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
  19 extern const char *wpa_supplicant_version;
  20 extern const char *wpa_supplicant_license;
  21 #ifndef CONFIG_NO_STDOUT_DEBUG
  22 extern const char *wpa_supplicant_full_license1;
  23 extern const char *wpa_supplicant_full_license2;
  24 extern const char *wpa_supplicant_full_license3;
  25 extern const char *wpa_supplicant_full_license4;
  26 extern const char *wpa_supplicant_full_license5;
  27 #endif /* CONFIG_NO_STDOUT_DEBUG */
  28
  29 struct wpa_sm;
  30 struct wpa_supplicant;
  31 struct ibss_rsn;
  32 struct scan_info;
  33 struct wpa_bss;
  34 struct wpa_scan_results;
  35 struct hostapd_hw_modes;
  36 struct wpa_driver_associate_params;
  37
  38 /*
  39  * Forward declarations of private structures used within the ctrl_iface
  40  * backends. Other parts of wpa_supplicant do not have access to data stored in
  41  * these structures.
  42  */
  43 struct ctrl_iface_priv;
  44 struct ctrl_iface_global_priv;
  45 struct wpas_dbus_priv;
  46
  47 /**
  48  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  49  */
  50 struct wpa_interface {
  51         /**
  52          * confname - Configuration name (file or profile) name
  53          *
  54          * This can also be %NULL when a configuration file is not used. In
  55          * that case, ctrl_interface must be set to allow the interface to be
  56          * configured.
  57          */
  58         const char *confname;
  59
  60         /**
  61          * confanother - Additional configuration name (file or profile) name
  62          *
  63          * This can also be %NULL when the additional configuration file is not
  64          * used.
  65          */
  66         const char *confanother;
  67
  68 #ifdef CONFIG_P2P
  69         /**
  70          * conf_p2p_dev - Configuration file used to hold the
  71          * P2P Device configuration parameters.
  72          *
  73          * This can also be %NULL. In such a case, if a P2P Device dedicated
  74          * interfaces is created, the main configuration file will be used.
  75          */
  76         const char *conf_p2p_dev;
  77 #endif /* CONFIG_P2P */
  78
  79         /**
  80          * ctrl_interface - Control interface parameter
  81          *
  82          * If a configuration file is not used, this variable can be used to
  83          * set the ctrl_interface parameter that would have otherwise been read
  84          * from the configuration file. If both confname and ctrl_interface are
  85          * set, ctrl_interface is used to override the value from configuration
  86          * file.
  87          */
  88         const char *ctrl_interface;
  89
  90         /**
  91          * driver - Driver interface name, or %NULL to use the default driver
  92          */
  93         const char *driver;
  94
  95         /**
  96          * driver_param - Driver interface parameters
  97          *
  98          * If a configuration file is not used, this variable can be used to
  99          * set the driver_param parameters that would have otherwise been read
 100          * from the configuration file. If both confname and driver_param are
 101          * set, driver_param is used to override the value from configuration
 102          * file.
 103          */
 104         const char *driver_param;
 105
 106         /**
 107          * ifname - Interface name
 108          */
 109         const char *ifname;
 110
 111         /**
 112          * bridge_ifname - Optional bridge interface name
 113          *
 114          * If the driver interface (ifname) is included in a Linux bridge
 115          * device, the bridge interface may need to be used for receiving EAPOL
 116          * frames. This can be enabled by setting this variable to enable
 117          * receiving of EAPOL frames from an additional interface.
 118          */
 119         const char *bridge_ifname;
 120
 121         /**
 122          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 123          *
 124          * Indicates whether wpas_p2p_init() must be called for this interface.
 125          * This is used only when the driver supports a dedicated P2P Device
 126          * interface that is not a network interface.
 127          */
 128         int p2p_mgmt;
 129 };
 130
 131 /**
 132  * struct wpa_params - Parameters for wpa_supplicant_init()
 133  */
 134 struct wpa_params {
 135         /**
 136          * daemonize - Run %wpa_supplicant in the background
 137          */
 138         int daemonize;
 139
 140         /**
 141          * wait_for_monitor - Wait for a monitor program before starting
 142          */
 143         int wait_for_monitor;
 144
 145         /**
 146          * pid_file - Path to a PID (process ID) file
 147          *
 148          * If this and daemonize are set, process ID of the background process
 149          * will be written to the specified file.
 150          */
 151         char *pid_file;
 152
 153         /**
 154          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 155          */
 156         int wpa_debug_level;
 157
 158         /**
 159          * wpa_debug_show_keys - Whether keying material is included in debug
 160          *
 161          * This parameter can be used to allow keying material to be included
 162          * in debug messages. This is a security risk and this option should
 163          * not be enabled in normal configuration. If needed during
 164          * development or while troubleshooting, this option can provide more
 165          * details for figuring out what is happening.
 166          */
 167         int wpa_debug_show_keys;
 168
 169         /**
 170          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 171          */
 172         int wpa_debug_timestamp;
 173
 174         /**
 175          * ctrl_interface - Global ctrl_iface path/parameter
 176          */
 177         char *ctrl_interface;
 178
 179         /**
 180          * ctrl_interface_group - Global ctrl_iface group
 181          */
 182         char *ctrl_interface_group;
 183
 184         /**
 185          * dbus_ctrl_interface - Enable the DBus control interface
 186          */
 187         int dbus_ctrl_interface;
 188
 189         /**
 190          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 191          */
 192         const char *wpa_debug_file_path;
 193
 194         /**
 195          * wpa_debug_syslog - Enable log output through syslog
 196          */
 197         int wpa_debug_syslog;
 198
 199         /**
 200          * wpa_debug_tracing - Enable log output through Linux tracing
 201          */
 202         int wpa_debug_tracing;
 203
 204         /**
 205          * override_driver - Optional driver parameter override
 206          *
 207          * This parameter can be used to override the driver parameter in
 208          * dynamic interface addition to force a specific driver wrapper to be
 209          * used instead.
 210          */
 211         char *override_driver;
 212
 213         /**
 214          * override_ctrl_interface - Optional ctrl_interface override
 215          *
 216          * This parameter can be used to override the ctrl_interface parameter
 217          * in dynamic interface addition to force a control interface to be
 218          * created.
 219          */
 220         char *override_ctrl_interface;
 221
 222         /**
 223          * entropy_file - Optional entropy file
 224          *
 225          * This parameter can be used to configure wpa_supplicant to maintain
 226          * its internal entropy store over restarts.
 227          */
 228         char *entropy_file;
 229 };
 230
 231 struct p2p_srv_bonjour {
 232         struct dl_list list;
 233         struct wpabuf *query;
 234         struct wpabuf *resp;
 235 };
 236
 237 struct p2p_srv_upnp {
 238         struct dl_list list;
 239         u8 version;
 240         char *service;
 241 };
 242
 243 /**
 244  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 245  *
 246  * This structure is initialized by calling wpa_supplicant_init() when starting
 247  * %wpa_supplicant.
 248  */
 249 struct wpa_global {
 250         struct wpa_supplicant *ifaces;
 251         struct wpa_params params;
 252         struct ctrl_iface_global_priv *ctrl_iface;
 253         struct wpas_dbus_priv *dbus;
 254         void **drv_priv;
 255         size_t drv_count;
 256         struct os_time suspend_time;
 257         struct p2p_data *p2p;
 258         struct wpa_supplicant *p2p_init_wpa_s;
 259         struct wpa_supplicant *p2p_group_formation;
 260         struct wpa_supplicant *p2p_invite_group;
 261         u8 p2p_dev_addr[ETH_ALEN];
 262         struct os_reltime p2p_go_wait_client;
 263         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 264         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 265         int p2p_disabled;
 266         int cross_connection;
 267         struct wpa_freq_range_list p2p_disallow_freq;
 268         struct wpa_freq_range_list p2p_go_avoid_freq;
 269         enum wpa_conc_pref {
 270                 WPA_CONC_PREF_NOT_SET,
 271                 WPA_CONC_PREF_STA,
 272                 WPA_CONC_PREF_P2P
 273         } conc_pref;
 274         unsigned int p2p_per_sta_psk:1;
 275         unsigned int p2p_fail_on_wps_complete:1;
 276
 277 #ifdef CONFIG_WIFI_DISPLAY
 278         int wifi_display;
 279 #define MAX_WFD_SUBELEMS 10
 280         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 281 #endif /* CONFIG_WIFI_DISPLAY */
 282
 283         struct psk_list_entry *add_psk; /* From group formation */
 284 };
 285
 286
 287 /**
 288  * struct wpa_radio - Internal data for per-radio information
 289  *
 290  * This structure is used to share data about configured interfaces
 291  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 292  * better coordination of offchannel operations.
 293  */
 294 struct wpa_radio {
 295         char name[16]; /* from driver_ops get_radio_name() or empty if not
 296                         * available */
 297         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 298         struct dl_list work; /* struct wpa_radio_work::list entries */
 299 };
 300
 301 /**
 302  * struct wpa_radio_work - Radio work item
 303  */
 304 struct wpa_radio_work {
 305         struct dl_list list;
 306         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 307         const char *type;
 308         struct wpa_supplicant *wpa_s;
 309         void (*cb)(struct wpa_radio_work *work, int deinit);
 310         void *ctx;
 311         unsigned int started:1;
 312         struct os_reltime time;
 313 };
 314
 315 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 316                    const char *type, int next,
 317                    void (*cb)(struct wpa_radio_work *work, int deinit),
 318                    void *ctx);
 319 void radio_work_done(struct wpa_radio_work *work);
 320 void radio_remove_works(struct wpa_supplicant *wpa_s,
 321                         const char *type, int remove_all);
 322 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 323 int radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 324
 325 struct wpa_connect_work {
 326         unsigned int sme:1;
 327         struct wpa_bss *bss;
 328         struct wpa_ssid *ssid;
 329 };
 330
 331 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 332                         struct wpa_ssid *test_ssid);
 333 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 334 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 335
 336 struct wpa_external_work {
 337         unsigned int id;
 338         char type[100];
 339         unsigned int timeout;
 340 };
 341
 342 /**
 343  * offchannel_send_action_result - Result of offchannel send Action frame
 344  */
 345 enum offchannel_send_action_result {
 346         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 347         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 348                                        */,
 349         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 350                                        */
 351 };
 352
 353 struct wps_ap_info {
 354         u8 bssid[ETH_ALEN];
 355         enum wps_ap_info_type {
 356                 WPS_AP_NOT_SEL_REG,
 357                 WPS_AP_SEL_REG,
 358                 WPS_AP_SEL_REG_OUR
 359         } type;
 360         unsigned int tries;
 361         struct os_reltime last_attempt;
 362 };
 363
 364 struct wpa_ssid_value {
 365         u8 ssid[32];
 366         size_t ssid_len;
 367 };
 368
 369 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 370 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 371
 372 struct wpa_used_freq_data {
 373         int freq;
 374         unsigned int flags;
 375 };
 376
 377 /**
 378  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 379  *
 380  * This structure contains the internal data for core wpa_supplicant code. This
 381  * should be only used directly from the core code. However, a pointer to this
 382  * data is used from other files as an arbitrary context pointer in calls to
 383  * core functions.
 384  */
 385 struct wpa_supplicant {
 386         struct wpa_global *global;
 387         struct wpa_radio *radio; /* shared radio context */
 388         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 389         struct wpa_supplicant *parent;
 390         struct wpa_supplicant *next;
 391         struct l2_packet_data *l2;
 392         struct l2_packet_data *l2_br;
 393         unsigned char own_addr[ETH_ALEN];
 394         unsigned char perm_addr[ETH_ALEN];
 395         char ifname[100];
 396 #ifdef CONFIG_CTRL_IFACE_DBUS
 397         char *dbus_path;
 398 #endif /* CONFIG_CTRL_IFACE_DBUS */
 399 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 400         char *dbus_new_path;
 401         char *dbus_groupobj_path;
 402 #ifdef CONFIG_AP
 403         char *preq_notify_peer;
 404 #endif /* CONFIG_AP */
 405 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 406         char bridge_ifname[16];
 407
 408         char *confname;
 409         char *confanother;
 410
 411         struct wpa_config *conf;
 412         int countermeasures;
 413         struct os_reltime last_michael_mic_error;
 414         u8 bssid[ETH_ALEN];
 415         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 416                                      * field contains the target BSSID. */
 417         int reassociate; /* reassociation requested */
 418         int disconnected; /* all connections disabled; i.e., do no reassociate
 419                            * before this has been cleared */
 420         struct wpa_ssid *current_ssid;
 421         struct wpa_ssid *last_ssid;
 422         struct wpa_bss *current_bss;
 423         int ap_ies_from_associnfo;
 424         unsigned int assoc_freq;
 425
 426         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 427         int pairwise_cipher;
 428         int group_cipher;
 429         int key_mgmt;
 430         int wpa_proto;
 431         int mgmt_group_cipher;
 432
 433         void *drv_priv; /* private data used by driver_ops */
 434         void *global_drv_priv;
 435
 436         u8 *bssid_filter;
 437         size_t bssid_filter_count;
 438
 439         u8 *disallow_aps_bssid;
 440         size_t disallow_aps_bssid_count;
 441         struct wpa_ssid_value *disallow_aps_ssid;
 442         size_t disallow_aps_ssid_count;
 443
 444         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 445
 446         /* Preferred network for the next connection attempt */
 447         struct wpa_ssid *next_ssid;
 448
 449         /* previous scan was wildcard when interleaving between
 450          * wildcard scans and specific SSID scan when max_ssids=1 */
 451         int prev_scan_wildcard;
 452         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 453                                           * NULL = not yet initialized (start
 454                                           * with wildcard SSID)
 455                                           * WILDCARD_SSID_SCAN = wildcard
 456                                           * SSID was used in the previous scan
 457                                           */
 458 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 459
 460         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 461         int sched_scan_timeout;
 462         int sched_scan_interval;
 463         int first_sched_scan;
 464         int sched_scan_timed_out;
 465
 466         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 467                                  struct wpa_scan_results *scan_res);
 468         struct dl_list bss; /* struct wpa_bss::list */
 469         struct dl_list bss_id; /* struct wpa_bss::list_id */
 470         size_t num_bss;
 471         unsigned int bss_update_idx;
 472         unsigned int bss_next_id;
 473
 474          /*
 475           * Pointers to BSS entries in the order they were in the last scan
 476           * results.
 477           */
 478         struct wpa_bss **last_scan_res;
 479         unsigned int last_scan_res_used;
 480         unsigned int last_scan_res_size;
 481         struct os_reltime last_scan;
 482
 483         struct wpa_driver_ops *driver;
 484         int interface_removed; /* whether the network interface has been
 485                                 * removed */
 486         struct wpa_sm *wpa;
 487         struct eapol_sm *eapol;
 488
 489         struct ctrl_iface_priv *ctrl_iface;
 490
 491         enum wpa_states wpa_state;
 492         struct wpa_radio_work *scan_work;
 493         int scanning;
 494         int sched_scanning;
 495         int new_connection;
 496
 497         int eapol_received; /* number of EAPOL packets received after the
 498                              * previous association event */
 499
 500         struct scard_data *scard;
 501         char imsi[20];
 502         int mnc_len;
 503
 504         unsigned char last_eapol_src[ETH_ALEN];
 505
 506         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 507                                     * known not to be configured with a key */
 508
 509         struct wpa_blacklist *blacklist;
 510
 511         /**
 512          * extra_blacklist_count - Sum of blacklist counts after last connection
 513          *
 514          * This variable is used to maintain a count of temporary blacklisting
 515          * failures (maximum number for any BSS) over blacklist clear
 516          * operations. This is needed for figuring out whether there has been
 517          * failures prior to the last blacklist clear operation which happens
 518          * whenever no other not-blacklisted BSS candidates are available. This
 519          * gets cleared whenever a connection has been established successfully.
 520          */
 521         int extra_blacklist_count;
 522
 523         /**
 524          * scan_req - Type of the scan request
 525          */
 526         enum scan_req_type {
 527                 /**
 528                  * NORMAL_SCAN_REQ - Normal scan request
 529                  *
 530                  * This is used for scans initiated by wpa_supplicant to find an
 531                  * AP for a connection.
 532                  */
 533                 NORMAL_SCAN_REQ,
 534
 535                 /**
 536                  * INITIAL_SCAN_REQ - Initial scan request
 537                  *
 538                  * This is used for the first scan on an interface to force at
 539                  * least one scan to be run even if the configuration does not
 540                  * include any enabled networks.
 541                  */
 542                 INITIAL_SCAN_REQ,
 543
 544                 /**
 545                  * MANUAL_SCAN_REQ - Manual scan request
 546                  *
 547                  * This is used for scans where the user request a scan or
 548                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 549                  * to be run.
 550                  */
 551                 MANUAL_SCAN_REQ
 552         } scan_req, last_scan_req;
 553         struct os_reltime scan_trigger_time, scan_start_time;
 554         int scan_runs; /* number of scan runs since WPS was started */
 555         int *next_scan_freqs;
 556         int *manual_scan_freqs;
 557         int *manual_sched_scan_freqs;
 558         unsigned int manual_scan_passive:1;
 559         unsigned int manual_scan_use_id:1;
 560         unsigned int manual_scan_only_new:1;
 561         unsigned int own_scan_requested:1;
 562         unsigned int own_scan_running:1;
 563         unsigned int external_scan_running:1;
 564         unsigned int clear_driver_scan_cache:1;
 565         unsigned int manual_scan_id;
 566         int scan_interval; /* time in sec between scans to find suitable AP */
 567         int normal_scans; /* normal scans run before sched_scan */
 568         int scan_for_connection; /* whether the scan request was triggered for
 569                                   * finding a connection */
 570 #define MAX_SCAN_ID 16
 571         int scan_id[MAX_SCAN_ID];
 572         unsigned int scan_id_count;
 573
 574         u64 drv_flags;
 575         unsigned int drv_enc;
 576
 577         /*
 578          * A bitmap of supported protocols for probe response offload. See
 579          * struct wpa_driver_capa in driver.h
 580          */
 581         unsigned int probe_resp_offloads;
 582
 583         /* extended capabilities supported by the driver */
 584         const u8 *extended_capa, *extended_capa_mask;
 585         unsigned int extended_capa_len;
 586
 587         int max_scan_ssids;
 588         int max_sched_scan_ssids;
 589         int sched_scan_supported;
 590         unsigned int max_match_sets;
 591         unsigned int max_remain_on_chan;
 592         unsigned int max_stations;
 593
 594         int pending_mic_error_report;
 595         int pending_mic_error_pairwise;
 596         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 597
 598         struct wps_context *wps;
 599         int wps_success; /* WPS success event received */
 600         struct wps_er *wps_er;
 601         unsigned int wps_run;
 602         int blacklist_cleared;
 603
 604         struct wpabuf *pending_eapol_rx;
 605         struct os_reltime pending_eapol_rx_time;
 606         u8 pending_eapol_rx_src[ETH_ALEN];
 607         unsigned int last_eapol_matches_bssid:1;
 608         unsigned int eap_expected_failure:1;
 609         unsigned int reattach:1; /* reassociation to the same BSS requested */
 610         unsigned int mac_addr_changed:1;
 611
 612         struct os_reltime last_mac_addr_change;
 613         int last_mac_addr_style;
 614
 615         struct ibss_rsn *ibss_rsn;
 616
 617         int set_sta_uapsd;
 618         int sta_uapsd;
 619         int set_ap_uapsd;
 620         int ap_uapsd;
 621
 622 #ifdef CONFIG_SME
 623         struct {
 624                 u8 ssid[32];
 625                 size_t ssid_len;
 626                 int freq;
 627                 u8 assoc_req_ie[200];
 628                 size_t assoc_req_ie_len;
 629                 int mfp;
 630                 int ft_used;
 631                 u8 mobility_domain[2];
 632                 u8 *ft_ies;
 633                 size_t ft_ies_len;
 634                 u8 prev_bssid[ETH_ALEN];
 635                 int prev_bssid_set;
 636                 int auth_alg;
 637                 int proto;
 638
 639                 int sa_query_count; /* number of pending SA Query requests;
 640                                      * 0 = no SA Query in progress */
 641                 int sa_query_timed_out;
 642                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 643                                         * sa_query_count octets of pending
 644                                         * SA Query transaction identifiers */
 645                 struct os_reltime sa_query_start;
 646                 struct os_reltime last_unprot_disconnect;
 647                 u8 sched_obss_scan;
 648                 u16 obss_scan_int;
 649                 u16 bss_max_idle_period;
 650 #ifdef CONFIG_SAE
 651                 struct sae_data sae;
 652                 struct wpabuf *sae_token;
 653                 int sae_group_index;
 654                 unsigned int sae_pmksa_caching:1;
 655 #endif /* CONFIG_SAE */
 656         } sme;
 657 #endif /* CONFIG_SME */
 658
 659 #ifdef CONFIG_AP
 660         struct hostapd_iface *ap_iface;
 661         void (*ap_configured_cb)(void *ctx, void *data);
 662         void *ap_configured_cb_ctx;
 663         void *ap_configured_cb_data;
 664 #endif /* CONFIG_AP */
 665
 666         unsigned int off_channel_freq;
 667         struct wpabuf *pending_action_tx;
 668         u8 pending_action_src[ETH_ALEN];
 669         u8 pending_action_dst[ETH_ALEN];
 670         u8 pending_action_bssid[ETH_ALEN];
 671         unsigned int pending_action_freq;
 672         int pending_action_no_cck;
 673         int pending_action_without_roc;
 674         unsigned int pending_action_tx_done:1;
 675         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 676                                             unsigned int freq, const u8 *dst,
 677                                             const u8 *src, const u8 *bssid,
 678                                             const u8 *data, size_t data_len,
 679                                             enum offchannel_send_action_result
 680                                             result);
 681         unsigned int roc_waiting_drv_freq;
 682         int action_tx_wait_time;
 683
 684         int p2p_mgmt;
 685
 686 #ifdef CONFIG_P2P
 687         struct p2p_go_neg_results *go_params;
 688         int create_p2p_iface;
 689         u8 pending_interface_addr[ETH_ALEN];
 690         char pending_interface_name[100];
 691         int pending_interface_type;
 692         int p2p_group_idx;
 693         unsigned int pending_listen_freq;
 694         unsigned int pending_listen_duration;
 695         enum {
 696                 NOT_P2P_GROUP_INTERFACE,
 697                 P2P_GROUP_INTERFACE_PENDING,
 698                 P2P_GROUP_INTERFACE_GO,
 699                 P2P_GROUP_INTERFACE_CLIENT
 700         } p2p_group_interface;
 701         struct p2p_group *p2p_group;
 702         int p2p_long_listen; /* remaining time in long Listen state in ms */
 703         char p2p_pin[10];
 704         int p2p_wps_method;
 705         u8 p2p_auth_invite[ETH_ALEN];
 706         int p2p_sd_over_ctrl_iface;
 707         int p2p_in_provisioning;
 708         int p2p_in_invitation;
 709         int p2p_invite_go_freq;
 710         int pending_invite_ssid_id;
 711         int show_group_started;
 712         u8 go_dev_addr[ETH_ALEN];
 713         int pending_pd_before_join;
 714         u8 pending_join_iface_addr[ETH_ALEN];
 715         u8 pending_join_dev_addr[ETH_ALEN];
 716         int pending_join_wps_method;
 717         u8 p2p_join_ssid[32];
 718         size_t p2p_join_ssid_len;
 719         int p2p_join_scan_count;
 720         int auto_pd_scan_retry;
 721         int force_long_sd;
 722         u16 pending_pd_config_methods;
 723         enum {
 724                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 725         } pending_pd_use;
 726
 727         /*
 728          * Whether cross connection is disallowed by the AP to which this
 729          * interface is associated (only valid if there is an association).
 730          */
 731         int cross_connect_disallowed;
 732
 733         /*
 734          * Whether this P2P group is configured to use cross connection (only
 735          * valid if this is P2P GO interface). The actual cross connect packet
 736          * forwarding may not be configured depending on the uplink status.
 737          */
 738         int cross_connect_enabled;
 739
 740         /* Whether cross connection forwarding is in use at the moment. */
 741         int cross_connect_in_use;
 742
 743         /*
 744          * Uplink interface name for cross connection
 745          */
 746         char cross_connect_uplink[100];
 747
 748         unsigned int p2p_auto_join:1;
 749         unsigned int p2p_auto_pd:1;
 750         unsigned int p2p_persistent_group:1;
 751         unsigned int p2p_fallback_to_go_neg:1;
 752         unsigned int p2p_pd_before_go_neg:1;
 753         unsigned int p2p_go_ht40:1;
 754         unsigned int p2p_go_vht:1;
 755         unsigned int user_initiated_pd:1;
 756         unsigned int p2p_go_group_formation_completed:1;
 757         unsigned int group_formation_reported:1;
 758         unsigned int waiting_presence_resp;
 759         int p2p_first_connection_timeout;
 760         unsigned int p2p_nfc_tag_enabled:1;
 761         unsigned int p2p_peer_oob_pk_hash_known:1;
 762         unsigned int p2p_disable_ip_addr_req:1;
 763         int p2p_persistent_go_freq;
 764         int p2p_persistent_id;
 765         int p2p_go_intent;
 766         int p2p_connect_freq;
 767         struct os_reltime p2p_auto_started;
 768         struct wpa_ssid *p2p_last_4way_hs_fail;
 769         struct wpa_radio_work *p2p_scan_work;
 770         struct wpa_radio_work *p2p_listen_work;
 771         struct wpa_radio_work *p2p_send_action_work;
 772
 773         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 774         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 775                                         * formation */
 776         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 777         u8 p2p_ip_addr_info[3 * 4];
 778 #endif /* CONFIG_P2P */
 779
 780         struct wpa_ssid *bgscan_ssid;
 781         const struct bgscan_ops *bgscan;
 782         void *bgscan_priv;
 783
 784         const struct autoscan_ops *autoscan;
 785         struct wpa_driver_scan_params *autoscan_params;
 786         void *autoscan_priv;
 787
 788         struct wpa_ssid *connect_without_scan;
 789
 790         struct wps_ap_info *wps_ap;
 791         size_t num_wps_ap;
 792         int wps_ap_iter;
 793
 794         int after_wps;
 795         int known_wps_freq;
 796         unsigned int wps_freq;
 797         int wps_fragment_size;
 798         int auto_reconnect_disabled;
 799
 800          /* Channel preferences for AP/P2P GO use */
 801         int best_24_freq;
 802         int best_5_freq;
 803         int best_overall_freq;
 804
 805         struct gas_query *gas;
 806
 807 #ifdef CONFIG_INTERWORKING
 808         unsigned int fetch_anqp_in_progress:1;
 809         unsigned int network_select:1;
 810         unsigned int auto_select:1;
 811         unsigned int auto_network_select:1;
 812         unsigned int fetch_all_anqp:1;
 813         unsigned int fetch_osu_info:1;
 814         unsigned int fetch_osu_icon_in_progress:1;
 815         struct wpa_bss *interworking_gas_bss;
 816         unsigned int osu_icon_id;
 817         struct osu_provider *osu_prov;
 818         size_t osu_prov_count;
 819         struct os_reltime osu_icon_fetch_start;
 820         unsigned int num_osu_scans;
 821         unsigned int num_prov_found;
 822 #endif /* CONFIG_INTERWORKING */
 823         unsigned int drv_capa_known;
 824
 825         struct {
 826                 struct hostapd_hw_modes *modes;
 827                 u16 num_modes;
 828                 u16 flags;
 829         } hw;
 830 #ifdef CONFIG_MACSEC
 831         struct ieee802_1x_kay *kay;
 832 #endif /* CONFIG_MACSEC */
 833
 834         int pno;
 835         int pno_sched_pending;
 836
 837         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 838         int disconnect_reason;
 839
 840         struct ext_password_data *ext_pw;
 841
 842         struct wpabuf *last_gas_resp, *prev_gas_resp;
 843         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 844         u8 last_gas_dialog_token, prev_gas_dialog_token;
 845
 846         unsigned int no_keep_alive:1;
 847         unsigned int ext_mgmt_frame_handling:1;
 848         unsigned int ext_eapol_frame_io:1;
 849
 850 #ifdef CONFIG_WNM
 851         u8 wnm_dialog_token;
 852         u8 wnm_reply;
 853         u8 wnm_num_neighbor_report;
 854         u8 wnm_mode;
 855         u16 wnm_dissoc_timer;
 856         u8 wnm_validity_interval;
 857         u8 wnm_bss_termination_duration[12];
 858         struct neighbor_report *wnm_neighbor_report_elements;
 859 #endif /* CONFIG_WNM */
 860
 861 #ifdef CONFIG_TESTING_GET_GTK
 862         u8 last_gtk[32];
 863         size_t last_gtk_len;
 864 #endif /* CONFIG_TESTING_GET_GTK */
 865
 866         unsigned int num_multichan_concurrent;
 867         struct wpa_radio_work *connect_work;
 868
 869         unsigned int ext_work_id;
 870
 871         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
 872 };
 873
 874
 875 /* wpa_supplicant.c */
 876 void wpa_supplicant_apply_ht_overrides(
 877         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 878         struct wpa_driver_associate_params *params);
 879 void wpa_supplicant_apply_vht_overrides(
 880         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 881         struct wpa_driver_associate_params *params);
 882
 883 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 884 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 885                                     struct wpa_ssid *ssid);
 886
 887 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 888
 889 const char * wpa_supplicant_state_txt(enum wpa_states state);
 890 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 891 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 892 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 893                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 894                               u8 *wpa_ie, size_t *wpa_ie_len);
 895 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 896                               struct wpa_bss *bss,
 897                               struct wpa_ssid *ssid);
 898 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 899                                        struct wpa_ssid *ssid);
 900 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 901 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 902 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 903                                      int sec, int usec);
 904 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 905 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 906                               enum wpa_states state);
 907 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 908 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 909 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 910 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 911                                    int reason_code);
 912
 913 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 914                                    struct wpa_ssid *ssid);
 915 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 916                                     struct wpa_ssid *ssid);
 917 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 918                                    struct wpa_ssid *ssid);
 919 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
 920                                            const char *pkcs11_engine_path,
 921                                            const char *pkcs11_module_path);
 922 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 923                                int ap_scan);
 924 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 925                                           unsigned int expire_age);
 926 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 927                                             unsigned int expire_count);
 928 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
 929                                      int scan_interval);
 930 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 931                                     int debug_level, int debug_timestamp,
 932                                     int debug_show_keys);
 933 void free_hw_features(struct wpa_supplicant *wpa_s);
 934
 935 void wpa_show_license(void);
 936
 937 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 938                                                  struct wpa_interface *iface);
 939 int wpa_supplicant_remove_iface(struct wpa_global *global,
 940                                 struct wpa_supplicant *wpa_s,
 941                                 int terminate);
 942 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 943                                                  const char *ifname);
 944 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 945 int wpa_supplicant_run(struct wpa_global *global);
 946 void wpa_supplicant_deinit(struct wpa_global *global);
 947
 948 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 949                               struct wpa_ssid *ssid);
 950 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 951 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 952                              const u8 *buf, size_t len);
 953 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 954 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 955 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 956 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
 957 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 958 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
 959 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
 960                               struct wpa_ssid *ssid, int clear_failures);
 961 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
 962 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 963                     size_t ssid_len);
 964 void wpas_request_connection(struct wpa_supplicant *wpa_s);
 965 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
 966 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
 967 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
 968
 969 /**
 970  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
 971  * @wpa_s: Pointer to wpa_supplicant data
 972  * @ssid: Pointer to the network block the reply is for
 973  * @field: field the response is a reply for
 974  * @value: value (ie, password, etc) for @field
 975  * Returns: 0 on success, non-zero on error
 976  *
 977  * Helper function to handle replies to control interface requests.
 978  */
 979 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 980                                               struct wpa_ssid *ssid,
 981                                               const char *field,
 982                                               const char *value);
 983
 984 /* events.c */
 985 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 986 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 987                            struct wpa_bss *selected,
 988                            struct wpa_ssid *ssid);
 989 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
 990 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
 991 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
 992 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
 993 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
 994                                              struct wpa_ssid **selected_ssid);
 995
 996 /* eap_register.c */
 997 int eap_register_methods(void);
 998
 999 /**
1000  * Utility method to tell if a given network is a persistent group
1001  * @ssid: Network object
1002  * Returns: 1 if network is a persistent group, 0 otherwise
1003  */
1004 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1005 {
1006         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1007 }
1008
1009 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1010
1011 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1012
1013 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1014                     struct wpa_used_freq_data *freqs_data,
1015                     unsigned int len);
1016
1017 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1018                                 struct wpa_used_freq_data *freqs_data,
1019                                 unsigned int len);
1020 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1021                            int *freq_array, unsigned int len);
1022
1023 #endif /* WPA_SUPPLICANT_I_H */