1 -- Minetest: builtin/game/chatcommands.lua
4 -- Chat command handler
7 core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
9 core.register_on_chat_message(function(name, message)
10 if message:sub(1,1) ~= "/" then
14 local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
16 core.chat_send_player(name, "-!- Empty command")
22 local cmd_def = core.registered_chatcommands[cmd]
24 core.chat_send_player(name, "-!- Invalid command: " .. cmd)
27 local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs)
29 core.set_last_run_mod(cmd_def.mod_origin)
30 local success, message = cmd_def.func(name, param)
32 core.chat_send_player(name, message)
35 core.chat_send_player(name, "You don't have permission"
36 .. " to run this command (missing privileges: "
37 .. table.concat(missing_privs, ", ") .. ")")
39 return true -- Handled chat message
42 if core.setting_getbool("profiler.load") then
43 -- Run after register_chatcommand and its register_on_chat_message
44 -- Before any chattcommands that should be profiled
45 profiler.init_chatcommand()
48 -- Parses a "range" string in the format of "here (number)" or
49 -- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
50 local function parse_range_str(player_name, str)
52 local args = str:split(" ")
54 if args[1] == "here" then
55 p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
57 return false, "Unable to get player " .. player_name .. " position"
60 p1, p2 = core.string_to_area(str)
62 return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
72 core.register_chatcommand("me", {
74 description = "Display chat action (e.g., '/me orders a pizza' displays"
75 .. " '<player name> orders a pizza')",
77 func = function(name, param)
78 core.chat_send_all("* " .. name .. " " .. param)
82 core.register_chatcommand("admin", {
83 description = "Show the name of the server owner",
85 local admin = minetest.setting_get("name")
87 return true, "The administrator of this server is "..admin.."."
89 return false, "There's no administrator named in the config file."
94 core.register_chatcommand("privs", {
96 description = "Print privileges of player",
97 func = function(caller, param)
99 local name = (param ~= "" and param or caller)
100 return true, "Privileges of " .. name .. ": "
101 .. core.privs_to_string(
102 core.get_player_privs(name), ' ')
106 local function handle_grant_command(caller, grantname, grantprivstr)
107 local caller_privs = minetest.get_player_privs(caller)
108 if not (caller_privs.privs or caller_privs.basic_privs) then
109 return false, "Your privileges are insufficient."
112 if not core.get_auth_handler().get_auth(grantname) then
113 return false, "Player " .. grantname .. " does not exist."
115 local grantprivs = core.string_to_privs(grantprivstr)
116 if grantprivstr == "all" then
117 grantprivs = core.registered_privileges
119 local privs = core.get_player_privs(grantname)
120 local privs_unknown = ""
122 core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
123 for priv, _ in pairs(grantprivs) do
124 if not basic_privs[priv] and not caller_privs.privs then
125 return false, "Your privileges are insufficient."
127 if not core.registered_privileges[priv] then
128 privs_unknown = privs_unknown .. "Unknown privilege: " .. priv .. "\n"
132 if privs_unknown ~= "" then
133 return false, privs_unknown
135 core.set_player_privs(grantname, privs)
136 core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname)
137 if grantname ~= caller then
138 core.chat_send_player(grantname, caller
139 .. " granted you privileges: "
140 .. core.privs_to_string(grantprivs, ' '))
142 return true, "Privileges of " .. grantname .. ": "
143 .. core.privs_to_string(
144 core.get_player_privs(grantname), ' ')
147 core.register_chatcommand("grant", {
148 params = "<name> <privilege>|all",
149 description = "Give privilege to player",
150 func = function(name, param)
151 local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
152 if not grantname or not grantprivstr then
153 return false, "Invalid parameters (see /help grant)"
155 return handle_grant_command(name, grantname, grantprivstr)
159 core.register_chatcommand("grantme", {
160 params = "<privilege>|all",
161 description = "Grant privileges to yourself",
162 func = function(name, param)
164 return false, "Invalid parameters (see /help grantme)"
166 return handle_grant_command(name, name, param)
170 core.register_chatcommand("revoke", {
171 params = "<name> <privilege>|all",
172 description = "Remove privilege from player",
174 func = function(name, param)
175 if not core.check_player_privs(name, {privs=true}) and
176 not core.check_player_privs(name, {basic_privs=true}) then
177 return false, "Your privileges are insufficient."
179 local revoke_name, revoke_priv_str = string.match(param, "([^ ]+) (.+)")
180 if not revoke_name or not revoke_priv_str then
181 return false, "Invalid parameters (see /help revoke)"
182 elseif not core.get_auth_handler().get_auth(revoke_name) then
183 return false, "Player " .. revoke_name .. " does not exist."
185 local revoke_privs = core.string_to_privs(revoke_priv_str)
186 local privs = core.get_player_privs(revoke_name)
188 core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
189 for priv, _ in pairs(revoke_privs) do
190 if not basic_privs[priv] and
191 not core.check_player_privs(name, {privs=true}) then
192 return false, "Your privileges are insufficient."
195 if revoke_priv_str == "all" then
198 for priv, _ in pairs(revoke_privs) do
202 core.set_player_privs(revoke_name, privs)
203 core.log("action", name..' revoked ('
204 ..core.privs_to_string(revoke_privs, ', ')
205 ..') privileges from '..revoke_name)
206 if revoke_name ~= name then
207 core.chat_send_player(revoke_name, name
208 .. " revoked privileges from you: "
209 .. core.privs_to_string(revoke_privs, ' '))
211 return true, "Privileges of " .. revoke_name .. ": "
212 .. core.privs_to_string(
213 core.get_player_privs(revoke_name), ' ')
217 core.register_chatcommand("setpassword", {
218 params = "<name> <password>",
219 description = "Set player's password",
220 privs = {password=true},
221 func = function(name, param)
222 local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$")
224 toname = param:match("^([^ ]+) *$")
228 return false, "Name field required"
230 local act_str_past = "?"
231 local act_str_pres = "?"
232 if not raw_password then
233 core.set_player_password(toname, "")
234 act_str_past = "cleared"
235 act_str_pres = "clears"
237 core.set_player_password(toname,
238 core.get_password_hash(toname,
241 act_str_pres = "sets"
243 if toname ~= name then
244 core.chat_send_player(toname, "Your password was "
245 .. act_str_past .. " by " .. name)
248 core.log("action", name .. " " .. act_str_pres
249 .. " password of " .. toname .. ".")
251 return true, "Password of player \"" .. toname .. "\" " .. act_str_past
255 core.register_chatcommand("clearpassword", {
257 description = "Set empty password",
258 privs = {password=true},
259 func = function(name, param)
262 return false, "Name field required"
264 core.set_player_password(toname, '')
266 core.log("action", name .. " clears password of " .. toname .. ".")
268 return true, "Password of player \"" .. toname .. "\" cleared"
272 core.register_chatcommand("auth_reload", {
274 description = "Reload authentication data",
275 privs = {server=true},
276 func = function(name, param)
277 local done = core.auth_reload()
278 return done, (done and "Done." or "Failed.")
282 core.register_chatcommand("teleport", {
283 params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
284 description = "Teleport to player or position",
285 privs = {teleport=true},
286 func = function(name, param)
287 -- Returns (pos, true) if found, otherwise (pos, false)
288 local function find_free_position_near(pos)
295 for _, d in ipairs(tries) do
296 local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
297 local n = core.get_node_or_nil(p)
299 local def = core.registered_nodes[n.name]
300 if def and not def.walkable then
308 local teleportee = nil
310 p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
314 if p.x and p.y and p.z then
316 if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then
317 return false, "Cannot teleport out of map bounds!"
319 teleportee = core.get_player_by_name(name)
322 return true, "Teleporting to "..core.pos_to_string(p)
326 local teleportee = nil
328 local target_name = nil
329 target_name = param:match("^([^ ]+)$")
330 teleportee = core.get_player_by_name(name)
332 local target = core.get_player_by_name(target_name)
337 if teleportee and p then
338 p = find_free_position_near(p)
340 return true, "Teleporting to " .. target_name
341 .. " at "..core.pos_to_string(p)
344 if not core.check_player_privs(name, {bring=true}) then
345 return false, "You don't have permission to teleport other players (missing bring privilege)"
348 local teleportee = nil
350 local teleportee_name = nil
351 teleportee_name, p.x, p.y, p.z = param:match(
352 "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
353 p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z)
354 if teleportee_name then
355 teleportee = core.get_player_by_name(teleportee_name)
357 if teleportee and p.x and p.y and p.z then
359 return true, "Teleporting " .. teleportee_name
360 .. " to " .. core.pos_to_string(p)
363 local teleportee = nil
365 local teleportee_name = nil
366 local target_name = nil
367 teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
368 if teleportee_name then
369 teleportee = core.get_player_by_name(teleportee_name)
372 local target = core.get_player_by_name(target_name)
377 if teleportee and p then
378 p = find_free_position_near(p)
380 return true, "Teleporting " .. teleportee_name
381 .. " to " .. target_name
382 .. " at " .. core.pos_to_string(p)
385 return false, 'Invalid parameters ("' .. param
386 .. '") or player not found (see /help teleport)'
390 core.register_chatcommand("set", {
391 params = "[-n] <name> <value> | <name>",
392 description = "Set or read server configuration setting",
393 privs = {server=true},
394 func = function(name, param)
395 local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
396 if arg and arg == "-n" and setname and setvalue then
397 core.setting_set(setname, setvalue)
398 return true, setname .. " = " .. setvalue
400 local setname, setvalue = string.match(param, "([^ ]+) (.+)")
401 if setname and setvalue then
402 if not core.setting_get(setname) then
403 return false, "Failed. Use '/set -n <name> <value>' to create a new setting."
405 core.setting_set(setname, setvalue)
406 return true, setname .. " = " .. setvalue
408 local setname = string.match(param, "([^ ]+)")
410 local setvalue = core.setting_get(setname)
412 setvalue = "<not set>"
414 return true, setname .. " = " .. setvalue
416 return false, "Invalid parameters (see /help set)."
420 local function emergeblocks_callback(pos, action, num_calls_remaining, ctx)
421 if ctx.total_blocks == 0 then
422 ctx.total_blocks = num_calls_remaining + 1
423 ctx.current_blocks = 0
425 ctx.current_blocks = ctx.current_blocks + 1
427 if ctx.current_blocks == ctx.total_blocks then
428 core.chat_send_player(ctx.requestor_name,
429 string.format("Finished emerging %d blocks in %.2fms.",
430 ctx.total_blocks, (os.clock() - ctx.start_time) * 1000))
434 local function emergeblocks_progress_update(ctx)
435 if ctx.current_blocks ~= ctx.total_blocks then
436 core.chat_send_player(ctx.requestor_name,
437 string.format("emergeblocks update: %d/%d blocks emerged (%.1f%%)",
438 ctx.current_blocks, ctx.total_blocks,
439 (ctx.current_blocks / ctx.total_blocks) * 100))
441 core.after(2, emergeblocks_progress_update, ctx)
445 core.register_chatcommand("emergeblocks", {
446 params = "(here [radius]) | (<pos1> <pos2>)",
447 description = "Load (or, if nonexistent, generate) map blocks "
448 .. "contained in area pos1 to pos2",
449 privs = {server=true},
450 func = function(name, param)
451 local p1, p2 = parse_range_str(name, param)
459 start_time = os.clock(),
460 requestor_name = name
463 core.emerge_area(p1, p2, emergeblocks_callback, context)
464 core.after(2, emergeblocks_progress_update, context)
466 return true, "Started emerge of area ranging from " ..
467 core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
471 core.register_chatcommand("deleteblocks", {
472 params = "(here [radius]) | (<pos1> <pos2>)",
473 description = "Delete map blocks contained in area pos1 to pos2",
474 privs = {server=true},
475 func = function(name, param)
476 local p1, p2 = parse_range_str(name, param)
481 if core.delete_area(p1, p2) then
482 return true, "Successfully cleared area ranging from " ..
483 core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
485 return false, "Failed to clear one or more blocks in area"
490 core.register_chatcommand("mods", {
492 description = "List mods installed on the server",
494 func = function(name, param)
495 return true, table.concat(core.get_modnames(), ", ")
499 local function handle_give_command(cmd, giver, receiver, stackstring)
500 core.log("action", giver .. " invoked " .. cmd
501 .. ', stackstring="' .. stackstring .. '"')
502 local itemstack = ItemStack(stackstring)
503 if itemstack:is_empty() then
504 return false, "Cannot give an empty item"
505 elseif not itemstack:is_known() then
506 return false, "Cannot give an unknown item"
508 local receiverref = core.get_player_by_name(receiver)
509 if receiverref == nil then
510 return false, receiver .. " is not a known player"
512 local leftover = receiverref:get_inventory():add_item("main", itemstack)
514 if leftover:is_empty() then
516 elseif leftover:get_count() == itemstack:get_count() then
517 partiality = "could not be "
519 partiality = "partially "
521 -- The actual item stack string may be different from what the "giver"
522 -- entered (e.g. big numbers are always interpreted as 2^16-1).
523 stackstring = itemstack:to_string()
524 if giver == receiver then
525 return true, ("%q %sadded to inventory.")
526 :format(stackstring, partiality)
528 core.chat_send_player(receiver, ("%q %sadded to inventory.")
529 :format(stackstring, partiality))
530 return true, ("%q %sadded to %s's inventory.")
531 :format(stackstring, partiality, receiver)
535 core.register_chatcommand("give", {
536 params = "<name> <ItemString>",
537 description = "Give item to player",
539 func = function(name, param)
540 local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
541 if not toname or not itemstring then
542 return false, "Name and ItemString required"
544 return handle_give_command("/give", name, toname, itemstring)
548 core.register_chatcommand("giveme", {
549 params = "<ItemString>",
550 description = "Give item to yourself",
552 func = function(name, param)
553 local itemstring = string.match(param, "(.+)$")
554 if not itemstring then
555 return false, "ItemString required"
557 return handle_give_command("/giveme", name, name, itemstring)
561 core.register_chatcommand("spawnentity", {
562 params = "<EntityName> [<X>,<Y>,<Z>]",
563 description = "Spawn entity at given (or your) position",
564 privs = {give=true, interact=true},
565 func = function(name, param)
566 local entityname, p = string.match(param, "^([^ ]+) *(.*)$")
567 if not entityname then
568 return false, "EntityName required"
570 core.log("action", ("%s invokes /spawnentity, entityname=%q")
571 :format(name, entityname))
572 local player = core.get_player_by_name(name)
573 if player == nil then
574 core.log("error", "Unable to spawn entity, player is nil")
575 return false, "Unable to spawn entity, player is nil"
580 p = core.string_to_pos(p)
582 return false, "Invalid parameters ('" .. param .. "')"
586 core.add_entity(p, entityname)
587 return true, ("%q spawned."):format(entityname)
591 core.register_chatcommand("pulverize", {
593 description = "Destroy item in hand",
594 func = function(name, param)
595 local player = core.get_player_by_name(name)
597 core.log("error", "Unable to pulverize, no player.")
598 return false, "Unable to pulverize, no player."
600 if player:get_wielded_item():is_empty() then
601 return false, "Unable to pulverize, no item in hand."
603 player:set_wielded_item(nil)
604 return true, "An item was pulverized."
609 core.rollback_punch_callbacks = {}
611 core.register_on_punchnode(function(pos, node, puncher)
612 local name = puncher:get_player_name()
613 if core.rollback_punch_callbacks[name] then
614 core.rollback_punch_callbacks[name](pos, node, puncher)
615 core.rollback_punch_callbacks[name] = nil
619 core.register_chatcommand("rollback_check", {
620 params = "[<range>] [<seconds>] [limit]",
621 description = "Check who last touched a node or a node near it"
622 .. " within the time specified by <seconds>. Default: range = 0,"
623 .. " seconds = 86400 = 24h, limit = 5",
624 privs = {rollback=true},
625 func = function(name, param)
626 if not core.setting_getbool("enable_rollback_recording") then
627 return false, "Rollback functions are disabled."
629 local range, seconds, limit =
630 param:match("(%d+) *(%d*) *(%d*)")
631 range = tonumber(range) or 0
632 seconds = tonumber(seconds) or 86400
633 limit = tonumber(limit) or 5
635 return false, "That limit is too high!"
638 core.rollback_punch_callbacks[name] = function(pos, node, puncher)
639 local name = puncher:get_player_name()
640 core.chat_send_player(name, "Checking " .. core.pos_to_string(pos) .. "...")
641 local actions = core.rollback_get_node_actions(pos, range, seconds, limit)
643 core.chat_send_player(name, "Rollback functions are disabled")
646 local num_actions = #actions
647 if num_actions == 0 then
648 core.chat_send_player(name, "Nobody has touched"
649 .. " the specified location in "
650 .. seconds .. " seconds")
653 local time = os.time()
654 for i = num_actions, 1, -1 do
655 local action = actions[i]
656 core.chat_send_player(name,
657 ("%s %s %s -> %s %d seconds ago.")
659 core.pos_to_string(action.pos),
667 return true, "Punch a node (range=" .. range .. ", seconds="
668 .. seconds .. "s, limit=" .. limit .. ")"
672 core.register_chatcommand("rollback", {
673 params = "<player name> [<seconds>] | :<actor> [<seconds>]",
674 description = "Revert actions of a player. Default for <seconds> is 60",
675 privs = {rollback=true},
676 func = function(name, param)
677 if not core.setting_getbool("enable_rollback_recording") then
678 return false, "Rollback functions are disabled."
680 local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
681 if not target_name then
682 local player_name = nil
683 player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
684 if not player_name then
685 return false, "Invalid parameters. See /help rollback"
686 .. " and /help rollback_check."
688 target_name = "player:"..player_name
690 seconds = tonumber(seconds) or 60
691 core.chat_send_player(name, "Reverting actions of "
692 .. target_name .. " since "
693 .. seconds .. " seconds.")
694 local success, log = core.rollback_revert_actions_by(
695 target_name, seconds)
698 response = "(log is too long to show)\n"
700 for _, line in pairs(log) do
701 response = response .. line .. "\n"
704 response = response .. "Reverting actions "
705 .. (success and "succeeded." or "FAILED.")
706 return success, response
710 core.register_chatcommand("status", {
711 description = "Print server status",
712 func = function(name, param)
713 return true, core.get_server_status()
717 core.register_chatcommand("time", {
718 params = "<0..23>:<0..59> | <0..24000>",
719 description = "Set time of day",
721 func = function(name, param)
723 local current_time = math.floor(core.get_timeofday() * 1440)
724 local minutes = current_time % 60
725 local hour = (current_time - minutes) / 60
726 return true, ("Current time is %d:%02d"):format(hour, minutes)
728 local player_privs = core.get_player_privs(name)
729 if not player_privs.settime then
730 return false, "You don't have permission to run this command " ..
731 "(missing privilege: settime)."
733 local hour, minute = param:match("^(%d+):(%d+)$")
735 local new_time = tonumber(param)
737 return false, "Invalid time."
739 -- Backward compatibility.
740 core.set_timeofday((new_time % 24000) / 24000)
741 core.log("action", name .. " sets time to " .. new_time)
742 return true, "Time of day changed."
744 hour = tonumber(hour)
745 minute = tonumber(minute)
746 if hour < 0 or hour > 23 then
747 return false, "Invalid hour (must be between 0 and 23 inclusive)."
748 elseif minute < 0 or minute > 59 then
749 return false, "Invalid minute (must be between 0 and 59 inclusive)."
751 core.set_timeofday((hour * 60 + minute) / 1440)
752 core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute))
753 return true, "Time of day changed."
757 core.register_chatcommand("days", {
758 description = "Display day count",
759 func = function(name, param)
760 return true, "Current day is " .. core.get_day_count()
764 core.register_chatcommand("shutdown", {
765 description = "Shutdown server",
766 params = "[delay_in_seconds(0..inf) or -1 for cancel] [reconnect] [message]",
767 privs = {server=true},
768 func = function(name, param)
769 local delay, reconnect, message = param:match("([^ ][-]?[0-9]+)([^ ]+)(.*)")
770 message = message or ""
773 delay = tonumber(param) or 0
776 core.log("action", name .. " shuts down server")
777 core.chat_send_all("*** Server shutting down (operator request).")
779 core.request_shutdown(message:trim(), core.is_yes(reconnect), delay)
783 core.register_chatcommand("ban", {
785 description = "Ban IP of player",
787 func = function(name, param)
789 return true, "Ban list: " .. core.get_ban_list()
791 if not core.get_player_by_name(param) then
792 return false, "No such player."
794 if not core.ban_player(param) then
795 return false, "Failed to ban player."
797 local desc = core.get_ban_description(param)
798 core.log("action", name .. " bans " .. desc .. ".")
799 return true, "Banned " .. desc .. "."
803 core.register_chatcommand("unban", {
804 params = "<name/ip>",
805 description = "Remove IP ban",
807 func = function(name, param)
808 if not core.unban_player_or_ip(param) then
809 return false, "Failed to unban player/IP."
811 core.log("action", name .. " unbans " .. param)
812 return true, "Unbanned " .. param
816 core.register_chatcommand("kick", {
817 params = "<name> [reason]",
818 description = "Kick a player",
820 func = function(name, param)
821 local tokick, reason = param:match("([^ ]+) (.+)")
822 tokick = tokick or param
823 if not core.kick_player(tokick, reason) then
824 return false, "Failed to kick player " .. tokick
826 local log_reason = ""
828 log_reason = " with reason \"" .. reason .. "\""
830 core.log("action", name .. " kicks " .. tokick .. log_reason)
831 return true, "Kicked " .. tokick
835 core.register_chatcommand("clearobjects", {
836 params = "[full|quick]",
837 description = "Clear all objects in world",
838 privs = {server=true},
839 func = function(name, param)
841 if param == "" or param == "full" then
842 options.mode = "full"
843 elseif param == "quick" then
844 options.mode = "quick"
846 return false, "Invalid usage, see /help clearobjects."
849 core.log("action", name .. " clears all objects ("
850 .. options.mode .. " mode).")
851 core.chat_send_all("Clearing all objects. This may take long."
852 .. " You may experience a timeout. (by "
854 core.clear_objects(options)
855 core.log("action", "Object clearing done.")
856 core.chat_send_all("*** Cleared all objects.")
860 core.register_chatcommand("msg", {
861 params = "<name> <message>",
862 description = "Send a private message",
863 privs = {shout=true},
864 func = function(name, param)
865 local sendto, message = param:match("^(%S+)%s(.+)$")
867 return false, "Invalid usage, see /help msg."
869 if not core.get_player_by_name(sendto) then
870 return false, "The player " .. sendto
873 core.log("action", "PM from " .. name .. " to " .. sendto
875 core.chat_send_player(sendto, "PM from " .. name .. ": "
877 return true, "Message sent."
881 core.register_chatcommand("last-login", {
883 description = "Get the last login time of a player",
884 func = function(name, param)
888 local pauth = core.get_auth_handler().get_auth(param)
889 if pauth and pauth.last_login then
890 -- Time in UTC, ISO 8601 format
891 return true, "Last login time was " ..
892 os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login)
894 return false, "Last login time is unknown"