void
ospf6_print(netdissect_options *ndo,
register const u_char *bp, register u_int length)
{
register const struct ospf6hdr *op;
register const u_char *dataend;
register const char *cp;
uint16_t datalen;
op = (const struct ospf6hdr *)bp;
/* If the type is valid translate it, or just print the type */
/* value. If it's not valid, say so and return */
ND_TCHECK(op->ospf6_type);
cp = tok2str(ospf6_type_values, "unknown packet type (%u)", op->ospf6_type);
ND_PRINT((ndo, "OSPFv%u, %s, length %d", op->ospf6_version, cp, length));
if (*cp == 'u') {
return;
}
if(!ndo->ndo_vflag) { /* non verbose - so lets bail out here */
return;
}
/* OSPFv3 data always comes first and optional trailing data may follow. */
ND_TCHECK(op->ospf6_len);
datalen = EXTRACT_16BITS(&op->ospf6_len);
if (datalen > length) {
ND_PRINT((ndo, " [len %d]", datalen));
return;
}
dataend = bp + datalen;
ND_TCHECK(op->ospf6_routerid);
ND_PRINT((ndo, "\n\tRouter-ID %s", ipaddr_string(ndo, &op->ospf6_routerid)));
ND_TCHECK(op->ospf6_areaid);
if (EXTRACT_32BITS(&op->ospf6_areaid) != 0)
ND_PRINT((ndo, ", Area %s", ipaddr_string(ndo, &op->ospf6_areaid)));
else
ND_PRINT((ndo, ", Backbone Area"));
ND_TCHECK(op->ospf6_instanceid);
if (op->ospf6_instanceid)
ND_PRINT((ndo, ", Instance %u", op->ospf6_instanceid));
/* Do rest according to version. */
switch (op->ospf6_version) {
case 3:
/* ospf version 3 */
if (ospf6_decode_v3(ndo, op, dataend) ||
ospf6_decode_v3_trailer(ndo, op, dataend, length - datalen))
goto trunc;
break;
} /* end switch on version */
return;
trunc:
ND_PRINT((ndo, "%s", tstr));
}
void
ospf6_print(register const u_char *bp, register u_int length)
{
register const struct ospf6hdr *op;
register const u_char *dataend;
register const char *cp;
op = (struct ospf6hdr *)bp;
/* If the type is valid translate it, or just print the type */
/* value. If it's not valid, say so and return */
TCHECK(op->ospf6_type);
cp = tok2str(ospf6_type_values, "unknown LS-type", op->ospf6_type);
printf("OSPFv%u, %s, length %d", op->ospf6_version, cp, length);
if (*cp == 'u') {
return;
}
if(!vflag) { /* non verbose - so lets bail out here */
return;
}
TCHECK(op->ospf6_len);
if (length != EXTRACT_16BITS(&op->ospf6_len)) {
printf(" [len %d]", EXTRACT_16BITS(&op->ospf6_len));
return;
}
dataend = bp + length;
/* Print the routerid if it is not the same as the source */
TCHECK(op->ospf6_routerid);
printf("\n\tRouter-ID %s", ipaddr_string(&op->ospf6_routerid));
TCHECK(op->ospf6_areaid);
if (op->ospf6_areaid != 0)
printf(", Area %s", ipaddr_string(&op->ospf6_areaid));
else
printf(", Backbone Area");
TCHECK(op->ospf6_instanceid);
if (op->ospf6_instanceid)
printf(", Instance %u", op->ospf6_instanceid);
/* Do rest according to version. */
switch (op->ospf6_version) {
case 3:
/* ospf version 3 */
if (ospf6_decode_v3(op, dataend))
goto trunc;
break;
default:
printf(" ospf [version %d]", op->ospf6_version);
break;
} /* end switch on version */
return;
trunc:
fputs(tstr, stdout);
}
void
ospf6_print(register const u_char *bp, register u_int length)
{
register const struct ospf6hdr *op;
register const u_char *dataend;
register const char *cp;
op = (struct ospf6hdr *)bp;
/* If the type is valid translate it, or just print the type */
/* value. If it's not valid, say so and return */
TCHECK(op->ospf6_type);
cp = tok2str(type2str, "type%d", op->ospf6_type);
printf("OSPFv%d-%s %d:", op->ospf6_version, cp, length);
if (*cp == 't')
return;
TCHECK(op->ospf6_len);
if (length != EXTRACT_16BITS(&op->ospf6_len)) {
printf(" [len %d]", EXTRACT_16BITS(&op->ospf6_len));
return;
}
dataend = bp + length;
/* Print the routerid if it is not the same as the source */
TCHECK(op->ospf6_routerid);
printf(" rtrid %s", ipaddr_string(&op->ospf6_routerid));
TCHECK(op->ospf6_areaid);
if (op->ospf6_areaid != 0)
printf(" area %s", ipaddr_string(&op->ospf6_areaid));
else
printf(" backbone");
TCHECK(op->ospf6_instanceid);
if (op->ospf6_instanceid)
printf(" instance %u", op->ospf6_instanceid);
/* Do rest according to version. */
switch (op->ospf6_version) {
case 3:
/* ospf version 3 */
if (ospf6_decode_v3(op, dataend))
goto trunc;
break;
default:
printf(" ospf [version %d]", op->ospf6_version);
break;
} /* end switch on version */
return;
trunc:
fputs(tstr, stdout);
}
