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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 John Darrington <jmd@gnu.org>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2015, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016, 2017, 2018, 2022 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2021 Marius Bakke <marius@gnu.org>
;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2022 Petr Hodina <phodina@protonmail.com>
;;;
;;; 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 ntp)
#:use-module (gnu packages)
#:use-module (gnu packages autotools)
#:use-module (gnu packages base)
#:use-module (gnu packages libevent)
#:use-module (gnu packages linux)
#:use-module (gnu packages nettle)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages readline)
#:use-module (gnu packages tls)
#:use-module (guix build-system gnu)
#:use-module (guix download)
#:use-module (guix gexp)
#:use-module (guix git-download)
#:use-module ((guix licenses) #:prefix l:)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (srfi srfi-1))
(define-public chrony
(package
(name "chrony")
(version "4.3")
(source
(origin
(method url-fetch)
(uri (string-append "https://download.tuxfamily.org/chrony/"
"chrony-" version ".tar.gz"))
(sha256
(base32 "0148bgzymdigkjs66fihrqw98g1yf6vgy40nlajqkw35m24sh3cx"))))
(build-system gnu-build-system)
(arguments
`(#:modules ((srfi srfi-26)
(guix build utils)
(guix build gnu-build-system))
#:configure-flags
(list "--enable-scfilter"
"--with-sendmail=sendmail"
"--with-user=chrony")
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'stay-inside-out
;; Simply setting CHRONYVARDIR to something nonsensical at install
;; time would result in nonsense file names in man pages.
(lambda _
(substitute* "Makefile.in"
(("mkdir -p \\$\\(DESTDIR\\)\\$\\(CHRONYVARDIR\\)") ":"))))
(add-after 'install 'install-more-documentation
(lambda* (#:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(doc (string-append out "/share/doc/" ,name "-" ,version)))
(for-each (cut install-file <> doc)
(list "README" "FAQ"))
(copy-recursively "examples" (string-append doc "/examples"))))))))
(native-inputs
(list pkg-config))
(inputs
(list gnutls libcap libseccomp nettle))
(home-page "https://chrony.tuxfamily.org/")
(synopsis "System clock synchronisation service that speaks NTP")
(description
"Chrony keeps your system time accurate. It synchronises your computer's
clock with @acronym{NTP, Network Time Protocol} servers, reference clocks such
as GPS receivers, or even manual input of the correct time from a wristwatch.
Chrony will determine the rate at which the computer gains or loses time, and
compensate for it. It can also operate as an NTPv4 (RFC 5905) server and peer
to tell time to other computers on the network.
It's designed to perform well even under adverse conditions: congested
networks, unreliable clocks drifting with changes in temperature, and devices
or virtual machines that are frequently turned off and connect to the Internet
for only a few minutes at a time.
Typical accuracy when synchronised over the Internet is several milliseconds.
On a local network this can reach tens of microseconds. With hardware
time-stamping or reference clock, sub-microsecond accuracy is possible.")
(license l:gpl2)))
(define-public ntp
(package
(name "ntp")
(version "4.2.8p17")
(source
(origin
(method url-fetch)
(uri (list (string-append
"https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-"
(version-major+minor version)
"/ntp-" version ".tar.gz")
(string-append
"http://archive.ntp.org/ntp4/ntp-"
(version-major+minor version)
"/ntp-" version ".tar.gz")))
(sha256
(base32 "0rm8sf4qwcip49wgpgcp2dpwspsm0ad5xkkxy26mnv56wrrd4g8h"))
(modules '((guix build utils)))
(snippet
'(begin
;; Remove the bundled copy of libevent, but we must keep
;; sntp/libevent/build-aux since configure.ac contains
;; AC_CONFIG_AUX_DIR([sntp/libevent/build-aux])
(rename-file "sntp/libevent/build-aux"
"sntp/libevent:build-aux")
(delete-file-recursively "sntp/libevent")
(mkdir "sntp/libevent")
(rename-file "sntp/libevent:build-aux"
"sntp/libevent/build-aux")))))
(native-inputs (list which pkg-config))
(inputs
(cons* openssl-1.1
libevent
;; Build with POSIX capabilities support on GNU/Linux. This allows
;; 'ntpd' to run as non-root (when invoked with '-u'.)
(if (target-linux?)
(list libcap)
'())))
(arguments
(list
;; Pass "--with-yielding-select=yes" so that 'configure' knows whether
;; 'select' yields when using pthreads in a cross-compilation context.
#:configure-flags
#~(list "--with-yielding-select=yes")
#:phases
#~(modify-phases %standard-phases
(add-after 'unpack 'disable-network-test
(lambda _
(substitute* "tests/libntp/Makefile.in"
(("test-decodenetnum\\$\\(EXEEXT\\) ") "")))))))
(build-system gnu-build-system)
(synopsis "Real time clock synchronization system")
(description "NTP is a system designed to synchronize the clocks of
computers over a network.")
(license (l:x11-style
"https://www.eecis.udel.edu/~mills/ntp/html/copyright.html"
"A non-copyleft free licence from the University of Delaware"))
(home-page "https://www.ntp.org")))
(define-public openntpd
(package
(name "openntpd")
(version "6.8p1")
(source (origin
(method url-fetch)
(uri (string-append
"mirror://openbsd/OpenNTPD/openntpd-" version ".tar.gz"))
(sha256
(base32
"0ijsylc7a4jlpxsqa0jq1w1c7333id8pcakzl7a5749ria1xp0l5"))))
(build-system gnu-build-system)
(arguments
`(#:configure-flags
(let* ((libressl (assoc-ref %build-inputs "libressl"))
(libressl-version ,(package-version
(car (assoc-ref (package-inputs this-package)
"libressl")))))
(list "--with-privsep-user=ntpd"
"--localstatedir=/var"
(string-append "--with-cacert=" libressl
"/share/libressl-" libressl-version
"/cert.pem")))
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'modify-install-locations
(lambda _
;; Don't try to create /var/run or /var/db
(substitute* "src/Makefile.in"
(("DESTDIR\\)\\$\\(localstatedir") "TMPDIR"))
#t)))))
(inputs
(list libressl)) ; enable TLS time constraints. See ntpd.conf(5).
(home-page "https://www.openntpd.org/")
(synopsis "NTP client and server by the OpenBSD Project")
(description "OpenNTPD is the OpenBSD Project's implementation of a client
and server for the Network Time Protocol. Its design goals include being
secure, easy to configure, and accurate enough for most purposes, so it's more
minimalist than ntpd.")
(properties
'((release-monitoring-url . "https://cdn.openbsd.org/pub/OpenBSD/OpenNTPD")))
;; A few of the source files are under bsd-3.
(license (list l:isc l:bsd-3))))
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