On Sat, Mar 22, 2025 at 01:37:04AM -0400, [email protected] wrote:
> Quoth [email protected]:
> >
> > Whether under 9front or 9legacy, I'm unable to clone a public git
> > github repository using ssh (ssh://[email protected]/...).
>
> It works for me on 9front. Note, you will need to add your ssh key to
> the list of authorized keys in github.
>
> > But, after setting a lot of debugging with netssh (under 9legacy), it
> > seems that the algorithms proposed by github.com don't match an
> > algorithm implemented by netssh.
>
> I don't have 9legacy at hand, but a quick grep through the source indicates
> that
> your diagnosis is correct. The ssh client in /sys/src/cmd/ssh2 doesn't support
> anything other than 3des and the AES CTR mode ciphers, which github no longer
> serves.
>
> on 9front, we select the [email protected] algorithm, and it
> just works for me.
>
> Here's the debug transcript of just ssh:
>
> % ssh -d [email protected]
> server version: SSH-2.0-7d0489107
> kexalgs:
> curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,[email protected]
> hostalgs:
> ssh-ed25519,ecdsa-sha2-nistp256,rsa-sha2-512,rsa-sha2-256,ssh-rsa
> cipher1:
> [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
> cipher2:
> [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr
> mac1:
> [email protected],[email protected],hmac-sha2-512,hmac-sha2-256
> mac2:
> [email protected],[email protected],hmac-sha2-512,hmac-sha2-256
> zip1: none,[email protected]
> zip2: none,[email protected]
> lang1:
> lang2:
> host fingerprint: uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s
> userauth none ok
> userauth none failed: partial=0, next=publickey
> userauth none skipped
> userauth publickey ok
> ssh: global request: [email protected]
>
> Hi oridb! You've successfully authenticated, but GitHub does not
> provide shell access.
>
Thanks for the explanations. Well, I will have to fallback (on
9legacy) to hget'ing a "release" tarball for the git sources.
--
Thierry Laronde <tlaronde +AT+ kergis +dot+ com>
http://www.kergis.com/
http://kertex.kergis.com/
Key fingerprint = 0FF7 E906 FBAF FE95 FD89 250D 52B1 AE95 6006 F40C
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