Release 4.8 net/ipv6/netfilter/nft_chain_route_ipv6.c
/*
* Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
* Copyright (c) 2012 Pablo Neira Ayuso <pablo@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.
*
* Development of this code funded by Astaro AG (http://www.astaro.com/)
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables_ipv6.h>
#include <net/route.h>
static unsigned int nf_route_table_hook(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
unsigned int ret;
struct nft_pktinfo pkt;
struct in6_addr saddr, daddr;
u_int8_t hop_limit;
u32 mark, flowlabel;
int err;
/* malformed packet, drop it */
if (nft_set_pktinfo_ipv6(&pkt, skb, state) < 0)
return NF_DROP;
/* save source/dest address, mark, hoplimit, flowlabel, priority */
memcpy(&saddr, &ipv6_hdr(skb)->saddr, sizeof(saddr));
memcpy(&daddr, &ipv6_hdr(skb)->daddr, sizeof(daddr));
mark = skb->mark;
hop_limit = ipv6_hdr(skb)->hop_limit;
/* flowlabel and prio (includes version, which shouldn't change either */
flowlabel = *((u32 *)ipv6_hdr(skb));
ret = nft_do_chain(&pkt, priv);
if (ret != NF_DROP && ret != NF_STOLEN &&
(memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) ||
memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) ||
skb->mark != mark ||
ipv6_hdr(skb)->hop_limit != hop_limit ||
flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) {
err = ip6_route_me_harder(state->net, skb);
if (err < 0)
ret = NF_DROP_ERR(err);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| patrick mchardy | patrick mchardy | 199 | 78.97% | 2 | 28.57% |
| pablo neira ayuso | pablo neira ayuso | 23 | 9.13% | 1 | 14.29% |
| liping zhang | liping zhang | 20 | 7.94% | 1 | 14.29% |
| eric w. biederman | eric w. biederman | 7 | 2.78% | 2 | 28.57% |
| david s. miller | david s. miller | 3 | 1.19% | 1 | 14.29% |
| Total | 252 | 100.00% | 7 | 100.00% |
static const struct nf_chain_type nft_chain_route_ipv6 = {
.name = "route",
.type = NFT_CHAIN_T_ROUTE,
.family = NFPROTO_IPV6,
.owner = THIS_MODULE,
.hook_mask = (1 << NF_INET_LOCAL_OUT),
.hooks = {
[NF_INET_LOCAL_OUT] = nf_route_table_hook,
},
};
static int __init nft_chain_route_init(void)
{
return nft_register_chain_type(&nft_chain_route_ipv6);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| patrick mchardy | patrick mchardy | 13 | 81.25% | 1 | 50.00% |
| pablo neira ayuso | pablo neira ayuso | 3 | 18.75% | 1 | 50.00% |
| Total | 16 | 100.00% | 2 | 100.00% |
static void __exit nft_chain_route_exit(void)
{
nft_unregister_chain_type(&nft_chain_route_ipv6);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| patrick mchardy | patrick mchardy | 12 | 80.00% | 1 | 50.00% |
| pablo neira ayuso | pablo neira ayuso | 3 | 20.00% | 1 | 50.00% |
| Total | 15 | 100.00% | 2 | 100.00% |
module_init(nft_chain_route_init);
module_exit(nft_chain_route_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_ALIAS_NFT_CHAIN(AF_INET6, "route");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| patrick mchardy | patrick mchardy | 314 | 79.49% | 4 | 36.36% |
| pablo neira ayuso | pablo neira ayuso | 50 | 12.66% | 2 | 18.18% |
| liping zhang | liping zhang | 20 | 5.06% | 1 | 9.09% |
| eric w. biederman | eric w. biederman | 7 | 1.77% | 2 | 18.18% |
| david s. miller | david s. miller | 3 | 0.76% | 1 | 9.09% |
| ian morris | ian morris | 1 | 0.25% | 1 | 9.09% |
| Total | 395 | 100.00% | 11 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.