pypledge

Release 0.3.1

Binding for the OpenBSD pledge(2) system call

Homepage PyPI

Keywords
pledge openbsd security binding
License
MIT
Install
pip install pypledge==0.3.1

Documentation

PyPledge

def pledge(promises: Iterable[str], paths: List[bytes]=None) -> None: ...
  • Throws TypeError if paths contains a non-bytes element.
  • Throws OSError if the platform does not support pledge(2) or if the pledge fails.

Example

The following will restrict the current process to only the stdio and tty promises, and then attempt to violate that restriction:

import pypledge
pypledge.pledge(['stdio', 'tty'])
f = open('foo.txt')

On OpenBSD 5.9, this will terminate with SIGABRT because the rpath promise was required.

On other platforms, this will throw OSError.

Errata

pledge(2) currently always returns EINVAL if given a paths whitelist. To experiment with the path whitelist, you currently have to patch your kernel.

Stats

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Dependent repositories
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Total releases
5
Latest release
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SourceRank
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Releases

0.3.1
0.3
0.2.1
0.2
0.1

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