/**
* Init the network monitoring
* @param device Device
* @param dump PCAP file
* @param pcap PCAP filter
*/
void net_init(char *device, char *dump, char *pcap)
{
static struct nids_chksum_ctl ctl;
nids_params.n_tcp_streams = 4096; /* Streams to track for re-assembly */
nids_params.n_hosts = 1024; /* Hosts to track for defrag */
nids_params.scan_num_hosts = 0; /* Disable portscan detection */
nids_params.device = device;
nids_params.filename = dump;
nids_params.pcap_filter = pcap;
if (!nids_init())
fatal("Initialization of libnids failed");
/* Register callbacks */
nids_register_udp((void *) net_udp);
nids_register_tcp((void *) net_tcp);
/* Disable checksum control */
ctl.netaddr = 0;
ctl.mask = 0;
ctl.action = NIDS_DONT_CHKSUM;
nids_register_chksum_ctl(&ctl, 1);
}
void sessions_nids_init(pcap_t *p)
{
nids_params.pcap_desc = p;
nids_params.tcp_workarounds = 1;
if (!nids_init()) {
fprintf(stderr, "nids_init: %s\n", nids_errbuf);
exit(-1);
}
nids_register_ip(ip_callback);
nids_register_udp(udp_callback);
nids_register_tcp(tcp_callback);
}
