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Nested AD Groups


lcty
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Hi Community,

I'm currently trying to realise a delicate algorithm in AutoIt.

We want to receive all members of an AD group. If there are more (nested) groups inside we want to get their members as well. If in these are also groups we want the members.

My problem is, I cannot think of an appropriate solution for this at the moment as this can be infinite at some point.

What I already have is a function

   ... that can read out all the Groups in a Group and returns 0 if there are none

   ... that can read out all the Users in a Group.

Now I was thinking of following pseudo code:

ROOT = getNestedGroups(<any group>)
If not ROOT = 0 Then
   ; There are groups below
   For every Nested Group Do
     CHILD1 = getNestedGroups(Nested Group [$ii])
     If not CHILD1 = 0 Then
       ; there are as well groups below
       CHILD2 = getNested...
       ....
       ..... and so on
     EndIf   
  Next
EndIf

And this is going to be infinite since I do not know how many groups are linked together.

Does anybody of you guys have an idea that could point me to the right direction?

Thanks a lot in advance!

Best regards

lcty

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It is not clear to me what you want. For an infinite loop look at While ... WEnd, and to escape an infinite loop use ExitLoop. There is a recursion limit in AutoIt, so infinitely nested loops will always fail. No infinite run time is feasible, nor can an infinite amount of data be parsed, so you probably want to define some reasonable limits.

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Have you looked at the >AD UDF for doing what you're looking to do? I'm not sure if it can do it, but it's a place to start.

Edited by BrewManNH

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Please have a look at my AD UDF, function_AD_RecursiveGetGroupMembers.

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

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Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
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It seems this has already been dealt with in detail, and I advise you follow the MVP suggestions. Anyway I wrote an example to illustrate the AutoIt features I mentioned in my previous post, for you to noodle over as well. :)

;

Global $gInteger = 0

ConsoleWrite(_Recursion() & @LF)

Func _Recursion() ; Recursive function
    While 1 ; Infinite Loop
        $gInteger += 2
        If Mod($gInteger, 3) = 0 Then ExitLoop ; Exit the loop on this condition
    WEnd
    If $gInteger < 10 Then _Recursion() ; Function calls itself again on this condition
    Return $gInteger ; Finally we get the answer
EndFunc
Edited by czardas
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Thanks for your quick answers! I really appreciate that!!

czardas, your recursive loop makes sense. You probably got me an idea! I'm going to try something and post it here if it was successfull.

... and water, as you are the developer of the AD UDF - thank you very much for sharing this, you made my life a lot easier!!

Edited by lcty
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Thanks! But at least 50% go to Jonathan Clelland, the original author of the adfunctions UDF.

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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Hi again :)

Since three days I am working on this script now. I suppose I got quite close. However the recursive AD check didn't work for me. Though I got a different solution almost working ;)

_AD_Open()
$group = "<My starting AD group>"
__getAllGroups($group)


; get All AD groups and sub-groups
Func __getAllGroups($group)
   Dim $aMaster[1]
   Dim $aLevel[1]
   $aMaster[0] = $group
   $aLevel[0] = $group

   While 1
      ; check Level of current scope in $aLevel
      $aLevel = __checkLevels($aLevel)

      If $aLevel[0] = 0 Then
         ; if function returns no groups in this scope
         ExitLoop
      Else
         ; if groups were returned save to master array
         ; continue with $aLevel as current scope
         _ArrayConcatenate($aMaster, $aLevel)
      EndIf
   WEnd

   ; display once all sub-groups are collected
   _ArrayDisplay($aMaster)
EndFunc


; check the current scope and return all sub-groups
; of the queried groupS (array $aGroup). Duplicates removed
Func __checkLevels($aGroup)
   Dim $aResult[0]
   If UBound($aGroup) >= 1 Then
      For $j = 0 to UBound($aGroup)-1
         ConsoleWrite("checking "& $aGroup[$j] & @CRLF)
         $aMembers = _AD_GetGroupMembers($aGroup[$j])
         For $i = 1 to UBound($aMembers)-1
            If __IsADGroup($aMembers[$i]) Then
               _ArrayAdd($aResult, $aMembers[$i])
               ConsoleWrite("  adding " & $aMembers[$i] & " as result of check " & $aGroup[$j] & @CRLF)
            EndIf
         Next
      Next
   EndIf
   $aResult = _ArrayUnique($aResult)
   Return $aResult
EndFunc

; check whether an AD object is a group
; needs possibly to be improved!!
Func __IsADGroup($sGroup)
  $aDelimited = StringSplit($sGroup, ",")
   If UBound($aDelimited) > 2 Then
      If ($aDelimited[2] = "OU=Groups" AND $aDelimited[2] <> "") OR ($aDelimited[2]="CN=Users" AND $aDelimited[2] <> "" AND StringInStr($aDelimited[1], "Domain Admins")) Then
         Return True
      EndIf
   Else
      Return False
   EndIf
EndFunc

_AD_Close()

Strangely it never exits the loop and always checks the same scope. I'm a bit helpless at the moment as I already investigated for hours.

Maybe you have an idea what is going wrong? Maybe at one sight as you're all professionals :P

Additionally I'm searching for a way to improve the function __IsADGroup() to determine whether an entry returned by _AD_GetGroupMembers is a group or a user object.

Hoping for your help.

Tahnk you!

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I will have a look at _AD_IsMemberOf again. The recursive check should run anyway!

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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Icty,

I had a look at _AD_IsMember and the recursive function works quite well.

_AD_RecursiveGetGroupMembers returns the correct resultsas well.

So can you please describe what doesn't work for you?

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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To check the objectclass I suggest:

#include <AD.au3>
_AD_Open()
ConsoleWrite(_CheckObjectClass(@Username, "user") & @LF) ; Is the current user a class "user"?
_AD_Close()
Exit

Func _CheckObjectClass($sObject, $sClass)
    Local $aClasses = _AD_Getobjectattribute($sObject, "objectClass")
    For $iIndex = 0 To UBound($aClasses, 1) - 1
        If $aClasses[$iIndex] = $sClass Then Return 1
    Next
    Return 0
EndFunc
Edited by water

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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Thank you very much! This helpded me massively.

Strangely the _AD_RecursiveGetGroupMembers function works for me now. This is the actual solution for my issue!

The way you recommended to check the objectclass was very helpful as well!

So this is what I did:

Func _getACLMembers($aGroups)
   Dim $aUserTable[2]
   For $i = 1 to UBound($aGroups)-1
      $aMembers = _AD_RecursiveGetGroupMembers($aGroups[$i])
      For $j = 1 to UBound($aMembers)-1
         $aTrace = StringSplit($aMembers[$j], "|")
         If __CheckObjectClass($aTrace[1], "user") Then
            ReDim $aUserTable[UBound($aUserTable)+1]
            $aUserTable[UBound($aUserTable)-1] = $aTrace[1]
         EndIf
      Next
   Next
   Return _ArrayUnique($aUserTable)
EndFunc

Func __CheckObjectClass($sObject, $sClass)
    Local $aClasses = _AD_Getobjectattribute($sObject, "objectClass")
    For $iIndex = 0 To UBound($aClasses, 1) - 1
        If $aClasses[$iIndex] = $sClass Then Return 1
    Next
    Return 0
EndFunc
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Glad to be of service :)

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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  • 1 month later...

vortexed,

did you delete your last question?

My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2022-02-19 - Version 1.6.1.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
OutlookEX (2021-11-16 - Version 1.7.0.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (2021-04-13 - Version 1.4.0.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
PowerPoint (2021-08-31 - Version 1.5.0.0) - Download - General Help & Support - Example Scripts - Wiki
Task Scheduler (NEW 2022-07-28 - Version 1.6.0.1) - Download - General Help & Support - Wiki

Standard UDFs:
Excel - Example Scripts - Wiki
Word - Wiki

Tutorials:
ADO - Wiki
WebDriver - Wiki

 

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