1 /* 2 * Wi-Fi Protected Setup 3 * Copyright (c) 2007-2012, Jouni Malinen <j (at) 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 */ 888 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){ 889 return 0; 890 } 891 892 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, 893 int probe, const u8 *addr) 894 { 895 return 0; 896 } 897 898 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie, 899 const u8 *addr) 900 { 901 return 0; 902 } 903 904 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie) 905 { 906 return 0; 907 } 908 909 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie) 910 { 911 return 0; 912 } 913 914 static inline int wps_validate_m1(const struct wpabuf *tlvs) 915 { 916 return 0; 917 } 918 919 static inline int wps_validate_m2(const struct wpabuf *tlvs) 920 { 921 return 0; 922 } 923 924 static inline int wps_validate_m2d(const struct wpabuf *tlvs) 925 { 926 return 0; 927 } 928 929 static inline int wps_validate_m3(const struct wpabuf *tlvs) 930 { 931 return 0; 932 } 933 934 static inline int wps_validate_m4(const struct wpabuf *tlvs) 935 { 936 return 0; 937 } 938 939 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2) 940 { 941 return 0; 942 } 943 944 static inline int wps_validate_m5(const struct wpabuf *tlvs) 945 { 946 return 0; 947 } 948 949 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2) 950 { 951 return 0; 952 } 953 954 static inline int wps_validate_m6(const struct wpabuf *tlvs) 955 { 956 return 0; 957 } 958 959 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2) 960 { 961 return 0; 962 } 963 964 static inline int wps_validate_m7(const struct wpabuf *tlvs) 965 { 966 return 0; 967 } 968 969 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, 970 int wps2) 971 { 972 return 0; 973 } 974 975 static inline int wps_validate_m8(const struct wpabuf *tlvs) 976 { 977 return 0; 978 } 979 980 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, 981 int wps2) 982 { 983 return 0; 984 } 985 986 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs) 987 { 988 return 0; 989 } 990 991 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs) 992 { 993 return 0; 994 } 995 996 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs) 997 { 998 return 0; 999 } 1000 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