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wpa_supplicant_i.h revision 1.1.1.5
      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 "config_ssid.h"
     15 
     16 extern const char *wpa_supplicant_version;
     17 extern const char *wpa_supplicant_license;
     18 #ifndef CONFIG_NO_STDOUT_DEBUG
     19 extern const char *wpa_supplicant_full_license1;
     20 extern const char *wpa_supplicant_full_license2;
     21 extern const char *wpa_supplicant_full_license3;
     22 extern const char *wpa_supplicant_full_license4;
     23 extern const char *wpa_supplicant_full_license5;
     24 #endif /* CONFIG_NO_STDOUT_DEBUG */
     25 
     26 struct wpa_sm;
     27 struct wpa_supplicant;
     28 struct ibss_rsn;
     29 struct scan_info;
     30 struct wpa_bss;
     31 struct wpa_scan_results;
     32 struct hostapd_hw_modes;
     33 struct wpa_driver_associate_params;
     34 
     35 /*
     36  * Forward declarations of private structures used within the ctrl_iface
     37  * backends. Other parts of wpa_supplicant do not have access to data stored in
     38  * these structures.
     39  */
     40 struct ctrl_iface_priv;
     41 struct ctrl_iface_global_priv;
     42 struct wpas_dbus_priv;
     43 
     44 /**
     45  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
     46  */
     47 struct wpa_interface {
     48 	/**
     49 	 * confname - Configuration name (file or profile) name
     50 	 *
     51 	 * This can also be %NULL when a configuration file is not used. In
     52 	 * that case, ctrl_interface must be set to allow the interface to be
     53 	 * configured.
     54 	 */
     55 	const char *confname;
     56 
     57 	/**
     58 	 * ctrl_interface - Control interface parameter
     59 	 *
     60 	 * If a configuration file is not used, this variable can be used to
     61 	 * set the ctrl_interface parameter that would have otherwise been read
     62 	 * from the configuration file. If both confname and ctrl_interface are
     63 	 * set, ctrl_interface is used to override the value from configuration
     64 	 * file.
     65 	 */
     66 	const char *ctrl_interface;
     67 
     68 	/**
     69 	 * driver - Driver interface name, or %NULL to use the default driver
     70 	 */
     71 	const char *driver;
     72 
     73 	/**
     74 	 * driver_param - Driver interface parameters
     75 	 *
     76 	 * If a configuration file is not used, this variable can be used to
     77 	 * set the driver_param parameters that would have otherwise been read
     78 	 * from the configuration file. If both confname and driver_param are
     79 	 * set, driver_param is used to override the value from configuration
     80 	 * file.
     81 	 */
     82 	const char *driver_param;
     83 
     84 	/**
     85 	 * ifname - Interface name
     86 	 */
     87 	const char *ifname;
     88 
     89 	/**
     90 	 * bridge_ifname - Optional bridge interface name
     91 	 *
     92 	 * If the driver interface (ifname) is included in a Linux bridge
     93 	 * device, the bridge interface may need to be used for receiving EAPOL
     94 	 * frames. This can be enabled by setting this variable to enable
     95 	 * receiving of EAPOL frames from an additional interface.
     96 	 */
     97 	const char *bridge_ifname;
     98 };
     99 
    100 /**
    101  * struct wpa_params - Parameters for wpa_supplicant_init()
    102  */
    103 struct wpa_params {
    104 	/**
    105 	 * daemonize - Run %wpa_supplicant in the background
    106 	 */
    107 	int daemonize;
    108 
    109 	/**
    110 	 * wait_for_monitor - Wait for a monitor program before starting
    111 	 */
    112 	int wait_for_monitor;
    113 
    114 	/**
    115 	 * pid_file - Path to a PID (process ID) file
    116 	 *
    117 	 * If this and daemonize are set, process ID of the background process
    118 	 * will be written to the specified file.
    119 	 */
    120 	char *pid_file;
    121 
    122 	/**
    123 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
    124 	 */
    125 	int wpa_debug_level;
    126 
    127 	/**
    128 	 * wpa_debug_show_keys - Whether keying material is included in debug
    129 	 *
    130 	 * This parameter can be used to allow keying material to be included
    131 	 * in debug messages. This is a security risk and this option should
    132 	 * not be enabled in normal configuration. If needed during
    133 	 * development or while troubleshooting, this option can provide more
    134 	 * details for figuring out what is happening.
    135 	 */
    136 	int wpa_debug_show_keys;
    137 
    138 	/**
    139 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
    140 	 */
    141 	int wpa_debug_timestamp;
    142 
    143 	/**
    144 	 * ctrl_interface - Global ctrl_iface path/parameter
    145 	 */
    146 	char *ctrl_interface;
    147 
    148 	/**
    149 	 * dbus_ctrl_interface - Enable the DBus control interface
    150 	 */
    151 	int dbus_ctrl_interface;
    152 
    153 	/**
    154 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
    155 	 */
    156 	const char *wpa_debug_file_path;
    157 
    158 	/**
    159 	 * wpa_debug_syslog - Enable log output through syslog
    160 	 */
    161 	int wpa_debug_syslog;
    162 
    163 	/**
    164 	 * wpa_debug_tracing - Enable log output through Linux tracing
    165 	 */
    166 	int wpa_debug_tracing;
    167 
    168 	/**
    169 	 * override_driver - Optional driver parameter override
    170 	 *
    171 	 * This parameter can be used to override the driver parameter in
    172 	 * dynamic interface addition to force a specific driver wrapper to be
    173 	 * used instead.
    174 	 */
    175 	char *override_driver;
    176 
    177 	/**
    178 	 * override_ctrl_interface - Optional ctrl_interface override
    179 	 *
    180 	 * This parameter can be used to override the ctrl_interface parameter
    181 	 * in dynamic interface addition to force a control interface to be
    182 	 * created.
    183 	 */
    184 	char *override_ctrl_interface;
    185 
    186 	/**
    187 	 * entropy_file - Optional entropy file
    188 	 *
    189 	 * This parameter can be used to configure wpa_supplicant to maintain
    190 	 * its internal entropy store over restarts.
    191 	 */
    192 	char *entropy_file;
    193 };
    194 
    195 struct p2p_srv_bonjour {
    196 	struct dl_list list;
    197 	struct wpabuf *query;
    198 	struct wpabuf *resp;
    199 };
    200 
    201 struct p2p_srv_upnp {
    202 	struct dl_list list;
    203 	u8 version;
    204 	char *service;
    205 };
    206 
    207 struct wpa_freq_range {
    208 	unsigned int min;
    209 	unsigned int max;
    210 };
    211 
    212 
    213 /**
    214  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
    215  *
    216  * This structure is initialized by calling wpa_supplicant_init() when starting
    217  * %wpa_supplicant.
    218  */
    219 struct wpa_global {
    220 	struct wpa_supplicant *ifaces;
    221 	struct wpa_params params;
    222 	struct ctrl_iface_global_priv *ctrl_iface;
    223 	struct wpas_dbus_priv *dbus;
    224 	void **drv_priv;
    225 	size_t drv_count;
    226 	struct os_time suspend_time;
    227 	struct p2p_data *p2p;
    228 	struct wpa_supplicant *p2p_init_wpa_s;
    229 	struct wpa_supplicant *p2p_group_formation;
    230 	u8 p2p_dev_addr[ETH_ALEN];
    231 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
    232 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
    233 	int p2p_disabled;
    234 	int cross_connection;
    235 	struct wpa_freq_range *p2p_disallow_freq;
    236 	unsigned int num_p2p_disallow_freq;
    237 	enum wpa_conc_pref {
    238 		WPA_CONC_PREF_NOT_SET,
    239 		WPA_CONC_PREF_STA,
    240 		WPA_CONC_PREF_P2P
    241 	} conc_pref;
    242 	unsigned int p2p_cb_on_scan_complete:1;
    243 
    244 #ifdef CONFIG_WIFI_DISPLAY
    245 	int wifi_display;
    246 #define MAX_WFD_SUBELEMS 10
    247 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
    248 #endif /* CONFIG_WIFI_DISPLAY */
    249 };
    250 
    251 
    252 /**
    253  * offchannel_send_action_result - Result of offchannel send Action frame
    254  */
    255 enum offchannel_send_action_result {
    256 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
    257 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
    258 				       */,
    259 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
    260 				       */
    261 };
    262 
    263 struct wps_ap_info {
    264 	u8 bssid[ETH_ALEN];
    265 	enum wps_ap_info_type {
    266 		WPS_AP_NOT_SEL_REG,
    267 		WPS_AP_SEL_REG,
    268 		WPS_AP_SEL_REG_OUR
    269 	} type;
    270 	unsigned int tries;
    271 	struct os_time last_attempt;
    272 };
    273 
    274 struct wpa_ssid_value {
    275 	u8 ssid[32];
    276 	size_t ssid_len;
    277 };
    278 
    279 /**
    280  * struct wpa_supplicant - Internal data for wpa_supplicant interface
    281  *
    282  * This structure contains the internal data for core wpa_supplicant code. This
    283  * should be only used directly from the core code. However, a pointer to this
    284  * data is used from other files as an arbitrary context pointer in calls to
    285  * core functions.
    286  */
    287 struct wpa_supplicant {
    288 	struct wpa_global *global;
    289 	struct wpa_supplicant *parent;
    290 	struct wpa_supplicant *next;
    291 	struct l2_packet_data *l2;
    292 	struct l2_packet_data *l2_br;
    293 	unsigned char own_addr[ETH_ALEN];
    294 	char ifname[100];
    295 #ifdef CONFIG_CTRL_IFACE_DBUS
    296 	char *dbus_path;
    297 #endif /* CONFIG_CTRL_IFACE_DBUS */
    298 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
    299 	char *dbus_new_path;
    300 	char *dbus_groupobj_path;
    301 #ifdef CONFIG_AP
    302 	char *preq_notify_peer;
    303 #endif /* CONFIG_AP */
    304 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
    305 	char bridge_ifname[16];
    306 
    307 	char *confname;
    308 	struct wpa_config *conf;
    309 	int countermeasures;
    310 	os_time_t last_michael_mic_error;
    311 	u8 bssid[ETH_ALEN];
    312 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
    313 				     * field contains the target BSSID. */
    314 	int reassociate; /* reassociation requested */
    315 	int disconnected; /* all connections disabled; i.e., do no reassociate
    316 			   * before this has been cleared */
    317 	struct wpa_ssid *current_ssid;
    318 	struct wpa_bss *current_bss;
    319 	int ap_ies_from_associnfo;
    320 	unsigned int assoc_freq;
    321 
    322 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
    323 	int pairwise_cipher;
    324 	int group_cipher;
    325 	int key_mgmt;
    326 	int wpa_proto;
    327 	int mgmt_group_cipher;
    328 
    329 	void *drv_priv; /* private data used by driver_ops */
    330 	void *global_drv_priv;
    331 
    332 	u8 *bssid_filter;
    333 	size_t bssid_filter_count;
    334 
    335 	u8 *disallow_aps_bssid;
    336 	size_t disallow_aps_bssid_count;
    337 	struct wpa_ssid_value *disallow_aps_ssid;
    338 	size_t disallow_aps_ssid_count;
    339 
    340 	/* previous scan was wildcard when interleaving between
    341 	 * wildcard scans and specific SSID scan when max_ssids=1 */
    342 	int prev_scan_wildcard;
    343 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
    344 					  * NULL = not yet initialized (start
    345 					  * with wildcard SSID)
    346 					  * WILDCARD_SSID_SCAN = wildcard
    347 					  * SSID was used in the previous scan
    348 					  */
    349 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
    350 
    351 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
    352 	int sched_scan_timeout;
    353 	int sched_scan_interval;
    354 	int first_sched_scan;
    355 	int sched_scan_timed_out;
    356 
    357 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
    358 				 struct wpa_scan_results *scan_res);
    359 	struct dl_list bss; /* struct wpa_bss::list */
    360 	struct dl_list bss_id; /* struct wpa_bss::list_id */
    361 	size_t num_bss;
    362 	unsigned int bss_update_idx;
    363 	unsigned int bss_next_id;
    364 
    365 	 /*
    366 	  * Pointers to BSS entries in the order they were in the last scan
    367 	  * results.
    368 	  */
    369 	struct wpa_bss **last_scan_res;
    370 	unsigned int last_scan_res_used;
    371 	unsigned int last_scan_res_size;
    372 	int last_scan_full;
    373 	struct os_time last_scan;
    374 
    375 	struct wpa_driver_ops *driver;
    376 	int interface_removed; /* whether the network interface has been
    377 				* removed */
    378 	struct wpa_sm *wpa;
    379 	struct eapol_sm *eapol;
    380 
    381 	struct ctrl_iface_priv *ctrl_iface;
    382 
    383 	enum wpa_states wpa_state;
    384 	int scanning;
    385 	int sched_scanning;
    386 	int new_connection;
    387 
    388 	int eapol_received; /* number of EAPOL packets received after the
    389 			     * previous association event */
    390 
    391 	struct scard_data *scard;
    392 #ifdef PCSC_FUNCS
    393 	char imsi[20];
    394 	int mnc_len;
    395 #endif /* PCSC_FUNCS */
    396 
    397 	unsigned char last_eapol_src[ETH_ALEN];
    398 
    399 	int keys_cleared;
    400 
    401 	struct wpa_blacklist *blacklist;
    402 
    403 	/**
    404 	 * extra_blacklist_count - Sum of blacklist counts after last connection
    405 	 *
    406 	 * This variable is used to maintain a count of temporary blacklisting
    407 	 * failures (maximum number for any BSS) over blacklist clear
    408 	 * operations. This is needed for figuring out whether there has been
    409 	 * failures prior to the last blacklist clear operation which happens
    410 	 * whenever no other not-blacklisted BSS candidates are available. This
    411 	 * gets cleared whenever a connection has been established successfully.
    412 	 */
    413 	int extra_blacklist_count;
    414 
    415 	/**
    416 	 * scan_req - Type of the scan request
    417 	 */
    418 	enum scan_req_type {
    419 		/**
    420 		 * NORMAL_SCAN_REQ - Normal scan request
    421 		 *
    422 		 * This is used for scans initiated by wpa_supplicant to find an
    423 		 * AP for a connection.
    424 		 */
    425 		NORMAL_SCAN_REQ,
    426 
    427 		/**
    428 		 * INITIAL_SCAN_REQ - Initial scan request
    429 		 *
    430 		 * This is used for the first scan on an interface to force at
    431 		 * least one scan to be run even if the configuration does not
    432 		 * include any enabled networks.
    433 		 */
    434 		INITIAL_SCAN_REQ,
    435 
    436 		/**
    437 		 * MANUAL_SCAN_REQ - Manual scan request
    438 		 *
    439 		 * This is used for scans where the user request a scan or
    440 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
    441 		 * to be run.
    442 		 */
    443 		MANUAL_SCAN_REQ
    444 	} scan_req;
    445 	int scan_runs; /* number of scan runs since WPS was started */
    446 	int *next_scan_freqs;
    447 	int scan_interval; /* time in sec between scans to find suitable AP */
    448 	int normal_scans; /* normal scans run before sched_scan */
    449 	int scan_for_connection; /* whether the scan request was triggered for
    450 				  * finding a connection */
    451 
    452 	unsigned int drv_flags;
    453 	unsigned int drv_enc;
    454 
    455 	/*
    456 	 * A bitmap of supported protocols for probe response offload. See
    457 	 * struct wpa_driver_capa in driver.h
    458 	 */
    459 	unsigned int probe_resp_offloads;
    460 
    461 	int max_scan_ssids;
    462 	int max_sched_scan_ssids;
    463 	int sched_scan_supported;
    464 	unsigned int max_match_sets;
    465 	unsigned int max_remain_on_chan;
    466 	unsigned int max_stations;
    467 
    468 	int pending_mic_error_report;
    469 	int pending_mic_error_pairwise;
    470 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
    471 
    472 	struct wps_context *wps;
    473 	int wps_success; /* WPS success event received */
    474 	struct wps_er *wps_er;
    475 	int blacklist_cleared;
    476 
    477 	struct wpabuf *pending_eapol_rx;
    478 	struct os_time pending_eapol_rx_time;
    479 	u8 pending_eapol_rx_src[ETH_ALEN];
    480 	unsigned int last_eapol_matches_bssid:1;
    481 
    482 	struct ibss_rsn *ibss_rsn;
    483 
    484 	int set_sta_uapsd;
    485 	int sta_uapsd;
    486 	int set_ap_uapsd;
    487 	int ap_uapsd;
    488 
    489 #ifdef CONFIG_SME
    490 	struct {
    491 		u8 ssid[32];
    492 		size_t ssid_len;
    493 		int freq;
    494 		u8 assoc_req_ie[200];
    495 		size_t assoc_req_ie_len;
    496 		int mfp;
    497 		int ft_used;
    498 		u8 mobility_domain[2];
    499 		u8 *ft_ies;
    500 		size_t ft_ies_len;
    501 		u8 prev_bssid[ETH_ALEN];
    502 		int prev_bssid_set;
    503 		int auth_alg;
    504 		int proto;
    505 
    506 		int sa_query_count; /* number of pending SA Query requests;
    507 				     * 0 = no SA Query in progress */
    508 		int sa_query_timed_out;
    509 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
    510 					* sa_query_count octets of pending
    511 					* SA Query transaction identifiers */
    512 		struct os_time sa_query_start;
    513 		u8 sched_obss_scan;
    514 		u16 obss_scan_int;
    515 		u16 bss_max_idle_period;
    516 		enum {
    517 			SME_SAE_INIT,
    518 			SME_SAE_COMMIT,
    519 			SME_SAE_CONFIRM
    520 		} sae_state;
    521 		u16 sae_send_confirm;
    522 	} sme;
    523 #endif /* CONFIG_SME */
    524 
    525 #ifdef CONFIG_AP
    526 	struct hostapd_iface *ap_iface;
    527 	void (*ap_configured_cb)(void *ctx, void *data);
    528 	void *ap_configured_cb_ctx;
    529 	void *ap_configured_cb_data;
    530 #endif /* CONFIG_AP */
    531 
    532 	unsigned int off_channel_freq;
    533 	struct wpabuf *pending_action_tx;
    534 	u8 pending_action_src[ETH_ALEN];
    535 	u8 pending_action_dst[ETH_ALEN];
    536 	u8 pending_action_bssid[ETH_ALEN];
    537 	unsigned int pending_action_freq;
    538 	int pending_action_no_cck;
    539 	int pending_action_without_roc;
    540 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
    541 					    unsigned int freq, const u8 *dst,
    542 					    const u8 *src, const u8 *bssid,
    543 					    const u8 *data, size_t data_len,
    544 					    enum offchannel_send_action_result
    545 					    result);
    546 	unsigned int roc_waiting_drv_freq;
    547 	int action_tx_wait_time;
    548 
    549 #ifdef CONFIG_P2P
    550 	struct p2p_go_neg_results *go_params;
    551 	int create_p2p_iface;
    552 	u8 pending_interface_addr[ETH_ALEN];
    553 	char pending_interface_name[100];
    554 	int pending_interface_type;
    555 	int p2p_group_idx;
    556 	unsigned int pending_listen_freq;
    557 	unsigned int pending_listen_duration;
    558 	enum {
    559 		NOT_P2P_GROUP_INTERFACE,
    560 		P2P_GROUP_INTERFACE_PENDING,
    561 		P2P_GROUP_INTERFACE_GO,
    562 		P2P_GROUP_INTERFACE_CLIENT
    563 	} p2p_group_interface;
    564 	struct p2p_group *p2p_group;
    565 	int p2p_long_listen; /* remaining time in long Listen state in ms */
    566 	char p2p_pin[10];
    567 	int p2p_wps_method;
    568 	u8 p2p_auth_invite[ETH_ALEN];
    569 	int p2p_sd_over_ctrl_iface;
    570 	int p2p_in_provisioning;
    571 	int pending_invite_ssid_id;
    572 	int show_group_started;
    573 	u8 go_dev_addr[ETH_ALEN];
    574 	int pending_pd_before_join;
    575 	u8 pending_join_iface_addr[ETH_ALEN];
    576 	u8 pending_join_dev_addr[ETH_ALEN];
    577 	int pending_join_wps_method;
    578 	int p2p_join_scan_count;
    579 	int auto_pd_scan_retry;
    580 	int force_long_sd;
    581 	u16 pending_pd_config_methods;
    582 	enum {
    583 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
    584 	} pending_pd_use;
    585 
    586 	/*
    587 	 * Whether cross connection is disallowed by the AP to which this
    588 	 * interface is associated (only valid if there is an association).
    589 	 */
    590 	int cross_connect_disallowed;
    591 
    592 	/*
    593 	 * Whether this P2P group is configured to use cross connection (only
    594 	 * valid if this is P2P GO interface). The actual cross connect packet
    595 	 * forwarding may not be configured depending on the uplink status.
    596 	 */
    597 	int cross_connect_enabled;
    598 
    599 	/* Whether cross connection forwarding is in use at the moment. */
    600 	int cross_connect_in_use;
    601 
    602 	/*
    603 	 * Uplink interface name for cross connection
    604 	 */
    605 	char cross_connect_uplink[100];
    606 
    607 	unsigned int sta_scan_pending:1;
    608 	unsigned int p2p_auto_join:1;
    609 	unsigned int p2p_auto_pd:1;
    610 	unsigned int p2p_persistent_group:1;
    611 	unsigned int p2p_fallback_to_go_neg:1;
    612 	unsigned int p2p_pd_before_go_neg:1;
    613 	unsigned int p2p_go_ht40:1;
    614 	unsigned int user_initiated_pd:1;
    615 	int p2p_persistent_go_freq;
    616 	int p2p_persistent_id;
    617 	int p2p_go_intent;
    618 	int p2p_connect_freq;
    619 	struct os_time p2p_auto_started;
    620 #endif /* CONFIG_P2P */
    621 
    622 	struct wpa_ssid *bgscan_ssid;
    623 	const struct bgscan_ops *bgscan;
    624 	void *bgscan_priv;
    625 
    626 	const struct autoscan_ops *autoscan;
    627 	struct wpa_driver_scan_params *autoscan_params;
    628 	void *autoscan_priv;
    629 
    630 	struct wpa_ssid *connect_without_scan;
    631 
    632 	struct wps_ap_info *wps_ap;
    633 	size_t num_wps_ap;
    634 	int wps_ap_iter;
    635 
    636 	int after_wps;
    637 	int known_wps_freq;
    638 	unsigned int wps_freq;
    639 	u16 wps_ap_channel;
    640 	int wps_fragment_size;
    641 	int auto_reconnect_disabled;
    642 
    643 	 /* Channel preferences for AP/P2P GO use */
    644 	int best_24_freq;
    645 	int best_5_freq;
    646 	int best_overall_freq;
    647 
    648 	struct gas_query *gas;
    649 
    650 #ifdef CONFIG_INTERWORKING
    651 	unsigned int fetch_anqp_in_progress:1;
    652 	unsigned int network_select:1;
    653 	unsigned int auto_select:1;
    654 	unsigned int auto_network_select:1;
    655 	unsigned int fetch_all_anqp:1;
    656 #endif /* CONFIG_INTERWORKING */
    657 	unsigned int drv_capa_known;
    658 
    659 	struct {
    660 		struct hostapd_hw_modes *modes;
    661 		u16 num_modes;
    662 		u16 flags;
    663 	} hw;
    664 
    665 	int pno;
    666 
    667 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
    668 	int disconnect_reason;
    669 
    670 	struct ext_password_data *ext_pw;
    671 
    672 	struct wpabuf *last_gas_resp;
    673 	u8 last_gas_addr[ETH_ALEN];
    674 	u8 last_gas_dialog_token;
    675 
    676 	unsigned int no_keep_alive:1;
    677 };
    678 
    679 
    680 /* wpa_supplicant.c */
    681 void wpa_supplicant_apply_ht_overrides(
    682 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    683 	struct wpa_driver_associate_params *params);
    684 
    685 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    686 
    687 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
    688 
    689 const char * wpa_supplicant_state_txt(enum wpa_states state);
    690 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
    691 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
    692 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
    693 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
    694 			      u8 *wpa_ie, size_t *wpa_ie_len);
    695 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
    696 			      struct wpa_bss *bss,
    697 			      struct wpa_ssid *ssid);
    698 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
    699 				       struct wpa_ssid *ssid);
    700 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
    701 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
    702 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
    703 				     int sec, int usec);
    704 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
    705 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
    706 			      enum wpa_states state);
    707 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
    708 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
    709 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
    710 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
    711 				   int reason_code);
    712 
    713 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
    714 				   struct wpa_ssid *ssid);
    715 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
    716 				    struct wpa_ssid *ssid);
    717 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
    718 				   struct wpa_ssid *ssid);
    719 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
    720 			       int ap_scan);
    721 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
    722 					  unsigned int expire_age);
    723 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
    724 					    unsigned int expire_count);
    725 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
    726 				     int scan_interval);
    727 int wpa_supplicant_set_debug_params(struct wpa_global *global,
    728 				    int debug_level, int debug_timestamp,
    729 				    int debug_show_keys);
    730 void free_hw_features(struct wpa_supplicant *wpa_s);
    731 
    732 void wpa_show_license(void);
    733 
    734 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
    735 						 struct wpa_interface *iface);
    736 int wpa_supplicant_remove_iface(struct wpa_global *global,
    737 				struct wpa_supplicant *wpa_s,
    738 				int terminate);
    739 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
    740 						 const char *ifname);
    741 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
    742 int wpa_supplicant_run(struct wpa_global *global);
    743 void wpa_supplicant_deinit(struct wpa_global *global);
    744 
    745 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
    746 			      struct wpa_ssid *ssid);
    747 void wpa_supplicant_terminate_proc(struct wpa_global *global);
    748 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
    749 			     const u8 *buf, size_t len);
    750 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
    751 enum wpa_cipher cipher_suite2driver(int cipher);
    752 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
    753 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
    754 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
    755 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
    756 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
    757 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
    758 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
    759 			      struct wpa_ssid *ssid, int clear_failures);
    760 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
    761 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
    762 		    size_t ssid_len);
    763 void wpas_request_connection(struct wpa_supplicant *wpa_s);
    764 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
    765 
    766 /**
    767  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
    768  * @wpa_s: Pointer to wpa_supplicant data
    769  * @ssid: Pointer to the network block the reply is for
    770  * @field: field the response is a reply for
    771  * @value: value (ie, password, etc) for @field
    772  * Returns: 0 on success, non-zero on error
    773  *
    774  * Helper function to handle replies to control interface requests.
    775  */
    776 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
    777 					      struct wpa_ssid *ssid,
    778 					      const char *field,
    779 					      const char *value);
    780 
    781 /* events.c */
    782 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
    783 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
    784 			   struct wpa_bss *selected,
    785 			   struct wpa_ssid *ssid);
    786 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
    787 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
    788 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
    789 int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s);
    790 
    791 /* eap_register.c */
    792 int eap_register_methods(void);
    793 
    794 /**
    795  * Utility method to tell if a given network is a persistent group
    796  * @ssid: Network object
    797  * Returns: 1 if network is a persistent group, 0 otherwise
    798  */
    799 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
    800 {
    801 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
    802 }
    803 
    804 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    805 
    806 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
    807 
    808 #endif /* WPA_SUPPLICANT_I_H */
    809