]>
Commit | Line | Data |
---|---|---|
6fc6879b | 1 | /* |
41d719d6 | 2 | * hostapd / Configuration helper functions |
08081ad8 | 3 | * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
6226e38d | 9 | #include "utils/includes.h" |
6fc6879b | 10 | |
6226e38d | 11 | #include "utils/common.h" |
03da66bd | 12 | #include "crypto/sha1.h" |
6fc6879b | 13 | #include "radius/radius_client.h" |
df84268a | 14 | #include "common/ieee802_11_defs.h" |
41d719d6 | 15 | #include "common/eapol_common.h" |
03da66bd JM |
16 | #include "eap_common/eap_wsc_common.h" |
17 | #include "eap_server/eap.h" | |
6226e38d | 18 | #include "wpa_auth.h" |
97234b50 | 19 | #include "sta_info.h" |
6226e38d | 20 | #include "ap_config.h" |
6fc6879b JM |
21 | |
22 | ||
6fc6879b JM |
23 | static void hostapd_config_free_vlan(struct hostapd_bss_config *bss) |
24 | { | |
25 | struct hostapd_vlan *vlan, *prev; | |
26 | ||
27 | vlan = bss->vlan; | |
28 | prev = NULL; | |
29 | while (vlan) { | |
30 | prev = vlan; | |
31 | vlan = vlan->next; | |
32 | os_free(prev); | |
33 | } | |
34 | ||
35 | bss->vlan = NULL; | |
36 | } | |
37 | ||
38 | ||
41d719d6 | 39 | void hostapd_config_defaults_bss(struct hostapd_bss_config *bss) |
6fc6879b JM |
40 | { |
41 | bss->logger_syslog_level = HOSTAPD_LEVEL_INFO; | |
42 | bss->logger_stdout_level = HOSTAPD_LEVEL_INFO; | |
43 | bss->logger_syslog = (unsigned int) -1; | |
44 | bss->logger_stdout = (unsigned int) -1; | |
45 | ||
46 | bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED; | |
47 | ||
48 | bss->wep_rekeying_period = 300; | |
49 | /* use key0 in individual key and key1 in broadcast key */ | |
50 | bss->broadcast_key_idx_min = 1; | |
51 | bss->broadcast_key_idx_max = 2; | |
52 | bss->eap_reauth_period = 3600; | |
53 | ||
54 | bss->wpa_group_rekey = 600; | |
55 | bss->wpa_gmk_rekey = 86400; | |
56 | bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; | |
57 | bss->wpa_pairwise = WPA_CIPHER_TKIP; | |
58 | bss->wpa_group = WPA_CIPHER_TKIP; | |
59 | bss->rsn_pairwise = 0; | |
60 | ||
61 | bss->max_num_sta = MAX_STA_COUNT; | |
62 | ||
63 | bss->dtim_period = 2; | |
64 | ||
65 | bss->radius_server_auth_port = 1812; | |
66 | bss->ap_max_inactivity = AP_MAX_INACTIVITY; | |
67 | bss->eapol_version = EAPOL_VERSION; | |
b0194fe0 JM |
68 | |
69 | bss->max_listen_interval = 65535; | |
5d22a1d5 | 70 | |
df684d82 DH |
71 | bss->pwd_group = 19; /* ECC: GF(p=256) */ |
72 | ||
5d22a1d5 | 73 | #ifdef CONFIG_IEEE80211W |
45c94154 JM |
74 | bss->assoc_sa_query_max_timeout = 1000; |
75 | bss->assoc_sa_query_retry_timeout = 201; | |
5d22a1d5 | 76 | #endif /* CONFIG_IEEE80211W */ |
1e5839e0 | 77 | #ifdef EAP_SERVER_FAST |
378eae5e JM |
78 | /* both anonymous and authenticated provisioning */ |
79 | bss->eap_fast_prov = 3; | |
a11c90a6 JM |
80 | bss->pac_key_lifetime = 7 * 24 * 60 * 60; |
81 | bss->pac_key_refresh_time = 1 * 24 * 60 * 60; | |
1e5839e0 | 82 | #endif /* EAP_SERVER_FAST */ |
d2da2249 JB |
83 | |
84 | /* Set to -1 as defaults depends on HT in setup */ | |
85 | bss->wmm_enabled = -1; | |
d7956add SP |
86 | |
87 | #ifdef CONFIG_IEEE80211R | |
88 | bss->ft_over_ds = 1; | |
89 | #endif /* CONFIG_IEEE80211R */ | |
bde7ba6c JM |
90 | |
91 | bss->radius_das_time_window = 300; | |
d136c376 JM |
92 | |
93 | bss->sae_anti_clogging_threshold = 5; | |
6fc6879b JM |
94 | } |
95 | ||
96 | ||
89111f3b | 97 | struct hostapd_config * hostapd_config_defaults(void) |
6fc6879b | 98 | { |
d2da2249 JB |
99 | #define ecw2cw(ecw) ((1 << (ecw)) - 1) |
100 | ||
6fc6879b JM |
101 | struct hostapd_config *conf; |
102 | struct hostapd_bss_config *bss; | |
594cf8b9 | 103 | const int aCWmin = 4, aCWmax = 10; |
3ae0800c | 104 | const struct hostapd_wmm_ac_params ac_bk = |
6fc6879b | 105 | { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ |
3ae0800c | 106 | const struct hostapd_wmm_ac_params ac_be = |
6fc6879b | 107 | { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ |
3ae0800c | 108 | const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ |
623ecdd5 | 109 | { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 }; |
3ae0800c | 110 | const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ |
623ecdd5 | 111 | { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 }; |
d2da2249 JB |
112 | const struct hostapd_tx_queue_params txq_bk = |
113 | { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 }; | |
114 | const struct hostapd_tx_queue_params txq_be = | |
115 | { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0}; | |
116 | const struct hostapd_tx_queue_params txq_vi = | |
117 | { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30}; | |
118 | const struct hostapd_tx_queue_params txq_vo = | |
119 | { 1, (ecw2cw(aCWmin) + 1) / 4 - 1, | |
120 | (ecw2cw(aCWmin) + 1) / 2 - 1, 15}; | |
121 | ||
122 | #undef ecw2cw | |
6fc6879b JM |
123 | |
124 | conf = os_zalloc(sizeof(*conf)); | |
125 | bss = os_zalloc(sizeof(*bss)); | |
126 | if (conf == NULL || bss == NULL) { | |
10656fc2 JM |
127 | wpa_printf(MSG_ERROR, "Failed to allocate memory for " |
128 | "configuration data."); | |
6fc6879b JM |
129 | os_free(conf); |
130 | os_free(bss); | |
131 | return NULL; | |
132 | } | |
ebd79f07 JM |
133 | conf->bss = os_calloc(1, sizeof(struct hostapd_bss_config *)); |
134 | if (conf->bss == NULL) { | |
135 | os_free(conf); | |
136 | os_free(bss); | |
137 | return NULL; | |
138 | } | |
139 | conf->bss[0] = bss; | |
6fc6879b | 140 | |
6fc6879b JM |
141 | bss->radius = os_zalloc(sizeof(*bss->radius)); |
142 | if (bss->radius == NULL) { | |
04c366cb | 143 | os_free(conf->bss); |
6fc6879b JM |
144 | os_free(conf); |
145 | os_free(bss); | |
146 | return NULL; | |
147 | } | |
148 | ||
149 | hostapd_config_defaults_bss(bss); | |
150 | ||
151 | conf->num_bss = 1; | |
6fc6879b JM |
152 | |
153 | conf->beacon_int = 100; | |
154 | conf->rts_threshold = -1; /* use driver default: 2347 */ | |
155 | conf->fragm_threshold = -1; /* user driver default: 2346 */ | |
156 | conf->send_probe_response = 1; | |
e0392f82 S |
157 | /* Set to invalid value means do not add Power Constraint IE */ |
158 | conf->local_pwr_constraint = -1; | |
6fc6879b | 159 | |
3ae0800c JM |
160 | conf->wmm_ac_params[0] = ac_be; |
161 | conf->wmm_ac_params[1] = ac_bk; | |
162 | conf->wmm_ac_params[2] = ac_vi; | |
163 | conf->wmm_ac_params[3] = ac_vo; | |
6fc6879b | 164 | |
d2da2249 JB |
165 | conf->tx_queue[0] = txq_vo; |
166 | conf->tx_queue[1] = txq_vi; | |
167 | conf->tx_queue[2] = txq_be; | |
168 | conf->tx_queue[3] = txq_bk; | |
169 | ||
fc14f567 | 170 | conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED; |
de9289c8 | 171 | |
f1b44874 SE |
172 | conf->ap_table_max_size = 255; |
173 | conf->ap_table_expiration_time = 60; | |
174 | ||
c2aff6b1 JB |
175 | #ifdef CONFIG_TESTING_OPTIONS |
176 | conf->ignore_probe_probability = 0.0d; | |
177 | conf->ignore_auth_probability = 0.0d; | |
178 | conf->ignore_assoc_probability = 0.0d; | |
179 | conf->ignore_reassoc_probability = 0.0d; | |
7af092a0 | 180 | conf->corrupt_gtk_rekey_mic_probability = 0.0d; |
c2aff6b1 JB |
181 | #endif /* CONFIG_TESTING_OPTIONS */ |
182 | ||
50f4f2a0 MK |
183 | #ifdef CONFIG_ACS |
184 | conf->acs_num_scans = 5; | |
185 | #endif /* CONFIG_ACS */ | |
186 | ||
6fc6879b JM |
187 | return conf; |
188 | } | |
189 | ||
190 | ||
191 | int hostapd_mac_comp(const void *a, const void *b) | |
192 | { | |
193 | return os_memcmp(a, b, sizeof(macaddr)); | |
194 | } | |
195 | ||
196 | ||
197 | int hostapd_mac_comp_empty(const void *a) | |
198 | { | |
199 | macaddr empty = { 0 }; | |
200 | return os_memcmp(a, empty, sizeof(macaddr)); | |
201 | } | |
202 | ||
203 | ||
6fc6879b JM |
204 | static int hostapd_config_read_wpa_psk(const char *fname, |
205 | struct hostapd_ssid *ssid) | |
206 | { | |
207 | FILE *f; | |
208 | char buf[128], *pos; | |
209 | int line = 0, ret = 0, len, ok; | |
210 | u8 addr[ETH_ALEN]; | |
211 | struct hostapd_wpa_psk *psk; | |
212 | ||
213 | if (!fname) | |
214 | return 0; | |
215 | ||
216 | f = fopen(fname, "r"); | |
217 | if (!f) { | |
10656fc2 | 218 | wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname); |
6fc6879b JM |
219 | return -1; |
220 | } | |
221 | ||
222 | while (fgets(buf, sizeof(buf), f)) { | |
223 | line++; | |
224 | ||
225 | if (buf[0] == '#') | |
226 | continue; | |
227 | pos = buf; | |
228 | while (*pos != '\0') { | |
229 | if (*pos == '\n') { | |
230 | *pos = '\0'; | |
231 | break; | |
232 | } | |
233 | pos++; | |
234 | } | |
235 | if (buf[0] == '\0') | |
236 | continue; | |
237 | ||
238 | if (hwaddr_aton(buf, addr)) { | |
10656fc2 JM |
239 | wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on " |
240 | "line %d in '%s'", buf, line, fname); | |
6fc6879b JM |
241 | ret = -1; |
242 | break; | |
243 | } | |
244 | ||
245 | psk = os_zalloc(sizeof(*psk)); | |
246 | if (psk == NULL) { | |
10656fc2 | 247 | wpa_printf(MSG_ERROR, "WPA PSK allocation failed"); |
6fc6879b JM |
248 | ret = -1; |
249 | break; | |
250 | } | |
a8e16edc | 251 | if (is_zero_ether_addr(addr)) |
6fc6879b JM |
252 | psk->group = 1; |
253 | else | |
254 | os_memcpy(psk->addr, addr, ETH_ALEN); | |
255 | ||
256 | pos = buf + 17; | |
5306f43f | 257 | if (*pos == '\0') { |
10656fc2 JM |
258 | wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'", |
259 | line, fname); | |
6fc6879b JM |
260 | os_free(psk); |
261 | ret = -1; | |
262 | break; | |
263 | } | |
264 | pos++; | |
265 | ||
266 | ok = 0; | |
267 | len = os_strlen(pos); | |
268 | if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0) | |
269 | ok = 1; | |
270 | else if (len >= 8 && len < 64) { | |
271 | pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len, | |
272 | 4096, psk->psk, PMK_LEN); | |
273 | ok = 1; | |
274 | } | |
275 | if (!ok) { | |
10656fc2 JM |
276 | wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in " |
277 | "'%s'", pos, line, fname); | |
6fc6879b JM |
278 | os_free(psk); |
279 | ret = -1; | |
280 | break; | |
281 | } | |
282 | ||
283 | psk->next = ssid->wpa_psk; | |
284 | ssid->wpa_psk = psk; | |
285 | } | |
286 | ||
287 | fclose(f); | |
288 | ||
289 | return ret; | |
290 | } | |
291 | ||
292 | ||
0ae687bd JM |
293 | static int hostapd_derive_psk(struct hostapd_ssid *ssid) |
294 | { | |
295 | ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); | |
296 | if (ssid->wpa_psk == NULL) { | |
297 | wpa_printf(MSG_ERROR, "Unable to alloc space for PSK"); | |
298 | return -1; | |
299 | } | |
300 | wpa_hexdump_ascii(MSG_DEBUG, "SSID", | |
301 | (u8 *) ssid->ssid, ssid->ssid_len); | |
302 | wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)", | |
303 | (u8 *) ssid->wpa_passphrase, | |
304 | os_strlen(ssid->wpa_passphrase)); | |
305 | pbkdf2_sha1(ssid->wpa_passphrase, | |
306 | ssid->ssid, ssid->ssid_len, | |
307 | 4096, ssid->wpa_psk->psk, PMK_LEN); | |
308 | wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)", | |
309 | ssid->wpa_psk->psk, PMK_LEN); | |
310 | return 0; | |
311 | } | |
312 | ||
313 | ||
6fc6879b JM |
314 | int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf) |
315 | { | |
316 | struct hostapd_ssid *ssid = &conf->ssid; | |
317 | ||
318 | if (ssid->wpa_passphrase != NULL) { | |
319 | if (ssid->wpa_psk != NULL) { | |
0ae687bd JM |
320 | wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK " |
321 | "instead of passphrase"); | |
322 | } else { | |
323 | wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on " | |
324 | "passphrase"); | |
325 | if (hostapd_derive_psk(ssid) < 0) | |
326 | return -1; | |
6fc6879b | 327 | } |
6fc6879b | 328 | ssid->wpa_psk->group = 1; |
6fc6879b JM |
329 | } |
330 | ||
331 | if (ssid->wpa_psk_file) { | |
332 | if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file, | |
333 | &conf->ssid)) | |
334 | return -1; | |
335 | } | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
340 | ||
6fc6879b JM |
341 | int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b) |
342 | { | |
343 | int i; | |
344 | ||
345 | if (a->idx != b->idx || a->default_len != b->default_len) | |
346 | return 1; | |
347 | for (i = 0; i < NUM_WEP_KEYS; i++) | |
348 | if (a->len[i] != b->len[i] || | |
349 | os_memcmp(a->key[i], b->key[i], a->len[i]) != 0) | |
350 | return 1; | |
351 | return 0; | |
352 | } | |
353 | ||
354 | ||
355 | static void hostapd_config_free_radius(struct hostapd_radius_server *servers, | |
356 | int num_servers) | |
357 | { | |
358 | int i; | |
359 | ||
360 | for (i = 0; i < num_servers; i++) { | |
361 | os_free(servers[i].shared_secret); | |
362 | } | |
363 | os_free(servers); | |
364 | } | |
365 | ||
366 | ||
af35e7af JM |
367 | struct hostapd_radius_attr * |
368 | hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type) | |
369 | { | |
370 | for (; attr; attr = attr->next) { | |
371 | if (attr->type == type) | |
372 | return attr; | |
373 | } | |
374 | return NULL; | |
375 | } | |
376 | ||
377 | ||
378 | static void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr) | |
379 | { | |
380 | struct hostapd_radius_attr *prev; | |
381 | ||
382 | while (attr) { | |
383 | prev = attr; | |
384 | attr = attr->next; | |
385 | wpabuf_free(prev->val); | |
386 | os_free(prev); | |
387 | } | |
388 | } | |
389 | ||
390 | ||
6fc6879b JM |
391 | static void hostapd_config_free_eap_user(struct hostapd_eap_user *user) |
392 | { | |
393 | os_free(user->identity); | |
394 | os_free(user->password); | |
395 | os_free(user); | |
396 | } | |
397 | ||
398 | ||
399 | static void hostapd_config_free_wep(struct hostapd_wep_keys *keys) | |
400 | { | |
401 | int i; | |
402 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
403 | os_free(keys->key[i]); | |
404 | keys->key[i] = NULL; | |
405 | } | |
406 | } | |
407 | ||
408 | ||
55920658 | 409 | void hostapd_config_free_bss(struct hostapd_bss_config *conf) |
6fc6879b JM |
410 | { |
411 | struct hostapd_wpa_psk *psk, *prev; | |
412 | struct hostapd_eap_user *user, *prev_user; | |
413 | ||
414 | if (conf == NULL) | |
415 | return; | |
416 | ||
417 | psk = conf->ssid.wpa_psk; | |
418 | while (psk) { | |
419 | prev = psk; | |
420 | psk = psk->next; | |
421 | os_free(prev); | |
422 | } | |
423 | ||
424 | os_free(conf->ssid.wpa_passphrase); | |
425 | os_free(conf->ssid.wpa_psk_file); | |
43dd46b3 | 426 | hostapd_config_free_wep(&conf->ssid.wep); |
6fc6879b JM |
427 | #ifdef CONFIG_FULL_DYNAMIC_VLAN |
428 | os_free(conf->ssid.vlan_tagged_interface); | |
429 | #endif /* CONFIG_FULL_DYNAMIC_VLAN */ | |
430 | ||
431 | user = conf->eap_user; | |
432 | while (user) { | |
433 | prev_user = user; | |
434 | user = user->next; | |
435 | hostapd_config_free_eap_user(prev_user); | |
436 | } | |
ee431d77 | 437 | os_free(conf->eap_user_sqlite); |
6fc6879b | 438 | |
6fc6879b JM |
439 | os_free(conf->eap_req_id_text); |
440 | os_free(conf->accept_mac); | |
441 | os_free(conf->deny_mac); | |
442 | os_free(conf->nas_identifier); | |
5afaa067 JM |
443 | if (conf->radius) { |
444 | hostapd_config_free_radius(conf->radius->auth_servers, | |
445 | conf->radius->num_auth_servers); | |
446 | hostapd_config_free_radius(conf->radius->acct_servers, | |
447 | conf->radius->num_acct_servers); | |
448 | } | |
af35e7af JM |
449 | hostapd_config_free_radius_attr(conf->radius_auth_req_attr); |
450 | hostapd_config_free_radius_attr(conf->radius_acct_req_attr); | |
6fc6879b JM |
451 | os_free(conf->rsn_preauth_interfaces); |
452 | os_free(conf->ctrl_interface); | |
453 | os_free(conf->ca_cert); | |
454 | os_free(conf->server_cert); | |
455 | os_free(conf->private_key); | |
456 | os_free(conf->private_key_passwd); | |
080585c0 | 457 | os_free(conf->ocsp_stapling_response); |
6fc6879b JM |
458 | os_free(conf->dh_file); |
459 | os_free(conf->pac_opaque_encr_key); | |
460 | os_free(conf->eap_fast_a_id); | |
2d867244 | 461 | os_free(conf->eap_fast_a_id_info); |
6fc6879b JM |
462 | os_free(conf->eap_sim_db); |
463 | os_free(conf->radius_server_clients); | |
464 | os_free(conf->test_socket); | |
465 | os_free(conf->radius); | |
b031338c | 466 | os_free(conf->radius_das_shared_secret); |
6fc6879b | 467 | hostapd_config_free_vlan(conf); |
39b97072 JM |
468 | os_free(conf->time_zone); |
469 | ||
6fc6879b JM |
470 | #ifdef CONFIG_IEEE80211R |
471 | { | |
472 | struct ft_remote_r0kh *r0kh, *r0kh_prev; | |
473 | struct ft_remote_r1kh *r1kh, *r1kh_prev; | |
474 | ||
475 | r0kh = conf->r0kh_list; | |
476 | conf->r0kh_list = NULL; | |
477 | while (r0kh) { | |
478 | r0kh_prev = r0kh; | |
479 | r0kh = r0kh->next; | |
480 | os_free(r0kh_prev); | |
481 | } | |
482 | ||
483 | r1kh = conf->r1kh_list; | |
484 | conf->r1kh_list = NULL; | |
485 | while (r1kh) { | |
486 | r1kh_prev = r1kh; | |
487 | r1kh = r1kh->next; | |
488 | os_free(r1kh_prev); | |
489 | } | |
490 | } | |
491 | #endif /* CONFIG_IEEE80211R */ | |
ad08c363 JM |
492 | |
493 | #ifdef CONFIG_WPS | |
494 | os_free(conf->wps_pin_requests); | |
495 | os_free(conf->device_name); | |
496 | os_free(conf->manufacturer); | |
497 | os_free(conf->model_name); | |
498 | os_free(conf->model_number); | |
499 | os_free(conf->serial_number); | |
ad08c363 JM |
500 | os_free(conf->config_methods); |
501 | os_free(conf->ap_pin); | |
62966253 | 502 | os_free(conf->extra_cred); |
4c29cae9 | 503 | os_free(conf->ap_settings); |
f620268f JM |
504 | os_free(conf->upnp_iface); |
505 | os_free(conf->friendly_name); | |
506 | os_free(conf->manufacturer_url); | |
507 | os_free(conf->model_description); | |
508 | os_free(conf->model_url); | |
509 | os_free(conf->upc); | |
ffdaa05a JM |
510 | wpabuf_free(conf->wps_nfc_dh_pubkey); |
511 | wpabuf_free(conf->wps_nfc_dh_privkey); | |
512 | wpabuf_free(conf->wps_nfc_dev_pw); | |
ad08c363 | 513 | #endif /* CONFIG_WPS */ |
4b2a77ab JM |
514 | |
515 | os_free(conf->roaming_consortium); | |
648cc711 | 516 | os_free(conf->venue_name); |
8047b186 | 517 | os_free(conf->nai_realm_data); |
550a3958 | 518 | os_free(conf->network_auth_type); |
7515adb2 | 519 | os_free(conf->anqp_3gpp_cell_net); |
26fac8b6 | 520 | os_free(conf->domain_name); |
505a3694 JM |
521 | |
522 | #ifdef CONFIG_RADIUS_TEST | |
523 | os_free(conf->dump_msk_file); | |
524 | #endif /* CONFIG_RADIUS_TEST */ | |
df5934f1 JK |
525 | |
526 | #ifdef CONFIG_HS20 | |
a9277e85 | 527 | os_free(conf->hs20_oper_friendly_name); |
4065a309 | 528 | os_free(conf->hs20_wan_metrics); |
5ccc54aa | 529 | os_free(conf->hs20_connection_capability); |
df5934f1 | 530 | os_free(conf->hs20_operating_class); |
f7bd7a01 | 531 | os_free(conf->hs20_icons); |
ae6d15c7 JM |
532 | if (conf->hs20_osu_providers) { |
533 | size_t i; | |
534 | for (i = 0; i < conf->hs20_osu_providers_count; i++) { | |
535 | struct hs20_osu_provider *p; | |
536 | size_t j; | |
537 | p = &conf->hs20_osu_providers[i]; | |
538 | os_free(p->friendly_name); | |
539 | os_free(p->server_uri); | |
540 | os_free(p->method_list); | |
541 | for (j = 0; j < p->icons_count; j++) | |
542 | os_free(p->icons[j]); | |
543 | os_free(p->icons); | |
544 | os_free(p->osu_nai); | |
545 | os_free(p->service_desc); | |
546 | } | |
547 | os_free(conf->hs20_osu_providers); | |
548 | } | |
df5934f1 | 549 | #endif /* CONFIG_HS20 */ |
b52f084c JM |
550 | |
551 | wpabuf_free(conf->vendor_elements); | |
625f202a JM |
552 | |
553 | os_free(conf->sae_groups); | |
67fe933d JM |
554 | |
555 | os_free(conf->server_id); | |
ebd79f07 JM |
556 | |
557 | os_free(conf); | |
6fc6879b JM |
558 | } |
559 | ||
560 | ||
1c6e69cc JM |
561 | /** |
562 | * hostapd_config_free - Free hostapd configuration | |
563 | * @conf: Configuration data from hostapd_config_read(). | |
564 | */ | |
6fc6879b JM |
565 | void hostapd_config_free(struct hostapd_config *conf) |
566 | { | |
567 | size_t i; | |
568 | ||
569 | if (conf == NULL) | |
570 | return; | |
571 | ||
572 | for (i = 0; i < conf->num_bss; i++) | |
ebd79f07 | 573 | hostapd_config_free_bss(conf->bss[i]); |
6fc6879b | 574 | os_free(conf->bss); |
79d6c85f JM |
575 | os_free(conf->supported_rates); |
576 | os_free(conf->basic_rates); | |
6fc6879b JM |
577 | |
578 | os_free(conf); | |
579 | } | |
580 | ||
581 | ||
1c6e69cc JM |
582 | /** |
583 | * hostapd_maclist_found - Find a MAC address from a list | |
584 | * @list: MAC address list | |
585 | * @num_entries: Number of addresses in the list | |
586 | * @addr: Address to search for | |
587 | * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed | |
588 | * Returns: 1 if address is in the list or 0 if not. | |
589 | * | |
590 | * Perform a binary search for given MAC address from a pre-sorted list. | |
591 | */ | |
271d2830 JM |
592 | int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries, |
593 | const u8 *addr, int *vlan_id) | |
6fc6879b JM |
594 | { |
595 | int start, end, middle, res; | |
596 | ||
597 | start = 0; | |
598 | end = num_entries - 1; | |
599 | ||
600 | while (start <= end) { | |
601 | middle = (start + end) / 2; | |
271d2830 JM |
602 | res = os_memcmp(list[middle].addr, addr, ETH_ALEN); |
603 | if (res == 0) { | |
604 | if (vlan_id) | |
605 | *vlan_id = list[middle].vlan_id; | |
6fc6879b | 606 | return 1; |
271d2830 | 607 | } |
6fc6879b JM |
608 | if (res < 0) |
609 | start = middle + 1; | |
610 | else | |
611 | end = middle - 1; | |
612 | } | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
617 | ||
618 | int hostapd_rate_found(int *list, int rate) | |
619 | { | |
620 | int i; | |
621 | ||
622 | if (list == NULL) | |
623 | return 0; | |
624 | ||
625 | for (i = 0; list[i] >= 0; i++) | |
626 | if (list[i] == rate) | |
627 | return 1; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | ||
80ebfd95 | 633 | int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id) |
6fc6879b JM |
634 | { |
635 | struct hostapd_vlan *v = vlan; | |
636 | while (v) { | |
637 | if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD) | |
80ebfd95 MB |
638 | return 1; |
639 | v = v->next; | |
640 | } | |
641 | return 0; | |
642 | } | |
643 | ||
644 | ||
645 | const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id) | |
646 | { | |
647 | struct hostapd_vlan *v = vlan; | |
648 | while (v) { | |
649 | if (v->vlan_id == vlan_id) | |
6fc6879b JM |
650 | return v->ifname; |
651 | v = v->next; | |
652 | } | |
653 | return NULL; | |
654 | } | |
655 | ||
656 | ||
657 | const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, | |
759fd76b JM |
658 | const u8 *addr, const u8 *p2p_dev_addr, |
659 | const u8 *prev_psk) | |
6fc6879b JM |
660 | { |
661 | struct hostapd_wpa_psk *psk; | |
662 | int next_ok = prev_psk == NULL; | |
663 | ||
759fd76b JM |
664 | if (p2p_dev_addr) { |
665 | wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR | |
666 | " p2p_dev_addr=" MACSTR " prev_psk=%p", | |
667 | MAC2STR(addr), MAC2STR(p2p_dev_addr), prev_psk); | |
668 | if (!is_zero_ether_addr(p2p_dev_addr)) | |
669 | addr = NULL; /* Use P2P Device Address for matching */ | |
670 | } else { | |
671 | wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR | |
672 | " prev_psk=%p", | |
673 | MAC2STR(addr), prev_psk); | |
674 | } | |
675 | ||
6fc6879b JM |
676 | for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) { |
677 | if (next_ok && | |
759fd76b JM |
678 | (psk->group || |
679 | (addr && os_memcmp(psk->addr, addr, ETH_ALEN) == 0) || | |
680 | (!addr && p2p_dev_addr && | |
681 | os_memcmp(psk->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == | |
682 | 0))) | |
6fc6879b JM |
683 | return psk->psk; |
684 | ||
685 | if (psk->psk == prev_psk) | |
686 | next_ok = 1; | |
687 | } | |
688 | ||
689 | return NULL; | |
690 | } | |
eff0fd1e JM |
691 | |
692 | ||
693 | static int hostapd_config_check_bss(struct hostapd_bss_config *bss, | |
08081ad8 JM |
694 | struct hostapd_config *conf, |
695 | int full_config) | |
eff0fd1e | 696 | { |
08081ad8 | 697 | if (full_config && bss->ieee802_1x && !bss->eap_server && |
eff0fd1e JM |
698 | !bss->radius->auth_servers) { |
699 | wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no " | |
700 | "EAP authenticator configured)."); | |
701 | return -1; | |
702 | } | |
703 | ||
704 | if (bss->wpa) { | |
705 | int wep, i; | |
706 | ||
707 | wep = bss->default_wep_key_len > 0 || | |
708 | bss->individual_wep_key_len > 0; | |
709 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
710 | if (bss->ssid.wep.keys_set) { | |
711 | wep = 1; | |
712 | break; | |
713 | } | |
714 | } | |
715 | ||
716 | if (wep) { | |
717 | wpa_printf(MSG_ERROR, "WEP configuration in a WPA network is not supported"); | |
718 | return -1; | |
719 | } | |
720 | } | |
721 | ||
08081ad8 JM |
722 | if (full_config && bss->wpa && |
723 | bss->wpa_psk_radius != PSK_RADIUS_IGNORED && | |
eff0fd1e JM |
724 | bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) { |
725 | wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no " | |
726 | "RADIUS checking (macaddr_acl=2) enabled."); | |
727 | return -1; | |
728 | } | |
729 | ||
08081ad8 | 730 | if (full_config && bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) && |
eff0fd1e JM |
731 | bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL && |
732 | bss->ssid.wpa_psk_file == NULL && | |
733 | (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED || | |
734 | bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) { | |
735 | wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase " | |
736 | "is not configured."); | |
737 | return -1; | |
738 | } | |
739 | ||
08081ad8 | 740 | if (full_config && hostapd_mac_comp_empty(bss->bssid) != 0) { |
eff0fd1e JM |
741 | size_t i; |
742 | ||
743 | for (i = 0; i < conf->num_bss; i++) { | |
744 | if (conf->bss[i] != bss && | |
745 | (hostapd_mac_comp(conf->bss[i]->bssid, | |
746 | bss->bssid) == 0)) { | |
747 | wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR | |
748 | " on interface '%s' and '%s'.", | |
749 | MAC2STR(bss->bssid), | |
750 | conf->bss[i]->iface, bss->iface); | |
751 | return -1; | |
752 | } | |
753 | } | |
754 | } | |
755 | ||
756 | #ifdef CONFIG_IEEE80211R | |
08081ad8 | 757 | if (full_config && wpa_key_mgmt_ft(bss->wpa_key_mgmt) && |
eff0fd1e JM |
758 | (bss->nas_identifier == NULL || |
759 | os_strlen(bss->nas_identifier) < 1 || | |
760 | os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) { | |
761 | wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires " | |
762 | "nas_identifier to be configured as a 1..48 octet " | |
763 | "string"); | |
764 | return -1; | |
765 | } | |
766 | #endif /* CONFIG_IEEE80211R */ | |
767 | ||
768 | #ifdef CONFIG_IEEE80211N | |
08081ad8 JM |
769 | if (full_config && conf->ieee80211n && |
770 | conf->hw_mode == HOSTAPD_MODE_IEEE80211B) { | |
eff0fd1e JM |
771 | bss->disable_11n = 1; |
772 | wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not " | |
773 | "allowed, disabling HT capabilites"); | |
774 | } | |
775 | ||
08081ad8 | 776 | if (full_config && conf->ieee80211n && |
eff0fd1e JM |
777 | bss->ssid.security_policy == SECURITY_STATIC_WEP) { |
778 | bss->disable_11n = 1; | |
779 | wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not " | |
780 | "allowed, disabling HT capabilities"); | |
781 | } | |
782 | ||
08081ad8 | 783 | if (full_config && conf->ieee80211n && bss->wpa && |
eff0fd1e | 784 | !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && |
30675c34 JM |
785 | !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | |
786 | WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256))) | |
787 | { | |
eff0fd1e JM |
788 | bss->disable_11n = 1; |
789 | wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 " | |
790 | "requires CCMP/GCMP to be enabled, disabling HT " | |
791 | "capabilities"); | |
792 | } | |
793 | #endif /* CONFIG_IEEE80211N */ | |
794 | ||
795 | #ifdef CONFIG_WPS2 | |
08081ad8 | 796 | if (full_config && bss->wps_state && bss->ignore_broadcast_ssid) { |
eff0fd1e JM |
797 | wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid " |
798 | "configuration forced WPS to be disabled"); | |
799 | bss->wps_state = 0; | |
800 | } | |
801 | ||
08081ad8 JM |
802 | if (full_config && bss->wps_state && |
803 | bss->ssid.wep.keys_set && bss->wpa == 0) { | |
eff0fd1e JM |
804 | wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be " |
805 | "disabled"); | |
806 | bss->wps_state = 0; | |
807 | } | |
808 | ||
08081ad8 | 809 | if (full_config && bss->wps_state && bss->wpa && |
eff0fd1e JM |
810 | (!(bss->wpa & 2) || |
811 | !(bss->rsn_pairwise & WPA_CIPHER_CCMP))) { | |
812 | wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without " | |
813 | "WPA2/CCMP forced WPS to be disabled"); | |
814 | bss->wps_state = 0; | |
815 | } | |
816 | #endif /* CONFIG_WPS2 */ | |
817 | ||
818 | #ifdef CONFIG_HS20 | |
08081ad8 | 819 | if (full_config && bss->hs20 && |
eff0fd1e | 820 | (!(bss->wpa & 2) || |
30675c34 JM |
821 | !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | |
822 | WPA_CIPHER_CCMP_256 | | |
823 | WPA_CIPHER_GCMP_256)))) { | |
eff0fd1e JM |
824 | wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP " |
825 | "configuration is required for Hotspot 2.0 " | |
826 | "functionality"); | |
827 | return -1; | |
828 | } | |
829 | #endif /* CONFIG_HS20 */ | |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
834 | ||
08081ad8 | 835 | int hostapd_config_check(struct hostapd_config *conf, int full_config) |
eff0fd1e JM |
836 | { |
837 | size_t i; | |
838 | ||
08081ad8 JM |
839 | if (full_config && conf->ieee80211d && |
840 | (!conf->country[0] || !conf->country[1])) { | |
eff0fd1e JM |
841 | wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without " |
842 | "setting the country_code"); | |
843 | return -1; | |
844 | } | |
845 | ||
08081ad8 | 846 | if (full_config && conf->ieee80211h && !conf->ieee80211d) { |
eff0fd1e JM |
847 | wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without " |
848 | "IEEE 802.11d enabled"); | |
849 | return -1; | |
850 | } | |
851 | ||
e0392f82 S |
852 | if (full_config && conf->local_pwr_constraint != -1 && |
853 | !conf->ieee80211d) { | |
854 | wpa_printf(MSG_ERROR, "Cannot add Power Constraint element without Country element"); | |
855 | return -1; | |
856 | } | |
857 | ||
3d7ad2f6 C |
858 | if (full_config && conf->spectrum_mgmt_required && |
859 | conf->local_pwr_constraint == -1) { | |
860 | wpa_printf(MSG_ERROR, "Cannot set Spectrum Management bit without Country and Power Constraint elements"); | |
861 | return -1; | |
862 | } | |
863 | ||
eff0fd1e | 864 | for (i = 0; i < conf->num_bss; i++) { |
08081ad8 | 865 | if (hostapd_config_check_bss(conf->bss[i], conf, full_config)) |
eff0fd1e JM |
866 | return -1; |
867 | } | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
872 | ||
873 | void hostapd_set_security_params(struct hostapd_bss_config *bss) | |
874 | { | |
875 | if (bss->individual_wep_key_len == 0) { | |
876 | /* individual keys are not use; can use key idx0 for | |
877 | * broadcast keys */ | |
878 | bss->broadcast_key_idx_min = 0; | |
879 | } | |
880 | ||
881 | if ((bss->wpa & 2) && bss->rsn_pairwise == 0) | |
882 | bss->rsn_pairwise = bss->wpa_pairwise; | |
883 | bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, | |
884 | bss->rsn_pairwise); | |
885 | ||
886 | bss->radius->auth_server = bss->radius->auth_servers; | |
887 | bss->radius->acct_server = bss->radius->acct_servers; | |
888 | ||
889 | if (bss->wpa && bss->ieee802_1x) { | |
890 | bss->ssid.security_policy = SECURITY_WPA; | |
891 | } else if (bss->wpa) { | |
892 | bss->ssid.security_policy = SECURITY_WPA_PSK; | |
893 | } else if (bss->ieee802_1x) { | |
894 | int cipher = WPA_CIPHER_NONE; | |
895 | bss->ssid.security_policy = SECURITY_IEEE_802_1X; | |
896 | bss->ssid.wep.default_len = bss->default_wep_key_len; | |
897 | if (bss->default_wep_key_len) | |
898 | cipher = bss->default_wep_key_len >= 13 ? | |
899 | WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; | |
900 | bss->wpa_group = cipher; | |
901 | bss->wpa_pairwise = cipher; | |
902 | bss->rsn_pairwise = cipher; | |
903 | } else if (bss->ssid.wep.keys_set) { | |
904 | int cipher = WPA_CIPHER_WEP40; | |
905 | if (bss->ssid.wep.len[0] >= 13) | |
906 | cipher = WPA_CIPHER_WEP104; | |
907 | bss->ssid.security_policy = SECURITY_STATIC_WEP; | |
908 | bss->wpa_group = cipher; | |
909 | bss->wpa_pairwise = cipher; | |
910 | bss->rsn_pairwise = cipher; | |
a14896e8 JM |
911 | } else if (bss->osen) { |
912 | bss->ssid.security_policy = SECURITY_OSEN; | |
913 | bss->wpa_group = WPA_CIPHER_CCMP; | |
914 | bss->wpa_pairwise = 0; | |
915 | bss->rsn_pairwise = WPA_CIPHER_CCMP; | |
eff0fd1e JM |
916 | } else { |
917 | bss->ssid.security_policy = SECURITY_PLAINTEXT; | |
918 | bss->wpa_group = WPA_CIPHER_NONE; | |
919 | bss->wpa_pairwise = WPA_CIPHER_NONE; | |
920 | bss->rsn_pairwise = WPA_CIPHER_NONE; | |
921 | } | |
922 | } |