3 * Copyright (c) 2002-2009, 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.
16 #ifndef CONFIG_NATIVE_WINDOWS
18 #endif /* CONFIG_NATIVE_WINDOWS */
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/config.h"
29 #include "config_file.h"
32 extern int wpa_debug_level
;
33 extern int wpa_debug_show_keys
;
34 extern int wpa_debug_timestamp
;
37 struct hapd_interfaces
{
39 struct hostapd_iface
**iface
;
43 int hostapd_for_each_interface(struct hapd_interfaces
*interfaces
,
44 int (*cb
)(struct hostapd_iface
*iface
,
45 void *ctx
), void *ctx
)
50 for (i
= 0; i
< interfaces
->count
; i
++) {
51 ret
= cb(interfaces
->iface
[i
], ctx
);
60 #ifndef CONFIG_NO_HOSTAPD_LOGGER
61 static void hostapd_logger_cb(void *ctx
, const u8
*addr
, unsigned int module
,
62 int level
, const char *txt
, size_t len
)
64 struct hostapd_data
*hapd
= ctx
;
65 char *format
, *module_str
;
67 int conf_syslog_level
, conf_stdout_level
;
68 unsigned int conf_syslog
, conf_stdout
;
71 format
= os_malloc(maxlen
);
75 if (hapd
&& hapd
->conf
) {
76 conf_syslog_level
= hapd
->conf
->logger_syslog_level
;
77 conf_stdout_level
= hapd
->conf
->logger_stdout_level
;
78 conf_syslog
= hapd
->conf
->logger_syslog
;
79 conf_stdout
= hapd
->conf
->logger_stdout
;
81 conf_syslog_level
= conf_stdout_level
= 0;
82 conf_syslog
= conf_stdout
= (unsigned int) -1;
86 case HOSTAPD_MODULE_IEEE80211
:
87 module_str
= "IEEE 802.11";
89 case HOSTAPD_MODULE_IEEE8021X
:
90 module_str
= "IEEE 802.1X";
92 case HOSTAPD_MODULE_RADIUS
:
93 module_str
= "RADIUS";
95 case HOSTAPD_MODULE_WPA
:
98 case HOSTAPD_MODULE_DRIVER
:
99 module_str
= "DRIVER";
101 case HOSTAPD_MODULE_IAPP
:
104 case HOSTAPD_MODULE_MLME
:
112 if (hapd
&& hapd
->conf
&& addr
)
113 os_snprintf(format
, maxlen
, "%s: STA " MACSTR
"%s%s: %s",
114 hapd
->conf
->iface
, MAC2STR(addr
),
115 module_str
? " " : "", module_str
, txt
);
116 else if (hapd
&& hapd
->conf
)
117 os_snprintf(format
, maxlen
, "%s:%s%s %s",
118 hapd
->conf
->iface
, module_str
? " " : "",
121 os_snprintf(format
, maxlen
, "STA " MACSTR
"%s%s: %s",
122 MAC2STR(addr
), module_str
? " " : "",
125 os_snprintf(format
, maxlen
, "%s%s%s",
126 module_str
, module_str
? ": " : "", txt
);
128 if ((conf_stdout
& module
) && level
>= conf_stdout_level
) {
129 wpa_debug_print_timestamp();
130 printf("%s\n", format
);
133 #ifndef CONFIG_NATIVE_WINDOWS
134 if ((conf_syslog
& module
) && level
>= conf_syslog_level
) {
137 case HOSTAPD_LEVEL_DEBUG_VERBOSE
:
138 case HOSTAPD_LEVEL_DEBUG
:
139 priority
= LOG_DEBUG
;
141 case HOSTAPD_LEVEL_INFO
:
144 case HOSTAPD_LEVEL_NOTICE
:
145 priority
= LOG_NOTICE
;
147 case HOSTAPD_LEVEL_WARNING
:
148 priority
= LOG_WARNING
;
154 syslog(priority
, "%s", format
);
156 #endif /* CONFIG_NATIVE_WINDOWS */
160 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
164 * hostapd_init - Allocate and initialize per-interface data
165 * @config_file: Path to the configuration file
166 * Returns: Pointer to the allocated interface data or %NULL on failure
168 * This function is used to allocate main data structures for per-interface
169 * data. The allocated data buffer will be freed by calling
170 * hostapd_cleanup_iface().
172 static struct hostapd_iface
* hostapd_init(const char *config_file
)
174 struct hostapd_iface
*hapd_iface
= NULL
;
175 struct hostapd_config
*conf
= NULL
;
176 struct hostapd_data
*hapd
;
179 hapd_iface
= os_zalloc(sizeof(*hapd_iface
));
180 if (hapd_iface
== NULL
)
183 hapd_iface
->reload_config
= hostapd_reload_config
;
184 hapd_iface
->config_read_cb
= hostapd_config_read
;
185 hapd_iface
->config_fname
= os_strdup(config_file
);
186 if (hapd_iface
->config_fname
== NULL
)
189 conf
= hostapd_config_read(hapd_iface
->config_fname
);
192 hapd_iface
->conf
= conf
;
194 hapd_iface
->num_bss
= conf
->num_bss
;
195 hapd_iface
->bss
= os_zalloc(conf
->num_bss
*
196 sizeof(struct hostapd_data
*));
197 if (hapd_iface
->bss
== NULL
)
200 for (i
= 0; i
< conf
->num_bss
; i
++) {
201 hapd
= hapd_iface
->bss
[i
] =
202 hostapd_alloc_bss_data(hapd_iface
, conf
,
212 hostapd_config_free(conf
);
214 for (i
= 0; hapd_iface
->bss
&& i
< hapd_iface
->num_bss
; i
++) {
215 hapd
= hapd_iface
->bss
[i
];
216 if (hapd
&& hapd
->ssl_ctx
)
217 tls_deinit(hapd
->ssl_ctx
);
220 os_free(hapd_iface
->config_fname
);
221 os_free(hapd_iface
->bss
);
228 static int hostapd_driver_init(struct hostapd_iface
*iface
)
230 struct wpa_init_params params
;
232 struct hostapd_data
*hapd
= iface
->bss
[0];
233 struct hostapd_bss_config
*conf
= hapd
->conf
;
236 if (hapd
->driver
== NULL
|| hapd
->driver
->hapd_init
== NULL
) {
237 wpa_printf(MSG_ERROR
, "No hostapd driver wrapper available");
241 /* Initialize the driver interface */
242 if (!(b
[0] | b
[1] | b
[2] | b
[3] | b
[4] | b
[5]))
245 os_memset(¶ms
, 0, sizeof(params
));
247 params
.ifname
= hapd
->conf
->iface
;
248 params
.ssid
= (const u8
*) hapd
->conf
->ssid
.ssid
;
249 params
.ssid_len
= hapd
->conf
->ssid
.ssid_len
;
250 params
.test_socket
= hapd
->conf
->test_socket
;
251 params
.use_pae_group_addr
= hapd
->conf
->use_pae_group_addr
;
253 params
.num_bridge
= hapd
->iface
->num_bss
;
254 params
.bridge
= os_zalloc(hapd
->iface
->num_bss
* sizeof(char *));
255 if (params
.bridge
== NULL
)
257 for (i
= 0; i
< hapd
->iface
->num_bss
; i
++) {
258 struct hostapd_data
*bss
= hapd
->iface
->bss
[i
];
259 if (bss
->conf
->bridge
[0])
260 params
.bridge
[i
] = bss
->conf
->bridge
;
263 params
.own_addr
= hapd
->own_addr
;
265 hapd
->drv_priv
= hapd
->driver
->hapd_init(hapd
, ¶ms
);
266 os_free(params
.bridge
);
267 if (hapd
->drv_priv
== NULL
) {
268 wpa_printf(MSG_ERROR
, "%s driver initialization failed.",
278 static struct hostapd_iface
*
279 hostapd_interface_init(struct hapd_interfaces
*interfaces
,
280 const char *config_fname
, int debug
)
282 struct hostapd_iface
*iface
;
285 wpa_printf(MSG_ERROR
, "Configuration file: %s", config_fname
);
286 iface
= hostapd_init(config_fname
);
289 iface
->interfaces
= interfaces
;
291 for (k
= 0; k
< debug
; k
++) {
292 if (iface
->bss
[0]->conf
->logger_stdout_level
> 0)
293 iface
->bss
[0]->conf
->logger_stdout_level
--;
296 if (hostapd_driver_init(iface
) ||
297 hostapd_setup_interface(iface
)) {
298 hostapd_interface_deinit(iface
);
307 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
309 static void handle_term(int sig
, void *signal_ctx
)
311 wpa_printf(MSG_DEBUG
, "Signal %d received - terminating", sig
);
316 #ifndef CONFIG_NATIVE_WINDOWS
318 * handle_reload - SIGHUP handler to reload configuration
320 static void handle_reload(int sig
, void *signal_ctx
)
322 struct hapd_interfaces
*interfaces
= signal_ctx
;
323 wpa_printf(MSG_DEBUG
, "Signal %d received - reloading configuration",
325 hostapd_for_each_interface(interfaces
, handle_reload_iface
, NULL
);
329 static void handle_dump_state(int sig
, void *signal_ctx
)
331 #ifdef HOSTAPD_DUMP_STATE
332 struct hapd_interfaces
*interfaces
= signal_ctx
;
333 hostapd_for_each_interface(interfaces
, handle_dump_state_iface
, NULL
);
334 #endif /* HOSTAPD_DUMP_STATE */
336 #endif /* CONFIG_NATIVE_WINDOWS */
339 static int hostapd_global_init(struct hapd_interfaces
*interfaces
)
341 hostapd_logger_register_cb(hostapd_logger_cb
);
343 if (eap_server_register_methods()) {
344 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
349 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
353 #ifndef CONFIG_NATIVE_WINDOWS
354 eloop_register_signal(SIGHUP
, handle_reload
, interfaces
);
355 eloop_register_signal(SIGUSR1
, handle_dump_state
, interfaces
);
356 #endif /* CONFIG_NATIVE_WINDOWS */
357 eloop_register_signal_terminate(handle_term
, interfaces
);
359 #ifndef CONFIG_NATIVE_WINDOWS
360 openlog("hostapd", 0, LOG_DAEMON
);
361 #endif /* CONFIG_NATIVE_WINDOWS */
367 static void hostapd_global_deinit(const char *pid_file
)
369 #ifdef EAP_SERVER_TNC
370 tncs_global_deinit();
371 #endif /* EAP_SERVER_TNC */
375 #ifndef CONFIG_NATIVE_WINDOWS
377 #endif /* CONFIG_NATIVE_WINDOWS */
379 eap_server_unregister_methods();
381 os_daemonize_terminate(pid_file
);
385 static int hostapd_global_run(struct hapd_interfaces
*ifaces
, int daemonize
,
386 const char *pid_file
)
388 #ifdef EAP_SERVER_TNC
392 for (i
= 0; !tnc
&& i
< ifaces
->count
; i
++) {
393 for (k
= 0; k
< ifaces
->iface
[i
]->num_bss
; k
++) {
394 if (ifaces
->iface
[i
]->bss
[0]->conf
->tnc
) {
401 if (tnc
&& tncs_global_init() < 0) {
402 wpa_printf(MSG_ERROR
, "Failed to initialize TNCS");
405 #endif /* EAP_SERVER_TNC */
407 if (daemonize
&& os_daemonize(pid_file
)) {
418 static void show_version(void)
421 "hostapd v" VERSION_STR
"\n"
422 "User space daemon for IEEE 802.11 AP management,\n"
423 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
424 "Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> "
425 "and contributors\n");
429 static void usage(void)
434 "usage: hostapd [-hdBKtv] [-P <PID file>] "
435 "<configuration file(s)>\n"
438 " -h show this usage\n"
439 " -d show more debug messages (-dd for even more)\n"
440 " -B run daemon in the background\n"
442 " -K include key data in debug messages\n"
443 " -t include timestamps in some debug messages\n"
444 " -v show hostapd version\n");
450 int main(int argc
, char *argv
[])
452 struct hapd_interfaces interfaces
;
455 int c
, debug
= 0, daemonize
= 0;
456 char *pid_file
= NULL
;
458 if (os_program_init())
462 c
= getopt(argc
, argv
, "BdhKP:tv");
471 if (wpa_debug_level
> 0)
478 wpa_debug_show_keys
++;
482 pid_file
= os_rel2abs_path(optarg
);
485 wpa_debug_timestamp
++;
501 interfaces
.count
= argc
- optind
;
502 interfaces
.iface
= os_malloc(interfaces
.count
*
503 sizeof(struct hostapd_iface
*));
504 if (interfaces
.iface
== NULL
) {
505 wpa_printf(MSG_ERROR
, "malloc failed\n");
509 if (hostapd_global_init(&interfaces
))
512 /* Initialize interfaces */
513 for (i
= 0; i
< interfaces
.count
; i
++) {
514 interfaces
.iface
[i
] = hostapd_interface_init(&interfaces
,
517 if (!interfaces
.iface
[i
])
521 if (hostapd_global_run(&interfaces
, daemonize
, pid_file
))
527 /* Deinitialize all interfaces */
528 for (i
= 0; i
< interfaces
.count
; i
++)
529 hostapd_interface_deinit(interfaces
.iface
[i
]);
530 os_free(interfaces
.iface
);
532 hostapd_global_deinit(pid_file
);