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gh-94315: Check for DAC override capability (GH-94316)

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``os.geteuid() == 0`` is not a reliable check whether the current user
has the capability to bypass permission checks. Tests now probe for DAC
override.
This commit is contained in:
Christian Heimes 2022-06-27 20:27:19 +02:00 • committed by GitHub
parent 1172172453
commit 7e0d98ecb3
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6 changed files with 58 additions and 22 deletions
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Lib/test/test_py_compile.py
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@ -115,8 +115,7 @@ class PyCompileTestsBase:
self.assertTrue(os.path.exists(self.pyc_path))
self.assertFalse(os.path.exists(self.cache_path))
@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
'non-root user required')
@os_helper.skip_if_dac_override
@unittest.skipIf(os.name == 'nt',
'cannot control directory permissions on Windows')
@os_helper.skip_unless_working_chmod