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Re: [ANN] Guile-SSH 0.15.1 released


From: Aleix Conchillo Flaqué
Subject: Re: [ANN] Guile-SSH 0.15.1 released
Date: Tue, 1 Mar 2022 09:00:36 -0800

Awesome, thank you!

On Mon, Feb 28, 2022 at 10:29 AM Artyom V. Poptsov <poptsov.artyom@gmail.com>
wrote:

> Hello Guilers!
>
> I'm pleased to announce Guile-SSH 0.15.1:
>   https://github.com/artyom-poptsov/guile-ssh/releases/tag/v0.15.1
>
> As usual, this release tag is signed with my GPG key[1].
>
> This is mostly a bugfix release as it fixes some segfaults that occur on
> garbage collecting of sessions and errors on remote side closing.
>
> Many thanks to Ludovic Courtès for useful bug reports that allowed me to
> investigate the observed problems and fix them.
>
>
> * What is Guile-SSH?
>
> Guile-SSH is a library that provides access to the SSH protocol[2] for
> programs written in GNU Guile interpreter.  It is built upon the
> libssh[3] library.
>
> Currently Guile-SSH provides the following features:
>   - The API that is sufficient for building of standalone SSH clients and
>     servers, or for embedding client/server functionality in your lispy
> Scheme
>     applications.
>   - Several authentication methods are supported, including password
>     authentication, public key and SSH agent authentication methods.
>   - Key management procedures: you can make key pairs, read keys from
> files,
>     get key hashes, get public keys from private keys etc.  DSS, RSA, RSA1
> and
>     ECDSA (by means of OpenSSL) are supported.
>   - Port forwarding procedures and high-level API for creating of SSH
> tunnels.
>   - Distributed forms ('dist-map', 'distribute', ...) that allow to spread
> the
>     evaluation of Scheme code between remote hosts.  Or you can just
> connect
>     to a remote REPL from Scheme using 'with-ssh' procedure and evaluate
> some
>     expressions.  No special server needed on the remote side, just an SSH
>     daemon and GNU Guile installed!
>   - SFTP client API allows you to read and write remote files over the SSH
>     protocol right from the Scheme code.
>   - Remote popen API that allows you to make either input, output or
>     bidirectional pipes to remote processes.
>   - Detailed documentation in Texinfo format with examples included, even
> more
>     examples in 'examples' directory.
>   - Procedures for interaction with SSH agents.
>
>
> * The list of user-visible changes
>
> Here's the list of user-visible changes (an excerpt from NEWS file):
>
> --8<---------------cut here---------------start------------->8---
> * Changes in version 0.15.1 (2022-02-28)
> ** Fix session garbage collecting errors
>    When a session is being destroyed by the Guile GC, the session garbage
>    collector procedures try to close all the session channels.  There was a
>    bug that lead to accessing elements that are over the border of a
> channels
>    list.
>
>    Now the bug should be fixed.
>
>    Reported by Ludovic Courtès <ludo@gnu.org> in an email, here:
>    <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=52975>
> ** Fix segfaults that occur on session closing
>    When a remote side closing a channel Guile-SSH would fail as the libssh
>    callback that marks the Guile-SSH channel as closed tried to convert a
>    Guile channel object to the channel data and fails to do it.
>
>    Now the problem should be fixed.
>
>    Reported by Ludovic Courtès <ludo@gnu.org> in an email, here:
>    <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=52975>
> ** Add GNU Guix package definition to the repository
>    Add =guix.scm= to the repository.  The file contains GNU Guix package
>    definition that allows to build Guile-SSH from Git.
> --8<---------------cut here---------------end--------------->8---
>
>
> Many thanks to all the people who helped me with bug reports, pull
> requests and other hints.  I added all contributors to "AUTHORS" and
> "THANKS" files -- please let me know if I forgot to thank someone or
> if there any typos.
>
> - Artyom
>
>
> References:
> 1. https://pgp.mit.edu/pks/lookup?search=0x0898A02F&op=index
> 2. https://en.wikipedia.org/wiki/Secure_Shell
> 3. https://www.libssh.org/
>
> --
> Artyom "avp" Poptsov <poptsov.artyom@gmail.com>
> Home page: https://memory-heap.org/~avp/
> CADR Hackerspace co-founder: https://cadrspace.ru/
> GPG: D0C2 EAC1 3310 822D 98DE  B57C E9C5 A2D9 0898 A02F
>


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