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Bug #79557 extension_dir = "./ext" now use current directory for base
Submitted: 2020-05-02 15:38 UTC Modified: 2020-05-04 12:45 UTC
From: laurinkeithdavis at gmail dot com Assigned: cmb (profile)
Status: Closed Package: Dynamic loading
PHP Version: 7.4.5 OS: Windows
Private report: No CVE-ID: None
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From: laurinkeithdavis at gmail dot com
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 [2020-05-02 15:38 UTC] laurinkeithdavis at gmail dot com 
Description:
------------
7.4 on Windows, the issue of the working directory being used instead of the base directory appears to be happening again.

Same as: https://bugs.php.net/bug.php?id=74866

Test script:
---------------
php.ini for both has this setting.

extension_dir = "./ext/"

7.4:

c:\jenkins-php-tools>C:\PHP\php.exe -cc:/PHP/devrc/php.ini


7.3.16:

c:\jenkins-php-tools>C:\PHP\php.exe -cc:/PHP/devrc/php.ini

Expected result:
----------------
(loads, no errors)

Actual result:
--------------
7.4:

Warning: PHP Startup: Failed to load ./ext/php_curl.dll, The system cannot find the file specified.
 in Unknown on line 0
Warning: PHP Startup: Failed to load ./ext/php_fileinfo.dll, The system cannot find the file specified.
 in Unknown on line 0
Warning: PHP Startup: Failed to load ./ext/php_gd2.dll, The system cannot find the file specified.
 in Unknown on line 0

7.3:

No errors

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 [2020-05-04 09:01 UTC] cmb@php.net
-Assigned To: +Assigned To: cmb
 [2020-05-04 09:01 UTC] cmb@php.net 
I can confirm the reported behavior.  Using "ext" instead of
"./ext" works, though.
 [2020-05-04 11:29 UTC] laurinkeithdavis at gmail dot com 
Interesting. I looked through the source and it appears that the patch added for the previous bug still exists, but I don't know C well enough to understand how "ext" would be treated differently from "./ext".
 [2020-05-04 12:45 UTC] cmb@php.net
-Status: Assigned +Status: Analyzed
 [2020-05-04 12:45 UTC] cmb@php.net 
As of PHP 7.4.0, PHP checks for the linker version of extension
DLLs, using ImageLoad().  For some reason, that function fails to
load images if the path starts with ./ or .\.
 [2020-05-04 12:58 UTC] cmb@php.net 
The following pull request has been associated:

Patch Name: Fix #79557: extension_dir = ./ext now use current directory for base
On GitHub:  https://github.com/php/php-src/pull/5523
Patch:      https://github.com/php/php-src/pull/5523.patch
 [2020-05-15 07:24 UTC] cmb@php.net 
Automatic comment on behalf of cmbecker69@gmx.de
Revision: http://git.php.net/?p=php-src.git;a=commit;h=8c6d006b55bf5ba230dda672344dbd0e2a7d4be3
Log: Fix #79557: extension_dir = ./ext now use current directory for base
 [2020-05-15 07:24 UTC] cmb@php.net
-Status: Analyzed +Status: Closed
 
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