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  1. #Author:        Glenn Sizemore glnsize@get-admin.com
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  2. #
    3. \
  3. #Purpose:       Convert a DN to a Canonical name, and back again.
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  4. #
    5. \
  5. #Example:       PS > ConvertFrom-Canonical \'get-admin.local/test/test1/Sizemore, Glenn E\'
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  6. #              CN=Sizemore\\, Glenn E,OU=test1,OU=test,DC=getadmin,DC=local
    7. \
  7. #              PS > ConvertFrom-DN \'CN=Sizemore\\, Glenn E,OU=test1,OU=test,DC=getadmin,DC=local\'
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  8. #              get-admin.local/test/test1/Sizemore, Glenn E
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  9.  
    10. \
  10.  
    11. \
  11. function ConvertFrom-DN
    12. \
  12. {
    13. \
  13. param([string]$DN=(Throw \'$DN is required!\'))
    14. \
  14.     foreach ( $item in ($DN.replace(\'\\,\',\'~\').split(",")))
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  15.     {
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  16.         switch -regex ($item.TrimStart().Substring(0,3))
    17. \
  17.         {
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  18.             "CN=" {$CN = \'/\' + $item.replace("CN=","");continue}
    19. \
  19.             "OU=" {$ou += ,$item.replace("OU=","");$ou += \'/\';continue}
    20. \
  20.             "DC=" {$DC += $item.replace("DC=","");$DC += \'.\';continue}
    21. \
  21.         }
    22. \
  22.     }
    23. \
  23.     $canoincal = $dc.Substring(0,$dc.length - 1)
    24. \
  24.     for ($i = $ou.count;$i -ge 0;$i -- ){$canoincal += $ou[$i]}
    25. \
  25.     $canoincal += $cn.ToString().replace(\'~\',\',\')
    26. \
  26.     return $canoincal
    27. \
  27. }
    28. \
  28.  
    29. \
  29. function ConvertFrom-Canonical
    30. \
  30. {
    31. \
  31. param([string]$canoincal=(trow \'$Canonical is required!\'))
    32. \
  32.     $obj = $canoincal.Replace(\',\',\'\\,\').Split(\'/\')
    33. \
  33.     [string]$DN = "CN=" + $obj[$obj.count - 1]
    34. \
  34.     for ($i = $obj.count - 2;$i -ge 1;$i--){$DN += ",OU=" + $obj[$i]}
    35. \
  35.     $obj[0].split(".") | ForEach-Object { $DN += ",DC=" + $_}
    36. \
  36.     return $dn
    37. \
  37. }
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