Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Harald Welte |
115 |
24.42% |
3 |
11.11% |
| Florian Westphal |
107 |
22.72% |
2 |
7.41% |
| Arnd Bergmann |
72 |
15.29% |
1 |
3.70% |
| Alexey Dobriyan |
69 |
14.65% |
4 |
14.81% |
| Jan Engelhardt |
48 |
10.19% |
5 |
18.52% |
| Subash Abhinov Kasiviswanathan |
41 |
8.70% |
1 |
3.70% |
| Eric W. Biedermann |
4 |
0.85% |
2 |
7.41% |
| Patrick McHardy |
4 |
0.85% |
4 |
14.81% |
| Andrew Morton |
3 |
0.64% |
1 |
3.70% |
| David S. Miller |
3 |
0.64% |
1 |
3.70% |
| Tejun Heo |
3 |
0.64% |
1 |
3.70% |
| Herbert Xu |
1 |
0.21% |
1 |
3.70% |
| Jozsef Kadlecsik |
1 |
0.21% |
1 |
3.70% |
| Total |
471 |
|
27 |
|
/*
* IPv6 raw table, a port of the IPv4 raw table to IPv6
*
* Copyright (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <linux/slab.h>
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
static int __net_init ip6table_raw_table_init(struct net *net);
static bool raw_before_defrag __read_mostly;
MODULE_PARM_DESC(raw_before_defrag, "Enable raw table before defrag");
module_param(raw_before_defrag, bool, 0000);
static const struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_RAW,
.table_init = ip6table_raw_table_init,
};
static const struct xt_table packet_raw_before_defrag = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_RAW_BEFORE_DEFRAG,
.table_init = ip6table_raw_table_init,
};
/* The work comes in here from netfilter.c. */
static unsigned int
ip6table_raw_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
{
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_raw);
}
static struct nf_hook_ops *rawtable_ops __read_mostly;
static int __net_init ip6table_raw_table_init(struct net *net)
{
struct ip6t_replace *repl;
const struct xt_table *table = &packet_raw;
int ret;
if (raw_before_defrag)
table = &packet_raw_before_defrag;
if (net->ipv6.ip6table_raw)
return 0;
repl = ip6t_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;
ret = ip6t_register_table(net, table, repl, rawtable_ops,
&net->ipv6.ip6table_raw);
kfree(repl);
return ret;
}
static void __net_exit ip6table_raw_net_exit(struct net *net)
{
if (!net->ipv6.ip6table_raw)
return;
ip6t_unregister_table(net, net->ipv6.ip6table_raw, rawtable_ops);
net->ipv6.ip6table_raw = NULL;
}
static struct pernet_operations ip6table_raw_net_ops = {
.exit = ip6table_raw_net_exit,
};
static int __init ip6table_raw_init(void)
{
int ret;
const struct xt_table *table = &packet_raw;
if (raw_before_defrag) {
table = &packet_raw_before_defrag;
pr_info("Enabling raw table before defrag\n");
}
/* Register hooks */
rawtable_ops = xt_hook_ops_alloc(table, ip6table_raw_hook);
if (IS_ERR(rawtable_ops))
return PTR_ERR(rawtable_ops);
ret = register_pernet_subsys(&ip6table_raw_net_ops);
if (ret < 0) {
kfree(rawtable_ops);
return ret;
}
ret = ip6table_raw_table_init(&init_net);
if (ret) {
unregister_pernet_subsys(&ip6table_raw_net_ops);
kfree(rawtable_ops);
}
return ret;
}
static void __exit ip6table_raw_fini(void)
{
unregister_pernet_subsys(&ip6table_raw_net_ops);
kfree(rawtable_ops);
}
module_init(ip6table_raw_init);
module_exit(ip6table_raw_fini);
MODULE_LICENSE("GPL");