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      1 /*
      2  * wpa_supplicant - Internal definitions
      3  * Copyright (c) 2003-2012, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #ifndef WPA_SUPPLICANT_I_H
     10 #define WPA_SUPPLICANT_I_H
     11 
     12 #include "utils/list.h"
     13 #include "common/defs.h"
     14 #include "common/sae.h"
     15 #include "config_ssid.h"
     16 
     17 extern const char *wpa_supplicant_version;
     18 extern const char *wpa_supplicant_license;
     19 #ifndef CONFIG_NO_STDOUT_DEBUG
     20 extern const char *wpa_supplicant_full_license1;
     21 extern const char *wpa_supplicant_full_license2;
     22 extern const char *wpa_supplicant_full_license3;
     23 extern const char *wpa_supplicant_full_license4;
     24 extern const char *wpa_supplicant_full_license5;
     25 #endif /* CONFIG_NO_STDOUT_DEBUG */
     26 
     27 struct wpa_sm;
     28 struct wpa_supplicant;
     29 struct ibss_rsn;
     30 struct scan_info;
     31 struct wpa_bss;
     32 struct wpa_scan_results;
     33 struct hostapd_hw_modes;
     34 struct wpa_driver_associate_params;
     35 
     36 /*
     37  * Forward declarations of private structures used within the ctrl_iface
     38  * backends. Other parts of wpa_supplicant do not have access to data stored in
     39  * these structures.
     40  */
     41 struct ctrl_iface_priv;
     42 struct ctrl_iface_global_priv;
     43 struct wpas_dbus_priv;
     44 
     45 /**
     46  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
     47  */
     48 struct wpa_interface {
     49 	/**
     50 	 * confname - Configuration name (file or profile) name
     51 	 *
     52 	 * This can also be %NULL when a configuration file is not used. In
     53 	 * that case, ctrl_interface must be set to allow the interface to be
     54 	 * configured.
     55 	 */
     56 	const char *confname;
     57 
     58 	/**
     59 	 * confanother - Additional configuration name (file or profile) name
     60 	 *
     61 	 * This can also be %NULL when the additional configuration file is not
     62 	 * used.
     63 	 */
     64 	const char *confanother;
     65 
     66 	/**
     67 	 * ctrl_interface - Control interface parameter
     68 	 *
     69 	 * If a configuration file is not used, this variable can be used to
     70 	 * set the ctrl_interface parameter that would have otherwise been read
     71 	 * from the configuration file. If both confname and ctrl_interface are
     72 	 * set, ctrl_interface is used to override the value from configuration
     73 	 * file.
     74 	 */
     75 	const char *ctrl_interface;
     76 
     77 	/**
     78 	 * driver - Driver interface name, or %NULL to use the default driver
     79 	 */
     80 	const char *driver;
     81 
     82 	/**
     83 	 * driver_param - Driver interface parameters
     84 	 *
     85 	 * If a configuration file is not used, this variable can be used to
     86 	 * set the driver_param parameters that would have otherwise been read
     87 	 * from the configuration file. If both confname and driver_param are
     88 	 * set, driver_param is used to override the value from configuration
     89 	 * file.
     90 	 */
     91 	const char *driver_param;
     92 
     93 	/**
     94 	 * ifname - Interface name
     95 	 */
     96 	const char *ifname;
     97 
     98 	/**
     99 	 * bridge_ifname - Optional bridge interface name
    100 	 *
    101 	 * If the driver interface (ifname) is included in a Linux bridge
    102 	 * device, the bridge interface may need to be used for receiving EAPOL
    103 	 * frames. This can be enabled by setting this variable to enable
    104 	 * receiving of EAPOL frames from an additional interface.
    105 	 */
    106 	const char *bridge_ifname;
    107 
    108 	/**
    109 	 * p2p_mgmt - Interface used for P2P management (P2P Device operations)
    110 	 *
    111 	 * Indicates whether wpas_p2p_init() must be called for this interface.
    112 	 * This is used only when the driver supports a dedicated P2P Device
    113 	 * interface that is not a network interface.
    114 	 */
    115 	int p2p_mgmt;
    116 };
    117 
    118 /**
    119  * struct wpa_params - Parameters for wpa_supplicant_init()
    120  */
    121 struct wpa_params {
    122 	/**
    123 	 * daemonize - Run %wpa_supplicant in the background
    124 	 */
    125 	int daemonize;
    126 
    127 	/**
    128 	 * wait_for_monitor - Wait for a monitor program before starting
    129 	 */
    130 	int wait_for_monitor;
    131 
    132 	/**
    133 	 * pid_file - Path to a PID (process ID) file
    134 	 *
    135 	 * If this and daemonize are set, process ID of the background process
    136 	 * will be written to the specified file.
    137 	 */
    138 	char *pid_file;
    139 
    140 	/**
    141 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
    142 	 */
    143 	int wpa_debug_level;
    144 
    145 	/**
    146 	 * wpa_debug_show_keys - Whether keying material is included in debug
    147 	 *
    148 	 * This parameter can be used to allow keying material to be included
    149 	 * in debug messages. This is a security risk and this option should
    150 	 * not be enabled in normal configuration. If needed during
    151 	 * development or while troubleshooting, this option can provide more
    152 	 * details for figuring out what is happening.
    153 	 */
    154 	int wpa_debug_show_keys;
    155 
    156 	/**
    157 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
    158 	 */
    159 	int wpa_debug_timestamp;
    160 
    161 	/**
    162 	 * ctrl_interface - Global ctrl_iface path/parameter
    163 	 */
    164 	char *ctrl_interface;
    165 
    166 	/**
    167 	 * ctrl_interface_group - Global ctrl_iface group
    168 	 */
    169 	char *ctrl_interface_group;
    170 
    171 	/**
    172 	 * dbus_ctrl_interface - Enable the DBus control interface
    173 	 */
    174 	int dbus_ctrl_interface;
    175 
    176 	/**
    177 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
    178 	 */
    179 	const char *wpa_debug_file_path;
    180 
    181 	/**
    182 	 * wpa_debug_syslog - Enable log output through syslog
    183 	 */
    184 	int wpa_debug_syslog;
    185 
    186 	/**
    187 	 * wpa_debug_tracing - Enable log output through Linux tracing
    188 	 */
    189 	int wpa_debug_tracing;
    190 
    191 	/**
    192 	 * override_driver - Optional driver parameter override
    193 	 *
    194 	 * This parameter can be used to override the driver parameter in
    195 	 * dynamic interface addition to force a specific driver wrapper to be
    196 	 * used instead.
    197 	 */
    198 	char *override_driver;
    199 
    200 	/**
    201 	 * override_ctrl_interface - Optional ctrl_interface override
    202 	 *
    203 	 * This parameter can be used to override the ctrl_interface parameter
    204 	 * in dynamic interface addition to force a control interface to be
    205 	 * created.
    206 	 */
    207 	char *override_ctrl_interface;
    208 
    209 	/**
    210 	 * entropy_file - Optional entropy file
    211 	 *
    212 	 * This parameter can be used to configure wpa_supplicant to maintain
    213 	 * its internal entropy store over restarts.
    214 	 */
    215 	char *entropy_file;
    216 };
    217 
    218 struct p2p_srv_bonjour {
    219 	struct dl_list list;
    220 	struct wpabuf *query;
    221 	struct wpabuf *resp;
    222 };
    223 
    224 struct p2p_srv_upnp {
    225 	struct dl_list list;
    226 	u8 version;
    227 	char *service;
    228 };
    229 
    230 struct wpa_freq_range {
    231 	unsigned int min;
    232 	unsigned int max;
    233 };
    234 
    235 
    236 /**
    237  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
    238  *
    239  * This structure is initialized by calling wpa_supplicant_init() when starting
    240  * %wpa_supplicant.
    241  */
    242 struct wpa_global {
    243 	struct wpa_supplicant *ifaces;
    244 	struct wpa_params params;
    245 	struct ctrl_iface_global_priv *ctrl_iface;
    246 	struct wpas_dbus_priv *dbus;
    247 	void **drv_priv;
    248 	size_t drv_count;
    249 	struct os_time suspend_time;
    250 	struct p2p_data *p2p;
    251 	struct wpa_supplicant *p2p_init_wpa_s;
    252 	struct wpa_supplicant *p2p_group_formation;
    253 	struct wpa_supplicant *p2p_invite_group;
    254 	u8 p2p_dev_addr[ETH_ALEN];
    255 	struct os_time p2p_go_wait_client;
    256 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
    257 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
    258 	int p2p_disabled;
    259 	int cross_connection;
    260 	struct wpa_freq_range *p2p_disallow_freq;
    261 	unsigned int num_p2p_disallow_freq;
    262 	enum wpa_conc_pref {
    263 		WPA_CONC_PREF_NOT_SET,
    264 		WPA_CONC_PREF_STA,
    265 		WPA_CONC_PREF_P2P
    266 	} conc_pref;
    267 	unsigned int p2p_cb_on_scan_complete:1;
    268 	unsigned int p2p_per_sta_psk:1;
    269 
    270 #ifdef CONFIG_WIFI_DISPLAY
    271 	int wifi_display;
    272 #define MAX_WFD_SUBELEMS 10
    273 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
    274 #endif /* CONFIG_WIFI_DISPLAY */
    275 
    276 	struct psk_list_entry *add_psk; /* From group formation */
    277 };
    278 
    279 
    280 /**
    281  * offchannel_send_action_result - Result of offchannel send Action frame
    282  */
    283 enum offchannel_send_action_result {
    284 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
    285 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
    286 				       */,
    287 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
    288 				       */
    289 };
    290 
    291 struct wps_ap_info {
    292 	u8 bssid[ETH_ALEN];
    293 	enum wps_ap_info_type {
    294 		WPS_AP_NOT_SEL_REG,
    295 		WPS_AP_SEL_REG,
    296 		WPS_AP_SEL_REG_OUR
    297 	} type;
    298 	unsigned int tries;
    299 	struct os_time last_attempt;
    300 };
    301 
    302 struct wpa_ssid_value {
    303 	u8 ssid[32];
    304 	size_t ssid_len;
    305 };
    306 
    307 /**
    308  * struct wpa_supplicant - Internal data for wpa_supplicant interface
    309  *
    310  * This structure contains the internal data for core wpa_supplicant code. This
    311  * should be only used directly from the core code. However, a pointer to this
    312  * data is used from other files as an arbitrary context pointer in calls to
    313  * core functions.
    314  */
    315 struct wpa_supplicant {
    316 	struct wpa_global *global;
    317 	struct wpa_supplicant *parent;
    318 	struct wpa_supplicant *next;
    319 	struct l2_packet_data *l2;
    320 	struct l2_packet_data *l2_br;
    321 	unsigned char own_addr[ETH_ALEN];
    322 	char ifname[100];
    323 #ifdef CONFIG_CTRL_IFACE_DBUS
    324 	char *dbus_path;
    325 #endif /* CONFIG_CTRL_IFACE_DBUS */
    326 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
    327 	char *dbus_new_path;
    328 	char *dbus_groupobj_path;
    329 #ifdef CONFIG_AP
    330 	char *preq_notify_peer;
    331 #endif /* CONFIG_AP */
    332 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
    333 	char bridge_ifname[16];
    334 
    335 	char *confname;
    336 	char *confanother;
    337 	struct wpa_config *conf;
    338 	int countermeasures;
    339 	os_time_t last_michael_mic_error;
    340 	u8 bssid[ETH_ALEN];
    341 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
    342 				     * field contains the target BSSID. */
    343 	int reassociate; /* reassociation requested */
    344 	int disconnected; /* all connections disabled; i.e., do no reassociate
    345 			   * before this has been cleared */
    346 	struct wpa_ssid *current_ssid;
    347 	struct wpa_bss *current_bss;
    348 	int ap_ies_from_associnfo;
    349 	unsigned int assoc_freq;
    350 
    351 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
    352 	int pairwise_cipher;
    353 	int group_cipher;
    354 	int key_mgmt;
    355 	int wpa_proto;
    356 	int mgmt_group_cipher;
    357 
    358 	void *drv_priv; /* private data used by driver_ops */
    359 	void *global_drv_priv;
    360 
    361 	u8 *bssid_filter;
    362 	size_t bssid_filter_count;
    363 
    364 	u8 *disallow_aps_bssid;
    365 	size_t disallow_aps_bssid_count;
    366 	struct wpa_ssid_value *disallow_aps_ssid;
    367 	size_t disallow_aps_ssid_count;
    368 
    369 	enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
    370 
    371 	/* previous scan was wildcard when interleaving between
    372 	 * wildcard scans and specific SSID scan when max_ssids=1 */
    373 	int prev_scan_wildcard;
    374 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
    375 					  * NULL = not yet initialized (start
    376 					  * with wildcard SSID)
    377 					  * WILDCARD_SSID_SCAN = wildcard
    378 					  * SSID was used in the previous scan
    379 					  */
    380 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
    381 
    382 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
    383 	int sched_scan_timeout;
    384 	int sched_scan_interval;
    385 	int first_sched_scan;
    386 	int sched_scan_timed_out;
    387 
    388 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
    389 				 struct wpa_scan_results *scan_res);
    390 	struct dl_list bss; /* struct wpa_bss::list */
    391 	struct dl_list bss_id; /* struct wpa_bss::list_id */
    392 	size_t num_bss;
    393 	unsigned int bss_update_idx;
    394 	unsigned int bss_next_id;
    395 
    396 	 /*
    397 	  * Pointers to BSS entries in the order they were in the last scan
    398 	  * results.
    399 	  */
    400 	struct wpa_bss **last_scan_res;
    401 	unsigned int last_scan_res_used;
    402 	unsigned int last_scan_res_size;
    403 	int last_scan_full;
    404 	struct os_time last_scan;
    405 
    406 	struct wpa_driver_ops *driver;
    407 	int interface_removed; /* whether the network interface has been
    408 				* removed */
    409 	struct wpa_sm *wpa;
    410 	struct eapol_sm *eapol;
    411 
    412 	struct ctrl_iface_priv *ctrl_iface;
    413 
    414 	enum wpa_states wpa_state;
    415 	int scanning;
    416 	int sched_scanning;
    417 	int new_connection;
    418 
    419 	int eapol_received; /* number of EAPOL packets received after the
    420 			     * previous association event */
    421 
    422 	struct scard_data *scard;
    423 	char imsi[20];
    424 	int mnc_len;
    425 
    426 	unsigned char last_eapol_src[ETH_ALEN];
    427 
    428 	int keys_cleared;
    429 
    430 	struct wpa_blacklist *blacklist;
    431 
    432 	/**
    433 	 * extra_blacklist_count - Sum of blacklist counts after last connection
    434 	 *
    435 	 * This variable is used to maintain a count of temporary blacklisting
    436 	 * failures (maximum number for any BSS) over blacklist clear
    437 	 * operations. This is needed for figuring out whether there has been
    438 	 * failures prior to the last blacklist clear operation which happens
    439 	 * whenever no other not-blacklisted BSS candidates are available. This
    440 	 * gets cleared whenever a connection has been established successfully.
    441 	 */
    442 	int extra_blacklist_count;
    443 
    444 	/**
    445 	 * scan_req - Type of the scan request
    446 	 */
    447 	enum scan_req_type {
    448 		/**
    449 		 * NORMAL_SCAN_REQ - Normal scan request
    450 		 *
    451 		 * This is used for scans initiated by wpa_supplicant to find an
    452 		 * AP for a connection.
    453 		 */
    454 		NORMAL_SCAN_REQ,
    455 
    456 		/**
    457 		 * INITIAL_SCAN_REQ - Initial scan request
    458 		 *
    459 		 * This is used for the first scan on an interface to force at
    460 		 * least one scan to be run even if the configuration does not
    461 		 * include any enabled networks.
    462 		 */
    463 		INITIAL_SCAN_REQ,
    464 
    465 		/**
    466 		 * MANUAL_SCAN_REQ - Manual scan request
    467 		 *
    468 		 * This is used for scans where the user request a scan or
    469 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
    470 		 * to be run.
    471 		 */
    472 		MANUAL_SCAN_REQ
    473 	} scan_req;
    474 	struct os_time scan_trigger_time;
    475 	int scan_runs; /* number of scan runs since WPS was started */
    476 	int *next_scan_freqs;
    477 	int scan_interval; /* time in sec between scans to find suitable AP */
    478 	int normal_scans; /* normal scans run before sched_scan */
    479 	int scan_for_connection; /* whether the scan request was triggered for
    480 				  * finding a connection */
    481 
    482 	unsigned int drv_flags;
    483 	unsigned int drv_enc;
    484 
    485 	/*
    486 	 * A bitmap of supported protocols for probe response offload. See
    487 	 * struct wpa_driver_capa in driver.h
    488 	 */
    489 	unsigned int probe_resp_offloads;
    490 
    491 	/* extended capabilities supported by the driver */
    492 	const u8 *extended_capa, *extended_capa_mask;
    493 	unsigned int extended_capa_len;
    494 
    495 	int max_scan_ssids;
    496 	int max_sched_scan_ssids;
    497 	int sched_scan_supported;
    498 	unsigned int max_match_sets;
    499 	unsigned int max_remain_on_chan;
    500 	unsigned int max_stations;
    501 
    502 	int pending_mic_error_report;
    503 	int pending_mic_error_pairwise;
    504 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
    505 
    506 	struct wps_context *wps;
    507 	int wps_success; /* WPS success event received */
    508 	struct wps_er *wps_er;
    509 	int blacklist_cleared;
    510 
    511 	struct wpabuf *pending_eapol_rx;
    512 	struct os_time pending_eapol_rx_time;
    513 	u8 pending_eapol_rx_src[ETH_ALEN];
    514 	unsigned int last_eapol_matches_bssid:1;
    515 
    516 	struct ibss_rsn *ibss_rsn;
    517 
    518 	int set_sta_uapsd;
    519 	int sta_uapsd;
    520 	int set_ap_uapsd;
    521 	int ap_uapsd;
    522 
    523 #ifdef CONFIG_SME
    524 	struct {
    525 		u8 ssid[32];
    526 		size_t ssid_len;
    527 		int freq;
    528 		u8 assoc_req_ie[200];
    529 		size_t assoc_req_ie_len;
    530 		int mfp;
    531 		int ft_used;
    532 		u8 mobility_domain[2];
    533 		u8 *ft_ies;
    534 		size_t ft_ies_len;
    535 		u8 prev_bssid[ETH_ALEN];
    536 		int prev_bssid_set;
    537 		int auth_alg;
    538 		int proto;
    539 
    540 		int sa_query_count; /* number of pending SA Query requests;
    541 				     * 0 = no SA Query in progress */
    542 		int sa_query_timed_out;
    543 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
    544 					* sa_query_count octets of pending
    545 					* SA Query transaction identifiers */
    546 		struct os_time sa_query_start;
    547 		u8 sched_obss_scan;
    548 		u16 obss_scan_int;
    549 		u16 bss_max_idle_period;
    550 #ifdef CONFIG_SAE
    551 		struct sae_data sae;
    552 		struct wpabuf *sae_token;
    553 		int sae_group_index;
    554 #endif /* CONFIG_SAE */
    555 	} sme;
    556 #endif /* CONFIG_SME */
    557 
    558 #ifdef CONFIG_AP
    559 	struct hostapd_iface *ap_iface;
    560 	void (*ap_configured_cb)(void *ctx, void *data);
    561 	void *ap_configured_cb_ctx;
    562 	void *ap_configured_cb_data;
    563 #endif /* CONFIG_AP */
    564 
    565 	unsigned int off_channel_freq;
    566 	struct wpabuf *pending_action_tx;
    567 	u8 pending_action_src[ETH_ALEN];
    568 	u8 pending_action_dst[ETH_ALEN];
    569 	u8 pending_action_bssid[ETH_ALEN];
    570 	unsigned int pending_action_freq;
    571 	int pending_action_no_cck;
    572 	int pending_action_without_roc;
    573 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
    574 					    unsigned int freq, const u8 *dst,
    575 					    const u8 *src, const u8 *bssid,
    576 					    const u8 *data, size_t data_len,
    577 					    enum offchannel_send_action_result
    578 					    result);
    579 	unsigned int roc_waiting_drv_freq;
    580 	int action_tx_wait_time;
    581 
    582 	int p2p_mgmt;
    583 
    584 #ifdef CONFIG_P2P
    585 	struct p2p_go_neg_results *go_params;
    586 	int create_p2p_iface;
    587 	u8 pending_interface_addr[ETH_ALEN];
    588 	char pending_interface_name[100];
    589 	int pending_interface_type;
    590 	int p2p_group_idx;
    591 	unsigned int pending_listen_freq;
    592 	unsigned int pending_listen_duration;
    593 	enum {
    594 		NOT_P2P_GROUP_INTERFACE,
    595 		P2P_GROUP_INTERFACE_PENDING,
    596 		P2P_GROUP_INTERFACE_GO,
    597 		P2P_GROUP_INTERFACE_CLIENT
    598 	} p2p_group_interface;
    599 	struct p2p_group *p2p_group;
    600 	int p2p_long_listen; /* remaining time in long Listen state in ms */
    601 	char p2p_pin[10];
    602 	int p2p_wps_method;
    603 	u8 p2p_auth_invite[ETH_ALEN];
    604 	int p2p_sd_over_ctrl_iface;
    605 	int p2p_in_provisioning;
    606 	int pending_invite_ssid_id;
    607 	int show_group_started;
    608 	u8 go_dev_addr[ETH_ALEN];
    609 	int pending_pd_before_join;
    610 	u8 pending_join_iface_addr[ETH_ALEN];
    611 	u8 pending_join_dev_addr[ETH_ALEN];
    612 	int pending_join_wps_method;
    613 	int p2p_join_scan_count;
    614 	int auto_pd_scan_retry;
    615 	int force_long_sd;
    616 	u16 pending_pd_config_methods;
    617 	enum {
    618 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
    619 	} pending_pd_use;
    620 
    621 	/*
    622 	 * Whether cross connection is disallowed by the AP to which this
    623 	 * interface is associated (only valid if there is an association).
    624 	 */
    625 	int cross_connect_disallowed;
    626 
    627 	/*
    628 	 * Whether this P2P group is configured to use cross connection (only
    629 	 * valid if this is P2P GO interface). The actual cross connect packet
    630 	 * forwarding may not be configured depending on the uplink status.
    631 	 */
    632 	int cross_connect_enabled;
    633 
    634 	/* Whether cross connection forwarding is in use at the moment. */
    635 	int cross_connect_in_use;
    636 
    637 	/*
    638 	 * Uplink interface name for cross connection
    639 	 */
    640 	char cross_connect_uplink[100];
    641 
    642 	unsigned int sta_scan_pending:1;
    643 	unsigned int p2p_auto_join:1;
    644 	unsigned int p2p_auto_pd:1;
    645 	unsigned int p2p_persistent_group:1;
    646 	unsigned int p2p_fallback_to_go_neg:1;
    647 	unsigned int p2p_pd_before_go_neg:1;
    648 	unsigned int p2p_go_ht40:1;
    649 	unsigned int user_initiated_pd:1;
    650 	int p2p_persistent_go_freq;
    651 	int p2p_persistent_id;
    652 	int p2p_go_intent;
    653 	int p2p_connect_freq;
    654 	struct os_time p2p_auto_started;
    655 	struct wpa_ssid *p2p_last_4way_hs_fail;
    656 #endif /* CONFIG_P2P */
    657 
    658 	struct wpa_ssid *bgscan_ssid;
    659 	const struct bgscan_ops *bgscan;
    660 	void *bgscan_priv;
    661 
    662 	const struct autoscan_ops *autoscan;
    663 	struct wpa_driver_scan_params *autoscan_params;
    664 	void *autoscan_priv;
    665 
    666 	struct wpa_ssid *connect_without_scan;
    667 
    668 	struct wps_ap_info *wps_ap;
    669 	size_t num_wps_ap;
    670 	int wps_ap_iter;
    671 
    672 	int after_wps;
    673 	int known_wps_freq;
    674 	unsigned int wps_freq;
    675 	u16 wps_ap_channel;
    676 	int wps_fragment_size;
    677 	int auto_reconnect_disabled;
    678 
    679 	 /* Channel preferences for AP/P2P GO use */
    680 	int best_24_freq;
    681 	int best_5_freq;
    682 	int best_overall_freq;
    683 
    684 	struct gas_query *gas;
    685 
    686 #ifdef CONFIG_INTERWORKING
    687 	unsigned int fetch_anqp_in_progress:1;
    688 	unsigned int network_select:1;
    689 	unsigned int auto_select:1;
    690 	unsigned int auto_network_select:1;
    691 	unsigned int fetch_all_anqp:1;
    692 	struct wpa_bss *interworking_gas_bss;
    693 #endif /* CONFIG_INTERWORKING */
    694 	unsigned int drv_capa_known;
    695 
    696 	struct {
    697 		struct hostapd_hw_modes *modes;
    698 		u16 num_modes;
    699 		u16 flags;
    700 	} hw;
    701 
    702 	int pno;
    703 
    704 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
    705 	int disconnect_reason;
    706 
    707 	struct ext_password_data *ext_pw;
    708 
    709 	struct wpabuf *last_gas_resp;
    710 	u8 last_gas_addr[ETH_ALEN];
    711 	u8 last_gas_dialog_token;
    712 
    713 	unsigned int no_keep_alive:1;
    714 
    715 #ifdef CONFIG_WNM
    716 	u8 wnm_dialog_token;
    717 	u8 wnm_reply;
    718 	u8 wnm_num_neighbor_report;
    719 	u8 wnm_mode;
    720 	u16 wnm_dissoc_timer;
    721 	u8 wnm_validity_interval;
    722 	u8 wnm_bss_termination_duration[12];
    723 	struct neighbor_report *wnm_neighbor_report_elements;
    724 #endif /* CONFIG_WNM */
    725 
    726 #ifdef CONFIG_TESTING_GET_GTK
    727 	u8 last_gtk[32];
    728 	size_t last_gtk_len;
    729 #endif /* CONFIG_TESTING_GET_GTK */
    730 
    731 	unsigned int num_multichan_concurrent;
    732 };
    733 
    734 
    735 /* wpa_supplicant.c */
    736 void wpa_supplicant_apply_ht_overrides(
    737 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    738 	struct wpa_driver_associate_params *params);
    739 void wpa_supplicant_apply_vht_overrides(
    740 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    741 	struct wpa_driver_associate_params *params);
    742 
    743 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    744 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
    745 				    struct wpa_ssid *ssid);
    746 
    747 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
    748 
    749 const char * wpa_supplicant_state_txt(enum wpa_states state);
    750 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
    751 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
    752 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
    753 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
    754 			      u8 *wpa_ie, size_t *wpa_ie_len);
    755 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
    756 			      struct wpa_bss *bss,
    757 			      struct wpa_ssid *ssid);
    758 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
    759 				       struct wpa_ssid *ssid);
    760 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
    761 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
    762 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
    763 				     int sec, int usec);
    764 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
    765 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
    766 			      enum wpa_states state);
    767 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
    768 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
    769 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
    770 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
    771 				   int reason_code);
    772 
    773 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
    774 				   struct wpa_ssid *ssid);
    775 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
    776 				    struct wpa_ssid *ssid);
    777 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
    778 				   struct wpa_ssid *ssid);
    779 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
    780 			       int ap_scan);
    781 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
    782 					  unsigned int expire_age);
    783 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
    784 					    unsigned int expire_count);
    785 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
    786 				     int scan_interval);
    787 int wpa_supplicant_set_debug_params(struct wpa_global *global,
    788 				    int debug_level, int debug_timestamp,
    789 				    int debug_show_keys);
    790 void free_hw_features(struct wpa_supplicant *wpa_s);
    791 
    792 void wpa_show_license(void);
    793 
    794 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
    795 						 struct wpa_interface *iface);
    796 int wpa_supplicant_remove_iface(struct wpa_global *global,
    797 				struct wpa_supplicant *wpa_s,
    798 				int terminate);
    799 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
    800 						 const char *ifname);
    801 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
    802 int wpa_supplicant_run(struct wpa_global *global);
    803 void wpa_supplicant_deinit(struct wpa_global *global);
    804 
    805 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
    806 			      struct wpa_ssid *ssid);
    807 void wpa_supplicant_terminate_proc(struct wpa_global *global);
    808 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
    809 			     const u8 *buf, size_t len);
    810 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
    811 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
    812 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
    813 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
    814 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
    815 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
    816 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
    817 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
    818 			      struct wpa_ssid *ssid, int clear_failures);
    819 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
    820 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
    821 		    size_t ssid_len);
    822 void wpas_request_connection(struct wpa_supplicant *wpa_s);
    823 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
    824 int wpas_wpa_is_in_progress(struct wpa_supplicant *wpa_s);
    825 
    826 /**
    827  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
    828  * @wpa_s: Pointer to wpa_supplicant data
    829  * @ssid: Pointer to the network block the reply is for
    830  * @field: field the response is a reply for
    831  * @value: value (ie, password, etc) for @field
    832  * Returns: 0 on success, non-zero on error
    833  *
    834  * Helper function to handle replies to control interface requests.
    835  */
    836 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
    837 					      struct wpa_ssid *ssid,
    838 					      const char *field,
    839 					      const char *value);
    840 
    841 /* events.c */
    842 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
    843 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
    844 			   struct wpa_bss *selected,
    845 			   struct wpa_ssid *ssid);
    846 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
    847 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
    848 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
    849 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
    850 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
    851 					     struct wpa_ssid **selected_ssid);
    852 
    853 /* eap_register.c */
    854 int eap_register_methods(void);
    855 
    856 /**
    857  * Utility method to tell if a given network is a persistent group
    858  * @ssid: Network object
    859  * Returns: 1 if network is a persistent group, 0 otherwise
    860  */
    861 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
    862 {
    863 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
    864 }
    865 
    866 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    867 
    868 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
    869 
    870 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
    871 			   int *freq_array, unsigned int len);
    872 
    873 #endif /* WPA_SUPPLICANT_I_H */
    874