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6fc6879b JM |
1 | /* |
2 | * hostapd / Initialization and configuration | |
3 | * Copyright (c) 2002-2008, 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 | #include "includes.h" | |
16 | #ifndef CONFIG_NATIVE_WINDOWS | |
17 | #include <syslog.h> | |
18 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
19 | ||
20 | #include "eloop.h" | |
21 | #include "hostapd.h" | |
22 | #include "ieee802_1x.h" | |
23 | #include "ieee802_11.h" | |
24 | #include "beacon.h" | |
25 | #include "hw_features.h" | |
26 | #include "accounting.h" | |
27 | #include "eapol_sm.h" | |
28 | #include "iapp.h" | |
29 | #include "ap.h" | |
30 | #include "ieee802_11_auth.h" | |
31 | #include "ap_list.h" | |
32 | #include "sta_info.h" | |
33 | #include "driver.h" | |
34 | #include "radius/radius_client.h" | |
35 | #include "radius/radius_server.h" | |
36 | #include "wpa.h" | |
37 | #include "preauth.h" | |
38 | #include "wme.h" | |
39 | #include "vlan_init.h" | |
40 | #include "ctrl_iface.h" | |
41 | #include "tls.h" | |
42 | #include "eap_server/eap_sim_db.h" | |
43 | #include "eap_server/eap.h" | |
da08a7c7 | 44 | #include "eap_server/tncs.h" |
6fc6879b JM |
45 | #include "version.h" |
46 | #include "l2_packet/l2_packet.h" | |
47 | ||
48 | ||
49 | static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity, | |
50 | size_t identity_len, int phase2, | |
51 | struct eap_user *user); | |
52 | ||
53 | struct hapd_interfaces { | |
54 | size_t count; | |
55 | struct hostapd_iface **iface; | |
56 | }; | |
57 | ||
58 | unsigned char rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; | |
59 | ||
60 | ||
61 | extern int wpa_debug_level; | |
62 | extern int wpa_debug_show_keys; | |
63 | extern int wpa_debug_timestamp; | |
64 | ||
65 | ||
66 | static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, | |
67 | int level, const char *txt, size_t len) | |
68 | { | |
69 | struct hostapd_data *hapd = ctx; | |
70 | char *format, *module_str; | |
71 | int maxlen; | |
72 | int conf_syslog_level, conf_stdout_level; | |
73 | unsigned int conf_syslog, conf_stdout; | |
74 | ||
75 | maxlen = len + 100; | |
76 | format = os_malloc(maxlen); | |
77 | if (!format) | |
78 | return; | |
79 | ||
80 | if (hapd && hapd->conf) { | |
81 | conf_syslog_level = hapd->conf->logger_syslog_level; | |
82 | conf_stdout_level = hapd->conf->logger_stdout_level; | |
83 | conf_syslog = hapd->conf->logger_syslog; | |
84 | conf_stdout = hapd->conf->logger_stdout; | |
85 | } else { | |
86 | conf_syslog_level = conf_stdout_level = 0; | |
87 | conf_syslog = conf_stdout = (unsigned int) -1; | |
88 | } | |
89 | ||
90 | switch (module) { | |
91 | case HOSTAPD_MODULE_IEEE80211: | |
92 | module_str = "IEEE 802.11"; | |
93 | break; | |
94 | case HOSTAPD_MODULE_IEEE8021X: | |
95 | module_str = "IEEE 802.1X"; | |
96 | break; | |
97 | case HOSTAPD_MODULE_RADIUS: | |
98 | module_str = "RADIUS"; | |
99 | break; | |
100 | case HOSTAPD_MODULE_WPA: | |
101 | module_str = "WPA"; | |
102 | break; | |
103 | case HOSTAPD_MODULE_DRIVER: | |
104 | module_str = "DRIVER"; | |
105 | break; | |
106 | case HOSTAPD_MODULE_IAPP: | |
107 | module_str = "IAPP"; | |
108 | break; | |
109 | case HOSTAPD_MODULE_MLME: | |
110 | module_str = "MLME"; | |
111 | break; | |
112 | default: | |
113 | module_str = NULL; | |
114 | break; | |
115 | } | |
116 | ||
117 | if (hapd && hapd->conf && addr) | |
118 | os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", | |
119 | hapd->conf->iface, MAC2STR(addr), | |
120 | module_str ? " " : "", module_str, txt); | |
121 | else if (hapd && hapd->conf) | |
122 | os_snprintf(format, maxlen, "%s:%s%s %s", | |
123 | hapd->conf->iface, module_str ? " " : "", | |
124 | module_str, txt); | |
125 | else if (addr) | |
126 | os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", | |
127 | MAC2STR(addr), module_str ? " " : "", | |
128 | module_str, txt); | |
129 | else | |
130 | os_snprintf(format, maxlen, "%s%s%s", | |
131 | module_str, module_str ? ": " : "", txt); | |
132 | ||
133 | if ((conf_stdout & module) && level >= conf_stdout_level) { | |
134 | wpa_debug_print_timestamp(); | |
135 | printf("%s\n", format); | |
136 | } | |
137 | ||
138 | #ifndef CONFIG_NATIVE_WINDOWS | |
139 | if ((conf_syslog & module) && level >= conf_syslog_level) { | |
140 | int priority; | |
141 | switch (level) { | |
142 | case HOSTAPD_LEVEL_DEBUG_VERBOSE: | |
143 | case HOSTAPD_LEVEL_DEBUG: | |
144 | priority = LOG_DEBUG; | |
145 | break; | |
146 | case HOSTAPD_LEVEL_INFO: | |
147 | priority = LOG_INFO; | |
148 | break; | |
149 | case HOSTAPD_LEVEL_NOTICE: | |
150 | priority = LOG_NOTICE; | |
151 | break; | |
152 | case HOSTAPD_LEVEL_WARNING: | |
153 | priority = LOG_WARNING; | |
154 | break; | |
155 | default: | |
156 | priority = LOG_INFO; | |
157 | break; | |
158 | } | |
159 | syslog(priority, "%s", format); | |
160 | } | |
161 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
162 | ||
163 | os_free(format); | |
164 | } | |
165 | ||
166 | ||
167 | static void hostapd_deauth_all_stas(struct hostapd_data *hapd) | |
168 | { | |
6fc6879b JM |
169 | u8 addr[ETH_ALEN]; |
170 | ||
6fc6879b JM |
171 | /* New Prism2.5/3 STA firmware versions seem to have issues with this |
172 | * broadcast deauth frame. This gets the firmware in odd state where | |
b717ee2a MB |
173 | * nothing works correctly, so let's skip sending this for the hostap |
174 | * driver. */ | |
175 | ||
176 | if (os_strcmp(hapd->driver->name, "hostap") != 0) { | |
177 | os_memset(addr, 0xff, ETH_ALEN); | |
178 | hostapd_sta_deauth(hapd, addr, | |
179 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
180 | } | |
6fc6879b JM |
181 | } |
182 | ||
183 | ||
184 | /** | |
185 | * hostapd_prune_associations - Remove extraneous associations | |
186 | * @hapd: Pointer to BSS data for the most recent association | |
187 | * @sta: Pointer to the associated STA data | |
188 | * | |
189 | * This function looks through all radios and BSS's for previous | |
190 | * (stale) associations of STA. If any are found they are removed. | |
191 | */ | |
192 | static void hostapd_prune_associations(struct hostapd_data *hapd, | |
193 | struct sta_info *sta) | |
194 | { | |
195 | struct sta_info *osta; | |
196 | struct hostapd_data *ohapd; | |
197 | size_t i, j; | |
198 | struct hapd_interfaces *interfaces = eloop_get_user_data(); | |
199 | ||
200 | for (i = 0; i < interfaces->count; i++) { | |
201 | for (j = 0; j < interfaces->iface[i]->num_bss; j++) { | |
202 | ohapd = interfaces->iface[i]->bss[j]; | |
203 | if (ohapd == hapd) | |
204 | continue; | |
205 | osta = ap_get_sta(ohapd, sta->addr); | |
206 | if (!osta) | |
207 | continue; | |
208 | ||
209 | ap_sta_disassociate(ohapd, osta, | |
210 | WLAN_REASON_UNSPECIFIED); | |
211 | } | |
212 | } | |
213 | } | |
214 | ||
215 | ||
216 | /** | |
217 | * hostapd_new_assoc_sta - Notify that a new station associated with the AP | |
218 | * @hapd: Pointer to BSS data | |
219 | * @sta: Pointer to the associated STA data | |
220 | * @reassoc: 1 to indicate this was a re-association; 0 = first association | |
221 | * | |
222 | * This function will be called whenever a station associates with the AP. It | |
223 | * can be called for ieee802_11.c for drivers that export MLME to hostapd and | |
224 | * from driver_*.c for drivers that take care of management frames (IEEE 802.11 | |
225 | * authentication and association) internally. | |
226 | */ | |
227 | void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, | |
228 | int reassoc) | |
229 | { | |
230 | if (hapd->tkip_countermeasures) { | |
231 | hostapd_sta_deauth(hapd, sta->addr, | |
232 | WLAN_REASON_MICHAEL_MIC_FAILURE); | |
233 | return; | |
234 | } | |
235 | ||
236 | hostapd_prune_associations(hapd, sta); | |
237 | ||
238 | /* IEEE 802.11F (IAPP) */ | |
239 | if (hapd->conf->ieee802_11f) | |
240 | iapp_new_station(hapd->iapp, sta); | |
241 | ||
242 | /* Start accounting here, if IEEE 802.1X and WPA are not used. | |
243 | * IEEE 802.1X/WPA code will start accounting after the station has | |
244 | * been authorized. */ | |
245 | if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) | |
246 | accounting_sta_start(hapd, sta); | |
247 | ||
248 | hostapd_wme_sta_config(hapd, sta); | |
249 | ||
250 | /* Start IEEE 802.1X authentication process for new stations */ | |
251 | ieee802_1x_new_station(hapd, sta); | |
252 | if (reassoc) { | |
253 | if (sta->auth_alg != WLAN_AUTH_FT) | |
254 | wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH); | |
255 | } else | |
256 | wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm); | |
257 | } | |
258 | ||
259 | ||
260 | #ifdef EAP_SERVER | |
261 | static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd, | |
262 | struct sta_info *sta, void *ctx) | |
263 | { | |
264 | if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0) | |
265 | return 1; | |
266 | return 0; | |
267 | } | |
268 | ||
269 | ||
270 | static void hostapd_sim_db_cb(void *ctx, void *session_ctx) | |
271 | { | |
272 | struct hostapd_data *hapd = ctx; | |
273 | if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) | |
274 | radius_server_eap_pending_cb(hapd->radius_srv, session_ctx); | |
275 | } | |
276 | #endif /* EAP_SERVER */ | |
277 | ||
278 | ||
279 | static void handle_term(int sig, void *eloop_ctx, void *signal_ctx) | |
280 | { | |
281 | printf("Signal %d received - terminating\n", sig); | |
282 | eloop_terminate(); | |
283 | } | |
284 | ||
285 | ||
286 | static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, | |
287 | struct wpa_auth_config *wconf) | |
288 | { | |
289 | wconf->wpa = conf->wpa; | |
290 | wconf->wpa_key_mgmt = conf->wpa_key_mgmt; | |
291 | wconf->wpa_pairwise = conf->wpa_pairwise; | |
292 | wconf->wpa_group = conf->wpa_group; | |
293 | wconf->wpa_group_rekey = conf->wpa_group_rekey; | |
294 | wconf->wpa_strict_rekey = conf->wpa_strict_rekey; | |
295 | wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; | |
296 | wconf->rsn_pairwise = conf->rsn_pairwise; | |
297 | wconf->rsn_preauth = conf->rsn_preauth; | |
298 | wconf->eapol_version = conf->eapol_version; | |
299 | wconf->peerkey = conf->peerkey; | |
300 | wconf->wme_enabled = conf->wme_enabled; | |
301 | #ifdef CONFIG_IEEE80211W | |
302 | wconf->ieee80211w = conf->ieee80211w; | |
303 | #endif /* CONFIG_IEEE80211W */ | |
304 | #ifdef CONFIG_IEEE80211R | |
305 | wconf->ssid_len = conf->ssid.ssid_len; | |
306 | if (wconf->ssid_len > SSID_LEN) | |
307 | wconf->ssid_len = SSID_LEN; | |
308 | os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); | |
309 | os_memcpy(wconf->mobility_domain, conf->mobility_domain, | |
310 | MOBILITY_DOMAIN_ID_LEN); | |
311 | if (conf->nas_identifier && | |
312 | os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { | |
313 | wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); | |
314 | os_memcpy(wconf->r0_key_holder, conf->nas_identifier, | |
315 | wconf->r0_key_holder_len); | |
316 | } | |
317 | os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); | |
318 | wconf->r0_key_lifetime = conf->r0_key_lifetime; | |
319 | wconf->reassociation_deadline = conf->reassociation_deadline; | |
320 | wconf->r0kh_list = conf->r0kh_list; | |
321 | wconf->r1kh_list = conf->r1kh_list; | |
322 | wconf->pmk_r1_push = conf->pmk_r1_push; | |
323 | #endif /* CONFIG_IEEE80211R */ | |
324 | } | |
325 | ||
326 | ||
327 | #ifndef CONFIG_NATIVE_WINDOWS | |
328 | static void handle_reload(int sig, void *eloop_ctx, void *signal_ctx) | |
329 | { | |
330 | struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx; | |
331 | struct hostapd_config *newconf; | |
332 | size_t i; | |
333 | struct wpa_auth_config wpa_auth_conf; | |
334 | ||
335 | printf("Signal %d received - reloading configuration\n", sig); | |
336 | ||
337 | for (i = 0; i < hapds->count; i++) { | |
338 | struct hostapd_data *hapd = hapds->iface[i]->bss[0]; | |
339 | newconf = hostapd_config_read(hapds->iface[i]->config_fname); | |
340 | if (newconf == NULL) { | |
341 | printf("Failed to read new configuration file - " | |
342 | "continuing with old.\n"); | |
343 | continue; | |
344 | } | |
345 | /* TODO: update dynamic data based on changed configuration | |
346 | * items (e.g., open/close sockets, remove stations added to | |
347 | * deny list, etc.) */ | |
348 | radius_client_flush(hapd->radius, 0); | |
349 | hostapd_config_free(hapd->iconf); | |
350 | ||
351 | hostapd_wpa_auth_conf(&newconf->bss[0], &wpa_auth_conf); | |
352 | wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); | |
353 | ||
354 | hapd->iconf = newconf; | |
355 | hapd->conf = &newconf->bss[0]; | |
356 | hapds->iface[i]->conf = newconf; | |
357 | ||
358 | if (hostapd_setup_wpa_psk(hapd->conf)) { | |
359 | wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK " | |
360 | "after reloading configuration"); | |
361 | } | |
362 | } | |
363 | } | |
364 | ||
365 | ||
366 | #ifdef HOSTAPD_DUMP_STATE | |
367 | static void hostapd_dump_state(struct hostapd_data *hapd) | |
368 | { | |
369 | FILE *f; | |
370 | time_t now; | |
371 | struct sta_info *sta; | |
372 | int i; | |
373 | char *buf; | |
374 | ||
375 | if (!hapd->conf->dump_log_name) { | |
376 | printf("Dump file not defined - ignoring dump request\n"); | |
377 | return; | |
378 | } | |
379 | ||
380 | printf("Dumping hostapd state to '%s'\n", hapd->conf->dump_log_name); | |
381 | f = fopen(hapd->conf->dump_log_name, "w"); | |
382 | if (f == NULL) { | |
383 | printf("Could not open dump file '%s' for writing.\n", | |
384 | hapd->conf->dump_log_name); | |
385 | return; | |
386 | } | |
387 | ||
388 | time(&now); | |
389 | fprintf(f, "hostapd state dump - %s", ctime(&now)); | |
390 | fprintf(f, "num_sta=%d num_sta_non_erp=%d " | |
391 | "num_sta_no_short_slot_time=%d\n" | |
392 | "num_sta_no_short_preamble=%d\n", | |
393 | hapd->num_sta, hapd->iface->num_sta_non_erp, | |
394 | hapd->iface->num_sta_no_short_slot_time, | |
395 | hapd->iface->num_sta_no_short_preamble); | |
396 | ||
397 | for (sta = hapd->sta_list; sta != NULL; sta = sta->next) { | |
398 | fprintf(f, "\nSTA=" MACSTR "\n", MAC2STR(sta->addr)); | |
399 | ||
400 | fprintf(f, | |
401 | " AID=%d flags=0x%x %s%s%s%s%s%s%s%s%s%s\n" | |
402 | " capability=0x%x listen_interval=%d\n", | |
403 | sta->aid, | |
404 | sta->flags, | |
405 | (sta->flags & WLAN_STA_AUTH ? "[AUTH]" : ""), | |
406 | (sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""), | |
407 | (sta->flags & WLAN_STA_PS ? "[PS]" : ""), | |
408 | (sta->flags & WLAN_STA_TIM ? "[TIM]" : ""), | |
409 | (sta->flags & WLAN_STA_PERM ? "[PERM]" : ""), | |
410 | (sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : | |
411 | ""), | |
412 | (sta->flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" : | |
413 | ""), | |
414 | (sta->flags & WLAN_STA_SHORT_PREAMBLE ? | |
415 | "[SHORT_PREAMBLE]" : ""), | |
416 | (sta->flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""), | |
417 | (sta->flags & WLAN_STA_NONERP ? "[NonERP]" : ""), | |
418 | sta->capability, | |
419 | sta->listen_interval); | |
420 | ||
421 | fprintf(f, " supported_rates="); | |
422 | for (i = 0; i < sta->supported_rates_len; i++) | |
423 | fprintf(f, "%02x ", sta->supported_rates[i]); | |
424 | fprintf(f, "\n"); | |
425 | ||
426 | fprintf(f, | |
427 | " timeout_next=%s\n", | |
428 | (sta->timeout_next == STA_NULLFUNC ? "NULLFUNC POLL" : | |
429 | (sta->timeout_next == STA_DISASSOC ? "DISASSOC" : | |
430 | "DEAUTH"))); | |
431 | ||
432 | ieee802_1x_dump_state(f, " ", sta); | |
433 | } | |
434 | ||
435 | buf = os_malloc(4096); | |
436 | if (buf) { | |
437 | int count = radius_client_get_mib(hapd->radius, buf, 4096); | |
438 | if (count < 0) | |
439 | count = 0; | |
440 | else if (count > 4095) | |
441 | count = 4095; | |
442 | buf[count] = '\0'; | |
443 | fprintf(f, "%s", buf); | |
444 | ||
445 | count = radius_server_get_mib(hapd->radius_srv, buf, 4096); | |
446 | if (count < 0) | |
447 | count = 0; | |
448 | else if (count > 4095) | |
449 | count = 4095; | |
450 | buf[count] = '\0'; | |
451 | fprintf(f, "%s", buf); | |
452 | os_free(buf); | |
453 | } | |
454 | fclose(f); | |
455 | } | |
456 | #endif /* HOSTAPD_DUMP_STATE */ | |
457 | ||
458 | ||
459 | static void handle_dump_state(int sig, void *eloop_ctx, void *signal_ctx) | |
460 | { | |
461 | #ifdef HOSTAPD_DUMP_STATE | |
462 | struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx; | |
463 | size_t i, j; | |
464 | ||
465 | for (i = 0; i < hapds->count; i++) { | |
466 | struct hostapd_iface *hapd_iface = hapds->iface[i]; | |
467 | for (j = 0; j < hapd_iface->num_bss; j++) | |
468 | hostapd_dump_state(hapd_iface->bss[j]); | |
469 | } | |
470 | #endif /* HOSTAPD_DUMP_STATE */ | |
471 | } | |
472 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
473 | ||
474 | static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd, | |
475 | char *ifname) | |
476 | { | |
477 | int i; | |
478 | ||
479 | for (i = 0; i < NUM_WEP_KEYS; i++) { | |
480 | if (hostapd_set_encryption(ifname, hapd, "none", NULL, i, NULL, | |
481 | 0, i == 0 ? 1 : 0)) { | |
482 | printf("Failed to clear default encryption keys " | |
483 | "(ifname=%s keyidx=%d)\n", ifname, i); | |
484 | } | |
485 | } | |
486 | } | |
487 | ||
488 | ||
489 | static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd) | |
490 | { | |
491 | hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface); | |
492 | return 0; | |
493 | } | |
494 | ||
495 | ||
496 | static int hostapd_broadcast_wep_set(struct hostapd_data *hapd) | |
497 | { | |
498 | int errors = 0, idx; | |
499 | struct hostapd_ssid *ssid = &hapd->conf->ssid; | |
500 | ||
501 | idx = ssid->wep.idx; | |
502 | if (ssid->wep.default_len && | |
503 | hostapd_set_encryption(hapd->conf->iface, | |
504 | hapd, "WEP", NULL, idx, | |
505 | ssid->wep.key[idx], | |
506 | ssid->wep.len[idx], | |
507 | idx == ssid->wep.idx)) { | |
508 | printf("Could not set WEP encryption.\n"); | |
509 | errors++; | |
510 | } | |
511 | ||
512 | if (ssid->dyn_vlan_keys) { | |
513 | size_t i; | |
514 | for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) { | |
515 | const char *ifname; | |
516 | struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i]; | |
517 | if (key == NULL) | |
518 | continue; | |
519 | ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, | |
520 | i); | |
521 | if (ifname == NULL) | |
522 | continue; | |
523 | ||
524 | idx = key->idx; | |
525 | if (hostapd_set_encryption(ifname, hapd, "WEP", NULL, | |
526 | idx, key->key[idx], | |
527 | key->len[idx], | |
528 | idx == key->idx)) { | |
529 | printf("Could not set dynamic VLAN WEP " | |
530 | "encryption.\n"); | |
531 | errors++; | |
532 | } | |
533 | } | |
534 | } | |
535 | ||
536 | return errors; | |
537 | } | |
538 | ||
539 | /** | |
540 | * hostapd_cleanup - Per-BSS cleanup (deinitialization) | |
541 | * @hapd: Pointer to BSS data | |
542 | * | |
543 | * This function is used to free all per-BSS data structures and resources. | |
544 | * This gets called in a loop for each BSS between calls to | |
545 | * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface | |
546 | * is deinitialized. Most of the modules that are initialized in | |
547 | * hostapd_setup_bss() are deinitialized here. | |
548 | */ | |
549 | static void hostapd_cleanup(struct hostapd_data *hapd) | |
550 | { | |
551 | hostapd_ctrl_iface_deinit(hapd); | |
552 | ||
553 | os_free(hapd->default_wep_key); | |
554 | hapd->default_wep_key = NULL; | |
555 | iapp_deinit(hapd->iapp); | |
556 | hapd->iapp = NULL; | |
557 | accounting_deinit(hapd); | |
558 | rsn_preauth_iface_deinit(hapd); | |
559 | if (hapd->wpa_auth) { | |
560 | wpa_deinit(hapd->wpa_auth); | |
561 | hapd->wpa_auth = NULL; | |
562 | ||
563 | if (hostapd_set_privacy(hapd, 0)) { | |
564 | wpa_printf(MSG_DEBUG, "Could not disable " | |
565 | "PrivacyInvoked for interface %s", | |
566 | hapd->conf->iface); | |
567 | } | |
568 | ||
569 | if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { | |
570 | wpa_printf(MSG_DEBUG, "Could not remove generic " | |
571 | "information element from interface %s", | |
572 | hapd->conf->iface); | |
573 | } | |
574 | } | |
575 | ieee802_1x_deinit(hapd); | |
576 | vlan_deinit(hapd); | |
577 | hostapd_acl_deinit(hapd); | |
578 | radius_client_deinit(hapd->radius); | |
579 | hapd->radius = NULL; | |
580 | radius_server_deinit(hapd->radius_srv); | |
581 | hapd->radius_srv = NULL; | |
582 | ||
583 | #ifdef CONFIG_IEEE80211R | |
584 | l2_packet_deinit(hapd->l2); | |
585 | #endif /* CONFIG_IEEE80211R */ | |
586 | ||
587 | hostapd_wireless_event_deinit(hapd); | |
588 | ||
589 | #ifdef EAP_TLS_FUNCS | |
590 | if (hapd->ssl_ctx) { | |
591 | tls_deinit(hapd->ssl_ctx); | |
592 | hapd->ssl_ctx = NULL; | |
593 | } | |
594 | #endif /* EAP_TLS_FUNCS */ | |
595 | ||
596 | #ifdef EAP_SERVER | |
597 | if (hapd->eap_sim_db_priv) { | |
598 | eap_sim_db_deinit(hapd->eap_sim_db_priv); | |
599 | hapd->eap_sim_db_priv = NULL; | |
600 | } | |
601 | #endif /* EAP_SERVER */ | |
602 | ||
603 | if (hapd->interface_added && | |
604 | hostapd_bss_remove(hapd, hapd->conf->iface)) { | |
605 | printf("Failed to remove BSS interface %s\n", | |
606 | hapd->conf->iface); | |
607 | } | |
608 | } | |
609 | ||
610 | ||
611 | /** | |
612 | * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup | |
613 | * @iface: Pointer to interface data | |
614 | * | |
615 | * This function is called before per-BSS data structures are deinitialized | |
616 | * with hostapd_cleanup(). | |
617 | */ | |
618 | static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface) | |
619 | { | |
620 | } | |
621 | ||
622 | ||
623 | /** | |
624 | * hostapd_cleanup_iface - Complete per-interface cleanup | |
625 | * @iface: Pointer to interface data | |
626 | * | |
627 | * This function is called after per-BSS data structures are deinitialized | |
628 | * with hostapd_cleanup(). | |
629 | */ | |
630 | static void hostapd_cleanup_iface(struct hostapd_iface *iface) | |
631 | { | |
632 | hostapd_free_hw_features(iface->hw_features, iface->num_hw_features); | |
633 | iface->hw_features = NULL; | |
634 | os_free(iface->current_rates); | |
635 | iface->current_rates = NULL; | |
636 | ap_list_deinit(iface); | |
637 | hostapd_config_free(iface->conf); | |
638 | iface->conf = NULL; | |
639 | ||
640 | os_free(iface->config_fname); | |
641 | os_free(iface->bss); | |
642 | os_free(iface); | |
643 | } | |
644 | ||
645 | ||
646 | static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd) | |
647 | { | |
648 | int i; | |
649 | ||
650 | hostapd_broadcast_wep_set(hapd); | |
651 | ||
652 | if (hapd->conf->ssid.wep.default_len) | |
653 | return 0; | |
654 | ||
655 | for (i = 0; i < 4; i++) { | |
656 | if (hapd->conf->ssid.wep.key[i] && | |
657 | hostapd_set_encryption(iface, hapd, "WEP", NULL, | |
658 | i, hapd->conf->ssid.wep.key[i], | |
659 | hapd->conf->ssid.wep.len[i], | |
660 | i == hapd->conf->ssid.wep.idx)) { | |
661 | printf("Could not set WEP encryption.\n"); | |
662 | return -1; | |
663 | } | |
664 | if (hapd->conf->ssid.wep.key[i] && | |
665 | i == hapd->conf->ssid.wep.idx) | |
666 | hostapd_set_privacy(hapd, 1); | |
667 | } | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | ||
673 | static int hostapd_flush_old_stations(struct hostapd_data *hapd) | |
674 | { | |
675 | int ret = 0; | |
676 | ||
677 | wpa_printf(MSG_DEBUG, "Flushing old station entries"); | |
678 | if (hostapd_flush(hapd)) { | |
679 | printf("Could not connect to kernel driver.\n"); | |
680 | ret = -1; | |
681 | } | |
682 | wpa_printf(MSG_DEBUG, "Deauthenticate all stations"); | |
683 | hostapd_deauth_all_stas(hapd); | |
684 | ||
685 | return ret; | |
686 | } | |
687 | ||
688 | ||
689 | static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, | |
690 | logger_level level, const char *txt) | |
691 | { | |
692 | struct hostapd_data *hapd = ctx; | |
693 | int hlevel; | |
694 | ||
695 | switch (level) { | |
696 | case LOGGER_WARNING: | |
697 | hlevel = HOSTAPD_LEVEL_WARNING; | |
698 | break; | |
699 | case LOGGER_INFO: | |
700 | hlevel = HOSTAPD_LEVEL_INFO; | |
701 | break; | |
702 | case LOGGER_DEBUG: | |
703 | default: | |
704 | hlevel = HOSTAPD_LEVEL_DEBUG; | |
705 | break; | |
706 | } | |
707 | ||
708 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); | |
709 | } | |
710 | ||
711 | ||
712 | static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, | |
713 | u16 reason) | |
714 | { | |
715 | struct hostapd_data *hapd = ctx; | |
716 | struct sta_info *sta; | |
717 | ||
718 | wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " | |
719 | "STA " MACSTR " reason %d", | |
720 | __func__, MAC2STR(addr), reason); | |
721 | ||
722 | sta = ap_get_sta(hapd, addr); | |
723 | hostapd_sta_deauth(hapd, addr, reason); | |
724 | if (sta == NULL) | |
725 | return; | |
726 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_AUTHORIZED); | |
727 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); | |
728 | eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta); | |
729 | sta->timeout_next = STA_REMOVE; | |
730 | } | |
731 | ||
732 | ||
733 | static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) | |
734 | { | |
735 | struct hostapd_data *hapd = ctx; | |
736 | ieee80211_michael_mic_failure(hapd, addr, 0); | |
737 | } | |
738 | ||
739 | ||
740 | static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, | |
741 | wpa_eapol_variable var, int value) | |
742 | { | |
743 | struct hostapd_data *hapd = ctx; | |
744 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
745 | if (sta == NULL) | |
746 | return; | |
747 | switch (var) { | |
748 | case WPA_EAPOL_portEnabled: | |
749 | ieee802_1x_notify_port_enabled(sta->eapol_sm, value); | |
750 | break; | |
751 | case WPA_EAPOL_portValid: | |
752 | ieee802_1x_notify_port_valid(sta->eapol_sm, value); | |
753 | break; | |
754 | case WPA_EAPOL_authorized: | |
755 | ieee802_1x_set_sta_authorized(hapd, sta, value); | |
756 | break; | |
757 | case WPA_EAPOL_portControl_Auto: | |
758 | if (sta->eapol_sm) | |
759 | sta->eapol_sm->portControl = Auto; | |
760 | break; | |
761 | case WPA_EAPOL_keyRun: | |
762 | if (sta->eapol_sm) | |
763 | sta->eapol_sm->keyRun = value ? TRUE : FALSE; | |
764 | break; | |
765 | case WPA_EAPOL_keyAvailable: | |
766 | if (sta->eapol_sm) | |
767 | sta->eapol_sm->eap_if->eapKeyAvailable = | |
768 | value ? TRUE : FALSE; | |
769 | break; | |
770 | case WPA_EAPOL_keyDone: | |
771 | if (sta->eapol_sm) | |
772 | sta->eapol_sm->keyDone = value ? TRUE : FALSE; | |
773 | break; | |
774 | case WPA_EAPOL_inc_EapolFramesTx: | |
775 | if (sta->eapol_sm) | |
776 | sta->eapol_sm->dot1xAuthEapolFramesTx++; | |
777 | break; | |
778 | } | |
779 | } | |
780 | ||
781 | ||
782 | static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, | |
783 | wpa_eapol_variable var) | |
784 | { | |
785 | struct hostapd_data *hapd = ctx; | |
786 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
787 | if (sta == NULL || sta->eapol_sm == NULL) | |
788 | return -1; | |
789 | switch (var) { | |
790 | case WPA_EAPOL_keyRun: | |
791 | return sta->eapol_sm->keyRun; | |
792 | case WPA_EAPOL_keyAvailable: | |
793 | return sta->eapol_sm->eap_if->eapKeyAvailable; | |
794 | default: | |
795 | return -1; | |
796 | } | |
797 | } | |
798 | ||
799 | ||
800 | static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, | |
801 | const u8 *prev_psk) | |
802 | { | |
803 | struct hostapd_data *hapd = ctx; | |
804 | return hostapd_get_psk(hapd->conf, addr, prev_psk); | |
805 | } | |
806 | ||
807 | ||
808 | static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, | |
809 | size_t *len) | |
810 | { | |
811 | struct hostapd_data *hapd = ctx; | |
812 | const u8 *key; | |
813 | size_t keylen; | |
814 | struct sta_info *sta; | |
815 | ||
816 | sta = ap_get_sta(hapd, addr); | |
817 | if (sta == NULL) | |
818 | return -1; | |
819 | ||
820 | key = ieee802_1x_get_key(sta->eapol_sm, &keylen); | |
821 | if (key == NULL) | |
822 | return -1; | |
823 | ||
824 | if (keylen > *len) | |
825 | keylen = *len; | |
826 | os_memcpy(msk, key, keylen); | |
827 | *len = keylen; | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | ||
833 | static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, const char *alg, | |
834 | const u8 *addr, int idx, u8 *key, | |
835 | size_t key_len) | |
836 | { | |
837 | struct hostapd_data *hapd = ctx; | |
838 | const char *ifname = hapd->conf->iface; | |
839 | ||
840 | if (vlan_id > 0) { | |
841 | ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); | |
842 | if (ifname == NULL) | |
843 | return -1; | |
844 | } | |
845 | ||
846 | return hostapd_set_encryption(ifname, hapd, alg, addr, idx, | |
847 | key, key_len, 1); | |
848 | } | |
849 | ||
850 | ||
851 | static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, | |
852 | u8 *seq) | |
853 | { | |
854 | struct hostapd_data *hapd = ctx; | |
855 | return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); | |
856 | } | |
857 | ||
858 | ||
859 | static int hostapd_wpa_auth_get_seqnum_igtk(void *ctx, const u8 *addr, int idx, | |
860 | u8 *seq) | |
861 | { | |
862 | struct hostapd_data *hapd = ctx; | |
863 | return hostapd_get_seqnum_igtk(hapd->conf->iface, hapd, addr, idx, | |
864 | seq); | |
865 | } | |
866 | ||
867 | ||
868 | static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, | |
869 | const u8 *data, size_t data_len, | |
870 | int encrypt) | |
871 | { | |
872 | struct hostapd_data *hapd = ctx; | |
873 | return hostapd_send_eapol(hapd, addr, data, data_len, encrypt); | |
874 | } | |
875 | ||
876 | ||
877 | static int hostapd_wpa_auth_for_each_sta( | |
878 | void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), | |
879 | void *cb_ctx) | |
880 | { | |
881 | struct hostapd_data *hapd = ctx; | |
882 | struct sta_info *sta; | |
883 | ||
884 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
885 | if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) | |
886 | return 1; | |
887 | } | |
888 | return 0; | |
889 | } | |
890 | ||
891 | ||
892 | static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, | |
893 | const u8 *data, size_t data_len) | |
894 | { | |
895 | struct hostapd_data *hapd = ctx; | |
896 | ||
897 | if (hapd->driver && hapd->driver->send_ether) | |
898 | return hapd->driver->send_ether(hapd->drv_priv, dst, | |
899 | hapd->own_addr, proto, | |
900 | data, data_len); | |
901 | if (hapd->l2 == NULL) | |
902 | return -1; | |
903 | return l2_packet_send(hapd->l2, dst, proto, data, data_len); | |
904 | } | |
905 | ||
906 | ||
907 | #ifdef CONFIG_IEEE80211R | |
908 | ||
909 | static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, | |
910 | const u8 *data, size_t data_len) | |
911 | { | |
912 | struct hostapd_data *hapd = ctx; | |
913 | int res; | |
914 | struct ieee80211_mgmt *m; | |
915 | size_t mlen; | |
916 | struct sta_info *sta; | |
917 | ||
918 | sta = ap_get_sta(hapd, dst); | |
919 | if (sta == NULL || sta->wpa_sm == NULL) | |
920 | return -1; | |
921 | ||
922 | m = os_zalloc(sizeof(*m) + data_len); | |
923 | if (m == NULL) | |
924 | return -1; | |
925 | mlen = ((u8 *) &m->u - (u8 *) m) + data_len; | |
926 | m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
927 | WLAN_FC_STYPE_ACTION); | |
928 | os_memcpy(m->da, dst, ETH_ALEN); | |
929 | os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); | |
930 | os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); | |
931 | os_memcpy(&m->u, data, data_len); | |
932 | ||
933 | res = hostapd_send_mgmt_frame(hapd, (u8 *) m, mlen, 0); | |
934 | os_free(m); | |
935 | return res; | |
936 | } | |
937 | ||
938 | ||
939 | static struct wpa_state_machine * | |
940 | hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) | |
941 | { | |
942 | struct hostapd_data *hapd = ctx; | |
943 | struct sta_info *sta; | |
944 | ||
945 | sta = ap_sta_add(hapd, sta_addr); | |
946 | if (sta == NULL) | |
947 | return NULL; | |
948 | if (sta->wpa_sm) | |
949 | return sta->wpa_sm; | |
950 | ||
951 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr); | |
952 | if (sta->wpa_sm == NULL) { | |
953 | ap_free_sta(hapd, sta); | |
954 | return NULL; | |
955 | } | |
956 | sta->auth_alg = WLAN_AUTH_FT; | |
957 | ||
958 | return sta->wpa_sm; | |
959 | } | |
960 | ||
961 | ||
962 | static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, | |
963 | size_t len) | |
964 | { | |
965 | struct hostapd_data *hapd = ctx; | |
966 | wpa_ft_rrb_rx(hapd->wpa_auth, src_addr, buf, len); | |
967 | } | |
968 | ||
969 | #endif /* CONFIG_IEEE80211R */ | |
970 | ||
971 | ||
972 | /** | |
973 | * hostapd_validate_bssid_configuration - Validate BSSID configuration | |
974 | * @iface: Pointer to interface data | |
975 | * Returns: 0 on success, -1 on failure | |
976 | * | |
977 | * This function is used to validate that the configured BSSIDs are valid. | |
978 | */ | |
979 | static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface) | |
980 | { | |
981 | u8 mask[ETH_ALEN] = { 0 }; | |
982 | struct hostapd_data *hapd = iface->bss[0]; | |
983 | unsigned int i = iface->conf->num_bss, bits = 0, j; | |
984 | int res; | |
985 | ||
986 | /* Generate BSSID mask that is large enough to cover the BSSIDs. */ | |
987 | ||
988 | /* Determine the bits necessary to cover the number of BSSIDs. */ | |
989 | for (i--; i; i >>= 1) | |
990 | bits++; | |
991 | ||
992 | /* Determine the bits necessary to any configured BSSIDs, | |
993 | if they are higher than the number of BSSIDs. */ | |
994 | for (j = 0; j < iface->conf->num_bss; j++) { | |
995 | if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) | |
996 | continue; | |
997 | ||
998 | for (i = 0; i < ETH_ALEN; i++) { | |
999 | mask[i] |= | |
1000 | iface->conf->bss[j].bssid[i] ^ | |
1001 | hapd->own_addr[i]; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | for (i = 0; i < ETH_ALEN && mask[i] == 0; i++) | |
1006 | ; | |
1007 | j = 0; | |
1008 | if (i < ETH_ALEN) { | |
1009 | j = (5 - i) * 8; | |
1010 | ||
1011 | while (mask[i] != 0) { | |
1012 | mask[i] >>= 1; | |
1013 | j++; | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | if (bits < j) | |
1018 | bits = j; | |
1019 | ||
1020 | if (bits > 40) | |
1021 | return -1; | |
1022 | ||
1023 | os_memset(mask, 0xff, ETH_ALEN); | |
1024 | j = bits / 8; | |
1025 | for (i = 5; i > 5 - j; i--) | |
1026 | mask[i] = 0; | |
1027 | j = bits % 8; | |
1028 | while (j--) | |
1029 | mask[i] <<= 1; | |
1030 | ||
1031 | wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)", | |
1032 | (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits); | |
1033 | ||
1034 | res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask); | |
1035 | if (res == 0) | |
1036 | return 0; | |
1037 | ||
1038 | if (res < 0) { | |
1039 | printf("Driver did not accept BSSID mask " MACSTR " for start " | |
1040 | "address " MACSTR ".\n", | |
1041 | MAC2STR(mask), MAC2STR(hapd->own_addr)); | |
1042 | return -1; | |
1043 | } | |
1044 | ||
1045 | for (i = 0; i < ETH_ALEN; i++) { | |
1046 | if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) { | |
1047 | printf("Invalid BSSID mask " MACSTR " for start " | |
1048 | "address " MACSTR ".\n" | |
1049 | "Start address must be the first address in the" | |
1050 | " block (i.e., addr AND mask == addr).\n", | |
1051 | MAC2STR(mask), MAC2STR(hapd->own_addr)); | |
1052 | return -1; | |
1053 | } | |
1054 | } | |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | ||
1060 | static int mac_in_conf(struct hostapd_config *conf, const void *a) | |
1061 | { | |
1062 | size_t i; | |
1063 | ||
1064 | for (i = 0; i < conf->num_bss; i++) { | |
1065 | if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) { | |
1066 | return 1; | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | ||
1074 | static int hostapd_setup_wpa(struct hostapd_data *hapd) | |
1075 | { | |
1076 | struct wpa_auth_config _conf; | |
1077 | struct wpa_auth_callbacks cb; | |
1078 | const u8 *wpa_ie; | |
1079 | size_t wpa_ie_len; | |
1080 | ||
1081 | hostapd_wpa_auth_conf(hapd->conf, &_conf); | |
1082 | os_memset(&cb, 0, sizeof(cb)); | |
1083 | cb.ctx = hapd; | |
1084 | cb.logger = hostapd_wpa_auth_logger; | |
1085 | cb.disconnect = hostapd_wpa_auth_disconnect; | |
1086 | cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; | |
1087 | cb.set_eapol = hostapd_wpa_auth_set_eapol; | |
1088 | cb.get_eapol = hostapd_wpa_auth_get_eapol; | |
1089 | cb.get_psk = hostapd_wpa_auth_get_psk; | |
1090 | cb.get_msk = hostapd_wpa_auth_get_msk; | |
1091 | cb.set_key = hostapd_wpa_auth_set_key; | |
1092 | cb.get_seqnum = hostapd_wpa_auth_get_seqnum; | |
1093 | cb.get_seqnum_igtk = hostapd_wpa_auth_get_seqnum_igtk; | |
1094 | cb.send_eapol = hostapd_wpa_auth_send_eapol; | |
1095 | cb.for_each_sta = hostapd_wpa_auth_for_each_sta; | |
1096 | cb.send_ether = hostapd_wpa_auth_send_ether; | |
1097 | #ifdef CONFIG_IEEE80211R | |
1098 | cb.send_ft_action = hostapd_wpa_auth_send_ft_action; | |
1099 | cb.add_sta = hostapd_wpa_auth_add_sta; | |
1100 | #endif /* CONFIG_IEEE80211R */ | |
1101 | hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); | |
1102 | if (hapd->wpa_auth == NULL) { | |
1103 | printf("WPA initialization failed.\n"); | |
1104 | return -1; | |
1105 | } | |
1106 | ||
1107 | if (hostapd_set_privacy(hapd, 1)) { | |
1108 | wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " | |
1109 | "for interface %s", hapd->conf->iface); | |
1110 | return -1; | |
1111 | } | |
1112 | ||
1113 | wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); | |
1114 | if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { | |
1115 | wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " | |
1116 | "the kernel driver."); | |
1117 | return -1; | |
1118 | } | |
1119 | ||
1120 | if (rsn_preauth_iface_init(hapd)) { | |
1121 | printf("Initialization of RSN pre-authentication " | |
1122 | "failed.\n"); | |
1123 | return -1; | |
1124 | } | |
1125 | ||
1126 | return 0; | |
1127 | ||
1128 | } | |
1129 | ||
1130 | ||
1131 | static int hostapd_setup_radius_srv(struct hostapd_data *hapd, | |
1132 | struct hostapd_bss_config *conf) | |
1133 | { | |
1134 | struct radius_server_conf srv; | |
1135 | os_memset(&srv, 0, sizeof(srv)); | |
1136 | srv.client_file = conf->radius_server_clients; | |
1137 | srv.auth_port = conf->radius_server_auth_port; | |
1138 | srv.conf_ctx = conf; | |
1139 | srv.eap_sim_db_priv = hapd->eap_sim_db_priv; | |
1140 | srv.ssl_ctx = hapd->ssl_ctx; | |
1141 | srv.pac_opaque_encr_key = conf->pac_opaque_encr_key; | |
1142 | srv.eap_fast_a_id = conf->eap_fast_a_id; | |
1143 | srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind; | |
c3e258ae | 1144 | srv.tnc = conf->tnc; |
6fc6879b JM |
1145 | srv.ipv6 = conf->radius_server_ipv6; |
1146 | srv.get_eap_user = hostapd_radius_get_eap_user; | |
1147 | ||
1148 | hapd->radius_srv = radius_server_init(&srv); | |
1149 | if (hapd->radius_srv == NULL) { | |
1150 | printf("RADIUS server initialization failed.\n"); | |
1151 | return -1; | |
1152 | } | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | ||
1158 | /** | |
1159 | * hostapd_setup_bss - Per-BSS setup (initialization) | |
1160 | * @hapd: Pointer to BSS data | |
1161 | * @first: Whether this BSS is the first BSS of an interface | |
1162 | * | |
1163 | * This function is used to initialize all per-BSS data structures and | |
1164 | * resources. This gets called in a loop for each BSS when an interface is | |
1165 | * initialized. Most of the modules that are initialized here will be | |
1166 | * deinitialized in hostapd_cleanup(). | |
1167 | */ | |
1168 | static int hostapd_setup_bss(struct hostapd_data *hapd, int first) | |
1169 | { | |
1170 | struct hostapd_bss_config *conf = hapd->conf; | |
1171 | u8 ssid[HOSTAPD_MAX_SSID_LEN + 1]; | |
1172 | int ssid_len, set_ssid; | |
1173 | ||
1174 | if (!first) { | |
1175 | if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) { | |
1176 | /* Allocate the next available BSSID. */ | |
1177 | do { | |
1178 | inc_byte_array(hapd->own_addr, ETH_ALEN); | |
1179 | } while (mac_in_conf(hapd->iconf, hapd->own_addr)); | |
1180 | } else { | |
1181 | /* Allocate the configured BSSID. */ | |
1182 | os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN); | |
1183 | ||
1184 | if (hostapd_mac_comp(hapd->own_addr, | |
1185 | hapd->iface->bss[0]->own_addr) == | |
1186 | 0) { | |
1187 | printf("BSS '%s' may not have BSSID " | |
1188 | "set to the MAC address of the radio\n", | |
1189 | hapd->conf->iface); | |
1190 | return -1; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | hapd->interface_added = 1; | |
1195 | if (hostapd_bss_add(hapd->iface->bss[0], hapd->conf->iface, | |
1196 | hapd->own_addr)) { | |
1197 | printf("Failed to add BSS (BSSID=" MACSTR ")\n", | |
1198 | MAC2STR(hapd->own_addr)); | |
1199 | return -1; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | /* | |
1204 | * Fetch the SSID from the system and use it or, | |
1205 | * if one was specified in the config file, verify they | |
1206 | * match. | |
1207 | */ | |
1208 | ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid)); | |
1209 | if (ssid_len < 0) { | |
1210 | printf("Could not read SSID from system\n"); | |
1211 | return -1; | |
1212 | } | |
1213 | if (conf->ssid.ssid_set) { | |
1214 | /* | |
1215 | * If SSID is specified in the config file and it differs | |
1216 | * from what is being used then force installation of the | |
1217 | * new SSID. | |
1218 | */ | |
1219 | set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len || | |
1220 | os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0); | |
1221 | } else { | |
1222 | /* | |
1223 | * No SSID in the config file; just use the one we got | |
1224 | * from the system. | |
1225 | */ | |
1226 | set_ssid = 0; | |
1227 | conf->ssid.ssid_len = ssid_len; | |
1228 | os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len); | |
1229 | conf->ssid.ssid[conf->ssid.ssid_len] = '\0'; | |
1230 | } | |
1231 | ||
1232 | printf("Using interface %s with hwaddr " MACSTR " and ssid '%s'\n", | |
1233 | hapd->conf->iface, MAC2STR(hapd->own_addr), | |
1234 | hapd->conf->ssid.ssid); | |
1235 | ||
1236 | if (hostapd_setup_wpa_psk(conf)) { | |
1237 | printf("WPA-PSK setup failed.\n"); | |
1238 | return -1; | |
1239 | } | |
1240 | ||
1241 | /* Set flag for whether SSID is broadcast in beacons */ | |
1242 | if (hostapd_set_broadcast_ssid(hapd, | |
1243 | !!hapd->conf->ignore_broadcast_ssid)) { | |
1244 | printf("Could not set broadcast SSID flag for kernel " | |
1245 | "driver\n"); | |
1246 | return -1; | |
1247 | } | |
1248 | ||
1249 | if (hostapd_set_dtim_period(hapd, hapd->conf->dtim_period)) { | |
1250 | printf("Could not set DTIM period for kernel driver\n"); | |
1251 | return -1; | |
1252 | } | |
1253 | ||
1254 | /* Set SSID for the kernel driver (to be used in beacon and probe | |
1255 | * response frames) */ | |
1256 | if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid, | |
1257 | conf->ssid.ssid_len)) { | |
1258 | printf("Could not set SSID for kernel driver\n"); | |
1259 | return -1; | |
1260 | } | |
1261 | ||
1262 | if (wpa_debug_level == MSG_MSGDUMP) | |
1263 | conf->radius->msg_dumps = 1; | |
1264 | hapd->radius = radius_client_init(hapd, conf->radius); | |
1265 | if (hapd->radius == NULL) { | |
1266 | printf("RADIUS client initialization failed.\n"); | |
1267 | return -1; | |
1268 | } | |
1269 | ||
1270 | if (hostapd_acl_init(hapd)) { | |
1271 | printf("ACL initialization failed.\n"); | |
1272 | return -1; | |
1273 | } | |
1274 | ||
1275 | if (ieee802_1x_init(hapd)) { | |
1276 | printf("IEEE 802.1X initialization failed.\n"); | |
1277 | return -1; | |
1278 | } | |
1279 | ||
1280 | if (hapd->conf->wpa && hostapd_setup_wpa(hapd)) | |
1281 | return -1; | |
1282 | ||
1283 | if (accounting_init(hapd)) { | |
1284 | printf("Accounting initialization failed.\n"); | |
1285 | return -1; | |
1286 | } | |
1287 | ||
1288 | if (hapd->conf->ieee802_11f && | |
1289 | (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) { | |
1290 | printf("IEEE 802.11F (IAPP) initialization failed.\n"); | |
1291 | return -1; | |
1292 | } | |
1293 | ||
1294 | if (hostapd_ctrl_iface_init(hapd)) { | |
1295 | printf("Failed to setup control interface\n"); | |
1296 | return -1; | |
1297 | } | |
1298 | ||
1299 | if (vlan_init(hapd)) { | |
1300 | printf("VLAN initialization failed.\n"); | |
1301 | return -1; | |
1302 | } | |
1303 | ||
1304 | #ifdef CONFIG_IEEE80211R | |
1305 | hapd->l2 = l2_packet_init(hapd->conf->iface, NULL, ETH_P_RRB, | |
1306 | hostapd_rrb_receive, hapd, 0); | |
1307 | if (hapd->l2 == NULL && | |
1308 | (hapd->driver == NULL || hapd->driver->send_ether == NULL)) { | |
1309 | printf("Failed to open l2_packet interface\n"); | |
1310 | return -1; | |
1311 | } | |
1312 | #endif /* CONFIG_IEEE80211R */ | |
1313 | ||
1314 | ieee802_11_set_beacon(hapd); | |
1315 | ||
1316 | if (conf->radius_server_clients && | |
1317 | hostapd_setup_radius_srv(hapd, conf)) | |
1318 | return -1; | |
1319 | ||
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | ||
1324 | /** | |
1325 | * setup_interface2 - Setup (initialize) an interface (part 2) | |
1326 | * @iface: Pointer to interface data. | |
1327 | * Returns: 0 on success; -1 on failure. | |
1328 | * | |
1329 | * Flushes old stations, sets the channel, DFS parameters, encryption, | |
1330 | * beacons, and WDS links based on the configuration. | |
1331 | */ | |
1332 | static int setup_interface2(struct hostapd_iface *iface) | |
1333 | { | |
1334 | struct hostapd_data *hapd = iface->bss[0]; | |
1335 | int freq; | |
1336 | size_t j; | |
1337 | int ret = 0; | |
1338 | u8 *prev_addr; | |
1339 | ||
1340 | hostapd_flush_old_stations(hapd); | |
1341 | hostapd_set_privacy(hapd, 0); | |
1342 | ||
1343 | if (hapd->iconf->channel) { | |
1344 | freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel); | |
1345 | printf("Mode: %s Channel: %d Frequency: %d MHz\n", | |
1346 | hostapd_hw_mode_txt(hapd->iconf->hw_mode), | |
1347 | hapd->iconf->channel, freq); | |
1348 | ||
1349 | if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, freq)) { | |
1350 | printf("Could not set channel for kernel driver\n"); | |
1351 | return -1; | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | hostapd_broadcast_wep_clear(hapd); | |
1356 | if (hostapd_setup_encryption(hapd->conf->iface, hapd)) | |
1357 | return -1; | |
1358 | ||
1359 | hostapd_set_beacon_int(hapd, hapd->iconf->beacon_int); | |
1360 | ieee802_11_set_beacon(hapd); | |
1361 | ||
1362 | if (hapd->iconf->rts_threshold > -1 && | |
1363 | hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) { | |
1364 | printf("Could not set RTS threshold for kernel driver\n"); | |
1365 | return -1; | |
1366 | } | |
1367 | ||
1368 | if (hapd->iconf->fragm_threshold > -1 && | |
1369 | hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) { | |
1370 | printf("Could not set fragmentation threshold for kernel " | |
1371 | "driver\n"); | |
1372 | return -1; | |
1373 | } | |
1374 | ||
1375 | prev_addr = hapd->own_addr; | |
1376 | ||
1377 | for (j = 0; j < iface->num_bss; j++) { | |
1378 | hapd = iface->bss[j]; | |
1379 | if (j) | |
1380 | os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN); | |
1381 | if (hostapd_setup_bss(hapd, j == 0)) | |
1382 | return -1; | |
1383 | if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) | |
1384 | prev_addr = hapd->own_addr; | |
1385 | } | |
1386 | ||
1387 | ap_list_init(iface); | |
1388 | ||
1389 | if (hostapd_driver_commit(hapd) < 0) { | |
1390 | wpa_printf(MSG_ERROR, "%s: Failed to commit driver " | |
1391 | "configuration", __func__); | |
1392 | return -1; | |
1393 | } | |
1394 | ||
1395 | return ret; | |
1396 | } | |
1397 | ||
1398 | ||
1399 | static void setup_interface_start(void *eloop_data, void *user_ctx); | |
1400 | static void setup_interface2_handler(void *eloop_data, void *user_ctx); | |
1401 | ||
1402 | /** | |
1403 | * setup_interface_finalize - Finish setup interface & call the callback | |
1404 | * @iface: Pointer to interface data. | |
1405 | * @status: Status of the setup interface (0 on success; -1 on failure). | |
1406 | * Returns: 0 on success; -1 on failure (e.g., was not in progress). | |
1407 | */ | |
1408 | static int setup_interface_finalize(struct hostapd_iface *iface, int status) | |
1409 | { | |
1410 | hostapd_iface_cb cb; | |
1411 | ||
1412 | if (!iface->setup_cb) | |
1413 | return -1; | |
1414 | ||
1415 | eloop_cancel_timeout(setup_interface_start, iface, NULL); | |
1416 | eloop_cancel_timeout(setup_interface2_handler, iface, NULL); | |
1417 | hostapd_select_hw_mode_stop(iface); | |
1418 | ||
1419 | cb = iface->setup_cb; | |
1420 | ||
1421 | iface->setup_cb = NULL; | |
1422 | ||
1423 | cb(iface, status); | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | ||
1429 | /** | |
1430 | * setup_interface2_wrapper - Wrapper for setup_interface2() | |
1431 | * @iface: Pointer to interface data. | |
1432 | * @status: Status of the hw mode select. | |
1433 | * | |
1434 | * Wrapper for setup_interface2() to calls finalize function upon completion. | |
1435 | */ | |
1436 | static void setup_interface2_wrapper(struct hostapd_iface *iface, int status) | |
1437 | { | |
1438 | int ret = status; | |
1439 | if (ret) | |
1440 | printf("Could not select hw_mode and channel. (%d)\n", ret); | |
1441 | else | |
1442 | ret = setup_interface2(iface); | |
1443 | ||
1444 | setup_interface_finalize(iface, ret); | |
1445 | } | |
1446 | ||
1447 | ||
1448 | /** | |
1449 | * setup_interface2_handler - Used for immediate call of setup_interface2 | |
1450 | * @eloop_data: Stores the struct hostapd_iface * for the interface. | |
1451 | * @user_ctx: Unused. | |
1452 | */ | |
1453 | static void setup_interface2_handler(void *eloop_data, void *user_ctx) | |
1454 | { | |
1455 | struct hostapd_iface *iface = eloop_data; | |
1456 | ||
1457 | setup_interface2_wrapper(iface, 0); | |
1458 | } | |
1459 | ||
1460 | ||
1461 | static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity, | |
1462 | size_t identity_len, int phase2, | |
1463 | struct eap_user *user) | |
1464 | { | |
1465 | const struct hostapd_eap_user *eap_user; | |
1466 | int i, count; | |
1467 | ||
1468 | eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2); | |
1469 | if (eap_user == NULL) | |
1470 | return -1; | |
1471 | ||
1472 | if (user == NULL) | |
1473 | return 0; | |
1474 | ||
1475 | os_memset(user, 0, sizeof(*user)); | |
1476 | count = EAP_USER_MAX_METHODS; | |
1477 | if (count > EAP_MAX_METHODS) | |
1478 | count = EAP_MAX_METHODS; | |
1479 | for (i = 0; i < count; i++) { | |
1480 | user->methods[i].vendor = eap_user->methods[i].vendor; | |
1481 | user->methods[i].method = eap_user->methods[i].method; | |
1482 | } | |
1483 | ||
1484 | if (eap_user->password) { | |
1485 | user->password = os_malloc(eap_user->password_len); | |
1486 | if (user->password == NULL) | |
1487 | return -1; | |
1488 | os_memcpy(user->password, eap_user->password, | |
1489 | eap_user->password_len); | |
1490 | user->password_len = eap_user->password_len; | |
1491 | user->password_hash = eap_user->password_hash; | |
1492 | } | |
1493 | user->force_version = eap_user->force_version; | |
1494 | user->ttls_auth = eap_user->ttls_auth; | |
1495 | ||
1496 | return 0; | |
1497 | } | |
1498 | ||
1499 | ||
1500 | /** | |
1501 | * setup_interface1 - Setup (initialize) an interface (part 1) | |
1502 | * @iface: Pointer to interface data | |
1503 | * Returns: 0 on success, -1 on failure | |
1504 | * | |
1505 | * Initializes the driver interface, validates the configuration, | |
1506 | * and sets driver parameters based on the configuration. | |
1507 | * Schedules setup_interface2() to be called immediately or after | |
1508 | * hardware mode setup takes place. | |
1509 | */ | |
1510 | static int setup_interface1(struct hostapd_iface *iface) | |
1511 | { | |
1512 | struct hostapd_data *hapd = iface->bss[0]; | |
1513 | struct hostapd_bss_config *conf = hapd->conf; | |
1514 | size_t i; | |
1515 | char country[4]; | |
1516 | u8 *b = conf->bssid; | |
1517 | ||
1518 | /* | |
1519 | * Initialize the driver interface and make sure that all BSSes get | |
1520 | * configured with a pointer to this driver interface. | |
1521 | */ | |
1522 | if (b[0] | b[1] | b[2] | b[3] | b[4] | b[5]) { | |
1523 | hapd->drv_priv = hostapd_driver_init_bssid(hapd, b); | |
1524 | } else { | |
1525 | hapd->drv_priv = hostapd_driver_init(hapd); | |
1526 | } | |
1527 | ||
1528 | if (hapd->drv_priv == NULL) { | |
1529 | printf("%s driver initialization failed.\n", | |
1530 | hapd->driver ? hapd->driver->name : "Unknown"); | |
1531 | hapd->driver = NULL; | |
1532 | return -1; | |
1533 | } | |
1534 | for (i = 0; i < iface->num_bss; i++) { | |
1535 | iface->bss[i]->driver = hapd->driver; | |
1536 | iface->bss[i]->drv_priv = hapd->drv_priv; | |
1537 | } | |
1538 | ||
1539 | if (hostapd_validate_bssid_configuration(iface)) | |
1540 | return -1; | |
1541 | ||
1542 | os_memcpy(country, hapd->iconf->country, 3); | |
1543 | country[3] = '\0'; | |
1544 | if (hostapd_set_country(hapd, country) < 0) { | |
1545 | printf("Failed to set country code\n"); | |
1546 | return -1; | |
1547 | } | |
1548 | ||
1549 | if (hapd->iconf->ieee80211d || hapd->iconf->ieee80211h) { | |
1550 | if (hostapd_set_ieee80211d(hapd, 1) < 0) { | |
1551 | printf("Failed to set ieee80211d (%d)\n", | |
1552 | hapd->iconf->ieee80211d); | |
1553 | return -1; | |
1554 | } | |
1555 | } | |
1556 | ||
1557 | if (hapd->iconf->bridge_packets != INTERNAL_BRIDGE_DO_NOT_CONTROL && | |
1558 | hostapd_set_internal_bridge(hapd, hapd->iconf->bridge_packets)) { | |
1559 | printf("Failed to set bridge_packets for kernel driver\n"); | |
1560 | return -1; | |
1561 | } | |
1562 | ||
1563 | /* TODO: merge with hostapd_driver_init() ? */ | |
1564 | if (hostapd_wireless_event_init(hapd) < 0) | |
1565 | return -1; | |
1566 | ||
1567 | if (hostapd_get_hw_features(iface)) { | |
1568 | /* Not all drivers support this yet, so continue without hw | |
1569 | * feature data. */ | |
1570 | } else { | |
1571 | return hostapd_select_hw_mode_start(iface, | |
1572 | setup_interface2_wrapper); | |
1573 | } | |
1574 | ||
1575 | eloop_register_timeout(0, 0, setup_interface2_handler, iface, NULL); | |
1576 | return 0; | |
1577 | } | |
1578 | ||
1579 | ||
1580 | /** | |
1581 | * setup_interface_start - Handler to start setup interface | |
1582 | * @eloop_data: Stores the struct hostapd_iface * for the interface. | |
1583 | * @user_ctx: Unused. | |
1584 | * | |
1585 | * An eloop handler is used so that all errors can be processed by the | |
1586 | * callback without introducing stack recursion. | |
1587 | */ | |
1588 | static void setup_interface_start(void *eloop_data, void *user_ctx) | |
1589 | { | |
1590 | struct hostapd_iface *iface = eloop_data; | |
1591 | ||
1592 | int ret; | |
1593 | ||
1594 | ret = setup_interface1(iface); | |
1595 | if (ret) | |
1596 | setup_interface_finalize(iface, ret); | |
1597 | } | |
1598 | ||
1599 | ||
1600 | /** | |
1601 | * hostapd_setup_interface_start - Start the setup of an interface | |
1602 | * @iface: Pointer to interface data. | |
1603 | * @cb: The function to callback when done. | |
1604 | * Returns: 0 if it starts successfully; cb will be called when done. | |
1605 | * -1 on failure; cb will not be called. | |
1606 | * | |
1607 | * Initializes the driver interface, validates the configuration, | |
1608 | * and sets driver parameters based on the configuration. | |
1609 | * Flushes old stations, sets the channel, DFS parameters, encryption, | |
1610 | * beacons, and WDS links based on the configuration. | |
1611 | */ | |
1612 | int hostapd_setup_interface_start(struct hostapd_iface *iface, | |
1613 | hostapd_iface_cb cb) | |
1614 | { | |
1615 | if (iface->setup_cb) { | |
1616 | wpa_printf(MSG_DEBUG, | |
1617 | "%s: Interface setup already in progress.\n", | |
1618 | iface->bss[0]->conf->iface); | |
1619 | return -1; | |
1620 | } | |
1621 | ||
1622 | iface->setup_cb = cb; | |
1623 | ||
1624 | eloop_register_timeout(0, 0, setup_interface_start, iface, NULL); | |
1625 | ||
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | ||
1630 | /** | |
1631 | * hostapd_setup_interace_stop - Stops the setup of an interface | |
1632 | * @iface: Pointer to interface data | |
1633 | * Returns: 0 if successfully stopped; | |
1634 | * -1 on failure (i.e., was not in progress) | |
1635 | */ | |
1636 | int hostapd_setup_interface_stop(struct hostapd_iface *iface) | |
1637 | { | |
1638 | return setup_interface_finalize(iface, -1); | |
1639 | } | |
1640 | ||
1641 | ||
1642 | static void show_version(void) | |
1643 | { | |
1644 | fprintf(stderr, | |
1645 | "hostapd v" VERSION_STR "\n" | |
1646 | "User space daemon for IEEE 802.11 AP management,\n" | |
1647 | "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" | |
1648 | "Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> " | |
1649 | "and contributors\n"); | |
1650 | } | |
1651 | ||
1652 | ||
1653 | static void usage(void) | |
1654 | { | |
1655 | show_version(); | |
1656 | fprintf(stderr, | |
1657 | "\n" | |
1658 | "usage: hostapd [-hdBKtv] [-P <PID file>] " | |
1659 | "<configuration file(s)>\n" | |
1660 | "\n" | |
1661 | "options:\n" | |
1662 | " -h show this usage\n" | |
1663 | " -d show more debug messages (-dd for even more)\n" | |
1664 | " -B run daemon in the background\n" | |
1665 | " -P PID file\n" | |
1666 | " -K include key data in debug messages\n" | |
1667 | " -t include timestamps in some debug messages\n" | |
1668 | " -v show hostapd version\n"); | |
1669 | ||
1670 | exit(1); | |
1671 | } | |
1672 | ||
1673 | ||
1674 | /** | |
1675 | * hostapd_alloc_bss_data - Allocate and initialize per-BSS data | |
1676 | * @hapd_iface: Pointer to interface data | |
1677 | * @conf: Pointer to per-interface configuration | |
1678 | * @bss: Pointer to per-BSS configuration for this BSS | |
1679 | * Returns: Pointer to allocated BSS data | |
1680 | * | |
1681 | * This function is used to allocate per-BSS data structure. This data will be | |
1682 | * freed after hostapd_cleanup() is called for it during interface | |
1683 | * deinitialization. | |
1684 | */ | |
1685 | static struct hostapd_data * | |
1686 | hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, | |
1687 | struct hostapd_config *conf, | |
1688 | struct hostapd_bss_config *bss) | |
1689 | { | |
1690 | struct hostapd_data *hapd; | |
1691 | ||
1692 | hapd = os_zalloc(sizeof(*hapd)); | |
1693 | if (hapd == NULL) | |
1694 | return NULL; | |
1695 | ||
1696 | hapd->iconf = conf; | |
1697 | hapd->conf = bss; | |
1698 | hapd->iface = hapd_iface; | |
1699 | ||
1700 | if (hapd->conf->individual_wep_key_len > 0) { | |
1701 | /* use key0 in individual key and key1 in broadcast key */ | |
1702 | hapd->default_wep_key_idx = 1; | |
1703 | } | |
1704 | ||
1705 | #ifdef EAP_TLS_FUNCS | |
1706 | if (hapd->conf->eap_server && | |
1707 | (hapd->conf->ca_cert || hapd->conf->server_cert || | |
1708 | hapd->conf->dh_file)) { | |
1709 | struct tls_connection_params params; | |
1710 | ||
1711 | hapd->ssl_ctx = tls_init(NULL); | |
1712 | if (hapd->ssl_ctx == NULL) { | |
1713 | printf("Failed to initialize TLS\n"); | |
1714 | goto fail; | |
1715 | } | |
1716 | ||
1717 | os_memset(¶ms, 0, sizeof(params)); | |
1718 | params.ca_cert = hapd->conf->ca_cert; | |
1719 | params.client_cert = hapd->conf->server_cert; | |
1720 | params.private_key = hapd->conf->private_key; | |
1721 | params.private_key_passwd = hapd->conf->private_key_passwd; | |
1722 | params.dh_file = hapd->conf->dh_file; | |
1723 | ||
1724 | if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) { | |
1725 | printf("Failed to set TLS parameters\n"); | |
1726 | goto fail; | |
1727 | } | |
1728 | ||
1729 | if (tls_global_set_verify(hapd->ssl_ctx, | |
1730 | hapd->conf->check_crl)) { | |
1731 | printf("Failed to enable check_crl\n"); | |
1732 | goto fail; | |
1733 | } | |
1734 | } | |
1735 | #endif /* EAP_TLS_FUNCS */ | |
1736 | ||
1737 | #ifdef EAP_SERVER | |
1738 | if (hapd->conf->eap_sim_db) { | |
1739 | hapd->eap_sim_db_priv = | |
1740 | eap_sim_db_init(hapd->conf->eap_sim_db, | |
1741 | hostapd_sim_db_cb, hapd); | |
1742 | if (hapd->eap_sim_db_priv == NULL) { | |
1743 | printf("Failed to initialize EAP-SIM database " | |
1744 | "interface\n"); | |
1745 | goto fail; | |
1746 | } | |
1747 | } | |
1748 | #endif /* EAP_SERVER */ | |
1749 | ||
1750 | if (hapd->conf->assoc_ap) | |
1751 | hapd->assoc_ap_state = WAIT_BEACON; | |
1752 | ||
1753 | hapd->driver = hapd->iconf->driver; | |
1754 | ||
1755 | return hapd; | |
1756 | ||
1757 | #if defined(EAP_TLS_FUNCS) || defined(EAP_SERVER) | |
1758 | fail: | |
1759 | #endif | |
1760 | /* TODO: cleanup allocated resources(?) */ | |
1761 | os_free(hapd); | |
1762 | return NULL; | |
1763 | } | |
1764 | ||
1765 | ||
1766 | /** | |
1767 | * hostapd_init - Allocate and initialize per-interface data | |
1768 | * @config_file: Path to the configuration file | |
1769 | * Returns: Pointer to the allocated interface data or %NULL on failure | |
1770 | * | |
1771 | * This function is used to allocate main data structures for per-interface | |
1772 | * data. The allocated data buffer will be freed by calling | |
1773 | * hostapd_cleanup_iface(). | |
1774 | */ | |
1775 | static struct hostapd_iface * hostapd_init(const char *config_file) | |
1776 | { | |
1777 | struct hostapd_iface *hapd_iface = NULL; | |
1778 | struct hostapd_config *conf = NULL; | |
1779 | struct hostapd_data *hapd; | |
1780 | size_t i; | |
1781 | ||
1782 | hapd_iface = os_zalloc(sizeof(*hapd_iface)); | |
1783 | if (hapd_iface == NULL) | |
1784 | goto fail; | |
1785 | ||
1786 | hapd_iface->config_fname = os_strdup(config_file); | |
1787 | if (hapd_iface->config_fname == NULL) | |
1788 | goto fail; | |
1789 | ||
1790 | conf = hostapd_config_read(hapd_iface->config_fname); | |
1791 | if (conf == NULL) | |
1792 | goto fail; | |
1793 | hapd_iface->conf = conf; | |
1794 | ||
1795 | hapd_iface->num_bss = conf->num_bss; | |
1796 | hapd_iface->bss = os_zalloc(conf->num_bss * | |
1797 | sizeof(struct hostapd_data *)); | |
1798 | if (hapd_iface->bss == NULL) | |
1799 | goto fail; | |
1800 | ||
1801 | for (i = 0; i < conf->num_bss; i++) { | |
1802 | hapd = hapd_iface->bss[i] = | |
1803 | hostapd_alloc_bss_data(hapd_iface, conf, | |
1804 | &conf->bss[i]); | |
1805 | if (hapd == NULL) | |
1806 | goto fail; | |
1807 | } | |
1808 | ||
1809 | return hapd_iface; | |
1810 | ||
1811 | fail: | |
1812 | if (conf) | |
1813 | hostapd_config_free(conf); | |
1814 | if (hapd_iface) { | |
1815 | for (i = 0; hapd_iface->bss && i < hapd_iface->num_bss; i++) { | |
1816 | hapd = hapd_iface->bss[i]; | |
1817 | if (hapd && hapd->ssl_ctx) | |
1818 | tls_deinit(hapd->ssl_ctx); | |
1819 | } | |
1820 | ||
1821 | os_free(hapd_iface->config_fname); | |
1822 | os_free(hapd_iface->bss); | |
1823 | os_free(hapd_iface); | |
1824 | } | |
1825 | return NULL; | |
1826 | } | |
1827 | ||
1828 | ||
1829 | /** | |
1830 | * register_drivers - Register driver interfaces | |
1831 | * | |
1832 | * This function is generated by Makefile (into driver_conf.c) to call all | |
1833 | * configured driver interfaces to register them to core hostapd. | |
1834 | */ | |
1835 | void register_drivers(void); | |
1836 | ||
1837 | ||
1838 | /** | |
1839 | * setup_interface_done - Callback when an interface is done being setup. | |
1840 | * @iface: Pointer to interface data. | |
1841 | * @status: Status of the interface setup (0 on success; -1 on failure). | |
1842 | */ | |
1843 | static void setup_interface_done(struct hostapd_iface *iface, int status) | |
1844 | { | |
1845 | if (status) { | |
1846 | wpa_printf(MSG_DEBUG, "%s: Unable to setup interface.", | |
1847 | iface->bss[0]->conf->iface); | |
1848 | eloop_terminate(); | |
1849 | } else | |
1850 | wpa_printf(MSG_DEBUG, "%s: Setup of interface done.", | |
1851 | iface->bss[0]->conf->iface); | |
1852 | } | |
1853 | ||
1854 | ||
1855 | int main(int argc, char *argv[]) | |
1856 | { | |
1857 | struct hapd_interfaces interfaces; | |
1858 | int ret = 1, k; | |
1859 | size_t i, j; | |
da08a7c7 | 1860 | int c, debug = 0, daemonize = 0, tnc = 0; |
6fc6879b JM |
1861 | const char *pid_file = NULL; |
1862 | ||
1863 | hostapd_logger_register_cb(hostapd_logger_cb); | |
1864 | ||
1865 | for (;;) { | |
1866 | c = getopt(argc, argv, "BdhKP:tv"); | |
1867 | if (c < 0) | |
1868 | break; | |
1869 | switch (c) { | |
1870 | case 'h': | |
1871 | usage(); | |
1872 | break; | |
1873 | case 'd': | |
1874 | debug++; | |
1875 | if (wpa_debug_level > 0) | |
1876 | wpa_debug_level--; | |
1877 | break; | |
1878 | case 'B': | |
1879 | daemonize++; | |
1880 | break; | |
1881 | case 'K': | |
1882 | wpa_debug_show_keys++; | |
1883 | break; | |
1884 | case 'P': | |
1885 | pid_file = optarg; | |
1886 | break; | |
1887 | case 't': | |
1888 | wpa_debug_timestamp++; | |
1889 | break; | |
1890 | case 'v': | |
1891 | show_version(); | |
1892 | exit(1); | |
1893 | break; | |
1894 | ||
1895 | default: | |
1896 | usage(); | |
1897 | break; | |
1898 | } | |
1899 | } | |
1900 | ||
1901 | if (optind == argc) | |
1902 | usage(); | |
1903 | ||
1904 | if (eap_server_register_methods()) { | |
1905 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
1906 | return -1; | |
1907 | } | |
1908 | ||
1909 | interfaces.count = argc - optind; | |
1910 | ||
1911 | interfaces.iface = os_malloc(interfaces.count * | |
1912 | sizeof(struct hostapd_iface *)); | |
1913 | if (interfaces.iface == NULL) { | |
1914 | wpa_printf(MSG_ERROR, "malloc failed\n"); | |
1915 | return -1; | |
1916 | } | |
1917 | ||
1918 | if (eloop_init(&interfaces)) { | |
1919 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); | |
1920 | return -1; | |
1921 | } | |
1922 | ||
1923 | #ifndef CONFIG_NATIVE_WINDOWS | |
1924 | eloop_register_signal(SIGHUP, handle_reload, NULL); | |
1925 | eloop_register_signal(SIGUSR1, handle_dump_state, NULL); | |
1926 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
1927 | eloop_register_signal_terminate(handle_term, NULL); | |
1928 | ||
1929 | /* Initialize interfaces */ | |
1930 | for (i = 0; i < interfaces.count; i++) { | |
1931 | printf("Configuration file: %s\n", argv[optind + i]); | |
1932 | interfaces.iface[i] = hostapd_init(argv[optind + i]); | |
1933 | if (!interfaces.iface[i]) | |
1934 | goto out; | |
1935 | for (k = 0; k < debug; k++) { | |
1936 | if (interfaces.iface[i]->bss[0]->conf-> | |
1937 | logger_stdout_level > 0) | |
1938 | interfaces.iface[i]->bss[0]->conf-> | |
1939 | logger_stdout_level--; | |
1940 | } | |
1941 | ||
1942 | ret = hostapd_setup_interface_start(interfaces.iface[i], | |
1943 | setup_interface_done); | |
1944 | if (ret) | |
1945 | goto out; | |
da08a7c7 JM |
1946 | |
1947 | for (k = 0; k < (int) interfaces.iface[i]->num_bss; k++) { | |
1948 | if (interfaces.iface[i]->bss[0]->conf->tnc) | |
1949 | tnc++; | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | #ifdef EAP_TNC | |
1954 | if (tnc && tncs_global_init() < 0) { | |
1955 | wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); | |
1956 | goto out; | |
6fc6879b | 1957 | } |
da08a7c7 | 1958 | #endif /* EAP_TNC */ |
6fc6879b JM |
1959 | |
1960 | if (daemonize && os_daemonize(pid_file)) { | |
1961 | perror("daemon"); | |
1962 | goto out; | |
1963 | } | |
1964 | ||
1965 | #ifndef CONFIG_NATIVE_WINDOWS | |
1966 | openlog("hostapd", 0, LOG_DAEMON); | |
1967 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
1968 | ||
1969 | eloop_run(); | |
1970 | ||
1971 | /* Disconnect associated stations from all interfaces and BSSes */ | |
1972 | for (i = 0; i < interfaces.count; i++) { | |
1973 | for (j = 0; j < interfaces.iface[i]->num_bss; j++) { | |
1974 | struct hostapd_data *hapd = | |
1975 | interfaces.iface[i]->bss[j]; | |
1976 | hostapd_free_stas(hapd); | |
1977 | hostapd_flush_old_stations(hapd); | |
1978 | } | |
1979 | } | |
1980 | ||
1981 | ret = 0; | |
1982 | ||
1983 | out: | |
1984 | /* Deinitialize all interfaces */ | |
1985 | for (i = 0; i < interfaces.count; i++) { | |
1986 | if (!interfaces.iface[i]) | |
1987 | continue; | |
1988 | hostapd_setup_interface_stop(interfaces.iface[i]); | |
1989 | hostapd_cleanup_iface_pre(interfaces.iface[i]); | |
1990 | for (j = 0; j < interfaces.iface[i]->num_bss; j++) { | |
1991 | struct hostapd_data *hapd = | |
1992 | interfaces.iface[i]->bss[j]; | |
1993 | hostapd_cleanup(hapd); | |
1994 | if (j == interfaces.iface[i]->num_bss - 1 && | |
1995 | hapd->driver) | |
1996 | hostapd_driver_deinit(hapd); | |
1997 | } | |
1998 | for (j = 0; j < interfaces.iface[i]->num_bss; j++) | |
1999 | os_free(interfaces.iface[i]->bss[j]); | |
2000 | hostapd_cleanup_iface(interfaces.iface[i]); | |
2001 | } | |
2002 | os_free(interfaces.iface); | |
2003 | ||
da08a7c7 JM |
2004 | #ifdef EAP_TNC |
2005 | tncs_global_deinit(); | |
2006 | #endif /* EAP_TNC */ | |
2007 | ||
6fc6879b JM |
2008 | eloop_destroy(); |
2009 | ||
2010 | #ifndef CONFIG_NATIVE_WINDOWS | |
2011 | closelog(); | |
2012 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
2013 | ||
2014 | eap_server_unregister_methods(); | |
2015 | ||
2016 | os_daemonize_terminate(pid_file); | |
2017 | ||
2018 | return ret; | |
2019 | } |