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00015 #ifndef WPS_I_H
00016 #define WPS_I_H
00017
00018 #include "wps.h"
00019
00026 struct wps_data {
00030 struct wps_context *wps;
00031
00035 int registrar;
00036
00040 int er;
00041
00042 enum {
00043
00044 SEND_M1, RECV_M2, SEND_M3, RECV_M4, SEND_M5, RECV_M6, SEND_M7,
00045 RECV_M8, RECEIVED_M2D, WPS_MSG_DONE, RECV_ACK, WPS_FINISHED,
00046 SEND_WSC_NACK,
00047
00048
00049 RECV_M1, SEND_M2, RECV_M3, SEND_M4, RECV_M5, SEND_M6,
00050 RECV_M7, SEND_M8, RECV_DONE, SEND_M2D, RECV_M2D_ACK
00051 } state;
00052
00053 u8 uuid_e[WPS_UUID_LEN];
00054 u8 uuid_r[WPS_UUID_LEN];
00055 u8 mac_addr_e[ETH_ALEN];
00056 u8 nonce_e[WPS_NONCE_LEN];
00057 u8 nonce_r[WPS_NONCE_LEN];
00058 u8 psk1[WPS_PSK_LEN];
00059 u8 psk2[WPS_PSK_LEN];
00060 u8 snonce[2 * WPS_SECRET_NONCE_LEN];
00061 u8 peer_hash1[WPS_HASH_LEN];
00062 u8 peer_hash2[WPS_HASH_LEN];
00063
00064 struct wpabuf *dh_privkey;
00065 struct wpabuf *dh_pubkey_e;
00066 struct wpabuf *dh_pubkey_r;
00067 u8 authkey[WPS_AUTHKEY_LEN];
00068 u8 keywrapkey[WPS_KEYWRAPKEY_LEN];
00069 u8 emsk[WPS_EMSK_LEN];
00070
00071 struct wpabuf *last_msg;
00072
00073 u8 *dev_password;
00074 size_t dev_password_len;
00075 u16 dev_pw_id;
00076 int pbc;
00077
00081 u8 request_type;
00082
00086 u16 encr_type;
00087
00091 u16 auth_type;
00092
00093 u8 *new_psk;
00094 size_t new_psk_len;
00095
00096 int wps_pin_revealed;
00097 struct wps_credential cred;
00098
00099 struct wps_device_data peer_dev;
00100
00104 u16 config_error;
00105
00106 int ext_reg;
00107 int int_reg;
00108
00109 struct wps_credential *new_ap_settings;
00110
00111 void *dh_ctx;
00112
00113 void (*ap_settings_cb)(void *ctx, const struct wps_credential *cred);
00114 void *ap_settings_cb_ctx;
00115
00116 struct wps_credential *use_cred;
00117
00118 int use_psk_key;
00119 };
00120
00121
00122 struct wps_parse_attr {
00123
00124 const u8 *version;
00125 const u8 *msg_type;
00126 const u8 *enrollee_nonce;
00127 const u8 *registrar_nonce;
00128 const u8 *uuid_r;
00129 const u8 *uuid_e;
00130 const u8 *auth_type_flags;
00131 const u8 *encr_type_flags;
00132 const u8 *conn_type_flags;
00133 const u8 *config_methods;
00134 const u8 *sel_reg_config_methods;
00135 const u8 *primary_dev_type;
00136 const u8 *rf_bands;
00137 const u8 *assoc_state;
00138 const u8 *config_error;
00139 const u8 *dev_password_id;
00140 const u8 *oob_dev_password;
00141
00142 const u8 *os_version;
00143 const u8 *wps_state;
00144 const u8 *authenticator;
00145 const u8 *r_hash1;
00146 const u8 *r_hash2;
00147 const u8 *e_hash1;
00148 const u8 *e_hash2;
00149 const u8 *r_snonce1;
00150 const u8 *r_snonce2;
00151 const u8 *e_snonce1;
00152 const u8 *e_snonce2;
00153 const u8 *key_wrap_auth;
00154 const u8 *auth_type;
00155 const u8 *encr_type;
00156 const u8 *network_idx;
00157 const u8 *network_key_idx;
00158 const u8 *mac_addr;
00159 const u8 *key_prov_auto;
00160 const u8 *dot1x_enabled;
00161 const u8 *selected_registrar;
00162 const u8 *request_type;
00163 const u8 *response_type;
00164 const u8 *ap_setup_locked;
00165
00166
00167 const u8 *manufacturer;
00168 size_t manufacturer_len;
00169 const u8 *model_name;
00170 size_t model_name_len;
00171 const u8 *model_number;
00172 size_t model_number_len;
00173 const u8 *serial_number;
00174 size_t serial_number_len;
00175 const u8 *dev_name;
00176 size_t dev_name_len;
00177 const u8 *public_key;
00178 size_t public_key_len;
00179 const u8 *encr_settings;
00180 size_t encr_settings_len;
00181 const u8 *ssid;
00182 size_t ssid_len;
00183 const u8 *network_key;
00184 size_t network_key_len;
00185 const u8 *eap_type;
00186 size_t eap_type_len;
00187 const u8 *eap_identity;
00188 size_t eap_identity_len;
00189
00190
00191 #define MAX_CRED_COUNT 10
00192 const u8 *cred[MAX_CRED_COUNT];
00193 size_t cred_len[MAX_CRED_COUNT];
00194 size_t num_cred;
00195 };
00196
00197
00198 void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
00199 const char *label, u8 *res, size_t res_len);
00200 int wps_derive_keys(struct wps_data *wps);
00201 void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
00202 size_t dev_passwd_len);
00203 struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
00204 size_t encr_len);
00205 void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg);
00206 void wps_success_event(struct wps_context *wps);
00207 void wps_pwd_auth_fail_event(struct wps_context *wps, int enrollee, int part);
00208 void wps_pbc_overlap_event(struct wps_context *wps);
00209 void wps_pbc_timeout_event(struct wps_context *wps);
00210
00211 extern struct oob_device_data oob_ufd_device_data;
00212 extern struct oob_device_data oob_nfc_device_data;
00213 extern struct oob_nfc_device_data oob_nfc_pn531_device_data;
00214
00215
00216 int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr);
00217
00218
00219 int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg);
00220 int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type);
00221 int wps_build_config_methods(struct wpabuf *msg, u16 methods);
00222 int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid);
00223 int wps_build_dev_password_id(struct wpabuf *msg, u16 id);
00224 int wps_build_config_error(struct wpabuf *msg, u16 err);
00225 int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg);
00226 int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg);
00227 int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
00228 struct wpabuf *plain);
00229 int wps_build_version(struct wpabuf *msg);
00230 int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type);
00231 int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg);
00232 int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg);
00233 int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg);
00234 int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg);
00235 int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg);
00236 int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg);
00237 int wps_build_oob_dev_password(struct wpabuf *msg, struct wps_context *wps);
00238
00239
00240 int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
00241 const struct wpabuf *msg);
00242 int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
00243 const u8 *key_wrap_auth);
00244 int wps_process_cred(struct wps_parse_attr *attr,
00245 struct wps_credential *cred);
00246 int wps_process_ap_settings(struct wps_parse_attr *attr,
00247 struct wps_credential *cred);
00248
00249
00250 struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps,
00251 enum wsc_op_code *op_code);
00252 enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps,
00253 enum wsc_op_code op_code,
00254 const struct wpabuf *msg);
00255
00256
00257 struct wpabuf * wps_registrar_get_msg(struct wps_data *wps,
00258 enum wsc_op_code *op_code);
00259 enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
00260 enum wsc_op_code op_code,
00261 const struct wpabuf *msg);
00262 int wps_build_cred(struct wps_data *wps, struct wpabuf *msg);
00263 int wps_device_store(struct wps_registrar *reg,
00264 struct wps_device_data *dev, const u8 *uuid);
00265 void wps_registrar_selected_registrar_changed(struct wps_registrar *reg);
00266
00267
00268 struct wpabuf * ndef_parse_wifi(struct wpabuf *buf);
00269 struct wpabuf * ndef_build_wifi(struct wpabuf *buf);
00270
00271 static inline int wps_version_supported(const u8 *version)
00272 {
00273
00274 return version && (*version & 0xf0) == (WPS_VERSION & 0xf0);
00275 }
00276
00277 #endif