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Re: tkprof and security?

From: Tim Sawmiller <sawmillert_at_state.mi.us>
Date: Wed, 09 May 2001 04:53:39 -0700
Message-ID: <F001.002FD932.20010509044021@fatcity.com>

trace_on.sql

REM Script to turn TRACE MODE on for a selected SID. set serveroutput ON size 2000;
set verify OFF;
DECLARE

  r_sid         NUMBER;
  v_sid         NUMBER;
  v_serial      NUMBER;
  v_username    VARCHAR(30);
  v_status      VARCHAR2(8);
  v_server      VARCHAR2(9);
  p_server_pid  VARCHAR2(9);

BEGIN
-- Accept r_sid Number 'What SID do you wish to trace? - '   r_sid := &SID;
  SELECT s.sid, s.serial#, s.status, s.server, p.spid     INTO v_sid, v_serial, v_status, v_server, p_server_pid     FROM v$session s, v$process p
   WHERE s.sid = r_sid
     AND s.paddr = p.addr;
  DBMS_OUTPUT.PUT_LINE ('Sid ' || TO_CHAR(v_sid) ||

                       '  Serial# ' || TO_CHAR(v_serial) ||
                       '  Username ' || v_username ||
                       '  Status ' || v_status ||
                       '  Server ' || v_server );
  IF v_server != 'DEDICATED' THEN
    DBMS_OUTPUT.PUT_LINE
         ('Tracing only produces valid results for a Dedicated Connection');     DBMS_OUTPUT.PUT_LINE
         ('Tracing *NOT* turned on.');
    RETURN;
  END IF;
-- Time to Turn Trace ON

   SYS.DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(v_sid, v_serial, TRUE);

  DBMS_OUTPUT.PUT_LINE ('Trace Mode is ON for '||v_sid);   DBMS_OUTPUT.PUT_LINE ('Output sent to udump/ora_'||p_server_pid||'.trc');  

EXCEPTION
  WHEN NO_DATA_FOUND THEN
    DBMS_OUTPUT.PUT_LINE ('Cannot find a session for SID '||TO_CHAR(r_sid));   WHEN OTHERS THEN
    DBMS_OUTPUT.PUT_LINE ('Error: '||SQLERRM); END;
/

traceoff.sql

REM Script to turn TRACE MODE off for a selected SID. set serveroutput ON size 2000;
set verify OFF;
DECLARE

  r_sid         NUMBER;
  v_sid         NUMBER;
  v_serial      NUMBER;
  v_username    VARCHAR(30);
  v_status      VARCHAR2(8);
  v_server      VARCHAR2(9);
  p_server_pid  VARCHAR2(9);

BEGIN
-- Accept r_sid Number 'What SID do you wish to trace? - '   r_sid := &SID;
  SELECT s.sid, s.serial#, s.status, s.server, p.spid     INTO v_sid, v_serial, v_status, v_server, p_server_pid     FROM v$session s, v$process p
   WHERE s.sid = r_sid
     AND s.paddr = p.addr;
  DBMS_OUTPUT.PUT_LINE ('Sid ' || TO_CHAR(v_sid) ||

                       '  Serial# ' || TO_CHAR(v_serial) ||
                       '  Username ' || v_username ||
                       '  Status ' || v_status ||
                       '  Server ' || v_server );
-- Time to Turn Trace OFF

   SYS.DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(v_sid, v_serial, FALSE);

  DBMS_OUTPUT.PUT_LINE ('Trace Mode is OFF for '||v_sid);   DBMS_OUTPUT.PUT_LINE ('Output is in udump/ora_'||p_server_pid||'.ora');  

EXCEPTION
  WHEN NO_DATA_FOUND THEN
    DBMS_OUTPUT.PUT_LINE ('Cannot find a session for SID '||TO_CHAR(r_sid));   WHEN OTHERS THEN
    DBMS_OUTPUT.PUT_LINE ('Error: '||SQLERRM); END;
/

>>> hamcdc_at_yahoo.co.uk 05/09/01 04:30AM >>> On a development box, 'alter session' should not cause too much harm. If you're concerned, write a package as SYS which turns on tracing for the developers session and just grant access on that...

You may want to look at _trace_files_public parameter as well so they can see their trace files.

hth
connor


Connor McDonald
http://www.oracledba.co.uk (mirrored at http://www.oradba.freeserve.co.uk)

"Some days you're the pigeon, some days you're the statue"



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Author: Tim Sawmiller
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Received on Wed May 09 2001 - 06:53:39 CDT

Original text of this message

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