GNU bug report logs - #34193
26.1; make-network-proces :host 'local fails with ipv6

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From: Ernesto Alfonso <erjoalgo <at> gmail.com>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: 34193 <at> debbugs.gnu.org
Subject: bug#34193: 26.1; make-network-proces :host 'local fails with ipv6
Date: Sat, 26 Jan 2019 03:06:12 -0800

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Thanks for looking into this.

Ernesto

On Sat, Jan 26, 2019, 3:04 AM Robert Pluim <rpluim <at> gmail.com wrote:

> Robert Pluim <rpluim <at> gmail.com> writes:
>
> > Perhaps the minimal change would be to use "::1" when specifying
> > :family 'ipv6?
>
> That would be this patch, which fixes this particular use case, and
> shouldn't break anything else.
>
> diff --git i/src/process.c w/src/process.c
> index c0741403b5..72351db3e6 100644
> --- i/src/process.c
> +++ w/src/process.c
> @@ -3983,14 +3983,24 @@ usage: (make-network-process &rest ARGS)  */)
>  #ifdef HAVE_LOCAL_SOCKETS
>        if (family != AF_LOCAL)
>  #endif
> -       host = build_string ("127.0.0.1");
> +        {
> +        if (family == AF_INET6)
> +          host = build_string ("::1");
> +        else
> +          host = build_string ("127.0.0.1");
> +        }
>      }
>    else
>      {
>        if (EQ (host, Qlocal))
> +        {
>         /* Depending on setup, "localhost" may map to different IPv4 and/or
>            IPv6 addresses, so it's better to be explicit (Bug#6781).  */
> -       host = build_string ("127.0.0.1");
> +        if (family == AF_INET6)
> +          host = build_string ("::1");
> +        else
> +          host = build_string ("127.0.0.1");
> +        }
>        CHECK_STRING (host);
>      }
>
>
>
>

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