* SUCH DAMAGE.
*/
-#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include "ip6.h"
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
-#include "extract.h" /* must come after interface.h */
+#include "extract.h"
/* Mobility header */
struct ip6_mobility {
#define IP6M_BINDING_ERROR 7 /* Binding Error */
#define IP6M_MAX 7
+static const struct tok ip6m_str[] = {
+ { IP6M_BINDING_REQUEST, "BRR" },
+ { IP6M_HOME_TEST_INIT, "HoTI" },
+ { IP6M_CAREOF_TEST_INIT, "CoTI" },
+ { IP6M_HOME_TEST, "HoT" },
+ { IP6M_CAREOF_TEST, "CoT" },
+ { IP6M_BINDING_UPDATE, "BU" },
+ { IP6M_BINDING_ACK, "BA" },
+ { IP6M_BINDING_ERROR, "BE" },
+ { 0, NULL }
+};
+
static const unsigned ip6m_hdrlen[IP6M_MAX + 1] = {
IP6M_MINLEN, /* IP6M_BINDING_REQUEST */
IP6M_MINLEN + 8, /* IP6M_HOME_TEST_INIT */
IP6M_MINLEN + 16, /* IP6M_BINDING_ERROR */
};
-/* XXX: unused */
-#define IP6MOPT_BU_MINLEN 10
-#define IP6MOPT_BA_MINLEN 13
-#define IP6MOPT_BR_MINLEN 2
-
/* Mobility Header Options */
#define IP6MOPT_MINLEN 2
#define IP6MOPT_PAD1 0x0 /* Pad1 */
unsigned mhlen, hlen;
uint8_t type;
- mh = (struct ip6_mobility *)bp;
+ mh = (const struct ip6_mobility *)bp;
/* 'ep' points to the end of available data. */
ep = ndo->ndo_snapend;
ND_PRINT((ndo, "(header length %u is too small for type %u)", mhlen, type));
goto trunc;
}
+ ND_PRINT((ndo, "mobility: %s", tok2str(ip6m_str, "type-#%u", type)));
switch (type) {
case IP6M_BINDING_REQUEST:
- ND_PRINT((ndo, "mobility: BRR"));
hlen = IP6M_MINLEN;
break;
case IP6M_HOME_TEST_INIT:
case IP6M_CAREOF_TEST_INIT:
- ND_PRINT((ndo, "mobility: %soTI",
- type == IP6M_HOME_TEST_INIT ? "H" : "C"));
hlen = IP6M_MINLEN;
if (ndo->ndo_vflag) {
ND_TCHECK2(*mh, hlen + 8);
break;
case IP6M_HOME_TEST:
case IP6M_CAREOF_TEST:
- ND_PRINT((ndo, "mobility: %soT",
- type == IP6M_HOME_TEST ? "H" : "C"));
ND_TCHECK(mh->ip6m_data16[0]);
ND_PRINT((ndo, " nonce id=0x%x", EXTRACT_16BITS(&mh->ip6m_data16[0])));
hlen = IP6M_MINLEN;
hlen += 8;
break;
case IP6M_BINDING_UPDATE:
- ND_PRINT((ndo, "mobility: BU"));
ND_TCHECK(mh->ip6m_data16[0]);
ND_PRINT((ndo, " seq#=%u", EXTRACT_16BITS(&mh->ip6m_data16[0])));
hlen = IP6M_MINLEN;
hlen += 2;
break;
case IP6M_BINDING_ACK:
- ND_PRINT((ndo, "mobility: BA"));
ND_TCHECK(mh->ip6m_data8[0]);
ND_PRINT((ndo, " status=%u", mh->ip6m_data8[0]));
if (mh->ip6m_data8[1] & 0x80)
hlen += 2;
break;
case IP6M_BINDING_ERROR:
- ND_PRINT((ndo, "mobility: BE"));
ND_TCHECK(mh->ip6m_data8[0]);
ND_PRINT((ndo, " status=%u", mh->ip6m_data8[0]));
/* Reserved */
hlen += 16;
break;
default:
- ND_PRINT((ndo, "mobility: type-#%u len=%u", type, mh->ip6m_len));
+ ND_PRINT((ndo, " len=%u", mh->ip6m_len));
return(mhlen);
break;
}