[ovs-git] Open vSwitch: datapath: Relax set header validation. (branch-1.6)
dev at openvswitch.org
dev at openvswitch.org
Sat Aug 4 02:30:08 UTC 2012
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- Log -----------------------------------------------------------------
commit a5ff9aa783ca00b59967a094036f782c3cd03a2a
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=a5ff9aa783ca00b59967a094036f782c3cd03a2a
Author: Jesse Gross <jesse at nicira.com>
datapath: Relax set header validation.
When installing a flow with an action to set a particular field we
need to validate that the packets that are part of the flow actually
contain that header. With IP we use zeroed addresses and with TCP/UDP
the check is for zeroed ports. This check is overly broad and can catch
packets like DHCP requests that have a zero source address in a
legitimate header. This changes the check to look for a zeroed protocol
number for IP or for both ports be zero for TCP/UDP before considering
the header to not exist.
Bug #12769
Reported-by: Ethan Jackson <ethan at nicira.com>
Signed-off-by: Jesse Gross <jesse at nicira.com>
Acked-by: Pravin B Shelar <pshelar at nicira.com>
-----------------------------------------------------------------------
Summary of changes:
datapath/datapath.c | 6 +++---
lib/odp-util.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
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