When discussing the "gateway" keyword, don't say that the host must be

[tcpdump] / print-udp.c

diff --git a/print-udp.c b/print-udp.c
index 1b6a90adb26903d3b1f92ab15686e010887adff8..0d397d624e05131025ea208e60412500560831a5 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 1.81 2000-10-03 02:55:02 itojun Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.94 2001-06-15 22:17:34 fenner Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -30,7 +30,6 @@ static const char rcsid[] =
 
 #include <sys/param.h>
 #include <sys/time.h>
-#include <sys/socket.h>
 
 #include <netinet/in.h>
 
@@ -42,10 +41,7 @@ static const char rcsid[] =
 #include <rpc/rpc.h>
 
 #include <stdio.h>
-
-#ifdef INET6
-#include <netinet/ip6.h>
-#endif
+#include <string.h>
 
 #include "interface.h"
 #include "addrtoname.h"
@@ -54,6 +50,9 @@ static const char rcsid[] =
 #include "udp.h"
 
 #include "ip.h"
+#ifdef INET6
+#include "ip6.h"
+#endif
 
 #ifdef NOERROR
 #undef NOERROR                                 /* Solaris sucks */
@@ -326,7 +325,7 @@ static int udp_cksum(register const struct ip *ip,
                sum += *sp++;
 
        if (tlen & 1) {
-               sum += htons( (*(const char *)sp) << 8);
+               sum += htons( (*(const u_int8_t *)sp) << 8);
        }
 
        while (sum > 0xffff)
@@ -374,7 +373,7 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
                sum += *sp++;
 
        if (tlen & 1)
-               sum += htons((*(const char *)sp) << 8);
+               sum += htons((*(const u_int8_t *)sp) << 8);
 
        while (sum > 0xffff)
                sum = (sum & 0xffff) + (sum >> 16);
@@ -393,16 +392,22 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 #define NTP_PORT 123           /*XXX*/
 #define SNMPTRAP_PORT 162      /*XXX*/
 #define ISAKMP_PORT 500                /*XXX*/
+#define TIMED_PORT 525         /*XXX*/
 #define RIP_PORT 520           /*XXX*/
 #define KERBEROS_SEC_PORT 750  /*XXX*/
 #define L2TP_PORT 1701         /*XXX*/
-#define ISAKMP_PORT_USER1 7500 /*??? - nonstandard*/
-#define ISAKMP_PORT_USER2 8500 /*??? - nonstandard*/
+#define ISAKMP_PORT_USER1 7500 /*XXX - nonstandard*/
+#define ISAKMP_PORT_USER2 8500 /*XXX - nonstandard*/
 #define RX_PORT_LOW 7000       /*XXX*/
 #define RX_PORT_HIGH 7009      /*XXX*/
 #define NETBIOS_NS_PORT   137
 #define NETBIOS_DGRAM_PORT   138
 #define CISCO_AUTORP_PORT 496  /*XXX*/
+#define RADIUS_PORT 1645
+#define RADIUS_NEW_PORT 1812
+#define RADIUS_ACCOUNTING_PORT 1646
+#define RADIUS_NEW_ACCOUNTING_PORT 1813
+#define LWRES_PORT             921
 
 #ifdef INET6
 #define RIPNG_PORT 521         /*XXX*/
@@ -411,7 +416,8 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 #endif
 
 void
-udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
+udp_print(register const u_char *bp, u_int length,
+         register const u_char *bp2, int fragmented)
 {
        register const struct udphdr *up;
        register const struct ip *ip;
@@ -560,15 +566,10 @@ udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
                    (atalk_port(sport) || atalk_port(dport))) {
                        if (vflag)
                                fputs("kip ", stdout);
-                       atalk_print(cp, length);
+                       llap_print(cp, length);
                        return;
                }
        }
-#if 0
-       (void)printf("%s.%s > %s.%s:",
-               ipaddr_string(&ip->ip_src), udpport_string(sport),
-               ipaddr_string(&ip->ip_dst), udpport_string(dport));
-#else
 #ifdef INET6
        if (ip6) {
                if (ip6->ip6_nxt == IPPROTO_UDP) {
@@ -595,30 +596,29 @@ udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
                                udpport_string(sport), udpport_string(dport));
                }
        }
-#endif
 
-       if (IP_V(ip) == 4 && vflag) {
+       if (IP_V(ip) == 4 && vflag && !fragmented) {
                int sum = up->uh_sum;
                if (sum == 0) {
-                       (void)printf(" [no cksum]");
+                       (void)printf("[no cksum] ");
                } else if (TTEST2(cp[0], length)) {
                        sum = udp_cksum(ip, up, length);
                        if (sum != 0)
-                               (void)printf(" [bad udp cksum %x!]", sum);
+                               (void)printf("[bad udp cksum %x!] ", sum);
                        else
-                               (void)printf(" [udp sum ok]");
+                               (void)printf("[udp sum ok] ");
                }
        }
 #ifdef INET6
-       if (IP_V(ip) == 6 && ip6->ip6_plen && vflag) {
+       if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
                int sum = up->uh_sum;
                /* for IPv6, UDP checksum is mandatory */
                if (TTEST2(cp[0], length)) {
                        sum = udp6_cksum(ip6, up, length);
                        if (sum != 0)
-                               (void)printf(" [bad udp cksum %x!]", sum);
+                               (void)printf("[bad udp cksum %x!] ", sum);
                        else
-                               (void)printf(" [udp sum ok]");
+                               (void)printf("[udp sum ok] ");
                }
        }
 #endif
@@ -627,6 +627,8 @@ udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
 #define ISPORT(p) (dport == (p) || sport == (p))
                if (ISPORT(NAMESERVER_PORT))
                        ns_print((const u_char *)(up + 1), length);
+               else if (ISPORT(TIMED_PORT))
+                       timed_print((const u_char *)(up + 1), length);
                else if (ISPORT(TFTP_PORT))
                        tftp_print((const u_char *)(up + 1), length);
                else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
@@ -679,6 +681,13 @@ udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
                        wb_print((const void *)(up + 1), length);
                else if (ISPORT(CISCO_AUTORP_PORT))
                        cisco_autorp_print((const void *)(up + 1), length);
+               else if (ISPORT(RADIUS_PORT) ||
+                        ISPORT(RADIUS_NEW_PORT) ||
+                        ISPORT(RADIUS_ACCOUNTING_PORT) || 
+                        ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
+                       radius_print((const u_char *)(up+1), length);
+               else if (ISPORT(LWRES_PORT))
+                       lwres_print((const u_char *)(up + 1), length);
                else
                        (void)printf(" udp %u",
                            (u_int32_t)(ulen - sizeof(*up)));