/* * Copyright (C) 2015-2017 Richard Hughes * * SPDX-License-Identifier: LGPL-2.1+ */ #define G_LOG_DOMAIN "FuMain" #include "config.h" #include #include #include #include #include #include #ifdef HAVE_POLKIT #include #endif #include #include #include #include "fwupd-device-private.h" #include "fwupd-plugin-private.h" #include "fwupd-security-attr-private.h" #include "fwupd-release-private.h" #include "fwupd-remote-private.h" #include "fwupd-resources.h" #include "fu-common.h" #include "fu-debug.h" #include "fu-device-private.h" #include "fu-engine.h" #include "fu-install-task.h" #include "fu-security-attrs-private.h" #ifdef HAVE_POLKIT #ifndef HAVE_POLKIT_0_114 #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-function" G_DEFINE_AUTOPTR_CLEANUP_FUNC(PolkitAuthorizationResult, g_object_unref) G_DEFINE_AUTOPTR_CLEANUP_FUNC(PolkitSubject, g_object_unref) #pragma clang diagnostic pop #endif /* HAVE_POLKIT_0_114 */ #endif /* HAVE_POLKIT */ typedef enum { FU_MAIN_MACHINE_KIND_PHYSICAL, FU_MAIN_MACHINE_KIND_VIRTUAL, FU_MAIN_MACHINE_KIND_CONTAINER, } FuMainMachineKind; typedef struct { GDBusConnection *connection; GDBusNodeInfo *introspection_daemon; GDBusProxy *proxy_uid; GMainLoop *loop; GFileMonitor *argv0_monitor; GHashTable *sender_features; /* sender:FwupdFeatureFlags */ #if GLIB_CHECK_VERSION(2,63,3) GMemoryMonitor *memory_monitor; #endif #ifdef HAVE_POLKIT PolkitAuthority *authority; #endif guint owner_id; FuEngine *engine; gboolean update_in_progress; gboolean pending_sigterm; FuMainMachineKind machine_kind; } FuMainPrivate; static gboolean fu_main_sigterm_cb (gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; if (!priv->update_in_progress) { g_main_loop_quit (priv->loop); return G_SOURCE_REMOVE; } g_warning ("Received SIGTERM during a firmware update, ignoring"); priv->pending_sigterm = TRUE; return G_SOURCE_CONTINUE; } static void fu_main_engine_changed_cb (FuEngine *engine, FuMainPrivate *priv) { /* not yet connected */ if (priv->connection == NULL) return; g_dbus_connection_emit_signal (priv->connection, NULL, FWUPD_DBUS_PATH, FWUPD_DBUS_INTERFACE, "Changed", NULL, NULL); } static void fu_main_engine_device_added_cb (FuEngine *engine, FuDevice *device, FuMainPrivate *priv) { GVariant *val; /* not yet connected */ if (priv->connection == NULL) return; val = fwupd_device_to_variant (FWUPD_DEVICE (device)); g_dbus_connection_emit_signal (priv->connection, NULL, FWUPD_DBUS_PATH, FWUPD_DBUS_INTERFACE, "DeviceAdded", g_variant_new_tuple (&val, 1), NULL); } static void fu_main_engine_device_removed_cb (FuEngine *engine, FuDevice *device, FuMainPrivate *priv) { GVariant *val; /* not yet connected */ if (priv->connection == NULL) return; val = fwupd_device_to_variant (FWUPD_DEVICE (device)); g_dbus_connection_emit_signal (priv->connection, NULL, FWUPD_DBUS_PATH, FWUPD_DBUS_INTERFACE, "DeviceRemoved", g_variant_new_tuple (&val, 1), NULL); } static void fu_main_engine_device_changed_cb (FuEngine *engine, FuDevice *device, FuMainPrivate *priv) { GVariant *val; /* not yet connected */ if (priv->connection == NULL) return; val = fwupd_device_to_variant (FWUPD_DEVICE (device)); g_dbus_connection_emit_signal (priv->connection, NULL, FWUPD_DBUS_PATH, FWUPD_DBUS_INTERFACE, "DeviceChanged", g_variant_new_tuple (&val, 1), NULL); } static void fu_main_emit_property_changed (FuMainPrivate *priv, const gchar *property_name, GVariant *property_value) { GVariantBuilder builder; GVariantBuilder invalidated_builder; /* not yet connected */ if (priv->connection == NULL) { g_variant_unref (g_variant_ref_sink (property_value)); return; } /* build the dict */ g_variant_builder_init (&invalidated_builder, G_VARIANT_TYPE ("as")); g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT); g_variant_builder_add (&builder, "{sv}", property_name, property_value); g_dbus_connection_emit_signal (priv->connection, NULL, FWUPD_DBUS_PATH, "org.freedesktop.DBus.Properties", "PropertiesChanged", g_variant_new ("(sa{sv}as)", FWUPD_DBUS_INTERFACE, &builder, &invalidated_builder), NULL); g_variant_builder_clear (&builder); g_variant_builder_clear (&invalidated_builder); } static void fu_main_set_status (FuMainPrivate *priv, FwupdStatus status) { g_debug ("Emitting PropertyChanged('Status'='%s')", fwupd_status_to_string (status)); fu_main_emit_property_changed (priv, "Status", g_variant_new_uint32 (status)); } static void fu_main_engine_status_changed_cb (FuEngine *engine, FwupdStatus status, FuMainPrivate *priv) { fu_main_set_status (priv, status); /* engine has gone idle */ if (status == FWUPD_STATUS_SHUTDOWN) g_main_loop_quit (priv->loop); } static void fu_main_engine_percentage_changed_cb (FuEngine *engine, guint percentage, FuMainPrivate *priv) { g_debug ("Emitting PropertyChanged('Percentage'='%u%%')", percentage); fu_main_emit_property_changed (priv, "Percentage", g_variant_new_uint32 (percentage)); } static FuEngineRequest * fu_main_create_request (FuMainPrivate *priv, const gchar *sender, GError **error) { FwupdFeatureFlags *feature_flags; FwupdDeviceFlags device_flags = FWUPD_DEVICE_FLAG_NONE; uid_t calling_uid = 0; g_autoptr(FuEngineRequest) request = fu_engine_request_new (); g_autoptr(GVariant) value = NULL; g_return_val_if_fail (sender != NULL, NULL); /* did the client set the list of supported feature */ feature_flags = g_hash_table_lookup (priv->sender_features, sender); if (feature_flags != NULL) fu_engine_request_set_feature_flags (request, *feature_flags); /* are we root and therefore trusted? */ value = g_dbus_proxy_call_sync (priv->proxy_uid, "GetConnectionUnixUser", g_variant_new ("(s)", sender), G_DBUS_CALL_FLAGS_NONE, 2000, NULL, error); if (value == NULL) { g_prefix_error (error, "failed to read user id of caller: "); return NULL; } g_variant_get (value, "(u)", &calling_uid); if (calling_uid == 0) device_flags |= FWUPD_DEVICE_FLAG_TRUSTED; fu_engine_request_set_device_flags (request, device_flags); /* success */ return g_steal_pointer (&request); } static GVariant * fu_main_device_array_to_variant (FuMainPrivate *priv, FuEngineRequest *request, GPtrArray *devices, GError **error) { GVariantBuilder builder; g_return_val_if_fail (devices->len > 0, NULL); g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); for (guint i = 0; i < devices->len; i++) { FuDevice *device = g_ptr_array_index (devices, i); GVariant *tmp = fwupd_device_to_variant_full (FWUPD_DEVICE (device), fu_engine_request_get_device_flags (request)); g_variant_builder_add_value (&builder, tmp); } return g_variant_new ("(aa{sv})", &builder); } static GVariant * fu_main_plugin_array_to_variant (GPtrArray *plugins) { GVariantBuilder builder; g_return_val_if_fail (plugins->len > 0, NULL); g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); for (guint i = 0; i < plugins->len; i++) { FuDevice *plugin = g_ptr_array_index (plugins, i); GVariant *tmp = fwupd_plugin_to_variant (FWUPD_PLUGIN (plugin)); g_variant_builder_add_value (&builder, tmp); } return g_variant_new ("(aa{sv})", &builder); } static GVariant * fu_main_release_array_to_variant (GPtrArray *results) { GVariantBuilder builder; g_return_val_if_fail (results->len > 0, NULL); g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); for (guint i = 0; i < results->len; i++) { FwupdRelease *rel = g_ptr_array_index (results, i); GVariant *tmp = fwupd_release_to_variant (rel); g_variant_builder_add_value (&builder, tmp); } return g_variant_new ("(aa{sv})", &builder); } static GVariant * fu_main_remote_array_to_variant (GPtrArray *remotes) { GVariantBuilder builder; g_return_val_if_fail (remotes->len > 0, NULL); g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); for (guint i = 0; i < remotes->len; i++) { FwupdRemote *remote = g_ptr_array_index (remotes, i); GVariant *tmp = fwupd_remote_to_variant (remote); g_variant_builder_add_value (&builder, tmp); } return g_variant_new ("(aa{sv})", &builder); } static GVariant * fu_main_result_array_to_variant (GPtrArray *results) { GVariantBuilder builder; g_return_val_if_fail (results->len > 0, NULL); g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); for (guint i = 0; i < results->len; i++) { FwupdDevice *result = g_ptr_array_index (results, i); GVariant *tmp = fwupd_device_to_variant (result); g_variant_builder_add_value (&builder, tmp); } return g_variant_new ("(aa{sv})", &builder); } typedef struct { GDBusMethodInvocation *invocation; FuEngineRequest *request; #ifdef HAVE_POLKIT PolkitSubject *subject; #endif GPtrArray *install_tasks; GPtrArray *action_ids; GPtrArray *checksums; guint64 flags; GBytes *blob_cab; FuMainPrivate *priv; gchar *device_id; gchar *remote_id; gchar *key; gchar *value; XbSilo *silo; } FuMainAuthHelper; static void fu_main_auth_helper_free (FuMainAuthHelper *helper) { if (helper->blob_cab != NULL) g_bytes_unref (helper->blob_cab); #ifdef HAVE_POLKIT if (helper->subject != NULL) g_object_unref (helper->subject); #endif if (helper->silo != NULL) g_object_unref (helper->silo); if (helper->request != NULL) g_object_unref (helper->request); if (helper->install_tasks != NULL) g_ptr_array_unref (helper->install_tasks); if (helper->action_ids != NULL) g_ptr_array_unref (helper->action_ids); if (helper->checksums != NULL) g_ptr_array_unref (helper->checksums); g_free (helper->device_id); g_free (helper->remote_id); g_free (helper->key); g_free (helper->value); g_object_unref (helper->invocation); g_free (helper); } #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-function" G_DEFINE_AUTOPTR_CLEANUP_FUNC(FuMainAuthHelper, fu_main_auth_helper_free) #pragma clang diagnostic pop #ifdef HAVE_POLKIT /* error may or may not already have been set */ static gboolean fu_main_authorization_is_valid (PolkitAuthorizationResult *auth, GError **error) { /* failed */ if (auth == NULL) { g_autofree gchar *message = g_strdup ((*error)->message); g_clear_error (error); g_set_error (error, FWUPD_ERROR, FWUPD_ERROR_AUTH_FAILED, "Could not check for auth: %s", message); return FALSE; } /* did not auth */ if (!polkit_authorization_result_get_is_authorized (auth)) { g_set_error_literal (error, FWUPD_ERROR, FWUPD_ERROR_AUTH_FAILED, "Failed to obtain auth"); return FALSE; } /* success */ return TRUE; } #else static gboolean fu_main_authorization_is_trusted (FuEngineRequest *request, GError **error) { FwupdDeviceFlags flags = fu_engine_request_get_device_flags (request); if ((flags & FWUPD_DEVICE_FLAG_TRUSTED) == 0) { g_set_error_literal (error, FWUPD_ERROR, FWUPD_ERROR_AUTH_FAILED, "permission denied: untrusted client process"); return FALSE; } return TRUE; } #endif /* HAVE_POLKIT */ static void fu_main_authorize_unlock_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* authenticated */ if (!fu_engine_unlock (helper->priv->engine, helper->device_id, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_set_approved_firmware_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* success */ for (guint i = 0; i < helper->checksums->len; i++) { const gchar *csum = g_ptr_array_index (helper->checksums, i); fu_engine_add_approved_firmware (helper->priv->engine, csum); } g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_set_blocked_firmware_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* success */ if (!fu_engine_set_blocked_firmware (helper->priv->engine, helper->checksums, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_self_sign_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autofree gchar *sig = NULL; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* authenticated */ sig = fu_engine_self_sign (helper->priv->engine, helper->value, helper->flags, &error); if (sig == NULL) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, g_variant_new ("(s)", sig)); } static void fu_main_modify_config_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ if (!fu_engine_modify_config (helper->priv->engine, helper->key, helper->value, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_activate_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* authenticated */ if (!fu_engine_activate (helper->priv->engine, helper->device_id, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_verify_update_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* authenticated */ if (!fu_engine_verify_update (helper->priv->engine, helper->device_id, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_modify_remote_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #else if (!fu_main_authorization_is_trusted (helper->request, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* authenticated */ if (!fu_engine_modify_remote (helper->priv->engine, helper->remote_id, helper->key, helper->value, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } static void fu_main_authorize_install_queue (FuMainAuthHelper *helper); static void fu_main_authorize_install_cb (GObject *source, GAsyncResult *res, gpointer user_data) { g_autoptr(FuMainAuthHelper) helper = (FuMainAuthHelper *) user_data; g_autoptr(GError) error = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitAuthorizationResult) auth = NULL; /* get result */ fu_main_set_status (helper->priv, FWUPD_STATUS_IDLE); auth = polkit_authority_check_authorization_finish (POLKIT_AUTHORITY (source), res, &error); if (!fu_main_authorization_is_valid (auth, &error)) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } #endif /* HAVE_POLKIT */ /* do the next authentication action ID */ fu_main_authorize_install_queue (g_steal_pointer (&helper)); } static void fu_main_authorize_install_queue (FuMainAuthHelper *helper_ref) { FuMainPrivate *priv = helper_ref->priv; g_autoptr(FuMainAuthHelper) helper = helper_ref; g_autoptr(GError) error = NULL; gboolean ret; /* still more things to to authenticate */ if (helper->action_ids->len > 0) { #ifdef HAVE_POLKIT g_autofree gchar *action_id = g_strdup (g_ptr_array_index (helper->action_ids, 0)); g_autoptr(PolkitSubject) subject = g_object_ref (helper->subject); g_ptr_array_remove_index (helper->action_ids, 0); polkit_authority_check_authorization (priv->authority, subject, action_id, NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_install_cb, g_steal_pointer (&helper)); #else g_ptr_array_remove_index (helper->action_ids, 0); fu_main_authorize_install_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } /* all authenticated, so install all the things */ priv->update_in_progress = TRUE; ret = fu_engine_install_tasks (helper->priv->engine, helper->request, helper->install_tasks, helper->blob_cab, helper->flags, &error); priv->update_in_progress = FALSE; if (priv->pending_sigterm) g_main_loop_quit (priv->loop); if (!ret) { g_dbus_method_invocation_return_gerror (helper->invocation, error); return; } /* success */ g_dbus_method_invocation_return_value (helper->invocation, NULL); } #if !GLIB_CHECK_VERSION(2,54,0) static gboolean g_ptr_array_find (GPtrArray *haystack, gconstpointer needle, guint *index_) { for (guint i = 0; i < haystack->len; i++) { gconstpointer *tmp = g_ptr_array_index (haystack, i); if (tmp == needle) { if (index_ != NULL) { *index_ = i; return TRUE; } } } return FALSE; } #endif static gint fu_main_install_task_sort_cb (gconstpointer a, gconstpointer b) { FuInstallTask *task_a = *((FuInstallTask **) a); FuInstallTask *task_b = *((FuInstallTask **) b); return fu_install_task_compare (task_a, task_b); } static GPtrArray * fu_main_get_device_family (FuMainAuthHelper *helper, GError **error) { FuDevice *parent; GPtrArray *children; g_autoptr(FuDevice) device = NULL; g_autoptr(GPtrArray) devices_possible = NULL; /* get the device */ device = fu_engine_get_device (helper->priv->engine, helper->device_id, error); if (device == NULL) return NULL; /* device itself */ devices_possible = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref); g_ptr_array_add (devices_possible, g_object_ref (device)); /* add device children */ children = fu_device_get_children (device); for (guint i = 0; i < children->len; i++) { FuDevice *child = g_ptr_array_index (children, i); g_ptr_array_add (devices_possible, g_object_ref (child)); } /* add parent and siblings, not including the device itself */ parent = fu_device_get_parent (device); if (parent != NULL) { GPtrArray *siblings = fu_device_get_children (parent); g_ptr_array_add (devices_possible, g_object_ref (parent)); for (guint i = 0; i < siblings->len; i++) { FuDevice *sibling = g_ptr_array_index (siblings, i); if (sibling == device) continue; g_ptr_array_add (devices_possible, g_object_ref (sibling)); } } /* success */ return g_steal_pointer (&devices_possible); } static gboolean fu_main_install_with_helper (FuMainAuthHelper *helper_ref, GError **error) { FuMainPrivate *priv = helper_ref->priv; g_autoptr(FuMainAuthHelper) helper = helper_ref; g_autoptr(GPtrArray) components = NULL; g_autoptr(GPtrArray) devices_possible = NULL; g_autoptr(GPtrArray) errors = NULL; /* get a list of devices that in some way match the device_id */ if (g_strcmp0 (helper->device_id, FWUPD_DEVICE_ID_ANY) == 0) { devices_possible = fu_engine_get_devices (priv->engine, error); if (devices_possible == NULL) return FALSE; } else { devices_possible = fu_main_get_device_family (helper, error); if (devices_possible == NULL) return FALSE; } /* parse silo */ helper->silo = fu_engine_get_silo_from_blob (priv->engine, helper->blob_cab, error); if (helper->silo == NULL) return FALSE; /* for each component in the silo */ components = xb_silo_query (helper->silo, "components/component", 0, error); if (components == NULL) return FALSE; helper->action_ids = g_ptr_array_new_with_free_func (g_free); helper->install_tasks = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref); errors = g_ptr_array_new_with_free_func ((GDestroyNotify) g_error_free); for (guint i = 0; i < components->len; i++) { XbNode *component = g_ptr_array_index (components, i); /* do any devices pass the requirements */ for (guint j = 0; j < devices_possible->len; j++) { FuDevice *device = g_ptr_array_index (devices_possible, j); const gchar *action_id; g_autoptr(FuInstallTask) task = NULL; g_autoptr(GError) error_local = NULL; /* is this component valid for the device */ task = fu_install_task_new (device, component); if (!fu_engine_check_requirements (priv->engine, helper->request, task, helper->flags | FWUPD_INSTALL_FLAG_FORCE, &error_local)) { if (!g_error_matches (error_local, FWUPD_ERROR, FWUPD_ERROR_NOT_FOUND)) { g_debug ("first pass requirement on %s:%s failed: %s", fu_device_get_id (device), xb_node_query_text (component, "id", NULL), error_local->message); } g_ptr_array_add (errors, g_steal_pointer (&error_local)); continue; } /* make a second pass using possibly updated version format now */ fu_engine_md_refresh_device_from_component (priv->engine, device, component); if (!fu_engine_check_requirements (priv->engine, helper->request, task, helper->flags, &error_local)) { g_debug ("second pass requirement on %s:%s failed: %s", fu_device_get_id (device), xb_node_query_text (component, "id", NULL), error_local->message); g_ptr_array_add (errors, g_steal_pointer (&error_local)); continue; } /* if component should have an update message from CAB */ fu_device_incorporate_from_component (device, component); /* get the action IDs for the valid device */ action_id = fu_install_task_get_action_id (task); if (!g_ptr_array_find (helper->action_ids, action_id, NULL)) g_ptr_array_add (helper->action_ids, g_strdup (action_id)); g_ptr_array_add (helper->install_tasks, g_steal_pointer (&task)); } } /* order the install tasks by the device priority */ g_ptr_array_sort (helper->install_tasks, fu_main_install_task_sort_cb); /* nothing suitable */ if (helper->install_tasks->len == 0) { GError *error_tmp = fu_common_error_array_get_best (errors); g_propagate_error (error, error_tmp); return FALSE; } /* authenticate all things in the action_ids */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); fu_main_authorize_install_queue (g_steal_pointer (&helper)); return TRUE; } static gboolean fu_main_device_id_valid (const gchar *device_id, GError **error) { if (g_strcmp0 (device_id, FWUPD_DEVICE_ID_ANY) == 0) return TRUE; if (device_id != NULL && strlen (device_id) >= 4) return TRUE; g_set_error (error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "invalid device ID: %s", device_id); return FALSE; } static void fu_main_daemon_method_call (GDBusConnection *connection, const gchar *sender, const gchar *object_path, const gchar *interface_name, const gchar *method_name, GVariant *parameters, GDBusMethodInvocation *invocation, gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; GVariant *val = NULL; g_autoptr(FuEngineRequest) request = NULL; g_autoptr(GError) error = NULL; /* build request */ request = fu_main_create_request (priv, sender, &error); if (request == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* activity */ fu_engine_idle_reset (priv->engine); if (g_strcmp0 (method_name, "GetDevices") == 0) { g_autoptr(GPtrArray) devices = NULL; g_debug ("Called %s()", method_name); devices = fu_engine_get_devices (priv->engine, &error); if (devices == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_device_array_to_variant (priv, request, devices, &error); if (val == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetPlugins") == 0) { g_debug ("Called %s()", method_name); val = fu_main_plugin_array_to_variant (fu_engine_get_plugins (priv->engine)); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetReleases") == 0) { const gchar *device_id; g_autoptr(GPtrArray) releases = NULL; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } releases = fu_engine_get_releases (priv->engine, request, device_id, &error); if (releases == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_release_array_to_variant (releases); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetApprovedFirmware") == 0) { GVariantBuilder builder; GPtrArray *checksums = fu_engine_get_approved_firmware (priv->engine); g_variant_builder_init (&builder, G_VARIANT_TYPE ("as")); for (guint i = 0; i < checksums->len; i++) { const gchar *checksum = g_ptr_array_index (checksums, i); g_variant_builder_add_value (&builder, g_variant_new_string (checksum)); } val = g_variant_builder_end (&builder); g_dbus_method_invocation_return_value (invocation, g_variant_new_tuple (&val, 1)); return; } if (g_strcmp0 (method_name, "GetBlockedFirmware") == 0) { GVariantBuilder builder; GPtrArray *checksums = fu_engine_get_blocked_firmware (priv->engine); g_variant_builder_init (&builder, G_VARIANT_TYPE ("as")); for (guint i = 0; i < checksums->len; i++) { const gchar *checksum = g_ptr_array_index (checksums, i); g_variant_builder_add_value (&builder, g_variant_new_string (checksum)); } val = g_variant_builder_end (&builder); g_dbus_method_invocation_return_value (invocation, g_variant_new_tuple (&val, 1)); return; } if (g_strcmp0 (method_name, "GetReportMetadata") == 0) { GHashTableIter iter; GVariantBuilder builder; const gchar *key; const gchar *value; g_autoptr(GHashTable) metadata = NULL; metadata = fu_engine_get_report_metadata (priv->engine, &error); if (metadata == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{ss}")); g_hash_table_iter_init (&iter, metadata); while (g_hash_table_iter_next (&iter, (gpointer *) &key, (gpointer *) &value)) { g_variant_builder_add_value (&builder, g_variant_new ("{ss}", key, value)); } val = g_variant_builder_end (&builder); g_dbus_method_invocation_return_value (invocation, g_variant_new_tuple (&val, 1)); return; } if (g_strcmp0 (method_name, "SetApprovedFirmware") == 0) { g_autofree gchar *checksums_str = NULL; g_auto(GStrv) checksums = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif /* HAVE_POLKIT */ g_variant_get (parameters, "(^as)", &checksums); checksums_str = g_strjoinv (",", checksums); g_debug ("Called %s(%s)", method_name, checksums_str); /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); helper = g_new0 (FuMainAuthHelper, 1); helper->priv = priv; helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->checksums = g_ptr_array_new_with_free_func (g_free); for (guint i = 0; checksums[i] != NULL; i++) g_ptr_array_add (helper->checksums, g_strdup (checksums[i])); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.set-approved-firmware", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_set_approved_firmware_cb, g_steal_pointer (&helper)); #else fu_main_authorize_set_approved_firmware_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "SetBlockedFirmware") == 0) { g_autofree gchar *checksums_str = NULL; g_auto(GStrv) checksums = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif g_variant_get (parameters, "(^as)", &checksums); checksums_str = g_strjoinv (",", checksums); g_debug ("Called %s(%s)", method_name, checksums_str); /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); helper = g_new0 (FuMainAuthHelper, 1); helper->priv = priv; helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->checksums = g_ptr_array_new_with_free_func (g_free); for (guint i = 0; checksums[i] != NULL; i++) g_ptr_array_add (helper->checksums, g_strdup (checksums[i])); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.set-approved-firmware", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_set_blocked_firmware_cb, g_steal_pointer (&helper)); #else fu_main_authorize_set_blocked_firmware_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "SelfSign") == 0) { GVariant *prop_value; gchar *prop_key; g_autofree gchar *value = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif g_autoptr(GVariantIter) iter = NULL; g_variant_get (parameters, "(sa{sv})", &value, &iter); g_debug ("Called %s(%s)", method_name, value); /* get flags */ helper = g_new0 (FuMainAuthHelper, 1); while (g_variant_iter_next (iter, "{&sv}", &prop_key, &prop_value)) { g_debug ("got option %s", prop_key); if (g_strcmp0 (prop_key, "add-timestamp") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= JCAT_SIGN_FLAG_ADD_TIMESTAMP; if (g_strcmp0 (prop_key, "add-cert") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= JCAT_SIGN_FLAG_ADD_CERT; g_variant_unref (prop_value); } /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); helper->priv = priv; helper->value = g_steal_pointer (&value); helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.self-sign", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_self_sign_cb, g_steal_pointer (&helper)); #else fu_main_authorize_self_sign_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "GetDowngrades") == 0) { const gchar *device_id; g_autoptr(GPtrArray) releases = NULL; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } releases = fu_engine_get_downgrades (priv->engine, request, device_id, &error); if (releases == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_release_array_to_variant (releases); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetUpgrades") == 0) { const gchar *device_id; g_autoptr(GPtrArray) releases = NULL; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } releases = fu_engine_get_upgrades (priv->engine, request, device_id, &error); if (releases == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_release_array_to_variant (releases); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetRemotes") == 0) { g_autoptr(GPtrArray) remotes = NULL; g_debug ("Called %s()", method_name); remotes = fu_engine_get_remotes (priv->engine, &error); if (remotes == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_remote_array_to_variant (remotes); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetHistory") == 0) { g_autoptr(GPtrArray) devices = NULL; g_debug ("Called %s()", method_name); devices = fu_engine_get_history (priv->engine, &error); if (devices == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_device_array_to_variant (priv, request, devices, &error); if (val == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "GetHostSecurityAttrs") == 0) { g_autoptr(FuSecurityAttrs) attrs = NULL; g_debug ("Called %s()", method_name); if (priv->machine_kind != FU_MAIN_MACHINE_KIND_PHYSICAL) { g_dbus_method_invocation_return_error_literal (invocation, FWUPD_ERROR, FWUPD_ERROR_NOT_SUPPORTED, "HSI unavailable for hypervisor"); return; } attrs = fu_engine_get_host_security_attrs (priv->engine); val = fu_security_attrs_to_variant (attrs); g_dbus_method_invocation_return_value (invocation, val); return; } if (g_strcmp0 (method_name, "ClearResults") == 0) { const gchar *device_id; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_engine_clear_results (priv->engine, device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, NULL); return; } if (g_strcmp0 (method_name, "ModifyDevice") == 0) { const gchar *device_id; const gchar *key = NULL; const gchar *value = NULL; /* check the id exists */ g_variant_get (parameters, "(&s&s&s)", &device_id, &key, &value); g_debug ("Called %s(%s,%s=%s)", method_name, device_id, key, value); if (!fu_engine_modify_device (priv->engine, device_id, key, value, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, NULL); return; } if (g_strcmp0 (method_name, "GetResults") == 0) { const gchar *device_id = NULL; g_autoptr(FwupdDevice) result = NULL; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } result = fu_engine_get_results (priv->engine, device_id, &error); if (result == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fwupd_device_to_variant (result); g_dbus_method_invocation_return_value (invocation, g_variant_new_tuple (&val, 1)); return; } if (g_strcmp0 (method_name, "UpdateMetadata") == 0) { GDBusMessage *message; GUnixFDList *fd_list; const gchar *remote_id = NULL; gint fd_data; gint fd_sig; g_variant_get (parameters, "(&shh)", &remote_id, &fd_data, &fd_sig); g_debug ("Called %s(%s,%i,%i)", method_name, remote_id, fd_data, fd_sig); /* update the metadata store */ message = g_dbus_method_invocation_get_message (invocation); fd_list = g_dbus_message_get_unix_fd_list (message); if (fd_list == NULL || g_unix_fd_list_get_length (fd_list) != 2) { g_set_error (&error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "invalid handle"); g_dbus_method_invocation_return_gerror (invocation, error); return; } fd_data = g_unix_fd_list_get (fd_list, 0, &error); if (fd_data < 0) { g_dbus_method_invocation_return_gerror (invocation, error); return; } fd_sig = g_unix_fd_list_get (fd_list, 1, &error); if (fd_sig < 0) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* store new metadata (will close the fds when done) */ if (!fu_engine_update_metadata (priv->engine, remote_id, fd_data, fd_sig, &error)) { g_prefix_error (&error, "Failed to update metadata for %s: ", remote_id); g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, NULL); return; } if (g_strcmp0 (method_name, "Unlock") == 0) { const gchar *device_id = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif /* HAVE_POLKIT */ g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); helper = g_new0 (FuMainAuthHelper, 1); helper->priv = priv; helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->device_id = g_strdup (device_id); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.device-unlock", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_unlock_cb, g_steal_pointer (&helper)); #else fu_main_authorize_unlock_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "Activate") == 0) { const gchar *device_id = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); helper = g_new0 (FuMainAuthHelper, 1); helper->priv = priv; helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->device_id = g_strdup (device_id); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.device-activate", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_activate_cb, g_steal_pointer (&helper)); #else fu_main_authorize_activate_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "ModifyConfig") == 0) { g_autofree gchar *key = NULL; g_autofree gchar *value = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif g_variant_get (parameters, "(ss)", &key, &value); g_debug ("Called %s(%s=%s)", method_name, key, value); /* authenticate */ helper = g_new0 (FuMainAuthHelper, 1); helper->priv = priv; helper->key = g_steal_pointer (&key); helper->value = g_steal_pointer (&value); helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.modify-config", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_modify_config_cb, g_steal_pointer (&helper)); #else fu_main_modify_config_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "ModifyRemote") == 0) { const gchar *remote_id = NULL; const gchar *key = NULL; const gchar *value = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif /* check the id exists */ g_variant_get (parameters, "(&s&s&s)", &remote_id, &key, &value); g_debug ("Called %s(%s,%s=%s)", method_name, remote_id, key, value); /* create helper object */ helper = g_new0 (FuMainAuthHelper, 1); helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->remote_id = g_strdup (remote_id); helper->key = g_strdup (key); helper->value = g_strdup (value); helper->priv = priv; /* authenticate */ fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); #ifdef HAVE_POLKIT subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.modify-remote", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_modify_remote_cb, g_steal_pointer (&helper)); #else fu_main_authorize_modify_remote_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "VerifyUpdate") == 0) { const gchar *device_id = NULL; g_autoptr(FuMainAuthHelper) helper = NULL; #ifdef HAVE_POLKIT g_autoptr(PolkitSubject) subject = NULL; #endif /* check the id exists */ g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* create helper object */ helper = g_new0 (FuMainAuthHelper, 1); helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->device_id = g_strdup (device_id); helper->priv = priv; /* authenticate */ #ifdef HAVE_POLKIT fu_main_set_status (priv, FWUPD_STATUS_WAITING_FOR_AUTH); subject = polkit_system_bus_name_new (sender); polkit_authority_check_authorization (priv->authority, subject, "org.freedesktop.fwupd.verify-update", NULL, POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, NULL, fu_main_authorize_verify_update_cb, g_steal_pointer (&helper)); #else fu_main_authorize_verify_update_cb (NULL, NULL, g_steal_pointer (&helper)); #endif /* HAVE_POLKIT */ return; } if (g_strcmp0 (method_name, "Verify") == 0) { const gchar *device_id = NULL; g_variant_get (parameters, "(&s)", &device_id); g_debug ("Called %s(%s)", method_name, device_id); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } if (!fu_engine_verify (priv->engine, device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } g_dbus_method_invocation_return_value (invocation, NULL); return; } if (g_strcmp0 (method_name, "SetFeatureFlags") == 0) { guint64 feature_flags = 0; g_variant_get (parameters, "(t)", &feature_flags); g_debug ("Called %s(%" G_GUINT64_FORMAT ")", method_name, feature_flags); /* old flags for the same sender will be automatically destroyed */ g_hash_table_insert (priv->sender_features, g_strdup (sender), g_memdup (&feature_flags, sizeof(feature_flags))); g_dbus_method_invocation_return_value (invocation, NULL); return; } if (g_strcmp0 (method_name, "Install") == 0) { GVariant *prop_value; const gchar *device_id = NULL; gchar *prop_key; gint32 fd_handle = 0; gint fd; guint64 archive_size_max; GDBusMessage *message; GUnixFDList *fd_list; g_autoptr(FuMainAuthHelper) helper = NULL; g_autoptr(GVariantIter) iter = NULL; /* check the id exists */ g_variant_get (parameters, "(&sha{sv})", &device_id, &fd_handle, &iter); g_debug ("Called %s(%s,%i)", method_name, device_id, fd_handle); if (!fu_main_device_id_valid (device_id, &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* create helper object */ helper = g_new0 (FuMainAuthHelper, 1); helper->request = g_steal_pointer (&request); helper->invocation = g_object_ref (invocation); helper->device_id = g_strdup (device_id); helper->priv = priv; /* get flags */ while (g_variant_iter_next (iter, "{&sv}", &prop_key, &prop_value)) { g_debug ("got option %s", prop_key); if (g_strcmp0 (prop_key, "offline") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_OFFLINE; if (g_strcmp0 (prop_key, "allow-older") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_ALLOW_OLDER; if (g_strcmp0 (prop_key, "allow-reinstall") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_ALLOW_REINSTALL; if (g_strcmp0 (prop_key, "allow-branch-switch") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_ALLOW_BRANCH_SWITCH; if (g_strcmp0 (prop_key, "force") == 0 && g_variant_get_boolean (prop_value) == TRUE) { helper->flags |= FWUPD_INSTALL_FLAG_FORCE; helper->flags |= FWUPD_INSTALL_FLAG_IGNORE_POWER; } if (g_strcmp0 (prop_key, "ignore-power") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_IGNORE_POWER; if (g_strcmp0 (prop_key, "no-history") == 0 && g_variant_get_boolean (prop_value) == TRUE) helper->flags |= FWUPD_INSTALL_FLAG_NO_HISTORY; g_variant_unref (prop_value); } /* get the fd */ message = g_dbus_method_invocation_get_message (invocation); fd_list = g_dbus_message_get_unix_fd_list (message); if (fd_list == NULL || g_unix_fd_list_get_length (fd_list) != 1) { g_set_error (&error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "invalid handle"); g_dbus_method_invocation_return_gerror (invocation, error); return; } fd = g_unix_fd_list_get (fd_list, 0, &error); if (fd < 0) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* parse the cab file before authenticating so we can work out * what action ID to use, for instance, if this is trusted -- * this will also close the fd when done */ archive_size_max = fu_engine_get_archive_size_max (priv->engine); helper->blob_cab = fu_common_get_contents_fd (fd, archive_size_max, &error); if (helper->blob_cab == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* install all the things in the store */ #ifdef HAVE_POLKIT helper->subject = polkit_system_bus_name_new (sender); #endif /* HAVE_POLKIT */ if (!fu_main_install_with_helper (g_steal_pointer (&helper), &error)) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* async return */ return; } if (g_strcmp0 (method_name, "GetDetails") == 0) { GDBusMessage *message; GUnixFDList *fd_list; gint32 fd_handle = 0; gint fd; g_autoptr(GPtrArray) results = NULL; /* get parameters */ g_variant_get (parameters, "(h)", &fd_handle); g_debug ("Called %s(%i)", method_name, fd_handle); /* get the fd */ message = g_dbus_method_invocation_get_message (invocation); fd_list = g_dbus_message_get_unix_fd_list (message); if (fd_list == NULL || g_unix_fd_list_get_length (fd_list) != 1) { g_set_error (&error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "invalid handle"); g_dbus_method_invocation_return_gerror (invocation, error); return; } fd = g_unix_fd_list_get (fd_list, 0, &error); if (fd < 0) { g_dbus_method_invocation_return_gerror (invocation, error); return; } /* get details about the file (will close the fd when done) */ results = fu_engine_get_details (priv->engine, request, fd, &error); if (results == NULL) { g_dbus_method_invocation_return_gerror (invocation, error); return; } val = fu_main_result_array_to_variant (results); g_dbus_method_invocation_return_value (invocation, val); return; } g_set_error (&error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "no such method %s", method_name); g_dbus_method_invocation_return_gerror (invocation, error); } static GVariant * fu_main_daemon_get_property (GDBusConnection *connection_, const gchar *sender, const gchar *object_path, const gchar *interface_name, const gchar *property_name, GError **error, gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; /* activity */ fu_engine_idle_reset (priv->engine); if (g_strcmp0 (property_name, "DaemonVersion") == 0) return g_variant_new_string (SOURCE_VERSION); if (g_strcmp0 (property_name, "Tainted") == 0) return g_variant_new_boolean (fu_engine_get_tainted (priv->engine)); if (g_strcmp0 (property_name, "Status") == 0) return g_variant_new_uint32 (fu_engine_get_status (priv->engine)); if (g_strcmp0 (property_name, "HostProduct") == 0) return g_variant_new_string (fu_engine_get_host_product (priv->engine)); if (g_strcmp0 (property_name, "HostMachineId") == 0) return g_variant_new_string (fu_engine_get_host_machine_id (priv->engine)); if (g_strcmp0 (property_name, "HostSecurityId") == 0) return g_variant_new_string (fu_engine_get_host_security_id (priv->engine)); if (g_strcmp0 (property_name, "Interactive") == 0) return g_variant_new_boolean (isatty (fileno (stdout)) != 0); /* return an error */ g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_PROPERTY, "failed to get daemon property %s", property_name); return NULL; } static void fu_main_on_bus_acquired_cb (GDBusConnection *connection, const gchar *name, gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; guint registration_id; g_autoptr(GError) error = NULL; static const GDBusInterfaceVTable interface_vtable = { fu_main_daemon_method_call, fu_main_daemon_get_property, NULL }; priv->connection = g_object_ref (connection); registration_id = g_dbus_connection_register_object (connection, FWUPD_DBUS_PATH, priv->introspection_daemon->interfaces[0], &interface_vtable, priv, /* user_data */ NULL, /* user_data_free_func */ NULL); /* GError** */ g_assert (registration_id > 0); /* connect to D-Bus directly */ priv->proxy_uid = g_dbus_proxy_new_sync (priv->connection, G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES | G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS, NULL, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", NULL, &error); if (priv->proxy_uid == NULL) { g_warning ("cannot connect to DBus: %s", error->message); return; } } static void fu_main_on_name_acquired_cb (GDBusConnection *connection, const gchar *name, gpointer user_data) { g_debug ("acquired name: %s", name); } static void fu_main_on_name_lost_cb (GDBusConnection *connection, const gchar *name, gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; g_warning ("another service has claimed the dbus name %s", name); g_main_loop_quit (priv->loop); } static gboolean fu_main_timed_exit_cb (gpointer user_data) { GMainLoop *loop = (GMainLoop *) user_data; g_main_loop_quit (loop); return G_SOURCE_REMOVE; } static void fu_main_argv_changed_cb (GFileMonitor *monitor, GFile *file, GFile *other_file, GFileMonitorEvent event_type, gpointer user_data) { FuMainPrivate *priv = (FuMainPrivate *) user_data; /* can do straight away? */ if (priv->update_in_progress) { g_warning ("binary changed during a firmware update, ignoring"); return; } g_debug ("binary changed, shutting down"); g_main_loop_quit (priv->loop); } #if GLIB_CHECK_VERSION(2,63,3) static void fu_main_memory_monitor_warning_cb (GMemoryMonitor *memory_monitor, GMemoryMonitorWarningLevel level, FuMainPrivate *priv) { /* can do straight away? */ if (priv->update_in_progress) { g_warning ("OOM during a firmware update, ignoring"); priv->pending_sigterm = TRUE; return; } g_debug ("OOM event, shutting down"); g_main_loop_quit (priv->loop); } #endif static GDBusNodeInfo * fu_main_load_introspection (const gchar *filename, GError **error) { g_autoptr(GBytes) data = NULL; g_autofree gchar *path = NULL; /* lookup data */ path = g_build_filename ("/org/freedesktop/fwupd", filename, NULL); data = g_resource_lookup_data (fu_get_resource (), path, G_RESOURCE_LOOKUP_FLAGS_NONE, error); if (data == NULL) return NULL; /* build introspection from XML */ return g_dbus_node_info_new_for_xml (g_bytes_get_data (data, NULL), error); } static gboolean fu_main_is_hypervisor (void) { g_autofree gchar *buf = NULL; gsize bufsz = 0; if (!g_file_get_contents ("/proc/cpuinfo", &buf, &bufsz, NULL)) return FALSE; return g_strstr_len (buf, (gssize) bufsz, "hypervisor") != NULL; } static gboolean fu_main_is_container (void) { g_autofree gchar *buf = NULL; gsize bufsz = 0; if (!g_file_get_contents ("/proc/1/cgroup", &buf, &bufsz, NULL)) return FALSE; if (g_strstr_len (buf, (gssize) bufsz, "docker") != NULL) return TRUE; if (g_strstr_len (buf, (gssize) bufsz, "lxc") != NULL) return TRUE; return FALSE; } static void fu_main_private_free (FuMainPrivate *priv) { g_hash_table_unref (priv->sender_features); if (priv->loop != NULL) g_main_loop_unref (priv->loop); if (priv->owner_id > 0) g_bus_unown_name (priv->owner_id); if (priv->proxy_uid != NULL) g_object_unref (priv->proxy_uid); if (priv->engine != NULL) g_object_unref (priv->engine); if (priv->connection != NULL) g_object_unref (priv->connection); #ifdef HAVE_POLKIT if (priv->authority != NULL) g_object_unref (priv->authority); #endif if (priv->argv0_monitor != NULL) { g_file_monitor_cancel (priv->argv0_monitor); g_object_unref (priv->argv0_monitor); } if (priv->introspection_daemon != NULL) g_dbus_node_info_unref (priv->introspection_daemon); #if GLIB_CHECK_VERSION(2,63,3) if (priv->memory_monitor != NULL) g_object_unref (priv->memory_monitor); #endif g_free (priv); } #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-function" G_DEFINE_AUTOPTR_CLEANUP_FUNC(FuMainPrivate, fu_main_private_free) #pragma clang diagnostic pop int main (int argc, char *argv[]) { gboolean immediate_exit = FALSE; gboolean timed_exit = FALSE; const GOptionEntry options[] = { { "timed-exit", '\0', 0, G_OPTION_ARG_NONE, &timed_exit, /* TRANSLATORS: exit after we've started up, used for user profiling */ _("Exit after a small delay"), NULL }, { "immediate-exit", '\0', 0, G_OPTION_ARG_NONE, &immediate_exit, /* TRANSLATORS: exit straight away, used for automatic profiling */ _("Exit after the engine has loaded"), NULL }, { NULL} }; g_autoptr(FuMainPrivate) priv = NULL; g_autoptr(GError) error = NULL; g_autoptr(GFile) argv0_file = g_file_new_for_path (argv[0]); g_autoptr(GOptionContext) context = NULL; setlocale (LC_ALL, ""); bindtextdomain (GETTEXT_PACKAGE, FWUPD_LOCALEDIR); bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); textdomain (GETTEXT_PACKAGE); /* TRANSLATORS: program name */ g_set_application_name (_("Firmware Update Daemon")); context = g_option_context_new (NULL); g_option_context_add_main_entries (context, options, NULL); g_option_context_add_group (context, fu_debug_get_option_group ()); /* TRANSLATORS: program summary */ g_option_context_set_summary (context, _("Firmware Update D-Bus Service")); if (!g_option_context_parse (context, &argc, &argv, &error)) { g_printerr ("Failed to parse command line: %s\n", error->message); return EXIT_FAILURE; } /* create new objects */ priv = g_new0 (FuMainPrivate, 1); priv->sender_features = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); priv->loop = g_main_loop_new (NULL, FALSE); /* load engine */ priv->engine = fu_engine_new (FU_APP_FLAGS_NONE); g_signal_connect (priv->engine, "changed", G_CALLBACK (fu_main_engine_changed_cb), priv); g_signal_connect (priv->engine, "device-added", G_CALLBACK (fu_main_engine_device_added_cb), priv); g_signal_connect (priv->engine, "device-removed", G_CALLBACK (fu_main_engine_device_removed_cb), priv); g_signal_connect (priv->engine, "device-changed", G_CALLBACK (fu_main_engine_device_changed_cb), priv); g_signal_connect (priv->engine, "status-changed", G_CALLBACK (fu_main_engine_status_changed_cb), priv); g_signal_connect (priv->engine, "percentage-changed", G_CALLBACK (fu_main_engine_percentage_changed_cb), priv); if (!fu_engine_load (priv->engine, FU_ENGINE_LOAD_FLAG_NONE, &error)) { g_printerr ("Failed to load engine: %s\n", error->message); return EXIT_FAILURE; } g_unix_signal_add_full (G_PRIORITY_DEFAULT, SIGTERM, fu_main_sigterm_cb, priv, NULL); /* restart the daemon if the binary gets replaced */ priv->argv0_monitor = g_file_monitor_file (argv0_file, G_FILE_MONITOR_NONE, NULL, &error); g_signal_connect (priv->argv0_monitor, "changed", G_CALLBACK (fu_main_argv_changed_cb), priv); #if GLIB_CHECK_VERSION(2,63,3) /* shut down on low memory event as we can just rescan hardware */ priv->memory_monitor = g_memory_monitor_dup_default (); g_signal_connect (G_OBJECT (priv->memory_monitor), "low-memory-warning", G_CALLBACK (fu_main_memory_monitor_warning_cb), priv); #endif /* load introspection from file */ priv->introspection_daemon = fu_main_load_introspection (FWUPD_DBUS_INTERFACE ".xml", &error); if (priv->introspection_daemon == NULL) { g_printerr ("Failed to load introspection: %s\n", error->message); return EXIT_FAILURE; } #ifdef HAVE_POLKIT /* get authority */ priv->authority = polkit_authority_get_sync (NULL, &error); if (priv->authority == NULL) { g_printerr ("Failed to load authority: %s\n", error->message); return EXIT_FAILURE; } #endif /* are we a VM? */ if (fu_main_is_hypervisor ()) { priv->machine_kind = FU_MAIN_MACHINE_KIND_VIRTUAL; } else if (fu_main_is_container ()) { priv->machine_kind = FU_MAIN_MACHINE_KIND_CONTAINER; } /* own the object */ priv->owner_id = g_bus_own_name (G_BUS_TYPE_SYSTEM, FWUPD_DBUS_SERVICE, G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT | G_BUS_NAME_OWNER_FLAGS_REPLACE, fu_main_on_bus_acquired_cb, fu_main_on_name_acquired_cb, fu_main_on_name_lost_cb, priv, NULL); /* Only timeout and close the mainloop if we have specified it * on the command line */ if (immediate_exit) g_idle_add (fu_main_timed_exit_cb, priv->loop); else if (timed_exit) g_timeout_add_seconds (5, fu_main_timed_exit_cb, priv->loop); /* wait */ g_message ("Daemon ready for requests (locale %s)", g_getenv ("LANG")); g_main_loop_run (priv->loop); /* success */ return EXIT_SUCCESS; }