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
30 #include <net/ethernet.h>
34 #define CONNMAN_API_SUBJECT_TO_CHANGE
35 #include <connman/device.h>
36 #include <connman/dbus.h>
37 #include <connman/log.h>
40 #include "supplicant.h"
44 #define IEEE80211_CAP_ESS 0x0001
45 #define IEEE80211_CAP_IBSS 0x0002
46 #define IEEE80211_CAP_PRIVACY 0x0010
48 #define SUPPLICANT_NAME "fi.epitest.hostap.WPASupplicant"
49 #define SUPPLICANT_INTF "fi.epitest.hostap.WPASupplicant"
50 #define SUPPLICANT_PATH "/fi/epitest/hostap/WPASupplicant"
52 /* Taken from "WPA Supplicant - Common definitions" */
53 enum supplicant_state {
55 * WPA_DISCONNECTED - Disconnected state
57 * This state indicates that client is not associated, but is likely to
58 * start looking for an access point. This state is entered when a
64 * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
66 * This state is entered if there are no enabled networks in the
67 * configuration. wpa_supplicant is not trying to associate with a new
68 * network and external interaction (e.g., ctrl_iface call to add or
69 * enable a network) is needed to start association.
74 * WPA_SCANNING - Scanning for a network
76 * This state is entered when wpa_supplicant starts scanning for a
82 * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
84 * This state is entered when wpa_supplicant has found a suitable BSS
85 * to associate with and the driver is configured to try to associate
86 * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
87 * state is entered when the driver is configured to try to associate
88 * with a network using the configured SSID and security policy.
93 * WPA_ASSOCIATED - Association completed
95 * This state is entered when the driver reports that association has
96 * been successfully completed with an AP. If IEEE 802.1X is used
97 * (with or without WPA/WPA2), wpa_supplicant remains in this state
98 * until the IEEE 802.1X/EAPOL authentication has been completed.
103 * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
105 * This state is entered when WPA/WPA2 4-Way Handshake is started. In
106 * case of WPA-PSK, this happens when receiving the first EAPOL-Key
107 * frame after association. In case of WPA-EAP, this state is entered
108 * when the IEEE 802.1X/EAPOL authentication has been completed.
113 * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
115 * This state is entered when 4-Way Key Handshake has been completed
116 * (i.e., when the supplicant sends out message 4/4) and when Group
117 * Key rekeying is started by the AP (i.e., when supplicant receives
123 * WPA_COMPLETED - All authentication completed
125 * This state is entered when the full authentication process is
126 * completed. In case of WPA2, this happens when the 4-Way Handshake is
127 * successfully completed. With WPA, this state is entered after the
128 * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
129 * completed after dynamic keys are received (or if not used, after
130 * the EAP authentication has been completed). With static WEP keys and
131 * plaintext connections, this state is entered when an association
132 * has been completed.
134 * This state indicates that the supplicant has completed its
135 * processing for the association phase and that data connection is
141 * WPA_INVALID - Invalid state (parsing error)
143 * This state is returned if the string input is invalid. It is not
144 * an official wpa_supplicant state.
149 struct supplicant_result {
154 unsigned int ssid_len;
155 dbus_uint16_t capabilities;
161 dbus_int32_t quality;
164 dbus_int32_t maxrate;
167 struct supplicant_task {
170 struct connman_device *device;
171 struct connman_network *network;
175 enum supplicant_state state;
177 GSList *scan_results;
180 static GSList *task_list = NULL;
182 static DBusConnection *connection;
184 static void free_task(struct supplicant_task *task)
186 DBG("task %p", task);
188 g_free(task->ifname);
193 static struct supplicant_task *find_task_by_index(int index)
197 for (list = task_list; list; list = list->next) {
198 struct supplicant_task *task = list->data;
200 if (task->ifindex == index)
207 static struct supplicant_task *find_task_by_path(const char *path)
211 for (list = task_list; list; list = list->next) {
212 struct supplicant_task *task = list->data;
214 if (g_str_equal(task->path, path) == TRUE)
221 static void add_interface_reply(DBusPendingCall *call, void *user_data)
223 struct supplicant_task *task = user_data;
228 DBG("task %p", task);
230 reply = dbus_pending_call_steal_reply(call);
234 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
237 dbus_error_init(&error);
239 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
240 DBUS_TYPE_INVALID) == FALSE) {
241 if (dbus_error_is_set(&error) == TRUE) {
242 connman_error("%s", error.message);
243 dbus_error_free(&error);
245 connman_error("Wrong arguments for add interface");
249 DBG("path %s", path);
251 task->path = g_strdup(path);
252 task->created = TRUE;
254 connman_device_set_powered(task->device, TRUE);
257 dbus_message_unref(reply);
260 static int add_interface(struct supplicant_task *task)
262 DBusMessage *message;
263 DBusPendingCall *call;
265 DBG("task %p", task);
267 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
268 SUPPLICANT_INTF, "addInterface");
272 dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
275 if (dbus_connection_send_with_reply(connection, message,
276 &call, TIMEOUT) == FALSE) {
277 connman_error("Failed to add interface");
278 dbus_message_unref(message);
282 dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
284 dbus_message_unref(message);
289 static void get_interface_reply(DBusPendingCall *call, void *user_data)
291 struct supplicant_task *task = user_data;
296 DBG("task %p", task);
298 reply = dbus_pending_call_steal_reply(call);
302 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
307 dbus_error_init(&error);
309 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
310 DBUS_TYPE_INVALID) == FALSE) {
311 if (dbus_error_is_set(&error) == TRUE) {
312 connman_error("%s", error.message);
313 dbus_error_free(&error);
315 connman_error("Wrong arguments for get interface");
319 DBG("path %s", path);
321 task->path = g_strdup(path);
322 task->created = FALSE;
324 connman_device_set_powered(task->device, TRUE);
327 dbus_message_unref(reply);
330 static int create_interface(struct supplicant_task *task)
332 DBusMessage *message;
333 DBusPendingCall *call;
335 DBG("task %p", task);
337 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
338 SUPPLICANT_INTF, "getInterface");
342 dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
345 if (dbus_connection_send_with_reply(connection, message,
346 &call, TIMEOUT) == FALSE) {
347 connman_error("Failed to get interface");
348 dbus_message_unref(message);
352 dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
354 dbus_message_unref(message);
359 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
361 struct supplicant_task *task = user_data;
364 DBG("task %p", task);
366 reply = dbus_pending_call_steal_reply(call);
368 connman_device_set_powered(task->device, FALSE);
370 connman_device_unref(task->device);
374 dbus_message_unref(reply);
377 static int remove_interface(struct supplicant_task *task)
379 DBusMessage *message;
380 DBusPendingCall *call;
382 DBG("task %p", task);
384 if (task->created == FALSE) {
385 connman_device_set_powered(task->device, FALSE);
389 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
390 SUPPLICANT_INTF, "removeInterface");
394 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
397 if (dbus_connection_send_with_reply(connection, message,
398 &call, TIMEOUT) == FALSE) {
399 connman_error("Failed to remove interface");
400 dbus_message_unref(message);
404 dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
406 dbus_message_unref(message);
412 static int set_ap_scan(struct supplicant_task *task)
414 DBusMessage *message, *reply;
418 DBG("task %p", task);
420 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
421 SUPPLICANT_INTF ".Interface", "setAPScan");
425 dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
428 dbus_error_init(&error);
430 reply = dbus_connection_send_with_reply_and_block(connection,
431 message, -1, &error);
433 if (dbus_error_is_set(&error) == TRUE) {
434 connman_error("%s", error.message);
435 dbus_error_free(&error);
437 connman_error("Failed to set AP scan");
438 dbus_message_unref(message);
442 dbus_message_unref(message);
444 dbus_message_unref(reply);
450 static int add_network(struct supplicant_task *task)
452 DBusMessage *message, *reply;
456 DBG("task %p", task);
458 if (task->netpath != NULL)
461 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
462 SUPPLICANT_INTF ".Interface", "addNetwork");
466 dbus_error_init(&error);
468 reply = dbus_connection_send_with_reply_and_block(connection,
469 message, -1, &error);
471 if (dbus_error_is_set(&error) == TRUE) {
472 connman_error("%s", error.message);
473 dbus_error_free(&error);
475 connman_error("Failed to add network");
476 dbus_message_unref(message);
480 dbus_message_unref(message);
482 dbus_error_init(&error);
484 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
485 DBUS_TYPE_INVALID) == FALSE) {
486 if (dbus_error_is_set(&error) == TRUE) {
487 connman_error("%s", error.message);
488 dbus_error_free(&error);
490 connman_error("Wrong arguments for network");
491 dbus_message_unref(reply);
495 DBG("path %s", path);
497 task->netpath = g_strdup(path);
499 dbus_message_unref(reply);
504 static int remove_network(struct supplicant_task *task)
506 DBusMessage *message, *reply;
509 DBG("task %p", task);
511 if (task->netpath == NULL)
514 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
515 SUPPLICANT_INTF ".Interface", "removeNetwork");
519 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
522 dbus_error_init(&error);
524 reply = dbus_connection_send_with_reply_and_block(connection,
525 message, -1, &error);
527 if (dbus_error_is_set(&error) == TRUE) {
528 connman_error("%s", error.message);
529 dbus_error_free(&error);
531 connman_error("Failed to remove network");
532 dbus_message_unref(message);
536 dbus_message_unref(message);
538 dbus_message_unref(reply);
540 g_free(task->netpath);
541 task->netpath = NULL;
546 static int select_network(struct supplicant_task *task)
548 DBusMessage *message, *reply;
551 DBG("task %p", task);
553 if (task->netpath == NULL)
556 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
557 SUPPLICANT_INTF ".Interface", "selectNetwork");
561 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
564 dbus_error_init(&error);
566 reply = dbus_connection_send_with_reply_and_block(connection,
567 message, -1, &error);
569 if (dbus_error_is_set(&error) == TRUE) {
570 connman_error("%s", error.message);
571 dbus_error_free(&error);
573 connman_error("Failed to select network");
574 dbus_message_unref(message);
578 dbus_message_unref(message);
580 dbus_message_unref(reply);
585 static int enable_network(struct supplicant_task *task)
587 DBusMessage *message, *reply;
590 DBG("task %p", task);
592 if (task->netpath == NULL)
595 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
596 SUPPLICANT_INTF ".Network", "enable");
600 dbus_error_init(&error);
602 reply = dbus_connection_send_with_reply_and_block(connection,
603 message, -1, &error);
605 if (dbus_error_is_set(&error) == TRUE) {
606 connman_error("%s", error.message);
607 dbus_error_free(&error);
609 connman_error("Failed to enable network");
610 dbus_message_unref(message);
614 dbus_message_unref(message);
616 dbus_message_unref(reply);
621 static int disable_network(struct supplicant_task *task)
623 DBusMessage *message, *reply;
626 DBG("task %p", task);
628 if (task->netpath == NULL)
631 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
632 SUPPLICANT_INTF ".Network", "disable");
636 dbus_error_init(&error);
638 reply = dbus_connection_send_with_reply_and_block(connection,
639 message, -1, &error);
641 if (dbus_error_is_set(&error) == TRUE) {
642 connman_error("%s", error.message);
643 dbus_error_free(&error);
645 connman_error("Failed to disable network");
646 dbus_message_unref(message);
650 dbus_message_unref(message);
652 dbus_message_unref(reply);
657 static int set_network(struct supplicant_task *task,
658 const unsigned char *network, int len,
659 const char *address, const char *security,
660 const char *passphrase)
662 DBusMessage *message, *reply;
663 DBusMessageIter array, dict;
666 DBG("task %p", task);
668 if (task->netpath == NULL)
671 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
672 SUPPLICANT_INTF ".Network", "set");
676 dbus_message_iter_init_append(message, &array);
678 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
679 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
680 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
681 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
683 if (len > 0 && address == NULL) {
684 const char *scan = "1";
686 connman_dbus_dict_append_variant(&dict, "scan_ssid",
687 DBUS_TYPE_STRING, &scan);
689 connman_dbus_dict_append_array(&dict, "ssid",
690 DBUS_TYPE_BYTE, &network, len);
694 connman_dbus_dict_append_variant(&dict, "bssid",
695 DBUS_TYPE_STRING, &address);
697 if (g_ascii_strcasecmp(security, "wpa") == 0 ||
698 g_ascii_strcasecmp(security, "wpa2") == 0) {
699 const char *key_mgmt = "WPA-PSK";
700 connman_dbus_dict_append_variant(&dict, "key_mgmt",
701 DBUS_TYPE_STRING, &key_mgmt);
703 if (passphrase && strlen(passphrase) > 0)
704 connman_dbus_dict_append_variant(&dict, "psk",
705 DBUS_TYPE_STRING, &passphrase);
706 } else if (g_ascii_strcasecmp(security, "wep") == 0) {
707 const char *key_mgmt = "NONE", *index = "0";
708 connman_dbus_dict_append_variant(&dict, "key_mgmt",
709 DBUS_TYPE_STRING, &key_mgmt);
712 int size = strlen(passphrase);
713 if (size == 10 || size == 26) {
714 unsigned char *key = malloc(13);
717 memset(tmp, 0, sizeof(tmp));
720 for (i = 0; i < size / 2; i++) {
721 memcpy(tmp, passphrase + (i * 2), 2);
722 key[i] = (unsigned char) strtol(tmp,
725 connman_dbus_dict_append_array(&dict,
726 "wep_key0", DBUS_TYPE_BYTE,
730 connman_dbus_dict_append_variant(&dict,
731 "wep_key0", DBUS_TYPE_STRING,
733 connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
734 DBUS_TYPE_STRING, &index);
737 const char *key_mgmt = "NONE";
738 connman_dbus_dict_append_variant(&dict, "key_mgmt",
739 DBUS_TYPE_STRING, &key_mgmt);
742 dbus_message_iter_close_container(&array, &dict);
744 dbus_error_init(&error);
746 reply = dbus_connection_send_with_reply_and_block(connection,
747 message, -1, &error);
749 if (dbus_error_is_set(&error) == TRUE) {
750 connman_error("%s", error.message);
751 dbus_error_free(&error);
753 connman_error("Failed to set network options");
754 dbus_message_unref(message);
758 dbus_message_unref(message);
760 dbus_message_unref(reply);
765 static int initiate_scan(struct supplicant_task *task)
767 DBusMessage *message;
768 DBusPendingCall *call;
770 DBG("task %p", task);
772 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
773 SUPPLICANT_INTF ".Interface", "scan");
777 if (dbus_connection_send_with_reply(connection, message,
778 &call, TIMEOUT) == FALSE) {
779 connman_error("Failed to initiate scan");
780 dbus_message_unref(message);
784 dbus_message_unref(message);
789 static void extract_addr(DBusMessageIter *value,
790 struct supplicant_result *result)
792 DBusMessageIter array;
793 struct ether_addr *eth;
797 dbus_message_iter_recurse(value, &array);
798 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
805 result->addr = g_try_malloc0(18);
806 if (result->addr == NULL)
809 snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
810 eth->ether_addr_octet[0],
811 eth->ether_addr_octet[1],
812 eth->ether_addr_octet[2],
813 eth->ether_addr_octet[3],
814 eth->ether_addr_octet[4],
815 eth->ether_addr_octet[5]);
817 result->path = g_try_malloc0(18);
818 if (result->path == NULL)
821 snprintf(result->path, 18, "%02X_%02X_%02X_%02X_%02X_%02X",
822 eth->ether_addr_octet[0],
823 eth->ether_addr_octet[1],
824 eth->ether_addr_octet[2],
825 eth->ether_addr_octet[3],
826 eth->ether_addr_octet[4],
827 eth->ether_addr_octet[5]);
830 static void extract_ssid(DBusMessageIter *value,
831 struct supplicant_result *result)
833 DBusMessageIter array;
837 dbus_message_iter_recurse(value, &array);
838 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
846 result->ssid = g_try_malloc(ssid_len);
847 if (result->ssid == NULL)
850 memcpy(result->ssid, ssid, ssid_len);
851 result->ssid_len = ssid_len;
853 result->name = g_try_malloc0(ssid_len + 1);
854 if (result->name == NULL)
857 memcpy(result->name, ssid, ssid_len);
860 static void extract_wpaie(DBusMessageIter *value,
861 struct supplicant_result *result)
863 DBusMessageIter array;
867 dbus_message_iter_recurse(value, &array);
868 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
871 result->has_wpa = TRUE;
874 static void extract_rsnie(DBusMessageIter *value,
875 struct supplicant_result *result)
877 DBusMessageIter array;
881 dbus_message_iter_recurse(value, &array);
882 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
885 result->has_rsn = TRUE;
888 static void extract_wpsie(DBusMessageIter *value,
889 struct supplicant_result *result)
891 DBusMessageIter array;
895 dbus_message_iter_recurse(value, &array);
896 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
899 result->has_wps = TRUE;
902 static void extract_capabilites(DBusMessageIter *value,
903 struct supplicant_result *result)
905 dbus_message_iter_get_basic(value, &result->capabilities);
907 if (result->capabilities & IEEE80211_CAP_ESS)
908 result->adhoc = FALSE;
909 else if (result->capabilities & IEEE80211_CAP_IBSS)
910 result->adhoc = TRUE;
912 if (result->capabilities & IEEE80211_CAP_PRIVACY)
913 result->has_wep = TRUE;
916 static void get_properties(struct supplicant_task *task);
918 static void properties_reply(DBusPendingCall *call, void *user_data)
920 struct supplicant_task *task = user_data;
921 struct supplicant_result result;
922 struct connman_network *network;
924 DBusMessageIter array, dict;
925 const char *mode, *security;
926 unsigned char strength;
928 DBG("task %p", task);
930 reply = dbus_pending_call_steal_reply(call);
932 get_properties(task);
936 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
937 dbus_message_unref(reply);
938 get_properties(task);
942 memset(&result, 0, sizeof(result));
944 dbus_message_iter_init(reply, &array);
946 dbus_message_iter_recurse(&array, &dict);
948 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
949 DBusMessageIter entry, value;
952 dbus_message_iter_recurse(&dict, &entry);
953 dbus_message_iter_get_basic(&entry, &key);
955 dbus_message_iter_next(&entry);
957 dbus_message_iter_recurse(&entry, &value);
959 //type = dbus_message_iter_get_arg_type(&value);
960 //dbus_message_iter_get_basic(&value, &val);
968 * frequency : i (105)
969 * capabilities : q (113)
976 if (g_str_equal(key, "bssid") == TRUE)
977 extract_addr(&value, &result);
978 else if (g_str_equal(key, "ssid") == TRUE)
979 extract_ssid(&value, &result);
980 else if (g_str_equal(key, "wpaie") == TRUE)
981 extract_wpaie(&value, &result);
982 else if (g_str_equal(key, "rsnie") == TRUE)
983 extract_rsnie(&value, &result);
984 else if (g_str_equal(key, "wpsie") == TRUE)
985 extract_wpsie(&value, &result);
986 else if (g_str_equal(key, "capabilities") == TRUE)
987 extract_capabilites(&value, &result);
988 else if (g_str_equal(key, "quality") == TRUE)
989 dbus_message_iter_get_basic(&value, &result.quality);
990 else if (g_str_equal(key, "noise") == TRUE)
991 dbus_message_iter_get_basic(&value, &result.noise);
992 else if (g_str_equal(key, "level") == TRUE)
993 dbus_message_iter_get_basic(&value, &result.level);
994 else if (g_str_equal(key, "maxrate") == TRUE)
995 dbus_message_iter_get_basic(&value, &result.maxrate);
997 dbus_message_iter_next(&dict);
1000 if (result.path == NULL)
1003 if (result.path[0] == '\0')
1006 strength = result.quality;
1008 if (result.has_rsn == TRUE)
1010 else if (result.has_wpa == TRUE)
1012 else if (result.has_wep == TRUE)
1017 network = connman_device_get_network(task->device, result.path);
1018 if (network == NULL) {
1021 network = connman_network_create(result.path,
1022 CONNMAN_NETWORK_TYPE_WIFI);
1023 if (network == NULL)
1026 index = connman_device_get_index(task->device);
1027 connman_network_set_index(network, index);
1029 connman_network_set_protocol(network,
1030 CONNMAN_NETWORK_PROTOCOL_IP);
1032 connman_network_set_string(network, "Address", result.addr);
1034 if (connman_device_add_network(task->device, network) < 0) {
1035 connman_network_unref(network);
1040 connman_network_set_string(network, "Name", result.name);
1042 connman_network_set_blob(network, "WiFi.SSID",
1043 result.ssid, result.ssid_len);
1045 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1046 connman_network_set_string(network, "WiFi.Mode", mode);
1048 DBG("%s (%s %s) strength %d (%s)",
1049 result.name, mode, security, strength,
1050 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1052 connman_network_set_available(network, TRUE);
1053 connman_network_set_uint8(network, "Strength", strength);
1055 connman_network_set_string(network, "WiFi.Security", security);
1058 g_free(result.path);
1059 g_free(result.addr);
1060 g_free(result.name);
1061 g_free(result.ssid);
1063 dbus_message_unref(reply);
1065 get_properties(task);
1068 static void get_properties(struct supplicant_task *task)
1070 DBusMessage *message;
1071 DBusPendingCall *call;
1074 path = g_slist_nth_data(task->scan_results, 0);
1078 message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1079 SUPPLICANT_INTF ".BSSID",
1082 task->scan_results = g_slist_remove(task->scan_results, path);
1085 if (message == NULL)
1088 if (dbus_connection_send_with_reply(connection, message,
1089 &call, TIMEOUT) == FALSE) {
1090 connman_error("Failed to get network properties");
1091 dbus_message_unref(message);
1095 dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1097 dbus_message_unref(message);
1102 if (task->noscan == FALSE)
1103 connman_device_set_scanning(task->device, FALSE);
1106 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1108 struct supplicant_task *task = user_data;
1114 DBG("task %p", task);
1116 reply = dbus_pending_call_steal_reply(call);
1120 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1123 dbus_error_init(&error);
1125 if (dbus_message_get_args(reply, &error,
1126 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1127 &results, &num_results,
1128 DBUS_TYPE_INVALID) == FALSE) {
1129 if (dbus_error_is_set(&error) == TRUE) {
1130 connman_error("%s", error.message);
1131 dbus_error_free(&error);
1133 connman_error("Wrong arguments for scan result");
1137 if (num_results == 0)
1140 for (i = 0; i < num_results; i++) {
1141 char *path = g_strdup(results[i]);
1145 task->scan_results = g_slist_append(task->scan_results, path);
1148 g_strfreev(results);
1150 dbus_message_unref(reply);
1152 get_properties(task);
1157 dbus_message_unref(reply);
1160 if (task->noscan == FALSE)
1161 connman_device_set_scanning(task->device, FALSE);
1164 static void scan_results_available(struct supplicant_task *task)
1166 DBusMessage *message;
1167 DBusPendingCall *call;
1169 DBG("task %p", task);
1171 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1172 SUPPLICANT_INTF ".Interface",
1174 if (message == NULL)
1177 if (dbus_connection_send_with_reply(connection, message,
1178 &call, TIMEOUT) == FALSE) {
1179 connman_error("Failed to request scan result");
1183 if (task->noscan == FALSE)
1184 connman_device_set_scanning(task->device, TRUE);
1186 dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1189 dbus_message_unref(message);
1192 static enum supplicant_state string2state(const char *state)
1194 if (g_str_equal(state, "INACTIVE") == TRUE)
1195 return WPA_INACTIVE;
1196 else if (g_str_equal(state, "SCANNING") == TRUE)
1197 return WPA_SCANNING;
1198 else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1199 return WPA_ASSOCIATING;
1200 else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1201 return WPA_ASSOCIATED;
1202 else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1203 return WPA_GROUP_HANDSHAKE;
1204 else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1205 return WPA_4WAY_HANDSHAKE;
1206 else if (g_str_equal(state, "COMPLETED") == TRUE)
1207 return WPA_COMPLETED;
1208 else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1209 return WPA_DISCONNECTED;
1214 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1217 const char *newstate, *oldstate;
1218 enum supplicant_state state;
1220 dbus_error_init(&error);
1222 if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1223 DBUS_TYPE_STRING, &oldstate,
1224 DBUS_TYPE_INVALID) == FALSE) {
1225 if (dbus_error_is_set(&error) == TRUE) {
1226 connman_error("%s", error.message);
1227 dbus_error_free(&error);
1229 connman_error("Wrong arguments for state change");
1233 DBG("state %s ==> %s", oldstate, newstate);
1235 state = string2state(newstate);
1236 if (state == WPA_INVALID)
1239 task->state = state;
1241 switch (task->state) {
1243 task->noscan = TRUE;
1244 connman_device_set_scanning(task->device, TRUE);
1246 case WPA_ASSOCIATING:
1247 case WPA_ASSOCIATED:
1248 case WPA_4WAY_HANDSHAKE:
1249 case WPA_GROUP_HANDSHAKE:
1250 task->noscan = TRUE;
1253 case WPA_DISCONNECTED:
1254 task->noscan = FALSE;
1257 task->noscan = FALSE;
1258 connman_device_set_scanning(task->device, FALSE);
1264 if (task->network == NULL)
1267 switch (task->state) {
1270 connman_network_set_connected(task->network, TRUE);
1271 connman_device_set_scanning(task->device, FALSE);
1273 case WPA_DISCONNECTED:
1275 connman_network_set_connected(task->network, FALSE);
1276 connman_device_set_scanning(task->device, FALSE);
1283 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1284 DBusMessage *msg, void *data)
1286 struct supplicant_task *task;
1287 const char *member, *path;
1289 if (dbus_message_has_interface(msg,
1290 SUPPLICANT_INTF ".Interface") == FALSE)
1291 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1293 member = dbus_message_get_member(msg);
1295 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1297 path = dbus_message_get_path(msg);
1299 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1301 task = find_task_by_path(path);
1303 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1305 DBG("task %p member %s", task, member);
1307 if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1308 scan_results_available(task);
1309 else if (g_str_equal(member, "StateChange") == TRUE)
1310 state_change(task, msg);
1312 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1315 int supplicant_start(struct connman_device *device)
1317 struct supplicant_task *task;
1319 DBG("device %p", device);
1321 task = g_try_new0(struct supplicant_task, 1);
1325 task->ifindex = connman_device_get_index(device);
1326 task->ifname = inet_index2name(task->ifindex);
1328 if (task->ifname == NULL) {
1333 task->device = connman_device_ref(device);
1335 task->created = FALSE;
1336 task->noscan = FALSE;
1337 task->state = WPA_INVALID;
1339 task_list = g_slist_append(task_list, task);
1341 return create_interface(task);
1344 int supplicant_stop(struct connman_device *device)
1346 int index = connman_device_get_index(device);
1347 struct supplicant_task *task;
1349 DBG("device %p", device);
1351 task = find_task_by_index(index);
1355 task_list = g_slist_remove(task_list, task);
1357 disable_network(task);
1359 remove_network(task);
1361 return remove_interface(task);
1364 int supplicant_scan(struct connman_device *device)
1366 int index = connman_device_get_index(device);
1367 struct supplicant_task *task;
1370 DBG("device %p", device);
1372 task = find_task_by_index(index);
1376 switch (task->state) {
1379 case WPA_ASSOCIATING:
1380 case WPA_ASSOCIATED:
1381 case WPA_4WAY_HANDSHAKE:
1382 case WPA_GROUP_HANDSHAKE:
1388 err = initiate_scan(task);
1393 int supplicant_connect(struct connman_network *network)
1395 struct supplicant_task *task;
1396 const char *address, *security, *passphrase;
1398 unsigned int ssid_len;
1401 DBG("network %p", network);
1403 address = connman_network_get_string(network, "Address");
1404 security = connman_network_get_string(network, "WiFi.Security");
1405 passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1407 ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1409 DBG("address %s security %s passphrase %s",
1410 address, security, passphrase);
1412 if (security == NULL && passphrase == NULL)
1415 if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1418 index = connman_network_get_index(network);
1420 task = find_task_by_index(index);
1424 task->network = connman_network_ref(network);
1428 select_network(task);
1429 disable_network(task);
1431 set_network(task, ssid, ssid_len, address, security, passphrase);
1433 enable_network(task);
1438 int supplicant_disconnect(struct connman_network *network)
1440 struct supplicant_task *task;
1443 DBG("network %p", network);
1445 index = connman_network_get_index(network);
1447 task = find_task_by_index(index);
1451 disable_network(task);
1453 remove_network(task);
1455 connman_network_set_connected(task->network, FALSE);
1457 connman_network_unref(task->network);
1462 static void supplicant_activate(DBusConnection *conn)
1464 DBusMessage *message;
1466 DBG("conn %p", conn);
1468 message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1469 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1470 if (message == NULL)
1473 dbus_message_set_no_reply(message, TRUE);
1475 dbus_connection_send(conn, message, NULL);
1477 dbus_message_unref(message);
1480 static GSList *driver_list = NULL;
1482 static void supplicant_probe(DBusConnection *conn, void *user_data)
1486 DBG("conn %p", conn);
1488 for (list = driver_list; list; list = list->next) {
1489 struct supplicant_driver *driver = list->data;
1491 DBG("driver %p name %s", driver, driver->name);
1498 static void supplicant_remove(DBusConnection *conn, void *user_data)
1502 DBG("conn %p", conn);
1504 for (list = driver_list; list; list = list->next) {
1505 struct supplicant_driver *driver = list->data;
1507 DBG("driver %p name %s", driver, driver->name);
1514 static const char *supplicant_rule = "type=signal,"
1515 "interface=" SUPPLICANT_INTF ".Interface";
1518 static int supplicant_create(void)
1520 if (g_slist_length(driver_list) > 0)
1523 connection = connman_dbus_get_connection();
1524 if (connection == NULL)
1527 DBG("connection %p", connection);
1529 if (dbus_connection_add_filter(connection,
1530 supplicant_filter, NULL, NULL) == FALSE) {
1531 connection = connman_dbus_get_connection();
1535 dbus_bus_add_match(connection, supplicant_rule, NULL);
1536 dbus_connection_flush(connection);
1538 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1539 supplicant_probe, supplicant_remove, NULL, NULL);
1544 static void supplicant_destroy(void)
1546 if (g_slist_length(driver_list) > 0)
1549 DBG("connection %p", connection);
1552 g_dbus_remove_watch(connection, watch);
1554 dbus_bus_remove_match(connection, supplicant_rule, NULL);
1555 dbus_connection_flush(connection);
1557 dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1559 dbus_connection_unref(connection);
1563 int supplicant_register(struct supplicant_driver *driver)
1567 DBG("driver %p name %s", driver, driver->name);
1569 err = supplicant_create();
1573 driver_list = g_slist_append(driver_list, driver);
1575 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1576 supplicant_probe(connection, NULL);
1578 supplicant_activate(connection);
1583 void supplicant_unregister(struct supplicant_driver *driver)
1585 DBG("driver %p name %s", driver, driver->name);
1587 supplicant_remove(connection, NULL);
1589 driver_list = g_slist_remove(driver_list, driver);
1591 supplicant_destroy();