Re: [squid-users] NONE/411 Length Required

Yeah, saw that --- but I observed the same behaviour in 2, and can't
figure out why (from a quick look, at least).

Cheers,

On 18/06/2009, at 2:19 PM, Amos Jeffries wrote:

> On Thu, 18 Jun 2009 10:20:09 +1000, Mark Nottingham <mnot_at_yahoo-inc.com
> >
> wrote:
>> Weird. The code that I'm assuming generates the 411 is (squid2-HEAD):
>
> Reporter is using 3.0. The header parse and validation code is
> similar only
> regarding flow and design.
> Particular lines and if-else are very different in spots between
> each of
> the 3 current release of Squid.
>
>
>>
>> if (!clientCheckContentLength(request) || httpHeaderHas(&request-
>>> header, HDR_TRANSFER_ENCODING)) {
>> err = errorCon(ERR_INVALID_REQ, HTTP_LENGTH_REQUIRED, request);
>> http->al.http.code = err->http_status;
>> http->log_type = LOG_TCP_DENIED;
>> http->entry = clientCreateStoreEntry(http, request->method,
>> null_request_flags);
>> errorAppendEntry(http->entry, err);
>> return -1;
>> }
>>
>> but clientCheckContentLength doesn't look like it's triggering it:
>>
>> static int
>> clientCheckContentLength(request_t * r)
>> {
>> switch (r->method->code) {
>> case METHOD_GET:
>> case METHOD_HEAD:
>> /* We do not want to see a request entity on GET/HEAD requests */
>> return (r->content_length <= 0 || Config.onoff.request_entities);
>> default:
>> /* For other types of requests we don't care */
>> return 1;
>> }
>> /* NOT REACHED */
>> }
>>
>> because the request method is POST. However, the request headers
>> don't
>> have Transfer-Encoding...
>>
>> What am I missing? I know Bijayant is using Squid-3, but I'm
>> observing
>> the same behaviour in my build of 2...
>>
>>
>>
>> On 17/06/2009, at 4:00 PM, Mark Nottingham wrote:
>>
>>> [ moving to squid-dev ]
>>>
>>> From what I can see, the site is using JavaScript to do autocomplete
>>> on a search field. The autocomplete requests use POST, but without a
>>> body.
>>>
>>> With Firefox, this results in a POST request without a body; i.e.,
>>> it doesn't have transfer-encoding *or* content-length.
>>>
>>> Such a POST request is legal (although atypical; Safari and I think
>>> others will include a Content-Length: 0 to signal no body
>>> explicitly). See
>>>
> <http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-06#section-4.3
>>>
>>>> .
>>>
>>> I think the right thing to do here is for Squid to only 411 when
>>> there's a transfer-encoding present; if there's no content-length,
>>> it's safe to assume 0 length.
>>>
>>> Cheers,
>>>
>>>
>>> On 17/06/2009, at 2:07 PM, Bijayant Kumar wrote:
>>>
>>>>
>>>> Bijayant Kumar
>>>>
>>>>
>>>> --- On Mon, 15/6/09, Bijayant Kumar <bijayant4u_at_yahoo.com> wrote:
>>>>
>>>>> From: Bijayant Kumar <bijayant4u_at_yahoo.com>
>>>>> Subject: Re: [squid-users] NONE/411 Length Required
>>>>> To: "squid users" <squid-users_at_squid-cache.org>
>>>>> Date: Monday, 15 June, 2009, 6:48 PM
>>>>>
>>>>>
>>>>> --- On Mon, 15/6/09, Amos Jeffries <squid3_at_treenet.co.nz>
>>>>> wrote:
>>>>>
>>>>>> From: Amos Jeffries <squid3_at_treenet.co.nz>
>>>>>> Subject: Re: [squid-users] NONE/411 Length Required
>>>>>> To: "Bijayant Kumar" <bijayant4u_at_yahoo.com>
>>>>>> Cc: "squid users" <squid-users_at_squid-cache.org>
>>>>>> Date: Monday, 15 June, 2009, 6:06 PM
>>>>>> Bijayant Kumar wrote:
>>>>>>> Hello list,
>>>>>>>
>>>>>>> I have Squid version 3.0.STABLE 10 installed on
>>>>> Gentoo
>>>>>> linux box. All things are working fine, means caching
>>>>>> proxying etc. There is a problem with some sites. When
>>>>> I am
>>>>>> accessing one of those sites, in access.log I am
>>>>> getting
>>>>>>>
>>>>>>> NONE/411 3692 POST
>>>>>>> http://wwww.justdial.com/autosuggest_category_query_main.php?
>>>>>> - NONE/- text/html
>>>>>>>
>>>>>>> And on the webpage I am getting whole error page
>>>>> of
>>>>>> squid. Actually its a search related page. In the
>>>>> search
>>>>>> criteria field as soon as I am typing after two words
>>>>> I am
>>>>>> getting this error. The website in a question is "http://justdial.com
>
>>>>>> ". But it works without the Squid.
>>>>>>>
>>>>>>>
>>>>>>> I tried to capture the http headers also which
>>>>> are as
>>>>>> below
>>>>>>>
>>>>>>>
> http://wwww.justdial.com/autosuggest_category_query_main.php?city=Bangalore&search=Ka
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> POST
>>>>>>
>>>>> /autosuggest_category_query_main.php?city=Bangalore&search=Ka
>>>>>> HTTP/1.1
>>>>>>>
>>>>>>> Host: wwww.justdial.com
>>>>>>>
>>>>>>> User-Agent: Mozilla/5.0 (X11; U; Linux i686;
>>>>> en-US;
>>>>>> rv:1.8.1.16) Gecko/20080807 Firefox/2.0.0.16
>>>>>>>
>>>>>>> Accept:
>>>>>>
>>>>> text/xml,application/xml,application/xhtml+xml,text/
>>>>> html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
>>>>>>>
>>>>>>> Accept-Language: en-us,en;q=0.7,hi;q=0.3
>>>>>>>
>>>>>>> Accept-Encoding: gzip,deflate
>>>>>>>
>>>>>>> Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
>>>>>>>
>>>>>>> Keep-Alive: 300
>>>>>>>
>>>>>>> Connection: keep-alive
>>>>>>>
>>>>>>> Referer: http://wwww.justdial.com/
>>>>>>>
>>>>>>> Cookie:
>>>>> PHPSESSID=d1d12004187d4bf1f084a1252ec46cef;
>>>>>>
>>>>> __utma=79653650.2087995718.1245064656.1245064656.1245064656.1;
>>>>>> __utmb=79653650; __utmc=79653650;
>>>>>>
>>>>> __utmz=79653650.1245064656.1.1.utmccn=(direct)|utmcsr=(direct)|
>>>>> utmcmd=(none);
>>>>>> CITY=Bangalore
>>>>>>>
>>>>>>> Pragma: no-cache
>>>>>>>
>>>>>>> Cache-Control: no-cache
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> HTTP/1.x 411 Length Required
>>>>>>>
>>>>>>> Server: squid/3.0.STABLE10
>>>>>>>
>>>>>>> Mime-Version: 1.0
>>>>>>>
>>>>>>> Date: Mon, 15 Jun 2009 11:18:10 GMT
>>>>>>>
>>>>>>> Content-Type: text/html
>>>>>>>
>>>>>>> Content-Length: 3287
>>>>>>>
>>>>>>> Expires: Mon, 15 Jun 2009 11:18:10 GMT
>>>>>>>
>>>>>>> X-Squid-Error: ERR_INVALID_REQ 0
>>>>>>>
>>>>>>> X-Cache: MISS from bijayant.kavach.blr
>>>>>>>
>>>>>>> X-Cache-Lookup: NONE from
>>>>> bijayant.kavach.blr:3128
>>>>>>>
>>>>>>> Via: 1.0 bijayant.kavach.blr
>>>>> (squid/3.0.STABLE10)
>>>>>>>
>>>>>>> Proxy-Connection: close
>>>>>>>
>>>>>>> Please suggest me what could be the reason and
>>>>> how to
>>>>>> resolve this. Any help/pointer can be a very helpful
>>>>> for me.
>>>>>>
>>>>>>>
>>>>>>> Bijayant Kumar
>>>>>>>
>>>>>>>
>>>>>>> Get your new
>>>>> Email
>>>>>> address!
>>>>>>> Grab the Email name you've always wanted before
>>>>>> someone else does!
>>>>>>> http://mail.promotions.yahoo.com/newdomains/aa/
>>>>>>
>>>>>>
>>>>>> NONE - no upstream source.
>>>>>> 411 - "Content-Length missing"
>>>>>>
>>>>>> HTTP requires a Content-Length: header on POST
>>>>> requests.
>>>>>>
>>>>>
>>>> How to resolve this issue. Because the website is on internet and
>>>> its working fine without the squid. When I am bypassing the proxy,
>>>> I am not getting any type of error.
>>>>
>>>> Can't this website be accessed through the Squid?
>>>>>
>>>>>> Amos
>>>>>> -- Please be using
>>>>>> Current Stable Squid 2.7.STABLE6 or
>>>>> 3.0.STABLE15
>>>>>> Current Beta Squid 3.1.0.8 or
>>>>> 3.0.STABLE16-RC1
>>>>>>
>>>>>
>>>>>
>>>>> New Email addresses available on
>>>>> Yahoo!
>>>>> Get the Email name you've always wanted on the new
>>>>> @ymail and @rocketmail.
>>>>> Hurry before someone else does!
>>>>> http://mail.promotions.yahoo.com/newdomains/aa/
>>>>>
>>>>
>>>>
>>>> Get your new Email address!
>>>> Grab the Email name you've always wanted before someone else
>>>> does!
>>>> http://mail.promotions.yahoo.com/newdomains/aa/
>>>
>>> --
>>> Mark Nottingham mnot_at_yahoo-inc.com
>>>
>>>
>>
>> --
>> Mark Nottingham mnot_at_yahoo-inc.com

--
Mark Nottingham       mnot_at_yahoo-inc.com