3 * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #include "utils/includes.h"
10 #ifndef CONFIG_NATIVE_WINDOWS
13 #endif /* CONFIG_NATIVE_WINDOWS */
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "crypto/random.h"
18 #include "crypto/tls.h"
19 #include "common/version.h"
20 #include "drivers/driver.h"
21 #include "eap_server/eap.h"
22 #include "eap_server/tncs.h"
23 #include "ap/hostapd.h"
24 #include "ap/ap_config.h"
25 #include "ap/ap_drv_ops.h"
26 #include "config_file.h"
27 #include "eap_register.h"
28 #include "dump_state.h"
29 #include "ctrl_iface.h"
32 extern int wpa_debug_level
;
33 extern int wpa_debug_show_keys
;
34 extern int wpa_debug_timestamp
;
36 extern struct wpa_driver_ops
*wpa_drivers
[];
44 static struct hapd_global global
;
47 #ifndef CONFIG_NO_HOSTAPD_LOGGER
48 static void hostapd_logger_cb(void *ctx
, const u8
*addr
, unsigned int module
,
49 int level
, const char *txt
, size_t len
)
51 struct hostapd_data
*hapd
= ctx
;
52 char *format
, *module_str
;
54 int conf_syslog_level
, conf_stdout_level
;
55 unsigned int conf_syslog
, conf_stdout
;
58 format
= os_malloc(maxlen
);
62 if (hapd
&& hapd
->conf
) {
63 conf_syslog_level
= hapd
->conf
->logger_syslog_level
;
64 conf_stdout_level
= hapd
->conf
->logger_stdout_level
;
65 conf_syslog
= hapd
->conf
->logger_syslog
;
66 conf_stdout
= hapd
->conf
->logger_stdout
;
68 conf_syslog_level
= conf_stdout_level
= 0;
69 conf_syslog
= conf_stdout
= (unsigned int) -1;
73 case HOSTAPD_MODULE_IEEE80211
:
74 module_str
= "IEEE 802.11";
76 case HOSTAPD_MODULE_IEEE8021X
:
77 module_str
= "IEEE 802.1X";
79 case HOSTAPD_MODULE_RADIUS
:
80 module_str
= "RADIUS";
82 case HOSTAPD_MODULE_WPA
:
85 case HOSTAPD_MODULE_DRIVER
:
86 module_str
= "DRIVER";
88 case HOSTAPD_MODULE_IAPP
:
91 case HOSTAPD_MODULE_MLME
:
99 if (hapd
&& hapd
->conf
&& addr
)
100 os_snprintf(format
, maxlen
, "%s: STA " MACSTR
"%s%s: %s",
101 hapd
->conf
->iface
, MAC2STR(addr
),
102 module_str
? " " : "", module_str
, txt
);
103 else if (hapd
&& hapd
->conf
)
104 os_snprintf(format
, maxlen
, "%s:%s%s %s",
105 hapd
->conf
->iface
, module_str
? " " : "",
108 os_snprintf(format
, maxlen
, "STA " MACSTR
"%s%s: %s",
109 MAC2STR(addr
), module_str
? " " : "",
112 os_snprintf(format
, maxlen
, "%s%s%s",
113 module_str
, module_str
? ": " : "", txt
);
115 if ((conf_stdout
& module
) && level
>= conf_stdout_level
) {
116 wpa_debug_print_timestamp();
117 wpa_printf(MSG_INFO
, "%s", format
);
120 #ifndef CONFIG_NATIVE_WINDOWS
121 if ((conf_syslog
& module
) && level
>= conf_syslog_level
) {
124 case HOSTAPD_LEVEL_DEBUG_VERBOSE
:
125 case HOSTAPD_LEVEL_DEBUG
:
126 priority
= LOG_DEBUG
;
128 case HOSTAPD_LEVEL_INFO
:
131 case HOSTAPD_LEVEL_NOTICE
:
132 priority
= LOG_NOTICE
;
134 case HOSTAPD_LEVEL_WARNING
:
135 priority
= LOG_WARNING
;
141 syslog(priority
, "%s", format
);
143 #endif /* CONFIG_NATIVE_WINDOWS */
147 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
150 static int hostapd_driver_init(struct hostapd_iface
*iface
)
152 struct wpa_init_params params
;
154 struct hostapd_data
*hapd
= iface
->bss
[0];
155 struct hostapd_bss_config
*conf
= hapd
->conf
;
157 struct wpa_driver_capa capa
;
159 if (hapd
->driver
== NULL
|| hapd
->driver
->hapd_init
== NULL
) {
160 wpa_printf(MSG_ERROR
, "No hostapd driver wrapper available");
164 /* Initialize the driver interface */
165 if (!(b
[0] | b
[1] | b
[2] | b
[3] | b
[4] | b
[5]))
168 os_memset(¶ms
, 0, sizeof(params
));
169 for (i
= 0; wpa_drivers
[i
]; i
++) {
170 if (wpa_drivers
[i
] != hapd
->driver
)
173 if (global
.drv_priv
[i
] == NULL
&&
174 wpa_drivers
[i
]->global_init
) {
175 global
.drv_priv
[i
] = wpa_drivers
[i
]->global_init();
176 if (global
.drv_priv
[i
] == NULL
) {
177 wpa_printf(MSG_ERROR
, "Failed to initialize "
179 wpa_drivers
[i
]->name
);
184 params
.global_priv
= global
.drv_priv
[i
];
188 params
.ifname
= hapd
->conf
->iface
;
189 params
.ssid
= hapd
->conf
->ssid
.ssid
;
190 params
.ssid_len
= hapd
->conf
->ssid
.ssid_len
;
191 params
.test_socket
= hapd
->conf
->test_socket
;
192 params
.use_pae_group_addr
= hapd
->conf
->use_pae_group_addr
;
194 params
.num_bridge
= hapd
->iface
->num_bss
;
195 params
.bridge
= os_calloc(hapd
->iface
->num_bss
, sizeof(char *));
196 if (params
.bridge
== NULL
)
198 for (i
= 0; i
< hapd
->iface
->num_bss
; i
++) {
199 struct hostapd_data
*bss
= hapd
->iface
->bss
[i
];
200 if (bss
->conf
->bridge
[0])
201 params
.bridge
[i
] = bss
->conf
->bridge
;
204 params
.own_addr
= hapd
->own_addr
;
206 hapd
->drv_priv
= hapd
->driver
->hapd_init(hapd
, ¶ms
);
207 os_free(params
.bridge
);
208 if (hapd
->drv_priv
== NULL
) {
209 wpa_printf(MSG_ERROR
, "%s driver initialization failed.",
215 if (hapd
->driver
->get_capa
&&
216 hapd
->driver
->get_capa(hapd
->drv_priv
, &capa
) == 0) {
217 iface
->drv_flags
= capa
.flags
;
218 iface
->probe_resp_offloads
= capa
.probe_resp_offloads
;
219 iface
->extended_capa
= capa
.extended_capa
;
220 iface
->extended_capa_mask
= capa
.extended_capa_mask
;
221 iface
->extended_capa_len
= capa
.extended_capa_len
;
222 iface
->drv_max_acl_mac_addrs
= capa
.max_acl_mac_addrs
;
225 #ifdef CONFIG_INTERWORKING
226 if (hapd
->driver
->set_qos_map
&& conf
->qos_map_set_len
&&
227 hapd
->driver
->set_qos_map(hapd
->drv_priv
, conf
->qos_map_set
,
228 conf
->qos_map_set_len
)) {
229 wpa_printf(MSG_ERROR
, "Failed to initialize QoS Map.");
232 #endif /* CONFIG_INTERWORKING */
238 static struct hostapd_iface
*
239 hostapd_interface_init(struct hapd_interfaces
*interfaces
,
240 const char *config_fname
, int debug
)
242 struct hostapd_iface
*iface
;
245 wpa_printf(MSG_ERROR
, "Configuration file: %s", config_fname
);
246 iface
= hostapd_init(interfaces
, config_fname
);
249 iface
->interfaces
= interfaces
;
251 for (k
= 0; k
< debug
; k
++) {
252 if (iface
->bss
[0]->conf
->logger_stdout_level
> 0)
253 iface
->bss
[0]->conf
->logger_stdout_level
--;
256 if (iface
->conf
->bss
[0]->iface
[0] == '\0' &&
257 !hostapd_drv_none(iface
->bss
[0])) {
258 wpa_printf(MSG_ERROR
, "Interface name not specified in %s",
260 hostapd_interface_deinit_free(iface
);
264 if (hostapd_driver_init(iface
) ||
265 hostapd_setup_interface(iface
)) {
266 hostapd_interface_deinit_free(iface
);
270 iface
->init_done
= 1;
276 static int hostapd_interface_init2(struct hostapd_iface
*iface
)
278 if (iface
->init_done
)
281 if (hostapd_driver_init(iface
) ||
282 hostapd_setup_interface(iface
))
284 iface
->init_done
= 1;
291 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
293 static void handle_term(int sig
, void *signal_ctx
)
295 wpa_printf(MSG_DEBUG
, "Signal %d received - terminating", sig
);
300 #ifndef CONFIG_NATIVE_WINDOWS
302 static int handle_reload_iface(struct hostapd_iface
*iface
, void *ctx
)
304 if (hostapd_reload_config(iface
) < 0) {
305 wpa_printf(MSG_WARNING
, "Failed to read new configuration "
306 "file - continuing with old.");
313 * handle_reload - SIGHUP handler to reload configuration
315 static void handle_reload(int sig
, void *signal_ctx
)
317 struct hapd_interfaces
*interfaces
= signal_ctx
;
318 wpa_printf(MSG_DEBUG
, "Signal %d received - reloading configuration",
320 hostapd_for_each_interface(interfaces
, handle_reload_iface
, NULL
);
324 static void handle_dump_state(int sig
, void *signal_ctx
)
326 #ifdef HOSTAPD_DUMP_STATE
327 struct hapd_interfaces
*interfaces
= signal_ctx
;
328 hostapd_for_each_interface(interfaces
, handle_dump_state_iface
, NULL
);
329 #endif /* HOSTAPD_DUMP_STATE */
331 #endif /* CONFIG_NATIVE_WINDOWS */
334 static int hostapd_global_init(struct hapd_interfaces
*interfaces
,
335 const char *entropy_file
)
339 os_memset(&global
, 0, sizeof(global
));
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 random_init(entropy_file
);
355 #ifndef CONFIG_NATIVE_WINDOWS
356 eloop_register_signal(SIGHUP
, handle_reload
, interfaces
);
357 eloop_register_signal(SIGUSR1
, handle_dump_state
, interfaces
);
358 #endif /* CONFIG_NATIVE_WINDOWS */
359 eloop_register_signal_terminate(handle_term
, interfaces
);
361 #ifndef CONFIG_NATIVE_WINDOWS
362 openlog("hostapd", 0, LOG_DAEMON
);
363 #endif /* CONFIG_NATIVE_WINDOWS */
365 for (i
= 0; wpa_drivers
[i
]; i
++)
367 if (global
.drv_count
== 0) {
368 wpa_printf(MSG_ERROR
, "No drivers enabled");
371 global
.drv_priv
= os_calloc(global
.drv_count
, sizeof(void *));
372 if (global
.drv_priv
== NULL
)
379 static void hostapd_global_deinit(const char *pid_file
)
383 for (i
= 0; wpa_drivers
[i
] && global
.drv_priv
; i
++) {
384 if (!global
.drv_priv
[i
])
386 wpa_drivers
[i
]->global_deinit(global
.drv_priv
[i
]);
388 os_free(global
.drv_priv
);
389 global
.drv_priv
= NULL
;
391 #ifdef EAP_SERVER_TNC
392 tncs_global_deinit();
393 #endif /* EAP_SERVER_TNC */
399 #ifndef CONFIG_NATIVE_WINDOWS
401 #endif /* CONFIG_NATIVE_WINDOWS */
403 eap_server_unregister_methods();
405 os_daemonize_terminate(pid_file
);
409 static int hostapd_global_run(struct hapd_interfaces
*ifaces
, int daemonize
,
410 const char *pid_file
)
412 #ifdef EAP_SERVER_TNC
416 for (i
= 0; !tnc
&& i
< ifaces
->count
; i
++) {
417 for (k
= 0; k
< ifaces
->iface
[i
]->num_bss
; k
++) {
418 if (ifaces
->iface
[i
]->bss
[0]->conf
->tnc
) {
425 if (tnc
&& tncs_global_init() < 0) {
426 wpa_printf(MSG_ERROR
, "Failed to initialize TNCS");
429 #endif /* EAP_SERVER_TNC */
431 if (daemonize
&& os_daemonize(pid_file
)) {
442 static void show_version(void)
445 "hostapd v" VERSION_STR
"\n"
446 "User space daemon for IEEE 802.11 AP management,\n"
447 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
448 "Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi> "
449 "and contributors\n");
453 static void usage(void)
458 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
460 " [-g <global ctrl_iface>] [-G <group>] \\\n"
461 " <configuration file(s)>\n"
464 " -h show this usage\n"
465 " -d show more debug messages (-dd for even more)\n"
466 " -B run daemon in the background\n"
468 " -g global control interface path\n"
469 " -G group for control interfaces\n"
471 " -K include key data in debug messages\n"
472 #ifdef CONFIG_DEBUG_FILE
473 " -f log output to debug file instead of stdout\n"
474 #endif /* CONFIG_DEBUG_FILE */
475 #ifdef CONFIG_DEBUG_LINUX_TRACING
476 " -T = record to Linux tracing in addition to logging\n"
477 " (records all messages regardless of debug verbosity)\n"
478 #endif /* CONFIG_DEBUG_LINUX_TRACING */
479 " -t include timestamps in some debug messages\n"
480 " -v show hostapd version\n");
486 static const char * hostapd_msg_ifname_cb(void *ctx
)
488 struct hostapd_data
*hapd
= ctx
;
489 if (hapd
&& hapd
->iconf
&& hapd
->iconf
->bss
&&
490 hapd
->iconf
->num_bss
> 0 && hapd
->iconf
->bss
[0])
491 return hapd
->iconf
->bss
[0]->iface
;
496 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces
*interfaces
,
500 os_free(interfaces
->global_iface_path
);
501 interfaces
->global_iface_path
= os_strdup(path
);
502 if (interfaces
->global_iface_path
== NULL
)
504 pos
= os_strrchr(interfaces
->global_iface_path
, '/');
506 wpa_printf(MSG_ERROR
, "No '/' in the global control interface "
508 os_free(interfaces
->global_iface_path
);
509 interfaces
->global_iface_path
= NULL
;
514 interfaces
->global_iface_name
= pos
+ 1;
520 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces
*interfaces
,
523 #ifndef CONFIG_NATIVE_WINDOWS
525 grp
= getgrnam(group
);
527 wpa_printf(MSG_ERROR
, "Unknown group '%s'", group
);
530 interfaces
->ctrl_iface_group
= grp
->gr_gid
;
531 #endif /* CONFIG_NATIVE_WINDOWS */
536 int main(int argc
, char *argv
[])
538 struct hapd_interfaces interfaces
;
541 int c
, debug
= 0, daemonize
= 0;
542 char *pid_file
= NULL
;
543 const char *log_file
= NULL
;
544 const char *entropy_file
= NULL
;
545 char **bss_config
= NULL
, **tmp_bss
;
546 size_t num_bss_configs
= 0;
547 #ifdef CONFIG_DEBUG_LINUX_TRACING
548 int enable_trace_dbg
= 0;
549 #endif /* CONFIG_DEBUG_LINUX_TRACING */
551 if (os_program_init())
554 os_memset(&interfaces
, 0, sizeof(interfaces
));
555 interfaces
.reload_config
= hostapd_reload_config
;
556 interfaces
.config_read_cb
= hostapd_config_read
;
557 interfaces
.for_each_interface
= hostapd_for_each_interface
;
558 interfaces
.ctrl_iface_init
= hostapd_ctrl_iface_init
;
559 interfaces
.ctrl_iface_deinit
= hostapd_ctrl_iface_deinit
;
560 interfaces
.driver_init
= hostapd_driver_init
;
561 interfaces
.global_iface_path
= NULL
;
562 interfaces
.global_iface_name
= NULL
;
563 interfaces
.global_ctrl_sock
= -1;
566 c
= getopt(argc
, argv
, "b:Bde:f:hKP:Ttvg:G:");
575 if (wpa_debug_level
> 0)
582 entropy_file
= optarg
;
588 wpa_debug_show_keys
++;
592 pid_file
= os_rel2abs_path(optarg
);
595 wpa_debug_timestamp
++;
597 #ifdef CONFIG_DEBUG_LINUX_TRACING
599 enable_trace_dbg
= 1;
601 #endif /* CONFIG_DEBUG_LINUX_TRACING */
607 if (hostapd_get_global_ctrl_iface(&interfaces
, optarg
))
611 if (hostapd_get_ctrl_iface_group(&interfaces
, optarg
))
615 tmp_bss
= os_realloc_array(bss_config
,
620 bss_config
= tmp_bss
;
621 bss_config
[num_bss_configs
++] = optarg
;
629 if (optind
== argc
&& interfaces
.global_iface_path
== NULL
&&
630 num_bss_configs
== 0)
633 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb
);
636 wpa_debug_open_file(log_file
);
637 #ifdef CONFIG_DEBUG_LINUX_TRACING
638 if (enable_trace_dbg
) {
639 int tret
= wpa_debug_open_linux_tracing();
641 wpa_printf(MSG_ERROR
, "Failed to enable trace logging");
645 #endif /* CONFIG_DEBUG_LINUX_TRACING */
647 interfaces
.count
= argc
- optind
;
648 if (interfaces
.count
|| num_bss_configs
) {
649 interfaces
.iface
= os_calloc(interfaces
.count
+ num_bss_configs
,
650 sizeof(struct hostapd_iface
*));
651 if (interfaces
.iface
== NULL
) {
652 wpa_printf(MSG_ERROR
, "malloc failed");
657 if (hostapd_global_init(&interfaces
, entropy_file
)) {
658 wpa_printf(MSG_ERROR
, "Failed to initilize global context");
662 /* Initialize interfaces */
663 for (i
= 0; i
< interfaces
.count
; i
++) {
664 interfaces
.iface
[i
] = hostapd_interface_init(&interfaces
,
667 if (!interfaces
.iface
[i
]) {
668 wpa_printf(MSG_ERROR
, "Failed to initialize interface");
673 for (i
= 0; i
< num_bss_configs
; i
++) {
674 struct hostapd_iface
*iface
;
677 wpa_printf(MSG_INFO
, "BSS config: %s", bss_config
[i
]);
678 fname
= os_strchr(bss_config
[i
], ':');
680 wpa_printf(MSG_ERROR
,
681 "Invalid BSS config identifier '%s'",
686 iface
= hostapd_interface_init_bss(&interfaces
, bss_config
[i
],
690 for (j
= 0; j
< interfaces
.count
; j
++) {
691 if (interfaces
.iface
[j
] == iface
)
694 if (j
== interfaces
.count
) {
695 struct hostapd_iface
**tmp
;
696 tmp
= os_realloc_array(interfaces
.iface
,
697 interfaces
.count
+ 1,
698 sizeof(struct hostapd_iface
*));
700 hostapd_interface_deinit_free(iface
);
703 interfaces
.iface
= tmp
;
704 interfaces
.iface
[interfaces
.count
++] = iface
;
708 for (i
= 0; i
< interfaces
.count
; i
++) {
709 if (hostapd_interface_init2(interfaces
.iface
[i
]) < 0)
713 hostapd_global_ctrl_iface_init(&interfaces
);
715 if (hostapd_global_run(&interfaces
, daemonize
, pid_file
)) {
716 wpa_printf(MSG_ERROR
, "Failed to start eloop");
723 hostapd_global_ctrl_iface_deinit(&interfaces
);
724 /* Deinitialize all interfaces */
725 for (i
= 0; i
< interfaces
.count
; i
++)
726 hostapd_interface_deinit_free(interfaces
.iface
[i
]);
727 os_free(interfaces
.iface
);
729 hostapd_global_deinit(pid_file
);
733 wpa_debug_close_file();
734 wpa_debug_close_linux_tracing();