ap_config.h revision b5e8f06e18446918f6d801566e5709a8c87f1780
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 "wps/wps.h"
16
17#define MAX_STA_COUNT 2007
18#define MAX_VLAN_ID 4094
19
20typedef u8 macaddr[ETH_ALEN];
21
22struct mac_acl_entry {
23	macaddr addr;
24	int vlan_id;
25};
26
27struct hostapd_radius_servers;
28struct ft_remote_r0kh;
29struct ft_remote_r1kh;
30
31#define HOSTAPD_MAX_SSID_LEN 32
32
33#define NUM_WEP_KEYS 4
34struct hostapd_wep_keys {
35	u8 idx;
36	u8 *key[NUM_WEP_KEYS];
37	size_t len[NUM_WEP_KEYS];
38	int keys_set;
39	size_t default_len; /* key length used for dynamic key generation */
40};
41
42typedef enum hostap_security_policy {
43	SECURITY_PLAINTEXT = 0,
44	SECURITY_STATIC_WEP = 1,
45	SECURITY_IEEE_802_1X = 2,
46	SECURITY_WPA_PSK = 3,
47	SECURITY_WPA = 4
48} secpolicy;
49
50struct hostapd_ssid {
51	char ssid[HOSTAPD_MAX_SSID_LEN + 1];
52	size_t ssid_len;
53	int ssid_set;
54
55	char vlan[IFNAMSIZ + 1];
56	secpolicy security_policy;
57
58	struct hostapd_wpa_psk *wpa_psk;
59	char *wpa_passphrase;
60	char *wpa_psk_file;
61
62	struct hostapd_wep_keys wep;
63
64#define DYNAMIC_VLAN_DISABLED 0
65#define DYNAMIC_VLAN_OPTIONAL 1
66#define DYNAMIC_VLAN_REQUIRED 2
67	int dynamic_vlan;
68#ifdef CONFIG_FULL_DYNAMIC_VLAN
69	char *vlan_tagged_interface;
70#endif /* CONFIG_FULL_DYNAMIC_VLAN */
71	struct hostapd_wep_keys **dyn_vlan_keys;
72	size_t max_dyn_vlan_keys;
73};
74
75
76#define VLAN_ID_WILDCARD -1
77
78struct hostapd_vlan {
79	struct hostapd_vlan *next;
80	int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
81	char ifname[IFNAMSIZ + 1];
82	int dynamic_vlan;
83#ifdef CONFIG_FULL_DYNAMIC_VLAN
84
85#define DVLAN_CLEAN_BR 	0x1
86#define DVLAN_CLEAN_VLAN	0x2
87#define DVLAN_CLEAN_VLAN_PORT	0x4
88#define DVLAN_CLEAN_WLAN_PORT	0x8
89	int clean;
90#endif /* CONFIG_FULL_DYNAMIC_VLAN */
91};
92
93#define PMK_LEN 32
94struct hostapd_wpa_psk {
95	struct hostapd_wpa_psk *next;
96	int group;
97	u8 psk[PMK_LEN];
98	u8 addr[ETH_ALEN];
99};
100
101struct hostapd_eap_user {
102	struct hostapd_eap_user *next;
103	u8 *identity;
104	size_t identity_len;
105	struct {
106		int vendor;
107		u32 method;
108	} methods[EAP_MAX_METHODS];
109	u8 *password;
110	size_t password_len;
111	int phase2;
112	int force_version;
113	unsigned int wildcard_prefix:1;
114	unsigned int password_hash:1; /* whether password is hashed with
115				       * nt_password_hash() */
116	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
117};
118
119struct hostapd_radius_attr {
120	u8 type;
121	struct wpabuf *val;
122	struct hostapd_radius_attr *next;
123};
124
125
126#define NUM_TX_QUEUES 4
127
128struct hostapd_tx_queue_params {
129	int aifs;
130	int cwmin;
131	int cwmax;
132	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
133};
134
135struct hostapd_wmm_ac_params {
136	int cwmin;
137	int cwmax;
138	int aifs;
139	int txop_limit; /* in units of 32us */
140	int admission_control_mandatory;
141};
142
143
144#define MAX_ROAMING_CONSORTIUM_LEN 15
145
146struct hostapd_roaming_consortium {
147	u8 len;
148	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
149};
150
151struct hostapd_venue_name {
152	u8 lang[3];
153	u8 name_len;
154	u8 name[252];
155};
156
157/**
158 * struct hostapd_bss_config - Per-BSS configuration
159 */
160struct hostapd_bss_config {
161	char iface[IFNAMSIZ + 1];
162	char bridge[IFNAMSIZ + 1];
163	char wds_bridge[IFNAMSIZ + 1];
164
165	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
166
167	unsigned int logger_syslog; /* module bitfield */
168	unsigned int logger_stdout; /* module bitfield */
169
170	char *dump_log_name; /* file name for state dump (SIGUSR1) */
171
172	int max_num_sta; /* maximum number of STAs in station table */
173
174	int dtim_period;
175
176	int ieee802_1x; /* use IEEE 802.1X */
177	int eapol_version;
178	int eap_server; /* Use internal EAP server instead of external
179			 * RADIUS server */
180	struct hostapd_eap_user *eap_user;
181	char *eap_sim_db;
182	struct hostapd_ip_addr own_ip_addr;
183	char *nas_identifier;
184	struct hostapd_radius_servers *radius;
185	int acct_interim_interval;
186	int radius_request_cui;
187	struct hostapd_radius_attr *radius_auth_req_attr;
188	struct hostapd_radius_attr *radius_acct_req_attr;
189	int radius_das_port;
190	unsigned int radius_das_time_window;
191	int radius_das_require_event_timestamp;
192	struct hostapd_ip_addr radius_das_client_addr;
193	u8 *radius_das_shared_secret;
194	size_t radius_das_shared_secret_len;
195
196	struct hostapd_ssid ssid;
197
198	char *eap_req_id_text; /* optional displayable message sent with
199				* EAP Request-Identity */
200	size_t eap_req_id_text_len;
201	int eapol_key_index_workaround;
202
203	size_t default_wep_key_len;
204	int individual_wep_key_len;
205	int wep_rekeying_period;
206	int broadcast_key_idx_min, broadcast_key_idx_max;
207	int eap_reauth_period;
208
209	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
210	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
211					* frames */
212
213	enum {
214		ACCEPT_UNLESS_DENIED = 0,
215		DENY_UNLESS_ACCEPTED = 1,
216		USE_EXTERNAL_RADIUS_AUTH = 2
217	} macaddr_acl;
218	struct mac_acl_entry *accept_mac;
219	int num_accept_mac;
220	struct mac_acl_entry *deny_mac;
221	int num_deny_mac;
222	int wds_sta;
223	int isolate;
224
225	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
226			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
227
228	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
229	int wpa_key_mgmt;
230#ifdef CONFIG_IEEE80211W
231	enum mfp_options ieee80211w;
232	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
233	unsigned int assoc_sa_query_max_timeout;
234	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
235	int assoc_sa_query_retry_timeout;
236#endif /* CONFIG_IEEE80211W */
237	enum {
238		PSK_RADIUS_IGNORED = 0,
239		PSK_RADIUS_ACCEPTED = 1,
240		PSK_RADIUS_REQUIRED = 2
241	} wpa_psk_radius;
242	int wpa_pairwise;
243	int wpa_group;
244	int wpa_group_rekey;
245	int wpa_strict_rekey;
246	int wpa_gmk_rekey;
247	int wpa_ptk_rekey;
248	int rsn_pairwise;
249	int rsn_preauth;
250	char *rsn_preauth_interfaces;
251	int peerkey;
252
253#ifdef CONFIG_IEEE80211R
254	/* IEEE 802.11r - Fast BSS Transition */
255	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
256	u8 r1_key_holder[FT_R1KH_ID_LEN];
257	u32 r0_key_lifetime;
258	u32 reassociation_deadline;
259	struct ft_remote_r0kh *r0kh_list;
260	struct ft_remote_r1kh *r1kh_list;
261	int pmk_r1_push;
262	int ft_over_ds;
263#endif /* CONFIG_IEEE80211R */
264
265	char *ctrl_interface; /* directory for UNIX domain sockets */
266#ifndef CONFIG_NATIVE_WINDOWS
267	gid_t ctrl_interface_gid;
268#endif /* CONFIG_NATIVE_WINDOWS */
269	int ctrl_interface_gid_set;
270
271	char *ca_cert;
272	char *server_cert;
273	char *private_key;
274	char *private_key_passwd;
275	int check_crl;
276	char *dh_file;
277	u8 *pac_opaque_encr_key;
278	u8 *eap_fast_a_id;
279	size_t eap_fast_a_id_len;
280	char *eap_fast_a_id_info;
281	int eap_fast_prov;
282	int pac_key_lifetime;
283	int pac_key_refresh_time;
284	int eap_sim_aka_result_ind;
285	int tnc;
286	int fragment_size;
287	u16 pwd_group;
288
289	char *radius_server_clients;
290	int radius_server_auth_port;
291	int radius_server_ipv6;
292
293	char *test_socket; /* UNIX domain socket path for driver_test */
294
295	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
296				 * address instead of individual address
297				 * (for driver_wired.c).
298				 */
299
300	int ap_max_inactivity;
301	int ignore_broadcast_ssid;
302
303	int wmm_enabled;
304	int wmm_uapsd;
305
306	struct hostapd_vlan *vlan, *vlan_tail;
307
308	macaddr bssid;
309
310	/*
311	 * Maximum listen interval that STAs can use when associating with this
312	 * BSS. If a STA tries to use larger value, the association will be
313	 * denied with status code 51.
314	 */
315	u16 max_listen_interval;
316
317	int disable_pmksa_caching;
318	int okc; /* Opportunistic Key Caching */
319
320	int wps_state;
321#ifdef CONFIG_WPS
322	int ap_setup_locked;
323	u8 uuid[16];
324	char *wps_pin_requests;
325	char *device_name;
326	char *manufacturer;
327	char *model_name;
328	char *model_number;
329	char *serial_number;
330	u8 device_type[WPS_DEV_TYPE_LEN];
331	char *config_methods;
332	u8 os_version[4];
333	char *ap_pin;
334	int skip_cred_build;
335	u8 *extra_cred;
336	size_t extra_cred_len;
337	int wps_cred_processing;
338	u8 *ap_settings;
339	size_t ap_settings_len;
340	char *upnp_iface;
341	char *friendly_name;
342	char *manufacturer_url;
343	char *model_description;
344	char *model_url;
345	char *upc;
346	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
347	int wps_nfc_dev_pw_id;
348	struct wpabuf *wps_nfc_dh_pubkey;
349	struct wpabuf *wps_nfc_dh_privkey;
350	struct wpabuf *wps_nfc_dev_pw;
351#endif /* CONFIG_WPS */
352	int pbc_in_m1;
353
354#define P2P_ENABLED BIT(0)
355#define P2P_GROUP_OWNER BIT(1)
356#define P2P_GROUP_FORMATION BIT(2)
357#define P2P_MANAGE BIT(3)
358#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
359	int p2p;
360
361	int disassoc_low_ack;
362	int skip_inactivity_poll;
363
364#define TDLS_PROHIBIT BIT(0)
365#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
366	int tdls;
367	int disable_11n;
368	int disable_11ac;
369
370	/* IEEE 802.11v */
371	int time_advertisement;
372	char *time_zone;
373
374	/* IEEE 802.11u - Interworking */
375	int interworking;
376	int access_network_type;
377	int internet;
378	int asra;
379	int esr;
380	int uesa;
381	int venue_info_set;
382	u8 venue_group;
383	u8 venue_type;
384	u8 hessid[ETH_ALEN];
385
386	/* IEEE 802.11u - Roaming Consortium list */
387	unsigned int roaming_consortium_count;
388	struct hostapd_roaming_consortium *roaming_consortium;
389
390	/* IEEE 802.11u - Venue Name duples */
391	unsigned int venue_name_count;
392	struct hostapd_venue_name *venue_name;
393
394	u16 gas_comeback_delay;
395	int gas_frag_limit;
396
397	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
398
399#ifdef CONFIG_RADIUS_TEST
400	char *dump_msk_file;
401#endif /* CONFIG_RADIUS_TEST */
402};
403
404
405/**
406 * struct hostapd_config - Per-radio interface configuration
407 */
408struct hostapd_config {
409	struct hostapd_bss_config *bss, *last_bss;
410	size_t num_bss;
411
412	u16 beacon_int;
413	int rts_threshold;
414	int fragm_threshold;
415	u8 send_probe_response;
416	u8 channel;
417	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
418	enum {
419		LONG_PREAMBLE = 0,
420		SHORT_PREAMBLE = 1
421	} preamble;
422
423	int *supported_rates;
424	int *basic_rates;
425
426	const struct wpa_driver_ops *driver;
427
428	int ap_table_max_size;
429	int ap_table_expiration_time;
430
431	char country[3]; /* first two octets: country code as described in
432			  * ISO/IEC 3166-1. Third octet:
433			  * ' ' (ascii 32): all environments
434			  * 'O': Outdoor environemnt only
435			  * 'I': Indoor environment only
436			  */
437
438	int ieee80211d;
439
440	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
441
442	/*
443	 * WMM AC parameters, in same order as 802.1D, i.e.
444	 * 0 = BE (best effort)
445	 * 1 = BK (background)
446	 * 2 = VI (video)
447	 * 3 = VO (voice)
448	 */
449	struct hostapd_wmm_ac_params wmm_ac_params[4];
450
451	int ht_op_mode_fixed;
452	u16 ht_capab;
453	int ieee80211n;
454	int secondary_channel;
455	int require_ht;
456	u32 vht_capab;
457	int ieee80211ac;
458	u8 vht_oper_chwidth;
459};
460
461
462int hostapd_mac_comp(const void *a, const void *b);
463int hostapd_mac_comp_empty(const void *a);
464struct hostapd_config * hostapd_config_defaults(void);
465void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
466void hostapd_config_free(struct hostapd_config *conf);
467int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
468			  const u8 *addr, int *vlan_id);
469int hostapd_rate_found(int *list, int rate);
470int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
471			struct hostapd_wep_keys *b);
472const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
473			   const u8 *addr, const u8 *prev_psk);
474int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
475const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
476					int vlan_id);
477const struct hostapd_eap_user *
478hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
479		     size_t identity_len, int phase2);
480struct hostapd_radius_attr *
481hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
482
483#endif /* HOSTAPD_CONFIG_H */
484