5 * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
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.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
32 #define CONNMAN_API_SUBJECT_TO_CHANGE
33 #include <connman/device.h>
34 #include <connman/dbus.h>
35 #include <connman/log.h>
38 #include "supplicant.h"
42 #define IEEE80211_CAP_ESS 0x0001
43 #define IEEE80211_CAP_IBSS 0x0002
44 #define IEEE80211_CAP_PRIVACY 0x0010
46 #define SUPPLICANT_NAME "fi.epitest.hostap.WPASupplicant"
47 #define SUPPLICANT_INTF "fi.epitest.hostap.WPASupplicant"
48 #define SUPPLICANT_PATH "/fi/epitest/hostap/WPASupplicant"
50 /* Taken from "WPA Supplicant - Common definitions" */
51 enum supplicant_state {
53 * WPA_DISCONNECTED - Disconnected state
55 * This state indicates that client is not associated, but is likely to
56 * start looking for an access point. This state is entered when a
62 * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
64 * This state is entered if there are no enabled networks in the
65 * configuration. wpa_supplicant is not trying to associate with a new
66 * network and external interaction (e.g., ctrl_iface call to add or
67 * enable a network) is needed to start association.
72 * WPA_SCANNING - Scanning for a network
74 * This state is entered when wpa_supplicant starts scanning for a
80 * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
82 * This state is entered when wpa_supplicant has found a suitable BSS
83 * to associate with and the driver is configured to try to associate
84 * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
85 * state is entered when the driver is configured to try to associate
86 * with a network using the configured SSID and security policy.
91 * WPA_ASSOCIATED - Association completed
93 * This state is entered when the driver reports that association has
94 * been successfully completed with an AP. If IEEE 802.1X is used
95 * (with or without WPA/WPA2), wpa_supplicant remains in this state
96 * until the IEEE 802.1X/EAPOL authentication has been completed.
101 * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
103 * This state is entered when WPA/WPA2 4-Way Handshake is started. In
104 * case of WPA-PSK, this happens when receiving the first EAPOL-Key
105 * frame after association. In case of WPA-EAP, this state is entered
106 * when the IEEE 802.1X/EAPOL authentication has been completed.
111 * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
113 * This state is entered when 4-Way Key Handshake has been completed
114 * (i.e., when the supplicant sends out message 4/4) and when Group
115 * Key rekeying is started by the AP (i.e., when supplicant receives
121 * WPA_COMPLETED - All authentication completed
123 * This state is entered when the full authentication process is
124 * completed. In case of WPA2, this happens when the 4-Way Handshake is
125 * successfully completed. With WPA, this state is entered after the
126 * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
127 * completed after dynamic keys are received (or if not used, after
128 * the EAP authentication has been completed). With static WEP keys and
129 * plaintext connections, this state is entered when an association
130 * has been completed.
132 * This state indicates that the supplicant has completed its
133 * processing for the association phase and that data connection is
139 * WPA_INVALID - Invalid state (parsing error)
141 * This state is returned if the string input is invalid. It is not
142 * an official wpa_supplicant state.
147 struct supplicant_result {
150 unsigned int ssid_len;
151 dbus_uint16_t capabilities;
156 dbus_int32_t quality;
159 dbus_int32_t maxrate;
162 struct supplicant_task {
165 struct connman_device *device;
166 struct connman_network *network;
170 enum supplicant_state state;
172 GSList *scan_results;
175 static GSList *task_list = NULL;
177 static DBusConnection *connection;
179 static void free_task(struct supplicant_task *task)
181 DBG("task %p", task);
183 g_free(task->ifname);
188 static struct supplicant_task *find_task_by_index(int index)
192 for (list = task_list; list; list = list->next) {
193 struct supplicant_task *task = list->data;
195 if (task->ifindex == index)
202 static struct supplicant_task *find_task_by_path(const char *path)
206 for (list = task_list; list; list = list->next) {
207 struct supplicant_task *task = list->data;
209 if (g_str_equal(task->path, path) == TRUE)
216 static void add_interface_reply(DBusPendingCall *call, void *user_data)
218 struct supplicant_task *task = user_data;
223 DBG("task %p", task);
225 reply = dbus_pending_call_steal_reply(call);
229 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
232 dbus_error_init(&error);
234 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
235 DBUS_TYPE_INVALID) == FALSE) {
236 if (dbus_error_is_set(&error) == TRUE) {
237 connman_error("%s", error.message);
238 dbus_error_free(&error);
240 connman_error("Wrong arguments for add interface");
244 DBG("path %s", path);
246 task->path = g_strdup(path);
247 task->created = TRUE;
249 connman_device_set_powered(task->device, TRUE);
252 dbus_message_unref(reply);
255 static int add_interface(struct supplicant_task *task)
257 DBusMessage *message;
258 DBusPendingCall *call;
260 DBG("task %p", task);
262 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
263 SUPPLICANT_INTF, "addInterface");
267 dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
270 if (dbus_connection_send_with_reply(connection, message,
271 &call, TIMEOUT) == FALSE) {
272 connman_error("Failed to add interface");
273 dbus_message_unref(message);
277 dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
279 dbus_message_unref(message);
284 static void get_interface_reply(DBusPendingCall *call, void *user_data)
286 struct supplicant_task *task = user_data;
291 DBG("task %p", task);
293 reply = dbus_pending_call_steal_reply(call);
297 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
302 dbus_error_init(&error);
304 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
305 DBUS_TYPE_INVALID) == FALSE) {
306 if (dbus_error_is_set(&error) == TRUE) {
307 connman_error("%s", error.message);
308 dbus_error_free(&error);
310 connman_error("Wrong arguments for get interface");
314 DBG("path %s", path);
316 task->path = g_strdup(path);
317 task->created = FALSE;
319 connman_device_set_powered(task->device, TRUE);
322 dbus_message_unref(reply);
325 static int create_interface(struct supplicant_task *task)
327 DBusMessage *message;
328 DBusPendingCall *call;
330 DBG("task %p", task);
332 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
333 SUPPLICANT_INTF, "getInterface");
337 dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
340 if (dbus_connection_send_with_reply(connection, message,
341 &call, TIMEOUT) == FALSE) {
342 connman_error("Failed to get interface");
343 dbus_message_unref(message);
347 dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
349 dbus_message_unref(message);
354 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
356 struct supplicant_task *task = user_data;
359 DBG("task %p", task);
361 reply = dbus_pending_call_steal_reply(call);
363 connman_device_set_powered(task->device, FALSE);
367 dbus_message_unref(reply);
370 static int remove_interface(struct supplicant_task *task)
372 DBusMessage *message;
373 DBusPendingCall *call;
375 DBG("task %p", task);
377 if (task->created == FALSE) {
378 connman_device_set_powered(task->device, FALSE);
382 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
383 SUPPLICANT_INTF, "removeInterface");
387 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
390 if (dbus_connection_send_with_reply(connection, message,
391 &call, TIMEOUT) == FALSE) {
392 connman_error("Failed to remove interface");
393 dbus_message_unref(message);
397 dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
399 dbus_message_unref(message);
405 static int set_ap_scan(struct supplicant_task *task)
407 DBusMessage *message, *reply;
411 DBG("task %p", task);
413 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
414 SUPPLICANT_INTF ".Interface", "setAPScan");
418 dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
421 dbus_error_init(&error);
423 reply = dbus_connection_send_with_reply_and_block(connection,
424 message, -1, &error);
426 if (dbus_error_is_set(&error) == TRUE) {
427 connman_error("%s", error.message);
428 dbus_error_free(&error);
430 connman_error("Failed to set AP scan");
431 dbus_message_unref(message);
435 dbus_message_unref(message);
437 dbus_message_unref(reply);
443 static int add_network(struct supplicant_task *task)
445 DBusMessage *message, *reply;
449 DBG("task %p", task);
451 if (task->netpath != NULL)
454 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
455 SUPPLICANT_INTF ".Interface", "addNetwork");
459 dbus_error_init(&error);
461 reply = dbus_connection_send_with_reply_and_block(connection,
462 message, -1, &error);
464 if (dbus_error_is_set(&error) == TRUE) {
465 connman_error("%s", error.message);
466 dbus_error_free(&error);
468 connman_error("Failed to add network");
469 dbus_message_unref(message);
473 dbus_message_unref(message);
475 dbus_error_init(&error);
477 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
478 DBUS_TYPE_INVALID) == FALSE) {
479 if (dbus_error_is_set(&error) == TRUE) {
480 connman_error("%s", error.message);
481 dbus_error_free(&error);
483 connman_error("Wrong arguments for network");
484 dbus_message_unref(reply);
488 DBG("path %s", path);
490 task->netpath = g_strdup(path);
492 dbus_message_unref(reply);
497 static int remove_network(struct supplicant_task *task)
499 DBusMessage *message, *reply;
502 DBG("task %p", task);
504 if (task->netpath == NULL)
507 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
508 SUPPLICANT_INTF ".Interface", "removeNetwork");
512 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
515 dbus_error_init(&error);
517 reply = dbus_connection_send_with_reply_and_block(connection,
518 message, -1, &error);
520 if (dbus_error_is_set(&error) == TRUE) {
521 connman_error("%s", error.message);
522 dbus_error_free(&error);
524 connman_error("Failed to remove network");
525 dbus_message_unref(message);
529 dbus_message_unref(message);
531 dbus_message_unref(reply);
533 g_free(task->netpath);
534 task->netpath = NULL;
539 static int select_network(struct supplicant_task *task)
541 DBusMessage *message, *reply;
544 DBG("task %p", task);
546 if (task->netpath == NULL)
549 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
550 SUPPLICANT_INTF ".Interface", "selectNetwork");
554 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
557 dbus_error_init(&error);
559 reply = dbus_connection_send_with_reply_and_block(connection,
560 message, -1, &error);
562 if (dbus_error_is_set(&error) == TRUE) {
563 connman_error("%s", error.message);
564 dbus_error_free(&error);
566 connman_error("Failed to select network");
567 dbus_message_unref(message);
571 dbus_message_unref(message);
573 dbus_message_unref(reply);
578 static int enable_network(struct supplicant_task *task)
580 DBusMessage *message, *reply;
583 DBG("task %p", task);
585 if (task->netpath == NULL)
588 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
589 SUPPLICANT_INTF ".Network", "enable");
593 dbus_error_init(&error);
595 reply = dbus_connection_send_with_reply_and_block(connection,
596 message, -1, &error);
598 if (dbus_error_is_set(&error) == TRUE) {
599 connman_error("%s", error.message);
600 dbus_error_free(&error);
602 connman_error("Failed to enable network");
603 dbus_message_unref(message);
607 dbus_message_unref(message);
609 dbus_message_unref(reply);
614 static int disable_network(struct supplicant_task *task)
616 DBusMessage *message, *reply;
619 DBG("task %p", task);
621 if (task->netpath == NULL)
624 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
625 SUPPLICANT_INTF ".Network", "disable");
629 dbus_error_init(&error);
631 reply = dbus_connection_send_with_reply_and_block(connection,
632 message, -1, &error);
634 if (dbus_error_is_set(&error) == TRUE) {
635 connman_error("%s", error.message);
636 dbus_error_free(&error);
638 connman_error("Failed to disable network");
639 dbus_message_unref(message);
643 dbus_message_unref(message);
645 dbus_message_unref(reply);
650 static int set_network(struct supplicant_task *task,
651 const unsigned char *network, int len,
652 const char *security, const char *passphrase)
654 DBusMessage *message, *reply;
655 DBusMessageIter array, dict;
658 DBG("task %p", task);
660 if (task->netpath == NULL)
663 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
664 SUPPLICANT_INTF ".Network", "set");
668 dbus_message_iter_init_append(message, &array);
670 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
671 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
672 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
673 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
675 connman_dbus_dict_append_array(&dict, "ssid",
676 DBUS_TYPE_BYTE, &network, len);
678 if (g_ascii_strcasecmp(security, "wpa") == 0 ||
679 g_ascii_strcasecmp(security, "wpa2") == 0) {
680 const char *key_mgmt = "WPA-PSK";
681 connman_dbus_dict_append_variant(&dict, "key_mgmt",
682 DBUS_TYPE_STRING, &key_mgmt);
684 if (passphrase && strlen(passphrase) > 0)
685 connman_dbus_dict_append_variant(&dict, "psk",
686 DBUS_TYPE_STRING, &passphrase);
687 } else if (g_ascii_strcasecmp(security, "wep") == 0) {
688 const char *key_mgmt = "NONE", *index = "0";
689 connman_dbus_dict_append_variant(&dict, "key_mgmt",
690 DBUS_TYPE_STRING, &key_mgmt);
693 int size = strlen(passphrase);
694 if (size == 10 || size == 26) {
695 unsigned char *key = malloc(13);
698 memset(tmp, 0, sizeof(tmp));
701 for (i = 0; i < size / 2; i++) {
702 memcpy(tmp, passphrase + (i * 2), 2);
703 key[i] = (unsigned char) strtol(tmp,
706 connman_dbus_dict_append_array(&dict,
707 "wep_key0", DBUS_TYPE_BYTE,
711 connman_dbus_dict_append_variant(&dict,
712 "wep_key0", DBUS_TYPE_STRING,
714 connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
715 DBUS_TYPE_STRING, &index);
718 const char *key_mgmt = "NONE";
719 connman_dbus_dict_append_variant(&dict, "key_mgmt",
720 DBUS_TYPE_STRING, &key_mgmt);
723 dbus_message_iter_close_container(&array, &dict);
725 dbus_error_init(&error);
727 reply = dbus_connection_send_with_reply_and_block(connection,
728 message, -1, &error);
730 if (dbus_error_is_set(&error) == TRUE) {
731 connman_error("%s", error.message);
732 dbus_error_free(&error);
734 connman_error("Failed to set network options");
735 dbus_message_unref(message);
739 dbus_message_unref(message);
741 dbus_message_unref(reply);
746 static int initiate_scan(struct supplicant_task *task)
748 DBusMessage *message;
749 DBusPendingCall *call;
751 DBG("task %p", task);
753 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
754 SUPPLICANT_INTF ".Interface", "scan");
758 if (dbus_connection_send_with_reply(connection, message,
759 &call, TIMEOUT) == FALSE) {
760 connman_error("Failed to initiate scan");
761 dbus_message_unref(message);
765 dbus_message_unref(message);
770 static void extract_ssid(DBusMessageIter *value,
771 struct supplicant_result *result)
773 DBusMessageIter array;
777 dbus_message_iter_recurse(value, &array);
778 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
783 result->ssid = g_try_malloc(ssid_len);
784 if (result->ssid == NULL)
787 memcpy(result->ssid, ssid, ssid_len);
788 result->ssid_len = ssid_len;
790 result->identifier = g_try_malloc0(ssid_len + 1);
791 if (result->identifier == NULL)
794 memcpy(result->identifier, ssid, ssid_len);
797 static void extract_wpaie(DBusMessageIter *value,
798 struct supplicant_result *result)
800 DBusMessageIter array;
804 dbus_message_iter_recurse(value, &array);
805 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
808 result->has_wpa = TRUE;
811 static void extract_rsnie(DBusMessageIter *value,
812 struct supplicant_result *result)
814 DBusMessageIter array;
818 dbus_message_iter_recurse(value, &array);
819 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
822 result->has_rsn = TRUE;
825 static void extract_capabilites(DBusMessageIter *value,
826 struct supplicant_result *result)
828 dbus_message_iter_get_basic(value, &result->capabilities);
830 if (result->capabilities & IEEE80211_CAP_ESS)
831 result->adhoc = FALSE;
832 else if (result->capabilities & IEEE80211_CAP_IBSS)
833 result->adhoc = TRUE;
835 if (result->capabilities & IEEE80211_CAP_PRIVACY)
836 result->has_wep = TRUE;
839 static void get_properties(struct supplicant_task *task);
841 static void properties_reply(DBusPendingCall *call, void *user_data)
843 struct supplicant_task *task = user_data;
844 struct supplicant_result result;
845 struct connman_network *network;
847 DBusMessageIter array, dict;
848 char *security, *temp = NULL;
849 unsigned char strength;
852 DBG("task %p", task);
854 reply = dbus_pending_call_steal_reply(call);
856 get_properties(task);
860 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
861 dbus_message_unref(reply);
862 get_properties(task);
866 memset(&result, 0, sizeof(result));
868 dbus_message_iter_init(reply, &array);
870 dbus_message_iter_recurse(&array, &dict);
872 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
873 DBusMessageIter entry, value;
876 dbus_message_iter_recurse(&dict, &entry);
877 dbus_message_iter_get_basic(&entry, &key);
879 dbus_message_iter_next(&entry);
881 dbus_message_iter_recurse(&entry, &value);
883 //type = dbus_message_iter_get_arg_type(&value);
884 //dbus_message_iter_get_basic(&value, &val);
891 * frequency : i (105)
892 * capabilities : q (113)
899 if (g_str_equal(key, "ssid") == TRUE)
900 extract_ssid(&value, &result);
901 else if (g_str_equal(key, "wpaie") == TRUE)
902 extract_wpaie(&value, &result);
903 else if (g_str_equal(key, "rsnie") == TRUE)
904 extract_rsnie(&value, &result);
905 else if (g_str_equal(key, "capabilities") == TRUE)
906 extract_capabilites(&value, &result);
907 else if (g_str_equal(key, "quality") == TRUE)
908 dbus_message_iter_get_basic(&value, &result.quality);
909 else if (g_str_equal(key, "noise") == TRUE)
910 dbus_message_iter_get_basic(&value, &result.noise);
911 else if (g_str_equal(key, "level") == TRUE)
912 dbus_message_iter_get_basic(&value, &result.level);
913 else if (g_str_equal(key, "maxrate") == TRUE)
914 dbus_message_iter_get_basic(&value, &result.maxrate);
916 dbus_message_iter_next(&dict);
919 if (result.identifier == NULL)
922 if (result.identifier[0] == '\0')
925 temp = g_strdup(result.identifier);
929 for (i = 0; i < strlen(temp); i++) {
931 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
932 (tmp < 'a' || tmp > 'z'))
936 strength = result.quality;
938 if (result.has_rsn == TRUE)
940 else if (result.has_wpa == TRUE)
942 else if (result.has_wep == TRUE)
947 network = connman_device_get_network(task->device, temp);
948 if (network == NULL) {
952 network = connman_network_create(temp,
953 CONNMAN_NETWORK_TYPE_WIFI);
957 index = connman_device_get_index(task->device);
958 connman_network_set_index(network, index);
960 connman_network_set_protocol(network,
961 CONNMAN_NETWORK_PROTOCOL_IP);
963 connman_network_set_string(network, "Name", result.identifier);
965 connman_network_set_blob(network, "WiFi.SSID",
966 result.ssid, result.ssid_len);
968 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
969 connman_network_set_string(network, "WiFi.Mode", mode);
971 DBG("%s (%s %s) strength %d", result.identifier, mode,
974 if (connman_device_add_network(task->device, network) < 0) {
975 connman_network_unref(network);
980 connman_network_set_available(network, TRUE);
981 connman_network_set_uint8(network, "Strength", strength);
983 connman_network_set_string(network, "WiFi.Security", security);
986 g_free(result.identifier);
990 dbus_message_unref(reply);
992 get_properties(task);
995 static void get_properties(struct supplicant_task *task)
997 DBusMessage *message;
998 DBusPendingCall *call;
1001 path = g_slist_nth_data(task->scan_results, 0);
1005 message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1006 SUPPLICANT_INTF ".BSSID",
1009 task->scan_results = g_slist_remove(task->scan_results, path);
1012 if (message == NULL)
1015 if (dbus_connection_send_with_reply(connection, message,
1016 &call, TIMEOUT) == FALSE) {
1017 connman_error("Failed to get network properties");
1018 dbus_message_unref(message);
1022 dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1024 dbus_message_unref(message);
1029 if (task->noscan == FALSE)
1030 connman_device_set_scanning(task->device, FALSE);
1033 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1035 struct supplicant_task *task = user_data;
1041 DBG("task %p", task);
1043 reply = dbus_pending_call_steal_reply(call);
1047 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1050 dbus_error_init(&error);
1052 if (dbus_message_get_args(reply, &error,
1053 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1054 &results, &num_results,
1055 DBUS_TYPE_INVALID) == FALSE) {
1056 if (dbus_error_is_set(&error) == TRUE) {
1057 connman_error("%s", error.message);
1058 dbus_error_free(&error);
1060 connman_error("Wrong arguments for scan result");
1064 if (num_results == 0)
1067 for (i = 0; i < num_results; i++) {
1068 char *path = g_strdup(results[i]);
1072 task->scan_results = g_slist_append(task->scan_results, path);
1075 g_strfreev(results);
1077 dbus_message_unref(reply);
1079 get_properties(task);
1084 dbus_message_unref(reply);
1087 if (task->noscan == FALSE)
1088 connman_device_set_scanning(task->device, FALSE);
1091 static void scan_results_available(struct supplicant_task *task)
1093 DBusMessage *message;
1094 DBusPendingCall *call;
1096 DBG("task %p", task);
1098 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1099 SUPPLICANT_INTF ".Interface",
1101 if (message == NULL)
1104 if (dbus_connection_send_with_reply(connection, message,
1105 &call, TIMEOUT) == FALSE) {
1106 connman_error("Failed to request scan result");
1110 if (task->noscan == FALSE)
1111 connman_device_set_scanning(task->device, TRUE);
1113 dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1116 dbus_message_unref(message);
1119 static enum supplicant_state string2state(const char *state)
1121 if (g_str_equal(state, "INACTIVE") == TRUE)
1122 return WPA_INACTIVE;
1123 else if (g_str_equal(state, "SCANNING") == TRUE)
1124 return WPA_SCANNING;
1125 else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1126 return WPA_ASSOCIATING;
1127 else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1128 return WPA_ASSOCIATED;
1129 else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1130 return WPA_GROUP_HANDSHAKE;
1131 else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1132 return WPA_4WAY_HANDSHAKE;
1133 else if (g_str_equal(state, "COMPLETED") == TRUE)
1134 return WPA_COMPLETED;
1135 else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1136 return WPA_DISCONNECTED;
1141 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1144 const char *newstate, *oldstate;
1145 enum supplicant_state state;
1147 dbus_error_init(&error);
1149 if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1150 DBUS_TYPE_STRING, &oldstate,
1151 DBUS_TYPE_INVALID) == FALSE) {
1152 if (dbus_error_is_set(&error) == TRUE) {
1153 connman_error("%s", error.message);
1154 dbus_error_free(&error);
1156 connman_error("Wrong arguments for state change");
1160 DBG("state %s ==> %s", oldstate, newstate);
1162 state = string2state(newstate);
1163 if (state == WPA_INVALID)
1166 task->state = state;
1168 switch (task->state) {
1170 task->noscan = TRUE;
1171 connman_device_set_scanning(task->device, TRUE);
1173 case WPA_ASSOCIATING:
1174 case WPA_ASSOCIATED:
1175 case WPA_4WAY_HANDSHAKE:
1176 case WPA_GROUP_HANDSHAKE:
1177 task->noscan = TRUE;
1180 case WPA_DISCONNECTED:
1181 task->noscan = FALSE;
1184 task->noscan = FALSE;
1185 connman_device_set_scanning(task->device, FALSE);
1191 if (task->network == NULL)
1194 switch (task->state) {
1197 connman_network_set_connected(task->network, TRUE);
1198 connman_device_set_scanning(task->device, FALSE);
1200 case WPA_DISCONNECTED:
1202 connman_network_set_connected(task->network, FALSE);
1203 connman_device_set_scanning(task->device, FALSE);
1210 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1211 DBusMessage *msg, void *data)
1213 struct supplicant_task *task;
1214 const char *member, *path;
1216 if (dbus_message_has_interface(msg,
1217 SUPPLICANT_INTF ".Interface") == FALSE)
1218 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1220 member = dbus_message_get_member(msg);
1222 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1224 path = dbus_message_get_path(msg);
1226 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1228 task = find_task_by_path(path);
1230 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1232 DBG("task %p member %s", task, member);
1234 if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1235 scan_results_available(task);
1236 else if (g_str_equal(member, "StateChange") == TRUE)
1237 state_change(task, msg);
1239 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1242 int supplicant_start(struct connman_device *device)
1244 struct supplicant_task *task;
1246 DBG("device %p", device);
1248 task = g_try_new0(struct supplicant_task, 1);
1252 task->ifindex = connman_device_get_index(device);
1253 task->ifname = inet_index2name(task->ifindex);
1254 task->device = device;
1256 if (task->ifname == NULL) {
1261 task->created = FALSE;
1262 task->noscan = FALSE;
1263 task->state = WPA_INVALID;
1265 task_list = g_slist_append(task_list, task);
1267 return create_interface(task);
1270 int supplicant_stop(struct connman_device *device)
1272 int index = connman_device_get_index(device);
1273 struct supplicant_task *task;
1275 DBG("device %p", device);
1277 task = find_task_by_index(index);
1281 task_list = g_slist_remove(task_list, task);
1283 disable_network(task);
1285 remove_network(task);
1287 return remove_interface(task);
1290 int supplicant_scan(struct connman_device *device)
1292 int index = connman_device_get_index(device);
1293 struct supplicant_task *task;
1296 DBG("device %p", device);
1298 task = find_task_by_index(index);
1302 switch (task->state) {
1305 case WPA_ASSOCIATING:
1306 case WPA_ASSOCIATED:
1307 case WPA_4WAY_HANDSHAKE:
1308 case WPA_GROUP_HANDSHAKE:
1314 err = initiate_scan(task);
1319 int supplicant_connect(struct connman_network *network)
1321 struct supplicant_task *task;
1322 const char *security, *passphrase;
1324 unsigned int ssid_len;
1327 DBG("network %p", network);
1329 security = connman_network_get_string(network, "WiFi.Security");
1330 passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1332 ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1334 DBG("security %s passphrase %s", security, passphrase);
1336 if (security == NULL && passphrase == NULL)
1339 if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1342 index = connman_network_get_index(network);
1344 task = find_task_by_index(index);
1348 task->network = connman_network_ref(network);
1352 select_network(task);
1353 disable_network(task);
1355 set_network(task, ssid, ssid_len, security, passphrase);
1357 enable_network(task);
1362 int supplicant_disconnect(struct connman_network *network)
1364 struct supplicant_task *task;
1367 DBG("network %p", network);
1369 index = connman_network_get_index(network);
1371 task = find_task_by_index(index);
1375 disable_network(task);
1377 remove_network(task);
1379 connman_network_unref(task->network);
1384 static void supplicant_activate(DBusConnection *conn)
1386 DBusMessage *message;
1388 DBG("conn %p", conn);
1390 message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1391 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1392 if (message == NULL)
1395 dbus_message_set_no_reply(message, TRUE);
1397 dbus_connection_send(conn, message, NULL);
1399 dbus_message_unref(message);
1402 static GSList *driver_list = NULL;
1404 static void supplicant_probe(DBusConnection *conn, void *user_data)
1408 DBG("conn %p", conn);
1410 for (list = driver_list; list; list = list->next) {
1411 struct supplicant_driver *driver = list->data;
1413 DBG("driver %p name %s", driver, driver->name);
1420 static void supplicant_remove(DBusConnection *conn, void *user_data)
1424 DBG("conn %p", conn);
1426 for (list = driver_list; list; list = list->next) {
1427 struct supplicant_driver *driver = list->data;
1429 DBG("driver %p name %s", driver, driver->name);
1436 static const char *supplicant_rule = "type=signal,"
1437 "interface=" SUPPLICANT_INTF ".Interface";
1440 static int supplicant_create(void)
1442 if (g_slist_length(driver_list) > 0)
1445 connection = connman_dbus_get_connection();
1446 if (connection == NULL)
1449 DBG("connection %p", connection);
1451 if (dbus_connection_add_filter(connection,
1452 supplicant_filter, NULL, NULL) == FALSE) {
1453 connection = connman_dbus_get_connection();
1457 dbus_bus_add_match(connection, supplicant_rule, NULL);
1458 dbus_connection_flush(connection);
1460 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1461 supplicant_probe, supplicant_remove, NULL, NULL);
1466 static void supplicant_destroy(void)
1468 if (g_slist_length(driver_list) > 0)
1471 DBG("connection %p", connection);
1474 g_dbus_remove_watch(connection, watch);
1476 dbus_bus_remove_match(connection, supplicant_rule, NULL);
1477 dbus_connection_flush(connection);
1479 dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1481 dbus_connection_unref(connection);
1485 int supplicant_register(struct supplicant_driver *driver)
1489 DBG("driver %p name %s", driver, driver->name);
1491 err = supplicant_create();
1495 driver_list = g_slist_append(driver_list, driver);
1497 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1498 supplicant_probe(connection, NULL);
1500 supplicant_activate(connection);
1505 void supplicant_unregister(struct supplicant_driver *driver)
1507 DBG("driver %p name %s", driver, driver->name);
1509 supplicant_remove(connection, NULL);
1511 driver_list = g_slist_remove(driver_list, driver);
1513 supplicant_destroy();