gnu/packages/ssh.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
   3 ;;; Copyright © 2013, 2014 Andreas Enge <andreas@enge.fr>
   4 ;;; Copyright © 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
   5 ;;; Copyright © 2015, 2016, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
   6 ;;; Copyright © 2016, 2019 Leo Famulari <leo@famulari.name>
   7 ;;; Copyright © 2016 Nicolas Goaziou <mail@nicolasgoaziou.fr>
   8 ;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
   9 ;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
  10 ;;; Copyright © 2017 Stefan Reichör <stefan@xsteve.at>
  11 ;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
  12 ;;; Copyright © 2017 ng0 <ng0@n0.is>
  13 ;;; Copyright © 2018 Manuel Graf <graf@init.at>
  14 ;;; Copyright © 2019 Gábor Boskovits <boskovits@gmail.com>
  15 ;;; Copyright © 2019, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
  16 ;;;
  17 ;;; This file is part of GNU Guix.
  18 ;;;
  19 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  20 ;;; under the terms of the GNU General Public License as published by
  21 ;;; the Free Software Foundation; either version 3 of the License, or (at
  22 ;;; your option) any later version.
  23 ;;;
  24 ;;; GNU Guix is distributed in the hope that it will be useful, but
  25 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  26 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27 ;;; GNU General Public License for more details.
  28 ;;;
  29 ;;; You should have received a copy of the GNU General Public License
  30 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  31
  32 (define-module (gnu packages ssh)
  33   #:use-module (gnu packages)
  34   #:use-module (gnu packages autotools)
  35   #:use-module (gnu packages base)
  36   #:use-module (gnu packages boost)
  37   #:use-module (gnu packages compression)
  38   #:use-module (gnu packages crypto)
  39   #:use-module (gnu packages elf)
  40   #:use-module (gnu packages gnupg)
  41   #:use-module (gnu packages gperf)
  42   #:use-module (gnu packages groff)
  43   #:use-module (gnu packages guile)
  44   #:use-module (gnu packages libedit)
  45   #:use-module (gnu packages linux)
  46   #:use-module (gnu packages logging)
  47   #:use-module (gnu packages m4)
  48   #:use-module (gnu packages multiprecision)
  49   #:use-module (gnu packages ncurses)
  50   #:use-module (gnu packages nettle)
  51   #:use-module (gnu packages kerberos)
  52   #:use-module (gnu packages perl)
  53   #:use-module (gnu packages pkg-config)
  54   #:use-module (gnu packages popt)
  55   #:use-module (gnu packages protobuf)
  56   #:use-module (gnu packages python)
  57   #:use-module (gnu packages python-xyz)
  58   #:use-module (gnu packages readline)
  59   #:use-module (gnu packages texinfo)
  60   #:use-module (gnu packages tls)
  61   #:use-module (gnu packages xorg)
  62   #:use-module (guix build-system cmake)
  63   #:use-module (guix build-system gnu)
  64   #:use-module (guix build-system python)
  65   #:use-module (guix download)
  66   #:use-module (guix git-download)
  67   #:use-module ((guix licenses) #:prefix license:)
  68   #:use-module (guix packages)
  69   #:use-module (guix utils)
  70   #:use-module (srfi srfi-1))
  71
  72 (define-public libssh
  73   (package
  74     (name "libssh")
  75     (version "0.9.4")
  76     (source (origin
  77               (method git-fetch)
  78               (uri (git-reference
  79                      (url "https://git.libssh.org/projects/libssh.git")
  80                      (commit (string-append "libssh-" version))))
  81               (sha256
  82                (base32
  83                 "0qr4vi3k1wv69c95d9j26fiv78pzyksaq8ccd76b8nxar5z1fbj6"))
  84               (file-name (git-file-name name version))))
  85     (build-system cmake-build-system)
  86     (outputs '("out" "debug"))
  87     (arguments
  88      '(#:configure-flags '("-DWITH_GCRYPT=ON")
  89
  90        ;; TODO: Add 'CMockery' and '-DWITH_TESTING=ON' for the test suite.
  91        #:tests? #f))
  92     (inputs `(("zlib" ,zlib)
  93               ("libgcrypt" ,libgcrypt)
  94               ("mit-krb5" ,mit-krb5)))
  95     (synopsis "SSH client library")
  96     (description
  97      "libssh is a C library implementing the SSHv2 and SSHv1 protocol for client
  98 and server implementations.  With libssh, you can remotely execute programs,
  99 transfer files, and use a secure and transparent tunnel for your remote
 100 applications.")
 101     (home-page "https://www.libssh.org")
 102     (license license:lgpl2.1+)))
 103
 104 (define-public libssh2
 105   (package
 106    (name "libssh2")
 107    (version "1.9.0")
 108    (source (origin
 109             (method url-fetch)
 110             (uri (string-append
 111                    "https://www.libssh2.org/download/libssh2-"
 112                    version ".tar.gz"))
 113             (sha256
 114              (base32
 115               "1zfsz9nldakfz61d2j70pk29zlmj7w2vv46s9l3x2prhcgaqpyym"))))
 116    (build-system gnu-build-system)
 117    ;; The installed libssh2.pc file does not include paths to libgcrypt and
 118    ;; zlib libraries, so we need to propagate the inputs.
 119    (propagated-inputs `(("libgcrypt" ,libgcrypt)
 120                         ("zlib" ,zlib)))
 121    (arguments `(#:configure-flags `("--with-libgcrypt")))
 122    (synopsis "Client-side C library implementing the SSH2 protocol")
 123    (description
 124     "libssh2 is a library intended to allow software developers access to
 125 the SSH-2 protocol in an easy-to-use self-contained package.  It can be built
 126 into an application to perform many different tasks when communicating with
 127 a server that supports the SSH-2 protocol.")
 128    (license license:bsd-3)
 129    (home-page "https://www.libssh2.org/")))
 130
 131 (define-public openssh
 132   (package
 133    (name "openssh")
 134    (version "8.2p1")
 135    (source (origin
 136              (method url-fetch)
 137              (uri (string-append "mirror://openbsd/OpenSSH/portable/"
 138                                  "openssh-" version ".tar.gz"))
 139              (sha256
 140               (base32
 141                "0wg6ckzvvklbzznijxkk28fb8dnwyjd0w30ra0afwv6gwr8m34j3"))))
 142    (build-system gnu-build-system)
 143    (native-inputs `(("groff" ,groff)
 144                     ("pkg-config" ,pkg-config)))
 145    (inputs `(("libedit" ,libedit)
 146              ("openssl" ,openssl)
 147              ("pam" ,linux-pam)
 148              ("mit-krb5" ,mit-krb5)
 149              ("zlib" ,zlib)
 150              ("xauth" ,xauth)))         ; for 'ssh -X' and 'ssh -Y'
 151    (arguments
 152     `(#:test-target "tests"
 153       ;; Otherwise, the test scripts try to use a nonexistent directory and
 154       ;; fail.
 155       #:make-flags '("REGRESSTMP=\"$${BUILDDIR}/regress\"")
 156       #:configure-flags  `("--sysconfdir=/etc/ssh"
 157
 158                            ;; Default value of 'PATH' used by sshd.
 159                           "--with-default-path=/run/current-system/profile/bin"
 160
 161                           ;; configure needs to find krb5-config.
 162                           ,(string-append "--with-kerberos5="
 163                                           (assoc-ref %build-inputs "mit-krb5")
 164                                           "/bin")
 165
 166                           ;; libedit is needed for sftp completion.
 167                           "--with-libedit"
 168
 169                           ;; Enable PAM support in sshd.
 170                           "--with-pam"
 171
 172                           ;; "make install" runs "install -s" by default,
 173                           ;; which doesn't work for cross-compiled binaries
 174                           ;; because it invokes 'strip' instead of
 175                           ;; 'TRIPLET-strip'.  Work around this.
 176                           ,,@(if (%current-target-system)
 177                                  '("--disable-strip")
 178                                  '()))
 179
 180       #:phases
 181       (modify-phases %standard-phases
 182         (add-after 'configure 'reset-/var/empty
 183          (lambda* (#:key outputs #:allow-other-keys)
 184            (let ((out (assoc-ref outputs "out")))
 185              (substitute* "Makefile"
 186                (("PRIVSEP_PATH=/var/empty")
 187                 (string-append "PRIVSEP_PATH=" out "/var/empty")))
 188              #t)))
 189         (add-before 'check 'patch-tests
 190          (lambda _
 191            (substitute* "regress/test-exec.sh"
 192              (("/bin/sh") (which "sh")))
 193
 194            ;; Remove 't-exec' regress target which requires user 'sshd'.
 195            (substitute* (list "Makefile"
 196                               "regress/Makefile")
 197              (("^(tests:.*) t-exec(.*)" all pre post)
 198               (string-append pre post)))
 199            #t))
 200         (replace 'install
 201          (lambda* (#:key outputs (make-flags '()) #:allow-other-keys)
 202            ;; Install without host keys and system configuration files.
 203            (apply invoke "make" "install-nosysconf" make-flags)
 204            (install-file "contrib/ssh-copy-id"
 205                          (string-append (assoc-ref outputs "out")
 206                                         "/bin/"))
 207            (chmod (string-append (assoc-ref outputs "out")
 208                                  "/bin/ssh-copy-id") #o555)
 209            (install-file "contrib/ssh-copy-id.1"
 210                          (string-append (assoc-ref outputs "out")
 211                                         "/share/man/man1/"))
 212            #t)))))
 213    (synopsis "Client and server for the secure shell (ssh) protocol")
 214    (description
 215     "The SSH2 protocol implemented in OpenSSH is standardised by the
 216 IETF secsh working group and is specified in several RFCs and drafts.
 217 It is composed of three layered components:
 218
 219 The transport layer provides algorithm negotiation and a key exchange.
 220 The key exchange includes server authentication and results in a
 221 cryptographically secured connection: it provides integrity, confidentiality
 222 and optional compression.
 223
 224 The user authentication layer uses the established connection and relies on
 225 the services provided by the transport layer.  It provides several mechanisms
 226 for user authentication.  These include traditional password authentication
 227 as well as public-key or host-based authentication mechanisms.
 228
 229 The connection layer multiplexes many different concurrent channels over the
 230 authenticated connection and allows tunneling of login sessions and
 231 TCP-forwarding.  It provides a flow control service for these channels.
 232 Additionally, various channel-specific options can be negotiated.")
 233    (license (license:non-copyleft "file://LICENSE"
 234                                "See LICENSE in the distribution."))
 235    (home-page "https://www.openssh.com/")))
 236
 237 (define-public guile-ssh
 238   (package
 239     (name "guile-ssh")
 240     (version "0.12.0")
 241     (home-page "https://github.com/artyom-poptsov/guile-ssh")
 242     (source (origin
 243               (method git-fetch)
 244               (uri (git-reference
 245                     (url home-page)
 246                     (commit (string-append "v" version))))
 247               (file-name (string-append name "-" version ".tar.gz"))
 248               (sha256
 249                (base32
 250                 "054hd9rzfhb48gc1hw3rphhp0cnnd4bs5qmidy5ygsyvy9ravlad"))
 251               (modules '((guix build utils)))))
 252     (build-system gnu-build-system)
 253     (outputs '("out" "debug"))
 254     (arguments
 255      `(;; It makes no sense to build libguile-ssh.a.
 256        #:configure-flags '("--disable-static")
 257
 258        #:phases (modify-phases %standard-phases
 259                   (add-before 'build 'fix-libguile-ssh-file-name
 260                     (lambda* (#:key outputs #:allow-other-keys)
 261                       ;; Build and install libguile-ssh.so so that we can use
 262                       ;; its absolute file name in .scm files, before we build
 263                       ;; the .go files.
 264                       (let* ((out (assoc-ref outputs "out"))
 265                              (lib (string-append out "/lib")))
 266                         (invoke "make" "install"
 267                                 "-C" "libguile-ssh"
 268                                 "-j" (number->string
 269                                       (parallel-job-count)))
 270                         (substitute* (find-files "." "\\.scm$")
 271                           (("\"libguile-ssh\"")
 272                            (string-append "\"" lib "/libguile-ssh\"")))
 273                         #t)))
 274                   ,@(if (%current-target-system)
 275                         '()
 276                         '((add-before 'check 'fix-guile-path
 277                              (lambda* (#:key inputs #:allow-other-keys)
 278                                (let ((guile (assoc-ref inputs "guile")))
 279                                  (substitute* "tests/common.scm"
 280                                    (("/usr/bin/guile")
 281                                     (string-append guile "/bin/guile")))
 282                                  #t)))))
 283                   (add-after 'install 'remove-bin-directory
 284                     (lambda* (#:key outputs #:allow-other-keys)
 285                       (let* ((out (assoc-ref outputs "out"))
 286                              (bin (string-append out "/bin"))
 287                              (examples (string-append
 288                                         out "/share/guile-ssh/examples")))
 289                         (mkdir-p examples)
 290                         (rename-file (string-append bin "/ssshd.scm")
 291                                      (string-append examples "/ssshd.scm"))
 292                         (rename-file (string-append bin "/sssh.scm")
 293                                      (string-append examples "/sssh.scm"))
 294                         (delete-file-recursively bin)
 295                         #t))))
 296        ;; Tests are not parallel-safe.
 297        #:parallel-tests? #f))
 298     (native-inputs `(("autoconf" ,autoconf)
 299                      ("automake" ,automake)
 300                      ("libtool" ,libtool)
 301                      ("texinfo" ,texinfo)
 302                      ("pkg-config" ,pkg-config)
 303                      ("which" ,which)
 304                      ("guile" ,guile-3.0))) ;needed when cross-compiling.
 305     (inputs `(("guile" ,guile-3.0)
 306               ("libssh" ,libssh)
 307               ("libgcrypt" ,libgcrypt)))
 308     (synopsis "Guile bindings to libssh")
 309     (description
 310      "Guile-SSH is a library that provides access to the SSH protocol for
 311 programs written in GNU Guile interpreter.  It is a wrapper to the underlying
 312 libssh library.")
 313     (license license:gpl3+)))
 314
 315 (define-public guile2.0-ssh
 316   (package
 317     (inherit guile-ssh)
 318     (name "guile2.0-ssh")
 319     (native-inputs
 320      `(("guile" ,guile-2.0) ;needed when cross-compiling.
 321        ,@(alist-delete "guile" (package-native-inputs guile-ssh))))
 322     (inputs `(("guile" ,guile-2.0)
 323               ,@(alist-delete "guile" (package-inputs guile-ssh))))))
 324
 325 (define-public guile2.2-ssh
 326   (package
 327     (inherit guile-ssh)
 328     (name "guile2.2-ssh")
 329     (native-inputs
 330      `(("guile" ,guile-2.2) ;needed when cross-compiling.
 331        ,@(alist-delete "guile" (package-native-inputs guile-ssh))))
 332     (inputs `(("guile" ,guile-2.2)
 333               ,@(alist-delete "guile" (package-inputs guile-ssh))))))
 334
 335 (define-public guile3.0-ssh
 336   (deprecated-package "guile3.0-ssh" guile-ssh))
 337
 338 (define-public corkscrew
 339   (package
 340     (name "corkscrew")
 341     (version "2.0")
 342     (source
 343      (origin
 344        (method url-fetch)
 345        ;; The agroman.net domain name expired on 2017-03-23, and the original
 346        ;; "http://www.agroman.net/corkscrew/corkscrew-2.0.tar.gz" now returns
 347        ;; bogus HTML.  Perhaps it will yet return.  Until then, use a mirror.
 348        (uri (string-append "https://downloads.openwrt.org/sources/"
 349                            "corkscrew-" version ".tar.gz"))
 350        (sha256 (base32
 351                 "1gmhas4va6gd70i2x2mpxpwpgww6413mji29mg282jms3jscn3qd"))))
 352     (build-system gnu-build-system)
 353     (arguments
 354      `(#:phases
 355        (modify-phases %standard-phases
 356          (replace 'configure
 357            ;; Replace configure phase as the ./configure script does not like
 358            ;; CONFIG_SHELL and SHELL passed as parameters
 359            (lambda* (#:key outputs build target #:allow-other-keys)
 360              (let* ((out   (assoc-ref outputs "out"))
 361                     (bash  (which "bash"))
 362                     ;; Set --build and --host flags as the provided config.guess
 363                     ;; is not able to detect them
 364                     (flags `(,(string-append "--prefix=" out)
 365                              ,(string-append "--build=" build)
 366                              ,(string-append "--host=" (or target build)))))
 367                (setenv "CONFIG_SHELL" bash)
 368                (apply invoke bash "./configure" flags))))
 369          (add-after 'install 'install-documentation
 370            (lambda* (#:key outputs #:allow-other-keys)
 371              (let* ((out (assoc-ref outputs "out"))
 372                     (doc (string-append out "/share/doc/" ,name "-" ,version)))
 373                (install-file "README" doc)
 374                #t))))))
 375     (home-page "http://www.agroman.net/corkscrew")
 376     (synopsis "SSH tunneling through HTTP(S) proxies")
 377     (description
 378      "Corkscrew tunnels SSH connections through most HTTP and HTTPS proxies.
 379 Proxy authentication is only supported through the plain-text HTTP basic
 380 authentication scheme.")
 381     (license license:gpl2+)))
 382
 383 (define-public mosh
 384   (package
 385     (name "mosh")
 386     (version "1.3.2")
 387     (source (origin
 388               (method url-fetch)
 389               (uri (string-append "https://mosh.org/mosh-" version ".tar.gz"))
 390               (sha256
 391                (base32
 392                 "05hjhlp6lk8yjcy59zywpf0r6s0h0b9zxq0lw66dh9x8vxrhaq6s"))))
 393     (build-system gnu-build-system)
 394     (arguments
 395      '(#:phases
 396        (modify-phases %standard-phases
 397          (add-after 'install 'wrap
 398            (lambda* (#:key outputs #:allow-other-keys)
 399              ;; Make sure 'mosh' can find 'mosh-client' and
 400              ;; 'mosh-server'.
 401              (let* ((out (assoc-ref outputs "out"))
 402                     (bin (string-append out "/bin")))
 403                (wrap-program (string-append bin "/mosh")
 404                              `("PATH" ":" prefix (,bin)))))))))
 405     (native-inputs
 406      `(("pkg-config" ,pkg-config)))
 407     (inputs
 408      `(("openssl" ,openssl)
 409        ("perl" ,perl)
 410        ("perl-io-tty" ,perl-io-tty)
 411        ("zlib" ,zlib)
 412        ("ncurses" ,ncurses)
 413        ("protobuf" ,protobuf)
 414        ("boost-headers" ,boost)))
 415     (home-page "https://mosh.org/")
 416     (synopsis "Remote shell tolerant to intermittent connectivity")
 417     (description
 418      "Mosh is a remote terminal application that allows client roaming, supports
 419 intermittent connectivity, and provides intelligent local echo and line editing
 420 of user keystrokes.  It's a replacement for SSH that's more robust and
 421 responsive, especially over Wi-Fi, cellular, and long-distance links.")
 422     (license license:gpl3+)))
 423
 424 (define-public et
 425   (package
 426     (name "et")
 427     (version "3.1.0")
 428     (source
 429      (origin
 430        (method git-fetch)
 431        (uri (git-reference
 432              (url "https://github.com/MisterTea/EternalTCP.git")
 433              (commit (string-append "et-v" version))))
 434        (file-name (git-file-name name version))
 435        (sha256
 436         (base32 "1m5caxckn2ihwp9s2pbyh5amxlpwr7yc54q8s0kb10fr52w2vfnm"))))
 437     (build-system cmake-build-system)
 438     (arguments `(#:tests? #f))
 439     (native-inputs
 440      `(("pkg-config" ,pkg-config)))
 441     (inputs `(("glog" ,glog)
 442               ("gflags" ,gflags)
 443               ("libsodium" ,libsodium)
 444               ("protobuf" ,protobuf)))
 445     (synopsis "Remote shell that automatically reconnects")
 446     (description
 447      "Eternal Terminal (ET) is a remote shell that automatically reconnects
 448 without interrupting the session.  Unlike SSH sessions, ET sessions will
 449 survive even network outages and IP changes.  ET uses a custom protocol over
 450 TCP, not the SSH protocol.")
 451     (home-page "https://eternalterminal.dev/")
 452     (license license:asl2.0)))
 453
 454 (define-public dropbear
 455   (package
 456     (name "dropbear")
 457     (version "2019.78")
 458     (source
 459      (origin
 460        (method url-fetch)
 461        (uri (string-append
 462              "https://matt.ucc.asn.au/dropbear/releases/"
 463              "dropbear-" version ".tar.bz2"))
 464        (sha256
 465         (base32 "19242qlr40pbqfqd0gg6h8qpj38q6lgv03ja6sahj9vj2abnanaj"))))
 466     (build-system gnu-build-system)
 467     (arguments `(#:tests? #f))  ; there is no "make check" or anything similar
 468     ;; TODO: Investigate unbundling libtommath and libtomcrypt or at least
 469     ;; cherry-picking important bug fixes from them. See <bugs.gnu.org/24674>
 470     ;; for more information.
 471     (inputs `(("zlib" ,zlib)))
 472     (synopsis "Small SSH server and client")
 473     (description "Dropbear is a relatively small SSH server and
 474 client.  It runs on a variety of POSIX-based platforms.  Dropbear is
 475 particularly useful for embedded systems, such as wireless routers.")
 476     (home-page "https://matt.ucc.asn.au/dropbear/dropbear.html")
 477     (license (license:x11-style "" "See file LICENSE."))))
 478
 479 (define-public liboop
 480   (package
 481     (name "liboop")
 482     (version "1.0.1")
 483     (source
 484      (origin
 485       (method url-fetch)
 486       (uri (string-append "http://ftp.lysator.liu.se/pub/liboop/"
 487                           name "-" version ".tar.gz"))
 488       (sha256
 489        (base32
 490         "1q0p1l72pq9k3bi7a366j2rishv7dzzkg3i6r2npsfg7cnnidbsn"))))
 491     (build-system gnu-build-system)
 492     (home-page "https://www.lysator.liu.se/liboop/")
 493     (synopsis "Event loop library")
 494     (description "Liboop is a low-level event loop management library for
 495 POSIX-based operating systems.  It supports the development of modular,
 496 multiplexed applications which may respond to events from several sources.  It
 497 replaces the \"select() loop\" and allows the registration of event handlers
 498 for file and network I/O, timers and signals.  Since processes use these
 499 mechanisms for almost all external communication, liboop can be used as the
 500 basis for almost any application.")
 501     (license license:lgpl2.1+)))
 502
 503 (define-public lsh
 504   (package
 505     (name "lsh")
 506     (version "2.1")
 507     (source (origin
 508               (method url-fetch)
 509               (uri (string-append "mirror://gnu/lsh/lsh-"
 510                                   version ".tar.gz"))
 511               (sha256
 512                (base32
 513                 "1qqjy9zfzgny0rkb27c8c7dfsylvb6n0ld8h3an2r83pmaqr9gwb"))
 514               (modules '((guix build utils)))
 515               (snippet
 516                '(begin
 517                   (substitute* "src/testsuite/functions.sh"
 518                     (("localhost")
 519                      ;; Avoid host name lookups since they don't work in
 520                      ;; chroot builds.
 521                      "127.0.0.1")
 522                     (("set -e")
 523                      ;; Make tests more verbose.
 524                      "set -e\nset -x"))
 525
 526                   (substitute* (find-files "src/testsuite" "-test$")
 527                     (("localhost") "127.0.0.1"))
 528
 529                   (substitute* "src/testsuite/login-auth-test"
 530                     (("/bin/cat") "cat"))
 531                   #t))))
 532     (build-system gnu-build-system)
 533     (native-inputs
 534      `(("m4" ,m4)
 535        ("guile" ,guile-2.0)
 536        ("gperf" ,gperf)
 537        ("psmisc" ,psmisc)))                       ; for `killall'
 538     (inputs
 539      `(("nettle" ,nettle-2)
 540        ("linux-pam" ,linux-pam)
 541
 542        ;; 'rl.c' uses the 'CPPFunction' type, which is no longer in
 543        ;; Readline 6.3.
 544        ("readline" ,readline-6.2)
 545
 546        ("liboop" ,liboop)
 547        ("zlib" ,zlib)
 548        ("gmp" ,gmp)
 549
 550        ;; The server (lshd) invokes xauth when X11 forwarding is requested.
 551        ;; This adds 24 MiB (or 27%) to the closure of lsh.
 552        ("xauth" ,xauth)))
 553     (arguments
 554      '(;; Skip the `configure' test that checks whether /dev/ptmx &
 555        ;; co. work as expected, because it relies on impurities (for
 556        ;; instance, /dev/pts may be unavailable in chroots.)
 557        #:configure-flags '("lsh_cv_sys_unix98_ptys=yes"
 558
 559                            ;; Use glibc's argp rather than the bundled one.
 560                            "--with-system-argp"
 561
 562                            ;; 'lsh_argp.h' checks HAVE_ARGP_PARSE but nothing
 563                            ;; defines it.
 564                            "CPPFLAGS=-DHAVE_ARGP_PARSE")
 565
 566        ;; FIXME: Tests won't run in a chroot, presumably because
 567        ;; /etc/profile is missing, and thus clients get an empty $PATH
 568        ;; and nothing works.
 569        #:tests? #f
 570
 571        #:phases
 572        (modify-phases %standard-phases
 573          (add-before 'configure 'pre-configure
 574            (lambda* (#:key inputs #:allow-other-keys)
 575              (let* ((nettle    (assoc-ref inputs "nettle"))
 576                     (sexp-conv (string-append nettle "/bin/sexp-conv")))
 577                ;; Remove argp from the list of sub-directories; we don't want
 578                ;; to build it, really.
 579                (substitute* "src/Makefile.in"
 580                  (("^SUBDIRS = argp")
 581                   "SUBDIRS ="))
 582
 583                ;; Make sure 'lsh' and 'lshd' pick 'sexp-conv' in the right place
 584                ;; by default.
 585                (substitute* "src/environ.h.in"
 586                  (("^#define PATH_SEXP_CONV.*")
 587                   (string-append "#define PATH_SEXP_CONV \""
 588                                  sexp-conv "\"\n")))
 589
 590                ;; Same for the 'lsh-authorize' script.
 591                (substitute* "src/lsh-authorize"
 592                  (("=sexp-conv")
 593                   (string-append "=" sexp-conv)))
 594
 595                ;; Tell lshd where 'xauth' lives.  Another option would be to
 596                ;; hardcode "/run/current-system/profile/bin/xauth", thereby
 597                ;; reducing the closure size, but that wouldn't work on foreign
 598                ;; distros.
 599                (with-fluids ((%default-port-encoding "ISO-8859-1"))
 600                  (substitute* "src/server_x11.c"
 601                    (("define XAUTH_PROGRAM.*")
 602                     (string-append "define XAUTH_PROGRAM \""
 603                                    (assoc-ref inputs "xauth")
 604                                    "/bin/xauth\"\n")))))
 605
 606              ;; Tests rely on $USER being set.
 607              (setenv "USER" "guix"))))))
 608     (home-page "https://www.lysator.liu.se/~nisse/lsh/")
 609     (synopsis "GNU implementation of the Secure Shell (ssh) protocols")
 610     (description
 611      "GNU lsh is a free implementation of the SSH version 2 protocol.  It is
 612 used to create a secure line of communication between two computers,
 613 providing shell access to the server system from the client.  It provides
 614 both the server daemon and the client application, as well as tools for
 615 manipulating key files.")
 616     (license license:gpl2+)))
 617
 618 (define-public sshpass
 619   (package
 620     (name "sshpass")
 621     (version "1.06")
 622     (synopsis "Non-interactive password authentication with SSH")
 623     (home-page "https://sourceforge.net/projects/sshpass/")
 624     (source
 625      (origin
 626        (method url-fetch)
 627        (uri (string-append "mirror://sourceforge/sshpass/sshpass/"
 628                            version "/sshpass-" version ".tar.gz"))
 629        (sha256
 630         (base32
 631          "0q7fblaczb7kwbsz0gdy9267z0sllzgmf0c7z5c9mf88wv74ycn6"))))
 632     (build-system gnu-build-system)
 633     (description "sshpass is a tool for non-interactivly performing password
 634 authentication with SSH's so-called @dfn{interactive keyboard password
 635 authentication}.")
 636     (license license:gpl2+)))
 637
 638 (define-public autossh
 639   (package
 640     (name "autossh")
 641     (version "1.4g")
 642     (source
 643      (origin
 644        (method url-fetch)
 645        (uri (string-append
 646              "https://www.harding.motd.ca/autossh/autossh-"
 647              version ".tgz"))
 648        (sha256
 649         (base32 "0xqjw8df68f4kzkns5gcah61s5wk0m44qdk2z1d6388w6viwxhsz"))))
 650     (build-system gnu-build-system)
 651     (arguments `(#:tests? #f)) ; There is no "make check" or anything similar
 652     (inputs `(("openssh" ,openssh)))
 653     (synopsis "Automatically restart SSH sessions and tunnels")
 654     (description "autossh is a program to start a copy of @command{ssh} and
 655 monitor it, restarting it as necessary should it die or stop passing traffic.")
 656     (home-page "https://www.harding.motd.ca/autossh/")
 657     (license
 658      ;; Why point to a source file?  Well, all the individual files have a
 659      ;; copy of this license in their headers, but there's no separate file
 660      ;; with that information.
 661      (license:non-copyleft "file://autossh.c"))))
 662
 663 (define-public pdsh
 664   (package
 665     (name "pdsh")
 666     (version "2.34")
 667     (source
 668      (origin
 669        (method url-fetch)
 670        (uri (string-append "https://github.com/chaos/pdsh/"
 671                            "releases/download/pdsh-" version
 672                            "/pdsh-" version ".tar.gz"))
 673        (sha256
 674         (base32 "1s91hmhrz7rfb6h3l5k97s393rcm1ww3svp8dx5z8vkkc933wyxl"))))
 675     (build-system gnu-build-system)
 676     (arguments
 677      `(#:configure-flags
 678        (list "--with-ssh")
 679        #:phases
 680        (modify-phases %standard-phases
 681          (add-after 'unpack 'patch-/bin/sh
 682            (lambda _
 683              (substitute* '("tests/t0006-pdcp.sh"
 684                             "tests/t0004-module-loading.sh"
 685                             "tests/t2001-ssh.sh"
 686                             "tests/t1003-slurm.sh"
 687                             "tests/t6036-long-output-lines.sh"
 688                             "tests/aggregate-results.sh"
 689                             "tests/t2000-exec.sh"
 690                             "tests/t0002-internal.sh"
 691                             "tests/t1002-dshgroup.sh"
 692                             "tests/t5000-dshbak.sh"
 693                             "tests/t0001-basic.sh"
 694                             "tests/t0005-rcmd_type-and-user.sh"
 695                             "tests/test-lib.sh"
 696                             "tests/t2002-mrsh.sh"
 697                             "tests/t0003-wcoll.sh"
 698                             "tests/test-modules/pcptest.c")
 699                (("/bin/sh") (which "bash")))
 700              #t))
 701          (add-after 'unpack 'patch-tests
 702            (lambda _
 703              (substitute* "tests/t6036-long-output-lines.sh"
 704                (("which") (which "which")))
 705              #t)))))
 706     (inputs
 707      `(("openssh" ,openssh)
 708        ("mit-krb5" ,mit-krb5)
 709        ("perl" ,perl)))
 710     (native-inputs
 711      `(("which" ,which)))
 712     (home-page "https://github.com/chaos/pdsh")
 713     (synopsis "Parallel distributed shell")
 714     (description "Pdsh is a an efficient, multithreaded remote shell client
 715 which executes commands on multiple remote hosts in parallel.  Pdsh implements
 716 dynamically loadable modules for extended functionality such as new remote
 717 shell services and remote host selection.")
 718     (license license:gpl2+)))
 719
 720 (define-public clustershell
 721   (package
 722     (name "clustershell")
 723     (version "1.8.3")
 724     (source
 725      (origin
 726        (method url-fetch)
 727        (uri (string-append "https://github.com/cea-hpc/clustershell/releases"
 728                            "/download/v" version
 729                            "/ClusterShell-" version ".tar.gz"))
 730        (sha256
 731         (base32 "1qdcgh733szwj9r1gambrgfkizvbjci0bnnkds9a8mnyb3sasnan"))))
 732     (build-system python-build-system)
 733     (inputs `(("openssh" ,openssh)))
 734     (propagated-inputs `(("python-pyyaml" ,python-pyyaml)))
 735     (arguments
 736      `(#:phases (modify-phases %standard-phases
 737                   (add-before 'build 'record-openssh-file-name
 738                     (lambda* (#:key inputs #:allow-other-keys)
 739                       (let ((ssh (assoc-ref inputs "openssh")))
 740                         (substitute* "lib/ClusterShell/Worker/Ssh.py"
 741                           (("info\\(\"ssh_path\"\\) or \"ssh\"")
 742                            (string-append "info(\"ssh_path\") or \""
 743                                           ssh "/bin/ssh\"")))
 744                         #t))))))
 745     (home-page "https://cea-hpc.github.io/clustershell/")
 746     (synopsis "Scalable event-driven Python framework for cluster administration")
 747     (description
 748      "ClusterShell is an event-driven Python framework, designed to run local
 749 or distant commands in parallel on server farms or on large GNU/Linux
 750 clusters.  It will take care of common issues encountered on HPC clusters,
 751 such as operating on groups of nodes, running distributed commands using
 752 optimized execution algorithms, as well as gathering results and merging
 753 identical outputs, or retrieving return codes.  ClusterShell takes advantage
 754 of existing remote shell facilities such as SSH.")
 755     (license license:lgpl2.1+)))
 756
 757 (define-public endlessh
 758   (package
 759     (name "endlessh")
 760     (version "1.1")
 761     (source
 762       (origin
 763         (method git-fetch)
 764         (uri (git-reference
 765               (url "https://github.com/skeeto/endlessh.git")
 766               (commit version)))
 767         (file-name (git-file-name name version))
 768         (sha256
 769          (base32 "0ziwr8j1frsp3dajr8h5glkm1dn5cci404kazz5w1jfrp0736x68"))))
 770     (build-system gnu-build-system)
 771     (arguments
 772      '(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
 773                           "CC=gcc")
 774        #:tests? #f                      ; no test target
 775        #:phases
 776        (modify-phases %standard-phases
 777          (delete 'configure))))         ; no configure script
 778     (home-page "https://github.com/skeeto/endlessh")
 779     (synopsis "SSH tarpit that slowly sends an endless banner")
 780     (description
 781      "Endlessh is an SSH tarpit that very slowly sends an endless, random SSH
 782 banner.  It keeps SSH clients locked up for hours or even days at a time.  The
 783 purpose is to put your real SSH server on another port and then let the script
 784 kiddies get stuck in this tarpit instead of bothering a real server.
 785
 786 Since the tarpit is in the banner before any cryptographic exchange occurs, this
 787 program doesn't depend on any cryptographic libraries.  It's a simple,
 788 single-threaded, standalone C program.  It uses @code{poll()} to trap multiple
 789 clients at a time.")
 790     (license license:unlicense)))