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[SCTP]: Verify some mandatory parameters.

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Verify init_tag and a_rwnd mandatory parameters in INIT and
INIT-ACK chunks.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2007-01-15 19:15:45 -08:00
committed by David S. Miller
parent ebdfcad4dc
commit d023f62945
2 changed files with 3 additions and 20 deletions
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4
net/sctp/sm_make_chunk.c
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@@ -1775,7 +1775,9 @@ int sctp_verify_init(const struct sctp_association *asoc,
/* Verify stream values are non-zero. */
if ((0 == peer_init->init_hdr.num_outbound_streams) ||
(0 == peer_init->init_hdr.num_inbound_streams)) {
(0 == peer_init->init_hdr.num_inbound_streams) ||
(0 == peer_init->init_hdr.init_tag) ||
(SCTP_DEFAULT_MINWINDOW > ntohl(peer_init->init_hdr.a_rwnd))) {
sctp_process_inv_mandatory(asoc, chunk, errp);
return 0;