[Bug 2763] Broken parsing of link-local addresses

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2763

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
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                 CC|                            |djm at mindrot.org

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
(In reply to Maciej Piechotka from comment #0)
> I'm trying to connect through veth to link-local address. However
> ssh tries to resolve it:
> 
> % ssh 'fe80::1' -v -v -v -S none

This link-local address is missing its interface scope

> OpenSSH_7.5p1-hpn14v12lpk, OpenSSL 1.0.2l  25 May 2017

This isn't what we ship - it contains vendor patches. Please try to
reproduce your problems with unpatched OpenSSH, or report the problems
to your vendor.

> % ssh 'fe80::1%xe-<NAME>' -v -v -v -S none

I don't know what this syntax is for specifying the interface scope,
but plain interface names work fine:

[djm at argon ~]$ ssh fe80::744b:fff:d37:8a4a%em1
The authenticity of host 'fe80::744b:fff:d37:8a4a%em1
(fe80::744b:fff:d37:8a4a%em1)' can't be established.

Perhaps your libc getaddrinfo(3) doesn't know about your interface
naming scheme?

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