List all share and NTFS permissions in the local machine

Get-Permissions-NTFS-SMB.ps1

$ComputerName = $env:computername
$AllShares = Get-WmiObject -Class win32_share -ComputerName $ComputerName | Select-Object -ExpandProperty Name

Function GetShareSecurity {
    Param([string]$path = $(throw"$path required."))
    Write-Host "--------------------------------------------------"
    $pathparts = $path.split("\")
    $ComputerName = $pathparts[2]
    $ShareName = $pathparts[3]
 
    Write-Host "File Sharing Permissions Report - $path" 
    $acl = Get-Acl $path
 
    Write-Host "File/NTFS Permissions"
    foreach ($accessRule in $acl.Access) {
        Write-Host "   " $accessRule.IdentityReference $accessRule.FileSystemRights
    }
    Write-Host
    Write-Host "Share/SMB Permissions" 
    $Share = Get-WmiObject win32_LogicalShareSecuritySetting -Filter "name='$ShareName'" -ComputerName $ComputerName
    if ($Share) {
        #$obj = @()
        $ACLS = $Share.GetSecurityDescriptor().Descriptor.DACL
        foreach ($ACL in $ACLS) {
            $User = $ACL.Trustee.Name
            if (!($user)) { $user = $ACL.Trustee.SID }
            $Domain = $ACL.Trustee.Domain
            switch ($ACL.AccessMask) {
                2032127 { $Perm = "Full Control" }
                1245631 { $Perm = "Change" }
                1179817 { $Perm = "Read" }
            }
            Write-Host "   $Domain\$user  $Perm"
        }
    }
    else {
        Write-Host "Share $ShareName not found"
    }
    Write-Host
}

foreach ($ShareItem in $AllShares) {
    If ($ShareItem -eq "IPC$") {
        Write-Host "Default Share for Remote IPC... nothing to do"
    }
    else {
        $path = "\\" + $ComputerName + "\" + $ShareItem
        try {
            GetShareSecurity -path $path
        }
        catch {
            $ErrorMessage = $_.Exception.Message
            Write-Host "Something went wrong with $path"
            Write-Host "Error Message: $ErrorMessage"
        }
    }
}