Messages in this thread | | | Date | Thu, 7 Oct 1999 12:14:20 -0400 | From | Brendan Cully <> | Subject | Re: devfs again, (was RE: USB device allocation) |
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On Thursday, 07 October 1999 at 15:12, Sean Hunter wrote: > On Thu, Oct 07, 1999 at 01:48:43PM +0100, Jakma, Paul wrote: > > > > > > > > That would be the problem, and the devfs mount goes > > > away when you reboot, > > > I realize devfsd does something to handle (tarball-like I > > > seem to recall?), but > > > that seems less than elegant to me... > > > > there used to be hack to preserve perm's that used tar. > > > > however with the advent of devfsd that hack is gone. now you just specify > > the permissions in a config file, exact syntax i forget, but something like: > > > > /dev/sd/c0b1t3u0 PERM root.disk 664 > > /dev/sd PERM root.disk 660 > > > > etc.. and all your SCSI disks will automatically get these perm's when > > they're created, except for disk bus1id3, which get's special perms's.. etc. > > > > now that's nice. Much easier to admin, which leads to better security, etc. > > > I thought about writing this special kernel patch where you make all > these things called "files". You then assign "permissions" to them > using things called "commands". It means you can do stuff like > > chown root.disk /dev/sd/c0b1t3u0 > chmod 0664 /dev/sd/c0b1t3u0 > > Amazingly, these "files" just have these permissions after I do this. > Now that's nice. > > Then I realised that it would be _really_ great if once I'd run these > "commands" once, the "files" kept those "permissions" even after I > reboot! Its really neat, but the only problem is it already works, > and I can't find anything for my patch to do...
oh yes, you hit that one square on the head. ouch!
now, if only there were a way to have new "files" corresponding to devices appear automatically when they were added to the system, and deleted when they were removed... and if only there were a way to get around the shortage of major/minor device numbers... -- Brendan Cully <brendan@kublai.com> | OLD SKOOL ROOLZ "I hope I don't win | .-_|\ The rules say to bring a friend | / \ I don't have any" | Perth ->*.--._/
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