 147
 148   /* Writable attributes: */
 149
 150   list = g_file_attribute_info_list_new ();
 151
 152   g_file_attribute_info_list_add (list,
 153                                   G_FILE_ATTRIBUTE_UNIX_MODE,
 154                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 155                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 156                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 157
 158 #ifdef HAVE_CHOWN
 159   g_file_attribute_info_list_add (list,
 160                                   G_FILE_ATTRIBUTE_UNIX_UID,
 161                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 162                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 163   g_file_attribute_info_list_add (list,
 164                                   G_FILE_ATTRIBUTE_UNIX_GID,
 165                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 166                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 167 #endif
 168
 169 #ifdef HAVE_SYMLINK
 170   g_file_attribute_info_list_add (list,
 171                                   G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
 172                                   G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
 173                                   0);
 174 #endif
 175
 176 #ifdef HAVE_UTIMES
 177   g_file_attribute_info_list_add (list,
 178                                   G_FILE_ATTRIBUTE_TIME_MODIFIED,
 179                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 180                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 181   g_file_attribute_info_list_add (list,
 182                                   G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
 183                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 184                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 185   g_file_attribute_info_list_add (list,
 186                                   G_FILE_ATTRIBUTE_TIME_ACCESS,
 187                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 188                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 189   g_file_attribute_info_list_add (list,
 190                                   G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
 191                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 192                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 193 #endif
 194
 195   local_writable_attributes = list;
 196
 197   /* Writable namespaces: */
 198
 199   list = g_file_attribute_info_list_new ();
 200
 201 #ifdef HAVE_XATTR
 202   g_file_attribute_info_list_add (list,
 203                                   "xattr",
 204                                   G_FILE_ATTRIBUTE_TYPE_STRING,
 205                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 206                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 207   g_file_attribute_info_list_add (list,
 208                                   "xattr-sys",
 209                                   G_FILE_ATTRIBUTE_TYPE_STRING,
 210                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 211 #endif
 212
 213   local_writable_namespaces = list;
 214 }
 215
 216 static void
 217 g_local_file_init (GLocalFile *local)
 218 {
 219 }
 220
 221
 222 static char *
 223 canonicalize_filename (const char *filename)
 224 {
 225   char *canon, *start, *p, *q;
 226   char *cwd;
 227   int i;
 228
 229   if (!g_path_is_absolute (filename))
 230     {
 231       cwd = g_get_current_dir ();
 232       canon = g_build_filename (cwd, filename, NULL);
 233       g_free (cwd);
 234     }
 235   else
 236     canon = g_strdup (filename);
 237
 238   start = (char *)g_path_skip_root (canon);
 239
 240   /* POSIX allows double slashes at the start to
 241    * mean something special (as does windows too).
 242    * So, "//" != "/", but more than two slashes
 243    * is treated as "/".
 244    */
 245   i = 0;
 246   for (p = start - 1;
 247        (p >= canon) &&
 248          G_IS_DIR_SEPARATOR (*p);
 249        p--)
 250     i++;
 251   if (i > 2)
 252     {
 253       i -= 1;
 254       start -= i;
 255       memmove (start, start+i, strlen (start+i)+1);
 256     }
 257
 258   p = start;
 259   while (*p != 0)
 260     {
 261       if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
 262         {
 263           memmove (p, p+1, strlen (p+1)+1);
 264         }
 265       else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
 266         {
 267           q = p + 2;
 268           /* Skip previous separator */
 269           p = p - 2;
 270           if (p < start)
 271             p = start;
 272           while (p > start && !G_IS_DIR_SEPARATOR (*p))
 273             p--;
 274           if (G_IS_DIR_SEPARATOR (*p))
 275             *p++ = G_DIR_SEPARATOR;
 276           memmove (p, q, strlen (q)+1);
 277         }
 278       else
 279         {
 280           /* Skip until next separator */
 281           while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
 282             p++;
 283
 284           if (*p != 0)
 285             {
 286               /* Canonicalize one separator */
 287               *p++ = G_DIR_SEPARATOR;
 288             }
 289         }
 290
 291       /* Remove additional separators */
 292       q = p;
 293       while (*q && G_IS_DIR_SEPARATOR (*q))
 294         q++;
 295
 296       if (p != q)
 297         memmove (p, q, strlen (q)+1);
 298     }
 299
 300   /* Remove trailing slashes */
 301   if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
 302     *(p-1) = 0;
 303
 304   return canon;
 305 }
 306
 307 /**
 308  * _g_local_file_new:
 309  * @filename: filename of the file to create.
 310  *
 311  * Returns: new local #GFile.
 312  **/
 313 GFile *
 314 _g_local_file_new (const char *filename)
 315 {
 316   GLocalFile *local;
 317
 318   local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
 319   local->filename = canonicalize_filename (filename);
 320
 321   return G_FILE (local);
 322 }
 323
 324 static gboolean
 325 g_local_file_is_native (GFile *file)
 326 {
 327   return TRUE;
 328 }
 329
 330 static gboolean
 331 g_local_file_has_uri_scheme (GFile      *file,
 332                              const char *uri_scheme)
 333 {
 334   return g_ascii_strcasecmp (uri_scheme, "file") == 0;
 335 }
 336
 337 static char *
 338 g_local_file_get_uri_scheme (GFile *file)
 339 {
 340   return g_strdup ("file");
 341 }
 342
 343 static char *
 344 g_local_file_get_basename (GFile *file)
 345 {
 346   return g_path_get_basename (G_LOCAL_FILE (file)->filename);
 347 }
 348
 349 static char *
 350 g_local_file_get_path (GFile *file)
 351 {
 352   return g_strdup (G_LOCAL_FILE (file)->filename);
 353 }
 354
 355 static char *
 356 g_local_file_get_uri (GFile *file)
 357 {
 358   return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
 359 }
 360
 361 static gboolean
 362 get_filename_charset (const gchar **filename_charset)
 363 {
 364   const gchar **charsets;
 365   gboolean is_utf8;
 366
 367   is_utf8 = g_get_filename_charsets (&charsets);
 368
 369   if (filename_charset)
 370     *filename_charset = charsets[0];
 371
 372   return is_utf8;
 373 }
 374
 375 static gboolean
 376 name_is_valid_for_display (const char *string,
 377                            gboolean    is_valid_utf8)
 378 {
 379   char c;
 380
 381   if (!is_valid_utf8 &&
 382       !g_utf8_validate (string, -1, NULL))
 383     return FALSE;
 384
 385   while ((c = *string++) != 0)
 386     {
 387       if (g_ascii_iscntrl (c))
 388         return FALSE;
 389     }
 390
 391   return TRUE;
 392 }
 393
 394 static char *
 395 g_local_file_get_parse_name (GFile *file)
 396 {
 397   const char *filename;
 398   char *parse_name;
 399   const gchar *charset;
 400   char *utf8_filename;
 401   char *roundtripped_filename;
 402   gboolean free_utf8_filename;
 403   gboolean is_valid_utf8;
 404   char *escaped_path;
 405
 406   filename = G_LOCAL_FILE (file)->filename;
 407   if (get_filename_charset (&charset))
 408     {
 409       utf8_filename = (char *)filename;
 410       free_utf8_filename = FALSE;
 411       is_valid_utf8 = FALSE; /* Can't guarantee this */
 412     }
 413   else
 414     {
 415       utf8_filename = g_convert (filename, -1,
 416                                  "UTF-8", charset, NULL, NULL, NULL);
 417       free_utf8_filename = TRUE;
 418       is_valid_utf8 = TRUE;
 419
 420       if (utf8_filename != NULL)
 421         {
 422           /* Make sure we can roundtrip: */
 423           roundtripped_filename = g_convert (utf8_filename, -1,
 424                                              charset, "UTF-8", NULL, NULL, NULL);
 425
 426           if (roundtripped_filename == NULL ||
 427               strcmp (utf8_filename, roundtripped_filename) != 0)
 428             {
 429               g_free (utf8_filename);
 430               utf8_filename = NULL;
 431             }
 432         }
 433     }
 434
 435   if (utf8_filename != NULL &&
 436       name_is_valid_for_display (utf8_filename, is_valid_utf8))
 437     {
 438       if (free_utf8_filename)
 439         parse_name = utf8_filename;
 440       else
 441         parse_name = g_strdup (utf8_filename);
 442     }
 443   else
 444     {
 445       escaped_path = g_uri_escape_string (filename,
 446                                           G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
 447                                           TRUE);
 448       parse_name = g_strconcat ("file://",
 449                                 (*escaped_path != '/') ? "/" : "",
 450                                 escaped_path,
 451                                 NULL);
 452
 453       g_free (escaped_path);
 454
 455       if (free_utf8_filename)
 456         g_free (utf8_filename);
 457     }
 458
 459   return parse_name;
 460 }
 461
 462 static GFile *
 463 g_local_file_get_parent (GFile *file)
 464 {
 465   GLocalFile *local = G_LOCAL_FILE (file);
 466   const char *non_root;
 467   char *dirname;
 468   GFile *parent;
 469
 470   /* Check for root */
 471   non_root = g_path_skip_root (local->filename);
 472   if (*non_root == 0)
 473     return NULL;
 474
 475   dirname = g_path_get_dirname (local->filename);
 476   parent = _g_local_file_new (dirname);
 477   g_free (dirname);
 478   return parent;
 479 }
 480
 481 static GFile *
 482 g_local_file_dup (GFile *file)
 483 {
 484   GLocalFile *local = G_LOCAL_FILE (file);
 485
 486   return _g_local_file_new (local->filename);
 487 }
 488
 489 static guint
 490 g_local_file_hash (GFile *file)
 491 {
 492   GLocalFile *local = G_LOCAL_FILE (file);
 493
 494   return g_str_hash (local->filename);
 495 }
 496
 497 static gboolean
 498 g_local_file_equal (GFile *file1,
 499                     GFile *file2)
 500 {
 501   GLocalFile *local1 = G_LOCAL_FILE (file1);
 502   GLocalFile *local2 = G_LOCAL_FILE (file2);
 503
 504   return g_str_equal (local1->filename, local2->filename);
 505 }
 506
 507 static const char *
 508 match_prefix (const char *path,
 509               const char *prefix)
 510 {
 511   int prefix_len;
 512
 513   prefix_len = strlen (prefix);
 514   if (strncmp (path, prefix, prefix_len) != 0)
 515     return NULL;
 516
 517   /* Handle the case where prefix is the root, so that
 518    * the IS_DIR_SEPRARATOR check below works */
 519   if (prefix_len > 0 &&
 520       G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
 521     prefix_len--;
 522
 523   return path + prefix_len;
 524 }
 525
 526 static gboolean
 527 g_local_file_prefix_matches (GFile *parent,
 528                              GFile *descendant)
 529 {
 530   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 531   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 532   const char *remainder;
 533
 534   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 535   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 536     return TRUE;
 537   return FALSE;
 538 }
 539
 540 static char *
 541 g_local_file_get_relative_path (GFile *parent,
 542                                 GFile *descendant)
 543 {
 544   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 545   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 546   const char *remainder;
 547
 548   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 549
 550   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 551     return g_strdup (remainder + 1);
 552   return NULL;
 553 }
 554
 555 static GFile *
 556 g_local_file_resolve_relative_path (GFile      *file,
 557                                     const char *relative_path)
 558 {
 559   GLocalFile *local = G_LOCAL_FILE (file);
 560   char *filename;
 561   GFile *child;
 562
 563   if (g_path_is_absolute (relative_path))
 564     return _g_local_file_new (relative_path);
 565
 566   filename = g_build_filename (local->filename, relative_path, NULL);
 567   child = _g_local_file_new (filename);
 568   g_free (filename);
 569
 570   return child;
 571 }
 572
 573 static GFileEnumerator *
 574 g_local_file_enumerate_children (GFile                *file,
 575                                  const char           *attributes,
 576                                  GFileQueryInfoFlags   flags,
 577                                  GCancellable         *cancellable,
 578                                  GError              **error)
 579 {
 580   GLocalFile *local = G_LOCAL_FILE (file);
 581   return _g_local_file_enumerator_new (local->filename,
 582                                        attributes, flags,
 583                                        cancellable, error);
 584 }
 585
 586 static GFile *
 587 g_local_file_get_child_for_display_name (GFile        *file,
 588                                          const char   *display_name,
 589                                          GError      **error)
 590 {
 591   GFile *parent, *new_file;
 592   char *basename;
 593
 594   basename = g_filename_from_utf8 (display_name, -1, NULL, NULL, NULL);
 595   if (basename == NULL)
 596     {
 597       g_set_error (error, G_IO_ERROR,
 598                    G_IO_ERROR_INVALID_FILENAME,
 599                    _("Invalid filename %s"), display_name);
 600       return NULL;
 601     }
 602
 603   parent = g_file_get_parent (file);
 604   new_file = g_file_get_child (file, basename);
 605   g_object_unref (parent);
 606   g_free (basename);
 607
 608   return new_file;
 609 }
 610
 611 #ifdef USE_STATFS
 612 static const char *
 613 get_fs_type (long f_type)
 614 {
 615
 616   /* filesystem ids taken from linux manpage */
 617   switch (f_type)
 618     {
 619     case 0xadf5:
 620       return "adfs";
 621     case 0xADFF:
 622       return "affs";
 623     case 0x42465331:
 624       return "befs";
 625     case 0x1BADFACE:
 626       return "bfs";
 627     case 0xFF534D42:
 628       return "cifs";
 629     case 0x73757245:
 630       return "coda";
 631     case 0x012FF7B7:
 632       return "coh";
 633     case 0x28cd3d45:
 634       return "cramfs";
 635     case 0x1373:
 636       return "devfs";
 637     case 0x00414A53:
 638       return "efs";
 639     case 0x137D:
 640       return "ext";
 641     case 0xEF51:
 642       return "ext2";
 643     case 0xEF53:
 644       return "ext3";
 645     case 0x4244:
 646       return "hfs";
 647     case 0xF995E849:
 648       return "hpfs";
 649     case 0x958458f6:
 650       return "hugetlbfs";
 651     case 0x9660:
 652       return "isofs";
 653     case 0x72b6:
 654       return "jffs2";
 655     case 0x3153464a:
 656       return "jfs";
 657     case 0x137F:
 658       return "minix";
 659     case 0x138F:
 660       return "minix2";
 661     case 0x2468:
 662       return "minix2";
 663     case 0x2478:
 664       return "minix22";
 665     case 0x4d44:
 666       return "msdos";
 667     case 0x564c:
 668       return "ncp";
 669     case 0x6969:
 670       return "nfs";
 671     case 0x5346544e:
 672       return "ntfs";
 673     case 0x9fa1:
 674       return "openprom";
 675     case 0x9fa0:
 676       return "proc";
 677     case 0x002f:
 678       return "qnx4";
 679     case 0x52654973:
 680       return "reiserfs";
 681     case 0x7275:
 682       return "romfs";
 683     case 0x517B:
 684       return "smb";
 685     case 0x012FF7B6:
 686       return "sysv2";
 687     case 0x012FF7B5:
 688       return "sysv4";
 689     case 0x01021994:
 690       return "tmpfs";
 691     case 0x15013346:
 692       return "udf";
 693     case 0x00011954:
 694       return "ufs";
 695     case 0x9fa2:
 696       return "usbdevice";
 697     case 0xa501FCF5:
 698       return "vxfs";
 699     case 0x012FF7B4:
 700       return "xenix";
 701     case 0x58465342:
 702       return "xfs";
 703     case 0x012FD16D:
 704       return "xiafs";
 705     default:
 706       return NULL;
 707     }
 708 }
 709 #endif
 710
 711 #ifndef G_OS_WIN32
 712
 713 G_LOCK_DEFINE_STATIC(mount_info_hash);
 714 static GHashTable *mount_info_hash = NULL;
 715 static guint64 mount_info_hash_cache_time = 0;
 716
 717 typedef enum {
 718   MOUNT_INFO_READONLY = 1<<0
 719 } MountInfo;
 720
 721 static gboolean
 722 device_equal (gconstpointer v1,
 723               gconstpointer v2)
 724 {
 725   return *(dev_t *)v1 == *(dev_t *)v2;
 726 }
 727
 728 static guint
 729 device_hash (gconstpointer v)
 730 {
 731   return (guint) *(dev_t *)v;
 732 }
 733
 734 static void
 735 get_mount_info (GFileInfo             *fs_info,
 736                 const char            *path,
 737                 GFileAttributeMatcher *matcher)
 738 {
 739   struct stat buf;
 740   gboolean got_info;
 741   gpointer info_as_ptr;
 742   guint mount_info;
 743   char *mountpoint;
 744   dev_t *dev;
 745   GUnixMountEntry *mount;
 746   guint64 cache_time;
 747
 748   if (g_lstat (path, &buf) != 0)
 749     return;
 750
 751   G_LOCK (mount_info_hash);
 752
 753   if (mount_info_hash == NULL)
 754     mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
 755                                              g_free, NULL);
 756
 757
 758   if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
 759     g_hash_table_remove_all (mount_info_hash);
 760
 761   got_info = g_hash_table_lookup_extended (mount_info_hash,
 762                                            &buf.st_dev,
 763                                            NULL,
 764                                            &info_as_ptr);
 765
 766   G_UNLOCK (mount_info_hash);
 767
 768   mount_info = GPOINTER_TO_UINT (info_as_ptr);
 769
 770   if (!got_info)
 771     {
 772       mount_info = 0;
 773
 774       mountpoint = find_mountpoint_for (path, buf.st_dev);
 775       if (mountpoint == NULL)
 776         mountpoint = "/";
 777
 778       mount = g_unix_mount_at (mountpoint, &cache_time);
 779       if (mount)
 780         {
 781           if (g_unix_mount_is_readonly (mount))
 782             mount_info |= MOUNT_INFO_READONLY;
 783
 784           g_unix_mount_free (mount);
 785         }
 786
 787       dev = g_new0 (dev_t, 1);
 788       *dev = buf.st_dev;
 789
 790       G_LOCK (mount_info_hash);
 791       mount_info_hash_cache_time = cache_time;
 792       g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
 793       G_UNLOCK (mount_info_hash);
 794     }
 795
 796   if (mount_info & MOUNT_INFO_READONLY)
 797     g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 798 }
 799
 800 #endif
 801
 802 #ifdef G_OS_WIN32
 803
 804 static gboolean
 805 is_xp_or_later (void)
 806 {
 807   static int result = -1;
 808
 809   if (result == -1)
 810     {
 811       OSVERSIONINFOEX ver_info = {0};
 812       DWORDLONG cond_mask = 0;
 813       int op = VER_GREATER_EQUAL;
 814
 815       ver_info.dwOSVersionInfoSize = sizeof ver_info;
 816       ver_info.dwMajorVersion = 5;
 817       ver_info.dwMinorVersion = 1;
 818
 819       VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
 820       VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
 821
 822       result = VerifyVersionInfo (&ver_info,
 823                                   VER_MAJORVERSION | VER_MINORVERSION,
 824                                   cond_mask) != 0;
 825     }
 826
 827   return result;
 828 }
 829
 830 static wchar_t *
 831 get_volume_for_path (const char *path)
 832 {
 833   long len;
 834   wchar_t *wpath;
 835   wchar_t *result;
 836
 837   wpath = g_utf8_to_utf16 (path, -1, NULL, &len, NULL);
 838   result = g_new (wchar_t, len + 2);
 839
 840   if (!GetVolumePathNameW (wpath, result, len + 2))
 841     {
 842       char *msg = g_win32_error_message (GetLastError ());
 843       g_critical ("GetVolumePathName failed: %s", msg);
 844       g_free (msg);
 845       g_free (result);
 846       g_free (wpath);
 847       return NULL;
 848     }
 849
 850   len = wcslen (result);
 851   if (len > 0 && result[len-1] != L'\\')
 852     {
 853       result = g_renew (wchar_t, result, len + 2);
 854       result[len] = L'\\';
 855       result[len + 1] = 0;
 856     }
 857
 858   g_free (wpath);
 859   return result;
 860 }
 861
 862 static char *
 863 find_mountpoint_for (const char *file, dev_t dev)
 864 {
 865   wchar_t *wpath;
 866   char *utf8_path;
 867
 868   wpath = get_volume_for_path (file);
 869   if (!wpath)
 870     return NULL;
 871
 872   utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
 873
 874   g_free (wpath);
 875   return utf8_path;
 876 }
 877
 878 static void
 879 get_filesystem_readonly (GFileInfo  *info,
 880                          const char *path)
 881 {
 882   wchar_t *rootdir;
 883
 884   rootdir = get_volume_for_path (path);
 885
 886   if (rootdir)
 887     {
 888       if (is_xp_or_later ())
 889         {
 890           DWORD flags;
 891           if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
 892             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
 893                                                (flags & FILE_READ_ONLY_VOLUME) != 0);
 894         }
 895       else
 896         {
 897           if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
 898             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 899         }
 900     }
 901
 902   g_free (rootdir);
 903 }
 904
 905 #endif /* G_OS_WIN32 */
 906
 907 static GFileInfo *
 908 g_local_file_query_filesystem_info (GFile         *file,
 909                                     const char    *attributes,
 910                                     GCancellable  *cancellable,
 911                                     GError       **error)
 912 {
 913   GLocalFile *local = G_LOCAL_FILE (file);
 914   GFileInfo *info;
 915   int statfs_result;
 916   gboolean no_size;
 917 #ifndef G_OS_WIN32
 918   guint64 block_size;
 919   const char *fstype;
 920 #ifdef USE_STATFS
 921   struct statfs statfs_buffer;
 922 #elif defined(USE_STATVFS)
 923   struct statvfs statfs_buffer;
 924 #endif
 925 #endif
 926   GFileAttributeMatcher *attribute_matcher;
 927
 928   no_size = FALSE;
 929
 930 #ifdef USE_STATFS
 931
 932 #if STATFS_ARGS == 2
 933   statfs_result = statfs (local->filename, &statfs_buffer);
 934 #elif STATFS_ARGS == 4
 935   statfs_result = statfs (local->filename, &statfs_buffer,
 936                           sizeof (statfs_buffer), 0);
 937 #endif
 938   block_size = statfs_buffer.f_bsize;
 939
 940 #if defined(__linux__)
 941   /* ncpfs does not know the amount of available and free space *
 942    * assuming ncpfs is linux specific, if you are on a non-linux platform
 943    * where ncpfs is available, please file a bug about it on bugzilla.gnome.org
 944    */
 945   if (statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0 &&
 946       /* linux/ncp_fs.h: NCP_SUPER_MAGIC == 0x564c */
 947       statfs_buffer.f_type == 0x564c)
 948     no_size = TRUE;
 949 #endif
 950
 951 #elif defined(USE_STATVFS)
 952   statfs_result = statvfs (local->filename, &statfs_buffer);
 953   block_size = statfs_buffer.f_frsize;
 954 #endif
 955
 956   if (statfs_result == -1)
 957     {
 958       int errsv = errno;
 959
 960       g_set_error (error, G_IO_ERROR,
 961                    g_io_error_from_errno (errsv),
 962                    _("Error getting filesystem info: %s"),
 963                    g_strerror (errsv));
 964       return NULL;
 965     }
 966
 967   info = g_file_info_new ();
 968
 969   attribute_matcher = g_file_attribute_matcher_new (attributes);
 970
 971   if (!no_size &&
 972       g_file_attribute_matcher_matches (attribute_matcher,
 973                                         G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
 974     {
 975 #ifdef G_OS_WIN32
 976       gchar *localdir = g_path_get_dirname (local->filename);
 977       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
 978       ULARGE_INTEGER li;
 979
 980       g_free (localdir);
 981       if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
 982         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
 983       g_free (wdirname);
 984 #else
 985       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
 986 #endif
 987     }
 988   if (!no_size &&
 989       g_file_attribute_matcher_matches (attribute_matcher,
 990                                         G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
 991     {
 992 #ifdef G_OS_WIN32
 993       gchar *localdir = g_path_get_dirname (local->filename);
 994       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
 995       ULARGE_INTEGER li;
 996
 997       g_free (localdir);
 998       if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
 999         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,  (guint64)li.QuadPart);
1000       g_free (wdirname);
1001 #else
1002       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
1003 #endif
1004     }
1005 #ifdef USE_STATFS
1006 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
1007   fstype = g_strdup(statfs_buffer.f_fstypename);
1008 #else
1009   fstype = get_fs_type (statfs_buffer.f_type);
1010 #endif
1011
1012 #elif defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
1013   fstype = g_strdup(statfs_buffer.f_basetype);
1014 #endif
1015
1016 #ifndef G_OS_WIN32
1017   if (fstype &&
1018       g_file_attribute_matcher_matches (attribute_matcher,
1019                                         G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1020     g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
1021 #endif
1022
1023   if (g_file_attribute_matcher_matches (attribute_matcher,
1024                                         G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1025     {
1026 #ifdef G_OS_WIN32
1027       get_filesystem_readonly (info, local->filename);
1028 #else
1029       get_mount_info (info, local->filename, attribute_matcher);
1030 #endif
1031     }
1032
1033   g_file_attribute_matcher_unref (attribute_matcher);
1034
1035   return info;
1036 }
1037
1038 static GMount *
1039 g_local_file_find_enclosing_mount (GFile         *file,
1040                                    GCancellable  *cancellable,
1041                                    GError       **error)
1042 {
1043   GLocalFile *local = G_LOCAL_FILE (file);
1044   struct stat buf;
1045   char *mountpoint;
1046   GMount *mount;
1047
1048   if (g_lstat (local->filename, &buf) != 0)
1049     {
1050       g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1051                       /* Translators: This is an error message when trying to
1052                        * find the enclosing (user visible) mount of a file, but
1053                        * none exists. */
1054                       _("Containing mount does not exist"));
1055       return NULL;
1056     }
1057
1058   mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
1059   if (mountpoint == NULL)
1060     {
1061       g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1062                       /* Translators: This is an error message when trying to
1063                        * find the enclosing (user visible) mount of a file, but
1064                        * none exists. */
1065                       _("Containing mount does not exist"));
1066       return NULL;
1067     }
1068
1069   mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
1070   g_free (mountpoint);
1071   if (mount)
1072     return mount;
1073
1074   g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1075                   /* Translators: This is an error message when trying to find
1076                    * the enclosing (user visible) mount of a file, but none
1077                    * exists. */
1078                   _("Containing mount does not exist"));
1079   return NULL;
1080 }
1081
1082 static GFile *
1083 g_local_file_set_display_name (GFile         *file,
1084                                const char    *display_name,
1085                                GCancellable  *cancellable,
1086                                GError       **error)
1087 {
1088   GLocalFile *local, *new_local;
1089   GFile *new_file, *parent;
1090   struct stat statbuf;
1091   int errsv;
1092
1093   parent = g_file_get_parent (file);
1094   if (parent == NULL)
1095     {
1096       g_set_error (error, G_IO_ERROR,
1097                    G_IO_ERROR_FAILED,
1098                    _("Can't rename root directory"));
1099       return NULL;
1100     }
1101
1102   new_file = g_file_get_child_for_display_name (parent, display_name, error);
1103   g_object_unref (parent);
1104
1105   if (new_file == NULL)
1106     return NULL;
1107
1108   local = G_LOCAL_FILE (file);
1109   new_local = G_LOCAL_FILE (new_file);
1110
1111   if (!(g_lstat (new_local->filename, &statbuf) == -1 &&
1112         errno == ENOENT))
1113     {
1114       g_set_error (error, G_IO_ERROR,
1115                    G_IO_ERROR_EXISTS,
1116                    _("Can't rename file, filename already exist"));
1117       return NULL;
1118     }
1119
1120   if (g_rename (local->filename, new_local->filename) == -1)
1121     {
1122       errsv = errno;
1123
1124       if (errsv == EINVAL)
1125         /* We can't get a rename file into itself error herer,
1126            so this must be an invalid filename, on e.g. FAT */
1127         g_set_error (error, G_IO_ERROR,
1128                      G_IO_ERROR_INVALID_FILENAME,
1129                      _("Invalid filename"));
1130       else
1131         g_set_error (error, G_IO_ERROR,
1132                      g_io_error_from_errno (errsv),
1133                      _("Error renaming file: %s"),
1134                      g_strerror (errsv));
1135       g_object_unref (new_file);
1136       return NULL;
1137     }
1138
1139   return new_file;
1140 }
1141
1142 static GFileInfo *
1143 g_local_file_query_info (GFile                *file,
1144                          const char           *attributes,
1145                          GFileQueryInfoFlags   flags,
1146                          GCancellable         *cancellable,
1147                          GError              **error)
1148 {
1149   GLocalFile *local = G_LOCAL_FILE (file);
1150   GFileInfo *info;
1151   GFileAttributeMatcher *matcher;
1152   char *basename, *dirname;
1153   GLocalParentFileInfo parent_info;
1154
1155   matcher = g_file_attribute_matcher_new (attributes);
1156
1157   basename = g_path_get_basename (local->filename);
1158
1159   dirname = g_path_get_dirname (local->filename);
1160   _g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
1161   g_free (dirname);
1162
1163   info = _g_local_file_info_get (basename, local->filename,
1164                                  matcher, flags, &parent_info,
1165                                  error);
1166
1167   g_free (basename);
1168
1169   g_file_attribute_matcher_unref (matcher);
1170
1171   return info;
1172 }
1173
1174 static GFileAttributeInfoList *
1175 g_local_file_query_settable_attributes (GFile         *file,
1176                                         GCancellable  *cancellable,
1177                                         GError       **error)
1178 {
1179   return g_file_attribute_info_list_ref (local_writable_attributes);
1180 }
1181
1182 static GFileAttributeInfoList *
1183 g_local_file_query_writable_namespaces (GFile         *file,
1184                                         GCancellable  *cancellable,
1185                                         GError       **error)
1186 {
1187   return g_file_attribute_info_list_ref (local_writable_namespaces);
1188 }
1189
1190 static gboolean
1191 g_local_file_set_attribute (GFile                *file,
1192                             const char           *attribute,
1193                             GFileAttributeType    type,
1194                             gpointer              value_p,
1195                             GFileQueryInfoFlags   flags,
1196                             GCancellable         *cancellable,
1197                             GError              **error)
1198 {
1199   GLocalFile *local = G_LOCAL_FILE (file);
1200
1201   return _g_local_file_info_set_attribute (local->filename,
1202                                            attribute,
1203                                            type,
1204                                            value_p,
1205                                            flags,
1206                                            cancellable,
1207                                            error);
1208 }
1209
1210 static gboolean
1211 g_local_file_set_attributes_from_info (GFile                *file,
1212                                        GFileInfo            *info,
1213                                        GFileQueryInfoFlags   flags,
1214                                        GCancellable         *cancellable,
1215                                        GError              **error)
1216 {
1217   GLocalFile *local = G_LOCAL_FILE (file);
1218   int res, chained_res;
1219   GFileIface *default_iface;
1220
1221   res = _g_local_file_info_set_attributes (local->filename,
1222                                            info, flags,
1223                                            cancellable,
1224                                            error);
1225
1226   if (!res)
1227     error = NULL; /* Don't write over error if further errors */
1228
1229   default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1230
1231   chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1232
1233   return res && chained_res;
1234 }
1235
1236 static GFileInputStream *
1237 g_local_file_read (GFile         *file,
1238                    GCancellable  *cancellable,
1239                    GError       **error)
1240 {
1241   GLocalFile *local = G_LOCAL_FILE (file);
1242   int fd;
1243   struct stat buf;
1244
1245   fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
1246   if (fd == -1)
1247     {
1248       int errsv = errno;
1249
1250       g_set_error (error, G_IO_ERROR,
1251                    g_io_error_from_errno (errsv),
1252                    _("Error opening file: %s"),
1253                    g_strerror (errsv));
1254       return NULL;
1255     }
1256
1257   if (fstat(fd, &buf) == 0 && S_ISDIR (buf.st_mode))
1258     {
1259       close (fd);
1260       g_set_error (error, G_IO_ERROR,
1261                    G_IO_ERROR_IS_DIRECTORY,
1262                    _("Can't open directory"));
1263       return NULL;
1264     }
1265
1266   return _g_local_file_input_stream_new (fd);
1267 }
1268
1269 static GFileOutputStream *
1270 g_local_file_append_to (GFile             *file,
1271                         GFileCreateFlags   flags,
1272                         GCancellable      *cancellable,
1273                         GError           **error)
1274 {
1275   return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1276                                              flags, cancellable, error);
1277 }
1278
1279 static GFileOutputStream *
1280 g_local_file_create (GFile             *file,
1281                      GFileCreateFlags   flags,
1282                      GCancellable      *cancellable,
1283                      GError           **error)
1284 {
1285   return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1286                                              flags, cancellable, error);
1287 }
1288
1289 static GFileOutputStream *
1290 g_local_file_replace (GFile             *file,
1291                       const char        *etag,
1292                       gboolean           make_backup,
1293                       GFileCreateFlags   flags,
1294                       GCancellable      *cancellable,
1295                       GError           **error)
1296 {
1297   return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1298                                               etag, make_backup, flags,
1299                                               cancellable, error);
1300 }
1301
1302
1303 static gboolean
1304 g_local_file_delete (GFile         *file,
1305                      GCancellable  *cancellable,
1306                      GError       **error)
1307 {
1308   GLocalFile *local = G_LOCAL_FILE (file);
1309
1310   if (g_remove (local->filename) == -1)
1311     {
1312       int errsv = errno;
1313
1314       /* Posix allows EEXIST too, but the more sane error
1315          is G_IO_ERROR_NOT_FOUND, and its what nautilus
1316          expects */
1317       if (errsv == EEXIST)
1318         errsv = ENOTEMPTY;
1319
1320       g_set_error (error, G_IO_ERROR,
1321                    g_io_error_from_errno (errsv),
1322                    _("Error removing file: %s"),
1323                    g_strerror (errsv));
1324       return FALSE;
1325     }
1326
1327   return TRUE;
1328 }
1329
1330 static char *
1331 strip_trailing_slashes (const char *path)
1332 {
1333   char *path_copy;
1334   int len;
1335
1336   path_copy = g_strdup (path);
1337   len = strlen (path_copy);
1338   while (len > 1 && path_copy[len-1] == '/')
1339     path_copy[--len] = 0;
1340
1341   return path_copy;
1342  }
1343
1344 static char *
1345 expand_symlink (const char *link)
1346 {
1347   char *resolved, *canonical, *parent, *link2;
1348   char symlink_value[4096];
1349 #ifdef G_OS_WIN32
1350 #else
1351   ssize_t res;
1352 #endif
1353
1354 #ifdef G_OS_WIN32
1355 #else
1356   res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
1357
1358   if (res == -1)
1359     return g_strdup (link);
1360   symlink_value[res] = 0;
1361 #endif
1362
1363   if (g_path_is_absolute (symlink_value))
1364     return canonicalize_filename (symlink_value);
1365   else
1366     {
1367       link2 = strip_trailing_slashes (link);
1368       parent = g_path_get_dirname (link2);
1369       g_free (link2);
1370
1371       resolved = g_build_filename (parent, symlink_value, NULL);
1372       g_free (parent);
1373
1374       canonical = canonicalize_filename (resolved);
1375
1376       g_free (resolved);
1377
1378       return canonical;
1379     }
1380 }
1381
1382 static char *
1383 get_parent (const char *path,
1384             dev_t      *parent_dev)
1385 {
1386   char *parent, *tmp;
1387   struct stat parent_stat;
1388   int num_recursions;
1389   char *path_copy;
1390
1391   path_copy = strip_trailing_slashes (path);
1392
1393   parent = g_path_get_dirname (path_copy);
1394   if (strcmp (parent, ".") == 0 ||
1395       strcmp (parent, path_copy) == 0)
1396     {
1397       g_free (parent);
1398       g_free (path_copy);
1399       return NULL;
1400     }
1401   g_free (path_copy);
1402
1403   num_recursions = 0;
1404   do {
1405     if (g_lstat (parent, &parent_stat) != 0)
1406       {
1407         g_free (parent);
1408         return NULL;
1409       }
1410
1411     if (S_ISLNK (parent_stat.st_mode))
1412       {
1413         tmp = parent;
1414         parent = expand_symlink (parent);
1415         g_free (tmp);
1416       }
1417
1418     num_recursions++;
1419     if (num_recursions > 12)
1420       {
1421         g_free (parent);
1422         return NULL;
1423       }
1424   } while (S_ISLNK (parent_stat.st_mode));
1425
1426   *parent_dev = parent_stat.st_dev;
1427
1428   return parent;
1429 }
1430
1431 static char *
1432 expand_all_symlinks (const char *path)
1433 {
1434   char *parent, *parent_expanded;
1435   char *basename, *res;
1436   dev_t parent_dev;
1437
1438   parent = get_parent (path, &parent_dev);
1439   if (parent)
1440     {
1441       parent_expanded = expand_all_symlinks (parent);
1442       g_free (parent);
1443       basename = g_path_get_basename (path);
1444       res = g_build_filename (parent_expanded, basename, NULL);
1445       g_free (basename);
1446       g_free (parent_expanded);
1447     }
1448   else
1449     res = g_strdup (path);
1450
1451   return res;
1452 }
1453
1454 #ifndef G_OS_WIN32
1455
1456 static char *
1457 find_mountpoint_for (const char *file,
1458                      dev_t       dev)
1459 {
1460   char *dir, *parent;
1461   dev_t dir_dev, parent_dev;
1462
1463   dir = g_strdup (file);
1464   dir_dev = dev;
1465
1466   while (1)
1467     {
1468       parent = get_parent (dir, &parent_dev);
1469       if (parent == NULL)
1470         return dir;
1471
1472       if (parent_dev != dir_dev)
1473         {
1474           g_free (parent);
1475           return dir;
1476         }
1477
1478       g_free (dir);
1479       dir = parent;
1480     }
1481 }
1482
1483 static char *
1484 find_topdir_for (const char *file)
1485 {
1486   char *dir;
1487   dev_t dir_dev;
1488
1489   dir = get_parent (file, &dir_dev);
1490   if (dir == NULL)
1491     return NULL;
1492
1493   return find_mountpoint_for (dir, dir_dev);
1494 }
1495
1496 static char *
1497 get_unique_filename (const char *basename,
1498                      int         id)
1499 {
1500   const char *dot;
1501
1502   if (id == 1)
1503     return g_strdup (basename);
1504
1505   dot = strchr (basename, '.');
1506   if (dot)
1507     return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1508   else
1509     return g_strdup_printf ("%s.%d", basename, id);
1510 }
1511
1512 static gboolean
1513 path_has_prefix (const char *path,
1514                  const char *prefix)
1515 {
1516   int prefix_len;
1517
1518   if (prefix == NULL)
1519     return TRUE;
1520
1521   prefix_len = strlen (prefix);
1522
1523   if (strncmp (path, prefix, prefix_len) == 0 &&
1524       (prefix_len == 0 || /* empty prefix always matches */
1525        prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1526        path[prefix_len] == 0 ||
1527        path[prefix_len] == '/'))
1528     return TRUE;
1529
1530   return FALSE;
1531 }
1532
1533 static char *
1534 try_make_relative (const char *path,
1535                    const char *base)
1536 {
1537   char *path2, *base2;
1538   char *relative;
1539
1540   path2 = expand_all_symlinks (path);
1541   base2 = expand_all_symlinks (base);
1542
1543   relative = NULL;
1544   if (path_has_prefix (path2, base2))
1545     {
1546       relative = path2 + strlen (base2);
1547       while (*relative == '/')
1548         relative ++;
1549       relative = g_strdup (relative);
1550     }
1551   g_free (path2);
1552   g_free (base2);
1553
1554   if (relative)
1555     return relative;
1556
1557   /* Failed, use abs path */
1558   return g_strdup (path);
1559 }
1560
1561 static char *
1562 escape_trash_name (char *name)
1563 {
1564   GString *str;
1565   const gchar hex[16] = "0123456789ABCDEF";
1566
1567   str = g_string_new ("");
1568
1569   while (*name != 0)
1570     {
1571       char c;
1572
1573       c = *name++;
1574
1575       if (g_ascii_isprint (c))
1576         g_string_append_c (str, c);
1577       else
1578         {
1579           g_string_append_c (str, '%');
1580           g_string_append_c (str, hex[((guchar)c) >> 4]);
1581           g_string_append_c (str, hex[((guchar)c) & 0xf]);
1582         }
1583     }
1584
1585   return g_string_free (str, FALSE);
1586 }
1587
1588 gboolean
1589 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1590 {
1591   static gsize home_dev_set = 0;
1592   static dev_t home_dev;
1593   char *topdir, *globaldir, *trashdir, *tmpname;
1594   uid_t uid;
1595   char uid_str[32];
1596   struct stat global_stat, trash_stat;
1597   gboolean res;
1598   int statres;
1599
1600   if (g_once_init_enter (&home_dev_set))
1601     {
1602       struct stat home_stat;
1603
1604       g_stat (g_get_home_dir (), &home_stat);
1605       home_dev = home_stat.st_dev;
1606       g_once_init_leave (&home_dev_set, 1);
1607     }
1608
1609   /* Assume we can trash to the home */
1610   if (dir_dev == home_dev)
1611     return TRUE;
1612
1613   topdir = find_mountpoint_for (dirname, dir_dev);
1614   if (topdir == NULL)
1615     return FALSE;
1616
1617   globaldir = g_build_filename (topdir, ".Trash", NULL);
1618   statres = g_lstat (globaldir, &global_stat);
1619  if (g_lstat (globaldir, &global_stat) == 0 &&
1620       S_ISDIR (global_stat.st_mode) &&
1621       (global_stat.st_mode & S_ISVTX) != 0)
1622     {
1623       /* got a toplevel sysadmin created dir, assume we
1624        * can trash to it (we should be able to create a dir)
1625        * This fails for the FAT case where the ownership of
1626        * that dir would be wrong though..
1627        */
1628       g_free (globaldir);
1629       g_free (topdir);
1630       return TRUE;
1631     }
1632   g_free (globaldir);
1633
1634   /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1635   uid = geteuid ();
1636   g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long) uid);
1637
1638   tmpname = g_strdup_printf (".Trash-%s", uid_str);
1639   trashdir = g_build_filename (topdir, tmpname, NULL);
1640   g_free (tmpname);
1641
1642   if (g_lstat (trashdir, &trash_stat) == 0)
1643     {
1644       g_free (topdir);
1645       g_free (trashdir);
1646       return
1647         S_ISDIR (trash_stat.st_mode) &&
1648         trash_stat.st_uid == uid;
1649     }
1650   g_free (trashdir);
1651
1652   /* User specific trash didn't exist, can we create it? */
1653   res = g_access (topdir, W_OK) == 0;
1654
1655   g_free (topdir);
1656
1657   return res;
1658 }
1659
1660
1661 static gboolean
1662 g_local_file_trash (GFile         *file,
1663                     GCancellable  *cancellable,
1664                     GError       **error)
1665 {
1666   GLocalFile *local = G_LOCAL_FILE (file);
1667   struct stat file_stat, home_stat;
1668   const char *homedir;
1669   char *trashdir, *topdir, *infodir, *filesdir;
1670   char *basename, *trashname, *trashfile, *infoname, *infofile;
1671   char *original_name, *original_name_escaped;
1672   int i;
1673   char *data;
1674   gboolean is_homedir_trash;
1675   char delete_time[32];
1676   int fd;
1677   struct stat trash_stat, global_stat;
1678   char *dirname, *globaldir;
1679
1680   if (g_lstat (local->filename, &file_stat) != 0)
1681     {
1682       int errsv = errno;
1683
1684       g_set_error (error, G_IO_ERROR,
1685                    g_io_error_from_errno (errsv),
1686                    _("Error trashing file: %s"),
1687                    g_strerror (errsv));
1688       return FALSE;
1689     }
1690
1691   homedir = g_get_home_dir ();
1692   g_stat (homedir, &home_stat);
1693
1694   is_homedir_trash = FALSE;
1695   trashdir = NULL;
1696   if (file_stat.st_dev == home_stat.st_dev)
1697     {
1698       is_homedir_trash = TRUE;
1699       errno = 0;
1700       trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
1701       if (g_mkdir_with_parents (trashdir, 0700) < 0)
1702         {
1703           char *display_name;
1704           int errsv = errno;
1705
1706           display_name = g_filename_display_name (trashdir);
1707           g_set_error (error, G_IO_ERROR,
1708                        g_io_error_from_errno (errsv),
1709                        _("Unable to create trash dir %s: %s"),
1710                        display_name, g_strerror (errsv));
1711           g_free (display_name);
1712           g_free (trashdir);
1713           return FALSE;
1714         }
1715       topdir = g_strdup (g_get_user_data_dir ());
1716     }
1717   else
1718     {
1719       uid_t uid;
1720       char uid_str[32];
1721
1722       uid = geteuid ();
1723       g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
1724
1725       topdir = find_topdir_for (local->filename);
1726       if (topdir == NULL)
1727         {
1728           g_set_error (error, G_IO_ERROR,
1729                        G_IO_ERROR_NOT_SUPPORTED,
1730                        _("Unable to find toplevel directory for trash"));
1731           return FALSE;
1732         }
1733
1734       /* Try looking for global trash dir $topdir/.Trash/$uid */
1735       globaldir = g_build_filename (topdir, ".Trash", NULL);
1736       if (g_lstat (globaldir, &global_stat) == 0 &&
1737           S_ISDIR (global_stat.st_mode) &&
1738           (global_stat.st_mode & S_ISVTX) != 0)
1739         {
1740           trashdir = g_build_filename (globaldir, uid_str, NULL);
1741
1742           if (g_lstat (trashdir, &trash_stat) == 0)
1743             {
1744               if (!S_ISDIR (trash_stat.st_mode) ||
1745                   trash_stat.st_uid != uid)
1746                 {
1747                   /* Not a directory or not owned by user, ignore */
1748                   g_free (trashdir);
1749                   trashdir = NULL;
1750                 }
1751             }
1752           else if (g_mkdir (trashdir, 0700) == -1)
1753             {
1754               g_free (trashdir);
1755               trashdir = NULL;
1756             }
1757         }
1758       g_free (globaldir);
1759
1760       if (trashdir == NULL)
1761         {
1762           gboolean tried_create;
1763
1764           /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1765           dirname = g_strdup_printf (".Trash-%s", uid_str);
1766           trashdir = g_build_filename (topdir, dirname, NULL);
1767           g_free (dirname);
1768
1769           tried_create = FALSE;
1770
1771         retry:
1772           if (g_lstat (trashdir, &trash_stat) == 0)
1773             {
1774               if (!S_ISDIR (trash_stat.st_mode) ||
1775                   trash_stat.st_uid != uid)
1776                 {
1777                   /* Remove the failed directory */
1778                   if (tried_create)
1779                     g_remove (trashdir);
1780
1781                   /* Not a directory or not owned by user, ignore */
1782                   g_free (trashdir);
1783                   trashdir = NULL;
1784                 }
1785             }
1786           else
1787             {
1788               if (!tried_create &&
1789                   g_mkdir (trashdir, 0700) != -1)
1790                 {
1791                   /* Ensure that the created dir has the right uid etc.
1792                      This might fail on e.g. a FAT dir */
1793                   tried_create = TRUE;
1794                   goto retry;
1795                 }
1796               else
1797                 {
1798                   g_free (trashdir);
1799                   trashdir = NULL;
1800                 }
1801             }
1802         }
1803
1804       if (trashdir == NULL)
1805         {
1806           g_free (topdir);
1807           g_set_error (error, G_IO_ERROR,
1808                        G_IO_ERROR_NOT_SUPPORTED,
1809                        _("Unable to find or create trash directory"));
1810           return FALSE;
1811         }
1812     }
1813
1814   /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
1815
1816   infodir = g_build_filename (trashdir, "info", NULL);
1817   filesdir = g_build_filename (trashdir, "files", NULL);
1818   g_free (trashdir);
1819
1820   /* Make sure we have the subdirectories */
1821   if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
1822       (g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
1823     {
1824       g_free (topdir);
1825       g_free (infodir);
1826       g_free (filesdir);
1827       g_set_error (error, G_IO_ERROR,
1828                    G_IO_ERROR_NOT_SUPPORTED,
1829                    _("Unable to find or create trash directory"));
1830       return FALSE;
1831     }
1832
1833   basename = g_path_get_basename (local->filename);
1834   i = 1;
1835   trashname = NULL;
1836   infofile = NULL;
1837   do {
1838     g_free (trashname);
1839     g_free (infofile);
1840
1841     trashname = get_unique_filename (basename, i++);
1842     infoname = g_strconcat (trashname, ".trashinfo", NULL);
1843     infofile = g_build_filename (infodir, infoname, NULL);
1844     g_free (infoname);
1845
1846     fd = open (infofile, O_CREAT | O_EXCL, 0666);
1847   } while (fd == -1 && errno == EEXIST);
1848
1849   g_free (basename);
1850   g_free (infodir);
1851
1852   if (fd == -1)
1853     {
1854       int errsv = errno;
1855
1856       g_free (filesdir);
1857       g_free (topdir);
1858       g_free (trashname);
1859       g_free (infofile);
1860
1861       g_set_error (error, G_IO_ERROR,
1862                    g_io_error_from_errno (errsv),
1863                    _("Unable to create trashing info file: %s"),
1864                    g_strerror (errsv));
1865       return FALSE;
1866     }
1867
1868   close (fd);
1869
1870   /* TODO: Maybe we should verify that you can delete the file from the trash
1871      before moving it? OTOH, that is hard, as it needs a recursive scan */
1872
1873   trashfile = g_build_filename (filesdir, trashname, NULL);
1874
1875   g_free (filesdir);
1876
1877   if (g_rename (local->filename, trashfile) == -1)
1878     {
1879       int errsv = errno;
1880
1881       g_free (topdir);
1882       g_free (trashname);
1883       g_free (infofile);
1884       g_free (trashfile);
1885
1886       g_set_error (error, G_IO_ERROR,
1887                    g_io_error_from_errno (errsv),
1888                    _("Unable to trash file: %s"),
1889                    g_strerror (errsv));
1890       return FALSE;
1891     }
1892
1893   g_free (trashfile);
1894
1895   /* TODO: Do we need to update mtime/atime here after the move? */
1896
1897   /* Use absolute names for homedir */
1898   if (is_homedir_trash)
1899     original_name = g_strdup (local->filename);
1900   else
1901     original_name = try_make_relative (local->filename, topdir);
1902   original_name_escaped = escape_trash_name (original_name);
1903
1904   g_free (original_name);
1905   g_free (topdir);
1906
1907   {
1908     time_t t;
1909     struct tm now;
1910     t = time (NULL);
1911     localtime_r (&t, &now);
1912     delete_time[0] = 0;
1913     strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
1914   }
1915
1916   data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
1917                           original_name_escaped, delete_time);
1918
1919   g_file_set_contents (infofile, data, -1, NULL);
1920   g_free (infofile);
1921   g_free (data);
1922
1923   g_free (original_name_escaped);
1924   g_free (trashname);
1925
1926   return TRUE;
1927 }
1928 #else /* G_OS_WIN32 */
1929 gboolean
1930 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1931 {
1932   return FALSE;                 /* XXX ??? */
1933 }
1934
1935 static gboolean
1936 g_local_file_trash (GFile         *file,
1937                     GCancellable  *cancellable,
1938                     GError       **error)
1939 {
1940   GLocalFile *local = G_LOCAL_FILE (file);
1941   SHFILEOPSTRUCTW op = {0};
1942   gboolean success;
1943   wchar_t *wfilename;
1944   long len;
1945
1946   wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
1947   /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
1948   wfilename = g_renew (wchar_t, wfilename, len + 2);
1949   wfilename[len + 1] = 0;
1950
1951   op.wFunc = FO_DELETE;
1952   op.pFrom = wfilename;
1953   op.fFlags = FOF_ALLOWUNDO;
1954
1955   success = SHFileOperationW (&op) == 0;
1956
1957   if (success && op.fAnyOperationsAborted)
1958     {
1959       if (cancellable && !g_cancellable_is_cancelled (cancellable))
1960         g_cancellable_cancel (cancellable);
1961       g_set_error (error, G_IO_ERROR,
1962                    G_IO_ERROR_CANCELLED,
1963                    _("Unable to trash file: %s"),
1964                    _("Operation was cancelled"));
1965       success = FALSE;
1966     }
1967   else if (!success)
1968     g_set_error (error, G_IO_ERROR,
1969                  G_IO_ERROR_FAILED,
1970                  _("Unable to trash file: %s"),
1971                  _("internal error"));
1972
1973   g_free (wfilename);
1974   return success;
1975 }
1976 #endif /* G_OS_WIN32 */
1977
1978 static gboolean
1979 g_local_file_make_directory (GFile         *file,
1980                              GCancellable  *cancellable,
1981                              GError       **error)
1982 {
1983   GLocalFile *local = G_LOCAL_FILE (file);
1984
1985   if (g_mkdir (local->filename, 0755) == -1)
1986     {
1987       int errsv = errno;
1988
1989       if (errsv == EINVAL)
1990         /* This must be an invalid filename, on e.g. FAT */
1991         g_set_error (error, G_IO_ERROR,
1992                      G_IO_ERROR_INVALID_FILENAME,
1993                      _("Invalid filename"));
1994       else
1995         g_set_error (error, G_IO_ERROR,
1996                      g_io_error_from_errno (errsv),
1997                      _("Error creating directory: %s"),
1998                      g_strerror (errsv));
1999       return FALSE;
2000     }
2001
2002   return TRUE;
2003 }
2004
2005 static gboolean
2006 g_local_file_make_symbolic_link (GFile         *file,
2007                                  const char    *symlink_value,
2008                                  GCancellable  *cancellable,
2009                                  GError       **error)
2010 {
2011 #ifdef HAVE_SYMLINK
2012   GLocalFile *local = G_LOCAL_FILE (file);
2013
2014   if (symlink (symlink_value, local->filename) == -1)
2015     {
2016       int errsv = errno;
2017
2018       if (errsv == EINVAL)
2019         /* This must be an invalid filename, on e.g. FAT */
2020         g_set_error (error, G_IO_ERROR,
2021                      G_IO_ERROR_INVALID_FILENAME,
2022                      _("Invalid filename"));
2023       else
2024         g_set_error (error, G_IO_ERROR,
2025                      g_io_error_from_errno (errsv),
2026                      _("Error making symbolic link: %s"),
2027                      g_strerror (errsv));
2028       return FALSE;
2029     }
2030   return TRUE;
2031 #else
2032   g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Symlinks not supported");
2033   return FALSE;
2034 #endif
2035 }
2036
2037
2038 static gboolean
2039 g_local_file_copy (GFile                  *source,
2040                    GFile                  *destination,
2041                    GFileCopyFlags          flags,
2042                    GCancellable           *cancellable,
2043                    GFileProgressCallback   progress_callback,
2044                    gpointer                progress_callback_data,
2045                    GError                **error)
2046 {
2047   /* Fall back to default copy */
2048   g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
2049   return FALSE;
2050 }
2051
2052 static gboolean
2053 g_local_file_move (GFile                  *source,
2054                    GFile                  *destination,
2055                    GFileCopyFlags          flags,
2056                    GCancellable           *cancellable,
2057                    GFileProgressCallback   progress_callback,
2058                    gpointer                progress_callback_data,
2059                    GError                **error)
2060 {
2061   GLocalFile *local_source, *local_destination;
2062   struct stat statbuf;
2063   gboolean destination_exist, source_is_dir;
2064   char *backup_name;
2065   int res;
2066   off_t source_size;
2067
2068   if (!G_IS_LOCAL_FILE (source) ||
2069       !G_IS_LOCAL_FILE (destination))
2070     {
2071       /* Fall back to default move */
2072       g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
2073       return FALSE;
2074     }
2075
2076   local_source = G_LOCAL_FILE (source);
2077   local_destination = G_LOCAL_FILE (destination);
2078
2079   res = g_lstat (local_source->filename, &statbuf);
2080   if (res == -1)
2081     {
2082       int errsv = errno;
2083
2084       g_set_error (error, G_IO_ERROR,
2085                    g_io_error_from_errno (errsv),
2086                    _("Error moving file: %s"),
2087                    g_strerror (errsv));
2088       return FALSE;
2089     }
2090
2091   source_is_dir = S_ISDIR (statbuf.st_mode);
2092   source_size = statbuf.st_size;
2093
2094   destination_exist = FALSE;
2095   res = g_lstat (local_destination->filename, &statbuf);
2096   if (res == 0)
2097     {
2098       destination_exist = TRUE; /* Target file exists */
2099
2100       if (flags & G_FILE_COPY_OVERWRITE)
2101         {
2102           /* Always fail on dirs, even with overwrite */
2103           if (S_ISDIR (statbuf.st_mode))
2104             {
2105               if (source_is_dir)
2106                 g_set_error (error,
2107                              G_IO_ERROR,
2108                              G_IO_ERROR_WOULD_MERGE,
2109                              _("Can't move directory over directory"));
2110               else
2111                 g_set_error (error,
2112                              G_IO_ERROR,
2113                              G_IO_ERROR_IS_DIRECTORY,
2114                              _("Can't copy over directory"));
2115               return FALSE;
2116             }
2117         }
2118       else
2119         {
2120           g_set_error (error,
2121                        G_IO_ERROR,
2122                        G_IO_ERROR_EXISTS,
2123                        _("Target file exists"));
2124           return FALSE;
2125         }
2126     }
2127
2128   if (flags & G_FILE_COPY_BACKUP && destination_exist)
2129     {
2130       backup_name = g_strconcat (local_destination->filename, "~", NULL);
2131       if (g_rename (local_destination->filename, backup_name) == -1)
2132         {
2133           g_set_error (error,
2134                        G_IO_ERROR,
2135                        G_IO_ERROR_CANT_CREATE_BACKUP,
2136                        _("Backup file creation failed"));
2137           g_free (backup_name);
2138           return FALSE;
2139         }
2140       g_free (backup_name);
2141       destination_exist = FALSE; /* It did, but no more */
2142     }
2143
2144   if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
2145     {
2146       /* Source is a dir, destination exists (and is not a dir, because that would have failed
2147          earlier), and we're overwriting. Manually remove the target so we can do the rename. */
2148       res = g_unlink (local_destination->filename);
2149       if (res == -1)
2150         {
2151           int errsv = errno;
2152
2153           g_set_error (error, G_IO_ERROR,
2154                        g_io_error_from_errno (errsv),
2155                        _("Error removing target file: %s"),
2156                        g_strerror (errsv));
2157           return FALSE;
2158         }
2159     }
2160
2161   if (g_rename (local_source->filename, local_destination->filename) == -1)
2162     {
2163       int errsv = errno;
2164
2165       if (errsv == EXDEV)
2166         /* This will cause the fallback code to run */
2167         g_set_error (error, G_IO_ERROR,
2168                      G_IO_ERROR_NOT_SUPPORTED,
2169                      _("Move between mounts not supported"));
2170       else if (errsv == EINVAL)
2171         /* This must be an invalid filename, on e.g. FAT, or
2172            we're trying to move the file into itself...
2173            We return invalid filename for both... */
2174         g_set_error (error, G_IO_ERROR,
2175                      G_IO_ERROR_INVALID_FILENAME,
2176                      _("Invalid filename"));
2177       else
2178         g_set_error (error, G_IO_ERROR,
2179                      g_io_error_from_errno (errsv),
2180                      _("Error moving file: %s"),
2181                      g_strerror (errsv));
2182       return FALSE;
2183     }
2184
2185   /* Make sure we send full copied size */
2186   if (progress_callback)
2187     progress_callback (source_size, source_size, progress_callback_data);
2188
2189   return TRUE;
2190 }
2191
2192 static GFileMonitor*
2193 g_local_file_monitor_dir (GFile             *file,
2194                           GFileMonitorFlags  flags,
2195                           GCancellable      *cancellable,
2196                           GError           **error)
2197 {
2198   GLocalFile* local_file = G_LOCAL_FILE(file);
2199   return _g_local_directory_monitor_new (local_file->filename, flags, error);
2200 }
2201
2202 static GFileMonitor*
2203 g_local_file_monitor_file (GFile             *file,
2204                            GFileMonitorFlags  flags,
2205                            GCancellable      *cancellable,
2206                            GError           **error)
2207 {
2208   GLocalFile* local_file = G_LOCAL_FILE(file);
2209   return _g_local_file_monitor_new (local_file->filename, flags, error);
2210 }
2211
2212 static void
2213 g_local_file_file_iface_init (GFileIface *iface)
2214 {
2215   iface->dup = g_local_file_dup;
2216   iface->hash = g_local_file_hash;
2217   iface->equal = g_local_file_equal;
2218   iface->is_native = g_local_file_is_native;
2219   iface->has_uri_scheme = g_local_file_has_uri_scheme;
2220   iface->get_uri_scheme = g_local_file_get_uri_scheme;
2221   iface->get_basename = g_local_file_get_basename;
2222   iface->get_path = g_local_file_get_path;
2223   iface->get_uri = g_local_file_get_uri;
2224   iface->get_parse_name = g_local_file_get_parse_name;
2225   iface->get_parent = g_local_file_get_parent;
2226   iface->prefix_matches = g_local_file_prefix_matches;
2227   iface->get_relative_path = g_local_file_get_relative_path;
2228   iface->resolve_relative_path = g_local_file_resolve_relative_path;
2229   iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2230   iface->set_display_name = g_local_file_set_display_name;
2231   iface->enumerate_children = g_local_file_enumerate_children;
2232   iface->query_info = g_local_file_query_info;
2233   iface->query_filesystem_info = g_local_file_query_filesystem_info;
2234   iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2235   iface->query_settable_attributes = g_local_file_query_settable_attributes;
2236   iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2237   iface->set_attribute = g_local_file_set_attribute;
2238   iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2239   iface->read_fn = g_local_file_read;
2240   iface->append_to = g_local_file_append_to;
2241   iface->create = g_local_file_create;
2242   iface->replace = g_local_file_replace;
2243   iface->delete_file = g_local_file_delete;
2244   iface->trash = g_local_file_trash;
2245   iface->make_directory = g_local_file_make_directory;
2246   iface->make_symbolic_link = g_local_file_make_symbolic_link;
2247   iface->copy = g_local_file_copy;
2248   iface->move = g_local_file_move;
2249   iface->monitor_dir = g_local_file_monitor_dir;
2250   iface->monitor_file = g_local_file_monitor_file;
2251 }