Commit 6180c780 authored by Xin Long's avatar Xin Long Committed by David S. Miller
Browse files

tipc: discard MSG_CRYPTO msgs when key_exchange_enabled is not set 



When key_exchange is disabled, there is no reason to accept MSG_CRYPTO
msgs if it doesn't send MSG_CRYPTO msgs.

Signed-off-by: default avatarXin Long <lucien.xin@gmail.com>
Acked-by: default avatarJon Maloy <jmaloy@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3a6c12a0

net/tipc/link.c

+2 −1
Original line number Diff line number Diff line
@@ -1298,7 +1298,8 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb, 
		return false;

#ifdef CONFIG_TIPC_CRYPTO

	case MSG_CRYPTO:

		if (TIPC_SKB_CB(skb)->decrypted) {

		if (sysctl_tipc_key_exchange_enabled &&

		    TIPC_SKB_CB(skb)->decrypted) {

			tipc_crypto_msg_rcv(l->net, skb);

			return true;

		}