C++ (Cpp) synproxy_proc_init Exemples

Exemple #1

Fichier : nf_synproxy_core.c Projet : BozkurTR/kernel

static int __net_init synproxy_net_init(struct net *net)
{
	struct synproxy_net *snet = synproxy_pernet(net);
	struct nf_conntrack_tuple t;
	struct nf_conn *ct;
	int err = -ENOMEM;

	memset(&t, 0, sizeof(t));
	ct = nf_conntrack_alloc(net, 0, &t, &t, GFP_KERNEL);
	if (IS_ERR(ct)) {
		err = PTR_ERR(ct);
		goto err1;
	}

	if (!nfct_seqadj_ext_add(ct))
		goto err2;
	if (!nfct_synproxy_ext_add(ct))
		goto err2;
	__set_bit(IPS_TEMPLATE_BIT, &ct->status);
	__set_bit(IPS_CONFIRMED_BIT, &ct->status);

	snet->tmpl = ct;

	snet->stats = alloc_percpu(struct synproxy_stats);
	if (snet->stats == NULL)
		goto err2;

	err = synproxy_proc_init(net);
	if (err < 0)
		goto err3;

	return 0;

err3:
	free_percpu(snet->stats);
err2:
	nf_conntrack_free(ct);
err1:
	return err;
}

Exemple #2

Fichier : nf_synproxy_core.c Projet : ReneNyffenegger/linux

static int __net_init synproxy_net_init(struct net *net)
{
	struct synproxy_net *snet = synproxy_pernet(net);
	struct nf_conn *ct;
	int err = -ENOMEM;

	ct = nf_ct_tmpl_alloc(net, &nf_ct_zone_dflt, GFP_KERNEL);
	if (!ct)
		goto err1;

	if (!nfct_seqadj_ext_add(ct))
		goto err2;
	if (!nfct_synproxy_ext_add(ct))
		goto err2;

	__set_bit(IPS_CONFIRMED_BIT, &ct->status);
	nf_conntrack_get(&ct->ct_general);
	snet->tmpl = ct;

	snet->stats = alloc_percpu(struct synproxy_stats);
	if (snet->stats == NULL)
		goto err2;

	err = synproxy_proc_init(net);
	if (err < 0)
		goto err3;

	return 0;

err3:
	free_percpu(snet->stats);
err2:
	nf_ct_tmpl_free(ct);
err1:
	return err;
}