;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Stefan Reichör <stefan@xsteve.at>
;;; Copyright © 2016 Raimon Grau <raimonster@gmail.com>
;;; Copyright © 2016 Tobias Geerinckx-Rice <tobias.geerinckx.rice@gmail.com>
;;; Copyright   2016 John Darrington <jmd@gnu.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 networking)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages check)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages compression))

(define-public macchanger
  (package
    (name "macchanger")
    (version "1.6.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/"
                                  name "/" name "-" version ".tar.gz"))
              (sha256
               (base32
                "1xsiivjjyhqcs6dyjcshrnxlgypvyfzacjz7gcjgl88xiw9lylri"))))
    (build-system gnu-build-system)
    (home-page "http://www.gnu.org/software/macchanger")
    (synopsis "Display or change the MAC address of networking devices")
    (description "GNU MAC Changer is a utility for viewing and changing MAC
addresses of networking devices.  New addresses may be set explicitly or
randomly.  They can include MAC addresses of the same or other hardware vendors
or, more generally, MAC addresses of the same category of hardware.") 
    (license license:gpl2+)))

(define-public miredo
  (package
    (name "miredo")
    (version "1.2.6")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://www.remlab.net/files/miredo/miredo-"
                                  version ".tar.xz"))
              (sha256
               (base32
                "0j9ilig570snbmj48230hf7ms8kvcwi2wblycqrmhh85lksd49ps"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         ;; The checkconf test in src/ requires network access.
         (add-before
          'check 'disable-checkconf-test
          (lambda _
            (substitute* "src/Makefile"
              (("^TESTS = .*") "TESTS = \n")))))))
    (home-page "http://www.remlab.net/miredo/")
    (synopsis "Teredo IPv6 tunneling software")
    (description
     "Miredo is an implementation (client, relay, server) of the Teredo
specification, which provides IPv6 Internet connectivity to IPv6 enabled hosts
residing in IPv4-only networks, even when they are behind a NAT device.")
    (license license:gpl2+)))

(define-public socat
  (package
    (name "socat")
    (version "1.7.3.1")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://www.dest-unreach.org/socat/download/socat-"
                    version ".tar.bz2"))
              (sha256
               (base32
                "1apvi7sahcl44arnq1ad2y6lbfqnmvx7nhz9i3rkk0f382anbnnj"))))
    (build-system gnu-build-system)
    (arguments '(#:tests? #f))                    ;no 'check' phase
    (inputs `(("openssl" ,openssl)))
    (home-page "http://www.dest-unreach.org/socat/")
    (synopsis
     "Open bidirectional communication channels from the command line")
    (description
     "socat is a relay for bidirectional data transfer between two independent
data channels---files, pipes, devices, sockets, etc.  It can create
\"listening\" sockets, named pipes, and pseudo terminals.

socat can be used, for instance, as TCP port forwarder, as a shell interface
to UNIX sockets, IPv6 relay, for redirecting TCP oriented programs to a serial
line, to logically connect serial lines on different computers, or to
establish a relatively secure environment (su and chroot) for running client
or server shell scripts with network connections.")
    (license license:gpl2)))

(define-public zeromq
  (package
    (name "zeromq")
    (version "4.0.5")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://download.zeromq.org/zeromq-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0arl8fy8d03xd5h0mgda1s5bajwg8iyh1kk4hd1420rpcxgkrj9v"))))
    (build-system gnu-build-system)
    (home-page "http://zeromq.org")
    (synopsis "Library for message-based applications")
    (description
     "The 0MQ lightweight messaging kernel is a library which extends the
standard socket interfaces with features traditionally provided by specialized
messaging middle-ware products.  0MQ sockets provide an abstraction of
asynchronous message queues, multiple messaging patterns, message
filtering (subscriptions), seamless access to multiple transport protocols and
more.")
    (license license:lgpl3+)))

(define-public libndp
  (package
    (name "libndp")
    (version "1.5")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://libndp.org/files/"
                                  name "-" version ".tar.gz"))
              (sha256
               (base32
                "15f743hjc7yy2sv3hzvfc27s1gny4mh5aww59vn195fff2midwgs"))))
    (build-system gnu-build-system)
    (home-page "http://libndp.org/")
    (synopsis "Library for Neighbor Discovery Protocol")
    (description
     "libndp contains a library which provides a wrapper for IPv6 Neighbor
Discovery Protocol.  It also provides a tool named ndptool for sending and
receiving NDP messages.")
    (license license:lgpl2.1+)))

(define-public ethtool
  (package
    (name "ethtool")
    (version "4.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://kernel.org/software/network/"
                                  name "/" name "-" version ".tar.xz"))
              (sha256
               (base32
                "1zzcwn6pk8qfasalqkxg8vrhacksfa50xsq4xifw7yfjqyn8fj4h"))))
    (build-system gnu-build-system)
    (home-page "https://www.kernel.org/pub/software/network/ethtool/")
    (synopsis "Display or change Ethernet device settings")
    (description
     "ethtool can be used to query and change settings such as speed,
auto-negotiation and checksum offload on many network devices, especially
Ethernet devices.")
    (license license:gpl2)))

(define-public ifstatus
  (package
    (name "ifstatus")
    (version "1.1.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/ifstatus/ifstatus-v"
                                  version ".tar.gz"))
              (sha256
               (base32
                "045cbsq9ps32j24v8y5hpyqxnqn9mpaf3mgvirlhgpqyb9jsia0c"))
              (modules '((guix build utils)))
              (snippet
               '(substitute* "Main.h"
                  (("#include <stdio.h>")
                   "#include <stdio.h>\n#include <stdlib.h>")))))
    (build-system gnu-build-system)
    (arguments
     '(#:tests? #f                                ; no "check" target
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)             ; no configure script
         (replace 'install
                  (lambda* (#:key outputs #:allow-other-keys)
                    (let* ((out (assoc-ref outputs "out"))
                           (bin (string-append out "/bin")))
                      (mkdir-p bin)
                      (copy-file "ifstatus"
                                 (string-append bin "/ifstatus"))))))))
    (inputs `(("ncurses" ,ncurses)))
    (home-page "http://ifstatus.sourceforge.net/graphic/index.html")
    (synopsis "Text based network interface status monitor")
    (description
     "IFStatus is a simple, easy-to-use program for displaying commonly
needed/wanted real-time traffic statistics of multiple network
interfaces, with a simple and efficient view on the command line.  It is
intended as a substitute for the PPPStatus and EthStatus projects.")
    (license license:gpl2+)))

(define-public nload
  (package
    (name "nload")
    (version "0.7.4")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/nload/nload-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1rb9skch2kgqzigf19x8bzk211jdfjfdkrcvaqyj89jy2pkm3h61"))))
    (build-system gnu-build-system)
    (inputs `(("ncurses" ,ncurses)))
    (home-page "http://www.roland-riegel.de/nload/")
    (synopsis "Realtime console network usage monitor")
    (description
     "Nload is a console application which monitors network traffic and
bandwidth usage in real time.  It visualizes the in- and outgoing traffic using
two graphs and provides additional info like total amount of transfered data
and min/max network usage.")
    (license license:gpl2+)))

(define-public iodine
  (package
    (name "iodine")
    (version "0.7.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://code.kryo.se/" name "/"
                                  name "-" version ".tar.gz"))
              (sha256
               (base32
                "0gh17kcxxi37k65zm4gqsvbk3aw7yphcs3c02pn1c4s2y6n40axd"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (add-before 'check 'delete-failing-tests
           ;; Avoid https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=802105
           (lambda _
             (substitute* "tests/common.c"
               (("tcase_add_test\\(tc, \
test_parse_format_ipv(4(|_listen_all|_mapped_ipv6)|6)\\);")
                "")))))
       #:make-flags (list "CC=gcc"
                          (string-append "prefix=" (assoc-ref %outputs "out")))
       #:test-target "test"))
    (inputs `(("zlib" ,zlib)))
    (native-inputs `(("check" ,check)
                     ("pkg-config" ,pkg-config)))
    (home-page "http://code.kryo.se/iodine/")
    (synopsis "Tunnel IPv4 data through a DNS server")
    (description "Iodine tunnels IPv4 data through a DNS server.  This
can be useful in different situations where internet access is firewalled, but
DNS queries are allowed.  The bandwidth is asymmetrical, with limited upstream
and up to 1 Mbit/s downstream.")
    ;; src/md5.[ch] is released under the zlib license
    (license (list license:isc license:zlib))))