[Bug 1213] ssh-keyscan exits in mid-way

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https://bugzilla.mindrot.org/show_bug.cgi?id=1213

--- Comment #12 from aab at purdue.edu 2011-02-24 04:32:02 EST ---
Ummm.  If you're referring to the "original" patch that I submitted,
It's out-of-date.  It was written before I had a complete(?) handle on
what was going wrong.  Included with this comment is an attachment with
the newer patch against the openssh-5.8p1 source.

A bit of explanation.  Some of the mods are for clarity.  When your
working, as we are, with a large number of hosts, "socket" doesn't tell
you very much as to where the problem is occuring.  Same with "Bad
hostkey alg".

In the patch, I've attempted to allow `ssh-keyscan' to continue if the
encountered problem is external in origin.  Some of the items that you
noticed are (I think) addressed by this patch.

NOTE - NOTE - NOTE - this patch has NOT been completely verified.  The
closed by remote because of LoginGraceTime" outs needs a bad remote
server so that that can be done.  Unfortunately, all of our servers are
playing nice-nice at present.  I did have an earlier buggy variant of
the patch that "tried" to execute the patch code but I screwed up and
generated an infinite loop instead.  The basic code is running as the
`ssh-keyscan' of choice in our setup.

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