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authorMichael Braun <michael-dev@fami-braun.de>2016-02-24 11:53:41 (GMT)
committerJouni Malinen <j@w1.fi>2016-02-28 17:23:17 (GMT)
commit170c545ab4a04087dd162689e3b7cb657b23997a (patch)
tree3e091207b38a9676f56bcdffe5ed6da10457d47d /src/ap/wpa_auth_glue.c
parent57b2c9140cda3843fbdaff419a486dc23553e067 (diff)
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FT: Check destination MAC address on RRB receive
As the Linux variant of l2_packet_init() does not use its own_addr argument and l2_packet_receive() does not filter on destination MAC address, this needs to be checked in the callback. If there are multiple BSSes listening for FT RRB packets, all their BSSIDs need to be local to the bridge interface. As l2_packet_init() is going to receive all of them going for any local address, those RRB messages started turning up on BSSes that were not destinated for and cluttering logs. Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Diffstat (limited to 'src/ap/wpa_auth_glue.c')
-rw-r--r--src/ap/wpa_auth_glue.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/ap/wpa_auth_glue.c b/src/ap/wpa_auth_glue.c
index e92415a..5fe0987 100644
--- a/src/ap/wpa_auth_glue.c
+++ b/src/ap/wpa_auth_glue.c
@@ -573,6 +573,9 @@ static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
ethhdr = (struct l2_ethhdr *) buf;
wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
+ if (!is_multicast_ether_addr(ethhdr->h_dest) &&
+ os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0)
+ return;
wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
len - sizeof(*ethhdr));
}