Mechanism extensions and the GSSAPI
jaltman at columbia.edu
Thu Apr 29 11:56:45 EDT 2004
Douglas E. Engert wrote:
>There may be some issues with regards to linking against shared libraries
>vs using dlopen/dlsym. Many mechglue implementations use dlopen to
>load a number of mechs.
>If the application needs to use mech specific routines, and links against
>the mech shared library, it might pickup some additional or wrong entry
>points, since the actually implementation of the mech is not really
>known until run time.
>So the mech-specific/implementation-specific "glue shim" may need to be
>their own shared or dynamic libraries and the use of dlopen with RTLD_GLOBAL
>vs RTLD_LOCAL may need to be looked at closely.
Would it make sense to have a function which returns
a reference to the mech-specific library from the gss
layer? We certainly would not want the mech specific
library to be multiply initialized. Or to accidently
load the wrong implementation of it.
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