Permission.psm1
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function Add-CacheItem { # Use a key to get a generic list from a hashtable # If it does not exist, create an empty list # Add the new item param ( [hashtable]$Cache, $Key, $Value, [type]$Type ) $CacheResult = $Cache[$Key] if (-not $CacheResult) { $Command = "`$CacheResult = [System.Collections.Generic.List[$($Type.ToString())]]::new()" Invoke-Expression $Command } $CacheResult.Add($Value) $Cache[$Key] = $CacheResult } function ConvertTo-ItemBlock { param ( $ItemPermissions ) $Culture = Get-Culture Write-LogMsg @LogParams -Text "`$ObjectsForTable = Select-ItemTableProperty -InputObject `$ItemPermissions -Culture '$Culture'" $ObjectsForTable = Select-ItemTableProperty -InputObject $ItemPermissions -Culture $Culture Write-LogMsg @LogParams -Text "`$ObjectsForTable | ConvertTo-Html -Fragment | New-BootstrapTable" $HtmlTable = $ObjectsForTable | ConvertTo-Html -Fragment | New-BootstrapTable $JsonData = $ObjectsForTable | ConvertTo-Json Write-LogMsg @LogParams -Text "Get-FolderColumnJson -InputObject `$ObjectsForTable" $JsonColumns = Get-FolderColumnJson -InputObject $ObjectsForTable Write-LogMsg @LogParams -Text "ConvertTo-BootstrapJavaScriptTable -Id 'Folders' -InputObject `$ObjectsForTable -DataFilterControl -SearchableColumn 'Folder' -DropdownColumn 'Inheritance'" $JsonTable = ConvertTo-BootstrapJavaScriptTable -Id 'Folders' -InputObject $ObjectsForTable -DataFilterControl -SearchableColumn 'Folder' -DropdownColumn 'Inheritance' return [pscustomobject]@{ HtmlDiv = $HtmlTable JsonDiv = $JsonTable JsonData = $JsonData JsonColumns = $JsonColumns } } function Expand-AcctPermission { param ( # Permission objects from Get-FolderAccessList whose IdentityReference to resolve [Parameter(ValueFromPipeline)] [object[]]$SecurityPrincipal, # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Maximum number of concurrent threads to allow [int]$ThreadCount = (Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum, <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Expand-AcctPermission' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Count = $SecurityPrincipal.Count Write-Progress @Progress -Status "0% (account 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } if ($ThreadCount -eq 1) { [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisPrinc in $SecurityPrincipal) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (account $($i+1) of $Count)" -CurrentOperation "Expand-AccountPermission '$($ThisPrinc.Name)'" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ Write-LogMsg @LogParams -Text "Expand-AccountPermission -AccountPermission $($ThisPrinc.Name)" Expand-AccountPermission -AccountPermission $ThisPrinc } } else { $ExpandAccountPermissionParams = @{ Command = 'Expand-AccountPermission' InputObject = $SecurityPrincipal InputParameter = 'AccountPermission' TodaysHostname = $ThisHostname ObjectStringProperty = 'Name' Timeout = 1200 Threads = $ThreadCount } Write-LogMsg @LogParams -Text "Split-Thread -Command 'Expand-AccountPermission' -InputParameter 'AccountPermission' -InputObject `$SecurityPrincipal -ObjectStringProperty 'Name'" Split-Thread @ExpandAccountPermissionParams } Write-Progress @Progress -Completed } function Expand-PermissionPrincipal { # Expand ADSI security principals into their group members param ( # Thread-safe hashtable to use for caching directory entries and avoiding duplicate directory queries [hashtable]$PrincipalsByResolvedID = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Maximum number of concurrent threads to allow [int]$ThreadCount = (Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum, <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Expand-PermissionPrincipal' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } Write-Progress @Progress -Status "0% (principal 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } $ResolvedIDs = $PrincipalsByResolvedID.Keys $Count = $ResolvedIDs.Count $FormatSecurityPrincipalParams = @{ PrincipalsByResolvedID = $PrincipalsByResolvedID } if ($ThreadCount -eq 1) { [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisID in $ResolvedIDs) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (principal $($i + 1) of $Count) Format-SecurityPrincipal" -CurrentOperation $ThisID -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ Write-LogMsg @LogParams -Text "Format-SecurityPrincipal -ResolvedID '$ThisID'" Format-SecurityPrincipal -ResolvedID $ThisID @FormatSecurityPrincipalParams } } else { $SplitThreadParams = @{ Command = 'Format-SecurityPrincipal' InputObject = $ResolvedIDs InputParameter = 'ResolvedID' Timeout = 1200 ObjectStringProperty = 'Name' TodaysHostname = $ThisHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $FormatSecurityPrincipalParams } Write-LogMsg @LogParams -Text "Split-Thread -Command 'Format-SecurityPrincipal' -InputParameter 'SecurityPrincipal' -InputObject `$SecurityPrincipal -ObjectStringProperty 'Name'" Split-Thread @SplitThreadParams } Write-Progress @Progress -Completed } function Expand-PermissionTarget { # Expand a folder path into the paths of its subfolders param ( <# How many levels of subfolder to enumerate Set to 0 to ignore all subfolders Set to -1 (default) to recurse infinitely Set to any whole number to enumerate that many levels #> $RecurseDepth, # Number of asynchronous threads to use [uint16]$ThreadCount = ((Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum), # Will be sent to the Type parameter of Write-LogMsg in the PsLogMessage module [string]$DebugOutputStream = 'Silent', # Hostname to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$ThisHostname = (HOSTNAME.EXE), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Hashtable of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId, # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}) ) $Progress = @{ Activity = 'Expand-PermissionTarget' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Targets = $ACLsByPath.Keys $TargetCount = $Targets.Count Write-Progress @Progress -Status "0% (item 0 of $TargetCount)" -CurrentOperation "Initializing..." -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } $GetSubfolderParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname DebugOutputStream = $DebugOutputStream WhoAmI = $WhoAmI } if ($ThreadCount -eq 1 -or $TargetCount -eq 1) { [int]$ProgressInterval = [math]::max(($TargetCount / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisFolder in $Targets) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $TargetCount * 100 Write-Progress @Progress -Status "$PercentComplete% (item $($i + 1) of $TargetCount))" -CurrentOperation "Get-Subfolder '$($ThisFolder)'" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after the progress to show progress conservatively rather than optimistically $Subfolders = $null $Subfolders = Get-Subfolder -TargetPath $ThisFolder -FolderRecursionDepth $RecurseDepth -ErrorAction Continue @GetSubfolderParams Write-LogMsg @LogParams -Text "# Folders (including parent): $($Subfolders.Count + 1) for '$ThisFolder'" $Subfolders } } else { $SplitThreadParams = @{ Command = 'Get-Subfolder' InputObject = $Targets InputParameter = 'TargetPath' DebugOutputStream = $DebugOutputStream TodaysHostname = $ThisHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $GetSubfolderParams } $Subfolders = Split-Thread @SplitThreadParams Write-LogMsg @LogParams -Text "# Folders (including parent): $($Subfolders.Count + 1) for all targets" $Subfolders } Write-Progress @Progress -Completed } function Export-FolderPermissionHtml { param ( # Regular expressions matching names of security principals to exclude from the HTML report $ExcludeAccount, # Accounts whose objectClass property is in this list are excluded from the HTML report [string[]]$ExcludeClass = @('group', 'computer'), <# Domain(s) to ignore (they will be removed from the username) Intended when a user has matching SamAccountNames in multiple domains but you only want them to appear once on the report. Can also be used to remove all domains simply for brevity in the report. #> $IgnoreDomain, # Path to the NTFS folder whose permissions are being exported [string[]]$TargetPath, # Group members are not being exported (only the groups themselves) $NoGroupMembers, # Path to the folder to save the logs and reports generated by this script $OutputDir, # NTAccount caption of the user running the script $WhoAmI, # FQDN of the computer running the script $ThisFqdn, # Timer to measure progress and performance $StopWatch, # Title at the top of the HTML report $Title, # Generate a report with only HTML and CSS but no JavaScript [switch]$NoJavaScript, $ItemPermissions, $LogParams, $ReportDescription, $FolderTableHeader, $ReportFileList, $ReportFile, $LogFileList, $ReportInstanceId, $Subfolders, $ResolvedFolderTargets, $PrincipalsByResolvedID, $ShortestPath ) # Convert the target path(s) to a Bootstrap alert $TargetPathString = $TargetPath -join '<br />' Write-LogMsg @LogParams -Text "New-BootstrapAlert -Class Dark -Text '$TargetPathString'" $ReportDescription = "$(New-BootstrapAlert -Class Dark -Text $TargetPathString) $ReportDescription" # Convert the folder list to an HTML table $FormattedFolders = ConvertTo-ItemBlock -ItemPermissions $ItemPermissions # Convert the folder permissions to an HTML table $GetFolderPermissionsBlock = @{ FolderPermissions = $ItemPermissions ExcludeAccount = $ExcludeAccount ExcludeClass = $ExcludeClass IgnoreDomain = $IgnoreDomain ShortestPath = $ShortestPath } Write-LogMsg @LogParams -Text "Get-FolderPermissionsBlock @GetFolderPermissionsBlock" $FormattedFolderPermissions = Get-FolderPermissionsBlock @GetFolderPermissionsBlock ##Commented the three lines below because actually keeping semicolons means it copy/pastes better into Excel ### Convert-ToHtml will not expand in-line HTML ### So replace the placeholders (semicolons) with HTML line breaks now, after Convert-ToHtml has already run ##$FormattedFolderPermissions.HtmlDiv = $FormattedFolderPermissions.HtmlDiv -replace ' ; ','<br>' # Combine the header and table inside a Bootstrap div Write-LogMsg @LogParams -Text "New-BootstrapDivWithHeading -HeadingText '$FolderTableHeader' -Content `$FormattedFolders.HtmlDiv" $HtmlFolderList = New-BootstrapDivWithHeading -HeadingText $FolderTableHeader -Content $FormattedFolders.HtmlDiv $JsonFolderList = New-BootstrapDivWithHeading -HeadingText $FolderTableHeader -Content $FormattedFolders.JsonDiv $HeadingText = 'Accounts Excluded by Regular Expression' if ($ExcludeAccount) { $ListGroup = $ExcludeAccount | ConvertTo-HtmlList | ConvertTo-BootstrapListGroup $Description = 'Accounts matching these regular expressions were excluded from the report.' Write-LogMsg @LogParams -Text "New-BootstrapDivWithHeading -HeadingText '$HeadingText' -Content `"`$Description`$ListGroup`"" $HtmlRegExExclusions = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content "$Description$ListGroup" } else { $Description = 'No accounts were excluded based on regular expressions.' $HtmlRegExExclusions = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content $Description } $HeadingText = 'Accounts Excluded by Class' if ($ExcludeClass) { $ListGroup = $ExcludeClass | ConvertTo-HtmlList | ConvertTo-BootstrapListGroup $Description = 'Accounts whose objectClass property is in this list were excluded from the report.' $HtmlClassExclusions = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content "$Description$ListGroup" } else { $Description = 'No accounts were excluded based on objectClass.' $HtmlClassExclusions = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content $Description } $HeadingText = 'Domains Ignored' if ($IgnoreDomain) { $ListGroup = $IgnoreDomain | ConvertTo-HtmlList | ConvertTo-BootstrapListGroup $Description = 'Accounts from these domains are listed in the report without their domain.' $HtmlIgnoredDomains = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content "$Description$ListGroup" } else { $Description = 'No domains were ignored. All accounts have their domain listed.' $HtmlIgnoredDomains = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content $Description } $HeadingText = 'Group Members' if ($NoGroupMembers) { $Description = 'Group members were excluded from the report.<br />Only accounts directly from the ACLs are included in the report.' } else { $Description = 'No accounts were excluded based on group membership.<br />Members of groups from the ACLs are included in the report.' } $HtmlExcludedGroupMembers = New-BootstrapDivWithHeading -HeadingText $HeadingText -Content $Description # Arrange the exclusions in two Bootstrap columns Write-LogMsg @LogParams -Text "New-BootstrapColumn -Html '`$HtmlExcludedGroupMembers`$HtmlClassExclusions',`$HtmlIgnoredDomains`$HtmlRegExExclusions" $ExclusionsDiv = New-BootstrapColumn -Html "$HtmlExcludedGroupMembers$HtmlClassExclusions", "$HtmlIgnoredDomains$HtmlRegExExclusions" -Width 6 if ($NoJavaScript) { $NoJavaScriptReportFile = $ReportFile -replace 'PermissionsReport', 'PermissionsReport_NoJavaScript' $ReportFileList += $NoJavaScriptReportFile } # Convert the list of generated report files to a Bootstrap list group $HtmlListOfReports = $ReportFileList + $ReportFile | Split-Path -Leaf | ConvertTo-HtmlList | ConvertTo-BootstrapListGroup # Convert the list of generated log files to a Bootstrap list group $HtmlListOfLogs = $LogFileList | Split-Path -Leaf | ConvertTo-HtmlList | ConvertTo-BootstrapListGroup # Arrange the lists of generated files in two Bootstrap columns $HtmlReportsHeading = New-HtmlHeading -Text 'Reports' -Level 6 $HtmlLogsHeading = New-HtmlHeading -Text 'Logs' -Level 6 Write-LogMsg @LogParams -Text "New-BootstrapColumn -Html '`$HtmlReportsHeading`$HtmlListOfReports',`$HtmlLogsHeading`$HtmlListOfLogs" $FileListColumns = New-BootstrapColumn -Html "$HtmlReportsHeading$HtmlListOfReports", "$HtmlLogsHeading$HtmlListOfLogs" -Width 6 # Convert the output directory path to a Boostrap alert #$HtmlOutputDir = New-HtmlHeading -Text $OutputDir -Level 6 $HtmlOutputDir = New-BootstrapAlert -Text $OutputDir -Class 'secondary' # Combine the alert and the columns of generated files inside a Bootstrap div Write-LogMsg @LogParams -Text "New-BootstrapDivWithHeading -HeadingText 'Output Folder:' -Content '`$HtmlOutputDir`$FileListColumns'" $FileList = New-BootstrapDivWithHeading -HeadingText "Output Folder:" -Content "$HtmlOutputDir$FileListColumns" # Generate a footer to include at the bottom of the report Write-LogMsg @LogParams -Text "Get-ReportFooter -StopWatch `$StopWatch -ReportInstanceId '$ReportInstanceId' -WhoAmI '$WhoAmI' -ThisFqdn '$ThisFqdn'" $FooterParams = @{ StopWatch = $StopWatch ReportInstanceId = $ReportInstanceId WhoAmI = $WhoAmI ThisFqdn = $ThisFqdn ItemCount = ($Subfolders.Count + $ResolvedFolderTargets.Count) PermissionCount = $ItemPermissions.Access.Access.Count PrincipalCount = $PrincipalsByResolvedID.Keys.Count } $ReportFooter = Get-HtmlReportFooter @FooterParams # Combine all the elements into a single string which will be the innerHtml of the <body> element of the report Write-LogMsg @LogParams -Text "Get-HtmlBody -FolderList `$HtmlFolderList -HtmlFolderPermissions `$FormattedFolderPermissions.HtmlDiv" $BodyParams = @{ FolderList = $HtmlFolderList HtmlFolderPermissions = $FormattedFolderPermissions.HtmlDiv HtmlExclusions = $ExclusionsDiv HtmlFileList = $FileList ReportFooter = $ReportFooter } [string]$Body = Get-HtmlBody @BodyParams # Apply the report template to the generated HTML report body and description $ReportParameters = @{ Title = $Title Description = $ReportDescription Body = $Body } Write-LogMsg @LogParams -Text "New-BootstrapReport @ReportParameters" $Report = New-BootstrapReport @ReportParameters if ($NoJavaScript) { # Save the Html report $null = Set-Content -LiteralPath $NoJavaScriptReportFile -Value $Report # Output the name of the report file to the Information stream Write-Information $NoJavaScriptReportFile } Write-LogMsg @LogParams -Text "Get-HtmlBody -FolderList `$JsonFolderList -HtmlFolderPermissions `$FormattedFolderPermissions.JsonDiv" $BodyParams = @{ FolderList = $JsonFolderList HtmlFolderPermissions = $FormattedFolderPermissions.JsonDiv HtmlExclusions = $ExclusionsDiv HtmlFileList = $FileList ReportFooter = $ReportFooter } [string]$Body = Get-HtmlBody @BodyParams $ScriptHtmlBuilder = [System.Text.StringBuilder]::new() ForEach ($Folder in $FormattedFolderPermissions) { $null = $ScriptHtmlBuilder.AppendLine((ConvertTo-BootstrapTableScript -TableId "#$($Folder.JsonTable)" -ColumnJson $Folder.JsonColumns -DataJson $Folder.JsonData)) } $null = $ScriptHtmlBuilder.AppendLine((ConvertTo-BootstrapTableScript -TableId '#Folders' -ColumnJson $FormattedFolders.JsonColumns -DataJson $FormattedFolders.JsonData)) $ScriptHtml = $ScriptHtmlBuilder.ToString() # Apply the report template to the generated HTML report body and description $ReportParameters = @{ Title = $Title Description = $ReportDescription Body = $Body JavaScript = $true AdditionalScriptHtml = $ScriptHtml } Write-LogMsg @LogParams -Text "New-BootstrapReport @ReportParameters" $Report = New-BootstrapReport @ReportParameters # Save the Html report $null = Set-Content -LiteralPath $ReportFile -Value $Report # Output the name of the report file to the Information stream Write-Information $ReportFile } function Export-RawPermissionCsv { # Export permissions to CSV param ( # Permission objects from Get-FolderAccessList to export to CSV [Object[]]$Permission, # Path to the CSV file to create # Will be passed to the LiteralPath parameter of Export-Csv [string]$LiteralPath, # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Hostname to use in the log messages and/or output object [string]$ThisHostname = (HOSTNAME.EXE), # Hostname to use in the log messages and/or output object [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Export-RawPermissionCsv' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $ProgressId = $ProgressParentId + 1 } else { $ProgressId = 0 } $Progress['Id'] = $ProgressId $ChildProgress = @{ Activity = 'Flatten the raw access control entries for CSV export' Id = $ProgressId + 1 ParentId = $ProgressId } Write-Progress @Progress -Status '0% (step 1 of 2)' -CurrentOperation 'Flattening the raw access control entries for CSV export' -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } Write-LogMsg @LogParams -Text "`$Formatted = ForEach (`$Obj in $`Permissions) {`[PSCustomObject]@{Path=`$Obj.SourceAccessList.Path;IdentityReference=`$Obj.IdentityReference;AccessControlType=`$Obj.AccessControlType;FileSystemRights=`$Obj.FileSystemRights;IsInherited=`$Obj.IsInherited;PropagationFlags=`$Obj.PropagationFlags;InheritanceFlags=`$Obj.InheritanceFlags;Source=`$Obj.Source}" # Prepare to show the progress bar, but no more often than every 1% $Count = $Permission.Count [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 # 'Flatten the access control entries for CSV export' $Formatted = ForEach ($Obj in $Permission) { $IntervalCounter = 0 if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @ChildProgress -Status "$PercentComplete% (access control entry $($i + 1) of $Count)" -CurrentOperation "'$($Obj.IdentityReference)' on '$($Obj.SourceAccessList.Path)'" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after the progress to show progress conservatively rather than optimistically [PSCustomObject]@{ Path = $Obj.SourceAccessList.Path IdentityReference = $Obj.IdentityReference AccessControlType = $Obj.AccessControlType FileSystemRights = $Obj.FileSystemRights IsInherited = $Obj.IsInherited PropagationFlags = $Obj.PropagationFlags InheritanceFlags = $Obj.InheritanceFlags Source = $Obj.Source } } Write-Progress @ChildProgress -Completed Write-Progress @Progress -Status '50% (step 2 of 2)' -CurrentOperation "Saving '$LiteralPath'" -PercentComplete 50 Write-LogMsg @LogParams -Text "`$Formatted | Export-Csv -NoTypeInformation -LiteralPath '$LiteralPath'" $Formatted | Export-Csv -NoTypeInformation -LiteralPath $LiteralPath Write-Information $LiteralPath Write-Progress @Progress -Completed } function Export-ResolvedPermissionCsv { param ( # Permission objects from Get-FolderAccessList to export to CSV [Object[]]$Permission, # Path to the CSV file to create # Will be passed to the LiteralPath parameter of Export-Csv [string]$LiteralPath, # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Hostname to use in the log messages and/or output object [string]$ThisHostname = (HOSTNAME.EXE), # Hostname to use in the log messages and/or output object [string]$WhoAmI = (whoami.EXE), [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Export-RawPermissionCsv' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } Write-LogMsg @LogParams -Text "`$PermissionsWithResolvedIdentityReferences | `Select-Object -Property @{ Label = 'Path'; Expression = { `$_.SourceAccessList.Path } }, * | Export-Csv -NoTypeInformation -LiteralPath '$LiteralPath'" Write-Progress @Progress -Status '0% (step 1 of 1)' -CurrentOperation "Export-Csv '$LiteralPath'" -PercentComplete 50 $Permission | Select-Object -Property @{ Label = 'Path' Expression = { $_.SourceAccessList.Path } }, * | Export-Csv -NoTypeInformation -LiteralPath $LiteralPath Write-Progress @Progress -Completed Write-Information $LiteralPath } function Format-FolderPermission { <# Format the objects * SchemaClassName * Name,Dept,Title (TODO: Param to work with any specified props) * InheritanceFlags * Access Rights #> Param ( # Expects ACEs grouped using Group-Object $UserPermission, # Ignore these FileSystemRights [string[]]$FileSystemRightsToIgnore = @('Synchronize'), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Format-FolderPermission' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Count = ($UserPermission | Measure-Object).Count Write-Progress @Progress -Status "0% (item 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 $i = 0 $IntervalCounter = 0 [int]$ProgressInterval = [math]::max(($Count / 100), 1) ForEach ($ThisUser in $UserPermission) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (item $($i+1) of $Count)" -CurrentOperation "Formatting user permission group $($ThisUser.Name)" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ if ($ThisUser.Group.DirectoryEntry.Properties) { if ( ( $ThisUser.Group.DirectoryEntry | ForEach-Object { if ($null -ne $_) { $_.GetType().FullName 2>$null } } ) -contains 'System.Management.Automation.PSCustomObject' ) { $Names = $ThisUser.Group.DirectoryEntry.Properties.Name $Depts = $ThisUser.Group.DirectoryEntry.Properties.Department $Titles = $ThisUser.Group.DirectoryEntry.Properties.Title } else { $Names = $ThisUser.Group.DirectoryEntry | ForEach-Object { if ($_.Properties) { $_.Properties['name'] } } $Depts = $ThisUser.Group.DirectoryEntry | ForEach-Object { if ($_.Properties) { $_.Properties['department'] } } $Titles = $ThisUser.Group.DirectoryEntry | ForEach-Object { if ($_.Properties) { $_.Properties['title'] } } if ($ThisUser.Group.DirectoryEntry.Properties['objectclass'] -contains 'group' -or "$($ThisUser.Group.DirectoryEntry.Properties['groupType'])" -ne '' ) { $SchemaClassName = 'group' } else { $SchemaClassName = 'user' } } $Name = @($Names)[0] $Dept = @($Depts)[0] $Title = @($Titles)[0] } else { $Name = @($ThisUser.Group.name)[0] $Dept = @($ThisUser.Group.department)[0] $Title = @($ThisUser.Group.title)[0] if ($ThisUser.Group.Properties) { if ( $ThisUser.Group.Properties['objectclass'] -contains 'group' -or "$($ThisUser.Group.Properties['groupType'])" -ne '' ) { $SchemaClassName = 'group' } else { $SchemaClassName = 'user' } } else { if ($ThisUser.Group.DirectoryEntry.SchemaClassName) { $SchemaClassName = @($ThisUser.Group.DirectoryEntry.SchemaClassName)[0] } else { $SchemaClassName = @($ThisUser.Group.SchemaClassName)[0] } } } if ("$Name" -eq '') { $Name = $ThisUser.Name } ForEach ($ThisACE in $ThisUser.Group) { switch ($ThisACE.ACEInheritanceFlags) { 'ContainerInherit, ObjectInherit' { $Scope = 'this folder, subfolders, and files' } 'ContainerInherit' { $Scope = 'this folder and subfolders' } 'ObjectInherit' { $Scope = 'this folder and files, but not subfolders' } default { $Scope = 'this folder but not subfolders' } } if ($null -eq $ThisUser.Group.IdentityReference) { $IdentityReference = $null } else { $IdentityReference = $ThisACE.ACEIdentityReferenceResolved } $FileSystemRights = $ThisACE.ACEFileSystemRights ForEach ($Ignore in $FileSystemRightsToIgnore) { $FileSystemRights = $FileSystemRights -replace ", $Ignore\Z", '' -replace "$Ignore,", '' } [pscustomobject]@{ Folder = $ThisACE.ACESourceAccessList.Path FolderInheritanceEnabled = !($ThisACE.ACESourceAccessList.AreAccessRulesProtected) Access = "$($ThisACE.ACEAccessControlType) $FileSystemRights $Scope" Account = $ThisUser.Name Name = $Name Department = $Dept Title = $Title IdentityReference = $IdentityReference AccessControlEntry = $ThisACE SchemaClassName = $SchemaClassName PSTypeName = 'Permission.PassThruPermission' } } } Write-Progress @Progress -Completed } function Format-TimeSpan { param ( [timespan]$TimeSpan, [string[]]$UnitsToResolve = @('day', 'hour', 'minute', 'second', 'millisecond') ) $StringBuilder = [System.Text.StringBuilder]::new() $aUnitWithAValueHasBeenFound = $false foreach ($Unit in $UnitsToResolve) { if ($TimeSpan."$Unit`s") { if ($aUnitWithAValueHasBeenFound) { $null = $StringBuilder.Append(", ") } $aUnitWithAValueHasBeenFound = $true if ($TimeSpan."$Unit`s" -eq 1) { $null = $StringBuilder.Append("$($TimeSpan."$Unit`s") $Unit") } else { $null = $StringBuilder.Append("$($TimeSpan."$Unit`s") $Unit`s") } } } $StringBuilder.ToString() } function Get-CachedCimInstance { param ( # Name of the computer to query via CIM [string]$ComputerName, # Name of the CIM class whose instances to return [string]$ClassName, # CIM query to run. Overrides ClassName if used (but not efficiently, so don't use both) [string]$Query, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, [Parameter(Mandatory)] [string]$KeyProperty, [string[]]$CacheByProperty = $KeyProperty ) $LogParams = @{ ThisHostname = $ThisHostname Type = $DebugOutputStream LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } if ($PSBoundParameters.ContainsKey('ClassName')) { $InstanceCacheKey = "$ClassName`By$KeyProperty" } else { $InstanceCacheKey = "$Query`By$KeyProperty" } $CimCacheResult = $CimCache[$ComputerName] if ($CimCacheResult) { Write-LogMsg @LogParams -Text " # CIM cache hit for '$ComputerName'" $CimCacheSubresult = $CimCacheResult[$InstanceCacheKey] if ($CimCacheSubresult) { Write-LogMsg @LogParams -Text " # CIM instance cache hit for '$InstanceCacheKey' on '$ComputerName'" return $CimCacheSubresult.Values } else { Write-LogMsg @LogParams -Text " # CIM instance cache miss for '$InstanceCacheKey' on '$ComputerName'" } } else { Write-LogMsg @LogParams -Text " # CIM cache miss for '$ComputerName'" } $CimSession = Get-CachedCimSession -ComputerName $ComputerName -CimCache $CimCache -ThisFqdn $ThisFqdn @LogParams if ($CimSession) { if ($PSBoundParameters.ContainsKey('ClassName')) { Write-LogMsg @LogParams -Text "Get-CimInstance -ClassName $ClassName -CimSession `$CimSession" $CimInstance = Get-CimInstance -ClassName $ClassName -CimSession $CimSession -ErrorAction SilentlyContinue } if ($PSBoundParameters.ContainsKey('Query')) { Write-LogMsg @LogParams -Text "Get-CimInstance -Query '$Query' -CimSession `$CimSession" $CimInstance = Get-CimInstance -Query $Query -CimSession $CimSession -ErrorAction SilentlyContinue } if ($CimInstance) { $InstanceCache = [hashtable]::Synchronized(@{}) ForEach ($Prop in $CacheByProperty) { if ($PSBoundParameters.ContainsKey('ClassName')) { $InstanceCacheKey = "$ClassName`By$Prop" } else { $InstanceCacheKey = "$Query`By$Prop" } ForEach ($Instance in $CimInstance) { $InstancePropertyValue = $Instance.$Prop Write-LogMsg @LogParams -Text " # Add '$InstancePropertyValue' to the '$InstanceCacheKey' cache" $InstanceCache[$InstancePropertyValue] = $Instance } $CimCache[$ComputerName][$InstanceCacheKey] = $InstanceCache } return $CimInstance } } } function Get-CachedCimSession { param ( # Name of the computer to query via CIM [string]$ComputerName, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages ) $LogParams = @{ ThisHostname = $ThisHostname Type = $DebugOutputStream LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } $CimCacheResult = $CimCache[$ComputerName] if ($CimCacheResult) { Write-LogMsg @LogParams -Text " # CIM cache hit for '$ComputerName'" $CimCacheSubresult = $CimCacheResult['CimSession'] if ($CimCacheSubresult) { Write-LogMsg @LogParams -Text " # CIM session cache hit for '$ComputerName'" return $CimCacheSubresult } else { Write-LogMsg @LogParams -Text " # CIM session cache miss for '$ComputerName'" } } else { Write-LogMsg @LogParams -Text " # CIM cache miss for '$ComputerName'" $CimCache[$ComputerName] = [hashtable]::Synchronized(@{}) } if ( $ComputerName -eq $ThisHostname -or $ComputerName -eq "$ThisHostname." -or $ComputerName -eq $ThisFqdn -or $ComputerName -eq "$ThisFqdn." -or $ComputerName -eq 'localhost' -or $ComputerName -eq '127.0.0.1' -or [string]::IsNullOrEmpty($ComputerName) ) { Write-LogMsg @LogParams -Text '$CimSession = New-CimSession' $CimSession = New-CimSession } else { # If an Active Directory domain is targeted there are no local accounts and CIM connectivity is not expected # Suppress errors and return nothing in that case Write-LogMsg @LogParams -Text "`$CimSession = New-CimSession -ComputerName $ComputerName" $CimSession = New-CimSession -ComputerName $ComputerName -ErrorAction SilentlyContinue } if ($CimSession) { $CimCache[$ComputerName]['CimSession'] = $CimSession return $CimSession } } function Get-FolderAcl { # Get folder access control lists # Returns an object representing each effective permission on a folder # This includes each Access Control Entry in the Discretionary Access List, as well as the folder's Owner param ( # Path to the item whose permissions to export (inherited ACEs will be included) $Folder, # Path to the subfolders whose permissions to report (inherited ACEs will be skipped) $Subfolder, # Number of asynchronous threads to use [uint16]$ThreadCount = ((Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum), # Will be sent to the Type parameter of Write-LogMsg in the PsLogMessage module [string]$DebugOutputStream = 'Debug', # Hostname to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$TodaysHostname = (HOSTNAME.EXE), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Hashtable of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # Thread-safe cache of items and their owners [System.Collections.Concurrent.ConcurrentDictionary[String, PSCustomObject]]$OwnerCache = [System.Collections.Concurrent.ConcurrentDictionary[String, PSCustomObject]]::new(), # ID of the parent progress bar under which to show progres [int]$ProgressParentId, # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}) ) $Progress = @{ Activity = 'Get-FolderAcl' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $ProgressId = $ProgressParentId + 1 } else { $ProgressId = 0 } $Progress['Id'] = $ProgressId $ChildProgress = @{ Activity = 'Get folder access control lists' Id = $ProgressId + 1 ParentId = $ProgressId } Write-Progress @Progress -Status '0% (step 1 of 2)' -CurrentOperation 'Get parent folder access control lists' -PercentComplete 0 $GetDirectorySecurity = @{ LogMsgCache = $LogMsgCache ThisHostname = $TodaysHostname DebugOutputStream = $DebugOutputStream WhoAmI = $WhoAmI OwnerCache = $OwnerCache ACLsByPath = $ACLsByPath } # We expect a small number of folders and a large number of subfolders # We will multithread the subfolders but not the folders # Multithreading overhead actually hurts performance for such a fast operation (Get-FolderAcl) on a small number of items $i = 0 $Count = $Folder.Count ForEach ($ThisFolder in $Folder) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @ChildProgress -Status "$PercentComplete% (parent $($i + 1) of $Count) Get-DirectorySecurity -IncludeInherited" -CurrentOperation $ThisFolder -PercentComplete $PercentComplete $i++ Get-DirectorySecurity -LiteralPath $ThisFolder -IncludeInherited @GetDirectorySecurity } Write-Progress @ChildProgress -Completed $ChildProgress['Activity'] = 'Get-FolderAcl (subfolders)' Write-Progress @Progress -Status '25% (step 2 of 4)' -CurrentOperation 'Get subfolder access control lists' -PercentComplete 25 $SubfolderCount = $Subfolder.Count if ($ThreadCount -eq 1) { Write-Progress @ChildProgress -Status "0% (subfolder 0 of $SubfolderCount)" -CurrentOperation 'Initializing' -PercentComplete 0 [int]$ProgressInterval = [math]::max(($SubfolderCount / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisFolder in $Subfolder) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $SubfolderCount * 100 Write-Progress @ChildProgress -Status "$PercentComplete% (subfolder $($i + 1) of $SubfolderCount) Get-DirectorySecurity" -CurrentOperation $ThisFolder -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after the progress to show progress conservatively rather than optimistically Get-DirectorySecurity -LiteralPath $ThisFolder @GetDirectorySecurity } Write-Progress @ChildProgress -Completed } else { $SplitThread = @{ Command = 'Get-DirectorySecurity' InputObject = $Subfolder InputParameter = 'LiteralPath' DebugOutputStream = $DebugOutputStream TodaysHostname = $TodaysHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $GetDirectorySecurity } Split-Thread @SplitThread } # Update the cache with ACEs for the item owners (if they do not match the owner of the item's parent folder) # First return the owner of the parent item Write-Progress @Progress -Status '50% (step 3 of 4) Get-OwnerAce (parent folders)' -CurrentOperation 'Get parent folder owners' -PercentComplete 50 $ChildProgress['Activity'] = 'Get-FolderAcl (parent owners)' $i = 0 $GetOwnerAce = @{ OwnerCache = $OwnerCache ACLsByPath = $ACLsByPath } ForEach ($ThisFolder in $Folder) { [int]$PercentComplete = $i / $Count * 100 $i++ Write-Progress @ChildProgress -Status "$PercentComplete% (parent $i of $Count) Get-OwnerAce" -CurrentOperation $ThisFolder -PercentComplete $PercentComplete Get-OwnerAce -Item $ThisFolder @GetOwnerAce } Write-Progress @ChildProgress -Completed Write-Progress @Progress -Status '75% (step 4 of 4) Get-OwnerAce (subfolders)' -CurrentOperation 'Get subfolder owners' -PercentComplete 75 $ChildProgress['Activity'] = 'Get-FolderAcl (subfolder owners)' # Then return the owners of any items that differ from their parents' owners if ($ThreadCount -eq 1) { $IntervalCounter = 0 $i = 0 ForEach ($ThisFolder in $Subfolder) { Write-Progress @ChildProgress -Status '0%' -CurrentOperation 'Initializing' $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $SubfolderCount * 100 Write-Progress @ChildProgress -Status "$PercentComplete% (subfolder $($i + 1) of $SubfolderCount)) Get-OwnerAce" -CurrentOperation $ThisFolder -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ Get-OwnerAce -Item $ThisFolder @GetOwnerAce } Write-Progress @ChildProgress -Completed } else { $SplitThread = @{ Command = 'Get-OwnerAce' InputObject = $Subfolder InputParameter = 'Item' DebugOutputStream = $DebugOutputStream TodaysHostname = $TodaysHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $GetOwnerAce } Split-Thread @SplitThread } Write-Progress @Progress -Completed } function Get-FolderColumnJson { # For the JSON that will be used by JavaScript to generate the table param ( $InputObject, [string[]]$PropNames ) if (-not $PSBoundParameters.ContainsKey('PropNames')) { $PropNames = ($InputObject | Get-Member -MemberType noteproperty).Name } $Columns = ForEach ($Prop in $PropNames) { $Props = @{ 'field' = $Prop -replace '\s', '' 'title' = $Prop } if ($Prop -eq 'Inheritance') { $Props['width'] = '1' } [PSCustomObject]$Props } $Columns | ConvertTo-Json } function Get-FolderPermissionsBlock { param ( # Output from Format-FolderPermission in the PsNtfsModule which has already been piped to Group-Object using the Folder property $FolderPermissions, # Regular expressions matching names of Users or Groups to exclude from the Html report [string[]]$ExcludeAccount, # Accounts whose objectClass property is in this list are excluded from the HTML report [string[]]$ExcludeClass = @('group', 'computer'), <# Domain(s) to ignore (they will be removed from the username) Intended when a user has matching SamAccountNames in multiple domains but you only want them to appear once on the report. Can also be used to remove all domains simply for brevity in the report. #> [string[]]$IgnoreDomain, $ShortestPath ) # Convert the $ExcludeClass array into a dictionary for fast lookups $ClassExclusions = @{} ForEach ($ThisClass in $ExcludeClass) { $ClassExclusions[$ThisClass] = $true } ForEach ($ThisFolder in $FolderPermissions) { $ThisHeading = New-HtmlHeading "Accounts with access to $($ThisFolder.Item.Path)" -Level 5 $ThisSubHeading = Get-FolderPermissionTableHeader -ThisFolder $ThisFolder -ShortestFolderPath $ShortestPath #$FilterContents = @{} $FilteredPermissions = $ThisFolder.Access | Where-Object -FilterScript { # On built-in groups like 'Authenticated Users' or 'Administrators' the SchemaClassName is null but we have an ObjectType instead. # TODO: Research where this difference came from, should these be normalized earlier in the process? # A user who was found by being a member of a local group not have an ObjectType (because they are not directly part of the AccessControlEntry) # They should have their parent group's AccessControlEntry there...do they? Doesn't it have a Group ObjectType there? ###if ($_.Group.AccessControlEntry.ObjectType) { ### $Schema = @($_.Group.AccessControlEntry.ObjectType)[0] ### $Schema = @($_.Group.SchemaClassName)[0] # ToDo: SchemaClassName is a real property but may not exist on all objects. ObjectType is my own property. Need to verify+test all usage of both for accuracy. # ToDo: Why is $_.Group.SchemaClassName 'user' for the local Administrators group and Authenticated Users group, and it is 'Group' for the TestPC\Owner user? ###} # Exclude the object whose classes were specified in the parameters $SchemaExclusionResult = if ($ExcludeClass.Count -gt 0) { ###$ClassExclusions[$Schema] $ClassExclusions[$_.Account.SchemaClassName] } -not $SchemaExclusionResult -and # Exclude the objects whose names match the regular expressions specified in the parameters ![bool]$( ForEach ($RegEx in $ExcludeAccount) { if ($_.Account.ResolvedAccountName -match $RegEx) { #$FilterContents[$_.Account.ResolvedAccountName] += $_ #TODO: IMPLEMENT IN FUTURE WITH HASHTABLE, NOT += which is demonstrative only for now $true } } ) } # Bugfix #48 https://github.com/IMJLA/Export-Permission/issues/48 # Sending a dummy object down the line to avoid errors # TODO: More elegant solution needed. Downstream code should be able to handle null input. # TODO: Why does this suppress errors, but the object never appears in the tables? NOTE: Suspect this is now resolved by using -AsArray on ConvertTo-Json (lack of this was causing single objects to not be an array therefore not be displayed) if ($null -eq $FilteredPermissions) { $FilteredPermissions = [pscustomobject]@{ 'Account' = 'NoAccountsMatchingCriteria' 'Access' = [pscustomobject]@{ 'IdentityReferenceResolved' = '.' 'FileSystemRights' = '.' 'SourceOfAccess' = '.' 'Name' = '.' 'Department' = '.' 'Title' = '.' } } } $ObjectsForFolderPermissionTable = Select-FolderPermissionTableProperty -InputObject $FilteredPermissions -IgnoreDomain $IgnoreDomain | Sort-Object -Property Account $ThisTable = $ObjectsForFolderPermissionTable | ConvertTo-Html -Fragment | New-BootstrapTable $TableId = "Perms_$($ThisFolder.Item.Path -replace '[^A-Za-z0-9\-_]', '-')" $ThisJsonTable = ConvertTo-BootstrapJavaScriptTable -Id $TableId -InputObject $ObjectsForFolderPermissionTable -DataFilterControl -AllColumnsSearchable # Remove spaces from property titles $ObjectsForJsonData = ForEach ($Obj in $ObjectsForFolderPermissionTable) { [PSCustomObject]@{ Account = $Obj.Account Access = $Obj.Access DuetoMembershipIn = $Obj.'Due to Membership In' SourceofAccess = $Obj.'Source of Access' Name = $Obj.Name Department = $Obj.Department Title = $Obj.Title } } [pscustomobject]@{ HtmlDiv = New-BootstrapDiv -Text ($ThisHeading + $ThisSubHeading + $ThisTable) JsonDiv = New-BootstrapDiv -Text ($ThisHeading + $ThisSubHeading + $ThisJsonTable) JsonColumns = Get-FolderColumnJson -InputObject $ObjectsForFolderPermissionTable -PropNames Account, Access, 'Due to Membership In', 'Source of Access', Name, Department, Title #JsonData = $ObjectsForJsonData | ConvertTo-Json -AsArray # requires PS6+ , unknown if any performance benefit compared to wrapping in @() JsonData = ConvertTo-Json -InputObject @($ObjectsForJsonData) JsonTable = $TableId Path = $ThisFolder.Item.Path } } } function Get-FolderPermissionTableHeader { [OutputType([System.String])] param ( $ThisFolder, [string]$ShortestFolderPath ) $Leaf = $ThisFolder.Item.Path | Split-Path -Parent | Split-Path -Leaf -ErrorAction SilentlyContinue if ($Leaf) { $ParentLeaf = $Leaf } else { $ParentLeaf = $ThisFolder.Item.Path | Split-Path -Parent } if ('' -ne $ParentLeaf) { if ($InputObject.Item.AreAccessRulesProtected) { return "Inheritance is disabled on this folder. Accounts with access to the parent folder and subfolders ($ParentLeaf) cannot access this folder unless they are listed below:" } else { if ($ThisFolder.Item.Path -eq $ShortestFolderPath) { return "Inherited permissions from the parent folder ($ParentLeaf) are included. This folder can only be accessed by the accounts listed below:" } else { return "Inheritance is enabled on this folder. Accounts with access to the parent folder and subfolders ($ParentLeaf) can access this folder. So can any accounts listed below:" } } } else { return "This is the top-level folder. It can only be accessed by the accounts listed below:" } } function Get-FolderTableHeader { param ($RecurseDepth) switch ($RecurseDepth ) { 0 { 'Includes the target folder only (option to report on subfolders was declined)' } -1 { 'Includes the target folder and all subfolders with unique permissions' } default { "Includes the target folder and $RecurseDepth levels of subfolders with unique permissions" } } } function Get-HtmlBody { param ( $FolderList, $HtmlFolderPermissions, $ReportFooter, $HtmlFileList, $LogDir, $HtmlExclusions ) $StringBuilder = [System.Text.StringBuilder]::new() $null = $StringBuilder.Append((New-HtmlHeading "Folders with Permissions in This Report" -Level 3)) $null = $StringBuilder.Append($FolderList) $null = $StringBuilder.Append((New-HtmlHeading "Accounts Included in Those Permissions" -Level 3)) $HtmlFolderPermissions | ForEach-Object { $null = $StringBuilder.Append($_) } if ($HtmlExclusions) { $null = $StringBuilder.Append((New-HtmlHeading "Exclusions from This Report" -Level 3)) $null = $StringBuilder.Append($HtmlExclusions) } $null = $StringBuilder.Append((New-HtmlHeading "Files Generated" -Level 3)) $null = $StringBuilder.Append($HtmlFileList) $null = $StringBuilder.Append($ReportFooter) $StringBuilder.ToString() } function Get-HtmlReportFooter { param ( # Stopwatch that was started when report generation began [System.Diagnostics.Stopwatch]$StopWatch, # NT Account caption (CONTOSO\User) of the account running this function [string]$WhoAmI = (whoami.EXE), <# FQDN of the computer running this function Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), [uint64]$ItemCount, [uint64]$TotalBytes, [string]$ReportInstanceId, [UInt64]$PermissionCount, [UInt64]$PrincipalCount ) $null = $StopWatch.Stop() $FinishTime = Get-Date $StartTime = $FinishTime.AddTicks(-$StopWatch.ElapsedTicks) $TimeZoneName = Get-TimeZoneName -Time $FinishTime $Duration = Format-TimeSpan -TimeSpan $StopWatch.Elapsed if ($TotalBytes) { $Size = " ($($TotalBytes / 1TB) TiB" } $Text = @" Report generated by $WhoAmI on $ThisFQDN starting at $StartTime and ending at $FinishTime $TimeZoneName<br /> Processed $PermissionCount permissions for $PrincipalCount users on $ItemCount items$Size in $Duration<br /> Report instance: $ReportInstanceId "@ New-BootstrapAlert -Class Light -Text $Text } <# $TagetPath.Count parent folders $ItemCount total folders including children $FolderPermissions folders with unique permissions $Permissions.Count access control entries on those folders $Identities.Count identities in those access control entries $FormattedSecurityPrincipals principals represented by those identities $UniqueAccountPermissions.Count unique accounts after filtering out any specified domain names $ExpandedAccountPermissions.Count effective permissions belonging to those principals and applying to those folders #> function Get-PermissionPrincipal { param ( # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Maximum number of concurrent threads to allow [int]$ThreadCount = (Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum, # Cache of security principals keyed by resolved identity reference. END STATE [hashtable]$PrincipalsByResolvedID = ([hashtable]::Synchronized(@{})), # Cache of access control entries keyed by their resolved identities. STARTING STATE [hashtable]$ACEsByResolvedID = ([hashtable]::Synchronized(@{})), # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), <# Dictionary to cache directory entries to avoid redundant lookups Defaults to an empty thread-safe hashtable #> [hashtable]$DirectoryEntryCache = ([hashtable]::Synchronized(@{})), # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), # Hashtable with known domain DNS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName,AdsiProvider,Win32Accounts properties as values [hashtable]$DomainsByFqdn = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, <# Do not get group members (only report the groups themselves) Note: By default, the -ExcludeClass parameter will exclude groups from the report. If using -NoGroupMembers, you most likely want to modify the value of -ExcludeClass. Remove the 'group' class from ExcludeClass in order to see groups on the report. #> [switch]$NoGroupMembers, # ID of the parent progress bar under which to show progres [int]$ProgressParentId, # The current domain # Can be passed as a parameter to reduce calls to Get-CurrentDomain [string]$CurrentDomain = (Get-CurrentDomain) ) $Progress = @{ Activity = 'Get-PermissionPrincipal' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } [string[]]$IDs = $ACEsByResolvedID.Keys $Count = $IDs.Count Write-Progress @Progress -Status "0% (identity 0 of $Count)" -CurrentOperation 'Initialize' -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } $ADSIConversionParams = @{ DirectoryEntryCache = $DirectoryEntryCache DomainsBySID = $DomainsBySID DomainsByNetbios = $DomainsByNetbios DomainsByFqdn = $DomainsByFqdn ThisHostName = $ThisHostName ThisFqdn = $ThisFqdn WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache CimCache = $CimCache DebugOutputStream = $DebugOutputStream PrincipalsByResolvedID = $PrincipalsByResolvedID # end state ACEsByResolvedID = $ACEsByResolvedID # start state CurrentDomain = $CurrentDomain } if ($ThreadCount -eq 1) { if ($NoGroupMembers) { $ADSIConversionParams['NoGroupMembers'] = $true } [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisID in $IDs) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (identity $($i + 1) of $Count) ConvertFrom-IdentityReferenceResolved" -CurrentOperation $ThisID -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ Write-LogMsg @LogParams -Text "ConvertFrom-IdentityReferenceResolved -IdentityReference '$ThisID'" ConvertFrom-IdentityReferenceResolved -IdentityReference $ThisID @ADSIConversionParams } } else { if ($NoGroupMembers) { $ADSIConversionParams['AddSwitch'] = 'NoGroupMembers' } $SplitThreadParams = @{ Command = 'ConvertFrom-IdentityReferenceResolved' InputObject = $IDs InputParameter = 'IdentityReference' ObjectStringProperty = 'Name' TodaysHostname = $ThisHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $ADSIConversionParams } Write-LogMsg @LogParams -Text "Split-Thread -Command 'ConvertFrom-IdentityReferenceResolved' -InputParameter 'IdentityReference' -InputObject `$IDs" Split-Thread @SplitThreadParams } Write-Progress @Progress -Completed } function Get-PrtgXmlSensorOutput { param ( $NtfsIssues ) $Channels = [System.Collections.Generic.List[string]]::new() # Build our XML output formatted for PRTG. $ChannelParams = @{ MaxError = 0.5 Channel = 'Folders with inheritance disabled' Value = ($NtfsIssues.FoldersWithBrokenInheritance | Measure-Object).Count CustomUnit = 'folders' } Format-PrtgXmlResult @ChannelParams | ForEach-Object { $null = $Channels.Add($_) } $ChannelParams = @{ MaxError = 0.5 Channel = 'ACEs for groups breaking naming convention' Value = ($NtfsIssues.NonCompliantGroups | Measure-Object).Count CustomUnit = 'ACEs' } Format-PrtgXmlResult @ChannelParams | ForEach-Object { $null = $Channels.Add($_) } $ChannelParams = @{ MaxError = 0.5 Channel = 'ACEs for users instead of groups' Value = ($NtfsIssues.UserACEs | Measure-Object).Count CustomUnit = 'ACEs' } Format-PrtgXmlResult @ChannelParams | ForEach-Object { $null = $Channels.Add($_) } $ChannelParams = @{ MaxError = 0.5 Channel = 'ACEs for unresolvable SIDs' Value = ($NtfsIssues.SIDsToCleanup | Measure-Object).Count CustomUnit = 'ACEs' } Format-PrtgXmlResult @ChannelParams | ForEach-Object { $null = $Channels.Add($_) } $ChannelParams = @{ MaxError = 0.5 Channel = "Folders with 'CREATOR OWNER' access" Value = ($NtfsIssues.FoldersWithCreatorOwner | Measure-Object).Count CustomUnit = 'folders' } Format-PrtgXmlResult @ChannelParams | ForEach-Object { $null = $Channels.Add($_) } Format-PrtgXmlSensorOutput -PrtgXmlResult $Channels -IssueDetected:$($NtfsIssues.IssueDetected) } function Get-ReportDescription { param ($RecurseDepth) switch ($RecurseDepth ) { 0 { 'Does not include permissions on subfolders (option was declined)' } -1 { 'Includes all subfolders with unique permissions (including ∞ levels of subfolders)' } default { "Includes all subfolders with unique permissions (down to $RecurseDepth levels of subfolders)" } } } function Get-TimeZoneName { param ( [datetime]$Time, [Microsoft.Management.Infrastructure.CimInstance]$TimeZone = (Get-CimInstance -ClassName Win32_TimeZone) ) if ($Time.IsDaylightSavingTime()) { return $TimeZone.DaylightName } else { return $TimeZone.StandardName } } # Build a list of known ADSI server names to use to populate the caches # Include the FQDN of the current computer and the known trusted domains function Get-UniqueServerFqdn { param ( # Known server FQDNs to include in the output [string[]]$Known, # File paths whose server FQDNs to include in the output [string[]]$FilePath, <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Get-UniqueServerFqdn' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Count = $FilePath.Count Write-Progress @Progress -Status "0% (path 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 $UniqueValues = @{ $ThisFqdn = $null } ForEach ($Value in $Known) { $UniqueValues[$Value] = $null } # Add server names from the ACL paths [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisPath in $FilePath) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (path $($i + 1) of $Count)" -CurrentOperation "Find-ServerNameInPath '$ThisPath'" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after Write-Progress to show progress conservatively rather than optimistically $UniqueValues[(Find-ServerNameInPath -LiteralPath $ThisPath -ThisFqdn $ThisFqdn)] = $null } Write-Progress @Progress -Completed return $UniqueValues.Keys } function Group-Permission { param ( [object[]]$InputObject, [string]$Property ) $Cache = @{} ForEach ($Permission in $InputObject) { $Key = $Permission.$Property $CacheResult = $Cache[$Key] if (-not $CacheResult) { $CacheResult = [System.Collections.Generic.List[object]]::new() } $CacheResult.Add($Permission) $Cache[$Key] = $CacheResult } ForEach ($Key in $Cache.Keys) { $CacheResult = $Cache[$Key] [pscustomobject]@{ PSTypeName = "Permission.$Property`Permission" Group = $CacheResult Name = $Key Count = $CacheResult.Count } } } function Initialize-Cache { <# Pre-populate caches in memory to avoid redundant ADSI and CIM queries Use known ADSI and CIM server FQDNs to populate six caches: Three caches of known ADSI directory servers The first cache is keyed on domain SID (e.g. S-1-5-2) The second cache is keyed on domain FQDN (e.g. ad.contoso.com) The first cache is keyed on domain NetBIOS name (e.g. CONTOSO) Two caches of known Win32_Account instances The first cache is keyed on SID (e.g. S-1-5-2) The second cache is keyed on the Caption (NT Account name e.g. CONTOSO\user1) Also populate a cache of DirectoryEntry objects for any domains that have them This prevents threads that start near the same time from finding the cache empty and attempting costly operations to populate it This prevents repetitive queries to the same directory servers #> param ( # FQDNs of the ADSI servers to use to populate the cache [Parameter(ValueFromPipeline)] [string[]]$Fqdn, # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Maximum number of concurrent threads to allow [int]$ThreadCount = (Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), <# Dictionary to cache directory entries to avoid redundant lookups Defaults to an empty thread-safe hashtable #> [hashtable]$DirectoryEntryCache = ([hashtable]::Synchronized(@{})), # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), # Hashtable with known domain DNS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName,AdsiProvider,Win32Accounts properties as values [hashtable]$DomainsByFqdn = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId ) $Progress = @{ Activity = 'Initialize-Cache' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Count = $ServerFqdns.Count Write-Progress -Status "0% (FQDN 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 @Progress $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } $GetAdsiServer = @{ DirectoryEntryCache = $DirectoryEntryCache DomainsByFqdn = $DomainsByFqdn DomainsByNetbios = $DomainsByNetbios DomainsBySid = $DomainsBySid ThisHostName = $ThisHostName ThisFqdn = $ThisFqdn WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache CimCache = $CimCache } if ($ThreadCount -eq 1) { [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisServerName in $ServerFqdns) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (FQDN $($i + 1) of $Count) Get-AdsiServer" -CurrentOperation "Get-AdsiServer '$ThisServerName'" -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after Write-Progress to show progress conservatively rather than optimistically Write-LogMsg @LogParams -Text "Get-AdsiServer -Fqdn '$ThisServerName'" $null = Get-AdsiServer -Fqdn $ThisServerName @GetAdsiServer } } else { $SplitThread = @{ Command = 'Get-AdsiServer' InputObject = $ServerFqdns InputParameter = 'Fqdn' TodaysHostname = $ThisHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Timeout = 600 Threads = $ThreadCount AddParam = $GetAdsiServer } Write-LogMsg @LogParams -Text "Split-Thread -Command 'Get-AdsiServer' -InputParameter AdsiServer -InputObject @('$($ServerFqdns -join "',")')" $null = Split-Thread @SplitThread } Write-Progress @Progress -Completed } function Invoke-PermissionCommand { param ( [string]$Command ) $Steps = [System.Collections.Specialized.OrderedDictionary]::New() $Steps.Add( 'Get the NTAccount caption of the user running the script, with the correct capitalization', { HOSTNAME.EXE } ) $Steps.Add( 'Get the hostname of the computer running the script', { Get-CurrentWhoAmI -LogMsgCache $LogMsgCache -ThisHostName $ThisHostname } ) $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname #Type = $DebugOutputStream WhoAmI = $WhoAmI } $StepCount = $Steps.Count Write-LogMsg @LogParams -Type Verbose -Text $Command $ScriptBlock = $Steps[$Command] Write-LogMsg @LogParams -Type Debug -Text $ScriptBlock Invoke-Command -ScriptBlock $ScriptBlock } function Remove-CachedCimSession { param ( # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})) ) ForEach ($CacheResult in $CimCache.Values) { if ($CacheResult) { $CimSession = $CacheResult['CimSession'] if ($CimSession) { $null = Remove-CimSession -CimSession $CimSession } } } } function Resolve-AccessControlList { # Wrapper to multithread Resolve-Acl # Resolve identities in access control lists to their SIDs and NTAccount names param ( # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Maximum number of concurrent threads to allow [int]$ThreadCount = (Get-CimInstance -ClassName CIM_Processor | Measure-Object -Sum -Property NumberOfLogicalProcessors).Sum, # Cache of access control entries keyed by GUID generated in this function [hashtable]$ACEsByGUID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their resolved identities [hashtable]$AceGUIDsByResolvedID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their paths [hashtable]$AceGUIDsByPath = ([hashtable]::Synchronized(@{})), # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), <# Dictionary to cache directory entries to avoid redundant lookups Defaults to an empty thread-safe hashtable #> [hashtable]$DirectoryEntryCache = ([hashtable]::Synchronized(@{})), # Hashtable with known domain DNS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName,AdsiProvider,Win32Accounts properties as values [hashtable]$DomainsByFqdn = ([hashtable]::Synchronized(@{})), # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # ID of the parent progress bar under which to show progres [int]$ProgressParentId, # String translations indexed by value in the [System.Security.AccessControl.InheritanceFlags] enum # Parameter default value is on a single line as a workaround to a PlatyPS bug [string[]]$InheritanceFlagResolved = @('this folder but not subfolders', 'this folder and subfolders', 'this folder and files, but not subfolders', 'this folder, subfolders, and files') ) $Progress = @{ Activity = 'Resolve-AccessControlList' } if ($PSBoundParameters.ContainsKey('ProgressParentId')) { $Progress['ParentId'] = $ProgressParentId $Progress['Id'] = $ProgressParentId + 1 } else { $Progress['Id'] = 0 } $Paths = $ACLsByPath.Keys $Count = $Paths.Count Write-Progress @Progress -Status "0% (ACL 0 of $Count)" -CurrentOperation 'Initializing' -PercentComplete 0 $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputStream WhoAmI = $WhoAmI } $ACEPropertyName = (Get-Member -InputObject $ACLsByPath.Values.Access[0] -MemberType Property, CodeProperty, ScriptProperty, NoteProperty).Name $ResolveAclParams = @{ DirectoryEntryCache = $DirectoryEntryCache DomainsBySID = $DomainsBySID DomainsByNetbios = $DomainsByNetbios DomainsByFqdn = $DomainsByFqdn ThisHostName = $ThisHostName ThisFqdn = $ThisFqdn WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache CimCache = $CimCache ACEsByGuid = $ACEsByGUID AceGUIDsByPath = $AceGUIDsByPath AceGUIDsByResolvedID = $AceGUIDsByResolvedID ACLsByPath = $ACLsByPath ACEPropertyName = $ACEPropertyName InheritanceFlagResolved = $InheritanceFlagResolved } if ($ThreadCount -eq 1) { [int]$ProgressInterval = [math]::max(($Count / 100), 1) $IntervalCounter = 0 $i = 0 ForEach ($ThisPath in $Paths) { $IntervalCounter++ if ($IntervalCounter -eq $ProgressInterval) { [int]$PercentComplete = $i / $Count * 100 Write-Progress @Progress -Status "$PercentComplete% (ACL $($i + 1) of $Count) Resolve-Acl" -CurrentOperation $ThisPath -PercentComplete $PercentComplete $IntervalCounter = 0 } $i++ # increment $i after Write-Progress to show progress conservatively rather than optimistically Write-LogMsg @LogParams -Text "Resolve-Acl -InputObject '$ThisPath' -ACLsByPath `$ACLsByPath -ACEsByGUID `$ACEsByGUID" Resolve-Acl -ItemPath $ThisPath @ResolveAclParams } } else { $SplitThreadParams = @{ Command = 'Resolve-Acl' InputObject = $Paths InputParameter = 'ItemPath' TodaysHostname = $ThisHostname WhoAmI = $WhoAmI LogMsgCache = $LogMsgCache Threads = $ThreadCount AddParam = $ResolveAclParams #DebugOutputStream = 'Debug' } Write-LogMsg @LogParams -Text "Split-Thread -Command 'Resolve-Acl' -InputParameter InputObject -InputObject @('$($ACLsByPath.Keys -join "','")') -AddParam @{ACLsByPath=`$ACLsByPath;ACEsByGUID=`$ACEsByGUID}" Split-Thread @SplitThreadParams } Write-Progress @Progress -Completed } function Resolve-Ace { <# .SYNOPSIS Use ADSI to lookup info about IdentityReferences from Authorization Rule Collections that came from Discretionary Access Control Lists .DESCRIPTION Based on the IdentityReference proprety of each Access Control Entry: Resolve SID to NT account name and vise-versa Resolve well-known SIDs Resolve generic defaults like 'NT AUTHORITY' and 'BUILTIN' to the applicable computer or domain name Add these properties (IdentityReferenceSID,IdentityReferenceResolved) to the object and return it .INPUTS [System.Security.AccessControl.AuthorizationRuleCollection]$ACE .OUTPUTS [PSCustomObject] Original object plus IdentityReferenceSID,IdentityReferenceResolved, and AdsiProvider properties .EXAMPLE Get-Acl | Expand-Acl | Resolve-Ace Use Get-Acl from the Microsoft.PowerShell.Security module as the source of the access list This works in either Windows Powershell or in Powershell Get-Acl does not support long paths (>256 characters) That was why I originally used the .Net Framework method .EXAMPLE Get-FolderAce -LiteralPath C:\Test -IncludeInherited | Resolve-Ace .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner $FileSecurity = [System.Security.AccessControl.FileSecurity]::new($DirectoryInfo,$Sections) $IncludeExplicitRules = $true $IncludeInheritedRules = $true $AccountType = [System.Security.Principal.SecurityIdentifier] $FileSecurity.GetAccessRules($IncludeExplicitRules,$IncludeInheritedRules,$AccountType) | Resolve-Ace This uses .Net Core as the source of the access list It uses the GetAccessRules method on the [System.Security.AccessControl.FileSecurity] class The targetType parameter of the method is used to specify that the accounts in the ACL are returned as SIDs .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner -bor [System.Security.AccessControl.AccessControlSections]::Group $DirectorySecurity = [System.Security.AccessControl.DirectorySecurity]::new($DirectoryInfo,$Sections) $IncludeExplicitRules = $true $IncludeInheritedRules = $true $AccountType = [System.Security.Principal.NTAccount] $FileSecurity.GetAccessRules($IncludeExplicitRules,$IncludeInheritedRules,$AccountType) | Resolve-Ace This uses .Net Core as the source of the access list It uses the GetAccessRules method on the [System.Security.AccessControl.FileSecurity] class The targetType parameter of the method is used to specify that the accounts in the ACL are returned as NT account names (DOMAIN\User) .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath [System.Security.AccessControl.DirectorySecurity]$DirectorySecurity = $DirectoryInfo.GetAccessControl('Access') [System.Security.AccessControl.AuthorizationRuleCollection]$AuthRules = $DirectorySecurity.Access $AuthRules | Resolve-Ace Use the .Net Framework (or legacy .Net Core up to 2.2) as the source of the access list Only works in Windows PowerShell Those versions of .Net had a GetAccessControl method on the [System.IO.DirectoryInfo] class This method is removed in modern versions of .Net Core .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner $FileSecurity = [System.IO.FileSystemAclExtensions]::GetAccessControl($DirectoryInfo,$Sections) The [System.IO.FileSystemAclExtensions] class is a Windows-specific implementation It provides no known benefit over the cross-platform equivalent [System.Security.AccessControl.FileSecurity] .NOTES Dependencies: Get-DirectoryEntry Add-SidInfo Get-TrustedDomain Find-AdsiProvider if ($FolderPath.Length -gt 255) { $FolderPath = "\\?\$FolderPath" } #> [OutputType([void])] param ( # Authorization Rule Collection of Access Control Entries from Discretionary Access Control Lists [Parameter( ValueFromPipeline )] [object]$ACE, # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}), [Parameter( ValueFromPipeline )] [object]$ItemPath, # Cache of access control entries keyed by GUID generated in this function [hashtable]$ACEsByGUID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their resolved identities [hashtable]$AceGUIDsByResolvedID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their paths [hashtable]$AceGUIDsByPath = ([hashtable]::Synchronized(@{})), <# Dictionary to cache directory entries to avoid redundant lookups Defaults to an empty thread-safe hashtable #> [hashtable]$DirectoryEntryCache = ([hashtable]::Synchronized(@{})), # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), # Hashtable with known domain DNS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByFqdn = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', [string[]]$ACEPropertyName = (Get-Member -InputObject $ACE -MemberType Property, CodeProperty, ScriptProperty, NoteProperty).Name, # Will be set as the Source property of the output object. # Intended to reflect permissions resulting from Ownership rather than Discretionary Access Lists [string]$Source, # String translations indexed by value in the [System.Security.AccessControl.InheritanceFlags] enum # Parameter default value is on a single line as a workaround to a PlatyPS bug [string[]]$InheritanceFlagResolved = @('this folder but not subfolders', 'this folder and subfolders', 'this folder and files, but not subfolders', 'this folder, subfolders, and files') ) $LogParams = @{ ThisHostname = $ThisHostname Type = $DebugOutputStream LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } $Log = @{ ThisHostname = $ThisHostname LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } $Cache1 = @{ DirectoryEntryCache = $DirectoryEntryCache DomainsByFqdn = $DomainsByFqdn } $Cache2 = @{ DomainsByNetBIOS = $DomainsByNetbios DomainsBySid = $DomainsBySid CimCache = $CimCache } Write-LogMsg @LogParams -Text "Resolve-IdentityReferenceDomainDNS -IdentityReference '$($ACE.IdentityReference)' -ItemPath '$ItemPath' -ThisFqdn '$ThisFqdn' @Cache2 @Log" $DomainDNS = Resolve-IdentityReferenceDomainDNS -IdentityReference $ACE.IdentityReference -ItemPath $ItemPath -ThisFqdn $ThisFqdn @Cache2 @Log Write-LogMsg @LogParams -Text "`$AdsiServer = Get-AdsiServer -Fqdn '$DomainDNS' -ThisFqdn '$ThisFqdn'" $AdsiServer = Get-AdsiServer -Fqdn $DomainDNS -ThisFqdn $ThisFqdn @GetAdsiServerParams @Cache1 @Cache2 @Log Write-LogMsg @LogParams -Text "Resolve-IdentityReference -IdentityReference '$($ACE.IdentityReference)' -AdsiServer `$AdsiServer -ThisFqdn '$ThisFqdn' # ADSI server '$($AdsiServer.AdsiProvider)://$($AdsiServer.Dns)'" $ResolvedIdentityReference = Resolve-IdentityReference -IdentityReference $ACE.IdentityReference -AdsiServer $AdsiServer -ThisFqdn $ThisFqdn @Cache1 @Cache2 @Log # TODO: add a param to offer DNS instead of or in addition to NetBIOS $ObjectProperties = @{ Access = "$($ACE.AccessControlType) $($ACE.FileSystemRights) $($InheritanceFlagResolved[$ACE.InheritanceFlags])" AdsiProvider = $AdsiServer.AdsiProvider AdsiServer = $AdsiServer.Dns IdentityReferenceSID = $ResolvedIdentityReference.SIDString IdentityReferenceResolved = $ResolvedIdentityReference.IdentityReferenceNetBios Path = $ItemPath SourceOfAccess = $Source PSTypeName = 'Permission.AccessControlEntry' } ForEach ($ThisProperty in $ACEPropertyName) { $ObjectProperties[$ThisProperty] = $ACE.$ThisProperty } $OutputObject = [PSCustomObject]$ObjectProperties $Guid = [guid]::NewGuid() Add-CacheItem -Cache $ACEsByGUID -Key $Guid -Value $OutputObject -Type ([object]) $Type = [guid] Add-CacheItem -Cache $AceGUIDsByResolvedID -Key $OutputObject.IdentityReferenceResolved -Value $Guid -Type $Type Add-CacheItem -Cache $AceGUIDsByPath -Key $OutputObject.Path -Value $Guid -Type $Type } function Resolve-Acl { <# .SYNOPSIS Use ADSI to lookup info about IdentityReferences from Authorization Rule Collections that came from Discretionary Access Control Lists .DESCRIPTION Based on the IdentityReference proprety of each Access Control Entry: Resolve SID to NT account name and vise-versa Resolve well-known SIDs Resolve generic defaults like 'NT AUTHORITY' and 'BUILTIN' to the applicable computer or domain name Add these properties (IdentityReferenceSID,IdentityReferenceName,IdentityReferenceResolved) to the object and return it .INPUTS [System.Security.AccessControl.AuthorizationRuleCollection]$ItemPath .OUTPUTS [PSCustomObject] Original object plus IdentityReferenceSID,IdentityReferenceName,IdentityReferenceResolved, and AdsiProvider properties .EXAMPLE Get-Acl | Expand-Acl | Resolve-Ace Use Get-Acl from the Microsoft.PowerShell.Security module as the source of the access list This works in either Windows Powershell or in Powershell Get-Acl does not support long paths (>256 characters) That was why I originally used the .Net Framework method .EXAMPLE Get-FolderAce -LiteralPath C:\Test -IncludeInherited | Resolve-Ace .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner $FileSecurity = [System.Security.AccessControl.FileSecurity]::new($DirectoryInfo,$Sections) $IncludeExplicitRules = $true $IncludeInheritedRules = $true $AccountType = [System.Security.Principal.SecurityIdentifier] $FileSecurity.GetAccessRules($IncludeExplicitRules,$IncludeInheritedRules,$AccountType) | Resolve-Ace This uses .Net Core as the source of the access list It uses the GetAccessRules method on the [System.Security.AccessControl.FileSecurity] class The targetType parameter of the method is used to specify that the accounts in the ACL are returned as SIDs .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner -bor [System.Security.AccessControl.AccessControlSections]::Group $DirectorySecurity = [System.Security.AccessControl.DirectorySecurity]::new($DirectoryInfo,$Sections) $IncludeExplicitRules = $true $IncludeInheritedRules = $true $AccountType = [System.Security.Principal.NTAccount] $FileSecurity.GetAccessRules($IncludeExplicitRules,$IncludeInheritedRules,$AccountType) | Resolve-Ace This uses .Net Core as the source of the access list It uses the GetAccessRules method on the [System.Security.AccessControl.FileSecurity] class The targetType parameter of the method is used to specify that the accounts in the ACL are returned as NT account names (DOMAIN\User) .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath [System.Security.AccessControl.DirectorySecurity]$DirectorySecurity = $DirectoryInfo.GetAccessControl('Access') [System.Security.AccessControl.AuthorizationRuleCollection]$AuthRules = $DirectorySecurity.Access $AuthRules | Resolve-Ace Use the .Net Framework (or legacy .Net Core up to 2.2) as the source of the access list Only works in Windows PowerShell Those versions of .Net had a GetAccessControl method on the [System.IO.DirectoryInfo] class This method is removed in modern versions of .Net Core .EXAMPLE [System.String]$FolderPath = 'C:\Test' [System.IO.DirectoryInfo]$DirectoryInfo = Get-Item -LiteralPath $FolderPath $Sections = [System.Security.AccessControl.AccessControlSections]::Access -bor [System.Security.AccessControl.AccessControlSections]::Owner $FileSecurity = [System.IO.FileSystemAclExtensions]::GetAccessControl($DirectoryInfo,$Sections) The [System.IO.FileSystemAclExtensions] class is a Windows-specific implementation It provides no known benefit over the cross-platform equivalent [System.Security.AccessControl.FileSecurity] .NOTES Dependencies: Get-DirectoryEntry Add-SidInfo Get-TrustedDomain Find-AdsiProvider if ($FolderPath.Length -gt 255) { $FolderPath = "\\?\$FolderPath" } #> [OutputType([PSCustomObject])] param ( # Authorization Rule Collection of Access Control Entries from Discretionary Access Control Lists [Parameter( ValueFromPipeline )] [object]$ItemPath, # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}), # Cache of access control entries keyed by GUID generated in this function [hashtable]$ACEsByGUID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their resolved identities [hashtable]$AceGUIDsByResolvedID = ([hashtable]::Synchronized(@{})), # Cache of access control entry GUIDs keyed by their paths [hashtable]$AceGUIDsByPath = ([hashtable]::Synchronized(@{})), <# Dictionary to cache directory entries to avoid redundant lookups Defaults to an empty thread-safe hashtable #> [hashtable]$DirectoryEntryCache = ([hashtable]::Synchronized(@{})), # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), # Hashtable with known domain DNS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByFqdn = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', [string[]]$ACEPropertyName = (Get-Member -InputObject $ItemPath -MemberType Property, CodeProperty, ScriptProperty, NoteProperty).Name, # String translations indexed by value in the [System.Security.AccessControl.InheritanceFlags] enum # Parameter default value is on a single line as a workaround to a PlatyPS bug [string[]]$InheritanceFlagResolved = @('this folder but not subfolders', 'this folder and subfolders', 'this folder and files, but not subfolders', 'this folder, subfolders, and files') ) $LogParams = @{ ThisHostname = $ThisHostname Type = $DebugOutputStream LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } $ACL = $ACLsByPath[$ItemPath] if ($ACL.Owner.IdentityReference) { Write-LogMsg -Text "Resolve-Ace -ACE $($ACL.Owner) -ACEPropertyName @('$($ACEPropertyName -join "','")') @PSBoundParameters" @LogParams Resolve-Ace -ACE $ACL.Owner -Source 'Ownership' @PSBoundParameters } ForEach ($ACE in $ACL.Access) { Write-LogMsg -Text "Resolve-Ace -ACE $ACE -ACEPropertyName @('$($ACEPropertyName -join "','")') @PSBoundParameters" @LogParams Resolve-Ace -ACE $ACE -Source 'Discretionary ACL' @PSBoundParameters } } function Resolve-Folder { # Resolve the provided FolderPath to all of its associated UNC paths, including all DFS folder targets param ( # Path of the folder(s) to resolve to all their associated UNC paths [string]$TargetPath, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Hostname to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$ThisHostname = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Hashtable of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages ) $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputstream WhoAmI = $WhoAmI } $LoggingParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname DebugOutputStream = $DebugOutputStream WhoAmI = $WhoAmI } $RegEx = '^(?<DriveLetter>\w):' if ($TargetPath -match $RegEx) { Write-LogMsg @LogParams -Text "Get-CachedCimInstance -ComputerName $ThisHostname -ClassName Win32_MappedLogicalDisk" $MappedNetworkDrives = Get-CachedCimInstance -ComputerName $ThisHostname -ClassName Win32_MappedLogicalDisk -KeyProperty DeviceID -CimCache $CimCache -ThisFqdn $ThisFqdn @LoggingParams $MatchingNetworkDrive = $MappedNetworkDrives | Where-Object -FilterScript { $_.DeviceID -eq "$($Matches.DriveLetter):" } if ($MatchingNetworkDrive) { # Resolve mapped network drives to their UNC path $UNC = $MatchingNetworkDrive.ProviderName } else { # Resolve local drive letters to their UNC paths using administrative shares $UNC = $TargetPath -replace $RegEx, "\\$(hostname)\$($Matches.DriveLetter)$" } if ($UNC) { # Replace hostname with FQDN in the path $Server = $UNC.split('\')[2] $FQDN = ConvertTo-DnsFqdn -ComputerName $Server $UNC -replace "^\\\\$Server\\", "\\$FQDN\" } } else { ## Workaround in place: Get-NetDfsEnum -Verbose parameter is not used due to errors when it is used with the PsRunspace module for multithreading ## https://github.com/IMJLA/Export-Permission/issues/46 ## https://github.com/IMJLA/PsNtfs/issues/1 Write-LogMsg @LogParams -Text "Get-NetDfsEnum -FolderPath '$TargetPath'" $AllDfs = Get-NetDfsEnum -FolderPath $TargetPath -ErrorAction SilentlyContinue if ($AllDfs) { $MatchingDfsEntryPaths = $AllDfs | Group-Object -Property DfsEntryPath | Where-Object -FilterScript { $TargetPath -match [regex]::Escape($_.Name) } # Filter out the DFS Namespace # TODO: I know this is an inefficient n2 algorithm, but my brain is fried...plez...halp...leeloo dallas multipass $RemainingDfsEntryPaths = $MatchingDfsEntryPaths | Where-Object -FilterScript { -not [bool]$( ForEach ($ThisEntryPath in $MatchingDfsEntryPaths) { if ($ThisEntryPath.Name -match "$([regex]::Escape("$($_.Name)")).+") { $true } } ) } | Sort-Object -Property Name $RemainingDfsEntryPaths | Select-Object -Last 1 -ExpandProperty Group | ForEach-Object { $_.FullOriginalQueryPath -replace [regex]::Escape($_.DfsEntryPath), $_.DfsTarget } } else { $Server = $TargetPath.split('\')[2] $FQDN = ConvertTo-DnsFqdn -ComputerName $Server $TargetPath -replace "^\\\\$Server\\", "\\$FQDN\" } } } function Resolve-IdentityReferenceDomainDNS { param ( [string]$IdentityReference, [object]$ItemPath, # Hashtable with known domain NetBIOS names as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsByNetbios = ([hashtable]::Synchronized(@{})), # Hashtable with known domain SIDs as keys and objects with Dns,NetBIOS,SID,DistinguishedName properties as values [hashtable]$DomainsBySid = ([hashtable]::Synchronized(@{})), <# Hostname of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE #> [string]$ThisHostName = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Dictionary of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})) ) $LogParams = @{ ThisHostname = $ThisHostname Type = $DebugOutputStream LogMsgCache = $LogMsgCache WhoAmI = $WhoAmI } switch -Wildcard ($IdentityReference) { "S-1-*" { # IdentityReference is a SID (Revision 1) $IndexOfLastHyphen = $IdentityReference.LastIndexOf("-") $DomainSid = $IdentityReference.Substring(0, $IndexOfLastHyphen) if ($DomainSid) { $DomainCacheResult = $DomainsBySID[$DomainSid] if ($DomainCacheResult) { Write-LogMsg @LogParams -Text " # Domain SID cache hit for '$DomainSid' for '$IdentityReference'" $DomainDNS = $DomainCacheResult.Dns } else { Write-LogMsg @LogParams -Text " # Domain SID cache miss for '$DomainSid' for '$IdentityReference'" } } } "NT SERVICE\*" {} "BUILTIN\*" {} "NT AUTHORITY\*" {} default { $DomainNetBIOS = ($IdentityReference -split '\\')[0] if ($DomainNetBIOS) { $DomainDNS = $DomainsByNetbios[$DomainNetBIOS].Dns #Doesn't work for BUILTIN, etc. } if (-not $DomainDNS) { $ThisServerDn = ConvertTo-DistinguishedName -Domain $DomainNetBIOS -DomainsByNetbios $DomainsByNetbios @LoggingParams $DomainDNS = ConvertTo-Fqdn -DistinguishedName $ThisServerDn -ThisFqdn $ThisFqdn -CimCache $CimCache @LoggingParams } } } if (-not $DomainDNS) { # TODO - Bug: I think this will report incorrectly for a remote domain not in the cache (trust broken or something) Write-LogMsg @LogParams -Text "Find-ServerNameInPath -LiteralPath '$ItemPath' -ThisFqdn '$ThisFqdn'" $DomainDNS = Find-ServerNameInPath -LiteralPath $ItemPath -ThisFqdn $ThisFqdn } return $DomainDNS } function Resolve-PermissionTarget { # Resolve each target path to all of its associated UNC paths (including all DFS folder targets) param ( # Path to the NTFS folder whose permissions to export [Parameter(ValueFromPipeline)] [ValidateScript({ Test-Path $_ })] [System.IO.DirectoryInfo[]]$TargetPath, # Cache of CIM sessions and instances to reduce connections and queries [hashtable]$CimCache = ([hashtable]::Synchronized(@{})), # Output stream to send the log messages to [ValidateSet('Silent', 'Quiet', 'Success', 'Debug', 'Verbose', 'Output', 'Host', 'Warning', 'Error', 'Information', $null)] [string]$DebugOutputStream = 'Debug', # Hostname to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$ThisHostname = (HOSTNAME.EXE), <# FQDN of the computer running this function. Can be provided as a string to avoid calls to HOSTNAME.EXE and [System.Net.Dns]::GetHostByName() #> [string]$ThisFqdn = ([System.Net.Dns]::GetHostByName((HOSTNAME.EXE)).HostName), # Username to record in log messages (can be passed to Write-LogMsg as a parameter to avoid calling an external process) [string]$WhoAmI = (whoami.EXE), # Hashtable of log messages for Write-LogMsg (can be thread-safe if a synchronized hashtable is provided) [hashtable]$LogMsgCache = $Global:LogMessages, # Cache of access control lists keyed by path [hashtable]$ACLsByPath = [hashtable]::Synchronized(@{}) ) $LogParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname Type = $DebugOutputstream WhoAmI = $WhoAmI } $ResolveFolderParams = @{ LogMsgCache = $LogMsgCache ThisHostname = $ThisHostname DebugOutputStream = $DebugOutputStream WhoAmI = $WhoAmI CimCache = $CimCache ThisFqdn = $ThisFqdn } ForEach ($ThisTargetPath in $TargetPath) { Write-LogMsg @LogParams -Text "Resolve-Folder -TargetPath '$ThisTargetPath'" $Resolved = Resolve-Folder -TargetPath $ThisTargetPath @ResolveFolderParams ForEach ($ThisOne in $Resolved) { $ACLsByPath[$ThisOne] = $null } } } function Select-FolderPermissionTableProperty { # For the HTML table param ( $InputObject, $IgnoreDomain ) ForEach ($Object in $InputObject) { # Each ACE contains the original IdentityReference representing the group the Object is a member of $GroupString = ($Object.Access.IdentityReferenceResolved | Sort-Object -Unique) -join ' ; ' # ToDo: param to allow setting [self] instead of the objects own name for this property #if ($GroupString -eq $Object.Account.ResolvedAccountName) { # $GroupString = '[self]' #} else { ForEach ($IgnoreThisDomain in $IgnoreDomain) { $GroupString = $GroupString -replace "$IgnoreThisDomain\\", '' } #} [pscustomobject]@{ 'Account' = $Object.Account.ResolvedAccountName 'Access' = ($Object.Access.FileSystemRights | Sort-Object -Unique) -join ' ; ' 'Due to Membership In' = $GroupString 'Source of Access' = ($Object.Access.SourceOfAccess | Sort-Object -Unique) -join ' ; ' 'Name' = $Object.Account.Name 'Department' = $Object.Account.Department 'Title' = $Object.Account.Title } } } function Select-ItemTableProperty { # For the HTML table param ( $InputObject, $Culture = (Get-Culture) ) ForEach ($Object in $InputObject) { [PSCustomObject]@{ Folder = $Object.Item.Path Inheritance = $Culture.TextInfo.ToTitleCase(-not $Object.Item.AreAccessRulesProtected) } } } function Select-UniquePrincipal { param ( # Cache of security principals keyed by resolved identity reference [hashtable]$PrincipalsByResolvedID = ([hashtable]::Synchronized(@{})), # Regular expressions matching names of Users or Groups to exclude from the Html report [string[]]$ExcludeAccount, <# Domain(s) to ignore (they will be removed from the username) Intended when a user has matching SamAccountNames in multiple domains but you only want them to appear once on the report. Can also be used to remove all domains simply for brevity in the report. #> [string[]]$IgnoreDomain, # Hashtable will be used to deduplicate $UniquePrincipal = [hashtable]::Synchronized(@{}), $UniquePrincipalsByResolvedID = [hashtable]::Synchronized(@{}) ) $FilterContents = @{} ForEach ($ThisID in $PrincipalsByResolvedID.Keys) { if ( # Exclude the objects whose names match the regular expressions specified in the parameters [bool]$( ForEach ($RegEx in $ExcludeAccount) { if ($ThisID -match $RegEx) { $FilterContents[$ThisID] = $ThisID $true } } ) ) { continue } $ShortName = $ThisID ForEach ($IgnoreThisDomain in $IgnoreDomain) { $ShortName = $ShortName -replace "^$IgnoreThisDomain\\", '' } $ThisKnownUser = $null $ThisKnownUser = $UniquePrincipal[$ShortName] if ($null -eq $ThisKnownUser) { $UniquePrincipal[$ShortName] = [System.Collections.Generic.List[string]]::new() } $null = $UniquePrincipal[$ShortName].Add($ThisID) $UniquePrincipalsByResolvedID[$ThisID] = $ShortName } } # Add any custom C# classes as usable (exported) types $CSharpFiles = Get-ChildItem -Path "$PSScriptRoot\*.cs" ForEach ($ThisFile in $CSharpFiles) { Add-Type -Path $ThisFile.FullName -ErrorAction Stop } Export-ModuleMember -Function @('Add-CacheItem','ConvertTo-ItemBlock','Expand-AcctPermission','Expand-PermissionPrincipal','Expand-PermissionTarget','Export-FolderPermissionHtml','Export-RawPermissionCsv','Export-ResolvedPermissionCsv','Format-FolderPermission','Format-TimeSpan','Get-CachedCimInstance','Get-CachedCimSession','Get-FolderAcl','Get-FolderColumnJson','Get-FolderPermissionsBlock','Get-FolderPermissionTableHeader','Get-FolderTableHeader','Get-HtmlBody','Get-HtmlReportFooter','Get-PermissionPrincipal','Get-PrtgXmlSensorOutput','Get-ReportDescription','Get-TimeZoneName','Get-UniqueServerFqdn','Group-Permission','Initialize-Cache','Invoke-PermissionCommand','Remove-CachedCimSession','Resolve-AccessControlList','Resolve-Ace','Resolve-Acl','Resolve-Folder','Resolve-IdentityReferenceDomainDNS','Resolve-PermissionTarget','Select-FolderPermissionTableProperty','Select-ItemTableProperty','Select-UniquePrincipal') |