void quit (void)
{
LOG("%s", __FUNCTION__);
console_fini();
ttf_fini();
sdl_fini();
config_fini();
}
int main(int argc, char **argv) {
int c = 0;
int console = 0;
int port = 0, uport = 0, ka_time = 0, persistent = 0;
char *addrstr = NULL, *viface = NULL, *dev = NULL;
while((c = getopt(argc, argv, "u:p:a:n:k:i:bcvP"))!= -1) {
switch (c) {
case 'u':
uport = atoi(optarg);
break;
case 'p':
port = atoi(optarg);
break;
case 'v':
verbose = 1;
break;
case 'c':
console = 1;
break;
case 'a':
addrstr = optarg;
break;
case 'i':
dev = optarg;
break;
case 'n':
viface = optarg;
break;
case 'k':
ka_time = atoi(optarg);
break;
case 'b':
background = 1;
break;
case 'P':
persistent = 1;
break;
default:
usage();
exit(-1);
}
}
if (!(port) || !(addrstr)) {
printf("Error: both -a <address> and -p <port> must be specified\n");
usage();
}
if (!uport)
uport = DEFAULT_UDP_PORT;
if (!ka_time)
ka_time = DEFAULT_KEEPALIVE_TIMEOUT;
if (!viface)
viface = DEFAULT_VIFACE_NAME;
if ((!console) && (!dev)) {
printf("Error: either -c or -i <dev> must be specified. If console mode is not used,"
"the name of the outgoing tunnel interface must be specified\n");
usage();
}
/*Initialization*/
if (background) {
if (log_init() < 0) {
printf("error: log_init failed\n");
exit(-1);
}
}
memset(&c_data, 0, sizeof(struct client_data));
/*TCP server addr*/
c_data.tcp_server.sin_family = AF_INET;
c_data.tcp_server.sin_port = htons(port);
if (inet_pton(AF_INET, addrstr, &c_data.tcp_server.sin_addr)<0) {
printf("bad server ip address");
exit(-1);
}
/*UDP server addr*/
c_data.udp_server.sin_family = AF_INET;
c_data.udp_server.sin_port = htons(uport);
inet_pton(AF_INET, addrstr, &c_data.udp_server.sin_addr);
if (client_init() < 0) {
print_log("client_init() error", LOG_LEVEL_IMPORTANT);
goto quit;
}
if (ipudp_conf_init() < 0) {
print_log("ipudp_conf_init() error", LOG_LEVEL_IMPORTANT);
goto quit;
}
if (sock_init_connect() < 0)
goto quit;
if ((ssl_init() < 0))
goto quit;
if (console) {
if (console_ini() < 0) {
console = 0;
goto quit;
}
}
/**/
signal(SIGINT, sighand);
signal(SIGTERM, sighand);
signal(SIGKILL, sighand);
if (console)
do_select(0, ka_time);
else {
if (client_association(dev, viface) < 0)
goto quit;
if (background) {
if (daemonize() < 0) {
printf("Error: couldn't demonize. Exit\n");
goto quit;
}
}
client_keepalive_cycle(persistent, ka_time);
}
quit:
client_fini();
if (console)
console_fini();
return 0;
}
