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glocalfileinfo: Try GetFileAttributes

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If the stat path failed with EACCES, try retrieving attributes with
GetFileAttributes. For example, for the "System Volume Information"
directory that Windows creates on each drive, CreateFile fails even
with access rights set to 0, while GetFileAttributes succeeds.

This commit also fixes usage of statbuf.attributes when stat failed
This commit is contained in:
Luca Bacci 2024-03-06 18:07:17 +01:00
parent 404c6cd8c5
commit acf94da8a0
1 changed files with 32 additions and 5 deletions
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37
gio/glocalfileinfo.c
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@ -1915,6 +1915,10 @@ _g_local_file_info_get (const char *basename,
GVfs *vfs;
GVfsClass *class;
guint64 device;
#ifdef G_OS_WIN32
DWORD attributes;
gboolean attributes_set;
#endif
info = g_file_info_new ();
@ -2019,13 +2023,36 @@ _g_local_file_info_get (const char *basename,
#else
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_STANDARD_IS_BACKUP, FALSE);
g_file_info_set_is_hidden (info, (statbuf.attributes & FILE_ATTRIBUTE_HIDDEN));
attributes_set = FALSE;
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_ARCHIVE,
(statbuf.attributes & FILE_ATTRIBUTE_ARCHIVE));
if (stat_ok)
{
attributes = statbuf.attributes;
attributes_set = TRUE;
}
else
{
wchar_t *path_utf16 = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL);
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_SYSTEM,
(statbuf.attributes & FILE_ATTRIBUTE_SYSTEM));
if (path_utf16)
{
attributes = GetFileAttributes (path_utf16);
attributes_set = (attributes != INVALID_FILE_ATTRIBUTES);
}
g_free (path_utf16);
}
if (attributes_set)
{
g_file_info_set_is_hidden (info, (attributes & FILE_ATTRIBUTE_HIDDEN));
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_ARCHIVE,
(attributes & FILE_ATTRIBUTE_ARCHIVE));
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_SYSTEM,
(attributes & FILE_ATTRIBUTE_SYSTEM));
}
_g_file_info_set_attribute_boolean_by_id (info, G_FILE_ATTRIBUTE_ID_DOS_IS_MOUNTPOINT,
(statbuf.reparse_tag == IO_REPARSE_TAG_MOUNT_POINT));