2 * wpa_supplicant - Internal definitions
3 * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
15 #ifndef WPA_SUPPLICANT_I_H
16 #define WPA_SUPPLICANT_I_H
18 #include "utils/list.h"
19 #include "common/defs.h"
20 #include "config_ssid.h"
22 extern const char *wpa_supplicant_version;
23 extern const char *wpa_supplicant_license;
24 #ifndef CONFIG_NO_STDOUT_DEBUG
25 extern const char *wpa_supplicant_full_license1;
26 extern const char *wpa_supplicant_full_license2;
27 extern const char *wpa_supplicant_full_license3;
28 extern const char *wpa_supplicant_full_license4;
29 extern const char *wpa_supplicant_full_license5;
30 #endif /* CONFIG_NO_STDOUT_DEBUG */
33 struct wpa_supplicant;
37 struct wpa_scan_results;
38 struct hostapd_hw_modes;
41 * Forward declarations of private structures used within the ctrl_iface
42 * backends. Other parts of wpa_supplicant do not have access to data stored in
45 struct ctrl_iface_priv;
46 struct ctrl_iface_global_priv;
47 struct wpas_dbus_priv;
50 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
52 struct wpa_interface {
54 * confname - Configuration name (file or profile) name
56 * This can also be %NULL when a configuration file is not used. In
57 * that case, ctrl_interface must be set to allow the interface to be
63 * ctrl_interface - Control interface parameter
65 * If a configuration file is not used, this variable can be used to
66 * set the ctrl_interface parameter that would have otherwise been read
67 * from the configuration file. If both confname and ctrl_interface are
68 * set, ctrl_interface is used to override the value from configuration
71 const char *ctrl_interface;
74 * driver - Driver interface name, or %NULL to use the default driver
79 * driver_param - Driver interface parameters
81 * If a configuration file is not used, this variable can be used to
82 * set the driver_param parameters that would have otherwise been read
83 * from the configuration file. If both confname and driver_param are
84 * set, driver_param is used to override the value from configuration
87 const char *driver_param;
90 * ifname - Interface name
95 * bridge_ifname - Optional bridge interface name
97 * If the driver interface (ifname) is included in a Linux bridge
98 * device, the bridge interface may need to be used for receiving EAPOL
99 * frames. This can be enabled by setting this variable to enable
100 * receiving of EAPOL frames from an additional interface.
102 const char *bridge_ifname;
106 * struct wpa_params - Parameters for wpa_supplicant_init()
110 * daemonize - Run %wpa_supplicant in the background
115 * wait_for_monitor - Wait for a monitor program before starting
117 int wait_for_monitor;
120 * pid_file - Path to a PID (process ID) file
122 * If this and daemonize are set, process ID of the background process
123 * will be written to the specified file.
128 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
133 * wpa_debug_show_keys - Whether keying material is included in debug
135 * This parameter can be used to allow keying material to be included
136 * in debug messages. This is a security risk and this option should
137 * not be enabled in normal configuration. If needed during
138 * development or while troubleshooting, this option can provide more
139 * details for figuring out what is happening.
141 int wpa_debug_show_keys;
144 * wpa_debug_timestamp - Whether to include timestamp in debug messages
146 int wpa_debug_timestamp;
149 * ctrl_interface - Global ctrl_iface path/parameter
151 char *ctrl_interface;
154 * dbus_ctrl_interface - Enable the DBus control interface
156 int dbus_ctrl_interface;
159 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
161 const char *wpa_debug_file_path;
164 * wpa_debug_syslog - Enable log output through syslog
166 int wpa_debug_syslog;
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 {
208 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
210 * This structure is initialized by calling wpa_supplicant_init() when starting
214 struct wpa_supplicant *ifaces;
215 struct wpa_params params;
216 struct ctrl_iface_global_priv *ctrl_iface;
217 struct wpas_dbus_priv *dbus;
220 struct os_time suspend_time;
221 struct p2p_data *p2p;
222 struct wpa_supplicant *p2p_group_formation;
223 u8 p2p_dev_addr[ETH_ALEN];
224 struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
225 struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
227 int cross_connection;
231 enum offchannel_send_action_result {
232 OFFCHANNEL_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
233 OFFCHANNEL_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged
235 OFFCHANNEL_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
239 * struct wpa_supplicant - Internal data for wpa_supplicant interface
241 * This structure contains the internal data for core wpa_supplicant code. This
242 * should be only used directly from the core code. However, a pointer to this
243 * data is used from other files as an arbitrary context pointer in calls to
246 struct wpa_supplicant {
247 struct wpa_global *global;
248 struct wpa_supplicant *parent;
249 struct wpa_supplicant *next;
250 struct l2_packet_data *l2;
251 struct l2_packet_data *l2_br;
252 unsigned char own_addr[ETH_ALEN];
254 #ifdef CONFIG_CTRL_IFACE_DBUS
256 #endif /* CONFIG_CTRL_IFACE_DBUS */
257 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
259 char *dbus_groupobj_path;
260 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
261 char bridge_ifname[16];
264 struct wpa_config *conf;
266 os_time_t last_michael_mic_error;
268 u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
269 * field contains the targer BSSID. */
270 int reassociate; /* reassociation requested */
271 int disconnected; /* all connections disabled; i.e., do no reassociate
272 * before this has been cleared */
273 struct wpa_ssid *current_ssid;
274 struct wpa_bss *current_bss;
275 int ap_ies_from_associnfo;
276 unsigned int assoc_freq;
278 /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
283 int mgmt_group_cipher;
285 void *drv_priv; /* private data used by driver_ops */
286 void *global_drv_priv;
288 struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
289 * NULL = not yet initialized (start
290 * with wildcard SSID)
291 * WILDCARD_SSID_SCAN = wildcard
292 * SSID was used in the previous scan
294 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
296 struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
297 int sched_scan_timeout;
298 int sched_scan_interval;
299 int first_sched_scan;
300 int sched_scan_timed_out;
302 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
303 struct wpa_scan_results *scan_res);
304 struct dl_list bss; /* struct wpa_bss::list */
305 struct dl_list bss_id; /* struct wpa_bss::list_id */
307 unsigned int bss_update_idx;
308 unsigned int bss_next_id;
310 struct wpa_driver_ops *driver;
311 int interface_removed; /* whether the network interface has been
314 struct eapol_sm *eapol;
316 struct ctrl_iface_priv *ctrl_iface;
318 enum wpa_states wpa_state;
322 int reassociated_connection;
324 int eapol_received; /* number of EAPOL packets received after the
325 * previous association event */
327 struct scard_data *scard;
329 unsigned char last_eapol_src[ETH_ALEN];
333 struct wpa_blacklist *blacklist;
335 int scan_req; /* manual scan request; this forces a scan even if there
336 * are no enabled networks in the configuration */
337 int scan_runs; /* number of scan runs since WPS was started */
338 int *next_scan_freqs;
339 int scan_interval; /* time in sec between scans to find suitable AP */
341 unsigned int drv_flags;
343 int max_sched_scan_ssids;
344 int sched_scan_supported;
345 unsigned int max_match_sets;
346 unsigned int max_remain_on_chan;
347 unsigned int max_stations;
349 int pending_mic_error_report;
350 int pending_mic_error_pairwise;
351 int mic_errors_seen; /* Michael MIC errors with the current PTK */
353 struct wps_context *wps;
354 int wps_success; /* WPS success event received */
355 struct wps_er *wps_er;
356 int blacklist_cleared;
358 struct wpabuf *pending_eapol_rx;
359 struct os_time pending_eapol_rx_time;
360 u8 pending_eapol_rx_src[ETH_ALEN];
362 struct ibss_rsn *ibss_rsn;
374 u8 assoc_req_ie[200];
375 size_t assoc_req_ie_len;
378 u8 mobility_domain[2];
381 u8 prev_bssid[ETH_ALEN];
386 int sa_query_count; /* number of pending SA Query requests;
387 * 0 = no SA Query in progress */
388 int sa_query_timed_out;
389 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
390 * sa_query_count octets of pending
391 * SA Query transaction identifiers */
392 struct os_time sa_query_start;
394 #endif /* CONFIG_SME */
397 struct hostapd_iface *ap_iface;
398 void (*ap_configured_cb)(void *ctx, void *data);
399 void *ap_configured_cb_ctx;
400 void *ap_configured_cb_data;
401 #endif /* CONFIG_AP */
403 unsigned int off_channel_freq;
404 struct wpabuf *pending_action_tx;
405 u8 pending_action_src[ETH_ALEN];
406 u8 pending_action_dst[ETH_ALEN];
407 u8 pending_action_bssid[ETH_ALEN];
408 unsigned int pending_action_freq;
409 int pending_action_without_roc;
410 void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
411 unsigned int freq, const u8 *dst,
412 const u8 *src, const u8 *bssid,
413 const u8 *data, size_t data_len,
414 enum offchannel_send_action_result
416 unsigned int roc_waiting_drv_freq;
417 int action_tx_wait_time;
420 struct p2p_go_neg_results *go_params;
421 int create_p2p_iface;
422 u8 pending_interface_addr[ETH_ALEN];
423 char pending_interface_name[100];
424 int pending_interface_type;
426 unsigned int pending_listen_freq;
427 unsigned int pending_listen_duration;
429 NOT_P2P_GROUP_INTERFACE,
430 P2P_GROUP_INTERFACE_PENDING,
431 P2P_GROUP_INTERFACE_GO,
432 P2P_GROUP_INTERFACE_CLIENT
433 } p2p_group_interface;
434 struct p2p_group *p2p_group;
435 int p2p_long_listen; /* remaining time in long Listen state in ms */
438 u8 p2p_auth_invite[ETH_ALEN];
439 int p2p_sd_over_ctrl_iface;
440 int p2p_in_provisioning;
441 int pending_invite_ssid_id;
442 int show_group_started;
443 u8 go_dev_addr[ETH_ALEN];
444 int pending_pd_before_join;
445 u8 pending_join_iface_addr[ETH_ALEN];
446 u8 pending_join_dev_addr[ETH_ALEN];
447 int pending_join_wps_method;
448 int p2p_join_scan_count;
452 * Whether cross connection is disallowed by the AP to which this
453 * interface is associated (only valid if there is an association).
455 int cross_connect_disallowed;
458 * Whether this P2P group is configured to use cross connection (only
459 * valid if this is P2P GO interface). The actual cross connect packet
460 * forwarding may not be configured depending on the uplink status.
462 int cross_connect_enabled;
464 /* Whether cross connection forwarding is in use at the moment. */
465 int cross_connect_in_use;
468 * Uplink interface name for cross connection
470 char cross_connect_uplink[100];
473 P2P_GROUP_REMOVAL_UNKNOWN,
474 P2P_GROUP_REMOVAL_REQUESTED,
475 P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
476 P2P_GROUP_REMOVAL_UNAVAILABLE
478 #endif /* CONFIG_P2P */
480 struct wpa_ssid *bgscan_ssid;
481 const struct bgscan_ops *bgscan;
484 struct wpa_ssid *connect_without_scan;
487 unsigned int wps_freq;
488 int wps_fragment_size;
489 int auto_reconnect_disabled;
491 /* Channel preferences for AP/P2P GO use */
494 int best_overall_freq;
496 struct gas_query *gas;
498 #ifdef CONFIG_INTERWORKING
499 unsigned int fetch_anqp_in_progress:1;
500 unsigned int network_select:1;
501 unsigned int auto_select:1;
502 #endif /* CONFIG_INTERWORKING */
505 struct hostapd_hw_modes *modes;
512 /* wpa_supplicant.c */
513 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
515 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
517 const char * wpa_supplicant_state_txt(enum wpa_states state);
518 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
519 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
520 struct wpa_bss *bss, struct wpa_ssid *ssid,
521 u8 *wpa_ie, size_t *wpa_ie_len);
522 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
524 struct wpa_ssid *ssid);
525 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
526 struct wpa_ssid *ssid);
527 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
528 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
529 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
531 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
532 enum wpa_states state);
533 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
534 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
535 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
536 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
538 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
541 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
542 struct wpa_ssid *ssid);
543 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
544 struct wpa_ssid *ssid);
545 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
546 struct wpa_ssid *ssid);
547 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
549 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
550 unsigned int expire_age);
551 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
552 unsigned int expire_count);
553 int wpa_supplicant_set_debug_params(struct wpa_global *global,
554 int debug_level, int debug_timestamp,
555 int debug_show_keys);
557 void wpa_show_license(void);
559 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
560 struct wpa_interface *iface);
561 int wpa_supplicant_remove_iface(struct wpa_global *global,
562 struct wpa_supplicant *wpa_s);
563 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
565 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
566 int wpa_supplicant_run(struct wpa_global *global);
567 void wpa_supplicant_deinit(struct wpa_global *global);
569 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
570 struct wpa_ssid *ssid);
571 void wpa_supplicant_terminate_proc(struct wpa_global *global);
572 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
573 const u8 *buf, size_t len);
574 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
575 enum wpa_cipher cipher_suite2driver(int cipher);
576 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
577 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
578 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
579 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
582 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
583 void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
584 struct wpa_bss *selected,
585 struct wpa_ssid *ssid);
588 int eap_register_methods(void);
591 * Utility method to tell if a given network is a persistent group
592 * @ssid: Network object
593 * Returns: 1 if network is a persistent group, 0 otherwise
595 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
597 return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
600 #endif /* WPA_SUPPLICANT_I_H */