sys/netinet6/sctp6_usrreq.c

188 sctp6_notify(struct sctp_inpcb *inp,
223 			so = SCTP_INP_SO(inp);
230 			(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
242 			sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
260 			sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
274 	struct sctp_inpcb *inp;
337 		inp = NULL;
341 		    &inp, &net, 1, SCTP_DEFAULT_VRFID);
344 		    (inp != NULL)) {
391 			sctp6_notify(inp, stcb, net,
396 			if ((stcb == NULL) && (inp != NULL)) {
397 				/* reduce inp's ref-count */
398 				SCTP_INP_WLOCK(inp);
399 				SCTP_INP_DECR_REF(inp);
400 				SCTP_INP_WUNLOCK(inp);
418 	struct sctp_inpcb *inp;
444 	    &inp, &net, 1, vrf_id);
445 	if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
446 		if ((inp != NULL) && (stcb == NULL)) {
448 			SCTP_INP_WLOCK(inp);
449 			SCTP_INP_DECR_REF(inp);
452 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
463 	SCTP_INP_WLOCK(inp);
465 	error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
467 		SCTP_INP_WUNLOCK(inp);
470 	cru2x(inp->sctp_socket->so_cred, &xuc);
471 	SCTP_INP_WUNLOCK(inp);
486 	struct sctp_inpcb *inp;
489 	inp = (struct sctp_inpcb *)so->so_pcb;
490 	if (inp == NULL) {
491 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
495 	flags = inp->sctp_flags;
497 	sctp_log_closing(inp, NULL, 17);
500 	    (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
502 		sctp_log_closing(inp, NULL, 16);
504 		sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
517 		flags = inp->sctp_flags;
530 	struct sctp_inpcb *inp;
533 	inp = (struct sctp_inpcb *)so->so_pcb;
534 	if (inp != NULL) {
535 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
546 	inp = (struct sctp_inpcb *)so->so_pcb;
547 	SCTP_INP_WLOCK(inp);
548 	inp->sctp_flags |= SCTP_PCB_FLAGS_BOUND_V6;	/* I'm v6! */
549 	inp6 = (struct in6pcb *)inp;
566 	SCTP_INP_WUNLOCK(inp);
573 	struct sctp_inpcb *inp;
577 	inp = (struct sctp_inpcb *)so->so_pcb;
578 	if (inp == NULL) {
579 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
587 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
595 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
601 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
605 	inp6 = (struct in6pcb *)inp;
651 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
660 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
694 	struct sctp_inpcb *inp;
703 	inp = (struct sctp_inpcb *)so->so_pcb;
704 	if (inp == NULL) {
710 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
713 	inp6 = (struct in6pcb *)inp;
718 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) &&
728 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EDESTADDRREQ);
739 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
743 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
758 		if (inp->control) {
760 			SCTP_RELEASE_PKT(inp->control);
761 			inp->control = NULL;
763 		inp->control = control;
766 	if (inp->pkt) {
767 		SCTP_BUF_NEXT(inp->pkt_last) = m;
768 		inp->pkt_last = m;
770 		inp->pkt_last = inp->pkt = m;
785 		ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
786 		inp->pkt = NULL;
787 		inp->control = NULL;
799 	struct sctp_inpcb *inp;
812 	inp = (struct sctp_inpcb *)so->so_pcb;
813 	if (inp == NULL) {
814 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
819 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
826 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
834 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
840 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
844 	vrf_id = inp->def_vrf_id;
845 	SCTP_ASOC_CREATE_LOCK(inp);
846 	SCTP_INP_RLOCK(inp);
847 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
850 		SCTP_INP_RUNLOCK(inp);
853 			SCTP_ASOC_CREATE_UNLOCK(inp);
857 		SCTP_INP_RLOCK(inp);
859 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
860 	    (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
862 		SCTP_INP_RUNLOCK(inp);
863 		SCTP_ASOC_CREATE_UNLOCK(inp);
864 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EADDRINUSE);
875 			SCTP_INP_RUNLOCK(inp);
876 			SCTP_ASOC_CREATE_UNLOCK(inp);
877 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
881 			SCTP_INP_RUNLOCK(inp);
882 			SCTP_ASOC_CREATE_UNLOCK(inp);
883 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
894 	if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
895 		stcb = LIST_FIRST(&inp->sctp_asoc_list);
899 		SCTP_INP_RUNLOCK(inp);
901 		SCTP_INP_RUNLOCK(inp);
902 		SCTP_INP_WLOCK(inp);
903 		SCTP_INP_INCR_REF(inp);
904 		SCTP_INP_WUNLOCK(inp);
905 		stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
907 			SCTP_INP_WLOCK(inp);
908 			SCTP_INP_DECR_REF(inp);
909 			SCTP_INP_WUNLOCK(inp);
915 		SCTP_ASOC_CREATE_UNLOCK(inp);
917 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EALREADY);
921 	stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id,
922 	    inp->sctp_ep.pre_open_stream_count,
923 	    inp->sctp_ep.port, p);
924 	SCTP_ASOC_CREATE_UNLOCK(inp);
938 	sctp_initialize_auth_params(inp, stcb);
940 	sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
949 	struct sctp_inpcb *inp;
964 	inp = (struct sctp_inpcb *)so->so_pcb;
965 	if (inp == NULL) {
967 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
970 	SCTP_INP_RLOCK(inp);
971 	sin6->sin6_port = inp->sctp_lport;
972 	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
974 		if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
980 			stcb = LIST_FIRST(&inp->sctp_asoc_list);
982 				SCTP_INP_RUNLOCK(inp);
984 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1002 				SCTP_INP_RUNLOCK(inp);
1004 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1007 			vrf_id = inp->def_vrf_id;
1008 			sctp_ifa = sctp_source_address_selection(inp, stcb, (sctp_route_t *) & net->ro, net, 0, vrf_id);
1021 		LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1033 			SCTP_INP_RUNLOCK(inp);
1034 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1038 	SCTP_INP_RUNLOCK(inp);
1054 	struct sctp_inpcb *inp;
1066 	inp = (struct sctp_inpcb *)so->so_pcb;
1067 	if ((inp == NULL) ||
1068 	    ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
1071 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOTCONN);
1074 	SCTP_INP_RLOCK(inp);
1075 	stcb = LIST_FIRST(&inp->sctp_asoc_list);
1079 	SCTP_INP_RUNLOCK(inp);
1082 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
1099 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1104 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, error);