;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Andreas Enge <andreas@enge.fr>
;;;
;;; 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 mit-krb5)
  #:use-module (gnu packages)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages perl)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu))

(define-public mit-krb5
  (package
   (name "mit-krb5")
   (version "1.11.3")
   (source (origin
            (method url-fetch)
            (uri (string-append "http://web.mit.edu/kerberos/www/dist/krb5/"
                                (string-copy version 0 (string-rindex version #\.))
                                "/krb5-" version "-signed.tar"))
            (sha256 (base32
                     "1daiaxgkxcryqs37w28v4x1vajqmay4l144d1zd9c2d7jjxr9gcs"))))
   (build-system gnu-build-system)
   (native-inputs
    `(("patch/init-fix" ,(search-patch "mit-krb5-init-fix.patch"))))
   (inputs `(("bison" ,bison)
             ("perl" ,perl)))
   (arguments
    '(#:phases
      (alist-replace
       'unpack
       (lambda* (#:key source #:allow-other-keys)
         (let ((inner
                (substring source
                           (string-index-right source #\k)
                           (string-index-right source #\-))))
           (and (zero? (system* "tar" "xvf" source))
                (zero? (system* "tar" "xvf" (string-append inner ".tar.gz")))
                (chdir inner)
                (chdir "src")
                ;; XXX The current patch system does not support unusual
                ;; source unpack methods, so we have to apply this patch in a
                ;; non-standard way.
                (zero? (system* "patch" "-p1" "--batch" "-i"
                                (assoc-ref %build-inputs "patch/init-fix"))))))
       (alist-replace
        'check
        (lambda* (#:key inputs #:allow-other-keys #:rest args)
          (let ((perl (assoc-ref inputs "perl"))
                (check (assoc-ref %standard-phases 'check)))
            (substitute* "plugins/kdb/db2/libdb2/test/run.test"
              (("/bin/cat") (string-append perl "/bin/perl")))
            (substitute* "plugins/kdb/db2/libdb2/test/run.test"
              (("D/bin/sh") (string-append "D" (which "bash"))))
            (substitute* "plugins/kdb/db2/libdb2/test/run.test"
              (("bindir=/bin/.") (string-append "bindir=" perl "/bin")))
            ;; use existing files and directories in test
            (substitute* "tests/resolve/Makefile"
              (("-p telnet") "-p 23"))
            ;; avoid service names since /etc/services is unavailable
            (apply check args)))
        %standard-phases))))
   (synopsis "MIT Kerberos 5")
   (description
    "Massachusetts Institute of Technology implementation of Kerberos.
Kerberos is a network authentication protocol designed to provide strong
authentication for client/server applications by using secret-key cryptography.")
   (license (bsd-style "file://NOTICE"
                       "See NOTICE in the distribution."))
   (home-page "http://web.mit.edu/kerberos/")))
