void got_packet (u_char *args, const struct pcap_pkthdr *header, const u_char *packet) {
static int count = 1;
int etype=0, protocol=0;
int size_ip, size_tcp, size_total;
const struct sniff_ethernet * ethernet;
const struct sniff_ip * ip;
const struct sniff_tcp *tcp;
ethernet = (struct sniff_ethernet*)(packet);
ip = (struct sniff_ip*)(packet + 14);
size_ip = IP_HL(ip);
tcp = (struct sniff_tcp*)(packet + 14 + size_ip);
size_tcp = TH_OFF(tcp)*4;
size_total = ntohs(ip->ip_len) + 14;
printf("\ncount : %d\n", count);
count++;
printf("------------------------------\n");
etype = show_addr(packet);
if (etype == IPV4) {
protocol = show_ipv4_ip(packet);
if (protocol == TCP) {
show_port(packet);
if (size_total != (size_ip + size_tcp + 14)) {
printf("------------------------------\n");
show_data(args, header, packet, *(packet+size_total), size_total);
printf("------------------------------\n");
}
} else if (protocol == UDP) {
show_port(packet);
printf("------------------------------\n");
show_data(args, header, packet, 42, size_total);
printf("------------------------------\n");
}
printf("------------------------------\n");
} else if (etype == ARP) {
show_ark_ip(packet);
}
}
int main(int argc, char **argv)
{
int retval = 0;
struct switch_dev *dev;
struct switch_attr *a;
struct switch_val val;
int err;
int i;
int cmd = CMD_NONE;
char *cdev = NULL;
int cport = -1;
int cvlan = -1;
char *ckey = NULL;
char *cvalue = NULL;
if(argc < 4)
print_usage();
if(strcmp(argv[1], "dev"))
print_usage();
cdev = argv[2];
for(i = 3; i < argc; i++)
{
char *arg = argv[i];
if (cmd != CMD_NONE) {
print_usage();
} else if (!strcmp(arg, "port") && i+1 < argc) {
cport = atoi(argv[++i]);
} else if (!strcmp(arg, "vlan") && i+1 < argc) {
cvlan = atoi(argv[++i]);
} else if (!strcmp(arg, "help")) {
cmd = CMD_HELP;
} else if (!strcmp(arg, "set") && i+1 < argc) {
cmd = CMD_SET;
ckey = argv[++i];
if (i+1 < argc)
cvalue = argv[++i];
} else if (!strcmp(arg, "get") && i+1 < argc) {
cmd = CMD_GET;
ckey = argv[++i];
} else if (!strcmp(arg, "load") && i+1 < argc) {
if ((cport >= 0) || (cvlan >= 0))
print_usage();
cmd = CMD_LOAD;
ckey = argv[++i];
} else if (!strcmp(arg, "show")) {
cmd = CMD_SHOW;
} else {
print_usage();
}
}
if (cmd == CMD_NONE)
print_usage();
if (cport > -1 && cvlan > -1)
print_usage();
dev = swlib_connect(cdev);
if (!dev) {
fprintf(stderr, "Failed to connect to the switch\n");
return 1;
}
swlib_scan(dev);
if (cmd == CMD_GET || cmd == CMD_SET) {
if(cport > -1)
a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_PORT, ckey);
else if(cvlan > -1)
a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_VLAN, ckey);
else
a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, ckey);
if(!a)
{
fprintf(stderr, "Unknown attribute \"%s\"\n", ckey);
goto out;
}
}
switch(cmd)
{
case CMD_SET:
if ((a->type != SWITCH_TYPE_NOVAL) &&
(cvalue == NULL))
print_usage();
if(cvlan > -1)
cport = cvlan;
if(swlib_set_attr_string(dev, a, cport, cvalue) < 0)
{
fprintf(stderr, "failed\n");
retval = -1;
goto out;
}
break;
case CMD_GET:
if(cvlan > -1)
val.port_vlan = cvlan;
if(cport > -1)
val.port_vlan = cport;
if(swlib_get_attr(dev, a, &val) < 0)
{
fprintf(stderr, "failed\n");
retval = -1;
goto out;
}
print_attr_val(a, &val);
putchar('\n');
break;
case CMD_LOAD:
swconfig_load_uci(dev, ckey);
break;
case CMD_HELP:
list_attributes(dev);
break;
case CMD_SHOW:
if (cport >= 0 || cvlan >= 0) {
if (cport >= 0)
show_port(dev, cport);
else
show_vlan(dev, cvlan, false);
} else {
show_global(dev);
for (i=0; i < dev->ports; i++)
show_port(dev, i);
for (i=0; i < dev->vlans; i++)
show_vlan(dev, i, true);
}
break;
}
out:
swlib_free_all(dev);
return 0;
}