Daniel Stenberg <daniel_at_haxx.se> writes:
> On Mon, 4 May 2009, J.T. Conklin wrote:
>
>>> A read the known_hosts file(s) and keep a set of hosts/key pair in memory
>>> B compare a host/key with the known set to see if it exists and if so if it
>>> matches the key
>>> C add/replace a host key/key in the in-memory set
>>> D write the in-memory set to a file
>>> E extract an (OpenSSH-compatible) key for key checking - from a connected
>>> session
>
>> But it seems to me, a general purpose library like libssh2 should
>> support fetching and storing known host entries, keys, etc. with a
>> layer of indirection, with replaceable function pointer hooks.
>
> While I don't think we need to do any of that now, as this approach of mine
> doesn't shut the doors for this kind of flexible import/export features, we
> can just as well provide a function for the addition of keys, and have an
> access-function for reading them and that should be pretty much what's needed
> to offer all that functionality.
>
> The functions for reading and writing OpenSSH functions could then use those
> functions.
That sounds good. I think it is important that the APIs doesn't become
OpenSSH specific. It is still important to support OpenSSH-style files,
because they are common and easily testable. The OpenSSH support should
probably be done by auxilliary functions that read OpenSSH files into
some format that is understood by the normal libssh2 API functions.
I wish I had more time to help here..
/Simon
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Received on 2009-05-05