Date: Tue, 24 Oct 1995 06:17:58 +0300 (MSK) From: =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= (aka Andrey A. Chernov, Black Mage) <ache@astral.msk.su> To: Nate Williams <nate@rocky.sri.MT.net> Cc: ache@freefall.freebsd.org, freebsd-hackers@freebsd.org, "Justin T. Gibbs" <gibbs@freefall.freebsd.org> Subject: Re: ld.so, LD_NOSTD_PATH, and suid/sgid programs Message-ID: <Woch5Zm4S1@ache.dialup.demos.ru> In-Reply-To: <199510240245.UAA24602@rocky.sri.MT.net>; from Nate Williams at Mon, 23 Oct 1995 20:45:55 -0600 References: <199510240014.RAA21318@aslan.cdrom.com> <Dah73Zm0GT@ache.dialup.demos.ru> <199510240245.UAA24602@rocky.sri.MT.net>
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In message <199510240245.UAA24602@rocky.sri.MT.net> Nate Williams
writes:
>I agree, and it appears that David and John P. are also in agreement.
Well, I and Terry in agreement :-)
>Since it is a very recent addition, as Justin pointed out that if they
>are knowledgable enough to use it, they should know how to use it.
Hackers always know and will use it.
>One, I find it hard to believe a program will work because it's in
>memory even though the shlibs can't be found, and secondly any script
Want experiment? Well. Start tcsh (it is dynamic). Then
remove ld.so.hints or use ldconfig -s. You still can prefectly
works in shell, but all share binaries dumps core.
Don't forget to reboot after.
>that needs to know that the programs it calls are linked static/shared
>is completely unportable.
I agree. As I already mention, all previously existen and working secure
shell scripts becomes completely unportable, if my fix not be commited.
>If you can't give a specific and useful example of *why* it's a good
>reason to do, I'm backing out the change with the speedup changes I'll
>be committing as soon as my tests complete.
Well, I send this script already two times. Want yet once?
--
Andrey A. Chernov : And I rest so composedly, /Now, in my bed,
ache@astral.msk.su : That any beholder /Might fancy me dead -
http://dt.demos.su/~ache : Might start at beholding me, /Thinking me dead.
RELCOM Team,FreeBSD Team : E.A.Poe From "For Annie" 1849
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