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Date: Fri, 30 Jan 2015 19:09:30 +0000
Message-ID: <CAPwsocFAUfQUSh2O+_TH9tMBXtuOb3ujo0psE5EoYZTjsLyJJg@mail.gmail.com>
To: Patrick Schaaf <php@bof.de>
Cc: Robert Williams <rewilliams@thesba.com>, internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] How does the PHP Ghost one-liner work?
From: leight@gmail.com (Leigh)

On 30 January 2015 at 19:05, Patrick Schaaf <php@bof.de> wrote:
> Am 30.01.2015 19:43 schrieb "Robert Williams" <rewilliams@thesba.com>:
>>
>> % php -r '$e=3D"0";for($i=3D0;$i<2500;$i++){$e=3D"0$e";} gethostbyname($=
e);=E2=80=99
>
> What a funny way to say gethostbyname(str_repeat("0", 2501));
>
>> does this indicate any problems with PHP?
>
> No.
>
> best regards
>   Patrick

Well, I guess in theory we should be limiting the size of input to
gethostbyname to 255 characters.

http://tools.ietf.org/html/rfc1035#section-2.3.4