1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
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.
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.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Alexander Larsson <alexl@redhat.com>
25 #include <sys/types.h>
35 #include <sys/statfs.h>
37 #if HAVE_SYS_STATVFS_H
38 #include <sys/statvfs.h>
42 #elif HAVE_SYS_MOUNT_H
44 #include <sys/param.h>
46 #include <sys/mount.h>
53 #if defined(HAVE_STATFS) && defined(HAVE_STATVFS)
54 /* Some systems have both statfs and statvfs, pick the
55 most "native" for these */
56 # if defined(sun) && defined(__SVR4)
57 /* on solaris, statfs doesn't even have the
61 /* at least on linux, statfs is the actual syscall */
65 #elif defined(HAVE_STATFS)
69 #elif defined(HAVE_STATVFS)
75 #include "glocalfile.h"
76 #include "glocalfileinfo.h"
77 #include "glocalfileenumerator.h"
78 #include "glocalfileinputstream.h"
79 #include "glocalfileoutputstream.h"
80 #include "glocaldirectorymonitor.h"
81 #include "glocalfilemonitor.h"
82 #include "gmountprivate.h"
83 #include <glib/gstdio.h>
87 #define _WIN32_WINNT 0x0500
93 #define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
96 #define S_ISLNK(m) (0)
100 #include "gioalias.h"
102 static void g_local_file_file_iface_init (GFileIface *iface);
104 static GFileAttributeInfoList *local_writable_attributes = NULL;
105 static GFileAttributeInfoList *local_writable_namespaces = NULL;
109 GObject parent_instance;
114 #define g_local_file_get_type _g_local_file_get_type
115 G_DEFINE_TYPE_WITH_CODE (GLocalFile, g_local_file, G_TYPE_OBJECT,
116 G_IMPLEMENT_INTERFACE (G_TYPE_FILE,
117 g_local_file_file_iface_init))
119 static char *find_mountpoint_for (const char *file, dev_t dev);
122 g_local_file_finalize (GObject *object)
126 local = G_LOCAL_FILE (object);
128 g_free (local->filename);
130 if (G_OBJECT_CLASS (g_local_file_parent_class)->finalize)
131 (*G_OBJECT_CLASS (g_local_file_parent_class)->finalize) (object);
135 g_local_file_class_init (GLocalFileClass *klass)
137 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
138 GFileAttributeInfoList *list;
140 gobject_class->finalize = g_local_file_finalize;
142 /* Set up attribute lists */
144 /* Writable attributes: */
146 list = g_file_attribute_info_list_new ();
148 g_file_attribute_info_list_add (list,
149 G_FILE_ATTRIBUTE_UNIX_MODE,
150 G_FILE_ATTRIBUTE_TYPE_UINT32,
151 G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
152 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
155 g_file_attribute_info_list_add (list,
156 G_FILE_ATTRIBUTE_UNIX_UID,
157 G_FILE_ATTRIBUTE_TYPE_UINT32,
158 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
159 g_file_attribute_info_list_add (list,
160 G_FILE_ATTRIBUTE_UNIX_GID,
161 G_FILE_ATTRIBUTE_TYPE_UINT32,
162 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
166 g_file_attribute_info_list_add (list,
167 G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
168 G_FILE_ATTRIBUTE_TYPE_BYTE_STRING,
173 g_file_attribute_info_list_add (list,
174 G_FILE_ATTRIBUTE_TIME_MODIFIED,
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_MODIFIED_USEC,
179 G_FILE_ATTRIBUTE_TYPE_UINT32,
180 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
181 g_file_attribute_info_list_add (list,
182 G_FILE_ATTRIBUTE_TIME_ACCESS,
183 G_FILE_ATTRIBUTE_TYPE_UINT64,
184 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
185 g_file_attribute_info_list_add (list,
186 G_FILE_ATTRIBUTE_TIME_ACCESS_USEC,
187 G_FILE_ATTRIBUTE_TYPE_UINT32,
188 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
191 local_writable_attributes = list;
193 /* Writable namespaces: */
195 list = g_file_attribute_info_list_new ();
198 g_file_attribute_info_list_add (list,
200 G_FILE_ATTRIBUTE_TYPE_STRING,
201 G_FILE_ATTRIBUTE_INFO_COPY_WITH_FILE |
202 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
203 g_file_attribute_info_list_add (list,
205 G_FILE_ATTRIBUTE_TYPE_STRING,
206 G_FILE_ATTRIBUTE_INFO_COPY_WHEN_MOVED);
209 local_writable_namespaces = list;
213 g_local_file_init (GLocalFile *local)
219 canonicalize_filename (const char *filename)
221 char *canon, *start, *p, *q;
225 if (!g_path_is_absolute (filename))
227 cwd = g_get_current_dir ();
228 canon = g_build_filename (cwd, filename, NULL);
232 canon = g_strdup (filename);
234 start = (char *)g_path_skip_root (canon);
236 /* POSIX allows double slashes at the start to
237 * mean something special (as does windows too).
238 * So, "//" != "/", but more than two slashes
244 G_IS_DIR_SEPARATOR (*p);
251 memmove (start, start+i, strlen (start+i)+1);
257 if (p[0] == '.' && (p[1] == 0 || G_IS_DIR_SEPARATOR (p[1])))
259 memmove (p, p+1, strlen (p+1)+1);
261 else if (p[0] == '.' && p[1] == '.' && (p[2] == 0 || G_IS_DIR_SEPARATOR (p[2])))
264 /* Skip previous separator */
268 while (p > start && !G_IS_DIR_SEPARATOR (*p))
270 if (G_IS_DIR_SEPARATOR (*p))
271 *p++ = G_DIR_SEPARATOR;
272 memmove (p, q, strlen (q)+1);
276 /* Skip until next separator */
277 while (*p != 0 && !G_IS_DIR_SEPARATOR (*p))
282 /* Canonicalize one separator */
283 *p++ = G_DIR_SEPARATOR;
287 /* Remove additional separators */
289 while (*q && G_IS_DIR_SEPARATOR (*q))
293 memmove (p, q, strlen (q)+1);
296 /* Remove trailing slashes */
297 if (p > start && G_IS_DIR_SEPARATOR (*(p-1)))
305 * @filename: filename of the file to create.
307 * Returns: new local #GFile.
310 _g_local_file_new (const char *filename)
314 local = g_object_new (G_TYPE_LOCAL_FILE, NULL);
315 local->filename = canonicalize_filename (filename);
317 return G_FILE (local);
321 g_local_file_is_native (GFile *file)
327 g_local_file_has_uri_scheme (GFile *file,
328 const char *uri_scheme)
330 return g_ascii_strcasecmp (uri_scheme, "file") == 0;
334 g_local_file_get_uri_scheme (GFile *file)
336 return g_strdup ("file");
340 g_local_file_get_basename (GFile *file)
342 return g_path_get_basename (G_LOCAL_FILE (file)->filename);
346 g_local_file_get_path (GFile *file)
348 return g_strdup (G_LOCAL_FILE (file)->filename);
352 g_local_file_get_uri (GFile *file)
354 return g_filename_to_uri (G_LOCAL_FILE (file)->filename, NULL, NULL);
358 get_filename_charset (const gchar **filename_charset)
360 const gchar **charsets;
363 is_utf8 = g_get_filename_charsets (&charsets);
365 if (filename_charset)
366 *filename_charset = charsets[0];
372 name_is_valid_for_display (const char *string,
373 gboolean is_valid_utf8)
377 if (!is_valid_utf8 &&
378 !g_utf8_validate (string, -1, NULL))
381 while ((c = *string++) != 0)
383 if (g_ascii_iscntrl (c))
391 g_local_file_get_parse_name (GFile *file)
393 const char *filename;
395 const gchar *charset;
397 char *roundtripped_filename;
398 gboolean free_utf8_filename;
399 gboolean is_valid_utf8;
402 filename = G_LOCAL_FILE (file)->filename;
403 if (get_filename_charset (&charset))
405 utf8_filename = (char *)filename;
406 free_utf8_filename = FALSE;
407 is_valid_utf8 = FALSE; /* Can't guarantee this */
411 utf8_filename = g_convert (filename, -1,
412 "UTF-8", charset, NULL, NULL, NULL);
413 free_utf8_filename = TRUE;
414 is_valid_utf8 = TRUE;
416 if (utf8_filename != NULL)
418 /* Make sure we can roundtrip: */
419 roundtripped_filename = g_convert (utf8_filename, -1,
420 charset, "UTF-8", NULL, NULL, NULL);
422 if (roundtripped_filename == NULL ||
423 strcmp (utf8_filename, roundtripped_filename) != 0)
425 g_free (utf8_filename);
426 utf8_filename = NULL;
431 if (utf8_filename != NULL &&
432 name_is_valid_for_display (utf8_filename, is_valid_utf8))
434 if (free_utf8_filename)
435 parse_name = utf8_filename;
437 parse_name = g_strdup (utf8_filename);
441 escaped_path = g_uri_escape_string (filename,
442 G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT "/",
444 parse_name = g_strconcat ("file://",
445 (*escaped_path != '/') ? "/" : "",
449 g_free (escaped_path);
451 if (free_utf8_filename)
452 g_free (utf8_filename);
459 g_local_file_get_parent (GFile *file)
461 GLocalFile *local = G_LOCAL_FILE (file);
462 const char *non_root;
467 non_root = g_path_skip_root (local->filename);
471 dirname = g_path_get_dirname (local->filename);
472 parent = _g_local_file_new (dirname);
478 g_local_file_dup (GFile *file)
480 GLocalFile *local = G_LOCAL_FILE (file);
482 return _g_local_file_new (local->filename);
486 g_local_file_hash (GFile *file)
488 GLocalFile *local = G_LOCAL_FILE (file);
490 return g_str_hash (local->filename);
494 g_local_file_equal (GFile *file1,
497 GLocalFile *local1 = G_LOCAL_FILE (file1);
498 GLocalFile *local2 = G_LOCAL_FILE (file2);
500 return g_str_equal (local1->filename, local2->filename);
504 match_prefix (const char *path,
509 prefix_len = strlen (prefix);
510 if (strncmp (path, prefix, prefix_len) != 0)
513 /* Handle the case where prefix is the root, so that
514 * the IS_DIR_SEPRARATOR check below works */
515 if (prefix_len > 0 &&
516 G_IS_DIR_SEPARATOR (prefix[prefix_len-1]))
519 return path + prefix_len;
523 g_local_file_prefix_matches (GFile *parent,
526 GLocalFile *parent_local = G_LOCAL_FILE (parent);
527 GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
528 const char *remainder;
530 remainder = match_prefix (descendant_local->filename, parent_local->filename);
531 if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
537 g_local_file_get_relative_path (GFile *parent,
540 GLocalFile *parent_local = G_LOCAL_FILE (parent);
541 GLocalFile *descendant_local = G_LOCAL_FILE (descendant);
542 const char *remainder;
544 remainder = match_prefix (descendant_local->filename, parent_local->filename);
546 if (remainder != NULL && G_IS_DIR_SEPARATOR (*remainder))
547 return g_strdup (remainder + 1);
552 g_local_file_resolve_relative_path (GFile *file,
553 const char *relative_path)
555 GLocalFile *local = G_LOCAL_FILE (file);
559 if (g_path_is_absolute (relative_path))
560 return _g_local_file_new (relative_path);
562 filename = g_build_filename (local->filename, relative_path, NULL);
563 child = _g_local_file_new (filename);
569 static GFileEnumerator *
570 g_local_file_enumerate_children (GFile *file,
571 const char *attributes,
572 GFileQueryInfoFlags flags,
573 GCancellable *cancellable,
576 GLocalFile *local = G_LOCAL_FILE (file);
577 return _g_local_file_enumerator_new (local->filename,
583 g_local_file_get_child_for_display_name (GFile *file,
584 const char *display_name,
587 GFile *parent, *new_file;
590 basename = g_filename_from_utf8 (display_name, -1, NULL, NULL, NULL);
591 if (basename == NULL)
593 g_set_error (error, G_IO_ERROR,
594 G_IO_ERROR_INVALID_FILENAME,
595 _("Invalid filename %s"), display_name);
599 parent = g_file_get_parent (file);
600 new_file = g_file_get_child (file, basename);
601 g_object_unref (parent);
609 get_fs_type (long f_type)
612 /* filesystem ids taken from linux manpage */
709 G_LOCK_DEFINE_STATIC(mount_info_hash);
710 static GHashTable *mount_info_hash = NULL;
711 static guint64 mount_info_hash_cache_time = 0;
714 MOUNT_INFO_READONLY = 1<<0
718 device_equal (gconstpointer v1,
721 return *(dev_t *)v1 == *(dev_t *)v2;
725 device_hash (gconstpointer v)
727 return (guint) *(dev_t *)v;
731 get_mount_info (GFileInfo *fs_info,
733 GFileAttributeMatcher *matcher)
737 gpointer info_as_ptr;
741 GUnixMountEntry *mount;
744 if (g_lstat (path, &buf) != 0)
747 G_LOCK (mount_info_hash);
749 if (mount_info_hash == NULL)
750 mount_info_hash = g_hash_table_new_full (device_hash, device_equal,
754 if (g_unix_mounts_changed_since (mount_info_hash_cache_time))
755 g_hash_table_remove_all (mount_info_hash);
757 got_info = g_hash_table_lookup_extended (mount_info_hash,
762 G_UNLOCK (mount_info_hash);
764 mount_info = GPOINTER_TO_UINT (info_as_ptr);
770 mountpoint = find_mountpoint_for (path, buf.st_dev);
771 if (mountpoint == NULL)
774 mount = g_unix_mount_at (mountpoint, &cache_time);
777 if (g_unix_mount_is_readonly (mount))
778 mount_info |= MOUNT_INFO_READONLY;
780 g_unix_mount_free (mount);
783 dev = g_new0 (dev_t, 1);
786 G_LOCK (mount_info_hash);
787 mount_info_hash_cache_time = cache_time;
788 g_hash_table_insert (mount_info_hash, dev, GUINT_TO_POINTER (mount_info));
789 G_UNLOCK (mount_info_hash);
792 if (mount_info & MOUNT_INFO_READONLY)
793 g_file_info_set_attribute_boolean (fs_info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
801 is_xp_or_later (void)
803 static int result = -1;
807 OSVERSIONINFOEX ver_info = {0};
808 DWORDLONG cond_mask = 0;
809 int op = VER_GREATER_EQUAL;
811 ver_info.dwOSVersionInfoSize = sizeof ver_info;
812 ver_info.dwMajorVersion = 5;
813 ver_info.dwMinorVersion = 1;
815 VER_SET_CONDITION (cond_mask, VER_MAJORVERSION, op);
816 VER_SET_CONDITION (cond_mask, VER_MINORVERSION, op);
818 result = VerifyVersionInfo (&ver_info,
819 VER_MAJORVERSION | VER_MINORVERSION,
827 get_volume_for_path (const char *path)
833 wpath = g_utf8_to_utf16 (path, -1, NULL, &len, NULL);
834 result = g_new (wchar_t, len + 2);
836 if (!GetVolumePathNameW (wpath, result, len + 2))
838 char *msg = g_win32_error_message (GetLastError ());
839 g_critical ("GetVolumePathName failed: %s", msg);
846 len = wcslen (result);
847 if (len > 0 && result[len-1] != L'\\')
849 result = g_renew (wchar_t, result, len + 2);
859 find_mountpoint_for (const char *file, dev_t dev)
864 wpath = get_volume_for_path (file);
868 utf8_path = g_utf16_to_utf8 (wpath, -1, NULL, NULL, NULL);
875 get_filesystem_readonly (GFileInfo *info,
880 rootdir = get_volume_for_path (path);
884 if (is_xp_or_later ())
887 if (GetVolumeInformationW (rootdir, NULL, 0, NULL, NULL, &flags, NULL, 0))
888 g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY,
889 (flags & FILE_READ_ONLY_VOLUME) != 0);
893 if (GetDriveTypeW (rootdir) == DRIVE_CDROM)
894 g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
901 #endif /* G_OS_WIN32 */
904 g_local_file_query_filesystem_info (GFile *file,
905 const char *attributes,
906 GCancellable *cancellable,
909 GLocalFile *local = G_LOCAL_FILE (file);
916 struct statfs statfs_buffer;
918 #elif defined(USE_STATVFS)
919 struct statvfs statfs_buffer;
922 GFileAttributeMatcher *attribute_matcher;
929 statfs_result = statfs (local->filename, &statfs_buffer);
930 #elif STATFS_ARGS == 4
931 statfs_result = statfs (local->filename, &statfs_buffer,
932 sizeof (statfs_buffer), 0);
934 block_size = statfs_buffer.f_bsize;
936 #if defined(__linux__)
937 /* ncpfs does not know the amount of available and free space *
938 * assuming ncpfs is linux specific, if you are on a non-linux platform
939 * where ncpfs is available, please file a bug about it on bugzilla.gnome.org
941 if (statfs_buffer.f_bavail == 0 && statfs_buffer.f_bfree == 0 &&
942 /* linux/ncp_fs.h: NCP_SUPER_MAGIC == 0x564c */
943 statfs_buffer.f_type == 0x564c)
947 #elif defined(USE_STATVFS)
948 statfs_result = statvfs (local->filename, &statfs_buffer);
949 block_size = statfs_buffer.f_frsize;
952 if (statfs_result == -1)
956 g_set_error (error, G_IO_ERROR,
957 g_io_error_from_errno (errsv),
958 _("Error getting filesystem info: %s"),
963 info = g_file_info_new ();
965 attribute_matcher = g_file_attribute_matcher_new (attributes);
967 if (g_file_attribute_matcher_matches (attribute_matcher,
968 G_FILE_ATTRIBUTE_FILESYSTEM_FREE))
971 gchar *localdir = g_path_get_dirname (local->filename);
972 wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
976 if (GetDiskFreeSpaceExW (wdirname, &li, NULL, NULL))
977 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, (guint64)li.QuadPart);
980 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_FREE, block_size * statfs_buffer.f_bavail);
983 if (g_file_attribute_matcher_matches (attribute_matcher,
984 G_FILE_ATTRIBUTE_FILESYSTEM_SIZE))
987 gchar *localdir = g_path_get_dirname (local->filename);
988 wchar_t *wdirname = g_utf8_to_utf16 (localdir, -1, NULL, NULL, NULL);
992 if (GetDiskFreeSpaceExW (wdirname, NULL, &li, NULL))
993 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, (guint64)li.QuadPart);
996 g_file_info_set_attribute_uint64 (info, G_FILE_ATTRIBUTE_FILESYSTEM_SIZE, block_size * statfs_buffer.f_blocks);
1000 #if defined(HAVE_STRUCT_STATFS_FS_TYPENAME)
1001 fstype = g_strdup(statfs_buffer.f_fstypename);
1003 fstype = get_fs_type (statfs_buffer.f_type);
1006 g_file_attribute_matcher_matches (attribute_matcher,
1007 G_FILE_ATTRIBUTE_FILESYSTEM_TYPE))
1008 g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_FILESYSTEM_TYPE, fstype);
1011 if (g_file_attribute_matcher_matches (attribute_matcher,
1012 G_FILE_ATTRIBUTE_FILESYSTEM_READONLY))
1015 get_filesystem_readonly (info, local->filename);
1017 get_mount_info (info, local->filename, attribute_matcher);
1021 g_file_attribute_matcher_unref (attribute_matcher);
1027 g_local_file_find_enclosing_mount (GFile *file,
1028 GCancellable *cancellable,
1031 GLocalFile *local = G_LOCAL_FILE (file);
1036 if (g_lstat (local->filename, &buf) != 0)
1038 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1039 /* Translators: This is an error message when trying to
1040 * find the enclosing (user visible) mount of a file, but
1042 _("Containing mount does not exist"));
1046 mountpoint = find_mountpoint_for (local->filename, buf.st_dev);
1047 if (mountpoint == NULL)
1049 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1050 /* Translators: This is an error message when trying to
1051 * find the enclosing (user visible) mount of a file, but
1053 _("Containing mount does not exist"));
1057 mount = _g_mount_get_for_mount_path (mountpoint, cancellable);
1058 g_free (mountpoint);
1062 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
1063 /* Translators: This is an error message when trying to find
1064 * the enclosing (user visible) mount of a file, but none
1066 _("Containing mount does not exist"));
1071 g_local_file_set_display_name (GFile *file,
1072 const char *display_name,
1073 GCancellable *cancellable,
1076 GLocalFile *local, *new_local;
1077 GFile *new_file, *parent;
1078 struct stat statbuf;
1081 parent = g_file_get_parent (file);
1084 g_set_error (error, G_IO_ERROR,
1086 _("Can't rename root directory"));
1090 new_file = g_file_get_child_for_display_name (parent, display_name, error);
1091 g_object_unref (parent);
1093 if (new_file == NULL)
1096 local = G_LOCAL_FILE (file);
1097 new_local = G_LOCAL_FILE (new_file);
1099 if (!(g_lstat (new_local->filename, &statbuf) == -1 &&
1102 g_set_error (error, G_IO_ERROR,
1104 _("Can't rename file, filename already exist"));
1108 if (g_rename (local->filename, new_local->filename) == -1)
1112 if (errsv == EINVAL)
1113 /* We can't get a rename file into itself error herer,
1114 so this must be an invalid filename, on e.g. FAT */
1115 g_set_error (error, G_IO_ERROR,
1116 G_IO_ERROR_INVALID_FILENAME,
1117 _("Invalid filename"));
1119 g_set_error (error, G_IO_ERROR,
1120 g_io_error_from_errno (errsv),
1121 _("Error renaming file: %s"),
1122 g_strerror (errsv));
1123 g_object_unref (new_file);
1131 g_local_file_query_info (GFile *file,
1132 const char *attributes,
1133 GFileQueryInfoFlags flags,
1134 GCancellable *cancellable,
1137 GLocalFile *local = G_LOCAL_FILE (file);
1139 GFileAttributeMatcher *matcher;
1140 char *basename, *dirname;
1141 GLocalParentFileInfo parent_info;
1143 matcher = g_file_attribute_matcher_new (attributes);
1145 basename = g_path_get_basename (local->filename);
1147 dirname = g_path_get_dirname (local->filename);
1148 _g_local_file_info_get_parent_info (dirname, matcher, &parent_info);
1151 info = _g_local_file_info_get (basename, local->filename,
1152 matcher, flags, &parent_info,
1157 g_file_attribute_matcher_unref (matcher);
1162 static GFileAttributeInfoList *
1163 g_local_file_query_settable_attributes (GFile *file,
1164 GCancellable *cancellable,
1167 return g_file_attribute_info_list_ref (local_writable_attributes);
1170 static GFileAttributeInfoList *
1171 g_local_file_query_writable_namespaces (GFile *file,
1172 GCancellable *cancellable,
1175 return g_file_attribute_info_list_ref (local_writable_namespaces);
1179 g_local_file_set_attribute (GFile *file,
1180 const char *attribute,
1181 GFileAttributeType type,
1183 GFileQueryInfoFlags flags,
1184 GCancellable *cancellable,
1187 GLocalFile *local = G_LOCAL_FILE (file);
1189 return _g_local_file_info_set_attribute (local->filename,
1199 g_local_file_set_attributes_from_info (GFile *file,
1201 GFileQueryInfoFlags flags,
1202 GCancellable *cancellable,
1205 GLocalFile *local = G_LOCAL_FILE (file);
1206 int res, chained_res;
1207 GFileIface *default_iface;
1209 res = _g_local_file_info_set_attributes (local->filename,
1215 error = NULL; /* Don't write over error if further errors */
1217 default_iface = g_type_default_interface_peek (G_TYPE_FILE);
1219 chained_res = (default_iface->set_attributes_from_info) (file, info, flags, cancellable, error);
1221 return res && chained_res;
1224 static GFileInputStream *
1225 g_local_file_read (GFile *file,
1226 GCancellable *cancellable,
1229 GLocalFile *local = G_LOCAL_FILE (file);
1233 fd = g_open (local->filename, O_RDONLY|O_BINARY, 0);
1238 g_set_error (error, G_IO_ERROR,
1239 g_io_error_from_errno (errsv),
1240 _("Error opening file: %s"),
1241 g_strerror (errsv));
1245 if (fstat(fd, &buf) == 0 && S_ISDIR (buf.st_mode))
1248 g_set_error (error, G_IO_ERROR,
1249 G_IO_ERROR_IS_DIRECTORY,
1250 _("Can't open directory"));
1254 return _g_local_file_input_stream_new (fd);
1257 static GFileOutputStream *
1258 g_local_file_append_to (GFile *file,
1259 GFileCreateFlags flags,
1260 GCancellable *cancellable,
1263 return _g_local_file_output_stream_append (G_LOCAL_FILE (file)->filename,
1264 flags, cancellable, error);
1267 static GFileOutputStream *
1268 g_local_file_create (GFile *file,
1269 GFileCreateFlags flags,
1270 GCancellable *cancellable,
1273 return _g_local_file_output_stream_create (G_LOCAL_FILE (file)->filename,
1274 flags, cancellable, error);
1277 static GFileOutputStream *
1278 g_local_file_replace (GFile *file,
1280 gboolean make_backup,
1281 GFileCreateFlags flags,
1282 GCancellable *cancellable,
1285 return _g_local_file_output_stream_replace (G_LOCAL_FILE (file)->filename,
1286 etag, make_backup, flags,
1287 cancellable, error);
1292 g_local_file_delete (GFile *file,
1293 GCancellable *cancellable,
1296 GLocalFile *local = G_LOCAL_FILE (file);
1298 if (g_remove (local->filename) == -1)
1302 /* Posix allows EEXIST too, but the more sane error
1303 is G_IO_ERROR_NOT_FOUND, and its what nautilus
1305 if (errsv == EEXIST)
1308 g_set_error (error, G_IO_ERROR,
1309 g_io_error_from_errno (errsv),
1310 _("Error removing file: %s"),
1311 g_strerror (errsv));
1319 strip_trailing_slashes (const char *path)
1324 path_copy = g_strdup (path);
1325 len = strlen (path_copy);
1326 while (len > 1 && path_copy[len-1] == '/')
1327 path_copy[--len] = 0;
1333 expand_symlink (const char *link)
1335 char *resolved, *canonical, *parent, *link2;
1336 char symlink_value[4096];
1344 res = readlink (link, symlink_value, sizeof (symlink_value) - 1);
1347 return g_strdup (link);
1348 symlink_value[res] = 0;
1351 if (g_path_is_absolute (symlink_value))
1352 return canonicalize_filename (symlink_value);
1355 link2 = strip_trailing_slashes (link);
1356 parent = g_path_get_dirname (link2);
1359 resolved = g_build_filename (parent, symlink_value, NULL);
1362 canonical = canonicalize_filename (resolved);
1371 get_parent (const char *path,
1375 struct stat parent_stat;
1379 path_copy = strip_trailing_slashes (path);
1381 parent = g_path_get_dirname (path_copy);
1382 if (strcmp (parent, ".") == 0 ||
1383 strcmp (parent, path_copy) == 0)
1392 if (g_lstat (parent, &parent_stat) != 0)
1398 if (S_ISLNK (parent_stat.st_mode))
1401 parent = expand_symlink (parent);
1406 if (num_recursions > 12)
1411 } while (S_ISLNK (parent_stat.st_mode));
1413 *parent_dev = parent_stat.st_dev;
1419 expand_all_symlinks (const char *path)
1421 char *parent, *parent_expanded;
1422 char *basename, *res;
1425 parent = get_parent (path, &parent_dev);
1428 parent_expanded = expand_all_symlinks (parent);
1430 basename = g_path_get_basename (path);
1431 res = g_build_filename (parent_expanded, basename, NULL);
1433 g_free (parent_expanded);
1436 res = g_strdup (path);
1444 find_mountpoint_for (const char *file,
1448 dev_t dir_dev, parent_dev;
1450 dir = g_strdup (file);
1455 parent = get_parent (dir, &parent_dev);
1459 if (parent_dev != dir_dev)
1471 find_topdir_for (const char *file)
1476 dir = get_parent (file, &dir_dev);
1480 return find_mountpoint_for (dir, dir_dev);
1484 get_unique_filename (const char *basename,
1490 return g_strdup (basename);
1492 dot = strchr (basename, '.');
1494 return g_strdup_printf ("%.*s.%d%s", (int)(dot - basename), basename, id, dot);
1496 return g_strdup_printf ("%s.%d", basename, id);
1500 path_has_prefix (const char *path,
1508 prefix_len = strlen (prefix);
1510 if (strncmp (path, prefix, prefix_len) == 0 &&
1511 (prefix_len == 0 || /* empty prefix always matches */
1512 prefix[prefix_len - 1] == '/' || /* last char in prefix was a /, so it must be in path too */
1513 path[prefix_len] == 0 ||
1514 path[prefix_len] == '/'))
1521 try_make_relative (const char *path,
1524 char *path2, *base2;
1527 path2 = expand_all_symlinks (path);
1528 base2 = expand_all_symlinks (base);
1531 if (path_has_prefix (path2, base2))
1533 relative = path2 + strlen (base2);
1534 while (*relative == '/')
1536 relative = g_strdup (relative);
1544 /* Failed, use abs path */
1545 return g_strdup (path);
1549 escape_trash_name (char *name)
1552 const gchar hex[16] = "0123456789ABCDEF";
1554 str = g_string_new ("");
1562 if (g_ascii_isprint (c))
1563 g_string_append_c (str, c);
1566 g_string_append_c (str, '%');
1567 g_string_append_c (str, hex[((guchar)c) >> 4]);
1568 g_string_append_c (str, hex[((guchar)c) & 0xf]);
1572 return g_string_free (str, FALSE);
1576 g_local_file_trash (GFile *file,
1577 GCancellable *cancellable,
1580 GLocalFile *local = G_LOCAL_FILE (file);
1581 struct stat file_stat, home_stat;
1582 const char *homedir;
1583 char *trashdir, *topdir, *infodir, *filesdir;
1584 char *basename, *trashname, *trashfile, *infoname, *infofile;
1585 char *original_name, *original_name_escaped;
1588 gboolean is_homedir_trash;
1589 char delete_time[32];
1591 struct stat trash_stat, global_stat;
1592 char *dirname, *globaldir;
1594 if (g_lstat (local->filename, &file_stat) != 0)
1598 g_set_error (error, G_IO_ERROR,
1599 g_io_error_from_errno (errsv),
1600 _("Error trashing file: %s"),
1601 g_strerror (errsv));
1605 homedir = g_get_home_dir ();
1606 g_stat (homedir, &home_stat);
1608 is_homedir_trash = FALSE;
1610 if (file_stat.st_dev == home_stat.st_dev)
1612 is_homedir_trash = TRUE;
1614 trashdir = g_build_filename (g_get_user_data_dir (), "Trash", NULL);
1615 if (g_mkdir_with_parents (trashdir, 0700) < 0)
1620 display_name = g_filename_display_name (trashdir);
1621 g_set_error (error, G_IO_ERROR,
1622 g_io_error_from_errno (errsv),
1623 _("Unable to create trash dir %s: %s"),
1624 display_name, g_strerror (errsv));
1625 g_free (display_name);
1629 topdir = g_strdup (g_get_user_data_dir ());
1637 g_snprintf (uid_str, sizeof (uid_str), "%lu", (unsigned long)uid);
1639 topdir = find_topdir_for (local->filename);
1642 g_set_error (error, G_IO_ERROR,
1643 G_IO_ERROR_NOT_SUPPORTED,
1644 _("Unable to find toplevel directory for trash"));
1648 /* Try looking for global trash dir $topdir/.Trash/$uid */
1649 globaldir = g_build_filename (topdir, ".Trash", NULL);
1650 if (g_lstat (globaldir, &global_stat) == 0 &&
1651 S_ISDIR (global_stat.st_mode) &&
1652 (global_stat.st_mode & S_ISVTX) != 0)
1654 trashdir = g_build_filename (globaldir, uid_str, NULL);
1656 if (g_lstat (trashdir, &trash_stat) == 0)
1658 if (!S_ISDIR (trash_stat.st_mode) ||
1659 trash_stat.st_uid != uid)
1661 /* Not a directory or not owned by user, ignore */
1666 else if (g_mkdir (trashdir, 0700) == -1)
1674 if (trashdir == NULL)
1676 gboolean tried_create;
1678 /* No global trash dir, or it failed the tests, fall back to $topdir/.Trash-$uid */
1679 dirname = g_strdup_printf (".Trash-%s", uid_str);
1680 trashdir = g_build_filename (topdir, dirname, NULL);
1683 tried_create = FALSE;
1686 if (g_lstat (trashdir, &trash_stat) == 0)
1688 if (!S_ISDIR (trash_stat.st_mode) ||
1689 trash_stat.st_uid != uid)
1691 /* Remove the failed directory */
1693 g_remove (trashdir);
1695 /* Not a directory or not owned by user, ignore */
1702 if (!tried_create &&
1703 g_mkdir (trashdir, 0700) != -1)
1705 /* Ensure that the created dir has the right uid etc.
1706 This might fail on e.g. a FAT dir */
1707 tried_create = TRUE;
1718 if (trashdir == NULL)
1721 g_set_error (error, G_IO_ERROR,
1722 G_IO_ERROR_NOT_SUPPORTED,
1723 _("Unable to find or create trash directory"));
1728 /* Trashdir points to the trash dir with the "info" and "files" subdirectories */
1730 infodir = g_build_filename (trashdir, "info", NULL);
1731 filesdir = g_build_filename (trashdir, "files", NULL);
1734 /* Make sure we have the subdirectories */
1735 if ((g_mkdir (infodir, 0700) == -1 && errno != EEXIST) ||
1736 (g_mkdir (filesdir, 0700) == -1 && errno != EEXIST))
1741 g_set_error (error, G_IO_ERROR,
1742 G_IO_ERROR_NOT_SUPPORTED,
1743 _("Unable to find or create trash directory"));
1747 basename = g_path_get_basename (local->filename);
1755 trashname = get_unique_filename (basename, i++);
1756 infoname = g_strconcat (trashname, ".trashinfo", NULL);
1757 infofile = g_build_filename (infodir, infoname, NULL);
1760 fd = open (infofile, O_CREAT | O_EXCL, 0666);
1761 } while (fd == -1 && errno == EEXIST);
1775 g_set_error (error, G_IO_ERROR,
1776 g_io_error_from_errno (errsv),
1777 _("Unable to create trashing info file: %s"),
1778 g_strerror (errsv));
1784 /* TODO: Maybe we should verify that you can delete the file from the trash
1785 before moving it? OTOH, that is hard, as it needs a recursive scan */
1787 trashfile = g_build_filename (filesdir, trashname, NULL);
1791 if (g_rename (local->filename, trashfile) == -1)
1800 g_set_error (error, G_IO_ERROR,
1801 g_io_error_from_errno (errsv),
1802 _("Unable to trash file: %s"),
1803 g_strerror (errsv));
1809 /* TODO: Do we need to update mtime/atime here after the move? */
1811 /* Use absolute names for homedir */
1812 if (is_homedir_trash)
1813 original_name = g_strdup (local->filename);
1815 original_name = try_make_relative (local->filename, topdir);
1816 original_name_escaped = escape_trash_name (original_name);
1818 g_free (original_name);
1825 localtime_r (&t, &now);
1827 strftime(delete_time, sizeof (delete_time), "%Y-%m-%dT%H:%M:%S", &now);
1830 data = g_strdup_printf ("[Trash Info]\nPath=%s\nDeletionDate=%s\n",
1831 original_name_escaped, delete_time);
1833 g_file_set_contents (infofile, data, -1, NULL);
1837 g_free (original_name_escaped);
1842 #else /* G_OS_WIN32 */
1844 g_local_file_trash (GFile *file,
1845 GCancellable *cancellable,
1848 GLocalFile *local = G_LOCAL_FILE (file);
1849 SHFILEOPSTRUCTW op = {0};
1854 wfilename = g_utf8_to_utf16 (local->filename, -1, NULL, &len, NULL);
1855 /* SHFILEOPSTRUCT.pFrom is double-zero-terminated */
1856 wfilename = g_renew (wchar_t, wfilename, len + 2);
1857 wfilename[len + 1] = 0;
1859 op.wFunc = FO_DELETE;
1860 op.pFrom = wfilename;
1861 op.fFlags = FOF_ALLOWUNDO;
1863 success = SHFileOperationW (&op) == 0;
1865 if (success && op.fAnyOperationsAborted)
1867 if (cancellable && !g_cancellable_is_cancelled (cancellable))
1868 g_cancellable_cancel (cancellable);
1869 g_set_error (error, G_IO_ERROR,
1870 G_IO_ERROR_CANCELLED,
1871 _("Unable to trash file: %s"),
1872 _("Operation was cancelled"));
1876 g_set_error (error, G_IO_ERROR,
1878 _("Unable to trash file: %s"),
1879 _("internal error"));
1884 #endif /* G_OS_WIN32 */
1887 g_local_file_make_directory (GFile *file,
1888 GCancellable *cancellable,
1891 GLocalFile *local = G_LOCAL_FILE (file);
1893 if (g_mkdir (local->filename, 0755) == -1)
1897 if (errsv == EINVAL)
1898 /* This must be an invalid filename, on e.g. FAT */
1899 g_set_error (error, G_IO_ERROR,
1900 G_IO_ERROR_INVALID_FILENAME,
1901 _("Invalid filename"));
1903 g_set_error (error, G_IO_ERROR,
1904 g_io_error_from_errno (errsv),
1905 _("Error removing file: %s"),
1906 g_strerror (errsv));
1914 g_local_file_make_symbolic_link (GFile *file,
1915 const char *symlink_value,
1916 GCancellable *cancellable,
1920 GLocalFile *local = G_LOCAL_FILE (file);
1922 if (symlink (symlink_value, local->filename) == -1)
1926 if (errsv == EINVAL)
1927 /* This must be an invalid filename, on e.g. FAT */
1928 g_set_error (error, G_IO_ERROR,
1929 G_IO_ERROR_INVALID_FILENAME,
1930 _("Invalid filename"));
1932 g_set_error (error, G_IO_ERROR,
1933 g_io_error_from_errno (errsv),
1934 _("Error making symbolic link: %s"),
1935 g_strerror (errsv));
1940 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Symlinks not supported");
1947 g_local_file_copy (GFile *source,
1949 GFileCopyFlags flags,
1950 GCancellable *cancellable,
1951 GFileProgressCallback progress_callback,
1952 gpointer progress_callback_data,
1955 /* Fall back to default copy */
1956 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Copy not supported");
1961 g_local_file_move (GFile *source,
1963 GFileCopyFlags flags,
1964 GCancellable *cancellable,
1965 GFileProgressCallback progress_callback,
1966 gpointer progress_callback_data,
1969 GLocalFile *local_source, *local_destination;
1970 struct stat statbuf;
1971 gboolean destination_exist, source_is_dir;
1976 if (!G_IS_LOCAL_FILE (source) ||
1977 !G_IS_LOCAL_FILE (destination))
1979 /* Fall back to default move */
1980 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "Move not supported");
1984 local_source = G_LOCAL_FILE (source);
1985 local_destination = G_LOCAL_FILE (destination);
1987 res = g_lstat (local_source->filename, &statbuf);
1992 g_set_error (error, G_IO_ERROR,
1993 g_io_error_from_errno (errsv),
1994 _("Error moving file: %s"),
1995 g_strerror (errsv));
1999 source_is_dir = S_ISDIR (statbuf.st_mode);
2001 source_size = statbuf.st_size;
2003 destination_exist = FALSE;
2004 res = g_lstat (local_destination->filename, &statbuf);
2007 destination_exist = TRUE; /* Target file exists */
2009 if (flags & G_FILE_COPY_OVERWRITE)
2011 /* Always fail on dirs, even with overwrite */
2012 if (S_ISDIR (statbuf.st_mode))
2016 G_IO_ERROR_WOULD_MERGE,
2017 _("Can't move directory over directory"));
2026 _("Target file exists"));
2031 if (flags & G_FILE_COPY_BACKUP && destination_exist)
2033 backup_name = g_strconcat (local_destination->filename, "~", NULL);
2034 if (g_rename (local_destination->filename, backup_name) == -1)
2038 G_IO_ERROR_CANT_CREATE_BACKUP,
2039 _("Backup file creation failed"));
2040 g_free (backup_name);
2043 g_free (backup_name);
2044 destination_exist = FALSE; /* It did, but no more */
2047 if (source_is_dir && destination_exist && (flags & G_FILE_COPY_OVERWRITE))
2049 /* Source is a dir, destination exists (and is not a dir, because that would have failed
2050 earlier), and we're overwriting. Manually remove the target so we can do the rename. */
2051 res = g_unlink (local_destination->filename);
2056 g_set_error (error, G_IO_ERROR,
2057 g_io_error_from_errno (errsv),
2058 _("Error removing target file: %s"),
2059 g_strerror (errsv));
2064 if (g_rename (local_source->filename, local_destination->filename) == -1)
2069 /* This will cause the fallback code to run */
2070 g_set_error (error, G_IO_ERROR,
2071 G_IO_ERROR_NOT_SUPPORTED,
2072 _("Move between mounts not supported"));
2073 else if (errsv == EINVAL)
2074 /* This must be an invalid filename, on e.g. FAT, or
2075 we're trying to move the file into itself...
2076 We return invalid filename for both... */
2077 g_set_error (error, G_IO_ERROR,
2078 G_IO_ERROR_INVALID_FILENAME,
2079 _("Invalid filename"));
2081 g_set_error (error, G_IO_ERROR,
2082 g_io_error_from_errno (errsv),
2083 _("Error moving file: %s"),
2084 g_strerror (errsv));
2088 /* Make sure we send full copied size */
2089 if (progress_callback)
2090 progress_callback (source_size, source_size, progress_callback_data);
2095 static GFileMonitor*
2096 g_local_file_monitor_dir (GFile *file,
2097 GFileMonitorFlags flags,
2098 GCancellable *cancellable,
2101 GLocalFile* local_file = G_LOCAL_FILE(file);
2102 return _g_local_directory_monitor_new (local_file->filename, flags, error);
2105 static GFileMonitor*
2106 g_local_file_monitor_file (GFile *file,
2107 GFileMonitorFlags flags,
2108 GCancellable *cancellable,
2111 GLocalFile* local_file = G_LOCAL_FILE(file);
2112 return _g_local_file_monitor_new (local_file->filename, flags, error);
2116 g_local_file_file_iface_init (GFileIface *iface)
2118 iface->dup = g_local_file_dup;
2119 iface->hash = g_local_file_hash;
2120 iface->equal = g_local_file_equal;
2121 iface->is_native = g_local_file_is_native;
2122 iface->has_uri_scheme = g_local_file_has_uri_scheme;
2123 iface->get_uri_scheme = g_local_file_get_uri_scheme;
2124 iface->get_basename = g_local_file_get_basename;
2125 iface->get_path = g_local_file_get_path;
2126 iface->get_uri = g_local_file_get_uri;
2127 iface->get_parse_name = g_local_file_get_parse_name;
2128 iface->get_parent = g_local_file_get_parent;
2129 iface->prefix_matches = g_local_file_prefix_matches;
2130 iface->get_relative_path = g_local_file_get_relative_path;
2131 iface->resolve_relative_path = g_local_file_resolve_relative_path;
2132 iface->get_child_for_display_name = g_local_file_get_child_for_display_name;
2133 iface->set_display_name = g_local_file_set_display_name;
2134 iface->enumerate_children = g_local_file_enumerate_children;
2135 iface->query_info = g_local_file_query_info;
2136 iface->query_filesystem_info = g_local_file_query_filesystem_info;
2137 iface->find_enclosing_mount = g_local_file_find_enclosing_mount;
2138 iface->query_settable_attributes = g_local_file_query_settable_attributes;
2139 iface->query_writable_namespaces = g_local_file_query_writable_namespaces;
2140 iface->set_attribute = g_local_file_set_attribute;
2141 iface->set_attributes_from_info = g_local_file_set_attributes_from_info;
2142 iface->read_fn = g_local_file_read;
2143 iface->append_to = g_local_file_append_to;
2144 iface->create = g_local_file_create;
2145 iface->replace = g_local_file_replace;
2146 iface->delete_file = g_local_file_delete;
2147 iface->trash = g_local_file_trash;
2148 iface->make_directory = g_local_file_make_directory;
2149 iface->make_symbolic_link = g_local_file_make_symbolic_link;
2150 iface->copy = g_local_file_copy;
2151 iface->move = g_local_file_move;
2152 iface->monitor_dir = g_local_file_monitor_dir;
2153 iface->monitor_file = g_local_file_monitor_file;