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.ab.file, how to make it access only the ab directory_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:51:43748browse
'./a/b/'.$file, how to make it only access the a/b directory
'./a/b/'.$file
If $file = '../1.php'
You can access /a/1.php
$file is entered by the user and is only allowed to access files under './a/b/'. What to do
Let me answer
D8888D reply content------------------------------------------------- ----------
Take the first two characters and see if they are ".."
If so, block
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