From owner-freebsd-hackers@freebsd.org Wed Mar 13 13:02:07 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0F3521532C8B for ; Wed, 13 Mar 2019 13:02:07 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 6B8A876A12 for ; Wed, 13 Mar 2019 13:02:06 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: by mailman.ysv.freebsd.org (Postfix) id 2AB451532C8A; Wed, 13 Mar 2019 13:02:06 +0000 (UTC) Delivered-To: hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 165771532C89 for ; Wed, 13 Mar 2019 13:02:06 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:d12:604::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 8BA1076A0E; Wed, 13 Mar 2019 13:02:05 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13:0:0:0:5]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id x2DD1qPT097289 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 13 Mar 2019 14:01:54 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: dim@FreeBSD.org Received: from [10.58.0.4] (dadv@[10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id x2DD1pDv005300 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 13 Mar 2019 20:01:52 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: /usr/sbin/ntpd runs as uid=123 not root on 12.0 & fails To: Dimitry Andric , "Julian H. Stacey" References: <201903131150.x2DBo75m071495@fire.js.berklix.net> <19EB99F0-20E9-4FB9-98CF-118E3CDDE154@FreeBSD.org> Cc: hackers@freebsd.org From: Eugene Grosbein Message-ID: Date: Wed, 13 Mar 2019 20:01:51 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <19EB99F0-20E9-4FB9-98CF-118E3CDDE154@FreeBSD.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 SPF_PASS SPF: sender matches SPF record * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 8BA1076A0E X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.98 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.980,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Mar 2019 13:02:07 -0000 13.03.2019 19:06, Dimitry Andric wrote: > On 13 Mar 2019, at 12:50, Julian H. Stacey wrote: >> Has anyone else noticed release 12.0-p3 /usr/sbin/ntpd runs as >> uid=123 not root on 12.0, the process runs, But fails to correct >> the time ! Next thing to diagnose it, would be a kill of ntpd & >> restart direct as root, I'm not root there so I'll wait for that. >> >> Are others 12 systems slipping time too ? > > My systems are working fine, even though ntpd is running as user ntpd. > > There's this new part in /etc/rc.d/ntpd, which may be the reason it is > not working for you: > > # Try to set up the the MAC ntpd policy so ntpd can run with reduced > # privileges. Detect whether MAC is compiled into the kernel, load > # the policy module if not already present, then check whether the > # policy has been disabled via tunable or sysctl. > [ -n "$(sysctl -qn security.mac.version)" ] || return 1 > sysctl -qn security.mac.ntpd >/dev/null || kldload -qn mac_ntpd || return 1 > [ "$(sysctl -qn security.mac.ntpd.enabled)" == "1" ] || return 1 > > So it tries to setup that MAC policy, which shows up in syslog like: > > kernel: Security policy loaded: MAC/ntpd (mac_ntpd) > ntpd[810]: ntpd 4.2.8p12-a (1): Starting > ntpd[811]: leapsecond file ('/var/db/ntpd.leap-seconds.list'): good hash signature > ntpd[811]: leapsecond file ('/var/db/ntpd.leap-seconds.list'): loaded, expire=2019-06-28T00:00:00Z last=2017-01-01T00:00:00Z ofs=37 > > Maybe on your system something goes wrong loading the mac_ntpd module, Loading mac_XXX modules requires options MAC in running kernel. GENERIC has options but custom kernel may lack it.