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Commit | Line | Data |
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5c333467 JM |
1 | /* |
2 | * hostapd / main() | |
15c56067 | 3 | * Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> |
5c333467 | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
5c333467 JM |
7 | */ |
8 | ||
6226e38d | 9 | #include "utils/includes.h" |
5c333467 JM |
10 | #ifndef CONFIG_NATIVE_WINDOWS |
11 | #include <syslog.h> | |
187f87f0 | 12 | #include <grp.h> |
5c333467 JM |
13 | #endif /* CONFIG_NATIVE_WINDOWS */ |
14 | ||
6226e38d JM |
15 | #include "utils/common.h" |
16 | #include "utils/eloop.h" | |
b0d18bc2 | 17 | #include "utils/uuid.h" |
d47fa330 | 18 | #include "crypto/random.h" |
03da66bd | 19 | #include "crypto/tls.h" |
90973fb2 | 20 | #include "common/version.h" |
e5f2b59c | 21 | #include "drivers/driver.h" |
5c333467 JM |
22 | #include "eap_server/eap.h" |
23 | #include "eap_server/tncs.h" | |
1057d78e | 24 | #include "ap/hostapd.h" |
6226e38d | 25 | #include "ap/ap_config.h" |
9d23cff5 | 26 | #include "ap/ap_drv_ops.h" |
6959145b | 27 | #include "fst/fst.h" |
41d719d6 | 28 | #include "config_file.h" |
a4f21109 | 29 | #include "eap_register.h" |
70db2ab3 | 30 | #include "ctrl_iface.h" |
5c333467 JM |
31 | |
32 | ||
4b24282a JM |
33 | struct hapd_global { |
34 | void **drv_priv; | |
35 | size_t drv_count; | |
36 | }; | |
37 | ||
38 | static struct hapd_global global; | |
39 | ||
5c333467 | 40 | |
5c333467 JM |
41 | #ifndef CONFIG_NO_HOSTAPD_LOGGER |
42 | static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module, | |
43 | int level, const char *txt, size_t len) | |
44 | { | |
45 | struct hostapd_data *hapd = ctx; | |
46 | char *format, *module_str; | |
47 | int maxlen; | |
48 | int conf_syslog_level, conf_stdout_level; | |
49 | unsigned int conf_syslog, conf_stdout; | |
50 | ||
51 | maxlen = len + 100; | |
52 | format = os_malloc(maxlen); | |
53 | if (!format) | |
54 | return; | |
55 | ||
56 | if (hapd && hapd->conf) { | |
57 | conf_syslog_level = hapd->conf->logger_syslog_level; | |
58 | conf_stdout_level = hapd->conf->logger_stdout_level; | |
59 | conf_syslog = hapd->conf->logger_syslog; | |
60 | conf_stdout = hapd->conf->logger_stdout; | |
61 | } else { | |
62 | conf_syslog_level = conf_stdout_level = 0; | |
63 | conf_syslog = conf_stdout = (unsigned int) -1; | |
64 | } | |
65 | ||
66 | switch (module) { | |
67 | case HOSTAPD_MODULE_IEEE80211: | |
68 | module_str = "IEEE 802.11"; | |
69 | break; | |
70 | case HOSTAPD_MODULE_IEEE8021X: | |
71 | module_str = "IEEE 802.1X"; | |
72 | break; | |
73 | case HOSTAPD_MODULE_RADIUS: | |
74 | module_str = "RADIUS"; | |
75 | break; | |
76 | case HOSTAPD_MODULE_WPA: | |
77 | module_str = "WPA"; | |
78 | break; | |
79 | case HOSTAPD_MODULE_DRIVER: | |
80 | module_str = "DRIVER"; | |
81 | break; | |
82 | case HOSTAPD_MODULE_IAPP: | |
83 | module_str = "IAPP"; | |
84 | break; | |
85 | case HOSTAPD_MODULE_MLME: | |
86 | module_str = "MLME"; | |
87 | break; | |
88 | default: | |
89 | module_str = NULL; | |
90 | break; | |
91 | } | |
92 | ||
93 | if (hapd && hapd->conf && addr) | |
94 | os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s", | |
95 | hapd->conf->iface, MAC2STR(addr), | |
1e2ffc60 EL |
96 | module_str ? " " : "", module_str ? module_str : "", |
97 | txt); | |
5c333467 JM |
98 | else if (hapd && hapd->conf) |
99 | os_snprintf(format, maxlen, "%s:%s%s %s", | |
100 | hapd->conf->iface, module_str ? " " : "", | |
db9418bb | 101 | module_str ? module_str : "", txt); |
5c333467 JM |
102 | else if (addr) |
103 | os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s", | |
104 | MAC2STR(addr), module_str ? " " : "", | |
db9418bb | 105 | module_str ? module_str : "", txt); |
5c333467 JM |
106 | else |
107 | os_snprintf(format, maxlen, "%s%s%s", | |
db9418bb SG |
108 | module_str ? module_str : "", |
109 | module_str ? ": " : "", txt); | |
5c333467 JM |
110 | |
111 | if ((conf_stdout & module) && level >= conf_stdout_level) { | |
112 | wpa_debug_print_timestamp(); | |
b253e6ff | 113 | wpa_printf(MSG_INFO, "%s", format); |
5c333467 JM |
114 | } |
115 | ||
116 | #ifndef CONFIG_NATIVE_WINDOWS | |
117 | if ((conf_syslog & module) && level >= conf_syslog_level) { | |
118 | int priority; | |
119 | switch (level) { | |
120 | case HOSTAPD_LEVEL_DEBUG_VERBOSE: | |
121 | case HOSTAPD_LEVEL_DEBUG: | |
122 | priority = LOG_DEBUG; | |
123 | break; | |
124 | case HOSTAPD_LEVEL_INFO: | |
125 | priority = LOG_INFO; | |
126 | break; | |
127 | case HOSTAPD_LEVEL_NOTICE: | |
128 | priority = LOG_NOTICE; | |
129 | break; | |
130 | case HOSTAPD_LEVEL_WARNING: | |
131 | priority = LOG_WARNING; | |
132 | break; | |
133 | default: | |
134 | priority = LOG_INFO; | |
135 | break; | |
136 | } | |
137 | syslog(priority, "%s", format); | |
138 | } | |
139 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
140 | ||
141 | os_free(format); | |
142 | } | |
143 | #endif /* CONFIG_NO_HOSTAPD_LOGGER */ | |
144 | ||
145 | ||
0dfd2c61 JM |
146 | /** |
147 | * hostapd_driver_init - Preparate driver interface | |
148 | */ | |
e5f2b59c JM |
149 | static int hostapd_driver_init(struct hostapd_iface *iface) |
150 | { | |
151 | struct wpa_init_params params; | |
152 | size_t i; | |
153 | struct hostapd_data *hapd = iface->bss[0]; | |
154 | struct hostapd_bss_config *conf = hapd->conf; | |
155 | u8 *b = conf->bssid; | |
2fee890a | 156 | struct wpa_driver_capa capa; |
e5f2b59c JM |
157 | |
158 | if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) { | |
159 | wpa_printf(MSG_ERROR, "No hostapd driver wrapper available"); | |
160 | return -1; | |
161 | } | |
162 | ||
163 | /* Initialize the driver interface */ | |
164 | if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5])) | |
165 | b = NULL; | |
166 | ||
167 | os_memset(¶ms, 0, sizeof(params)); | |
4b24282a | 168 | for (i = 0; wpa_drivers[i]; i++) { |
7756114f JM |
169 | if (wpa_drivers[i] != hapd->driver) |
170 | continue; | |
171 | ||
172 | if (global.drv_priv[i] == NULL && | |
173 | wpa_drivers[i]->global_init) { | |
45e3fc72 RM |
174 | global.drv_priv[i] = |
175 | wpa_drivers[i]->global_init(iface->interfaces); | |
7756114f JM |
176 | if (global.drv_priv[i] == NULL) { |
177 | wpa_printf(MSG_ERROR, "Failed to initialize " | |
178 | "driver '%s'", | |
179 | wpa_drivers[i]->name); | |
180 | return -1; | |
181 | } | |
4b24282a | 182 | } |
7756114f JM |
183 | |
184 | params.global_priv = global.drv_priv[i]; | |
185 | break; | |
4b24282a | 186 | } |
e5f2b59c JM |
187 | params.bssid = b; |
188 | params.ifname = hapd->conf->iface; | |
0ecff8d7 | 189 | params.driver_params = hapd->iconf->driver_params; |
e5f2b59c JM |
190 | params.use_pae_group_addr = hapd->conf->use_pae_group_addr; |
191 | ||
192 | params.num_bridge = hapd->iface->num_bss; | |
f9884c09 | 193 | params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *)); |
e5f2b59c JM |
194 | if (params.bridge == NULL) |
195 | return -1; | |
196 | for (i = 0; i < hapd->iface->num_bss; i++) { | |
197 | struct hostapd_data *bss = hapd->iface->bss[i]; | |
198 | if (bss->conf->bridge[0]) | |
199 | params.bridge[i] = bss->conf->bridge; | |
200 | } | |
201 | ||
202 | params.own_addr = hapd->own_addr; | |
203 | ||
204 | hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms); | |
205 | os_free(params.bridge); | |
206 | if (hapd->drv_priv == NULL) { | |
207 | wpa_printf(MSG_ERROR, "%s driver initialization failed.", | |
208 | hapd->driver->name); | |
209 | hapd->driver = NULL; | |
210 | return -1; | |
211 | } | |
212 | ||
2fee890a | 213 | if (hapd->driver->get_capa && |
4f73d88a | 214 | hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) { |
88cb27c7 DS |
215 | struct wowlan_triggers *triggs; |
216 | ||
2fee890a | 217 | iface->drv_flags = capa.flags; |
04ee647d | 218 | iface->smps_modes = capa.smps_modes; |
4f73d88a | 219 | iface->probe_resp_offloads = capa.probe_resp_offloads; |
cc9a2575 KV |
220 | /* |
221 | * Use default extended capa values from per-radio information | |
222 | */ | |
8cd6b7bc JB |
223 | iface->extended_capa = capa.extended_capa; |
224 | iface->extended_capa_mask = capa.extended_capa_mask; | |
225 | iface->extended_capa_len = capa.extended_capa_len; | |
3cb953e4 | 226 | iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs; |
88cb27c7 | 227 | |
cc9a2575 KV |
228 | /* |
229 | * Override extended capa with per-interface type (AP), if | |
230 | * available from the driver. | |
231 | */ | |
232 | hostapd_get_ext_capa(iface); | |
233 | ||
88cb27c7 DS |
234 | triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa); |
235 | if (triggs && hapd->driver->set_wowlan) { | |
236 | if (hapd->driver->set_wowlan(hapd->drv_priv, triggs)) | |
237 | wpa_printf(MSG_ERROR, "set_wowlan failed"); | |
238 | } | |
239 | os_free(triggs); | |
4f73d88a | 240 | } |
2fee890a | 241 | |
e5f2b59c JM |
242 | return 0; |
243 | } | |
244 | ||
245 | ||
0dfd2c61 JM |
246 | /** |
247 | * hostapd_interface_init - Read configuration file and init BSS data | |
248 | * | |
249 | * This function is used to parse configuration file for a full interface (one | |
250 | * or more BSSes sharing the same radio) and allocate memory for the BSS | |
251 | * interfaces. No actiual driver operations are started. | |
252 | */ | |
9969e5a4 | 253 | static struct hostapd_iface * |
40f6282a | 254 | hostapd_interface_init(struct hapd_interfaces *interfaces, const char *if_name, |
9969e5a4 | 255 | const char *config_fname, int debug) |
5c333467 JM |
256 | { |
257 | struct hostapd_iface *iface; | |
258 | int k; | |
259 | ||
260 | wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname); | |
66936c6a | 261 | iface = hostapd_init(interfaces, config_fname); |
5c333467 JM |
262 | if (!iface) |
263 | return NULL; | |
40f6282a TK |
264 | |
265 | if (if_name) { | |
266 | os_strlcpy(iface->conf->bss[0]->iface, if_name, | |
267 | sizeof(iface->conf->bss[0]->iface)); | |
268 | } | |
269 | ||
9969e5a4 | 270 | iface->interfaces = interfaces; |
5c333467 JM |
271 | |
272 | for (k = 0; k < debug; k++) { | |
273 | if (iface->bss[0]->conf->logger_stdout_level > 0) | |
274 | iface->bss[0]->conf->logger_stdout_level--; | |
275 | } | |
276 | ||
ebd79f07 | 277 | if (iface->conf->bss[0]->iface[0] == '\0' && |
61d2ce21 | 278 | !hostapd_drv_none(iface->bss[0])) { |
40f6282a TK |
279 | wpa_printf(MSG_ERROR, |
280 | "Interface name not specified in %s, nor by '-i' parameter", | |
61d2ce21 JM |
281 | config_fname); |
282 | hostapd_interface_deinit_free(iface); | |
283 | return NULL; | |
284 | } | |
285 | ||
5c333467 JM |
286 | return iface; |
287 | } | |
288 | ||
289 | ||
290 | /** | |
291 | * handle_term - SIGINT and SIGTERM handler to terminate hostapd process | |
292 | */ | |
0456ea16 | 293 | static void handle_term(int sig, void *signal_ctx) |
5c333467 JM |
294 | { |
295 | wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig); | |
296 | eloop_terminate(); | |
297 | } | |
298 | ||
299 | ||
300 | #ifndef CONFIG_NATIVE_WINDOWS | |
a4f21109 JM |
301 | |
302 | static int handle_reload_iface(struct hostapd_iface *iface, void *ctx) | |
303 | { | |
304 | if (hostapd_reload_config(iface) < 0) { | |
305 | wpa_printf(MSG_WARNING, "Failed to read new configuration " | |
306 | "file - continuing with old."); | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
311 | ||
5c333467 JM |
312 | /** |
313 | * handle_reload - SIGHUP handler to reload configuration | |
314 | */ | |
0456ea16 | 315 | static void handle_reload(int sig, void *signal_ctx) |
5c333467 | 316 | { |
0456ea16 | 317 | struct hapd_interfaces *interfaces = signal_ctx; |
5c333467 JM |
318 | wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration", |
319 | sig); | |
9969e5a4 | 320 | hostapd_for_each_interface(interfaces, handle_reload_iface, NULL); |
5c333467 JM |
321 | } |
322 | ||
323 | ||
0456ea16 | 324 | static void handle_dump_state(int sig, void *signal_ctx) |
5c333467 | 325 | { |
a1a31b6c | 326 | /* Not used anymore - ignore signal */ |
5c333467 JM |
327 | } |
328 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
329 | ||
330 | ||
38e24575 JM |
331 | static int hostapd_global_init(struct hapd_interfaces *interfaces, |
332 | const char *entropy_file) | |
5c333467 | 333 | { |
4b24282a JM |
334 | int i; |
335 | ||
336 | os_memset(&global, 0, sizeof(global)); | |
337 | ||
5c333467 JM |
338 | hostapd_logger_register_cb(hostapd_logger_cb); |
339 | ||
340 | if (eap_server_register_methods()) { | |
341 | wpa_printf(MSG_ERROR, "Failed to register EAP methods"); | |
342 | return -1; | |
343 | } | |
344 | ||
0456ea16 | 345 | if (eloop_init()) { |
5c333467 JM |
346 | wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
347 | return -1; | |
348 | } | |
cc27c8e6 | 349 | interfaces->eloop_initialized = 1; |
5c333467 | 350 | |
38e24575 | 351 | random_init(entropy_file); |
d47fa330 | 352 | |
5c333467 | 353 | #ifndef CONFIG_NATIVE_WINDOWS |
0456ea16 JM |
354 | eloop_register_signal(SIGHUP, handle_reload, interfaces); |
355 | eloop_register_signal(SIGUSR1, handle_dump_state, interfaces); | |
5c333467 | 356 | #endif /* CONFIG_NATIVE_WINDOWS */ |
0456ea16 | 357 | eloop_register_signal_terminate(handle_term, interfaces); |
5c333467 JM |
358 | |
359 | #ifndef CONFIG_NATIVE_WINDOWS | |
360 | openlog("hostapd", 0, LOG_DAEMON); | |
361 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
362 | ||
4b24282a JM |
363 | for (i = 0; wpa_drivers[i]; i++) |
364 | global.drv_count++; | |
365 | if (global.drv_count == 0) { | |
366 | wpa_printf(MSG_ERROR, "No drivers enabled"); | |
367 | return -1; | |
368 | } | |
f9884c09 | 369 | global.drv_priv = os_calloc(global.drv_count, sizeof(void *)); |
4b24282a JM |
370 | if (global.drv_priv == NULL) |
371 | return -1; | |
4b24282a | 372 | |
5c333467 JM |
373 | return 0; |
374 | } | |
375 | ||
376 | ||
cc27c8e6 | 377 | static void hostapd_global_deinit(const char *pid_file, int eloop_initialized) |
5c333467 | 378 | { |
4b24282a JM |
379 | int i; |
380 | ||
381 | for (i = 0; wpa_drivers[i] && global.drv_priv; i++) { | |
382 | if (!global.drv_priv[i]) | |
383 | continue; | |
384 | wpa_drivers[i]->global_deinit(global.drv_priv[i]); | |
385 | } | |
386 | os_free(global.drv_priv); | |
387 | global.drv_priv = NULL; | |
388 | ||
5c333467 JM |
389 | #ifdef EAP_SERVER_TNC |
390 | tncs_global_deinit(); | |
391 | #endif /* EAP_SERVER_TNC */ | |
392 | ||
d47fa330 JM |
393 | random_deinit(); |
394 | ||
cc27c8e6 JM |
395 | if (eloop_initialized) |
396 | eloop_destroy(); | |
5c333467 JM |
397 | |
398 | #ifndef CONFIG_NATIVE_WINDOWS | |
399 | closelog(); | |
400 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
401 | ||
402 | eap_server_unregister_methods(); | |
403 | ||
404 | os_daemonize_terminate(pid_file); | |
405 | } | |
406 | ||
407 | ||
408 | static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize, | |
409 | const char *pid_file) | |
410 | { | |
411 | #ifdef EAP_SERVER_TNC | |
412 | int tnc = 0; | |
413 | size_t i, k; | |
414 | ||
415 | for (i = 0; !tnc && i < ifaces->count; i++) { | |
416 | for (k = 0; k < ifaces->iface[i]->num_bss; k++) { | |
417 | if (ifaces->iface[i]->bss[0]->conf->tnc) { | |
418 | tnc++; | |
419 | break; | |
420 | } | |
421 | } | |
422 | } | |
423 | ||
424 | if (tnc && tncs_global_init() < 0) { | |
425 | wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); | |
426 | return -1; | |
427 | } | |
428 | #endif /* EAP_SERVER_TNC */ | |
429 | ||
2e69bdd1 RM |
430 | if (daemonize) { |
431 | if (os_daemonize(pid_file)) { | |
432 | wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno)); | |
433 | return -1; | |
434 | } | |
435 | if (eloop_sock_requeue()) { | |
436 | wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s", | |
437 | strerror(errno)); | |
438 | return -1; | |
439 | } | |
5c333467 JM |
440 | } |
441 | ||
442 | eloop_run(); | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | ||
448 | static void show_version(void) | |
449 | { | |
450 | fprintf(stderr, | |
451 | "hostapd v" VERSION_STR "\n" | |
452 | "User space daemon for IEEE 802.11 AP management,\n" | |
453 | "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n" | |
15c56067 | 454 | "Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> " |
5c333467 JM |
455 | "and contributors\n"); |
456 | } | |
457 | ||
458 | ||
459 | static void usage(void) | |
460 | { | |
461 | show_version(); | |
462 | fprintf(stderr, | |
463 | "\n" | |
38e24575 | 464 | "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] " |
c90fd485 | 465 | "\\\n" |
40f6282a TK |
466 | " [-g <global ctrl_iface>] [-G <group>]\\\n" |
467 | " [-i <comma-separated list of interface names>]\\\n" | |
187f87f0 | 468 | " <configuration file(s)>\n" |
5c333467 JM |
469 | "\n" |
470 | "options:\n" | |
471 | " -h show this usage\n" | |
472 | " -d show more debug messages (-dd for even more)\n" | |
473 | " -B run daemon in the background\n" | |
38e24575 | 474 | " -e entropy file\n" |
c90fd485 | 475 | " -g global control interface path\n" |
187f87f0 | 476 | " -G group for control interfaces\n" |
5c333467 JM |
477 | " -P PID file\n" |
478 | " -K include key data in debug messages\n" | |
b41a47c0 BG |
479 | #ifdef CONFIG_DEBUG_FILE |
480 | " -f log output to debug file instead of stdout\n" | |
481 | #endif /* CONFIG_DEBUG_FILE */ | |
0648c3b8 | 482 | #ifdef CONFIG_DEBUG_LINUX_TRACING |
5acbf22b | 483 | " -T record to Linux tracing in addition to logging\n" |
0648c3b8 JB |
484 | " (records all messages regardless of debug verbosity)\n" |
485 | #endif /* CONFIG_DEBUG_LINUX_TRACING */ | |
40f6282a | 486 | " -i list of interface names to use\n" |
053693d2 | 487 | " -S start all the interfaces synchronously\n" |
5c333467 JM |
488 | " -t include timestamps in some debug messages\n" |
489 | " -v show hostapd version\n"); | |
490 | ||
491 | exit(1); | |
492 | } | |
493 | ||
494 | ||
379ff7b9 BG |
495 | static const char * hostapd_msg_ifname_cb(void *ctx) |
496 | { | |
497 | struct hostapd_data *hapd = ctx; | |
2940bf66 EP |
498 | if (hapd && hapd->conf) |
499 | return hapd->conf->iface; | |
379ff7b9 BG |
500 | return NULL; |
501 | } | |
502 | ||
503 | ||
c90fd485 SP |
504 | static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces, |
505 | const char *path) | |
506 | { | |
b9066c63 | 507 | #ifndef CONFIG_CTRL_IFACE_UDP |
c90fd485 | 508 | char *pos; |
b9066c63 JD |
509 | #endif /* !CONFIG_CTRL_IFACE_UDP */ |
510 | ||
c90fd485 SP |
511 | os_free(interfaces->global_iface_path); |
512 | interfaces->global_iface_path = os_strdup(path); | |
513 | if (interfaces->global_iface_path == NULL) | |
514 | return -1; | |
b9066c63 JD |
515 | |
516 | #ifndef CONFIG_CTRL_IFACE_UDP | |
c90fd485 SP |
517 | pos = os_strrchr(interfaces->global_iface_path, '/'); |
518 | if (pos == NULL) { | |
cd61936a JM |
519 | wpa_printf(MSG_ERROR, "No '/' in the global control interface " |
520 | "file"); | |
c90fd485 SP |
521 | os_free(interfaces->global_iface_path); |
522 | interfaces->global_iface_path = NULL; | |
523 | return -1; | |
524 | } | |
525 | ||
526 | *pos = '\0'; | |
527 | interfaces->global_iface_name = pos + 1; | |
b9066c63 | 528 | #endif /* !CONFIG_CTRL_IFACE_UDP */ |
c90fd485 SP |
529 | |
530 | return 0; | |
531 | } | |
532 | ||
533 | ||
187f87f0 JM |
534 | static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces, |
535 | const char *group) | |
536 | { | |
537 | #ifndef CONFIG_NATIVE_WINDOWS | |
538 | struct group *grp; | |
539 | grp = getgrnam(group); | |
540 | if (grp == NULL) { | |
541 | wpa_printf(MSG_ERROR, "Unknown group '%s'", group); | |
542 | return -1; | |
543 | } | |
544 | interfaces->ctrl_iface_group = grp->gr_gid; | |
545 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
546 | return 0; | |
547 | } | |
548 | ||
549 | ||
40f6282a TK |
550 | static int hostapd_get_interface_names(char ***if_names, |
551 | size_t *if_names_size, | |
fde3a531 | 552 | char *arg) |
40f6282a TK |
553 | { |
554 | char *if_name, *tmp, **nnames; | |
555 | size_t i; | |
556 | ||
fde3a531 | 557 | if (!arg) |
40f6282a | 558 | return -1; |
fde3a531 | 559 | if_name = strtok_r(arg, ",", &tmp); |
40f6282a TK |
560 | |
561 | while (if_name) { | |
562 | nnames = os_realloc_array(*if_names, 1 + *if_names_size, | |
563 | sizeof(char *)); | |
564 | if (!nnames) | |
565 | goto fail; | |
566 | *if_names = nnames; | |
567 | ||
568 | (*if_names)[*if_names_size] = os_strdup(if_name); | |
569 | if (!(*if_names)[*if_names_size]) | |
570 | goto fail; | |
571 | (*if_names_size)++; | |
572 | if_name = strtok_r(NULL, ",", &tmp); | |
573 | } | |
574 | ||
575 | return 0; | |
576 | ||
577 | fail: | |
578 | for (i = 0; i < *if_names_size; i++) | |
579 | os_free((*if_names)[i]); | |
580 | os_free(*if_names); | |
581 | *if_names = NULL; | |
582 | *if_names_size = 0; | |
583 | return -1; | |
584 | } | |
585 | ||
586 | ||
b0d18bc2 JM |
587 | #ifdef CONFIG_WPS |
588 | static int gen_uuid(const char *txt_addr) | |
589 | { | |
590 | u8 addr[ETH_ALEN]; | |
591 | u8 uuid[UUID_LEN]; | |
592 | char buf[100]; | |
593 | ||
594 | if (hwaddr_aton(txt_addr, addr) < 0) | |
595 | return -1; | |
596 | ||
597 | uuid_gen_mac_addr(addr, uuid); | |
598 | if (uuid_bin2str(uuid, buf, sizeof(buf)) < 0) | |
599 | return -1; | |
600 | ||
601 | printf("%s\n", buf); | |
602 | ||
603 | return 0; | |
604 | } | |
605 | #endif /* CONFIG_WPS */ | |
606 | ||
607 | ||
3188aaba JM |
608 | #ifndef HOSTAPD_CLEANUP_INTERVAL |
609 | #define HOSTAPD_CLEANUP_INTERVAL 10 | |
610 | #endif /* HOSTAPD_CLEANUP_INTERVAL */ | |
611 | ||
612 | static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx) | |
613 | { | |
614 | hostapd_periodic_iface(iface); | |
615 | return 0; | |
616 | } | |
617 | ||
618 | ||
619 | /* Periodic cleanup tasks */ | |
620 | static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx) | |
621 | { | |
622 | struct hapd_interfaces *interfaces = eloop_ctx; | |
623 | ||
624 | eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, | |
625 | hostapd_periodic, interfaces, NULL); | |
626 | hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL); | |
627 | } | |
628 | ||
629 | ||
5c333467 JM |
630 | int main(int argc, char *argv[]) |
631 | { | |
632 | struct hapd_interfaces interfaces; | |
633 | int ret = 1; | |
5afaa067 | 634 | size_t i, j; |
5c333467 | 635 | int c, debug = 0, daemonize = 0; |
cedf9473 | 636 | char *pid_file = NULL; |
b41a47c0 | 637 | const char *log_file = NULL; |
38e24575 | 638 | const char *entropy_file = NULL; |
5afaa067 JM |
639 | char **bss_config = NULL, **tmp_bss; |
640 | size_t num_bss_configs = 0; | |
0648c3b8 JB |
641 | #ifdef CONFIG_DEBUG_LINUX_TRACING |
642 | int enable_trace_dbg = 0; | |
643 | #endif /* CONFIG_DEBUG_LINUX_TRACING */ | |
053693d2 | 644 | int start_ifaces_in_sync = 0; |
40f6282a TK |
645 | char **if_names = NULL; |
646 | size_t if_names_size = 0; | |
5c333467 | 647 | |
80d77c31 JM |
648 | if (os_program_init()) |
649 | return -1; | |
650 | ||
3776ac73 JM |
651 | os_memset(&interfaces, 0, sizeof(interfaces)); |
652 | interfaces.reload_config = hostapd_reload_config; | |
653 | interfaces.config_read_cb = hostapd_config_read; | |
654 | interfaces.for_each_interface = hostapd_for_each_interface; | |
655 | interfaces.ctrl_iface_init = hostapd_ctrl_iface_init; | |
656 | interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit; | |
75545652 | 657 | interfaces.driver_init = hostapd_driver_init; |
c90fd485 SP |
658 | interfaces.global_iface_path = NULL; |
659 | interfaces.global_iface_name = NULL; | |
660 | interfaces.global_ctrl_sock = -1; | |
89b781bc | 661 | dl_list_init(&interfaces.global_ctrl_dst); |
3776ac73 | 662 | |
5c333467 | 663 | for (;;) { |
40f6282a | 664 | c = getopt(argc, argv, "b:Bde:f:hi:KP:STtu:vg:G:"); |
5c333467 JM |
665 | if (c < 0) |
666 | break; | |
667 | switch (c) { | |
668 | case 'h': | |
669 | usage(); | |
670 | break; | |
671 | case 'd': | |
672 | debug++; | |
673 | if (wpa_debug_level > 0) | |
674 | wpa_debug_level--; | |
675 | break; | |
676 | case 'B': | |
677 | daemonize++; | |
678 | break; | |
38e24575 JM |
679 | case 'e': |
680 | entropy_file = optarg; | |
681 | break; | |
b41a47c0 BG |
682 | case 'f': |
683 | log_file = optarg; | |
684 | break; | |
5c333467 JM |
685 | case 'K': |
686 | wpa_debug_show_keys++; | |
687 | break; | |
688 | case 'P': | |
cedf9473 JM |
689 | os_free(pid_file); |
690 | pid_file = os_rel2abs_path(optarg); | |
5c333467 JM |
691 | break; |
692 | case 't': | |
693 | wpa_debug_timestamp++; | |
694 | break; | |
0648c3b8 JB |
695 | #ifdef CONFIG_DEBUG_LINUX_TRACING |
696 | case 'T': | |
697 | enable_trace_dbg = 1; | |
698 | break; | |
699 | #endif /* CONFIG_DEBUG_LINUX_TRACING */ | |
5c333467 JM |
700 | case 'v': |
701 | show_version(); | |
702 | exit(1); | |
703 | break; | |
c90fd485 | 704 | case 'g': |
cd61936a JM |
705 | if (hostapd_get_global_ctrl_iface(&interfaces, optarg)) |
706 | return -1; | |
c90fd485 | 707 | break; |
187f87f0 | 708 | case 'G': |
cd61936a JM |
709 | if (hostapd_get_ctrl_iface_group(&interfaces, optarg)) |
710 | return -1; | |
187f87f0 | 711 | break; |
5afaa067 JM |
712 | case 'b': |
713 | tmp_bss = os_realloc_array(bss_config, | |
714 | num_bss_configs + 1, | |
715 | sizeof(char *)); | |
716 | if (tmp_bss == NULL) | |
717 | goto out; | |
718 | bss_config = tmp_bss; | |
719 | bss_config[num_bss_configs++] = optarg; | |
720 | break; | |
053693d2 SD |
721 | case 'S': |
722 | start_ifaces_in_sync = 1; | |
723 | break; | |
b0d18bc2 JM |
724 | #ifdef CONFIG_WPS |
725 | case 'u': | |
726 | return gen_uuid(optarg); | |
727 | #endif /* CONFIG_WPS */ | |
40f6282a TK |
728 | case 'i': |
729 | if (hostapd_get_interface_names(&if_names, | |
730 | &if_names_size, optarg)) | |
731 | goto out; | |
732 | break; | |
5c333467 JM |
733 | default: |
734 | usage(); | |
735 | break; | |
736 | } | |
737 | } | |
738 | ||
5afaa067 JM |
739 | if (optind == argc && interfaces.global_iface_path == NULL && |
740 | num_bss_configs == 0) | |
5c333467 JM |
741 | usage(); |
742 | ||
379ff7b9 BG |
743 | wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb); |
744 | ||
b41a47c0 BG |
745 | if (log_file) |
746 | wpa_debug_open_file(log_file); | |
de27bc76 PS |
747 | else |
748 | wpa_debug_setup_stdout(); | |
0648c3b8 JB |
749 | #ifdef CONFIG_DEBUG_LINUX_TRACING |
750 | if (enable_trace_dbg) { | |
751 | int tret = wpa_debug_open_linux_tracing(); | |
752 | if (tret) { | |
753 | wpa_printf(MSG_ERROR, "Failed to enable trace logging"); | |
754 | return -1; | |
755 | } | |
756 | } | |
757 | #endif /* CONFIG_DEBUG_LINUX_TRACING */ | |
b41a47c0 | 758 | |
5c333467 | 759 | interfaces.count = argc - optind; |
5afaa067 JM |
760 | if (interfaces.count || num_bss_configs) { |
761 | interfaces.iface = os_calloc(interfaces.count + num_bss_configs, | |
268a499c SP |
762 | sizeof(struct hostapd_iface *)); |
763 | if (interfaces.iface == NULL) { | |
764 | wpa_printf(MSG_ERROR, "malloc failed"); | |
765 | return -1; | |
766 | } | |
5c333467 JM |
767 | } |
768 | ||
ee28f088 | 769 | if (hostapd_global_init(&interfaces, entropy_file)) { |
c5ee4dd9 | 770 | wpa_printf(MSG_ERROR, "Failed to initialize global context"); |
5c333467 | 771 | return -1; |
ee28f088 | 772 | } |
5c333467 | 773 | |
3188aaba JM |
774 | eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0, |
775 | hostapd_periodic, &interfaces, NULL); | |
776 | ||
6959145b AN |
777 | if (fst_global_init()) { |
778 | wpa_printf(MSG_ERROR, | |
779 | "Failed to initialize global FST context"); | |
780 | goto out; | |
781 | } | |
782 | ||
783 | #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE) | |
784 | if (!fst_global_add_ctrl(fst_ctrl_cli)) | |
785 | wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl"); | |
786 | #endif /* CONFIG_FST && CONFIG_CTRL_IFACE */ | |
787 | ||
0dfd2c61 | 788 | /* Allocate and parse configuration for full interface files */ |
5c333467 | 789 | for (i = 0; i < interfaces.count; i++) { |
40f6282a TK |
790 | char *if_name = NULL; |
791 | ||
792 | if (i < if_names_size) | |
793 | if_name = if_names[i]; | |
794 | ||
9969e5a4 | 795 | interfaces.iface[i] = hostapd_interface_init(&interfaces, |
40f6282a | 796 | if_name, |
9969e5a4 | 797 | argv[optind + i], |
5c333467 | 798 | debug); |
ee28f088 JM |
799 | if (!interfaces.iface[i]) { |
800 | wpa_printf(MSG_ERROR, "Failed to initialize interface"); | |
5c333467 | 801 | goto out; |
ee28f088 | 802 | } |
053693d2 SD |
803 | if (start_ifaces_in_sync) |
804 | interfaces.iface[i]->need_to_start_in_sync = 1; | |
5c333467 JM |
805 | } |
806 | ||
0dfd2c61 | 807 | /* Allocate and parse configuration for per-BSS files */ |
5afaa067 JM |
808 | for (i = 0; i < num_bss_configs; i++) { |
809 | struct hostapd_iface *iface; | |
810 | char *fname; | |
811 | ||
812 | wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]); | |
813 | fname = os_strchr(bss_config[i], ':'); | |
814 | if (fname == NULL) { | |
815 | wpa_printf(MSG_ERROR, | |
816 | "Invalid BSS config identifier '%s'", | |
817 | bss_config[i]); | |
818 | goto out; | |
819 | } | |
820 | *fname++ = '\0'; | |
821 | iface = hostapd_interface_init_bss(&interfaces, bss_config[i], | |
822 | fname, debug); | |
823 | if (iface == NULL) | |
824 | goto out; | |
825 | for (j = 0; j < interfaces.count; j++) { | |
826 | if (interfaces.iface[j] == iface) | |
827 | break; | |
828 | } | |
829 | if (j == interfaces.count) { | |
830 | struct hostapd_iface **tmp; | |
831 | tmp = os_realloc_array(interfaces.iface, | |
832 | interfaces.count + 1, | |
833 | sizeof(struct hostapd_iface *)); | |
834 | if (tmp == NULL) { | |
835 | hostapd_interface_deinit_free(iface); | |
836 | goto out; | |
837 | } | |
838 | interfaces.iface = tmp; | |
839 | interfaces.iface[interfaces.count++] = iface; | |
840 | } | |
841 | } | |
842 | ||
0dfd2c61 JM |
843 | /* |
844 | * Enable configured interfaces. Depending on channel configuration, | |
845 | * this may complete full initialization before returning or use a | |
846 | * callback mechanism to complete setup in case of operations like HT | |
847 | * co-ex scans, ACS, or DFS are needed to determine channel parameters. | |
848 | * In such case, the interface will be enabled from eloop context within | |
849 | * hostapd_global_run(). | |
850 | */ | |
2b6623ab | 851 | interfaces.terminate_on_error = interfaces.count; |
5afaa067 | 852 | for (i = 0; i < interfaces.count; i++) { |
c20cb023 JM |
853 | if (hostapd_driver_init(interfaces.iface[i]) || |
854 | hostapd_setup_interface(interfaces.iface[i])) | |
5afaa067 JM |
855 | goto out; |
856 | } | |
857 | ||
c90fd485 SP |
858 | hostapd_global_ctrl_iface_init(&interfaces); |
859 | ||
ee28f088 JM |
860 | if (hostapd_global_run(&interfaces, daemonize, pid_file)) { |
861 | wpa_printf(MSG_ERROR, "Failed to start eloop"); | |
5c333467 | 862 | goto out; |
ee28f088 | 863 | } |
5c333467 JM |
864 | |
865 | ret = 0; | |
866 | ||
867 | out: | |
c90fd485 | 868 | hostapd_global_ctrl_iface_deinit(&interfaces); |
5c333467 | 869 | /* Deinitialize all interfaces */ |
354c903f | 870 | for (i = 0; i < interfaces.count; i++) { |
49021c1c JM |
871 | if (!interfaces.iface[i]) |
872 | continue; | |
354c903f MB |
873 | interfaces.iface[i]->driver_ap_teardown = |
874 | !!(interfaces.iface[i]->drv_flags & | |
875 | WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); | |
f7c47833 | 876 | hostapd_interface_deinit_free(interfaces.iface[i]); |
354c903f | 877 | } |
5c333467 JM |
878 | os_free(interfaces.iface); |
879 | ||
cc27c8e6 JM |
880 | if (interfaces.eloop_initialized) |
881 | eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL); | |
882 | hostapd_global_deinit(pid_file, interfaces.eloop_initialized); | |
dd745de3 | 883 | os_free(pid_file); |
5c333467 | 884 | |
b41a47c0 BG |
885 | if (log_file) |
886 | wpa_debug_close_file(); | |
0648c3b8 | 887 | wpa_debug_close_linux_tracing(); |
b41a47c0 | 888 | |
5afaa067 JM |
889 | os_free(bss_config); |
890 | ||
40f6282a TK |
891 | for (i = 0; i < if_names_size; i++) |
892 | os_free(if_names[i]); | |
893 | os_free(if_names); | |
894 | ||
6959145b AN |
895 | fst_global_deinit(); |
896 | ||
80d77c31 JM |
897 | os_program_deinit(); |
898 | ||
5c333467 JM |
899 | return ret; |
900 | } |