Private/GetLDAPUserAndGroups.ps1
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function GetLDAPUserAndGroups { [CmdletBinding()] Param( [Parameter(Mandatory=$False)] [int]$ObjectCount = 0, [Parameter(Mandatory=$False)] [string]$Domain, [Parameter(Mandatory=$False)] [pscredential]$LDAPCreds ) #region >> Prep if ($PSVersionTable.Platform -eq "Unix" -and !$LDAPCreds) { Write-Error "On this Platform (i.e. $($PSVersionTable.Platform)), you must provide credentials with access to LDAP/Active Directory using the -LDAPCreds parameter! Halting!" $global:FunctionResult = "1" return } if ($LDAPCreds) { # Make sure the $LDAPCreds.UserName is in the correct format if ($LDAPCreds.UserName -notmatch "\\") { Write-Error "The -LDAPCreds UserName is NOT in the correct format! The format must be: <Domain>\<User>" $global:FunctionResult = "1" return } } if ($PSVersionTable.Platform -eq "Unix") { # Determine if we have the required Linux commands [System.Collections.ArrayList]$LinuxCommands = @( "echo" "host" "hostname" "ldapsearch" #"expect" ) if (!$Domain) { $null = $LinuxCommands.Add("domainname") } [System.Collections.ArrayList]$CommandsNotPresent = @() foreach ($CommandName in $LinuxCommands) { $CommandCheckResult = command -v $CommandName if (!$CommandCheckResult) { $null = $CommandsNotPresent.Add($CommandName) } } if ($CommandsNotPresent.Count -gt 0) { [System.Collections.ArrayList]$FailedInstalls = @() if ($CommandsNotPresent -contains "echo" -or $CommandsNotPresent -contains "whoami") { try { $null = InstallLinuxPackage -PossiblePackageNames "coreutils" -CommandName "echo" } catch { $null = $FailedInstalls.Add("coreutils") } } if ($CommandsNotPresent -contains "host" -or $CommandsNotPresent -contains "hostname" -or $CommandsNotPresent -contains "domainname") { try { $null = InstallLinuxPackage -PossiblePackageNames @("dnsutils","bindutils","bind-utils","bind-tools") -CommandName "nslookup" } catch { $null = $FailedInstalls.Add("dnsutils_bindutils_bind-utils_bind-tools") } } if ($CommandsNotPresent -contains "ldapsearch") { try { $null = InstallLinuxPackage -PossiblePackageNames "openldap-clients" -CommandName "ldapsearch" } catch { $null = $FailedInstalls.Add("openldap-clients") } } <# if ($CommandsNotPresent -contains "expect") { try { $null = InstallLinuxPackage -PossiblePackageNames "expect" -CommandName "expect" } catch { $null = $FailedInstalls.Add("expect") } } #> if ($FailedInstalls.Count -gt 0) { Write-Error "The following Linux packages are required, but were not able to be installed:`n$($FailedInstalls -join "`n")`nHalting!" $global:FunctionResult = "1" return } } [System.Collections.ArrayList]$CommandsNotPresent = @() foreach ($CommandName in $LinuxCommands) { $CommandCheckResult = command -v $CommandName if (!$CommandCheckResult) { $null = $CommandsNotPresent.Add($CommandName) } } if ($CommandsNotPresent.Count -gt 0) { Write-Error "The following Linux commands are required, but not present on $env:ComputerName:`n$($CommandsNotPresent -join "`n")`nHalting!" $global:FunctionResult = "1" return } } # Below $LDAPInfo Output is PSCustomObject with properties: DirectoryEntryInfo, LDAPBaseUri, # GlobalCatalogConfigured3268, GlobalCatalogConfiguredForSSL3269, Configured389, ConfiguredForSSL636, # PortsThatWork try { if ($Domain) { $DomainControllerInfo = GetDomainController -Domain $Domain -ErrorAction Stop } else { $DomainControllerInfo = GetDomainController -ErrorAction Stop } if ($DomainControllerInfo.PrimaryDomainController -eq "unknown") { $PDC = $DomainControllerInfo.FoundDomainControllers[0] } else { $PDC = $DomainControllerInfo.PrimaryDomainController } $LDAPInfo = TestLDAP -ADServerHostNameOrIP $PDC -ErrorAction Stop if (!$DomainControllerInfo) {throw "Problem with GetDomainController function! Halting!"} if (!$LDAPInfo) {throw "Problem with TestLDAP function! Halting!"} } catch { Write-Error $_ $global:FunctionResult = "1" return } if (!$LDAPInfo.PortsThatWork) { Write-Error "Unable to access LDAP on $PDC! Halting!" $global:FunctionResult = "1" return } if ($LDAPInfo.PortsThatWork -contains "389") { $Port = "389" $LDAPUri = $LDAPInfo.LDAPBaseUri + ":$Port" } elseif ($LDAPInfo.PortsThatWork -contains "3268") { $Port = "3268" $LDAPUri = $LDAPInfo.LDAPBaseUri + ":$Port" } elseif ($LDAPInfo.PortsThatWork -contains "636") { $Port = "636" $LDAPUri = $LDAPInfo.LDAPBaseUri + ":$Port" } elseif ($LDAPInfo.PortsThatWork -contains "3269") { $Port = "3269" $LDAPUri = $LDAPInfo.LDAPBaseUri + ":$Port" } if ($PSVersionTable.Platform -eq "Unix") { $SimpleDomainPrep = $PDC -split "\." $SimpleDomain = $SimpleDomainPrep[1..$($SimpleDomainPrep.Count-1)] -join "." [System.Collections.ArrayList]$DomainLDAPContainersPrep = @() foreach ($Section in $($SimpleDomain -split "\.")) { $null = $DomainLDAPContainersPrep.Add($Section) } $DomainLDAPContainers = $($DomainLDAPContainersPrep | foreach {"DC=$_"}) -join "," $BindUserName = $LDAPCreds.UserName $BindUserNameForExpect = $BindUserName -replace [regex]::Escape('\'),'\\\' $BindPassword = $LDAPCreds.GetNetworkCredential().Password $ldapSearchOutput = ldapsearch -x -h $PDC -D $BindUserName -w $BindPassword -b "$DomainLDAPContainers" -s sub "(&(objectClass=user)(!(objectClass=computer)))" memberOf <# $ldapSearchCmdForExpect = "ldapsearch -x -h $PDC -D $BindUserNameForExpect -W -b `"$DomainLDAPContainers`" -s sub `"(&(objectClass=user)(!(objectClass=computer)))`" memberOf" [System.Collections.ArrayList]$ExpectScriptPrep = @( 'expect - << EOF' 'set timeout 120' "set password $BindPassword" 'set prompt \"(>|:|#|\\\\\\$)\\\\s+\\$\"' "spawn $ldapSearchCmdForExpect" 'match_max 100000' 'expect \"Enter LDAP Password:\"' 'send -- \"\$password\r\"' 'expect -re \"\$prompt\"' 'send -- \"exit\r\"' 'expect eof' 'EOF' ) $ExpectScript = $ExpectScriptPrep -join "`n" #Write-Host "`$ExpectScript is:`n$ExpectScript" #$ExpectScript | Export-CliXml "$HOME/ExpectScript2.xml" # The below $ExpectOutput is an array of strings $ExpectOutput = $ldapSearchOutput = bash -c "$ExpectScript" #> $UserAndGroupsPrep = $ldapSearchOutput -match "dn:|memberof:" [System.Collections.ArrayList]$UserAndGroupsPrepSorted = @() foreach ($Line in $UserAndGroupsPrep) { if ($Line -match 'dn:') { if ($Collection.Count -gt 0) { $null = $UserAndGroupsPrepSorted.Add($Collection) } [System.Collections.ArrayList]$Collection = @() $null = $Collection.Add($Line) } else { $null = $Collection.Add($Line) } } if ($UserAndGroupsPrepSorted.Count -eq 0) { Write-Error "Unable to parse output of 'ldapsearch'! Output is as follows:`n$ldapSearchOutput" $global:FunctionResult = "1" return } $UserAndGroups = foreach ($Collection in $UserAndGroupsPrepSorted) { try { $User = $($($Collection -match 'dn:') -split ',')[0] -replace 'dn:[\s]+CN=' $GroupsPrep = $Collection -match 'memberof:' $Groups = foreach ($GroupLine in $GroupsPrep) { $($GroupLine -split ',')[0] -replace 'memberof:[\s]+CN=' } } catch { continue } [pscustomobject]@{ User = $User Groups = @($Groups) } } if ($ObjectCount -gt 0) { $UserAndGroups = $UserAndGroups[0..$($ObjectCount-1)] } } else { try { if ($LDAPCreds) { $LDAPUserName = $LDAPCreds.UserName $LDAPPassword = $LDAPCreds.GetNetworkCredential().Password $LDAPSearchRoot = [System.DirectoryServices.DirectoryEntry]::new($LDAPUri,$LDAPUserName,$LDAPPassword) } else { $LDAPSearchRoot = [System.DirectoryServices.DirectoryEntry]::new($LDAPUri) } $LDAPSearcher = [System.DirectoryServices.DirectorySearcher]::new($LDAPSearchRoot) $LDAPSearcher.Filter = "(&(objectClass=user)(!(objectClass=computer)))" $LDAPSearcher.SizeLimit = 0 $LDAPSearcher.PageSize = 250 $UserAndGroupsPrep = $LDAPSearcher.FindAll() | foreach {$_.GetDirectoryEntry()} if ($ObjectCount -gt 0) { $UserAndGroupsPrep = $UserAndGroupsPrep[0..$($ObjectCount-1)] } $UserAndGroups = foreach ($DEObject in $UserAndGroupsPrep) { $User = $($DEObject.Name | Out-String).Trim() $Groups = $DEObject.memberof | foreach {$($_ -split ',')[0] -replace 'CN='} [pscustomobject]@{ User = $User Groups = @($Groups) } } if ($ObjectCount -gt 0) { $UserAndGroups = $UserAndGroups[0..$($ObjectCount-1)] } } catch { Write-Error $_ $global:FunctionResult = "1" return } } $UserAndGroups } |