EXPORT_SYMBOL(ip_ct_log_invalid);
#endif /* CONFIG_SYSCTL */
-static int init_or_cleanup(int init)
+/* FIXME: Allow NULL functions and sub in pointers to generic for
+ them. --RR */
+int ip_conntrack_protocol_register(struct ip_conntrack_protocol *proto)
+{
+ int ret = 0;
+
+ write_lock_bh(&ip_conntrack_lock);
+ if (ip_ct_protos[proto->proto] != &ip_conntrack_generic_protocol) {
+ ret = -EBUSY;
+ goto out;
+ }
+ ip_ct_protos[proto->proto] = proto;
+ out:
+ write_unlock_bh(&ip_conntrack_lock);
+ return ret;
+}
+
+void ip_conntrack_protocol_unregister(struct ip_conntrack_protocol *proto)
+{
+ write_lock_bh(&ip_conntrack_lock);
+ ip_ct_protos[proto->proto] = &ip_conntrack_generic_protocol;
+ write_unlock_bh(&ip_conntrack_lock);
+
+ /* Somebody could be still looking at the proto in bh. */
+ synchronize_net();
+
+ /* Remove all contrack entries for this protocol */
+ ip_ct_iterate_cleanup(kill_proto, &proto->proto);
+}
+
+static int __init ip_conntrack_standalone_init(void)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc, *proc_exp, *proc_stat;
#endif
int ret = 0;
- if (!init) goto cleanup;
-
ret = ip_conntrack_init();
if (ret < 0)
- goto cleanup_nothing;
+ return ret;
#ifdef CONFIG_PROC_FS
ret = -ENOMEM;
goto cleanup_hooks;
}
#endif
-
return ret;
- cleanup:
- synchronize_net();
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(ip_ct_sysctl_header);
cleanup_hooks:
-#endif
nf_unregister_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
+#endif
cleanup_proc_stat:
#ifdef CONFIG_PROC_FS
remove_proc_entry("ip_conntrack", proc_net_stat);
cleanup_init:
#endif /* CONFIG_PROC_FS */
ip_conntrack_cleanup();
- cleanup_nothing:
return ret;
}
-/* FIXME: Allow NULL functions and sub in pointers to generic for
- them. --RR */
-int ip_conntrack_protocol_register(struct ip_conntrack_protocol *proto)
-{
- int ret = 0;
-
- write_lock_bh(&ip_conntrack_lock);
- if (ip_ct_protos[proto->proto] != &ip_conntrack_generic_protocol) {
- ret = -EBUSY;
- goto out;
- }
- ip_ct_protos[proto->proto] = proto;
- out:
- write_unlock_bh(&ip_conntrack_lock);
- return ret;
-}
-
-void ip_conntrack_protocol_unregister(struct ip_conntrack_protocol *proto)
-{
- write_lock_bh(&ip_conntrack_lock);
- ip_ct_protos[proto->proto] = &ip_conntrack_generic_protocol;
- write_unlock_bh(&ip_conntrack_lock);
-
- /* Somebody could be still looking at the proto in bh. */
- synchronize_net();
-
- /* Remove all contrack entries for this protocol */
- ip_ct_iterate_cleanup(kill_proto, &proto->proto);
-}
-
-static int __init ip_conntrack_standalone_init(void)
-{
- return init_or_cleanup(1);
-}
-
static void __exit ip_conntrack_standalone_fini(void)
{
- init_or_cleanup(0);
+ synchronize_net();
+#ifdef CONFIG_SYSCTL
+ unregister_sysctl_table(ip_ct_sysctl_header);
+#endif
+ nf_unregister_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("ip_conntrack", proc_net_stat);
+ proc_net_remove("ip_conntrack_expect");
+ proc_net_remove("ip_conntrack");
+#endif /* CONFIG_PROC_FS */
+ ip_conntrack_cleanup();
}
module_init(ip_conntrack_standalone_init);
},
};
-static int init_or_cleanup(int init)
+static int __init ip_nat_standalone_init(void)
{
int ret = 0;
need_conntrack();
- if (!init) goto cleanup;
-
#ifdef CONFIG_XFRM
BUG_ON(ip_nat_decode_session != NULL);
ip_nat_decode_session = nat_decode_session;
}
return ret;
- cleanup:
- nf_unregister_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
cleanup_rule_init:
ip_nat_rule_cleanup();
cleanup_decode_session:
return ret;
}
-static int __init ip_nat_standalone_init(void)
-{
- return init_or_cleanup(1);
-}
-
static void __exit ip_nat_standalone_fini(void)
{
- init_or_cleanup(0);
+ nf_unregister_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
+ ip_nat_rule_cleanup();
+#ifdef CONFIG_XFRM
+ ip_nat_decode_session = NULL;
+ synchronize_net();
+#endif
}
module_init(ip_nat_standalone_init);
.outfn = &ipq_enqueue_packet,
};
-static int
-init_or_cleanup(int init)
+static int __init ip_queue_init(void)
{
int status = -ENOMEM;
struct proc_dir_entry *proc;
- if (!init)
- goto cleanup;
-
netlink_register_notifier(&ipq_nl_notifier);
ipqnl = netlink_kernel_create(NETLINK_FIREWALL, 0, ipq_rcv_sk,
THIS_MODULE);
}
return status;
-cleanup:
- nf_unregister_queue_handlers(&nfqh);
- synchronize_net();
- ipq_flush(NF_DROP);
-
cleanup_sysctl:
unregister_sysctl_table(ipq_sysctl_header);
unregister_netdevice_notifier(&ipq_dev_notifier);
return status;
}
-static int __init ip_queue_init(void)
-{
-
- return init_or_cleanup(1);
-}
-
static void __exit ip_queue_fini(void)
{
- init_or_cleanup(0);
+ nf_unregister_queue_handlers(&nfqh);
+ synchronize_net();
+ ipq_flush(NF_DROP);
+
+ unregister_sysctl_table(ipq_sysctl_header);
+ unregister_netdevice_notifier(&ipq_dev_notifier);
+ proc_net_remove(IPQ_PROC_FS_NAME);
+
+ sock_release(ipqnl->sk_socket);
+ mutex_lock(&ipqnl_mutex);
+ mutex_unlock(&ipqnl_mutex);
+
+ netlink_unregister_notifier(&ipq_nl_notifier);
}
MODULE_DESCRIPTION("IPv4 packet queue handler");
#endif /* CONFIG_PROC_FS */
-static int init_or_cleanup(int fini)
+static int __init ipt_clusterip_init(void)
{
int ret;
- if (fini)
- goto cleanup;
-
- if (ipt_register_target(&clusterip_tgt)) {
- ret = -EINVAL;
- goto cleanup_none;
- }
+ ret = ipt_register_target(&clusterip_tgt);
+ if (ret < 0)
+ return ret;
- if (nf_register_hook(&cip_arp_ops) < 0) {
- ret = -EINVAL;
+ ret = nf_register_hook(&cip_arp_ops);
+ if (ret < 0)
goto cleanup_target;
- }
#ifdef CONFIG_PROC_FS
clusterip_procdir = proc_mkdir("ipt_CLUSTERIP", proc_net);
printk(KERN_NOTICE "ClusterIP Version %s loaded successfully\n",
CLUSTERIP_VERSION);
-
return 0;
-cleanup:
- printk(KERN_NOTICE "ClusterIP Version %s unloading\n",
- CLUSTERIP_VERSION);
-#ifdef CONFIG_PROC_FS
- remove_proc_entry(clusterip_procdir->name, clusterip_procdir->parent);
-#endif
cleanup_hook:
nf_unregister_hook(&cip_arp_ops);
cleanup_target:
ipt_unregister_target(&clusterip_tgt);
-cleanup_none:
- return -EINVAL;
-}
-
-static int __init ipt_clusterip_init(void)
-{
- return init_or_cleanup(0);
+ return ret;
}
static void __exit ipt_clusterip_fini(void)
{
- init_or_cleanup(1);
+ printk(KERN_NOTICE "ClusterIP Version %s unloading\n",
+ CLUSTERIP_VERSION);
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry(clusterip_procdir->name, clusterip_procdir->parent);
+#endif
+ nf_unregister_hook(&cip_arp_ops);
+ ipt_unregister_target(&clusterip_tgt);
}
module_init(ipt_clusterip_init);
extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp4;
extern struct nf_conntrack_protocol nf_conntrack_protocol_udp4;
extern struct nf_conntrack_protocol nf_conntrack_protocol_icmp;
-static int init_or_cleanup(int init)
+
+MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
+MODULE_LICENSE("GPL");
+
+static int __init nf_conntrack_l3proto_ipv4_init(void)
{
int ret = 0;
- if (!init) goto cleanup;
+ need_conntrack();
ret = nf_register_sockopt(&so_getorigdst);
if (ret < 0) {
printk(KERN_ERR "Unable to register netfilter socket option\n");
- goto cleanup_nothing;
+ return ret;
}
ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp4);
#endif
return ret;
- cleanup:
- synchronize_net();
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
cleanup_hooks:
-#endif
nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+#endif
cleanup_ipv4:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
cleanup_icmp:
nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
cleanup_sockopt:
nf_unregister_sockopt(&so_getorigdst);
- cleanup_nothing:
return ret;
}
-MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
-MODULE_LICENSE("GPL");
-
-static int __init nf_conntrack_l3proto_ipv4_init(void)
-{
- need_conntrack();
- return init_or_cleanup(1);
-}
-
static void __exit nf_conntrack_l3proto_ipv4_fini(void)
{
- init_or_cleanup(0);
+ synchronize_net();
+#ifdef CONFIG_SYSCTL
+ unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
+#endif
+ nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+ nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmp);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp4);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
+ nf_unregister_sockopt(&so_getorigdst);
}
module_init(nf_conntrack_l3proto_ipv4_init);
.outfn = &ipq_enqueue_packet,
};
-static int
-init_or_cleanup(int init)
+static int __init ip6_queue_init(void)
{
int status = -ENOMEM;
struct proc_dir_entry *proc;
- if (!init)
- goto cleanup;
-
netlink_register_notifier(&ipq_nl_notifier);
ipqnl = netlink_kernel_create(NETLINK_IP6_FW, 0, ipq_rcv_sk,
THIS_MODULE);
}
return status;
-cleanup:
- nf_unregister_queue_handlers(&nfqh);
- synchronize_net();
- ipq_flush(NF_DROP);
-
cleanup_sysctl:
unregister_sysctl_table(ipq_sysctl_header);
unregister_netdevice_notifier(&ipq_dev_notifier);
return status;
}
-static int __init ip6_queue_init(void)
-{
-
- return init_or_cleanup(1);
-}
-
static void __exit ip6_queue_fini(void)
{
- init_or_cleanup(0);
+ nf_unregister_queue_handlers(&nfqh);
+ synchronize_net();
+ ipq_flush(NF_DROP);
+
+ unregister_sysctl_table(ipq_sysctl_header);
+ unregister_netdevice_notifier(&ipq_dev_notifier);
+ proc_net_remove(IPQ_PROC_FS_NAME);
+
+ sock_release(ipqnl->sk_socket);
+ mutex_lock(&ipqnl_mutex);
+ mutex_unlock(&ipqnl_mutex);
+
+ netlink_unregister_notifier(&ipq_nl_notifier);
}
MODULE_DESCRIPTION("IPv6 packet queue handler");
extern struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6;
extern int nf_ct_frag6_init(void);
extern void nf_ct_frag6_cleanup(void);
-static int init_or_cleanup(int init)
+
+MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
+
+static int __init nf_conntrack_l3proto_ipv6_init(void)
{
int ret = 0;
- if (!init) goto cleanup;
+ need_conntrack();
ret = nf_ct_frag6_init();
if (ret < 0) {
printk("nf_conntrack_ipv6: can't initialize frag6.\n");
- goto cleanup_nothing;
+ return ret;
}
ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp6);
if (ret < 0) {
#endif
return ret;
- cleanup:
- synchronize_net();
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
cleanup_hooks:
-#endif
nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
+#endif
cleanup_ipv6:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
cleanup_icmpv6:
nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
cleanup_frag6:
nf_ct_frag6_cleanup();
- cleanup_nothing:
return ret;
}
-MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
-
-static int __init nf_conntrack_l3proto_ipv6_init(void)
-{
- need_conntrack();
- return init_or_cleanup(1);
-}
-
static void __exit nf_conntrack_l3proto_ipv6_fini(void)
{
- init_or_cleanup(0);
+ synchronize_net();
+#ifdef CONFIG_SYSCTL
+ unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
+#endif
+ nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
+ nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmpv6);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp6);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
+ nf_ct_frag6_cleanup();
}
module_init(nf_conntrack_l3proto_ipv6_init);
EXPORT_SYMBOL(nf_ct_log_invalid);
#endif /* CONFIG_SYSCTL */
-static int init_or_cleanup(int init)
-{
-#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *proc, *proc_exp, *proc_stat;
-#endif
- int ret = 0;
-
- if (!init) goto cleanup;
-
- ret = nf_conntrack_init();
- if (ret < 0)
- goto cleanup_nothing;
-
-#ifdef CONFIG_PROC_FS
- proc = proc_net_fops_create("nf_conntrack", 0440, &ct_file_ops);
- if (!proc) goto cleanup_init;
-
- proc_exp = proc_net_fops_create("nf_conntrack_expect", 0440,
- &exp_file_ops);
- if (!proc_exp) goto cleanup_proc;
-
- proc_stat = create_proc_entry("nf_conntrack", S_IRUGO, proc_net_stat);
- if (!proc_stat)
- goto cleanup_proc_exp;
-
- proc_stat->proc_fops = &ct_cpu_seq_fops;
- proc_stat->owner = THIS_MODULE;
-#endif
-#ifdef CONFIG_SYSCTL
- nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
- if (nf_ct_sysctl_header == NULL) {
- printk("nf_conntrack: can't register to sysctl.\n");
- ret = -ENOMEM;
- goto cleanup_proc_stat;
- }
-#endif
-
- return ret;
-
- cleanup:
-#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_sysctl_header);
- cleanup_proc_stat:
-#endif
-#ifdef CONFIG_PROC_FS
- remove_proc_entry("nf_conntrack", proc_net_stat);
- cleanup_proc_exp:
- proc_net_remove("nf_conntrack_expect");
- cleanup_proc:
- proc_net_remove("nf_conntrack");
- cleanup_init:
-#endif /* CNFIG_PROC_FS */
- nf_conntrack_cleanup();
- cleanup_nothing:
- return ret;
-}
-
int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
{
int ret = 0;
static int __init nf_conntrack_standalone_init(void)
{
- return init_or_cleanup(1);
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *proc, *proc_exp, *proc_stat;
+#endif
+ int ret = 0;
+
+ ret = nf_conntrack_init();
+ if (ret < 0)
+ return ret;
+
+#ifdef CONFIG_PROC_FS
+ proc = proc_net_fops_create("nf_conntrack", 0440, &ct_file_ops);
+ if (!proc) goto cleanup_init;
+
+ proc_exp = proc_net_fops_create("nf_conntrack_expect", 0440,
+ &exp_file_ops);
+ if (!proc_exp) goto cleanup_proc;
+
+ proc_stat = create_proc_entry("nf_conntrack", S_IRUGO, proc_net_stat);
+ if (!proc_stat)
+ goto cleanup_proc_exp;
+
+ proc_stat->proc_fops = &ct_cpu_seq_fops;
+ proc_stat->owner = THIS_MODULE;
+#endif
+#ifdef CONFIG_SYSCTL
+ nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
+ if (nf_ct_sysctl_header == NULL) {
+ printk("nf_conntrack: can't register to sysctl.\n");
+ ret = -ENOMEM;
+ goto cleanup_proc_stat;
+ }
+#endif
+ return ret;
+
+#ifdef CONFIG_SYSCTL
+ cleanup_proc_stat:
+#endif
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("nf_conntrack", proc_net_stat);
+ cleanup_proc_exp:
+ proc_net_remove("nf_conntrack_expect");
+ cleanup_proc:
+ proc_net_remove("nf_conntrack");
+ cleanup_init:
+#endif /* CNFIG_PROC_FS */
+ nf_conntrack_cleanup();
+ return ret;
}
static void __exit nf_conntrack_standalone_fini(void)
{
- init_or_cleanup(0);
+#ifdef CONFIG_SYSCTL
+ unregister_sysctl_table(nf_ct_sysctl_header);
+#endif
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("nf_conntrack", proc_net_stat);
+ proc_net_remove("nf_conntrack_expect");
+ proc_net_remove("nf_conntrack");
+#endif /* CNFIG_PROC_FS */
+ nf_conntrack_cleanup();
}
module_init(nf_conntrack_standalone_init);
#endif /* PROC_FS */
-static int
-init_or_cleanup(int init)
+static int __init nfnetlink_log_init(void)
{
int i, status = -ENOMEM;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_nful;
#endif
- if (!init)
- goto cleanup;
-
for (i = 0; i < INSTANCE_BUCKETS; i++)
INIT_HLIST_HEAD(&instance_table[i]);
goto cleanup_subsys;
proc_nful->proc_fops = &nful_file_ops;
#endif
-
return status;
-cleanup:
- nf_log_unregister_logger(&nfulnl_logger);
#ifdef CONFIG_PROC_FS
- remove_proc_entry("nfnetlink_log", proc_net_netfilter);
cleanup_subsys:
-#endif
nfnetlink_subsys_unregister(&nfulnl_subsys);
+#endif
cleanup_netlink_notifier:
netlink_unregister_notifier(&nfulnl_rtnl_notifier);
return status;
}
-static int __init nfnetlink_log_init(void)
-{
-
- return init_or_cleanup(1);
-}
-
static void __exit nfnetlink_log_fini(void)
{
- init_or_cleanup(0);
+ nf_log_unregister_logger(&nfulnl_logger);
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("nfnetlink_log", proc_net_netfilter);
+#endif
+ nfnetlink_subsys_unregister(&nfulnl_subsys);
+ netlink_unregister_notifier(&nfulnl_rtnl_notifier);
}
MODULE_DESCRIPTION("netfilter userspace logging");
#endif /* PROC_FS */
-static int
-init_or_cleanup(int init)
+static int __init nfnetlink_queue_init(void)
{
int i, status = -ENOMEM;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_nfqueue;
#endif
- if (!init)
- goto cleanup;
-
for (i = 0; i < INSTANCE_BUCKETS; i++)
INIT_HLIST_HEAD(&instance_table[i]);
#endif
register_netdevice_notifier(&nfqnl_dev_notifier);
-
return status;
-cleanup:
- nf_unregister_queue_handlers(&nfqh);
- unregister_netdevice_notifier(&nfqnl_dev_notifier);
#ifdef CONFIG_PROC_FS
- remove_proc_entry("nfnetlink_queue", proc_net_netfilter);
cleanup_subsys:
-#endif
nfnetlink_subsys_unregister(&nfqnl_subsys);
+#endif
cleanup_netlink_notifier:
netlink_unregister_notifier(&nfqnl_rtnl_notifier);
return status;
}
-static int __init nfnetlink_queue_init(void)
-{
-
- return init_or_cleanup(1);
-}
-
static void __exit nfnetlink_queue_fini(void)
{
- init_or_cleanup(0);
+ nf_unregister_queue_handlers(&nfqh);
+ unregister_netdevice_notifier(&nfqnl_dev_notifier);
+#ifdef CONFIG_PROC_FS
+ remove_proc_entry("nfnetlink_queue", proc_net_netfilter);
+#endif
+ nfnetlink_subsys_unregister(&nfqnl_subsys);
+ netlink_unregister_notifier(&nfqnl_rtnl_notifier);
}
MODULE_DESCRIPTION("netfilter packet queue handler");
projects / linux-2.6 / commitdiff