Date: Sat, 24 Jul 1999 15:02:55 +0930 From: Greg Lehey <grog@lemis.com> To: jkoshy@FreeBSD.ORG Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: deny ktrace without read permissions? Message-ID: <19990724150255.S84734@freebie.lemis.com> In-Reply-To: <199907240512.WAA19120@freefall.freebsd.org>; from jkoshy@FreeBSD.ORG on Fri, Jul 23, 1999 at 10:12:29PM -0700 References: <199907240512.WAA19120@freefall.freebsd.org>
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On Friday, 23 July 1999 at 22:12:29 -0700, jkoshy@FreeBSD.ORG wrote: > > > PR bin/3546 asks that `ktrace(1)' not be allowed on files that do not have > read permissions for the user attempting to execute them. > > The intent of this change is to prevent a user from seeing how an > executable with '--x--x--x' perms works by ktrace'ing its execution. > > My question to the -hackers is: is this a useful semantic? Yes, I think so. > Would it break anything if added? Not that I can think of. But that doesn't mean anything. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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