Add support for virtual interface creation/deletion
[mech_eap.git] / wpa_supplicant / wpa_supplicant_i.h
1 /*
2  * wpa_supplicant - Internal definitions
3  * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8
9 #ifndef WPA_SUPPLICANT_I_H
10 #define WPA_SUPPLICANT_I_H
11
12 #include "utils/list.h"
13 #include "common/defs.h"
14 #include "common/sae.h"
15 #include "common/wpa_ctrl.h"
16 #include "wps/wps_defs.h"
17 #include "config_ssid.h"
18 #include "wmm_ac.h"
19
20 extern const char *wpa_supplicant_version;
21 extern const char *wpa_supplicant_license;
22 #ifndef CONFIG_NO_STDOUT_DEBUG
23 extern const char *wpa_supplicant_full_license1;
24 extern const char *wpa_supplicant_full_license2;
25 extern const char *wpa_supplicant_full_license3;
26 extern const char *wpa_supplicant_full_license4;
27 extern const char *wpa_supplicant_full_license5;
28 #endif /* CONFIG_NO_STDOUT_DEBUG */
29
30 struct wpa_sm;
31 struct wpa_supplicant;
32 struct ibss_rsn;
33 struct scan_info;
34 struct wpa_bss;
35 struct wpa_scan_results;
36 struct hostapd_hw_modes;
37 struct wpa_driver_associate_params;
38
39 /*
40  * Forward declarations of private structures used within the ctrl_iface
41  * backends. Other parts of wpa_supplicant do not have access to data stored in
42  * these structures.
43  */
44 struct ctrl_iface_priv;
45 struct ctrl_iface_global_priv;
46 struct wpas_dbus_priv;
47
48 /**
49  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
50  */
51 struct wpa_interface {
52         /**
53          * confname - Configuration name (file or profile) name
54          *
55          * This can also be %NULL when a configuration file is not used. In
56          * that case, ctrl_interface must be set to allow the interface to be
57          * configured.
58          */
59         const char *confname;
60
61         /**
62          * confanother - Additional configuration name (file or profile) name
63          *
64          * This can also be %NULL when the additional configuration file is not
65          * used.
66          */
67         const char *confanother;
68
69 #ifdef CONFIG_P2P
70         /**
71          * conf_p2p_dev - Configuration file used to hold the
72          * P2P Device configuration parameters.
73          *
74          * This can also be %NULL. In such a case, if a P2P Device dedicated
75          * interfaces is created, the main configuration file will be used.
76          */
77         const char *conf_p2p_dev;
78 #endif /* CONFIG_P2P */
79
80         /**
81          * ctrl_interface - Control interface parameter
82          *
83          * If a configuration file is not used, this variable can be used to
84          * set the ctrl_interface parameter that would have otherwise been read
85          * from the configuration file. If both confname and ctrl_interface are
86          * set, ctrl_interface is used to override the value from configuration
87          * file.
88          */
89         const char *ctrl_interface;
90
91         /**
92          * driver - Driver interface name, or %NULL to use the default driver
93          */
94         const char *driver;
95
96         /**
97          * driver_param - Driver interface parameters
98          *
99          * If a configuration file is not used, this variable can be used to
100          * set the driver_param parameters that would have otherwise been read
101          * from the configuration file. If both confname and driver_param are
102          * set, driver_param is used to override the value from configuration
103          * file.
104          */
105         const char *driver_param;
106
107         /**
108          * ifname - Interface name
109          */
110         const char *ifname;
111
112         /**
113          * bridge_ifname - Optional bridge interface name
114          *
115          * If the driver interface (ifname) is included in a Linux bridge
116          * device, the bridge interface may need to be used for receiving EAPOL
117          * frames. This can be enabled by setting this variable to enable
118          * receiving of EAPOL frames from an additional interface.
119          */
120         const char *bridge_ifname;
121
122         /**
123          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
124          *
125          * Indicates whether wpas_p2p_init() must be called for this interface.
126          * This is used only when the driver supports a dedicated P2P Device
127          * interface that is not a network interface.
128          */
129         int p2p_mgmt;
130 };
131
132 /**
133  * struct wpa_params - Parameters for wpa_supplicant_init()
134  */
135 struct wpa_params {
136         /**
137          * daemonize - Run %wpa_supplicant in the background
138          */
139         int daemonize;
140
141         /**
142          * wait_for_monitor - Wait for a monitor program before starting
143          */
144         int wait_for_monitor;
145
146         /**
147          * pid_file - Path to a PID (process ID) file
148          *
149          * If this and daemonize are set, process ID of the background process
150          * will be written to the specified file.
151          */
152         char *pid_file;
153
154         /**
155          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
156          */
157         int wpa_debug_level;
158
159         /**
160          * wpa_debug_show_keys - Whether keying material is included in debug
161          *
162          * This parameter can be used to allow keying material to be included
163          * in debug messages. This is a security risk and this option should
164          * not be enabled in normal configuration. If needed during
165          * development or while troubleshooting, this option can provide more
166          * details for figuring out what is happening.
167          */
168         int wpa_debug_show_keys;
169
170         /**
171          * wpa_debug_timestamp - Whether to include timestamp in debug messages
172          */
173         int wpa_debug_timestamp;
174
175         /**
176          * ctrl_interface - Global ctrl_iface path/parameter
177          */
178         char *ctrl_interface;
179
180         /**
181          * ctrl_interface_group - Global ctrl_iface group
182          */
183         char *ctrl_interface_group;
184
185         /**
186          * dbus_ctrl_interface - Enable the DBus control interface
187          */
188         int dbus_ctrl_interface;
189
190         /**
191          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
192          */
193         const char *wpa_debug_file_path;
194
195         /**
196          * wpa_debug_syslog - Enable log output through syslog
197          */
198         int wpa_debug_syslog;
199
200         /**
201          * wpa_debug_tracing - Enable log output through Linux tracing
202          */
203         int wpa_debug_tracing;
204
205         /**
206          * override_driver - Optional driver parameter override
207          *
208          * This parameter can be used to override the driver parameter in
209          * dynamic interface addition to force a specific driver wrapper to be
210          * used instead.
211          */
212         char *override_driver;
213
214         /**
215          * override_ctrl_interface - Optional ctrl_interface override
216          *
217          * This parameter can be used to override the ctrl_interface parameter
218          * in dynamic interface addition to force a control interface to be
219          * created.
220          */
221         char *override_ctrl_interface;
222
223         /**
224          * entropy_file - Optional entropy file
225          *
226          * This parameter can be used to configure wpa_supplicant to maintain
227          * its internal entropy store over restarts.
228          */
229         char *entropy_file;
230 };
231
232 struct p2p_srv_bonjour {
233         struct dl_list list;
234         struct wpabuf *query;
235         struct wpabuf *resp;
236 };
237
238 struct p2p_srv_upnp {
239         struct dl_list list;
240         u8 version;
241         char *service;
242 };
243
244 /**
245  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
246  *
247  * This structure is initialized by calling wpa_supplicant_init() when starting
248  * %wpa_supplicant.
249  */
250 struct wpa_global {
251         struct wpa_supplicant *ifaces;
252         struct wpa_params params;
253         struct ctrl_iface_global_priv *ctrl_iface;
254         struct wpas_dbus_priv *dbus;
255         void **drv_priv;
256         size_t drv_count;
257         struct os_time suspend_time;
258         struct p2p_data *p2p;
259         struct wpa_supplicant *p2p_init_wpa_s;
260         struct wpa_supplicant *p2p_group_formation;
261         struct wpa_supplicant *p2p_invite_group;
262         u8 p2p_dev_addr[ETH_ALEN];
263         struct os_reltime p2p_go_wait_client;
264         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
265         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
266         int p2p_disabled;
267         int cross_connection;
268         struct wpa_freq_range_list p2p_disallow_freq;
269         struct wpa_freq_range_list p2p_go_avoid_freq;
270         enum wpa_conc_pref {
271                 WPA_CONC_PREF_NOT_SET,
272                 WPA_CONC_PREF_STA,
273                 WPA_CONC_PREF_P2P
274         } conc_pref;
275         unsigned int p2p_per_sta_psk:1;
276         unsigned int p2p_fail_on_wps_complete:1;
277         unsigned int p2p_24ghz_social_channels:1;
278         unsigned int pending_p2ps_group:1;
279         unsigned int pending_group_iface_for_p2ps:1;
280
281 #ifdef CONFIG_WIFI_DISPLAY
282         int wifi_display;
283 #define MAX_WFD_SUBELEMS 10
284         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
285 #endif /* CONFIG_WIFI_DISPLAY */
286
287         struct psk_list_entry *add_psk; /* From group formation */
288 };
289
290
291 /**
292  * struct wpa_radio - Internal data for per-radio information
293  *
294  * This structure is used to share data about configured interfaces
295  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
296  * better coordination of offchannel operations.
297  */
298 struct wpa_radio {
299         char name[16]; /* from driver_ops get_radio_name() or empty if not
300                         * available */
301         unsigned int external_scan_running:1;
302         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
303         struct dl_list work; /* struct wpa_radio_work::list entries */
304 };
305
306 /**
307  * struct wpa_radio_work - Radio work item
308  */
309 struct wpa_radio_work {
310         struct dl_list list;
311         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
312         const char *type;
313         struct wpa_supplicant *wpa_s;
314         void (*cb)(struct wpa_radio_work *work, int deinit);
315         void *ctx;
316         unsigned int started:1;
317         struct os_reltime time;
318 };
319
320 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
321                    const char *type, int next,
322                    void (*cb)(struct wpa_radio_work *work, int deinit),
323                    void *ctx);
324 void radio_work_done(struct wpa_radio_work *work);
325 void radio_remove_works(struct wpa_supplicant *wpa_s,
326                         const char *type, int remove_all);
327 void radio_work_check_next(struct wpa_supplicant *wpa_s);
328 struct wpa_radio_work *
329 radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
330
331 struct wpa_connect_work {
332         unsigned int sme:1;
333         unsigned int bss_removed:1;
334         struct wpa_bss *bss;
335         struct wpa_ssid *ssid;
336 };
337
338 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
339                         struct wpa_ssid *test_ssid);
340 void wpas_connect_work_free(struct wpa_connect_work *cwork);
341 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
342
343 struct wpa_external_work {
344         unsigned int id;
345         char type[100];
346         unsigned int timeout;
347 };
348
349 /**
350  * offchannel_send_action_result - Result of offchannel send Action frame
351  */
352 enum offchannel_send_action_result {
353         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
354         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
355                                        */,
356         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
357                                        */
358 };
359
360 struct wps_ap_info {
361         u8 bssid[ETH_ALEN];
362         enum wps_ap_info_type {
363                 WPS_AP_NOT_SEL_REG,
364                 WPS_AP_SEL_REG,
365                 WPS_AP_SEL_REG_OUR
366         } type;
367         unsigned int tries;
368         struct os_reltime last_attempt;
369 };
370
371 struct wpa_ssid_value {
372         u8 ssid[32];
373         size_t ssid_len;
374 };
375
376 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
377 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
378
379 struct wpa_used_freq_data {
380         int freq;
381         unsigned int flags;
382 };
383
384 #define RRM_NEIGHBOR_REPORT_TIMEOUT 1 /* 1 second for AP to send a report */
385
386 /*
387  * struct rrm_data - Data used for managing RRM features
388  */
389 struct rrm_data {
390         /* rrm_used - indication regarding the current connection */
391         unsigned int rrm_used:1;
392
393         /*
394          * notify_neighbor_rep - Callback for notifying report requester
395          */
396         void (*notify_neighbor_rep)(void *ctx, struct wpabuf *neighbor_rep);
397
398         /*
399          * neighbor_rep_cb_ctx - Callback context
400          * Received in the callback registration, and sent to the callback
401          * function as a parameter.
402          */
403         void *neighbor_rep_cb_ctx;
404
405         /* next_neighbor_rep_token - Next request's dialog token */
406         u8 next_neighbor_rep_token;
407 };
408
409 enum wpa_supplicant_test_failure {
410         WPAS_TEST_FAILURE_NONE,
411         WPAS_TEST_FAILURE_SCAN_TRIGGER,
412 };
413
414 /**
415  * struct wpa_supplicant - Internal data for wpa_supplicant interface
416  *
417  * This structure contains the internal data for core wpa_supplicant code. This
418  * should be only used directly from the core code. However, a pointer to this
419  * data is used from other files as an arbitrary context pointer in calls to
420  * core functions.
421  */
422 struct wpa_supplicant {
423         struct wpa_global *global;
424         struct wpa_radio *radio; /* shared radio context */
425         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
426         struct wpa_supplicant *parent;
427         struct wpa_supplicant *next;
428         struct l2_packet_data *l2;
429         struct l2_packet_data *l2_br;
430         unsigned char own_addr[ETH_ALEN];
431         unsigned char perm_addr[ETH_ALEN];
432         char ifname[100];
433 #ifdef CONFIG_CTRL_IFACE_DBUS
434         char *dbus_path;
435 #endif /* CONFIG_CTRL_IFACE_DBUS */
436 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
437         char *dbus_new_path;
438         char *dbus_groupobj_path;
439 #ifdef CONFIG_AP
440         char *preq_notify_peer;
441 #endif /* CONFIG_AP */
442 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
443         char bridge_ifname[16];
444
445         char *confname;
446         char *confanother;
447
448         struct wpa_config *conf;
449         int countermeasures;
450         struct os_reltime last_michael_mic_error;
451         u8 bssid[ETH_ALEN];
452         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
453                                      * field contains the target BSSID. */
454         int reassociate; /* reassociation requested */
455         int reassoc_same_bss; /* reassociating to the same bss */
456         int disconnected; /* all connections disabled; i.e., do no reassociate
457                            * before this has been cleared */
458         struct wpa_ssid *current_ssid;
459         struct wpa_ssid *last_ssid;
460         struct wpa_bss *current_bss;
461         int ap_ies_from_associnfo;
462         unsigned int assoc_freq;
463
464         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
465         int pairwise_cipher;
466         int group_cipher;
467         int key_mgmt;
468         int wpa_proto;
469         int mgmt_group_cipher;
470
471         void *drv_priv; /* private data used by driver_ops */
472         void *global_drv_priv;
473
474         u8 *bssid_filter;
475         size_t bssid_filter_count;
476
477         u8 *disallow_aps_bssid;
478         size_t disallow_aps_bssid_count;
479         struct wpa_ssid_value *disallow_aps_ssid;
480         size_t disallow_aps_ssid_count;
481
482         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
483
484         /* Preferred network for the next connection attempt */
485         struct wpa_ssid *next_ssid;
486
487         /* previous scan was wildcard when interleaving between
488          * wildcard scans and specific SSID scan when max_ssids=1 */
489         int prev_scan_wildcard;
490         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
491                                           * NULL = not yet initialized (start
492                                           * with wildcard SSID)
493                                           * WILDCARD_SSID_SCAN = wildcard
494                                           * SSID was used in the previous scan
495                                           */
496 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
497
498         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
499         int sched_scan_timeout;
500         int sched_scan_interval;
501         int first_sched_scan;
502         int sched_scan_timed_out;
503
504         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
505                                  struct wpa_scan_results *scan_res);
506         struct dl_list bss; /* struct wpa_bss::list */
507         struct dl_list bss_id; /* struct wpa_bss::list_id */
508         size_t num_bss;
509         unsigned int bss_update_idx;
510         unsigned int bss_next_id;
511
512          /*
513           * Pointers to BSS entries in the order they were in the last scan
514           * results.
515           */
516         struct wpa_bss **last_scan_res;
517         unsigned int last_scan_res_used;
518         unsigned int last_scan_res_size;
519         struct os_reltime last_scan;
520
521         struct wpa_driver_ops *driver;
522         int interface_removed; /* whether the network interface has been
523                                 * removed */
524         struct wpa_sm *wpa;
525         struct eapol_sm *eapol;
526
527         struct ctrl_iface_priv *ctrl_iface;
528
529         enum wpa_states wpa_state;
530         struct wpa_radio_work *scan_work;
531         int scanning;
532         int sched_scanning;
533         int new_connection;
534
535         int eapol_received; /* number of EAPOL packets received after the
536                              * previous association event */
537
538         struct scard_data *scard;
539         char imsi[20];
540         int mnc_len;
541
542         unsigned char last_eapol_src[ETH_ALEN];
543
544         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
545                                     * known not to be configured with a key */
546
547         struct wpa_blacklist *blacklist;
548
549         /**
550          * extra_blacklist_count - Sum of blacklist counts after last connection
551          *
552          * This variable is used to maintain a count of temporary blacklisting
553          * failures (maximum number for any BSS) over blacklist clear
554          * operations. This is needed for figuring out whether there has been
555          * failures prior to the last blacklist clear operation which happens
556          * whenever no other not-blacklisted BSS candidates are available. This
557          * gets cleared whenever a connection has been established successfully.
558          */
559         int extra_blacklist_count;
560
561         /**
562          * scan_req - Type of the scan request
563          */
564         enum scan_req_type {
565                 /**
566                  * NORMAL_SCAN_REQ - Normal scan request
567                  *
568                  * This is used for scans initiated by wpa_supplicant to find an
569                  * AP for a connection.
570                  */
571                 NORMAL_SCAN_REQ,
572
573                 /**
574                  * INITIAL_SCAN_REQ - Initial scan request
575                  *
576                  * This is used for the first scan on an interface to force at
577                  * least one scan to be run even if the configuration does not
578                  * include any enabled networks.
579                  */
580                 INITIAL_SCAN_REQ,
581
582                 /**
583                  * MANUAL_SCAN_REQ - Manual scan request
584                  *
585                  * This is used for scans where the user request a scan or
586                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
587                  * to be run.
588                  */
589                 MANUAL_SCAN_REQ
590         } scan_req, last_scan_req;
591         enum wpa_states scan_prev_wpa_state;
592         struct os_reltime scan_trigger_time, scan_start_time;
593         int scan_runs; /* number of scan runs since WPS was started */
594         int *next_scan_freqs;
595         int *manual_scan_freqs;
596         int *manual_sched_scan_freqs;
597         unsigned int manual_scan_passive:1;
598         unsigned int manual_scan_use_id:1;
599         unsigned int manual_scan_only_new:1;
600         unsigned int own_scan_requested:1;
601         unsigned int own_scan_running:1;
602         unsigned int clear_driver_scan_cache:1;
603         unsigned int manual_scan_id;
604         int scan_interval; /* time in sec between scans to find suitable AP */
605         int normal_scans; /* normal scans run before sched_scan */
606         int scan_for_connection; /* whether the scan request was triggered for
607                                   * finding a connection */
608 #define MAX_SCAN_ID 16
609         int scan_id[MAX_SCAN_ID];
610         unsigned int scan_id_count;
611
612         u64 drv_flags;
613         unsigned int drv_enc;
614         unsigned int drv_smps_modes;
615         unsigned int drv_rrm_flags;
616
617         /*
618          * A bitmap of supported protocols for probe response offload. See
619          * struct wpa_driver_capa in driver.h
620          */
621         unsigned int probe_resp_offloads;
622
623         /* extended capabilities supported by the driver */
624         const u8 *extended_capa, *extended_capa_mask;
625         unsigned int extended_capa_len;
626
627         int max_scan_ssids;
628         int max_sched_scan_ssids;
629         int sched_scan_supported;
630         unsigned int max_match_sets;
631         unsigned int max_remain_on_chan;
632         unsigned int max_stations;
633
634         int pending_mic_error_report;
635         int pending_mic_error_pairwise;
636         int mic_errors_seen; /* Michael MIC errors with the current PTK */
637
638         struct wps_context *wps;
639         int wps_success; /* WPS success event received */
640         struct wps_er *wps_er;
641         unsigned int wps_run;
642         int blacklist_cleared;
643
644         struct wpabuf *pending_eapol_rx;
645         struct os_reltime pending_eapol_rx_time;
646         u8 pending_eapol_rx_src[ETH_ALEN];
647         unsigned int last_eapol_matches_bssid:1;
648         unsigned int eap_expected_failure:1;
649         unsigned int reattach:1; /* reassociation to the same BSS requested */
650         unsigned int mac_addr_changed:1;
651         unsigned int added_vif:1;
652
653         struct os_reltime last_mac_addr_change;
654         int last_mac_addr_style;
655
656         struct ibss_rsn *ibss_rsn;
657
658         int set_sta_uapsd;
659         int sta_uapsd;
660         int set_ap_uapsd;
661         int ap_uapsd;
662
663 #ifdef CONFIG_SME
664         struct {
665                 u8 ssid[32];
666                 size_t ssid_len;
667                 int freq;
668                 u8 assoc_req_ie[200];
669                 size_t assoc_req_ie_len;
670                 int mfp;
671                 int ft_used;
672                 u8 mobility_domain[2];
673                 u8 *ft_ies;
674                 size_t ft_ies_len;
675                 u8 prev_bssid[ETH_ALEN];
676                 int prev_bssid_set;
677                 int auth_alg;
678                 int proto;
679
680                 int sa_query_count; /* number of pending SA Query requests;
681                                      * 0 = no SA Query in progress */
682                 int sa_query_timed_out;
683                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
684                                         * sa_query_count octets of pending
685                                         * SA Query transaction identifiers */
686                 struct os_reltime sa_query_start;
687                 struct os_reltime last_unprot_disconnect;
688                 enum { HT_SEC_CHAN_UNKNOWN,
689                        HT_SEC_CHAN_ABOVE,
690                        HT_SEC_CHAN_BELOW } ht_sec_chan;
691                 u8 sched_obss_scan;
692                 u16 obss_scan_int;
693                 u16 bss_max_idle_period;
694 #ifdef CONFIG_SAE
695                 struct sae_data sae;
696                 struct wpabuf *sae_token;
697                 int sae_group_index;
698                 unsigned int sae_pmksa_caching:1;
699 #endif /* CONFIG_SAE */
700         } sme;
701 #endif /* CONFIG_SME */
702
703 #ifdef CONFIG_AP
704         struct hostapd_iface *ap_iface;
705         void (*ap_configured_cb)(void *ctx, void *data);
706         void *ap_configured_cb_ctx;
707         void *ap_configured_cb_data;
708 #endif /* CONFIG_AP */
709
710         struct hostapd_iface *ifmsh;
711 #ifdef CONFIG_MESH
712         struct mesh_rsn *mesh_rsn;
713         int mesh_if_idx;
714         unsigned int mesh_if_created:1;
715         unsigned int mesh_ht_enabled:1;
716         int mesh_auth_block_duration; /* sec */
717 #endif /* CONFIG_MESH */
718
719         unsigned int off_channel_freq;
720         struct wpabuf *pending_action_tx;
721         u8 pending_action_src[ETH_ALEN];
722         u8 pending_action_dst[ETH_ALEN];
723         u8 pending_action_bssid[ETH_ALEN];
724         unsigned int pending_action_freq;
725         int pending_action_no_cck;
726         int pending_action_without_roc;
727         unsigned int pending_action_tx_done:1;
728         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
729                                             unsigned int freq, const u8 *dst,
730                                             const u8 *src, const u8 *bssid,
731                                             const u8 *data, size_t data_len,
732                                             enum offchannel_send_action_result
733                                             result);
734         unsigned int roc_waiting_drv_freq;
735         int action_tx_wait_time;
736
737         int p2p_mgmt;
738
739 #ifdef CONFIG_P2P
740         struct wpa_supplicant *p2p_dev;
741         struct p2p_go_neg_results *go_params;
742         int create_p2p_iface;
743         u8 pending_interface_addr[ETH_ALEN];
744         char pending_interface_name[100];
745         int pending_interface_type;
746         int p2p_group_idx;
747         unsigned int pending_listen_freq;
748         unsigned int pending_listen_duration;
749         enum {
750                 NOT_P2P_GROUP_INTERFACE,
751                 P2P_GROUP_INTERFACE_PENDING,
752                 P2P_GROUP_INTERFACE_GO,
753                 P2P_GROUP_INTERFACE_CLIENT
754         } p2p_group_interface;
755         struct p2p_group *p2p_group;
756         int p2p_long_listen; /* remaining time in long Listen state in ms */
757         char p2p_pin[10];
758         int p2p_wps_method;
759         u8 p2p_auth_invite[ETH_ALEN];
760         int p2p_sd_over_ctrl_iface;
761         int p2p_in_provisioning;
762         int p2p_in_invitation;
763         int p2p_invite_go_freq;
764         int pending_invite_ssid_id;
765         int show_group_started;
766         u8 go_dev_addr[ETH_ALEN];
767         int pending_pd_before_join;
768         u8 pending_join_iface_addr[ETH_ALEN];
769         u8 pending_join_dev_addr[ETH_ALEN];
770         int pending_join_wps_method;
771         u8 p2p_join_ssid[32];
772         size_t p2p_join_ssid_len;
773         int p2p_join_scan_count;
774         int auto_pd_scan_retry;
775         int force_long_sd;
776         u16 pending_pd_config_methods;
777         enum {
778                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN, AUTO_PD_ASP
779         } pending_pd_use;
780
781         /*
782          * Whether cross connection is disallowed by the AP to which this
783          * interface is associated (only valid if there is an association).
784          */
785         int cross_connect_disallowed;
786
787         /*
788          * Whether this P2P group is configured to use cross connection (only
789          * valid if this is P2P GO interface). The actual cross connect packet
790          * forwarding may not be configured depending on the uplink status.
791          */
792         int cross_connect_enabled;
793
794         /* Whether cross connection forwarding is in use at the moment. */
795         int cross_connect_in_use;
796
797         /*
798          * Uplink interface name for cross connection
799          */
800         char cross_connect_uplink[100];
801
802         unsigned int p2p_auto_join:1;
803         unsigned int p2p_auto_pd:1;
804         unsigned int p2p_persistent_group:1;
805         unsigned int p2p_fallback_to_go_neg:1;
806         unsigned int p2p_pd_before_go_neg:1;
807         unsigned int p2p_go_ht40:1;
808         unsigned int p2p_go_vht:1;
809         unsigned int user_initiated_pd:1;
810         unsigned int p2p_go_group_formation_completed:1;
811         unsigned int group_formation_reported:1;
812         unsigned int waiting_presence_resp;
813         int p2p_first_connection_timeout;
814         unsigned int p2p_nfc_tag_enabled:1;
815         unsigned int p2p_peer_oob_pk_hash_known:1;
816         unsigned int p2p_disable_ip_addr_req:1;
817         unsigned int p2ps_join_addr_valid:1;
818         int p2p_persistent_go_freq;
819         int p2p_persistent_id;
820         int p2p_go_intent;
821         int p2p_connect_freq;
822         struct os_reltime p2p_auto_started;
823         struct wpa_ssid *p2p_last_4way_hs_fail;
824         struct wpa_radio_work *p2p_scan_work;
825         struct wpa_radio_work *p2p_listen_work;
826         struct wpa_radio_work *p2p_send_action_work;
827
828         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
829         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
830                                         * formation */
831         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
832         u8 p2p_ip_addr_info[3 * 4];
833
834         /* group common frequencies */
835         int *p2p_group_common_freqs;
836         unsigned int p2p_group_common_freqs_num;
837         u8 p2ps_join_addr[ETH_ALEN];
838 #endif /* CONFIG_P2P */
839
840         struct wpa_ssid *bgscan_ssid;
841         const struct bgscan_ops *bgscan;
842         void *bgscan_priv;
843
844         const struct autoscan_ops *autoscan;
845         struct wpa_driver_scan_params *autoscan_params;
846         void *autoscan_priv;
847
848         struct wpa_ssid *connect_without_scan;
849
850         struct wps_ap_info *wps_ap;
851         size_t num_wps_ap;
852         int wps_ap_iter;
853
854         int after_wps;
855         int known_wps_freq;
856         unsigned int wps_freq;
857         int wps_fragment_size;
858         int auto_reconnect_disabled;
859
860          /* Channel preferences for AP/P2P GO use */
861         int best_24_freq;
862         int best_5_freq;
863         int best_overall_freq;
864
865         struct gas_query *gas;
866
867 #ifdef CONFIG_INTERWORKING
868         unsigned int fetch_anqp_in_progress:1;
869         unsigned int network_select:1;
870         unsigned int auto_select:1;
871         unsigned int auto_network_select:1;
872         unsigned int interworking_fast_assoc_tried:1;
873         unsigned int fetch_all_anqp:1;
874         unsigned int fetch_osu_info:1;
875         unsigned int fetch_osu_waiting_scan:1;
876         unsigned int fetch_osu_icon_in_progress:1;
877         struct wpa_bss *interworking_gas_bss;
878         unsigned int osu_icon_id;
879         struct osu_provider *osu_prov;
880         size_t osu_prov_count;
881         struct os_reltime osu_icon_fetch_start;
882         unsigned int num_osu_scans;
883         unsigned int num_prov_found;
884 #endif /* CONFIG_INTERWORKING */
885         unsigned int drv_capa_known;
886
887         struct {
888                 struct hostapd_hw_modes *modes;
889                 u16 num_modes;
890                 u16 flags;
891         } hw;
892         enum local_hw_capab {
893                 CAPAB_NO_HT_VHT,
894                 CAPAB_HT,
895                 CAPAB_HT40,
896                 CAPAB_VHT,
897         } hw_capab;
898 #ifdef CONFIG_MACSEC
899         struct ieee802_1x_kay *kay;
900 #endif /* CONFIG_MACSEC */
901
902         int pno;
903         int pno_sched_pending;
904
905         /* WLAN_REASON_* reason codes. Negative if locally generated. */
906         int disconnect_reason;
907
908         struct ext_password_data *ext_pw;
909
910         struct wpabuf *last_gas_resp, *prev_gas_resp;
911         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
912         u8 last_gas_dialog_token, prev_gas_dialog_token;
913
914         unsigned int no_keep_alive:1;
915         unsigned int ext_mgmt_frame_handling:1;
916         unsigned int ext_eapol_frame_io:1;
917         unsigned int wmm_ac_supported:1;
918         unsigned int ext_work_in_progress:1;
919         unsigned int own_disconnect_req:1;
920
921 #define MAC_ADDR_RAND_SCAN       BIT(0)
922 #define MAC_ADDR_RAND_SCHED_SCAN BIT(1)
923 #define MAC_ADDR_RAND_PNO        BIT(2)
924 #define MAC_ADDR_RAND_ALL        (MAC_ADDR_RAND_SCAN | \
925                                   MAC_ADDR_RAND_SCHED_SCAN | \
926                                   MAC_ADDR_RAND_PNO)
927         unsigned int mac_addr_rand_supported;
928         unsigned int mac_addr_rand_enable;
929
930         /* MAC Address followed by mask (2 * ETH_ALEN) */
931         u8 *mac_addr_scan;
932         u8 *mac_addr_sched_scan;
933         u8 *mac_addr_pno;
934
935 #ifdef CONFIG_WNM
936         u8 wnm_dialog_token;
937         u8 wnm_reply;
938         u8 wnm_num_neighbor_report;
939         u8 wnm_mode;
940         u16 wnm_dissoc_timer;
941         u8 wnm_bss_termination_duration[12];
942         struct neighbor_report *wnm_neighbor_report_elements;
943         struct os_reltime wnm_cand_valid_until;
944         u8 wnm_cand_from_bss[ETH_ALEN];
945 #endif /* CONFIG_WNM */
946
947 #ifdef CONFIG_TESTING_GET_GTK
948         u8 last_gtk[32];
949         size_t last_gtk_len;
950 #endif /* CONFIG_TESTING_GET_GTK */
951
952         unsigned int num_multichan_concurrent;
953         struct wpa_radio_work *connect_work;
954
955         unsigned int ext_work_id;
956
957         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
958
959 #ifdef CONFIG_TESTING_OPTIONS
960         struct l2_packet_data *l2_test;
961         unsigned int extra_roc_dur;
962         enum wpa_supplicant_test_failure test_failure;
963 #endif /* CONFIG_TESTING_OPTIONS */
964
965         struct wmm_ac_assoc_data *wmm_ac_assoc_info;
966         struct wmm_tspec_element *tspecs[WMM_AC_NUM][TS_DIR_IDX_COUNT];
967         struct wmm_ac_addts_request *addts_request;
968         u8 wmm_ac_last_dialog_token;
969         struct wmm_tspec_element *last_tspecs;
970         u8 last_tspecs_count;
971
972         struct rrm_data rrm;
973 };
974
975
976 /* wpa_supplicant.c */
977 void wpa_supplicant_apply_ht_overrides(
978         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
979         struct wpa_driver_associate_params *params);
980 void wpa_supplicant_apply_vht_overrides(
981         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
982         struct wpa_driver_associate_params *params);
983
984 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
985 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
986                                     struct wpa_ssid *ssid);
987
988 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
989
990 const char * wpa_supplicant_state_txt(enum wpa_states state);
991 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
992 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
993 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
994                               struct wpa_bss *bss, struct wpa_ssid *ssid,
995                               u8 *wpa_ie, size_t *wpa_ie_len);
996 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
997                               struct wpa_bss *bss,
998                               struct wpa_ssid *ssid);
999 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
1000                                        struct wpa_ssid *ssid);
1001 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
1002 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
1003 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
1004                                      int sec, int usec);
1005 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
1006 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
1007                               enum wpa_states state);
1008 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
1009 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
1010 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
1011 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
1012                                    int reason_code);
1013
1014 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
1015                                    struct wpa_ssid *ssid);
1016 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
1017                                     struct wpa_ssid *ssid);
1018 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
1019                                    struct wpa_ssid *ssid);
1020 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
1021                                            const char *pkcs11_engine_path,
1022                                            const char *pkcs11_module_path);
1023 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
1024                                int ap_scan);
1025 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
1026                                           unsigned int expire_age);
1027 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
1028                                             unsigned int expire_count);
1029 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
1030                                      int scan_interval);
1031 int wpa_supplicant_set_debug_params(struct wpa_global *global,
1032                                     int debug_level, int debug_timestamp,
1033                                     int debug_show_keys);
1034 void free_hw_features(struct wpa_supplicant *wpa_s);
1035
1036 void wpa_show_license(void);
1037
1038 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
1039                                                  struct wpa_interface *iface,
1040                                                  struct wpa_supplicant *parent);
1041 int wpa_supplicant_remove_iface(struct wpa_global *global,
1042                                 struct wpa_supplicant *wpa_s,
1043                                 int terminate);
1044 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
1045                                                  const char *ifname);
1046 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
1047 int wpa_supplicant_run(struct wpa_global *global);
1048 void wpa_supplicant_deinit(struct wpa_global *global);
1049
1050 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
1051                               struct wpa_ssid *ssid);
1052 void wpa_supplicant_terminate_proc(struct wpa_global *global);
1053 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
1054                              const u8 *buf, size_t len);
1055 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
1056 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
1057 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
1058 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
1059 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
1060 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
1061 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
1062                               struct wpa_ssid *ssid, int clear_failures);
1063 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
1064 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
1065                     size_t ssid_len);
1066 void wpas_request_connection(struct wpa_supplicant *wpa_s);
1067 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
1068 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
1069 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
1070 void add_freq(int *freqs, int *num_freqs, int freq);
1071
1072 void wpas_rrm_reset(struct wpa_supplicant *wpa_s);
1073 void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
1074                                    const u8 *report, size_t report_len);
1075 int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
1076                                        const struct wpa_ssid *ssid,
1077                                        void (*cb)(void *ctx,
1078                                                   struct wpabuf *neighbor_rep),
1079                                        void *cb_ctx);
1080 void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
1081                                               const u8 *src,
1082                                               const u8 *frame, size_t len,
1083                                               int rssi);
1084
1085 /**
1086  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
1087  * @wpa_s: Pointer to wpa_supplicant data
1088  * @ssid: Pointer to the network block the reply is for
1089  * @field: field the response is a reply for
1090  * @value: value (ie, password, etc) for @field
1091  * Returns: 0 on success, non-zero on error
1092  *
1093  * Helper function to handle replies to control interface requests.
1094  */
1095 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
1096                                               struct wpa_ssid *ssid,
1097                                               const char *field,
1098                                               const char *value);
1099
1100 void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
1101                           const struct wpa_ssid *ssid,
1102                           struct hostapd_freq_params *freq);
1103
1104 /* events.c */
1105 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
1106 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1107                            struct wpa_bss *selected,
1108                            struct wpa_ssid *ssid);
1109 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
1110 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
1111 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
1112 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
1113 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1114                                              struct wpa_ssid **selected_ssid);
1115
1116 /* eap_register.c */
1117 int eap_register_methods(void);
1118
1119 /**
1120  * Utility method to tell if a given network is a persistent group
1121  * @ssid: Network object
1122  * Returns: 1 if network is a persistent group, 0 otherwise
1123  */
1124 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1125 {
1126         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1127 }
1128
1129 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1130 int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1131
1132 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1133
1134 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1135                     struct wpa_used_freq_data *freqs_data,
1136                     unsigned int len);
1137
1138 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1139                                 struct wpa_used_freq_data *freqs_data,
1140                                 unsigned int len);
1141 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1142                            int *freq_array, unsigned int len);
1143
1144 void wpas_network_reenabled(void *eloop_ctx, void *timeout_ctx);
1145 #endif /* WPA_SUPPLICANT_I_H */