1/*
2 * hostapd / Configuration definitions and helpers functions
3 * Copyright (c) 2003-2012, 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 HOSTAPD_CONFIG_H
10#define HOSTAPD_CONFIG_H
11
12#include "common/defs.h"
13#include "ip_addr.h"
14#include "common/wpa_common.h"
15#include "common/ieee802_11_defs.h"
16#include "common/ieee802_11_common.h"
17#include "wps/wps.h"
18
19/**
20 * mesh_conf - local MBSS state and settings
21 */
22struct mesh_conf {
23	u8 meshid[32];
24	u8 meshid_len;
25	/* Active Path Selection Protocol Identifier */
26	u8 mesh_pp_id;
27	/* Active Path Selection Metric Identifier */
28	u8 mesh_pm_id;
29	/* Congestion Control Mode Identifier */
30	u8 mesh_cc_id;
31	/* Synchronization Protocol Identifier */
32	u8 mesh_sp_id;
33	/* Authentication Protocol Identifier */
34	u8 mesh_auth_id;
35	u8 *ies;
36	int ie_len;
37#define MESH_CONF_SEC_NONE BIT(0)
38#define MESH_CONF_SEC_AUTH BIT(1)
39#define MESH_CONF_SEC_AMPE BIT(2)
40	unsigned int security;
41	int dot11MeshMaxRetries;
42	int dot11MeshRetryTimeout; /* msec */
43	int dot11MeshConfirmTimeout; /* msec */
44	int dot11MeshHoldingTimeout; /* msec */
45};
46
47#define MAX_STA_COUNT 2007
48#define MAX_VLAN_ID 4094
49
50typedef u8 macaddr[ETH_ALEN];
51
52struct mac_acl_entry {
53	macaddr addr;
54	int vlan_id;
55};
56
57struct hostapd_radius_servers;
58struct ft_remote_r0kh;
59struct ft_remote_r1kh;
60
61#define NUM_WEP_KEYS 4
62struct hostapd_wep_keys {
63	u8 idx;
64	u8 *key[NUM_WEP_KEYS];
65	size_t len[NUM_WEP_KEYS];
66	int keys_set;
67	size_t default_len; /* key length used for dynamic key generation */
68};
69
70typedef enum hostap_security_policy {
71	SECURITY_PLAINTEXT = 0,
72	SECURITY_STATIC_WEP = 1,
73	SECURITY_IEEE_802_1X = 2,
74	SECURITY_WPA_PSK = 3,
75	SECURITY_WPA = 4,
76	SECURITY_OSEN = 5
77} secpolicy;
78
79struct hostapd_ssid {
80	u8 ssid[SSID_MAX_LEN];
81	size_t ssid_len;
82	unsigned int ssid_set:1;
83	unsigned int utf8_ssid:1;
84	unsigned int wpa_passphrase_set:1;
85	unsigned int wpa_psk_set:1;
86
87	char vlan[IFNAMSIZ + 1];
88	secpolicy security_policy;
89
90	struct hostapd_wpa_psk *wpa_psk;
91	char *wpa_passphrase;
92	char *wpa_psk_file;
93
94	struct hostapd_wep_keys wep;
95
96#define DYNAMIC_VLAN_DISABLED 0
97#define DYNAMIC_VLAN_OPTIONAL 1
98#define DYNAMIC_VLAN_REQUIRED 2
99	int dynamic_vlan;
100#define DYNAMIC_VLAN_NAMING_WITHOUT_DEVICE 0
101#define DYNAMIC_VLAN_NAMING_WITH_DEVICE 1
102#define DYNAMIC_VLAN_NAMING_END 2
103	int vlan_naming;
104#ifdef CONFIG_FULL_DYNAMIC_VLAN
105	char *vlan_tagged_interface;
106#endif /* CONFIG_FULL_DYNAMIC_VLAN */
107};
108
109
110#define VLAN_ID_WILDCARD -1
111
112struct hostapd_vlan {
113	struct hostapd_vlan *next;
114	int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
115	char ifname[IFNAMSIZ + 1];
116	int configured;
117	int dynamic_vlan;
118#ifdef CONFIG_FULL_DYNAMIC_VLAN
119
120#define DVLAN_CLEAN_WLAN_PORT	0x8
121	int clean;
122#endif /* CONFIG_FULL_DYNAMIC_VLAN */
123};
124
125#define PMK_LEN 32
126struct hostapd_sta_wpa_psk_short {
127	struct hostapd_sta_wpa_psk_short *next;
128	u8 psk[PMK_LEN];
129};
130
131struct hostapd_wpa_psk {
132	struct hostapd_wpa_psk *next;
133	int group;
134	u8 psk[PMK_LEN];
135	u8 addr[ETH_ALEN];
136	u8 p2p_dev_addr[ETH_ALEN];
137};
138
139struct hostapd_eap_user {
140	struct hostapd_eap_user *next;
141	u8 *identity;
142	size_t identity_len;
143	struct {
144		int vendor;
145		u32 method;
146	} methods[EAP_MAX_METHODS];
147	u8 *password;
148	size_t password_len;
149	int phase2;
150	int force_version;
151	unsigned int wildcard_prefix:1;
152	unsigned int password_hash:1; /* whether password is hashed with
153				       * nt_password_hash() */
154	unsigned int remediation:1;
155	unsigned int macacl:1;
156	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
157	struct hostapd_radius_attr *accept_attr;
158};
159
160struct hostapd_radius_attr {
161	u8 type;
162	struct wpabuf *val;
163	struct hostapd_radius_attr *next;
164};
165
166
167#define NUM_TX_QUEUES 4
168
169struct hostapd_tx_queue_params {
170	int aifs;
171	int cwmin;
172	int cwmax;
173	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
174};
175
176
177#define MAX_ROAMING_CONSORTIUM_LEN 15
178
179struct hostapd_roaming_consortium {
180	u8 len;
181	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
182};
183
184struct hostapd_lang_string {
185	u8 lang[3];
186	u8 name_len;
187	u8 name[252];
188};
189
190#define MAX_NAI_REALMS 10
191#define MAX_NAI_REALMLEN 255
192#define MAX_NAI_EAP_METHODS 5
193#define MAX_NAI_AUTH_TYPES 4
194struct hostapd_nai_realm_data {
195	u8 encoding;
196	char realm_buf[MAX_NAI_REALMLEN + 1];
197	char *realm[MAX_NAI_REALMS];
198	u8 eap_method_count;
199	struct hostapd_nai_realm_eap {
200		u8 eap_method;
201		u8 num_auths;
202		u8 auth_id[MAX_NAI_AUTH_TYPES];
203		u8 auth_val[MAX_NAI_AUTH_TYPES];
204	} eap_method[MAX_NAI_EAP_METHODS];
205};
206
207/**
208 * struct hostapd_bss_config - Per-BSS configuration
209 */
210struct hostapd_bss_config {
211	char iface[IFNAMSIZ + 1];
212	char bridge[IFNAMSIZ + 1];
213	char vlan_bridge[IFNAMSIZ + 1];
214	char wds_bridge[IFNAMSIZ + 1];
215
216	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
217
218	unsigned int logger_syslog; /* module bitfield */
219	unsigned int logger_stdout; /* module bitfield */
220
221	int max_num_sta; /* maximum number of STAs in station table */
222
223	int dtim_period;
224	int bss_load_update_period;
225
226	int ieee802_1x; /* use IEEE 802.1X */
227	int eapol_version;
228	int eap_server; /* Use internal EAP server instead of external
229			 * RADIUS server */
230	struct hostapd_eap_user *eap_user;
231	char *eap_user_sqlite;
232	char *eap_sim_db;
233	int eap_server_erp; /* Whether ERP is enabled on internal EAP server */
234	struct hostapd_ip_addr own_ip_addr;
235	char *nas_identifier;
236	struct hostapd_radius_servers *radius;
237	int acct_interim_interval;
238	int radius_request_cui;
239	struct hostapd_radius_attr *radius_auth_req_attr;
240	struct hostapd_radius_attr *radius_acct_req_attr;
241	int radius_das_port;
242	unsigned int radius_das_time_window;
243	int radius_das_require_event_timestamp;
244	struct hostapd_ip_addr radius_das_client_addr;
245	u8 *radius_das_shared_secret;
246	size_t radius_das_shared_secret_len;
247
248	struct hostapd_ssid ssid;
249
250	char *eap_req_id_text; /* optional displayable message sent with
251				* EAP Request-Identity */
252	size_t eap_req_id_text_len;
253	int eapol_key_index_workaround;
254
255	size_t default_wep_key_len;
256	int individual_wep_key_len;
257	int wep_rekeying_period;
258	int broadcast_key_idx_min, broadcast_key_idx_max;
259	int eap_reauth_period;
260	int erp_send_reauth_start;
261	char *erp_domain;
262
263	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
264	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
265					* frames */
266
267	enum {
268		ACCEPT_UNLESS_DENIED = 0,
269		DENY_UNLESS_ACCEPTED = 1,
270		USE_EXTERNAL_RADIUS_AUTH = 2
271	} macaddr_acl;
272	struct mac_acl_entry *accept_mac;
273	int num_accept_mac;
274	struct mac_acl_entry *deny_mac;
275	int num_deny_mac;
276	int wds_sta;
277	int isolate;
278	int start_disabled;
279
280	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
281			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
282
283	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
284	int wpa_key_mgmt;
285#ifdef CONFIG_IEEE80211W
286	enum mfp_options ieee80211w;
287	int group_mgmt_cipher;
288	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
289	unsigned int assoc_sa_query_max_timeout;
290	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
291	int assoc_sa_query_retry_timeout;
292#endif /* CONFIG_IEEE80211W */
293	enum {
294		PSK_RADIUS_IGNORED = 0,
295		PSK_RADIUS_ACCEPTED = 1,
296		PSK_RADIUS_REQUIRED = 2
297	} wpa_psk_radius;
298	int wpa_pairwise;
299	int wpa_group;
300	int wpa_group_rekey;
301	int wpa_strict_rekey;
302	int wpa_gmk_rekey;
303	int wpa_ptk_rekey;
304	int rsn_pairwise;
305	int rsn_preauth;
306	char *rsn_preauth_interfaces;
307	int peerkey;
308
309#ifdef CONFIG_IEEE80211R
310	/* IEEE 802.11r - Fast BSS Transition */
311	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
312	u8 r1_key_holder[FT_R1KH_ID_LEN];
313	u32 r0_key_lifetime;
314	u32 reassociation_deadline;
315	struct ft_remote_r0kh *r0kh_list;
316	struct ft_remote_r1kh *r1kh_list;
317	int pmk_r1_push;
318	int ft_over_ds;
319#endif /* CONFIG_IEEE80211R */
320
321	char *ctrl_interface; /* directory for UNIX domain sockets */
322#ifndef CONFIG_NATIVE_WINDOWS
323	gid_t ctrl_interface_gid;
324#endif /* CONFIG_NATIVE_WINDOWS */
325	int ctrl_interface_gid_set;
326
327	char *ca_cert;
328	char *server_cert;
329	char *private_key;
330	char *private_key_passwd;
331	int check_crl;
332	char *ocsp_stapling_response;
333	char *dh_file;
334	char *openssl_ciphers;
335	u8 *pac_opaque_encr_key;
336	u8 *eap_fast_a_id;
337	size_t eap_fast_a_id_len;
338	char *eap_fast_a_id_info;
339	int eap_fast_prov;
340	int pac_key_lifetime;
341	int pac_key_refresh_time;
342	int eap_sim_aka_result_ind;
343	int tnc;
344	int fragment_size;
345	u16 pwd_group;
346
347	char *radius_server_clients;
348	int radius_server_auth_port;
349	int radius_server_acct_port;
350	int radius_server_ipv6;
351
352	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
353				 * address instead of individual address
354				 * (for driver_wired.c).
355				 */
356
357	int ap_max_inactivity;
358	int ignore_broadcast_ssid;
359
360	int wmm_enabled;
361	int wmm_uapsd;
362
363	struct hostapd_vlan *vlan;
364
365	macaddr bssid;
366
367	/*
368	 * Maximum listen interval that STAs can use when associating with this
369	 * BSS. If a STA tries to use larger value, the association will be
370	 * denied with status code 51.
371	 */
372	u16 max_listen_interval;
373
374	int disable_pmksa_caching;
375	int okc; /* Opportunistic Key Caching */
376
377	int wps_state;
378#ifdef CONFIG_WPS
379	int wps_independent;
380	int ap_setup_locked;
381	u8 uuid[16];
382	char *wps_pin_requests;
383	char *device_name;
384	char *manufacturer;
385	char *model_name;
386	char *model_number;
387	char *serial_number;
388	u8 device_type[WPS_DEV_TYPE_LEN];
389	char *config_methods;
390	u8 os_version[4];
391	char *ap_pin;
392	int skip_cred_build;
393	u8 *extra_cred;
394	size_t extra_cred_len;
395	int wps_cred_processing;
396	int force_per_enrollee_psk;
397	u8 *ap_settings;
398	size_t ap_settings_len;
399	char *upnp_iface;
400	char *friendly_name;
401	char *manufacturer_url;
402	char *model_description;
403	char *model_url;
404	char *upc;
405	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
406	int wps_nfc_pw_from_config;
407	int wps_nfc_dev_pw_id;
408	struct wpabuf *wps_nfc_dh_pubkey;
409	struct wpabuf *wps_nfc_dh_privkey;
410	struct wpabuf *wps_nfc_dev_pw;
411#endif /* CONFIG_WPS */
412	int pbc_in_m1;
413	char *server_id;
414
415#define P2P_ENABLED BIT(0)
416#define P2P_GROUP_OWNER BIT(1)
417#define P2P_GROUP_FORMATION BIT(2)
418#define P2P_MANAGE BIT(3)
419#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
420	int p2p;
421#ifdef CONFIG_P2P
422	u8 ip_addr_go[4];
423	u8 ip_addr_mask[4];
424	u8 ip_addr_start[4];
425	u8 ip_addr_end[4];
426#endif /* CONFIG_P2P */
427
428	int disassoc_low_ack;
429	int skip_inactivity_poll;
430
431#define TDLS_PROHIBIT BIT(0)
432#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
433	int tdls;
434	int disable_11n;
435	int disable_11ac;
436
437	/* IEEE 802.11v */
438	int time_advertisement;
439	char *time_zone;
440	int wnm_sleep_mode;
441	int bss_transition;
442
443	/* IEEE 802.11u - Interworking */
444	int interworking;
445	int access_network_type;
446	int internet;
447	int asra;
448	int esr;
449	int uesa;
450	int venue_info_set;
451	u8 venue_group;
452	u8 venue_type;
453	u8 hessid[ETH_ALEN];
454
455	/* IEEE 802.11u - Roaming Consortium list */
456	unsigned int roaming_consortium_count;
457	struct hostapd_roaming_consortium *roaming_consortium;
458
459	/* IEEE 802.11u - Venue Name duples */
460	unsigned int venue_name_count;
461	struct hostapd_lang_string *venue_name;
462
463	/* IEEE 802.11u - Network Authentication Type */
464	u8 *network_auth_type;
465	size_t network_auth_type_len;
466
467	/* IEEE 802.11u - IP Address Type Availability */
468	u8 ipaddr_type_availability;
469	u8 ipaddr_type_configured;
470
471	/* IEEE 802.11u - 3GPP Cellular Network */
472	u8 *anqp_3gpp_cell_net;
473	size_t anqp_3gpp_cell_net_len;
474
475	/* IEEE 802.11u - Domain Name */
476	u8 *domain_name;
477	size_t domain_name_len;
478
479	unsigned int nai_realm_count;
480	struct hostapd_nai_realm_data *nai_realm_data;
481
482	u16 gas_comeback_delay;
483	int gas_frag_limit;
484
485	u8 qos_map_set[16 + 2 * 21];
486	unsigned int qos_map_set_len;
487
488	int osen;
489	int proxy_arp;
490	int na_mcast_to_ucast;
491#ifdef CONFIG_HS20
492	int hs20;
493	int disable_dgaf;
494	u16 anqp_domain_id;
495	unsigned int hs20_oper_friendly_name_count;
496	struct hostapd_lang_string *hs20_oper_friendly_name;
497	u8 *hs20_wan_metrics;
498	u8 *hs20_connection_capability;
499	size_t hs20_connection_capability_len;
500	u8 *hs20_operating_class;
501	u8 hs20_operating_class_len;
502	struct hs20_icon {
503		u16 width;
504		u16 height;
505		char language[3];
506		char type[256];
507		char name[256];
508		char file[256];
509	} *hs20_icons;
510	size_t hs20_icons_count;
511	u8 osu_ssid[SSID_MAX_LEN];
512	size_t osu_ssid_len;
513	struct hs20_osu_provider {
514		unsigned int friendly_name_count;
515		struct hostapd_lang_string *friendly_name;
516		char *server_uri;
517		int *method_list;
518		char **icons;
519		size_t icons_count;
520		char *osu_nai;
521		unsigned int service_desc_count;
522		struct hostapd_lang_string *service_desc;
523	} *hs20_osu_providers, *last_osu;
524	size_t hs20_osu_providers_count;
525	unsigned int hs20_deauth_req_timeout;
526	char *subscr_remediation_url;
527	u8 subscr_remediation_method;
528#endif /* CONFIG_HS20 */
529
530	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
531
532#ifdef CONFIG_RADIUS_TEST
533	char *dump_msk_file;
534#endif /* CONFIG_RADIUS_TEST */
535
536	struct wpabuf *vendor_elements;
537
538	unsigned int sae_anti_clogging_threshold;
539	int *sae_groups;
540
541	char *wowlan_triggers; /* Wake-on-WLAN triggers */
542
543#ifdef CONFIG_TESTING_OPTIONS
544	u8 bss_load_test[5];
545	u8 bss_load_test_set;
546#endif /* CONFIG_TESTING_OPTIONS */
547
548#define MESH_ENABLED BIT(0)
549	int mesh;
550
551	int radio_measurements;
552
553	int vendor_vht;
554};
555
556
557/**
558 * struct hostapd_config - Per-radio interface configuration
559 */
560struct hostapd_config {
561	struct hostapd_bss_config **bss, *last_bss;
562	size_t num_bss;
563
564	u16 beacon_int;
565	int rts_threshold;
566	int fragm_threshold;
567	u8 send_probe_response;
568	u8 channel;
569	u8 acs;
570	struct wpa_freq_range_list acs_ch_list;
571	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
572	enum {
573		LONG_PREAMBLE = 0,
574		SHORT_PREAMBLE = 1
575	} preamble;
576
577	int *supported_rates;
578	int *basic_rates;
579
580	const struct wpa_driver_ops *driver;
581	char *driver_params;
582
583	int ap_table_max_size;
584	int ap_table_expiration_time;
585
586	char country[3]; /* first two octets: country code as described in
587			  * ISO/IEC 3166-1. Third octet:
588			  * ' ' (ascii 32): all environments
589			  * 'O': Outdoor environemnt only
590			  * 'I': Indoor environment only
591			  */
592
593	int ieee80211d;
594
595	int ieee80211h; /* DFS */
596
597	/*
598	 * Local power constraint is an octet encoded as an unsigned integer in
599	 * units of decibels. Invalid value -1 indicates that Power Constraint
600	 * element will not be added.
601	 */
602	int local_pwr_constraint;
603
604	/* Control Spectrum Management bit */
605	int spectrum_mgmt_required;
606
607	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
608
609	/*
610	 * WMM AC parameters, in same order as 802.1D, i.e.
611	 * 0 = BE (best effort)
612	 * 1 = BK (background)
613	 * 2 = VI (video)
614	 * 3 = VO (voice)
615	 */
616	struct hostapd_wmm_ac_params wmm_ac_params[4];
617
618	int ht_op_mode_fixed;
619	u16 ht_capab;
620	int ieee80211n;
621	int secondary_channel;
622	int require_ht;
623	int obss_interval;
624	u32 vht_capab;
625	int ieee80211ac;
626	int require_vht;
627	u8 vht_oper_chwidth;
628	u8 vht_oper_centr_freq_seg0_idx;
629	u8 vht_oper_centr_freq_seg1_idx;
630
631#ifdef CONFIG_P2P
632	u8 p2p_go_ctwindow;
633#endif /* CONFIG_P2P */
634
635#ifdef CONFIG_TESTING_OPTIONS
636	double ignore_probe_probability;
637	double ignore_auth_probability;
638	double ignore_assoc_probability;
639	double ignore_reassoc_probability;
640	double corrupt_gtk_rekey_mic_probability;
641#endif /* CONFIG_TESTING_OPTIONS */
642
643#ifdef CONFIG_ACS
644	unsigned int acs_num_scans;
645	struct acs_bias {
646		int channel;
647		double bias;
648	} *acs_chan_bias;
649	unsigned int num_acs_chan_bias;
650#endif /* CONFIG_ACS */
651};
652
653
654int hostapd_mac_comp(const void *a, const void *b);
655int hostapd_mac_comp_empty(const void *a);
656struct hostapd_config * hostapd_config_defaults(void);
657void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
658void hostapd_config_free_eap_user(struct hostapd_eap_user *user);
659void hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk **p);
660void hostapd_config_free_bss(struct hostapd_bss_config *conf);
661void hostapd_config_free(struct hostapd_config *conf);
662int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
663			  const u8 *addr, int *vlan_id);
664int hostapd_rate_found(int *list, int rate);
665const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
666			   const u8 *addr, const u8 *p2p_dev_addr,
667			   const u8 *prev_psk);
668int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
669int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id);
670const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
671					int vlan_id);
672struct hostapd_radius_attr *
673hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
674int hostapd_config_check(struct hostapd_config *conf, int full_config);
675void hostapd_set_security_params(struct hostapd_bss_config *bss,
676				 int full_config);
677
678#endif /* HOSTAPD_CONFIG_H */
679