Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds (pre-git) |
91 |
29.45% |
12 |
31.58% |
| Harald Welte |
60 |
19.42% |
4 |
10.53% |
| Jan Engelhardt |
55 |
17.80% |
7 |
18.42% |
| Patrick McHardy |
55 |
17.80% |
5 |
13.16% |
| Pablo Neira Ayuso |
25 |
8.09% |
1 |
2.63% |
| Arnaldo Carvalho de Melo |
8 |
2.59% |
3 |
7.89% |
| Zhengchuan Liang |
5 |
1.62% |
1 |
2.63% |
| Art Haas |
4 |
1.29% |
1 |
2.63% |
| Linus Torvalds |
3 |
0.97% |
2 |
5.26% |
| Thomas Gleixner |
2 |
0.65% |
1 |
2.63% |
| Joe Perches |
1 |
0.32% |
1 |
2.63% |
| Total |
309 |
|
38 |
|
// SPDX-License-Identifier: GPL-2.0-only
/* Kernel module to match MAC address parameters. */
/* (C) 1999-2001 Paul `Rusty' Russell
* (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
*/
#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/etherdevice.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netfilter/xt_mac.h>
#include <linux/netfilter/x_tables.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("Xtables: MAC address match");
MODULE_ALIAS("ipt_mac");
MODULE_ALIAS("ip6t_mac");
static bool mac_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_mac_info *info = par->matchinfo;
bool ret;
if (skb->dev == NULL || skb->dev->type != ARPHRD_ETHER)
return false;
if (!skb_mac_header_was_set(skb) || skb_mac_header_len(skb) < ETH_HLEN)
return false;
ret = ether_addr_equal(eth_hdr(skb)->h_source, info->srcaddr);
ret ^= info->invert;
return ret;
}
static struct xt_match mac_mt_reg[] __read_mostly = {
{
.name = "mac",
.family = NFPROTO_IPV4,
.match = mac_mt,
.matchsize = sizeof(struct xt_mac_info),
.hooks = (1 << NF_INET_PRE_ROUTING) |
(1 << NF_INET_LOCAL_IN) |
(1 << NF_INET_FORWARD),
.me = THIS_MODULE,
},
{
.name = "mac",
.family = NFPROTO_IPV6,
.match = mac_mt,
.matchsize = sizeof(struct xt_mac_info),
.hooks = (1 << NF_INET_PRE_ROUTING) |
(1 << NF_INET_LOCAL_IN) |
(1 << NF_INET_FORWARD),
.me = THIS_MODULE,
},
};
static int __init mac_mt_init(void)
{
return xt_register_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg));
}
static void __exit mac_mt_exit(void)
{
xt_unregister_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg));
}
module_init(mac_mt_init);
module_exit(mac_mt_exit);