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Tests: tests for usage of discarded body.
The client_max_body_size limit should be ignored when the request body
is already discarded. In HTTP/1.x, this is done by checking the
r->discard_body flag when the body is being discarded, and because
r->headers_in.content_length_n is 0 when it's already discarded. This,
however, does not happen with HTTP/2 and HTTP/3, and therefore
"error_page 413" does not work without relaxing the limit.
Further, with proxy_pass, r->headers_in.content_length_n is used to determine
length of the request body, and therefore is not correct if discarding of
the request body isn't yet complete. While discarding the request body,
r->headers_in.content_length_n contains the rest of the body to discard
(or, in case of chunked request body, the rest of the current chunk to
discard).
Similarly, the $content_length variable uses r->headers_in.content_length
if available, and also incorrect. The $content_length variable is used
when proxying with fastcgi_pass, grpc_pass, and uwsgi_pass (scgi_pass uses
the value calculated based on the actual request body buffers, and therefore
works correctly).
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Sat, 27 Apr 2024 18:55:50 +0300 |
parents | f3ba4c74de31 |
children |
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Test suite for nginx. Use prove to run tests as one usually do for perl tests. Individual tests may be run as well. Note: tests run nginx (and backend daemons if needed) listening on localhost and may use various ports in 8000 .. 8999 range. Usage: $ TEST_NGINX_BINARY=/path/to/nginx prove . By default tests expect nginx binary to be at ../nginx/objs/nginx. Environment variables: TEST_NGINX_BINARY Sets path to nginx binary to be tested, defaults to "../nginx/objs/nginx". TEST_NGINX_MODULES Sets path to modules directory, defaults to dirname of TEST_NGINX_BINARY. TEST_NGINX_VERBOSE Be a bit more verbose (in particular, print requests sent and responses got from nginx). Note that this requires prove -v (or HARNESS_VERBOSE). TEST_NGINX_LEAVE If set, temporary directory with configs and logs won't be deleted on test completion. Useful for debugging. TEST_NGINX_CATLOG Cat error log to stdout after test completion. Useful for debugging. TEST_NGINX_UNSAFE Run unsafe tests. TEST_NGINX_GLOBALS Sets additional directives in main context. TEST_NGINX_GLOBALS_HTTP Sets additional directives in http context. TEST_NGINX_GLOBALS_STREAM Sets additional directives in stream context. Happy testing!