【CISCN 2020初赛】writeup web部分web1:easyphp <?php //题目环境:php:7.4.8-apache $pid = pcntl_fork(); if ($pid == -1) { die('could not fork'); }else if ($pid){ $r=pcntl_wait($status); //父进程等待子进程退出才会执... Aug 25, 2020 CTF