Posted by Janwillem Borleffs on 02/10/07 22:38

deko wrote:
> geturl.php
>
> Too much code to paste here, but have a look at
> http://www.liarsscourge.com/
> So far, I have not found a string that can break this...
>
> Any built-in functions or suggestions for improvement?
>

1. Increase the error_reporting level and you will find some sloppy notices
2. Have a look at parse_url(), which might be useful
3. Use preg_* functions instead of POSIX ereg* function (performance)
4. Strings like the following cause infinite loops:

getURL('fofo http://discovery.co.uk/../foo');

Probable fix:

= Replace:

if (!eregi("^(com|net|org...)$", $urlString_a[$i])) {
...
}

= With:

if (preg_match("!^(com|net|org...)[^$]!", $urlString_a[$i], $m)) {
$urlString_a[$i] = $m[1];
}


JW

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