openssh bugs - Nov 2015 - [Bug 2510] New: building fail for unsupported key type

https://bugzilla.mindrot.org/show_bug.cgi?id=2510

            Bug ID: 2510
           Summary: building fail for unsupported key type
           Product: Portable OpenSSH
           Version: 7.1p1
          Hardware: ix86
                OS: Linux
            Status: NEW
          Severity: critical
          Priority: P5
         Component: Build system
          Assignee: unassigned-bugs at mindrot.org
          Reporter: flavio.gallucci at gmail.com

Created attachment 2760
  --> https://bugzilla.mindrot.org/attachment.cgi?id=2760&action=edit
building log

Hi. I have problem with openssl-7.1p1 building. It give me this error
'Saving key "/etc/ssh/ssh_host_key" failed: unknown or unsupported
key
type'. Any idea? Thanks

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--- Comment #1 from flavio.gallucci at gmail.com ---
I'have no problem with 6.x versions

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Jakub Jelen <jjelen at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jjelen at redhat.com

--- Comment #2 from Jakub Jelen <jjelen at redhat.com> ---
Openssh-7.x obsoletes SSH 1 protocol, which means it does not know
anything about the old key format.

You are probably using some build-script that counts with them and
generates them during the build time. This is not a bug in openssh, but
in your build script and there is no way to troubleshoot it, when you
post only the log, but not the script or things you made to achieve
such results.

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--- Comment #3 from flavio.gallucci at gmail.com ---
Created attachment 2762
  --> https://bugzilla.mindrot.org/attachment.cgi?id=2762&action=edit
building script

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--- Comment #4 from flavio.gallucci at gmail.com ---
After installation I don't do anything. When I'm trying to connect only
with password authentication, the server refuse it.
Thanks

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--- Comment #5 from flavio.gallucci at gmail.com ---
http://hastebin.com/yakutehipu.hs

This is the command 'ssh -v 192.168.1.130' results.

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--- Comment #6 from Jakub Jelen <jjelen at redhat.com> ---
I can reproduce your results with openssh-7.1p1, but not with current
HEAD. Anyway, it is not a error, but only non-fatal warning since such
a key is not useful for anything.

This problem is basically duplicate of bug #2459 and was actually fixed
in this commit and will be in the next release:
https://anongit.mindrot.org/openssh.git/commit/?id=cfffbdb10fdf0f02d3f4232232eef7ec3876c383

The non-working authentication is different issue, but to investigate
it, you should check for errors in the server log.

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--- Comment #7 from flavio.gallucci at gmail.com ---
Thanks. SOLVED

I run sshd in debug mode (sshd -d). 

Root login with password was enable in 6.x versions.
In 7.x releases I had to set in sshd_config 'PermitRootLogin yes'.

I'm sorry and I thanks for the time.
I'm compiling an S.O. from source and I'm testing the applications from
root account too.

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flavio.gallucci at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #8 from Damien Miller <djm at mindrot.org> ---
Close all resolved bugs after 7.3p1 release

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