fr3+ldap = rad_send() failed: Invalid argument

[Arran Cudbard-Bell]

On 27 Jan 2014, at 23:38, Arran Cudbard-Bell <a.cudbardb at freeradius.org> wrote:

> 
> On 27 Jan 2014, at 20:32, Zeus Panchenko <zeus at ibs.dn.ua> wrote:
> 
>> Signed PGP part
>>>>>>> Arran Cudbard-Bell <a.cudbardb at freeradius.org> writes:
>> 
>>> It's very unlikely this is related to the ldap module. Could you
>>> provide more details about the platform you're running the server on?
>> 
>> sorry for not providing that ...
>> 
>>> uname -a
>> FreeBSD es.ibs.dn.ua 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 22:34:59 UTC 2014     root at snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> Thanks. I'll run up a VM tomorrow. Just waiting on the image to come down.

Ha, that was a fun one. 

FreeBSD doesn't like it when you try and specify the source address/interface for an outgoing UDP frame, when the socket you're using is already bound to an IP address.

I've pushed a fix which checks whether the socket is bound to INADDR_ANY or the IPv6 equivalent. If it's not, we don't need to add the IP_SENDSRCADDR control message, and so we can just use sendto instead of sendmsg.

A patchless work around for this is not to bind to a specific IP address in the listen section.

There should be no side effects from this change.

I'll backport to v2.x.x as well as it'll have the same issue.

Arran Cudbard-Bell <a.cudbardb at freeradius.org>
FreeRADIUS Development Team

FD31 3077 42EC 7FCD 32FE 5EE2 56CF 27F9 30A8 CAA2

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