> The RACROUTE Macro Reference describes the macros, but does not
provide
> much guidance on how to use them.  But it will describe the macro(s)
and
> their parameters.  You can find the book online at
http://preview.tinyurl.com/35j8xd
> 
> Note that you need to run APF-authorized to do what you want, which
may
> not be possible depending on the environment in which your code will
> run.  You should also already be familiar with doing assembler coding.
> Don't make this your first project in assembler.

I agree with all of Walt's advice and want to add a thought or two. The
first is that the RACROUTE interface (any SAF call) is generalized so
that the customer can use any underlying ESM product they want. We're
all familiar with RACF, ACF/2 and TSS but there are also home grown
solutions believe it or not. 

Each of those has different internal architecture and design models and
they can have subtle to glaring differences of opinion on the same
question, depending upon how they are configured by your security admin
folks. They are all capable of securing resources, but you can't
necessarily just ask a mindless question and deal with the answer
without knowing more than you'd like to about the ESM and the customer's
environment.

The first problem you will run into is what specific question to ask.
You can read the RACROUTE macro doc for years and still not fully grock
what is expected because the answer can be different depending on very
subtle differences in the parameters and the environment.

The second problem is how to interpret the answer. In reality all you
ever get back from a security question is "yes", "no" or "maybe". The
way you respond to those answers seems fairly clear cut for "yes" or
"no", but what do you do for a "maybe"?

One of the smartest people I have ever met (Bill Blair) has spent most
of his working life dealing with the minutiae of security systems on
z/OS and when HE says this is an area that I should not fool around in,
I take him at his word. I know I'm not man enough to tackle security
interfaces. Make your own judgment about where you stand on it.

CC

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