From 4596cef734c920242751aba3840c7beac077e0f9 Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Mon, 17 Oct 2022 10:03:06 +0100
Subject: [PATCH] Ban file should be appended.

---
 plugins/examples/payload-ban/mosquitto_payload_ban.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/examples/payload-ban/mosquitto_payload_ban.c b/plugins/examples/payload-ban/mosquitto_payload_ban.c
index 3af89c57..16a2bd0f 100644
--- a/plugins/examples/payload-ban/mosquitto_payload_ban.c
+++ b/plugins/examples/payload-ban/mosquitto_payload_ban.c
@@ -120,7 +120,7 @@ static int acl_check_callback(int event, void *event_data, void *userdata)
 			HASH_ADD(hh_by_id, banlist_by_id, clientid, strlen(clientid), new_entry);
 			HASH_ADD(hh_by_address, banlist_by_address, ip_address, strlen(ip_address), new_entry);
 			mosquitto_kick_client_by_clientid(clientid, false);
-			fptr = fopen("/tmp/payload-banlist", "wt");
+			fptr = fopen("/tmp/payload-banlist", "at");
 			if(fptr){
 				fprintf(fptr, "%s || %s\n", ip_address, clientid);
 				fclose(fptr);