1 /* 2 * Wi-Fi Protected Setup 3 * Copyright (c) 2007-2013, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef WPS_H 10 #define WPS_H 11 12 #include "wps_defs.h" 13 14 /** 15 * enum wsc_op_code - EAP-WSC OP-Code values 16 */ 17 enum wsc_op_code { 18 WSC_UPnP = 0 /* No OP Code in UPnP transport */, 19 WSC_Start = 0x01, 20 WSC_ACK = 0x02, 21 WSC_NACK = 0x03, 22 WSC_MSG = 0x04, 23 WSC_Done = 0x05, 24 WSC_FRAG_ACK = 0x06 25 }; 26 27 struct wps_registrar; 28 struct upnp_wps_device_sm; 29 struct wps_er; 30 struct wps_parse_attr; 31 32 /** 33 * struct wps_credential - WPS Credential 34 * @ssid: SSID 35 * @ssid_len: Length of SSID 36 * @auth_type: Authentication Type (WPS_AUTH_OPEN, .. flags) 37 * @encr_type: Encryption Type (WPS_ENCR_NONE, .. flags) 38 * @key_idx: Key index 39 * @key: Key 40 * @key_len: Key length in octets 41 * @mac_addr: MAC address of the Credential receiver 42 * @cred_attr: Unparsed Credential attribute data (used only in cred_cb()); 43 * this may be %NULL, if not used 44 * @cred_attr_len: Length of cred_attr in octets 45 */ 46 struct wps_credential { 47 u8 ssid[32]; 48 size_t ssid_len; 49 u16 auth_type; 50 u16 encr_type; 51 u8 key_idx; 52 u8 key[64]; 53 size_t key_len; 54 u8 mac_addr[ETH_ALEN]; 55 const u8 *cred_attr; 56 size_t cred_attr_len; 57 }; 58 59 #define WPS_DEV_TYPE_LEN 8 60 #define WPS_DEV_TYPE_BUFSIZE 21 61 #define WPS_SEC_DEV_TYPE_MAX_LEN 128 62 /* maximum number of advertised WPS vendor extension attributes */ 63 #define MAX_WPS_VENDOR_EXTENSIONS 10 64 /* maximum size of WPS Vendor extension attribute */ 65 #define WPS_MAX_VENDOR_EXT_LEN 1024 66 /* maximum number of parsed WPS vendor extension attributes */ 67 #define MAX_WPS_PARSE_VENDOR_EXT 10 68 69 /** 70 * struct wps_device_data - WPS Device Data 71 * @mac_addr: Device MAC address 72 * @device_name: Device Name (0..32 octets encoded in UTF-8) 73 * @manufacturer: Manufacturer (0..64 octets encoded in UTF-8) 74 * @model_name: Model Name (0..32 octets encoded in UTF-8) 75 * @model_number: Model Number (0..32 octets encoded in UTF-8) 76 * @serial_number: Serial Number (0..32 octets encoded in UTF-8) 77 * @pri_dev_type: Primary Device Type 78 * @sec_dev_type: Array of secondary device types 79 * @num_sec_dev_type: Number of secondary device types 80 * @os_version: OS Version 81 * @rf_bands: RF bands (WPS_RF_24GHZ, WPS_RF_50GHZ flags) 82 * @p2p: Whether the device is a P2P device 83 */ 84 struct wps_device_data { 85 u8 mac_addr[ETH_ALEN]; 86 char *device_name; 87 char *manufacturer; 88 char *model_name; 89 char *model_number; 90 char *serial_number; 91 u8 pri_dev_type[WPS_DEV_TYPE_LEN]; 92 #define WPS_SEC_DEVICE_TYPES 5 93 u8 sec_dev_type[WPS_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN]; 94 u8 num_sec_dev_types; 95 u32 os_version; 96 u8 rf_bands; 97 u16 config_methods; 98 struct wpabuf *vendor_ext_m1; 99 struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS]; 100 101 int p2p; 102 }; 103 104 /** 105 * struct wps_config - WPS configuration for a single registration protocol run 106 */ 107 struct wps_config { 108 /** 109 * wps - Pointer to long term WPS context 110 */ 111 struct wps_context *wps; 112 113 /** 114 * registrar - Whether this end is a Registrar 115 */ 116 int registrar; 117 118 /** 119 * pin - Enrollee Device Password (%NULL for Registrar or PBC) 120 */ 121 const u8 *pin; 122 123 /** 124 * pin_len - Length on pin in octets 125 */ 126 size_t pin_len; 127 128 /** 129 * pbc - Whether this is protocol run uses PBC 130 */ 131 int pbc; 132 133 /** 134 * assoc_wps_ie: (Re)AssocReq WPS IE (in AP; %NULL if not AP) 135 */ 136 const struct wpabuf *assoc_wps_ie; 137 138 /** 139 * new_ap_settings - New AP settings (%NULL if not used) 140 * 141 * This parameter provides new AP settings when using a wireless 142 * stations as a Registrar to configure the AP. %NULL means that AP 143 * will not be reconfigured, i.e., the station will only learn the 144 * current AP settings by using AP PIN. 145 */ 146 const struct wps_credential *new_ap_settings; 147 148 /** 149 * peer_addr: MAC address of the peer in AP; %NULL if not AP 150 */ 151 const u8 *peer_addr; 152 153 /** 154 * use_psk_key - Use PSK format key in Credential 155 * 156 * Force PSK format to be used instead of ASCII passphrase when 157 * building Credential for an Enrollee. The PSK value is set in 158 * struct wpa_context::psk. 159 */ 160 int use_psk_key; 161 162 /** 163 * dev_pw_id - Device Password ID for Enrollee when PIN is used 164 */ 165 u16 dev_pw_id; 166 167 /** 168 * p2p_dev_addr - P2P Device Address from (Re)Association Request 169 * 170 * On AP/GO, this is set to the P2P Device Address of the associating 171 * P2P client if a P2P IE is included in the (Re)Association Request 172 * frame and the P2P Device Address is included. Otherwise, this is set 173 * to %NULL to indicate the station does not have a P2P Device Address. 174 */ 175 const u8 *p2p_dev_addr; 176 177 /** 178 * pbc_in_m1 - Do not remove PushButton config method in M1 (AP) 179 * 180 * This can be used to enable a workaround to allow Windows 7 to use 181 * PBC with the AP. 182 */ 183 int pbc_in_m1; 184 185 /** 186 * peer_pubkey_hash - Peer public key hash or %NULL if not known 187 */ 188 const u8 *peer_pubkey_hash; 189 }; 190 191 struct wps_data * wps_init(const struct wps_config *cfg); 192 193 void wps_deinit(struct wps_data *data); 194 195 /** 196 * enum wps_process_res - WPS message processing result 197 */ 198 enum wps_process_res { 199 /** 200 * WPS_DONE - Processing done 201 */ 202 WPS_DONE, 203 204 /** 205 * WPS_CONTINUE - Processing continues 206 */ 207 WPS_CONTINUE, 208 209 /** 210 * WPS_FAILURE - Processing failed 211 */ 212 WPS_FAILURE, 213 214 /** 215 * WPS_PENDING - Processing continues, but waiting for an external 216 * event (e.g., UPnP message from an external Registrar) 217 */ 218 WPS_PENDING 219 }; 220 enum wps_process_res wps_process_msg(struct wps_data *wps, 221 enum wsc_op_code op_code, 222 const struct wpabuf *msg); 223 224 struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code); 225 226 int wps_is_selected_pbc_registrar(const struct wpabuf *msg); 227 int wps_is_selected_pin_registrar(const struct wpabuf *msg); 228 int wps_ap_priority_compar(const struct wpabuf *wps_a, 229 const struct wpabuf *wps_b); 230 int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr, 231 int ver1_compat); 232 const u8 * wps_get_uuid_e(const struct wpabuf *msg); 233 int wps_is_20(const struct wpabuf *msg); 234 235 struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type); 236 struct wpabuf * wps_build_assoc_resp_ie(void); 237 struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev, 238 const u8 *uuid, 239 enum wps_request_type req_type, 240 unsigned int num_req_dev_types, 241 const u8 *req_dev_types); 242 243 244 /** 245 * struct wps_registrar_config - WPS Registrar configuration 246 */ 247 struct wps_registrar_config { 248 /** 249 * new_psk_cb - Callback for new PSK 250 * @ctx: Higher layer context data (cb_ctx) 251 * @mac_addr: MAC address of the Enrollee 252 * @p2p_dev_addr: P2P Device Address of the Enrollee or all zeros if not 253 * @psk: The new PSK 254 * @psk_len: The length of psk in octets 255 * Returns: 0 on success, -1 on failure 256 * 257 * This callback is called when a new per-device PSK is provisioned. 258 */ 259 int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr, 260 const u8 *psk, size_t psk_len); 261 262 /** 263 * set_ie_cb - Callback for WPS IE changes 264 * @ctx: Higher layer context data (cb_ctx) 265 * @beacon_ie: WPS IE for Beacon 266 * @probe_resp_ie: WPS IE for Probe Response 267 * Returns: 0 on success, -1 on failure 268 * 269 * This callback is called whenever the WPS IE in Beacon or Probe 270 * Response frames needs to be changed (AP only). Callee is responsible 271 * for freeing the buffers. 272 */ 273 int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie, 274 struct wpabuf *probe_resp_ie); 275 276 /** 277 * pin_needed_cb - Callback for requesting a PIN 278 * @ctx: Higher layer context data (cb_ctx) 279 * @uuid_e: UUID-E of the unknown Enrollee 280 * @dev: Device Data from the unknown Enrollee 281 * 282 * This callback is called whenever an unknown Enrollee requests to use 283 * PIN method and a matching PIN (Device Password) is not found in 284 * Registrar data. 285 */ 286 void (*pin_needed_cb)(void *ctx, const u8 *uuid_e, 287 const struct wps_device_data *dev); 288 289 /** 290 * reg_success_cb - Callback for reporting successful registration 291 * @ctx: Higher layer context data (cb_ctx) 292 * @mac_addr: MAC address of the Enrollee 293 * @uuid_e: UUID-E of the Enrollee 294 * @dev_pw: Device Password (PIN) used during registration 295 * @dev_pw_len: Length of dev_pw in octets 296 * 297 * This callback is called whenever an Enrollee completes registration 298 * successfully. 299 */ 300 void (*reg_success_cb)(void *ctx, const u8 *mac_addr, 301 const u8 *uuid_e, const u8 *dev_pw, 302 size_t dev_pw_len); 303 304 /** 305 * set_sel_reg_cb - Callback for reporting selected registrar changes 306 * @ctx: Higher layer context data (cb_ctx) 307 * @sel_reg: Whether the Registrar is selected 308 * @dev_passwd_id: Device Password ID to indicate with method or 309 * specific password the Registrar intends to use 310 * @sel_reg_config_methods: Bit field of active config methods 311 * 312 * This callback is called whenever the Selected Registrar state 313 * changes (e.g., a new PIN becomes available or PBC is invoked). This 314 * callback is only used by External Registrar implementation; 315 * set_ie_cb() is used by AP implementation in similar caes, but it 316 * provides the full WPS IE data instead of just the minimal Registrar 317 * state information. 318 */ 319 void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id, 320 u16 sel_reg_config_methods); 321 322 /** 323 * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq 324 * @ctx: Higher layer context data (cb_ctx) 325 * @addr: MAC address of the Enrollee 326 * @uuid_e: UUID of the Enrollee 327 * @pri_dev_type: Primary device type 328 * @config_methods: Config Methods 329 * @dev_password_id: Device Password ID 330 * @request_type: Request Type 331 * @dev_name: Device Name (if available) 332 */ 333 void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e, 334 const u8 *pri_dev_type, u16 config_methods, 335 u16 dev_password_id, u8 request_type, 336 const char *dev_name); 337 338 /** 339 * cb_ctx: Higher layer context data for Registrar callbacks 340 */ 341 void *cb_ctx; 342 343 /** 344 * skip_cred_build: Do not build credential 345 * 346 * This option can be used to disable internal code that builds 347 * Credential attribute into M8 based on the current network 348 * configuration and Enrollee capabilities. The extra_cred data will 349 * then be used as the Credential(s). 350 */ 351 int skip_cred_build; 352 353 /** 354 * extra_cred: Additional Credential attribute(s) 355 * 356 * This optional data (set to %NULL to disable) can be used to add 357 * Credential attribute(s) for other networks into M8. If 358 * skip_cred_build is set, this will also override the automatically 359 * generated Credential attribute. 360 */ 361 const u8 *extra_cred; 362 363 /** 364 * extra_cred_len: Length of extra_cred in octets 365 */ 366 size_t extra_cred_len; 367 368 /** 369 * disable_auto_conf - Disable auto-configuration on first registration 370 * 371 * By default, the AP that is started in not configured state will 372 * generate a random PSK and move to configured state when the first 373 * registration protocol run is completed successfully. This option can 374 * be used to disable this functionality and leave it up to an external 375 * program to take care of configuration. This requires the extra_cred 376 * to be set with a suitable Credential and skip_cred_build being used. 377 */ 378 int disable_auto_conf; 379 380 /** 381 * static_wep_only - Whether the BSS supports only static WEP 382 */ 383 int static_wep_only; 384 385 /** 386 * dualband - Whether this is a concurrent dualband AP 387 */ 388 int dualband; 389 390 /** 391 * force_per_enrollee_psk - Force per-Enrollee random PSK 392 * 393 * This forces per-Enrollee random PSK to be generated even if a default 394 * PSK is set for a network. 395 */ 396 int force_per_enrollee_psk; 397 }; 398 399 400 /** 401 * enum wps_event - WPS event types 402 */ 403 enum wps_event { 404 /** 405 * WPS_EV_M2D - M2D received (Registrar did not know us) 406 */ 407 WPS_EV_M2D, 408 409 /** 410 * WPS_EV_FAIL - Registration failed 411 */ 412 WPS_EV_FAIL, 413 414 /** 415 * WPS_EV_SUCCESS - Registration succeeded 416 */ 417 WPS_EV_SUCCESS, 418 419 /** 420 * WPS_EV_PWD_AUTH_FAIL - Password authentication failed 421 */ 422 WPS_EV_PWD_AUTH_FAIL, 423 424 /** 425 * WPS_EV_PBC_OVERLAP - PBC session overlap detected 426 */ 427 WPS_EV_PBC_OVERLAP, 428 429 /** 430 * WPS_EV_PBC_TIMEOUT - PBC walktime expired before protocol run start 431 */ 432 WPS_EV_PBC_TIMEOUT, 433 434 /** 435 * WPS_EV_PBC_ACTIVE - PBC mode was activated 436 */ 437 WPS_EV_PBC_ACTIVE, 438 439 /** 440 * WPS_EV_PBC_DISABLE - PBC mode was disabled 441 */ 442 WPS_EV_PBC_DISABLE, 443 444 /** 445 * WPS_EV_ER_AP_ADD - ER: AP added 446 */ 447 WPS_EV_ER_AP_ADD, 448 449 /** 450 * WPS_EV_ER_AP_REMOVE - ER: AP removed 451 */ 452 WPS_EV_ER_AP_REMOVE, 453 454 /** 455 * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added 456 */ 457 WPS_EV_ER_ENROLLEE_ADD, 458 459 /** 460 * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed 461 */ 462 WPS_EV_ER_ENROLLEE_REMOVE, 463 464 /** 465 * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned 466 */ 467 WPS_EV_ER_AP_SETTINGS, 468 469 /** 470 * WPS_EV_ER_SET_SELECTED_REGISTRAR - ER: SetSelectedRegistrar event 471 */ 472 WPS_EV_ER_SET_SELECTED_REGISTRAR, 473 474 /** 475 * WPS_EV_AP_PIN_SUCCESS - External Registrar used correct AP PIN 476 */ 477 WPS_EV_AP_PIN_SUCCESS 478 }; 479 480 /** 481 * union wps_event_data - WPS event data 482 */ 483 union wps_event_data { 484 /** 485 * struct wps_event_m2d - M2D event data 486 */ 487 struct wps_event_m2d { 488 u16 config_methods; 489 const u8 *manufacturer; 490 size_t manufacturer_len; 491 const u8 *model_name; 492 size_t model_name_len; 493 const u8 *model_number; 494 size_t model_number_len; 495 const u8 *serial_number; 496 size_t serial_number_len; 497 const u8 *dev_name; 498 size_t dev_name_len; 499 const u8 *primary_dev_type; /* 8 octets */ 500 u16 config_error; 501 u16 dev_password_id; 502 } m2d; 503 504 /** 505 * struct wps_event_fail - Registration failure information 506 * @msg: enum wps_msg_type 507 */ 508 struct wps_event_fail { 509 int msg; 510 u16 config_error; 511 u16 error_indication; 512 u8 peer_macaddr[ETH_ALEN]; 513 } fail; 514 515 struct wps_event_success { 516 u8 peer_macaddr[ETH_ALEN]; 517 } success; 518 519 struct wps_event_pwd_auth_fail { 520 int enrollee; 521 int part; 522 u8 peer_macaddr[ETH_ALEN]; 523 } pwd_auth_fail; 524 525 struct wps_event_er_ap { 526 const u8 *uuid; 527 const u8 *mac_addr; 528 const char *friendly_name; 529 const char *manufacturer; 530 const char *manufacturer_url; 531 const char *model_description; 532 const char *model_name; 533 const char *model_number; 534 const char *model_url; 535 const char *serial_number; 536 const char *upc; 537 const u8 *pri_dev_type; 538 u8 wps_state; 539 } ap; 540 541 struct wps_event_er_enrollee { 542 const u8 *uuid; 543 const u8 *mac_addr; 544 int m1_received; 545 u16 config_methods; 546 u16 dev_passwd_id; 547 const u8 *pri_dev_type; 548 const char *dev_name; 549 const char *manufacturer; 550 const char *model_name; 551 const char *model_number; 552 const char *serial_number; 553 } enrollee; 554 555 struct wps_event_er_ap_settings { 556 const u8 *uuid; 557 const struct wps_credential *cred; 558 } ap_settings; 559 560 struct wps_event_er_set_selected_registrar { 561 const u8 *uuid; 562 int sel_reg; 563 u16 dev_passwd_id; 564 u16 sel_reg_config_methods; 565 enum { 566 WPS_ER_SET_SEL_REG_START, 567 WPS_ER_SET_SEL_REG_DONE, 568 WPS_ER_SET_SEL_REG_FAILED 569 } state; 570 } set_sel_reg; 571 }; 572 573 /** 574 * struct upnp_pending_message - Pending PutWLANResponse messages 575 * @next: Pointer to next pending message or %NULL 576 * @addr: NewWLANEventMAC 577 * @msg: NewMessage 578 * @type: Message Type 579 */ 580 struct upnp_pending_message { 581 struct upnp_pending_message *next; 582 u8 addr[ETH_ALEN]; 583 struct wpabuf *msg; 584 enum wps_msg_type type; 585 }; 586 587 /** 588 * struct wps_context - Long term WPS context data 589 * 590 * This data is stored at the higher layer Authenticator or Supplicant data 591 * structures and it is maintained over multiple registration protocol runs. 592 */ 593 struct wps_context { 594 /** 595 * ap - Whether the local end is an access point 596 */ 597 int ap; 598 599 /** 600 * registrar - Pointer to WPS registrar data from wps_registrar_init() 601 */ 602 struct wps_registrar *registrar; 603 604 /** 605 * wps_state - Current WPS state 606 */ 607 enum wps_state wps_state; 608 609 /** 610 * ap_setup_locked - Whether AP setup is locked (only used at AP) 611 */ 612 int ap_setup_locked; 613 614 /** 615 * uuid - Own UUID 616 */ 617 u8 uuid[16]; 618 619 /** 620 * ssid - SSID 621 * 622 * This SSID is used by the Registrar to fill in information for 623 * Credentials. In addition, AP uses it when acting as an Enrollee to 624 * notify Registrar of the current configuration. 625 */ 626 u8 ssid[32]; 627 628 /** 629 * ssid_len - Length of ssid in octets 630 */ 631 size_t ssid_len; 632 633 /** 634 * dev - Own WPS device data 635 */ 636 struct wps_device_data dev; 637 638 /** 639 * dh_ctx - Context data for Diffie-Hellman operation 640 */ 641 void *dh_ctx; 642 643 /** 644 * dh_privkey - Diffie-Hellman private key 645 */ 646 struct wpabuf *dh_privkey; 647 648 /** 649 * dh_pubkey_oob - Diffie-Hellman public key 650 */ 651 struct wpabuf *dh_pubkey; 652 653 /** 654 * config_methods - Enabled configuration methods 655 * 656 * Bit field of WPS_CONFIG_* 657 */ 658 u16 config_methods; 659 660 /** 661 * encr_types - Enabled encryption types (bit field of WPS_ENCR_*) 662 */ 663 u16 encr_types; 664 665 /** 666 * auth_types - Authentication types (bit field of WPS_AUTH_*) 667 */ 668 u16 auth_types; 669 670 /** 671 * encr_types - Current AP encryption type (WPS_ENCR_*) 672 */ 673 u16 ap_encr_type; 674 675 /** 676 * ap_auth_type - Current AP authentication types (WPS_AUTH_*) 677 */ 678 u16 ap_auth_type; 679 680 /** 681 * network_key - The current Network Key (PSK) or %NULL to generate new 682 * 683 * If %NULL, Registrar will generate per-device PSK. In addition, AP 684 * uses this when acting as an Enrollee to notify Registrar of the 685 * current configuration. 686 * 687 * When using WPA/WPA2-Person, this key can be either the ASCII 688 * passphrase (8..63 characters) or the 32-octet PSK (64 hex 689 * characters). When this is set to the ASCII passphrase, the PSK can 690 * be provided in the psk buffer and used per-Enrollee to control which 691 * key type is included in the Credential (e.g., to reduce calculation 692 * need on low-powered devices by provisioning PSK while still allowing 693 * other devices to get the passphrase). 694 */ 695 u8 *network_key; 696 697 /** 698 * network_key_len - Length of network_key in octets 699 */ 700 size_t network_key_len; 701 702 /** 703 * psk - The current network PSK 704 * 705 * This optional value can be used to provide the current PSK if 706 * network_key is set to the ASCII passphrase. 707 */ 708 u8 psk[32]; 709 710 /** 711 * psk_set - Whether psk value is set 712 */ 713 int psk_set; 714 715 /** 716 * ap_settings - AP Settings override for M7 (only used at AP) 717 * 718 * If %NULL, AP Settings attributes will be generated based on the 719 * current network configuration. 720 */ 721 u8 *ap_settings; 722 723 /** 724 * ap_settings_len - Length of ap_settings in octets 725 */ 726 size_t ap_settings_len; 727 728 /** 729 * friendly_name - Friendly Name (required for UPnP) 730 */ 731 char *friendly_name; 732 733 /** 734 * manufacturer_url - Manufacturer URL (optional for UPnP) 735 */ 736 char *manufacturer_url; 737 738 /** 739 * model_description - Model Description (recommended for UPnP) 740 */ 741 char *model_description; 742 743 /** 744 * model_url - Model URL (optional for UPnP) 745 */ 746 char *model_url; 747 748 /** 749 * upc - Universal Product Code (optional for UPnP) 750 */ 751 char *upc; 752 753 /** 754 * cred_cb - Callback to notify that new Credentials were received 755 * @ctx: Higher layer context data (cb_ctx) 756 * @cred: The received Credential 757 * Return: 0 on success, -1 on failure 758 */ 759 int (*cred_cb)(void *ctx, const struct wps_credential *cred); 760 761 /** 762 * event_cb - Event callback (state information about progress) 763 * @ctx: Higher layer context data (cb_ctx) 764 * @event: Event type 765 * @data: Event data 766 */ 767 void (*event_cb)(void *ctx, enum wps_event event, 768 union wps_event_data *data); 769 770 /** 771 * rf_band_cb - Fetch currently used RF band 772 * @ctx: Higher layer context data (cb_ctx) 773 * Return: Current used RF band or 0 if not known 774 */ 775 int (*rf_band_cb)(void *ctx); 776 777 /** 778 * cb_ctx: Higher layer context data for callbacks 779 */ 780 void *cb_ctx; 781 782 struct upnp_wps_device_sm *wps_upnp; 783 784 /* Pending messages from UPnP PutWLANResponse */ 785 struct upnp_pending_message *upnp_msgs; 786 787 u16 ap_nfc_dev_pw_id; 788 struct wpabuf *ap_nfc_dh_pubkey; 789 struct wpabuf *ap_nfc_dh_privkey; 790 struct wpabuf *ap_nfc_dev_pw; 791 }; 792 793 struct wps_registrar * 794 wps_registrar_init(struct wps_context *wps, 795 const struct wps_registrar_config *cfg); 796 void wps_registrar_deinit(struct wps_registrar *reg); 797 int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 798 const u8 *uuid, const u8 *pin, size_t pin_len, 799 int timeout); 800 int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid); 801 int wps_registrar_wps_cancel(struct wps_registrar *reg); 802 int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid); 803 int wps_registrar_button_pushed(struct wps_registrar *reg, 804 const u8 *p2p_dev_addr); 805 void wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 806 const u8 *dev_pw, size_t dev_pw_len); 807 void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 808 const struct wpabuf *wps_data, 809 int p2p_wildcard); 810 int wps_registrar_update_ie(struct wps_registrar *reg); 811 int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 812 char *buf, size_t buflen); 813 int wps_registrar_config_ap(struct wps_registrar *reg, 814 struct wps_credential *cred); 815 int wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 816 const u8 *pubkey_hash, u16 pw_id, 817 const u8 *dev_pw, size_t dev_pw_len, 818 int pk_hash_provided_oob); 819 int wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 820 const u8 *oob_dev_pw, 821 size_t oob_dev_pw_len); 822 void wps_registrar_flush(struct wps_registrar *reg); 823 824 int wps_build_credential_wrap(struct wpabuf *msg, 825 const struct wps_credential *cred); 826 827 unsigned int wps_pin_checksum(unsigned int pin); 828 unsigned int wps_pin_valid(unsigned int pin); 829 unsigned int wps_generate_pin(void); 830 int wps_pin_str_valid(const char *pin); 831 void wps_free_pending_msgs(struct upnp_pending_message *msgs); 832 833 struct wpabuf * wps_get_oob_cred(struct wps_context *wps, int rf_band, 834 int channel); 835 int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr); 836 int wps_attr_text(struct wpabuf *data, char *buf, char *end); 837 const char * wps_ei_str(enum wps_error_indication ei); 838 839 struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname, 840 const char *filter); 841 void wps_er_refresh(struct wps_er *er); 842 void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx); 843 void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id, 844 u16 sel_reg_config_methods); 845 int wps_er_pbc(struct wps_er *er, const u8 *uuid, const u8 *addr); 846 const u8 * wps_er_get_sta_uuid(struct wps_er *er, const u8 *addr); 847 int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *addr, 848 const u8 *pin, size_t pin_len); 849 int wps_er_set_config(struct wps_er *er, const u8 *uuid, const u8 *addr, 850 const struct wps_credential *cred); 851 int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *addr, 852 const u8 *pin, size_t pin_len, 853 const struct wps_credential *cred); 854 struct wpabuf * wps_er_config_token_from_cred(struct wps_context *wps, 855 struct wps_credential *cred); 856 struct wpabuf * wps_er_nfc_config_token(struct wps_er *er, const u8 *uuid, 857 const u8 *addr); 858 struct wpabuf * wps_er_nfc_handover_sel(struct wps_er *er, 859 struct wps_context *wps, const u8 *uuid, 860 const u8 *addr, struct wpabuf *pubkey); 861 862 int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]); 863 char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf, 864 size_t buf_len); 865 void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid); 866 u16 wps_config_methods_str2bin(const char *str); 867 struct wpabuf * wps_build_nfc_pw_token(u16 dev_pw_id, 868 const struct wpabuf *pubkey, 869 const struct wpabuf *dev_pw); 870 struct wpabuf * wps_nfc_token_build(int ndef, int id, struct wpabuf *pubkey, 871 struct wpabuf *dev_pw); 872 int wps_nfc_gen_dh(struct wpabuf **pubkey, struct wpabuf **privkey); 873 struct wpabuf * wps_nfc_token_gen(int ndef, int *id, struct wpabuf **pubkey, 874 struct wpabuf **privkey, 875 struct wpabuf **dev_pw); 876 struct wpabuf * wps_build_nfc_handover_req(struct wps_context *ctx, 877 struct wpabuf *nfc_dh_pubkey); 878 struct wpabuf * wps_build_nfc_handover_sel(struct wps_context *ctx, 879 struct wpabuf *nfc_dh_pubkey, 880 const u8 *bssid, int freq); 881 struct wpabuf * wps_build_nfc_handover_req_p2p(struct wps_context *ctx, 882 struct wpabuf *nfc_dh_pubkey); 883 struct wpabuf * wps_build_nfc_handover_sel_p2p(struct wps_context *ctx, 884 int nfc_dev_pw_id, 885 struct wpabuf *nfc_dh_pubkey, 886 struct wpabuf *nfc_dev_pw); 887 888 /* ndef.c */ 889 struct wpabuf * ndef_parse_wifi(const struct wpabuf *buf); 890 struct wpabuf * ndef_build_wifi(const struct wpabuf *buf); 891 struct wpabuf * ndef_parse_p2p(const struct wpabuf *buf); 892 struct wpabuf * ndef_build_p2p(const struct wpabuf *buf); 893 894 #ifdef CONFIG_WPS_STRICT 895 int wps_validate_beacon(const struct wpabuf *wps_ie); 896 int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe, 897 const u8 *addr); 898 int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr); 899 int wps_validate_assoc_req(const struct wpabuf *wps_ie); 900 int wps_validate_assoc_resp(const struct wpabuf *wps_ie); 901 int wps_validate_m1(const struct wpabuf *tlvs); 902 int wps_validate_m2(const struct wpabuf *tlvs); 903 int wps_validate_m2d(const struct wpabuf *tlvs); 904 int wps_validate_m3(const struct wpabuf *tlvs); 905 int wps_validate_m4(const struct wpabuf *tlvs); 906 int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2); 907 int wps_validate_m5(const struct wpabuf *tlvs); 908 int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2); 909 int wps_validate_m6(const struct wpabuf *tlvs); 910 int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2); 911 int wps_validate_m7(const struct wpabuf *tlvs); 912 int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2); 913 int wps_validate_m8(const struct wpabuf *tlvs); 914 int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2); 915 int wps_validate_wsc_ack(const struct wpabuf *tlvs); 916 int wps_validate_wsc_nack(const struct wpabuf *tlvs); 917 int wps_validate_wsc_done(const struct wpabuf *tlvs); 918 int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs); 919 #else /* CONFIG_WPS_STRICT */ 920 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){ 921 return 0; 922 } 923 924 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, 925 int probe, const u8 *addr) 926 { 927 return 0; 928 } 929 930 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie, 931 const u8 *addr) 932 { 933 return 0; 934 } 935 936 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie) 937 { 938 return 0; 939 } 940 941 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie) 942 { 943 return 0; 944 } 945 946 static inline int wps_validate_m1(const struct wpabuf *tlvs) 947 { 948 return 0; 949 } 950 951 static inline int wps_validate_m2(const struct wpabuf *tlvs) 952 { 953 return 0; 954 } 955 956 static inline int wps_validate_m2d(const struct wpabuf *tlvs) 957 { 958 return 0; 959 } 960 961 static inline int wps_validate_m3(const struct wpabuf *tlvs) 962 { 963 return 0; 964 } 965 966 static inline int wps_validate_m4(const struct wpabuf *tlvs) 967 { 968 return 0; 969 } 970 971 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2) 972 { 973 return 0; 974 } 975 976 static inline int wps_validate_m5(const struct wpabuf *tlvs) 977 { 978 return 0; 979 } 980 981 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2) 982 { 983 return 0; 984 } 985 986 static inline int wps_validate_m6(const struct wpabuf *tlvs) 987 { 988 return 0; 989 } 990 991 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2) 992 { 993 return 0; 994 } 995 996 static inline int wps_validate_m7(const struct wpabuf *tlvs) 997 { 998 return 0; 999 } 1000 1001 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, 1002 int wps2) 1003 { 1004 return 0; 1005 } 1006 1007 static inline int wps_validate_m8(const struct wpabuf *tlvs) 1008 { 1009 return 0; 1010 } 1011 1012 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, 1013 int wps2) 1014 { 1015 return 0; 1016 } 1017 1018 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs) 1019 { 1020 return 0; 1021 } 1022 1023 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs) 1024 { 1025 return 0; 1026 } 1027 1028 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs) 1029 { 1030 return 0; 1031 } 1032 1033 static inline int wps_validate_upnp_set_selected_registrar( 1034 const struct wpabuf *tlvs) 1035 { 1036 return 0; 1037 } 1038 #endif /* CONFIG_WPS_STRICT */ 1039 1040 #endif /* WPS_H */ 1041