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Anderson Toshiyuki Sasaki f18a7cc17e kex: Do not ignore keys in known_hosts files
Previously, if the SSH_OPTIONS_HOSTKEYS option was set by any mean,
including the client configuration file, the keys in known_hosts files
wouldn't be considered before advertising the list of wanted host keys.

This could result in the client requesting the server to provide a
signature using a key not present in the known_hosts files (e.g. when
the first wanted algorithm in SSH_OPTIONS_HOSTKEYS is not present in the
known_hosts files), causing a host key mismatch and possible key
rejection.

Now, the keys present in the known_hosts files are prioritized over the
other wanted keys.  This do not change the fact that only keys of types
present in the list set in SSH_OPTIONS_HOSTKEYS will be accepted and
prioritized following the order defined by such list.

The new wanted list of hostkeys is given by:
 - The keys present in known_hosts files, ordered by preference defined
   in SSH_OPTIONS_HOSTKEYS.  If the option is not set, a default order
   of preference is used.
 - The other keys present in the same option are appended without adding
   duplicates.  If the option is not set, the default list of keys is
   used.

Fixes: T156

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
2019-07-04 10:29:20 +02:00
2018-08-08 20:58:23 +02:00
2017-08-21 09:12:36 +02:00
2014-01-07 16:08:23 +01:00
2019-06-24 16:01:48 +02:00
2019-06-14 15:22:56 +02:00
2018-11-17 20:11:51 +01:00
2018-08-10 14:18:18 +02:00
2019-02-07 10:30:05 +01:00
2018-08-13 13:44:58 +02:00
2016-05-02 11:55:39 +02:00
2017-02-27 11:49:10 +01:00

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 The SSH library

Why?

Why not ? :) I've began to work on my own implementation of the ssh protocol because i didn't like the currently public ones. Not any allowed you to import and use the functions as a powerful library, and so i worked on a library-based SSH implementation which was non-existing in the free and open source software world.

How/Who?

If you downloaded this file, you must know what it is : a library for accessing ssh client services through C libraries calls in a simple manner. Everybody can use this software under the terms of the LGPL - see the COPYING file

If you ask yourself how to compile libssh, please read INSTALL before anything.

Where ?

https://www.libssh.org

Contributing

Please read the file 'SubmittingPatches' next to this README file. It explains our copyright policy and how you should send patches for upstream inclusion.

Have fun and happy libssh hacking!

The libssh Team

Description
libssh - это мультиплатформенная библиотека C, реализующая протокол SSHv2 на стороне клиента и сервера
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