usr.sbin/snoop/snoop_ospf.c

540 interpret_ospf(int flags, struct ospfhdr *ospf, int iplen, int fraglen)
549 	    (fraglen < ntohs(ospf->ospf_len)))
552 	if (fraglen > ntohs(ospf->ospf_len))
553 		fraglen = ntohs(ospf->ospf_len);
556 	if (ospf->ospf_type > OSPF_TYPE_MAX) {
559 			    ospf->ospf_type);
566 			    "Unknown OSPF Type = %d", ospf->ospf_type);
574 		    ospf_types[ospf->ospf_type],
575 		    inet_ntoa(ospf->ospf_routerid));
578 		    inet_ntoa(ospf->ospf_areaid),
579 		    ntohs((ushort_t)ospf->ospf_len));
587 		    "Version = %d", ospf->ospf_version);
589 		    "Type = %s", ospf_types[ospf->ospf_type]);
591 		    "Router ID = %s", inet_ntoa(ospf->ospf_routerid));
593 		    "Area ID = %s", inet_ntoa(ospf->ospf_areaid));
595 		    "Checksum = 0x%x", ospf->ospf_chksum);
597 		if (ospf->ospf_authtype > OSPF_AUTH_TYPE_MAX) {
600 			    ospf->ospf_authtype);
603 			    "Auth = %s", ospf_authtypes[ospf->ospf_authtype]);
607 	if (ospf->ospf_version != 2) {
608 		if (ospf->ospf_version == 3) {
612 			return (interpret_ospf6(flags, ospf, iplen, fraglen));
618 	switch (ospf->ospf_type) {
620 		if (interpret_ospf_hello(flags, ospf, fraglen) < 0)
631 			    ospf_option_bits, ospf->ospf_db.db_options),
633 			    ospf->ospf_db.db_flags),
634 			    ntohl(ospf->ospf_db.db_seq));
643 			    ospf_option_bits, ospf->ospf_db.db_options));
646 			    ospf_db_flags_bits, ospf->ospf_db.db_flags));
648 			    "Sequence = 0x%X", ntohl(ospf->ospf_db.db_seq));
650 			lsah = ospf->ospf_db.db_lshdr;
651 			while ((uchar_t *)lsah < ((uchar_t *)ospf + fraglen)) {
653 				    ((uchar_t *)ospf + fraglen)) {
672 		lsr = ospf->ospf_lsr;
673 		while ((uchar_t *)lsr < ((uchar_t *)ospf + fraglen)) {
675 			    ((uchar_t *)ospf + fraglen)) {
704 		lsa = ospf->ospf_lsu.lsu_lsa;
705 		nlsa = ntohl(ospf->ospf_lsu.lsu_count);
712 			uchar_t *fragend = (uchar_t *)ospf + fraglen;
738 		lsah = ospf->ospf_lsa.lsa_lshdr;
740 		while ((uchar_t *)lsah < ((uchar_t *)ospf + fraglen)) {
742 			    ((uchar_t *)ospf + fraglen)) {