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-next>] [day] [month] [year] [list]
Message-ID: <20120626014226.GB3455@mcafee.com>
Date:	Tue, 26 Jun 2012 11:42:26 +1000
From:	David McCullough <david_mccullough@...fee.com>
To:	<netdev@...r.kernel.org>
CC:	David Miller <davem@...emloft.net>
Subject: [PATCH v2] net/ipv6/route.c: packets originating on device match lo


Hi all,

Fix to allow IPv6 packets originating locally to match rules with the "iff"
set to "lo".  This allows IPv6 rule matching work the same as it does for
IPv4.  From the iproute2 man page:

   iif NAME
		  select  the incoming device to match.  If the interface is loop‐
		  back, the rule only matches packets originating from this  host.
		  This  means that you may create separate routing tables for for‐
		  warded and local packets and, hence, completely segregate them.

Cheers,
Davidm

Signed-off-by: David McCullough <david_mccullough@...fee.com>

diff -u -p -r1.1.1.59 route.c
--- linux-3.4/net/ipv6/route.c	21 May 2012 23:15:01 -0000	1.1.1.59
+++ linux-3.4/net/ipv6/route.c	26 Jun 2012 01:41:15 -0000
@@ -931,6 +931,8 @@ struct dst_entry * ip6_route_output(stru
 {
 	int flags = 0;
 
+	fl6->flowi6_iif = net->loopback_dev->ifindex;
+
 	if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
 		flags |= RT6_LOOKUP_F_IFACE;
 
 
-- 
David McCullough,      david_mccullough@...fee.com,  Ph:+61 734352815
McAfee - SnapGear      http://www.mcafee.com         http://www.uCdot.org
--
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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ