"Face control" for applications at the opening session in the database

I need to deny access to certain applications, except written request by me (oracle forms)

I do the following

1 beforehand (form krn_start), I add line dbms_application_info.set_module ('KIKIMARA', ");
and after logon user, the module name "KIKIMARA" appears in v$ session.

2 create the trigger for logons
CREATE OR REPLACE TRIGGER AfterConnect AFTER LOGON ON DATABASE
declare
l_module_name VARCHAR (48);
l_action_name varchar (32);
BEGIN
DBMS_APPLICATION_INFO.read_module (l_module_name, l_action_name);
insert into audit_tab (l_module_name, sysdate) values;
If l_module_name not in ('KIKIMARA') then
raise_application_error (-20000, "Program error");
end if;
end;

But all the user of any application of connections and audit_tab shows a column null with current sysdate.

PS: when I start my form after module of logon user name "KIKIMARA" appears in v$ session

Help, please. SOS!

Sanjar wrote:
Question for developers - how to change the module of ORACLE FORMS before logging?

You can not set_module before logging. For an obvious reason - you are not connected :)
You can try the workaround is to use dbms_job.submit in trigger AFTER logon.
After 1 second, submit the procedure that will kill session if the module name is not KIKIMARA. This module time name must be already defined by shapes.
Unfortunately no user-friendly messages in this solution...

something like that:

in the forms after LOGON

dbms_application_info.set_module('KIKIMARA','');

On the database:

CREATE OR REPLACE TRIGGER AfterConnect AFTER LOGON ON DATABASE
DECLARE
l_job NUMBER(10);
BEGIN
 FOR x IN (SELECT audsid
                 FROM v$session
             WHERE audsid = USERENV('SESSIONID')
             AND program = 'frmweb.exe') LOOP
       DBMS_JOB.SUBMIT(l_job, 'Audit_Kill('|| x.audsid ||');', SYSDATE+1/24/60/60);  -- 1 second
       COMMIT;
  END LOOP;
END;

CREATE OR REPLACE PROCEDURE Audit_Kill (p_audsid VARCHAR2) IS
l_module_name VARCHAR(48);
l_sid NUMBER(10);
l_serial NUMBER(10);
BEGIN
 SELECT module,  SID, serial#
 INTO  l_module_name,l_sid, l_serial
 FROM v$session WHERE audsid=p_audsid AND program='frmweb.exe'
 AND ROWNUM=1;
 INSERT INTO AUDIT_TAB VALUES(l_module_name, SYSDATE );
 COMMIT;
 IF l_module_name not in  ('KIKIMARA') THEN
  EXECUTE IMMEDIATE 'alter system kill session '''||l_sid||', '||l_serial||'''';
 END IF;
END;

Tags: Oracle Development

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