Commit 4a3e71b7 authored by Fernando Fernandez Mancera's avatar Fernando Fernandez Mancera Committed by Pablo Neira Ayuso
Browse files

netfilter: nft_osf: usage from output path is not valid 



The nft_osf extension, like xt_osf, is not supported from the output
path.

Fixes: b96af92d ("netfilter: nf_tables: implement Passive OS fingerprint module in nft_osf")
Signed-off-by: default avatarFernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 3b18d5eb

net/netfilter/nft_osf.c

+10 −0
Original line number Diff line number Diff line
@@ -69,6 +69,15 @@ static int nft_osf_dump(struct sk_buff *skb, const struct nft_expr *expr) 
	return -1;

}



static int nft_osf_validate(const struct nft_ctx *ctx,

			    const struct nft_expr *expr,

			    const struct nft_data **data)

{

	return nft_chain_validate_hooks(ctx->chain, (1 << NF_INET_LOCAL_IN) |

						    (1 << NF_INET_PRE_ROUTING) |

						    (1 << NF_INET_FORWARD));

}



static struct nft_expr_type nft_osf_type;

static const struct nft_expr_ops nft_osf_op = {

	.eval		= nft_osf_eval,
@@ -76,6 +85,7 @@ static const struct nft_expr_ops nft_osf_op = { 
	.init		= nft_osf_init,

	.dump		= nft_osf_dump,

	.type		= &nft_osf_type,

	.validate	= nft_osf_validate,

};



static struct nft_expr_type nft_osf_type __read_mostly = {