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fixed problem with sid/windows 2008 by using SID. fixed problems related to default accounts like BUILTIN\SYSTEM

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Hans-Joachim Kliemeck 2015-10-15 12:01:11 +02:00
parent 05f53f2b95
commit 71dc569566
1 changed files with 16 additions and 13 deletions
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29
windows/win_acl.ps1
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@ -55,15 +55,11 @@ Function UserSearch
if ($IsLocalAccount -eq $true) if ($IsLocalAccount -eq $true)
{ {
$localaccount = get-wmiobject -class "Win32_UserAccount" -namespace "root\CIMV2" -filter "(LocalAccount = True)" | where {$_.Caption -eq $AccountName} # do not use Win32_UserAccount, because e.g. SYSTEM (BUILTIN\SYSTEM or COMPUUTERNAME\SYSTEM) will not be listed. on Win32_Account groups will be listed too
$localaccount = get-wmiobject -class "Win32_Account" -namespace "root\CIMV2" -filter "(LocalAccount = True)" | where {$_.Caption -eq $AccountName}
if ($localaccount) if ($localaccount)
{ {
return $localaccount.Caption return $localaccount.SID
}
$LocalGroup = get-wmiobject -class "Win32_Group" -namespace "root\CIMV2" -filter "LocalAccount = True"| where {$_.Caption -eq $AccountName}
if ($LocalGroup)
{
return $LocalGroup.Caption
} }
} }
ElseIf (($IsDomainAccount -eq $true) -and ($IsUpn -eq $false)) ElseIf (($IsDomainAccount -eq $true) -and ($IsUpn -eq $false))
@ -75,7 +71,13 @@ Function UserSearch
if ($result) if ($result)
{ {
return $accountname $user = $result.GetDirectoryEntry()
# get binary SID from AD account
$binarySID = $user.ObjectSid.Value
# convert to string SID
return (New-Object System.Security.Principal.SecurityIdentifier($binarySID,0)).Value
} }
} }
@ -100,10 +102,10 @@ Else {
} }
If ($params.user) { If ($params.user) {
$user = UserSearch -AccountName ($Params.User) $sid = UserSearch -AccountName ($Params.User)
# Test that the user/group is resolvable on the local machine # Test that the user/group is resolvable on the local machine
if (!$user) if (!$sid)
{ {
Fail-Json $result "$($Params.User) is not a valid user or group on the host machine or domain" Fail-Json $result "$($Params.User) is not a valid user or group on the host machine or domain"
} }
@ -174,14 +176,15 @@ Try {
$objType =[System.Security.AccessControl.AccessControlType]::Deny $objType =[System.Security.AccessControl.AccessControlType]::Deny
} }
$objUser = New-Object System.Security.Principal.NTAccount($user) $objUser = New-Object System.Security.Principal.SecurityIdentifier($sid)
$objACE = New-Object System.Security.AccessControl.FileSystemAccessRule ($objUser, $colRights, $InheritanceFlag, $PropagationFlag, $objType) $objACE = New-Object System.Security.AccessControl.FileSystemAccessRule ($objUser, $colRights, $InheritanceFlag, $PropagationFlag, $objType)
$objACL = Get-ACL $path $objACL = Get-ACL $path
# Check if the ACE exists already in the objects ACL list # Check if the ACE exists already in the objects ACL list
$match = $false $match = $false
ForEach($rule in $objACL.Access){ ForEach($rule in $objACL.Access){
If (($rule.FileSystemRights -eq $objACE.FileSystemRights) -And ($rule.AccessControlType -eq $objACE.AccessControlType) -And ($rule.IdentityReference -eq $objACE.IdentityReference) -And ($rule.IsInherited -eq $objACE.IsInherited) -And ($rule.InheritanceFlags -eq $objACE.InheritanceFlags) -And ($rule.PropagationFlags -eq $objACE.PropagationFlags)) { $ruleIdentity = $rule.IdentityReference.Translate([System.Security.Principal.SecurityIdentifier])
If (($rule.FileSystemRights -eq $objACE.FileSystemRights) -And ($rule.AccessControlType -eq $objACE.AccessControlType) -And ($ruleIdentity -eq $objACE.IdentityReference) -And ($rule.IsInherited -eq $objACE.IsInherited) -And ($rule.InheritanceFlags -eq $objACE.InheritanceFlags) -And ($rule.PropagationFlags -eq $objACE.PropagationFlags)) {
$match = $true $match = $true
Break Break
} }
@ -219,7 +222,7 @@ Try {
} }
} }
Catch { Catch {
Fail-Json $result "an error occured when attempting to $state $rights permission(s) on $path for $user" Fail-Json $result "an error occured when attempting to $state $rights permission(s) on $path for $($Params.User)"
} }
Exit-Json $result Exit-Json $result