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 "config_ssid.h"
  16
  17 extern const char *wpa_supplicant_version;
  18 extern const char *wpa_supplicant_license;
  19 #ifndef CONFIG_NO_STDOUT_DEBUG
  20 extern const char *wpa_supplicant_full_license1;
  21 extern const char *wpa_supplicant_full_license2;
  22 extern const char *wpa_supplicant_full_license3;
  23 extern const char *wpa_supplicant_full_license4;
  24 extern const char *wpa_supplicant_full_license5;
  25 #endif /* CONFIG_NO_STDOUT_DEBUG */
  26
  27 struct wpa_sm;
  28 struct wpa_supplicant;
  29 struct ibss_rsn;
  30 struct scan_info;
  31 struct wpa_bss;
  32 struct wpa_scan_results;
  33 struct hostapd_hw_modes;
  34 struct wpa_driver_associate_params;
  35
  36 /*
  37  * Forward declarations of private structures used within the ctrl_iface
  38  * backends. Other parts of wpa_supplicant do not have access to data stored in
  39  * these structures.
  40  */
  41 struct ctrl_iface_priv;
  42 struct ctrl_iface_global_priv;
  43 struct wpas_dbus_priv;
  44
  45 /**
  46  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  47  */
  48 struct wpa_interface {
  49         /**
  50          * confname - Configuration name (file or profile) name
  51          *
  52          * This can also be %NULL when a configuration file is not used. In
  53          * that case, ctrl_interface must be set to allow the interface to be
  54          * configured.
  55          */
  56         const char *confname;
  57
  58         /**
  59          * confanother - Additional configuration name (file or profile) name
  60          *
  61          * This can also be %NULL when the additional configuration file is not
  62          * used.
  63          */
  64         const char *confanother;
  65
  66         /**
  67          * ctrl_interface - Control interface parameter
  68          *
  69          * If a configuration file is not used, this variable can be used to
  70          * set the ctrl_interface parameter that would have otherwise been read
  71          * from the configuration file. If both confname and ctrl_interface are
  72          * set, ctrl_interface is used to override the value from configuration
  73          * file.
  74          */
  75         const char *ctrl_interface;
  76
  77         /**
  78          * driver - Driver interface name, or %NULL to use the default driver
  79          */
  80         const char *driver;
  81
  82         /**
  83          * driver_param - Driver interface parameters
  84          *
  85          * If a configuration file is not used, this variable can be used to
  86          * set the driver_param parameters that would have otherwise been read
  87          * from the configuration file. If both confname and driver_param are
  88          * set, driver_param is used to override the value from configuration
  89          * file.
  90          */
  91         const char *driver_param;
  92
  93         /**
  94          * ifname - Interface name
  95          */
  96         const char *ifname;
  97
  98         /**
  99          * bridge_ifname - Optional bridge interface name
 100          *
 101          * If the driver interface (ifname) is included in a Linux bridge
 102          * device, the bridge interface may need to be used for receiving EAPOL
 103          * frames. This can be enabled by setting this variable to enable
 104          * receiving of EAPOL frames from an additional interface.
 105          */
 106         const char *bridge_ifname;
 107
 108         /**
 109          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 110          *
 111          * Indicates whether wpas_p2p_init() must be called for this interface.
 112          * This is used only when the driver supports a dedicated P2P Device
 113          * interface that is not a network interface.
 114          */
 115         int p2p_mgmt;
 116 };
 117
 118 /**
 119  * struct wpa_params - Parameters for wpa_supplicant_init()
 120  */
 121 struct wpa_params {
 122         /**
 123          * daemonize - Run %wpa_supplicant in the background
 124          */
 125         int daemonize;
 126
 127         /**
 128          * wait_for_monitor - Wait for a monitor program before starting
 129          */
 130         int wait_for_monitor;
 131
 132         /**
 133          * pid_file - Path to a PID (process ID) file
 134          *
 135          * If this and daemonize are set, process ID of the background process
 136          * will be written to the specified file.
 137          */
 138         char *pid_file;
 139
 140         /**
 141          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 142          */
 143         int wpa_debug_level;
 144
 145         /**
 146          * wpa_debug_show_keys - Whether keying material is included in debug
 147          *
 148          * This parameter can be used to allow keying material to be included
 149          * in debug messages. This is a security risk and this option should
 150          * not be enabled in normal configuration. If needed during
 151          * development or while troubleshooting, this option can provide more
 152          * details for figuring out what is happening.
 153          */
 154         int wpa_debug_show_keys;
 155
 156         /**
 157          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 158          */
 159         int wpa_debug_timestamp;
 160
 161         /**
 162          * ctrl_interface - Global ctrl_iface path/parameter
 163          */
 164         char *ctrl_interface;
 165
 166         /**
 167          * ctrl_interface_group - Global ctrl_iface group
 168          */
 169         char *ctrl_interface_group;
 170
 171         /**
 172          * dbus_ctrl_interface - Enable the DBus control interface
 173          */
 174         int dbus_ctrl_interface;
 175
 176         /**
 177          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 178          */
 179         const char *wpa_debug_file_path;
 180
 181         /**
 182          * wpa_debug_syslog - Enable log output through syslog
 183          */
 184         int wpa_debug_syslog;
 185
 186         /**
 187          * wpa_debug_tracing - Enable log output through Linux tracing
 188          */
 189         int wpa_debug_tracing;
 190
 191         /**
 192          * override_driver - Optional driver parameter override
 193          *
 194          * This parameter can be used to override the driver parameter in
 195          * dynamic interface addition to force a specific driver wrapper to be
 196          * used instead.
 197          */
 198         char *override_driver;
 199
 200         /**
 201          * override_ctrl_interface - Optional ctrl_interface override
 202          *
 203          * This parameter can be used to override the ctrl_interface parameter
 204          * in dynamic interface addition to force a control interface to be
 205          * created.
 206          */
 207         char *override_ctrl_interface;
 208
 209         /**
 210          * entropy_file - Optional entropy file
 211          *
 212          * This parameter can be used to configure wpa_supplicant to maintain
 213          * its internal entropy store over restarts.
 214          */
 215         char *entropy_file;
 216 };
 217
 218 struct p2p_srv_bonjour {
 219         struct dl_list list;
 220         struct wpabuf *query;
 221         struct wpabuf *resp;
 222 };
 223
 224 struct p2p_srv_upnp {
 225         struct dl_list list;
 226         u8 version;
 227         char *service;
 228 };
 229
 230 /**
 231  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 232  *
 233  * This structure is initialized by calling wpa_supplicant_init() when starting
 234  * %wpa_supplicant.
 235  */
 236 struct wpa_global {
 237         struct wpa_supplicant *ifaces;
 238         struct wpa_params params;
 239         struct ctrl_iface_global_priv *ctrl_iface;
 240         struct wpas_dbus_priv *dbus;
 241         void **drv_priv;
 242         size_t drv_count;
 243         struct os_time suspend_time;
 244         struct p2p_data *p2p;
 245         struct wpa_supplicant *p2p_init_wpa_s;
 246         struct wpa_supplicant *p2p_group_formation;
 247         struct wpa_supplicant *p2p_invite_group;
 248         u8 p2p_dev_addr[ETH_ALEN];
 249         struct os_reltime p2p_go_wait_client;
 250         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 251         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 252         int p2p_disabled;
 253         int cross_connection;
 254         struct wpa_freq_range_list p2p_disallow_freq;
 255         enum wpa_conc_pref {
 256                 WPA_CONC_PREF_NOT_SET,
 257                 WPA_CONC_PREF_STA,
 258                 WPA_CONC_PREF_P2P
 259         } conc_pref;
 260         unsigned int p2p_per_sta_psk:1;
 261
 262 #ifdef CONFIG_WIFI_DISPLAY
 263         int wifi_display;
 264 #define MAX_WFD_SUBELEMS 10
 265         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 266 #endif /* CONFIG_WIFI_DISPLAY */
 267
 268         struct psk_list_entry *add_psk; /* From group formation */
 269 };
 270
 271
 272 /**
 273  * struct wpa_radio - Internal data for per-radio information
 274  *
 275  * This structure is used to share data about configured interfaces
 276  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 277  * better coordination of offchannel operations.
 278  */
 279 struct wpa_radio {
 280         char name[16]; /* from driver_ops get_radio_name() or empty if not
 281                         * available */
 282         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 283         struct dl_list work; /* struct wpa_radio_work::list entries */
 284 };
 285
 286 /**
 287  * struct wpa_radio_work - Radio work item
 288  */
 289 struct wpa_radio_work {
 290         struct dl_list list;
 291         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 292         const char *type;
 293         struct wpa_supplicant *wpa_s;
 294         void (*cb)(struct wpa_radio_work *work, int deinit);
 295         void *ctx;
 296         unsigned int started:1;
 297         struct os_reltime time;
 298 };
 299
 300 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 301                    const char *type, int next,
 302                    void (*cb)(struct wpa_radio_work *work, int deinit),
 303                    void *ctx);
 304 void radio_work_done(struct wpa_radio_work *work);
 305 void radio_remove_unstarted_work(struct wpa_supplicant *wpa_s,
 306                                  const char *type);
 307
 308 struct wpa_connect_work {
 309         unsigned int sme:1;
 310         struct wpa_bss *bss;
 311         struct wpa_ssid *ssid;
 312 };
 313
 314 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 315                         struct wpa_ssid *test_ssid);
 316 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 317 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 318
 319 /**
 320  * offchannel_send_action_result - Result of offchannel send Action frame
 321  */
 322 enum offchannel_send_action_result {
 323         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 324         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 325                                        */,
 326         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 327                                        */
 328 };
 329
 330 struct wps_ap_info {
 331         u8 bssid[ETH_ALEN];
 332         enum wps_ap_info_type {
 333                 WPS_AP_NOT_SEL_REG,
 334                 WPS_AP_SEL_REG,
 335                 WPS_AP_SEL_REG_OUR
 336         } type;
 337         unsigned int tries;
 338         struct os_reltime last_attempt;
 339 };
 340
 341 struct wpa_ssid_value {
 342         u8 ssid[32];
 343         size_t ssid_len;
 344 };
 345
 346 /**
 347  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 348  *
 349  * This structure contains the internal data for core wpa_supplicant code. This
 350  * should be only used directly from the core code. However, a pointer to this
 351  * data is used from other files as an arbitrary context pointer in calls to
 352  * core functions.
 353  */
 354 struct wpa_supplicant {
 355         struct wpa_global *global;
 356         struct wpa_radio *radio; /* shared radio context */
 357         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 358         struct wpa_supplicant *parent;
 359         struct wpa_supplicant *next;
 360         struct l2_packet_data *l2;
 361         struct l2_packet_data *l2_br;
 362         unsigned char own_addr[ETH_ALEN];
 363         char ifname[100];
 364 #ifdef CONFIG_CTRL_IFACE_DBUS
 365         char *dbus_path;
 366 #endif /* CONFIG_CTRL_IFACE_DBUS */
 367 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 368         char *dbus_new_path;
 369         char *dbus_groupobj_path;
 370 #ifdef CONFIG_AP
 371         char *preq_notify_peer;
 372 #endif /* CONFIG_AP */
 373 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 374         char bridge_ifname[16];
 375
 376         char *confname;
 377         char *confanother;
 378         struct wpa_config *conf;
 379         int countermeasures;
 380         struct os_reltime last_michael_mic_error;
 381         u8 bssid[ETH_ALEN];
 382         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 383                                      * field contains the target BSSID. */
 384         int reassociate; /* reassociation requested */
 385         int disconnected; /* all connections disabled; i.e., do no reassociate
 386                            * before this has been cleared */
 387         struct wpa_ssid *current_ssid;
 388         struct wpa_bss *current_bss;
 389         int ap_ies_from_associnfo;
 390         unsigned int assoc_freq;
 391
 392         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 393         int pairwise_cipher;
 394         int group_cipher;
 395         int key_mgmt;
 396         int wpa_proto;
 397         int mgmt_group_cipher;
 398
 399         void *drv_priv; /* private data used by driver_ops */
 400         void *global_drv_priv;
 401
 402         u8 *bssid_filter;
 403         size_t bssid_filter_count;
 404
 405         u8 *disallow_aps_bssid;
 406         size_t disallow_aps_bssid_count;
 407         struct wpa_ssid_value *disallow_aps_ssid;
 408         size_t disallow_aps_ssid_count;
 409
 410         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 411
 412         /* previous scan was wildcard when interleaving between
 413          * wildcard scans and specific SSID scan when max_ssids=1 */
 414         int prev_scan_wildcard;
 415         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 416                                           * NULL = not yet initialized (start
 417                                           * with wildcard SSID)
 418                                           * WILDCARD_SSID_SCAN = wildcard
 419                                           * SSID was used in the previous scan
 420                                           */
 421 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 422
 423         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 424         int sched_scan_timeout;
 425         int sched_scan_interval;
 426         int first_sched_scan;
 427         int sched_scan_timed_out;
 428
 429         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 430                                  struct wpa_scan_results *scan_res);
 431         struct dl_list bss; /* struct wpa_bss::list */
 432         struct dl_list bss_id; /* struct wpa_bss::list_id */
 433         size_t num_bss;
 434         unsigned int bss_update_idx;
 435         unsigned int bss_next_id;
 436
 437          /*
 438           * Pointers to BSS entries in the order they were in the last scan
 439           * results.
 440           */
 441         struct wpa_bss **last_scan_res;
 442         unsigned int last_scan_res_used;
 443         unsigned int last_scan_res_size;
 444         struct os_reltime last_scan;
 445
 446         struct wpa_driver_ops *driver;
 447         int interface_removed; /* whether the network interface has been
 448                                 * removed */
 449         struct wpa_sm *wpa;
 450         struct eapol_sm *eapol;
 451
 452         struct ctrl_iface_priv *ctrl_iface;
 453
 454         enum wpa_states wpa_state;
 455         struct wpa_radio_work *scan_work;
 456         int scanning;
 457         int sched_scanning;
 458         int new_connection;
 459
 460         int eapol_received; /* number of EAPOL packets received after the
 461                              * previous association event */
 462
 463         struct scard_data *scard;
 464         char imsi[20];
 465         int mnc_len;
 466
 467         unsigned char last_eapol_src[ETH_ALEN];
 468
 469         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 470                                     * known not to be configured with a key */
 471
 472         struct wpa_blacklist *blacklist;
 473
 474         /**
 475          * extra_blacklist_count - Sum of blacklist counts after last connection
 476          *
 477          * This variable is used to maintain a count of temporary blacklisting
 478          * failures (maximum number for any BSS) over blacklist clear
 479          * operations. This is needed for figuring out whether there has been
 480          * failures prior to the last blacklist clear operation which happens
 481          * whenever no other not-blacklisted BSS candidates are available. This
 482          * gets cleared whenever a connection has been established successfully.
 483          */
 484         int extra_blacklist_count;
 485
 486         /**
 487          * scan_req - Type of the scan request
 488          */
 489         enum scan_req_type {
 490                 /**
 491                  * NORMAL_SCAN_REQ - Normal scan request
 492                  *
 493                  * This is used for scans initiated by wpa_supplicant to find an
 494                  * AP for a connection.
 495                  */
 496                 NORMAL_SCAN_REQ,
 497
 498                 /**
 499                  * INITIAL_SCAN_REQ - Initial scan request
 500                  *
 501                  * This is used for the first scan on an interface to force at
 502                  * least one scan to be run even if the configuration does not
 503                  * include any enabled networks.
 504                  */
 505                 INITIAL_SCAN_REQ,
 506
 507                 /**
 508                  * MANUAL_SCAN_REQ - Manual scan request
 509                  *
 510                  * This is used for scans where the user request a scan or
 511                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 512                  * to be run.
 513                  */
 514                 MANUAL_SCAN_REQ
 515         } scan_req, last_scan_req;
 516         struct os_reltime scan_trigger_time, scan_start_time;
 517         int scan_runs; /* number of scan runs since WPS was started */
 518         int *next_scan_freqs;
 519         int *manual_scan_freqs;
 520         unsigned int manual_scan_passive:1;
 521         unsigned int manual_scan_use_id:1;
 522         unsigned int manual_scan_only_new:1;
 523         unsigned int own_scan_requested:1;
 524         unsigned int own_scan_running:1;
 525         unsigned int external_scan_running:1;
 526         unsigned int clear_driver_scan_cache:1;
 527         unsigned int manual_scan_id;
 528         int scan_interval; /* time in sec between scans to find suitable AP */
 529         int normal_scans; /* normal scans run before sched_scan */
 530         int scan_for_connection; /* whether the scan request was triggered for
 531                                   * finding a connection */
 532
 533         unsigned int drv_flags;
 534         unsigned int drv_enc;
 535
 536         /*
 537          * A bitmap of supported protocols for probe response offload. See
 538          * struct wpa_driver_capa in driver.h
 539          */
 540         unsigned int probe_resp_offloads;
 541
 542         /* extended capabilities supported by the driver */
 543         const u8 *extended_capa, *extended_capa_mask;
 544         unsigned int extended_capa_len;
 545
 546         int max_scan_ssids;
 547         int max_sched_scan_ssids;
 548         int sched_scan_supported;
 549         unsigned int max_match_sets;
 550         unsigned int max_remain_on_chan;
 551         unsigned int max_stations;
 552
 553         int pending_mic_error_report;
 554         int pending_mic_error_pairwise;
 555         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 556
 557         struct wps_context *wps;
 558         int wps_success; /* WPS success event received */
 559         struct wps_er *wps_er;
 560         int blacklist_cleared;
 561
 562         struct wpabuf *pending_eapol_rx;
 563         struct os_reltime pending_eapol_rx_time;
 564         u8 pending_eapol_rx_src[ETH_ALEN];
 565         unsigned int last_eapol_matches_bssid:1;
 566
 567         struct ibss_rsn *ibss_rsn;
 568
 569         int set_sta_uapsd;
 570         int sta_uapsd;
 571         int set_ap_uapsd;
 572         int ap_uapsd;
 573
 574 #ifdef CONFIG_SME
 575         struct {
 576                 u8 ssid[32];
 577                 size_t ssid_len;
 578                 int freq;
 579                 u8 assoc_req_ie[200];
 580                 size_t assoc_req_ie_len;
 581                 int mfp;
 582                 int ft_used;
 583                 u8 mobility_domain[2];
 584                 u8 *ft_ies;
 585                 size_t ft_ies_len;
 586                 u8 prev_bssid[ETH_ALEN];
 587                 int prev_bssid_set;
 588                 int auth_alg;
 589                 int proto;
 590
 591                 int sa_query_count; /* number of pending SA Query requests;
 592                                      * 0 = no SA Query in progress */
 593                 int sa_query_timed_out;
 594                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 595                                         * sa_query_count octets of pending
 596                                         * SA Query transaction identifiers */
 597                 struct os_reltime sa_query_start;
 598                 u8 sched_obss_scan;
 599                 u16 obss_scan_int;
 600                 u16 bss_max_idle_period;
 601 #ifdef CONFIG_SAE
 602                 struct sae_data sae;
 603                 struct wpabuf *sae_token;
 604                 int sae_group_index;
 605 #endif /* CONFIG_SAE */
 606         } sme;
 607 #endif /* CONFIG_SME */
 608
 609 #ifdef CONFIG_AP
 610         struct hostapd_iface *ap_iface;
 611         void (*ap_configured_cb)(void *ctx, void *data);
 612         void *ap_configured_cb_ctx;
 613         void *ap_configured_cb_data;
 614 #endif /* CONFIG_AP */
 615
 616         unsigned int off_channel_freq;
 617         struct wpabuf *pending_action_tx;
 618         u8 pending_action_src[ETH_ALEN];
 619         u8 pending_action_dst[ETH_ALEN];
 620         u8 pending_action_bssid[ETH_ALEN];
 621         unsigned int pending_action_freq;
 622         int pending_action_no_cck;
 623         int pending_action_without_roc;
 624         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 625                                             unsigned int freq, const u8 *dst,
 626                                             const u8 *src, const u8 *bssid,
 627                                             const u8 *data, size_t data_len,
 628                                             enum offchannel_send_action_result
 629                                             result);
 630         unsigned int roc_waiting_drv_freq;
 631         int action_tx_wait_time;
 632
 633         int p2p_mgmt;
 634
 635 #ifdef CONFIG_P2P
 636         struct p2p_go_neg_results *go_params;
 637         int create_p2p_iface;
 638         u8 pending_interface_addr[ETH_ALEN];
 639         char pending_interface_name[100];
 640         int pending_interface_type;
 641         int p2p_group_idx;
 642         unsigned int pending_listen_freq;
 643         unsigned int pending_listen_duration;
 644         enum {
 645                 NOT_P2P_GROUP_INTERFACE,
 646                 P2P_GROUP_INTERFACE_PENDING,
 647                 P2P_GROUP_INTERFACE_GO,
 648                 P2P_GROUP_INTERFACE_CLIENT
 649         } p2p_group_interface;
 650         struct p2p_group *p2p_group;
 651         int p2p_long_listen; /* remaining time in long Listen state in ms */
 652         char p2p_pin[10];
 653         int p2p_wps_method;
 654         u8 p2p_auth_invite[ETH_ALEN];
 655         int p2p_sd_over_ctrl_iface;
 656         int p2p_in_provisioning;
 657         int pending_invite_ssid_id;
 658         int show_group_started;
 659         u8 go_dev_addr[ETH_ALEN];
 660         int pending_pd_before_join;
 661         u8 pending_join_iface_addr[ETH_ALEN];
 662         u8 pending_join_dev_addr[ETH_ALEN];
 663         int pending_join_wps_method;
 664         int p2p_join_scan_count;
 665         int auto_pd_scan_retry;
 666         int force_long_sd;
 667         u16 pending_pd_config_methods;
 668         enum {
 669                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 670         } pending_pd_use;
 671
 672         /*
 673          * Whether cross connection is disallowed by the AP to which this
 674          * interface is associated (only valid if there is an association).
 675          */
 676         int cross_connect_disallowed;
 677
 678         /*
 679          * Whether this P2P group is configured to use cross connection (only
 680          * valid if this is P2P GO interface). The actual cross connect packet
 681          * forwarding may not be configured depending on the uplink status.
 682          */
 683         int cross_connect_enabled;
 684
 685         /* Whether cross connection forwarding is in use at the moment. */
 686         int cross_connect_in_use;
 687
 688         /*
 689          * Uplink interface name for cross connection
 690          */
 691         char cross_connect_uplink[100];
 692
 693         unsigned int p2p_auto_join:1;
 694         unsigned int p2p_auto_pd:1;
 695         unsigned int p2p_persistent_group:1;
 696         unsigned int p2p_fallback_to_go_neg:1;
 697         unsigned int p2p_pd_before_go_neg:1;
 698         unsigned int p2p_go_ht40:1;
 699         unsigned int p2p_go_vht:1;
 700         unsigned int user_initiated_pd:1;
 701         unsigned int p2p_go_group_formation_completed:1;
 702         unsigned int waiting_presence_resp;
 703         int p2p_first_connection_timeout;
 704         int p2p_persistent_go_freq;
 705         int p2p_persistent_id;
 706         int p2p_go_intent;
 707         int p2p_connect_freq;
 708         struct os_reltime p2p_auto_started;
 709         struct wpa_ssid *p2p_last_4way_hs_fail;
 710         struct wpa_radio_work *p2p_scan_work;
 711         struct wpa_radio_work *p2p_listen_work;
 712         struct wpa_radio_work *p2p_send_action_work;
 713 #endif /* CONFIG_P2P */
 714
 715         struct wpa_ssid *bgscan_ssid;
 716         const struct bgscan_ops *bgscan;
 717         void *bgscan_priv;
 718
 719         const struct autoscan_ops *autoscan;
 720         struct wpa_driver_scan_params *autoscan_params;
 721         void *autoscan_priv;
 722
 723         struct wpa_ssid *connect_without_scan;
 724
 725         struct wps_ap_info *wps_ap;
 726         size_t num_wps_ap;
 727         int wps_ap_iter;
 728
 729         int after_wps;
 730         int known_wps_freq;
 731         unsigned int wps_freq;
 732         u16 wps_ap_channel;
 733         int wps_fragment_size;
 734         int auto_reconnect_disabled;
 735
 736          /* Channel preferences for AP/P2P GO use */
 737         int best_24_freq;
 738         int best_5_freq;
 739         int best_overall_freq;
 740
 741         struct gas_query *gas;
 742
 743 #ifdef CONFIG_INTERWORKING
 744         unsigned int fetch_anqp_in_progress:1;
 745         unsigned int network_select:1;
 746         unsigned int auto_select:1;
 747         unsigned int auto_network_select:1;
 748         unsigned int fetch_all_anqp:1;
 749         struct wpa_bss *interworking_gas_bss;
 750 #endif /* CONFIG_INTERWORKING */
 751         unsigned int drv_capa_known;
 752
 753         struct {
 754                 struct hostapd_hw_modes *modes;
 755                 u16 num_modes;
 756                 u16 flags;
 757         } hw;
 758
 759         int pno;
 760
 761         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 762         int disconnect_reason;
 763
 764         struct ext_password_data *ext_pw;
 765
 766         struct wpabuf *last_gas_resp;
 767         u8 last_gas_addr[ETH_ALEN];
 768         u8 last_gas_dialog_token;
 769
 770         unsigned int no_keep_alive:1;
 771
 772 #ifdef CONFIG_WNM
 773         u8 wnm_dialog_token;
 774         u8 wnm_reply;
 775         u8 wnm_num_neighbor_report;
 776         u8 wnm_mode;
 777         u16 wnm_dissoc_timer;
 778         u8 wnm_validity_interval;
 779         u8 wnm_bss_termination_duration[12];
 780         struct neighbor_report *wnm_neighbor_report_elements;
 781 #endif /* CONFIG_WNM */
 782
 783 #ifdef CONFIG_TESTING_GET_GTK
 784         u8 last_gtk[32];
 785         size_t last_gtk_len;
 786 #endif /* CONFIG_TESTING_GET_GTK */
 787
 788         unsigned int num_multichan_concurrent;
 789         struct wpa_radio_work *connect_work;
 790 };
 791
 792
 793 /* wpa_supplicant.c */
 794 void wpa_supplicant_apply_ht_overrides(
 795         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 796         struct wpa_driver_associate_params *params);
 797 void wpa_supplicant_apply_vht_overrides(
 798         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 799         struct wpa_driver_associate_params *params);
 800
 801 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 802 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 803                                     struct wpa_ssid *ssid);
 804
 805 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 806
 807 const char * wpa_supplicant_state_txt(enum wpa_states state);
 808 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 809 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 810 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 811                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 812                               u8 *wpa_ie, size_t *wpa_ie_len);
 813 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 814                               struct wpa_bss *bss,
 815                               struct wpa_ssid *ssid);
 816 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 817                                        struct wpa_ssid *ssid);
 818 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 819 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 820 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 821                                      int sec, int usec);
 822 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 823 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 824                               enum wpa_states state);
 825 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 826 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 827 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 828 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 829                                    int reason_code);
 830
 831 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 832                                    struct wpa_ssid *ssid);
 833 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 834                                     struct wpa_ssid *ssid);
 835 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 836                                    struct wpa_ssid *ssid);
 837 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
 838                                            const char *pkcs11_engine_path,
 839                                            const char *pkcs11_module_path);
 840 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 841                                int ap_scan);
 842 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 843                                           unsigned int expire_age);
 844 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 845                                             unsigned int expire_count);
 846 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
 847                                      int scan_interval);
 848 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 849                                     int debug_level, int debug_timestamp,
 850                                     int debug_show_keys);
 851 void free_hw_features(struct wpa_supplicant *wpa_s);
 852
 853 void wpa_show_license(void);
 854
 855 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 856                                                  struct wpa_interface *iface);
 857 int wpa_supplicant_remove_iface(struct wpa_global *global,
 858                                 struct wpa_supplicant *wpa_s,
 859                                 int terminate);
 860 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 861                                                  const char *ifname);
 862 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 863 int wpa_supplicant_run(struct wpa_global *global);
 864 void wpa_supplicant_deinit(struct wpa_global *global);
 865
 866 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 867                               struct wpa_ssid *ssid);
 868 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 869 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 870                              const u8 *buf, size_t len);
 871 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 872 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 873 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 874 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
 875 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 876 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
 877 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
 878                               struct wpa_ssid *ssid, int clear_failures);
 879 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
 880 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 881                     size_t ssid_len);
 882 void wpas_request_connection(struct wpa_supplicant *wpa_s);
 883 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
 884 int wpas_wpa_is_in_progress(struct wpa_supplicant *wpa_s, int include_current);
 885
 886 /**
 887  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
 888  * @wpa_s: Pointer to wpa_supplicant data
 889  * @ssid: Pointer to the network block the reply is for
 890  * @field: field the response is a reply for
 891  * @value: value (ie, password, etc) for @field
 892  * Returns: 0 on success, non-zero on error
 893  *
 894  * Helper function to handle replies to control interface requests.
 895  */
 896 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 897                                               struct wpa_ssid *ssid,
 898                                               const char *field,
 899                                               const char *value);
 900
 901 /* events.c */
 902 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 903 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 904                            struct wpa_bss *selected,
 905                            struct wpa_ssid *ssid);
 906 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
 907 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
 908 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
 909 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
 910 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
 911                                              struct wpa_ssid **selected_ssid);
 912
 913 /* eap_register.c */
 914 int eap_register_methods(void);
 915
 916 /**
 917  * Utility method to tell if a given network is a persistent group
 918  * @ssid: Network object
 919  * Returns: 1 if network is a persistent group, 0 otherwise
 920  */
 921 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
 922 {
 923         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
 924 }
 925
 926 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 927
 928 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
 929
 930 void dump_freq_array(struct wpa_supplicant *wpa_s, const char *title,
 931                      int *freq_array, unsigned int len);
 932 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
 933                            int *freq_array, unsigned int len);
 934
 935 #endif /* WPA_SUPPLICANT_I_H */