Sunil Ravi | 77d572f | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 1 | /* |
| 2 | * PASN info for initiator and responder |
| 3 | * |
| 4 | * Copyright (C) 2019, Intel Corporation |
| 5 | * Copyright (c) 2022, Jouni Malinen <j@w1.fi> |
| 6 | * Copyright (C) 2022, Qualcomm Innovation Center, Inc. |
| 7 | * |
| 8 | * This software may be distributed under the terms of the BSD license. |
| 9 | * See README for more details. |
| 10 | */ |
| 11 | |
| 12 | #ifndef PASN_COMMON_H |
| 13 | #define PASN_COMMON_H |
| 14 | |
| 15 | #ifdef __cplusplus |
| 16 | extern "C" { |
| 17 | #endif |
| 18 | |
| 19 | #ifdef CONFIG_PASN |
| 20 | |
| 21 | enum pasn_fils_state { |
| 22 | PASN_FILS_STATE_NONE = 0, |
| 23 | PASN_FILS_STATE_PENDING_AS, |
| 24 | PASN_FILS_STATE_COMPLETE |
| 25 | }; |
| 26 | |
| 27 | struct pasn_fils { |
| 28 | u8 state; |
| 29 | u8 nonce[FILS_NONCE_LEN]; |
| 30 | u8 anonce[FILS_NONCE_LEN]; |
| 31 | u8 session[FILS_SESSION_LEN]; |
| 32 | u8 erp_pmkid[PMKID_LEN]; |
| 33 | bool completed; |
| 34 | struct wpabuf *erp_resp; |
| 35 | }; |
| 36 | |
| 37 | struct pasn_data { |
| 38 | int akmp; |
| 39 | int cipher; |
| 40 | u16 group; |
| 41 | bool secure_ltf; |
| 42 | int freq; |
| 43 | size_t kdk_len; |
| 44 | |
| 45 | u8 trans_seq; |
| 46 | u8 status; |
| 47 | |
| 48 | u8 own_addr[ETH_ALEN]; |
| 49 | u8 peer_addr[ETH_ALEN]; |
| 50 | u8 bssid[ETH_ALEN]; |
| 51 | size_t pmk_len; |
| 52 | u8 pmk[PMK_LEN_MAX]; |
| 53 | bool using_pmksa; |
| 54 | |
| 55 | u8 hash[SHA384_MAC_LEN]; |
| 56 | |
| 57 | struct wpabuf *beacon_rsne_rsnxe; |
| 58 | struct wpa_ptk ptk; |
| 59 | struct crypto_ecdh *ecdh; |
| 60 | |
| 61 | struct wpabuf *comeback; |
| 62 | u16 comeback_after; |
| 63 | |
| 64 | #ifdef CONFIG_SAE |
| 65 | struct sae_data sae; |
| 66 | struct sae_pt *pt; |
| 67 | #endif /* CONFIG_SAE */ |
| 68 | |
| 69 | #ifdef CONFIG_FILS |
| 70 | bool fils_eapol; |
| 71 | bool fils_wd_valid; |
| 72 | struct pasn_fils fils; |
| 73 | #endif /* CONFIG_FILS */ |
| 74 | |
| 75 | #ifdef CONFIG_IEEE80211R |
| 76 | u8 pmk_r1[PMK_LEN_MAX]; |
| 77 | size_t pmk_r1_len; |
| 78 | u8 pmk_r1_name[WPA_PMK_NAME_LEN]; |
| 79 | #endif /* CONFIG_IEEE80211R */ |
| 80 | /* Note that this pointers to RSN PMKSA cache are actually defined |
| 81 | * differently for the PASN initiator (using RSN Supplicant |
| 82 | * implementation) and PASN responser (using RSN Authenticator |
| 83 | * implementation). Functions cannot be mixed between those cases. */ |
| 84 | struct rsn_pmksa_cache *pmksa; |
| 85 | struct rsn_pmksa_cache_entry *pmksa_entry; |
| 86 | struct eapol_sm *eapol; |
| 87 | int fast_reauth; |
| 88 | #ifdef CONFIG_TESTING_OPTIONS |
| 89 | int corrupt_mic; |
| 90 | #endif /* CONFIG_TESTING_OPTIONS */ |
| 91 | void *cb_ctx; |
| 92 | u16 rsnxe_capab; |
| 93 | int network_id; |
| 94 | |
| 95 | u8 wrapped_data_format; |
| 96 | struct wpabuf *secret; |
| 97 | |
Sunil Ravi | 640215c | 2023-06-28 23:08:09 +0000 | [diff] [blame] | 98 | /* Responder */ |
| 99 | bool noauth; /* Whether PASN without mutual authentication is enabled */ |
Sunil Ravi | 77d572f | 2023-01-17 23:58:31 +0000 | [diff] [blame] | 100 | int wpa_key_mgmt; |
| 101 | int rsn_pairwise; |
| 102 | bool derive_kdk; |
| 103 | const char *password; |
| 104 | int disable_pmksa_caching; |
| 105 | int *pasn_groups; |
| 106 | struct wpabuf *wrapped_data; |
| 107 | int use_anti_clogging; |
| 108 | const u8 *rsn_ie; |
| 109 | const u8 *rsnxe_ie; |
| 110 | size_t rsn_ie_len; |
| 111 | |
| 112 | u8 *comeback_key; |
| 113 | struct os_reltime last_comeback_key_update; |
| 114 | u16 comeback_idx; |
| 115 | u16 *comeback_pending_idx; |
| 116 | |
| 117 | bool custom_pmkid_valid; |
| 118 | u8 custom_pmkid[PMKID_LEN]; |
| 119 | |
| 120 | /** |
| 121 | * Extra elements to add into Authentication frames. These can be used, |
| 122 | * e.g., for Wi-Fi Aware use cases. |
| 123 | */ |
| 124 | const u8 *extra_ies; |
| 125 | size_t extra_ies_len; |
| 126 | |
| 127 | /** |
| 128 | * send_mgmt - Function handler to transmit a Management frame |
| 129 | * @ctx: Callback context from cb_ctx |
| 130 | * @frame_buf : Frame to transmit |
| 131 | * @frame_len: Length of frame to transmit |
| 132 | * @freq: Frequency in MHz for the channel on which to transmit |
| 133 | * @wait_dur: How many milliseconds to wait for a response frame |
| 134 | * Returns: 0 on success, -1 on failure |
| 135 | */ |
| 136 | int (*send_mgmt)(void *ctx, const u8 *data, size_t data_len, int noack, |
| 137 | unsigned int freq, unsigned int wait); |
| 138 | /** |
| 139 | * validate_custom_pmkid - Handler to validate vendor specific PMKID |
| 140 | * @ctx: Callback context from cb_ctx |
| 141 | * @addr : MAC address of the peer |
| 142 | * @pmkid: Custom PMKID |
| 143 | * Returns: 0 on success (valid PMKID), -1 on failure |
| 144 | */ |
| 145 | int (*validate_custom_pmkid)(void *ctx, const u8 *addr, |
| 146 | const u8 *pmkid); |
| 147 | }; |
| 148 | |
| 149 | /* Initiator */ |
| 150 | |
| 151 | void wpa_pasn_reset(struct pasn_data *pasn); |
| 152 | int wpas_pasn_start(struct pasn_data *pasn, const u8 *own_addr, |
| 153 | const u8 *peer_addr, const u8 *bssid, |
| 154 | int akmp, int cipher, u16 group, |
| 155 | int freq, const u8 *beacon_rsne, u8 beacon_rsne_len, |
| 156 | const u8 *beacon_rsnxe, u8 beacon_rsnxe_len, |
| 157 | const struct wpabuf *comeback); |
| 158 | int wpa_pasn_verify(struct pasn_data *pasn, const u8 *own_addr, |
| 159 | const u8 *peer_addr, const u8 *bssid, |
| 160 | int akmp, int cipher, u16 group, |
| 161 | int freq, const u8 *beacon_rsne, u8 beacon_rsne_len, |
| 162 | const u8 *beacon_rsnxe, u8 beacon_rsnxe_len, |
| 163 | const struct wpabuf *comeback); |
| 164 | int wpa_pasn_auth_rx(struct pasn_data *pasn, const u8 *data, size_t len, |
| 165 | struct wpa_pasn_params_data *pasn_params); |
| 166 | int wpa_pasn_auth_tx_status(struct pasn_data *pasn, |
| 167 | const u8 *data, size_t data_len, u8 acked); |
| 168 | |
| 169 | /* Responder */ |
| 170 | int handle_auth_pasn_1(struct pasn_data *pasn, |
| 171 | const u8 *own_addr, const u8 *peer_addr, |
| 172 | const struct ieee80211_mgmt *mgmt, size_t len); |
| 173 | int handle_auth_pasn_3(struct pasn_data *pasn, const u8 *own_addr, |
| 174 | const u8 *peer_addr, |
| 175 | const struct ieee80211_mgmt *mgmt, size_t len); |
| 176 | int handle_auth_pasn_resp(struct pasn_data *pasn, const u8 *own_addr, |
| 177 | const u8 *peer_addr, |
| 178 | struct rsn_pmksa_cache_entry *pmksa, u16 status); |
| 179 | |
| 180 | #endif /* CONFIG_PASN */ |
| 181 | |
| 182 | #ifdef __cplusplus |
| 183 | } |
| 184 | #endif |
| 185 | #endif /* PASN_COMMON_H */ |