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To: Hajimu UMEMOTO <ume@bisd.hitachi.co.jp>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/lib/libfetch ftp.c
References: <200007080927.CAA28425@freefall.freebsd.org> <20000710.004713.71082196.ume@mahoroba.org> <xzpsnti325b.fsf@flood.ping.uio.no> <200007100713.e6A7DKF39317@plum.ssr.bisd.hitachi.co.jp>
From: Dag-Erling Smorgrav <des@flood.ping.uio.no>
Date: 10 Jul 2000 09:33:51 +0200
In-Reply-To: Hajimu UMEMOTO's message of "Mon, 10 Jul 2000 16:13:19 +0900"
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Hajimu UMEMOTO <ume@bisd.hitachi.co.jp> writes:
> >>>>> On 10 Jul 2000 08:55:28 +0200
> >>>>> des@flood.ping.uio.no (Dag-Erling Smorgrav) said:
> des> Hajimu UMEMOTO <ume@mahoroba.org> writes:
> des> > This breaks IPv6.  Please backout it.
> des> Sorry, but no. Instead, tell me why it breaks IPv6 and I'll try to fix
> des> it (or even better, send me patches).
> Why?  Is there any such servers that don't enclose remote address with
> parentheses?

Unfortunately, yes (try ftp.astron.com, for instance). And there are
examples in RFC959 of 227 replies which do not enclose the address in
parentheses.


> Because, RFC2428 Page 5 says as follows:
> 
>     The text returned in response to the EPSV command MUST be:
> 
>         <text indicating server is entering extended passive mode> \
>             (<d><d><d><tcp-port><d>)
> [...]
> So, we cannot assume digit to distinguish the address.  Furthermore,
> IPv6 address is NOT digit but hex.
> However, it is for 229.  So, we can separete 229 from 226.  But, is it
> nessesary?

I'm afraid so.

DES
-- 
Dag-Erling Smorgrav - des@flood.ping.uio.no


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