Merged bot-attack-debug into master

gamemodes/irresistible/anticheat/_anticheat.pwn

@@ -158,6 +158,7 @@ stock AC_SetPlayerSpawned( playerid, bool: spawned ) {
 
 /* ** Modules (remove to disable) ** */
 #include "irresistible\anticheat\money.pwn"
+#include "irresistible\anticheat\bot_attack.pwn"
 #include "irresistible\anticheat\hitpoints.pwn"
 #include "irresistible\anticheat\weapon.pwn"
 #include "irresistible\anticheat\carmod_checker.pwn"

gamemodes/irresistible/anticheat/bot_attack.pwn

@@ -0,0 +1,57 @@
+/*
+ * Irresistible Gaming (c) 2018
+ * Developed by Lorenc Pekaj
+ * Module: anticheat\bot_attack.pwn
+ * Purpose: mitigates bot attacks with random IP addresses
+ */
+
+/* ** Includes ** */
+#include 							< YSI\y_hooks >
+
+/* ** Constants ** */
+static const BOT_ATTACK_BLOCK_TIME = 120000; // 2 minutes
+
+/* ** Variables ** */
+static stock botattack_ServerInitTS = 0;
+static stock botattack_LastConnection = 0;
+static stock botattack_ConnectionSpamCount = 0;
+
+/* ** Hooks ** */
+hook OnScriptInit( )
+{
+	botattack_ServerInitTS = gettime( );
+	return 1;
+}
+
+hook OnIncomingConnection( playerid, ip_address[ ], port )
+{
+	// block id if invalid player ID ... otherwise our bots go
+	if ( ! ( 0 <= playerid < MAX_PLAYERS ) ) {
+		BlockIpAddress( ip_address, BOT_ATTACK_BLOCK_TIME );
+	}
+
+	new
+		current_time = gettime( );
+
+	// script will only work if the server is online for more than 5 minutes
+	if ( current_time - botattack_ServerInitTS >= 300 )
+	{
+		// if the last connection was within 2 seconds
+		if ( current_time - botattack_LastConnection <= 2 )
+		{
+			// and we had more than 5 connections in this interval
+			if ( ++ botattack_ConnectionSpamCount >= 5 )
+			{
+				BlockIpAddress( ip_address, BOT_ATTACK_BLOCK_TIME );
+				return 1;
+			}
+		}
+		else
+		{
+			botattack_ConnectionSpamCount = 0;
+		}
+
+		botattack_LastConnection = current_time;
+	}
+	return 1;
+}

gamemodes/irresistible/security.pwn

@@ -119,8 +119,9 @@ hook OnPlayerDisconnect( playerid, reason )
 
 #if defined DEBUG_MODE
 	// aims to clear the banned from the server bug
-	public OnIncomingConnection( playerid, ip_address[ ], port ) {
+	hook OnIncomingConnection( playerid, ip_address[ ], port ) {
 		SendRconCommand( "reloadbans" );
+		return 1;
 	}
 #endif