-- Minetest: builtin/game/chatcommands.lua -- -- Chat command handler -- core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY core.register_on_chat_message(function(name, message) if message:sub(1,1) ~= "/" then return end local cmd, param = string.match(message, "^/([^ ]+) *(.*)") if not cmd then core.chat_send_player(name, "-!- Empty command") return true end param = param or "" local cmd_def = core.registered_chatcommands[cmd] if not cmd_def then core.chat_send_player(name, "-!- Invalid command: " .. cmd) return true end local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs) if has_privs then core.set_last_run_mod(cmd_def.mod_origin) local success, message = cmd_def.func(name, param) if message then core.chat_send_player(name, message) end else core.chat_send_player(name, "You don't have permission" .. " to run this command (missing privileges: " .. table.concat(missing_privs, ", ") .. ")") end return true -- Handled chat message end) if core.settings:get_bool("profiler.load") then -- Run after register_chatcommand and its register_on_chat_message -- Before any chatcommands that should be profiled profiler.init_chatcommand() end -- Parses a "range" string in the format of "here (number)" or -- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors local function parse_range_str(player_name, str) local p1, p2 local args = str:split(" ") if args[1] == "here" then p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2])) if p1 == nil then return false, "Unable to get player " .. player_name .. " position" end else p1, p2 = core.string_to_area(str) if p1 == nil then return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)" end end return p1, p2 end -- -- Chat commands -- core.register_chatcommand("me", { params = "<action>", description = "Show chat action (e.g., '/me orders a pizza' displays" .. " '<player name> orders a pizza')", privs = {shout=true}, func = function(name, param) core.chat_send_all("* " .. name .. " " .. param) end, }) core.register_chatcommand("admin", { description = "Show the name of the server owner", func = function(name) local admin = core.settings:get("name") if admin then return true, "The administrator of this server is " .. admin .. "." else return false, "There's no administrator named in the config file." end end, }) core.register_chatcommand("privs", { params = "[<name>]", description = "Show privileges of yourself or another player", func = function(caller, param) param = param:trim() local name = (param ~= "" and param or caller) if not core.player_exists(name) then return false, "Player " .. name .. " does not exist." end return true, "Privileges of " .. name .. ": " .. core.privs_to_string( core.get_player_privs(name), ' ') end, }) core.register_chatcommand("haspriv", { params = "<privilege>", description = "Return list of all online players with privilege.", privs = {basic_privs = true}, func = function(caller, param) param = param:trim() if param == "" then return false, "Invalid parameters (see /help haspriv)" end if not core.registered_privileges[param] then return false, "Unknown privilege!" end local privs = core.string_to_privs(param) local players_with_priv = {} for _, player in pairs(core.get_connected_players()) do local player_name = player:get_player_name() if core.check_player_privs(player_name, privs) then table.insert(players_with_priv, player_name) end end return true, "Players online with the \"" .. param .. "\" privilege: " .. table.concat(players_with_priv, ", ") end }) local function handle_grant_command(caller, grantname, grantprivstr) local caller_privs = core.get_player_privs(caller) if not (caller_privs.privs or caller_privs.basic_privs) then return false, "Your privileges are insufficient." end if not core.get_auth_handler().get_auth(grantname) then return false, "Player " .. grantname .. " does not exist." end local grantprivs = core.string_to_privs(grantprivstr) if grantprivstr == "all" then grantprivs = core.registered_privileges end local privs = core.get_player_privs(grantname) local privs_unknown = "" local basic_privs = core.string_to_privs(core.settings:get("basic_privs") or "interact,shout") for priv, _ in pairs(grantprivs) do if not basic_privs[priv] and not caller_privs.privs then return false, "Your privileges are insufficient." end if not core.registered_privileges[priv] then privs_unknown = privs_unknown .. "Unknown privilege: " .. priv .. "\n" end privs[priv] = true end if privs_unknown ~= "" then return false, privs_unknown end for priv, _ in pairs(grantprivs) do core.run_priv_callbacks(grantname, priv, caller, "grant") end core.set_player_privs(grantname, privs) core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname) if grantname ~= caller then core.chat_send_player(grantname, caller .. " granted you privileges: " .. core.privs_to_string(grantprivs, ' ')) end return true, "Privileges of " .. grantname .. ": " .. core.privs_to_string( core.get_player_privs(grantname), ' ') end core.register_chatcommand("grant", { params = "<name> (<privilege> | all)", description = "Give privileges to player", func = function(name, param) local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)") if not grantname or not grantprivstr then return false, "Invalid parameters (see /help grant)" end return handle_grant_command(name, grantname, grantprivstr) end, }) core.register_chatcommand("grantme", { params = "<privilege> | all", description = "Grant privileges to yourself", func = function(name, param) if param == "" then return false, "Invalid parameters (see /help grantme)" end return handle_grant_command(name, name, param) end, }) core.register_chatcommand("revoke", { params = "<name> (<privilege> | all)", description = "Remove privileges from player", privs = {}, func = function(name, param) if not core.check_player_privs(name, {privs=true}) and not core.check_player_privs(name, {basic_privs=true}) then return false, "Your privileges are insufficient." end local revoke_name, revoke_priv_str = string.match(param, "([^ ]+) (.+)") if not revoke_name or not revoke_priv_str then return false, "Invalid parameters (see /help revoke)" elseif not core.get_auth_handler().get_auth(revoke_name) then return false, "Player " .. revoke_name .. " does not exist." end local revoke_privs = core.string_to_privs(revoke_priv_str) local privs = core.get_player_privs(revoke_name) local basic_privs = core.string_to_privs(core.settings:get("basic_privs") or "interact,shout") for priv, _ in pairs(revoke_privs) do if not basic_privs[priv] and not core.check_player_privs(name, {privs=true}) then return false, "Your privileges are insufficient." end end if revoke_priv_str == "all" then revoke_privs = privs privs = {} else for priv, _ in pairs(revoke_privs) do privs[priv] = nil end end for priv, _ in pairs(revoke_privs) do core.run_priv_callbacks(revoke_name, priv, name, "revoke") end core.set_player_privs(revoke_name, privs) core.log("action", name..' revoked (' ..core.privs_to_string(revoke_privs, ', ') ..') privileges from '..revoke_name) if revoke_name ~= name then core.chat_send_player(revoke_name, name .. " revoked privileges from you: " .. core.privs_to_string(revoke_privs, ' ')) end return true, "Privileges of " .. revoke_name .. ": " .. core.privs_to_string( core.get_player_privs(revoke_name), ' ') end, }) core.register_chatcommand("setpassword", { params = "<name> <password>", description = "Set player's password", privs = {password=true}, func = function(name, param) local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$") if not toname then toname = param:match("^([^ ]+) *$") raw_password = nil end if not toname then return false, "Name field required" end local act_str_past = "?" local act_str_pres = "?" if not raw_password then core.set_player_password(toname, "") act_str_past = "cleared" act_str_pres = "clears" else core.set_player_password(toname, core.get_password_hash(toname, raw_password)) act_str_past = "set" act_str_pres = "sets" end if toname ~= name then core.chat_send_player(toname, "Your password was " .. act_str_past .. " by " .. name) end core.log("action", name .. " " .. act_str_pres .. " password of " .. toname .. ".") return true, "Password of player \"" .. toname .. "\" " .. act_str_past end, }) core.register_chatcommand("clearpassword", { params = "<name>", description = "Set empty password for a player", privs = {password=true}, func = function(name, param) local toname = param if toname == "" then return false, "Name field required" end core.set_player_password(toname, '') core.log("action", name .. " clears password of " .. toname .. ".") return true, "Password of player \"" .. toname .. "\" cleared" end, }) core.register_chatcommand("auth_reload", { params = "", description = "Reload authentication data", privs = {server=true}, func = function(name, param) local done = core.auth_reload() return done, (done and "Done." or "Failed.") end, }) core.register_chatcommand("remove_player", { params = "<name>", description = "Remove a player's data", privs = {server=true}, func = function(name, param) local toname = param if toname == "" then return false, "Name field required" end local rc = core.remove_player(toname) if rc == 0 then core.log("action", name .. " removed player data of " .. toname .. ".") return true, "Player \"" .. toname .. "\" removed." elseif rc == 1 then return true, "No such player \"" .. toname .. "\" to remove." elseif rc == 2 then return true, "Player \"" .. toname .. "\" is connected, cannot remove." end return false, "Unhandled remove_player return code " .. rc .. "" end, }) core.register_chatcommand("teleport", { params = "<X>,<Y>,<Z> | <to_name> | (<name> <X>,<Y>,<Z>) | (<name> <to_name>)", description = "Teleport to position or player", privs = {teleport=true}, func = function(name, param) -- Returns (pos, true) if found, otherwise (pos, false) local function find_free_position_near(pos) local tries = { {x=1,y=0,z=0}, {x=-1,y=0,z=0}, {x=0,y=0,z=1}, {x=0,y=0,z=-1}, } for _, d in ipairs(tries) do local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z} local n = core.get_node_or_nil(p) if n and n.name then local def = core.registered_nodes[n.name] if def and not def.walkable then return p, true end end end return pos, false end local teleportee = nil local p = {} p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$") p.x = tonumber(p.x) p.y = tonumber(p.y) p.z = tonumber(p.z) if p.x and p.y and p.z then local lm = 31000 if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then return false, "Cannot teleport out of map bounds!" end teleportee = core.get_player_by_name(name) if teleportee then teleportee:set_pos(p) return true, "Teleporting to "..core.pos_to_string(p) end end local teleportee = nil local p = nil local target_name = nil target_name = param:match("^([^ ]+)$") teleportee = core.get_player_by_name(name) if target_name then local target = core.get_player_by_name(target_name) if target then p = target:get_pos() end end if teleportee and p then p = find_free_position_near(p) teleportee:set_pos(p) return true, "Teleporting to " .. target_name .. " at "..core.pos_to_string(p) end if not core.check_player_privs(name, {bring=true}) then return false, "You don't have permission to teleport other players (missing bring privilege)" end local teleportee = nil local p = {} local teleportee_name = nil teleportee_name, p.x, p.y, p.z = param:match( "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$") p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z) if teleportee_name then teleportee = core.get_player_by_name(teleportee_name) end if teleportee and p.x and p.y and p.z then teleportee:set_pos(p) return true, "Teleporting " .. teleportee_name .. " to " .. core.pos_to_string(p) end local teleportee = nil local p = nil local teleportee_name = nil local target_name = nil teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$") if teleportee_name then teleportee = core.get_player_by_name(teleportee_name) end if target_name then local target = core.get_player_by_name(target_name) if target then p = target:get_pos() end end if teleportee and p then p = find_free_position_near(p) teleportee:set_pos(p) return true, "Teleporting " .. teleportee_name .. " to " .. target_name .. " at " .. core.pos_to_string(p) end return false, 'Invalid parameters ("' .. param .. '") or player not found (see /help teleport)' end, }) core.register_chatcommand("set", { params = "([-n] <name> <value>) | <name>", description = "Set or read server configuration setting", privs = {server=true}, func = function(name, param) local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)") if arg and arg == "-n" and setname and setvalue then core.settings:set(setname, setvalue) return true, setname .. " = " .. setvalue end local setname, setvalue = string.match(param, "([^ ]+) (.+)") if setname and setvalue then if not core.settings:get(setname) then return false, "Failed. Use '/set -n <name> <value>' to create a new setting." end core.settings:set(setname, setvalue) return true, setname .. " = " .. setvalue end local setname = string.match(param, "([^ ]+)") if setname then local setvalue = core.settings:get(setname) if not setvalue then setvalue = "<not set>" end return true, setname .. " = " .. setvalue end return false, "Invalid parameters (see /help set)." end, }) local function emergeblocks_callback(pos, action, num_calls_remaining, ctx) if ctx.total_blocks == 0 then ctx.total_blocks = num_calls_remaining + 1 ctx.current_blocks = 0 end ctx.current_blocks = ctx.current_blocks + 1 if ctx.current_blocks == ctx.total_blocks then core.chat_send_player(ctx.requestor_name, string.format("Finished emerging %d blocks in %.2fms.", ctx.total_blocks, (os.clock() - ctx.start_time) * 1000)) end end local function emergeblocks_progress_update(ctx) if ctx.current_blocks ~= ctx.total_blocks then core.chat_send_player(ctx.requestor_name, string.format("emergeblocks update: %d/%d blocks emerged (%.1f%%)", ctx.current_blocks, ctx.total_blocks, (ctx.current_blocks / ctx.total_blocks) * 100)) core.after(2, emergeblocks_progress_update, ctx) end end core.register_chatcommand("emergeblocks", { params = "(here [<radius>]) | (<pos1> <pos2>)", description = "Load (or, if nonexistent, generate) map blocks " .. "contained in area pos1 to pos2 (<pos1> and <pos2> must be in parentheses)", privs = {server=true}, func = function(name, param) local p1, p2 = parse_range_str(name, param) if p1 == false then return false, p2 end local context = { current_blocks = 0, total_blocks = 0, start_time = os.clock(), requestor_name = name } core.emerge_area(p1, p2, emergeblocks_callback, context) core.after(2, emergeblocks_progress_update, context) return true, "Started emerge of area ranging from " .. core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1) end, }) core.register_chatcommand("deleteblocks", { params = "(here [<radius>]) | (<pos1> <pos2>)", description = "Delete map blocks contained in area pos1 to pos2 " .. "(<pos1> and <pos2> must be in parentheses)", privs = {server=true}, func = function(name, param) local p1, p2 = parse_range_str(name, param) if p1 == false then return false, p2 end if core.delete_area(p1, p2) then return true, "Successfully cleared area ranging from " .. core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1) else return false, "Failed to clear one or more blocks in area" end end, }) core.register_chatcommand("fixlight", { params = "(here [<radius>]) | (<pos1> <pos2>)", description = "Resets lighting in the area between pos1 and pos2 " .. "(<pos1> and <pos2> must be in parentheses)", privs = {server = true}, func = function(name, param) local p1, p2 = parse_range_str(name, param) if p1 == false then return false, p2 end if core.fix_light(p1, p2) then return true, "Successfully reset light in the area ranging from " .. core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1) else return false, "Failed to load one or more blocks in area" end end, }) core.register_chatcommand("mods", { params = "", description = "List mods installed on the server", privs = {}, func = function(name, param) return true, table.concat(core.get_modnames(), ", ") end, }) local function handle_give_command(cmd, giver, receiver, stackstring) core.log("action", giver .. " invoked " .. cmd .. ', stackstring="' .. stackstring .. '"') local itemstack = ItemStack(stackstring) if itemstack:is_empty() then return false, "Cannot give an empty item" elseif (not itemstack:is_known()) or (itemstack:get_name() == "unknown") then return false, "Cannot give an unknown item" -- Forbid giving 'ignore' due to unwanted side effects elseif itemstack:get_name() == "ignore" then return false, "Giving 'ignore' is not allowed" end local receiverref = core.get_player_by_name(receiver) if receiverref == nil then return false, receiver .. " is not a known player" end local leftover = receiverref:get_inventory():add_item("main", itemstack) local partiality if leftover:is_empty() then partiality = "" elseif leftover:get_count() == itemstack:get_count() then partiality = "could not be " else partiality = "partially " end -- The actual item stack string may be different from what the "giver" -- entered (e.g. big numbers are always interpreted as 2^16-1). stackstring = itemstack:to_string() if giver == receiver then local msg = "%q %sadded to inventory." return true, msg:format(stackstring, partiality) else core.chat_send_player(receiver, ("%q %sadded to inventory.") :format(stackstring, partiality)) local msg = "%q %sadded to %s's inventory." return true, msg:format(stackstring, partiality, receiver) end end core.register_chatcommand("give", { params = "<name> <ItemString> [<count> [<wear>]]", description = "Give item to player", privs = {give=true}, func = function(name, param) local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$") if not toname or not itemstring then return false, "Name and ItemString required" end return handle_give_command("/give", name, toname, itemstring) end, }) core.register_chatcommand("giveme", { params = "<ItemString> [<count> [<wear>]]", description = "Give item to yourself", privs = {give=true}, func = function(name, param) local itemstring = string.match(param, "(.+)$") if not itemstring then return false, "ItemString required" end return handle_give_command("/giveme", name, name, itemstring) end, }) core.register_chatcommand("spawnentity", { params = "<EntityName> [<X>,<Y>,<Z>]", description = "Spawn entity at given (or your) position", privs = {give=true, interact=true}, func = function(name, param) local entityname, p = string.match(param, "^([^ ]+) *(.*)$") if not entityname then return false, "EntityName required" end core.log("action", ("%s invokes /spawnentity, entityname=%q") :format(name, entityname)) local player = core.get_player_by_name(name) if player == nil then core.log("error", "Unable to spawn entity, player is nil") return false, "Unable to spawn entity, player is nil" end if not core.registered_entities[entityname] then return false, "Cannot spawn an unknown entity" end if p == "" then p = player:get_pos() else p = core.string_to_pos(p) if p == nil then return false, "Invalid parameters ('" .. param .. "')" end end p.y = p.y + 1 core.add_entity(p, entityname) return true, ("%q spawned."):format(entityname) end, }) core.register_chatcommand("pulverize", { params = "", description = "Destroy item in hand", func = function(name, param) local player = core.get_player_by_name(name) if not player then core.log("error", "Unable to pulverize, no player.") return false, "Unable to pulverize, no player." end local wielded_item = player:get_wielded_item() if wielded_item:is_empty() then return false, "Unable to pulverize, no item in hand." end core.log("action", name .. " pulverized \"" .. wielded_item:get_name() .. " " .. wielded_item:get_count() .. "\"") player:set_wielded_item(nil) return true, "An item was pulverized." end, }) -- Key = player name core.rollback_punch_callbacks = {} core.register_on_punchnode(function(pos, node, puncher) local name = puncher and puncher:get_player_name() if name and core.rollback_punch_callbacks[name] then core.rollback_punch_callbacks[name](pos, node, puncher) core.rollback_punch_callbacks[name] = nil end end) core.register_chatcommand("rollback_check", { params = "[<range>] [<seconds>] [<limit>]", description = "Check who last touched a node or a node near it" .. " within the time specified by <seconds>. Default: range = 0," .. " seconds = 86400 = 24h, limit = 5", privs = {rollback=true}, func = function(name, param) if not core.settings:get_bool("enable_rollback_recording") then return false, "Rollback functions are disabled." end local range, seconds, limit = param:match("(%d+) *(%d*) *(%d*)") range = tonumber(range) or 0 seconds = tonumber(seconds) or 86400 limit = tonumber(limit) or 5 if limit > 100 then return false, "That limit is too high!" end core.rollback_punch_callbacks[name] = function(pos, node, puncher) local name = puncher:get_player_name() core.chat_send_player(name, "Checking " .. core.pos_to_string(pos) .. "...") local actions = core.rollback_get_node_actions(pos, range, seconds, limit) if not actions then core.chat_send_player(name, "Rollback functions are disabled") return end local num_actions = #actions if num_actions == 0 then core.chat_send_player(name, "Nobody has touched" .. " the specified location in " .. seconds .. " seconds") return end local time = os.time() for i = num_actions, 1, -1 do local action = actions[i] core.chat_send_player(name, ("%s %s %s -> %s %d seconds ago.") :format( core.pos_to_string(action.pos), action.actor, action.oldnode.name, action.newnode.name, time - action.time)) end end return true, "Punch a node (range=" .. range .. ", seconds=" .. seconds .. "s, limit=" .. limit .. ")" end, }) core.register_chatcommand("rollback", { params = "(<name> [<seconds>]) | (:<actor> [<seconds>])", description = "Revert actions of a player. Default for <seconds> is 60", privs = {rollback=true}, func = function(name, param) if not core.settings:get_bool("enable_rollback_recording") then return false, "Rollback functions are disabled." end local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)") if not target_name then local player_name = nil player_name, seconds = string.match(param, "([^ ]+) *(%d*)") if not player_name then return false, "Invalid parameters. See /help rollback" .. " and /help rollback_check." end target_name = "player:"..player_name end seconds = tonumber(seconds) or 60 core.chat_send_player(name, "Reverting actions of " .. target_name .. " since " .. seconds .. " seconds.") local success, log = core.rollback_revert_actions_by( target_name, seconds) local response = "" if #log > 100 then response = "(log is too long to show)\n" else for _, line in pairs(log) do response = response .. line .. "\n" end end response = response .. "Reverting actions " .. (success and "succeeded." or "FAILED.") return success, response end, }) core.register_chatcommand("status", { description = "Show server status", func = function(name, param) local status = core.get_server_status(name, false) if status and status ~= "" then return true, status end return false, "This command was disabled by a mod or game" end, }) core.register_chatcommand("time", { params = "[<0..23>:<0..59> | <0..24000>]", description = "Show or set time of day", privs = {}, func = function(name, param) if param == "" then local current_time = math.floor(core.get_timeofday() * 1440) local minutes = current_time % 60 local hour = (current_time - minutes) / 60 return true, ("Current time is %d:%02d"):format(hour, minutes) end local player_privs = core.get_player_privs(name) if not player_privs.settime then return false, "You don't have permission to run this command " .. "(missing privilege: settime)." end local hour, minute = param:match("^(%d+):(%d+)$") if not hour then local new_time = tonumber(param) if not new_time then return false, "Invalid time." end -- Backward compatibility. core.set_timeofday((new_time % 24000) / 24000) core.log("action", name .. " sets time to " .. new_time) return true, "Time of day changed." end hour = tonumber(hour) minute = tonumber(minute) if hour < 0 or hour > 23 then return false, "Invalid hour (must be between 0 and 23 inclusive)." elseif minute < 0 or minute > 59 then return false, "Invalid minute (must be between 0 and 59 inclusive)." end core.set_timeofday((hour * 60 + minute) / 1440) core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute)) return true, "Time of day changed." end, }) core.register_chatcommand("days", { description = "Show day count since world creation", func = function(name, param) return true, "Current day is " .. core.get_day_count() end }) core.register_chatcommand("shutdown", { params = "[<delay_in_seconds> | -1] [reconnect] [<message>]", description = "Shutdown server (-1 cancels a delayed shutdown)", privs = {server=true}, func = function(name, param) local delay, reconnect, message delay, param = param:match("^%s*(%S+)(.*)") if param then reconnect, param = param:match("^%s*(%S+)(.*)") end message = param and param:match("^%s*(.+)") or "" delay = tonumber(delay) or 0 if delay == 0 then core.log("action", name .. " shuts down server") core.chat_send_all("*** Server shutting down (operator request).") end core.request_shutdown(message:trim(), core.is_yes(reconnect), delay) end, }) core.register_chatcommand("ban", { params = "[<name> | <IP_address>]", description = "Ban player or show ban list", privs = {ban=true}, func = function(name, param) if param == "" then local ban_list = core.get_ban_list() if ban_list == "" then return true, "The ban list is empty." else return true, "Ban list: " .. ban_list end end if not core.get_player_by_name(param) then return false, "No such player." end if not core.ban_player(param) then return false, "Failed to ban player." end local desc = core.get_ban_description(param) core.log("action", name .. " bans " .. desc .. ".") return true, "Banned " .. desc .. "." end, }) core.register_chatcommand("unban", { params = "<name> | <IP_address>", description = "Remove player ban", privs = {ban=true}, func = function(name, param) if not core.unban_player_or_ip(param) then return false, "Failed to unban player/IP." end core.log("action", name .. " unbans " .. param) return true, "Unbanned " .. param end, }) core.register_chatcommand("kick", { params = "<name> [<reason>]", description = "Kick a player", privs = {kick=true}, func = function(name, param) local tokick, reason = param:match("([^ ]+) (.+)") tokick = tokick or param if not core.kick_player(tokick, reason) then return false, "Failed to kick player " .. tokick end local log_reason = "" if reason then log_reason = " with reason \"" .. reason .. "\"" end core.log("action", name .. " kicks " .. tokick .. log_reason) return true, "Kicked " .. tokick end, }) core.register_chatcommand("clearobjects", { params = "[full | quick]", description = "Clear all objects in world", privs = {server=true}, func = function(name, param) local options = {} if param == "" or param == "quick" then options.mode = "quick" elseif param == "full" then options.mode = "full" else return false, "Invalid usage, see /help clearobjects." end core.log("action", name .. " clears all objects (" .. options.mode .. " mode).") core.chat_send_all("Clearing all objects. This may take long." .. " You may experience a timeout. (by " .. name .. ")") core.clear_objects(options) core.log("action", "Object clearing done.") core.chat_send_all("*** Cleared all objects.") end, }) core.register_chatcommand("msg", { params = "<name> <message>", description = "Send a private message", privs = {shout=true}, func = function(name, param) local sendto, message = param:match("^(%S+)%s(.+)$") if not sendto then return false, "Invalid usage, see /help msg." end if not core.get_player_by_name(sendto) then return false, "The player " .. sendto .. " is not online." end core.log("action", "PM from " .. name .. " to " .. sendto .. ": " .. message) core.chat_send_player(sendto, "PM from " .. name .. ": " .. message) return true, "Message sent." end, }) core.register_chatcommand("last-login", { params = "[<name>]", description = "Get the last login time of a player or yourself", func = function(name, param) if param == "" then param = name end local pauth = core.get_auth_handler().get_auth(param) if pauth and pauth.last_login then -- Time in UTC, ISO 8601 format return true, "Last login time was " .. os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login) end return false, "Last login time is unknown" end, }) core.register_chatcommand("clearinv", { params = "[<name>]", description = "Clear the inventory of yourself or another player", func = function(name, param) local player if param and param ~= "" and param ~= name then if not core.check_player_privs(name, {server=true}) then return false, "You don't have permission" .. " to clear another player's inventory (missing privilege: server)" end player = core.get_player_by_name(param) core.chat_send_player(param, name.." cleared your inventory.") else player = core.get_player_by_name(name) end if player then player:get_inventory():set_list("main", {}) player:get_inventory():set_list("craft", {}) player:get_inventory():set_list("craftpreview", {}) core.log("action", name.." clears "..player:get_player_name().."'s inventory") return true, "Cleared "..player:get_player_name().."'s inventory." else return false, "Player must be online to clear inventory!" end end, }) local function handle_kill_command(killer, victim) if core.settings:get_bool("enable_damage") == false then return false, "Players can't be killed, damage has been disabled." end local victimref = core.get_player_by_name(victim) if victimref == nil then return false, string.format("Player %s is not online.", victim) elseif victimref:get_hp() <= 0 then if killer == victim then return false, "You are already dead." else return false, string.format("%s is already dead.", victim) end end if not killer == victim then core.log("action", string.format("%s killed %s", killer, victim)) end -- Kill victim victimref:set_hp(0) return true, string.format("%s has been killed.", victim) end core.register_chatcommand("kill", { params = "[<name>]", description = "Kill player or yourself", privs = {server=true}, func = function(name, param) return handle_kill_command(name, param == "" and name or param) end, })