wpa_supplicant/wpa_supplicant_i.h

   1 /*
   2  * wpa_supplicant - Internal definitions
   3  * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef WPA_SUPPLICANT_I_H
  10 #define WPA_SUPPLICANT_I_H
  11
  12 #include "utils/list.h"
  13 #include "common/defs.h"
  14 #include "common/sae.h"
  15 #include "common/wpa_ctrl.h"
  16 #include "wps/wps_defs.h"
  17 #include "config_ssid.h"
  18 #include "wmm_ac.h"
  19
  20 extern const char *wpa_supplicant_version;
  21 extern const char *wpa_supplicant_license;
  22 #ifndef CONFIG_NO_STDOUT_DEBUG
  23 extern const char *wpa_supplicant_full_license1;
  24 extern const char *wpa_supplicant_full_license2;
  25 extern const char *wpa_supplicant_full_license3;
  26 extern const char *wpa_supplicant_full_license4;
  27 extern const char *wpa_supplicant_full_license5;
  28 #endif /* CONFIG_NO_STDOUT_DEBUG */
  29
  30 struct wpa_sm;
  31 struct wpa_supplicant;
  32 struct ibss_rsn;
  33 struct scan_info;
  34 struct wpa_bss;
  35 struct wpa_scan_results;
  36 struct hostapd_hw_modes;
  37 struct wpa_driver_associate_params;
  38
  39 /*
  40  * Forward declarations of private structures used within the ctrl_iface
  41  * backends. Other parts of wpa_supplicant do not have access to data stored in
  42  * these structures.
  43  */
  44 struct ctrl_iface_priv;
  45 struct ctrl_iface_global_priv;
  46 struct wpas_dbus_priv;
  47
  48 /**
  49  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  50  */
  51 struct wpa_interface {
  52         /**
  53          * confname - Configuration name (file or profile) name
  54          *
  55          * This can also be %NULL when a configuration file is not used. In
  56          * that case, ctrl_interface must be set to allow the interface to be
  57          * configured.
  58          */
  59         const char *confname;
  60
  61         /**
  62          * confanother - Additional configuration name (file or profile) name
  63          *
  64          * This can also be %NULL when the additional configuration file is not
  65          * used.
  66          */
  67         const char *confanother;
  68
  69 #ifdef CONFIG_P2P
  70         /**
  71          * conf_p2p_dev - Configuration file used to hold the
  72          * P2P Device configuration parameters.
  73          *
  74          * This can also be %NULL. In such a case, if a P2P Device dedicated
  75          * interfaces is created, the main configuration file will be used.
  76          */
  77         const char *conf_p2p_dev;
  78 #endif /* CONFIG_P2P */
  79
  80         /**
  81          * ctrl_interface - Control interface parameter
  82          *
  83          * If a configuration file is not used, this variable can be used to
  84          * set the ctrl_interface parameter that would have otherwise been read
  85          * from the configuration file. If both confname and ctrl_interface are
  86          * set, ctrl_interface is used to override the value from configuration
  87          * file.
  88          */
  89         const char *ctrl_interface;
  90
  91         /**
  92          * driver - Driver interface name, or %NULL to use the default driver
  93          */
  94         const char *driver;
  95
  96         /**
  97          * driver_param - Driver interface parameters
  98          *
  99          * If a configuration file is not used, this variable can be used to
 100          * set the driver_param parameters that would have otherwise been read
 101          * from the configuration file. If both confname and driver_param are
 102          * set, driver_param is used to override the value from configuration
 103          * file.
 104          */
 105         const char *driver_param;
 106
 107         /**
 108          * ifname - Interface name
 109          */
 110         const char *ifname;
 111
 112         /**
 113          * bridge_ifname - Optional bridge interface name
 114          *
 115          * If the driver interface (ifname) is included in a Linux bridge
 116          * device, the bridge interface may need to be used for receiving EAPOL
 117          * frames. This can be enabled by setting this variable to enable
 118          * receiving of EAPOL frames from an additional interface.
 119          */
 120         const char *bridge_ifname;
 121
 122         /**
 123          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 124          *
 125          * Indicates whether wpas_p2p_init() must be called for this interface.
 126          * This is used only when the driver supports a dedicated P2P Device
 127          * interface that is not a network interface.
 128          */
 129         int p2p_mgmt;
 130 };
 131
 132 /**
 133  * struct wpa_params - Parameters for wpa_supplicant_init()
 134  */
 135 struct wpa_params {
 136         /**
 137          * daemonize - Run %wpa_supplicant in the background
 138          */
 139         int daemonize;
 140
 141         /**
 142          * wait_for_monitor - Wait for a monitor program before starting
 143          */
 144         int wait_for_monitor;
 145
 146         /**
 147          * pid_file - Path to a PID (process ID) file
 148          *
 149          * If this and daemonize are set, process ID of the background process
 150          * will be written to the specified file.
 151          */
 152         char *pid_file;
 153
 154         /**
 155          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 156          */
 157         int wpa_debug_level;
 158
 159         /**
 160          * wpa_debug_show_keys - Whether keying material is included in debug
 161          *
 162          * This parameter can be used to allow keying material to be included
 163          * in debug messages. This is a security risk and this option should
 164          * not be enabled in normal configuration. If needed during
 165          * development or while troubleshooting, this option can provide more
 166          * details for figuring out what is happening.
 167          */
 168         int wpa_debug_show_keys;
 169
 170         /**
 171          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 172          */
 173         int wpa_debug_timestamp;
 174
 175         /**
 176          * ctrl_interface - Global ctrl_iface path/parameter
 177          */
 178         char *ctrl_interface;
 179
 180         /**
 181          * ctrl_interface_group - Global ctrl_iface group
 182          */
 183         char *ctrl_interface_group;
 184
 185         /**
 186          * dbus_ctrl_interface - Enable the DBus control interface
 187          */
 188         int dbus_ctrl_interface;
 189
 190         /**
 191          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 192          */
 193         const char *wpa_debug_file_path;
 194
 195         /**
 196          * wpa_debug_syslog - Enable log output through syslog
 197          */
 198         int wpa_debug_syslog;
 199
 200         /**
 201          * wpa_debug_tracing - Enable log output through Linux tracing
 202          */
 203         int wpa_debug_tracing;
 204
 205         /**
 206          * override_driver - Optional driver parameter override
 207          *
 208          * This parameter can be used to override the driver parameter in
 209          * dynamic interface addition to force a specific driver wrapper to be
 210          * used instead.
 211          */
 212         char *override_driver;
 213
 214         /**
 215          * override_ctrl_interface - Optional ctrl_interface override
 216          *
 217          * This parameter can be used to override the ctrl_interface parameter
 218          * in dynamic interface addition to force a control interface to be
 219          * created.
 220          */
 221         char *override_ctrl_interface;
 222
 223         /**
 224          * entropy_file - Optional entropy file
 225          *
 226          * This parameter can be used to configure wpa_supplicant to maintain
 227          * its internal entropy store over restarts.
 228          */
 229         char *entropy_file;
 230 };
 231
 232 struct p2p_srv_bonjour {
 233         struct dl_list list;
 234         struct wpabuf *query;
 235         struct wpabuf *resp;
 236 };
 237
 238 struct p2p_srv_upnp {
 239         struct dl_list list;
 240         u8 version;
 241         char *service;
 242 };
 243
 244 /**
 245  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 246  *
 247  * This structure is initialized by calling wpa_supplicant_init() when starting
 248  * %wpa_supplicant.
 249  */
 250 struct wpa_global {
 251         struct wpa_supplicant *ifaces;
 252         struct wpa_params params;
 253         struct ctrl_iface_global_priv *ctrl_iface;
 254         struct wpas_dbus_priv *dbus;
 255         void **drv_priv;
 256         size_t drv_count;
 257         struct os_time suspend_time;
 258         struct p2p_data *p2p;
 259         struct wpa_supplicant *p2p_init_wpa_s;
 260         struct wpa_supplicant *p2p_group_formation;
 261         struct wpa_supplicant *p2p_invite_group;
 262         u8 p2p_dev_addr[ETH_ALEN];
 263         struct os_reltime p2p_go_wait_client;
 264         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 265         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 266         int p2p_disabled;
 267         int cross_connection;
 268         struct wpa_freq_range_list p2p_disallow_freq;
 269         struct wpa_freq_range_list p2p_go_avoid_freq;
 270         enum wpa_conc_pref {
 271                 WPA_CONC_PREF_NOT_SET,
 272                 WPA_CONC_PREF_STA,
 273                 WPA_CONC_PREF_P2P
 274         } conc_pref;
 275         unsigned int p2p_per_sta_psk:1;
 276         unsigned int p2p_fail_on_wps_complete:1;
 277         unsigned int p2p_24ghz_social_channels:1;
 278
 279 #ifdef CONFIG_WIFI_DISPLAY
 280         int wifi_display;
 281 #define MAX_WFD_SUBELEMS 10
 282         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 283 #endif /* CONFIG_WIFI_DISPLAY */
 284
 285         struct psk_list_entry *add_psk; /* From group formation */
 286 };
 287
 288
 289 /**
 290  * struct wpa_radio - Internal data for per-radio information
 291  *
 292  * This structure is used to share data about configured interfaces
 293  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 294  * better coordination of offchannel operations.
 295  */
 296 struct wpa_radio {
 297         char name[16]; /* from driver_ops get_radio_name() or empty if not
 298                         * available */
 299         unsigned int external_scan_running:1;
 300         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 301         struct dl_list work; /* struct wpa_radio_work::list entries */
 302 };
 303
 304 /**
 305  * struct wpa_radio_work - Radio work item
 306  */
 307 struct wpa_radio_work {
 308         struct dl_list list;
 309         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 310         const char *type;
 311         struct wpa_supplicant *wpa_s;
 312         void (*cb)(struct wpa_radio_work *work, int deinit);
 313         void *ctx;
 314         unsigned int started:1;
 315         struct os_reltime time;
 316 };
 317
 318 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 319                    const char *type, int next,
 320                    void (*cb)(struct wpa_radio_work *work, int deinit),
 321                    void *ctx);
 322 void radio_work_done(struct wpa_radio_work *work);
 323 void radio_remove_works(struct wpa_supplicant *wpa_s,
 324                         const char *type, int remove_all);
 325 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 326 struct wpa_radio_work *
 327 radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 328
 329 struct wpa_connect_work {
 330         unsigned int sme:1;
 331         unsigned int bss_removed:1;
 332         struct wpa_bss *bss;
 333         struct wpa_ssid *ssid;
 334 };
 335
 336 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 337                         struct wpa_ssid *test_ssid);
 338 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 339 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 340
 341 struct wpa_external_work {
 342         unsigned int id;
 343         char type[100];
 344         unsigned int timeout;
 345 };
 346
 347 /**
 348  * offchannel_send_action_result - Result of offchannel send Action frame
 349  */
 350 enum offchannel_send_action_result {
 351         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 352         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 353                                        */,
 354         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 355                                        */
 356 };
 357
 358 struct wps_ap_info {
 359         u8 bssid[ETH_ALEN];
 360         enum wps_ap_info_type {
 361                 WPS_AP_NOT_SEL_REG,
 362                 WPS_AP_SEL_REG,
 363                 WPS_AP_SEL_REG_OUR
 364         } type;
 365         unsigned int tries;
 366         struct os_reltime last_attempt;
 367 };
 368
 369 struct wpa_ssid_value {
 370         u8 ssid[32];
 371         size_t ssid_len;
 372 };
 373
 374 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 375 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 376
 377 struct wpa_used_freq_data {
 378         int freq;
 379         unsigned int flags;
 380 };
 381
 382 #define RRM_NEIGHBOR_REPORT_TIMEOUT 1 /* 1 second for AP to send a report */
 383
 384 /*
 385  * struct rrm_data - Data used for managing RRM features
 386  */
 387 struct rrm_data {
 388         /* rrm_used - indication regarding the current connection */
 389         unsigned int rrm_used:1;
 390
 391         /*
 392          * notify_neighbor_rep - Callback for notifying report requester
 393          */
 394         void (*notify_neighbor_rep)(void *ctx, struct wpabuf *neighbor_rep);
 395
 396         /*
 397          * neighbor_rep_cb_ctx - Callback context
 398          * Received in the callback registration, and sent to the callback
 399          * function as a parameter.
 400          */
 401         void *neighbor_rep_cb_ctx;
 402
 403         /* next_neighbor_rep_token - Next request's dialog token */
 404         u8 next_neighbor_rep_token;
 405 };
 406
 407 enum wpa_supplicant_test_failure {
 408         WPAS_TEST_FAILURE_NONE,
 409         WPAS_TEST_FAILURE_SCAN_TRIGGER,
 410 };
 411
 412 /**
 413  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 414  *
 415  * This structure contains the internal data for core wpa_supplicant code. This
 416  * should be only used directly from the core code. However, a pointer to this
 417  * data is used from other files as an arbitrary context pointer in calls to
 418  * core functions.
 419  */
 420 struct wpa_supplicant {
 421         struct wpa_global *global;
 422         struct wpa_radio *radio; /* shared radio context */
 423         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 424         struct wpa_supplicant *parent;
 425         struct wpa_supplicant *next;
 426         struct l2_packet_data *l2;
 427         struct l2_packet_data *l2_br;
 428         unsigned char own_addr[ETH_ALEN];
 429         unsigned char perm_addr[ETH_ALEN];
 430         char ifname[100];
 431 #ifdef CONFIG_CTRL_IFACE_DBUS
 432         char *dbus_path;
 433 #endif /* CONFIG_CTRL_IFACE_DBUS */
 434 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 435         char *dbus_new_path;
 436         char *dbus_groupobj_path;
 437 #ifdef CONFIG_AP
 438         char *preq_notify_peer;
 439 #endif /* CONFIG_AP */
 440 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 441         char bridge_ifname[16];
 442
 443         char *confname;
 444         char *confanother;
 445
 446         struct wpa_config *conf;
 447         int countermeasures;
 448         struct os_reltime last_michael_mic_error;
 449         u8 bssid[ETH_ALEN];
 450         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 451                                      * field contains the target BSSID. */
 452         int reassociate; /* reassociation requested */
 453         int reassoc_same_bss; /* reassociating to the same bss */
 454         int disconnected; /* all connections disabled; i.e., do no reassociate
 455                            * before this has been cleared */
 456         struct wpa_ssid *current_ssid;
 457         struct wpa_ssid *last_ssid;
 458         struct wpa_bss *current_bss;
 459         int ap_ies_from_associnfo;
 460         unsigned int assoc_freq;
 461
 462         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 463         int pairwise_cipher;
 464         int group_cipher;
 465         int key_mgmt;
 466         int wpa_proto;
 467         int mgmt_group_cipher;
 468
 469         void *drv_priv; /* private data used by driver_ops */
 470         void *global_drv_priv;
 471
 472         u8 *bssid_filter;
 473         size_t bssid_filter_count;
 474
 475         u8 *disallow_aps_bssid;
 476         size_t disallow_aps_bssid_count;
 477         struct wpa_ssid_value *disallow_aps_ssid;
 478         size_t disallow_aps_ssid_count;
 479
 480         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 481
 482         /* Preferred network for the next connection attempt */
 483         struct wpa_ssid *next_ssid;
 484
 485         /* previous scan was wildcard when interleaving between
 486          * wildcard scans and specific SSID scan when max_ssids=1 */
 487         int prev_scan_wildcard;
 488         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 489                                           * NULL = not yet initialized (start
 490                                           * with wildcard SSID)
 491                                           * WILDCARD_SSID_SCAN = wildcard
 492                                           * SSID was used in the previous scan
 493                                           */
 494 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 495
 496         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 497         int sched_scan_timeout;
 498         int sched_scan_interval;
 499         int first_sched_scan;
 500         int sched_scan_timed_out;
 501
 502         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 503                                  struct wpa_scan_results *scan_res);
 504         struct dl_list bss; /* struct wpa_bss::list */
 505         struct dl_list bss_id; /* struct wpa_bss::list_id */
 506         size_t num_bss;
 507         unsigned int bss_update_idx;
 508         unsigned int bss_next_id;
 509
 510          /*
 511           * Pointers to BSS entries in the order they were in the last scan
 512           * results.
 513           */
 514         struct wpa_bss **last_scan_res;
 515         unsigned int last_scan_res_used;
 516         unsigned int last_scan_res_size;
 517         struct os_reltime last_scan;
 518
 519         struct wpa_driver_ops *driver;
 520         int interface_removed; /* whether the network interface has been
 521                                 * removed */
 522         struct wpa_sm *wpa;
 523         struct eapol_sm *eapol;
 524
 525         struct ctrl_iface_priv *ctrl_iface;
 526
 527         enum wpa_states wpa_state;
 528         struct wpa_radio_work *scan_work;
 529         int scanning;
 530         int sched_scanning;
 531         int new_connection;
 532
 533         int eapol_received; /* number of EAPOL packets received after the
 534                              * previous association event */
 535
 536         struct scard_data *scard;
 537         char imsi[20];
 538         int mnc_len;
 539
 540         unsigned char last_eapol_src[ETH_ALEN];
 541
 542         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 543                                     * known not to be configured with a key */
 544
 545         struct wpa_blacklist *blacklist;
 546
 547         /**
 548          * extra_blacklist_count - Sum of blacklist counts after last connection
 549          *
 550          * This variable is used to maintain a count of temporary blacklisting
 551          * failures (maximum number for any BSS) over blacklist clear
 552          * operations. This is needed for figuring out whether there has been
 553          * failures prior to the last blacklist clear operation which happens
 554          * whenever no other not-blacklisted BSS candidates are available. This
 555          * gets cleared whenever a connection has been established successfully.
 556          */
 557         int extra_blacklist_count;
 558
 559         /**
 560          * scan_req - Type of the scan request
 561          */
 562         enum scan_req_type {
 563                 /**
 564                  * NORMAL_SCAN_REQ - Normal scan request
 565                  *
 566                  * This is used for scans initiated by wpa_supplicant to find an
 567                  * AP for a connection.
 568                  */
 569                 NORMAL_SCAN_REQ,
 570
 571                 /**
 572                  * INITIAL_SCAN_REQ - Initial scan request
 573                  *
 574                  * This is used for the first scan on an interface to force at
 575                  * least one scan to be run even if the configuration does not
 576                  * include any enabled networks.
 577                  */
 578                 INITIAL_SCAN_REQ,
 579
 580                 /**
 581                  * MANUAL_SCAN_REQ - Manual scan request
 582                  *
 583                  * This is used for scans where the user request a scan or
 584                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 585                  * to be run.
 586                  */
 587                 MANUAL_SCAN_REQ
 588         } scan_req, last_scan_req;
 589         enum wpa_states scan_prev_wpa_state;
 590         struct os_reltime scan_trigger_time, scan_start_time;
 591         int scan_runs; /* number of scan runs since WPS was started */
 592         int *next_scan_freqs;
 593         int *manual_scan_freqs;
 594         int *manual_sched_scan_freqs;
 595         unsigned int manual_scan_passive:1;
 596         unsigned int manual_scan_use_id:1;
 597         unsigned int manual_scan_only_new:1;
 598         unsigned int own_scan_requested:1;
 599         unsigned int own_scan_running:1;
 600         unsigned int clear_driver_scan_cache:1;
 601         unsigned int manual_scan_id;
 602         int scan_interval; /* time in sec between scans to find suitable AP */
 603         int normal_scans; /* normal scans run before sched_scan */
 604         int scan_for_connection; /* whether the scan request was triggered for
 605                                   * finding a connection */
 606 #define MAX_SCAN_ID 16
 607         int scan_id[MAX_SCAN_ID];
 608         unsigned int scan_id_count;
 609
 610         u64 drv_flags;
 611         unsigned int drv_enc;
 612         unsigned int drv_smps_modes;
 613         unsigned int drv_rrm_flags;
 614
 615         /*
 616          * A bitmap of supported protocols for probe response offload. See
 617          * struct wpa_driver_capa in driver.h
 618          */
 619         unsigned int probe_resp_offloads;
 620
 621         /* extended capabilities supported by the driver */
 622         const u8 *extended_capa, *extended_capa_mask;
 623         unsigned int extended_capa_len;
 624
 625         int max_scan_ssids;
 626         int max_sched_scan_ssids;
 627         int sched_scan_supported;
 628         unsigned int max_match_sets;
 629         unsigned int max_remain_on_chan;
 630         unsigned int max_stations;
 631
 632         int pending_mic_error_report;
 633         int pending_mic_error_pairwise;
 634         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 635
 636         struct wps_context *wps;
 637         int wps_success; /* WPS success event received */
 638         struct wps_er *wps_er;
 639         unsigned int wps_run;
 640         int blacklist_cleared;
 641
 642         struct wpabuf *pending_eapol_rx;
 643         struct os_reltime pending_eapol_rx_time;
 644         u8 pending_eapol_rx_src[ETH_ALEN];
 645         unsigned int last_eapol_matches_bssid:1;
 646         unsigned int eap_expected_failure:1;
 647         unsigned int reattach:1; /* reassociation to the same BSS requested */
 648         unsigned int mac_addr_changed:1;
 649
 650         struct os_reltime last_mac_addr_change;
 651         int last_mac_addr_style;
 652
 653         struct ibss_rsn *ibss_rsn;
 654
 655         int set_sta_uapsd;
 656         int sta_uapsd;
 657         int set_ap_uapsd;
 658         int ap_uapsd;
 659
 660 #ifdef CONFIG_SME
 661         struct {
 662                 u8 ssid[32];
 663                 size_t ssid_len;
 664                 int freq;
 665                 u8 assoc_req_ie[200];
 666                 size_t assoc_req_ie_len;
 667                 int mfp;
 668                 int ft_used;
 669                 u8 mobility_domain[2];
 670                 u8 *ft_ies;
 671                 size_t ft_ies_len;
 672                 u8 prev_bssid[ETH_ALEN];
 673                 int prev_bssid_set;
 674                 int auth_alg;
 675                 int proto;
 676
 677                 int sa_query_count; /* number of pending SA Query requests;
 678                                      * 0 = no SA Query in progress */
 679                 int sa_query_timed_out;
 680                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 681                                         * sa_query_count octets of pending
 682                                         * SA Query transaction identifiers */
 683                 struct os_reltime sa_query_start;
 684                 struct os_reltime last_unprot_disconnect;
 685                 enum { HT_SEC_CHAN_UNKNOWN,
 686                        HT_SEC_CHAN_ABOVE,
 687                        HT_SEC_CHAN_BELOW } ht_sec_chan;
 688                 u8 sched_obss_scan;
 689                 u16 obss_scan_int;
 690                 u16 bss_max_idle_period;
 691 #ifdef CONFIG_SAE
 692                 struct sae_data sae;
 693                 struct wpabuf *sae_token;
 694                 int sae_group_index;
 695                 unsigned int sae_pmksa_caching:1;
 696 #endif /* CONFIG_SAE */
 697         } sme;
 698 #endif /* CONFIG_SME */
 699
 700 #ifdef CONFIG_AP
 701         struct hostapd_iface *ap_iface;
 702         void (*ap_configured_cb)(void *ctx, void *data);
 703         void *ap_configured_cb_ctx;
 704         void *ap_configured_cb_data;
 705 #endif /* CONFIG_AP */
 706
 707         struct hostapd_iface *ifmsh;
 708 #ifdef CONFIG_MESH
 709         struct mesh_rsn *mesh_rsn;
 710         int mesh_if_idx;
 711         unsigned int mesh_if_created:1;
 712         unsigned int mesh_ht_enabled:1;
 713 #endif /* CONFIG_MESH */
 714
 715         unsigned int off_channel_freq;
 716         struct wpabuf *pending_action_tx;
 717         u8 pending_action_src[ETH_ALEN];
 718         u8 pending_action_dst[ETH_ALEN];
 719         u8 pending_action_bssid[ETH_ALEN];
 720         unsigned int pending_action_freq;
 721         int pending_action_no_cck;
 722         int pending_action_without_roc;
 723         unsigned int pending_action_tx_done:1;
 724         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 725                                             unsigned int freq, const u8 *dst,
 726                                             const u8 *src, const u8 *bssid,
 727                                             const u8 *data, size_t data_len,
 728                                             enum offchannel_send_action_result
 729                                             result);
 730         unsigned int roc_waiting_drv_freq;
 731         int action_tx_wait_time;
 732
 733         int p2p_mgmt;
 734
 735 #ifdef CONFIG_P2P
 736         struct wpa_supplicant *p2p_dev;
 737         struct p2p_go_neg_results *go_params;
 738         int create_p2p_iface;
 739         u8 pending_interface_addr[ETH_ALEN];
 740         char pending_interface_name[100];
 741         int pending_interface_type;
 742         int p2p_group_idx;
 743         unsigned int pending_listen_freq;
 744         unsigned int pending_listen_duration;
 745         enum {
 746                 NOT_P2P_GROUP_INTERFACE,
 747                 P2P_GROUP_INTERFACE_PENDING,
 748                 P2P_GROUP_INTERFACE_GO,
 749                 P2P_GROUP_INTERFACE_CLIENT
 750         } p2p_group_interface;
 751         struct p2p_group *p2p_group;
 752         int p2p_long_listen; /* remaining time in long Listen state in ms */
 753         char p2p_pin[10];
 754         int p2p_wps_method;
 755         u8 p2p_auth_invite[ETH_ALEN];
 756         int p2p_sd_over_ctrl_iface;
 757         int p2p_in_provisioning;
 758         int p2p_in_invitation;
 759         int p2p_invite_go_freq;
 760         int pending_invite_ssid_id;
 761         int show_group_started;
 762         u8 go_dev_addr[ETH_ALEN];
 763         int pending_pd_before_join;
 764         u8 pending_join_iface_addr[ETH_ALEN];
 765         u8 pending_join_dev_addr[ETH_ALEN];
 766         int pending_join_wps_method;
 767         u8 p2p_join_ssid[32];
 768         size_t p2p_join_ssid_len;
 769         int p2p_join_scan_count;
 770         int auto_pd_scan_retry;
 771         int force_long_sd;
 772         u16 pending_pd_config_methods;
 773         enum {
 774                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 775         } pending_pd_use;
 776
 777         /*
 778          * Whether cross connection is disallowed by the AP to which this
 779          * interface is associated (only valid if there is an association).
 780          */
 781         int cross_connect_disallowed;
 782
 783         /*
 784          * Whether this P2P group is configured to use cross connection (only
 785          * valid if this is P2P GO interface). The actual cross connect packet
 786          * forwarding may not be configured depending on the uplink status.
 787          */
 788         int cross_connect_enabled;
 789
 790         /* Whether cross connection forwarding is in use at the moment. */
 791         int cross_connect_in_use;
 792
 793         /*
 794          * Uplink interface name for cross connection
 795          */
 796         char cross_connect_uplink[100];
 797
 798         unsigned int p2p_auto_join:1;
 799         unsigned int p2p_auto_pd:1;
 800         unsigned int p2p_persistent_group:1;
 801         unsigned int p2p_fallback_to_go_neg:1;
 802         unsigned int p2p_pd_before_go_neg:1;
 803         unsigned int p2p_go_ht40:1;
 804         unsigned int p2p_go_vht:1;
 805         unsigned int user_initiated_pd:1;
 806         unsigned int p2p_go_group_formation_completed:1;
 807         unsigned int group_formation_reported:1;
 808         unsigned int waiting_presence_resp;
 809         int p2p_first_connection_timeout;
 810         unsigned int p2p_nfc_tag_enabled:1;
 811         unsigned int p2p_peer_oob_pk_hash_known:1;
 812         unsigned int p2p_disable_ip_addr_req:1;
 813         int p2p_persistent_go_freq;
 814         int p2p_persistent_id;
 815         int p2p_go_intent;
 816         int p2p_connect_freq;
 817         struct os_reltime p2p_auto_started;
 818         struct wpa_ssid *p2p_last_4way_hs_fail;
 819         struct wpa_radio_work *p2p_scan_work;
 820         struct wpa_radio_work *p2p_listen_work;
 821         struct wpa_radio_work *p2p_send_action_work;
 822
 823         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 824         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 825                                         * formation */
 826         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 827         u8 p2p_ip_addr_info[3 * 4];
 828
 829         /* group common frequencies */
 830         int *p2p_group_common_freqs;
 831         unsigned int p2p_group_common_freqs_num;
 832 #endif /* CONFIG_P2P */
 833
 834         struct wpa_ssid *bgscan_ssid;
 835         const struct bgscan_ops *bgscan;
 836         void *bgscan_priv;
 837
 838         const struct autoscan_ops *autoscan;
 839         struct wpa_driver_scan_params *autoscan_params;
 840         void *autoscan_priv;
 841
 842         struct wpa_ssid *connect_without_scan;
 843
 844         struct wps_ap_info *wps_ap;
 845         size_t num_wps_ap;
 846         int wps_ap_iter;
 847
 848         int after_wps;
 849         int known_wps_freq;
 850         unsigned int wps_freq;
 851         int wps_fragment_size;
 852         int auto_reconnect_disabled;
 853
 854          /* Channel preferences for AP/P2P GO use */
 855         int best_24_freq;
 856         int best_5_freq;
 857         int best_overall_freq;
 858
 859         struct gas_query *gas;
 860
 861 #ifdef CONFIG_INTERWORKING
 862         unsigned int fetch_anqp_in_progress:1;
 863         unsigned int network_select:1;
 864         unsigned int auto_select:1;
 865         unsigned int auto_network_select:1;
 866         unsigned int interworking_fast_assoc_tried:1;
 867         unsigned int fetch_all_anqp:1;
 868         unsigned int fetch_osu_info:1;
 869         unsigned int fetch_osu_waiting_scan:1;
 870         unsigned int fetch_osu_icon_in_progress:1;
 871         struct wpa_bss *interworking_gas_bss;
 872         unsigned int osu_icon_id;
 873         struct osu_provider *osu_prov;
 874         size_t osu_prov_count;
 875         struct os_reltime osu_icon_fetch_start;
 876         unsigned int num_osu_scans;
 877         unsigned int num_prov_found;
 878 #endif /* CONFIG_INTERWORKING */
 879         unsigned int drv_capa_known;
 880
 881         struct {
 882                 struct hostapd_hw_modes *modes;
 883                 u16 num_modes;
 884                 u16 flags;
 885         } hw;
 886 #ifdef CONFIG_MACSEC
 887         struct ieee802_1x_kay *kay;
 888 #endif /* CONFIG_MACSEC */
 889
 890         int pno;
 891         int pno_sched_pending;
 892
 893         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 894         int disconnect_reason;
 895
 896         struct ext_password_data *ext_pw;
 897
 898         struct wpabuf *last_gas_resp, *prev_gas_resp;
 899         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 900         u8 last_gas_dialog_token, prev_gas_dialog_token;
 901
 902         unsigned int no_keep_alive:1;
 903         unsigned int ext_mgmt_frame_handling:1;
 904         unsigned int ext_eapol_frame_io:1;
 905         unsigned int wmm_ac_supported:1;
 906         unsigned int ext_work_in_progress:1;
 907
 908 #define MAC_ADDR_RAND_SCAN       BIT(0)
 909 #define MAC_ADDR_RAND_SCHED_SCAN BIT(1)
 910 #define MAC_ADDR_RAND_PNO        BIT(2)
 911 #define MAC_ADDR_RAND_ALL        (MAC_ADDR_RAND_SCAN | \
 912                                   MAC_ADDR_RAND_SCHED_SCAN | \
 913                                   MAC_ADDR_RAND_PNO)
 914         unsigned int mac_addr_rand_supported;
 915         unsigned int mac_addr_rand_enable;
 916
 917         /* MAC Address followed by mask (2 * ETH_ALEN) */
 918         u8 *mac_addr_scan;
 919         u8 *mac_addr_sched_scan;
 920         u8 *mac_addr_pno;
 921
 922 #ifdef CONFIG_WNM
 923         u8 wnm_dialog_token;
 924         u8 wnm_reply;
 925         u8 wnm_num_neighbor_report;
 926         u8 wnm_mode;
 927         u16 wnm_dissoc_timer;
 928         u8 wnm_bss_termination_duration[12];
 929         struct neighbor_report *wnm_neighbor_report_elements;
 930         struct os_reltime wnm_cand_valid_until;
 931         u8 wnm_cand_from_bss[ETH_ALEN];
 932 #endif /* CONFIG_WNM */
 933
 934 #ifdef CONFIG_TESTING_GET_GTK
 935         u8 last_gtk[32];
 936         size_t last_gtk_len;
 937 #endif /* CONFIG_TESTING_GET_GTK */
 938
 939         unsigned int num_multichan_concurrent;
 940         struct wpa_radio_work *connect_work;
 941
 942         unsigned int ext_work_id;
 943
 944         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
 945
 946 #ifdef CONFIG_TESTING_OPTIONS
 947         struct l2_packet_data *l2_test;
 948         unsigned int extra_roc_dur;
 949         enum wpa_supplicant_test_failure test_failure;
 950 #endif /* CONFIG_TESTING_OPTIONS */
 951
 952         struct wmm_ac_assoc_data *wmm_ac_assoc_info;
 953         struct wmm_tspec_element *tspecs[WMM_AC_NUM][TS_DIR_IDX_COUNT];
 954         struct wmm_ac_addts_request *addts_request;
 955         u8 wmm_ac_last_dialog_token;
 956         struct wmm_tspec_element *last_tspecs;
 957         u8 last_tspecs_count;
 958
 959         struct rrm_data rrm;
 960 };
 961
 962
 963 /* wpa_supplicant.c */
 964 void wpa_supplicant_apply_ht_overrides(
 965         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 966         struct wpa_driver_associate_params *params);
 967 void wpa_supplicant_apply_vht_overrides(
 968         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 969         struct wpa_driver_associate_params *params);
 970
 971 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 972 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 973                                     struct wpa_ssid *ssid);
 974
 975 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 976
 977 const char * wpa_supplicant_state_txt(enum wpa_states state);
 978 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 979 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 980 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 981                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 982                               u8 *wpa_ie, size_t *wpa_ie_len);
 983 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 984                               struct wpa_bss *bss,
 985                               struct wpa_ssid *ssid);
 986 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 987                                        struct wpa_ssid *ssid);
 988 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 989 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 990 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 991                                      int sec, int usec);
 992 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 993 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 994                               enum wpa_states state);
 995 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 996 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 997 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 998 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 999                                    int reason_code);
1000
1001 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
1002                                    struct wpa_ssid *ssid);
1003 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
1004                                     struct wpa_ssid *ssid);
1005 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
1006                                    struct wpa_ssid *ssid);
1007 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
1008                                            const char *pkcs11_engine_path,
1009                                            const char *pkcs11_module_path);
1010 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
1011                                int ap_scan);
1012 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
1013                                           unsigned int expire_age);
1014 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
1015                                             unsigned int expire_count);
1016 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
1017                                      int scan_interval);
1018 int wpa_supplicant_set_debug_params(struct wpa_global *global,
1019                                     int debug_level, int debug_timestamp,
1020                                     int debug_show_keys);
1021 void free_hw_features(struct wpa_supplicant *wpa_s);
1022
1023 void wpa_show_license(void);
1024
1025 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
1026                                                  struct wpa_interface *iface);
1027 int wpa_supplicant_remove_iface(struct wpa_global *global,
1028                                 struct wpa_supplicant *wpa_s,
1029                                 int terminate);
1030 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
1031                                                  const char *ifname);
1032 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
1033 int wpa_supplicant_run(struct wpa_global *global);
1034 void wpa_supplicant_deinit(struct wpa_global *global);
1035
1036 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
1037                               struct wpa_ssid *ssid);
1038 void wpa_supplicant_terminate_proc(struct wpa_global *global);
1039 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
1040                              const u8 *buf, size_t len);
1041 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
1042 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
1043 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
1044 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
1045 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
1046 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
1047 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
1048                               struct wpa_ssid *ssid, int clear_failures);
1049 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
1050 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
1051                     size_t ssid_len);
1052 void wpas_request_connection(struct wpa_supplicant *wpa_s);
1053 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
1054 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
1055 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
1056 void add_freq(int *freqs, int *num_freqs, int freq);
1057
1058 void wpas_rrm_reset(struct wpa_supplicant *wpa_s);
1059 void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
1060                                    const u8 *report, size_t report_len);
1061 int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
1062                                        const struct wpa_ssid *ssid,
1063                                        void (*cb)(void *ctx,
1064                                                   struct wpabuf *neighbor_rep),
1065                                        void *cb_ctx);
1066 void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
1067                                               const u8 *src,
1068                                               const u8 *frame, size_t len,
1069                                               int rssi);
1070
1071 /**
1072  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
1073  * @wpa_s: Pointer to wpa_supplicant data
1074  * @ssid: Pointer to the network block the reply is for
1075  * @field: field the response is a reply for
1076  * @value: value (ie, password, etc) for @field
1077  * Returns: 0 on success, non-zero on error
1078  *
1079  * Helper function to handle replies to control interface requests.
1080  */
1081 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
1082                                               struct wpa_ssid *ssid,
1083                                               const char *field,
1084                                               const char *value);
1085
1086 void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
1087                           const struct wpa_ssid *ssid,
1088                           struct hostapd_freq_params *freq);
1089
1090 /* events.c */
1091 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
1092 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1093                            struct wpa_bss *selected,
1094                            struct wpa_ssid *ssid);
1095 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
1096 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
1097 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
1098 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
1099 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1100                                              struct wpa_ssid **selected_ssid);
1101
1102 /* eap_register.c */
1103 int eap_register_methods(void);
1104
1105 /**
1106  * Utility method to tell if a given network is a persistent group
1107  * @ssid: Network object
1108  * Returns: 1 if network is a persistent group, 0 otherwise
1109  */
1110 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1111 {
1112         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1113 }
1114
1115 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1116
1117 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1118
1119 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1120                     struct wpa_used_freq_data *freqs_data,
1121                     unsigned int len);
1122
1123 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1124                                 struct wpa_used_freq_data *freqs_data,
1125                                 unsigned int len);
1126 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1127                            int *freq_array, unsigned int len);
1128
1129 #endif /* WPA_SUPPLICANT_I_H */