[printing-discuss] Re: [Inkjet-list] Device capabilities?

[Till Kamppeter]

luke.kendall at cisra.canon.com.au wrote:
>> If you use the CUPS API library, I think you will be able to handle
>> the PPD files without root permissions.
>>
> 
> Sorry, I still don't understand.  Unless the files in /etc/cups/ppd are
> publically writable?
> 
> If they're not, and I'm not the owner, or in the group, then a library
> function can't give me write permission, I thought.  I thought that
> required a setuid or setgid process to be involved.

When a non-root user changes options they do not get written into the 
PPD file, the user gets a personal ~/.lpoptions and the settings there 
override the settings in the PPD file.

    Till