Get-Acl without inheritance

sexta-feira, 23 de janeiro de 2009 16:34Jonas_Bson

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Hello,

When i type the following line in PS "Get-ChildItem I:\ -recurse -exclude *.* | Get-Acl" It lists all the directories and their security rights. I need to be able to only list the folders which have the security set on them and not inherited by parent folder.

Is this possible?

What I'm aiming for is a script to list all parent-rights in our file-structure. Perhaps this is possible to do some other way?

Best Regards,

Joans Bson
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sexta-feira, 23 de janeiro de 2009 19:20Marco ShawMVP, Moderador

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I think you can get this by looking at the SDDL value for a folder. There may be easier ways, but I think this will work for you:
1 $no_inh=get-acl .|foreach{$_.sddl}
2 gci . -rec|where{$_.psiscontainer}|foreach{if(($_|get-acl|foreach{$_.sddl}) -eq $no_inh){$_.fullname}}
On line 1, I move to a directory where I know inheritance has been removed. I save the SDDL string to a variable.
On line 2, I get the ACLs and SDDL for every directory, then compare the SDDL against my variable, if the SDDLs match, I have a directory without inheritance, and I print out the full directory name.
[EDIT: I reread your post. I think I've missed the point. Please provide feedback.]
- EditadoMarco ShawMVP, Moderadorsábado, 24 de janeiro de 2009 1:39feedback needed
- Sugerido como RespostaMervyn ZhangMSFT, Moderadorsegunda-feira, 26 de janeiro de 2009 6:38
- Marcado como RespostaMervyn ZhangMSFT, Moderadorquinta-feira, 29 de janeiro de 2009 3:43
- Não Sugerido como RespostaMervyn ZhangMSFT, Moderadorsegunda-feira, 26 de janeiro de 2009 6:38
- Sugerido como RespostaMarco ShawMVP, Moderadorsexta-feira, 23 de janeiro de 2009 19:21
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sexta-feira, 23 de janeiro de 2009 19:20Marco ShawMVP, Moderador

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I think you can get this by looking at the SDDL value for a folder. There may be easier ways, but I think this will work for you:
1 $no_inh=get-acl .|foreach{$_.sddl}
2 gci . -rec|where{$_.psiscontainer}|foreach{if(($_|get-acl|foreach{$_.sddl}) -eq $no_inh){$_.fullname}}
On line 1, I move to a directory where I know inheritance has been removed. I save the SDDL string to a variable.
On line 2, I get the ACLs and SDDL for every directory, then compare the SDDL against my variable, if the SDDLs match, I have a directory without inheritance, and I print out the full directory name.
[EDIT: I reread your post. I think I've missed the point. Please provide feedback.]
- EditadoMarco ShawMVP, Moderadorsábado, 24 de janeiro de 2009 1:39feedback needed
- Sugerido como RespostaMervyn ZhangMSFT, Moderadorsegunda-feira, 26 de janeiro de 2009 6:38
- Marcado como RespostaMervyn ZhangMSFT, Moderadorquinta-feira, 29 de janeiro de 2009 3:43
- Não Sugerido como RespostaMervyn ZhangMSFT, Moderadorsegunda-feira, 26 de janeiro de 2009 6:38
- Sugerido como RespostaMarco ShawMVP, Moderadorsexta-feira, 23 de janeiro de 2009 19:21
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domingo, 1 de fevereiro de 2009 18:38dmdamen

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The line of code below will show you all file names that have explicit security set.

get-childitem -recurse | where-object {$_.mode -match "d"} | %{$file=$_;get-acl $($_.FullName)} | %{$_.GetAccessRules($True,$False,[Security.Principal.SecurityIdentifier]) | %{write-host "$($file.FullName) has explicit security set"}}
- Sugerido como Respostadmdamen domingo, 1 de fevereiro de 2009 18:39
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sexta-feira, 19 de junho de 2009 18:14Scott Meilicke

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I know this thread is quite old, but here is how I did this. Keep in mind I am quite new to powershell, so I like to spell things out. I would be interested in techniques to speed this up. if ($args.length -ne 2) { "This script takes exactly two arguments, in this order: file for output, a path to analyze" } else { $path = $args[1] $outPutFile = $args[0] $startDate = Get-Date #Build information for the header of the output file. `r`n is a carrage return/line feed. $header = "Start: " + $startDate + "`r`n" + "Output file: " + $outPutFile + "`r`n" + "Path analyzed: " + $path + "`r`n" out-file -encoding ASCII -filePath $outPutFile -append -InputObject $header # Get all directories, not files, get their ACLs, and stuff them into a variable ($dirs). $dirs = Get-ChildItem $path -Recurse -Force | ? { $_.GetType() -like 'System.IO.DirectoryInfo'} | get-ACL Foreach ($dir in $dirs) { Foreach ($Access in $dir.Access) { $Inherited = [string]$Access.IsInherited if ($Inherited -eq "False") { $pathPieces = $dir.Path.split(":") $output = $PathPieces[2] + ":" + $pathPieces[3] + ", " + $Access.IdentityReference + ", " + $Access.FileSystemRights out-file -encoding ASCII -filePath $outPutFile -append -InputObject $output } } } $endDate = Get-Date $elapsedTime = $endDate - $startDate $footer = "`r`nRun completed at: " + $endDate + "`r`n" + "Elapsed Time:`r`n" + $elapsedTime + "`r`n" out-file -encoding ASCII -filePath $outPutFile -append -InputObject $footer } -Scott

EDIT - shoot, sorry for the crappy word wrapping.
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quinta-feira, 15 de outubro de 2009 14:34cbreaker

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Hi Scott,

I can't seem to get your example to work. I'm really no powershell programmer and I think I have the wrapping all wrong. Since powershell uses CRLF's to seperate commands (against say Bash) when it's all on one big line it won't run.

Any help?
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quinta-feira, 15 de outubro de 2009 14:35cbreaker

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Replying to myself to enable e-mail notification..
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quinta-feira, 15 de outubro de 2009 14:51Marco ShawMVP, Moderador

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I'll fix up the code in the next 24 hours and post it as a script, and that should help...
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sexta-feira, 16 de outubro de 2009 10:07

Marco ShawMVP, Moderador

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I think this is fixed up properly. I haven't tested it yet:

if ($args.length -ne 2) { 
  "This script takes exactly two arguments, in this order: file for output, a path to analyze" 
} 
else { 
  $path = $args[1] 
  $outPutFile = $args[0] 
  $startDate = Get-Date 
  #Build information for the header of the output file. `r`n is a carrage return/line feed. 
  $header = "Start: " + $startDate + "`r`n" + "Output file: " + $outPutFile + "`r`n" + "Path analyzed: " + $path + "`r`n" 
  out-file -encoding ASCII -filePath $outPutFile -append -InputObject $header 
  # Get all directories, not files, get their ACLs, and stuff them into a variable ($dirs). 
  $dirs = Get-ChildItem $path -Recurse -Force | ? { $_.GetType() -like 'System.IO.DirectoryInfo'} | get-ACL 
  Foreach ($dir in $dirs) { 
    Foreach ($Access in $dir.Access) { 
      $Inherited = [string]$Access.IsInherited 
      if ($Inherited -eq "False") { 
        $pathPieces = $dir.Path.split(":") 
        $output = $PathPieces[2] + ":" + $pathPieces[3] + ", " + $Access.IdentityReference + ", " + $Access.FileSystemRights 
        out-file -encoding ASCII -filePath $outPutFile -append -InputObject $output 
      } 
    } 
  } 
  $endDate = Get-Date 
  $elapsedTime = $endDate - $startDate 
  $footer = "`r`nRun completed at: " + $endDate + "`r`n" + "Elapsed Time:`r`n" + $elapsedTime + "`r`n" 
  out-file -encoding ASCII -filePath $outPutFile -append -InputObject $footer 
}

1	$no_inh=get-acl .\|foreach{$_.sddl}
2	gci . -rec\|where{$_.psiscontainer}\|foreach{if(($_\|get-acl\|foreach{$_.sddl}) -eq $no_inh){$_.fullname}}