ADSec.psm1
|
$script:ModuleRoot = $PSScriptRoot $script:ModuleVersion = (Import-PowerShellDataFile -Path "$($script:ModuleRoot)\ADSec.psd1").ModuleVersion # Detect whether at some level dotsourcing was enforced $script:doDotSource = Get-PSFConfigValue -FullName ADSec.Import.DoDotSource -Fallback $false if ($ADSec_dotsourcemodule) { $script:doDotSource = $true } <# Note on Resolve-Path: All paths are sent through Resolve-Path/Resolve-PSFPath in order to convert them to the correct path separator. This allows ignoring path separators throughout the import sequence, which could otherwise cause trouble depending on OS. Resolve-Path can only be used for paths that already exist, Resolve-PSFPath can accept that the last leaf my not exist. This is important when testing for paths. #> # Detect whether at some level loading individual module files, rather than the compiled module was enforced $importIndividualFiles = Get-PSFConfigValue -FullName ADSec.Import.IndividualFiles -Fallback $false if ($ADSec_importIndividualFiles) { $importIndividualFiles = $true } if (Test-Path (Resolve-PSFPath -Path "$($script:ModuleRoot)\..\.git" -SingleItem -NewChild)) { $importIndividualFiles = $true } if ("<was compiled>" -eq '<was not compiled>') { $importIndividualFiles = $true } function Import-ModuleFile { <# .SYNOPSIS Loads files into the module on module import. .DESCRIPTION This helper function is used during module initialization. It should always be dotsourced itself, in order to proper function. This provides a central location to react to files being imported, if later desired .PARAMETER Path The path to the file to load .EXAMPLE PS C:\> . Import-ModuleFile -File $function.FullName Imports the file stored in $function according to import policy #> [CmdletBinding()] Param ( [string] $Path ) $resolvedPath = $ExecutionContext.SessionState.Path.GetResolvedPSPathFromPSPath($Path).ProviderPath if ($doDotSource) { . $resolvedPath } else { $ExecutionContext.InvokeCommand.InvokeScript($false, ([scriptblock]::Create([io.file]::ReadAllText($resolvedPath))), $null, $null) } } #region Load individual files if ($importIndividualFiles) { # Execute Preimport actions . Import-ModuleFile -Path "$ModuleRoot\internal\scripts\preimport.ps1" # Import all internal functions foreach ($function in (Get-ChildItem "$ModuleRoot\internal\functions" -Filter "*.ps1" -Recurse -ErrorAction Ignore)) { . Import-ModuleFile -Path $function.FullName } # Import all public functions foreach ($function in (Get-ChildItem "$ModuleRoot\functions" -Filter "*.ps1" -Recurse -ErrorAction Ignore)) { . Import-ModuleFile -Path $function.FullName } # Execute Postimport actions . Import-ModuleFile -Path "$ModuleRoot\internal\scripts\postimport.ps1" # End it here, do not load compiled code below return } #endregion Load individual files #region Load compiled code <# This file loads the strings documents from the respective language folders. This allows localizing messages and errors. Load psd1 language files for each language you wish to support. Partial translations are acceptable - when missing a current language message, it will fallback to English or another available language. #> Import-PSFLocalizedString -Path "$($script:ModuleRoot)\en-us\*.psd1" -Module 'ADSec' -Language 'en-US' function Assert-ADConnection { <# .SYNOPSIS Ensures basic ad connectivity .DESCRIPTION Ensures basic ad connectivity Used to ensure subsequent commands have a chance to succeed with the specified server/credential combination. .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use for AD operations. .PARAMETER Cmdlet $PSCmdlet of the calling command. Used to handle errors. .EXAMPLE PS C:\> Assert-ADConnection @adParameters -Cmdlet $PSCmdlet Asserts that AD operations under the specified circumstances are possible. #> [CmdletBinding()] Param ( [string] $Server, [System.Management.Automation.PSCredential] $Credential, [System.Management.Automation.PSCmdlet] $Cmdlet ) process { $adParameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential try { $null = Get-ADDomain @adParameters -ErrorAction Stop } catch { if ($Credential) { $userName = $Credential.UserName } else { $userName = '{0}\{1}' -f $env:USERDOMAIN, $env:USERNAME } if ($Server) { $target = $Server } else { $target = $env:USERDNSDOMAIN } Stop-PSFFunction -String 'Assert-ADConnection.Failed' -StringValues $target, $userName -EnableException $true -Cmdlet $Cmdlet -FunctionName $Cmdlet.CommandRuntime.ToString() -ErrorRecord $_ } } } function Get-LdapObject { <# .SYNOPSIS Use LDAP to search in Active Directory .DESCRIPTION Utilizes LDAP to perform swift and efficient LDAP Queries. .PARAMETER LdapFilter The search filter to use when searching for objects. Must be a valid LDAP filter. .PARAMETER Properties The properties to retrieve. Keep bandwidth in mind and only request what is needed. .PARAMETER SearchRoot The root path to search in. This generally expects either the distinguished name of the Organizational unit or the DNS name of the domain. Alternatively, any legal LDAP protocol address can be specified. .PARAMETER Configuration Rather than searching in a specified path, switch to the configuration naming context. .PARAMETER Raw Return the raw AD object without processing it for PowerShell convenience. .PARAMETER PageSize Rather than searching in a specified path, switch to the schema naming context. .PARAMETER SearchScope Whether to search all OUs beneath the target root, only directly beneath it or only the root itself. .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use. .EXAMPLE PS C:\> Get-LdapObject -LdapFilter '(PrimaryGroupID=516)' Searches for all objects with primary group ID 516 (hint: Domain Controllers). #> [CmdletBinding(DefaultParameterSetName = 'SearchRoot')] param ( [Parameter(Mandatory = $true)] [string] $LdapFilter, [string[]] $Properties = "*", [Parameter(ParameterSetName = 'SearchRoot')] [string] $SearchRoot, [Parameter(ParameterSetName = 'Configuration')] [switch] $Configuration, [switch] $Raw, [ValidateRange(1, 1000)] [int] $PageSize = 1000, [System.DirectoryServices.SearchScope] $SearchScope = 'Subtree', [string] $Server, [System.Management.Automation.PSCredential] $Credential ) begin { $searcher = New-Object system.directoryservices.directorysearcher $searcher.PageSize = $PageSize $searcher.SearchScope = $SearchScope if ($Credential) { $searcher.SearchRoot.Username = $Credential.UserName try { $searcher.SearchRoot.Password = $Credential.GetNetworkCredential().Password } catch { Stop-PSFFunction -String 'Get-LdapObject.CredentialError' -ErrorRecord $_ -Cmdlet $PSCmdlet -EnableException $true } } if ($SearchRoot) { if ($SearchRoot -like "LDAP://*") { $searcher.SearchRoot.Path = $SearchRoot } elseif ($SearchRoot -notlike "*=*") { $searcher.SearchRoot.Path = "LDAP://DC={0}" -f ($SearchRoot -split "\." -join ",DC=") } else { $searcher.SearchRoot.Path = "LDAP://$($SearchRoot)" } } if ($Configuration) { $searcher.SearchRoot.Path = "LDAP://CN=Configuration,{0}" -f $searcher.SearchRoot.distinguishedName[0] } if ($Server -and ($searcher.SearchRoot.Path -notmatch '^LDAP://[\w\.]+/')) { $searcher.SearchRoot.Path = $searcher.SearchRoot.Path -replace '^LDAP://', "LDAP://$Server/" } Write-PSFMessage -String Get-LdapObject.SearchRoot -StringValues $SearchScope, $searcher.SearchRoot.Path -Level Debug $searcher.Filter = $LdapFilter foreach ($property in $Properties) { $null = $searcher.PropertiesToLoad.Add($property) } Write-PSFMessage -String Get-LdapObject.Searchfilter -StringValues $LdapFilter -Level Debug } process { try { foreach ($ldapobject in $searcher.FindAll()) { if ($Raw) { $ldapobject continue } $resultHash = @{ } foreach ($key in $ldapobject.Properties.Keys) { # Write-Output verwandelt Arrays mit nur einem Wert in nicht-Array Objekt $resultHash[$key] = $ldapobject.Properties[$key] | Write-Output } if ($resultHash.ContainsKey("ObjectClass")) { $resultHash["PSTypeName"] = $resultHash["ObjectClass"] } [pscustomobject]$resultHash } } catch { Stop-PSFFunction -String 'Get-LdapObject.SearchError' -ErrorRecord $_ -Cmdlet $PSCmdlet -EnableException $true } } } function Get-AdsAcl { <# .SYNOPSIS Reads the ACL from an AD object. .DESCRIPTION Reads the ACL from an AD object. Allows specifying the server to ask. .PARAMETER Path The DistinguishedName path to the item. .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use for AD operations. .PARAMETER EnableException This parameters disables user-friendly warnings and enables the throwing of exceptions. This is less user friendly, but allows catching exceptions in calling scripts. .EXAMPLE PS C:\> Get-ADUser -Filter * | Get-AdsAcl Returns the ACL of every user in the domain. #> [OutputType([System.DirectoryServices.ActiveDirectorySecurity])] [CmdletBinding()] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [Alias('DistinguishedName')] [string[]] $Path, [string] $Server, [System.Management.Automation.PSCredential] $Credential, [switch] $EnableException ) begin { $adParameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential Assert-ADConnection @adParameters -Cmdlet $PSCmdlet } process { if (Test-PSFFunctionInterrupt) { return } foreach ($pathItem in $Path) { try { $adObject = Get-ADObject @adParameters -Identity $pathItem -Properties ntSecurityDescriptor } catch { Stop-PSFFunction -String 'Get-AdsAcl.ObjectError' -StringValues $pathItem -Target $pathItem -EnableException $EnableException -Cmdlet $PSCmdlet -ErrorRecord $_ -Continue } $adObject.ntSecurityDescriptor | Add-Member -MemberType NoteProperty -Name DistinguishedName -Value $adObject.DistinguishedName -PassThru } } } function Get-AdsOrphanAce { <# .SYNOPSIS Returns list of all access rules that have an unresolveable identity. .DESCRIPTION Returns list of all access rules that have an unresolveable identity. This is aimed at identifying and help remediating orphaned SIDs in active directory. .PARAMETER Path The full distinguished name to the object to scan. .PARAMETER ExcludeDomainSID SIDs from the specified domain SIDs will be ignored. Use this to safely handle one-way trust where ID resolution is impossible for some IDs. .PARAMETER IncludeDomainSID If specified, only unresolved identities from the specified SIDs will be listed. Use this to safely target only rules from your owned domains in the targeted domain. .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use for AD operations. .PARAMETER EnableException This parameters disables user-friendly warnings and enables the throwing of exceptions. This is less user friendly, but allows catching exceptions in calling scripts. .EXAMPLE PS C:\> Get-ADObject -LDAPFillter '(objectCategory=*)' | Get-AdsOrphanAce Scans all objects in the current domain for orphaned access rules. #> [CmdletBinding()] param ( [Parameter(ValueFromPipeline = $true, Mandatory = $true)] [string[]] $Path, [string[]] $ExcludeDomainSID, [string[]] $IncludeDomainSID, [string] $Server, [System.Management.Automation.PSCredential] $Credential, [switch] $EnableException ) begin { $adParameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential Assert-ADConnection @adParameters -Cmdlet $PSCmdlet function Write-Result { [CmdletBinding()] param ( [string] $Path, [System.DirectoryServices.ActiveDirectoryAccessRule] $AccessRule ) [PSCustomObject]@{ PSTypeName = 'ADSec.AccessRule' Path = $Path Identity = $AccessRule.IdentityReference ADRights = $AccessRule.ActiveDirectoryRights Type = $AccessRule.AccessControlType ObjectType = $AccessRule.ObjectType InheritedOpectType = $AccessRule.InheritedObjectType Rule = $AccessRule } } # Wrap as nested pipeline to avoid asserting connection each time $scriptCmd = { Get-AdsAcl @adParameters -EnableException:$EnableException } $getAdsAcl = $scriptCmd.GetSteppablePipeline() $getAdsAcl.Begin($true) } process { foreach ($pathItem in $Path) { try { $acl = $getAdsAcl.Process($pathItem) } catch { Stop-PSFFunction -String 'Get-AdsOrphanAce.Read.Failed' -StringValues $pathItem -EnableException $EnableException -ErrorRecord $_ -Cmdlet $PSCmdlet -Continue } if (-not $acl) { Stop-PSFFunction -String 'Get-AdsOrphanAce.Read.Failed' -StringValues $pathItem -EnableException $EnableException -Cmdlet $PSCmdlet -Continue } foreach ($rule in $acl.Access) { if ($rule.IsInherited) { continue } if ($rule.IdentityReference -is [System.Security.Principal.NTAccount]) { continue } if ($rule.IdentityReference.AccountDomainSID.Value -in $ExcludeDomainSID) { continue } if ($IncludeDomainSID -and ($rule.IdentityReference.AccountDomainSID.Value -notin $IncludeDomainSID)) { continue } try { $null = $rule.IdentityReference.Translate([System.Security.Principal.NTAccount]) } catch { Write-Result -Path $pathItem -AccessRule $rule } } } } end { $getAdsAcl.End() } } function Remove-AdsOrphanAce { <# .SYNOPSIS Removes all access rules that have an unresolveable identity. .DESCRIPTION Removes all access rules that have an unresolveable identity. This is aimed at identifying and remediating orphaned SIDs in active directory. .PARAMETER Path The full distinguished name to the object to clean. .PARAMETER ExcludeDomainSID SIDs from the specified domain SIDs will be ignored. Use this to safely handle one-way trust where ID resolution is impossible for some IDs. .PARAMETER IncludeDomainSID If specified, only unresolved identities from the specified SIDs will be listed. Use this to safely target only rules from your owned domains in the targeted domain. .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use for AD operations. .PARAMETER EnableException This parameters disables user-friendly warnings and enables the throwing of exceptions. This is less user friendly, but allows catching exceptions in calling scripts. .PARAMETER Confirm If this switch is enabled, you will be prompted for confirmation before executing any operations that change state. .PARAMETER WhatIf If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run. .EXAMPLE PS C:\> Get-ADObject -LDAPFillter '(objectCategory=*)' | Remove-AdsOrphanAce Purges all objects in the current domain from orphaned access rules. #> [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'Medium')] param ( [Parameter(ValueFromPipeline = $true, Mandatory = $true)] [string[]] $Path, [string[]] $ExcludeDomainSID, [string[]] $IncludeDomainSID, [string] $Server, [System.Management.Automation.PSCredential] $Credential, [switch] $EnableException ) begin { $adParameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential Assert-ADConnection @adParameters -Cmdlet $PSCmdlet function Write-Result { [CmdletBinding()] param ( [string] $Path, [System.DirectoryServices.ActiveDirectoryAccessRule] $AccessRule, [ValidateSet('Deleted', 'Failed')] [string] $Action, [System.Management.Automation.ErrorRecord] $ErrorRecord ) [PSCustomObject]@{ PSTypeName = 'ADSec.AccessRule' Path = $Path Identity = $AccessRule.IdentityReference Action = $Action ADRights = $AccessRule.ActiveDirectoryRights Type = $AccessRule.AccessControlType ObjectType = $AccessRule.ObjectType InheritedOpectType = $AccessRule.InheritedObjectType Rule = $AccessRule Error = $ErrorRecord } } # Wrap as nested pipeline to avoid asserting connection each time $scriptCmd = { Get-AdsAcl @adParameters -EnableException:$EnableException } $getAdsAcl = $scriptCmd.GetSteppablePipeline() $getAdsAcl.Begin($true) } process { foreach ($pathItem in $Path) { Write-PSFMessage -Level Verbose -String 'Remove-AdsOrphanAce.Searching' -StringValues $pathItem try { $acl = $getAdsAcl.Process($pathItem) | Write-Output } catch { Stop-PSFFunction -String 'Remove-AdsOrphanAce.Read.Failed' -StringValues $pathItem -EnableException $EnableException -ErrorRecord $_ -Cmdlet $PSCmdlet -Continue } if (-not $acl) { Stop-PSFFunction -String 'Remove-AdsOrphanAce.Read.Failed' -StringValues $pathItem -EnableException $EnableException -Cmdlet $PSCmdlet -Continue } $rulesToPurge = foreach ($rule in $acl.Access) { if ($rule.IsInherited) { continue } if ($rule.IdentityReference -is [System.Security.Principal.NTAccount]) { continue } if ($rule.IdentityReference.AccountDomainSID.Value -in $ExcludeDomainSID) { continue } if ($IncludeDomainSID -and ($rule.IdentityReference.AccountDomainSID.Value -notin $IncludeDomainSID)) { continue } try { $null = $rule.IdentityReference.Translate([System.Security.Principal.NTAccount]) } catch { $null = $acl.RemoveAccessRule($rule) $rule } } if (-not $rulesToPurge) { Write-PSFMessage -Level Verbose -String 'Remove-AdsOrphanAce.NoOrphans' -StringValues $pathItem continue } Invoke-PSFProtectedCommand -ActionString 'Remove-AdsOrphanAce.Removing' -ActionStringValues ($rulesToPurge | Measure-Object).Count -Target $pathItem -ScriptBlock { try { Set-ADObject @adParameters -Identity $pathItem -Replace @{ ntSecurityDescriptor = $acl } -ErrorAction Stop foreach ($rule in $rulesToPurge) { Write-Result -Path $pathItem -AccessRule $rule -Action Deleted } } catch { foreach ($rule in $rulesToPurge) { Write-Result -Path $pathItem -AccessRule $rule -Action Failed -ErrorRecord $_ } throw } } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet -Continue } } end { $getAdsAcl.End() } } function Set-AdsAcl { <# .SYNOPSIS Updates the ACL on an active directory object. .DESCRIPTION Updates the ACL on an active directory object. Used to manage AD delegation. .PARAMETER Path The path / distinguishedname to the object to manage. .PARAMETER AclObject The acl to apply .PARAMETER Server The server / domain to connect to. .PARAMETER Credential The credentials to use for AD operations. .PARAMETER Confirm If this switch is enabled, you will be prompted for confirmation before executing any operations that change state. .PARAMETER WhatIf If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run. .PARAMETER EnableException This parameters disables user-friendly warnings and enables the throwing of exceptions. This is less user friendly, but allows catching exceptions in calling scripts. .EXAMPLE PS C:\> $acl | Set-AdsAcl Applies the acl object(s) stored in $acl. Assumes that 'Get-AdsAcl' was used to retrieve the data originally. .EXAMPLE PS C:\> Set-AdsAcl -AclObject $acl -Path $dn -Server fabrikam.com Updates the acl on the object stored in $dn within the fabrikam.com domain. #> [CmdletBinding(SupportsShouldProcess = $true)] Param ( [Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)] [Alias('DistinguishedName')] [string] $Path, [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [System.DirectoryServices.ActiveDirectorySecurity] $AclObject, [string] $Server, [System.Management.Automation.PSCredential] $Credential, [switch] $EnableException ) begin { $adParameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential Assert-ADConnection @adParameters -Cmdlet $PSCmdlet } process { Invoke-PSFProtectedCommand -ActionString 'Set-AdsAcl.SettingSecurity' -Target $Path -ScriptBlock { Set-ADObject @adParameters -Identity $Path -Replace @{ ntSecurityDescriptor = $AclObject } -ErrorAction Stop } -EnableException $EnableException.ToBool() -PSCmdlet $PSCmdlet } } <# This is an example configuration file By default, it is enough to have a single one of them, however if you have enough configuration settings to justify having multiple copies of it, feel totally free to split them into multiple files. #> <# # Example Configuration Set-PSFConfig -Module 'ADSec' -Name 'Example.Setting' -Value 10 -Initialize -Validation 'integer' -Handler { } -Description "Example configuration setting. Your module can then use the setting using 'Get-PSFConfigValue'" #> Set-PSFConfig -Module 'ADSec' -Name 'Import.DoDotSource' -Value $false -Initialize -Validation 'bool' -Description "Whether the module files should be dotsourced on import. By default, the files of this module are read as string value and invoked, which is faster but worse on debugging." Set-PSFConfig -Module 'ADSec' -Name 'Import.IndividualFiles' -Value $false -Initialize -Validation 'bool' -Description "Whether the module files should be imported individually. During the module build, all module code is compiled into few files, which are imported instead by default. Loading the compiled versions is faster, using the individual files is easier for debugging and testing out adjustments." <# Stored scriptblocks are available in [PsfValidateScript()] attributes. This makes it easier to centrally provide the same scriptblock multiple times, without having to maintain it in separate locations. It also prevents lengthy validation scriptblocks from making your parameter block hard to read. Set-PSFScriptblock -Name 'ADSec.ScriptBlockName' -Scriptblock { } #> <# # Example: Register-PSFTeppScriptblock -Name "ADSec.alcohol" -ScriptBlock { 'Beer','Mead','Whiskey','Wine','Vodka','Rum (3y)', 'Rum (5y)', 'Rum (7y)' } #> <# # Example: Register-PSFTeppArgumentCompleter -Command Get-Alcohol -Parameter Type -Name ADSec.alcohol #> New-PSFLicense -Product 'ADSec' -Manufacturer 'Friedrich Weinmann' -ProductVersion $script:ModuleVersion -ProductType Module -Name MIT -Version "1.0.0.0" -Date (Get-Date "2019-10-01") -Text @" Copyright (c) 2019 Friedrich Weinmann Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. "@ #endregion Load compiled code |