-tolerate all-zero addresses

1 files changed, 6 insertions, 0 deletions

diff --git a/src/transport/gnunet-helper-transport-wlan.c b/src/transport/gnunet-helper-transport-wlan.c
index f50cc2385..3ad4d64c4 100644
--- a/src/transport/gnunet-helper-transport-wlan.c
+++ b/src/transport/gnunet-helper-transport-wlan.c
@@ -1798,6 +1798,12 @@ static int
 mac_test (const struct GNUNET_TRANSPORT_WLAN_Ieee80211Frame *taIeeeHeader,
           const struct HardwareInfos *dev)
 {
+  static struct GNUNET_TRANSPORT_WLAN_MacAddress all_zeros;
+
+  if ( (0 == memcmp (&taIeeeHeader->addr3, &all_zeros, MAC_ADDR_SIZE)) ||
+       (0 == memcmp (&taIeeeHeader->addr1, &all_zeros, MAC_ADDR_SIZE)) )
+    return 0; /* some drivers set no Macs, then assume it is all for us! */
+
   if (0 != memcmp (&taIeeeHeader->addr3, &mac_bssid_gnunet, MAC_ADDR_SIZE))
     return 1; /* not a GNUnet ad-hoc package */
   if ( (0 == memcmp (&taIeeeHeader->addr1, &dev->pl_mac, MAC_ADDR_SIZE)) ||