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Bug #64063 relative path search bug in no-stat mode
Submitted: 2013-01-24 14:09 UTC Modified: 2016-11-18 21:19 UTC
Avg. Score:4.0 ± 0.0
Reproduced:2 of 2 (100.0%)
Same Version:2 (100.0%)
Same OS:2 (100.0%)
From: iliya at polihronov dot com Assigned:
Status: Wont fix Package: APC (PECL)
PHP Version: 5.4.11 OS: Linux
Private report: No CVE-ID: None
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 [2013-01-24 14:09 UTC] iliya at polihronov dot com
I no-stat mode,the canonicalization code doesn't consider the currently executed 
filename when searching for relative paths.

I reported this bug before in this bug report -
id=59749 but it wasn't really discussed, because there was a more serious 

I also know it has been discussed before and that you know about this 
problem(/feature), but not sure if a patch has been submitted. It would be nice 
we get this committed as we have been porting patch from version to version of 
on where we run over 40 million WordPress sites and seems to work 
fine and might be useful to others. Converting paths to absolute isn't really a 
solution for everyone (us included) and obviously people want apc.canonicalize.

Test script:
apc.stat = 0

cat index.php 
<?php include_once("a/test.php"); ?>

cat a/test.php
<?php include_once('b/include1.php'); ?>

cat a/b/include1.php 
<?php include_once('include2.php'); ?>

cat a/include2.php 
<?php echo "Wrong file"; ?>

cat a/b/include2.php 
<?php echo "Correct file"; ?>

Expected result:
"Correct file"

Actual result:
On the first execution, I get "Correct file". On the second execution and after I 
get "Wrong file".


Fix-includes-relative-path-search (last revision 2013-01-24 14:10 UTC by iliya at polihronov dot com)

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 [2013-02-18 23:49 UTC]
Interesting patch, I need to think over this one. 

The exec_fname has different meanings during execution vs compile here.
 [2013-02-19 00:15 UTC] iliya at polihronov dot com
It is passed only during the compilation of the entry in apc_compile.c. Otherwise 
it would use zend_get_executed_filename(). What is your concern? 
It's also somewhat well tested as we use this patch in production for more than a 
year, with millions of lines of code and all kinds of use cases.
 [2016-11-18 21:19 UTC]
-Status: Open +Status: Wont fix
 [2016-11-18 21:19 UTC]
APC is no longer supported in favor of opcache that comes bundled with PHP, if you wish to use the user cache, then look at PECL/APCu.
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