#include "addrtoname.h"
#include "extract.h"
-static const char tstr[] = "[|babel]";
static void babel_print_v2(netdissect_options *, const u_char *cp, u_int length);
babel_print(netdissect_options *ndo,
const u_char *cp, u_int length)
{
+ ndo->ndo_protocol = "babel";
ND_PRINT("babel");
ND_TCHECK_4(cp);
return;
trunc:
- ND_PRINT(" %s", tstr);
+ nd_print_trunc(ndo);
return;
}
#define MESSAGE_ROUTER_ID 6
#define MESSAGE_NH 7
#define MESSAGE_UPDATE 8
-#define MESSAGE_REQUEST 9
-#define MESSAGE_MH_REQUEST 10
+#define MESSAGE_ROUTE_REQUEST 9
+#define MESSAGE_SEQNO_REQUEST 10
#define MESSAGE_TSPC 11
#define MESSAGE_HMAC 12
-#define MESSAGE_UPDATE_SRC_SPECIFIC 13
-#define MESSAGE_REQUEST_SRC_SPECIFIC 14
-#define MESSAGE_MH_REQUEST_SRC_SPECIFIC 15
+#define MESSAGE_UPDATE_SRC_SPECIFIC 13 /* last appearance in draft-boutier-babel-source-specific-01 */
+#define MESSAGE_REQUEST_SRC_SPECIFIC 14 /* idem */
+#define MESSAGE_MH_REQUEST_SRC_SPECIFIC 15 /* idem */
/* sub-TLVs */
#define MESSAGE_SUB_PAD1 0
break;
case MESSAGE_IHU: {
- unsigned short txcost, interval;
+ unsigned short rxcost, interval;
if (!ndo->ndo_vflag)
ND_PRINT(" ihu");
else {
u_char address[16];
+ u_char ae;
int rc;
ND_PRINT("\n\tIHU ");
if(len < 6) goto invalid;
- txcost = EXTRACT_BE_U_2(message + 4);
+ rxcost = EXTRACT_BE_U_2(message + 4);
interval = EXTRACT_BE_U_2(message + 6);
- rc = network_address(EXTRACT_U_1(message + 2), message + 8,
+ ae = EXTRACT_U_1(message + 2);
+ rc = network_address(ae, message + 8,
len - 6, address);
- if(rc < 0) { ND_PRINT("%s", tstr); break; }
- ND_PRINT("%s txcost %u interval %s",
- format_address(ndo, address), txcost, format_interval(interval));
+ if(rc < 0) { nd_print_trunc(ndo); break; }
+ ND_PRINT("%s rxcost %u interval %s",
+ ae == 0 ? "any" : format_address(ndo, address),
+ rxcost, format_interval(interval));
/* Extra data. */
if((u_int)rc < len - 6)
subtlvs_print(ndo, message + 8 + rc, message + 2 + len,
ND_PRINT(" nh");
else {
int rc;
+ u_char ae;
u_char nh[16];
ND_PRINT("\n\tNext Hop");
if(len < 2) goto invalid;
- rc = network_address(EXTRACT_U_1(message + 2), message + 4,
+ ae = EXTRACT_U_1(message + 2);
+ rc = network_address(ae, message + 4,
len - 2, nh);
if(rc < 0) goto invalid;
- ND_PRINT(" %s", format_address(ndo, nh));
+ ND_PRINT(" %s", ae == 0 ? "invalid AE 0" : format_address(ndo, nh));
}
}
break;
(EXTRACT_U_1(message + 3) & 0x3f) ? "/unknown" : "");
} else {
u_short interval, seqno, metric;
- u_char plen;
+ u_char ae, plen;
int rc;
u_char prefix[16];
ND_PRINT("\n\tUpdate");
if(len < 10) goto invalid;
+ ae = EXTRACT_U_1(message + 2);
plen = EXTRACT_U_1(message + 4) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
- rc = network_prefix(EXTRACT_U_1(message + 2),
+ rc = network_prefix(ae,
EXTRACT_U_1(message + 4),
EXTRACT_U_1(message + 5),
message + 12,
(EXTRACT_U_1(message + 3) & 0x80) ? "/prefix": "",
(EXTRACT_U_1(message + 3) & 0x40) ? "/id" : "",
(EXTRACT_U_1(message + 3) & 0x3f) ? "/unknown" : "",
- format_prefix(ndo, prefix, plen),
+ ae == 0 ? "any" : format_prefix(ndo, prefix, plen),
metric, seqno, format_interval_update(interval));
if(EXTRACT_U_1(message + 3) & 0x80) {
if(EXTRACT_U_1(message + 2) == 1)
}
break;
- case MESSAGE_REQUEST: {
+ case MESSAGE_ROUTE_REQUEST: {
if (!ndo->ndo_vflag)
- ND_PRINT(" request");
+ ND_PRINT(" route-request");
else {
int rc;
- u_char prefix[16], plen;
- ND_PRINT("\n\tRequest ");
+ u_char prefix[16], ae, plen;
+ ND_PRINT("\n\tRoute Request ");
if(len < 2) goto invalid;
+ ae = EXTRACT_U_1(message + 2);
plen = EXTRACT_U_1(message + 3) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
- rc = network_prefix(EXTRACT_U_1(message + 2),
+ rc = network_prefix(ae,
EXTRACT_U_1(message + 3), 0,
message + 4, NULL, len - 2, prefix);
if(rc < 0) goto invalid;
ND_PRINT("for %s",
- EXTRACT_U_1(message + 2) == 0 ? "any" : format_prefix(ndo, prefix, plen));
+ ae == 0 ? "any" : format_prefix(ndo, prefix, plen));
}
}
break;
- case MESSAGE_MH_REQUEST : {
+ case MESSAGE_SEQNO_REQUEST : {
if (!ndo->ndo_vflag)
- ND_PRINT(" mh-request");
+ ND_PRINT(" seqno-request");
else {
int rc;
u_short seqno;
- u_char prefix[16], plen;
- ND_PRINT("\n\tMH-Request ");
+ u_char prefix[16], ae, plen;
+ ND_PRINT("\n\tSeqno Request ");
if(len < 14) goto invalid;
+ ae = EXTRACT_U_1(message + 2);
seqno = EXTRACT_BE_U_2(message + 4);
- rc = network_prefix(EXTRACT_U_1(message + 2),
+ rc = network_prefix(ae,
EXTRACT_U_1(message + 3), 0,
message + 16, NULL, len - 14, prefix);
if(rc < 0) goto invalid;
plen = EXTRACT_U_1(message + 3) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
ND_PRINT("(%u hops) for %s seqno %u id %s",
- EXTRACT_U_1(message + 6), format_prefix(ndo, prefix, plen),
+ EXTRACT_U_1(message + 6),
+ ae == 0 ? "invalid AE 0" : format_prefix(ndo, prefix, plen),
seqno, format_id(message + 8));
}
}
return;
trunc:
- ND_PRINT(" %s", tstr);
+ nd_print_trunc(ndo);
return;
invalid: