int create_socket(char *device)
{
/* create socket */
int sock_fd, device_id;
sock_fd = socket(PF_PACKET, SOCK_DGRAM, 0); //2008.06.27 Yau change to UDP Socket
if(sock_fd < 0)
perror("create socket ERR:");
device_id = iface_get_id(sock_fd, device);
if (device_id == -1)
printf("iface_get_id REEOR\n");
if ( iface_bind(sock_fd, device_id) < 0)
printf("iface_bind ERROR\n");
return sock_fd;
}
static int open_packet_engine (void) {
int sock_type;
sock_type = (device == NULL) ? SOCK_DGRAM : SOCK_RAW;
do {
if ((sockfd = socket (PF_PACKET, sock_type,
htons (ETH_P_IP))) < 0) {
// htons (ETH_P_ALL))) < 0) {
ebuf = strerror (errno);
break;
}
if (device != NULL) {
if ((device_id = iface_get_id (sockfd, device)) < 0)
break;
if (iface_bind (sockfd, device_id) < 0) break;
} else {
}
} while (sockfd < 0);
if (sockfd < 0) return 0;
// -------
go_promiscuous (pflag);
if (device != NULL) {
fprintf (stderr, "listen on %s (pf_packet)\n", device);
} else {
fprintf (stderr, "listen on all interfaces (pf_packet)\n");
}
return 1;
}
