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wps_i.h
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1 
5 #ifndef WPS_I_H
6 #define WPS_I_H
7 
8 #include "wps.h"
9 #include "wps_attr_parse.h"
10 
11 struct wps_nfc_pw_token;
12 
20 struct wps_data {
25  struct wps_context *wps;
26 
31  int registrar;
32 
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 
85  u8 request_type;
86 
91  u16 encr_type;
92 
97  u16 auth_type;
98 
99  u8 *new_psk;
100  size_t new_psk_len;
101 
102  int wps_pin_revealed;
103  struct wps_credential cred;
104 
105  struct wps_device_data peer_dev;
106 
111  u16 config_error;
112  u16 error_indication;
113 
114  int ext_reg;
115  int int_reg;
116 
117  struct wps_credential *new_ap_settings;
118 
119  void *dh_ctx;
120 
121  void (*ap_settings_cb)(void *ctx, const struct wps_credential *cred);
122  void *ap_settings_cb_ctx;
123 
124  struct wps_credential *use_cred;
125 
126  int use_psk_key;
127  u8 p2p_dev_addr[ETH_ALEN]; /* P2P Device Address of the client or
128  * 00:00:00:00:00:00 if not a P2p client */
129  int pbc_in_m1;
130 
131  struct wps_nfc_pw_token *nfc_pw_token;
132 };
133 
134 
135 /* wps_common.c */
136 void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
137  const char *label, u8 *res, size_t res_len);
138 int wps_derive_keys(struct wps_data *wps);
139 void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
140  size_t dev_passwd_len);
141 struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
142  size_t encr_len);
143 void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg,
144  u16 config_error, u16 error_indication, const u8 *mac_addr);
145 void wps_success_event(struct wps_context *wps, const u8 *mac_addr);
146 void wps_pwd_auth_fail_event(struct wps_context *wps, int enrollee, int part,
147  const u8 *mac_addr);
148 void wps_pbc_overlap_event(struct wps_context *wps);
149 void wps_pbc_timeout_event(struct wps_context *wps);
150 void wps_pbc_active_event(struct wps_context *wps);
151 void wps_pbc_disable_event(struct wps_context *wps);
152 
153 struct wpabuf * wps_build_wsc_ack(struct wps_data *wps);
154 struct wpabuf * wps_build_wsc_nack(struct wps_data *wps);
155 
156 /* wps_attr_build.c */
157 int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg);
158 int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type);
159 int wps_build_resp_type(struct wpabuf *msg, enum wps_response_type type);
160 int wps_build_config_methods(struct wpabuf *msg, u16 methods);
161 int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid);
162 int wps_build_dev_password_id(struct wpabuf *msg, u16 id);
163 int wps_build_config_error(struct wpabuf *msg, u16 err);
164 int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg);
165 int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg);
166 int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
167  struct wpabuf *plain);
168 int wps_build_version(struct wpabuf *msg);
169 int wps_build_wfa_ext(struct wpabuf *msg, int req_to_enroll,
170  const u8 *auth_macs, size_t auth_macs_count);
171 int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type);
172 int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg);
173 int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg);
174 int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg);
175 int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg);
176 int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg);
177 int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg);
178 int wps_build_oob_dev_pw(struct wpabuf *msg, u16 dev_pw_id,
179  const struct wpabuf *pubkey, const u8 *dev_pw,
180  size_t dev_pw_len);
181 struct wpabuf * wps_ie_encapsulate(struct wpabuf *data);
182 int wps_build_mac_addr(struct wpabuf *msg, const u8 *addr);
183 int wps_build_rf_bands_attr(struct wpabuf *msg, u8 rf_bands);
184 int wps_build_ap_channel(struct wpabuf *msg, u16 ap_channel);
185 
186 /* wps_attr_process.c */
187 int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
188  const struct wpabuf *msg);
189 int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
190  const u8 *key_wrap_auth);
191 int wps_process_cred(struct wps_parse_attr *attr,
192  struct wps_credential *cred);
193 int wps_process_ap_settings(struct wps_parse_attr *attr,
194  struct wps_credential *cred);
195 
196 /* wps_enrollee.c */
197 struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps,
198  enum wsc_op_code *op_code);
199 enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps,
200  enum wsc_op_code op_code,
201  const struct wpabuf *msg);
202 
203 /* wps_registrar.c */
204 struct wpabuf * wps_registrar_get_msg(struct wps_data *wps,
205  enum wsc_op_code *op_code);
206 enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
207  enum wsc_op_code op_code,
208  const struct wpabuf *msg);
209 int wps_build_cred(struct wps_data *wps, struct wpabuf *msg);
210 int wps_device_store(struct wps_registrar *reg,
211  struct wps_device_data *dev, const u8 *uuid);
212 void wps_registrar_selected_registrar_changed(struct wps_registrar *reg,
213  u16 dev_pw_id);
214 const u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count);
215 int wps_registrar_pbc_overlap(struct wps_registrar *reg,
216  const u8 *addr, const u8 *uuid_e);
217 void wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg,
218  struct wps_nfc_pw_token *token);
219 int wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr,
220  const u8 *p2p_dev_addr, const u8 *psk, size_t psk_len);
221 
222 #endif /* WPS_I_H */
wps_data
WPS registration protocol data.
Definition: wps_i.h:20
wps_data::wps
struct wps_context * wps
Pointer to long term WPS context.
Definition: wps_i.h:25
wsc_op_code
wsc_op_code
EAP-WSC OP-Code values.
Definition: wps.h:15
wps_data::config_error
u16 config_error
Configuration Error value to be used in NACK.
Definition: wps_i.h:111
wps_registrar
Definition: wps_registrar.c:137
wpabuf
Definition: wpabuf.h:16
wps_data::er
int er
Whether the local end is an external registrar.
Definition: wps_i.h:37
wps_process_res
wps_process_res
WPS message processing result.
Definition: wps.h:205
wps_attr_parse.h
Wi-Fi Protected Setup - attribute parsing.
wps_data::request_type
u8 request_type
Request Type attribute from (Re)AssocReq.
Definition: wps_i.h:85
wps_data::registrar
int registrar
Whether this end is a Registrar.
Definition: wps_i.h:31
wps_registrar_selected_registrar_changed
void wps_registrar_selected_registrar_changed(struct wps_registrar *reg, u16 dev_pw_id)
SetSelectedRegistrar change.
Definition: wps_registrar.c:3448
wps_device_data
WPS Device Data.
Definition: wps.h:82
wps_data::encr_type
u16 encr_type
Available encryption types.
Definition: wps_i.h:91
wps.h
Wi-Fi Protected Setup.
wps_parse_attr
Definition: wps_attr_parse.h:10
wps_credential
WPS Credential.
Definition: wps.h:44
wps_data::auth_type
u16 auth_type
Available authentication types.
Definition: wps_i.h:97
wps_context
Long term WPS context data.
Definition: wps.h:623
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