xref: /freebsd/contrib/wpa/src/wps/wps.h (revision 7661de35d15f582ab33e3bd6b8d909601557e436)
1 /*
2  * Wi-Fi Protected Setup
3  * Copyright (c) 2007-2012, 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_H
10 #define WPS_H
11 
12 #include "wps_defs.h"
13 
14 /**
15  * enum wsc_op_code - EAP-WSC OP-Code values
16  */
17 enum wsc_op_code {
18 	WSC_UPnP = 0 /* No OP Code in UPnP transport */,
19 	WSC_Start = 0x01,
20 	WSC_ACK = 0x02,
21 	WSC_NACK = 0x03,
22 	WSC_MSG = 0x04,
23 	WSC_Done = 0x05,
24 	WSC_FRAG_ACK = 0x06
25 };
26 
27 struct wps_registrar;
28 struct upnp_wps_device_sm;
29 struct wps_er;
30 struct wps_parse_attr;
31 
32 /**
33  * struct wps_credential - WPS Credential
34  * @ssid: SSID
35  * @ssid_len: Length of SSID
36  * @auth_type: Authentication Type (WPS_AUTH_OPEN, .. flags)
37  * @encr_type: Encryption Type (WPS_ENCR_NONE, .. flags)
38  * @key_idx: Key index
39  * @key: Key
40  * @key_len: Key length in octets
41  * @mac_addr: MAC address of the Credential receiver
42  * @cred_attr: Unparsed Credential attribute data (used only in cred_cb());
43  *	this may be %NULL, if not used
44  * @cred_attr_len: Length of cred_attr in octets
45  * @ap_channel: AP channel
46  */
47 struct wps_credential {
48 	u8 ssid[32];
49 	size_t ssid_len;
50 	u16 auth_type;
51 	u16 encr_type;
52 	u8 key_idx;
53 	u8 key[64];
54 	size_t key_len;
55 	u8 mac_addr[ETH_ALEN];
56 	const u8 *cred_attr;
57 	size_t cred_attr_len;
58 	u16 ap_channel;
59 };
60 
61 #define WPS_DEV_TYPE_LEN 8
62 #define WPS_DEV_TYPE_BUFSIZE 21
63 #define WPS_SEC_DEV_TYPE_MAX_LEN 128
64 /* maximum number of advertised WPS vendor extension attributes */
65 #define MAX_WPS_VENDOR_EXTENSIONS 10
66 /* maximum size of WPS Vendor extension attribute */
67 #define WPS_MAX_VENDOR_EXT_LEN 1024
68 /* maximum number of parsed WPS vendor extension attributes */
69 #define MAX_WPS_PARSE_VENDOR_EXT 10
70 
71 /**
72  * struct wps_device_data - WPS Device Data
73  * @mac_addr: Device MAC address
74  * @device_name: Device Name (0..32 octets encoded in UTF-8)
75  * @manufacturer: Manufacturer (0..64 octets encoded in UTF-8)
76  * @model_name: Model Name (0..32 octets encoded in UTF-8)
77  * @model_number: Model Number (0..32 octets encoded in UTF-8)
78  * @serial_number: Serial Number (0..32 octets encoded in UTF-8)
79  * @pri_dev_type: Primary Device Type
80  * @sec_dev_type: Array of secondary device types
81  * @num_sec_dev_type: Number of secondary device types
82  * @os_version: OS Version
83  * @rf_bands: RF bands (WPS_RF_24GHZ, WPS_RF_50GHZ flags)
84  * @p2p: Whether the device is a P2P device
85  */
86 struct wps_device_data {
87 	u8 mac_addr[ETH_ALEN];
88 	char *device_name;
89 	char *manufacturer;
90 	char *model_name;
91 	char *model_number;
92 	char *serial_number;
93 	u8 pri_dev_type[WPS_DEV_TYPE_LEN];
94 #define WPS_SEC_DEVICE_TYPES 5
95 	u8 sec_dev_type[WPS_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
96 	u8 num_sec_dev_types;
97 	u32 os_version;
98 	u8 rf_bands;
99 	u16 config_methods;
100 	struct wpabuf *vendor_ext_m1;
101 	struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
102 
103 	int p2p;
104 };
105 
106 /**
107  * struct wps_config - WPS configuration for a single registration protocol run
108  */
109 struct wps_config {
110 	/**
111 	 * wps - Pointer to long term WPS context
112 	 */
113 	struct wps_context *wps;
114 
115 	/**
116 	 * registrar - Whether this end is a Registrar
117 	 */
118 	int registrar;
119 
120 	/**
121 	 * pin - Enrollee Device Password (%NULL for Registrar or PBC)
122 	 */
123 	const u8 *pin;
124 
125 	/**
126 	 * pin_len - Length on pin in octets
127 	 */
128 	size_t pin_len;
129 
130 	/**
131 	 * pbc - Whether this is protocol run uses PBC
132 	 */
133 	int pbc;
134 
135 	/**
136 	 * assoc_wps_ie: (Re)AssocReq WPS IE (in AP; %NULL if not AP)
137 	 */
138 	const struct wpabuf *assoc_wps_ie;
139 
140 	/**
141 	 * new_ap_settings - New AP settings (%NULL if not used)
142 	 *
143 	 * This parameter provides new AP settings when using a wireless
144 	 * stations as a Registrar to configure the AP. %NULL means that AP
145 	 * will not be reconfigured, i.e., the station will only learn the
146 	 * current AP settings by using AP PIN.
147 	 */
148 	const struct wps_credential *new_ap_settings;
149 
150 	/**
151 	 * peer_addr: MAC address of the peer in AP; %NULL if not AP
152 	 */
153 	const u8 *peer_addr;
154 
155 	/**
156 	 * use_psk_key - Use PSK format key in Credential
157 	 *
158 	 * Force PSK format to be used instead of ASCII passphrase when
159 	 * building Credential for an Enrollee. The PSK value is set in
160 	 * struct wpa_context::psk.
161 	 */
162 	int use_psk_key;
163 
164 	/**
165 	 * dev_pw_id - Device Password ID for Enrollee when PIN is used
166 	 */
167 	u16 dev_pw_id;
168 
169 	/**
170 	 * p2p_dev_addr - P2P Device Address from (Re)Association Request
171 	 *
172 	 * On AP/GO, this is set to the P2P Device Address of the associating
173 	 * P2P client if a P2P IE is included in the (Re)Association Request
174 	 * frame and the P2P Device Address is included. Otherwise, this is set
175 	 * to %NULL to indicate the station does not have a P2P Device Address.
176 	 */
177 	const u8 *p2p_dev_addr;
178 
179 	/**
180 	 * pbc_in_m1 - Do not remove PushButton config method in M1 (AP)
181 	 *
182 	 * This can be used to enable a workaround to allow Windows 7 to use
183 	 * PBC with the AP.
184 	 */
185 	int pbc_in_m1;
186 };
187 
188 struct wps_data * wps_init(const struct wps_config *cfg);
189 
190 void wps_deinit(struct wps_data *data);
191 
192 /**
193  * enum wps_process_res - WPS message processing result
194  */
195 enum wps_process_res {
196 	/**
197 	 * WPS_DONE - Processing done
198 	 */
199 	WPS_DONE,
200 
201 	/**
202 	 * WPS_CONTINUE - Processing continues
203 	 */
204 	WPS_CONTINUE,
205 
206 	/**
207 	 * WPS_FAILURE - Processing failed
208 	 */
209 	WPS_FAILURE,
210 
211 	/**
212 	 * WPS_PENDING - Processing continues, but waiting for an external
213 	 *	event (e.g., UPnP message from an external Registrar)
214 	 */
215 	WPS_PENDING
216 };
217 enum wps_process_res wps_process_msg(struct wps_data *wps,
218 				     enum wsc_op_code op_code,
219 				     const struct wpabuf *msg);
220 
221 struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code);
222 
223 int wps_is_selected_pbc_registrar(const struct wpabuf *msg);
224 int wps_is_selected_pin_registrar(const struct wpabuf *msg);
225 int wps_ap_priority_compar(const struct wpabuf *wps_a,
226 			   const struct wpabuf *wps_b);
227 int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
228 			   int ver1_compat);
229 const u8 * wps_get_uuid_e(const struct wpabuf *msg);
230 int wps_is_20(const struct wpabuf *msg);
231 
232 struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type);
233 struct wpabuf * wps_build_assoc_resp_ie(void);
234 struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev,
235 				       const u8 *uuid,
236 				       enum wps_request_type req_type,
237 				       unsigned int num_req_dev_types,
238 				       const u8 *req_dev_types);
239 
240 
241 /**
242  * struct wps_registrar_config - WPS Registrar configuration
243  */
244 struct wps_registrar_config {
245 	/**
246 	 * new_psk_cb - Callback for new PSK
247 	 * @ctx: Higher layer context data (cb_ctx)
248 	 * @mac_addr: MAC address of the Enrollee
249 	 * @psk: The new PSK
250 	 * @psk_len: The length of psk in octets
251 	 * Returns: 0 on success, -1 on failure
252 	 *
253 	 * This callback is called when a new per-device PSK is provisioned.
254 	 */
255 	int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
256 			  size_t psk_len);
257 
258 	/**
259 	 * set_ie_cb - Callback for WPS IE changes
260 	 * @ctx: Higher layer context data (cb_ctx)
261 	 * @beacon_ie: WPS IE for Beacon
262 	 * @probe_resp_ie: WPS IE for Probe Response
263 	 * Returns: 0 on success, -1 on failure
264 	 *
265 	 * This callback is called whenever the WPS IE in Beacon or Probe
266 	 * Response frames needs to be changed (AP only). Callee is responsible
267 	 * for freeing the buffers.
268 	 */
269 	int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
270 			 struct wpabuf *probe_resp_ie);
271 
272 	/**
273 	 * pin_needed_cb - Callback for requesting a PIN
274 	 * @ctx: Higher layer context data (cb_ctx)
275 	 * @uuid_e: UUID-E of the unknown Enrollee
276 	 * @dev: Device Data from the unknown Enrollee
277 	 *
278 	 * This callback is called whenever an unknown Enrollee requests to use
279 	 * PIN method and a matching PIN (Device Password) is not found in
280 	 * Registrar data.
281 	 */
282 	void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
283 			      const struct wps_device_data *dev);
284 
285 	/**
286 	 * reg_success_cb - Callback for reporting successful registration
287 	 * @ctx: Higher layer context data (cb_ctx)
288 	 * @mac_addr: MAC address of the Enrollee
289 	 * @uuid_e: UUID-E of the Enrollee
290 	 * @dev_pw: Device Password (PIN) used during registration
291 	 * @dev_pw_len: Length of dev_pw in octets
292 	 *
293 	 * This callback is called whenever an Enrollee completes registration
294 	 * successfully.
295 	 */
296 	void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
297 			       const u8 *uuid_e, const u8 *dev_pw,
298 			       size_t dev_pw_len);
299 
300 	/**
301 	 * set_sel_reg_cb - Callback for reporting selected registrar changes
302 	 * @ctx: Higher layer context data (cb_ctx)
303 	 * @sel_reg: Whether the Registrar is selected
304 	 * @dev_passwd_id: Device Password ID to indicate with method or
305 	 *	specific password the Registrar intends to use
306 	 * @sel_reg_config_methods: Bit field of active config methods
307 	 *
308 	 * This callback is called whenever the Selected Registrar state
309 	 * changes (e.g., a new PIN becomes available or PBC is invoked). This
310 	 * callback is only used by External Registrar implementation;
311 	 * set_ie_cb() is used by AP implementation in similar caes, but it
312 	 * provides the full WPS IE data instead of just the minimal Registrar
313 	 * state information.
314 	 */
315 	void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id,
316 			       u16 sel_reg_config_methods);
317 
318 	/**
319 	 * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq
320 	 * @ctx: Higher layer context data (cb_ctx)
321 	 * @addr: MAC address of the Enrollee
322 	 * @uuid_e: UUID of the Enrollee
323 	 * @pri_dev_type: Primary device type
324 	 * @config_methods: Config Methods
325 	 * @dev_password_id: Device Password ID
326 	 * @request_type: Request Type
327 	 * @dev_name: Device Name (if available)
328 	 */
329 	void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e,
330 				 const u8 *pri_dev_type, u16 config_methods,
331 				 u16 dev_password_id, u8 request_type,
332 				 const char *dev_name);
333 
334 	/**
335 	 * cb_ctx: Higher layer context data for Registrar callbacks
336 	 */
337 	void *cb_ctx;
338 
339 	/**
340 	 * skip_cred_build: Do not build credential
341 	 *
342 	 * This option can be used to disable internal code that builds
343 	 * Credential attribute into M8 based on the current network
344 	 * configuration and Enrollee capabilities. The extra_cred data will
345 	 * then be used as the Credential(s).
346 	 */
347 	int skip_cred_build;
348 
349 	/**
350 	 * extra_cred: Additional Credential attribute(s)
351 	 *
352 	 * This optional data (set to %NULL to disable) can be used to add
353 	 * Credential attribute(s) for other networks into M8. If
354 	 * skip_cred_build is set, this will also override the automatically
355 	 * generated Credential attribute.
356 	 */
357 	const u8 *extra_cred;
358 
359 	/**
360 	 * extra_cred_len: Length of extra_cred in octets
361 	 */
362 	size_t extra_cred_len;
363 
364 	/**
365 	 * disable_auto_conf - Disable auto-configuration on first registration
366 	 *
367 	 * By default, the AP that is started in not configured state will
368 	 * generate a random PSK and move to configured state when the first
369 	 * registration protocol run is completed successfully. This option can
370 	 * be used to disable this functionality and leave it up to an external
371 	 * program to take care of configuration. This requires the extra_cred
372 	 * to be set with a suitable Credential and skip_cred_build being used.
373 	 */
374 	int disable_auto_conf;
375 
376 	/**
377 	 * static_wep_only - Whether the BSS supports only static WEP
378 	 */
379 	int static_wep_only;
380 
381 	/**
382 	 * dualband - Whether this is a concurrent dualband AP
383 	 */
384 	int dualband;
385 };
386 
387 
388 /**
389  * enum wps_event - WPS event types
390  */
391 enum wps_event {
392 	/**
393 	 * WPS_EV_M2D - M2D received (Registrar did not know us)
394 	 */
395 	WPS_EV_M2D,
396 
397 	/**
398 	 * WPS_EV_FAIL - Registration failed
399 	 */
400 	WPS_EV_FAIL,
401 
402 	/**
403 	 * WPS_EV_SUCCESS - Registration succeeded
404 	 */
405 	WPS_EV_SUCCESS,
406 
407 	/**
408 	 * WPS_EV_PWD_AUTH_FAIL - Password authentication failed
409 	 */
410 	WPS_EV_PWD_AUTH_FAIL,
411 
412 	/**
413 	 * WPS_EV_PBC_OVERLAP - PBC session overlap detected
414 	 */
415 	WPS_EV_PBC_OVERLAP,
416 
417 	/**
418 	 * WPS_EV_PBC_TIMEOUT - PBC walktime expired before protocol run start
419 	 */
420 	WPS_EV_PBC_TIMEOUT,
421 
422 	/**
423 	 * WPS_EV_ER_AP_ADD - ER: AP added
424 	 */
425 	WPS_EV_ER_AP_ADD,
426 
427 	/**
428 	 * WPS_EV_ER_AP_REMOVE - ER: AP removed
429 	 */
430 	WPS_EV_ER_AP_REMOVE,
431 
432 	/**
433 	 * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added
434 	 */
435 	WPS_EV_ER_ENROLLEE_ADD,
436 
437 	/**
438 	 * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed
439 	 */
440 	WPS_EV_ER_ENROLLEE_REMOVE,
441 
442 	/**
443 	 * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned
444 	 */
445 	WPS_EV_ER_AP_SETTINGS,
446 
447 	/**
448 	 * WPS_EV_ER_SET_SELECTED_REGISTRAR - ER: SetSelectedRegistrar event
449 	 */
450 	WPS_EV_ER_SET_SELECTED_REGISTRAR,
451 
452 	/**
453 	 * WPS_EV_AP_PIN_SUCCESS - External Registrar used correct AP PIN
454 	 */
455 	WPS_EV_AP_PIN_SUCCESS
456 };
457 
458 /**
459  * union wps_event_data - WPS event data
460  */
461 union wps_event_data {
462 	/**
463 	 * struct wps_event_m2d - M2D event data
464 	 */
465 	struct wps_event_m2d {
466 		u16 config_methods;
467 		const u8 *manufacturer;
468 		size_t manufacturer_len;
469 		const u8 *model_name;
470 		size_t model_name_len;
471 		const u8 *model_number;
472 		size_t model_number_len;
473 		const u8 *serial_number;
474 		size_t serial_number_len;
475 		const u8 *dev_name;
476 		size_t dev_name_len;
477 		const u8 *primary_dev_type; /* 8 octets */
478 		u16 config_error;
479 		u16 dev_password_id;
480 	} m2d;
481 
482 	/**
483 	 * struct wps_event_fail - Registration failure information
484 	 * @msg: enum wps_msg_type
485 	 */
486 	struct wps_event_fail {
487 		int msg;
488 		u16 config_error;
489 		u16 error_indication;
490 	} fail;
491 
492 	struct wps_event_pwd_auth_fail {
493 		int enrollee;
494 		int part;
495 	} pwd_auth_fail;
496 
497 	struct wps_event_er_ap {
498 		const u8 *uuid;
499 		const u8 *mac_addr;
500 		const char *friendly_name;
501 		const char *manufacturer;
502 		const char *manufacturer_url;
503 		const char *model_description;
504 		const char *model_name;
505 		const char *model_number;
506 		const char *model_url;
507 		const char *serial_number;
508 		const char *upc;
509 		const u8 *pri_dev_type;
510 		u8 wps_state;
511 	} ap;
512 
513 	struct wps_event_er_enrollee {
514 		const u8 *uuid;
515 		const u8 *mac_addr;
516 		int m1_received;
517 		u16 config_methods;
518 		u16 dev_passwd_id;
519 		const u8 *pri_dev_type;
520 		const char *dev_name;
521 		const char *manufacturer;
522 		const char *model_name;
523 		const char *model_number;
524 		const char *serial_number;
525 	} enrollee;
526 
527 	struct wps_event_er_ap_settings {
528 		const u8 *uuid;
529 		const struct wps_credential *cred;
530 	} ap_settings;
531 
532 	struct wps_event_er_set_selected_registrar {
533 		const u8 *uuid;
534 		int sel_reg;
535 		u16 dev_passwd_id;
536 		u16 sel_reg_config_methods;
537 		enum {
538 			WPS_ER_SET_SEL_REG_START,
539 			WPS_ER_SET_SEL_REG_DONE,
540 			WPS_ER_SET_SEL_REG_FAILED
541 		} state;
542 	} set_sel_reg;
543 };
544 
545 /**
546  * struct upnp_pending_message - Pending PutWLANResponse messages
547  * @next: Pointer to next pending message or %NULL
548  * @addr: NewWLANEventMAC
549  * @msg: NewMessage
550  * @type: Message Type
551  */
552 struct upnp_pending_message {
553 	struct upnp_pending_message *next;
554 	u8 addr[ETH_ALEN];
555 	struct wpabuf *msg;
556 	enum wps_msg_type type;
557 };
558 
559 /**
560  * struct wps_context - Long term WPS context data
561  *
562  * This data is stored at the higher layer Authenticator or Supplicant data
563  * structures and it is maintained over multiple registration protocol runs.
564  */
565 struct wps_context {
566 	/**
567 	 * ap - Whether the local end is an access point
568 	 */
569 	int ap;
570 
571 	/**
572 	 * registrar - Pointer to WPS registrar data from wps_registrar_init()
573 	 */
574 	struct wps_registrar *registrar;
575 
576 	/**
577 	 * wps_state - Current WPS state
578 	 */
579 	enum wps_state wps_state;
580 
581 	/**
582 	 * ap_setup_locked - Whether AP setup is locked (only used at AP)
583 	 */
584 	int ap_setup_locked;
585 
586 	/**
587 	 * uuid - Own UUID
588 	 */
589 	u8 uuid[16];
590 
591 	/**
592 	 * ssid - SSID
593 	 *
594 	 * This SSID is used by the Registrar to fill in information for
595 	 * Credentials. In addition, AP uses it when acting as an Enrollee to
596 	 * notify Registrar of the current configuration.
597 	 */
598 	u8 ssid[32];
599 
600 	/**
601 	 * ssid_len - Length of ssid in octets
602 	 */
603 	size_t ssid_len;
604 
605 	/**
606 	 * dev - Own WPS device data
607 	 */
608 	struct wps_device_data dev;
609 
610 	/**
611 	 * dh_ctx - Context data for Diffie-Hellman operation
612 	 */
613 	void *dh_ctx;
614 
615 	/**
616 	 * dh_privkey - Diffie-Hellman private key
617 	 */
618 	struct wpabuf *dh_privkey;
619 
620 	/**
621 	 * dh_pubkey_oob - Diffie-Hellman public key
622 	 */
623 	struct wpabuf *dh_pubkey;
624 
625 	/**
626 	 * config_methods - Enabled configuration methods
627 	 *
628 	 * Bit field of WPS_CONFIG_*
629 	 */
630 	u16 config_methods;
631 
632 	/**
633 	 * encr_types - Enabled encryption types (bit field of WPS_ENCR_*)
634 	 */
635 	u16 encr_types;
636 
637 	/**
638 	 * auth_types - Authentication types (bit field of WPS_AUTH_*)
639 	 */
640 	u16 auth_types;
641 
642 	/**
643 	 * network_key - The current Network Key (PSK) or %NULL to generate new
644 	 *
645 	 * If %NULL, Registrar will generate per-device PSK. In addition, AP
646 	 * uses this when acting as an Enrollee to notify Registrar of the
647 	 * current configuration.
648 	 *
649 	 * When using WPA/WPA2-Person, this key can be either the ASCII
650 	 * passphrase (8..63 characters) or the 32-octet PSK (64 hex
651 	 * characters). When this is set to the ASCII passphrase, the PSK can
652 	 * be provided in the psk buffer and used per-Enrollee to control which
653 	 * key type is included in the Credential (e.g., to reduce calculation
654 	 * need on low-powered devices by provisioning PSK while still allowing
655 	 * other devices to get the passphrase).
656 	 */
657 	u8 *network_key;
658 
659 	/**
660 	 * network_key_len - Length of network_key in octets
661 	 */
662 	size_t network_key_len;
663 
664 	/**
665 	 * psk - The current network PSK
666 	 *
667 	 * This optional value can be used to provide the current PSK if
668 	 * network_key is set to the ASCII passphrase.
669 	 */
670 	u8 psk[32];
671 
672 	/**
673 	 * psk_set - Whether psk value is set
674 	 */
675 	int psk_set;
676 
677 	/**
678 	 * ap_settings - AP Settings override for M7 (only used at AP)
679 	 *
680 	 * If %NULL, AP Settings attributes will be generated based on the
681 	 * current network configuration.
682 	 */
683 	u8 *ap_settings;
684 
685 	/**
686 	 * ap_settings_len - Length of ap_settings in octets
687 	 */
688 	size_t ap_settings_len;
689 
690 	/**
691 	 * friendly_name - Friendly Name (required for UPnP)
692 	 */
693 	char *friendly_name;
694 
695 	/**
696 	 * manufacturer_url - Manufacturer URL (optional for UPnP)
697 	 */
698 	char *manufacturer_url;
699 
700 	/**
701 	 * model_description - Model Description (recommended for UPnP)
702 	 */
703 	char *model_description;
704 
705 	/**
706 	 * model_url - Model URL (optional for UPnP)
707 	 */
708 	char *model_url;
709 
710 	/**
711 	 * upc - Universal Product Code (optional for UPnP)
712 	 */
713 	char *upc;
714 
715 	/**
716 	 * cred_cb - Callback to notify that new Credentials were received
717 	 * @ctx: Higher layer context data (cb_ctx)
718 	 * @cred: The received Credential
719 	 * Return: 0 on success, -1 on failure
720 	 */
721 	int (*cred_cb)(void *ctx, const struct wps_credential *cred);
722 
723 	/**
724 	 * event_cb - Event callback (state information about progress)
725 	 * @ctx: Higher layer context data (cb_ctx)
726 	 * @event: Event type
727 	 * @data: Event data
728 	 */
729 	void (*event_cb)(void *ctx, enum wps_event event,
730 			 union wps_event_data *data);
731 
732 	/**
733 	 * cb_ctx: Higher layer context data for callbacks
734 	 */
735 	void *cb_ctx;
736 
737 	struct upnp_wps_device_sm *wps_upnp;
738 
739 	/* Pending messages from UPnP PutWLANResponse */
740 	struct upnp_pending_message *upnp_msgs;
741 
742 	u16 ap_nfc_dev_pw_id;
743 	struct wpabuf *ap_nfc_dh_pubkey;
744 	struct wpabuf *ap_nfc_dh_privkey;
745 	struct wpabuf *ap_nfc_dev_pw;
746 };
747 
748 struct wps_registrar *
749 wps_registrar_init(struct wps_context *wps,
750 		   const struct wps_registrar_config *cfg);
751 void wps_registrar_deinit(struct wps_registrar *reg);
752 int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr,
753 			  const u8 *uuid, const u8 *pin, size_t pin_len,
754 			  int timeout);
755 int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
756 int wps_registrar_wps_cancel(struct wps_registrar *reg);
757 int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
758 int wps_registrar_button_pushed(struct wps_registrar *reg,
759 				const u8 *p2p_dev_addr);
760 void wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e,
761 			    const u8 *dev_pw, size_t dev_pw_len);
762 void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
763 				const struct wpabuf *wps_data,
764 				int p2p_wildcard);
765 int wps_registrar_update_ie(struct wps_registrar *reg);
766 int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
767 			   char *buf, size_t buflen);
768 int wps_registrar_config_ap(struct wps_registrar *reg,
769 			    struct wps_credential *cred);
770 int wps_registrar_add_nfc_pw_token(struct wps_registrar *reg,
771 				   const u8 *pubkey_hash, u16 pw_id,
772 				   const u8 *dev_pw, size_t dev_pw_len);
773 int wps_registrar_add_nfc_password_token(struct wps_registrar *reg,
774 					 const u8 *oob_dev_pw,
775 					 size_t oob_dev_pw_len);
776 
777 int wps_build_credential_wrap(struct wpabuf *msg,
778 			      const struct wps_credential *cred);
779 
780 unsigned int wps_pin_checksum(unsigned int pin);
781 unsigned int wps_pin_valid(unsigned int pin);
782 unsigned int wps_generate_pin(void);
783 int wps_pin_str_valid(const char *pin);
784 void wps_free_pending_msgs(struct upnp_pending_message *msgs);
785 
786 struct wpabuf * wps_get_oob_cred(struct wps_context *wps);
787 int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr);
788 int wps_attr_text(struct wpabuf *data, char *buf, char *end);
789 
790 struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname,
791 			    const char *filter);
792 void wps_er_refresh(struct wps_er *er);
793 void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx);
794 void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
795 			u16 sel_reg_config_methods);
796 int wps_er_pbc(struct wps_er *er, const u8 *uuid);
797 int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
798 		 size_t pin_len);
799 int wps_er_set_config(struct wps_er *er, const u8 *uuid,
800 		      const struct wps_credential *cred);
801 int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
802 		  size_t pin_len, const struct wps_credential *cred);
803 struct wpabuf * wps_er_nfc_config_token(struct wps_er *er, const u8 *uuid);
804 
805 int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]);
806 char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
807 			    size_t buf_len);
808 void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid);
809 u16 wps_config_methods_str2bin(const char *str);
810 struct wpabuf * wps_build_nfc_pw_token(u16 dev_pw_id,
811 				       const struct wpabuf *pubkey,
812 				       const struct wpabuf *dev_pw);
813 struct wpabuf * wps_nfc_token_gen(int ndef, int *id, struct wpabuf **pubkey,
814 				  struct wpabuf **privkey,
815 				  struct wpabuf **dev_pw);
816 
817 /* ndef.c */
818 struct wpabuf * ndef_parse_wifi(const struct wpabuf *buf);
819 struct wpabuf * ndef_build_wifi(const struct wpabuf *buf);
820 struct wpabuf * ndef_build_wifi_hr(void);
821 
822 #ifdef CONFIG_WPS_STRICT
823 int wps_validate_beacon(const struct wpabuf *wps_ie);
824 int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe,
825 				   const u8 *addr);
826 int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr);
827 int wps_validate_assoc_req(const struct wpabuf *wps_ie);
828 int wps_validate_assoc_resp(const struct wpabuf *wps_ie);
829 int wps_validate_m1(const struct wpabuf *tlvs);
830 int wps_validate_m2(const struct wpabuf *tlvs);
831 int wps_validate_m2d(const struct wpabuf *tlvs);
832 int wps_validate_m3(const struct wpabuf *tlvs);
833 int wps_validate_m4(const struct wpabuf *tlvs);
834 int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2);
835 int wps_validate_m5(const struct wpabuf *tlvs);
836 int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2);
837 int wps_validate_m6(const struct wpabuf *tlvs);
838 int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2);
839 int wps_validate_m7(const struct wpabuf *tlvs);
840 int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2);
841 int wps_validate_m8(const struct wpabuf *tlvs);
842 int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2);
843 int wps_validate_wsc_ack(const struct wpabuf *tlvs);
844 int wps_validate_wsc_nack(const struct wpabuf *tlvs);
845 int wps_validate_wsc_done(const struct wpabuf *tlvs);
846 int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs);
847 #else /* CONFIG_WPS_STRICT */
848 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){
849 	return 0;
850 }
851 
852 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie,
853 						 int probe, const u8 *addr)
854 {
855 	return 0;
856 }
857 
858 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie,
859 					 const u8 *addr)
860 {
861 	return 0;
862 }
863 
864 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie)
865 {
866 	return 0;
867 }
868 
869 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
870 {
871 	return 0;
872 }
873 
874 static inline int wps_validate_m1(const struct wpabuf *tlvs)
875 {
876 	return 0;
877 }
878 
879 static inline int wps_validate_m2(const struct wpabuf *tlvs)
880 {
881 	return 0;
882 }
883 
884 static inline int wps_validate_m2d(const struct wpabuf *tlvs)
885 {
886 	return 0;
887 }
888 
889 static inline int wps_validate_m3(const struct wpabuf *tlvs)
890 {
891 	return 0;
892 }
893 
894 static inline int wps_validate_m4(const struct wpabuf *tlvs)
895 {
896 	return 0;
897 }
898 
899 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2)
900 {
901 	return 0;
902 }
903 
904 static inline int wps_validate_m5(const struct wpabuf *tlvs)
905 {
906 	return 0;
907 }
908 
909 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2)
910 {
911 	return 0;
912 }
913 
914 static inline int wps_validate_m6(const struct wpabuf *tlvs)
915 {
916 	return 0;
917 }
918 
919 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2)
920 {
921 	return 0;
922 }
923 
924 static inline int wps_validate_m7(const struct wpabuf *tlvs)
925 {
926 	return 0;
927 }
928 
929 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap,
930 				       int wps2)
931 {
932 	return 0;
933 }
934 
935 static inline int wps_validate_m8(const struct wpabuf *tlvs)
936 {
937 	return 0;
938 }
939 
940 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap,
941 				       int wps2)
942 {
943 	return 0;
944 }
945 
946 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs)
947 {
948 	return 0;
949 }
950 
951 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs)
952 {
953 	return 0;
954 }
955 
956 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs)
957 {
958 	return 0;
959 }
960 
961 static inline int wps_validate_upnp_set_selected_registrar(
962 	const struct wpabuf *tlvs)
963 {
964 	return 0;
965 }
966 #endif /* CONFIG_WPS_STRICT */
967 
968 #endif /* WPS_H */
969