C++ (Cpp) nf_ct_proto_find_get Exemples

Exemple #1

static inline int
ctnetlink_dump_protoinfo(struct sk_buff *skb, const struct nf_conn *ct)
{
	struct nf_conntrack_protocol *proto = nf_ct_proto_find_get(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num, ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum);
	struct nfattr *nest_proto;
	int ret;

	if (!proto->to_nfattr) {
		nf_ct_proto_put(proto);
		return 0;
	}
	
	nest_proto = NFA_NEST(skb, CTA_PROTOINFO);

	ret = proto->to_nfattr(skb, nest_proto, ct);

	nf_ct_proto_put(proto);

	NFA_NEST_END(skb, nest_proto);

	return ret;

nfattr_failure:
	return -1;
}

Exemple #2

Fichier : nf_conntrack_netlink.c Projet : FatSunHYS/OSCourseDesign

static inline int
ctnetlink_dump_tuples(struct sk_buff *skb,
		      const struct nf_conntrack_tuple *tuple)
{
	int ret;
	struct nf_conntrack_l3proto *l3proto;
	struct nf_conntrack_protocol *proto;

	l3proto = nf_ct_l3proto_find_get(tuple->src.l3num);
	ret = ctnetlink_dump_tuples_ip(skb, tuple, l3proto);
	nf_ct_l3proto_put(l3proto);

	if (unlikely(ret < 0))
		return ret;

	proto = nf_ct_proto_find_get(tuple->src.l3num, tuple->dst.protonum);
	ret = ctnetlink_dump_tuples_proto(skb, tuple, proto);
	nf_ct_proto_put(proto);

	return ret;
}

Exemple #3

static inline int
ctnetlink_dump_tuples_proto(struct sk_buff *skb, 
			    const struct nf_conntrack_tuple *tuple)
{
	struct nf_conntrack_protocol *proto;
	int ret = 0;

	NFA_PUT(skb, CTA_PROTO_NUM, sizeof(u_int8_t), &tuple->dst.protonum);

	/* If no protocol helper is found, this function will return the
	 * generic protocol helper, so proto won't *ever* be NULL */
	proto = nf_ct_proto_find_get(tuple->src.l3num, tuple->dst.protonum);
	if (likely(proto->tuple_to_nfattr))
		ret = proto->tuple_to_nfattr(skb, tuple);
	
	nf_ct_proto_put(proto);

	return ret;

nfattr_failure:
	return -1;
}