| 1 | /*
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| 2 | * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
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| 3 | * Copyright (c) 2006-2008, Jouni Malinen <j@w1.fi>
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| 4 | *
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| 5 | * This software may be distributed under the terms of the BSD license.
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| 6 | * See README for more details.
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| 7 | */
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| 8 |
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| 9 | #ifndef PEERKEY_H
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| 10 | #define PEERKEY_H
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| 11 |
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| 12 | #define PEERKEY_MAX_IE_LEN 80
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| 13 | struct wpa_peerkey {
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| 14 | struct wpa_peerkey *next;
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| 15 | int initiator; /* whether this end was initator for SMK handshake */
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| 16 | u8 addr[ETH_ALEN]; /* other end MAC address */
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| 17 | u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
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| 18 | u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
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| 19 | u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
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| 20 | size_t rsnie_i_len;
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| 21 | u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
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| 22 | size_t rsnie_p_len;
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| 23 | u8 smk[PMK_LEN];
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| 24 | int smk_complete;
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| 25 | u8 smkid[PMKID_LEN];
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| 26 | u32 lifetime;
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| 27 | int cipher; /* Selected cipher (WPA_CIPHER_*) */
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| 28 | u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
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| 29 | int replay_counter_set;
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| 30 | int use_sha256; /* whether AKMP indicate SHA256-based derivations */
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| 31 |
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| 32 | struct wpa_ptk stk, tstk;
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| 33 | int stk_set, tstk_set;
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| 34 | };
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| 35 |
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| 36 |
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| 37 | #ifdef CONFIG_PEERKEY
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| 38 |
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| 39 | int peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
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| 40 | struct wpa_peerkey *peerkey,
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| 41 | struct wpa_eapol_key *key, u16 ver,
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| 42 | const u8 *buf, size_t len);
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| 43 | void peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
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| 44 | struct wpa_eapol_key *key, u16 key_info, u16 ver);
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| 45 | void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
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| 46 | struct wpa_eapol_key *key, size_t extra_len,
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| 47 | u16 key_info, u16 ver);
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| 48 | void peerkey_deinit(struct wpa_sm *sm);
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| 49 |
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| 50 | #else /* CONFIG_PEERKEY */
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| 51 |
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| 52 | static inline int
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| 53 | peerkey_verify_eapol_key_mic(struct wpa_sm *sm,
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| 54 | struct wpa_peerkey *peerkey,
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| 55 | struct wpa_eapol_key *key, u16 ver,
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| 56 | const u8 *buf, size_t len)
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| 57 | {
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| 58 | return -1;
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| 59 | }
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| 60 |
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| 61 | static inline void
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| 62 | peerkey_rx_eapol_4way(struct wpa_sm *sm, struct wpa_peerkey *peerkey,
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| 63 | struct wpa_eapol_key *key, u16 key_info, u16 ver)
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| 64 | {
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| 65 | }
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| 66 |
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| 67 | static inline void
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| 68 | peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
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| 69 | struct wpa_eapol_key *key, size_t extra_len,
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| 70 | u16 key_info, u16 ver)
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| 71 | {
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| 72 | }
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| 73 |
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| 74 | static inline void peerkey_deinit(struct wpa_sm *sm)
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| 75 | {
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| 76 | }
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| 77 |
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| 78 | #endif /* CONFIG_PEERKEY */
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| 79 |
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| 80 | #endif /* PEERKEY_H */
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