3 * Copyright (c) 2002-2011, 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/random.h"
23 #include "crypto/tls.h"
24 #include "common/version.h"
25 #include "drivers/driver.h"
26 #include "eap_server/eap.h"
27 #include "eap_server/tncs.h"
28 #include "ap/hostapd.h"
29 #include "ap/ap_config.h"
30 #include "config_file.h"
31 #include "eap_register.h"
32 #include "dump_state.h"
33 #include "ctrl_iface.h"
36 extern int wpa_debug_level
;
37 extern int wpa_debug_show_keys
;
38 extern int wpa_debug_timestamp
;
41 struct hapd_interfaces
{
43 struct hostapd_iface
**iface
;
47 static int hostapd_for_each_interface(struct hapd_interfaces
*interfaces
,
48 int (*cb
)(struct hostapd_iface
*iface
,
49 void *ctx
), void *ctx
)
54 for (i
= 0; i
< interfaces
->count
; i
++) {
55 ret
= cb(interfaces
->iface
[i
], ctx
);
64 #ifndef CONFIG_NO_HOSTAPD_LOGGER
65 static void hostapd_logger_cb(void *ctx
, const u8
*addr
, unsigned int module
,
66 int level
, const char *txt
, size_t len
)
68 struct hostapd_data
*hapd
= ctx
;
69 char *format
, *module_str
;
71 int conf_syslog_level
, conf_stdout_level
;
72 unsigned int conf_syslog
, conf_stdout
;
75 format
= os_malloc(maxlen
);
79 if (hapd
&& hapd
->conf
) {
80 conf_syslog_level
= hapd
->conf
->logger_syslog_level
;
81 conf_stdout_level
= hapd
->conf
->logger_stdout_level
;
82 conf_syslog
= hapd
->conf
->logger_syslog
;
83 conf_stdout
= hapd
->conf
->logger_stdout
;
85 conf_syslog_level
= conf_stdout_level
= 0;
86 conf_syslog
= conf_stdout
= (unsigned int) -1;
90 case HOSTAPD_MODULE_IEEE80211
:
91 module_str
= "IEEE 802.11";
93 case HOSTAPD_MODULE_IEEE8021X
:
94 module_str
= "IEEE 802.1X";
96 case HOSTAPD_MODULE_RADIUS
:
97 module_str
= "RADIUS";
99 case HOSTAPD_MODULE_WPA
:
102 case HOSTAPD_MODULE_DRIVER
:
103 module_str
= "DRIVER";
105 case HOSTAPD_MODULE_IAPP
:
108 case HOSTAPD_MODULE_MLME
:
116 if (hapd
&& hapd
->conf
&& addr
)
117 os_snprintf(format
, maxlen
, "%s: STA " MACSTR
"%s%s: %s",
118 hapd
->conf
->iface
, MAC2STR(addr
),
119 module_str
? " " : "", module_str
, txt
);
120 else if (hapd
&& hapd
->conf
)
121 os_snprintf(format
, maxlen
, "%s:%s%s %s",
122 hapd
->conf
->iface
, module_str
? " " : "",
125 os_snprintf(format
, maxlen
, "STA " MACSTR
"%s%s: %s",
126 MAC2STR(addr
), module_str
? " " : "",
129 os_snprintf(format
, maxlen
, "%s%s%s",
130 module_str
, module_str
? ": " : "", txt
);
132 if ((conf_stdout
& module
) && level
>= conf_stdout_level
) {
133 wpa_debug_print_timestamp();
134 printf("%s\n", format
);
137 #ifndef CONFIG_NATIVE_WINDOWS
138 if ((conf_syslog
& module
) && level
>= conf_syslog_level
) {
141 case HOSTAPD_LEVEL_DEBUG_VERBOSE
:
142 case HOSTAPD_LEVEL_DEBUG
:
143 priority
= LOG_DEBUG
;
145 case HOSTAPD_LEVEL_INFO
:
148 case HOSTAPD_LEVEL_NOTICE
:
149 priority
= LOG_NOTICE
;
151 case HOSTAPD_LEVEL_WARNING
:
152 priority
= LOG_WARNING
;
158 syslog(priority
, "%s", format
);
160 #endif /* CONFIG_NATIVE_WINDOWS */
164 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
168 * hostapd_init - Allocate and initialize per-interface data
169 * @config_file: Path to the configuration file
170 * Returns: Pointer to the allocated interface data or %NULL on failure
172 * This function is used to allocate main data structures for per-interface
173 * data. The allocated data buffer will be freed by calling
174 * hostapd_cleanup_iface().
176 static struct hostapd_iface
* hostapd_init(const char *config_file
)
178 struct hostapd_iface
*hapd_iface
= NULL
;
179 struct hostapd_config
*conf
= NULL
;
180 struct hostapd_data
*hapd
;
183 hapd_iface
= os_zalloc(sizeof(*hapd_iface
));
184 if (hapd_iface
== NULL
)
187 hapd_iface
->reload_config
= hostapd_reload_config
;
188 hapd_iface
->config_read_cb
= hostapd_config_read
;
189 hapd_iface
->config_fname
= os_strdup(config_file
);
190 if (hapd_iface
->config_fname
== NULL
)
192 hapd_iface
->ctrl_iface_init
= hostapd_ctrl_iface_init
;
193 hapd_iface
->ctrl_iface_deinit
= hostapd_ctrl_iface_deinit
;
194 hapd_iface
->for_each_interface
= hostapd_for_each_interface
;
196 conf
= hostapd_config_read(hapd_iface
->config_fname
);
199 hapd_iface
->conf
= conf
;
201 hapd_iface
->num_bss
= conf
->num_bss
;
202 hapd_iface
->bss
= os_zalloc(conf
->num_bss
*
203 sizeof(struct hostapd_data
*));
204 if (hapd_iface
->bss
== NULL
)
207 for (i
= 0; i
< conf
->num_bss
; i
++) {
208 hapd
= hapd_iface
->bss
[i
] =
209 hostapd_alloc_bss_data(hapd_iface
, conf
,
213 hapd
->msg_ctx
= hapd
;
220 hostapd_config_free(conf
);
222 os_free(hapd_iface
->config_fname
);
223 os_free(hapd_iface
->bss
);
230 static int hostapd_driver_init(struct hostapd_iface
*iface
)
232 struct wpa_init_params params
;
234 struct hostapd_data
*hapd
= iface
->bss
[0];
235 struct hostapd_bss_config
*conf
= hapd
->conf
;
237 struct wpa_driver_capa capa
;
239 if (hapd
->driver
== NULL
|| hapd
->driver
->hapd_init
== NULL
) {
240 wpa_printf(MSG_ERROR
, "No hostapd driver wrapper available");
244 /* Initialize the driver interface */
245 if (!(b
[0] | b
[1] | b
[2] | b
[3] | b
[4] | b
[5]))
248 os_memset(¶ms
, 0, sizeof(params
));
250 params
.ifname
= hapd
->conf
->iface
;
251 params
.ssid
= (const u8
*) hapd
->conf
->ssid
.ssid
;
252 params
.ssid_len
= hapd
->conf
->ssid
.ssid_len
;
253 params
.test_socket
= hapd
->conf
->test_socket
;
254 params
.use_pae_group_addr
= hapd
->conf
->use_pae_group_addr
;
256 params
.num_bridge
= hapd
->iface
->num_bss
;
257 params
.bridge
= os_zalloc(hapd
->iface
->num_bss
* sizeof(char *));
258 if (params
.bridge
== NULL
)
260 for (i
= 0; i
< hapd
->iface
->num_bss
; i
++) {
261 struct hostapd_data
*bss
= hapd
->iface
->bss
[i
];
262 if (bss
->conf
->bridge
[0])
263 params
.bridge
[i
] = bss
->conf
->bridge
;
266 params
.own_addr
= hapd
->own_addr
;
268 hapd
->drv_priv
= hapd
->driver
->hapd_init(hapd
, ¶ms
);
269 os_free(params
.bridge
);
270 if (hapd
->drv_priv
== NULL
) {
271 wpa_printf(MSG_ERROR
, "%s driver initialization failed.",
277 if (hapd
->driver
->get_capa
&&
278 hapd
->driver
->get_capa(hapd
->drv_priv
, &capa
) == 0)
279 iface
->drv_flags
= capa
.flags
;
285 static void hostapd_interface_deinit_free(struct hostapd_iface
*iface
)
287 const struct wpa_driver_ops
*driver
;
291 driver
= iface
->bss
[0]->driver
;
292 drv_priv
= iface
->bss
[0]->drv_priv
;
293 hostapd_interface_deinit(iface
);
294 if (driver
&& driver
->hapd_deinit
)
295 driver
->hapd_deinit(drv_priv
);
296 hostapd_interface_free(iface
);
300 static struct hostapd_iface
*
301 hostapd_interface_init(struct hapd_interfaces
*interfaces
,
302 const char *config_fname
, int debug
)
304 struct hostapd_iface
*iface
;
307 wpa_printf(MSG_ERROR
, "Configuration file: %s", config_fname
);
308 iface
= hostapd_init(config_fname
);
311 iface
->interfaces
= interfaces
;
313 for (k
= 0; k
< debug
; k
++) {
314 if (iface
->bss
[0]->conf
->logger_stdout_level
> 0)
315 iface
->bss
[0]->conf
->logger_stdout_level
--;
318 if (hostapd_driver_init(iface
) ||
319 hostapd_setup_interface(iface
)) {
320 hostapd_interface_deinit_free(iface
);
329 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
331 static void handle_term(int sig
, void *signal_ctx
)
333 wpa_printf(MSG_DEBUG
, "Signal %d received - terminating", sig
);
338 #ifndef CONFIG_NATIVE_WINDOWS
340 static int handle_reload_iface(struct hostapd_iface
*iface
, void *ctx
)
342 if (hostapd_reload_config(iface
) < 0) {
343 wpa_printf(MSG_WARNING
, "Failed to read new configuration "
344 "file - continuing with old.");
351 * handle_reload - SIGHUP handler to reload configuration
353 static void handle_reload(int sig
, void *signal_ctx
)
355 struct hapd_interfaces
*interfaces
= signal_ctx
;
356 wpa_printf(MSG_DEBUG
, "Signal %d received - reloading configuration",
358 hostapd_for_each_interface(interfaces
, handle_reload_iface
, NULL
);
362 static void handle_dump_state(int sig
, void *signal_ctx
)
364 #ifdef HOSTAPD_DUMP_STATE
365 struct hapd_interfaces
*interfaces
= signal_ctx
;
366 hostapd_for_each_interface(interfaces
, handle_dump_state_iface
, NULL
);
367 #endif /* HOSTAPD_DUMP_STATE */
369 #endif /* CONFIG_NATIVE_WINDOWS */
372 static int hostapd_global_init(struct hapd_interfaces
*interfaces
)
374 hostapd_logger_register_cb(hostapd_logger_cb
);
376 if (eap_server_register_methods()) {
377 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
382 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
388 #ifndef CONFIG_NATIVE_WINDOWS
389 eloop_register_signal(SIGHUP
, handle_reload
, interfaces
);
390 eloop_register_signal(SIGUSR1
, handle_dump_state
, interfaces
);
391 #endif /* CONFIG_NATIVE_WINDOWS */
392 eloop_register_signal_terminate(handle_term
, interfaces
);
394 #ifndef CONFIG_NATIVE_WINDOWS
395 openlog("hostapd", 0, LOG_DAEMON
);
396 #endif /* CONFIG_NATIVE_WINDOWS */
402 static void hostapd_global_deinit(const char *pid_file
)
404 #ifdef EAP_SERVER_TNC
405 tncs_global_deinit();
406 #endif /* EAP_SERVER_TNC */
412 #ifndef CONFIG_NATIVE_WINDOWS
414 #endif /* CONFIG_NATIVE_WINDOWS */
416 eap_server_unregister_methods();
418 os_daemonize_terminate(pid_file
);
422 static int hostapd_global_run(struct hapd_interfaces
*ifaces
, int daemonize
,
423 const char *pid_file
)
425 #ifdef EAP_SERVER_TNC
429 for (i
= 0; !tnc
&& i
< ifaces
->count
; i
++) {
430 for (k
= 0; k
< ifaces
->iface
[i
]->num_bss
; k
++) {
431 if (ifaces
->iface
[i
]->bss
[0]->conf
->tnc
) {
438 if (tnc
&& tncs_global_init() < 0) {
439 wpa_printf(MSG_ERROR
, "Failed to initialize TNCS");
442 #endif /* EAP_SERVER_TNC */
444 if (daemonize
&& os_daemonize(pid_file
)) {
455 static void show_version(void)
458 "hostapd v" VERSION_STR
"\n"
459 "User space daemon for IEEE 802.11 AP management,\n"
460 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
461 "Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> "
462 "and contributors\n");
466 static void usage(void)
471 "usage: hostapd [-hdBKtv] [-P <PID file>] "
472 "<configuration file(s)>\n"
475 " -h show this usage\n"
476 " -d show more debug messages (-dd for even more)\n"
477 " -B run daemon in the background\n"
479 " -K include key data in debug messages\n"
480 #ifdef CONFIG_DEBUG_FILE
481 " -f log output to debug file instead of stdout\n"
482 #endif /* CONFIG_DEBUG_FILE */
483 " -t include timestamps in some debug messages\n"
484 " -v show hostapd version\n");
490 static const char * hostapd_msg_ifname_cb(void *ctx
)
492 struct hostapd_data
*hapd
= ctx
;
493 if (hapd
&& hapd
->iconf
&& hapd
->iconf
->bss
)
494 return hapd
->iconf
->bss
->iface
;
499 int main(int argc
, char *argv
[])
501 struct hapd_interfaces interfaces
;
504 int c
, debug
= 0, daemonize
= 0;
505 char *pid_file
= NULL
;
506 const char *log_file
= NULL
;
508 if (os_program_init())
512 c
= getopt(argc
, argv
, "Bdf:hKP:tv");
521 if (wpa_debug_level
> 0)
531 wpa_debug_show_keys
++;
535 pid_file
= os_rel2abs_path(optarg
);
538 wpa_debug_timestamp
++;
554 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb
);
557 wpa_debug_open_file(log_file
);
559 interfaces
.count
= argc
- optind
;
560 interfaces
.iface
= os_zalloc(interfaces
.count
*
561 sizeof(struct hostapd_iface
*));
562 if (interfaces
.iface
== NULL
) {
563 wpa_printf(MSG_ERROR
, "malloc failed");
567 if (hostapd_global_init(&interfaces
))
570 /* Initialize interfaces */
571 for (i
= 0; i
< interfaces
.count
; i
++) {
572 interfaces
.iface
[i
] = hostapd_interface_init(&interfaces
,
575 if (!interfaces
.iface
[i
])
579 if (hostapd_global_run(&interfaces
, daemonize
, pid_file
))
585 /* Deinitialize all interfaces */
586 for (i
= 0; i
< interfaces
.count
; i
++)
587 hostapd_interface_deinit_free(interfaces
.iface
[i
]);
588 os_free(interfaces
.iface
);
590 hostapd_global_deinit(pid_file
);
594 wpa_debug_close_file();