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Bug #3106

closed

FastCGI authorizer hang with server.stream-response-body

Added by gstrauss 26 days ago. Updated 25 days ago.

Status:
Fixed
Priority:
Normal
Category:
mod_fastcgi
Target version:
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Description

Reported by jefftharris in https://redmine.lighttpd.net/boards/2/topics/9969

OS: Linux 4.4
Version: lighttpd/1.4.59 (ssl)
Client: Python http.client module

We are using FastCGI to both authorize and handle requests. If I enable stream-response-body=2, lighttpd will occasionally hang seemingly receiving the authorizer response. Tracing in gw_recv_response shows the code is getting to the "return HANDLER_COMEBACK" in the HANDLER_FINISHED case with gw_mode == GW_AUTHORIZER. The more debugging I enable, e.g. fastcgi.debug=1, the more reliable the response is received.

In the attached patch, I have attempted a fix to temporarily not stream the response body during authorization. If the line is uncommented to set r->conf.stream_response_body=0, then the authorizer succeeds consistently.

(patches attached to https://redmine.lighttpd.net/boards/2/topics/9969)

Actions #1

Updated by gstrauss 25 days ago

  • Status changed from Patch Pending to Fixed
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