;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès ;;; Copyright © 2015, 2016 Alex Kost ;;; Copyright © 2015, 2016 Mark H Weaver ;;; Copyright © 2015 Sou Bunnbu ;;; Copyright © 2016, 2017 Leo Famulari ;;; Copyright © 2016 David Craven ;;; Copyright © 2016 Ricardo Wurmus ;;; Copyright © 2018 Mathieu Othacehe ;;; Copyright © 2019 Efraim Flashner ;;; Copyright © 2019 Tobias Geerinckx-Rice ;;; Copyright © 2019 John Soo ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see . (define-module (gnu services base) #:use-module (guix store) #:use-module (guix deprecation) #:use-module (gnu services) #:use-module (gnu services admin) #:use-module (gnu services shepherd) #:use-module (gnu system pam) #:use-module (gnu system shadow) ; 'user-account', etc. #:use-module (gnu system uuid) #:use-module (gnu system file-systems) ; 'file-system', etc. #:use-module (gnu system mapped-devices) #:use-module ((gnu system linux-initrd) #:select (file-system-packages)) #:use-module (g
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2014, 2017 Julien Lepiller <julien@lepiller.eu>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2021, 2024 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015, 2018-2021, 2023 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016, 2017 Nikita <nikita@n0.is>
;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
;;; Copyright © 2016, 2017, 2018, 2019 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2017 Mekeor Melire <mekeor.melire@gmail.com>
;;; Copyright © 2017, 2018, 2020, 2021, 2022, 2023 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2017–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017 Theodoros Foradis <theodoros@foradis.org>
;;; Copyright © 2017, 2018, 2019 Rutger Helling <rhelling@mykolab.com>
;;; Copyright © 2018 Leo Famulari <leo@famulari.name>
;;; Copyright © 2018 Pierre-Antoine Rouby <contact@parouby.fr>
;;; Copyright © 2019 Tanguy Le Carrour <tanguy@bioneland.org>
;;; Copyright © 2019, 2020 Brett Gilio <brettg@gnu.org>
;;; Copyright © 2019, 2020 Timotej Lazar <timotej.lazar@araneo.si>
;;; Copyright © 2020, 2021 Nicolò Balzarotti <nicolo@nixo.xyz>
;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
;;; Copyright © 2020, 2022 Marius Bakke <marius@gnu.org>
;;; Copyright © 2020 Reza Alizadeh Majd <r.majd@pantherx.org>
;;; Copyright © 2020 Jonathan Brielmaier <jonathan.brielmaier@web.de>
;;; Copyright © 2020 Mason Hock <chaosmonk@riseup.net>
;;; Copyright © 2020, 2021, 2022 Michael Rohleder <mike@rohleder.de>
;;; Copyright © 2020, 2022 Raghav Gururajan <rg@raghavgururajan.name>
;;; Copyright © 2020, 2021 Robert Karszniewicz <avoidr@posteo.de>
;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;; Copyright © 2021, 2023 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
;;; Copyright © 2021, 2024 Vinicius Monego <monego@posteo.net>
;;; Copyright © 2021 jgart <jgart@dismail.de>
;;; Copyright © 2022 Aleksandr Vityazev <avityazev@posteo.org>
;;; Copyright © 2022 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2022 Jai Vetrivelan <jaivetrivelan@gmail.com>
;;; Copyright © 2022 Jack Hill <jackhill@jackhill.us>
;;; Copyright © 2022, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2022 Giovanni Biscuolo <g@xelera.eu>
;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
;;; Copyright © 2023 Yovan Naumovski <yovan@gorski.stream>
;;; Copyright © 2023 gemmaro <gemmaro.dev@gmail.com>
;;; Copyright © 2024 Carlo Zancanaro <carlo@zancanaro.id.au>
;;; Copyright © 2024 Wilko Meyer <w@wmeyer.eu>
;;; Copyright © 2024 Ashish SHUKLA <ashish.is@lostca.se>
;;; Copyright © 2024 Igor Goryachev <igor@goryachev.org>
;;; Copyright © 2024 Nguyễn Gia Phong <mcsinyx@disroot.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages messaging)
  #:use-module (gnu packages)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages aidc)
  #:use-module (gnu packages aspell)
  #:use-module (gnu packages audio)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages avahi)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages check)
  #:use-module (gnu packages certs)
  #:use-module (gnu packages code)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages cpp)
  #:use-module (gnu packages crypto)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages cyrus-sasl)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages docbook)
  #:use-module (gnu packages documentation)
  #:use-module (gnu packages enchant)
  #:use-module (gnu packages erlang)
  #:use-module (gnu packages erlang-xyz)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages freedesktop)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages gnupg)
  #:use-module (gnu packages golang)
  #:use-module (gnu packages golang-build)
  #:use-module (gnu packages golang-web)
  #:use-module (gnu packages golang-xyz)
  #:use-module (gnu packages gperf)
  #:use-module (gnu packages graphviz)
  #:use-module (gnu packages gstreamer)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages hunspell)
  #:use-module (gnu packages icu4c)
  #:use-module (gnu packages image)
  #:use-module (gnu packages kde)
  #:use-module (gnu packages kde-frameworks)
  #:use-module (gnu packages kerberos)
  #:use-module (gnu packages less)
  #:use-module (gnu packages libcanberra)
  #:use-module (gnu packages libevent)
  #:use-module (gnu packages libffi)
  #:use-module (gnu packages libidn)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages logging)
  #:use-module (gnu packages lua)
  #:use-module (gnu packages man)
  #:use-module (gnu packages markup)
  #:use-module (gnu packages matrix)
  #:use-module (gnu packages mpd)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages networking)
  #:use-module (gnu packages nss)
  #:use-module (gnu packages password-utils)
  #:use-module (gnu packages pcre)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages photo)
  #:use-module (gnu packages php)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages protobuf)
  #:use-module (gnu packages python)
  #:use-module (gnu packages python-build)
  #:use-module (gnu packages python-check)
  #:use-module (gnu packages python-crypto)
  #:use-module (gnu packages python-web)
  #:use-module (gnu packages python-xyz)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages regex)
  #:use-module (gnu packages ruby)
  #:use-module (gnu packages sphinx)
  #:use-module (gnu packages sqlite)
  #:use-module (gnu packages tcl)
  #:use-module (gnu packages telephony)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages textutils)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages video)
  #:use-module (gnu packages vulkan)
  #:use-module (gnu packages web)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system copy)
  #:use-module (guix build-system go)
  #:use-module (guix build-system glib-or-gtk)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system meson)
  #:use-module (guix build-system perl)
  #:use-module (guix build-system python)
  #:use-module (guix build-system pyproject)
  #:use-module (guix build-system rebar)
  #:use-module (guix build-system qt)
  #:use-module (guix build-system trivial)
  #:use-module (guix download)
  #:use-module (guix gexp)
  #:use-module (guix git-download)
  #:use-module (guix hg-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix utils))

(define-public biboumi
  (package
   (name "biboumi")
   (version "9.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://git.louiz.org/biboumi/snapshot/biboumi-"
                                  version ".tar.xz"))
              (sha256
               (base32 "1jvygri165aknmvlinx3jb8cclny6cxdykjf8dp0a3l3228rmzqy"))
              ;; see https://sources.debian.org/patches/biboumi/9.0-5/2001_cmake_ignore_git.patch/
              (patches (search-patches "biboumi-cmake-ignore-git.patch"))))
   (arguments
    ;; Tests seem to partially depend on networking as well as
    ;; louiz/Catch which we remove as a dependency via the patch above as
    ;; the repository seems dead. Deactivating those for now, possibly fix
    ;; some of them later.
    `(#:tests? #f
      #:configure-flags '("-DWITHOUT_SYSTEMD=1")
      #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-cmake-substitutions
           (lambda* (#:key outputs #:allow-other-keys)
             (substitute* "CMakeLists.txt"
               (("/etc") (string-append (assoc-ref outputs "out") "/etc"))))))))
   (build-system cmake-build-system)
   (inputs (list botan
                 expat
                 libiconv
                 libidn
                 openssl
                 postgresql ;; libpq
                 sqlite
                 ;; TODO: package optional dependency: udns
                 (list util-linux "lib") ;; libuuid
                 pkg-config))
   (home-page "https://biboumi.louiz.org")
   (synopsis "Biboumi is a XMPP gateway that connects to IRC")
   (description "Biboumi is a Free, Libre and Open Source XMPP gateway that connects to IRC
servers and translates between the two protocols. Its goal is to let XMPP
users take part in IRC discussions, using their favourite XMPP client.")
   (license license:zlib)))

(define-public omemo-wget
  (package
    (name "omemo-wget")
    (version "0.3.0")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url "https://github.com/roobre/omemo-wget")
         (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0s3vfaicw5xbjl9yiyr4ckrzhzqbvfh1w2ih1igavlfpgw4v7kva"))))
    (build-system go-build-system)
    (arguments
     `(#:import-path "github.com/roobre/omemo-wget"
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch
           (lambda* (#:key inputs #:allow-other-keys)
             (let* ((xdg-utils (assoc-ref inputs "xdg-utils"))
                    (xdg-open (string-append xdg-utils "/bin/xdg-open")))
               (substitute* (find-files "." "\\.go$")
                 ;; Correct the import path of 'aesgcm' package.
                 (("roob\\.re/omemo-wget/aesgcm")
                  "github.com/roobre/omemo-wget/aesgcm")
                 ;; Use absolute path of 'xdg-open' program.
                 (("xdg-open") xdg-open))))))))
    (inputs
     (list go-github-com-pkg-errors xdg-utils))
    (home-page "https://roob.re/omemo-wget")
    (synopsis "Program to download and decrypt @code{aesgcm://} URLs")
    (description "OMEMO-wget is a tool to handle cryptographic URLs, generated
by @acronym{OMEMO, OMEMO Multi-End Message and Object Encryption}, during
XMPP-based sessions.")
    (license license:lgpl3+)))

(define-public libgnt
  (package
    (name "libgnt")
    (version "2.14.3")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "mirror://sourceforge/pidgin/libgnt/"
                       version "/libgnt-" version ".tar.xz"))
       (sha256
        (base32 "08v14fjcx2wx6c573wllq015l6zc8qkpz8rrl6qhp7crf9zlbxap"))))
    (build-system meson-build-system)
    (outputs '("out" "doc"))
    (arguments
     (list #:glib-or-gtk? #t         ; To wrap binaries and/or compile schemas
           #:configure-flags #~'("-Dpython2=false")
           #:phases
           #~(modify-phases %standard-phases
               (add-after 'unpack 'patch-ncurses-path
                 (lambda* (#:key inputs #:allow-other-keys)
                   (substitute* "meson.build"
                     (("'/usr'")
                      (string-append "'" #$(this-package-input "ncurses")
                                     "'")))))
               (add-after 'install 'move-doc
                 (lambda _
                   (mkdir-p (string-append #$output:doc "/share"))
                   (rename-file
                    (string-append #$output "/share/gtk-doc")
                    (string-append #$output:doc "/share/gtk-doc")))))))
    (native-inputs
     (list docbook-xml-4.1.2
           `(,glib "bin")
           gobject-introspection
           gtk-doc/stable
           pkg-config))
    (inputs (list libxcrypt ncurses))
    (propagated-inputs (list glib libxml2))
    (synopsis "GLib Ncurses Toolkit")
    (description "GNT is an ncurses toolkit for creating text-mode graphical
user interfaces in a fast and easy way.  It is based on GLib and ncurses.")
    (home-page "https://keep.imfreedom.org/libgnt/libgnt")
    (license license:gpl2+)))

(define-public libgadu
  (package
    (name "libgadu")
    (version "1.12.2")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url "https://github.com/wojtekka/libgadu.git")
         (commit version)))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "1s16cripy5w9k12534qb012iwc5m9qcjyrywgsziyn3kl3i0aa8h"))))
    (build-system gnu-build-system)
    (arguments
     ;; 'test/manual/userconfig.h' contains definitions in lieu of
     ;; declarations, hence '-fcommon'.
     `(#:configure-flags
       (list "--disable-static" "CFLAGS=-O2 -g -fcommon")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-shebangs
           (lambda* (#:key inputs #:allow-other-keys)
             (substitute* "protobufgen.sh"
               (("/bin/sh")
                (search-input-file inputs "/bin/sh"))))))))
    (native-inputs
     (list autoconf
           automake
           bash
           doxygen
           libtool
           perl
           pkg-config))
    (inputs
     `(("curl" ,curl)
       ("expat" ,expat)
       ("libprotobuf-c" ,protobuf-c)
       ("libxml" ,libxml2)
       ("openssl" ,openssl)
       ("zlib" ,zlib)))
    (propagated-inputs
     (list gnutls))
    (synopsis "Library for handling the protocol of Gadu-Gadu")
    (description "LibGadu is library for handling Gadu-Gadu instant messenger
protocol.  The library is written in C and aims to be operating system and
environment independent.")
    (home-page "https://libgadu.net/index.en.html")
    (license license:lgpl2.1+)))

(define-public silc-toolkit
  (package
    (name "silc-toolkit")
    (version "1.1.12")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "mirror://sourceforge/silc/silc/toolkit/sources/silc-toolkit-"
                       version ".tar.gz"))
       (sha256
        (base32 "0mnvf9n7qriadg0p7a8qmvcayhnns2g9fhmcymavlm0v8xrky33y"))))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags
       (list
        "--disable-static"
        "--enable-ipv6"
        "--enable-stack-trace")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'trigger-bootstrap
           (lambda _
             (delete-file "configure")
             (delete-file "Makefile.in")
             #t)))))
    (native-inputs
     (list autoconf automake libtool perl pkg-config))
    (synopsis "SILC ToolKit")
    (description "SILC (Secure Internet Live Conferencing) is a modern and secure
conferencing protocol.  It provides all the common conferencing services like
private messages, instant messages, channels and groups, and video and audio
conferencing.")
    (home-page "https://silc.github.io/info")
    (license
     ;; Dual-licensed
     (list
      license:gpl2+
      license:bsd-2))))

(define-public qxmpp
  (package
    (name "qxmpp")
    (version "1.4.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/qxmpp-project/qxmpp")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "1knpq1jkwk0lxdwczbmzf7qrjvlxba9yr40nbq9s5nqkcx6q1c3i"))))
    (build-system cmake-build-system)
    (arguments
     `(#:configure-flags (list "-DBUILD_EXAMPLES=false"
                               "-DWITH_GSTREAMER=true")
       #:phases
       (modify-phases %standard-phases
         (replace 'check
           (lambda* (#:key tests? #:allow-other-keys)
             (when tests?
               (invoke "ctest" "-E"
                       (string-join ;; These tests use the network.
                        (list "tst_qxmppiceconnection"
                              "tst_qxmppcallmanager"
                              "tst_qxmpptransfermanager")
                        "|"))))))))
    (native-inputs
     (list pkg-config))
    (inputs
     (list gstreamer qtbase-5))
    (home-page "https://github.com/qxmpp-project/qxmpp")
    (synopsis "XMPP client and server library")
    (description
     "QXmpp is a XMPP client and server library written in C++ and uses the Qt
framework.  It builds XMPP clients complying with the XMPP Compliance Suites
2021 for IM and Advanced Mobile.")
    (license license:lgpl2.1+)))

(define-public meanwhile
  (package
    (name "meanwhile")
    (version "1.1.1")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url "https://github.com/obriencj/meanwhile.git")
         (commit
          (string-append "v" version))))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "1k1gvmx1ikm0y1mdmm495rzkb00pl170jfaf2dy0n5aiiknkk7q3"))))
    (build-system glib-or-gtk-build-system)
    (native-inputs
     (list autoconf automake doxygen libtool pkg-config))
    (propagated-inputs
     (list glib))
    (synopsis "Library for Lotus Instant Messaging")
    (description "Meanwhile is a library for connecting to a LIM (Lotus Instant
Messaging, formerly Lotus Sametime, formerly VPBuddy) community.  It uses a
protocol based in part off of the IMPP draft(*1), and in part off of traces of
TCP sessions from existing clients.")
    (home-page "https://github.com/obriencj/meanwhile")
    (license license:lgpl3)))

(define-public poezio
  (package
    (name "poezio")
    (version "0.14")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url "https://lab.louiz.org/poezio/poezio.git")
         (commit
          (string-append "v" version))))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "15vlmymqlcf94h1g6dvgzjvj15c47dqsm78qs40wl2dlwspvqkxj"))))
    (build-system python-build-system)
    (arguments
      (list #:tests? #f ; tests fails without the OTR plugin
            #:phases
            #~(modify-phases %standard-phases
                (add-after 'unpack 'patch
                  (lambda _
                    (substitute* "setup.py"
                      (("'CC', 'cc'")
                       "'CC', 'gcc'")))))))
    (native-inputs
     (list pkg-config python-setuptools python-sphinx))
    (inputs
     (list python-mpd2
           python-pyasn1
           python-pyasn1-modules
           python-pygments
           python-pyinotify
           python-qrcode
           python-slixmpp
           python-typing-extensions))
    (synopsis "Console Jabber/XMPP Client")
    (description "Poezio is a free console XMPP client (the protocol on which
the Jabber IM network is built).
Its goal is to let you connect very easily (no account creation needed) to the
network and join various chatrooms, immediately.  It tries to look like the
most famous IRC clients (weechat, irssi, etc).  Many commands are identical and
you won't be lost if you already know these clients.  Configuration can be
made in a configuration file or directly from the client.
You'll find the light, fast, geeky and anonymous spirit of IRC while using a
powerful, standard and open protocol.")
    (home-page "https://poez.io/en/")
    (license license:gpl3+)))

(define-public libotr
  (package
    (name "libotr")
    (version "4.1.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://otr.cypherpunks.ca/libotr-"
                           version ".tar.gz"))
       (sha256
        (base32 "1x8rliydhbibmzwdbyr7pd7n87m2jmxnqkpvaalnf4154hj1hfwb"))
       (modules '((guix build utils)))
       (snippet
        ;; Add missing #include that causes a build failure with glibc 2.35.
        #~(substitute* "tests/regression/client/client.c"
            (("_GNU_SOURCE" all)
             (string-append all "\n#include <sys/socket.h>\n"))))
       (patches
        (search-patches "libotr-test-auth-fix.patch"))))
    (build-system gnu-build-system)
    (native-inputs
     (list perl))                 ; for the test suite
    (inputs
     (list libgpg-error))
    (propagated-inputs
     (list libgcrypt))    ; libotr headers include gcrypt.h
    (synopsis "Off-the-Record (OTR) Messaging Library and Toolkit")
    (description "OTR allows you to have private conversations over instant
messaging by providing: (1) Encryption: No one else can read your instant
messages.  (2) Authentication: You are assured the correspondent is who you
think it is.  (3) Deniability: The messages you send do not have digital
signatures that are checkable by a third party.  Anyone can forge messages
after a conversation to make them look like they came from you.  However,
during a conversation, your correspondent is assured the messages he sees are
authentic and unmodified.  (4) Perfect forward secrecy: If you lose control of
your private keys, no previous conversation is compromised.")
    (home-page "https://otr.cypherpunks.ca/")
    (license
     (list
      ;; Library
      license:lgpl2.1+
      ;; Others
      license:gpl2+))))

(define-public libsignal-protocol-c
  (package
   (name "libsignal-protocol-c")
   (version "2.3.3")
   (source (origin
            (method git-fetch)
            (uri (git-reference
                   (url "https://github.com/WhisperSystems/libsignal-protocol-c")
                   (commit (string-append "v" version))))
            (file-name (git-file-name name version))
            (sha256
             (base32
              "0z5p03vk15i6h870azfjgyfgxhv31q2vq6rfhnybrnkxq2wqzwhk"))))
   (arguments
    `(;; Required for proper linking and for tests to run.
      #:configure-flags '("-DBUILD_SHARED_LIBS=on" "-DBUILD_TESTING=1")))
   (build-system cmake-build-system)
   (inputs (list ;; Required for tests:
                 check openssl))
   (native-inputs (list pkg-config))
   (home-page "https://github.com/WhisperSystems/libsignal-protocol-c")
   (synopsis "Implementation of a ratcheting forward secrecy protocol")
   (description "libsignal-protocol-c is an implementation of a ratcheting
forward secrecy protocol that works in synchronous and asynchronous
messaging environments.  It can be used with messaging software to provide
end-to-end encryption.")
   (license license:gpl3+)))

(define-public axc
  (package
    (name "axc")
    (version "0.3.7")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/gkdr/axc")
             (commit (string-append "v" version))))
       (modules '((guix build utils)))
       (snippet
        `(begin
           ;; Empty directories meant to hold submodules that we provide as
           ;; proper inputs below.
           (delete-file-recursively "lib")))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "0b02b9flri374f8aw6xfz7mm9s57rb7393r8mdphv7kcsf76i7i5"))))
    (build-system cmake-build-system)
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (replace 'configure
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let ((out (assoc-ref outputs "out")))
                        (setenv "CC" "gcc")
                        (setenv "PREFIX" out)))))
       #:parallel-tests? #f))
    (native-inputs (list cmocka pkg-config))
    (inputs (list glib libgcrypt libsignal-protocol-c sqlite))
    (synopsis "Client library for libsignal-protocol-c")
    (description "This is a client library for @code{libsignal-protocol-c}.
It implements the necessary interfaces using @code{libgcrypt} and
@code{sqlite}.")
    (home-page "https://github.com/gkdr/axc")
    (license license:gpl3)))                  ;GPLv3-only, per license headers

(define-public libomemo
  (package
    (name "libomemo")
    (version "0.7.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/gkdr/libomemo")
             (commit (string-append "v" version))))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "1q3vyj8zk3vm0a4v6w8qya5dhk2yw04bga8799a0zl6907nf122k"))))
    (build-system cmake-build-system)
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (replace 'configure
                    (lambda* (#:key outputs #:allow-other-keys)
                      (let ((out (assoc-ref outputs "out")))
                        (setenv "CC" "gcc")
                        (setenv "PREFIX" out)))))
       #:parallel-tests? #f))
    (native-inputs (list cmocka pkg-config))
    (inputs (list glib libgcrypt minixml sqlite))
    (synopsis "OMEMO C library")
    (description "This library implements @acronym{OMEMO, OMEMO Multi-End
Message and Object Encryption} of XMPP (XEP-0384) in C.")
    (home-page "https://github.com/gkdr/libomemo")
    (license license:expat)))

(define-public bitlbee
  (package
    (name "bitlbee")
    (version "3.6")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://get.bitlbee.org/src/bitlbee-"
                                  version ".tar.gz"))
              (sha256
               (base32 "0zhhcbcr59sx9h4maf8zamzv2waya7sbsl7w74gbyilvy93dw5cz"))))
    (build-system gnu-build-system)
    (native-inputs (list pkg-config
                         ;; Note: Change to 'check' for versions > 3.6.
                         check-0.12))
    (inputs (list glib libotr gnutls python perl))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-before 'configure 'set-python
           (lambda _ (setenv "PYTHON" (which "python3")) #t))
         (add-after 'install 'install-etc
           (lambda* (#:key (make-flags '()) #:allow-other-keys)
             (apply invoke "make" "install-etc" make-flags)))
         (add-after 'install-etc 'install-lib
           (lambda* (#:key (make-flags '()) #:allow-other-keys)
             (apply invoke "make" "install-dev" make-flags)))
         (replace 'configure
           ;; bitlbee's configure script does not tolerate many of the
           ;; variable settings that Guix would pass to it.
           (lambda* (#:key outputs #:allow-other-keys)
             (invoke "./configure"
                     (string-append "--prefix="
                                    (assoc-ref outputs "out"))
                     "--otr=1"))))))
    (synopsis "IRC to instant messaging gateway")
    (description "BitlBee brings IM (instant messaging) to IRC clients, for
people who have an IRC client running all the time and don't want to run an
additional IM client.  BitlBee currently supports XMPP/Jabber (including
Google Talk), MSN Messenger, Yahoo!  Messenger, AIM and ICQ, and the Twitter
microblogging network (plus all other Twitter API compatible services like
identi.ca and status.net).")
    (home-page "https://www.bitlbee.org/")
    (license (list license:gpl2+ license:bsd-2))))

(define-public bitlbee-purple
  ;; This variant uses libpurple, which provides support for more protocols at
  ;; the expense of a much bigger closure.
  (package/inherit bitlbee
    (name "bitlbee-purple")
    (synopsis "IRC to instant messaging gateway (using Pidgin's libpurple)")
    (inputs (modify-inputs (package-inputs bitlbee)
              (prepend pidgin)))
    (native-search-paths
     (list (search-path-specification
            (variable "PURPLE_PLUGIN_PATH")
            ;; XXX: Should be (version-major (package-version pidgin)) but
            ;; can't due to circular references.
            (files (list (string-append "lib/purple-2")
                         "lib/pidgin")))))
    (arguments
     (substitute-keyword-arguments (package-arguments bitlbee)
       ((#:phases phases '%standard-phases)
        `(modify-phases ,phases
           (replace 'configure                    ;add "--purple=1"
             (lambda* (#:key outputs #:allow-other-keys)
               (invoke "./configure"
                       (string-append "--prefix="
                                      (assoc-ref outputs "out"))
                       "--otr=1" "--purple=1")))))
       ((#:tests? _ #t)
        ;; XXX: Tests fail to link, and ./configure says that it's "supported
        ;; on a best-effort basis" anyway.
        #f)))))

(define-public bitlbee-discord
  ;; Version 0.4.3 of bitlbee-discord was prepared to work for
  ;; glib@2.68. However, version 2.69 of glib introduced a breaking change
  ;; causing bitlbee-discord to throw:
  ;;
  ;; discord - Login error: Failed to switch to websocket mode
  ;;
  ;; This makes the plugin unable to connect and therefore unusable:
  ;; https://github.com/sm00th/bitlbee-discord/issues/226
  ;; The specified commit fixes incompatibility with glib@2.69 and newer.
  (let ((commit "607f9887ca85f246e970778e3d40aa5c346365a7")
        (revision "1"))
    (package
      (name "bitlbee-discord")
      (version (git-version "0.4.3" revision commit))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/sm00th/bitlbee-discord")
               (commit commit)))
         (file-name (git-file-name name version))
         (sha256
          (base32 "0jkwhx2walx2ay0vc9x13q0j1qq4r5x30ss03a3j7ks28xvsnxc7"))))
      (build-system gnu-build-system)
      (arguments
       `(#:configure-flags
         (let ((out (assoc-ref %outputs "out")))
           (list (string-append "--with-bdatadir=" out "/share/bitlbee/")
                 (string-append "--with-plugindir=" out "/lib/bitlbee/")))
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'patch-autogen
             (lambda _
               (let ((sh (which "sh")))
                 (substitute* "autogen.sh" (("/bin/sh") sh))
                 (setenv "CONFIG_SHELL" sh)))))))
      (inputs (list glib))
      (native-inputs (list pkg-config
                           autoconf
                           automake
                           texinfo
                           libtool
                           bitlbee ; needs bitlbee headers
                           bash))
      (synopsis "Discord plugin for Bitlbee")
      (description "Bitlbee-discord is a plugin for Bitlbee which provides
access to servers running the Discord protocol.")
      (home-page "https://github.com/sm00th/bitlbee-discord/")
      (license license:gpl2+))))

(define-public purple-mattermost
  ;; The latest release (1.2) only supports Mattermost's /api/v3.  Choose a
  ;; commit that supports /api/v4.
  (let ((commit "158ce2052af9aaf3d1f6f045f0cfba276e0e91cf")
        (revision "0"))
    (package
      (name "purple-mattermost")
      (version (git-version "1.2" revision commit))
      (home-page "https://github.com/EionRobb/purple-mattermost")
      (source (origin
                (method git-fetch)
                (uri (git-reference (url home-page)
                                    (commit commit)))
                (file-name (git-file-name name version))
                (sha256
                 (base32
                  "1481zm20pnfq52ncg7hxayjq8cw3a6yh9m4jm1m5s8chsq04015l"))))
      (build-system gnu-build-system)
      (arguments
       `(#:phases (modify-phases %standard-phases
                    (replace 'configure
                      (lambda* (#:key inputs outputs #:allow-other-keys)
                        ;; Adjust the makefile to install files in the right
                        ;; place.
                        (let ((out (assoc-ref outputs "out")))
                          (substitute* "Makefile"
                            (("MATTERMOST_DEST = .*")
                             (string-append "MATTERMOST_DEST = " out
                                            "/lib/purple-2\n")) ;XXX: hardcoded
                            (("MATTERMOST_ICONS_DEST = .*")
                             (string-append "MATTERMOST_ICONS_DEST = "
                                            out
                                            "/share/pixmaps/pidgin/protocols\n")))
                          #t))))
         #:make-flags (list "CC=gcc"
                            ,(string-append "PLUGIN_VERSION=" version))
         #:tests? #f))
      (inputs (list glib json-glib discount pidgin))
      (native-inputs (list pkg-config))
      (synopsis "Purple plug-in to access Mattermost instant messaging")
      (description
       "Purple-Mattermost is a plug-in for Purple, the instant messaging library
used by Pidgin and Bitlbee, among others, to access
@uref{https://mattermost.com/, Mattermost} servers.")
      (license license:gpl3+))))

(define-public hexchat
  (package
    (name "hexchat")
    (version "2.16.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/hexchat/hexchat/releases/"
                           "download/v" version "/hexchat-" version ".tar.xz"))
       (sha256
        (base32 "0jhfg6n9r6fn9ld21pdzdz6210d7dms401zcfdrvhx52il53921f"))))
    (build-system meson-build-system)
    (native-inputs
     (list gettext-minimal
           `(,glib "bin")               ;need glib-genmarshal
           perl
           pkg-config))
    (inputs
     (list dbus-glib
           dbus
           enchant
           gtk+-2
           libcanberra
           openssl

           ;; Bindings for add-on scripts.
           luajit
           perl-xml-parser
           python
           python-cffi

           ;; For the ensuing WRAP-PROGRAM.
           bash-minimal))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'skip-desktop-database-updates
           (lambda _
             ;; The build scripts update icon and desktop file databases when
             ;; DESTDIR is not set.  We can't update these databases from
             ;; within the build chroot, but we also don't set DESTDIR.  So, we
             ;; just skip this code.
             (substitute* "meson_post_install.py"
               (("if 'DESTDIR' not in os.environ:")
                "if False:"))))
         (add-after 'install 'wrap-program
           ;; Let it ‘initialize the Python-CFFI embedding logic’ at run time.
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (bin (string-append out "/bin")))
               (wrap-program (string-append bin "/hexchat")
                 `("GUIX_PYTHONPATH" ":" prefix
                   (,(getenv "GUIX_PYTHONPATH"))))))))))
    (synopsis "Graphical IRC client")
    (description
     "HexChat lets you connect to multiple IRC networks at once.  The main
window shows the list of currently connected networks and their channels, the
current conversation and the list of users.  It uses colors to differentiate
between users and to highlight messages.  It checks spelling using available
dictionaries.  HexChat can be extended with multiple addons.")
    (home-page "https://hexchat.net/")
    (license license:gpl2+)))

(define-public ngircd
  (package
    (name "ngircd")
    (version "26.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://arthur.barton.de/pub/ngircd/ngircd-"
                                  version ".tar.xz"))
              (sha256
               (base32
                "0m32v0c7mq96rshws4h6d0pi4bm0hynfzx3x01mgrxh9c396zham"))
              (patches (search-patches "ngircd-handle-zombies.patch"))))
    (build-system gnu-build-system)
    ;; Needed for the test suite.
    (native-inputs (list procps expect inetutils openssl))
    ;; XXX Add libident.
    (inputs `(("zlib" ,zlib)
              ("libwrap" ,tcp-wrappers)
              ("gnutls" ,gnutls)
              ,@(if (string-suffix? "-linux"
                                    (or (%current-target-system)
                                        (%current-system)))
                    `(("linux-pam" ,linux-pam))
                    '())))
    (arguments
     `(#:configure-flags
       '("--with-gnutls" "--with-iconv" "--enable-ipv6" "--with-tcp-wrappers"
         ,@(if (string-suffix? "-linux"
                               (or (%current-target-system)
                                   (%current-system)))
               '("--with-pam")
               '()))
       #:phases
       (modify-phases %standard-phases
         ;; Necessary for the test suite.
         (add-after 'configure 'post-configure
           (lambda _
             (substitute* "src/ngircd/Makefile"
               (("/bin/sh") (which "sh")))
             ;; The default getpid.sh does a sloppy grep over 'ps -ax' output,
             ;; which fails arbitrarily.
             (with-output-to-file "src/testsuite/getpid.sh"
               (lambda ()
                 (display
                  (string-append
                   "#!" (which "sh") "\n"
                   "ps -C \"$1\" -o pid=\n"))))
             ;; Our variant of getpid.sh does not match interpreter names
             ;; when the script's shebang is invoked directly as "./foo".
             ;; Patch cases where the test suite relies on this.
             (substitute* "src/testsuite/start-server.sh"
               ;; It runs 'getpid.sh sh' to test if it works at all.  Run it on
               ;; 'make' instead.
               (("getpid.sh sh") "getpid.sh make")))))))
    (home-page "https://ngircd.barton.de/")
    (synopsis "Lightweight Internet Relay Chat server for small networks")
    (description
     "ngIRCd is a lightweight @dfn{Internet Relay Chat} (IRC) server for small
or private networks.  It is easy to configure, can cope with dynamic IP
addresses, and supports IPv6, SSL-protected connections, as well as PAM for
authentication.")
    (license license:gpl2+)))

(define-public pidgin
  (package
    (name "pidgin")
    (version "2.14.13")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "mirror://sourceforge/pidgin/Pidgin/"
                       version "/pidgin-" version ".tar.bz2"))
       (sha256
        (base32 "1a3by4niw5ls67mwgj20p2mr317zj4hzysi5glm9mq0pivf4j00j"))
       (patches
        (search-patches "pidgin-add-search-path.patch"))
       (modules '((guix build utils)))
       (snippet
        '(begin
           ;; Remove stale generated file after applying patches.
           (delete-file "configure")
           #t))))
    (build-system glib-or-gtk-build-system)
    (native-inputs
     (list autoconf ;; For bootstrap
           automake ;; For bootstrap
           check
           graphviz
           gconf
           intltool
           libtool ;; For bootstrap
           pkg-config))
    (inputs
     (list avahi
           cyrus-sasl
           dbus
           dbus-glib
           ;; evolution-data-server
           farstream
           gnutls
           gstreamer
           ;; gtkspell2
           libgadu
           libgcrypt
           libice
           libidn
           libltdl
           libsm
           libx11
           libxext
           libxml2
           libxscrnsaver
           libxslt
           ;; libzephyr
           meanwhile
           ncurses
           network-manager
           nspr
           nss
           nss-certs
           pango
           perl
           python-wrapper
           python-dbus
           silc-toolkit
           sqlite
           startup-notification
           tcl
           tk))
    (propagated-inputs
     ;; Required by finch.pc, pidgin.pc and purple.pc
     (list glib gtk+-2 libgnt))
    (arguments
     `(#:configure-flags
       (list
        (string-append "CFLAGS=-I"
                       (assoc-ref %build-inputs "gst-plugins-base")
                       "/include/gstreamer-1.0")
        "--disable-gtkspell"
        "--disable-gevolution"
        "--enable-cap"
        "--enable-cyrus-sasl"
        ;; Use nss-certs instead of bundled ones.
        (string-append "--with-system-ssl-certs="
                       (assoc-ref %build-inputs "nss-certs")
                       "/etc/ssl/certs")
        (string-append "--with-ncurses-headers="
                       (assoc-ref %build-inputs "ncurses")
                       "/include")
        (string-append "--with-tclconfig="
                       (assoc-ref %build-inputs "tcl")
                       "/lib")
        (string-append "--with-tkconfig="
                       (assoc-ref %build-inputs "tk")
                       "/lib"))))
    (native-search-paths
     (list
      (search-path-specification
       (variable "PURPLE_PLUGIN_PATH")
       (files
        (list
         (string-append "lib/purple-"
                        (version-major version))
         "lib/pidgin")))))
    (home-page "https://www.pidgin.im/")
    (synopsis "Graphical multi-protocol instant messaging client")
    (description "Pidgin is a modular instant messaging client that supports
many popular chat protocols.")
    (license
     (list
      license:gpl2+   ; Most of the code
      license:lgpl2.1 ; GG protocol plugin (libpurple/protocols/gg/lib)
      license:lgpl2.0+ ; OSCAR protocol plugin (libpurple/protocols/oscar)
      ;; The following licenses cover the zephyr protocol plugin:
      (license:non-copyleft
       "file://libpurple/protocols/zephyr/mit-copyright.h"
       "See libpurple/protocols/zephyr/mit-copyright.h in the distribution.")
      (license:non-copyleft
       "file://libpurple/protocols/zephyr/mit-sipb-copyright.h"
       "See libpurple/protocols/zephyr/mit-sipb-copyright.h in the distribution.")))))

(define-public pidgin-otr
  (package
    (name "pidgin-otr")
    (version "4.0.2")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "https://otr.cypherpunks.ca/"
                       name "-" version ".tar.gz"))
       (sha256
        (base32 "1i5s9rrgbyss9rszq6c6y53hwqyw1k86s40cpsfx5ccl9bprxdgl"))))
    (build-system gnu-build-system)
    (native-inputs
     (list gettext-minimal intltool pkg-config))
    (inputs
     (list glib
           gtk+-2
           libgcrypt
           libgpg-error
           libotr
           perl
           pidgin))
    (home-page "https://otr.cypherpunks.ca/")
    (synopsis "Off-the-Record Messaging plugin for Pidgin")
    (description "Pidgin-OTR is a plugin that adds support for OTR to the Pidgin
instant messaging client.  OTR (Off-the-Record) Messaging allows you to have
private conversations over instant messaging by providing: (1) Encryption: No
one else can read your instant messages.  (2) Authentication: You are assured
the correspondent is who you think it is.  (3) Deniability: The messages you
send do not have digital signatures that are checkable by a third party.  Anyone
can forge messages after a conversation to make them look like they came from
you.  However, during a conversation, your correspondent is assured the messages
he sees are authentic and unmodified.  (4) Perfect forward secrecy: If you lose
control of your private keys, no previous conversation is compromised.")
    (license license:gpl2+)))

(define-public znc
  (package
    (name "znc")
    (version "1.9.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://znc.in/releases/archive/znc-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0g2gi7207lydmm7zdq52ivw0vhvbnmhsybi89q5m3bcsw60cz9z8"))))
    (build-system cmake-build-system)
    (arguments
     `(#:configure-flags
       (list "-DWANT_CYRUS=ON"
             "-DWANT_I18N=ON"
             "-DWANT_PERL=ON"
             "-DWANT_PYTHON=ON")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'unpack-googletest
           ;; Copy the googletest sources to where the CMake build expects them.
           (lambda* (#:key inputs #:allow-other-keys)
             (let ((source (assoc-ref inputs "googletest-source"))
                   (target "third_party/googletest"))
               (mkdir-p target)
               (copy-recursively source target)))))))
    (native-inputs
     `(("boost" ,boost)
       ("gettext" ,gettext-minimal)
       ("googletest-source" ,(package-source googletest))
       ("pkg-config" ,pkg-config)))
    (inputs
     ;; FIXME: Package cctz and remove the bundled copy from the source tarball.
     (list argon2
           cyrus-sasl
           icu4c
           openssl
           perl
           python
           zlib))
    (home-page "https://wiki.znc.in/ZNC")
    (synopsis "IRC network bouncer")
    (description "ZNC is an @dfn{IRC network bouncer} or @dfn{BNC}.  It can
detach the client from the actual IRC server, and also from selected channels.
Multiple clients from different locations can connect to a single ZNC account
simultaneously and therefore appear under the same nickname on IRC.")
    (license license:asl2.0)))

(define-public python-nbxmpp
  (package
    (name "python-nbxmpp")
    (version "4.2.2")
    (source
     (origin
       (method url-fetch)
       (uri (pypi-uri "nbxmpp" version))
       (sha256
         (base32 "095nyy6vjildhrqigxk6vsh49in6mx17bvb3z5zpjmzhv9b8ix46"))))
    (build-system pyproject-build-system)
    (arguments
     (list
      #:phases
      #~(modify-phases %standard-phases
          ;; XXX: This probably should be an option for pyproject-build-system
          (replace 'check
            (lambda* (#:key tests? #:allow-other-keys)
              (when tests? (invoke "python" "-m" "unittest" "-v")))))))
    (native-inputs (list `(,glib "bin")))
    (inputs
     (list glib
           glib-networking
           libsoup-minimal
           python-gssapi
           python-idna
           python-precis-i18n
           python-pygobject))
    (synopsis "Non-blocking XMPP Module")
    (description "Python-nbxmpp is a Python library that provides a way for
Python applications to use the XMPP network.  This library was initially a fork
of xmpppy.")
    (home-page "https://dev.gajim.org/gajim/python-nbxmpp")
    (license license:gpl3+)))

(define-public gajim
  (package
    (name "gajim")
    (version "1.7.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://gajim.org/downloads/"
                           (version-major+minor version)
                           "/gajim-" version ".tar.gz"))
       (sha256
         (base32 "066kvkjw3qcdanr3nczy0wgcwihk9jc9zhzfr5bwlqvcyxcv7k5p"))
       (patches
         (search-patches "gajim-honour-GAJIM_PLUGIN_PATH.patch"))))
    (build-system python-build-system)
    (arguments
     (list
      #:imported-modules
      `(,@%python-build-system-modules
        (guix build glib-or-gtk-build-system))
      #:modules
      '((guix build python-build-system)
        ((guix build glib-or-gtk-build-system) #:prefix glib-or-gtk:)
        (guix build utils))
      #:phases
      #~(modify-phases %standard-phases
          (add-after 'unpack 'generate-gdk-pixbuf-loaders-cache-file
            (assoc-ref glib-or-gtk:%standard-phases
                       'generate-gdk-pixbuf-loaders-cache-file))
          (add-before 'build 'build-metadata
            (lambda _
              (invoke "./pep517build/build_metadata.py"
                      "-o" "dist/metadata")))
          ;; TODO: Change to pyproject-build-system once it supports
          ;; in-tree build backends.
          (replace 'build
            (lambda _
              (invoke "python" "-m" "build" "--wheel" "--no-isolation"
                      ".")))
          (replace 'install
            (lambda _
              (apply invoke "pip" "--no-cache-dir" "--no-input"
                     "install" "--no-deps" "--prefix" #$output
                     (find-files "dist" "\\.whl$"))))
          (add-after 'install 'install-metadata
            (lambda _
              (invoke "./pep517build/install_metadata.py" "dist/metadata"
                      (string-append "--prefix=" #$output))))
          (replace 'check
            (lambda _
              ;; Tests require a running X server.
              (system "Xvfb :1 +extension GLX &")
              (setenv "DISPLAY" ":1")
              ;; For missing '/etc/machine-id'.
              (setenv "DBUS_FATAL_WARNINGS" "0")
              (invoke "dbus-launch" "python" "-m" "unittest"
                      "discover" "-s" "test")))
          (add-after 'install 'glib-or-gtk-compile-schemas
            (assoc-ref glib-or-gtk:%standard-phases
                       'glib-or-gtk-compile-schemas))
          (add-after 'install 'glib-or-gtk-wrap
            (assoc-ref glib-or-gtk:%standard-phases
                       'glib-or-gtk-wrap))
          (add-after 'install 'wrap-env
            (lambda _
              (for-each
               (lambda (name)
                 (let ((file (string-append #$output "/bin/" name))
                       (gst-plugin-path (getenv "GST_PLUGIN_SYSTEM_PATH"))
                       (gi-typelib-path (getenv "GI_TYPELIB_PATH"))
                       (pixbuf-module-file (getenv "GDK_PIXBUF_MODULE_FILE")))
                   (wrap-program file
                     `("GST_PLUGIN_SYSTEM_PATH" ":" prefix (,gst-plugin-path))
                     `("GI_TYPELIB_PATH" ":" prefix (,gi-typelib-path))
                     `("GDK_PIXBUF_MODULE_FILE" = (,pixbuf-module-file)))))
               '("gajim" "gajim-remote")))))))
    (native-search-paths
     (list
      (search-path-specification
       (variable "GAJIM_PLUGIN_PATH")
       (separator #f) ; single entry
       (files (list "share/gajim/plugins")))
      ;; Gajim needs to use the propagated inputs of its plugins.
      (search-path-specification
       (variable "GUIX_PYTHONPATH")
       (files
        (list
         (string-append
          "lib/python"
          ;; FIXME: Cannot use this expression as it would
          ;; introduce a circular dependency at the top level.
          ;; (version-major+minor (package-version python))
          "3.10"
          "/site-packages"))))))
    (native-inputs
     (list gettext-minimal
           `(,glib "bin")
           gobject-introspection
           `(,gtk+ "bin")
           python-distutils-extra
           python-pypa-build
           python-setuptools
           xorg-server-for-tests))
    (inputs
     (list bash-minimal
           avahi
           dbus
           farstream
           geoclue
           glib
           glib-networking
           gsettings-desktop-schemas
           gsound
           gspell
           gstreamer
           gst-plugins-base
           gtk+
           gtksourceview-4
           gupnp-igd
           libappindicator
           libnice
           libsecret
           libsoup
           libxscrnsaver
           network-manager
           python-css-parser
           python-dbus
           python-gssapi
           python-idna
           python-keyring
           python-nbxmpp
           python-packaging
           python-pillow
           python-precis-i18n
           python-pycairo
           python-pygobject
           python-pyopenssl))
    (propagated-inputs
     (list dconf))
    (synopsis "Fully-featured XMPP client")
    (description "Gajim aims to be an easy to use and fully-featured XMPP chat
client.  It is extensible via plugins, supports end-to-end encryption (OMEMO
and OpenPGP) and available in 29 languages.")
    (home-page "https://gajim.org/")
    (license license:gpl3)))

(define-public gajim-omemo
  (package
    (name "gajim-omemo")
    (version "2.9.0")
    (source
     (origin
       (method url-fetch/zipbomb)
       (uri
        (string-append
         "https://ftp.gajim.org/plugins/master/omemo/omemo_"
         version ".zip"))
       (sha256
        (base32 "0yy9r9fsrlgdywiln8bskhi8faj9hnz7b19jcap5nkhv8jn9cqq7"))))
    (build-system trivial-build-system)
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let* ((out (assoc-ref %outputs "out"))
                (share (in-vicinity out "share/gajim/plugins/omemo"))
                (source (assoc-ref %build-inputs "source")))
           (mkdir-p share)
           (copy-recursively source share)
           #t))))
    (propagated-inputs
     (list python-axolotl python-axolotl-curve25519 python-cryptography
           python-qrcode))
    (synopsis "Gajim OMEMO plugin")
    (description "Gajim-OMEMO is a plugin that adds support for the OMEMO
Encryption to Gajim.  OMEMO is an XMPP Extension Protocol (XEP) for secure
multi-client end-to-end encryption.")
    (home-page
     "https://dev.gajim.org/gajim/gajim-plugins/-/wikis/OmemoGajimPlugin")
    (license license:gpl3+)))

(define-public gajim-openpgp
  (package
    (name "gajim-openpgp")
    (version "1.5.0")
    (source
     (origin
       (method url-fetch/zipbomb)
       (uri
        (string-append
         "https://ftp.gajim.org/plugins/master/openpgp/openpgp_"
         version ".zip"))
       (sha256
        (base32 "193pbh9iri7bkamvjwp236i8g5zxxiqgsv64kll5sy76vx4q73c4"))))
    (build-system trivial-build-system)
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let* ((out (assoc-ref %outputs "out"))
                (share (in-vicinity out "share/gajim/plugins/openpgp"))
                (source (assoc-ref %build-inputs "source")))
           (mkdir-p share)
           (copy-recursively source share)
           #t))))
    (propagated-inputs
     (list python-cryptography python-gnupg python-gpg))
    (synopsis "Gajim OpenPGP plugin")
    (description "Gajim-OpenPGP is a plugin that adds support for the OpenPGP
Encryption to Gajim.")
    (home-page "https://dev.gajim.org/gajim/gajim-plugins/-/wikis/OpenPGPplugin")
    (license license:gpl3+)))

(define-public dino
  (package
    (name "dino")
    (version "0.4.4")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "https://github.com/dino/dino/releases/download/v"
                       version "/dino-" version ".tar.gz"))
       (sha256
        (base32 "1zvxyvql695bwbic17z86vrh2j1qkwvab1irqjkvza4szbklr29i"))))
    (build-system cmake-build-system)
    (outputs '("out" "debug"))
    (arguments
     (list #:configure-flags #~(list "-DBUILD_TESTS=true" "-DUSE_SOUP3=true")
           #:parallel-build? #f         ; not supported
           #:modules '((guix build cmake-build-system)
                       ((guix build glib-or-gtk-build-system) #:prefix glib-or-gtk:)
                       (guix build utils))
           #:imported-modules `(,@%default-gnu-imported-modules
                                (guix build cmake-build-system)
                                (guix build glib-or-gtk-build-system))
           #:phases
           #~(modify-phases %standard-phases
               ;; For A/V support.
               (add-after 'unpack 'generate-gdk-pixbuf-loaders-cache-file
                 (assoc-ref glib-or-gtk:%standard-phases
                            'generate-gdk-pixbuf-loaders-cache-file))
               (add-after 'install 'wrap
                 (lambda* (#:key outputs #:allow-other-keys)
                   (let* ((out (assoc-ref outputs "out"))
                          (dino (string-append out "/bin/dino"))
                          (gst-plugin-path (getenv "GST_PLUGIN_SYSTEM_PATH")))
                     (wrap-program dino
                       `("GST_PLUGIN_SYSTEM_PATH" ":" prefix (,gst-plugin-path))
                       `("GDK_PIXBUF_MODULE_FILE" =
                         (,(getenv "GDK_PIXBUF_MODULE_FILE")))))))
               (add-after 'install 'glib-or-gtk-wrap
                 (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap))
               (replace 'check
                 (lambda* (#:key tests? #:allow-other-keys)
                   (when tests?
                     (invoke "./libdino-test")
                     (invoke "./signal-protocol-vala-test")
                     (invoke "./xmpp-vala-test")))))))
    (native-inputs
     (list gettext-minimal
           `(,glib "bin")
           gobject-introspection
           `(,gtk "bin")
           pkg-config
           vala))
    (inputs
     (list adwaita-icon-theme
           at-spi2-core
           bash-minimal
           cairo
           (librsvg-for-system)
           glib
           glib-networking
           gpgme
           gsettings-desktop-schemas
           gspell                       ;for spell-check support
           gstreamer                    ;for A/V support
           gst-plugins-base
           gst-plugins-good
           gtk
           icu4c                        ;for emoji support
           libadwaita
           libcanberra                  ;for sound-notification support
           libgcrypt
           libgee
           libnice
           libsignal-protocol-c
           libsoup
           libsrtp                      ;for calls support
           pango                        ;gtk4 wants pango 1.50+
           qrencode
           sqlite
           webrtc-audio-processing))    ;for A/V support
    (synopsis "Graphical Jabber/XMPP Client using GTK+/Vala")
    (description "Dino is a chat client for the desktop.  It focuses on providing
a minimal yet reliable Jabber/XMPP experience and having encryption enabled by
default.")
    (home-page "https://dino.im")
    (license license:gpl3+)))

(define-public kaidan
  (package
    (name "kaidan")
    (version "0.9.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://kde/unstable/kaidan/" version
                                  "/kaidan-" version ".tar.xz"))
              (modules '((guix build utils)))
              (snippet
               #~(begin
                   (delete-file-recursively "3rdparty")))
              (sha256
               (base32 "1waqv0fdkhvp3cqy2a2g6i2wc9s0zbvgzknymrwxy99mnx9ymw9g"))))
    (build-system qt-build-system)
    (arguments
     (list #:configure-flags #~(list "-DBUILD_TESTS=true")))
    (native-inputs (list extra-cmake-modules
                         perl
                         pkg-config
                         python-wrapper))
    (inputs (list kirigami-5
                  knotifications-5
                  qtbase-5
                  qtdeclarative-5
                  qtgraphicaleffects
                  qtlocation-5
                  qtquickcontrols2-5
                  qtsvg-5
                  qtmultimedia-5
                  qtxmlpatterns
                  qqc2-desktop-style
                  qxmpp
                  sonnet
                  zxing-cpp))
    (home-page "https://www.kaidan.im/")
    (synopsis "Qt-based XMPP/Jabber Client")
    (description "Kaidan is a chat client.  It uses the open communication
protocol XMPP (Jabber).  The user interface makes use of Kirigami and QtQuick,
while the back-end of Kaidan is entirely written in C++ using Qt and the
Qt-based XMPP library QXmpp.")
    (license (list
              ;; Graphics
              license:cc-by-sa4.0
              ;; Files:
              ;; src/{StatusBar.cpp|StatusBar.h|singleapp/*|hsluv-c/*}
              ;; utils/generate-license.py
              license:expat
              ;; QrCodeVideoFrame
              license:asl2.0
              ;; Others
              license:gpl3+))))

(define-public prosody
  (package
    (name "prosody")
    (version "0.12.4")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://prosody.im/downloads/source/"
                                  "prosody-" version ".tar.gz"))
              (sha256
               (base32
                "0mjqss1h2cw0nlyj9nkxdg1bnq1j0zndlv1g8665aa9g7hki5ms7"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f                      ;tests require "busted"
       #:configure-flags (list "--no-example-certs")
       #:modules ((ice-9 match)
                  (srfi srfi-1)
                  (guix build gnu-build-system)
                  (guix build utils))
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-configure-script
           (lambda _
             ;; The configure script aborts when it encounters unexpected
             ;; arguments.  Make it more tolerant.
             (substitute* "configure"
               (("exit 1") ""))))
         (add-after 'unpack 'fix-makefile
           (lambda _
             (substitute* "GNUmakefile"
               ;; prosodyctl needs to read the configuration file.
               (("^INSTALLEDCONFIG =.*") "INSTALLEDCONFIG = /etc/prosody\n")
               ;; prosodyctl needs a place to put auto-generated certificates.
               (("^INSTALLEDDATA =.*") "INSTALLEDDATA = /var/lib/prosody\n"))))
         (add-after 'unpack 'invoke-prosody-wrapper
           (lambda* (#:key inputs outputs #:allow-other-keys)
             ;; Invoke the prosody wrapper script instead of invoking lua on
             ;; the actual executable.
             (substitute* "util/prosodyctl.lua"
               (("os.execute\\(lua[^;]*")
                (string-append "os.execute(\""
                               (assoc-ref outputs "out")
                               "/bin/prosody -D\")")))))
         (add-after 'install 'wrap-programs
           (lambda* (#:key inputs outputs #:allow-other-keys)
             ;; Make sure all executables in "bin" find the required Lua
             ;; modules at runtime.
             (let* ((out   (assoc-ref outputs "out"))
                    (bin   (string-append out "/bin/"))
                    (deps  (delete #f (map (match-lambda
                                             ((label . directory)
                                              (if (string-prefix? "lua" label)
                                                  directory #f)))
                                           inputs)))
                    (lua-path (string-join
                               (map (lambda (path)
                                      (string-append
                                       path "/share/lua/5.2/?.lua;"
                                       path "/share/lua/5.2/?/?.lua"))
                                    (cons out deps))
                               ";"))
                    (lua-cpath (string-join
                                (map (lambda (path)
                                       (string-append
                                        path "/lib/lua/5.2/?.so;"
                                        path "/lib/lua/5.2/?/?.so"))
                                     (cons out deps))
                                ";"))
                    (openssl (assoc-ref inputs "openssl"))
                    (coreutils (assoc-ref inputs "coreutils"))
                    (path (map (lambda (dir)
                                 (string-append dir "/bin"))
                               (list openssl coreutils))))
               (for-each (lambda (file)
                           (wrap-program file
                             `("LUA_PATH"  ";" = (,lua-path))
                             `("LUA_CPATH" ";" = (,lua-cpath))
                             `("PATH" ":" prefix ,path)))
                         (find-files bin ".*"))))))))
    (inputs
     (list bash-minimal
           icu4c
           libidn
           openssl
           lua-5.2
           lua5.2-bitop
           lua5.2-expat
           lua5.2-socket
           lua5.2-filesystem
           lua5.2-sec))
    (home-page "https://prosody.im/")
    (synopsis "Jabber (XMPP) server")
    (description "Prosody is a modern XMPP communication server.  It aims to
be easy to set up and configure, and efficient with system resources.
Additionally, for developers it aims to be easy to extend and give a flexible
system on which to rapidly develop added functionality, or prototype new
protocols.")
    (license license:x11)))

(define (prosody-module module-name)
  (let ((changeset "66e7d46b1d4b")
        (revision "3")
        (package-name (string-append
                       "prosody-"
                       (string-replace-substring
                        (if (string-prefix? "mod_" module-name)
                            (substring module-name 4)
                            module-name)
                        "_" "-"))))
    (package
      (name package-name)
      (version (string-append "0-" revision "." (string-take changeset 7)))
      (source (origin
                (method hg-fetch)
                (uri (hg-reference
                      (url "https://hg.prosody.im/prosody-modules/")
                      (changeset changeset)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "0wyxvbf335jaaz850m2q6jj6ix4hjlhlh28kzk7462qa9fcw5p7s"))))
      (build-system copy-build-system)
      (arguments
       `(#:install-plan '((,(string-append module-name "/") "."))))
      (home-page (string-append "https://modules.prosody.im/"
                                module-name ".html"))
      (synopsis #f)
      (description #f)
      (license (package-license prosody)))))

(define-public prosody-cloud-notify
  (package
    (inherit (prosody-module "mod_cloud_notify"))
    (synopsis "XEP-0357: Push Notifications")
    (description "This module implements XEP-0357: Push Notifications.

Some platforms, notably Apple’s iOS and many versions of Android, impose
limits that prevent applications from running or accessing the network in the
background.  This makes it difficult or impossible for an XMPP application to
remain reliably connected to a server to receive messages.

In order for messaging and other apps to receive notifications, the OS vendors
run proprietary servers that their OS maintains a permanent connection to in
the background.  Then they provide APIs to application developers that allow
sending notifications to specific devices via those servers.

When you connect to your server with a client that requires push
notifications, it will use this module to set up a “push registration”.  When
you receive a message but your device is not connected to the server, this
module will generate a notification and send it to the push gateway operated
by your application’s developers).  Their gateway will then connect to your
device’s OS vendor and ask them to forward the notification to your device.
When your device receives the notification, it will display it or wake up the
app so it can connect to XMPP and receive any pending messages.")))

(define-public prosody-cloud-notify-encrypted
  (package
    (inherit (prosody-module "mod_cloud_notify_encrypted"))
    (propagated-inputs (list lua5.2-ossl))
    (synopsis "Custom extension to XEP-0357: Push Notifications")
    (description "This module implements support for a Encrypted Push
Notifications, a custom extension to XEP-0357: Push Notifications.")))

(define-public prosody-cloud-notify-filters
  (package
    (inherit (prosody-module "mod_cloud_notify_filters"))
    (synopsis "Filters for XEP-0357: Push Notifications")
    (description "This module implements support for a group of push
notification extensions by the Tigase team that allow a client to specify
filters to be applied to push notifications.  It is a custom extension to
XEP-0357: Push Notifications.")))

(define-public prosody-cloud-notify-priority-tag
  (package
    (inherit (prosody-module "mod_cloud_notify_priority_tag"))
    (synopsis "Tigase priorities for XEP-0357: Push Notifications")
    (description "This module implements support for a Tigase XMPP extension,
Priority of notifications.  It is a custom extension to XEP-0357: Push
Notifications.")))

(define-public prosody-http-upload
  (package
    (inherit (prosody-module "mod_http_upload"))
    (synopsis "XEP-0363: Allow clients to upload files over HTTP")
    (description "This module implements XEP-0363: it allows clients to
upload files over HTTP.")))

(define-public prosody-muc-offline-delivery
  (package
    (inherit (prosody-module "mod_muc_offline_delivery"))
    (synopsis "Deliver MUC messages to users who are not in the room")
    (description "This module implements support for sending messages in a MUC
to affiliated users who are not in the room.  This is a custom extension by
Tigase to allow push notifications from MUCs to users who are not currently
connected.")))

(define-public prosody-smacks
  (package
    (inherit (prosody-module "mod_smacks"))
    (synopsis "XEP-0198: Reliability and fast reconnects for XMPP")
    (description "This module implements XEP-0198: when supported by both
the client and server, it can allow clients to resume a disconnected session,
and prevent message loss.")))

(define-public prosody-vcard-muc
  (package
    (inherit (prosody-module "mod_vcard_muc"))
    (synopsis "Support for MUC vCards and avatars")
    (description "This module adds the ability to set vCard for MUC rooms. One
of the most common use cases is to define avatars for MUC rooms.")))

(define-public libtoxcore
  (let ((revision "2")
        (commit "bf69b54f64003d160d759068f4816b2d9b2e1e21"))
    (package
      (name "libtoxcore")
      (version (string-append "0.0.0" "-"
                              revision "."(string-take commit 7)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/irungentoo/toxcore")
                      (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "11lqra4yd7v293cp286ynff5lqz1pprzg8vn3wq6vryj08g88zqb"))))
      (build-system gnu-build-system)
      (arguments `(#:tests? #f)) ; FIXME: tests hang, some fail.
      (native-inputs
       (list autoconf automake libtool check pkg-config))
      (inputs
       (list libsodium opus libvpx))
      (synopsis "Library for the Tox encrypted messenger protocol")
      (description
       "C library implementation of the Tox encrypted messenger protocol.")
      (license license:gpl3+)
      (home-page "https://tox.chat"))))

;; Some tox clients move to c-toxcore, which seems to be where all the
;; recent development happens. It is run by the same developers as toxcore,
;; forked into a group namespace.
(define-public c-toxcore
  (package
    (name "c-toxcore")
    (version "0.2.19")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/TokTok/c-toxcore")
             (commit (string-append "v" version))
             ;; XXX: c-toxcore now depends on a package called 'cmp', an
             ;; implementation of MessagePack in C.  Fetch the submodule
             ;; for now, maybe package it later.
             (recursive? #t)))
       (file-name (git-file-name name version))
       (sha256
        (base32
         "0wq6grc5lfjip39gm0ji1cw6b1sdv1zvimg1g40haqzhj51755za"))))
    (arguments
     (list #:tests? #f ; figure out how to run the tests
           #:configure-flags #~(list "-DENABLE_STATIC=false")))
    (build-system cmake-build-system)
    (native-inputs
     (list pkg-config))
    (propagated-inputs
     (list libsodium opus libvpx))
    (home-page "https://tox.chat")
    (synopsis "Library for the Tox encrypted messenger protocol")
    (description
     "Official fork of the C library implementation of the Tox encrypted
messenger protocol.")
    (license license:gpl3+)))

(define-public utox
  (package
    (name "utox")
    (version "0.18.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/uTox/uTox")
             (commit (string-append "v" version))
             (recursive? #t))) ;; Needed for 'minini' git submodule.
       (file-name (string-append name "-" version "-checkout"))
       (sha256
        (base32
         "01rvlf94d4rkrygnnjak3cg16hrrqyi1rn9nx65y17qk2nbyh68g"))))
    (build-system cmake-build-system)
    (arguments
     `(#:configure-flags '("-DENABLE_TESTS=on")
       #:phases
       (modify-phases %standard-phases
         (add-before 'build 'patch-absolute-filename-libgtk-3
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (substitute* "../source/src/xlib/gtk.c"
               (("libgtk-3.so")
                (search-input-file inputs "/lib/libgtk-3.so")))))
         (add-after 'install 'wrap-program
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (wrap-program (string-append (assoc-ref outputs "out")
                                          "/bin/utox")
               ;; For GtkFileChooserDialog.
               `("GSETTINGS_SCHEMA_DIR" =
                 (,(string-append (assoc-ref inputs "gtk+")
                                  "/share/glib-2.0/schemas")))))))))
    (inputs
     (list bash-minimal                 ;for wrap-program
           dbus
           filteraudio
           fontconfig
           freetype
           c-toxcore
           gtk+
           libvpx
           libx11
           libxext
           libxrender
           openal
           v4l-utils))
    (native-inputs
     (list check pkg-config))
    (synopsis "Lightweight Tox client")
    (description
     "uTox is a lightweight Tox client.  Tox is a distributed and secure
instant messenger with audio and video chat capabilities.")
    (home-page "https://github.com/uTox/uTox")
    (license license:gpl3)))

(define-public qtox
  (package
    (name "qtox")
    (version "1.17.6")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/qTox/qTox/releases"
                                  "/download/v" version
                                  "/v" version ".tar.gz"))
              (sha256
               (base32
                "1ml8z1xpp3qhip4vkr375jf7y5kc18g0apm91n5am6ricx37c01r"))
              (file-name (string-append name "-" version ".tar.gz"))))
    (build-system cmake-build-system)
    (arguments
     (list #:phases
           #~(modify-phases %standard-phases
               (add-after 'unpack 'fix-reproducibility-issues
                 (lambda _
                   (substitute* "src/main.cpp"
                     (("__DATE__") "\"\"")
                     (("__TIME__") "\"\"")
                     (("TIMESTAMP") "\"\""))))
               (add-after 'unpack 'disable-network-tests
                 (lambda _
                   ;; These tests require network access.
                   (substitute* "cmake/Testing.cmake"
                     (("auto_test\\(core core\\)") "# auto_test(core core)")
                     (("auto_test\\(net bsu\\)") "# auto_test(net bsu)"))))
               ;; Ensure that icons are found at runtime.
               (add-after 'install 'wrap-executable
                 (lambda* (#:key inputs outputs #:allow-other-keys)
                   (let ((out (assoc-ref outputs "out")))
                     (wrap-program (string-append out "/bin/qtox")
                       `("QT_PLUGIN_PATH" prefix
                         ,(list (search-input-directory
                                 inputs "lib/qt5/plugins/"))))))))))
    (native-inputs
     (list pkg-config qttools-5))
    (inputs
     (list bash-minimal
           ffmpeg
           filteraudio
           glib
           gtk+-2
           libsodium
           c-toxcore
           libvpx
           libxscrnsaver
           libx11
           libexif
           sqlite
           openal
           qrencode
           qtbase-5
           qtsvg-5
           sqlcipher))
    (home-page "https://qtox.github.io/")
    (synopsis "Tox chat client using Qt")
    (description "qTox is a Tox client that follows the Tox design
guidelines.  It provides an easy to use application that allows you to
connect with friends and family without anyone else listening in.")
    (license license:gpl3+)))

(define-public ytalk
  (package
    (name "ytalk")
    (version "3.3.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "ftp://ftp.ourproject.org/pub/ytalk/ytalk-"
                           version  ".tar.gz"))
       (sha256
        (base32
         "1d3jhnj8rgzxyxjwfa22vh45qwzjvxw1qh8fz6b7nfkj3zvk9jvf"))))
    (build-system gnu-build-system)
    (inputs
     (list ncurses))
    (home-page "https://ytalk.ourproject.org")
    (synopsis "Multi-user chat program")
    (description "Ytalk is a replacement for the BSD talk program.  Its main
advantage is the ability to communicate with any arbitrary number of users at
once.  It supports both talk protocols (\"talk\" and \"ntalk\") and can communicate
with several different talk daemons at the same time.")
    (license license:gpl2+)))

(define-public gloox
  (package
    (name "gloox")
    (version "1.0.24")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://camaya.net/download/gloox-"
                           version ".tar.bz2"))
       (sha256
        (base32 "1jgrd07qr9jvbb5hcmhrqz4w4lvwc51m30jls1fgxf1f5az6455f"))))
    (build-system gnu-build-system)
    (inputs
     (list libidn gnutls zlib))
    (native-inputs
     (list pkg-config))
    (synopsis "Portable high-level Jabber/XMPP library for C++")
    (description
     "gloox is a full-featured Jabber/XMPP client library,
written in ANSI C++.  It makes writing spec-compliant clients easy
and allows for hassle-free integration of Jabber/XMPP functionality
into existing applications.")
    (home-page "https://camaya.net/gloox")
    (license license:gpl3)))

(define-public perl-net-psyc
  (package
    (name "perl-net-psyc")
    (version "1.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://perl.psyc.eu/"
                           "perlpsyc-" version ".zip"))
       (file-name (string-append name "-" version ".zip"))
       (sha256
        (base32
         "0vsjclglkwgbyd9m5ad642fyysxw2x725nhq4r2m9pvqaq6s5yf2"))))
    (build-system perl-build-system)
    (native-inputs
     (list unzip))
    (inputs
     (list bash-minimal perl-curses perl-io-socket-ssl))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (delete 'configure) ; No configure script
         ;; There is a Makefile, but it does not install everything
         ;; (leaves out psycion) and says
         ;; "# Just to give you a rough idea". XXX: Fix it upstream.
         (replace 'build
           (lambda _ (invoke "make" "manuals")))
         (replace 'install
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (doc (string-append out "/share/doc/perl-net-psyc"))
                    (man1 (string-append out "/share/man/man1"))
                    (man3 (string-append out "/share/man/man3"))
                    (bin (string-append out "/bin"))
                    (libpsyc (string-append out "/lib/psyc/ion"))
                    (libperl (string-append out "/lib/perl5/site_perl/"
                                            ,(package-version perl))))

               (copy-recursively "lib/perl5" libperl)
               (copy-recursively "lib/psycion" libpsyc)
               (copy-recursively "bin" bin)
               (install-file "cgi/psycpager" (string-append doc "/cgi"))
               (copy-recursively "contrib" (string-append doc "/contrib"))
               (copy-recursively "hooks" (string-append doc "/hooks"))
               (copy-recursively "sdj" (string-append doc "/sdj"))
               (install-file "README.txt" doc)
               (install-file "TODO.txt" doc)
               (copy-recursively "share/man/man1" man1)
               (copy-recursively "share/man/man3" man3))))
         (add-after 'install 'wrap-programs
           (lambda* (#:key outputs #:allow-other-keys)
             ;; Make sure all executables in "bin" find the Perl modules
             ;; provided by this package at runtime.
             (let* ((out  (assoc-ref outputs "out"))
                    (bin  (string-append out "/bin/"))
                    (path (getenv "PERL5LIB")))
               (for-each (lambda (file)
                           (wrap-program file
                             `("PERL5LIB" ":" prefix (,path))))
                         (find-files bin "\\.*$"))))))))
    (description
     "@code{Net::PSYC} with support for TCP, UDP, Event.pm, @code{IO::Select} and
Gtk2 event loops.  This package includes 12 applications and additional scripts:
psycion (a @uref{https://about.psyc.eu,PSYC} chat client), remotor (a control console
for @uref{https://torproject.org,tor} router) and many more.")
    (synopsis "Perl implementation of PSYC protocol")
    (home-page "https://perl.psyc.eu")
    (license (list license:gpl2
                   license:perl-license
                   ;; contrib/irssi-psyc.pl:
                   license:public-domain
                   ;; bin/psycplay states AGPL with no version:
                   license:agpl3+))))

(define-public libpsyc
  (package
    (name "libpsyc")
    (version "20160913")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://www.psyced.org/files/"
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
                "14q89fxap05ajkfn20rnhc6b1h4i3i2adyr7y6hs5zqwb2lcmc1p"))))
    (build-system gnu-build-system)
    (native-inputs
     (list perl netcat procps))
    (arguments
     `(#:make-flags
       (list "CC=gcc"
             (string-append "PREFIX=" (assoc-ref %outputs "out")))
       #:phases
       (modify-phases %standard-phases
         ;; The rust bindings are the only ones in use, the lpc bindings
         ;; are in psyclpc.  The other bindings are not used by anything,
         ;; the chances are high that the bindings do not even work,
         ;; therefore we do not include them.
         ;; TODO: Get a cargo build system in Guix.
         (delete 'configure)))) ; no configure script
    (home-page "https://about.psyc.eu/libpsyc")
    (description
     "@code{libpsyc} is a PSYC library in C which implements
core aspects of PSYC, useful for all kinds of clients and servers
including psyced.")
    (synopsis "PSYC library in C")
    (license license:agpl3+)))

(define-public loudmouth
  (package
    (name "loudmouth")
    (version "1.5.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://mcabber.com/files/loudmouth/"
                           name "-" version ".tar.bz2"))
       (sha256
        (base32
         "03adv5xc84l9brcx0dpyqyffmsclans8yfrpnd357k6x3wfckjri"))))
    (build-system gnu-build-system)
    (outputs '("out" "doc"))
    (arguments
     `(#:configure-flags
       (list
        "--disable-static"
        "--enable-gtk-doc"
        (string-append "--with-html-dir="
                       (assoc-ref %outputs "doc")
                       "/share/gtk-doc/html"))
       #:make-flags
       (list
        "CFLAGS=-Wno-error=all")))
    (inputs
     `(("glib" ,glib)
       ("gnutls" ,gnutls)
       ("krb5" ,mit-krb5)
       ("libidn" ,libidn)))
    (native-inputs
     (list pkg-config check
           `(,glib "bin") ; gtester
           gtk-doc/stable))
    (home-page "https://mcabber.com/")
    (description
     "Loudmouth is a lightweight and easy-to-use C library for programming
with the XMPP (formerly known as Jabber) protocol.  It is designed to be
easy to get started with and yet extensible to let you do anything the XMPP
protocol allows.")
    (synopsis "Asynchronous XMPP library")
    ;; The files have LGPL2.0+ headers, but COPYING specifies LGPL2.1.
    (license license:lgpl2.0+)))

(define-public mcabber
  (package
    (name "mcabber")
    (version "1.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://mcabber.com/files/"
                           name "-" version ".tar.bz2"))
       (sha256
        (base32 "0q1i5acyghsmzas88qswvki8kkk2nfpr8zapgnxbcd3lwcxl38f4"))))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags
       (list
        "--disable-static"
        "--enable-otr"
        "--enable-enchant"
        "--enable-aspell")))
    (inputs
     (list gpgme
           libotr
           aspell
           enchant-1.6
           libidn
           glib
           ncurses
           loudmouth))
    (native-inputs
     `(("perl" ,perl)
       ("pkg-config" ,pkg-config)
       ("python" ,python-wrapper)))
    (home-page "https://mcabber.com")
    (description
     "Mcabber is a small XMPP (Jabber) console client, which includes features
such as SASL and TLS support, @dfn{Multi-User Chat} (MUC) support, logging,
command-completion, OpenPGP encryption, @dfn{Off-the-Record Messaging} (OTR)
support, and more.")
    (synopsis "Small XMPP console client")
    (license license:gpl2+)))

(define-public freetalk
  (package
    (name "freetalk")
    (version "4.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/freetalk/freetalk-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "105mw7pg2mcp85r82cs4rv77nwvbw8025047364jzbq6lwllynxv"))))
    (build-system gnu-build-system)
    (arguments
     (list #:phases
           #~(modify-phases %standard-phases
               (add-after 'install 'wrap-program
                 (lambda* (#:key inputs outputs #:allow-other-keys)
                   (let ((out (assoc-ref outputs "out")))
                     (wrap-program (string-append out "/bin/freetalk")
                       `("PATH" ":" suffix
                         ,(map (lambda (command)
                                 (dirname
                                  (search-input-file
                                   inputs (string-append "bin/" command))))
                               ;; This list is not exhaustive: we assume that,
                               ;; e.g., cat is packaged with other coreutils.
                               (list "bash" ; src/{commands,util}.c et al
                                     "cat"  ; extensions/first-time-run.sh
                                     "less")))))))))) ; extensions/history.scm.
    (native-inputs
     (list autoconf automake pkg-config texinfo))
    (inputs
     (list bash
           glib
           guile-3.0
           less
           loudmouth
           readline))
    (synopsis "Extensible console-based Jabber client")
    (description
     "GNU Freetalk is a command-line Jabber/XMPP chat client.  It notably uses
the Readline library to handle input, so it features convenient navigation of
text as well as tab-completion of buddy names, commands and English words.  It
is also scriptable and extensible via Guile.")
    (home-page "https://www.gnu.org/software/freetalk/")
    (license license:gpl3+)))

(define-public libstrophe
  (package
    (name "libstrophe")
    (version "0.12.3")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/strophe/libstrophe")
             (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32 "17wxaqdcwhm34bl31g9fmsgmnsd7znyxcb9dhw9lmaghkql1sf0h"))))
    (build-system gnu-build-system)
    (arguments
     (list #:configure-flags '(list "--disable-static")
       #:phases
       #~(modify-phases %standard-phases
         (add-after 'unpack 'patch-make
           (lambda _
             (substitute* "Makefile.am"
               (("'\\^xmpp_'") "'.'"))))
         (add-after 'install 'install-extra-licence-files
           (lambda _
            (let ((license-directory (string-append #$output
                                                    "/share/doc/"
                                                    #$name "-" #$version "/")))
              (install-file "MIT-LICENSE.txt" license-directory)))))))
    (inputs
     (list expat openssl))
    (native-inputs
     (list autoconf automake libtool pkg-config))
    (synopsis "C library for writing XMPP clients")
    (description "Libstrophe is a minimal XMPP library written in C.  It has
almost no external dependencies, only an XML parsing library (expat or libxml
are both supported).")
    (home-page "https://strophe.im/libstrophe/")
    ;; Dual-licensed.
    (license (list license:gpl3+ license:x11))))

(define-public profanity
  (package
    (name "profanity")
    (version "0.14.0")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "https://profanity-im.github.io/tarballs/profanity-"
                       version ".tar.gz"))
       (sha256
        (base32
         "0zygsxxwdxmpppr7vyzi2r7d854yjl6918w0lrs7k41iib9zy8zx"))))
    (build-system glib-or-gtk-build-system)
    (arguments
     `(#:configure-flags
       (list
        "--disable-static"
        "--enable-notifications"
        "--enable-python-plugins"
        "--enable-c-plugins"
        "--enable-plugins"
        "--enable-otr"
        "--enable-pgp"
        "--enable-omemo"
        "--enable-icons-and-clipboard")))
    (native-inputs
     (list autoconf
           autoconf-archive
           automake
           cmocka
           libtool
           pkg-config))
    (inputs
     (list curl
           expat
           glib
           gpgme
           gtk+-2
           libgcrypt
           libnotify
           libotr
           libsignal-protocol-c
           libstrophe
           ncurses
           openssl
           python-wrapper
           readline
           sqlite))
    (synopsis "Console-based XMPP client")
    (description "Profanity is a console based XMPP client written in C
using ncurses and libmesode, inspired by Irssi.")
    (home-page "https://profanity-im.github.io")
    (properties `((release-monitoring-url . ,home-page)))
    (license license:gpl3+)))

(define-public libircclient
  (package
    (name "libircclient")
    (version "1.10")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "mirror://sourceforge/libircclient/libircclient/"
                           version "/libircclient-" version ".tar.gz"))
       (sha256
        (base32
         "0b9wa0h3xc31wpqlvgxgnvqp5wgx3kwsf5s9432m5cj8ycx6zcmv"))))
    (build-system gnu-build-system)
    (inputs
     (list openssl))
    (arguments
     `(#:configure-flags
       (list (string-append "--libdir="
                            (assoc-ref %outputs "out") "/lib")
             "--enable-shared"
             "--enable-ipv6"
             "--enable-openssl")
       #:tests? #f))                    ; no test suite
    (home-page "https://www.ulduzsoft.com/libircclient/")
    (synopsis "Library implementing the client IRC protocol")
    (description "Libircclient is a library which implements the client IRC
protocol.  It is designed to be small, fast, portable and compatible with the
RFC standards as well as non-standard but popular features.  It can be used for
building the IRC clients and bots.")
    (license license:lgpl3+)))

(define-public toxic
  (package
    (name "toxic")
    (version "0.15.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/JFreegman/toxic")
             (commit (string-append "v" version))))
       (sha256
        (base32 "1cbgw9my7nd8b215a3db2jc74nibi9kj0yk5q3c9dnh306as6wzs"))
       (file-name (git-file-name name version))))
    (build-system gnu-build-system)
    (arguments
     (list #:tests? #f                      ; no tests
           #:make-flags #~(list (string-append "CC=" #$(cc-for-target))
                                (string-append "PREFIX=" #$output))
           #:phases
           #~(modify-phases %standard-phases
               (delete 'configure)
               (add-before 'build 'enable-python-scripting
                 (lambda _
                   ;; XXX: For compatibility with Python 3.8, adjust
                   ;; python3-config invocation to include --embed; see
                   ;; <https://github.com/JFreegman/toxic/issues/533>.
                   (substitute* "cfg/checks/python.mk"
                     (("python3-config --ldflags")
                      "python3-config --ldflags --embed"))
                   (setenv "ENABLE_PYTHON" "1"))))))
    (inputs
     (list c-toxcore
           curl
           freealut
           gdk-pixbuf ; for libnotify.pc
           libconfig
           libnotify
           libpng
           libvpx
           libx11
           ncurses
           openal
           python
           qrencode))
    (native-inputs
     (list pkg-config))
    (home-page "https://github.com/JFreegman/toxic")
    (synopsis "Tox chat client using ncurses")
    (description "Toxic is a console-based instant messaging client, using
c-toxcore and ncurses.  It provides audio calls, sound and desktop
notifications, and Python scripting support.")
    (license license:gpl3+)))

(define-public libqmatrixclient
  (package
    (name "libqmatrixclient")
    (version "0.6.11")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
              (url "https://github.com/quotient-im/libQuotient")
              (commit version)))