diff options
Diffstat (limited to 'src/system-settings/nm-sysconfig-settings.c')
| -rw-r--r-- | src/system-settings/nm-sysconfig-settings.c | 1596 |
1 files changed, 1596 insertions, 0 deletions
diff --git a/src/system-settings/nm-sysconfig-settings.c b/src/system-settings/nm-sysconfig-settings.c new file mode 100644 index 00000000..1a1fc6fd --- /dev/null +++ b/src/system-settings/nm-sysconfig-settings.c @@ -0,0 +1,1596 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* NetworkManager system settings service + * + * Søren Sandmann <sandmann@daimi.au.dk> + * Dan Williams <dcbw@redhat.com> + * Tambet Ingo <tambet@gmail.com> + * + * 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 2007 - 2011 Red Hat, Inc. + * (C) Copyright 2008 Novell, Inc. + */ + +#include <unistd.h> +#include <string.h> +#include <gmodule.h> +#include <net/ethernet.h> +#include <netinet/ether.h> + +#include <NetworkManager.h> +#include <nm-connection.h> +#include <dbus/dbus.h> +#include <dbus/dbus-glib-lowlevel.h> +#include <nm-settings-system-interface.h> + +#include <nm-setting-8021x.h> +#include <nm-setting-bluetooth.h> +#include <nm-setting-cdma.h> +#include <nm-setting-connection.h> +#include <nm-setting-gsm.h> +#include <nm-setting-ip4-config.h> +#include <nm-setting-ip6-config.h> +#include <nm-setting-olpc-mesh.h> +#include <nm-setting-ppp.h> +#include <nm-setting-pppoe.h> +#include <nm-setting-serial.h> +#include <nm-setting-vpn.h> +#include <nm-setting-wired.h> +#include <nm-setting-wireless.h> +#include <nm-setting-wireless-security.h> + +#include "../nm-device-ethernet.h" +#include "nm-dbus-glib-types.h" +#include "nm-sysconfig-settings.h" +#include "nm-sysconfig-connection.h" +#include "nm-polkit-helpers.h" +#include "nm-system-config-error.h" +#include "nm-default-wired-connection.h" +#include "nm-logging.h" + +#define CONFIG_KEY_NO_AUTO_DEFAULT "no-auto-default" + +/* LINKER CRACKROCK */ +#define EXPORT(sym) void * __export_##sym = &sym; + +#include "nm-inotify-helper.h" +EXPORT(nm_inotify_helper_get_type) +EXPORT(nm_inotify_helper_get) +EXPORT(nm_inotify_helper_add_watch) +EXPORT(nm_inotify_helper_remove_watch) + +EXPORT(nm_sysconfig_connection_get_type) +EXPORT(nm_sysconfig_connection_update) +/* END LINKER CRACKROCK */ + +static void claim_connection (NMSysconfigSettings *self, + NMSettingsConnectionInterface *connection, + gboolean do_export); + +static void impl_settings_save_hostname (NMSysconfigSettings *self, + const char *hostname, + DBusGMethodInvocation *context); + +static void impl_settings_get_permissions (NMSysconfigSettings *self, + DBusGMethodInvocation *context); + +#include "nm-settings-system-glue.h" + +static void unmanaged_specs_changed (NMSystemConfigInterface *config, gpointer user_data); + +typedef struct { + PolkitAuthority *authority; + guint auth_changed_id; + char *config_file; + + GSList *pk_calls; + GSList *permissions_calls; + + GSList *plugins; + gboolean connections_loaded; + GHashTable *connections; + GSList *unmanaged_specs; +} NMSysconfigSettingsPrivate; + +static void settings_system_interface_init (NMSettingsSystemInterface *klass); + +G_DEFINE_TYPE_WITH_CODE (NMSysconfigSettings, nm_sysconfig_settings, NM_TYPE_SETTINGS_SERVICE, + G_IMPLEMENT_INTERFACE (NM_TYPE_SETTINGS_SYSTEM_INTERFACE, + settings_system_interface_init)) + +#define NM_SYSCONFIG_SETTINGS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SYSCONFIG_SETTINGS, NMSysconfigSettingsPrivate)) + +enum { + PROPERTIES_CHANGED, + + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +enum { + PROP_0, + PROP_UNMANAGED_SPECS, + + LAST_PROP +}; + +static void +load_connections (NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + + if (priv->connections_loaded) + return; + + for (iter = priv->plugins; iter; iter = g_slist_next (iter)) { + NMSystemConfigInterface *plugin = NM_SYSTEM_CONFIG_INTERFACE (iter->data); + GSList *plugin_connections; + GSList *elt; + + plugin_connections = nm_system_config_interface_get_connections (plugin); + + // FIXME: ensure connections from plugins loaded with a lower priority + // get rejected when they conflict with connections from a higher + // priority plugin. + + for (elt = plugin_connections; elt; elt = g_slist_next (elt)) + claim_connection (self, NM_SETTINGS_CONNECTION_INTERFACE (elt->data), TRUE); + + g_slist_free (plugin_connections); + } + + priv->connections_loaded = TRUE; + + /* FIXME: Bad hack */ + unmanaged_specs_changed (NULL, self); +} + +static GSList * +list_connections (NMSettingsService *settings) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (settings); + GHashTableIter iter; + gpointer key; + GSList *list = NULL; + + load_connections (NM_SYSCONFIG_SETTINGS (settings)); + + g_hash_table_iter_init (&iter, priv->connections); + while (g_hash_table_iter_next (&iter, &key, NULL)) + list = g_slist_prepend (list, NM_EXPORTED_CONNECTION (key)); + return g_slist_reverse (list); +} + +static void +clear_unmanaged_specs (NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + g_slist_foreach (priv->unmanaged_specs, (GFunc) g_free, NULL); + g_slist_free (priv->unmanaged_specs); + priv->unmanaged_specs = NULL; +} + +static char* +uscore_to_wincaps (const char *uscore) +{ + const char *p; + GString *str; + gboolean last_was_uscore; + + last_was_uscore = TRUE; + + str = g_string_new (NULL); + p = uscore; + while (p && *p) { + if (*p == '-' || *p == '_') + last_was_uscore = TRUE; + else { + if (last_was_uscore) { + g_string_append_c (str, g_ascii_toupper (*p)); + last_was_uscore = FALSE; + } else + g_string_append_c (str, *p); + } + ++p; + } + + return g_string_free (str, FALSE); +} + +static void +notify (GObject *object, GParamSpec *pspec) +{ + GValue *value; + GHashTable *hash; + + value = g_slice_new0 (GValue); + hash = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, NULL); + + g_value_init (value, pspec->value_type); + g_object_get_property (object, pspec->name, value); + g_hash_table_insert (hash, uscore_to_wincaps (pspec->name), value); + g_signal_emit (object, signals[PROPERTIES_CHANGED], 0, hash); + g_hash_table_destroy (hash); + g_value_unset (value); + g_slice_free (GValue, value); +} + +const GSList * +nm_sysconfig_settings_get_unmanaged_specs (NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + load_connections (self); + return priv->unmanaged_specs; +} + +static NMSystemConfigInterface * +get_plugin (NMSysconfigSettings *self, guint32 capability) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + + g_return_val_if_fail (self != NULL, NULL); + + /* Do any of the plugins support setting the hostname? */ + for (iter = priv->plugins; iter; iter = iter->next) { + NMSystemConfigInterfaceCapabilities caps = NM_SYSTEM_CONFIG_INTERFACE_CAP_NONE; + + g_object_get (G_OBJECT (iter->data), NM_SYSTEM_CONFIG_INTERFACE_CAPABILITIES, &caps, NULL); + if (caps & capability) + return NM_SYSTEM_CONFIG_INTERFACE (iter->data); + } + + return NULL; +} + +/* Returns an allocated string which the caller owns and must eventually free */ +char * +nm_sysconfig_settings_get_hostname (NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + char *hostname = NULL; + + /* Hostname returned is the hostname returned from the first plugin + * that provides one. + */ + for (iter = priv->plugins; iter; iter = iter->next) { + NMSystemConfigInterfaceCapabilities caps = NM_SYSTEM_CONFIG_INTERFACE_CAP_NONE; + + g_object_get (G_OBJECT (iter->data), NM_SYSTEM_CONFIG_INTERFACE_CAPABILITIES, &caps, NULL); + if (caps & NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME) { + g_object_get (G_OBJECT (iter->data), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME, &hostname, NULL); + if (hostname && strlen (hostname)) + return hostname; + g_free (hostname); + } + } + + return NULL; +} + +static void +plugin_connection_added (NMSystemConfigInterface *config, + NMSettingsConnectionInterface *connection, + gpointer user_data) +{ + claim_connection (NM_SYSCONFIG_SETTINGS (user_data), connection, TRUE); +} + +static gboolean +find_unmanaged_device (NMSysconfigSettings *self, const char *needle) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + + for (iter = priv->unmanaged_specs; iter; iter = g_slist_next (iter)) { + if (!strcmp ((const char *) iter->data, needle)) + return TRUE; + } + return FALSE; +} + +static void +unmanaged_specs_changed (NMSystemConfigInterface *config, + gpointer user_data) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (user_data); + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + + clear_unmanaged_specs (self); + + /* Ask all the plugins for their unmanaged specs */ + for (iter = priv->plugins; iter; iter = g_slist_next (iter)) { + GSList *specs, *specs_iter; + + specs = nm_system_config_interface_get_unmanaged_specs (NM_SYSTEM_CONFIG_INTERFACE (iter->data)); + for (specs_iter = specs; specs_iter; specs_iter = specs_iter->next) { + if (!find_unmanaged_device (self, (const char *) specs_iter->data)) { + priv->unmanaged_specs = g_slist_prepend (priv->unmanaged_specs, specs_iter->data); + } else + g_free (specs_iter->data); + } + + g_slist_free (specs); + } + + g_object_notify (G_OBJECT (self), NM_SYSCONFIG_SETTINGS_UNMANAGED_SPECS); +} + +static void +hostname_changed (NMSystemConfigInterface *config, + GParamSpec *pspec, + gpointer user_data) +{ + g_object_notify (G_OBJECT (user_data), NM_SETTINGS_SYSTEM_INTERFACE_HOSTNAME); +} + +static void +add_plugin (NMSysconfigSettings *self, NMSystemConfigInterface *plugin) +{ + NMSysconfigSettingsPrivate *priv; + char *pname = NULL; + char *pinfo = NULL; + + g_return_if_fail (NM_IS_SYSCONFIG_SETTINGS (self)); + g_return_if_fail (NM_IS_SYSTEM_CONFIG_INTERFACE (plugin)); + + priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + priv->plugins = g_slist_append (priv->plugins, g_object_ref (plugin)); + + g_signal_connect (plugin, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, + G_CALLBACK (plugin_connection_added), self); + g_signal_connect (plugin, "notify::hostname", G_CALLBACK (hostname_changed), self); + + nm_system_config_interface_init (plugin, NULL); + + g_object_get (G_OBJECT (plugin), + NM_SYSTEM_CONFIG_INTERFACE_NAME, &pname, + NM_SYSTEM_CONFIG_INTERFACE_INFO, &pinfo, + NULL); + + g_signal_connect (plugin, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED, + G_CALLBACK (unmanaged_specs_changed), self); + + nm_log_info (LOGD_SYS_SET, "Loaded plugin %s: %s", pname, pinfo); + g_free (pname); + g_free (pinfo); +} + +static GObject * +find_plugin (GSList *list, const char *pname) +{ + GSList *iter; + GObject *obj = NULL; + + g_return_val_if_fail (pname != NULL, FALSE); + + for (iter = list; iter && !obj; iter = g_slist_next (iter)) { + NMSystemConfigInterface *plugin = NM_SYSTEM_CONFIG_INTERFACE (iter->data); + char *list_pname = NULL; + + g_object_get (G_OBJECT (plugin), + NM_SYSTEM_CONFIG_INTERFACE_NAME, + &list_pname, + NULL); + if (list_pname && !strcmp (pname, list_pname)) + obj = G_OBJECT (plugin); + + g_free (list_pname); + } + + return obj; +} + +static gboolean +load_plugins (NMSysconfigSettings *self, const char *plugins, GError **error) +{ + GSList *list = NULL; + char **plist; + char **iter; + gboolean success = TRUE; + + plist = g_strsplit (plugins, ",", 0); + if (!plist) + return FALSE; + + for (iter = plist; *iter; iter++) { + GModule *plugin; + char *full_name, *path; + const char *pname = g_strstrip (*iter); + GObject *obj; + GObject * (*factory_func) (void); + + /* ifcfg-fedora was renamed ifcfg-rh; handle old configs here */ + if (!strcmp (pname, "ifcfg-fedora")) + pname = "ifcfg-rh"; + + obj = find_plugin (list, pname); + if (obj) + continue; + + full_name = g_strdup_printf ("nm-settings-plugin-%s", pname); + path = g_module_build_path (PLUGINDIR, full_name); + + plugin = g_module_open (path, G_MODULE_BIND_LOCAL); + if (!plugin) { + g_set_error (error, 0, 0, + "Could not load plugin '%s': %s", + pname, g_module_error ()); + g_free (full_name); + g_free (path); + success = FALSE; + break; + } + + g_free (full_name); + g_free (path); + + if (!g_module_symbol (plugin, "nm_system_config_factory", (gpointer) (&factory_func))) { + g_set_error (error, 0, 0, + "Could not find plugin '%s' factory function.", + pname); + success = FALSE; + break; + } + + obj = (*factory_func) (); + if (!obj || !NM_IS_SYSTEM_CONFIG_INTERFACE (obj)) { + g_set_error (error, 0, 0, + "Plugin '%s' returned invalid system config object.", + pname); + success = FALSE; + break; + } + + g_module_make_resident (plugin); + g_object_weak_ref (obj, (GWeakNotify) g_module_close, plugin); + add_plugin (self, NM_SYSTEM_CONFIG_INTERFACE (obj)); + list = g_slist_append (list, obj); + } + + g_strfreev (plist); + + g_slist_foreach (list, (GFunc) g_object_unref, NULL); + g_slist_free (list); + + return success; +} + +static void +connection_removed (NMSettingsConnectionInterface *connection, + gpointer user_data) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (user_data); + NMSettingConnection *s_con; + GKeyFile *timestamps_file; + const char *connection_uuid; + char *data; + gsize len; + GError *error = NULL; + + /* Remove connection from the table */ + g_hash_table_remove (priv->connections, connection); + + /* Remove timestamp from timestamps database file */ + s_con = NM_SETTING_CONNECTION (nm_connection_get_setting (NM_CONNECTION (connection), NM_TYPE_SETTING_CONNECTION)); + g_assert (s_con); + connection_uuid = nm_setting_connection_get_uuid (s_con); + + timestamps_file = g_key_file_new (); + if (g_key_file_load_from_file (timestamps_file, NM_SYSCONFIG_SETTINGS_TIMESTAMPS_FILE, G_KEY_FILE_KEEP_COMMENTS, NULL)) { + g_key_file_remove_key (timestamps_file, "timestamps", connection_uuid, NULL); + data = g_key_file_to_data (timestamps_file, &len, &error); + if (data) { + g_file_set_contents (NM_SYSCONFIG_SETTINGS_TIMESTAMPS_FILE, data, len, &error); + g_free (data); + } + if (error) { + nm_log_warn (LOGD_SYS_SET, "error writing timestamps file '%s': %s", NM_SYSCONFIG_SETTINGS_TIMESTAMPS_FILE, error->message); + g_error_free (error); + } + } + g_key_file_free (timestamps_file); +} + +static void +claim_connection (NMSysconfigSettings *self, + NMSettingsConnectionInterface *connection, + gboolean do_export) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + NMSettingConnection *s_con; + const char *connection_uuid; + guint64 timestamp = 0; + GKeyFile *timestamps_file; + GError *err = NULL; + char *tmp_str; + + g_return_if_fail (NM_IS_SYSCONFIG_SETTINGS (self)); + g_return_if_fail (NM_IS_SETTINGS_CONNECTION_INTERFACE (connection)); + + if (g_hash_table_lookup (priv->connections, connection)) + /* A plugin is lying to us. */ + return; + + /* Read timestamp from database file and store it into connection's object data */ + s_con = NM_SETTING_CONNECTION (nm_connection_get_setting (NM_CONNECTION (connection), NM_TYPE_SETTING_CONNECTION)); + g_assert (s_con); + connection_uuid = nm_setting_connection_get_uuid (s_con); + + timestamps_file = g_key_file_new (); + g_key_file_load_from_file (timestamps_file, NM_SYSCONFIG_SETTINGS_TIMESTAMPS_FILE, G_KEY_FILE_KEEP_COMMENTS, NULL); + tmp_str = g_key_file_get_value (timestamps_file, "timestamps", connection_uuid, &err); + if (tmp_str) { + timestamp = g_ascii_strtoull (tmp_str, NULL, 10); + g_free (tmp_str); + } + + /* Update connection's timestamp */ + if (!err) { + guint64 *ts_ptr = g_new (guint64, 1); + + *ts_ptr = timestamp; + g_object_set_data_full (G_OBJECT (connection), NM_SYSCONFIG_SETTINGS_TIMESTAMP_TAG, ts_ptr, g_free); + } else { + nm_log_dbg (LOGD_SYS_SET, "failed to read connection timestamp for '%s': (%d) %s", + connection_uuid, err->code, err->message); + g_clear_error (&err); + } + g_key_file_free (timestamps_file); + + g_hash_table_insert (priv->connections, g_object_ref (connection), GINT_TO_POINTER (1)); + g_signal_connect (connection, + NM_SETTINGS_CONNECTION_INTERFACE_REMOVED, + G_CALLBACK (connection_removed), + self); + + if (do_export) { + nm_settings_service_export_connection (NM_SETTINGS_SERVICE (self), connection); + g_signal_emit_by_name (self, NM_SETTINGS_INTERFACE_NEW_CONNECTION, connection); + } +} + +static void +remove_connection (NMSysconfigSettings *self, + NMSettingsConnectionInterface *connection, + gboolean do_signal) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + g_return_if_fail (NM_IS_SYSCONFIG_SETTINGS (self)); + g_return_if_fail (NM_IS_SETTINGS_CONNECTION_INTERFACE (connection)); + + if (g_hash_table_lookup (priv->connections, connection)) { + g_signal_emit_by_name (G_OBJECT (connection), NM_SETTINGS_CONNECTION_INTERFACE_REMOVED); + g_hash_table_remove (priv->connections, connection); + } +} + +typedef struct { + NMSysconfigSettings *self; + DBusGMethodInvocation *context; + PolkitSubject *subject; + GCancellable *cancellable; + gboolean disposed; + + NMConnection *connection; + NMSettingsAddConnectionFunc callback; + gpointer callback_data; + + char *hostname; + + NMSettingsSystemPermissions permissions; + guint32 permissions_calls; +} PolkitCall; + +#include "nm-dbus-manager.h" + +static PolkitCall * +polkit_call_new (NMSysconfigSettings *self, + DBusGMethodInvocation *context, + NMConnection *connection, + NMSettingsAddConnectionFunc callback, + gpointer callback_data, + const char *hostname) +{ + PolkitCall *call; + char *sender; + + g_return_val_if_fail (self != NULL, NULL); + g_return_val_if_fail (context != NULL, NULL); + + call = g_malloc0 (sizeof (PolkitCall)); + call->self = self; + call->cancellable = g_cancellable_new (); + call->context = context; + if (connection) + call->connection = g_object_ref (connection); + if (callback) { + call->callback = callback; + call->callback_data = callback_data; + } + if (hostname) + call->hostname = g_strdup (hostname); + + sender = dbus_g_method_get_sender (context); + call->subject = polkit_system_bus_name_new (sender); + g_free (sender); + + return call; +} + +static void +polkit_call_free (PolkitCall *call) +{ + if (call->connection) + g_object_unref (call->connection); + g_object_unref (call->cancellable); + g_free (call->hostname); + g_object_unref (call->subject); + g_free (call); +} + +static gboolean +add_new_connection (NMSysconfigSettings *self, + NMConnection *connection, + GError **error) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GError *tmp_error = NULL, *last_error = NULL; + GSList *iter; + gboolean success = FALSE; + + /* Here's how it works: + 1) plugin writes a connection. + 2) plugin notices that a new connection is available for reading. + 3) plugin reads the new connection (the one it wrote in 1) and emits 'connection-added' signal. + 4) NMSysconfigSettings receives the signal and adds it to it's connection list. + */ + + for (iter = priv->plugins; iter && !success; iter = iter->next) { + success = nm_system_config_interface_add_connection (NM_SYSTEM_CONFIG_INTERFACE (iter->data), + connection, + &tmp_error); + g_clear_error (&last_error); + if (!success) { + last_error = tmp_error; + tmp_error = NULL; + } + } + + if (!success) + *error = last_error; + return success; +} + +static void +pk_add_cb (GObject *object, GAsyncResult *result, gpointer user_data) +{ + PolkitCall *call = user_data; + NMSysconfigSettings *self = call->self; + NMSysconfigSettingsPrivate *priv; + PolkitAuthorizationResult *pk_result; + GError *error = NULL, *add_error = NULL; + + /* If NMSysconfigSettings is already gone, do nothing */ + if (call->disposed) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_GENERAL, + "Request was canceled."); + dbus_g_method_return_error (call->context, error); + g_error_free (error); + polkit_call_free (call); + return; + } + + priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + priv->pk_calls = g_slist_remove (priv->pk_calls, call); + + pk_result = polkit_authority_check_authorization_finish (priv->authority, + result, + &error); + /* Some random error happened */ + if (error) { + call->callback (NM_SETTINGS_INTERFACE (self), error, call->callback_data); + goto out; + } + + /* Caller didn't successfully authenticate */ + if (!polkit_authorization_result_get_is_authorized (pk_result)) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_NOT_PRIVILEGED, + "Insufficient privileges."); + call->callback (NM_SETTINGS_INTERFACE (self), error, call->callback_data); + goto out; + } + + if (add_new_connection (self, call->connection, &add_error)) + call->callback (NM_SETTINGS_INTERFACE (self), NULL, call->callback_data); + else { + error = g_error_new (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_ADD_FAILED, + "Saving connection failed: (%d) %s", + add_error ? add_error->code : -1, + (add_error && add_error->message) ? add_error->message : "(unknown)"); + g_error_free (add_error); + call->callback (NM_SETTINGS_INTERFACE (self), error, call->callback_data); + } + +out: + g_clear_error (&error); + polkit_call_free (call); + if (pk_result) + g_object_unref (pk_result); +} + +static void +add_connection (NMSettingsService *service, + NMConnection *connection, + DBusGMethodInvocation *context, /* Only present for D-Bus calls */ + NMSettingsAddConnectionFunc callback, + gpointer user_data) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (service); + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + PolkitCall *call; + GError *error = NULL; + + /* Do any of the plugins support adding? */ + if (!get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS)) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_ADD_NOT_SUPPORTED, + "None of the registered plugins support add."); + callback (NM_SETTINGS_INTERFACE (service), error, user_data); + g_error_free (error); + return; + } + + call = polkit_call_new (self, context, connection, callback, user_data, NULL); + g_assert (call); + polkit_authority_check_authorization (priv->authority, + call->subject, + NM_SYSCONFIG_POLICY_ACTION_CONNECTION_MODIFY, + NULL, + POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, + call->cancellable, + pk_add_cb, + call); + priv->pk_calls = g_slist_append (priv->pk_calls, call); +} + +static void +pk_hostname_cb (GObject *object, GAsyncResult *result, gpointer user_data) +{ + PolkitCall *call = user_data; + NMSysconfigSettings *self = call->self; + NMSysconfigSettingsPrivate *priv; + PolkitAuthorizationResult *pk_result; + GError *error = NULL; + GSList *iter; + gboolean success = FALSE; + + /* If our NMSysconfigConnection is already gone, do nothing */ + if (call->disposed) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_GENERAL, + "Request was canceled."); + dbus_g_method_return_error (call->context, error); + g_error_free (error); + polkit_call_free (call); + return; + } + + priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + priv->pk_calls = g_slist_remove (priv->pk_calls, call); + + pk_result = polkit_authority_check_authorization_finish (priv->authority, + result, + &error); + /* Some random error happened */ + if (error) { + dbus_g_method_return_error (call->context, error); + goto out; + } + + /* Caller didn't successfully authenticate */ + if (!polkit_authorization_result_get_is_authorized (pk_result)) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_NOT_PRIVILEGED, + "Insufficient privileges."); + dbus_g_method_return_error (call->context, error); + goto out; + } + + /* Set the hostname in all plugins */ + for (iter = priv->plugins; iter; iter = iter->next) { + NMSystemConfigInterfaceCapabilities caps = NM_SYSTEM_CONFIG_INTERFACE_CAP_NONE; + + g_object_get (G_OBJECT (iter->data), NM_SYSTEM_CONFIG_INTERFACE_CAPABILITIES, &caps, NULL); + if (caps & NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME) { + g_object_set (G_OBJECT (iter->data), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME, call->hostname, NULL); + success = TRUE; + } + } + + if (success) { + dbus_g_method_return (call->context); + } else { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_SAVE_HOSTNAME_FAILED, + "Saving the hostname failed."); + dbus_g_method_return_error (call->context, error); + } + +out: + g_clear_error (&error); + polkit_call_free (call); + if (pk_result) + g_object_unref (pk_result); +} + +static void +impl_settings_save_hostname (NMSysconfigSettings *self, + const char *hostname, + DBusGMethodInvocation *context) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + PolkitCall *call; + GError *error = NULL; + + /* Do any of the plugins support setting the hostname? */ + if (!get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME)) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_SAVE_HOSTNAME_NOT_SUPPORTED, + "None of the registered plugins support setting the hostname."); + dbus_g_method_return_error (context, error); + g_error_free (error); + return; + } + + call = polkit_call_new (self, context, NULL, NULL, NULL, hostname); + g_assert (call); + polkit_authority_check_authorization (priv->authority, + call->subject, + NM_SYSCONFIG_POLICY_ACTION_HOSTNAME_MODIFY, + NULL, + POLKIT_CHECK_AUTHORIZATION_FLAGS_ALLOW_USER_INTERACTION, + call->cancellable, + pk_hostname_cb, + call); + priv->pk_calls = g_slist_append (priv->pk_calls, call); +} + +static void +pk_authority_changed_cb (GObject *object, gpointer user_data) +{ + /* Let clients know they should re-check their authorization */ + g_signal_emit_by_name (NM_SYSCONFIG_SETTINGS (user_data), + NM_SETTINGS_SYSTEM_INTERFACE_CHECK_PERMISSIONS); +} + +typedef struct { + PolkitCall *pk_call; + const char *pk_action; + GCancellable *cancellable; + NMSettingsSystemPermissions permission; + gboolean disposed; +} PermissionsCall; + +static void +permission_call_done (GObject *object, GAsyncResult *result, gpointer user_data) +{ + PermissionsCall *call = user_data; + PolkitCall *pk_call = call->pk_call; + NMSysconfigSettings *self = pk_call->self; + NMSysconfigSettingsPrivate *priv; + PolkitAuthorizationResult *pk_result; + GError *error = NULL; + + /* If NMSysconfigSettings is gone, just skip to the end */ + if (call->disposed) + goto done; + + priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + priv->permissions_calls = g_slist_remove (priv->permissions_calls, call); + + pk_result = polkit_authority_check_authorization_finish (priv->authority, + result, + &error); + /* Some random error happened */ + if (error) { + nm_log_err (LOGD_SYS_SET, "error checking '%s' permission: (%d) %s", + call->pk_action, + error ? error->code : -1, + error && error->message ? error->message : "(unknown)"); + if (error) + g_error_free (error); + } else { + /* If the caller is authorized, or the caller could authorize via a + * challenge, then authorization is possible. Otherwise, caller is out of + * luck. + */ + if ( polkit_authorization_result_get_is_authorized (pk_result) + || polkit_authorization_result_get_is_challenge (pk_result)) + pk_call->permissions |= call->permission; + } + + g_object_unref (pk_result); + +done: + pk_call->permissions_calls--; + if (pk_call->permissions_calls == 0) { + if (call->disposed) { + error = g_error_new_literal (NM_SYSCONFIG_SETTINGS_ERROR, + NM_SYSCONFIG_SETTINGS_ERROR_GENERAL, + "Request was canceled."); + dbus_g_method_return_error (pk_call->context, error); + g_error_free (error); + } else { + /* All the permissions calls are done, return the full permissions + * bitfield back to the user. + */ + dbus_g_method_return (pk_call->context, pk_call->permissions); + } + + polkit_call_free (pk_call); + } + memset (call, 0, sizeof (PermissionsCall)); + g_free (call); +} + +static void +start_permission_check (NMSysconfigSettings *self, + PolkitCall *pk_call, + const char *pk_action, + NMSettingsSystemPermissions permission) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + PermissionsCall *call; + + g_return_if_fail (pk_call != NULL); + g_return_if_fail (pk_action != NULL); + g_return_if_fail (permission != NM_SETTINGS_SYSTEM_PERMISSION_NONE); + + call = g_malloc0 (sizeof (PermissionsCall)); + call->pk_call = pk_call; + call->pk_action = pk_action; + call->permission = permission; + call->cancellable = g_cancellable_new (); + + pk_call->permissions_calls++; + + polkit_authority_check_authorization (priv->authority, + pk_call->subject, + pk_action, + NULL, + 0, + call->cancellable, + permission_call_done, + call); + priv->permissions_calls = g_slist_append (priv->permissions_calls, call); +} + +static void +impl_settings_get_permissions (NMSysconfigSettings *self, + DBusGMethodInvocation *context) +{ + PolkitCall *call; + + call = polkit_call_new (self, context, NULL, NULL, NULL, FALSE); + g_assert (call); + + /* Start checks for the various permissions */ + + /* Only check for connection-modify if one of our plugins supports it. */ + if (get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS)) { + start_permission_check (self, call, + NM_SYSCONFIG_POLICY_ACTION_CONNECTION_MODIFY, + NM_SETTINGS_SYSTEM_PERMISSION_CONNECTION_MODIFY); + } + + /* Only check for hostname-modify if one of our plugins supports it. */ + if (get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME)) { + start_permission_check (self, call, + NM_SYSCONFIG_POLICY_ACTION_HOSTNAME_MODIFY, + NM_SETTINGS_SYSTEM_PERMISSION_HOSTNAME_MODIFY); + } + + // FIXME: hook these into plugin permissions like the modify permissions */ + start_permission_check (self, call, + NM_SYSCONFIG_POLICY_ACTION_WIFI_SHARE_OPEN, + NM_SETTINGS_SYSTEM_PERMISSION_WIFI_SHARE_OPEN); + start_permission_check (self, call, + NM_SYSCONFIG_POLICY_ACTION_WIFI_SHARE_PROTECTED, + NM_SETTINGS_SYSTEM_PERMISSION_WIFI_SHARE_PROTECTED); +} + +static gboolean +get_permissions (NMSettingsSystemInterface *settings, + NMSettingsSystemGetPermissionsFunc callback, + gpointer user_data) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (settings); + NMSettingsSystemPermissions permissions = NM_SETTINGS_SYSTEM_PERMISSION_NONE; + + /* Local caller (ie, NM) gets full permissions by default because it doesn't + * need authorization. However, permissions are still subject to plugin's + * restrictions. i.e. if no plugins support connection-modify, then even + * the local caller won't get that permission. + */ + + /* Only check for connection-modify if one of our plugins supports it. */ + if (get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS)) + permissions |= NM_SETTINGS_SYSTEM_PERMISSION_CONNECTION_MODIFY; + + /* Only check for hostname-modify if one of our plugins supports it. */ + if (get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME)) + permissions |= NM_SETTINGS_SYSTEM_PERMISSION_HOSTNAME_MODIFY; + + // FIXME: hook these into plugin permissions like the modify permissions */ + permissions |= NM_SETTINGS_SYSTEM_PERMISSION_WIFI_SHARE_OPEN; + permissions |= NM_SETTINGS_SYSTEM_PERMISSION_WIFI_SHARE_PROTECTED; + + callback (settings, permissions, NULL, user_data); + return TRUE; +} + +static gboolean +have_connection_for_device (NMSysconfigSettings *self, GByteArray *mac) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GHashTableIter iter; + gpointer key; + NMSettingConnection *s_con; + NMSettingWired *s_wired; + const GByteArray *setting_mac; + gboolean ret = FALSE; + + g_return_val_if_fail (NM_IS_SYSCONFIG_SETTINGS (self), FALSE); + g_return_val_if_fail (mac != NULL, FALSE); + + /* Find a wired connection locked to the given MAC address, if any */ + g_hash_table_iter_init (&iter, priv->connections); + while (g_hash_table_iter_next (&iter, &key, NULL)) { + NMConnection *connection = NM_CONNECTION (key); + const char *connection_type; + + s_con = NM_SETTING_CONNECTION (nm_connection_get_setting (connection, NM_TYPE_SETTING_CONNECTION)); + connection_type = nm_setting_connection_get_connection_type (s_con); + + if ( strcmp (connection_type, NM_SETTING_WIRED_SETTING_NAME) + && strcmp (connection_type, NM_SETTING_PPPOE_SETTING_NAME)) + continue; + + s_wired = (NMSettingWired *) nm_connection_get_setting (connection, NM_TYPE_SETTING_WIRED); + + /* No wired setting; therefore the PPPoE connection applies to any device */ + if (!s_wired && !strcmp (connection_type, NM_SETTING_PPPOE_SETTING_NAME)) { + ret = TRUE; + break; + } + + setting_mac = nm_setting_wired_get_mac_address (s_wired); + if (setting_mac) { + /* A connection mac-locked to this device */ + if (!memcmp (setting_mac->data, mac->data, ETH_ALEN)) { + ret = TRUE; + break; + } + } else { + /* A connection that applies to any wired device */ + ret = TRUE; + break; + } + } + + return ret; +} + +/* Search through the list of blacklisted MAC addresses in the config file. */ +static gboolean +is_mac_auto_wired_blacklisted (NMSysconfigSettings *self, const GByteArray *mac) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GKeyFile *config; + char **list, **iter; + gboolean found = FALSE; + + g_return_val_if_fail (mac != NULL, FALSE); + + if (!priv->config_file) + return FALSE; + + config = g_key_file_new (); + if (!config) { + nm_log_warn (LOGD_SYS_SET, "not enough memory to load config file."); + return FALSE; + } + + g_key_file_set_list_separator (config, ','); + if (!g_key_file_load_from_file (config, priv->config_file, G_KEY_FILE_NONE, NULL)) + goto out; + + list = g_key_file_get_string_list (config, "main", CONFIG_KEY_NO_AUTO_DEFAULT, NULL, NULL); + for (iter = list; iter && *iter; iter++) { + struct ether_addr *candidate; + + if (strcmp(g_strstrip(*iter), "*") == 0) { + found = TRUE; + break; + } + + candidate = ether_aton (*iter); + if (candidate && !memcmp (mac->data, candidate->ether_addr_octet, ETH_ALEN)) { + found = TRUE; + break; + } + } + + if (list) + g_strfreev (list); + +out: + g_key_file_free (config); + return found; +} + +#define DEFAULT_WIRED_TAG "default-wired" + +static void +default_wired_deleted (NMDefaultWiredConnection *wired, + const GByteArray *mac, + NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + NMSettingConnection *s_con; + char *tmp; + GKeyFile *config; + char **list, **iter, **updated; + gboolean found = FALSE; + gsize len = 0, i; + char *data; + + /* If there was no config file specified, there's nothing to do */ + if (!priv->config_file) + goto cleanup; + + /* When the default wired connection is removed (either deleted or saved + * to a new persistent connection by a plugin), write the MAC address of + * the wired device to the config file and don't create a new default wired + * connection for that device again. + */ + + s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (wired), + NM_TYPE_SETTING_CONNECTION); + g_assert (s_con); + + /* Ignore removals of read-only connections, since they couldn't have + * been removed by the user. + */ + if (nm_setting_connection_get_read_only (s_con)) + goto cleanup; + + config = g_key_file_new (); + if (!config) + goto cleanup; + + g_key_file_set_list_separator (config, ','); + g_key_file_load_from_file (config, priv->config_file, G_KEY_FILE_KEEP_COMMENTS, NULL); + + list = g_key_file_get_string_list (config, "main", CONFIG_KEY_NO_AUTO_DEFAULT, &len, NULL); + for (iter = list; iter && *iter; iter++) { + struct ether_addr *candidate; + + if (strcmp(g_strstrip(*iter), "*") == 0) { + found = TRUE; + break; + } + + candidate = ether_aton (*iter); + if (candidate && !memcmp (mac->data, candidate->ether_addr_octet, ETH_ALEN)) { + found = TRUE; + break; + } + } + + /* Add this device's MAC to the list */ + if (!found) { + tmp = g_strdup_printf ("%02x:%02x:%02x:%02x:%02x:%02x", + mac->data[0], mac->data[1], mac->data[2], + mac->data[3], mac->data[4], mac->data[5]); + + /* New list; size + 1 for the new element, + 1 again for ending NULL */ + updated = g_malloc0 (sizeof (char*) * (len + 2)); + + /* Copy original list and add new MAC */ + for (i = 0; list && list[i]; i++) + updated[i] = list[i]; + updated[i++] = tmp; + updated[i] = NULL; + + g_key_file_set_string_list (config, + "main", CONFIG_KEY_NO_AUTO_DEFAULT, + (const char **) updated, + len + 2); + /* g_free() not g_strfreev() since 'updated' isn't a deep-copy */ + g_free (updated); + g_free (tmp); + + data = g_key_file_to_data (config, &len, NULL); + if (data) { + g_file_set_contents (priv->config_file, data, len, NULL); + g_free (data); + } + } + + if (list) + g_strfreev (list); + g_key_file_free (config); + +cleanup: + g_object_set_data (G_OBJECT (nm_default_wired_connection_get_device (wired)), + DEFAULT_WIRED_TAG, + NULL); +} + +static void +delete_cb (NMSettingsConnectionInterface *connection, GError *error, gpointer user_data) +{ +} + +static gboolean +default_wired_try_update (NMDefaultWiredConnection *wired, + NMSysconfigSettings *self) +{ + GError *error = NULL; + NMSettingConnection *s_con; + const char *id; + + /* Try to move this default wired conneciton to a plugin so that it has + * persistent storage. + */ + + s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (wired), + NM_TYPE_SETTING_CONNECTION); + g_assert (s_con); + id = nm_setting_connection_get_id (s_con); + g_assert (id); + + remove_connection (self, NM_SETTINGS_CONNECTION_INTERFACE (wired), FALSE); + if (add_new_connection (self, NM_CONNECTION (wired), &error)) { + nm_settings_connection_interface_delete (NM_SETTINGS_CONNECTION_INTERFACE (wired), + delete_cb, + NULL); + + g_object_set_data (G_OBJECT (nm_default_wired_connection_get_device (wired)), + DEFAULT_WIRED_TAG, + NULL); + nm_log_info (LOGD_SYS_SET, "Saved default wired connection '%s' to persistent storage", id); + return FALSE; + } + + nm_log_warn (LOGD_SYS_SET, "couldn't save default wired connection '%s': %d / %s", + id, + error ? error->code : -1, + (error && error->message) ? error->message : "(unknown)"); + + /* If there was an error, don't destroy the default wired connection, + * but add it back to the system settings service. Connection is already + * exported on the bus, don't export it again, thus do_export == FALSE. + */ + claim_connection (self, NM_SETTINGS_CONNECTION_INTERFACE (wired), FALSE); + return TRUE; +} + +void +nm_sysconfig_settings_device_added (NMSysconfigSettings *self, NMDevice *device) +{ + GByteArray *mac = NULL; + struct ether_addr tmp; + NMDefaultWiredConnection *wired; + NMSettingConnection *s_con; + gboolean read_only = TRUE; + const char *id; + + if (nm_device_get_device_type (device) != NM_DEVICE_TYPE_ETHERNET) + return; + + /* If the device isn't managed or it already has a default wired connection, + * ignore it. + */ + if ( !nm_device_get_managed (device) + || g_object_get_data (G_OBJECT (device), DEFAULT_WIRED_TAG)) + return; + + nm_device_ethernet_get_address (NM_DEVICE_ETHERNET (device), &tmp); + + mac = g_byte_array_sized_new (ETH_ALEN); + g_byte_array_append (mac, tmp.ether_addr_octet, ETH_ALEN); + + if ( have_connection_for_device (self, mac) + || is_mac_auto_wired_blacklisted (self, mac)) + goto ignore; + + if (get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS)) + read_only = FALSE; + + wired = nm_default_wired_connection_new (mac, device, read_only); + if (!wired) + goto ignore; + + s_con = (NMSettingConnection *) nm_connection_get_setting (NM_CONNECTION (wired), + NM_TYPE_SETTING_CONNECTION); + g_assert (s_con); + id = nm_setting_connection_get_id (s_con); + g_assert (id); + + nm_log_info (LOGD_SYS_SET, "Added default wired connection '%s' for %s", + id, nm_device_get_udi (device)); + + g_signal_connect (wired, "try-update", (GCallback) default_wired_try_update, self); + g_signal_connect (wired, "deleted", (GCallback) default_wired_deleted, self); + claim_connection (self, NM_SETTINGS_CONNECTION_INTERFACE (wired), TRUE); + g_object_unref (wired); + + g_object_set_data (G_OBJECT (device), DEFAULT_WIRED_TAG, wired); + +ignore: + g_byte_array_free (mac, TRUE); +} + +void +nm_sysconfig_settings_device_removed (NMSysconfigSettings *self, NMDevice *device) +{ + NMDefaultWiredConnection *connection; + + if (nm_device_get_device_type (device) != NM_DEVICE_TYPE_ETHERNET) + return; + + connection = (NMDefaultWiredConnection *) g_object_get_data (G_OBJECT (device), DEFAULT_WIRED_TAG); + if (connection) + remove_connection (self, NM_SETTINGS_CONNECTION_INTERFACE (connection), TRUE); +} + +NMSysconfigSettings * +nm_sysconfig_settings_new (const char *config_file, + const char *plugins, + DBusGConnection *bus, + GError **error) +{ + NMSysconfigSettings *self; + NMSysconfigSettingsPrivate *priv; + + self = g_object_new (NM_TYPE_SYSCONFIG_SETTINGS, + NM_SETTINGS_SERVICE_BUS, bus, + NM_SETTINGS_SERVICE_SCOPE, NM_CONNECTION_SCOPE_SYSTEM, + NULL); + if (!self) + return NULL; + + priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + priv->config_file = g_strdup (config_file); + + if (plugins) { + /* Load the plugins; fail if a plugin is not found. */ + if (!load_plugins (self, plugins, error)) { + g_object_unref (self); + return NULL; + } + unmanaged_specs_changed (NULL, self); + } + + return self; +} + +/***************************************************************/ + +static void +dispose (GObject *object) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (object); + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GSList *iter; + + if (priv->auth_changed_id) { + g_signal_handler_disconnect (priv->authority, priv->auth_changed_id); + priv->auth_changed_id = 0; + } + + /* Cancel PolicyKit requests */ + for (iter = priv->pk_calls; iter; iter = g_slist_next (iter)) { + PolkitCall *call = iter->data; + + call->disposed = TRUE; + g_cancellable_cancel (call->cancellable); + } + g_slist_free (priv->pk_calls); + priv->pk_calls = NULL; + + /* Cancel PolicyKit permissions requests */ + for (iter = priv->permissions_calls; iter; iter = g_slist_next (iter)) { + PermissionsCall *call = iter->data; + + call->disposed = TRUE; + g_cancellable_cancel (call->cancellable); + } + g_slist_free (priv->permissions_calls); + priv->permissions_calls = NULL; + + G_OBJECT_CLASS (nm_sysconfig_settings_parent_class)->dispose (object); +} + +static void +finalize (GObject *object) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (object); + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + + g_hash_table_destroy (priv->connections); + + clear_unmanaged_specs (self); + + g_slist_foreach (priv->plugins, (GFunc) g_object_unref, NULL); + g_slist_free (priv->plugins); + + g_free (priv->config_file); + + G_OBJECT_CLASS (nm_sysconfig_settings_parent_class)->finalize (object); +} + +static void +settings_system_interface_init (NMSettingsSystemInterface *iface) +{ + iface->get_permissions = get_permissions; + + dbus_g_object_type_install_info (G_TYPE_FROM_INTERFACE (iface), + &dbus_glib_nm_settings_system_object_info); +} + +static void +get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec) +{ + NMSysconfigSettings *self = NM_SYSCONFIG_SETTINGS (object); + const GSList *specs, *iter; + GSList *copy = NULL; + + switch (prop_id) { + case PROP_UNMANAGED_SPECS: + specs = nm_sysconfig_settings_get_unmanaged_specs (self); + for (iter = specs; iter; iter = g_slist_next (iter)) + copy = g_slist_append (copy, g_strdup (iter->data)); + g_value_take_boxed (value, copy); + break; + case NM_SETTINGS_SYSTEM_INTERFACE_PROP_HOSTNAME: + g_value_take_string (value, nm_sysconfig_settings_get_hostname (self)); + + /* Don't ever pass NULL through D-Bus */ + if (!g_value_get_string (value)) + g_value_set_static_string (value, ""); + break; + case NM_SETTINGS_SYSTEM_INTERFACE_PROP_CAN_MODIFY: + g_value_set_boolean (value, !!get_plugin (self, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_CONNECTIONS)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_sysconfig_settings_class_init (NMSysconfigSettingsClass *class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (class); + NMSettingsServiceClass *ss_class = NM_SETTINGS_SERVICE_CLASS (class); + + g_type_class_add_private (class, sizeof (NMSysconfigSettingsPrivate)); + + /* virtual methods */ + object_class->notify = notify; + object_class->get_property = get_property; + object_class->dispose = dispose; + object_class->finalize = finalize; + ss_class->list_connections = list_connections; + ss_class->add_connection = add_connection; + + /* properties */ + g_object_class_install_property + (object_class, PROP_UNMANAGED_SPECS, + g_param_spec_boxed (NM_SYSCONFIG_SETTINGS_UNMANAGED_SPECS, + "Unamanged device specs", + "Unmanaged device specs", + DBUS_TYPE_G_LIST_OF_STRING, + G_PARAM_READABLE)); + + g_object_class_override_property (object_class, + NM_SETTINGS_SYSTEM_INTERFACE_PROP_HOSTNAME, + NM_SETTINGS_SYSTEM_INTERFACE_HOSTNAME); + + g_object_class_override_property (object_class, + NM_SETTINGS_SYSTEM_INTERFACE_PROP_CAN_MODIFY, + NM_SETTINGS_SYSTEM_INTERFACE_CAN_MODIFY); + + /* signals */ + signals[PROPERTIES_CHANGED] = + g_signal_new ("properties-changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (NMSysconfigSettingsClass, properties_changed), + NULL, NULL, + g_cclosure_marshal_VOID__BOXED, + G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_VARIANT); + + dbus_g_error_domain_register (NM_SYSCONFIG_SETTINGS_ERROR, + NM_DBUS_IFACE_SETTINGS_SYSTEM, + NM_TYPE_SYSCONFIG_SETTINGS_ERROR); + + dbus_g_error_domain_register (NM_SETTINGS_INTERFACE_ERROR, + NM_DBUS_IFACE_SETTINGS, + NM_TYPE_SETTINGS_INTERFACE_ERROR); + + /* And register all the settings errors with D-Bus */ + dbus_g_error_domain_register (NM_CONNECTION_ERROR, NULL, NM_TYPE_CONNECTION_ERROR); + dbus_g_error_domain_register (NM_SETTING_802_1X_ERROR, NULL, NM_TYPE_SETTING_802_1X_ERROR); + dbus_g_error_domain_register (NM_SETTING_BLUETOOTH_ERROR, NULL, NM_TYPE_SETTING_BLUETOOTH_ERROR); + dbus_g_error_domain_register (NM_SETTING_CDMA_ERROR, NULL, NM_TYPE_SETTING_CDMA_ERROR); + dbus_g_error_domain_register (NM_SETTING_CONNECTION_ERROR, NULL, NM_TYPE_SETTING_CONNECTION_ERROR); + dbus_g_error_domain_register (NM_SETTING_GSM_ERROR, NULL, NM_TYPE_SETTING_GSM_ERROR); + dbus_g_error_domain_register (NM_SETTING_IP4_CONFIG_ERROR, NULL, NM_TYPE_SETTING_IP4_CONFIG_ERROR); + dbus_g_error_domain_register (NM_SETTING_IP6_CONFIG_ERROR, NULL, NM_TYPE_SETTING_IP6_CONFIG_ERROR); + dbus_g_error_domain_register (NM_SETTING_OLPC_MESH_ERROR, NULL, NM_TYPE_SETTING_OLPC_MESH_ERROR); + dbus_g_error_domain_register (NM_SETTING_PPP_ERROR, NULL, NM_TYPE_SETTING_PPP_ERROR); + dbus_g_error_domain_register (NM_SETTING_PPPOE_ERROR, NULL, NM_TYPE_SETTING_PPPOE_ERROR); + dbus_g_error_domain_register (NM_SETTING_SERIAL_ERROR, NULL, NM_TYPE_SETTING_SERIAL_ERROR); + dbus_g_error_domain_register (NM_SETTING_VPN_ERROR, NULL, NM_TYPE_SETTING_VPN_ERROR); + dbus_g_error_domain_register (NM_SETTING_WIRED_ERROR, NULL, NM_TYPE_SETTING_WIRED_ERROR); + dbus_g_error_domain_register (NM_SETTING_WIRELESS_SECURITY_ERROR, NULL, NM_TYPE_SETTING_WIRELESS_SECURITY_ERROR); + dbus_g_error_domain_register (NM_SETTING_WIRELESS_ERROR, NULL, NM_TYPE_SETTING_WIRELESS_ERROR); + dbus_g_error_domain_register (NM_SETTING_ERROR, NULL, NM_TYPE_SETTING_ERROR); +} + +static void +nm_sysconfig_settings_init (NMSysconfigSettings *self) +{ + NMSysconfigSettingsPrivate *priv = NM_SYSCONFIG_SETTINGS_GET_PRIVATE (self); + GError *error = NULL; + + priv->connections = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, NULL); + + priv->authority = polkit_authority_get_sync (NULL, &error); + if (priv->authority) { + priv->auth_changed_id = g_signal_connect (priv->authority, + "changed", + G_CALLBACK (pk_authority_changed_cb), + self); + } else { + nm_log_warn (LOGD_SYS_SET, "failed to create PolicyKit authority: (%d) %s", + error ? error->code : -1, + error && error->message ? error->message : "(unknown)"); + g_clear_error (&error); + } +} + |