src/wps/wps.h

   1 /*
   2  * Wi-Fi Protected Setup
   3  * Copyright (c) 2007-2009, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef WPS_H
  16 #define WPS_H
  17
  18 #include "wps_defs.h"
  19
  20 /**
  21  * enum wsc_op_code - EAP-WSC OP-Code values
  22  */
  23 enum wsc_op_code {
  24         WSC_UPnP = 0 /* No OP Code in UPnP transport */,
  25         WSC_Start = 0x01,
  26         WSC_ACK = 0x02,
  27         WSC_NACK = 0x03,
  28         WSC_MSG = 0x04,
  29         WSC_Done = 0x05,
  30         WSC_FRAG_ACK = 0x06
  31 };
  32
  33 struct wps_registrar;
  34 struct upnp_wps_device_sm;
  35 struct wps_er;
  36
  37 /**
  38  * struct wps_credential - WPS Credential
  39  * @ssid: SSID
  40  * @ssid_len: Length of SSID
  41  * @auth_type: Authentication Type (WPS_AUTH_OPEN, .. flags)
  42  * @encr_type: Encryption Type (WPS_ENCR_NONE, .. flags)
  43  * @key_idx: Key index
  44  * @key: Key
  45  * @key_len: Key length in octets
  46  * @mac_addr: MAC address of the Credential receiver
  47  * @cred_attr: Unparsed Credential attribute data (used only in cred_cb());
  48  *      this may be %NULL, if not used
  49  * @cred_attr_len: Length of cred_attr in octets
  50  */
  51 struct wps_credential {
  52         u8 ssid[32];
  53         size_t ssid_len;
  54         u16 auth_type;
  55         u16 encr_type;
  56         u8 key_idx;
  57         u8 key[64];
  58         size_t key_len;
  59         u8 mac_addr[ETH_ALEN];
  60         const u8 *cred_attr;
  61         size_t cred_attr_len;
  62 };
  63
  64 #define WPS_DEV_TYPE_LEN 8
  65 #define WPS_DEV_TYPE_BUFSIZE 21
  66
  67 /**
  68  * struct wps_device_data - WPS Device Data
  69  * @mac_addr: Device MAC address
  70  * @device_name: Device Name (0..32 octets encoded in UTF-8)
  71  * @manufacturer: Manufacturer (0..64 octets encoded in UTF-8)
  72  * @model_name: Model Name (0..32 octets encoded in UTF-8)
  73  * @model_number: Model Number (0..32 octets encoded in UTF-8)
  74  * @serial_number: Serial Number (0..32 octets encoded in UTF-8)
  75  * @pri_dev_type: Primary Device Type
  76  * @os_version: OS Version
  77  * @rf_bands: RF bands (WPS_RF_24GHZ, WPS_RF_50GHZ flags)
  78  * @p2p: Whether the device is a P2P device
  79  */
  80 struct wps_device_data {
  81         u8 mac_addr[ETH_ALEN];
  82         char *device_name;
  83         char *manufacturer;
  84         char *model_name;
  85         char *model_number;
  86         char *serial_number;
  87         u8 pri_dev_type[WPS_DEV_TYPE_LEN];
  88         u32 os_version;
  89         u8 rf_bands;
  90
  91         int p2p;
  92 };
  93
  94 struct oob_conf_data {
  95         enum {
  96                 OOB_METHOD_UNKNOWN = 0,
  97                 OOB_METHOD_DEV_PWD_E,
  98                 OOB_METHOD_DEV_PWD_R,
  99                 OOB_METHOD_CRED,
 100         } oob_method;
 101         struct wpabuf *dev_password;
 102         struct wpabuf *pubkey_hash;
 103 };
 104
 105 /**
 106  * struct wps_config - WPS configuration for a single registration protocol run
 107  */
 108 struct wps_config {
 109         /**
 110          * wps - Pointer to long term WPS context
 111          */
 112         struct wps_context *wps;
 113
 114         /**
 115          * registrar - Whether this end is a Registrar
 116          */
 117         int registrar;
 118
 119         /**
 120          * pin - Enrollee Device Password (%NULL for Registrar or PBC)
 121          */
 122         const u8 *pin;
 123
 124         /**
 125          * pin_len - Length on pin in octets
 126          */
 127         size_t pin_len;
 128
 129         /**
 130          * pbc - Whether this is protocol run uses PBC
 131          */
 132         int pbc;
 133
 134         /**
 135          * assoc_wps_ie: (Re)AssocReq WPS IE (in AP; %NULL if not AP)
 136          */
 137         const struct wpabuf *assoc_wps_ie;
 138
 139         /**
 140          * new_ap_settings - New AP settings (%NULL if not used)
 141          *
 142          * This parameter provides new AP settings when using a wireless
 143          * stations as a Registrar to configure the AP. %NULL means that AP
 144          * will not be reconfigured, i.e., the station will only learn the
 145          * current AP settings by using AP PIN.
 146          */
 147         const struct wps_credential *new_ap_settings;
 148
 149         /**
 150          * peer_addr: MAC address of the peer in AP; %NULL if not AP
 151          */
 152         const u8 *peer_addr;
 153
 154         /**
 155          * use_psk_key - Use PSK format key in Credential
 156          *
 157          * Force PSK format to be used instead of ASCII passphrase when
 158          * building Credential for an Enrollee. The PSK value is set in
 159          * struct wpa_context::psk.
 160          */
 161         int use_psk_key;
 162
 163         /**
 164          * dev_pw_id - Device Password ID for Enrollee when PIN is used
 165          */
 166         u16 dev_pw_id;
 167 };
 168
 169 struct wps_data * wps_init(const struct wps_config *cfg);
 170
 171 void wps_deinit(struct wps_data *data);
 172
 173 /**
 174  * enum wps_process_res - WPS message processing result
 175  */
 176 enum wps_process_res {
 177         /**
 178          * WPS_DONE - Processing done
 179          */
 180         WPS_DONE,
 181
 182         /**
 183          * WPS_CONTINUE - Processing continues
 184          */
 185         WPS_CONTINUE,
 186
 187         /**
 188          * WPS_FAILURE - Processing failed
 189          */
 190         WPS_FAILURE,
 191
 192         /**
 193          * WPS_PENDING - Processing continues, but waiting for an external
 194          *      event (e.g., UPnP message from an external Registrar)
 195          */
 196         WPS_PENDING
 197 };
 198 enum wps_process_res wps_process_msg(struct wps_data *wps,
 199                                      enum wsc_op_code op_code,
 200                                      const struct wpabuf *msg);
 201
 202 struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code);
 203
 204 int wps_is_selected_pbc_registrar(const struct wpabuf *msg);
 205 int wps_is_selected_pin_registrar(const struct wpabuf *msg);
 206 int wps_ap_priority_compar(const struct wpabuf *wps_a,
 207                            const struct wpabuf *wps_b);
 208 int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
 209                            int ver1_compat);
 210 const u8 * wps_get_uuid_e(const struct wpabuf *msg);
 211
 212 struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type);
 213 struct wpabuf * wps_build_assoc_resp_ie(void);
 214 struct wpabuf * wps_build_probe_req_ie(int pbc, struct wps_device_data *dev,
 215                                        const u8 *uuid,
 216                                        enum wps_request_type req_type);
 217
 218
 219 /**
 220  * struct wps_registrar_config - WPS Registrar configuration
 221  */
 222 struct wps_registrar_config {
 223         /**
 224          * new_psk_cb - Callback for new PSK
 225          * @ctx: Higher layer context data (cb_ctx)
 226          * @mac_addr: MAC address of the Enrollee
 227          * @psk: The new PSK
 228          * @psk_len: The length of psk in octets
 229          * Returns: 0 on success, -1 on failure
 230          *
 231          * This callback is called when a new per-device PSK is provisioned.
 232          */
 233         int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
 234                           size_t psk_len);
 235
 236         /**
 237          * set_ie_cb - Callback for WPS IE changes
 238          * @ctx: Higher layer context data (cb_ctx)
 239          * @beacon_ie: WPS IE for Beacon
 240          * @probe_resp_ie: WPS IE for Probe Response
 241          * Returns: 0 on success, -1 on failure
 242          *
 243          * This callback is called whenever the WPS IE in Beacon or Probe
 244          * Response frames needs to be changed (AP only). Callee is responsible
 245          * for freeing the buffers.
 246          */
 247         int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
 248                          struct wpabuf *probe_resp_ie);
 249
 250         /**
 251          * pin_needed_cb - Callback for requesting a PIN
 252          * @ctx: Higher layer context data (cb_ctx)
 253          * @uuid_e: UUID-E of the unknown Enrollee
 254          * @dev: Device Data from the unknown Enrollee
 255          *
 256          * This callback is called whenever an unknown Enrollee requests to use
 257          * PIN method and a matching PIN (Device Password) is not found in
 258          * Registrar data.
 259          */
 260         void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
 261                               const struct wps_device_data *dev);
 262
 263         /**
 264          * reg_success_cb - Callback for reporting successful registration
 265          * @ctx: Higher layer context data (cb_ctx)
 266          * @mac_addr: MAC address of the Enrollee
 267          * @uuid_e: UUID-E of the Enrollee
 268          *
 269          * This callback is called whenever an Enrollee completes registration
 270          * successfully.
 271          */
 272         void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
 273                                const u8 *uuid_e);
 274
 275         /**
 276          * set_sel_reg_cb - Callback for reporting selected registrar changes
 277          * @ctx: Higher layer context data (cb_ctx)
 278          * @sel_reg: Whether the Registrar is selected
 279          * @dev_passwd_id: Device Password ID to indicate with method or
 280          *      specific password the Registrar intends to use
 281          * @sel_reg_config_methods: Bit field of active config methods
 282          *
 283          * This callback is called whenever the Selected Registrar state
 284          * changes (e.g., a new PIN becomes available or PBC is invoked). This
 285          * callback is only used by External Registrar implementation;
 286          * set_ie_cb() is used by AP implementation in similar caes, but it
 287          * provides the full WPS IE data instead of just the minimal Registrar
 288          * state information.
 289          */
 290         void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id,
 291                                u16 sel_reg_config_methods);
 292
 293         /**
 294          * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq
 295          * @ctx: Higher layer context data (cb_ctx)
 296          * @addr: MAC address of the Enrollee
 297          * @uuid_e: UUID of the Enrollee
 298          * @pri_dev_type: Primary device type
 299          * @config_methods: Config Methods
 300          * @dev_password_id: Device Password ID
 301          * @request_type: Request Type
 302          * @dev_name: Device Name (if available)
 303          */
 304         void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e,
 305                                  const u8 *pri_dev_type, u16 config_methods,
 306                                  u16 dev_password_id, u8 request_type,
 307                                  const char *dev_name);
 308
 309         /**
 310          * cb_ctx: Higher layer context data for Registrar callbacks
 311          */
 312         void *cb_ctx;
 313
 314         /**
 315          * skip_cred_build: Do not build credential
 316          *
 317          * This option can be used to disable internal code that builds
 318          * Credential attribute into M8 based on the current network
 319          * configuration and Enrollee capabilities. The extra_cred data will
 320          * then be used as the Credential(s).
 321          */
 322         int skip_cred_build;
 323
 324         /**
 325          * extra_cred: Additional Credential attribute(s)
 326          *
 327          * This optional data (set to %NULL to disable) can be used to add
 328          * Credential attribute(s) for other networks into M8. If
 329          * skip_cred_build is set, this will also override the automatically
 330          * generated Credential attribute.
 331          */
 332         const u8 *extra_cred;
 333
 334         /**
 335          * extra_cred_len: Length of extra_cred in octets
 336          */
 337         size_t extra_cred_len;
 338
 339         /**
 340          * disable_auto_conf - Disable auto-configuration on first registration
 341          *
 342          * By default, the AP that is started in not configured state will
 343          * generate a random PSK and move to configured state when the first
 344          * registration protocol run is completed successfully. This option can
 345          * be used to disable this functionality and leave it up to an external
 346          * program to take care of configuration. This requires the extra_cred
 347          * to be set with a suitable Credential and skip_cred_build being used.
 348          */
 349         int disable_auto_conf;
 350
 351         /**
 352          * static_wep_only - Whether the BSS supports only static WEP
 353          */
 354         int static_wep_only;
 355 };
 356
 357
 358 /**
 359  * enum wps_event - WPS event types
 360  */
 361 enum wps_event {
 362         /**
 363          * WPS_EV_M2D - M2D received (Registrar did not know us)
 364          */
 365         WPS_EV_M2D,
 366
 367         /**
 368          * WPS_EV_FAIL - Registration failed
 369          */
 370         WPS_EV_FAIL,
 371
 372         /**
 373          * WPS_EV_SUCCESS - Registration succeeded
 374          */
 375         WPS_EV_SUCCESS,
 376
 377         /**
 378          * WPS_EV_PWD_AUTH_FAIL - Password authentication failed
 379          */
 380         WPS_EV_PWD_AUTH_FAIL,
 381
 382         /**
 383          * WPS_EV_PBC_OVERLAP - PBC session overlap detected
 384          */
 385         WPS_EV_PBC_OVERLAP,
 386
 387         /**
 388          * WPS_EV_PBC_TIMEOUT - PBC walktime expired before protocol run start
 389          */
 390         WPS_EV_PBC_TIMEOUT,
 391
 392         /**
 393          * WPS_EV_ER_AP_ADD - ER: AP added
 394          */
 395         WPS_EV_ER_AP_ADD,
 396
 397         /**
 398          * WPS_EV_ER_AP_REMOVE - ER: AP removed
 399          */
 400         WPS_EV_ER_AP_REMOVE,
 401
 402         /**
 403          * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added
 404          */
 405         WPS_EV_ER_ENROLLEE_ADD,
 406
 407         /**
 408          * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed
 409          */
 410         WPS_EV_ER_ENROLLEE_REMOVE,
 411
 412         /**
 413          * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned
 414          */
 415         WPS_EV_ER_AP_SETTINGS
 416 };
 417
 418 /**
 419  * union wps_event_data - WPS event data
 420  */
 421 union wps_event_data {
 422         /**
 423          * struct wps_event_m2d - M2D event data
 424          */
 425         struct wps_event_m2d {
 426                 u16 config_methods;
 427                 const u8 *manufacturer;
 428                 size_t manufacturer_len;
 429                 const u8 *model_name;
 430                 size_t model_name_len;
 431                 const u8 *model_number;
 432                 size_t model_number_len;
 433                 const u8 *serial_number;
 434                 size_t serial_number_len;
 435                 const u8 *dev_name;
 436                 size_t dev_name_len;
 437                 const u8 *primary_dev_type; /* 8 octets */
 438                 u16 config_error;
 439                 u16 dev_password_id;
 440         } m2d;
 441
 442         /**
 443          * struct wps_event_fail - Registration failure information
 444          * @msg: enum wps_msg_type
 445          */
 446         struct wps_event_fail {
 447                 int msg;
 448         } fail;
 449
 450         struct wps_event_pwd_auth_fail {
 451                 int enrollee;
 452                 int part;
 453         } pwd_auth_fail;
 454
 455         struct wps_event_er_ap {
 456                 const u8 *uuid;
 457                 const u8 *mac_addr;
 458                 const char *friendly_name;
 459                 const char *manufacturer;
 460                 const char *manufacturer_url;
 461                 const char *model_description;
 462                 const char *model_name;
 463                 const char *model_number;
 464                 const char *model_url;
 465                 const char *serial_number;
 466                 const char *upc;
 467                 const u8 *pri_dev_type;
 468                 u8 wps_state;
 469         } ap;
 470
 471         struct wps_event_er_enrollee {
 472                 const u8 *uuid;
 473                 const u8 *mac_addr;
 474                 int m1_received;
 475                 u16 config_methods;
 476                 u16 dev_passwd_id;
 477                 const u8 *pri_dev_type;
 478                 const char *dev_name;
 479                 const char *manufacturer;
 480                 const char *model_name;
 481                 const char *model_number;
 482                 const char *serial_number;
 483         } enrollee;
 484
 485         struct wps_event_er_ap_settings {
 486                 const u8 *uuid;
 487                 const struct wps_credential *cred;
 488         } ap_settings;
 489 };
 490
 491 /**
 492  * struct upnp_pending_message - Pending PutWLANResponse messages
 493  * @next: Pointer to next pending message or %NULL
 494  * @addr: NewWLANEventMAC
 495  * @msg: NewMessage
 496  * @type: Message Type
 497  */
 498 struct upnp_pending_message {
 499         struct upnp_pending_message *next;
 500         u8 addr[ETH_ALEN];
 501         struct wpabuf *msg;
 502         enum wps_msg_type type;
 503 };
 504
 505 /**
 506  * struct wps_context - Long term WPS context data
 507  *
 508  * This data is stored at the higher layer Authenticator or Supplicant data
 509  * structures and it is maintained over multiple registration protocol runs.
 510  */
 511 struct wps_context {
 512         /**
 513          * ap - Whether the local end is an access point
 514          */
 515         int ap;
 516
 517         /**
 518          * registrar - Pointer to WPS registrar data from wps_registrar_init()
 519          */
 520         struct wps_registrar *registrar;
 521
 522         /**
 523          * wps_state - Current WPS state
 524          */
 525         enum wps_state wps_state;
 526
 527         /**
 528          * ap_setup_locked - Whether AP setup is locked (only used at AP)
 529          */
 530         int ap_setup_locked;
 531
 532         /**
 533          * uuid - Own UUID
 534          */
 535         u8 uuid[16];
 536
 537         /**
 538          * ssid - SSID
 539          *
 540          * This SSID is used by the Registrar to fill in information for
 541          * Credentials. In addition, AP uses it when acting as an Enrollee to
 542          * notify Registrar of the current configuration.
 543          */
 544         u8 ssid[32];
 545
 546         /**
 547          * ssid_len - Length of ssid in octets
 548          */
 549         size_t ssid_len;
 550
 551         /**
 552          * dev - Own WPS device data
 553          */
 554         struct wps_device_data dev;
 555
 556         /**
 557          * oob_conf - OOB Config data
 558          */
 559         struct oob_conf_data oob_conf;
 560
 561         /**
 562          * oob_dev_pw_id - OOB Device password id
 563          */
 564         u16 oob_dev_pw_id;
 565
 566         /**
 567          * dh_ctx - Context data for Diffie-Hellman operation
 568          */
 569         void *dh_ctx;
 570
 571         /**
 572          * dh_privkey - Diffie-Hellman private key
 573          */
 574         struct wpabuf *dh_privkey;
 575
 576         /**
 577          * dh_pubkey_oob - Diffie-Hellman public key
 578          */
 579         struct wpabuf *dh_pubkey;
 580
 581         /**
 582          * config_methods - Enabled configuration methods
 583          *
 584          * Bit field of WPS_CONFIG_*
 585          */
 586         u16 config_methods;
 587
 588         /**
 589          * encr_types - Enabled encryption types (bit field of WPS_ENCR_*)
 590          */
 591         u16 encr_types;
 592
 593         /**
 594          * auth_types - Authentication types (bit field of WPS_AUTH_*)
 595          */
 596         u16 auth_types;
 597
 598         /**
 599          * network_key - The current Network Key (PSK) or %NULL to generate new
 600          *
 601          * If %NULL, Registrar will generate per-device PSK. In addition, AP
 602          * uses this when acting as an Enrollee to notify Registrar of the
 603          * current configuration.
 604          *
 605          * When using WPA/WPA2-Person, this key can be either the ASCII
 606          * passphrase (8..63 characters) or the 32-octet PSK (64 hex
 607          * characters). When this is set to the ASCII passphrase, the PSK can
 608          * be provided in the psk buffer and used per-Enrollee to control which
 609          * key type is included in the Credential (e.g., to reduce calculation
 610          * need on low-powered devices by provisioning PSK while still allowing
 611          * other devices to get the passphrase).
 612          */
 613         u8 *network_key;
 614
 615         /**
 616          * network_key_len - Length of network_key in octets
 617          */
 618         size_t network_key_len;
 619
 620         /**
 621          * psk - The current network PSK
 622          *
 623          * This optional value can be used to provide the current PSK if
 624          * network_key is set to the ASCII passphrase.
 625          */
 626         u8 psk[32];
 627
 628         /**
 629          * psk_set - Whether psk value is set
 630          */
 631         int psk_set;
 632
 633         /**
 634          * ap_settings - AP Settings override for M7 (only used at AP)
 635          *
 636          * If %NULL, AP Settings attributes will be generated based on the
 637          * current network configuration.
 638          */
 639         u8 *ap_settings;
 640
 641         /**
 642          * ap_settings_len - Length of ap_settings in octets
 643          */
 644         size_t ap_settings_len;
 645
 646         /**
 647          * friendly_name - Friendly Name (required for UPnP)
 648          */
 649         char *friendly_name;
 650
 651         /**
 652          * manufacturer_url - Manufacturer URL (optional for UPnP)
 653          */
 654         char *manufacturer_url;
 655
 656         /**
 657          * model_description - Model Description (recommended for UPnP)
 658          */
 659         char *model_description;
 660
 661         /**
 662          * model_url - Model URL (optional for UPnP)
 663          */
 664         char *model_url;
 665
 666         /**
 667          * upc - Universal Product Code (optional for UPnP)
 668          */
 669         char *upc;
 670
 671         /**
 672          * cred_cb - Callback to notify that new Credentials were received
 673          * @ctx: Higher layer context data (cb_ctx)
 674          * @cred: The received Credential
 675          * Return: 0 on success, -1 on failure
 676          */
 677         int (*cred_cb)(void *ctx, const struct wps_credential *cred);
 678
 679         /**
 680          * event_cb - Event callback (state information about progress)
 681          * @ctx: Higher layer context data (cb_ctx)
 682          * @event: Event type
 683          * @data: Event data
 684          */
 685         void (*event_cb)(void *ctx, enum wps_event event,
 686                          union wps_event_data *data);
 687
 688         /**
 689          * cb_ctx: Higher layer context data for callbacks
 690          */
 691         void *cb_ctx;
 692
 693         struct upnp_wps_device_sm *wps_upnp;
 694
 695         /* Pending messages from UPnP PutWLANResponse */
 696         struct upnp_pending_message *upnp_msgs;
 697 };
 698
 699 struct oob_device_data {
 700         char *device_name;
 701         char *device_path;
 702         void * (*init_func)(struct wps_context *, struct oob_device_data *,
 703                             int);
 704         struct wpabuf * (*read_func)(void *);
 705         int (*write_func)(void *, struct wpabuf *);
 706         void (*deinit_func)(void *);
 707 };
 708
 709 struct oob_nfc_device_data {
 710         int (*init_func)(char *);
 711         void * (*read_func)(size_t *);
 712         int (*write_func)(void *, size_t);
 713         void (*deinit_func)(void);
 714 };
 715
 716 struct wps_registrar *
 717 wps_registrar_init(struct wps_context *wps,
 718                    const struct wps_registrar_config *cfg);
 719 void wps_registrar_deinit(struct wps_registrar *reg);
 720 int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr,
 721                           const u8 *uuid, const u8 *pin, size_t pin_len,
 722                           int timeout);
 723 int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
 724 int wps_registrar_wps_cancel(struct wps_registrar *reg);
 725 int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
 726 int wps_registrar_button_pushed(struct wps_registrar *reg);
 727 void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
 728                                 const struct wpabuf *wps_data,
 729                                 int p2p_wildcard);
 730 int wps_registrar_update_ie(struct wps_registrar *reg);
 731 int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
 732                            char *buf, size_t buflen);
 733
 734 unsigned int wps_pin_checksum(unsigned int pin);
 735 unsigned int wps_pin_valid(unsigned int pin);
 736 unsigned int wps_generate_pin(void);
 737 void wps_free_pending_msgs(struct upnp_pending_message *msgs);
 738
 739 struct oob_device_data * wps_get_oob_device(char *device_type);
 740 struct oob_nfc_device_data * wps_get_oob_nfc_device(char *device_name);
 741 int wps_get_oob_method(char *method);
 742 int wps_process_oob(struct wps_context *wps, struct oob_device_data *oob_dev,
 743                     int registrar);
 744 int wps_attr_text(struct wpabuf *data, char *buf, char *end);
 745
 746 struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname,
 747                             const char *filter);
 748 void wps_er_refresh(struct wps_er *er);
 749 void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx);
 750 void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id,
 751                         u16 sel_reg_config_methods);
 752 int wps_er_pbc(struct wps_er *er, const u8 *uuid);
 753 int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *pin,
 754                  size_t pin_len);
 755 int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *pin,
 756                   size_t pin_len, const struct wps_credential *cred);
 757
 758 int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]);
 759 char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf,
 760                             size_t buf_len);
 761 void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid);
 762 u16 wps_config_methods_str2bin(const char *str);
 763
 764 #ifdef CONFIG_WPS_STRICT
 765 int wps_validate_beacon(const struct wpabuf *wps_ie);
 766 int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe);
 767 int wps_validate_probe_req(const struct wpabuf *wps_ie);
 768 int wps_validate_assoc_req(const struct wpabuf *wps_ie);
 769 int wps_validate_assoc_resp(const struct wpabuf *wps_ie);
 770 int wps_validate_m1(const struct wpabuf *tlvs);
 771 int wps_validate_m2(const struct wpabuf *tlvs);
 772 int wps_validate_m2d(const struct wpabuf *tlvs);
 773 int wps_validate_m3(const struct wpabuf *tlvs);
 774 int wps_validate_m4(const struct wpabuf *tlvs);
 775 int wps_validate_m4_encr(const struct wpabuf *tlvs);
 776 int wps_validate_m5(const struct wpabuf *tlvs);
 777 int wps_validate_m5_encr(const struct wpabuf *tlvs);
 778 int wps_validate_m6(const struct wpabuf *tlvs);
 779 int wps_validate_m6_encr(const struct wpabuf *tlvs);
 780 int wps_validate_m7(const struct wpabuf *tlvs);
 781 int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap);
 782 int wps_validate_m8(const struct wpabuf *tlvs);
 783 int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap);
 784 int wps_validate_wsc_ack(const struct wpabuf *tlvs);
 785 int wps_validate_wsc_nack(const struct wpabuf *tlvs);
 786 int wps_validate_wsc_done(const struct wpabuf *tlvs);
 787 int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs);
 788 #else /* CONFIG_WPS_STRICT */
 789 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){
 790         return 0;
 791 }
 792
 793 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie,
 794                                                  int probe)
 795 {
 796         return 0;
 797 }
 798
 799 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie)
 800 {
 801         return 0;
 802 }
 803
 804 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie)
 805 {
 806         return 0;
 807 }
 808
 809 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie)
 810 {
 811         return 0;
 812 }
 813
 814 static inline int wps_validate_m1(const struct wpabuf *tlvs)
 815 {
 816         return 0;
 817 }
 818
 819 static inline int wps_validate_m2(const struct wpabuf *tlvs)
 820 {
 821         return 0;
 822 }
 823
 824 static inline int wps_validate_m2d(const struct wpabuf *tlvs)
 825 {
 826         return 0;
 827 }
 828
 829 static inline int wps_validate_m3(const struct wpabuf *tlvs)
 830 {
 831         return 0;
 832 }
 833
 834 static inline int wps_validate_m4(const struct wpabuf *tlvs)
 835 {
 836         return 0;
 837 }
 838
 839 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs)
 840 {
 841         return 0;
 842 }
 843
 844 static inline int wps_validate_m5(const struct wpabuf *tlvs)
 845 {
 846         return 0;
 847 }
 848
 849 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs)
 850 {
 851         return 0;
 852 }
 853
 854 static inline int wps_validate_m6(const struct wpabuf *tlvs)
 855 {
 856         return 0;
 857 }
 858
 859 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs)
 860 {
 861         return 0;
 862 }
 863
 864 static inline int wps_validate_m7(const struct wpabuf *tlvs)
 865 {
 866         return 0;
 867 }
 868
 869 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap)
 870 {
 871         return 0;
 872 }
 873
 874 static inline int wps_validate_m8(const struct wpabuf *tlvs)
 875 {
 876         return 0;
 877 }
 878
 879 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap)
 880 {
 881         return 0;
 882 }
 883
 884 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs)
 885 {
 886         return 0;
 887 }
 888
 889 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs)
 890 {
 891         return 0;
 892 }
 893
 894 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs)
 895 {
 896         return 0;
 897 }
 898
 899 static inline int wps_validate_upnp_set_selected_registrar(
 900         const struct wpabuf *tlvs)
 901 {
 902         return 0;
 903 }
 904 #endif /* CONFIG_WPS_STRICT */
 905
 906 #endif /* WPS_H */