Messages in this thread | | | Date | Thu, 21 Jan 1999 09:02:49 -0800 | From | Steven Roberts <> | Subject | Re: Adding checkpointing API to Linux kernel |
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Alexander Kjeldaas wrote: > > On Tue, Jan 19, 1999 at 02:55:47AM -0600, Michael Elizabeth Chastain wrote: > > Hi Alexander, > > > > > And from time to time, security issues regarding ioctls that are not > > > checking for privileges when they should are found. A central > > > ioctl-directory is a good place to have privilege information too. > > > > This is much less frequent in 2.1 with the current uaccess.h > > implementations of copy_from_user, copy_to_user, get_user, put_user. > > At least on i386, these facilities cannot stomp on kernel memory no > > matter *what* values the user specifies. > > > > This isn't the problem. The problem is ioctl calls which should have > an capable(SOMETHING) check, but don't. Errors like that are probably > easier to spot if they are specified centrally. > > astor
speaking of ioctl's, are there any good spots to find documentaion of all of the ioctl's. sometimes I have found them in the driver src, somtimes man pages, sometimes doc directory in the general tree, etc...
Just wondering if there is any available documentation about them in a standard location.
Steve
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