尝试用php执行超时python脚本(cmsmap)检索内容失败

2024-09-30 00:41:20 发布

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我尝试在centos上用php运行cmsmap,并使用timeout linux命令-检索输出失败

你好

我试着每天在我的网站上运行cmsmap。这是执行一个php脚本和结果是自动发送给我的邮件。问题是,我想在每页80秒后取消作业,所以我尝试使用两种不同的方法: -timeout命令:timeout 80 python3 cmsmap.py -我在这里找到了一个php进程终止脚本:https://blog.dubbelboer.com/2012/08/24/execute-with-timeout.html

我用sqlmap做了同样的事情,它工作得非常好。 奇怪的是:在运行cmsmap.py时,如果使用超时版本,会产生以下输出(即使所有输出都应该重定向到php脚本):

[i]找到(#1):/home/merlin/exploitdb/files#u shellcodes.csv

[i]要删除此邮件,请编辑“/home/merlin/exploitdb/.searchsploit\u rc”中的“files\u shellcodes.csv”(包\数组:exploitdb)

(还有更多此类警报)

是不是这就是问题所在,这就是为什么我没有收到来自cmsmap.py的任何输出

谢谢你的帮助

梅林


<?php
    function exec_timeout($cmd, $timeout) {
        /*------------------------------------------------------------------- USING TIMEOUT ----------------------------------------------------------------*/

      /*$cmd = "timeout ".$timeout." ".$cmd;

        var_dump($cmd);

        exec($cmd, $output, $return_var);

        return implode("\n", $output);*/

        /*------------------------------------------------------------------- https://blog.dubbelboer.com/2012/08/24/execute-with-timeout.html ----------------------------------------------------------------*/

      // File descriptors passed to the process.
      $descriptors = array(
        0 => array('pipe', 'r'),  // stdin
        1 => array('pipe', 'w'),  // stdout
        2 => array('pipe', 'w')   // stderr
      );

      // Start the process.
      $process = proc_open('exec ' . $cmd, $descriptors, $pipes);

      if (!is_resource($process)) {
        throw new \Exception('Could not execute process');
      }

      // Set the stdout stream to non-blocking.
      stream_set_blocking($pipes[1], 0);

      // Set the stderr stream to non-blocking.
      stream_set_blocking($pipes[2], 0);

      // Turn the timeout into microseconds.
      $timeout = $timeout * 1000000;

      // Output buffer.
      $buffer = '';

      // While we have time to wait.
      while ($timeout > 0) {
        $start = microtime(true);

        // Wait until we have output or the timer expired.
        $read  = array($pipes[1]);
        $other = array();
        stream_select($read, $other, $other, 0, $timeout);

        // Get the status of the process.
        // Do this before we read from the stream,
        // this way we can't lose the last bit of output if the process dies between these functions.
        $status = proc_get_status($process);

        // Read the contents from the buffer.
        // This function will always return immediately as the stream is non-blocking.
        $buffer .= stream_get_contents($pipes[1]);

        if (!$status['running']) {
          // Break from this loop if the process exited before the timeout.
          break;
        }

        // Subtract the number of microseconds that we waited.
        $timeout -= (microtime(true) - $start) * 1000000;
      }

      // Check if there were any errors.
      // No Errors!!!
      /*$errors = stream_get_contents($pipes[2]);

      if (!empty($errors)) {
        throw new \Exception($errors);
      }*/

      // Kill the process in case the timeout expired and it's still running.
      // If the process already exited this won't do anything.
      proc_terminate($process, 9);

      // Close all streams.
      fclose($pipes[0]);
      fclose($pipes[1]);
      fclose($pipes[2]);

      proc_close($process);
      return $buffer;
    }
?>

[i]找到(#1):/home/merlin/exploitdb/files#u shellcodes.csv [i] 要删除此邮件,请编辑“/home/merlin/exploitdb/.searchsploit\u rc”以获取“files\u shellcodes.csv”(包\数组:exploitdb)


Tags: thecmdhomestreamifbuffertimeoutblocking

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