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HTTP/2: enforce writing the sync request body buffer to file.
The sync flag of HTTP/2 request body buffer is used when the size of request
body is unknown or bigger than configured "client_body_buffer_size". In this
case the buffer points to body data inside the global receive buffer that is
used for reading all HTTP/2 connections in the worker process. Thus, when the
sync flag is set, the buffer must be flushed to a temporary file, otherwise
the request body data can be overwritten.
Previously, the sync buffer wasn't flushed to a temporary file if the whole
body was received in one DATA frame with the END_STREAM flag and wasn't
copied into the HTTP/2 body preread buffer. As a result, the request body
might be corrupted (ticket #1384).
Now, setting r->request_body_in_file_only enforces writing the sync buffer
to a temporary file in all cases.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Wed, 04 Oct 2017 21:15:15 +0300 |
parents | b5ba6f22a0fc |
children | 1cd63ae46243 |
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<!DOCTYPE html> <html> <head> <title>Error</title> <style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>An error occurred.</h1> <p>Sorry, the page you are looking for is currently unavailable.<br/> Please try again later.</p> <p>If you are the system administrator of this resource then you should check the <a href="http://nginx.org/r/error_log">error log</a> for details.</p> <p><em>Faithfully yours, nginx.</em></p> </body> </html>