From 896a8d2b9f6f4a8b1ca70aac0aa25fa6fd3985e6 Mon Sep 17 00:00:00 2001
From: Jared Adams <jaxad0127@gmail.com>
Date: Thu, 2 Apr 2009 22:04:36 -0600
Subject: Block whisper spam

---
 src/map/tmw.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/map/tmw.c

(limited to 'src/map/tmw.c')

diff --git a/src/map/tmw.c b/src/map/tmw.c
new file mode 100644
index 0000000..c6bfc40
--- /dev/null
+++ b/src/map/tmw.c
@@ -0,0 +1,86 @@
+//
+
+#include "tmw.h"
+
+#include "socket.h"
+#include "timer.h"
+#include "malloc.h"
+#include "version.h"
+#include "nullpo.h"
+
+#include "atcommand.h"
+#include "battle.h"
+#include "chat.h"
+#include "chrif.h"
+#include "clif.h"
+#include "guild.h"
+#include "intif.h"
+#include "itemdb.h"
+#include "magic.h"
+#include "map.h"
+#include "mob.h"
+#include "npc.h"
+#include "party.h"
+#include "pc.h"
+#include "script.h"
+#include "skill.h"
+#include "storage.h"
+#include "tmw.h"
+#include "trade.h"
+
+#include <string.h>
+
+int tmw_CheckChatSpam(struct map_session_data *sd, char* message) {
+	unsigned int tick,elapsed = 0;
+	nullpo_retr(1, sd);
+
+	if (pc_isGM(sd)) return 0;
+
+	tick = gettick();
+	elapsed = tick - sd->chat_lastmsg_time;
+	sd->chat_lastmsg_time = tick;
+
+	if (elapsed < battle_config.spam_time)
+		sd->chat_threshold++;
+
+	sd->chat_threshold -= (int)(elapsed / (battle_config.spam_time/2));
+
+	if (sd->chat_threshold < 0)
+		sd->chat_threshold = 0;
+
+	if (strncmp(sd->chat_lastmsg, message, battle_config.chat_maxline) == 0)
+		sd->chat_repeatmsg++;
+	else
+		sd->chat_repeatmsg--;
+
+	if (sd->chat_repeatmsg < 0)
+		sd->chat_repeatmsg = 0;
+
+	strncpy((char*)sd->chat_lastmsg, message, battle_config.chat_maxline);
+
+	if (sd->chat_threshold > battle_config.spam_threshold || sd->chat_repeatmsg > battle_config.spam_threshold) {
+		sprintf(message, "Spam detected from character '%s' (account: %d), threshold was exceeded.", sd->status.name, sd->status.account_id);
+		printf("%s\n", message);
+		intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message, strlen(message) + 1);
+
+		if (battle_config.spam_ban > 0)
+			sprintf(message, "This player has been banned for %d hours(s).", battle_config.spam_ban);
+		else
+			sprintf(message, "This player hasn't been banned (Ban option is disabled).");
+		printf("%s\n", message);
+		intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, message, strlen(message) + 1);
+
+		if (battle_config.spam_ban > 0)
+		{
+			chrif_char_ask_name(-1, sd->status.name, 2, 0, 0, 0, battle_config.spam_ban, 0, 0); // type: 2 - ban (year, month, day, hour, minute, second)
+			return 2; // forced to disconnect
+		}
+		else
+			return 1; // just ignore, dont ban.
+	}
+
+	if (strlen(message) >= battle_config.chat_maxline)
+		return 1; // ignore lines exceeding the max length in config.
+
+	return 0;
+}
\ No newline at end of file
-- 
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