From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 24 Dec 2013 15:21:59 +0000 (+0100)
Subject: util: don't accept an empty peer label as valid
X-Git-Tag: v209~667
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=ae98841e63a2624700db84ba44217f768b090d99;p=elogind.git

util: don't accept an empty peer label as valid
---

diff --git a/src/shared/util.c b/src/shared/util.c
index 6b6722c27..f491708f4 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -6172,6 +6172,11 @@ int getpeersec(int fd, char **ret) {
                 }
         }
 
+        if (isempty(s)) {
+                free(s);
+                return -ENOTSUP;
+        }
+
         *ret = s;
         return 0;
 }