static enum test_return test_issue_102(void) {
    char buffer[4096];
    memset(buffer, ' ', sizeof(buffer));
    buffer[sizeof(buffer) - 1] = '\0';

    close(sock);
    sock = connect_server("127.0.0.1", port, false);

    send_ascii_command(buffer);
    /* verify that the server closed the connection */
    assert(read(sock, buffer, sizeof(buffer)) == 0);
    close(sock);
    sock = connect_server("127.0.0.1", port, false);
    return TEST_PASS;
}
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.