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W32: tighten access rights requested to read symlink

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According to
http://blog.kalmbach-software.de/2008/02/28/howto-correctly-read-reparse-data-in-vista/
we only need FILE_READ_EA, and should also use wider share flags.
This commit is contained in:
Руслан Ижбулатов 2018-08-16 10:06:33 +00:00
parent a86eb1a8b6
commit 256e741248
1 changed files with 3 additions and 2 deletions
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5
glib/gstdio.c
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@ -466,8 +466,9 @@ _g_win32_readlink_utf16_raw (const gunichar2 *filename,
* point and use DeviceIoControl() on it.
*/
h = CreateFileW (filename,
FILE_READ_ATTRIBUTES | SYNCHRONIZE | GENERIC_READ,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_READ_EA,
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL
| FILE_FLAG_OPEN_REPARSE_POINT
| (attributes & FILE_ATTRIBUTE_DIRECTORY ? FILE_FLAG_BACKUP_SEMANTICS : 0),