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Commit edbf12ba authored by Marek Lindner's avatar Marek Lindner Committed by Antonio Quartulli
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batman-adv: ignore protocol packets if the interface did not enable this protocol 



Reported-by: default avatarSimon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: default avatarMarek Lindner <lindner_marek@yahoo.de>
Signed-off-by: default avatarAntonio Quartulli <ordex@autistici.org>
parent 7ae8b285

net/batman-adv/bat_iv_ogm.c

+7 −0
Original line number Diff line number Diff line
@@ -1186,6 +1186,7 @@ static void bat_iv_ogm_process(const struct ethhdr *ethhdr, 
static int bat_iv_ogm_receive(struct sk_buff *skb,

			      struct hard_iface *if_incoming)

{

	struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);

	struct batman_ogm_packet *batman_ogm_packet;

	struct ethhdr *ethhdr;

	int buff_pos = 0, packet_len;
@@ -1196,6 +1197,12 @@ static int bat_iv_ogm_receive(struct sk_buff *skb, 
	if (!ret)

		return NET_RX_DROP;



	/* did we receive a B.A.T.M.A.N. IV OGM packet on an interface

	 * that does not have B.A.T.M.A.N. IV enabled ?

	 */

	if (bat_priv->bat_algo_ops->bat_ogm_emit != bat_iv_ogm_emit)

		return NET_RX_DROP;



	packet_len = skb_headlen(skb);

	ethhdr = (struct ethhdr *)skb_mac_header(skb);

	packet_buff = skb->data;