PowerShell function to bind to LDAP

Connect-Ldap.ps1

# Works when connecting to AD from Ubuntu 22.04. May have a dependency on OpenLDAP (libldap-commnad, libldap)?

function Connect-Ldap {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [string]$ComputerName,
        [switch]$UseTLS,
        [int]$Port,
        [Parameter(Mandatory = $true)]
        [PSCredential]$Credential
    )

    process {
        $ComputerName = [System.Management.Automation.Language.CodeGeneration]::EscapeSingleQuotedStringContent("$($ComputerName)")
        if ($UseTLS -and !$Port) {
            $Port = 636
        } elseif (!$Port) {
            $Port = 389
        }

        $ldapDirectoryIdentifier = New-Object System.DirectoryServices.Protocols.LdapDirectoryIdentifier("$ComputerName", $Port)
        $ldapConnection = New-Object System.DirectoryServices.Protocols.LdapConnection($ldapDirectoryIdentifier)
        if ($UseTLS) {
            $ldapConnection.SessionOptions.SecureSocketLayer = $true
        }
        $ldapConnection.SessionOptions.ProtocolVersion = 3
        $ldapConnection.AuthType = [System.DirectoryServices.Protocols.AuthType]::Basic

        try {
            $ldapConnection.Bind($Credential)
            $ldapConnection
        } catch {
            Write-Error $_.Exception.Message
        }
    }
}