[issue4489] shutil.rmtree is vulnerable to a symlink attack

[Larry Hastings]

Larry Hastings <larry at hastings.org> added the comment:

Bikeshedding:

(os.unlink in os.supports_dir_fd and os.open in os.supports_dir_fd)

could be rewritten as

{ os.open, os.unlink } <= os.supports_dir_fd

As you were!

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<http://bugs.python.org/issue4489>
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