static int
uread(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
{
return (proc_ops(UIO_READ, p, kaddr, uaddr, len));
}
static int
uwrite(proc_t *p, void *kaddr, size_t len, uintptr_t uaddr)
{
return (proc_ops(UIO_WRITE, p, kaddr, uaddr, len));
}
/*
Main code and general functions
*/
int main(int argc, char *argv[])
{
char *dev = NULL;
char errbuf[PCAP_ERRBUF_SIZE] = {0};
bpf_u_int32 mask;
bpf_u_int32 net;
if (argc > 1) {
proc_ops(argc, argv);
dev = argv[optind];
if(!dev) {
printf("No network interface name given\n\n");
show_help();
}
if(!op.port) {
strcpy(filter_exp + 5, "3306");
op.port_n = 3306;
}
}
else
show_help();
if(pcap_lookupnet(dev, &net, &mask, errbuf) == -1) {
printf("Couldn't get netmask for device %s: %s\n", dev, errbuf);
net = mask = 0;
}
handle = pcap_open_live(dev, SNAP_LEN, 1, 1000, errbuf);
if(handle == NULL) {
printf("Couldn't open device %s: %s\n", dev, errbuf);
exit(-1);
}
if (strlen(errbuf) > 0) {
printf("Warning from pcap_open_live: %s\n", errbuf);
}
if(pcap_compile(handle, &fp, filter_exp, 0, net) == -1) {
printf("Couldn't parse filter %s: %s\n", filter_exp, pcap_geterr(handle));
exit(-1);
}
if (pcap_setfilter(handle, &fp) == -1) {
printf("Couldn't install filter %s: %s\n", filter_exp, pcap_geterr(handle));
exit(-1);
}
printf("mysqlsniffer listening for MySQL on interface %s %s\n", dev, filter_exp);
signal(SIGINT, handle_ctrl_c);
signal(SIGHUP, handle_sighup);
init_tags();
init_state_map();
pcap_loop(handle, -1, proc_packet, NULL);
printf("ERROR: pcap_loop returned from an infinite loop\n");
cleanup();
print_stats();
exit(-1);
}