Date: Tue, 27 Mar 2001 13:12:47 +0200 From: Jesper Skriver <jesper@skriver.dk> To: Jeroen Ruigrok/Asmodai <asmodai@wxs.nl> Cc: Bill Fenner <fenner@research.att.com>, net@freebsd.org, jlemon@freebsd.org Subject: Re: 4.3 issue: new ICMP handling broke date(1) Message-ID: <20010327131246.A71551@skriver.dk> In-Reply-To: <20010327124531.O68667@daemon.ninth-circle.org>; from asmodai@wxs.nl on Tue, Mar 27, 2001 at 12:45:31PM %2B0200 References: <200103261557.JAA08568@windsor.research.att.com> <20010327124531.O68667@daemon.ninth-circle.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Mar 27, 2001 at 12:45:31PM +0200, Jeroen Ruigrok/Asmodai wrote: > [making sure Jesper and Jonathan see this] > > -On [20010326 18:00], Bill Fenner (fenner@research.att.com) wrote: > >Now that an ICMP port unreachable returns ENETRESET and not ECONNREFUSED, > >setting the date on the command line results in a bogusly-reported error. > >Before you fix the bug in date/netdate.c, it tends to report EADDRINUSE; > >afterwards it tends to report ENETRESET. > > > >Why did the handling of "udp port unreachable" have to change? ECONNREFUSED > >was a perfectly fine return value for that. I'm reasonably sure that > >there are other programs out there that think that ECONNREFUSED is what > >you get when you get an ICMP port unreachable back after a UDP send, > >so I doubt that the answer is to simply fix date(1). > > FWIW I think the correct thing would be to return ECONNREFUSED. > > Looking at intro(2) it would seem that ECONNREFUSED fits the shoe since > the connection is actively refused. So do I, I'll have a look at the code tonight ... /Jesper -- Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456 Work: Network manager @ AS3292 (Tele Danmark DataNetworks) Private: FreeBSD committer @ AS2109 (A much smaller network ;-) One Unix to rule them all, One Resolver to find them, One IP to bring them all and in the zone to bind them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010327131246.A71551>