source: binary-improvements/7dtd-server-fixes/src/AdminToolsStuff.cs@ 123

using System;
using System.Collections.Generic;

public class AdminToolsStuff
{
        public static string[] GetAllowedCommandsList (AdminTools admTools, string _steamID)
        {
                List<string> allowed = new List<string> ();

                try {
                        AdminToolsClientInfo tmpInfo = admTools.GetClientCommandInfo (_steamID);
                        if (tmpInfo.SteamID == null || tmpInfo.SteamID.Length == 0)
                        {
                                tmpInfo.PermissionLevel = 1000;
                        }

                        List<AdminToolsCommandPermissions> perms = admTools.commandPermissions;
                        ConsoleSdtd console = CommonMappingFunctions.GetGameManager ().m_GUIConsole;

                        foreach (AdminToolsCommandPermissions atcp in perms) {
                                if (tmpInfo.SteamID != null && tmpInfo.SteamID.Length > 0) {
                                        if ((atcp.PermissionLevel >= tmpInfo.PermissionLevel) || (atcp.PermissionLevel >= 1000)) {
                                                addAllowed (console, allowed, atcp.Command);
                                        }
                                } else {
                                        if (atcp.PermissionLevel >= 1000) {
                                                addAllowed (console, allowed, atcp.Command);
                                        }
                                }
                        }

                        if (tmpInfo.PermissionLevel <= 0) {
                                List<ConsoleCommand> commands = console.commands;
                                foreach (ConsoleCommand c in commands) {
                                        if (!allowed.Contains (c.Names () [0])) {
                                                if (!hasPermissionLevel (admTools, c.Names () [0])) {
                                                        addAllowed (console, allowed, c.Names () [0]);
                                                }
                                        }
                                }
                        }

                } catch (Exception e) {
                        Log.Out ("Error in GetAllowedCommandsList: " + e);
                }


                return allowed.ToArray ();
        }

        private static bool hasPermissionLevel (AdminTools admTools, string cmd)
        {
                List<AdminToolsCommandPermissions> perms = admTools.commandPermissions;

                foreach (AdminToolsCommandPermissions atcp in perms) {
                        foreach (string ccName in getAlternativeNames(cmd)) {
                                if (atcp.Command.ToLower ().Equals (ccName)) {
                                        return true;
                                }
                        }
                }
                return false;
        }

        private static void addAllowed (ConsoleSdtd console, List<string> list, string cmd)
        {
                foreach (string ccName in getAlternativeNames(cmd)) {
                        if (!list.Contains (ccName)) {
                                list.Add (ccName);
                        }
                }
        }

        private static string[] getAlternativeNames (string cmd)
        {
                ConsoleCommand cc = CommonMappingFunctions.GetGameManager ().m_GUIConsole.getCommand (cmd);
                if (cc != null) {
                        return cc.Names ();
                } else {
                        return new string[0];
                }
        }
}