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 frequency;
162 dbus_int32_t quality;
165 dbus_int32_t maxrate;
168 struct supplicant_task {
171 struct connman_device *device;
172 struct connman_network *network;
176 enum supplicant_state state;
178 GSList *scan_results;
181 static GSList *task_list = NULL;
183 static DBusConnection *connection;
185 static void free_task(struct supplicant_task *task)
187 DBG("task %p", task);
189 g_free(task->ifname);
194 static struct supplicant_task *find_task_by_index(int index)
198 for (list = task_list; list; list = list->next) {
199 struct supplicant_task *task = list->data;
201 if (task->ifindex == index)
208 static struct supplicant_task *find_task_by_path(const char *path)
212 for (list = task_list; list; list = list->next) {
213 struct supplicant_task *task = list->data;
215 if (g_str_equal(task->path, path) == TRUE)
222 static void add_interface_reply(DBusPendingCall *call, void *user_data)
224 struct supplicant_task *task = user_data;
229 DBG("task %p", task);
231 reply = dbus_pending_call_steal_reply(call);
235 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
238 dbus_error_init(&error);
240 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
241 DBUS_TYPE_INVALID) == FALSE) {
242 if (dbus_error_is_set(&error) == TRUE) {
243 connman_error("%s", error.message);
244 dbus_error_free(&error);
246 connman_error("Wrong arguments for add interface");
250 DBG("path %s", path);
252 task->path = g_strdup(path);
253 task->created = TRUE;
255 connman_device_set_powered(task->device, TRUE);
258 dbus_message_unref(reply);
261 static int add_interface(struct supplicant_task *task)
263 const char *driver = "wext";
264 DBusMessage *message;
265 DBusMessageIter array, dict;
266 DBusPendingCall *call;
268 DBG("task %p", task);
270 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
271 SUPPLICANT_INTF, "addInterface");
275 dbus_message_iter_init_append(message, &array);
277 dbus_message_iter_append_basic(&array,
278 DBUS_TYPE_STRING, &task->ifname);
280 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
281 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
282 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
283 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
285 connman_dbus_dict_append_variant(&dict, "driver",
286 DBUS_TYPE_STRING, &driver);
288 dbus_message_iter_close_container(&array, &dict);
290 if (dbus_connection_send_with_reply(connection, message,
291 &call, TIMEOUT) == FALSE) {
292 connman_error("Failed to add interface");
293 dbus_message_unref(message);
298 connman_error("D-Bus connection not available");
299 dbus_message_unref(message);
303 dbus_pending_call_set_notify(call, add_interface_reply, task, NULL);
305 dbus_message_unref(message);
310 static void get_interface_reply(DBusPendingCall *call, void *user_data)
312 struct supplicant_task *task = user_data;
317 DBG("task %p", task);
319 reply = dbus_pending_call_steal_reply(call);
323 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
328 dbus_error_init(&error);
330 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
331 DBUS_TYPE_INVALID) == FALSE) {
332 if (dbus_error_is_set(&error) == TRUE) {
333 connman_error("%s", error.message);
334 dbus_error_free(&error);
336 connman_error("Wrong arguments for get interface");
340 DBG("path %s", path);
342 task->path = g_strdup(path);
343 task->created = FALSE;
345 connman_device_set_powered(task->device, TRUE);
348 dbus_message_unref(reply);
351 static int create_interface(struct supplicant_task *task)
353 DBusMessage *message;
354 DBusPendingCall *call;
356 DBG("task %p", task);
358 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
359 SUPPLICANT_INTF, "getInterface");
363 dbus_message_append_args(message, DBUS_TYPE_STRING, &task->ifname,
366 if (dbus_connection_send_with_reply(connection, message,
367 &call, TIMEOUT) == FALSE) {
368 connman_error("Failed to get interface");
369 dbus_message_unref(message);
374 connman_error("D-Bus connection not available");
375 dbus_message_unref(message);
379 dbus_pending_call_set_notify(call, get_interface_reply, task, NULL);
381 dbus_message_unref(message);
386 static void remove_interface_reply(DBusPendingCall *call, void *user_data)
388 struct supplicant_task *task = user_data;
391 DBG("task %p", task);
393 reply = dbus_pending_call_steal_reply(call);
395 connman_device_set_powered(task->device, FALSE);
397 connman_device_unref(task->device);
399 inet_ifdown(task->ifindex);
403 dbus_message_unref(reply);
406 static int remove_interface(struct supplicant_task *task)
408 DBusMessage *message;
409 DBusPendingCall *call;
411 DBG("task %p", task);
413 if (task->created == FALSE) {
414 connman_device_set_powered(task->device, FALSE);
418 message = dbus_message_new_method_call(SUPPLICANT_NAME, SUPPLICANT_PATH,
419 SUPPLICANT_INTF, "removeInterface");
423 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->path,
426 if (dbus_connection_send_with_reply(connection, message,
427 &call, TIMEOUT) == FALSE) {
428 connman_error("Failed to remove interface");
429 dbus_message_unref(message);
434 connman_error("D-Bus connection not available");
435 dbus_message_unref(message);
439 dbus_pending_call_set_notify(call, remove_interface_reply, task, NULL);
441 dbus_message_unref(message);
447 static int set_ap_scan(struct supplicant_task *task)
449 DBusMessage *message, *reply;
453 DBG("task %p", task);
455 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
456 SUPPLICANT_INTF ".Interface", "setAPScan");
460 dbus_message_append_args(message, DBUS_TYPE_UINT32, &ap_scan,
463 dbus_error_init(&error);
465 reply = dbus_connection_send_with_reply_and_block(connection,
466 message, -1, &error);
468 if (dbus_error_is_set(&error) == TRUE) {
469 connman_error("%s", error.message);
470 dbus_error_free(&error);
472 connman_error("Failed to set AP scan");
473 dbus_message_unref(message);
477 dbus_message_unref(message);
479 dbus_message_unref(reply);
485 static int add_network(struct supplicant_task *task)
487 DBusMessage *message, *reply;
491 DBG("task %p", task);
493 if (task->netpath != NULL)
496 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
497 SUPPLICANT_INTF ".Interface", "addNetwork");
501 dbus_error_init(&error);
503 reply = dbus_connection_send_with_reply_and_block(connection,
504 message, -1, &error);
506 if (dbus_error_is_set(&error) == TRUE) {
507 connman_error("%s", error.message);
508 dbus_error_free(&error);
510 connman_error("Failed to add network");
511 dbus_message_unref(message);
515 dbus_message_unref(message);
517 dbus_error_init(&error);
519 if (dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path,
520 DBUS_TYPE_INVALID) == FALSE) {
521 if (dbus_error_is_set(&error) == TRUE) {
522 connman_error("%s", error.message);
523 dbus_error_free(&error);
525 connman_error("Wrong arguments for network");
526 dbus_message_unref(reply);
530 DBG("path %s", path);
532 task->netpath = g_strdup(path);
534 dbus_message_unref(reply);
539 static int remove_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", "removeNetwork");
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 remove network");
567 dbus_message_unref(message);
571 dbus_message_unref(message);
573 dbus_message_unref(reply);
575 g_free(task->netpath);
576 task->netpath = NULL;
581 static int select_network(struct supplicant_task *task)
583 DBusMessage *message, *reply;
586 DBG("task %p", task);
588 if (task->netpath == NULL)
591 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
592 SUPPLICANT_INTF ".Interface", "selectNetwork");
596 dbus_message_append_args(message, DBUS_TYPE_OBJECT_PATH, &task->netpath,
599 dbus_error_init(&error);
601 reply = dbus_connection_send_with_reply_and_block(connection,
602 message, -1, &error);
604 if (dbus_error_is_set(&error) == TRUE) {
605 connman_error("%s", error.message);
606 dbus_error_free(&error);
608 connman_error("Failed to select network");
609 dbus_message_unref(message);
613 dbus_message_unref(message);
615 dbus_message_unref(reply);
620 static int enable_network(struct supplicant_task *task)
622 DBusMessage *message, *reply;
625 DBG("task %p", task);
627 if (task->netpath == NULL)
630 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
631 SUPPLICANT_INTF ".Network", "enable");
635 dbus_error_init(&error);
637 reply = dbus_connection_send_with_reply_and_block(connection,
638 message, -1, &error);
640 if (dbus_error_is_set(&error) == TRUE) {
641 connman_error("%s", error.message);
642 dbus_error_free(&error);
644 connman_error("Failed to enable network");
645 dbus_message_unref(message);
649 dbus_message_unref(message);
651 dbus_message_unref(reply);
656 static int disable_network(struct supplicant_task *task)
658 DBusMessage *message, *reply;
661 DBG("task %p", task);
663 if (task->netpath == NULL)
666 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
667 SUPPLICANT_INTF ".Network", "disable");
671 dbus_error_init(&error);
673 reply = dbus_connection_send_with_reply_and_block(connection,
674 message, -1, &error);
676 if (dbus_error_is_set(&error) == TRUE) {
677 connman_error("%s", error.message);
678 dbus_error_free(&error);
680 connman_error("Failed to disable network");
681 dbus_message_unref(message);
685 dbus_message_unref(message);
687 dbus_message_unref(reply);
692 static int set_network(struct supplicant_task *task,
693 const unsigned char *network, int len,
694 const char *address, const char *security,
695 const char *passphrase)
697 DBusMessage *message, *reply;
698 DBusMessageIter array, dict;
701 DBG("task %p", task);
703 if (task->netpath == NULL)
706 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->netpath,
707 SUPPLICANT_INTF ".Network", "set");
711 dbus_message_iter_init_append(message, &array);
713 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
714 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
715 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
716 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
718 if (address == NULL) {
719 dbus_uint32_t scan_ssid = 1;
720 connman_dbus_dict_append_variant(&dict, "scan_ssid",
721 DBUS_TYPE_UINT32, &scan_ssid);
723 connman_dbus_dict_append_variant(&dict, "bssid",
724 DBUS_TYPE_STRING, &address);
726 connman_dbus_dict_append_array(&dict, "ssid",
727 DBUS_TYPE_BYTE, &network, len);
729 if (g_ascii_strcasecmp(security, "wpa") == 0 ||
730 g_ascii_strcasecmp(security, "rsn") == 0) {
731 const char *key_mgmt = "WPA-PSK";
732 connman_dbus_dict_append_variant(&dict, "key_mgmt",
733 DBUS_TYPE_STRING, &key_mgmt);
735 if (passphrase && strlen(passphrase) > 0)
736 connman_dbus_dict_append_variant(&dict, "psk",
737 DBUS_TYPE_STRING, &passphrase);
738 } else if (g_ascii_strcasecmp(security, "wep") == 0) {
739 const char *key_mgmt = "NONE", *index = "0";
740 connman_dbus_dict_append_variant(&dict, "key_mgmt",
741 DBUS_TYPE_STRING, &key_mgmt);
744 int size = strlen(passphrase);
745 if (size == 10 || size == 26) {
746 unsigned char *key = malloc(13);
749 memset(tmp, 0, sizeof(tmp));
752 for (i = 0; i < size / 2; i++) {
753 memcpy(tmp, passphrase + (i * 2), 2);
754 key[i] = (unsigned char) strtol(tmp,
757 connman_dbus_dict_append_array(&dict,
758 "wep_key0", DBUS_TYPE_BYTE,
762 connman_dbus_dict_append_variant(&dict,
763 "wep_key0", DBUS_TYPE_STRING,
765 connman_dbus_dict_append_variant(&dict, "wep_tx_keyidx",
766 DBUS_TYPE_STRING, &index);
769 const char *key_mgmt = "NONE";
770 connman_dbus_dict_append_variant(&dict, "key_mgmt",
771 DBUS_TYPE_STRING, &key_mgmt);
774 dbus_message_iter_close_container(&array, &dict);
776 dbus_error_init(&error);
778 reply = dbus_connection_send_with_reply_and_block(connection,
779 message, -1, &error);
781 if (dbus_error_is_set(&error) == TRUE) {
782 connman_error("%s", error.message);
783 dbus_error_free(&error);
785 connman_error("Failed to set network options");
786 dbus_message_unref(message);
790 dbus_message_unref(message);
792 dbus_message_unref(reply);
797 static int initiate_scan(struct supplicant_task *task)
799 DBusMessage *message;
800 DBusPendingCall *call;
802 DBG("task %p", task);
804 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
805 SUPPLICANT_INTF ".Interface", "scan");
809 if (dbus_connection_send_with_reply(connection, message,
810 &call, TIMEOUT) == FALSE) {
811 connman_error("Failed to initiate scan");
812 dbus_message_unref(message);
816 dbus_message_unref(message);
825 { "<hidden>", "hidden" },
826 { "default", "linksys" },
834 { "comcomcom", "3com" },
836 { "Symbol", "symbol" },
837 { "Wireless" , "wireless" },
842 static char *build_group(const char *addr, const char *name,
843 const unsigned char *ssid, unsigned int ssid_len,
844 const char *mode, const char *security)
852 str = g_string_sized_new((ssid_len * 2) + 24);
856 for (i = 0; special_ssid[i].name; i++) {
857 if (g_strcmp0(special_ssid[i].name, name) == 0) {
858 if (special_ssid[i].value == NULL)
859 g_string_append_printf(str, "%s_%s",
862 g_string_append_printf(str, "%s_%s",
863 special_ssid[i].value, addr);
868 if (ssid_len > 0 && ssid[0] != '\0') {
869 for (i = 0; i < ssid_len; i++)
870 g_string_append_printf(str, "%02x", ssid[i]);
872 g_string_append_printf(str, "hidden_%s", addr);
875 g_string_append_printf(str, "_%s_%s", mode, security);
877 return g_string_free(str, FALSE);
880 static void extract_addr(DBusMessageIter *value,
881 struct supplicant_result *result)
883 DBusMessageIter array;
884 struct ether_addr *eth;
888 dbus_message_iter_recurse(value, &array);
889 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
896 result->addr = g_try_malloc0(18);
897 if (result->addr == NULL)
900 snprintf(result->addr, 18, "%02X:%02X:%02X:%02X:%02X:%02X",
901 eth->ether_addr_octet[0],
902 eth->ether_addr_octet[1],
903 eth->ether_addr_octet[2],
904 eth->ether_addr_octet[3],
905 eth->ether_addr_octet[4],
906 eth->ether_addr_octet[5]);
908 result->path = g_try_malloc0(18);
909 if (result->path == NULL)
912 snprintf(result->path, 18, "%02x%02x%02x%02x%02x%02x",
913 eth->ether_addr_octet[0],
914 eth->ether_addr_octet[1],
915 eth->ether_addr_octet[2],
916 eth->ether_addr_octet[3],
917 eth->ether_addr_octet[4],
918 eth->ether_addr_octet[5]);
921 static void extract_ssid(DBusMessageIter *value,
922 struct supplicant_result *result)
924 DBusMessageIter array;
928 dbus_message_iter_recurse(value, &array);
929 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
934 result->ssid = g_try_malloc(ssid_len);
935 if (result->ssid == NULL)
938 memcpy(result->ssid, ssid, ssid_len);
939 result->ssid_len = ssid_len;
941 result->name = g_try_malloc0(ssid_len + 1);
942 if (result->name == NULL)
945 memcpy(result->name, ssid, ssid_len);
948 static void extract_wpaie(DBusMessageIter *value,
949 struct supplicant_result *result)
951 DBusMessageIter array;
955 dbus_message_iter_recurse(value, &array);
956 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
959 result->has_wpa = TRUE;
962 static void extract_rsnie(DBusMessageIter *value,
963 struct supplicant_result *result)
965 DBusMessageIter array;
969 dbus_message_iter_recurse(value, &array);
970 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
973 result->has_rsn = TRUE;
976 static void extract_wpsie(DBusMessageIter *value,
977 struct supplicant_result *result)
979 DBusMessageIter array;
983 dbus_message_iter_recurse(value, &array);
984 dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
987 result->has_wps = TRUE;
990 static void extract_capabilites(DBusMessageIter *value,
991 struct supplicant_result *result)
993 dbus_message_iter_get_basic(value, &result->capabilities);
995 if (result->capabilities & IEEE80211_CAP_ESS)
996 result->adhoc = FALSE;
997 else if (result->capabilities & IEEE80211_CAP_IBSS)
998 result->adhoc = TRUE;
1000 if (result->capabilities & IEEE80211_CAP_PRIVACY)
1001 result->has_wep = TRUE;
1004 static unsigned char calculate_strength(struct supplicant_result *result)
1006 if (result->quality < 0) {
1007 unsigned char strength;
1009 if (result->level > 0)
1010 strength = 100 - result->level;
1012 strength = 120 + result->level;
1020 return result->quality;
1023 static unsigned short calculate_channel(struct supplicant_result *result)
1025 if (result->frequency < 0)
1028 return (result->frequency - 2407) / 5;
1031 static void get_properties(struct supplicant_task *task);
1033 static void properties_reply(DBusPendingCall *call, void *user_data)
1035 struct supplicant_task *task = user_data;
1036 struct supplicant_result result;
1037 struct connman_network *network;
1039 DBusMessageIter array, dict;
1040 unsigned char strength;
1041 unsigned short channel, frequency;
1042 const char *mode, *security;
1045 DBG("task %p", task);
1047 reply = dbus_pending_call_steal_reply(call);
1048 if (reply == NULL) {
1049 get_properties(task);
1053 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
1054 dbus_message_unref(reply);
1055 get_properties(task);
1059 memset(&result, 0, sizeof(result));
1060 result.frequency = -1;
1061 result.quality = -1;
1065 dbus_message_iter_init(reply, &array);
1067 dbus_message_iter_recurse(&array, &dict);
1069 while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1070 DBusMessageIter entry, value;
1073 dbus_message_iter_recurse(&dict, &entry);
1074 dbus_message_iter_get_basic(&entry, &key);
1076 dbus_message_iter_next(&entry);
1078 dbus_message_iter_recurse(&entry, &value);
1080 //type = dbus_message_iter_get_arg_type(&value);
1081 //dbus_message_iter_get_basic(&value, &val);
1089 * frequency : i (105)
1090 * capabilities : q (113)
1097 if (g_str_equal(key, "bssid") == TRUE)
1098 extract_addr(&value, &result);
1099 else if (g_str_equal(key, "ssid") == TRUE)
1100 extract_ssid(&value, &result);
1101 else if (g_str_equal(key, "wpaie") == TRUE)
1102 extract_wpaie(&value, &result);
1103 else if (g_str_equal(key, "rsnie") == TRUE)
1104 extract_rsnie(&value, &result);
1105 else if (g_str_equal(key, "wpsie") == TRUE)
1106 extract_wpsie(&value, &result);
1107 else if (g_str_equal(key, "capabilities") == TRUE)
1108 extract_capabilites(&value, &result);
1109 else if (g_str_equal(key, "frequency") == TRUE)
1110 dbus_message_iter_get_basic(&value, &result.frequency);
1111 else if (g_str_equal(key, "quality") == TRUE)
1112 dbus_message_iter_get_basic(&value, &result.quality);
1113 else if (g_str_equal(key, "noise") == TRUE)
1114 dbus_message_iter_get_basic(&value, &result.noise);
1115 else if (g_str_equal(key, "level") == TRUE)
1116 dbus_message_iter_get_basic(&value, &result.level);
1117 else if (g_str_equal(key, "maxrate") == TRUE)
1118 dbus_message_iter_get_basic(&value, &result.maxrate);
1120 dbus_message_iter_next(&dict);
1123 if (result.path == NULL)
1126 if (result.path[0] == '\0')
1129 if (result.frequency > 0 && result.frequency < 14)
1130 result.frequency = 2407 + (5 * result.frequency);
1131 else if (result.frequency == 14)
1132 result.frequency = 2484;
1134 strength = calculate_strength(&result);
1135 channel = calculate_channel(&result);
1137 frequency = (result.frequency < 0) ? 0 : result.frequency;
1139 if (result.has_rsn == TRUE)
1141 else if (result.has_wpa == TRUE)
1143 else if (result.has_wep == TRUE)
1148 mode = (result.adhoc == TRUE) ? "adhoc" : "managed";
1150 group = build_group(result.path, result.name,
1151 result.ssid, result.ssid_len,
1154 network = connman_device_get_network(task->device, result.path);
1155 if (network == NULL) {
1158 network = connman_network_create(result.path,
1159 CONNMAN_NETWORK_TYPE_WIFI);
1160 if (network == NULL)
1163 index = connman_device_get_index(task->device);
1164 connman_network_set_index(network, index);
1166 connman_network_set_protocol(network,
1167 CONNMAN_NETWORK_PROTOCOL_IP);
1169 connman_network_set_string(network, "Address", result.addr);
1171 if (connman_device_add_network(task->device, network) < 0) {
1172 connman_network_unref(network);
1177 if (result.name != NULL && result.name[0] != '\0')
1178 connman_network_set_string(network, "Name", result.name);
1180 connman_network_set_blob(network, "WiFi.SSID",
1181 result.ssid, result.ssid_len);
1183 connman_network_set_string(network, "WiFi.Mode", mode);
1185 DBG("%s (%s %s) strength %d (%s)",
1186 result.name, mode, security, strength,
1187 (result.has_wps == TRUE) ? "WPS" : "no WPS");
1189 connman_network_set_available(network, TRUE);
1190 connman_network_set_uint8(network, "Strength", strength);
1191 connman_network_set_uint16(network, "Frequency", frequency);
1193 connman_network_set_uint16(network, "WiFi.Channel", channel);
1194 connman_network_set_string(network, "WiFi.Security", security);
1196 connman_network_set_group(network, group);
1201 g_free(result.path);
1202 g_free(result.addr);
1203 g_free(result.name);
1204 g_free(result.ssid);
1206 dbus_message_unref(reply);
1208 get_properties(task);
1211 static void get_properties(struct supplicant_task *task)
1213 DBusMessage *message;
1214 DBusPendingCall *call;
1217 path = g_slist_nth_data(task->scan_results, 0);
1221 message = dbus_message_new_method_call(SUPPLICANT_NAME, path,
1222 SUPPLICANT_INTF ".BSSID",
1225 task->scan_results = g_slist_remove(task->scan_results, path);
1228 if (message == NULL)
1231 if (dbus_connection_send_with_reply(connection, message,
1232 &call, TIMEOUT) == FALSE) {
1233 connman_error("Failed to get network properties");
1234 dbus_message_unref(message);
1239 connman_error("D-Bus connection not available");
1240 dbus_message_unref(message);
1244 dbus_pending_call_set_notify(call, properties_reply, task, NULL);
1246 dbus_message_unref(message);
1251 if (task->noscan == FALSE)
1252 connman_device_set_scanning(task->device, FALSE);
1255 static void scan_results_reply(DBusPendingCall *call, void *user_data)
1257 struct supplicant_task *task = user_data;
1263 DBG("task %p", task);
1265 reply = dbus_pending_call_steal_reply(call);
1269 if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
1272 dbus_error_init(&error);
1274 if (dbus_message_get_args(reply, &error,
1275 DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH,
1276 &results, &num_results,
1277 DBUS_TYPE_INVALID) == FALSE) {
1278 if (dbus_error_is_set(&error) == TRUE) {
1279 connman_error("%s", error.message);
1280 dbus_error_free(&error);
1282 connman_error("Wrong arguments for scan result");
1286 if (num_results == 0)
1289 for (i = 0; i < num_results; i++) {
1290 char *path = g_strdup(results[i]);
1294 task->scan_results = g_slist_append(task->scan_results, path);
1297 g_strfreev(results);
1299 dbus_message_unref(reply);
1301 get_properties(task);
1306 dbus_message_unref(reply);
1309 if (task->noscan == FALSE)
1310 connman_device_set_scanning(task->device, FALSE);
1313 static void scan_results_available(struct supplicant_task *task)
1315 DBusMessage *message;
1316 DBusPendingCall *call;
1318 DBG("task %p", task);
1320 message = dbus_message_new_method_call(SUPPLICANT_NAME, task->path,
1321 SUPPLICANT_INTF ".Interface",
1323 if (message == NULL)
1326 if (dbus_connection_send_with_reply(connection, message,
1327 &call, TIMEOUT) == FALSE) {
1328 connman_error("Failed to request scan result");
1332 if (task->noscan == FALSE)
1333 connman_device_set_scanning(task->device, TRUE);
1336 connman_error("D-Bus connection not available");
1340 dbus_pending_call_set_notify(call, scan_results_reply, task, NULL);
1343 dbus_message_unref(message);
1346 static enum supplicant_state string2state(const char *state)
1348 if (g_str_equal(state, "INACTIVE") == TRUE)
1349 return WPA_INACTIVE;
1350 else if (g_str_equal(state, "SCANNING") == TRUE)
1351 return WPA_SCANNING;
1352 else if (g_str_equal(state, "ASSOCIATING") == TRUE)
1353 return WPA_ASSOCIATING;
1354 else if (g_str_equal(state, "ASSOCIATED") == TRUE)
1355 return WPA_ASSOCIATED;
1356 else if (g_str_equal(state, "GROUP_HANDSHAKE") == TRUE)
1357 return WPA_GROUP_HANDSHAKE;
1358 else if (g_str_equal(state, "4WAY_HANDSHAKE") == TRUE)
1359 return WPA_4WAY_HANDSHAKE;
1360 else if (g_str_equal(state, "COMPLETED") == TRUE)
1361 return WPA_COMPLETED;
1362 else if (g_str_equal(state, "DISCONNECTED") == TRUE)
1363 return WPA_DISCONNECTED;
1368 static void state_change(struct supplicant_task *task, DBusMessage *msg)
1371 const char *newstate, *oldstate;
1372 enum supplicant_state state;
1374 dbus_error_init(&error);
1376 if (dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &newstate,
1377 DBUS_TYPE_STRING, &oldstate,
1378 DBUS_TYPE_INVALID) == FALSE) {
1379 if (dbus_error_is_set(&error) == TRUE) {
1380 connman_error("%s", error.message);
1381 dbus_error_free(&error);
1383 connman_error("Wrong arguments for state change");
1387 DBG("state %s ==> %s", oldstate, newstate);
1389 state = string2state(newstate);
1390 if (state == WPA_INVALID)
1393 task->state = state;
1395 switch (task->state) {
1397 task->noscan = TRUE;
1398 connman_device_set_scanning(task->device, TRUE);
1400 case WPA_ASSOCIATING:
1401 case WPA_ASSOCIATED:
1402 case WPA_4WAY_HANDSHAKE:
1403 case WPA_GROUP_HANDSHAKE:
1404 task->noscan = TRUE;
1407 case WPA_DISCONNECTED:
1408 task->noscan = FALSE;
1411 task->noscan = FALSE;
1412 connman_device_set_scanning(task->device, FALSE);
1418 if (task->network == NULL)
1421 switch (task->state) {
1424 connman_network_set_connected(task->network, TRUE);
1425 connman_device_set_scanning(task->device, FALSE);
1427 case WPA_DISCONNECTED:
1429 connman_network_set_connected(task->network, FALSE);
1430 connman_device_set_scanning(task->device, FALSE);
1432 case WPA_ASSOCIATING:
1433 connman_network_set_associating(task->network, TRUE);
1436 connman_network_set_associating(task->network, FALSE);
1441 static DBusHandlerResult supplicant_filter(DBusConnection *conn,
1442 DBusMessage *msg, void *data)
1444 struct supplicant_task *task;
1445 const char *member, *path;
1447 if (dbus_message_has_interface(msg,
1448 SUPPLICANT_INTF ".Interface") == FALSE)
1449 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1451 member = dbus_message_get_member(msg);
1453 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1455 path = dbus_message_get_path(msg);
1457 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1459 task = find_task_by_path(path);
1461 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1463 DBG("task %p member %s", task, member);
1465 if (g_str_equal(member, "ScanResultsAvailable") == TRUE)
1466 scan_results_available(task);
1467 else if (g_str_equal(member, "StateChange") == TRUE)
1468 state_change(task, msg);
1470 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1473 int supplicant_start(struct connman_device *device)
1475 struct supplicant_task *task;
1477 DBG("device %p", device);
1479 task = g_try_new0(struct supplicant_task, 1);
1483 task->ifindex = connman_device_get_index(device);
1484 task->ifname = inet_index2name(task->ifindex);
1486 if (task->ifname == NULL) {
1491 task->device = connman_device_ref(device);
1493 task->created = FALSE;
1494 task->noscan = FALSE;
1495 task->state = WPA_INVALID;
1497 task_list = g_slist_append(task_list, task);
1499 return create_interface(task);
1502 int supplicant_stop(struct connman_device *device)
1504 int index = connman_device_get_index(device);
1505 struct supplicant_task *task;
1507 DBG("device %p", device);
1509 task = find_task_by_index(index);
1513 task_list = g_slist_remove(task_list, task);
1515 disable_network(task);
1517 remove_network(task);
1519 return remove_interface(task);
1522 int supplicant_scan(struct connman_device *device)
1524 int index = connman_device_get_index(device);
1525 struct supplicant_task *task;
1528 DBG("device %p", device);
1530 task = find_task_by_index(index);
1534 switch (task->state) {
1537 case WPA_ASSOCIATING:
1538 case WPA_ASSOCIATED:
1539 case WPA_4WAY_HANDSHAKE:
1540 case WPA_GROUP_HANDSHAKE:
1546 err = initiate_scan(task);
1551 int supplicant_connect(struct connman_network *network)
1553 struct supplicant_task *task;
1554 const char *address, *security, *passphrase;
1556 unsigned int ssid_len;
1559 DBG("network %p", network);
1561 address = connman_network_get_string(network, "Address");
1562 security = connman_network_get_string(network, "WiFi.Security");
1563 passphrase = connman_network_get_string(network, "WiFi.Passphrase");
1565 ssid = connman_network_get_blob(network, "WiFi.SSID", &ssid_len);
1567 DBG("address %s security %s passphrase %s",
1568 address, security, passphrase);
1570 if (security == NULL && passphrase == NULL)
1573 if (g_str_equal(security, "none") == FALSE && passphrase == NULL)
1576 index = connman_network_get_index(network);
1578 task = find_task_by_index(index);
1582 task->network = connman_network_ref(network);
1586 select_network(task);
1587 disable_network(task);
1589 set_network(task, ssid, ssid_len, address, security, passphrase);
1591 enable_network(task);
1593 connman_network_set_associating(task->network, TRUE);
1598 int supplicant_disconnect(struct connman_network *network)
1600 struct supplicant_task *task;
1603 DBG("network %p", network);
1605 index = connman_network_get_index(network);
1607 task = find_task_by_index(index);
1611 disable_network(task);
1613 remove_network(task);
1615 connman_network_set_connected(task->network, FALSE);
1617 connman_network_unref(task->network);
1622 static void supplicant_activate(DBusConnection *conn)
1624 DBusMessage *message;
1626 DBG("conn %p", conn);
1628 message = dbus_message_new_method_call(SUPPLICANT_NAME, "/",
1629 DBUS_INTERFACE_INTROSPECTABLE, "Introspect");
1630 if (message == NULL)
1633 dbus_message_set_no_reply(message, TRUE);
1635 dbus_connection_send(conn, message, NULL);
1637 dbus_message_unref(message);
1640 static GSList *driver_list = NULL;
1642 static void supplicant_probe(DBusConnection *conn, void *user_data)
1646 DBG("conn %p", conn);
1648 for (list = driver_list; list; list = list->next) {
1649 struct supplicant_driver *driver = list->data;
1651 DBG("driver %p name %s", driver, driver->name);
1658 static void supplicant_remove(DBusConnection *conn, void *user_data)
1662 DBG("conn %p", conn);
1664 for (list = driver_list; list; list = list->next) {
1665 struct supplicant_driver *driver = list->data;
1667 DBG("driver %p name %s", driver, driver->name);
1674 static const char *supplicant_rule = "type=signal,"
1675 "interface=" SUPPLICANT_INTF ".Interface";
1678 static int supplicant_create(void)
1680 if (g_slist_length(driver_list) > 0)
1683 connection = connman_dbus_get_connection();
1684 if (connection == NULL)
1687 DBG("connection %p", connection);
1689 if (dbus_connection_add_filter(connection,
1690 supplicant_filter, NULL, NULL) == FALSE) {
1691 connection = connman_dbus_get_connection();
1695 dbus_bus_add_match(connection, supplicant_rule, NULL);
1696 dbus_connection_flush(connection);
1698 watch = g_dbus_add_service_watch(connection, SUPPLICANT_NAME,
1699 supplicant_probe, supplicant_remove, NULL, NULL);
1704 static void supplicant_destroy(void)
1706 if (g_slist_length(driver_list) > 0)
1709 DBG("connection %p", connection);
1712 g_dbus_remove_watch(connection, watch);
1714 dbus_bus_remove_match(connection, supplicant_rule, NULL);
1715 dbus_connection_flush(connection);
1717 dbus_connection_remove_filter(connection, supplicant_filter, NULL);
1719 dbus_connection_unref(connection);
1723 int supplicant_register(struct supplicant_driver *driver)
1727 DBG("driver %p name %s", driver, driver->name);
1729 err = supplicant_create();
1733 driver_list = g_slist_append(driver_list, driver);
1735 if (g_dbus_check_service(connection, SUPPLICANT_NAME) == TRUE)
1736 supplicant_probe(connection, NULL);
1738 supplicant_activate(connection);
1743 void supplicant_unregister(struct supplicant_driver *driver)
1745 DBG("driver %p name %s", driver, driver->name);
1747 supplicant_remove(connection, NULL);
1749 driver_list = g_slist_remove(driver_list, driver);
1751 supplicant_destroy();