[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Serhiy Storchaka]

Change by Serhiy Storchaka :


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Vidar Fauske]

Vidar Fauske  added the comment:

Seems as if this was resolved by the linked PR in 3.8, or am I missing 
something?

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nosy: +vidartf

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset e9b51c0ad81da1da11ae65840ac8b50a8521373c by Serhiy Storchaka in 
branch 'master':
bpo-26660, bpo-35144: Fix permission errors in TemporaryDirectory cleanup. 
(GH-10320)
https://github.com/python/cpython/commit/e9b51c0ad81da1da11ae65840ac8b50a8521373c


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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Ryan Zoeller]

Change by Ryan Zoeller :


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nosy: +rtzoeller

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Eryk Sun]

Eryk Sun  added the comment:

> file mode and flags which can be set by os.chmod() and os.chflags() 
> by unprivileged user. 

I remembered incorrectly about chflags. It's not a single immutable flag, but 
several (depending on the OS). The owner or superuser can modify UF_IMMUTABLE, 
UF_READONLY, and UF_NOUNLINK. The SF_* flags can only be unset by the superuser 
in single-user mode.

> It doesn't solve problem when files was made immutable by chattr on
> Linux.

We may not have CAP_LINUX_IMMUTABLE, but we can at least try to clear the 
immutable flag, no?

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

PR 10320 solves problems with file mode and flags which can be set by 
os.chmod() and os.chflags() by unprivileged user. Was tested on Linux, FreeBSD 
and Windows.

It doesn't solve problem when files was made immutable by chattr on Linux.

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
keywords: +patch
pull_requests: +9621
stage:  -> patch review

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[issue26660] tempfile.TemporaryDirectory() cleanup exception if nonwriteable or non-searchable files or directories created

[Serhiy Storchaka]

Change by Serhiy Storchaka :


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title: tempfile.TemporaryDirectory() cleanup exception on Windows if readonly 
files created -> tempfile.TemporaryDirectory() cleanup exception if 
nonwriteable or non-searchable files or directories created
versions: +Python 3.7, Python 3.8 -Python 3.5

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