Quoth tlaro...@kergis.com:
>
> Whether under 9front or 9legacy, I'm unable to clone a public git
> github repository using ssh (ssh://g...@github.com/...).
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 chacha20-poly1...@openssh.com algorithm, and it
just works for me.
Here's the debug transcript of just ssh:
% ssh -d g...@github.com
server version: SSH-2.0-7d0489107
kexalgs:
curve25519-sha256,curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,kex-strict-s-...@openssh.com
hostalgs:
ssh-ed25519,ecdsa-sha2-nistp256,rsa-sha2-512,rsa-sha2-256,ssh-rsa
cipher1:
chacha20-poly1...@openssh.com,aes256-...@openssh.com,aes128-...@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
cipher2:
chacha20-poly1...@openssh.com,aes256-...@openssh.com,aes128-...@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
mac1:
hmac-sha2-512-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512,hmac-sha2-256
mac2:
hmac-sha2-512-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512,hmac-sha2-256
zip1: none,z...@openssh.com
zip2: none,z...@openssh.com
lang1:
lang2:
host fingerprint: uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s
userauth none ok
userauth none failed: partial=0, next=publickey
userauth none skipped
userauth publickey ok
ssh: global request: hostkeys...@openssh.com
Hi oridb! You've successfully authenticated, but GitHub does not
provide shell access.
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