Date: Wed, 31 Oct 2001 01:15:44 -0800 (PST) From: Lamont Granquist <lamont@scriptkiddie.org> To: <hackers@freebsd.org> Cc: <jdp@polstra.com> Subject: Re: /etc/ld.so.preload? Message-ID: <20011031010149.C24547-200000@coredump.scriptkiddie.org> In-Reply-To: <20011030230606.A35139-200000@coredump.scriptkiddie.org>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --0-998606165-1004519744=:24547 Content-Type: TEXT/PLAIN; charset=US-ASCII Sorry, that one isn't backwards compatible with the present version of the hints file. This one behaves nicer. On Tue, 30 Oct 2001, Lamont Granquist wrote: > Well, here's a short patch to add the necessarily functionality to > /var/run/ld-elf.so.hints and /usr/libexec/ld-elf.so.1. If this is > acceptable, /sbin/ldconfig would need to be patched. > > Looks like the major bug is that if you preload libraries globally you > break linux binary compatibility. > > On Tue, 30 Oct 2001, Lamont Granquist wrote: > > Is there anything in FreeBSD that gives this functionality? My reading of > > src/libexec/rtld-elf/rtld.c in both -stable and -current seems to indicate > > that there isn't any such functionality (i need the global functionality > > that LD_PRELOAD doesn't give me). I'd be willing to write a patch for it, > > but I'd need some guidance on what would be a proper way to fix it. > > > > I'm thinking of a patch to ldconfig to get /etc/ld.so.preload into the > > hints file and then to hack gethints() in rtld.c to take an argument > > indicating which path you want to return. > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > > > > --0-998606165-1004519744=:24547 Content-Type: TEXT/PLAIN; charset=US-ASCII; name=patch Content-Transfer-Encoding: BASE64 Content-ID: <20011031011544.L24547@coredump.scriptkiddie.org> Content-Description: Content-Disposition: attachment; filename=patch LS0tIGluY2x1ZGUvZWxmLWhpbnRzLmh+CVR1ZSBPY3QgMzAgMTg6Mjk6NTcg MjAwMQ0KKysrIGluY2x1ZGUvZWxmLWhpbnRzLmgJVHVlIE9jdCAzMCAxODoz MTo0NyAyMDAxDQpAQCAtNDAsNyArNDAsMTAgQEANCiAJdV9pbnQzMl90CWRp cmxpc3Q7CS8qIE9mZnNldCBvZiBkaXJlY3RvcnkgbGlzdCBpbg0KIAkJCQkJ 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