wpa_supplicant/wpa_supplicant_i.h

   1 /*
   2  * wpa_supplicant - Internal definitions
   3  * Copyright (c) 2003-2014, 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 WPA_SUPPLICANT_I_H
  10 #define WPA_SUPPLICANT_I_H
  11
  12 #include "utils/list.h"
  13 #include "common/defs.h"
  14 #include "common/sae.h"
  15 #include "common/wpa_ctrl.h"
  16 #include "wps/wps_defs.h"
  17 #include "config_ssid.h"
  18 #include "wmm_ac.h"
  19
  20 extern const char *const wpa_supplicant_version;
  21 extern const char *const wpa_supplicant_license;
  22 #ifndef CONFIG_NO_STDOUT_DEBUG
  23 extern const char *const wpa_supplicant_full_license1;
  24 extern const char *const wpa_supplicant_full_license2;
  25 extern const char *const wpa_supplicant_full_license3;
  26 extern const char *const wpa_supplicant_full_license4;
  27 extern const char *const wpa_supplicant_full_license5;
  28 #endif /* CONFIG_NO_STDOUT_DEBUG */
  29
  30 struct wpa_sm;
  31 struct wpa_supplicant;
  32 struct ibss_rsn;
  33 struct scan_info;
  34 struct wpa_bss;
  35 struct wpa_scan_results;
  36 struct hostapd_hw_modes;
  37 struct wpa_driver_associate_params;
  38
  39 /*
  40  * Forward declarations of private structures used within the ctrl_iface
  41  * backends. Other parts of wpa_supplicant do not have access to data stored in
  42  * these structures.
  43  */
  44 struct ctrl_iface_priv;
  45 struct ctrl_iface_global_priv;
  46 struct wpas_dbus_priv;
  47
  48 /**
  49  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  50  */
  51 struct wpa_interface {
  52         /**
  53          * confname - Configuration name (file or profile) name
  54          *
  55          * This can also be %NULL when a configuration file is not used. In
  56          * that case, ctrl_interface must be set to allow the interface to be
  57          * configured.
  58          */
  59         const char *confname;
  60
  61         /**
  62          * confanother - Additional configuration name (file or profile) name
  63          *
  64          * This can also be %NULL when the additional configuration file is not
  65          * used.
  66          */
  67         const char *confanother;
  68
  69         /**
  70          * ctrl_interface - Control interface parameter
  71          *
  72          * If a configuration file is not used, this variable can be used to
  73          * set the ctrl_interface parameter that would have otherwise been read
  74          * from the configuration file. If both confname and ctrl_interface are
  75          * set, ctrl_interface is used to override the value from configuration
  76          * file.
  77          */
  78         const char *ctrl_interface;
  79
  80         /**
  81          * driver - Driver interface name, or %NULL to use the default driver
  82          */
  83         const char *driver;
  84
  85         /**
  86          * driver_param - Driver interface parameters
  87          *
  88          * If a configuration file is not used, this variable can be used to
  89          * set the driver_param parameters that would have otherwise been read
  90          * from the configuration file. If both confname and driver_param are
  91          * set, driver_param is used to override the value from configuration
  92          * file.
  93          */
  94         const char *driver_param;
  95
  96         /**
  97          * ifname - Interface name
  98          */
  99         const char *ifname;
 100
 101         /**
 102          * bridge_ifname - Optional bridge interface name
 103          *
 104          * If the driver interface (ifname) is included in a Linux bridge
 105          * device, the bridge interface may need to be used for receiving EAPOL
 106          * frames. This can be enabled by setting this variable to enable
 107          * receiving of EAPOL frames from an additional interface.
 108          */
 109         const char *bridge_ifname;
 110
 111         /**
 112          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 113          *
 114          * Indicates whether wpas_p2p_init() must be called for this interface.
 115          * This is used only when the driver supports a dedicated P2P Device
 116          * interface that is not a network interface.
 117          */
 118         int p2p_mgmt;
 119 };
 120
 121 /**
 122  * struct wpa_params - Parameters for wpa_supplicant_init()
 123  */
 124 struct wpa_params {
 125         /**
 126          * daemonize - Run %wpa_supplicant in the background
 127          */
 128         int daemonize;
 129
 130         /**
 131          * wait_for_monitor - Wait for a monitor program before starting
 132          */
 133         int wait_for_monitor;
 134
 135         /**
 136          * pid_file - Path to a PID (process ID) file
 137          *
 138          * If this and daemonize are set, process ID of the background process
 139          * will be written to the specified file.
 140          */
 141         char *pid_file;
 142
 143         /**
 144          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 145          */
 146         int wpa_debug_level;
 147
 148         /**
 149          * wpa_debug_show_keys - Whether keying material is included in debug
 150          *
 151          * This parameter can be used to allow keying material to be included
 152          * in debug messages. This is a security risk and this option should
 153          * not be enabled in normal configuration. If needed during
 154          * development or while troubleshooting, this option can provide more
 155          * details for figuring out what is happening.
 156          */
 157         int wpa_debug_show_keys;
 158
 159         /**
 160          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 161          */
 162         int wpa_debug_timestamp;
 163
 164         /**
 165          * ctrl_interface - Global ctrl_iface path/parameter
 166          */
 167         char *ctrl_interface;
 168
 169         /**
 170          * ctrl_interface_group - Global ctrl_iface group
 171          */
 172         char *ctrl_interface_group;
 173
 174         /**
 175          * dbus_ctrl_interface - Enable the DBus control interface
 176          */
 177         int dbus_ctrl_interface;
 178
 179         /**
 180          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 181          */
 182         const char *wpa_debug_file_path;
 183
 184         /**
 185          * wpa_debug_syslog - Enable log output through syslog
 186          */
 187         int wpa_debug_syslog;
 188
 189         /**
 190          * wpa_debug_tracing - Enable log output through Linux tracing
 191          */
 192         int wpa_debug_tracing;
 193
 194         /**
 195          * override_driver - Optional driver parameter override
 196          *
 197          * This parameter can be used to override the driver parameter in
 198          * dynamic interface addition to force a specific driver wrapper to be
 199          * used instead.
 200          */
 201         char *override_driver;
 202
 203         /**
 204          * override_ctrl_interface - Optional ctrl_interface override
 205          *
 206          * This parameter can be used to override the ctrl_interface parameter
 207          * in dynamic interface addition to force a control interface to be
 208          * created.
 209          */
 210         char *override_ctrl_interface;
 211
 212         /**
 213          * entropy_file - Optional entropy file
 214          *
 215          * This parameter can be used to configure wpa_supplicant to maintain
 216          * its internal entropy store over restarts.
 217          */
 218         char *entropy_file;
 219
 220 #ifdef CONFIG_P2P
 221         /**
 222          * conf_p2p_dev - Configuration file used to hold the
 223          * P2P Device configuration parameters.
 224          *
 225          * This can also be %NULL. In such a case, if a P2P Device dedicated
 226          * interfaces is created, the main configuration file will be used.
 227          */
 228         char *conf_p2p_dev;
 229 #endif /* CONFIG_P2P */
 230
 231 };
 232
 233 struct p2p_srv_bonjour {
 234         struct dl_list list;
 235         struct wpabuf *query;
 236         struct wpabuf *resp;
 237 };
 238
 239 struct p2p_srv_upnp {
 240         struct dl_list list;
 241         u8 version;
 242         char *service;
 243 };
 244
 245 /**
 246  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 247  *
 248  * This structure is initialized by calling wpa_supplicant_init() when starting
 249  * %wpa_supplicant.
 250  */
 251 struct wpa_global {
 252         struct wpa_supplicant *ifaces;
 253         struct wpa_params params;
 254         struct ctrl_iface_global_priv *ctrl_iface;
 255         struct wpas_dbus_priv *dbus;
 256         void **drv_priv;
 257         size_t drv_count;
 258         struct os_time suspend_time;
 259         struct p2p_data *p2p;
 260         struct wpa_supplicant *p2p_init_wpa_s;
 261         struct wpa_supplicant *p2p_group_formation;
 262         struct wpa_supplicant *p2p_invite_group;
 263         u8 p2p_dev_addr[ETH_ALEN];
 264         struct os_reltime p2p_go_wait_client;
 265         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 266         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 267         int p2p_disabled;
 268         int cross_connection;
 269         struct wpa_freq_range_list p2p_disallow_freq;
 270         struct wpa_freq_range_list p2p_go_avoid_freq;
 271         enum wpa_conc_pref {
 272                 WPA_CONC_PREF_NOT_SET,
 273                 WPA_CONC_PREF_STA,
 274                 WPA_CONC_PREF_P2P
 275         } conc_pref;
 276         unsigned int p2p_per_sta_psk:1;
 277         unsigned int p2p_fail_on_wps_complete:1;
 278         unsigned int p2p_24ghz_social_channels:1;
 279         unsigned int pending_p2ps_group:1;
 280         unsigned int pending_group_iface_for_p2ps:1;
 281
 282 #ifdef CONFIG_WIFI_DISPLAY
 283         int wifi_display;
 284 #define MAX_WFD_SUBELEMS 10
 285         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 286 #endif /* CONFIG_WIFI_DISPLAY */
 287
 288         struct psk_list_entry *add_psk; /* From group formation */
 289 };
 290
 291
 292 /**
 293  * struct wpa_radio - Internal data for per-radio information
 294  *
 295  * This structure is used to share data about configured interfaces
 296  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 297  * better coordination of offchannel operations.
 298  */
 299 struct wpa_radio {
 300         char name[16]; /* from driver_ops get_radio_name() or empty if not
 301                         * available */
 302         unsigned int external_scan_running:1;
 303         unsigned int num_active_works;
 304         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 305         struct dl_list work; /* struct wpa_radio_work::list entries */
 306 };
 307
 308 #define MAX_ACTIVE_WORKS 2
 309
 310 enum wpa_radio_work_band {
 311         BAND_2_4_GHZ = BIT(0),
 312         BAND_5_GHZ = BIT(1),
 313         BAND_60_GHZ = BIT(2),
 314 };
 315
 316 /**
 317  * struct wpa_radio_work - Radio work item
 318  */
 319 struct wpa_radio_work {
 320         struct dl_list list;
 321         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 322         const char *type;
 323         struct wpa_supplicant *wpa_s;
 324         void (*cb)(struct wpa_radio_work *work, int deinit);
 325         void *ctx;
 326         unsigned int started:1;
 327         struct os_reltime time;
 328         unsigned int bands;
 329 };
 330
 331 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 332                    const char *type, int next,
 333                    void (*cb)(struct wpa_radio_work *work, int deinit),
 334                    void *ctx);
 335 void radio_work_done(struct wpa_radio_work *work);
 336 void radio_remove_works(struct wpa_supplicant *wpa_s,
 337                         const char *type, int remove_all);
 338 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 339 struct wpa_radio_work *
 340 radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 341
 342 struct wpa_connect_work {
 343         unsigned int sme:1;
 344         unsigned int bss_removed:1;
 345         struct wpa_bss *bss;
 346         struct wpa_ssid *ssid;
 347 };
 348
 349 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 350                         struct wpa_ssid *test_ssid);
 351 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 352 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 353
 354 struct wpa_external_work {
 355         unsigned int id;
 356         char type[100];
 357         unsigned int timeout;
 358 };
 359
 360 /**
 361  * offchannel_send_action_result - Result of offchannel send Action frame
 362  */
 363 enum offchannel_send_action_result {
 364         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 365         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 366                                        */,
 367         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 368                                        */
 369 };
 370
 371 struct wps_ap_info {
 372         u8 bssid[ETH_ALEN];
 373         enum wps_ap_info_type {
 374                 WPS_AP_NOT_SEL_REG,
 375                 WPS_AP_SEL_REG,
 376                 WPS_AP_SEL_REG_OUR
 377         } type;
 378         unsigned int tries;
 379         struct os_reltime last_attempt;
 380         unsigned int pbc_active;
 381         u8 uuid[WPS_UUID_LEN];
 382 };
 383
 384 struct wpa_ssid_value {
 385         u8 ssid[SSID_MAX_LEN];
 386         size_t ssid_len;
 387 };
 388
 389 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 390 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 391
 392 struct wpa_used_freq_data {
 393         int freq;
 394         unsigned int flags;
 395 };
 396
 397 #define RRM_NEIGHBOR_REPORT_TIMEOUT 1 /* 1 second for AP to send a report */
 398
 399 /*
 400  * struct rrm_data - Data used for managing RRM features
 401  */
 402 struct rrm_data {
 403         /* rrm_used - indication regarding the current connection */
 404         unsigned int rrm_used:1;
 405
 406         /*
 407          * notify_neighbor_rep - Callback for notifying report requester
 408          */
 409         void (*notify_neighbor_rep)(void *ctx, struct wpabuf *neighbor_rep);
 410
 411         /*
 412          * neighbor_rep_cb_ctx - Callback context
 413          * Received in the callback registration, and sent to the callback
 414          * function as a parameter.
 415          */
 416         void *neighbor_rep_cb_ctx;
 417
 418         /* next_neighbor_rep_token - Next request's dialog token */
 419         u8 next_neighbor_rep_token;
 420 };
 421
 422 enum wpa_supplicant_test_failure {
 423         WPAS_TEST_FAILURE_NONE,
 424         WPAS_TEST_FAILURE_SCAN_TRIGGER,
 425 };
 426
 427 /**
 428  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 429  *
 430  * This structure contains the internal data for core wpa_supplicant code. This
 431  * should be only used directly from the core code. However, a pointer to this
 432  * data is used from other files as an arbitrary context pointer in calls to
 433  * core functions.
 434  */
 435 struct wpa_supplicant {
 436         struct wpa_global *global;
 437         struct wpa_radio *radio; /* shared radio context */
 438         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 439         struct wpa_supplicant *parent;
 440         struct wpa_supplicant *next;
 441         struct l2_packet_data *l2;
 442         struct l2_packet_data *l2_br;
 443         unsigned char own_addr[ETH_ALEN];
 444         unsigned char perm_addr[ETH_ALEN];
 445         char ifname[100];
 446 #ifdef CONFIG_CTRL_IFACE_DBUS
 447         char *dbus_path;
 448 #endif /* CONFIG_CTRL_IFACE_DBUS */
 449 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 450         char *dbus_new_path;
 451         char *dbus_groupobj_path;
 452 #ifdef CONFIG_AP
 453         char *preq_notify_peer;
 454 #endif /* CONFIG_AP */
 455 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 456         char bridge_ifname[16];
 457
 458         char *confname;
 459         char *confanother;
 460
 461         struct wpa_config *conf;
 462         int countermeasures;
 463         struct os_reltime last_michael_mic_error;
 464         u8 bssid[ETH_ALEN];
 465         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 466                                      * field contains the target BSSID. */
 467         int reassociate; /* reassociation requested */
 468         int reassoc_same_bss; /* reassociating to the same bss */
 469         int disconnected; /* all connections disabled; i.e., do no reassociate
 470                            * before this has been cleared */
 471         struct wpa_ssid *current_ssid;
 472         struct wpa_ssid *last_ssid;
 473         struct wpa_bss *current_bss;
 474         int ap_ies_from_associnfo;
 475         unsigned int assoc_freq;
 476
 477         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 478         int pairwise_cipher;
 479         int group_cipher;
 480         int key_mgmt;
 481         int wpa_proto;
 482         int mgmt_group_cipher;
 483
 484         void *drv_priv; /* private data used by driver_ops */
 485         void *global_drv_priv;
 486
 487         u8 *bssid_filter;
 488         size_t bssid_filter_count;
 489
 490         u8 *disallow_aps_bssid;
 491         size_t disallow_aps_bssid_count;
 492         struct wpa_ssid_value *disallow_aps_ssid;
 493         size_t disallow_aps_ssid_count;
 494
 495         enum set_band setband;
 496
 497         /* Preferred network for the next connection attempt */
 498         struct wpa_ssid *next_ssid;
 499
 500         /* previous scan was wildcard when interleaving between
 501          * wildcard scans and specific SSID scan when max_ssids=1 */
 502         int prev_scan_wildcard;
 503         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 504                                           * NULL = not yet initialized (start
 505                                           * with wildcard SSID)
 506                                           * WILDCARD_SSID_SCAN = wildcard
 507                                           * SSID was used in the previous scan
 508                                           */
 509 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 510
 511         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 512         int sched_scan_timeout;
 513         int sched_scan_interval;
 514         int first_sched_scan;
 515         int sched_scan_timed_out;
 516
 517         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 518                                  struct wpa_scan_results *scan_res);
 519         struct dl_list bss; /* struct wpa_bss::list */
 520         struct dl_list bss_id; /* struct wpa_bss::list_id */
 521         size_t num_bss;
 522         unsigned int bss_update_idx;
 523         unsigned int bss_next_id;
 524
 525          /*
 526           * Pointers to BSS entries in the order they were in the last scan
 527           * results.
 528           */
 529         struct wpa_bss **last_scan_res;
 530         unsigned int last_scan_res_used;
 531         unsigned int last_scan_res_size;
 532         struct os_reltime last_scan;
 533
 534         const struct wpa_driver_ops *driver;
 535         int interface_removed; /* whether the network interface has been
 536                                 * removed */
 537         struct wpa_sm *wpa;
 538         struct eapol_sm *eapol;
 539
 540         struct ctrl_iface_priv *ctrl_iface;
 541
 542         enum wpa_states wpa_state;
 543         struct wpa_radio_work *scan_work;
 544         int scanning;
 545         int sched_scanning;
 546         int new_connection;
 547
 548         int eapol_received; /* number of EAPOL packets received after the
 549                              * previous association event */
 550
 551         struct scard_data *scard;
 552         char imsi[20];
 553         int mnc_len;
 554
 555         unsigned char last_eapol_src[ETH_ALEN];
 556
 557         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 558                                     * known not to be configured with a key */
 559
 560         struct wpa_blacklist *blacklist;
 561
 562         /**
 563          * extra_blacklist_count - Sum of blacklist counts after last connection
 564          *
 565          * This variable is used to maintain a count of temporary blacklisting
 566          * failures (maximum number for any BSS) over blacklist clear
 567          * operations. This is needed for figuring out whether there has been
 568          * failures prior to the last blacklist clear operation which happens
 569          * whenever no other not-blacklisted BSS candidates are available. This
 570          * gets cleared whenever a connection has been established successfully.
 571          */
 572         int extra_blacklist_count;
 573
 574         /**
 575          * scan_req - Type of the scan request
 576          */
 577         enum scan_req_type {
 578                 /**
 579                  * NORMAL_SCAN_REQ - Normal scan request
 580                  *
 581                  * This is used for scans initiated by wpa_supplicant to find an
 582                  * AP for a connection.
 583                  */
 584                 NORMAL_SCAN_REQ,
 585
 586                 /**
 587                  * INITIAL_SCAN_REQ - Initial scan request
 588                  *
 589                  * This is used for the first scan on an interface to force at
 590                  * least one scan to be run even if the configuration does not
 591                  * include any enabled networks.
 592                  */
 593                 INITIAL_SCAN_REQ,
 594
 595                 /**
 596                  * MANUAL_SCAN_REQ - Manual scan request
 597                  *
 598                  * This is used for scans where the user request a scan or
 599                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 600                  * to be run.
 601                  */
 602                 MANUAL_SCAN_REQ
 603         } scan_req, last_scan_req;
 604         enum wpa_states scan_prev_wpa_state;
 605         struct os_reltime scan_trigger_time, scan_start_time;
 606         /* Minimum freshness requirement for connection purposes */
 607         struct os_reltime scan_min_time;
 608         int scan_runs; /* number of scan runs since WPS was started */
 609         int *next_scan_freqs;
 610         int *manual_scan_freqs;
 611         int *manual_sched_scan_freqs;
 612         unsigned int manual_scan_passive:1;
 613         unsigned int manual_scan_use_id:1;
 614         unsigned int manual_scan_only_new:1;
 615         unsigned int own_scan_requested:1;
 616         unsigned int own_scan_running:1;
 617         unsigned int clear_driver_scan_cache:1;
 618         unsigned int manual_scan_id;
 619         int scan_interval; /* time in sec between scans to find suitable AP */
 620         int normal_scans; /* normal scans run before sched_scan */
 621         int scan_for_connection; /* whether the scan request was triggered for
 622                                   * finding a connection */
 623 #define MAX_SCAN_ID 16
 624         int scan_id[MAX_SCAN_ID];
 625         unsigned int scan_id_count;
 626
 627         struct wpa_ssid_value *ssids_from_scan_req;
 628         unsigned int num_ssids_from_scan_req;
 629
 630         u64 drv_flags;
 631         unsigned int drv_enc;
 632         unsigned int drv_smps_modes;
 633         unsigned int drv_rrm_flags;
 634
 635         /*
 636          * A bitmap of supported protocols for probe response offload. See
 637          * struct wpa_driver_capa in driver.h
 638          */
 639         unsigned int probe_resp_offloads;
 640
 641         /* extended capabilities supported by the driver */
 642         const u8 *extended_capa, *extended_capa_mask;
 643         unsigned int extended_capa_len;
 644
 645         int max_scan_ssids;
 646         int max_sched_scan_ssids;
 647         int sched_scan_supported;
 648         unsigned int max_match_sets;
 649         unsigned int max_remain_on_chan;
 650         unsigned int max_stations;
 651
 652         int pending_mic_error_report;
 653         int pending_mic_error_pairwise;
 654         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 655
 656         struct wps_context *wps;
 657         int wps_success; /* WPS success event received */
 658         struct wps_er *wps_er;
 659         unsigned int wps_run;
 660         struct os_reltime wps_pin_start_time;
 661         int blacklist_cleared;
 662
 663         struct wpabuf *pending_eapol_rx;
 664         struct os_reltime pending_eapol_rx_time;
 665         u8 pending_eapol_rx_src[ETH_ALEN];
 666         unsigned int last_eapol_matches_bssid:1;
 667         unsigned int eap_expected_failure:1;
 668         unsigned int reattach:1; /* reassociation to the same BSS requested */
 669         unsigned int mac_addr_changed:1;
 670         unsigned int added_vif:1;
 671
 672         struct os_reltime last_mac_addr_change;
 673         int last_mac_addr_style;
 674
 675         struct ibss_rsn *ibss_rsn;
 676
 677         int set_sta_uapsd;
 678         int sta_uapsd;
 679         int set_ap_uapsd;
 680         int ap_uapsd;
 681
 682 #ifdef CONFIG_SME
 683         struct {
 684                 u8 ssid[SSID_MAX_LEN];
 685                 size_t ssid_len;
 686                 int freq;
 687                 u8 assoc_req_ie[200];
 688                 size_t assoc_req_ie_len;
 689                 int mfp;
 690                 int ft_used;
 691                 u8 mobility_domain[2];
 692                 u8 *ft_ies;
 693                 size_t ft_ies_len;
 694                 u8 prev_bssid[ETH_ALEN];
 695                 int prev_bssid_set;
 696                 int auth_alg;
 697                 int proto;
 698
 699                 int sa_query_count; /* number of pending SA Query requests;
 700                                      * 0 = no SA Query in progress */
 701                 int sa_query_timed_out;
 702                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 703                                         * sa_query_count octets of pending
 704                                         * SA Query transaction identifiers */
 705                 struct os_reltime sa_query_start;
 706                 struct os_reltime last_unprot_disconnect;
 707                 enum { HT_SEC_CHAN_UNKNOWN,
 708                        HT_SEC_CHAN_ABOVE,
 709                        HT_SEC_CHAN_BELOW } ht_sec_chan;
 710                 u8 sched_obss_scan;
 711                 u16 obss_scan_int;
 712                 u16 bss_max_idle_period;
 713 #ifdef CONFIG_SAE
 714                 struct sae_data sae;
 715                 struct wpabuf *sae_token;
 716                 int sae_group_index;
 717                 unsigned int sae_pmksa_caching:1;
 718 #endif /* CONFIG_SAE */
 719         } sme;
 720 #endif /* CONFIG_SME */
 721
 722 #ifdef CONFIG_AP
 723         struct hostapd_iface *ap_iface;
 724         void (*ap_configured_cb)(void *ctx, void *data);
 725         void *ap_configured_cb_ctx;
 726         void *ap_configured_cb_data;
 727 #endif /* CONFIG_AP */
 728
 729         struct hostapd_iface *ifmsh;
 730 #ifdef CONFIG_MESH
 731         struct mesh_rsn *mesh_rsn;
 732         int mesh_if_idx;
 733         unsigned int mesh_if_created:1;
 734         unsigned int mesh_ht_enabled:1;
 735         int mesh_auth_block_duration; /* sec */
 736 #endif /* CONFIG_MESH */
 737
 738         unsigned int off_channel_freq;
 739         struct wpabuf *pending_action_tx;
 740         u8 pending_action_src[ETH_ALEN];
 741         u8 pending_action_dst[ETH_ALEN];
 742         u8 pending_action_bssid[ETH_ALEN];
 743         unsigned int pending_action_freq;
 744         int pending_action_no_cck;
 745         int pending_action_without_roc;
 746         unsigned int pending_action_tx_done:1;
 747         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 748                                             unsigned int freq, const u8 *dst,
 749                                             const u8 *src, const u8 *bssid,
 750                                             const u8 *data, size_t data_len,
 751                                             enum offchannel_send_action_result
 752                                             result);
 753         unsigned int roc_waiting_drv_freq;
 754         int action_tx_wait_time;
 755
 756         int p2p_mgmt;
 757
 758 #ifdef CONFIG_P2P
 759         struct p2p_go_neg_results *go_params;
 760         int create_p2p_iface;
 761         u8 pending_interface_addr[ETH_ALEN];
 762         char pending_interface_name[100];
 763         int pending_interface_type;
 764         int p2p_group_idx;
 765         unsigned int pending_listen_freq;
 766         unsigned int pending_listen_duration;
 767         enum {
 768                 NOT_P2P_GROUP_INTERFACE,
 769                 P2P_GROUP_INTERFACE_PENDING,
 770                 P2P_GROUP_INTERFACE_GO,
 771                 P2P_GROUP_INTERFACE_CLIENT
 772         } p2p_group_interface;
 773         struct p2p_group *p2p_group;
 774         int p2p_long_listen; /* remaining time in long Listen state in ms */
 775         char p2p_pin[10];
 776         int p2p_wps_method;
 777         u8 p2p_auth_invite[ETH_ALEN];
 778         int p2p_sd_over_ctrl_iface;
 779         int p2p_in_provisioning;
 780         int p2p_in_invitation;
 781         int p2p_invite_go_freq;
 782         int pending_invite_ssid_id;
 783         int show_group_started;
 784         u8 go_dev_addr[ETH_ALEN];
 785         int pending_pd_before_join;
 786         u8 pending_join_iface_addr[ETH_ALEN];
 787         u8 pending_join_dev_addr[ETH_ALEN];
 788         int pending_join_wps_method;
 789         u8 p2p_join_ssid[SSID_MAX_LEN];
 790         size_t p2p_join_ssid_len;
 791         int p2p_join_scan_count;
 792         int auto_pd_scan_retry;
 793         int force_long_sd;
 794         u16 pending_pd_config_methods;
 795         enum {
 796                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN, AUTO_PD_ASP
 797         } pending_pd_use;
 798
 799         /*
 800          * Whether cross connection is disallowed by the AP to which this
 801          * interface is associated (only valid if there is an association).
 802          */
 803         int cross_connect_disallowed;
 804
 805         /*
 806          * Whether this P2P group is configured to use cross connection (only
 807          * valid if this is P2P GO interface). The actual cross connect packet
 808          * forwarding may not be configured depending on the uplink status.
 809          */
 810         int cross_connect_enabled;
 811
 812         /* Whether cross connection forwarding is in use at the moment. */
 813         int cross_connect_in_use;
 814
 815         /*
 816          * Uplink interface name for cross connection
 817          */
 818         char cross_connect_uplink[100];
 819
 820         unsigned int p2p_auto_join:1;
 821         unsigned int p2p_auto_pd:1;
 822         unsigned int p2p_persistent_group:1;
 823         unsigned int p2p_fallback_to_go_neg:1;
 824         unsigned int p2p_pd_before_go_neg:1;
 825         unsigned int p2p_go_ht40:1;
 826         unsigned int p2p_go_vht:1;
 827         unsigned int user_initiated_pd:1;
 828         unsigned int p2p_go_group_formation_completed:1;
 829         unsigned int group_formation_reported:1;
 830         unsigned int waiting_presence_resp;
 831         int p2p_first_connection_timeout;
 832         unsigned int p2p_nfc_tag_enabled:1;
 833         unsigned int p2p_peer_oob_pk_hash_known:1;
 834         unsigned int p2p_disable_ip_addr_req:1;
 835         unsigned int p2ps_method_config_any:1;
 836         unsigned int p2p_cli_probe:1;
 837         int p2p_persistent_go_freq;
 838         int p2p_persistent_id;
 839         int p2p_go_intent;
 840         int p2p_connect_freq;
 841         struct os_reltime p2p_auto_started;
 842         struct wpa_ssid *p2p_last_4way_hs_fail;
 843         struct wpa_radio_work *p2p_scan_work;
 844         struct wpa_radio_work *p2p_listen_work;
 845         struct wpa_radio_work *p2p_send_action_work;
 846
 847         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 848         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 849                                         * formation */
 850         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 851         u8 p2p_ip_addr_info[3 * 4];
 852
 853         /* group common frequencies */
 854         int *p2p_group_common_freqs;
 855         unsigned int p2p_group_common_freqs_num;
 856         u8 p2ps_join_addr[ETH_ALEN];
 857 #endif /* CONFIG_P2P */
 858
 859         struct wpa_ssid *bgscan_ssid;
 860         const struct bgscan_ops *bgscan;
 861         void *bgscan_priv;
 862
 863         const struct autoscan_ops *autoscan;
 864         struct wpa_driver_scan_params *autoscan_params;
 865         void *autoscan_priv;
 866
 867         struct wpa_ssid *connect_without_scan;
 868
 869         struct wps_ap_info *wps_ap;
 870         size_t num_wps_ap;
 871         int wps_ap_iter;
 872
 873         int after_wps;
 874         int known_wps_freq;
 875         unsigned int wps_freq;
 876         int wps_fragment_size;
 877         int auto_reconnect_disabled;
 878
 879          /* Channel preferences for AP/P2P GO use */
 880         int best_24_freq;
 881         int best_5_freq;
 882         int best_overall_freq;
 883
 884         struct gas_query *gas;
 885
 886 #ifdef CONFIG_INTERWORKING
 887         unsigned int fetch_anqp_in_progress:1;
 888         unsigned int network_select:1;
 889         unsigned int auto_select:1;
 890         unsigned int auto_network_select:1;
 891         unsigned int interworking_fast_assoc_tried:1;
 892         unsigned int fetch_all_anqp:1;
 893         unsigned int fetch_osu_info:1;
 894         unsigned int fetch_osu_waiting_scan:1;
 895         unsigned int fetch_osu_icon_in_progress:1;
 896         struct wpa_bss *interworking_gas_bss;
 897         unsigned int osu_icon_id;
 898         struct osu_provider *osu_prov;
 899         size_t osu_prov_count;
 900         struct os_reltime osu_icon_fetch_start;
 901         unsigned int num_osu_scans;
 902         unsigned int num_prov_found;
 903 #endif /* CONFIG_INTERWORKING */
 904         unsigned int drv_capa_known;
 905
 906         struct {
 907                 struct hostapd_hw_modes *modes;
 908                 u16 num_modes;
 909                 u16 flags;
 910         } hw;
 911         enum local_hw_capab {
 912                 CAPAB_NO_HT_VHT,
 913                 CAPAB_HT,
 914                 CAPAB_HT40,
 915                 CAPAB_VHT,
 916         } hw_capab;
 917 #ifdef CONFIG_MACSEC
 918         struct ieee802_1x_kay *kay;
 919 #endif /* CONFIG_MACSEC */
 920
 921         int pno;
 922         int pno_sched_pending;
 923
 924         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 925         int disconnect_reason;
 926
 927         struct ext_password_data *ext_pw;
 928
 929         struct wpabuf *last_gas_resp, *prev_gas_resp;
 930         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 931         u8 last_gas_dialog_token, prev_gas_dialog_token;
 932
 933         unsigned int no_keep_alive:1;
 934         unsigned int ext_mgmt_frame_handling:1;
 935         unsigned int ext_eapol_frame_io:1;
 936         unsigned int wmm_ac_supported:1;
 937         unsigned int ext_work_in_progress:1;
 938         unsigned int own_disconnect_req:1;
 939
 940 #define MAC_ADDR_RAND_SCAN       BIT(0)
 941 #define MAC_ADDR_RAND_SCHED_SCAN BIT(1)
 942 #define MAC_ADDR_RAND_PNO        BIT(2)
 943 #define MAC_ADDR_RAND_ALL        (MAC_ADDR_RAND_SCAN | \
 944                                   MAC_ADDR_RAND_SCHED_SCAN | \
 945                                   MAC_ADDR_RAND_PNO)
 946         unsigned int mac_addr_rand_supported;
 947         unsigned int mac_addr_rand_enable;
 948
 949         /* MAC Address followed by mask (2 * ETH_ALEN) */
 950         u8 *mac_addr_scan;
 951         u8 *mac_addr_sched_scan;
 952         u8 *mac_addr_pno;
 953
 954 #ifdef CONFIG_WNM
 955         u8 wnm_dialog_token;
 956         u8 wnm_reply;
 957         u8 wnm_num_neighbor_report;
 958         u8 wnm_mode;
 959         u16 wnm_dissoc_timer;
 960         u8 wnm_bss_termination_duration[12];
 961         struct neighbor_report *wnm_neighbor_report_elements;
 962         struct os_reltime wnm_cand_valid_until;
 963         u8 wnm_cand_from_bss[ETH_ALEN];
 964 #endif /* CONFIG_WNM */
 965
 966 #ifdef CONFIG_TESTING_GET_GTK
 967         u8 last_gtk[32];
 968         size_t last_gtk_len;
 969 #endif /* CONFIG_TESTING_GET_GTK */
 970
 971         unsigned int num_multichan_concurrent;
 972         struct wpa_radio_work *connect_work;
 973
 974         unsigned int ext_work_id;
 975
 976         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
 977
 978 #ifdef CONFIG_TESTING_OPTIONS
 979         struct l2_packet_data *l2_test;
 980         unsigned int extra_roc_dur;
 981         enum wpa_supplicant_test_failure test_failure;
 982 #endif /* CONFIG_TESTING_OPTIONS */
 983
 984         struct wmm_ac_assoc_data *wmm_ac_assoc_info;
 985         struct wmm_tspec_element *tspecs[WMM_AC_NUM][TS_DIR_IDX_COUNT];
 986         struct wmm_ac_addts_request *addts_request;
 987         u8 wmm_ac_last_dialog_token;
 988         struct wmm_tspec_element *last_tspecs;
 989         u8 last_tspecs_count;
 990
 991         struct rrm_data rrm;
 992
 993 #ifdef CONFIG_FST
 994         struct fst_iface *fst;
 995         const struct wpabuf *fst_ies;
 996         struct wpabuf *received_mb_ies;
 997 #endif /* CONFIG_FST */
 998 };
 999
1000
1001 /* wpa_supplicant.c */
1002 void wpa_supplicant_apply_ht_overrides(
1003         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
1004         struct wpa_driver_associate_params *params);
1005 void wpa_supplicant_apply_vht_overrides(
1006         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
1007         struct wpa_driver_associate_params *params);
1008
1009 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1010 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
1011                                     struct wpa_ssid *ssid);
1012
1013 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
1014
1015 const char * wpa_supplicant_state_txt(enum wpa_states state);
1016 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
1017 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
1018 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
1019                               struct wpa_bss *bss, struct wpa_ssid *ssid,
1020                               u8 *wpa_ie, size_t *wpa_ie_len);
1021 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
1022                               struct wpa_bss *bss,
1023                               struct wpa_ssid *ssid);
1024 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
1025                                        struct wpa_ssid *ssid);
1026 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
1027 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
1028 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
1029                                      int sec, int usec);
1030 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
1031 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
1032                               enum wpa_states state);
1033 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
1034 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
1035 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
1036 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
1037                                    int reason_code);
1038
1039 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
1040                                    struct wpa_ssid *ssid);
1041 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
1042                                     struct wpa_ssid *ssid);
1043 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
1044                                    struct wpa_ssid *ssid);
1045 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
1046                                            const char *pkcs11_engine_path,
1047                                            const char *pkcs11_module_path);
1048 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
1049                                int ap_scan);
1050 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
1051                                           unsigned int expire_age);
1052 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
1053                                             unsigned int expire_count);
1054 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
1055                                      int scan_interval);
1056 int wpa_supplicant_set_debug_params(struct wpa_global *global,
1057                                     int debug_level, int debug_timestamp,
1058                                     int debug_show_keys);
1059 void free_hw_features(struct wpa_supplicant *wpa_s);
1060
1061 void wpa_show_license(void);
1062
1063 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
1064                                                  struct wpa_interface *iface,
1065                                                  struct wpa_supplicant *parent);
1066 int wpa_supplicant_remove_iface(struct wpa_global *global,
1067                                 struct wpa_supplicant *wpa_s,
1068                                 int terminate);
1069 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
1070                                                  const char *ifname);
1071 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
1072 int wpa_supplicant_run(struct wpa_global *global);
1073 void wpa_supplicant_deinit(struct wpa_global *global);
1074
1075 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
1076                               struct wpa_ssid *ssid);
1077 void wpa_supplicant_terminate_proc(struct wpa_global *global);
1078 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
1079                              const u8 *buf, size_t len);
1080 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
1081 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
1082 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
1083 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
1084 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
1085 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
1086 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
1087                               struct wpa_ssid *ssid, int clear_failures);
1088 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
1089 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
1090                     size_t ssid_len);
1091 void wpas_request_connection(struct wpa_supplicant *wpa_s);
1092 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
1093 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
1094 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
1095 void add_freq(int *freqs, int *num_freqs, int freq);
1096
1097 void wpas_rrm_reset(struct wpa_supplicant *wpa_s);
1098 void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
1099                                    const u8 *report, size_t report_len);
1100 int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
1101                                        const struct wpa_ssid *ssid,
1102                                        void (*cb)(void *ctx,
1103                                                   struct wpabuf *neighbor_rep),
1104                                        void *cb_ctx);
1105 void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
1106                                               const u8 *src,
1107                                               const u8 *frame, size_t len,
1108                                               int rssi);
1109
1110 /**
1111  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
1112  * @wpa_s: Pointer to wpa_supplicant data
1113  * @ssid: Pointer to the network block the reply is for
1114  * @field: field the response is a reply for
1115  * @value: value (ie, password, etc) for @field
1116  * Returns: 0 on success, non-zero on error
1117  *
1118  * Helper function to handle replies to control interface requests.
1119  */
1120 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
1121                                               struct wpa_ssid *ssid,
1122                                               const char *field,
1123                                               const char *value);
1124
1125 void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
1126                           const struct wpa_ssid *ssid,
1127                           struct hostapd_freq_params *freq);
1128
1129 /* events.c */
1130 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
1131 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1132                            struct wpa_bss *selected,
1133                            struct wpa_ssid *ssid);
1134 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
1135 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
1136 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
1137 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
1138 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1139                                              struct wpa_ssid **selected_ssid);
1140
1141 /* eap_register.c */
1142 int eap_register_methods(void);
1143
1144 /**
1145  * Utility method to tell if a given network is for persistent group storage
1146  * @ssid: Network object
1147  * Returns: 1 if network is a persistent group, 0 otherwise
1148  */
1149 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1150 {
1151         return ssid->disabled == 2 && ssid->p2p_persistent_group;
1152 }
1153
1154 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1155 int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1156
1157 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1158
1159 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1160                     struct wpa_used_freq_data *freqs_data,
1161                     unsigned int len);
1162
1163 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1164                                 struct wpa_used_freq_data *freqs_data,
1165                                 unsigned int len);
1166 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1167                            int *freq_array, unsigned int len);
1168
1169 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx);
1170
1171 #ifdef CONFIG_FST
1172
1173 struct fst_wpa_obj;
1174
1175 void fst_wpa_supplicant_fill_iface_obj(struct wpa_supplicant *wpa_s,
1176                                        struct fst_wpa_obj *iface_obj);
1177
1178 #endif /* CONFIG_FST */
1179
1180 #endif /* WPA_SUPPLICANT_I_H */