Don't send SHUTDOWN chunk when the association is in a front state
and the applications calls shutdown(..., SHUT_WR) or shutdown(..., SHUT_RDWR). MFC after: 1 week.
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parent
dd76e27f7a
commit
8ca16419bb
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=291137
@ -3640,13 +3640,11 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
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* macro here since le_next will get freed as part of the
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* sctp_free_assoc() call.
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*/
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if (so) {
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#ifdef IPSEC
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if (ip_pcb->inp_sp != NULL) {
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ipsec_delete_pcbpolicy(ip_pcb);
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#endif /* IPSEC */
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/* Unlocks not needed since the socket is gone now */
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}
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#endif
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if (ip_pcb->inp_options) {
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(void)sctp_m_free(ip_pcb->inp_options);
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ip_pcb->inp_options = 0;
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@ -1007,16 +1007,15 @@ sctp_shutdown(struct socket *so)
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} else {
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netp = stcb->asoc.primary_destination;
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}
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if (TAILQ_EMPTY(&asoc->send_queue) &&
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if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) &&
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TAILQ_EMPTY(&asoc->send_queue) &&
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TAILQ_EMPTY(&asoc->sent_queue) &&
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(asoc->stream_queue_cnt == 0)) {
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if (asoc->locked_on_sending) {
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goto abort_anyway;
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}
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/* there is nothing queued to send, so I'm done... */
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if (SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) {
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SCTP_STAT_DECR_GAUGE32(sctps_currestab);
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}
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SCTP_STAT_DECR_GAUGE32(sctps_currestab);
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SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
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SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
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sctp_stop_timers_for_shutdown(stcb);
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