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Summary: If edenfs was started using `sudo`, the `$USER` environment variable will be set to `root` rather than the actual user. When we drop privileges make sure we restore the value of `$USER` as well. The `$USER` variable isn't checked anywhere else in edenfs itself, but it matters for subprocesses we spawn, like `hg debugedenimporthelper`. I also changed the code to clear the `SUDO_*` variables as well, mostly just for good measure. Reviewed By: kulshrax Differential Revision: D15929539 fbshipit-source-id: e022c7ae762e2a5e86d0227058bb476aff17cf55
27 lines
855 B
Python
27 lines
855 B
Python
#!/usr/bin/env python3
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#
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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import os
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import subprocess
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import unittest
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from .lib import edenclient
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from .lib.find_executables import FindExe
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class UserInfoTest(unittest.TestCase):
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@unittest.skipIf(not edenclient.can_run_sudo(), "unable to run sudo")
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def test_drop_privs(self):
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expected_user = os.environ["USER"]
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cmd = ["/usr/bin/sudo", FindExe.DROP_PRIVS, "/bin/env"]
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out = subprocess.check_output(cmd)
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lines = out.splitlines()
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self.assertIn(f"USER={expected_user}".encode("utf-8"), lines)
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self.assertIn(f"USERNAME={expected_user}".encode("utf-8"), lines)
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self.assertIn(f"LOGNAME={expected_user}".encode("utf-8"), lines)
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