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 "wps/wps_defs.h"
  16 #include "config_ssid.h"
  17
  18 extern const char *wpa_supplicant_version;
  19 extern const char *wpa_supplicant_license;
  20 #ifndef CONFIG_NO_STDOUT_DEBUG
  21 extern const char *wpa_supplicant_full_license1;
  22 extern const char *wpa_supplicant_full_license2;
  23 extern const char *wpa_supplicant_full_license3;
  24 extern const char *wpa_supplicant_full_license4;
  25 extern const char *wpa_supplicant_full_license5;
  26 #endif /* CONFIG_NO_STDOUT_DEBUG */
  27
  28 struct wpa_sm;
  29 struct wpa_supplicant;
  30 struct ibss_rsn;
  31 struct scan_info;
  32 struct wpa_bss;
  33 struct wpa_scan_results;
  34 struct hostapd_hw_modes;
  35 struct wpa_driver_associate_params;
  36
  37 /*
  38  * Forward declarations of private structures used within the ctrl_iface
  39  * backends. Other parts of wpa_supplicant do not have access to data stored in
  40  * these structures.
  41  */
  42 struct ctrl_iface_priv;
  43 struct ctrl_iface_global_priv;
  44 struct wpas_dbus_priv;
  45
  46 /**
  47  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  48  */
  49 struct wpa_interface {
  50         /**
  51          * confname - Configuration name (file or profile) name
  52          *
  53          * This can also be %NULL when a configuration file is not used. In
  54          * that case, ctrl_interface must be set to allow the interface to be
  55          * configured.
  56          */
  57         const char *confname;
  58
  59         /**
  60          * confanother - Additional configuration name (file or profile) name
  61          *
  62          * This can also be %NULL when the additional configuration file is not
  63          * used.
  64          */
  65         const char *confanother;
  66
  67 #ifdef CONFIG_P2P
  68         /**
  69          * conf_p2p_dev - Additional configuration file used to hold the
  70          * P2P Device configuration parameters.
  71          *
  72          * This can also be %NULL. In such a case, if a P2P Device dedicated
  73          * interfaces is created, the main configuration file will be used.
  74          */
  75         const char *conf_p2p_dev;
  76 #endif /* CONFIG_P2P */
  77
  78         /**
  79          * ctrl_interface - Control interface parameter
  80          *
  81          * If a configuration file is not used, this variable can be used to
  82          * set the ctrl_interface parameter that would have otherwise been read
  83          * from the configuration file. If both confname and ctrl_interface are
  84          * set, ctrl_interface is used to override the value from configuration
  85          * file.
  86          */
  87         const char *ctrl_interface;
  88
  89         /**
  90          * driver - Driver interface name, or %NULL to use the default driver
  91          */
  92         const char *driver;
  93
  94         /**
  95          * driver_param - Driver interface parameters
  96          *
  97          * If a configuration file is not used, this variable can be used to
  98          * set the driver_param parameters that would have otherwise been read
  99          * from the configuration file. If both confname and driver_param are
 100          * set, driver_param is used to override the value from configuration
 101          * file.
 102          */
 103         const char *driver_param;
 104
 105         /**
 106          * ifname - Interface name
 107          */
 108         const char *ifname;
 109
 110         /**
 111          * bridge_ifname - Optional bridge interface name
 112          *
 113          * If the driver interface (ifname) is included in a Linux bridge
 114          * device, the bridge interface may need to be used for receiving EAPOL
 115          * frames. This can be enabled by setting this variable to enable
 116          * receiving of EAPOL frames from an additional interface.
 117          */
 118         const char *bridge_ifname;
 119
 120         /**
 121          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 122          *
 123          * Indicates whether wpas_p2p_init() must be called for this interface.
 124          * This is used only when the driver supports a dedicated P2P Device
 125          * interface that is not a network interface.
 126          */
 127         int p2p_mgmt;
 128 };
 129
 130 /**
 131  * struct wpa_params - Parameters for wpa_supplicant_init()
 132  */
 133 struct wpa_params {
 134         /**
 135          * daemonize - Run %wpa_supplicant in the background
 136          */
 137         int daemonize;
 138
 139         /**
 140          * wait_for_monitor - Wait for a monitor program before starting
 141          */
 142         int wait_for_monitor;
 143
 144         /**
 145          * pid_file - Path to a PID (process ID) file
 146          *
 147          * If this and daemonize are set, process ID of the background process
 148          * will be written to the specified file.
 149          */
 150         char *pid_file;
 151
 152         /**
 153          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 154          */
 155         int wpa_debug_level;
 156
 157         /**
 158          * wpa_debug_show_keys - Whether keying material is included in debug
 159          *
 160          * This parameter can be used to allow keying material to be included
 161          * in debug messages. This is a security risk and this option should
 162          * not be enabled in normal configuration. If needed during
 163          * development or while troubleshooting, this option can provide more
 164          * details for figuring out what is happening.
 165          */
 166         int wpa_debug_show_keys;
 167
 168         /**
 169          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 170          */
 171         int wpa_debug_timestamp;
 172
 173         /**
 174          * ctrl_interface - Global ctrl_iface path/parameter
 175          */
 176         char *ctrl_interface;
 177
 178         /**
 179          * ctrl_interface_group - Global ctrl_iface group
 180          */
 181         char *ctrl_interface_group;
 182
 183         /**
 184          * dbus_ctrl_interface - Enable the DBus control interface
 185          */
 186         int dbus_ctrl_interface;
 187
 188         /**
 189          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 190          */
 191         const char *wpa_debug_file_path;
 192
 193         /**
 194          * wpa_debug_syslog - Enable log output through syslog
 195          */
 196         int wpa_debug_syslog;
 197
 198         /**
 199          * wpa_debug_tracing - Enable log output through Linux tracing
 200          */
 201         int wpa_debug_tracing;
 202
 203         /**
 204          * override_driver - Optional driver parameter override
 205          *
 206          * This parameter can be used to override the driver parameter in
 207          * dynamic interface addition to force a specific driver wrapper to be
 208          * used instead.
 209          */
 210         char *override_driver;
 211
 212         /**
 213          * override_ctrl_interface - Optional ctrl_interface override
 214          *
 215          * This parameter can be used to override the ctrl_interface parameter
 216          * in dynamic interface addition to force a control interface to be
 217          * created.
 218          */
 219         char *override_ctrl_interface;
 220
 221         /**
 222          * entropy_file - Optional entropy file
 223          *
 224          * This parameter can be used to configure wpa_supplicant to maintain
 225          * its internal entropy store over restarts.
 226          */
 227         char *entropy_file;
 228 };
 229
 230 struct p2p_srv_bonjour {
 231         struct dl_list list;
 232         struct wpabuf *query;
 233         struct wpabuf *resp;
 234 };
 235
 236 struct p2p_srv_upnp {
 237         struct dl_list list;
 238         u8 version;
 239         char *service;
 240 };
 241
 242 /**
 243  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 244  *
 245  * This structure is initialized by calling wpa_supplicant_init() when starting
 246  * %wpa_supplicant.
 247  */
 248 struct wpa_global {
 249         struct wpa_supplicant *ifaces;
 250         struct wpa_params params;
 251         struct ctrl_iface_global_priv *ctrl_iface;
 252         struct wpas_dbus_priv *dbus;
 253         void **drv_priv;
 254         size_t drv_count;
 255         struct os_time suspend_time;
 256         struct p2p_data *p2p;
 257         struct wpa_supplicant *p2p_init_wpa_s;
 258         struct wpa_supplicant *p2p_group_formation;
 259         struct wpa_supplicant *p2p_invite_group;
 260         u8 p2p_dev_addr[ETH_ALEN];
 261         struct os_reltime p2p_go_wait_client;
 262         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 263         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 264         int p2p_disabled;
 265         int cross_connection;
 266         struct wpa_freq_range_list p2p_disallow_freq;
 267         struct wpa_freq_range_list p2p_go_avoid_freq;
 268         enum wpa_conc_pref {
 269                 WPA_CONC_PREF_NOT_SET,
 270                 WPA_CONC_PREF_STA,
 271                 WPA_CONC_PREF_P2P
 272         } conc_pref;
 273         unsigned int p2p_per_sta_psk:1;
 274         unsigned int p2p_fail_on_wps_complete:1;
 275
 276 #ifdef CONFIG_WIFI_DISPLAY
 277         int wifi_display;
 278 #define MAX_WFD_SUBELEMS 10
 279         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 280 #endif /* CONFIG_WIFI_DISPLAY */
 281
 282         struct psk_list_entry *add_psk; /* From group formation */
 283 };
 284
 285
 286 /**
 287  * struct wpa_radio - Internal data for per-radio information
 288  *
 289  * This structure is used to share data about configured interfaces
 290  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 291  * better coordination of offchannel operations.
 292  */
 293 struct wpa_radio {
 294         char name[16]; /* from driver_ops get_radio_name() or empty if not
 295                         * available */
 296         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 297         struct dl_list work; /* struct wpa_radio_work::list entries */
 298 };
 299
 300 /**
 301  * struct wpa_radio_work - Radio work item
 302  */
 303 struct wpa_radio_work {
 304         struct dl_list list;
 305         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 306         const char *type;
 307         struct wpa_supplicant *wpa_s;
 308         void (*cb)(struct wpa_radio_work *work, int deinit);
 309         void *ctx;
 310         unsigned int started:1;
 311         struct os_reltime time;
 312 };
 313
 314 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 315                    const char *type, int next,
 316                    void (*cb)(struct wpa_radio_work *work, int deinit),
 317                    void *ctx);
 318 void radio_work_done(struct wpa_radio_work *work);
 319 void radio_remove_works(struct wpa_supplicant *wpa_s,
 320                         const char *type, int remove_all);
 321 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 322 int radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 323
 324 struct wpa_connect_work {
 325         unsigned int sme:1;
 326         struct wpa_bss *bss;
 327         struct wpa_ssid *ssid;
 328 };
 329
 330 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 331                         struct wpa_ssid *test_ssid);
 332 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 333 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 334
 335 struct wpa_external_work {
 336         unsigned int id;
 337         char type[100];
 338         unsigned int timeout;
 339 };
 340
 341 /**
 342  * offchannel_send_action_result - Result of offchannel send Action frame
 343  */
 344 enum offchannel_send_action_result {
 345         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 346         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 347                                        */,
 348         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 349                                        */
 350 };
 351
 352 struct wps_ap_info {
 353         u8 bssid[ETH_ALEN];
 354         enum wps_ap_info_type {
 355                 WPS_AP_NOT_SEL_REG,
 356                 WPS_AP_SEL_REG,
 357                 WPS_AP_SEL_REG_OUR
 358         } type;
 359         unsigned int tries;
 360         struct os_reltime last_attempt;
 361 };
 362
 363 struct wpa_ssid_value {
 364         u8 ssid[32];
 365         size_t ssid_len;
 366 };
 367
 368 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 369 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 370
 371 struct wpa_used_freq_data {
 372         int freq;
 373         unsigned int flags;
 374 };
 375
 376 /**
 377  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 378  *
 379  * This structure contains the internal data for core wpa_supplicant code. This
 380  * should be only used directly from the core code. However, a pointer to this
 381  * data is used from other files as an arbitrary context pointer in calls to
 382  * core functions.
 383  */
 384 struct wpa_supplicant {
 385         struct wpa_global *global;
 386         struct wpa_radio *radio; /* shared radio context */
 387         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 388         struct wpa_supplicant *parent;
 389         struct wpa_supplicant *next;
 390         struct l2_packet_data *l2;
 391         struct l2_packet_data *l2_br;
 392         unsigned char own_addr[ETH_ALEN];
 393         char ifname[100];
 394 #ifdef CONFIG_CTRL_IFACE_DBUS
 395         char *dbus_path;
 396 #endif /* CONFIG_CTRL_IFACE_DBUS */
 397 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 398         char *dbus_new_path;
 399         char *dbus_groupobj_path;
 400 #ifdef CONFIG_AP
 401         char *preq_notify_peer;
 402 #endif /* CONFIG_AP */
 403 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 404         char bridge_ifname[16];
 405
 406         char *confname;
 407         char *confanother;
 408
 409 #ifdef CONFIG_P2P
 410         char *conf_p2p_dev;
 411 #endif /* CONFIG_P2P */
 412
 413         struct wpa_config *conf;
 414         int countermeasures;
 415         struct os_reltime last_michael_mic_error;
 416         u8 bssid[ETH_ALEN];
 417         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 418                                      * field contains the target BSSID. */
 419         int reassociate; /* reassociation requested */
 420         int disconnected; /* all connections disabled; i.e., do no reassociate
 421                            * before this has been cleared */
 422         struct wpa_ssid *current_ssid;
 423         struct wpa_bss *current_bss;
 424         int ap_ies_from_associnfo;
 425         unsigned int assoc_freq;
 426
 427         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 428         int pairwise_cipher;
 429         int group_cipher;
 430         int key_mgmt;
 431         int wpa_proto;
 432         int mgmt_group_cipher;
 433
 434         void *drv_priv; /* private data used by driver_ops */
 435         void *global_drv_priv;
 436
 437         u8 *bssid_filter;
 438         size_t bssid_filter_count;
 439
 440         u8 *disallow_aps_bssid;
 441         size_t disallow_aps_bssid_count;
 442         struct wpa_ssid_value *disallow_aps_ssid;
 443         size_t disallow_aps_ssid_count;
 444
 445         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 446
 447         /* Preferred network for the next connection attempt */
 448         struct wpa_ssid *next_ssid;
 449
 450         /* previous scan was wildcard when interleaving between
 451          * wildcard scans and specific SSID scan when max_ssids=1 */
 452         int prev_scan_wildcard;
 453         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 454                                           * NULL = not yet initialized (start
 455                                           * with wildcard SSID)
 456                                           * WILDCARD_SSID_SCAN = wildcard
 457                                           * SSID was used in the previous scan
 458                                           */
 459 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 460
 461         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 462         int sched_scan_timeout;
 463         int sched_scan_interval;
 464         int first_sched_scan;
 465         int sched_scan_timed_out;
 466
 467         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 468                                  struct wpa_scan_results *scan_res);
 469         struct dl_list bss; /* struct wpa_bss::list */
 470         struct dl_list bss_id; /* struct wpa_bss::list_id */
 471         size_t num_bss;
 472         unsigned int bss_update_idx;
 473         unsigned int bss_next_id;
 474
 475          /*
 476           * Pointers to BSS entries in the order they were in the last scan
 477           * results.
 478           */
 479         struct wpa_bss **last_scan_res;
 480         unsigned int last_scan_res_used;
 481         unsigned int last_scan_res_size;
 482         struct os_reltime last_scan;
 483
 484         struct wpa_driver_ops *driver;
 485         int interface_removed; /* whether the network interface has been
 486                                 * removed */
 487         struct wpa_sm *wpa;
 488         struct eapol_sm *eapol;
 489
 490         struct ctrl_iface_priv *ctrl_iface;
 491
 492         enum wpa_states wpa_state;
 493         struct wpa_radio_work *scan_work;
 494         int scanning;
 495         int sched_scanning;
 496         int new_connection;
 497
 498         int eapol_received; /* number of EAPOL packets received after the
 499                              * previous association event */
 500
 501         struct scard_data *scard;
 502         char imsi[20];
 503         int mnc_len;
 504
 505         unsigned char last_eapol_src[ETH_ALEN];
 506
 507         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 508                                     * known not to be configured with a key */
 509
 510         struct wpa_blacklist *blacklist;
 511
 512         /**
 513          * extra_blacklist_count - Sum of blacklist counts after last connection
 514          *
 515          * This variable is used to maintain a count of temporary blacklisting
 516          * failures (maximum number for any BSS) over blacklist clear
 517          * operations. This is needed for figuring out whether there has been
 518          * failures prior to the last blacklist clear operation which happens
 519          * whenever no other not-blacklisted BSS candidates are available. This
 520          * gets cleared whenever a connection has been established successfully.
 521          */
 522         int extra_blacklist_count;
 523
 524         /**
 525          * scan_req - Type of the scan request
 526          */
 527         enum scan_req_type {
 528                 /**
 529                  * NORMAL_SCAN_REQ - Normal scan request
 530                  *
 531                  * This is used for scans initiated by wpa_supplicant to find an
 532                  * AP for a connection.
 533                  */
 534                 NORMAL_SCAN_REQ,
 535
 536                 /**
 537                  * INITIAL_SCAN_REQ - Initial scan request
 538                  *
 539                  * This is used for the first scan on an interface to force at
 540                  * least one scan to be run even if the configuration does not
 541                  * include any enabled networks.
 542                  */
 543                 INITIAL_SCAN_REQ,
 544
 545                 /**
 546                  * MANUAL_SCAN_REQ - Manual scan request
 547                  *
 548                  * This is used for scans where the user request a scan or
 549                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 550                  * to be run.
 551                  */
 552                 MANUAL_SCAN_REQ
 553         } scan_req, last_scan_req;
 554         struct os_reltime scan_trigger_time, scan_start_time;
 555         int scan_runs; /* number of scan runs since WPS was started */
 556         int *next_scan_freqs;
 557         int *manual_scan_freqs;
 558         int *manual_sched_scan_freqs;
 559         unsigned int manual_scan_passive:1;
 560         unsigned int manual_scan_use_id:1;
 561         unsigned int manual_scan_only_new:1;
 562         unsigned int own_scan_requested:1;
 563         unsigned int own_scan_running:1;
 564         unsigned int external_scan_running:1;
 565         unsigned int clear_driver_scan_cache:1;
 566         unsigned int manual_scan_id;
 567         int scan_interval; /* time in sec between scans to find suitable AP */
 568         int normal_scans; /* normal scans run before sched_scan */
 569         int scan_for_connection; /* whether the scan request was triggered for
 570                                   * finding a connection */
 571 #define MAX_SCAN_ID 16
 572         int scan_id[MAX_SCAN_ID];
 573         unsigned int scan_id_count;
 574
 575         unsigned int drv_flags;
 576         unsigned int drv_enc;
 577
 578         /*
 579          * A bitmap of supported protocols for probe response offload. See
 580          * struct wpa_driver_capa in driver.h
 581          */
 582         unsigned int probe_resp_offloads;
 583
 584         /* extended capabilities supported by the driver */
 585         const u8 *extended_capa, *extended_capa_mask;
 586         unsigned int extended_capa_len;
 587
 588         int max_scan_ssids;
 589         int max_sched_scan_ssids;
 590         int sched_scan_supported;
 591         unsigned int max_match_sets;
 592         unsigned int max_remain_on_chan;
 593         unsigned int max_stations;
 594
 595         int pending_mic_error_report;
 596         int pending_mic_error_pairwise;
 597         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 598
 599         struct wps_context *wps;
 600         int wps_success; /* WPS success event received */
 601         struct wps_er *wps_er;
 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
 611         struct ibss_rsn *ibss_rsn;
 612
 613         int set_sta_uapsd;
 614         int sta_uapsd;
 615         int set_ap_uapsd;
 616         int ap_uapsd;
 617
 618 #ifdef CONFIG_SME
 619         struct {
 620                 u8 ssid[32];
 621                 size_t ssid_len;
 622                 int freq;
 623                 u8 assoc_req_ie[200];
 624                 size_t assoc_req_ie_len;
 625                 int mfp;
 626                 int ft_used;
 627                 u8 mobility_domain[2];
 628                 u8 *ft_ies;
 629                 size_t ft_ies_len;
 630                 u8 prev_bssid[ETH_ALEN];
 631                 int prev_bssid_set;
 632                 int auth_alg;
 633                 int proto;
 634
 635                 int sa_query_count; /* number of pending SA Query requests;
 636                                      * 0 = no SA Query in progress */
 637                 int sa_query_timed_out;
 638                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 639                                         * sa_query_count octets of pending
 640                                         * SA Query transaction identifiers */
 641                 struct os_reltime sa_query_start;
 642                 struct os_reltime last_unprot_disconnect;
 643                 u8 sched_obss_scan;
 644                 u16 obss_scan_int;
 645                 u16 bss_max_idle_period;
 646 #ifdef CONFIG_SAE
 647                 struct sae_data sae;
 648                 struct wpabuf *sae_token;
 649                 int sae_group_index;
 650 #endif /* CONFIG_SAE */
 651         } sme;
 652 #endif /* CONFIG_SME */
 653
 654 #ifdef CONFIG_AP
 655         struct hostapd_iface *ap_iface;
 656         void (*ap_configured_cb)(void *ctx, void *data);
 657         void *ap_configured_cb_ctx;
 658         void *ap_configured_cb_data;
 659 #endif /* CONFIG_AP */
 660
 661         unsigned int off_channel_freq;
 662         struct wpabuf *pending_action_tx;
 663         u8 pending_action_src[ETH_ALEN];
 664         u8 pending_action_dst[ETH_ALEN];
 665         u8 pending_action_bssid[ETH_ALEN];
 666         unsigned int pending_action_freq;
 667         int pending_action_no_cck;
 668         int pending_action_without_roc;
 669         unsigned int pending_action_tx_done:1;
 670         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 671                                             unsigned int freq, const u8 *dst,
 672                                             const u8 *src, const u8 *bssid,
 673                                             const u8 *data, size_t data_len,
 674                                             enum offchannel_send_action_result
 675                                             result);
 676         unsigned int roc_waiting_drv_freq;
 677         int action_tx_wait_time;
 678
 679         int p2p_mgmt;
 680
 681 #ifdef CONFIG_P2P
 682         struct p2p_go_neg_results *go_params;
 683         int create_p2p_iface;
 684         u8 pending_interface_addr[ETH_ALEN];
 685         char pending_interface_name[100];
 686         int pending_interface_type;
 687         int p2p_group_idx;
 688         unsigned int pending_listen_freq;
 689         unsigned int pending_listen_duration;
 690         enum {
 691                 NOT_P2P_GROUP_INTERFACE,
 692                 P2P_GROUP_INTERFACE_PENDING,
 693                 P2P_GROUP_INTERFACE_GO,
 694                 P2P_GROUP_INTERFACE_CLIENT
 695         } p2p_group_interface;
 696         struct p2p_group *p2p_group;
 697         int p2p_long_listen; /* remaining time in long Listen state in ms */
 698         char p2p_pin[10];
 699         int p2p_wps_method;
 700         u8 p2p_auth_invite[ETH_ALEN];
 701         int p2p_sd_over_ctrl_iface;
 702         int p2p_in_provisioning;
 703         int p2p_in_invitation;
 704         int p2p_invite_go_freq;
 705         int pending_invite_ssid_id;
 706         int show_group_started;
 707         u8 go_dev_addr[ETH_ALEN];
 708         int pending_pd_before_join;
 709         u8 pending_join_iface_addr[ETH_ALEN];
 710         u8 pending_join_dev_addr[ETH_ALEN];
 711         int pending_join_wps_method;
 712         u8 p2p_join_ssid[32];
 713         size_t p2p_join_ssid_len;
 714         int p2p_join_scan_count;
 715         int auto_pd_scan_retry;
 716         int force_long_sd;
 717         u16 pending_pd_config_methods;
 718         enum {
 719                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 720         } pending_pd_use;
 721
 722         /*
 723          * Whether cross connection is disallowed by the AP to which this
 724          * interface is associated (only valid if there is an association).
 725          */
 726         int cross_connect_disallowed;
 727
 728         /*
 729          * Whether this P2P group is configured to use cross connection (only
 730          * valid if this is P2P GO interface). The actual cross connect packet
 731          * forwarding may not be configured depending on the uplink status.
 732          */
 733         int cross_connect_enabled;
 734
 735         /* Whether cross connection forwarding is in use at the moment. */
 736         int cross_connect_in_use;
 737
 738         /*
 739          * Uplink interface name for cross connection
 740          */
 741         char cross_connect_uplink[100];
 742
 743         unsigned int p2p_auto_join:1;
 744         unsigned int p2p_auto_pd:1;
 745         unsigned int p2p_persistent_group:1;
 746         unsigned int p2p_fallback_to_go_neg:1;
 747         unsigned int p2p_pd_before_go_neg:1;
 748         unsigned int p2p_go_ht40:1;
 749         unsigned int p2p_go_vht:1;
 750         unsigned int user_initiated_pd:1;
 751         unsigned int p2p_go_group_formation_completed:1;
 752         unsigned int waiting_presence_resp;
 753         int p2p_first_connection_timeout;
 754         unsigned int p2p_nfc_tag_enabled:1;
 755         unsigned int p2p_peer_oob_pk_hash_known:1;
 756         unsigned int p2p_disable_ip_addr_req:1;
 757         int p2p_persistent_go_freq;
 758         int p2p_persistent_id;
 759         int p2p_go_intent;
 760         int p2p_connect_freq;
 761         struct os_reltime p2p_auto_started;
 762         struct wpa_ssid *p2p_last_4way_hs_fail;
 763         struct wpa_radio_work *p2p_scan_work;
 764         struct wpa_radio_work *p2p_listen_work;
 765         struct wpa_radio_work *p2p_send_action_work;
 766
 767         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 768         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 769                                         * formation */
 770         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 771         u8 p2p_ip_addr_info[3 * 4];
 772 #endif /* CONFIG_P2P */
 773
 774         struct wpa_ssid *bgscan_ssid;
 775         const struct bgscan_ops *bgscan;
 776         void *bgscan_priv;
 777
 778         const struct autoscan_ops *autoscan;
 779         struct wpa_driver_scan_params *autoscan_params;
 780         void *autoscan_priv;
 781
 782         struct wpa_ssid *connect_without_scan;
 783
 784         struct wps_ap_info *wps_ap;
 785         size_t num_wps_ap;
 786         int wps_ap_iter;
 787
 788         int after_wps;
 789         int known_wps_freq;
 790         unsigned int wps_freq;
 791         int wps_fragment_size;
 792         int auto_reconnect_disabled;
 793
 794          /* Channel preferences for AP/P2P GO use */
 795         int best_24_freq;
 796         int best_5_freq;
 797         int best_overall_freq;
 798
 799         struct gas_query *gas;
 800
 801 #ifdef CONFIG_INTERWORKING
 802         unsigned int fetch_anqp_in_progress:1;
 803         unsigned int network_select:1;
 804         unsigned int auto_select:1;
 805         unsigned int auto_network_select:1;
 806         unsigned int fetch_all_anqp:1;
 807         unsigned int fetch_osu_info:1;
 808         unsigned int fetch_osu_icon_in_progress:1;
 809         struct wpa_bss *interworking_gas_bss;
 810         unsigned int osu_icon_id;
 811         struct osu_provider *osu_prov;
 812         size_t osu_prov_count;
 813         struct os_reltime osu_icon_fetch_start;
 814         unsigned int num_osu_scans;
 815         unsigned int num_prov_found;
 816 #endif /* CONFIG_INTERWORKING */
 817         unsigned int drv_capa_known;
 818
 819         struct {
 820                 struct hostapd_hw_modes *modes;
 821                 u16 num_modes;
 822                 u16 flags;
 823         } hw;
 824 #ifdef CONFIG_MACSEC
 825         struct ieee802_1x_kay *kay;
 826 #endif /* CONFIG_MACSEC */
 827
 828         int pno;
 829         int pno_sched_pending;
 830
 831         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 832         int disconnect_reason;
 833
 834         struct ext_password_data *ext_pw;
 835
 836         struct wpabuf *last_gas_resp, *prev_gas_resp;
 837         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 838         u8 last_gas_dialog_token, prev_gas_dialog_token;
 839
 840         unsigned int no_keep_alive:1;
 841         unsigned int ext_mgmt_frame_handling:1;
 842
 843 #ifdef CONFIG_WNM
 844         u8 wnm_dialog_token;
 845         u8 wnm_reply;
 846         u8 wnm_num_neighbor_report;
 847         u8 wnm_mode;
 848         u16 wnm_dissoc_timer;
 849         u8 wnm_validity_interval;
 850         u8 wnm_bss_termination_duration[12];
 851         struct neighbor_report *wnm_neighbor_report_elements;
 852 #endif /* CONFIG_WNM */
 853
 854 #ifdef CONFIG_TESTING_GET_GTK
 855         u8 last_gtk[32];
 856         size_t last_gtk_len;
 857 #endif /* CONFIG_TESTING_GET_GTK */
 858
 859         unsigned int num_multichan_concurrent;
 860         struct wpa_radio_work *connect_work;
 861
 862         unsigned int ext_work_id;
 863 };
 864
 865
 866 /* wpa_supplicant.c */
 867 void wpa_supplicant_apply_ht_overrides(
 868         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 869         struct wpa_driver_associate_params *params);
 870 void wpa_supplicant_apply_vht_overrides(
 871         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 872         struct wpa_driver_associate_params *params);
 873
 874 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 875 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 876                                     struct wpa_ssid *ssid);
 877
 878 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 879
 880 const char * wpa_supplicant_state_txt(enum wpa_states state);
 881 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 882 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 883 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 884                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 885                               u8 *wpa_ie, size_t *wpa_ie_len);
 886 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 887                               struct wpa_bss *bss,
 888                               struct wpa_ssid *ssid);
 889 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 890                                        struct wpa_ssid *ssid);
 891 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 892 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 893 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 894                                      int sec, int usec);
 895 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 896 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 897                               enum wpa_states state);
 898 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 899 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 900 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 901 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 902                                    int reason_code);
 903
 904 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 905                                    struct wpa_ssid *ssid);
 906 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 907                                     struct wpa_ssid *ssid);
 908 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 909                                    struct wpa_ssid *ssid);
 910 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
 911                                            const char *pkcs11_engine_path,
 912                                            const char *pkcs11_module_path);
 913 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 914                                int ap_scan);
 915 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 916                                           unsigned int expire_age);
 917 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 918                                             unsigned int expire_count);
 919 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
 920                                      int scan_interval);
 921 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 922                                     int debug_level, int debug_timestamp,
 923                                     int debug_show_keys);
 924 void free_hw_features(struct wpa_supplicant *wpa_s);
 925
 926 void wpa_show_license(void);
 927
 928 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 929                                                  struct wpa_interface *iface);
 930 int wpa_supplicant_remove_iface(struct wpa_global *global,
 931                                 struct wpa_supplicant *wpa_s,
 932                                 int terminate);
 933 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 934                                                  const char *ifname);
 935 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 936 int wpa_supplicant_run(struct wpa_global *global);
 937 void wpa_supplicant_deinit(struct wpa_global *global);
 938
 939 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 940                               struct wpa_ssid *ssid);
 941 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 942 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 943                              const u8 *buf, size_t len);
 944 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 945 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 946 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 947 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
 948 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 949 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
 950 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
 951                               struct wpa_ssid *ssid, int clear_failures);
 952 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
 953 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 954                     size_t ssid_len);
 955 void wpas_request_connection(struct wpa_supplicant *wpa_s);
 956 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
 957
 958 /**
 959  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
 960  * @wpa_s: Pointer to wpa_supplicant data
 961  * @ssid: Pointer to the network block the reply is for
 962  * @field: field the response is a reply for
 963  * @value: value (ie, password, etc) for @field
 964  * Returns: 0 on success, non-zero on error
 965  *
 966  * Helper function to handle replies to control interface requests.
 967  */
 968 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
 969                                               struct wpa_ssid *ssid,
 970                                               const char *field,
 971                                               const char *value);
 972
 973 /* events.c */
 974 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 975 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 976                            struct wpa_bss *selected,
 977                            struct wpa_ssid *ssid);
 978 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
 979 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
 980 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
 981 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
 982 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
 983                                              struct wpa_ssid **selected_ssid);
 984
 985 /* eap_register.c */
 986 int eap_register_methods(void);
 987
 988 /**
 989  * Utility method to tell if a given network is a persistent group
 990  * @ssid: Network object
 991  * Returns: 1 if network is a persistent group, 0 otherwise
 992  */
 993 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
 994 {
 995         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
 996 }
 997
 998 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 999
1000 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1001
1002 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1003                     struct wpa_used_freq_data *freqs_data,
1004                     unsigned int len);
1005
1006 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1007                                 struct wpa_used_freq_data *freqs_data,
1008                                 unsigned int len);
1009 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1010                            int *freq_array, unsigned int len);
1011
1012 #endif /* WPA_SUPPLICANT_I_H */