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[internal] Improve tar packing #54

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[internal] Improve tar packing #54

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@astef astef commented Dec 11, 2024

Description

This is an improvement of tar, proposed here, then back-ported to v.4.7.0, and proposed in a form of a patch, replacing and older one.

Why do we need it, and what problem does it solve?

Older patch had a several problems:

  • not properly handling errors of file Close (sometimes ignoring them, sometimes silently returning success in the middle of the work)
  • not handling symlinks properly
  • Zip Slip vulnerability
  • bug, when --working-mount-dir is a relative path

What is the expected result?

No change in behavior, only bugs fixed.

Checklist

  • The code is covered by unit tests.
  • Changes were tested in the Kubernetes cluster manually.

Signed-off-by: Alexandr Stefurishin <[email protected]>
@astef astef added the enhancement New feature or request label Dec 11, 2024
@astef astef requested a review from AleksZimin December 11, 2024 20:09
@astef astef self-assigned this Dec 11, 2024
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