[issue6972] zipfile.ZipFile overwrites files outside destination path

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

There are different test fails on Windows:

http://buildbot.python.org/all/builders/x86%20XP-5%203.3/builds/405/steps/test/logs/stdio
======================================================================
ERROR: test_extract_hackers_arcnames (test.test_zipfile.TestsWithSourceFile)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\Buildslave\3.3.moore-windows\build\lib\test\test_zipfile.py", line 585, in test_extract_hackers_arcnames
    writtenfile = zipfp.extract(arcname, targetpath)
  File "D:\Buildslave\3.3.moore-windows\build\lib\zipfile.py", line 1212, in extract
    return self._extract_member(member, path, pwd)
  File "D:\Buildslave\3.3.moore-windows\build\lib\zipfile.py", line 1253, in _extract_member
    os.makedirs(upperdirs)
  File "D:\Buildslave\3.3.moore-windows\build\lib\os.py", line 269, in makedirs
    mkdir(name, mode)
FileNotFoundError: [WinError 3] The system cannot find the path specified: 'target\\subdir\\subsub\\foo'

http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.3/builds/428/steps/test/logs/stdio
======================================================================
FAIL: test_extract_hackers_arcnames (test.test_zipfile.TestsWithSourceFile)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.3.kloth-win64\build\lib\test\test_zipfile.py", line 586, in test_extract_hackers_arcnames
    self.assertEqual(writtenfile, correctfile)
AssertionError: 'target\\subdir\\subsub' != 'target\\subdir\\subsub\\foo\\bar'
- target\subdir\subsub
+ target\subdir\subsub\foo\bar
?                     ++++++++

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6972>
_______________________________________