netdev - Re: [patch] ipvsadm: use strtoul to convert ip addresses from hex

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Message-ID: <20080821000529.GA19235@verge.net.au>
Date:	Thu, 21 Aug 2008 10:05:30 +1000
From:	Simon Horman <horms@...ge.net.au>
To:	Julius Volz <juliusv@...gle.com>
Cc:	Vince Busam <vbusam@...gle.com>, netdev@...r.kernel.org,
	lvs-devel@...r.kernel.org, wensong@...ux-vs.org
Subject: Re: [patch] ipvsadm: use strtoul to convert ip addresses from hex

On Wed, Aug 20, 2008 at 12:30:41PM +0200, Julius Volz wrote:
> On Wed, Aug 20, 2008 at 7:44 AM, Simon Horman <horms@...ge.net.au> wrote:
> > The ip addresses that come out of /proc/net/ip_vs_conn as integers
> > are in hex not decimal.
> >
> > Without this change most IP addresses reported as integers end up being
> > 0.0.0.0.
> >
> > This change is against the development code ipvsadm-1.25-nl-4 from
> > http://sixpak.org/vince/google/ipvsadm/ . It is not relevant to
> > ipvsadm-1.24, the current released version.
> >
> > Signed-off-by: Simon Horman <horms@...ge.net.au>
> >
> > Index: ipvsadm-1.25-nl-4/ipvsadm.c
> > ===================================================================
> > --- ipvsadm-1.25-nl-4.orig/ipvsadm.c    2008-08-20 15:16:18.000000000 +1000
> > +++ ipvsadm-1.25-nl-4/ipvsadm.c 2008-08-20 15:16:39.000000000 +1000
> > @@ -1212,9 +1212,9 @@ static void print_conn(char *buf, unsign
> >                inet_pton(AF_INET, temp2, &vaddr.ip);
> >                inet_pton(AF_INET, temp3, &daddr.ip);
> >        } else {
> > -               caddr.ip = (__u32) htonl(atoi(temp1));
> > -               vaddr.ip = (__u32) htonl(atoi(temp2));
> > -               daddr.ip = (__u32) htonl(atoi(temp3));
> > +               caddr.ip = (__u32) htonl(strtoul(temp1, NULL, 16));
> > +               vaddr.ip = (__u32) htonl(strtoul(temp2, NULL, 16));
> > +               daddr.ip = (__u32) htonl(strtoul(temp3, NULL, 16));
> >        }
> >
> >        if (!(cname = addrport_to_anyname(af, &caddr, cport, proto, format)))
> 
> Thanks for this fix! I'm sure Vince will release a new version with
> this once there is sunlight in his timezone :)
> 
> Do you think it'll make sense to host the new ipvsadm on
> linuxvirtualserver.org (marked as experimental, of course) when the
> Netlink patches go in? This seems more open than hosting it on our
> private servers...

I think that either hosting it on linuxvirtualserver.org or kernel.org
would be a good idea. Wensong what do you think?

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