ap_config.h revision fb79edc9df1f20461e90e478363d207348213d35
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_common.h"
16#include "wps/wps.h"
17
18#define MAX_STA_COUNT 2007
19#define MAX_VLAN_ID 4094
20
21typedef u8 macaddr[ETH_ALEN];
22
23struct mac_acl_entry {
24	macaddr addr;
25	int vlan_id;
26};
27
28struct hostapd_radius_servers;
29struct ft_remote_r0kh;
30struct ft_remote_r1kh;
31
32#define HOSTAPD_MAX_SSID_LEN 32
33
34#define NUM_WEP_KEYS 4
35struct hostapd_wep_keys {
36	u8 idx;
37	u8 *key[NUM_WEP_KEYS];
38	size_t len[NUM_WEP_KEYS];
39	int keys_set;
40	size_t default_len; /* key length used for dynamic key generation */
41};
42
43typedef enum hostap_security_policy {
44	SECURITY_PLAINTEXT = 0,
45	SECURITY_STATIC_WEP = 1,
46	SECURITY_IEEE_802_1X = 2,
47	SECURITY_WPA_PSK = 3,
48	SECURITY_WPA = 4
49} secpolicy;
50
51struct hostapd_ssid {
52	u8 ssid[HOSTAPD_MAX_SSID_LEN];
53	size_t ssid_len;
54	unsigned int ssid_set:1;
55	unsigned int utf8_ssid:1;
56	unsigned int wpa_passphrase_set:1;
57	unsigned int wpa_psk_set:1;
58
59	char vlan[IFNAMSIZ + 1];
60	secpolicy security_policy;
61
62	struct hostapd_wpa_psk *wpa_psk;
63	char *wpa_passphrase;
64	char *wpa_psk_file;
65
66	struct hostapd_wep_keys wep;
67
68#define DYNAMIC_VLAN_DISABLED 0
69#define DYNAMIC_VLAN_OPTIONAL 1
70#define DYNAMIC_VLAN_REQUIRED 2
71	int dynamic_vlan;
72#define DYNAMIC_VLAN_NAMING_WITHOUT_DEVICE 0
73#define DYNAMIC_VLAN_NAMING_WITH_DEVICE 1
74#define DYNAMIC_VLAN_NAMING_END 2
75	int vlan_naming;
76#ifdef CONFIG_FULL_DYNAMIC_VLAN
77	char *vlan_tagged_interface;
78#endif /* CONFIG_FULL_DYNAMIC_VLAN */
79};
80
81
82#define VLAN_ID_WILDCARD -1
83
84struct hostapd_vlan {
85	struct hostapd_vlan *next;
86	int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
87	char ifname[IFNAMSIZ + 1];
88	int dynamic_vlan;
89#ifdef CONFIG_FULL_DYNAMIC_VLAN
90
91#define DVLAN_CLEAN_BR 	0x1
92#define DVLAN_CLEAN_VLAN	0x2
93#define DVLAN_CLEAN_VLAN_PORT	0x4
94#define DVLAN_CLEAN_WLAN_PORT	0x8
95	int clean;
96#endif /* CONFIG_FULL_DYNAMIC_VLAN */
97};
98
99#define PMK_LEN 32
100struct hostapd_sta_wpa_psk_short {
101	struct hostapd_sta_wpa_psk_short *next;
102	u8 psk[PMK_LEN];
103};
104
105struct hostapd_wpa_psk {
106	struct hostapd_wpa_psk *next;
107	int group;
108	u8 psk[PMK_LEN];
109	u8 addr[ETH_ALEN];
110	u8 p2p_dev_addr[ETH_ALEN];
111};
112
113struct hostapd_eap_user {
114	struct hostapd_eap_user *next;
115	u8 *identity;
116	size_t identity_len;
117	struct {
118		int vendor;
119		u32 method;
120	} methods[EAP_MAX_METHODS];
121	u8 *password;
122	size_t password_len;
123	int phase2;
124	int force_version;
125	unsigned int wildcard_prefix:1;
126	unsigned int password_hash:1; /* whether password is hashed with
127				       * nt_password_hash() */
128	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
129};
130
131struct hostapd_radius_attr {
132	u8 type;
133	struct wpabuf *val;
134	struct hostapd_radius_attr *next;
135};
136
137
138#define NUM_TX_QUEUES 4
139
140struct hostapd_tx_queue_params {
141	int aifs;
142	int cwmin;
143	int cwmax;
144	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
145};
146
147
148#define MAX_ROAMING_CONSORTIUM_LEN 15
149
150struct hostapd_roaming_consortium {
151	u8 len;
152	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
153};
154
155struct hostapd_lang_string {
156	u8 lang[3];
157	u8 name_len;
158	u8 name[252];
159};
160
161#define MAX_NAI_REALMS 10
162#define MAX_NAI_REALMLEN 255
163#define MAX_NAI_EAP_METHODS 5
164#define MAX_NAI_AUTH_TYPES 4
165struct hostapd_nai_realm_data {
166	u8 encoding;
167	char realm_buf[MAX_NAI_REALMLEN + 1];
168	char *realm[MAX_NAI_REALMS];
169	u8 eap_method_count;
170	struct hostapd_nai_realm_eap {
171		u8 eap_method;
172		u8 num_auths;
173		u8 auth_id[MAX_NAI_AUTH_TYPES];
174		u8 auth_val[MAX_NAI_AUTH_TYPES];
175	} eap_method[MAX_NAI_EAP_METHODS];
176};
177
178/**
179 * struct hostapd_bss_config - Per-BSS configuration
180 */
181struct hostapd_bss_config {
182	char iface[IFNAMSIZ + 1];
183	char bridge[IFNAMSIZ + 1];
184	char vlan_bridge[IFNAMSIZ + 1];
185	char wds_bridge[IFNAMSIZ + 1];
186
187	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
188
189	unsigned int logger_syslog; /* module bitfield */
190	unsigned int logger_stdout; /* module bitfield */
191
192	int max_num_sta; /* maximum number of STAs in station table */
193
194	int dtim_period;
195
196	int ieee802_1x; /* use IEEE 802.1X */
197	int eapol_version;
198	int eap_server; /* Use internal EAP server instead of external
199			 * RADIUS server */
200	struct hostapd_eap_user *eap_user;
201	char *eap_user_sqlite;
202	char *eap_sim_db;
203	struct hostapd_ip_addr own_ip_addr;
204	char *nas_identifier;
205	struct hostapd_radius_servers *radius;
206	int acct_interim_interval;
207	int radius_request_cui;
208	struct hostapd_radius_attr *radius_auth_req_attr;
209	struct hostapd_radius_attr *radius_acct_req_attr;
210	int radius_das_port;
211	unsigned int radius_das_time_window;
212	int radius_das_require_event_timestamp;
213	struct hostapd_ip_addr radius_das_client_addr;
214	u8 *radius_das_shared_secret;
215	size_t radius_das_shared_secret_len;
216
217	struct hostapd_ssid ssid;
218
219	char *eap_req_id_text; /* optional displayable message sent with
220				* EAP Request-Identity */
221	size_t eap_req_id_text_len;
222	int eapol_key_index_workaround;
223
224	size_t default_wep_key_len;
225	int individual_wep_key_len;
226	int wep_rekeying_period;
227	int broadcast_key_idx_min, broadcast_key_idx_max;
228	int eap_reauth_period;
229
230	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
231	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
232					* frames */
233
234	enum {
235		ACCEPT_UNLESS_DENIED = 0,
236		DENY_UNLESS_ACCEPTED = 1,
237		USE_EXTERNAL_RADIUS_AUTH = 2
238	} macaddr_acl;
239	struct mac_acl_entry *accept_mac;
240	int num_accept_mac;
241	struct mac_acl_entry *deny_mac;
242	int num_deny_mac;
243	int wds_sta;
244	int isolate;
245	int start_disabled;
246
247	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
248			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
249
250	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
251	int wpa_key_mgmt;
252#ifdef CONFIG_IEEE80211W
253	enum mfp_options ieee80211w;
254	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
255	unsigned int assoc_sa_query_max_timeout;
256	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
257	int assoc_sa_query_retry_timeout;
258#endif /* CONFIG_IEEE80211W */
259	enum {
260		PSK_RADIUS_IGNORED = 0,
261		PSK_RADIUS_ACCEPTED = 1,
262		PSK_RADIUS_REQUIRED = 2
263	} wpa_psk_radius;
264	int wpa_pairwise;
265	int wpa_group;
266	int wpa_group_rekey;
267	int wpa_strict_rekey;
268	int wpa_gmk_rekey;
269	int wpa_ptk_rekey;
270	int rsn_pairwise;
271	int rsn_preauth;
272	char *rsn_preauth_interfaces;
273	int peerkey;
274
275#ifdef CONFIG_IEEE80211R
276	/* IEEE 802.11r - Fast BSS Transition */
277	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
278	u8 r1_key_holder[FT_R1KH_ID_LEN];
279	u32 r0_key_lifetime;
280	u32 reassociation_deadline;
281	struct ft_remote_r0kh *r0kh_list;
282	struct ft_remote_r1kh *r1kh_list;
283	int pmk_r1_push;
284	int ft_over_ds;
285#endif /* CONFIG_IEEE80211R */
286
287	char *ctrl_interface; /* directory for UNIX domain sockets */
288#ifndef CONFIG_NATIVE_WINDOWS
289	gid_t ctrl_interface_gid;
290#endif /* CONFIG_NATIVE_WINDOWS */
291	int ctrl_interface_gid_set;
292
293	char *ca_cert;
294	char *server_cert;
295	char *private_key;
296	char *private_key_passwd;
297	int check_crl;
298	char *ocsp_stapling_response;
299	char *dh_file;
300	u8 *pac_opaque_encr_key;
301	u8 *eap_fast_a_id;
302	size_t eap_fast_a_id_len;
303	char *eap_fast_a_id_info;
304	int eap_fast_prov;
305	int pac_key_lifetime;
306	int pac_key_refresh_time;
307	int eap_sim_aka_result_ind;
308	int tnc;
309	int fragment_size;
310	u16 pwd_group;
311
312	char *radius_server_clients;
313	int radius_server_auth_port;
314	int radius_server_ipv6;
315
316	char *test_socket; /* UNIX domain socket path for driver_test */
317
318	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
319				 * address instead of individual address
320				 * (for driver_wired.c).
321				 */
322
323	int ap_max_inactivity;
324	int ignore_broadcast_ssid;
325
326	int wmm_enabled;
327	int wmm_uapsd;
328
329	struct hostapd_vlan *vlan;
330
331	macaddr bssid;
332
333	/*
334	 * Maximum listen interval that STAs can use when associating with this
335	 * BSS. If a STA tries to use larger value, the association will be
336	 * denied with status code 51.
337	 */
338	u16 max_listen_interval;
339
340	int disable_pmksa_caching;
341	int okc; /* Opportunistic Key Caching */
342
343	int wps_state;
344#ifdef CONFIG_WPS
345	int wps_independent;
346	int ap_setup_locked;
347	u8 uuid[16];
348	char *wps_pin_requests;
349	char *device_name;
350	char *manufacturer;
351	char *model_name;
352	char *model_number;
353	char *serial_number;
354	u8 device_type[WPS_DEV_TYPE_LEN];
355	char *config_methods;
356	u8 os_version[4];
357	char *ap_pin;
358	int skip_cred_build;
359	u8 *extra_cred;
360	size_t extra_cred_len;
361	int wps_cred_processing;
362	int force_per_enrollee_psk;
363	u8 *ap_settings;
364	size_t ap_settings_len;
365	char *upnp_iface;
366	char *friendly_name;
367	char *manufacturer_url;
368	char *model_description;
369	char *model_url;
370	char *upc;
371	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
372	int wps_nfc_pw_from_config;
373	int wps_nfc_dev_pw_id;
374	struct wpabuf *wps_nfc_dh_pubkey;
375	struct wpabuf *wps_nfc_dh_privkey;
376	struct wpabuf *wps_nfc_dev_pw;
377#endif /* CONFIG_WPS */
378	int pbc_in_m1;
379	char *server_id;
380
381#define P2P_ENABLED BIT(0)
382#define P2P_GROUP_OWNER BIT(1)
383#define P2P_GROUP_FORMATION BIT(2)
384#define P2P_MANAGE BIT(3)
385#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
386	int p2p;
387
388	int disassoc_low_ack;
389	int skip_inactivity_poll;
390
391#define TDLS_PROHIBIT BIT(0)
392#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
393	int tdls;
394	int disable_11n;
395	int disable_11ac;
396
397	/* IEEE 802.11v */
398	int time_advertisement;
399	char *time_zone;
400	int wnm_sleep_mode;
401	int bss_transition;
402
403	/* IEEE 802.11u - Interworking */
404	int interworking;
405	int access_network_type;
406	int internet;
407	int asra;
408	int esr;
409	int uesa;
410	int venue_info_set;
411	u8 venue_group;
412	u8 venue_type;
413	u8 hessid[ETH_ALEN];
414
415	/* IEEE 802.11u - Roaming Consortium list */
416	unsigned int roaming_consortium_count;
417	struct hostapd_roaming_consortium *roaming_consortium;
418
419	/* IEEE 802.11u - Venue Name duples */
420	unsigned int venue_name_count;
421	struct hostapd_lang_string *venue_name;
422
423	/* IEEE 802.11u - Network Authentication Type */
424	u8 *network_auth_type;
425	size_t network_auth_type_len;
426
427	/* IEEE 802.11u - IP Address Type Availability */
428	u8 ipaddr_type_availability;
429	u8 ipaddr_type_configured;
430
431	/* IEEE 802.11u - 3GPP Cellular Network */
432	u8 *anqp_3gpp_cell_net;
433	size_t anqp_3gpp_cell_net_len;
434
435	/* IEEE 802.11u - Domain Name */
436	u8 *domain_name;
437	size_t domain_name_len;
438
439	unsigned int nai_realm_count;
440	struct hostapd_nai_realm_data *nai_realm_data;
441
442	u16 gas_comeback_delay;
443	int gas_frag_limit;
444
445	u8 qos_map_set[16 + 2 * 21];
446	unsigned int qos_map_set_len;
447
448#ifdef CONFIG_HS20
449	int hs20;
450	int disable_dgaf;
451	unsigned int hs20_oper_friendly_name_count;
452	struct hostapd_lang_string *hs20_oper_friendly_name;
453	u8 *hs20_wan_metrics;
454	u8 *hs20_connection_capability;
455	size_t hs20_connection_capability_len;
456	u8 *hs20_operating_class;
457	u8 hs20_operating_class_len;
458#endif /* CONFIG_HS20 */
459
460	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
461
462#ifdef CONFIG_RADIUS_TEST
463	char *dump_msk_file;
464#endif /* CONFIG_RADIUS_TEST */
465
466	struct wpabuf *vendor_elements;
467
468	unsigned int sae_anti_clogging_threshold;
469	int *sae_groups;
470
471#ifdef CONFIG_TESTING_OPTIONS
472	u8 bss_load_test[5];
473	u8 bss_load_test_set;
474#endif /* CONFIG_TESTING_OPTIONS */
475};
476
477
478/**
479 * struct hostapd_config - Per-radio interface configuration
480 */
481struct hostapd_config {
482	struct hostapd_bss_config **bss, *last_bss;
483	size_t num_bss;
484
485	u16 beacon_int;
486	int rts_threshold;
487	int fragm_threshold;
488	u8 send_probe_response;
489	u8 channel;
490	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
491	enum {
492		LONG_PREAMBLE = 0,
493		SHORT_PREAMBLE = 1
494	} preamble;
495
496	int *supported_rates;
497	int *basic_rates;
498
499	const struct wpa_driver_ops *driver;
500
501	int ap_table_max_size;
502	int ap_table_expiration_time;
503
504	char country[3]; /* first two octets: country code as described in
505			  * ISO/IEC 3166-1. Third octet:
506			  * ' ' (ascii 32): all environments
507			  * 'O': Outdoor environemnt only
508			  * 'I': Indoor environment only
509			  */
510
511	int ieee80211d;
512
513	int ieee80211h; /* DFS */
514
515	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
516
517	/*
518	 * WMM AC parameters, in same order as 802.1D, i.e.
519	 * 0 = BE (best effort)
520	 * 1 = BK (background)
521	 * 2 = VI (video)
522	 * 3 = VO (voice)
523	 */
524	struct hostapd_wmm_ac_params wmm_ac_params[4];
525
526	int ht_op_mode_fixed;
527	u16 ht_capab;
528	int ieee80211n;
529	int secondary_channel;
530	int require_ht;
531	int obss_interval;
532	u32 vht_capab;
533	int ieee80211ac;
534	int require_vht;
535	u8 vht_oper_chwidth;
536	u8 vht_oper_centr_freq_seg0_idx;
537	u8 vht_oper_centr_freq_seg1_idx;
538
539#ifdef CONFIG_TESTING_OPTIONS
540	double ignore_probe_probability;
541	double ignore_auth_probability;
542	double ignore_assoc_probability;
543	double ignore_reassoc_probability;
544	double corrupt_gtk_rekey_mic_probability;
545#endif /* CONFIG_TESTING_OPTIONS */
546
547#ifdef CONFIG_ACS
548	unsigned int acs_num_scans;
549#endif /* CONFIG_ACS */
550};
551
552
553int hostapd_mac_comp(const void *a, const void *b);
554int hostapd_mac_comp_empty(const void *a);
555struct hostapd_config * hostapd_config_defaults(void);
556void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
557void hostapd_config_free_bss(struct hostapd_bss_config *conf);
558void hostapd_config_free(struct hostapd_config *conf);
559int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
560			  const u8 *addr, int *vlan_id);
561int hostapd_rate_found(int *list, int rate);
562int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
563			struct hostapd_wep_keys *b);
564const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
565			   const u8 *addr, const u8 *p2p_dev_addr,
566			   const u8 *prev_psk);
567int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
568int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id);
569const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
570					int vlan_id);
571struct hostapd_radius_attr *
572hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
573int hostapd_config_check(struct hostapd_config *conf);
574void hostapd_set_security_params(struct hostapd_bss_config *bss);
575
576#endif /* HOSTAPD_CONFIG_H */
577