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 *wpa_supplicant_version;
  21 extern const char *wpa_supplicant_license;
  22 #ifndef CONFIG_NO_STDOUT_DEBUG
  23 extern const char *wpa_supplicant_full_license1;
  24 extern const char *wpa_supplicant_full_license2;
  25 extern const char *wpa_supplicant_full_license3;
  26 extern const char *wpa_supplicant_full_license4;
  27 extern const char *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 #ifdef CONFIG_P2P
  70         /**
  71          * conf_p2p_dev - Configuration file used to hold the
  72          * P2P Device configuration parameters.
  73          *
  74          * This can also be %NULL. In such a case, if a P2P Device dedicated
  75          * interfaces is created, the main configuration file will be used.
  76          */
  77         const char *conf_p2p_dev;
  78 #endif /* CONFIG_P2P */
  79
  80         /**
  81          * ctrl_interface - Control interface parameter
  82          *
  83          * If a configuration file is not used, this variable can be used to
  84          * set the ctrl_interface parameter that would have otherwise been read
  85          * from the configuration file. If both confname and ctrl_interface are
  86          * set, ctrl_interface is used to override the value from configuration
  87          * file.
  88          */
  89         const char *ctrl_interface;
  90
  91         /**
  92          * driver - Driver interface name, or %NULL to use the default driver
  93          */
  94         const char *driver;
  95
  96         /**
  97          * driver_param - Driver interface parameters
  98          *
  99          * If a configuration file is not used, this variable can be used to
 100          * set the driver_param parameters that would have otherwise been read
 101          * from the configuration file. If both confname and driver_param are
 102          * set, driver_param is used to override the value from configuration
 103          * file.
 104          */
 105         const char *driver_param;
 106
 107         /**
 108          * ifname - Interface name
 109          */
 110         const char *ifname;
 111
 112         /**
 113          * bridge_ifname - Optional bridge interface name
 114          *
 115          * If the driver interface (ifname) is included in a Linux bridge
 116          * device, the bridge interface may need to be used for receiving EAPOL
 117          * frames. This can be enabled by setting this variable to enable
 118          * receiving of EAPOL frames from an additional interface.
 119          */
 120         const char *bridge_ifname;
 121
 122         /**
 123          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 124          *
 125          * Indicates whether wpas_p2p_init() must be called for this interface.
 126          * This is used only when the driver supports a dedicated P2P Device
 127          * interface that is not a network interface.
 128          */
 129         int p2p_mgmt;
 130 };
 131
 132 /**
 133  * struct wpa_params - Parameters for wpa_supplicant_init()
 134  */
 135 struct wpa_params {
 136         /**
 137          * daemonize - Run %wpa_supplicant in the background
 138          */
 139         int daemonize;
 140
 141         /**
 142          * wait_for_monitor - Wait for a monitor program before starting
 143          */
 144         int wait_for_monitor;
 145
 146         /**
 147          * pid_file - Path to a PID (process ID) file
 148          *
 149          * If this and daemonize are set, process ID of the background process
 150          * will be written to the specified file.
 151          */
 152         char *pid_file;
 153
 154         /**
 155          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 156          */
 157         int wpa_debug_level;
 158
 159         /**
 160          * wpa_debug_show_keys - Whether keying material is included in debug
 161          *
 162          * This parameter can be used to allow keying material to be included
 163          * in debug messages. This is a security risk and this option should
 164          * not be enabled in normal configuration. If needed during
 165          * development or while troubleshooting, this option can provide more
 166          * details for figuring out what is happening.
 167          */
 168         int wpa_debug_show_keys;
 169
 170         /**
 171          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 172          */
 173         int wpa_debug_timestamp;
 174
 175         /**
 176          * ctrl_interface - Global ctrl_iface path/parameter
 177          */
 178         char *ctrl_interface;
 179
 180         /**
 181          * ctrl_interface_group - Global ctrl_iface group
 182          */
 183         char *ctrl_interface_group;
 184
 185         /**
 186          * dbus_ctrl_interface - Enable the DBus control interface
 187          */
 188         int dbus_ctrl_interface;
 189
 190         /**
 191          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 192          */
 193         const char *wpa_debug_file_path;
 194
 195         /**
 196          * wpa_debug_syslog - Enable log output through syslog
 197          */
 198         int wpa_debug_syslog;
 199
 200         /**
 201          * wpa_debug_tracing - Enable log output through Linux tracing
 202          */
 203         int wpa_debug_tracing;
 204
 205         /**
 206          * override_driver - Optional driver parameter override
 207          *
 208          * This parameter can be used to override the driver parameter in
 209          * dynamic interface addition to force a specific driver wrapper to be
 210          * used instead.
 211          */
 212         char *override_driver;
 213
 214         /**
 215          * override_ctrl_interface - Optional ctrl_interface override
 216          *
 217          * This parameter can be used to override the ctrl_interface parameter
 218          * in dynamic interface addition to force a control interface to be
 219          * created.
 220          */
 221         char *override_ctrl_interface;
 222
 223         /**
 224          * entropy_file - Optional entropy file
 225          *
 226          * This parameter can be used to configure wpa_supplicant to maintain
 227          * its internal entropy store over restarts.
 228          */
 229         char *entropy_file;
 230 };
 231
 232 struct p2p_srv_bonjour {
 233         struct dl_list list;
 234         struct wpabuf *query;
 235         struct wpabuf *resp;
 236 };
 237
 238 struct p2p_srv_upnp {
 239         struct dl_list list;
 240         u8 version;
 241         char *service;
 242 };
 243
 244 /**
 245  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 246  *
 247  * This structure is initialized by calling wpa_supplicant_init() when starting
 248  * %wpa_supplicant.
 249  */
 250 struct wpa_global {
 251         struct wpa_supplicant *ifaces;
 252         struct wpa_params params;
 253         struct ctrl_iface_global_priv *ctrl_iface;
 254         struct wpas_dbus_priv *dbus;
 255         void **drv_priv;
 256         size_t drv_count;
 257         struct os_time suspend_time;
 258         struct p2p_data *p2p;
 259         struct wpa_supplicant *p2p_init_wpa_s;
 260         struct wpa_supplicant *p2p_group_formation;
 261         struct wpa_supplicant *p2p_invite_group;
 262         u8 p2p_dev_addr[ETH_ALEN];
 263         struct os_reltime p2p_go_wait_client;
 264         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 265         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 266         int p2p_disabled;
 267         int cross_connection;
 268         struct wpa_freq_range_list p2p_disallow_freq;
 269         struct wpa_freq_range_list p2p_go_avoid_freq;
 270         enum wpa_conc_pref {
 271                 WPA_CONC_PREF_NOT_SET,
 272                 WPA_CONC_PREF_STA,
 273                 WPA_CONC_PREF_P2P
 274         } conc_pref;
 275         unsigned int p2p_per_sta_psk:1;
 276         unsigned int p2p_fail_on_wps_complete:1;
 277         unsigned int p2p_24ghz_social_channels:1;
 278         unsigned int pending_p2ps_group:1;
 279         unsigned int pending_group_iface_for_p2ps:1;
 280
 281 #ifdef CONFIG_WIFI_DISPLAY
 282         int wifi_display;
 283 #define MAX_WFD_SUBELEMS 10
 284         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 285 #endif /* CONFIG_WIFI_DISPLAY */
 286
 287         struct psk_list_entry *add_psk; /* From group formation */
 288 };
 289
 290
 291 /**
 292  * struct wpa_radio - Internal data for per-radio information
 293  *
 294  * This structure is used to share data about configured interfaces
 295  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 296  * better coordination of offchannel operations.
 297  */
 298 struct wpa_radio {
 299         char name[16]; /* from driver_ops get_radio_name() or empty if not
 300                         * available */
 301         unsigned int external_scan_running:1;
 302         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 303         struct dl_list work; /* struct wpa_radio_work::list entries */
 304 };
 305
 306 /**
 307  * struct wpa_radio_work - Radio work item
 308  */
 309 struct wpa_radio_work {
 310         struct dl_list list;
 311         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 312         const char *type;
 313         struct wpa_supplicant *wpa_s;
 314         void (*cb)(struct wpa_radio_work *work, int deinit);
 315         void *ctx;
 316         unsigned int started:1;
 317         struct os_reltime time;
 318 };
 319
 320 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 321                    const char *type, int next,
 322                    void (*cb)(struct wpa_radio_work *work, int deinit),
 323                    void *ctx);
 324 void radio_work_done(struct wpa_radio_work *work);
 325 void radio_remove_works(struct wpa_supplicant *wpa_s,
 326                         const char *type, int remove_all);
 327 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 328 struct wpa_radio_work *
 329 radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 330
 331 struct wpa_connect_work {
 332         unsigned int sme:1;
 333         unsigned int bss_removed:1;
 334         struct wpa_bss *bss;
 335         struct wpa_ssid *ssid;
 336 };
 337
 338 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 339                         struct wpa_ssid *test_ssid);
 340 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 341 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 342
 343 struct wpa_external_work {
 344         unsigned int id;
 345         char type[100];
 346         unsigned int timeout;
 347 };
 348
 349 /**
 350  * offchannel_send_action_result - Result of offchannel send Action frame
 351  */
 352 enum offchannel_send_action_result {
 353         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 354         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 355                                        */,
 356         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 357                                        */
 358 };
 359
 360 struct wps_ap_info {
 361         u8 bssid[ETH_ALEN];
 362         enum wps_ap_info_type {
 363                 WPS_AP_NOT_SEL_REG,
 364                 WPS_AP_SEL_REG,
 365                 WPS_AP_SEL_REG_OUR
 366         } type;
 367         unsigned int tries;
 368         struct os_reltime last_attempt;
 369 };
 370
 371 struct wpa_ssid_value {
 372         u8 ssid[32];
 373         size_t ssid_len;
 374 };
 375
 376 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 377 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 378
 379 struct wpa_used_freq_data {
 380         int freq;
 381         unsigned int flags;
 382 };
 383
 384 #define RRM_NEIGHBOR_REPORT_TIMEOUT 1 /* 1 second for AP to send a report */
 385
 386 /*
 387  * struct rrm_data - Data used for managing RRM features
 388  */
 389 struct rrm_data {
 390         /* rrm_used - indication regarding the current connection */
 391         unsigned int rrm_used:1;
 392
 393         /*
 394          * notify_neighbor_rep - Callback for notifying report requester
 395          */
 396         void (*notify_neighbor_rep)(void *ctx, struct wpabuf *neighbor_rep);
 397
 398         /*
 399          * neighbor_rep_cb_ctx - Callback context
 400          * Received in the callback registration, and sent to the callback
 401          * function as a parameter.
 402          */
 403         void *neighbor_rep_cb_ctx;
 404
 405         /* next_neighbor_rep_token - Next request's dialog token */
 406         u8 next_neighbor_rep_token;
 407 };
 408
 409 enum wpa_supplicant_test_failure {
 410         WPAS_TEST_FAILURE_NONE,
 411         WPAS_TEST_FAILURE_SCAN_TRIGGER,
 412 };
 413
 414 /**
 415  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 416  *
 417  * This structure contains the internal data for core wpa_supplicant code. This
 418  * should be only used directly from the core code. However, a pointer to this
 419  * data is used from other files as an arbitrary context pointer in calls to
 420  * core functions.
 421  */
 422 struct wpa_supplicant {
 423         struct wpa_global *global;
 424         struct wpa_radio *radio; /* shared radio context */
 425         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 426         struct wpa_supplicant *parent;
 427         struct wpa_supplicant *next;
 428         struct l2_packet_data *l2;
 429         struct l2_packet_data *l2_br;
 430         unsigned char own_addr[ETH_ALEN];
 431         unsigned char perm_addr[ETH_ALEN];
 432         char ifname[100];
 433 #ifdef CONFIG_CTRL_IFACE_DBUS
 434         char *dbus_path;
 435 #endif /* CONFIG_CTRL_IFACE_DBUS */
 436 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 437         char *dbus_new_path;
 438         char *dbus_groupobj_path;
 439 #ifdef CONFIG_AP
 440         char *preq_notify_peer;
 441 #endif /* CONFIG_AP */
 442 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 443         char bridge_ifname[16];
 444
 445         char *confname;
 446         char *confanother;
 447
 448         struct wpa_config *conf;
 449         int countermeasures;
 450         struct os_reltime last_michael_mic_error;
 451         u8 bssid[ETH_ALEN];
 452         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 453                                      * field contains the target BSSID. */
 454         int reassociate; /* reassociation requested */
 455         int reassoc_same_bss; /* reassociating to the same bss */
 456         int disconnected; /* all connections disabled; i.e., do no reassociate
 457                            * before this has been cleared */
 458         struct wpa_ssid *current_ssid;
 459         struct wpa_ssid *last_ssid;
 460         struct wpa_bss *current_bss;
 461         int ap_ies_from_associnfo;
 462         unsigned int assoc_freq;
 463
 464         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 465         int pairwise_cipher;
 466         int group_cipher;
 467         int key_mgmt;
 468         int wpa_proto;
 469         int mgmt_group_cipher;
 470
 471         void *drv_priv; /* private data used by driver_ops */
 472         void *global_drv_priv;
 473
 474         u8 *bssid_filter;
 475         size_t bssid_filter_count;
 476
 477         u8 *disallow_aps_bssid;
 478         size_t disallow_aps_bssid_count;
 479         struct wpa_ssid_value *disallow_aps_ssid;
 480         size_t disallow_aps_ssid_count;
 481
 482         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 483
 484         /* Preferred network for the next connection attempt */
 485         struct wpa_ssid *next_ssid;
 486
 487         /* previous scan was wildcard when interleaving between
 488          * wildcard scans and specific SSID scan when max_ssids=1 */
 489         int prev_scan_wildcard;
 490         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 491                                           * NULL = not yet initialized (start
 492                                           * with wildcard SSID)
 493                                           * WILDCARD_SSID_SCAN = wildcard
 494                                           * SSID was used in the previous scan
 495                                           */
 496 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 497
 498         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 499         int sched_scan_timeout;
 500         int sched_scan_interval;
 501         int first_sched_scan;
 502         int sched_scan_timed_out;
 503
 504         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 505                                  struct wpa_scan_results *scan_res);
 506         struct dl_list bss; /* struct wpa_bss::list */
 507         struct dl_list bss_id; /* struct wpa_bss::list_id */
 508         size_t num_bss;
 509         unsigned int bss_update_idx;
 510         unsigned int bss_next_id;
 511
 512          /*
 513           * Pointers to BSS entries in the order they were in the last scan
 514           * results.
 515           */
 516         struct wpa_bss **last_scan_res;
 517         unsigned int last_scan_res_used;
 518         unsigned int last_scan_res_size;
 519         struct os_reltime last_scan;
 520
 521         struct wpa_driver_ops *driver;
 522         int interface_removed; /* whether the network interface has been
 523                                 * removed */
 524         struct wpa_sm *wpa;
 525         struct eapol_sm *eapol;
 526
 527         struct ctrl_iface_priv *ctrl_iface;
 528
 529         enum wpa_states wpa_state;
 530         struct wpa_radio_work *scan_work;
 531         int scanning;
 532         int sched_scanning;
 533         int new_connection;
 534
 535         int eapol_received; /* number of EAPOL packets received after the
 536                              * previous association event */
 537
 538         struct scard_data *scard;
 539         char imsi[20];
 540         int mnc_len;
 541
 542         unsigned char last_eapol_src[ETH_ALEN];
 543
 544         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 545                                     * known not to be configured with a key */
 546
 547         struct wpa_blacklist *blacklist;
 548
 549         /**
 550          * extra_blacklist_count - Sum of blacklist counts after last connection
 551          *
 552          * This variable is used to maintain a count of temporary blacklisting
 553          * failures (maximum number for any BSS) over blacklist clear
 554          * operations. This is needed for figuring out whether there has been
 555          * failures prior to the last blacklist clear operation which happens
 556          * whenever no other not-blacklisted BSS candidates are available. This
 557          * gets cleared whenever a connection has been established successfully.
 558          */
 559         int extra_blacklist_count;
 560
 561         /**
 562          * scan_req - Type of the scan request
 563          */
 564         enum scan_req_type {
 565                 /**
 566                  * NORMAL_SCAN_REQ - Normal scan request
 567                  *
 568                  * This is used for scans initiated by wpa_supplicant to find an
 569                  * AP for a connection.
 570                  */
 571                 NORMAL_SCAN_REQ,
 572
 573                 /**
 574                  * INITIAL_SCAN_REQ - Initial scan request
 575                  *
 576                  * This is used for the first scan on an interface to force at
 577                  * least one scan to be run even if the configuration does not
 578                  * include any enabled networks.
 579                  */
 580                 INITIAL_SCAN_REQ,
 581
 582                 /**
 583                  * MANUAL_SCAN_REQ - Manual scan request
 584                  *
 585                  * This is used for scans where the user request a scan or
 586                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 587                  * to be run.
 588                  */
 589                 MANUAL_SCAN_REQ
 590         } scan_req, last_scan_req;
 591         enum wpa_states scan_prev_wpa_state;
 592         struct os_reltime scan_trigger_time, scan_start_time;
 593         int scan_runs; /* number of scan runs since WPS was started */
 594         int *next_scan_freqs;
 595         int *manual_scan_freqs;
 596         int *manual_sched_scan_freqs;
 597         unsigned int manual_scan_passive:1;
 598         unsigned int manual_scan_use_id:1;
 599         unsigned int manual_scan_only_new:1;
 600         unsigned int own_scan_requested:1;
 601         unsigned int own_scan_running:1;
 602         unsigned int clear_driver_scan_cache:1;
 603         unsigned int manual_scan_id;
 604         int scan_interval; /* time in sec between scans to find suitable AP */
 605         int normal_scans; /* normal scans run before sched_scan */
 606         int scan_for_connection; /* whether the scan request was triggered for
 607                                   * finding a connection */
 608 #define MAX_SCAN_ID 16
 609         int scan_id[MAX_SCAN_ID];
 610         unsigned int scan_id_count;
 611
 612         u64 drv_flags;
 613         unsigned int drv_enc;
 614         unsigned int drv_smps_modes;
 615         unsigned int drv_rrm_flags;
 616
 617         /*
 618          * A bitmap of supported protocols for probe response offload. See
 619          * struct wpa_driver_capa in driver.h
 620          */
 621         unsigned int probe_resp_offloads;
 622
 623         /* extended capabilities supported by the driver */
 624         const u8 *extended_capa, *extended_capa_mask;
 625         unsigned int extended_capa_len;
 626
 627         int max_scan_ssids;
 628         int max_sched_scan_ssids;
 629         int sched_scan_supported;
 630         unsigned int max_match_sets;
 631         unsigned int max_remain_on_chan;
 632         unsigned int max_stations;
 633
 634         int pending_mic_error_report;
 635         int pending_mic_error_pairwise;
 636         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 637
 638         struct wps_context *wps;
 639         int wps_success; /* WPS success event received */
 640         struct wps_er *wps_er;
 641         unsigned int wps_run;
 642         int blacklist_cleared;
 643
 644         struct wpabuf *pending_eapol_rx;
 645         struct os_reltime pending_eapol_rx_time;
 646         u8 pending_eapol_rx_src[ETH_ALEN];
 647         unsigned int last_eapol_matches_bssid:1;
 648         unsigned int eap_expected_failure:1;
 649         unsigned int reattach:1; /* reassociation to the same BSS requested */
 650         unsigned int mac_addr_changed:1;
 651
 652         struct os_reltime last_mac_addr_change;
 653         int last_mac_addr_style;
 654
 655         struct ibss_rsn *ibss_rsn;
 656
 657         int set_sta_uapsd;
 658         int sta_uapsd;
 659         int set_ap_uapsd;
 660         int ap_uapsd;
 661
 662 #ifdef CONFIG_SME
 663         struct {
 664                 u8 ssid[32];
 665                 size_t ssid_len;
 666                 int freq;
 667                 u8 assoc_req_ie[200];
 668                 size_t assoc_req_ie_len;
 669                 int mfp;
 670                 int ft_used;
 671                 u8 mobility_domain[2];
 672                 u8 *ft_ies;
 673                 size_t ft_ies_len;
 674                 u8 prev_bssid[ETH_ALEN];
 675                 int prev_bssid_set;
 676                 int auth_alg;
 677                 int proto;
 678
 679                 int sa_query_count; /* number of pending SA Query requests;
 680                                      * 0 = no SA Query in progress */
 681                 int sa_query_timed_out;
 682                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 683                                         * sa_query_count octets of pending
 684                                         * SA Query transaction identifiers */
 685                 struct os_reltime sa_query_start;
 686                 struct os_reltime last_unprot_disconnect;
 687                 enum { HT_SEC_CHAN_UNKNOWN,
 688                        HT_SEC_CHAN_ABOVE,
 689                        HT_SEC_CHAN_BELOW } ht_sec_chan;
 690                 u8 sched_obss_scan;
 691                 u16 obss_scan_int;
 692                 u16 bss_max_idle_period;
 693 #ifdef CONFIG_SAE
 694                 struct sae_data sae;
 695                 struct wpabuf *sae_token;
 696                 int sae_group_index;
 697                 unsigned int sae_pmksa_caching:1;
 698 #endif /* CONFIG_SAE */
 699         } sme;
 700 #endif /* CONFIG_SME */
 701
 702 #ifdef CONFIG_AP
 703         struct hostapd_iface *ap_iface;
 704         void (*ap_configured_cb)(void *ctx, void *data);
 705         void *ap_configured_cb_ctx;
 706         void *ap_configured_cb_data;
 707 #endif /* CONFIG_AP */
 708
 709         struct hostapd_iface *ifmsh;
 710 #ifdef CONFIG_MESH
 711         struct mesh_rsn *mesh_rsn;
 712         int mesh_if_idx;
 713         unsigned int mesh_if_created:1;
 714         unsigned int mesh_ht_enabled:1;
 715         int mesh_auth_block_duration; /* sec */
 716 #endif /* CONFIG_MESH */
 717
 718         unsigned int off_channel_freq;
 719         struct wpabuf *pending_action_tx;
 720         u8 pending_action_src[ETH_ALEN];
 721         u8 pending_action_dst[ETH_ALEN];
 722         u8 pending_action_bssid[ETH_ALEN];
 723         unsigned int pending_action_freq;
 724         int pending_action_no_cck;
 725         int pending_action_without_roc;
 726         unsigned int pending_action_tx_done:1;
 727         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 728                                             unsigned int freq, const u8 *dst,
 729                                             const u8 *src, const u8 *bssid,
 730                                             const u8 *data, size_t data_len,
 731                                             enum offchannel_send_action_result
 732                                             result);
 733         unsigned int roc_waiting_drv_freq;
 734         int action_tx_wait_time;
 735
 736         int p2p_mgmt;
 737
 738 #ifdef CONFIG_P2P
 739         struct wpa_supplicant *p2p_dev;
 740         struct p2p_go_neg_results *go_params;
 741         int create_p2p_iface;
 742         u8 pending_interface_addr[ETH_ALEN];
 743         char pending_interface_name[100];
 744         int pending_interface_type;
 745         int p2p_group_idx;
 746         unsigned int pending_listen_freq;
 747         unsigned int pending_listen_duration;
 748         enum {
 749                 NOT_P2P_GROUP_INTERFACE,
 750                 P2P_GROUP_INTERFACE_PENDING,
 751                 P2P_GROUP_INTERFACE_GO,
 752                 P2P_GROUP_INTERFACE_CLIENT
 753         } p2p_group_interface;
 754         struct p2p_group *p2p_group;
 755         int p2p_long_listen; /* remaining time in long Listen state in ms */
 756         char p2p_pin[10];
 757         int p2p_wps_method;
 758         u8 p2p_auth_invite[ETH_ALEN];
 759         int p2p_sd_over_ctrl_iface;
 760         int p2p_in_provisioning;
 761         int p2p_in_invitation;
 762         int p2p_invite_go_freq;
 763         int pending_invite_ssid_id;
 764         int show_group_started;
 765         u8 go_dev_addr[ETH_ALEN];
 766         int pending_pd_before_join;
 767         u8 pending_join_iface_addr[ETH_ALEN];
 768         u8 pending_join_dev_addr[ETH_ALEN];
 769         int pending_join_wps_method;
 770         u8 p2p_join_ssid[32];
 771         size_t p2p_join_ssid_len;
 772         int p2p_join_scan_count;
 773         int auto_pd_scan_retry;
 774         int force_long_sd;
 775         u16 pending_pd_config_methods;
 776         enum {
 777                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN, AUTO_PD_ASP
 778         } pending_pd_use;
 779
 780         /*
 781          * Whether cross connection is disallowed by the AP to which this
 782          * interface is associated (only valid if there is an association).
 783          */
 784         int cross_connect_disallowed;
 785
 786         /*
 787          * Whether this P2P group is configured to use cross connection (only
 788          * valid if this is P2P GO interface). The actual cross connect packet
 789          * forwarding may not be configured depending on the uplink status.
 790          */
 791         int cross_connect_enabled;
 792
 793         /* Whether cross connection forwarding is in use at the moment. */
 794         int cross_connect_in_use;
 795
 796         /*
 797          * Uplink interface name for cross connection
 798          */
 799         char cross_connect_uplink[100];
 800
 801         unsigned int p2p_auto_join:1;
 802         unsigned int p2p_auto_pd:1;
 803         unsigned int p2p_persistent_group:1;
 804         unsigned int p2p_fallback_to_go_neg:1;
 805         unsigned int p2p_pd_before_go_neg:1;
 806         unsigned int p2p_go_ht40:1;
 807         unsigned int p2p_go_vht:1;
 808         unsigned int user_initiated_pd:1;
 809         unsigned int p2p_go_group_formation_completed:1;
 810         unsigned int group_formation_reported:1;
 811         unsigned int waiting_presence_resp;
 812         int p2p_first_connection_timeout;
 813         unsigned int p2p_nfc_tag_enabled:1;
 814         unsigned int p2p_peer_oob_pk_hash_known:1;
 815         unsigned int p2p_disable_ip_addr_req:1;
 816         unsigned int p2ps_join_addr_valid:1;
 817         int p2p_persistent_go_freq;
 818         int p2p_persistent_id;
 819         int p2p_go_intent;
 820         int p2p_connect_freq;
 821         struct os_reltime p2p_auto_started;
 822         struct wpa_ssid *p2p_last_4way_hs_fail;
 823         struct wpa_radio_work *p2p_scan_work;
 824         struct wpa_radio_work *p2p_listen_work;
 825         struct wpa_radio_work *p2p_send_action_work;
 826
 827         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 828         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 829                                         * formation */
 830         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 831         u8 p2p_ip_addr_info[3 * 4];
 832
 833         /* group common frequencies */
 834         int *p2p_group_common_freqs;
 835         unsigned int p2p_group_common_freqs_num;
 836         u8 p2ps_join_addr[ETH_ALEN];
 837 #endif /* CONFIG_P2P */
 838
 839         struct wpa_ssid *bgscan_ssid;
 840         const struct bgscan_ops *bgscan;
 841         void *bgscan_priv;
 842
 843         const struct autoscan_ops *autoscan;
 844         struct wpa_driver_scan_params *autoscan_params;
 845         void *autoscan_priv;
 846
 847         struct wpa_ssid *connect_without_scan;
 848
 849         struct wps_ap_info *wps_ap;
 850         size_t num_wps_ap;
 851         int wps_ap_iter;
 852
 853         int after_wps;
 854         int known_wps_freq;
 855         unsigned int wps_freq;
 856         int wps_fragment_size;
 857         int auto_reconnect_disabled;
 858
 859          /* Channel preferences for AP/P2P GO use */
 860         int best_24_freq;
 861         int best_5_freq;
 862         int best_overall_freq;
 863
 864         struct gas_query *gas;
 865
 866 #ifdef CONFIG_INTERWORKING
 867         unsigned int fetch_anqp_in_progress:1;
 868         unsigned int network_select:1;
 869         unsigned int auto_select:1;
 870         unsigned int auto_network_select:1;
 871         unsigned int interworking_fast_assoc_tried:1;
 872         unsigned int fetch_all_anqp:1;
 873         unsigned int fetch_osu_info:1;
 874         unsigned int fetch_osu_waiting_scan:1;
 875         unsigned int fetch_osu_icon_in_progress:1;
 876         struct wpa_bss *interworking_gas_bss;
 877         unsigned int osu_icon_id;
 878         struct osu_provider *osu_prov;
 879         size_t osu_prov_count;
 880         struct os_reltime osu_icon_fetch_start;
 881         unsigned int num_osu_scans;
 882         unsigned int num_prov_found;
 883 #endif /* CONFIG_INTERWORKING */
 884         unsigned int drv_capa_known;
 885
 886         struct {
 887                 struct hostapd_hw_modes *modes;
 888                 u16 num_modes;
 889                 u16 flags;
 890         } hw;
 891         enum local_hw_capab {
 892                 CAPAB_NO_HT_VHT,
 893                 CAPAB_HT,
 894                 CAPAB_HT40,
 895                 CAPAB_VHT,
 896         } hw_capab;
 897 #ifdef CONFIG_MACSEC
 898         struct ieee802_1x_kay *kay;
 899 #endif /* CONFIG_MACSEC */
 900
 901         int pno;
 902         int pno_sched_pending;
 903
 904         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 905         int disconnect_reason;
 906
 907         struct ext_password_data *ext_pw;
 908
 909         struct wpabuf *last_gas_resp, *prev_gas_resp;
 910         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 911         u8 last_gas_dialog_token, prev_gas_dialog_token;
 912
 913         unsigned int no_keep_alive:1;
 914         unsigned int ext_mgmt_frame_handling:1;
 915         unsigned int ext_eapol_frame_io:1;
 916         unsigned int wmm_ac_supported:1;
 917         unsigned int ext_work_in_progress:1;
 918         unsigned int own_disconnect_req:1;
 919
 920 #define MAC_ADDR_RAND_SCAN       BIT(0)
 921 #define MAC_ADDR_RAND_SCHED_SCAN BIT(1)
 922 #define MAC_ADDR_RAND_PNO        BIT(2)
 923 #define MAC_ADDR_RAND_ALL        (MAC_ADDR_RAND_SCAN | \
 924                                   MAC_ADDR_RAND_SCHED_SCAN | \
 925                                   MAC_ADDR_RAND_PNO)
 926         unsigned int mac_addr_rand_supported;
 927         unsigned int mac_addr_rand_enable;
 928
 929         /* MAC Address followed by mask (2 * ETH_ALEN) */
 930         u8 *mac_addr_scan;
 931         u8 *mac_addr_sched_scan;
 932         u8 *mac_addr_pno;
 933
 934 #ifdef CONFIG_WNM
 935         u8 wnm_dialog_token;
 936         u8 wnm_reply;
 937         u8 wnm_num_neighbor_report;
 938         u8 wnm_mode;
 939         u16 wnm_dissoc_timer;
 940         u8 wnm_bss_termination_duration[12];
 941         struct neighbor_report *wnm_neighbor_report_elements;
 942         struct os_reltime wnm_cand_valid_until;
 943         u8 wnm_cand_from_bss[ETH_ALEN];
 944 #endif /* CONFIG_WNM */
 945
 946 #ifdef CONFIG_TESTING_GET_GTK
 947         u8 last_gtk[32];
 948         size_t last_gtk_len;
 949 #endif /* CONFIG_TESTING_GET_GTK */
 950
 951         unsigned int num_multichan_concurrent;
 952         struct wpa_radio_work *connect_work;
 953
 954         unsigned int ext_work_id;
 955
 956         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
 957
 958 #ifdef CONFIG_TESTING_OPTIONS
 959         struct l2_packet_data *l2_test;
 960         unsigned int extra_roc_dur;
 961         enum wpa_supplicant_test_failure test_failure;
 962 #endif /* CONFIG_TESTING_OPTIONS */
 963
 964         struct wmm_ac_assoc_data *wmm_ac_assoc_info;
 965         struct wmm_tspec_element *tspecs[WMM_AC_NUM][TS_DIR_IDX_COUNT];
 966         struct wmm_ac_addts_request *addts_request;
 967         u8 wmm_ac_last_dialog_token;
 968         struct wmm_tspec_element *last_tspecs;
 969         u8 last_tspecs_count;
 970
 971         struct rrm_data rrm;
 972 };
 973
 974
 975 /* wpa_supplicant.c */
 976 void wpa_supplicant_apply_ht_overrides(
 977         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 978         struct wpa_driver_associate_params *params);
 979 void wpa_supplicant_apply_vht_overrides(
 980         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 981         struct wpa_driver_associate_params *params);
 982
 983 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 984 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 985                                     struct wpa_ssid *ssid);
 986
 987 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 988
 989 const char * wpa_supplicant_state_txt(enum wpa_states state);
 990 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 991 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 992 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 993                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 994                               u8 *wpa_ie, size_t *wpa_ie_len);
 995 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 996                               struct wpa_bss *bss,
 997                               struct wpa_ssid *ssid);
 998 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 999                                        struct wpa_ssid *ssid);
1000 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
1001 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
1002 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
1003                                      int sec, int usec);
1004 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
1005 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
1006                               enum wpa_states state);
1007 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
1008 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
1009 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
1010 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
1011                                    int reason_code);
1012
1013 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
1014                                    struct wpa_ssid *ssid);
1015 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
1016                                     struct wpa_ssid *ssid);
1017 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
1018                                    struct wpa_ssid *ssid);
1019 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
1020                                            const char *pkcs11_engine_path,
1021                                            const char *pkcs11_module_path);
1022 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
1023                                int ap_scan);
1024 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
1025                                           unsigned int expire_age);
1026 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
1027                                             unsigned int expire_count);
1028 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
1029                                      int scan_interval);
1030 int wpa_supplicant_set_debug_params(struct wpa_global *global,
1031                                     int debug_level, int debug_timestamp,
1032                                     int debug_show_keys);
1033 void free_hw_features(struct wpa_supplicant *wpa_s);
1034
1035 void wpa_show_license(void);
1036
1037 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
1038                                                  struct wpa_interface *iface,
1039                                                  struct wpa_supplicant *parent);
1040 int wpa_supplicant_remove_iface(struct wpa_global *global,
1041                                 struct wpa_supplicant *wpa_s,
1042                                 int terminate);
1043 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
1044                                                  const char *ifname);
1045 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
1046 int wpa_supplicant_run(struct wpa_global *global);
1047 void wpa_supplicant_deinit(struct wpa_global *global);
1048
1049 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
1050                               struct wpa_ssid *ssid);
1051 void wpa_supplicant_terminate_proc(struct wpa_global *global);
1052 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
1053                              const u8 *buf, size_t len);
1054 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
1055 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
1056 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
1057 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
1058 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
1059 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
1060 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
1061                               struct wpa_ssid *ssid, int clear_failures);
1062 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
1063 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
1064                     size_t ssid_len);
1065 void wpas_request_connection(struct wpa_supplicant *wpa_s);
1066 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
1067 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
1068 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
1069 void add_freq(int *freqs, int *num_freqs, int freq);
1070
1071 void wpas_rrm_reset(struct wpa_supplicant *wpa_s);
1072 void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
1073                                    const u8 *report, size_t report_len);
1074 int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
1075                                        const struct wpa_ssid *ssid,
1076                                        void (*cb)(void *ctx,
1077                                                   struct wpabuf *neighbor_rep),
1078                                        void *cb_ctx);
1079 void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
1080                                               const u8 *src,
1081                                               const u8 *frame, size_t len,
1082                                               int rssi);
1083
1084 /**
1085  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
1086  * @wpa_s: Pointer to wpa_supplicant data
1087  * @ssid: Pointer to the network block the reply is for
1088  * @field: field the response is a reply for
1089  * @value: value (ie, password, etc) for @field
1090  * Returns: 0 on success, non-zero on error
1091  *
1092  * Helper function to handle replies to control interface requests.
1093  */
1094 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
1095                                               struct wpa_ssid *ssid,
1096                                               const char *field,
1097                                               const char *value);
1098
1099 void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
1100                           const struct wpa_ssid *ssid,
1101                           struct hostapd_freq_params *freq);
1102
1103 /* events.c */
1104 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
1105 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1106                            struct wpa_bss *selected,
1107                            struct wpa_ssid *ssid);
1108 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
1109 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
1110 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
1111 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
1112 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1113                                              struct wpa_ssid **selected_ssid);
1114
1115 /* eap_register.c */
1116 int eap_register_methods(void);
1117
1118 /**
1119  * Utility method to tell if a given network is a persistent group
1120  * @ssid: Network object
1121  * Returns: 1 if network is a persistent group, 0 otherwise
1122  */
1123 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1124 {
1125         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1126 }
1127
1128 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1129 int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1130
1131 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1132
1133 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1134                     struct wpa_used_freq_data *freqs_data,
1135                     unsigned int len);
1136
1137 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1138                                 struct wpa_used_freq_data *freqs_data,
1139                                 unsigned int len);
1140 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1141                            int *freq_array, unsigned int len);
1142
1143 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx);
1144 #endif /* WPA_SUPPLICANT_I_H */