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104 lines
2.8 KiB
PHP
104 lines
2.8 KiB
PHP
--TEST--
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Test symlink(), linkinfo(), link() and is_link() functions : usage variations - link & dir perms.
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--SKIPIF--
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<?php
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if ( substr(PHP_OS, 0, 3) == 'WIN' ) {
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die('skip no symlinks on Windows');
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}
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if ( substr(PHP_OS, 0, 3) == 'MAC' ) {
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die('skip Not valid for MacOS');
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}
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if (PHP_INT_SIZE != 4) {
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die("skip this test is for 32bit platform only");
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}
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// Skip if being run by root (files are always readable, writeable and executable)
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$filename = dirname(__FILE__)."/symlink_link_linkinfo_is_link6_check_root.tmp";
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$fp = fopen($filename, 'w');
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fclose($fp);
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if(fileowner($filename) == 0) {
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unlink ($filename);
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die('skip...cannot be run as root\n');
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}
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unlink($filename);
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?>
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--FILE--
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<?php
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/* Prototype: bool symlink ( string $target, string $link );
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Description: creates a symbolic link to the existing target with the specified name link
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Prototype: bool is_link ( string $filename );
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Description: Tells whether the given file is a symbolic link.
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Prototype: bool link ( string $target, string $link );
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Description: Create a hard link
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Prototype: int linkinfo ( string $path );
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Description: Gets information about a link
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*/
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/* Variation 6 : Change permission of directory and try creating links inside that directory */
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$file_path = dirname(__FILE__);
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echo "*** Creating links in a directory without permission to allow the operation ***\n";
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// temp file used
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$dirname = "$file_path/symlink_link_linkinfo_is_link_variation6";
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mkdir($dirname);
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$filename = "$dirname/symlink_link_linkinfo_is_link_variation6.tmp";
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// remove all permissions from dir
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var_dump( chmod($dirname, 0000) );
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echo "\n-- Working with soft links --\n";
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$linkname = "$dirname/non_existent_link_variation5.tmp";
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// expected: false
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var_dump( symlink($filename, $linkname) ); // this link won't get created
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var_dump( linkinfo($linkname) );
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var_dump( is_link($linkname) );
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// clear the cache
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clearstatcache();
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echo "\n-- Working with hard links --\n";
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// expected: false
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var_dump( link($filename, $linkname) );
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var_dump( linkinfo($linkname) );
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var_dump( is_link($linkname) );
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// clear the cache
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clearstatcache();
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chmod($dirname, 0777); // to enable dir deletion
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echo "Done\n";
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?>
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--CLEAN--
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<?php
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$file_path = dirname(__FILE__);
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$dirname = "$file_path/symlink_link_linkinfo_is_link_variation6";
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$filename = "$dirname/symlink_link_linkinfo_is_link_variation6.tmp";
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unlink($filename);
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rmdir($dirname);
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?>
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--EXPECTF--
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*** Creating links in a directory without permission to allow the operation ***
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bool(true)
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-- Working with soft links --
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Warning: symlink(): Permission denied in %s on line %d
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bool(false)
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Warning: linkinfo(): Permission denied in %s on line %d
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int(-1)
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bool(false)
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-- Working with hard links --
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Warning: link(): Permission denied in %s on line %d
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bool(false)
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Warning: linkinfo(): Permission denied in %s on line %d
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int(-1)
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bool(false)
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Done
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