https://bz.apache.org/bugzilla/show_bug.cgi?id=66597
Bug ID: 66597
Summary: HTTP/2 chunk requests conflict with proxy-sendcl
option in mod_proxy_fcgi
Product: Apache httpd-2
Version: 2.4.57
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy_fcgi
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
In cases where an HTTP/2 request is chunked (sent without a CONTENT_LENGTH
header but with the END_STREAM flag (RFC 7540)).
In cases where the proxy-sendcl env variable is set:
"HTTP/1.0 required all HTTP requests that include a body (e.g. POST requests)
to include a Content-Length header. This environment variable forces the Apache
proxy to send this header to the backend server, regardless of what the Client
sent to the proxy..."
mod_proxy_fcgi also chunks the body. This can cause problems for the PHP-FPM
back-end, which is not expecting chunk fields since the content length is
specified.
It looks a side effect of https://bz.apache.org/bugzilla/show_bug.cgi?id=57087
It can easily be reproduce:
curl -v -k -H 'Content-Length:' --http2 -X POST https://127.0.0.1/ -d
'{"thisis":"atest"}'
The FCGI_STDIN will look:
12
{"thisis":"atest"}
0
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