File Permissions ?
Paul Howarth
paul at city-fan.org
Wed Jan 11 22:17:18 UTC 2006
On Thu, 2006-01-12 at 07:28 +1030, Tim wrote:
> Paul Howarth:
> >>> A user other than the owner that is in the same group as the file won't
> >>> be able to read it, will they?
>
> Tim:
> >> Argh, double negative logic, and it's 6am...
> >>
> >> If I create a test file as user and group "tim", then make it mode 404
> >> e.g. -r-----r-- 1 tim tim 5 Jan 12 06:04 permissions.text
> >> User "test" in group "test" can read it (I've tested this).
> >>
> >> Are you saying that they should or shouldn't be able to do so?
>
> Paul Howarth:
> > What about user "test" in group "tim"?
>
> Same results, as I expected.
Not the same here, as I expected:
$ ls -l testfile
-r-----r-- 1 root cdwrite 9 Jan 11 22:13 testfile
$ id
uid=500(paul) gid=500(paul)
groups=105(mock),500(paul),502(cdwrite),503(scanner)
context=user_u:system_r:unconfined_t
$ cat testfile
cat: testfile: Permission denied
$
I'm a member of the "cdwrite" group and can't access the file, but I
would be able to if I wasn't a member of the group.
Paul.
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