ap_config.h revision 87fd279308af3f806848c8f2ab65ef18c6ac4c30 
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#include "wps/wps.h"
22
23#define MAX_STA_COUNT 2007
24#define MAX_VLAN_ID 4094
25
26typedef u8 macaddr[ETH_ALEN];
27
28struct mac_acl_entry {
29	macaddr addr;
30	int vlan_id;
31};
32
33struct hostapd_radius_servers;
34struct ft_remote_r0kh;
35struct ft_remote_r1kh;
36
37#define HOSTAPD_MAX_SSID_LEN 32
38
39#define NUM_WEP_KEYS 4
40struct hostapd_wep_keys {
41	u8 idx;
42	u8 *key[NUM_WEP_KEYS];
43	size_t len[NUM_WEP_KEYS];
44	int keys_set;
45	size_t default_len; /* key length used for dynamic key generation */
46};
47
48typedef enum hostap_security_policy {
49	SECURITY_PLAINTEXT = 0,
50	SECURITY_STATIC_WEP = 1,
51	SECURITY_IEEE_802_1X = 2,
52	SECURITY_WPA_PSK = 3,
53	SECURITY_WPA = 4
54} secpolicy;
55
56struct hostapd_ssid {
57	char ssid[HOSTAPD_MAX_SSID_LEN + 1];
58	size_t ssid_len;
59	int ssid_set;
60
61	char vlan[IFNAMSIZ + 1];
62	secpolicy security_policy;
63
64	struct hostapd_wpa_psk *wpa_psk;
65	char *wpa_passphrase;
66	char *wpa_psk_file;
67
68	struct hostapd_wep_keys wep;
69
70#define DYNAMIC_VLAN_DISABLED 0
71#define DYNAMIC_VLAN_OPTIONAL 1
72#define DYNAMIC_VLAN_REQUIRED 2
73	int dynamic_vlan;
74#ifdef CONFIG_FULL_DYNAMIC_VLAN
75	char *vlan_tagged_interface;
76#endif /* CONFIG_FULL_DYNAMIC_VLAN */
77	struct hostapd_wep_keys **dyn_vlan_keys;
78	size_t max_dyn_vlan_keys;
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_wpa_psk {
101	struct hostapd_wpa_psk *next;
102	int group;
103	u8 psk[PMK_LEN];
104	u8 addr[ETH_ALEN];
105};
106
107#define EAP_USER_MAX_METHODS 8
108struct hostapd_eap_user {
109	struct hostapd_eap_user *next;
110	u8 *identity;
111	size_t identity_len;
112	struct {
113		int vendor;
114		u32 method;
115	} methods[EAP_USER_MAX_METHODS];
116	u8 *password;
117	size_t password_len;
118	int phase2;
119	int force_version;
120	unsigned int wildcard_prefix:1;
121	unsigned int password_hash:1; /* whether password is hashed with
122				       * nt_password_hash() */
123	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
124};
125
126
127#define NUM_TX_QUEUES 4
128
129struct hostapd_tx_queue_params {
130	int aifs;
131	int cwmin;
132	int cwmax;
133	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
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	char wds_bridge[IFNAMSIZ + 1];
152
153	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
154
155	unsigned int logger_syslog; /* module bitfield */
156	unsigned int logger_stdout; /* module bitfield */
157
158	char *dump_log_name; /* file name for state dump (SIGUSR1) */
159
160	int max_num_sta; /* maximum number of STAs in station table */
161
162	int dtim_period;
163
164	int ieee802_1x; /* use IEEE 802.1X */
165	int eapol_version;
166	int eap_server; /* Use internal EAP server instead of external
167			 * RADIUS server */
168	struct hostapd_eap_user *eap_user;
169	char *eap_sim_db;
170	struct hostapd_ip_addr own_ip_addr;
171	char *nas_identifier;
172	struct hostapd_radius_servers *radius;
173	int acct_interim_interval;
174
175	struct hostapd_ssid ssid;
176
177	char *eap_req_id_text; /* optional displayable message sent with
178				* EAP Request-Identity */
179	size_t eap_req_id_text_len;
180	int eapol_key_index_workaround;
181
182	size_t default_wep_key_len;
183	int individual_wep_key_len;
184	int wep_rekeying_period;
185	int broadcast_key_idx_min, broadcast_key_idx_max;
186	int eap_reauth_period;
187
188	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
189	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
190					* frames */
191
192	enum {
193		ACCEPT_UNLESS_DENIED = 0,
194		DENY_UNLESS_ACCEPTED = 1,
195		USE_EXTERNAL_RADIUS_AUTH = 2
196	} macaddr_acl;
197	struct mac_acl_entry *accept_mac;
198	int num_accept_mac;
199	struct mac_acl_entry *deny_mac;
200	int num_deny_mac;
201	int wds_sta;
202	int isolate;
203
204	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
205			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
206
207	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
208	int wpa_key_mgmt;
209#ifdef CONFIG_IEEE80211W
210	enum mfp_options ieee80211w;
211	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
212	unsigned int assoc_sa_query_max_timeout;
213	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
214	int assoc_sa_query_retry_timeout;
215#endif /* CONFIG_IEEE80211W */
216	int wpa_pairwise;
217	int wpa_group;
218	int wpa_group_rekey;
219	int wpa_strict_rekey;
220	int wpa_gmk_rekey;
221	int wpa_ptk_rekey;
222	int rsn_pairwise;
223	int rsn_preauth;
224	char *rsn_preauth_interfaces;
225	int peerkey;
226
227#ifdef CONFIG_IEEE80211R
228	/* IEEE 802.11r - Fast BSS Transition */
229	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
230	u8 r1_key_holder[FT_R1KH_ID_LEN];
231	u32 r0_key_lifetime;
232	u32 reassociation_deadline;
233	struct ft_remote_r0kh *r0kh_list;
234	struct ft_remote_r1kh *r1kh_list;
235	int pmk_r1_push;
236	int ft_over_ds;
237#endif /* CONFIG_IEEE80211R */
238
239	char *ctrl_interface; /* directory for UNIX domain sockets */
240#ifndef CONFIG_NATIVE_WINDOWS
241	gid_t ctrl_interface_gid;
242#endif /* CONFIG_NATIVE_WINDOWS */
243	int ctrl_interface_gid_set;
244
245	char *ca_cert;
246	char *server_cert;
247	char *private_key;
248	char *private_key_passwd;
249	int check_crl;
250	char *dh_file;
251	u8 *pac_opaque_encr_key;
252	u8 *eap_fast_a_id;
253	size_t eap_fast_a_id_len;
254	char *eap_fast_a_id_info;
255	int eap_fast_prov;
256	int pac_key_lifetime;
257	int pac_key_refresh_time;
258	int eap_sim_aka_result_ind;
259	int tnc;
260	int fragment_size;
261	u16 pwd_group;
262
263	char *radius_server_clients;
264	int radius_server_auth_port;
265	int radius_server_ipv6;
266
267	char *test_socket; /* UNIX domain socket path for driver_test */
268
269	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
270				 * address instead of individual address
271				 * (for driver_wired.c).
272				 */
273
274	int ap_max_inactivity;
275	int ignore_broadcast_ssid;
276
277	int wmm_enabled;
278	int wmm_uapsd;
279
280	struct hostapd_vlan *vlan, *vlan_tail;
281
282	macaddr bssid;
283
284	/*
285	 * Maximum listen interval that STAs can use when associating with this
286	 * BSS. If a STA tries to use larger value, the association will be
287	 * denied with status code 51.
288	 */
289	u16 max_listen_interval;
290
291	int okc; /* Opportunistic Key Caching */
292
293	int wps_state;
294#ifdef CONFIG_WPS
295	int ap_setup_locked;
296	u8 uuid[16];
297	char *wps_pin_requests;
298	char *device_name;
299	char *manufacturer;
300	char *model_name;
301	char *model_number;
302	char *serial_number;
303	u8 device_type[WPS_DEV_TYPE_LEN];
304	char *config_methods;
305	u8 os_version[4];
306	char *ap_pin;
307	int skip_cred_build;
308	u8 *extra_cred;
309	size_t extra_cred_len;
310	int wps_cred_processing;
311	u8 *ap_settings;
312	size_t ap_settings_len;
313	char *upnp_iface;
314	char *friendly_name;
315	char *manufacturer_url;
316	char *model_description;
317	char *model_url;
318	char *upc;
319	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
320#endif /* CONFIG_WPS */
321	int pbc_in_m1;
322
323#define P2P_ENABLED BIT(0)
324#define P2P_GROUP_OWNER BIT(1)
325#define P2P_GROUP_FORMATION BIT(2)
326#define P2P_MANAGE BIT(3)
327#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
328	int p2p;
329
330	int disassoc_low_ack;
331
332#define TDLS_PROHIBIT BIT(0)
333#define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
334	int tdls;
335	int disable_11n;
336};
337
338
339/**
340 * struct hostapd_config - Per-radio interface configuration
341 */
342struct hostapd_config {
343	struct hostapd_bss_config *bss, *last_bss;
344	size_t num_bss;
345
346	u16 beacon_int;
347	int rts_threshold;
348	int fragm_threshold;
349	u8 send_probe_response;
350	u8 channel;
351	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
352	enum {
353		LONG_PREAMBLE = 0,
354		SHORT_PREAMBLE = 1
355	} preamble;
356	enum {
357		CTS_PROTECTION_AUTOMATIC = 0,
358		CTS_PROTECTION_FORCE_ENABLED = 1,
359		CTS_PROTECTION_FORCE_DISABLED = 2,
360		CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
361	} cts_protection_type;
362
363	int *supported_rates;
364	int *basic_rates;
365
366	const struct wpa_driver_ops *driver;
367
368	int ap_table_max_size;
369	int ap_table_expiration_time;
370
371	char country[3]; /* first two octets: country code as described in
372			  * ISO/IEC 3166-1. Third octet:
373			  * ' ' (ascii 32): all environments
374			  * 'O': Outdoor environemnt only
375			  * 'I': Indoor environment only
376			  */
377
378	int ieee80211d;
379
380	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
381
382	/*
383	 * WMM AC parameters, in same order as 802.1D, i.e.
384	 * 0 = BE (best effort)
385	 * 1 = BK (background)
386	 * 2 = VI (video)
387	 * 3 = VO (voice)
388	 */
389	struct hostapd_wmm_ac_params wmm_ac_params[4];
390
391	int ht_op_mode_fixed;
392	u16 ht_capab;
393	int ieee80211n;
394	int secondary_channel;
395	int require_ht;
396};
397
398
399int hostapd_mac_comp(const void *a, const void *b);
400int hostapd_mac_comp_empty(const void *a);
401struct hostapd_config * hostapd_config_defaults(void);
402void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
403void hostapd_config_free(struct hostapd_config *conf);
404int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
405			  const u8 *addr, int *vlan_id);
406int hostapd_rate_found(int *list, int rate);
407int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
408			struct hostapd_wep_keys *b);
409const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
410			   const u8 *addr, const u8 *prev_psk);
411int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
412const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
413					int vlan_id);
414const struct hostapd_eap_user *
415hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
416		     size_t identity_len, int phase2);
417
418#endif /* HOSTAPD_CONFIG_H */
419