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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4754) [classlib] FilePermission incorrect canonical path
Date Thu, 06 Sep 2007 20:55:29 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12525525

Tim Ellison commented on HARMONY-4754:

> I also notice that the RI doesn't evaluate the canonical
> path in the constructor but only when it is required

Really?  I see it behave differently on Windows, using the Sysinternals tool and simply running

    new FilePermission("foobartest/-", "read")

produces (apologies for poor formatting) on the RI a file system request

Process         Request    Path                            Result        Other
javaw.exe:2104  DIRECTORY  C:\Eclipse\workspace\Tim test\  NO SUCH FILE  FileBothDirectoryInformation:

> [classlib] FilePermission incorrect canonical path
> --------------------------------------------------
>                 Key: HARMONY-4754
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4754
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Mark Hindess
>            Assignee: Tim Ellison
> If called with a path ending in "-" or "*", java.io.FilePermission calls  File.getCanonicalPath
with the "-" or "*" still appended.  This is incorrect (and produces very odd results if "-"
or "*" exists - perhaps as a symlink to some completely different tree).
> For example, if you do:
>   mkdir test
>   ln -s /tmp test/-
>  then (new FilePermission("test/-", "read")).implies(new FilePermission("/tmp/file",
> is true and (new FilePermission("test/-", "read")).implies(new FilePermission("test/file",
"read") is false where as on the RI it is the opposite way around since the '-' symlink is
(correctly) ignored.

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