*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
+#include <unistd.h>
+#include <stdlib.h>
#include <errno.h>
-#include <net/if.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <net/ethernet.h>
#ifndef IFF_LOWER_UP
#define IFF_LOWER_UP 0x10000
#define CONNMAN_API_SUBJECT_TO_CHANGE
#include <connman/plugin.h>
+#include <connman/inet.h>
#include <connman/device.h>
#include <connman/rtnl.h>
+#include <connman/technology.h>
#include <connman/log.h>
+#include <connman/option.h>
+#include <connman/storage.h>
+#include <include/setting.h>
-#include "supplicant.h"
+#include <gsupplicant/gsupplicant.h>
#define CLEANUP_TIMEOUT 8 /* in seconds */
#define INACTIVE_TIMEOUT 12 /* in seconds */
+#define MAXIMUM_RETRIES 4
+
+#define BGSCAN_DEFAULT "simple:30:-45:300"
+#define AUTOSCAN_DEFAULT "exponential:3:300"
+
+static struct connman_technology *wifi_technology = NULL;
+
+struct hidden_params {
+ char ssid[32];
+ unsigned int ssid_len;
+ char *identity;
+ char *passphrase;
+ gpointer user_data;
+};
+
+/**
+ * Used for autoscan "emulation".
+ * Should be removed when wpa_s autoscan support will be by default.
+ */
+struct autoscan_params {
+ int base;
+ int limit;
+ int interval;
+ unsigned int timeout;
+};
struct wifi_data {
char *identifier;
+ struct connman_device *device;
+ struct connman_network *network;
+ struct connman_network *pending_network;
+ GSList *networks;
+ GSupplicantInterface *interface;
+ GSupplicantState state;
connman_bool_t connected;
+ connman_bool_t disconnecting;
+ connman_bool_t tethering;
+ connman_bool_t bridged;
+ const char *bridge;
int index;
unsigned flags;
unsigned int watch;
+ int retries;
+ struct hidden_params *hidden;
+ /**
+ * autoscan "emulation".
+ */
+ struct autoscan_params *autoscan;
};
-static int network_probe(struct connman_network *network)
-{
- DBG("network %p", network);
+static GList *iface_list = NULL;
- return 0;
-}
+static void start_autoscan(struct connman_device *device);
-static void network_remove(struct connman_network *network)
+static void handle_tethering(struct wifi_data *wifi)
{
- DBG("network %p", network);
-}
+ if (wifi->tethering == FALSE)
+ return;
-static int network_connect(struct connman_network *network)
-{
- DBG("network %p", network);
+ if (wifi->bridge == NULL)
+ return;
- return supplicant_connect(network);
-}
+ if (wifi->bridged == TRUE)
+ return;
-static int network_disconnect(struct connman_network *network)
-{
- DBG("network %p", network);
+ DBG("index %d bridge %s", wifi->index, wifi->bridge);
- return supplicant_disconnect(network);
-}
+ if (connman_inet_add_to_bridge(wifi->index, wifi->bridge) < 0)
+ return;
-static struct connman_network_driver network_driver = {
- .name = "wifi",
- .type = CONNMAN_NETWORK_TYPE_WIFI,
- .probe = network_probe,
- .remove = network_remove,
- .connect = network_connect,
- .disconnect = network_disconnect,
-};
+ wifi->bridged = TRUE;
+}
static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
{
return;
if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
- if (flags & IFF_UP) {
+ if (flags & IFF_UP)
DBG("interface up");
- } else {
+ else
DBG("interface down");
- }
}
if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
if (flags & IFF_LOWER_UP) {
DBG("carrier on");
- } else {
+
+ handle_tethering(wifi);
+ } else
DBG("carrier off");
- }
}
wifi->flags = flags;
return -ENOMEM;
wifi->connected = FALSE;
+ wifi->disconnecting = FALSE;
+ wifi->tethering = FALSE;
+ wifi->bridged = FALSE;
+ wifi->bridge = NULL;
+ wifi->state = G_SUPPLICANT_STATE_INACTIVE;
connman_device_set_data(device, wifi);
+ wifi->device = connman_device_ref(device);
wifi->index = connman_device_get_index(device);
wifi->flags = 0;
wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
wifi_newlink, device);
+ iface_list = g_list_append(iface_list, wifi);
+
return 0;
}
+static void remove_networks(struct connman_device *device,
+ struct wifi_data *wifi)
+{
+ GSList *list;
+
+ for (list = wifi->networks; list != NULL; list = list->next) {
+ struct connman_network *network = list->data;
+
+ connman_device_remove_network(device, network);
+ connman_network_unref(network);
+ }
+
+ g_slist_free(wifi->networks);
+ wifi->networks = NULL;
+}
+
+static void reset_autoscan(struct connman_device *device)
+{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ struct autoscan_params *autoscan;
+
+ DBG("");
+
+ if (wifi == NULL || wifi->autoscan == NULL)
+ return;
+
+ autoscan = wifi->autoscan;
+
+ if (autoscan->timeout == 0 && autoscan->interval == 0)
+ return;
+
+ g_source_remove(autoscan->timeout);
+
+ autoscan->timeout = 0;
+ autoscan->interval = 0;
+
+ connman_device_unref(device);
+}
+
+static void stop_autoscan(struct connman_device *device)
+{
+ reset_autoscan(device);
+
+ connman_device_set_scanning(device, FALSE);
+}
+
static void wifi_remove(struct connman_device *device)
{
struct wifi_data *wifi = connman_device_get_data(device);
- DBG("device %p", device);
+ DBG("device %p wifi %p", device, wifi);
- connman_device_set_data(device, NULL);
+ if (wifi == NULL)
+ return;
+
+ iface_list = g_list_remove(iface_list, wifi);
+ remove_networks(device, wifi);
+
+ connman_device_set_powered(device, FALSE);
+ connman_device_set_data(device, NULL);
+ connman_device_unref(wifi->device);
connman_rtnl_remove_watch(wifi->watch);
+ g_supplicant_interface_set_data(wifi->interface, NULL);
+
+ g_free(wifi->autoscan);
g_free(wifi->identifier);
g_free(wifi);
}
-static int wifi_enable(struct connman_device *device)
+static int add_scan_param(gchar *hex_ssid, int freq,
+ GSupplicantScanParams *scan_data,
+ int driver_max_scan_ssids)
{
- DBG("device %p", device);
+ unsigned int i;
+ struct scan_ssid *scan_ssid;
+
+ if (driver_max_scan_ssids > scan_data->num_ssids && hex_ssid != NULL) {
+ gchar *ssid;
+ unsigned int j = 0, hex;
+ size_t hex_ssid_len = strlen(hex_ssid);
+
+ ssid = g_try_malloc0(hex_ssid_len / 2);
+ if (ssid == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < hex_ssid_len; i += 2) {
+ sscanf(hex_ssid + i, "%02x", &hex);
+ ssid[j++] = hex;
+ }
+
+ scan_ssid = g_try_new(struct scan_ssid, 1);
+ if (scan_ssid == NULL) {
+ g_free(ssid);
+ return -ENOMEM;
+ }
+
+ memcpy(scan_ssid->ssid, ssid, j);
+ scan_ssid->ssid_len = j;
+ scan_data->ssids = g_slist_prepend(scan_data->ssids,
+ scan_ssid);
+
+ scan_data->num_ssids++;
+
+ g_free(ssid);
+ } else
+ return -EINVAL;
+
+ scan_data->ssids = g_slist_reverse(scan_data->ssids);
+
+ if (scan_data->freqs == NULL) {
+ scan_data->freqs = g_try_malloc0(sizeof(uint16_t) *
+ scan_data->num_ssids);
+ if (scan_data->freqs == NULL) {
+ g_slist_free_full(scan_data->ssids, g_free);
+ return -ENOMEM;
+ }
+ } else {
+ scan_data->freqs = g_try_realloc(scan_data->freqs,
+ sizeof(uint16_t) * scan_data->num_ssids);
+ if (scan_data->freqs == NULL) {
+ g_slist_free_full(scan_data->ssids, g_free);
+ return -ENOMEM;
+ }
+ scan_data->freqs[scan_data->num_ssids - 1] = 0;
+ }
+
+ /* Don't add duplicate entries */
+ for (i = 0; i < scan_data->num_ssids; i++) {
+ if (scan_data->freqs[i] == 0) {
+ scan_data->freqs[i] = freq;
+ break;
+ } else if (scan_data->freqs[i] == freq)
+ break;
+ }
- return supplicant_start(device);
+ return 0;
}
-static int wifi_disable(struct connman_device *device)
+static int get_hidden_connections(int max_ssids,
+ GSupplicantScanParams *scan_data)
+{
+ GKeyFile *keyfile;
+ gchar **services;
+ char *ssid;
+ gchar *str;
+ int i, freq;
+ gboolean value;
+ int num_ssids = 0, add_param_failed = 0;
+
+ services = connman_storage_get_services();
+ for (i = 0; services && services[i]; i++) {
+ if (strncmp(services[i], "wifi_", 5) != 0)
+ continue;
+
+ keyfile = connman_storage_load_service(services[i]);
+
+ value = g_key_file_get_boolean(keyfile,
+ services[i], "Hidden", NULL);
+ if (value == FALSE) {
+ g_key_file_free(keyfile);
+ continue;
+ }
+
+ value = g_key_file_get_boolean(keyfile,
+ services[i], "Favorite", NULL);
+ if (value == FALSE) {
+ g_key_file_free(keyfile);
+ continue;
+ }
+
+ value = g_key_file_get_boolean(keyfile,
+ services[i], "AutoConnect", NULL);
+ if (value == FALSE) {
+ g_key_file_free(keyfile);
+ continue;
+ }
+
+ ssid = g_key_file_get_string(keyfile,
+ services[i], "SSID", NULL);
+
+ freq = g_key_file_get_integer(keyfile, services[i],
+ "Frequency", NULL);
+
+ if (add_scan_param(ssid, freq, scan_data, max_ssids) < 0) {
+ str = g_key_file_get_string(keyfile,
+ services[i], "Name", NULL);
+ DBG("Cannot scan %s (%s)", ssid, str);
+ g_free(str);
+ add_param_failed++;
+ }
+
+ num_ssids++;
+
+ g_key_file_free(keyfile);
+ }
+
+ if (add_param_failed > 0)
+ connman_warn("Unable to scan %d out of %d SSIDs (max is %d)",
+ add_param_failed, num_ssids, max_ssids);
+
+ g_strfreev(services);
+
+ return num_ssids > max_ssids ? max_ssids : num_ssids;
+}
+
+static int throw_wifi_scan(struct connman_device *device,
+ GSupplicantInterfaceCallback callback)
{
struct wifi_data *wifi = connman_device_get_data(device);
+ int ret;
- DBG("device %p", device);
+ DBG("device %p %p", device, wifi->interface);
- wifi->connected = FALSE;
+ if (wifi->tethering == TRUE)
+ return 0;
- return supplicant_stop(device);
+ if (connman_device_get_scanning(device) == TRUE)
+ return -EALREADY;
+
+ connman_device_ref(device);
+
+ ret = g_supplicant_interface_scan(wifi->interface, NULL,
+ callback, device);
+ if (ret == 0)
+ connman_device_set_scanning(device, TRUE);
+ else
+ connman_device_unref(device);
+
+ return ret;
}
-static int wifi_scan(struct connman_device *device)
+static void hidden_free(struct hidden_params *hidden)
{
- DBG("device %p", device);
+ if (hidden == NULL)
+ return;
- return supplicant_scan(device);
+ g_free(hidden->identity);
+ g_free(hidden->passphrase);
+ g_free(hidden);
}
-static struct connman_device_driver wifi_driver = {
- .name = "wifi",
- .type = CONNMAN_DEVICE_TYPE_WIFI,
- .probe = wifi_probe,
- .remove = wifi_remove,
- .enable = wifi_enable,
- .disable = wifi_disable,
- .scan = wifi_scan,
-};
+static void scan_callback(int result, GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct connman_device *device = user_data;
+ struct wifi_data *wifi = connman_device_get_data(device);
+
+ DBG("result %d", result);
+
+ if (wifi != NULL && wifi->hidden != NULL) {
+ connman_network_clear_hidden(wifi->hidden->user_data);
+ hidden_free(wifi->hidden);
+ wifi->hidden = NULL;
+ }
-static void wifi_register(void)
+ if (result < 0)
+ connman_device_reset_scanning(device);
+
+ connman_device_set_scanning(device, FALSE);
+ start_autoscan(device);
+ connman_device_unref(device);
+}
+
+static void scan_callback_hidden(int result,
+ GSupplicantInterface *interface, void *user_data)
{
- DBG("");
+ struct connman_device *device = user_data;
+ struct wifi_data *wifi = connman_device_get_data(device);
+ int driver_max_ssids;
- if (connman_device_driver_register(&wifi_driver) < 0)
- connman_error("Failed to register WiFi driver");
+ DBG("result %d", result);
+
+ /*
+ * Scan hidden networks so that we can autoconnect to them.
+ */
+ driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
+ wifi->interface);
+ DBG("max ssids %d", driver_max_ssids);
+
+ if (driver_max_ssids > 0) {
+ GSupplicantScanParams *scan_params;
+ int ret;
+
+ scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
+ if (scan_params == NULL)
+ goto out;
+
+ if (get_hidden_connections(driver_max_ssids,
+ scan_params) > 0) {
+ ret = g_supplicant_interface_scan(wifi->interface,
+ scan_params,
+ scan_callback,
+ device);
+ if (ret == 0)
+ return;
+ }
+
+ g_supplicant_free_scan_params(scan_params);
+ }
+
+out:
+ scan_callback(result, interface, user_data);
+}
+
+static gboolean autoscan_timeout(gpointer data)
+{
+ struct connman_device *device = data;
+ struct wifi_data *wifi = connman_device_get_data(device);
+ struct autoscan_params *autoscan;
+ int interval;
+
+ autoscan = wifi->autoscan;
+
+ if (autoscan->interval <= 0) {
+ interval = autoscan->base;
+ goto set_interval;
+ } else
+ interval = autoscan->interval * autoscan->base;
+
+ if (autoscan->interval >= autoscan->limit)
+ interval = autoscan->limit;
+
+ throw_wifi_scan(wifi->device, scan_callback_hidden);
+
+set_interval:
+ DBG("interval %d", interval);
+
+ autoscan->interval = interval;
+
+ autoscan->timeout = g_timeout_add_seconds(interval,
+ autoscan_timeout, device);
+
+ return FALSE;
}
-static void wifi_unregister(void)
+static void start_autoscan(struct connman_device *device)
{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ struct autoscan_params *autoscan;
+
DBG("");
- connman_device_driver_unregister(&wifi_driver);
+ if (wifi == NULL)
+ return;
+
+ autoscan = wifi->autoscan;
+ if (autoscan == NULL)
+ return;
+
+ if (autoscan->timeout > 0 || autoscan->interval > 0)
+ return;
+
+ connman_device_ref(device);
+
+ autoscan_timeout(device);
}
-static struct supplicant_driver supplicant = {
- .name = "wifi",
- .probe = wifi_register,
- .remove = wifi_unregister,
-};
+static struct autoscan_params *parse_autoscan_params(const char *params)
+{
+ struct autoscan_params *autoscan;
+ char **list_params;
+ int limit;
+ int base;
-static int wifi_init(void)
+ DBG("Emulating autoscan");
+
+ list_params = g_strsplit(params, ":", 0);
+ if (list_params == 0)
+ return NULL;
+
+ if (g_strv_length(list_params) < 3) {
+ g_strfreev(list_params);
+ return NULL;
+ }
+
+ base = atoi(list_params[1]);
+ limit = atoi(list_params[2]);
+
+ g_strfreev(list_params);
+
+ autoscan = g_try_malloc0(sizeof(struct autoscan_params));
+ if (autoscan == NULL) {
+ DBG("Could not allocate memory for autoscan");
+ return NULL;
+ }
+
+ DBG("base %d - limit %d", base, limit);
+ autoscan->base = base;
+ autoscan->limit = limit;
+
+ return autoscan;
+}
+
+static void setup_autoscan(struct wifi_data *wifi)
{
- int err;
+ if (wifi->autoscan == NULL)
+ wifi->autoscan = parse_autoscan_params(AUTOSCAN_DEFAULT);
- err = connman_network_driver_register(&network_driver);
- if (err < 0)
- return err;
+ start_autoscan(wifi->device);
+}
- err = supplicant_register(&supplicant);
- if (err < 0) {
- connman_network_driver_unregister(&network_driver);
- return err;
+static void interface_create_callback(int result,
+ GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct wifi_data *wifi = user_data;
+
+ DBG("result %d ifname %s, wifi %p", result,
+ g_supplicant_interface_get_ifname(interface),
+ wifi);
+
+ if (result < 0 || wifi == NULL)
+ return;
+
+ wifi->interface = interface;
+ g_supplicant_interface_set_data(interface, wifi);
+
+ if (g_supplicant_interface_get_ready(interface) == FALSE)
+ return;
+
+ DBG("interface is ready wifi %p tethering %d", wifi, wifi->tethering);
+
+ if (wifi->device == NULL) {
+ connman_error("WiFi device not set");
+ return;
+ }
+
+ connman_device_set_powered(wifi->device, TRUE);
+
+ if (connman_setting_get_bool("BackgroundScanning") == FALSE)
+ return;
+
+ /* Setting up automatic scanning */
+ setup_autoscan(wifi);
+}
+
+static int wifi_enable(struct connman_device *device)
+{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ const char *interface = connman_device_get_string(device, "Interface");
+ const char *driver = connman_option_get_string("wifi");
+ int ret;
+
+ DBG("device %p %p", device, wifi);
+
+ ret = g_supplicant_interface_create(interface, driver, NULL,
+ interface_create_callback,
+ wifi);
+ if (ret < 0)
+ return ret;
+
+ return -EINPROGRESS;
+}
+
+static int wifi_disable(struct connman_device *device)
+{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ int ret;
+
+ DBG("device %p", device);
+
+ wifi->connected = FALSE;
+ wifi->disconnecting = FALSE;
+
+ if (wifi->pending_network != NULL)
+ wifi->pending_network = NULL;
+
+ stop_autoscan(device);
+
+ /* In case of a user scan, device is still referenced */
+ if (connman_device_get_scanning(device) == TRUE) {
+ connman_device_set_scanning(device, FALSE);
+ connman_device_unref(wifi->device);
}
+ remove_networks(device, wifi);
+
+ ret = g_supplicant_interface_remove(wifi->interface, NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ return -EINPROGRESS;
+}
+
+struct last_connected {
+ GTimeVal modified;
+ gchar *ssid;
+ int freq;
+};
+
+static gint sort_entry(gconstpointer a, gconstpointer b, gpointer user_data)
+{
+ GTimeVal *aval = (GTimeVal *)a;
+ GTimeVal *bval = (GTimeVal *)b;
+
+ /* Note that the sort order is descending */
+ if (aval->tv_sec < bval->tv_sec)
+ return 1;
+
+ if (aval->tv_sec > bval->tv_sec)
+ return -1;
+
return 0;
}
-static void wifi_exit(void)
+static void free_entry(gpointer data)
+{
+ struct last_connected *entry = data;
+
+ g_free(entry->ssid);
+ g_free(entry);
+}
+
+static int get_latest_connections(int max_ssids,
+ GSupplicantScanParams *scan_data)
{
- supplicant_unregister(&supplicant);
+ GSequenceIter *iter;
+ GSequence *latest_list;
+ struct last_connected *entry;
+ GKeyFile *keyfile;
+ GTimeVal modified;
+ gchar **services;
+ gchar *str;
+ char *ssid;
+ int i, freq;
+ int num_ssids = 0;
+
+ latest_list = g_sequence_new(free_entry);
+ if (latest_list == NULL)
+ return -ENOMEM;
+
+ services = connman_storage_get_services();
+ for (i = 0; services && services[i]; i++) {
+ if (strncmp(services[i], "wifi_", 5) != 0)
+ continue;
+
+ keyfile = connman_storage_load_service(services[i]);
+
+ str = g_key_file_get_string(keyfile,
+ services[i], "Favorite", NULL);
+ if (str == NULL || g_strcmp0(str, "true")) {
+ if (str)
+ g_free(str);
+ g_key_file_free(keyfile);
+ continue;
+ }
+ g_free(str);
+
+ str = g_key_file_get_string(keyfile,
+ services[i], "AutoConnect", NULL);
+ if (str == NULL || g_strcmp0(str, "true")) {
+ if (str)
+ g_free(str);
+ g_key_file_free(keyfile);
+ continue;
+ }
+ g_free(str);
+
+ str = g_key_file_get_string(keyfile,
+ services[i], "Modified", NULL);
+ if (str != NULL) {
+ g_time_val_from_iso8601(str, &modified);
+ g_free(str);
+ }
+
+ ssid = g_key_file_get_string(keyfile,
+ services[i], "SSID", NULL);
+
+ freq = g_key_file_get_integer(keyfile, services[i],
+ "Frequency", NULL);
+ if (freq) {
+ entry = g_try_new(struct last_connected, 1);
+ if (entry == NULL) {
+ g_sequence_free(latest_list);
+ g_key_file_free(keyfile);
+ g_free(ssid);
+ return -ENOMEM;
+ }
+
+ entry->ssid = ssid;
+ entry->modified = modified;
+ entry->freq = freq;
+
+ g_sequence_insert_sorted(latest_list, entry,
+ sort_entry, NULL);
+ num_ssids++;
+ } else
+ g_free(ssid);
+
+ g_key_file_free(keyfile);
+ }
+
+ g_strfreev(services);
+
+ num_ssids = num_ssids > max_ssids ? max_ssids : num_ssids;
+
+ iter = g_sequence_get_begin_iter(latest_list);
+
+ for (i = 0; i < num_ssids; i++) {
+ entry = g_sequence_get(iter);
+
+ DBG("ssid %s freq %d modified %lu", entry->ssid, entry->freq,
+ entry->modified.tv_sec);
+
+ add_scan_param(entry->ssid, entry->freq, scan_data, max_ssids);
+
+ iter = g_sequence_iter_next(iter);
+ }
+
+ g_sequence_free(latest_list);
+ return num_ssids;
+}
+
+static int wifi_scan(struct connman_device *device)
+{
+ reset_autoscan(device);
+
+ return throw_wifi_scan(device, scan_callback_hidden);
+}
+
+static int wifi_scan_fast(struct connman_device *device)
+{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ GSupplicantScanParams *scan_params = NULL;
+ int ret;
+ int driver_max_ssids = 0;
+
+ DBG("device %p %p", device, wifi->interface);
+
+ if (wifi->tethering == TRUE)
+ return 0;
+
+ if (connman_device_get_scanning(device) == TRUE)
+ return -EALREADY;
+
+ driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
+ wifi->interface);
+ DBG("max ssids %d", driver_max_ssids);
+ if (driver_max_ssids == 0)
+ return wifi_scan(device);
+
+ scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
+ if (scan_params == NULL)
+ return -ENOMEM;
+
+ ret = get_latest_connections(driver_max_ssids, scan_params);
+ if (ret <= 0) {
+ g_supplicant_free_scan_params(scan_params);
+ return wifi_scan(device);
+ }
+
+ connman_device_ref(device);
+ reset_autoscan(device);
+
+ ret = g_supplicant_interface_scan(wifi->interface, scan_params,
+ scan_callback, device);
+ if (ret == 0)
+ connman_device_set_scanning(device, TRUE);
+ else {
+ g_supplicant_free_scan_params(scan_params);
+ connman_device_unref(device);
+ }
+
+ return ret;
+}
+
+/*
+ * This func is only used when connecting to this specific AP first time.
+ * It is not used when system autoconnects to hidden AP.
+ */
+static int wifi_scan_hidden(struct connman_device *device,
+ const char *ssid, unsigned int ssid_len,
+ const char *identity, const char* passphrase,
+ gpointer user_data)
+{
+ struct wifi_data *wifi = connman_device_get_data(device);
+ GSupplicantScanParams *scan_params = NULL;
+ struct scan_ssid *scan_ssid;
+ struct hidden_params *hidden;
+ int ret;
+
+ DBG("hidden SSID %s", ssid);
+
+ if (wifi->tethering == TRUE || wifi->hidden != NULL)
+ return -EBUSY;
+
+ if (ssid == NULL || ssid_len == 0 || ssid_len > 32)
+ return -EINVAL;
+
+ if (connman_device_get_scanning(device) == TRUE)
+ return -EALREADY;
+
+ scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
+ if (scan_params == NULL)
+ return -ENOMEM;
+
+ scan_ssid = g_try_new(struct scan_ssid, 1);
+ if (scan_ssid == NULL) {
+ g_free(scan_params);
+ return -ENOMEM;
+ }
+
+ memcpy(scan_ssid->ssid, ssid, ssid_len);
+ scan_ssid->ssid_len = ssid_len;
+ scan_params->ssids = g_slist_prepend(scan_params->ssids, scan_ssid);
+
+ scan_params->num_ssids = 1;
+
+ hidden = g_try_new0(struct hidden_params, 1);
+ if (hidden == NULL) {
+ g_free(scan_params);
+ return -ENOMEM;
+ }
+ memcpy(hidden->ssid, ssid, ssid_len);
+ hidden->ssid_len = ssid_len;
+ hidden->identity = g_strdup(identity);
+ hidden->passphrase = g_strdup(passphrase);
+ hidden->user_data = user_data;
+ wifi->hidden = hidden;
+
+ connman_device_ref(device);
+
+ reset_autoscan(device);
+
+ ret = g_supplicant_interface_scan(wifi->interface, scan_params,
+ scan_callback, device);
+ if (ret == 0)
+ connman_device_set_scanning(device, TRUE);
+ else {
+ connman_device_unref(device);
+ g_supplicant_free_scan_params(scan_params);
+ hidden_free(wifi->hidden);
+ wifi->hidden = NULL;
+ }
+
+ return ret;
+}
+
+static struct connman_device_driver wifi_ng_driver = {
+ .name = "wifi",
+ .type = CONNMAN_DEVICE_TYPE_WIFI,
+ .priority = CONNMAN_DEVICE_PRIORITY_LOW,
+ .probe = wifi_probe,
+ .remove = wifi_remove,
+ .enable = wifi_enable,
+ .disable = wifi_disable,
+ .scan = wifi_scan,
+ .scan_fast = wifi_scan_fast,
+ .scan_hidden = wifi_scan_hidden,
+};
+
+static void system_ready(void)
+{
+ DBG("");
+
+ if (connman_device_driver_register(&wifi_ng_driver) < 0)
+ connman_error("Failed to register WiFi driver");
+}
+
+static void system_killed(void)
+{
+ DBG("");
+
+ connman_device_driver_unregister(&wifi_ng_driver);
+}
+
+static int network_probe(struct connman_network *network)
+{
+ DBG("network %p", network);
+
+ return 0;
+}
+
+static void network_remove(struct connman_network *network)
+{
+ struct connman_device *device = connman_network_get_device(network);
+ struct wifi_data *wifi;
+
+ DBG("network %p", network);
+
+ wifi = connman_device_get_data(device);
+ if (wifi == NULL)
+ return;
+
+ if (wifi->network != network)
+ return;
+
+ wifi->network = NULL;
+}
+
+static void connect_callback(int result, GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct connman_network *network = user_data;
+
+ DBG("network %p result %d", network, result);
+
+ if (result == -ENOKEY) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_INVALID_KEY);
+ } else if (result < 0) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+ }
+}
+
+static GSupplicantSecurity network_security(const char *security)
+{
+ if (g_str_equal(security, "none") == TRUE)
+ return G_SUPPLICANT_SECURITY_NONE;
+ else if (g_str_equal(security, "wep") == TRUE)
+ return G_SUPPLICANT_SECURITY_WEP;
+ else if (g_str_equal(security, "psk") == TRUE)
+ return G_SUPPLICANT_SECURITY_PSK;
+ else if (g_str_equal(security, "wpa") == TRUE)
+ return G_SUPPLICANT_SECURITY_PSK;
+ else if (g_str_equal(security, "rsn") == TRUE)
+ return G_SUPPLICANT_SECURITY_PSK;
+ else if (g_str_equal(security, "ieee8021x") == TRUE)
+ return G_SUPPLICANT_SECURITY_IEEE8021X;
+
+ return G_SUPPLICANT_SECURITY_UNKNOWN;
+}
+
+static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
+{
+ const char *security, *passphrase, *agent_passphrase;
+
+ memset(ssid, 0, sizeof(*ssid));
+ ssid->mode = G_SUPPLICANT_MODE_INFRA;
+ ssid->ssid = connman_network_get_blob(network, "WiFi.SSID",
+ &ssid->ssid_len);
+ ssid->scan_ssid = 1;
+ security = connman_network_get_string(network, "WiFi.Security");
+ ssid->security = network_security(security);
+ passphrase = connman_network_get_string(network,
+ "WiFi.Passphrase");
+ if (passphrase == NULL || strlen(passphrase) == 0) {
+
+ /* Use agent provided passphrase as a fallback */
+ agent_passphrase = connman_network_get_string(network,
+ "WiFi.AgentPassphrase");
+
+ if (agent_passphrase == NULL || strlen(agent_passphrase) == 0)
+ ssid->passphrase = NULL;
+ else
+ ssid->passphrase = agent_passphrase;
+ } else
+ ssid->passphrase = passphrase;
+
+ ssid->eap = connman_network_get_string(network, "WiFi.EAP");
+
+ /*
+ * If our private key password is unset,
+ * we use the supplied passphrase. That is needed
+ * for PEAP where 2 passphrases (identity and client
+ * cert may have to be provided.
+ */
+ if (connman_network_get_string(network,
+ "WiFi.PrivateKeyPassphrase") == NULL)
+ connman_network_set_string(network,
+ "WiFi.PrivateKeyPassphrase",
+ ssid->passphrase);
+ /* We must have an identity for both PEAP and TLS */
+ ssid->identity = connman_network_get_string(network, "WiFi.Identity");
+
+ /* Use agent provided identity as a fallback */
+ if (ssid->identity == NULL || strlen(ssid->identity) == 0)
+ ssid->identity = connman_network_get_string(network,
+ "WiFi.AgentIdentity");
+
+ ssid->ca_cert_path = connman_network_get_string(network,
+ "WiFi.CACertFile");
+ ssid->client_cert_path = connman_network_get_string(network,
+ "WiFi.ClientCertFile");
+ ssid->private_key_path = connman_network_get_string(network,
+ "WiFi.PrivateKeyFile");
+ ssid->private_key_passphrase = connman_network_get_string(network,
+ "WiFi.PrivateKeyPassphrase");
+ ssid->phase2_auth = connman_network_get_string(network, "WiFi.Phase2");
+
+ ssid->use_wps = connman_network_get_bool(network, "WiFi.UseWPS");
+ ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
+
+ if (connman_setting_get_bool("BackgroundScanning") == TRUE)
+ ssid->bgscan = BGSCAN_DEFAULT;
+}
+
+static int network_connect(struct connman_network *network)
+{
+ struct connman_device *device = connman_network_get_device(network);
+ struct wifi_data *wifi;
+ GSupplicantInterface *interface;
+ GSupplicantSSID *ssid;
+
+ DBG("network %p", network);
+
+ if (device == NULL)
+ return -ENODEV;
+
+ wifi = connman_device_get_data(device);
+ if (wifi == NULL)
+ return -ENODEV;
+
+ ssid = g_try_malloc0(sizeof(GSupplicantSSID));
+ if (ssid == NULL)
+ return -ENOMEM;
+
+ interface = wifi->interface;
+
+ ssid_init(ssid, network);
+
+ if (wifi->disconnecting == TRUE)
+ wifi->pending_network = network;
+ else {
+ wifi->network = network;
+ wifi->retries = 0;
+
+ return g_supplicant_interface_connect(interface, ssid,
+ connect_callback, network);
+ }
+
+ return -EINPROGRESS;
+}
+
+static void disconnect_callback(int result, GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct wifi_data *wifi = user_data;
+
+ if (wifi->network != NULL) {
+ /*
+ * if result < 0 supplican return an error because
+ * the network is not current.
+ * we wont receive G_SUPPLICANT_STATE_DISCONNECTED since it
+ * failed, call connman_network_set_connected to report
+ * disconnect is completed.
+ */
+ if (result < 0)
+ connman_network_set_connected(wifi->network, FALSE);
+ }
+
+ wifi->network = NULL;
+
+ wifi->disconnecting = FALSE;
+
+ if (wifi->pending_network != NULL) {
+ network_connect(wifi->pending_network);
+ wifi->pending_network = NULL;
+ }
+
+ start_autoscan(wifi->device);
+}
+
+static int network_disconnect(struct connman_network *network)
+{
+ struct connman_device *device = connman_network_get_device(network);
+ struct wifi_data *wifi;
+ int err;
+
+ DBG("network %p", network);
+
+ wifi = connman_device_get_data(device);
+ if (wifi == NULL || wifi->interface == NULL)
+ return -ENODEV;
+
+ connman_network_set_associating(network, FALSE);
+
+ if (wifi->disconnecting == TRUE)
+ return -EALREADY;
+
+ wifi->disconnecting = TRUE;
+
+ err = g_supplicant_interface_disconnect(wifi->interface,
+ disconnect_callback, wifi);
+ if (err < 0)
+ wifi->disconnecting = FALSE;
+
+ return err;
+}
+
+static struct connman_network_driver network_driver = {
+ .name = "wifi",
+ .type = CONNMAN_NETWORK_TYPE_WIFI,
+ .priority = CONNMAN_NETWORK_PRIORITY_LOW,
+ .probe = network_probe,
+ .remove = network_remove,
+ .connect = network_connect,
+ .disconnect = network_disconnect,
+};
+
+static void interface_added(GSupplicantInterface *interface)
+{
+ const char *ifname = g_supplicant_interface_get_ifname(interface);
+ const char *driver = g_supplicant_interface_get_driver(interface);
+ struct wifi_data *wifi;
+
+ wifi = g_supplicant_interface_get_data(interface);
+
+ /*
+ * We can get here with a NULL wifi pointer when
+ * the interface added signal is sent before the
+ * interface creation callback is called.
+ */
+ if (wifi == NULL)
+ return;
+
+ DBG("ifname %s driver %s wifi %p tethering %d",
+ ifname, driver, wifi, wifi->tethering);
+
+ if (wifi->device == NULL) {
+ connman_error("WiFi device not set");
+ return;
+ }
+
+ connman_device_set_powered(wifi->device, TRUE);
+
+ if (wifi->tethering == TRUE)
+ return;
+}
+
+static connman_bool_t is_idle(struct wifi_data *wifi)
+{
+ DBG("state %d", wifi->state);
+
+ switch (wifi->state) {
+ case G_SUPPLICANT_STATE_UNKNOWN:
+ case G_SUPPLICANT_STATE_DISCONNECTED:
+ case G_SUPPLICANT_STATE_INACTIVE:
+ case G_SUPPLICANT_STATE_SCANNING:
+ return TRUE;
+
+ case G_SUPPLICANT_STATE_AUTHENTICATING:
+ case G_SUPPLICANT_STATE_ASSOCIATING:
+ case G_SUPPLICANT_STATE_ASSOCIATED:
+ case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
+ case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
+ case G_SUPPLICANT_STATE_COMPLETED:
+ return FALSE;
+ }
+
+ return FALSE;
+}
+
+static connman_bool_t is_idle_wps(GSupplicantInterface *interface,
+ struct wifi_data *wifi)
+{
+ /* First, let's check if WPS processing did not went wrong */
+ if (g_supplicant_interface_get_wps_state(interface) ==
+ G_SUPPLICANT_WPS_STATE_FAIL)
+ return FALSE;
+
+ /* Unlike normal connection, being associated while processing wps
+ * actually means that we are idling. */
+ switch (wifi->state) {
+ case G_SUPPLICANT_STATE_UNKNOWN:
+ case G_SUPPLICANT_STATE_DISCONNECTED:
+ case G_SUPPLICANT_STATE_INACTIVE:
+ case G_SUPPLICANT_STATE_SCANNING:
+ case G_SUPPLICANT_STATE_ASSOCIATED:
+ return TRUE;
+ case G_SUPPLICANT_STATE_AUTHENTICATING:
+ case G_SUPPLICANT_STATE_ASSOCIATING:
+ case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
+ case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
+ case G_SUPPLICANT_STATE_COMPLETED:
+ return FALSE;
+ }
+
+ return FALSE;
+}
+
+static connman_bool_t handle_wps_completion(GSupplicantInterface *interface,
+ struct connman_network *network,
+ struct connman_device *device,
+ struct wifi_data *wifi)
+{
+ connman_bool_t wps;
+
+ wps = connman_network_get_bool(network, "WiFi.UseWPS");
+ if (wps == TRUE) {
+ const unsigned char *ssid, *wps_ssid;
+ unsigned int ssid_len, wps_ssid_len;
+ const char *wps_key;
+
+ /* Checking if we got associated with requested
+ * network */
+ ssid = connman_network_get_blob(network, "WiFi.SSID",
+ &ssid_len);
+
+ wps_ssid = g_supplicant_interface_get_wps_ssid(
+ interface, &wps_ssid_len);
+
+ if (wps_ssid == NULL || wps_ssid_len != ssid_len ||
+ memcmp(ssid, wps_ssid, ssid_len) != 0) {
+ connman_network_set_associating(network, FALSE);
+ g_supplicant_interface_disconnect(wifi->interface,
+ disconnect_callback, wifi);
+ return FALSE;
+ }
+
+ wps_key = g_supplicant_interface_get_wps_key(interface);
+ connman_network_set_string(network, "WiFi.Passphrase",
+ wps_key);
+
+ connman_network_set_string(network, "WiFi.PinWPS", NULL);
+ }
+
+ return TRUE;
+}
+
+static connman_bool_t handle_4way_handshake_failure(GSupplicantInterface *interface,
+ struct connman_network *network,
+ struct wifi_data *wifi)
+{
+ if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
+ return FALSE;
+
+ wifi->retries++;
+
+ if (wifi->retries < MAXIMUM_RETRIES)
+ return TRUE;
+
+ connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
+
+ return FALSE;
+}
+
+static void interface_state(GSupplicantInterface *interface)
+{
+ struct connman_network *network;
+ struct connman_device *device;
+ struct wifi_data *wifi;
+ GSupplicantState state = g_supplicant_interface_get_state(interface);
+ connman_bool_t wps;
+
+ wifi = g_supplicant_interface_get_data(interface);
+
+ DBG("wifi %p interface state %d", wifi, state);
+
+ if (wifi == NULL)
+ return;
+
+ network = wifi->network;
+ device = wifi->device;
+
+ if (device == NULL || network == NULL)
+ return;
+
+ switch (state) {
+ case G_SUPPLICANT_STATE_SCANNING:
+ break;
+
+ case G_SUPPLICANT_STATE_AUTHENTICATING:
+ case G_SUPPLICANT_STATE_ASSOCIATING:
+ stop_autoscan(device);
+
+ if (wifi->connected == FALSE)
+ connman_network_set_associating(network, TRUE);
+
+ break;
+
+ case G_SUPPLICANT_STATE_COMPLETED:
+ /* though it should be already stopped: */
+ stop_autoscan(device);
+
+ if (handle_wps_completion(interface, network, device, wifi) ==
+ FALSE)
+ break;
+
+ connman_network_set_connected(network, TRUE);
+ break;
+
+ case G_SUPPLICANT_STATE_DISCONNECTED:
+ /*
+ * If we're in one of the idle modes, we have
+ * not started association yet and thus setting
+ * those ones to FALSE could cancel an association
+ * in progress.
+ */
+ wps = connman_network_get_bool(network, "WiFi.UseWPS");
+ if (wps == TRUE)
+ if (is_idle_wps(interface, wifi) == TRUE)
+ break;
+
+ if (is_idle(wifi))
+ break;
+
+ /* If previous state was 4way-handshake, then
+ * it's either: psk was incorrect and thus we retry
+ * or if we reach the maximum retries we declare the
+ * psk as wrong */
+ if (handle_4way_handshake_failure(interface,
+ network, wifi) == TRUE)
+ break;
+
+ /* We disable the selected network, if not then
+ * wpa_supplicant will loop retrying */
+ if (g_supplicant_interface_enable_selected_network(interface,
+ FALSE) != 0)
+ DBG("Could not disables selected network");
+
+ connman_network_set_connected(network, FALSE);
+ connman_network_set_associating(network, FALSE);
+ wifi->disconnecting = FALSE;
+
+ start_autoscan(device);
+
+ break;
+
+ case G_SUPPLICANT_STATE_INACTIVE:
+ connman_network_set_associating(network, FALSE);
+ start_autoscan(device);
+
+ break;
+
+ case G_SUPPLICANT_STATE_UNKNOWN:
+ case G_SUPPLICANT_STATE_ASSOCIATED:
+ case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
+ case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
+ break;
+ }
+
+ wifi->state = state;
+
+ /* Saving wpa_s state policy:
+ * If connected and if the state changes are roaming related:
+ * --> We stay connected
+ * If completed
+ * --> We are connected
+ * All other case:
+ * --> We are not connected
+ * */
+ switch (state) {
+ case G_SUPPLICANT_STATE_AUTHENTICATING:
+ case G_SUPPLICANT_STATE_ASSOCIATING:
+ case G_SUPPLICANT_STATE_ASSOCIATED:
+ case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
+ case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
+ if (wifi->connected == TRUE)
+ connman_warn("Probably roaming right now!"
+ " Staying connected...");
+ else
+ wifi->connected = FALSE;
+ break;
+ case G_SUPPLICANT_STATE_COMPLETED:
+ wifi->connected = TRUE;
+ break;
+ default:
+ wifi->connected = FALSE;
+ break;
+ }
+
+ DBG("DONE");
+}
+
+static void interface_removed(GSupplicantInterface *interface)
+{
+ const char *ifname = g_supplicant_interface_get_ifname(interface);
+ struct wifi_data *wifi;
+
+ DBG("ifname %s", ifname);
+
+ wifi = g_supplicant_interface_get_data(interface);
+
+ if (wifi != NULL && wifi->tethering == TRUE)
+ return;
+
+ if (wifi == NULL || wifi->device == NULL) {
+ DBG("wifi interface already removed");
+ return;
+ }
+
+ wifi->interface = NULL;
+ connman_device_set_powered(wifi->device, FALSE);
+}
+
+static void scan_started(GSupplicantInterface *interface)
+{
+ DBG("");
+}
+
+static void scan_finished(GSupplicantInterface *interface)
+{
+ DBG("");
+}
+
+static unsigned char calculate_strength(GSupplicantNetwork *supplicant_network)
+{
+ unsigned char strength;
+
+ strength = 120 + g_supplicant_network_get_signal(supplicant_network);
+ if (strength > 100)
+ strength = 100;
+
+ return strength;
+}
+
+static void network_added(GSupplicantNetwork *supplicant_network)
+{
+ struct connman_network *network;
+ GSupplicantInterface *interface;
+ struct wifi_data *wifi;
+ const char *name, *identifier, *security, *group, *mode;
+ const unsigned char *ssid;
+ unsigned int ssid_len;
+ connman_bool_t wps;
+ connman_bool_t wps_pbc;
+ connman_bool_t wps_ready;
+ connman_bool_t wps_advertizing;
+
+ DBG("");
+
+ interface = g_supplicant_network_get_interface(supplicant_network);
+ wifi = g_supplicant_interface_get_data(interface);
+ name = g_supplicant_network_get_name(supplicant_network);
+ identifier = g_supplicant_network_get_identifier(supplicant_network);
+ security = g_supplicant_network_get_security(supplicant_network);
+ group = g_supplicant_network_get_identifier(supplicant_network);
+ wps = g_supplicant_network_get_wps(supplicant_network);
+ wps_pbc = g_supplicant_network_is_wps_pbc(supplicant_network);
+ wps_ready = g_supplicant_network_is_wps_active(supplicant_network);
+ wps_advertizing = g_supplicant_network_is_wps_advertizing(
+ supplicant_network);
+ mode = g_supplicant_network_get_mode(supplicant_network);
+
+ if (wifi == NULL)
+ return;
+
+ ssid = g_supplicant_network_get_ssid(supplicant_network, &ssid_len);
+
+ network = connman_device_get_network(wifi->device, identifier);
+
+ if (network == NULL) {
+ network = connman_network_create(identifier,
+ CONNMAN_NETWORK_TYPE_WIFI);
+ if (network == NULL)
+ return;
+
+ connman_network_set_index(network, wifi->index);
+
+ if (connman_device_add_network(wifi->device, network) < 0) {
+ connman_network_unref(network);
+ return;
+ }
+
+ wifi->networks = g_slist_append(wifi->networks, network);
+ }
+
+ if (name != NULL && name[0] != '\0')
+ connman_network_set_name(network, name);
+
+ connman_network_set_blob(network, "WiFi.SSID",
+ ssid, ssid_len);
+ connman_network_set_string(network, "WiFi.Security", security);
+ connman_network_set_strength(network,
+ calculate_strength(supplicant_network));
+ connman_network_set_bool(network, "WiFi.WPS", wps);
+
+ if (wps == TRUE) {
+ /* Is AP advertizing for WPS association?
+ * If so, we decide to use WPS by default */
+ if (wps_ready == TRUE && wps_pbc == TRUE &&
+ wps_advertizing == TRUE)
+ connman_network_set_bool(network, "WiFi.UseWPS", TRUE);
+ }
+
+ connman_network_set_frequency(network,
+ g_supplicant_network_get_frequency(supplicant_network));
+
+ connman_network_set_available(network, TRUE);
+ connman_network_set_string(network, "WiFi.Mode", mode);
+
+ if (ssid != NULL)
+ connman_network_set_group(network, group);
+
+ if (wifi->hidden != NULL && ssid != NULL) {
+ if (wifi->hidden->ssid_len == ssid_len &&
+ memcmp(wifi->hidden->ssid, ssid,
+ ssid_len) == 0) {
+ connman_network_connect_hidden(network,
+ wifi->hidden->identity,
+ wifi->hidden->passphrase,
+ wifi->hidden->user_data);
+ wifi->hidden->user_data = NULL;
+ hidden_free(wifi->hidden);
+ wifi->hidden = NULL;
+ }
+ }
+}
+
+static void network_removed(GSupplicantNetwork *network)
+{
+ GSupplicantInterface *interface;
+ struct wifi_data *wifi;
+ const char *name, *identifier;
+ struct connman_network *connman_network;
+
+ interface = g_supplicant_network_get_interface(network);
+ wifi = g_supplicant_interface_get_data(interface);
+ identifier = g_supplicant_network_get_identifier(network);
+ name = g_supplicant_network_get_name(network);
+
+ DBG("name %s", name);
+
+ if (wifi == NULL)
+ return;
+
+ connman_network = connman_device_get_network(wifi->device, identifier);
+ if (connman_network == NULL)
+ return;
+
+ wifi->networks = g_slist_remove(wifi->networks, connman_network);
+
+ connman_device_remove_network(wifi->device, connman_network);
+ connman_network_unref(connman_network);
+}
+
+static void network_changed(GSupplicantNetwork *network, const char *property)
+{
+ GSupplicantInterface *interface;
+ struct wifi_data *wifi;
+ const char *name, *identifier;
+ struct connman_network *connman_network;
+
+ interface = g_supplicant_network_get_interface(network);
+ wifi = g_supplicant_interface_get_data(interface);
+ identifier = g_supplicant_network_get_identifier(network);
+ name = g_supplicant_network_get_name(network);
+
+ DBG("name %s", name);
+
+ if (wifi == NULL)
+ return;
+
+ connman_network = connman_device_get_network(wifi->device, identifier);
+ if (connman_network == NULL)
+ return;
+
+ if (g_str_equal(property, "Signal") == TRUE) {
+ connman_network_set_strength(connman_network,
+ calculate_strength(network));
+ connman_network_update(connman_network);
+ }
+}
+
+static void debug(const char *str)
+{
+ if (getenv("CONNMAN_SUPPLICANT_DEBUG"))
+ connman_debug("%s", str);
+}
+
+static const GSupplicantCallbacks callbacks = {
+ .system_ready = system_ready,
+ .system_killed = system_killed,
+ .interface_added = interface_added,
+ .interface_state = interface_state,
+ .interface_removed = interface_removed,
+ .scan_started = scan_started,
+ .scan_finished = scan_finished,
+ .network_added = network_added,
+ .network_removed = network_removed,
+ .network_changed = network_changed,
+ .debug = debug,
+};
+
+
+static int tech_probe(struct connman_technology *technology)
+{
+ wifi_technology = technology;
+
+ return 0;
+}
+
+static void tech_remove(struct connman_technology *technology)
+{
+ wifi_technology = NULL;
+}
+
+struct wifi_tethering_info {
+ struct wifi_data *wifi;
+ struct connman_technology *technology;
+ char *ifname;
+ GSupplicantSSID *ssid;
+};
+
+static GSupplicantSSID *ssid_ap_init(const char *ssid, const char *passphrase)
+{
+ GSupplicantSSID *ap;
+
+ ap = g_try_malloc0(sizeof(GSupplicantSSID));
+ if (ap == NULL)
+ return NULL;
+
+ ap->mode = G_SUPPLICANT_MODE_MASTER;
+ ap->ssid = ssid;
+ ap->ssid_len = strlen(ssid);
+ ap->scan_ssid = 0;
+ ap->freq = 2412;
+
+ if (passphrase == NULL || strlen(passphrase) == 0) {
+ ap->security = G_SUPPLICANT_SECURITY_NONE;
+ ap->passphrase = NULL;
+ } else {
+ ap->security = G_SUPPLICANT_SECURITY_PSK;
+ ap->protocol = G_SUPPLICANT_PROTO_RSN;
+ ap->pairwise_cipher = G_SUPPLICANT_PAIRWISE_CCMP;
+ ap->group_cipher = G_SUPPLICANT_GROUP_CCMP;
+ ap->passphrase = passphrase;
+ }
+
+ return ap;
+}
+
+static void ap_start_callback(int result, GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct wifi_tethering_info *info = user_data;
+
+ DBG("result %d index %d bridge %s",
+ result, info->wifi->index, info->wifi->bridge);
+
+ if (result < 0) {
+ connman_inet_remove_from_bridge(info->wifi->index,
+ info->wifi->bridge);
+ connman_technology_tethering_notify(info->technology, FALSE);
+ }
+
+ g_free(info->ifname);
+ g_free(info);
+}
+
+static void ap_create_callback(int result,
+ GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct wifi_tethering_info *info = user_data;
+
+ DBG("result %d ifname %s", result,
+ g_supplicant_interface_get_ifname(interface));
+
+ if (result < 0) {
+ connman_inet_remove_from_bridge(info->wifi->index,
+ info->wifi->bridge);
+ connman_technology_tethering_notify(info->technology, FALSE);
+
+ g_free(info->ifname);
+ g_free(info);
+ return;
+ }
+
+ info->wifi->interface = interface;
+ g_supplicant_interface_set_data(interface, info->wifi);
+
+ if (g_supplicant_interface_set_apscan(interface, 2) < 0)
+ connman_error("Failed to set interface ap_scan property");
+
+ g_supplicant_interface_connect(interface, info->ssid,
+ ap_start_callback, info);
+}
+
+static void sta_remove_callback(int result,
+ GSupplicantInterface *interface,
+ void *user_data)
+{
+ struct wifi_tethering_info *info = user_data;
+ const char *driver = connman_option_get_string("wifi");
+
+ DBG("ifname %s result %d ", info->ifname, result);
+
+ if (result < 0) {
+ info->wifi->tethering = TRUE;
+
+ g_free(info->ifname);
+ g_free(info);
+ return;
+ }
+
+ info->wifi->interface = NULL;
+
+ connman_technology_tethering_notify(info->technology, TRUE);
+
+ g_supplicant_interface_create(info->ifname, driver, info->wifi->bridge,
+ ap_create_callback,
+ info);
+}
+
+static int tech_set_tethering(struct connman_technology *technology,
+ const char *identifier, const char *passphrase,
+ const char *bridge, connman_bool_t enabled)
+{
+ GList *list;
+ GSupplicantInterface *interface;
+ struct wifi_data *wifi;
+ struct wifi_tethering_info *info;
+ const char *ifname;
+ unsigned int mode;
+ int err;
+
+ DBG("");
+
+ if (enabled == FALSE) {
+ for (list = iface_list; list; list = list->next) {
+ wifi = list->data;
+
+ if (wifi->tethering == TRUE) {
+ wifi->tethering = FALSE;
+
+ connman_inet_remove_from_bridge(wifi->index,
+ bridge);
+ wifi->bridged = FALSE;
+ }
+ }
+
+ connman_technology_tethering_notify(technology, FALSE);
+
+ return 0;
+ }
+
+ for (list = iface_list; list; list = list->next) {
+ wifi = list->data;
+
+ interface = wifi->interface;
+
+ if (interface == NULL)
+ continue;
+
+ ifname = g_supplicant_interface_get_ifname(wifi->interface);
+
+ mode = g_supplicant_interface_get_mode(interface);
+ if ((mode & G_SUPPLICANT_CAPABILITY_MODE_AP) == 0) {
+ DBG("%s does not support AP mode", ifname);
+ continue;
+ }
+
+ info = g_try_malloc0(sizeof(struct wifi_tethering_info));
+ if (info == NULL)
+ return -ENOMEM;
+
+ info->wifi = wifi;
+ info->technology = technology;
+ info->wifi->bridge = bridge;
+ info->ssid = ssid_ap_init(identifier, passphrase);
+ if (info->ssid == NULL) {
+ g_free(info);
+ continue;
+ }
+ info->ifname = g_strdup(ifname);
+ if (info->ifname == NULL) {
+ g_free(info);
+ continue;
+ }
+
+ info->wifi->tethering = TRUE;
+
+ err = g_supplicant_interface_remove(interface,
+ sta_remove_callback,
+ info);
+ if (err == 0)
+ return err;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static void regdom_callback(void *user_data)
+{
+ char *alpha2 = user_data;
+
+ DBG("");
+
+ if (wifi_technology == NULL)
+ return;
+
+ connman_technology_regdom_notify(wifi_technology, alpha2);
+}
+
+static int tech_set_regdom(struct connman_technology *technology, const char *alpha2)
+{
+ return g_supplicant_set_country(alpha2, regdom_callback, alpha2);
+}
+
+static struct connman_technology_driver tech_driver = {
+ .name = "wifi",
+ .type = CONNMAN_SERVICE_TYPE_WIFI,
+ .probe = tech_probe,
+ .remove = tech_remove,
+ .set_tethering = tech_set_tethering,
+ .set_regdom = tech_set_regdom,
+};
+
+static int wifi_init(void)
+{
+ int err;
+
+ err = connman_network_driver_register(&network_driver);
+ if (err < 0)
+ return err;
+
+ err = g_supplicant_register(&callbacks);
+ if (err < 0) {
+ connman_network_driver_unregister(&network_driver);
+ return err;
+ }
+
+ err = connman_technology_driver_register(&tech_driver);
+ if (err < 0) {
+ g_supplicant_unregister(&callbacks);
+ connman_network_driver_unregister(&network_driver);
+ return err;
+ }
+
+ return 0;
+}
+
+static void wifi_exit(void)
+{
+ DBG();
+
+ connman_technology_driver_unregister(&tech_driver);
+
+ g_supplicant_unregister(&callbacks);
connman_network_driver_unregister(&network_driver);
}