Release 4.12 include/net/netfilter/nf_tables_ipv4.h
#ifndef _NF_TABLES_IPV4_H_
#define _NF_TABLES_IPV4_H_
#include <net/netfilter/nf_tables.h>
#include <net/ip.h>
static inline void
nft_set_pktinfo_ipv4(struct nft_pktinfo *pkt,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
struct iphdr *ip;
nft_set_pktinfo(pkt, skb, state);
ip = ip_hdr(pkt->skb);
pkt->tprot_set = true;
pkt->tprot = ip->protocol;
pkt->xt.thoff = ip_hdrlen(pkt->skb);
pkt->xt.fragoff = ntohs(ip->frag_off) & IP_OFFSET;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pablo Neira Ayuso | 70 | 79.55% | 2 | 50.00% |
| Patrick McHardy | 15 | 17.05% | 1 | 25.00% |
| David S. Miller | 3 | 3.41% | 1 | 25.00% |
| Total | 88 | 100.00% | 4 | 100.00% |
static inline int
__nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
struct iphdr *iph, _iph;
u32 len, thoff;
iph = skb_header_pointer(skb, skb_network_offset(skb), sizeof(*iph),
&_iph);
if (!iph)
return -1;
if (iph->ihl < 5 || iph->version != 4)
return -1;
len = ntohs(iph->tot_len);
thoff = iph->ihl * 4;
if (skb->len < len)
return -1;
else if (len < thoff)
return -1;
pkt->tprot_set = true;
pkt->tprot = iph->protocol;
pkt->xt.thoff = thoff;
pkt->xt.fragoff = ntohs(iph->frag_off) & IP_OFFSET;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pablo Neira Ayuso | 163 | 100.00% | 1 | 100.00% |
| Total | 163 | 100.00% | 1 | 100.00% |
static inline void
nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
nft_set_pktinfo(pkt, skb, state);
if (__nft_set_pktinfo_ipv4_validate(pkt, skb, state) < 0)
nft_set_pktinfo_proto_unspec(pkt, skb);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pablo Neira Ayuso | 52 | 100.00% | 1 | 100.00% |
| Total | 52 | 100.00% | 1 | 100.00% |
extern struct nft_af_info nft_af_ipv4;
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pablo Neira Ayuso | 299 | 92.86% | 3 | 50.00% |
| Patrick McHardy | 20 | 6.21% | 2 | 33.33% |
| David S. Miller | 3 | 0.93% | 1 | 16.67% |
| Total | 322 | 100.00% | 6 | 100.00% |
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