Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / src / wps / wps_i.h
1 /*
2  * Wi-Fi Protected Setup - internal definitions
3  * Copyright (c) 2008-2012, 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 WPS_I_H
10 #define WPS_I_H
11
12 #include "wps.h"
13 #include "wps_attr_parse.h"
14
15 struct wps_nfc_pw_token;
16
17 /**
18  * struct wps_data - WPS registration protocol data
19  *
20  * This data is stored at the EAP-WSC server/peer method and it is kept for a
21  * single registration protocol run.
22  */
23 struct wps_data {
24         /**
25          * wps - Pointer to long term WPS context
26          */
27         struct wps_context *wps;
28
29         /**
30          * registrar - Whether this end is a Registrar
31          */
32         int registrar;
33
34         /**
35          * er - Whether the local end is an external registrar
36          */
37         int er;
38
39         enum {
40                 /* Enrollee states */
41                 SEND_M1, RECV_M2, SEND_M3, RECV_M4, SEND_M5, RECV_M6, SEND_M7,
42                 RECV_M8, RECEIVED_M2D, WPS_MSG_DONE, RECV_ACK, WPS_FINISHED,
43                 SEND_WSC_NACK,
44
45                 /* Registrar states */
46                 RECV_M1, SEND_M2, RECV_M3, SEND_M4, RECV_M5, SEND_M6,
47                 RECV_M7, SEND_M8, RECV_DONE, SEND_M2D, RECV_M2D_ACK
48         } state;
49
50         u8 uuid_e[WPS_UUID_LEN];
51         u8 uuid_r[WPS_UUID_LEN];
52         u8 mac_addr_e[ETH_ALEN];
53         u8 nonce_e[WPS_NONCE_LEN];
54         u8 nonce_r[WPS_NONCE_LEN];
55         u8 psk1[WPS_PSK_LEN];
56         u8 psk2[WPS_PSK_LEN];
57         u8 snonce[2 * WPS_SECRET_NONCE_LEN];
58         u8 peer_hash1[WPS_HASH_LEN];
59         u8 peer_hash2[WPS_HASH_LEN];
60
61         struct wpabuf *dh_privkey;
62         struct wpabuf *dh_pubkey_e;
63         struct wpabuf *dh_pubkey_r;
64         u8 authkey[WPS_AUTHKEY_LEN];
65         u8 keywrapkey[WPS_KEYWRAPKEY_LEN];
66         u8 emsk[WPS_EMSK_LEN];
67
68         struct wpabuf *last_msg;
69
70         u8 *dev_password;
71         size_t dev_password_len;
72         u16 dev_pw_id;
73         int pbc;
74         u8 *alt_dev_password;
75         size_t alt_dev_password_len;
76         u16 alt_dev_pw_id;
77
78         u8 peer_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
79         int peer_pubkey_hash_set;
80
81         /**
82          * request_type - Request Type attribute from (Re)AssocReq
83          */
84         u8 request_type;
85
86         /**
87          * encr_type - Available encryption types
88          */
89         u16 encr_type;
90
91         /**
92          * auth_type - Available authentication types
93          */
94         u16 auth_type;
95
96         u8 *new_psk;
97         size_t new_psk_len;
98
99         int wps_pin_revealed;
100         struct wps_credential cred;
101
102         struct wps_device_data peer_dev;
103
104         /**
105          * config_error - Configuration Error value to be used in NACK
106          */
107         u16 config_error;
108         u16 error_indication;
109
110         int ext_reg;
111         int int_reg;
112
113         struct wps_credential *new_ap_settings;
114
115         void *dh_ctx;
116
117         void (*ap_settings_cb)(void *ctx, const struct wps_credential *cred);
118         void *ap_settings_cb_ctx;
119
120         struct wps_credential *use_cred;
121
122         int use_psk_key;
123         u8 p2p_dev_addr[ETH_ALEN]; /* P2P Device Address of the client or
124                                     * 00:00:00:00:00:00 if not a P2p client */
125         int pbc_in_m1;
126
127         struct wps_nfc_pw_token *nfc_pw_token;
128 };
129
130
131 /* wps_common.c */
132 void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
133              const char *label, u8 *res, size_t res_len);
134 int wps_derive_keys(struct wps_data *wps);
135 void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
136                     size_t dev_passwd_len);
137 struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
138                                           size_t encr_len);
139 void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg,
140                     u16 config_error, u16 error_indication, const u8 *mac_addr);
141 void wps_success_event(struct wps_context *wps, const u8 *mac_addr);
142 void wps_pwd_auth_fail_event(struct wps_context *wps, int enrollee, int part,
143                              const u8 *mac_addr);
144 void wps_pbc_overlap_event(struct wps_context *wps);
145 void wps_pbc_timeout_event(struct wps_context *wps);
146 void wps_pbc_active_event(struct wps_context *wps);
147 void wps_pbc_disable_event(struct wps_context *wps);
148
149 struct wpabuf * wps_build_wsc_ack(struct wps_data *wps);
150 struct wpabuf * wps_build_wsc_nack(struct wps_data *wps);
151
152 /* wps_attr_build.c */
153 int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg);
154 int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type);
155 int wps_build_resp_type(struct wpabuf *msg, enum wps_response_type type);
156 int wps_build_config_methods(struct wpabuf *msg, u16 methods);
157 int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid);
158 int wps_build_dev_password_id(struct wpabuf *msg, u16 id);
159 int wps_build_config_error(struct wpabuf *msg, u16 err);
160 int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg);
161 int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg);
162 int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
163                             struct wpabuf *plain);
164 int wps_build_version(struct wpabuf *msg);
165 int wps_build_wfa_ext(struct wpabuf *msg, int req_to_enroll,
166                       const u8 *auth_macs, size_t auth_macs_count);
167 int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type);
168 int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg);
169 int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg);
170 int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg);
171 int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg);
172 int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg);
173 int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg);
174 int wps_build_oob_dev_pw(struct wpabuf *msg, u16 dev_pw_id,
175                          const struct wpabuf *pubkey, const u8 *dev_pw,
176                          size_t dev_pw_len);
177 struct wpabuf * wps_ie_encapsulate(struct wpabuf *data);
178 int wps_build_mac_addr(struct wpabuf *msg, const u8 *addr);
179 int wps_build_rf_bands_attr(struct wpabuf *msg, u8 rf_bands);
180 int wps_build_ap_channel(struct wpabuf *msg, u16 ap_channel);
181
182 /* wps_attr_process.c */
183 int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
184                               const struct wpabuf *msg);
185 int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
186                               const u8 *key_wrap_auth);
187 int wps_process_cred(struct wps_parse_attr *attr,
188                      struct wps_credential *cred);
189 int wps_process_ap_settings(struct wps_parse_attr *attr,
190                             struct wps_credential *cred);
191
192 /* wps_enrollee.c */
193 struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps,
194                                      enum wsc_op_code *op_code);
195 enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps,
196                                               enum wsc_op_code op_code,
197                                               const struct wpabuf *msg);
198
199 /* wps_registrar.c */
200 struct wpabuf * wps_registrar_get_msg(struct wps_data *wps,
201                                       enum wsc_op_code *op_code);
202 enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
203                                                enum wsc_op_code op_code,
204                                                const struct wpabuf *msg);
205 int wps_build_cred(struct wps_data *wps, struct wpabuf *msg);
206 int wps_device_store(struct wps_registrar *reg,
207                      struct wps_device_data *dev, const u8 *uuid);
208 void wps_registrar_selected_registrar_changed(struct wps_registrar *reg,
209                                               u16 dev_pw_id);
210 const u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count);
211 int wps_registrar_pbc_overlap(struct wps_registrar *reg,
212                               const u8 *addr, const u8 *uuid_e);
213 void wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg,
214                                        struct wps_nfc_pw_token *token);
215
216 #endif /* WPS_I_H */