Import of tcpdump v3.9.8

1 files changed, 50 insertions, 16 deletions

diff --git a/contrib/tcpdump/print-domain.c b/contrib/tcpdump/print-domain.c
index adcf592..d4a35d8 100644
--- a/contrib/tcpdump/print-domain.c
+++ b/contrib/tcpdump/print-domain.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-domain.c,v 1.89.2.1 2005/04/20 20:59:00 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-domain.c,v 1.89.2.8 2007/02/13 19:19:27 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -278,9 +278,20 @@ struct tok ns_type2str[] = {
 	{ T_SRV,	"SRV" },		/* RFC 2782 */
 	{ T_ATMA,	"ATMA" },		/* ATM Forum */
 	{ T_NAPTR,	"NAPTR" },		/* RFC 2168, RFC 2915 */
+	{ T_KX,		"KX" },			/* RFC 2230 */
+	{ T_CERT,	"CERT" },		/* RFC 2538 */
 	{ T_A6,		"A6" },			/* RFC 2874 */
 	{ T_DNAME,	"DNAME" },		/* RFC 2672 */
+	{ T_SINK, 	"SINK" },
 	{ T_OPT,	"OPT" },		/* RFC 2671 */
+	{ T_APL, 	"APL" },		/* RFC 3123 */
+	{ T_DS,		"DS" },			/* RFC 4034 */
+	{ T_SSHFP,	"SSHFP" },		/* RFC 4255 */
+	{ T_IPSECKEY,	"IPSECKEY" },		/* RFC 4025 */
+	{ T_RRSIG, 	"RRSIG" },		/* RFC 4034 */
+	{ T_NSEC,	"NSEC" },		/* RFC 4034 */
+	{ T_DNSKEY,	"DNSKEY" },		/* RFC 4034 */
+	{ T_SPF,	"SPF" },		/* RFC-schlitt-spf-classic-02.txt */
 	{ T_UINFO,	"UINFO" },
 	{ T_UID,	"UID" },
 	{ T_GID,	"GID" },
@@ -309,23 +320,32 @@ static const u_char *
 ns_qprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 {
 	register const u_char *np = cp;
-	register u_int i;
+	register u_int i, class;
 
 	cp = ns_nskip(cp);
 
 	if (cp == NULL || !TTEST2(*cp, 4))
 		return(NULL);
 
-	/* print the qtype and qclass (if it's not IN) */
+	/* print the qtype */
 	i = EXTRACT_16BITS(cp);
 	cp += 2;
 	printf(" %s", tok2str(ns_type2str, "Type%d", i));
+	/* print the qclass (if it's not IN) */
 	i = EXTRACT_16BITS(cp);
 	cp += 2;
-	if (is_mdns && i == (C_IN|C_CACHE_FLUSH))
-		printf(" (Cache flush)");
-	else if (i != C_IN)
-		printf(" %s", tok2str(ns_class2str, "(Class %d)", i));
+	if (is_mdns)
+		class = (i & ~C_QU);
+	else
+		class = i;
+	if (class != C_IN)
+		printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
+	if (is_mdns) {
+		if (i & C_QU)
+			printf(" (QU)");
+		else
+			printf(" (QM)");
+	}
 
 	fputs("? ", stdout);
 	cp = ns_nprint(np, bp);
@@ -336,7 +356,7 @@ ns_qprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 static const u_char *
 ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 {
-	register u_int class;
+	register u_int i, class, opt_flags = 0;
 	register u_short typ, len;
 	register const u_char *rp;
 
@@ -350,18 +370,30 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 	if (cp == NULL || !TTEST2(*cp, 10))
 		return (snapend);
 
-	/* print the type/qtype and class (if it's not IN) */
+	/* print the type/qtype */
 	typ = EXTRACT_16BITS(cp);
 	cp += 2;
-	class = EXTRACT_16BITS(cp);
+	/* print the class (if it's not IN and the type isn't OPT) */
+	i = EXTRACT_16BITS(cp);
 	cp += 2;
-	if (is_mdns && class == (C_IN|C_CACHE_FLUSH))
-		printf(" (Cache flush)");
-	else if (class != C_IN && typ != T_OPT)
+	if (is_mdns)
+		class = (i & ~C_CACHE_FLUSH);
+	else
+		class = i;
+	if (class != C_IN && typ != T_OPT)
 		printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
+	if (is_mdns) {
+		if (i & C_CACHE_FLUSH)
+			printf(" (Cache flush)");
+	}
 
 	/* ignore ttl */
-	cp += 4;
+	cp += 2;
+	/* if T_OPT, save opt_flags */
+	if (typ == T_OPT)
+		opt_flags = EXTRACT_16BITS(cp);
+	/* ignore rest of ttl */
+	cp += 2;
 
 	len = EXTRACT_16BITS(cp);
 	cp += 2;
@@ -478,6 +510,8 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 
 	case T_OPT:
 		printf(" UDPsize=%u", class);
+		if (opt_flags & 0x8000)
+			printf(" OK");
 		break;
 
 	case T_UNSPECA:		/* One long string */
@@ -540,7 +574,7 @@ ns_print(register const u_char *bp, u_int length, int is_mdns)
 
 	if (DNS_QR(np)) {
 		/* this is a response */
-		printf(" %d%s%s%s%s%s%s",
+		printf("%d%s%s%s%s%s%s",
 			EXTRACT_16BITS(&np->id),
 			ns_ops[DNS_OPCODE(np)],
 			ns_resp[DNS_RCODE(np)],
@@ -608,7 +642,7 @@ ns_print(register const u_char *bp, u_int length, int is_mdns)
 	}
 	else {
 		/* this is a request */
-		printf(" %d%s%s%s", EXTRACT_16BITS(&np->id), ns_ops[DNS_OPCODE(np)],
+		printf("%d%s%s%s", EXTRACT_16BITS(&np->id), ns_ops[DNS_OPCODE(np)],
 		    DNS_RD(np) ? "+" : "",
 		    DNS_CD(np) ? "%" : "");