From owner-freebsd-security@freebsd.org Wed Jul 1 20:27:47 2015 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 74E829924EE for ; Wed, 1 Jul 2015 20:27:47 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (vps.rulingia.com [103.243.244.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "vps.rulingia.com", Issuer "CAcert Class 3 Root" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id E0D82268F for ; Wed, 1 Jul 2015 20:27:46 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from server.rulingia.com (c220-239-242-83.belrs5.nsw.optusnet.com.au [220.239.242.83]) by vps.rulingia.com (8.14.9/8.14.9) with ESMTP id t61KRZ0b012639 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Jul 2015 06:27:41 +1000 (AEST) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.14.9/8.14.9) with ESMTP id t61KRUCI056834 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 2 Jul 2015 06:27:30 +1000 (AEST) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.14.9/8.14.9/Submit) id t61KRSSH056833; Thu, 2 Jul 2015 06:27:28 +1000 (AEST) (envelope-from peter) Date: Thu, 2 Jul 2015 06:27:28 +1000 From: Peter Jeremy To: Leif Pedersen Cc: "freebsd-security@freebsd.org" Subject: Re: Leap Second Message-ID: <20150701202728.GA9532@server.rulingia.com> References: <1435154274.964221.306546033.052903CD@webmail.messagingengine.com> <86bnfwxa4m.fsf@nine.des.no> <1435758941.105242.312562265.3103CECB@webmail.messagingengine.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RnlQjJ0d97Da+TV1" Content-Disposition: inline In-Reply-To: X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Jul 2015 20:27:47 -0000 --RnlQjJ0d97Da+TV1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2015-Jul-01 12:46:21 -0500, Leif Pedersen wrote: >Is there a reasonable way to enable awareness of leap-seconds while syncing >with ntpd? That is to say, how can I get the system to include leap-seconds >in calculating `date +%s`, without having `date` be off by 26[1] seconds? ntpd(8) has provision for specifying a leapsecond file which presumably makes it leap-second aware. I haven't looked into the details. There's also posix2time(3) to convert between a TAI-based time_t and a POSIX-based time_t. --=20 Peter Jeremy --RnlQjJ0d97Da+TV1 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJVlE0wXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0E4QP/j6Cv45gktUsLeZHjhbn1pD3 0G1H/ZiJfmFqJBEmHTiADZW2mzj/TZ3uYZBuoMYLtRHAfLXWqPd595WDk1NHWaZj /JRRKqmZCTmu50AWycTbknN7Kgy0HRJSWBK2Pxi122bv83GuuaJC6/+XASc+q1Nr nolvFpbw7gQDYyq50vNNm6CRfFDE+VgnAoNwMGcLeq5LeP7Ol32YiSUId0mr7iJ9 8LTcdXmW/3gARuAMatjjYXPaQft49/Dfz+OpWhB4yUwEQup/igAKdQLs+L2/lL3A CpeRp5YRbaPUf7+sv2X3ncX+bGkSjGqwjfAD/pLXc1kZyNgjILzPw+KbTCbUQsUk wFxUHZOVCThoMw4zced4Yp70dP8/Tx6oWkVjpb/y4fme713KGEqb8Xw64CMPJqGj OWp6hYkh2HA5zRxSZ6N4x189S+9DmXzmXlHv5vFpuJoTFanFKQ3dQNzMPPM74XDY BcjJ/ZNtGRlpFCCuWJIXp7S9kKhMHtu2hpYqbaDUjti0YAa5LQUhi9pecH7rq1Kz akRLWms6P38GjDl2yUMGgUUIQBk8B8w7IoD2cRldQ6RL3PP0MiAFV8wl6C+2ER5/ +UDHpRen3rC5ljEoeZ6B55MlQOavtxpZ4S25cPgPaPTmNUvaXAlzV+5B3bO5PrNG wjmsjWQuu6brr9Wf+WK8 =yFtm -----END PGP SIGNATURE----- --RnlQjJ0d97Da+TV1--