diff options
| author | Sebastien Bacher <seb128@ubuntu.com> | 2021-02-25 11:35:01 +0100 |
|---|---|---|
| committer | Sebastien Bacher <seb128@ubuntu.com> | 2021-02-25 11:49:48 +0100 |
| commit | 77dea84aa6e816f66dc622cec8ae2668eba3c068 (patch) | |
| tree | 755536a0ed1fb36c2899e9bff9e092c4008a25c4 /src/devices/wifi/nm-device-iwd.c | |
| parent | 47f08826b44eed651b44dc8bacb5b46bc4c52067 (diff) | |
| parent | fd80297a396cc4dd7da4da20208fb360aa369aa7 (diff) | |
Merge branch 'debian/master' into ubuntu/master
Diffstat (limited to 'src/devices/wifi/nm-device-iwd.c')
| -rw-r--r-- | src/devices/wifi/nm-device-iwd.c | 2702 |
1 files changed, 0 insertions, 2702 deletions
diff --git a/src/devices/wifi/nm-device-iwd.c b/src/devices/wifi/nm-device-iwd.c deleted file mode 100644 index 64ac3de7..00000000 --- a/src/devices/wifi/nm-device-iwd.c +++ /dev/null @@ -1,2702 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2017 Intel Corporation - */ - -#include "nm-default.h" - -#include "nm-device-iwd.h" - -#include "devices/nm-device-private.h" -#include "devices/nm-device.h" -#include "nm-act-request.h" -#include "nm-config.h" -#include "nm-core-internal.h" -#include "nm-dbus-manager.h" -#include "nm-glib-aux/nm-ref-string.h" -#include "nm-iwd-manager.h" -#include "nm-libnm-core-intern/nm-common-macros.h" -#include "nm-setting-8021x.h" -#include "nm-setting-connection.h" -#include "nm-setting-wireless-security.h" -#include "nm-setting-wireless.h" -#include "nm-std-aux/nm-dbus-compat.h" -#include "nm-utils.h" -#include "nm-wifi-common.h" -#include "nm-wifi-utils.h" -#include "settings/nm-settings-connection.h" -#include "settings/nm-settings.h" -#include "supplicant/nm-supplicant-types.h" - -#include "devices/nm-device-logging.h" -_LOG_DECLARE_SELF(NMDeviceIwd); - -/*****************************************************************************/ - -NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceIwd, - PROP_MODE, - PROP_BITRATE, - PROP_ACCESS_POINTS, - PROP_ACTIVE_ACCESS_POINT, - PROP_CAPABILITIES, - PROP_SCANNING, - PROP_LAST_SCAN, ); - -typedef struct { - GDBusObject * dbus_obj; - GDBusProxy * dbus_device_proxy; - GDBusProxy * dbus_station_proxy; - GDBusProxy * dbus_ap_proxy; - GDBusProxy * dbus_adhoc_proxy; - CList aps_lst_head; - NMWifiAP * current_ap; - GCancellable * cancellable; - NMDeviceWifiCapabilities capabilities; - NMActRequestGetSecretsCallId *wifi_secrets_id; - guint periodic_scan_id; - bool enabled : 1; - bool can_scan : 1; - bool can_connect : 1; - bool scanning : 1; - bool scan_requested : 1; - bool act_mode_switch : 1; - gint64 last_scan; -} NMDeviceIwdPrivate; - -struct _NMDeviceIwd { - NMDevice parent; - NMDeviceIwdPrivate _priv; -}; - -struct _NMDeviceIwdClass { - NMDeviceClass parent; -}; - -/*****************************************************************************/ - -G_DEFINE_TYPE(NMDeviceIwd, nm_device_iwd, NM_TYPE_DEVICE) - -#define NM_DEVICE_IWD_GET_PRIVATE(self) \ - _NM_GET_PRIVATE(self, NMDeviceIwd, NM_IS_DEVICE_IWD, NMDevice) - -/*****************************************************************************/ - -static void schedule_periodic_scan(NMDeviceIwd *self, gboolean initial_scan); - -static gboolean check_scanning_prohibited(NMDeviceIwd *self, gboolean periodic); - -/*****************************************************************************/ - -static void -_ap_dump(NMDeviceIwd *self, NMLogLevel log_level, const NMWifiAP *ap, const char *prefix) -{ - char buf[1024]; - - buf[0] = '\0'; - _NMLOG(log_level, - LOGD_WIFI_SCAN, - "wifi-ap: %-7s %s", - prefix, - nm_wifi_ap_to_string(ap, buf, sizeof(buf), 0)); -} - -/* Callers ensure we're not removing current_ap */ -static void -ap_add_remove(NMDeviceIwd *self, - gboolean is_adding, /* or else is removing */ - NMWifiAP * ap, - gboolean recheck_available_connections) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (is_adding) { - g_object_ref(ap); - ap->wifi_device = NM_DEVICE(self); - c_list_link_tail(&priv->aps_lst_head, &ap->aps_lst); - nm_dbus_object_export(NM_DBUS_OBJECT(ap)); - _ap_dump(self, LOGL_DEBUG, ap, "added"); - nm_device_wifi_emit_signal_access_point(NM_DEVICE(self), ap, TRUE); - } else { - ap->wifi_device = NULL; - c_list_unlink(&ap->aps_lst); - _ap_dump(self, LOGL_DEBUG, ap, "removed"); - } - - _notify(self, PROP_ACCESS_POINTS); - - if (!is_adding) { - nm_device_wifi_emit_signal_access_point(NM_DEVICE(self), ap, FALSE); - nm_dbus_object_clear_and_unexport(&ap); - } - - nm_device_emit_recheck_auto_activate(NM_DEVICE(self)); - if (recheck_available_connections) - nm_device_recheck_available_connections(NM_DEVICE(self)); -} - -static void -set_current_ap(NMDeviceIwd *self, NMWifiAP *new_ap, gboolean recheck_available_connections) -{ - NMDeviceIwdPrivate *priv; - NMWifiAP * old_ap; - - g_return_if_fail(NM_IS_DEVICE_IWD(self)); - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - old_ap = priv->current_ap; - - if (old_ap == new_ap) - return; - - if (new_ap) - priv->current_ap = g_object_ref(new_ap); - else - priv->current_ap = NULL; - - if (old_ap) { - if (nm_wifi_ap_get_fake(old_ap)) - ap_add_remove(self, FALSE, old_ap, recheck_available_connections); - g_object_unref(old_ap); - } - - _notify(self, PROP_ACTIVE_ACCESS_POINT); - _notify(self, PROP_MODE); -} - -static void -remove_all_aps(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMWifiAP * ap, *ap_safe; - - if (c_list_is_empty(&priv->aps_lst_head)) - return; - - set_current_ap(self, NULL, FALSE); - - c_list_for_each_entry_safe (ap, ap_safe, &priv->aps_lst_head, aps_lst) - ap_add_remove(self, FALSE, ap, FALSE); - - nm_device_emit_recheck_auto_activate(NM_DEVICE(self)); - nm_device_recheck_available_connections(NM_DEVICE(self)); -} - -static NM80211ApSecurityFlags -ap_security_flags_from_network_type(const char *type) -{ - NM80211ApSecurityFlags flags; - - if (nm_streq(type, "psk")) - flags = NM_802_11_AP_SEC_KEY_MGMT_PSK; - else if (nm_streq(type, "8021x")) - flags = NM_802_11_AP_SEC_KEY_MGMT_802_1X; - else - return NM_802_11_AP_SEC_NONE; - - flags |= NM_802_11_AP_SEC_PAIR_CCMP; - flags |= NM_802_11_AP_SEC_GROUP_CCMP; - return flags; -} - -static void -insert_ap_from_network(NMDeviceIwd *self, - GHashTable * aps, - const char * path, - gint64 last_seen_msec, - int16_t signal, - uint32_t ap_id) -{ - gs_unref_object GDBusProxy *network_proxy = NULL; - gs_unref_variant GVariant *name_value = NULL; - gs_unref_variant GVariant *type_value = NULL; - nm_auto_ref_string NMRefString *bss_path = NULL; - const char * name; - const char * type; - NMSupplicantBssInfo bss_info; - uint8_t bssid[6]; - NMWifiAP * ap; - gs_unref_bytes GBytes *ssid = NULL; - - bss_path = nm_ref_string_new(path); - - if (g_hash_table_lookup(aps, path)) { - _LOGD(LOGD_WIFI, "Duplicate network at %s", path); - return; - } - - network_proxy = - nm_iwd_manager_get_dbus_interface(nm_iwd_manager_get(), path, NM_IWD_NETWORK_INTERFACE); - if (!network_proxy) - return; - - name_value = g_dbus_proxy_get_cached_property(network_proxy, "Name"); - type_value = g_dbus_proxy_get_cached_property(network_proxy, "Type"); - if (!name_value || !g_variant_is_of_type(name_value, G_VARIANT_TYPE_STRING) || !type_value - || !g_variant_is_of_type(type_value, G_VARIANT_TYPE_STRING)) - return; - - name = g_variant_get_string(name_value, NULL); - type = g_variant_get_string(type_value, NULL); - - if (nm_streq(type, "wep")) { - /* WEP not supported */ - return; - } - - /* What we get from IWD are networks, or ESSs, that may contain - * multiple APs, or BSSs, each. We don't get information about any - * specific BSSs within an ESS but we can safely present each ESS - * as an individual BSS to NM, which will be seen as ESSs comprising - * a single BSS each. NM won't be able to handle roaming but IWD - * already does that. We fake the BSSIDs as they don't play any - * role either. - */ - bssid[0] = 0x00; - bssid[1] = 0x01; - bssid[2] = 0x02; - bssid[3] = ap_id >> 16; - bssid[4] = ap_id >> 8; - bssid[5] = ap_id; - - ssid = g_bytes_new(name, NM_MIN(32u, strlen(name))); - - bss_info = (NMSupplicantBssInfo){ - .bss_path = bss_path, - .last_seen_msec = last_seen_msec, - .bssid_valid = TRUE, - .mode = NM_802_11_MODE_INFRA, - .rsn_flags = ap_security_flags_from_network_type(type), - .ssid = ssid, - .signal_percent = nm_wifi_utils_level_to_quality(signal / 100), - .frequency = 2417, - .max_rate = 65000, - }; - memcpy(bss_info.bssid, bssid, sizeof(bssid)); - - ap = nm_wifi_ap_new_from_properties(&bss_info); - - nm_assert(bss_path == nm_wifi_ap_get_supplicant_path(ap)); - - g_hash_table_insert(aps, bss_path, ap); -} - -static void -get_ordered_networks_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv; - gs_free_error GError *error = NULL; - gs_unref_variant GVariant *variant = NULL; - GVariantIter * networks; - const char * path, *name, *type; - int16_t signal; - NMWifiAP * ap, *ap_safe, *new_ap; - gboolean changed = FALSE; - GHashTableIter ap_iter; - gs_unref_hashtable GHashTable *new_aps = NULL; - gboolean compat; - const char * return_sig; - static uint32_t ap_id = 0; - gint64 last_seen_msec; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant) { - _LOGE(LOGD_WIFI, "Station.GetOrderedNetworks failed: %s", error->message); - return; - } - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - /* Depending on whether we're using the Station interface or the Device - * interface for compatibility with IWD <= 0.7, the return signature of - * GetOrderedNetworks will be different. - */ - compat = priv->dbus_station_proxy == priv->dbus_device_proxy; - return_sig = compat ? "(a(osns))" : "(a(on))"; - - if (!g_variant_is_of_type(variant, G_VARIANT_TYPE(return_sig))) { - _LOGE(LOGD_WIFI, - "Station.GetOrderedNetworks returned type %s instead of %s", - g_variant_get_type_string(variant), - return_sig); - return; - } - - new_aps = g_hash_table_new_full(nm_direct_hash, NULL, NULL, g_object_unref); - - g_variant_get(variant, return_sig, &networks); - - last_seen_msec = nm_utils_get_monotonic_timestamp_msec(); - if (compat) { - while (g_variant_iter_next(networks, "(&o&sn&s)", &path, &name, &signal, &type)) - insert_ap_from_network(self, new_aps, path, last_seen_msec, signal, ap_id++); - } else { - while (g_variant_iter_next(networks, "(&on)", &path, &signal)) - insert_ap_from_network(self, new_aps, path, last_seen_msec, signal, ap_id++); - } - - g_variant_iter_free(networks); - - c_list_for_each_entry_safe (ap, ap_safe, &priv->aps_lst_head, aps_lst) { - new_ap = g_hash_table_lookup(new_aps, nm_wifi_ap_get_supplicant_path(ap)); - if (new_ap) { - if (nm_wifi_ap_set_strength(ap, nm_wifi_ap_get_strength(new_ap))) { - _ap_dump(self, LOGL_TRACE, ap, "updated"); - changed = TRUE; - } - g_hash_table_remove(new_aps, nm_wifi_ap_get_supplicant_path(ap)); - continue; - } - - if (ap == priv->current_ap) { - /* Normally IWD will prevent the current AP from being - * removed from the list and set a low signal strength, - * but just making sure. - */ - continue; - } - - ap_add_remove(self, FALSE, ap, FALSE); - changed = TRUE; - } - - g_hash_table_iter_init(&ap_iter, new_aps); - while (g_hash_table_iter_next(&ap_iter, NULL, (gpointer) &ap)) { - ap_add_remove(self, TRUE, ap, FALSE); - g_hash_table_iter_remove(&ap_iter); - changed = TRUE; - } - - if (changed) { - nm_device_emit_recheck_auto_activate(NM_DEVICE(self)); - nm_device_recheck_available_connections(NM_DEVICE(self)); - } -} - -static void -update_aps(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (!priv->cancellable) - priv->cancellable = g_cancellable_new(); - - g_dbus_proxy_call(priv->dbus_station_proxy, - "GetOrderedNetworks", - NULL, - G_DBUS_CALL_FLAGS_NONE, - 2000, - priv->cancellable, - get_ordered_networks_cb, - self); -} - -static void -send_disconnect(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - g_dbus_proxy_call(priv->dbus_station_proxy, - "Disconnect", - NULL, - G_DBUS_CALL_FLAGS_NONE, - -1, - NULL, - NULL, - NULL); -} - -static void -wifi_secrets_cancel(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (priv->wifi_secrets_id) - nm_act_request_cancel_secrets(NULL, priv->wifi_secrets_id); - nm_assert(!priv->wifi_secrets_id); -} - -static void -cleanup_association_attempt(NMDeviceIwd *self, gboolean disconnect) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - wifi_secrets_cancel(self); - - set_current_ap(self, NULL, TRUE); - - if (disconnect && priv->dbus_station_proxy) - send_disconnect(self); -} - -static void -reset_mode(NMDeviceIwd * self, - GCancellable * cancellable, - GAsyncReadyCallback callback, - gpointer user_data) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - g_dbus_proxy_call( - priv->dbus_device_proxy, - DBUS_INTERFACE_PROPERTIES ".Set", - g_variant_new("(ssv)", NM_IWD_DEVICE_INTERFACE, "Mode", g_variant_new_string("station")), - G_DBUS_CALL_FLAGS_NONE, - 2000, - cancellable, - callback, - user_data); -} - -static void -deactivate(NMDevice *device) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (!priv->dbus_obj) - return; - - cleanup_association_attempt(self, TRUE); - priv->act_mode_switch = FALSE; - - if (!priv->dbus_station_proxy) - reset_mode(self, NULL, NULL, NULL); -} - -static void -disconnect_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - gs_unref_object NMDeviceIwd *self = NULL; - NMDeviceDeactivateCallback callback; - gpointer callback_user_data; - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - - nm_utils_user_data_unpack(user_data, &self, &callback, &callback_user_data); - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - callback(NM_DEVICE(self), error, callback_user_data); -} - -static void -disconnect_cb_on_idle(gpointer user_data, GCancellable *cancellable) -{ - gs_unref_object NMDeviceIwd *self = NULL; - NMDeviceDeactivateCallback callback; - gpointer callback_user_data; - gs_free_error GError *cancelled_error = NULL; - - nm_utils_user_data_unpack(user_data, &self, &callback, &callback_user_data); - - g_cancellable_set_error_if_cancelled(cancellable, &cancelled_error); - callback(NM_DEVICE(self), cancelled_error, callback_user_data); -} - -static void -deactivate_async(NMDevice * device, - GCancellable * cancellable, - NMDeviceDeactivateCallback callback, - gpointer callback_user_data) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - gpointer user_data; - - nm_assert(G_IS_CANCELLABLE(cancellable)); - nm_assert(callback); - - user_data = nm_utils_user_data_pack(g_object_ref(self), callback, callback_user_data); - - if (!priv->dbus_obj) { - nm_utils_invoke_on_idle(cancellable, disconnect_cb_on_idle, user_data); - return; - } - - cleanup_association_attempt(self, FALSE); - priv->act_mode_switch = FALSE; - - if (priv->dbus_station_proxy) { - g_dbus_proxy_call(priv->dbus_station_proxy, - "Disconnect", - NULL, - G_DBUS_CALL_FLAGS_NONE, - -1, - cancellable, - disconnect_cb, - user_data); - } else - reset_mode(self, cancellable, disconnect_cb, user_data); -} - -static gboolean -is_connection_known_network(NMConnection *connection) -{ - NMSettingWireless * s_wireless; - NMIwdNetworkSecurity security; - gboolean security_ok; - GBytes * ssid; - gs_free char * ssid_utf8 = NULL; - - s_wireless = nm_connection_get_setting_wireless(connection); - if (!s_wireless) - return FALSE; - - ssid = nm_setting_wireless_get_ssid(s_wireless); - if (!ssid) - return FALSE; - - ssid_utf8 = _nm_utils_ssid_to_utf8(ssid); - - security = nm_wifi_connection_get_iwd_security(connection, &security_ok); - if (!security_ok) - return FALSE; - - return nm_iwd_manager_is_known_network(nm_iwd_manager_get(), ssid_utf8, security); -} - -static gboolean -is_ap_known_network(NMWifiAP *ap) -{ - gs_unref_object GDBusProxy *network_proxy = NULL; - gs_unref_variant GVariant *known_network = NULL; - - network_proxy = - nm_iwd_manager_get_dbus_interface(nm_iwd_manager_get(), - nm_ref_string_get_str(nm_wifi_ap_get_supplicant_path(ap)), - NM_IWD_NETWORK_INTERFACE); - if (!network_proxy) - return FALSE; - - known_network = g_dbus_proxy_get_cached_property(network_proxy, "KnownNetwork"); - return nm_g_variant_is_of_type(known_network, G_VARIANT_TYPE_OBJECT_PATH); -} - -static gboolean -check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate * priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMSettingWireless * s_wireless; - const char * mac; - const char *const * mac_blacklist; - int i; - const char * perm_hw_addr; - const char * mode; - NMIwdNetworkSecurity security; - gboolean mapped; - - if (!NM_DEVICE_CLASS(nm_device_iwd_parent_class) - ->check_connection_compatible(device, connection, error)) - return FALSE; - - s_wireless = nm_connection_get_setting_wireless(connection); - - perm_hw_addr = nm_device_get_permanent_hw_address(device); - mac = nm_setting_wireless_get_mac_address(s_wireless); - if (perm_hw_addr) { - if (mac && !nm_utils_hwaddr_matches(mac, -1, perm_hw_addr, -1)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "device MAC address does not match the profile"); - return FALSE; - } - - /* Check for MAC address blacklist */ - mac_blacklist = nm_setting_wireless_get_mac_address_blacklist(s_wireless); - for (i = 0; mac_blacklist[i]; i++) { - nm_assert(nm_utils_hwaddr_valid(mac_blacklist[i], ETH_ALEN)); - - if (nm_utils_hwaddr_matches(mac_blacklist[i], -1, perm_hw_addr, -1)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "MAC address blacklisted"); - return FALSE; - } - } - } else if (mac) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "device has no valid MAC address as required by profile"); - return FALSE; - } - - security = nm_wifi_connection_get_iwd_security(connection, &mapped); - if (!mapped) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "connection authentication type not supported by IWD backend"); - return FALSE; - } - - mode = nm_setting_wireless_get_mode(s_wireless); - - /* Hidden SSIDs only supported in client mode */ - if (nm_setting_wireless_get_hidden(s_wireless) - && !NM_IN_STRSET(mode, NULL, NM_SETTING_WIRELESS_MODE_INFRA)) { - nm_utils_error_set_literal( - error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "non-infrastructure hidden networks not supported by the IWD backend"); - return FALSE; - } - - if (NM_IN_STRSET(mode, NULL, NM_SETTING_WIRELESS_MODE_INFRA)) { - /* 8021x networks can only be used if they've been provisioned on the IWD side and - * thus are Known Networks. - */ - if (security == NM_IWD_NETWORK_SECURITY_8021X) { - if (!is_connection_known_network(connection)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "802.1x connections must have IWD provisioning files"); - return FALSE; - } - } else if (!NM_IN_SET(security, - NM_IWD_NETWORK_SECURITY_NONE, - NM_IWD_NETWORK_SECURITY_PSK)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "IWD backend only supports Open, PSK and 802.1x network " - "authentication in Infrastructure mode"); - return FALSE; - } - } else if (nm_streq(mode, NM_SETTING_WIRELESS_MODE_AP)) { - if (!(priv->capabilities & NM_WIFI_DEVICE_CAP_AP)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "device does not support Access Point mode"); - return FALSE; - } - - if (!NM_IN_SET(security, NM_IWD_NETWORK_SECURITY_PSK)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "IWD backend only supports PSK authentication in AP mode"); - return FALSE; - } - } else if (nm_streq(mode, NM_SETTING_WIRELESS_MODE_ADHOC)) { - if (!(priv->capabilities & NM_WIFI_DEVICE_CAP_ADHOC)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "device does not support Ad-Hoc mode"); - return FALSE; - } - - if (!NM_IN_SET(security, NM_IWD_NETWORK_SECURITY_NONE, NM_IWD_NETWORK_SECURITY_PSK)) { - nm_utils_error_set_literal( - error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "IWD backend only supports Open and PSK authentication in Ad-Hoc mode"); - return FALSE; - } - } else { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "%s type profiles not supported by IWD backend"); - return FALSE; - } - - return TRUE; -} - -static gboolean -check_connection_available(NMDevice * device, - NMConnection * connection, - NMDeviceCheckConAvailableFlags flags, - const char * specific_object, - GError ** error) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMSettingWireless * s_wifi; - const char * mode; - NMWifiAP * ap = NULL; - - s_wifi = nm_connection_get_setting_wireless(connection); - g_return_val_if_fail(s_wifi, FALSE); - - /* a connection that is available for a certain @specific_object, MUST - * also be available in general (without @specific_object). */ - - if (specific_object) { - ap = nm_wifi_ap_lookup_for_device(NM_DEVICE(self), specific_object); - if (!ap) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "requested access point not found"); - return FALSE; - } - if (!nm_wifi_ap_check_compatible(ap, connection)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "requested access point is not compatible with profile"); - return FALSE; - } - } - - /* AP and Ad-Hoc connections can be activated independent of the scan list */ - mode = nm_setting_wireless_get_mode(s_wifi); - if (NM_IN_STRSET(mode, NM_SETTING_WIRELESS_MODE_AP, NM_SETTING_WIRELESS_MODE_ADHOC)) - return TRUE; - - if (NM_FLAGS_HAS(flags, _NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST_IGNORE_AP)) - return TRUE; - - if (!ap) - ap = nm_wifi_aps_find_first_compatible(&priv->aps_lst_head, connection); - - if (!ap) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "no compatible access point found"); - return FALSE; - } - - /* 8021x networks can only be used if they've been provisioned on the IWD side and - * thus are Known Networks. - */ - if (nm_wifi_connection_get_iwd_security(connection, NULL) == NM_IWD_NETWORK_SECURITY_8021X) { - if (!is_ap_known_network(ap)) { - nm_utils_error_set_literal( - error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "802.1x network is not an IWD Known Network (missing provisioning file?)"); - return FALSE; - } - } - - return TRUE; -} - -static gboolean -complete_connection(NMDevice * device, - NMConnection * connection, - const char * specific_object, - NMConnection *const *existing_connections, - GError ** error) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMSettingWireless * s_wifi; - gs_free char * ssid_utf8 = NULL; - NMWifiAP * ap; - GBytes * ssid; - GBytes * setting_ssid = NULL; - gboolean hidden = FALSE; - const char * mode; - - s_wifi = nm_connection_get_setting_wireless(connection); - - mode = s_wifi ? nm_setting_wireless_get_mode(s_wifi) : NULL; - - if (nm_streq0(mode, NM_SETTING_WIRELESS_MODE_AP)) { - if (!nm_setting_verify(NM_SETTING(s_wifi), connection, error)) - return FALSE; - ap = NULL; - } else if (!specific_object) { - /* If not given a specific object, we need at minimum an SSID */ - if (!s_wifi) { - g_set_error_literal(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "A 'wireless' setting is required if no AP path was given."); - return FALSE; - } - - setting_ssid = nm_setting_wireless_get_ssid(s_wifi); - if (!setting_ssid || g_bytes_get_size(setting_ssid) == 0) { - g_set_error_literal( - error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "A 'wireless' setting with a valid SSID is required if no AP path was given."); - return FALSE; - } - - /* Find a compatible AP in the scan list */ - ap = nm_wifi_aps_find_first_compatible(&priv->aps_lst_head, connection); - if (!ap) { - /* If we still don't have an AP, then the WiFI settings needs to be - * fully specified by the client. Might not be able to find an AP - * if the network isn't broadcasting the SSID for example. - */ - if (!nm_setting_verify(NM_SETTING(s_wifi), connection, error)) - return FALSE; - - hidden = TRUE; - } - } else { - ap = nm_wifi_ap_lookup_for_device(NM_DEVICE(self), specific_object); - if (!ap) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_SPECIFIC_OBJECT_NOT_FOUND, - "The access point %s was not in the scan list.", - specific_object); - return FALSE; - } - } - - /* Add a wifi setting if one doesn't exist yet */ - if (!s_wifi) { - s_wifi = (NMSettingWireless *) nm_setting_wireless_new(); - nm_connection_add_setting(connection, NM_SETTING(s_wifi)); - } - - ssid = nm_setting_wireless_get_ssid(s_wifi); - if (!ssid && ap) - ssid = nm_wifi_ap_get_ssid(ap); - - if (!ssid) { - g_set_error_literal(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "A 'wireless' setting with a valid SSID is required."); - return FALSE; - } - - if (ap) { - if (!nm_wifi_ap_complete_connection(ap, - connection, - nm_wifi_utils_is_manf_default_ssid(ssid), - error)) - return FALSE; - } - - ssid_utf8 = _nm_utils_ssid_to_utf8(ssid); - nm_utils_complete_generic( - nm_device_get_platform(device), - connection, - NM_SETTING_WIRELESS_SETTING_NAME, - existing_connections, - ssid_utf8, - ssid_utf8, - NULL, - nm_setting_wireless_get_mac_address(s_wifi) ? NULL : nm_device_get_iface(device), - TRUE); - - if (hidden) - g_object_set(s_wifi, NM_SETTING_WIRELESS_HIDDEN, TRUE, NULL); - - return TRUE; -} - -static gboolean -get_variant_boolean(GVariant *v, const char *property) -{ - if (!v || !g_variant_is_of_type(v, G_VARIANT_TYPE_BOOLEAN)) { - nm_log_warn(LOGD_DEVICE | LOGD_WIFI, - "Property %s not cached or not boolean type", - property); - - return FALSE; - } - - return g_variant_get_boolean(v); -} - -static const char * -get_variant_state(GVariant *v) -{ - if (!v || !g_variant_is_of_type(v, G_VARIANT_TYPE_STRING)) { - nm_log_warn(LOGD_DEVICE | LOGD_WIFI, "State property not cached or not a string"); - - return "unknown"; - } - - return g_variant_get_string(v, NULL); -} - -static gboolean -is_available(NMDevice *device, NMDeviceCheckDevAvailableFlags flags) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDeviceState state = nm_device_get_state(device); - - /* Available if either the device is UP and in station mode - * or in AP/Ad-Hoc modes while activating or activated. Device - * may be temporarily DOWN while activating or deactivating and - * we don't want it to be marked unavailable because of this. - * - * For reference: - * We call nm_device_queue_recheck_available whenever - * priv->enabled changes or priv->dbus_station_proxy changes. - */ - return priv->dbus_obj && priv->enabled - && (priv->dbus_station_proxy - || (state >= NM_DEVICE_STATE_CONFIG && state <= NM_DEVICE_STATE_DEACTIVATING)); -} - -static gboolean -get_autoconnect_allowed(NMDevice *device) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(NM_DEVICE_IWD(device)); - - return priv->can_connect; -} - -static gboolean -can_auto_connect(NMDevice *device, NMSettingsConnection *sett_conn, char **specific_object) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMConnection * connection; - NMSettingWireless * s_wifi; - NMWifiAP * ap; - const char * mode; - guint64 timestamp = 0; - - nm_assert(!specific_object || !*specific_object); - - if (!NM_DEVICE_CLASS(nm_device_iwd_parent_class)->can_auto_connect(device, sett_conn, NULL)) - return FALSE; - - connection = nm_settings_connection_get_connection(sett_conn); - - s_wifi = nm_connection_get_setting_wireless(connection); - g_return_val_if_fail(s_wifi, FALSE); - - /* Don't auto-activate AP or Ad-Hoc connections. - * Note the wpa_supplicant backend has the opposite policy. - */ - mode = nm_setting_wireless_get_mode(s_wifi); - if (mode && g_strcmp0(mode, NM_SETTING_WIRELESS_MODE_INFRA) != 0) - return FALSE; - - /* Don't autoconnect to networks that have been tried at least once - * but haven't been successful, since these are often accidental choices - * from the menu and the user may not know the password. - */ - if (nm_settings_connection_get_timestamp(sett_conn, ×tamp)) { - if (timestamp == 0) - return FALSE; - } - - ap = nm_wifi_aps_find_first_compatible(&priv->aps_lst_head, connection); - if (ap) { - /* All good; connection is usable */ - NM_SET_OUT(specific_object, g_strdup(nm_dbus_object_get_path(NM_DBUS_OBJECT(ap)))); - return TRUE; - } - - return FALSE; -} - -const CList * -_nm_device_iwd_get_aps(NMDeviceIwd *self) -{ - return &NM_DEVICE_IWD_GET_PRIVATE(self)->aps_lst_head; -} - -static void -scan_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv; - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant && nm_utils_error_is_cancelled(error)) - return; - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - priv->scan_requested = FALSE; - priv->last_scan = nm_utils_get_monotonic_timestamp_msec(); - _notify(self, PROP_LAST_SCAN); - - /* On success, priv->scanning becomes true right before or right - * after this callback, so the next automatic scan will be - * scheduled when priv->scanning goes back to false. On error, - * schedule a retry now. - */ - if (error && !priv->scanning) - schedule_periodic_scan(self, FALSE); -} - -static void -dbus_request_scan_cb(NMDevice * device, - GDBusMethodInvocation *context, - NMAuthSubject * subject, - GError * error, - gpointer user_data) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv; - gs_unref_variant GVariant *scan_options = user_data; - - if (error) { - g_dbus_method_invocation_return_gerror(context, error); - return; - } - - if (check_scanning_prohibited(self, FALSE)) { - g_dbus_method_invocation_return_error_literal(context, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_NOT_ALLOWED, - "Scanning not allowed at this time"); - return; - } - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (!priv->can_scan) { - g_dbus_method_invocation_return_error_literal(context, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_NOT_ALLOWED, - "Scanning not allowed while unavailable"); - return; - } - - if (scan_options) { - gs_unref_variant GVariant *val = g_variant_lookup_value(scan_options, "ssids", NULL); - - if (val) { - g_dbus_method_invocation_return_error_literal(context, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_NOT_ALLOWED, - "'ssid' scan option not supported"); - return; - } - } - - if (!priv->scanning && !priv->scan_requested) { - g_dbus_proxy_call(priv->dbus_station_proxy, - "Scan", - NULL, - G_DBUS_CALL_FLAGS_NONE, - -1, - priv->cancellable, - scan_cb, - self); - priv->scan_requested = TRUE; - } - - g_dbus_method_invocation_return_value(context, NULL); -} - -void -_nm_device_iwd_request_scan(NMDeviceIwd *self, GVariant *options, GDBusMethodInvocation *invocation) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - - if (!priv->can_scan) { - g_dbus_method_invocation_return_error_literal(invocation, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_NOT_ALLOWED, - "Scanning not allowed while unavailable"); - return; - } - - nm_device_auth_request(device, - invocation, - NULL, - NM_AUTH_PERMISSION_WIFI_SCAN, - TRUE, - NULL, - dbus_request_scan_cb, - nm_g_variant_ref(options)); -} - -static gboolean -check_scanning_prohibited(NMDeviceIwd *self, gboolean periodic) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - g_return_val_if_fail(priv->dbus_obj != NULL, TRUE); - - switch (nm_device_get_state(NM_DEVICE(self))) { - case NM_DEVICE_STATE_UNKNOWN: - case NM_DEVICE_STATE_UNMANAGED: - case NM_DEVICE_STATE_UNAVAILABLE: - case NM_DEVICE_STATE_PREPARE: - case NM_DEVICE_STATE_CONFIG: - case NM_DEVICE_STATE_NEED_AUTH: - case NM_DEVICE_STATE_IP_CONFIG: - case NM_DEVICE_STATE_IP_CHECK: - case NM_DEVICE_STATE_SECONDARIES: - case NM_DEVICE_STATE_DEACTIVATING: - /* Prohibit scans when unusable or activating */ - return TRUE; - case NM_DEVICE_STATE_DISCONNECTED: - case NM_DEVICE_STATE_FAILED: - case NM_DEVICE_STATE_ACTIVATED: - break; - } - - /* Prohibit scans if IWD is busy */ - return !priv->can_scan; -} - -/* - * try_reply_agent_request - * - * Check if the connection settings already have the secrets corresponding - * to the IWD agent method that was invoked. If they do, send the method reply - * with the appropriate secrets. Otherwise, return the missing secret's setting - * name and key so the caller can send a NM secrets request with this data. - * Return TRUE in either case, return FALSE if an error is detected. - */ -static gboolean -try_reply_agent_request(NMDeviceIwd * self, - NMConnection * connection, - GDBusMethodInvocation *invocation, - const char ** setting_name, - const char ** setting_key, - gboolean * replied) -{ - const char * method_name = g_dbus_method_invocation_get_method_name(invocation); - NMSettingWirelessSecurity *s_wireless_sec; - NMSetting8021x * s_8021x; - - s_wireless_sec = nm_connection_get_setting_wireless_security(connection); - s_8021x = nm_connection_get_setting_802_1x(connection); - - *replied = FALSE; - - if (nm_streq(method_name, "RequestPassphrase")) { - const char *psk; - - if (!s_wireless_sec) - return FALSE; - - psk = nm_setting_wireless_security_get_psk(s_wireless_sec); - if (psk) { - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Returning the PSK to the IWD Agent"); - - g_dbus_method_invocation_return_value(invocation, g_variant_new("(s)", psk)); - *replied = TRUE; - return TRUE; - } - - *setting_name = NM_SETTING_WIRELESS_SECURITY_SETTING_NAME; - *setting_key = NM_SETTING_WIRELESS_SECURITY_PSK; - return TRUE; - } else if (nm_streq(method_name, "RequestPrivateKeyPassphrase")) { - const char *password; - - if (!s_8021x) - return FALSE; - - password = nm_setting_802_1x_get_private_key_password(s_8021x); - if (password) { - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Returning the private key password to the IWD Agent"); - - g_dbus_method_invocation_return_value(invocation, g_variant_new("(s)", password)); - *replied = TRUE; - return TRUE; - } - - *setting_name = NM_SETTING_802_1X_SETTING_NAME; - *setting_key = NM_SETTING_802_1X_PRIVATE_KEY_PASSWORD; - return TRUE; - } else if (nm_streq(method_name, "RequestUserNameAndPassword")) { - const char *identity, *password; - - if (!s_8021x) - return FALSE; - - identity = nm_setting_802_1x_get_identity(s_8021x); - password = nm_setting_802_1x_get_password(s_8021x); - if (identity && password) { - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Returning the username and password to the IWD Agent"); - - g_dbus_method_invocation_return_value(invocation, - g_variant_new("(ss)", identity, password)); - *replied = TRUE; - return TRUE; - } - - *setting_name = NM_SETTING_802_1X_SETTING_NAME; - if (!identity) - *setting_key = NM_SETTING_802_1X_IDENTITY; - else - *setting_key = NM_SETTING_802_1X_PASSWORD; - return TRUE; - } else if (nm_streq(method_name, "RequestUserPassword")) { - const char *password; - - if (!s_8021x) - return FALSE; - - password = nm_setting_802_1x_get_password(s_8021x); - if (password) { - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Returning the user password to the IWD Agent"); - - g_dbus_method_invocation_return_value(invocation, g_variant_new("(s)", password)); - *replied = TRUE; - return TRUE; - } - - *setting_name = NM_SETTING_802_1X_SETTING_NAME; - *setting_key = NM_SETTING_802_1X_PASSWORD; - return TRUE; - } else - return FALSE; -} - -static void wifi_secrets_get_one(NMDeviceIwd * self, - const char * setting_name, - NMSecretAgentGetSecretsFlags flags, - const char * setting_key, - GDBusMethodInvocation * invocation); - -static void -wifi_secrets_cb(NMActRequest * req, - NMActRequestGetSecretsCallId *call_id, - NMSettingsConnection * s_connection, - GError * error, - gpointer user_data) -{ - NMDeviceIwd * self; - NMDeviceIwdPrivate * priv; - NMDevice * device; - GDBusMethodInvocation * invocation; - const char * setting_name; - const char * setting_key; - gboolean replied; - NMSecretAgentGetSecretsFlags get_secret_flags = - NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; - - nm_utils_user_data_unpack(user_data, &self, &invocation); - - g_return_if_fail(NM_IS_DEVICE_IWD(self)); - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - device = NM_DEVICE(self); - - g_return_if_fail(priv->wifi_secrets_id == call_id); - - priv->wifi_secrets_id = NULL; - - if (nm_utils_error_is_cancelled(error)) { - g_dbus_method_invocation_return_error_literal(invocation, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "NM secrets request cancelled"); - return; - } - - g_return_if_fail(req == nm_device_get_act_request(device)); - g_return_if_fail(nm_act_request_get_settings_connection(req) == s_connection); - - if (nm_device_get_state(device) != NM_DEVICE_STATE_NEED_AUTH) - goto secrets_error; - - if (error) { - _LOGW(LOGD_WIFI, "%s", error->message); - goto secrets_error; - } - - if (!try_reply_agent_request(self, - nm_act_request_get_applied_connection(req), - invocation, - &setting_name, - &setting_key, - &replied)) - goto secrets_error; - - if (replied) { - /* Change state back to what it was before NEED_AUTH */ - nm_device_state_changed(device, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_REASON_NONE); - return; - } - - if (nm_settings_connection_get_timestamp(nm_act_request_get_settings_connection(req), NULL)) - get_secret_flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW; - - /* Request further secrets if we still need something */ - wifi_secrets_get_one(self, setting_name, get_secret_flags, setting_key, invocation); - return; - -secrets_error: - g_dbus_method_invocation_return_error_literal(invocation, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "NM secrets request failed"); - /* Now wait for the Connect callback to update device state */ -} - -static void -wifi_secrets_get_one(NMDeviceIwd * self, - const char * setting_name, - NMSecretAgentGetSecretsFlags flags, - const char * setting_key, - GDBusMethodInvocation * invocation) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMActRequest * req; - - wifi_secrets_cancel(self); - - req = nm_device_get_act_request(NM_DEVICE(self)); - g_return_if_fail(NM_IS_ACT_REQUEST(req)); - - priv->wifi_secrets_id = nm_act_request_get_secrets(req, - TRUE, - setting_name, - flags, - NM_MAKE_STRV(setting_key), - wifi_secrets_cb, - nm_utils_user_data_pack(self, invocation)); -} - -static void -network_connect_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDevice * device = NM_DEVICE(self); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - NMConnection * connection; - NMSettingWireless * s_wifi; - GBytes * ssid; - gs_free char * ssid_utf8 = NULL; - NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED; - GVariant * value; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant) { - gs_free char *dbus_error = NULL; - - /* Connection failed; radio problems or if the network wasn't - * open, the passwords or certificates may be wrong. - */ - - _LOGE(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) Network.Connect failed: %s", - error->message); - - if (nm_utils_error_is_cancelled(error)) - return; - - if (!NM_IN_SET(nm_device_get_state(device), - NM_DEVICE_STATE_CONFIG, - NM_DEVICE_STATE_NEED_AUTH)) - return; - - connection = nm_device_get_applied_connection(device); - if (!connection) - goto failed; - - if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR)) - dbus_error = g_dbus_error_get_remote_error(error); - - if (nm_streq0(dbus_error, "net.connman.iwd.Failed")) { - nm_connection_clear_secrets(connection); - - /* If secrets were wrong, we'd be getting a net.connman.iwd.Failed */ - reason = NM_DEVICE_STATE_REASON_NO_SECRETS; - } else if (nm_streq0(dbus_error, "net.connman.iwd.Aborted")) { - /* If agent call was cancelled we'd be getting a net.connman.iwd.Aborted */ - reason = NM_DEVICE_STATE_REASON_NO_SECRETS; - } - - goto failed; - } - - nm_assert(nm_device_get_state(device) == NM_DEVICE_STATE_CONFIG); - - connection = nm_device_get_applied_connection(device); - if (!connection) - goto failed; - - s_wifi = nm_connection_get_setting_wireless(connection); - if (!s_wifi) - goto failed; - - ssid = nm_setting_wireless_get_ssid(s_wifi); - if (!ssid) - goto failed; - - ssid_utf8 = _nm_utils_ssid_to_utf8(ssid); - - _LOGI(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to '%s'.", - ssid_utf8); - nm_device_activate_schedule_stage3_ip_config_start(device); - - return; - -failed: - /* Call Disconnect to make sure IWD's autoconnect is disabled */ - cleanup_association_attempt(self, TRUE); - - nm_device_queue_state(device, NM_DEVICE_STATE_FAILED, reason); - - value = g_dbus_proxy_get_cached_property(priv->dbus_station_proxy, "State"); - if (!priv->can_connect && nm_streq0(get_variant_state(value), "disconnected")) { - priv->can_connect = true; - nm_device_emit_recheck_auto_activate(device); - } - g_variant_unref(value); -} - -static void -act_failed_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDevice * device = NM_DEVICE(self); - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant && nm_utils_error_is_cancelled(error)) - return; - - /* Change state to FAILED unless already done by state_changed - * which may have been triggered by the station interface - * appearing on DBus. - */ - if (nm_device_get_state(device) == NM_DEVICE_STATE_CONFIG) - nm_device_queue_state(device, - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); -} - -static void -act_start_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - NMSettingWireless * s_wireless; - GBytes * ssid; - gs_free char * ssid_utf8 = NULL; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant) { - _LOGE(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) Network.Connect failed: %s", - error->message); - - if (nm_utils_error_is_cancelled(error)) - return; - - if (!NM_IN_SET(nm_device_get_state(device), NM_DEVICE_STATE_CONFIG)) - return; - - goto error; - } - - nm_assert(nm_device_get_state(device) == NM_DEVICE_STATE_CONFIG); - - s_wireless = nm_device_get_applied_setting(device, NM_TYPE_SETTING_WIRELESS); - if (!s_wireless) - goto error; - - ssid = nm_setting_wireless_get_ssid(s_wireless); - if (!ssid) - goto error; - - ssid_utf8 = _nm_utils_ssid_to_utf8(ssid); - - _LOGI(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Started '%s'.", - ssid_utf8); - - nm_device_activate_schedule_stage3_ip_config_start(device); - return; - -error: - reset_mode(self, priv->cancellable, act_failed_cb, self); -} - -/* Check if we're activating an AP/AdHoc connection and if the target - * DBus interface has appeared already. If so proceed to call Start or - * StartOpen on that interface. - */ -static void -act_check_interface(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate * priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - NMSettingWireless * s_wireless; - NMSettingWirelessSecurity *s_wireless_sec; - GDBusProxy * proxy = NULL; - GBytes * ssid; - gs_free char * ssid_utf8 = NULL; - const char * mode; - - if (!priv->act_mode_switch) - return; - - s_wireless = - (NMSettingWireless *) nm_device_get_applied_setting(device, NM_TYPE_SETTING_WIRELESS); - - mode = nm_setting_wireless_get_mode(s_wireless); - if (nm_streq0(mode, NM_SETTING_WIRELESS_MODE_AP)) - proxy = priv->dbus_ap_proxy; - else if (nm_streq0(mode, NM_SETTING_WIRELESS_MODE_ADHOC)) - proxy = priv->dbus_adhoc_proxy; - - if (!proxy) - return; - - priv->act_mode_switch = FALSE; - - if (!NM_IN_SET(nm_device_get_state(device), NM_DEVICE_STATE_CONFIG)) - return; - - ssid = nm_setting_wireless_get_ssid(s_wireless); - if (!ssid) - goto failed; - - ssid_utf8 = _nm_utils_ssid_to_utf8(ssid); - - s_wireless_sec = (NMSettingWirelessSecurity *) nm_device_get_applied_setting( - device, - NM_TYPE_SETTING_WIRELESS_SECURITY); - - if (!s_wireless_sec) { - g_dbus_proxy_call(proxy, - "StartOpen", - g_variant_new("(s)", ssid_utf8), - G_DBUS_CALL_FLAGS_NONE, - G_MAXINT, - priv->cancellable, - act_start_cb, - self); - } else { - const char *psk = nm_setting_wireless_security_get_psk(s_wireless_sec); - - if (!psk) { - _LOGE(LOGD_DEVICE | LOGD_WIFI, "Activation: (wifi) No PSK for '%s'.", ssid_utf8); - goto failed; - } - - g_dbus_proxy_call(proxy, - "Start", - g_variant_new("(ss)", ssid_utf8, psk), - G_DBUS_CALL_FLAGS_NONE, - G_MAXINT, - priv->cancellable, - act_start_cb, - self); - } - - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Activation: (wifi) Called Start('%s').", ssid_utf8); - return; - -failed: - reset_mode(self, priv->cancellable, act_failed_cb, self); -} - -static void -act_set_mode_cb(GObject *source, GAsyncResult *res, gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - gs_unref_variant GVariant *variant = NULL; - gs_free_error GError *error = NULL; - - variant = g_dbus_proxy_call_finish(G_DBUS_PROXY(source), res, &error); - if (!variant) { - _LOGE(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) Setting Device.Mode failed: %s", - error->message); - - if (nm_utils_error_is_cancelled(error)) - return; - - if (!NM_IN_SET(nm_device_get_state(device), NM_DEVICE_STATE_CONFIG) - || !priv->act_mode_switch) - return; - - priv->act_mode_switch = FALSE; - nm_device_queue_state(device, - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - return; - } - - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Activation: (wifi) IWD Device.Mode set successfully"); - - act_check_interface(self); -} - -static void -act_set_mode(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - const char * iwd_mode; - const char * mode; - NMSettingWireless * s_wireless; - - s_wireless = - (NMSettingWireless *) nm_device_get_applied_setting(device, NM_TYPE_SETTING_WIRELESS); - mode = nm_setting_wireless_get_mode(s_wireless); - - /* We need to first set interface mode (Device.Mode) to ap or ad-hoc. - * We can't directly queue a call to the Start/StartOpen method on - * the DBus interface that's going to be created after the property - * set call returns. - */ - iwd_mode = nm_streq(mode, NM_SETTING_WIRELESS_MODE_AP) ? "ap" : "ad-hoc"; - - if (!priv->cancellable) - priv->cancellable = g_cancellable_new(); - - g_dbus_proxy_call( - priv->dbus_device_proxy, - DBUS_INTERFACE_PROPERTIES ".Set", - g_variant_new("(ssv)", NM_IWD_DEVICE_INTERFACE, "Mode", g_variant_new("s", iwd_mode)), - G_DBUS_CALL_FLAGS_NONE, - 2000, - priv->cancellable, - act_set_mode_cb, - self); - priv->act_mode_switch = TRUE; -} - -static void -act_psk_cb(NMActRequest * req, - NMActRequestGetSecretsCallId *call_id, - NMSettingsConnection * s_connection, - GError * error, - gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv; - NMDevice * device; - - if (nm_utils_error_is_cancelled(error)) - return; - - priv = NM_DEVICE_IWD_GET_PRIVATE(self); - device = NM_DEVICE(self); - - g_return_if_fail(priv->wifi_secrets_id == call_id); - priv->wifi_secrets_id = NULL; - - g_return_if_fail(req == nm_device_get_act_request(device)); - g_return_if_fail(nm_act_request_get_settings_connection(req) == s_connection); - - if (nm_device_get_state(device) != NM_DEVICE_STATE_NEED_AUTH) - goto secrets_error; - - if (error) { - _LOGW(LOGD_WIFI, "%s", error->message); - goto secrets_error; - } - - _LOGD(LOGD_DEVICE | LOGD_WIFI, "Activation: (wifi) missing PSK request completed"); - - /* Change state back to what it was before NEED_AUTH */ - nm_device_state_changed(device, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_REASON_NONE); - act_set_mode(self); - return; - -secrets_error: - nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_NO_SECRETS); - cleanup_association_attempt(self, FALSE); -} - -static void -set_powered(NMDeviceIwd *self, gboolean powered) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - g_dbus_proxy_call( - priv->dbus_device_proxy, - DBUS_INTERFACE_PROPERTIES ".Set", - g_variant_new("(ssv)", NM_IWD_DEVICE_INTERFACE, "Powered", g_variant_new("b", powered)), - G_DBUS_CALL_FLAGS_NONE, - 2000, - NULL, - NULL, - NULL); -} - -/*****************************************************************************/ - -static NMActStageReturn -act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMWifiAP * ap = NULL; - gs_unref_object NMWifiAP *ap_fake = NULL; - NMActRequest * req; - NMConnection * connection; - NMSettingWireless * s_wireless; - const char * mode; - const char * ap_path; - - req = nm_device_get_act_request(device); - g_return_val_if_fail(req, NM_ACT_STAGE_RETURN_FAILURE); - - connection = nm_act_request_get_applied_connection(req); - g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); - - s_wireless = nm_connection_get_setting_wireless(connection); - g_return_val_if_fail(s_wireless, NM_ACT_STAGE_RETURN_FAILURE); - - /* AP mode never uses a specific object or existing scanned AP */ - mode = nm_setting_wireless_get_mode(s_wireless); - if (nm_streq0(mode, NM_SETTING_WIRELESS_MODE_AP)) - goto add_new; - - ap_path = nm_active_connection_get_specific_object(NM_ACTIVE_CONNECTION(req)); - ap = ap_path ? nm_wifi_ap_lookup_for_device(NM_DEVICE(self), ap_path) : NULL; - if (ap) { - set_current_ap(self, ap, TRUE); - return NM_ACT_STAGE_RETURN_SUCCESS; - } - - ap = nm_wifi_aps_find_first_compatible(&priv->aps_lst_head, connection); - if (ap) { - nm_active_connection_set_specific_object(NM_ACTIVE_CONNECTION(req), - nm_dbus_object_get_path(NM_DBUS_OBJECT(ap))); - set_current_ap(self, ap, TRUE); - return NM_ACT_STAGE_RETURN_SUCCESS; - } - - if (nm_streq0(mode, NM_SETTING_WIRELESS_MODE_INFRA)) { - /* Hidden networks not supported at this time */ - return NM_ACT_STAGE_RETURN_FAILURE; - } - -add_new: - /* If the user is trying to connect to an AP that NM doesn't yet know about - * (hidden network or something) or starting a Hotspot, create an fake AP - * from the security settings in the connection. This "fake" AP gets used - * until the real one is found in the scan list (Ad-Hoc or Hidden), or until - * the device is deactivated (Ad-Hoc or Hotspot). - */ - ap_fake = nm_wifi_ap_new_fake_from_connection(connection); - if (!ap_fake) - g_return_val_if_reached(NM_ACT_STAGE_RETURN_FAILURE); - - if (nm_wifi_ap_is_hotspot(ap_fake)) - nm_wifi_ap_set_address(ap_fake, nm_device_get_hw_address(device)); - - g_object_freeze_notify(G_OBJECT(self)); - ap_add_remove(self, TRUE, ap_fake, FALSE); - g_object_thaw_notify(G_OBJECT(self)); - set_current_ap(self, ap_fake, FALSE); - nm_active_connection_set_specific_object(NM_ACTIVE_CONNECTION(req), - nm_dbus_object_get_path(NM_DBUS_OBJECT(ap_fake))); - return NM_ACT_STAGE_RETURN_SUCCESS; -} - -static NMActStageReturn -act_stage2_config(NMDevice *device, NMDeviceStateReason *out_failure_reason) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMActRequest * req; - NMConnection * connection; - NMSettingWireless * s_wireless; - const char * mode; - - req = nm_device_get_act_request(device); - connection = nm_act_request_get_applied_connection(req); - s_wireless = nm_connection_get_setting_wireless(connection); - g_return_val_if_fail(s_wireless, NM_ACT_STAGE_RETURN_FAILURE); - - mode = nm_setting_wireless_get_mode(s_wireless); - - if (NM_IN_STRSET(mode, NULL, NM_SETTING_WIRELESS_MODE_INFRA)) { - gs_unref_object GDBusProxy *network_proxy = NULL; - NMWifiAP * ap = priv->current_ap; - - if (!ap) { - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - goto out_fail; - } - - /* 802.1x networks that are not IWD Known Networks will definitely - * fail, for other combinations we will let the Connect call fail - * or ask us for any missing secrets through the Agent. - */ - if (nm_connection_get_setting_802_1x(connection) && !is_ap_known_network(ap)) { - _LOGI(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) access point '%s' has 802.1x security but is not configured " - "in IWD.", - nm_connection_get_id(connection)); - - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_NO_SECRETS); - goto out_fail; - } - - if (!is_connection_known_network(connection) - && nm_setting_wireless_get_hidden(s_wireless)) { - gs_free char *ssid_str = NULL; - - /* Use Station.ConnectHiddenNetwork method instead of Network proxy. */ - ssid_str = _nm_utils_ssid_to_utf8(nm_setting_wireless_get_ssid(s_wireless)); - g_dbus_proxy_call(priv->dbus_station_proxy, - "ConnectHiddenNetwork", - g_variant_new("(s)", ssid_str), - G_DBUS_CALL_FLAGS_NONE, - G_MAXINT, - priv->cancellable, - network_connect_cb, - self); - return NM_ACT_STAGE_RETURN_POSTPONE; - } - - if (!nm_wifi_ap_get_supplicant_path(ap)) { - _LOGW(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) network is provisioned but dbus supplicant path for AP " - "unknown"); - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - goto out_fail; - } - - network_proxy = nm_iwd_manager_get_dbus_interface( - nm_iwd_manager_get(), - nm_ref_string_get_str(nm_wifi_ap_get_supplicant_path(ap)), - NM_IWD_NETWORK_INTERFACE); - if (!network_proxy) { - _LOGW(LOGD_DEVICE | LOGD_WIFI, - "Activation: (wifi) could not get Network interface proxy for %s", - nm_ref_string_get_str(nm_wifi_ap_get_supplicant_path(ap))); - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - goto out_fail; - } - - if (!priv->cancellable) - priv->cancellable = g_cancellable_new(); - - /* Call Network.Connect. No timeout because IWD already handles - * timeouts. - */ - g_dbus_proxy_call(network_proxy, - "Connect", - NULL, - G_DBUS_CALL_FLAGS_NONE, - G_MAXINT, - priv->cancellable, - network_connect_cb, - self); - - return NM_ACT_STAGE_RETURN_POSTPONE; - } - - if (NM_IN_STRSET(mode, NM_SETTING_WIRELESS_MODE_AP, NM_SETTING_WIRELESS_MODE_ADHOC)) { - NMSettingWirelessSecurity *s_wireless_sec; - - s_wireless_sec = nm_connection_get_setting_wireless_security(connection); - if (s_wireless_sec && !nm_setting_wireless_security_get_psk(s_wireless_sec)) { - /* PSK is missing from the settings, have to request it */ - - wifi_secrets_cancel(self); - - priv->wifi_secrets_id = - nm_act_request_get_secrets(req, - TRUE, - NM_SETTING_WIRELESS_SECURITY_SETTING_NAME, - NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION, - NM_MAKE_STRV(NM_SETTING_WIRELESS_SECURITY_PSK), - act_psk_cb, - self); - nm_device_state_changed(device, NM_DEVICE_STATE_NEED_AUTH, NM_DEVICE_STATE_REASON_NONE); - } else - act_set_mode(self); - - return NM_ACT_STAGE_RETURN_POSTPONE; - } - - _LOGW(LOGD_DEVICE | LOGD_WIFI, "Activation: (wifi) iwd cannot handle mode %s", mode); - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - -out_fail: - cleanup_association_attempt(self, FALSE); - return NM_ACT_STAGE_RETURN_FAILURE; -} - -static guint32 -get_configured_mtu(NMDevice *device, NMDeviceMtuSource *out_source, gboolean *out_force) -{ - return nm_device_get_configured_mtu_from_connection(device, - NM_TYPE_SETTING_WIRELESS, - out_source); -} - -static gboolean -periodic_scan_timeout_cb(gpointer user_data) -{ - NMDeviceIwd * self = user_data; - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - priv->periodic_scan_id = 0; - - if (priv->scanning || priv->scan_requested) - return FALSE; - - g_dbus_proxy_call(priv->dbus_station_proxy, - "Scan", - NULL, - G_DBUS_CALL_FLAGS_NONE, - -1, - priv->cancellable, - scan_cb, - self); - priv->scan_requested = TRUE; - - return FALSE; -} - -static void -schedule_periodic_scan(NMDeviceIwd *self, gboolean initial_scan) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - GVariant * value; - gboolean disconnected = TRUE; - guint interval; - - if (priv->can_scan) { - value = g_dbus_proxy_get_cached_property(priv->dbus_station_proxy, "State"); - disconnected = nm_streq0(get_variant_state(value), "disconnected"); - g_variant_unref(value); - } - - /* Start scan immediately after a disconnect, mode change or - * device UP, otherwise wait 10 seconds. When connected, update - * AP list mainly on UI requests. - * - * (initial_scan && disconnected) override priv->scanning below - * because of an IWD quirk where a device will often be in the - * autoconnect state and scanning at the time of our initial_scan, - * but our logic will then send it a Disconnect() causing IWD to - * exit autoconnect and interrupt the ongoing scan, meaning that - * we still want a new scan ASAP. - */ - if (!priv->can_scan || !disconnected || priv->scan_requested || priv->scanning) - interval = -1; - else if (initial_scan) - interval = 0; - else if (!priv->periodic_scan_id) - interval = 10; - else - return; - - nm_clear_g_source(&priv->periodic_scan_id); - - if (interval != (guint) -1) - priv->periodic_scan_id = g_timeout_add_seconds(interval, periodic_scan_timeout_cb, self); -} - -static void -set_can_scan(NMDeviceIwd *self, gboolean can_scan) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (priv->can_scan == can_scan) - return; - - priv->can_scan = can_scan; - - schedule_periodic_scan(self, TRUE); -} - -static void -device_state_changed(NMDevice * device, - NMDeviceState new_state, - NMDeviceState old_state, - NMDeviceStateReason reason) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - switch (new_state) { - case NM_DEVICE_STATE_UNMANAGED: - break; - case NM_DEVICE_STATE_UNAVAILABLE: - /* - * If the device is enabled and the IWD manager is ready, - * transition to DISCONNECTED because the device is now - * ready to use. - */ - if (priv->enabled && priv->dbus_station_proxy) { - nm_device_queue_recheck_available(device, - NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - } - break; - case NM_DEVICE_STATE_NEED_AUTH: - break; - case NM_DEVICE_STATE_IP_CHECK: - break; - case NM_DEVICE_STATE_ACTIVATED: - break; - case NM_DEVICE_STATE_FAILED: - break; - case NM_DEVICE_STATE_DISCONNECTED: - break; - default: - break; - } -} - -static gboolean -get_enabled(NMDevice *device) -{ - return NM_DEVICE_IWD_GET_PRIVATE(device)->enabled; -} - -static void -set_enabled(NMDevice *device, gboolean enabled) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(device); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDeviceState state; - - enabled = !!enabled; - - if (priv->enabled == enabled) - return; - - priv->enabled = enabled; - - _LOGD(LOGD_WIFI, "device now %s", enabled ? "enabled" : "disabled"); - - state = nm_device_get_state(device); - if (state < NM_DEVICE_STATE_UNAVAILABLE) { - _LOGD(LOGD_WIFI, "(%s): device blocked by UNMANAGED state", enabled ? "enable" : "disable"); - return; - } - - if (priv->dbus_obj) - set_powered(self, enabled); - - if (enabled) { - if (state != NM_DEVICE_STATE_UNAVAILABLE) - _LOGW(LOGD_CORE, "not in expected unavailable state!"); - - if (priv->dbus_station_proxy) { - nm_device_queue_recheck_available(device, - NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - } - } else { - nm_device_state_changed(device, NM_DEVICE_STATE_UNAVAILABLE, NM_DEVICE_STATE_REASON_NONE); - } -} - -static gboolean -can_reapply_change(NMDevice * device, - const char *setting_name, - NMSetting * s_old, - NMSetting * s_new, - GHashTable *diffs, - GError ** error) -{ - NMDeviceClass *device_class; - - /* Only handle wireless setting here, delegate other settings to parent class */ - if (nm_streq(setting_name, NM_SETTING_WIRELESS_SETTING_NAME)) { - return nm_device_hash_check_invalid_keys( - diffs, - NM_SETTING_WIRELESS_SETTING_NAME, - error, - NM_SETTING_WIRELESS_SEEN_BSSIDS, /* ignored */ - NM_SETTING_WIRELESS_MTU); /* reapplied with IP config */ - } - - device_class = NM_DEVICE_CLASS(nm_device_iwd_parent_class); - return device_class->can_reapply_change(device, setting_name, s_old, s_new, diffs, error); -} - -/*****************************************************************************/ - -static void -get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(object); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - const char ** list; - - switch (prop_id) { - case PROP_MODE: - if (!priv->current_ap) - g_value_set_uint(value, NM_802_11_MODE_UNKNOWN); - else if (nm_wifi_ap_is_hotspot(priv->current_ap)) - g_value_set_uint(value, NM_802_11_MODE_AP); - else - g_value_set_uint(value, nm_wifi_ap_get_mode(priv->current_ap)); - - break; - case PROP_BITRATE: - g_value_set_uint(value, 65000); - break; - case PROP_CAPABILITIES: - g_value_set_uint(value, priv->capabilities); - break; - case PROP_ACCESS_POINTS: - list = nm_wifi_aps_get_paths(&priv->aps_lst_head, TRUE); - g_value_take_boxed(value, nm_utils_strv_make_deep_copied(list)); - break; - case PROP_ACTIVE_ACCESS_POINT: - nm_dbus_utils_g_value_set_object_path(value, priv->current_ap); - break; - case PROP_SCANNING: - g_value_set_boolean(value, priv->scanning); - break; - case PROP_LAST_SCAN: - g_value_set_int64( - value, - priv->last_scan > 0 - ? nm_utils_monotonic_timestamp_as_boottime(priv->last_scan, NM_UTILS_NSEC_PER_MSEC) - : (gint64) -1); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); - break; - } -} - -/*****************************************************************************/ - -static void -state_changed(NMDeviceIwd *self, const char *new_state) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - NMDeviceState dev_state = nm_device_get_state(device); - gboolean iwd_connection = FALSE; - gboolean can_connect = priv->can_connect; - - _LOGI(LOGD_DEVICE | LOGD_WIFI, "new IWD device state is %s", new_state); - - if (dev_state >= NM_DEVICE_STATE_CONFIG && dev_state <= NM_DEVICE_STATE_ACTIVATED) - iwd_connection = TRUE; - - /* Don't allow scanning while connecting, disconnecting or roaming */ - set_can_scan(self, NM_IN_STRSET(new_state, "connected", "disconnected")); - - priv->can_connect = FALSE; - - if (NM_IN_STRSET(new_state, "connecting", "connected", "roaming")) { - /* If we were connecting, do nothing, the confirmation of - * a connection success is handled in the Device.Connect - * method return callback. Otherwise, IWD must have connected - * without Network Manager's will so for simplicity force a - * disconnect. - */ - if (iwd_connection) - return; - - _LOGW(LOGD_DEVICE | LOGD_WIFI, "Unsolicited connection success, asking IWD to disconnect"); - send_disconnect(self); - } else if (NM_IN_STRSET(new_state, "disconnecting", "disconnected")) { - /* Call Disconnect on the IWD device object to make sure it - * disables its own autoconnect. - */ - send_disconnect(self); - - /* - * If IWD is still handling the Connect call, let our Connect - * callback for the dbus method handle the failure. The main - * reason we can't handle the failure here is because the method - * callback will have more information on the specific failure - * reason. - */ - if (NM_IN_SET(dev_state, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_NEED_AUTH)) - return; - - if (iwd_connection) - nm_device_state_changed(device, - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT); - } else if (!nm_streq(new_state, "unknown")) { - _LOGE(LOGD_WIFI, "State %s unknown", new_state); - return; - } - - /* Don't allow new connection until iwd exits disconnecting and no - * Connect callback is pending. - */ - if (NM_IN_STRSET(new_state, "disconnected")) { - priv->can_connect = TRUE; - if (!can_connect) - nm_device_emit_recheck_auto_activate(device); - } -} - -static void -scanning_changed(NMDeviceIwd *self, gboolean new_scanning) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - if (new_scanning == priv->scanning) - return; - - priv->scanning = new_scanning; - - _notify(self, PROP_SCANNING); - - if (!priv->scanning) { - update_aps(self); - - if (!priv->scan_requested) - schedule_periodic_scan(self, FALSE); - } -} - -static void -station_properties_changed(GDBusProxy *proxy, - GVariant * changed_properties, - GStrv invalidate_properties, - gpointer user_data) -{ - NMDeviceIwd *self = user_data; - const char * new_str; - gboolean new_bool; - - if (g_variant_lookup(changed_properties, "State", "&s", &new_str)) - state_changed(self, new_str); - - if (g_variant_lookup(changed_properties, "Scanning", "b", &new_bool)) - scanning_changed(self, new_bool); -} - -static void -ap_adhoc_properties_changed(GDBusProxy *proxy, - GVariant * changed_properties, - GStrv invalidate_properties, - gpointer user_data) -{ - NMDeviceIwd *self = user_data; - gboolean new_bool; - - if (g_variant_lookup(changed_properties, "Started", "b", &new_bool)) - _LOGI(LOGD_DEVICE | LOGD_WIFI, - "IWD AP/AdHoc state is now %s", - new_bool ? "Started" : "Stopped"); -} - -static void -powered_changed(NMDeviceIwd *self, gboolean new_powered) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - GDBusInterface * interface; - GVariant * value; - - nm_device_queue_recheck_available(NM_DEVICE(self), - NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - - interface = - new_powered ? g_dbus_object_get_interface(priv->dbus_obj, NM_IWD_AP_INTERFACE) : NULL; - - if (priv->dbus_ap_proxy) { - g_signal_handlers_disconnect_by_func(priv->dbus_ap_proxy, - ap_adhoc_properties_changed, - self); - g_clear_object(&priv->dbus_ap_proxy); - } - - if (interface) { - priv->dbus_ap_proxy = G_DBUS_PROXY(interface); - g_signal_connect(priv->dbus_ap_proxy, - "g-properties-changed", - G_CALLBACK(ap_adhoc_properties_changed), - self); - - if (priv->act_mode_switch) - act_check_interface(self); - else - reset_mode(self, NULL, NULL, NULL); - } - - interface = - new_powered ? g_dbus_object_get_interface(priv->dbus_obj, NM_IWD_ADHOC_INTERFACE) : NULL; - - if (priv->dbus_adhoc_proxy) { - g_signal_handlers_disconnect_by_func(priv->dbus_adhoc_proxy, - ap_adhoc_properties_changed, - self); - g_clear_object(&priv->dbus_adhoc_proxy); - } - - if (interface) { - priv->dbus_adhoc_proxy = G_DBUS_PROXY(interface); - g_signal_connect(priv->dbus_adhoc_proxy, - "g-properties-changed", - G_CALLBACK(ap_adhoc_properties_changed), - self); - - if (priv->act_mode_switch) - act_check_interface(self); - else - reset_mode(self, NULL, NULL, NULL); - } - - /* We expect one of the three interfaces to always be present when - * device is Powered so if AP and AdHoc are not present we should - * be in station mode. - */ - if (new_powered && !priv->dbus_ap_proxy && !priv->dbus_adhoc_proxy) { - interface = g_dbus_object_get_interface(priv->dbus_obj, NM_IWD_STATION_INTERFACE); - if (!interface) { - /* No Station interface on the device object. Check if the - * "State" property is present on the Device interface, that - * would mean we're dealing with an IWD version from before the - * Device/Station split (0.7 or earlier) and we can easily - * handle that by making priv->dbus_device_proxy and - * priv->dbus_station_proxy both point at the Device interface. - */ - value = g_dbus_proxy_get_cached_property(priv->dbus_device_proxy, "State"); - if (value) { - g_variant_unref(value); - interface = g_object_ref(G_DBUS_INTERFACE(priv->dbus_device_proxy)); - } else { - _LOGE(LOGD_WIFI, - "Interface %s not found on obj %s", - NM_IWD_STATION_INTERFACE, - g_dbus_object_get_object_path(priv->dbus_obj)); - interface = NULL; - } - } - } else - interface = NULL; - - if (priv->dbus_station_proxy) { - g_signal_handlers_disconnect_by_func(priv->dbus_station_proxy, - station_properties_changed, - self); - g_clear_object(&priv->dbus_station_proxy); - } - - if (interface) { - priv->dbus_station_proxy = G_DBUS_PROXY(interface); - g_signal_connect(priv->dbus_station_proxy, - "g-properties-changed", - G_CALLBACK(station_properties_changed), - self); - - value = g_dbus_proxy_get_cached_property(priv->dbus_station_proxy, "Scanning"); - priv->scanning = get_variant_boolean(value, "Scanning"); - g_variant_unref(value); - - value = g_dbus_proxy_get_cached_property(priv->dbus_station_proxy, "State"); - state_changed(self, get_variant_state(value)); - g_variant_unref(value); - - update_aps(self); - } else { - set_can_scan(self, FALSE); - priv->scanning = FALSE; - priv->scan_requested = FALSE; - priv->can_connect = FALSE; - cleanup_association_attempt(self, FALSE); - remove_all_aps(self); - } -} - -static void -device_properties_changed(GDBusProxy *proxy, - GVariant * changed_properties, - GStrv invalidate_properties, - gpointer user_data) -{ - NMDeviceIwd *self = user_data; - gboolean new_bool; - - if (g_variant_lookup(changed_properties, "Powered", "b", &new_bool)) - powered_changed(self, new_bool); -} - -void -nm_device_iwd_set_dbus_object(NMDeviceIwd *self, GDBusObject *object) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - GDBusInterface * interface; - gs_unref_variant GVariant *value = NULL; - gs_unref_object GDBusProxy *adapter_proxy = NULL; - GVariantIter * iter; - const char * mode; - gboolean powered; - NMDeviceWifiCapabilities capabilities; - - if (!nm_g_object_ref_set(&priv->dbus_obj, object)) - return; - - if (priv->dbus_device_proxy) { - g_signal_handlers_disconnect_by_func(priv->dbus_device_proxy, - device_properties_changed, - self); - g_clear_object(&priv->dbus_device_proxy); - - powered_changed(self, FALSE); - - priv->act_mode_switch = FALSE; - } - - if (!object) - return; - - interface = g_dbus_object_get_interface(object, NM_IWD_DEVICE_INTERFACE); - if (!interface) { - _LOGE(LOGD_WIFI, - "Interface %s not found on obj %s", - NM_IWD_DEVICE_INTERFACE, - g_dbus_object_get_object_path(object)); - g_clear_object(&priv->dbus_obj); - return; - } - - priv->dbus_device_proxy = G_DBUS_PROXY(interface); - - g_signal_connect(priv->dbus_device_proxy, - "g-properties-changed", - G_CALLBACK(device_properties_changed), - self); - - /* Parse list of interface modes supported by adapter (wiphy) */ - - value = g_dbus_proxy_get_cached_property(priv->dbus_device_proxy, "Adapter"); - if (!value || !g_variant_is_of_type(value, G_VARIANT_TYPE_OBJECT_PATH)) { - nm_log_warn(LOGD_DEVICE | LOGD_WIFI, "Adapter property not cached or not an object path"); - goto error; - } - - adapter_proxy = nm_iwd_manager_get_dbus_interface(nm_iwd_manager_get(), - g_variant_get_string(value, NULL), - NM_IWD_WIPHY_INTERFACE); - if (!adapter_proxy) { - nm_log_warn(LOGD_DEVICE | LOGD_WIFI, "Can't get DBus proxy for IWD Adapter for IWD Device"); - goto error; - } - - g_variant_unref(value); - value = g_dbus_proxy_get_cached_property(adapter_proxy, "SupportedModes"); - if (!value || !g_variant_is_of_type(value, G_VARIANT_TYPE_STRING_ARRAY)) { - nm_log_warn(LOGD_DEVICE | LOGD_WIFI, - "SupportedModes property not cached or not a string array"); - goto error; - } - - capabilities = NM_WIFI_DEVICE_CAP_CIPHER_CCMP | NM_WIFI_DEVICE_CAP_RSN; - - g_variant_get(value, "as", &iter); - while (g_variant_iter_next(iter, "&s", &mode)) { - if (nm_streq(mode, "ap")) - capabilities |= NM_WIFI_DEVICE_CAP_AP; - else if (nm_streq(mode, "ad-hoc")) - capabilities |= NM_WIFI_DEVICE_CAP_ADHOC; - } - g_variant_iter_free(iter); - - if (priv->capabilities != capabilities) { - priv->capabilities = capabilities; - _notify(self, PROP_CAPABILITIES); - } - - g_variant_unref(value); - value = g_dbus_proxy_get_cached_property(priv->dbus_device_proxy, "Powered"); - powered = get_variant_boolean(value, "Powered"); - - if (powered != priv->enabled) - set_powered(self, priv->enabled); - else if (powered) - powered_changed(self, TRUE); - - return; - -error: - g_signal_handlers_disconnect_by_func(priv->dbus_device_proxy, device_properties_changed, self); - g_clear_object(&priv->dbus_device_proxy); -} - -gboolean -nm_device_iwd_agent_query(NMDeviceIwd *self, GDBusMethodInvocation *invocation) -{ - NMActRequest * req; - const char * setting_name; - const char * setting_key; - gboolean replied; - NMSecretAgentGetSecretsFlags get_secret_flags = - NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION; - - req = nm_device_get_act_request(NM_DEVICE(self)); - if (!req) - return FALSE; - - if (!try_reply_agent_request(self, - nm_act_request_get_applied_connection(req), - invocation, - &setting_name, - &setting_key, - &replied)) - return FALSE; - - if (replied) - return TRUE; - - /* Normally require new secrets every time IWD asks for them. - * IWD only queries us if it has not saved the secrets (e.g. by policy) - * or a previous attempt has failed with current secrets so it wants - * a fresh set. However if this is a new connection it may include - * all of the needed settings already so allow using these, too. - * Connection timestamp is set after activation or after first - * activation failure (to 0). - */ - if (nm_settings_connection_get_timestamp(nm_act_request_get_settings_connection(req), NULL)) - get_secret_flags |= NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW; - - nm_device_state_changed(NM_DEVICE(self), - NM_DEVICE_STATE_NEED_AUTH, - NM_DEVICE_STATE_REASON_NO_SECRETS); - wifi_secrets_get_one(self, setting_name, get_secret_flags, setting_key, invocation); - - return TRUE; -} - -/*****************************************************************************/ - -static const char * -get_type_description(NMDevice *device) -{ - nm_assert(NM_IS_DEVICE_IWD(device)); - - return "wifi"; -} - -/*****************************************************************************/ - -static void -nm_device_iwd_init(NMDeviceIwd *self) -{ - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - c_list_init(&priv->aps_lst_head); - - /* Make sure the manager is running */ - (void) nm_iwd_manager_get(); -} - -NMDevice * -nm_device_iwd_new(const char *iface) -{ - return g_object_new(NM_TYPE_DEVICE_IWD, - NM_DEVICE_IFACE, - iface, - NM_DEVICE_TYPE_DESC, - "802.11 Wi-Fi", - NM_DEVICE_DEVICE_TYPE, - NM_DEVICE_TYPE_WIFI, - NM_DEVICE_LINK_TYPE, - NM_LINK_TYPE_WIFI, - NM_DEVICE_RFKILL_TYPE, - RFKILL_TYPE_WLAN, - NULL); -} - -static void -dispose(GObject *object) -{ - NMDeviceIwd * self = NM_DEVICE_IWD(object); - NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE(self); - - nm_clear_g_cancellable(&priv->cancellable); - - nm_device_iwd_set_dbus_object(self, NULL); - - G_OBJECT_CLASS(nm_device_iwd_parent_class)->dispose(object); - - nm_assert(c_list_is_empty(&priv->aps_lst_head)); -} - -static void -nm_device_iwd_class_init(NMDeviceIwdClass *klass) -{ - GObjectClass * object_class = G_OBJECT_CLASS(klass); - NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass); - NMDeviceClass * device_class = NM_DEVICE_CLASS(klass); - - object_class->get_property = get_property; - object_class->dispose = dispose; - - dbus_object_class->interface_infos = - NM_DBUS_INTERFACE_INFOS(&nm_interface_info_device_wireless); - - device_class->connection_type_supported = NM_SETTING_WIRELESS_SETTING_NAME; - device_class->connection_type_check_compatible = NM_SETTING_WIRELESS_SETTING_NAME; - device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_WIFI); - - device_class->can_auto_connect = can_auto_connect; - device_class->is_available = is_available; - device_class->get_autoconnect_allowed = get_autoconnect_allowed; - device_class->check_connection_compatible = check_connection_compatible; - device_class->check_connection_available = check_connection_available; - device_class->complete_connection = complete_connection; - device_class->get_enabled = get_enabled; - device_class->set_enabled = set_enabled; - device_class->get_type_description = get_type_description; - - device_class->act_stage1_prepare = act_stage1_prepare; - device_class->act_stage2_config = act_stage2_config; - device_class->get_configured_mtu = get_configured_mtu; - device_class->deactivate = deactivate; - device_class->deactivate_async = deactivate_async; - device_class->can_reapply_change = can_reapply_change; - - device_class->state_changed = device_state_changed; - - obj_properties[PROP_MODE] = g_param_spec_uint(NM_DEVICE_IWD_MODE, - "", - "", - NM_802_11_MODE_UNKNOWN, - NM_802_11_MODE_AP, - NM_802_11_MODE_INFRA, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_BITRATE] = g_param_spec_uint(NM_DEVICE_IWD_BITRATE, - "", - "", - 0, - G_MAXUINT32, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_ACCESS_POINTS] = - g_param_spec_boxed(NM_DEVICE_IWD_ACCESS_POINTS, - "", - "", - G_TYPE_STRV, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_ACTIVE_ACCESS_POINT] = - g_param_spec_string(NM_DEVICE_IWD_ACTIVE_ACCESS_POINT, - "", - "", - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_CAPABILITIES] = - g_param_spec_uint(NM_DEVICE_IWD_CAPABILITIES, - "", - "", - 0, - G_MAXUINT32, - NM_WIFI_DEVICE_CAP_NONE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_SCANNING] = g_param_spec_boolean(NM_DEVICE_IWD_SCANNING, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_LAST_SCAN] = g_param_spec_int64(NM_DEVICE_IWD_LAST_SCAN, - "", - "", - -1, - G_MAXINT64, - -1, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); -} |