| /* |
| * hostapd - IEEE 802.11i-2004 / WPA Authenticator |
| * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #ifndef WPA_AUTH_H |
| #define WPA_AUTH_H |
| |
| #include "common/defs.h" |
| #include "common/eapol_common.h" |
| #include "common/wpa_common.h" |
| |
| #ifdef _MSC_VER |
| #pragma pack(push, 1) |
| #endif /* _MSC_VER */ |
| |
| /* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition |
| */ |
| struct ft_rrb_frame { |
| u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ |
| u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */ |
| le16 action_length; /* little endian length of action_frame */ |
| u8 ap_address[ETH_ALEN]; |
| /* |
| * Followed by action_length bytes of FT Action frame (from Category |
| * field to the end of Action Frame body. |
| */ |
| } STRUCT_PACKED; |
| |
| #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1 |
| |
| #define FT_PACKET_REQUEST 0 |
| #define FT_PACKET_RESPONSE 1 |
| /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */ |
| #define FT_PACKET_R0KH_R1KH_PULL 200 |
| #define FT_PACKET_R0KH_R1KH_RESP 201 |
| #define FT_PACKET_R0KH_R1KH_PUSH 202 |
| |
| #define FT_R0KH_R1KH_PULL_DATA_LEN 44 |
| #define FT_R0KH_R1KH_RESP_DATA_LEN 76 |
| #define FT_R0KH_R1KH_PUSH_DATA_LEN 88 |
| |
| struct ft_r0kh_r1kh_pull_frame { |
| u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ |
| u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */ |
| le16 data_length; /* little endian length of data (44) */ |
| u8 ap_address[ETH_ALEN]; |
| |
| u8 nonce[16]; |
| u8 pmk_r0_name[WPA_PMK_NAME_LEN]; |
| u8 r1kh_id[FT_R1KH_ID_LEN]; |
| u8 s1kh_id[ETH_ALEN]; |
| u8 pad[4]; /* 8-octet boundary for AES key wrap */ |
| u8 key_wrap_extra[8]; |
| } STRUCT_PACKED; |
| |
| struct ft_r0kh_r1kh_resp_frame { |
| u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ |
| u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */ |
| le16 data_length; /* little endian length of data (76) */ |
| u8 ap_address[ETH_ALEN]; |
| |
| u8 nonce[16]; /* copied from pull */ |
| u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */ |
| u8 s1kh_id[ETH_ALEN]; /* copied from pull */ |
| u8 pmk_r1[PMK_LEN]; |
| u8 pmk_r1_name[WPA_PMK_NAME_LEN]; |
| le16 pairwise; |
| u8 pad[2]; /* 8-octet boundary for AES key wrap */ |
| u8 key_wrap_extra[8]; |
| } STRUCT_PACKED; |
| |
| struct ft_r0kh_r1kh_push_frame { |
| u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ |
| u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */ |
| le16 data_length; /* little endian length of data (88) */ |
| u8 ap_address[ETH_ALEN]; |
| |
| /* Encrypted with AES key-wrap */ |
| u8 timestamp[4]; /* current time in seconds since unix epoch, little |
| * endian */ |
| u8 r1kh_id[FT_R1KH_ID_LEN]; |
| u8 s1kh_id[ETH_ALEN]; |
| u8 pmk_r0_name[WPA_PMK_NAME_LEN]; |
| u8 pmk_r1[PMK_LEN]; |
| u8 pmk_r1_name[WPA_PMK_NAME_LEN]; |
| le16 pairwise; |
| u8 pad[6]; /* 8-octet boundary for AES key wrap */ |
| u8 key_wrap_extra[8]; |
| } STRUCT_PACKED; |
| |
| #ifdef _MSC_VER |
| #pragma pack(pop) |
| #endif /* _MSC_VER */ |
| |
| |
| /* per STA state machine data */ |
| |
| struct wpa_authenticator; |
| struct wpa_state_machine; |
| struct rsn_pmksa_cache_entry; |
| struct eapol_state_machine; |
| |
| |
| struct ft_remote_r0kh { |
| struct ft_remote_r0kh *next; |
| u8 addr[ETH_ALEN]; |
| u8 id[FT_R0KH_ID_MAX_LEN]; |
| size_t id_len; |
| u8 key[16]; |
| }; |
| |
| |
| struct ft_remote_r1kh { |
| struct ft_remote_r1kh *next; |
| u8 addr[ETH_ALEN]; |
| u8 id[FT_R1KH_ID_LEN]; |
| u8 key[16]; |
| }; |
| |
| |
| struct wpa_auth_config { |
| int wpa; |
| int wpa_key_mgmt; |
| int wpa_pairwise; |
| int wpa_group; |
| int wpa_group_rekey; |
| int wpa_strict_rekey; |
| int wpa_gmk_rekey; |
| int wpa_ptk_rekey; |
| int rsn_pairwise; |
| int rsn_preauth; |
| int eapol_version; |
| int peerkey; |
| int wmm_enabled; |
| int wmm_uapsd; |
| int disable_pmksa_caching; |
| int okc; |
| int tx_status; |
| #ifdef CONFIG_IEEE80211W |
| enum mfp_options ieee80211w; |
| #endif /* CONFIG_IEEE80211W */ |
| #ifdef CONFIG_IEEE80211R |
| #define SSID_LEN 32 |
| u8 ssid[SSID_LEN]; |
| size_t ssid_len; |
| u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; |
| u8 r0_key_holder[FT_R0KH_ID_MAX_LEN]; |
| size_t r0_key_holder_len; |
| u8 r1_key_holder[FT_R1KH_ID_LEN]; |
| u32 r0_key_lifetime; |
| u32 reassociation_deadline; |
| struct ft_remote_r0kh *r0kh_list; |
| struct ft_remote_r1kh *r1kh_list; |
| int pmk_r1_push; |
| int ft_over_ds; |
| #endif /* CONFIG_IEEE80211R */ |
| int disable_gtk; |
| int ap_mlme; |
| }; |
| |
| typedef enum { |
| LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING |
| } logger_level; |
| |
| typedef enum { |
| WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized, |
| WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable, |
| WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx |
| } wpa_eapol_variable; |
| |
| struct wpa_auth_callbacks { |
| void *ctx; |
| void (*logger)(void *ctx, const u8 *addr, logger_level level, |
| const char *txt); |
| void (*disconnect)(void *ctx, const u8 *addr, u16 reason); |
| int (*mic_failure_report)(void *ctx, const u8 *addr); |
| void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var, |
| int value); |
| int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var); |
| const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *prev_psk); |
| int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len); |
| int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg, |
| const u8 *addr, int idx, u8 *key, size_t key_len); |
| int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq); |
| int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data, |
| size_t data_len, int encrypt); |
| int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm, |
| void *ctx), void *cb_ctx); |
| int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a, |
| void *ctx), void *cb_ctx); |
| int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data, |
| size_t data_len); |
| #ifdef CONFIG_IEEE80211R |
| struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr); |
| int (*send_ft_action)(void *ctx, const u8 *dst, |
| const u8 *data, size_t data_len); |
| int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie, |
| size_t tspec_ielen); |
| #endif /* CONFIG_IEEE80211R */ |
| }; |
| |
| struct wpa_authenticator * wpa_init(const u8 *addr, |
| struct wpa_auth_config *conf, |
| struct wpa_auth_callbacks *cb); |
| int wpa_init_keys(struct wpa_authenticator *wpa_auth); |
| void wpa_deinit(struct wpa_authenticator *wpa_auth); |
| int wpa_reconfig(struct wpa_authenticator *wpa_auth, |
| struct wpa_auth_config *conf); |
| |
| enum { |
| WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE, |
| WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL, |
| WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER, |
| WPA_INVALID_MDIE, WPA_INVALID_PROTO |
| }; |
| |
| int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, |
| struct wpa_state_machine *sm, |
| const u8 *wpa_ie, size_t wpa_ie_len, |
| const u8 *mdie, size_t mdie_len); |
| int wpa_auth_uses_mfp(struct wpa_state_machine *sm); |
| struct wpa_state_machine * |
| wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr); |
| int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth, |
| struct wpa_state_machine *sm); |
| void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm); |
| void wpa_auth_sta_deinit(struct wpa_state_machine *sm); |
| void wpa_receive(struct wpa_authenticator *wpa_auth, |
| struct wpa_state_machine *sm, |
| u8 *data, size_t data_len); |
| typedef enum { |
| WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH, |
| WPA_REAUTH_EAPOL, WPA_ASSOC_FT |
| } wpa_event; |
| void wpa_remove_ptk(struct wpa_state_machine *sm); |
| int wpa_auth_sm_event(struct wpa_state_machine *sm, wpa_event event); |
| void wpa_auth_sm_notify(struct wpa_state_machine *sm); |
| void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth); |
| int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen); |
| int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen); |
| void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth); |
| int wpa_auth_pairwise_set(struct wpa_state_machine *sm); |
| int wpa_auth_get_pairwise(struct wpa_state_machine *sm); |
| int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm); |
| int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm); |
| int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm, |
| struct rsn_pmksa_cache_entry *entry); |
| struct rsn_pmksa_cache_entry * |
| wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm); |
| void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm); |
| const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth, |
| size_t *len); |
| int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk, |
| int session_timeout, struct eapol_state_machine *eapol); |
| int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth, |
| const u8 *pmk, size_t len, const u8 *sta_addr, |
| int session_timeout, |
| struct eapol_state_machine *eapol); |
| int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id); |
| void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth, |
| struct wpa_state_machine *sm, int ack); |
| |
| #ifdef CONFIG_IEEE80211R |
| u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos, |
| size_t max_len, int auth_alg, |
| const u8 *req_ies, size_t req_ies_len); |
| void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid, |
| u16 auth_transaction, const u8 *ies, size_t ies_len, |
| void (*cb)(void *ctx, const u8 *dst, const u8 *bssid, |
| u16 auth_transaction, u16 resp, |
| const u8 *ies, size_t ies_len), |
| void *ctx); |
| u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies, |
| size_t ies_len); |
| int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len); |
| int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, |
| const u8 *data, size_t data_len); |
| void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr); |
| #endif /* CONFIG_IEEE80211R */ |
| |
| void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm); |
| void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag); |
| int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos); |
| int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos); |
| |
| int wpa_auth_uses_sae(struct wpa_state_machine *sm); |
| |
| #endif /* WPA_AUTH_H */ |
