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authorVlad Yasevich <vladislav.yasevich@hp.com>2007-01-15 19:15:45 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-01-23 20:25:45 -0800
commitd023f629451ace6f37eb5d2cf29ddd24497c91dc (patch)
tree71a0ccd972f8365b9be17e6221100c5e767b7a74 /net/sctp/sm_make_chunk.c
parentebdfcad4dc2a6851f75fac0a3315046cbd9c4410 (diff)
downloadkernel-d023f629451ace6f37eb5d2cf29ddd24497c91dc.tar.gz
[SCTP]: Verify some mandatory parameters.
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>
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index ea0f8fac3f01..0b1ddb1005ac 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -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;