From 2e548a8a045d7a37afa453a28b0063b223c92ec9 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sun, 13 Dec 2015 10:58:05 -0600
Subject: [PATCH] extb_combi: try limiting the number of allowed nodes per
 depth to 3

---
 extensions/extb_combi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/extensions/extb_combi.c b/extensions/extb_combi.c
index c121e3c7..9c670a00 100644
--- a/extensions/extb_combi.c
+++ b/extensions/extb_combi.c
@@ -88,6 +88,7 @@ static int eb_combi(const char *data, struct Client *client_p,
 {
 	const char *p, *banend;
 	int have_result = FALSE;
+	int allowed_nodes = 3;
 	size_t datalen;
 
 	if (recursion_depth >= 5) {
@@ -139,7 +140,7 @@ static int eb_combi(const char *data, struct Client *client_p,
 
 	recursion_depth++;
 
-	while (TRUE) {
+	while (--allowed_nodes) {
 		int invert = FALSE;
 		char *child_data, child_data_buf[BANLEN];
 		ExtbanFunc f;