On Tue, Dec 02, 2008 at 01:53:56PM +0000, Paul Black wrote: > 2008/12/2 Wildemar Wildenburger wrote: > > > And if you absolutely have to use the device files, then you could > > always change their permissions. Not that that's recommended, just > > saying. > > > Changing permissions is not wise as it allows a user to bypass filesystem > permissions. > > A possibility is for the OP to read up on setuid and setgid; that offers the > potential to restrict a user to what a program will allow rather than > allowing unfettered access to a device (assuming no security holes in the > application). I think most programmers tend to make it the user's prerogative to run the program using 'sudo' or 'su -c' to inherit the proper privileges. In other words, the permission error you're getting is something normal users should expect when they try to run against a device to which they don't have access. Elevating their privilege automatically inside a program is generally frowned upon. -- Paul W. Frields http://paul.frields.org/ gpg fingerprint: 3DA6 A0AC 6D58 FEC4 0233 5906 ACDB C937 BD11 3717 http://redhat.com/ - - - - http://pfrields.fedorapeople.org/ irc.freenode.net: stickster @ #fedora-docs, #fedora-devel, #fredlug
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