From c8391790c96d4c8a2c10f9ab1460fda83b509fc2 Mon Sep 17 00:00:00 2001

From: Willem Toorop <willem@nlnetlabs.nl>

Date: Thu, 27 Apr 2017 00:14:58 +0200

Subject: [PATCH] Check parse limit before t increment

Thanks Stephan Zeisberg

---

 parse.c | 4 ++++

 1 file changed, 4 insertions(+)

diff --git a/parse.c b/parse.c

index e68627c..947dbb8 100644

--- a/parse.c

+++ b/parse.c

@@ -118,6 +118,10 @@ ldns_fget_token_l(FILE *f, char *token, const char *delim, size_t limit, int *li

 			if (line_nr) {

 				*line_nr = *line_nr + 1;

 			}

+			if (limit > 0 && (i >= limit || (size_t)(t-token) >= limit)) {

+				*t = '\0';

+				return -1;

+			}

 			*t++ = ' ';

 			prev_c = c;

 			continue;

-- 

2.9.5