- support for the route target information SAFI #132 defined in draft-marques-ppvpn...

[tcpdump] / print-udp.c

diff --git a/print-udp.c b/print-udp.c
index db3bf2ee9a06d3888c6604c55bffeb9a7d42a7da..e289be615e008ab40f0ce3f125e0db08dda3b5e5 100644 (file)
--- a/print-udp.c
+++ b/print-udp.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.115 2003-05-01 18:02:13 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.121 2003-09-12 22:05:57 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -51,6 +51,7 @@ static const char rcsid[] =
 #ifdef INET6
 #include "ip6.h"
 #endif
+#include "ipproto.h"
 
 #include "nameser.h"
 #include "nfs.h"
@@ -373,6 +374,7 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 #define TIMED_PORT 525         /*XXX*/
 #define RIP_PORT 520           /*XXX*/
 #define LDP_PORT 646
+#define AODV_PORT 654          /*XXX*/
 #define KERBEROS_SEC_PORT 750  /*XXX*/
 #define L2TP_PORT 1701         /*XXX*/
 #define ISAKMP_PORT_USER1 7500 /*XXX - nonstandard*/
@@ -390,6 +392,7 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 #define LWRES_PORT             921
 #define ZEPHYR_SRV_PORT                2103
 #define ZEPHYR_CLT_PORT                2104
+#define MPLS_LSP_PING_PORT      3503 /* draft-ietf-mpls-lsp-ping-02.txt */
 
 #ifdef INET6
 #define RIPNG_PORT 521         /*XXX*/
@@ -398,7 +401,7 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 #endif
 
 static void
-udpipaddr_print(const struct ip *ip, u_int16_t sport, u_int16_t dport)
+udpipaddr_print(const struct ip *ip, int sport, int dport)
 {
 #ifdef INET6
        const struct ip6_hdr *ip6;
@@ -410,27 +413,45 @@ udpipaddr_print(const struct ip *ip, u_int16_t sport, u_int16_t dport)
 
        if (ip6) {
                if (ip6->ip6_nxt == IPPROTO_UDP) {
-                       (void)printf("%s.%s > %s.%s: ",
-                               ip6addr_string(&ip6->ip6_src),
-                               udpport_string(sport),
-                               ip6addr_string(&ip6->ip6_dst),
-                               udpport_string(dport));
+                       if (sport == -1) {
+                               (void)printf("%s > %s: ",
+                                       ip6addr_string(&ip6->ip6_src),
+                                       ip6addr_string(&ip6->ip6_dst));
+                       } else {
+                               (void)printf("%s.%s > %s.%s: ",
+                                       ip6addr_string(&ip6->ip6_src),
+                                       udpport_string(sport),
+                                       ip6addr_string(&ip6->ip6_dst),
+                                       udpport_string(dport));
+                       }
                } else {
-                       (void)printf("%s > %s: ",
-                               udpport_string(sport), udpport_string(dport));
+                       if (sport != -1) {
+                               (void)printf("%s > %s: ",
+                                       udpport_string(sport),
+                                       udpport_string(dport));
+                       }
                }
        } else
 #endif /*INET6*/
        {
                if (ip->ip_p == IPPROTO_UDP) {
-                       (void)printf("%s.%s > %s.%s: ",
-                               ipaddr_string(&ip->ip_src),
-                               udpport_string(sport),
-                               ipaddr_string(&ip->ip_dst),
-                               udpport_string(dport));
+                       if (sport == -1) {
+                               (void)printf("%s > %s: ",
+                                       ipaddr_string(&ip->ip_src),
+                                       ipaddr_string(&ip->ip_dst));
+                       } else {
+                               (void)printf("%s.%s > %s.%s: ",
+                                       ipaddr_string(&ip->ip_src),
+                                       udpport_string(sport),
+                                       ipaddr_string(&ip->ip_dst),
+                                       udpport_string(dport));
+                       }
                } else {
-                       (void)printf("%s > %s: ",
-                               udpport_string(sport), udpport_string(dport));
+                       if (sport != -1) {
+                               (void)printf("%s > %s: ",
+                                       udpport_string(sport),
+                                       udpport_string(dport));
+                       }
                }
        }
 }
@@ -459,27 +480,32 @@ udp_print(register const u_char *bp, u_int length,
                ip6 = NULL;
 #endif /*INET6*/
        cp = (u_char *)(up + 1);
-       if (cp > snapend) {
-               (void)printf("%s > %s: [|udp]",
-                       ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst));
+       if (!TTEST(up->uh_dport)) {
+               udpipaddr_print(ip, -1, -1);
+               (void)printf("[|udp]");
                return;
        }
+
+       sport = EXTRACT_16BITS(&up->uh_sport);
+       dport = EXTRACT_16BITS(&up->uh_dport);
+
        if (length < sizeof(struct udphdr)) {
-               (void)printf("%s > %s: truncated-udp %d",
-                       ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst),
-                       length);
+               udpipaddr_print(ip, sport, dport);
+               (void)printf("truncated-udp %d", length);
                return;
        }
        length -= sizeof(struct udphdr);
 
-       sport = EXTRACT_16BITS(&up->uh_sport);
-       dport = EXTRACT_16BITS(&up->uh_dport);
+       if (cp > snapend) {
+               udpipaddr_print(ip, sport, dport);
+               (void)printf("[|udp]");
+               return;
+       }
+
        ulen = EXTRACT_16BITS(&up->uh_ulen);
        if (ulen < 8) {
-               (void)printf("%s > %s: truncated-udplength %d",
-                            ipaddr_string(&ip->ip_src),
-                            ipaddr_string(&ip->ip_dst),
-                            ulen);
+               udpipaddr_print(ip, sport, dport);
+               (void)printf("truncated-udplength %d", ulen);
                return;
        }
        if (packettype) {
@@ -529,6 +555,21 @@ udp_print(register const u_char *bp, u_int length,
                        udpipaddr_print(ip, sport, dport);
                        cnfp_print(cp, (const u_char *)ip);
                        break;
+
+               case PT_TFTP:
+                       udpipaddr_print(ip, sport, dport);
+                       tftp_print(cp, length);
+                       break;
+
+               case PT_AODV:
+                       udpipaddr_print(ip, sport, dport);
+                       aodv_print((const u_char *)(up + 1), length,
+#ifdef INET6
+                           ip6 != NULL);
+#else
+                           FALSE);
+#endif
+                       break;
                }
                return;
        }
@@ -606,6 +647,13 @@ udp_print(register const u_char *bp, u_int length,
                        bootp_print((const u_char *)(up + 1), length);
                else if (ISPORT(RIP_PORT))
                        rip_print((const u_char *)(up + 1), length);
+               else if (ISPORT(AODV_PORT))
+                       aodv_print((const u_char *)(up + 1), length,
+#ifdef INET6
+                           ip6 != NULL);
+#else
+                           FALSE);
+#endif
                else if (ISPORT(ISAKMP_PORT))
                        isakmp_print((const u_char *)(up + 1), length, bp2);
 #if 1 /*???*/
@@ -664,6 +712,8 @@ udp_print(register const u_char *bp, u_int length,
                        lwres_print((const u_char *)(up + 1), length);
                 else if (ISPORT(LDP_PORT))
                        ldp_print((const u_char *)(up + 1), length);
+                else if (ISPORT(MPLS_LSP_PING_PORT))
+                       mpls_lsp_ping_print((const u_char *)(up + 1), length);
                else
                        (void)printf("udp %u",
                            (u_int32_t)(ulen - sizeof(*up)));