ap_config.h revision 5460547a121207cf7a99eac45e05fcdd83be3161 
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	char *dump_log_name; /* file name for state dump (SIGUSR1) */
193
194	int max_num_sta; /* maximum number of STAs in station table */
195
196	int dtim_period;
197
198	int ieee802_1x; /* use IEEE 802.1X */
199	int eapol_version;
200	int eap_server; /* Use internal EAP server instead of external
201			 * RADIUS server */
202	struct hostapd_eap_user *eap_user;
203	char *eap_user_sqlite;
204	char *eap_sim_db;
205	struct hostapd_ip_addr own_ip_addr;
206	char *nas_identifier;
207	struct hostapd_radius_servers *radius;
208	int acct_interim_interval;
209	int radius_request_cui;
210	struct hostapd_radius_attr *radius_auth_req_attr;
211	struct hostapd_radius_attr *radius_acct_req_attr;
212	int radius_das_port;
213	unsigned int radius_das_time_window;
214	int radius_das_require_event_timestamp;
215	struct hostapd_ip_addr radius_das_client_addr;
216	u8 *radius_das_shared_secret;
217	size_t radius_das_shared_secret_len;
218
219	struct hostapd_ssid ssid;
220
221	char *eap_req_id_text; /* optional displayable message sent with
222				* EAP Request-Identity */
223	size_t eap_req_id_text_len;
224	int eapol_key_index_workaround;
225
226	size_t default_wep_key_len;
227	int individual_wep_key_len;
228	int wep_rekeying_period;
229	int broadcast_key_idx_min, broadcast_key_idx_max;
230	int eap_reauth_period;
231
232	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
233	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
234					* frames */
235
236	enum {
237		ACCEPT_UNLESS_DENIED = 0,
238		DENY_UNLESS_ACCEPTED = 1,
239		USE_EXTERNAL_RADIUS_AUTH = 2
240	} macaddr_acl;
241	struct mac_acl_entry *accept_mac;
242	int num_accept_mac;
243	struct mac_acl_entry *deny_mac;
244	int num_deny_mac;
245	int wds_sta;
246	int isolate;
247	int start_disabled;
248
249	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
250			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
251
252	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
253	int wpa_key_mgmt;
254#ifdef CONFIG_IEEE80211W
255	enum mfp_options ieee80211w;
256	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
257	unsigned int assoc_sa_query_max_timeout;
258	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
259	int assoc_sa_query_retry_timeout;
260#endif /* CONFIG_IEEE80211W */
261	enum {
262		PSK_RADIUS_IGNORED = 0,
263		PSK_RADIUS_ACCEPTED = 1,
264		PSK_RADIUS_REQUIRED = 2
265	} wpa_psk_radius;
266	int wpa_pairwise;
267	int wpa_group;
268	int wpa_group_rekey;
269	int wpa_strict_rekey;
270	int wpa_gmk_rekey;
271	int wpa_ptk_rekey;
272	int rsn_pairwise;
273	int rsn_preauth;
274	char *rsn_preauth_interfaces;
275	int peerkey;
276
277#ifdef CONFIG_IEEE80211R
278	/* IEEE 802.11r - Fast BSS Transition */
279	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
280	u8 r1_key_holder[FT_R1KH_ID_LEN];
281	u32 r0_key_lifetime;
282	u32 reassociation_deadline;
283	struct ft_remote_r0kh *r0kh_list;
284	struct ft_remote_r1kh *r1kh_list;
285	int pmk_r1_push;
286	int ft_over_ds;
287#endif /* CONFIG_IEEE80211R */
288
289	char *ctrl_interface; /* directory for UNIX domain sockets */
290#ifndef CONFIG_NATIVE_WINDOWS
291	gid_t ctrl_interface_gid;
292#endif /* CONFIG_NATIVE_WINDOWS */
293	int ctrl_interface_gid_set;
294
295	char *ca_cert;
296	char *server_cert;
297	char *private_key;
298	char *private_key_passwd;
299	int check_crl;
300	char *ocsp_stapling_response;
301	char *dh_file;
302	u8 *pac_opaque_encr_key;
303	u8 *eap_fast_a_id;
304	size_t eap_fast_a_id_len;
305	char *eap_fast_a_id_info;
306	int eap_fast_prov;
307	int pac_key_lifetime;
308	int pac_key_refresh_time;
309	int eap_sim_aka_result_ind;
310	int tnc;
311	int fragment_size;
312	u16 pwd_group;
313
314	char *radius_server_clients;
315	int radius_server_auth_port;
316	int radius_server_ipv6;
317
318	char *test_socket; /* UNIX domain socket path for driver_test */
319
320	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
321				 * address instead of individual address
322				 * (for driver_wired.c).
323				 */
324
325	int ap_max_inactivity;
326	int ignore_broadcast_ssid;
327
328	int wmm_enabled;
329	int wmm_uapsd;
330
331	struct hostapd_vlan *vlan;
332
333	macaddr bssid;
334
335	/*
336	 * Maximum listen interval that STAs can use when associating with this
337	 * BSS. If a STA tries to use larger value, the association will be
338	 * denied with status code 51.
339	 */
340	u16 max_listen_interval;
341
342	int disable_pmksa_caching;
343	int okc; /* Opportunistic Key Caching */
344
345	int wps_state;
346#ifdef CONFIG_WPS
347	int wps_independent;
348	int ap_setup_locked;
349	u8 uuid[16];
350	char *wps_pin_requests;
351	char *device_name;
352	char *manufacturer;
353	char *model_name;
354	char *model_number;
355	char *serial_number;
356	u8 device_type[WPS_DEV_TYPE_LEN];
357	char *config_methods;
358	u8 os_version[4];
359	char *ap_pin;
360	int skip_cred_build;
361	u8 *extra_cred;
362	size_t extra_cred_len;
363	int wps_cred_processing;
364	int force_per_enrollee_psk;
365	u8 *ap_settings;
366	size_t ap_settings_len;
367	char *upnp_iface;
368	char *friendly_name;
369	char *manufacturer_url;
370	char *model_description;
371	char *model_url;
372	char *upc;
373	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
374	int wps_nfc_pw_from_config;
375	int wps_nfc_dev_pw_id;
376	struct wpabuf *wps_nfc_dh_pubkey;
377	struct wpabuf *wps_nfc_dh_privkey;
378	struct wpabuf *wps_nfc_dev_pw;
379#endif /* CONFIG_WPS */
380	int pbc_in_m1;
381	char *server_id;
382
383#define P2P_ENABLED BIT(0)
384#define P2P_GROUP_OWNER BIT(1)
385#define P2P_GROUP_FORMATION BIT(2)
386#define P2P_MANAGE BIT(3)
387#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
388	int p2p;
389
390	int disassoc_low_ack;
391	int skip_inactivity_poll;
392
393#define TDLS_PROHIBIT BIT(0)
394#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
395	int tdls;
396	int disable_11n;
397	int disable_11ac;
398
399	/* IEEE 802.11v */
400	int time_advertisement;
401	char *time_zone;
402	int wnm_sleep_mode;
403	int bss_transition;
404
405	/* IEEE 802.11u - Interworking */
406	int interworking;
407	int access_network_type;
408	int internet;
409	int asra;
410	int esr;
411	int uesa;
412	int venue_info_set;
413	u8 venue_group;
414	u8 venue_type;
415	u8 hessid[ETH_ALEN];
416
417	/* IEEE 802.11u - Roaming Consortium list */
418	unsigned int roaming_consortium_count;
419	struct hostapd_roaming_consortium *roaming_consortium;
420
421	/* IEEE 802.11u - Venue Name duples */
422	unsigned int venue_name_count;
423	struct hostapd_lang_string *venue_name;
424
425	/* IEEE 802.11u - Network Authentication Type */
426	u8 *network_auth_type;
427	size_t network_auth_type_len;
428
429	/* IEEE 802.11u - IP Address Type Availability */
430	u8 ipaddr_type_availability;
431	u8 ipaddr_type_configured;
432
433	/* IEEE 802.11u - 3GPP Cellular Network */
434	u8 *anqp_3gpp_cell_net;
435	size_t anqp_3gpp_cell_net_len;
436
437	/* IEEE 802.11u - Domain Name */
438	u8 *domain_name;
439	size_t domain_name_len;
440
441	unsigned int nai_realm_count;
442	struct hostapd_nai_realm_data *nai_realm_data;
443
444	u16 gas_comeback_delay;
445	int gas_frag_limit;
446
447	u8 qos_map_set[16 + 2 * 21];
448	unsigned int qos_map_set_len;
449
450#ifdef CONFIG_HS20
451	int hs20;
452	int disable_dgaf;
453	unsigned int hs20_oper_friendly_name_count;
454	struct hostapd_lang_string *hs20_oper_friendly_name;
455	u8 *hs20_wan_metrics;
456	u8 *hs20_connection_capability;
457	size_t hs20_connection_capability_len;
458	u8 *hs20_operating_class;
459	u8 hs20_operating_class_len;
460#endif /* CONFIG_HS20 */
461
462	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
463
464#ifdef CONFIG_RADIUS_TEST
465	char *dump_msk_file;
466#endif /* CONFIG_RADIUS_TEST */
467
468	struct wpabuf *vendor_elements;
469
470	unsigned int sae_anti_clogging_threshold;
471	int *sae_groups;
472
473#ifdef CONFIG_TESTING_OPTIONS
474	u8 bss_load_test[5];
475	u8 bss_load_test_set;
476#endif /* CONFIG_TESTING_OPTIONS */
477};
478
479
480/**
481 * struct hostapd_config - Per-radio interface configuration
482 */
483struct hostapd_config {
484	struct hostapd_bss_config **bss, *last_bss;
485	size_t num_bss;
486
487	u16 beacon_int;
488	int rts_threshold;
489	int fragm_threshold;
490	u8 send_probe_response;
491	u8 channel;
492	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
493	enum {
494		LONG_PREAMBLE = 0,
495		SHORT_PREAMBLE = 1
496	} preamble;
497
498	int *supported_rates;
499	int *basic_rates;
500
501	const struct wpa_driver_ops *driver;
502
503	int ap_table_max_size;
504	int ap_table_expiration_time;
505
506	char country[3]; /* first two octets: country code as described in
507			  * ISO/IEC 3166-1. Third octet:
508			  * ' ' (ascii 32): all environments
509			  * 'O': Outdoor environemnt only
510			  * 'I': Indoor environment only
511			  */
512
513	int ieee80211d;
514
515	int ieee80211h; /* DFS */
516
517	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
518
519	/*
520	 * WMM AC parameters, in same order as 802.1D, i.e.
521	 * 0 = BE (best effort)
522	 * 1 = BK (background)
523	 * 2 = VI (video)
524	 * 3 = VO (voice)
525	 */
526	struct hostapd_wmm_ac_params wmm_ac_params[4];
527
528	int ht_op_mode_fixed;
529	u16 ht_capab;
530	int ieee80211n;
531	int secondary_channel;
532	int require_ht;
533	int obss_interval;
534	u32 vht_capab;
535	int ieee80211ac;
536	int require_vht;
537	u8 vht_oper_chwidth;
538	u8 vht_oper_centr_freq_seg0_idx;
539	u8 vht_oper_centr_freq_seg1_idx;
540
541#ifdef CONFIG_TESTING_OPTIONS
542	double ignore_probe_probability;
543	double ignore_auth_probability;
544	double ignore_assoc_probability;
545	double ignore_reassoc_probability;
546	double corrupt_gtk_rekey_mic_probability;
547#endif /* CONFIG_TESTING_OPTIONS */
548
549#ifdef CONFIG_ACS
550	unsigned int acs_num_scans;
551#endif /* CONFIG_ACS */
552};
553
554
555int hostapd_mac_comp(const void *a, const void *b);
556int hostapd_mac_comp_empty(const void *a);
557struct hostapd_config * hostapd_config_defaults(void);
558void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
559void hostapd_config_free_bss(struct hostapd_bss_config *conf);
560void hostapd_config_free(struct hostapd_config *conf);
561int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
562			  const u8 *addr, int *vlan_id);
563int hostapd_rate_found(int *list, int rate);
564int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
565			struct hostapd_wep_keys *b);
566const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
567			   const u8 *addr, const u8 *p2p_dev_addr,
568			   const u8 *prev_psk);
569int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
570int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id);
571const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
572					int vlan_id);
573struct hostapd_radius_attr *
574hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
575int hostapd_config_check(struct hostapd_config *conf);
576void hostapd_set_security_params(struct hostapd_bss_config *bss);
577
578#endif /* HOSTAPD_CONFIG_H */
579