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From 99dfbbc328f75df60d52f8a578545017dd98c475 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 e68627c2..947dbb89 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;
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