static void ethernet_less(struct pkt_buff *pkt)
{
uint8_t *src_mac, *dst_mac;
struct ethhdr *eth = (struct ethhdr *) pkt_pull(pkt, sizeof(*eth));
if (eth == NULL)
return;
src_mac = eth->h_source;
dst_mac = eth->h_dest;
tprintf(" %s => %s ",
lookup_vendor((src_mac[0] << 16) | (src_mac[1] << 8) |
src_mac[2]),
lookup_vendor((dst_mac[0] << 16) | (dst_mac[1] << 8) |
dst_mac[2]));
tprintf("%s%s%s", colorize_start(bold),
lookup_ether_type(ntohs(eth->h_proto)), colorize_end());
pkt_set_proto(pkt, ð_lay2, ntohs(eth->h_proto));
}
static void ethernet(struct pkt_buff *pkt)
{
char *type;
uint8_t *src_mac, *dst_mac;
struct ethhdr *eth = (struct ethhdr *) pkt_pull(pkt, sizeof(*eth));
if (eth == NULL)
return;
src_mac = eth->h_source;
dst_mac = eth->h_dest;
tprintf(" [ Eth ");
tprintf("MAC (%.2x:%.2x:%.2x:%.2x:%.2x:%.2x => ",
src_mac[0], src_mac[1], src_mac[2],
src_mac[3], src_mac[4], src_mac[5]);
tprintf("%.2x:%.2x:%.2x:%.2x:%.2x:%.2x), ",
dst_mac[0], dst_mac[1], dst_mac[2],
dst_mac[3], dst_mac[4], dst_mac[5]);
tprintf("Proto (0x%.4x", ntohs(eth->h_proto));
type = lookup_ether_type(ntohs(eth->h_proto));
if (type)
tprintf(", %s%s%s", colorize_start(bold), type, colorize_end());
tprintf(") ]\n");
tprintf(" [ Vendor ");
tprintf("(%s => %s)",
lookup_vendor((src_mac[0] << 16) | (src_mac[1] << 8) |
src_mac[2]),
lookup_vendor((dst_mac[0] << 16) | (dst_mac[1] << 8) |
dst_mac[2]));
tprintf(" ]\n");
pkt_set_proto(pkt, ð_lay2, ntohs(eth->h_proto));
}
static void arp(struct pkt_buff *pkt)
{
char *hrd;
char *pro;
char *opcode;
struct arphdr *arp = (struct arphdr *) pkt_pull(pkt, sizeof(*arp));
if (arp == NULL)
return;
switch (ntohs(arp->ar_hrd)) {
case ARPHRD_ETHER:
hrd = "Ethernet";
break;
case ARPHRD_IEEE802:
hrd = "IEEE 802";
break;
case ARPHRD_ARCNET:
hrd = "ARCNET";
break;
case ARPHRD_ATM:
case ARPHRD_ATM2:
case ARPHRD_ATM3:
hrd = "ATM";
break;
case ARPHRD_SERIAL:
hrd = "Serial Line";
break;
case ARPHRD_IEEE1394:
hrd = "IEEE 1394.1995";
break;
default:
hrd = "Unknown";
break;
}
pro = lookup_ether_type(ntohs(arp->ar_pro));
if (pro == NULL)
pro = "Unknown";
switch (ntohs(arp->ar_op)) {
case ARPOP_REQUEST:
opcode = "ARP request";
break;
case ARPOP_REPLY:
opcode = "ARP reply";
break;
case ARPOP_RREQUEST:
opcode = "RARP request";
break;
case ARPOP_RREPLY:
opcode = "RARP reply";
break;
case ARPOP_InREQUEST:
opcode = "InARP request";
break;
case ARPOP_InREPLY:
opcode = "InARP reply";
break;
case ARPOP_NAK:
opcode = "(ATM) ARP NAK";
break;
default:
opcode = "Unknown";
break;
};
tprintf(" [ ARP ");
tprintf("Format HA (%u => %s), ", ntohs(arp->ar_hrd), hrd);
tprintf("Format Proto (0x%.4x => %s), ", ntohs(arp->ar_pro), pro);
tprintf("HA Len (%u), ", arp->ar_hln);
tprintf("Proto Len (%u), ", arp->ar_pln);
tprintf("Opcode (%u => %s)", ntohs(arp->ar_op), opcode);
tprintf(" ]\n");
}
