Contributors: 14
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Harald Welte |
105 |
25.55% |
3 |
8.11% |
| Florian Westphal |
68 |
16.55% |
6 |
16.22% |
| Alexey Dobriyan |
51 |
12.41% |
3 |
8.11% |
| Jan Engelhardt |
45 |
10.95% |
4 |
10.81% |
| Arnd Bergmann |
40 |
9.73% |
1 |
2.70% |
| Subash Abhinov Kasiviswanathan |
40 |
9.73% |
1 |
2.70% |
| Linus Torvalds (pre-git) |
32 |
7.79% |
10 |
27.03% |
| David J. Wilder |
17 |
4.14% |
1 |
2.70% |
| Patrick McHardy |
5 |
1.22% |
3 |
8.11% |
| Andrew Morton |
4 |
0.97% |
1 |
2.70% |
| Thomas Gleixner |
1 |
0.24% |
1 |
2.70% |
| Linus Torvalds |
1 |
0.24% |
1 |
2.70% |
| Jean Sacren |
1 |
0.24% |
1 |
2.70% |
| Jozsef Kadlecsik |
1 |
0.24% |
1 |
2.70% |
| Total |
411 |
|
37 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* 'raw' table, which is the very first hooked in at PRE_ROUTING and LOCAL_OUT .
*
* Copyright (C) 2003 Jozsef Kadlecsik <kadlec@netfilter.org>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/slab.h>
#include <net/ip.h>
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
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_IPV4,
.priority = NF_IP_PRI_RAW,
};
static const struct xt_table packet_raw_before_defrag = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV4,
.priority = NF_IP_PRI_RAW_BEFORE_DEFRAG,
};
static struct nf_hook_ops *rawtable_ops __read_mostly;
static int iptable_raw_table_init(struct net *net)
{
struct ipt_replace *repl;
const struct xt_table *table = &packet_raw;
int ret;
if (raw_before_defrag)
table = &packet_raw_before_defrag;
repl = ipt_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;
ret = ipt_register_table(net, table, repl, rawtable_ops);
kfree(repl);
return ret;
}
static void __net_exit iptable_raw_net_pre_exit(struct net *net)
{
ipt_unregister_table_pre_exit(net, "raw");
}
static void __net_exit iptable_raw_net_exit(struct net *net)
{
ipt_unregister_table_exit(net, "raw");
}
static struct pernet_operations iptable_raw_net_ops = {
.pre_exit = iptable_raw_net_pre_exit,
.exit = iptable_raw_net_exit,
};
static int __init iptable_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");
}
ret = xt_register_template(table,
iptable_raw_table_init);
if (ret < 0)
return ret;
rawtable_ops = xt_hook_ops_alloc(table, ipt_do_table);
if (IS_ERR(rawtable_ops)) {
xt_unregister_template(table);
return PTR_ERR(rawtable_ops);
}
ret = register_pernet_subsys(&iptable_raw_net_ops);
if (ret < 0) {
xt_unregister_template(table);
kfree(rawtable_ops);
return ret;
}
return ret;
}
static void __exit iptable_raw_fini(void)
{
unregister_pernet_subsys(&iptable_raw_net_ops);
kfree(rawtable_ops);
xt_unregister_template(&packet_raw);
}
module_init(iptable_raw_init);
module_exit(iptable_raw_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("iptables legacy raw table");