1 /*
2 * hostapd / main()
3 * Copyright (c) 2002-2019, 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 "common/dpp.h"
22 #include "drivers/driver.h"
23 #include "eap_server/eap.h"
24 #include "eap_server/tncs.h"
25 #include "ap/hostapd.h"
26 #include "ap/ap_config.h"
27 #include "ap/ap_drv_ops.h"
28 #include "ap/dpp_hostapd.h"
29 #include "fst/fst.h"
30 #include "config_file.h"
31 #include "eap_register.h"
32 #include "ctrl_iface.h"
33 #ifdef CONFIG_CTRL_IFACE_HIDL
34 #include "hidl.h"
35 #endif /* CONFIG_CTRL_IFACE_HIDL */
36
37 struct hapd_global {
38 void **drv_priv;
39 size_t drv_count;
40 };
41
42 static struct hapd_global global;
43
44
45 #ifndef CONFIG_NO_HOSTAPD_LOGGER
hostapd_logger_cb(void * ctx,const u8 * addr,unsigned int module,int level,const char * txt,size_t len)46 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
47 int level, const char *txt, size_t len)
48 {
49 struct hostapd_data *hapd = ctx;
50 char *format, *module_str;
51 int maxlen;
52 int conf_syslog_level, conf_stdout_level;
53 unsigned int conf_syslog, conf_stdout;
54
55 maxlen = len + 100;
56 format = os_malloc(maxlen);
57 if (!format)
58 return;
59
60 if (hapd && hapd->conf) {
61 conf_syslog_level = hapd->conf->logger_syslog_level;
62 conf_stdout_level = hapd->conf->logger_stdout_level;
63 conf_syslog = hapd->conf->logger_syslog;
64 conf_stdout = hapd->conf->logger_stdout;
65 } else {
66 conf_syslog_level = conf_stdout_level = 0;
67 conf_syslog = conf_stdout = (unsigned int) -1;
68 }
69
70 switch (module) {
71 case HOSTAPD_MODULE_IEEE80211:
72 module_str = "IEEE 802.11";
73 break;
74 case HOSTAPD_MODULE_IEEE8021X:
75 module_str = "IEEE 802.1X";
76 break;
77 case HOSTAPD_MODULE_RADIUS:
78 module_str = "RADIUS";
79 break;
80 case HOSTAPD_MODULE_WPA:
81 module_str = "WPA";
82 break;
83 case HOSTAPD_MODULE_DRIVER:
84 module_str = "DRIVER";
85 break;
86 case HOSTAPD_MODULE_IAPP:
87 module_str = "IAPP";
88 break;
89 case HOSTAPD_MODULE_MLME:
90 module_str = "MLME";
91 break;
92 default:
93 module_str = NULL;
94 break;
95 }
96
97 if (hapd && hapd->conf && addr)
98 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
99 hapd->conf->iface, MAC2STR(addr),
100 module_str ? " " : "", module_str ? module_str : "",
101 txt);
102 else if (hapd && hapd->conf)
103 os_snprintf(format, maxlen, "%s:%s%s %s",
104 hapd->conf->iface, module_str ? " " : "",
105 module_str ? module_str : "", txt);
106 else if (addr)
107 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
108 MAC2STR(addr), module_str ? " " : "",
109 module_str ? module_str : "", txt);
110 else
111 os_snprintf(format, maxlen, "%s%s%s",
112 module_str ? module_str : "",
113 module_str ? ": " : "", txt);
114
115 #ifdef CONFIG_DEBUG_SYSLOG
116 if (wpa_debug_syslog)
117 conf_stdout = 0;
118 #endif /* CONFIG_DEBUG_SYSLOG */
119 if ((conf_stdout & module) && level >= conf_stdout_level) {
120 wpa_debug_print_timestamp();
121 wpa_printf(MSG_INFO, "%s", format);
122 }
123
124 #ifndef CONFIG_NATIVE_WINDOWS
125 if ((conf_syslog & module) && level >= conf_syslog_level) {
126 int priority;
127 switch (level) {
128 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
129 case HOSTAPD_LEVEL_DEBUG:
130 priority = LOG_DEBUG;
131 break;
132 case HOSTAPD_LEVEL_INFO:
133 priority = LOG_INFO;
134 break;
135 case HOSTAPD_LEVEL_NOTICE:
136 priority = LOG_NOTICE;
137 break;
138 case HOSTAPD_LEVEL_WARNING:
139 priority = LOG_WARNING;
140 break;
141 default:
142 priority = LOG_INFO;
143 break;
144 }
145 syslog(priority, "%s", format);
146 }
147 #endif /* CONFIG_NATIVE_WINDOWS */
148
149 os_free(format);
150 }
151 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
152
153
154 /**
155 * hostapd_driver_init - Preparate driver interface
156 */
hostapd_driver_init(struct hostapd_iface * iface)157 static int hostapd_driver_init(struct hostapd_iface *iface)
158 {
159 struct wpa_init_params params;
160 size_t i;
161 struct hostapd_data *hapd = iface->bss[0];
162 struct hostapd_bss_config *conf = hapd->conf;
163 u8 *b = conf->bssid;
164 struct wpa_driver_capa capa;
165
166 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
167 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
168 return -1;
169 }
170
171 /* Initialize the driver interface */
172 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
173 b = NULL;
174
175 os_memset(¶ms, 0, sizeof(params));
176 for (i = 0; wpa_drivers[i]; i++) {
177 if (wpa_drivers[i] != hapd->driver)
178 continue;
179
180 if (global.drv_priv[i] == NULL &&
181 wpa_drivers[i]->global_init) {
182 global.drv_priv[i] =
183 wpa_drivers[i]->global_init(iface->interfaces);
184 if (global.drv_priv[i] == NULL) {
185 wpa_printf(MSG_ERROR, "Failed to initialize "
186 "driver '%s'",
187 wpa_drivers[i]->name);
188 return -1;
189 }
190 }
191
192 params.global_priv = global.drv_priv[i];
193 break;
194 }
195 params.bssid = b;
196 params.ifname = hapd->conf->iface;
197 params.driver_params = hapd->iconf->driver_params;
198 params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
199
200 params.num_bridge = hapd->iface->num_bss;
201 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
202 if (params.bridge == NULL)
203 return -1;
204 for (i = 0; i < hapd->iface->num_bss; i++) {
205 struct hostapd_data *bss = hapd->iface->bss[i];
206 if (bss->conf->bridge[0])
207 params.bridge[i] = bss->conf->bridge;
208 }
209
210 params.own_addr = hapd->own_addr;
211
212 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms);
213 os_free(params.bridge);
214 if (hapd->drv_priv == NULL) {
215 wpa_printf(MSG_ERROR, "%s driver initialization failed.",
216 hapd->driver->name);
217 hapd->driver = NULL;
218 return -1;
219 }
220
221 if (hapd->driver->get_capa &&
222 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
223 struct wowlan_triggers *triggs;
224
225 iface->drv_flags = capa.flags;
226 iface->smps_modes = capa.smps_modes;
227 iface->probe_resp_offloads = capa.probe_resp_offloads;
228 /*
229 * Use default extended capa values from per-radio information
230 */
231 iface->extended_capa = capa.extended_capa;
232 iface->extended_capa_mask = capa.extended_capa_mask;
233 iface->extended_capa_len = capa.extended_capa_len;
234 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
235
236 /*
237 * Override extended capa with per-interface type (AP), if
238 * available from the driver.
239 */
240 hostapd_get_ext_capa(iface);
241
242 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa);
243 if (triggs && hapd->driver->set_wowlan) {
244 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs))
245 wpa_printf(MSG_ERROR, "set_wowlan failed");
246 }
247 os_free(triggs);
248 }
249
250 return 0;
251 }
252
253
254 /**
255 * hostapd_interface_init - Read configuration file and init BSS data
256 *
257 * This function is used to parse configuration file for a full interface (one
258 * or more BSSes sharing the same radio) and allocate memory for the BSS
259 * interfaces. No actual driver operations are started.
260 */
261 static struct hostapd_iface *
hostapd_interface_init(struct hapd_interfaces * interfaces,const char * if_name,const char * config_fname,int debug)262 hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name,
263 const char *config_fname, int debug)
264 {
265 struct hostapd_iface *iface;
266 int k;
267
268 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
269 iface = hostapd_init(interfaces, config_fname);
270 if (!iface)
271 return NULL;
272
273 if (if_name) {
274 os_strlcpy(iface->conf->bss[0]->iface, if_name,
275 sizeof(iface->conf->bss[0]->iface));
276 }
277
278 iface->interfaces = interfaces;
279
280 for (k = 0; k < debug; k++) {
281 if (iface->bss[0]->conf->logger_stdout_level > 0)
282 iface->bss[0]->conf->logger_stdout_level--;
283 }
284
285 if (iface->conf->bss[0]->iface[0] == '\0' &&
286 !hostapd_drv_none(iface->bss[0])) {
287 wpa_printf(MSG_ERROR,
288 "Interface name not specified in %s, nor by '-i' parameter",
289 config_fname);
290 hostapd_interface_deinit_free(iface);
291 return NULL;
292 }
293
294 return iface;
295 }
296
297
298 /**
299 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
300 */
handle_term(int sig,void * signal_ctx)301 static void handle_term(int sig, void *signal_ctx)
302 {
303 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
304 eloop_terminate();
305 }
306
307
308 #ifndef CONFIG_NATIVE_WINDOWS
309
handle_reload_iface(struct hostapd_iface * iface,void * ctx)310 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
311 {
312 if (hostapd_reload_config(iface) < 0) {
313 wpa_printf(MSG_WARNING, "Failed to read new configuration "
314 "file - continuing with old.");
315 }
316 return 0;
317 }
318
319
320 /**
321 * handle_reload - SIGHUP handler to reload configuration
322 */
handle_reload(int sig,void * signal_ctx)323 static void handle_reload(int sig, void *signal_ctx)
324 {
325 struct hapd_interfaces *interfaces = signal_ctx;
326 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
327 sig);
328 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
329 }
330
331
handle_dump_state(int sig,void * signal_ctx)332 static void handle_dump_state(int sig, void *signal_ctx)
333 {
334 /* Not used anymore - ignore signal */
335 }
336 #endif /* CONFIG_NATIVE_WINDOWS */
337
338
hostapd_global_init(struct hapd_interfaces * interfaces,const char * entropy_file)339 static int hostapd_global_init(struct hapd_interfaces *interfaces,
340 const char *entropy_file)
341 {
342 int i;
343
344 os_memset(&global, 0, sizeof(global));
345
346 hostapd_logger_register_cb(hostapd_logger_cb);
347
348 if (eap_server_register_methods()) {
349 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
350 return -1;
351 }
352
353 if (eloop_init()) {
354 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
355 return -1;
356 }
357 interfaces->eloop_initialized = 1;
358
359 random_init(entropy_file);
360
361 #ifndef CONFIG_NATIVE_WINDOWS
362 eloop_register_signal(SIGHUP, handle_reload, interfaces);
363 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
364 #endif /* CONFIG_NATIVE_WINDOWS */
365 eloop_register_signal_terminate(handle_term, interfaces);
366
367 #ifndef CONFIG_NATIVE_WINDOWS
368 openlog("hostapd", 0, LOG_DAEMON);
369 #endif /* CONFIG_NATIVE_WINDOWS */
370
371 for (i = 0; wpa_drivers[i]; i++)
372 global.drv_count++;
373 if (global.drv_count == 0) {
374 wpa_printf(MSG_ERROR, "No drivers enabled");
375 return -1;
376 }
377 global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
378 if (global.drv_priv == NULL)
379 return -1;
380
381 return 0;
382 }
383
384
hostapd_global_deinit(const char * pid_file,int eloop_initialized)385 static void hostapd_global_deinit(const char *pid_file, int eloop_initialized)
386 {
387 int i;
388
389 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
390 if (!global.drv_priv[i])
391 continue;
392 wpa_drivers[i]->global_deinit(global.drv_priv[i]);
393 }
394 os_free(global.drv_priv);
395 global.drv_priv = NULL;
396
397 #ifdef EAP_SERVER_TNC
398 tncs_global_deinit();
399 #endif /* EAP_SERVER_TNC */
400
401 random_deinit();
402
403 if (eloop_initialized)
404 eloop_destroy();
405
406 #ifndef CONFIG_NATIVE_WINDOWS
407 closelog();
408 #endif /* CONFIG_NATIVE_WINDOWS */
409
410 eap_server_unregister_methods();
411
412 os_daemonize_terminate(pid_file);
413 }
414
415
hostapd_global_run(struct hapd_interfaces * ifaces,int daemonize,const char * pid_file)416 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
417 const char *pid_file)
418 {
419 #ifdef EAP_SERVER_TNC
420 int tnc = 0;
421 size_t i, k;
422
423 for (i = 0; !tnc && i < ifaces->count; i++) {
424 for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
425 if (ifaces->iface[i]->bss[0]->conf->tnc) {
426 tnc++;
427 break;
428 }
429 }
430 }
431
432 if (tnc && tncs_global_init() < 0) {
433 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
434 return -1;
435 }
436 #endif /* EAP_SERVER_TNC */
437
438 if (daemonize) {
439 if (os_daemonize(pid_file)) {
440 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
441 return -1;
442 }
443 if (eloop_sock_requeue()) {
444 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s",
445 strerror(errno));
446 return -1;
447 }
448 }
449
450 eloop_run();
451
452 return 0;
453 }
454
455
show_version(void)456 static void show_version(void)
457 {
458 fprintf(stderr,
459 "hostapd v" VERSION_STR "\n"
460 "User space daemon for IEEE 802.11 AP management,\n"
461 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
462 "Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> "
463 "and contributors\n");
464 }
465
466
usage(void)467 static void usage(void)
468 {
469 show_version();
470 fprintf(stderr,
471 "\n"
472 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
473 "\\\n"
474 " [-g <global ctrl_iface>] [-G <group>]\\\n"
475 " [-i <comma-separated list of interface names>]\\\n"
476 " <configuration file(s)>\n"
477 "\n"
478 "options:\n"
479 " -h show this usage\n"
480 " -d show more debug messages (-dd for even more)\n"
481 " -B run daemon in the background\n"
482 " -e entropy file\n"
483 " -g global control interface path\n"
484 " -G group for control interfaces\n"
485 " -P PID file\n"
486 " -K include key data in debug messages\n"
487 #ifdef CONFIG_DEBUG_FILE
488 " -f log output to debug file instead of stdout\n"
489 #endif /* CONFIG_DEBUG_FILE */
490 #ifdef CONFIG_DEBUG_LINUX_TRACING
491 " -T record to Linux tracing in addition to logging\n"
492 " (records all messages regardless of debug verbosity)\n"
493 #endif /* CONFIG_DEBUG_LINUX_TRACING */
494 " -i list of interface names to use\n"
495 #ifdef CONFIG_DEBUG_SYSLOG
496 " -s log output to syslog instead of stdout\n"
497 #endif /* CONFIG_DEBUG_SYSLOG */
498 " -S start all the interfaces synchronously\n"
499 " -t include timestamps in some debug messages\n"
500 " -v show hostapd version\n");
501
502 exit(1);
503 }
504
505
hostapd_msg_ifname_cb(void * ctx)506 static const char * hostapd_msg_ifname_cb(void *ctx)
507 {
508 struct hostapd_data *hapd = ctx;
509 if (hapd && hapd->conf)
510 return hapd->conf->iface;
511 return NULL;
512 }
513
514
hostapd_get_global_ctrl_iface(struct hapd_interfaces * interfaces,const char * path)515 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
516 const char *path)
517 {
518 #ifndef CONFIG_CTRL_IFACE_UDP
519 char *pos;
520 #endif /* !CONFIG_CTRL_IFACE_UDP */
521
522 os_free(interfaces->global_iface_path);
523 interfaces->global_iface_path = os_strdup(path);
524 if (interfaces->global_iface_path == NULL)
525 return -1;
526
527 #ifndef CONFIG_CTRL_IFACE_UDP
528 pos = os_strrchr(interfaces->global_iface_path, '/');
529 if (pos == NULL) {
530 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
531 "file");
532 os_free(interfaces->global_iface_path);
533 interfaces->global_iface_path = NULL;
534 return -1;
535 }
536
537 *pos = '\0';
538 interfaces->global_iface_name = pos + 1;
539 #endif /* !CONFIG_CTRL_IFACE_UDP */
540
541 return 0;
542 }
543
544
hostapd_get_ctrl_iface_group(struct hapd_interfaces * interfaces,const char * group)545 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
546 const char *group)
547 {
548 #ifndef CONFIG_NATIVE_WINDOWS
549 struct group *grp;
550 grp = getgrnam(group);
551 if (grp == NULL) {
552 wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
553 return -1;
554 }
555 interfaces->ctrl_iface_group = grp->gr_gid;
556 #endif /* CONFIG_NATIVE_WINDOWS */
557 return 0;
558 }
559
560
hostapd_get_interface_names(char *** if_names,size_t * if_names_size,char * arg)561 static int hostapd_get_interface_names(char ***if_names,
562 size_t *if_names_size,
563 char *arg)
564 {
565 char *if_name, *tmp, **nnames;
566 size_t i;
567
568 if (!arg)
569 return -1;
570 if_name = strtok_r(arg, ",", &tmp);
571
572 while (if_name) {
573 nnames = os_realloc_array(*if_names, 1 + *if_names_size,
574 sizeof(char *));
575 if (!nnames)
576 goto fail;
577 *if_names = nnames;
578
579 (*if_names)[*if_names_size] = os_strdup(if_name);
580 if (!(*if_names)[*if_names_size])
581 goto fail;
582 (*if_names_size)++;
583 if_name = strtok_r(NULL, ",", &tmp);
584 }
585
586 return 0;
587
588 fail:
589 for (i = 0; i < *if_names_size; i++)
590 os_free((*if_names)[i]);
591 os_free(*if_names);
592 *if_names = NULL;
593 *if_names_size = 0;
594 return -1;
595 }
596
597
598 #ifdef CONFIG_WPS
gen_uuid(const char * txt_addr)599 static int gen_uuid(const char *txt_addr)
600 {
601 u8 addr[ETH_ALEN];
602 u8 uuid[UUID_LEN];
603 char buf[100];
604
605 if (hwaddr_aton(txt_addr, addr) < 0)
606 return -1;
607
608 uuid_gen_mac_addr(addr, uuid);
609 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
610 return -1;
611
612 printf("%s\n", buf);
613
614 return 0;
615 }
616 #endif /* CONFIG_WPS */
617
618
619 #ifndef HOSTAPD_CLEANUP_INTERVAL
620 #define HOSTAPD_CLEANUP_INTERVAL 10
621 #endif /* HOSTAPD_CLEANUP_INTERVAL */
622
hostapd_periodic_call(struct hostapd_iface * iface,void * ctx)623 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
624 {
625 hostapd_periodic_iface(iface);
626 return 0;
627 }
628
629
630 /* Periodic cleanup tasks */
hostapd_periodic(void * eloop_ctx,void * timeout_ctx)631 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
632 {
633 struct hapd_interfaces *interfaces = eloop_ctx;
634
635 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
636 hostapd_periodic, interfaces, NULL);
637 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
638 }
639
640
main(int argc,char * argv[])641 int main(int argc, char *argv[])
642 {
643 struct hapd_interfaces interfaces;
644 int ret = 1;
645 size_t i, j;
646 int c, debug = 0, daemonize = 0;
647 char *pid_file = NULL;
648 const char *log_file = NULL;
649 const char *entropy_file = NULL;
650 char **bss_config = NULL, **tmp_bss;
651 size_t num_bss_configs = 0;
652 #ifdef CONFIG_DEBUG_LINUX_TRACING
653 int enable_trace_dbg = 0;
654 #endif /* CONFIG_DEBUG_LINUX_TRACING */
655 int start_ifaces_in_sync = 0;
656 char **if_names = NULL;
657 size_t if_names_size = 0;
658
659 if (os_program_init())
660 return -1;
661
662 os_memset(&interfaces, 0, sizeof(interfaces));
663 interfaces.reload_config = hostapd_reload_config;
664 interfaces.config_read_cb = hostapd_config_read;
665 interfaces.for_each_interface = hostapd_for_each_interface;
666 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
667 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
668 interfaces.driver_init = hostapd_driver_init;
669 interfaces.global_iface_path = NULL;
670 interfaces.global_iface_name = NULL;
671 interfaces.global_ctrl_sock = -1;
672 dl_list_init(&interfaces.global_ctrl_dst);
673 #ifdef CONFIG_ETH_P_OUI
674 dl_list_init(&interfaces.eth_p_oui);
675 #endif /* CONFIG_ETH_P_OUI */
676 #ifdef CONFIG_DPP
677 interfaces.dpp = dpp_global_init();
678 if (!interfaces.dpp)
679 return -1;
680 #endif /* CONFIG_DPP */
681
682 for (;;) {
683 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:");
684 if (c < 0)
685 break;
686 switch (c) {
687 case 'h':
688 usage();
689 break;
690 case 'd':
691 debug++;
692 if (wpa_debug_level > 0)
693 wpa_debug_level--;
694 break;
695 case 'B':
696 daemonize++;
697 break;
698 case 'e':
699 entropy_file = optarg;
700 break;
701 case 'f':
702 log_file = optarg;
703 break;
704 case 'K':
705 wpa_debug_show_keys++;
706 break;
707 case 'P':
708 os_free(pid_file);
709 pid_file = os_rel2abs_path(optarg);
710 break;
711 case 't':
712 wpa_debug_timestamp++;
713 break;
714 #ifdef CONFIG_DEBUG_LINUX_TRACING
715 case 'T':
716 enable_trace_dbg = 1;
717 break;
718 #endif /* CONFIG_DEBUG_LINUX_TRACING */
719 case 'v':
720 show_version();
721 exit(1);
722 break;
723 case 'g':
724 if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
725 return -1;
726 break;
727 case 'G':
728 if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
729 return -1;
730 break;
731 case 'b':
732 tmp_bss = os_realloc_array(bss_config,
733 num_bss_configs + 1,
734 sizeof(char *));
735 if (tmp_bss == NULL)
736 goto out;
737 bss_config = tmp_bss;
738 bss_config[num_bss_configs++] = optarg;
739 break;
740 #ifdef CONFIG_DEBUG_SYSLOG
741 case 's':
742 wpa_debug_syslog = 1;
743 break;
744 #endif /* CONFIG_DEBUG_SYSLOG */
745 case 'S':
746 start_ifaces_in_sync = 1;
747 break;
748 #ifdef CONFIG_WPS
749 case 'u':
750 return gen_uuid(optarg);
751 #endif /* CONFIG_WPS */
752 case 'i':
753 if (hostapd_get_interface_names(&if_names,
754 &if_names_size, optarg))
755 goto out;
756 break;
757 default:
758 usage();
759 break;
760 }
761 }
762
763 #ifndef CONFIG_CTRL_IFACE_HIDL
764 if (optind == argc && interfaces.global_iface_path == NULL &&
765 num_bss_configs == 0)
766 usage();
767 #endif
768
769 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
770
771 if (log_file)
772 wpa_debug_open_file(log_file);
773 else
774 wpa_debug_setup_stdout();
775 #ifdef CONFIG_DEBUG_SYSLOG
776 if (wpa_debug_syslog)
777 wpa_debug_open_syslog();
778 #endif /* CONFIG_DEBUG_SYSLOG */
779 #ifdef CONFIG_DEBUG_LINUX_TRACING
780 if (enable_trace_dbg) {
781 int tret = wpa_debug_open_linux_tracing();
782 if (tret) {
783 wpa_printf(MSG_ERROR, "Failed to enable trace logging");
784 return -1;
785 }
786 }
787 #endif /* CONFIG_DEBUG_LINUX_TRACING */
788
789 interfaces.count = argc - optind;
790 if (interfaces.count || num_bss_configs) {
791 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
792 sizeof(struct hostapd_iface *));
793 if (interfaces.iface == NULL) {
794 wpa_printf(MSG_ERROR, "malloc failed");
795 return -1;
796 }
797 }
798
799 if (hostapd_global_init(&interfaces, entropy_file)) {
800 wpa_printf(MSG_ERROR, "Failed to initialize global context");
801 return -1;
802 }
803
804 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
805 hostapd_periodic, &interfaces, NULL);
806
807 if (fst_global_init()) {
808 wpa_printf(MSG_ERROR,
809 "Failed to initialize global FST context");
810 goto out;
811 }
812
813 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
814 if (!fst_global_add_ctrl(fst_ctrl_cli))
815 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
816 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
817
818 /* Allocate and parse configuration for full interface files */
819 for (i = 0; i < interfaces.count; i++) {
820 char *if_name = NULL;
821
822 if (i < if_names_size)
823 if_name = if_names[i];
824
825 interfaces.iface[i] = hostapd_interface_init(&interfaces,
826 if_name,
827 argv[optind + i],
828 debug);
829 if (!interfaces.iface[i]) {
830 wpa_printf(MSG_ERROR, "Failed to initialize interface");
831 goto out;
832 }
833 if (start_ifaces_in_sync)
834 interfaces.iface[i]->need_to_start_in_sync = 1;
835 }
836
837 /* Allocate and parse configuration for per-BSS files */
838 for (i = 0; i < num_bss_configs; i++) {
839 struct hostapd_iface *iface;
840 char *fname;
841
842 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
843 fname = os_strchr(bss_config[i], ':');
844 if (fname == NULL) {
845 wpa_printf(MSG_ERROR,
846 "Invalid BSS config identifier '%s'",
847 bss_config[i]);
848 goto out;
849 }
850 *fname++ = '\0';
851 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
852 fname, debug);
853 if (iface == NULL)
854 goto out;
855 for (j = 0; j < interfaces.count; j++) {
856 if (interfaces.iface[j] == iface)
857 break;
858 }
859 if (j == interfaces.count) {
860 struct hostapd_iface **tmp;
861 tmp = os_realloc_array(interfaces.iface,
862 interfaces.count + 1,
863 sizeof(struct hostapd_iface *));
864 if (tmp == NULL) {
865 hostapd_interface_deinit_free(iface);
866 goto out;
867 }
868 interfaces.iface = tmp;
869 interfaces.iface[interfaces.count++] = iface;
870 }
871 }
872
873 /*
874 * Enable configured interfaces. Depending on channel configuration,
875 * this may complete full initialization before returning or use a
876 * callback mechanism to complete setup in case of operations like HT
877 * co-ex scans, ACS, or DFS are needed to determine channel parameters.
878 * In such case, the interface will be enabled from eloop context within
879 * hostapd_global_run().
880 */
881 interfaces.terminate_on_error = interfaces.count;
882 for (i = 0; i < interfaces.count; i++) {
883 if (hostapd_driver_init(interfaces.iface[i]) ||
884 hostapd_setup_interface(interfaces.iface[i]))
885 goto out;
886 }
887
888 #ifdef CONFIG_CTRL_IFACE_HIDL
889 if (hostapd_hidl_init(&interfaces)) {
890 wpa_printf(MSG_ERROR, "Failed to initialize HIDL interface");
891 goto out;
892 }
893 #endif /* CONFIG_CTRL_IFACE_HIDL */
894 hostapd_global_ctrl_iface_init(&interfaces);
895
896 if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
897 wpa_printf(MSG_ERROR, "Failed to start eloop");
898 goto out;
899 }
900
901 ret = 0;
902
903 out:
904 #ifdef CONFIG_CTRL_IFACE_HIDL
905 hostapd_hidl_deinit(&interfaces);
906 #endif /* CONFIG_CTRL_IFACE_HIDL */
907 hostapd_global_ctrl_iface_deinit(&interfaces);
908 /* Deinitialize all interfaces */
909 for (i = 0; i < interfaces.count; i++) {
910 if (!interfaces.iface[i])
911 continue;
912 interfaces.iface[i]->driver_ap_teardown =
913 !!(interfaces.iface[i]->drv_flags &
914 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
915 hostapd_interface_deinit_free(interfaces.iface[i]);
916 }
917 os_free(interfaces.iface);
918
919 #ifdef CONFIG_DPP
920 dpp_global_deinit(interfaces.dpp);
921 #endif /* CONFIG_DPP */
922
923 if (interfaces.eloop_initialized)
924 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
925 hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
926 os_free(pid_file);
927
928 wpa_debug_close_syslog();
929 if (log_file)
930 wpa_debug_close_file();
931 wpa_debug_close_linux_tracing();
932
933 os_free(bss_config);
934
935 for (i = 0; i < if_names_size; i++)
936 os_free(if_names[i]);
937 os_free(if_names);
938
939 fst_global_deinit();
940
941 os_program_deinit();
942
943 return ret;
944 }
945