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netfilter: nft_osf: Add version option support

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Add version option support to the nftables "osf" expression.

Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Fernando Fernandez Mancera 2019-03-27 11:36:26 +01:00 • committed by Pablo Neira Ayuso
parent 6978cdb129
commit 22c7652cda
4 changed files with 46 additions and 15 deletions
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11
include/linux/netfilter/nfnetlink_osf.h
View file

@ -21,13 +21,18 @@ struct nf_osf_finger {
struct nf_osf_user_finger finger;
};
struct nf_osf_data {
const char *genre;
const char *version;
};
bool nf_osf_match(const struct sk_buff *skb, u_int8_t family,
int hooknum, struct net_device *in, struct net_device *out,
const struct nf_osf_info *info, struct net *net,
const struct list_head *nf_osf_fingers);
const char *nf_osf_find(const struct sk_buff *skb,
const struct list_head *nf_osf_fingers,
const int ttl_check);
bool nf_osf_find(const struct sk_buff *skb,
const struct list_head *nf_osf_fingers,
const int ttl_check, struct nf_osf_data *data);
#endif /* _NFOSF_H */