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