blob: 8d90b38a45e07f14c139c671b8d880b325f73b8d [file] [log] [blame]
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * hostapd / main()
Dmitry Shmidt29333592017-01-09 12:27:11 -08003 * Copyright (c) 2002-2017, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#include "utils/includes.h"
10#ifndef CONFIG_NATIVE_WINDOWS
11#include <syslog.h>
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -070012#include <grp.h>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070013#endif /* CONFIG_NATIVE_WINDOWS */
14
15#include "utils/common.h"
16#include "utils/eloop.h"
Dmitry Shmidt96be6222014-02-13 10:16:51 -080017#include "utils/uuid.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070018#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"
Dmitry Shmidt04949592012-07-19 12:16:46 -070026#include "ap/ap_drv_ops.h"
Dmitry Shmidtd80a4012015-11-05 16:35:40 -080027#include "fst/fst.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070028#include "config_file.h"
29#include "eap_register.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070030#include "ctrl_iface.h"
Roshan Piuscc817562017-12-22 14:45:05 -080031#ifdef CONFIG_CTRL_IFACE_HIDL
32#include "hidl.h"
33#endif /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070034
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080035struct hapd_global {
36 void **drv_priv;
37 size_t drv_count;
38};
39
40static struct hapd_global global;
41
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070042
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070043#ifndef CONFIG_NO_HOSTAPD_LOGGER
44static 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),
Dmitry Shmidt96be6222014-02-13 10:16:51 -080098 module_str ? " " : "", module_str ? module_str : "",
99 txt);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700100 else if (hapd && hapd->conf)
101 os_snprintf(format, maxlen, "%s:%s%s %s",
102 hapd->conf->iface, module_str ? " " : "",
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700103 module_str ? module_str : "", txt);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700104 else if (addr)
105 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
106 MAC2STR(addr), module_str ? " " : "",
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700107 module_str ? module_str : "", txt);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700108 else
109 os_snprintf(format, maxlen, "%s%s%s",
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700110 module_str ? module_str : "",
111 module_str ? ": " : "", txt);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700112
Paul Stewart092955c2017-02-06 09:13:09 -0800113#ifdef CONFIG_DEBUG_SYSLOG
114 if (wpa_debug_syslog)
115 conf_stdout = 0;
116#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700117 if ((conf_stdout & module) && level >= conf_stdout_level) {
118 wpa_debug_print_timestamp();
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800119 wpa_printf(MSG_INFO, "%s", format);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700120 }
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/**
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800153 * hostapd_driver_init - Preparate driver interface
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700154 */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700155static 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(&params, 0, sizeof(params));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800174 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) {
Dmitry Shmidte4663042016-04-04 10:07:49 -0700180 global.drv_priv[i] =
181 wpa_drivers[i]->global_init(iface->interfaces);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800182 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 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700193 params.bssid = b;
194 params.ifname = hapd->conf->iface;
Dmitry Shmidtfb45fd52015-01-05 13:08:17 -0800195 params.driver_params = hapd->iconf->driver_params;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700196 params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
197
198 params.num_bridge = hapd->iface->num_bss;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700199 params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700200 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, &params);
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 &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800220 hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
Dmitry Shmidt0207e232014-09-03 14:58:37 -0700221 struct wowlan_triggers *triggs;
222
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700223 iface->drv_flags = capa.flags;
Dmitry Shmidtfb45fd52015-01-05 13:08:17 -0800224 iface->smps_modes = capa.smps_modes;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800225 iface->probe_resp_offloads = capa.probe_resp_offloads;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700226 /*
227 * Use default extended capa values from per-radio information
228 */
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700229 iface->extended_capa = capa.extended_capa;
230 iface->extended_capa_mask = capa.extended_capa_mask;
231 iface->extended_capa_len = capa.extended_capa_len;
Dmitry Shmidt8bae4132013-06-06 11:25:10 -0700232 iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
Dmitry Shmidt0207e232014-09-03 14:58:37 -0700233
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700234 /*
235 * Override extended capa with per-interface type (AP), if
236 * available from the driver.
237 */
238 hostapd_get_ext_capa(iface);
239
Dmitry Shmidt0207e232014-09-03 14:58:37 -0700240 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);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800246 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700247
248 return 0;
249}
250
251
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800252/**
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 actiual driver operations are started.
258 */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700259static struct hostapd_iface *
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700260hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700261 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);
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800267 iface = hostapd_init(interfaces, config_fname);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700268 if (!iface)
269 return NULL;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700270
271 if (if_name) {
272 os_strlcpy(iface->conf->bss[0]->iface, if_name,
273 sizeof(iface->conf->bss[0]->iface));
274 }
275
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700276 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
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800283 if (iface->conf->bss[0]->iface[0] == '\0' &&
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700284 !hostapd_drv_none(iface->bss[0])) {
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700285 wpa_printf(MSG_ERROR,
286 "Interface name not specified in %s, nor by '-i' parameter",
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700287 config_fname);
288 hostapd_interface_deinit_free(iface);
289 return NULL;
290 }
291
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700292 return iface;
293}
294
295
296/**
297 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
298 */
299static 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
308static 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 */
321static 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
330static void handle_dump_state(int sig, void *signal_ctx)
331{
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800332 /* Not used anymore - ignore signal */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700333}
334#endif /* CONFIG_NATIVE_WINDOWS */
335
336
Jouni Malinen75ecf522011-06-27 15:19:46 -0700337static int hostapd_global_init(struct hapd_interfaces *interfaces,
338 const char *entropy_file)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700339{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800340 int i;
341
342 os_memset(&global, 0, sizeof(global));
343
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700344 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 }
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700355 interfaces->eloop_initialized = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700356
Jouni Malinen75ecf522011-06-27 15:19:46 -0700357 random_init(entropy_file);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700358
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
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800369 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 }
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700375 global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800376 if (global.drv_priv == NULL)
377 return -1;
378
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700379 return 0;
380}
381
382
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700383static void hostapd_global_deinit(const char *pid_file, int eloop_initialized)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700384{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800385 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
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700395#ifdef EAP_SERVER_TNC
396 tncs_global_deinit();
397#endif /* EAP_SERVER_TNC */
398
399 random_deinit();
400
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700401 if (eloop_initialized)
402 eloop_destroy();
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700403
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
414static 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
Dmitry Shmidtb97e4282016-02-08 10:16:07 -0800436 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 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700446 }
447
448 eloop_run();
449
450 return 0;
451}
452
453
454static 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"
Dmitry Shmidt29333592017-01-09 12:27:11 -0800460 "Copyright (c) 2002-2017, Jouni Malinen <j@w1.fi> "
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700461 "and contributors\n");
462}
463
464
465static void usage(void)
466{
467 show_version();
468 fprintf(stderr,
469 "\n"
Jouni Malinen75ecf522011-06-27 15:19:46 -0700470 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700471 "\\\n"
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700472 " [-g <global ctrl_iface>] [-G <group>]\\\n"
473 " [-i <comma-separated list of interface names>]\\\n"
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -0700474 " <configuration file(s)>\n"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700475 "\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"
Jouni Malinen75ecf522011-06-27 15:19:46 -0700480 " -e entropy file\n"
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700481 " -g global control interface path\n"
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -0700482 " -G group for control interfaces\n"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700483 " -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 */
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800488#ifdef CONFIG_DEBUG_LINUX_TRACING
Dmitry Shmidtabb90a32016-12-05 15:34:39 -0800489 " -T record to Linux tracing in addition to logging\n"
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800490 " (records all messages regardless of debug verbosity)\n"
491#endif /* CONFIG_DEBUG_LINUX_TRACING */
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700492 " -i list of interface names to use\n"
Paul Stewart092955c2017-02-06 09:13:09 -0800493#ifdef CONFIG_DEBUG_SYSLOG
494 " -s log output to syslog instead of stdout\n"
495#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800496 " -S start all the interfaces synchronously\n"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700497 " -t include timestamps in some debug messages\n"
498 " -v show hostapd version\n");
499
500 exit(1);
501}
502
503
504static const char * hostapd_msg_ifname_cb(void *ctx)
505{
506 struct hostapd_data *hapd = ctx;
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800507 if (hapd && hapd->conf)
508 return hapd->conf->iface;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700509 return NULL;
510}
511
512
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700513static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
514 const char *path)
515{
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800516#ifndef CONFIG_CTRL_IFACE_UDP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700517 char *pos;
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800518#endif /* !CONFIG_CTRL_IFACE_UDP */
519
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700520 os_free(interfaces->global_iface_path);
521 interfaces->global_iface_path = os_strdup(path);
522 if (interfaces->global_iface_path == NULL)
523 return -1;
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800524
525#ifndef CONFIG_CTRL_IFACE_UDP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700526 pos = os_strrchr(interfaces->global_iface_path, '/');
527 if (pos == NULL) {
Dmitry Shmidt1e78e762013-04-02 11:05:36 -0700528 wpa_printf(MSG_ERROR, "No '/' in the global control interface "
529 "file");
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700530 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;
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800537#endif /* !CONFIG_CTRL_IFACE_UDP */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700538
539 return 0;
540}
541
542
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -0700543static 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
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700559static int hostapd_get_interface_names(char ***if_names,
560 size_t *if_names_size,
Dmitry Shmidtabb90a32016-12-05 15:34:39 -0800561 char *arg)
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700562{
563 char *if_name, *tmp, **nnames;
564 size_t i;
565
Dmitry Shmidtabb90a32016-12-05 15:34:39 -0800566 if (!arg)
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700567 return -1;
Dmitry Shmidtabb90a32016-12-05 15:34:39 -0800568 if_name = strtok_r(arg, ",", &tmp);
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700569
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
586fail:
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
Dmitry Shmidt96be6222014-02-13 10:16:51 -0800596#ifdef CONFIG_WPS
597static 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
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800617#ifndef HOSTAPD_CLEANUP_INTERVAL
618#define HOSTAPD_CLEANUP_INTERVAL 10
619#endif /* HOSTAPD_CLEANUP_INTERVAL */
620
621static 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 */
629static 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
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700639int main(int argc, char *argv[])
640{
641 struct hapd_interfaces interfaces;
642 int ret = 1;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800643 size_t i, j;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700644 int c, debug = 0, daemonize = 0;
645 char *pid_file = NULL;
646 const char *log_file = NULL;
Jouni Malinen75ecf522011-06-27 15:19:46 -0700647 const char *entropy_file = NULL;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800648 char **bss_config = NULL, **tmp_bss;
649 size_t num_bss_configs = 0;
650#ifdef CONFIG_DEBUG_LINUX_TRACING
651 int enable_trace_dbg = 0;
652#endif /* CONFIG_DEBUG_LINUX_TRACING */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800653 int start_ifaces_in_sync = 0;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700654 char **if_names = NULL;
655 size_t if_names_size = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700656
657 if (os_program_init())
658 return -1;
659
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700660 os_memset(&interfaces, 0, sizeof(interfaces));
661 interfaces.reload_config = hostapd_reload_config;
662 interfaces.config_read_cb = hostapd_config_read;
663 interfaces.for_each_interface = hostapd_for_each_interface;
Roshan Piuscc817562017-12-22 14:45:05 -0800664#ifdef CONFIG_CTRL_IFACE_HIDL
665 // No per-netdev setup for HIDL control interface.
666 interfaces.ctrl_iface_init = NULL;
667 interfaces.ctrl_iface_deinit = NULL;
668#else /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700669 interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
670 interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
Roshan Piuscc817562017-12-22 14:45:05 -0800671#endif /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700672 interfaces.driver_init = hostapd_driver_init;
673 interfaces.global_iface_path = NULL;
674 interfaces.global_iface_name = NULL;
675 interfaces.global_ctrl_sock = -1;
Dmitry Shmidt31a29cc2016-03-09 15:58:17 -0800676 dl_list_init(&interfaces.global_ctrl_dst);
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700677#ifdef CONFIG_ETH_P_OUI
678 dl_list_init(&interfaces.eth_p_oui);
679#endif /* CONFIG_ETH_P_OUI */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700680
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700681 for (;;) {
Paul Stewart092955c2017-02-06 09:13:09 -0800682 c = getopt(argc, argv, "b:Bde:f:hi:KP:sSTtu:vg:G:");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700683 if (c < 0)
684 break;
685 switch (c) {
686 case 'h':
687 usage();
688 break;
689 case 'd':
690 debug++;
691 if (wpa_debug_level > 0)
692 wpa_debug_level--;
693 break;
694 case 'B':
695 daemonize++;
696 break;
Jouni Malinen75ecf522011-06-27 15:19:46 -0700697 case 'e':
698 entropy_file = optarg;
699 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700700 case 'f':
701 log_file = optarg;
702 break;
703 case 'K':
704 wpa_debug_show_keys++;
705 break;
706 case 'P':
707 os_free(pid_file);
708 pid_file = os_rel2abs_path(optarg);
709 break;
710 case 't':
711 wpa_debug_timestamp++;
712 break;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800713#ifdef CONFIG_DEBUG_LINUX_TRACING
714 case 'T':
715 enable_trace_dbg = 1;
716 break;
717#endif /* CONFIG_DEBUG_LINUX_TRACING */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700718 case 'v':
719 show_version();
720 exit(1);
721 break;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700722 case 'g':
Dmitry Shmidt1e78e762013-04-02 11:05:36 -0700723 if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
724 return -1;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700725 break;
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -0700726 case 'G':
Dmitry Shmidt1e78e762013-04-02 11:05:36 -0700727 if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
728 return -1;
Dmitry Shmidt0ccb66e2013-03-29 16:41:28 -0700729 break;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800730 case 'b':
731 tmp_bss = os_realloc_array(bss_config,
732 num_bss_configs + 1,
733 sizeof(char *));
734 if (tmp_bss == NULL)
735 goto out;
736 bss_config = tmp_bss;
737 bss_config[num_bss_configs++] = optarg;
738 break;
Paul Stewart092955c2017-02-06 09:13:09 -0800739#ifdef CONFIG_DEBUG_SYSLOG
740 case 's':
741 wpa_debug_syslog = 1;
742 break;
743#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800744 case 'S':
745 start_ifaces_in_sync = 1;
746 break;
Dmitry Shmidt96be6222014-02-13 10:16:51 -0800747#ifdef CONFIG_WPS
748 case 'u':
749 return gen_uuid(optarg);
750#endif /* CONFIG_WPS */
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700751 case 'i':
752 if (hostapd_get_interface_names(&if_names,
753 &if_names_size, optarg))
754 goto out;
755 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700756 default:
757 usage();
758 break;
759 }
760 }
761
Roshan Piuscc817562017-12-22 14:45:05 -0800762#ifndef CONFIG_CTRL_IFACE_HIDL
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800763 if (optind == argc && interfaces.global_iface_path == NULL &&
764 num_bss_configs == 0)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700765 usage();
Roshan Piuscc817562017-12-22 14:45:05 -0800766#endif
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700767
768 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
769
770 if (log_file)
771 wpa_debug_open_file(log_file);
Dmitry Shmidtfb45fd52015-01-05 13:08:17 -0800772 else
773 wpa_debug_setup_stdout();
Paul Stewart092955c2017-02-06 09:13:09 -0800774#ifdef CONFIG_DEBUG_SYSLOG
775 if (wpa_debug_syslog)
776 wpa_debug_open_syslog();
777#endif /* CONFIG_DEBUG_SYSLOG */
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800778#ifdef CONFIG_DEBUG_LINUX_TRACING
779 if (enable_trace_dbg) {
780 int tret = wpa_debug_open_linux_tracing();
781 if (tret) {
782 wpa_printf(MSG_ERROR, "Failed to enable trace logging");
783 return -1;
784 }
785 }
786#endif /* CONFIG_DEBUG_LINUX_TRACING */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700787
788 interfaces.count = argc - optind;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800789 if (interfaces.count || num_bss_configs) {
790 interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700791 sizeof(struct hostapd_iface *));
792 if (interfaces.iface == NULL) {
793 wpa_printf(MSG_ERROR, "malloc failed");
794 return -1;
795 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700796 }
797
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700798 if (hostapd_global_init(&interfaces, entropy_file)) {
Dmitry Shmidt7a53dbb2015-06-11 13:13:53 -0700799 wpa_printf(MSG_ERROR, "Failed to initialize global context");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700800 return -1;
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700801 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700802
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800803 eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
804 hostapd_periodic, &interfaces, NULL);
805
806 if (fst_global_init()) {
807 wpa_printf(MSG_ERROR,
808 "Failed to initialize global FST context");
809 goto out;
810 }
811
812#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
813 if (!fst_global_add_ctrl(fst_ctrl_cli))
814 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
815#endif /* CONFIG_FST && CONFIG_CTRL_IFACE */
816
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800817 /* Allocate and parse configuration for full interface files */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700818 for (i = 0; i < interfaces.count; i++) {
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700819 char *if_name = NULL;
820
821 if (i < if_names_size)
822 if_name = if_names[i];
823
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700824 interfaces.iface[i] = hostapd_interface_init(&interfaces,
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700825 if_name,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700826 argv[optind + i],
827 debug);
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700828 if (!interfaces.iface[i]) {
829 wpa_printf(MSG_ERROR, "Failed to initialize interface");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700830 goto out;
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700831 }
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800832 if (start_ifaces_in_sync)
833 interfaces.iface[i]->need_to_start_in_sync = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700834 }
835
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800836 /* Allocate and parse configuration for per-BSS files */
837 for (i = 0; i < num_bss_configs; i++) {
838 struct hostapd_iface *iface;
839 char *fname;
840
841 wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
842 fname = os_strchr(bss_config[i], ':');
843 if (fname == NULL) {
844 wpa_printf(MSG_ERROR,
845 "Invalid BSS config identifier '%s'",
846 bss_config[i]);
847 goto out;
848 }
849 *fname++ = '\0';
850 iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
851 fname, debug);
852 if (iface == NULL)
853 goto out;
854 for (j = 0; j < interfaces.count; j++) {
855 if (interfaces.iface[j] == iface)
856 break;
857 }
858 if (j == interfaces.count) {
859 struct hostapd_iface **tmp;
860 tmp = os_realloc_array(interfaces.iface,
861 interfaces.count + 1,
862 sizeof(struct hostapd_iface *));
863 if (tmp == NULL) {
864 hostapd_interface_deinit_free(iface);
865 goto out;
866 }
867 interfaces.iface = tmp;
868 interfaces.iface[interfaces.count++] = iface;
869 }
870 }
871
872 /*
873 * Enable configured interfaces. Depending on channel configuration,
874 * this may complete full initialization before returning or use a
875 * callback mechanism to complete setup in case of operations like HT
876 * co-ex scans, ACS, or DFS are needed to determine channel parameters.
877 * In such case, the interface will be enabled from eloop context within
878 * hostapd_global_run().
879 */
Dmitry Shmidtb96dad42013-11-05 10:07:29 -0800880 interfaces.terminate_on_error = interfaces.count;
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800881 for (i = 0; i < interfaces.count; i++) {
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700882 if (hostapd_driver_init(interfaces.iface[i]))
883 goto out;
884#ifdef CONFIG_MBO
885 for (j = 0; j < interfaces.iface[i]->num_bss; j++) {
886 struct hostapd_data *hapd = interfaces.iface[i]->bss[j];
887
888 if (hapd && (hapd->conf->oce & OCE_STA_CFON) &&
889 (interfaces.iface[i]->drv_flags &
890 WPA_DRIVER_FLAGS_OCE_STA_CFON))
891 hapd->enable_oce = OCE_STA_CFON;
892
893 if (hapd && (hapd->conf->oce & OCE_AP) &&
894 (interfaces.iface[i]->drv_flags &
895 WPA_DRIVER_FLAGS_OCE_STA_CFON)) {
896 /* TODO: Need to add OCE-AP support */
897 wpa_printf(MSG_ERROR,
898 "OCE-AP feature is not yet supported");
899 }
900 }
901#endif /* CONFIG_MBO */
902 if (hostapd_setup_interface(interfaces.iface[i]))
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800903 goto out;
904 }
905
Roshan Piuscc817562017-12-22 14:45:05 -0800906#ifdef CONFIG_CTRL_IFACE_HIDL
907 if (hostapd_hidl_init(&interfaces)) {
908 wpa_printf(MSG_ERROR, "Failed to initialize HIDL interface");
909 goto out;
910 }
911#else /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700912 hostapd_global_ctrl_iface_init(&interfaces);
Roshan Piuscc817562017-12-22 14:45:05 -0800913#endif /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700914
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700915 if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
916 wpa_printf(MSG_ERROR, "Failed to start eloop");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700917 goto out;
Dmitry Shmidt4b060592013-04-29 16:42:49 -0700918 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700919
920 ret = 0;
921
922 out:
Roshan Piuscc817562017-12-22 14:45:05 -0800923#ifdef CONFIG_CTRL_IFACE_HIDL
924 hostapd_hidl_deinit(&interfaces);
925#else /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700926 hostapd_global_ctrl_iface_deinit(&interfaces);
Roshan Piuscc817562017-12-22 14:45:05 -0800927#endif /* CONFIG_CTRL_IFACE_HIDL */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700928 /* Deinitialize all interfaces */
Dmitry Shmidta38abf92014-03-06 13:38:44 -0800929 for (i = 0; i < interfaces.count; i++) {
Dmitry Shmidt818ea482014-03-10 13:15:21 -0700930 if (!interfaces.iface[i])
931 continue;
Dmitry Shmidta38abf92014-03-06 13:38:44 -0800932 interfaces.iface[i]->driver_ap_teardown =
933 !!(interfaces.iface[i]->drv_flags &
934 WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700935 hostapd_interface_deinit_free(interfaces.iface[i]);
Dmitry Shmidta38abf92014-03-06 13:38:44 -0800936 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700937 os_free(interfaces.iface);
938
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700939 if (interfaces.eloop_initialized)
940 eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
941 hostapd_global_deinit(pid_file, interfaces.eloop_initialized);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700942 os_free(pid_file);
943
Paul Stewart092955c2017-02-06 09:13:09 -0800944 wpa_debug_close_syslog();
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700945 if (log_file)
946 wpa_debug_close_file();
Dmitry Shmidtcce06662013-11-04 18:44:24 -0800947 wpa_debug_close_linux_tracing();
948
949 os_free(bss_config);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700950
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700951 for (i = 0; i < if_names_size; i++)
952 os_free(if_names[i]);
953 os_free(if_names);
954
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800955 fst_global_deinit();
956
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700957 os_program_deinit();
958
959 return ret;
960}