1 /*
2 * hostapd / main()
3 * Copyright (c) 2002-2022, 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/crypto.h"
19 #include "crypto/random.h"
20 #include "crypto/tls.h"
21 #include "common/version.h"
22 #include "common/dpp.h"
23 #include "drivers/driver.h"
24 #include "eap_server/eap.h"
25 #include "eap_server/tncs.h"
26 #include "ap/hostapd.h"
27 #include "ap/ap_config.h"
28 #include "ap/ap_drv_ops.h"
29 #include "ap/dpp_hostapd.h"
30 #include "fst/fst.h"
31 #include "config_file.h"
32 #include "eap_register.h"
33 #include "ctrl_iface.h"
34 #ifdef CONFIG_CTRL_IFACE_AIDL
35 #include "aidl.h"
36 #endif /* CONFIG_CTRL_IFACE_AIDL */
37
38 struct hapd_global {
39 void **drv_priv;
40 size_t drv_count;
41 };
42
43 static struct hapd_global global;
44
45
46 #ifndef CONFIG_NO_HOSTAPD_LOGGER
hostapd_logger_cb(void * ctx,const u8 * addr,unsigned int module,int level,const char * txt,size_t len)47 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
48 int level, const char *txt, size_t len)
49 {
50 struct hostapd_data *hapd = ctx;
51 char *format, *module_str;
52 int maxlen;
53 int conf_syslog_level, conf_stdout_level;
54 unsigned int conf_syslog, conf_stdout;
55
56 maxlen = len + 100;
57 format = os_malloc(maxlen);
58 if (!format)
59 return;
60
61 if (hapd && hapd->conf) {
62 conf_syslog_level = hapd->conf->logger_syslog_level;
63 conf_stdout_level = hapd->conf->logger_stdout_level;
64 conf_syslog = hapd->conf->logger_syslog;
65 conf_stdout = hapd->conf->logger_stdout;
66 } else {
67 conf_syslog_level = conf_stdout_level = 0;
68 conf_syslog = conf_stdout = (unsigned int) -1;
69 }
70
71 switch (module) {
72 case HOSTAPD_MODULE_IEEE80211:
73 module_str = "IEEE 802.11";
74 break;
75 case HOSTAPD_MODULE_IEEE8021X:
76 module_str = "IEEE 802.1X";
77 break;
78 case HOSTAPD_MODULE_RADIUS:
79 module_str = "RADIUS";
80 break;
81 case HOSTAPD_MODULE_WPA:
82 module_str = "WPA";
83 break;
84 case HOSTAPD_MODULE_DRIVER:
85 module_str = "DRIVER";
86 break;
87 case HOSTAPD_MODULE_MLME:
88 module_str = "MLME";
89 break;
90 default:
91 module_str = NULL;
92 break;
93 }
94
95 if (hapd && hapd->conf && addr)
96 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
97 hapd->conf->iface, MAC2STR(addr),
98 module_str ? " " : "", module_str ? module_str : "",
99 txt);
100 else if (hapd && hapd->conf)
101 os_snprintf(format, maxlen, "%s:%s%s %s",
102 hapd->conf->iface, module_str ? " " : "",
103 module_str ? module_str : "", txt);
104 else if (addr)
105 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
106 MAC2STR(addr), module_str ? " " : "",
107 module_str ? module_str : "", txt);
108 else
109 os_snprintf(format, maxlen, "%s%s%s",
110 module_str ? module_str : "",
111 module_str ? ": " : "", txt);
112
113 #ifdef CONFIG_DEBUG_SYSLOG
114 if (wpa_debug_syslog)
115 conf_stdout = 0;
116 #endif /* CONFIG_DEBUG_SYSLOG */
117 if ((conf_stdout & module) && level >= conf_stdout_level) {
118 wpa_debug_print_timestamp();
119 wpa_printf(MSG_INFO, "%s", format);
120 }
121
122 #ifndef CONFIG_NATIVE_WINDOWS
123 if ((conf_syslog & module) && level >= conf_syslog_level) {
124 int priority;
125 switch (level) {
126 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
127 case HOSTAPD_LEVEL_DEBUG:
128 priority = LOG_DEBUG;
129 break;
130 case HOSTAPD_LEVEL_INFO:
131 priority = LOG_INFO;
132 break;
133 case HOSTAPD_LEVEL_NOTICE:
134 priority = LOG_NOTICE;
135 break;
136 case HOSTAPD_LEVEL_WARNING:
137 priority = LOG_WARNING;
138 break;
139 default:
140 priority = LOG_INFO;
141 break;
142 }
143 syslog(priority, "%s", format);
144 }
145 #endif /* CONFIG_NATIVE_WINDOWS */
146
147 os_free(format);
148 }
149 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
150
151
152 /**
153 * hostapd_driver_init - Preparate driver interface
154 */
hostapd_driver_init(struct hostapd_iface * iface)155 static int hostapd_driver_init(struct hostapd_iface *iface)
156 {
157 struct wpa_init_params params;
158 size_t i;
159 struct hostapd_data *hapd = iface->bss[0];
160 struct hostapd_bss_config *conf = hapd->conf;
161 u8 *b = conf->bssid;
162 struct wpa_driver_capa capa;
163
164 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
165 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
166 return -1;
167 }
168
169 /* Initialize the driver interface */
170 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
171 b = NULL;
172
173 os_memset(¶ms, 0, sizeof(params));
174 for (i = 0; wpa_drivers[i]; i++) {
175 if (wpa_drivers[i] != hapd->driver)
176 continue;
177
178 if (global.drv_priv[i] == NULL &&
179 wpa_drivers[i]->global_init) {
180 global.drv_priv[i] =
181 wpa_drivers[i]->global_init(iface->interfaces);
182 if (global.drv_priv[i] == NULL) {
183 wpa_printf(MSG_ERROR, "Failed to initialize "
184 "driver '%s'",
185 wpa_drivers[i]->name);
186 return -1;
187 }
188 }
189
190 params.global_priv = global.drv_priv[i];
191 break;
192 }
193 params.bssid = b;
194 params.ifname = hapd->conf->iface;
195 params.driver_params = hapd->iconf->driver_params;
196 params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
197
198 params.num_bridge = hapd->iface->num_bss;
199 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
200 if (params.bridge == NULL)
201 return -1;
202 for (i = 0; i < hapd->iface->num_bss; i++) {
203 struct hostapd_data *bss = hapd->iface->bss[i];
204 if (bss->conf->bridge[0])
205 params.bridge[i] = bss->conf->bridge;
206 }
207
208 params.own_addr = hapd->own_addr;
209
210 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms);
211 os_free(params.bridge);
212 if (hapd->drv_priv == NULL) {
213 wpa_printf(MSG_ERROR, "%s driver initialization failed.",
214 hapd->driver->name);
215 hapd->driver = NULL;
216 return -1;
217 }
218
219 if (hapd->driver->get_capa &&
220 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
221 struct wowlan_triggers *triggs;
222
223 iface->drv_flags = capa.flags;
224 iface->drv_flags2 = capa.flags2;
225 iface->probe_resp_offloads = capa.probe_resp_offloads;
226 /*
227 * Use default extended capa values from per-radio information
228 */
229 iface->extended_capa = capa.extended_capa;
230 iface->extended_capa_mask = capa.extended_capa_mask;
231 iface->extended_capa_len = capa.extended_capa_len;
232 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
233
234 /*
235 * Override extended capa with per-interface type (AP), if
236 * available from the driver.
237 */
238 hostapd_get_ext_capa(iface);
239
240 triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa);
241 if (triggs && hapd->driver->set_wowlan) {
242 if (hapd->driver->set_wowlan(hapd->drv_priv, triggs))
243 wpa_printf(MSG_ERROR, "set_wowlan failed");
244 }
245 os_free(triggs);
246 }
247
248 return 0;
249 }
250
251
252 /**
253 * hostapd_interface_init - Read configuration file and init BSS data
254 *
255 * This function is used to parse configuration file for a full interface (one
256 * or more BSSes sharing the same radio) and allocate memory for the BSS
257 * interfaces. No actual driver operations are started.
258 */
259 static struct hostapd_iface *
hostapd_interface_init(struct hapd_interfaces * interfaces,const char * if_name,const char * config_fname,int debug)260 hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name,
261 const char *config_fname, int debug)
262 {
263 struct hostapd_iface *iface;
264 int k;
265
266 wpa_printf(MSG_DEBUG, "Configuration file: %s", config_fname);
267 iface = hostapd_init(interfaces, config_fname);
268 if (!iface)
269 return NULL;
270
271 if (if_name) {
272 os_strlcpy(iface->conf->bss[0]->iface, if_name,
273 sizeof(iface->conf->bss[0]->iface));
274 }
275
276 iface->interfaces = interfaces;
277
278 for (k = 0; k < debug; k++) {
279 if (iface->bss[0]->conf->logger_stdout_level > 0)
280 iface->bss[0]->conf->logger_stdout_level--;
281 }
282
283 if (iface->conf->bss[0]->iface[0] == '\0' &&
284 !hostapd_drv_none(iface->bss[0])) {
285 wpa_printf(MSG_ERROR,
286 "Interface name not specified in %s, nor by '-i' parameter",
287 config_fname);
288 hostapd_interface_deinit_free(iface);
289 return NULL;
290 }
291
292 return iface;
293 }
294
295
296 /**
297 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
298 */
handle_term(int sig,void * signal_ctx)299 static void handle_term(int sig, void *signal_ctx)
300 {
301 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
302 eloop_terminate();
303 }
304
305
306 #ifndef CONFIG_NATIVE_WINDOWS
307
handle_reload_iface(struct hostapd_iface * iface,void * ctx)308 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
309 {
310 if (hostapd_reload_config(iface) < 0) {
311 wpa_printf(MSG_WARNING, "Failed to read new configuration "
312 "file - continuing with old.");
313 }
314 return 0;
315 }
316
317
318 /**
319 * handle_reload - SIGHUP handler to reload configuration
320 */
handle_reload(int sig,void * signal_ctx)321 static void handle_reload(int sig, void *signal_ctx)
322 {
323 struct hapd_interfaces *interfaces = signal_ctx;
324 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
325 sig);
326 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
327 }
328
329
handle_dump_state(int sig,void * signal_ctx)330 static void handle_dump_state(int sig, void *signal_ctx)
331 {
332 /* Not used anymore - ignore signal */
333 }
334 #endif /* CONFIG_NATIVE_WINDOWS */
335
336
hostapd_global_init(struct hapd_interfaces * interfaces,const char * entropy_file)337 static int hostapd_global_init(struct hapd_interfaces *interfaces,
338 const char *entropy_file)
339 {
340 int i;
341
342 os_memset(&global, 0, sizeof(global));
343
344 hostapd_logger_register_cb(hostapd_logger_cb);
345
346 if (eap_server_register_methods()) {
347 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
348 return -1;
349 }
350
351 if (eloop_init()) {
352 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
353 return -1;
354 }
355 interfaces->eloop_initialized = 1;
356
357 random_init(entropy_file);
358
359 #ifndef CONFIG_NATIVE_WINDOWS
360 eloop_register_signal(SIGHUP, handle_reload, interfaces);
361 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
362 #endif /* CONFIG_NATIVE_WINDOWS */
363 eloop_register_signal_terminate(handle_term, interfaces);
364
365 #ifndef CONFIG_NATIVE_WINDOWS
366 openlog("hostapd", 0, LOG_DAEMON);
367 #endif /* CONFIG_NATIVE_WINDOWS */
368
369 for (i = 0; wpa_drivers[i]; i++)
370 global.drv_count++;
371 if (global.drv_count == 0) {
372 wpa_printf(MSG_ERROR, "No drivers enabled");
373 return -1;
374 }
375 global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
376 if (global.drv_priv == NULL)
377 return -1;
378
379 return 0;
380 }
381
382
hostapd_global_deinit(const char * pid_file,int eloop_initialized)383 static void hostapd_global_deinit(const char *pid_file, int eloop_initialized)
384 {
385 int i;
386
387 for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
388 if (!global.drv_priv[i])
389 continue;
390 wpa_drivers[i]->global_deinit(global.drv_priv[i]);
391 }
392 os_free(global.drv_priv);
393 global.drv_priv = NULL;
394
395 #ifdef EAP_SERVER_TNC
396 tncs_global_deinit();
397 #endif /* EAP_SERVER_TNC */
398
399 random_deinit();
400
401 if (eloop_initialized)
402 eloop_destroy();
403
404 #ifndef CONFIG_NATIVE_WINDOWS
405 closelog();
406 #endif /* CONFIG_NATIVE_WINDOWS */
407
408 eap_server_unregister_methods();
409
410 os_daemonize_terminate(pid_file);
411 }
412
413
hostapd_global_run(struct hapd_interfaces * ifaces,int daemonize,const char * pid_file)414 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
415 const char *pid_file)
416 {
417 #ifdef EAP_SERVER_TNC
418 int tnc = 0;
419 size_t i, k;
420
421 for (i = 0; !tnc && i < ifaces->count; i++) {
422 for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
423 if (ifaces->iface[i]->bss[0]->conf->tnc) {
424 tnc++;
425 break;
426 }
427 }
428 }
429
430 if (tnc && tncs_global_init() < 0) {
431 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
432 return -1;
433 }
434 #endif /* EAP_SERVER_TNC */
435
436 if (daemonize) {
437 if (os_daemonize(pid_file)) {
438 wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
439 return -1;
440 }
441 if (eloop_sock_requeue()) {
442 wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s",
443 strerror(errno));
444 return -1;
445 }
446 }
447
448 eloop_run();
449
450 return 0;
451 }
452
453
show_version(void)454 static void show_version(void)
455 {
456 fprintf(stderr,
457 "hostapd v%s\n"
458 "User space daemon for IEEE 802.11 AP management,\n"
459 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
460 "Copyright (c) 2002-2022, Jouni Malinen <j@w1.fi> "
461 "and contributors\n",
462 VERSION_STR);
463 }
464
465
usage(void)466 static void usage(void)
467 {
468 show_version();
469 fprintf(stderr,
470 "\n"
471 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
472 "\\\n"
473 " [-g <global ctrl_iface>] [-G <group>]\\\n"
474 " [-i <comma-separated list of interface names>]\\\n"
475 " <configuration file(s)>\n"
476 "\n"
477 "options:\n"
478 " -h show this usage\n"
479 " -d show more debug messages (-dd for even more)\n"
480 " -B run daemon in the background\n"
481 " -e entropy file\n"
482 " -g global control interface path\n"
483 " -G group for control interfaces\n"
484 " -P PID file\n"
485 " -K include key data in debug messages\n"
486 #ifdef CONFIG_DEBUG_FILE
487 " -f log output to debug file instead of stdout\n"
488 #endif /* CONFIG_DEBUG_FILE */
489 #ifdef CONFIG_DEBUG_LINUX_TRACING
490 " -T record to Linux tracing in addition to logging\n"
491 " (records all messages regardless of debug verbosity)\n"
492 #endif /* CONFIG_DEBUG_LINUX_TRACING */
493 " -i list of interface names to use\n"
494 #ifdef CONFIG_DEBUG_SYSLOG
495 " -s log output to syslog instead of stdout\n"
496 #endif /* CONFIG_DEBUG_SYSLOG */
497 " -S start all the interfaces synchronously\n"
498 " -t include timestamps in some debug messages\n"
499 " -v show hostapd version\n");
500
501 exit(1);
502 }
503
504
hostapd_msg_ifname_cb(void * ctx)505 static const char * hostapd_msg_ifname_cb(void *ctx)
506 {
507 struct hostapd_data *hapd = ctx;
508 if (hapd && hapd->conf)
509 return hapd->conf->iface;
510 return NULL;
511 }
512
513
hostapd_get_global_ctrl_iface(struct hapd_interfaces * interfaces,const char * path)514 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
515 const char *path)
516 {
517 #ifndef CONFIG_CTRL_IFACE_UDP
518 char *pos;
519 #endif /* !CONFIG_CTRL_IFACE_UDP */
520
521 os_free(interfaces->global_iface_path);
522 interfaces->global_iface_path = os_strdup(path);
523 if (interfaces->global_iface_path == NULL)
524 return -1;
525
526 #ifndef CONFIG_CTRL_IFACE_UDP
527 pos = os_strrchr(interfaces->global_iface_path, '/');
528 if (pos == NULL) {
529 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
530 "file");
531 os_free(interfaces->global_iface_path);
532 interfaces->global_iface_path = NULL;
533 return -1;
534 }
535
536 *pos = '\0';
537 interfaces->global_iface_name = pos + 1;
538 #endif /* !CONFIG_CTRL_IFACE_UDP */
539
540 return 0;
541 }
542
543
hostapd_get_ctrl_iface_group(struct hapd_interfaces * interfaces,const char * group)544 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
545 const char *group)
546 {
547 #ifndef CONFIG_NATIVE_WINDOWS
548 struct group *grp;
549 grp = getgrnam(group);
550 if (grp == NULL) {
551 wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
552 return -1;
553 }
554 interfaces->ctrl_iface_group = grp->gr_gid;
555 #endif /* CONFIG_NATIVE_WINDOWS */
556 return 0;
557 }
558
559
hostapd_get_interface_names(char *** if_names,size_t * if_names_size,char * arg)560 static int hostapd_get_interface_names(char ***if_names,
561 size_t *if_names_size,
562 char *arg)
563 {
564 char *if_name, *tmp, **nnames;
565 size_t i;
566
567 if (!arg)
568 return -1;
569 if_name = strtok_r(arg, ",", &tmp);
570
571 while (if_name) {
572 nnames = os_realloc_array(*if_names, 1 + *if_names_size,
573 sizeof(char *));
574 if (!nnames)
575 goto fail;
576 *if_names = nnames;
577
578 (*if_names)[*if_names_size] = os_strdup(if_name);
579 if (!(*if_names)[*if_names_size])
580 goto fail;
581 (*if_names_size)++;
582 if_name = strtok_r(NULL, ",", &tmp);
583 }
584
585 return 0;
586
587 fail:
588 for (i = 0; i < *if_names_size; i++)
589 os_free((*if_names)[i]);
590 os_free(*if_names);
591 *if_names = NULL;
592 *if_names_size = 0;
593 return -1;
594 }
595
596
597 #ifdef CONFIG_WPS
gen_uuid(const char * txt_addr)598 static int gen_uuid(const char *txt_addr)
599 {
600 u8 addr[ETH_ALEN];
601 u8 uuid[UUID_LEN];
602 char buf[100];
603
604 if (hwaddr_aton(txt_addr, addr) < 0)
605 return -1;
606
607 uuid_gen_mac_addr(addr, uuid);
608 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
609 return -1;
610
611 printf("%s\n", buf);
612
613 return 0;
614 }
615 #endif /* CONFIG_WPS */
616
617
618 #ifndef HOSTAPD_CLEANUP_INTERVAL
619 #define HOSTAPD_CLEANUP_INTERVAL 10
620 #endif /* HOSTAPD_CLEANUP_INTERVAL */
621
hostapd_periodic_call(struct hostapd_iface * iface,void * ctx)622 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
623 {
624 hostapd_periodic_iface(iface);
625 return 0;
626 }
627
628
629 /* Periodic cleanup tasks */
hostapd_periodic(void * eloop_ctx,void * timeout_ctx)630 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
631 {
632 struct hapd_interfaces *interfaces = eloop_ctx;
633
634 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
635 hostapd_periodic, interfaces, NULL);
636 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
637 }
638
639
main(int argc,char * argv[])640 int main(int argc, char *argv[])
641 {
642 struct hapd_interfaces interfaces;
643 int ret = 1;
644 size_t i, j;
645 int c, debug = 0, daemonize = 0;
646 char *pid_file = NULL;
647 const char *log_file = NULL;
648 const char *entropy_file = NULL;
649 char **bss_config = NULL, **tmp_bss;
650 size_t num_bss_configs = 0;
651 #ifdef CONFIG_DEBUG_LINUX_TRACING
652 int enable_trace_dbg = 0;
653 #endif /* CONFIG_DEBUG_LINUX_TRACING */
654 int start_ifaces_in_sync = 0;
655 char **if_names = NULL;
656 size_t if_names_size = 0;
657 #ifdef CONFIG_DPP
658 struct dpp_global_config dpp_conf;
659 #endif /* CONFIG_DPP */
660
661 if (os_program_init())
662 return -1;
663
664 os_memset(&interfaces, 0, sizeof(interfaces));
665 interfaces.reload_config = hostapd_reload_config;
666 interfaces.config_read_cb = hostapd_config_read;
667 interfaces.for_each_interface = hostapd_for_each_interface;
668 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
669 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
670 interfaces.driver_init = hostapd_driver_init;
671 interfaces.global_iface_path = NULL;
672 interfaces.global_iface_name = NULL;
673 interfaces.global_ctrl_sock = -1;
674 dl_list_init(&interfaces.global_ctrl_dst);
675 #ifdef CONFIG_ETH_P_OUI
676 dl_list_init(&interfaces.eth_p_oui);
677 #endif /* CONFIG_ETH_P_OUI */
678 #ifdef CONFIG_DPP
679 os_memset(&dpp_conf, 0, sizeof(dpp_conf));
680 dpp_conf.cb_ctx = &interfaces;
681 #ifdef CONFIG_DPP2
682 dpp_conf.remove_bi = hostapd_dpp_remove_bi;
683 #endif /* CONFIG_DPP2 */
684 interfaces.dpp = dpp_global_init(&dpp_conf);
685 if (!interfaces.dpp)
686 return -1;
687 #endif /* CONFIG_DPP */
688
689 for (;;) {
690 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:");
691 if (c < 0)
692 break;
693 switch (c) {
694 case 'h':
695 usage();
696 break;
697 case 'd':
698 debug++;
699 if (wpa_debug_level > 0)
700 wpa_debug_level--;
701 break;
702 case 'B':
703 daemonize++;
704 break;
705 case 'e':
706 entropy_file = optarg;
707 break;
708 case 'f':
709 log_file = optarg;
710 break;
711 case 'K':
712 wpa_debug_show_keys++;
713 break;
714 case 'P':
715 os_free(pid_file);
716 pid_file = os_rel2abs_path(optarg);
717 break;
718 case 't':
719 wpa_debug_timestamp++;
720 break;
721 #ifdef CONFIG_DEBUG_LINUX_TRACING
722 case 'T':
723 enable_trace_dbg = 1;
724 break;
725 #endif /* CONFIG_DEBUG_LINUX_TRACING */
726 case 'v':
727 show_version();
728 exit(1);
729 case 'g':
730 if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
731 return -1;
732 break;
733 case 'G':
734 if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
735 return -1;
736 break;
737 case 'b':
738 tmp_bss = os_realloc_array(bss_config,
739 num_bss_configs + 1,
740 sizeof(char *));
741 if (tmp_bss == NULL)
742 goto out;
743 bss_config = tmp_bss;
744 bss_config[num_bss_configs++] = optarg;
745 break;
746 #ifdef CONFIG_DEBUG_SYSLOG
747 case 's':
748 wpa_debug_syslog = 1;
749 break;
750 #endif /* CONFIG_DEBUG_SYSLOG */
751 case 'S':
752 start_ifaces_in_sync = 1;
753 break;
754 #ifdef CONFIG_WPS
755 case 'u':
756 return gen_uuid(optarg);
757 #endif /* CONFIG_WPS */
758 case 'i':
759 if (hostapd_get_interface_names(&if_names,
760 &if_names_size, optarg))
761 goto out;
762 break;
763 default:
764 usage();
765 break;
766 }
767 }
768
769 #ifndef CONFIG_CTRL_IFACE_AIDL
770 if (optind == argc && interfaces.global_iface_path == NULL &&
771 num_bss_configs == 0)
772 usage();
773 #endif
774
775 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
776
777 if (log_file)
778 wpa_debug_open_file(log_file);
779 if (!log_file && !wpa_debug_syslog)
780 wpa_debug_setup_stdout();
781 #ifdef CONFIG_DEBUG_SYSLOG
782 if (wpa_debug_syslog)
783 wpa_debug_open_syslog();
784 #endif /* CONFIG_DEBUG_SYSLOG */
785 #ifdef CONFIG_DEBUG_LINUX_TRACING
786 if (enable_trace_dbg) {
787 int tret = wpa_debug_open_linux_tracing();
788 if (tret) {
789 wpa_printf(MSG_ERROR, "Failed to enable trace logging");
790 return -1;
791 }
792 }
793 #endif /* CONFIG_DEBUG_LINUX_TRACING */
794
795 interfaces.count = argc - optind;
796 if (interfaces.count || num_bss_configs) {
797 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
798 sizeof(struct hostapd_iface *));
799 if (interfaces.iface == NULL) {
800 wpa_printf(MSG_ERROR, "malloc failed");
801 return -1;
802 }
803 }
804
805 if (hostapd_global_init(&interfaces, entropy_file)) {
806 wpa_printf(MSG_ERROR, "Failed to initialize global context");
807 return -1;
808 }
809
810 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
811 hostapd_periodic, &interfaces, NULL);
812
813 if (fst_global_init()) {
814 wpa_printf(MSG_ERROR,
815 "Failed to initialize global FST context");
816 goto out;
817 }
818
819 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
820 if (!fst_global_add_ctrl(fst_ctrl_cli))
821 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
822 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
823
824 /* Allocate and parse configuration for full interface files */
825 for (i = 0; i < interfaces.count; i++) {
826 char *if_name = NULL;
827
828 if (i < if_names_size)
829 if_name = if_names[i];
830
831 interfaces.iface[i] = hostapd_interface_init(&interfaces,
832 if_name,
833 argv[optind + i],
834 debug);
835 if (!interfaces.iface[i]) {
836 wpa_printf(MSG_ERROR, "Failed to initialize interface");
837 goto out;
838 }
839 if (start_ifaces_in_sync)
840 interfaces.iface[i]->need_to_start_in_sync = 1;
841 }
842
843 /* Allocate and parse configuration for per-BSS files */
844 for (i = 0; i < num_bss_configs; i++) {
845 struct hostapd_iface *iface;
846 char *fname;
847
848 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
849 fname = os_strchr(bss_config[i], ':');
850 if (fname == NULL) {
851 wpa_printf(MSG_ERROR,
852 "Invalid BSS config identifier '%s'",
853 bss_config[i]);
854 goto out;
855 }
856 *fname++ = '\0';
857 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
858 fname, debug);
859 if (iface == NULL)
860 goto out;
861 for (j = 0; j < interfaces.count; j++) {
862 if (interfaces.iface[j] == iface)
863 break;
864 }
865 if (j == interfaces.count) {
866 struct hostapd_iface **tmp;
867 tmp = os_realloc_array(interfaces.iface,
868 interfaces.count + 1,
869 sizeof(struct hostapd_iface *));
870 if (tmp == NULL) {
871 hostapd_interface_deinit_free(iface);
872 goto out;
873 }
874 interfaces.iface = tmp;
875 interfaces.iface[interfaces.count++] = iface;
876 }
877 }
878
879 /*
880 * Enable configured interfaces. Depending on channel configuration,
881 * this may complete full initialization before returning or use a
882 * callback mechanism to complete setup in case of operations like HT
883 * co-ex scans, ACS, or DFS are needed to determine channel parameters.
884 * In such case, the interface will be enabled from eloop context within
885 * hostapd_global_run().
886 */
887 interfaces.terminate_on_error = interfaces.count;
888 for (i = 0; i < interfaces.count; i++) {
889 if (hostapd_driver_init(interfaces.iface[i]) ||
890 hostapd_setup_interface(interfaces.iface[i]))
891 goto out;
892 }
893
894 #ifdef CONFIG_CTRL_IFACE_AIDL
895 if (hostapd_aidl_init(&interfaces)) {
896 wpa_printf(MSG_ERROR, "Failed to initialize AIDL interface");
897 goto out;
898 }
899 #endif /* CONFIG_CTRL_IFACE_AIDL */
900 hostapd_global_ctrl_iface_init(&interfaces);
901
902 if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
903 wpa_printf(MSG_ERROR, "Failed to start eloop");
904 goto out;
905 }
906
907 ret = 0;
908
909 out:
910 #ifdef CONFIG_CTRL_IFACE_AIDL
911 hostapd_aidl_deinit(&interfaces);
912 #endif /* CONFIG_CTRL_IFACE_AIDL */
913 hostapd_global_ctrl_iface_deinit(&interfaces);
914 /* Deinitialize all interfaces */
915 for (i = 0; i < interfaces.count; i++) {
916 if (!interfaces.iface[i])
917 continue;
918 interfaces.iface[i]->driver_ap_teardown =
919 !!(interfaces.iface[i]->drv_flags &
920 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
921 hostapd_interface_deinit_free(interfaces.iface[i]);
922 interfaces.iface[i] = NULL;
923 }
924 os_free(interfaces.iface);
925 interfaces.iface = NULL;
926 interfaces.count = 0;
927
928 #ifdef CONFIG_DPP
929 dpp_global_deinit(interfaces.dpp);
930 #endif /* CONFIG_DPP */
931
932 if (interfaces.eloop_initialized)
933 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
934 hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
935 os_free(pid_file);
936
937 wpa_debug_close_syslog();
938 if (log_file)
939 wpa_debug_close_file();
940 wpa_debug_close_linux_tracing();
941
942 os_free(bss_config);
943
944 for (i = 0; i < if_names_size; i++)
945 os_free(if_names[i]);
946 os_free(if_names);
947
948 fst_global_deinit();
949
950 crypto_unload();
951 os_program_deinit();
952
953 return ret;
954 }
955