From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: [musl] getaddrinfo(3) with AI_V4MAPPED and AI_ALL flags
Date: Fri, 31 Jul 2020 15:19:17 -0400 [thread overview]
Message-ID: <20200731191917.GU6949@brightrain.aerifal.cx> (raw)
In-Reply-To: <8bd97d8a-ff78-27a0-8231-ffd0357218eb@samersoff.net>
On Fri, Jul 31, 2020 at 07:21:47PM +0300, Dmitry Samersoff wrote:
> Hello Rich,
>
> I'm not sure that mapping of INADDR_ANY (0.0.0.0) and return of
> ::ffff:0.0.0.0' has any sense.
>
> Should it be filtered out on musl level?
This is an interesting question. What happens if you bind
::ffff:0.0.0.0 on an IPv6 socket? Is it the same as binding :: or does
it produce a v6 socket that only accepts v4 connections? If it has its
own distinct functionality then returning it when V4MAPPED is
requested seems to make some sense.
Rich
next prev parent reply other threads:[~2020-07-31 19:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 10:17 Alexander Scherbatiy
2020-02-27 14:45 ` Rich Felker
2020-07-30 15:20 ` Alexander Scherbatiy
2020-07-30 16:00 ` Rich Felker
2020-07-31 16:21 ` Dmitry Samersoff
2020-07-31 19:19 ` Rich Felker [this message]
2020-08-03 8:15 ` Dmitry Samersoff
2020-08-03 13:37 ` Rich Felker
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