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1/*
2 * hostapd / Configuration file
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
71b6ae14 4 * Copyright (c) 2007-2008, Intel Corporation
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5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Alternatively, this software may be distributed under the terms of BSD
11 * license.
12 *
13 * See README and COPYING for more details.
14 */
15
16#ifndef CONFIG_H
17#define CONFIG_H
18
19#include "defs.h"
20#include "ip_addr.h"
21#include "wpa_common.h"
22
23#ifndef IFNAMSIZ
24#define IFNAMSIZ 16
25#endif
26
27typedef u8 macaddr[ETH_ALEN];
28
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29struct mac_acl_entry {
30 macaddr addr;
31 int vlan_id;
32};
33
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34struct hostapd_radius_servers;
35struct ft_remote_r0kh;
36struct ft_remote_r1kh;
37
38#define HOSTAPD_MAX_SSID_LEN 32
39
40#define NUM_WEP_KEYS 4
41struct hostapd_wep_keys {
42 u8 idx;
43 u8 *key[NUM_WEP_KEYS];
44 size_t len[NUM_WEP_KEYS];
45 int keys_set;
46 size_t default_len; /* key length used for dynamic key generation */
47};
48
49typedef enum hostap_security_policy {
50 SECURITY_PLAINTEXT = 0,
51 SECURITY_STATIC_WEP = 1,
52 SECURITY_IEEE_802_1X = 2,
53 SECURITY_WPA_PSK = 3,
54 SECURITY_WPA = 4
55} secpolicy;
56
57struct hostapd_ssid {
58 char ssid[HOSTAPD_MAX_SSID_LEN + 1];
59 size_t ssid_len;
60 int ssid_set;
61
62 char vlan[IFNAMSIZ + 1];
63 secpolicy security_policy;
64
65 struct hostapd_wpa_psk *wpa_psk;
66 char *wpa_passphrase;
67 char *wpa_psk_file;
68
69 struct hostapd_wep_keys wep;
70
71#define DYNAMIC_VLAN_DISABLED 0
72#define DYNAMIC_VLAN_OPTIONAL 1
73#define DYNAMIC_VLAN_REQUIRED 2
74 int dynamic_vlan;
75#ifdef CONFIG_FULL_DYNAMIC_VLAN
76 char *vlan_tagged_interface;
77#endif /* CONFIG_FULL_DYNAMIC_VLAN */
78 struct hostapd_wep_keys **dyn_vlan_keys;
79 size_t max_dyn_vlan_keys;
80};
81
82
83#define VLAN_ID_WILDCARD -1
84
85struct hostapd_vlan {
86 struct hostapd_vlan *next;
87 int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
88 char ifname[IFNAMSIZ + 1];
89 int dynamic_vlan;
90#ifdef CONFIG_FULL_DYNAMIC_VLAN
91
92#define DVLAN_CLEAN_BR 0x1
93#define DVLAN_CLEAN_VLAN 0x2
94#define DVLAN_CLEAN_VLAN_PORT 0x4
95#define DVLAN_CLEAN_WLAN_PORT 0x8
96 int clean;
97#endif /* CONFIG_FULL_DYNAMIC_VLAN */
98};
99
100#define PMK_LEN 32
101struct hostapd_wpa_psk {
102 struct hostapd_wpa_psk *next;
103 int group;
104 u8 psk[PMK_LEN];
105 u8 addr[ETH_ALEN];
106};
107
108#define EAP_USER_MAX_METHODS 8
109struct hostapd_eap_user {
110 struct hostapd_eap_user *next;
111 u8 *identity;
112 size_t identity_len;
113 struct {
114 int vendor;
115 u32 method;
116 } methods[EAP_USER_MAX_METHODS];
117 u8 *password;
118 size_t password_len;
119 int phase2;
120 int force_version;
121 unsigned int wildcard_prefix:1;
122 unsigned int password_hash:1; /* whether password is hashed with
123 * nt_password_hash() */
124 int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
125};
126
127
128#define NUM_TX_QUEUES 8
129
130struct hostapd_tx_queue_params {
131 int aifs;
132 int cwmin;
133 int cwmax;
134 int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
135 int configured;
136};
137
138struct hostapd_wme_ac_params {
139 int cwmin;
140 int cwmax;
141 int aifs;
142 int txopLimit; /* in units of 32us */
143 int admission_control_mandatory;
144};
145
146
147/**
148 * struct hostapd_bss_config - Per-BSS configuration
149 */
150struct hostapd_bss_config {
151 char iface[IFNAMSIZ + 1];
152 char bridge[IFNAMSIZ + 1];
153
154 enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
155
156 unsigned int logger_syslog; /* module bitfield */
157 unsigned int logger_stdout; /* module bitfield */
158
159 char *dump_log_name; /* file name for state dump (SIGUSR1) */
160
161 int max_num_sta; /* maximum number of STAs in station table */
162
163 int dtim_period;
164
165 int ieee802_1x; /* use IEEE 802.1X */
166 int eapol_version;
167 int eap_server; /* Use internal EAP server instead of external
168 * RADIUS server */
169 struct hostapd_eap_user *eap_user;
170 char *eap_sim_db;
171 struct hostapd_ip_addr own_ip_addr;
172 char *nas_identifier;
173 struct hostapd_radius_servers *radius;
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
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192 enum {
193 ACCEPT_UNLESS_DENIED = 0,
194 DENY_UNLESS_ACCEPTED = 1,
195 USE_EXTERNAL_RADIUS_AUTH = 2
196 } macaddr_acl;
271d2830 197 struct mac_acl_entry *accept_mac;
6fc6879b 198 int num_accept_mac;
271d2830 199 struct mac_acl_entry *deny_mac;
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200 int num_deny_mac;
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 {
209 NO_IEEE80211W = 0,
210 IEEE80211W_OPTIONAL = 1,
211 IEEE80211W_REQUIRED = 2
212 } ieee80211w;
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213 /* dot11AssociationPingResponseTimeout (in TU) */
214 unsigned int assoc_ping_timeout;
215 /* dot11AssociationMaximumPingAttempts */
216 int assoc_ping_attempts;
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217#endif /* CONFIG_IEEE80211W */
218 int wpa_pairwise;
219 int wpa_group;
220 int wpa_group_rekey;
221 int wpa_strict_rekey;
222 int wpa_gmk_rekey;
581a8cde 223 int wpa_ptk_rekey;
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224 int rsn_pairwise;
225 int rsn_preauth;
226 char *rsn_preauth_interfaces;
227 int peerkey;
228
229#ifdef CONFIG_IEEE80211R
230 /* IEEE 802.11r - Fast BSS Transition */
231 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
232 u8 r1_key_holder[FT_R1KH_ID_LEN];
233 u32 r0_key_lifetime;
234 u32 reassociation_deadline;
235 struct ft_remote_r0kh *r0kh_list;
236 struct ft_remote_r1kh *r1kh_list;
237 int pmk_r1_push;
238#endif /* CONFIG_IEEE80211R */
239
240 char *ctrl_interface; /* directory for UNIX domain sockets */
241 gid_t ctrl_interface_gid;
242 int ctrl_interface_gid_set;
243
244 char *ca_cert;
245 char *server_cert;
246 char *private_key;
247 char *private_key_passwd;
248 int check_crl;
249 char *dh_file;
250 u8 *pac_opaque_encr_key;
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251 u8 *eap_fast_a_id;
252 size_t eap_fast_a_id_len;
253 char *eap_fast_a_id_info;
378eae5e 254 int eap_fast_prov;
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255 int pac_key_lifetime;
256 int pac_key_refresh_time;
6fc6879b 257 int eap_sim_aka_result_ind;
da08a7c7 258 int tnc;
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259
260 char *radius_server_clients;
261 int radius_server_auth_port;
262 int radius_server_ipv6;
263
264 char *test_socket; /* UNIX domain socket path for driver_test */
265
266 int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
267 * address instead of individual address
268 * (for driver_wired.c).
269 */
270
271 int ap_max_inactivity;
272 int ignore_broadcast_ssid;
273
274 int wme_enabled;
275
276 struct hostapd_vlan *vlan, *vlan_tail;
277
278 macaddr bssid;
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279
280 /*
281 * Maximum listen interval that STAs can use when associating with this
282 * BSS. If a STA tries to use larger value, the association will be
283 * denied with status code 51.
284 */
285 u16 max_listen_interval;
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286
287 int okc; /* Opportunistic Key Caching */
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288};
289
290
291typedef enum {
292 HOSTAPD_MODE_IEEE80211B,
293 HOSTAPD_MODE_IEEE80211G,
294 HOSTAPD_MODE_IEEE80211A,
295 NUM_HOSTAPD_MODES
296} hostapd_hw_mode;
297
298
299/**
300 * struct hostapd_config - Per-radio interface configuration
301 */
302struct hostapd_config {
303 struct hostapd_bss_config *bss, *last_bss;
304 struct hostapd_radius_servers *radius;
305 size_t num_bss;
306
307 u16 beacon_int;
308 int rts_threshold;
309 int fragm_threshold;
310 u8 send_probe_response;
311 u8 channel;
312 hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
313 enum {
314 LONG_PREAMBLE = 0,
315 SHORT_PREAMBLE = 1
316 } preamble;
317 enum {
318 CTS_PROTECTION_AUTOMATIC = 0,
319 CTS_PROTECTION_FORCE_ENABLED = 1,
320 CTS_PROTECTION_FORCE_DISABLED = 2,
321 CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
322 } cts_protection_type;
323
324 int *supported_rates;
325 int *basic_rates;
326
327 const struct wpa_driver_ops *driver;
328
329 int passive_scan_interval; /* seconds, 0 = disabled */
330 int passive_scan_listen; /* usec */
331 int passive_scan_mode;
332 int ap_table_max_size;
333 int ap_table_expiration_time;
334
335 char country[3]; /* first two octets: country code as described in
336 * ISO/IEC 3166-1. Third octet:
337 * ' ' (ascii 32): all environments
338 * 'O': Outdoor environemnt only
339 * 'I': Indoor environment only
340 */
341
342 int ieee80211d;
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343
344 struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
345
346 /*
347 * WME AC parameters, in same order as 802.1D, i.e.
348 * 0 = BE (best effort)
349 * 1 = BK (background)
350 * 2 = VI (video)
351 * 3 = VO (voice)
352 */
353 struct hostapd_wme_ac_params wme_ac_params[4];
354
355 enum {
356 INTERNAL_BRIDGE_DO_NOT_CONTROL = -1,
357 INTERNAL_BRIDGE_DISABLED = 0,
358 INTERNAL_BRIDGE_ENABLED = 1
359 } bridge_packets;
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360
361#ifdef CONFIG_IEEE80211N
362 int ieee80211n;
363 int ht_op_mode_fixed;
364 u16 ht_capab;
365#endif /* CONFIG_IEEE80211N */
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366};
367
368
369int hostapd_mac_comp(const void *a, const void *b);
370int hostapd_mac_comp_empty(const void *a);
371struct hostapd_config * hostapd_config_read(const char *fname);
372void hostapd_config_free(struct hostapd_config *conf);
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373int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
374 const u8 *addr, int *vlan_id);
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375int hostapd_rate_found(int *list, int rate);
376int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
377 struct hostapd_wep_keys *b);
378const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
379 const u8 *addr, const u8 *prev_psk);
380int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
381const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
382 int vlan_id);
383const struct hostapd_eap_user *
384hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
385 size_t identity_len, int phase2);
386
387#endif /* CONFIG_H */