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
34
35 struct hapd_global {
36 void **drv_priv;
37 size_t drv_count;
38 };
39
40 static struct hapd_global global;
41
42
43 #ifndef CONFIG_NO_HOSTAPD_LOGGER
hostapd_logger_cb(void * ctx,const u8 * addr,unsigned int module,int level,const char * txt,size_t len)44 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
45 int level, const char *txt, size_t len)
46 {
47 struct hostapd_data *hapd = ctx;
48 char *format, *module_str;
49 int maxlen;
50 int conf_syslog_level, conf_stdout_level;
51 unsigned int conf_syslog, conf_stdout;
52
53 maxlen = len + 100;
54 format = os_malloc(maxlen);
55 if (!format)
56 return;
57
58 if (hapd && hapd->conf) {
59 conf_syslog_level = hapd->conf->logger_syslog_level;
60 conf_stdout_level = hapd->conf->logger_stdout_level;
61 conf_syslog = hapd->conf->logger_syslog;
62 conf_stdout = hapd->conf->logger_stdout;
63 } else {
64 conf_syslog_level = conf_stdout_level = 0;
65 conf_syslog = conf_stdout = (unsigned int) -1;
66 }
67
68 switch (module) {
69 case HOSTAPD_MODULE_IEEE80211:
70 module_str = "IEEE 802.11";
71 break;
72 case HOSTAPD_MODULE_IEEE8021X:
73 module_str = "IEEE 802.1X";
74 break;
75 case HOSTAPD_MODULE_RADIUS:
76 module_str = "RADIUS";
77 break;
78 case HOSTAPD_MODULE_WPA:
79 module_str = "WPA";
80 break;
81 case HOSTAPD_MODULE_DRIVER:
82 module_str = "DRIVER";
83 break;
84 case HOSTAPD_MODULE_IAPP:
85 module_str = "IAPP";
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->smps_modes = capa.smps_modes;
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_ERROR, "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" VERSION_STR "\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) 2002-2019, Jouni Malinen <j@w1.fi> "
461 "and contributors\n");
462 }
463
464
usage(void)465 static void usage(void)
466 {
467 show_version();
468 fprintf(stderr,
469 "\n"
470 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
471 "\\\n"
472 " [-g <global ctrl_iface>] [-G <group>]\\\n"
473 " [-i <comma-separated list of interface names>]\\\n"
474 " <configuration file(s)>\n"
475 "\n"
476 "options:\n"
477 " -h show this usage\n"
478 " -d show more debug messages (-dd for even more)\n"
479 " -B run daemon in the background\n"
480 " -e entropy file\n"
481 " -g global control interface path\n"
482 " -G group for control interfaces\n"
483 " -P PID file\n"
484 " -K include key data in debug messages\n"
485 #ifdef CONFIG_DEBUG_FILE
486 " -f log output to debug file instead of stdout\n"
487 #endif /* CONFIG_DEBUG_FILE */
488 #ifdef CONFIG_DEBUG_LINUX_TRACING
489 " -T record to Linux tracing in addition to logging\n"
490 " (records all messages regardless of debug verbosity)\n"
491 #endif /* CONFIG_DEBUG_LINUX_TRACING */
492 " -i list of interface names to use\n"
493 #ifdef CONFIG_DEBUG_SYSLOG
494 " -s log output to syslog instead of stdout\n"
495 #endif /* CONFIG_DEBUG_SYSLOG */
496 " -S start all the interfaces synchronously\n"
497 " -t include timestamps in some debug messages\n"
498 " -v show hostapd version\n");
499
500 exit(1);
501 }
502
503
hostapd_msg_ifname_cb(void * ctx)504 static const char * hostapd_msg_ifname_cb(void *ctx)
505 {
506 struct hostapd_data *hapd = ctx;
507 if (hapd && hapd->conf)
508 return hapd->conf->iface;
509 return NULL;
510 }
511
512
hostapd_get_global_ctrl_iface(struct hapd_interfaces * interfaces,const char * path)513 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
514 const char *path)
515 {
516 #ifndef CONFIG_CTRL_IFACE_UDP
517 char *pos;
518 #endif /* !CONFIG_CTRL_IFACE_UDP */
519
520 os_free(interfaces->global_iface_path);
521 interfaces->global_iface_path = os_strdup(path);
522 if (interfaces->global_iface_path == NULL)
523 return -1;
524
525 #ifndef CONFIG_CTRL_IFACE_UDP
526 pos = os_strrchr(interfaces->global_iface_path, '/');
527 if (pos == NULL) {
528 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
529 "file");
530 os_free(interfaces->global_iface_path);
531 interfaces->global_iface_path = NULL;
532 return -1;
533 }
534
535 *pos = '\0';
536 interfaces->global_iface_name = pos + 1;
537 #endif /* !CONFIG_CTRL_IFACE_UDP */
538
539 return 0;
540 }
541
542
hostapd_get_ctrl_iface_group(struct hapd_interfaces * interfaces,const char * group)543 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
544 const char *group)
545 {
546 #ifndef CONFIG_NATIVE_WINDOWS
547 struct group *grp;
548 grp = getgrnam(group);
549 if (grp == NULL) {
550 wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
551 return -1;
552 }
553 interfaces->ctrl_iface_group = grp->gr_gid;
554 #endif /* CONFIG_NATIVE_WINDOWS */
555 return 0;
556 }
557
558
hostapd_get_interface_names(char *** if_names,size_t * if_names_size,char * arg)559 static int hostapd_get_interface_names(char ***if_names,
560 size_t *if_names_size,
561 char *arg)
562 {
563 char *if_name, *tmp, **nnames;
564 size_t i;
565
566 if (!arg)
567 return -1;
568 if_name = strtok_r(arg, ",", &tmp);
569
570 while (if_name) {
571 nnames = os_realloc_array(*if_names, 1 + *if_names_size,
572 sizeof(char *));
573 if (!nnames)
574 goto fail;
575 *if_names = nnames;
576
577 (*if_names)[*if_names_size] = os_strdup(if_name);
578 if (!(*if_names)[*if_names_size])
579 goto fail;
580 (*if_names_size)++;
581 if_name = strtok_r(NULL, ",", &tmp);
582 }
583
584 return 0;
585
586 fail:
587 for (i = 0; i < *if_names_size; i++)
588 os_free((*if_names)[i]);
589 os_free(*if_names);
590 *if_names = NULL;
591 *if_names_size = 0;
592 return -1;
593 }
594
595
596 #ifdef CONFIG_WPS
gen_uuid(const char * txt_addr)597 static int gen_uuid(const char *txt_addr)
598 {
599 u8 addr[ETH_ALEN];
600 u8 uuid[UUID_LEN];
601 char buf[100];
602
603 if (hwaddr_aton(txt_addr, addr) < 0)
604 return -1;
605
606 uuid_gen_mac_addr(addr, uuid);
607 if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0)
608 return -1;
609
610 printf("%s\n", buf);
611
612 return 0;
613 }
614 #endif /* CONFIG_WPS */
615
616
617 #ifndef HOSTAPD_CLEANUP_INTERVAL
618 #define HOSTAPD_CLEANUP_INTERVAL 10
619 #endif /* HOSTAPD_CLEANUP_INTERVAL */
620
hostapd_periodic_call(struct hostapd_iface * iface,void * ctx)621 static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
622 {
623 hostapd_periodic_iface(iface);
624 return 0;
625 }
626
627
628 /* Periodic cleanup tasks */
hostapd_periodic(void * eloop_ctx,void * timeout_ctx)629 static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
630 {
631 struct hapd_interfaces *interfaces = eloop_ctx;
632
633 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
634 hostapd_periodic, interfaces, NULL);
635 hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
636 }
637
638 void set_running_hostap();
639
ap_main(int argc,char * argv[])640 __attribute__ ((visibility ("default"))) int ap_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 optind = 1;
662 set_running_hostap();
663
664 if (os_program_init())
665 return -1;
666
667 os_memset(&interfaces, 0, sizeof(interfaces));
668 interfaces.reload_config = hostapd_reload_config;
669 interfaces.config_read_cb = hostapd_config_read;
670 interfaces.for_each_interface = hostapd_for_each_interface;
671 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
672 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
673 interfaces.driver_init = hostapd_driver_init;
674 interfaces.global_iface_path = NULL;
675 interfaces.global_iface_name = NULL;
676 interfaces.global_ctrl_sock = -1;
677 dl_list_init(&interfaces.global_ctrl_dst);
678 #ifdef CONFIG_ETH_P_OUI
679 dl_list_init(&interfaces.eth_p_oui);
680 #endif /* CONFIG_ETH_P_OUI */
681 #ifdef CONFIG_DPP
682 os_memset(&dpp_conf, 0, sizeof(dpp_conf));
683 /* TODO: dpp_conf.msg_ctx? */
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 break;
730 case 'g':
731 if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
732 return -1;
733 break;
734 case 'G':
735 if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
736 return -1;
737 break;
738 case 'b':
739 tmp_bss = os_realloc_array(bss_config,
740 num_bss_configs + 1,
741 sizeof(char *));
742 if (tmp_bss == NULL)
743 goto out;
744 bss_config = tmp_bss;
745 bss_config[num_bss_configs++] = optarg;
746 break;
747 #ifdef CONFIG_DEBUG_SYSLOG
748 case 's':
749 wpa_debug_syslog = 1;
750 break;
751 #endif /* CONFIG_DEBUG_SYSLOG */
752 case 'S':
753 start_ifaces_in_sync = 1;
754 break;
755 #ifdef CONFIG_WPS
756 case 'u':
757 return gen_uuid(optarg);
758 #endif /* CONFIG_WPS */
759 case 'i':
760 if (hostapd_get_interface_names(&if_names,
761 &if_names_size, optarg))
762 goto out;
763 break;
764 default:
765 usage();
766 break;
767 }
768 }
769
770 if (optind == argc && interfaces.global_iface_path == NULL &&
771 num_bss_configs == 0)
772 usage();
773
774 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
775
776 if (log_file)
777 wpa_debug_open_file(log_file);
778 else
779 wpa_debug_setup_stdout();
780 #ifdef CONFIG_DEBUG_SYSLOG
781 if (wpa_debug_syslog)
782 wpa_debug_open_syslog();
783 #endif /* CONFIG_DEBUG_SYSLOG */
784 #ifdef CONFIG_DEBUG_LINUX_TRACING
785 if (enable_trace_dbg) {
786 int tret = wpa_debug_open_linux_tracing();
787 if (tret) {
788 wpa_printf(MSG_ERROR, "Failed to enable trace logging");
789 return -1;
790 }
791 }
792 #endif /* CONFIG_DEBUG_LINUX_TRACING */
793
794 interfaces.count = argc - optind;
795 if (interfaces.count || num_bss_configs) {
796 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
797 sizeof(struct hostapd_iface *));
798 if (interfaces.iface == NULL) {
799 wpa_printf(MSG_ERROR, "malloc failed");
800 return -1;
801 }
802 }
803
804 if (hostapd_global_init(&interfaces, entropy_file)) {
805 wpa_printf(MSG_ERROR, "Failed to initialize global context");
806 return -1;
807 }
808
809 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
810 hostapd_periodic, &interfaces, NULL);
811
812 if (fst_global_init()) {
813 wpa_printf(MSG_ERROR,
814 "Failed to initialize global FST context");
815 goto out;
816 }
817
818 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
819 if (!fst_global_add_ctrl(fst_ctrl_cli))
820 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
821 #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
822
823 /* Allocate and parse configuration for full interface files */
824 for (i = 0; i < interfaces.count; i++) {
825 char *if_name = NULL;
826
827 if (i < if_names_size)
828 if_name = if_names[i];
829
830 interfaces.iface[i] = hostapd_interface_init(&interfaces,
831 if_name,
832 argv[optind + i],
833 debug);
834 if (!interfaces.iface[i]) {
835 wpa_printf(MSG_ERROR, "Failed to initialize interface");
836 goto out;
837 }
838 if (start_ifaces_in_sync)
839 interfaces.iface[i]->need_to_start_in_sync = 1;
840 }
841
842 /* Allocate and parse configuration for per-BSS files */
843 for (i = 0; i < num_bss_configs; i++) {
844 struct hostapd_iface *iface;
845 char *fname;
846
847 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
848 fname = os_strchr(bss_config[i], ':');
849 if (fname == NULL) {
850 wpa_printf(MSG_ERROR,
851 "Invalid BSS config identifier '%s'",
852 bss_config[i]);
853 goto out;
854 }
855 *fname++ = '\0';
856 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
857 fname, debug);
858 if (iface == NULL)
859 goto out;
860 for (j = 0; j < interfaces.count; j++) {
861 if (interfaces.iface[j] == iface)
862 break;
863 }
864 if (j == interfaces.count) {
865 struct hostapd_iface **tmp;
866 tmp = os_realloc_array(interfaces.iface,
867 interfaces.count + 1,
868 sizeof(struct hostapd_iface *));
869 if (tmp == NULL) {
870 hostapd_interface_deinit_free(iface);
871 goto out;
872 }
873 interfaces.iface = tmp;
874 interfaces.iface[interfaces.count++] = iface;
875 }
876 }
877
878 /*
879 * Enable configured interfaces. Depending on channel configuration,
880 * this may complete full initialization before returning or use a
881 * callback mechanism to complete setup in case of operations like HT
882 * co-ex scans, ACS, or DFS are needed to determine channel parameters.
883 * In such case, the interface will be enabled from eloop context within
884 * hostapd_global_run().
885 */
886 interfaces.terminate_on_error = interfaces.count;
887 for (i = 0; i < interfaces.count; i++) {
888 if (hostapd_driver_init(interfaces.iface[i]) ||
889 hostapd_setup_interface(interfaces.iface[i]))
890 goto out;
891 }
892
893 hostapd_global_ctrl_iface_init(&interfaces);
894
895 if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
896 wpa_printf(MSG_ERROR, "Failed to start eloop");
897 goto out;
898 }
899
900 ret = 0;
901
902 out:
903 hostapd_global_ctrl_iface_deinit(&interfaces);
904 /* Deinitialize all interfaces */
905 for (i = 0; i < interfaces.count; i++) {
906 if (!interfaces.iface[i])
907 continue;
908 interfaces.iface[i]->driver_ap_teardown =
909 !!(interfaces.iface[i]->drv_flags &
910 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
911 hostapd_interface_deinit_free(interfaces.iface[i]);
912 }
913 os_free(interfaces.iface);
914
915 #ifdef CONFIG_DPP
916 dpp_global_deinit(interfaces.dpp);
917 #endif /* CONFIG_DPP */
918
919 if (interfaces.eloop_initialized)
920 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
921 hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
922 os_free(pid_file);
923
924 wpa_debug_close_syslog();
925 if (log_file)
926 wpa_debug_close_file();
927 wpa_debug_close_linux_tracing();
928
929 os_free(bss_config);
930
931 for (i = 0; i < if_names_size; i++)
932 os_free(if_names[i]);
933 os_free(if_names);
934
935 fst_global_deinit();
936
937 os_program_deinit();
938
939 return ret;
940 }
941