Re: security

[Ray Olszewski]

At 09:55 AM 2/17/2004 -0800, dave wrote:
I've been runing Mandrake for a couple of years and I'm still having 
problems with groups. This is the procedure for making a group and sharing 
a subdirectory that I use.  Can someone tell me where I'm screwing 
up?  Thanks in advance

Make a folder:   mkdir /home/everyone
make group: groupadd everyone
add users gpasswd -a dave everyone
add users gpasswd -a laura everyone
change the group for the folder chgrp -R everyone /home/everyone
add write for group everyone chmod g+r /home/everyone
When I'm done with this I still can not make a folder in /home/everyone 
logged on as dave.
This step looks wrong:

        chmod g+r /home/everyone

Don't you want this to read

        chmod g+w /home/everyone
or
        chmod g+rw /home/everyone
since making a "folder" (a subdirectory in Linuxspeak) requires writing to 
the directory, not reading it?

Anyway, see what "ls -l /home |grep everyone" reports about permissions for 
/home/everyone . Even if I've got the chmod options wrong, you want to have 
the directory writable by its group ... so make sure the permissions are 
something like drwxrwxr-x.  "chmod 775 /home/everyone" should produce this.

If that's not the problem, take a look behind the curtain of the commands 
you're trying to see what is actually wrong (though the rest of the 
commands you report look OK to me). Look at (or show us) this:

        the entry in /etc/groups for "everyone"
        the output of "ls -l /home | grep everyone"
        the actual error response when userid dave executes these commands
                touch /home/everyone/sometestfile
                mkdir /home/everyone/somedirectoryname
                (or some equivalent commands ... but show both the
                exact commands and the exact errors)
Also mention if there is anything unusual about what you are doing ... for 
example, if an NFS or SMB mount is involved, or if you log in as someone 
else then su to dave, or ... you get the idea.



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