1 /*
2 * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
3 * Copyright (c) 2006-2015, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #ifndef PEERKEY_H
10 #define PEERKEY_H
11
12 #define PEERKEY_MAX_IE_LEN 80
13 struct wpa_peerkey {
14 struct wpa_peerkey *next;
15 int initiator; /* whether this end was initator for SMK handshake */
16 u8 addr[ETH_ALEN]; /* other end MAC address */
17 u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
18 u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
19 u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
20 size_t rsnie_i_len;
21 u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
22 size_t rsnie_p_len;
23 u8 smk[PMK_LEN];
24 int smk_complete;
25 u8 smkid[PMKID_LEN];
26 u32 lifetime;
27 int cipher; /* Selected cipher (WPA_CIPHER_*) */
28 u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
29 int replay_counter_set;
30 int akmp;
31
32 struct wpa_ptk stk, tstk;
33 int stk_set, tstk_set;
34 };
35
36
37 #ifdef CONFIG_PEERKEY
38
39 int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
40 struct wpa_peerkey *peerkey,
41 struct wpa_eapol_key_192 *key, u16 ver,
42 const u8 *buf, size_t len);
43 void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
44 struct wpa_eapol_key *key, u16 key_info, u16 ver,
45 const u8 *key_data, size_t key_data_len);
46 void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
47 struct wpa_eapol_key *key, size_t extra_len,
48 u16 key_info, u16 ver);
49 void peerkey_deinit(struct wpa_sm *sm);
50
51 #else /* CONFIG_PEERKEY */
52
53 static inline int
peerkey_verify_eapol_key_mic(struct wpa_sm * sm,struct wpa_peerkey * peerkey,struct wpa_eapol_key * key,u16 ver,const u8 * buf,size_t len)54 peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
55 struct wpa_peerkey *peerkey,
56 struct wpa_eapol_key *key, u16 ver,
57 const u8 *buf, size_t len)
58 {
59 return -1;
60 }
61
62 static inline void
peerkey_rx_eapol_4way(struct wpa_sm * sm,struct wpa_peerkey * peerkey,struct wpa_eapol_key * key,u16 key_info,u16 ver,const u8 * key_data,size_t key_data_len)63 peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
64 struct wpa_eapol_key *key, u16 key_info, u16 ver,
65 const u8 *key_data, size_t key_data_len)
66 {
67 }
68
69 static inline void
peerkey_rx_eapol_smk(struct wpa_sm * sm,const u8 * src_addr,struct wpa_eapol_key * key,size_t extra_len,u16 key_info,u16 ver)70 peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
71 struct wpa_eapol_key *key, size_t extra_len,
72 u16 key_info, u16 ver)
73 {
74 }
75
peerkey_deinit(struct wpa_sm * sm)76 static inline void peerkey_deinit(struct wpa_sm *sm)
77 {
78 }
79
80 #endif /* CONFIG_PEERKEY */
81
82 #endif /* PEERKEY_H */
83