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rlm_rest does not support HTTP/2 #2821

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alandekok opened this issue Jul 30, 2019 · 0 comments

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@alandekok
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commented Jul 30, 2019

Issue type

  • Defect - Unexpected behaviour (obvious or verified by project member).

Defect

How to reproduce the issue

Have a web server support HTTP/2 ,and use rlm_rest

Output of [radiusd|freeradius] -X showing issue occurring

   (1) rest: Processing response header
   (1) rest: ERROR: Malformed HTTP header: Status line too short
   (1) rest: ERROR: Received 13 bytes of response data: HTTP/2 404  
   (1) rest: ERROR: Request failed: 23 - Failed writing received data
   to disk/application
   (1) rest: ERROR: Server returned no data
   rlm_rest (rest): Released connection (0)```

We can force libcurl to use a particular HTTP version:

https://curl.haxx.se/libcurl/c/CURLOPT_HTTP_VERSION.html

But we can't disable HTTP/2, and allow HTTP/1.1 and HTTP/1.0.

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