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CVS commit: src/sys

Module Name:    src
Committed By:   spz
Date:           Sun Sep  5 06:52:54 UTC 2010

Modified Files:
        src/sys/net: pfkeyv2.h
        src/sys/netipsec: key.c
        src/sys/netkey: key.c

Log Message:
fix two bugs in the PFKEY interface:

1) RFC2367 says in 2.3.3 Address Extension: "All non-address
   information in the sockaddrs, such as sin_zero for AF_INET sockaddrs,
   and sin6_flowinfo for AF_INET6 sockaddrs, MUST be zeroed out."
   the IPSEC_NAT_T code was expecting the port information it needs
   to be conveyed in the sockaddr instead of exclusively by
   and was not zeroing out the port information in the non-nat-traversal
   Since it was expecting the port information to reside in the sockaddr
   it could get away with (re)setting the ports after starting to use them.
   -> Set the natt ports before setting the SA mature.

2) RFC3947 has two Original Address fields, initiator and responder,
   so we need SADB_X_EXT_NAT_T_OAI and SADB_X_EXT_NAT_T_OAR and not just

The change has been created using vanhu's patch for FreeBSD as reference.

Note that establishing actual nat-t sessions has not yet been tested.

Likely fixes the following:
PR bin/41757
PR net/42592
PR net/42606

To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/sys/net/pfkeyv2.h
cvs rdiff -u -r1.63 -r1.64 src/sys/netipsec/key.c
cvs rdiff -u -r1.177 -r1.178 src/sys/netkey/key.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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