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         unsigned int p2p_fail_on_wps_complete:1;
 262
 263 #ifdef CONFIG_WIFI_DISPLAY
 264         int wifi_display;
 265 #define MAX_WFD_SUBELEMS 10
 266         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 267 #endif /* CONFIG_WIFI_DISPLAY */
 268
 269         struct psk_list_entry *add_psk; /* From group formation */
 270 };
 271
 272
 273 /**
 274  * struct wpa_radio - Internal data for per-radio information
 275  *
 276  * This structure is used to share data about configured interfaces
 277  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 278  * better coordination of offchannel operations.
 279  */
 280 struct wpa_radio {
 281         char name[16]; /* from driver_ops get_radio_name() or empty if not
 282                         * available */
 283         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 284         struct dl_list work; /* struct wpa_radio_work::list entries */
 285 };
 286
 287 /**
 288  * struct wpa_radio_work - Radio work item
 289  */
 290 struct wpa_radio_work {
 291         struct dl_list list;
 292         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 293         const char *type;
 294         struct wpa_supplicant *wpa_s;
 295         void (*cb)(struct wpa_radio_work *work, int deinit);
 296         void *ctx;
 297         unsigned int started:1;
 298         struct os_reltime time;
 299 };
 300
 301 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 302                    const char *type, int next,
 303                    void (*cb)(struct wpa_radio_work *work, int deinit),
 304                    void *ctx);
 305 void radio_work_done(struct wpa_radio_work *work);
 306 void radio_remove_unstarted_work(struct wpa_supplicant *wpa_s,
 307                                  const char *type);
 308 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 309
 310 struct wpa_connect_work {
 311         unsigned int sme:1;
 312         struct wpa_bss *bss;
 313         struct wpa_ssid *ssid;
 314 };
 315
 316 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 317                         struct wpa_ssid *test_ssid);
 318 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 319 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 320
 321 struct wpa_external_work {
 322         unsigned int id;
 323         char type[100];
 324         unsigned int timeout;
 325 };
 326
 327 /**
 328  * offchannel_send_action_result - Result of offchannel send Action frame
 329  */
 330 enum offchannel_send_action_result {
 331         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 332         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 333                                        */,
 334         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 335                                        */
 336 };
 337
 338 struct wps_ap_info {
 339         u8 bssid[ETH_ALEN];
 340         enum wps_ap_info_type {
 341                 WPS_AP_NOT_SEL_REG,
 342                 WPS_AP_SEL_REG,
 343                 WPS_AP_SEL_REG_OUR
 344         } type;
 345         unsigned int tries;
 346         struct os_reltime last_attempt;
 347 };
 348
 349 struct wpa_ssid_value {
 350         u8 ssid[32];
 351         size_t ssid_len;
 352 };
 353
 354 /**
 355  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 356  *
 357  * This structure contains the internal data for core wpa_supplicant code. This
 358  * should be only used directly from the core code. However, a pointer to this
 359  * data is used from other files as an arbitrary context pointer in calls to
 360  * core functions.
 361  */
 362 struct wpa_supplicant {
 363         struct wpa_global *global;
 364         struct wpa_radio *radio; /* shared radio context */
 365         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 366         struct wpa_supplicant *parent;
 367         struct wpa_supplicant *next;
 368         struct l2_packet_data *l2;
 369         struct l2_packet_data *l2_br;
 370         unsigned char own_addr[ETH_ALEN];
 371         char ifname[100];
 372 #ifdef CONFIG_CTRL_IFACE_DBUS
 373         char *dbus_path;
 374 #endif /* CONFIG_CTRL_IFACE_DBUS */
 375 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 376         char *dbus_new_path;
 377         char *dbus_groupobj_path;
 378 #ifdef CONFIG_AP
 379         char *preq_notify_peer;
 380 #endif /* CONFIG_AP */
 381 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 382         char bridge_ifname[16];
 383
 384         char *confname;
 385         char *confanother;
 386         struct wpa_config *conf;
 387         int countermeasures;
 388         struct os_reltime last_michael_mic_error;
 389         u8 bssid[ETH_ALEN];
 390         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 391                                      * field contains the target BSSID. */
 392         int reassociate; /* reassociation requested */
 393         int disconnected; /* all connections disabled; i.e., do no reassociate
 394                            * before this has been cleared */
 395         struct wpa_ssid *current_ssid;
 396         struct wpa_bss *current_bss;
 397         int ap_ies_from_associnfo;
 398         unsigned int assoc_freq;
 399
 400         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 401         int pairwise_cipher;
 402         int group_cipher;
 403         int key_mgmt;
 404         int wpa_proto;
 405         int mgmt_group_cipher;
 406
 407         void *drv_priv; /* private data used by driver_ops */
 408         void *global_drv_priv;
 409
 410         u8 *bssid_filter;
 411         size_t bssid_filter_count;
 412
 413         u8 *disallow_aps_bssid;
 414         size_t disallow_aps_bssid_count;
 415         struct wpa_ssid_value *disallow_aps_ssid;
 416         size_t disallow_aps_ssid_count;
 417
 418         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 419
 420         /* previous scan was wildcard when interleaving between
 421          * wildcard scans and specific SSID scan when max_ssids=1 */
 422         int prev_scan_wildcard;
 423         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 424                                           * NULL = not yet initialized (start
 425                                           * with wildcard SSID)
 426                                           * WILDCARD_SSID_SCAN = wildcard
 427                                           * SSID was used in the previous scan
 428                                           */
 429 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 430
 431         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 432         int sched_scan_timeout;
 433         int sched_scan_interval;
 434         int first_sched_scan;
 435         int sched_scan_timed_out;
 436
 437         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 438                                  struct wpa_scan_results *scan_res);
 439         struct dl_list bss; /* struct wpa_bss::list */
 440         struct dl_list bss_id; /* struct wpa_bss::list_id */
 441         size_t num_bss;
 442         unsigned int bss_update_idx;
 443         unsigned int bss_next_id;
 444
 445          /*
 446           * Pointers to BSS entries in the order they were in the last scan
 447           * results.
 448           */
 449         struct wpa_bss **last_scan_res;
 450         unsigned int last_scan_res_used;
 451         unsigned int last_scan_res_size;
 452         struct os_reltime last_scan;
 453
 454         struct wpa_driver_ops *driver;
 455         int interface_removed; /* whether the network interface has been
 456                                 * removed */
 457         struct wpa_sm *wpa;
 458         struct eapol_sm *eapol;
 459
 460         struct ctrl_iface_priv *ctrl_iface;
 461
 462         enum wpa_states wpa_state;
 463         struct wpa_radio_work *scan_work;
 464         int scanning;
 465         int sched_scanning;
 466         int new_connection;
 467
 468         int eapol_received; /* number of EAPOL packets received after the
 469                              * previous association event */
 470
 471         struct scard_data *scard;
 472         char imsi[20];
 473         int mnc_len;
 474
 475         unsigned char last_eapol_src[ETH_ALEN];
 476
 477         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 478                                     * known not to be configured with a key */
 479
 480         struct wpa_blacklist *blacklist;
 481
 482         /**
 483          * extra_blacklist_count - Sum of blacklist counts after last connection
 484          *
 485          * This variable is used to maintain a count of temporary blacklisting
 486          * failures (maximum number for any BSS) over blacklist clear
 487          * operations. This is needed for figuring out whether there has been
 488          * failures prior to the last blacklist clear operation which happens
 489          * whenever no other not-blacklisted BSS candidates are available. This
 490          * gets cleared whenever a connection has been established successfully.
 491          */
 492         int extra_blacklist_count;
 493
 494         /**
 495          * scan_req - Type of the scan request
 496          */
 497         enum scan_req_type {
 498                 /**
 499                  * NORMAL_SCAN_REQ - Normal scan request
 500                  *
 501                  * This is used for scans initiated by wpa_supplicant to find an
 502                  * AP for a connection.
 503                  */
 504                 NORMAL_SCAN_REQ,
 505
 506                 /**
 507                  * INITIAL_SCAN_REQ - Initial scan request
 508                  *
 509                  * This is used for the first scan on an interface to force at
 510                  * least one scan to be run even if the configuration does not
 511                  * include any enabled networks.
 512                  */
 513                 INITIAL_SCAN_REQ,
 514
 515                 /**
 516                  * MANUAL_SCAN_REQ - Manual scan request
 517                  *
 518                  * This is used for scans where the user request a scan or
 519                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 520                  * to be run.
 521                  */
 522                 MANUAL_SCAN_REQ
 523         } scan_req, last_scan_req;
 524         struct os_reltime scan_trigger_time, scan_start_time;
 525         int scan_runs; /* number of scan runs since WPS was started */
 526         int *next_scan_freqs;
 527         int *manual_scan_freqs;
 528         unsigned int manual_scan_passive:1;
 529         unsigned int manual_scan_use_id:1;
 530         unsigned int manual_scan_only_new:1;
 531         unsigned int own_scan_requested:1;
 532         unsigned int own_scan_running:1;
 533         unsigned int external_scan_running:1;
 534         unsigned int clear_driver_scan_cache:1;
 535         unsigned int manual_scan_id;
 536         int scan_interval; /* time in sec between scans to find suitable AP */
 537         int normal_scans; /* normal scans run before sched_scan */
 538         int scan_for_connection; /* whether the scan request was triggered for
 539                                   * finding a connection */
 540
 541         unsigned int drv_flags;
 542         unsigned int drv_enc;
 543
 544         /*
 545          * A bitmap of supported protocols for probe response offload. See
 546          * struct wpa_driver_capa in driver.h
 547          */
 548         unsigned int probe_resp_offloads;
 549
 550         /* extended capabilities supported by the driver */
 551         const u8 *extended_capa, *extended_capa_mask;
 552         unsigned int extended_capa_len;
 553
 554         int max_scan_ssids;
 555         int max_sched_scan_ssids;
 556         int sched_scan_supported;
 557         unsigned int max_match_sets;
 558         unsigned int max_remain_on_chan;
 559         unsigned int max_stations;
 560
 561         int pending_mic_error_report;
 562         int pending_mic_error_pairwise;
 563         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 564
 565         struct wps_context *wps;
 566         int wps_success; /* WPS success event received */
 567         struct wps_er *wps_er;
 568         int blacklist_cleared;
 569
 570         struct wpabuf *pending_eapol_rx;
 571         struct os_reltime pending_eapol_rx_time;
 572         u8 pending_eapol_rx_src[ETH_ALEN];
 573         unsigned int last_eapol_matches_bssid:1;
 574
 575         struct ibss_rsn *ibss_rsn;
 576
 577         int set_sta_uapsd;
 578         int sta_uapsd;
 579         int set_ap_uapsd;
 580         int ap_uapsd;
 581
 582 #ifdef CONFIG_SME
 583         struct {
 584                 u8 ssid[32];
 585                 size_t ssid_len;
 586                 int freq;
 587                 u8 assoc_req_ie[200];
 588                 size_t assoc_req_ie_len;
 589                 int mfp;
 590                 int ft_used;
 591                 u8 mobility_domain[2];
 592                 u8 *ft_ies;
 593                 size_t ft_ies_len;
 594                 u8 prev_bssid[ETH_ALEN];
 595                 int prev_bssid_set;
 596                 int auth_alg;
 597                 int proto;
 598
 599                 int sa_query_count; /* number of pending SA Query requests;
 600                                      * 0 = no SA Query in progress */
 601                 int sa_query_timed_out;
 602                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 603                                         * sa_query_count octets of pending
 604                                         * SA Query transaction identifiers */
 605                 struct os_reltime sa_query_start;
 606                 u8 sched_obss_scan;
 607                 u16 obss_scan_int;
 608                 u16 bss_max_idle_period;
 609 #ifdef CONFIG_SAE
 610                 struct sae_data sae;
 611                 struct wpabuf *sae_token;
 612                 int sae_group_index;
 613 #endif /* CONFIG_SAE */
 614         } sme;
 615 #endif /* CONFIG_SME */
 616
 617 #ifdef CONFIG_AP
 618         struct hostapd_iface *ap_iface;
 619         void (*ap_configured_cb)(void *ctx, void *data);
 620         void *ap_configured_cb_ctx;
 621         void *ap_configured_cb_data;
 622 #endif /* CONFIG_AP */
 623
 624         unsigned int off_channel_freq;
 625         struct wpabuf *pending_action_tx;
 626         u8 pending_action_src[ETH_ALEN];
 627         u8 pending_action_dst[ETH_ALEN];
 628         u8 pending_action_bssid[ETH_ALEN];
 629         unsigned int pending_action_freq;
 630         int pending_action_no_cck;
 631         int pending_action_without_roc;
 632         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 633                                             unsigned int freq, const u8 *dst,
 634                                             const u8 *src, const u8 *bssid,
 635                                             const u8 *data, size_t data_len,
 636                                             enum offchannel_send_action_result
 637                                             result);
 638         unsigned int roc_waiting_drv_freq;
 639         int action_tx_wait_time;
 640
 641         int p2p_mgmt;
 642
 643 #ifdef CONFIG_P2P
 644         struct p2p_go_neg_results *go_params;
 645         int create_p2p_iface;
 646         u8 pending_interface_addr[ETH_ALEN];
 647         char pending_interface_name[100];
 648         int pending_interface_type;
 649         int p2p_group_idx;
 650         unsigned int pending_listen_freq;
 651         unsigned int pending_listen_duration;
 652         enum {
 653                 NOT_P2P_GROUP_INTERFACE,
 654                 P2P_GROUP_INTERFACE_PENDING,
 655                 P2P_GROUP_INTERFACE_GO,
 656                 P2P_GROUP_INTERFACE_CLIENT
 657         } p2p_group_interface;
 658         struct p2p_group *p2p_group;
 659         int p2p_long_listen; /* remaining time in long Listen state in ms */
 660         char p2p_pin[10];
 661         int p2p_wps_method;
 662         u8 p2p_auth_invite[ETH_ALEN];
 663         int p2p_sd_over_ctrl_iface;
 664         int p2p_in_provisioning;
 665         int pending_invite_ssid_id;
 666         int show_group_started;
 667         u8 go_dev_addr[ETH_ALEN];
 668         int pending_pd_before_join;
 669         u8 pending_join_iface_addr[ETH_ALEN];
 670         u8 pending_join_dev_addr[ETH_ALEN];
 671         int pending_join_wps_method;
 672         int p2p_join_scan_count;
 673         int auto_pd_scan_retry;
 674         int force_long_sd;
 675         u16 pending_pd_config_methods;
 676         enum {
 677                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 678         } pending_pd_use;
 679
 680         /*
 681          * Whether cross connection is disallowed by the AP to which this
 682          * interface is associated (only valid if there is an association).
 683          */
 684         int cross_connect_disallowed;
 685
 686         /*
 687          * Whether this P2P group is configured to use cross connection (only
 688          * valid if this is P2P GO interface). The actual cross connect packet
 689          * forwarding may not be configured depending on the uplink status.
 690          */
 691         int cross_connect_enabled;
 692
 693         /* Whether cross connection forwarding is in use at the moment. */
 694         int cross_connect_in_use;
 695
 696         /*
 697          * Uplink interface name for cross connection
 698          */
 699         char cross_connect_uplink[100];
 700
 701         unsigned int p2p_auto_join:1;
 702         unsigned int p2p_auto_pd:1;
 703         unsigned int p2p_persistent_group:1;
 704         unsigned int p2p_fallback_to_go_neg:1;
 705         unsigned int p2p_pd_before_go_neg:1;
 706         unsigned int p2p_go_ht40:1;
 707         unsigned int p2p_go_vht:1;
 708         unsigned int user_initiated_pd:1;
 709         unsigned int p2p_go_group_formation_completed:1;
 710         unsigned int waiting_presence_resp;
 711         int p2p_first_connection_timeout;
 712         int p2p_persistent_go_freq;
 713         int p2p_persistent_id;
 714         int p2p_go_intent;
 715         int p2p_connect_freq;
 716         struct os_reltime p2p_auto_started;
 717         struct wpa_ssid *p2p_last_4way_hs_fail;
 718         struct wpa_radio_work *p2p_scan_work;
 719         struct wpa_radio_work *p2p_listen_work;
 720         struct wpa_radio_work *p2p_send_action_work;
 721 #endif /* CONFIG_P2P */
 722
 723         struct wpa_ssid *bgscan_ssid;
 724         const struct bgscan_ops *bgscan;
 725         void *bgscan_priv;
 726
 727         const struct autoscan_ops *autoscan;
 728         struct wpa_driver_scan_params *autoscan_params;
 729         void *autoscan_priv;
 730
 731         struct wpa_ssid *connect_without_scan;
 732
 733         struct wps_ap_info *wps_ap;
 734         size_t num_wps_ap;
 735         int wps_ap_iter;
 736
 737         int after_wps;
 738         int known_wps_freq;
 739         unsigned int wps_freq;
 740         u16 wps_ap_channel;
 741         int wps_fragment_size;
 742         int auto_reconnect_disabled;
 743
 744          /* Channel preferences for AP/P2P GO use */
 745         int best_24_freq;
 746         int best_5_freq;
 747         int best_overall_freq;
 748
 749         struct gas_query *gas;
 750
 751 #ifdef CONFIG_INTERWORKING
 752         unsigned int fetch_anqp_in_progress:1;
 753         unsigned int network_select:1;
 754         unsigned int auto_select:1;
 755         unsigned int auto_network_select:1;
 756         unsigned int fetch_all_anqp:1;
 757         struct wpa_bss *interworking_gas_bss;
 758 #endif /* CONFIG_INTERWORKING */
 759         unsigned int drv_capa_known;
 760
 761         struct {
 762                 struct hostapd_hw_modes *modes;
 763                 u16 num_modes;
 764                 u16 flags;
 765         } hw;
 766
 767         int pno;
 768
 769         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 770         int disconnect_reason;
 771
 772         struct ext_password_data *ext_pw;
 773
 774         struct wpabuf *last_gas_resp, *prev_gas_resp;
 775         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 776         u8 last_gas_dialog_token, prev_gas_dialog_token;
 777
 778         unsigned int no_keep_alive:1;
 779
 780 #ifdef CONFIG_WNM
 781         u8 wnm_dialog_token;
 782         u8 wnm_reply;
 783         u8 wnm_num_neighbor_report;
 784         u8 wnm_mode;
 785         u16 wnm_dissoc_timer;
 786         u8 wnm_validity_interval;
 787         u8 wnm_bss_termination_duration[12];
 788         struct neighbor_report *wnm_neighbor_report_elements;
 789 #endif /* CONFIG_WNM */
 790
 791 #ifdef CONFIG_TESTING_GET_GTK
 792         u8 last_gtk[32];
 793         size_t last_gtk_len;
 794 #endif /* CONFIG_TESTING_GET_GTK */
 795
 796         unsigned int num_multichan_concurrent;
 797         struct wpa_radio_work *connect_work;
 798
 799         unsigned int ext_work_id;
 800 };
 801
 802
 803 /* wpa_supplicant.c */
 804 void wpa_supplicant_apply_ht_overrides(
 805         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 806         struct wpa_driver_associate_params *params);
 807 void wpa_supplicant_apply_vht_overrides(
 808         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 809         struct wpa_driver_associate_params *params);
 810
 811 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 812 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 813                                     struct wpa_ssid *ssid);
 814
 815 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 816
 817 const char * wpa_supplicant_state_txt(enum wpa_states state);
 818 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 819 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 820 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 821                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 822                               u8 *wpa_ie, size_t *wpa_ie_len);
 823 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 824                               struct wpa_bss *bss,
 825                               struct wpa_ssid *ssid);
 826 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 827                                        struct wpa_ssid *ssid);
 828 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 829 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 830 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 831                                      int sec, int usec);
 832 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 833 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 834                               enum wpa_states state);
 835 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 836 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 837 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 838 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 839                                    int reason_code);
 840
 841 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 842                                    struct wpa_ssid *ssid);
 843 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 844                                     struct wpa_ssid *ssid);
 845 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 846                                    struct wpa_ssid *ssid);
 847 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
 848                                            const char *pkcs11_engine_path,
 849                                            const char *pkcs11_module_path);
 850 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 851                                int ap_scan);
 852 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 853                                           unsigned int expire_age);
 854 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 855                                             unsigned int expire_count);
 856 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
 857                                      int scan_interval);
 858 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 859                                     int debug_level, int debug_timestamp,
 860                                     int debug_show_keys);
 861 void free_hw_features(struct wpa_supplicant *wpa_s);
 862
 863 void wpa_show_license(void);
 864
 865 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 866                                                  struct wpa_interface *iface);
 867 int wpa_supplicant_remove_iface(struct wpa_global *global,
 868                                 struct wpa_supplicant *wpa_s,
 869                                 int terminate);
 870 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 871                                                  const char *ifname);
 872 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 873 int wpa_supplicant_run(struct wpa_global *global);
 874 void wpa_supplicant_deinit(struct wpa_global *global);
 875
 876 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 877                               struct wpa_ssid *ssid);
 878 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 879 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 880                              const u8 *buf, size_t len);
 881 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 882 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 883 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 884 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
 885 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 886 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
 887 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
 888                               struct wpa_ssid *ssid, int clear_failures);
 889 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
 890 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 891                     size_t ssid_len);
 892 void wpas_request_connection(struct wpa_supplicant *wpa_s);
 893 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
 894
 895 /**
 896  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
 897  * @wpa_s: Pointer to wpa_supplicant data
 898  * @ssid: Pointer to the network block the reply is for
 899  * @field: field the response is a reply for
 900  * @value: value (ie, password, etc) for @field
 901  * Returns: 0 on success, non-zero on error
 902  *
 903  * Helper function to handle replies to control interface requests.
 904  */
 905 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 906                                               struct wpa_ssid *ssid,
 907                                               const char *field,
 908                                               const char *value);
 909
 910 /* events.c */
 911 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 912 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 913                            struct wpa_bss *selected,
 914                            struct wpa_ssid *ssid);
 915 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
 916 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
 917 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
 918 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
 919 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
 920                                              struct wpa_ssid **selected_ssid);
 921
 922 /* eap_register.c */
 923 int eap_register_methods(void);
 924
 925 /**
 926  * Utility method to tell if a given network is a persistent group
 927  * @ssid: Network object
 928  * Returns: 1 if network is a persistent group, 0 otherwise
 929  */
 930 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
 931 {
 932         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
 933 }
 934
 935 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 936
 937 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
 938
 939 void dump_freq_array(struct wpa_supplicant *wpa_s, const char *title,
 940                      int *freq_array, unsigned int len);
 941 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
 942                            int *freq_array, unsigned int len);
 943
 944 #endif /* WPA_SUPPLICANT_I_H */