C++ (Cpp) xt_hook_ops_alloc Examples

Example #1

File: arptable_filter.c Project: hjat2005/linux-hisi

static int __init arptable_filter_init(void)
{
	int ret;

	arpfilter_ops = xt_hook_ops_alloc(&packet_filter, arptable_filter_hook);
	if (IS_ERR(arpfilter_ops))
		return PTR_ERR(arpfilter_ops);

	ret = register_pernet_subsys(&arptable_filter_net_ops);
	if (ret < 0) {
		kfree(arpfilter_ops);
		return ret;
	}

	return ret;
}

Example #2

File: ip6table_security.c Project: 020gzh/linux

static int __init ip6table_security_init(void)
{
	int ret;

	sectbl_ops = xt_hook_ops_alloc(&security_table, ip6table_security_hook);
	if (IS_ERR(sectbl_ops))
		return PTR_ERR(sectbl_ops);

	ret = register_pernet_subsys(&ip6table_security_net_ops);
	if (ret < 0) {
		kfree(sectbl_ops);
		return ret;
	}

	ret = ip6table_security_table_init(&init_net);
	if (ret) {
		unregister_pernet_subsys(&ip6table_security_net_ops);
		kfree(sectbl_ops);
	}
	return ret;
}

Example #3

File: iptable_mangle.c Project: AlexShiLucky/linux

static int __init iptable_mangle_init(void)
{
	int ret;

	mangle_ops = xt_hook_ops_alloc(&packet_mangler, iptable_mangle_hook);
	if (IS_ERR(mangle_ops)) {
		ret = PTR_ERR(mangle_ops);
		return ret;
	}

	ret = register_pernet_subsys(&iptable_mangle_net_ops);
	if (ret < 0) {
		kfree(mangle_ops);
		return ret;
	}

	ret = iptable_mangle_table_init(&init_net);
	if (ret) {
		unregister_pernet_subsys(&iptable_mangle_net_ops);
		kfree(mangle_ops);
	}

	return ret;
}