Date: Sun, 03 Mar 2002 20:23:21 +0000 From: David Malone <dwmalone@maths.tcd.ie> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: cjclark@alum.mit.edu, current@FreeBSD.ORG Subject: Re: devfs(5) Permissions Message-ID: <200203032023.aa92755@salmon.maths.tcd.ie> In-Reply-To: Your message of "Sun, 03 Mar 2002 21:16:59 %2B0100." <25568.1015186619@critter.freebsd.dk>
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> >Do you have any designs for this ruleset stuff? From what you said > >at BSDconEurope it will have to be fairly complicated to achieve > >the your aim of being better than a static permission for a given > >device. > Not really, the basic idea is just a linked list of rules: > name=="/dev/uscanner*" -> chmod 0644 > driver=="bpf" -> chown user > It's not too much work, I just havn't had the time for it yet. > (Junior Kernel Hackers can apply here :-) OK - I thought you had something much more complex in mind after your example: "plugging the nuclear reactor into the serial port where you had a a modem plugged in yesterday". I presume you'd push the rules in using sysclt or did you have something more filesystem like in mind? > >Otherwise, one option would just be to have devfs check for a file > >in the /dev directory it is mounted over and then use that files > >permissions as a default. That would at least get us back the > >features of the old /dev which we're missing now. > This is much harder than you think... I didn't for a moment think it might be easy ;-) David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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