topic Re: Device assignment database in Operating System - HP-UX

Device assignment database

Angel_15 — Thu, 10 Jul 2003 05:27:34 GMT

Hello
How I can add,change,delete items in device assignment database using SAM?

Thanks.

Re: Device assignment database

Ollie R — Thu, 10 Jul 2003 05:49:52 GMT

Hi,

What do you mean exactly by "device assignment database"?

Re: Device assignment database

Michael Tully — Thu, 10 Jul 2003 05:49:59 GMT

There is no actual database as such.
A device is generated from the major an minor number depending on it's device class and hardware address. SAM follows these rules as well.

See the man page on 'lsdev' for the major numbers.
See the man page on 'lssf' for minor numbers.

Running 'ioscan -fn' as root will list all the currently attached hardware(s) addresses.

Re: Device assignment database

Angel_15 — Thu, 10 Jul 2003 06:20:43 GMT

I have a trusted system ,and I want have Device-Based Acces Control; but I need modify the device assignment database using SAM.
Anybody knows how I can do it?

Thanks.

Re: Device assignment database

Ollie R — Thu, 10 Jul 2003 06:33:44 GMT

Hi,

Are you talking about controlling who can login where? Or are you talking about printing?

I'm still confused as to exactly where we're going with this.

Ollie.

Re: Device assignment database

Angel_15 — Thu, 10 Jul 2003 06:44:24 GMT

I'm talking about who can login for a device.
In a trusted system this is possible with device assignment database. I need know how modify it with SAM.
Thanks.

Re: Device assignment database

Ollie R — Thu, 10 Jul 2003 07:10:33 GMT

Hi,

OK, that's a bit clearer - you're talking about the "/tcb/files/ttys" file I think.

I don't know of any way to manipulate this is SAM - sorry!

Refer to "man ttys" for details of how to do it manually.

Ollie.

Re: Device assignment database

Darren Prior — Thu, 10 Jul 2003 07:42:15 GMT

Hi,

The file you are discussing is /tcb/files/devassign. I'm not aware of a way of editing it from within SAM. You'll need to edit the file manually. The man page for devassign explains the format of the file.

Ollie - just a quick fyi: the ttys file is really the counterpoint of the devassign file. Devassign sets who can login at a given tty, whereas ttys shows who logged in there last and when. :)

regards,

Darren.

Re: Device assignment database

Ollie R — Thu, 10 Jul 2003 07:46:43 GMT

Hi,

Thanks Darren!

I was just spouting what I'd learned in the last 10 minutes by digging around.

Ollie.