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PATH_INFO

 
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WindEagle
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Joined: 11 Aug 2004
Posts: 3
Location: Brooklyn, NYC, USA
PostPosted: Sat Apr 30, 2005 8:55 am    Post subject: PATH_INFO Reply with quote
this is for both php 5.0.3 and 4.3.11(both the latest) and i also tested ur php5 preconfig

i have setup php before and the settings are no different from before so it can't be my fault and i have tried every other setting like changing from php style to standard and even activeperl style

example path: /script.php/path/info

REQUEST_URI: /script.php/path/info (this is good)
URL: /script.php/path/info/path/info (obviously u can't have doubles here)
PATH_INFO: *empty* (can't be empty)
PATH_TRANSLATED: *\script.php (well this is not right thats for sure)

it should be:

URL: /script.php/path/info
PATH_INFO: /path/info
PATH_TRANSLATED: *\path\info

the only work around for this problem is this:

these 2 functions are my own and you can use them if u like and if u make some improvements let me know, also if u do use them at least tell me and if u have some ideas on what type of functions u want maybe i can help you, i got a ton and make new ones all the time, also if u include my function inside some project let me know as well

Code:


   function str_pos ( $pHayStack , $pNeedle , &$pPos , $pOffset = 0 )
   {
      return ( ( ( $pPos = strpos( $pHayStack , $pNeedle , $pOffset ) ) === FALSE ) ? 0 : 1 );
   }

   function substrs ( $pHayStack , $pStarts , $pEnds = 0 , $pDefault  = '' )
   {
      if ( ! str_pos( $pHayStack , $pStarts , $start ) )
      {
         return $pDefault ;
      }else{
         $start = $start + strlen( $pStarts );
         $end = ( ( $pEnds ? ( str_pos( $pHayStack , $pEnds , $end , $start ) ? $end : $pDefault  ) : strlen( $pHayStack ) ) - $start );
         return ( $end ? substr( $pHayStack , $start , $end ) : $pDefault  );
      }
   }
if ( empty( $_SERVER[ 'PATH_INFO' ] ) || $_SERVER[ 'PATH_INFO' ] == $_SERVER[ 'SCRIPT_NAME' ] )
{
   $URI = $_SERVER[ 'SCRIPT_NAME' ].( empty( $_SERVER[ 'QUERY_STRING' ] ) ? '' : '?'.$_SERVER[ 'QUERY_STRING' ] );
   if ( $URI != $_SERVER[ 'REQUEST_URI' ] )
   {
      $_SERVER[ 'PATH_INFO' ] =  substrs( $_SERVER[ 'REQUEST_URI' ] , $_SERVER[ 'SCRIPT_NAME' ] , ( empty( $_SERVER[ 'QUERY_STRING' ] ) ? 0 : '?'.$_SERVER[ 'QUERY_STRING' ] ) );
      $_SERVER[ 'PATH_TRANSLATED' ] =  $_SERVER[ 'DOCUMENT_ROOT' ].$_SERVER[ 'PATH_INFO' ]; // i dont know the specification for this variable so i'm guessing this is right
      $_SERVER[ 'URL' ] = $_SERVER[ 'SCRIPT_NAME' ].$_SERVER[ 'PATH_INFO' ];
   }
}

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aprelium
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Joined: 22 Mar 2002
Posts: 6800
PostPosted: Sat Apr 30, 2005 2:31 pm    Post subject: Re: PATH_INFO Reply with quote
WindEagle,

The problem comes from PHP and is documented on http://php.net. PHP breaks the CGI specification and requires that the script name to be passed in PATH_INFO.

To make it CGI compliant, you should set in php.ini the parameter cgi.fix_pathinfo to yes and change the Type of the PHP interpreter in Abyss to Standard.
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WindEagle
-


Joined: 11 Aug 2004
Posts: 3
Location: Brooklyn, NYC, USA
PostPosted: Sun May 01, 2005 1:55 am    Post subject: Reply with quote
actually this is somewhat incorrect and this will prove it:

Environents:

Standard:

ORIG_PATH_INFO=/path/info
ORIG_PATH_TRANSLATED=*\path\info
ORIG_SCRIPT_FILENAME=*\script.php
ORIG_SCRIPT_NAME=/script.php
REQUEST_URI=/script.php/path/info
SCRIPT_FILENAME=*\script.php
SCRIPT_NAME=/script.php
URL=/script.php/path/info/path/info

PHP:

ORIG_PATH_INFO=/script.php
ORIG_PATH_TRANSLATED=*\script.php
ORIG_SCRIPT_FILENAME=*\script.php
ORIG_SCRIPT_NAME=/script.php
REQUEST_URI=/script.php/path/info
SCRIPT_FILENAME=*\script.php
SCRIPT_NAME=/script.php
URL=/script.php/path/info/path/info

as u can see its not the php that adds the ORIG_ and URL is incorrect and REQUEST_URI is the only one that is reliable so i suggest you check out exactly what and how u send in the environment info

this info was gotten using Sysinternals(www.sysinternals.com) Process Explorer and a simple php script with sleep(10) as its only code

so i suggest you guys jump on this pretty quckly to patch it up
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WindEagle
-


Joined: 11 Aug 2004
Posts: 3
Location: Brooklyn, NYC, USA
PostPosted: Sun May 01, 2005 2:15 am    Post subject: Reply with quote
sorry guys i made a mistake, i caught those environment variables after php had a chance to change them but URL variable is still incorrect and i know this because i changed the interpreter to the GNU env.exe i did get the 500 error but thats not what i wanted all i wanted was a chance to catch the process and i did it seems that u guys did a good job so its a php problem but u stil have to check what URL is supposed to be


also the only real good way to fix this right now is by using a prepend script that has this code:

Code:

$_SERVER[ 'URL' ] = $_SERVER[ 'REQUEST_URI' ];// I'm guessing this is what is supposed to be here
if ( isset( $_SERVER[ 'ORIG_PATH_INFO' ] ) )
{
    $_SERVER[ 'PATH_INFO' ] =  $_SERVER[ 'ORIG_PATH_INFO' ];
    $_SERVER[ 'PATH_TRANSLATED' ] =  $_SERVER[ 'ORIG_PATH_TRANSLATED' ];
}

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