Ed Young wrote:
What I want to do is to execute the program as a normal user.
How can I do this?
How must I configure the system (/dev/lp0, /dev/parport0, /dev/port,
/etc/group) to allow this program to access the parallel port? I want
to do this to reduce the security issues related to running a program
as root.
I would suggest you look at the 'libpam-devperm' package. Here's what
the description says:
PAM module to change device ownership on login
This PAM module allows you to change device ownership and permissions
when a user logs in.
This is functionally equivalent with SunOS logindevperm(4).
I used this a while ago to setup ownership of devices for users who
logged in to X (runlevel 5) using gdm.
--
Sincerely
Jose Alburquerque
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