1 /*
2 * WPA Supplicant / dbus-based control interface
3 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
4 * Copyright (c) 2009-2010, Witold Sowa <witold.sowa@gmail.com>
5 * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
6 *
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
9 */
10
11 #include "includes.h"
12
13 #include "common.h"
14 #include "common/ieee802_11_defs.h"
15 #include "eap_peer/eap_methods.h"
16 #include "eapol_supp/eapol_supp_sm.h"
17 #include "rsn_supp/wpa.h"
18 #include "../config.h"
19 #include "../wpa_supplicant_i.h"
20 #include "../driver_i.h"
21 #include "../notify.h"
22 #include "../bss.h"
23 #include "../scan.h"
24 #include "../ctrl_iface.h"
25 #include "../autoscan.h"
26 #include "dbus_new_helpers.h"
27 #include "dbus_new.h"
28 #include "dbus_new_handlers.h"
29 #include "dbus_dict_helpers.h"
30 #include "dbus_common_i.h"
31
32 extern int wpa_debug_level;
33 extern int wpa_debug_show_keys;
34 extern int wpa_debug_timestamp;
35
36 static const char *debug_strings[] = {
37 "excessive", "msgdump", "debug", "info", "warning", "error", NULL
38 };
39
40
41 /**
42 * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
43 * @message: Pointer to incoming dbus message this error refers to
44 * @arg: Optional string appended to error message
45 * Returns: a dbus error message
46 *
47 * Convenience function to create and return an UnknownError
48 */
wpas_dbus_error_unknown_error(DBusMessage * message,const char * arg)49 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
50 const char *arg)
51 {
52 /*
53 * This function can be called as a result of a failure
54 * within internal getter calls, which will call this function
55 * with a NULL message parameter. However, dbus_message_new_error
56 * looks very unkindly (i.e, abort()) on a NULL message, so
57 * in this case, we should not call it.
58 */
59 if (message == NULL) {
60 wpa_printf(MSG_INFO, "dbus: wpas_dbus_error_unknown_error "
61 "called with NULL message (arg=%s)",
62 arg ? arg : "N/A");
63 return NULL;
64 }
65
66 return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
67 arg);
68 }
69
70
71 /**
72 * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
73 * @message: Pointer to incoming dbus message this error refers to
74 * Returns: A dbus error message
75 *
76 * Convenience function to create and return an invalid interface error
77 */
wpas_dbus_error_iface_unknown(DBusMessage * message)78 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
79 {
80 return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
81 "wpa_supplicant knows nothing about "
82 "this interface.");
83 }
84
85
86 /**
87 * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
88 * @message: Pointer to incoming dbus message this error refers to
89 * Returns: a dbus error message
90 *
91 * Convenience function to create and return an invalid network error
92 */
wpas_dbus_error_network_unknown(DBusMessage * message)93 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
94 {
95 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
96 "There is no such a network in this "
97 "interface.");
98 }
99
100
101 /**
102 * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
103 * @message: Pointer to incoming dbus message this error refers to
104 * Returns: a dbus error message
105 *
106 * Convenience function to create and return an invalid options error
107 */
wpas_dbus_error_invalid_args(DBusMessage * message,const char * arg)108 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
109 const char *arg)
110 {
111 DBusMessage *reply;
112
113 reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
114 "Did not receive correct message "
115 "arguments.");
116 if (arg != NULL)
117 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
118 DBUS_TYPE_INVALID);
119
120 return reply;
121 }
122
123
124 static const char *dont_quote[] = {
125 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
126 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
127 "bssid", NULL
128 };
129
should_quote_opt(const char * key)130 static dbus_bool_t should_quote_opt(const char *key)
131 {
132 int i = 0;
133 while (dont_quote[i] != NULL) {
134 if (os_strcmp(key, dont_quote[i]) == 0)
135 return FALSE;
136 i++;
137 }
138 return TRUE;
139 }
140
141 /**
142 * get_iface_by_dbus_path - Get a new network interface
143 * @global: Pointer to global data from wpa_supplicant_init()
144 * @path: Pointer to a dbus object path representing an interface
145 * Returns: Pointer to the interface or %NULL if not found
146 */
get_iface_by_dbus_path(struct wpa_global * global,const char * path)147 static struct wpa_supplicant * get_iface_by_dbus_path(
148 struct wpa_global *global, const char *path)
149 {
150 struct wpa_supplicant *wpa_s;
151
152 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
153 if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
154 return wpa_s;
155 }
156 return NULL;
157 }
158
159
160 /**
161 * set_network_properties - Set properties of a configured network
162 * @wpa_s: wpa_supplicant structure for a network interface
163 * @ssid: wpa_ssid structure for a configured network
164 * @iter: DBus message iterator containing dictionary of network
165 * properties to set.
166 * @error: On failure, an error describing the failure
167 * Returns: TRUE if the request succeeds, FALSE if it failed
168 *
169 * Sets network configuration with parameters given id DBus dictionary
170 */
set_network_properties(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,DBusMessageIter * iter,DBusError * error)171 dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
172 struct wpa_ssid *ssid,
173 DBusMessageIter *iter,
174 DBusError *error)
175 {
176 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
177 DBusMessageIter iter_dict;
178 char *value = NULL;
179
180 if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
181 return FALSE;
182
183 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
184 size_t size = 50;
185 int ret;
186
187 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
188 goto error;
189
190 value = NULL;
191 if (entry.type == DBUS_TYPE_ARRAY &&
192 entry.array_type == DBUS_TYPE_BYTE) {
193 if (entry.array_len <= 0)
194 goto error;
195
196 size = entry.array_len * 2 + 1;
197 value = os_zalloc(size);
198 if (value == NULL)
199 goto error;
200
201 ret = wpa_snprintf_hex(value, size,
202 (u8 *) entry.bytearray_value,
203 entry.array_len);
204 if (ret <= 0)
205 goto error;
206 } else if (entry.type == DBUS_TYPE_STRING) {
207 if (should_quote_opt(entry.key)) {
208 size = os_strlen(entry.str_value);
209 if (size <= 0)
210 goto error;
211
212 size += 3;
213 value = os_zalloc(size);
214 if (value == NULL)
215 goto error;
216
217 ret = os_snprintf(value, size, "\"%s\"",
218 entry.str_value);
219 if (ret < 0 || (size_t) ret != (size - 1))
220 goto error;
221 } else {
222 value = os_strdup(entry.str_value);
223 if (value == NULL)
224 goto error;
225 }
226 } else if (entry.type == DBUS_TYPE_UINT32) {
227 value = os_zalloc(size);
228 if (value == NULL)
229 goto error;
230
231 ret = os_snprintf(value, size, "%u",
232 entry.uint32_value);
233 if (ret <= 0)
234 goto error;
235 } else if (entry.type == DBUS_TYPE_INT32) {
236 value = os_zalloc(size);
237 if (value == NULL)
238 goto error;
239
240 ret = os_snprintf(value, size, "%d",
241 entry.int32_value);
242 if (ret <= 0)
243 goto error;
244 } else
245 goto error;
246
247 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
248 goto error;
249
250 if ((os_strcmp(entry.key, "psk") == 0 &&
251 value[0] == '"' && ssid->ssid_len) ||
252 (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
253 wpa_config_update_psk(ssid);
254 else if (os_strcmp(entry.key, "priority") == 0)
255 wpa_config_update_prio_list(wpa_s->conf);
256
257 os_free(value);
258 wpa_dbus_dict_entry_clear(&entry);
259 }
260
261 return TRUE;
262
263 error:
264 os_free(value);
265 wpa_dbus_dict_entry_clear(&entry);
266 dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
267 "invalid message format");
268 return FALSE;
269 }
270
271
272 /**
273 * wpas_dbus_simple_property_getter - Get basic type property
274 * @iter: Message iter to use when appending arguments
275 * @type: DBus type of property (must be basic type)
276 * @val: pointer to place holding property value
277 * @error: On failure an error describing the failure
278 * Returns: TRUE if the request was successful, FALSE if it failed
279 *
280 * Generic getter for basic type properties. Type is required to be basic.
281 */
wpas_dbus_simple_property_getter(DBusMessageIter * iter,const int type,const void * val,DBusError * error)282 dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
283 const int type,
284 const void *val,
285 DBusError *error)
286 {
287 DBusMessageIter variant_iter;
288
289 if (!dbus_type_is_basic(type)) {
290 dbus_set_error(error, DBUS_ERROR_FAILED,
291 "%s: given type is not basic", __func__);
292 return FALSE;
293 }
294
295 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
296 wpa_dbus_type_as_string(type),
297 &variant_iter))
298 goto error;
299
300 if (!dbus_message_iter_append_basic(&variant_iter, type, val))
301 goto error;
302
303 if (!dbus_message_iter_close_container(iter, &variant_iter))
304 goto error;
305
306 return TRUE;
307
308 error:
309 dbus_set_error(error, DBUS_ERROR_FAILED,
310 "%s: error constructing reply", __func__);
311 return FALSE;
312 }
313
314
315 /**
316 * wpas_dbus_simple_property_setter - Set basic type property
317 * @message: Pointer to incoming dbus message
318 * @type: DBus type of property (must be basic type)
319 * @val: pointer to place where value being set will be stored
320 * Returns: TRUE if the request was successful, FALSE if it failed
321 *
322 * Generic setter for basic type properties. Type is required to be basic.
323 */
wpas_dbus_simple_property_setter(DBusMessageIter * iter,DBusError * error,const int type,void * val)324 dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
325 DBusError *error,
326 const int type, void *val)
327 {
328 DBusMessageIter variant_iter;
329
330 if (!dbus_type_is_basic(type)) {
331 dbus_set_error(error, DBUS_ERROR_FAILED,
332 "%s: given type is not basic", __func__);
333 return FALSE;
334 }
335
336 /* Look at the new value */
337 dbus_message_iter_recurse(iter, &variant_iter);
338 if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
339 dbus_set_error_const(error, DBUS_ERROR_FAILED,
340 "wrong property type");
341 return FALSE;
342 }
343 dbus_message_iter_get_basic(&variant_iter, val);
344
345 return TRUE;
346 }
347
348
349 /**
350 * wpas_dbus_simple_array_property_getter - Get array type property
351 * @iter: Pointer to incoming dbus message iterator
352 * @type: DBus type of property array elements (must be basic type)
353 * @array: pointer to array of elements to put into response message
354 * @array_len: length of above array
355 * @error: a pointer to an error to fill on failure
356 * Returns: TRUE if the request succeeded, FALSE if it failed
357 *
358 * Generic getter for array type properties. Array elements type is
359 * required to be basic.
360 */
wpas_dbus_simple_array_property_getter(DBusMessageIter * iter,const int type,const void * array,size_t array_len,DBusError * error)361 dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
362 const int type,
363 const void *array,
364 size_t array_len,
365 DBusError *error)
366 {
367 DBusMessageIter variant_iter, array_iter;
368 char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
369 const char *sub_type_str;
370 size_t element_size, i;
371
372 if (!dbus_type_is_basic(type)) {
373 dbus_set_error(error, DBUS_ERROR_FAILED,
374 "%s: given type is not basic", __func__);
375 return FALSE;
376 }
377
378 sub_type_str = wpa_dbus_type_as_string(type);
379 type_str[1] = sub_type_str[0];
380
381 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
382 type_str, &variant_iter)) {
383 dbus_set_error(error, DBUS_ERROR_FAILED,
384 "%s: failed to construct message 1", __func__);
385 return FALSE;
386 }
387
388 if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
389 sub_type_str, &array_iter)) {
390 dbus_set_error(error, DBUS_ERROR_FAILED,
391 "%s: failed to construct message 2", __func__);
392 return FALSE;
393 }
394
395 switch(type) {
396 case DBUS_TYPE_BYTE:
397 case DBUS_TYPE_BOOLEAN:
398 element_size = 1;
399 break;
400 case DBUS_TYPE_INT16:
401 case DBUS_TYPE_UINT16:
402 element_size = sizeof(uint16_t);
403 break;
404 case DBUS_TYPE_INT32:
405 case DBUS_TYPE_UINT32:
406 element_size = sizeof(uint32_t);
407 break;
408 case DBUS_TYPE_INT64:
409 case DBUS_TYPE_UINT64:
410 element_size = sizeof(uint64_t);
411 break;
412 case DBUS_TYPE_DOUBLE:
413 element_size = sizeof(double);
414 break;
415 case DBUS_TYPE_STRING:
416 case DBUS_TYPE_OBJECT_PATH:
417 element_size = sizeof(char *);
418 break;
419 default:
420 dbus_set_error(error, DBUS_ERROR_FAILED,
421 "%s: unknown element type %d", __func__, type);
422 return FALSE;
423 }
424
425 for (i = 0; i < array_len; i++) {
426 dbus_message_iter_append_basic(&array_iter, type,
427 array + i * element_size);
428 }
429
430 if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
431 dbus_set_error(error, DBUS_ERROR_FAILED,
432 "%s: failed to construct message 3", __func__);
433 return FALSE;
434 }
435
436 if (!dbus_message_iter_close_container(iter, &variant_iter)) {
437 dbus_set_error(error, DBUS_ERROR_FAILED,
438 "%s: failed to construct message 4", __func__);
439 return FALSE;
440 }
441
442 return TRUE;
443 }
444
445
446 /**
447 * wpas_dbus_simple_array_array_property_getter - Get array array type property
448 * @iter: Pointer to incoming dbus message iterator
449 * @type: DBus type of property array elements (must be basic type)
450 * @array: pointer to array of elements to put into response message
451 * @array_len: length of above array
452 * @error: a pointer to an error to fill on failure
453 * Returns: TRUE if the request succeeded, FALSE if it failed
454 *
455 * Generic getter for array type properties. Array elements type is
456 * required to be basic.
457 */
wpas_dbus_simple_array_array_property_getter(DBusMessageIter * iter,const int type,struct wpabuf ** array,size_t array_len,DBusError * error)458 dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
459 const int type,
460 struct wpabuf **array,
461 size_t array_len,
462 DBusError *error)
463 {
464 DBusMessageIter variant_iter, array_iter;
465 char type_str[] = "aa?";
466 char inner_type_str[] = "a?";
467 const char *sub_type_str;
468 size_t i;
469
470 if (!dbus_type_is_basic(type)) {
471 dbus_set_error(error, DBUS_ERROR_FAILED,
472 "%s: given type is not basic", __func__);
473 return FALSE;
474 }
475
476 sub_type_str = wpa_dbus_type_as_string(type);
477 type_str[2] = sub_type_str[0];
478 inner_type_str[1] = sub_type_str[0];
479
480 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
481 type_str, &variant_iter)) {
482 dbus_set_error(error, DBUS_ERROR_FAILED,
483 "%s: failed to construct message 1", __func__);
484 return FALSE;
485 }
486 if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
487 inner_type_str, &array_iter)) {
488 dbus_set_error(error, DBUS_ERROR_FAILED,
489 "%s: failed to construct message 2", __func__);
490 return FALSE;
491 }
492
493 for (i = 0; i < array_len; i++) {
494 wpa_dbus_dict_bin_array_add_element(&array_iter,
495 wpabuf_head(array[i]),
496 wpabuf_len(array[i]));
497
498 }
499
500 if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
501 dbus_set_error(error, DBUS_ERROR_FAILED,
502 "%s: failed to close message 2", __func__);
503 return FALSE;
504 }
505
506 if (!dbus_message_iter_close_container(iter, &variant_iter)) {
507 dbus_set_error(error, DBUS_ERROR_FAILED,
508 "%s: failed to close message 1", __func__);
509 return FALSE;
510 }
511
512 return TRUE;
513 }
514
515
516 /**
517 * wpas_dbus_handler_create_interface - Request registration of a network iface
518 * @message: Pointer to incoming dbus message
519 * @global: %wpa_supplicant global data structure
520 * Returns: The object path of the new interface object,
521 * or a dbus error message with more information
522 *
523 * Handler function for "CreateInterface" method call. Handles requests
524 * by dbus clients to register a network interface that wpa_supplicant
525 * will manage.
526 */
wpas_dbus_handler_create_interface(DBusMessage * message,struct wpa_global * global)527 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
528 struct wpa_global *global)
529 {
530 DBusMessageIter iter_dict;
531 DBusMessage *reply = NULL;
532 DBusMessageIter iter;
533 struct wpa_dbus_dict_entry entry;
534 char *driver = NULL;
535 char *ifname = NULL;
536 char *confname = NULL;
537 char *bridge_ifname = NULL;
538
539 dbus_message_iter_init(message, &iter);
540
541 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
542 goto error;
543 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
544 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
545 goto error;
546 if (!os_strcmp(entry.key, "Driver") &&
547 (entry.type == DBUS_TYPE_STRING)) {
548 driver = os_strdup(entry.str_value);
549 wpa_dbus_dict_entry_clear(&entry);
550 if (driver == NULL)
551 goto error;
552 } else if (!os_strcmp(entry.key, "Ifname") &&
553 (entry.type == DBUS_TYPE_STRING)) {
554 ifname = os_strdup(entry.str_value);
555 wpa_dbus_dict_entry_clear(&entry);
556 if (ifname == NULL)
557 goto error;
558 } else if (!os_strcmp(entry.key, "ConfigFile") &&
559 (entry.type == DBUS_TYPE_STRING)) {
560 confname = os_strdup(entry.str_value);
561 wpa_dbus_dict_entry_clear(&entry);
562 if (confname == NULL)
563 goto error;
564 } else if (!os_strcmp(entry.key, "BridgeIfname") &&
565 (entry.type == DBUS_TYPE_STRING)) {
566 bridge_ifname = os_strdup(entry.str_value);
567 wpa_dbus_dict_entry_clear(&entry);
568 if (bridge_ifname == NULL)
569 goto error;
570 } else {
571 wpa_dbus_dict_entry_clear(&entry);
572 goto error;
573 }
574 }
575
576 if (ifname == NULL)
577 goto error; /* Required Ifname argument missing */
578
579 /*
580 * Try to get the wpa_supplicant record for this iface, return
581 * an error if we already control it.
582 */
583 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
584 reply = dbus_message_new_error(message,
585 WPAS_DBUS_ERROR_IFACE_EXISTS,
586 "wpa_supplicant already "
587 "controls this interface.");
588 } else {
589 struct wpa_supplicant *wpa_s;
590 struct wpa_interface iface;
591 os_memset(&iface, 0, sizeof(iface));
592 iface.driver = driver;
593 iface.ifname = ifname;
594 iface.confname = confname;
595 iface.bridge_ifname = bridge_ifname;
596 /* Otherwise, have wpa_supplicant attach to it. */
597 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
598 const char *path = wpa_s->dbus_new_path;
599 reply = dbus_message_new_method_return(message);
600 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
601 &path, DBUS_TYPE_INVALID);
602 } else {
603 reply = wpas_dbus_error_unknown_error(
604 message, "wpa_supplicant couldn't grab this "
605 "interface.");
606 }
607 }
608
609 out:
610 os_free(driver);
611 os_free(ifname);
612 os_free(confname);
613 os_free(bridge_ifname);
614 return reply;
615
616 error:
617 reply = wpas_dbus_error_invalid_args(message, NULL);
618 goto out;
619 }
620
621
622 /**
623 * wpas_dbus_handler_remove_interface - Request deregistration of an interface
624 * @message: Pointer to incoming dbus message
625 * @global: wpa_supplicant global data structure
626 * Returns: a dbus message containing a UINT32 indicating success (1) or
627 * failure (0), or returns a dbus error message with more information
628 *
629 * Handler function for "removeInterface" method call. Handles requests
630 * by dbus clients to deregister a network interface that wpa_supplicant
631 * currently manages.
632 */
wpas_dbus_handler_remove_interface(DBusMessage * message,struct wpa_global * global)633 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
634 struct wpa_global *global)
635 {
636 struct wpa_supplicant *wpa_s;
637 char *path;
638 DBusMessage *reply = NULL;
639
640 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
641 DBUS_TYPE_INVALID);
642
643 wpa_s = get_iface_by_dbus_path(global, path);
644 if (wpa_s == NULL)
645 reply = wpas_dbus_error_iface_unknown(message);
646 else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
647 reply = wpas_dbus_error_unknown_error(
648 message, "wpa_supplicant couldn't remove this "
649 "interface.");
650 }
651
652 return reply;
653 }
654
655
656 /**
657 * wpas_dbus_handler_get_interface - Get the object path for an interface name
658 * @message: Pointer to incoming dbus message
659 * @global: %wpa_supplicant global data structure
660 * Returns: The object path of the interface object,
661 * or a dbus error message with more information
662 *
663 * Handler function for "getInterface" method call.
664 */
wpas_dbus_handler_get_interface(DBusMessage * message,struct wpa_global * global)665 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
666 struct wpa_global *global)
667 {
668 DBusMessage *reply = NULL;
669 const char *ifname;
670 const char *path;
671 struct wpa_supplicant *wpa_s;
672
673 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
674 DBUS_TYPE_INVALID);
675
676 wpa_s = wpa_supplicant_get_iface(global, ifname);
677 if (wpa_s == NULL)
678 return wpas_dbus_error_iface_unknown(message);
679
680 path = wpa_s->dbus_new_path;
681 reply = dbus_message_new_method_return(message);
682 if (reply == NULL)
683 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
684 NULL);
685 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
686 DBUS_TYPE_INVALID)) {
687 dbus_message_unref(reply);
688 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
689 NULL);
690 }
691
692 return reply;
693 }
694
695
696 /**
697 * wpas_dbus_getter_debug_level - Get debug level
698 * @iter: Pointer to incoming dbus message iter
699 * @error: Location to store error on failure
700 * @user_data: Function specific data
701 * Returns: TRUE on success, FALSE on failure
702 *
703 * Getter for "DebugLevel" property.
704 */
wpas_dbus_getter_debug_level(DBusMessageIter * iter,DBusError * error,void * user_data)705 dbus_bool_t wpas_dbus_getter_debug_level(DBusMessageIter *iter,
706 DBusError *error,
707 void *user_data)
708 {
709 const char *str;
710 int idx = wpa_debug_level;
711
712 if (idx < 0)
713 idx = 0;
714 if (idx > 5)
715 idx = 5;
716 str = debug_strings[idx];
717 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
718 &str, error);
719 }
720
721
722 /**
723 * wpas_dbus_getter_debug_timestamp - Get debug timestamp
724 * @iter: Pointer to incoming dbus message iter
725 * @error: Location to store error on failure
726 * @user_data: Function specific data
727 * Returns: TRUE on success, FALSE on failure
728 *
729 * Getter for "DebugTimestamp" property.
730 */
wpas_dbus_getter_debug_timestamp(DBusMessageIter * iter,DBusError * error,void * user_data)731 dbus_bool_t wpas_dbus_getter_debug_timestamp(DBusMessageIter *iter,
732 DBusError *error,
733 void *user_data)
734 {
735 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
736 &wpa_debug_timestamp, error);
737
738 }
739
740
741 /**
742 * wpas_dbus_getter_debug_show_keys - Get debug show keys
743 * @iter: Pointer to incoming dbus message iter
744 * @error: Location to store error on failure
745 * @user_data: Function specific data
746 * Returns: TRUE on success, FALSE on failure
747 *
748 * Getter for "DebugShowKeys" property.
749 */
wpas_dbus_getter_debug_show_keys(DBusMessageIter * iter,DBusError * error,void * user_data)750 dbus_bool_t wpas_dbus_getter_debug_show_keys(DBusMessageIter *iter,
751 DBusError *error,
752 void *user_data)
753 {
754 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
755 &wpa_debug_show_keys, error);
756
757 }
758
759 /**
760 * wpas_dbus_setter_debug_level - Set debug level
761 * @iter: Pointer to incoming dbus message iter
762 * @error: Location to store error on failure
763 * @user_data: Function specific data
764 * Returns: TRUE on success, FALSE on failure
765 *
766 * Setter for "DebugLevel" property.
767 */
wpas_dbus_setter_debug_level(DBusMessageIter * iter,DBusError * error,void * user_data)768 dbus_bool_t wpas_dbus_setter_debug_level(DBusMessageIter *iter,
769 DBusError *error, void *user_data)
770 {
771 struct wpa_global *global = user_data;
772 const char *str = NULL;
773 int i, val = -1;
774
775 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
776 &str))
777 return FALSE;
778
779 for (i = 0; debug_strings[i]; i++)
780 if (os_strcmp(debug_strings[i], str) == 0) {
781 val = i;
782 break;
783 }
784
785 if (val < 0 ||
786 wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
787 wpa_debug_show_keys)) {
788 dbus_set_error_const(error, DBUS_ERROR_FAILED, "wrong debug "
789 "level value");
790 return FALSE;
791 }
792
793 return TRUE;
794 }
795
796
797 /**
798 * wpas_dbus_setter_debug_timestamp - Set debug timestamp
799 * @iter: Pointer to incoming dbus message iter
800 * @error: Location to store error on failure
801 * @user_data: Function specific data
802 * Returns: TRUE on success, FALSE on failure
803 *
804 * Setter for "DebugTimestamp" property.
805 */
wpas_dbus_setter_debug_timestamp(DBusMessageIter * iter,DBusError * error,void * user_data)806 dbus_bool_t wpas_dbus_setter_debug_timestamp(DBusMessageIter *iter,
807 DBusError *error,
808 void *user_data)
809 {
810 struct wpa_global *global = user_data;
811 dbus_bool_t val;
812
813 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
814 &val))
815 return FALSE;
816
817 wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
818 wpa_debug_show_keys);
819 return TRUE;
820 }
821
822
823 /**
824 * wpas_dbus_setter_debug_show_keys - Set debug show keys
825 * @iter: Pointer to incoming dbus message iter
826 * @error: Location to store error on failure
827 * @user_data: Function specific data
828 * Returns: TRUE on success, FALSE on failure
829 *
830 * Setter for "DebugShowKeys" property.
831 */
wpas_dbus_setter_debug_show_keys(DBusMessageIter * iter,DBusError * error,void * user_data)832 dbus_bool_t wpas_dbus_setter_debug_show_keys(DBusMessageIter *iter,
833 DBusError *error,
834 void *user_data)
835 {
836 struct wpa_global *global = user_data;
837 dbus_bool_t val;
838
839 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
840 &val))
841 return FALSE;
842
843 wpa_supplicant_set_debug_params(global, wpa_debug_level,
844 wpa_debug_timestamp,
845 val ? 1 : 0);
846 return TRUE;
847 }
848
849
850 /**
851 * wpas_dbus_getter_interfaces - Request registered interfaces list
852 * @iter: Pointer to incoming dbus message iter
853 * @error: Location to store error on failure
854 * @user_data: Function specific data
855 * Returns: TRUE on success, FALSE on failure
856 *
857 * Getter for "Interfaces" property. Handles requests
858 * by dbus clients to return list of registered interfaces objects
859 * paths
860 */
wpas_dbus_getter_interfaces(DBusMessageIter * iter,DBusError * error,void * user_data)861 dbus_bool_t wpas_dbus_getter_interfaces(DBusMessageIter *iter,
862 DBusError *error,
863 void *user_data)
864 {
865 struct wpa_global *global = user_data;
866 struct wpa_supplicant *wpa_s;
867 const char **paths;
868 unsigned int i = 0, num = 0;
869 dbus_bool_t success;
870
871 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
872 num++;
873
874 paths = os_calloc(num, sizeof(char *));
875 if (!paths) {
876 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
877 return FALSE;
878 }
879
880 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
881 paths[i++] = wpa_s->dbus_new_path;
882
883 success = wpas_dbus_simple_array_property_getter(iter,
884 DBUS_TYPE_OBJECT_PATH,
885 paths, num, error);
886
887 os_free(paths);
888 return success;
889 }
890
891
892 /**
893 * wpas_dbus_getter_eap_methods - Request supported EAP methods list
894 * @iter: Pointer to incoming dbus message iter
895 * @error: Location to store error on failure
896 * @user_data: Function specific data
897 * Returns: TRUE on success, FALSE on failure
898 *
899 * Getter for "EapMethods" property. Handles requests
900 * by dbus clients to return list of strings with supported EAP methods
901 */
wpas_dbus_getter_eap_methods(DBusMessageIter * iter,DBusError * error,void * user_data)902 dbus_bool_t wpas_dbus_getter_eap_methods(DBusMessageIter *iter,
903 DBusError *error, void *user_data)
904 {
905 char **eap_methods;
906 size_t num_items = 0;
907 dbus_bool_t success;
908
909 eap_methods = eap_get_names_as_string_array(&num_items);
910 if (!eap_methods) {
911 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
912 return FALSE;
913 }
914
915 success = wpas_dbus_simple_array_property_getter(iter,
916 DBUS_TYPE_STRING,
917 eap_methods,
918 num_items, error);
919
920 while (num_items)
921 os_free(eap_methods[--num_items]);
922 os_free(eap_methods);
923 return success;
924 }
925
926
wpas_dbus_get_scan_type(DBusMessage * message,DBusMessageIter * var,char ** type,DBusMessage ** reply)927 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
928 char **type, DBusMessage **reply)
929 {
930 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
931 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
932 "Type must be a string");
933 *reply = wpas_dbus_error_invalid_args(
934 message, "Wrong Type value type. String required");
935 return -1;
936 }
937 dbus_message_iter_get_basic(var, type);
938 return 0;
939 }
940
941
wpas_dbus_get_scan_ssids(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)942 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
943 struct wpa_driver_scan_params *params,
944 DBusMessage **reply)
945 {
946 struct wpa_driver_scan_ssid *ssids = params->ssids;
947 size_t ssids_num = 0;
948 u8 *ssid;
949 DBusMessageIter array_iter, sub_array_iter;
950 char *val;
951 int len;
952
953 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
954 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
955 "must be an array of arrays of bytes");
956 *reply = wpas_dbus_error_invalid_args(
957 message, "Wrong SSIDs value type. Array of arrays of "
958 "bytes required");
959 return -1;
960 }
961
962 dbus_message_iter_recurse(var, &array_iter);
963
964 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
965 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
966 {
967 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
968 "must be an array of arrays of bytes");
969 *reply = wpas_dbus_error_invalid_args(
970 message, "Wrong SSIDs value type. Array of arrays of "
971 "bytes required");
972 return -1;
973 }
974
975 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
976 {
977 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
978 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
979 "Too many ssids specified on scan dbus "
980 "call");
981 *reply = wpas_dbus_error_invalid_args(
982 message, "Too many ssids specified. Specify "
983 "at most four");
984 return -1;
985 }
986
987 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
988
989 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
990
991 if (len > MAX_SSID_LEN) {
992 wpa_printf(MSG_DEBUG,
993 "wpas_dbus_handler_scan[dbus]: "
994 "SSID too long (len=%d max_len=%d)",
995 len, MAX_SSID_LEN);
996 *reply = wpas_dbus_error_invalid_args(
997 message, "Invalid SSID: too long");
998 return -1;
999 }
1000
1001 if (len != 0) {
1002 ssid = os_malloc(len);
1003 if (ssid == NULL) {
1004 wpa_printf(MSG_DEBUG,
1005 "wpas_dbus_handler_scan[dbus]: "
1006 "out of memory. Cannot allocate "
1007 "memory for SSID");
1008 *reply = dbus_message_new_error(
1009 message, DBUS_ERROR_NO_MEMORY, NULL);
1010 return -1;
1011 }
1012 os_memcpy(ssid, val, len);
1013 } else {
1014 /* Allow zero-length SSIDs */
1015 ssid = NULL;
1016 }
1017
1018 ssids[ssids_num].ssid = ssid;
1019 ssids[ssids_num].ssid_len = len;
1020
1021 dbus_message_iter_next(&array_iter);
1022 ssids_num++;
1023 }
1024
1025 params->num_ssids = ssids_num;
1026 return 0;
1027 }
1028
1029
wpas_dbus_get_scan_ies(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)1030 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1031 struct wpa_driver_scan_params *params,
1032 DBusMessage **reply)
1033 {
1034 u8 *ies = NULL, *nies;
1035 int ies_len = 0;
1036 DBusMessageIter array_iter, sub_array_iter;
1037 char *val;
1038 int len;
1039
1040 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1041 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1042 "be an array of arrays of bytes");
1043 *reply = wpas_dbus_error_invalid_args(
1044 message, "Wrong IEs value type. Array of arrays of "
1045 "bytes required");
1046 return -1;
1047 }
1048
1049 dbus_message_iter_recurse(var, &array_iter);
1050
1051 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1052 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1053 {
1054 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1055 "be an array of arrays of bytes");
1056 *reply = wpas_dbus_error_invalid_args(
1057 message, "Wrong IEs value type. Array required");
1058 return -1;
1059 }
1060
1061 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1062 {
1063 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1064
1065 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1066 if (len == 0) {
1067 dbus_message_iter_next(&array_iter);
1068 continue;
1069 }
1070
1071 nies = os_realloc(ies, ies_len + len);
1072 if (nies == NULL) {
1073 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1074 "out of memory. Cannot allocate memory for "
1075 "IE");
1076 os_free(ies);
1077 *reply = dbus_message_new_error(
1078 message, DBUS_ERROR_NO_MEMORY, NULL);
1079 return -1;
1080 }
1081 ies = nies;
1082 os_memcpy(ies + ies_len, val, len);
1083 ies_len += len;
1084
1085 dbus_message_iter_next(&array_iter);
1086 }
1087
1088 params->extra_ies = ies;
1089 params->extra_ies_len = ies_len;
1090 return 0;
1091 }
1092
1093
wpas_dbus_get_scan_channels(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)1094 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1095 DBusMessageIter *var,
1096 struct wpa_driver_scan_params *params,
1097 DBusMessage **reply)
1098 {
1099 DBusMessageIter array_iter, sub_array_iter;
1100 int *freqs = NULL, *nfreqs;
1101 int freqs_num = 0;
1102
1103 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1104 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1105 "Channels must be an array of structs");
1106 *reply = wpas_dbus_error_invalid_args(
1107 message, "Wrong Channels value type. Array of structs "
1108 "required");
1109 return -1;
1110 }
1111
1112 dbus_message_iter_recurse(var, &array_iter);
1113
1114 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1115 wpa_printf(MSG_DEBUG,
1116 "wpas_dbus_handler_scan[dbus]: Channels must be an "
1117 "array of structs");
1118 *reply = wpas_dbus_error_invalid_args(
1119 message, "Wrong Channels value type. Array of structs "
1120 "required");
1121 return -1;
1122 }
1123
1124 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1125 {
1126 int freq, width;
1127
1128 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1129
1130 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1131 DBUS_TYPE_UINT32) {
1132 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1133 "Channel must by specified by struct of "
1134 "two UINT32s %c",
1135 dbus_message_iter_get_arg_type(
1136 &sub_array_iter));
1137 *reply = wpas_dbus_error_invalid_args(
1138 message, "Wrong Channel struct. Two UINT32s "
1139 "required");
1140 os_free(freqs);
1141 return -1;
1142 }
1143 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1144
1145 if (!dbus_message_iter_next(&sub_array_iter) ||
1146 dbus_message_iter_get_arg_type(&sub_array_iter) !=
1147 DBUS_TYPE_UINT32) {
1148 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1149 "Channel must by specified by struct of "
1150 "two UINT32s");
1151 *reply = wpas_dbus_error_invalid_args(
1152 message,
1153 "Wrong Channel struct. Two UINT32s required");
1154 os_free(freqs);
1155 return -1;
1156 }
1157
1158 dbus_message_iter_get_basic(&sub_array_iter, &width);
1159
1160 #define FREQS_ALLOC_CHUNK 32
1161 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1162 nfreqs = os_realloc_array(
1163 freqs, freqs_num + FREQS_ALLOC_CHUNK,
1164 sizeof(int));
1165 if (nfreqs == NULL)
1166 os_free(freqs);
1167 freqs = nfreqs;
1168 }
1169 if (freqs == NULL) {
1170 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1171 "out of memory. can't allocate memory for "
1172 "freqs");
1173 *reply = dbus_message_new_error(
1174 message, DBUS_ERROR_NO_MEMORY, NULL);
1175 return -1;
1176 }
1177
1178 freqs[freqs_num] = freq;
1179
1180 freqs_num++;
1181 dbus_message_iter_next(&array_iter);
1182 }
1183
1184 nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
1185 if (nfreqs == NULL)
1186 os_free(freqs);
1187 freqs = nfreqs;
1188 if (freqs == NULL) {
1189 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1190 "out of memory. Can't allocate memory for freqs");
1191 *reply = dbus_message_new_error(
1192 message, DBUS_ERROR_NO_MEMORY, NULL);
1193 return -1;
1194 }
1195 freqs[freqs_num] = 0;
1196
1197 params->freqs = freqs;
1198 return 0;
1199 }
1200
1201
1202 /**
1203 * wpas_dbus_handler_scan - Request a wireless scan on an interface
1204 * @message: Pointer to incoming dbus message
1205 * @wpa_s: wpa_supplicant structure for a network interface
1206 * Returns: NULL indicating success or DBus error message on failure
1207 *
1208 * Handler function for "Scan" method call of a network device. Requests
1209 * that wpa_supplicant perform a wireless scan as soon as possible
1210 * on a particular wireless interface.
1211 */
wpas_dbus_handler_scan(DBusMessage * message,struct wpa_supplicant * wpa_s)1212 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1213 struct wpa_supplicant *wpa_s)
1214 {
1215 DBusMessage *reply = NULL;
1216 DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1217 char *key = NULL, *type = NULL;
1218 struct wpa_driver_scan_params params;
1219 size_t i;
1220
1221 os_memset(¶ms, 0, sizeof(params));
1222
1223 dbus_message_iter_init(message, &iter);
1224
1225 dbus_message_iter_recurse(&iter, &dict_iter);
1226
1227 while (dbus_message_iter_get_arg_type(&dict_iter) ==
1228 DBUS_TYPE_DICT_ENTRY) {
1229 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1230 dbus_message_iter_get_basic(&entry_iter, &key);
1231 dbus_message_iter_next(&entry_iter);
1232 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1233
1234 if (os_strcmp(key, "Type") == 0) {
1235 if (wpas_dbus_get_scan_type(message, &variant_iter,
1236 &type, &reply) < 0)
1237 goto out;
1238 } else if (os_strcmp(key, "SSIDs") == 0) {
1239 if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1240 ¶ms, &reply) < 0)
1241 goto out;
1242 } else if (os_strcmp(key, "IEs") == 0) {
1243 if (wpas_dbus_get_scan_ies(message, &variant_iter,
1244 ¶ms, &reply) < 0)
1245 goto out;
1246 } else if (os_strcmp(key, "Channels") == 0) {
1247 if (wpas_dbus_get_scan_channels(message, &variant_iter,
1248 ¶ms, &reply) < 0)
1249 goto out;
1250 } else {
1251 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1252 "Unknown argument %s", key);
1253 reply = wpas_dbus_error_invalid_args(message, key);
1254 goto out;
1255 }
1256
1257 dbus_message_iter_next(&dict_iter);
1258 }
1259
1260 if (!type) {
1261 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1262 "Scan type not specified");
1263 reply = wpas_dbus_error_invalid_args(message, key);
1264 goto out;
1265 }
1266
1267 if (!os_strcmp(type, "passive")) {
1268 if (params.num_ssids || params.extra_ies_len) {
1269 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1270 "SSIDs or IEs specified for passive scan.");
1271 reply = wpas_dbus_error_invalid_args(
1272 message, "You can specify only Channels in "
1273 "passive scan");
1274 goto out;
1275 } else if (params.freqs && params.freqs[0]) {
1276 wpa_supplicant_trigger_scan(wpa_s, ¶ms);
1277 } else {
1278 wpa_s->scan_req = 2;
1279 wpa_supplicant_req_scan(wpa_s, 0, 0);
1280 }
1281 } else if (!os_strcmp(type, "active")) {
1282 if (!params.num_ssids) {
1283 /* Add wildcard ssid */
1284 params.num_ssids++;
1285 }
1286 #ifdef CONFIG_AUTOSCAN
1287 autoscan_deinit(wpa_s);
1288 #endif /* CONFIG_AUTOSCAN */
1289 wpa_supplicant_trigger_scan(wpa_s, ¶ms);
1290 } else {
1291 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1292 "Unknown scan type: %s", type);
1293 reply = wpas_dbus_error_invalid_args(message,
1294 "Wrong scan type");
1295 goto out;
1296 }
1297
1298 out:
1299 for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1300 os_free((u8 *) params.ssids[i].ssid);
1301 os_free((u8 *) params.extra_ies);
1302 os_free(params.freqs);
1303 return reply;
1304 }
1305
1306
1307 /*
1308 * wpas_dbus_handler_disconnect - Terminate the current connection
1309 * @message: Pointer to incoming dbus message
1310 * @wpa_s: wpa_supplicant structure for a network interface
1311 * Returns: NotConnected DBus error message if already not connected
1312 * or NULL otherwise.
1313 *
1314 * Handler function for "Disconnect" method call of network interface.
1315 */
wpas_dbus_handler_disconnect(DBusMessage * message,struct wpa_supplicant * wpa_s)1316 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1317 struct wpa_supplicant *wpa_s)
1318 {
1319 if (wpa_s->current_ssid != NULL) {
1320 wpa_s->disconnected = 1;
1321 wpa_supplicant_deauthenticate(wpa_s,
1322 WLAN_REASON_DEAUTH_LEAVING);
1323
1324 return NULL;
1325 }
1326
1327 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1328 "This interface is not connected");
1329 }
1330
1331
1332 /**
1333 * wpas_dbus_new_iface_add_network - Add a new configured network
1334 * @message: Pointer to incoming dbus message
1335 * @wpa_s: wpa_supplicant structure for a network interface
1336 * Returns: A dbus message containing the object path of the new network
1337 *
1338 * Handler function for "AddNetwork" method call of a network interface.
1339 */
wpas_dbus_handler_add_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1340 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1341 struct wpa_supplicant *wpa_s)
1342 {
1343 DBusMessage *reply = NULL;
1344 DBusMessageIter iter;
1345 struct wpa_ssid *ssid = NULL;
1346 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1347 DBusError error;
1348
1349 dbus_message_iter_init(message, &iter);
1350
1351 ssid = wpa_config_add_network(wpa_s->conf);
1352 if (ssid == NULL) {
1353 wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
1354 "can't add new interface.");
1355 reply = wpas_dbus_error_unknown_error(
1356 message,
1357 "wpa_supplicant could not add "
1358 "a network on this interface.");
1359 goto err;
1360 }
1361 wpas_notify_network_added(wpa_s, ssid);
1362 ssid->disabled = 1;
1363 wpa_config_set_network_defaults(ssid);
1364
1365 dbus_error_init(&error);
1366 if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
1367 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
1368 "control interface couldn't set network "
1369 "properties");
1370 reply = wpas_dbus_reply_new_from_error(message, &error,
1371 DBUS_ERROR_INVALID_ARGS,
1372 "Failed to add network");
1373 dbus_error_free(&error);
1374 goto err;
1375 }
1376
1377 /* Construct the object path for this network. */
1378 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1379 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1380 wpa_s->dbus_new_path, ssid->id);
1381
1382 reply = dbus_message_new_method_return(message);
1383 if (reply == NULL) {
1384 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1385 NULL);
1386 goto err;
1387 }
1388 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1389 DBUS_TYPE_INVALID)) {
1390 dbus_message_unref(reply);
1391 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1392 NULL);
1393 goto err;
1394 }
1395
1396 return reply;
1397
1398 err:
1399 if (ssid) {
1400 wpas_notify_network_removed(wpa_s, ssid);
1401 wpa_config_remove_network(wpa_s->conf, ssid->id);
1402 }
1403 return reply;
1404 }
1405
1406
1407 /**
1408 * wpas_dbus_handler_reassociate - Reassociate to current AP
1409 * @message: Pointer to incoming dbus message
1410 * @wpa_s: wpa_supplicant structure for a network interface
1411 * Returns: NotConnected DBus error message if not connected
1412 * or NULL otherwise.
1413 *
1414 * Handler function for "Reassociate" method call of network interface.
1415 */
wpas_dbus_handler_reassociate(DBusMessage * message,struct wpa_supplicant * wpa_s)1416 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
1417 struct wpa_supplicant *wpa_s)
1418 {
1419 if (wpa_s->current_ssid != NULL) {
1420 wpa_s->normal_scans = 0;
1421 wpa_supplicant_reinit_autoscan(wpa_s);
1422 wpa_s->disconnected = 0;
1423 wpa_s->reassociate = 1;
1424 wpa_supplicant_req_scan(wpa_s, 0, 0);
1425
1426 return NULL;
1427 }
1428
1429 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1430 "This interface is not connected");
1431 }
1432
1433
1434 /**
1435 * wpas_dbus_handler_remove_network - Remove a configured network
1436 * @message: Pointer to incoming dbus message
1437 * @wpa_s: wpa_supplicant structure for a network interface
1438 * Returns: NULL on success or dbus error on failure
1439 *
1440 * Handler function for "RemoveNetwork" method call of a network interface.
1441 */
wpas_dbus_handler_remove_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1442 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1443 struct wpa_supplicant *wpa_s)
1444 {
1445 DBusMessage *reply = NULL;
1446 const char *op;
1447 char *iface = NULL, *net_id = NULL;
1448 int id;
1449 struct wpa_ssid *ssid;
1450
1451 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1452 DBUS_TYPE_INVALID);
1453
1454 /* Extract the network ID and ensure the network */
1455 /* is actually a child of this interface */
1456 iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1457 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1458 reply = wpas_dbus_error_invalid_args(message, op);
1459 goto out;
1460 }
1461
1462 id = strtoul(net_id, NULL, 10);
1463 if (errno == EINVAL) {
1464 reply = wpas_dbus_error_invalid_args(message, op);
1465 goto out;
1466 }
1467
1468 ssid = wpa_config_get_network(wpa_s->conf, id);
1469 if (ssid == NULL) {
1470 reply = wpas_dbus_error_network_unknown(message);
1471 goto out;
1472 }
1473
1474 wpas_notify_network_removed(wpa_s, ssid);
1475
1476 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1477 wpa_printf(MSG_ERROR,
1478 "wpas_dbus_handler_remove_network[dbus]: "
1479 "error occurred when removing network %d", id);
1480 reply = wpas_dbus_error_unknown_error(
1481 message, "error removing the specified network on "
1482 "this interface.");
1483 goto out;
1484 }
1485
1486 if (ssid == wpa_s->current_ssid)
1487 wpa_supplicant_deauthenticate(wpa_s,
1488 WLAN_REASON_DEAUTH_LEAVING);
1489
1490 out:
1491 os_free(iface);
1492 os_free(net_id);
1493 return reply;
1494 }
1495
1496
remove_network(void * arg,struct wpa_ssid * ssid)1497 static void remove_network(void *arg, struct wpa_ssid *ssid)
1498 {
1499 struct wpa_supplicant *wpa_s = arg;
1500
1501 wpas_notify_network_removed(wpa_s, ssid);
1502
1503 if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1504 wpa_printf(MSG_ERROR,
1505 "wpas_dbus_handler_remove_all_networks[dbus]: "
1506 "error occurred when removing network %d",
1507 ssid->id);
1508 return;
1509 }
1510
1511 if (ssid == wpa_s->current_ssid)
1512 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1513 }
1514
1515
1516 /**
1517 * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1518 * @message: Pointer to incoming dbus message
1519 * @wpa_s: wpa_supplicant structure for a network interface
1520 * Returns: NULL on success or dbus error on failure
1521 *
1522 * Handler function for "RemoveAllNetworks" method call of a network interface.
1523 */
wpas_dbus_handler_remove_all_networks(DBusMessage * message,struct wpa_supplicant * wpa_s)1524 DBusMessage * wpas_dbus_handler_remove_all_networks(
1525 DBusMessage *message, struct wpa_supplicant *wpa_s)
1526 {
1527 /* NB: could check for failure and return an error */
1528 wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1529 return NULL;
1530 }
1531
1532
1533 /**
1534 * wpas_dbus_handler_select_network - Attempt association with a network
1535 * @message: Pointer to incoming dbus message
1536 * @wpa_s: wpa_supplicant structure for a network interface
1537 * Returns: NULL on success or dbus error on failure
1538 *
1539 * Handler function for "SelectNetwork" method call of network interface.
1540 */
wpas_dbus_handler_select_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1541 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1542 struct wpa_supplicant *wpa_s)
1543 {
1544 DBusMessage *reply = NULL;
1545 const char *op;
1546 char *iface = NULL, *net_id = NULL;
1547 int id;
1548 struct wpa_ssid *ssid;
1549
1550 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1551 DBUS_TYPE_INVALID);
1552
1553 /* Extract the network ID and ensure the network */
1554 /* is actually a child of this interface */
1555 iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1556 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1557 reply = wpas_dbus_error_invalid_args(message, op);
1558 goto out;
1559 }
1560
1561 id = strtoul(net_id, NULL, 10);
1562 if (errno == EINVAL) {
1563 reply = wpas_dbus_error_invalid_args(message, op);
1564 goto out;
1565 }
1566
1567 ssid = wpa_config_get_network(wpa_s->conf, id);
1568 if (ssid == NULL) {
1569 reply = wpas_dbus_error_network_unknown(message);
1570 goto out;
1571 }
1572
1573 /* Finally, associate with the network */
1574 wpa_supplicant_select_network(wpa_s, ssid);
1575
1576 out:
1577 os_free(iface);
1578 os_free(net_id);
1579 return reply;
1580 }
1581
1582
1583 /**
1584 * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
1585 * @message: Pointer to incoming dbus message
1586 * @wpa_s: wpa_supplicant structure for a network interface
1587 * Returns: NULL on success or dbus error on failure
1588 *
1589 * Handler function for "NetworkReply" method call of network interface.
1590 */
wpas_dbus_handler_network_reply(DBusMessage * message,struct wpa_supplicant * wpa_s)1591 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
1592 struct wpa_supplicant *wpa_s)
1593 {
1594 #ifdef IEEE8021X_EAPOL
1595 DBusMessage *reply = NULL;
1596 const char *op, *field, *value;
1597 char *iface = NULL, *net_id = NULL;
1598 int id;
1599 struct wpa_ssid *ssid;
1600
1601 if (!dbus_message_get_args(message, NULL,
1602 DBUS_TYPE_OBJECT_PATH, &op,
1603 DBUS_TYPE_STRING, &field,
1604 DBUS_TYPE_STRING, &value,
1605 DBUS_TYPE_INVALID))
1606 return wpas_dbus_error_invalid_args(message, NULL);
1607
1608 /* Extract the network ID and ensure the network */
1609 /* is actually a child of this interface */
1610 iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1611 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1612 reply = wpas_dbus_error_invalid_args(message, op);
1613 goto out;
1614 }
1615
1616 id = strtoul(net_id, NULL, 10);
1617 if (errno == EINVAL) {
1618 reply = wpas_dbus_error_invalid_args(message, net_id);
1619 goto out;
1620 }
1621
1622 ssid = wpa_config_get_network(wpa_s->conf, id);
1623 if (ssid == NULL) {
1624 reply = wpas_dbus_error_network_unknown(message);
1625 goto out;
1626 }
1627
1628 if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
1629 field, value) < 0)
1630 reply = wpas_dbus_error_invalid_args(message, field);
1631 else {
1632 /* Tell EAP to retry immediately */
1633 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1634 }
1635
1636 out:
1637 os_free(iface);
1638 os_free(net_id);
1639 return reply;
1640 #else /* IEEE8021X_EAPOL */
1641 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1642 return wpas_dbus_error_unknown_error(message, "802.1X not included");
1643 #endif /* IEEE8021X_EAPOL */
1644 }
1645
1646
1647 /**
1648 * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1649 * @message: Pointer to incoming dbus message
1650 * @wpa_s: %wpa_supplicant data structure
1651 * Returns: A dbus message containing an error on failure or NULL on success
1652 *
1653 * Asks wpa_supplicant to internally store a binary blobs.
1654 */
wpas_dbus_handler_add_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)1655 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1656 struct wpa_supplicant *wpa_s)
1657 {
1658 DBusMessage *reply = NULL;
1659 DBusMessageIter iter, array_iter;
1660
1661 char *blob_name;
1662 u8 *blob_data;
1663 int blob_len;
1664 struct wpa_config_blob *blob = NULL;
1665
1666 dbus_message_iter_init(message, &iter);
1667 dbus_message_iter_get_basic(&iter, &blob_name);
1668
1669 if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1670 return dbus_message_new_error(message,
1671 WPAS_DBUS_ERROR_BLOB_EXISTS,
1672 NULL);
1673 }
1674
1675 dbus_message_iter_next(&iter);
1676 dbus_message_iter_recurse(&iter, &array_iter);
1677
1678 dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1679
1680 blob = os_zalloc(sizeof(*blob));
1681 if (!blob) {
1682 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1683 NULL);
1684 goto err;
1685 }
1686
1687 blob->data = os_malloc(blob_len);
1688 if (!blob->data) {
1689 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1690 NULL);
1691 goto err;
1692 }
1693 os_memcpy(blob->data, blob_data, blob_len);
1694
1695 blob->len = blob_len;
1696 blob->name = os_strdup(blob_name);
1697 if (!blob->name) {
1698 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1699 NULL);
1700 goto err;
1701 }
1702
1703 wpa_config_set_blob(wpa_s->conf, blob);
1704 wpas_notify_blob_added(wpa_s, blob->name);
1705
1706 return reply;
1707
1708 err:
1709 if (blob) {
1710 os_free(blob->name);
1711 os_free(blob->data);
1712 os_free(blob);
1713 }
1714 return reply;
1715 }
1716
1717
1718 /**
1719 * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1720 * @message: Pointer to incoming dbus message
1721 * @wpa_s: %wpa_supplicant data structure
1722 * Returns: A dbus message containing array of bytes (blob)
1723 *
1724 * Gets one wpa_supplicant's binary blobs.
1725 */
wpas_dbus_handler_get_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)1726 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1727 struct wpa_supplicant *wpa_s)
1728 {
1729 DBusMessage *reply = NULL;
1730 DBusMessageIter iter, array_iter;
1731
1732 char *blob_name;
1733 const struct wpa_config_blob *blob;
1734
1735 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1736 DBUS_TYPE_INVALID);
1737
1738 blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1739 if (!blob) {
1740 return dbus_message_new_error(message,
1741 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1742 "Blob id not set");
1743 }
1744
1745 reply = dbus_message_new_method_return(message);
1746 if (!reply) {
1747 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1748 NULL);
1749 goto out;
1750 }
1751
1752 dbus_message_iter_init_append(reply, &iter);
1753
1754 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1755 DBUS_TYPE_BYTE_AS_STRING,
1756 &array_iter)) {
1757 dbus_message_unref(reply);
1758 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1759 NULL);
1760 goto out;
1761 }
1762
1763 if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1764 &(blob->data), blob->len)) {
1765 dbus_message_unref(reply);
1766 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1767 NULL);
1768 goto out;
1769 }
1770
1771 if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1772 dbus_message_unref(reply);
1773 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1774 NULL);
1775 goto out;
1776 }
1777
1778 out:
1779 return reply;
1780 }
1781
1782
1783 /**
1784 * wpas_remove_handler_remove_blob - Remove named binary blob
1785 * @message: Pointer to incoming dbus message
1786 * @wpa_s: %wpa_supplicant data structure
1787 * Returns: NULL on success or dbus error
1788 *
1789 * Asks wpa_supplicant to internally remove a binary blobs.
1790 */
wpas_dbus_handler_remove_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)1791 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1792 struct wpa_supplicant *wpa_s)
1793 {
1794 DBusMessage *reply = NULL;
1795 char *blob_name;
1796
1797 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1798 DBUS_TYPE_INVALID);
1799
1800 if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1801 return dbus_message_new_error(message,
1802 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1803 "Blob id not set");
1804 }
1805 wpas_notify_blob_removed(wpa_s, blob_name);
1806
1807 return reply;
1808
1809 }
1810
1811 /*
1812 * wpas_dbus_handler_flush_bss - Flush the BSS cache
1813 * @message: Pointer to incoming dbus message
1814 * @wpa_s: wpa_supplicant structure for a network interface
1815 * Returns: NULL
1816 *
1817 * Handler function for "FlushBSS" method call of network interface.
1818 */
wpas_dbus_handler_flush_bss(DBusMessage * message,struct wpa_supplicant * wpa_s)1819 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1820 struct wpa_supplicant *wpa_s)
1821 {
1822 dbus_uint32_t age;
1823
1824 dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1825 DBUS_TYPE_INVALID);
1826
1827 if (age == 0)
1828 wpa_bss_flush(wpa_s);
1829 else
1830 wpa_bss_flush_by_age(wpa_s, age);
1831
1832 return NULL;
1833 }
1834
1835
1836 #ifdef CONFIG_AUTOSCAN
1837 /**
1838 * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
1839 * @message: Pointer to incoming dbus message
1840 * @wpa_s: wpa_supplicant structure for a network interface
1841 * Returns: NULL
1842 *
1843 * Handler function for "AutoScan" method call of network interface.
1844 */
wpas_dbus_handler_autoscan(DBusMessage * message,struct wpa_supplicant * wpa_s)1845 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
1846 struct wpa_supplicant *wpa_s)
1847 {
1848 DBusMessage *reply = NULL;
1849 enum wpa_states state = wpa_s->wpa_state;
1850 char *arg;
1851
1852 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
1853 DBUS_TYPE_INVALID);
1854
1855 if (arg != NULL && os_strlen(arg) > 0) {
1856 char *tmp;
1857 tmp = os_strdup(arg);
1858 if (tmp == NULL) {
1859 reply = dbus_message_new_error(message,
1860 DBUS_ERROR_NO_MEMORY,
1861 NULL);
1862 } else {
1863 os_free(wpa_s->conf->autoscan);
1864 wpa_s->conf->autoscan = tmp;
1865 if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
1866 autoscan_init(wpa_s, 1);
1867 else if (state == WPA_SCANNING)
1868 wpa_supplicant_reinit_autoscan(wpa_s);
1869 }
1870 } else if (arg != NULL && os_strlen(arg) == 0) {
1871 os_free(wpa_s->conf->autoscan);
1872 wpa_s->conf->autoscan = NULL;
1873 autoscan_deinit(wpa_s);
1874 } else
1875 reply = dbus_message_new_error(message,
1876 DBUS_ERROR_INVALID_ARGS,
1877 NULL);
1878
1879 return reply;
1880 }
1881 #endif /* CONFIG_AUTOSCAN */
1882
1883
1884 /**
1885 * wpas_dbus_getter_capabilities - Return interface capabilities
1886 * @iter: Pointer to incoming dbus message iter
1887 * @error: Location to store error on failure
1888 * @user_data: Function specific data
1889 * Returns: TRUE on success, FALSE on failure
1890 *
1891 * Getter for "Capabilities" property of an interface.
1892 */
wpas_dbus_getter_capabilities(DBusMessageIter * iter,DBusError * error,void * user_data)1893 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
1894 DBusError *error, void *user_data)
1895 {
1896 struct wpa_supplicant *wpa_s = user_data;
1897 struct wpa_driver_capa capa;
1898 int res;
1899 DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
1900 variant_iter;
1901 const char *scans[] = { "active", "passive", "ssid" };
1902
1903 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1904 "a{sv}", &variant_iter))
1905 goto nomem;
1906
1907 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1908 goto nomem;
1909
1910 res = wpa_drv_get_capa(wpa_s, &capa);
1911
1912 /***** pairwise cipher */
1913 if (res < 0) {
1914 const char *args[] = {"ccmp", "tkip", "none"};
1915 if (!wpa_dbus_dict_append_string_array(
1916 &iter_dict, "Pairwise", args,
1917 sizeof(args) / sizeof(char*)))
1918 goto nomem;
1919 } else {
1920 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1921 &iter_dict_entry,
1922 &iter_dict_val,
1923 &iter_array))
1924 goto nomem;
1925
1926 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1927 if (!wpa_dbus_dict_string_array_add_element(
1928 &iter_array, "ccmp"))
1929 goto nomem;
1930 }
1931
1932 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1933 if (!wpa_dbus_dict_string_array_add_element(
1934 &iter_array, "gcmp"))
1935 goto nomem;
1936 }
1937
1938 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1939 if (!wpa_dbus_dict_string_array_add_element(
1940 &iter_array, "tkip"))
1941 goto nomem;
1942 }
1943
1944 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1945 if (!wpa_dbus_dict_string_array_add_element(
1946 &iter_array, "none"))
1947 goto nomem;
1948 }
1949
1950 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1951 &iter_dict_entry,
1952 &iter_dict_val,
1953 &iter_array))
1954 goto nomem;
1955 }
1956
1957 /***** group cipher */
1958 if (res < 0) {
1959 const char *args[] = {
1960 "ccmp", "tkip", "wep104", "wep40"
1961 };
1962 if (!wpa_dbus_dict_append_string_array(
1963 &iter_dict, "Group", args,
1964 sizeof(args) / sizeof(char*)))
1965 goto nomem;
1966 } else {
1967 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
1968 &iter_dict_entry,
1969 &iter_dict_val,
1970 &iter_array))
1971 goto nomem;
1972
1973 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1974 if (!wpa_dbus_dict_string_array_add_element(
1975 &iter_array, "ccmp"))
1976 goto nomem;
1977 }
1978
1979 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1980 if (!wpa_dbus_dict_string_array_add_element(
1981 &iter_array, "gcmp"))
1982 goto nomem;
1983 }
1984
1985 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1986 if (!wpa_dbus_dict_string_array_add_element(
1987 &iter_array, "tkip"))
1988 goto nomem;
1989 }
1990
1991 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1992 if (!wpa_dbus_dict_string_array_add_element(
1993 &iter_array, "wep104"))
1994 goto nomem;
1995 }
1996
1997 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1998 if (!wpa_dbus_dict_string_array_add_element(
1999 &iter_array, "wep40"))
2000 goto nomem;
2001 }
2002
2003 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2004 &iter_dict_entry,
2005 &iter_dict_val,
2006 &iter_array))
2007 goto nomem;
2008 }
2009
2010 /***** key management */
2011 if (res < 0) {
2012 const char *args[] = {
2013 "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2014 #ifdef CONFIG_WPS
2015 "wps",
2016 #endif /* CONFIG_WPS */
2017 "none"
2018 };
2019 if (!wpa_dbus_dict_append_string_array(
2020 &iter_dict, "KeyMgmt", args,
2021 sizeof(args) / sizeof(char*)))
2022 goto nomem;
2023 } else {
2024 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2025 &iter_dict_entry,
2026 &iter_dict_val,
2027 &iter_array))
2028 goto nomem;
2029
2030 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2031 "none"))
2032 goto nomem;
2033
2034 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2035 "ieee8021x"))
2036 goto nomem;
2037
2038 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2039 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2040 if (!wpa_dbus_dict_string_array_add_element(
2041 &iter_array, "wpa-eap"))
2042 goto nomem;
2043
2044 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
2045 if (!wpa_dbus_dict_string_array_add_element(
2046 &iter_array, "wpa-ft-eap"))
2047 goto nomem;
2048
2049 /* TODO: Ensure that driver actually supports sha256 encryption. */
2050 #ifdef CONFIG_IEEE80211W
2051 if (!wpa_dbus_dict_string_array_add_element(
2052 &iter_array, "wpa-eap-sha256"))
2053 goto nomem;
2054 #endif /* CONFIG_IEEE80211W */
2055 }
2056
2057 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2058 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2059 if (!wpa_dbus_dict_string_array_add_element(
2060 &iter_array, "wpa-psk"))
2061 goto nomem;
2062
2063 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
2064 if (!wpa_dbus_dict_string_array_add_element(
2065 &iter_array, "wpa-ft-psk"))
2066 goto nomem;
2067
2068 /* TODO: Ensure that driver actually supports sha256 encryption. */
2069 #ifdef CONFIG_IEEE80211W
2070 if (!wpa_dbus_dict_string_array_add_element(
2071 &iter_array, "wpa-psk-sha256"))
2072 goto nomem;
2073 #endif /* CONFIG_IEEE80211W */
2074 }
2075
2076 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2077 if (!wpa_dbus_dict_string_array_add_element(
2078 &iter_array, "wpa-none"))
2079 goto nomem;
2080 }
2081
2082
2083 #ifdef CONFIG_WPS
2084 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2085 "wps"))
2086 goto nomem;
2087 #endif /* CONFIG_WPS */
2088
2089 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2090 &iter_dict_entry,
2091 &iter_dict_val,
2092 &iter_array))
2093 goto nomem;
2094 }
2095
2096 /***** WPA protocol */
2097 if (res < 0) {
2098 const char *args[] = { "rsn", "wpa" };
2099 if (!wpa_dbus_dict_append_string_array(
2100 &iter_dict, "Protocol", args,
2101 sizeof(args) / sizeof(char*)))
2102 goto nomem;
2103 } else {
2104 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2105 &iter_dict_entry,
2106 &iter_dict_val,
2107 &iter_array))
2108 goto nomem;
2109
2110 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2111 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2112 if (!wpa_dbus_dict_string_array_add_element(
2113 &iter_array, "rsn"))
2114 goto nomem;
2115 }
2116
2117 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2118 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2119 if (!wpa_dbus_dict_string_array_add_element(
2120 &iter_array, "wpa"))
2121 goto nomem;
2122 }
2123
2124 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2125 &iter_dict_entry,
2126 &iter_dict_val,
2127 &iter_array))
2128 goto nomem;
2129 }
2130
2131 /***** auth alg */
2132 if (res < 0) {
2133 const char *args[] = { "open", "shared", "leap" };
2134 if (!wpa_dbus_dict_append_string_array(
2135 &iter_dict, "AuthAlg", args,
2136 sizeof(args) / sizeof(char*)))
2137 goto nomem;
2138 } else {
2139 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2140 &iter_dict_entry,
2141 &iter_dict_val,
2142 &iter_array))
2143 goto nomem;
2144
2145 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2146 if (!wpa_dbus_dict_string_array_add_element(
2147 &iter_array, "open"))
2148 goto nomem;
2149 }
2150
2151 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2152 if (!wpa_dbus_dict_string_array_add_element(
2153 &iter_array, "shared"))
2154 goto nomem;
2155 }
2156
2157 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2158 if (!wpa_dbus_dict_string_array_add_element(
2159 &iter_array, "leap"))
2160 goto nomem;
2161 }
2162
2163 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2164 &iter_dict_entry,
2165 &iter_dict_val,
2166 &iter_array))
2167 goto nomem;
2168 }
2169
2170 /***** Scan */
2171 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2172 sizeof(scans) / sizeof(char *)))
2173 goto nomem;
2174
2175 /***** Modes */
2176 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2177 &iter_dict_entry,
2178 &iter_dict_val,
2179 &iter_array))
2180 goto nomem;
2181
2182 if (!wpa_dbus_dict_string_array_add_element(
2183 &iter_array, "infrastructure"))
2184 goto nomem;
2185
2186 if (!wpa_dbus_dict_string_array_add_element(
2187 &iter_array, "ad-hoc"))
2188 goto nomem;
2189
2190 if (res >= 0) {
2191 if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
2192 if (!wpa_dbus_dict_string_array_add_element(
2193 &iter_array, "ap"))
2194 goto nomem;
2195 }
2196
2197 if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
2198 if (!wpa_dbus_dict_string_array_add_element(
2199 &iter_array, "p2p"))
2200 goto nomem;
2201 }
2202 }
2203
2204 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2205 &iter_dict_entry,
2206 &iter_dict_val,
2207 &iter_array))
2208 goto nomem;
2209 /***** Modes end */
2210
2211 if (res >= 0) {
2212 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2213
2214 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2215 max_scan_ssid))
2216 goto nomem;
2217 }
2218
2219 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2220 goto nomem;
2221 if (!dbus_message_iter_close_container(iter, &variant_iter))
2222 goto nomem;
2223
2224 return TRUE;
2225
2226 nomem:
2227 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2228 return FALSE;
2229 }
2230
2231
2232 /**
2233 * wpas_dbus_getter_state - Get interface state
2234 * @iter: Pointer to incoming dbus message iter
2235 * @error: Location to store error on failure
2236 * @user_data: Function specific data
2237 * Returns: TRUE on success, FALSE on failure
2238 *
2239 * Getter for "State" property.
2240 */
wpas_dbus_getter_state(DBusMessageIter * iter,DBusError * error,void * user_data)2241 dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
2242 void *user_data)
2243 {
2244 struct wpa_supplicant *wpa_s = user_data;
2245 const char *str_state;
2246 char *state_ls, *tmp;
2247 dbus_bool_t success = FALSE;
2248
2249 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2250
2251 /* make state string lowercase to fit new DBus API convention
2252 */
2253 state_ls = tmp = os_strdup(str_state);
2254 if (!tmp) {
2255 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2256 return FALSE;
2257 }
2258 while (*tmp) {
2259 *tmp = tolower(*tmp);
2260 tmp++;
2261 }
2262
2263 success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2264 &state_ls, error);
2265
2266 os_free(state_ls);
2267
2268 return success;
2269 }
2270
2271
2272 /**
2273 * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2274 * @iter: Pointer to incoming dbus message iter
2275 * @error: Location to store error on failure
2276 * @user_data: Function specific data
2277 * Returns: TRUE on success, FALSE on failure
2278 *
2279 * Getter for "scanning" property.
2280 */
wpas_dbus_getter_scanning(DBusMessageIter * iter,DBusError * error,void * user_data)2281 dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
2282 void *user_data)
2283 {
2284 struct wpa_supplicant *wpa_s = user_data;
2285 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2286
2287 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2288 &scanning, error);
2289 }
2290
2291
2292 /**
2293 * wpas_dbus_getter_ap_scan - Control roaming mode
2294 * @iter: Pointer to incoming dbus message iter
2295 * @error: Location to store error on failure
2296 * @user_data: Function specific data
2297 * Returns: TRUE on success, FALSE on failure
2298 *
2299 * Getter function for "ApScan" property.
2300 */
wpas_dbus_getter_ap_scan(DBusMessageIter * iter,DBusError * error,void * user_data)2301 dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
2302 void *user_data)
2303 {
2304 struct wpa_supplicant *wpa_s = user_data;
2305 dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2306
2307 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2308 &ap_scan, error);
2309 }
2310
2311
2312 /**
2313 * wpas_dbus_setter_ap_scan - Control roaming mode
2314 * @iter: Pointer to incoming dbus message iter
2315 * @error: Location to store error on failure
2316 * @user_data: Function specific data
2317 * Returns: TRUE on success, FALSE on failure
2318 *
2319 * Setter function for "ApScan" property.
2320 */
wpas_dbus_setter_ap_scan(DBusMessageIter * iter,DBusError * error,void * user_data)2321 dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
2322 void *user_data)
2323 {
2324 struct wpa_supplicant *wpa_s = user_data;
2325 dbus_uint32_t ap_scan;
2326
2327 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2328 &ap_scan))
2329 return FALSE;
2330
2331 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2332 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2333 "ap_scan must be 0, 1, or 2");
2334 return FALSE;
2335 }
2336 return TRUE;
2337 }
2338
2339
2340 /**
2341 * wpas_dbus_getter_fast_reauth - Control fast
2342 * reauthentication (TLS session resumption)
2343 * @iter: Pointer to incoming dbus message iter
2344 * @error: Location to store error on failure
2345 * @user_data: Function specific data
2346 * Returns: TRUE on success, FALSE on failure
2347 *
2348 * Getter function for "FastReauth" property.
2349 */
wpas_dbus_getter_fast_reauth(DBusMessageIter * iter,DBusError * error,void * user_data)2350 dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
2351 DBusError *error,
2352 void *user_data)
2353 {
2354 struct wpa_supplicant *wpa_s = user_data;
2355 dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2356
2357 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2358 &fast_reauth, error);
2359 }
2360
2361
2362 /**
2363 * wpas_dbus_setter_fast_reauth - Control fast
2364 * reauthentication (TLS session resumption)
2365 * @iter: Pointer to incoming dbus message iter
2366 * @error: Location to store error on failure
2367 * @user_data: Function specific data
2368 * Returns: TRUE on success, FALSE on failure
2369 *
2370 * Setter function for "FastReauth" property.
2371 */
wpas_dbus_setter_fast_reauth(DBusMessageIter * iter,DBusError * error,void * user_data)2372 dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
2373 DBusError *error,
2374 void *user_data)
2375 {
2376 struct wpa_supplicant *wpa_s = user_data;
2377 dbus_bool_t fast_reauth;
2378
2379 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2380 &fast_reauth))
2381 return FALSE;
2382
2383 wpa_s->conf->fast_reauth = fast_reauth;
2384 return TRUE;
2385 }
2386
2387
2388 /**
2389 * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2390 * @iter: Pointer to incoming dbus message iter
2391 * @error: Location to store error on failure
2392 * @user_data: Function specific data
2393 * Returns: TRUE on success, FALSE on failure
2394 *
2395 * Getter for "DisconnectReason" property. The reason is negative if it is
2396 * locally generated.
2397 */
wpas_dbus_getter_disconnect_reason(DBusMessageIter * iter,DBusError * error,void * user_data)2398 dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
2399 DBusError *error,
2400 void *user_data)
2401 {
2402 struct wpa_supplicant *wpa_s = user_data;
2403 dbus_int32_t reason = wpa_s->disconnect_reason;
2404 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2405 &reason, error);
2406 }
2407
2408
2409 /**
2410 * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2411 * @iter: Pointer to incoming dbus message iter
2412 * @error: Location to store error on failure
2413 * @user_data: Function specific data
2414 * Returns: TRUE on success, FALSE on failure
2415 *
2416 * Getter function for "BSSExpireAge" property.
2417 */
wpas_dbus_getter_bss_expire_age(DBusMessageIter * iter,DBusError * error,void * user_data)2418 dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
2419 DBusError *error,
2420 void *user_data)
2421 {
2422 struct wpa_supplicant *wpa_s = user_data;
2423 dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2424
2425 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2426 &expire_age, error);
2427 }
2428
2429
2430 /**
2431 * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2432 * @iter: Pointer to incoming dbus message iter
2433 * @error: Location to store error on failure
2434 * @user_data: Function specific data
2435 * Returns: TRUE on success, FALSE on failure
2436 *
2437 * Setter function for "BSSExpireAge" property.
2438 */
wpas_dbus_setter_bss_expire_age(DBusMessageIter * iter,DBusError * error,void * user_data)2439 dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
2440 DBusError *error,
2441 void *user_data)
2442 {
2443 struct wpa_supplicant *wpa_s = user_data;
2444 dbus_uint32_t expire_age;
2445
2446 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2447 &expire_age))
2448 return FALSE;
2449
2450 if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2451 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2452 "BSSExpireAge must be >= 10");
2453 return FALSE;
2454 }
2455 return TRUE;
2456 }
2457
2458
2459 /**
2460 * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2461 * @iter: Pointer to incoming dbus message iter
2462 * @error: Location to store error on failure
2463 * @user_data: Function specific data
2464 * Returns: TRUE on success, FALSE on failure
2465 *
2466 * Getter function for "BSSExpireCount" property.
2467 */
wpas_dbus_getter_bss_expire_count(DBusMessageIter * iter,DBusError * error,void * user_data)2468 dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
2469 DBusError *error,
2470 void *user_data)
2471 {
2472 struct wpa_supplicant *wpa_s = user_data;
2473 dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
2474
2475 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2476 &expire_count, error);
2477 }
2478
2479
2480 /**
2481 * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2482 * @iter: Pointer to incoming dbus message iter
2483 * @error: Location to store error on failure
2484 * @user_data: Function specific data
2485 * Returns: TRUE on success, FALSE on failure
2486 *
2487 * Setter function for "BSSExpireCount" property.
2488 */
wpas_dbus_setter_bss_expire_count(DBusMessageIter * iter,DBusError * error,void * user_data)2489 dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
2490 DBusError *error,
2491 void *user_data)
2492 {
2493 struct wpa_supplicant *wpa_s = user_data;
2494 dbus_uint32_t expire_count;
2495
2496 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2497 &expire_count))
2498 return FALSE;
2499
2500 if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2501 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2502 "BSSExpireCount must be > 0");
2503 return FALSE;
2504 }
2505 return TRUE;
2506 }
2507
2508
2509 /**
2510 * wpas_dbus_getter_country - Control country code
2511 * @iter: Pointer to incoming dbus message iter
2512 * @error: Location to store error on failure
2513 * @user_data: Function specific data
2514 * Returns: TRUE on success, FALSE on failure
2515 *
2516 * Getter function for "Country" property.
2517 */
wpas_dbus_getter_country(DBusMessageIter * iter,DBusError * error,void * user_data)2518 dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
2519 void *user_data)
2520 {
2521 struct wpa_supplicant *wpa_s = user_data;
2522 char country[3];
2523 char *str = country;
2524
2525 country[0] = wpa_s->conf->country[0];
2526 country[1] = wpa_s->conf->country[1];
2527 country[2] = '\0';
2528
2529 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2530 &str, error);
2531 }
2532
2533
2534 /**
2535 * wpas_dbus_setter_country - Control country code
2536 * @iter: Pointer to incoming dbus message iter
2537 * @error: Location to store error on failure
2538 * @user_data: Function specific data
2539 * Returns: TRUE on success, FALSE on failure
2540 *
2541 * Setter function for "Country" property.
2542 */
wpas_dbus_setter_country(DBusMessageIter * iter,DBusError * error,void * user_data)2543 dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
2544 void *user_data)
2545 {
2546 struct wpa_supplicant *wpa_s = user_data;
2547 const char *country;
2548
2549 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
2550 &country))
2551 return FALSE;
2552
2553 if (!country[0] || !country[1]) {
2554 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2555 "invalid country code");
2556 return FALSE;
2557 }
2558
2559 if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2560 wpa_printf(MSG_DEBUG, "Failed to set country");
2561 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2562 "failed to set country code");
2563 return FALSE;
2564 }
2565
2566 wpa_s->conf->country[0] = country[0];
2567 wpa_s->conf->country[1] = country[1];
2568 return TRUE;
2569 }
2570
2571
2572 /**
2573 * wpas_dbus_getter_scan_interval - Get scan interval
2574 * @iter: Pointer to incoming dbus message iter
2575 * @error: Location to store error on failure
2576 * @user_data: Function specific data
2577 * Returns: TRUE on success, FALSE on failure
2578 *
2579 * Getter function for "ScanInterval" property.
2580 */
wpas_dbus_getter_scan_interval(DBusMessageIter * iter,DBusError * error,void * user_data)2581 dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
2582 DBusError *error,
2583 void *user_data)
2584 {
2585 struct wpa_supplicant *wpa_s = user_data;
2586 dbus_int32_t scan_interval = wpa_s->scan_interval;
2587
2588 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2589 &scan_interval, error);
2590 }
2591
2592
2593 /**
2594 * wpas_dbus_setter_scan_interval - Control scan interval
2595 * @iter: Pointer to incoming dbus message iter
2596 * @error: Location to store error on failure
2597 * @user_data: Function specific data
2598 * Returns: TRUE on success, FALSE on failure
2599 *
2600 * Setter function for "ScanInterval" property.
2601 */
wpas_dbus_setter_scan_interval(DBusMessageIter * iter,DBusError * error,void * user_data)2602 dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
2603 DBusError *error,
2604 void *user_data)
2605 {
2606 struct wpa_supplicant *wpa_s = user_data;
2607 dbus_int32_t scan_interval;
2608
2609 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
2610 &scan_interval))
2611 return FALSE;
2612
2613 if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
2614 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2615 "scan_interval must be >= 0");
2616 return FALSE;
2617 }
2618 return TRUE;
2619 }
2620
2621
2622 /**
2623 * wpas_dbus_getter_ifname - Get interface name
2624 * @iter: Pointer to incoming dbus message iter
2625 * @error: Location to store error on failure
2626 * @user_data: Function specific data
2627 * Returns: TRUE on success, FALSE on failure
2628 *
2629 * Getter for "Ifname" property.
2630 */
wpas_dbus_getter_ifname(DBusMessageIter * iter,DBusError * error,void * user_data)2631 dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
2632 void *user_data)
2633 {
2634 struct wpa_supplicant *wpa_s = user_data;
2635 const char *ifname = wpa_s->ifname;
2636
2637 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2638 &ifname, error);
2639 }
2640
2641
2642 /**
2643 * wpas_dbus_getter_driver - Get interface name
2644 * @iter: Pointer to incoming dbus message iter
2645 * @error: Location to store error on failure
2646 * @user_data: Function specific data
2647 * Returns: TRUE on success, FALSE on failure
2648 *
2649 * Getter for "Driver" property.
2650 */
wpas_dbus_getter_driver(DBusMessageIter * iter,DBusError * error,void * user_data)2651 dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
2652 void *user_data)
2653 {
2654 struct wpa_supplicant *wpa_s = user_data;
2655 const char *driver;
2656
2657 if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2658 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2659 "wpa_s has no driver set");
2660 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
2661 __func__);
2662 return FALSE;
2663 }
2664
2665 driver = wpa_s->driver->name;
2666 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2667 &driver, error);
2668 }
2669
2670
2671 /**
2672 * wpas_dbus_getter_current_bss - Get current bss object path
2673 * @iter: Pointer to incoming dbus message iter
2674 * @error: Location to store error on failure
2675 * @user_data: Function specific data
2676 * Returns: TRUE on success, FALSE on failure
2677 *
2678 * Getter for "CurrentBSS" property.
2679 */
wpas_dbus_getter_current_bss(DBusMessageIter * iter,DBusError * error,void * user_data)2680 dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
2681 DBusError *error,
2682 void *user_data)
2683 {
2684 struct wpa_supplicant *wpa_s = user_data;
2685 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2686
2687 if (wpa_s->current_bss)
2688 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2689 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2690 wpa_s->dbus_new_path, wpa_s->current_bss->id);
2691 else
2692 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2693
2694 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2695 &bss_obj_path, error);
2696 }
2697
2698
2699 /**
2700 * wpas_dbus_getter_current_network - Get current network object path
2701 * @iter: Pointer to incoming dbus message iter
2702 * @error: Location to store error on failure
2703 * @user_data: Function specific data
2704 * Returns: TRUE on success, FALSE on failure
2705 *
2706 * Getter for "CurrentNetwork" property.
2707 */
wpas_dbus_getter_current_network(DBusMessageIter * iter,DBusError * error,void * user_data)2708 dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
2709 DBusError *error,
2710 void *user_data)
2711 {
2712 struct wpa_supplicant *wpa_s = user_data;
2713 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2714
2715 if (wpa_s->current_ssid)
2716 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2717 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2718 wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2719 else
2720 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2721
2722 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2723 &net_obj_path, error);
2724 }
2725
2726
2727 /**
2728 * wpas_dbus_getter_current_auth_mode - Get current authentication type
2729 * @iter: Pointer to incoming dbus message iter
2730 * @error: Location to store error on failure
2731 * @user_data: Function specific data
2732 * Returns: TRUE on success, FALSE on failure
2733 *
2734 * Getter for "CurrentAuthMode" property.
2735 */
wpas_dbus_getter_current_auth_mode(DBusMessageIter * iter,DBusError * error,void * user_data)2736 dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
2737 DBusError *error,
2738 void *user_data)
2739 {
2740 struct wpa_supplicant *wpa_s = user_data;
2741 const char *eap_mode;
2742 const char *auth_mode;
2743 char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2744
2745 if (wpa_s->wpa_state != WPA_COMPLETED) {
2746 auth_mode = "INACTIVE";
2747 } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2748 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2749 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2750 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2751 "EAP-%s", eap_mode);
2752 auth_mode = eap_mode_buf;
2753
2754 } else {
2755 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2756 wpa_s->current_ssid->proto);
2757 }
2758
2759 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2760 &auth_mode, error);
2761 }
2762
2763
2764 /**
2765 * wpas_dbus_getter_bridge_ifname - Get interface name
2766 * @iter: Pointer to incoming dbus message iter
2767 * @error: Location to store error on failure
2768 * @user_data: Function specific data
2769 * Returns: TRUE on success, FALSE on failure
2770 *
2771 * Getter for "BridgeIfname" property.
2772 */
wpas_dbus_getter_bridge_ifname(DBusMessageIter * iter,DBusError * error,void * user_data)2773 dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
2774 DBusError *error,
2775 void *user_data)
2776 {
2777 struct wpa_supplicant *wpa_s = user_data;
2778 const char *bridge_ifname = wpa_s->bridge_ifname;
2779 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2780 &bridge_ifname, error);
2781 }
2782
2783
2784 /**
2785 * wpas_dbus_getter_bsss - Get array of BSSs objects
2786 * @iter: Pointer to incoming dbus message iter
2787 * @error: Location to store error on failure
2788 * @user_data: Function specific data
2789 * Returns: TRUE on success, FALSE on failure
2790 *
2791 * Getter for "BSSs" property.
2792 */
wpas_dbus_getter_bsss(DBusMessageIter * iter,DBusError * error,void * user_data)2793 dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
2794 void *user_data)
2795 {
2796 struct wpa_supplicant *wpa_s = user_data;
2797 struct wpa_bss *bss;
2798 char **paths;
2799 unsigned int i = 0;
2800 dbus_bool_t success = FALSE;
2801
2802 paths = os_calloc(wpa_s->num_bss, sizeof(char *));
2803 if (!paths) {
2804 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2805 return FALSE;
2806 }
2807
2808 /* Loop through scan results and append each result's object path */
2809 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2810 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2811 if (paths[i] == NULL) {
2812 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2813 "no memory");
2814 goto out;
2815 }
2816 /* Construct the object path for this BSS. */
2817 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2818 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2819 wpa_s->dbus_new_path, bss->id);
2820 }
2821
2822 success = wpas_dbus_simple_array_property_getter(iter,
2823 DBUS_TYPE_OBJECT_PATH,
2824 paths, wpa_s->num_bss,
2825 error);
2826
2827 out:
2828 while (i)
2829 os_free(paths[--i]);
2830 os_free(paths);
2831 return success;
2832 }
2833
2834
2835 /**
2836 * wpas_dbus_getter_networks - Get array of networks objects
2837 * @iter: Pointer to incoming dbus message iter
2838 * @error: Location to store error on failure
2839 * @user_data: Function specific data
2840 * Returns: TRUE on success, FALSE on failure
2841 *
2842 * Getter for "Networks" property.
2843 */
wpas_dbus_getter_networks(DBusMessageIter * iter,DBusError * error,void * user_data)2844 dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
2845 void *user_data)
2846 {
2847 struct wpa_supplicant *wpa_s = user_data;
2848 struct wpa_ssid *ssid;
2849 char **paths;
2850 unsigned int i = 0, num = 0;
2851 dbus_bool_t success = FALSE;
2852
2853 if (wpa_s->conf == NULL) {
2854 wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
2855 "networks list.", __func__);
2856 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
2857 "occurred getting the networks list", __func__);
2858 return FALSE;
2859 }
2860
2861 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2862 if (!network_is_persistent_group(ssid))
2863 num++;
2864
2865 paths = os_calloc(num, sizeof(char *));
2866 if (!paths) {
2867 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2868 return FALSE;
2869 }
2870
2871 /* Loop through configured networks and append object path of each */
2872 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2873 if (network_is_persistent_group(ssid))
2874 continue;
2875 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2876 if (paths[i] == NULL) {
2877 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2878 goto out;
2879 }
2880
2881 /* Construct the object path for this network. */
2882 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2883 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2884 wpa_s->dbus_new_path, ssid->id);
2885 }
2886
2887 success = wpas_dbus_simple_array_property_getter(iter,
2888 DBUS_TYPE_OBJECT_PATH,
2889 paths, num, error);
2890
2891 out:
2892 while (i)
2893 os_free(paths[--i]);
2894 os_free(paths);
2895 return success;
2896 }
2897
2898
2899 /**
2900 * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2901 * @iter: Pointer to incoming dbus message iter
2902 * @error: Location to store error on failure
2903 * @user_data: Function specific data
2904 * Returns: TRUE on success, FALSE on failure
2905 *
2906 * Getter for "Blobs" property.
2907 */
wpas_dbus_getter_blobs(DBusMessageIter * iter,DBusError * error,void * user_data)2908 dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
2909 void *user_data)
2910 {
2911 struct wpa_supplicant *wpa_s = user_data;
2912 DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
2913 struct wpa_config_blob *blob;
2914
2915 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2916 "a{say}", &variant_iter) ||
2917 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2918 "{say}", &dict_iter)) {
2919 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2920 return FALSE;
2921 }
2922
2923 blob = wpa_s->conf->blobs;
2924 while (blob) {
2925 if (!dbus_message_iter_open_container(&dict_iter,
2926 DBUS_TYPE_DICT_ENTRY,
2927 NULL, &entry_iter) ||
2928 !dbus_message_iter_append_basic(&entry_iter,
2929 DBUS_TYPE_STRING,
2930 &(blob->name)) ||
2931 !dbus_message_iter_open_container(&entry_iter,
2932 DBUS_TYPE_ARRAY,
2933 DBUS_TYPE_BYTE_AS_STRING,
2934 &array_iter) ||
2935 !dbus_message_iter_append_fixed_array(&array_iter,
2936 DBUS_TYPE_BYTE,
2937 &(blob->data),
2938 blob->len) ||
2939 !dbus_message_iter_close_container(&entry_iter,
2940 &array_iter) ||
2941 !dbus_message_iter_close_container(&dict_iter,
2942 &entry_iter)) {
2943 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2944 "no memory");
2945 return FALSE;
2946 }
2947
2948 blob = blob->next;
2949 }
2950
2951 if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
2952 !dbus_message_iter_close_container(iter, &variant_iter)) {
2953 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2954 return FALSE;
2955 }
2956
2957 return TRUE;
2958 }
2959
2960
get_bss_helper(struct bss_handler_args * args,DBusError * error,const char * func_name)2961 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
2962 DBusError *error, const char *func_name)
2963 {
2964 struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
2965
2966 if (!res) {
2967 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
2968 func_name, args->id);
2969 dbus_set_error(error, DBUS_ERROR_FAILED,
2970 "%s: BSS %d not found",
2971 func_name, args->id);
2972 }
2973
2974 return res;
2975 }
2976
2977
2978 /**
2979 * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
2980 * @iter: Pointer to incoming dbus message iter
2981 * @error: Location to store error on failure
2982 * @user_data: Function specific data
2983 * Returns: TRUE on success, FALSE on failure
2984 *
2985 * Getter for "BSSID" property.
2986 */
wpas_dbus_getter_bss_bssid(DBusMessageIter * iter,DBusError * error,void * user_data)2987 dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
2988 void *user_data)
2989 {
2990 struct bss_handler_args *args = user_data;
2991 struct wpa_bss *res;
2992
2993 res = get_bss_helper(args, error, __func__);
2994 if (!res)
2995 return FALSE;
2996
2997 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
2998 res->bssid, ETH_ALEN,
2999 error);
3000 }
3001
3002
3003 /**
3004 * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3005 * @iter: Pointer to incoming dbus message iter
3006 * @error: Location to store error on failure
3007 * @user_data: Function specific data
3008 * Returns: TRUE on success, FALSE on failure
3009 *
3010 * Getter for "SSID" property.
3011 */
wpas_dbus_getter_bss_ssid(DBusMessageIter * iter,DBusError * error,void * user_data)3012 dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
3013 void *user_data)
3014 {
3015 struct bss_handler_args *args = user_data;
3016 struct wpa_bss *res;
3017
3018 res = get_bss_helper(args, error, __func__);
3019 if (!res)
3020 return FALSE;
3021
3022 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3023 res->ssid, res->ssid_len,
3024 error);
3025 }
3026
3027
3028 /**
3029 * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3030 * @iter: Pointer to incoming dbus message iter
3031 * @error: Location to store error on failure
3032 * @user_data: Function specific data
3033 * Returns: TRUE on success, FALSE on failure
3034 *
3035 * Getter for "Privacy" property.
3036 */
wpas_dbus_getter_bss_privacy(DBusMessageIter * iter,DBusError * error,void * user_data)3037 dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
3038 DBusError *error, void *user_data)
3039 {
3040 struct bss_handler_args *args = user_data;
3041 struct wpa_bss *res;
3042 dbus_bool_t privacy;
3043
3044 res = get_bss_helper(args, error, __func__);
3045 if (!res)
3046 return FALSE;
3047
3048 privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3049 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3050 &privacy, error);
3051 }
3052
3053
3054 /**
3055 * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3056 * @iter: Pointer to incoming dbus message iter
3057 * @error: Location to store error on failure
3058 * @user_data: Function specific data
3059 * Returns: TRUE on success, FALSE on failure
3060 *
3061 * Getter for "Mode" property.
3062 */
wpas_dbus_getter_bss_mode(DBusMessageIter * iter,DBusError * error,void * user_data)3063 dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
3064 void *user_data)
3065 {
3066 struct bss_handler_args *args = user_data;
3067 struct wpa_bss *res;
3068 const char *mode;
3069
3070 res = get_bss_helper(args, error, __func__);
3071 if (!res)
3072 return FALSE;
3073
3074 if (res->caps & IEEE80211_CAP_IBSS)
3075 mode = "ad-hoc";
3076 else
3077 mode = "infrastructure";
3078
3079 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3080 &mode, error);
3081 }
3082
3083
3084 /**
3085 * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3086 * @iter: Pointer to incoming dbus message iter
3087 * @error: Location to store error on failure
3088 * @user_data: Function specific data
3089 * Returns: TRUE on success, FALSE on failure
3090 *
3091 * Getter for "Level" property.
3092 */
wpas_dbus_getter_bss_signal(DBusMessageIter * iter,DBusError * error,void * user_data)3093 dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
3094 DBusError *error, void *user_data)
3095 {
3096 struct bss_handler_args *args = user_data;
3097 struct wpa_bss *res;
3098 s16 level;
3099
3100 res = get_bss_helper(args, error, __func__);
3101 if (!res)
3102 return FALSE;
3103
3104 level = (s16) res->level;
3105 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3106 &level, error);
3107 }
3108
3109
3110 /**
3111 * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3112 * @iter: Pointer to incoming dbus message iter
3113 * @error: Location to store error on failure
3114 * @user_data: Function specific data
3115 * Returns: TRUE on success, FALSE on failure
3116 *
3117 * Getter for "Frequency" property.
3118 */
wpas_dbus_getter_bss_frequency(DBusMessageIter * iter,DBusError * error,void * user_data)3119 dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
3120 DBusError *error, void *user_data)
3121 {
3122 struct bss_handler_args *args = user_data;
3123 struct wpa_bss *res;
3124 u16 freq;
3125
3126 res = get_bss_helper(args, error, __func__);
3127 if (!res)
3128 return FALSE;
3129
3130 freq = (u16) res->freq;
3131 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3132 &freq, error);
3133 }
3134
3135
cmp_u8s_desc(const void * a,const void * b)3136 static int cmp_u8s_desc(const void *a, const void *b)
3137 {
3138 return (*(u8 *) b - *(u8 *) a);
3139 }
3140
3141
3142 /**
3143 * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3144 * @iter: Pointer to incoming dbus message iter
3145 * @error: Location to store error on failure
3146 * @user_data: Function specific data
3147 * Returns: TRUE on success, FALSE on failure
3148 *
3149 * Getter for "Rates" property.
3150 */
wpas_dbus_getter_bss_rates(DBusMessageIter * iter,DBusError * error,void * user_data)3151 dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
3152 DBusError *error, void *user_data)
3153 {
3154 struct bss_handler_args *args = user_data;
3155 struct wpa_bss *res;
3156 u8 *ie_rates = NULL;
3157 u32 *real_rates;
3158 int rates_num, i;
3159 dbus_bool_t success = FALSE;
3160
3161 res = get_bss_helper(args, error, __func__);
3162 if (!res)
3163 return FALSE;
3164
3165 rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3166 if (rates_num < 0)
3167 return FALSE;
3168
3169 qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3170
3171 real_rates = os_malloc(sizeof(u32) * rates_num);
3172 if (!real_rates) {
3173 os_free(ie_rates);
3174 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3175 return FALSE;
3176 }
3177
3178 for (i = 0; i < rates_num; i++)
3179 real_rates[i] = ie_rates[i] * 500000;
3180
3181 success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3182 real_rates, rates_num,
3183 error);
3184
3185 os_free(ie_rates);
3186 os_free(real_rates);
3187 return success;
3188 }
3189
3190
wpas_dbus_get_bss_security_prop(DBusMessageIter * iter,struct wpa_ie_data * ie_data,DBusError * error)3191 static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
3192 struct wpa_ie_data *ie_data,
3193 DBusError *error)
3194 {
3195 DBusMessageIter iter_dict, variant_iter;
3196 const char *group;
3197 const char *pairwise[3]; /* max 3 pairwise ciphers is supported */
3198 const char *key_mgmt[7]; /* max 7 key managements may be supported */
3199 int n;
3200
3201 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3202 "a{sv}", &variant_iter))
3203 goto nomem;
3204
3205 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3206 goto nomem;
3207
3208 /* KeyMgmt */
3209 n = 0;
3210 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3211 key_mgmt[n++] = "wpa-psk";
3212 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3213 key_mgmt[n++] = "wpa-ft-psk";
3214 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3215 key_mgmt[n++] = "wpa-psk-sha256";
3216 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3217 key_mgmt[n++] = "wpa-eap";
3218 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3219 key_mgmt[n++] = "wpa-ft-eap";
3220 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3221 key_mgmt[n++] = "wpa-eap-sha256";
3222 if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3223 key_mgmt[n++] = "wpa-none";
3224
3225 if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3226 key_mgmt, n))
3227 goto nomem;
3228
3229 /* Group */
3230 switch (ie_data->group_cipher) {
3231 case WPA_CIPHER_WEP40:
3232 group = "wep40";
3233 break;
3234 case WPA_CIPHER_TKIP:
3235 group = "tkip";
3236 break;
3237 case WPA_CIPHER_CCMP:
3238 group = "ccmp";
3239 break;
3240 case WPA_CIPHER_GCMP:
3241 group = "gcmp";
3242 break;
3243 case WPA_CIPHER_WEP104:
3244 group = "wep104";
3245 break;
3246 default:
3247 group = "";
3248 break;
3249 }
3250
3251 if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3252 goto nomem;
3253
3254 /* Pairwise */
3255 n = 0;
3256 if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3257 pairwise[n++] = "tkip";
3258 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3259 pairwise[n++] = "ccmp";
3260 if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3261 pairwise[n++] = "gcmp";
3262
3263 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
3264 pairwise, n))
3265 goto nomem;
3266
3267 /* Management group (RSN only) */
3268 if (ie_data->proto == WPA_PROTO_RSN) {
3269 switch (ie_data->mgmt_group_cipher) {
3270 #ifdef CONFIG_IEEE80211W
3271 case WPA_CIPHER_AES_128_CMAC:
3272 group = "aes128cmac";
3273 break;
3274 #endif /* CONFIG_IEEE80211W */
3275 default:
3276 group = "";
3277 break;
3278 }
3279
3280 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
3281 group))
3282 goto nomem;
3283 }
3284
3285 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3286 goto nomem;
3287 if (!dbus_message_iter_close_container(iter, &variant_iter))
3288 goto nomem;
3289
3290 return TRUE;
3291
3292 nomem:
3293 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3294 return FALSE;
3295 }
3296
3297
3298 /**
3299 * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
3300 * @iter: Pointer to incoming dbus message iter
3301 * @error: Location to store error on failure
3302 * @user_data: Function specific data
3303 * Returns: TRUE on success, FALSE on failure
3304 *
3305 * Getter for "WPA" property.
3306 */
wpas_dbus_getter_bss_wpa(DBusMessageIter * iter,DBusError * error,void * user_data)3307 dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
3308 void *user_data)
3309 {
3310 struct bss_handler_args *args = user_data;
3311 struct wpa_bss *res;
3312 struct wpa_ie_data wpa_data;
3313 const u8 *ie;
3314
3315 res = get_bss_helper(args, error, __func__);
3316 if (!res)
3317 return FALSE;
3318
3319 os_memset(&wpa_data, 0, sizeof(wpa_data));
3320 ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3321 if (ie) {
3322 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3323 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3324 "failed to parse WPA IE");
3325 return FALSE;
3326 }
3327 }
3328
3329 return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3330 }
3331
3332
3333 /**
3334 * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3335 * @iter: Pointer to incoming dbus message iter
3336 * @error: Location to store error on failure
3337 * @user_data: Function specific data
3338 * Returns: TRUE on success, FALSE on failure
3339 *
3340 * Getter for "RSN" property.
3341 */
wpas_dbus_getter_bss_rsn(DBusMessageIter * iter,DBusError * error,void * user_data)3342 dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
3343 void *user_data)
3344 {
3345 struct bss_handler_args *args = user_data;
3346 struct wpa_bss *res;
3347 struct wpa_ie_data wpa_data;
3348 const u8 *ie;
3349
3350 res = get_bss_helper(args, error, __func__);
3351 if (!res)
3352 return FALSE;
3353
3354 os_memset(&wpa_data, 0, sizeof(wpa_data));
3355 ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3356 if (ie) {
3357 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3358 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3359 "failed to parse RSN IE");
3360 return FALSE;
3361 }
3362 }
3363
3364 return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3365 }
3366
3367
3368 /**
3369 * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3370 * @iter: Pointer to incoming dbus message iter
3371 * @error: Location to store error on failure
3372 * @user_data: Function specific data
3373 * Returns: TRUE on success, FALSE on failure
3374 *
3375 * Getter for "IEs" property.
3376 */
wpas_dbus_getter_bss_ies(DBusMessageIter * iter,DBusError * error,void * user_data)3377 dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
3378 void *user_data)
3379 {
3380 struct bss_handler_args *args = user_data;
3381 struct wpa_bss *res;
3382
3383 res = get_bss_helper(args, error, __func__);
3384 if (!res)
3385 return FALSE;
3386
3387 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3388 res + 1, res->ie_len,
3389 error);
3390 }
3391
3392
3393 /**
3394 * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3395 * @iter: Pointer to incoming dbus message iter
3396 * @error: Location to store error on failure
3397 * @user_data: Function specific data
3398 * Returns: TRUE on success, FALSE on failure
3399 *
3400 * Getter for "enabled" property of a configured network.
3401 */
wpas_dbus_getter_enabled(DBusMessageIter * iter,DBusError * error,void * user_data)3402 dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
3403 void *user_data)
3404 {
3405 struct network_handler_args *net = user_data;
3406 dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3407
3408 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3409 &enabled, error);
3410 }
3411
3412
3413 /**
3414 * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3415 * @iter: Pointer to incoming dbus message iter
3416 * @error: Location to store error on failure
3417 * @user_data: Function specific data
3418 * Returns: TRUE on success, FALSE on failure
3419 *
3420 * Setter for "Enabled" property of a configured network.
3421 */
wpas_dbus_setter_enabled(DBusMessageIter * iter,DBusError * error,void * user_data)3422 dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
3423 void *user_data)
3424 {
3425 struct network_handler_args *net = user_data;
3426 struct wpa_supplicant *wpa_s;
3427 struct wpa_ssid *ssid;
3428 dbus_bool_t enable;
3429
3430 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
3431 &enable))
3432 return FALSE;
3433
3434 wpa_s = net->wpa_s;
3435 ssid = net->ssid;
3436
3437 if (enable)
3438 wpa_supplicant_enable_network(wpa_s, ssid);
3439 else
3440 wpa_supplicant_disable_network(wpa_s, ssid);
3441
3442 return TRUE;
3443 }
3444
3445
3446 /**
3447 * wpas_dbus_getter_network_properties - Get options for a configured network
3448 * @iter: Pointer to incoming dbus message iter
3449 * @error: Location to store error on failure
3450 * @user_data: Function specific data
3451 * Returns: TRUE on success, FALSE on failure
3452 *
3453 * Getter for "Properties" property of a configured network.
3454 */
wpas_dbus_getter_network_properties(DBusMessageIter * iter,DBusError * error,void * user_data)3455 dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
3456 DBusError *error,
3457 void *user_data)
3458 {
3459 struct network_handler_args *net = user_data;
3460 DBusMessageIter variant_iter, dict_iter;
3461 char **iterator;
3462 char **props = wpa_config_get_all(net->ssid, 1);
3463 dbus_bool_t success = FALSE;
3464
3465 if (!props) {
3466 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3467 return FALSE;
3468 }
3469
3470 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
3471 &variant_iter) ||
3472 !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3473 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3474 goto out;
3475 }
3476
3477 iterator = props;
3478 while (*iterator) {
3479 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3480 *(iterator + 1))) {
3481 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3482 "no memory");
3483 goto out;
3484 }
3485 iterator += 2;
3486 }
3487
3488
3489 if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3490 !dbus_message_iter_close_container(iter, &variant_iter)) {
3491 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3492 goto out;
3493 }
3494
3495 success = TRUE;
3496
3497 out:
3498 iterator = props;
3499 while (*iterator) {
3500 os_free(*iterator);
3501 iterator++;
3502 }
3503 os_free(props);
3504 return success;
3505 }
3506
3507
3508 /**
3509 * wpas_dbus_setter_network_properties - Set options for a configured network
3510 * @iter: Pointer to incoming dbus message iter
3511 * @error: Location to store error on failure
3512 * @user_data: Function specific data
3513 * Returns: TRUE on success, FALSE on failure
3514 *
3515 * Setter for "Properties" property of a configured network.
3516 */
wpas_dbus_setter_network_properties(DBusMessageIter * iter,DBusError * error,void * user_data)3517 dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
3518 DBusError *error,
3519 void *user_data)
3520 {
3521 struct network_handler_args *net = user_data;
3522 struct wpa_ssid *ssid = net->ssid;
3523 DBusMessageIter variant_iter;
3524
3525 dbus_message_iter_recurse(iter, &variant_iter);
3526 return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
3527 }
3528
3529
3530 #ifdef CONFIG_AP
3531
wpas_dbus_handler_subscribe_preq(DBusMessage * message,struct wpa_supplicant * wpa_s)3532 DBusMessage * wpas_dbus_handler_subscribe_preq(
3533 DBusMessage *message, struct wpa_supplicant *wpa_s)
3534 {
3535 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3536 char *name;
3537
3538 if (wpa_s->preq_notify_peer != NULL) {
3539 if (os_strcmp(dbus_message_get_sender(message),
3540 wpa_s->preq_notify_peer) == 0)
3541 return NULL;
3542
3543 return dbus_message_new_error(message,
3544 WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
3545 "Another application is already subscribed");
3546 }
3547
3548 name = os_strdup(dbus_message_get_sender(message));
3549 if (!name)
3550 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3551 "out of memory");
3552
3553 wpa_s->preq_notify_peer = name;
3554
3555 /* Subscribe to clean up if application closes socket */
3556 wpas_dbus_subscribe_noc(priv);
3557
3558 /*
3559 * Double-check it's still alive to make sure that we didn't
3560 * miss the NameOwnerChanged signal, e.g. while strdup'ing.
3561 */
3562 if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
3563 /*
3564 * Application no longer exists, clean up.
3565 * The return value is irrelevant now.
3566 *
3567 * Need to check if the NameOwnerChanged handling
3568 * already cleaned up because we have processed
3569 * DBus messages while checking if the name still
3570 * has an owner.
3571 */
3572 if (!wpa_s->preq_notify_peer)
3573 return NULL;
3574 os_free(wpa_s->preq_notify_peer);
3575 wpa_s->preq_notify_peer = NULL;
3576 wpas_dbus_unsubscribe_noc(priv);
3577 }
3578
3579 return NULL;
3580 }
3581
3582
wpas_dbus_handler_unsubscribe_preq(DBusMessage * message,struct wpa_supplicant * wpa_s)3583 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
3584 DBusMessage *message, struct wpa_supplicant *wpa_s)
3585 {
3586 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3587
3588 if (!wpa_s->preq_notify_peer)
3589 return dbus_message_new_error(message,
3590 WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
3591 "Not subscribed");
3592
3593 if (os_strcmp(wpa_s->preq_notify_peer,
3594 dbus_message_get_sender(message)))
3595 return dbus_message_new_error(message,
3596 WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
3597 "Can't unsubscribe others");
3598
3599 os_free(wpa_s->preq_notify_peer);
3600 wpa_s->preq_notify_peer = NULL;
3601 wpas_dbus_unsubscribe_noc(priv);
3602 return NULL;
3603 }
3604
3605
wpas_dbus_signal_preq(struct wpa_supplicant * wpa_s,const u8 * addr,const u8 * dst,const u8 * bssid,const u8 * ie,size_t ie_len,u32 ssi_signal)3606 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
3607 const u8 *addr, const u8 *dst, const u8 *bssid,
3608 const u8 *ie, size_t ie_len, u32 ssi_signal)
3609 {
3610 DBusMessage *msg;
3611 DBusMessageIter iter, dict_iter;
3612 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3613
3614 /* Do nothing if the control interface is not turned on */
3615 if (priv == NULL)
3616 return;
3617
3618 if (wpa_s->preq_notify_peer == NULL)
3619 return;
3620
3621 msg = dbus_message_new_signal(wpa_s->dbus_new_path,
3622 WPAS_DBUS_NEW_IFACE_INTERFACE,
3623 "ProbeRequest");
3624 if (msg == NULL)
3625 return;
3626
3627 dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
3628
3629 dbus_message_iter_init_append(msg, &iter);
3630
3631 if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
3632 goto fail;
3633 if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
3634 (const char *) addr,
3635 ETH_ALEN))
3636 goto fail;
3637 if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
3638 (const char *) dst,
3639 ETH_ALEN))
3640 goto fail;
3641 if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
3642 (const char *) bssid,
3643 ETH_ALEN))
3644 goto fail;
3645 if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
3646 (const char *) ie,
3647 ie_len))
3648 goto fail;
3649 if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
3650 ssi_signal))
3651 goto fail;
3652 if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
3653 goto fail;
3654
3655 dbus_connection_send(priv->con, msg, NULL);
3656 goto out;
3657 fail:
3658 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
3659 out:
3660 dbus_message_unref(msg);
3661 }
3662
3663 #endif /* CONFIG_AP */
3664