From: Eli Zaretskii <eliz@gnu.org>
To: Robert Pluim <rpluim@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: netsec 682578f 4/6: Add option to bypass NSM TLS checks on local networks
Date: Mon, 16 Jul 2018 18:00:11 +0300 [thread overview]
Message-ID: <83tvoz8bus.fsf@gnu.org> (raw)
In-Reply-To: <87va9fs3ro.fsf@gmail.com> (message from Robert Pluim on Mon, 16 Jul 2018 15:34:35 +0200)
> From: Robert Pluim <rpluim@gmail.com>
> Date: Mon, 16 Jul 2018 15:34:35 +0200
> Cc: emacs-devel@gnu.org
>
> Eli, I see thereʼs a sys_getaddrinfo in w32.c, is something needed
> to get emacs to use that on MS-Windows?
No, you don't need anything special. nt/inc/socket.h redirects
getaddrinfo into sys_getaddrinfo, and all our C sources see the
redirection.
> +DEFUN ("get-address-info", Fget_address_info, Sget_address_info, 1, 2, 0,
> + doc: /* Look up ip address info of NAME.
> +Optional parameter FAMILY controls whether to look up IPv4 or IPv6
> +addresses. The default of nil means look up both, symbol `ipv4' means
> +IPv4 only, symbol `ipv6' mean IPv6 only. Returns a list of addresses,
> +or nil if none were found. */)
This doc string doesn't tell that each address is a vector or a
string.
> + if (EQ (family, Qipv4))
> + hints.ai_family = AF_INET;
> +#ifdef AF_INET6
> + if (EQ (family, Qipv6))
> + hints.ai_family = AF_INET6;
> +#endif
Should we signal an error if 'ipv6' is requested on a system that
doesn't support that?
> + ret = getaddrinfo (SSDATA (name), NULL, &hints, &res);
You should encode NAME (using ENCODE_SYSTEM), because it could include
non-ASCII characters. In general, any Lisp string should be encoded
before you can pass its data to a C library function.
Thanks.
P.S. This needs a NEWS entry, at the very least, and perhaps also an
update for the ELisp manual.
next prev parent reply other threads:[~2018-07-16 15:00 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180714170806.8972.58581@vcs0.savannah.gnu.org>
[not found] ` <20180714170809.C3A3920456@vcs0.savannah.gnu.org>
2018-07-15 11:46 ` netsec 682578f 4/6: Add option to bypass NSM TLS checks on local networks Robert Pluim
2018-07-15 15:34 ` Jimmy Yuen Ho Wong
2018-07-16 13:34 ` Robert Pluim
2018-07-16 15:00 ` Eli Zaretskii [this message]
2018-07-16 15:24 ` Jimmy Yuen Ho Wong
2018-07-16 17:59 ` Eli Zaretskii
2018-07-16 16:23 ` Robert Pluim
2018-07-16 17:16 ` Jimmy Yuen Ho Wong
2018-07-16 17:46 ` Robert Pluim
2018-07-16 18:09 ` Eli Zaretskii
2018-07-17 10:09 ` Robert Pluim
2018-07-17 15:50 ` Eli Zaretskii
2018-07-17 15:53 ` Robert Pluim
2018-07-17 16:17 ` Robert Pluim
2018-07-17 17:15 ` Eli Zaretskii
2018-07-17 18:00 ` Robert Pluim
2018-07-16 15:31 ` Jimmy Yuen Ho Wong
2018-07-16 16:14 ` Stefan Monnier
2018-07-16 16:36 ` Robert Pluim
2018-07-16 18:11 ` Eli Zaretskii
2018-07-16 18:24 ` Stefan Monnier
2018-07-16 17:06 ` Andy Moreton
2018-07-16 17:15 ` Jimmy Yuen Ho Wong
2018-07-16 17:48 ` Paul Eggert
2018-07-17 5:56 ` Robert Pluim
2018-07-17 18:07 ` Robert Pluim
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