if (data->param_hostname != NULL)
OPENSSL_free(data->param_hostname);
data->param_hostname=BUF_strdup(buf);
if (data->param_hostname != NULL)
OPENSSL_free(data->param_hostname);
data->param_hostname=BUF_strdup(buf);
if (data->param_port != NULL)
OPENSSL_free(data->param_port);
data->param_port=BUF_strdup(buf);
if (data->param_port != NULL)
OPENSSL_free(data->param_port);
data->param_port=BUF_strdup(buf);