Release 4.16 net/ipv4/netfilter/iptable_raw.c
/*
* 'raw' table, which is the very first hooked in at PRE_ROUTING and LOCAL_OUT .
*
* Copyright (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
*/
#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 int __net_init iptable_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_IPV4,
.priority = NF_IP_PRI_RAW,
.table_init = iptable_raw_table_init,
};
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,
.table_init = iptable_raw_table_init,
};
/* The work comes in here from netfilter.c. */
static unsigned int
iptable_raw_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
{
return ipt_do_table(skb, state, state->net->ipv4.iptable_raw);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 14 | 36.84% | 1 | 9.09% |
| Patrick McHardy | 9 | 23.68% | 2 | 18.18% |
| Alexey Dobriyan | 4 | 10.53% | 2 | 18.18% |
| Eric W. Biedermann | 4 | 10.53% | 2 | 18.18% |
| David S. Miller | 3 | 7.89% | 1 | 9.09% |
| Herbert Xu | 2 | 5.26% | 1 | 9.09% |
| Jan Engelhardt | 2 | 5.26% | 2 | 18.18% |
| Total | 38 | 100.00% | 11 | 100.00% |
static struct nf_hook_ops *rawtable_ops __read_mostly;
static int __net_init 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;
if (net->ipv4.iptable_raw)
return 0;
repl = ipt_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;
ret = ipt_register_table(net, table, repl, rawtable_ops,
&net->ipv4.iptable_raw);
kfree(repl);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Florian Westphal | 26 | 27.66% | 2 | 25.00% |
| Jan Engelhardt | 26 | 27.66% | 1 | 12.50% |
| Arnd Bergmann | 20 | 21.28% | 1 | 12.50% |
| Harald Welte | 13 | 13.83% | 2 | 25.00% |
| Alexey Dobriyan | 9 | 9.57% | 2 | 25.00% |
| Total | 94 | 100.00% | 8 | 100.00% |
static void __net_exit iptable_raw_net_exit(struct net *net)
{
if (!net->ipv4.iptable_raw)
return;
ipt_unregister_table(net, net->ipv4.iptable_raw, rawtable_ops);
net->ipv4.iptable_raw = NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Dobriyan | 23 | 53.49% | 2 | 50.00% |
| Florian Westphal | 20 | 46.51% | 2 | 50.00% |
| Total | 43 | 100.00% | 4 | 100.00% |
static struct pernet_operations iptable_raw_net_ops = {
.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");
}
rawtable_ops = xt_hook_ops_alloc(table, iptable_raw_hook);
if (IS_ERR(rawtable_ops))
return PTR_ERR(rawtable_ops);
ret = register_pernet_subsys(&iptable_raw_net_ops);
if (ret < 0) {
kfree(rawtable_ops);
return ret;
}
ret = iptable_raw_table_init(&init_net);
if (ret) {
unregister_pernet_subsys(&iptable_raw_net_ops);
kfree(rawtable_ops);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Florian Westphal | 37 | 33.33% | 1 | 12.50% |
| Alexey Dobriyan | 30 | 27.03% | 2 | 25.00% |
| Harald Welte | 15 | 13.51% | 1 | 12.50% |
| Subash Abhinov Kasiviswanathan | 13 | 11.71% | 1 | 12.50% |
| Arnd Bergmann | 13 | 11.71% | 1 | 12.50% |
| Jan Engelhardt | 2 | 1.80% | 1 | 12.50% |
| Jean Sacren | 1 | 0.90% | 1 | 12.50% |
| Total | 111 | 100.00% | 8 | 100.00% |
static void __exit iptable_raw_fini(void)
{
unregister_pernet_subsys(&iptable_raw_net_ops);
kfree(rawtable_ops);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 14 | 70.00% | 1 | 25.00% |
| Florian Westphal | 4 | 20.00% | 1 | 25.00% |
| Andrew Morton | 1 | 5.00% | 1 | 25.00% |
| Jan Engelhardt | 1 | 5.00% | 1 | 25.00% |
| Total | 20 | 100.00% | 4 | 100.00% |
module_init(iptable_raw_init);
module_exit(iptable_raw_fini);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Harald Welte | 107 | 22.62% | 3 | 10.34% |
| Florian Westphal | 103 | 21.78% | 2 | 6.90% |
| Alexey Dobriyan | 79 | 16.70% | 4 | 13.79% |
| Arnd Bergmann | 72 | 15.22% | 1 | 3.45% |
| Subash Abhinov Kasiviswanathan | 41 | 8.67% | 1 | 3.45% |
| Jan Engelhardt | 40 | 8.46% | 6 | 20.69% |
| Patrick McHardy | 14 | 2.96% | 4 | 13.79% |
| Eric W. Biedermann | 4 | 0.85% | 2 | 6.90% |
| Andrew Morton | 3 | 0.63% | 1 | 3.45% |
| David S. Miller | 3 | 0.63% | 1 | 3.45% |
| Tejun Heo | 3 | 0.63% | 1 | 3.45% |
| Herbert Xu | 2 | 0.42% | 1 | 3.45% |
| Jean Sacren | 1 | 0.21% | 1 | 3.45% |
| Hideaki Yoshifuji / 吉藤英明 | 1 | 0.21% | 1 | 3.45% |
| Total | 473 | 100.00% | 29 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.