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dbus: Add debug printing on property setter type mismatches
[hostap-gosc2009.git] / wpa_supplicant / dbus / dbus_new_handlers.c
blob07a2835a5f726566112a3b49b7ee5f35fdc8357d
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, Witold Sowa <witold.sowa@gmail.com>
5 * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * Alternatively, this software may be distributed under the terms of BSD
12 * license.
13 *
14 * See README and COPYING for more details.
15 */
16
17 #include "includes.h"
18
19 #include "common.h"
20 #include "common/ieee802_11_defs.h"
21 #include "eap_peer/eap_methods.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "../config.h"
24 #include "../wpa_supplicant_i.h"
25 #include "../driver_i.h"
26 #include "../notify.h"
27 #include "../wpas_glue.h"
28 #include "../bss.h"
29 #include "dbus_new_helpers.h"
30 #include "dbus_new.h"
31 #include "dbus_new_handlers.h"
32 #include "dbus_dict_helpers.h"
33
34 extern int wpa_debug_level;
35 extern int wpa_debug_show_keys;
36 extern int wpa_debug_timestamp;
37
38
39 /**
40 * wpas_dbus_new_decompose_object_path - Decompose an interface object path into parts
41 * @path: The dbus object path
42 * @network: (out) the configured network this object path refers to, if any
43 * @bssid: (out) the scanned bssid this object path refers to, if any
44 * Returns: The object path of the network interface this path refers to
45 *
46 * For a given object path, decomposes the object path into object id, network,
47 * and BSSID parts, if those parts exist.
48 */
49 static char * wpas_dbus_new_decompose_object_path(const char *path,
50 char **network,
51 char **bssid)
52 {
53 const unsigned int dev_path_prefix_len =
54 strlen(WPAS_DBUS_NEW_PATH_INTERFACES "/");
55 char *obj_path_only;
56 char *next_sep;
57
58 /* Be a bit paranoid about path */
59 if (!path || os_strncmp(path, WPAS_DBUS_NEW_PATH_INTERFACES "/",
60 dev_path_prefix_len))
61 return NULL;
62
63 /* Ensure there's something at the end of the path */
64 if ((path + dev_path_prefix_len)[0] == '\0')
65 return NULL;
66
67 obj_path_only = os_strdup(path);
68 if (obj_path_only == NULL)
69 return NULL;
70
71 next_sep = os_strchr(obj_path_only + dev_path_prefix_len, '/');
72 if (next_sep != NULL) {
73 const char *net_part = os_strstr(
74 next_sep, WPAS_DBUS_NEW_NETWORKS_PART "/");
75 const char *bssid_part = os_strstr(
76 next_sep, WPAS_DBUS_NEW_BSSIDS_PART "/");
77
78 if (network && net_part) {
79 /* Deal with a request for a configured network */
80 const char *net_name = net_part +
81 os_strlen(WPAS_DBUS_NEW_NETWORKS_PART "/");
82 *network = NULL;
83 if (os_strlen(net_name))
84 *network = os_strdup(net_name);
85 } else if (bssid && bssid_part) {
86 /* Deal with a request for a scanned BSSID */
87 const char *bssid_name = bssid_part +
88 os_strlen(WPAS_DBUS_NEW_BSSIDS_PART "/");
89 if (strlen(bssid_name))
90 *bssid = os_strdup(bssid_name);
91 else
92 *bssid = NULL;
93 }
94
95 /* Cut off interface object path before "/" */
96 *next_sep = '\0';
97 }
98
99 return obj_path_only;
100 }
101
102
103 /**
104 * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
105 * @message: Pointer to incoming dbus message this error refers to
106 * @arg: Optional string appended to error message
107 * Returns: a dbus error message
108 *
109 * Convenience function to create and return an UnknownError
110 */
111 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
112 const char *arg)
113 {
114 return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
115 arg);
116 }
117
118
119 /**
120 * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
121 * @message: Pointer to incoming dbus message this error refers to
122 * Returns: A dbus error message
123 *
124 * Convenience function to create and return an invalid interface error
125 */
126 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
127 {
128 return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
129 "wpa_supplicant knows nothing about "
130 "this interface.");
131 }
132
133
134 /**
135 * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
136 * @message: Pointer to incoming dbus message this error refers to
137 * Returns: a dbus error message
138 *
139 * Convenience function to create and return an invalid network error
140 */
141 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
142 {
143 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
144 "There is no such a network in this "
145 "interface.");
146 }
147
148
149 /**
150 * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
151 * @message: Pointer to incoming dbus message this error refers to
152 * Returns: a dbus error message
153 *
154 * Convenience function to create and return an invalid options error
155 */
156 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
157 const char *arg)
158 {
159 DBusMessage *reply;
160
161 reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
162 "Did not receive correct message "
163 "arguments.");
164 if (arg != NULL)
165 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
166 DBUS_TYPE_INVALID);
167
168 return reply;
169 }
170
171
172 static const char *dont_quote[] = {
173 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
174 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
175 "bssid", NULL
176 };
177
178 static dbus_bool_t should_quote_opt(const char *key)
179 {
180 int i = 0;
181 while (dont_quote[i] != NULL) {
182 if (os_strcmp(key, dont_quote[i]) == 0)
183 return FALSE;
184 i++;
185 }
186 return TRUE;
187 }
188
189 /**
190 * get_iface_by_dbus_path - Get a new network interface
191 * @global: Pointer to global data from wpa_supplicant_init()
192 * @path: Pointer to a dbus object path representing an interface
193 * Returns: Pointer to the interface or %NULL if not found
194 */
195 static struct wpa_supplicant * get_iface_by_dbus_path(
196 struct wpa_global *global, const char *path)
197 {
198 struct wpa_supplicant *wpa_s;
199
200 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
201 if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
202 return wpa_s;
203 }
204 return NULL;
205 }
206
207
208 /**
209 * set_network_properties - Set properties of a configured network
210 * @message: Pointer to incoming dbus message
211 * @ssid: wpa_ssid structure for a configured network
212 * @iter: DBus message iterator containing dictionary of network
213 * properties to set.
214 * Returns: NULL when succeed or DBus error on failure
215 *
216 * Sets network configuration with parameters given id DBus dictionary
217 */
218 static DBusMessage * set_network_properties(DBusMessage *message,
219 struct wpa_ssid *ssid,
220 DBusMessageIter *iter)
221 {
222
223 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
224 DBusMessage *reply = NULL;
225 DBusMessageIter iter_dict;
226
227 if (!wpa_dbus_dict_open_read(iter, &iter_dict))
228 return wpas_dbus_error_invalid_args(message, NULL);
229
230 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
231 char *value = NULL;
232 size_t size = 50;
233 int ret;
234 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
235 reply = wpas_dbus_error_invalid_args(message, NULL);
236 break;
237 }
238 if (entry.type == DBUS_TYPE_ARRAY &&
239 entry.array_type == DBUS_TYPE_BYTE) {
240 if (entry.array_len <= 0)
241 goto error;
242
243 size = entry.array_len * 2 + 1;
244 value = os_zalloc(size);
245 if (value == NULL)
246 goto error;
247
248 ret = wpa_snprintf_hex(value, size,
249 (u8 *) entry.bytearray_value,
250 entry.array_len);
251 if (ret <= 0)
252 goto error;
253 } else if (entry.type == DBUS_TYPE_STRING) {
254 if (should_quote_opt(entry.key)) {
255 size = os_strlen(entry.str_value);
256 if (size <= 0)
257 goto error;
258
259 size += 3;
260 value = os_zalloc(size);
261 if (value == NULL)
262 goto error;
263
264 ret = os_snprintf(value, size, "\"%s\"",
265 entry.str_value);
266 if (ret < 0 || (size_t) ret != (size - 1))
267 goto error;
268 } else {
269 value = os_strdup(entry.str_value);
270 if (value == NULL)
271 goto error;
272 }
273 } else if (entry.type == DBUS_TYPE_UINT32) {
274 value = os_zalloc(size);
275 if (value == NULL)
276 goto error;
277
278 ret = os_snprintf(value, size, "%u",
279 entry.uint32_value);
280 if (ret <= 0)
281 goto error;
282 } else if (entry.type == DBUS_TYPE_INT32) {
283 value = os_zalloc(size);
284 if (value == NULL)
285 goto error;
286
287 ret = os_snprintf(value, size, "%d",
288 entry.int32_value);
289 if (ret <= 0)
290 goto error;
291 } else
292 goto error;
293
294 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
295 goto error;
296
297 if ((os_strcmp(entry.key, "psk") == 0 &&
298 value[0] == '"' && ssid->ssid_len) ||
299 (strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
300 wpa_config_update_psk(ssid);
301
302 os_free(value);
303 wpa_dbus_dict_entry_clear(&entry);
304 continue;
305
306 error:
307 os_free(value);
308 reply = wpas_dbus_error_invalid_args(message, entry.key);
309 wpa_dbus_dict_entry_clear(&entry);
310 break;
311 }
312
313 return reply;
314 }
315
316
317 static const char * _get_dbus_type_as_string(const int type)
318 {
319 switch(type) {
320 case DBUS_TYPE_BYTE:
321 return DBUS_TYPE_BYTE_AS_STRING;
322 case DBUS_TYPE_BOOLEAN:
323 return DBUS_TYPE_BOOLEAN_AS_STRING;
324 case DBUS_TYPE_INT16:
325 return DBUS_TYPE_INT16_AS_STRING;
326 case DBUS_TYPE_UINT16:
327 return DBUS_TYPE_UINT16_AS_STRING;
328 case DBUS_TYPE_INT32:
329 return DBUS_TYPE_INT32_AS_STRING;
330 case DBUS_TYPE_UINT32:
331 return DBUS_TYPE_UINT32_AS_STRING;
332 case DBUS_TYPE_INT64:
333 return DBUS_TYPE_INT64_AS_STRING;
334 case DBUS_TYPE_UINT64:
335 return DBUS_TYPE_UINT64_AS_STRING;
336 case DBUS_TYPE_DOUBLE:
337 return DBUS_TYPE_DOUBLE_AS_STRING;
338 case DBUS_TYPE_STRING:
339 return DBUS_TYPE_STRING_AS_STRING;
340 case DBUS_TYPE_OBJECT_PATH:
341 return DBUS_TYPE_OBJECT_PATH_AS_STRING;
342 default:
343 return NULL;
344 }
345 }
346
347
348 /**
349 * wpas_dbus_simple_property_getter - Get basic type property
350 * @message: Pointer to incoming dbus message
351 * @type: DBus type of property (must be basic type)
352 * @val: pointer to place holding property value
353 * Returns: The DBus message containing response for Properties.Get call
354 * or DBus error message if error occurred.
355 *
356 * Generic getter for basic type properties. Type is required to be basic.
357 */
358 DBusMessage * wpas_dbus_simple_property_getter(DBusMessage *message,
359 const int type, const void *val)
360 {
361 DBusMessage *reply = NULL;
362 DBusMessageIter iter, variant_iter;
363
364 if (!dbus_type_is_basic(type)) {
365 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_getter:"
366 " given type is not basic");
367 return wpas_dbus_error_unknown_error(message, NULL);
368 }
369
370 if (message == NULL)
371 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
372 else
373 reply = dbus_message_new_method_return(message);
374
375 if (reply != NULL) {
376 dbus_message_iter_init_append(reply, &iter);
377 if (!dbus_message_iter_open_container(
378 &iter, DBUS_TYPE_VARIANT,
379 _get_dbus_type_as_string(type), &variant_iter) ||
380 !dbus_message_iter_append_basic(&variant_iter, type,
381 val) ||
382 !dbus_message_iter_close_container(&iter, &variant_iter)) {
383 wpa_printf(MSG_ERROR, "dbus: "
384 "wpas_dbus_simple_property_getter: out of "
385 "memory to put property value into "
386 "message");
387 dbus_message_unref(reply);
388 reply = dbus_message_new_error(message,
389 DBUS_ERROR_NO_MEMORY,
390 NULL);
391 }
392 } else {
393 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_getter:"
394 " out of memory to return property value");
395 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
396 NULL);
397 }
398
399 return reply;
400 }
401
402
403 /**
404 * wpas_dbus_simple_property_setter - Set basic type property
405 * @message: Pointer to incoming dbus message
406 * @type: DBus type of property (must be basic type)
407 * @val: pointer to place where value being set will be stored
408 * Returns: NULL or DBus error message if error occurred.
409 *
410 * Generic setter for basic type properties. Type is required to be basic.
411 */
412 DBusMessage * wpas_dbus_simple_property_setter(DBusMessage *message,
413 const int type, void *val)
414 {
415 DBusMessageIter iter, variant_iter;
416
417 if (!dbus_type_is_basic(type)) {
418 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_setter:"
419 " given type is not basic");
420 return wpas_dbus_error_unknown_error(message, NULL);
421 }
422
423 if (!dbus_message_iter_init(message, &iter)) {
424 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_setter:"
425 " out of memory to return scanning state");
426 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
427 NULL);
428 }
429
430 /* omit first and second argument and get value from third */
431 dbus_message_iter_next(&iter);
432 dbus_message_iter_next(&iter);
433 dbus_message_iter_recurse(&iter, &variant_iter);
434
435 if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
436 wpa_printf(MSG_DEBUG, "dbus: wpas_dbus_simple_property_setter:"
437 " wrong property type");
438 return wpas_dbus_error_invalid_args(message,
439 "wrong property type");
440 }
441 dbus_message_iter_get_basic(&variant_iter, val);
442
443 return NULL;
444 }
445
446
447 /**
448 * wpas_dbus_simple_array_property_getter - Get array type property
449 * @message: Pointer to incoming dbus message
450 * @type: DBus type of property array elements (must be basic type)
451 * @array: pointer to array of elements to put into response message
452 * @array_len: length of above array
453 * Returns: The DBus message containing response for Properties.Get call
454 * or DBus error message if error occurred.
455 *
456 * Generic getter for array type properties. Array elements type is
457 * required to be basic.
458 */
459 DBusMessage * wpas_dbus_simple_array_property_getter(DBusMessage *message,
460 const int type,
461 const void *array,
462 size_t array_len)
463 {
464 DBusMessage *reply = NULL;
465 DBusMessageIter iter, variant_iter, array_iter;
466 char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
467 const char *sub_type_str;
468 size_t element_size, i;
469
470 if (!dbus_type_is_basic(type)) {
471 wpa_printf(MSG_ERROR, "dbus: "
472 "wpas_dbus_simple_array_property_getter: given "
473 "type is not basic");
474 return wpas_dbus_error_unknown_error(message, NULL);
475 }
476
477 sub_type_str = _get_dbus_type_as_string(type);
478 type_str[1] = sub_type_str[0];
479
480 if (message == NULL)
481 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
482 else
483 reply = dbus_message_new_method_return(message);
484 if (reply == NULL) {
485 wpa_printf(MSG_ERROR, "dbus: "
486 "wpas_dbus_simple_array_property_getter: out of "
487 "memory to create return message");
488 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
489 NULL);
490 }
491
492 dbus_message_iter_init_append(reply, &iter);
493
494 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
495 type_str, &variant_iter) ||
496 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
497 sub_type_str, &array_iter)) {
498 wpa_printf(MSG_ERROR, "dbus: "
499 "wpas_dbus_simple_array_property_getter: out of "
500 "memory to open container");
501 dbus_message_unref(reply);
502 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
503 NULL);
504 }
505
506 switch(type) {
507 case DBUS_TYPE_BYTE:
508 case DBUS_TYPE_BOOLEAN:
509 element_size = 1;
510 break;
511 case DBUS_TYPE_INT16:
512 case DBUS_TYPE_UINT16:
513 element_size = sizeof(uint16_t);
514 break;
515 case DBUS_TYPE_INT32:
516 case DBUS_TYPE_UINT32:
517 element_size = sizeof(uint32_t);
518 break;
519 case DBUS_TYPE_INT64:
520 case DBUS_TYPE_UINT64:
521 element_size = sizeof(uint64_t);
522 break;
523 case DBUS_TYPE_DOUBLE:
524 element_size = sizeof(double);
525 break;
526 case DBUS_TYPE_STRING:
527 case DBUS_TYPE_OBJECT_PATH:
528 element_size = sizeof(char *);
529 break;
530 default:
531 wpa_printf(MSG_ERROR, "dbus: "
532 "wpas_dbus_simple_array_property_getter: "
533 "fatal: unknown element type");
534 element_size = 1;
535 break;
536 }
537
538 for (i = 0; i < array_len; i++) {
539 dbus_message_iter_append_basic(&array_iter, type,
540 array + i * element_size);
541 }
542
543 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
544 !dbus_message_iter_close_container(&iter, &variant_iter)) {
545 wpa_printf(MSG_ERROR, "dbus: "
546 "wpas_dbus_simple_array_property_getter: out of "
547 "memory to close container");
548 dbus_message_unref(reply);
549 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
550 NULL);
551 }
552
553 return reply;
554 }
555
556
557 /**
558 * wpas_dbus_handler_create_interface - Request registration of a network iface
559 * @message: Pointer to incoming dbus message
560 * @global: %wpa_supplicant global data structure
561 * Returns: The object path of the new interface object,
562 * or a dbus error message with more information
563 *
564 * Handler function for "CreateInterface" method call. Handles requests
565 * by dbus clients to register a network interface that wpa_supplicant
566 * will manage.
567 */
568 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
569 struct wpa_global *global)
570 {
571 DBusMessageIter iter_dict;
572 DBusMessage *reply = NULL;
573 DBusMessageIter iter;
574 struct wpa_dbus_dict_entry entry;
575 char *driver = NULL;
576 char *ifname = NULL;
577 char *bridge_ifname = NULL;
578
579 dbus_message_iter_init(message, &iter);
580
581 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
582 goto error;
583 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
584 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
585 goto error;
586 if (!strcmp(entry.key, "Driver") &&
587 (entry.type == DBUS_TYPE_STRING)) {
588 driver = os_strdup(entry.str_value);
589 wpa_dbus_dict_entry_clear(&entry);
590 if (driver == NULL)
591 goto error;
592 } else if (!strcmp(entry.key, "Ifname") &&
593 (entry.type == DBUS_TYPE_STRING)) {
594 ifname = os_strdup(entry.str_value);
595 wpa_dbus_dict_entry_clear(&entry);
596 if (ifname == NULL)
597 goto error;
598 } else if (!strcmp(entry.key, "BridgeIfname") &&
599 (entry.type == DBUS_TYPE_STRING)) {
600 bridge_ifname = os_strdup(entry.str_value);
601 wpa_dbus_dict_entry_clear(&entry);
602 if (bridge_ifname == NULL)
603 goto error;
604 } else {
605 wpa_dbus_dict_entry_clear(&entry);
606 goto error;
607 }
608 }
609
610 if (ifname == NULL)
611 goto error; /* Required Ifname argument missing */
612
613 /*
614 * Try to get the wpa_supplicant record for this iface, return
615 * an error if we already control it.
616 */
617 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
618 reply = dbus_message_new_error(message,
619 WPAS_DBUS_ERROR_IFACE_EXISTS,
620 "wpa_supplicant already "
621 "controls this interface.");
622 } else {
623 struct wpa_supplicant *wpa_s;
624 struct wpa_interface iface;
625 os_memset(&iface, 0, sizeof(iface));
626 iface.driver = driver;
627 iface.ifname = ifname;
628 iface.bridge_ifname = bridge_ifname;
629 /* Otherwise, have wpa_supplicant attach to it. */
630 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
631 const char *path = wpa_s->dbus_new_path;
632 reply = dbus_message_new_method_return(message);
633 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
634 &path, DBUS_TYPE_INVALID);
635 } else {
636 reply = wpas_dbus_error_unknown_error(
637 message, "wpa_supplicant couldn't grab this "
638 "interface.");
639 }
640 }
641
642 out:
643 os_free(driver);
644 os_free(ifname);
645 os_free(bridge_ifname);
646 return reply;
647
648 error:
649 reply = wpas_dbus_error_invalid_args(message, NULL);
650 goto out;
651 }
652
653
654 /**
655 * wpas_dbus_handler_remove_interface - Request deregistration of an interface
656 * @message: Pointer to incoming dbus message
657 * @global: wpa_supplicant global data structure
658 * Returns: a dbus message containing a UINT32 indicating success (1) or
659 * failure (0), or returns a dbus error message with more information
660 *
661 * Handler function for "removeInterface" method call. Handles requests
662 * by dbus clients to deregister a network interface that wpa_supplicant
663 * currently manages.
664 */
665 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
666 struct wpa_global *global)
667 {
668 struct wpa_supplicant *wpa_s;
669 char *path;
670 DBusMessage *reply = NULL;
671
672 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
673 DBUS_TYPE_INVALID);
674
675 wpa_s = get_iface_by_dbus_path(global, path);
676 if (wpa_s == NULL)
677 reply = wpas_dbus_error_iface_unknown(message);
678 else if (wpa_supplicant_remove_iface(global, wpa_s)) {
679 reply = wpas_dbus_error_unknown_error(
680 message, "wpa_supplicant couldn't remove this "
681 "interface.");
682 }
683
684 return reply;
685 }
686
687
688 /**
689 * wpas_dbus_handler_get_interface - Get the object path for an interface name
690 * @message: Pointer to incoming dbus message
691 * @global: %wpa_supplicant global data structure
692 * Returns: The object path of the interface object,
693 * or a dbus error message with more information
694 *
695 * Handler function for "getInterface" method call.
696 */
697 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
698 struct wpa_global *global)
699 {
700 DBusMessage *reply = NULL;
701 const char *ifname;
702 const char *path;
703 struct wpa_supplicant *wpa_s;
704
705 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
706 DBUS_TYPE_INVALID);
707
708 wpa_s = wpa_supplicant_get_iface(global, ifname);
709 if (wpa_s == NULL)
710 return wpas_dbus_error_iface_unknown(message);
711
712 path = wpa_s->dbus_new_path;
713 reply = dbus_message_new_method_return(message);
714 if (reply == NULL)
715 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
716 NULL);
717 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
718 DBUS_TYPE_INVALID)) {
719 dbus_message_unref(reply);
720 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
721 NULL);
722 }
723
724 return reply;
725 }
726
727
728 /**
729 * wpas_dbus_getter_debug_level - Get debug level
730 * @message: Pointer to incoming dbus message
731 * @global: %wpa_supplicant global data structure
732 * Returns: DBus message with value of debug level
733 *
734 * Getter for "DebugLevel" property.
735 */
736 DBusMessage * wpas_dbus_getter_debug_level(DBusMessage *message,
737 struct wpa_global *global)
738 {
739 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BYTE,
740 &wpa_debug_level);
741
742 }
743
744
745 /**
746 * wpas_dbus_getter_debug_timestamp - Get debug timestamp
747 * @message: Pointer to incoming dbus message
748 * @global: %wpa_supplicant global data structure
749 * Returns: DBus message with value of debug timestamp
750 *
751 * Getter for "DebugTimestamp" property.
752 */
753 DBusMessage * wpas_dbus_getter_debug_timestamp(DBusMessage *message,
754 struct wpa_global *global)
755 {
756 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
757 &wpa_debug_timestamp);
758
759 }
760
761
762 /**
763 * wpas_dbus_getter_debug_show_keys - Get debug show keys
764 * @message: Pointer to incoming dbus message
765 * @global: %wpa_supplicant global data structure
766 * Returns: DBus message with value of debug show_keys
767 *
768 * Getter for "DebugShowKeys" property.
769 */
770 DBusMessage * wpas_dbus_getter_debug_show_keys(DBusMessage *message,
771 struct wpa_global *global)
772 {
773 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
774 &wpa_debug_show_keys);
775
776 }
777
778 /**
779 * wpas_dbus_setter_debug_level - Set debug level
780 * @message: Pointer to incoming dbus message
781 * @global: %wpa_supplicant global data structure
782 * Returns: %NULL or DBus error message
783 *
784 * Setter for "DebugLevel" property.
785 */
786 DBusMessage * wpas_dbus_setter_debug_level(DBusMessage *message,
787 struct wpa_global *global)
788 {
789 DBusMessage *reply = NULL;
790 dbus_uint16_t val;
791
792 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_INT16,
793 &val);
794 if (reply)
795 return reply;
796
797 if (wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
798 wpa_debug_show_keys)) {
799 dbus_message_unref(reply);
800 return wpas_dbus_error_invalid_args(
801 message, "Wrong debug level value");
802 }
803
804 return NULL;
805 }
806
807
808 /**
809 * wpas_dbus_setter_debug_timestamp - Set debug timestamp
810 * @message: Pointer to incoming dbus message
811 * @global: %wpa_supplicant global data structure
812 * Returns: %NULL or DBus error message
813 *
814 * Setter for "DebugTimestamp" property.
815 */
816 DBusMessage * wpas_dbus_setter_debug_timestamp(DBusMessage *message,
817 struct wpa_global *global)
818 {
819 DBusMessage *reply = NULL;
820 dbus_bool_t val;
821
822 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
823 &val);
824 if (reply)
825 return reply;
826
827 wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
828 wpa_debug_show_keys);
829
830 return NULL;
831 }
832
833
834 /**
835 * wpas_dbus_setter_debug_show_keys - Set debug show keys
836 * @message: Pointer to incoming dbus message
837 * @global: %wpa_supplicant global data structure
838 * Returns: %NULL or DBus error message
839 *
840 * Setter for "DebugShowKeys" property.
841 */
842 DBusMessage * wpas_dbus_setter_debug_show_keys(DBusMessage *message,
843 struct wpa_global *global)
844 {
845 DBusMessage *reply = NULL;
846 dbus_bool_t val;
847
848 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
849 &val);
850 if (reply)
851 return reply;
852
853 wpa_supplicant_set_debug_params(global, wpa_debug_level,
854 wpa_debug_timestamp,
855 val ? 1 : 0);
856
857 return NULL;
858 }
859
860
861 /**
862 * wpas_dbus_getter_interfaces - Request registered interfaces list
863 * @message: Pointer to incoming dbus message
864 * @global: %wpa_supplicant global data structure
865 * Returns: The object paths array containing registered interfaces
866 * objects paths or DBus error on failure
867 *
868 * Getter for "Interfaces" property. Handles requests
869 * by dbus clients to return list of registered interfaces objects
870 * paths
871 */
872 DBusMessage * wpas_dbus_getter_interfaces(DBusMessage *message,
873 struct wpa_global *global)
874 {
875 DBusMessage *reply = NULL;
876 struct wpa_supplicant *wpa_s;
877 const char **paths;
878 unsigned int i = 0, num = 0;
879
880 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
881 num++;
882
883 paths = os_zalloc(num * sizeof(char*));
884 if (!paths) {
885 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
886 NULL);
887 }
888
889 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
890 paths[i] = wpa_s->dbus_new_path;
891
892 reply = wpas_dbus_simple_array_property_getter(message,
893 DBUS_TYPE_OBJECT_PATH,
894 paths, num);
895
896 os_free(paths);
897 return reply;
898 }
899
900
901 /**
902 * wpas_dbus_getter_eap_methods - Request supported EAP methods list
903 * @message: Pointer to incoming dbus message
904 * @nothing: not used argument. may be NULL or anything else
905 * Returns: The object paths array containing supported EAP methods
906 * represented by strings or DBus error on failure
907 *
908 * Getter for "EapMethods" property. Handles requests
909 * by dbus clients to return list of strings with supported EAP methods
910 */
911 DBusMessage * wpas_dbus_getter_eap_methods(DBusMessage *message, void *nothing)
912 {
913 DBusMessage *reply = NULL;
914 char **eap_methods;
915 size_t num_items = 0;
916
917 eap_methods = eap_get_names_as_string_array(&num_items);
918 if (!eap_methods) {
919 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
920 NULL);
921 }
922
923 reply = wpas_dbus_simple_array_property_getter(message,
924 DBUS_TYPE_STRING,
925 eap_methods, num_items);
926
927 while (num_items)
928 os_free(eap_methods[--num_items]);
929 os_free(eap_methods);
930 return reply;
931 }
932
933
934 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
935 char **type, DBusMessage **reply)
936 {
937 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
938 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
939 "Type must be a string");
940 *reply = wpas_dbus_error_invalid_args(
941 message, "Wrong Type value type. String required");
942 return -1;
943 }
944 dbus_message_iter_get_basic(var, type);
945 return 0;
946 }
947
948
949 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
950 struct wpa_driver_scan_params *params,
951 DBusMessage **reply)
952 {
953 struct wpa_driver_scan_ssid *ssids = params->ssids;
954 size_t ssids_num = 0;
955 u8 *ssid;
956 DBusMessageIter array_iter, sub_array_iter;
957 char *val;
958 int len;
959
960 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
961 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
962 "must be an array of arrays of bytes");
963 *reply = wpas_dbus_error_invalid_args(
964 message, "Wrong SSIDs value type. Array of arrays of "
965 "bytes required");
966 return -1;
967 }
968
969 dbus_message_iter_recurse(var, &array_iter);
970
971 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
972 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
973 {
974 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
975 "must be an array of arrays of bytes");
976 *reply = wpas_dbus_error_invalid_args(
977 message, "Wrong SSIDs value type. Array of arrays of "
978 "bytes required");
979 return -1;
980 }
981
982 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
983 {
984 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
985 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
986 "Too many ssids specified on scan dbus "
987 "call");
988 *reply = wpas_dbus_error_invalid_args(
989 message, "Too many ssids specified. Specify "
990 "at most four");
991 return -1;
992 }
993
994 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
995
996 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
997 if (len == 0) {
998 dbus_message_iter_next(&array_iter);
999 continue;
1000 }
1001
1002 ssid = os_malloc(len);
1003 if (ssid == NULL) {
1004 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1005 "out of memory. Cannot allocate memory for "
1006 "SSID");
1007 *reply = dbus_message_new_error(
1008 message, DBUS_ERROR_NO_MEMORY, NULL);
1009 return -1;
1010 }
1011 os_memcpy(ssid, val, len);
1012 ssids[ssids_num].ssid = ssid;
1013 ssids[ssids_num].ssid_len = len;
1014
1015 dbus_message_iter_next(&array_iter);
1016 ssids_num++;
1017 }
1018
1019 params->num_ssids = ssids_num;
1020 return 0;
1021 }
1022
1023
1024 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1025 struct wpa_driver_scan_params *params,
1026 DBusMessage **reply)
1027 {
1028 u8 *ies = NULL, *nies;
1029 int ies_len = 0;
1030 DBusMessageIter array_iter, sub_array_iter;
1031 char *val;
1032 int len;
1033
1034 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1035 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1036 "be an array of arrays of bytes");
1037 *reply = wpas_dbus_error_invalid_args(
1038 message, "Wrong IEs value type. Array of arrays of "
1039 "bytes required");
1040 return -1;
1041 }
1042
1043 dbus_message_iter_recurse(var, &array_iter);
1044
1045 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1046 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1047 {
1048 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1049 "be an array of arrays of bytes");
1050 *reply = wpas_dbus_error_invalid_args(
1051 message, "Wrong IEs value type. Array required");
1052 return -1;
1053 }
1054
1055 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1056 {
1057 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1058
1059 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1060 if (len == 0) {
1061 dbus_message_iter_next(&array_iter);
1062 continue;
1063 }
1064
1065 nies = os_realloc(ies, ies_len + len);
1066 if (nies == NULL) {
1067 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1068 "out of memory. Cannot allocate memory for "
1069 "IE");
1070 os_free(ies);
1071 *reply = dbus_message_new_error(
1072 message, DBUS_ERROR_NO_MEMORY, NULL);
1073 return -1;
1074 }
1075 ies = nies;
1076 os_memcpy(ies + ies_len, val, len);
1077 ies_len += len;
1078
1079 dbus_message_iter_next(&array_iter);
1080 }
1081
1082 params->extra_ies = ies;
1083 params->extra_ies_len = ies_len;
1084 return 0;
1085 }
1086
1087
1088 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1089 DBusMessageIter *var,
1090 struct wpa_driver_scan_params *params,
1091 DBusMessage **reply)
1092 {
1093 DBusMessageIter array_iter, sub_array_iter;
1094 int *freqs = NULL, *nfreqs;
1095 int freqs_num = 0;
1096
1097 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1098 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1099 "Channels must be an array of structs");
1100 *reply = wpas_dbus_error_invalid_args(
1101 message, "Wrong Channels value type. Array of structs "
1102 "required");
1103 return -1;
1104 }
1105
1106 dbus_message_iter_recurse(var, &array_iter);
1107
1108 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1109 wpa_printf(MSG_DEBUG,
1110 "wpas_dbus_handler_scan[dbus]: Channels must be an "
1111 "array of structs");
1112 *reply = wpas_dbus_error_invalid_args(
1113 message, "Wrong Channels value type. Array of structs "
1114 "required");
1115 return -1;
1116 }
1117
1118 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1119 {
1120 int freq, width;
1121
1122 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1123
1124 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1125 DBUS_TYPE_UINT32) {
1126 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1127 "Channel must by specified by struct of "
1128 "two UINT32s %c",
1129 dbus_message_iter_get_arg_type(
1130 &sub_array_iter));
1131 *reply = wpas_dbus_error_invalid_args(
1132 message, "Wrong Channel struct. Two UINT32s "
1133 "required");
1134 os_free(freqs);
1135 return -1;
1136 }
1137 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1138
1139 if (!dbus_message_iter_next(&sub_array_iter) ||
1140 dbus_message_iter_get_arg_type(&sub_array_iter) !=
1141 DBUS_TYPE_UINT32) {
1142 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1143 "Channel must by specified by struct of "
1144 "two UINT32s");
1145 *reply = wpas_dbus_error_invalid_args(
1146 message,
1147 "Wrong Channel struct. Two UINT32s required");
1148 os_free(freqs);
1149 return -1;
1150 }
1151
1152 dbus_message_iter_get_basic(&sub_array_iter, &width);
1153
1154 #define FREQS_ALLOC_CHUNK 32
1155 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1156 nfreqs = os_realloc(freqs, sizeof(int) *
1157 (freqs_num + FREQS_ALLOC_CHUNK));
1158 if (nfreqs == NULL)
1159 os_free(freqs);
1160 freqs = nfreqs;
1161 }
1162 if (freqs == NULL) {
1163 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1164 "out of memory. can't allocate memory for "
1165 "freqs");
1166 *reply = dbus_message_new_error(
1167 message, DBUS_ERROR_NO_MEMORY, NULL);
1168 return -1;
1169 }
1170
1171 freqs[freqs_num] = freq;
1172
1173 freqs_num++;
1174 dbus_message_iter_next(&array_iter);
1175 }
1176
1177 nfreqs = os_realloc(freqs,
1178 sizeof(int) * (freqs_num + 1));
1179 if (nfreqs == NULL)
1180 os_free(freqs);
1181 freqs = nfreqs;
1182 if (freqs == NULL) {
1183 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1184 "out of memory. Can't allocate memory for freqs");
1185 *reply = dbus_message_new_error(
1186 message, DBUS_ERROR_NO_MEMORY, NULL);
1187 return -1;
1188 }
1189 freqs[freqs_num] = 0;
1190
1191 params->freqs = freqs;
1192 return 0;
1193 }
1194
1195
1196 /**
1197 * wpas_dbus_handler_scan - Request a wireless scan on an interface
1198 * @message: Pointer to incoming dbus message
1199 * @wpa_s: wpa_supplicant structure for a network interface
1200 * Returns: NULL indicating success or DBus error message on failure
1201 *
1202 * Handler function for "Scan" method call of a network device. Requests
1203 * that wpa_supplicant perform a wireless scan as soon as possible
1204 * on a particular wireless interface.
1205 */
1206 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1207 struct wpa_supplicant *wpa_s)
1208 {
1209 DBusMessage *reply = NULL;
1210 DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1211 char *key = NULL, *type = NULL;
1212 struct wpa_driver_scan_params params;
1213 size_t i;
1214
1215 os_memset(&params, 0, sizeof(params));
1216
1217 dbus_message_iter_init(message, &iter);
1218
1219 dbus_message_iter_recurse(&iter, &dict_iter);
1220
1221 while (dbus_message_iter_get_arg_type(&dict_iter) ==
1222 DBUS_TYPE_DICT_ENTRY) {
1223 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1224 dbus_message_iter_get_basic(&entry_iter, &key);
1225 dbus_message_iter_next(&entry_iter);
1226 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1227
1228 if (os_strcmp(key, "Type") == 0) {
1229 if (wpas_dbus_get_scan_type(message, &variant_iter,
1230 &type, &reply) < 0)
1231 goto out;
1232 } else if (os_strcmp(key, "SSIDs") == 0) {
1233 if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1234 &params, &reply) < 0)
1235 goto out;
1236 } else if (os_strcmp(key, "IEs") == 0) {
1237 if (wpas_dbus_get_scan_ies(message, &variant_iter,
1238 &params, &reply) < 0)
1239 goto out;
1240 } else if (os_strcmp(key, "Channels") == 0) {
1241 if (wpas_dbus_get_scan_channels(message, &variant_iter,
1242 &params, &reply) < 0)
1243 goto out;
1244 } else {
1245 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1246 "Unknown argument %s", key);
1247 reply = wpas_dbus_error_invalid_args(message, key);
1248 goto out;
1249 }
1250
1251 dbus_message_iter_next(&dict_iter);
1252 }
1253
1254 if (!type) {
1255 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1256 "Scan type not specified");
1257 reply = wpas_dbus_error_invalid_args(message, key);
1258 goto out;
1259 }
1260
1261 if (!os_strcmp(type, "passive")) {
1262 if (params.num_ssids || params.extra_ies_len) {
1263 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1264 "SSIDs or IEs specified for passive scan.");
1265 reply = wpas_dbus_error_invalid_args(
1266 message, "You can specify only Channels in "
1267 "passive scan");
1268 goto out;
1269 } else if (params.freqs && params.freqs[0]) {
1270 /* wildcard ssid */
1271 params.num_ssids++;
1272 wpa_supplicant_trigger_scan(wpa_s, &params);
1273 } else {
1274 wpa_s->scan_req = 2;
1275 wpa_supplicant_req_scan(wpa_s, 0, 0);
1276 }
1277 } else if (!os_strcmp(type, "active")) {
1278 wpa_supplicant_trigger_scan(wpa_s, &params);
1279 } else {
1280 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1281 "Unknown scan type: %s", type);
1282 reply = wpas_dbus_error_invalid_args(message,
1283 "Wrong scan type");
1284 goto out;
1285 }
1286
1287 out:
1288 for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1289 os_free((u8 *) params.ssids[i].ssid);
1290 os_free((u8 *) params.extra_ies);
1291 os_free(params.freqs);
1292 return reply;
1293 }
1294
1295
1296 /*
1297 * wpas_dbus_handler_disconnect - Terminate the current connection
1298 * @message: Pointer to incoming dbus message
1299 * @wpa_s: wpa_supplicant structure for a network interface
1300 * Returns: NotConnected DBus error message if already not connected
1301 * or NULL otherwise.
1302 *
1303 * Handler function for "Disconnect" method call of network interface.
1304 */
1305 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1306 struct wpa_supplicant *wpa_s)
1307 {
1308 if (wpa_s->current_ssid != NULL) {
1309 wpa_s->disconnected = 1;
1310 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1311
1312 return NULL;
1313 }
1314
1315 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1316 "This interface is not connected");
1317 }
1318
1319
1320 /**
1321 * wpas_dbus_new_iface_add_network - Add a new configured network
1322 * @message: Pointer to incoming dbus message
1323 * @wpa_s: wpa_supplicant structure for a network interface
1324 * Returns: A dbus message containing the object path of the new network
1325 *
1326 * Handler function for "AddNetwork" method call of a network interface.
1327 */
1328 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1329 struct wpa_supplicant *wpa_s)
1330 {
1331 DBusMessage *reply = NULL;
1332 DBusMessageIter iter;
1333 struct wpa_ssid *ssid = NULL;
1334 char *path = NULL;
1335
1336 path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
1337 if (path == NULL) {
1338 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1339 NULL);
1340 goto err;
1341 }
1342
1343 dbus_message_iter_init(message, &iter);
1344
1345 ssid = wpa_config_add_network(wpa_s->conf);
1346 if (ssid == NULL) {
1347 wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
1348 "can't add new interface.");
1349 reply = wpas_dbus_error_unknown_error(
1350 message,
1351 "wpa_supplicant could not add "
1352 "a network on this interface.");
1353 goto err;
1354 }
1355 wpas_notify_network_added(wpa_s, ssid);
1356 ssid->disabled = 1;
1357 wpa_config_set_network_defaults(ssid);
1358
1359 reply = set_network_properties(message, ssid, &iter);
1360 if (reply) {
1361 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
1362 "control interface couldn't set network "
1363 "properties");
1364 goto err;
1365 }
1366
1367 /* Construct the object path for this network. */
1368 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1369 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1370 wpa_s->dbus_new_path, ssid->id);
1371
1372 reply = dbus_message_new_method_return(message);
1373 if (reply == NULL) {
1374 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1375 NULL);
1376 goto err;
1377 }
1378 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1379 DBUS_TYPE_INVALID)) {
1380 dbus_message_unref(reply);
1381 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1382 NULL);
1383 goto err;
1384 }
1385
1386 os_free(path);
1387 return reply;
1388
1389 err:
1390 if (ssid) {
1391 wpas_notify_network_removed(wpa_s, ssid);
1392 wpa_config_remove_network(wpa_s->conf, ssid->id);
1393 }
1394 os_free(path);
1395 return reply;
1396 }
1397
1398
1399 /**
1400 * wpas_dbus_handler_remove_network - Remove a configured network
1401 * @message: Pointer to incoming dbus message
1402 * @wpa_s: wpa_supplicant structure for a network interface
1403 * Returns: NULL on success or dbus error on failure
1404 *
1405 * Handler function for "RemoveNetwork" method call of a network interface.
1406 */
1407 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1408 struct wpa_supplicant *wpa_s)
1409 {
1410 DBusMessage *reply = NULL;
1411 const char *op;
1412 char *iface = NULL, *net_id = NULL;
1413 int id;
1414 struct wpa_ssid *ssid;
1415
1416 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1417 DBUS_TYPE_INVALID);
1418
1419 /* Extract the network ID and ensure the network */
1420 /* is actually a child of this interface */
1421 iface = wpas_dbus_new_decompose_object_path(op, &net_id, NULL);
1422 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1423 reply = wpas_dbus_error_invalid_args(message, op);
1424 goto out;
1425 }
1426
1427 id = strtoul(net_id, NULL, 10);
1428 if (errno == EINVAL) {
1429 reply = wpas_dbus_error_invalid_args(message, op);
1430 goto out;
1431 }
1432
1433 ssid = wpa_config_get_network(wpa_s->conf, id);
1434 if (ssid == NULL) {
1435 reply = wpas_dbus_error_network_unknown(message);
1436 goto out;
1437 }
1438
1439 wpas_notify_network_removed(wpa_s, ssid);
1440
1441 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1442 wpa_printf(MSG_ERROR,
1443 "wpas_dbus_handler_remove_network[dbus]: "
1444 "error occurred when removing network %d", id);
1445 reply = wpas_dbus_error_unknown_error(
1446 message, "error removing the specified network on "
1447 "this interface.");
1448 goto out;
1449 }
1450
1451 if (ssid == wpa_s->current_ssid)
1452 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1453
1454 out:
1455 os_free(iface);
1456 os_free(net_id);
1457 return reply;
1458 }
1459
1460
1461 /**
1462 * wpas_dbus_handler_select_network - Attempt association with a network
1463 * @message: Pointer to incoming dbus message
1464 * @wpa_s: wpa_supplicant structure for a network interface
1465 * Returns: NULL on success or dbus error on failure
1466 *
1467 * Handler function for "SelectNetwork" method call of network interface.
1468 */
1469 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1470 struct wpa_supplicant *wpa_s)
1471 {
1472 DBusMessage *reply = NULL;
1473 const char *op;
1474 char *iface = NULL, *net_id = NULL;
1475 int id;
1476 struct wpa_ssid *ssid;
1477
1478 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1479 DBUS_TYPE_INVALID);
1480
1481 /* Extract the network ID and ensure the network */
1482 /* is actually a child of this interface */
1483 iface = wpas_dbus_new_decompose_object_path(op, &net_id, NULL);
1484 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1485 reply = wpas_dbus_error_invalid_args(message, op);
1486 goto out;
1487 }
1488
1489 id = strtoul(net_id, NULL, 10);
1490 if (errno == EINVAL) {
1491 reply = wpas_dbus_error_invalid_args(message, op);
1492 goto out;
1493 }
1494
1495 ssid = wpa_config_get_network(wpa_s->conf, id);
1496 if (ssid == NULL) {
1497 reply = wpas_dbus_error_network_unknown(message);
1498 goto out;
1499 }
1500
1501 /* Finally, associate with the network */
1502 wpa_supplicant_select_network(wpa_s, ssid);
1503
1504 out:
1505 os_free(iface);
1506 os_free(net_id);
1507 return reply;
1508 }
1509
1510
1511 /**
1512 * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1513 * @message: Pointer to incoming dbus message
1514 * @wpa_s: %wpa_supplicant data structure
1515 * Returns: A dbus message containing an error on failure or NULL on success
1516 *
1517 * Asks wpa_supplicant to internally store a binary blobs.
1518 */
1519 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1520 struct wpa_supplicant *wpa_s)
1521 {
1522 DBusMessage *reply = NULL;
1523 DBusMessageIter iter, array_iter;
1524
1525 char *blob_name;
1526 u8 *blob_data;
1527 int blob_len;
1528 struct wpa_config_blob *blob = NULL;
1529
1530 dbus_message_iter_init(message, &iter);
1531 dbus_message_iter_get_basic(&iter, &blob_name);
1532
1533 if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1534 return dbus_message_new_error(message,
1535 WPAS_DBUS_ERROR_BLOB_EXISTS,
1536 NULL);
1537 }
1538
1539 dbus_message_iter_next(&iter);
1540 dbus_message_iter_recurse(&iter, &array_iter);
1541
1542 dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1543
1544 blob = os_zalloc(sizeof(*blob));
1545 if (!blob) {
1546 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1547 NULL);
1548 goto err;
1549 }
1550
1551 blob->data = os_malloc(blob_len);
1552 if (!blob->data) {
1553 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1554 NULL);
1555 goto err;
1556 }
1557 os_memcpy(blob->data, blob_data, blob_len);
1558
1559 blob->len = blob_len;
1560 blob->name = os_strdup(blob_name);
1561 if (!blob->name) {
1562 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1563 NULL);
1564 goto err;
1565 }
1566
1567 wpa_config_set_blob(wpa_s->conf, blob);
1568 wpas_notify_blob_added(wpa_s, blob->name);
1569
1570 return reply;
1571
1572 err:
1573 if (blob) {
1574 os_free(blob->name);
1575 os_free(blob->data);
1576 os_free(blob);
1577 }
1578 return reply;
1579 }
1580
1581
1582 /**
1583 * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1584 * @message: Pointer to incoming dbus message
1585 * @wpa_s: %wpa_supplicant data structure
1586 * Returns: A dbus message containing array of bytes (blob)
1587 *
1588 * Gets one wpa_supplicant's binary blobs.
1589 */
1590 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1591 struct wpa_supplicant *wpa_s)
1592 {
1593 DBusMessage *reply = NULL;
1594 DBusMessageIter iter, array_iter;
1595
1596 char *blob_name;
1597 const struct wpa_config_blob *blob;
1598
1599 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1600 DBUS_TYPE_INVALID);
1601
1602 blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1603 if (!blob) {
1604 return dbus_message_new_error(message,
1605 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1606 "Blob id not set");
1607 }
1608
1609 reply = dbus_message_new_method_return(message);
1610 if (!reply) {
1611 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1612 NULL);
1613 goto out;
1614 }
1615
1616 dbus_message_iter_init_append(reply, &iter);
1617
1618 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1619 DBUS_TYPE_BYTE_AS_STRING,
1620 &array_iter)) {
1621 dbus_message_unref(reply);
1622 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1623 NULL);
1624 goto out;
1625 }
1626
1627 if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1628 &(blob->data), blob->len)) {
1629 dbus_message_unref(reply);
1630 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1631 NULL);
1632 goto out;
1633 }
1634
1635 if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1636 dbus_message_unref(reply);
1637 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1638 NULL);
1639 goto out;
1640 }
1641
1642 out:
1643 return reply;
1644 }
1645
1646
1647 /**
1648 * wpas_remove_handler_remove_blob - Remove named binary blob
1649 * @message: Pointer to incoming dbus message
1650 * @wpa_s: %wpa_supplicant data structure
1651 * Returns: NULL on success or dbus error
1652 *
1653 * Asks wpa_supplicant to internally remove a binary blobs.
1654 */
1655 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1656 struct wpa_supplicant *wpa_s)
1657 {
1658 DBusMessage *reply = NULL;
1659 char *blob_name;
1660
1661 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1662 DBUS_TYPE_INVALID);
1663
1664 if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1665 return dbus_message_new_error(message,
1666 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1667 "Blob id not set");
1668 }
1669 wpas_notify_blob_removed(wpa_s, blob_name);
1670
1671 return reply;
1672
1673 }
1674
1675
1676 /**
1677 * wpas_dbus_getter_capabilities - Return interface capabilities
1678 * @message: Pointer to incoming dbus message
1679 * @wpa_s: wpa_supplicant structure for a network interface
1680 * Returns: A dbus message containing a dict of strings
1681 *
1682 * Getter for "Capabilities" property of an interface.
1683 */
1684 DBusMessage * wpas_dbus_getter_capabilities(DBusMessage *message,
1685 struct wpa_supplicant *wpa_s)
1686 {
1687 DBusMessage *reply = NULL;
1688 struct wpa_driver_capa capa;
1689 int res;
1690 DBusMessageIter iter, iter_dict;
1691 DBusMessageIter iter_dict_entry, iter_dict_val, iter_array,
1692 variant_iter;
1693 const char *scans[] = { "active", "passive", "ssid" };
1694 const char *modes[] = { "infrastructure", "ad-hoc", "ap" };
1695 int n = sizeof(modes) / sizeof(char *);
1696
1697 if (message == NULL)
1698 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
1699 else
1700 reply = dbus_message_new_method_return(message);
1701 if (!reply)
1702 goto nomem;
1703
1704 dbus_message_iter_init_append(reply, &iter);
1705 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
1706 "a{sv}", &variant_iter))
1707 goto nomem;
1708
1709 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1710 goto nomem;
1711
1712 res = wpa_drv_get_capa(wpa_s, &capa);
1713
1714 /***** pairwise cipher */
1715 if (res < 0) {
1716 const char *args[] = {"ccmp", "tkip", "none"};
1717 if (!wpa_dbus_dict_append_string_array(
1718 &iter_dict, "Pairwise", args,
1719 sizeof(args) / sizeof(char*)))
1720 goto nomem;
1721 } else {
1722 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1723 &iter_dict_entry,
1724 &iter_dict_val,
1725 &iter_array))
1726 goto nomem;
1727
1728 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1729 if (!wpa_dbus_dict_string_array_add_element(
1730 &iter_array, "ccmp"))
1731 goto nomem;
1732 }
1733
1734 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1735 if (!wpa_dbus_dict_string_array_add_element(
1736 &iter_array, "tkip"))
1737 goto nomem;
1738 }
1739
1740 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1741 if (!wpa_dbus_dict_string_array_add_element(
1742 &iter_array, "none"))
1743 goto nomem;
1744 }
1745
1746 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1747 &iter_dict_entry,
1748 &iter_dict_val,
1749 &iter_array))
1750 goto nomem;
1751 }
1752
1753 /***** group cipher */
1754 if (res < 0) {
1755 const char *args[] = {
1756 "ccmp", "tkip", "wep104", "wep40"
1757 };
1758 if (!wpa_dbus_dict_append_string_array(
1759 &iter_dict, "Group", args,
1760 sizeof(args) / sizeof(char*)))
1761 goto nomem;
1762 } else {
1763 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
1764 &iter_dict_entry,
1765 &iter_dict_val,
1766 &iter_array))
1767 goto nomem;
1768
1769 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1770 if (!wpa_dbus_dict_string_array_add_element(
1771 &iter_array, "ccmp"))
1772 goto nomem;
1773 }
1774
1775 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1776 if (!wpa_dbus_dict_string_array_add_element(
1777 &iter_array, "tkip"))
1778 goto nomem;
1779 }
1780
1781 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1782 if (!wpa_dbus_dict_string_array_add_element(
1783 &iter_array, "wep104"))
1784 goto nomem;
1785 }
1786
1787 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1788 if (!wpa_dbus_dict_string_array_add_element(
1789 &iter_array, "wep40"))
1790 goto nomem;
1791 }
1792
1793 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1794 &iter_dict_entry,
1795 &iter_dict_val,
1796 &iter_array))
1797 goto nomem;
1798 }
1799
1800 /***** key management */
1801 if (res < 0) {
1802 const char *args[] = {
1803 "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
1804 #ifdef CONFIG_WPS
1805 "wps",
1806 #endif /* CONFIG_WPS */
1807 "none"
1808 };
1809 if (!wpa_dbus_dict_append_string_array(
1810 &iter_dict, "KeyMgmt", args,
1811 sizeof(args) / sizeof(char*)))
1812 goto nomem;
1813 } else {
1814 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
1815 &iter_dict_entry,
1816 &iter_dict_val,
1817 &iter_array))
1818 goto nomem;
1819
1820 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1821 "none"))
1822 goto nomem;
1823
1824 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1825 "ieee8021x"))
1826 goto nomem;
1827
1828 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1829 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1830 if (!wpa_dbus_dict_string_array_add_element(
1831 &iter_array, "wpa-eap"))
1832 goto nomem;
1833 }
1834
1835 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1836 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1837 if (!wpa_dbus_dict_string_array_add_element(
1838 &iter_array, "wpa-psk"))
1839 goto nomem;
1840 }
1841
1842 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1843 if (!wpa_dbus_dict_string_array_add_element(
1844 &iter_array, "wpa-none"))
1845 goto nomem;
1846 }
1847
1848
1849 #ifdef CONFIG_WPS
1850 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1851 "wps"))
1852 goto nomem;
1853 #endif /* CONFIG_WPS */
1854
1855 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1856 &iter_dict_entry,
1857 &iter_dict_val,
1858 &iter_array))
1859 goto nomem;
1860 }
1861
1862 /***** WPA protocol */
1863 if (res < 0) {
1864 const char *args[] = { "rsn", "wpa" };
1865 if (!wpa_dbus_dict_append_string_array(
1866 &iter_dict, "Protocol", args,
1867 sizeof(args) / sizeof(char*)))
1868 goto nomem;
1869 } else {
1870 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
1871 &iter_dict_entry,
1872 &iter_dict_val,
1873 &iter_array))
1874 goto nomem;
1875
1876 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1877 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1878 if (!wpa_dbus_dict_string_array_add_element(
1879 &iter_array, "rsn"))
1880 goto nomem;
1881 }
1882
1883 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1884 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1885 if (!wpa_dbus_dict_string_array_add_element(
1886 &iter_array, "wpa"))
1887 goto nomem;
1888 }
1889
1890 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1891 &iter_dict_entry,
1892 &iter_dict_val,
1893 &iter_array))
1894 goto nomem;
1895 }
1896
1897 /***** auth alg */
1898 if (res < 0) {
1899 const char *args[] = { "open", "shared", "leap" };
1900 if (!wpa_dbus_dict_append_string_array(
1901 &iter_dict, "AuthAlg", args,
1902 sizeof(args) / sizeof(char*)))
1903 goto nomem;
1904 } else {
1905 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
1906 &iter_dict_entry,
1907 &iter_dict_val,
1908 &iter_array))
1909 goto nomem;
1910
1911 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
1912 if (!wpa_dbus_dict_string_array_add_element(
1913 &iter_array, "open"))
1914 goto nomem;
1915 }
1916
1917 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
1918 if (!wpa_dbus_dict_string_array_add_element(
1919 &iter_array, "shared"))
1920 goto nomem;
1921 }
1922
1923 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
1924 if (!wpa_dbus_dict_string_array_add_element(
1925 &iter_array, "leap"))
1926 goto nomem;
1927 }
1928
1929 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1930 &iter_dict_entry,
1931 &iter_dict_val,
1932 &iter_array))
1933 goto nomem;
1934 }
1935
1936 /***** Scan */
1937 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
1938 sizeof(scans) / sizeof(char *)))
1939 goto nomem;
1940
1941 /***** Modes */
1942 if (res < 0 || !(capa.flags & WPA_DRIVER_FLAGS_AP))
1943 n--; /* exclude ap mode if it is not supported by the driver */
1944 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Modes", modes, n))
1945 goto nomem;
1946
1947 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
1948 goto nomem;
1949 if (!dbus_message_iter_close_container(&iter, &variant_iter))
1950 goto nomem;
1951
1952 return reply;
1953
1954 nomem:
1955 if (reply)
1956 dbus_message_unref(reply);
1957
1958 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
1959 }
1960
1961
1962 /**
1963 * wpas_dbus_getter_state - Get interface state
1964 * @message: Pointer to incoming dbus message
1965 * @wpa_s: wpa_supplicant structure for a network interface
1966 * Returns: A dbus message containing a STRING representing the current
1967 * interface state
1968 *
1969 * Getter for "State" property.
1970 */
1971 DBusMessage * wpas_dbus_getter_state(DBusMessage *message,
1972 struct wpa_supplicant *wpa_s)
1973 {
1974 DBusMessage *reply = NULL;
1975 const char *str_state;
1976 char *state_ls, *tmp;
1977
1978 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
1979
1980 /* make state string lowercase to fit new DBus API convention
1981 */
1982 state_ls = tmp = os_strdup(str_state);
1983 if (!tmp) {
1984 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1985 NULL);
1986 }
1987 while (*tmp) {
1988 *tmp = tolower(*tmp);
1989 tmp++;
1990 }
1991
1992 reply = wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
1993 &state_ls);
1994
1995 os_free(state_ls);
1996
1997 return reply;
1998 }
1999
2000
2001 /**
2002 * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2003 * @message: Pointer to incoming dbus message
2004 * @wpa_s: wpa_supplicant structure for a network interface
2005 * Returns: A dbus message containing whether the interface is scanning
2006 *
2007 * Getter for "scanning" property.
2008 */
2009 DBusMessage * wpas_dbus_getter_scanning(DBusMessage *message,
2010 struct wpa_supplicant *wpa_s)
2011 {
2012 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2013 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
2014 &scanning);
2015 }
2016
2017
2018 /**
2019 * wpas_dbus_getter_ap_scan - Control roaming mode
2020 * @message: Pointer to incoming dbus message
2021 * @wpa_s: wpa_supplicant structure for a network interface
2022 * Returns: A message containong value of ap_scan variable
2023 *
2024 * Getter function for "ApScan" property.
2025 */
2026 DBusMessage * wpas_dbus_getter_ap_scan(DBusMessage *message,
2027 struct wpa_supplicant *wpa_s)
2028 {
2029 dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2030 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT32,
2031 &ap_scan);
2032 }
2033
2034
2035 /**
2036 * wpas_dbus_setter_ap_scan - Control roaming mode
2037 * @message: Pointer to incoming dbus message
2038 * @wpa_s: wpa_supplicant structure for a network interface
2039 * Returns: NULL
2040 *
2041 * Setter function for "ApScan" property.
2042 */
2043 DBusMessage * wpas_dbus_setter_ap_scan(DBusMessage *message,
2044 struct wpa_supplicant *wpa_s)
2045 {
2046 DBusMessage *reply = NULL;
2047 dbus_uint32_t ap_scan;
2048
2049 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_UINT32,
2050 &ap_scan);
2051 if (reply)
2052 return reply;
2053
2054 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2055 return wpas_dbus_error_invalid_args(
2056 message, "ap_scan must equal 0, 1 or 2");
2057 }
2058 return NULL;
2059 }
2060
2061
2062 /**
2063 * wpas_dbus_getter_ifname - Get interface name
2064 * @message: Pointer to incoming dbus message
2065 * @wpa_s: wpa_supplicant structure for a network interface
2066 * Returns: A dbus message containing a name of network interface
2067 * associated with with wpa_s
2068 *
2069 * Getter for "Ifname" property.
2070 */
2071 DBusMessage * wpas_dbus_getter_ifname(DBusMessage *message,
2072 struct wpa_supplicant *wpa_s)
2073 {
2074 const char *ifname = wpa_s->ifname;
2075 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2076 &ifname);
2077 }
2078
2079
2080 /**
2081 * wpas_dbus_getter_driver - Get interface name
2082 * @message: Pointer to incoming dbus message
2083 * @wpa_s: wpa_supplicant structure for a network interface
2084 * Returns: A dbus message containing a name of network interface
2085 * driver associated with with wpa_s
2086 *
2087 * Getter for "Driver" property.
2088 */
2089 DBusMessage * wpas_dbus_getter_driver(DBusMessage *message,
2090 struct wpa_supplicant *wpa_s)
2091 {
2092 const char *driver;
2093
2094 if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2095 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2096 "wpa_s has no driver set");
2097 return wpas_dbus_error_unknown_error(message, NULL);
2098 }
2099
2100 driver = wpa_s->driver->name;
2101 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2102 &driver);
2103 }
2104
2105
2106 /**
2107 * wpas_dbus_getter_current_bss - Get current bss object path
2108 * @message: Pointer to incoming dbus message
2109 * @wpa_s: wpa_supplicant structure for a network interface
2110 * Returns: A dbus message containing a DBus object path to
2111 * current BSS
2112 *
2113 * Getter for "CurrentBSS" property.
2114 */
2115 DBusMessage * wpas_dbus_getter_current_bss(DBusMessage *message,
2116 struct wpa_supplicant *wpa_s)
2117 {
2118 DBusMessage *reply = NULL;
2119 char *bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2120 struct wpa_bss *bss = NULL;
2121
2122 if (bss_obj_path == NULL)
2123 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2124 NULL);
2125
2126 /* TODO: store current BSS or BSS id in wpa_s */
2127 if (!is_zero_ether_addr(wpa_s->bssid))
2128 bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
2129
2130 if (bss)
2131 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2132 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2133 wpa_s->dbus_new_path, bss->id);
2134 else
2135 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2136
2137 reply = wpas_dbus_simple_property_getter(message,
2138 DBUS_TYPE_OBJECT_PATH,
2139 &bss_obj_path);
2140
2141 os_free(bss_obj_path);
2142 return reply;
2143 }
2144
2145
2146 /**
2147 * wpas_dbus_getter_current_network - Get current network object path
2148 * @message: Pointer to incoming dbus message
2149 * @wpa_s: wpa_supplicant structure for a network interface
2150 * Returns: A dbus message containing a DBus object path to
2151 * current network
2152 *
2153 * Getter for "CurrentNetwork" property.
2154 */
2155 DBusMessage * wpas_dbus_getter_current_network(DBusMessage *message,
2156 struct wpa_supplicant *wpa_s)
2157 {
2158 DBusMessage *reply = NULL;
2159 char *net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2160
2161 if (net_obj_path == NULL)
2162 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2163 NULL);
2164
2165 if (wpa_s->current_ssid)
2166 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2167 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2168 wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2169 else
2170 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2171
2172 reply = wpas_dbus_simple_property_getter(message,
2173 DBUS_TYPE_OBJECT_PATH,
2174 &net_obj_path);
2175
2176 os_free(net_obj_path);
2177 return reply;
2178 }
2179
2180
2181 /**
2182 * wpas_dbus_getter_bridge_ifname - Get interface name
2183 * @message: Pointer to incoming dbus message
2184 * @wpa_s: wpa_supplicant structure for a network interface
2185 * Returns: A dbus message containing a name of bridge network
2186 * interface associated with with wpa_s
2187 *
2188 * Getter for "BridgeIfname" property.
2189 */
2190 DBusMessage * wpas_dbus_getter_bridge_ifname(DBusMessage *message,
2191 struct wpa_supplicant *wpa_s)
2192 {
2193 const char *bridge_ifname = NULL;
2194
2195 bridge_ifname = wpa_s->bridge_ifname;
2196 if (bridge_ifname == NULL) {
2197 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bridge_ifname[dbus]: "
2198 "wpa_s has no bridge interface name set");
2199 return wpas_dbus_error_unknown_error(message, NULL);
2200 }
2201
2202 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2203 &bridge_ifname);
2204 }
2205
2206
2207 /**
2208 * wpas_dbus_getter_bsss - Get array of BSSs objects
2209 * @message: Pointer to incoming dbus message
2210 * @wpa_s: wpa_supplicant structure for a network interface
2211 * Returns: a dbus message containing an array of all known BSS objects
2212 * dbus paths
2213 *
2214 * Getter for "BSSs" property.
2215 */
2216 DBusMessage * wpas_dbus_getter_bsss(DBusMessage *message,
2217 struct wpa_supplicant *wpa_s)
2218 {
2219 DBusMessage *reply = NULL;
2220 struct wpa_bss *bss;
2221 char **paths;
2222 unsigned int i = 0;
2223
2224 paths = os_zalloc(wpa_s->num_bss * sizeof(char *));
2225 if (!paths) {
2226 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2227 NULL);
2228 }
2229
2230 /* Loop through scan results and append each result's object path */
2231 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2232 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2233 if (paths[i] == NULL) {
2234 reply = dbus_message_new_error(message,
2235 DBUS_ERROR_NO_MEMORY,
2236 NULL);
2237 goto out;
2238 }
2239 /* Construct the object path for this BSS. */
2240 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2241 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2242 wpa_s->dbus_new_path, bss->id);
2243 }
2244
2245 reply = wpas_dbus_simple_array_property_getter(message,
2246 DBUS_TYPE_OBJECT_PATH,
2247 paths, wpa_s->num_bss);
2248
2249 out:
2250 while(i)
2251 os_free(paths[--i]);
2252 os_free(paths);
2253 return reply;
2254 }
2255
2256
2257 /**
2258 * wpas_dbus_getter_networks - Get array of networks objects
2259 * @message: Pointer to incoming dbus message
2260 * @wpa_s: wpa_supplicant structure for a network interface
2261 * Returns: a dbus message containing an array of all configured
2262 * networks dbus object paths.
2263 *
2264 * Getter for "Networks" property.
2265 */
2266 DBusMessage * wpas_dbus_getter_networks(DBusMessage *message,
2267 struct wpa_supplicant *wpa_s)
2268 {
2269 DBusMessage *reply = NULL;
2270 struct wpa_ssid *ssid;
2271 char **paths;
2272 unsigned int i = 0, num = 0;
2273
2274 if (wpa_s->conf == NULL) {
2275 wpa_printf(MSG_ERROR, "wpas_dbus_getter_networks[dbus]: "
2276 "An error occurred getting networks list.");
2277 return wpas_dbus_error_unknown_error(message, NULL);
2278 }
2279
2280 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2281 num++;
2282
2283 paths = os_zalloc(num * sizeof(char *));
2284 if (!paths) {
2285 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2286 NULL);
2287 }
2288
2289 /* Loop through configured networks and append object path of each */
2290 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2291 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2292 if (paths[i] == NULL) {
2293 reply = dbus_message_new_error(message,
2294 DBUS_ERROR_NO_MEMORY,
2295 NULL);
2296 goto out;
2297 }
2298
2299 /* Construct the object path for this network. */
2300 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2301 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2302 wpa_s->dbus_new_path, ssid->id);
2303 }
2304
2305 reply = wpas_dbus_simple_array_property_getter(message,
2306 DBUS_TYPE_OBJECT_PATH,
2307 paths, num);
2308
2309 out:
2310 while (i)
2311 os_free(paths[--i]);
2312 os_free(paths);
2313 return reply;
2314 }
2315
2316
2317 /**
2318 * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2319 * @message: Pointer to incoming dbus message
2320 * @wpa_s: wpa_supplicant structure for a network interface
2321 * Returns: a dbus message containing a dictionary of pairs (blob_name, blob)
2322 *
2323 * Getter for "Blobs" property.
2324 */
2325 DBusMessage * wpas_dbus_getter_blobs(DBusMessage *message,
2326 struct wpa_supplicant *wpa_s)
2327 {
2328 DBusMessage *reply = NULL;
2329 DBusMessageIter iter, variant_iter, dict_iter, entry_iter, array_iter;
2330 struct wpa_config_blob *blob;
2331
2332 if (message == NULL)
2333 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
2334 else
2335 reply = dbus_message_new_method_return(message);
2336 if (!reply)
2337 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2338 NULL);
2339
2340 dbus_message_iter_init_append(reply, &iter);
2341
2342 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
2343 "a{say}", &variant_iter) ||
2344 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2345 "{say}", &dict_iter)) {
2346 dbus_message_unref(reply);
2347 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2348 NULL);
2349 }
2350
2351 blob = wpa_s->conf->blobs;
2352 while (blob) {
2353 if (!dbus_message_iter_open_container(&dict_iter,
2354 DBUS_TYPE_DICT_ENTRY,
2355 NULL, &entry_iter) ||
2356 !dbus_message_iter_append_basic(&entry_iter,
2357 DBUS_TYPE_STRING,
2358 &(blob->name)) ||
2359 !dbus_message_iter_open_container(&entry_iter,
2360 DBUS_TYPE_ARRAY,
2361 DBUS_TYPE_BYTE_AS_STRING,
2362 &array_iter) ||
2363 !dbus_message_iter_append_fixed_array(&array_iter,
2364 DBUS_TYPE_BYTE,
2365 &(blob->data),
2366 blob->len) ||
2367 !dbus_message_iter_close_container(&entry_iter,
2368 &array_iter) ||
2369 !dbus_message_iter_close_container(&dict_iter,
2370 &entry_iter)) {
2371 dbus_message_unref(reply);
2372 return dbus_message_new_error(message,
2373 DBUS_ERROR_NO_MEMORY,
2374 NULL);
2375 }
2376
2377 blob = blob->next;
2378 }
2379
2380 if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
2381 !dbus_message_iter_close_container(&iter, &variant_iter)) {
2382 dbus_message_unref(reply);
2383 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2384 NULL);
2385 }
2386
2387 return reply;
2388 }
2389
2390
2391 /**
2392 * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
2393 * @message: Pointer to incoming dbus message
2394 * @bss: a pair of interface describing structure and bss's id
2395 * Returns: a dbus message containing the bssid for the requested bss
2396 *
2397 * Getter for "BSSID" property.
2398 */
2399 DBusMessage * wpas_dbus_getter_bss_bssid(DBusMessage *message,
2400 struct bss_handler_args *bss)
2401 {
2402 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2403
2404 if (!res) {
2405 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_bssid[dbus]: no "
2406 "bss with id %d found", bss->id);
2407 return NULL;
2408 }
2409
2410 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2411 res->bssid, ETH_ALEN);
2412 }
2413
2414
2415 /**
2416 * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
2417 * @message: Pointer to incoming dbus message
2418 * @bss: a pair of interface describing structure and bss's id
2419 * Returns: a dbus message containing the ssid for the requested bss
2420 *
2421 * Getter for "SSID" property.
2422 */
2423 DBusMessage * wpas_dbus_getter_bss_ssid(DBusMessage *message,
2424 struct bss_handler_args *bss)
2425 {
2426 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2427
2428 if (!res) {
2429 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_ssid[dbus]: no "
2430 "bss with id %d found", bss->id);
2431 return NULL;
2432 }
2433
2434 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2435 res->ssid,
2436 res->ssid_len);
2437 }
2438
2439
2440 /**
2441 * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
2442 * @message: Pointer to incoming dbus message
2443 * @bss: a pair of interface describing structure and bss's id
2444 * Returns: a dbus message containing the privacy flag value of requested bss
2445 *
2446 * Getter for "Privacy" property.
2447 */
2448 DBusMessage * wpas_dbus_getter_bss_privacy(DBusMessage *message,
2449 struct bss_handler_args *bss)
2450 {
2451 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2452 dbus_bool_t privacy;
2453
2454 if (!res) {
2455 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_privacy[dbus]: no "
2456 "bss with id %d found", bss->id);
2457 return NULL;
2458 }
2459
2460 privacy = res->caps && IEEE80211_CAP_PRIVACY ? TRUE : FALSE;
2461 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
2462 &privacy);
2463 }
2464
2465
2466 /**
2467 * wpas_dbus_getter_bss_mode - Return the mode of a BSS
2468 * @message: Pointer to incoming dbus message
2469 * @bss: a pair of interface describing structure and bss's id
2470 * Returns: a dbus message containing the mode of requested bss
2471 *
2472 * Getter for "Mode" property.
2473 */
2474 DBusMessage * wpas_dbus_getter_bss_mode(DBusMessage *message,
2475 struct bss_handler_args *bss)
2476 {
2477 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2478 const char *mode;
2479
2480 if (!res) {
2481 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_mode[dbus]: no "
2482 "bss with id %d found", bss->id);
2483 return NULL;
2484 }
2485
2486 if (res->caps & IEEE80211_CAP_IBSS)
2487 mode = "ad-hoc";
2488 else
2489 mode = "infrastructure";
2490
2491 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2492 &mode);
2493 }
2494
2495
2496 /**
2497 * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
2498 * @message: Pointer to incoming dbus message
2499 * @bss: a pair of interface describing structure and bss's id
2500 * Returns: a dbus message containing the signal strength of requested bss
2501 *
2502 * Getter for "Level" property.
2503 */
2504 DBusMessage * wpas_dbus_getter_bss_signal(DBusMessage *message,
2505 struct bss_handler_args *bss)
2506 {
2507 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2508
2509 if (!res) {
2510 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_signal[dbus]: no "
2511 "bss with id %d found", bss->id);
2512 return NULL;
2513 }
2514
2515 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_INT16,
2516 &res->level);
2517 }
2518
2519
2520 /**
2521 * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
2522 * @message: Pointer to incoming dbus message
2523 * @bss: a pair of interface describing structure and bss's id
2524 * Returns: a dbus message containing the frequency of requested bss
2525 *
2526 * Getter for "Frequency" property.
2527 */
2528 DBusMessage * wpas_dbus_getter_bss_frequency(DBusMessage *message,
2529 struct bss_handler_args *bss)
2530 {
2531 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2532
2533 if (!res) {
2534 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_frequency[dbus]: "
2535 "no bss with id %d found", bss->id);
2536 return NULL;
2537 }
2538
2539 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT16,
2540 &res->freq);
2541 }
2542
2543
2544 /**
2545 * wpas_dbus_getter_bss_max_rate - Return the maximal rate of a BSS
2546 * @message: Pointer to incoming dbus message
2547 * @bss: a pair of interface describing structure and bss's id
2548 * Returns: a dbus message containing the maximal data rate of requested bss
2549 *
2550 * Getter for "MaxRate" property.
2551 */
2552 DBusMessage * wpas_dbus_getter_bss_max_rate(DBusMessage *message,
2553 struct bss_handler_args *bss)
2554 {
2555 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2556 int max_rate;
2557
2558 if (!res) {
2559 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_max_rate[dbus]: "
2560 "no bss with id %d found", bss->id);
2561 return NULL;
2562 }
2563
2564 max_rate = wpa_bss_get_max_rate(res);
2565 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT16,
2566 &max_rate);
2567 }
2568
2569
2570 /**
2571 * wpas_dbus_getter_bss_wpaie - Return the WPA IE of a BSS
2572 * @message: Pointer to incoming dbus message
2573 * @bss: a pair of interface describing structure and bss's id
2574 * Returns: a dbus message containing the WPA information elements
2575 * of requested bss
2576 *
2577 * Getter for "WPAIE" property.
2578 */
2579 DBusMessage * wpas_dbus_getter_bss_wpaie(DBusMessage *message,
2580 struct bss_handler_args *bss)
2581 {
2582 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2583 const u8 *ie;
2584
2585 if (!res) {
2586 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_wpaie[dbus]: no "
2587 "bss with id %d found", bss->id);
2588 return NULL;
2589 }
2590
2591 ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
2592 if (!ie)
2593 return NULL;
2594 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2595 ie, ie[1] + 2);
2596 }
2597
2598
2599 /**
2600 * wpas_dbus_getter_bss_rsnie - Return the RSN IE of a BSS
2601 * @message: Pointer to incoming dbus message
2602 * @bss: a pair of interface describing structure and bss's id
2603 * Returns: a dbus message containing the RSN information elements
2604 * of requested bss
2605 *
2606 * Getter for "RSNIE" property.
2607 */
2608 DBusMessage * wpas_dbus_getter_bss_rsnie(DBusMessage *message,
2609 struct bss_handler_args *bss)
2610 {
2611 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2612 const u8 *ie;
2613
2614 if (!res) {
2615 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_rsnie[dbus]: no "
2616 "bss with id %d found", bss->id);
2617 return NULL;
2618 }
2619
2620 ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
2621 if (!ie)
2622 return NULL;
2623 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2624 ie, ie[1] + 2);
2625 }
2626
2627
2628 /**
2629 * wpas_dbus_getter_bss_wpsie - Return the WPS IE of a BSS
2630 * @message: Pointer to incoming dbus message
2631 * @bss: a pair of interface describing structure and bss's id
2632 * Returns: a dbus message containing the WPS information elements
2633 * of requested bss
2634 *
2635 * Getter for "WPSIE" property.
2636 */
2637 DBusMessage * wpas_dbus_getter_bss_wpsie(DBusMessage *message,
2638 struct bss_handler_args *bss)
2639 {
2640 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2641 const u8 *ie;
2642
2643 if (!res) {
2644 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_wpsie[dbus]: no "
2645 "bss with id %d found", bss->id);
2646 return NULL;
2647 }
2648
2649 ie = wpa_bss_get_vendor_ie(res, WPS_IE_VENDOR_TYPE);
2650 if (!ie)
2651 return NULL;
2652 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2653 ie, ie[1] + 2);
2654 }
2655
2656
2657 /**
2658 * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
2659 * @message: Pointer to incoming dbus message
2660 * @wpas_dbus_setter_enabled: wpa_supplicant structure for a network interface
2661 * and wpa_ssid structure for a configured network
2662 * Returns: DBus message with boolean indicating state of configured network
2663 * or DBus error on failure
2664 *
2665 * Getter for "enabled" property of a configured network.
2666 */
2667 DBusMessage * wpas_dbus_getter_enabled(DBusMessage *message,
2668 struct network_handler_args *net)
2669 {
2670 dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
2671 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
2672 &enabled);
2673 }
2674
2675
2676 /**
2677 * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
2678 * @message: Pointer to incoming dbus message
2679 * @wpas_dbus_setter_enabled: wpa_supplicant structure for a network interface
2680 * and wpa_ssid structure for a configured network
2681 * Returns: NULL indicating success or DBus error on failure
2682 *
2683 * Setter for "Enabled" property of a configured network.
2684 */
2685 DBusMessage * wpas_dbus_setter_enabled(DBusMessage *message,
2686 struct network_handler_args *net)
2687 {
2688 DBusMessage *reply = NULL;
2689
2690 struct wpa_supplicant *wpa_s;
2691 struct wpa_ssid *ssid;
2692
2693 dbus_bool_t enable;
2694
2695 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
2696 &enable);
2697
2698 if (reply)
2699 return reply;
2700
2701 wpa_s = net->wpa_s;
2702 ssid = net->ssid;
2703
2704 if (enable)
2705 wpa_supplicant_enable_network(wpa_s, ssid);
2706 else
2707 wpa_supplicant_disable_network(wpa_s, ssid);
2708
2709 return NULL;
2710 }
2711
2712
2713 /**
2714 * wpas_dbus_getter_network_properties - Get options for a configured network
2715 * @message: Pointer to incoming dbus message
2716 * @net: wpa_supplicant structure for a network interface and
2717 * wpa_ssid structure for a configured network
2718 * Returns: DBus message with network properties or DBus error on failure
2719 *
2720 * Getter for "Properties" property of a configured network.
2721 */
2722 DBusMessage * wpas_dbus_getter_network_properties(
2723 DBusMessage *message, struct network_handler_args *net)
2724 {
2725 DBusMessage *reply = NULL;
2726 DBusMessageIter iter, variant_iter, dict_iter;
2727 char **iterator;
2728 char **props = wpa_config_get_all(net->ssid, 0);
2729 if (!props)
2730 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2731 NULL);
2732
2733 if (message == NULL)
2734 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
2735 else
2736 reply = dbus_message_new_method_return(message);
2737 if (!reply) {
2738 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2739 NULL);
2740 goto out;
2741 }
2742
2743 dbus_message_iter_init_append(reply, &iter);
2744
2745 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
2746 "a{sv}", &variant_iter) ||
2747 !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
2748 dbus_message_unref(reply);
2749 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2750 NULL);
2751 goto out;
2752 }
2753
2754 iterator = props;
2755 while (*iterator) {
2756 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
2757 *(iterator + 1))) {
2758 dbus_message_unref(reply);
2759 reply = dbus_message_new_error(message,
2760 DBUS_ERROR_NO_MEMORY,
2761 NULL);
2762 goto out;
2763 }
2764 iterator += 2;
2765 }
2766
2767
2768 if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
2769 !dbus_message_iter_close_container(&iter, &variant_iter)) {
2770 dbus_message_unref(reply);
2771 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2772 NULL);
2773 goto out;
2774 }
2775
2776 out:
2777 iterator = props;
2778 while (*iterator) {
2779 os_free(*iterator);
2780 iterator++;
2781 }
2782 os_free(props);
2783 return reply;
2784 }
2785
2786
2787 /**
2788 * wpas_dbus_setter_network_properties - Set options for a configured network
2789 * @message: Pointer to incoming dbus message
2790 * @net: wpa_supplicant structure for a network interface and
2791 * wpa_ssid structure for a configured network
2792 * Returns: NULL indicating success or DBus error on failure
2793 *
2794 * Setter for "Properties" property of a configured network.
2795 */
2796 DBusMessage * wpas_dbus_setter_network_properties(
2797 DBusMessage *message, struct network_handler_args *net)
2798 {
2799 struct wpa_ssid *ssid = net->ssid;
2800
2801 DBusMessage *reply = NULL;
2802 DBusMessageIter iter, variant_iter;
2803
2804 dbus_message_iter_init(message, &iter);
2805
2806 dbus_message_iter_next(&iter);
2807 dbus_message_iter_next(&iter);
2808
2809 dbus_message_iter_recurse(&iter, &variant_iter);
2810
2811 reply = set_network_properties(message, ssid, &variant_iter);
2812 if (reply)
2813 wpa_printf(MSG_DEBUG, "dbus control interface couldn't set "
2814 "network properties");
2815
2816 return reply;
2817 }