win_setup: fix for machine sid to work in domains with lots of users (#38646)
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1 changed files with 13 additions and 5 deletions
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@ -29,16 +29,24 @@ Function Get-MachineSid {
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# only accessible by the Local System account. This method get's the local
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# admin account (ends with -500) and lops it off to get the machine sid.
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$admins_sid = "S-1-5-32-544"
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$admin_group = ([Security.Principal.SecurityIdentifier]$admins_sid).Translate([Security.Principal.NTAccount]).Value
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Add-Type -AssemblyName System.DirectoryServices.AccountManagement
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$principal_context = New-Object -TypeName System.DirectoryServices.AccountManagement.PrincipalContext([System.DirectoryServices.AccountManagement.ContextType]::Machine)
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$user_principal = New-Object -TypeName System.DirectoryServices.AccountManagement.UserPrincipal($principal_context)
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$searcher = New-Object -TypeName System.DirectoryServices.AccountManagement.PrincipalSearcher($user_principal)
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$users = $searcher.FindAll() | Where-Object { $_.Sid -like "*-500" }
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$group_principal = New-Object -TypeName System.DirectoryServices.AccountManagement.GroupPrincipal($principal_context, $admin_group)
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$searcher = New-Object -TypeName System.DirectoryServices.AccountManagement.PrincipalSearcher($group_principal)
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$groups = $searcher.FindOne()
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$machine_sid = $null
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if ($users -ne $null) {
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$machine_sid = $users.Sid.AccountDomainSid.Value
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foreach ($user in $groups.Members) {
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$user_sid = $user.Sid
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if ($user_sid.Value.EndsWith("-500")) {
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$machine_sid = $user_sid.AccountDomainSid.Value
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break
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}
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}
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return $machine_sid
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}
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