1/*
2 * hostapd / Configuration definitions and helpers functions
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef HOSTAPD_CONFIG_H
16#define HOSTAPD_CONFIG_H
17
18#include "common/defs.h"
19#include "ip_addr.h"
20#include "common/wpa_common.h"
21
22#define MAX_STA_COUNT 2007
23#define MAX_VLAN_ID 4094
24
25typedef u8 macaddr[ETH_ALEN];
26
27struct mac_acl_entry {
28	macaddr addr;
29	int vlan_id;
30};
31
32struct hostapd_radius_servers;
33struct ft_remote_r0kh;
34struct ft_remote_r1kh;
35
36#define HOSTAPD_MAX_SSID_LEN 32
37
38#define NUM_WEP_KEYS 4
39struct hostapd_wep_keys {
40	u8 idx;
41	u8 *key[NUM_WEP_KEYS];
42	size_t len[NUM_WEP_KEYS];
43	int keys_set;
44	size_t default_len; /* key length used for dynamic key generation */
45};
46
47typedef enum hostap_security_policy {
48	SECURITY_PLAINTEXT = 0,
49	SECURITY_STATIC_WEP = 1,
50	SECURITY_IEEE_802_1X = 2,
51	SECURITY_WPA_PSK = 3,
52	SECURITY_WPA = 4
53} secpolicy;
54
55struct hostapd_ssid {
56	char ssid[HOSTAPD_MAX_SSID_LEN + 1];
57	size_t ssid_len;
58	int ssid_set;
59
60	char vlan[IFNAMSIZ + 1];
61	secpolicy security_policy;
62
63	struct hostapd_wpa_psk *wpa_psk;
64	char *wpa_passphrase;
65	char *wpa_psk_file;
66
67	struct hostapd_wep_keys wep;
68
69#define DYNAMIC_VLAN_DISABLED 0
70#define DYNAMIC_VLAN_OPTIONAL 1
71#define DYNAMIC_VLAN_REQUIRED 2
72	int dynamic_vlan;
73#ifdef CONFIG_FULL_DYNAMIC_VLAN
74	char *vlan_tagged_interface;
75#endif /* CONFIG_FULL_DYNAMIC_VLAN */
76	struct hostapd_wep_keys **dyn_vlan_keys;
77	size_t max_dyn_vlan_keys;
78};
79
80
81#define VLAN_ID_WILDCARD -1
82
83struct hostapd_vlan {
84	struct hostapd_vlan *next;
85	int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
86	char ifname[IFNAMSIZ + 1];
87	int dynamic_vlan;
88#ifdef CONFIG_FULL_DYNAMIC_VLAN
89
90#define DVLAN_CLEAN_BR 	0x1
91#define DVLAN_CLEAN_VLAN	0x2
92#define DVLAN_CLEAN_VLAN_PORT	0x4
93#define DVLAN_CLEAN_WLAN_PORT	0x8
94	int clean;
95#endif /* CONFIG_FULL_DYNAMIC_VLAN */
96};
97
98#define PMK_LEN 32
99struct hostapd_wpa_psk {
100	struct hostapd_wpa_psk *next;
101	int group;
102	u8 psk[PMK_LEN];
103	u8 addr[ETH_ALEN];
104};
105
106#define EAP_USER_MAX_METHODS 8
107struct hostapd_eap_user {
108	struct hostapd_eap_user *next;
109	u8 *identity;
110	size_t identity_len;
111	struct {
112		int vendor;
113		u32 method;
114	} methods[EAP_USER_MAX_METHODS];
115	u8 *password;
116	size_t password_len;
117	int phase2;
118	int force_version;
119	unsigned int wildcard_prefix:1;
120	unsigned int password_hash:1; /* whether password is hashed with
121				       * nt_password_hash() */
122	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
123};
124
125
126#define NUM_TX_QUEUES 8
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	int configured;
134};
135
136struct hostapd_wmm_ac_params {
137	int cwmin;
138	int cwmax;
139	int aifs;
140	int txop_limit; /* in units of 32us */
141	int admission_control_mandatory;
142};
143
144
145/**
146 * struct hostapd_bss_config - Per-BSS configuration
147 */
148struct hostapd_bss_config {
149	char iface[IFNAMSIZ + 1];
150	char bridge[IFNAMSIZ + 1];
151
152	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
153
154	unsigned int logger_syslog; /* module bitfield */
155	unsigned int logger_stdout; /* module bitfield */
156
157	char *dump_log_name; /* file name for state dump (SIGUSR1) */
158
159	int max_num_sta; /* maximum number of STAs in station table */
160
161	int dtim_period;
162
163	int ieee802_1x; /* use IEEE 802.1X */
164	int eapol_version;
165	int eap_server; /* Use internal EAP server instead of external
166			 * RADIUS server */
167	struct hostapd_eap_user *eap_user;
168	char *eap_sim_db;
169	struct hostapd_ip_addr own_ip_addr;
170	char *nas_identifier;
171	struct hostapd_radius_servers *radius;
172	int acct_interim_interval;
173
174	struct hostapd_ssid ssid;
175
176	char *eap_req_id_text; /* optional displayable message sent with
177				* EAP Request-Identity */
178	size_t eap_req_id_text_len;
179	int eapol_key_index_workaround;
180
181	size_t default_wep_key_len;
182	int individual_wep_key_len;
183	int wep_rekeying_period;
184	int broadcast_key_idx_min, broadcast_key_idx_max;
185	int eap_reauth_period;
186
187	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
188	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
189					* frames */
190
191	enum {
192		ACCEPT_UNLESS_DENIED = 0,
193		DENY_UNLESS_ACCEPTED = 1,
194		USE_EXTERNAL_RADIUS_AUTH = 2
195	} macaddr_acl;
196	struct mac_acl_entry *accept_mac;
197	int num_accept_mac;
198	struct mac_acl_entry *deny_mac;
199	int num_deny_mac;
200	int wds_sta;
201
202	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
203			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
204
205	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
206	int wpa_key_mgmt;
207#ifdef CONFIG_IEEE80211W
208	enum mfp_options ieee80211w;
209	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
210	unsigned int assoc_sa_query_max_timeout;
211	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
212	int assoc_sa_query_retry_timeout;
213#endif /* CONFIG_IEEE80211W */
214	int wpa_pairwise;
215	int wpa_group;
216	int wpa_group_rekey;
217	int wpa_strict_rekey;
218	int wpa_gmk_rekey;
219	int wpa_ptk_rekey;
220	int rsn_pairwise;
221	int rsn_preauth;
222	char *rsn_preauth_interfaces;
223	int peerkey;
224
225#ifdef CONFIG_IEEE80211R
226	/* IEEE 802.11r - Fast BSS Transition */
227	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
228	u8 r1_key_holder[FT_R1KH_ID_LEN];
229	u32 r0_key_lifetime;
230	u32 reassociation_deadline;
231	struct ft_remote_r0kh *r0kh_list;
232	struct ft_remote_r1kh *r1kh_list;
233	int pmk_r1_push;
234#endif /* CONFIG_IEEE80211R */
235
236	char *ctrl_interface; /* directory for UNIX domain sockets */
237#ifndef CONFIG_NATIVE_WINDOWS
238	gid_t ctrl_interface_gid;
239#endif /* CONFIG_NATIVE_WINDOWS */
240	int ctrl_interface_gid_set;
241
242	char *ca_cert;
243	char *server_cert;
244	char *private_key;
245	char *private_key_passwd;
246	int check_crl;
247	char *dh_file;
248	u8 *pac_opaque_encr_key;
249	u8 *eap_fast_a_id;
250	size_t eap_fast_a_id_len;
251	char *eap_fast_a_id_info;
252	int eap_fast_prov;
253	int pac_key_lifetime;
254	int pac_key_refresh_time;
255	int eap_sim_aka_result_ind;
256	int tnc;
257
258	char *radius_server_clients;
259	int radius_server_auth_port;
260	int radius_server_ipv6;
261
262	char *test_socket; /* UNIX domain socket path for driver_test */
263
264	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
265				 * address instead of individual address
266				 * (for driver_wired.c).
267				 */
268
269	int ap_max_inactivity;
270	int ignore_broadcast_ssid;
271
272	int wmm_enabled;
273	int wmm_uapsd;
274
275	struct hostapd_vlan *vlan, *vlan_tail;
276
277	macaddr bssid;
278
279	/*
280	 * Maximum listen interval that STAs can use when associating with this
281	 * BSS. If a STA tries to use larger value, the association will be
282	 * denied with status code 51.
283	 */
284	u16 max_listen_interval;
285
286	int okc; /* Opportunistic Key Caching */
287
288	int wps_state;
289#ifdef CONFIG_WPS
290	int ap_setup_locked;
291	u8 uuid[16];
292	char *wps_pin_requests;
293	char *device_name;
294	char *manufacturer;
295	char *model_name;
296	char *model_number;
297	char *serial_number;
298	char *device_type;
299	char *config_methods;
300	u8 os_version[4];
301	char *ap_pin;
302	int skip_cred_build;
303	u8 *extra_cred;
304	size_t extra_cred_len;
305	int wps_cred_processing;
306	u8 *ap_settings;
307	size_t ap_settings_len;
308	char *upnp_iface;
309	char *friendly_name;
310	char *manufacturer_url;
311	char *model_description;
312	char *model_url;
313	char *upc;
314#endif /* CONFIG_WPS */
315};
316
317
318/**
319 * struct hostapd_config - Per-radio interface configuration
320 */
321struct hostapd_config {
322	struct hostapd_bss_config *bss, *last_bss;
323	size_t num_bss;
324
325	u16 beacon_int;
326	int rts_threshold;
327	int fragm_threshold;
328	u8 send_probe_response;
329	u8 channel;
330	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
331	enum {
332		LONG_PREAMBLE = 0,
333		SHORT_PREAMBLE = 1
334	} preamble;
335	enum {
336		CTS_PROTECTION_AUTOMATIC = 0,
337		CTS_PROTECTION_FORCE_ENABLED = 1,
338		CTS_PROTECTION_FORCE_DISABLED = 2,
339		CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
340	} cts_protection_type;
341
342	int *supported_rates;
343	int *basic_rates;
344
345	const struct wpa_driver_ops *driver;
346
347	int ap_table_max_size;
348	int ap_table_expiration_time;
349
350	char country[3]; /* first two octets: country code as described in
351			  * ISO/IEC 3166-1. Third octet:
352			  * ' ' (ascii 32): all environments
353			  * 'O': Outdoor environemnt only
354			  * 'I': Indoor environment only
355			  */
356
357	int ieee80211d;
358
359	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
360
361	/*
362	 * WMM AC parameters, in same order as 802.1D, i.e.
363	 * 0 = BE (best effort)
364	 * 1 = BK (background)
365	 * 2 = VI (video)
366	 * 3 = VO (voice)
367	 */
368	struct hostapd_wmm_ac_params wmm_ac_params[4];
369
370	int ht_op_mode_fixed;
371	u16 ht_capab;
372	int ieee80211n;
373	int secondary_channel;
374};
375
376
377int hostapd_mac_comp(const void *a, const void *b);
378int hostapd_mac_comp_empty(const void *a);
379struct hostapd_config * hostapd_config_defaults(void);
380void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
381void hostapd_config_free(struct hostapd_config *conf);
382int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
383			  const u8 *addr, int *vlan_id);
384int hostapd_rate_found(int *list, int rate);
385int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
386			struct hostapd_wep_keys *b);
387const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
388			   const u8 *addr, const u8 *prev_psk);
389int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
390const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
391					int vlan_id);
392const struct hostapd_eap_user *
393hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
394		     size_t identity_len, int phase2);
395
396#endif /* HOSTAPD_CONFIG_H */
397