]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-ip6.c
CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10
[tcpdump] / print-ip6.c
index bc91cb878008ac657482f02fc87744a204cd1686..269b41fb2a7aabc87b2cf811126734728a49b027 100644 (file)
@@ -292,7 +292,7 @@ ip6_print(netdissect_options *ndo, const u_char *bp, u_int length)
            if (flow & 0x000fffff)
                ND_PRINT("flowlabel 0x%05x, ", flow & 0x000fffff);
 
-           ND_PRINT("hlim %u, next-header %s (%u) payload length: %u) ",
+           ND_PRINT("hlim %u, next-header %s (%u), payload length %u) ",
                         GET_U_1(ip6->ip6_hlim),
                         tok2str(ipproto_values,"unknown",nh),
                         nh,
@@ -301,9 +301,11 @@ ip6_print(netdissect_options *ndo, const u_char *bp, u_int length)
        ND_TCHECK_SIZE(ip6);
 
        /*
-        * Cut off the snapshot length to the end of the IP payload.
+        * Cut off the snapshot length to the end of the IP payload
+        * or the end of the data in which it's contained, whichever
+        * comes first.
         */
-       if (!nd_push_snaplen(ndo, bp, len)) {
+       if (!nd_push_snaplen(ndo, bp, ND_MIN(length, len))) {
                (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
                        "%s: can't push snaplen on buffer stack", __func__);
        }
@@ -385,7 +387,7 @@ ip6_print(netdissect_options *ndo, const u_char *bp, u_int length)
                case IPPROTO_MOBILITY_OLD:
                case IPPROTO_MOBILITY:
                        /*
-                        * XXX - we don't use "advance"; RFC 3775 says that
+                        * RFC 3775 says that
                         * the next header field in a mobility header
                         * should be IPPROTO_NONE, but speaks of
                         * the possibility of a future extension in