Simulating adopted authority with IFS

Hello guys,

I am trying to simulate in my ERP the adopted authority to treat IFS objets
in transparent way. I don´t want users have access to certain IFS
directories and files outside the application program.

I know that the adopted authority does not work in the IFS, but I think it
can be simulated. I am using qsysetegid(), gsysetgid() and qsysetregid() to
change the job primary group.

In addition, all IFS objects have the primary group (PGP) set with the
application's owner group (i.e. the group set with the qsysetegid API).
*PUBLIC authorization is *EXCLUDE.

I have done some tests and it seems to work fine, but I have encountered
some problems with some CL and Qshell/PASE commands. For example, EDTF or
DSPF don´t work, they need at least *X authorization on the whole directory
path.

On the other hand, the SFTP command does not work either due to an
authorization issue on the key files (for example).

Am I trying to do something impossible?

Is there any documentation on that subject?

Are the exceptions documented?

Any suggestions?

Best regards

Javier Mora