diff options
| author | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
| commit | 80ec1decc49c72efec2a8b87c06245c92c0ab807 (patch) | |
| tree | e3b229aa94e8dcf0590f2317664176e7b8f7607b /src/devices/nm-device-macsec.c | |
| parent | 65f86e8f56267192d42f2b629fc6b0c99fb9cd0c (diff) | |
New upstream version 1.29.90 upstream/1.29.90
Diffstat (limited to 'src/devices/nm-device-macsec.c')
| -rw-r--r-- | src/devices/nm-device-macsec.c | 1088 |
1 files changed, 0 insertions, 1088 deletions
diff --git a/src/devices/nm-device-macsec.c b/src/devices/nm-device-macsec.c deleted file mode 100644 index 7d738b42..00000000 --- a/src/devices/nm-device-macsec.c +++ /dev/null @@ -1,1088 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2017 Red Hat, Inc. - */ - -#include "nm-default.h" - -#include "nm-device-macsec.h" - -#include "nm-act-request.h" -#include "nm-device-private.h" -#include "platform/nm-platform.h" -#include "nm-device-factory.h" -#include "nm-manager.h" -#include "nm-setting-macsec.h" -#include "nm-core-internal.h" -#include "supplicant/nm-supplicant-manager.h" -#include "supplicant/nm-supplicant-interface.h" -#include "supplicant/nm-supplicant-config.h" - -#include "nm-device-logging.h" -_LOG_DECLARE_SELF(NMDeviceMacsec); - -/*****************************************************************************/ - -#define SUPPLICANT_LNK_TIMEOUT_SEC 15 - -/*****************************************************************************/ - -NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceMacsec, - PROP_SCI, - PROP_CIPHER_SUITE, - PROP_ICV_LENGTH, - PROP_WINDOW, - PROP_ENCODING_SA, - PROP_ENCRYPT, - PROP_PROTECT, - PROP_INCLUDE_SCI, - PROP_ES, - PROP_SCB, - PROP_REPLAY_PROTECT, - PROP_VALIDATION, ); - -typedef struct { - NMPlatformLnkMacsec props; - gulong parent_state_id; - gulong parent_mtu_id; - - struct { - NMSupplicantManager * mgr; - NMSupplMgrCreateIfaceHandle *create_handle; - NMSupplicantInterface * iface; - - gulong iface_state_id; - - guint con_timeout_id; - guint lnk_timeout_id; - - bool is_associated : 1; - } supplicant; - - NMActRequestGetSecretsCallId *macsec_secrets_id; -} NMDeviceMacsecPrivate; - -struct _NMDeviceMacsec { - NMDevice parent; - NMDeviceMacsecPrivate _priv; -}; - -struct _NMDeviceMacsecClass { - NMDeviceClass parent; -}; - -G_DEFINE_TYPE(NMDeviceMacsec, nm_device_macsec, NM_TYPE_DEVICE) - -#define NM_DEVICE_MACSEC_GET_PRIVATE(self) \ - _NM_GET_PRIVATE(self, NMDeviceMacsec, NM_IS_DEVICE_MACSEC, NMDevice) - -/******************************************************************/ - -static void macsec_secrets_cancel(NMDeviceMacsec *self); - -/******************************************************************/ - -static NM_UTILS_LOOKUP_STR_DEFINE(validation_mode_to_string, - guint8, - NM_UTILS_LOOKUP_DEFAULT_WARN("<unknown>"), - NM_UTILS_LOOKUP_STR_ITEM(0, "disable"), - NM_UTILS_LOOKUP_STR_ITEM(1, "check"), - NM_UTILS_LOOKUP_STR_ITEM(2, "strict"), ); - -static void -parent_state_changed(NMDevice * parent, - NMDeviceState new_state, - NMDeviceState old_state, - NMDeviceStateReason reason, - gpointer user_data) -{ - NMDeviceMacsec *self = NM_DEVICE_MACSEC(user_data); - - /* We'll react to our own carrier state notifications. Ignore the parent's. */ - if (nm_device_state_reason_check(reason) == NM_DEVICE_STATE_REASON_CARRIER) - return; - - nm_device_set_unmanaged_by_flags(NM_DEVICE(self), - NM_UNMANAGED_PARENT, - !nm_device_get_managed(parent, FALSE), - reason); -} - -static void -parent_mtu_maybe_changed(NMDevice *parent, GParamSpec *pspec, gpointer user_data) -{ - /* the MTU of a MACsec device is limited by the parent's MTU. - * - * When the parent's MTU changes, try to re-set the MTU. */ - nm_device_commit_mtu(user_data); -} - -static void -parent_changed_notify(NMDevice *device, - int old_ifindex, - NMDevice *old_parent, - int new_ifindex, - NMDevice *new_parent) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(device); - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - NM_DEVICE_CLASS(nm_device_macsec_parent_class) - ->parent_changed_notify(device, old_ifindex, old_parent, new_ifindex, new_parent); - - /* note that @self doesn't have to clear @parent_state_id on dispose, - * because NMDevice's dispose() will unset the parent, which in turn calls - * parent_changed_notify(). */ - nm_clear_g_signal_handler(old_parent, &priv->parent_state_id); - nm_clear_g_signal_handler(old_parent, &priv->parent_mtu_id); - - if (new_parent) { - priv->parent_state_id = g_signal_connect(new_parent, - NM_DEVICE_STATE_CHANGED, - G_CALLBACK(parent_state_changed), - device); - priv->parent_mtu_id = g_signal_connect(new_parent, - "notify::" NM_DEVICE_MTU, - G_CALLBACK(parent_mtu_maybe_changed), - device); - - /* Set parent-dependent unmanaged flag */ - nm_device_set_unmanaged_by_flags(device, - NM_UNMANAGED_PARENT, - !nm_device_get_managed(new_parent, FALSE), - NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED); - } - - /* Recheck availability now that the parent has changed */ - if (new_ifindex > 0) { - nm_device_queue_recheck_available(device, - NM_DEVICE_STATE_REASON_PARENT_CHANGED, - NM_DEVICE_STATE_REASON_PARENT_CHANGED); - } -} - -static void -update_properties(NMDevice *device) -{ - NMDeviceMacsec * self; - NMDeviceMacsecPrivate * priv; - const NMPlatformLink * plink = NULL; - const NMPlatformLnkMacsec *props = NULL; - int ifindex; - - g_return_if_fail(NM_IS_DEVICE_MACSEC(device)); - self = NM_DEVICE_MACSEC(device); - priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - ifindex = nm_device_get_ifindex(device); - g_return_if_fail(ifindex > 0); - props = nm_platform_link_get_lnk_macsec(nm_device_get_platform(device), ifindex, &plink); - - if (!props) { - _LOGW(LOGD_PLATFORM, "could not get macsec properties"); - return; - } - - g_object_freeze_notify((GObject *) device); - - if (priv->props.parent_ifindex != props->parent_ifindex) - nm_device_parent_set_ifindex(device, props->parent_ifindex); - -#define CHECK_PROPERTY_CHANGED(field, prop) \ - G_STMT_START \ - { \ - if (priv->props.field != props->field) { \ - priv->props.field = props->field; \ - _notify(self, prop); \ - } \ - } \ - G_STMT_END - - CHECK_PROPERTY_CHANGED(sci, PROP_SCI); - CHECK_PROPERTY_CHANGED(cipher_suite, PROP_CIPHER_SUITE); - CHECK_PROPERTY_CHANGED(window, PROP_WINDOW); - CHECK_PROPERTY_CHANGED(icv_length, PROP_ICV_LENGTH); - CHECK_PROPERTY_CHANGED(encoding_sa, PROP_ENCODING_SA); - CHECK_PROPERTY_CHANGED(validation, PROP_VALIDATION); - CHECK_PROPERTY_CHANGED(encrypt, PROP_ENCRYPT); - CHECK_PROPERTY_CHANGED(protect, PROP_PROTECT); - CHECK_PROPERTY_CHANGED(include_sci, PROP_INCLUDE_SCI); - CHECK_PROPERTY_CHANGED(es, PROP_ES); - CHECK_PROPERTY_CHANGED(scb, PROP_SCB); - CHECK_PROPERTY_CHANGED(replay_protect, PROP_REPLAY_PROTECT); - - g_object_thaw_notify((GObject *) device); -} - -static NMSupplicantConfig * -build_supplicant_config(NMDeviceMacsec *self, GError **error) -{ - gs_unref_object NMSupplicantConfig *config = NULL; - NMSettingMacsec * s_macsec; - NMSetting8021x * s_8021x; - NMConnection * connection; - const char * con_uuid; - guint32 mtu; - - connection = nm_device_get_applied_connection(NM_DEVICE(self)); - - g_return_val_if_fail(connection, NULL); - - con_uuid = nm_connection_get_uuid(connection); - mtu = nm_platform_link_get_mtu(nm_device_get_platform(NM_DEVICE(self)), - nm_device_get_ifindex(NM_DEVICE(self))); - - config = nm_supplicant_config_new(NM_SUPPL_CAP_MASK_NONE); - - s_macsec = nm_device_get_applied_setting(NM_DEVICE(self), NM_TYPE_SETTING_MACSEC); - - g_return_val_if_fail(s_macsec, NULL); - - if (!nm_supplicant_config_add_setting_macsec(config, s_macsec, error)) { - g_prefix_error(error, "macsec-setting: "); - return NULL; - } - - if (nm_setting_macsec_get_mode(s_macsec) == NM_SETTING_MACSEC_MODE_EAP) { - s_8021x = nm_connection_get_setting_802_1x(connection); - if (!nm_supplicant_config_add_setting_8021x(config, s_8021x, con_uuid, mtu, TRUE, error)) { - g_prefix_error(error, "802-1x-setting: "); - return NULL; - } - } - - return g_steal_pointer(&config); -} - -static void -supplicant_interface_release(NMDeviceMacsec *self) -{ - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - nm_clear_pointer(&priv->supplicant.create_handle, - nm_supplicant_manager_create_interface_cancel); - - nm_clear_g_source(&priv->supplicant.lnk_timeout_id); - nm_clear_g_source(&priv->supplicant.con_timeout_id); - nm_clear_g_signal_handler(priv->supplicant.iface, &priv->supplicant.iface_state_id); - - if (priv->supplicant.iface) { - nm_supplicant_interface_disconnect(priv->supplicant.iface); - g_clear_object(&priv->supplicant.iface); - } -} - -static void -macsec_secrets_cb(NMActRequest * req, - NMActRequestGetSecretsCallId *call_id, - NMSettingsConnection * connection, - GError * error, - gpointer user_data) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(user_data); - NMDevice * device = NM_DEVICE(self); - NMDeviceMacsecPrivate *priv; - - g_return_if_fail(NM_IS_DEVICE_MACSEC(self)); - g_return_if_fail(NM_IS_ACT_REQUEST(req)); - - priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - g_return_if_fail(priv->macsec_secrets_id == call_id); - - priv->macsec_secrets_id = NULL; - - if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) - return; - - g_return_if_fail(req == nm_device_get_act_request(device)); - g_return_if_fail(nm_device_get_state(device) == NM_DEVICE_STATE_NEED_AUTH); - g_return_if_fail(nm_act_request_get_settings_connection(req) == connection); - - if (error) { - _LOGW(LOGD_ETHER, "%s", error->message); - nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_NO_SECRETS); - return; - } - - nm_device_activate_schedule_stage1_device_prepare(device, FALSE); -} - -static void -macsec_secrets_cancel(NMDeviceMacsec *self) -{ - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - if (priv->macsec_secrets_id) - nm_act_request_cancel_secrets(NULL, priv->macsec_secrets_id); - nm_assert(!priv->macsec_secrets_id); -} - -static void -macsec_secrets_get_secrets(NMDeviceMacsec * self, - const char * setting_name, - NMSecretAgentGetSecretsFlags flags) -{ - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - NMActRequest * req; - - macsec_secrets_cancel(self); - - req = nm_device_get_act_request(NM_DEVICE(self)); - g_return_if_fail(NM_IS_ACT_REQUEST(req)); - - priv->macsec_secrets_id = - nm_act_request_get_secrets(req, TRUE, setting_name, flags, NULL, macsec_secrets_cb, self); - g_return_if_fail(priv->macsec_secrets_id); -} - -static gboolean -supplicant_lnk_timeout_cb(gpointer user_data) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(user_data); - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - NMDevice * dev = NM_DEVICE(self); - NMActRequest * req; - NMConnection * applied_connection; - const char * setting_name; - - priv->supplicant.lnk_timeout_id = 0; - - req = nm_device_get_act_request(dev); - - if (nm_device_get_state(dev) == NM_DEVICE_STATE_ACTIVATED) { - nm_device_state_changed(dev, - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT); - return G_SOURCE_REMOVE; - } - - /* Disconnect event during initial authentication and credentials - * ARE checked - we are likely to have wrong key. Ask the user for - * another one. - */ - if (nm_device_get_state(dev) != NM_DEVICE_STATE_CONFIG) - goto time_out; - - nm_active_connection_clear_secrets(NM_ACTIVE_CONNECTION(req)); - - applied_connection = nm_act_request_get_applied_connection(req); - setting_name = nm_connection_need_secrets(applied_connection, NULL); - if (!setting_name) - goto time_out; - - _LOGI(LOGD_DEVICE | LOGD_ETHER, - "Activation: disconnected during authentication, asking for new key."); - supplicant_interface_release(self); - - nm_device_state_changed(dev, - NM_DEVICE_STATE_NEED_AUTH, - NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT); - macsec_secrets_get_secrets(self, setting_name, NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW); - - return G_SOURCE_REMOVE; - -time_out: - _LOGW(LOGD_DEVICE | LOGD_ETHER, "link timed out."); - nm_device_state_changed(dev, - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT); - - return G_SOURCE_REMOVE; -} - -static void -supplicant_iface_state_is_completed(NMDeviceMacsec *self, NMSupplicantInterfaceState state) -{ - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - if (state == NM_SUPPLICANT_INTERFACE_STATE_COMPLETED) { - nm_clear_g_source(&priv->supplicant.lnk_timeout_id); - nm_clear_g_source(&priv->supplicant.con_timeout_id); - - nm_device_bring_up(NM_DEVICE(self), TRUE, NULL); - - /* If this is the initial association during device activation, - * schedule the next activation stage. - */ - if (nm_device_get_state(NM_DEVICE(self)) == NM_DEVICE_STATE_CONFIG) { - _LOGI(LOGD_DEVICE, "Activation: Stage 2 of 5 (Device Configure) successful."); - nm_device_activate_schedule_stage3_ip_config_start(NM_DEVICE(self)); - } - return; - } - - if (!priv->supplicant.lnk_timeout_id && !priv->supplicant.con_timeout_id) - priv->supplicant.lnk_timeout_id = - g_timeout_add_seconds(SUPPLICANT_LNK_TIMEOUT_SEC, supplicant_lnk_timeout_cb, self); -} - -static void -supplicant_iface_assoc_cb(NMSupplicantInterface *iface, GError *error, gpointer user_data) -{ - NMDeviceMacsec * self; - NMDeviceMacsecPrivate *priv; - - if (nm_utils_error_is_cancelled_or_disposing(error)) - return; - - self = user_data; - priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - if (error) { - supplicant_interface_release(self); - nm_device_queue_state(NM_DEVICE(self), - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED); - return; - } - - nm_assert(!priv->supplicant.lnk_timeout_id); - nm_assert(!priv->supplicant.is_associated); - - priv->supplicant.is_associated = TRUE; - supplicant_iface_state_is_completed(self, - nm_supplicant_interface_get_state(priv->supplicant.iface)); -} - -static gboolean -supplicant_iface_start(NMDeviceMacsec *self) -{ - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - gs_unref_object NMSupplicantConfig *config = NULL; - gs_free_error GError *error = NULL; - - config = build_supplicant_config(self, &error); - if (!config) { - _LOGE(LOGD_DEVICE, "Activation: couldn't build security configuration: %s", error->message); - supplicant_interface_release(self); - nm_device_state_changed(NM_DEVICE(self), - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED); - return FALSE; - } - - nm_supplicant_interface_disconnect(priv->supplicant.iface); - nm_supplicant_interface_assoc(priv->supplicant.iface, config, supplicant_iface_assoc_cb, self); - return TRUE; -} - -static void -supplicant_iface_state_cb(NMSupplicantInterface *iface, - int new_state_i, - int old_state_i, - int disconnect_reason, - gpointer user_data) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(user_data); - NMDeviceMacsecPrivate * priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - NMSupplicantInterfaceState new_state = new_state_i; - NMSupplicantInterfaceState old_state = old_state_i; - - _LOGI(LOGD_DEVICE, - "supplicant interface state: %s -> %s", - nm_supplicant_interface_state_to_string(old_state), - nm_supplicant_interface_state_to_string(new_state)); - - if (new_state == NM_SUPPLICANT_INTERFACE_STATE_DOWN) { - supplicant_interface_release(self); - nm_device_state_changed(NM_DEVICE(self), - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - return; - } - - if (old_state == NM_SUPPLICANT_INTERFACE_STATE_STARTING) { - if (!supplicant_iface_start(self)) - return; - } - - if (priv->supplicant.is_associated) - supplicant_iface_state_is_completed(self, new_state); -} - -static gboolean -handle_auth_or_fail(NMDeviceMacsec *self, NMActRequest *req, gboolean new_secrets) -{ - const char * setting_name; - NMConnection *applied_connection; - - if (!nm_device_auth_retries_try_next(NM_DEVICE(self))) - return FALSE; - - nm_device_state_changed(NM_DEVICE(self), - NM_DEVICE_STATE_NEED_AUTH, - NM_DEVICE_STATE_REASON_NONE); - - nm_active_connection_clear_secrets(NM_ACTIVE_CONNECTION(req)); - - applied_connection = nm_act_request_get_applied_connection(req); - setting_name = nm_connection_need_secrets(applied_connection, NULL); - if (!setting_name) { - _LOGI(LOGD_DEVICE, "Cleared secrets, but setting didn't need any secrets."); - return FALSE; - } - - macsec_secrets_get_secrets( - self, - setting_name, - NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION - | (new_secrets ? NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW : 0)); - return TRUE; -} - -static gboolean -supplicant_connection_timeout_cb(gpointer user_data) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(user_data); - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - NMDevice * device = NM_DEVICE(self); - NMActRequest * req; - NMSettingsConnection * connection; - guint64 timestamp = 0; - gboolean new_secrets = TRUE; - - priv->supplicant.con_timeout_id = 0; - - /* Authentication failed; either driver problems, the encryption key is - * wrong, the passwords or certificates were wrong or the Ethernet switch's - * port is not configured for 802.1x. */ - _LOGW(LOGD_DEVICE, "Activation: (macsec) association took too long."); - - supplicant_interface_release(self); - - req = nm_device_get_act_request(device); - connection = nm_act_request_get_settings_connection(req); - g_return_val_if_fail(connection, G_SOURCE_REMOVE); - - /* Ask for new secrets only if we've never activated this connection - * before. If we've connected before, don't bother the user with dialogs, - * just retry or fail, and if we never connect the user can fix the - * password somewhere else. */ - if (nm_settings_connection_get_timestamp(connection, ×tamp)) - new_secrets = !timestamp; - - if (!handle_auth_or_fail(self, req, new_secrets)) { - nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_NO_SECRETS); - return G_SOURCE_REMOVE; - } - - _LOGW(LOGD_DEVICE, "Activation: (macsec) asking for new secrets"); - - if (!priv->supplicant.lnk_timeout_id && priv->supplicant.iface) { - NMSupplicantInterfaceState state; - - state = nm_supplicant_interface_get_state(priv->supplicant.iface); - if (state != NM_SUPPLICANT_INTERFACE_STATE_COMPLETED - && nm_supplicant_interface_state_is_operational(state)) - priv->supplicant.lnk_timeout_id = - g_timeout_add_seconds(SUPPLICANT_LNK_TIMEOUT_SEC, supplicant_lnk_timeout_cb, self); - } - - return G_SOURCE_REMOVE; -} - -static void -supplicant_interface_create_cb(NMSupplicantManager * supplicant_manager, - NMSupplMgrCreateIfaceHandle *handle, - NMSupplicantInterface * iface, - GError * error, - gpointer user_data) -{ - NMDeviceMacsec * self; - NMDeviceMacsecPrivate *priv; - guint timeout; - - if (nm_utils_error_is_cancelled(error)) - return; - - self = user_data; - priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - nm_assert(priv->supplicant.create_handle == handle); - - priv->supplicant.create_handle = NULL; - - if (error) { - _LOGE(LOGD_DEVICE, "Couldn't initialize supplicant interface: %s", error->message); - supplicant_interface_release(self); - nm_device_state_changed(NM_DEVICE(self), - NM_DEVICE_STATE_FAILED, - NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED); - return; - } - - priv->supplicant.iface = g_object_ref(iface); - priv->supplicant.is_associated = FALSE; - - priv->supplicant.iface_state_id = g_signal_connect(priv->supplicant.iface, - NM_SUPPLICANT_INTERFACE_STATE, - G_CALLBACK(supplicant_iface_state_cb), - self); - - timeout = nm_device_get_supplicant_timeout(NM_DEVICE(self)); - priv->supplicant.con_timeout_id = - g_timeout_add_seconds(timeout, supplicant_connection_timeout_cb, self); - - if (nm_supplicant_interface_state_is_operational(nm_supplicant_interface_get_state(iface))) - supplicant_iface_start(self); -} - -static NMActStageReturn -act_stage2_config(NMDevice *device, NMDeviceStateReason *out_failure_reason) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(device); - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - NMConnection * connection; - NMDevice * parent; - const char * setting_name; - int ifindex; - - connection = nm_device_get_applied_connection(NM_DEVICE(self)); - - g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); - - if (!priv->supplicant.mgr) - priv->supplicant.mgr = g_object_ref(nm_supplicant_manager_get()); - - /* If we need secrets, get them */ - setting_name = nm_connection_need_secrets(connection, NULL); - if (setting_name) { - NMActRequest *req = nm_device_get_act_request(NM_DEVICE(self)); - - _LOGI(LOGD_DEVICE, - "Activation: connection '%s' has security, but secrets are required.", - nm_connection_get_id(connection)); - - if (!handle_auth_or_fail(self, req, FALSE)) { - NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_NO_SECRETS); - return NM_ACT_STAGE_RETURN_FAILURE; - } - - return NM_ACT_STAGE_RETURN_POSTPONE; - } - - _LOGI(LOGD_DEVICE | LOGD_ETHER, - "Activation: connection '%s' requires no security. No secrets needed.", - nm_connection_get_id(connection)); - - supplicant_interface_release(self); - - parent = nm_device_parent_get_device(NM_DEVICE(self)); - g_return_val_if_fail(parent, NM_ACT_STAGE_RETURN_FAILURE); - ifindex = nm_device_get_ifindex(parent); - g_return_val_if_fail(ifindex > 0, NM_ACT_STAGE_RETURN_FAILURE); - - priv->supplicant.create_handle = - nm_supplicant_manager_create_interface(priv->supplicant.mgr, - ifindex, - NM_SUPPLICANT_DRIVER_MACSEC, - supplicant_interface_create_cb, - self); - return NM_ACT_STAGE_RETURN_POSTPONE; -} - -static void -deactivate(NMDevice *device) -{ - NMDeviceMacsec *self = NM_DEVICE_MACSEC(device); - - supplicant_interface_release(self); -} - -/******************************************************************/ - -static NMDeviceCapabilities -get_generic_capabilities(NMDevice *dev) -{ - /* We assume MACsec interfaces always support carrier detect */ - return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_IS_SOFTWARE; -} - -/******************************************************************/ - -static gboolean -is_available(NMDevice *device, NMDeviceCheckDevAvailableFlags flags) -{ - if (!nm_device_parent_get_device(device)) - return FALSE; - return NM_DEVICE_CLASS(nm_device_macsec_parent_class)->is_available(device, flags); -} - -static gboolean -create_and_realize(NMDevice * device, - NMConnection * connection, - NMDevice * parent, - const NMPlatformLink **out_plink, - GError ** error) -{ - const char * iface = nm_device_get_iface(device); - NMSettingMacsec * s_macsec; - NMPlatformLnkMacsec lnk = {}; - int parent_ifindex; - const char * hw_addr; - union { - struct { - guint8 mac[6]; - guint16 port; - } s; - guint64 u; - } sci; - int r; - - s_macsec = nm_connection_get_setting_macsec(connection); - g_assert(s_macsec); - - if (!parent) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_MISSING_DEPENDENCIES, - "MACsec devices can not be created without a parent interface"); - return FALSE; - } - - lnk.encrypt = nm_setting_macsec_get_encrypt(s_macsec); - - hw_addr = nm_device_get_hw_address(parent); - if (!hw_addr) { - g_set_error(error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED, "can't read parent MAC"); - return FALSE; - } - - nm_utils_hwaddr_aton(hw_addr, sci.s.mac, ETH_ALEN); - sci.s.port = htons(nm_setting_macsec_get_port(s_macsec)); - lnk.sci = be64toh(sci.u); - lnk.validation = nm_setting_macsec_get_validation(s_macsec); - lnk.include_sci = nm_setting_macsec_get_send_sci(s_macsec); - - parent_ifindex = nm_device_get_ifindex(parent); - g_warn_if_fail(parent_ifindex > 0); - - r = nm_platform_link_macsec_add(nm_device_get_platform(device), - iface, - parent_ifindex, - &lnk, - out_plink); - if (r < 0) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_CREATION_FAILED, - "Failed to create macsec interface '%s' for '%s': %s", - iface, - nm_connection_get_id(connection), - nm_strerror(r)); - return FALSE; - } - - nm_device_parent_set_ifindex(device, parent_ifindex); - - return TRUE; -} - -static void -link_changed(NMDevice *device, const NMPlatformLink *pllink) -{ - NM_DEVICE_CLASS(nm_device_macsec_parent_class)->link_changed(device, pllink); - update_properties(device); -} - -static void -device_state_changed(NMDevice * device, - NMDeviceState new_state, - NMDeviceState old_state, - NMDeviceStateReason reason) -{ - if (new_state > NM_DEVICE_STATE_ACTIVATED) - macsec_secrets_cancel(NM_DEVICE_MACSEC(device)); -} - -/******************************************************************/ - -static void -get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - NMDeviceMacsec * self = NM_DEVICE_MACSEC(object); - NMDeviceMacsecPrivate *priv = NM_DEVICE_MACSEC_GET_PRIVATE(self); - - switch (prop_id) { - case PROP_SCI: - g_value_set_uint64(value, priv->props.sci); - break; - case PROP_CIPHER_SUITE: - g_value_set_uint64(value, priv->props.cipher_suite); - break; - case PROP_ICV_LENGTH: - g_value_set_uchar(value, priv->props.icv_length); - break; - case PROP_WINDOW: - g_value_set_uint(value, priv->props.window); - break; - case PROP_ENCODING_SA: - g_value_set_uchar(value, priv->props.encoding_sa); - break; - case PROP_ENCRYPT: - g_value_set_boolean(value, priv->props.encrypt); - break; - case PROP_PROTECT: - g_value_set_boolean(value, priv->props.protect); - break; - case PROP_INCLUDE_SCI: - g_value_set_boolean(value, priv->props.include_sci); - break; - case PROP_ES: - g_value_set_boolean(value, priv->props.es); - break; - case PROP_SCB: - g_value_set_boolean(value, priv->props.scb); - break; - case PROP_REPLAY_PROTECT: - g_value_set_boolean(value, priv->props.replay_protect); - break; - case PROP_VALIDATION: - g_value_set_string(value, validation_mode_to_string(priv->props.validation)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); - break; - } -} - -static void -nm_device_macsec_init(NMDeviceMacsec *self) -{} - -static void -dispose(GObject *object) -{ - NMDeviceMacsec *self = NM_DEVICE_MACSEC(object); - - macsec_secrets_cancel(self); - supplicant_interface_release(self); - - G_OBJECT_CLASS(nm_device_macsec_parent_class)->dispose(object); - - nm_assert(NM_DEVICE_MACSEC_GET_PRIVATE(self)->parent_state_id == 0); - nm_assert(NM_DEVICE_MACSEC_GET_PRIVATE(self)->parent_mtu_id == 0); -} - -static const NMDBusInterfaceInfoExtended interface_info_device_macsec = { - .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( - NM_DBUS_INTERFACE_DEVICE_MACSEC, - .signals = NM_DEFINE_GDBUS_SIGNAL_INFOS(&nm_signal_info_property_changed_legacy, ), - .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS( - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Parent", "o", NM_DEVICE_PARENT), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Sci", "t", NM_DEVICE_MACSEC_SCI), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("IcvLength", - "y", - NM_DEVICE_MACSEC_ICV_LENGTH), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("CipherSuite", - "t", - NM_DEVICE_MACSEC_CIPHER_SUITE), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Window", - "u", - NM_DEVICE_MACSEC_WINDOW), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("EncodingSa", - "y", - NM_DEVICE_MACSEC_ENCODING_SA), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Validation", - "s", - NM_DEVICE_MACSEC_VALIDATION), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Encrypt", - "b", - NM_DEVICE_MACSEC_ENCRYPT), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Protect", - "b", - NM_DEVICE_MACSEC_PROTECT), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("IncludeSci", - "b", - NM_DEVICE_MACSEC_INCLUDE_SCI), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Es", "b", NM_DEVICE_MACSEC_ES), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Scb", "b", NM_DEVICE_MACSEC_SCB), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("ReplayProtect", - "b", - NM_DEVICE_MACSEC_REPLAY_PROTECT), ), ), - .legacy_property_changed = TRUE, -}; - -static void -nm_device_macsec_class_init(NMDeviceMacsecClass *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(&interface_info_device_macsec); - - device_class->connection_type_supported = NM_SETTING_MACSEC_SETTING_NAME; - device_class->connection_type_check_compatible = NM_SETTING_MACSEC_SETTING_NAME; - device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_MACSEC); - device_class->mtu_parent_delta = 32; - - device_class->act_stage2_config = act_stage2_config; - device_class->create_and_realize = create_and_realize; - device_class->deactivate = deactivate; - device_class->get_generic_capabilities = get_generic_capabilities; - device_class->link_changed = link_changed; - device_class->is_available = is_available; - device_class->parent_changed_notify = parent_changed_notify; - device_class->state_changed = device_state_changed; - device_class->get_configured_mtu = nm_device_get_configured_mtu_wired_parent; - - obj_properties[PROP_SCI] = g_param_spec_uint64(NM_DEVICE_MACSEC_SCI, - "", - "", - 0, - G_MAXUINT64, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_CIPHER_SUITE] = - g_param_spec_uint64(NM_DEVICE_MACSEC_CIPHER_SUITE, - "", - "", - 0, - G_MAXUINT64, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_ICV_LENGTH] = g_param_spec_uchar(NM_DEVICE_MACSEC_ICV_LENGTH, - "", - "", - 0, - G_MAXUINT8, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_WINDOW] = g_param_spec_uint(NM_DEVICE_MACSEC_WINDOW, - "", - "", - 0, - G_MAXUINT32, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_ENCODING_SA] = - g_param_spec_uchar(NM_DEVICE_MACSEC_ENCODING_SA, - "", - "", - 0, - 3, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_VALIDATION] = - g_param_spec_string(NM_DEVICE_MACSEC_VALIDATION, - "", - "", - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_ENCRYPT] = g_param_spec_boolean(NM_DEVICE_MACSEC_ENCRYPT, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_PROTECT] = g_param_spec_boolean(NM_DEVICE_MACSEC_PROTECT, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_INCLUDE_SCI] = - g_param_spec_boolean(NM_DEVICE_MACSEC_INCLUDE_SCI, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_ES] = g_param_spec_boolean(NM_DEVICE_MACSEC_ES, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_SCB] = g_param_spec_boolean(NM_DEVICE_MACSEC_SCB, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_REPLAY_PROTECT] = - g_param_spec_boolean(NM_DEVICE_MACSEC_REPLAY_PROTECT, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); -} - -/*************************************************************/ - -#define NM_TYPE_MACSEC_DEVICE_FACTORY (nm_macsec_device_factory_get_type()) -#define NM_MACSEC_DEVICE_FACTORY(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_MACSEC_DEVICE_FACTORY, NMMacsecDeviceFactory)) - -static NMDevice * -create_device(NMDeviceFactory * factory, - const char * iface, - const NMPlatformLink *plink, - NMConnection * connection, - gboolean * out_ignore) -{ - return (NMDevice *) g_object_new(NM_TYPE_DEVICE_MACSEC, - NM_DEVICE_IFACE, - iface, - NM_DEVICE_TYPE_DESC, - "Macsec", - NM_DEVICE_DEVICE_TYPE, - NM_DEVICE_TYPE_MACSEC, - NM_DEVICE_LINK_TYPE, - NM_LINK_TYPE_MACSEC, - NULL); -} - -static const char * -get_connection_parent(NMDeviceFactory *factory, NMConnection *connection) -{ - NMSettingMacsec *s_macsec; - NMSettingWired * s_wired; - const char * parent = NULL; - - g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_MACSEC_SETTING_NAME), NULL); - - s_macsec = nm_connection_get_setting_macsec(connection); - g_assert(s_macsec); - - parent = nm_setting_macsec_get_parent(s_macsec); - if (parent) - return parent; - - /* Try the hardware address from the MACsec connection's hardware setting */ - s_wired = nm_connection_get_setting_wired(connection); - if (s_wired) - return nm_setting_wired_get_mac_address(s_wired); - - return NULL; -} - -static char * -get_connection_iface(NMDeviceFactory *factory, NMConnection *connection, const char *parent_iface) -{ - NMSettingMacsec *s_macsec; - const char * ifname; - - g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_MACSEC_SETTING_NAME), NULL); - - s_macsec = nm_connection_get_setting_macsec(connection); - g_assert(s_macsec); - - if (!parent_iface) - return NULL; - - ifname = nm_connection_get_interface_name(connection); - return g_strdup(ifname); -} - -NM_DEVICE_FACTORY_DEFINE_INTERNAL( - MACSEC, - Macsec, - macsec, - NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_MACSEC) - NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_MACSEC_SETTING_NAME), - factory_class->create_device = create_device; - factory_class->get_connection_parent = get_connection_parent; - factory_class->get_connection_iface = get_connection_iface;) |