Release 4.7 net/bridge/netfilter/ebt_dnat.c
/*
* ebt_dnat
*
* Authors:
* Bart De Schuymer <bdschuym@pandora.be>
*
* June, 2002
*
*/
#include <linux/module.h>
#include <net/sock.h>
#include <linux/netfilter.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_nat.h>
static unsigned int
ebt_dnat_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct ebt_nat_info *info = par->targinfo;
if (!skb_make_writable(skb, 0))
return EBT_DROP;
ether_addr_copy(eth_hdr(skb)->h_dest, info->mac);
return info->target;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 41 | 68.33% | 2 | 15.38% |
| jan engelhardt | jan engelhardt | 8 | 13.33% | 5 | 38.46% |
| herbert xu | herbert xu | 5 | 8.33% | 2 | 15.38% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 3 | 5.00% | 1 | 7.69% |
| joonwoo park | joonwoo park | 2 | 3.33% | 2 | 15.38% |
| joe perches | joe perches | 1 | 1.67% | 1 | 7.69% |
| Total | 60 | 100.00% | 13 | 100.00% |
static int ebt_dnat_tg_check(const struct xt_tgchk_param *par)
{
const struct ebt_nat_info *info = par->targinfo;
unsigned int hook_mask;
if (BASE_CHAIN && info->target == EBT_RETURN)
return -EINVAL;
hook_mask = par->hook_mask & ~(1 << NF_BR_NUMHOOKS);
if ((strcmp(par->table, "nat") != 0 ||
(hook_mask & ~((1 << NF_BR_PRE_ROUTING) |
(1 << NF_BR_LOCAL_OUT)))) &&
(strcmp(par->table, "broute") != 0 ||
hook_mask & ~(1 << NF_BR_BROUTING)))
return -EINVAL;
if (INVALID_TARGET)
return -EINVAL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 81 | 65.32% | 1 | 16.67% |
| jan engelhardt | jan engelhardt | 43 | 34.68% | 5 | 83.33% |
| Total | 124 | 100.00% | 6 | 100.00% |
static struct xt_target ebt_dnat_tg_reg __read_mostly = {
.name = "dnat",
.revision = 0,
.family = NFPROTO_BRIDGE,
.hooks = (1 << NF_BR_NUMHOOKS) | (1 << NF_BR_PRE_ROUTING) |
(1 << NF_BR_LOCAL_OUT) | (1 << NF_BR_BROUTING),
.target = ebt_dnat_tg,
.checkentry = ebt_dnat_tg_check,
.targetsize = sizeof(struct ebt_nat_info),
.me = THIS_MODULE,
};
static int __init ebt_dnat_init(void)
{
return xt_register_target(&ebt_dnat_tg_reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 13 | 81.25% | 1 | 33.33% |
| jan engelhardt | jan engelhardt | 2 | 12.50% | 1 | 33.33% |
| andrew morton | andrew morton | 1 | 6.25% | 1 | 33.33% |
| Total | 16 | 100.00% | 3 | 100.00% |
static void __exit ebt_dnat_fini(void)
{
xt_unregister_target(&ebt_dnat_tg_reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 12 | 80.00% | 1 | 33.33% |
| jan engelhardt | jan engelhardt | 2 | 13.33% | 1 | 33.33% |
| andrew morton | andrew morton | 1 | 6.67% | 1 | 33.33% |
| Total | 15 | 100.00% | 3 | 100.00% |
module_init(ebt_dnat_init);
module_exit(ebt_dnat_fini);
MODULE_DESCRIPTION("Ebtables: Destination MAC address translation");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 190 | 57.93% | 3 | 12.50% |
| jan engelhardt | jan engelhardt | 121 | 36.89% | 14 | 58.33% |
| herbert xu | herbert xu | 7 | 2.13% | 2 | 8.33% |
| andrew morton | andrew morton | 4 | 1.22% | 1 | 4.17% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 3 | 0.91% | 1 | 4.17% |
| joonwoo park | joonwoo park | 2 | 0.61% | 2 | 8.33% |
| joe perches | joe perches | 1 | 0.30% | 1 | 4.17% |
| Total | 328 | 100.00% | 24 | 100.00% |
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