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 */
46 struct wps_credential {
47 u8 ssid[32];
48 size_t ssid_len;
49 u16 auth_type;
50 u16 encr_type;
51 u8 key_idx;
52 u8 key[64];
53 size_t key_len;
54 u8 mac_addr[ETH_ALEN];
55 const u8 *cred_attr;
56 size_t cred_attr_len;
57 };
58
59 #define WPS_DEV_TYPE_LEN 8
60 #define WPS_DEV_TYPE_BUFSIZE 21
61 #define WPS_SEC_DEV_TYPE_MAX_LEN 128
62 /* maximum number of advertised WPS vendor extension attributes */
63 #define MAX_WPS_VENDOR_EXTENSIONS 10
64 /* maximum size of WPS Vendor extension attribute */
65 #define WPS_MAX_VENDOR_EXT_LEN 1024
66 /* maximum number of parsed WPS vendor extension attributes */
67 #define MAX_WPS_PARSE_VENDOR_EXT 10
68
69 /**
70 * struct wps_device_data - WPS Device Data
71 * @mac_addr: Device MAC address
72 * @device_name: Device Name (0..32 octets encoded in UTF-8)
73 * @manufacturer: Manufacturer (0..64 octets encoded in UTF-8)
74 * @model_name: Model Name (0..32 octets encoded in UTF-8)
75 * @model_number: Model Number (0..32 octets encoded in UTF-8)
76 * @serial_number: Serial Number (0..32 octets encoded in UTF-8)
77 * @pri_dev_type: Primary Device Type
78 * @sec_dev_type: Array of secondary device types
79 * @num_sec_dev_type: Number of secondary device types
80 * @os_version: OS Version
81 * @rf_bands: RF bands (WPS_RF_24GHZ, WPS_RF_50GHZ flags)
82 * @p2p: Whether the device is a P2P device
83 */
84 struct wps_device_data {
85 u8 mac_addr[ETH_ALEN];
86 char *device_name;
87 char *manufacturer;
88 char *model_name;
89 char *model_number;
90 char *serial_number;
91 u8 pri_dev_type[WPS_DEV_TYPE_LEN];
92 #define WPS_SEC_DEVICE_TYPES 5
93 u8 sec_dev_type[WPS_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
94 u8 num_sec_dev_types;
95 u32 os_version;
96 u8 rf_bands;
97 u16 config_methods;
98 struct wpabuf *vendor_ext_m1;
99 struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
100
101 int p2p;
102 };
103
104 struct oob_conf_data {
105 enum {
106 OOB_METHOD_UNKNOWN = 0,
107 OOB_METHOD_DEV_PWD_E,
108 OOB_METHOD_DEV_PWD_R,
109 OOB_METHOD_CRED,
110 } oob_method;
111 struct wpabuf *dev_password;
112 struct wpabuf *pubkey_hash;
113 };
114
115 /**
116 * struct wps_config - WPS configuration for a single registration protocol run
117 */
118 struct wps_config {
119 /**
120 * wps - Pointer to long term WPS context
121 */
122 struct wps_context *wps;
123
124 /**
125 * registrar - Whether this end is a Registrar
126 */
127 int registrar;
128
129 /**
130 * pin - Enrollee Device Password (%NULL for Registrar or PBC)
131 */
132 const u8 *pin;
133
134 /**
135 * pin_len - Length on pin in octets
136 */
137 size_t pin_len;
138
139 /**
140 * pbc - Whether this is protocol run uses PBC
141 */
142 int pbc;
143
144 /**
145 * assoc_wps_ie: (Re)AssocReq WPS IE (in AP; %NULL if not AP)
146 */
147 const struct wpabuf *assoc_wps_ie;
148
149 /**
150 * new_ap_settings - New AP settings (%NULL if not used)
151 *
152 * This parameter provides new AP settings when using a wireless
153 * stations as a Registrar to configure the AP. %NULL means that AP
154 * will not be reconfigured, i.e., the station will only learn the
155 * current AP settings by using AP PIN.
156 */
157 const struct wps_credential *new_ap_settings;
158
159 /**
160 * peer_addr: MAC address of the peer in AP; %NULL if not AP
161 */
162 const u8 *peer_addr;
163
164 /**
165 * use_psk_key - Use PSK format key in Credential
166 *
167 * Force PSK format to be used instead of ASCII passphrase when
168 * building Credential for an Enrollee. The PSK value is set in
169 * struct wpa_context::psk.
170 */
171 int use_psk_key;
172
173 /**
174 * dev_pw_id - Device Password ID for Enrollee when PIN is used
175 */
176 u16 dev_pw_id;
177
178 /**
179 * p2p_dev_addr - P2P Device Address from (Re)Association Request
180 *
181 * On AP/GO, this is set to the P2P Device Address of the associating
182 * P2P client if a P2P IE is included in the (Re)Association Request
183 * frame and the P2P Device Address is included. Otherwise, this is set
184 * to %NULL to indicate the station does not have a P2P Device Address.
185 */
186 const u8 *p2p_dev_addr;
187
188 /**
189 * pbc_in_m1 - Do not remove PushButton config method in M1 (AP)
190 *
191 * This can be used to enable a workaround to allow Windows 7 to use
192 * PBC with the AP.
193 */
194 int pbc_in_m1;
195 };
196
197 struct wps_data * wps_init(const struct wps_config *cfg);
198
199 void wps_deinit(struct wps_data *data);
200
201 /**
202 * enum wps_process_res - WPS message processing result
203 */
204 enum wps_process_res {
205 /**
206 * WPS_DONE - Processing done
207 */
208 WPS_DONE,
209
210 /**
211 * WPS_CONTINUE - Processing continues
212 */
213 WPS_CONTINUE,
214
215 /**
216 * WPS_FAILURE - Processing failed
217 */
218 WPS_FAILURE,
219
220 /**
221 * WPS_PENDING - Processing continues, but waiting for an external
222 * event (e.g., UPnP message from an external Registrar)
223 */
224 WPS_PENDING
225 };
226 enum wps_process_res wps_process_msg(struct wps_data *wps,
227 enum wsc_op_code op_code,
228 const struct wpabuf *msg);
229
230 struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code);
231
232 int wps_is_selected_pbc_registrar(const struct wpabuf *msg);
233 int wps_is_selected_pin_registrar(const struct wpabuf *msg);
234 int wps_ap_priority_compar(const struct wpabuf *wps_a,
235 const struct wpabuf *wps_b);
236 int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
237 int ver1_compat);
238 const u8 * wps_get_uuid_e(const struct wpabuf *msg);
239 int wps_is_20(const struct wpabuf *msg);
240
241 struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type);
242 struct wpabuf * wps_build_assoc_resp_ie(void);
243 struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev,
244 const u8 *uuid,
245 enum wps_request_type req_type,
246 unsigned int num_req_dev_types,
247 const u8 *req_dev_types);
248
249
250 /**
251 * struct wps_registrar_config - WPS Registrar configuration
252 */
253 struct wps_registrar_config {
254 /**
255 * new_psk_cb - Callback for new PSK
256 * @ctx: Higher layer context data (cb_ctx)
257 * @mac_addr: MAC address of the Enrollee
258 * @psk: The new PSK
259 * @psk_len: The length of psk in octets
260 * Returns: 0 on success, -1 on failure
261 *
262 * This callback is called when a new per-device PSK is provisioned.
263 */
264 int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
265 size_t psk_len);
266
267 /**
268 * set_ie_cb - Callback for WPS IE changes
269 * @ctx: Higher layer context data (cb_ctx)
270 * @beacon_ie: WPS IE for Beacon
271 * @probe_resp_ie: WPS IE for Probe Response
272 * Returns: 0 on success, -1 on failure
273 *
274 * This callback is called whenever the WPS IE in Beacon or Probe
275 * Response frames needs to be changed (AP only). Callee is responsible
276 * for freeing the buffers.
277 */
278 int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
279 struct wpabuf *probe_resp_ie);
280
281 /**
282 * pin_needed_cb - Callback for requesting a PIN
283 * @ctx: Higher layer context data (cb_ctx)
284 * @uuid_e: UUID-E of the unknown Enrollee
285 * @dev: Device Data from the unknown Enrollee
286 *
287 * This callback is called whenever an unknown Enrollee requests to use
288 * PIN method and a matching PIN (Device Password) is not found in
289 * Registrar data.
290 */
291 void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
292 const struct wps_device_data *dev);
293
294 /**
295 * reg_success_cb - Callback for reporting successful registration
296 * @ctx: Higher layer context data (cb_ctx)
297 * @mac_addr: MAC address of the Enrollee
298 * @uuid_e: UUID-E of the Enrollee
299 * @dev_pw: Device Password (PIN) used during registration
300 * @dev_pw_len: Length of dev_pw in octets
301 *
302 * This callback is called whenever an Enrollee completes registration
303 * successfully.
304 */
305 void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
306 const u8 *uuid_e, const u8 *dev_pw,
307 size_t dev_pw_len);
308
309 /**
310 * set_sel_reg_cb - Callback for reporting selected registrar changes
311 * @ctx: Higher layer context data (cb_ctx)
312 * @sel_reg: Whether the Registrar is selected
313 * @dev_passwd_id: Device Password ID to indicate with method or
314 * specific password the Registrar intends to use
315 * @sel_reg_config_methods: Bit field of active config methods
316 *
317 * This callback is called whenever the Selected Registrar state
318 * changes (e.g., a new PIN becomes available or PBC is invoked). This
319 * callback is only used by External Registrar implementation;
320 * set_ie_cb() is used by AP implementation in similar caes, but it
321 * provides the full WPS IE data instead of just the minimal Registrar
322 * state information.
323 */
324 void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id,
325 u16 sel_reg_config_methods);
326
327 /**
328 * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq
329 * @ctx: Higher layer context data (cb_ctx)
330 * @addr: MAC address of the Enrollee
331 * @uuid_e: UUID of the Enrollee
332 * @pri_dev_type: Primary device type
333 * @config_methods: Config Methods
334 * @dev_password_id: Device Password ID
335 * @request_type: Request Type
336 * @dev_name: Device Name (if available)
337 */
338 void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e,
339 const u8 *pri_dev_type, u16 config_methods,
340 u16 dev_password_id, u8 request_type,
341 const char *dev_name);
342
343 /**
344 * cb_ctx: Higher layer context data for Registrar callbacks
345 */
346 void *cb_ctx;
347
348 /**
349 * skip_cred_build: Do not build credential
350 *
351 * This option can be used to disable internal code that builds
352 * Credential attribute into M8 based on the current network
353 * configuration and Enrollee capabilities. The extra_cred data will
354 * then be used as the Credential(s).
355 */
356 int skip_cred_build;
357
358 /**
359 * extra_cred: Additional Credential attribute(s)
360 *
361 * This optional data (set to %NULL to disable) can be used to add
362 * Credential attribute(s) for other networks into M8. If
363 * skip_cred_build is set, this will also override the automatically
364 * generated Credential attribute.
365 */
366 const u8 *extra_cred;
367
368 /**
369 * extra_cred_len: Length of extra_cred in octets
370 */
371 size_t extra_cred_len;
372
373 /**
374 * disable_auto_conf - Disable auto-configuration on first registration
375 *
376 * By default, the AP that is started in not configured state will
377 * generate a random PSK and move to configured state when the first
378 * registration protocol run is completed successfully. This option can
379 * be used to disable this functionality and leave it up to an external
380 * program to take care of configuration. This requires the extra_cred
381 * to be set with a suitable Credential and skip_cred_build being used.
382 */
383 int disable_auto_conf;
384
385 /**
386 * static_wep_only - Whether the BSS supports only static WEP
387 */
388 int static_wep_only;
389
390 /**
391 * dualband - Whether this is a concurrent dualband AP
392 */
393 int dualband;
394 };
395
396
397 /**
398 * enum wps_event - WPS event types
399 */
400 enum wps_event {
401 /**
402 * WPS_EV_M2D - M2D received (Registrar did not know us)
403 */
404 WPS_EV_M2D,
405
406 /**
407 * WPS_EV_FAIL - Registration failed
408 */
409 WPS_EV_FAIL,
410
411 /**
412 * WPS_EV_SUCCESS - Registration succeeded
413 */
414 WPS_EV_SUCCESS,
415
416 /**
417 * WPS_EV_PWD_AUTH_FAIL - Password authentication failed
418 */
419 WPS_EV_PWD_AUTH_FAIL,
420
421 /**
422 * WPS_EV_PBC_OVERLAP - PBC session overlap detected
423 */
424 WPS_EV_PBC_OVERLAP,
425
426 /**
427 * WPS_EV_PBC_TIMEOUT - PBC walktime expired before protocol run start
428 */
429 WPS_EV_PBC_TIMEOUT,
430
431 /**
432 * WPS_EV_ER_AP_ADD - ER: AP added
433 */
434 WPS_EV_ER_AP_ADD,
435
436 /**
437 * WPS_EV_ER_AP_REMOVE - ER: AP removed
438 */
439 WPS_EV_ER_AP_REMOVE,
440
441 /**
442 * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added
443 */
444 WPS_EV_ER_ENROLLEE_ADD,
445
446 /**
447 * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed
448 */
449 WPS_EV_ER_ENROLLEE_REMOVE,
450
451 /**
452 * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned
453 */
454 WPS_EV_ER_AP_SETTINGS,
455
456 /**
457 * WPS_EV_ER_SET_SELECTED_REGISTRAR - ER: SetSelectedRegistrar event
458 */
459 WPS_EV_ER_SET_SELECTED_REGISTRAR,
460
461 /**
462 * WPS_EV_AP_PIN_SUCCESS - External Registrar used correct AP PIN
463 */
464 WPS_EV_AP_PIN_SUCCESS
465 };
466
467 /**
468 * union wps_event_data - WPS event data
469 */
470 union wps_event_data {
471 /**
472 * struct wps_event_m2d - M2D event data
473 */
474 struct wps_event_m2d {
475 u16 config_methods;
476 const u8 *manufacturer;
477 size_t manufacturer_len;
478 const u8 *model_name;
479 size_t model_name_len;
480 const u8 *model_number;
481 size_t model_number_len;
482 const u8 *serial_number;
483 size_t serial_number_len;
484 const u8 *dev_name;
485 size_t dev_name_len;
486 const u8 *primary_dev_type; /* 8 octets */
487 u16 config_error;
488 u16 dev_password_id;
489 } m2d;
490
491 /**
492 * struct wps_event_fail - Registration failure information
493 * @msg: enum wps_msg_type
494 */
495 struct wps_event_fail {
496 int msg;
497 u16 config_error;
498 u16 error_indication;
499 } fail;
500
501 struct wps_event_pwd_auth_fail {
502 int enrollee;
503 int part;
504 } pwd_auth_fail;
505
506 struct wps_event_er_ap {
507 const u8 *uuid;
508 const u8 *mac_addr;
509 const char *friendly_name;
510 const char *manufacturer;
511 const char *manufacturer_url;
512 const char *model_description;
513 const char *model_name;
514 const char *model_number;
515 const char *model_url;
516 const char *serial_number;
517 const char *upc;
518 const u8 *pri_dev_type;
519 u8 wps_state;
520 } ap;
521
522 struct wps_event_er_enrollee {
523 const u8 *uuid;
524 const u8 *mac_addr;
525 int m1_received;
526 u16 config_methods;
527 u16 dev_passwd_id;
528 const u8 *pri_dev_type;
529 const char *dev_name;
530 const char *manufacturer;
531 const char *model_name;
532 const char *model_number;
533 const char *serial_number;
534 } enrollee;
535
536 struct wps_event_er_ap_settings {
537 const u8 *uuid;
538 const struct wps_credential *cred;
539 } ap_settings;
540
541 struct wps_event_er_set_selected_registrar {
542 const u8 *uuid;
543 int sel_reg;
544 u16 dev_passwd_id;
545 u16 sel_reg_config_methods;
546 enum {
547 WPS_ER_SET_SEL_REG_START,
548 WPS_ER_SET_SEL_REG_DONE,
549 WPS_ER_SET_SEL_REG_FAILED
550 } state;
551 } set_sel_reg;
552 };
553
554 /**
555 * struct upnp_pending_message - Pending PutWLANResponse messages
556 * @next: Pointer to next pending message or %NULL
557 * @addr: NewWLANEventMAC
558 * @msg: NewMessage
559 * @type: Message Type
560 */
561 struct upnp_pending_message {
562 struct upnp_pending_message *next;
563 u8 addr[ETH_ALEN];
564 struct wpabuf *msg;
565 enum wps_msg_type type;
566 };
567
568 /**
569 * struct wps_context - Long term WPS context data
570 *
571 * This data is stored at the higher layer Authenticator or Supplicant data
572 * structures and it is maintained over multiple registration protocol runs.
573 */
574 struct wps_context {
575 /**
576 * ap - Whether the local end is an access point
577 */
578 int ap;
579
580 /**
581 * registrar - Pointer to WPS registrar data from wps_registrar_init()
582 */
583 struct wps_registrar *registrar;
584
585 /**
586 * wps_state - Current WPS state
587 */
588 enum wps_state wps_state;
589
590 /**
591 * ap_setup_locked - Whether AP setup is locked (only used at AP)
592 */
593 int ap_setup_locked;
594
595 /**
596 * uuid - Own UUID
597 */
598 u8 uuid[16];
599
600 /**
601 * ssid - SSID
602 *
603 * This SSID is used by the Registrar to fill in information for
604 * Credentials. In addition, AP uses it when acting as an Enrollee to
605 * notify Registrar of the current configuration.
606 */
607 u8 ssid[32];
608
609 /**
610 * ssid_len - Length of ssid in octets
611 */
612 size_t ssid_len;
613
614 /**
615 * dev - Own WPS device data
616 */
617 struct wps_device_data dev;
618
619 /**
620 * oob_conf - OOB Config data
621 */
622 struct oob_conf_data oob_conf;
623
624 /**
625 * oob_dev_pw_id - OOB Device password id
626 */
627 u16 oob_dev_pw_id;
628
629 /**
630 * dh_ctx - Context data for Diffie-Hellman operation
631 */
632 void *dh_ctx;
633
634 /**
635 * dh_privkey - Diffie-Hellman private key
636 */
637 struct wpabuf *dh_privkey;
638
639 /**
640 * dh_pubkey_oob - Diffie-Hellman public key
641 */
642 struct wpabuf *dh_pubkey;
643
644 /**
645 * config_methods - Enabled configuration methods
646 *
647 * Bit field of WPS_CONFIG_*
648 */
649 u16 config_methods;
650
651 /**
652 * encr_types - Enabled encryption types (bit field of WPS_ENCR_*)
653 */
654 u16 encr_types;
655
656 /**
657 * auth_types - Authentication types (bit field of WPS_AUTH_*)
658 */
659 u16 auth_types;
660
661 /**
662 * network_key - The current Network Key (PSK) or %NULL to generate new
663 *
664 * If %NULL, Registrar will generate per-device PSK. In addition, AP
665 * uses this when acting as an Enrollee to notify Registrar of the
666 * current configuration.
667 *
668 * When using WPA/WPA2-Person, this key can be either the ASCII
669 * passphrase (8..63 characters) or the 32-octet PSK (64 hex
670 * characters). When this is set to the ASCII passphrase, the PSK can
671 * be provided in the psk buffer and used per-Enrollee to control which
672 * key type is included in the Credential (e.g., to reduce calculation
673 * need on low-powered devices by provisioning PSK while still allowing
674 * other devices to get the passphrase).
675 */
676 u8 *network_key;
677
678 /**
679 * network_key_len - Length of network_key in octets
680 */
681 size_t network_key_len;
682
683 /**
684 * psk - The current network PSK
685 *
686 * This optional value can be used to provide the current PSK if
687 * network_key is set to the ASCII passphrase.
688 */
689 u8 psk[32];
690
691 /**
692 * psk_set - Whether psk value is set
693 */
694 int psk_set;
695
696 /**
697 * ap_settings - AP Settings override for M7 (only used at AP)
698 *
699 * If %NULL, AP Settings attributes will be generated based on the
700 * current network configuration.
701 */
702 u8 *ap_settings;
703
704 /**
705 * ap_settings_len - Length of ap_settings in octets
706 */
707 size_t ap_settings_len;
708
709 /**
710 * friendly_name - Friendly Name (required for UPnP)
711 */
712 char *friendly_name;
713
714 /**
715 * manufacturer_url - Manufacturer URL (optional for UPnP)
716 */
717 char *manufacturer_url;
718
719 /**
720 * model_description - Model Description (recommended for UPnP)
721 */
722 char *model_description;
723
724 /**
725 * model_url - Model URL (optional for UPnP)
726 */
727 char *model_url;
728
729 /**
730 * upc - Universal Product Code (optional for UPnP)
731 */
732 char *upc;
733
734 /**
735 * cred_cb - Callback to notify that new Credentials were received
736 * @ctx: Higher layer context data (cb_ctx)
737 * @cred: The received Credential
738 * Return: 0 on success, -1 on failure
739 */
740 int (*cred_cb)(void *ctx, const struct wps_credential *cred);
741
742 /**
743 * event_cb - Event callback (state information about progress)
744 * @ctx: Higher layer context data (cb_ctx)
745 * @event: Event type
746 * @data: Event data
747 */
748 void (*event_cb)(void *ctx, enum wps_event event,
749 union wps_event_data *data);
750
751 /**
752 * cb_ctx: Higher layer context data for callbacks
753 */
754 void *cb_ctx;
755
756 struct upnp_wps_device_sm *wps_upnp;
757
758 /* Pending messages from UPnP PutWLANResponse */
759 struct upnp_pending_message *upnp_msgs;
760
761 u16 ap_nfc_dev_pw_id;
762 struct wpabuf *ap_nfc_dh_pubkey;
763 struct wpabuf *ap_nfc_dh_privkey;
764 struct wpabuf *ap_nfc_dev_pw;
765 };
766
767 struct oob_device_data {
768 char *device_name;
769 char *device_path;
770 void * (*init_func)(struct wps_context *, struct oob_device_data *,
771 int);
772 struct wpabuf * (*read_func)(void *);
773 int (*write_func)(void *, struct wpabuf *);
774 void (*deinit_func)(void *);
775 };
776
777 struct oob_nfc_device_data {
778 int (*init_func)(char *);
779 void * (*read_func)(size_t *);
780 int (*write_func)(void *, size_t);
781 void (*deinit_func)(void);
782 };
783
784 struct wps_registrar *
785 wps_registrar_init(struct wps_context *wps,
786 const struct wps_registrar_config *cfg);
787 void wps_registrar_deinit(struct wps_registrar *reg);
788 int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr,
789 const u8 *uuid, const u8 *pin, size_t pin_len,
790 int timeout);
791 int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
792 int wps_registrar_wps_cancel(struct wps_registrar *reg);
793 int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
794 int wps_registrar_button_pushed(struct wps_registrar *reg,
795 const u8 *p2p_dev_addr);
796 void wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e,
797 const u8 *dev_pw, size_t dev_pw_len);
798 void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
799 const struct wpabuf *wps_data,
800 int p2p_wildcard);
801 int wps_registrar_update_ie(struct wps_registrar *reg);
802 int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
803 char *buf, size_t buflen);
804 int wps_registrar_config_ap(struct wps_registrar *reg,
805 struct wps_credential *cred);
806 int wps_registrar_add_nfc_pw_token(struct wps_registrar *reg,
807 const u8 *pubkey_hash, u16 pw_id,
808 const u8 *dev_pw, size_t dev_pw_len);
809 int wps_registrar_add_nfc_password_token(struct wps_registrar *reg,
810 const u8 *oob_dev_pw,
811 size_t oob_dev_pw_len);
812
813 int wps_build_credential_wrap(struct wpabuf *msg,
814 const struct wps_credential *cred);
815
816 unsigned int wps_pin_checksum(unsigned int pin);
817 unsigned int wps_pin_valid(unsigned int pin);
818 unsigned int wps_generate_pin(void);
819 int wps_pin_str_valid(const char *pin);
820 void wps_free_pending_msgs(struct upnp_pending_message *msgs);
821
822 struct oob_device_data * wps_get_oob_device(char *device_type);
823 struct oob_nfc_device_data * wps_get_oob_nfc_device(char *device_name);
824 int wps_get_oob_method(char *method);
825 int wps_process_oob(struct wps_context *wps, struct oob_device_data *oob_dev,
826 int registrar);
827 struct wpabuf * wps_get_oob_cred(struct wps_context *wps);
828 int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr);
829 int wps_attr_text(struct wpabuf *data, char *buf, char *end);
830
831 struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname,
832 const char *filter);
833 void wps_er_refresh(struct wps_er *er);
834 void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx);
835 void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
836 u16 sel_reg_config_methods);
837 int wps_er_pbc(struct wps_er *er, const u8 *uuid);
838 int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
839 size_t pin_len);
840 int wps_er_set_config(struct wps_er *er, const u8 *uuid,
841 const struct wps_credential *cred);
842 int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
843 size_t pin_len, const struct wps_credential *cred);
844 struct wpabuf * wps_er_nfc_config_token(struct wps_er *er, const u8 *uuid);
845
846 int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]);
847 char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
848 size_t buf_len);
849 void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid);
850 u16 wps_config_methods_str2bin(const char *str);
851 struct wpabuf * wps_build_nfc_pw_token(u16 dev_pw_id,
852 const struct wpabuf *pubkey,
853 const struct wpabuf *dev_pw);
854 struct wpabuf * wps_nfc_token_gen(int ndef, int *id, struct wpabuf **pubkey,
855 struct wpabuf **privkey,
856 struct wpabuf **dev_pw);
857
858 /* ndef.c */
859 struct wpabuf * ndef_parse_wifi(const struct wpabuf *buf);
860 struct wpabuf * ndef_build_wifi(const struct wpabuf *buf);
861
862 #ifdef CONFIG_WPS_STRICT
863 int wps_validate_beacon(const struct wpabuf *wps_ie);
864 int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe,
865 const u8 *addr);
866 int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr);
867 int wps_validate_assoc_req(const struct wpabuf *wps_ie);
868 int wps_validate_assoc_resp(const struct wpabuf *wps_ie);
869 int wps_validate_m1(const struct wpabuf *tlvs);
870 int wps_validate_m2(const struct wpabuf *tlvs);
871 int wps_validate_m2d(const struct wpabuf *tlvs);
872 int wps_validate_m3(const struct wpabuf *tlvs);
873 int wps_validate_m4(const struct wpabuf *tlvs);
874 int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2);
875 int wps_validate_m5(const struct wpabuf *tlvs);
876 int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2);
877 int wps_validate_m6(const struct wpabuf *tlvs);
878 int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2);
879 int wps_validate_m7(const struct wpabuf *tlvs);
880 int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2);
881 int wps_validate_m8(const struct wpabuf *tlvs);
882 int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2);
883 int wps_validate_wsc_ack(const struct wpabuf *tlvs);
884 int wps_validate_wsc_nack(const struct wpabuf *tlvs);
885 int wps_validate_wsc_done(const struct wpabuf *tlvs);
886 int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs);
887 #else /* CONFIG_WPS_STRICT */
wps_validate_beacon(const struct wpabuf * wps_ie)888 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){
889 return 0;
890 }
891
wps_validate_beacon_probe_resp(const struct wpabuf * wps_ie,int probe,const u8 * addr)892 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie,
893 int probe, const u8 *addr)
894 {
895 return 0;
896 }
897
wps_validate_probe_req(const struct wpabuf * wps_ie,const u8 * addr)898 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie,
899 const u8 *addr)
900 {
901 return 0;
902 }
903
wps_validate_assoc_req(const struct wpabuf * wps_ie)904 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie)
905 {
906 return 0;
907 }
908
wps_validate_assoc_resp(const struct wpabuf * wps_ie)909 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
910 {
911 return 0;
912 }
913
wps_validate_m1(const struct wpabuf * tlvs)914 static inline int wps_validate_m1(const struct wpabuf *tlvs)
915 {
916 return 0;
917 }
918
wps_validate_m2(const struct wpabuf * tlvs)919 static inline int wps_validate_m2(const struct wpabuf *tlvs)
920 {
921 return 0;
922 }
923
wps_validate_m2d(const struct wpabuf * tlvs)924 static inline int wps_validate_m2d(const struct wpabuf *tlvs)
925 {
926 return 0;
927 }
928
wps_validate_m3(const struct wpabuf * tlvs)929 static inline int wps_validate_m3(const struct wpabuf *tlvs)
930 {
931 return 0;
932 }
933
wps_validate_m4(const struct wpabuf * tlvs)934 static inline int wps_validate_m4(const struct wpabuf *tlvs)
935 {
936 return 0;
937 }
938
wps_validate_m4_encr(const struct wpabuf * tlvs,int wps2)939 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2)
940 {
941 return 0;
942 }
943
wps_validate_m5(const struct wpabuf * tlvs)944 static inline int wps_validate_m5(const struct wpabuf *tlvs)
945 {
946 return 0;
947 }
948
wps_validate_m5_encr(const struct wpabuf * tlvs,int wps2)949 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2)
950 {
951 return 0;
952 }
953
wps_validate_m6(const struct wpabuf * tlvs)954 static inline int wps_validate_m6(const struct wpabuf *tlvs)
955 {
956 return 0;
957 }
958
wps_validate_m6_encr(const struct wpabuf * tlvs,int wps2)959 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2)
960 {
961 return 0;
962 }
963
wps_validate_m7(const struct wpabuf * tlvs)964 static inline int wps_validate_m7(const struct wpabuf *tlvs)
965 {
966 return 0;
967 }
968
wps_validate_m7_encr(const struct wpabuf * tlvs,int ap,int wps2)969 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap,
970 int wps2)
971 {
972 return 0;
973 }
974
wps_validate_m8(const struct wpabuf * tlvs)975 static inline int wps_validate_m8(const struct wpabuf *tlvs)
976 {
977 return 0;
978 }
979
wps_validate_m8_encr(const struct wpabuf * tlvs,int ap,int wps2)980 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap,
981 int wps2)
982 {
983 return 0;
984 }
985
wps_validate_wsc_ack(const struct wpabuf * tlvs)986 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs)
987 {
988 return 0;
989 }
990
wps_validate_wsc_nack(const struct wpabuf * tlvs)991 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs)
992 {
993 return 0;
994 }
995
wps_validate_wsc_done(const struct wpabuf * tlvs)996 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs)
997 {
998 return 0;
999 }
1000
wps_validate_upnp_set_selected_registrar(const struct wpabuf * tlvs)1001 static inline int wps_validate_upnp_set_selected_registrar(
1002 const struct wpabuf *tlvs)
1003 {
1004 return 0;
1005 }
1006 #endif /* CONFIG_WPS_STRICT */
1007
1008 #endif /* WPS_H */
1009