26 #include "netdissect-stdinc.h"
127 	for (bitp = cp + 1, b = bitlen; bitp < lim && b > 7; b -= 8, bitp++) {  in blabel_print()
133 		ND_PRINT("%02x", tc & (0xff << (8 - b)));  in blabel_print()
137 		ND_PRINT("%1x", ((tc >> 4) & 0x0f) & (0x0f << (4 - b)));  in blabel_print()
150 		return(-1);  in labellen()
158 			return(-1);  in labellen()
161 			return(-1);  in labellen()
177 		return(-1);  in labellen()
181 /* print a <domain-name> */
193 	if ((l = labellen(ndo, cp)) == (u_int)-1)  in fqdn_print()
197 	max_offset = (u_int)(cp - bp);  in fqdn_print()
206 		while (i && cp < ndo->ndo_snapend) {  in fqdn_print()
236 				if ((l = labellen(ndo, cp)) == (u_int)-1)  in fqdn_print()
261 					if (nd_printn(ndo, cp, l, ndo->ndo_snapend))  in fqdn_print()
265 					    MAXCDNAME - name_chars, ndo->ndo_snapend))  in fqdn_print()
279 			if ((l = labellen(ndo, cp)) == (u_int)-1)  in fqdn_print()
292 /* print a <character-string> */
303 	if (nd_printn(ndo, cp, i, ndo->ndo_snapend))  in ns_cprint()
314     u_char padded[32];  in print_eopt_ecs()  local
339     if (data_len - 4 > (addr_bits / 8)) {  in print_eopt_ecs()
344     if (src_len > addr_bits || scope_len > addr_bits || ((src_len + 7) / 8) != (data_len - 4)) {  in print_eopt_ecs()
350     memset(padded, 0, sizeof(padded));  in print_eopt_ecs()
351     memcpy(padded, cp, data_len - 4);  in print_eopt_ecs()
355         ND_PRINT("%s/%d/%d", addrtostr(padded, addr, INET_ADDRSTRLEN),  in print_eopt_ecs()
358         ND_PRINT("%s/%d/%d", addrtostr6(padded, addr, INET6_ADDRSTRLEN),  in print_eopt_ecs()
369 /* print an <EDNS-option> */
459             /* intentional fall-through. NSID is an undefined byte string */  in eopt_print()
477 /* https://www.iana.org/assignments/dns-parameters */
594     { E_KEYTAG,     "KEY-TAG" },
595     { E_CLIENTTAG,  "CLIENT-TAG" },
596     { E_SERVERTAG,  "SERVER-TAG" },
606     { A_DSA_NSEC3_SHA1,     "DSA-NSEC3-SHA1" },
607     { A_RSASHA1_NSEC3_SHA1, "RSASHA1-NSEC3-SHA1" },
610     { A_ECC_GOST,           "ECC-GOST" },
622     { DS_SHA1,  "SHA-1" },
623     { DS_SHA256,"SHA-256" },
624     { DS_GOST,  "GOST_R_34.11-94" },
625     { DS_SHA384,"SHA-384" },
630     { NSEC_SHA1,"SHA-1" },
678 	if (ndo->ndo_vflag) {  in ns_rprint()
686 		return (ndo->ndo_snapend);  in ns_rprint()
711 	} else if (ndo->ndo_vflag > 2) {  in ns_rprint()
728 	if (rp > ndo->ndo_snapend)  in ns_rprint()
748 		if (!ndo->ndo_vflag)  in ns_rprint()
825 			GET_CPY_BYTES(a + pbyte, cp + 1, sizeof(a) - pbyte);  in ns_rprint()
831 			if (fqdn_print(ndo, cp + 1 + sizeof(a) - pbyte, bp) == NULL)  in ns_rprint()
845 		if (nd_printn(ndo, cp + 4, len - 4, ndo->ndo_snapend))  in ns_rprint()
868 		if (cp + len > ndo->ndo_snapend)  in ns_rprint()
870 		if (!ndo->ndo_vflag)  in ns_rprint()
912 	ndo->ndo_protocol = "domain";  in domain_print()
918 		 * length field. (RFC 1035 - 4.2.2. TCP usage)  in domain_print()
925 			length -= 2; /* excluding the two byte length field */  in domain_print()
951 	flags = GET_BE_U_2(np->flags);  in domain_print()
952 	/* get the byte-order right */  in domain_print()
953 	qdcount = GET_BE_U_2(np->qdcount);  in domain_print()
954 	ancount = GET_BE_U_2(np->ancount);  in domain_print()
955 	nscount = GET_BE_U_2(np->nscount);  in domain_print()
956 	arcount = GET_BE_U_2(np->arcount);  in domain_print()
965 		if (cp >= ndo->ndo_snapend)  in domain_print()
972 		if (cp + 2 > ndo->ndo_snapend)  in domain_print()
976 		if (cp >= ndo->ndo_snapend)  in domain_print()
982 		if (cp + 2 > ndo->ndo_snapend)  in domain_print()
986 		if (cp + 1 > ndo->ndo_snapend)  in domain_print()
993 		if (cp + 2 > ndo->ndo_snapend)  in domain_print()
997 		if (cp >= ndo->ndo_snapend)  in domain_print()
1005 			GET_BE_U_2(np->id),  in domain_print()
1009 			DNS_RA(flags)? "" : "-",  in domain_print()
1015 		/* Print QUESTION section on -vv */  in domain_print()
1020 			if (ndo->ndo_vflag > 1) {  in domain_print()
1034 			ancount--;  in domain_print()
1035 			while (cp < ndo->ndo_snapend && ancount) {  in domain_print()
1039 				ancount--;  in domain_print()
1044 		/* Print NS and AR sections on -vv */  in domain_print()
1045 		if (ndo->ndo_vflag > 1) {  in domain_print()
1046 			if (cp < ndo->ndo_snapend && nscount) {  in domain_print()
1050 				nscount--;  in domain_print()
1051 				while (cp < ndo->ndo_snapend && nscount) {  in domain_print()
1055 					nscount--;  in domain_print()
1060 			if (cp < ndo->ndo_snapend && arcount) {  in domain_print()
1064 				arcount--;  in domain_print()
1065 				while (cp < ndo->ndo_snapend && arcount) {  in domain_print()
1069 					arcount--;  in domain_print()
1077 		ND_PRINT("%u%s%s%s", GET_BE_U_2(np->id),  in domain_print()
1099 			ND_PRINT(" [%un]", nscount);  in domain_print()
1108 			qdcount--;  in domain_print()
1109 			while (cp < ndo->ndo_snapend && qdcount) {  in domain_print()
1115 				qdcount--;  in domain_print()
1121 		/* Print remaining sections on -vv */  in domain_print()
1122 		if (ndo->ndo_vflag > 1) {  in domain_print()
1126 				ancount--;  in domain_print()
1127 				while (cp < ndo->ndo_snapend && ancount) {  in domain_print()
1131 					ancount--;  in domain_print()
1136 			if (cp < ndo->ndo_snapend && nscount) {  in domain_print()
1140 				nscount--;  in domain_print()
1141 				while (cp < ndo->ndo_snapend && nscount) {  in domain_print()
1145 					nscount--;  in domain_print()
1150 			if (cp < ndo->ndo_snapend && arcount) {  in domain_print()
1154 				arcount--;  in domain_print()
1155 				while (cp < ndo->ndo_snapend && arcount) {  in domain_print()
1159 					arcount--;  in domain_print()