print = minetest.debug
--
---
+-- Define some random basic things
--
function basic_dump2(o)
end
end
+function string:split(sep)
+ local sep, fields = sep or ",", {}
+ local pattern = string.format("([^%s]+)", sep)
+ self:gsub(pattern, function(c) fields[#fields+1] = c end)
+ return fields
+end
+
+function string:trim()
+ return (self:gsub("^%s*(.-)%s*$", "%1"))
+end
+
+assert(string.trim("\n \t\tfoo bar\t ") == "foo bar")
+
+function minetest.pos_to_string(pos)
+ return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
+end
+
--
-- Item definition helpers
--
.. "{" .. img3:gsub("%^", "&")
end
-function minetest.pos_to_string(pos)
- return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
-end
-
function minetest.get_pointed_thing_position(pointed_thing, above)
if pointed_thing.type == "node" then
if above then
end)
function minetest.after(time, func, param)
- table.insert(minetest.timers_to_add, {time=time, func=func, param=param})
+ table.insert(minetest.timers_to_add, {time=time, func=func, param=param})
end
function minetest.check_player_privs(name, privs)
return list
end
+function minetest.hash_node_position(pos)
+ return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
+end
+
+--
+-- Privileges
+--
+
+minetest.registered_privileges = {}
+function minetest.register_privilege(name, description)
+ minetest.registered_privileges[name] = description
+end
+
+minetest.register_privilege("interact", "Can interact with things and modify the world")
+minetest.register_privilege("teleport", "Can use /teleport command")
+minetest.register_privilege("bring", "Can teleport other players")
+minetest.register_privilege("settime", "Can use /time")
+minetest.register_privilege("privs", "Can modify privileges")
+minetest.register_privilege("server", "Can do server maintenance stuff")
+minetest.register_privilege("shout", "Can speak in chat")
+minetest.register_privilege("ban", "Can ban and unban players")
+minetest.register_privilege("give", "Can use /give and /giveme")
+minetest.register_privilege("password", "Can use /setpassword and /clearpassword")
+
--
-- Chat commands
--
-- Register the help command
minetest.register_chatcommand("help", {
privs = {},
- params = "(nothing)/all/<cmd>",
- description = "Get help for commands",
+ params = "(nothing)/all/privs/<cmd>",
+ description = "Get help for commands or list privileges",
func = function(name, param)
local format_help_line = function(cmd, def)
local msg = "/"..cmd
if def.description and def.description ~= "" then msg = msg .. ": " .. def.description end
return msg
end
- if not param or param == "" then
+ if param == "" then
local msg = ""
cmds = {}
for cmd, def in pairs(minetest.chatcommands) do
minetest.chat_send_player(name, format_help_line(cmd, def))
end
end
+ elseif param == "privs" then
+ minetest.chat_send_player(name, "Available privileges:")
+ for priv, desc in pairs(minetest.registered_privileges) do
+ minetest.chat_send_player(name, priv..": "..desc)
+ end
else
local cmd = param
def = minetest.chatcommands[cmd]
-- 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}})
+
+-- Register some other commands
+minetest.register_chatcommand("privs", {
+ params = "<name>",
+ description = "print out privileges of player",
+ func = function(name, param)
+ if param == "" then
+ param = name
+ else
+ if not minetest.check_player_privs(name, {privs=true}) then
+ minetest.chat_send_player(name, "Privileges of "..param.." are hidden from you.")
+ end
+ end
+ privs = {}
+ for priv, _ in pairs(minetest.get_player_privs(param)) do
+ table.insert(privs, priv)
+ end
+ minetest.chat_send_player(name, "Privileges of "..param..": "..table.concat(privs, " "))
+ end,
+})
+minetest.register_chatcommand("grant", {
+ params = "<name> <privilege>",
+ description = "Give privilege to player",
+ privs = {privs=true},
+ func = function(name, param)
+ local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
+ if not grantname or not grantprivstr then
+ minetest.chat_send_player(name, "Invalid parameters (see /help grant)")
+ return
+ end
+ local grantprivs = minetest.string_to_privs(grantprivstr)
+ local privs = minetest.get_player_privs(grantname)
+ for priv, _ in pairs(grantprivs) do
+ privs[priv] = true
+ end
+ minetest.set_player_privs(grantname, privs)
+ end,
+})
+minetest.register_chatcommand("revoke", {
+ params = "<name> <privilege>",
+ description = "Remove privilege from player",
+ privs = {privs=true},
+ func = function(name, param)
+ local revokename, revokeprivstr = string.match(param, "([^ ]+) (.+)")
+ if not revokename or not revokeprivstr then
+ minetest.chat_send_player(name, "Invalid parameters (see /help revoke)")
+ return
+ end
+ local revokeprivs = minetest.string_to_privs(revokeprivstr)
+ local privs = minetest.get_player_privs(revokename)
+ for priv, _ in pairs(revokeprivs) do
+ table.remove(privs, priv)
+ end
+ minetest.set_player_privs(revokename, privs)
+ end,
+})
+minetest.register_chatcommand("setpassword", {
+ params = "<name> <password>",
+ description = "set given password",
+ privs = {password=true},
+ func = function(name, param)
+ if param == "" then
+ minetest.chat_send_player(name, "Password field required")
+ return
+ end
+ minetest.set_player_password(name, param)
+ minetest.chat_send_player(name, "Password set")
+ end,
+})
+minetest.register_chatcommand("clearpassword", {
+ params = "<name>",
+ description = "set empty password",
+ privs = {password=true},
+ func = function(name, param)
+ minetest.set_player_password(name, '')
+ minetest.chat_send_player(name, "Password cleared")
+ end,
+})
+
+minetest.register_chatcommand("teleport", {
+ params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
+ description = "teleport to given position",
+ 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 = minetest.env:get_node(p)
+ if not minetest.registered_nodes[n.name].walkable then
+ return p, true
+ end
+ end
+ return pos, false
+ end
+
+ local teleportee = nil
+ local p = {}
+ p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
+ teleportee = minetest.env:get_player_by_name(name)
+ if teleportee and p.x and p.y and p.z then
+ minetest.chat_send_player(name, "Teleporting to ("..p.x..", "..p.y..", "..p.z..")")
+ teleportee:setpos(p)
+ return
+ end
+
+ local teleportee = nil
+ local p = nil
+ local target_name = nil
+ target_name = string.match(param, "^([^ ]+)$")
+ teleportee = minetest.env:get_player_by_name(name)
+ if target_name then
+ local target = minetest.env:get_player_by_name(target_name)
+ if target then
+ p = target:getpos()
+ end
+ end
+ if teleportee and p then
+ p = find_free_position_near(p)
+ minetest.chat_send_player(name, "Teleporting to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
+ teleportee:setpos(p)
+ return
+ end
+
+ if minetest.check_player_privs(name, {bring=true}) then
+ local teleportee = nil
+ local p = {}
+ local teleportee_name = nil
+ teleportee_name, p.x, p.y, p.z = string.match(param, "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
+ if teleportee_name then
+ teleportee = minetest.env:get_player_by_name(teleportee_name)
+ end
+ if teleportee and p.x and p.y and p.z then
+ minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to ("..p.x..", "..p.y..", "..p.z..")")
+ teleportee:setpos(p)
+ return
+ 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 = minetest.env:get_player_by_name(teleportee_name)
+ end
+ if target_name then
+ local target = minetest.env:get_player_by_name(target_name)
+ if target then
+ p = target:getpos()
+ end
+ end
+ if teleportee and p then
+ p = find_free_position_near(p)
+ minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
+ teleportee:setpos(p)
+ return
+ end
+ end
+
+ minetest.chat_send_player(name, "Invalid parameters (\""..param.."\") or player not found (see /help teleport)")
+ return
+ end,
+})
--
-- Builtin chat handler
minetest.register_on_chat_message(function(name, message)
local cmd, param = string.match(message, "/([^ ]+) *(.*)")
+ if not param then
+ param = ""
+ end
local cmd_def = minetest.chatcommands[cmd]
if cmd_def then
if not cmd_def.func then
return false
end)
+--
+-- Authentication handler
+--
+
+function minetest.string_to_privs(str)
+ assert(type(str) == "string")
+ privs = {}
+ for _, priv in pairs(string.split(str, ',')) do
+ privs[priv:trim()] = true
+ end
+ return privs
+end
+
+function minetest.privs_to_string(privs)
+ assert(type(privs) == "table")
+ list = {}
+ for priv, bool in pairs(privs) do
+ if bool then
+ table.insert(list, priv)
+ end
+ end
+ return table.concat(list, ',')
+end
+
+assert(minetest.string_to_privs("a,b").b == true)
+assert(minetest.privs_to_string({a=true,b=true}) == "a,b")
+
+minetest.auth_file_path = minetest.get_worldpath().."/auth.txt"
+minetest.auth_table = {}
+
+local function read_auth_file()
+ local newtable = {}
+ local file, errmsg = io.open(minetest.auth_file_path, 'rb')
+ if not file then
+ minetest.log("info", minetest.auth_file_path.." could not be opened for reading ("..errmsg.."); assuming new world")
+ return
+ end
+ for line in file:lines() do
+ if line ~= "" then
+ local name, password, privilegestring = string.match(line, "([^:]*):([^:]*):([^:]*)")
+ if not name or not password or not privilegestring then
+ error("Invalid line in auth.txt: "..dump(line))
+ end
+ local privileges = minetest.string_to_privs(privilegestring)
+ newtable[name] = {password=password, privileges=privileges}
+ end
+ end
+ io.close(file)
+ minetest.auth_table = newtable
+end
+
+local function save_auth_file()
+ local newtable = {}
+ -- Check table for validness before attempting to save
+ for name, stuff in pairs(minetest.auth_table) do
+ assert(type(name) == "string")
+ assert(name ~= "")
+ assert(type(stuff) == "table")
+ assert(type(stuff.password) == "string")
+ assert(type(stuff.privileges) == "table")
+ end
+ local file, errmsg = io.open(minetest.auth_file_path, 'w+b')
+ if not file then
+ error(minetest.auth_file_path.." could not be opened for writing: "..errmsg)
+ end
+ for name, stuff in pairs(minetest.auth_table) do
+ local privstring = minetest.privs_to_string(stuff.privileges)
+ file:write(name..":"..stuff.password..":"..privstring..'\n')
+ end
+ io.close(file)
+end
+
+read_auth_file()
+
+minetest.builtin_auth_handler = {
+ get_auth = function(name)
+ assert(type(name) == "string")
+ if not minetest.auth_table[name] then
+ minetest.builtin_auth_handler.create_auth(name, minetest.get_password_hash(name, minetest.setting_get("default_password")))
+ end
+ if minetest.is_singleplayer() then
+ return {
+ password = "",
+ privileges = minetest.registered_privileges
+ }
+ else
+ if minetest.auth_table[name] and name == minetest.setting_get("name") then
+ return {
+ password = minetest.auth_table[name].password,
+ privileges = minetest.registered_privileges
+ }
+ else
+ return minetest.auth_table[name]
+ end
+ end
+ end,
+ create_auth = function(name, password)
+ assert(type(name) == "string")
+ assert(type(password) == "string")
+ minetest.log('info', "Built-in authentication handler adding player '"..name.."'")
+ minetest.auth_table[name] = {
+ password = password,
+ privileges = minetest.string_to_privs(minetest.setting_get("default_privs")),
+ }
+ save_auth_file()
+ end,
+ set_password = function(name, password)
+ assert(type(name) == "string")
+ assert(type(password) == "string")
+ if not minetest.auth_table[name] then
+ minetest.builtin_auth_handler.create_auth(name, password)
+ else
+ minetest.log('info', "Built-in authentication handler setting password of player '"..name.."'")
+ minetest.auth_table[name].password = password
+ save_auth_file()
+ end
+ end,
+ set_privileges = function(name, privileges)
+ assert(type(name) == "string")
+ assert(type(privileges) == "table")
+ if not minetest.auth_table[name] then
+ minetest.builtin_auth_handler.create_auth(name, minetest.get_password_hash(name, minetest.setting_get("default_password")))
+ end
+ minetest.auth_table[name].privileges = privileges
+ save_auth_file()
+ end
+}
+
+function minetest.register_authentication_handler(handler)
+ if minetest.registered_auth_handler then
+ error("Add-on authentication handler already registered by "..minetest.registered_auth_handler_modname)
+ end
+ minetest.registered_auth_handler = handler
+ minetest.registered_auth_handler_modname = minetest.get_current_modname()
+end
+
+function minetest.get_auth_handler()
+ if minetest.registered_auth_handler then
+ return minetest.registered_auth_handler
+ end
+ return minetest.builtin_auth_handler
+end
+
+function minetest.set_player_password(name, password)
+ minetest.get_auth_handler().set_password(name, password)
+end
+
+function minetest.set_player_privs(name, privs)
+ minetest.get_auth_handler().set_privileges(name, privs)
+end
+
--
-- Set random seed
--
projects / minetest.git / blobdiff