diff options
Diffstat (limited to 'src/devices/nm-device-ppp.c')
| -rw-r--r-- | src/devices/nm-device-ppp.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/src/devices/nm-device-ppp.c b/src/devices/nm-device-ppp.c new file mode 100644 index 00000000..8b3968d5 --- /dev/null +++ b/src/devices/nm-device-ppp.c @@ -0,0 +1,350 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager -- Network link manager + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * Copyright (C) 2017 Red Hat, Inc. + */ + +#include "nm-default.h" + +#include "nm-device-ppp.h" + +#include "nm-act-request.h" +#include "nm-device-factory.h" +#include "nm-device-private.h" +#include "nm-manager.h" +#include "nm-setting-pppoe.h" +#include "platform/nm-platform.h" +#include "ppp/nm-ppp-manager.h" +#include "ppp/nm-ppp-manager-call.h" +#include "ppp/nm-ppp-status.h" + +#include "introspection/org.freedesktop.NetworkManager.Device.Ppp.h" + +#include "nm-device-logging.h" +_LOG_DECLARE_SELF(NMDevicePpp); + +/*****************************************************************************/ + +typedef struct _NMDevicePppPrivate { + NMPPPManager *ppp_manager; + NMIP4Config *pending_ip4_config; + char *pending_ifname; +} NMDevicePppPrivate; + +struct _NMDevicePpp { + NMDevice parent; + NMDevicePppPrivate _priv; +}; + +struct _NMDevicePppClass { + NMDeviceClass parent; +}; + +G_DEFINE_TYPE (NMDevicePpp, nm_device_ppp, NM_TYPE_DEVICE) + +#define NM_DEVICE_PPP_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMDevicePpp, NM_IS_DEVICE_PPP) + +static gboolean +check_connection_compatible (NMDevice *device, NMConnection *connection) +{ + NMSettingPppoe *s_pppoe; + + if (!NM_DEVICE_CLASS (nm_device_ppp_parent_class)->check_connection_compatible (device, connection)) + return FALSE; + + if (!nm_streq0 (nm_connection_get_connection_type (connection), + NM_SETTING_PPPOE_SETTING_NAME)) + return FALSE; + + s_pppoe = nm_connection_get_setting_pppoe (connection); + nm_assert (s_pppoe); + + return !!nm_setting_pppoe_get_parent (s_pppoe); +} + +static NMDeviceCapabilities +get_generic_capabilities (NMDevice *device) +{ + return NM_DEVICE_CAP_IS_SOFTWARE; +} + +static void +ppp_state_changed (NMPPPManager *ppp_manager, NMPPPStatus status, gpointer user_data) +{ + NMDevice *device = NM_DEVICE (user_data); + + switch (status) { + case NM_PPP_STATUS_DISCONNECT: + nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_PPP_DISCONNECT); + break; + case NM_PPP_STATUS_DEAD: + nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_PPP_FAILED); + break; + case NM_PPP_STATUS_RUNNING: + nm_device_activate_schedule_stage3_ip_config_start (device); + break; + default: + break; + } +} + +static void +ppp_ip4_config (NMPPPManager *ppp_manager, + const char *iface, + NMIP4Config *config, + gpointer user_data) +{ + NMDevice *device = NM_DEVICE (user_data); + NMDevicePpp *self = NM_DEVICE_PPP (device); + NMDevicePppPrivate *priv = NM_DEVICE_PPP_GET_PRIVATE (self); + gboolean renamed; + + _LOGT (LOGD_DEVICE | LOGD_PPP, "received IPv4 config from pppd"); + + if (nm_device_get_state (device) == NM_DEVICE_STATE_IP_CONFIG) { + if (nm_device_activate_ip4_state_in_conf (device)) { + if (!nm_device_take_over_link (device, iface, &renamed)) { + nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, + NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE); + return; + } + if (renamed) + nm_manager_remove_device (nm_manager_get (), iface, NM_DEVICE_TYPE_PPP); + + nm_device_activate_schedule_ip4_config_result (device, config); + return; + } + } else { + if (priv->pending_ip4_config) + g_object_unref (priv->pending_ip4_config); + priv->pending_ip4_config = g_object_ref (config); + g_free (priv->pending_ifname); + priv->pending_ifname = g_strdup (iface); + } +} + +static NMActStageReturn +act_stage2_config (NMDevice *device, NMDeviceStateReason *out_failure_reason) +{ + NMDevicePpp *self = NM_DEVICE_PPP (device); + NMDevicePppPrivate *priv = NM_DEVICE_PPP_GET_PRIVATE (self); + NMSettingPppoe *s_pppoe; + NMActRequest *req; + GError *error = NULL; + + req = nm_device_get_act_request (NM_DEVICE (self)); + g_return_val_if_fail (req, NM_ACT_STAGE_RETURN_FAILURE); + + s_pppoe = (NMSettingPppoe *) nm_device_get_applied_setting ((NMDevice *) self, NM_TYPE_SETTING_PPPOE); + g_return_val_if_fail (s_pppoe, NM_ACT_STAGE_RETURN_FAILURE); + + g_clear_object (&priv->pending_ip4_config); + nm_clear_g_free (&priv->pending_ifname); + + priv->ppp_manager = nm_ppp_manager_create (nm_setting_pppoe_get_parent (s_pppoe), &error); + + if (priv->ppp_manager) { + nm_ppp_manager_set_route_parameters (priv->ppp_manager, + nm_device_get_route_table (device, AF_INET, TRUE), + nm_device_get_route_metric (device, AF_INET), + nm_device_get_route_table (device, AF_INET6, TRUE), + nm_device_get_route_metric (device, AF_INET6)); + } + + if ( !priv->ppp_manager + || !nm_ppp_manager_start (priv->ppp_manager, req, + nm_setting_pppoe_get_username (s_pppoe), + 30, 0, &error)) { + _LOGW (LOGD_DEVICE | LOGD_PPP, "PPPoE failed to start: %s", error->message); + g_error_free (error); + + g_clear_object (&priv->ppp_manager); + + NM_SET_OUT (out_failure_reason, NM_DEVICE_STATE_REASON_PPP_START_FAILED); + return NM_ACT_STAGE_RETURN_FAILURE; + } + + g_signal_connect (priv->ppp_manager, NM_PPP_MANAGER_SIGNAL_STATE_CHANGED, + G_CALLBACK (ppp_state_changed), + self); + g_signal_connect (priv->ppp_manager, NM_PPP_MANAGER_SIGNAL_IP4_CONFIG, + G_CALLBACK (ppp_ip4_config), + self); + + return NM_ACT_STAGE_RETURN_POSTPONE; +} + +static NMActStageReturn +act_stage3_ip4_config_start (NMDevice *device, + NMIP4Config **out_config, + NMDeviceStateReason *out_failure_reason) +{ + NMDevicePpp *self = NM_DEVICE_PPP (device); + NMDevicePppPrivate *priv = NM_DEVICE_PPP_GET_PRIVATE (self); + gboolean renamed; + + if (priv->pending_ip4_config) { + if (!nm_device_take_over_link (device, priv->pending_ifname, &renamed)) + return NM_ACT_STAGE_RETURN_FAILURE; + if (renamed) + nm_manager_remove_device (nm_manager_get (), priv->pending_ifname, NM_DEVICE_TYPE_PPP); + if (out_config) + *out_config = g_steal_pointer (&priv->pending_ip4_config); + else + g_clear_object (&priv->pending_ip4_config); + return NM_ACT_STAGE_RETURN_SUCCESS; + } + + /* Wait IPCP termination */ + return NM_ACT_STAGE_RETURN_POSTPONE; +} + +static gboolean +create_and_realize (NMDevice *device, + NMConnection *connection, + NMDevice *parent, + const NMPlatformLink **out_plink, + GError **error) +{ + int parent_ifindex; + + if (!parent) { + g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_MISSING_DEPENDENCIES, + "PPP devices can not be created without a parent interface"); + return FALSE; + } + + parent_ifindex = nm_device_get_ifindex (parent); + g_warn_if_fail (parent_ifindex > 0); + + nm_device_parent_set_ifindex (device, parent_ifindex); + + /* The interface is created later */ + + return TRUE; +} + +static void +deactivate (NMDevice *device) +{ + NMDevicePpp *self = NM_DEVICE_PPP (device); + NMDevicePppPrivate *priv = NM_DEVICE_PPP_GET_PRIVATE (self); + + if (priv->ppp_manager) { + nm_ppp_manager_stop_sync (priv->ppp_manager); + g_clear_object (&priv->ppp_manager); + } +} + +static void +nm_device_ppp_init (NMDevicePpp *self) +{ +} + +static void +dispose (GObject *object) +{ + NMDevicePpp *self = NM_DEVICE_PPP (object); + NMDevicePppPrivate *priv = NM_DEVICE_PPP_GET_PRIVATE (self); + + g_clear_object (&priv->pending_ip4_config); + nm_clear_g_free (&priv->pending_ifname); + + G_OBJECT_CLASS (nm_device_ppp_parent_class)->dispose (object); +} + +static void +nm_device_ppp_class_init (NMDevicePppClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + NMDeviceClass *parent_class = NM_DEVICE_CLASS (klass); + + NM_DEVICE_CLASS_DECLARE_TYPES (klass, NM_SETTING_PPPOE_SETTING_NAME, NM_LINK_TYPE_PPP) + + object_class->dispose = dispose; + + parent_class->act_stage2_config = act_stage2_config; + parent_class->act_stage3_ip4_config_start = act_stage3_ip4_config_start; + parent_class->check_connection_compatible = check_connection_compatible; + parent_class->create_and_realize = create_and_realize; + parent_class->deactivate = deactivate; + parent_class->get_generic_capabilities = get_generic_capabilities; + + nm_exported_object_class_add_interface (NM_EXPORTED_OBJECT_CLASS (klass), + NMDBUS_TYPE_DEVICE_PPP_SKELETON, + NULL); +} + +/*****************************************************************************/ + +#define NM_TYPE_PPP_DEVICE_FACTORY (nm_ppp_device_factory_get_type ()) +#define NM_PPP_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_PPP_DEVICE_FACTORY, NMPppDeviceFactory)) + +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_PPP, + NM_DEVICE_IFACE, iface, + NM_DEVICE_TYPE_DESC, "Ppp", + NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_PPP, + NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_PPP, + NULL); +} + +static gboolean +match_connection (NMDeviceFactory *factory, NMConnection *connection) +{ + NMSettingPppoe *s_pppoe; + + s_pppoe = nm_connection_get_setting_pppoe (connection); + nm_assert (s_pppoe); + + return !!nm_setting_pppoe_get_parent (s_pppoe); +} + +static const char * +get_connection_parent (NMDeviceFactory *factory, NMConnection *connection) +{ + NMSettingPppoe *s_pppoe; + + nm_assert (nm_connection_is_type (connection, NM_SETTING_PPPOE_SETTING_NAME)); + + s_pppoe = nm_connection_get_setting_pppoe (connection); + nm_assert (s_pppoe); + + return nm_setting_pppoe_get_parent (s_pppoe); +} + +static char * +get_connection_iface (NMDeviceFactory *factory, + NMConnection *connection, + const char *parent_iface) +{ + nm_assert (nm_connection_is_type (connection, NM_SETTING_PPPOE_SETTING_NAME)); + + if (!parent_iface) + return NULL; + + return g_strdup (nm_connection_get_interface_name (connection)); +} + +NM_DEVICE_FACTORY_DEFINE_INTERNAL (PPP, Ppp, ppp, + NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_PPP) + NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_PPPOE_SETTING_NAME), + factory_class->get_connection_parent = get_connection_parent; + factory_class->get_connection_iface = get_connection_iface; + factory_class->create_device = create_device; + factory_class->match_connection = match_connection; +); |