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 printf("%s\n", 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 */
151 * hostapd_init - Allocate and initialize per-interface data
152 * @config_file: Path to the configuration file
153 * Returns: Pointer to the allocated interface data or %NULL on failure
155 * This function is used to allocate main data structures for per-interface
156 * data. The allocated data buffer will be freed by calling
157 * hostapd_cleanup_iface().
159 static struct hostapd_iface
* hostapd_init(const char *config_file
)
161 struct hostapd_iface
*hapd_iface
= NULL
;
162 struct hostapd_config
*conf
= NULL
;
163 struct hostapd_data
*hapd
;
166 hapd_iface
= os_zalloc(sizeof(*hapd_iface
));
167 if (hapd_iface
== NULL
)
170 hapd_iface
->config_fname
= os_strdup(config_file
);
171 if (hapd_iface
->config_fname
== NULL
)
174 conf
= hostapd_config_read(hapd_iface
->config_fname
);
177 hapd_iface
->conf
= conf
;
179 hapd_iface
->num_bss
= conf
->num_bss
;
180 hapd_iface
->bss
= os_calloc(conf
->num_bss
,
181 sizeof(struct hostapd_data
*));
182 if (hapd_iface
->bss
== NULL
)
185 for (i
= 0; i
< conf
->num_bss
; i
++) {
186 hapd
= hapd_iface
->bss
[i
] =
187 hostapd_alloc_bss_data(hapd_iface
, conf
,
191 hapd
->msg_ctx
= hapd
;
197 wpa_printf(MSG_ERROR
, "Failed to set up interface with %s",
200 hostapd_config_free(conf
);
202 os_free(hapd_iface
->config_fname
);
203 os_free(hapd_iface
->bss
);
210 static int hostapd_driver_init(struct hostapd_iface
*iface
)
212 struct wpa_init_params params
;
214 struct hostapd_data
*hapd
= iface
->bss
[0];
215 struct hostapd_bss_config
*conf
= hapd
->conf
;
217 struct wpa_driver_capa capa
;
219 if (hapd
->driver
== NULL
|| hapd
->driver
->hapd_init
== NULL
) {
220 wpa_printf(MSG_ERROR
, "No hostapd driver wrapper available");
224 /* Initialize the driver interface */
225 if (!(b
[0] | b
[1] | b
[2] | b
[3] | b
[4] | b
[5]))
228 os_memset(¶ms
, 0, sizeof(params
));
229 for (i
= 0; wpa_drivers
[i
]; i
++) {
230 if (wpa_drivers
[i
] != hapd
->driver
)
233 if (global
.drv_priv
[i
] == NULL
&&
234 wpa_drivers
[i
]->global_init
) {
235 global
.drv_priv
[i
] = wpa_drivers
[i
]->global_init();
236 if (global
.drv_priv
[i
] == NULL
) {
237 wpa_printf(MSG_ERROR
, "Failed to initialize "
239 wpa_drivers
[i
]->name
);
244 params
.global_priv
= global
.drv_priv
[i
];
248 params
.ifname
= hapd
->conf
->iface
;
249 params
.ssid
= 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_calloc(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.",
275 if (hapd
->driver
->get_capa
&&
276 hapd
->driver
->get_capa(hapd
->drv_priv
, &capa
) == 0) {
277 iface
->drv_flags
= capa
.flags
;
278 iface
->probe_resp_offloads
= capa
.probe_resp_offloads
;
279 iface
->extended_capa
= capa
.extended_capa
;
280 iface
->extended_capa_mask
= capa
.extended_capa_mask
;
281 iface
->extended_capa_len
= capa
.extended_capa_len
;
282 iface
->drv_max_acl_mac_addrs
= capa
.max_acl_mac_addrs
;
285 #ifdef CONFIG_INTERWORKING
286 if (hapd
->driver
->set_qos_map
&& conf
->qos_map_set_len
&&
287 hapd
->driver
->set_qos_map(hapd
->drv_priv
, conf
->qos_map_set
,
288 conf
->qos_map_set_len
)) {
289 wpa_printf(MSG_ERROR
, "Failed to initialize QoS Map.");
292 #endif /* CONFIG_INTERWORKING */
298 static struct hostapd_iface
*
299 hostapd_interface_init(struct hapd_interfaces
*interfaces
,
300 const char *config_fname
, int debug
)
302 struct hostapd_iface
*iface
;
305 wpa_printf(MSG_ERROR
, "Configuration file: %s", config_fname
);
306 iface
= hostapd_init(config_fname
);
309 iface
->interfaces
= interfaces
;
311 for (k
= 0; k
< debug
; k
++) {
312 if (iface
->bss
[0]->conf
->logger_stdout_level
> 0)
313 iface
->bss
[0]->conf
->logger_stdout_level
--;
316 if (iface
->conf
->bss
[0].iface
[0] == '\0' &&
317 !hostapd_drv_none(iface
->bss
[0])) {
318 wpa_printf(MSG_ERROR
, "Interface name not specified in %s",
320 hostapd_interface_deinit_free(iface
);
324 if (hostapd_driver_init(iface
) ||
325 hostapd_setup_interface(iface
)) {
326 hostapd_interface_deinit_free(iface
);
335 * handle_term - SIGINT and SIGTERM handler to terminate hostapd process
337 static void handle_term(int sig
, void *signal_ctx
)
339 wpa_printf(MSG_DEBUG
, "Signal %d received - terminating", sig
);
344 #ifndef CONFIG_NATIVE_WINDOWS
346 static int handle_reload_iface(struct hostapd_iface
*iface
, void *ctx
)
348 if (hostapd_reload_config(iface
) < 0) {
349 wpa_printf(MSG_WARNING
, "Failed to read new configuration "
350 "file - continuing with old.");
357 * handle_reload - SIGHUP handler to reload configuration
359 static void handle_reload(int sig
, void *signal_ctx
)
361 struct hapd_interfaces
*interfaces
= signal_ctx
;
362 wpa_printf(MSG_DEBUG
, "Signal %d received - reloading configuration",
364 hostapd_for_each_interface(interfaces
, handle_reload_iface
, NULL
);
368 static void handle_dump_state(int sig
, void *signal_ctx
)
370 #ifdef HOSTAPD_DUMP_STATE
371 struct hapd_interfaces
*interfaces
= signal_ctx
;
372 hostapd_for_each_interface(interfaces
, handle_dump_state_iface
, NULL
);
373 #endif /* HOSTAPD_DUMP_STATE */
375 #endif /* CONFIG_NATIVE_WINDOWS */
378 static int hostapd_global_init(struct hapd_interfaces
*interfaces
,
379 const char *entropy_file
)
383 os_memset(&global
, 0, sizeof(global
));
385 hostapd_logger_register_cb(hostapd_logger_cb
);
387 if (eap_server_register_methods()) {
388 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
393 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
397 random_init(entropy_file
);
399 #ifndef CONFIG_NATIVE_WINDOWS
400 eloop_register_signal(SIGHUP
, handle_reload
, interfaces
);
401 eloop_register_signal(SIGUSR1
, handle_dump_state
, interfaces
);
402 #endif /* CONFIG_NATIVE_WINDOWS */
403 eloop_register_signal_terminate(handle_term
, interfaces
);
405 #ifndef CONFIG_NATIVE_WINDOWS
406 openlog("hostapd", 0, LOG_DAEMON
);
407 #endif /* CONFIG_NATIVE_WINDOWS */
409 for (i
= 0; wpa_drivers
[i
]; i
++)
411 if (global
.drv_count
== 0) {
412 wpa_printf(MSG_ERROR
, "No drivers enabled");
415 global
.drv_priv
= os_calloc(global
.drv_count
, sizeof(void *));
416 if (global
.drv_priv
== NULL
)
423 static void hostapd_global_deinit(const char *pid_file
)
427 for (i
= 0; wpa_drivers
[i
] && global
.drv_priv
; i
++) {
428 if (!global
.drv_priv
[i
])
430 wpa_drivers
[i
]->global_deinit(global
.drv_priv
[i
]);
432 os_free(global
.drv_priv
);
433 global
.drv_priv
= NULL
;
435 #ifdef EAP_SERVER_TNC
436 tncs_global_deinit();
437 #endif /* EAP_SERVER_TNC */
443 #ifndef CONFIG_NATIVE_WINDOWS
445 #endif /* CONFIG_NATIVE_WINDOWS */
447 eap_server_unregister_methods();
449 os_daemonize_terminate(pid_file
);
453 static int hostapd_global_run(struct hapd_interfaces
*ifaces
, int daemonize
,
454 const char *pid_file
)
456 #ifdef EAP_SERVER_TNC
460 for (i
= 0; !tnc
&& i
< ifaces
->count
; i
++) {
461 for (k
= 0; k
< ifaces
->iface
[i
]->num_bss
; k
++) {
462 if (ifaces
->iface
[i
]->bss
[0]->conf
->tnc
) {
469 if (tnc
&& tncs_global_init() < 0) {
470 wpa_printf(MSG_ERROR
, "Failed to initialize TNCS");
473 #endif /* EAP_SERVER_TNC */
475 if (daemonize
&& os_daemonize(pid_file
)) {
486 static void show_version(void)
489 "hostapd v" VERSION_STR
"\n"
490 "User space daemon for IEEE 802.11 AP management,\n"
491 "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
492 "Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi> "
493 "and contributors\n");
497 static void usage(void)
502 "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
504 " [-g <global ctrl_iface>] [-G <group>] \\\n"
505 " <configuration file(s)>\n"
508 " -h show this usage\n"
509 " -d show more debug messages (-dd for even more)\n"
510 " -B run daemon in the background\n"
512 " -g global control interface path\n"
513 " -G group for control interfaces\n"
515 " -K include key data in debug messages\n"
516 #ifdef CONFIG_DEBUG_FILE
517 " -f log output to debug file instead of stdout\n"
518 #endif /* CONFIG_DEBUG_FILE */
519 " -t include timestamps in some debug messages\n"
520 " -v show hostapd version\n");
526 static const char * hostapd_msg_ifname_cb(void *ctx
)
528 struct hostapd_data
*hapd
= ctx
;
529 if (hapd
&& hapd
->iconf
&& hapd
->iconf
->bss
)
530 return hapd
->iconf
->bss
->iface
;
535 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces
*interfaces
,
539 os_free(interfaces
->global_iface_path
);
540 interfaces
->global_iface_path
= os_strdup(path
);
541 if (interfaces
->global_iface_path
== NULL
)
543 pos
= os_strrchr(interfaces
->global_iface_path
, '/');
545 wpa_printf(MSG_ERROR
, "No '/' in the global control interface "
547 os_free(interfaces
->global_iface_path
);
548 interfaces
->global_iface_path
= NULL
;
553 interfaces
->global_iface_name
= pos
+ 1;
559 static int hostapd_get_ctrl_iface_group(struct hapd_interfaces
*interfaces
,
562 #ifndef CONFIG_NATIVE_WINDOWS
564 grp
= getgrnam(group
);
566 wpa_printf(MSG_ERROR
, "Unknown group '%s'", group
);
569 interfaces
->ctrl_iface_group
= grp
->gr_gid
;
570 #endif /* CONFIG_NATIVE_WINDOWS */
575 int main(int argc
, char *argv
[])
577 struct hapd_interfaces interfaces
;
580 int c
, debug
= 0, daemonize
= 0;
581 char *pid_file
= NULL
;
582 const char *log_file
= NULL
;
583 const char *entropy_file
= NULL
;
585 if (os_program_init())
588 os_memset(&interfaces
, 0, sizeof(interfaces
));
589 interfaces
.reload_config
= hostapd_reload_config
;
590 interfaces
.config_read_cb
= hostapd_config_read
;
591 interfaces
.for_each_interface
= hostapd_for_each_interface
;
592 interfaces
.ctrl_iface_init
= hostapd_ctrl_iface_init
;
593 interfaces
.ctrl_iface_deinit
= hostapd_ctrl_iface_deinit
;
594 interfaces
.driver_init
= hostapd_driver_init
;
595 interfaces
.global_iface_path
= NULL
;
596 interfaces
.global_iface_name
= NULL
;
597 interfaces
.global_ctrl_sock
= -1;
600 c
= getopt(argc
, argv
, "Bde:f:hKP:tvg:G:");
609 if (wpa_debug_level
> 0)
616 entropy_file
= optarg
;
622 wpa_debug_show_keys
++;
626 pid_file
= os_rel2abs_path(optarg
);
629 wpa_debug_timestamp
++;
636 if (hostapd_get_global_ctrl_iface(&interfaces
, optarg
))
640 if (hostapd_get_ctrl_iface_group(&interfaces
, optarg
))
649 if (optind
== argc
&& interfaces
.global_iface_path
== NULL
)
652 wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb
);
655 wpa_debug_open_file(log_file
);
657 interfaces
.count
= argc
- optind
;
658 if (interfaces
.count
) {
659 interfaces
.iface
= os_calloc(interfaces
.count
,
660 sizeof(struct hostapd_iface
*));
661 if (interfaces
.iface
== NULL
) {
662 wpa_printf(MSG_ERROR
, "malloc failed");
667 if (hostapd_global_init(&interfaces
, entropy_file
)) {
668 wpa_printf(MSG_ERROR
, "Failed to initilize global context");
672 /* Initialize interfaces */
673 for (i
= 0; i
< interfaces
.count
; i
++) {
674 interfaces
.iface
[i
] = hostapd_interface_init(&interfaces
,
677 if (!interfaces
.iface
[i
]) {
678 wpa_printf(MSG_ERROR
, "Failed to initialize interface");
683 hostapd_global_ctrl_iface_init(&interfaces
);
685 if (hostapd_global_run(&interfaces
, daemonize
, pid_file
)) {
686 wpa_printf(MSG_ERROR
, "Failed to start eloop");
693 hostapd_global_ctrl_iface_deinit(&interfaces
);
694 /* Deinitialize all interfaces */
695 for (i
= 0; i
< interfaces
.count
; i
++)
696 hostapd_interface_deinit_free(interfaces
.iface
[i
]);
697 os_free(interfaces
.iface
);
699 hostapd_global_deinit(pid_file
);
703 wpa_debug_close_file();