gre: add support for MikroTik Ethernet-over-IP hack.

[tcpdump] / print-lwres.c

diff --git a/print-lwres.c b/print-lwres.c
index 1c195a4d68795e07888968d1797d62449e7494b8..b8f9b49ae598c3b410de1bfa31032b0b5f54310b 100644 (file)
--- a/print-lwres.c
+++ b/print-lwres.c
@@ -182,7 +182,7 @@ static const struct tok opcode[] = {
        { LWRES_OPCODE_GETADDRSBYNAME,  "getaddrsbyname", },
        { LWRES_OPCODE_GETNAMEBYADDR,   "getnamebyaddr", },
        { LWRES_OPCODE_GETRDATABYNAME,  "getrdatabyname", },
-       { 0,                            NULL, },
+       { 0,                            NULL, },
 };
 
 /* print-domain.c */
@@ -291,7 +291,9 @@ lwres_print(netdissect_options *ndo,
        if (ndo->ndo_vflag || v != LWRES_LWPACKETVERSION_0)
                ND_PRINT(" v%u", v);
        if (v != LWRES_LWPACKETVERSION_0) {
-               s = bp + GET_BE_U_4(np->length);
+               uint32_t pkt_len = GET_BE_U_4(np->length);
+               ND_TCHECK_LEN(bp, pkt_len);
+               s = bp + pkt_len;
                goto tail;
        }