Oracle DBMS_DISTRIBUTED_TRUST_ADMIN Version 18.104.22.168
Morgan's Library Page Header
Coming to OpenWorld 2018? Be sure to visit the TidalScale booth in Moscone South
and learn how to solve performance problems and lower costs with Software Defined Servers. Before you visit the booth, or if you can't
make it this year, check out TidalScale at www.tidalscale.com. Be
sure to click on the Solutions link and look through the Oracle resources.
Maintain the Trusted Servers List. These procedures are used to define whether a server is trusted. If a database is not trusted, Oracle refuses current user database links from the database
Owned by SYS with EXECUTE granted to the EXECUTE_CATALOG_ROLE role
ALLOW_ALL only applies to the servers listed as trusted at the Central Authority. DENY_SERVER provides a way to indicate that, even though allow all is indicated in the list, a specific server is to be denied.
Similarly, ALLOW_SERVER provides a way to indicate that even though deny all is indicated in the list, some specific servers are to be allowed access.
CREATE OR REPLACE FORCE VIEW ku$_trlink_view
OF ku$_trlink_t WITH OBJECT IDENTIFIER(name) AS
SELECT '1', '0', tl.dbname,
DECODE(tl.dbname, '+*', 'DBMS_DISTRIBUTED_TRUST_ADMIN.ALLOW_ALL',
'-*', 'DBMS_DISTRIBUTED_TRUST_ADMIN.DENY_ALL', fdef.function),
DECODE(tl.dbname, '+*', 0, '-*', 0, 1)
FROM sys.trusted_list$ tl, (
'-*', 'DBMS_DISTRIBUTED_TRUST_ADMIN.ALLOW_SERVER') FUNCTION
WHERE dbname like '%*') FDEF
WHERE (SYS_CONTEXT('USERENV','CURRENT_USERID') = 0
OR EXISTS (SELECT * FROM session_roles WHERE role='SELECT_CATALOG_ROLE'));