1 /* 2 * Wi-Fi Protected Setup 3 * Copyright (c) 2007-2013, 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 * @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 struct wps_data * wps_init(const struct wps_config *cfg); 189 190 void wps_deinit(struct wps_data *data); 191 192 /** 193 * enum wps_process_res - WPS message processing result 194 */ 195 enum wps_process_res { 196 /** 197 * WPS_DONE - Processing done 198 */ 199 WPS_DONE, 200 201 /** 202 * WPS_CONTINUE - Processing continues 203 */ 204 WPS_CONTINUE, 205 206 /** 207 * WPS_FAILURE - Processing failed 208 */ 209 WPS_FAILURE, 210 211 /** 212 * WPS_PENDING - Processing continues, but waiting for an external 213 * event (e.g., UPnP message from an external Registrar) 214 */ 215 WPS_PENDING 216 }; 217 enum wps_process_res wps_process_msg(struct wps_data *wps, 218 enum wsc_op_code op_code, 219 const struct wpabuf *msg); 220 221 struct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code); 222 223 int wps_is_selected_pbc_registrar(const struct wpabuf *msg); 224 int wps_is_selected_pin_registrar(const struct wpabuf *msg); 225 int wps_ap_priority_compar(const struct wpabuf *wps_a, 226 const struct wpabuf *wps_b); 227 int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr, 228 int ver1_compat); 229 const u8 * wps_get_uuid_e(const struct wpabuf *msg); 230 int wps_is_20(const struct wpabuf *msg); 231 232 struct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type); 233 struct wpabuf * wps_build_assoc_resp_ie(void); 234 struct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev, 235 const u8 *uuid, 236 enum wps_request_type req_type, 237 unsigned int num_req_dev_types, 238 const u8 *req_dev_types); 239 240 241 /** 242 * struct wps_registrar_config - WPS Registrar configuration 243 */ 244 struct wps_registrar_config { 245 /** 246 * new_psk_cb - Callback for new PSK 247 * @ctx: Higher layer context data (cb_ctx) 248 * @mac_addr: MAC address of the Enrollee 249 * @p2p_dev_addr: P2P Device Address of the Enrollee or all zeros if not 250 * @psk: The new PSK 251 * @psk_len: The length of psk in octets 252 * Returns: 0 on success, -1 on failure 253 * 254 * This callback is called when a new per-device PSK is provisioned. 255 */ 256 int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr, 257 const u8 *psk, size_t psk_len); 258 259 /** 260 * set_ie_cb - Callback for WPS IE changes 261 * @ctx: Higher layer context data (cb_ctx) 262 * @beacon_ie: WPS IE for Beacon 263 * @probe_resp_ie: WPS IE for Probe Response 264 * Returns: 0 on success, -1 on failure 265 * 266 * This callback is called whenever the WPS IE in Beacon or Probe 267 * Response frames needs to be changed (AP only). Callee is responsible 268 * for freeing the buffers. 269 */ 270 int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie, 271 struct wpabuf *probe_resp_ie); 272 273 /** 274 * pin_needed_cb - Callback for requesting a PIN 275 * @ctx: Higher layer context data (cb_ctx) 276 * @uuid_e: UUID-E of the unknown Enrollee 277 * @dev: Device Data from the unknown Enrollee 278 * 279 * This callback is called whenever an unknown Enrollee requests to use 280 * PIN method and a matching PIN (Device Password) is not found in 281 * Registrar data. 282 */ 283 void (*pin_needed_cb)(void *ctx, const u8 *uuid_e, 284 const struct wps_device_data *dev); 285 286 /** 287 * reg_success_cb - Callback for reporting successful registration 288 * @ctx: Higher layer context data (cb_ctx) 289 * @mac_addr: MAC address of the Enrollee 290 * @uuid_e: UUID-E of the Enrollee 291 * @dev_pw: Device Password (PIN) used during registration 292 * @dev_pw_len: Length of dev_pw in octets 293 * 294 * This callback is called whenever an Enrollee completes registration 295 * successfully. 296 */ 297 void (*reg_success_cb)(void *ctx, const u8 *mac_addr, 298 const u8 *uuid_e, const u8 *dev_pw, 299 size_t dev_pw_len); 300 301 /** 302 * set_sel_reg_cb - Callback for reporting selected registrar changes 303 * @ctx: Higher layer context data (cb_ctx) 304 * @sel_reg: Whether the Registrar is selected 305 * @dev_passwd_id: Device Password ID to indicate with method or 306 * specific password the Registrar intends to use 307 * @sel_reg_config_methods: Bit field of active config methods 308 * 309 * This callback is called whenever the Selected Registrar state 310 * changes (e.g., a new PIN becomes available or PBC is invoked). This 311 * callback is only used by External Registrar implementation; 312 * set_ie_cb() is used by AP implementation in similar caes, but it 313 * provides the full WPS IE data instead of just the minimal Registrar 314 * state information. 315 */ 316 void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id, 317 u16 sel_reg_config_methods); 318 319 /** 320 * enrollee_seen_cb - Callback for reporting Enrollee based on ProbeReq 321 * @ctx: Higher layer context data (cb_ctx) 322 * @addr: MAC address of the Enrollee 323 * @uuid_e: UUID of the Enrollee 324 * @pri_dev_type: Primary device type 325 * @config_methods: Config Methods 326 * @dev_password_id: Device Password ID 327 * @request_type: Request Type 328 * @dev_name: Device Name (if available) 329 */ 330 void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e, 331 const u8 *pri_dev_type, u16 config_methods, 332 u16 dev_password_id, u8 request_type, 333 const char *dev_name); 334 335 /** 336 * cb_ctx: Higher layer context data for Registrar callbacks 337 */ 338 void *cb_ctx; 339 340 /** 341 * skip_cred_build: Do not build credential 342 * 343 * This option can be used to disable internal code that builds 344 * Credential attribute into M8 based on the current network 345 * configuration and Enrollee capabilities. The extra_cred data will 346 * then be used as the Credential(s). 347 */ 348 int skip_cred_build; 349 350 /** 351 * extra_cred: Additional Credential attribute(s) 352 * 353 * This optional data (set to %NULL to disable) can be used to add 354 * Credential attribute(s) for other networks into M8. If 355 * skip_cred_build is set, this will also override the automatically 356 * generated Credential attribute. 357 */ 358 const u8 *extra_cred; 359 360 /** 361 * extra_cred_len: Length of extra_cred in octets 362 */ 363 size_t extra_cred_len; 364 365 /** 366 * disable_auto_conf - Disable auto-configuration on first registration 367 * 368 * By default, the AP that is started in not configured state will 369 * generate a random PSK and move to configured state when the first 370 * registration protocol run is completed successfully. This option can 371 * be used to disable this functionality and leave it up to an external 372 * program to take care of configuration. This requires the extra_cred 373 * to be set with a suitable Credential and skip_cred_build being used. 374 */ 375 int disable_auto_conf; 376 377 /** 378 * static_wep_only - Whether the BSS supports only static WEP 379 */ 380 int static_wep_only; 381 382 /** 383 * dualband - Whether this is a concurrent dualband AP 384 */ 385 int dualband; 386 387 /** 388 * force_per_enrollee_psk - Force per-Enrollee random PSK 389 * 390 * This forces per-Enrollee random PSK to be generated even if a default 391 * PSK is set for a network. 392 */ 393 int force_per_enrollee_psk; 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_PBC_ACTIVE - PBC mode was activated 433 */ 434 WPS_EV_PBC_ACTIVE, 435 436 /** 437 * WPS_EV_PBC_DISABLE - PBC mode was disabled 438 */ 439 WPS_EV_PBC_DISABLE, 440 441 /** 442 * WPS_EV_ER_AP_ADD - ER: AP added 443 */ 444 WPS_EV_ER_AP_ADD, 445 446 /** 447 * WPS_EV_ER_AP_REMOVE - ER: AP removed 448 */ 449 WPS_EV_ER_AP_REMOVE, 450 451 /** 452 * WPS_EV_ER_ENROLLEE_ADD - ER: Enrollee added 453 */ 454 WPS_EV_ER_ENROLLEE_ADD, 455 456 /** 457 * WPS_EV_ER_ENROLLEE_REMOVE - ER: Enrollee removed 458 */ 459 WPS_EV_ER_ENROLLEE_REMOVE, 460 461 /** 462 * WPS_EV_ER_AP_SETTINGS - ER: AP Settings learned 463 */ 464 WPS_EV_ER_AP_SETTINGS, 465 466 /** 467 * WPS_EV_ER_SET_SELECTED_REGISTRAR - ER: SetSelectedRegistrar event 468 */ 469 WPS_EV_ER_SET_SELECTED_REGISTRAR, 470 471 /** 472 * WPS_EV_AP_PIN_SUCCESS - External Registrar used correct AP PIN 473 */ 474 WPS_EV_AP_PIN_SUCCESS 475 }; 476 477 /** 478 * union wps_event_data - WPS event data 479 */ 480 union wps_event_data { 481 /** 482 * struct wps_event_m2d - M2D event data 483 */ 484 struct wps_event_m2d { 485 u16 config_methods; 486 const u8 *manufacturer; 487 size_t manufacturer_len; 488 const u8 *model_name; 489 size_t model_name_len; 490 const u8 *model_number; 491 size_t model_number_len; 492 const u8 *serial_number; 493 size_t serial_number_len; 494 const u8 *dev_name; 495 size_t dev_name_len; 496 const u8 *primary_dev_type; /* 8 octets */ 497 u16 config_error; 498 u16 dev_password_id; 499 } m2d; 500 501 /** 502 * struct wps_event_fail - Registration failure information 503 * @msg: enum wps_msg_type 504 */ 505 struct wps_event_fail { 506 int msg; 507 u16 config_error; 508 u16 error_indication; 509 u8 peer_macaddr[ETH_ALEN]; 510 } fail; 511 512 struct wps_event_success { 513 u8 peer_macaddr[ETH_ALEN]; 514 } success; 515 516 struct wps_event_pwd_auth_fail { 517 int enrollee; 518 int part; 519 u8 peer_macaddr[ETH_ALEN]; 520 } pwd_auth_fail; 521 522 struct wps_event_er_ap { 523 const u8 *uuid; 524 const u8 *mac_addr; 525 const char *friendly_name; 526 const char *manufacturer; 527 const char *manufacturer_url; 528 const char *model_description; 529 const char *model_name; 530 const char *model_number; 531 const char *model_url; 532 const char *serial_number; 533 const char *upc; 534 const u8 *pri_dev_type; 535 u8 wps_state; 536 } ap; 537 538 struct wps_event_er_enrollee { 539 const u8 *uuid; 540 const u8 *mac_addr; 541 int m1_received; 542 u16 config_methods; 543 u16 dev_passwd_id; 544 const u8 *pri_dev_type; 545 const char *dev_name; 546 const char *manufacturer; 547 const char *model_name; 548 const char *model_number; 549 const char *serial_number; 550 } enrollee; 551 552 struct wps_event_er_ap_settings { 553 const u8 *uuid; 554 const struct wps_credential *cred; 555 } ap_settings; 556 557 struct wps_event_er_set_selected_registrar { 558 const u8 *uuid; 559 int sel_reg; 560 u16 dev_passwd_id; 561 u16 sel_reg_config_methods; 562 enum { 563 WPS_ER_SET_SEL_REG_START, 564 WPS_ER_SET_SEL_REG_DONE, 565 WPS_ER_SET_SEL_REG_FAILED 566 } state; 567 } set_sel_reg; 568 }; 569 570 /** 571 * struct upnp_pending_message - Pending PutWLANResponse messages 572 * @next: Pointer to next pending message or %NULL 573 * @addr: NewWLANEventMAC 574 * @msg: NewMessage 575 * @type: Message Type 576 */ 577 struct upnp_pending_message { 578 struct upnp_pending_message *next; 579 u8 addr[ETH_ALEN]; 580 struct wpabuf *msg; 581 enum wps_msg_type type; 582 }; 583 584 /** 585 * struct wps_context - Long term WPS context data 586 * 587 * This data is stored at the higher layer Authenticator or Supplicant data 588 * structures and it is maintained over multiple registration protocol runs. 589 */ 590 struct wps_context { 591 /** 592 * ap - Whether the local end is an access point 593 */ 594 int ap; 595 596 /** 597 * registrar - Pointer to WPS registrar data from wps_registrar_init() 598 */ 599 struct wps_registrar *registrar; 600 601 /** 602 * wps_state - Current WPS state 603 */ 604 enum wps_state wps_state; 605 606 /** 607 * ap_setup_locked - Whether AP setup is locked (only used at AP) 608 */ 609 int ap_setup_locked; 610 611 /** 612 * uuid - Own UUID 613 */ 614 u8 uuid[16]; 615 616 /** 617 * ssid - SSID 618 * 619 * This SSID is used by the Registrar to fill in information for 620 * Credentials. In addition, AP uses it when acting as an Enrollee to 621 * notify Registrar of the current configuration. 622 */ 623 u8 ssid[32]; 624 625 /** 626 * ssid_len - Length of ssid in octets 627 */ 628 size_t ssid_len; 629 630 /** 631 * dev - Own WPS device data 632 */ 633 struct wps_device_data dev; 634 635 /** 636 * dh_ctx - Context data for Diffie-Hellman operation 637 */ 638 void *dh_ctx; 639 640 /** 641 * dh_privkey - Diffie-Hellman private key 642 */ 643 struct wpabuf *dh_privkey; 644 645 /** 646 * dh_pubkey_oob - Diffie-Hellman public key 647 */ 648 struct wpabuf *dh_pubkey; 649 650 /** 651 * config_methods - Enabled configuration methods 652 * 653 * Bit field of WPS_CONFIG_* 654 */ 655 u16 config_methods; 656 657 /** 658 * encr_types - Enabled encryption types (bit field of WPS_ENCR_*) 659 */ 660 u16 encr_types; 661 662 /** 663 * auth_types - Authentication types (bit field of WPS_AUTH_*) 664 */ 665 u16 auth_types; 666 667 /** 668 * network_key - The current Network Key (PSK) or %NULL to generate new 669 * 670 * If %NULL, Registrar will generate per-device PSK. In addition, AP 671 * uses this when acting as an Enrollee to notify Registrar of the 672 * current configuration. 673 * 674 * When using WPA/WPA2-Person, this key can be either the ASCII 675 * passphrase (8..63 characters) or the 32-octet PSK (64 hex 676 * characters). When this is set to the ASCII passphrase, the PSK can 677 * be provided in the psk buffer and used per-Enrollee to control which 678 * key type is included in the Credential (e.g., to reduce calculation 679 * need on low-powered devices by provisioning PSK while still allowing 680 * other devices to get the passphrase). 681 */ 682 u8 *network_key; 683 684 /** 685 * network_key_len - Length of network_key in octets 686 */ 687 size_t network_key_len; 688 689 /** 690 * psk - The current network PSK 691 * 692 * This optional value can be used to provide the current PSK if 693 * network_key is set to the ASCII passphrase. 694 */ 695 u8 psk[32]; 696 697 /** 698 * psk_set - Whether psk value is set 699 */ 700 int psk_set; 701 702 /** 703 * ap_settings - AP Settings override for M7 (only used at AP) 704 * 705 * If %NULL, AP Settings attributes will be generated based on the 706 * current network configuration. 707 */ 708 u8 *ap_settings; 709 710 /** 711 * ap_settings_len - Length of ap_settings in octets 712 */ 713 size_t ap_settings_len; 714 715 /** 716 * friendly_name - Friendly Name (required for UPnP) 717 */ 718 char *friendly_name; 719 720 /** 721 * manufacturer_url - Manufacturer URL (optional for UPnP) 722 */ 723 char *manufacturer_url; 724 725 /** 726 * model_description - Model Description (recommended for UPnP) 727 */ 728 char *model_description; 729 730 /** 731 * model_url - Model URL (optional for UPnP) 732 */ 733 char *model_url; 734 735 /** 736 * upc - Universal Product Code (optional for UPnP) 737 */ 738 char *upc; 739 740 /** 741 * cred_cb - Callback to notify that new Credentials were received 742 * @ctx: Higher layer context data (cb_ctx) 743 * @cred: The received Credential 744 * Return: 0 on success, -1 on failure 745 */ 746 int (*cred_cb)(void *ctx, const struct wps_credential *cred); 747 748 /** 749 * event_cb - Event callback (state information about progress) 750 * @ctx: Higher layer context data (cb_ctx) 751 * @event: Event type 752 * @data: Event data 753 */ 754 void (*event_cb)(void *ctx, enum wps_event event, 755 union wps_event_data *data); 756 757 /** 758 * rf_band_cb - Fetch currently used RF band 759 * @ctx: Higher layer context data (cb_ctx) 760 * Return: Current used RF band or 0 if not known 761 */ 762 int (*rf_band_cb)(void *ctx); 763 764 /** 765 * cb_ctx: Higher layer context data for callbacks 766 */ 767 void *cb_ctx; 768 769 struct upnp_wps_device_sm *wps_upnp; 770 771 /* Pending messages from UPnP PutWLANResponse */ 772 struct upnp_pending_message *upnp_msgs; 773 774 u16 ap_nfc_dev_pw_id; 775 struct wpabuf *ap_nfc_dh_pubkey; 776 struct wpabuf *ap_nfc_dh_privkey; 777 struct wpabuf *ap_nfc_dev_pw; 778 }; 779 780 struct wps_registrar * 781 wps_registrar_init(struct wps_context *wps, 782 const struct wps_registrar_config *cfg); 783 void wps_registrar_deinit(struct wps_registrar *reg); 784 int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 785 const u8 *uuid, const u8 *pin, size_t pin_len, 786 int timeout); 787 int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid); 788 int wps_registrar_wps_cancel(struct wps_registrar *reg); 789 int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid); 790 int wps_registrar_button_pushed(struct wps_registrar *reg, 791 const u8 *p2p_dev_addr); 792 void wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 793 const u8 *dev_pw, size_t dev_pw_len); 794 void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 795 const struct wpabuf *wps_data, 796 int p2p_wildcard); 797 int wps_registrar_update_ie(struct wps_registrar *reg); 798 int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 799 char *buf, size_t buflen); 800 int wps_registrar_config_ap(struct wps_registrar *reg, 801 struct wps_credential *cred); 802 int wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 803 const u8 *pubkey_hash, u16 pw_id, 804 const u8 *dev_pw, size_t dev_pw_len); 805 int wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 806 const u8 *oob_dev_pw, 807 size_t oob_dev_pw_len); 808 809 int wps_build_credential_wrap(struct wpabuf *msg, 810 const struct wps_credential *cred); 811 812 unsigned int wps_pin_checksum(unsigned int pin); 813 unsigned int wps_pin_valid(unsigned int pin); 814 unsigned int wps_generate_pin(void); 815 int wps_pin_str_valid(const char *pin); 816 void wps_free_pending_msgs(struct upnp_pending_message *msgs); 817 818 struct wpabuf * wps_get_oob_cred(struct wps_context *wps); 819 int wps_oob_use_cred(struct wps_context *wps, struct wps_parse_attr *attr); 820 int wps_attr_text(struct wpabuf *data, char *buf, char *end); 821 const char * wps_ei_str(enum wps_error_indication ei); 822 823 struct wps_er * wps_er_init(struct wps_context *wps, const char *ifname, 824 const char *filter); 825 void wps_er_refresh(struct wps_er *er); 826 void wps_er_deinit(struct wps_er *er, void (*cb)(void *ctx), void *ctx); 827 void wps_er_set_sel_reg(struct wps_er *er, int sel_reg, u16 dev_passwd_id, 828 u16 sel_reg_config_methods); 829 int wps_er_pbc(struct wps_er *er, const u8 *uuid, const u8 *addr); 830 const u8 * wps_er_get_sta_uuid(struct wps_er *er, const u8 *addr); 831 int wps_er_learn(struct wps_er *er, const u8 *uuid, const u8 *addr, 832 const u8 *pin, size_t pin_len); 833 int wps_er_set_config(struct wps_er *er, const u8 *uuid, const u8 *addr, 834 const struct wps_credential *cred); 835 int wps_er_config(struct wps_er *er, const u8 *uuid, const u8 *addr, 836 const u8 *pin, size_t pin_len, 837 const struct wps_credential *cred); 838 struct wpabuf * wps_er_config_token_from_cred(struct wps_context *wps, 839 struct wps_credential *cred); 840 struct wpabuf * wps_er_nfc_config_token(struct wps_er *er, const u8 *uuid, 841 const u8 *addr); 842 843 int wps_dev_type_str2bin(const char *str, u8 dev_type[WPS_DEV_TYPE_LEN]); 844 char * wps_dev_type_bin2str(const u8 dev_type[WPS_DEV_TYPE_LEN], char *buf, 845 size_t buf_len); 846 void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid); 847 u16 wps_config_methods_str2bin(const char *str); 848 struct wpabuf * wps_build_nfc_pw_token(u16 dev_pw_id, 849 const struct wpabuf *pubkey, 850 const struct wpabuf *dev_pw); 851 struct wpabuf * wps_nfc_token_build(int ndef, int id, struct wpabuf *pubkey, 852 struct wpabuf *dev_pw); 853 struct wpabuf * wps_nfc_token_gen(int ndef, int *id, struct wpabuf **pubkey, 854 struct wpabuf **privkey, 855 struct wpabuf **dev_pw); 856 857 /* ndef.c */ 858 struct wpabuf * ndef_parse_wifi(const struct wpabuf *buf); 859 struct wpabuf * ndef_build_wifi(const struct wpabuf *buf); 860 struct wpabuf * ndef_build_wifi_hc(int begin); 861 struct wpabuf * ndef_build_wifi_hr(void); 862 863 #ifdef CONFIG_WPS_STRICT 864 int wps_validate_beacon(const struct wpabuf *wps_ie); 865 int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, int probe, 866 const u8 *addr); 867 int wps_validate_probe_req(const struct wpabuf *wps_ie, const u8 *addr); 868 int wps_validate_assoc_req(const struct wpabuf *wps_ie); 869 int wps_validate_assoc_resp(const struct wpabuf *wps_ie); 870 int wps_validate_m1(const struct wpabuf *tlvs); 871 int wps_validate_m2(const struct wpabuf *tlvs); 872 int wps_validate_m2d(const struct wpabuf *tlvs); 873 int wps_validate_m3(const struct wpabuf *tlvs); 874 int wps_validate_m4(const struct wpabuf *tlvs); 875 int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2); 876 int wps_validate_m5(const struct wpabuf *tlvs); 877 int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2); 878 int wps_validate_m6(const struct wpabuf *tlvs); 879 int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2); 880 int wps_validate_m7(const struct wpabuf *tlvs); 881 int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, int wps2); 882 int wps_validate_m8(const struct wpabuf *tlvs); 883 int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, int wps2); 884 int wps_validate_wsc_ack(const struct wpabuf *tlvs); 885 int wps_validate_wsc_nack(const struct wpabuf *tlvs); 886 int wps_validate_wsc_done(const struct wpabuf *tlvs); 887 int wps_validate_upnp_set_selected_registrar(const struct wpabuf *tlvs); 888 #else /* CONFIG_WPS_STRICT */ 889 static inline int wps_validate_beacon(const struct wpabuf *wps_ie){ 890 return 0; 891 } 892 893 static inline int wps_validate_beacon_probe_resp(const struct wpabuf *wps_ie, 894 int probe, const u8 *addr) 895 { 896 return 0; 897 } 898 899 static inline int wps_validate_probe_req(const struct wpabuf *wps_ie, 900 const u8 *addr) 901 { 902 return 0; 903 } 904 905 static inline int wps_validate_assoc_req(const struct wpabuf *wps_ie) 906 { 907 return 0; 908 } 909 910 static inline int wps_validate_assoc_resp(const struct wpabuf *wps_ie) 911 { 912 return 0; 913 } 914 915 static inline int wps_validate_m1(const struct wpabuf *tlvs) 916 { 917 return 0; 918 } 919 920 static inline int wps_validate_m2(const struct wpabuf *tlvs) 921 { 922 return 0; 923 } 924 925 static inline int wps_validate_m2d(const struct wpabuf *tlvs) 926 { 927 return 0; 928 } 929 930 static inline int wps_validate_m3(const struct wpabuf *tlvs) 931 { 932 return 0; 933 } 934 935 static inline int wps_validate_m4(const struct wpabuf *tlvs) 936 { 937 return 0; 938 } 939 940 static inline int wps_validate_m4_encr(const struct wpabuf *tlvs, int wps2) 941 { 942 return 0; 943 } 944 945 static inline int wps_validate_m5(const struct wpabuf *tlvs) 946 { 947 return 0; 948 } 949 950 static inline int wps_validate_m5_encr(const struct wpabuf *tlvs, int wps2) 951 { 952 return 0; 953 } 954 955 static inline int wps_validate_m6(const struct wpabuf *tlvs) 956 { 957 return 0; 958 } 959 960 static inline int wps_validate_m6_encr(const struct wpabuf *tlvs, int wps2) 961 { 962 return 0; 963 } 964 965 static inline int wps_validate_m7(const struct wpabuf *tlvs) 966 { 967 return 0; 968 } 969 970 static inline int wps_validate_m7_encr(const struct wpabuf *tlvs, int ap, 971 int wps2) 972 { 973 return 0; 974 } 975 976 static inline int wps_validate_m8(const struct wpabuf *tlvs) 977 { 978 return 0; 979 } 980 981 static inline int wps_validate_m8_encr(const struct wpabuf *tlvs, int ap, 982 int wps2) 983 { 984 return 0; 985 } 986 987 static inline int wps_validate_wsc_ack(const struct wpabuf *tlvs) 988 { 989 return 0; 990 } 991 992 static inline int wps_validate_wsc_nack(const struct wpabuf *tlvs) 993 { 994 return 0; 995 } 996 997 static inline int wps_validate_wsc_done(const struct wpabuf *tlvs) 998 { 999 return 0; 1000 } 1001 1002 static inline int wps_validate_upnp_set_selected_registrar( 1003 const struct wpabuf *tlvs) 1004 { 1005 return 0; 1006 } 1007 #endif /* CONFIG_WPS_STRICT */ 1008 1009 #endif /* WPS_H */ 1010