FOG::HostnameChanger Padding is invalid and cannot be removed.



  • Hey folks,

    We have been using FOG for 3 or 4 years now. Coming up with weird error when trying image school machines this summer.

    Still running XP on machines, and running FOG 0.32 on Ubuntu 10.04.4 LTS server. The server was upgraded from 0.28 this past year, but we didn’t image anything with it until now.

    I also ave been using the same hostnamechange dll file that has never failed in the past.

    The PCs will not change their hostname. The log is below. When I made these images I used the client taken off the 0.32 server (we are still using 0.28 at a different school, I don’t know if you can mix and match these things).

    I even tried ‘backreving’ the client version on the machine, still getting the error (the log is from the client running 0.28 to the 0.32 server). I also re-replaced the hostnamechange.dll file after the downgrade.

    I am going to try the other school still running 0.28 on everything to see if that has problems.

    Thanks for any help on this…

    Jim Bureau
    Shaker Regional School District

    PS. I don’t know where all these smiley faces are coming from(at least they show up in the preview of the post)


    7/30/2012 9:21 AM Service Stop requested
    7/30/2012 9:21 AM FOG::AutoLogOut Shutdown complete
    7/30/2012 9:21 AM FOG::ClientUpdater Shutdown complete
    7/30/2012 9:21 AM FOG::DirCleaner Shutdown complete
    7/30/2012 9:21 AM FOG::DisplayManager Shutdown complete
    7/30/2012 9:21 AM FOG::GreenFog Shutdown complete
    7/30/2012 9:21 AM FOG::GUIWatcher Stopping…
    7/30/2012 9:21 AM FOG::HostnameChanger Shutdown complete
    7/30/2012 9:21 AM FOG::HostRegister Shutdown complete
    7/30/2012 9:21 AM FOG::MODDebug Shutdown complete
    7/30/2012 9:21 AM FOG::PrinterManager Shuting down
    7/30/2012 9:21 AM FOG::SnapinClient Shutdown complete
    7/30/2012 9:21 AM FOG::TaskReboot Stopping…
    7/30/2012 9:21 AM FOG::UserCleanup Shutdown complete
    7/30/2012 9:21 AM FOG::UserTracker Shutdown complete
    7/30/2012 9:21 AM FOG Service Engine Version: 3
    7/30/2012 9:21 AM Starting all sub processes
    7/30/2012 9:21 AM 14 modules loaded
    7/30/2012 9:21 AM * Starting FOG.AutoLogOut
    7/30/2012 9:21 AM * Starting FOG.SnapinClient
    7/30/2012 9:21 AM FOG::AutoLogOut Starting process…
    7/30/2012 9:21 AM FOG::ClientUpdater Starting client update process…
    7/30/2012 9:21 AM FOG::ClientUpdater Sleeping for 238 seconds.
    7/30/2012 9:21 AM * Starting FOG.DirCleaner
    7/30/2012 9:21 AM * Starting FOG.DisplayManager
    7/30/2012 9:21 AM FOG::DirCleaner Sleeping for 43 seconds.
    7/30/2012 9:21 AM FOG::DisplayManager Starting display manager process…
    7/30/2012 9:21 AM * Starting FOG.GreenFog
    7/30/2012 9:21 AM * Starting FOG.GUIWatcher
    7/30/2012 9:21 AM FOG::GUIWatcher Starting GUI Watcher…
    7/30/2012 9:21 AM * Starting FOG.HostNameChanger
    7/30/2012 9:21 AM FOG::GreenFog Sleeping for 53 seconds.
    7/30/2012 9:21 AM * Starting FOG.HostRegister
    7/30/2012 9:21 AM FOG::HostnameChanger Starting hostname change process…
    7/30/2012 9:21 AM FOG::HostnameChanger Yielding to other subservices for 2 seconds.
    7/30/2012 9:21 AM * Starting FOG.MODDebug
    7/30/2012 9:21 AM FOG::HostRegister Starting host registration process…
    7/30/2012 9:21 AM FOG::MODDebug Start Called
    7/30/2012 9:21 AM FOG::MODDebug Sleeping for 100 Seconds
    7/30/2012 9:21 AM * Starting FOG.PrinterManager
    7/30/2012 9:21 AM * Starting FOG.SnapinClient
    7/30/2012 9:21 AM FOG::PrinterManager Starting interprocess communication process…
    7/30/2012 9:21 AM FOG::PrinterManager interprocess comm startup: OK
    7/30/2012 9:21 AM * Starting FOG.TaskReboot
    7/30/2012 9:21 AM FOG::TaskReboot Taskreboot in lazy mode.
    7/30/2012 9:21 AM FOG::TaskReboot Starting Task Reboot…
    7/30/2012 9:21 AM FOG::SnapinClient Starting snapin client process…
    7/30/2012 9:21 AM * Starting FOG.UserCleanup
    7/30/2012 9:21 AM * Starting FOG.UserTracker
    7/30/2012 9:21 AM FOG::UserCleanup Sleeping for 19 seconds.
    7/30/2012 9:21 AM FOG::UserTracker Starting user tracking process…
    7/30/2012 9:21 AM FOG::SnapinClient Sleeping for 410 seconds.
    7/30/2012 9:21 AM FOG::DisplayManager Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::PrinterManager Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::HostRegister Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::UserTracker Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::AutoLogOut Module is disabled globally on the FOG Server.
    7/30/2012 9:21 AM FOG::UserTracker Module is active…
    7/30/2012 9:21 AM FOG::HostnameChanger Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::HostnameChanger Module is active…
    7/30/2012 9:21 AM FOG::HostnameChanger AD mode requested, confirming settings.
    7/30/2012 9:21 AM FOG::HostnameChanger Padding is invalid and cannot be removed.
    7/30/2012 9:21 AM FOG::HostnameChanger at System.Security.Cryptography.RijndaelManagedTransform.DecryptData(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode paddingMode, Boolean fLast)
    at System.Security.Cryptography.RijndaelManagedTransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)
    at System.Security.Cryptography.CryptoStream.FlushFinalBlock()
    at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing)
    at System.IO.Stream.Close()
    at FOG.FOGCrypt.decrypt(Byte[] cipherData, Byte[] Key, Byte[] IV)
    at FOG.FOGCrypt.decrypt(Byte[] cipherData, String Password)
    at FOG.HostNameChanger.changeHostName()
    7/30/2012 9:21 AM FOG::DisplayManager Module is disabled globally on the FOG Server.
    7/30/2012 9:21 AM FOG::PrinterManager Module is disabled globally on the FOG Server, exiting.
    7/30/2012 9:21 AM FOG::HostRegister Module is active…
    7/30/2012 9:21 AM FOG::HostRegister Attempting to connect to fog server…
    7/30/2012 9:21 AM FOG::HostRegister Unknown error.
    7/30/2012 9:21 AM FOG::GUIWatcher Message found, attempting to notify GUI!
    7/30/2012 9:22 AM FOG::GUIWatcher Dispatch OK!
    7/30/2012 9:22 AM FOG::UserCleanup Starting user cleanup process…
    7/30/2012 9:22 AM FOG::UserCleanup Attempting to connect to fog server…
    7/30/2012 9:22 AM FOG::UserCleanup Module is disabled globally on the FOG Server.
    7/30/2012 9:22 AM FOG::GUIWatcher Message found, attempting to notify GUI!


  • Moderator

    The hostnamechanger performs double duty. It renames the client and joins it to the domain if requested. Also, if a host is a member of the domain and you change the host record, the hostnamechange has to deal with AD to change the host name.



  • This can be closed out.

    Ended up being that at the same time we were doing our imaging, we had just set up new AD servers on VM. New VM AD servers did not have the correct user/password set up on them.

    Not sure why you need AD authentication to change the local machine name, but at this point, I’m not really concerned. It is working!!

    Thanks everyone.

    Jim


  • Moderator

    I’m thinking you need to make sure the FOG client running on the clients of the FOG 0.32 server are using the client from the FOG 0.32 server. Also, use the FOGCrypt from the 0.32 server to re-encrypt your password for AD joining and update your hosts.

    This is all assuming you have not recompiled the HostNameChanger.dll to use a different passkey for encrypting your AD passwords.


  • Moderator

    wrap your log file in the code tags:
    [CODE] log file data :-) no smilies and we can read this[/CODE]


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