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SCTP: Allow ADD_IP to work with AUTH for backward compatibility.

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This patch adds a tunable that will allow ADD_IP to work without
AUTH for backward compatibility.  The default value is off since
the default value for ADD_IP is off as well.  People who need
to use ADD-IP with older implementations take risks of connection
hijacking and should consider upgrading or turning this tunable on.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Vlad Yasevich
2007-10-24 17:24:26 -04:00
parent 88799fe5ec
commit 73d9c4fd1a
5 changed files with 21 additions and 3 deletions
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8
net/sctp/associola.c
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@@ -262,10 +262,14 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
*/
asoc->peer.sack_needed = 1;
/* Assume that the peer recongizes ASCONF until reported otherwise
* via an ERROR chunk.
/* Assume that the peer will tell us if he recognizes ASCONF
* as part of INIT exchange.
* The sctp_addip_noauth option is there for backward compatibilty
* and will revert old behavior.
*/
asoc->peer.asconf_capable = 0;
if (sctp_addip_noauth)
asoc->peer.asconf_capable = 1;
/* Create an input queue. */
sctp_inq_init(&asoc->base.inqueue);