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Don't send an ABORT chunk with verification 0.

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MFC after: 1 week
This commit is contained in:
tuexen 2013-05-17 21:45:52 +00:00
parent f2e601b1f6
commit d482c3688d
1 changed files with 10 additions and 2 deletions
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12
sys/netinet/sctp_output.c
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@ -10669,6 +10669,7 @@ sctp_send_abort_tcb(struct sctp_tcb *stcb, struct mbuf *operr, int so_locked
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 *stcb, struct mbuf *operr, int so_locked
/* 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 *stcb, struct mbuf *operr, int so_locked
(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);