Date: Wed, 08 Nov 2000 03:01:23 -0800 From: Julian Elischer <julian@elischer.org> To: Luigi Rizzo <rizzo@aciri.org> Cc: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, tmoestl@gmx.net, freebsd-net@FreeBSD.ORG Subject: Re: setting source address for UDP packets Message-ID: <3A093283.48BE41D8@elischer.org> References: <200011072202.OAA03771@iguana.aciri.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Luigi Rizzo wrote: > > > > is there any way to set the source address of an UDP (over IPv4) packet > > > without using bind() or changing the socket state, > > > > No. This is a long-standing bug. It shouldn't be too hard to fix if > > you're up to a bit of kernel hacking. > > you mean by adding a sendto_from() system call where you also pass > the address for the source ? > Or [really dirty hack here] an extended sendto() where the sockaddr > really points to an array of two addresses (with "tolen" set well you could use divert sockets to send UDP packets (bleah) > accordingly) ? > > cheers > luigi > ----------------------------------+----------------------------------------- > Luigi RIZZO, luigi@iet.unipi.it . ACIRI/ICSI (on leave from Univ. di Pisa) > http://www.iet.unipi.it/~luigi/ . 1947 Center St, Berkeley CA 94704 > Phone: (510) 666 2927 > ----------------------------------+----------------------------------------- > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message -- __--_|\ Julian Elischer / \ julian@elischer.org ( OZ ) World tour 2000 ---> X_.---._/ presently in: Budapest v To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3A093283.48BE41D8>