1 /* 2 * P2P - Internal definitions for P2P module 3 * Copyright (c) 2009-2010, Atheros Communications 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef P2P_I_H 10 #define P2P_I_H 11 12 #include "utils/list.h" 13 #include "drivers/driver.h" 14 #include "p2p.h" 15 #include "ap/ap_config.h" 16 17 #define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1 18 19 /* 20 * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P 21 * Device over the P2P Client Info received from a GO. 22 */ 23 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1 24 25 enum p2p_role_indication; 26 27 /* 28 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN 29 * must equal 248 or less. Must have a minimum size of 19. 30 */ 31 #define MAX_SVC_ADV_LEN 600 32 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240))) 33 34 enum p2p_go_state { 35 UNKNOWN_GO, 36 LOCAL_GO, 37 REMOTE_GO 38 }; 39 40 /* Enumeration for P2P device current role */ 41 enum p2p_role { 42 P2P_ROLE_IDLE = 0, 43 P2P_ROLE_PAIRING_INITIATOR, 44 P2P_ROLE_PAIRING_RESPONDER, 45 }; 46 47 /** 48 * struct bootstrap_params - P2P Device bootstrap request parameters 49 */ 50 struct p2p_bootstrap_params { 51 /* Bootstrap method */ 52 u16 bootstrap_method; 53 54 /* Status code */ 55 enum p2p_status_code status; 56 57 /* Cookie for comeback */ 58 u8 cookie[50]; 59 60 /* Cookie length */ 61 size_t cookie_len; 62 63 /* Comeback time in TUs after which receiver is requested to retry */ 64 int comeback_after; 65 }; 66 67 /** 68 * struct p2p_device - P2P Device data (internal to P2P module) 69 */ 70 struct p2p_device { 71 struct dl_list list; 72 struct os_reltime last_seen; 73 int listen_freq; 74 int oob_go_neg_freq; 75 enum p2p_wps_method wps_method; 76 u16 oob_pw_id; 77 78 struct p2p_peer_info info; 79 80 /* 81 * If the peer was discovered based on an interface address (e.g., GO 82 * from Beacon/Probe Response), the interface address is stored here. 83 * p2p_device_addr must still be set in such a case to the unique 84 * identifier for the P2P Device. 85 * 86 * This field is also used during P2PS PD to store the intended GO 87 * address of the peer. 88 */ 89 u8 interface_addr[ETH_ALEN]; 90 91 /* 92 * P2P Device Address of the GO in whose group this P2P Device is a 93 * client. 94 */ 95 u8 member_in_go_dev[ETH_ALEN]; 96 97 /* 98 * P2P Interface Address of the GO in whose group this P2P Device is a 99 * client. 100 */ 101 u8 member_in_go_iface[ETH_ALEN]; 102 103 int go_neg_req_sent; 104 enum p2p_go_state go_state; 105 u8 dialog_token; 106 u8 tie_breaker; 107 u8 intended_addr[ETH_ALEN]; 108 109 char country[3]; 110 struct p2p_channels channels; 111 int oper_freq; 112 u8 oper_ssid[SSID_MAX_LEN]; 113 size_t oper_ssid_len; 114 115 /** 116 * req_config_methods - Pending provision discovery methods 117 */ 118 u16 req_config_methods; 119 120 /** 121 * wps_prov_info - Stored provisioning WPS config method 122 * 123 * This is used to store pending WPS config method between Provisioning 124 * Discovery and connection to a running group. 125 */ 126 u16 wps_prov_info; 127 128 #define P2P_DEV_PROBE_REQ_ONLY BIT(0) 129 #define P2P_DEV_REPORTED BIT(1) 130 #define P2P_DEV_NOT_YET_READY BIT(2) 131 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 132 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 133 #define P2P_DEV_USER_REJECTED BIT(7) 134 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 135 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 136 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 137 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 138 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 139 #define P2P_DEV_FORCE_FREQ BIT(13) 140 #define P2P_DEV_PD_FOR_JOIN BIT(14) 141 #define P2P_DEV_REPORTED_ONCE BIT(15) 142 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 143 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 144 #define P2P_DEV_NO_PREF_CHAN BIT(18) 145 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 146 #define P2P_DEV_P2PS_REPORTED BIT(20) 147 #define P2P_DEV_PD_PEER_P2PS BIT(21) 148 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22) 149 150 unsigned int flags; 151 152 int status; /* enum p2p_status_code */ 153 unsigned int wait_count; 154 unsigned int connect_reqs; 155 unsigned int invitation_reqs; 156 unsigned int sd_reqs; 157 158 u16 ext_listen_period; 159 u16 ext_listen_interval; 160 161 u8 go_timeout; 162 u8 client_timeout; 163 164 /** 165 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries 166 */ 167 u8 go_neg_conf_sent; 168 169 /** 170 * freq - Frquency on which the GO Negotiation Confirmation is sent 171 */ 172 int go_neg_conf_freq; 173 174 /** 175 * go_neg_conf - GO Negotiation Confirmation frame 176 */ 177 struct wpabuf *go_neg_conf; 178 179 int sd_pending_bcast_queries; 180 bool support_6ghz; 181 182 /* Supports P2P2 */ 183 bool p2p2; 184 185 /* Requested bootstrap method */ 186 u16 req_bootstrap_method; 187 188 /* Bootstrap parameters received from peer */ 189 struct p2p_bootstrap_params *bootstrap_params; 190 191 /* Password for P2P2 GO negotiation */ 192 char password[100]; 193 194 /* PASN data structure */ 195 struct pasn_data *pasn; 196 struct wpabuf *action_frame_wrapper; 197 198 /* Device role */ 199 enum p2p_role role; 200 201 /* Invitation parameters for P2P2 */ 202 bool inv_reject; 203 u8 inv_status; 204 int inv_freq; 205 int inv_peer_oper_freq; 206 u8 inv_bssid[ETH_ALEN]; 207 u8 inv_ssid[SSID_MAX_LEN]; 208 size_t inv_ssid_len; 209 bool inv_all_channels; 210 }; 211 212 struct p2p_sd_query { 213 struct p2p_sd_query *next; 214 u8 peer[ETH_ALEN]; 215 int for_all_peers; 216 int wsd; /* Wi-Fi Display Service Discovery Request */ 217 struct wpabuf *tlvs; 218 }; 219 220 /* P2P Device Identity Key parameters */ 221 struct p2p_id_key { 222 /* AKMP used for DevIK derviation */ 223 int akmp; 224 /* Cipher version type */ 225 int cipher_version; 226 /* DevIK expiration time in hours */ 227 u32 expiration; 228 /* Buffer to hold the DevIK */ 229 u8 dik_data[DEVICE_IDENTITY_KEY_MAX_LEN]; 230 /* Length of DevIK */ 231 size_t dik_len; 232 /* Nonce used in DIRA attribute */ 233 u8 dira_nonce[DEVICE_IDENTITY_NONCE_LEN]; 234 /* Length of nonce */ 235 size_t dira_nonce_len; 236 /* Tag computed for nonce using NIK */ 237 u8 dira_tag[DEVICE_IDENTITY_TAG_LEN]; 238 /* Length of tag in octets */ 239 size_t dira_tag_len; 240 }; 241 242 struct p2p_pairing_info { 243 /* P2P device own address */ 244 u8 own_addr[ETH_ALEN]; 245 /* device capability to enable pairing setup */ 246 bool enable_pairing_setup; 247 /* device capability to enable pairing cache */ 248 bool enable_pairing_cache; 249 /* device supported bootstrapping */ 250 u16 supported_bootstrap; 251 /* P2P Device Identity Key info */ 252 struct p2p_id_key dev_ik; 253 }; 254 255 /** 256 * struct p2p_data - P2P module data (internal to P2P module) 257 */ 258 struct p2p_data { 259 /** 260 * cfg - P2P module configuration 261 * 262 * This is included in the same memory allocation with the 263 * struct p2p_data and as such, must not be freed separately. 264 */ 265 struct p2p_config *cfg; 266 267 /** 268 * state - The current P2P state 269 */ 270 enum p2p_state { 271 /** 272 * P2P_IDLE - Idle 273 */ 274 P2P_IDLE, 275 276 /** 277 * P2P_SEARCH - Search (Device Discovery) 278 */ 279 P2P_SEARCH, 280 281 /** 282 * P2P_CONNECT - Trying to start GO Negotiation 283 */ 284 P2P_CONNECT, 285 286 /** 287 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 288 */ 289 P2P_CONNECT_LISTEN, 290 291 /** 292 * P2P_GO_NEG - In GO Negotiation 293 */ 294 P2P_GO_NEG, 295 296 /** 297 * P2P_LISTEN_ONLY - Listen only 298 */ 299 P2P_LISTEN_ONLY, 300 301 /** 302 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 303 */ 304 P2P_WAIT_PEER_CONNECT, 305 306 /** 307 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 308 */ 309 P2P_WAIT_PEER_IDLE, 310 311 /** 312 * P2P_SD_DURING_FIND - Service Discovery during find 313 */ 314 P2P_SD_DURING_FIND, 315 316 /** 317 * P2P_PROVISIONING - Provisioning (during group formation) 318 */ 319 P2P_PROVISIONING, 320 321 /** 322 * P2P_PD_DURING_FIND - Provision Discovery during find 323 */ 324 P2P_PD_DURING_FIND, 325 326 /** 327 * P2P_INVITE - Trying to start Invite 328 */ 329 P2P_INVITE, 330 331 /** 332 * P2P_INVITE_LISTEN - Listen during Invite 333 */ 334 P2P_INVITE_LISTEN, 335 } state; 336 337 /** 338 * min_disc_int - minDiscoverableInterval 339 */ 340 int min_disc_int; 341 342 /** 343 * max_disc_int - maxDiscoverableInterval 344 */ 345 int max_disc_int; 346 347 /** 348 * max_disc_tu - Maximum number of TUs for discoverable interval 349 */ 350 int max_disc_tu; 351 352 /** 353 * devices - List of known P2P Device peers 354 */ 355 struct dl_list devices; 356 357 /** 358 * go_neg_peer - Pointer to GO Negotiation peer 359 */ 360 struct p2p_device *go_neg_peer; 361 362 /** 363 * invite_peer - Pointer to Invite peer 364 */ 365 struct p2p_device *invite_peer; 366 367 /** 368 * last_p2p_find_oper - Pointer to last pre-find operation peer 369 */ 370 struct p2p_device *last_p2p_find_oper; 371 372 const u8 *invite_go_dev_addr; 373 u8 invite_go_dev_addr_buf[ETH_ALEN]; 374 int invite_dev_pw_id; 375 376 unsigned int retry_invite_req:1; 377 unsigned int retry_invite_req_sent:1; 378 379 /** 380 * sd_peer - Pointer to Service Discovery peer 381 */ 382 struct p2p_device *sd_peer; 383 384 /** 385 * sd_query - Pointer to Service Discovery query 386 */ 387 struct p2p_sd_query *sd_query; 388 389 /** 390 * num_p2p_sd_queries - Total number of broadcast SD queries present in 391 * the list 392 */ 393 int num_p2p_sd_queries; 394 395 /** 396 * sd_query_no_ack - The first peer (Dev Addr) that did not ACK SD Query 397 * 398 * This is used to track the first peer that did not ACK an SD Query 399 * within a single P2P Search iteration. All zeros address means no such 400 * peer was yet seen. This information is used to allow a new Listen and 401 * Search phases to be once every pending SD Query has been sent once to 402 * each peer instead of looping all pending attempts continuously until 403 * running out of retry maximums. 404 */ 405 u8 sd_query_no_ack[ETH_ALEN]; 406 407 /* GO Negotiation data */ 408 409 /** 410 * intended_addr - Local Intended P2P Interface Address 411 * 412 * This address is used during group owner negotiation as the Intended 413 * P2P Interface Address and the group interface will be created with 414 * address as the local address in case of successfully completed 415 * negotiation. 416 */ 417 u8 intended_addr[ETH_ALEN]; 418 419 /** 420 * go_intent - Local GO Intent to be used during GO Negotiation 421 */ 422 u8 go_intent; 423 424 /** 425 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 426 */ 427 u8 next_tie_breaker; 428 429 /** 430 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 431 */ 432 u8 ssid[SSID_MAX_LEN]; 433 434 /** 435 * ssid_len - ssid length in octets 436 */ 437 size_t ssid_len; 438 439 /** 440 * ssid_set - Whether SSID is already set for GO Negotiation 441 */ 442 int ssid_set; 443 444 /** 445 * passphrase - WPA2-Personal passphrase for GO Negotiation (if local end will be GO) 446 */ 447 char passphrase[MAX_PASSPHRASE_LEN + 1]; 448 449 /** 450 * passphrase_set - Whether passphrase is already set for GO Negotiation 451 */ 452 int passphrase_set; 453 454 /** 455 * Regulatory class for own operational channel 456 */ 457 u8 op_reg_class; 458 459 /** 460 * op_channel - Own operational channel 461 */ 462 u8 op_channel; 463 464 /** 465 * channels - Own supported regulatory classes and channels 466 * 467 * List of supposerted channels per regulatory class. The regulatory 468 * classes are defined in IEEE Std 802.11-2007 Annex J and the 469 * numbering of the clases depends on the configured country code. 470 */ 471 struct p2p_channels channels; 472 473 struct wpa_freq_range_list no_go_freq; 474 475 enum p2p_pending_action_state { 476 P2P_NO_PENDING_ACTION, 477 P2P_PENDING_GO_NEG_REQUEST, 478 P2P_PENDING_GO_NEG_RESPONSE, 479 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 480 P2P_PENDING_GO_NEG_CONFIRM, 481 P2P_PENDING_SD, 482 P2P_PENDING_PD, 483 P2P_PENDING_PD_RESPONSE, 484 P2P_PENDING_INVITATION_REQUEST, 485 P2P_PENDING_INVITATION_RESPONSE, 486 P2P_PENDING_DEV_DISC_REQUEST, 487 P2P_PENDING_DEV_DISC_RESPONSE, 488 P2P_PENDING_GO_DISC_REQ 489 } pending_action_state; 490 491 unsigned int pending_listen_freq; 492 unsigned int pending_listen_sec; 493 unsigned int pending_listen_usec; 494 bool pending_listen_wait_drv; 495 496 u8 dev_capab; 497 498 int in_listen; 499 int drv_in_listen; 500 501 /** 502 * sd_queries - Pending service discovery queries 503 */ 504 struct p2p_sd_query *sd_queries; 505 506 /** 507 * srv_update_indic - Service Update Indicator for local services 508 */ 509 u16 srv_update_indic; 510 511 struct wpabuf *sd_resp; /* Fragmented SD response */ 512 u8 sd_resp_addr[ETH_ALEN]; 513 u8 sd_resp_dialog_token; 514 size_t sd_resp_pos; /* Offset in sd_resp */ 515 u8 sd_frag_id; 516 517 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 518 u16 sd_rx_update_indic; 519 520 /* P2P Invitation data */ 521 enum p2p_invite_role inv_role; 522 u8 inv_bssid[ETH_ALEN]; 523 int inv_bssid_set; 524 u8 inv_ssid[SSID_MAX_LEN]; 525 size_t inv_ssid_len; 526 u8 inv_sa[ETH_ALEN]; 527 u8 inv_group_bssid[ETH_ALEN]; 528 u8 *inv_group_bssid_ptr; 529 u8 inv_go_dev_addr[ETH_ALEN]; 530 u8 inv_status; 531 int inv_op_freq; 532 int inv_persistent; 533 534 enum p2p_discovery_type find_type; 535 int find_specified_freq; 536 unsigned int last_p2p_find_timeout; 537 u8 last_prog_scan_class; 538 u8 last_prog_scan_chan; 539 unsigned int find_pending_full:1; 540 int p2p_scan_running; 541 enum p2p_after_scan { 542 P2P_AFTER_SCAN_NOTHING, 543 P2P_AFTER_SCAN_LISTEN, 544 P2P_AFTER_SCAN_CONNECT 545 } start_after_scan; 546 u8 after_scan_peer[ETH_ALEN]; 547 unsigned int send_action_in_progress:1; 548 549 /* Requested device types for find/search */ 550 unsigned int num_req_dev_types; 551 u8 *req_dev_types; 552 u8 *find_dev_id; 553 u8 find_dev_id_buf[ETH_ALEN]; 554 555 struct os_reltime find_start; /* time of last p2p_find start */ 556 557 struct p2p_group **groups; 558 size_t num_groups; 559 560 struct p2p_device *pending_client_disc_go; 561 u8 pending_client_disc_addr[ETH_ALEN]; 562 u8 pending_dev_disc_dialog_token; 563 u8 pending_dev_disc_addr[ETH_ALEN]; 564 int pending_dev_disc_freq; 565 unsigned int pending_client_disc_freq; 566 567 int ext_listen_only; 568 unsigned int ext_listen_period; 569 unsigned int ext_listen_interval; 570 unsigned int ext_listen_interval_sec; 571 unsigned int ext_listen_interval_usec; 572 573 u8 peer_filter[ETH_ALEN]; 574 575 int cross_connect; 576 577 int best_freq_24; 578 int best_freq_5; 579 int best_freq_overall; 580 int own_freq_preference; 581 582 /** 583 * wps_vendor_ext - WPS Vendor Extensions to add 584 */ 585 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 586 587 /* 588 * user_initiated_pd - Whether a PD request is user initiated or not. 589 */ 590 u8 user_initiated_pd; 591 592 /* 593 * Keep track of which peer a given PD request was sent to. 594 * Used to raise a timeout alert in case there is no response. 595 */ 596 u8 pending_pd_devaddr[ETH_ALEN]; 597 598 /* 599 * Retry counter for provision discovery requests when issued 600 * in IDLE state. 601 */ 602 int pd_retries; 603 604 /** 605 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 606 * 607 * This is is used during PD retries for join-a-group case to use the 608 * correct operating frequency determined from a BSS entry for the GO. 609 */ 610 int pd_force_freq; 611 612 u8 go_timeout; 613 u8 client_timeout; 614 615 /* Extra delay in milliseconds between search iterations */ 616 unsigned int search_delay; 617 int in_search_delay; 618 619 u8 pending_reg_class; 620 u8 pending_channel; 621 u8 pending_channel_forced; 622 623 /* ASP Support */ 624 struct p2ps_advertisement *p2ps_adv_list; 625 struct p2ps_provision *p2ps_prov; 626 u8 wild_card_hash[P2PS_HASH_LEN]; 627 u8 p2ps_seek; 628 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 629 u8 p2ps_seek_count; 630 631 #ifdef CONFIG_WIFI_DISPLAY 632 struct wpabuf *wfd_ie_beacon; 633 struct wpabuf *wfd_ie_probe_req; 634 struct wpabuf *wfd_ie_probe_resp; 635 struct wpabuf *wfd_ie_assoc_req; 636 struct wpabuf *wfd_ie_invitation; 637 struct wpabuf *wfd_ie_prov_disc_req; 638 struct wpabuf *wfd_ie_prov_disc_resp; 639 struct wpabuf *wfd_ie_go_neg; 640 struct wpabuf *wfd_dev_info; 641 struct wpabuf *wfd_assoc_bssid; 642 struct wpabuf *wfd_coupled_sink_info; 643 struct wpabuf *wfd_r2_dev_info; 644 #endif /* CONFIG_WIFI_DISPLAY */ 645 646 u16 authorized_oob_dev_pw_id; 647 648 struct wpabuf **vendor_elem; 649 650 struct weighted_pcl pref_freq_list[P2P_MAX_PREF_CHANNELS]; 651 unsigned int num_pref_freq; 652 653 /* Override option for preferred operating channel in GO Negotiation */ 654 u8 override_pref_op_class; 655 u8 override_pref_channel; 656 bool p2p_6ghz_capable; 657 bool include_6ghz; 658 bool allow_6ghz; 659 660 struct p2p_pairing_info *pairing_info; 661 662 /* Pairing initiator PMKSA cache */ 663 struct rsn_pmksa_cache *initiator_pmksa; 664 /* Pairing responder PMKSA cache */ 665 struct rsn_pmksa_cache *responder_pmksa; 666 667 /* DevIK variables: Cipher version, DevIK, and its lifetime 668 * These are fetched from the P2P2 included in the PASN Encrypted Data 669 * element during P2P2 group negotiation with PASN Authentication 670 * frames. These values are stored in struct p2p_data for an ongoing GO 671 * negotiation or join-a-group operation with the assumption that these 672 * operations cannot happen in parallel with multiple peers. After 673 * successful group formation and connection, these are moved to 674 * wpa_supplicant configuration if the connection is persistent. */ 675 u8 dik_cipher_version; 676 u8 peer_dik_data[DEVICE_IDENTITY_KEY_MAX_LEN]; 677 size_t peer_dik_len; 678 unsigned int peer_dik_lifetime; 679 680 /* Password used during an ongoing group formation after opportunistic 681 * PASN authentication or while joining an existing group. This will be 682 * moved to a more permanent location from struct p2p_data at the 683 * conclusion of a successful pairing. */ 684 char dev_sae_password[100]; 685 char peer_sae_password[100]; 686 687 /* Variable used to know the role of the device in a given instance. 688 * go_role variable is set while authorizing a P2P Client for PASN 689 * authentication with predefined GO intent value for GO (15 for 690 * P2P-GO). Once the authentication is completed and security 691 * configuration is done, this variable is reset to false. 692 */ 693 bool go_role; 694 695 #ifdef CONFIG_TESTING_OPTIONS 696 /** 697 * PASN PTK of recent auth 698 */ 699 u8 pasn_ptk[128]; 700 701 /** 702 * PASN PTK length 703 */ 704 size_t pasn_ptk_len; 705 #endif /* CONFIG_TESTING_OPTIONS */ 706 707 bool usd_service; 708 u8 p2p_service_hash[P2PS_HASH_LEN]; 709 }; 710 711 /** 712 * struct p2p_message - Parsed P2P message (or P2P IE) 713 */ 714 struct p2p_message { 715 struct wpabuf *p2p_attributes; 716 struct wpabuf *p2p2_attributes; 717 struct wpabuf *wps_attributes; 718 struct wpabuf *wfd_subelems; 719 720 u8 dialog_token; 721 722 const u8 *capability; 723 const u8 *go_intent; 724 const u8 *status; 725 const u8 *listen_channel; 726 const u8 *operating_channel; 727 const u8 *channel_list; 728 u8 channel_list_len; 729 const u8 *config_timeout; 730 const u8 *intended_addr; 731 const u8 *group_bssid; 732 const u8 *invitation_flags; 733 734 const u8 *group_info; 735 size_t group_info_len; 736 737 const u8 *group_id; 738 size_t group_id_len; 739 740 const u8 *device_id; 741 742 const u8 *manageability; 743 744 const u8 *noa; 745 size_t noa_len; 746 747 const u8 *ext_listen_timing; 748 749 const u8 *minor_reason_code; 750 751 const u8 *oob_go_neg_channel; 752 753 /* P2P Device Info */ 754 const u8 *p2p_device_info; 755 size_t p2p_device_info_len; 756 const u8 *p2p_device_addr; 757 const u8 *pri_dev_type; 758 u8 num_sec_dev_types; 759 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 760 u16 config_methods; 761 762 /* WPS IE */ 763 u16 dev_password_id; 764 int dev_password_id_present; 765 u16 wps_config_methods; 766 const u8 *wps_pri_dev_type; 767 const u8 *wps_sec_dev_type_list; 768 size_t wps_sec_dev_type_list_len; 769 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 770 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 771 const u8 *manufacturer; 772 size_t manufacturer_len; 773 const u8 *model_name; 774 size_t model_name_len; 775 const u8 *model_number; 776 size_t model_number_len; 777 const u8 *serial_number; 778 size_t serial_number_len; 779 const u8 *oob_dev_password; 780 size_t oob_dev_password_len; 781 782 /* DS Parameter Set IE */ 783 const u8 *ds_params; 784 785 /* SSID IE */ 786 const u8 *ssid; 787 788 /* P2PS */ 789 u8 service_hash_count; 790 const u8 *service_hash; 791 792 const u8 *session_info; 793 size_t session_info_len; 794 795 const u8 *conn_cap; 796 797 const u8 *adv_id; 798 const u8 *adv_mac; 799 800 const u8 *adv_service_instance; 801 size_t adv_service_instance_len; 802 803 const u8 *session_id; 804 const u8 *session_mac; 805 806 const u8 *feature_cap; 807 size_t feature_cap_len; 808 809 const u8 *persistent_dev; 810 const u8 *persistent_ssid; 811 size_t persistent_ssid_len; 812 813 const u8 *pref_freq_list; 814 size_t pref_freq_list_len; 815 816 const u8 *pcea_info; 817 size_t pcea_info_len; 818 819 const u8 *pbma_info; 820 size_t pbma_info_len; 821 822 const u8 *action_frame_wrapper; 823 size_t action_frame_wrapper_len; 824 825 const u8 *dira; 826 size_t dira_len; 827 828 const u8 *wlan_ap_info; 829 size_t wlan_ap_info_len; 830 }; 831 832 833 #define P2P_MAX_GROUP_ENTRIES 50 834 835 struct p2p_group_info { 836 unsigned int num_clients; 837 struct p2p_client_info { 838 const u8 *p2p_device_addr; 839 const u8 *p2p_interface_addr; 840 u8 dev_capab; 841 u16 config_methods; 842 const u8 *pri_dev_type; 843 u8 num_sec_dev_types; 844 const u8 *sec_dev_types; 845 const char *dev_name; 846 size_t dev_name_len; 847 } client[P2P_MAX_GROUP_ENTRIES]; 848 }; 849 850 851 /* p2p_utils.c */ 852 int p2p_random(char *buf, size_t len); 853 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 854 void p2p_channels_intersect(const struct p2p_channels *a, 855 const struct p2p_channels *b, 856 struct p2p_channels *res); 857 void p2p_channels_union_inplace(struct p2p_channels *res, 858 const struct p2p_channels *b); 859 void p2p_channels_union(const struct p2p_channels *a, 860 const struct p2p_channels *b, 861 struct p2p_channels *res); 862 void p2p_channels_remove_freqs(struct p2p_channels *chan, 863 const struct wpa_freq_range_list *list); 864 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 865 u8 channel); 866 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 867 const struct p2p_channels *chan); 868 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 869 u8 *op_class, u8 *op_channel); 870 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 871 u8 *op_channel, 872 struct wpa_freq_range_list *avoid_list, 873 struct wpa_freq_range_list *disallow_list); 874 void p2p_copy_channels(struct p2p_channels *dst, const struct p2p_channels *src, 875 bool allow_6ghz); 876 877 /* p2p_parse.c */ 878 void p2p_copy_filter_devname(char *dst, size_t dst_len, 879 const void *src, size_t src_len); 880 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 881 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 882 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 883 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 884 size_t p2p_len, struct p2p_message *msg); 885 void p2p_parse_free(struct p2p_message *msg); 886 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 887 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 888 struct p2p_group_info *info); 889 890 /* p2p_build.c */ 891 892 struct p2p_noa_desc { 893 u8 count_type; 894 u32 duration; 895 u32 interval; 896 u32 start_time; 897 }; 898 899 /* p2p_group.c */ 900 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 901 u8 p2p_group_presence_req(struct p2p_group *group, 902 const u8 *client_interface_addr, 903 const u8 *noa, size_t noa_len); 904 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 905 size_t group_id_len); 906 void p2p_group_update_ies(struct p2p_group *group); 907 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 908 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 909 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 910 int max_clients); 911 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 912 int p2p_group_get_freq(struct p2p_group *group); 913 914 915 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 916 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 917 u8 dialog_token); 918 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 919 u8 * p2p_buf_add_p2p2_ie_hdr(struct wpabuf *buf); 920 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 921 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 922 struct p2p_device *peer); 923 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 924 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 925 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 926 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 927 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 928 u8 reg_class, u8 channel); 929 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 930 u8 reg_class, u8 channel); 931 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 932 struct p2p_channels *chan, bool is_6ghz_capab); 933 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 934 u8 client_timeout); 935 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 936 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 937 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 938 const u8 *ssid, size_t ssid_len); 939 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 940 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 941 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 942 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 943 u16 interval); 944 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 945 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 946 u8 oper_class, u8 channel, 947 enum p2p_role_indication role); 948 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 949 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 950 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 951 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 952 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 953 u8 count, const u8 *hash, 954 struct p2ps_advertisement *adv_list); 955 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 956 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 957 const u8 *mask); 958 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 959 const u8 *ssid, size_t ssid_len); 960 void p2p_buf_add_pcea(struct wpabuf *buf, struct p2p_data *p2p); 961 void p2p_buf_add_pbma(struct wpabuf *buf, u16 bootstrap, const u8 *cookie, 962 size_t cookie_len, int comeback_after); 963 void p2p_buf_add_dira(struct wpabuf *buf, struct p2p_data *p2p); 964 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 965 int all_attr); 966 void p2p_buf_add_pref_channel_list(struct wpabuf *buf, 967 const struct weighted_pcl *pref_freq_list, 968 unsigned int size); 969 struct wpabuf * p2p_encaps_ie(const struct wpabuf *subelems, u32 ie_type); 970 struct wpabuf * p2p_group_build_p2p2_ie(struct p2p_data *p2p, 971 struct wpabuf *p2p2_ie, int freq); 972 973 /* p2p_sd.c */ 974 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 975 struct p2p_device *dev); 976 void p2p_free_sd_queries(struct p2p_data *p2p); 977 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 978 const u8 *data, size_t len, int rx_freq); 979 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 980 const u8 *data, size_t len, int rx_freq); 981 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 982 const u8 *data, size_t len, int rx_freq); 983 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 984 const u8 *data, size_t len, int rx_freq); 985 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 986 987 /* p2p_go_neg.c */ 988 struct wpabuf * p2p_build_go_neg_req(struct p2p_data *p2p, 989 struct p2p_device *peer); 990 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 991 struct p2p_device *dev, 992 const u8 *channel_list, size_t channel_list_len); 993 void p2p_handle_go_neg_req(struct p2p_data *p2p, const u8 *sa, const u8 *data, 994 size_t len, int rx_freq); 995 void p2p_handle_go_neg_resp(struct p2p_data *p2p, const u8 *sa, const u8 *data, 996 size_t len, int rx_freq); 997 void p2p_handle_go_neg_conf(struct p2p_data *p2p, const u8 *sa, const u8 *data, 998 size_t len, bool p2p2); 999 struct wpabuf * p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 1000 const u8 *data, size_t len, int rx_freq, 1001 bool p2p2); 1002 struct wpabuf * p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 1003 const u8 *data, size_t len, 1004 int rx_freq, bool p2p2); 1005 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 1006 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 1007 void p2p_reselect_channel(struct p2p_data *p2p, 1008 struct p2p_channels *intersection); 1009 void p2p_check_pref_chan(struct p2p_data *p2p, int go, 1010 struct p2p_device *dev, struct p2p_message *msg); 1011 1012 /* p2p_pd.c */ 1013 void p2p_handle_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 1014 const u8 *data, size_t len, int rx_freq); 1015 void p2p_handle_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 1016 const u8 *data, size_t len, int rx_freq); 1017 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 1018 int join, int force_freq); 1019 void p2p_reset_pending_pd(struct p2p_data *p2p); 1020 void p2ps_prov_free(struct p2p_data *p2p); 1021 void p2p_process_pcea(struct p2p_data *p2p, struct p2p_message *msg, 1022 struct p2p_device *dev); 1023 1024 /* p2p_invitation.c */ 1025 struct wpabuf * p2p_build_invitation_req(struct p2p_data *p2p, 1026 struct p2p_device *peer, 1027 const u8 *go_dev_addr, int dev_pw_id); 1028 void p2p_handle_invitation_req(struct p2p_data *p2p, const u8 *sa, 1029 const u8 *data, size_t len, int rx_freq); 1030 void p2p_handle_invitation_resp(struct p2p_data *p2p, const u8 *sa, 1031 const u8 *data, size_t len); 1032 struct wpabuf * p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 1033 const u8 *data, size_t len, 1034 int rx_freq, bool p2p2); 1035 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 1036 const u8 *data, size_t len); 1037 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 1038 const u8 *go_dev_addr, int dev_pw_id); 1039 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 1040 void p2p_invitation_resp_cb(struct p2p_data *p2p, const u8 *dst, int success); 1041 void p2p_start_invitation_connect(struct p2p_data *p2p, struct p2p_device *dev); 1042 1043 /* p2p_dev_disc.c */ 1044 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 1045 const u8 *data, size_t len, int rx_freq); 1046 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 1047 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 1048 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 1049 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 1050 const u8 *data, size_t len); 1051 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 1052 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 1053 const u8 *data, size_t len, int rx_freq); 1054 1055 /* p2p.c */ 1056 void p2p_set_state(struct p2p_data *p2p, int new_state); 1057 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 1058 unsigned int usec); 1059 void p2p_clear_timeout(struct p2p_data *p2p); 1060 void p2p_continue_find(struct p2p_data *p2p); 1061 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 1062 const u8 *addr, 1063 struct p2p_message *msg); 1064 void p2p_update_peer_6ghz_capab(struct p2p_device *dev, 1065 const struct p2p_message *msg); 1066 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 1067 struct p2p_device *dev, struct p2p_message *msg); 1068 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 1069 struct os_reltime *rx_time, int level, const u8 *ies, 1070 size_t ies_len, int scan_res); 1071 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 1072 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 1073 const u8 *addr); 1074 void p2p_go_neg_failed(struct p2p_data *p2p, int status); 1075 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 1076 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 1077 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 1078 size_t num_req_dev_type); 1079 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p, 1080 const u8 *query_hash, 1081 u8 query_count); 1082 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 1083 const u8 *src, const u8 *bssid, const u8 *buf, 1084 size_t len, unsigned int wait_time); 1085 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 1086 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 1087 unsigned int force_freq, unsigned int pref_freq, 1088 int go); 1089 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 1090 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 1091 u8 *status); 1092 void p2p_pref_channel_filter(const struct p2p_channels *a, 1093 const struct weighted_pcl *freq_list, 1094 unsigned int num_channels, 1095 struct p2p_channels *res, bool go); 1096 1097 void p2p_sd_query_cb(struct p2p_data *p2p, int success); 1098 void p2p_pasn_initialize(struct p2p_data *p2p, struct p2p_device *dev, 1099 const u8 *addr, int freq, bool verify, 1100 bool derive_kek); 1101 void p2p_buf_add_usd_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 1102 1103 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 1104 PRINTF_FORMAT(2, 3); 1105 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 1106 PRINTF_FORMAT(2, 3); 1107 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 1108 PRINTF_FORMAT(2, 3); 1109 1110 #endif /* P2P_I_H */ 1111