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, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: Alexander Larsson <alexl@redhat.com>
  19  */
  20
  21 #include "config.h"
  22
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <string.h>
  26 #include <errno.h>
  27 #include <fcntl.h>
  28 #if G_OS_UNIX
  29 #include <dirent.h>
  30 #include <unistd.h>
  31 #endif
  32
  33 #if HAVE_SYS_STATFS_H
  34 #include <sys/statfs.h>
  35 #endif
  36 #if HAVE_SYS_STATVFS_H
  37 #include <sys/statvfs.h>
  38 #endif
  39 #if HAVE_SYS_VFS_H
  40 #include <sys/vfs.h>
  41 #elif HAVE_SYS_MOUNT_H
  42 #if HAVE_SYS_PARAM_H
  43 #include <sys/param.h>
  44 #endif
  45 #include <sys/mount.h>
  46 #endif
  47
  48 #ifndef O_BINARY
  49 #define O_BINARY 0
  50 #endif
  51
  52 #include "gfileattribute.h"
  53 #include "glocalfile.h"
  54 #include "glocalfileinfo.h"
  55 #include "glocalfileenumerator.h"
  56 #include "glocalfileinputstream.h"
  57 #include "glocalfileoutputstream.h"
  58 #include "glocalfileiostream.h"
  59 #include "glocalfilemonitor.h"
  60 #include "gmountprivate.h"
  61 #include "gunixmounts.h"
  62 #include "gioerror.h"
  63 #include <glib/gstdio.h>
  64 #include "glibintl.h"
  65 #ifdef G_OS_UNIX
  66 #include "glib-unix.h"
  67 #endif
  68 #include "glib-private.h"
  69
  70 #include "glib-private.h"
  71
  72 #ifdef G_OS_WIN32
  73 #include <windows.h>
  74 #include <io.h>
  75 #include <direct.h>
  76
  77 #ifndef FILE_READ_ONLY_VOLUME
  78 #define FILE_READ_ONLY_VOLUME           0x00080000
  79 #endif
  80
  81 #ifndef S_ISDIR
  82 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
  83 #endif
  84 #ifndef S_ISLNK
  85 #define S_ISLNK(m) (0)
  86 #endif
  87 #endif
  88
  89
  90 static void g_local_file_file_iface_init (GFileIface *iface);
  91
  92 static GFileAttributeInfoList *local_writable_attributes = NULL;
  93 static /* GFileAttributeInfoList * */ gsize local_writable_namespaces = 0;
  94
  95 struct _GLocalFile
  96 {
  97   GObject parent_instance;
  98
  99   char *filename;
 100 };
 101
 102 #define g_local_file_get_type _g_local_file_get_type
 103 G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
 104                          G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
 105                                                 g_local_file_file_iface_init))
 106
 107 static char *find_mountpoint_for (const char *file, dev_t dev);
 108
 109 static void
 110 g_local_file_finalize (GObject *object)
 111 {
 112   GLocalFile *local;
 113
 114   local = G_LOCAL_FILE (object);
 115
 116   g_free (local->filename);
 117
 118   G_OBJECT_CLASS (g_local_file_parent_class)->finalize (object);
 119 }
 120
 121 static void
 122 g_local_file_class_init (GLocalFileClass *klass)
 123 {
 124   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 125   GFileAttributeInfoList *list;
 126
 127   gobject_class->finalize = g_local_file_finalize;
 128
 129   /* Set up attribute lists */
 130
 131   /* Writable attributes: */
 132
 133   list = g_file_attribute_info_list_new ();
 134
 135   g_file_attribute_info_list_add (list,
 136                                   G_FILE_ATTRIBUTE_UNIX_MODE,
 137                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 138                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 139                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 140
 141 #ifdef G_OS_UNIX
 142   g_file_attribute_info_list_add (list,
 143                                   G_FILE_ATTRIBUTE_UNIX_UID,
 144                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 145                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 146   g_file_attribute_info_list_add (list,
 147                                   G_FILE_ATTRIBUTE_UNIX_GID,
 148                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 149                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 150 #endif
 151
 152 #ifdef HAVE_SYMLINK
 153   g_file_attribute_info_list_add (list,
 154                                   G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
 155                                   G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
 156                                   0);
 157 #endif
 158
 159 #ifdef HAVE_UTIMES
 160   g_file_attribute_info_list_add (list,
 161                                   G_FILE_ATTRIBUTE_TIME_MODIFIED,
 162                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 163                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 164                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 165   g_file_attribute_info_list_add (list,
 166                                   G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC,
 167                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 168                                   G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
 169                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 170   /* When copying, the target file is accessed. Replicating
 171    * the source access time does not make sense in this case.
 172    */
 173   g_file_attribute_info_list_add (list,
 174                                   G_FILE_ATTRIBUTE_TIME_ACCESS,
 175                                   G_FILE_ATTRIBUTE_TYPE_UINT64,
 176                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 177   g_file_attribute_info_list_add (list,
 178                                   G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
 179                                   G_FILE_ATTRIBUTE_TYPE_UINT32,
 180                                   G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
 181 #endif
 182
 183   local_writable_attributes = list;
 184 }
 185
 186 static void
 187 g_local_file_init (GLocalFile *local)
 188 {
 189 }
 190
 191 const char *
 192 _g_local_file_get_filename (GLocalFile *file)
 193 {
 194   return file->filename;
 195 }
 196
 197 static char *
 198 canonicalize_filename (const char *filename)
 199 {
 200   char *canon, *start, *p, *q;
 201   char *cwd;
 202   int i;
 203
 204   if (!g_path_is_absolute (filename))
 205     {
 206       cwd = g_get_current_dir ();
 207       canon = g_build_filename (cwd, filename, NULL);
 208       g_free (cwd);
 209     }
 210   else
 211     canon = g_strdup (filename);
 212
 213   start = (char *)g_path_skip_root (canon);
 214
 215   if (start == NULL)
 216     {
 217       /* This shouldn't really happen, as g_get_current_dir() should
 218          return an absolute pathname, but bug 573843 shows this is
 219          not always happening */
 220       g_free (canon);
 221       return g_build_filename (G_DIR_SEPARATOR_S, filename, NULL);
 222     }
 223
 224   /* POSIX allows double slashes at the start to
 225    * mean something special (as does windows too).
 226    * So, "//" != "/", but more than two slashes
 227    * is treated as "/".
 228    */
 229   i = 0;
 230   for (p = start - 1;
 231        (p >= canon) &&
 232          G_IS_DIR_SEPARATOR (*p);
 233        p--)
 234     i++;
 235   if (i > 2)
 236     {
 237       i -= 1;
 238       start -= i;
 239       memmove (start, start+i, strlen (start+i)+1);
 240     }
 241
 242   /* Make sure we're using the canonical dir separator */
 243   p++;
 244   while (p < start && G_IS_DIR_SEPARATOR (*p))
 245     *p++ = G_DIR_SEPARATOR;
 246
 247   p = start;
 248   while (*p != 0)
 249     {
 250       if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
 251         {
 252           memmove (p, p+1, strlen (p+1)+1);
 253         }
 254       else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
 255         {
 256           q = p + 2;
 257           /* Skip previous separator */
 258           p = p - 2;
 259           if (p < start)
 260             p = start;
 261           while (p > start && !G_IS_DIR_SEPARATOR (*p))
 262             p--;
 263           if (G_IS_DIR_SEPARATOR (*p))
 264             *p++ = G_DIR_SEPARATOR;
 265           memmove (p, q, strlen (q)+1);
 266         }
 267       else
 268         {
 269           /* Skip until next separator */
 270           while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
 271             p++;
 272
 273           if (*p != 0)
 274             {
 275               /* Canonicalize one separator */
 276               *p++ = G_DIR_SEPARATOR;
 277             }
 278         }
 279
 280       /* Remove additional separators */
 281       q = p;
 282       while (*q && G_IS_DIR_SEPARATOR (*q))
 283         q++;
 284
 285       if (p != q)
 286         memmove (p, q, strlen (q)+1);
 287     }
 288
 289   /* Remove trailing slashes */
 290   if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
 291     *(p-1) = 0;
 292
 293   return canon;
 294 }
 295
 296 GFile *
 297 _g_local_file_new (const char *filename)
 298 {
 299   GLocalFile *local;
 300
 301   local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
 302   local->filename = canonicalize_filename (filename);
 303
 304   return G_FILE (local);
 305 }
 306
 307 /*< internal >
 308  * g_local_file_new_from_dirname_and_basename:
 309  * @dirname: an absolute, canonical directory name
 310  * @basename: the name of a child inside @dirname
 311  *
 312  * Creates a #GFile from @dirname and @basename.
 313  *
 314  * This is more efficient than pasting the fields together for yourself
 315  * and creating a #GFile from the result, and also more efficient than
 316  * creating a #GFile for the dirname and using g_file_get_child().
 317  *
 318  * @dirname must be canonical, as per GLocalFile's opinion of what
 319  * canonical means.  This means that you should only pass strings that
 320  * were returned by _g_local_file_get_filename().
 321  *
 322  * Returns: a #GFile
 323  */
 324 GFile *
 325 g_local_file_new_from_dirname_and_basename (const gchar *dirname,
 326                                             const gchar *basename)
 327 {
 328   GLocalFile *local;
 329
 330   g_return_val_if_fail (dirname != NULL, NULL);
 331   g_return_val_if_fail (basename && basename[0] && !strchr (basename, '/'), NULL);
 332
 333   local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
 334   local->filename = g_build_filename (dirname, basename, NULL);
 335
 336   return G_FILE (local);
 337 }
 338
 339 static gboolean
 340 g_local_file_is_native (GFile *file)
 341 {
 342   return TRUE;
 343 }
 344
 345 static gboolean
 346 g_local_file_has_uri_scheme (GFile      *file,
 347                              const char *uri_scheme)
 348 {
 349   return g_ascii_strcasecmp (uri_scheme, "file") == 0;
 350 }
 351
 352 static char *
 353 g_local_file_get_uri_scheme (GFile *file)
 354 {
 355   return g_strdup ("file");
 356 }
 357
 358 static char *
 359 g_local_file_get_basename (GFile *file)
 360 {
 361   return g_path_get_basename (G_LOCAL_FILE (file)->filename);
 362 }
 363
 364 static char *
 365 g_local_file_get_path (GFile *file)
 366 {
 367   return g_strdup (G_LOCAL_FILE (file)->filename);
 368 }
 369
 370 static char *
 371 g_local_file_get_uri (GFile *file)
 372 {
 373   return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
 374 }
 375
 376 static gboolean
 377 get_filename_charset (const gchar **filename_charset)
 378 {
 379   const gchar **charsets;
 380   gboolean is_utf8;
 381
 382   is_utf8 = g_get_filename_charsets (&charsets);
 383
 384   if (filename_charset)
 385     *filename_charset = charsets[0];
 386
 387   return is_utf8;
 388 }
 389
 390 static gboolean
 391 name_is_valid_for_display (const char *string,
 392                            gboolean    is_valid_utf8)
 393 {
 394   char c;
 395
 396   if (!is_valid_utf8 &&
 397       !g_utf8_validate (string, -1, NULL))
 398     return FALSE;
 399
 400   while ((c = *string++) != 0)
 401     {
 402       if (g_ascii_iscntrl (c))
 403         return FALSE;
 404     }
 405
 406   return TRUE;
 407 }
 408
 409 static char *
 410 g_local_file_get_parse_name (GFile *file)
 411 {
 412   const char *filename;
 413   char *parse_name;
 414   const gchar *charset;
 415   char *utf8_filename;
 416   char *roundtripped_filename;
 417   gboolean free_utf8_filename;
 418   gboolean is_valid_utf8;
 419   char *escaped_path;
 420
 421   filename = G_LOCAL_FILE (file)->filename;
 422   if (get_filename_charset (&charset))
 423     {
 424       utf8_filename = (char *)filename;
 425       free_utf8_filename = FALSE;
 426       is_valid_utf8 = FALSE; /* Can't guarantee this */
 427     }
 428   else
 429     {
 430       utf8_filename = g_convert (filename, -1,
 431                                  "UTF-8", charset, NULL, NULL, NULL);
 432       free_utf8_filename = TRUE;
 433       is_valid_utf8 = TRUE;
 434
 435       if (utf8_filename != NULL)
 436         {
 437           /* Make sure we can roundtrip: */
 438           roundtripped_filename = g_convert (utf8_filename, -1,
 439                                              charset, "UTF-8", NULL, NULL, NULL);
 440
 441           if (roundtripped_filename == NULL ||
 442               strcmp (filename, roundtripped_filename) != 0)
 443             {
 444               g_free (utf8_filename);
 445               utf8_filename = NULL;
 446             }
 447
 448           g_free (roundtripped_filename);
 449         }
 450     }
 451
 452   if (utf8_filename != NULL &&
 453       name_is_valid_for_display (utf8_filename, is_valid_utf8))
 454     {
 455       if (free_utf8_filename)
 456         parse_name = utf8_filename;
 457       else
 458         parse_name = g_strdup (utf8_filename);
 459     }
 460   else
 461     {
 462 #ifdef G_OS_WIN32
 463       char *dup_filename, *p, *backslash;
 464
 465       /* Turn backslashes into forward slashes like
 466        * g_filename_to_uri() would do (but we can't use that because
 467        * it doesn't output IRIs).
 468        */
 469       dup_filename = g_strdup (filename);
 470       filename = p = dup_filename;
 471
 472       while ((backslash = strchr (p, '\\')) != NULL)
 473         {
 474           *backslash = '/';
 475           p = backslash + 1;
 476         }
 477 #endif
 478
 479       escaped_path = g_uri_escape_string (filename,
 480                                           G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
 481                                           TRUE);
 482       parse_name = g_strconcat ("file://",
 483                                 (*escaped_path != '/') ? "/" : "",
 484                                 escaped_path,
 485                                 NULL);
 486
 487       g_free (escaped_path);
 488 #ifdef G_OS_WIN32
 489       g_free (dup_filename);
 490 #endif
 491       if (free_utf8_filename)
 492         g_free (utf8_filename);
 493     }
 494
 495   return parse_name;
 496 }
 497
 498 static GFile *
 499 g_local_file_get_parent (GFile *file)
 500 {
 501   GLocalFile *local = G_LOCAL_FILE (file);
 502   const char *non_root;
 503   char *dirname;
 504   GFile *parent;
 505
 506   /* Check for root */
 507   non_root = g_path_skip_root (local->filename);
 508   if (*non_root == 0)
 509     return NULL;
 510
 511   dirname = g_path_get_dirname (local->filename);
 512   parent = _g_local_file_new (dirname);
 513   g_free (dirname);
 514   return parent;
 515 }
 516
 517 static GFile *
 518 g_local_file_dup (GFile *file)
 519 {
 520   GLocalFile *local = G_LOCAL_FILE (file);
 521
 522   return _g_local_file_new (local->filename);
 523 }
 524
 525 static guint
 526 g_local_file_hash (GFile *file)
 527 {
 528   GLocalFile *local = G_LOCAL_FILE (file);
 529
 530   return g_str_hash (local->filename);
 531 }
 532
 533 static gboolean
 534 g_local_file_equal (GFile *file1,
 535                     GFile *file2)
 536 {
 537   GLocalFile *local1 = G_LOCAL_FILE (file1);
 538   GLocalFile *local2 = G_LOCAL_FILE (file2);
 539
 540   return g_str_equal (local1->filename, local2->filename);
 541 }
 542
 543 static const char *
 544 match_prefix (const char *path,
 545               const char *prefix)
 546 {
 547   int prefix_len;
 548
 549   prefix_len = strlen (prefix);
 550   if (strncmp (path, prefix, prefix_len) != 0)
 551     return NULL;
 552
 553   /* Handle the case where prefix is the root, so that
 554    * the IS_DIR_SEPRARATOR check below works */
 555   if (prefix_len > 0 &&
 556       G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
 557     prefix_len--;
 558
 559   return path + prefix_len;
 560 }
 561
 562 static gboolean
 563 g_local_file_prefix_matches (GFile *parent,
 564                              GFile *descendant)
 565 {
 566   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 567   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 568   const char *remainder;
 569
 570   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 571   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 572     return TRUE;
 573   return FALSE;
 574 }
 575
 576 static char *
 577 g_local_file_get_relative_path (GFile *parent,
 578                                 GFile *descendant)
 579 {
 580   GLocalFile *parent_local = G_LOCAL_FILE (parent);
 581   GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
 582   const char *remainder;
 583
 584   remainder = match_prefix (descendant_local->filename, parent_local->filename);
 585
 586   if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
 587     return g_strdup (remainder + 1);
 588   return NULL;
 589 }
 590
 591 static GFile *
 592 g_local_file_resolve_relative_path (GFile      *file,
 593                                     const char *relative_path)
 594 {
 595   GLocalFile *local = G_LOCAL_FILE (file);
 596   char *filename;
 597   GFile *child;
 598
 599   if (g_path_is_absolute (relative_path))
 600     return _g_local_file_new (relative_path);
 601
 602   filename = g_build_filename (local->filename, relative_path, NULL);
 603   child = _g_local_file_new (filename);
 604   g_free (filename);
 605
 606   return child;
 607 }
 608
 609 static GFileEnumerator *
 610 g_local_file_enumerate_children (GFile                *file,
 611                                  const char           *attributes,
 612                                  GFileQueryInfoFlags   flags,
 613                                  GCancellable         *cancellable,
 614                                  GError              **error)
 615 {
 616   GLocalFile *local = G_LOCAL_FILE (file);
 617   return _g_local_file_enumerator_new (local,
 618                                        attributes, flags,
 619                                        cancellable, error);
 620 }
 621
 622 static GFile *
 623 g_local_file_get_child_for_display_name (GFile        *file,
 624                                          const char   *display_name,
 625                                          GError      **error)
 626 {
 627   GFile *new_file;
 628   char *basename;
 629
 630   basename = g_filename_from_utf8 (display_name, -1, NULL, NULL, NULL);
 631   if (basename == NULL)
 632     {
 633       g_set_error (error, G_IO_ERROR,
 634                    G_IO_ERROR_INVALID_FILENAME,
 635                    _("Invalid filename %s"), display_name);
 636       return NULL;
 637     }
 638
 639   new_file = g_file_get_child (file, basename);
 640   g_free (basename);
 641
 642   return new_file;
 643 }
 644
 645 #if defined(USE_STATFS) && !defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
 646 static const char *
 647 get_fs_type (long f_type)
 648 {
 649   /* filesystem ids taken from linux manpage */
 650   switch (f_type)
 651     {
 652     case 0xadf5:
 653       return "adfs";
 654     case 0x5346414f:
 655       return "afs";
 656     case 0x0187:
 657       return "autofs";
 658     case 0xADFF:
 659       return "affs";
 660     case 0x42465331:
 661       return "befs";
 662     case 0x1BADFACE:
 663       return "bfs";
 664     case 0x9123683E:
 665       return "btrfs";
 666     case 0xFF534D42:
 667       return "cifs";
 668     case 0x73757245:
 669       return "coda";
 670     case 0x012FF7B7:
 671       return "coh";
 672     case 0x28cd3d45:
 673       return "cramfs";
 674     case 0x1373:
 675       return "devfs";
 676     case 0x00414A53:
 677       return "efs";
 678     case 0x137D:
 679       return "ext";
 680     case 0xEF51:
 681       return "ext2";
 682     case 0xEF53:
 683       return "ext3/ext4";
 684     case 0x4244:
 685       return "hfs";
 686     case 0xF995E849:
 687       return "hpfs";
 688     case 0x958458f6:
 689       return "hugetlbfs";
 690     case 0x9660:
 691       return "isofs";
 692     case 0x72b6:
 693       return "jffs2";
 694     case 0x3153464a:
 695       return "jfs";
 696     case 0x137F:
 697       return "minix";
 698     case 0x138F:
 699       return "minix2";
 700     case 0x2468:
 701       return "minix2";
 702     case 0x2478:
 703       return "minix22";
 704     case 0x4d44:
 705       return "msdos";
 706     case 0x564c:
 707       return "ncp";
 708     case 0x6969:
 709       return "nfs";
 710     case 0x5346544e:
 711       return "ntfs";
 712     case 0x9fa1:
 713       return "openprom";
 714     case 0x9fa0:
 715       return "proc";
 716     case 0x002f:
 717       return "qnx4";
 718     case 0x52654973:
 719       return "reiserfs";
 720     case 0x7275:
 721       return "romfs";
 722     case 0x517B:
 723       return "smb";
 724     case 0x73717368:
 725       return "squashfs";
 726     case 0x012FF7B6:
 727       return "sysv2";
 728     case 0x012FF7B5:
 729       return "sysv4";
 730     case 0x01021994:
 731       return "tmpfs";
 732     case 0x15013346:
 733       return "udf";
 734     case 0x00011954:
 735       return "ufs";
 736     case 0x9fa2:
 737       return "usbdevice";
 738     case 0xa501FCF5:
 739       return "vxfs";
 740     case 0x012FF7B4:
 741       return "xenix";
 742     case 0x58465342:
 743       return "xfs";
 744     case 0x012FD16D:
 745       return "xiafs";
 746     case 0x52345362:
 747       return "reiser4";
 748     default:
 749       return NULL;
 750     }
 751 }
 752 #endif
 753
 754 #ifndef G_OS_WIN32
 755
 756 G_LOCK_DEFINE_STATIC(mount_info_hash);
 757 static GHashTable *mount_info_hash = NULL;
 758 static guint64 mount_info_hash_cache_time = 0;
 759
 760 typedef enum {
 761   MOUNT_INFO_READONLY = 1<<0
 762 } MountInfo;
 763
 764 static gboolean
 765 device_equal (gconstpointer v1,
 766               gconstpointer v2)
 767 {
 768   return *(dev_t *)v1 == *(dev_t *)v2;
 769 }
 770
 771 static guint
 772 device_hash (gconstpointer v)
 773 {
 774   return (guint) *(dev_t *)v;
 775 }
 776
 777 static void
 778 get_mount_info (GFileInfo             *fs_info,
 779                 const char            *path,
 780                 GFileAttributeMatcher *matcher)
 781 {
 782   GStatBuf buf;
 783   gboolean got_info;
 784   gpointer info_as_ptr;
 785   guint mount_info;
 786   char *mountpoint;
 787   dev_t *dev;
 788   GUnixMountEntry *mount;
 789   guint64 cache_time;
 790
 791   if (g_lstat (path, &buf) != 0)
 792     return;
 793
 794   G_LOCK (mount_info_hash);
 795
 796   if (mount_info_hash == NULL)
 797     mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
 798                                              g_free, NULL);
 799
 800
 801   if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
 802     g_hash_table_remove_all (mount_info_hash);
 803
 804   got_info = g_hash_table_lookup_extended (mount_info_hash,
 805                                            &buf.st_dev,
 806                                            NULL,
 807                                            &info_as_ptr);
 808
 809   G_UNLOCK (mount_info_hash);
 810
 811   mount_info = GPOINTER_TO_UINT (info_as_ptr);
 812
 813   if (!got_info)
 814     {
 815       mount_info = 0;
 816
 817       mountpoint = find_mountpoint_for (path, buf.st_dev);
 818       if (mountpoint == NULL)
 819         mountpoint = g_strdup ("/");
 820
 821       mount = g_unix_mount_at (mountpoint, &cache_time);
 822       if (mount)
 823         {
 824           if (g_unix_mount_is_readonly (mount))
 825             mount_info |= MOUNT_INFO_READONLY;
 826
 827           g_unix_mount_free (mount);
 828         }
 829
 830       g_free (mountpoint);
 831
 832       dev = g_new0 (dev_t, 1);
 833       *dev = buf.st_dev;
 834
 835       G_LOCK (mount_info_hash);
 836       mount_info_hash_cache_time = cache_time;
 837       g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
 838       G_UNLOCK (mount_info_hash);
 839     }
 840
 841   if (mount_info & MOUNT_INFO_READONLY)
 842     g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 843 }
 844
 845 #endif
 846
 847 #ifdef G_OS_WIN32
 848
 849 static gboolean
 850 is_xp_or_later (void)
 851 {
 852   static int result = -1;
 853
 854   if (result == -1)
 855     {
 856 #ifndef _MSC_VER
 857       OSVERSIONINFOEX ver_info = {0};
 858       DWORDLONG cond_mask = 0;
 859       int op = VER_GREATER_EQUAL;
 860
 861       ver_info.dwOSVersionInfoSize = sizeof ver_info;
 862       ver_info.dwMajorVersion = 5;
 863       ver_info.dwMinorVersion = 1;
 864
 865       VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
 866       VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
 867
 868       result = VerifyVersionInfo (&ver_info,
 869                                   VER_MAJORVERSION | VER_MINORVERSION,
 870                                   cond_mask) != 0;
 871 #else
 872       result = ((DWORD)(LOBYTE (LOWORD (GetVersion ())))) >= 5;
 873 #endif
 874     }
 875
 876   return result;
 877 }
 878
 879 static wchar_t *
 880 get_volume_for_path (const char *path)
 881 {
 882   long len;
 883   wchar_t *wpath;
 884   wchar_t *result;
 885
 886   wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
 887   result = g_new (wchar_t, MAX_PATH);
 888
 889   if (!GetVolumePathNameW (wpath, result, MAX_PATH))
 890     {
 891       char *msg = g_win32_error_message (GetLastError ());
 892       g_critical ("GetVolumePathName failed: %s", msg);
 893       g_free (msg);
 894       g_free (result);
 895       g_free (wpath);
 896       return NULL;
 897     }
 898
 899   len = wcslen (result);
 900   if (len > 0 && result[len-1] != L'\\')
 901     {
 902       result = g_renew (wchar_t, result, len + 2);
 903       result[len] = L'\\';
 904       result[len + 1] = 0;
 905     }
 906
 907   g_free (wpath);
 908   return result;
 909 }
 910
 911 static char *
 912 find_mountpoint_for (const char *file, dev_t dev)
 913 {
 914   wchar_t *wpath;
 915   char *utf8_path;
 916
 917   wpath = get_volume_for_path (file);
 918   if (!wpath)
 919     return NULL;
 920
 921   utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
 922
 923   g_free (wpath);
 924   return utf8_path;
 925 }
 926
 927 static void
 928 get_filesystem_readonly (GFileInfo  *info,
 929                          const char *path)
 930 {
 931   wchar_t *rootdir;
 932
 933   rootdir = get_volume_for_path (path);
 934
 935   if (rootdir)
 936     {
 937       if (is_xp_or_later ())
 938         {
 939           DWORD flags;
 940           if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
 941             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
 942                                                (flags & FILE_READ_ONLY_VOLUME) != 0);
 943         }
 944       else
 945         {
 946           if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
 947             g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
 948         }
 949     }
 950
 951   g_free (rootdir);
 952 }
 953
 954 #endif /* G_OS_WIN32 */
 955
 956 static GFileInfo *
 957 g_local_file_query_filesystem_info (GFile         *file,
 958                                     const char    *attributes,
 959                                     GCancellable  *cancellable,
 960                                     GError       **error)
 961 {
 962   GLocalFile *local = G_LOCAL_FILE (file);
 963   GFileInfo *info;
 964   int statfs_result = 0;
 965   gboolean no_size;
 966 #ifndef G_OS_WIN32
 967   const char *fstype;
 968 #ifdef USE_STATFS
 969   guint64 block_size;
 970   struct statfs statfs_buffer;
 971 #elif defined(USE_STATVFS)
 972   guint64 block_size;
 973   struct statvfs statfs_buffer;
 974 #endif /* USE_STATFS */
 975 #endif /* G_OS_WIN32 */
 976   GFileAttributeMatcher *attribute_matcher;
 977
 978   no_size = FALSE;
 979
 980 #ifdef USE_STATFS
 981
 982 #if STATFS_ARGS == 2
 983   statfs_result = statfs (local->filename, &statfs_buffer);
 984 #elif STATFS_ARGS == 4
 985   statfs_result = statfs (local->filename, &statfs_buffer,
 986                           sizeof (statfs_buffer), 0);
 987 #endif /* STATFS_ARGS == 2 */
 988   block_size = statfs_buffer.f_bsize;
 989
 990   /* Many backends can't report free size (for instance the gvfs fuse
 991      backend for backend not supporting this), and set f_bfree to 0,
 992      but it can be 0 for real too. We treat the available == 0 and
 993      free == 0 case as "both of these are invalid".
 994    */
 995 #ifndef G_OS_WIN32
 996   if (statfs_result == 0 &&
 997       statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0)
 998     no_size = TRUE;
 999 #endif /* G_OS_WIN32 */
1000
1001 #elif defined(USE_STATVFS)
1002   statfs_result = statvfs (local->filename, &statfs_buffer);
1003   block_size = statfs_buffer.f_frsize;
1004 #endif /* USE_STATFS */
1005
1006   if (statfs_result == -1)
1007     {
1008       int errsv = errno;
1009
1010       g_set_error (error, G_IO_ERROR,
1011                    g_io_error_from_errno (errsv),
1012                    _("Error getting filesystem info: %s"),
1013                    g_strerror (errsv));
1014       return NULL;
1015     }
1016
1017   info = g_file_info_new ();
1018
1019   attribute_matcher = g_file_attribute_matcher_new (attributes);
1020
1021   if (!no_size &&
1022       g_file_attribute_matcher_matches (attribute_matcher,
1023                                         G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
1024     {
1025 #ifdef G_OS_WIN32
1026       gchar *localdir = g_path_get_dirname (local->filename);
1027       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1028       ULARGE_INTEGER li;
1029
1030       g_free (localdir);
1031       if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
1032         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
1033       g_free (wdirname);
1034 #else
1035 #if defined(USE_STATFS) || defined(USE_STATVFS)
1036       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
1037 #endif
1038 #endif
1039     }
1040   if (!no_size &&
1041       g_file_attribute_matcher_matches (attribute_matcher,
1042                                         G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
1043     {
1044 #ifdef G_OS_WIN32
1045       gchar *localdir = g_path_get_dirname (local->filename);
1046       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1047       ULARGE_INTEGER li;
1048
1049       g_free (localdir);
1050       if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
1051         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,  (guint64)li.QuadPart);
1052       g_free (wdirname);
1053 #else
1054 #if defined(USE_STATFS) || defined(USE_STATVFS)
1055       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
1056 #endif
1057 #endif /* G_OS_WIN32 */
1058     }
1059
1060   if (!no_size &&
1061       g_file_attribute_matcher_matches (attribute_matcher,
1062                                         G_FILE_ATTRIBUTE_FILESYSTEM_USED))
1063     {
1064 #ifdef G_OS_WIN32
1065       gchar *localdir = g_path_get_dirname (local->filename);
1066       wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
1067       ULARGE_INTEGER li_free;
1068       ULARGE_INTEGER li_total;
1069
1070       g_free (localdir);
1071       if (GetDiskFreeSpaceExW (wdirname, &li_free, &li_total, NULL))
1072         g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED,  (guint64)li_total.QuadPart - (guint64)li_free.QuadPart);
1073       g_free (wdirname);
1074 #else
1075       g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_USED, block_size * (statfs_buffer.f_blocks - statfs_buffer.f_bfree));
1076 #endif /* G_OS_WIN32 */
1077     }
1078
1079 #ifndef G_OS_WIN32
1080 #ifdef USE_STATFS
1081 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
1082   fstype = g_strdup (statfs_buffer.f_fstypename);
1083 #else
1084   fstype = get_fs_type (statfs_buffer.f_type);
1085 #endif
1086
1087 #elif defined(USE_STATVFS)
1088 #if defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME)
1089   fstype = g_strdup (statfs_buffer.f_fstypename);
1090 #elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
1091   fstype = g_strdup (statfs_buffer.f_basetype);
1092 #else
1093   fstype = NULL;
1094 #endif
1095 #endif /* USE_STATFS */
1096
1097   if (fstype &&
1098       g_file_attribute_matcher_matches (attribute_matcher,
1099                                         G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1100     g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
1101 #endif /* G_OS_WIN32 */
1102
1103   if (g_file_attribute_matcher_matches (attribute_matcher,
1104                                         G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1105     {
1106 #ifdef G_OS_WIN32
1107       get_filesystem_readonly (info, local->filename);
1108 #else
1109       get_mount_info (info, local->filename, attribute_matcher);
1110 #endif /* G_OS_WIN32 */
1111     }
1112
1113   g_file_attribute_matcher_unref (attribute_matcher);
1114
1115   return info;
1116 }
1117
1118 static GMount *
1119 g_local_file_find_enclosing_mount (GFile         *file,
1120                                    GCancellable  *cancellable,
1121                                    GError       **error)
1122 {
1123   GLocalFile *local = G_LOCAL_FILE (file);
1124   GStatBuf buf;
1125   char *mountpoint;
1126   GMount *mount;
1127
1128   if (g_lstat (local->filename, &buf) != 0)
1129     {
1130       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1131                       /* Translators: This is an error message when trying to
1132                        * find the enclosing (user visible) mount of a file, but
1133                        * none exists. */
1134                       _("Containing mount does not exist"));
1135       return NULL;
1136     }
1137
1138   mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
1139   if (mountpoint == NULL)
1140     {
1141       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1142                       /* Translators: This is an error message when trying to
1143                        * find the enclosing (user visible) mount of a file, but
1144                        * none exists. */
1145                       _("Containing mount does not exist"));
1146       return NULL;
1147     }
1148
1149   mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
1150   g_free (mountpoint);
1151   if (mount)
1152     return mount;
1153
1154   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1155                   /* Translators: This is an error message when trying to find
1156                    * the enclosing (user visible) mount of a file, but none
1157                    * exists. */
1158                   _("Containing mount does not exist"));
1159   return NULL;
1160 }
1161
1162 static GFile *
1163 g_local_file_set_display_name (GFile         *file,
1164                                const char    *display_name,
1165                                GCancellable  *cancellable,
1166                                GError       **error)
1167 {
1168   GLocalFile *local, *new_local;
1169   GFile *new_file, *parent;
1170   GStatBuf statbuf;
1171   GVfsClass *class;
1172   GVfs *vfs;
1173   int errsv;
1174
1175   parent = g_file_get_parent (file);
1176   if (parent == NULL)
1177     {
1178       g_set_error_literal (error, G_IO_ERROR,
1179                            G_IO_ERROR_FAILED,
1180                            _("Can't rename root directory"));
1181       return NULL;
1182     }
1183
1184   new_file = g_file_get_child_for_display_name (parent, display_name, error);
1185   g_object_unref (parent);
1186
1187   if (new_file == NULL)
1188     return NULL;
1189   local = G_LOCAL_FILE (file);
1190   new_local = G_LOCAL_FILE (new_file);
1191
1192   if (g_lstat (new_local->filename, &statbuf) == -1)
1193     {
1194       errsv = errno;
1195
1196       if (errsv != ENOENT)
1197         {
1198           g_set_error (error, G_IO_ERROR,
1199                        g_io_error_from_errno (errsv),
1200                        _("Error renaming file: %s"),
1201                        g_strerror (errsv));
1202           return NULL;
1203         }
1204     }
1205   else
1206     {
1207       g_set_error_literal (error, G_IO_ERROR,
1208                            G_IO_ERROR_EXISTS,
1209                            _("Can't rename file, filename already exists"));
1210       return NULL;
1211     }
1212
1213   if (g_rename (local->filename, new_local->filename) == -1)
1214     {
1215       errsv = errno;
1216
1217       if (errsv == EINVAL)
1218         /* We can't get a rename file into itself error herer,
1219            so this must be an invalid filename, on e.g. FAT */
1220         g_set_error_literal (error, G_IO_ERROR,
1221                              G_IO_ERROR_INVALID_FILENAME,
1222                              _("Invalid filename"));
1223       else
1224         g_set_error (error, G_IO_ERROR,
1225                      g_io_error_from_errno (errsv),
1226                      _("Error renaming file: %s"),
1227                      g_strerror (errsv));
1228       g_object_unref (new_file);
1229       return NULL;
1230     }
1231
1232   vfs = g_vfs_get_default ();
1233   class = G_VFS_GET_CLASS (vfs);
1234   if (class->local_file_moved)
1235     class->local_file_moved (vfs, local->filename, new_local->filename);
1236
1237   return new_file;
1238 }
1239
1240 static GFileInfo *
1241 g_local_file_query_info (GFile                *file,
1242                          const char           *attributes,
1243                          GFileQueryInfoFlags   flags,
1244                          GCancellable         *cancellable,
1245                          GError              **error)
1246 {
1247   GLocalFile *local = G_LOCAL_FILE (file);
1248   GFileInfo *info;
1249   GFileAttributeMatcher *matcher;
1250   char *basename, *dirname;
1251   GLocalParentFileInfo parent_info;
1252
1253   matcher = g_file_attribute_matcher_new (attributes);
1254
1255   basename = g_path_get_basename (local->filename);
1256
1257   dirname = g_path_get_dirname (local->filename);
1258   _g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
1259   g_free (dirname);
1260
1261   info = _g_local_file_info_get (basename, local->filename,
1262                                  matcher, flags, &parent_info,
1263                                  error);
1264
1265
1266   _g_local_file_info_free_parent_info (&parent_info);
1267   g_free (basename);
1268
1269   g_file_attribute_matcher_unref (matcher);
1270
1271   return info;
1272 }
1273
1274 static GFileAttributeInfoList *
1275 g_local_file_query_settable_attributes (GFile         *file,
1276                                         GCancellable  *cancellable,
1277                                         GError       **error)
1278 {
1279   return g_file_attribute_info_list_ref (local_writable_attributes);
1280 }
1281
1282 static GFileAttributeInfoList *
1283 g_local_file_query_writable_namespaces (GFile         *file,
1284                                         GCancellable  *cancellable,
1285                                         GError       **error)
1286 {
1287   GFileAttributeInfoList *list;
1288   GVfsClass *class;
1289   GVfs *vfs;
1290
1291   if (g_once_init_enter (&local_writable_namespaces))
1292     {
1293       /* Writable namespaces: */
1294
1295       list = g_file_attribute_info_list_new ();
1296
1297 #ifdef HAVE_XATTR
1298       g_file_attribute_info_list_add (list,
1299                                       "xattr",
1300                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1301                                       G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
1302                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1303       g_file_attribute_info_list_add (list,
1304                                       "xattr-sys",
1305                                       G_FILE_ATTRIBUTE_TYPE_STRING,
1306                                       G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
1307 #endif
1308
1309       vfs = g_vfs_get_default ();
1310       class = G_VFS_GET_CLASS (vfs);
1311       if (class->add_writable_namespaces)
1312         class->add_writable_namespaces (vfs, list);
1313
1314       g_once_init_leave (&local_writable_namespaces, (gsize)list);
1315     }
1316   list = (GFileAttributeInfoList *)local_writable_namespaces;
1317
1318   return g_file_attribute_info_list_ref (list);
1319 }
1320
1321 static gboolean
1322 g_local_file_set_attribute (GFile                *file,
1323                             const char           *attribute,
1324                             GFileAttributeType    type,
1325                             gpointer              value_p,
1326                             GFileQueryInfoFlags   flags,
1327                             GCancellable         *cancellable,
1328                             GError              **error)
1329 {
1330   GLocalFile *local = G_LOCAL_FILE (file);
1331
1332   return _g_local_file_info_set_attribute (local->filename,
1333                                            attribute,
1334                                            type,
1335                                            value_p,
1336                                            flags,
1337                                            cancellable,
1338                                            error);
1339 }
1340
1341 static gboolean
1342 g_local_file_set_attributes_from_info (GFile                *file,
1343                                        GFileInfo            *info,
1344                                        GFileQueryInfoFlags   flags,
1345                                        GCancellable         *cancellable,
1346                                        GError              **error)
1347 {
1348   GLocalFile *local = G_LOCAL_FILE (file);
1349   int res, chained_res;
1350   GFileIface *default_iface;
1351
1352   res = _g_local_file_info_set_attributes (local->filename,
1353                                            info, flags,
1354                                            cancellable,
1355                                            error);
1356
1357   if (!res)
1358     error = NULL; /* Don't write over error if further errors */
1359
1360   default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1361
1362   chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1363
1364   return res && chained_res;
1365 }
1366
1367 static GFileInputStream *
1368 g_local_file_read (GFile         *file,
1369                    GCancellable  *cancellable,
1370                    GError       **error)
1371 {
1372   GLocalFile *local = G_LOCAL_FILE (file);
1373   int fd, ret;
1374   GLocalFileStat buf;
1375
1376   fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
1377   if (fd == -1)
1378     {
1379       int errsv = errno;
1380
1381 #ifdef G_OS_WIN32
1382       if (errsv == EACCES)
1383         {
1384           ret = _stati64 (local->filename, &buf);
1385           if (ret == 0 && S_ISDIR (buf.st_mode))
1386             {
1387               g_set_error_literal (error, G_IO_ERROR,
1388                                    G_IO_ERROR_IS_DIRECTORY,
1389                                    _("Can't open directory"));
1390               return NULL;
1391             }
1392         }
1393 #endif
1394
1395       g_set_error (error, G_IO_ERROR,
1396                    g_io_error_from_errno (errsv),
1397                    _("Error opening file: %s"),
1398                    g_strerror (errsv));
1399       return NULL;
1400     }
1401
1402 #ifdef G_OS_WIN32
1403   ret = _fstati64 (fd, &buf);
1404 #else
1405   ret = fstat (fd, &buf);
1406 #endif
1407
1408   if (ret == 0 && S_ISDIR (buf.st_mode))
1409     {
1410       (void) g_close (fd, NULL);
1411       g_set_error_literal (error, G_IO_ERROR,
1412                            G_IO_ERROR_IS_DIRECTORY,
1413                            _("Can't open directory"));
1414       return NULL;
1415     }
1416
1417   return _g_local_file_input_stream_new (fd);
1418 }
1419
1420 static GFileOutputStream *
1421 g_local_file_append_to (GFile             *file,
1422                         GFileCreateFlags   flags,
1423                         GCancellable      *cancellable,
1424                         GError           **error)
1425 {
1426   return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1427                                              flags, cancellable, error);
1428 }
1429
1430 static GFileOutputStream *
1431 g_local_file_create (GFile             *file,
1432                      GFileCreateFlags   flags,
1433                      GCancellable      *cancellable,
1434                      GError           **error)
1435 {
1436   return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1437                                              FALSE, flags, NULL,
1438                                              cancellable, error);
1439 }
1440
1441 static GFileOutputStream *
1442 g_local_file_replace (GFile             *file,
1443                       const char        *etag,
1444                       gboolean           make_backup,
1445                       GFileCreateFlags   flags,
1446                       GCancellable      *cancellable,
1447                       GError           **error)
1448 {
1449   return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1450                                               FALSE,
1451                                               etag, make_backup, flags, NULL,
1452                                               cancellable, error);
1453 }
1454
1455 static GFileIOStream *
1456 g_local_file_open_readwrite (GFile                      *file,
1457                              GCancellable               *cancellable,
1458                              GError                    **error)
1459 {
1460   GFileOutputStream *output;
1461   GFileIOStream *res;
1462
1463   output = _g_local_file_output_stream_open (G_LOCAL_FILE (file)->filename,
1464                                              TRUE,
1465                                              cancellable, error);
1466   if (output == NULL)
1467     return NULL;
1468
1469   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1470   g_object_unref (output);
1471   return res;
1472 }
1473
1474 static GFileIOStream *
1475 g_local_file_create_readwrite (GFile                      *file,
1476                                GFileCreateFlags            flags,
1477                                GCancellable               *cancellable,
1478                                GError                    **error)
1479 {
1480   GFileOutputStream *output;
1481   GFileIOStream *res;
1482
1483   output = _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1484                                                TRUE, flags, NULL,
1485                                                cancellable, error);
1486   if (output == NULL)
1487     return NULL;
1488
1489   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1490   g_object_unref (output);
1491   return res;
1492 }
1493
1494 static GFileIOStream *
1495 g_local_file_replace_readwrite (GFile                      *file,
1496                                 const char                 *etag,
1497                                 gboolean                    make_backup,
1498                                 GFileCreateFlags            flags,
1499                                 GCancellable               *cancellable,
1500                                 GError                    **error)
1501 {
1502   GFileOutputStream *output;
1503   GFileIOStream *res;
1504
1505   output = _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1506                                                 TRUE,
1507                                                 etag, make_backup, flags, NULL,
1508                                                 cancellable, error);
1509   if (output == NULL)
1510     return NULL;
1511
1512   res = _g_local_file_io_stream_new (G_LOCAL_FILE_OUTPUT_STREAM (output));
1513   g_object_unref (output);
1514   return res;
1515 }
1516
1517 static gboolean
1518 g_local_file_delete (GFile         *file,
1519                      GCancellable  *cancellable,
1520                      GError       **error)
1521 {
1522   GLocalFile *local = G_LOCAL_FILE (file);
1523   GVfsClass *class;
1524   GVfs *vfs;
1525
1526   if (g_remove (local->filename) == -1)
1527     {
1528       int errsv = errno;
1529
1530       /* Posix allows EEXIST too, but the more sane error
1531          is G_IO_ERROR_NOT_FOUND, and it's what nautilus
1532          expects */
1533       if (errsv == EEXIST)
1534         errsv = ENOTEMPTY;
1535
1536       g_set_error (error, G_IO_ERROR,
1537                    g_io_error_from_errno (errsv),
1538                    _("Error removing file: %s"),
1539                    g_strerror (errsv));
1540       return FALSE;
1541     }
1542
1543   vfs = g_vfs_get_default ();
1544   class = G_VFS_GET_CLASS (vfs);
1545   if (class->local_file_removed)
1546     class->local_file_removed (vfs, local->filename);
1547
1548   return TRUE;
1549 }
1550
1551 #ifndef G_OS_WIN32
1552
1553 static char *
1554 strip_trailing_slashes (const char *path)
1555 {
1556   char *path_copy;
1557   int len;
1558
1559   path_copy = g_strdup (path);
1560   len = strlen (path_copy);
1561   while (len > 1 && path_copy[len-1] == '/')
1562     path_copy[--len] = 0;
1563
1564   return path_copy;
1565  }
1566
1567 static char *
1568 expand_symlink (const char *link)
1569 {
1570   char *resolved, *canonical, *parent, *link2;
1571   char symlink_value[4096];
1572 #ifdef G_OS_WIN32
1573 #else
1574   ssize_t res;
1575 #endif
1576
1577 #ifdef G_OS_WIN32
1578 #else
1579   res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
1580
1581   if (res == -1)
1582     return g_strdup (link);
1583   symlink_value[res] = 0;
1584 #endif
1585
1586   if (g_path_is_absolute (symlink_value))
1587     return canonicalize_filename (symlink_value);
1588   else
1589     {
1590       link2 = strip_trailing_slashes (link);
1591       parent = g_path_get_dirname (link2);
1592       g_free (link2);
1593
1594       resolved = g_build_filename (parent, symlink_value, NULL);
1595       g_free (parent);
1596
1597       canonical = canonicalize_filename (resolved);
1598
1599       g_free (resolved);
1600
1601       return canonical;
1602     }
1603 }
1604
1605 static char *
1606 get_parent (const char *path,
1607             dev_t      *parent_dev)
1608 {
1609   char *parent, *tmp;
1610   GStatBuf parent_stat;
1611   int num_recursions;
1612   char *path_copy;
1613
1614   path_copy = strip_trailing_slashes (path);
1615
1616   parent = g_path_get_dirname (path_copy);
1617   if (strcmp (parent, ".") == 0 ||
1618       strcmp (parent, path_copy) == 0)
1619     {
1620       g_free (parent);
1621       g_free (path_copy);
1622       return NULL;
1623     }
1624   g_free (path_copy);
1625
1626   num_recursions = 0;
1627   do {
1628     if (g_lstat (parent, &parent_stat) != 0)
1629       {
1630         g_free (parent);
1631         return NULL;
1632       }
1633
1634     if (S_ISLNK (parent_stat.st_mode))
1635       {
1636         tmp = parent;
1637         parent = expand_symlink (parent);
1638         g_free (tmp);
1639       }
1640
1641     num_recursions++;
1642     if (num_recursions > 12)
1643       {
1644         g_free (parent);
1645         return NULL;
1646       }
1647   } while (S_ISLNK (parent_stat.st_mode));
1648
1649   *parent_dev = parent_stat.st_dev;
1650
1651   return parent;
1652 }
1653
1654 static char *
1655 expand_all_symlinks (const char *path)
1656 {
1657   char *parent, *parent_expanded;
1658   char *basename, *res;
1659   dev_t parent_dev;
1660
1661   parent = get_parent (path, &parent_dev);
1662   if (parent)
1663     {
1664       parent_expanded = expand_all_symlinks (parent);
1665       g_free (parent);
1666       basename = g_path_get_basename (path);
1667       res = g_build_filename (parent_expanded, basename, NULL);
1668       g_free (basename);
1669       g_free (parent_expanded);
1670     }
1671   else
1672     res = g_strdup (path);
1673
1674   return res;
1675 }
1676
1677 static char *
1678 find_mountpoint_for (const char *file,
1679                      dev_t       dev)
1680 {
1681   char *dir, *parent;
1682   dev_t dir_dev, parent_dev;
1683
1684   dir = g_strdup (file);
1685   dir_dev = dev;
1686
1687   while (1)
1688     {
1689       parent = get_parent (dir, &parent_dev);
1690       if (parent == NULL)
1691         return dir;
1692
1693       if (parent_dev != dir_dev)
1694         {
1695           g_free (parent);
1696           return dir;
1697         }
1698
1699       g_free (dir);
1700       dir = parent;
1701     }
1702 }
1703
1704 static char *
1705 find_topdir_for (const char *file)
1706 {
1707   char *dir;
1708   char *mountpoint = NULL;
1709   dev_t dir_dev;
1710
1711   dir = get_parent (file, &dir_dev);
1712   if (dir == NULL)
1713     return NULL;
1714
1715   mountpoint = find_mountpoint_for (dir, dir_dev);
1716   g_free (dir);
1717
1718   return mountpoint;
1719 }
1720
1721 static char *
1722 get_unique_filename (const char *basename,
1723                      int         id)
1724 {
1725   const char *dot;
1726
1727   if (id == 1)
1728     return g_strdup (basename);
1729
1730   dot = strchr (basename, '.');
1731   if (dot)
1732     return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1733   else
1734     return g_strdup_printf ("%s.%d", basename, id);
1735 }
1736
1737 static gboolean
1738 path_has_prefix (const char *path,
1739                  const char *prefix)
1740 {
1741   int prefix_len;
1742
1743   if (prefix == NULL)
1744     return TRUE;
1745
1746   prefix_len = strlen (prefix);
1747
1748   if (strncmp (path, prefix, prefix_len) == 0 &&
1749       (prefix_len == 0 || /* empty prefix always matches */
1750        prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1751        path[prefix_len] == 0 ||
1752        path[prefix_len] == '/'))
1753     return TRUE;
1754
1755   return FALSE;
1756 }
1757
1758 static char *
1759 try_make_relative (const char *path,
1760                    const char *base)
1761 {
1762   char *path2, *base2;
1763   char *relative;
1764
1765   path2 = expand_all_symlinks (path);
1766   base2 = expand_all_symlinks (base);
1767
1768   relative = NULL;
1769   if (path_has_prefix (path2, base2))
1770     {
1771       relative = path2 + strlen (base2);
1772       while (*relative == '/')
1773         relative ++;
1774       relative = g_strdup (relative);
1775     }
1776   g_free (path2);
1777   g_free (base2);
1778
1779   if (relative)
1780     return relative;
1781
1782   /* Failed, use abs path */
1783   return g_strdup (path);
1784 }
1785
1786 gboolean
1787 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
1788 {
1789   static gsize home_dev_set = 0;
1790   static dev_t home_dev;
1791   char *topdir, *globaldir, *trashdir, *tmpname;
1792   uid_t uid;
1793   char uid_str[32];
1794   GStatBuf global_stat, trash_stat;
1795   gboolean res;
1796
1797   if (g_once_init_enter (&home_dev_set))
1798     {
1799       GStatBuf home_stat;
1800
1801       g_stat (g_get_home_dir (), &home_stat);
1802       home_dev = home_stat.st_dev;
1803       g_once_init_leave (&home_dev_set, 1);
1804     }
1805
1806   /* Assume we can trash to the home */
1807   if (dir_dev == home_dev)
1808     return TRUE;
1809
1810   topdir = find_mountpoint_for (dirname, dir_dev);
1811   if (topdir == NULL)
1812     return FALSE;
1813
1814   globaldir = g_build_filename (topdir, ".Trash", NULL);
1815   if (g_lstat (globaldir, &global_stat) == 0 &&
1816       S_ISDIR (global_stat.st_mode) &&
1817       (global_stat.st_mode & S_ISVTX) != 0)
1818     {
1819       /* got a toplevel sysadmin created dir, assume we
1820        * can trash to it (we should be able to create a dir)
1821        * This fails for the FAT case where the ownership of
1822        * that dir would be wrong though..
1823        */
1824       g_free (globaldir);
1825       g_free (topdir);
1826       return TRUE;
1827     }
1828   g_free (globaldir);
1829
1830   /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1831   uid = geteuid ();
1832   g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long) uid);
1833
1834   tmpname = g_strdup_printf (".Trash-%s", uid_str);
1835   trashdir = g_build_filename (topdir, tmpname, NULL);
1836   g_free (tmpname);
1837
1838   if (g_lstat (trashdir, &trash_stat) == 0)
1839     {
1840       g_free (topdir);
1841       g_free (trashdir);
1842       return S_ISDIR (trash_stat.st_mode) &&
1843              trash_stat.st_uid == uid;
1844     }
1845   g_free (trashdir);
1846
1847   /* User specific trash didn't exist, can we create it? */
1848   res = g_access (topdir, W_OK) == 0;
1849   g_free (topdir);
1850
1851   return res;
1852 }
1853
1854 #ifdef G_OS_UNIX
1855 gboolean
1856 _g_local_file_is_lost_found_dir (const char *path, dev_t path_dev)
1857 {
1858   gboolean ret = FALSE;
1859   gchar *mount_dir = NULL;
1860   size_t mount_dir_len;
1861   GStatBuf statbuf;
1862
1863   if (!g_str_has_suffix (path, "/lost+found"))
1864     goto out;
1865
1866   mount_dir = find_mountpoint_for (path, path_dev);
1867   if (mount_dir == NULL)
1868     goto out;
1869
1870   mount_dir_len = strlen (mount_dir);
1871   /* We special-case rootfs ('/') since it's the only case where
1872    * mount_dir ends in '/'
1873    */
1874   if (mount_dir_len == 1)
1875     mount_dir_len--;
1876   if (mount_dir_len + strlen ("/lost+found") != strlen (path))
1877     goto out;
1878
1879   if (g_lstat (path, &statbuf) != 0)
1880     goto out;
1881
1882   if (!(S_ISDIR (statbuf.st_mode) &&
1883         statbuf.st_uid == 0 &&
1884         statbuf.st_gid == 0))
1885     goto out;
1886
1887   ret = TRUE;
1888
1889  out:
1890   g_free (mount_dir);
1891   return ret;
1892 }
1893 #endif
1894
1895 static gboolean
1896 g_local_file_trash (GFile         *file,
1897                     GCancellable  *cancellable,
1898                     GError       **error)
1899 {
1900   GLocalFile *local = G_LOCAL_FILE (file);
1901   GStatBuf file_stat, home_stat;
1902   const char *homedir;
1903   char *trashdir, *topdir, *infodir, *filesdir;
1904   char *basename, *trashname, *trashfile, *infoname, *infofile;
1905   char *original_name, *original_name_escaped;
1906   int i;
1907   char *data;
1908   gboolean is_homedir_trash;
1909   char delete_time[32];
1910   int fd;
1911   GStatBuf trash_stat, global_stat;
1912   char *dirname, *globaldir;
1913   GVfsClass *class;
1914   GVfs *vfs;
1915
1916   if (g_lstat (local->filename, &file_stat) != 0)
1917     {
1918       int errsv = errno;
1919
1920       g_set_error (error, G_IO_ERROR,
1921                    g_io_error_from_errno (errsv),
1922                    _("Error trashing file: %s"),
1923                    g_strerror (errsv));
1924       return FALSE;
1925     }
1926
1927   homedir = g_get_home_dir ();
1928   g_stat (homedir, &home_stat);
1929
1930   is_homedir_trash = FALSE;
1931   trashdir = NULL;
1932   if (file_stat.st_dev == home_stat.st_dev)
1933     {
1934       is_homedir_trash = TRUE;
1935       errno = 0;
1936       trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
1937       if (g_mkdir_with_parents (trashdir, 0700) < 0)
1938         {
1939           char *display_name;
1940           int errsv = errno;
1941
1942           display_name = g_filename_display_name (trashdir);
1943           g_set_error (error, G_IO_ERROR,
1944                        g_io_error_from_errno (errsv),
1945                        _("Unable to create trash dir %s: %s"),
1946                        display_name, g_strerror (errsv));
1947           g_free (display_name);
1948           g_free (trashdir);
1949           return FALSE;
1950         }
1951       topdir = g_strdup (g_get_user_data_dir ());
1952     }
1953   else
1954     {
1955       uid_t uid;
1956       char uid_str[32];
1957
1958       uid = geteuid ();
1959       g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
1960
1961       topdir = find_topdir_for (local->filename);
1962       if (topdir == NULL)
1963         {
1964           g_set_error_literal (error, G_IO_ERROR,
1965                                G_IO_ERROR_NOT_SUPPORTED,
1966                                _("Unable to find toplevel directory for trash"));
1967           return FALSE;
1968         }
1969
1970       /* Try looking for global trash dir $topdir/.Trash/$uid */
1971       globaldir = g_build_filename (topdir, ".Trash", NULL);
1972       if (g_lstat (globaldir, &global_stat) == 0 &&
1973           S_ISDIR (global_stat.st_mode) &&
1974           (global_stat.st_mode & S_ISVTX) != 0)
1975         {
1976           trashdir = g_build_filename (globaldir, uid_str, NULL);
1977
1978           if (g_lstat (trashdir, &trash_stat) == 0)
1979             {
1980               if (!S_ISDIR (trash_stat.st_mode) ||
1981                   trash_stat.st_uid != uid)
1982                 {
1983                   /* Not a directory or not owned by user, ignore */
1984                   g_free (trashdir);
1985                   trashdir = NULL;
1986                 }
1987             }
1988           else if (g_mkdir (trashdir, 0700) == -1)
1989             {
1990               g_free (trashdir);
1991               trashdir = NULL;
1992             }
1993         }
1994       g_free (globaldir);
1995
1996       if (trashdir == NULL)
1997         {
1998           gboolean tried_create;
1999
2000           /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
2001           dirname = g_strdup_printf (".Trash-%s", uid_str);
2002           trashdir = g_build_filename (topdir, dirname, NULL);
2003           g_free (dirname);
2004
2005           tried_create = FALSE;
2006
2007         retry:
2008           if (g_lstat (trashdir, &trash_stat) == 0)
2009             {
2010               if (!S_ISDIR (trash_stat.st_mode) ||
2011                   trash_stat.st_uid != uid)
2012                 {
2013                   /* Remove the failed directory */
2014                   if (tried_create)
2015                     g_remove (trashdir);
2016
2017                   /* Not a directory or not owned by user, ignore */
2018                   g_free (trashdir);
2019                   trashdir = NULL;
2020                 }
2021             }
2022           else
2023             {
2024               if (!tried_create &&
2025                   g_mkdir (trashdir, 0700) != -1)
2026                 {
2027                   /* Ensure that the created dir has the right uid etc.
2028                      This might fail on e.g. a FAT dir */
2029                   tried_create = TRUE;
2030                   goto retry;
2031                 }
2032               else
2033                 {
2034                   g_free (trashdir);
2035                   trashdir = NULL;
2036                 }
2037             }
2038         }
2039
2040       if (trashdir == NULL)
2041         {
2042           g_free (topdir);
2043           g_set_error_literal (error, G_IO_ERROR,
2044                                G_IO_ERROR_NOT_SUPPORTED,
2045                                _("Unable to find or create trash directory"));
2046           return FALSE;
2047         }
2048     }
2049
2050   /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
2051
2052   infodir = g_build_filename (trashdir, "info", NULL);
2053   filesdir = g_build_filename (trashdir, "files", NULL);
2054   g_free (trashdir);
2055
2056   /* Make sure we have the subdirectories */
2057   if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
2058       (g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
2059     {
2060       g_free (topdir);
2061       g_free (infodir);
2062       g_free (filesdir);
2063       g_set_error_literal (error, G_IO_ERROR,
2064                            G_IO_ERROR_NOT_SUPPORTED,
2065                            _("Unable to find or create trash directory"));
2066       return FALSE;
2067     }
2068
2069   basename = g_path_get_basename (local->filename);
2070   i = 1;
2071   trashname = NULL;
2072   infofile = NULL;
2073   do {
2074     g_free (trashname);
2075     g_free (infofile);
2076
2077     trashname = get_unique_filename (basename, i++);
2078     infoname = g_strconcat (trashname, ".trashinfo", NULL);
2079     infofile = g_build_filename (infodir, infoname, NULL);
2080     g_free (infoname);
2081
2082     fd = g_open (infofile, O_CREAT | O_EXCL, 0666);
2083   } while (fd == -1 && errno == EEXIST);
2084
2085   g_free (basename);
2086   g_free (infodir);
2087
2088   if (fd == -1)
2089     {
2090       int errsv = errno;
2091
2092       g_free (filesdir);
2093       g_free (topdir);
2094       g_free (trashname);
2095       g_free (infofile);
2096
2097       g_set_error (error, G_IO_ERROR,
2098                    g_io_error_from_errno (errsv),
2099                    _("Unable to create trashing info file: %s"),
2100                    g_strerror (errsv));
2101       return FALSE;
2102     }
2103
2104   (void) g_close (fd, NULL);
2105
2106   /* Write the full content of the info file before trashing to make
2107    * sure someone doesn't read an empty file.  See #749314
2108    */
2109
2110   /* Use absolute names for homedir */
2111   if (is_homedir_trash)
2112     original_name = g_strdup (local->filename);
2113   else
2114     original_name = try_make_relative (local->filename, topdir);
2115   original_name_escaped = g_uri_escape_string (original_name, "/", FALSE);
2116
2117   g_free (original_name);
2118   g_free (topdir);
2119
2120   {
2121     time_t t;
2122     struct tm now;
2123     t = time (NULL);
2124     localtime_r (&t, &now);
2125     delete_time[0] = 0;
2126     strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
2127   }
2128
2129   data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
2130                           original_name_escaped, delete_time);
2131
2132   g_file_set_contents (infofile, data, -1, NULL);
2133
2134   /* TODO: Maybe we should verify that you can delete the file from the trash
2135      before moving it? OTOH, that is hard, as it needs a recursive scan */
2136
2137   trashfile = g_build_filename (filesdir, trashname, NULL);
2138
2139   g_free (filesdir);
2140
2141   if (g_rename (local->filename, trashfile) == -1)
2142     {
2143       int errsv = errno;
2144
2145       g_unlink (infofile);
2146
2147       g_free (trashname);
2148       g_free (infofile);
2149       g_free (trashfile);
2150
2151       if (errsv == EXDEV)
2152         /* The trash dir was actually on another fs anyway!?
2153            This can happen when the same device is mounted multiple
2154            times, or with bind mounts of the same fs. */
2155         g_set_error (error, G_IO_ERROR,
2156                      G_IO_ERROR_NOT_SUPPORTED,
2157                      _("Unable to trash file: %s"),
2158                      g_strerror (errsv));
2159       else
2160         g_set_error (error, G_IO_ERROR,
2161                      g_io_error_from_errno (errsv),
2162                      _("Unable to trash file: %s"),
2163                      g_strerror (errsv));
2164       return FALSE;
2165     }
2166
2167   vfs = g_vfs_get_default ();
2168   class = G_VFS_GET_CLASS (vfs);
2169   if (class->local_file_moved)
2170     class->local_file_moved (vfs, local->filename, trashfile);
2171
2172   g_free (trashfile);
2173
2174   /* TODO: Do we need to update mtime/atime here after the move? */
2175
2176   g_free (infofile);
2177   g_free (data);
2178
2179   g_free (original_name_escaped);
2180   g_free (trashname);
2181
2182   return TRUE;
2183 }
2184 #else /* G_OS_WIN32 */
2185 gboolean
2186 _g_local_file_has_trash_dir (const char *dirname, dev_t dir_dev)
2187 {
2188   return FALSE;                 /* XXX ??? */
2189 }
2190
2191 static gboolean
2192 g_local_file_trash (GFile         *file,
2193                     GCancellable  *cancellable,
2194                     GError       **error)
2195 {
2196   GLocalFile *local = G_LOCAL_FILE (file);
2197   SHFILEOPSTRUCTW op = {0};
2198   gboolean success;
2199   wchar_t *wfilename;
2200   long len;
2201
2202   wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
2203   /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
2204   wfilename = g_renew (wchar_t, wfilename, len + 2);
2205   wfilename[len + 1] = 0;
2206
2207   op.wFunc = FO_DELETE;
2208   op.pFrom = wfilename;
2209   op.fFlags = FOF_ALLOWUNDO;
2210
2211   success = SHFileOperationW (&op) == 0;
2212
2213   if (success && op.fAnyOperationsAborted)
2214     {
2215       if (cancellable && !g_cancellable_is_cancelled (cancellable))
2216         g_cancellable_cancel (cancellable);
2217       g_set_error (error, G_IO_ERROR,
2218                    G_IO_ERROR_CANCELLED,
2219                    _("Unable to trash file: %s"),
2220                    _("Operation was cancelled"));
2221       success = FALSE;
2222     }
2223   else if (!success)
2224     g_set_error (error, G_IO_ERROR,
2225                  G_IO_ERROR_FAILED,
2226                  _("Unable to trash file: %s"),
2227                  _("internal error"));
2228
2229   g_free (wfilename);
2230   return success;
2231 }
2232 #endif /* G_OS_WIN32 */
2233
2234 static gboolean
2235 g_local_file_make_directory (GFile         *file,
2236                              GCancellable  *cancellable,
2237                              GError       **error)
2238 {
2239   GLocalFile *local = G_LOCAL_FILE (file);
2240
2241   if (g_mkdir (local->filename, 0777) == -1)
2242     {
2243       int errsv = errno;
2244
2245       if (errsv == EINVAL)
2246         /* This must be an invalid filename, on e.g. FAT */
2247         g_set_error_literal (error, G_IO_ERROR,
2248                              G_IO_ERROR_INVALID_FILENAME,
2249                              _("Invalid filename"));
2250       else
2251         g_set_error (error, G_IO_ERROR,
2252                      g_io_error_from_errno (errsv),
2253                      _("Error creating directory: %s"),
2254                      g_strerror (errsv));
2255       return FALSE;
2256     }
2257
2258   return TRUE;
2259 }
2260
2261 static gboolean
2262 g_local_file_make_symbolic_link (GFile         *file,
2263                                  const char    *symlink_value,
2264                                  GCancellable  *cancellable,
2265                                  GError       **error)
2266 {
2267 #ifdef HAVE_SYMLINK
2268   GLocalFile *local = G_LOCAL_FILE (file);
2269
2270   if (symlink (symlink_value, local->filename) == -1)
2271     {
2272       int errsv = errno;
2273
2274       if (errsv == EINVAL)
2275         /* This must be an invalid filename, on e.g. FAT */
2276         g_set_error_literal (error, G_IO_ERROR,
2277                              G_IO_ERROR_INVALID_FILENAME,
2278                              _("Invalid filename"));
2279       else if (errsv == EPERM)
2280         g_set_error (error, G_IO_ERROR,
2281                      G_IO_ERROR_NOT_SUPPORTED,
2282                      _("Filesystem does not support symbolic links"));
2283       else
2284         g_set_error (error, G_IO_ERROR,
2285                      g_io_error_from_errno (errsv),
2286                      _("Error making symbolic link: %s"),
2287                      g_strerror (errsv));
2288       return FALSE;
2289     }
2290   return TRUE;
2291 #else
2292   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Symlinks not supported");
2293   return FALSE;
2294 #endif
2295 }
2296
2297
2298 static gboolean
2299 g_local_file_copy (GFile                  *source,
2300                    GFile                  *destination,
2301                    GFileCopyFlags          flags,
2302                    GCancellable           *cancellable,
2303                    GFileProgressCallback   progress_callback,
2304                    gpointer                progress_callback_data,
2305                    GError                **error)
2306 {
2307   /* Fall back to default copy */
2308   g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
2309   return FALSE;
2310 }
2311
2312 static gboolean
2313 g_local_file_move (GFile                  *source,
2314                    GFile                  *destination,
2315                    GFileCopyFlags          flags,
2316                    GCancellable           *cancellable,
2317                    GFileProgressCallback   progress_callback,
2318                    gpointer                progress_callback_data,
2319                    GError                **error)
2320 {
2321   GLocalFile *local_source, *local_destination;
2322   GStatBuf statbuf;
2323   gboolean destination_exist, source_is_dir;
2324   char *backup_name;
2325   int res;
2326   off_t source_size;
2327   GVfsClass *class;
2328   GVfs *vfs;
2329
2330   if (!G_IS_LOCAL_FILE (source) ||
2331       !G_IS_LOCAL_FILE (destination))
2332     {
2333       /* Fall back to default move */
2334       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
2335       return FALSE;
2336     }
2337
2338   local_source = G_LOCAL_FILE (source);
2339   local_destination = G_LOCAL_FILE (destination);
2340
2341   res = g_lstat (local_source->filename, &statbuf);
2342   if (res == -1)
2343     {
2344       int errsv = errno;
2345
2346       g_set_error (error, G_IO_ERROR,
2347                    g_io_error_from_errno (errsv),
2348                    _("Error moving file: %s"),
2349                    g_strerror (errsv));
2350       return FALSE;
2351     }
2352
2353   source_is_dir = S_ISDIR (statbuf.st_mode);
2354   source_size = statbuf.st_size;
2355
2356   destination_exist = FALSE;
2357   res = g_lstat (local_destination->filename, &statbuf);
2358   if (res == 0)
2359     {
2360       destination_exist = TRUE; /* Target file exists */
2361
2362       if (flags & G_FILE_COPY_OVERWRITE)
2363         {
2364           /* Always fail on dirs, even with overwrite */
2365           if (S_ISDIR (statbuf.st_mode))
2366             {
2367               if (source_is_dir)
2368                 g_set_error_literal (error,
2369                                      G_IO_ERROR,
2370                                      G_IO_ERROR_WOULD_MERGE,
2371                                      _("Can't move directory over directory"));
2372               else
2373                 g_set_error_literal (error,
2374                                      G_IO_ERROR,
2375                                      G_IO_ERROR_IS_DIRECTORY,
2376                                      _("Can't copy over directory"));
2377               return FALSE;
2378             }
2379         }
2380       else
2381         {
2382           g_set_error_literal (error,
2383                                G_IO_ERROR,
2384                                G_IO_ERROR_EXISTS,
2385                                _("Target file exists"));
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_error (error, G_IO_ERROR,
2441                      g_io_error_from_errno (errsv),
2442                      _("Error moving file: %s"),
2443                      g_strerror (errsv));
2444       return FALSE;
2445     }
2446
2447   vfs = g_vfs_get_default ();
2448   class = G_VFS_GET_CLASS (vfs);
2449   if (class->local_file_moved)
2450     class->local_file_moved (vfs, local_source->filename, local_destination->filename);
2451
2452   /* Make sure we send full copied size */
2453   if (progress_callback)
2454     progress_callback (source_size, source_size, progress_callback_data);
2455
2456   return TRUE;
2457 }
2458
2459 #ifdef G_OS_WIN32
2460
2461 gboolean
2462 g_local_file_is_remote (const gchar *filename)
2463 {
2464   return FALSE;
2465 }
2466
2467 #else
2468
2469 static gboolean
2470 is_remote_fs (const gchar *filename)
2471 {
2472   const char *fsname = NULL;
2473
2474 #ifdef USE_STATFS
2475   struct statfs statfs_buffer;
2476   int statfs_result = 0;
2477
2478 #if STATFS_ARGS == 2
2479   statfs_result = statfs (filename, &statfs_buffer);
2480 #elif STATFS_ARGS == 4
2481   statfs_result = statfs (filename, &statfs_buffer, sizeof (statfs_buffer), 0);
2482 #endif
2483
2484 #elif defined(USE_STATVFS)
2485   struct statvfs statfs_buffer;
2486   int statfs_result = 0;
2487
2488   statfs_result = statvfs (filename, &statfs_buffer);
2489 #else
2490   return FALSE;
2491 #endif
2492
2493   if (statfs_result == -1)
2494     return FALSE;
2495
2496 #ifdef USE_STATFS
2497 #if defined(HAVE_STRUCT_STATFS_F_FSTYPENAME)
2498   fsname = statfs_buffer.f_fstypename;
2499 #else
2500   fsname = get_fs_type (statfs_buffer.f_type);
2501 #endif
2502
2503 #elif defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_BASETYPE)
2504   fsname = statfs_buffer.f_basetype;
2505 #endif
2506
2507   if (fsname != NULL)
2508     {
2509       if (strcmp (fsname, "nfs") == 0)
2510         return TRUE;
2511       if (strcmp (fsname, "nfs4") == 0)
2512         return TRUE;
2513     }
2514
2515   return FALSE;
2516 }
2517
2518 gboolean
2519 g_local_file_is_remote (const gchar *filename)
2520 {
2521   static gboolean remote_home;
2522   static gsize initialized;
2523   const gchar *home;
2524
2525   home = g_get_home_dir ();
2526   if (path_has_prefix (filename, home))
2527     {
2528       if (g_once_init_enter (&initialized))
2529         {
2530           remote_home = is_remote_fs (home);
2531           g_once_init_leave (&initialized, TRUE);
2532         }
2533       return remote_home;
2534     }
2535
2536   return FALSE;
2537 }
2538 #endif /* !G_OS_WIN32 */
2539
2540 static GFileMonitor*
2541 g_local_file_monitor_dir (GFile             *file,
2542                           GFileMonitorFlags  flags,
2543                           GCancellable      *cancellable,
2544                           GError           **error)
2545 {
2546   GLocalFile *local_file = G_LOCAL_FILE (file);
2547
2548   return g_local_file_monitor_new_for_path (local_file->filename, TRUE, flags, error);
2549 }
2550
2551 static GFileMonitor*
2552 g_local_file_monitor_file (GFile             *file,
2553                            GFileMonitorFlags  flags,
2554                            GCancellable      *cancellable,
2555                            GError           **error)
2556 {
2557   GLocalFile *local_file = G_LOCAL_FILE (file);
2558
2559   return g_local_file_monitor_new_for_path (local_file->filename, FALSE, flags, error);
2560 }
2561
2562 /* Here is the GLocalFile implementation of g_file_measure_disk_usage().
2563  *
2564  * If available, we use fopenat() in preference to filenames for
2565  * efficiency and safety reasons.  We know that fopenat() is available
2566  * based on if AT_FDCWD is defined.  POSIX guarantees that this will be
2567  * defined as a macro.
2568  *
2569  * We use a linked list of stack-allocated GSList nodes in order to be
2570  * able to reconstruct the filename for error messages.  We actually
2571  * pass the filename to operate on through the top node of the list.
2572  *
2573  * In case we're using openat(), this top filename will be a basename
2574  * which should be opened in the directory which has also had its fd
2575  * passed along.  If we're not using openat() then it will be a full
2576  * absolute filename.
2577  */
2578
2579 static gboolean
2580 g_local_file_measure_size_error (GFileMeasureFlags   flags,
2581                                  gint                saved_errno,
2582                                  GSList             *name,
2583                                  GError            **error)
2584 {
2585   /* Only report an error if we were at the toplevel or if the caller
2586    * requested reporting of all errors.
2587    */
2588   if ((name->next == NULL) || (flags & G_FILE_MEASURE_REPORT_ANY_ERROR))
2589     {
2590       GString *filename;
2591       GSList *node;
2592
2593       /* Skip some work if there is no error return */
2594       if (!error)
2595         return FALSE;
2596
2597 #ifdef AT_FDCWD
2598       /* If using openat() we need to rebuild the filename for the message */
2599       filename = g_string_new (name->data);
2600       for (node = name->next; node; node = node->next)
2601         {
2602           gchar *utf8;
2603
2604           g_string_prepend_c (filename, G_DIR_SEPARATOR);
2605           utf8 = g_filename_display_name (node->data);
2606           g_string_prepend (filename, utf8);
2607           g_free (utf8);
2608         }
2609 #else
2610       {
2611         gchar *utf8;
2612
2613         /* Otherwise, we already have it, so just use it. */
2614         node = name;
2615         filename = g_string_new (NULL);
2616         utf8 = g_filename_display_name (node->data);
2617         g_string_append (filename, utf8);
2618         g_free (utf8);
2619       }
2620 #endif
2621
2622       g_set_error (error, G_IO_ERROR, g_io_error_from_errno (saved_errno),
2623                    _("Could not determine the disk usage of %s: %s"),
2624                    filename->str, g_strerror (saved_errno));
2625
2626       g_string_free (filename, TRUE);
2627
2628       return FALSE;
2629     }
2630
2631   else
2632     /* We're not reporting this error... */
2633     return TRUE;
2634 }
2635
2636 typedef struct
2637 {
2638   GFileMeasureFlags  flags;
2639   dev_t              contained_on;
2640   GCancellable      *cancellable;
2641
2642   GFileMeasureProgressCallback progress_callback;
2643   gpointer                     progress_data;
2644
2645   guint64 disk_usage;
2646   guint64 num_dirs;
2647   guint64 num_files;
2648
2649   guint64 last_progress_report;
2650 } MeasureState;
2651
2652 static gboolean
2653 g_local_file_measure_size_of_contents (gint           fd,
2654                                        GSList        *dir_name,
2655                                        MeasureState  *state,
2656                                        GError       **error);
2657
2658 static gboolean
2659 g_local_file_measure_size_of_file (gint           parent_fd,
2660                                    GSList        *name,
2661                                    MeasureState  *state,
2662                                    GError       **error)
2663 {
2664   GLocalFileStat buf;
2665
2666   if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2667     return FALSE;
2668
2669 #if defined (AT_FDCWD)
2670   if (fstatat (parent_fd, name->data, &buf, AT_SYMLINK_NOFOLLOW) != 0)
2671     return g_local_file_measure_size_error (state->flags, errno, name, error);
2672 #elif defined (HAVE_LSTAT) || !defined (G_OS_WIN32)
2673   if (g_lstat (name->data, &buf) != 0)
2674     return g_local_file_measure_size_error (state->flags, errno, name, error);
2675 #else
2676   {
2677     const char *filename = (const gchar *) name->data;
2678     wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
2679     int retval;
2680     int save_errno;
2681     int len;
2682
2683     if (wfilename == NULL)
2684       return g_local_file_measure_size_error (state->flags, errno, name, error);
2685
2686     len = wcslen (wfilename);
2687     while (len > 0 && G_IS_DIR_SEPARATOR (wfilename[len-1]))
2688       len--;
2689     if (len > 0 &&
2690         (!g_path_is_absolute (filename) || len > g_path_skip_root (filename) - filename))
2691       wfilename[len] = '\0';
2692
2693     retval = _wstati64 (wfilename, &buf);
2694     save_errno = errno;
2695
2696     g_free (wfilename);
2697
2698     errno = save_errno;
2699     if (retval != 0)
2700       return g_local_file_measure_size_error (state->flags, errno, name, error);
2701   }
2702 #endif
2703
2704   if (name->next)
2705     {
2706       /* If not at the toplevel, check for a device boundary. */
2707
2708       if (state->flags & G_FILE_MEASURE_NO_XDEV)
2709         if (state->contained_on != buf.st_dev)
2710           return TRUE;
2711     }
2712   else
2713     {
2714       /* If, however, this is the toplevel, set the device number so
2715        * that recursive invocations can compare against it.
2716        */
2717       state->contained_on = buf.st_dev;
2718     }
2719
2720 #if defined (HAVE_STRUCT_STAT_ST_BLOCKS)
2721   if (~state->flags & G_FILE_MEASURE_APPARENT_SIZE)
2722     state->disk_usage += buf.st_blocks * G_GUINT64_CONSTANT (512);
2723   else
2724 #endif
2725     state->disk_usage += buf.st_size;
2726
2727   if (S_ISDIR (buf.st_mode))
2728     state->num_dirs++;
2729   else
2730     state->num_files++;
2731
2732   if (state->progress_callback)
2733     {
2734       /* We could attempt to do some cleverness here in order to avoid
2735        * calling clock_gettime() so much, but we're doing stats and opens
2736        * all over the place already...
2737        */
2738       if (state->last_progress_report)
2739         {
2740           guint64 now;
2741
2742           now = g_get_monotonic_time ();
2743
2744           if (state->last_progress_report + 200 * G_TIME_SPAN_MILLISECOND < now)
2745             {
2746               (* state->progress_callback) (TRUE,
2747                                             state->disk_usage, state->num_dirs, state->num_files,
2748                                             state->progress_data);
2749               state->last_progress_report = now;
2750             }
2751         }
2752       else
2753         {
2754           /* We must do an initial report to inform that more reports
2755            * will be coming.
2756            */
2757           (* state->progress_callback) (TRUE, 0, 0, 0, state->progress_data);
2758           state->last_progress_report = g_get_monotonic_time ();
2759         }
2760     }
2761
2762   if (S_ISDIR (buf.st_mode))
2763     {
2764       int dir_fd = -1;
2765
2766       if (g_cancellable_set_error_if_cancelled (state->cancellable, error))
2767         return FALSE;
2768
2769 #ifdef AT_FDCWD
2770 #ifdef HAVE_OPEN_O_DIRECTORY
2771       dir_fd = openat (parent_fd, name->data, O_RDONLY|O_DIRECTORY);
2772 #else
2773       dir_fd = openat (parent_fd, name->data, O_RDONLY);
2774 #endif
2775       if (dir_fd < 0)
2776         return g_local_file_measure_size_error (state->flags, errno, name, error);
2777 #endif
2778
2779       if (!g_local_file_measure_size_of_contents (dir_fd, name, state, error))
2780         return FALSE;
2781     }
2782
2783   return TRUE;
2784 }
2785
2786 static gboolean
2787 g_local_file_measure_size_of_contents (gint           fd,
2788                                        GSList        *dir_name,
2789                                        MeasureState  *state,
2790                                        GError       **error)
2791 {
2792   gboolean success = TRUE;
2793   const gchar *name;
2794   GDir *dir;
2795
2796 #ifdef AT_FDCWD
2797   {
2798     /* If this fails, we want to preserve the errno from fopendir() */
2799     DIR *dirp;
2800     dirp = fdopendir (fd);
2801     dir = dirp ? GLIB_PRIVATE_CALL(g_dir_new_from_dirp) (dirp) : NULL;
2802   }
2803 #else
2804   dir = GLIB_PRIVATE_CALL(g_dir_open_with_errno) (dir_name->data, 0);
2805 #endif
2806
2807   if (dir == NULL)
2808     {
2809       gint saved_errno = errno;
2810
2811 #ifdef AT_FDCWD
2812       close (fd);
2813 #endif
2814
2815       return g_local_file_measure_size_error (state->flags, saved_errno, dir_name, error);
2816     }
2817
2818   while (success && (name = g_dir_read_name (dir)))
2819     {
2820       GSList node;
2821
2822       node.next = dir_name;
2823 #ifdef AT_FDCWD
2824       node.data = (gchar *) name;
2825 #else
2826       node.data = g_build_filename (dir_name->data, name, NULL);
2827 #endif
2828
2829       success = g_local_file_measure_size_of_file (fd, &node, state, error);
2830
2831 #ifndef AT_FDCWD
2832       g_free (node.data);
2833 #endif
2834     }
2835
2836   g_dir_close (dir);
2837
2838   return success;
2839 }
2840
2841 static gboolean
2842 g_local_file_measure_disk_usage (GFile                         *file,
2843                                  GFileMeasureFlags              flags,
2844                                  GCancellable                  *cancellable,
2845                                  GFileMeasureProgressCallback   progress_callback,
2846                                  gpointer                       progress_data,
2847                                  guint64                       *disk_usage,
2848                                  guint64                       *num_dirs,
2849                                  guint64                       *num_files,
2850                                  GError                       **error)
2851 {
2852   GLocalFile *local_file = G_LOCAL_FILE (file);
2853   MeasureState state = { 0, };
2854   gint root_fd = -1;
2855   GSList node;
2856
2857   state.flags = flags;
2858   state.cancellable = cancellable;
2859   state.progress_callback = progress_callback;
2860   state.progress_data = progress_data;
2861
2862 #ifdef AT_FDCWD
2863   root_fd = AT_FDCWD;
2864 #endif
2865
2866   node.data = local_file->filename;
2867   node.next = NULL;
2868
2869   if (!g_local_file_measure_size_of_file (root_fd, &node, &state, error))
2870     return FALSE;
2871
2872   if (disk_usage)
2873     *disk_usage = state.disk_usage;
2874
2875   if (num_dirs)
2876     *num_dirs = state.num_dirs;
2877
2878   if (num_files)
2879     *num_files = state.num_files;
2880
2881   return TRUE;
2882 }
2883
2884 static void
2885 g_local_file_file_iface_init (GFileIface *iface)
2886 {
2887   iface->dup = g_local_file_dup;
2888   iface->hash = g_local_file_hash;
2889   iface->equal = g_local_file_equal;
2890   iface->is_native = g_local_file_is_native;
2891   iface->has_uri_scheme = g_local_file_has_uri_scheme;
2892   iface->get_uri_scheme = g_local_file_get_uri_scheme;
2893   iface->get_basename = g_local_file_get_basename;
2894   iface->get_path = g_local_file_get_path;
2895   iface->get_uri = g_local_file_get_uri;
2896   iface->get_parse_name = g_local_file_get_parse_name;
2897   iface->get_parent = g_local_file_get_parent;
2898   iface->prefix_matches = g_local_file_prefix_matches;
2899   iface->get_relative_path = g_local_file_get_relative_path;
2900   iface->resolve_relative_path = g_local_file_resolve_relative_path;
2901   iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2902   iface->set_display_name = g_local_file_set_display_name;
2903   iface->enumerate_children = g_local_file_enumerate_children;
2904   iface->query_info = g_local_file_query_info;
2905   iface->query_filesystem_info = g_local_file_query_filesystem_info;
2906   iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2907   iface->query_settable_attributes = g_local_file_query_settable_attributes;
2908   iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2909   iface->set_attribute = g_local_file_set_attribute;
2910   iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2911   iface->read_fn = g_local_file_read;
2912   iface->append_to = g_local_file_append_to;
2913   iface->create = g_local_file_create;
2914   iface->replace = g_local_file_replace;
2915   iface->open_readwrite = g_local_file_open_readwrite;
2916   iface->create_readwrite = g_local_file_create_readwrite;
2917   iface->replace_readwrite = g_local_file_replace_readwrite;
2918   iface->delete_file = g_local_file_delete;
2919   iface->trash = g_local_file_trash;
2920   iface->make_directory = g_local_file_make_directory;
2921   iface->make_symbolic_link = g_local_file_make_symbolic_link;
2922   iface->copy = g_local_file_copy;
2923   iface->move = g_local_file_move;
2924   iface->monitor_dir = g_local_file_monitor_dir;
2925   iface->monitor_file = g_local_file_monitor_file;
2926   iface->measure_disk_usage = g_local_file_measure_disk_usage;
2927
2928   iface->supports_thread_contexts = TRUE;
2929 }