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Posted to bugs@httpd.apache.org by bu...@apache.org on 2016/05/23 16:21:29 UTC
[Bug 59618] New: SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Bug ID: 59618
Summary: SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Product: Apache httpd-2
Version: 2.4.20
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy_fcgi
Assignee: bugs@httpd.apache.org
Reporter: champion.p@gmail.com
Partial duplicate of 50851, but that bug is an omnibus with quite a bit of
history behind it and this issue is more easily patched.
When using mod_proxy_fcgi with the recommended SetHandler/Proxy architecture:
Alias /cgi-bin/ "/usr/local/apache2/cgi-bin/"
<Location /cgi-bin/>
SetHandler "proxy:fcgi://localhost:4000"
</Location>
<Proxy "fcgi://localhost:4000">
</Proxy>
...the SCRIPT_FILENAME passed to the backend is prefixed with proxy:fcgi:
[Fri May 20 12:08:40.299263 2016] [proxy_fcgi:trace8] [pid 21189:tid
139785465222912] mod_proxy_fcgi.c(294): [client 127.0.0.1:51060] AH01062:
sending env var 'SCRIPT_FILENAME' value
'proxy:fcgi://localhost:4000/usr/local/apache2/cgi-bin/test-cgi'
This makes it difficult to use with general-purpose FCGI backends, since they
cannot understand the file path. PHP-FPM appears to have been hard-coded to
ignore the prefix as a workaround; see https://bugs.php.net/bug.php?id=54152 .
mod_proxy_fcgi already strips the proxy:balancer prefix; I propose that we add
the proxy:fcgi prefix to that logic as well (or refactor the logic so that the
internal prefixes aren't considered by the environment variable generation, but
that would be significantly more work).
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Jim Jagielski <ji...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|REOPENED |RESOLVED
--- Comment #6 from Jim Jagielski <ji...@apache.org> ---
Modifications in 2.4.26 and later provide workarounds for this.
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
--- Comment #2 from Jacob Champion <ch...@gmail.com> ---
Created attachment 33867
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33867&action=edit
An Apache::Test case
Here's a test case for the SCRIPT_FILENAME variable.
Regarding the XXX marker in the patch: I couldn't find a way to get the value
of a @NextAvailablePort@ from inside the test client. Maybe a new Apache::Test
feature is needed? Or we could just hardcode the port number.
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Jacob Champion <ch...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |PatchAvailable
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Graham Leggett <mi...@sharp.fm> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Graham Leggett <mi...@sharp.fm> ---
Backported to v2.4.21.
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Szőgyényi Gábor <sz...@freemail.hu> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |szg0000@freemail.hu
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
--- Comment #1 from Jacob Champion <ch...@gmail.com> ---
Created attachment 33865
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33865&action=edit
Strip proxy:fcgi as well as proxy:balancer
One possible approach. Patch was made against 2.4.20.
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Eric Covener <co...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |FixedInTrunk
--- Comment #3 from Eric Covener <co...@gmail.com> ---
Thanks Jacob, fixed in http://svn.apache.org/r1747810 and proposed for 2.4.x.
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[Bug 59618] SCRIPT_FILENAME is prefixed with bogus "proxy:fcgi"
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59618
Eric Covener <co...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |---
--- Comment #5 from Eric Covener <co...@gmail.com> ---
Need go to back to the drawing board on this one, php-fpm was using this prefix
as a hint that this was a non mod_fastcgi / non Action kind of invocation. When
its gone, they're using PATH_TRANSLATED instead of SCRIPT_FILENAME because I
guess that's how some Action-based mod_fastcgi configs worked.
I am tempted to flip the default and just guard it under a directive.
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