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Date:      Wed, 9 May 2001 09:38:50 -0700
From:      Kris Kennaway <kris@obsecurity.org>
To:        Peter Pentchev <roam@orbitel.bg>
Cc:        Rasputin <rara.rasputin@virgin.net>, Paul Herman <pherman@frenchfries.net>, security@FreeBSD.ORG
Subject:   Re: setkey(3) not present in the system
Message-ID:  <20010509093849.B40205@xor.obsecurity.org>
In-Reply-To: <20010509143455.C44191@ringworld.oblivion.bg>; from roam@orbitel.bg on Wed, May 09, 2001 at 02:34:55PM %2B0300
References:  <20010509104313.A47276@dogma.freebsd-uk.eu.org> <Pine.BSF.4.33.0105091234310.79177-100000@husten.security.at12.de> <20010509114907.A48960@dogma.freebsd-uk.eu.org> <20010509135318.B44191@ringworld.oblivion.bg> <20010509042107.A36279@xor.obsecurity.org> <20010509143455.C44191@ringworld.oblivion.bg>

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On Wed, May 09, 2001 at 02:34:55PM +0300, Peter Pentchev wrote:

> > There's something nonstandard about the way it's linking which is
> > triggering all of the __warn_references() in libc regardless of
> > whether or not the code actually uses those "dangerous" functions -- I
> > don't know what it is, but I've seen it a lot in ports.  It's probably
> > a bug which should be fixed.
>=20
> Nothing non-standard; the one about setkey() is triggered by just trying
> to resolve setkey against libc's setkey symbol; similarly for the f_preal=
loc()
> one.  It's just that these warnings would never be triggered if the linker
> saw these symbols in another library, and saw no need to touch these part=
icular
> object files within libc.

Yes, I know you get the __warn_references() if you use a libc function
which has a __warn_references() line -- what happens here is that you
ALSO get *all* __warn_references() present in the entire library, even
if you don't use *any* of those functions, if you do the Weird Linker
Thing.

Kris

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