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