Author: tuexen
Date: Sun Jul 7 16:53:44 2013
New Revision: 252972
URL: http://svnweb.freebsd.org/changeset/base/252972
Log:
MFC r250754:
Don't send an ABORT chunk with verification 0.
Modified:
stable/9/sys/netinet/sctp_output.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/netinet/sctp_output.c
==============================================================================
--- stable/9/sys/netinet/sctp_output.c Sun Jul 7 16:51:17 2013
(r252971)
+++ stable/9/sys/netinet/sctp_output.c Sun Jul 7 16:53:44 2013
(r252972)
@@ -10669,6 +10669,7 @@ sctp_send_abort_tcb(struct sctp_tcb *stc
struct sctp_abort_chunk *abort;
struct sctp_auth_chunk *auth = NULL;
struct sctp_nets *net;
+ uint32_t vtag;
uint32_t auth_offset = 0;
uint16_t cause_len, chunk_len, padding_len;
@@ -10724,7 +10725,14 @@ sctp_send_abort_tcb(struct sctp_tcb *stc
/* Fill in the ABORT chunk header. */
abort = mtod(m_abort, struct sctp_abort_chunk *);
abort->ch.chunk_type = SCTP_ABORT_ASSOCIATION;
- abort->ch.chunk_flags = 0;
+ if (stcb->asoc.peer_vtag == 0) {
+ /* This happens iff the assoc is in COOKIE-WAIT state. */
+ vtag = stcb->asoc.my_vtag;
+ abort->ch.chunk_flags = SCTP_HAD_NO_TCB;
+ } else {
+ vtag = stcb->asoc.peer_vtag;
+ abort->ch.chunk_flags = 0;
+ }
abort->ch.chunk_length = htons(chunk_len);
/* Add padding, if necessary. */
if (padding_len > 0) {
@@ -10736,7 +10744,7 @@ sctp_send_abort_tcb(struct sctp_tcb *stc
(void)sctp_lowlevel_chunk_output(stcb->sctp_ep, stcb, net,
(struct sockaddr *)&net->ro._l_addr,
m_out, auth_offset, auth, stcb->asoc.authinfo.active_keyid, 1, 0, 0,
- stcb->sctp_ep->sctp_lport, stcb->rport, htonl(stcb->asoc.peer_vtag),
+ stcb->sctp_ep->sctp_lport, stcb->rport, htonl(vtag),
stcb->asoc.primary_destination->port, NULL,
0, 0,
so_locked);
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