From: Roy Marples <roy@marples.name>
Date: Tue, 30 Mar 2010 19:46:03 +0000 (+0000)
Subject: Ensure SSID is terminated.
X-Git-Tag: v5.2.2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e968b46b095f4cfe65502d15df8adf5039d5d32;p=thirdparty%2Fdhcpcd.git

Ensure SSID is terminated.
---

diff --git a/if-linux-wireless.c b/if-linux-wireless.c
index f6f7366d..80d5b4b7 100644
--- a/if-linux-wireless.c
+++ b/if-linux-wireless.c
@@ -74,9 +74,10 @@ getifssid(const char *ifname, char *ssid)
 	iwr.u.essid.pointer = ssid;
 	iwr.u.essid.length = IF_SSIDSIZE - 1;
 
-	if (ioctl(s, SIOCGIWESSID, &iwr) == 0)
+	if (ioctl(s, SIOCGIWESSID, &iwr) == 0) {
 		retval = iwr.u.essid.length;
-	else
+		ssid[retval] = '\0';
+	} else
 		retval = -1;
 	close(s);
 	return retval;