Chuck Lever wrote:
> Hi Steve-
>
> On Dec 18, 2008, at Dec 18, 2008, 3:49 PM, Steve Dickson wrote:
>> Chuck Lever wrote:
>>>> @@ -72,12 +74,29 @@ mount_dispatch(struct svc_req *rqstp, SVCXPRT
>>>> *transp)
>>>> union mountd_results result;
>>>>
>>>> #ifdef HAVE_TCP_WRAPPER
>>>> +#ifdef IPV6_SUPPORTED
>>>> + static int once = 0;
>>>> +
>>>> + if (svc_getcaller(transp)->sin_family != AF_INET) {
>>>
>>> It's not clear to me that svc_getcaller() will ever return a non-AF_INET
>>> address.
>>>
>>> Should we use svc_getcaller_netbuf() here instead?
>> I would if I could but there is no svc_getcaller_netbuf() in the
>> glibc version of RPC...
>
> If IPV6_SUPPORTED is set than libtirpc is required to be available.
> nfs-utils won't build with --enable-ipv6 if there's no libtirpc.
Ah... good point! So something like this should work:
sa = (struct sockaddr *)svc_getcaller_netbuf(transp)->buf;
if (sa->sa_family != AF_INET) {
if (!once) {
syslog(LOG_WARNING,
"No IPv6 support in Access Control Library (TCP
Wrappers)");
once++;
}
goto skipcheck;
}
steved.
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