On Tue, 5 Sep 2000, Arthur Korn wrote:
> > An absolute path passed to dlopen() will work and cause the least
> > security problems ([...]).
> Couldn't I just use -rpath for the same effect?
You could, but...
> AFAIK the -rpath is searched before any other locations for the libs,
> and since everything is lost anyway if somebody can manipulate the
> /lib/msyslog/ directory, it doesn't matter that ld.so theoretically
> would continue to search for the modules in the other places.
... if a module is listed in the config that is not present in
/lib/msyslog, then it would still be searched for. Things like this can
happen e.g. with package upgrades (if modules are split into a separate
file).
> BTW: I'd really like to know _why_ lintian considers rpath to be
> 'generally a bad thing'.
No idea, as...
> > ldconfig is an anachronism (from the a.out days) that should die with the
> > last a.out executable.
> Oh, well, and how will you tell ld.so where to search for lib's
> and make that symlinks without /etc/ld.so.conf and ldconfig?
... -rpath is the correct way for ELF. For anyone who is interested, see
the NetBSD ELF FAQ at http://www.de.netbsd.org/Documentation/elf.html .
Simon
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