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-rw-r--r--builtin/game/chatcommands.lua10
-rw-r--r--minetest.conf.example1
-rw-r--r--src/map.cpp4
-rw-r--r--src/script/lua_api/l_rollback.cpp10
-rw-r--r--src/server.cpp13
5 files changed, 29 insertions, 9 deletions
diff --git a/builtin/game/chatcommands.lua b/builtin/game/chatcommands.lua
index 2d94817e8..91b685fdf 100644
--- a/builtin/game/chatcommands.lua
+++ b/builtin/game/chatcommands.lua
@@ -570,6 +570,9 @@ core.register_chatcommand("rollback_check", {
.. " seconds=86400=24h, limit=5)",
privs = {rollback=true},
func = function(name, param)
+ if not core.setting_getbool("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
@@ -583,6 +586,10 @@ core.register_chatcommand("rollback_check", {
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"
@@ -614,6 +621,9 @@ core.register_chatcommand("rollback", {
description = "revert actions of a player; default for <seconds> is 60",
privs = {rollback=true},
func = function(name, param)
+ if not core.setting_getbool("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
diff --git a/minetest.conf.example b/minetest.conf.example
index eb883fa8e..eefe3b7bc 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -337,6 +337,7 @@
# If true, disable cheat prevention in multiplayer
#disable_anticheat = false
# If true, actions are recorded for rollback
+# This option is only read when server starts
#enable_rollback_recording = false
# Handling for deprecated lua api calls:
# "legacy" = (try to) mimic old behaviour (default for release).
diff --git a/src/map.cpp b/src/map.cpp
index 0877d8c8e..a9ff22c32 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1857,11 +1857,11 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
// Find out whether there is a suspect for this action
std::string suspect;
- if(m_gamedef->rollback()){
+ if(m_gamedef->rollback()) {
suspect = m_gamedef->rollback()->getSuspect(p0, 83, 1);
}
- if(!suspect.empty()){
+ if(m_gamedef->rollback() && !suspect.empty()){
// Blame suspect
RollbackScopeActor rollback_scope(m_gamedef->rollback(), suspect, true);
// Get old node for rollback
diff --git a/src/script/lua_api/l_rollback.cpp b/src/script/lua_api/l_rollback.cpp
index f55a72d1b..5744e6813 100644
--- a/src/script/lua_api/l_rollback.cpp
+++ b/src/script/lua_api/l_rollback.cpp
@@ -44,6 +44,9 @@ int ModApiRollback::l_rollback_get_node_actions(lua_State *L)
int limit = luaL_checknumber(L, 4);
Server *server = getServer(L);
IRollbackManager *rollback = server->getRollbackManager();
+ if (rollback == NULL) {
+ return 0;
+ }
std::list<RollbackAction> actions = rollback->getNodeActors(pos, range, seconds, limit);
std::list<RollbackAction>::iterator iter = actions.begin();
@@ -80,6 +83,13 @@ int ModApiRollback::l_rollback_revert_actions_by(lua_State *L)
int seconds = luaL_checknumber(L, 2);
Server *server = getServer(L);
IRollbackManager *rollback = server->getRollbackManager();
+
+ // If rollback is disabled, tell it's not a success.
+ if (rollback == NULL) {
+ lua_pushboolean(L, false);
+ lua_newtable(L);
+ return 2;
+ }
std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
std::list<std::string> log;
bool success = server->rollbackRevertActions(actions, &log);
diff --git a/src/server.cpp b/src/server.cpp
index a118e15dd..a75e27456 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -243,9 +243,6 @@ Server::Server(
std::string ban_path = m_path_world + DIR_DELIM "ipban.txt";
m_banmanager = new BanManager(ban_path);
- // Create rollback manager
- m_rollback = new RollbackManager(m_path_world, this);
-
ModConfiguration modconf(m_path_world);
m_mods = modconf.getMods();
std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
@@ -353,6 +350,12 @@ Server::Server(
// Initialize mapgens
m_emerge->initMapgens();
+ m_enable_rollback_recording = g_settings->getBool("enable_rollback_recording");
+ if (m_enable_rollback_recording) {
+ // Create rollback manager
+ m_rollback = new RollbackManager(m_path_world, this);
+ }
+
// Give environment reference to scripting api
m_script->initializeEnvironment(m_env);
@@ -1068,10 +1071,6 @@ void Server::AsyncRunStep(bool initial_step)
counter = 0.0;
m_emerge->startThreads();
-
- // Update m_enable_rollback_recording here too
- m_enable_rollback_recording =
- g_settings->getBool("enable_rollback_recording");
}
}