sys/netinet6/sctp6_usrreq.c

195 sctp6_notify_mbuf(struct sctp_inpcb *inp, struct icmp6_hdr *icmp6,
200 	if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
220 	sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, NULL,
264 	sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, NULL);
273 sctp6_notify(struct sctp_inpcb *inp,
286 	if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
336 		so = SCTP_INP_SO(inp);
343 		(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
389 		struct sctp_inpcb *inp = NULL;
403 		inp = NULL;
414 		    &inp, &net, 1, vrf_id);
415 		/* inp's ref-count increased && stcb locked */
416 		if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
418 				sctp6_notify_mbuf(inp,
423 				/* inp's ref-count reduced && stcb unlocked */
425 				sctp6_notify(inp, ip6cp->ip6c_icmp6, &sh,
428 				/* inp's ref-count reduced && stcb unlocked */
431 			if (PRC_IS_REDIRECT(cmd) && inp) {
432 				in6_rtchange((struct in6pcb *)inp,
435 			if (inp) {
436 				/* reduce inp's ref-count */
437 				SCTP_INP_WLOCK(inp);
438 				SCTP_INP_DECR_REF(inp);
439 				SCTP_INP_WUNLOCK(inp);
456 	struct sctp_inpcb *inp;
482 	    &inp, &net, 1, vrf_id);
483 	if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
484 		if ((inp != NULL) && (stcb == NULL)) {
486 			SCTP_INP_WLOCK(inp);
487 			SCTP_INP_DECR_REF(inp);
490 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
501 	SCTP_INP_WLOCK(inp);
503 	error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
505 		SCTP_INP_WUNLOCK(inp);
508 	cru2x(inp->sctp_socket->so_cred, &xuc);
509 	SCTP_INP_WUNLOCK(inp);
524 	struct sctp_inpcb *inp;
527 	inp = (struct sctp_inpcb *)so->so_pcb;
528 	if (inp == NULL) {
529 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
533 	flags = inp->sctp_flags;
535 	sctp_log_closing(inp, NULL, 17);
538 	    (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
540 		sctp_log_closing(inp, NULL, 16);
542 		sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
555 		flags = inp->sctp_flags;
568 	struct sctp_inpcb *inp;
571 	inp = (struct sctp_inpcb *)so->so_pcb;
572 	if (inp != NULL) {
573 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
584 	inp = (struct sctp_inpcb *)so->so_pcb;
585 	SCTP_INP_WLOCK(inp);
586 	inp->sctp_flags |= SCTP_PCB_FLAGS_BOUND_V6;	/* I'm v6! */
587 	inp6 = (struct in6pcb *)inp;
604 	SCTP_INP_WUNLOCK(inp);
611 	struct sctp_inpcb *inp;
615 	inp = (struct sctp_inpcb *)so->so_pcb;
616 	if (inp == NULL) {
617 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
625 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
633 				SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
639 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
643 	inp6 = (struct in6pcb *)inp;
689 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
698 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
732 	struct sctp_inpcb *inp;
741 	inp = (struct sctp_inpcb *)so->so_pcb;
742 	if (inp == NULL) {
748 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
751 	inp6 = (struct in6pcb *)inp;
756 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) &&
766 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EDESTADDRREQ);
777 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
781 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
796 		if (inp->control) {
798 			SCTP_RELEASE_PKT(inp->control);
799 			inp->control = NULL;
801 		inp->control = control;
804 	if (inp->pkt) {
805 		SCTP_BUF_NEXT(inp->pkt_last) = m;
806 		inp->pkt_last = m;
808 		inp->pkt_last = inp->pkt = m;
823 		ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
824 		inp->pkt = NULL;
825 		inp->control = NULL;
837 	struct sctp_inpcb *inp;
850 	inp = (struct sctp_inpcb *)so->so_pcb;
851 	if (inp == NULL) {
852 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
857 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
864 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
872 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
878 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
882 	vrf_id = inp->def_vrf_id;
883 	SCTP_ASOC_CREATE_LOCK(inp);
884 	SCTP_INP_RLOCK(inp);
885 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
888 		SCTP_INP_RUNLOCK(inp);
891 			SCTP_ASOC_CREATE_UNLOCK(inp);
895 		SCTP_INP_RLOCK(inp);
897 	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
898 	    (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
900 		SCTP_INP_RUNLOCK(inp);
901 		SCTP_ASOC_CREATE_UNLOCK(inp);
902 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EADDRINUSE);
913 			SCTP_INP_RUNLOCK(inp);
914 			SCTP_ASOC_CREATE_UNLOCK(inp);
915 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
919 			SCTP_INP_RUNLOCK(inp);
920 			SCTP_ASOC_CREATE_UNLOCK(inp);
921 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EINVAL);
932 	if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
933 		stcb = LIST_FIRST(&inp->sctp_asoc_list);
937 		SCTP_INP_RUNLOCK(inp);
939 		SCTP_INP_RUNLOCK(inp);
940 		SCTP_INP_WLOCK(inp);
941 		SCTP_INP_INCR_REF(inp);
942 		SCTP_INP_WUNLOCK(inp);
943 		stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
945 			SCTP_INP_WLOCK(inp);
946 			SCTP_INP_DECR_REF(inp);
947 			SCTP_INP_WUNLOCK(inp);
953 		SCTP_ASOC_CREATE_UNLOCK(inp);
955 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, EALREADY);
959 	stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
960 	SCTP_ASOC_CREATE_UNLOCK(inp);
974 	sctp_initialize_auth_params(inp, stcb);
976 	sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
985 	struct sctp_inpcb *inp;
1000 	inp = (struct sctp_inpcb *)so->so_pcb;
1001 	if (inp == NULL) {
1003 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
1006 	SCTP_INP_RLOCK(inp);
1007 	sin6->sin6_port = inp->sctp_lport;
1008 	if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1010 		if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1016 			stcb = LIST_FIRST(&inp->sctp_asoc_list);
1037 			vrf_id = inp->def_vrf_id;
1038 			sctp_ifa = sctp_source_address_selection(inp, stcb, (sctp_route_t *) & net->ro, net, 0, vrf_id);
1052 		LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1064 			SCTP_INP_RUNLOCK(inp);
1065 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1069 	SCTP_INP_RUNLOCK(inp);
1085 	struct sctp_inpcb *inp;
1097 	inp = (struct sctp_inpcb *)so->so_pcb;
1098 	if ((inp == NULL) ||
1099 	    ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
1102 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOTCONN);
1105 	SCTP_INP_RLOCK(inp);
1106 	stcb = LIST_FIRST(&inp->sctp_asoc_list);
1110 	SCTP_INP_RUNLOCK(inp);
1113 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ECONNRESET);
1130 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, ENOENT);
1135 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP6_USRREQ, error);