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[SCTP]: Tie ADD-IP and AUTH functionality as required by spec.

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ADD-IP spec requires AUTH. It is, in fact, dangerous without AUTH.
So, disable ADD-IP functionality if the peer claims to support
ADD-IP, but not AUTH.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2007-09-16 19:35:39 -07:00
committed by David S. Miller
parent 65b07e5d0d
commit 6b2f9cb64d
2 changed files with 13 additions and 1 deletions
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include/net/sctp/structs.h
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@@ -1543,6 +1543,7 @@ struct sctp_association {
__u8 asconf_capable; /* Does peer support ADDIP? */
__u8 prsctp_capable; /* Can peer do PR-SCTP? */
__u8 auth_capable; /* Is peer doing SCTP-AUTH? */
__u8 addip_capable; /* Can peer do ADD-IP */
__u32 adaptation_ind; /* Adaptation Code point. */