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nl80211: Fix a typo
[hostap-gosc2009.git] / wpa_supplicant / dbus / dbus_old_handlers.c
blob6527e66ce97b91ba1536b677144fecffcb0d4ea5
1 /*
2 * WPA Supplicant / dbus-based control interface
3 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15 #include "includes.h"
16 #include <dbus/dbus.h>
17
18 #include "common.h"
19 #include "eap_peer/eap_methods.h"
20 #include "common/ieee802_11_defs.h"
21 #include "eapol_supp/eapol_supp_sm.h"
22 #include "rsn_supp/wpa.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 "../scan.h"
30 #include "dbus_old.h"
31 #include "dbus_old_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 * wpas_dbus_new_invalid_opts_error - Return a new invalid options error message
40 * @message: Pointer to incoming dbus message this error refers to
41 * Returns: a dbus error message
42 *
43 * Convenience function to create and return an invalid options error
44 */
45 DBusMessage * wpas_dbus_new_invalid_opts_error(DBusMessage *message,
46 const char *arg)
47 {
48 DBusMessage *reply;
49
50 reply = dbus_message_new_error(message, WPAS_ERROR_INVALID_OPTS,
51 "Did not receive correct message "
52 "arguments.");
53 if (arg != NULL)
54 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
55 DBUS_TYPE_INVALID);
56
57 return reply;
58 }
59
60
61 /**
62 * wpas_dbus_new_success_reply - Return a new success reply message
63 * @message: Pointer to incoming dbus message this reply refers to
64 * Returns: a dbus message containing a single UINT32 that indicates
65 * success (ie, a value of 1)
66 *
67 * Convenience function to create and return a success reply message
68 */
69 DBusMessage * wpas_dbus_new_success_reply(DBusMessage *message)
70 {
71 DBusMessage *reply;
72 unsigned int success = 1;
73
74 reply = dbus_message_new_method_return(message);
75 dbus_message_append_args(reply, DBUS_TYPE_UINT32, &success,
76 DBUS_TYPE_INVALID);
77 return reply;
78 }
79
80
81 /**
82 * wpas_dbus_global_add_interface - Request registration of a network interface
83 * @message: Pointer to incoming dbus message
84 * @global: %wpa_supplicant global data structure
85 * Returns: The object path of the new interface object,
86 * or a dbus error message with more information
87 *
88 * Handler function for "addInterface" method call. Handles requests
89 * by dbus clients to register a network interface that wpa_supplicant
90 * will manage.
91 */
92 DBusMessage * wpas_dbus_global_add_interface(DBusMessage *message,
93 struct wpa_global *global)
94 {
95 char *ifname = NULL;
96 char *driver = NULL;
97 char *driver_param = NULL;
98 char *confname = NULL;
99 char *bridge_ifname = NULL;
100 DBusMessage *reply = NULL;
101 DBusMessageIter iter;
102
103 dbus_message_iter_init(message, &iter);
104
105 /* First argument: interface name (DBUS_TYPE_STRING)
106 * Required; must be non-zero length
107 */
108 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
109 goto error;
110 dbus_message_iter_get_basic(&iter, &ifname);
111 if (!os_strlen(ifname))
112 goto error;
113
114 /* Second argument: dict of options */
115 if (dbus_message_iter_next(&iter)) {
116 DBusMessageIter iter_dict;
117 struct wpa_dbus_dict_entry entry;
118
119 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
120 goto error;
121 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
122 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
123 goto error;
124 if (!strcmp(entry.key, "driver") &&
125 (entry.type == DBUS_TYPE_STRING)) {
126 driver = os_strdup(entry.str_value);
127 wpa_dbus_dict_entry_clear(&entry);
128 if (driver == NULL)
129 goto error;
130 } else if (!strcmp(entry.key, "driver-params") &&
131 (entry.type == DBUS_TYPE_STRING)) {
132 driver_param = os_strdup(entry.str_value);
133 wpa_dbus_dict_entry_clear(&entry);
134 if (driver_param == NULL)
135 goto error;
136 } else if (!strcmp(entry.key, "config-file") &&
137 (entry.type == DBUS_TYPE_STRING)) {
138 confname = os_strdup(entry.str_value);
139 wpa_dbus_dict_entry_clear(&entry);
140 if (confname == NULL)
141 goto error;
142 } else if (!strcmp(entry.key, "bridge-ifname") &&
143 (entry.type == DBUS_TYPE_STRING)) {
144 bridge_ifname = os_strdup(entry.str_value);
145 wpa_dbus_dict_entry_clear(&entry);
146 if (bridge_ifname == NULL)
147 goto error;
148 } else {
149 wpa_dbus_dict_entry_clear(&entry);
150 goto error;
151 }
152 }
153 }
154
155 /*
156 * Try to get the wpa_supplicant record for this iface, return
157 * an error if we already control it.
158 */
159 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
160 reply = dbus_message_new_error(message,
161 WPAS_ERROR_EXISTS_ERROR,
162 "wpa_supplicant already "
163 "controls this interface.");
164 } else {
165 struct wpa_supplicant *wpa_s;
166 struct wpa_interface iface;
167 os_memset(&iface, 0, sizeof(iface));
168 iface.ifname = ifname;
169 iface.driver = driver;
170 iface.driver_param = driver_param;
171 iface.confname = confname;
172 iface.bridge_ifname = bridge_ifname;
173 /* Otherwise, have wpa_supplicant attach to it. */
174 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
175 const char *path = wpa_s->dbus_path;
176 reply = dbus_message_new_method_return(message);
177 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
178 &path, DBUS_TYPE_INVALID);
179 } else {
180 reply = dbus_message_new_error(message,
181 WPAS_ERROR_ADD_ERROR,
182 "wpa_supplicant "
183 "couldn't grab this "
184 "interface.");
185 }
186 }
187
188 out:
189 os_free(driver);
190 os_free(driver_param);
191 os_free(confname);
192 os_free(bridge_ifname);
193 return reply;
194
195 error:
196 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
197 goto out;
198 }
199
200
201 /**
202 * wpas_dbus_global_remove_interface - Request deregistration of an interface
203 * @message: Pointer to incoming dbus message
204 * @global: wpa_supplicant global data structure
205 * Returns: a dbus message containing a UINT32 indicating success (1) or
206 * failure (0), or returns a dbus error message with more information
207 *
208 * Handler function for "removeInterface" method call. Handles requests
209 * by dbus clients to deregister a network interface that wpa_supplicant
210 * currently manages.
211 */
212 DBusMessage * wpas_dbus_global_remove_interface(DBusMessage *message,
213 struct wpa_global *global)
214 {
215 struct wpa_supplicant *wpa_s;
216 char *path;
217 DBusMessage *reply = NULL;
218
219 if (!dbus_message_get_args(message, NULL,
220 DBUS_TYPE_OBJECT_PATH, &path,
221 DBUS_TYPE_INVALID)) {
222 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
223 goto out;
224 }
225
226 wpa_s = wpa_supplicant_get_iface_by_dbus_path(global, path);
227 if (wpa_s == NULL) {
228 reply = wpas_dbus_new_invalid_iface_error(message);
229 goto out;
230 }
231
232 if (!wpa_supplicant_remove_iface(global, wpa_s)) {
233 reply = wpas_dbus_new_success_reply(message);
234 } else {
235 reply = dbus_message_new_error(message,
236 WPAS_ERROR_REMOVE_ERROR,
237 "wpa_supplicant couldn't "
238 "remove this interface.");
239 }
240
241 out:
242 return reply;
243 }
244
245
246 /**
247 * wpas_dbus_global_get_interface - Get the object path for an interface name
248 * @message: Pointer to incoming dbus message
249 * @global: %wpa_supplicant global data structure
250 * Returns: The object path of the interface object,
251 * or a dbus error message with more information
252 *
253 * Handler function for "getInterface" method call. Handles requests
254 * by dbus clients for the object path of an specific network interface.
255 */
256 DBusMessage * wpas_dbus_global_get_interface(DBusMessage *message,
257 struct wpa_global *global)
258 {
259 DBusMessage *reply = NULL;
260 const char *ifname;
261 const char *path;
262 struct wpa_supplicant *wpa_s;
263
264 if (!dbus_message_get_args(message, NULL,
265 DBUS_TYPE_STRING, &ifname,
266 DBUS_TYPE_INVALID)) {
267 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
268 goto out;
269 }
270
271 wpa_s = wpa_supplicant_get_iface(global, ifname);
272 if (wpa_s == NULL) {
273 reply = wpas_dbus_new_invalid_iface_error(message);
274 goto out;
275 }
276
277 path = wpa_s->dbus_path;
278 reply = dbus_message_new_method_return(message);
279 dbus_message_append_args(reply,
280 DBUS_TYPE_OBJECT_PATH, &path,
281 DBUS_TYPE_INVALID);
282
283 out:
284 return reply;
285 }
286
287
288 /**
289 * wpas_dbus_global_set_debugparams- Set the debug params
290 * @message: Pointer to incoming dbus message
291 * @global: %wpa_supplicant global data structure
292 * Returns: a dbus message containing a UINT32 indicating success (1) or
293 * failure (0), or returns a dbus error message with more information
294 *
295 * Handler function for "setDebugParams" method call. Handles requests
296 * by dbus clients for the object path of an specific network interface.
297 */
298 DBusMessage * wpas_dbus_global_set_debugparams(DBusMessage *message,
299 struct wpa_global *global)
300 {
301 DBusMessage *reply = NULL;
302 int debug_level;
303 dbus_bool_t debug_timestamp;
304 dbus_bool_t debug_show_keys;
305
306 if (!dbus_message_get_args(message, NULL,
307 DBUS_TYPE_INT32, &debug_level,
308 DBUS_TYPE_BOOLEAN, &debug_timestamp,
309 DBUS_TYPE_BOOLEAN, &debug_show_keys,
310 DBUS_TYPE_INVALID)) {
311 return wpas_dbus_new_invalid_opts_error(message, NULL);
312 }
313
314 if (wpa_supplicant_set_debug_params(global, debug_level,
315 debug_timestamp ? 1 : 0,
316 debug_show_keys ? 1 : 0)) {
317 return wpas_dbus_new_invalid_opts_error(message, NULL);
318 }
319
320 reply = wpas_dbus_new_success_reply(message);
321
322 return reply;
323 }
324
325
326 /**
327 * wpas_dbus_iface_scan - Request a wireless scan on an interface
328 * @message: Pointer to incoming dbus message
329 * @wpa_s: wpa_supplicant structure for a network interface
330 * Returns: a dbus message containing a UINT32 indicating success (1) or
331 * failure (0)
332 *
333 * Handler function for "scan" method call of a network device. Requests
334 * that wpa_supplicant perform a wireless scan as soon as possible
335 * on a particular wireless interface.
336 */
337 DBusMessage * wpas_dbus_iface_scan(DBusMessage *message,
338 struct wpa_supplicant *wpa_s)
339 {
340 wpa_s->scan_req = 2;
341 wpa_supplicant_req_scan(wpa_s, 0, 0);
342 return wpas_dbus_new_success_reply(message);
343 }
344
345
346 /**
347 * wpas_dbus_iface_scan_results - Get the results of a recent scan request
348 * @message: Pointer to incoming dbus message
349 * @wpa_s: wpa_supplicant structure for a network interface
350 * Returns: a dbus message containing a dbus array of objects paths, or returns
351 * a dbus error message if not scan results could be found
352 *
353 * Handler function for "scanResults" method call of a network device. Returns
354 * a dbus message containing the object paths of wireless networks found.
355 */
356 DBusMessage * wpas_dbus_iface_scan_results(DBusMessage *message,
357 struct wpa_supplicant *wpa_s)
358 {
359 DBusMessage *reply = NULL;
360 DBusMessageIter iter;
361 DBusMessageIter sub_iter;
362 struct wpa_bss *bss;
363
364 /* Create and initialize the return message */
365 reply = dbus_message_new_method_return(message);
366 dbus_message_iter_init_append(reply, &iter);
367 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
368 DBUS_TYPE_OBJECT_PATH_AS_STRING,
369 &sub_iter);
370
371 /* Loop through scan results and append each result's object path */
372 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
373 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX];
374 char *path = path_buf;
375
376 /* Construct the object path for this network. Note that ':'
377 * is not a valid character in dbus object paths.
378 */
379 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
380 "%s/" WPAS_DBUS_BSSIDS_PART "/"
381 WPAS_DBUS_BSSID_FORMAT,
382 wpa_s->dbus_path, MAC2STR(bss->bssid));
383 dbus_message_iter_append_basic(&sub_iter,
384 DBUS_TYPE_OBJECT_PATH, &path);
385 }
386
387 dbus_message_iter_close_container(&iter, &sub_iter);
388
389 return reply;
390 }
391
392
393 /**
394 * wpas_dbus_bssid_properties - Return the properties of a scanned network
395 * @message: Pointer to incoming dbus message
396 * @wpa_s: wpa_supplicant structure for a network interface
397 * @res: wpa_supplicant scan result for which to get properties
398 * Returns: a dbus message containing the properties for the requested network
399 *
400 * Handler function for "properties" method call of a scanned network.
401 * Returns a dbus message containing the the properties.
402 */
403 DBusMessage * wpas_dbus_bssid_properties(DBusMessage *message,
404 struct wpa_supplicant *wpa_s,
405 struct wpa_bss *bss)
406 {
407 DBusMessage *reply;
408 DBusMessageIter iter, iter_dict;
409 const u8 *ie;
410
411 /* Dump the properties into a dbus message */
412 reply = dbus_message_new_method_return(message);
413
414 dbus_message_iter_init_append(reply, &iter);
415 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
416 goto error;
417
418 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "bssid",
419 (const char *) bss->bssid,
420 ETH_ALEN))
421 goto error;
422
423 ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
424 if (ie) {
425 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "ssid",
426 (const char *) (ie + 2),
427 ie[1]))
428 goto error;
429 }
430
431 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
432 if (ie) {
433 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "wpaie",
434 (const char *) ie,
435 ie[1] + 2))
436 goto error;
437 }
438
439 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
440 if (ie) {
441 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "rsnie",
442 (const char *) ie,
443 ie[1] + 2))
444 goto error;
445 }
446
447 ie = wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
448 if (ie) {
449 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "wpsie",
450 (const char *) ie,
451 ie[1] + 2))
452 goto error;
453 }
454
455 if (bss->freq) {
456 if (!wpa_dbus_dict_append_int32(&iter_dict, "frequency",
457 bss->freq))
458 goto error;
459 }
460 if (!wpa_dbus_dict_append_uint16(&iter_dict, "capabilities",
461 bss->caps))
462 goto error;
463 if (!(bss->flags & WPA_BSS_QUAL_INVALID) &&
464 !wpa_dbus_dict_append_int32(&iter_dict, "quality", bss->qual))
465 goto error;
466 if (!(bss->flags & WPA_BSS_NOISE_INVALID) &&
467 !wpa_dbus_dict_append_int32(&iter_dict, "noise", bss->noise))
468 goto error;
469 if (!(bss->flags & WPA_BSS_LEVEL_INVALID) &&
470 !wpa_dbus_dict_append_int32(&iter_dict, "level", bss->level))
471 goto error;
472 if (!wpa_dbus_dict_append_int32(&iter_dict, "maxrate",
473 wpa_bss_get_max_rate(bss) * 500000))
474 goto error;
475
476 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
477 goto error;
478
479 return reply;
480
481 error:
482 if (reply)
483 dbus_message_unref(reply);
484 return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
485 "an internal error occurred returning "
486 "BSSID properties.");
487 }
488
489
490 /**
491 * wpas_dbus_iface_capabilities - Return interface capabilities
492 * @message: Pointer to incoming dbus message
493 * @wpa_s: wpa_supplicant structure for a network interface
494 * Returns: A dbus message containing a dict of strings
495 *
496 * Handler function for "capabilities" method call of an interface.
497 */
498 DBusMessage * wpas_dbus_iface_capabilities(DBusMessage *message,
499 struct wpa_supplicant *wpa_s)
500 {
501 DBusMessage *reply = NULL;
502 struct wpa_driver_capa capa;
503 int res;
504 DBusMessageIter iter, iter_dict;
505 char **eap_methods;
506 size_t num_items;
507 dbus_bool_t strict = FALSE;
508 DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
509
510 if (!dbus_message_get_args(message, NULL,
511 DBUS_TYPE_BOOLEAN, &strict,
512 DBUS_TYPE_INVALID))
513 strict = FALSE;
514
515 reply = dbus_message_new_method_return(message);
516
517 dbus_message_iter_init_append(reply, &iter);
518 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
519 goto error;
520
521 /* EAP methods */
522 eap_methods = eap_get_names_as_string_array(&num_items);
523 if (eap_methods) {
524 dbus_bool_t success = FALSE;
525 size_t i = 0;
526
527 success = wpa_dbus_dict_append_string_array(
528 &iter_dict, "eap", (const char **) eap_methods,
529 num_items);
530
531 /* free returned method array */
532 while (eap_methods[i])
533 os_free(eap_methods[i++]);
534 os_free(eap_methods);
535
536 if (!success)
537 goto error;
538 }
539
540 res = wpa_drv_get_capa(wpa_s, &capa);
541
542 /***** pairwise cipher */
543 if (res < 0) {
544 if (!strict) {
545 const char *args[] = {"CCMP", "TKIP", "NONE"};
546 if (!wpa_dbus_dict_append_string_array(
547 &iter_dict, "pairwise", args,
548 sizeof(args) / sizeof(char*)))
549 goto error;
550 }
551 } else {
552 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "pairwise",
553 &iter_dict_entry,
554 &iter_dict_val,
555 &iter_array))
556 goto error;
557
558 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
559 if (!wpa_dbus_dict_string_array_add_element(
560 &iter_array, "CCMP"))
561 goto error;
562 }
563
564 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
565 if (!wpa_dbus_dict_string_array_add_element(
566 &iter_array, "TKIP"))
567 goto error;
568 }
569
570 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
571 if (!wpa_dbus_dict_string_array_add_element(
572 &iter_array, "NONE"))
573 goto error;
574 }
575
576 if (!wpa_dbus_dict_end_string_array(&iter_dict,
577 &iter_dict_entry,
578 &iter_dict_val,
579 &iter_array))
580 goto error;
581 }
582
583 /***** group cipher */
584 if (res < 0) {
585 if (!strict) {
586 const char *args[] = {
587 "CCMP", "TKIP", "WEP104", "WEP40"
588 };
589 if (!wpa_dbus_dict_append_string_array(
590 &iter_dict, "group", args,
591 sizeof(args) / sizeof(char*)))
592 goto error;
593 }
594 } else {
595 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "group",
596 &iter_dict_entry,
597 &iter_dict_val,
598 &iter_array))
599 goto error;
600
601 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
602 if (!wpa_dbus_dict_string_array_add_element(
603 &iter_array, "CCMP"))
604 goto error;
605 }
606
607 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
608 if (!wpa_dbus_dict_string_array_add_element(
609 &iter_array, "TKIP"))
610 goto error;
611 }
612
613 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
614 if (!wpa_dbus_dict_string_array_add_element(
615 &iter_array, "WEP104"))
616 goto error;
617 }
618
619 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
620 if (!wpa_dbus_dict_string_array_add_element(
621 &iter_array, "WEP40"))
622 goto error;
623 }
624
625 if (!wpa_dbus_dict_end_string_array(&iter_dict,
626 &iter_dict_entry,
627 &iter_dict_val,
628 &iter_array))
629 goto error;
630 }
631
632 /***** key management */
633 if (res < 0) {
634 if (!strict) {
635 const char *args[] = {
636 "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
637 "NONE"
638 };
639 if (!wpa_dbus_dict_append_string_array(
640 &iter_dict, "key_mgmt", args,
641 sizeof(args) / sizeof(char*)))
642 goto error;
643 }
644 } else {
645 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "key_mgmt",
646 &iter_dict_entry,
647 &iter_dict_val,
648 &iter_array))
649 goto error;
650
651 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
652 "NONE"))
653 goto error;
654
655 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
656 "IEEE8021X"))
657 goto error;
658
659 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
660 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
661 if (!wpa_dbus_dict_string_array_add_element(
662 &iter_array, "WPA-EAP"))
663 goto error;
664 }
665
666 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
667 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
668 if (!wpa_dbus_dict_string_array_add_element(
669 &iter_array, "WPA-PSK"))
670 goto error;
671 }
672
673 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
674 if (!wpa_dbus_dict_string_array_add_element(
675 &iter_array, "WPA-NONE"))
676 goto error;
677 }
678
679 if (!wpa_dbus_dict_end_string_array(&iter_dict,
680 &iter_dict_entry,
681 &iter_dict_val,
682 &iter_array))
683 goto error;
684 }
685
686 /***** WPA protocol */
687 if (res < 0) {
688 if (!strict) {
689 const char *args[] = { "RSN", "WPA" };
690 if (!wpa_dbus_dict_append_string_array(
691 &iter_dict, "proto", args,
692 sizeof(args) / sizeof(char*)))
693 goto error;
694 }
695 } else {
696 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "proto",
697 &iter_dict_entry,
698 &iter_dict_val,
699 &iter_array))
700 goto error;
701
702 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
703 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
704 if (!wpa_dbus_dict_string_array_add_element(
705 &iter_array, "RSN"))
706 goto error;
707 }
708
709 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
710 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
711 if (!wpa_dbus_dict_string_array_add_element(
712 &iter_array, "WPA"))
713 goto error;
714 }
715
716 if (!wpa_dbus_dict_end_string_array(&iter_dict,
717 &iter_dict_entry,
718 &iter_dict_val,
719 &iter_array))
720 goto error;
721 }
722
723 /***** auth alg */
724 if (res < 0) {
725 if (!strict) {
726 const char *args[] = { "OPEN", "SHARED", "LEAP" };
727 if (!wpa_dbus_dict_append_string_array(
728 &iter_dict, "auth_alg", args,
729 sizeof(args) / sizeof(char*)))
730 goto error;
731 }
732 } else {
733 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "auth_alg",
734 &iter_dict_entry,
735 &iter_dict_val,
736 &iter_array))
737 goto error;
738
739 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
740 if (!wpa_dbus_dict_string_array_add_element(
741 &iter_array, "OPEN"))
742 goto error;
743 }
744
745 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
746 if (!wpa_dbus_dict_string_array_add_element(
747 &iter_array, "SHARED"))
748 goto error;
749 }
750
751 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
752 if (!wpa_dbus_dict_string_array_add_element(
753 &iter_array, "LEAP"))
754 goto error;
755 }
756
757 if (!wpa_dbus_dict_end_string_array(&iter_dict,
758 &iter_dict_entry,
759 &iter_dict_val,
760 &iter_array))
761 goto error;
762 }
763
764 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
765 goto error;
766
767 return reply;
768
769 error:
770 if (reply)
771 dbus_message_unref(reply);
772 return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
773 "an internal error occurred returning "
774 "interface capabilities.");
775 }
776
777
778 /**
779 * wpas_dbus_iface_add_network - Add a new configured network
780 * @message: Pointer to incoming dbus message
781 * @wpa_s: wpa_supplicant structure for a network interface
782 * Returns: A dbus message containing the object path of the new network
783 *
784 * Handler function for "addNetwork" method call of a network interface.
785 */
786 DBusMessage * wpas_dbus_iface_add_network(DBusMessage *message,
787 struct wpa_supplicant *wpa_s)
788 {
789 DBusMessage *reply = NULL;
790 struct wpa_ssid *ssid;
791 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
792
793 ssid = wpa_config_add_network(wpa_s->conf);
794 if (ssid == NULL) {
795 reply = dbus_message_new_error(message,
796 WPAS_ERROR_ADD_NETWORK_ERROR,
797 "wpa_supplicant could not add "
798 "a network on this interface.");
799 goto out;
800 }
801 wpas_notify_network_added(wpa_s, ssid);
802 ssid->disabled = 1;
803 wpa_config_set_network_defaults(ssid);
804
805 /* Construct the object path for this network. */
806 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
807 "%s/" WPAS_DBUS_NETWORKS_PART "/%d",
808 wpa_s->dbus_path, ssid->id);
809
810 reply = dbus_message_new_method_return(message);
811 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
812 &path, DBUS_TYPE_INVALID);
813
814 out:
815 return reply;
816 }
817
818
819 /**
820 * wpas_dbus_iface_remove_network - Remove a configured network
821 * @message: Pointer to incoming dbus message
822 * @wpa_s: wpa_supplicant structure for a network interface
823 * Returns: A dbus message containing a UINT32 indicating success (1) or
824 * failure (0)
825 *
826 * Handler function for "removeNetwork" method call of a network interface.
827 */
828 DBusMessage * wpas_dbus_iface_remove_network(DBusMessage *message,
829 struct wpa_supplicant *wpa_s)
830 {
831 DBusMessage *reply = NULL;
832 const char *op;
833 char *iface = NULL, *net_id = NULL;
834 int id;
835 struct wpa_ssid *ssid;
836
837 if (!dbus_message_get_args(message, NULL,
838 DBUS_TYPE_OBJECT_PATH, &op,
839 DBUS_TYPE_INVALID)) {
840 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
841 goto out;
842 }
843
844 /* Extract the network ID */
845 iface = wpas_dbus_decompose_object_path(op, &net_id, NULL);
846 if (iface == NULL) {
847 reply = wpas_dbus_new_invalid_network_error(message);
848 goto out;
849 }
850
851 /* Ensure the network is actually a child of this interface */
852 if (os_strcmp(iface, wpa_s->dbus_path) != 0) {
853 reply = wpas_dbus_new_invalid_network_error(message);
854 goto out;
855 }
856
857 id = strtoul(net_id, NULL, 10);
858 ssid = wpa_config_get_network(wpa_s->conf, id);
859 if (ssid == NULL) {
860 reply = wpas_dbus_new_invalid_network_error(message);
861 goto out;
862 }
863
864 wpas_notify_network_removed(wpa_s, ssid);
865
866 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
867 reply = dbus_message_new_error(message,
868 WPAS_ERROR_REMOVE_NETWORK_ERROR,
869 "error removing the specified "
870 "on this interface.");
871 goto out;
872 }
873
874 if (ssid == wpa_s->current_ssid)
875 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
876 reply = wpas_dbus_new_success_reply(message);
877
878 out:
879 os_free(iface);
880 os_free(net_id);
881 return reply;
882 }
883
884
885 static const char *dont_quote[] = {
886 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
887 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
888 "bssid", NULL
889 };
890
891
892 static dbus_bool_t should_quote_opt(const char *key)
893 {
894 int i = 0;
895 while (dont_quote[i] != NULL) {
896 if (strcmp(key, dont_quote[i]) == 0)
897 return FALSE;
898 i++;
899 }
900 return TRUE;
901 }
902
903
904 /**
905 * wpas_dbus_iface_set_network - Set options for a configured network
906 * @message: Pointer to incoming dbus message
907 * @wpa_s: wpa_supplicant structure for a network interface
908 * @ssid: wpa_ssid structure for a configured network
909 * Returns: a dbus message containing a UINT32 indicating success (1) or
910 * failure (0)
911 *
912 * Handler function for "set" method call of a configured network.
913 */
914 DBusMessage * wpas_dbus_iface_set_network(DBusMessage *message,
915 struct wpa_supplicant *wpa_s,
916 struct wpa_ssid *ssid)
917 {
918 DBusMessage *reply = NULL;
919 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
920 DBusMessageIter iter, iter_dict;
921
922 dbus_message_iter_init(message, &iter);
923
924 if (!wpa_dbus_dict_open_read(&iter, &iter_dict)) {
925 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
926 goto out;
927 }
928
929 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
930 char *value = NULL;
931 size_t size = 50;
932 int ret;
933
934 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
935 reply = wpas_dbus_new_invalid_opts_error(message,
936 NULL);
937 goto out;
938 }
939
940 /* Type conversions, since wpa_supplicant wants strings */
941 if (entry.type == DBUS_TYPE_ARRAY &&
942 entry.array_type == DBUS_TYPE_BYTE) {
943 if (entry.array_len <= 0)
944 goto error;
945
946 size = entry.array_len * 2 + 1;
947 value = os_zalloc(size);
948 if (value == NULL)
949 goto error;
950 ret = wpa_snprintf_hex(value, size,
951 (u8 *) entry.bytearray_value,
952 entry.array_len);
953 if (ret <= 0)
954 goto error;
955 } else if (entry.type == DBUS_TYPE_STRING) {
956 if (should_quote_opt(entry.key)) {
957 size = os_strlen(entry.str_value);
958 /* Zero-length option check */
959 if (size <= 0)
960 goto error;
961 size += 3; /* For quotes and terminator */
962 value = os_zalloc(size);
963 if (value == NULL)
964 goto error;
965 ret = os_snprintf(value, size, "\"%s\"",
966 entry.str_value);
967 if (ret < 0 || (size_t) ret != (size - 1))
968 goto error;
969 } else {
970 value = os_strdup(entry.str_value);
971 if (value == NULL)
972 goto error;
973 }
974 } else if (entry.type == DBUS_TYPE_UINT32) {
975 value = os_zalloc(size);
976 if (value == NULL)
977 goto error;
978 ret = os_snprintf(value, size, "%u",
979 entry.uint32_value);
980 if (ret <= 0)
981 goto error;
982 } else if (entry.type == DBUS_TYPE_INT32) {
983 value = os_zalloc(size);
984 if (value == NULL)
985 goto error;
986 ret = os_snprintf(value, size, "%d",
987 entry.int32_value);
988 if (ret <= 0)
989 goto error;
990 } else
991 goto error;
992
993 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
994 goto error;
995
996 if ((os_strcmp(entry.key, "psk") == 0 &&
997 value[0] == '"' && ssid->ssid_len) ||
998 (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
999 wpa_config_update_psk(ssid);
1000
1001 os_free(value);
1002 wpa_dbus_dict_entry_clear(&entry);
1003 continue;
1004
1005 error:
1006 os_free(value);
1007 reply = wpas_dbus_new_invalid_opts_error(message, entry.key);
1008 wpa_dbus_dict_entry_clear(&entry);
1009 break;
1010 }
1011
1012 if (!reply)
1013 reply = wpas_dbus_new_success_reply(message);
1014
1015 out:
1016 return reply;
1017 }
1018
1019
1020 /**
1021 * wpas_dbus_iface_enable_network - Mark a configured network as enabled
1022 * @message: Pointer to incoming dbus message
1023 * @wpa_s: wpa_supplicant structure for a network interface
1024 * @ssid: wpa_ssid structure for a configured network
1025 * Returns: A dbus message containing a UINT32 indicating success (1) or
1026 * failure (0)
1027 *
1028 * Handler function for "enable" method call of a configured network.
1029 */
1030 DBusMessage * wpas_dbus_iface_enable_network(DBusMessage *message,
1031 struct wpa_supplicant *wpa_s,
1032 struct wpa_ssid *ssid)
1033 {
1034 wpa_supplicant_enable_network(wpa_s, ssid);
1035 return wpas_dbus_new_success_reply(message);
1036 }
1037
1038
1039 /**
1040 * wpas_dbus_iface_disable_network - Mark a configured network as disabled
1041 * @message: Pointer to incoming dbus message
1042 * @wpa_s: wpa_supplicant structure for a network interface
1043 * @ssid: wpa_ssid structure for a configured network
1044 * Returns: A dbus message containing a UINT32 indicating success (1) or
1045 * failure (0)
1046 *
1047 * Handler function for "disable" method call of a configured network.
1048 */
1049 DBusMessage * wpas_dbus_iface_disable_network(DBusMessage *message,
1050 struct wpa_supplicant *wpa_s,
1051 struct wpa_ssid *ssid)
1052 {
1053 wpa_supplicant_disable_network(wpa_s, ssid);
1054 return wpas_dbus_new_success_reply(message);
1055 }
1056
1057
1058 /**
1059 * wpas_dbus_iface_select_network - Attempt association with a configured network
1060 * @message: Pointer to incoming dbus message
1061 * @wpa_s: wpa_supplicant structure for a network interface
1062 * Returns: A dbus message containing a UINT32 indicating success (1) or
1063 * failure (0)
1064 *
1065 * Handler function for "selectNetwork" method call of network interface.
1066 */
1067 DBusMessage * wpas_dbus_iface_select_network(DBusMessage *message,
1068 struct wpa_supplicant *wpa_s)
1069 {
1070 DBusMessage *reply = NULL;
1071 const char *op;
1072 struct wpa_ssid *ssid;
1073 char *iface_obj_path = NULL;
1074 char *network = NULL;
1075
1076 if (os_strlen(dbus_message_get_signature(message)) == 0) {
1077 /* Any network */
1078 ssid = NULL;
1079 } else {
1080 int nid;
1081
1082 if (!dbus_message_get_args(message, NULL,
1083 DBUS_TYPE_OBJECT_PATH, &op,
1084 DBUS_TYPE_INVALID)) {
1085 reply = wpas_dbus_new_invalid_opts_error(message,
1086 NULL);
1087 goto out;
1088 }
1089
1090 /* Extract the network number */
1091 iface_obj_path = wpas_dbus_decompose_object_path(op,
1092 &network,
1093 NULL);
1094 if (iface_obj_path == NULL) {
1095 reply = wpas_dbus_new_invalid_iface_error(message);
1096 goto out;
1097 }
1098 /* Ensure the object path really points to this interface */
1099 if (os_strcmp(iface_obj_path, wpa_s->dbus_path) != 0) {
1100 reply = wpas_dbus_new_invalid_network_error(message);
1101 goto out;
1102 }
1103
1104 nid = strtoul(network, NULL, 10);
1105 if (errno == EINVAL) {
1106 reply = wpas_dbus_new_invalid_network_error(message);
1107 goto out;
1108 }
1109
1110 ssid = wpa_config_get_network(wpa_s->conf, nid);
1111 if (ssid == NULL) {
1112 reply = wpas_dbus_new_invalid_network_error(message);
1113 goto out;
1114 }
1115 }
1116
1117 /* Finally, associate with the network */
1118 wpa_supplicant_select_network(wpa_s, ssid);
1119
1120 reply = wpas_dbus_new_success_reply(message);
1121
1122 out:
1123 os_free(iface_obj_path);
1124 os_free(network);
1125 return reply;
1126 }
1127
1128
1129 /**
1130 * wpas_dbus_iface_disconnect - Terminate the current connection
1131 * @message: Pointer to incoming dbus message
1132 * @wpa_s: wpa_supplicant structure for a network interface
1133 * Returns: A dbus message containing a UINT32 indicating success (1) or
1134 * failure (0)
1135 *
1136 * Handler function for "disconnect" method call of network interface.
1137 */
1138 DBusMessage * wpas_dbus_iface_disconnect(DBusMessage *message,
1139 struct wpa_supplicant *wpa_s)
1140 {
1141 wpa_s->disconnected = 1;
1142 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1143
1144 return wpas_dbus_new_success_reply(message);
1145 }
1146
1147
1148 /**
1149 * wpas_dbus_iface_set_ap_scan - Control roaming mode
1150 * @message: Pointer to incoming dbus message
1151 * @wpa_s: wpa_supplicant structure for a network interface
1152 * Returns: A dbus message containing a UINT32 indicating success (1) or
1153 * failure (0)
1154 *
1155 * Handler function for "setAPScan" method call.
1156 */
1157 DBusMessage * wpas_dbus_iface_set_ap_scan(DBusMessage *message,
1158 struct wpa_supplicant *wpa_s)
1159 {
1160 DBusMessage *reply = NULL;
1161 dbus_uint32_t ap_scan = 1;
1162
1163 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &ap_scan,
1164 DBUS_TYPE_INVALID)) {
1165 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1166 goto out;
1167 }
1168
1169 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
1170 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1171 goto out;
1172 }
1173
1174 reply = wpas_dbus_new_success_reply(message);
1175
1176 out:
1177 return reply;
1178 }
1179
1180
1181 /**
1182 * wpas_dbus_iface_set_smartcard_modules - Set smartcard related module paths
1183 * @message: Pointer to incoming dbus message
1184 * @wpa_s: wpa_supplicant structure for a network interface
1185 * Returns: A dbus message containing a UINT32 indicating success (1) or
1186 * failure (0)
1187 *
1188 * Handler function for "setSmartcardModules" method call.
1189 */
1190 DBusMessage * wpas_dbus_iface_set_smartcard_modules(
1191 DBusMessage *message, struct wpa_supplicant *wpa_s)
1192 {
1193 DBusMessageIter iter, iter_dict;
1194 char *opensc_engine_path = NULL;
1195 char *pkcs11_engine_path = NULL;
1196 char *pkcs11_module_path = NULL;
1197 struct wpa_dbus_dict_entry entry;
1198
1199 if (!dbus_message_iter_init(message, &iter))
1200 goto error;
1201
1202 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
1203 goto error;
1204
1205 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1206 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
1207 goto error;
1208 if (!strcmp(entry.key, "opensc_engine_path") &&
1209 (entry.type == DBUS_TYPE_STRING)) {
1210 opensc_engine_path = os_strdup(entry.str_value);
1211 if (opensc_engine_path == NULL)
1212 goto error;
1213 } else if (!strcmp(entry.key, "pkcs11_engine_path") &&
1214 (entry.type == DBUS_TYPE_STRING)) {
1215 pkcs11_engine_path = os_strdup(entry.str_value);
1216 if (pkcs11_engine_path == NULL)
1217 goto error;
1218 } else if (!strcmp(entry.key, "pkcs11_module_path") &&
1219 (entry.type == DBUS_TYPE_STRING)) {
1220 pkcs11_module_path = os_strdup(entry.str_value);
1221 if (pkcs11_module_path == NULL)
1222 goto error;
1223 } else {
1224 wpa_dbus_dict_entry_clear(&entry);
1225 goto error;
1226 }
1227 wpa_dbus_dict_entry_clear(&entry);
1228 }
1229
1230 os_free(wpa_s->conf->opensc_engine_path);
1231 wpa_s->conf->opensc_engine_path = opensc_engine_path;
1232 os_free(wpa_s->conf->pkcs11_engine_path);
1233 wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
1234 os_free(wpa_s->conf->pkcs11_module_path);
1235 wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
1236
1237 wpa_sm_set_eapol(wpa_s->wpa, NULL);
1238 eapol_sm_deinit(wpa_s->eapol);
1239 wpa_s->eapol = NULL;
1240 wpa_supplicant_init_eapol(wpa_s);
1241 wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
1242
1243 return wpas_dbus_new_success_reply(message);
1244
1245 error:
1246 os_free(opensc_engine_path);
1247 os_free(pkcs11_engine_path);
1248 os_free(pkcs11_module_path);
1249 return wpas_dbus_new_invalid_opts_error(message, NULL);
1250 }
1251
1252
1253 /**
1254 * wpas_dbus_iface_get_state - Get interface state
1255 * @message: Pointer to incoming dbus message
1256 * @wpa_s: wpa_supplicant structure for a network interface
1257 * Returns: A dbus message containing a STRING representing the current
1258 * interface state
1259 *
1260 * Handler function for "state" method call.
1261 */
1262 DBusMessage * wpas_dbus_iface_get_state(DBusMessage *message,
1263 struct wpa_supplicant *wpa_s)
1264 {
1265 DBusMessage *reply = NULL;
1266 const char *str_state;
1267
1268 reply = dbus_message_new_method_return(message);
1269 if (reply != NULL) {
1270 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
1271 dbus_message_append_args(reply, DBUS_TYPE_STRING, &str_state,
1272 DBUS_TYPE_INVALID);
1273 }
1274
1275 return reply;
1276 }
1277
1278
1279 /**
1280 * wpas_dbus_iface_get_scanning - Get interface scanning state
1281 * @message: Pointer to incoming dbus message
1282 * @wpa_s: wpa_supplicant structure for a network interface
1283 * Returns: A dbus message containing whether the interface is scanning
1284 *
1285 * Handler function for "scanning" method call.
1286 */
1287 DBusMessage * wpas_dbus_iface_get_scanning(DBusMessage *message,
1288 struct wpa_supplicant *wpa_s)
1289 {
1290 DBusMessage *reply = NULL;
1291 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
1292
1293 reply = dbus_message_new_method_return(message);
1294 if (reply != NULL) {
1295 dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &scanning,
1296 DBUS_TYPE_INVALID);
1297 } else {
1298 wpa_printf(MSG_ERROR, "dbus: Not enough memory to return "
1299 "scanning state");
1300 }
1301
1302 return reply;
1303 }
1304
1305
1306 /**
1307 * wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
1308 * @message: Pointer to incoming dbus message
1309 * @wpa_s: %wpa_supplicant data structure
1310 * Returns: A dbus message containing a UINT32 indicating success (1) or
1311 * failure (0)
1312 *
1313 * Asks wpa_supplicant to internally store a one or more binary blobs.
1314 */
1315 DBusMessage * wpas_dbus_iface_set_blobs(DBusMessage *message,
1316 struct wpa_supplicant *wpa_s)
1317 {
1318 DBusMessage *reply = NULL;
1319 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
1320 DBusMessageIter iter, iter_dict;
1321
1322 dbus_message_iter_init(message, &iter);
1323
1324 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
1325 return wpas_dbus_new_invalid_opts_error(message, NULL);
1326
1327 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1328 struct wpa_config_blob *blob;
1329
1330 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
1331 reply = wpas_dbus_new_invalid_opts_error(message,
1332 NULL);
1333 break;
1334 }
1335
1336 if (entry.type != DBUS_TYPE_ARRAY ||
1337 entry.array_type != DBUS_TYPE_BYTE) {
1338 reply = wpas_dbus_new_invalid_opts_error(
1339 message, "Byte array expected.");
1340 break;
1341 }
1342
1343 if ((entry.array_len <= 0) || (entry.array_len > 65536) ||
1344 !strlen(entry.key)) {
1345 reply = wpas_dbus_new_invalid_opts_error(
1346 message, "Invalid array size.");
1347 break;
1348 }
1349
1350 blob = os_zalloc(sizeof(*blob));
1351 if (blob == NULL) {
1352 reply = dbus_message_new_error(
1353 message, WPAS_ERROR_ADD_ERROR,
1354 "Not enough memory to add blob.");
1355 break;
1356 }
1357 blob->data = os_zalloc(entry.array_len);
1358 if (blob->data == NULL) {
1359 reply = dbus_message_new_error(
1360 message, WPAS_ERROR_ADD_ERROR,
1361 "Not enough memory to add blob data.");
1362 os_free(blob);
1363 break;
1364 }
1365
1366 blob->name = os_strdup(entry.key);
1367 blob->len = entry.array_len;
1368 os_memcpy(blob->data, (u8 *) entry.bytearray_value,
1369 entry.array_len);
1370 if (blob->name == NULL || blob->data == NULL) {
1371 wpa_config_free_blob(blob);
1372 reply = dbus_message_new_error(
1373 message, WPAS_ERROR_ADD_ERROR,
1374 "Error adding blob.");
1375 break;
1376 }
1377
1378 /* Success */
1379 if (!wpa_config_remove_blob(wpa_s->conf, blob->name))
1380 wpas_notify_blob_removed(wpa_s, blob->name);
1381 wpa_config_set_blob(wpa_s->conf, blob);
1382 wpas_notify_blob_added(wpa_s, blob->name);
1383
1384 wpa_dbus_dict_entry_clear(&entry);
1385 }
1386 wpa_dbus_dict_entry_clear(&entry);
1387
1388 return reply ? reply : wpas_dbus_new_success_reply(message);
1389 }
1390
1391
1392 /**
1393 * wpas_dbus_iface_remove_blob - Remove named binary blobs
1394 * @message: Pointer to incoming dbus message
1395 * @wpa_s: %wpa_supplicant data structure
1396 * Returns: A dbus message containing a UINT32 indicating success (1) or
1397 * failure (0)
1398 *
1399 * Asks wpa_supplicant to remove one or more previously stored binary blobs.
1400 */
1401 DBusMessage * wpas_dbus_iface_remove_blobs(DBusMessage *message,
1402 struct wpa_supplicant *wpa_s)
1403 {
1404 DBusMessageIter iter, array;
1405 char *err_msg = NULL;
1406
1407 dbus_message_iter_init(message, &iter);
1408
1409 if ((dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY) ||
1410 (dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_STRING))
1411 return wpas_dbus_new_invalid_opts_error(message, NULL);
1412
1413 dbus_message_iter_recurse(&iter, &array);
1414 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
1415 const char *name;
1416
1417 dbus_message_iter_get_basic(&array, &name);
1418 if (!os_strlen(name))
1419 err_msg = "Invalid blob name.";
1420
1421 if (wpa_config_remove_blob(wpa_s->conf, name) != 0)
1422 err_msg = "Error removing blob.";
1423 else
1424 wpas_notify_blob_removed(wpa_s, name);
1425 dbus_message_iter_next(&array);
1426 }
1427
1428 if (err_msg)
1429 return dbus_message_new_error(message, WPAS_ERROR_REMOVE_ERROR,
1430 err_msg);
1431
1432 return wpas_dbus_new_success_reply(message);
1433 }