netdev - Re: [PATCH net-next 3/3] net: Add table id from route lookup to route response

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150902184346.GB20527@pox.localdomain>
Date:	Wed, 2 Sep 2015 20:43:46 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	David Ahern <dsa@...ulusnetworks.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 3/3] net: Add table id from route lookup to
 route response

On 09/02/15 at 09:40am, David Ahern wrote:
> rt_fill_info which is called for 'route get' requests hardcodes the
> table id as RT_TABLE_MAIN which is not correct when multiple tables
> are used. Use the newly added table id in the rtable to send back
> the correct table.
> 
> Signed-off-by: David Ahern <dsa@...ulusnetworks.com>

What RTM_GETROUTE returns is not the actual route but a description
of the routing decision which is why table id, scope, protocol, and
prefix length are hardcoded. This is indicated by the RTM_F_CLONED
flag. What you propose would break userspace ABI.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html