Thanks Graham!

To save you the bother, I'm attaching said text file. This is the one  
with it aligned, so it breaks the download.

Cheers,

Simon

--

Simon J. Oliver
CISSP-ISSAP, ISSMP
Applied Information Technology Center
University of Memphis


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The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!

The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234
The quick brown fox jumped over the lazy dog!12345The quick brown fox jumped 
over the lazy dog!1234





On Aug 21, 2008, at 7:33 PM, Graham Dumpleton wrote:

>
> Thanks for the detailed information.
>
> I was offline yesterday, so just catching up on emails etc. With this
> I should be able to duplicate it with just wsgi.file_wrapper and not
> even require Trac. I'll get on to this one today.
>
> Thanks again.
>
> Graham
>
> 2008/8/22 illuminarti <[EMAIL PROTECTED]>:
>>
>> OK, I can reproduce this from scratch. If I have a pure text file, 8k
>> long (it just says 'The quick brown fox jumped over the lazy dog!'
>> over and over again.)
>> And roughly in the middle I put a single 0x00 character.
>>
>> If the null character is not exactly on the 4k boundary, I can
>> download it from Trac with no problems.
>>
>> If I take out a few characters to align the null as the first byte of
>> the second 4k of the file, the attempt to download the file stalls  
>> and
>> eventually times out after exactly 4k has been downloaded.
>>
>> In both cases it uploads just fine as an attachment to a ticket, and
>> can be displayed inline (since it's a text file, Trac is happy to
>> display it - the problem happens when I click on the 'Download in
>> original format' link).
>>
>> Wow. That's a doozy, isn't it? I have no idea why it happens, but at
>> least we know what triggers it. But since it's a real pain to try and
>> make sure the screenshots I'm uploading for the training materials  
>> I'm
>> writing don't have a zero byte every 4k characters, I really hope we
>> can find a solution :-)
>>
>>
>>
>> On Aug 21, 5:45 pm, illuminarti <[EMAIL PROTECTED]> wrote:
>>> Some more information - in every one of my three problematic files,
>>> the download cuts out on a 4kB boundary (44k in one case, 20k in the
>>> second, and 4k in the third). And in every case, the next character
>>> that should be transmitted is 0x00.
>>>
>>> Seems more than a coincidence... :-)
>>>
>>
>
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