Line data Source code
1 : /*
2 : * hostapd / main()
3 : * Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi>
4 : *
5 : * This software may be distributed under the terms of the BSD license.
6 : * See README for more details.
7 : */
8 :
9 : #include "utils/includes.h"
10 : #ifndef CONFIG_NATIVE_WINDOWS
11 : #include <syslog.h>
12 : #include <grp.h>
13 : #endif /* CONFIG_NATIVE_WINDOWS */
14 :
15 : #include "utils/common.h"
16 : #include "utils/eloop.h"
17 : #include "utils/uuid.h"
18 : #include "crypto/random.h"
19 : #include "crypto/tls.h"
20 : #include "common/version.h"
21 : #include "drivers/driver.h"
22 : #include "eap_server/eap.h"
23 : #include "eap_server/tncs.h"
24 : #include "ap/hostapd.h"
25 : #include "ap/ap_config.h"
26 : #include "ap/ap_drv_ops.h"
27 : #include "fst/fst.h"
28 : #include "config_file.h"
29 : #include "eap_register.h"
30 : #include "ctrl_iface.h"
31 :
32 :
33 : struct hapd_global {
34 : void **drv_priv;
35 : size_t drv_count;
36 : };
37 :
38 : static struct hapd_global global;
39 :
40 :
41 : #ifndef CONFIG_NO_HOSTAPD_LOGGER
42 156501 : static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
43 : int level, const char *txt, size_t len)
44 : {
45 156501 : struct hostapd_data *hapd = ctx;
46 : char *format, *module_str;
47 : int maxlen;
48 : int conf_syslog_level, conf_stdout_level;
49 : unsigned int conf_syslog, conf_stdout;
50 :
51 156501 : maxlen = len + 100;
52 156501 : format = os_malloc(maxlen);
53 156501 : if (!format)
54 156547 : return;
55 :
56 156455 : if (hapd && hapd->conf) {
57 156455 : conf_syslog_level = hapd->conf->logger_syslog_level;
58 156455 : conf_stdout_level = hapd->conf->logger_stdout_level;
59 156455 : conf_syslog = hapd->conf->logger_syslog;
60 156455 : conf_stdout = hapd->conf->logger_stdout;
61 : } else {
62 0 : conf_syslog_level = conf_stdout_level = 0;
63 0 : conf_syslog = conf_stdout = (unsigned int) -1;
64 : }
65 :
66 156455 : switch (module) {
67 : case HOSTAPD_MODULE_IEEE80211:
68 25622 : module_str = "IEEE 802.11";
69 25622 : break;
70 : case HOSTAPD_MODULE_IEEE8021X:
71 43594 : module_str = "IEEE 802.1X";
72 43594 : break;
73 : case HOSTAPD_MODULE_RADIUS:
74 42896 : module_str = "RADIUS";
75 42896 : break;
76 : case HOSTAPD_MODULE_WPA:
77 20230 : module_str = "WPA";
78 20230 : break;
79 : case HOSTAPD_MODULE_DRIVER:
80 0 : module_str = "DRIVER";
81 0 : break;
82 : case HOSTAPD_MODULE_IAPP:
83 4 : module_str = "IAPP";
84 4 : break;
85 : case HOSTAPD_MODULE_MLME:
86 24109 : module_str = "MLME";
87 24109 : break;
88 : default:
89 0 : module_str = NULL;
90 0 : break;
91 : }
92 :
93 156455 : if (hapd && hapd->conf && addr)
94 995408 : os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
95 870982 : hapd->conf->iface, MAC2STR(addr),
96 : module_str ? " " : "", module_str ? module_str : "",
97 : txt);
98 32029 : else if (hapd && hapd->conf)
99 64058 : os_snprintf(format, maxlen, "%s:%s%s %s",
100 32029 : hapd->conf->iface, module_str ? " " : "",
101 : module_str ? module_str : "", txt);
102 0 : else if (addr)
103 0 : os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
104 0 : MAC2STR(addr), module_str ? " " : "",
105 : module_str ? module_str : "", txt);
106 : else
107 0 : os_snprintf(format, maxlen, "%s%s%s",
108 : module_str ? module_str : "",
109 : module_str ? ": " : "", txt);
110 :
111 156455 : if ((conf_stdout & module) && level >= conf_stdout_level) {
112 155325 : wpa_debug_print_timestamp();
113 155325 : wpa_printf(MSG_INFO, "%s", format);
114 : }
115 :
116 : #ifndef CONFIG_NATIVE_WINDOWS
117 156455 : if ((conf_syslog & module) && level >= conf_syslog_level) {
118 : int priority;
119 15728 : switch (level) {
120 : case HOSTAPD_LEVEL_DEBUG_VERBOSE:
121 : case HOSTAPD_LEVEL_DEBUG:
122 0 : priority = LOG_DEBUG;
123 0 : break;
124 : case HOSTAPD_LEVEL_INFO:
125 15203 : priority = LOG_INFO;
126 15203 : break;
127 : case HOSTAPD_LEVEL_NOTICE:
128 3 : priority = LOG_NOTICE;
129 3 : break;
130 : case HOSTAPD_LEVEL_WARNING:
131 522 : priority = LOG_WARNING;
132 522 : break;
133 : default:
134 0 : priority = LOG_INFO;
135 0 : break;
136 : }
137 15728 : syslog(priority, "%s", format);
138 : }
139 : #endif /* CONFIG_NATIVE_WINDOWS */
140 :
141 156455 : os_free(format);
142 : }
143 : #endif /* CONFIG_NO_HOSTAPD_LOGGER */
144 :
145 :
146 : /**
147 : * hostapd_driver_init - Preparate driver interface
148 : */
149 2029 : static int hostapd_driver_init(struct hostapd_iface *iface)
150 : {
151 : struct wpa_init_params params;
152 : size_t i;
153 2029 : struct hostapd_data *hapd = iface->bss[0];
154 2029 : struct hostapd_bss_config *conf = hapd->conf;
155 2029 : u8 *b = conf->bssid;
156 : struct wpa_driver_capa capa;
157 :
158 2029 : if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
159 0 : wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
160 0 : return -1;
161 : }
162 :
163 : /* Initialize the driver interface */
164 2029 : if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
165 1981 : b = NULL;
166 :
167 2029 : os_memset(¶ms, 0, sizeof(params));
168 4082 : for (i = 0; wpa_drivers[i]; i++) {
169 2041 : if (wpa_drivers[i] != hapd->driver)
170 12 : continue;
171 :
172 2051 : if (global.drv_priv[i] == NULL &&
173 22 : wpa_drivers[i]->global_init) {
174 20 : global.drv_priv[i] =
175 10 : wpa_drivers[i]->global_init(iface->interfaces);
176 10 : if (global.drv_priv[i] == NULL) {
177 0 : wpa_printf(MSG_ERROR, "Failed to initialize "
178 : "driver '%s'",
179 0 : wpa_drivers[i]->name);
180 0 : return -1;
181 : }
182 : }
183 :
184 2029 : params.global_priv = global.drv_priv[i];
185 2029 : break;
186 : }
187 2029 : params.bssid = b;
188 2029 : params.ifname = hapd->conf->iface;
189 2029 : params.driver_params = hapd->iconf->driver_params;
190 2029 : params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
191 :
192 2029 : params.num_bridge = hapd->iface->num_bss;
193 2029 : params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
194 2029 : if (params.bridge == NULL)
195 4 : return -1;
196 4059 : for (i = 0; i < hapd->iface->num_bss; i++) {
197 2034 : struct hostapd_data *bss = hapd->iface->bss[i];
198 2034 : if (bss->conf->bridge[0])
199 34 : params.bridge[i] = bss->conf->bridge;
200 : }
201 :
202 2025 : params.own_addr = hapd->own_addr;
203 :
204 2025 : hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms);
205 2025 : os_free(params.bridge);
206 2025 : if (hapd->drv_priv == NULL) {
207 9 : wpa_printf(MSG_ERROR, "%s driver initialization failed.",
208 9 : hapd->driver->name);
209 9 : hapd->driver = NULL;
210 9 : return -1;
211 : }
212 :
213 4020 : if (hapd->driver->get_capa &&
214 2004 : hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
215 : struct wowlan_triggers *triggs;
216 :
217 2004 : iface->drv_flags = capa.flags;
218 2004 : iface->smps_modes = capa.smps_modes;
219 2004 : iface->probe_resp_offloads = capa.probe_resp_offloads;
220 : /*
221 : * Use default extended capa values from per-radio information
222 : */
223 2004 : iface->extended_capa = capa.extended_capa;
224 2004 : iface->extended_capa_mask = capa.extended_capa_mask;
225 2004 : iface->extended_capa_len = capa.extended_capa_len;
226 2004 : iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
227 :
228 : /*
229 : * Override extended capa with per-interface type (AP), if
230 : * available from the driver.
231 : */
232 2004 : hostapd_get_ext_capa(iface);
233 :
234 2004 : triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa);
235 2004 : if (triggs && hapd->driver->set_wowlan) {
236 0 : if (hapd->driver->set_wowlan(hapd->drv_priv, triggs))
237 0 : wpa_printf(MSG_ERROR, "set_wowlan failed");
238 : }
239 2004 : os_free(triggs);
240 : }
241 :
242 2016 : return 0;
243 : }
244 :
245 :
246 : /**
247 : * hostapd_interface_init - Read configuration file and init BSS data
248 : *
249 : * This function is used to parse configuration file for a full interface (one
250 : * or more BSSes sharing the same radio) and allocate memory for the BSS
251 : * interfaces. No actiual driver operations are started.
252 : */
253 : static struct hostapd_iface *
254 37 : hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name,
255 : const char *config_fname, int debug)
256 : {
257 : struct hostapd_iface *iface;
258 : int k;
259 :
260 37 : wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
261 37 : iface = hostapd_init(interfaces, config_fname);
262 37 : if (!iface)
263 9 : return NULL;
264 :
265 28 : if (if_name) {
266 0 : os_strlcpy(iface->conf->bss[0]->iface, if_name,
267 : sizeof(iface->conf->bss[0]->iface));
268 : }
269 :
270 28 : iface->interfaces = interfaces;
271 :
272 100 : for (k = 0; k < debug; k++) {
273 72 : if (iface->bss[0]->conf->logger_stdout_level > 0)
274 56 : iface->bss[0]->conf->logger_stdout_level--;
275 : }
276 :
277 28 : if (iface->conf->bss[0]->iface[0] == '\0' &&
278 0 : !hostapd_drv_none(iface->bss[0])) {
279 0 : wpa_printf(MSG_ERROR,
280 : "Interface name not specified in %s, nor by '-i' parameter",
281 : config_fname);
282 0 : hostapd_interface_deinit_free(iface);
283 0 : return NULL;
284 : }
285 :
286 28 : return iface;
287 : }
288 :
289 :
290 : /**
291 : * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
292 : */
293 16 : static void handle_term(int sig, void *signal_ctx)
294 : {
295 16 : wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
296 16 : eloop_terminate();
297 16 : }
298 :
299 :
300 : #ifndef CONFIG_NATIVE_WINDOWS
301 :
302 0 : static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
303 : {
304 0 : if (hostapd_reload_config(iface) < 0) {
305 0 : wpa_printf(MSG_WARNING, "Failed to read new configuration "
306 : "file - continuing with old.");
307 : }
308 0 : return 0;
309 : }
310 :
311 :
312 : /**
313 : * handle_reload - SIGHUP handler to reload configuration
314 : */
315 0 : static void handle_reload(int sig, void *signal_ctx)
316 : {
317 0 : struct hapd_interfaces *interfaces = signal_ctx;
318 0 : wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
319 : sig);
320 0 : hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
321 0 : }
322 :
323 :
324 0 : static void handle_dump_state(int sig, void *signal_ctx)
325 : {
326 : /* Not used anymore - ignore signal */
327 0 : }
328 : #endif /* CONFIG_NATIVE_WINDOWS */
329 :
330 :
331 25 : static int hostapd_global_init(struct hapd_interfaces *interfaces,
332 : const char *entropy_file)
333 : {
334 : int i;
335 :
336 25 : os_memset(&global, 0, sizeof(global));
337 :
338 25 : hostapd_logger_register_cb(hostapd_logger_cb);
339 :
340 25 : if (eap_server_register_methods()) {
341 0 : wpa_printf(MSG_ERROR, "Failed to register EAP methods");
342 0 : return -1;
343 : }
344 :
345 25 : if (eloop_init()) {
346 0 : wpa_printf(MSG_ERROR, "Failed to initialize event loop");
347 0 : return -1;
348 : }
349 25 : interfaces->eloop_initialized = 1;
350 :
351 : random_init(entropy_file);
352 :
353 : #ifndef CONFIG_NATIVE_WINDOWS
354 25 : eloop_register_signal(SIGHUP, handle_reload, interfaces);
355 25 : eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
356 : #endif /* CONFIG_NATIVE_WINDOWS */
357 25 : eloop_register_signal_terminate(handle_term, interfaces);
358 :
359 : #ifndef CONFIG_NATIVE_WINDOWS
360 25 : openlog("hostapd", 0, LOG_DAEMON);
361 : #endif /* CONFIG_NATIVE_WINDOWS */
362 :
363 75 : for (i = 0; wpa_drivers[i]; i++)
364 50 : global.drv_count++;
365 25 : if (global.drv_count == 0) {
366 0 : wpa_printf(MSG_ERROR, "No drivers enabled");
367 0 : return -1;
368 : }
369 25 : global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
370 25 : if (global.drv_priv == NULL)
371 0 : return -1;
372 :
373 25 : return 0;
374 : }
375 :
376 :
377 25 : static void hostapd_global_deinit(const char *pid_file, int eloop_initialized)
378 : {
379 : int i;
380 :
381 75 : for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
382 50 : if (!global.drv_priv[i])
383 40 : continue;
384 10 : wpa_drivers[i]->global_deinit(global.drv_priv[i]);
385 : }
386 25 : os_free(global.drv_priv);
387 25 : global.drv_priv = NULL;
388 :
389 : #ifdef EAP_SERVER_TNC
390 25 : tncs_global_deinit();
391 : #endif /* EAP_SERVER_TNC */
392 :
393 : random_deinit();
394 :
395 25 : if (eloop_initialized)
396 25 : eloop_destroy();
397 :
398 : #ifndef CONFIG_NATIVE_WINDOWS
399 25 : closelog();
400 : #endif /* CONFIG_NATIVE_WINDOWS */
401 :
402 25 : eap_server_unregister_methods();
403 :
404 25 : os_daemonize_terminate(pid_file);
405 25 : }
406 :
407 :
408 16 : static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
409 : const char *pid_file)
410 : {
411 : #ifdef EAP_SERVER_TNC
412 16 : int tnc = 0;
413 : size_t i, k;
414 :
415 35 : for (i = 0; !tnc && i < ifaces->count; i++) {
416 38 : for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
417 19 : if (ifaces->iface[i]->bss[0]->conf->tnc) {
418 0 : tnc++;
419 0 : break;
420 : }
421 : }
422 : }
423 :
424 16 : if (tnc && tncs_global_init() < 0) {
425 0 : wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
426 0 : return -1;
427 : }
428 : #endif /* EAP_SERVER_TNC */
429 :
430 16 : if (daemonize) {
431 4 : if (os_daemonize(pid_file)) {
432 0 : wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
433 0 : return -1;
434 : }
435 4 : if (eloop_sock_requeue()) {
436 0 : wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s",
437 0 : strerror(errno));
438 0 : return -1;
439 : }
440 : }
441 :
442 16 : eloop_run();
443 :
444 16 : return 0;
445 : }
446 :
447 :
448 24 : static void show_version(void)
449 : {
450 24 : fprintf(stderr,
451 : "hostapd v" VERSION_STR "\n"
452 : "User space daemon for IEEE 802.11 AP management,\n"
453 : "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
454 : "Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> "
455 : "and contributors\n");
456 24 : }
457 :
458 :
459 18 : static void usage(void)
460 : {
461 18 : show_version();
462 18 : fprintf(stderr,
463 : "\n"
464 : "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
465 : "\\\n"
466 : " [-g <global ctrl_iface>] [-G <group>]\\\n"
467 : " [-i <comma-separated list of interface names>]\\\n"
468 : " <configuration file(s)>\n"
469 : "\n"
470 : "options:\n"
471 : " -h show this usage\n"
472 : " -d show more debug messages (-dd for even more)\n"
473 : " -B run daemon in the background\n"
474 : " -e entropy file\n"
475 : " -g global control interface path\n"
476 : " -G group for control interfaces\n"
477 : " -P PID file\n"
478 : " -K include key data in debug messages\n"
479 : #ifdef CONFIG_DEBUG_FILE
480 : " -f log output to debug file instead of stdout\n"
481 : #endif /* CONFIG_DEBUG_FILE */
482 : #ifdef CONFIG_DEBUG_LINUX_TRACING
483 : " -T = record to Linux tracing in addition to logging\n"
484 : " (records all messages regardless of debug verbosity)\n"
485 : #endif /* CONFIG_DEBUG_LINUX_TRACING */
486 : " -i list of interface names to use\n"
487 : " -S start all the interfaces synchronously\n"
488 : " -t include timestamps in some debug messages\n"
489 : " -v show hostapd version\n");
490 :
491 18 : exit(1);
492 : }
493 :
494 :
495 119019 : static const char * hostapd_msg_ifname_cb(void *ctx)
496 : {
497 119019 : struct hostapd_data *hapd = ctx;
498 119019 : if (hapd && hapd->conf)
499 119019 : return hapd->conf->iface;
500 0 : return NULL;
501 : }
502 :
503 :
504 25 : static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
505 : const char *path)
506 : {
507 : #ifndef CONFIG_CTRL_IFACE_UDP
508 : char *pos;
509 : #endif /* !CONFIG_CTRL_IFACE_UDP */
510 :
511 25 : os_free(interfaces->global_iface_path);
512 25 : interfaces->global_iface_path = os_strdup(path);
513 25 : if (interfaces->global_iface_path == NULL)
514 0 : return -1;
515 :
516 : #ifndef CONFIG_CTRL_IFACE_UDP
517 25 : pos = os_strrchr(interfaces->global_iface_path, '/');
518 25 : if (pos == NULL) {
519 6 : wpa_printf(MSG_ERROR, "No '/' in the global control interface "
520 : "file");
521 6 : os_free(interfaces->global_iface_path);
522 6 : interfaces->global_iface_path = NULL;
523 6 : return -1;
524 : }
525 :
526 19 : *pos = '\0';
527 19 : interfaces->global_iface_name = pos + 1;
528 : #endif /* !CONFIG_CTRL_IFACE_UDP */
529 :
530 19 : return 0;
531 : }
532 :
533 :
534 12 : static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
535 : const char *group)
536 : {
537 : #ifndef CONFIG_NATIVE_WINDOWS
538 : struct group *grp;
539 12 : grp = getgrnam(group);
540 12 : if (grp == NULL) {
541 6 : wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
542 6 : return -1;
543 : }
544 6 : interfaces->ctrl_iface_group = grp->gr_gid;
545 : #endif /* CONFIG_NATIVE_WINDOWS */
546 6 : return 0;
547 : }
548 :
549 :
550 0 : static int hostapd_get_interface_names(char ***if_names,
551 : size_t *if_names_size,
552 : char *optarg)
553 : {
554 : char *if_name, *tmp, **nnames;
555 : size_t i;
556 :
557 0 : if (!optarg)
558 0 : return -1;
559 0 : if_name = strtok_r(optarg, ",", &tmp);
560 :
561 0 : while (if_name) {
562 0 : nnames = os_realloc_array(*if_names, 1 + *if_names_size,
563 : sizeof(char *));
564 0 : if (!nnames)
565 0 : goto fail;
566 0 : *if_names = nnames;
567 :
568 0 : (*if_names)[*if_names_size] = os_strdup(if_name);
569 0 : if (!(*if_names)[*if_names_size])
570 0 : goto fail;
571 0 : (*if_names_size)++;
572 0 : if_name = strtok_r(NULL, ",", &tmp);
573 : }
574 :
575 0 : return 0;
576 :
577 : fail:
578 0 : for (i = 0; i < *if_names_size; i++)
579 0 : os_free((*if_names)[i]);
580 0 : os_free(*if_names);
581 0 : *if_names = NULL;
582 0 : *if_names_size = 0;
583 0 : return -1;
584 : }
585 :
586 :
587 : #ifdef CONFIG_WPS
588 12 : static int gen_uuid(const char *txt_addr)
589 : {
590 : u8 addr[ETH_ALEN];
591 : u8 uuid[UUID_LEN];
592 : char buf[100];
593 :
594 12 : if (hwaddr_aton(txt_addr, addr) < 0)
595 6 : return -1;
596 :
597 6 : uuid_gen_mac_addr(addr, uuid);
598 6 : if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
599 0 : return -1;
600 :
601 6 : printf("%s\n", buf);
602 :
603 6 : return 0;
604 : }
605 : #endif /* CONFIG_WPS */
606 :
607 :
608 : #ifndef HOSTAPD_CLEANUP_INTERVAL
609 : #define HOSTAPD_CLEANUP_INTERVAL 10
610 : #endif /* HOSTAPD_CLEANUP_INTERVAL */
611 :
612 1993 : static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
613 : {
614 1993 : hostapd_periodic_iface(iface);
615 1993 : return 0;
616 : }
617 :
618 :
619 : /* Periodic cleanup tasks */
620 1456 : static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
621 : {
622 1456 : struct hapd_interfaces *interfaces = eloop_ctx;
623 :
624 1456 : eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
625 : hostapd_periodic, interfaces, NULL);
626 1456 : hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
627 1456 : }
628 :
629 :
630 73 : int main(int argc, char *argv[])
631 : {
632 : struct hapd_interfaces interfaces;
633 73 : int ret = 1;
634 : size_t i, j;
635 73 : int c, debug = 0, daemonize = 0;
636 73 : char *pid_file = NULL;
637 73 : const char *log_file = NULL;
638 73 : const char *entropy_file = NULL;
639 73 : char **bss_config = NULL, **tmp_bss;
640 73 : size_t num_bss_configs = 0;
641 : #ifdef CONFIG_DEBUG_LINUX_TRACING
642 73 : int enable_trace_dbg = 0;
643 : #endif /* CONFIG_DEBUG_LINUX_TRACING */
644 73 : int start_ifaces_in_sync = 0;
645 73 : char **if_names = NULL;
646 73 : size_t if_names_size = 0;
647 :
648 73 : if (os_program_init())
649 0 : return -1;
650 :
651 73 : os_memset(&interfaces, 0, sizeof(interfaces));
652 73 : interfaces.reload_config = hostapd_reload_config;
653 73 : interfaces.config_read_cb = hostapd_config_read;
654 73 : interfaces.for_each_interface = hostapd_for_each_interface;
655 73 : interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
656 73 : interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
657 73 : interfaces.driver_init = hostapd_driver_init;
658 73 : interfaces.global_iface_path = NULL;
659 73 : interfaces.global_iface_name = NULL;
660 73 : interfaces.global_ctrl_sock = -1;
661 73 : dl_list_init(&interfaces.global_ctrl_dst);
662 :
663 : for (;;) {
664 273 : c = getopt(argc, argv, "b:Bde:f:hi:KP:STtu:vg:G:");
665 273 : if (c < 0)
666 31 : break;
667 242 : switch (c) {
668 : case 'h':
669 6 : usage();
670 0 : break;
671 : case 'd':
672 63 : debug++;
673 63 : if (wpa_debug_level > 0)
674 63 : wpa_debug_level--;
675 63 : break;
676 : case 'B':
677 19 : daemonize++;
678 19 : break;
679 : case 'e':
680 6 : entropy_file = optarg;
681 6 : break;
682 : case 'f':
683 19 : log_file = optarg;
684 19 : break;
685 : case 'K':
686 12 : wpa_debug_show_keys++;
687 12 : break;
688 : case 'P':
689 19 : os_free(pid_file);
690 19 : pid_file = os_rel2abs_path(optarg);
691 19 : break;
692 : case 't':
693 25 : wpa_debug_timestamp++;
694 25 : break;
695 : #ifdef CONFIG_DEBUG_LINUX_TRACING
696 : case 'T':
697 6 : enable_trace_dbg = 1;
698 6 : break;
699 : #endif /* CONFIG_DEBUG_LINUX_TRACING */
700 : case 'v':
701 6 : show_version();
702 6 : exit(1);
703 : break;
704 : case 'g':
705 25 : if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
706 6 : return -1;
707 19 : break;
708 : case 'G':
709 12 : if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
710 6 : return -1;
711 6 : break;
712 : case 'b':
713 6 : tmp_bss = os_realloc_array(bss_config,
714 : num_bss_configs + 1,
715 : sizeof(char *));
716 6 : if (tmp_bss == NULL)
717 0 : goto out;
718 6 : bss_config = tmp_bss;
719 6 : bss_config[num_bss_configs++] = optarg;
720 6 : break;
721 : case 'S':
722 0 : start_ifaces_in_sync = 1;
723 0 : break;
724 : #ifdef CONFIG_WPS
725 : case 'u':
726 12 : return gen_uuid(optarg);
727 : #endif /* CONFIG_WPS */
728 : case 'i':
729 0 : if (hostapd_get_interface_names(&if_names,
730 : &if_names_size, optarg))
731 0 : goto out;
732 0 : break;
733 : default:
734 6 : usage();
735 0 : break;
736 : }
737 200 : }
738 :
739 31 : if (optind == argc && interfaces.global_iface_path == NULL &&
740 : num_bss_configs == 0)
741 6 : usage();
742 :
743 25 : wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
744 :
745 25 : if (log_file)
746 19 : wpa_debug_open_file(log_file);
747 : else
748 6 : wpa_debug_setup_stdout();
749 : #ifdef CONFIG_DEBUG_LINUX_TRACING
750 25 : if (enable_trace_dbg) {
751 0 : int tret = wpa_debug_open_linux_tracing();
752 0 : if (tret) {
753 0 : wpa_printf(MSG_ERROR, "Failed to enable trace logging");
754 0 : return -1;
755 : }
756 : }
757 : #endif /* CONFIG_DEBUG_LINUX_TRACING */
758 :
759 25 : interfaces.count = argc - optind;
760 25 : if (interfaces.count || num_bss_configs) {
761 19 : interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
762 : sizeof(struct hostapd_iface *));
763 19 : if (interfaces.iface == NULL) {
764 0 : wpa_printf(MSG_ERROR, "malloc failed");
765 0 : return -1;
766 : }
767 : }
768 :
769 25 : if (hostapd_global_init(&interfaces, entropy_file)) {
770 0 : wpa_printf(MSG_ERROR, "Failed to initialize global context");
771 0 : return -1;
772 : }
773 :
774 25 : eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
775 : hostapd_periodic, &interfaces, NULL);
776 :
777 25 : if (fst_global_init()) {
778 0 : wpa_printf(MSG_ERROR,
779 : "Failed to initialize global FST context");
780 0 : goto out;
781 : }
782 :
783 : #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
784 25 : if (!fst_global_add_ctrl(fst_ctrl_cli))
785 0 : wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
786 : #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
787 :
788 : /* Allocate and parse configuration for full interface files */
789 53 : for (i = 0; i < interfaces.count; i++) {
790 37 : char *if_name = NULL;
791 :
792 37 : if (i < if_names_size)
793 0 : if_name = if_names[i];
794 :
795 74 : interfaces.iface[i] = hostapd_interface_init(&interfaces,
796 : if_name,
797 37 : argv[optind + i],
798 : debug);
799 37 : if (!interfaces.iface[i]) {
800 9 : wpa_printf(MSG_ERROR, "Failed to initialize interface");
801 9 : goto out;
802 : }
803 28 : if (start_ifaces_in_sync)
804 0 : interfaces.iface[i]->need_to_start_in_sync = 1;
805 : }
806 :
807 : /* Allocate and parse configuration for per-BSS files */
808 16 : for (i = 0; i < num_bss_configs; i++) {
809 : struct hostapd_iface *iface;
810 : char *fname;
811 :
812 0 : wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
813 0 : fname = os_strchr(bss_config[i], ':');
814 0 : if (fname == NULL) {
815 0 : wpa_printf(MSG_ERROR,
816 : "Invalid BSS config identifier '%s'",
817 0 : bss_config[i]);
818 0 : goto out;
819 : }
820 0 : *fname++ = '\0';
821 0 : iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
822 : fname, debug);
823 0 : if (iface == NULL)
824 0 : goto out;
825 0 : for (j = 0; j < interfaces.count; j++) {
826 0 : if (interfaces.iface[j] == iface)
827 0 : break;
828 : }
829 0 : if (j == interfaces.count) {
830 : struct hostapd_iface **tmp;
831 0 : tmp = os_realloc_array(interfaces.iface,
832 0 : interfaces.count + 1,
833 : sizeof(struct hostapd_iface *));
834 0 : if (tmp == NULL) {
835 0 : hostapd_interface_deinit_free(iface);
836 0 : goto out;
837 : }
838 0 : interfaces.iface = tmp;
839 0 : interfaces.iface[interfaces.count++] = iface;
840 : }
841 : }
842 :
843 : /*
844 : * Enable configured interfaces. Depending on channel configuration,
845 : * this may complete full initialization before returning or use a
846 : * callback mechanism to complete setup in case of operations like HT
847 : * co-ex scans, ACS, or DFS are needed to determine channel parameters.
848 : * In such case, the interface will be enabled from eloop context within
849 : * hostapd_global_run().
850 : */
851 16 : interfaces.terminate_on_error = interfaces.count;
852 35 : for (i = 0; i < interfaces.count; i++) {
853 38 : if (hostapd_driver_init(interfaces.iface[i]) ||
854 19 : hostapd_setup_interface(interfaces.iface[i]))
855 : goto out;
856 : }
857 :
858 16 : hostapd_global_ctrl_iface_init(&interfaces);
859 :
860 16 : if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
861 0 : wpa_printf(MSG_ERROR, "Failed to start eloop");
862 0 : goto out;
863 : }
864 :
865 16 : ret = 0;
866 :
867 : out:
868 25 : hostapd_global_ctrl_iface_deinit(&interfaces);
869 : /* Deinitialize all interfaces */
870 62 : for (i = 0; i < interfaces.count; i++) {
871 37 : if (!interfaces.iface[i])
872 9 : continue;
873 56 : interfaces.iface[i]->driver_ap_teardown =
874 28 : !!(interfaces.iface[i]->drv_flags &
875 : WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
876 28 : hostapd_interface_deinit_free(interfaces.iface[i]);
877 : }
878 25 : os_free(interfaces.iface);
879 :
880 25 : if (interfaces.eloop_initialized)
881 25 : eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
882 25 : hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
883 25 : os_free(pid_file);
884 :
885 25 : if (log_file)
886 19 : wpa_debug_close_file();
887 25 : wpa_debug_close_linux_tracing();
888 :
889 25 : os_free(bss_config);
890 :
891 25 : for (i = 0; i < if_names_size; i++)
892 0 : os_free(if_names[i]);
893 25 : os_free(if_names);
894 :
895 25 : fst_global_deinit();
896 :
897 25 : os_program_deinit();
898 :
899 25 : return ret;
900 : }
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