Jorge Boncompte
c5807ace66
[NETFILTER]: ip_nat_proto_gre: do not modify/corrupt GREv0 packets through NAT
...
While porting some changes of the 2.6.21-rc7 pptp/proto_gre conntrack
and nat modules to a 2.4.32 kernel I noticed that the gre_key function
returns a wrong pointer to the GRE key of a version 0 packet thus
corrupting the packet payload.
The intended behaviour for GREv0 packets is to act like
ip_conntrack_proto_generic/ip_nat_proto_unknown so I have ripped the
offending functions (not used anymore) and modified the
ip_nat_proto_gre modules to not touch version 0 (non PPTP) packets.
Signed-off-by: Jorge Boncompte <jorge@dti2.net >
Signed-off-by: Patrick McHardy <kaber@trash.net >
Signed-off-by: Adrian Bunk <bunk@stusta.de >
2007-05-04 01:00:32 +02:00
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