![Patrick McHardy](/assets/img/avatar_default.png)
For L3-proto independant rules we need to get at the L4 protocol value directly. Add it to the nft_pktinfo struct and use the meta expression to retrieve it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
34 lines
691 B
C
34 lines
691 B
C
#ifndef _NF_TABLES_IPV6_H_
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#define _NF_TABLES_IPV6_H_
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#include <linux/netfilter_ipv6/ip6_tables.h>
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#include <net/ipv6.h>
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static inline int
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nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
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const struct nf_hook_ops *ops,
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struct sk_buff *skb,
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const struct net_device *in,
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const struct net_device *out)
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{
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int protohdr, thoff = 0;
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unsigned short frag_off;
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nft_set_pktinfo(pkt, ops, skb, in, out);
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protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
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/* If malformed, drop it */
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if (protohdr < 0)
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return -1;
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pkt->tprot = protohdr;
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pkt->xt.thoff = thoff;
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pkt->xt.fragoff = frag_off;
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return 0;
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}
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extern struct nft_af_info nft_af_ipv6;
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#endif
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