IP packet information printing from NFLOG packet

[tcpdump] / print-domain.c

diff --git a/print-domain.c b/print-domain.c
index 87086f8ec1a1e4d501d43b7af1a34a5c4a57c656..4bf1a52ded5a4e2d126b11a4c4760b541a49da36 100644 (file)
--- a/print-domain.c
+++ b/print-domain.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-domain.c,v 1.96 2007-01-15 11:15:26 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-domain.c,v 1.98 2007-12-09 01:40:32 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -144,7 +144,7 @@ labellen(const u_char *cp)
                return(i);
 }
 
-static const u_char *
+const u_char *
 ns_nprint(register const u_char *cp, register const u_char *bp)
 {
        register u_int i, l;
@@ -320,7 +320,7 @@ 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, class, qu;
+       register u_int i, class;
 
        cp = ns_nskip(cp);
 
@@ -334,19 +334,18 @@ ns_qprint(register const u_char *cp, register const u_char *bp, int is_mdns)
        /* print the qclass (if it's not IN) */
        i = EXTRACT_16BITS(cp);
        cp += 2;
-       if (is_mdns) {
+       if (is_mdns)
                class = (i & ~C_QU);
-               qu = (i & C_QU);
-       } else {
+       else
                class = i;
-               qu = 0;
-       }
        if (class != C_IN)
                printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
-       if (qu)
-               printf(" (QU)");
-       else
-               printf(" (QM)");
+       if (is_mdns) {
+               if (i & C_QU)
+                       printf(" (QU)");
+               else
+                       printf(" (QM)");
+       }
 
        fputs("? ", stdout);
        cp = ns_nprint(np, bp);
@@ -357,7 +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 i, class, cache_flush, opt_flags = 0;
+       register u_int i, class, opt_flags = 0;
        register u_short typ, len;
        register const u_char *rp;
 
@@ -377,25 +376,33 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
        /* print the class (if it's not IN and the type isn't OPT) */
        i = EXTRACT_16BITS(cp);
        cp += 2;
-       if (is_mdns) {
+       if (is_mdns)
                class = (i & ~C_CACHE_FLUSH);
-               cache_flush = i & C_CACHE_FLUSH;
-       } else {
+       else
                class = i;
-               cache_flush = 0;
-       }
        if (class != C_IN && typ != T_OPT)
                printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
-       if (cache_flush)
-               printf(" (Cache flush)");
+       if (is_mdns) {
+               if (i & C_CACHE_FLUSH)
+                       printf(" (Cache flush)");
+       }
 
-       /* ignore ttl */
-       cp += 2;
-       /* if T_OPT, save opt_flags */
-       if (typ == T_OPT)
+       if (typ == T_OPT) {
+               /* get opt flags */
+               cp += 2;
                opt_flags = EXTRACT_16BITS(cp);
-       /* ignore rest of ttl */
-       cp += 2;
+               /* ignore rest of ttl field */
+               cp += 2;
+       } else if (vflag > 2) {
+               /* print ttl */
+               printf(" [");
+               relts_print(EXTRACT_32BITS(cp));
+               printf("]");
+               cp += 4;
+       } else {
+               /* ignore ttl */
+               cp += 4;
+       }
 
        len = EXTRACT_16BITS(cp);
        cp += 2;
@@ -410,7 +417,7 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
        case T_A:
                if (!TTEST2(*cp, sizeof(struct in_addr)))
                        return(NULL);
-               printf(" %s", ipaddr_string(cp));
+               printf(" %s", intoa(htonl(EXTRACT_32BITS(cp))));
                break;
 
        case T_NS:
@@ -477,15 +484,24 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
 
 #ifdef INET6
        case T_AAAA:
+           {
+               struct in6_addr addr;
+               char ntop_buf[INET6_ADDRSTRLEN];
+
                if (!TTEST2(*cp, sizeof(struct in6_addr)))
                        return(NULL);
-               printf(" %s", ip6addr_string(cp));
+               memcpy(&addr, cp, sizeof(struct in6_addr));
+               printf(" %s",
+                   inet_ntop(AF_INET6, &addr, ntop_buf, sizeof(ntop_buf)));
+
                break;
+           }
 
        case T_A6:
            {
                struct in6_addr a;
                int pbit, pbyte;
+               char ntop_buf[INET6_ADDRSTRLEN];
 
                if (!TTEST2(*cp, 1))
                        return(NULL);
@@ -499,7 +515,8 @@ ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
                                return(NULL);
                        memset(&a, 0, sizeof(a));
                        memcpy(&a.s6_addr[pbyte], cp + 1, sizeof(a) - pbyte);
-                       printf(" %u %s", pbit, ip6addr_string(&a));
+                       printf(" %u %s", pbit,
+                           inet_ntop(AF_INET6, &a, ntop_buf, sizeof(ntop_buf)));
                }
                if (pbit > 0) {
                        putchar(' ');