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