From: Steven Barth <steven@midlink.org>
Date: Tue, 15 Oct 2013 15:18:20 +0000 (+0200)
Subject: Fix illegal memory access
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=491200f3ffae5c9599124e0b2eccbdf566de4cf4;p=oweals%2Fodhcpd.git

Fix illegal memory access
---

diff --git a/src/config.c b/src/config.c
index 7700c7e..5d29173 100644
--- a/src/config.c
+++ b/src/config.c
@@ -287,7 +287,9 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
 	if (!iface->ifname[0] && !ifname)
 		return -1;
 
-	strncpy(iface->ifname, ifname, sizeof(iface->ifname) - 1);
+	if (ifname)
+		strncpy(iface->ifname, ifname, sizeof(iface->ifname) - 1);
+
 	iface->inuse = true;
 
 	if (overwrite)