From 3700a074dc1c80ca185a35657843f9b278130223 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Bollo?= <jose.bollo@open.eurogiciel.org>
Date: Tue, 17 Dec 2013 13:25:47 +0100
Subject: [PATCH] libsmack: fix a bug in validation of labels
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The function `get_label` didn't handle the characters below
' ' and above '~' correctly.

Signed-off-by: José Bollo <jose.bollo@open.eurogiciel.org>
---
 libsmack/libsmack.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libsmack/libsmack.c b/libsmack/libsmack.c
index a8672b6..913f04c 100644
--- a/libsmack/libsmack.c
+++ b/libsmack/libsmack.c
@@ -737,8 +737,9 @@ static inline ssize_t get_label(char *dest, const char *src)
 		return -1;
 
 	for (i = 0; i < (SMACK_LABEL_LEN + 1) && src[i]; i++) {
+		if (src[i] <= ' ' || src[i] > '~')
+			return -1;
 		switch (src[i]) {
-		case ' ':
 		case '/':
 		case '"':
 		case '\\':
-- 
2.7.4