error Chunked transfer encoding not supported

[Aleksej]

hello.

i used own php script to connect to PVE. for now auth is ok, but in any post it returns "

HTTP/1.1 501 chunked transfer encoding not supportedCache-Control: max-age=0Connection: closeDate: Fri, 12 Jan 2024 16:34:33 GMTPragma: no-cacheServer: pve-api-daemon/3.0Expires: Fri, 12 Jan 2024 16:34:33 GMT

"

for example:

       curl_setopt($ch, CURLOPT_URL,"https://myhost:8006/api2/json/nodes/ps116/qemu/118/status/stop")
curl_setopt($ch, CURLOPT_HTTPHEADER, ["CSRFPreventionToken: {$mytokenhere}"]);
        curl_setopt($ch, CURLOPT_HEADER, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_COOKIE, "PVEAuthCookie="{$mycookiedata}");
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
   curl_setopt($ch, CURLOPT_POST, 1);
   curl_exec($ch)

the same request to:

 curl_setopt($ch, CURLOPT_URL,"https://myhost:8006/api2/json/access/ticket");
     $pf = 'username='. urlencode($this->username).'@pve&password='.urlencode($this->password);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
   curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $pf);
   curl_exec($ch)

works fine... (actually i get token and cookie)

what changed?
not working on PVE 7.4.17 and PVE 8.1.3 after host updates

P.S. there is no errors in script. it was copied from my src and changed like IPs, names,etc. so there can be mistakes)

 

[Aleksej]

actually, i don't know what was actualy changed...
after few days of tries i found solution:

i replaced

curl_setopt($ch, CURLOPT_POST, 1);

with

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");

In any case i think, this has to be reviewed by proxmox dev team, as chunked transfer is mandatory of HTTP/1.1
and it's a bit confusing according to RFC2616 https://www.rfc-editor.org/rfc/rfc2616#page-25

 

[simplerezo]

Thanks for reporting this, we had the same issue, and your "fix" is working!

 

[Digambar Borse]

Hello,

I'm also getting error "HTTP/1.1 501 chunked transfer encoding not supported" for writing client using boost::beast library , below is request type.

http::request<json_body> req{http::verb:ost, target, 11};

For other opensource URL same code is working fine.
can you please give any suggestion for this?

Thanks
-Digambar