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Re: [libmicrohttpd] Chunked encoding POST getting a 411 error

From: Kim Scarborough
Subject: Re: [libmicrohttpd] Chunked encoding POST getting a 411 error
Date: Thu, 24 Jan 2019 12:28:12 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

It's actually systemd doing this. It uses libmicrohttpd to listen for
incoming journal messages. I'm not sure why it doesn't send sizes in the
header for outgoing messages.

I mainly just want to get systemd journal forwarding working. Would it
be more to the point to open a bug with the systemd people? I'm just
afraid they'll say "well, we're not violating the spec," and ignore it.
Is there any way this could be changed on the libmicrohttpd end?

On 1/23/19 10:22 PM, Christian Grothoff wrote:
> You're not incorrect, but likely the first one to try this. I don't
> recall anyone ever implementing this feature for uploads. Is there a
> good reason why you need it? Usually clients telling the server up-front
> how big the upload is, is a good idea, so that the server can reject
> uploads that are too large for some reason. I've not yet seen an
> application where the client doesn't know the size of the upload (not
> saying there isn't one).
> On 1/24/19 3:14 AM, Kim Scarborough wrote:
>> I'm using libmicrohttpd-0.9.62, and I'm having a problem with posting
>> chunked-encoded files without a Content-Length header:
>> POST /upload HTTP/1.1
>> Host: myhost.example
>> Transfer-Encoding: chunked
>> Content-Type: application/vnd.fdo.journal
>> HTTP/1.1 411 Length Required
>> Connection: close
>> Content-Length: 35
>> Content-Type: text/plain
>> Date: Thu, 24 Jan 2019 01:21:41 GMT
>> I thought using "Transfer-Encoding: chunked" meant I didn't have to
>> specify "Content-Length". Am I incorrect?

Kim Scarborough

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