3 * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
15 #include "utils/includes.h"
16 #ifndef CONFIG_NATIVE_WINDOWS
18 #endif /* CONFIG_NATIVE_WINDOWS */
20 #include "utils/common.h"
21 #include "utils/eloop.h"
22 #include "crypto/tls.h"
23 #include "common/version.h"
24 #include "drivers/driver.h"
25 #include "eap_server/eap.h"
26 #include "eap_server/tncs.h"
27 #include "ap/hostapd.h"
28 #include "ap/ap_config.h"
29 #include "config_file.h"
30 #include "eap_register.h"
31 #include "dump_state.h"
32 #include "ctrl_iface.h"
35 extern int wpa_debug_level;
36 extern int wpa_debug_show_keys;
37 extern int wpa_debug_timestamp;
40 struct hapd_interfaces {
42 struct hostapd_iface **iface;
46 static int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
47 int (*cb)(struct hostapd_iface *iface,
48 void *ctx), void *ctx)
53 for (i = 0; i < interfaces->count; i++) {
54 ret = cb(interfaces->iface[i], ctx);
63 #ifndef CONFIG_NO_HOSTAPD_LOGGER
64 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
65 int level, const char *txt, size_t len)
67 struct hostapd_data *hapd = ctx;
68 char *format, *module_str;
70 int conf_syslog_level, conf_stdout_level;
71 unsigned int conf_syslog, conf_stdout;
74 format = os_malloc(maxlen);
78 if (hapd && hapd->conf) {
79 conf_syslog_level = hapd->conf->logger_syslog_level;
80 conf_stdout_level = hapd->conf->logger_stdout_level;
81 conf_syslog = hapd->conf->logger_syslog;
82 conf_stdout = hapd->conf->logger_stdout;
84 conf_syslog_level = conf_stdout_level = 0;
85 conf_syslog = conf_stdout = (unsigned int) -1;
89 case HOSTAPD_MODULE_IEEE80211:
90 module_str = "IEEE 802.11";
92 case HOSTAPD_MODULE_IEEE8021X:
93 module_str = "IEEE 802.1X";
95 case HOSTAPD_MODULE_RADIUS:
96 module_str = "RADIUS";
98 case HOSTAPD_MODULE_WPA:
101 case HOSTAPD_MODULE_DRIVER:
102 module_str = "DRIVER";
104 case HOSTAPD_MODULE_IAPP:
107 case HOSTAPD_MODULE_MLME:
115 if (hapd && hapd->conf && addr)
116 os_snprintf(format, maxlen, "%s: STA " MACSTR "%s%s: %s",
117 hapd->conf->iface, MAC2STR(addr),
118 module_str ? " " : "", module_str, txt);
119 else if (hapd && hapd->conf)
120 os_snprintf(format, maxlen, "%s:%s%s %s",
121 hapd->conf->iface, module_str ? " " : "",
124 os_snprintf(format, maxlen, "STA " MACSTR "%s%s: %s",
125 MAC2STR(addr), module_str ? " " : "",
128 os_snprintf(format, maxlen, "%s%s%s",
129 module_str, module_str ? ": " : "", txt);
131 if ((conf_stdout & module) && level >= conf_stdout_level) {
132 wpa_debug_print_timestamp();
133 printf("%s\n", format);
136 #ifndef CONFIG_NATIVE_WINDOWS
137 if ((conf_syslog & module) && level >= conf_syslog_level) {
140 case HOSTAPD_LEVEL_DEBUG_VERBOSE:
141 case HOSTAPD_LEVEL_DEBUG:
142 priority = LOG_DEBUG;
144 case HOSTAPD_LEVEL_INFO:
147 case HOSTAPD_LEVEL_NOTICE:
148 priority = LOG_NOTICE;
150 case HOSTAPD_LEVEL_WARNING:
151 priority = LOG_WARNING;
157 syslog(priority, "%s", format);
159 #endif /* CONFIG_NATIVE_WINDOWS */
163 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
167 * hostapd_init - Allocate and initialize per-interface data
168 * @config_file: Path to the configuration file
169 * Returns: Pointer to the allocated interface data or %NULL on failure
171 * This function is used to allocate main data structures for per-interface
172 * data. The allocated data buffer will be freed by calling
173 * hostapd_cleanup_iface().
175 static struct hostapd_iface * hostapd_init(const char *config_file)
177 struct hostapd_iface *hapd_iface = NULL;
178 struct hostapd_config *conf = NULL;
179 struct hostapd_data *hapd;
182 hapd_iface = os_zalloc(sizeof(*hapd_iface));
183 if (hapd_iface == NULL)
186 hapd_iface->reload_config = hostapd_reload_config;
187 hapd_iface->config_read_cb = hostapd_config_read;
188 hapd_iface->config_fname = os_strdup(config_file);
189 if (hapd_iface->config_fname == NULL)
191 hapd_iface->ctrl_iface_init = hostapd_ctrl_iface_init;
192 hapd_iface->ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
193 hapd_iface->for_each_interface = hostapd_for_each_interface;
195 conf = hostapd_config_read(hapd_iface->config_fname);
198 hapd_iface->conf = conf;
200 hapd_iface->num_bss = conf->num_bss;
201 hapd_iface->bss = os_zalloc(conf->num_bss *
202 sizeof(struct hostapd_data *));
203 if (hapd_iface->bss == NULL)
206 for (i = 0; i < conf->num_bss; i++) {
207 hapd = hapd_iface->bss[i] =
208 hostapd_alloc_bss_data(hapd_iface, conf,
212 hapd->msg_ctx = hapd;
219 hostapd_config_free(conf);
221 os_free(hapd_iface->config_fname);
222 os_free(hapd_iface->bss);
229 static int hostapd_driver_init(struct hostapd_iface *iface)
231 struct wpa_init_params params;
233 struct hostapd_data *hapd = iface->bss[0];
234 struct hostapd_bss_config *conf = hapd->conf;
237 if (hapd->driver == NULL || hapd->driver->hapd_init == NULL) {
238 wpa_printf(MSG_ERROR, "No hostapd driver wrapper available");
242 /* Initialize the driver interface */
243 if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
246 os_memset(¶ms, 0, sizeof(params));
248 params.ifname = hapd->conf->iface;
249 params.ssid = (const u8 *) hapd->conf->ssid.ssid;
250 params.ssid_len = hapd->conf->ssid.ssid_len;
251 params.test_socket = hapd->conf->test_socket;
252 params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
254 params.num_bridge = hapd->iface->num_bss;
255 params.bridge = os_zalloc(hapd->iface->num_bss * sizeof(char *));
256 if (params.bridge == NULL)
258 for (i = 0; i < hapd->iface->num_bss; i++) {
259 struct hostapd_data *bss = hapd->iface->bss[i];
260 if (bss->conf->bridge[0])
261 params.bridge[i] = bss->conf->bridge;
264 params.own_addr = hapd->own_addr;
266 hapd->drv_priv = hapd->driver->hapd_init(hapd, ¶ms);
267 os_free(params.bridge);
268 if (hapd->drv_priv == NULL) {
269 wpa_printf(MSG_ERROR, "%s driver initialization failed.",
279 static void hostapd_interface_deinit_free(struct hostapd_iface *iface)
281 const struct wpa_driver_ops *driver;
285 driver = iface->bss[0]->driver;
286 drv_priv = iface->bss[0]->drv_priv;
287 hostapd_interface_deinit(iface);
288 if (driver && driver->hapd_deinit)
289 driver->hapd_deinit(drv_priv);
290 hostapd_interface_free(iface);
294 static struct hostapd_iface *
295 hostapd_interface_init(struct hapd_interfaces *interfaces,
296 const char *config_fname, int debug)
298 struct hostapd_iface *iface;
301 wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
302 iface = hostapd_init(config_fname);
305 iface->interfaces = interfaces;
307 for (k = 0; k < debug; k++) {
308 if (iface->bss[0]->conf->logger_stdout_level > 0)
309 iface->bss[0]->conf->logger_stdout_level--;
312 if (hostapd_driver_init(iface) ||
313 hostapd_setup_interface(iface)) {
314 hostapd_interface_deinit_free(iface);
323 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
325 static void handle_term(int sig, void *signal_ctx)
327 wpa_printf(MSG_DEBUG, "Signal %d received - terminating", sig);
332 #ifndef CONFIG_NATIVE_WINDOWS
334 static int handle_reload_iface(struct hostapd_iface *iface, void *ctx)
336 if (hostapd_reload_config(iface) < 0) {
337 wpa_printf(MSG_WARNING, "Failed to read new configuration "
338 "file - continuing with old.");
345 * handle_reload - SIGHUP handler to reload configuration
347 static void handle_reload(int sig, void *signal_ctx)
349 struct hapd_interfaces *interfaces = signal_ctx;
350 wpa_printf(MSG_DEBUG, "Signal %d received - reloading configuration",
352 hostapd_for_each_interface(interfaces, handle_reload_iface, NULL);
356 static void handle_dump_state(int sig, void *signal_ctx)
358 #ifdef HOSTAPD_DUMP_STATE
359 struct hapd_interfaces *interfaces = signal_ctx;
360 hostapd_for_each_interface(interfaces, handle_dump_state_iface, NULL);
361 #endif /* HOSTAPD_DUMP_STATE */
363 #endif /* CONFIG_NATIVE_WINDOWS */
366 static int hostapd_global_init(struct hapd_interfaces *interfaces)
368 hostapd_logger_register_cb(hostapd_logger_cb);
370 if (eap_server_register_methods()) {
371 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
376 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
380 #ifndef CONFIG_NATIVE_WINDOWS
381 eloop_register_signal(SIGHUP, handle_reload, interfaces);
382 eloop_register_signal(SIGUSR1, handle_dump_state, interfaces);
383 #endif /* CONFIG_NATIVE_WINDOWS */
384 eloop_register_signal_terminate(handle_term, interfaces);
386 #ifndef CONFIG_NATIVE_WINDOWS
387 openlog("hostapd", 0, LOG_DAEMON);
388 #endif /* CONFIG_NATIVE_WINDOWS */
394 static void hostapd_global_deinit(const char *pid_file)
396 #ifdef EAP_SERVER_TNC
397 tncs_global_deinit();
398 #endif /* EAP_SERVER_TNC */
402 #ifndef CONFIG_NATIVE_WINDOWS
404 #endif /* CONFIG_NATIVE_WINDOWS */
406 eap_server_unregister_methods();
408 os_daemonize_terminate(pid_file);
412 static int hostapd_global_run(struct hapd_interfaces *ifaces, int daemonize,
413 const char *pid_file)
415 #ifdef EAP_SERVER_TNC
419 for (i = 0; !tnc && i < ifaces->count; i++) {
420 for (k = 0; k < ifaces->iface[i]->num_bss; k++) {
421 if (ifaces->iface[i]->bss[0]->conf->tnc) {
428 if (tnc && tncs_global_init() < 0) {
429 wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
432 #endif /* EAP_SERVER_TNC */
434 if (daemonize && os_daemonize(pid_file)) {
445 static void show_version(void)
448 "hostapd v" VERSION_STR "\n"
449 "User space daemon for IEEE 802.11 AP management,\n"
450 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
451 "Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi> "
452 "and contributors\n");
456 static void usage(void)
461 "usage: hostapd [-hdBKtv] [-P <PID file>] "
462 "<configuration file(s)>\n"
465 " -h show this usage\n"
466 " -d show more debug messages (-dd for even more)\n"
467 " -B run daemon in the background\n"
469 " -K include key data in debug messages\n"
470 " -t include timestamps in some debug messages\n"
471 " -v show hostapd version\n");
477 int main(int argc, char *argv[])
479 struct hapd_interfaces interfaces;
482 int c, debug = 0, daemonize = 0;
483 char *pid_file = NULL;
485 if (os_program_init())
489 c = getopt(argc, argv, "BdhKP:tv");
498 if (wpa_debug_level > 0)
505 wpa_debug_show_keys++;
509 pid_file = os_rel2abs_path(optarg);
512 wpa_debug_timestamp++;
528 interfaces.count = argc - optind;
529 interfaces.iface = os_malloc(interfaces.count *
530 sizeof(struct hostapd_iface *));
531 if (interfaces.iface == NULL) {
532 wpa_printf(MSG_ERROR, "malloc failed\n");
536 if (hostapd_global_init(&interfaces))
539 /* Initialize interfaces */
540 for (i = 0; i < interfaces.count; i++) {
541 interfaces.iface[i] = hostapd_interface_init(&interfaces,
544 if (!interfaces.iface[i])
548 if (hostapd_global_run(&interfaces, daemonize, pid_file))
554 /* Deinitialize all interfaces */
555 for (i = 0; i < interfaces.count; i++)
556 hostapd_interface_deinit_free(interfaces.iface[i]);
557 os_free(interfaces.iface);
559 hostapd_global_deinit(pid_file);