/* -*- Mode: C; tab-width: 5; indent-tabs-mode: t; c-basic-offset: 5 -*- */ /* NetworkManager -- Network link manager * * Dan Williams * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * (C) Copyright 2005 Red Hat, Inc. */ #include #include #include #include #include #include #include #include #include #include "nm-device-interface.h" #include "nm-device.h" #include "nm-device-private.h" #include "NetworkManagerPolicy.h" #include "NetworkManagerUtils.h" #include "NetworkManagerSystem.h" #include "nm-dhcp-manager.h" #include "nm-dbus-manager.h" #include "nm-named-manager.h" #include "nm-utils.h" #include "autoip.h" #include "nm-netlink.h" #include "nm-setting-ip4-config.h" #include "nm-setting-connection.h" #include "nm-dnsmasq-manager.h" #define NM_ACT_REQUEST_IP4_CONFIG "nm-act-request-ip4-config" static void device_interface_init (NMDeviceInterface *device_interface_class); G_DEFINE_TYPE_EXTENDED (NMDevice, nm_device, G_TYPE_OBJECT, G_TYPE_FLAG_ABSTRACT, G_IMPLEMENT_INTERFACE (NM_TYPE_DEVICE_INTERFACE, device_interface_init)) #define NM_DEVICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE, NMDevicePrivate)) struct _NMDevicePrivate { gboolean dispose_has_run; gboolean initialized; guint start_timer; NMDeviceState state; guint failed_to_disconnected_id; char * udi; char * iface; /* may change, could be renamed by user */ char * ip_iface; NMDeviceType type; guint32 capabilities; char * driver; gboolean managed; /* whether managed by NM or not */ guint32 ip4_address; struct in6_addr ip6_address; NMActRequest * act_request; guint act_source_id; gulong secrets_updated_id; gulong secrets_failed_id; /* IP configuration info */ NMIP4Config * ip4_config; /* Config from DHCP, PPP, or system config files */ NMDHCPManager * dhcp_manager; gulong dhcp_state_sigid; gulong dhcp_timeout_sigid; NMDnsMasqManager * dnsmasq_manager; gulong dnsmasq_state_id; }; static gboolean check_connection_compatible (NMDeviceInterface *device, NMConnection *connection, GError **error); static gboolean nm_device_activate (NMDeviceInterface *device, NMActRequest *req, GError **error); static void nm_device_activate_schedule_stage5_ip_config_commit (NMDevice *self); static void nm_device_deactivate (NMDeviceInterface *device); static gboolean nm_device_bring_up (NMDevice *self, gboolean wait); static gboolean nm_device_is_up (NMDevice *self); static void device_interface_init (NMDeviceInterface *device_interface_class) { /* interface implementation */ device_interface_class->check_connection_compatible = check_connection_compatible; device_interface_class->activate = nm_device_activate; device_interface_class->deactivate = nm_device_deactivate; } static void nm_device_init (NMDevice * self) { self->priv = NM_DEVICE_GET_PRIVATE (self); self->priv->dispose_has_run = FALSE; self->priv->initialized = FALSE; self->priv->udi = NULL; self->priv->iface = NULL; self->priv->type = NM_DEVICE_TYPE_UNKNOWN; self->priv->capabilities = NM_DEVICE_CAP_NONE; self->priv->driver = NULL; self->priv->ip4_address = 0; memset (&self->priv->ip6_address, 0, sizeof (struct in6_addr)); self->priv->act_source_id = 0; self->priv->ip4_config = NULL; self->priv->state = NM_DEVICE_STATE_UNMANAGED; } static gboolean device_start (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); self->priv->start_timer = 0; nm_device_state_changed (self, NM_DEVICE_STATE_UNAVAILABLE); return FALSE; } static GObject* constructor (GType type, guint n_construct_params, GObjectConstructParam *construct_params) { GObject *object; NMDevice *dev; NMDevicePrivate *priv; object = G_OBJECT_CLASS (nm_device_parent_class)->constructor (type, n_construct_params, construct_params); if (!object) return NULL; dev = NM_DEVICE (object); priv = NM_DEVICE_GET_PRIVATE (dev); if (!priv->udi) { nm_warning ("No device udi provided, ignoring"); goto error; } if (!priv->iface) { nm_warning ("No device interface provided, ignoring"); goto error; } priv->capabilities |= NM_DEVICE_GET_CLASS (dev)->get_generic_capabilities (dev); if (!(priv->capabilities & NM_DEVICE_CAP_NM_SUPPORTED)) { nm_warning ("(%s): Device unsupported, ignoring.", priv->iface); goto error; } nm_print_device_capabilities (dev); /* Delay transition from UNMANAGED to UNAVAILABLE until we've given the * system settings service a chance to figure out whether the device is * managed or not. */ priv->start_timer = g_timeout_add (4000, device_start, dev); priv->initialized = TRUE; return object; error: g_object_unref (dev); return NULL; } static gboolean nm_device_hw_is_up (NMDevice *self) { g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); if (NM_DEVICE_GET_CLASS (self)->hw_is_up) return NM_DEVICE_GET_CLASS (self)->hw_is_up (self); return TRUE; } static guint32 real_get_generic_capabilities (NMDevice *dev) { return 0; } const char * nm_device_get_udi (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); return self->priv->udi; } /* * Get/set functions for iface */ const char * nm_device_get_iface (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); return self->priv->iface; } const char * nm_device_get_ip_iface (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); /* If it's not set, default to iface */ return self->priv->ip_iface ? self->priv->ip_iface : self->priv->iface; } void nm_device_set_ip_iface (NMDevice *self, const char *iface) { g_return_if_fail (NM_IS_DEVICE (self)); g_free (self->priv->ip_iface); self->priv->ip_iface = iface ? g_strdup (iface) : NULL; } /* * Get/set functions for driver */ const char * nm_device_get_driver (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); return self->priv->driver; } /* * Get/set functions for type */ NMDeviceType nm_device_get_device_type (NMDevice *self) { g_return_val_if_fail (NM_IS_DEVICE (self), NM_DEVICE_TYPE_UNKNOWN); return self->priv->type; } void nm_device_set_device_type (NMDevice *dev, NMDeviceType type) { g_return_if_fail (NM_IS_DEVICE (dev)); g_return_if_fail (NM_DEVICE_GET_PRIVATE (dev)->type == NM_DEVICE_TYPE_UNKNOWN); NM_DEVICE_GET_PRIVATE (dev)->type = type; } /* * Accessor for capabilities */ guint32 nm_device_get_capabilities (NMDevice *self) { g_return_val_if_fail (self != NULL, NM_DEVICE_CAP_NONE); return self->priv->capabilities; } /* * Accessor for type-specific capabilities */ guint32 nm_device_get_type_capabilities (NMDevice *self) { g_return_val_if_fail (self != NULL, NM_DEVICE_CAP_NONE); return NM_DEVICE_GET_CLASS (self)->get_type_capabilities (self); } static guint32 real_get_type_capabilities (NMDevice *self) { return NM_DEVICE_CAP_NONE; } /* * nm_device_get_act_request * * Return the devices activation request, if any. * */ NMActRequest * nm_device_get_act_request (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); return self->priv->act_request; } gboolean nm_device_can_activate (NMDevice *self) { if (NM_DEVICE_GET_CLASS (self)->can_activate) return NM_DEVICE_GET_CLASS (self)->can_activate (self); return TRUE; } NMConnection * nm_device_get_best_auto_connection (NMDevice *dev, GSList *connections, char **specific_object) { guint32 caps; g_return_val_if_fail (NM_IS_DEVICE (dev), NULL); g_return_val_if_fail (specific_object != NULL, NULL); g_return_val_if_fail (*specific_object == NULL, NULL); caps = nm_device_get_capabilities (dev); /* Don't use devices that SUCK */ if (!(caps & NM_DEVICE_CAP_NM_SUPPORTED)) return NULL; if (!NM_DEVICE_GET_CLASS (dev)->get_best_auto_connection) return NULL; return NM_DEVICE_GET_CLASS (dev)->get_best_auto_connection (dev, connections, specific_object); } static void dnsmasq_state_changed_cb (NMDnsMasqManager *manager, guint32 status, gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); switch (status) { case NM_DNSMASQ_STATUS_DEAD: nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); break; default: break; } } /* * nm_device_activate_stage1_device_prepare * * Prepare for device activation * */ static gboolean nm_device_activate_stage1_device_prepare (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); const char * iface; NMActStageReturn ret; /* Clear the activation source ID now that this stage has run */ if (self->priv->act_source_id > 0) self->priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 1 of 5 (Device Prepare) started...", iface); nm_device_state_changed (self, NM_DEVICE_STATE_PREPARE); ret = NM_DEVICE_GET_CLASS (self)->act_stage1_prepare (self); if (ret == NM_ACT_STAGE_RETURN_POSTPONE) { goto out; } else if (ret == NM_ACT_STAGE_RETURN_FAILURE) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS); nm_device_activate_schedule_stage2_device_config (self); out: nm_info ("Activation (%s) Stage 1 of 5 (Device Prepare) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage1_device_prepare * * Prepare a device for activation * */ void nm_device_activate_schedule_stage1_device_prepare (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); priv->act_source_id = g_idle_add (nm_device_activate_stage1_device_prepare, self); nm_info ("Activation (%s) Stage 1 of 5 (Device Prepare) scheduled...", nm_device_get_iface (self)); } static NMActStageReturn real_act_stage1_prepare (NMDevice *dev) { /* Nothing to do */ return NM_ACT_STAGE_RETURN_SUCCESS; } static NMActStageReturn real_act_stage2_config (NMDevice *dev) { /* Nothing to do */ return NM_ACT_STAGE_RETURN_SUCCESS; } /* * nm_device_activate_stage2_device_config * * Determine device parameters and set those on the device, ie * for wireless devices, set SSID, keys, etc. * */ static gboolean nm_device_activate_stage2_device_config (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); const char * iface; NMActStageReturn ret; /* Clear the activation source ID now that this stage has run */ if (self->priv->act_source_id > 0) self->priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 2 of 5 (Device Configure) starting...", iface); nm_device_state_changed (self, NM_DEVICE_STATE_CONFIG); if (!nm_device_bring_up (self, FALSE)) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } ret = NM_DEVICE_GET_CLASS (self)->act_stage2_config (self); if (ret == NM_ACT_STAGE_RETURN_POSTPONE) goto out; else if (ret == NM_ACT_STAGE_RETURN_FAILURE) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS); nm_info ("Activation (%s) Stage 2 of 5 (Device Configure) successful.", iface); nm_device_activate_schedule_stage3_ip_config_start (self); out: nm_info ("Activation (%s) Stage 2 of 5 (Device Configure) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage2_device_config * * Schedule setup of the hardware device * */ void nm_device_activate_schedule_stage2_device_config (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); priv->act_source_id = g_idle_add (nm_device_activate_stage2_device_config, self); nm_info ("Activation (%s) Stage 2 of 5 (Device Configure) scheduled...", nm_device_get_iface (self)); } static NMActStageReturn real_act_stage3_ip_config_start (NMDevice *self) { NMSettingIP4Config *setting; NMActRequest *req; NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS; req = nm_device_get_act_request (self); setting = (NMSettingIP4Config *) nm_connection_get_setting (nm_act_request_get_connection (req), NM_TYPE_SETTING_IP4_CONFIG); /* If we did not receive IP4 configuration information, default to DHCP */ if (!setting || !strcmp (setting->method, NM_SETTING_IP4_CONFIG_METHOD_DHCP)) { NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); gboolean success; /* Begin a DHCP transaction on the interface */ nm_device_set_use_dhcp (self, TRUE); /* DHCP manager will cancel any transaction already in progress and we do not want to cancel this activation if we get "down" state from that. */ g_signal_handler_block (priv->dhcp_manager, priv->dhcp_state_sigid); success = nm_dhcp_manager_begin_transaction (priv->dhcp_manager, nm_device_get_iface (self), 45); g_signal_handler_unblock (priv->dhcp_manager, priv->dhcp_state_sigid); if (success) { /* DHCP devices will be notified by the DHCP manager when * stuff happens. */ ret = NM_ACT_STAGE_RETURN_POSTPONE; } else ret = NM_ACT_STAGE_RETURN_FAILURE; } return ret; } /* * nm_device_activate_stage3_ip_config_start * * Begin IP configuration with either DHCP or static IP. * */ static gboolean nm_device_activate_stage3_ip_config_start (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); const char * iface; NMActStageReturn ret; /* Clear the activation source ID now that this stage has run */ if (self->priv->act_source_id > 0) self->priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 3 of 5 (IP Configure Start) started...", iface); nm_device_state_changed (self, NM_DEVICE_STATE_IP_CONFIG); ret = NM_DEVICE_GET_CLASS (self)->act_stage3_ip_config_start (self); if (ret == NM_ACT_STAGE_RETURN_POSTPONE) goto out; else if (ret == NM_ACT_STAGE_RETURN_FAILURE) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS); nm_device_activate_schedule_stage4_ip_config_get (self); out: nm_info ("Activation (%s) Stage 3 of 5 (IP Configure Start) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage3_ip_config_start * * Schedule IP configuration start */ void nm_device_activate_schedule_stage3_ip_config_start (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); self->priv->act_source_id = g_idle_add (nm_device_activate_stage3_ip_config_start, self); nm_info ("Activation (%s) Stage 3 of 5 (IP Configure Start) scheduled.", nm_device_get_iface (self)); } /* * nm_device_new_ip4_autoip_config * * Build up an IP config with a Link Local address * */ static NMIP4Config * nm_device_new_ip4_autoip_config (NMDevice *self) { struct in_addr ip; NMIP4Config *config = NULL; NMSettingIP4Address *addr; g_return_val_if_fail (self != NULL, NULL); // FIXME: make our autoip implementation not suck; use avahi-autoip if (!get_autoip (self, &ip)) return NULL; config = nm_ip4_config_new (); addr = g_malloc0 (sizeof (NMSettingIP4Address)); addr->address = (guint32) ip.s_addr; addr->netmask = (guint32) ntohl (0xFFFF0000); nm_ip4_config_take_address (config, addr); return config; } static GHashTable *shared_ips = NULL; static void release_shared_ip (gpointer data) { g_hash_table_remove (shared_ips, data); } static guint32 reserve_shared_ip (void) { guint32 start = (guint32) ntohl (0x0a2a2b01); /* 10.42.43.1 */ guint32 count = 0; while (g_hash_table_lookup (shared_ips, GUINT_TO_POINTER (start + count))) { count += ntohl (0x100); if (count > ntohl (0xFE00)) { nm_warning ("%s: ran out of shared IP addresses!", __func__); return 0; } } g_hash_table_insert (shared_ips, GUINT_TO_POINTER (start + count), GUINT_TO_POINTER (TRUE)); return start + count; } static NMIP4Config * nm_device_new_ip4_shared_config (NMDevice *self) { NMIP4Config *config = NULL; NMSettingIP4Address *addr; guint32 tmp_addr; g_return_val_if_fail (self != NULL, NULL); if (G_UNLIKELY (shared_ips == NULL)) shared_ips = g_hash_table_new (g_direct_hash, g_direct_equal); tmp_addr = reserve_shared_ip (); if (!tmp_addr) return NULL; config = nm_ip4_config_new (); addr = g_malloc0 (sizeof (NMSettingIP4Address)); addr->address = tmp_addr; addr->netmask = (guint32) ntohl (0xFFFFFF00); /* 255.255.255.0 */ nm_ip4_config_take_address (config, addr); /* Remove the address lock when the object gets disposed */ g_object_set_data_full (G_OBJECT (config), "shared-ip", GUINT_TO_POINTER (addr->address), release_shared_ip); return config; } static NMActStageReturn real_act_stage4_get_ip4_config (NMDevice *self, NMIP4Config **config) { NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE; NMConnection *connection; NMSettingIP4Config *s_ip4; g_return_val_if_fail (config != NULL, NM_ACT_STAGE_RETURN_FAILURE); g_return_val_if_fail (*config == NULL, NM_ACT_STAGE_RETURN_FAILURE); connection = nm_act_request_get_connection (nm_device_get_act_request (self)); g_assert (connection); s_ip4 = (NMSettingIP4Config *) nm_connection_get_setting (connection, NM_TYPE_SETTING_IP4_CONFIG); if (nm_device_get_use_dhcp (self)) { *config = nm_dhcp_manager_get_ip4_config (NM_DEVICE_GET_PRIVATE (self)->dhcp_manager, nm_device_get_iface (self)); if (*config) nm_utils_merge_ip4_config (*config, s_ip4); } else { g_assert (s_ip4); if (!strcmp (s_ip4->method, NM_SETTING_IP4_CONFIG_METHOD_AUTOIP)) { *config = nm_device_new_ip4_autoip_config (self); } else if (!strcmp (s_ip4->method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL)) { *config = nm_ip4_config_new (); if (*config) nm_utils_merge_ip4_config (*config, s_ip4); } else if (!strcmp (s_ip4->method, NM_SETTING_IP4_CONFIG_METHOD_SHARED)) { *config = nm_device_new_ip4_shared_config (self); if (*config) priv->dnsmasq_manager = nm_dnsmasq_manager_new (nm_device_get_ip_iface (self)); } } if (!*config) { /* Make sure device is up even if config fails */ nm_device_bring_up (self, FALSE); } else ret = NM_ACT_STAGE_RETURN_SUCCESS; return ret; } /* * nm_device_activate_stage4_ip_config_get * * Retrieve the correct IP config. * */ static gboolean nm_device_activate_stage4_ip_config_get (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); NMIP4Config * ip4_config = NULL; NMActStageReturn ret; const char * iface = NULL; /* Clear the activation source ID now that this stage has run */ if (self->priv->act_source_id > 0) self->priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Get) started...", iface); ret = NM_DEVICE_GET_CLASS (self)->act_stage4_get_ip4_config (self, &ip4_config); if (ret == NM_ACT_STAGE_RETURN_POSTPONE) goto out; else if (!ip4_config || (ret == NM_ACT_STAGE_RETURN_FAILURE)) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS); g_object_set_data (G_OBJECT (nm_device_get_act_request (self)), NM_ACT_REQUEST_IP4_CONFIG, ip4_config); nm_device_activate_schedule_stage5_ip_config_commit (self); out: nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Get) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage4_ip_config_get * * Schedule creation of the IP config * */ void nm_device_activate_schedule_stage4_ip_config_get (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); priv->act_source_id = g_idle_add (nm_device_activate_stage4_ip_config_get, self); nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Get) scheduled...", nm_device_get_iface (self)); } static NMActStageReturn real_act_stage4_ip_config_timeout (NMDevice *self, NMIP4Config **config) { g_return_val_if_fail (config != NULL, NM_ACT_STAGE_RETURN_FAILURE); g_return_val_if_fail (*config == NULL, NM_ACT_STAGE_RETURN_FAILURE); /* DHCP failed; connection must fail */ return NM_ACT_STAGE_RETURN_FAILURE; } /* * nm_device_activate_stage4_ip_config_timeout * * Retrieve the correct IP config. * */ static gboolean nm_device_activate_stage4_ip_config_timeout (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); NMIP4Config * ip4_config = NULL; const char * iface; NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE; /* Clear the activation source ID now that this stage has run */ if (self->priv->act_source_id > 0) self->priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Timeout) started...", iface); ret = NM_DEVICE_GET_CLASS (self)->act_stage4_ip_config_timeout (self, &ip4_config); if (ret == NM_ACT_STAGE_RETURN_POSTPONE) { goto out; } else if (!ip4_config || (ret == NM_ACT_STAGE_RETURN_FAILURE)) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS); g_assert (ip4_config); g_object_set_data (G_OBJECT (nm_device_get_act_request (self)), NM_ACT_REQUEST_IP4_CONFIG, ip4_config); nm_device_activate_schedule_stage5_ip_config_commit (self); out: nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Timeout) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage4_ip_config_timeout * * Deal with a timed out DHCP transaction * */ void nm_device_activate_schedule_stage4_ip_config_timeout (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); priv->act_source_id = g_idle_add (nm_device_activate_stage4_ip_config_timeout, self); nm_info ("Activation (%s) Stage 4 of 5 (IP Configure Timeout) scheduled...", nm_device_get_iface (self)); } /* * nm_device_activate_stage5_ip_config_commit * * Commit the IP config on the device * */ static gboolean nm_device_activate_stage5_ip_config_commit (gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); NMIP4Config *ip4_config = NULL; const char *iface; NMConnection *connection; NMSettingIP4Config *s_ip4; ip4_config = g_object_get_data (G_OBJECT (nm_device_get_act_request (self)), NM_ACT_REQUEST_IP4_CONFIG); g_assert (ip4_config); /* Clear the activation source ID now that this stage has run */ if (priv->act_source_id > 0) priv->act_source_id = 0; iface = nm_device_get_iface (self); nm_info ("Activation (%s) Stage 5 of 5 (IP Configure Commit) started...", iface); if (!nm_device_set_ip4_config (self, ip4_config)) { nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } connection = nm_act_request_get_connection (nm_device_get_act_request (self)); s_ip4 = (NMSettingIP4Config *) nm_connection_get_setting (connection, NM_TYPE_SETTING_IP4_CONFIG); if (s_ip4 && !strcmp (s_ip4->method, "shared")) { GError *error = NULL; if (!nm_dnsmasq_manager_start (priv->dnsmasq_manager, ip4_config, &error)) { nm_warning ("(%s): failed to start dnsmasq: %s", iface, error->message); g_error_free (error); nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); goto out; } priv->dnsmasq_state_id = g_signal_connect (priv->dnsmasq_manager, "state-changed", G_CALLBACK (dnsmasq_state_changed_cb), self); } nm_device_state_changed (self, NM_DEVICE_STATE_ACTIVATED); out: nm_info ("Activation (%s) Stage 5 of 5 (IP Configure Commit) complete.", iface); return FALSE; } /* * nm_device_activate_schedule_stage5_ip_config_commit * * Schedule commit of the IP config */ static void nm_device_activate_schedule_stage5_ip_config_commit (NMDevice *self) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->act_request); priv->act_source_id = g_idle_add (nm_device_activate_stage5_ip_config_commit, self); nm_info ("Activation (%s) Stage 5 of 5 (IP Configure Commit) scheduled...", nm_device_get_iface (self)); } static void clear_act_request (NMDevice *self) { NMDevicePrivate * priv; g_return_if_fail (self != NULL); priv = NM_DEVICE_GET_PRIVATE (self); if (!priv->act_request) return; if (priv->secrets_updated_id) { g_signal_handler_disconnect (priv->act_request, priv->secrets_updated_id); priv->secrets_updated_id = 0; } if (priv->secrets_failed_id) { g_signal_handler_disconnect (priv->act_request, priv->secrets_failed_id); priv->secrets_failed_id = 0; } nm_act_request_set_default (priv->act_request, FALSE); g_object_unref (priv->act_request); priv->act_request = NULL; } /* * nm_device_deactivate_quickly * * Quickly deactivate a device, for things like sleep, etc. Doesn't * clean much stuff up, and nm_device_deactivate() should be called * on the device eventually. * */ gboolean nm_device_deactivate_quickly (NMDevice *self) { NMDevicePrivate *priv; g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); priv = NM_DEVICE_GET_PRIVATE (self); nm_system_shutdown_nis (); /* Break the activation chain */ if (priv->act_source_id) { g_source_remove (priv->act_source_id); priv->act_source_id = 0; } if (priv->failed_to_disconnected_id) { g_source_remove (priv->failed_to_disconnected_id); priv->failed_to_disconnected_id = 0; } /* Stop any ongoing DHCP transaction on this device */ if (nm_device_get_act_request (self)) { if (nm_device_get_use_dhcp (self)) { nm_dhcp_manager_cancel_transaction (priv->dhcp_manager, nm_device_get_iface (self)); nm_device_set_use_dhcp (self, FALSE); } else if (priv->dnsmasq_manager) { if (priv->dnsmasq_state_id) { g_signal_handler_disconnect (priv->dnsmasq_manager, priv->dnsmasq_state_id); priv->dnsmasq_state_id = 0; } nm_dnsmasq_manager_stop (priv->dnsmasq_manager); g_object_unref (priv->dnsmasq_manager); priv->dnsmasq_manager = NULL; } } /* Tear down an existing activation request */ clear_act_request (self); /* Call device type-specific deactivation */ if (NM_DEVICE_GET_CLASS (self)->deactivate_quickly) NM_DEVICE_GET_CLASS (self)->deactivate_quickly (self); return TRUE; } /* * nm_device_deactivate * * Remove a device's routing table entries and IP address. * */ static void nm_device_deactivate (NMDeviceInterface *device) { NMDevice *self = NM_DEVICE (device); g_return_if_fail (self != NULL); nm_info ("(%s): deactivating device.", nm_device_get_iface (self)); nm_device_deactivate_quickly (self); /* Clean up nameservers and addresses */ nm_device_set_ip4_config (self, NULL); /* Take out any entries in the routing table and any IP address the device had. */ nm_system_device_flush_ip4_routes (self); nm_system_device_flush_ip4_addresses (self); nm_device_update_ip4_address (self); /* Call device type-specific deactivation */ if (NM_DEVICE_GET_CLASS (self)->deactivate) NM_DEVICE_GET_CLASS (self)->deactivate (self); } static gboolean check_connection_compatible (NMDeviceInterface *dev_iface, NMConnection *connection, GError **error) { NMDeviceClass *klass = NM_DEVICE_GET_CLASS (NM_DEVICE (dev_iface)); if (klass->check_connection_compatible) return klass->check_connection_compatible (NM_DEVICE (dev_iface), connection, error); return TRUE; } static void connection_secrets_updated_cb (NMActRequest *req, NMConnection *connection, GSList *updated_settings, gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); if (NM_DEVICE_GET_CLASS (self)->connection_secrets_updated) NM_DEVICE_GET_CLASS (self)->connection_secrets_updated (self, connection, updated_settings); } static void connection_secrets_failed_cb (NMActRequest *req, NMConnection *connection, const char *setting_name, gpointer user_data) { NMDevice *self = NM_DEVICE (user_data); nm_device_state_changed (self, NM_DEVICE_STATE_FAILED); } static gboolean device_activation_precheck (NMDevice *self, NMConnection *connection, GError **error) { NMConnection *current_connection; g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); g_return_val_if_fail (NM_IS_CONNECTION (connection), FALSE); if (nm_device_get_state (self) != NM_DEVICE_STATE_ACTIVATED) return TRUE; if (!nm_device_is_activating (self)) return TRUE; // FIXME: why not just check connection path & service? current_connection = nm_act_request_get_connection (nm_device_get_act_request (self)); if (nm_connection_compare (connection, current_connection, COMPARE_FLAGS_EXACT)) { /* Already activating or activated with the same connection */ g_set_error (error, NM_DEVICE_INTERFACE_ERROR, NM_DEVICE_INTERFACE_ERROR_CONNECTION_ACTIVATING, "%s", "Connection is already activating"); return FALSE; } return TRUE; } static gboolean nm_device_activate (NMDeviceInterface *device, NMActRequest *req, GError **error) { NMDevice *self = NM_DEVICE (device); NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self); if (!device_activation_precheck (self, nm_act_request_get_connection (req), error)) { g_assert (*error); return FALSE; } priv->act_request = g_object_ref (req); priv->secrets_updated_id = g_signal_connect (req, "connection-secrets-updated", G_CALLBACK (connection_secrets_updated_cb), device); priv->secrets_failed_id = g_signal_connect (req, "connection-secrets-failed", G_CALLBACK (connection_secrets_failed_cb), device); /* HACK: update the state a bit early to avoid a race between the * scheduled stage1 handler and nm_policy_device_change_check() thinking * that the activation request isn't deferred because the deferred bit * gets cleared a bit too early, when the connection becomes valid. */ nm_device_state_changed (self, NM_DEVICE_STATE_PREPARE); nm_device_activate_schedule_stage1_device_prepare (self); return TRUE; } /* * nm_device_is_activating * * Return whether or not the device is currently activating itself. * */ gboolean nm_device_is_activating (NMDevice *device) { NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device); g_return_val_if_fail (NM_IS_DEVICE (device), FALSE); switch (nm_device_get_state (device)) { case NM_DEVICE_STATE_PREPARE: case NM_DEVICE_STATE_CONFIG: case NM_DEVICE_STATE_NEED_AUTH: case NM_DEVICE_STATE_IP_CONFIG: return TRUE; break; default: break; } /* There's a small race between the time when stage 1 is scheduled * and when the device actually sets STATE_PREPARE when the activation * handler is actually run. If there's an activation handler scheduled * we're activating anyway. */ if (priv->act_source_id) return TRUE; return FALSE; } gboolean nm_device_can_interrupt_activation (NMDevice *self) { gboolean interrupt = FALSE; g_return_val_if_fail (self != NULL, FALSE); if (NM_DEVICE_GET_CLASS (self)->can_interrupt_activation) interrupt = NM_DEVICE_GET_CLASS (self)->can_interrupt_activation (self); return interrupt; } /* IP Configuration stuff */ static void handle_dhcp_lease_change (NMDevice *device) { NMIP4Config *config; NMSettingIP4Config *s_ip4; NMConnection *connection; NMActRequest *req; if (!nm_device_get_use_dhcp (device)) { nm_warning ("got DHCP rebind for device that wasn't using DHCP."); return; } config = nm_dhcp_manager_get_ip4_config (NM_DEVICE_GET_PRIVATE (device)->dhcp_manager, nm_device_get_iface (device)); if (!config) { nm_warning ("failed to get DHCP config for rebind"); nm_device_state_changed (device, NM_DEVICE_STATE_FAILED); return; } req = nm_device_get_act_request (device); g_assert (req); connection = nm_act_request_get_connection (req); g_assert (connection); s_ip4 = NM_SETTING_IP4_CONFIG (nm_connection_get_setting (connection, NM_TYPE_SETTING_IP4_CONFIG)); nm_utils_merge_ip4_config (config, s_ip4); g_object_set_data (G_OBJECT (req), NM_ACT_REQUEST_IP4_CONFIG, config); if (!nm_device_set_ip4_config (device, config)) { nm_warning ("Failed to update IP4 config in response to DHCP event."); nm_device_state_changed (device, NM_DEVICE_STATE_FAILED); } } static void dhcp_state_changed (NMDHCPManager *dhcp_manager, const char *iface, NMDHCPState state, gpointer user_data) { NMDevice *device = NM_DEVICE (user_data); NMDeviceState dev_state; if (strcmp (nm_device_get_iface (device), iface) != 0) return; if (!nm_device_get_act_request (device)) return; dev_state = nm_device_get_state (device); switch (state) { case DHC_BOUND: /* lease obtained */ case DHC_RENEW: /* lease renewed */ case DHC_REBOOT: /* have valid lease, but now obtained a different one */ case DHC_REBIND: /* new, different lease */ if (dev_state == NM_DEVICE_STATE_IP_CONFIG) nm_device_activate_schedule_stage4_ip_config_get (device); else if (dev_state == NM_DEVICE_STATE_ACTIVATED) handle_dhcp_lease_change (device); break; case DHC_TIMEOUT: /* timed out contacting DHCP server */ if (nm_device_get_state (device) == NM_DEVICE_STATE_IP_CONFIG) nm_device_activate_schedule_stage4_ip_config_timeout (device); break; case DHC_FAIL: /* all attempts to contact server timed out, sleeping */ case DHC_ABEND: /* dhclient exited abnormally */ case DHC_END: /* dhclient exited normally */ if (nm_device_get_state (device) == NM_DEVICE_STATE_IP_CONFIG) { nm_device_state_changed (device, NM_DEVICE_STATE_FAILED); } else if (nm_device_get_state (device) == NM_DEVICE_STATE_ACTIVATED) { if (nm_device_get_use_dhcp (device)) { /* dhclient quit and therefore can't renew our lease, kill the conneciton */ nm_device_state_changed (device, NM_DEVICE_STATE_FAILED); } } break; default: break; } } static void dhcp_timeout (NMDHCPManager *dhcp_manager, const char *iface, gpointer user_data) { NMDevice * device = NM_DEVICE (user_data); if (strcmp (nm_device_get_iface (device), iface) != 0) return; if (nm_device_get_state (device) == NM_DEVICE_STATE_IP_CONFIG) nm_device_activate_schedule_stage4_ip_config_timeout (device); } gboolean nm_device_get_use_dhcp (NMDevice *self) { g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); return NM_DEVICE_GET_PRIVATE (self)->dhcp_manager ? TRUE : FALSE; } void nm_device_set_use_dhcp (NMDevice *self, gboolean use_dhcp) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (self)); priv = NM_DEVICE_GET_PRIVATE (self); if (use_dhcp) { if (!priv->dhcp_manager) { priv->dhcp_manager = nm_dhcp_manager_get (); priv->dhcp_state_sigid = g_signal_connect (priv->dhcp_manager, "state-changed", G_CALLBACK (dhcp_state_changed), self); priv->dhcp_timeout_sigid = g_signal_connect (priv->dhcp_manager, "timeout", G_CALLBACK (dhcp_timeout), self); } } else if (priv->dhcp_manager) { g_signal_handler_disconnect (priv->dhcp_manager, priv->dhcp_state_sigid); priv->dhcp_state_sigid = 0; g_signal_handler_disconnect (priv->dhcp_manager, priv->dhcp_timeout_sigid); priv->dhcp_timeout_sigid = 0; g_object_unref (priv->dhcp_manager); priv->dhcp_manager = NULL; } } NMIP4Config * nm_device_get_ip4_config (NMDevice *self) { g_return_val_if_fail (self != NULL, NULL); return NM_DEVICE_GET_PRIVATE (self)->ip4_config; } gboolean nm_device_set_ip4_config (NMDevice *self, NMIP4Config *config) { NMDevicePrivate *priv; const char *ip_iface; gboolean success; g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); priv = NM_DEVICE_GET_PRIVATE (self); if (priv->ip4_config) { NMNamedManager *named_mgr; /* Remove any previous IP4 Config from the named manager */ named_mgr = nm_named_manager_get (); nm_named_manager_remove_ip4_config (named_mgr, priv->ip4_config); g_object_unref (named_mgr); g_object_unref (priv->ip4_config); priv->ip4_config = NULL; } if (!config) return TRUE; priv->ip4_config = g_object_ref (config); ip_iface = nm_device_get_ip_iface (self); success = nm_system_device_set_from_ip4_config (ip_iface, config); if (success) { nm_device_update_ip4_address (self); nm_system_set_hostname (config); nm_system_activate_nis (config); } g_object_notify (G_OBJECT (self), NM_DEVICE_INTERFACE_IP4_CONFIG); return success; } /* * nm_device_get_ip4_address * * Get a device's IPv4 address * */ guint32 nm_device_get_ip4_address (NMDevice *self) { g_return_val_if_fail (self != NULL, 0); return self->priv->ip4_address; } void nm_device_update_ip4_address (NMDevice *self) { struct ifreq req; guint32 new_address; int fd, err; g_return_if_fail (self != NULL); fd = socket (PF_INET, SOCK_DGRAM, 0); if (fd < 0) { nm_warning ("couldn't open control socket."); return; } memset (&req, 0, sizeof (struct ifreq)); strncpy (req.ifr_name, nm_device_get_iface (self), IFNAMSIZ); err = ioctl (fd, SIOCGIFADDR, &req); close (fd); if (err != 0) return; new_address = ((struct sockaddr_in *)(&req.ifr_addr))->sin_addr.s_addr; if (new_address != nm_device_get_ip4_address (self)) self->priv->ip4_address = new_address; } static gboolean nm_device_is_up (NMDevice *self) { g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); if (NM_DEVICE_GET_CLASS (self)->is_up) return NM_DEVICE_GET_CLASS (self)->is_up (self); return TRUE; } gboolean nm_device_hw_bring_up (NMDevice *self, gboolean wait) { gboolean success; guint32 tries = 0; g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); if (nm_device_hw_is_up (self)) goto out; nm_info ("(%s): bringing up device.", nm_device_get_iface (self)); if (NM_DEVICE_GET_CLASS (self)->hw_bring_up) { success = NM_DEVICE_GET_CLASS (self)->hw_bring_up (self); if (!success) return FALSE; } /* Wait for the device to come up if requested */ while (wait && !nm_device_hw_is_up (self) && (tries++ < 50)) g_usleep (200); if (!nm_device_hw_is_up (self)) { nm_warning ("(%s): device not up after timeout!", nm_device_get_iface (self)); return FALSE; } out: /* Can only get HW address of some devices when they are up */ if (NM_DEVICE_GET_CLASS (self)->update_hw_address) NM_DEVICE_GET_CLASS (self)->update_hw_address (self); nm_device_update_ip4_address (self); return TRUE; } void nm_device_hw_take_down (NMDevice *self, gboolean wait) { guint32 tries = 0; g_return_if_fail (NM_IS_DEVICE (self)); if (!nm_device_hw_is_up (self)) return; nm_info ("(%s): taking down device.", nm_device_get_iface (self)); if (NM_DEVICE_GET_CLASS (self)->hw_take_down) NM_DEVICE_GET_CLASS (self)->hw_take_down (self); /* Wait for the device to come up if requested */ while (wait && nm_device_hw_is_up (self) && (tries++ < 50)) g_usleep (200); } static gboolean nm_device_bring_up (NMDevice *self, gboolean wait) { gboolean success; g_return_val_if_fail (NM_IS_DEVICE (self), FALSE); if (!nm_device_hw_bring_up (self, wait)) return FALSE; if (nm_device_is_up (self)) return TRUE; nm_info ("(%s): preparing device.", nm_device_get_iface (self)); if (NM_DEVICE_GET_CLASS (self)->bring_up) { success = NM_DEVICE_GET_CLASS (self)->bring_up (self); if (!success) return FALSE; } return TRUE; } void nm_device_take_down (NMDevice *self, gboolean wait) { g_return_if_fail (NM_IS_DEVICE (self)); if (nm_device_get_act_request (self)) nm_device_interface_deactivate (NM_DEVICE_INTERFACE (self)); if (nm_device_is_up (self)) { nm_info ("(%s): cleaning up...", nm_device_get_iface (self)); if (NM_DEVICE_GET_CLASS (self)->take_down) NM_DEVICE_GET_CLASS (self)->take_down (self); } nm_device_hw_take_down (self, wait); } static void nm_device_dispose (GObject *object) { NMDevice *self = NM_DEVICE (object); if (self->priv->dispose_has_run || !self->priv->initialized) goto out; self->priv->dispose_has_run = TRUE; if (self->priv->start_timer) { g_source_remove (self->priv->start_timer); self->priv->start_timer = 0; } if (self->priv->failed_to_disconnected_id) { g_source_remove (self->priv->failed_to_disconnected_id); self->priv->failed_to_disconnected_id = 0; } /* * In dispose, you are supposed to free all types referenced from this * object which might themselves hold a reference to self. Generally, * the most simple solution is to unref all members on which you own a * reference. */ if (self->priv->managed) { nm_device_take_down (self, FALSE); nm_device_set_ip4_config (self, NULL); } clear_act_request (self); if (self->priv->act_source_id) { g_source_remove (self->priv->act_source_id); self->priv->act_source_id = 0; } nm_device_set_use_dhcp (self, FALSE); if (self->priv->dnsmasq_manager) { if (self->priv->dnsmasq_state_id) { g_signal_handler_disconnect (self->priv->dnsmasq_manager, self->priv->dnsmasq_state_id); self->priv->dnsmasq_state_id = 0; } nm_dnsmasq_manager_stop (self->priv->dnsmasq_manager); g_object_unref (self->priv->dnsmasq_manager); self->priv->dnsmasq_manager = NULL; } out: G_OBJECT_CLASS (nm_device_parent_class)->dispose (object); } static void nm_device_finalize (GObject *object) { NMDevice *self = NM_DEVICE (object); g_free (self->priv->udi); g_free (self->priv->iface); g_free (self->priv->ip_iface); g_free (self->priv->driver); G_OBJECT_CLASS (nm_device_parent_class)->finalize (object); } static void set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (object); switch (prop_id) { case NM_DEVICE_INTERFACE_PROP_UDI: /* construct-only */ priv->udi = g_strdup (g_value_get_string (value)); break; case NM_DEVICE_INTERFACE_PROP_IFACE: g_free (priv->iface); priv->iface = g_value_dup_string (value); break; case NM_DEVICE_INTERFACE_PROP_DRIVER: priv->driver = g_strdup (g_value_get_string (value)); break; case NM_DEVICE_INTERFACE_PROP_CAPABILITIES: priv->capabilities = g_value_get_uint (value); break; case NM_DEVICE_INTERFACE_PROP_IP4_ADDRESS: priv->ip4_address = g_value_get_uint (value); break; case NM_DEVICE_INTERFACE_PROP_MANAGED: priv->managed = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (object); NMDeviceState state; switch (prop_id) { case NM_DEVICE_INTERFACE_PROP_UDI: g_value_set_string (value, priv->udi); break; case NM_DEVICE_INTERFACE_PROP_IFACE: g_value_set_string (value, priv->iface); break; case NM_DEVICE_INTERFACE_PROP_DRIVER: g_value_set_string (value, priv->driver); break; case NM_DEVICE_INTERFACE_PROP_CAPABILITIES: g_value_set_uint (value, priv->capabilities); break; case NM_DEVICE_INTERFACE_PROP_IP4_ADDRESS: g_value_set_uint (value, priv->ip4_address); break; case NM_DEVICE_INTERFACE_PROP_IP4_CONFIG: state = nm_device_get_state (NM_DEVICE (object)); if ( (state == NM_DEVICE_STATE_ACTIVATED) || (state == NM_DEVICE_STATE_IP_CONFIG)) g_value_set_object (value, priv->ip4_config); else g_value_set_object (value, NULL); break; case NM_DEVICE_INTERFACE_PROP_STATE: g_value_set_uint (value, priv->state); break; case NM_DEVICE_INTERFACE_PROP_DEVICE_TYPE: g_value_set_uint (value, priv->type); break; case NM_DEVICE_INTERFACE_PROP_MANAGED: g_value_set_boolean (value, priv->managed); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void nm_device_class_init (NMDeviceClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (object_class, sizeof (NMDevicePrivate)); /* Virtual methods */ object_class->dispose = nm_device_dispose; object_class->finalize = nm_device_finalize; object_class->set_property = set_property; object_class->get_property = get_property; object_class->constructor = constructor; klass->get_type_capabilities = real_get_type_capabilities; klass->get_generic_capabilities = real_get_generic_capabilities; klass->act_stage1_prepare = real_act_stage1_prepare; klass->act_stage2_config = real_act_stage2_config; klass->act_stage3_ip_config_start = real_act_stage3_ip_config_start; klass->act_stage4_get_ip4_config = real_act_stage4_get_ip4_config; klass->act_stage4_ip_config_timeout = real_act_stage4_ip_config_timeout; /* Properties */ g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_UDI, NM_DEVICE_INTERFACE_UDI); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_IFACE, NM_DEVICE_INTERFACE_IFACE); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_DRIVER, NM_DEVICE_INTERFACE_DRIVER); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_CAPABILITIES, NM_DEVICE_INTERFACE_CAPABILITIES); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_IP4_ADDRESS, NM_DEVICE_INTERFACE_IP4_ADDRESS); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_IP4_CONFIG, NM_DEVICE_INTERFACE_IP4_CONFIG); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_STATE, NM_DEVICE_INTERFACE_STATE); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_DEVICE_TYPE, NM_DEVICE_INTERFACE_DEVICE_TYPE); g_object_class_override_property (object_class, NM_DEVICE_INTERFACE_PROP_MANAGED, NM_DEVICE_INTERFACE_MANAGED); } static gboolean failed_to_disconnected (gpointer user_data) { NMDevice *device = NM_DEVICE (user_data); device->priv->failed_to_disconnected_id = 0; nm_device_state_changed (device, NM_DEVICE_STATE_DISCONNECTED); return FALSE; } void nm_device_state_changed (NMDevice *device, NMDeviceState state) { NMDevicePrivate *priv; NMDeviceState old_state; NMActRequest *req; g_return_if_fail (NM_IS_DEVICE (device)); priv = device->priv; if (priv->state == state) return; old_state = priv->state; priv->state = state; nm_info ("(%s): device state change: %d -> %d", nm_device_get_iface (device), old_state, state); if (priv->failed_to_disconnected_id) { g_source_remove (priv->failed_to_disconnected_id); priv->failed_to_disconnected_id = 0; } /* Cache the activation request for the dispatcher */ req = priv->act_request ? g_object_ref (priv->act_request) : NULL; /* Handle the new state here; but anything that could trigger * another state change should be done below. */ switch (state) { case NM_DEVICE_STATE_UNMANAGED: if (old_state > NM_DEVICE_STATE_UNMANAGED) nm_device_take_down (device, TRUE); break; case NM_DEVICE_STATE_UNAVAILABLE: if (old_state == NM_DEVICE_STATE_UNMANAGED) nm_device_bring_up (device, TRUE); /* Fall through, so when the device needs to be deactivated due to * eg carrier changes we actually deactivate it */ case NM_DEVICE_STATE_DISCONNECTED: if (old_state != NM_DEVICE_STATE_UNAVAILABLE) nm_device_interface_deactivate (NM_DEVICE_INTERFACE (device)); break; default: break; } g_object_notify (G_OBJECT (device), NM_DEVICE_INTERFACE_STATE); g_signal_emit_by_name (device, "state-changed", state); /* Post-process the event after internal notification */ switch (state) { case NM_DEVICE_STATE_ACTIVATED: nm_info ("Activation (%s) successful, device activated.", nm_device_get_iface (device)); nm_utils_call_dispatcher ("up", nm_act_request_get_connection (req), device, NULL); break; case NM_DEVICE_STATE_FAILED: nm_info ("Activation (%s) failed.", nm_device_get_iface (device)); priv->failed_to_disconnected_id = g_idle_add (failed_to_disconnected, device); break; default: break; } if (old_state == NM_DEVICE_STATE_ACTIVATED) nm_utils_call_dispatcher ("down", nm_act_request_get_connection (req), device, NULL); /* Dispose of the cached activation request */ if (req) g_object_unref (req); } NMDeviceState nm_device_get_state (NMDevice *device) { g_return_val_if_fail (NM_IS_DEVICE (device), NM_DEVICE_STATE_UNKNOWN); return NM_DEVICE_GET_PRIVATE (device)->state; } gboolean nm_device_get_managed (NMDevice *device) { g_return_val_if_fail (NM_IS_DEVICE (device), FALSE); return NM_DEVICE_GET_PRIVATE (device)->managed; } void nm_device_set_managed (NMDevice *device, gboolean managed) { NMDevicePrivate *priv; g_return_if_fail (NM_IS_DEVICE (device)); priv = NM_DEVICE_GET_PRIVATE (device); if (priv->managed == managed) return; priv->managed = managed; nm_info ("(%s): now %s", nm_device_get_iface (device), managed ? "managed" : "unmanaged"); if (priv->start_timer) { g_source_remove (priv->start_timer); priv->start_timer = 0; } g_object_notify (G_OBJECT (device), NM_DEVICE_INTERFACE_MANAGED); /* If now managed, jump to unavailable */ nm_device_state_changed (device, managed ? NM_DEVICE_STATE_UNAVAILABLE : NM_DEVICE_STATE_UNMANAGED); }