view conf/fastcgi_params @ 7440:6d4bc025c5a7

Prevented scheduling events on a shared connection. A shared connection does not own its file descriptor, which means that ngx_handle_read_event/ngx_handle_write_event calls should do nothing for it. Currently the c->shared flag is checked in several places in the stream proxy module prior to calling these functions. However it was not done everywhere. Missing checks could lead to calling ngx_handle_read_event/ngx_handle_write_event on shared connections. The problem manifested itself when using proxy_upload_rate and resulted in either duplicate file descriptor error (e.g. with epoll) or incorrect further udp packet processing (e.g. with kqueue). The fix is to set and reset the event active flag in a way that prevents ngx_handle_read_event/ngx_handle_write_event from scheduling socket events.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 14 Jan 2019 20:36:23 +0300
parents 62869a9b2e7d
children
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fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  REQUEST_SCHEME     $scheme;
fastcgi_param  HTTPS              $https if_not_empty;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param  REDIRECT_STATUS    200;