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Date: Fri, 9 Jan 2009 13:08:49 +0000 (UTC)
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
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Subject: Re: svn commit: r186948 - in head/sys: netinet netinet6
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On Fri, 9 Jan 2009, Bjoern A. Zeeb wrote:

> Author: bz
> Date: Fri Jan  9 13:06:56 2009
> New Revision: 186948
> URL: http://svn.freebsd.org/changeset/base/186948
>
> Log:
>  Make SIOCGIFADDR and related, as well as SIOCGIFADDR_IN6 and related
>  jail-aware. Up to now we returned the first address of the interface
>  for SIOCGIFADDR w/o an ifr_addr in the query. This caused problems for
>  programs querying for an address but running inside a jail, as the
>  address returned usually did not belong to the jail.

One of the programs hitting this is Samba btw.


>  Like for v6, if there was an ifr_addr given on v4, you could probe
>  for more addresses on the interfaces that you were not allowed to see
>  from inside a jail. Return an error (EADDRNOTAVAIL) in that case
>  now unless the address is on the given interface and valid for the
>  jail.
>
>  PR:		kern/114325
>  Reviewed by:	rwatson
>  MFC after:	4 weeks
>
> Modified:
>  head/sys/netinet/in.c
>  head/sys/netinet6/in6.c

-- 
Bjoern A. Zeeb                      The greatest risk is not taking one.