From 84916944b481d5c478202f6c4239e4aed0731406 Mon Sep 17 00:00:00 2001
From: Steve Grubb <sgrubb@redhat.com>
Date: Tue, 2 Jun 2020 17:27:58 -0400
Subject: [PATCH] Return only valid lines

If fapolicyd_get_line does not find a 0x0A, then we have an unterminated
string because its too long. Only return terminated strings, otherwise
pass NULL back.
---
 src/library/string-util.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/library/string-util.c b/src/library/string-util.c
index f991f5f..ffdc645 100644
--- a/src/library/string-util.c
+++ b/src/library/string-util.c
@@ -53,15 +53,16 @@ char * fapolicyd_strtrim(char * s)
 	return s;
 }
 
-char * fapolicyd_get_line(FILE *f, char *buf)
+char *fapolicyd_get_line(FILE *f, char *buf)
 {
 	if (fgets_unlocked(buf, BUFFER_MAX-1, f)) {
 
 		/* remove newline */
 		char *ptr = strchr(buf, 0x0a);
-		if (ptr)
+		if (ptr) {
 			*ptr = 0;
-		return buf;
+			return buf;
+		}
 	}
 
 	return NULL;