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) 2009-2015, Jouni Malinen <j@w1.fi>
6 *
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
9 */
10
11 #include "includes.h"
12
13 #include "common.h"
14 #include "common/ieee802_11_defs.h"
15 #include "eap_peer/eap_methods.h"
16 #include "eapol_supp/eapol_supp_sm.h"
17 #include "rsn_supp/wpa.h"
18 #include "../config.h"
19 #include "../wpa_supplicant_i.h"
20 #include "../driver_i.h"
21 #include "../notify.h"
22 #include "../bss.h"
23 #include "../scan.h"
24 #include "../autoscan.h"
25 #include "dbus_new_helpers.h"
26 #include "dbus_new.h"
27 #include "dbus_new_handlers.h"
28 #include "dbus_dict_helpers.h"
29 #include "dbus_common_i.h"
30 #include "drivers/driver.h"
31
32 static const char * const debug_strings[] = {
33 "excessive", "msgdump", "debug", "info", "warning", "error", NULL
34 };
35
36
37 /**
38 * wpas_dbus_error_unknown_error - Return a new UnknownError error message
39 * @message: Pointer to incoming dbus message this error refers to
40 * @arg: Optional string appended to error message
41 * Returns: a dbus error message
42 *
43 * Convenience function to create and return an UnknownError
44 */
wpas_dbus_error_unknown_error(DBusMessage * message,const char * arg)45 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
46 const char *arg)
47 {
48 return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
49 arg);
50 }
51
52
53 /**
54 * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
55 * @message: Pointer to incoming dbus message this error refers to
56 * Returns: A dbus error message
57 *
58 * Convenience function to create and return an invalid interface error
59 */
wpas_dbus_error_iface_unknown(DBusMessage * message)60 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
61 {
62 return dbus_message_new_error(
63 message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
64 "wpa_supplicant knows nothing about this interface.");
65 }
66
67
68 /**
69 * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
70 * @message: Pointer to incoming dbus message this error refers to
71 * Returns: a dbus error message
72 *
73 * Convenience function to create and return an invalid network error
74 */
wpas_dbus_error_network_unknown(DBusMessage * message)75 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
76 {
77 return dbus_message_new_error(
78 message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
79 "There is no such a network in this interface.");
80 }
81
82
83 /**
84 * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
85 * @message: Pointer to incoming dbus message this error refers to
86 * Returns: a dbus error message
87 *
88 * Convenience function to create and return an invalid options error
89 */
wpas_dbus_error_invalid_args(DBusMessage * message,const char * arg)90 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
91 const char *arg)
92 {
93 DBusMessage *reply;
94
95 reply = dbus_message_new_error(
96 message, WPAS_DBUS_ERROR_INVALID_ARGS,
97 "Did not receive correct message arguments.");
98 if (arg != NULL)
99 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
100 DBUS_TYPE_INVALID);
101
102 return reply;
103 }
104
105
106 /**
107 * wpas_dbus_error_scan_error - Return a new ScanError error message
108 * @message: Pointer to incoming dbus message this error refers to
109 * @error: Optional string to be used as the error message
110 * Returns: a dbus error message
111 *
112 * Convenience function to create and return a scan error
113 */
wpas_dbus_error_scan_error(DBusMessage * message,const char * error)114 static DBusMessage * wpas_dbus_error_scan_error(DBusMessage *message,
115 const char *error)
116 {
117 return dbus_message_new_error(message,
118 WPAS_DBUS_ERROR_IFACE_SCAN_ERROR,
119 error);
120 }
121
122
wpas_dbus_error_no_memory(DBusMessage * message)123 DBusMessage * wpas_dbus_error_no_memory(DBusMessage *message)
124 {
125 wpa_printf(MSG_DEBUG, "dbus: Failed to allocate memory");
126 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
127 }
128
129
130 static const char * const dont_quote[] = {
131 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
132 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
133 "bssid", "scan_freq", "freq_list", NULL
134 };
135
should_quote_opt(const char * key)136 static dbus_bool_t should_quote_opt(const char *key)
137 {
138 int i = 0;
139
140 while (dont_quote[i] != NULL) {
141 if (os_strcmp(key, dont_quote[i]) == 0)
142 return FALSE;
143 i++;
144 }
145 return TRUE;
146 }
147
148 /**
149 * get_iface_by_dbus_path - Get a new network interface
150 * @global: Pointer to global data from wpa_supplicant_init()
151 * @path: Pointer to a dbus object path representing an interface
152 * Returns: Pointer to the interface or %NULL if not found
153 */
get_iface_by_dbus_path(struct wpa_global * global,const char * path)154 static struct wpa_supplicant * get_iface_by_dbus_path(
155 struct wpa_global *global, const char *path)
156 {
157 struct wpa_supplicant *wpa_s;
158
159 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
160 if (wpa_s->dbus_new_path &&
161 os_strcmp(wpa_s->dbus_new_path, path) == 0)
162 return wpa_s;
163 }
164 return NULL;
165 }
166
167
168 /**
169 * set_network_properties - Set properties of a configured network
170 * @wpa_s: wpa_supplicant structure for a network interface
171 * @ssid: wpa_ssid structure for a configured network
172 * @iter: DBus message iterator containing dictionary of network
173 * properties to set.
174 * @error: On failure, an error describing the failure
175 * Returns: TRUE if the request succeeds, FALSE if it failed
176 *
177 * Sets network configuration with parameters given id DBus dictionary
178 */
set_network_properties(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,DBusMessageIter * iter,DBusError * error)179 dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
180 struct wpa_ssid *ssid,
181 DBusMessageIter *iter,
182 DBusError *error)
183 {
184 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
185 DBusMessageIter iter_dict;
186 char *value = NULL;
187
188 if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
189 return FALSE;
190
191 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
192 size_t size = 50;
193 int ret;
194
195 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
196 goto error;
197
198 value = NULL;
199 if (entry.type == DBUS_TYPE_ARRAY &&
200 entry.array_type == DBUS_TYPE_BYTE) {
201 if (entry.array_len <= 0)
202 goto error;
203
204 size = entry.array_len * 2 + 1;
205 value = os_zalloc(size);
206 if (value == NULL)
207 goto error;
208
209 ret = wpa_snprintf_hex(value, size,
210 (u8 *) entry.bytearray_value,
211 entry.array_len);
212 if (ret <= 0)
213 goto error;
214 } else if (entry.type == DBUS_TYPE_STRING) {
215 if (should_quote_opt(entry.key)) {
216 size = os_strlen(entry.str_value);
217 if (size == 0)
218 goto error;
219
220 size += 3;
221 value = os_zalloc(size);
222 if (value == NULL)
223 goto error;
224
225 ret = os_snprintf(value, size, "\"%s\"",
226 entry.str_value);
227 if (os_snprintf_error(size, ret))
228 goto error;
229 } else {
230 value = os_strdup(entry.str_value);
231 if (value == NULL)
232 goto error;
233 }
234 } else if (entry.type == DBUS_TYPE_UINT32) {
235 value = os_zalloc(size);
236 if (value == NULL)
237 goto error;
238
239 ret = os_snprintf(value, size, "%u",
240 entry.uint32_value);
241 if (os_snprintf_error(size, ret))
242 goto error;
243 } else if (entry.type == DBUS_TYPE_INT32) {
244 value = os_zalloc(size);
245 if (value == NULL)
246 goto error;
247
248 ret = os_snprintf(value, size, "%d",
249 entry.int32_value);
250 if (os_snprintf_error(size, ret))
251 goto error;
252 } else
253 goto error;
254
255 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
256 goto error;
257
258 if (os_strcmp(entry.key, "bssid") != 0 &&
259 os_strcmp(entry.key, "priority") != 0)
260 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
261
262 if (wpa_s->current_ssid == ssid ||
263 wpa_s->current_ssid == NULL) {
264 /*
265 * Invalidate the EAP session cache if anything in the
266 * current or previously used configuration changes.
267 */
268 eapol_sm_invalidate_cached_session(wpa_s->eapol);
269 }
270
271 if ((os_strcmp(entry.key, "psk") == 0 &&
272 value[0] == '"' && ssid->ssid_len) ||
273 (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
274 wpa_config_update_psk(ssid);
275 else if (os_strcmp(entry.key, "priority") == 0)
276 wpa_config_update_prio_list(wpa_s->conf);
277
278 os_free(value);
279 value = NULL;
280 wpa_dbus_dict_entry_clear(&entry);
281 }
282
283 return TRUE;
284
285 error:
286 os_free(value);
287 wpa_dbus_dict_entry_clear(&entry);
288 dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
289 "invalid message format");
290 return FALSE;
291 }
292
293
294 /**
295 * wpas_dbus_simple_property_getter - Get basic type property
296 * @iter: Message iter to use when appending arguments
297 * @type: DBus type of property (must be basic type)
298 * @val: pointer to place holding property value
299 * @error: On failure an error describing the failure
300 * Returns: TRUE if the request was successful, FALSE if it failed
301 *
302 * Generic getter for basic type properties. Type is required to be basic.
303 */
wpas_dbus_simple_property_getter(DBusMessageIter * iter,const int type,const void * val,DBusError * error)304 dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
305 const int type,
306 const void *val,
307 DBusError *error)
308 {
309 DBusMessageIter variant_iter;
310
311 if (!dbus_type_is_basic(type)) {
312 dbus_set_error(error, DBUS_ERROR_FAILED,
313 "%s: given type is not basic", __func__);
314 return FALSE;
315 }
316
317 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
318 wpa_dbus_type_as_string(type),
319 &variant_iter) ||
320 !dbus_message_iter_append_basic(&variant_iter, type, val) ||
321 !dbus_message_iter_close_container(iter, &variant_iter)) {
322 dbus_set_error(error, DBUS_ERROR_FAILED,
323 "%s: error constructing reply", __func__);
324 return FALSE;
325 }
326
327 return TRUE;
328 }
329
330
331 /**
332 * wpas_dbus_simple_property_setter - Set basic type property
333 * @message: Pointer to incoming dbus message
334 * @type: DBus type of property (must be basic type)
335 * @val: pointer to place where value being set will be stored
336 * Returns: TRUE if the request was successful, FALSE if it failed
337 *
338 * Generic setter for basic type properties. Type is required to be basic.
339 */
wpas_dbus_simple_property_setter(DBusMessageIter * iter,DBusError * error,const int type,void * val)340 dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
341 DBusError *error,
342 const int type, void *val)
343 {
344 DBusMessageIter variant_iter;
345
346 if (!dbus_type_is_basic(type)) {
347 dbus_set_error(error, DBUS_ERROR_FAILED,
348 "%s: given type is not basic", __func__);
349 return FALSE;
350 }
351
352 /* Look at the new value */
353 dbus_message_iter_recurse(iter, &variant_iter);
354 if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
355 dbus_set_error_const(error, DBUS_ERROR_FAILED,
356 "wrong property type");
357 return FALSE;
358 }
359 dbus_message_iter_get_basic(&variant_iter, val);
360
361 return TRUE;
362 }
363
364
365 /**
366 * wpas_dbus_simple_array_property_getter - Get array type property
367 * @iter: Pointer to incoming dbus message iterator
368 * @type: DBus type of property array elements (must be basic type)
369 * @array: pointer to array of elements to put into response message
370 * @array_len: length of above array
371 * @error: a pointer to an error to fill on failure
372 * Returns: TRUE if the request succeeded, FALSE if it failed
373 *
374 * Generic getter for array type properties. Array elements type is
375 * required to be basic.
376 */
wpas_dbus_simple_array_property_getter(DBusMessageIter * iter,const int type,const void * array,size_t array_len,DBusError * error)377 dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
378 const int type,
379 const void *array,
380 size_t array_len,
381 DBusError *error)
382 {
383 DBusMessageIter variant_iter, array_iter;
384 char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
385 const char *sub_type_str;
386 size_t element_size, i;
387
388 if (!dbus_type_is_basic(type)) {
389 dbus_set_error(error, DBUS_ERROR_FAILED,
390 "%s: given type is not basic", __func__);
391 return FALSE;
392 }
393
394 sub_type_str = wpa_dbus_type_as_string(type);
395 type_str[1] = sub_type_str[0];
396
397 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
398 type_str, &variant_iter) ||
399 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
400 sub_type_str, &array_iter)) {
401 dbus_set_error(error, DBUS_ERROR_FAILED,
402 "%s: failed to construct message", __func__);
403 return FALSE;
404 }
405
406 switch (type) {
407 case DBUS_TYPE_BYTE:
408 case DBUS_TYPE_BOOLEAN:
409 element_size = 1;
410 break;
411 case DBUS_TYPE_INT16:
412 case DBUS_TYPE_UINT16:
413 element_size = sizeof(uint16_t);
414 break;
415 case DBUS_TYPE_INT32:
416 case DBUS_TYPE_UINT32:
417 element_size = sizeof(uint32_t);
418 break;
419 case DBUS_TYPE_INT64:
420 case DBUS_TYPE_UINT64:
421 element_size = sizeof(uint64_t);
422 break;
423 case DBUS_TYPE_DOUBLE:
424 element_size = sizeof(double);
425 break;
426 case DBUS_TYPE_STRING:
427 case DBUS_TYPE_OBJECT_PATH:
428 element_size = sizeof(char *);
429 break;
430 default:
431 dbus_set_error(error, DBUS_ERROR_FAILED,
432 "%s: unknown element type %d", __func__, type);
433 return FALSE;
434 }
435
436 for (i = 0; i < array_len; i++) {
437 if (!dbus_message_iter_append_basic(&array_iter, type,
438 (const char *) array +
439 i * element_size)) {
440 dbus_set_error(error, DBUS_ERROR_FAILED,
441 "%s: failed to construct message 2.5",
442 __func__);
443 return FALSE;
444 }
445 }
446
447 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
448 !dbus_message_iter_close_container(iter, &variant_iter)) {
449 dbus_set_error(error, DBUS_ERROR_FAILED,
450 "%s: failed to construct message 3", __func__);
451 return FALSE;
452 }
453
454 return TRUE;
455 }
456
457
458 /**
459 * wpas_dbus_simple_array_array_property_getter - Get array array type property
460 * @iter: Pointer to incoming dbus message iterator
461 * @type: DBus type of property array elements (must be basic type)
462 * @array: pointer to array of elements to put into response message
463 * @array_len: length of above array
464 * @error: a pointer to an error to fill on failure
465 * Returns: TRUE if the request succeeded, FALSE if it failed
466 *
467 * Generic getter for array type properties. Array elements type is
468 * required to be basic.
469 */
wpas_dbus_simple_array_array_property_getter(DBusMessageIter * iter,const int type,struct wpabuf ** array,size_t array_len,DBusError * error)470 dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
471 const int type,
472 struct wpabuf **array,
473 size_t array_len,
474 DBusError *error)
475 {
476 DBusMessageIter variant_iter, array_iter;
477 char type_str[] = "aa?";
478 char inner_type_str[] = "a?";
479 const char *sub_type_str;
480 size_t i;
481
482 if (!dbus_type_is_basic(type)) {
483 dbus_set_error(error, DBUS_ERROR_FAILED,
484 "%s: given type is not basic", __func__);
485 return FALSE;
486 }
487
488 sub_type_str = wpa_dbus_type_as_string(type);
489 type_str[2] = sub_type_str[0];
490 inner_type_str[1] = sub_type_str[0];
491
492 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
493 type_str, &variant_iter) ||
494 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
495 inner_type_str, &array_iter)) {
496 dbus_set_error(error, DBUS_ERROR_FAILED,
497 "%s: failed to construct message", __func__);
498 return FALSE;
499 }
500
501 for (i = 0; i < array_len && array[i]; i++) {
502 wpa_dbus_dict_bin_array_add_element(&array_iter,
503 wpabuf_head(array[i]),
504 wpabuf_len(array[i]));
505
506 }
507
508 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
509 !dbus_message_iter_close_container(iter, &variant_iter)) {
510 dbus_set_error(error, DBUS_ERROR_FAILED,
511 "%s: failed to close message", __func__);
512 return FALSE;
513 }
514
515 return TRUE;
516 }
517
518
519 /**
520 * wpas_dbus_string_property_getter - Get string type property
521 * @iter: Message iter to use when appending arguments
522 * @val: Pointer to place holding property value, can be %NULL
523 * @error: On failure an error describing the failure
524 * Returns: TRUE if the request was successful, FALSE if it failed
525 *
526 * Generic getter for string type properties. %NULL is converted to an empty
527 * string.
528 */
wpas_dbus_string_property_getter(DBusMessageIter * iter,const void * val,DBusError * error)529 dbus_bool_t wpas_dbus_string_property_getter(DBusMessageIter *iter,
530 const void *val,
531 DBusError *error)
532 {
533 if (!val)
534 val = "";
535 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
536 &val, error);
537 }
538
539
540 /**
541 * wpas_dbus_handler_create_interface - Request registration of a network iface
542 * @message: Pointer to incoming dbus message
543 * @global: %wpa_supplicant global data structure
544 * Returns: The object path of the new interface object,
545 * or a dbus error message with more information
546 *
547 * Handler function for "CreateInterface" method call. Handles requests
548 * by dbus clients to register a network interface that wpa_supplicant
549 * will manage.
550 */
wpas_dbus_handler_create_interface(DBusMessage * message,struct wpa_global * global)551 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
552 struct wpa_global *global)
553 {
554 DBusMessageIter iter_dict;
555 DBusMessage *reply = NULL;
556 DBusMessageIter iter;
557 struct wpa_dbus_dict_entry entry;
558 char *driver = NULL;
559 char *ifname = NULL;
560 char *confname = NULL;
561 char *bridge_ifname = NULL;
562
563 dbus_message_iter_init(message, &iter);
564
565 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
566 goto error;
567 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
568 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
569 goto error;
570 if (os_strcmp(entry.key, "Driver") == 0 &&
571 entry.type == DBUS_TYPE_STRING) {
572 os_free(driver);
573 driver = os_strdup(entry.str_value);
574 wpa_dbus_dict_entry_clear(&entry);
575 if (driver == NULL)
576 goto oom;
577 } else if (os_strcmp(entry.key, "Ifname") == 0 &&
578 entry.type == DBUS_TYPE_STRING) {
579 os_free(ifname);
580 ifname = os_strdup(entry.str_value);
581 wpa_dbus_dict_entry_clear(&entry);
582 if (ifname == NULL)
583 goto oom;
584 } else if (os_strcmp(entry.key, "ConfigFile") == 0 &&
585 entry.type == DBUS_TYPE_STRING) {
586 os_free(confname);
587 confname = os_strdup(entry.str_value);
588 wpa_dbus_dict_entry_clear(&entry);
589 if (confname == NULL)
590 goto oom;
591 } else if (os_strcmp(entry.key, "BridgeIfname") == 0 &&
592 entry.type == DBUS_TYPE_STRING) {
593 os_free(bridge_ifname);
594 bridge_ifname = os_strdup(entry.str_value);
595 wpa_dbus_dict_entry_clear(&entry);
596 if (bridge_ifname == NULL)
597 goto oom;
598 } else {
599 wpa_dbus_dict_entry_clear(&entry);
600 goto error;
601 }
602 }
603
604 if (ifname == NULL)
605 goto error; /* Required Ifname argument missing */
606
607 /*
608 * Try to get the wpa_supplicant record for this iface, return
609 * an error if we already control it.
610 */
611 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
612 reply = dbus_message_new_error(
613 message, WPAS_DBUS_ERROR_IFACE_EXISTS,
614 "wpa_supplicant already controls this interface.");
615 } else {
616 struct wpa_supplicant *wpa_s;
617 struct wpa_interface iface;
618
619 os_memset(&iface, 0, sizeof(iface));
620 iface.driver = driver;
621 iface.ifname = ifname;
622 iface.confname = confname;
623 iface.bridge_ifname = bridge_ifname;
624 /* Otherwise, have wpa_supplicant attach to it. */
625 wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
626 if (wpa_s && wpa_s->dbus_new_path) {
627 const char *path = wpa_s->dbus_new_path;
628
629 reply = dbus_message_new_method_return(message);
630 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
631 &path, DBUS_TYPE_INVALID);
632 } else {
633 reply = wpas_dbus_error_unknown_error(
634 message,
635 "wpa_supplicant couldn't grab this interface.");
636 }
637 }
638
639 out:
640 os_free(driver);
641 os_free(ifname);
642 os_free(confname);
643 os_free(bridge_ifname);
644 return reply;
645
646 error:
647 reply = wpas_dbus_error_invalid_args(message, NULL);
648 goto out;
649 oom:
650 reply = wpas_dbus_error_no_memory(message);
651 goto out;
652 }
653
654
655 /**
656 * wpas_dbus_handler_remove_interface - Request deregistration of an interface
657 * @message: Pointer to incoming dbus message
658 * @global: wpa_supplicant global data structure
659 * Returns: a dbus message containing a UINT32 indicating success (1) or
660 * failure (0), or returns a dbus error message with more information
661 *
662 * Handler function for "removeInterface" method call. Handles requests
663 * by dbus clients to deregister a network interface that wpa_supplicant
664 * currently manages.
665 */
wpas_dbus_handler_remove_interface(DBusMessage * message,struct wpa_global * global)666 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
667 struct wpa_global *global)
668 {
669 struct wpa_supplicant *wpa_s;
670 char *path;
671 DBusMessage *reply = NULL;
672
673 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
674 DBUS_TYPE_INVALID);
675
676 wpa_s = get_iface_by_dbus_path(global, path);
677 if (wpa_s == NULL)
678 reply = wpas_dbus_error_iface_unknown(message);
679 else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
680 reply = wpas_dbus_error_unknown_error(
681 message,
682 "wpa_supplicant couldn't remove this interface.");
683 }
684
685 return reply;
686 }
687
688
689 /**
690 * wpas_dbus_handler_get_interface - Get the object path for an interface name
691 * @message: Pointer to incoming dbus message
692 * @global: %wpa_supplicant global data structure
693 * Returns: The object path of the interface object,
694 * or a dbus error message with more information
695 *
696 * Handler function for "getInterface" method call.
697 */
wpas_dbus_handler_get_interface(DBusMessage * message,struct wpa_global * global)698 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
699 struct wpa_global *global)
700 {
701 DBusMessage *reply = NULL;
702 const char *ifname;
703 const char *path;
704 struct wpa_supplicant *wpa_s;
705
706 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
707 DBUS_TYPE_INVALID);
708
709 wpa_s = wpa_supplicant_get_iface(global, ifname);
710 if (wpa_s == NULL || wpa_s->dbus_new_path == NULL)
711 return wpas_dbus_error_iface_unknown(message);
712
713 path = wpa_s->dbus_new_path;
714 reply = dbus_message_new_method_return(message);
715 if (reply == NULL)
716 return wpas_dbus_error_no_memory(message);
717 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
718 DBUS_TYPE_INVALID)) {
719 dbus_message_unref(reply);
720 return wpas_dbus_error_no_memory(message);
721 }
722
723 return reply;
724 }
725
726
727 /**
728 * wpas_dbus_getter_debug_level - Get debug level
729 * @iter: Pointer to incoming dbus message iter
730 * @error: Location to store error on failure
731 * @user_data: Function specific data
732 * Returns: TRUE on success, FALSE on failure
733 *
734 * Getter for "DebugLevel" property.
735 */
wpas_dbus_getter_debug_level(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)736 dbus_bool_t wpas_dbus_getter_debug_level(
737 const struct wpa_dbus_property_desc *property_desc,
738 DBusMessageIter *iter, DBusError *error, void *user_data)
739 {
740 const char *str;
741 int idx = wpa_debug_level;
742
743 if (idx < 0)
744 idx = 0;
745 if (idx > 5)
746 idx = 5;
747 str = debug_strings[idx];
748 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
749 &str, error);
750 }
751
752
753 /**
754 * wpas_dbus_getter_debug_timestamp - Get debug timestamp
755 * @iter: Pointer to incoming dbus message iter
756 * @error: Location to store error on failure
757 * @user_data: Function specific data
758 * Returns: TRUE on success, FALSE on failure
759 *
760 * Getter for "DebugTimestamp" property.
761 */
wpas_dbus_getter_debug_timestamp(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)762 dbus_bool_t wpas_dbus_getter_debug_timestamp(
763 const struct wpa_dbus_property_desc *property_desc,
764 DBusMessageIter *iter, DBusError *error, void *user_data)
765 {
766 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
767 &wpa_debug_timestamp, error);
768
769 }
770
771
772 /**
773 * wpas_dbus_getter_debug_show_keys - Get debug show keys
774 * @iter: Pointer to incoming dbus message iter
775 * @error: Location to store error on failure
776 * @user_data: Function specific data
777 * Returns: TRUE on success, FALSE on failure
778 *
779 * Getter for "DebugShowKeys" property.
780 */
wpas_dbus_getter_debug_show_keys(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)781 dbus_bool_t wpas_dbus_getter_debug_show_keys(
782 const struct wpa_dbus_property_desc *property_desc,
783 DBusMessageIter *iter, DBusError *error, void *user_data)
784 {
785 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
786 &wpa_debug_show_keys, error);
787
788 }
789
790 /**
791 * wpas_dbus_setter_debug_level - Set debug level
792 * @iter: Pointer to incoming dbus message iter
793 * @error: Location to store error on failure
794 * @user_data: Function specific data
795 * Returns: TRUE on success, FALSE on failure
796 *
797 * Setter for "DebugLevel" property.
798 */
wpas_dbus_setter_debug_level(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)799 dbus_bool_t wpas_dbus_setter_debug_level(
800 const struct wpa_dbus_property_desc *property_desc,
801 DBusMessageIter *iter, DBusError *error, void *user_data)
802 {
803 struct wpa_global *global = user_data;
804 const char *str = NULL;
805 int i, val = -1;
806
807 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
808 &str))
809 return FALSE;
810
811 for (i = 0; debug_strings[i]; i++)
812 if (os_strcmp(debug_strings[i], str) == 0) {
813 val = i;
814 break;
815 }
816
817 if (val < 0 ||
818 wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
819 wpa_debug_show_keys)) {
820 dbus_set_error_const(error, DBUS_ERROR_FAILED,
821 "wrong debug level value");
822 return FALSE;
823 }
824
825 return TRUE;
826 }
827
828
829 /**
830 * wpas_dbus_setter_debug_timestamp - Set debug timestamp
831 * @iter: Pointer to incoming dbus message iter
832 * @error: Location to store error on failure
833 * @user_data: Function specific data
834 * Returns: TRUE on success, FALSE on failure
835 *
836 * Setter for "DebugTimestamp" property.
837 */
wpas_dbus_setter_debug_timestamp(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)838 dbus_bool_t wpas_dbus_setter_debug_timestamp(
839 const struct wpa_dbus_property_desc *property_desc,
840 DBusMessageIter *iter, DBusError *error, void *user_data)
841 {
842 struct wpa_global *global = user_data;
843 dbus_bool_t val;
844
845 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
846 &val))
847 return FALSE;
848
849 wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
850 wpa_debug_show_keys);
851 return TRUE;
852 }
853
854
855 /**
856 * wpas_dbus_setter_debug_show_keys - Set debug show keys
857 * @iter: Pointer to incoming dbus message iter
858 * @error: Location to store error on failure
859 * @user_data: Function specific data
860 * Returns: TRUE on success, FALSE on failure
861 *
862 * Setter for "DebugShowKeys" property.
863 */
wpas_dbus_setter_debug_show_keys(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)864 dbus_bool_t wpas_dbus_setter_debug_show_keys(
865 const struct wpa_dbus_property_desc *property_desc,
866 DBusMessageIter *iter, DBusError *error, void *user_data)
867 {
868 struct wpa_global *global = user_data;
869 dbus_bool_t val;
870
871 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
872 &val))
873 return FALSE;
874
875 wpa_supplicant_set_debug_params(global, wpa_debug_level,
876 wpa_debug_timestamp,
877 val ? 1 : 0);
878 return TRUE;
879 }
880
881
882 /**
883 * wpas_dbus_getter_interfaces - Request registered interfaces list
884 * @iter: Pointer to incoming dbus message iter
885 * @error: Location to store error on failure
886 * @user_data: Function specific data
887 * Returns: TRUE on success, FALSE on failure
888 *
889 * Getter for "Interfaces" property. Handles requests
890 * by dbus clients to return list of registered interfaces objects
891 * paths
892 */
wpas_dbus_getter_interfaces(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)893 dbus_bool_t wpas_dbus_getter_interfaces(
894 const struct wpa_dbus_property_desc *property_desc,
895 DBusMessageIter *iter, DBusError *error, void *user_data)
896 {
897 struct wpa_global *global = user_data;
898 struct wpa_supplicant *wpa_s;
899 const char **paths;
900 unsigned int i = 0, num = 0;
901 dbus_bool_t success;
902
903 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
904 if (wpa_s->dbus_new_path)
905 num++;
906 }
907
908 paths = os_calloc(num, sizeof(char *));
909 if (!paths) {
910 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
911 return FALSE;
912 }
913
914 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
915 if (wpa_s->dbus_new_path)
916 paths[i++] = wpa_s->dbus_new_path;
917 }
918
919 success = wpas_dbus_simple_array_property_getter(iter,
920 DBUS_TYPE_OBJECT_PATH,
921 paths, num, error);
922
923 os_free(paths);
924 return success;
925 }
926
927
928 /**
929 * wpas_dbus_getter_eap_methods - Request supported EAP methods list
930 * @iter: Pointer to incoming dbus message iter
931 * @error: Location to store error on failure
932 * @user_data: Function specific data
933 * Returns: TRUE on success, FALSE on failure
934 *
935 * Getter for "EapMethods" property. Handles requests
936 * by dbus clients to return list of strings with supported EAP methods
937 */
wpas_dbus_getter_eap_methods(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)938 dbus_bool_t wpas_dbus_getter_eap_methods(
939 const struct wpa_dbus_property_desc *property_desc,
940 DBusMessageIter *iter, DBusError *error, void *user_data)
941 {
942 char **eap_methods;
943 size_t num_items = 0;
944 dbus_bool_t success;
945
946 eap_methods = eap_get_names_as_string_array(&num_items);
947 if (!eap_methods) {
948 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
949 return FALSE;
950 }
951
952 success = wpas_dbus_simple_array_property_getter(iter,
953 DBUS_TYPE_STRING,
954 eap_methods,
955 num_items, error);
956
957 while (num_items)
958 os_free(eap_methods[--num_items]);
959 os_free(eap_methods);
960 return success;
961 }
962
963
964 /**
965 * wpas_dbus_getter_global_capabilities - Request supported global capabilities
966 * @iter: Pointer to incoming dbus message iter
967 * @error: Location to store error on failure
968 * @user_data: Function specific data
969 * Returns: TRUE on success, FALSE on failure
970 *
971 * Getter for "Capabilities" property. Handles requests by dbus clients to
972 * return a list of strings with supported capabilities like AP, RSN IBSS,
973 * and P2P that are determined at compile time.
974 */
wpas_dbus_getter_global_capabilities(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)975 dbus_bool_t wpas_dbus_getter_global_capabilities(
976 const struct wpa_dbus_property_desc *property_desc,
977 DBusMessageIter *iter, DBusError *error, void *user_data)
978 {
979 const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
980 size_t num_items = 0;
981
982 #ifdef CONFIG_AP
983 capabilities[num_items++] = "ap";
984 #endif /* CONFIG_AP */
985 #ifdef CONFIG_IBSS_RSN
986 capabilities[num_items++] = "ibss-rsn";
987 #endif /* CONFIG_IBSS_RSN */
988 #ifdef CONFIG_P2P
989 capabilities[num_items++] = "p2p";
990 #endif /* CONFIG_P2P */
991 #ifdef CONFIG_INTERWORKING
992 capabilities[num_items++] = "interworking";
993 #endif /* CONFIG_INTERWORKING */
994 #ifdef CONFIG_IEEE80211W
995 capabilities[num_items++] = "pmf";
996 #endif /* CONFIG_IEEE80211W */
997
998 return wpas_dbus_simple_array_property_getter(iter,
999 DBUS_TYPE_STRING,
1000 capabilities,
1001 num_items, error);
1002 }
1003
1004
wpas_dbus_get_scan_type(DBusMessage * message,DBusMessageIter * var,char ** type,DBusMessage ** reply)1005 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
1006 char **type, DBusMessage **reply)
1007 {
1008 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
1009 wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a string",
1010 __func__);
1011 *reply = wpas_dbus_error_invalid_args(
1012 message, "Wrong Type value type. String required");
1013 return -1;
1014 }
1015 dbus_message_iter_get_basic(var, type);
1016 return 0;
1017 }
1018
1019
wpas_dbus_get_scan_ssids(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)1020 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
1021 struct wpa_driver_scan_params *params,
1022 DBusMessage **reply)
1023 {
1024 struct wpa_driver_scan_ssid *ssids = params->ssids;
1025 size_t ssids_num = 0;
1026 u8 *ssid;
1027 DBusMessageIter array_iter, sub_array_iter;
1028 char *val;
1029 int len;
1030
1031 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1032 wpa_printf(MSG_DEBUG,
1033 "%s[dbus]: ssids must be an array of arrays of bytes",
1034 __func__);
1035 *reply = wpas_dbus_error_invalid_args(
1036 message,
1037 "Wrong SSIDs value type. Array of arrays of bytes required");
1038 return -1;
1039 }
1040
1041 dbus_message_iter_recurse(var, &array_iter);
1042
1043 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1044 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
1045 wpa_printf(MSG_DEBUG,
1046 "%s[dbus]: ssids must be an array of arrays of bytes",
1047 __func__);
1048 *reply = wpas_dbus_error_invalid_args(
1049 message,
1050 "Wrong SSIDs value type. Array of arrays of bytes required");
1051 return -1;
1052 }
1053
1054 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
1055 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
1056 wpa_printf(MSG_DEBUG,
1057 "%s[dbus]: Too many ssids specified on scan dbus call",
1058 __func__);
1059 *reply = wpas_dbus_error_invalid_args(
1060 message,
1061 "Too many ssids specified. Specify at most four");
1062 return -1;
1063 }
1064
1065 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1066
1067 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1068
1069 if (len > SSID_MAX_LEN) {
1070 wpa_printf(MSG_DEBUG,
1071 "%s[dbus]: SSID too long (len=%d max_len=%d)",
1072 __func__, len, SSID_MAX_LEN);
1073 *reply = wpas_dbus_error_invalid_args(
1074 message, "Invalid SSID: too long");
1075 return -1;
1076 }
1077
1078 if (len != 0) {
1079 ssid = os_malloc(len);
1080 if (ssid == NULL) {
1081 *reply = wpas_dbus_error_no_memory(message);
1082 return -1;
1083 }
1084 os_memcpy(ssid, val, len);
1085 } else {
1086 /* Allow zero-length SSIDs */
1087 ssid = NULL;
1088 }
1089
1090 ssids[ssids_num].ssid = ssid;
1091 ssids[ssids_num].ssid_len = len;
1092
1093 dbus_message_iter_next(&array_iter);
1094 ssids_num++;
1095 }
1096
1097 params->num_ssids = ssids_num;
1098 return 0;
1099 }
1100
1101
wpas_dbus_get_scan_ies(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)1102 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1103 struct wpa_driver_scan_params *params,
1104 DBusMessage **reply)
1105 {
1106 u8 *ies = NULL, *nies;
1107 int ies_len = 0;
1108 DBusMessageIter array_iter, sub_array_iter;
1109 char *val;
1110 int len;
1111
1112 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1113 wpa_printf(MSG_DEBUG,
1114 "%s[dbus]: ies must be an array of arrays of bytes",
1115 __func__);
1116 *reply = wpas_dbus_error_invalid_args(
1117 message,
1118 "Wrong IEs value type. Array of arrays of bytes required");
1119 return -1;
1120 }
1121
1122 dbus_message_iter_recurse(var, &array_iter);
1123
1124 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1125 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE) {
1126 wpa_printf(MSG_DEBUG,
1127 "%s[dbus]: ies must be an array of arrays of bytes",
1128 __func__);
1129 *reply = wpas_dbus_error_invalid_args(
1130 message, "Wrong IEs value type. Array required");
1131 return -1;
1132 }
1133
1134 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY) {
1135 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1136
1137 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1138 if (len == 0) {
1139 dbus_message_iter_next(&array_iter);
1140 continue;
1141 }
1142
1143 nies = os_realloc(ies, ies_len + len);
1144 if (nies == NULL) {
1145 os_free(ies);
1146 *reply = wpas_dbus_error_no_memory(message);
1147 return -1;
1148 }
1149 ies = nies;
1150 os_memcpy(ies + ies_len, val, len);
1151 ies_len += len;
1152
1153 dbus_message_iter_next(&array_iter);
1154 }
1155
1156 params->extra_ies = ies;
1157 params->extra_ies_len = ies_len;
1158 return 0;
1159 }
1160
1161
wpas_dbus_get_scan_channels(DBusMessage * message,DBusMessageIter * var,struct wpa_driver_scan_params * params,DBusMessage ** reply)1162 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1163 DBusMessageIter *var,
1164 struct wpa_driver_scan_params *params,
1165 DBusMessage **reply)
1166 {
1167 DBusMessageIter array_iter, sub_array_iter;
1168 int *freqs = NULL, *nfreqs;
1169 int freqs_num = 0;
1170
1171 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1172 wpa_printf(MSG_DEBUG,
1173 "%s[dbus]: Channels must be an array of structs",
1174 __func__);
1175 *reply = wpas_dbus_error_invalid_args(
1176 message,
1177 "Wrong Channels value type. Array of structs required");
1178 return -1;
1179 }
1180
1181 dbus_message_iter_recurse(var, &array_iter);
1182
1183 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1184 wpa_printf(MSG_DEBUG,
1185 "%s[dbus]: Channels must be an array of structs",
1186 __func__);
1187 *reply = wpas_dbus_error_invalid_args(
1188 message,
1189 "Wrong Channels value type. Array of structs required");
1190 return -1;
1191 }
1192
1193 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1194 {
1195 int freq, width;
1196
1197 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1198
1199 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1200 DBUS_TYPE_UINT32) {
1201 wpa_printf(MSG_DEBUG,
1202 "%s[dbus]: Channel must by specified by struct of two UINT32s %c",
1203 __func__,
1204 dbus_message_iter_get_arg_type(
1205 &sub_array_iter));
1206 *reply = wpas_dbus_error_invalid_args(
1207 message,
1208 "Wrong Channel struct. Two UINT32s required");
1209 os_free(freqs);
1210 return -1;
1211 }
1212 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1213
1214 if (!dbus_message_iter_next(&sub_array_iter) ||
1215 dbus_message_iter_get_arg_type(&sub_array_iter) !=
1216 DBUS_TYPE_UINT32) {
1217 wpa_printf(MSG_DEBUG,
1218 "%s[dbus]: Channel must by specified by struct of two UINT32s",
1219 __func__);
1220 *reply = wpas_dbus_error_invalid_args(
1221 message,
1222 "Wrong Channel struct. Two UINT32s required");
1223 os_free(freqs);
1224 return -1;
1225 }
1226
1227 dbus_message_iter_get_basic(&sub_array_iter, &width);
1228
1229 #define FREQS_ALLOC_CHUNK 32
1230 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1231 nfreqs = os_realloc_array(
1232 freqs, freqs_num + FREQS_ALLOC_CHUNK,
1233 sizeof(int));
1234 if (nfreqs == NULL)
1235 os_free(freqs);
1236 freqs = nfreqs;
1237 }
1238 if (freqs == NULL) {
1239 *reply = wpas_dbus_error_no_memory(message);
1240 return -1;
1241 }
1242
1243 freqs[freqs_num] = freq;
1244
1245 freqs_num++;
1246 dbus_message_iter_next(&array_iter);
1247 }
1248
1249 nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
1250 if (nfreqs == NULL)
1251 os_free(freqs);
1252 freqs = nfreqs;
1253 if (freqs == NULL) {
1254 *reply = wpas_dbus_error_no_memory(message);
1255 return -1;
1256 }
1257 freqs[freqs_num] = 0;
1258
1259 params->freqs = freqs;
1260 return 0;
1261 }
1262
1263
wpas_dbus_get_scan_allow_roam(DBusMessage * message,DBusMessageIter * var,dbus_bool_t * allow,DBusMessage ** reply)1264 static int wpas_dbus_get_scan_allow_roam(DBusMessage *message,
1265 DBusMessageIter *var,
1266 dbus_bool_t *allow,
1267 DBusMessage **reply)
1268 {
1269 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_BOOLEAN) {
1270 wpa_printf(MSG_DEBUG, "%s[dbus]: Type must be a boolean",
1271 __func__);
1272 *reply = wpas_dbus_error_invalid_args(
1273 message, "Wrong Type value type. Boolean required");
1274 return -1;
1275 }
1276 dbus_message_iter_get_basic(var, allow);
1277 return 0;
1278 }
1279
1280
1281 /**
1282 * wpas_dbus_handler_scan - Request a wireless scan on an interface
1283 * @message: Pointer to incoming dbus message
1284 * @wpa_s: wpa_supplicant structure for a network interface
1285 * Returns: NULL indicating success or DBus error message on failure
1286 *
1287 * Handler function for "Scan" method call of a network device. Requests
1288 * that wpa_supplicant perform a wireless scan as soon as possible
1289 * on a particular wireless interface.
1290 */
wpas_dbus_handler_scan(DBusMessage * message,struct wpa_supplicant * wpa_s)1291 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1292 struct wpa_supplicant *wpa_s)
1293 {
1294 DBusMessage *reply = NULL;
1295 DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1296 char *key = NULL, *type = NULL;
1297 struct wpa_driver_scan_params params;
1298 size_t i;
1299 dbus_bool_t allow_roam = 1;
1300
1301 os_memset(¶ms, 0, sizeof(params));
1302
1303 dbus_message_iter_init(message, &iter);
1304
1305 dbus_message_iter_recurse(&iter, &dict_iter);
1306
1307 while (dbus_message_iter_get_arg_type(&dict_iter) ==
1308 DBUS_TYPE_DICT_ENTRY) {
1309 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1310 dbus_message_iter_get_basic(&entry_iter, &key);
1311 dbus_message_iter_next(&entry_iter);
1312 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1313
1314 if (os_strcmp(key, "Type") == 0) {
1315 if (wpas_dbus_get_scan_type(message, &variant_iter,
1316 &type, &reply) < 0)
1317 goto out;
1318 } else if (os_strcmp(key, "SSIDs") == 0) {
1319 if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1320 ¶ms, &reply) < 0)
1321 goto out;
1322 } else if (os_strcmp(key, "IEs") == 0) {
1323 if (wpas_dbus_get_scan_ies(message, &variant_iter,
1324 ¶ms, &reply) < 0)
1325 goto out;
1326 } else if (os_strcmp(key, "Channels") == 0) {
1327 if (wpas_dbus_get_scan_channels(message, &variant_iter,
1328 ¶ms, &reply) < 0)
1329 goto out;
1330 } else if (os_strcmp(key, "AllowRoam") == 0) {
1331 if (wpas_dbus_get_scan_allow_roam(message,
1332 &variant_iter,
1333 &allow_roam,
1334 &reply) < 0)
1335 goto out;
1336 } else {
1337 wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown argument %s",
1338 __func__, key);
1339 reply = wpas_dbus_error_invalid_args(message, key);
1340 goto out;
1341 }
1342
1343 dbus_message_iter_next(&dict_iter);
1344 }
1345
1346 if (!type) {
1347 wpa_printf(MSG_DEBUG, "%s[dbus]: Scan type not specified",
1348 __func__);
1349 reply = wpas_dbus_error_invalid_args(message, key);
1350 goto out;
1351 }
1352
1353 if (os_strcmp(type, "passive") == 0) {
1354 if (params.num_ssids || params.extra_ies_len) {
1355 wpa_printf(MSG_DEBUG,
1356 "%s[dbus]: SSIDs or IEs specified for passive scan.",
1357 __func__);
1358 reply = wpas_dbus_error_invalid_args(
1359 message,
1360 "You can specify only Channels in passive scan");
1361 goto out;
1362 } else {
1363 if (wpa_s->sched_scanning) {
1364 wpa_printf(MSG_DEBUG,
1365 "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
1366 __func__);
1367 wpa_supplicant_cancel_sched_scan(wpa_s);
1368 }
1369
1370 if (params.freqs && params.freqs[0]) {
1371 wpa_s->last_scan_req = MANUAL_SCAN_REQ;
1372 if (wpa_supplicant_trigger_scan(wpa_s,
1373 ¶ms)) {
1374 reply = wpas_dbus_error_scan_error(
1375 message,
1376 "Scan request rejected");
1377 }
1378 } else {
1379 wpa_s->scan_req = MANUAL_SCAN_REQ;
1380 wpa_supplicant_req_scan(wpa_s, 0, 0);
1381 }
1382 }
1383 } else if (os_strcmp(type, "active") == 0) {
1384 if (!params.num_ssids) {
1385 /* Add wildcard ssid */
1386 params.num_ssids++;
1387 }
1388 #ifdef CONFIG_AUTOSCAN
1389 autoscan_deinit(wpa_s);
1390 #endif /* CONFIG_AUTOSCAN */
1391 if (wpa_s->sched_scanning) {
1392 wpa_printf(MSG_DEBUG,
1393 "%s[dbus]: Stop ongoing sched_scan to allow requested scan to proceed",
1394 __func__);
1395 wpa_supplicant_cancel_sched_scan(wpa_s);
1396 }
1397
1398 wpa_s->last_scan_req = MANUAL_SCAN_REQ;
1399 if (wpa_supplicant_trigger_scan(wpa_s, ¶ms)) {
1400 reply = wpas_dbus_error_scan_error(
1401 message, "Scan request rejected");
1402 }
1403 } else {
1404 wpa_printf(MSG_DEBUG, "%s[dbus]: Unknown scan type: %s",
1405 __func__, type);
1406 reply = wpas_dbus_error_invalid_args(message,
1407 "Wrong scan type");
1408 goto out;
1409 }
1410
1411 if (!allow_roam)
1412 wpa_s->scan_res_handler = scan_only_handler;
1413
1414 out:
1415 for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1416 os_free((u8 *) params.ssids[i].ssid);
1417 os_free((u8 *) params.extra_ies);
1418 os_free(params.freqs);
1419 return reply;
1420 }
1421
1422
1423 /**
1424 * wpas_dbus_handler_signal_poll - Request immediate signal properties
1425 * @message: Pointer to incoming dbus message
1426 * @wpa_s: wpa_supplicant structure for a network interface
1427 * Returns: NULL indicating success or DBus error message on failure
1428 *
1429 * Handler function for "SignalPoll" method call of a network device. Requests
1430 * that wpa_supplicant read signal properties like RSSI, noise, and link
1431 * speed and return them.
1432 */
wpas_dbus_handler_signal_poll(DBusMessage * message,struct wpa_supplicant * wpa_s)1433 DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message,
1434 struct wpa_supplicant *wpa_s)
1435 {
1436 struct wpa_signal_info si;
1437 DBusMessage *reply = NULL;
1438 DBusMessageIter iter, iter_dict, variant_iter;
1439 int ret;
1440
1441 ret = wpa_drv_signal_poll(wpa_s, &si);
1442 if (ret) {
1443 return dbus_message_new_error(message, DBUS_ERROR_FAILED,
1444 "Failed to read signal");
1445 }
1446
1447 reply = dbus_message_new_method_return(message);
1448 if (reply == NULL)
1449 goto nomem;
1450
1451 dbus_message_iter_init_append(reply, &iter);
1452
1453 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
1454 "a{sv}", &variant_iter) ||
1455 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict) ||
1456 !wpa_dbus_dict_append_int32(&iter_dict, "rssi",
1457 si.current_signal) ||
1458 !wpa_dbus_dict_append_int32(&iter_dict, "linkspeed",
1459 si.current_txrate / 1000) ||
1460 !wpa_dbus_dict_append_int32(&iter_dict, "noise",
1461 si.current_noise) ||
1462 !wpa_dbus_dict_append_uint32(&iter_dict, "frequency",
1463 si.frequency) ||
1464 (si.chanwidth != CHAN_WIDTH_UNKNOWN &&
1465 !wpa_dbus_dict_append_string(
1466 &iter_dict, "width",
1467 channel_width_to_string(si.chanwidth))) ||
1468 (si.center_frq1 > 0 && si.center_frq2 > 0 &&
1469 (!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1",
1470 si.center_frq1) ||
1471 !wpa_dbus_dict_append_int32(&iter_dict, "center-frq2",
1472 si.center_frq2))) ||
1473 (si.avg_signal &&
1474 !wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi",
1475 si.avg_signal)) ||
1476 !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
1477 !dbus_message_iter_close_container(&iter, &variant_iter))
1478 goto nomem;
1479
1480 return reply;
1481
1482 nomem:
1483 if (reply)
1484 dbus_message_unref(reply);
1485 return wpas_dbus_error_no_memory(message);
1486 }
1487
1488
1489 /*
1490 * wpas_dbus_handler_disconnect - Terminate the current connection
1491 * @message: Pointer to incoming dbus message
1492 * @wpa_s: wpa_supplicant structure for a network interface
1493 * Returns: NotConnected DBus error message if already not connected
1494 * or NULL otherwise.
1495 *
1496 * Handler function for "Disconnect" method call of network interface.
1497 */
wpas_dbus_handler_disconnect(DBusMessage * message,struct wpa_supplicant * wpa_s)1498 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1499 struct wpa_supplicant *wpa_s)
1500 {
1501 if (wpa_s->current_ssid != NULL) {
1502 wpas_request_disconnection(wpa_s);
1503 return NULL;
1504 }
1505
1506 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1507 "This interface is not connected");
1508 }
1509
1510
1511 /**
1512 * wpas_dbus_new_iface_add_network - Add a new configured network
1513 * @message: Pointer to incoming dbus message
1514 * @wpa_s: wpa_supplicant structure for a network interface
1515 * Returns: A dbus message containing the object path of the new network
1516 *
1517 * Handler function for "AddNetwork" method call of a network interface.
1518 */
wpas_dbus_handler_add_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1519 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1520 struct wpa_supplicant *wpa_s)
1521 {
1522 DBusMessage *reply = NULL;
1523 DBusMessageIter iter;
1524 struct wpa_ssid *ssid = NULL;
1525 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1526 DBusError error;
1527
1528 dbus_message_iter_init(message, &iter);
1529
1530 if (wpa_s->dbus_new_path)
1531 ssid = wpa_supplicant_add_network(wpa_s);
1532 if (ssid == NULL) {
1533 wpa_printf(MSG_ERROR, "%s[dbus]: can't add new interface.",
1534 __func__);
1535 reply = wpas_dbus_error_unknown_error(
1536 message,
1537 "wpa_supplicant could not add a network on this interface.");
1538 goto err;
1539 }
1540
1541 dbus_error_init(&error);
1542 if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
1543 wpa_printf(MSG_DEBUG,
1544 "%s[dbus]: control interface couldn't set network properties",
1545 __func__);
1546 reply = wpas_dbus_reply_new_from_error(message, &error,
1547 DBUS_ERROR_INVALID_ARGS,
1548 "Failed to add network");
1549 dbus_error_free(&error);
1550 goto err;
1551 }
1552
1553 /* Construct the object path for this network. */
1554 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1555 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1556 wpa_s->dbus_new_path, ssid->id);
1557
1558 reply = dbus_message_new_method_return(message);
1559 if (reply == NULL) {
1560 reply = wpas_dbus_error_no_memory(message);
1561 goto err;
1562 }
1563 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1564 DBUS_TYPE_INVALID)) {
1565 dbus_message_unref(reply);
1566 reply = wpas_dbus_error_no_memory(message);
1567 goto err;
1568 }
1569
1570 return reply;
1571
1572 err:
1573 if (ssid) {
1574 wpas_notify_network_removed(wpa_s, ssid);
1575 wpa_config_remove_network(wpa_s->conf, ssid->id);
1576 }
1577 return reply;
1578 }
1579
1580
1581 /**
1582 * wpas_dbus_handler_reassociate - Reassociate
1583 * @message: Pointer to incoming dbus message
1584 * @wpa_s: wpa_supplicant structure for a network interface
1585 * Returns: InterfaceDisabled DBus error message if disabled
1586 * or NULL otherwise.
1587 *
1588 * Handler function for "Reassociate" method call of network interface.
1589 */
wpas_dbus_handler_reassociate(DBusMessage * message,struct wpa_supplicant * wpa_s)1590 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
1591 struct wpa_supplicant *wpa_s)
1592 {
1593 if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED) {
1594 wpas_request_connection(wpa_s);
1595 return NULL;
1596 }
1597
1598 return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_DISABLED,
1599 "This interface is disabled");
1600 }
1601
1602
1603 /**
1604 * wpas_dbus_handler_expect_disconnect - ExpectDisconnect
1605 * @message: Pointer to incoming dbus message
1606 * @global: %wpa_supplicant global data structure
1607 * Returns: NULL
1608 *
1609 * Handler function for notifying system there will be a expected disconnect.
1610 * This will prevent wpa_supplicant from adding blacklists upon next disconnect..
1611 */
wpas_dbus_handler_expect_disconnect(DBusMessage * message,struct wpa_global * global)1612 DBusMessage * wpas_dbus_handler_expect_disconnect(DBusMessage *message,
1613 struct wpa_global *global)
1614 {
1615 struct wpa_supplicant *wpa_s = global->ifaces;
1616
1617 for (; wpa_s; wpa_s = wpa_s->next)
1618 if (wpa_s->wpa_state >= WPA_ASSOCIATED)
1619 wpa_s->own_disconnect_req = 1;
1620 return NULL;
1621 }
1622
1623
1624 /**
1625 * wpas_dbus_handler_reattach - Reattach to current AP
1626 * @message: Pointer to incoming dbus message
1627 * @wpa_s: wpa_supplicant structure for a network interface
1628 * Returns: NotConnected DBus error message if not connected
1629 * or NULL otherwise.
1630 *
1631 * Handler function for "Reattach" method call of network interface.
1632 */
wpas_dbus_handler_reattach(DBusMessage * message,struct wpa_supplicant * wpa_s)1633 DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message,
1634 struct wpa_supplicant *wpa_s)
1635 {
1636 if (wpa_s->current_ssid != NULL) {
1637 wpa_s->reattach = 1;
1638 wpas_request_connection(wpa_s);
1639 return NULL;
1640 }
1641
1642 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1643 "This interface is not connected");
1644 }
1645
1646
1647 /**
1648 * wpas_dbus_handler_reconnect - Reconnect if disconnected
1649 * @message: Pointer to incoming dbus message
1650 * @wpa_s: wpa_supplicant structure for a network interface
1651 * Returns: InterfaceDisabled DBus error message if disabled
1652 * or NULL otherwise.
1653 *
1654 * Handler function for "Reconnect" method call of network interface.
1655 */
wpas_dbus_handler_reconnect(DBusMessage * message,struct wpa_supplicant * wpa_s)1656 DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message,
1657 struct wpa_supplicant *wpa_s)
1658 {
1659 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
1660 return dbus_message_new_error(message,
1661 WPAS_DBUS_ERROR_IFACE_DISABLED,
1662 "This interface is disabled");
1663 }
1664
1665 if (wpa_s->disconnected)
1666 wpas_request_connection(wpa_s);
1667 return NULL;
1668 }
1669
1670
1671 /**
1672 * wpas_dbus_handler_remove_network - Remove a configured network
1673 * @message: Pointer to incoming dbus message
1674 * @wpa_s: wpa_supplicant structure for a network interface
1675 * Returns: NULL on success or dbus error on failure
1676 *
1677 * Handler function for "RemoveNetwork" method call of a network interface.
1678 */
wpas_dbus_handler_remove_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1679 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1680 struct wpa_supplicant *wpa_s)
1681 {
1682 DBusMessage *reply = NULL;
1683 const char *op;
1684 char *iface, *net_id;
1685 int id;
1686 int result;
1687
1688 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1689 DBUS_TYPE_INVALID);
1690
1691 /* Extract the network ID and ensure the network */
1692 /* is actually a child of this interface */
1693 iface = wpas_dbus_new_decompose_object_path(op,
1694 WPAS_DBUS_NEW_NETWORKS_PART,
1695 &net_id);
1696 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
1697 os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1698 reply = wpas_dbus_error_invalid_args(message, op);
1699 goto out;
1700 }
1701
1702 errno = 0;
1703 id = strtoul(net_id, NULL, 10);
1704 if (errno != 0) {
1705 reply = wpas_dbus_error_invalid_args(message, op);
1706 goto out;
1707 }
1708
1709 result = wpa_supplicant_remove_network(wpa_s, id);
1710 if (result == -1) {
1711 reply = wpas_dbus_error_network_unknown(message);
1712 goto out;
1713 }
1714 if (result == -2) {
1715 wpa_printf(MSG_ERROR,
1716 "%s[dbus]: error occurred when removing network %d",
1717 __func__, id);
1718 reply = wpas_dbus_error_unknown_error(
1719 message,
1720 "error removing the specified network on is interface.");
1721 goto out;
1722 }
1723
1724 out:
1725 os_free(iface);
1726 return reply;
1727 }
1728
1729
remove_network(void * arg,struct wpa_ssid * ssid)1730 static void remove_network(void *arg, struct wpa_ssid *ssid)
1731 {
1732 struct wpa_supplicant *wpa_s = arg;
1733
1734 wpas_notify_network_removed(wpa_s, ssid);
1735
1736 if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1737 wpa_printf(MSG_ERROR,
1738 "%s[dbus]: error occurred when removing network %d",
1739 __func__, ssid->id);
1740 return;
1741 }
1742
1743 if (ssid == wpa_s->current_ssid)
1744 wpa_supplicant_deauthenticate(wpa_s,
1745 WLAN_REASON_DEAUTH_LEAVING);
1746 }
1747
1748
1749 /**
1750 * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1751 * @message: Pointer to incoming dbus message
1752 * @wpa_s: wpa_supplicant structure for a network interface
1753 * Returns: NULL on success or dbus error on failure
1754 *
1755 * Handler function for "RemoveAllNetworks" method call of a network interface.
1756 */
wpas_dbus_handler_remove_all_networks(DBusMessage * message,struct wpa_supplicant * wpa_s)1757 DBusMessage * wpas_dbus_handler_remove_all_networks(
1758 DBusMessage *message, struct wpa_supplicant *wpa_s)
1759 {
1760 if (wpa_s->sched_scanning)
1761 wpa_supplicant_cancel_sched_scan(wpa_s);
1762
1763 /* NB: could check for failure and return an error */
1764 wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1765 return NULL;
1766 }
1767
1768
1769 /**
1770 * wpas_dbus_handler_select_network - Attempt association with a network
1771 * @message: Pointer to incoming dbus message
1772 * @wpa_s: wpa_supplicant structure for a network interface
1773 * Returns: NULL on success or dbus error on failure
1774 *
1775 * Handler function for "SelectNetwork" method call of network interface.
1776 */
wpas_dbus_handler_select_network(DBusMessage * message,struct wpa_supplicant * wpa_s)1777 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1778 struct wpa_supplicant *wpa_s)
1779 {
1780 DBusMessage *reply = NULL;
1781 const char *op;
1782 char *iface, *net_id;
1783 int id;
1784 struct wpa_ssid *ssid;
1785
1786 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1787 DBUS_TYPE_INVALID);
1788
1789 /* Extract the network ID and ensure the network */
1790 /* is actually a child of this interface */
1791 iface = wpas_dbus_new_decompose_object_path(op,
1792 WPAS_DBUS_NEW_NETWORKS_PART,
1793 &net_id);
1794 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
1795 os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1796 reply = wpas_dbus_error_invalid_args(message, op);
1797 goto out;
1798 }
1799
1800 errno = 0;
1801 id = strtoul(net_id, NULL, 10);
1802 if (errno != 0) {
1803 reply = wpas_dbus_error_invalid_args(message, op);
1804 goto out;
1805 }
1806
1807 ssid = wpa_config_get_network(wpa_s->conf, id);
1808 if (ssid == NULL) {
1809 reply = wpas_dbus_error_network_unknown(message);
1810 goto out;
1811 }
1812
1813 /* Finally, associate with the network */
1814 wpa_supplicant_select_network(wpa_s, ssid);
1815
1816 out:
1817 os_free(iface);
1818 return reply;
1819 }
1820
1821
1822 /**
1823 * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
1824 * @message: Pointer to incoming dbus message
1825 * @wpa_s: wpa_supplicant structure for a network interface
1826 * Returns: NULL on success or dbus error on failure
1827 *
1828 * Handler function for "NetworkReply" method call of network interface.
1829 */
wpas_dbus_handler_network_reply(DBusMessage * message,struct wpa_supplicant * wpa_s)1830 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
1831 struct wpa_supplicant *wpa_s)
1832 {
1833 #ifdef IEEE8021X_EAPOL
1834 DBusMessage *reply = NULL;
1835 const char *op, *field, *value;
1836 char *iface, *net_id;
1837 int id;
1838 struct wpa_ssid *ssid;
1839
1840 if (!dbus_message_get_args(message, NULL,
1841 DBUS_TYPE_OBJECT_PATH, &op,
1842 DBUS_TYPE_STRING, &field,
1843 DBUS_TYPE_STRING, &value,
1844 DBUS_TYPE_INVALID))
1845 return wpas_dbus_error_invalid_args(message, NULL);
1846
1847 /* Extract the network ID and ensure the network */
1848 /* is actually a child of this interface */
1849 iface = wpas_dbus_new_decompose_object_path(op,
1850 WPAS_DBUS_NEW_NETWORKS_PART,
1851 &net_id);
1852 if (iface == NULL || net_id == NULL || !wpa_s->dbus_new_path ||
1853 os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1854 reply = wpas_dbus_error_invalid_args(message, op);
1855 goto out;
1856 }
1857
1858 errno = 0;
1859 id = strtoul(net_id, NULL, 10);
1860 if (errno != 0) {
1861 reply = wpas_dbus_error_invalid_args(message, net_id);
1862 goto out;
1863 }
1864
1865 ssid = wpa_config_get_network(wpa_s->conf, id);
1866 if (ssid == NULL) {
1867 reply = wpas_dbus_error_network_unknown(message);
1868 goto out;
1869 }
1870
1871 if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
1872 field, value) < 0)
1873 reply = wpas_dbus_error_invalid_args(message, field);
1874 else {
1875 /* Tell EAP to retry immediately */
1876 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1877 }
1878
1879 out:
1880 os_free(iface);
1881 return reply;
1882 #else /* IEEE8021X_EAPOL */
1883 wpa_printf(MSG_DEBUG, "dbus: 802.1X not included");
1884 return wpas_dbus_error_unknown_error(message, "802.1X not included");
1885 #endif /* IEEE8021X_EAPOL */
1886 }
1887
1888
1889 #ifndef CONFIG_NO_CONFIG_BLOBS
1890
1891 /**
1892 * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1893 * @message: Pointer to incoming dbus message
1894 * @wpa_s: %wpa_supplicant data structure
1895 * Returns: A dbus message containing an error on failure or NULL on success
1896 *
1897 * Asks wpa_supplicant to internally store a binary blobs.
1898 */
wpas_dbus_handler_add_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)1899 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1900 struct wpa_supplicant *wpa_s)
1901 {
1902 DBusMessage *reply = NULL;
1903 DBusMessageIter iter, array_iter;
1904
1905 char *blob_name;
1906 u8 *blob_data;
1907 int blob_len;
1908 struct wpa_config_blob *blob = NULL;
1909
1910 dbus_message_iter_init(message, &iter);
1911 dbus_message_iter_get_basic(&iter, &blob_name);
1912
1913 if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1914 return dbus_message_new_error(message,
1915 WPAS_DBUS_ERROR_BLOB_EXISTS,
1916 NULL);
1917 }
1918
1919 dbus_message_iter_next(&iter);
1920 dbus_message_iter_recurse(&iter, &array_iter);
1921
1922 dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1923
1924 blob = os_zalloc(sizeof(*blob));
1925 if (!blob) {
1926 reply = wpas_dbus_error_no_memory(message);
1927 goto err;
1928 }
1929
1930 blob->data = os_malloc(blob_len);
1931 blob->name = os_strdup(blob_name);
1932 if (!blob->data || !blob->name) {
1933 reply = wpas_dbus_error_no_memory(message);
1934 goto err;
1935 }
1936 os_memcpy(blob->data, blob_data, blob_len);
1937 blob->len = blob_len;
1938
1939 wpa_config_set_blob(wpa_s->conf, blob);
1940 wpas_notify_blob_added(wpa_s, blob->name);
1941
1942 return reply;
1943
1944 err:
1945 if (blob) {
1946 os_free(blob->name);
1947 os_free(blob->data);
1948 os_free(blob);
1949 }
1950 return reply;
1951 }
1952
1953
1954 /**
1955 * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1956 * @message: Pointer to incoming dbus message
1957 * @wpa_s: %wpa_supplicant data structure
1958 * Returns: A dbus message containing array of bytes (blob)
1959 *
1960 * Gets one wpa_supplicant's binary blobs.
1961 */
wpas_dbus_handler_get_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)1962 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1963 struct wpa_supplicant *wpa_s)
1964 {
1965 DBusMessage *reply = NULL;
1966 DBusMessageIter iter, array_iter;
1967
1968 char *blob_name;
1969 const struct wpa_config_blob *blob;
1970
1971 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1972 DBUS_TYPE_INVALID);
1973
1974 blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1975 if (!blob) {
1976 return dbus_message_new_error(message,
1977 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1978 "Blob id not set");
1979 }
1980
1981 reply = dbus_message_new_method_return(message);
1982 if (!reply)
1983 return wpas_dbus_error_no_memory(message);
1984
1985 dbus_message_iter_init_append(reply, &iter);
1986
1987 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1988 DBUS_TYPE_BYTE_AS_STRING,
1989 &array_iter) ||
1990 !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1991 &(blob->data), blob->len) ||
1992 !dbus_message_iter_close_container(&iter, &array_iter)) {
1993 dbus_message_unref(reply);
1994 reply = wpas_dbus_error_no_memory(message);
1995 }
1996
1997 return reply;
1998 }
1999
2000
2001 /**
2002 * wpas_remove_handler_remove_blob - Remove named binary blob
2003 * @message: Pointer to incoming dbus message
2004 * @wpa_s: %wpa_supplicant data structure
2005 * Returns: NULL on success or dbus error
2006 *
2007 * Asks wpa_supplicant to internally remove a binary blobs.
2008 */
wpas_dbus_handler_remove_blob(DBusMessage * message,struct wpa_supplicant * wpa_s)2009 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
2010 struct wpa_supplicant *wpa_s)
2011 {
2012 DBusMessage *reply = NULL;
2013 char *blob_name;
2014
2015 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
2016 DBUS_TYPE_INVALID);
2017
2018 if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
2019 return dbus_message_new_error(message,
2020 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
2021 "Blob id not set");
2022 }
2023 wpas_notify_blob_removed(wpa_s, blob_name);
2024
2025 return reply;
2026
2027 }
2028
2029 #endif /* CONFIG_NO_CONFIG_BLOBS */
2030
2031
2032 /*
2033 * wpas_dbus_handler_flush_bss - Flush the BSS cache
2034 * @message: Pointer to incoming dbus message
2035 * @wpa_s: wpa_supplicant structure for a network interface
2036 * Returns: NULL
2037 *
2038 * Handler function for "FlushBSS" method call of network interface.
2039 */
wpas_dbus_handler_flush_bss(DBusMessage * message,struct wpa_supplicant * wpa_s)2040 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
2041 struct wpa_supplicant *wpa_s)
2042 {
2043 dbus_uint32_t age;
2044
2045 dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
2046 DBUS_TYPE_INVALID);
2047
2048 if (age == 0)
2049 wpa_bss_flush(wpa_s);
2050 else
2051 wpa_bss_flush_by_age(wpa_s, age);
2052
2053 return NULL;
2054 }
2055
2056
2057 #ifdef CONFIG_AUTOSCAN
2058 /**
2059 * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
2060 * @message: Pointer to incoming dbus message
2061 * @wpa_s: wpa_supplicant structure for a network interface
2062 * Returns: NULL
2063 *
2064 * Handler function for "AutoScan" method call of network interface.
2065 */
wpas_dbus_handler_autoscan(DBusMessage * message,struct wpa_supplicant * wpa_s)2066 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
2067 struct wpa_supplicant *wpa_s)
2068 {
2069 DBusMessage *reply = NULL;
2070 enum wpa_states state = wpa_s->wpa_state;
2071 char *arg;
2072
2073 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
2074 DBUS_TYPE_INVALID);
2075
2076 if (arg != NULL && os_strlen(arg) > 0) {
2077 char *tmp;
2078
2079 tmp = os_strdup(arg);
2080 if (tmp == NULL) {
2081 reply = wpas_dbus_error_no_memory(message);
2082 } else {
2083 os_free(wpa_s->conf->autoscan);
2084 wpa_s->conf->autoscan = tmp;
2085 if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
2086 autoscan_init(wpa_s, 1);
2087 else if (state == WPA_SCANNING)
2088 wpa_supplicant_reinit_autoscan(wpa_s);
2089 }
2090 } else if (arg != NULL && os_strlen(arg) == 0) {
2091 os_free(wpa_s->conf->autoscan);
2092 wpa_s->conf->autoscan = NULL;
2093 autoscan_deinit(wpa_s);
2094 } else
2095 reply = dbus_message_new_error(message,
2096 DBUS_ERROR_INVALID_ARGS,
2097 NULL);
2098
2099 return reply;
2100 }
2101 #endif /* CONFIG_AUTOSCAN */
2102
2103
2104 /*
2105 * wpas_dbus_handler_eap_logoff - IEEE 802.1X EAPOL state machine logoff
2106 * @message: Pointer to incoming dbus message
2107 * @wpa_s: wpa_supplicant structure for a network interface
2108 * Returns: NULL
2109 *
2110 * Handler function for "EAPLogoff" method call of network interface.
2111 */
wpas_dbus_handler_eap_logoff(DBusMessage * message,struct wpa_supplicant * wpa_s)2112 DBusMessage * wpas_dbus_handler_eap_logoff(DBusMessage *message,
2113 struct wpa_supplicant *wpa_s)
2114 {
2115 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
2116 return NULL;
2117 }
2118
2119
2120 /*
2121 * wpas_dbus_handler_eap_logon - IEEE 802.1X EAPOL state machine logon
2122 * @message: Pointer to incoming dbus message
2123 * @wpa_s: wpa_supplicant structure for a network interface
2124 * Returns: NULL
2125 *
2126 * Handler function for "EAPLogin" method call of network interface.
2127 */
wpas_dbus_handler_eap_logon(DBusMessage * message,struct wpa_supplicant * wpa_s)2128 DBusMessage * wpas_dbus_handler_eap_logon(DBusMessage *message,
2129 struct wpa_supplicant *wpa_s)
2130 {
2131 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
2132 return NULL;
2133 }
2134
2135
2136 #ifdef CONFIG_TDLS
2137
get_peer_hwaddr_helper(DBusMessage * message,const char * func_name,u8 * peer_address,DBusMessage ** error)2138 static int get_peer_hwaddr_helper(DBusMessage *message, const char *func_name,
2139 u8 *peer_address, DBusMessage **error)
2140 {
2141 const char *peer_string;
2142
2143 *error = NULL;
2144
2145 if (!dbus_message_get_args(message, NULL,
2146 DBUS_TYPE_STRING, &peer_string,
2147 DBUS_TYPE_INVALID)) {
2148 *error = wpas_dbus_error_invalid_args(message, NULL);
2149 return -1;
2150 }
2151
2152 if (hwaddr_aton(peer_string, peer_address)) {
2153 wpa_printf(MSG_DEBUG, "%s: invalid address '%s'",
2154 func_name, peer_string);
2155 *error = wpas_dbus_error_invalid_args(
2156 message, "Invalid hardware address format");
2157 return -1;
2158 }
2159
2160 return 0;
2161 }
2162
2163
2164 /*
2165 * wpas_dbus_handler_tdls_discover - Discover TDLS peer
2166 * @message: Pointer to incoming dbus message
2167 * @wpa_s: wpa_supplicant structure for a network interface
2168 * Returns: NULL indicating success or DBus error message on failure
2169 *
2170 * Handler function for "TDLSDiscover" method call of network interface.
2171 */
wpas_dbus_handler_tdls_discover(DBusMessage * message,struct wpa_supplicant * wpa_s)2172 DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
2173 struct wpa_supplicant *wpa_s)
2174 {
2175 u8 peer[ETH_ALEN];
2176 DBusMessage *error_reply;
2177 int ret;
2178
2179 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
2180 return error_reply;
2181
2182 wpa_printf(MSG_DEBUG, "DBUS TDLS_DISCOVER " MACSTR, MAC2STR(peer));
2183
2184 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2185 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
2186 else
2187 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
2188
2189 if (ret) {
2190 return wpas_dbus_error_unknown_error(
2191 message, "error performing TDLS discovery");
2192 }
2193
2194 return NULL;
2195 }
2196
2197
2198 /*
2199 * wpas_dbus_handler_tdls_setup - Setup TDLS session
2200 * @message: Pointer to incoming dbus message
2201 * @wpa_s: wpa_supplicant structure for a network interface
2202 * Returns: NULL indicating success or DBus error message on failure
2203 *
2204 * Handler function for "TDLSSetup" method call of network interface.
2205 */
wpas_dbus_handler_tdls_setup(DBusMessage * message,struct wpa_supplicant * wpa_s)2206 DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message,
2207 struct wpa_supplicant *wpa_s)
2208 {
2209 u8 peer[ETH_ALEN];
2210 DBusMessage *error_reply;
2211 int ret;
2212
2213 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
2214 return error_reply;
2215
2216 wpa_printf(MSG_DEBUG, "DBUS TDLS_SETUP " MACSTR, MAC2STR(peer));
2217
2218 wpa_tdls_remove(wpa_s->wpa, peer);
2219 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2220 ret = wpa_tdls_start(wpa_s->wpa, peer);
2221 else
2222 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
2223
2224 if (ret) {
2225 return wpas_dbus_error_unknown_error(
2226 message, "error performing TDLS setup");
2227 }
2228
2229 return NULL;
2230 }
2231
2232
2233 /*
2234 * wpas_dbus_handler_tdls_status - Return TDLS session status
2235 * @message: Pointer to incoming dbus message
2236 * @wpa_s: wpa_supplicant structure for a network interface
2237 * Returns: A string representing the state of the link to this TDLS peer
2238 *
2239 * Handler function for "TDLSStatus" method call of network interface.
2240 */
wpas_dbus_handler_tdls_status(DBusMessage * message,struct wpa_supplicant * wpa_s)2241 DBusMessage * wpas_dbus_handler_tdls_status(DBusMessage *message,
2242 struct wpa_supplicant *wpa_s)
2243 {
2244 u8 peer[ETH_ALEN];
2245 DBusMessage *reply;
2246 const char *tdls_status;
2247
2248 if (get_peer_hwaddr_helper(message, __func__, peer, &reply) < 0)
2249 return reply;
2250
2251 wpa_printf(MSG_DEBUG, "DBUS TDLS_STATUS " MACSTR, MAC2STR(peer));
2252
2253 tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
2254
2255 reply = dbus_message_new_method_return(message);
2256 dbus_message_append_args(reply, DBUS_TYPE_STRING,
2257 &tdls_status, DBUS_TYPE_INVALID);
2258 return reply;
2259 }
2260
2261
2262 /*
2263 * wpas_dbus_handler_tdls_teardown - Teardown TDLS session
2264 * @message: Pointer to incoming dbus message
2265 * @wpa_s: wpa_supplicant structure for a network interface
2266 * Returns: NULL indicating success or DBus error message on failure
2267 *
2268 * Handler function for "TDLSTeardown" method call of network interface.
2269 */
wpas_dbus_handler_tdls_teardown(DBusMessage * message,struct wpa_supplicant * wpa_s)2270 DBusMessage * wpas_dbus_handler_tdls_teardown(DBusMessage *message,
2271 struct wpa_supplicant *wpa_s)
2272 {
2273 u8 peer[ETH_ALEN];
2274 DBusMessage *error_reply;
2275 int ret;
2276
2277 if (get_peer_hwaddr_helper(message, __func__, peer, &error_reply) < 0)
2278 return error_reply;
2279
2280 wpa_printf(MSG_DEBUG, "DBUS TDLS_TEARDOWN " MACSTR, MAC2STR(peer));
2281
2282 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2283 ret = wpa_tdls_teardown_link(
2284 wpa_s->wpa, peer,
2285 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
2286 else
2287 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
2288
2289 if (ret) {
2290 return wpas_dbus_error_unknown_error(
2291 message, "error performing TDLS teardown");
2292 }
2293
2294 return NULL;
2295 }
2296
2297 #endif /* CONFIG_TDLS */
2298
2299
2300 #ifndef CONFIG_NO_CONFIG_WRITE
2301 /**
2302 * wpas_dbus_handler_save_config - Save configuration to configuration file
2303 * @message: Pointer to incoming dbus message
2304 * @wpa_s: wpa_supplicant structure for a network interface
2305 * Returns: NULL on Success, Otherwise errror message
2306 *
2307 * Handler function for "SaveConfig" method call of network interface.
2308 */
wpas_dbus_handler_save_config(DBusMessage * message,struct wpa_supplicant * wpa_s)2309 DBusMessage * wpas_dbus_handler_save_config(DBusMessage *message,
2310 struct wpa_supplicant *wpa_s)
2311 {
2312 int ret;
2313
2314 if (!wpa_s->conf->update_config) {
2315 return wpas_dbus_error_unknown_error(
2316 message,
2317 "Not allowed to update configuration (update_config=0)");
2318 }
2319
2320 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2321 if (ret)
2322 return wpas_dbus_error_unknown_error(
2323 message, "Failed to update configuration");
2324 return NULL;
2325 }
2326 #endif /* CONFIG_NO_CONFIG_WRITE */
2327
2328
2329 /**
2330 * wpas_dbus_handler_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
2331 * @message: Pointer to incoming dbus message
2332 * @wpa_s: %wpa_supplicant data structure
2333 * Returns: A dbus message containing an error on failure or NULL on success
2334 *
2335 * Sets the PKCS #11 engine and module path.
2336 */
wpas_dbus_handler_set_pkcs11_engine_and_module_path(DBusMessage * message,struct wpa_supplicant * wpa_s)2337 DBusMessage * wpas_dbus_handler_set_pkcs11_engine_and_module_path(
2338 DBusMessage *message, struct wpa_supplicant *wpa_s)
2339 {
2340 DBusMessageIter iter;
2341 char *value = NULL;
2342 char *pkcs11_engine_path = NULL;
2343 char *pkcs11_module_path = NULL;
2344
2345 dbus_message_iter_init(message, &iter);
2346 dbus_message_iter_get_basic(&iter, &value);
2347 if (value == NULL) {
2348 return dbus_message_new_error(
2349 message, DBUS_ERROR_INVALID_ARGS,
2350 "Invalid pkcs11_engine_path argument");
2351 }
2352 /* Empty path defaults to NULL */
2353 if (os_strlen(value))
2354 pkcs11_engine_path = value;
2355
2356 dbus_message_iter_next(&iter);
2357 dbus_message_iter_get_basic(&iter, &value);
2358 if (value == NULL) {
2359 os_free(pkcs11_engine_path);
2360 return dbus_message_new_error(
2361 message, DBUS_ERROR_INVALID_ARGS,
2362 "Invalid pkcs11_module_path argument");
2363 }
2364 /* Empty path defaults to NULL */
2365 if (os_strlen(value))
2366 pkcs11_module_path = value;
2367
2368 if (wpas_set_pkcs11_engine_and_module_path(wpa_s, pkcs11_engine_path,
2369 pkcs11_module_path))
2370 return dbus_message_new_error(
2371 message, DBUS_ERROR_FAILED,
2372 "Reinit of the EAPOL state machine with the new PKCS #11 engine and module path failed.");
2373
2374 if (wpa_s->dbus_new_path) {
2375 wpa_dbus_mark_property_changed(
2376 wpa_s->global->dbus, wpa_s->dbus_new_path,
2377 WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11EnginePath");
2378 wpa_dbus_mark_property_changed(
2379 wpa_s->global->dbus, wpa_s->dbus_new_path,
2380 WPAS_DBUS_NEW_IFACE_INTERFACE, "PKCS11ModulePath");
2381 }
2382
2383 return NULL;
2384 }
2385
2386
2387 /**
2388 * wpas_dbus_getter_capabilities - Return interface capabilities
2389 * @iter: Pointer to incoming dbus message iter
2390 * @error: Location to store error on failure
2391 * @user_data: Function specific data
2392 * Returns: TRUE on success, FALSE on failure
2393 *
2394 * Getter for "Capabilities" property of an interface.
2395 */
wpas_dbus_getter_capabilities(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2396 dbus_bool_t wpas_dbus_getter_capabilities(
2397 const struct wpa_dbus_property_desc *property_desc,
2398 DBusMessageIter *iter, DBusError *error, void *user_data)
2399 {
2400 struct wpa_supplicant *wpa_s = user_data;
2401 struct wpa_driver_capa capa;
2402 int res;
2403 DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
2404 variant_iter;
2405 const char *scans[] = { "active", "passive", "ssid" };
2406
2407 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2408 "a{sv}", &variant_iter) ||
2409 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
2410 goto nomem;
2411
2412 res = wpa_drv_get_capa(wpa_s, &capa);
2413
2414 /***** pairwise cipher */
2415 if (res < 0) {
2416 const char *args[] = {"ccmp", "tkip", "none"};
2417
2418 if (!wpa_dbus_dict_append_string_array(
2419 &iter_dict, "Pairwise", args,
2420 ARRAY_SIZE(args)))
2421 goto nomem;
2422 } else {
2423 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
2424 &iter_dict_entry,
2425 &iter_dict_val,
2426 &iter_array) ||
2427 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
2428 !wpa_dbus_dict_string_array_add_element(
2429 &iter_array, "ccmp-256")) ||
2430 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
2431 !wpa_dbus_dict_string_array_add_element(
2432 &iter_array, "gcmp-256")) ||
2433 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
2434 !wpa_dbus_dict_string_array_add_element(
2435 &iter_array, "ccmp")) ||
2436 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
2437 !wpa_dbus_dict_string_array_add_element(
2438 &iter_array, "gcmp")) ||
2439 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
2440 !wpa_dbus_dict_string_array_add_element(
2441 &iter_array, "tkip")) ||
2442 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
2443 !wpa_dbus_dict_string_array_add_element(
2444 &iter_array, "none")) ||
2445 !wpa_dbus_dict_end_string_array(&iter_dict,
2446 &iter_dict_entry,
2447 &iter_dict_val,
2448 &iter_array))
2449 goto nomem;
2450 }
2451
2452 /***** group cipher */
2453 if (res < 0) {
2454 const char *args[] = {
2455 "ccmp", "tkip", "wep104", "wep40"
2456 };
2457
2458 if (!wpa_dbus_dict_append_string_array(
2459 &iter_dict, "Group", args,
2460 ARRAY_SIZE(args)))
2461 goto nomem;
2462 } else {
2463 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
2464 &iter_dict_entry,
2465 &iter_dict_val,
2466 &iter_array) ||
2467 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP_256) &&
2468 !wpa_dbus_dict_string_array_add_element(
2469 &iter_array, "ccmp-256")) ||
2470 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP_256) &&
2471 !wpa_dbus_dict_string_array_add_element(
2472 &iter_array, "gcmp-256")) ||
2473 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
2474 !wpa_dbus_dict_string_array_add_element(
2475 &iter_array, "ccmp")) ||
2476 ((capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) &&
2477 !wpa_dbus_dict_string_array_add_element(
2478 &iter_array, "gcmp")) ||
2479 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
2480 !wpa_dbus_dict_string_array_add_element(
2481 &iter_array, "tkip")) ||
2482 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) &&
2483 !wpa_dbus_dict_string_array_add_element(
2484 &iter_array, "wep104")) ||
2485 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) &&
2486 !wpa_dbus_dict_string_array_add_element(
2487 &iter_array, "wep40")) ||
2488 !wpa_dbus_dict_end_string_array(&iter_dict,
2489 &iter_dict_entry,
2490 &iter_dict_val,
2491 &iter_array))
2492 goto nomem;
2493 }
2494
2495 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "GroupMgmt",
2496 &iter_dict_entry,
2497 &iter_dict_val,
2498 &iter_array) ||
2499 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP) &&
2500 !wpa_dbus_dict_string_array_add_element(
2501 &iter_array, "aes-128-cmac")) ||
2502 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_GMAC_128) &&
2503 !wpa_dbus_dict_string_array_add_element(
2504 &iter_array, "bip-gmac-128")) ||
2505 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_GMAC_256) &&
2506 !wpa_dbus_dict_string_array_add_element(
2507 &iter_array, "bip-gmac-256")) ||
2508 (res == 0 && (capa.enc & WPA_DRIVER_CAPA_ENC_BIP_CMAC_256) &&
2509 !wpa_dbus_dict_string_array_add_element(
2510 &iter_array, "bip-cmac-256")) ||
2511 !wpa_dbus_dict_end_string_array(&iter_dict,
2512 &iter_dict_entry,
2513 &iter_dict_val,
2514 &iter_array))
2515 goto nomem;
2516
2517 /***** key management */
2518 if (res < 0) {
2519 const char *args[] = {
2520 "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2521 #ifdef CONFIG_WPS
2522 "wps",
2523 #endif /* CONFIG_WPS */
2524 "none"
2525 };
2526 if (!wpa_dbus_dict_append_string_array(
2527 &iter_dict, "KeyMgmt", args,
2528 ARRAY_SIZE(args)))
2529 goto nomem;
2530 } else {
2531 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2532 &iter_dict_entry,
2533 &iter_dict_val,
2534 &iter_array) ||
2535 !wpa_dbus_dict_string_array_add_element(&iter_array,
2536 "none") ||
2537 !wpa_dbus_dict_string_array_add_element(&iter_array,
2538 "ieee8021x"))
2539 goto nomem;
2540
2541 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2542 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2543 if (!wpa_dbus_dict_string_array_add_element(
2544 &iter_array, "wpa-eap") ||
2545 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT) &&
2546 !wpa_dbus_dict_string_array_add_element(
2547 &iter_array, "wpa-ft-eap")))
2548 goto nomem;
2549
2550 /* TODO: Ensure that driver actually supports sha256 encryption. */
2551 #ifdef CONFIG_IEEE80211W
2552 if (!wpa_dbus_dict_string_array_add_element(
2553 &iter_array, "wpa-eap-sha256"))
2554 goto nomem;
2555 #endif /* CONFIG_IEEE80211W */
2556 }
2557
2558 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2559 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2560 if (!wpa_dbus_dict_string_array_add_element(
2561 &iter_array, "wpa-psk") ||
2562 ((capa.key_mgmt &
2563 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK) &&
2564 !wpa_dbus_dict_string_array_add_element(
2565 &iter_array, "wpa-ft-psk")))
2566 goto nomem;
2567
2568 /* TODO: Ensure that driver actually supports sha256 encryption. */
2569 #ifdef CONFIG_IEEE80211W
2570 if (!wpa_dbus_dict_string_array_add_element(
2571 &iter_array, "wpa-psk-sha256"))
2572 goto nomem;
2573 #endif /* CONFIG_IEEE80211W */
2574 }
2575
2576 if ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
2577 !wpa_dbus_dict_string_array_add_element(&iter_array,
2578 "wpa-none"))
2579 goto nomem;
2580
2581
2582 #ifdef CONFIG_WPS
2583 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2584 "wps"))
2585 goto nomem;
2586 #endif /* CONFIG_WPS */
2587
2588 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2589 &iter_dict_entry,
2590 &iter_dict_val,
2591 &iter_array))
2592 goto nomem;
2593 }
2594
2595 /***** WPA protocol */
2596 if (res < 0) {
2597 const char *args[] = { "rsn", "wpa" };
2598
2599 if (!wpa_dbus_dict_append_string_array(
2600 &iter_dict, "Protocol", args,
2601 ARRAY_SIZE(args)))
2602 goto nomem;
2603 } else {
2604 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2605 &iter_dict_entry,
2606 &iter_dict_val,
2607 &iter_array) ||
2608 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2609 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) &&
2610 !wpa_dbus_dict_string_array_add_element(
2611 &iter_array, "rsn")) ||
2612 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2613 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) &&
2614 !wpa_dbus_dict_string_array_add_element(
2615 &iter_array, "wpa")) ||
2616 !wpa_dbus_dict_end_string_array(&iter_dict,
2617 &iter_dict_entry,
2618 &iter_dict_val,
2619 &iter_array))
2620 goto nomem;
2621 }
2622
2623 /***** auth alg */
2624 if (res < 0) {
2625 const char *args[] = { "open", "shared", "leap" };
2626
2627 if (!wpa_dbus_dict_append_string_array(
2628 &iter_dict, "AuthAlg", args,
2629 ARRAY_SIZE(args)))
2630 goto nomem;
2631 } else {
2632 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2633 &iter_dict_entry,
2634 &iter_dict_val,
2635 &iter_array))
2636 goto nomem;
2637
2638 if (((capa.auth & WPA_DRIVER_AUTH_OPEN) &&
2639 !wpa_dbus_dict_string_array_add_element(
2640 &iter_array, "open")) ||
2641 ((capa.auth & WPA_DRIVER_AUTH_SHARED) &&
2642 !wpa_dbus_dict_string_array_add_element(
2643 &iter_array, "shared")) ||
2644 ((capa.auth & WPA_DRIVER_AUTH_LEAP) &&
2645 !wpa_dbus_dict_string_array_add_element(
2646 &iter_array, "leap")) ||
2647 !wpa_dbus_dict_end_string_array(&iter_dict,
2648 &iter_dict_entry,
2649 &iter_dict_val,
2650 &iter_array))
2651 goto nomem;
2652 }
2653
2654 /***** Scan */
2655 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2656 ARRAY_SIZE(scans)))
2657 goto nomem;
2658
2659 /***** Modes */
2660 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2661 &iter_dict_entry,
2662 &iter_dict_val,
2663 &iter_array) ||
2664 !wpa_dbus_dict_string_array_add_element(
2665 &iter_array, "infrastructure") ||
2666 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_IBSS) &&
2667 !wpa_dbus_dict_string_array_add_element(
2668 &iter_array, "ad-hoc")) ||
2669 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_AP) &&
2670 !wpa_dbus_dict_string_array_add_element(
2671 &iter_array, "ap")) ||
2672 (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
2673 !wpa_s->conf->p2p_disabled &&
2674 !wpa_dbus_dict_string_array_add_element(
2675 &iter_array, "p2p")) ||
2676 !wpa_dbus_dict_end_string_array(&iter_dict,
2677 &iter_dict_entry,
2678 &iter_dict_val,
2679 &iter_array))
2680 goto nomem;
2681 /***** Modes end */
2682
2683 if (res >= 0) {
2684 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2685
2686 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2687 max_scan_ssid))
2688 goto nomem;
2689 }
2690
2691 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
2692 !dbus_message_iter_close_container(iter, &variant_iter))
2693 goto nomem;
2694
2695 return TRUE;
2696
2697 nomem:
2698 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2699 return FALSE;
2700 }
2701
2702
2703 /**
2704 * wpas_dbus_getter_state - Get interface state
2705 * @iter: Pointer to incoming dbus message iter
2706 * @error: Location to store error on failure
2707 * @user_data: Function specific data
2708 * Returns: TRUE on success, FALSE on failure
2709 *
2710 * Getter for "State" property.
2711 */
wpas_dbus_getter_state(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2712 dbus_bool_t wpas_dbus_getter_state(
2713 const struct wpa_dbus_property_desc *property_desc,
2714 DBusMessageIter *iter, DBusError *error, void *user_data)
2715 {
2716 struct wpa_supplicant *wpa_s = user_data;
2717 const char *str_state;
2718 char *state_ls, *tmp;
2719 dbus_bool_t success = FALSE;
2720
2721 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2722
2723 /* make state string lowercase to fit new DBus API convention
2724 */
2725 state_ls = tmp = os_strdup(str_state);
2726 if (!tmp) {
2727 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2728 return FALSE;
2729 }
2730 while (*tmp) {
2731 *tmp = tolower(*tmp);
2732 tmp++;
2733 }
2734
2735 success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2736 &state_ls, error);
2737
2738 os_free(state_ls);
2739
2740 return success;
2741 }
2742
2743
2744 /**
2745 * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2746 * @iter: Pointer to incoming dbus message iter
2747 * @error: Location to store error on failure
2748 * @user_data: Function specific data
2749 * Returns: TRUE on success, FALSE on failure
2750 *
2751 * Getter for "scanning" property.
2752 */
wpas_dbus_getter_scanning(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2753 dbus_bool_t wpas_dbus_getter_scanning(
2754 const struct wpa_dbus_property_desc *property_desc,
2755 DBusMessageIter *iter, DBusError *error, void *user_data)
2756 {
2757 struct wpa_supplicant *wpa_s = user_data;
2758 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2759
2760 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2761 &scanning, error);
2762 }
2763
2764
2765 /**
2766 * wpas_dbus_getter_ap_scan - Control roaming mode
2767 * @iter: Pointer to incoming dbus message iter
2768 * @error: Location to store error on failure
2769 * @user_data: Function specific data
2770 * Returns: TRUE on success, FALSE on failure
2771 *
2772 * Getter function for "ApScan" property.
2773 */
wpas_dbus_getter_ap_scan(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2774 dbus_bool_t wpas_dbus_getter_ap_scan(
2775 const struct wpa_dbus_property_desc *property_desc,
2776 DBusMessageIter *iter, DBusError *error, void *user_data)
2777 {
2778 struct wpa_supplicant *wpa_s = user_data;
2779 dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2780
2781 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2782 &ap_scan, error);
2783 }
2784
2785
2786 /**
2787 * wpas_dbus_setter_ap_scan - Control roaming mode
2788 * @iter: Pointer to incoming dbus message iter
2789 * @error: Location to store error on failure
2790 * @user_data: Function specific data
2791 * Returns: TRUE on success, FALSE on failure
2792 *
2793 * Setter function for "ApScan" property.
2794 */
wpas_dbus_setter_ap_scan(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2795 dbus_bool_t wpas_dbus_setter_ap_scan(
2796 const struct wpa_dbus_property_desc *property_desc,
2797 DBusMessageIter *iter, DBusError *error, void *user_data)
2798 {
2799 struct wpa_supplicant *wpa_s = user_data;
2800 dbus_uint32_t ap_scan;
2801
2802 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2803 &ap_scan))
2804 return FALSE;
2805
2806 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2807 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2808 "ap_scan must be 0, 1, or 2");
2809 return FALSE;
2810 }
2811 return TRUE;
2812 }
2813
2814
2815 #ifdef CONFIG_IEEE80211W
2816
2817 /**
2818 * wpas_dbus_getter_pmf - Control PMF default
2819 * @iter: Pointer to incoming dbus message iter
2820 * @error: Location to store error on failure
2821 * @user_data: Function specific data
2822 * Returns: TRUE on success, FALSE on failure
2823 *
2824 * Getter function for "Pmf" property.
2825 */
wpas_dbus_getter_pmf(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2826 dbus_bool_t wpas_dbus_getter_pmf(
2827 const struct wpa_dbus_property_desc *property_desc,
2828 DBusMessageIter *iter, DBusError *error, void *user_data)
2829 {
2830 struct wpa_supplicant *wpa_s = user_data;
2831 dbus_uint32_t pmf = wpa_s->conf->pmf;
2832
2833 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2834 &pmf, error);
2835 }
2836
2837
2838 /**
2839 * wpas_dbus_setter_pmf - Control PMF default
2840 * @iter: Pointer to incoming dbus message iter
2841 * @error: Location to store error on failure
2842 * @user_data: Function specific data
2843 * Returns: TRUE on success, FALSE on failure
2844 *
2845 * Setter function for "Pmf" property.
2846 */
wpas_dbus_setter_pmf(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2847 dbus_bool_t wpas_dbus_setter_pmf(
2848 const struct wpa_dbus_property_desc *property_desc,
2849 DBusMessageIter *iter, DBusError *error, void *user_data)
2850 {
2851 struct wpa_supplicant *wpa_s = user_data;
2852 dbus_uint32_t pmf;
2853
2854 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2855 &pmf))
2856 return FALSE;
2857
2858 if (pmf > 2) {
2859 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2860 "Pmf must be 0, 1, or 2");
2861 return FALSE;
2862 }
2863 wpa_s->conf->pmf = pmf;
2864 return TRUE;
2865 }
2866
2867 #endif /* CONFIG_IEEE80211W */
2868
2869
2870 /**
2871 * wpas_dbus_getter_fast_reauth - Control fast
2872 * reauthentication (TLS session resumption)
2873 * @iter: Pointer to incoming dbus message iter
2874 * @error: Location to store error on failure
2875 * @user_data: Function specific data
2876 * Returns: TRUE on success, FALSE on failure
2877 *
2878 * Getter function for "FastReauth" property.
2879 */
wpas_dbus_getter_fast_reauth(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2880 dbus_bool_t wpas_dbus_getter_fast_reauth(
2881 const struct wpa_dbus_property_desc *property_desc,
2882 DBusMessageIter *iter, DBusError *error, void *user_data)
2883 {
2884 struct wpa_supplicant *wpa_s = user_data;
2885 dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2886
2887 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2888 &fast_reauth, error);
2889 }
2890
2891
2892 /**
2893 * wpas_dbus_setter_fast_reauth - Control fast
2894 * reauthentication (TLS session resumption)
2895 * @iter: Pointer to incoming dbus message iter
2896 * @error: Location to store error on failure
2897 * @user_data: Function specific data
2898 * Returns: TRUE on success, FALSE on failure
2899 *
2900 * Setter function for "FastReauth" property.
2901 */
wpas_dbus_setter_fast_reauth(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2902 dbus_bool_t wpas_dbus_setter_fast_reauth(
2903 const struct wpa_dbus_property_desc *property_desc,
2904 DBusMessageIter *iter, DBusError *error, void *user_data)
2905 {
2906 struct wpa_supplicant *wpa_s = user_data;
2907 dbus_bool_t fast_reauth;
2908
2909 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2910 &fast_reauth))
2911 return FALSE;
2912
2913 wpa_s->conf->fast_reauth = fast_reauth;
2914 return TRUE;
2915 }
2916
2917
2918 /**
2919 * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2920 * @iter: Pointer to incoming dbus message iter
2921 * @error: Location to store error on failure
2922 * @user_data: Function specific data
2923 * Returns: TRUE on success, FALSE on failure
2924 *
2925 * Getter for "DisconnectReason" property. The reason is negative if it is
2926 * locally generated.
2927 */
wpas_dbus_getter_disconnect_reason(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2928 dbus_bool_t wpas_dbus_getter_disconnect_reason(
2929 const struct wpa_dbus_property_desc *property_desc,
2930 DBusMessageIter *iter, DBusError *error, void *user_data)
2931 {
2932 struct wpa_supplicant *wpa_s = user_data;
2933 dbus_int32_t reason = wpa_s->disconnect_reason;
2934
2935 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2936 &reason, error);
2937 }
2938
2939
2940 /**
2941 * wpas_dbus_getter_assoc_status_code - Get most recent failed assoc status code
2942 * @iter: Pointer to incoming dbus message iter
2943 * @error: Location to store error on failure
2944 * @user_data: Function specific data
2945 * Returns: TRUE on success, FALSE on failure
2946 *
2947 * Getter for "AssocStatusCode" property.
2948 */
wpas_dbus_getter_assoc_status_code(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2949 dbus_bool_t wpas_dbus_getter_assoc_status_code(
2950 const struct wpa_dbus_property_desc *property_desc,
2951 DBusMessageIter *iter, DBusError *error, void *user_data)
2952 {
2953 struct wpa_supplicant *wpa_s = user_data;
2954 dbus_int32_t status_code = wpa_s->assoc_status_code;
2955
2956 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2957 &status_code, error);
2958 }
2959
2960
2961 /**
2962 * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2963 * @iter: Pointer to incoming dbus message iter
2964 * @error: Location to store error on failure
2965 * @user_data: Function specific data
2966 * Returns: TRUE on success, FALSE on failure
2967 *
2968 * Getter function for "BSSExpireAge" property.
2969 */
wpas_dbus_getter_bss_expire_age(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2970 dbus_bool_t wpas_dbus_getter_bss_expire_age(
2971 const struct wpa_dbus_property_desc *property_desc,
2972 DBusMessageIter *iter, DBusError *error, void *user_data)
2973 {
2974 struct wpa_supplicant *wpa_s = user_data;
2975 dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2976
2977 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2978 &expire_age, error);
2979 }
2980
2981
2982 /**
2983 * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2984 * @iter: Pointer to incoming dbus message iter
2985 * @error: Location to store error on failure
2986 * @user_data: Function specific data
2987 * Returns: TRUE on success, FALSE on failure
2988 *
2989 * Setter function for "BSSExpireAge" property.
2990 */
wpas_dbus_setter_bss_expire_age(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)2991 dbus_bool_t wpas_dbus_setter_bss_expire_age(
2992 const struct wpa_dbus_property_desc *property_desc,
2993 DBusMessageIter *iter, DBusError *error, void *user_data)
2994 {
2995 struct wpa_supplicant *wpa_s = user_data;
2996 dbus_uint32_t expire_age;
2997
2998 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2999 &expire_age))
3000 return FALSE;
3001
3002 if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
3003 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3004 "BSSExpireAge must be >= 10");
3005 return FALSE;
3006 }
3007 return TRUE;
3008 }
3009
3010
3011 /**
3012 * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
3013 * @iter: Pointer to incoming dbus message iter
3014 * @error: Location to store error on failure
3015 * @user_data: Function specific data
3016 * Returns: TRUE on success, FALSE on failure
3017 *
3018 * Getter function for "BSSExpireCount" property.
3019 */
wpas_dbus_getter_bss_expire_count(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3020 dbus_bool_t wpas_dbus_getter_bss_expire_count(
3021 const struct wpa_dbus_property_desc *property_desc,
3022 DBusMessageIter *iter, DBusError *error, void *user_data)
3023 {
3024 struct wpa_supplicant *wpa_s = user_data;
3025 dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
3026
3027 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
3028 &expire_count, error);
3029 }
3030
3031
3032 /**
3033 * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
3034 * @iter: Pointer to incoming dbus message iter
3035 * @error: Location to store error on failure
3036 * @user_data: Function specific data
3037 * Returns: TRUE on success, FALSE on failure
3038 *
3039 * Setter function for "BSSExpireCount" property.
3040 */
wpas_dbus_setter_bss_expire_count(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3041 dbus_bool_t wpas_dbus_setter_bss_expire_count(
3042 const struct wpa_dbus_property_desc *property_desc,
3043 DBusMessageIter *iter, DBusError *error, void *user_data)
3044 {
3045 struct wpa_supplicant *wpa_s = user_data;
3046 dbus_uint32_t expire_count;
3047
3048 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
3049 &expire_count))
3050 return FALSE;
3051
3052 if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
3053 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3054 "BSSExpireCount must be > 0");
3055 return FALSE;
3056 }
3057 return TRUE;
3058 }
3059
3060
3061 /**
3062 * wpas_dbus_getter_country - Control country code
3063 * @iter: Pointer to incoming dbus message iter
3064 * @error: Location to store error on failure
3065 * @user_data: Function specific data
3066 * Returns: TRUE on success, FALSE on failure
3067 *
3068 * Getter function for "Country" property.
3069 */
wpas_dbus_getter_country(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3070 dbus_bool_t wpas_dbus_getter_country(
3071 const struct wpa_dbus_property_desc *property_desc,
3072 DBusMessageIter *iter, DBusError *error, void *user_data)
3073 {
3074 struct wpa_supplicant *wpa_s = user_data;
3075 char country[3];
3076 char *str = country;
3077
3078 country[0] = wpa_s->conf->country[0];
3079 country[1] = wpa_s->conf->country[1];
3080 country[2] = '\0';
3081
3082 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3083 &str, error);
3084 }
3085
3086
3087 /**
3088 * wpas_dbus_setter_country - Control country code
3089 * @iter: Pointer to incoming dbus message iter
3090 * @error: Location to store error on failure
3091 * @user_data: Function specific data
3092 * Returns: TRUE on success, FALSE on failure
3093 *
3094 * Setter function for "Country" property.
3095 */
wpas_dbus_setter_country(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3096 dbus_bool_t wpas_dbus_setter_country(
3097 const struct wpa_dbus_property_desc *property_desc,
3098 DBusMessageIter *iter, DBusError *error, void *user_data)
3099 {
3100 struct wpa_supplicant *wpa_s = user_data;
3101 const char *country;
3102
3103 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
3104 &country))
3105 return FALSE;
3106
3107 if (!country[0] || !country[1]) {
3108 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3109 "invalid country code");
3110 return FALSE;
3111 }
3112
3113 if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
3114 wpa_printf(MSG_DEBUG, "Failed to set country");
3115 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3116 "failed to set country code");
3117 return FALSE;
3118 }
3119
3120 wpa_s->conf->country[0] = country[0];
3121 wpa_s->conf->country[1] = country[1];
3122 return TRUE;
3123 }
3124
3125
3126 /**
3127 * wpas_dbus_getter_scan_interval - Get scan interval
3128 * @iter: Pointer to incoming dbus message iter
3129 * @error: Location to store error on failure
3130 * @user_data: Function specific data
3131 * Returns: TRUE on success, FALSE on failure
3132 *
3133 * Getter function for "ScanInterval" property.
3134 */
wpas_dbus_getter_scan_interval(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3135 dbus_bool_t wpas_dbus_getter_scan_interval(
3136 const struct wpa_dbus_property_desc *property_desc,
3137 DBusMessageIter *iter, DBusError *error, void *user_data)
3138 {
3139 struct wpa_supplicant *wpa_s = user_data;
3140 dbus_int32_t scan_interval = wpa_s->scan_interval;
3141
3142 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
3143 &scan_interval, error);
3144 }
3145
3146
3147 /**
3148 * wpas_dbus_setter_scan_interval - Control scan interval
3149 * @iter: Pointer to incoming dbus message iter
3150 * @error: Location to store error on failure
3151 * @user_data: Function specific data
3152 * Returns: TRUE on success, FALSE on failure
3153 *
3154 * Setter function for "ScanInterval" property.
3155 */
wpas_dbus_setter_scan_interval(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3156 dbus_bool_t wpas_dbus_setter_scan_interval(
3157 const struct wpa_dbus_property_desc *property_desc,
3158 DBusMessageIter *iter, DBusError *error, void *user_data)
3159 {
3160 struct wpa_supplicant *wpa_s = user_data;
3161 dbus_int32_t scan_interval;
3162
3163 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
3164 &scan_interval))
3165 return FALSE;
3166
3167 if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
3168 dbus_set_error_const(error, DBUS_ERROR_FAILED,
3169 "scan_interval must be >= 0");
3170 return FALSE;
3171 }
3172 return TRUE;
3173 }
3174
3175
3176 /**
3177 * wpas_dbus_getter_ifname - Get interface name
3178 * @iter: Pointer to incoming dbus message iter
3179 * @error: Location to store error on failure
3180 * @user_data: Function specific data
3181 * Returns: TRUE on success, FALSE on failure
3182 *
3183 * Getter for "Ifname" property.
3184 */
wpas_dbus_getter_ifname(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3185 dbus_bool_t wpas_dbus_getter_ifname(
3186 const struct wpa_dbus_property_desc *property_desc,
3187 DBusMessageIter *iter, DBusError *error, void *user_data)
3188 {
3189 struct wpa_supplicant *wpa_s = user_data;
3190
3191 return wpas_dbus_string_property_getter(iter, wpa_s->ifname, error);
3192 }
3193
3194
3195 /**
3196 * wpas_dbus_getter_driver - Get interface name
3197 * @iter: Pointer to incoming dbus message iter
3198 * @error: Location to store error on failure
3199 * @user_data: Function specific data
3200 * Returns: TRUE on success, FALSE on failure
3201 *
3202 * Getter for "Driver" property.
3203 */
wpas_dbus_getter_driver(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3204 dbus_bool_t wpas_dbus_getter_driver(
3205 const struct wpa_dbus_property_desc *property_desc,
3206 DBusMessageIter *iter, DBusError *error, void *user_data)
3207 {
3208 struct wpa_supplicant *wpa_s = user_data;
3209
3210 if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
3211 wpa_printf(MSG_DEBUG, "%s[dbus]: wpa_s has no driver set",
3212 __func__);
3213 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
3214 __func__);
3215 return FALSE;
3216 }
3217
3218 return wpas_dbus_string_property_getter(iter, wpa_s->driver->name,
3219 error);
3220 }
3221
3222
3223 /**
3224 * wpas_dbus_getter_current_bss - Get current bss object path
3225 * @iter: Pointer to incoming dbus message iter
3226 * @error: Location to store error on failure
3227 * @user_data: Function specific data
3228 * Returns: TRUE on success, FALSE on failure
3229 *
3230 * Getter for "CurrentBSS" property.
3231 */
wpas_dbus_getter_current_bss(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3232 dbus_bool_t wpas_dbus_getter_current_bss(
3233 const struct wpa_dbus_property_desc *property_desc,
3234 DBusMessageIter *iter, DBusError *error, void *user_data)
3235 {
3236 struct wpa_supplicant *wpa_s = user_data;
3237 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
3238
3239 if (wpa_s->current_bss && wpa_s->dbus_new_path)
3240 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
3241 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
3242 wpa_s->dbus_new_path, wpa_s->current_bss->id);
3243 else
3244 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
3245
3246 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
3247 &bss_obj_path, error);
3248 }
3249
3250
3251 /**
3252 * wpas_dbus_getter_current_network - Get current network object path
3253 * @iter: Pointer to incoming dbus message iter
3254 * @error: Location to store error on failure
3255 * @user_data: Function specific data
3256 * Returns: TRUE on success, FALSE on failure
3257 *
3258 * Getter for "CurrentNetwork" property.
3259 */
wpas_dbus_getter_current_network(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3260 dbus_bool_t wpas_dbus_getter_current_network(
3261 const struct wpa_dbus_property_desc *property_desc,
3262 DBusMessageIter *iter, DBusError *error, void *user_data)
3263 {
3264 struct wpa_supplicant *wpa_s = user_data;
3265 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
3266
3267 if (wpa_s->current_ssid && wpa_s->dbus_new_path)
3268 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
3269 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
3270 wpa_s->dbus_new_path, wpa_s->current_ssid->id);
3271 else
3272 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
3273
3274 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
3275 &net_obj_path, error);
3276 }
3277
3278
3279 /**
3280 * wpas_dbus_getter_current_auth_mode - Get current authentication type
3281 * @iter: Pointer to incoming dbus message iter
3282 * @error: Location to store error on failure
3283 * @user_data: Function specific data
3284 * Returns: TRUE on success, FALSE on failure
3285 *
3286 * Getter for "CurrentAuthMode" property.
3287 */
wpas_dbus_getter_current_auth_mode(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3288 dbus_bool_t wpas_dbus_getter_current_auth_mode(
3289 const struct wpa_dbus_property_desc *property_desc,
3290 DBusMessageIter *iter, DBusError *error, void *user_data)
3291 {
3292 struct wpa_supplicant *wpa_s = user_data;
3293 const char *eap_mode;
3294 const char *auth_mode;
3295 char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
3296
3297 if (wpa_s->wpa_state != WPA_COMPLETED) {
3298 auth_mode = "INACTIVE";
3299 } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
3300 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
3301 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
3302 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
3303 "EAP-%s", eap_mode);
3304 auth_mode = eap_mode_buf;
3305
3306 } else if (wpa_s->current_ssid) {
3307 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
3308 wpa_s->current_ssid->proto);
3309 } else {
3310 auth_mode = "UNKNOWN";
3311 }
3312
3313 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3314 &auth_mode, error);
3315 }
3316
3317
3318 /**
3319 * wpas_dbus_getter_bridge_ifname - Get interface name
3320 * @iter: Pointer to incoming dbus message iter
3321 * @error: Location to store error on failure
3322 * @user_data: Function specific data
3323 * Returns: TRUE on success, FALSE on failure
3324 *
3325 * Getter for "BridgeIfname" property.
3326 */
wpas_dbus_getter_bridge_ifname(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3327 dbus_bool_t wpas_dbus_getter_bridge_ifname(
3328 const struct wpa_dbus_property_desc *property_desc,
3329 DBusMessageIter *iter, DBusError *error, void *user_data)
3330 {
3331 struct wpa_supplicant *wpa_s = user_data;
3332
3333 return wpas_dbus_string_property_getter(iter, wpa_s->bridge_ifname,
3334 error);
3335 }
3336
3337
3338 /**
3339 * wpas_dbus_getter_config_file - Get interface configuration file path
3340 * @iter: Pointer to incoming dbus message iter
3341 * @error: Location to store error on failure
3342 * @user_data: Function specific data
3343 * Returns: TRUE on success, FALSE on failure
3344 *
3345 * Getter for "ConfigFile" property.
3346 */
wpas_dbus_getter_config_file(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3347 dbus_bool_t wpas_dbus_getter_config_file(
3348 const struct wpa_dbus_property_desc *property_desc,
3349 DBusMessageIter *iter, DBusError *error, void *user_data)
3350 {
3351 struct wpa_supplicant *wpa_s = user_data;
3352
3353 return wpas_dbus_string_property_getter(iter, wpa_s->confname, error);
3354 }
3355
3356
3357 /**
3358 * wpas_dbus_getter_bsss - Get array of BSSs objects
3359 * @iter: Pointer to incoming dbus message iter
3360 * @error: Location to store error on failure
3361 * @user_data: Function specific data
3362 * Returns: TRUE on success, FALSE on failure
3363 *
3364 * Getter for "BSSs" property.
3365 */
wpas_dbus_getter_bsss(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3366 dbus_bool_t wpas_dbus_getter_bsss(
3367 const struct wpa_dbus_property_desc *property_desc,
3368 DBusMessageIter *iter, DBusError *error, void *user_data)
3369 {
3370 struct wpa_supplicant *wpa_s = user_data;
3371 struct wpa_bss *bss;
3372 char **paths;
3373 unsigned int i = 0;
3374 dbus_bool_t success = FALSE;
3375
3376 if (!wpa_s->dbus_new_path) {
3377 dbus_set_error(error, DBUS_ERROR_FAILED,
3378 "%s: no D-Bus interface", __func__);
3379 return FALSE;
3380 }
3381
3382 paths = os_calloc(wpa_s->num_bss, sizeof(char *));
3383 if (!paths) {
3384 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3385 return FALSE;
3386 }
3387
3388 /* Loop through scan results and append each result's object path */
3389 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
3390 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
3391 if (paths[i] == NULL) {
3392 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3393 "no memory");
3394 goto out;
3395 }
3396 /* Construct the object path for this BSS. */
3397 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
3398 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
3399 wpa_s->dbus_new_path, bss->id);
3400 }
3401
3402 success = wpas_dbus_simple_array_property_getter(iter,
3403 DBUS_TYPE_OBJECT_PATH,
3404 paths, wpa_s->num_bss,
3405 error);
3406
3407 out:
3408 while (i)
3409 os_free(paths[--i]);
3410 os_free(paths);
3411 return success;
3412 }
3413
3414
3415 /**
3416 * wpas_dbus_getter_networks - Get array of networks objects
3417 * @iter: Pointer to incoming dbus message iter
3418 * @error: Location to store error on failure
3419 * @user_data: Function specific data
3420 * Returns: TRUE on success, FALSE on failure
3421 *
3422 * Getter for "Networks" property.
3423 */
wpas_dbus_getter_networks(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3424 dbus_bool_t wpas_dbus_getter_networks(
3425 const struct wpa_dbus_property_desc *property_desc,
3426 DBusMessageIter *iter, DBusError *error, void *user_data)
3427 {
3428 struct wpa_supplicant *wpa_s = user_data;
3429 struct wpa_ssid *ssid;
3430 char **paths;
3431 unsigned int i = 0, num = 0;
3432 dbus_bool_t success = FALSE;
3433
3434 if (!wpa_s->dbus_new_path) {
3435 dbus_set_error(error, DBUS_ERROR_FAILED,
3436 "%s: no D-Bus interface", __func__);
3437 return FALSE;
3438 }
3439
3440 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
3441 if (!network_is_persistent_group(ssid))
3442 num++;
3443
3444 paths = os_calloc(num, sizeof(char *));
3445 if (!paths) {
3446 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
3447 return FALSE;
3448 }
3449
3450 /* Loop through configured networks and append object path of each */
3451 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
3452 if (network_is_persistent_group(ssid))
3453 continue;
3454 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
3455 if (paths[i] == NULL) {
3456 dbus_set_error(error, DBUS_ERROR_NO_MEMORY,
3457 "no memory");
3458 goto out;
3459 }
3460
3461 /* Construct the object path for this network. */
3462 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
3463 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
3464 wpa_s->dbus_new_path, ssid->id);
3465 }
3466
3467 success = wpas_dbus_simple_array_property_getter(iter,
3468 DBUS_TYPE_OBJECT_PATH,
3469 paths, num, error);
3470
3471 out:
3472 while (i)
3473 os_free(paths[--i]);
3474 os_free(paths);
3475 return success;
3476 }
3477
3478
3479 /**
3480 * wpas_dbus_getter_pkcs11_engine_path - Get PKCS #11 engine path
3481 * @iter: Pointer to incoming dbus message iter
3482 * @error: Location to store error on failure
3483 * @user_data: Function specific data
3484 * Returns: A dbus message containing the PKCS #11 engine path
3485 *
3486 * Getter for "PKCS11EnginePath" property.
3487 */
wpas_dbus_getter_pkcs11_engine_path(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3488 dbus_bool_t wpas_dbus_getter_pkcs11_engine_path(
3489 const struct wpa_dbus_property_desc *property_desc,
3490 DBusMessageIter *iter, DBusError *error, void *user_data)
3491 {
3492 struct wpa_supplicant *wpa_s = user_data;
3493
3494 return wpas_dbus_string_property_getter(iter,
3495 wpa_s->conf->pkcs11_engine_path,
3496 error);
3497 }
3498
3499
3500 /**
3501 * wpas_dbus_getter_pkcs11_module_path - Get PKCS #11 module path
3502 * @iter: Pointer to incoming dbus message iter
3503 * @error: Location to store error on failure
3504 * @user_data: Function specific data
3505 * Returns: A dbus message containing the PKCS #11 module path
3506 *
3507 * Getter for "PKCS11ModulePath" property.
3508 */
wpas_dbus_getter_pkcs11_module_path(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3509 dbus_bool_t wpas_dbus_getter_pkcs11_module_path(
3510 const struct wpa_dbus_property_desc *property_desc,
3511 DBusMessageIter *iter, DBusError *error, void *user_data)
3512 {
3513 struct wpa_supplicant *wpa_s = user_data;
3514
3515 return wpas_dbus_string_property_getter(iter,
3516 wpa_s->conf->pkcs11_module_path,
3517 error);
3518 }
3519
3520
3521 /**
3522 * wpas_dbus_getter_blobs - Get all blobs defined for this interface
3523 * @iter: Pointer to incoming dbus message iter
3524 * @error: Location to store error on failure
3525 * @user_data: Function specific data
3526 * Returns: TRUE on success, FALSE on failure
3527 *
3528 * Getter for "Blobs" property.
3529 */
wpas_dbus_getter_blobs(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3530 dbus_bool_t wpas_dbus_getter_blobs(
3531 const struct wpa_dbus_property_desc *property_desc,
3532 DBusMessageIter *iter, DBusError *error, void *user_data)
3533 {
3534 struct wpa_supplicant *wpa_s = user_data;
3535 DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
3536 struct wpa_config_blob *blob;
3537
3538 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3539 "a{say}", &variant_iter) ||
3540 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
3541 "{say}", &dict_iter)) {
3542 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3543 return FALSE;
3544 }
3545
3546 blob = wpa_s->conf->blobs;
3547 while (blob) {
3548 if (!dbus_message_iter_open_container(&dict_iter,
3549 DBUS_TYPE_DICT_ENTRY,
3550 NULL, &entry_iter) ||
3551 !dbus_message_iter_append_basic(&entry_iter,
3552 DBUS_TYPE_STRING,
3553 &(blob->name)) ||
3554 !dbus_message_iter_open_container(&entry_iter,
3555 DBUS_TYPE_ARRAY,
3556 DBUS_TYPE_BYTE_AS_STRING,
3557 &array_iter) ||
3558 !dbus_message_iter_append_fixed_array(&array_iter,
3559 DBUS_TYPE_BYTE,
3560 &(blob->data),
3561 blob->len) ||
3562 !dbus_message_iter_close_container(&entry_iter,
3563 &array_iter) ||
3564 !dbus_message_iter_close_container(&dict_iter,
3565 &entry_iter)) {
3566 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3567 "no memory");
3568 return FALSE;
3569 }
3570
3571 blob = blob->next;
3572 }
3573
3574 if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
3575 !dbus_message_iter_close_container(iter, &variant_iter)) {
3576 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3577 return FALSE;
3578 }
3579
3580 return TRUE;
3581 }
3582
3583
wpas_dbus_getter_iface_global(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3584 dbus_bool_t wpas_dbus_getter_iface_global(
3585 const struct wpa_dbus_property_desc *property_desc,
3586 DBusMessageIter *iter, DBusError *error, void *user_data)
3587 {
3588 struct wpa_supplicant *wpa_s = user_data;
3589 int ret;
3590 char buf[250];
3591 char *p = buf;
3592
3593 if (!property_desc->data) {
3594 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
3595 "Unhandled interface property %s",
3596 property_desc->dbus_property);
3597 return FALSE;
3598 }
3599
3600 ret = wpa_config_get_value(property_desc->data, wpa_s->conf, buf,
3601 sizeof(buf));
3602 if (ret < 0)
3603 *p = '\0';
3604
3605 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &p,
3606 error);
3607 }
3608
3609
wpas_dbus_setter_iface_global(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3610 dbus_bool_t wpas_dbus_setter_iface_global(
3611 const struct wpa_dbus_property_desc *property_desc,
3612 DBusMessageIter *iter, DBusError *error, void *user_data)
3613 {
3614 struct wpa_supplicant *wpa_s = user_data;
3615 const char *new_value = NULL;
3616 char buf[250];
3617 size_t combined_len;
3618 int ret;
3619
3620 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
3621 &new_value))
3622 return FALSE;
3623
3624 combined_len = os_strlen(property_desc->data) + os_strlen(new_value) +
3625 3;
3626 if (combined_len >= sizeof(buf)) {
3627 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
3628 "Interface property %s value too large",
3629 property_desc->dbus_property);
3630 return FALSE;
3631 }
3632
3633 if (!new_value[0])
3634 new_value = "NULL";
3635
3636 ret = os_snprintf(buf, combined_len, "%s=%s", property_desc->data,
3637 new_value);
3638 if (os_snprintf_error(combined_len, ret)) {
3639 dbus_set_error(error, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
3640 "Failed to construct new interface property %s",
3641 property_desc->dbus_property);
3642 return FALSE;
3643 }
3644
3645 if (wpa_config_process_global(wpa_s->conf, buf, -1)) {
3646 dbus_set_error(error, DBUS_ERROR_INVALID_ARGS,
3647 "Failed to set interface property %s",
3648 property_desc->dbus_property);
3649 return FALSE;
3650 }
3651
3652 wpa_supplicant_update_config(wpa_s);
3653 return TRUE;
3654 }
3655
3656
get_bss_helper(struct bss_handler_args * args,DBusError * error,const char * func_name)3657 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
3658 DBusError *error, const char *func_name)
3659 {
3660 struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
3661
3662 if (!res) {
3663 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
3664 func_name, args->id);
3665 dbus_set_error(error, DBUS_ERROR_FAILED,
3666 "%s: BSS %d not found",
3667 func_name, args->id);
3668 }
3669
3670 return res;
3671 }
3672
3673
3674 /**
3675 * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
3676 * @iter: Pointer to incoming dbus message iter
3677 * @error: Location to store error on failure
3678 * @user_data: Function specific data
3679 * Returns: TRUE on success, FALSE on failure
3680 *
3681 * Getter for "BSSID" property.
3682 */
wpas_dbus_getter_bss_bssid(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3683 dbus_bool_t wpas_dbus_getter_bss_bssid(
3684 const struct wpa_dbus_property_desc *property_desc,
3685 DBusMessageIter *iter, DBusError *error, void *user_data)
3686 {
3687 struct bss_handler_args *args = user_data;
3688 struct wpa_bss *res;
3689
3690 res = get_bss_helper(args, error, __func__);
3691 if (!res)
3692 return FALSE;
3693
3694 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3695 res->bssid, ETH_ALEN,
3696 error);
3697 }
3698
3699
3700 /**
3701 * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3702 * @iter: Pointer to incoming dbus message iter
3703 * @error: Location to store error on failure
3704 * @user_data: Function specific data
3705 * Returns: TRUE on success, FALSE on failure
3706 *
3707 * Getter for "SSID" property.
3708 */
wpas_dbus_getter_bss_ssid(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3709 dbus_bool_t wpas_dbus_getter_bss_ssid(
3710 const struct wpa_dbus_property_desc *property_desc,
3711 DBusMessageIter *iter, DBusError *error, void *user_data)
3712 {
3713 struct bss_handler_args *args = user_data;
3714 struct wpa_bss *res;
3715
3716 res = get_bss_helper(args, error, __func__);
3717 if (!res)
3718 return FALSE;
3719
3720 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3721 res->ssid, res->ssid_len,
3722 error);
3723 }
3724
3725
3726 /**
3727 * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3728 * @iter: Pointer to incoming dbus message iter
3729 * @error: Location to store error on failure
3730 * @user_data: Function specific data
3731 * Returns: TRUE on success, FALSE on failure
3732 *
3733 * Getter for "Privacy" property.
3734 */
wpas_dbus_getter_bss_privacy(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3735 dbus_bool_t wpas_dbus_getter_bss_privacy(
3736 const struct wpa_dbus_property_desc *property_desc,
3737 DBusMessageIter *iter, DBusError *error, void *user_data)
3738 {
3739 struct bss_handler_args *args = user_data;
3740 struct wpa_bss *res;
3741 dbus_bool_t privacy;
3742
3743 res = get_bss_helper(args, error, __func__);
3744 if (!res)
3745 return FALSE;
3746
3747 privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3748 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3749 &privacy, error);
3750 }
3751
3752
3753 /**
3754 * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3755 * @iter: Pointer to incoming dbus message iter
3756 * @error: Location to store error on failure
3757 * @user_data: Function specific data
3758 * Returns: TRUE on success, FALSE on failure
3759 *
3760 * Getter for "Mode" property.
3761 */
wpas_dbus_getter_bss_mode(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3762 dbus_bool_t wpas_dbus_getter_bss_mode(
3763 const struct wpa_dbus_property_desc *property_desc,
3764 DBusMessageIter *iter, DBusError *error, void *user_data)
3765 {
3766 struct bss_handler_args *args = user_data;
3767 struct wpa_bss *res;
3768 const char *mode;
3769 const u8 *mesh;
3770
3771 res = get_bss_helper(args, error, __func__);
3772 if (!res)
3773 return FALSE;
3774 if (bss_is_dmg(res)) {
3775 switch (res->caps & IEEE80211_CAP_DMG_MASK) {
3776 case IEEE80211_CAP_DMG_PBSS:
3777 case IEEE80211_CAP_DMG_IBSS:
3778 mode = "ad-hoc";
3779 break;
3780 case IEEE80211_CAP_DMG_AP:
3781 mode = "infrastructure";
3782 break;
3783 default:
3784 mode = "";
3785 break;
3786 }
3787 } else {
3788 mesh = wpa_bss_get_ie(res, WLAN_EID_MESH_ID);
3789 if (mesh)
3790 mode = "mesh";
3791 else if (res->caps & IEEE80211_CAP_IBSS)
3792 mode = "ad-hoc";
3793 else
3794 mode = "infrastructure";
3795 }
3796
3797 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3798 &mode, error);
3799 }
3800
3801
3802 /**
3803 * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3804 * @iter: Pointer to incoming dbus message iter
3805 * @error: Location to store error on failure
3806 * @user_data: Function specific data
3807 * Returns: TRUE on success, FALSE on failure
3808 *
3809 * Getter for "Level" property.
3810 */
wpas_dbus_getter_bss_signal(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3811 dbus_bool_t wpas_dbus_getter_bss_signal(
3812 const struct wpa_dbus_property_desc *property_desc,
3813 DBusMessageIter *iter, DBusError *error, void *user_data)
3814 {
3815 struct bss_handler_args *args = user_data;
3816 struct wpa_bss *res;
3817 s16 level;
3818
3819 res = get_bss_helper(args, error, __func__);
3820 if (!res)
3821 return FALSE;
3822
3823 level = (s16) res->level;
3824 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3825 &level, error);
3826 }
3827
3828
3829 /**
3830 * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3831 * @iter: Pointer to incoming dbus message iter
3832 * @error: Location to store error on failure
3833 * @user_data: Function specific data
3834 * Returns: TRUE on success, FALSE on failure
3835 *
3836 * Getter for "Frequency" property.
3837 */
wpas_dbus_getter_bss_frequency(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3838 dbus_bool_t wpas_dbus_getter_bss_frequency(
3839 const struct wpa_dbus_property_desc *property_desc,
3840 DBusMessageIter *iter, DBusError *error, void *user_data)
3841 {
3842 struct bss_handler_args *args = user_data;
3843 struct wpa_bss *res;
3844 u16 freq;
3845
3846 res = get_bss_helper(args, error, __func__);
3847 if (!res)
3848 return FALSE;
3849
3850 freq = (u16) res->freq;
3851 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3852 &freq, error);
3853 }
3854
3855
cmp_u8s_desc(const void * a,const void * b)3856 static int cmp_u8s_desc(const void *a, const void *b)
3857 {
3858 return (*(u8 *) b - *(u8 *) a);
3859 }
3860
3861
3862 /**
3863 * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3864 * @iter: Pointer to incoming dbus message iter
3865 * @error: Location to store error on failure
3866 * @user_data: Function specific data
3867 * Returns: TRUE on success, FALSE on failure
3868 *
3869 * Getter for "Rates" property.
3870 */
wpas_dbus_getter_bss_rates(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)3871 dbus_bool_t wpas_dbus_getter_bss_rates(
3872 const struct wpa_dbus_property_desc *property_desc,
3873 DBusMessageIter *iter, DBusError *error, void *user_data)
3874 {
3875 struct bss_handler_args *args = user_data;
3876 struct wpa_bss *res;
3877 u8 *ie_rates = NULL;
3878 u32 *real_rates;
3879 int rates_num, i;
3880 dbus_bool_t success = FALSE;
3881
3882 res = get_bss_helper(args, error, __func__);
3883 if (!res)
3884 return FALSE;
3885
3886 rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3887 if (rates_num < 0)
3888 return FALSE;
3889
3890 qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3891
3892 real_rates = os_malloc(sizeof(u32) * rates_num);
3893 if (!real_rates) {
3894 os_free(ie_rates);
3895 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3896 return FALSE;
3897 }
3898
3899 for (i = 0; i < rates_num; i++)
3900 real_rates[i] = ie_rates[i] * 500000;
3901
3902 success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3903 real_rates, rates_num,
3904 error);
3905
3906 os_free(ie_rates);
3907 os_free(real_rates);
3908 return success;
3909 }
3910
3911
wpas_dbus_get_bss_security_prop(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,struct wpa_ie_data * ie_data,DBusError * error)3912 static dbus_bool_t wpas_dbus_get_bss_security_prop(
3913 const struct wpa_dbus_property_desc *property_desc,
3914 DBusMessageIter *iter, struct wpa_ie_data *ie_data, DBusError *error)
3915 {
3916 DBusMessageIter iter_dict, variant_iter;
3917 const char *group;
3918 const char *pairwise[5]; /* max 5 pairwise ciphers is supported */
3919 const char *key_mgmt[9]; /* max 9 key managements may be supported */
3920 int n;
3921
3922 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3923 "a{sv}", &variant_iter))
3924 goto nomem;
3925
3926 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3927 goto nomem;
3928
3929 /* KeyMgmt */
3930 n = 0;
3931 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3932 key_mgmt[n++] = "wpa-psk";
3933 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3934 key_mgmt[n++] = "wpa-ft-psk";
3935 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3936 key_mgmt[n++] = "wpa-psk-sha256";
3937 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3938 key_mgmt[n++] = "wpa-eap";
3939 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3940 key_mgmt[n++] = "wpa-ft-eap";
3941 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3942 key_mgmt[n++] = "wpa-eap-sha256";
3943 #ifdef CONFIG_SUITEB
3944 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
3945 key_mgmt[n++] = "wpa-eap-suite-b";
3946 #endif /* CONFIG_SUITEB */
3947 #ifdef CONFIG_SUITEB192
3948 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
3949 key_mgmt[n++] = "wpa-eap-suite-b-192";
3950 #endif /* CONFIG_SUITEB192 */
3951 if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3952 key_mgmt[n++] = "wpa-none";
3953
3954 if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3955 key_mgmt, n))
3956 goto nomem;
3957
3958 /* Group */
3959 switch (ie_data->group_cipher) {
3960 case WPA_CIPHER_WEP40:
3961 group = "wep40";
3962 break;
3963 case WPA_CIPHER_TKIP:
3964 group = "tkip";
3965 break;
3966 case WPA_CIPHER_CCMP:
3967 group = "ccmp";
3968 break;
3969 case WPA_CIPHER_GCMP:
3970 group = "gcmp";
3971 break;
3972 case WPA_CIPHER_WEP104:
3973 group = "wep104";
3974 break;
3975 case WPA_CIPHER_CCMP_256:
3976 group = "ccmp-256";
3977 break;
3978 case WPA_CIPHER_GCMP_256:
3979 group = "gcmp-256";
3980 break;
3981 default:
3982 group = "";
3983 break;
3984 }
3985
3986 if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3987 goto nomem;
3988
3989 /* Pairwise */
3990 n = 0;
3991 if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3992 pairwise[n++] = "tkip";
3993 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3994 pairwise[n++] = "ccmp";
3995 if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3996 pairwise[n++] = "gcmp";
3997 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP_256)
3998 pairwise[n++] = "ccmp-256";
3999 if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP_256)
4000 pairwise[n++] = "gcmp-256";
4001
4002 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
4003 pairwise, n))
4004 goto nomem;
4005
4006 /* Management group (RSN only) */
4007 if (ie_data->proto == WPA_PROTO_RSN) {
4008 switch (ie_data->mgmt_group_cipher) {
4009 #ifdef CONFIG_IEEE80211W
4010 case WPA_CIPHER_AES_128_CMAC:
4011 group = "aes128cmac";
4012 break;
4013 #endif /* CONFIG_IEEE80211W */
4014 default:
4015 group = "";
4016 break;
4017 }
4018
4019 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
4020 group))
4021 goto nomem;
4022 }
4023
4024 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
4025 !dbus_message_iter_close_container(iter, &variant_iter))
4026 goto nomem;
4027
4028 return TRUE;
4029
4030 nomem:
4031 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
4032 return FALSE;
4033 }
4034
4035
4036 /**
4037 * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
4038 * @iter: Pointer to incoming dbus message iter
4039 * @error: Location to store error on failure
4040 * @user_data: Function specific data
4041 * Returns: TRUE on success, FALSE on failure
4042 *
4043 * Getter for "WPA" property.
4044 */
wpas_dbus_getter_bss_wpa(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4045 dbus_bool_t wpas_dbus_getter_bss_wpa(
4046 const struct wpa_dbus_property_desc *property_desc,
4047 DBusMessageIter *iter, DBusError *error, void *user_data)
4048 {
4049 struct bss_handler_args *args = user_data;
4050 struct wpa_bss *res;
4051 struct wpa_ie_data wpa_data;
4052 const u8 *ie;
4053
4054 res = get_bss_helper(args, error, __func__);
4055 if (!res)
4056 return FALSE;
4057
4058 os_memset(&wpa_data, 0, sizeof(wpa_data));
4059 ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
4060 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
4061 dbus_set_error_const(error, DBUS_ERROR_FAILED,
4062 "failed to parse WPA IE");
4063 return FALSE;
4064 }
4065
4066 return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
4067 }
4068
4069
4070 /**
4071 * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
4072 * @iter: Pointer to incoming dbus message iter
4073 * @error: Location to store error on failure
4074 * @user_data: Function specific data
4075 * Returns: TRUE on success, FALSE on failure
4076 *
4077 * Getter for "RSN" property.
4078 */
wpas_dbus_getter_bss_rsn(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4079 dbus_bool_t wpas_dbus_getter_bss_rsn(
4080 const struct wpa_dbus_property_desc *property_desc,
4081 DBusMessageIter *iter, DBusError *error, void *user_data)
4082 {
4083 struct bss_handler_args *args = user_data;
4084 struct wpa_bss *res;
4085 struct wpa_ie_data wpa_data;
4086 const u8 *ie;
4087
4088 res = get_bss_helper(args, error, __func__);
4089 if (!res)
4090 return FALSE;
4091
4092 os_memset(&wpa_data, 0, sizeof(wpa_data));
4093 ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
4094 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
4095 dbus_set_error_const(error, DBUS_ERROR_FAILED,
4096 "failed to parse RSN IE");
4097 return FALSE;
4098 }
4099
4100 return wpas_dbus_get_bss_security_prop(property_desc, iter, &wpa_data, error);
4101 }
4102
4103
4104 /**
4105 * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
4106 * @iter: Pointer to incoming dbus message iter
4107 * @error: Location to store error on failure
4108 * @user_data: Function specific data
4109 * Returns: TRUE on success, FALSE on failure
4110 *
4111 * Getter for "WPS" property.
4112 */
wpas_dbus_getter_bss_wps(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4113 dbus_bool_t wpas_dbus_getter_bss_wps(
4114 const struct wpa_dbus_property_desc *property_desc,
4115 DBusMessageIter *iter, DBusError *error, void *user_data)
4116 {
4117 struct bss_handler_args *args = user_data;
4118 struct wpa_bss *res;
4119 #ifdef CONFIG_WPS
4120 struct wpabuf *wps_ie;
4121 #endif /* CONFIG_WPS */
4122 DBusMessageIter iter_dict, variant_iter;
4123 int wps_support = 0;
4124 const char *type = "";
4125
4126 res = get_bss_helper(args, error, __func__);
4127 if (!res)
4128 return FALSE;
4129
4130 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
4131 "a{sv}", &variant_iter) ||
4132 !wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
4133 goto nomem;
4134
4135 #ifdef CONFIG_WPS
4136 wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
4137 if (wps_ie) {
4138 wps_support = 1;
4139 if (wps_is_selected_pbc_registrar(wps_ie))
4140 type = "pbc";
4141 else if (wps_is_selected_pin_registrar(wps_ie))
4142 type = "pin";
4143
4144 wpabuf_free(wps_ie);
4145 }
4146 #endif /* CONFIG_WPS */
4147
4148 if ((wps_support && !wpa_dbus_dict_append_string(&iter_dict, "Type", type)) ||
4149 !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
4150 !dbus_message_iter_close_container(iter, &variant_iter))
4151 goto nomem;
4152
4153 return TRUE;
4154
4155 nomem:
4156 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
4157 return FALSE;
4158 }
4159
4160
4161 /**
4162 * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
4163 * @iter: Pointer to incoming dbus message iter
4164 * @error: Location to store error on failure
4165 * @user_data: Function specific data
4166 * Returns: TRUE on success, FALSE on failure
4167 *
4168 * Getter for "IEs" property.
4169 */
wpas_dbus_getter_bss_ies(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4170 dbus_bool_t wpas_dbus_getter_bss_ies(
4171 const struct wpa_dbus_property_desc *property_desc,
4172 DBusMessageIter *iter, DBusError *error, void *user_data)
4173 {
4174 struct bss_handler_args *args = user_data;
4175 struct wpa_bss *res;
4176
4177 res = get_bss_helper(args, error, __func__);
4178 if (!res)
4179 return FALSE;
4180
4181 return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
4182 res + 1, res->ie_len,
4183 error);
4184 }
4185
4186
4187 /**
4188 * wpas_dbus_getter_bss_age - Return time in seconds since BSS was last seen
4189 * @iter: Pointer to incoming dbus message iter
4190 * @error: Location to store error on failure
4191 * @user_data: Function specific data
4192 * Returns: TRUE on success, FALSE on failure
4193 *
4194 * Getter for BSS age
4195 */
wpas_dbus_getter_bss_age(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4196 dbus_bool_t wpas_dbus_getter_bss_age(
4197 const struct wpa_dbus_property_desc *property_desc,
4198 DBusMessageIter *iter, DBusError *error, void *user_data)
4199 {
4200 struct bss_handler_args *args = user_data;
4201 struct wpa_bss *res;
4202 struct os_reltime now, diff = { 0, 0 };
4203 u32 age;
4204
4205 res = get_bss_helper(args, error, __func__);
4206 if (!res)
4207 return FALSE;
4208
4209 os_get_reltime(&now);
4210 os_reltime_sub(&now, &res->last_update, &diff);
4211 age = diff.sec > 0 ? diff.sec : 0;
4212 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32, &age,
4213 error);
4214 }
4215
4216
4217 /**
4218 * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
4219 * @iter: Pointer to incoming dbus message iter
4220 * @error: Location to store error on failure
4221 * @user_data: Function specific data
4222 * Returns: TRUE on success, FALSE on failure
4223 *
4224 * Getter for "enabled" property of a configured network.
4225 */
wpas_dbus_getter_enabled(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4226 dbus_bool_t wpas_dbus_getter_enabled(
4227 const struct wpa_dbus_property_desc *property_desc,
4228 DBusMessageIter *iter, DBusError *error, void *user_data)
4229 {
4230 struct network_handler_args *net = user_data;
4231 dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
4232
4233 return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
4234 &enabled, error);
4235 }
4236
4237
4238 /**
4239 * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
4240 * @iter: Pointer to incoming dbus message iter
4241 * @error: Location to store error on failure
4242 * @user_data: Function specific data
4243 * Returns: TRUE on success, FALSE on failure
4244 *
4245 * Setter for "Enabled" property of a configured network.
4246 */
wpas_dbus_setter_enabled(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4247 dbus_bool_t wpas_dbus_setter_enabled(
4248 const struct wpa_dbus_property_desc *property_desc,
4249 DBusMessageIter *iter, DBusError *error, void *user_data)
4250 {
4251 struct network_handler_args *net = user_data;
4252 struct wpa_supplicant *wpa_s;
4253 struct wpa_ssid *ssid;
4254 dbus_bool_t enable;
4255
4256 if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
4257 &enable))
4258 return FALSE;
4259
4260 wpa_s = net->wpa_s;
4261 ssid = net->ssid;
4262
4263 if (enable)
4264 wpa_supplicant_enable_network(wpa_s, ssid);
4265 else
4266 wpa_supplicant_disable_network(wpa_s, ssid);
4267
4268 return TRUE;
4269 }
4270
4271
4272 /**
4273 * wpas_dbus_getter_network_properties - Get options for a configured network
4274 * @iter: Pointer to incoming dbus message iter
4275 * @error: Location to store error on failure
4276 * @user_data: Function specific data
4277 * Returns: TRUE on success, FALSE on failure
4278 *
4279 * Getter for "Properties" property of a configured network.
4280 */
wpas_dbus_getter_network_properties(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4281 dbus_bool_t wpas_dbus_getter_network_properties(
4282 const struct wpa_dbus_property_desc *property_desc,
4283 DBusMessageIter *iter, DBusError *error, void *user_data)
4284 {
4285 struct network_handler_args *net = user_data;
4286 DBusMessageIter variant_iter, dict_iter;
4287 char **iterator;
4288 char **props = wpa_config_get_all(net->ssid, 1);
4289 dbus_bool_t success = FALSE;
4290
4291 if (!props) {
4292 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
4293 return FALSE;
4294 }
4295
4296 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
4297 &variant_iter) ||
4298 !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
4299 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
4300 goto out;
4301 }
4302
4303 iterator = props;
4304 while (*iterator) {
4305 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
4306 *(iterator + 1))) {
4307 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
4308 "no memory");
4309 goto out;
4310 }
4311 iterator += 2;
4312 }
4313
4314
4315 if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
4316 !dbus_message_iter_close_container(iter, &variant_iter)) {
4317 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
4318 goto out;
4319 }
4320
4321 success = TRUE;
4322
4323 out:
4324 iterator = props;
4325 while (*iterator) {
4326 os_free(*iterator);
4327 iterator++;
4328 }
4329 os_free(props);
4330 return success;
4331 }
4332
4333
4334 /**
4335 * wpas_dbus_setter_network_properties - Set options for a configured network
4336 * @iter: Pointer to incoming dbus message iter
4337 * @error: Location to store error on failure
4338 * @user_data: Function specific data
4339 * Returns: TRUE on success, FALSE on failure
4340 *
4341 * Setter for "Properties" property of a configured network.
4342 */
wpas_dbus_setter_network_properties(const struct wpa_dbus_property_desc * property_desc,DBusMessageIter * iter,DBusError * error,void * user_data)4343 dbus_bool_t wpas_dbus_setter_network_properties(
4344 const struct wpa_dbus_property_desc *property_desc,
4345 DBusMessageIter *iter, DBusError *error, void *user_data)
4346 {
4347 struct network_handler_args *net = user_data;
4348 struct wpa_ssid *ssid = net->ssid;
4349 DBusMessageIter variant_iter;
4350
4351 dbus_message_iter_recurse(iter, &variant_iter);
4352 return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
4353 }
4354
4355
4356 #ifdef CONFIG_AP
4357
wpas_dbus_handler_subscribe_preq(DBusMessage * message,struct wpa_supplicant * wpa_s)4358 DBusMessage * wpas_dbus_handler_subscribe_preq(
4359 DBusMessage *message, struct wpa_supplicant *wpa_s)
4360 {
4361 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
4362 char *name;
4363
4364 if (wpa_s->preq_notify_peer != NULL) {
4365 if (os_strcmp(dbus_message_get_sender(message),
4366 wpa_s->preq_notify_peer) == 0)
4367 return NULL;
4368
4369 return dbus_message_new_error(message,
4370 WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
4371 "Another application is already subscribed");
4372 }
4373
4374 name = os_strdup(dbus_message_get_sender(message));
4375 if (!name)
4376 return wpas_dbus_error_no_memory(message);
4377
4378 wpa_s->preq_notify_peer = name;
4379
4380 /* Subscribe to clean up if application closes socket */
4381 wpas_dbus_subscribe_noc(priv);
4382
4383 /*
4384 * Double-check it's still alive to make sure that we didn't
4385 * miss the NameOwnerChanged signal, e.g. while strdup'ing.
4386 */
4387 if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
4388 /*
4389 * Application no longer exists, clean up.
4390 * The return value is irrelevant now.
4391 *
4392 * Need to check if the NameOwnerChanged handling
4393 * already cleaned up because we have processed
4394 * DBus messages while checking if the name still
4395 * has an owner.
4396 */
4397 if (!wpa_s->preq_notify_peer)
4398 return NULL;
4399 os_free(wpa_s->preq_notify_peer);
4400 wpa_s->preq_notify_peer = NULL;
4401 wpas_dbus_unsubscribe_noc(priv);
4402 }
4403
4404 return NULL;
4405 }
4406
4407
wpas_dbus_handler_unsubscribe_preq(DBusMessage * message,struct wpa_supplicant * wpa_s)4408 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
4409 DBusMessage *message, struct wpa_supplicant *wpa_s)
4410 {
4411 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
4412
4413 if (!wpa_s->preq_notify_peer)
4414 return dbus_message_new_error(message,
4415 WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
4416 "Not subscribed");
4417
4418 if (os_strcmp(wpa_s->preq_notify_peer,
4419 dbus_message_get_sender(message)))
4420 return dbus_message_new_error(message,
4421 WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
4422 "Can't unsubscribe others");
4423
4424 os_free(wpa_s->preq_notify_peer);
4425 wpa_s->preq_notify_peer = NULL;
4426 wpas_dbus_unsubscribe_noc(priv);
4427 return NULL;
4428 }
4429
4430
wpas_dbus_signal_preq(struct wpa_supplicant * wpa_s,const u8 * addr,const u8 * dst,const u8 * bssid,const u8 * ie,size_t ie_len,u32 ssi_signal)4431 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
4432 const u8 *addr, const u8 *dst, const u8 *bssid,
4433 const u8 *ie, size_t ie_len, u32 ssi_signal)
4434 {
4435 DBusMessage *msg;
4436 DBusMessageIter iter, dict_iter;
4437 struct wpas_dbus_priv *priv = wpa_s->global->dbus;
4438
4439 /* Do nothing if the control interface is not turned on */
4440 if (priv == NULL || !wpa_s->dbus_new_path)
4441 return;
4442
4443 if (wpa_s->preq_notify_peer == NULL)
4444 return;
4445
4446 msg = dbus_message_new_signal(wpa_s->dbus_new_path,
4447 WPAS_DBUS_NEW_IFACE_INTERFACE,
4448 "ProbeRequest");
4449 if (msg == NULL)
4450 return;
4451
4452 dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
4453
4454 dbus_message_iter_init_append(msg, &iter);
4455
4456 if (!wpa_dbus_dict_open_write(&iter, &dict_iter) ||
4457 (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
4458 (const char *) addr,
4459 ETH_ALEN)) ||
4460 (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
4461 (const char *) dst,
4462 ETH_ALEN)) ||
4463 (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
4464 (const char *) bssid,
4465 ETH_ALEN)) ||
4466 (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
4467 (const char *) ie,
4468 ie_len)) ||
4469 (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
4470 ssi_signal)) ||
4471 !wpa_dbus_dict_close_write(&iter, &dict_iter))
4472 goto fail;
4473
4474 dbus_connection_send(priv->con, msg, NULL);
4475 goto out;
4476 fail:
4477 wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
4478 out:
4479 dbus_message_unref(msg);
4480 }
4481
4482 #endif /* CONFIG_AP */
4483
4484
wpas_dbus_handler_vendor_elem_add(DBusMessage * message,struct wpa_supplicant * wpa_s)4485 DBusMessage * wpas_dbus_handler_vendor_elem_add(DBusMessage *message,
4486 struct wpa_supplicant *wpa_s)
4487 {
4488 u8 *ielems;
4489 int len;
4490 struct ieee802_11_elems elems;
4491 dbus_int32_t frame_id;
4492 DBusMessageIter iter, array;
4493
4494 dbus_message_iter_init(message, &iter);
4495 dbus_message_iter_get_basic(&iter, &frame_id);
4496 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
4497 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4498 "Invalid ID");
4499 }
4500
4501 dbus_message_iter_next(&iter);
4502 dbus_message_iter_recurse(&iter, &array);
4503 dbus_message_iter_get_fixed_array(&array, &ielems, &len);
4504 if (!ielems || len == 0) {
4505 return dbus_message_new_error(
4506 message, DBUS_ERROR_INVALID_ARGS, "Invalid value");
4507 }
4508
4509 if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
4510 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4511 "Parse error");
4512 }
4513
4514 wpa_s = wpas_vendor_elem(wpa_s, frame_id);
4515 if (!wpa_s->vendor_elem[frame_id]) {
4516 wpa_s->vendor_elem[frame_id] = wpabuf_alloc_copy(ielems, len);
4517 wpas_vendor_elem_update(wpa_s);
4518 return NULL;
4519 }
4520
4521 if (wpabuf_resize(&wpa_s->vendor_elem[frame_id], len) < 0) {
4522 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4523 "Resize error");
4524 }
4525
4526 wpabuf_put_data(wpa_s->vendor_elem[frame_id], ielems, len);
4527 wpas_vendor_elem_update(wpa_s);
4528 return NULL;
4529 }
4530
4531
wpas_dbus_handler_vendor_elem_get(DBusMessage * message,struct wpa_supplicant * wpa_s)4532 DBusMessage * wpas_dbus_handler_vendor_elem_get(DBusMessage *message,
4533 struct wpa_supplicant *wpa_s)
4534 {
4535 DBusMessage *reply;
4536 DBusMessageIter iter, array_iter;
4537 dbus_int32_t frame_id;
4538 const u8 *elem;
4539 size_t elem_len;
4540
4541 dbus_message_iter_init(message, &iter);
4542 dbus_message_iter_get_basic(&iter, &frame_id);
4543
4544 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
4545 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4546 "Invalid ID");
4547 }
4548
4549 wpa_s = wpas_vendor_elem(wpa_s, frame_id);
4550 if (!wpa_s->vendor_elem[frame_id]) {
4551 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4552 "ID value does not exist");
4553 }
4554
4555 reply = dbus_message_new_method_return(message);
4556 if (!reply)
4557 return wpas_dbus_error_no_memory(message);
4558
4559 dbus_message_iter_init_append(reply, &iter);
4560
4561 elem = wpabuf_head_u8(wpa_s->vendor_elem[frame_id]);
4562 elem_len = wpabuf_len(wpa_s->vendor_elem[frame_id]);
4563
4564 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
4565 DBUS_TYPE_BYTE_AS_STRING,
4566 &array_iter) ||
4567 !dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
4568 &elem, elem_len) ||
4569 !dbus_message_iter_close_container(&iter, &array_iter)) {
4570 dbus_message_unref(reply);
4571 reply = wpas_dbus_error_no_memory(message);
4572 }
4573
4574 return reply;
4575 }
4576
4577
wpas_dbus_handler_vendor_elem_remove(DBusMessage * message,struct wpa_supplicant * wpa_s)4578 DBusMessage * wpas_dbus_handler_vendor_elem_remove(DBusMessage *message,
4579 struct wpa_supplicant *wpa_s)
4580 {
4581 u8 *ielems;
4582 int len;
4583 struct ieee802_11_elems elems;
4584 DBusMessageIter iter, array;
4585 dbus_int32_t frame_id;
4586
4587 dbus_message_iter_init(message, &iter);
4588 dbus_message_iter_get_basic(&iter, &frame_id);
4589 if (frame_id < 0 || frame_id >= NUM_VENDOR_ELEM_FRAMES) {
4590 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4591 "Invalid ID");
4592 }
4593
4594 dbus_message_iter_next(&iter);
4595 dbus_message_iter_recurse(&iter, &array);
4596 dbus_message_iter_get_fixed_array(&array, &ielems, &len);
4597 if (!ielems || len == 0) {
4598 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4599 "Invalid value");
4600 }
4601
4602 wpa_s = wpas_vendor_elem(wpa_s, frame_id);
4603
4604 if (len == 1 && *ielems == '*') {
4605 wpabuf_free(wpa_s->vendor_elem[frame_id]);
4606 wpa_s->vendor_elem[frame_id] = NULL;
4607 wpas_vendor_elem_update(wpa_s);
4608 return NULL;
4609 }
4610
4611 if (!wpa_s->vendor_elem[frame_id]) {
4612 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4613 "ID value does not exist");
4614 }
4615
4616 if (ieee802_11_parse_elems(ielems, len, &elems, 0) == ParseFailed) {
4617 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4618 "Parse error");
4619 }
4620
4621 if (wpas_vendor_elem_remove(wpa_s, frame_id, ielems, len) == 0)
4622 return NULL;
4623
4624 return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
4625 "Not found");
4626 }
4627