wps.h revision f86232838cf712377867cb42417c1613ab5dc425
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 */
17enum 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
27struct wps_registrar;
28struct upnp_wps_device_sm;
29struct wps_er;
30struct 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 */
47struct 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 */
86struct 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 */
109struct 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
188struct wps_data * wps_init(const struct wps_config *cfg);
189
190void wps_deinit(struct wps_data *data);
191
192/**
193 * enum wps_process_res - WPS message processing result
194 */
195enum 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};
217enum wps_process_res wps_process_msg(struct wps_data *wps,
218				     enum wsc_op_code op_code,
219				     const struct wpabuf *msg);
220
221struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code);
222
223int wps_is_selected_pbc_registrar(const struct wpabuf *msg);
224int wps_is_selected_pin_registrar(const struct wpabuf *msg);
225int wps_ap_priority_compar(const struct wpabuf *wps_a,
226			   const struct wpabuf *wps_b);
227int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
228			   int ver1_compat);
229const u8 * wps_get_uuid_e(const struct wpabuf *msg);
230int wps_is_20(const struct wpabuf *msg);
231
232struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type);
233struct wpabuf * wps_build_assoc_resp_ie(void);
234struct 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 */
244struct 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 */
391enum 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 */
461union 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 */
552struct 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 */
565struct 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
748struct wps_registrar *
749wps_registrar_init(struct wps_context *wps,
750		   const struct wps_registrar_config *cfg);
751void wps_registrar_deinit(struct wps_registrar *reg);
752int 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);
755int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
756int wps_registrar_wps_cancel(struct wps_registrar *reg);
757int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
758int wps_registrar_button_pushed(struct wps_registrar *reg,
759				const u8 *p2p_dev_addr);
760void wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e,
761			    const u8 *dev_pw, size_t dev_pw_len);
762void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
763				const struct wpabuf *wps_data,
764				int p2p_wildcard);
765int wps_registrar_update_ie(struct wps_registrar *reg);
766int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
767			   char *buf, size_t buflen);
768int wps_registrar_config_ap(struct wps_registrar *reg,
769			    struct wps_credential *cred);
770int 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);
773int wps_registrar_add_nfc_password_token(struct wps_registrar *reg,
774					 const u8 *oob_dev_pw,
775					 size_t oob_dev_pw_len);
776
777int wps_build_credential_wrap(struct wpabuf *msg,
778			      const struct wps_credential *cred);
779
780unsigned int wps_pin_checksum(unsigned int pin);
781unsigned int wps_pin_valid(unsigned int pin);
782unsigned int wps_generate_pin(void);
783int wps_pin_str_valid(const char *pin);
784void wps_free_pending_msgs(struct upnp_pending_message *msgs);
785
786struct wpabuf * wps_get_oob_cred(struct wps_context *wps);
787int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr);
788int wps_attr_text(struct wpabuf *data, char *buf, char *end);
789
790struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname,
791			    const char *filter);
792void wps_er_refresh(struct wps_er *er);
793void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx);
794void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
795			u16 sel_reg_config_methods);
796int wps_er_pbc(struct wps_er *er, const u8 *uuid);
797int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
798		 size_t pin_len);
799int wps_er_set_config(struct wps_er *er, const u8 *uuid,
800		      const struct wps_credential *cred);
801int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
802		  size_t pin_len, const struct wps_credential *cred);
803struct wpabuf * wps_er_nfc_config_token(struct wps_er *er, const u8 *uuid);
804
805int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]);
806char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
807			    size_t buf_len);
808void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid);
809u16 wps_config_methods_str2bin(const char *str);
810struct wpabuf * wps_build_nfc_pw_token(u16 dev_pw_id,
811				       const struct wpabuf *pubkey,
812				       const struct wpabuf *dev_pw);
813struct wpabuf * wps_nfc_token_build(int ndef, int id, struct wpabuf *pubkey,
814				    struct wpabuf *dev_pw);
815struct wpabuf * wps_nfc_token_gen(int ndef, int *id, struct wpabuf **pubkey,
816				  struct wpabuf **privkey,
817				  struct wpabuf **dev_pw);
818
819/* ndef.c */
820struct wpabuf * ndef_parse_wifi(const struct wpabuf *buf);
821struct wpabuf * ndef_build_wifi(const struct wpabuf *buf);
822struct wpabuf * ndef_build_wifi_hc(int begin);
823struct wpabuf * ndef_build_wifi_hr(void);
824
825#ifdef CONFIG_WPS_STRICT
826int wps_validate_beacon(const struct wpabuf *wps_ie);
827int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe,
828				   const u8 *addr);
829int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr);
830int wps_validate_assoc_req(const struct wpabuf *wps_ie);
831int wps_validate_assoc_resp(const struct wpabuf *wps_ie);
832int wps_validate_m1(const struct wpabuf *tlvs);
833int wps_validate_m2(const struct wpabuf *tlvs);
834int wps_validate_m2d(const struct wpabuf *tlvs);
835int wps_validate_m3(const struct wpabuf *tlvs);
836int wps_validate_m4(const struct wpabuf *tlvs);
837int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2);
838int wps_validate_m5(const struct wpabuf *tlvs);
839int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2);
840int wps_validate_m6(const struct wpabuf *tlvs);
841int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2);
842int wps_validate_m7(const struct wpabuf *tlvs);
843int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2);
844int wps_validate_m8(const struct wpabuf *tlvs);
845int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2);
846int wps_validate_wsc_ack(const struct wpabuf *tlvs);
847int wps_validate_wsc_nack(const struct wpabuf *tlvs);
848int wps_validate_wsc_done(const struct wpabuf *tlvs);
849int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs);
850#else /* CONFIG_WPS_STRICT */
851static inline int wps_validate_beacon(const struct wpabuf *wps_ie){
852	return 0;
853}
854
855static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie,
856						 int probe, const u8 *addr)
857{
858	return 0;
859}
860
861static inline int wps_validate_probe_req(const struct wpabuf *wps_ie,
862					 const u8 *addr)
863{
864	return 0;
865}
866
867static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie)
868{
869	return 0;
870}
871
872static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
873{
874	return 0;
875}
876
877static inline int wps_validate_m1(const struct wpabuf *tlvs)
878{
879	return 0;
880}
881
882static inline int wps_validate_m2(const struct wpabuf *tlvs)
883{
884	return 0;
885}
886
887static inline int wps_validate_m2d(const struct wpabuf *tlvs)
888{
889	return 0;
890}
891
892static inline int wps_validate_m3(const struct wpabuf *tlvs)
893{
894	return 0;
895}
896
897static inline int wps_validate_m4(const struct wpabuf *tlvs)
898{
899	return 0;
900}
901
902static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2)
903{
904	return 0;
905}
906
907static inline int wps_validate_m5(const struct wpabuf *tlvs)
908{
909	return 0;
910}
911
912static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2)
913{
914	return 0;
915}
916
917static inline int wps_validate_m6(const struct wpabuf *tlvs)
918{
919	return 0;
920}
921
922static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2)
923{
924	return 0;
925}
926
927static inline int wps_validate_m7(const struct wpabuf *tlvs)
928{
929	return 0;
930}
931
932static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap,
933				       int wps2)
934{
935	return 0;
936}
937
938static inline int wps_validate_m8(const struct wpabuf *tlvs)
939{
940	return 0;
941}
942
943static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap,
944				       int wps2)
945{
946	return 0;
947}
948
949static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs)
950{
951	return 0;
952}
953
954static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs)
955{
956	return 0;
957}
958
959static inline int wps_validate_wsc_done(const struct wpabuf *tlvs)
960{
961	return 0;
962}
963
964static inline int wps_validate_upnp_set_selected_registrar(
965	const struct wpabuf *tlvs)
966{
967	return 0;
968}
969#endif /* CONFIG_WPS_STRICT */
970
971#endif /* WPS_H */
972