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From "S.Uthaiyashankar (JIRA)" <>
Subject [jira] Updated: (AXIS2C-1372) Setting the content-length header for libcurl causes auth to fail
Date Wed, 09 Dec 2009 04:21:18 GMT


S.Uthaiyashankar updated AXIS2C-1372:

    Fix Version/s: Next Version
         Assignee: S.Uthaiyashankar

> Setting the content-length header for libcurl causes auth to fail
> -----------------------------------------------------------------
>                 Key: AXIS2C-1372
>                 URL:
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: transport/http
>    Affects Versions: 1.6.0
>            Reporter: Incarnadine
>            Assignee: S.Uthaiyashankar
>            Priority: Blocker
>             Fix For: Next Version
>         Attachments: RemoveContentLengthHeader.diff
>   Original Estimate: 0.08h
>  Remaining Estimate: 0.08h
> Certain auth schemes, like NTLM, may result in an empty request (no body, content-length:0)
being sent to the server first to trigger a 401 auth challenge so as not to waste bandwidth
by posting the real message body twice when it knows the first request will result in an auth
> Libcurl currently has a bug where it will use the specified content-length on this first
request instead of sending 0, which will cause subsequent requests to fail because the message
body was never sent. 
> Since libcurl automatically calculates the content-length based on the POST size, it's
not necessary to specify it from Axis2/C. Removing this header allows libcurl to calculate
the length and send the correct values during both requests.
> I recommend the content-length setting code be removed because:
> 1. It doesn't appear to be needed
> 2. Curl docs do not recommend specifying a content-length header
> 3. It's currently the only way to get NTLM authentication working (see AXIS2C-1370)

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