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00015 #ifndef WPA_AUTH_H
00016 #define WPA_AUTH_H
00017
00018 #include "common/defs.h"
00019 #include "common/eapol_common.h"
00020 #include "common/wpa_common.h"
00021
00022 #ifdef _MSC_VER
00023 #pragma pack(push, 1)
00024 #endif
00025
00026
00027
00028 struct ft_rrb_frame {
00029 u8 frame_type;
00030 u8 packet_type;
00031 le16 action_length;
00032 u8 ap_address[ETH_ALEN];
00033
00034
00035
00036
00037 } STRUCT_PACKED;
00038
00039 #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
00040
00041 #define FT_PACKET_REQUEST 0
00042 #define FT_PACKET_RESPONSE 1
00043
00044 #define FT_PACKET_R0KH_R1KH_PULL 200
00045 #define FT_PACKET_R0KH_R1KH_RESP 201
00046 #define FT_PACKET_R0KH_R1KH_PUSH 202
00047
00048 #define FT_R0KH_R1KH_PULL_DATA_LEN 44
00049 #define FT_R0KH_R1KH_RESP_DATA_LEN 76
00050 #define FT_R0KH_R1KH_PUSH_DATA_LEN 88
00051
00052 struct ft_r0kh_r1kh_pull_frame {
00053 u8 frame_type;
00054 u8 packet_type;
00055 le16 data_length;
00056 u8 ap_address[ETH_ALEN];
00057
00058 u8 nonce[16];
00059 u8 pmk_r0_name[WPA_PMK_NAME_LEN];
00060 u8 r1kh_id[FT_R1KH_ID_LEN];
00061 u8 s1kh_id[ETH_ALEN];
00062 u8 pad[4];
00063 u8 key_wrap_extra[8];
00064 } STRUCT_PACKED;
00065
00066 struct ft_r0kh_r1kh_resp_frame {
00067 u8 frame_type;
00068 u8 packet_type;
00069 le16 data_length;
00070 u8 ap_address[ETH_ALEN];
00071
00072 u8 nonce[16];
00073 u8 r1kh_id[FT_R1KH_ID_LEN];
00074 u8 s1kh_id[ETH_ALEN];
00075 u8 pmk_r1[PMK_LEN];
00076 u8 pmk_r1_name[WPA_PMK_NAME_LEN];
00077 le16 pairwise;
00078 u8 pad[2];
00079 u8 key_wrap_extra[8];
00080 } STRUCT_PACKED;
00081
00082 struct ft_r0kh_r1kh_push_frame {
00083 u8 frame_type;
00084 u8 packet_type;
00085 le16 data_length;
00086 u8 ap_address[ETH_ALEN];
00087
00088
00089 u8 timestamp[4];
00090
00091 u8 r1kh_id[FT_R1KH_ID_LEN];
00092 u8 s1kh_id[ETH_ALEN];
00093 u8 pmk_r0_name[WPA_PMK_NAME_LEN];
00094 u8 pmk_r1[PMK_LEN];
00095 u8 pmk_r1_name[WPA_PMK_NAME_LEN];
00096 le16 pairwise;
00097 u8 pad[6];
00098 u8 key_wrap_extra[8];
00099 } STRUCT_PACKED;
00100
00101 #ifdef _MSC_VER
00102 #pragma pack(pop)
00103 #endif
00104
00105
00106
00107
00108 struct wpa_authenticator;
00109 struct wpa_state_machine;
00110 struct rsn_pmksa_cache_entry;
00111 struct eapol_state_machine;
00112
00113
00114 struct ft_remote_r0kh {
00115 struct ft_remote_r0kh *next;
00116 u8 addr[ETH_ALEN];
00117 u8 id[FT_R0KH_ID_MAX_LEN];
00118 size_t id_len;
00119 u8 key[16];
00120 };
00121
00122
00123 struct ft_remote_r1kh {
00124 struct ft_remote_r1kh *next;
00125 u8 addr[ETH_ALEN];
00126 u8 id[FT_R1KH_ID_LEN];
00127 u8 key[16];
00128 };
00129
00130
00131 struct wpa_auth_config {
00132 int wpa;
00133 int wpa_key_mgmt;
00134 int wpa_pairwise;
00135 int wpa_group;
00136 int wpa_group_rekey;
00137 int wpa_strict_rekey;
00138 int wpa_gmk_rekey;
00139 int wpa_ptk_rekey;
00140 int rsn_pairwise;
00141 int rsn_preauth;
00142 int eapol_version;
00143 int peerkey;
00144 int wmm_enabled;
00145 int wmm_uapsd;
00146 int okc;
00147 #ifdef CONFIG_IEEE80211W
00148 enum mfp_options ieee80211w;
00149 #endif
00150 #ifdef CONFIG_IEEE80211R
00151 #define SSID_LEN 32
00152 u8 ssid[SSID_LEN];
00153 size_t ssid_len;
00154 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
00155 u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
00156 size_t r0_key_holder_len;
00157 u8 r1_key_holder[FT_R1KH_ID_LEN];
00158 u32 r0_key_lifetime;
00159 u32 reassociation_deadline;
00160 struct ft_remote_r0kh *r0kh_list;
00161 struct ft_remote_r1kh *r1kh_list;
00162 int pmk_r1_push;
00163 #endif
00164 };
00165
00166 typedef enum {
00167 LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
00168 } logger_level;
00169
00170 typedef enum {
00171 WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
00172 WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
00173 WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
00174 } wpa_eapol_variable;
00175
00176 struct wpa_auth_callbacks {
00177 void *ctx;
00178 void (*logger)(void *ctx, const u8 *addr, logger_level level,
00179 const char *txt);
00180 void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
00181 void (*mic_failure_report)(void *ctx, const u8 *addr);
00182 void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
00183 int value);
00184 int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
00185 const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *prev_psk);
00186 int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
00187 int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg,
00188 const u8 *addr, int idx, u8 *key, size_t key_len);
00189 int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
00190 int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
00191 size_t data_len, int encrypt);
00192 int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
00193 void *ctx), void *cb_ctx);
00194 int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
00195 void *ctx), void *cb_ctx);
00196 int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
00197 size_t data_len);
00198 #ifdef CONFIG_IEEE80211R
00199 struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
00200 int (*send_ft_action)(void *ctx, const u8 *dst,
00201 const u8 *data, size_t data_len);
00202 #endif
00203 };
00204
00205 struct wpa_authenticator * wpa_init(const u8 *addr,
00206 struct wpa_auth_config *conf,
00207 struct wpa_auth_callbacks *cb);
00208 void wpa_deinit(struct wpa_authenticator *wpa_auth);
00209 int wpa_reconfig(struct wpa_authenticator *wpa_auth,
00210 struct wpa_auth_config *conf);
00211
00212 enum {
00213 WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
00214 WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
00215 WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
00216 WPA_INVALID_MDIE, WPA_INVALID_PROTO
00217 };
00218
00219 int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
00220 struct wpa_state_machine *sm,
00221 const u8 *wpa_ie, size_t wpa_ie_len,
00222 const u8 *mdie, size_t mdie_len);
00223 int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
00224 struct wpa_state_machine *
00225 wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr);
00226 int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
00227 struct wpa_state_machine *sm);
00228 void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
00229 void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
00230 void wpa_receive(struct wpa_authenticator *wpa_auth,
00231 struct wpa_state_machine *sm,
00232 u8 *data, size_t data_len);
00233 typedef enum {
00234 WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
00235 WPA_REAUTH_EAPOL, WPA_ASSOC_FT
00236 } wpa_event;
00237 void wpa_remove_ptk(struct wpa_state_machine *sm);
00238 int wpa_auth_sm_event(struct wpa_state_machine *sm, wpa_event event);
00239 void wpa_auth_sm_notify(struct wpa_state_machine *sm);
00240 void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
00241 int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
00242 int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
00243 void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
00244 int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
00245 int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
00246 int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
00247 int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
00248 int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
00249 struct rsn_pmksa_cache_entry *entry);
00250 struct rsn_pmksa_cache_entry *
00251 wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
00252 void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
00253 const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
00254 size_t *len);
00255 int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
00256 int session_timeout, struct eapol_state_machine *eapol);
00257 int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
00258 const u8 *pmk, size_t len, const u8 *sta_addr,
00259 int session_timeout,
00260 struct eapol_state_machine *eapol);
00261 int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
00262
00263 #ifdef CONFIG_IEEE80211R
00264 u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
00265 size_t max_len, int auth_alg,
00266 const u8 *req_ies, size_t req_ies_len);
00267 void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
00268 u16 auth_transaction, const u8 *ies, size_t ies_len,
00269 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
00270 u16 auth_transaction, u16 resp,
00271 const u8 *ies, size_t ies_len),
00272 void *ctx);
00273 u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
00274 size_t ies_len);
00275 int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
00276 int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
00277 const u8 *data, size_t data_len);
00278 void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
00279 #endif
00280
00281 #endif