DragonFly kernel List (threaded) for 2003-09
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Re: Veriexec
On Thu, Sep 18, 2003 at 11:12:32AM +0200, Miguel Mendez wrote:
: Hi Matt and the rest,
:
: I've seen some interest in prebinding for DragonFly. IMHO the gain is
: not that big, but YMMV. What I'd like to see is something like NetBSD's
: veriexec (http://members.optusnet.com.au/~blymn/veriexec_announce.html).
: What do you think, worth doing? If people are interested I will start
: porting/implementing it to DragonFly.
:
: Cheers,
Hmm, I have not investigated this much, but I wonder if Pawel's
(talented author of Geom Gate!) Cerb framework can be used for
executable checksumming; since the framework can intercept
system calls, it is probably possible to look into exec() and
friend's arguments, and then use that for checksumming
somehow... hmm, it's just an idea that crossed my mind...
FWIW, I was once working on this Binary checksumming stuff, but
then lost interested in it for whatever reasons (further
education etc...). One of the things that I was kind of not
keen about is how demand paging is thrown out of the window with
this code. I am not saying I am against it or anything... ;-)
Regards,
--
Hiten Pandya
hmp@xxxxxxxxxxx
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