/* Initialize the (Win)Pcap module for use. */
int
network_pcap_init(netdev_t *list)
{
char errbuf[PCAP_ERRBUF_SIZE];
pcap_if_t *devlist, *dev;
int i = 0;
/* Local variables. */
pcap = NULL;
/* Try loading the DLL. */
pcap_handle = dynld_module("wpcap.dll", pcap_imports);
if (pcap_handle == NULL) return(-1);
/* Retrieve the device list from the local machine */
if (f_pcap_findalldevs(&devlist, errbuf) == -1) {
pclog("PCAP: error in pcap_findalldevs: %s\n", errbuf);
return(-1);
}
for (dev=devlist; dev!=NULL; dev=dev->next) {
strcpy(list->device, dev->name);
if (dev->description)
strcpy(list->description, dev->description);
else
memset(list->description, '\0', sizeof(list->description));
list++; i++;
}
/* Release the memory. */
f_pcap_freealldevs(devlist);
return(i);
}
/* Retrieve an easy-to-use list of devices. */
static int
get_devlist(capdev_t *list)
{
char errbuf[PCAP_ERRBUF_SIZE];
pcap_if_t *devlist, *dev;
int i = 0;
/* Retrieve the device list from the local machine */
if (f_pcap_findalldevs(&devlist, errbuf) == -1) {
fprintf(stderr,"Error in pcap_findalldevs_ex: %s\n", errbuf);
return(-1);
}
for (dev=devlist; dev!=NULL; dev=dev->next) {
strcpy(list->device, dev->name);
if (dev->description)
strcpy(list->description, dev->description);
else
memset(list->description, '\0', sizeof(list->description));
list++;
i++;
}
/* Release the memory. */
f_pcap_freealldevs(devlist);
return(i);
}