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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _NFOSF_H |
| 3 | #define _NFOSF_H |
| 4 | |
| 5 | #include <uapi/linux/netfilter/nfnetlink_osf.h> |
| 6 | |
| 7 | enum osf_fmatch_states { |
| 8 | /* Packet does not match the fingerprint */ |
| 9 | FMATCH_WRONG = 0, |
| 10 | /* Packet matches the fingerprint */ |
| 11 | FMATCH_OK, |
| 12 | /* Options do not match the fingerprint, but header does */ |
| 13 | FMATCH_OPT_WRONG, |
| 14 | }; |
| 15 | |
| 16 | extern struct list_head nf_osf_fingers[2]; |
| 17 | |
| 18 | struct nf_osf_finger { |
| 19 | struct rcu_head rcu_head; |
| 20 | struct list_head finger_entry; |
| 21 | struct nf_osf_user_finger finger; |
| 22 | }; |
| 23 | |
| 24 | struct nf_osf_data { |
| 25 | const char *genre; |
| 26 | const char *version; |
| 27 | }; |
| 28 | |
| 29 | bool nf_osf_match(const struct sk_buff *skb, u_int8_t family, |
| 30 | int hooknum, struct net_device *in, struct net_device *out, |
| 31 | const struct nf_osf_info *info, struct net *net, |
| 32 | const struct list_head *nf_osf_fingers); |
| 33 | |
| 34 | bool nf_osf_find(const struct sk_buff *skb, |
| 35 | const struct list_head *nf_osf_fingers, |
| 36 | const int ttl_check, struct nf_osf_data *data); |
| 37 | |
| 38 | #endif /* _NFOSF_H */ |
| 39 |
Warning: This file is not a C or C++ file. It does not have highlighting.