> That doesn't answer my question. I'm talking about a client and server
> running on the same system with SELinux MLS policy so that getpeercon
> will return the context of the client process unless it has explicitly
> sets the socket create context . So again will postgresql if the
> sepgsql module is loaded call a function in sepgsql to compute the
> access vector for the source (getpeercon label) contexts access to the
> target context (tables context set by SECURITY LABEL) and fail the
> operation generating an AVC if access is denied because there is no
> policy?
>
Yes. You may see AVC denial/allowed message on PostgreSQL log, like:

LOG:  SELinux: allowed { create } 
scontext=unconfined_u:unconfined_r:unconfined_t:s0 
tcontext=unconfined_u:object_r:sepgsql_table_t:s0 tclass=db_table 
name="regtest_schema.regtest_table"

scontext comes from getpeercon(3),
tcontext comes from the configuration by SECURITY LABEL command.

Thanks,
--
NEC Business Creation Division / PG-Strom Project
KaiGai Kohei <kai...@ak.jp.nec.com>


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