Contributors: 14
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Florian Westphal |
113 |
26.28% |
2 |
6.45% |
| Linus Torvalds (pre-git) |
91 |
21.16% |
1 |
3.23% |
| Alexey Dobriyan |
83 |
19.30% |
3 |
9.68% |
| Jan Engelhardt |
76 |
17.67% |
7 |
22.58% |
| Harald Welte |
27 |
6.28% |
4 |
12.90% |
| Art Haas |
10 |
2.33% |
1 |
3.23% |
| Rusty Russell |
10 |
2.33% |
2 |
6.45% |
| Eric W. Biedermann |
4 |
0.93% |
2 |
6.45% |
| Andrew Morton |
4 |
0.93% |
1 |
3.23% |
| Patrick McHardy |
4 |
0.93% |
4 |
12.90% |
| Tejun Heo |
3 |
0.70% |
1 |
3.23% |
| David S. Miller |
3 |
0.70% |
1 |
3.23% |
| Linus Torvalds |
1 |
0.23% |
1 |
3.23% |
| Herbert Xu |
1 |
0.23% |
1 |
3.23% |
| Total |
430 |
|
31 |
|
/*
* This is the 1999 rewrite of IP Firewalling, aiming for kernel 2.3.x.
*
* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
* Copyright (C) 2000-2004 Netfilter Core Team <coreteam@netfilter.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <linux/slab.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("ip6tables filter table");
#define FILTER_VALID_HOOKS ((1 << NF_INET_LOCAL_IN) | \
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT))
static int __net_init ip6table_filter_table_init(struct net *net);
static const struct xt_table packet_filter = {
.name = "filter",
.valid_hooks = FILTER_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_FILTER,
.table_init = ip6table_filter_table_init,
};
/* The work comes in here from netfilter.c. */
static unsigned int
ip6table_filter_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
{
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_filter);
}
static struct nf_hook_ops *filter_ops __read_mostly;
/* Default to forward because I got too much mail already. */
static bool forward = true;
module_param(forward, bool, 0000);
static int __net_init ip6table_filter_table_init(struct net *net)
{
struct ip6t_replace *repl;
int err;
if (net->ipv6.ip6table_filter)
return 0;
repl = ip6t_alloc_initial_table(&packet_filter);
if (repl == NULL)
return -ENOMEM;
/* Entry 1 is the FORWARD hook */
((struct ip6t_standard *)repl->entries)[1].target.verdict =
forward ? -NF_ACCEPT - 1 : -NF_DROP - 1;
err = ip6t_register_table(net, &packet_filter, repl, filter_ops,
&net->ipv6.ip6table_filter);
kfree(repl);
return err;
}
static int __net_init ip6table_filter_net_init(struct net *net)
{
if (net == &init_net || !forward)
return ip6table_filter_table_init(net);
return 0;
}
static void __net_exit ip6table_filter_net_exit(struct net *net)
{
if (!net->ipv6.ip6table_filter)
return;
ip6t_unregister_table(net, net->ipv6.ip6table_filter, filter_ops);
net->ipv6.ip6table_filter = NULL;
}
static struct pernet_operations ip6table_filter_net_ops = {
.init = ip6table_filter_net_init,
.exit = ip6table_filter_net_exit,
};
static int __init ip6table_filter_init(void)
{
int ret;
filter_ops = xt_hook_ops_alloc(&packet_filter, ip6table_filter_hook);
if (IS_ERR(filter_ops))
return PTR_ERR(filter_ops);
ret = register_pernet_subsys(&ip6table_filter_net_ops);
if (ret < 0)
kfree(filter_ops);
return ret;
}
static void __exit ip6table_filter_fini(void)
{
unregister_pernet_subsys(&ip6table_filter_net_ops);
kfree(filter_ops);
}
module_init(ip6table_filter_init);
module_exit(ip6table_filter_fini);