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[WIP] Update openssh to 7.8p1, disable DSA host keys in client-side config #47312

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[WIP] Update openssh to 7.8p1, disable DSA host keys in client-side config #47312

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aneeshusa
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@aneeshusa aneeshusa commented Sep 25, 2018 •
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Motivation for this change

See commit messages.
Release notes: https://www.openssh.com/txt/release-7.8

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Fits CONTRIBUTING.md.

I've built all the flavors of openssh locally, but haven't yet run NixOS tests or fully tested the DSA-related bits.
TODOs:

@aneeshusa
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Partial replacement of #36937 (cc @yegortimoshenko as author).
cc @edolstra as I know you are interested in a smooth upgrade path re: DSA (see #36937 (comment)) for example.
As this is a client side change, I don't think this would cause an unrecoverable lockout.
Still WIP but would like to get your feedback on the approach.

@aneeshusa
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Also, the reason I put these two commits together: the DSA patch no longer cleanly applies with 7.8p1, and I decided I'd rather remove it instead of try to update it.

@aneeshusa aneeshusa mentioned this pull request Oct 8, 2018
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@lukateras
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lukateras commented Oct 13, 2018 •
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I think the easiest way to get DSA removal in is to have it depend on system.stateVersion >= "19.03".

@lukateras lukateras mentioned this pull request Oct 16, 2018
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@dtzWill
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dtzWill commented Oct 19, 2018

Looks like 7.9 is now out: https://www.openssh.com/txt/release-7.9

@JohnAZoidberg
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I think this can be closed in favor of #48784.

@aneeshusa
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Superseded by #48784.

@aneeshusa aneeshusa closed this Nov 12, 2018
@aneeshusa aneeshusa deleted the update-openssh-to-7.8p1 branch January 7, 2022 02:53
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6.topic: nixos 8.has: changelog 8.has: documentation 8.has: module (update) 10.rebuild-darwin: 501+ 10.rebuild-linux: 501+
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@aneeshusa @lukateras @dtzWill @JohnAZoidberg @GrahamcOfBorg