Bug #74674 [Opn->Fbk]: Problem of extracting an archive with symbolic links

Edit report at https://bugs.php.net/bug.php?id=74674&edit=1 ID: 74674 Updated by: cmb@php.net Reported by: gwenael dot pellen at arkeup dot com Summary: Problem of extracting an archive with symbolic links -Status: Open +Status: Feedback Type: Bug Package: PHAR related Operating System: Linux Ubuntu 16.04 LTS PHP Version: 7.1.5 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: I cannot reproduce this with PHP-7.4 (neither on Debian nor Windows). Is this still an issue for you with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> Previous Comments: ------------------------------------------------------------------------ [2017-05-30 14:34:34] gwenael dot pellen at arkeup dot com Description: ------------ $ php -v PHP 7.1.5-1+deb.sury.org~xenial+2 (cli) (built: May 22 2017 12:48:42) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies with Zend OPcache v7.1.5-1+deb.sury.org~xenial+2, Copyright (c) 1999-2017, by Zend Technologies Create my data $ mkdir /tmp/php-bug/ && cd /tmp/php-bug/ $ mkdir -p source1/dir1 $ mkdir -p source1/dir2 $ mkdir source2 $ ln -s ../source1/dir1 source2/dir1 $ ln -s ../source1/dir2 source2/dir2 Create TAR archive $ tar cvf source2.tar source2/ source2/ source2/dir1 source2/dir2 Show TAR archive $ tar tvf source2.tar drwxr-xr-x root/root 0 2017-05-30 14:00 source2/ lrwxrwxrwx root/root 0 2017-05-30 14:00 source2/dir1 -> ../source1/dir1 lrwxrwxrwx root/root 0 2017-05-30 14:00 source2/dir2 -> ../source1/dir2 Create PHP script to extract this archive. $ cat > extract.php <<EOT <?php \$path = getcwd(); echo \$path, "\n"; \$phar = new PharData('source2.tar'); \$phar->extractTo(\$path,null,true); EOT Launch PHP script $ php extract.php /tmp/php-bug PHP Warning: PharData::extractTo(/tmp/php-bug/source2/dir1): failed to open stream: Is a directory in /tmp/php-bug/extract.php on line 5 PHP Fatal error: Uncaught PharException: Extraction from phar "/tmp/php-bug/source2.tar" failed: Cannot extract "source2/dir1", could not open for writing "/tmp/php-bug/source2/dir1" in /tmp/php-bug/extract.php:5 Stack trace: #0 /tmp/php-bug/extract.php(5): PharData->extractTo('/tmp/php-bug', NULL, true) #1 {main} thrown in /tmp/php-bug/extract.php on line 5 Test script: --------------- <?php $path = getcwd(); echo $path, "\n"; $phar = new PharData('source2.tar'); $phar->extractTo(\$path,null,true); Expected result: ---------------- $ php extract.php $ Actual result: -------------- $ php extract.php /tmp/php-bug PHP Warning: PharData::extractTo(/tmp/php-bug/source2/dir1): failed to open stream: Is a directory in /tmp/php-bug/extract.php on line 5 PHP Fatal error: Uncaught PharException: Extraction from phar "/tmp/php-bug/source2.tar" failed: Cannot extract "source2/dir1", could not open for writing "/tmp/php-bug/source2/dir1" in /tmp/php-bug/extract.php:5 Stack trace: #0 /tmp/php-bug/extract.php(5): PharData->extractTo('/tmp/php-bug', NULL, true) #1 {main} thrown in /tmp/php-bug/extract.php on line 5 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74674&edit=1