bool
ipv4_multicast_leave( struct in_addr addr ) {
assert( vxlan != NULL );
if ( !IN_MULTICAST( ntohl( addr.s_addr ) ) ) {
return false;
}
update_interface_state();
if ( !vxlan->active ) {
return false;
}
return set_ipv4_multicast_leave( vxlan->udp_sock, addr, vxlan->ifname );
}
DWORD WINAPI eap_thread()
{
extern pcap_t *handle;
extern char devname[];
init_device();
init_frames ();
send_eap_packet (EAPOL_START);
pcap_loop (handle, -1, get_packet, NULL); /* main loop */
pcap_close (handle);
memset (devname, 0, MAX_DEV_NAME_LEN);
update_interface_state(NULL);
return 0;
}
bool
init_net( struct vxlan *_vxlan ) {
assert( _vxlan != NULL );
vxlan = _vxlan;
vxlan->udp_sock = socket( AF_INET, SOCK_DGRAM, 0 );
if ( vxlan->udp_sock < 0 ) {
char buf[ 256 ];
char *error_string = safe_strerror_r( errno, buf, sizeof( buf ) );
error( "Failed to create a socket for IPv4 ( ret = %d, errno = %s [%d] ).",
vxlan->udp_sock, error_string, errno );
goto error;
}
bool ret = bind_ipv4_inaddrany( vxlan->udp_sock, vxlan->port );
if ( !ret ) {
goto error;
}
ret = set_ipv4_multicast_loop( vxlan->udp_sock, 0 );
if ( !ret ) {
goto error;
}
ret = set_ipv4_multicast_ttl( vxlan->udp_sock, VXLAN_MCAST_TTL );
if ( !ret ) {
goto error;
}
ret = update_interface_state();
if ( !ret ) {
goto error;
}
ret = init_multicast_group_table();
if ( !ret ) {
goto error;
}
return true;
error:
if ( vxlan->udp_sock >= 0 ) {
close( vxlan->udp_sock );
}
return false;
}
void thread_error_exit(const char *errmsg)
{
MessageBox (hwndDlg, errmsg, NULL, MB_OK);
update_interface_state (NULL);
ExitThread(0);
}
