the failed/passed count was not kept in the right place

[tcpdump] / print-udp.c

diff --git a/print-udp.c b/print-udp.c
index bf5c7ba52ff4c11794261bf358f97e4c1e7a1a74..77bf330e90d947ad24da7ba8ea6bbc1aebb102e5 100644 (file)
--- a/print-udp.c
+++ b/print-udp.c
@@ -389,7 +389,8 @@ udp_print(netdissect_options *ndo, const u_char *bp, u_int length,
        const struct ip *ip;
        const u_char *cp;
        const u_char *ep = ndo->ndo_snapend;
-       uint16_t sport, dport, ulen;
+       uint16_t sport, dport;
+       u_int ulen;
        const struct ip6_hdr *ip6;
 
        ndo->ndo_protocol = "udp";
@@ -417,6 +418,13 @@ udp_print(netdissect_options *ndo, const u_char *bp, u_int length,
                goto trunc;
        }
        ulen = GET_BE_U_2(up->uh_ulen);
+       /*
+        * IPv6 Jumbo Datagrams; see RFC 2675.
+        * If the length is zero, and the length provided to us is
+        * > 65535, use the provided length as the length.
+        */
+       if (ulen == 0 && length > 65535)
+               ulen = length;
        if (ulen < sizeof(struct udphdr)) {
                udpipaddr_print(ndo, ip, sport, dport);
                ND_PRINT("truncated-udplength %u", ulen);