Beispiel #1
0
void add_to_secrets_list(secrets_list_t *sl, const char* elem)
{
	if(sl && elem) {
	  sl->secrets = (char**)turn_realloc(sl->secrets,0,(sizeof(char*)*(sl->sz+1)));
	  sl->secrets[sl->sz] = turn_strdup(elem);
	  sl->sz += 1;
	}
}
Beispiel #2
0
void tcp_data_connect(app_ur_session *elem, u32bits cid)
{
	int clnet_fd;
	int connect_cycle = 0;

	again:

	clnet_fd = socket(elem->pinfo.remote_addr.ss.sa_family, CLIENT_STREAM_SOCKET_TYPE, CLIENT_STREAM_SOCKET_PROTOCOL);
	if (clnet_fd < 0) {
		perror("socket");
		exit(-1);
	}

	if (sock_bind_to_device(clnet_fd, client_ifname) < 0) {
		TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
						"Cannot bind client socket to device %s\n", client_ifname);
	}
	set_sock_buf_size(clnet_fd, (UR_CLIENT_SOCK_BUF_SIZE<<2));

	++elem->pinfo.tcp_conn_number;
	int i = (int)(elem->pinfo.tcp_conn_number-1);
	elem->pinfo.tcp_conn=(app_tcp_conn_info**)turn_realloc(elem->pinfo.tcp_conn,0,elem->pinfo.tcp_conn_number*sizeof(app_tcp_conn_info*));
	elem->pinfo.tcp_conn[i]=(app_tcp_conn_info*)turn_malloc(sizeof(app_tcp_conn_info));
	ns_bzero(elem->pinfo.tcp_conn[i],sizeof(app_tcp_conn_info));

	elem->pinfo.tcp_conn[i]->tcp_data_fd = clnet_fd;
	elem->pinfo.tcp_conn[i]->cid = cid;

	addr_cpy(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),&(elem->pinfo.local_addr));

	addr_set_port(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),0);

	addr_bind(clnet_fd, &(elem->pinfo.tcp_conn[i]->tcp_data_local_addr), 1, 1, TCP_SOCKET);

	addr_get_from_sock(clnet_fd,&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr));

	{
	  int cycle = 0;
	  while(cycle++<1024) {
	    int err = 0;
	    if (addr_connect(clnet_fd, &(elem->pinfo.remote_addr),&err) < 0) {
	      if(err == EADDRINUSE) {
	    	  socket_closesocket(clnet_fd);
	    	  clnet_fd = socket(elem->pinfo.remote_addr.ss.sa_family, CLIENT_STREAM_SOCKET_TYPE, CLIENT_STREAM_SOCKET_PROTOCOL);
	    	  if (clnet_fd < 0) {
	    		  perror("socket");
	    		  exit(-1);
	    	  }
	    	  if (sock_bind_to_device(clnet_fd, client_ifname) < 0) {
	    		  TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
	    				  "Cannot bind client socket to device %s\n", client_ifname);
	    	  }
	    	  set_sock_buf_size(clnet_fd, UR_CLIENT_SOCK_BUF_SIZE<<2);

	    	  elem->pinfo.tcp_conn[i]->tcp_data_fd = clnet_fd;

	    	  addr_cpy(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),&(elem->pinfo.local_addr));

	    	  addr_set_port(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),0);

	    	  addr_bind(clnet_fd, &(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),1,1,TCP_SOCKET);

	    	  addr_get_from_sock(clnet_fd,&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr));

	    	  continue;

	      } else {
	    	  perror("connect");
	    	  TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
			      "%s: cannot connect to remote addr\n", __FUNCTION__);
	    	  exit(-1);
	      }
	    } else {
	      break;
	    }
	  }
	}

	if(use_secure) {
		int try_again = 0;
		elem->pinfo.tcp_conn[i]->tcp_data_ssl = tls_connect(elem->pinfo.tcp_conn[i]->tcp_data_fd, &(elem->pinfo.remote_addr),&try_again, connect_cycle++);
		if(!(elem->pinfo.tcp_conn[i]->tcp_data_ssl)) {
			if(try_again) {
				--elem->pinfo.tcp_conn_number;
				goto again;
			}
			TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
					"%s: cannot SSL connect to remote addr\n", __FUNCTION__);
			exit(-1);
		}
	}

	if(turn_tcp_connection_bind(clnet_verbose, &(elem->pinfo), elem->pinfo.tcp_conn[i],0)<0) {
		TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
				"%s: cannot BIND to tcp connection\n", __FUNCTION__);
	} else {

		socket_set_nonblocking(clnet_fd);

		struct event* ev = event_new(client_event_base,clnet_fd,
					EV_READ|EV_PERSIST,client_input_handler,
					elem);

		event_add(ev,NULL);

		elem->input_tcp_data_ev = ev;

		addr_debug_print(clnet_verbose, &(elem->pinfo.remote_addr), "TCP data network connected to");
	}
}