From: Noel Kuntze <noel.kuntze@thermi.consulting>
Date: Sat, 17 Apr 2021 03:02:01 +0000 (+0200)
Subject: forecast: Restrict strncpy() call
X-Git-Tag: 5.9.3dr2~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9a55abce483f2dd07e5d5f5dc73be352745784f;p=thirdparty%2Fstrongswan.git

forecast: Restrict strncpy() call

Closes strongswan/strongswan#331.
---

diff --git a/src/libcharon/plugins/forecast/forecast_forwarder.c b/src/libcharon/plugins/forecast/forecast_forwarder.c
index 42b57b10bc..4bb6ef3376 100644
--- a/src/libcharon/plugins/forecast/forecast_forwarder.c
+++ b/src/libcharon/plugins/forecast/forecast_forwarder.c
@@ -361,7 +361,8 @@ static int get_ifindex(private_kernel_listener_t *this, char *ifname)
 {
 	struct ifreq ifr = {};
 
-	strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	strncpy(ifr.ifr_name, ifname, IFNAMSIZ-1);
+
 	if (ioctl(this->raw, SIOCGIFINDEX, &ifr) == 0)
 	{
 		return ifr.ifr_ifindex;