peerkey.h

/*
 * WPA Supplicant - PeerKey for Direct Link Setup (DLS)
 * Copyright (c) 2006-2015, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef PEERKEY_H
#define PEERKEY_H

#define PEERKEY_MAX_IE_LEN 80
struct wpa_peerkey {
    struct wpa_peerkey *next;
    int initiator; /* whether this end was initator for SMK handshake */
    u8 addr[ETH_ALEN]; /* other end MAC address */
    u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
    u8 pnonce[WPA_NONCE_LEN]; /* Peer Nonce */
    u8 rsnie_i[PEERKEY_MAX_IE_LEN]; /* Initiator RSN IE */
    size_t rsnie_i_len;
    u8 rsnie_p[PEERKEY_MAX_IE_LEN]; /* Peer RSN IE */
    size_t rsnie_p_len;
    u8 smk[PMK_LEN];
    int smk_complete;
    u8 smkid[PMKID_LEN];
    u32 lifetime;
    int cipher; /* Selected cipher (WPA_CIPHER_*) */
    u8 replay_counter[WPA_REPLAY_COUNTER_LEN];
    int replay_counter_set;
    int akmp;

    struct wpa_ptk stk, tstk;
    int stk_set, tstk_set;
};


#ifdef CONFIG_PEERKEY

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);
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);
void peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
              struct wpa_eapol_key *key, const u8 *key_data,
              size_t key_data_len, u16 key_info, u16 ver);
void peerkey_deinit(struct wpa_sm *sm);

#else /* CONFIG_PEERKEY */

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)
{
    return -1;
}

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)
{
}

static inline void
peerkey_rx_eapol_smk(struct wpa_sm *sm, const u8 *src_addr,
             struct wpa_eapol_key *key, const u8 *key_data,
             size_t key_data_len, u16 key_info, u16 ver)
{
}

static inline void peerkey_deinit(struct wpa_sm *sm)
{
}

#endif /* CONFIG_PEERKEY */

#endif /* PEERKEY_H */