Am 16.07.2006 um 14:33 schrieb Simon 'corecode' Schubert:
Roland Dittel wrote:
We have a issue with dlsym() on symbols imported by a library that
was loaded with dlopen(). Our code loads the libssl with dlopen()
and then do a dlsym() on several symbols. This works for all
symbols exported by libssl itself but fails for symbols exported by
libcrypto.
[..]
func = dlsym(handle, "CRYPTO_set_id_callback");
you have to use RTLD_DEFAULT instead of handle, but I agree, this is
not in conformance with SUSv3:
That's it. Thank you very much.
Roland
The dlsym() function shall search for the named symbol in all
objects loaded automatically as a result of loading the object
referenced by handle (see dlopen()). Load ordering is used in dlsym()
operations upon the global symbol object. The symbol resolution
algorithm used shall be dependency order as described in dlopen().
The RTLD_DEFAULT and RTLD_NEXT flags are reserved for future use.
Note "in all objects loaded automatically". Good catch!
cheers
simon
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