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-rw-r--r--builtin/builtin.lua110
1 files changed, 110 insertions, 0 deletions
diff --git a/builtin/builtin.lua b/builtin/builtin.lua
index 2be7a4dcf..71cd4cf53 100644
--- a/builtin/builtin.lua
+++ b/builtin/builtin.lua
@@ -821,6 +821,116 @@ function minetest.after(time, func, param)
table.insert(minetest.timers_to_add, {time=time, func=func, param=param})
end
+function minetest.check_player_privs(name, privs)
+ local player_privs = minetest.get_player_privs(name)
+ local missing_privileges = {}
+ for priv, val in pairs(privs) do
+ if val then
+ if not player_privs[priv] then
+ table.insert(missing_privileges, priv)
+ end
+ end
+ end
+ if #missing_privileges > 0 then
+ return false, missing_privileges
+ end
+ return true, ""
+end
+
+--
+-- Chat commands
+--
+
+minetest.chatcommands = {}
+function minetest.register_chatcommand(cmd, def)
+ def = def or {}
+ def.params = def.params or ""
+ def.description = def.description or ""
+ def.privs = def.privs or {}
+ minetest.chatcommands[cmd] = def
+end
+
+-- Register the help command
+minetest.register_chatcommand("help", {
+ privs = {},
+ params = "(nothing)/all/<cmd>",
+ description = "Get help for commands",
+ func = function(name, param)
+ local format_help_line = function(cmd, def)
+ local msg = "/"..cmd
+ if def.params and def.params ~= "" then msg = msg .. " " .. def.params end
+ if def.description and def.description ~= "" then msg = msg .. ": " .. def.description end
+ return msg
+ end
+ if not param or param == "" then
+ local msg = ""
+ cmds = {}
+ for cmd, def in pairs(minetest.chatcommands) do
+ if minetest.check_player_privs(name, def.privs) then
+ table.insert(cmds, cmd)
+ end
+ end
+ minetest.chat_send_player(name, "Available commands: "..table.concat(cmds, " "))
+ minetest.chat_send_player(name, "Use '/help <cmd>' to get more information, or '/help all' to list everything.")
+ elseif param == "all" then
+ minetest.chat_send_player(name, "Available commands:")
+ for cmd, def in pairs(minetest.chatcommands) do
+ if minetest.check_player_privs(name, def.privs) then
+ minetest.chat_send_player(name, format_help_line(cmd, def))
+ end
+ end
+ else
+ local cmd = param
+ def = minetest.chatcommands[cmd]
+ if not def then
+ minetest.chat_send_player(name, "Command not available: "..cmd)
+ else
+ minetest.chat_send_player(name, format_help_line(cmd, def))
+ end
+ end
+ end,
+})
+
+-- Register C++ commands without functions
+minetest.register_chatcommand("me", {params = nil, description = "chat action (eg. /me orders a pizza)"})
+minetest.register_chatcommand("status", {description = "print server status line"})
+minetest.register_chatcommand("privs", {params = "<name>", description = "print out privileges of player"})
+minetest.register_chatcommand("shutdown", {params = "", description = "shutdown server", privs = {server=true}})
+minetest.register_chatcommand("setting", {params = "<name> = <value>", description = "set line in configuration file", privs = {server=true}})
+minetest.register_chatcommand("clearobjects", {params = "", description = "clear all objects in world", privs = {server=true}})
+minetest.register_chatcommand("time", {params = "<0...24000>", description = "set time of day", privs = {settime=true}})
+minetest.register_chatcommand("teleport", {params = "<X>,<Y>,<Z>", description = "teleport to given position", privs = {teleport=true}})
+minetest.register_chatcommand("grant", {params = "<name> <privilege>", description = "Give privilege to player", privs = {privs=true}})
+minetest.register_chatcommand("revoke", {params = "<name> <privilege>", description = "Remove privilege from player", privs = {privs=true}})
+minetest.register_chatcommand("ban", {params = "<name>", description = "ban IP of player", privs = {ban=true}})
+minetest.register_chatcommand("unban", {params = "<name/ip>", description = "remove IP ban", privs = {ban=true}})
+minetest.register_chatcommand("setpassword", {params = "<name> <password>", description = "set given password", privs = {password=true}})
+minetest.register_chatcommand("clearpassword", {params = "<name>", description = "set empty password", privs = {password=true}})
+
+--
+-- Builtin chat handler
+--
+
+minetest.register_on_chat_message(function(name, message)
+ local cmd, param = string.match(message, "/([^ ]+) *(.*)")
+ local cmd_def = minetest.chatcommands[cmd]
+ if cmd_def then
+ if not cmd_def.func then
+ -- This is a C++ command
+ return false
+ else
+ local has_privs, missing_privs = minetest.check_player_privs(name, cmd_def.privs)
+ if has_privs then
+ cmd_def.func(name, param)
+ else
+ minetest.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
+ end
+ return false
+end)
+
--
-- Set random seed
--