src/rsn_supp/peerkey.h

   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 *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
  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
  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
  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
  76 static inline void peerkey_deinit(struct wpa_sm *sm)
  77 {
  78 }
  79
  80 #endif /* CONFIG_PEERKEY */
  81
  82 #endif /* PEERKEY_H */