Logon Trigger - Question
Hi,
I'm a beginner on the Oracle technology and I'm trying add a step on my logon trigger that avoids that the same user connects twice to the database using PL/SQL Developer.
Here what I'm doing:
VUSER := UPPER(SYS_CONTEXT('USERENV', 'SESSION_USER'))
VPROGRAM := UPPER(SYS_CONTEXT('USERENV', 'MODULE'))
SELECT COUNT(*) INTO N_SESSION
FROM V$SESSION
WHERE USERNAME = UPPER(SYS_CONTEXT('USERENV', 'SESSION_USER'));
IF VUSER NOT IN ('SYS','SYSTEM') AND N_SESSION >= 2 AND VPROGRAM LIKE 'PLSQLDEV%' THEN
RAISE_APPLICATION_ERROR(-20003,
'Access to database ' ||
UPPER(SYS_CONTEXT('USERENV', 'DB_NAME')) ||
' denied for this application');
END IF;
For some reason, it's not working.
Do you guys know what I should do?
Thanks
The trigger works fine in principle:
CREATE OR REPLACE TRIGGER after_logon_trg
AFTER LOGON
ON DATABASE
DECLARE
n_session INTEGER;
BEGIN
SELECT COUNT ( * )
INTO n_session
FROM v$session
WHERE username = UPPER (SYS_CONTEXT (
'USERENV',
'SESSION_USER'
IF UPPER (SYS_CONTEXT (
'USERENV',
'SESSION_USER'
)) NOT IN ('SYS', 'SYSTEM')
AND n_session >= 2
AND UPPER (SYS_CONTEXT (
'USERENV',
'MODULE'
)) LIKE
'SQL%'
THEN
raise_application_error (
-20003,
'Access to database '
|| UPPER (SYS_CONTEXT (
'USERENV',
'DB_NAME'
|| ' denied for this application'
END IF;
END after_logon_trg;
Session 1:
SQL> connect scott/tiger@oracle
Connect durchgeführt.
Session 2:
C:\>sqlplus scott/tiger@oracle
SQL*Plus: Release 11.1.0.7.0 - Production on Fr Aug 28 19:05:25 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
ERROR:
ORA-00604: Fehler auf rekursiver SQL-Ebene 1
ORA-20003: Access to database ORACLE denied for this application
ORA-06512: in Zeile 23But beware that for users with "ADMINISTER DATABASE TRIGGER" privilege the trigger will still allow the user to login !
Similar Messages
-
Newbie question for LogOn trigger and Connection String
Hi,
I would like to set certain session variables in the logon trigger. Is there a connection string attribute or some other way to pass a string or some data to the session.
regards
StefanHi,
my concrete problem is that our application only uses one user. eg. appuser . During the login process of the application the "real" user name, language and other attributes are set in a packag as global variables.
This works fine, but as soon as a usr logs on the DB without our application login then these are ofcourse not filled. My idea was to maybe to be able to enhance the connection string and to be able to pass some more information to the logon trigger.
regards
Stefan -
Logon trigger setting nls_date_format over ridden by sql developer?
Problem: Developers are inserting a Date record into a varchar field. I can't change this process right now. Non-Date info is stored here also. Would require a code change.
To simplify this, I wanted to get all the developers to insert using the same 'nls_date_format'. I had hoped to be able to centralize this by having Oracle set it in the database. I tried this by setting the database nls_date_format and with a logon trigger.
See test below. Seems to be over ridden.
Test case is with SQL Developer. Noticed the same thing when developers use Websphere. I think we reduce the chance for errors, if I can handle this in the database. However, my nls_date_format settings are getting over ridden.
1. s et database parameter nls_date_format to YYYY-MM-DD HH24:MI:SS , this gets over riden by SQL Developer/Websphere
2. Created a trigger with an 'alter session', but this seems to get over ridden also.
Please see test case below:
Oracle 11.2.0.3
test logging: SQLPLUS locally on the unix server, then log in using SQL Developer which is installed on my laptop.
SQL Developer NLS_DATE_FORMAT : YYYY-MON-DD HH24:MI:SS , This is different for test purposes
I have auditing turned turned on to db,extended with 'audit all by 'user' by access;' for test purposes to get more info.
create table test (username varchar2(30),sid number,mytest varchar2(300),insert_date date);
create or replace
TRIGGER LOGINTRG
AFTER LOGON ON DATABASE
BEGIN
insert into test select user, sys_context('USERENV','SID') ,value,sysdate from v$parameter where name = 'nls_date_format';
EXECUTE IMMEDIATE 'ALTER SESSION SET NLS_DATE_FORMAT=''YYYY-MM-DD HH24:MI:SS''';
insert into test select user, sys_context('USERENV','SID') ,value,sysdate from v$parameter where name = 'nls_date_format';
commit;
END LOGINTRG;
/Results/Questions
1. When I select from 'test', I confirm that my NLS_DATE_FORMAT is the same both before and after the alter session.
2. select value from v$parameter where name = 'nls_date_format'
output: YYYY-MON-DD HH24:MI:SS (so sql developer is over riding this);
3. select * from dba_audit_trail where username = 'MYUSER' order by timestamp desc;
The SQLs from the logon trigger are not captured. how do I capture logon trigger sqls? Not a huge deal, just curious
4. I do not see any alter sessions issued by my user. shouldn't audit all by access capture that? how could my session nls_date_format change without an alter session?
Edited by: Guess2 on Apr 22, 2013 10:44 AM>
Problem: Developers are inserting a Date record into a varchar field.
>
No - they aren't. That is physically impossible. The only thing that can be stored in a 'varchar field' is a string. Oracle considers ANYTHING stored in a character column to be a string.
Date values are stored in DATE columns. Perhaps you meant that developers are converting DATE values to strings and then storing the string in a 'varchar field'?
>
I can't change this process right now. Non-Date info is stored here also.
>
WONDERFUL! Why use a column to stored just one type of data? That is extremely wasteful. Hopefully you store strings that represent numbers in that same column also? It makes the data model so much easier to understand if developers only need to learn one datatype.
>
Would require a code change.
>
The horror!
You should never, ever, EVER use a code change to fix a problem if there is even the slightest possibility that you can change the ENTIRE DATABASE instead.
I've got good news though. You are now on version Oracle 11.2.0.3 and Oracle, after months of protests by some of their largest clients, has finally dropped the exhorbitant license fees for using some of the more esoteric datatypes like DATE and NUMBER.
You should suggest to your manager that they use some of the license fee money saved to hire developers that already know how to design proper data models and use those new-fangled datatypes.
Trust me - once you've made it up that steep learning curve your code will have fewer of those pesky 'dirty data' issues to deal with.
Sure - it means less job security for your current developers. But sometimes you just have to 'take one for the team'! -
Closing DBA session in AFTER LOGON trigger
Hello *,
this is my first question here and my first piece of code in oracle so please don't laugh ;-)
I'm trying to create an AFTER LOGON trigger which disconnects a user if he/she tries to log in from an incorrect host.
What should happen?
User tries to connect.
If he/she is permitted, a record is added to a table.
If not, a record is added to another table and the user is disconnected using RAISE_APPLICATION_ERROR().
After a number of issues I've got it working, except ... I have the feeling that RAISE_APPLICATION_ERROR() doesn't effect users with DBA privileges.
Finally, I'm testing it with one ordinary user - DEF.
The main idea is to disallow connections from user ABC which has DBA privileges.
Tests using DEF are successful but when ABC tries to log in from an incorrect host, a record is added in pcbaudit_failed_logins but the user is not disconnected.
The database is 9.2.0.8.0 and I'm prepared to post RDA report if it is required.
Thank you for your help in advance - I hope I was kind enough :P
Here's the code for the trigger:
DROP TABLE pcbaudit_users;
CREATE TABLE pcbaudit_users (username VARCHAR2(32) NOT NULL, host VARCHAR2(64) NOT NULL);
CREATE INDEX idx_pcbaudit_users_username ON pcbaudit_users(username);
CREATE INDEX idx_pcbaudit_users_host ON pcbaudit_users(host);
DROP TABLE pcbaudit_logins;
CREATE TABLE pcbaudit_logins (username VARCHAR2(32), ip_address VARCHAR2(15), host VARCHAR2(64), ts DATE);
DROP TABLE pcbaudit_failed_logins;
CREATE TABLE pcbaudit_failed_logins (username VARCHAR2(32), ip_address VARCHAR2(15), host VARCHAR2(64), ts DATE);
CREATE OR REPLACE PUBLIC SYNONYM pcbaudit_users FOR sys.pcbaudit_users;
CREATE OR REPLACE PUBLIC SYNONYM pcbaudit_logins FOR sys.pcbaudit_logins;
CREATE OR REPLACE PUBLIC SYNONYM pcbaudit_failed_logins FOR sys.pcbaudit_failed_logins;
GRANT SELECT ON sys.pcbaudit_users TO public;
GRANT INSERT ON sys.pcbaudit_logins TO public;
GRANT INSERT ON sys.pcbaudit_failed_logins TO public;
INSERT INTO pcbaudit_users VALUES ('SYS', '%');
INSERT INTO pcbaudit_users VALUES ('SYSTEM', '%');
INSERT INTO pcbaudit_users VALUES ('ABC', '%');
INSERT INTO pcbaudit_users VALUES ('DEF', '%');
COMMIT;
CREATE OR REPLACE
TRIGGER logon_pcbaudit_trigger AFTER LOGON ON DATABASE
DECLARE
v_username VARCHAR2(32); /* variable that will hold current username */
v_host VARCHAR2(4000); /* variable that will hold current host */
v_allowed NUMBER(1) := 0;
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
SELECT UPPER(USER), /* current user */
UPPER(SYS_CONTEXT('USERENV', 'HOST')) /* current user host */
INTO v_username,
v_host
FROM dual;
/* debug */
-- DBMS_OUTPUT.PUT_LINE(v_username || '@' || v_host);
SELECT 1
INTO v_allowed
FROM pcbaudit_users
WHERE UPPER(username) = v_username
AND (
UPPER(REPLACE(v_host, CHR(0), '')) LIKE UPPER(host) ESCAPE '!' /* fuck that shit! Something appends CHR(0) to its host... */
OR
v_host IS NULL /* fuck that shit! Some hosts are NULLs! */
/* write log (user has logged in!) */
INSERT
INTO pcbaudit_logins
(username, ip_address, host, ts)
VALUES
(v_username, SYS_CONTEXT('USERENV', 'IP_ADDRESS'), v_host, SYSDATE);
COMMIT;
EXCEPTION
WHEN NO_DATA_FOUND THEN /* occurs when no matches were found; i.e. current username is not permitted to login from the current host */
/* log the failed attempt */
INSERT
INTO pcbaudit_failed_logins
(username, ip_address, host, ts)
VALUES
(v_username, SYS_CONTEXT('USERENV', 'IP_ADDRESS'), v_host, SYSDATE);
COMMIT;
/* disconnect user */
RAISE_APPLICATION_ERROR(-20001, v_username || '@' || v_host || ' is not allowed to connect.');
WHEN OTHERS THEN
NULL; /* in this case, NULL is better than an error - if an error occurs, user will not be able to login. */
END;Thank you for your reply!
The situation is quite complicated.
I am aware that a user with DBA privileges can drop the trigger, modify it, etc.
There's an application on top of it and (i don't know why) it requires dba privileges. The point is, there are developers with access to the production database and my task is to stop them from logging in with this username.
Since I'm creating a trigger, I've obviously have no other choice. I can't change the user's password because of number of reasons, I can't deny developers' IP addresses using sqlnet.ora because they need read-only access and so on.
I realize that this is not the way that things are being done (development cycle), but I have no other choice.
So, is there any other way? -
Hi Expert,
I am using below code for disabling user for from access through Management Studio:-
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TRIGGER [blocker]
ON ALL SERVER
FOR LOGON
AS
BEGIN
if app_name() = 'Microsoft SQL Server Management Studio' and (original_login() = 'Test' or original_login() = 'Test1' or originial_login = 'Test3')
Begin
rollback transaction
END
End
GO
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO
DISABLE TRIGGER [blocker] ON ALL SERVER
GO
Same LoginID is used with other applications but I want to revoke access through SQL
After enable it i see performance impact on my server.so please tell me where am i doing wrong.
ThanksTo start with, that trigger is not going to stop anyone from logging in from SSMS. The application name for a query window is "Microsoft SQL Server Management Studio - Query", or more precisely that is the default. The user can freely set any name
he wishes on the tab Additional Connection Parameters, which you find through the option button. And why only prevent SSMS? What if they use SQLCMD? Old Query Analyzer? Excel?
If you want users to only connect through the application, this requires some work with the application design.
As for your question, without knowing anything about your system and not knowing what
performance impact on my server means in more detail, it is not entirely easy to assess your question. But if your application frequently runs queries and uses the connect-run query-disconnect (but leave in pool) pattern which is the norm, I can see
that the logon trigger can hurt.
Erland Sommarskog, SQL Server MVP, [email protected] -
Logon trigger not working over DB-Link?
Hi all,
I have a serious question about accessing tables over a database link.
I have three schema:
DATA@SOURCE
INTERFACE@SOURCE
WORK@TARGET
Schema DATA has one table called T1
The INTERFACE schema has select privileges on all tables from DATA. Furthermore schema INTERFACE has a logon trigger to change the "current schema" to DATA:
CREATE OR REPLACE TRIGGER TRG_A_LOGIN_SET_SCHEMA AFTER LOGON
ON INTERFACE.SCHEMA
BEGIN
execute immediate 'ALTER SESSION SET CURRENT_SCHEMA = DATA';
END;
The WORK schema has a database link to the INTERFACE schema called INT_DB_LINK.
I am now logged into schema WORK on the TARGET database and I am executing following statement:
select a from T1@INT_DB_LINK
-> it's working
Next I execute
declare
cursor c is
select a
from T1@INT_DB_LINK
where rownum<2;
begin
for r in c loop
null;
end loop;
end;
This is not working. Error message is ORA-000942: table or view does not exist.
But why?
Can anyone help me?
Thanks in advance
PyHi all,
after a long, very long search I found what caused this strange behaviour.
The ORA- Error was not raised by the SQL-Execution-Engine but by the SQL-Parser/SQL-Validation.
As the second statement is an anonymous SQL block the Oracle Parser checks all objects dependencies before execution.
This means a connection is established from TARGET to SOURCE checking if table T1 is available. The strange thing is
that on this connection the "ALTER SESSION" trigger is not fired. So the parser does not find object T1 in schema INTERFACE.
If I create an empty table T1 in INTERFACE the anonymous block gets parsed/validated and the statement is executed. But this
time the block does a normal "connect session" and the trigger is fired. This means the statements accesses the T1 table in
schema DATA. (But T1 in INTERFACE has to be existent that parse/validation works)
I don't know if this is a bug or a feature.
To workaround this I have created private synonyms in schema INTERFACE pointing to the objects in DATA.
Thanks for your help!
Py
regarding the other qestion:
Yes, permissions are granted over a role. -
Insufficient privileges using execute immediate in after logon trigger
I have an after logon trigger that executes a package/procedure in the schema it was created in.
One of the procedures runs the following:
EXECUTE IMMEDIATE 'AUDIT INSERT TABLE, UPDATE TABLE, DELETE TABLE, EXECUTE PROCEDURE BY ' || USER;
The procedure is throwing an insufficient privileges error when executing this.
However - the schema owner has audit any and audit system privileges and - the statement works fine independently.
When I login as another user this issue arises. The package/procedure are created with definers rights... So - i'm not sure why this is happenening.
Any help is appreciated.privileges acquired via ROLE do NOT apply within named PL/SQL procedures.
SQL> SET ROLE NONE
SQL> --issue AUDIT again now -
Sql server 2012 Logon trigger not working for certain logins
Hello. I created a login trigger to insert data for each login in a table, and it works for all logins except one that is format domain\login
and the login ends with the dollar sign(actual name is domain\CTXDEVDCSI1$).
I had been using varchar, but after reading other forum posts, I changed the varchar's to nvarchar's, but it still fails for that id.
The errors written to the sql server error log were the usual "login failed due to trigger execution".
I had granted insert on the rvvlogindata table in dsa to public, and only one id wasn't able to login after that.
Any suggestions would be much appreciated!
Here's the modified table ddl:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[rvvlogindata](
[sessionId] [int] NULL,
[LoginTime] [datetime] NULL,
[HostName] [nvarchar](50) NULL,
[ProgramName] [nvarchar](300) NULL,
[LoginName] [nvarchar](50) NULL,
[ClientHost] [nvarchar](50) NULL
) ON [PRIMARY]
GO
Here's the logon trigger code:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
create trigger [LOGIN_IP_RESTRICTION] on all server for logon
as
Begin
Declare @LogonTriggerData xml,
@EventTime datetime,
@LoginName nvarchar(50),
@ClientHost nvarchar(50),
@HostName nvarchar(50),
@AppName nvarchar(300)
Set @LogonTriggerData = eventdata()
set @EventTime = @LogonTriggerData.value('(/EVENT_INSTANCE/PostTime)[1]', 'datetime')
set @LoginName = @LogonTriggerData.value('(/EVENT_INSTANCE/LoginName)[1]', 'varchar(50)')
set @ClientHost = @LogonTriggerData.value('(/EVENT_INSTANCE/ClientHost)[1]', 'varchar(50)')
set @HostName = HOST_NAME()
set @AppName = APP_NAME()
insert into dsa.dbo.rvvlogindata
sessionId,
LoginTime,
HostName,
ProgramName,
LoginName,
ClientHost
select @@spid,
@EventTime,
convert(nvarchar(50),@HostName),
convert(nvarchar(300),@AppName),
convert(nvarchar(50),@LoginName),
convert(nvarchar(50),@ClientHost)
END
GO
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO
ENABLE TRIGGER [LOGIN_IP_RESTRICTION] ON ALL SERVER
GOErland, I wanted to add more info to my reply earlier today.
sp_who2 showed no blocking, activity monitor from my local PC SSMS showed no major waits or high i/o or cpu activity.
I was wondering if you have any suggestions on how to find out what was the cause of the 5+ minute wait for SSMS on the remote desktop to respond and fully come up.
I definitely can't put this in production with this hanging delay possibly occurring there.
I was connecting as read_user when it hung.
sp_who2 output at the time was:
1 BACKGROUND sa . . NULL LOG WRITER 54631 0 04/10
06:59:43
1 0
2 BACKGROUND sa . . NULL RECOVERY WRITER 8673 0 04/10 06:59:43
2 0
3 BACKGROUND sa . . NULL LAZY WRITER 300691 0 04/10
06:59:43
3 0
4 BACKGROUND sa . . NULL RESOURCE MONITOR 1207010 0 04/10 06:59:43
4 0
5 BACKGROUND sa . . NULL XE TIMER 38828 0 04/10
06:59:43
5 0
6 BACKGROUND sa . . NULL XE DISPATCHER 1404 0 04/10
06:59:43
6 0
7 BACKGROUND sa . . master SIGNAL HANDLER 0 0 04/10 06:59:43
7 0
8 BACKGROUND sa . . NULL LOCK MONITOR 179978 0 04/10
06:59:43
8 0
9 sleeping sa . . master TASK MANAGER 0 11 04/21
08:37:04
9 0
10 sleeping sa . . master TASK MANAGER 0 0 04/10
06:59:44
10 0
11 BACKGROUND sa . . master TRACE QUEUE TASK 546 0 04/10 06:59:44
11 0
12 BACKGROUND sa . . NULL SYSTEM_HEALTH_MO 4930 0 04/10 06:59:44
12 0
13 BACKGROUND sa . . NULL RECEIVE 422 0 04/10
06:59:45
13 0
14 BACKGROUND sa . . master CHECKPOINT 79137 31811 04/10
06:59:46
14 0
15 BACKGROUND sa . . master TASK MANAGER 1606 0 04/10
06:59:46
15 0
16 BACKGROUND sa . . NULL UNKNOWN TOKEN 0 0 04/10 06:59:46
16 0
17 sleeping sa . . master TASK MANAGER 0 74 04/21
08:37:04
17 0
18 sleeping sa . . master TASK MANAGER 0 0 04/21
08:18:49
18 0
19 sleeping sa . . master TASK MANAGER 0 0 04/21
08:30:29
19 0
20 sleeping sa . . master TASK MANAGER 0 1 04/21
08:37:14
20 0
21 sleeping sa . . master TASK MANAGER 0 7 04/21
08:30:59
21 0
22 sleeping sa . . master TASK MANAGER 16 4 04/21
08:37:44
22 0
23 sleeping sa . . master TASK MANAGER 0 15 04/21
08:39:24
23 0
25 BACKGROUND sa . . master BRKR EVENT HNDLR 0 95 04/10 06:59:48
25 0
30 BACKGROUND sa . . master BRKR TASK 0 0 04/10
06:59:48
30 0
31 BACKGROUND sa . . master BRKR TASK 16926 0 04/10
06:59:48
31 0
32 BACKGROUND sa . . master BRKR TASK 0 0 04/10
06:59:48
32 0
34 BACKGROUND sa . . master BRKR TASK 10701 0 04/10
06:59:48
34 0
51 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
03:16:56
51 0
52 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
52 0
53 sleeping NT AUTHORITY\SYSTEM SQLDEV2012 . msdb AWAITING COMMAND 0 0 04/10
06:59:58 SQLAgent - Email Logger 53 0
54 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:51 Citrix:Broker#1 54 0
55 sleeping edit_user ASDEV1 . dsa AWAITING
COMMAND 0 0 04/21 08:55:27 jTDS
55 0
56 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
56 0
57 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
57 0
58 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
58 0
59 sleeping NT AUTHORITY\SYSTEM SQLDEV2012 . msdb AWAITING COMMAND 124 242 04/10
06:59:59 SQLAgent - Generic Refresher 59 0
60 sleeping NT AUTHORITY\SYSTEM SQLDEV2012 . msdb AWAITING COMMAND 2790 1160 04/21
08:55:00 SQLAgent - Job invocation engine 60 0
61 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
61 0
62 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
62 0
63 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
63 0
64 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
64 0
65 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
65 0
66 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
03:16:56
66 0
67 sleeping reports_adm REPORTSDEVSI2 . JBOSS_Cluster_CRServer2011 AWAITING COMMAND 0 0 04/21
08:52:12 jTDS
67 0
68 sleeping edit_user DCMA10685 . dsa AWAITING COMMAND 0 0 04/21
08:56:47 jTDS
68 0
69 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:49 Citrix:Configuration 69 0
70 sleeping rvanveen DCMA8460 . master AWAITING COMMAND 1794 7120 04/21
08:51:37 Microsoft SQL Server Management Studio 70 0
71 sleeping xsp_user XSPDEVSI2 . xspv5 AWAITING COMMAND 0 0 04/21
08:58:52 .Net SqlClient Data Provider 71 0
72 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:56:01 Citrix:Monitor 72 0
73 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:30 Citrix:Monitor 73 0
74 sleeping rvanveen DCMA8460 . master AWAITING COMMAND 16 2 04/21
08:53:37 Microsoft SQL Server Management Studio - Query 74 0
75 sleeping rvanveen DCMA8460 . loginaudit AWAITING COMMAND 0 22 04/21
08:50:29 Microsoft SQL Server Management Studio - Query 75 0
76 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
07:05:07
76 0
77 sleeping adm_jbossportal ASDEV1 . jbossportal AWAITING
COMMAND 0 0 04/21 08:40:27 jTDS
77 0
78 sleeping rvanveen DCMA8460 . master AWAITING COMMAND 110 542 04/21
08:46:17 Microsoft SQL Server Management Studio - Query 78 0
79 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
07:05:56
79 0
80 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:54 Citrix:MachineCreation 80 0
81 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
08:08:29
81 0
82 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
07:02:13
82 0
83 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
07:02:15
83 0
84 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:44 Citrix:Monitor 84 0
85 sleeping edit_user INFADEVFS2 . dsa AWAITING COMMAND 0 0 04/21
07:11:05
85 0
86 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:53 Citrix:AdIdentity 86 0
87 sleeping DAIWA_USA\admsql SQLDEV2012 . master AWAITING COMMAND 15 2 04/21
08:56:20 Microsoft SQL Server Management Studio - Query 87 0
88 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:36 Citrix:SiteServices 88 0
89 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:42 Citrix:Host 89 0
90 sleeping AMERICAS\CTXDEVDCSI1$ CTXDEVDCSI1 . CitrixXDFarm1 AWAITING COMMAND 0 0 04/21
08:58:47 Citrix:ConfigurationLogging 90 0
91 RUNNABLE rvanveen DCMA8460 . master SELECT INTO
15 51 04/21 08:58:46 Microsoft SQL Server Management Studio - Query 91 0
92 sleeping rvanveen DCMA8460 . master AWAITING COMMAND 63 30 04/21
08:52:34 Microsoft SQL Server Management Studio - Query 92 0
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AUTHENICATE SSO RAD INFO IN LOGON TRIGGER IN 10G FORM?
I've been trying to add a LOGON Trigger to my Oracle 10g Form to check my RADs after logging into SSO.
I'm having a problem setting up multiple Config's for multiple RADs. I have about 7different applications that I would like to log into but would like to log into the SSO just once. But for some reason each application is asking for a SSO log in.Hi!
This is a webutil-restriction.
You cannot use webutil in triggers that fires before the form has complete focus.
Like pre-form, when-new-form-instance and on-logon triggers.
In a when-new-form-instance trigger create a timer, let's say 200 millisconds long.
In a when-timer-expired trigger you can call webutil.
May you put your configuration-file on the server and use d2kwut !
Regards. -
The logon trigger written by me is nt returing either program or module from the V$session table. Here is my trigger
create or replace trigger PROGME
after logon on database
declare
v_SCHEMANAME varchar2(30);
t_program varchar2(64);
begin
v_SCHEMANAME := SYS_CONTEXT('USERENV','SESSION_USER');
sys_context(''userenv'',''SESSIONID'')' into t_program;
logon_proc;
select MODULE
into t_program
from v$session where username = (select
(sys_context('userenv','session_user')) from dual) and
audsid= (select(sys_context('userenv','sessionid')) from dual);
RAISE_APPLICATION_ERROR (-20000,SQLERRM || T_PROGRAM);
IF v_SCHEMANAME = 'REPADMIN' AND upper(t_PROGRAM) like '%TO%' THEN
RAISE_APPLICATION_ERROR (-20000,SQLERRM || T_PROGRAM);
END IF;
exception
when others then
RAISE_APPLICATION_ERROR (-20000,SQLERRM || v_PROGRAM);
end PROGME;
Thanks in advance
RaghuEven tried rewriting like this
create or replace trigger PROGME
after logon on database
declare
v_SCHEMANAME varchar2(30);
v_USERNAME varchar2(30);
v_PROGRAM varchar2(30);
v_SESSION NUMBER;
v_SERIALNO NUMBER;
V_ssql varchar2(100);
v_count number;
t_program varchar2(64);
begin
select program
into t_program
from v$session where username = (select
(sys_context('userenv','session_user')) from dual) and
audsid= (select(sys_context('userenv','sessionid')) from dual);
RAISE_APPLICATION_ERROR (-20000,SQLERRM || T_PROGRAM);
IF v_SCHEMANAME = 'REPADMIN' AND upper(t_PROGRAM) like '%TOAD%' THEN
RAISE_APPLICATION_ERROR (-20000,SQLERRM || T_PROGRAM);
END IF;
exception
when others then
RAISE_APPLICATION_ERROR (-20000,SQLERRM || v_PROGRAM);
end trg_no_TOAD_logon; -
Logon trigger - restrict acces using Toad, SQLPLUS...
Oracle 10.2.0.4
I have users who use oracle form - ifweb90.exe.
I want to restrict them to access database using SQL Developer, TOAD or any other tools. I create logon trigger:
CREATE OR REPLACE TRIGGER block_users
AFTER LOGON ON DATABASE
begin
FOR REC IN (SELECT USERNAME,PROGRAM
FROM V$SESSION
WHERE AUDSID = USERENV('SESSIONID'))
LOOP
if rec.username like ('X%')
and
rec.program not like ('ifweb90.exe')
then
RAISE_APPLICATION_ERROR(-20001,'ERROR MESSAGE');
end if;
end loop;
END;
This solution don’t work if the program executable is renamed (this can’t be done with SQL Developer).
1. Is there any way to solve this?
2. Whether this trigger will use resources, whether this trigger will check all connection? What is the cost to pay in terms of performance?
Thanks in advance!
Edited by: user9106065 on Nov 9, 2010 3:17 AMThis solution don’t work if the program executable is renamed (this can’t be done with SQL Developer).
1. Is there any way to solve this?Better alternative would be to change your own program, set the client_application_info and check for that using logon trigger. Anything else, can then be thrown off.
2. Whether this trigger will use resources, whether this trigger will check all connection? What is the cost to pay in terms of performance?There would be negligible usage of resources.
But this trigger won't stop any connections from any tool which come in as SYSDBA. -
Multiple logon trigger for a user
Hi,
can I create two (or more) distinct logon trigger for a user? If yes, this situation is "clean"? Both triggers are executed on logon time?If you don't know what the wrapped source does
and you don't care about the order
then
clean := false ;-)
You filter access, but what if the unknkown wrapped source logs database access in some table on a user before your trigger DENIES access for that user/program?
You would try to find out what the already existing trigger does (third party software?), if you really want to be clean. -
Exporting LOGON trigger with per schema filtering
I am using the datapump on 10.2g (on linux) to export three schemas. I am using the "SCHEMA" option in the dbms_datapump.open() procedure and then using the metadata_filter with the SCHEMA_EXPR option to limit down to my three schema. I also do some data filtering after that. Works great, except...
I found that we have one LOGON trigger which is NOT getting exported. The trigger IS owned by one of the schemas i am exporting. But, I think that because this is a "system event trigger", rather than a table based trigger, it will not export using the SCHEMA export mode. True ?
I tried switching to the FULL export mode, but then I can not find a way to limit the export to the three schemas.
All the exporting/importing is being done as system, so I don't think this is a priveledge issue.
Ideas? How to datapump specific schemas and also get the system event triggers owned by those schemas ?
Thanks very much for your help.
Bill ClerySure. Here is the trigger that is NOT exporting as part of the Schema export. We have a Schema called ReportView. In that schema are many views, one table, one package, and one trigger (below). Everything except the trigger is getting exported and then imported.
CREATE OR REPLACE TRIGGER reportview.startsess AFTER LOGON ON reportview.SCHEMA
BEGIN
reportview.reportapi.AutoLoadPIT();
END startsess;
The initiation of the export was done like this
PumpHandle := dbms_datapump.open('EXPORT','SCHEMA',NULL, JobName,'LATEST');
dbms_datapump.set_parallel(PumpHandle, 1);
dbms_datapump.metadata_filter(PumpHandle, 'SCHEMA_EXPR', 'IN (''ERIKSYSCORE'',''RBSAPPCORE'',''REPORTVIEW'')');
dbms_datapump.add_file(...)
dbms_datapump.data_filter(...)
dbms_datapump.data_filter(...)
dbms_datapump.start_job(PumpHandle);
dbms_datapump.detach(PumpHandle);
I tried swtiching to the "FULL" method and using the NAME_EXPR to filter down to the same schemas, but could not get this working.
PumpHandle := dbms_datapump.open('EXPORT','FULL',NULL, JobName,'LATEST');
dbms_datapump.set_parallel(PumpHandle, 1);
dbms_datapump.metadata_filter(PumpHandle, 'NAME_EXPR', ???? ); -
Hi,
I've a view and the view is be reading by an external program.
How can i see how and how long do they communicate ?
Thanks in advance.
With best regards
NicoleHi:
If you have a testing environment (that is definitely a must have) and can modify sources the simplest way to activate trace is add a 'alter session set sql_trace=true' at the beginning of the application, then run it, and then evaluate results.
Using a logon trigger for the user the application is connecting to is another way to accomplish the same, useful when the application cannot be modified. This is an example of the same:
CREATE TRIGGER
schema_owner.logon_tg AFTER LOGON ON schema_owner.SCHEMA
BEGIN
EXECUTE IMMEDIATE 'alter session set sql_trace=true';
END;
This will produce a trace file containing all of the statements executed by the session:
Trace files go to USER_DUMP_DEST, and need to be parsed with TKPROF in order to produce readable output.
Also, check to have timed_statistics=true, so it will report timing in the trace files.
Try to produce trace files, and post if you need assistance in interpreting results.
ciao
Andrea -
Do we have ON-LOGON trigger in reports?
Hi Guys,
we use ON-LOGON trigger to connect our form to the required database in forms.
If we wanna run our report as a stand alone, how can we avoid that logon in screen, and how can in automatically logon to the required database. Is there any way to write such a trigger?
Regards,
Imran BaigHow are you running your reports?
What is reports version?
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