Access To Extended Stored Procedures

Jul 18, 2007

Hi,

How can I remove access to extended (xp_) stored procedures?
Is there any revoke on <stored_procedure_name> ... command? How can I generate a script of all users who have execute privileges for these procedures? Also, is there any way of restricting (instead of removing) access to those procedures?

Any help will be greatly appreciated!!!
Thanks,
Alla

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Only Functions And Extended Stored Procedures Can Be Executed From Within A Function. Sp_executesql Is A Extended Stored Prod

May 15, 2008

i have created the folowing function but keep geting an error.

Only functions and extended stored procedures can be executed from within a function.

Why am i getting this error!

Create Function myDateAdd
(@buildd nvarchar(4), @avdate as nvarchar(25))
Returns nvarchar(25)
as
Begin
declare @ret nvarchar(25)
declare @sqlval as nvarchar(3000)

set @sqlval = 'select ''@ret'' = max(realday) from (
select top '+ @buildd +' realday from v_caltable where realday >= '''+ @avdate +''' and prod = 1 )a'

execute sp_executesql @sqlval
return @ret
end

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Extended Stored Procedures

Oct 12, 1999

I'm trying to execute an exetended stored procedure from a trigger. The scenario is this: when an input occurs on a table, my trigger is fired, the extended stopred procedure is to be run, and VB app is to be notified that there is new input to process.

Problem is, I can't seem to get the XP to run. I have written a minimal DLL
with VC++ 6, has nothing but the required __GetXpVersion function and the
trigger function, as:

__declspec(dllexport) SRVRETCODE xp_InputAlarm(SRV_PROC *pSrvProc)
{ return XP_NOERROR; }

__declspec(dllexport) ULONG __GetXpVersion()
{ return ODS_VERSION; }

Pretty simple. I have defined the XP in the master database, set the properties point to the DLL. Believe everything is set up properly. However,
when an input occurs, a run-time error is generated on the XP. Attempting to execute it in Query Analyzer gives this error:

"Cannot find the function xp_InputAlarm in the library D:CustomMedInstaCert SourceInputAlarmInputAlaInputAlarm.dll. Reason: 127(The specified procedure could not be found.)."

Which I think means it can't find the proper entry point (xp_InputAlarm) in the DLL. Any help would be greatly appreciated.

mjo

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Jan 6, 2005

Is there any way I can create an SQL script on any extended stored procedures? I need to see what they do. I looked in books online, but it didn't help. Thanks.

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Jun 13, 2001

I am working with Visual Basic and SQL Server 2000. I am looking to convert some of the VB into extended stored procedures, yet everything I've been reading has said that xp's can only be written in C or C++. Is this true??

Thanks.

Caroline Kaplonski
ckaplonski@buckconsultants.com

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Jan 6, 2005

Howdy,

I'm trying to call XP_CMDSHELL from a stored procedure that's not in the Master db. How do I call XP_CMDSHELL? I've tried "Use Master" but I get an error telling me that I can't use "USE" inside of a stored procedure.

Thanks!

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Triggers, Extended Stored Procedures, And VB5/6

Sep 30, 1998

I would like to know if the the DLL`s one can build with VB5/6 can be used to construct Extended Stored Procedures in MS SQLServer 6.5? If so, how does one do this. All the reference material I`ve come across is for C

Thanks in Advance - Ralph

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Triggers, Extended Stored Procedures, And VB5/6

Sep 30, 1998

I would like to know if the the DLL`s one can build with VB5/6 can be used to construct Extended Stored Procedures in MS SQLServer 6.5? If so, how does one do this. All the reference material I`ve come across is for C

Thanks in Advance - Ralph

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Only Functions And Extended Stored Procedures Can

Jun 18, 2008

Hi all,
In one of my UDF I use the following functions:

.....
and len(@int_date) = 4
and isnumeric(substring(@int_date,5,6)) = 1

when I use the function I get

Only functions and extended stored procedures can be executed from within a function.

Yes, when I comment the two lines the function works fine.
Ehm.... why can't I use these functions in my function ?
Thanks: Peter

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Extended Stored Procedures DB-Lib Alternative

Jul 20, 2005

Since DBlib is no longer the suggested method for connecting back tosql server from an Extended Stored Procedure, has anyone built anyextended stored procedures that use other connection methods likeOLEDB? Has anyone seen links to any sample extended stored proceduresthat use something other than db-lib? In particular I am interestedin something that connects back to the database as the user whoinvoked the extended stored procedure. I haven't had much luckfinding any.Also, is there an alternative for the bcp api that is a little morecurrent and has support for newer datatypes like bigint? We currentlyuse the bcp api from an extended stored procdure written in C++, butnow need to add bigint support which the bcp api doesn't have.Thanks for any advice.

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Sep 9, 2007


The Extended Stored Procedures (Written in C++ unmanaged code) are supported in SQL Server 2005????

Thanks

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Jun 11, 2007

I have a database script that uses the extended stored procedures sp_OACreate and sp_OCMethod to execute an .exe file. The .exe file is located on the same machine as the SQL Server. At this time it does nothing but log the name of the user calling it.



When I execute the script from Management Studio (logged in as myself) the user being logged as the caller of the .exe is still NT AUTHORITYSYSTEM. I don't know why NT AUTHORITYSYSTEM is the caller, cause the SQL Server service runs under another domain account.



I have tried playing around with EXECUTE AS USER but no matter what, the caller of the .exe is always logged as NT AUTHORITYSYSTEM.



Are there any way I can pass my credentials to the executable that I am calling from the T-SQL script?

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Creating Extended Stored Procedures In C Sharp ?

Apr 26, 2004

Is it possible to create an extended stored procedure in C Sharp.
This is for Sql Server 2000.

Books online mentions that you have to use c / c++ to create an extended stored procedure.
However have Microsoft added any support so that the same thing can be done through a simpler language like C Sharp.

Thanks,
Alok.

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Passing Parameters To Extended Stored Procedures

Jul 20, 2005

I'm trying to pass parameters to an extended stored procedure, to noavail. I would like to pass two integers to the dll and I have thefollowing three snippets:1. The C++ portion of the dll:....declspec(dllexport) int myAddNumbers(int m, int n)....2. The creation of the extended stored procedure:EXEC sp_addextendedproc myAddNumbers , 'foodll.dll';3. The usage:create function TestFunction()returns integerasbegindeclare @rc integerexec @rc = myAddNumbersreturn (@rc)endHow do any of the above three things need to be modified in order tomake this work?Thanks!!!

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Are Clr Sp's And Extended Stored Procedures The Same Thing In SS2005?

Feb 22, 2008

...we understand that perhaps some xp's might come with the product, but for sp's that we author ourselves, are they two different things in 2005, and if so, why would one be chosen over the other?

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Jun 29, 2007

Our security team wants us to disable access to (or drop) all of the built-in extended stored procedures in MSDE 2000 as they feel it is a vulnerability. Where can I find out which extended procs are safe to disable or how we can disable them during install time? Or, is the security team being too cautious and we should just tell them to leave these intact?

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How To Get The Results When Executing Extended Stored Procedures.

May 28, 2007

Hi. Does anyone know how to display the results if i execute "xp_fixeddrives, xp_availablemedia and xp_subdirs" commands with VC++ 6.0? I can't obtained the results using Recordset class. Can someone help me? Thank you.



|_N_T_|

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Create Extended Stored Procedures In Visual Basic

Mar 9, 2001

You know this sample ODS dll project:
$80oolsdevtoolssamplesodsxp_hello

I need to find a template like this in Visual Basic.

On this site I read through the xp_Encrypt project which was developed in VB. I did not see source code or a downloadable project file.

My searching on the internet hasn't yielded any practicle results, all examples are either how to use an extended stored procedure or are a MSVC++ project.

Anyone find VB related resources, anywhere? Books, TV, magazines????

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Extended Stored Procedures -&> Loading Linked Files

Feb 11, 2004

Hello everybody

I actually wrote a stored procedure (in xp_wrapper.dll) that is using a dll (original.dll) which uses a license file (no file extension).... clear? :)

Anyway.

All the required files are placed in the BINN dir of the server.

The problem is now, that original.dll can't find it's license file. It seems, that this file was not load by SQL Server.

How can I load this file into SQL Server's heap?

Yours
Mike

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Performance Of Extended Stored Procedures In SQL Server 2000

Jul 23, 2005

What is the overhead of using extended stored procedures?I created a table with 500,000 rows.1) I ran a select on two columns and it runs in about 5 seconds.2) I ran a select on one column and called an UDF (it returns aconstant string) and it takes 10 seconds.3) I ran a select on one column and called a UDF that calls an extendedstored procedure that returns a string and it takes 65 seconds.I also tried running test 3 with 4 concurrent clients and each clienttakes about 120 seconds.

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Only Functions And Extended Stored Procedures Can Be Executed From Within A Function.

Jun 7, 2006

Hi, l've created an function [GSM].[KPIAging], and test it in studio by substitule declare value, i.e.
DECLARE @sCellName VARCHAR(8)
DECLARE @dDate DATETIME
SET @sCellName = "CELL1M_1"
SET @dDate = CAST('06/Jun/2006' AS DATETIME)

EXEC GSM.KPIAging @sCellName, 'CSSR', @dDate

It work fine and return the desired result, but when l used this function in SQL,
SELECT DATEKEY, CELLREGIONKEY, CELL_NAME, CELL_ID, CSSR, GSM.KPIAging(Cell_Name, 'CSSR', @dDate)
FROM GSM.GSMCellDaily_vw
WHERE CSSR BETWEEN 0 AND 85
AND FULLDATE = @dDate
AND CM_SERV > 30
AND (TCH_TRAFFIC > 2 AND TCH_SEIZURES_ATTS > 30)

I got the following error, i.e.
Msg 557, Level 16, State 2, Line 19Only functions and extended stored procedures can be executed from within a function.
Does anyone have any idea on this, and what's the workaround for this?

Thanks you!

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Only Functions And Extended Stored Procedures Can Be Executed From Within A Function.

May 7, 2008

Hi mister, I have this script sql but I get this error:



Mens. 557, Nivel 16, Estado 2, LĂ­nea 1

Only functions and extended stored procedures can be executed from within a function.

DROP FUNCTION ObtenerTablaPorNombre2

GO

CREATE FUNCTION ObtenerTablaPorNombre2 (@ParamNombreTabla VARCHAR(100))

RETURNS @T Table ( Descripcion VARCHAR(20) NOT NULL, CIF VARCHAR(8) NULL )

AS

BEGIN

DECLARE @cmd nvarchar(max)

DECLARE @params nvarchar(max)

DECLARE @NombreTabla VARCHAR(MAX)

DECLARE @Descripcion VARCHAR(MAX)

DECLARE @CIF VARCHAR(MAX)

SELECT @NombreTabla = [CD_NOMBRE_TABLA], @Descripcion = [DS_CAMPO_DESCRIPCION] , @CIF = [DS_CAMPO_CIF]

FROM [TABLA_MAESTRA] WHERE [CD_NOMBRE_TABLA] = @ParamNombreTabla

SET @cmd = 'SELECT ' + @Descripcion + ',' + @CIF + ' FROM ' + @NombreTabla

--EXEC (@cmd)

SET @cmd = 'SELECT @pDescripcion, @pCIF FROM @pNombreTabla'

SET @params = N'@pDescripcion varchar(100), @pCIF varchar(100), @pNombreTabla varchar(100) '

EXEC sp_executesql @cmd, @params, @pDescripcion = @Descripcion, @pCIF = @CIF, @pNombreTabla = @NombreTabla

RETURN

END

GO

SELECT * FROM [dbo].ObtenerTablaPorNombre2 ('tabla2')
-- Only functions and extended stored procedures can be executed from within a function

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Using EXECUTE Statements Calling An Extended Stored Procedures From Function..

Apr 29, 2004

Hi, all
I'm using Sql server 2000
I want to make select statement dynamically and return table using function.
in sp, I've done this but, in function I don't know how to do so.
(I have to create as function since our existing API..)

Following is my tials...
1.
alter Function fnTest
( @fromTime datetime, @toTime datetime)
RETURNS Table
AS

RETURN Exec spTest @from, @to
GO

Yes, it give syntax error..

2. So, I found the following


From Sql Server Books Online, Remark section of CREATE FUNCTION page of Transact-SQL Reference , it says following..

"The following statements are allowed in the body of a multi-statement function. Statements not in this list are not allowed in the body of a function: "
.....
* EXECUTE statements calling an extended stored procedures.

So, I tried.

alter Function fnTest
( @fromTime datetime, @toTime datetime)
RETURNS Table
AS

RETURN Exec master..xp_msver
GO

It doesn't work... syntax err...

Here I have quick question.. How to execute statements calling an extended stored procedures. any examples?


Now, I'm stuck.. how can I create dynamic select statement using function?

I want to know if it's possible or not..

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Transact SQL :: Only Functions And Some Extended Stored Procedures Can Be Executed From Within A Function

Sep 11, 2013

I have this function called fn_GetTimedKey() when I run it in my SQL2005 environment it works fine.

When I run it in my SQL2008R2 environment I get the error:

Only functions and some extended stored procedures can be executed from within a function.

The SQL2008R2 server is new. What can I look for?

Here's the code for the function:

BEGIN
DECLARE @v_Key CHAR(12)
EXEC master..xp_usg_gettimedkey_VAL @v_Key OUTPUT
RETURN @v_Key
END

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STORED PROCEDURES FROM ACCESS 97

Dec 8, 1999

COULD ANYONE PLEASE TELL ME HOW I CALL A STORED PROCEDURE FROM AN ACCESS 97 DATABASE WHICH ARE HELD ON AN SQL 7 DATABASE.

I HAVE USED THE USAULL CALL STATEMENT, BUT THIS DOES NOT WORK.

SO ANY HELP WOULD BE GRATEFULLY APPRECIATED.

GARY J

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Mar 8, 1999

Hey everyone,

I'm attempting to copy over extended procedures from another database, and it's only copying stored when I use the "Transfer Database" wizard. Anyone know why it doesn't copy extended, and how I can get it to? Thanks!

Alex

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Aug 22, 2002

I have to write a stored procedure to gather .dat files from multiple network shares to a single location and bulk insert them using format files. I have the SP working that accepts the filename and performs the bulk insert into my SQL tables using the appropriate format file.

Now, I had originally wrote the "copy files" portion in VB using the FSO, but was told it has to all be in a SQL SP. I have been investigating the xp_cmdshell extended procedure, which would work if I weren't pulling the .dat files from a Novell volume. For example connecting to a windows share this works...

exec xp_cmdshell 'dir servershare', no_output

but not when using a servervolume (Novell), even though from the command prompt this command will work to the novell volume.

Does anyone know of any other extended procedure or method in T-SQL that can perform file system functions?

Thanks in advance for any help!

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I'm going through the SQLSecurity Checklist I found at sqlsecurity.com. One of the points it says to "Restrict to sysadmins-only access to stored procedures and extended stored procedures that you believe could pose a threat." It also lists a bunch of stored procs and extended stored procs that you should consider restricting to sysadmins only. I was wondering if someone could give me some pointers on how to do this? I would like to write a script that I could run on every sql server 2000 install that would do this. How could I ensure that every user does not have access except the sysadmins?

Thanks,
Chris

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Dec 17, 2007

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NBU

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Jul 3, 2007

Hi. I have set up an instance of SQL 2005 on my local computer. I use MS SQL Server Management Studio to login into my 2005 instance via Windows login. When I expand "Stored Procedures" under "Programmability" of the Database I want and go to a stored procedure and right click, I don't see the "properities" selection.

I know it's there because I can get to it on other instances but I can't get to it on my local instance. I added my windows user to my Logins and then to my database users but it didn't help.

Can anyone please tell me what I need to do so I can access the properties of the stored procedures?



Thanks

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Dec 12, 2006

Hello everyone,

I have a design problem which I am hoping somebody can shed some light on.

I am running SQL Server 2000 using SQL authenticaiton (due to be changed to Windows authentication in the next 6 months). I have a table in my database which we shall call monthly. I want to restrict the ability to insert to the monthly table to 2 stored procedures (proc_abc & proc_xy) which I have written which do various other validation checks before it inserts the data into monthly.

Users with the Foo function assigned are able to execute proc_abc & proc_xy

I have written a VB application which can be used by users who are not familiar with SQL to be able to execute these stored procedures. (Must have Foo function in order to login to this application).

I want to restrict the ability to execute the stored procedures to users using the VB application only, and thus not be able to execute the stored procedure using Query Analyzer or such like for any Foo user.

Is there anyway I can do this?

One suggestion put to me is two split the functions. Have one function lets call it Top which can access the VB application and then have another function called Bottom which is able to execute the stored procedures. Only the VB app would have access to the Bottom credentials. But is this secure? Would I just hard code the credentials for the Bottom function user within the VB app? This doesn's seem a secure way of doing things to me.

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