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-rw-r--r--builtin/game/privileges.lua5
-rw-r--r--builtin/game/register.lua1
-rw-r--r--doc/lua_api.txt3
-rw-r--r--src/network/serverpackethandler.cpp9
-rw-r--r--src/script/cpp_api/s_player.cpp15
-rw-r--r--src/script/cpp_api/s_player.h1
6 files changed, 28 insertions, 6 deletions
diff --git a/builtin/game/privileges.lua b/builtin/game/privileges.lua
index fb53423eb..e9b2df54c 100644
--- a/builtin/game/privileges.lua
+++ b/builtin/game/privileges.lua
@@ -86,3 +86,8 @@ core.register_privilege("debug", {
description = "Allows enabling various debug options that may affect gameplay",
give_to_singleplayer = false,
})
+
+core.register_can_bypass_userlimit(function(name, ip)
+ local privs = core.get_player_privs(name)
+ return privs["server"] or privs["ban"] or privs["privs"] or privs["password"]
+end)
diff --git a/builtin/game/register.lua b/builtin/game/register.lua
index 1f355c7e5..e0073fc03 100644
--- a/builtin/game/register.lua
+++ b/builtin/game/register.lua
@@ -581,6 +581,7 @@ core.registered_on_item_eats, core.register_on_item_eat = make_registration()
core.registered_on_punchplayers, core.register_on_punchplayer = make_registration()
core.registered_on_priv_grant, core.register_on_priv_grant = make_registration()
core.registered_on_priv_revoke, core.register_on_priv_revoke = make_registration()
+core.registered_can_bypass_userlimit, core.register_can_bypass_userlimit = make_registration()
--
-- Compatibility for on_mapgen_init()
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index a6d02ebb5..ec5a8ff32 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -2470,6 +2470,9 @@ Call these functions only at load time!
* Called when `revoker` revokes the priv `priv` from `name`.
* Note that the callback will be called twice if it's done by a player, once with revoker being the player name,
and again with revoker being nil.
+* `minetest.register_can_bypass_userlimit(function(name, ip))`
+ * Called when `name` user connects with `ip`.
+ * Return `true` to by pass the player limit
### Other registration functions
* `minetest.register_chatcommand(cmd, chatcommand definition)`
diff --git a/src/network/serverpackethandler.cpp b/src/network/serverpackethandler.cpp
index 62da136ad..ecf4306c8 100644
--- a/src/network/serverpackethandler.cpp
+++ b/src/network/serverpackethandler.cpp
@@ -209,13 +209,10 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
<< addr_s << " (peer_id=" << pkt->getPeerId() << ")" << std::endl;
// Enforce user limit.
- // Don't enforce for users that have some admin right
+ // Don't enforce for users that have some admin right or mod permits it.
if (m_clients.isUserLimitReached() &&
- !checkPriv(playername, "server") &&
- !checkPriv(playername, "ban") &&
- !checkPriv(playername, "privs") &&
- !checkPriv(playername, "password") &&
- playername != g_settings->get("name")) {
+ playername != g_settings->get("name") &&
+ !m_script->can_bypass_userlimit(playername, addr_s)) {
actionstream << "Server: " << playername << " tried to join from "
<< addr_s << ", but there" << " are already max_users="
<< g_settings->getU16("max_users") << " players." << std::endl;
diff --git a/src/script/cpp_api/s_player.cpp b/src/script/cpp_api/s_player.cpp
index b7f2f10f9..578c26184 100644
--- a/src/script/cpp_api/s_player.cpp
+++ b/src/script/cpp_api/s_player.cpp
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "cpp_api/s_internal.h"
#include "common/c_converter.h"
#include "common/c_content.h"
+#include "debug.h"
#include "util/string.h"
void ScriptApiPlayer::on_newplayer(ServerActiveObject *player)
@@ -123,6 +124,20 @@ bool ScriptApiPlayer::on_prejoinplayer(
return false;
}
+bool ScriptApiPlayer::can_bypass_userlimit(const std::string &name, const std::string &ip)
+{
+ SCRIPTAPI_PRECHECKHEADER
+
+ // Get core.registered_on_prejoinplayers
+ lua_getglobal(L, "core");
+ lua_getfield(L, -1, "registered_can_bypass_userlimit");
+ lua_pushstring(L, name.c_str());
+ lua_pushstring(L, ip.c_str());
+ runCallbacks(2, RUN_CALLBACKS_MODE_OR);
+ FATAL_ERROR_IF(!lua_isboolean(L, -1), "on_user_limitcheck must return a boolean");
+ return lua_toboolean(L, -1);
+}
+
void ScriptApiPlayer::on_joinplayer(ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
diff --git a/src/script/cpp_api/s_player.h b/src/script/cpp_api/s_player.h
index faf394de5..6b752eb69 100644
--- a/src/script/cpp_api/s_player.h
+++ b/src/script/cpp_api/s_player.h
@@ -35,6 +35,7 @@ public:
bool on_respawnplayer(ServerActiveObject *player);
bool on_prejoinplayer(const std::string &name, const std::string &ip,
std::string *reason);
+ bool can_bypass_userlimit(const std::string &name, const std::string &ip);
void on_joinplayer(ServerActiveObject *player);
void on_leaveplayer(ServerActiveObject *player, bool timeout);
void on_cheat(ServerActiveObject *player, const std::string &cheat_type);