On Wed, Oct 09, 2013 at 05:47:36PM +0200, Bambero wrote:
> Thanks fo the answer.
>
> But, another example:
> --------------------
> #!/usr/local/bin/php-5.2 -q
>
> //set group ID to operator
> posix_setgid(5);
> posix_setegid(5);
>
> //set user ID to nobody
> posix_setuid($_uid);
>
> echo 'getuid: ' . posix_getuid() . "\n";
> echo 'getgid: ' . posix_getgid() . "\n";
> echo 'getegid: ' . posix_getegid() . "\n";
>
> echo file_get_contents('/etc/sudoers');
> --------------------
>
> This script returns contents of /etc/sudoers file.
> But it shouldn't becouse perms of /etc/sudoers permissions are:
> -----
> -r--r----- 1 root wheel 1354 Aug 17 2011 /etc/sudoers
> ----
>
> I'm I right ?
No, there are also a group list. See getgroups(2) and setgroups().
getgroups(2) maps to posix_getgroups(). But is seems posix_setgroups() was
forgotten by the php folks.
-Otto
>
> Bambero
>
>
> On Wed, Oct 9, 2013 at 4:30 PM, Otto Moerbeek <[email protected]> wrote:
>
> > On Wed, Oct 09, 2013 at 04:26:20PM +0200, Bambero wrote:
> >
> > > Hello
> > >
> > > I have a small php script which creates a file:
> > >
> > > --------------------
> > > #!/usr/local/bin/php-5.2 -q
> > >
> > > //set group ID to operator
> > > posix_setgid(5);
> > > posix_setegid(5);
> > >
> > > //set user ID to nobody
> > > posix_setuid($_uid);
> > >
> > > // create file
> > > touch('/tmp/permtest');
> > >
> > > echo 'getuid: ' . posix_getuid() . "\n";
> > > echo 'getgid: ' . posix_getgid() . "\n";
> > > echo 'getegid: ' . posix_getegid() . "\n";
> > > --------------------
> > >
> > > Script returns (as expected):
> > > ----------
> > > getuid: 2
> > > getgid: 5
> > > getegid: 5
> > > ----------
> > >
> > > But file created with that script has perms:
> > >
> > > -rw-r--r-- 1 operator wheel 0 Oct 9 16:16 permtest
> > >
> > > So it looks like the setgid not works ?
> > >
> > > Can anyone help ?
> > >
> > > Bambero
> >
> > On *BSD systems, the group owner of a file is inherited from the directory.
> >
> > -Otto
