How to execute msdb.dbo.sp_start_job from a stored procedure in user database in sql server 2005

Posted by Ram on Server Fault See other posts from Server Fault or by Ram
Published on 2009-11-20T12:28:35Z Indexed on 2010/04/12 17:03 UTC
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Hi Everyone,

I am trying to execute a msdb.dbo.sp_start_Job from MyDB.dbo.MyStoredProc in order to execute MyJob

1) I Know that if i give the user a SqlAgentUser role he will be able to run the jobs that he owns (BUT THIS IS WHAT I OBSERVED : THE USER WAS ABLE TO START/STOP/RESTART THE SQL AGENT SO I DO NOT WANT TO GO THIS ROUTE) - Let me know if i am wrong , but i do not understand why would such a under privileged user be able to start/stop agents .

2)I know that if i give execute permissions on executing user to msdb.dbo.Sp_Start_job and Enable Ownership chaining or enable Trustworthy on the user database it would work (BUT I DO NOT WANT TO ENABLE OWNERSHIP CHAINING NOR TRUSTWORTHY ON THE USER DATABASE)

3)I this this can be done by code signing

User Database i)create a stored proc MyDB.dbo.MyStoredProc ii)Create a certificae job_exec iii)sign MyDB.dbo.MyStoredProc with certificate job_exec iv)export certificate

msdb i)Import Certificate ii)create a derived user from this certificate iii)grant authenticate for this derived user iv)grant execute on msdb.dbo.sp_start_job to the derived user v)grant execute on msdb.dbo.sp_start_job to the user executing the MyDB.dbo.MyStoredProc

but i tried it and it did not work for me -i dont know which piece i am missing or doing wrong

so please provide me with a simple example (with scripts) for executing msdb.dbo.sp_start_job from user stored prod MyDB.dbo.MyStoredProc using code signing

Many Many Many Thanks in Advance

Thanks Ram

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