Access on objects to public

Dear all,
10.2.0.5 on solaris 10
Audit team had raised the below issue.
that several database packages including “UTL_FILE”, “UTL_HTTP”, “UTL_SMTP”,
“DBMS_JOB” and “DBMS_SCHEDULER” are granted execute access to “PUBLIC”. When I revoked the privileges from public, the object XDB.DBMS_XMLPARSER became errored and our application started throwing the error :XDB.DBMS_XMLPARSER has errors. after the revoke, I was monitoring the invalid objects in the database using the command
select object_name from dba_objects where status='INVALID' order by last_ddl_time desc;Why the above commmand doesn't show XDB.DBMS_XMLPARSER as invalid. ?
Anyway, I resolved using the note : 247093.1 Be Cautious When Revoking Privileges Granted to PUBLIC
Thanks
Kai

To throw the objects using the right mouse button, drag the following library scripts on to your 3D sprite and set their parameters:
Push Model [from Havok --> Control]
Mouse Right [from 3D --> Triggers]
To prevent button conflicts, you need to remove the rightMouseDown and rightMouseUp handlers from the Move Model script. Then you need you remove the mouseDown and mouseUp handlers from the Push Model script.
In the Push Model script, edit the rightMouseDown handler to the following:
on rightMouseDown(me)
  -- add your movable models here 
  tModelList = [pMember.model("proxy box"), pMember.model("proxy sphere")]
  tOptionsList = [#levelOfDetail: #simple, #modelList: tModelList, #maxNumberOfModels: 1]
  tClickedModels = pSprite.camera.modelsUnderLoc(the mouseLoc - point(pSprite.left, pSprite.top), tOptionsList) 
  if tClickedModels.count then
    pClickedModel = tClickedModels[1]
  else
    pClickedModel = VOID
  end if
end rightMouseDown
Then edit the rightMouseUp handler to the following:
on rightMouseUp(me)
  pClickedModel = 0
  pAttached = false
end rightMouseUp
And hopefully that should solve your problems.

Similar Messages

  • Allowing access to select few public objects (moved from Native forum)

    I am moving my posting from Java Forums > Fundamentals > Key Classes > Native forum to this one. Sorry for posting it on the wrong forum earlier. Before each reply I have added a lien for clarity.
    Allowing access to select few public objects
    Author: COOLNM Posts: 5 Registered: 12/21/05
    Dec 21, 2005 9:59 AM
    I am developing a java application. I need to provide some scripting support (using Jython or Rhino) to my application so that the user can better use my application. Now the problem is I just want a select few public objects to be accesible via scripts and not all public objects I have written internally. I read somewhere that class name and code obfuscation could be a option but not a full proof solution. Can anyone suggest how a full proof solution can be achieved? Would running the script interpreter in seperate JVM help (and propogate the calls to the original JVM) ? Would a custom class loader help? Please suggest.
    Thanks,
    COOLNM
    Re: Allowing access to select few public objects
    Author: IanSchneider Posts: 1,381 Registered: 10/26/00
    Dec 21, 2005 10:14 AM (reply 1 of 10)
    I read somewhere that class name and code obfuscation could be a option but not a full proof solution.Correct, someone could still can call obfuscated methods.
    Would running the script interpreter in seperate JVM help (and propogate the calls to the original JVM) ?No.
    Would a custom class loader help? Possibly depending upon how the interpreter dispatches calls.
    Can anyone suggest how a full proof solution can be achieved?With jython, you could write custom PyObject subclasses (or general java facade classes) to expose only the methods you want to. The former technique allows more cool scripting functionality, the latter would presumably work in other interpreters. This would have to be done for every object you want to expose.
    Alternatively, you could enable a SecurityManager and allow only trusted code to invoke yours.
    Re: Allowing access to select few public objects
    Author: COOLNM Posts: 5 Registered: 12/21/05
    Dec 21, 2005 9:36 PM (reply 2 of 10)
    I read somewhere that class name and codeobfuscation could be a option but not a full proof
    solution.
    Correct, someone could still can call obfuscated
    methods.
    Would running the script interpreter in seperate JVMhelp (and propogate the calls to the original JVM) ?
    No.Could you please explain why this wouldn't work?
    The plan is:
    Let say I have 2 public objects A & B and I want the user to only use A via their scripts.
    In JVM1: I use both A & B
    In JVM2: I write a psuedo A and not B. For all the methods of A, I propogate the calls to JVM1 (I think this is achievable but not sure how)
    The script interpreter runs on JVM2.
    Now if the user tries to access A then the call would go to JVM1 but if he tries to access B then there is no B available in JVM2 so the user cant access B.
    I know this method could be heavy as each call would have to go from JVM1 to JVM2.
    By sepeate JVMs I mean seperate instance of java.
    >
    Would a custom class loader help? Possibly depending upon how the interpreter
    dispatches calls.
    Can anyone suggest how a full proof solution can beachieved?
    With jython, you could write custom PyObject
    subclasses (or general java facade classes) to expose
    only the methods you want to. The former technique
    allows more cool scripting functionality, the latter
    would presumably work in other interpreters. This
    would have to be done for every object you want to
    expose.
    Alternatively, you could enable a SecurityManager and
    allow only trusted code to invoke yours.-----------------------------------------------------------------------------------------------------
    Re: Allowing access to select few public objects
    Author: allquixotic Posts: 12 Registered: 12/19/05
    Dec 22, 2005 5:09 AM (reply 3 of 10)
    RMI has a way for multiple JVMs to communicate programmatically; you could also use sockets on the loopback network device (localhost). These techniques are how mature Java products constrain their number of running instances to a finite number (usually 1), they terminate any starting JVM early in the initialization procedures of the main method if the "already-running test" indicates one is running.
    If you use the networking method, you could basically read from a ServerSocket on the "executing" JVM, while the "scripting" JVM writes to a Socket. Then use reflection in the executing (server) side to determine if the method or object being referenced is one you want to expose. If not, do something -- like write back to the client that the method invocation was invalid. Reflection will slow down your code a lot though, so I don't recommend it for apps that already take up 50 megs or more of RAM ;)
    Regards,
    Sean
    Re: Allowing access to select few public objects
    Author: IanSchneider Posts: 1,381 Registered: 10/26/00
    Dec 22, 2005 9:05 AM (reply 4 of 10)
    Would running the script interpreter in seperate JVMhelp (and propogate the calls to the original JVM) ?
    No.
    Could you please explain why this wouldn't work?It could work. I said no because the other methods are better - easier to implement and vastly more performant without wasting resources.
    Re: Allowing access to select few public objects
    Author: COOLNM Posts: 5 Registered: 12/21/05
    Dec 23, 2005 12:48 AM (reply 5 of 10)
    Ya, the seperate JVM approach seems complex and might not be fully achievable.
    Can someone give small code snippets on how the method level control be achieved using Java SecurityManager. Just a recap on what I am trying to achieve -
    A & B are two public objects defined internally by my app.
    I have to give the user of my app the ability to write some code. But only B
    is to be exposed to client and not A.
    Let say I have this code -
    Object A = Interpreter.InitializeEngine(..);
    A.executeFromUser(stdin);
    The user mostly uses some scripting language, say Python and the Interpreter
    is Jython. Now my Interpreter is capable of understanding calls to Java
    objects from Python. If the user tries to access B via the scripts then it
    should be allowed to do so but access to A should not be allowed via the
    scripting language.
    Thanks,
    Neeraj
    Re: Allowing access to select few public objects
    Author: bschauwejava Posts: 721 Registered: 1/13/04
    Dec 26, 2005 2:13 PM (reply 6 of 10)
    What you probably want is to give the user access to an interface - not a class - that only exposes the methods that you want to expose.
    This is the way all RMI APIs are exposed to client programs.
    Re: Allowing access to select few public objects
    Author: bschauwejava Posts: 721 Registered: 1/13/04
    Dec 26, 2005 2:16 PM (reply 7 of 10)
    Just one more comment. You haven't said very much about the runtime model of the scripting environment vs your java environment. How many processes do you expect to have running to make the system work? Are you expecting your java code to wind up in a jar file and get loaded by the Python process? Or are you planning on the java code executing in a separate process? If the latter, then RMI is probably your best bet.
    Re: Allowing access to select few public objects
    Author: COOLNM Posts: 5 Registered: 12/21/05
    Dec 27, 2005 4:20 AM (reply 8 of 10)
    I haven't finalized on the runtime model yet as the scripting security issue is still not resolved. But I am sure that the java app code would init and run the scripting code and not the other way round. The app is pretty huge with heavy UI. Ya, the java code would be wrapped in jars (but mostly not in a single jar as I dont want the jar to be too hefty).
    Can someone comment on the use of SecurityManager in this case. My initial investigation shows that the objective on implementing method level security can't be implemented by this.
    Re: Allowing access to select few public objects
    Author: IanSchneider Posts: 1,381 Registered: 10/26/00
    Dec 27, 2005 9:14 AM (reply 9 of 10)
    My initial reply suggested writing a facade in java or by subclass PyObject. I highly recommend this path for ease of development, use, and runtime performance.
    Given that you don't understand the basics of java security, I will recommend this again.
    Re: Allowing access to select few public objects
    Author: COOLNM Posts: 5 Registered: 12/21/05
    Dec 27, 2005 11:33 PM (reply 10 of 10)
    I have started investigating on facade in java and subclassing PyObject. But I am not sure how these would resolve the primary issue. Even if I use these and if the script writer knows that there is a public class, say XYZ in my app then he can always access that class directly skipping my subclassed PyObject or the Java facade. Or am I missing something here?

    I have started investigating on facade in java and subclassing PyObject. But I am not sure
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    skipping my subclassed PyObject or the Java facade. Or am I missing something here?Presumably your objects are somehow connected to the application. Your user could do something like:
    from com.foo import Player
    p = Player()
    p.setGold(Integer.MAX_VALUE)But of course the new Player object would not be part of the game. Now if you have some kind of static/singleton game state, then the malicious user could insert the Player into the game model...
    The real trick lies in understanding how to setup the jython interpreter. If your interpreter classloader can only load facade classes (and system classes) then the client script could not load other classes. There is also a hook for the import keyword so you could disallow importing java classes. Each interpretor instance has the ability to setup the locals and globals for the session so you can insert live game objects.
    I am only familiar with jythons internals, so this may or may not be applicable to rhino.

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    I can edit, save and run existing ABAP reports, however.
    There was a similar problem here, regarding database procedure proxies but the solution doesn't apply to my problem, i guess. The solution was about creating the shared memory area CL_RIS_SHM_AREA. I can't access the memory area and start the constructor, as it doesn't show up on the monitor.
    ADT 2.28
    Eclipse 4.3
    Netweaver 7.31 SP4 -> is this really compatible with ADT 2.28?
    Thanks in advance for helpful hints,
    Julian

    HI Julian,
    if the area doesn't show up in the monitor, please try to start the constructor in transaction SHMM on your own by selecting the icon 'Start Constructor' as shown in the screenshot.
    Choose CL_RIS_SHM_AREA as area, select 'Default Instance' and 'Dialog' as execution mode. Then press 'Create'. Either this works or the system will tell you the issue with the instance creation (e.g. insufficient shared objects memory - see the other solution description).
    Best regards, Sebastian

  • DBMS_SQL.PARSE to access remote objects

    I am using following code in a procedure ...
    DBMS_SQL.PARSE (cur, vSQL, DBMS_SQL.NATIVE);
    where variable vSQL can contain a remote object.
    A DB link (with Fixed User option) exists to access that database.
    The DB link is working. The remote object is accessible outside this procedure.
    When this command is executed, I get ...
    ORA-24374: define not done before fetch or execute and fetch
    ... error.
    Can DBMS_SQL handle remote objects?
    Oracle version is 9.2.0.5.0
    Any help would be greatly appreciated.

    Here is the code I am running ...
    CREATE OR REPLACE PROCEDURE p_sql_valid_or_not_cnt
    (vSQL IN VARCHAR2, vValid OUT NUMBER, vMessage OUT VARCHAR2, vCount OUT NUMBER) IS
    -- Purpose: Returns 0 in vvalid if SQL is valid, else returns -1. Returns row count when SQL is valid.
    -- Parameters:
    -- IN : vSQL
    -- OUT : vValid
    -- OUT : vMessage
    -- OUT : vCount
    cur INTEGER := DBMS_SQL.OPEN_CURSOR;
    fdbk INTEGER;
    BEGIN
    DBMS_SQL.PARSE (cur, vSQL, DBMS_SQL.NATIVE);
    fdbk := DBMS_SQL.EXECUTE (cur);
    vCount := 0;
    LOOP /* Fetch next row. Exit when done. */
    EXIT WHEN DBMS_SQL.FETCH_ROWS (cur) = 0;
    vCount := vCount + 1;
    END LOOP;
    vValid := 0;
    vMessage := 'No errors';
    DBMS_SQL.CLOSE_CURSOR (cur);
    END p_sql_valid_or_not_cnt;
    To run ...
    set serveroutput on
    declare
    i number;
    m varchar2(500);
    c number;
    begin
    p_sql_valid_or_not_cnt('SELECT * FROM TAB where 1 <> 1',i,m,c);
    DBMS_OUTPUT.PUT_LINE(i);
    DBMS_OUTPUT.PUT_LINE(m);
    DBMS_OUTPUT.PUT_LINE(c);
    end;
    This runs fine.
    But when I try to access an object from a remote server using DB link. I get the error ...
    set serveroutput on
    declare
    i number;
    m varchar2(500);
    c number;
    begin
    p_sql_valid_or_not_cnt('SELECT * FROM REMOTE_SCHEMA.T_REMOTE@REMOTE_SERVER where 1 <> 1',i,m,c);
    DBMS_OUTPUT.PUT_LINE(i);
    DBMS_OUTPUT.PUT_LINE(m);
    DBMS_OUTPUT.PUT_LINE(c);
    end;
    declare
    ERROR at line 1:
    ORA-24374: define not done before fetch or execute and fetch
    ORA-06512: at "SYS.DBMS_SYS_SQL", line 1125
    ORA-06512: at "SYS.DBMS_SQL", line 328
    ORA-06512: at "IMEPAS.P_SQL_VALID_OR_NOT_CNT", line 16
    ORA-06512: at line 6
    I can run the SQL that I am passing as vSQL directly in SQLPLUS ...
    This code in itself works.
    SELECT * FROM
    REMOTE_SCHEMA.T_REMOTE@REMOTE_SERVER
    where 1 <> 1;
    The user I am using to logon to my server is also there on REMOTE_SERVER.
    The DB LINK is created by CONNECTED USER option. The user on REMOTE_SERVER has explict select access on the table (not via role) I am accessing.
    Any help would be much appreciated.

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