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);
684 if (address == NULL) {
685 const char *scan = "1";
686 connman_dbus_dict_append_variant(&dict, "scan_ssid",
687 DBUS_TYPE_STRING, &scan);
690 connman_dbus_dict_append_array(&dict, "ssid",
691 DBUS_TYPE_BYTE, &network, len);
695 connman_dbus_dict_append_variant(&dict, "bssid",
696 DBUS_TYPE_STRING, &address);
698 if (g_ascii_strcasecmp(security, "wpa") == 0 ||
699 g_ascii_strcasecmp(security, "wpa2") == 0) {
700 const char *key_mgmt = "WPA-PSK";
701 connman_dbus_dict_append_variant(&dict, "key_mgmt",
702 DBUS_TYPE_STRING, &key_mgmt);
704 if (passphrase && strlen(passphrase) > 0)
705 connman_dbus_dict_append_variant(&dict, "psk",
706 DBUS_TYPE_STRING, &passphrase);
707 } else if (g_ascii_strcasecmp(security, "wep") == 0) {
708 const char *key_mgmt = "NONE", *index = "0";
709 connman_dbus_dict_append_variant(&dict, "key_mgmt",
710 DBUS_TYPE_STRING, &key_mgmt);
713 int size = strlen(passphrase);
714 if (size == 10 || size == 26) {
715 unsigned char *key = malloc(13);
718 memset(tmp, 0, sizeof(tmp));
721 for (i = 0; i < size / 2; i++) {
722 memcpy(tmp, passphrase + (i * 2), 2);
723 key[i] = (unsigned char) strtol(tmp,
726 connman_dbus_dict_append_array(&dict,
727 "wep_key0", DBUS_TYPE_BYTE,
731 connman_dbus_dict_append_variant(&dict,
732 "wep_key0", DBUS_TYPE_STRING,
734 connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
735 DBUS_TYPE_STRING, &index);
738 const char *key_mgmt = "NONE";
739 connman_dbus_dict_append_variant(&dict, "key_mgmt",
740 DBUS_TYPE_STRING, &key_mgmt);
743 dbus_message_iter_close_container(&array, &dict);
745 dbus_error_init(&error);
747 reply = dbus_connection_send_with_reply_and_block(connection,
748 message, -1, &error);
750 if (dbus_error_is_set(&error) == TRUE) {
751 connman_error("%s", error.message);
752 dbus_error_free(&error);
754 connman_error("Failed to set network options");
755 dbus_message_unref(message);
759 dbus_message_unref(message);
761 dbus_message_unref(reply);
766 static int initiate_scan(struct supplicant_task *task)
768 DBusMessage *message;
769 DBusPendingCall *call;
771 DBG("task %p", task);
773 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
774 SUPPLICANT_INTF ".Interface", "scan");
778 if (dbus_connection_send_with_reply(connection, message,
779 &call, TIMEOUT) == FALSE) {
780 connman_error("Failed to initiate scan");
781 dbus_message_unref(message);
785 dbus_message_unref(message);
790 static void extract_addr(DBusMessageIter *value,
791 struct supplicant_result *result)
793 DBusMessageIter array;
794 struct ether_addr *eth;
798 dbus_message_iter_recurse(value, &array);
799 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
806 result->addr = g_try_malloc0(18);
807 if (result->addr == NULL)
810 snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
811 eth->ether_addr_octet[0],
812 eth->ether_addr_octet[1],
813 eth->ether_addr_octet[2],
814 eth->ether_addr_octet[3],
815 eth->ether_addr_octet[4],
816 eth->ether_addr_octet[5]);
818 result->path = g_try_malloc0(18);
819 if (result->path == NULL)
822 snprintf(result->path, 18, "%02X_%02X_%02X_%02X_%02X_%02X",
823 eth->ether_addr_octet[0],
824 eth->ether_addr_octet[1],
825 eth->ether_addr_octet[2],
826 eth->ether_addr_octet[3],
827 eth->ether_addr_octet[4],
828 eth->ether_addr_octet[5]);
831 static void extract_ssid(DBusMessageIter *value,
832 struct supplicant_result *result)
834 DBusMessageIter array;
838 dbus_message_iter_recurse(value, &array);
839 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
847 result->ssid = g_try_malloc(ssid_len);
848 if (result->ssid == NULL)
851 memcpy(result->ssid, ssid, ssid_len);
852 result->ssid_len = ssid_len;
854 result->name = g_try_malloc0(ssid_len + 1);
855 if (result->name == NULL)
858 memcpy(result->name, ssid, ssid_len);
861 static void extract_wpaie(DBusMessageIter *value,
862 struct supplicant_result *result)
864 DBusMessageIter array;
868 dbus_message_iter_recurse(value, &array);
869 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
872 result->has_wpa = TRUE;
875 static void extract_rsnie(DBusMessageIter *value,
876 struct supplicant_result *result)
878 DBusMessageIter array;
882 dbus_message_iter_recurse(value, &array);
883 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
886 result->has_rsn = TRUE;
889 static void extract_wpsie(DBusMessageIter *value,
890 struct supplicant_result *result)
892 DBusMessageIter array;
896 dbus_message_iter_recurse(value, &array);
897 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
900 result->has_wps = TRUE;
903 static void extract_capabilites(DBusMessageIter *value,
904 struct supplicant_result *result)
906 dbus_message_iter_get_basic(value, &result->capabilities);
908 if (result->capabilities & IEEE80211_CAP_ESS)
909 result->adhoc = FALSE;
910 else if (result->capabilities & IEEE80211_CAP_IBSS)
911 result->adhoc = TRUE;
913 if (result->capabilities & IEEE80211_CAP_PRIVACY)
914 result->has_wep = TRUE;
917 static void get_properties(struct supplicant_task *task);
919 static void properties_reply(DBusPendingCall *call, void *user_data)
921 struct supplicant_task *task = user_data;
922 struct supplicant_result result;
923 struct connman_network *network;
925 DBusMessageIter array, dict;
926 const char *mode, *security;
927 unsigned char strength;
929 DBG("task %p", task);
931 reply = dbus_pending_call_steal_reply(call);
933 get_properties(task);
937 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
938 dbus_message_unref(reply);
939 get_properties(task);
943 memset(&result, 0, sizeof(result));
945 dbus_message_iter_init(reply, &array);
947 dbus_message_iter_recurse(&array, &dict);
949 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
950 DBusMessageIter entry, value;
953 dbus_message_iter_recurse(&dict, &entry);
954 dbus_message_iter_get_basic(&entry, &key);
956 dbus_message_iter_next(&entry);
958 dbus_message_iter_recurse(&entry, &value);
960 //type = dbus_message_iter_get_arg_type(&value);
961 //dbus_message_iter_get_basic(&value, &val);
969 * frequency : i (105)
970 * capabilities : q (113)
977 if (g_str_equal(key, "bssid") == TRUE)
978 extract_addr(&value, &result);
979 else if (g_str_equal(key, "ssid") == TRUE)
980 extract_ssid(&value, &result);
981 else if (g_str_equal(key, "wpaie") == TRUE)
982 extract_wpaie(&value, &result);
983 else if (g_str_equal(key, "rsnie") == TRUE)
984 extract_rsnie(&value, &result);
985 else if (g_str_equal(key, "wpsie") == TRUE)
986 extract_wpsie(&value, &result);
987 else if (g_str_equal(key, "capabilities") == TRUE)
988 extract_capabilites(&value, &result);
989 else if (g_str_equal(key, "quality") == TRUE)
990 dbus_message_iter_get_basic(&value, &result.quality);
991 else if (g_str_equal(key, "noise") == TRUE)
992 dbus_message_iter_get_basic(&value, &result.noise);
993 else if (g_str_equal(key, "level") == TRUE)
994 dbus_message_iter_get_basic(&value, &result.level);
995 else if (g_str_equal(key, "maxrate") == TRUE)
996 dbus_message_iter_get_basic(&value, &result.maxrate);
998 dbus_message_iter_next(&dict);
1001 if (result.path == NULL)
1004 if (result.path[0] == '\0')
1007 strength = result.quality;
1009 if (result.has_rsn == TRUE)
1011 else if (result.has_wpa == TRUE)
1013 else if (result.has_wep == TRUE)
1018 network = connman_device_get_network(task->device, result.path);
1019 if (network == NULL) {
1022 network = connman_network_create(result.path,
1023 CONNMAN_NETWORK_TYPE_WIFI);
1024 if (network == NULL)
1027 index = connman_device_get_index(task->device);
1028 connman_network_set_index(network, index);
1030 connman_network_set_protocol(network,
1031 CONNMAN_NETWORK_PROTOCOL_IP);
1033 connman_network_set_string(network, "Address", result.addr);
1035 if (connman_device_add_network(task->device, network) < 0) {
1036 connman_network_unref(network);
1041 connman_network_set_string(network, "Name", result.name);
1043 connman_network_set_blob(network, "WiFi.SSID",
1044 result.ssid, result.ssid_len);
1046 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1047 connman_network_set_string(network, "WiFi.Mode", mode);
1049 DBG("%s (%s %s) strength %d (%s)",
1050 result.name, mode, security, strength,
1051 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1053 connman_network_set_available(network, TRUE);
1054 connman_network_set_uint8(network, "Strength", strength);
1056 connman_network_set_string(network, "WiFi.Security", security);
1059 g_free(result.path);
1060 g_free(result.addr);
1061 g_free(result.name);
1062 g_free(result.ssid);
1064 dbus_message_unref(reply);
1066 get_properties(task);
1069 static void get_properties(struct supplicant_task *task)
1071 DBusMessage *message;
1072 DBusPendingCall *call;
1075 path = g_slist_nth_data(task->scan_results, 0);
1079 message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1080 SUPPLICANT_INTF ".BSSID",
1083 task->scan_results = g_slist_remove(task->scan_results, path);
1086 if (message == NULL)
1089 if (dbus_connection_send_with_reply(connection, message,
1090 &call, TIMEOUT) == FALSE) {
1091 connman_error("Failed to get network properties");
1092 dbus_message_unref(message);
1096 dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1098 dbus_message_unref(message);
1103 if (task->noscan == FALSE)
1104 connman_device_set_scanning(task->device, FALSE);
1107 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1109 struct supplicant_task *task = user_data;
1115 DBG("task %p", task);
1117 reply = dbus_pending_call_steal_reply(call);
1121 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1124 dbus_error_init(&error);
1126 if (dbus_message_get_args(reply, &error,
1127 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1128 &results, &num_results,
1129 DBUS_TYPE_INVALID) == FALSE) {
1130 if (dbus_error_is_set(&error) == TRUE) {
1131 connman_error("%s", error.message);
1132 dbus_error_free(&error);
1134 connman_error("Wrong arguments for scan result");
1138 if (num_results == 0)
1141 for (i = 0; i < num_results; i++) {
1142 char *path = g_strdup(results[i]);
1146 task->scan_results = g_slist_append(task->scan_results, path);
1149 g_strfreev(results);
1151 dbus_message_unref(reply);
1153 get_properties(task);
1158 dbus_message_unref(reply);
1161 if (task->noscan == FALSE)
1162 connman_device_set_scanning(task->device, FALSE);
1165 static void scan_results_available(struct supplicant_task *task)
1167 DBusMessage *message;
1168 DBusPendingCall *call;
1170 DBG("task %p", task);
1172 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1173 SUPPLICANT_INTF ".Interface",
1175 if (message == NULL)
1178 if (dbus_connection_send_with_reply(connection, message,
1179 &call, TIMEOUT) == FALSE) {
1180 connman_error("Failed to request scan result");
1184 if (task->noscan == FALSE)
1185 connman_device_set_scanning(task->device, TRUE);
1187 dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1190 dbus_message_unref(message);
1193 static enum supplicant_state string2state(const char *state)
1195 if (g_str_equal(state, "INACTIVE") == TRUE)
1196 return WPA_INACTIVE;
1197 else if (g_str_equal(state, "SCANNING") == TRUE)
1198 return WPA_SCANNING;
1199 else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1200 return WPA_ASSOCIATING;
1201 else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1202 return WPA_ASSOCIATED;
1203 else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1204 return WPA_GROUP_HANDSHAKE;
1205 else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1206 return WPA_4WAY_HANDSHAKE;
1207 else if (g_str_equal(state, "COMPLETED") == TRUE)
1208 return WPA_COMPLETED;
1209 else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1210 return WPA_DISCONNECTED;
1215 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1218 const char *newstate, *oldstate;
1219 enum supplicant_state state;
1221 dbus_error_init(&error);
1223 if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1224 DBUS_TYPE_STRING, &oldstate,
1225 DBUS_TYPE_INVALID) == FALSE) {
1226 if (dbus_error_is_set(&error) == TRUE) {
1227 connman_error("%s", error.message);
1228 dbus_error_free(&error);
1230 connman_error("Wrong arguments for state change");
1234 DBG("state %s ==> %s", oldstate, newstate);
1236 state = string2state(newstate);
1237 if (state == WPA_INVALID)
1240 task->state = state;
1242 switch (task->state) {
1244 task->noscan = TRUE;
1245 connman_device_set_scanning(task->device, TRUE);
1247 case WPA_ASSOCIATING:
1248 case WPA_ASSOCIATED:
1249 case WPA_4WAY_HANDSHAKE:
1250 case WPA_GROUP_HANDSHAKE:
1251 task->noscan = TRUE;
1254 case WPA_DISCONNECTED:
1255 task->noscan = FALSE;
1258 task->noscan = FALSE;
1259 connman_device_set_scanning(task->device, FALSE);
1265 if (task->network == NULL)
1268 switch (task->state) {
1271 connman_network_set_connected(task->network, TRUE);
1272 connman_device_set_scanning(task->device, FALSE);
1274 case WPA_DISCONNECTED:
1276 connman_network_set_connected(task->network, FALSE);
1277 connman_device_set_scanning(task->device, FALSE);
1284 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1285 DBusMessage *msg, void *data)
1287 struct supplicant_task *task;
1288 const char *member, *path;
1290 if (dbus_message_has_interface(msg,
1291 SUPPLICANT_INTF ".Interface") == FALSE)
1292 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1294 member = dbus_message_get_member(msg);
1296 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1298 path = dbus_message_get_path(msg);
1300 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1302 task = find_task_by_path(path);
1304 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1306 DBG("task %p member %s", task, member);
1308 if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1309 scan_results_available(task);
1310 else if (g_str_equal(member, "StateChange") == TRUE)
1311 state_change(task, msg);
1313 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1316 int supplicant_start(struct connman_device *device)
1318 struct supplicant_task *task;
1320 DBG("device %p", device);
1322 task = g_try_new0(struct supplicant_task, 1);
1326 task->ifindex = connman_device_get_index(device);
1327 task->ifname = inet_index2name(task->ifindex);
1329 if (task->ifname == NULL) {
1334 task->device = connman_device_ref(device);
1336 task->created = FALSE;
1337 task->noscan = FALSE;
1338 task->state = WPA_INVALID;
1340 task_list = g_slist_append(task_list, task);
1342 return create_interface(task);
1345 int supplicant_stop(struct connman_device *device)
1347 int index = connman_device_get_index(device);
1348 struct supplicant_task *task;
1350 DBG("device %p", device);
1352 task = find_task_by_index(index);
1356 task_list = g_slist_remove(task_list, task);
1358 disable_network(task);
1360 remove_network(task);
1362 return remove_interface(task);
1365 int supplicant_scan(struct connman_device *device)
1367 int index = connman_device_get_index(device);
1368 struct supplicant_task *task;
1371 DBG("device %p", device);
1373 task = find_task_by_index(index);
1377 switch (task->state) {
1380 case WPA_ASSOCIATING:
1381 case WPA_ASSOCIATED:
1382 case WPA_4WAY_HANDSHAKE:
1383 case WPA_GROUP_HANDSHAKE:
1389 err = initiate_scan(task);
1394 int supplicant_connect(struct connman_network *network)
1396 struct supplicant_task *task;
1397 const char *address, *security, *passphrase;
1399 unsigned int ssid_len;
1402 DBG("network %p", network);
1404 address = connman_network_get_string(network, "Address");
1405 security = connman_network_get_string(network, "WiFi.Security");
1406 passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1408 ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1410 DBG("address %s security %s passphrase %s",
1411 address, security, passphrase);
1413 if (security == NULL && passphrase == NULL)
1416 if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1419 index = connman_network_get_index(network);
1421 task = find_task_by_index(index);
1425 task->network = connman_network_ref(network);
1429 select_network(task);
1430 disable_network(task);
1432 set_network(task, ssid, ssid_len, address, security, passphrase);
1434 enable_network(task);
1439 int supplicant_disconnect(struct connman_network *network)
1441 struct supplicant_task *task;
1444 DBG("network %p", network);
1446 index = connman_network_get_index(network);
1448 task = find_task_by_index(index);
1452 disable_network(task);
1454 remove_network(task);
1456 connman_network_set_connected(task->network, FALSE);
1458 connman_network_unref(task->network);
1463 static void supplicant_activate(DBusConnection *conn)
1465 DBusMessage *message;
1467 DBG("conn %p", conn);
1469 message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1470 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1471 if (message == NULL)
1474 dbus_message_set_no_reply(message, TRUE);
1476 dbus_connection_send(conn, message, NULL);
1478 dbus_message_unref(message);
1481 static GSList *driver_list = NULL;
1483 static void supplicant_probe(DBusConnection *conn, void *user_data)
1487 DBG("conn %p", conn);
1489 for (list = driver_list; list; list = list->next) {
1490 struct supplicant_driver *driver = list->data;
1492 DBG("driver %p name %s", driver, driver->name);
1499 static void supplicant_remove(DBusConnection *conn, void *user_data)
1503 DBG("conn %p", conn);
1505 for (list = driver_list; list; list = list->next) {
1506 struct supplicant_driver *driver = list->data;
1508 DBG("driver %p name %s", driver, driver->name);
1515 static const char *supplicant_rule = "type=signal,"
1516 "interface=" SUPPLICANT_INTF ".Interface";
1519 static int supplicant_create(void)
1521 if (g_slist_length(driver_list) > 0)
1524 connection = connman_dbus_get_connection();
1525 if (connection == NULL)
1528 DBG("connection %p", connection);
1530 if (dbus_connection_add_filter(connection,
1531 supplicant_filter, NULL, NULL) == FALSE) {
1532 connection = connman_dbus_get_connection();
1536 dbus_bus_add_match(connection, supplicant_rule, NULL);
1537 dbus_connection_flush(connection);
1539 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1540 supplicant_probe, supplicant_remove, NULL, NULL);
1545 static void supplicant_destroy(void)
1547 if (g_slist_length(driver_list) > 0)
1550 DBG("connection %p", connection);
1553 g_dbus_remove_watch(connection, watch);
1555 dbus_bus_remove_match(connection, supplicant_rule, NULL);
1556 dbus_connection_flush(connection);
1558 dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1560 dbus_connection_unref(connection);
1564 int supplicant_register(struct supplicant_driver *driver)
1568 DBG("driver %p name %s", driver, driver->name);
1570 err = supplicant_create();
1574 driver_list = g_slist_append(driver_list, driver);
1576 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1577 supplicant_probe(connection, NULL);
1579 supplicant_activate(connection);
1584 void supplicant_unregister(struct supplicant_driver *driver)
1586 DBG("driver %p name %s", driver, driver->name);
1588 supplicant_remove(connection, NULL);
1590 driver_list = g_slist_remove(driver_list, driver);
1592 supplicant_destroy();