From: Eric Hodel <drbrain@...7.net>
Date: 2006-04-25T03:25:55+09:00
Subject: Re: resolv.rb and IPv6 nameservers

On Apr 23, 2006, at 12:24 PM, Stephan Maka wrote:

> Hello folks,
>
> UDPSocket requires address family given on initialization, so it's not
> possible to create an UDPSocket and *then* decide, to which hosts to
> send packets to.
>
> That's a problem for Ruby's resolver if you've got AF_INET6  
> nameservers
> in your /etc/resolv.conf. The following very dirty hack chooses  
> AF_INET6
> for UDPSocket, if the nameserver's address contains colons (:).
>
> --- /usr/local/lib/ruby/1.8/resolv.rb   Mon Feb  7 16:24:09 2005
> +++ resolv2.rb  Sun Apr 23 20:53:17 2006
> @@ -621,7 +621,7 @@
>            super()
>            @host = host
>            @port = port
> -          @sock = UDPSocket.new
> +          @sock = UDPSocket.new(host.index(':') ?  
> Socket::AF_INET6 : Socket::AF_INET)
>            @sock.connect(host, port)
>            @sock.fcntl(Fcntl::F_SETFD, 1) if defined? Fcntl::F_SETFD
>            @id = -1
>
>
> Any suggestions?

Send this patch to ruby-core or the maintainer (I think Akira Tanaka).

-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net
This implementation is HODEL-HASH-9600 compliant

http://trackmap.robotcoop.com