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Re: bash 'test -x' gives incorrect results with group permissions?
- From: "Pierre A. Humblet" <pierre dot humblet at ieee dot org>
- To: cygwin at cygwin dot com
- Date: Wed, 5 Mar 2003 19:45:56 -0500
- Subject: Re: bash 'test -x' gives incorrect results with group permissions?
- References: <003d01c2e35b$ad5e4240$0101a8c0@newt>
On Wed, Mar 05, 2003 at 04:10:35PM -0500, Eric Tiffany wrote:
> I encountered a perplexing situation with file permissions. I am running
> cygwin 1.3.20 and bash 2.05b.0(8).
> I have an executable with the following permissions:
> $ ls -ln /c/j2sdk1.4.1_01/bin/java
> -rwxrwx---+ 1 544 18 24672 Sep 30 03:08
> And here is my user info:
> $ id
> uid=1006(Eric Tiffany) gid=513(None)
> If I run getfacl, I see the following:
> $ getfacl.exe -a /c/j2sdk1.4.1_01/bin/java
> getfacl.exe -a /c/j2sdk1.4.1_01/bin/java
> # file: /c/j2sdk1.4.1_01/bin/java
> # owner: Administrators
> # group: SYSTEM
> I can execute the file from the command line.
> However, if I say 'test -x /c/j2sdk1.4.1_01/bin/java' in a script, it
> returns false. This seems wrong just based on the fact that I actually can
> exec the file. However, it also seems to contradict the permissions set for
> the file, if I am interpreting the results of getfacl correctly.
> Is this a bug?
or a feature? I know of no POSIX call that can reliably detect that situation.
access() on Cygwin will bend POSIX a little and do it. So, as Igor wrote, this
issue will be fixed but it will be necessary to also patch /bin/test and bash.
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