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Bug #6581 Buggy isapi PATH_INFO() under Zeus
Submitted: 2000-09-06 11:20 UTC Modified: 2001-03-06 05:22 UTC
From: rziegler at idea-net dot com Assigned:
Status: Closed Package: Other web server
PHP Version: 4.0.2 OS: Solaris 5.6 (sparc)
Private report: No CVE-ID: None
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 [2000-09-06 11:20 UTC] rziegler at idea-net dot com
From config.status:
./configure --with-mysql=/usr/local/mysql3.22.32 --with-zeus=/usr/local/zeus 
--with-gd --with-config-file-path=/usr/local/zeus/php/lib --prefix=/usr/local/zeus/php --enable-libgcc

% grep DISCARD *.h
php_config.h:#define DISCARD_PATH 0
php_config.h:#define DISCARD_PATH 0

Output from various scripts:
Zeus with perl on "http://testsite.idea-net.com/cgi-bin/pinfo.pl/1/2/3?x=y":

PATH_INFO: /1/2/3
PATH_TRANSLATED: /opt/www/projects/testsite/html/1/2/3
QUERY_STRING: x=y
REQUEST_URI: /cgi-bin/pinfo.pl/1/2/3?x=y


Zeus with php3 on "http://testsite.idea-net.com/cgi-bin/pinfo.php3/1/2/3?x=y":

PATH_INFO: /cgi-bin/pinfo.php3
PATH_TRANSLATED: /opt/www/projects/testsite/cgi-bin/pinfo.php3
QUERY_STRING: x=y
REQUEST_URI: /cgi-bin/pinfo.php3/1/2/3?x=y



Zeus with php4 on "http://testsite.idea-net.com/test/pinfo.php/1/2/3?x=y":

PATH_INFO: /test/pinfo.php
PATH_TRANSLATED: /opt/www/projects/testsite/html/test/pinfo.php
QUERY_STRING: x=y
REQUEST_URI:


If you need access to a web server running Zeus
to work on this problem, I can probably set something
up.  (Assuming this is a problem and not something
stupid on my part.)

Thanks,
Rob

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 [2000-09-06 16:53 UTC] rziegler at idea-net dot com
This may be a bug with the zeus webserver and its ISAPI
implementation.  Watching the ISAPI communication
between Zeus and libphp4.so for a request like:

http://test/dir/info.php/1/2/3?xyz=2

I see the following (from Zeus):

PATH_TRANSLATED: %docroot%/dir/info.php
PATH_INFO: /dir/info.php
QUERY_STRING: xyz=2
REQUEST_URI: /dir/info.php/1/2/3?xyz=2

which is exactly what php prints out.  I sent a bug
report to Zeus and will post whatever they say.
 [2000-09-13 18:31 UTC] joosters@php.net
Quick check; could you ensure that you have set Zeus up to run ISAPI
code 'out of process' ?
 [2000-11-03 20:19 UTC] sniper@php.net
reclassified.
 [2000-11-06 19:32 UTC] joosters@php.net
First of all, sorry for taking so long to reply...

When using handlers to run PHP, Zeus to map the original URL,
say www.zeus.com/foo.php/a/b/c
to -> www.zeus.com/isapi/libphp4.so/foo.php
so /foo.php becomes the PATH_INFO.
We cannot map the URL to www.zeus.com/isapi/libphp4.so/foo.php/a/b/c,
because then PHP would look for the file /foo.php/a/b/c and get very confused.
So, PATH_INFO is already being used for running PHP scripts, please use REQUEST_URI instead if you wish to get this part of the URL.

Incidentally, I have no idea why REQUEST_URI in your example is empty. Its working here with 4.0.1pl2

Ben
 [2001-03-06 05:22 UTC] joosters@php.net
PATH_INFO and PATH_TRANSLATED are fixed under Zeus 3.3.8 and
the current CVS tree of PHP. You will need to upgrade to both for the
path environment variables to be set correctly.
 
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