implements the beowulf anticheat client detection and improve it

* provide a command to check in any moment

README.md

@@ -20,8 +20,13 @@ etc etc etc
 This mod must be named `governing` and provides administrarion tools and 
 procedures to manage server.
 
+This mod features powerfully anticheat tools, mostly mixture of many others, 
+and are able to detect the modified clients.
+
 Repository : https://git.minetest.io/minenux/minetest-mod-governing
 
+> **Note:** this mod requires that the server have compiled with extra information enabled
+
 #### Configurations
 
 | config param          | type   |  value     | req | default/min/mx  | example or description           |
@@ -32,6 +37,7 @@ Repository : https://git.minetest.io/minenux/minetest-mod-governing
 | anticheat.timestep    | int    | 15         | no  | 15 / 10 / 300   | How many time will run checks in seconds |
 | anticheat.timeagain   | int    | 15         | no  | 15 / 10 / 300   | How many seconds checks again (to compare) on a suspected player |
 | anticheat.moderators  | string | admin      | yes | admin,singleplayer | Comma separated list name players that can watch and check stats  |
+| beowulf.dfdetect.enable_kick | boot | false | no  | false           | will kick the cheater when performs detections |
 
 The `governing.checkapikey` string is requested by registering a free (or paid) 
 account at https://vpnapi.io/ and **if not configured, will be used a simple geoip request**.
@@ -50,6 +56,8 @@ account at https://vpnapi.io/ and **if not configured, will be used a simple geo
 | `/geoip <playername>` | geoip     | simple ip player info   | no matter if geoip mod is present or not |
 | `/cstats`             | moderator |  to see latest detected cheater | its not a privilegie, use config settings |
 | `/cdebug`             | moderator | to see even suspected cheats to be verified later | its not a privilegie, use config settings |
+| `/satiation`          | server    | manipulates the satiation of a player | only provide if our mod its present, the original mod already has it |
+| `/cchk <playername>`  | moderator | checks for a cheater player | it send a msh rare to the cheater |
 
 #### privs
 

anticheats.lua

@@ -8,10 +8,16 @@
 -- per-player data
 local player_data = {}
 
+local is_player = function(player)
+	-- a table being a player is also supported because it quacks sufficiently
+	-- like a player if it has the is_player function
+	local t = type(player)
+	return (t == "userdata" or t == "table") and type(player.is_player) == "function"
+end
+
 -- obtain player data cheats, improved respect beowulf with missing checks and methods
 local function get_player_data(name)
 	local player = minetest.get_player_by_name(name)
-	if not player then return nil end
 	if not player_data[name] then
 		player_data[name] = {
 			fliyers = 0, -- number of checks for fly ( added only with governing)
@@ -26,7 +32,7 @@ end
 
 -- clear player data for cheats
 local function track_player_clear(player)
-	if player then
+	if is_player(player) then
 		if player:get_player_name() then
 			player_data[player:get_player_name()] = nil
 		end
@@ -35,6 +41,7 @@ end
 
 -- store player data cheats strikes and checks
 local function track_player(player)
+	if not is_player(player) then return end
 	local name = player:get_player_name()
 	local data = get_player_data(name)
 	local pos = player:get_pos()
@@ -66,6 +73,233 @@ local function track_player(player)
 	data.pre_pos = pos
 end
 
+-----------------------------------------------------------------------
+-- ANTI CRACKERS and CHEATERS by mckaygerhard based on beowulf
+------------------------------------------------------------------------
+
+-- luacheck: push no max line length
+local df = {
+	"2.0",
+	"dragonfire", -- many based clients by example teamclient
+	"f8fd5c11b", -- Merge pull request #59 from PrairieAstronomer/readme_irrlicht_change
+	"c66ae6717", -- Add exact irrlichtmt version to the clone command
+	"296cce39d", -- Fix upstream merge issues
+	"350b6d175", -- Install lua_async dependency
+	"393c83928", -- Don't include client/game.h on server build
+	"ccd4c504d", -- Ship dragonfireclient with selected high-quality mods
+	"147aaf326", -- Fix build instructions
+	"b09fc5de5", -- Add spider
+	"d404517d2", -- Make LuaVoxelManipulator available to CSM API
+	"1ccf88e80", -- minetest.dig_node: Remove node
+	"950d2c9b3", -- Add ClientObjectRef:remove and return true in on_object_add callback to remove newly added object
+	"fb4815c66", -- Merge pull request #35 from arydevy/patch-1
+	"f12288814", -- Merge pull request #42 from Minetest-j45/master
+	"f3082146c", -- remove irrlicht from lid dir (accident)
+	"a3925db22", -- add airjump and remove unused headers
+	"7824a4956", -- Merge pull request #1 from EliasFleckenstein03/master
+	"35445d24f", -- Make set_pitch and set_yaw more accurate by not rounding it to integers
+	"5131675a6", -- Add guards to stop server build fail
+	"96a37aed3", -- Add minetest.get_send_speed
+	"d08242316", -- Fix format
+	"ce0d81a82", -- Change default cheat menu entry height
+	"b7abc8df2", -- Add on_object_add callback
+	"4f613bbf5", -- Include tile definitions in get_node_def; Client-side minetest.object_refs table
+	"c86dcd0f6", -- Add on_object_hp_change callback and nametag images
+	"b84ed7d0b", -- Call on_object_properties_change callback when adding object to scene
+	"26cfbda65", -- Add on_object_properties_change callback
+	"6dc7a65d9", -- Add ClientObjectRef:set_properties
+	"7d7d4d675", -- Add ClientObjectRef.get_properties
+	"ea8fa30b6", -- Changed README.md to fit the dragonfire client
+	"c47eae316", -- Add table.combine to luacheckrc
+	"83d09ffaf", -- Complete documentation
+	"e0b4859e7", -- Add ClientObjectRef:remove
+	"63f7c96ec", -- Fix legit_speed
+	"5c06763e8", -- Add noise to client CSM API
+	"7613d9bfe", -- Update .wielded command to output the entire itemstring; add LocalPlayer:get_hotbar_size
+	"bc79c2344", -- CSM: Use server-like (and safe) HTTP API instead of Mainmenu-like
+	"166968232", -- Port formspec API from waspsaliva This API is inofficial and undocumented; invalid usage causes the game to crash. Use at own risk!
+	"e391ee435", -- Forcefully place items when minetest.place_node is used
+	"546ab256b", -- Update buildbot to new MineClone2 repo and set the game name to MineClone2 rather than mineclone2
+	"d3780cefd", -- Attempt to fix SEGFAULT in push_inventory
+	"d1c84ada2", -- Merge minetest changes
+	"74f5f033e", -- Add Custom version string
+	"b2f629d8d", -- Logo improvements
+	"78b7d1019", -- Add dragonfire logo
+	"19e0528e3", -- Add minetest.get_nearby_objects
+	"47d0882cc", -- Fix line containing only whitespace
+	"4fedc3a31", -- Add minetest.interact
+	"dc67f669e", -- Make the Cheat Menu size configureable
+	"906845a87", -- Add minetest.registered_items and minetest.registered_nodes (Doesn't do anything yet)
+	"3a4325902", -- Fixed crash by adding legacy stuff to defaultsettings (for now)
+	"53c991c5f", -- Fixed crash due to missing entry in defaultsettings.cpp
+	"0c6e0c717", -- Reorganize categories
+	"e8faa2afb", -- Rework Range
+	"a4d914ba2", -- Make GitHub Actions Happy try 3
+	"a34c61093", -- Make GitHub Actions Happy try 2
+	"f783f5939", -- Make GitHub Actions Happy try 1
+	"8b58465aa", -- Remove obsolete code from clientenvironment
+	"35c15567a", -- Update builtin/settingtypes.txt to the new philosophy
+	"0c9e7466e", -- New Cheat Philosophy
+	"a1e61e561", -- World Cheats improvements; Add BlockLava; Readd minetest.request_http_api for Compatibility
+	"56d536ea5", -- Update CheatDB URL again
+	"ce47003cc", -- Update defaults for ContentDB (->CheatDB)
+	"89995efee", -- CheatDB Support & Enable/Disable CSMs in Main Menu
+	"3df23e23c", -- Small AutoTool Fix
+	"8b3eaf5b0", -- Lua API: Particle callbacks; Add NoWeather
+	"0a285dd33", -- Remove NextItem
+	"4695222bc", -- Fix and Improve AutoTool
+	"5bead7daa", -- Added minetest.close_formspec
+	"f825cf0e3", -- Fixed Minimap position
+	"eaa8a5132", -- Fixed FastPlace and AutoPlace
+	"b4e475726", -- Added configureable Colors for PlayerESP and EntityESP
+	"549025f6a", -- EntityESP, EntityTracers, PlayerESP, PlayerTracers
+	"eb6aca8b4", -- Merged Minetest
+	"8de51dae9", -- Fixed crash when attempting to access nonexistant inventory from Lua API
+	"a65251a7a", -- Fixed glowing GenericCAOs being rendered completely back when Fullbright is enabled
+	"eaec3645b", -- Added ClientObjectRef:get_hp()
+	"fb4d54ee3", -- Added minetest.register_on_play_sound
+	"50629cc6a", -- Improved Scaffold
+	"3d74e17cc", -- Added AutoSlip (-> Credit to Code-Sploit)
+	"f9c632466", -- Added JetPack and AutoHit (-> Credits to Code-Sploit and cora)
+	"843239c0b", -- Added Speed/Jump/Gravity Override
+	"598e9bdbc", -- Update Credits
+	"7d327def8", -- Improved AutoSneak
+	"82216e147", -- LocalPlayer:set_physics_override; minetest.register_on_recieve_physics_override
+	"4dd5ecfc5", -- Added setpitch & setyaw commands; AutoSprint
+	"b65db98bd", -- Added OnlyTracePlayers
+	"e16bbc1fb", -- Merge pull request #14 from corarona/master
+	"1780adeea", -- lua-api: fix get/set_pitch
+	"3e7c5d720", -- Possibility to use cheat menu while pressing other keys
+	"0aa63aafc", -- Fixed warning
+	"9db80fc6f", -- Run Lint Script
+	"91ad0d049", -- Merge pull request #10 from corarona/master
+	"6bda686c0", -- MapBlockMesh Performance Improvement
+	"1bab49049", -- add LUA_FCT
+	"6efa8a758", -- add g/s pitch and make_screenshot in lua api
+	"46237330d", -- Several Enhancements
+	"60a9ff6ff", -- api-screenshot: change function name to make_screenshot
+	"1f56317d5", -- Added NodeESP
+	"75ecaa217", -- Fix and run the Lint autocorrect script
+	"6ccb5835f", -- Revert "Make Lint Happy"
+	"244713971", -- Added script that automaticall corrects lint style
+	"07e61e115", -- Fix github build problems #3
+	"3af10766f", -- Fix github build problems #2
+	"16d302c9a", -- Fix github build problems
+	"ad148587d", -- Make Lint Happy
+	"1145b05ea", -- Updated Credits
+	"c9221730d", -- Updated Cheat Menu Color Design
+	"1799d5aa9", -- Cheat Menu Improvements Change
+	"fba7dc216", -- Merge pull request #8 from realOneplustwo/master
+	"a7dc1135e", -- Added CheatHUD
+	"f1d9ac014", -- Moved Killaura to Lua; Added ForceField; Added Friendlist; Added ClientObjectRef:is_local_player(); Documented LocalPlayer:get_object()
+	"06b72069d", -- Fixed ColorChat
+	"62958bd60", -- Reverted accidental commit in wrong repo
+	"00d51fbd5", -- Armor textures support
+	"7cbe42b1d", -- Re-Added Chat Effects
+	"28f6a7970", -- lua api: add set/get_pitch
+	"4f9797b6e", -- lua api: add core.take_screenshot()
+	"8e9e76a50", -- Revert "Add Block Formspec Hack"
+	"6652d7ac2", -- Add Block Formspec Hack
+	"8bc7d49b3", -- Added Nuke
+	"62cf9b466", -- Fix compile error
+	"519f98c65", -- Merge pull request #3 from JosiahWI/ui_revamp
+	"f236476af", -- Fix errors in cheatMenu.
+	"7af3dee31", -- Merge pull request #2 from JosiahWI/ui_revamp
+	"ea88dde4b", -- Added Strip, AutoRefill, indexing for InventoryActions and Wield Index starts at 1 now
+	"7aff09ab2", -- Fix overindent!
+	"aea9b36ef", -- Improved Colours
+	"1ef72ad9c", -- Fix indentation style.
+	"586241008", -- Add missing return.
+	"b211e90ff", -- Prepare cheatMenu::draw function for easier UI changes.
+	"e22e334e9", -- Merge pull request #1 from JosiahWI/ui_revamp
+	"f605308ee", -- Improve drawEntry.
+	"130d476f6", -- Changed Cheat Menu UI
+	"f1ff05bf5", -- Added ThroughWalls, InventoryActions API and AutoTotem
+	"1a7d3d818", -- Extended ClientObjectRef; Improved CrystalPvP
+	"1e4f35492", -- This is the last try for lint...
+	"7e0f8fba0", -- Another Lint commit
+	"151e5782e", -- Lint is still not happy...
+	"28a560684", -- Added the API additions from waspsaliva
+	"c1aea404b", -- Lint is bitch
+	"3a718f12b", -- Make lint happy; Remove stupid redirector
+	"3b596a96e", -- Fixed Github build problems
+	"847198edb", -- Edited .gitignore properly; fixed armor invulnarability in the server code.
+	"bbcd24954", -- New Mod System
+	"80f416d51", -- Added AttachmentFloat
+	"cb1915efa", -- Added minetest.drop_selected_item(), Improved AutoEject
+	"43ee069db", -- Improved X-Ray, added AutoEject
+	"faa32610e", -- Added ESP, fixed Tracers, improved Jesus
+	"ee88f4b94", -- Improved Tracers
+	"c36ff3edb", -- Added AutoSneak and improved X-Ray MapBlock updating
+	"0a2c90f4c", -- Only draw tracers to objects that are not attached (that fixes tracers to armor)
+	"044a12666", -- Added Tracers, NoSlow and NoForceRotate; GUI Colors changed
+	"b9f8f0a23", -- The Robot Update
+	"af085acbd", -- Added Schematicas
+	"0730ed216", -- Delete my stupid test mod lol
+	"772c9629e", -- Unrestricted HTTP API for Client, Server and Main Menu
+	"9b1030cac", -- Added minetest.get_inventory(location)
+	"2321e3da4", -- Removed console output spammed by minetest.find_node_near
+	"90f66dad8", -- Removed experimental code
+	"8b4d27141", -- Fixed typo in clientmods/inventory/mod.conf
+	"d8b8c1d31", -- Added Documentation for Additional API
+	"6e6c68ba0", -- Added Chat Spam, Replace and settingtypes.txt for Clientmods
+	"79d0314d7", -- Update Buildbots
+	"770bde9c6", -- idk
+	"e245151c5", -- Improved World hacks
+	"19205f6b3", -- Improved World Hacks, added API functions
+	"73b89703f", -- Improved World hacks, added fill
+	"248dedaba", -- Added floationg water to BlockWater
+	"9dc3eb777", -- Fixed broken Chatcommands
+	"80371bc16", -- Added .listwarps
+	"1c29f21e0", -- Imporoved set_wield_index() to include camera update
+	"3bed0981d", -- UI Update; Added AutoTool
+	"622d54726", -- Added DestroyWater (:P anon)
+	"9019e18b9", -- Some Updates
+	"107dec6c0", -- Added Coords
+	"f1760622e", -- Added BrightNight
+	"2675bcca1", -- Added more cheats
+	"3d980cf57", -- Improved Xray and Fullbright
+	"f7a042223", -- Added cheat Menu
+	"344fddc17", -- Improved Killaura and Chat position
+	"678559bb6", -- removed leagcy clientmods
+	"9194165cf", -- Added autodig, moved chat
+	"064c25caa", -- Added EntitySpeed
+	"5a8610c2f", -- Added customizable keybindings, improved freecam, added special inventory keybind (by default ender inventory)
+	"83f59484d", -- Fixed 5.4.0-dev build
+	"ffe3c2ae0", -- Update to minetest 5.4.0-dev
+	"45aa2516b", -- Added settings
+	"f22339ed8", -- Removed fast killaura
+	"408e39a1d", -- Added Anti Knockback
+	"eee0f960b", -- Removed minetest.conf.old
+	"39d7567c1", -- Fixed Crash
+	"305e0e0d3", -- Auto disable smooth lighting when fullbright is active
+	"6796baec6", -- Defaultsettings
+	"5a2bf6634", -- Added Clientmods
+	"e610149c0", -- Initial Commit
+	"68f9263a2", -- Hacked Client
+	"90d885506", -- GalwayGirl Client
+}
+
+--[[
+To update commit list: save commit logs for master branches of minetest in mt.log and dragonfire in df.log
+$ git log --oneline origin/master > mt.log; git log --oneline dragonfire/master > df.log (both in same remo using git remote)
+
+Find and drop commits that seems to exist in both remotes, print rest of it:
+$ sort -k3 <(awk '{print NR" "$0}' df.log mt.log mt.log) | uniq -uf2 | sort -nk1 | sed -r 's/^[^ ]+ ([^ ]+) (.*)$/\t"\1", -- \2/'
+
+Replace above entries with output
+--]]
+
+local function dfver(stringversion)
+	-- loop into table of commmits and find the compared version
+	for _,v in ipairs(df) do 
+		local pp = stringversion:find(v)
+		if pp then 
+			return v 
+		end
+	end
+end
+
 -------------------------------------------------------------------------
 -- ANTI CHEAT for MT4 and old MT5 engines by rnd
 -- Copyright 2016 rnd  LGPL v3
@@ -117,7 +351,7 @@ local punish_cheat = function(name)
 	if cheat.players[name].cheattype == 1 then
 		text = "#anticheat: ".. name .. " was caught walking inside wall";
 		logtext = os.date("%H:%M.%S").." #anticheat: ".. name .. " was caught walking inside wall at " .. minetest.pos_to_string(cheat.players[name].cheatpos);
-		player:set_hp(0);
+		--player:set_hp(0);
 	elseif cheat.players[name].cheattype == 2 then
 		
 		local gravity = player:get_physics_override().gravity;	if gravity<1 then return end
@@ -141,8 +375,8 @@ local punish_cheat = function(name)
 		cheat.players[name].count=0; -- reset counter
 		cheat.players[name].cheattype = 0;
 	
-		for name,_ in pairs(cheat.moderators) do -- display full message to moderators
+		for namem,_ in pairs(cheat.moderators) do -- display full message to moderators
-			minetest.chat_send_player(name,logtext);
+			minetest.chat_send_player(namem,logtext);
 		end
 	end
 end
@@ -375,7 +609,7 @@ local check_can_dig = function(pos, digger)
 		local logtext = os.date("%H:%M.%S") .. "#anticheat: long range dig " .. pname ..", distance " .. dist .. ", pos " .. minetest.pos_to_string(pos);
 		for name,_ in pairs(cheat.debuglist) do -- show to all watchers
 			minetest.chat_send_player(name,logtext)
-
+			minetest.log("warning", "[governing] "..logtext)
 		end
 		local ip = tostring(minetest.get_player_ip(pname));
 		anticheatdb[ip] = {name = pname, msg = logtext};
@@ -393,53 +627,114 @@ local set_check_can_dig = function(name)
 	--minetest.register_node(":"..name, tabl);
 end
 
+local function is_player(player)
+	if player then
+		if type(player) == "userdata" or type(player) == "table" then return true end
+	end
+	return false
+end
 
-minetest.register_on_joinplayer(function(player) -- init stuff on player join
+minetest.register_on_joinplayer(function(player)
-	local name = player:get_player_name(); if name == nil then return end 
+
+	-- init stuff on player join
+	if not is_player(player) then return end
+	local name = player:get_player_name();
+	if type(name) ~= "string" then return end
 	local pos = player:getpos();
 
+	-- no matter if are incomplete info, save most possible of and start recolection of stats
 	if cheat.players[name] == nil then
 		cheat.players[name]={count=0,cheatpos = pos, clearpos = pos, lastpos = pos, cheattype = 0}; -- type 0: none, 1 noclip, 2 fly
 	end
 
+	-- try to fill some stats or retrieve previously
 	if cheat.players[name] and cheat.players[name].stats == nil then
 		cheat.players[name].stats = {maxdeltadig=0,deltadig = 0,digxp = 0, state = 0}; -- various statistics about player: max dig xp increase in 2 minutes, current dig xp increase
-	
+		if bonemod then
-		minetest.after(5, -- load digxp after boneworld loads it
+			minetest.after(4, -- load digxp after boneworld loads it
-		function() 
+				function() 
-			if bonemod then
+					if boneworld.xp then
-				if boneworld.xp then
+						cheat.players[name].stats.digxp = boneworld.digxp[name] or 0;
-				cheat.players[name].stats.digxp = boneworld.digxp[name] or 0;
+						cheat.players[name].stats.state = 1;
-				cheat.players[name].stats.state = 1;
+					end
 				end
-			end
+			) --state 0 = stats not loaded yet
 		end
-	)
-	
 	end
-	--state 0 = stats not loaded yet
 
+	-- check anticheat db for cheaters clients
+	-- ===================================
 
 	local ip = tostring(minetest.get_player_ip(name));
-	local msg = "";
+	local info = minetest.get_player_information(name)
+	local msgiplevelone = "";
+	local msgipleveltwo = "";
 
-	-- check anticheat db
+	--check ip first try of info manually, later from player info
-	--check ip
 	if anticheatdb[ip] then 
-		msg = "#anticheat: welcome back detected cheater, ip = " .. ip .. ", name " .. anticheatdb[ip].name .. ", new name = " .. name;
+		msgiplevelone = "#anticheat: welcome back detected cheater, ip = " .. ip .. ", name " .. anticheatdb[ip].name .. ", new name = " .. name;
 	end;
-	--check names
+	--check names from stats
 	for ip,v in pairs(anticheatdb) do
 		if v.name == name then 
-			msg = "#anticheat: welcome back detected cheater, ip = " .. ip .. ", name = newname =  " .. v.name;
+			msgiplevelone = "#anticheat: welcome back detected cheater, ip = " .. ip .. ", name = newname =  " .. v.name;
 			break;
 		end
 	end
+	-- send detection msg before try to check info (cos info may be incomplete detection)
+	if msgiplevelone~="" then
+		minetest.after(1, function()
+			for namemd,_ in pairs(cheat.moderators) do 
+				minetest.chat_send_player(namemd,msgiplevelone);
+			end
+		end)
+	end
 
-	if msg~="" then
+	-- rare case / simple sanity check, _should_ not happen ;) pretty rare but modified client that does not give info
-		for name,_ in pairs(cheat.moderators) do 
+	if not info then
-			minetest.chat_send_player(name,msg);
+		if not is_player(player) then 
+			name = name .. " is a bot confirmed, also"
 		end
+		msgipleveltwo = "[governing] can't retrieve info, player '" .. name .. "' disappeared or seems craker"
+		minetest.after(2, function()
+			for namemd,_ in pairs(cheat.moderators) do 
+				minetest.chat_send_player(namemd,msgipleveltwo);
+			end
+		end)
+		minetest.log("warning", msgipleveltwo)
+		return
+	end
+
+	-- prepare information report log, "version_string" is only available if the engine was compiled in debug mode (or patched accordingly)
+	local msgipleveltwo = "[governing] player '" .. name .. "' joined" ..
+		" from:" .. info.address .. 
+		" protocol_version:" .. (info.protocol_version or "20?") ..
+		" formspec_version:" .. (info.formspec_version or "old") ..
+		" lang_code:" .. (info.lang_code or "<unknown>") ..
+		" serialization_version:" .. (info.serialization_version or "20?") ..
+		" version_string:" .. (info.version_string or "not supported")
+	minetest.log("action", msgipleveltwo)
+
+	local msgm = "#anticheat detected a cheater with ".. tostring(minetest.get_player_ip(name)).." named "..name
+	if info.version_string then
+		local dfv = dfver(info.version_string)
+		if dfv then
+			minetest.after(3, function()
+				minetest.chat_send_player(name, msgiplevelone);
+				if minetest.settings:get_bool("beowulf.dfdetect.enable_kick", false) then
+					minetest.kick_player(name, "Are you a cheater stupid user? change your cracked client for play")
+				end
+				for namemd,_ in pairs(cheat.moderators) do 
+					minetest.chat_send_player(namemd,msgm); -- advertise moderators
+				end
+			end)
+			minetest.log(msgm)
+		end
+	else
+		for namemd,_ in pairs(cheat.moderators) do 
+			minetest.chat_send_player(namemd,msgm); -- advertise moderators
+		end
+		minetest.log(msgm)
 	end
 
 end)
@@ -457,6 +752,30 @@ minetest.register_chatcommand("cchk", {
 		if not player then return end
 		check_player(player);
 		
+		local ip = tostring(minetest.get_player_ip(param));
+		local info = minetest.get_player_information(param)
+		local msgm = "#anticheat detected a cheater with "..ip.." named "..param
+		if info.version_string then
+			local dfv = dfver(info.version_string)
+			if dfv then
+				msgm = msgm.." using "..info.version_string
+				minetest.chat_send_player(param, "..... cheat");
+				if minetest.settings:get_bool("beowulf.dfdetect.enable_kick", false) then
+					minetest.kick_player(param, "Are you a cheater stupid user? change your cracked client for play")
+				end
+				minetest.chat_send_player(name,msgm); -- advertise moderators
+				for namemd,_ in pairs(cheat.moderators) do 
+					minetest.chat_send_player(namemd,msgm); -- advertise moderators
+				end
+				minetest.log(msgm)
+			end
+		else
+			for namemd,_ in pairs(cheat.moderators) do 
+				minetest.chat_send_player(namemd,msgm); -- advertise moderators
+			end
+			minetest.log(msgm)
+		end
+
 		
 		local players = minetest.get_connected_players();
 		for name,_ in pairs(cheat.debuglist) do -- show suspects in debug
@@ -467,8 +786,6 @@ minetest.register_chatcommand("cchk", {
 				end
 			end
 		end
-		
-		
 	end
 })
 
@@ -556,7 +873,7 @@ minetest.register_chatcommand("cdebug", { -- toggle cdebug= display of stats on/
 
 -- cleanup after the player leaves
 minetest.register_on_leaveplayer(function(player)
-	if player then
+	if is_player(player) then
 		track_player_clear(player)
 	end
 end)
@@ -587,6 +904,7 @@ local function interval_fn()
 			set_check_can_dig(nodename);
 		end
 	end
+
 	minetest.after(2, interval_fn)
 end
 

commands.lua

@@ -99,4 +99,46 @@ minetest.register_chatcommand("govip", {
 --[[ end of commands for geoip and ip location information ]]
 
 
+--[[ commands for stamina or satiation based on existing mods ]]
+
+if not governing.modhbhunger then
+	if governing.modhudbars and not hb.redo then
+		minetest.register_chatcommand("satiation", {
+			privs = {["server"]=true},
+			params = S("[<player>] <satiation>"),
+			description = S("Set satiation of player or yourself"),
+			func = function(name, param)
+				if minetest.settings:get_bool("enable_damage") == false then
+					return false, S("Not possible, damage is disabled.")
+				end
+				local targetname, satiation = string.match(param, "(%S+) (%S+)")
+				if not targetname then
+					satiation = param
+				end
+				satiation = tonumber(satiation)
+				if not satiation then
+					return false, S("Invalid satiation!")
+				end
+				if not targetname then
+					targetname = name
+				end
+				local target = minetest.get_player_by_name(targetname)
+				if target == nil then
+					return false, S("Player @1 does not exist.", targetname)
+				end
+				if satiation > hbhunger.SAT_MAX then
+					satiation = hbhunger.SAT_MAX
+				elseif satiation < 0 then
+				satiation = 0
+				end
+				hbhunger.hunger[targetname] = satiation
+				hbhunger.set_hunger_raw(target)
+				return true
+			end,
+		})
+	end
+end
+
+--[[ end commands for stamina or satiation based on existing mods ]]
+
 

depends.txt

@@ -1,3 +1,4 @@
 default?
 mail?
 boneworld?
+hudbars?

init.lua

@@ -27,6 +27,8 @@ local modcreative = minetest.get_modpath("creative") -- if creative is available
 local modantispawn = minetest.get_modpath("antispam") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
 local modanticheat = minetest.get_modpath("anticheat") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
 local modbeowulf = minetest.get_modpath("beowulf") -- if rnd1 anticheat mod is loaded, cos only wolrs with mt4
+local modhudbars = minetest.get_modpath("hudbars") -- if the hudbars mod is loaded and working, from wuzzy
+local modhbhunger = minetest.get_modpath("hbhunger") -- if the hudbars hunger mod is loaded and working, from wuzzy
 local checkapikey = minetest.settings:get("governing.checkapikey") or "" -- need for geoip improved ip information, then geoip normal will be used
 
 local is_46 = minetest.has_feature("add_entity_with_staticdata") -- detect minetest engine 4.0.16 or mayor
@@ -96,6 +98,8 @@ governing.modcommand = modcommand -- if same killme and commands is present as m
 governing.modantispawn = modantispawn -- autodetect if older mod antispan by appguru are present
 governing.modanticheat = modanticheat -- if rnd1 anticheat mod is present cos only works with mt4
 governing.modbeowulf = modbeowulf -- if beowulf anticheat mod is present cos only works with mt5
+governing.modhudbars = modhudbars -- if hudbars is present or the mproved hudbars redo
+governing.modhbhunger = modhbhunger -- if hbhunger is present or the mproved hudbars redo
 governing.checkapikey = checkapikey -- need for geoip improved ip information, then geoip normal will be used
 
 --[[ end - namespace of the mod and varible usages ]]

mod.conf

@@ -1,2 +1,2 @@
 name = governing
-optional_depends = default, mail, boneworld
+optional_depends = default, mail, boneworld, hudbars