From 35e2d1d298607c3fdb2cbbfb1cf878dc9cbbf546 Mon Sep 17 00:00:00 2001 From: Ray Strode Date: Mon, 20 Aug 2018 14:30:59 -0400 Subject: [PATCH 3/5] daemon: save os-release in accountsservice It can be useful to know what OS a user was running when they logged in (to detect upgrades). This commit saves that information in accountsservice. --- .../com.redhat.AccountsServiceUser.System.xml | 10 ++ daemon/gdm-session-settings.c | 98 +++++++++++++++++++ daemon/meson.build | 8 ++ 3 files changed, 116 insertions(+) create mode 100644 daemon/com.redhat.AccountsServiceUser.System.xml diff --git a/daemon/com.redhat.AccountsServiceUser.System.xml b/daemon/com.redhat.AccountsServiceUser.System.xml new file mode 100644 index 000000000..67f5f302c --- /dev/null +++ b/daemon/com.redhat.AccountsServiceUser.System.xml @@ -0,0 +1,10 @@ + + + + + + + + + + diff --git a/daemon/gdm-session-settings.c b/daemon/gdm-session-settings.c index 5b64cb65b..5bcfdc14f 100644 --- a/daemon/gdm-session-settings.c +++ b/daemon/gdm-session-settings.c @@ -1,70 +1,77 @@ /* gdm-session-settings.c - Loads session and language from ~/.dmrc * * Copyright (C) 2008 Red Hat, Inc. * * 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, 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. * * Written by: Ray Strode */ #include "config.h" #include "gdm-session-settings.h" +#include "gdm-common.h" + +#include "com.redhat.AccountsServiceUser.System.h" #include #include #include #include #include #include #include #include #include struct _GdmSessionSettingsPrivate { ActUserManager *user_manager; ActUser *user; + + /* used for retrieving the last OS user logged in with */ + GdmAccountsServiceUserSystem *user_system_proxy; + char *session_name; char *session_type; char *language_name; }; static void gdm_session_settings_finalize (GObject *object); static void gdm_session_settings_class_install_properties (GdmSessionSettingsClass * settings_class); static void gdm_session_settings_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gdm_session_settings_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); enum { PROP_0 = 0, PROP_SESSION_NAME, PROP_SESSION_TYPE, PROP_LANGUAGE_NAME, PROP_IS_LOADED }; G_DEFINE_TYPE_WITH_PRIVATE (GdmSessionSettings, gdm_session_settings, G_TYPE_OBJECT) @@ -107,60 +114,62 @@ gdm_session_settings_class_install_properties (GdmSessionSettingsClass *settings g_object_class_install_property (object_class, PROP_LANGUAGE_NAME, param_spec); param_spec = g_param_spec_boolean ("is-loaded", NULL, NULL, FALSE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_IS_LOADED, param_spec); } static void gdm_session_settings_init (GdmSessionSettings *settings) { settings->priv = G_TYPE_INSTANCE_GET_PRIVATE (settings, GDM_TYPE_SESSION_SETTINGS, GdmSessionSettingsPrivate); settings->priv->user_manager = act_user_manager_get_default (); } static void gdm_session_settings_finalize (GObject *object) { GdmSessionSettings *settings; GObjectClass *parent_class; settings = GDM_SESSION_SETTINGS (object); if (settings->priv->user != NULL) { g_object_unref (settings->priv->user); } + g_clear_object (&settings->priv->user_system_proxy); + g_free (settings->priv->session_name); g_free (settings->priv->language_name); parent_class = G_OBJECT_CLASS (gdm_session_settings_parent_class); if (parent_class->finalize != NULL) { parent_class->finalize (object); } } void gdm_session_settings_set_language_name (GdmSessionSettings *settings, const char *language_name) { g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); if (settings->priv->language_name == NULL || strcmp (settings->priv->language_name, language_name) != 0) { settings->priv->language_name = g_strdup (language_name); g_object_notify (G_OBJECT (settings), "language-name"); } } void gdm_session_settings_set_session_name (GdmSessionSettings *settings, const char *session_name) { g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); if (settings->priv->session_name == NULL || @@ -261,69 +270,86 @@ gdm_session_settings_get_property (GObject *object, default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } GdmSessionSettings * gdm_session_settings_new (void) { GdmSessionSettings *settings; settings = g_object_new (GDM_TYPE_SESSION_SETTINGS, NULL); return settings; } gboolean gdm_session_settings_is_loaded (GdmSessionSettings *settings) { if (settings->priv->user == NULL) { return FALSE; } return act_user_is_loaded (settings->priv->user); } static void load_settings_from_user (GdmSessionSettings *settings) { + const char *object_path; const char *session_name; const char *session_type; const char *language_name; if (!act_user_is_loaded (settings->priv->user)) { g_warning ("GdmSessionSettings: trying to load user settings from unloaded user"); return; } + object_path = act_user_get_object_path (settings->priv->user); + + if (object_path != NULL) { + g_autoptr (GError) error = NULL; + settings->priv->user_system_proxy = gdm_accounts_service_user_system_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM, + G_DBUS_PROXY_FLAGS_NONE, + "org.freedesktop.Accounts", + object_path, + NULL, + &error); + if (error != NULL) { + g_debug ("GdmSessionSettings: couldn't retrieve user system proxy from accountsservice: %s", + error->message); + } + } + /* if the user doesn't have saved state, they don't have any settings worth reading */ if (!act_user_get_saved (settings->priv->user)) goto out; session_type = act_user_get_session_type (settings->priv->user); session_name = act_user_get_session (settings->priv->user); g_debug ("GdmSessionSettings: saved session is %s (type %s)", session_name, session_type); if (session_type != NULL && session_type[0] != '\0') { gdm_session_settings_set_session_type (settings, session_type); } if (session_name != NULL && session_name[0] != '\0') { gdm_session_settings_set_session_name (settings, session_name); } language_name = act_user_get_language (settings->priv->user); g_debug ("GdmSessionSettings: saved language is %s", language_name); if (language_name != NULL && language_name[0] != '\0') { gdm_session_settings_set_language_name (settings, language_name); } out: g_object_notify (G_OBJECT (settings), "is-loaded"); } static void on_user_is_loaded_changed (ActUser *user, @@ -349,64 +375,136 @@ gdm_session_settings_load (GdmSessionSettings *settings, g_return_val_if_fail (!gdm_session_settings_is_loaded (settings), FALSE); if (settings->priv->user != NULL) { old_user = settings->priv->user; g_signal_handlers_disconnect_by_func (G_OBJECT (settings->priv->user), G_CALLBACK (on_user_is_loaded_changed), settings); } else { old_user = NULL; } settings->priv->user = act_user_manager_get_user (settings->priv->user_manager, username); g_clear_object (&old_user); if (!act_user_is_loaded (settings->priv->user)) { g_signal_connect (settings->priv->user, "notify::is-loaded", G_CALLBACK (on_user_is_loaded_changed), settings); return FALSE; } load_settings_from_user (settings); return TRUE; } +static void +save_os_release (GdmSessionSettings *settings, + ActUser *user) +{ + g_autoptr(GFile) file = NULL; + g_autoptr(GError) error = NULL; + g_autofree char *contents = NULL; + g_auto(GStrv) lines = NULL; + size_t i; + + if (settings->priv->user_system_proxy == NULL) { + g_debug ("GdmSessionSettings: not saving OS version to user account because accountsservice doesn't support it"); + return; + } + + file = g_file_new_for_path ("/etc/os-release"); + + if (!g_file_load_contents (file, NULL, &contents, NULL, NULL, &error)) { + g_debug ("GdmSessionSettings: couldn't load /etc/os-release: %s", error->message); + return; + } + + lines = g_strsplit (contents, "\n", -1); + for (i = 0; lines[i] != NULL; i++) { + char *p, *name, *name_end, *value, *value_end; + + p = lines[i]; + + while (g_ascii_isspace (*p)) + p++; + + if (*p == '#' || *p == '\0') + continue; + name = p; + while (gdm_shell_var_is_valid_char (*p, p == name)) + p++; + name_end = p; + while (g_ascii_isspace (*p)) + p++; + if (name == name_end || *p != '=') { + continue; + } + *name_end = '\0'; + + p++; + + while (g_ascii_isspace (*p)) + p++; + + value = p; + value_end = value + strlen(value) - 1; + + if (value != value_end && *value == '"' && *value_end == '"') { + value++; + *value_end = '\0'; + } + + if (strcmp (name, "ID") == 0) { + gdm_accounts_service_user_system_set_id (settings->priv->user_system_proxy, + value); + g_debug ("GdmSessionSettings: setting system OS for user to '%s'", value); + } else if (strcmp (name, "VERSION_ID") == 0) { + gdm_accounts_service_user_system_set_version_id (settings->priv->user_system_proxy, + value); + g_debug ("GdmSessionSettings: setting system OS version for user to '%s'", value); + } + } +} + gboolean gdm_session_settings_save (GdmSessionSettings *settings, const char *username) { ActUser *user; g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE); g_return_val_if_fail (username != NULL, FALSE); g_return_val_if_fail (gdm_session_settings_is_loaded (settings), FALSE); user = act_user_manager_get_user (settings->priv->user_manager, username); if (!act_user_is_loaded (user)) { g_object_unref (user); return FALSE; } if (settings->priv->session_name != NULL) { act_user_set_session (user, settings->priv->session_name); } if (settings->priv->session_type != NULL) { act_user_set_session_type (user, settings->priv->session_type); } if (settings->priv->language_name != NULL) { act_user_set_language (user, settings->priv->language_name); } + + save_os_release (settings, user); + g_object_unref (user); return TRUE; } diff --git a/daemon/meson.build b/daemon/meson.build index 2e61b6447..71c650398 100644 --- a/daemon/meson.build +++ b/daemon/meson.build @@ -15,114 +15,122 @@ local_display_dbus_gen = gnome.gdbus_codegen('gdm-local-display-glue', 'gdm-local-display.xml', namespace: 'GdmDBus', interface_prefix: 'org.gnome.DisplayManager', autocleanup: 'all', ) local_display_factory_dbus_gen = gnome.gdbus_codegen('gdm-local-display-factory-glue', 'gdm-local-display-factory.xml', namespace: 'GdmDBus', interface_prefix: 'org.gnome.DisplayManager', autocleanup: 'all', ) manager_dbus_gen = gnome.gdbus_codegen('gdm-manager-glue', 'gdm-manager.xml', namespace: 'GdmDBus', interface_prefix: 'org.gnome.DisplayManager', autocleanup: 'all', ) session_dbus_gen = gnome.gdbus_codegen('gdm-session-glue', 'gdm-session.xml', namespace: 'GdmDBus', interface_prefix: 'org.gnome.DisplayManager', autocleanup: 'all', ) session_worker_dbus_gen = gnome.gdbus_codegen('gdm-session-worker-glue', 'gdm-session-worker.xml', namespace: 'GdmDBus', interface_prefix: 'org.gnome.DisplayManager', autocleanup: 'all', ) +accountsservice_system_user_dbus_gen = gnome.gdbus_codegen('com.redhat.AccountsServiceUser.System', + 'com.redhat.AccountsServiceUser.System.xml', + namespace: 'Gdm', + interface_prefix: 'com.redhat', + autocleanup: 'all', +) + gdm_session_enums = gnome.mkenums('gdm-session-enum-types', h_template: 'gdm-session-enum-types.h.in', c_template: 'gdm-session-enum-types.c.in', sources: 'gdm-session.h', ) gdm_session_worker_enums = gnome.mkenums('gdm-session-worker-enum-types', h_template: 'gdm-session-worker-enum-types.h.in', c_template: 'gdm-session-worker-enum-types.c.in', sources: 'gdm-session-worker.h', ) # Daemons deps gdm_daemon_deps = [ libgdmcommon_dep, accountsservice_dep, gobject_dep, gio_dep, gio_unix_dep, libpam_dep, x_deps, xcb_dep, ] if xdmcp_dep.found() and get_option('tcp-wrappers') gdm_daemon_deps += libwrap_dep endif # test-session-client test_session_client_src = [ 'test-session-client.c', session_dbus_gen, manager_dbus_gen, ] test_session_client = executable('test-session-client', test_session_client_src, dependencies: gdm_daemon_deps, include_directories: config_h_dir, ) # Session worker gdm_session_worker_src = [ 'session-worker-main.c', 'gdm-session.c', 'gdm-session-settings.c', 'gdm-session-auditor.c', 'gdm-session-record.c', 'gdm-session-worker.c', 'gdm-session-worker-job.c', 'gdm-session-worker-common.c', 'gdm-dbus-util.c', dbus_gen, session_dbus_gen, session_worker_dbus_gen, + accountsservice_system_user_dbus_gen, gdm_session_enums, gdm_session_worker_enums, ] gdm_session_worker_deps = [ gdm_daemon_deps, ] gdm_session_worker_includes = [ config_h_dir, ] if pam_extensions_supported gdm_session_worker_src += '../pam-extensions/gdm-pam-extensions.h' gdm_session_worker_includes += pam_extensions_inc endif if libaudit_dep.found() gdm_session_worker_deps += libaudit_dep gdm_session_worker_src += [ 'gdm-session-linux-auditor.c', ] endif if have_adt gdm_session_worker_src += 'gdm-session-solaris-auditor.c' endif gdm_session_worker = executable('gdm-session-worker', -- 2.31.1