2 * wpa_supplicant - Internal definitions
3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #ifndef WPA_SUPPLICANT_I_H
10 #define WPA_SUPPLICANT_I_H
12 #include "utils/list.h"
13 #include "common/defs.h"
14 #include "config_ssid.h"
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 */
27 struct wpa_supplicant
;
31 struct wpa_scan_results
;
32 struct hostapd_hw_modes
;
33 struct wpa_driver_associate_params
;
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
40 struct ctrl_iface_priv
;
41 struct ctrl_iface_global_priv
;
42 struct wpas_dbus_priv
;
45 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
47 struct wpa_interface
{
49 * confname - Configuration name (file or profile) name
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
58 * ctrl_interface - Control interface parameter
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
66 const char *ctrl_interface
;
69 * driver - Driver interface name, or %NULL to use the default driver
74 * driver_param - Driver interface parameters
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
82 const char *driver_param
;
85 * ifname - Interface name
90 * bridge_ifname - Optional bridge interface name
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.
97 const char *bridge_ifname
;
101 * struct wpa_params - Parameters for wpa_supplicant_init()
105 * daemonize - Run %wpa_supplicant in the background
110 * wait_for_monitor - Wait for a monitor program before starting
112 int wait_for_monitor
;
115 * pid_file - Path to a PID (process ID) file
117 * If this and daemonize are set, process ID of the background process
118 * will be written to the specified file.
123 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
128 * wpa_debug_show_keys - Whether keying material is included in debug
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.
136 int wpa_debug_show_keys
;
139 * wpa_debug_timestamp - Whether to include timestamp in debug messages
141 int wpa_debug_timestamp
;
144 * ctrl_interface - Global ctrl_iface path/parameter
146 char *ctrl_interface
;
149 * dbus_ctrl_interface - Enable the DBus control interface
151 int dbus_ctrl_interface
;
154 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
156 const char *wpa_debug_file_path
;
159 * wpa_debug_syslog - Enable log output through syslog
161 int wpa_debug_syslog
;
164 * wpa_debug_tracing - Enable log output through Linux tracing
166 int wpa_debug_tracing
;
169 * override_driver - Optional driver parameter override
171 * This parameter can be used to override the driver parameter in
172 * dynamic interface addition to force a specific driver wrapper to be
175 char *override_driver
;
178 * override_ctrl_interface - Optional ctrl_interface override
180 * This parameter can be used to override the ctrl_interface parameter
181 * in dynamic interface addition to force a control interface to be
184 char *override_ctrl_interface
;
187 * entropy_file - Optional entropy file
189 * This parameter can be used to configure wpa_supplicant to maintain
190 * its internal entropy store over restarts.
195 struct p2p_srv_bonjour
{
197 struct wpabuf
*query
;
201 struct p2p_srv_upnp
{
207 struct wpa_freq_range
{
214 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
216 * This structure is initialized by calling wpa_supplicant_init() when starting
220 struct wpa_supplicant
*ifaces
;
221 struct wpa_params params
;
222 struct ctrl_iface_global_priv
*ctrl_iface
;
223 struct wpas_dbus_priv
*dbus
;
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 */
234 int cross_connection
;
235 struct wpa_freq_range
*p2p_disallow_freq
;
236 unsigned int num_p2p_disallow_freq
;
238 WPA_CONC_PREF_NOT_SET
,
245 enum offchannel_send_action_result
{
246 OFFCHANNEL_SEND_ACTION_SUCCESS
/* Frame was send and acknowledged */,
247 OFFCHANNEL_SEND_ACTION_NO_ACK
/* Frame was sent, but not acknowledged
249 OFFCHANNEL_SEND_ACTION_FAILED
/* Frame was not sent due to a failure */
253 * struct wpa_supplicant - Internal data for wpa_supplicant interface
255 * This structure contains the internal data for core wpa_supplicant code. This
256 * should be only used directly from the core code. However, a pointer to this
257 * data is used from other files as an arbitrary context pointer in calls to
260 struct wpa_supplicant
{
261 struct wpa_global
*global
;
262 struct wpa_supplicant
*parent
;
263 struct wpa_supplicant
*next
;
264 struct l2_packet_data
*l2
;
265 struct l2_packet_data
*l2_br
;
266 unsigned char own_addr
[ETH_ALEN
];
268 #ifdef CONFIG_CTRL_IFACE_DBUS
270 #endif /* CONFIG_CTRL_IFACE_DBUS */
271 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
273 char *dbus_groupobj_path
;
275 char *preq_notify_peer
;
276 #endif /* CONFIG_AP */
277 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
278 char bridge_ifname
[16];
281 struct wpa_config
*conf
;
283 os_time_t last_michael_mic_error
;
285 u8 pending_bssid
[ETH_ALEN
]; /* If wpa_state == WPA_ASSOCIATING, this
286 * field contains the target BSSID. */
287 int reassociate
; /* reassociation requested */
288 int disconnected
; /* all connections disabled; i.e., do no reassociate
289 * before this has been cleared */
290 struct wpa_ssid
*current_ssid
;
291 struct wpa_bss
*current_bss
;
292 int ap_ies_from_associnfo
;
293 unsigned int assoc_freq
;
295 /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
300 int mgmt_group_cipher
;
302 void *drv_priv
; /* private data used by driver_ops */
303 void *global_drv_priv
;
306 size_t bssid_filter_count
;
308 /* previous scan was wildcard when interleaving between
309 * wildcard scans and specific SSID scan when max_ssids=1 */
310 int prev_scan_wildcard
;
311 struct wpa_ssid
*prev_scan_ssid
; /* previously scanned SSID;
312 * NULL = not yet initialized (start
313 * with wildcard SSID)
314 * WILDCARD_SSID_SCAN = wildcard
315 * SSID was used in the previous scan
317 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
319 struct wpa_ssid
*prev_sched_ssid
; /* last SSID used in sched scan */
320 int sched_scan_timeout
;
321 int sched_scan_interval
;
322 int first_sched_scan
;
323 int sched_scan_timed_out
;
325 void (*scan_res_handler
)(struct wpa_supplicant
*wpa_s
,
326 struct wpa_scan_results
*scan_res
);
327 struct dl_list bss
; /* struct wpa_bss::list */
328 struct dl_list bss_id
; /* struct wpa_bss::list_id */
330 unsigned int bss_update_idx
;
331 unsigned int bss_next_id
;
333 struct wpa_driver_ops
*driver
;
334 int interface_removed
; /* whether the network interface has been
337 struct eapol_sm
*eapol
;
339 struct ctrl_iface_priv
*ctrl_iface
;
341 enum wpa_states wpa_state
;
345 int reassociated_connection
;
347 int eapol_received
; /* number of EAPOL packets received after the
348 * previous association event */
350 struct scard_data
*scard
;
354 #endif /* PCSC_FUNCS */
356 unsigned char last_eapol_src
[ETH_ALEN
];
360 struct wpa_blacklist
*blacklist
;
362 int scan_req
; /* manual scan request; this forces a scan even if there
363 * are no enabled networks in the configuration */
364 int scan_runs
; /* number of scan runs since WPS was started */
365 int *next_scan_freqs
;
366 int scan_interval
; /* time in sec between scans to find suitable AP */
367 int normal_scans
; /* normal scans run before sched_scan */
369 unsigned int drv_flags
;
370 unsigned int drv_enc
;
373 * A bitmap of supported protocols for probe response offload. See
374 * struct wpa_driver_capa in driver.h
376 unsigned int probe_resp_offloads
;
379 int max_sched_scan_ssids
;
380 int sched_scan_supported
;
381 unsigned int max_match_sets
;
382 unsigned int max_remain_on_chan
;
383 unsigned int max_stations
;
385 int pending_mic_error_report
;
386 int pending_mic_error_pairwise
;
387 int mic_errors_seen
; /* Michael MIC errors with the current PTK */
389 struct wps_context
*wps
;
390 int wps_success
; /* WPS success event received */
391 struct wps_er
*wps_er
;
392 int blacklist_cleared
;
394 struct wpabuf
*pending_eapol_rx
;
395 struct os_time pending_eapol_rx_time
;
396 u8 pending_eapol_rx_src
[ETH_ALEN
];
398 struct ibss_rsn
*ibss_rsn
;
410 u8 assoc_req_ie
[200];
411 size_t assoc_req_ie_len
;
414 u8 mobility_domain
[2];
417 u8 prev_bssid
[ETH_ALEN
];
422 int sa_query_count
; /* number of pending SA Query requests;
423 * 0 = no SA Query in progress */
424 int sa_query_timed_out
;
425 u8
*sa_query_trans_id
; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
426 * sa_query_count octets of pending
427 * SA Query transaction identifiers */
428 struct os_time sa_query_start
;
431 u16 bss_max_idle_period
;
433 #endif /* CONFIG_SME */
436 struct hostapd_iface
*ap_iface
;
437 void (*ap_configured_cb
)(void *ctx
, void *data
);
438 void *ap_configured_cb_ctx
;
439 void *ap_configured_cb_data
;
440 #endif /* CONFIG_AP */
442 unsigned int off_channel_freq
;
443 struct wpabuf
*pending_action_tx
;
444 u8 pending_action_src
[ETH_ALEN
];
445 u8 pending_action_dst
[ETH_ALEN
];
446 u8 pending_action_bssid
[ETH_ALEN
];
447 unsigned int pending_action_freq
;
448 int pending_action_no_cck
;
449 int pending_action_without_roc
;
450 void (*pending_action_tx_status_cb
)(struct wpa_supplicant
*wpa_s
,
451 unsigned int freq
, const u8
*dst
,
452 const u8
*src
, const u8
*bssid
,
453 const u8
*data
, size_t data_len
,
454 enum offchannel_send_action_result
456 unsigned int roc_waiting_drv_freq
;
457 int action_tx_wait_time
;
460 struct p2p_go_neg_results
*go_params
;
461 int create_p2p_iface
;
462 u8 pending_interface_addr
[ETH_ALEN
];
463 char pending_interface_name
[100];
464 int pending_interface_type
;
466 unsigned int pending_listen_freq
;
467 unsigned int pending_listen_duration
;
469 NOT_P2P_GROUP_INTERFACE
,
470 P2P_GROUP_INTERFACE_PENDING
,
471 P2P_GROUP_INTERFACE_GO
,
472 P2P_GROUP_INTERFACE_CLIENT
473 } p2p_group_interface
;
474 struct p2p_group
*p2p_group
;
475 int p2p_long_listen
; /* remaining time in long Listen state in ms */
478 u8 p2p_auth_invite
[ETH_ALEN
];
479 int p2p_sd_over_ctrl_iface
;
480 int p2p_in_provisioning
;
481 int pending_invite_ssid_id
;
482 int show_group_started
;
483 u8 go_dev_addr
[ETH_ALEN
];
484 int pending_pd_before_join
;
485 u8 pending_join_iface_addr
[ETH_ALEN
];
486 u8 pending_join_dev_addr
[ETH_ALEN
];
487 int pending_join_wps_method
;
488 int p2p_join_scan_count
;
489 int auto_pd_scan_retry
;
491 u16 pending_pd_config_methods
;
493 NORMAL_PD
, AUTO_PD_GO_NEG
, AUTO_PD_JOIN
497 * Whether cross connection is disallowed by the AP to which this
498 * interface is associated (only valid if there is an association).
500 int cross_connect_disallowed
;
503 * Whether this P2P group is configured to use cross connection (only
504 * valid if this is P2P GO interface). The actual cross connect packet
505 * forwarding may not be configured depending on the uplink status.
507 int cross_connect_enabled
;
509 /* Whether cross connection forwarding is in use at the moment. */
510 int cross_connect_in_use
;
513 * Uplink interface name for cross connection
515 char cross_connect_uplink
[100];
517 unsigned int p2p_cb_on_scan_complete
:1;
518 unsigned int p2p_auto_join
:1;
519 unsigned int p2p_auto_pd
:1;
520 unsigned int p2p_persistent_group
:1;
521 unsigned int p2p_fallback_to_go_neg
:1;
522 unsigned int p2p_pd_before_go_neg
:1;
523 unsigned int p2p_go_ht40
:1;
524 int p2p_persistent_id
;
526 int p2p_connect_freq
;
527 struct os_time p2p_auto_started
;
528 #endif /* CONFIG_P2P */
530 struct wpa_ssid
*bgscan_ssid
;
531 const struct bgscan_ops
*bgscan
;
534 const struct autoscan_ops
*autoscan
;
535 struct wpa_driver_scan_params
*autoscan_params
;
538 struct wpa_ssid
*connect_without_scan
;
542 unsigned int wps_freq
;
543 int wps_fragment_size
;
544 int auto_reconnect_disabled
;
546 /* Channel preferences for AP/P2P GO use */
549 int best_overall_freq
;
551 struct gas_query
*gas
;
553 #ifdef CONFIG_INTERWORKING
554 unsigned int fetch_anqp_in_progress
:1;
555 unsigned int network_select
:1;
556 unsigned int auto_select
:1;
557 #endif /* CONFIG_INTERWORKING */
558 unsigned int drv_capa_known
;
561 struct hostapd_hw_modes
*modes
;
568 /* WLAN_REASON_* reason codes. Negative if locally generated. */
569 int disconnect_reason
;
571 struct ext_password_data
*ext_pw
;
575 /* wpa_supplicant.c */
576 void wpa_supplicant_apply_ht_overrides(
577 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
578 struct wpa_driver_associate_params
*params
);
580 int wpa_set_wep_keys(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
);
582 int wpa_supplicant_reload_configuration(struct wpa_supplicant
*wpa_s
);
584 const char * wpa_supplicant_state_txt(enum wpa_states state
);
585 int wpa_supplicant_update_mac_addr(struct wpa_supplicant
*wpa_s
);
586 int wpa_supplicant_driver_init(struct wpa_supplicant
*wpa_s
);
587 int wpa_supplicant_set_suites(struct wpa_supplicant
*wpa_s
,
588 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
,
589 u8
*wpa_ie
, size_t *wpa_ie_len
);
590 void wpa_supplicant_associate(struct wpa_supplicant
*wpa_s
,
592 struct wpa_ssid
*ssid
);
593 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant
*wpa_s
,
594 struct wpa_ssid
*ssid
);
595 void wpa_supplicant_initiate_eapol(struct wpa_supplicant
*wpa_s
);
596 void wpa_clear_keys(struct wpa_supplicant
*wpa_s
, const u8
*addr
);
597 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant
*wpa_s
,
599 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant
*wpa_s
);
600 void wpa_supplicant_set_state(struct wpa_supplicant
*wpa_s
,
601 enum wpa_states state
);
602 struct wpa_ssid
* wpa_supplicant_get_ssid(struct wpa_supplicant
*wpa_s
);
603 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant
*wpa_s
);
604 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant
*wpa_s
);
605 void wpa_supplicant_deauthenticate(struct wpa_supplicant
*wpa_s
,
607 void wpa_supplicant_disassociate(struct wpa_supplicant
*wpa_s
,
610 void wpa_supplicant_enable_network(struct wpa_supplicant
*wpa_s
,
611 struct wpa_ssid
*ssid
);
612 void wpa_supplicant_disable_network(struct wpa_supplicant
*wpa_s
,
613 struct wpa_ssid
*ssid
);
614 void wpa_supplicant_select_network(struct wpa_supplicant
*wpa_s
,
615 struct wpa_ssid
*ssid
);
616 int wpa_supplicant_set_ap_scan(struct wpa_supplicant
*wpa_s
,
618 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant
*wpa_s
,
619 unsigned int expire_age
);
620 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant
*wpa_s
,
621 unsigned int expire_count
);
622 int wpa_supplicant_set_scan_interval(struct wpa_supplicant
*wpa_s
,
624 int wpa_supplicant_set_debug_params(struct wpa_global
*global
,
625 int debug_level
, int debug_timestamp
,
626 int debug_show_keys
);
627 void free_hw_features(struct wpa_supplicant
*wpa_s
);
629 void wpa_show_license(void);
631 struct wpa_supplicant
* wpa_supplicant_add_iface(struct wpa_global
*global
,
632 struct wpa_interface
*iface
);
633 int wpa_supplicant_remove_iface(struct wpa_global
*global
,
634 struct wpa_supplicant
*wpa_s
,
636 struct wpa_supplicant
* wpa_supplicant_get_iface(struct wpa_global
*global
,
638 struct wpa_global
* wpa_supplicant_init(struct wpa_params
*params
);
639 int wpa_supplicant_run(struct wpa_global
*global
);
640 void wpa_supplicant_deinit(struct wpa_global
*global
);
642 int wpa_supplicant_scard_init(struct wpa_supplicant
*wpa_s
,
643 struct wpa_ssid
*ssid
);
644 void wpa_supplicant_terminate_proc(struct wpa_global
*global
);
645 void wpa_supplicant_rx_eapol(void *ctx
, const u8
*src_addr
,
646 const u8
*buf
, size_t len
);
647 enum wpa_key_mgmt
key_mgmt2driver(int key_mgmt
);
648 enum wpa_cipher
cipher_suite2driver(int cipher
);
649 void wpa_supplicant_update_config(struct wpa_supplicant
*wpa_s
);
650 void wpa_supplicant_clear_status(struct wpa_supplicant
*wpa_s
);
651 void wpas_connection_failed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
);
652 int wpas_driver_bss_selection(struct wpa_supplicant
*wpa_s
);
653 int wpas_is_p2p_prioritized(struct wpa_supplicant
*wpa_s
);
654 void wpa_supplicant_proc_40mhz_intolerant(struct wpa_supplicant
*wpa_s
);
657 * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
658 * @wpa_s: Pointer to wpa_supplicant data
659 * @ssid: Pointer to the network block the reply is for
660 * @field: field the response is a reply for
661 * @value: value (ie, password, etc) for @field
662 * Returns: 0 on success, non-zero on error
664 * Helper function to handle replies to control interface requests.
666 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant
*wpa_s
,
667 struct wpa_ssid
*ssid
,
672 void wpa_supplicant_mark_disassoc(struct wpa_supplicant
*wpa_s
);
673 int wpa_supplicant_connect(struct wpa_supplicant
*wpa_s
,
674 struct wpa_bss
*selected
,
675 struct wpa_ssid
*ssid
);
676 void wpa_supplicant_stop_countermeasures(void *eloop_ctx
, void *sock_ctx
);
677 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx
, void *sock_ctx
);
678 void wnm_bss_keep_alive_deinit(struct wpa_supplicant
*wpa_s
);
681 int eap_register_methods(void);
684 * Utility method to tell if a given network is a persistent group
685 * @ssid: Network object
686 * Returns: 1 if network is a persistent group, 0 otherwise
688 static inline int network_is_persistent_group(struct wpa_ssid
*ssid
)
690 return ((ssid
->disabled
== 2) || ssid
->p2p_persistent_group
);
693 int wpas_network_disabled(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
);
695 int wpas_init_ext_pw(struct wpa_supplicant
*wpa_s
);
697 #endif /* WPA_SUPPLICANT_I_H */