ssl: Validate hostnames

Closes #524
server_stopconnecting (server * serv)
{
	if (serv->iotag)
	{
		fe_input_remove (serv->iotag);
		serv->iotag = 0;
	}

	if (serv->joindelay_tag)
	{
		fe_timeout_remove (serv->joindelay_tag);
		serv->joindelay_tag = 0;
	}

#ifndef WIN32
	/* kill the child process trying to connect */
	kill (serv->childpid, SIGKILL);
	waitpid (serv->childpid, NULL, 0);

	close (serv->childwrite);
	close (serv->childread);
#else
	PostThreadMessage (serv->childpid, WM_QUIT, 0, 0);

	{
		/* if we close the pipe now, giowin32 will crash. */
		int *pipefd = malloc (sizeof (int) * 2);
		pipefd[0] = serv->childwrite;
		pipefd[1] = serv->childread;
		g_idle_add ((GSourceFunc)server_close_pipe, pipefd);
	}
#endif

#ifdef USE_OPENSSL
	if (serv->ssl_do_connect_tag)
	{
		fe_timeout_remove (serv->ssl_do_connect_tag);
		serv->ssl_do_connect_tag = 0;
	}
#endif

	fe_progressbar_end (serv);

	serv->connecting = FALSE;
	fe_server_event (serv, FE_SE_DISCONNECT, 0);
}

server_stopconnecting (server * serv)
{
	if (serv->iotag)
	{
		fe_input_remove (serv->iotag);
		serv->iotag = 0;
	}

	if (serv->joindelay_tag)
	{
		fe_timeout_remove (serv->joindelay_tag);
		serv->joindelay_tag = 0;
	}

#ifndef WIN32
	/* kill the child process trying to connect */
	kill (serv->childpid, SIGKILL);
	waitpid (serv->childpid, NULL, 0);

	close (serv->childwrite);
	close (serv->childread);
#else
	PostThreadMessage (serv->childpid, WM_QUIT, 0, 0);

	{
		/* if we close the pipe now, giowin32 will crash. */
		int *pipefd = malloc (sizeof (int) * 2);
		pipefd[0] = serv->childwrite;
		pipefd[1] = serv->childread;
		g_idle_add ((GSourceFunc)server_close_pipe, pipefd);
	}
#endif

#ifdef USE_OPENSSL
	if (serv->ssl_do_connect_tag)
	{
		fe_timeout_remove (serv->ssl_do_connect_tag);
		serv->ssl_do_connect_tag = 0;
	}
#endif

	fe_progressbar_end (serv);

	serv->connecting = FALSE;
	fe_server_event (serv, FE_SE_DISCONNECT, 0);
}
