diff options
Diffstat (limited to 'src/daemon.c')
| -rw-r--r-- | src/daemon.c | 173 |
1 files changed, 154 insertions, 19 deletions
diff --git a/src/daemon.c b/src/daemon.c index f6e19ac..447893b 100644 --- a/src/daemon.c +++ b/src/daemon.c @@ -55,6 +55,7 @@ #define PATH_PASSWD "passwd" #define PATH_SHADOW "shadow" #define PATH_GROUP "/etc/group" +#define PATH_DM "/etc/systemd/system/display-manager.service" enum { @@ -62,6 +63,13 @@ enum PROP_DAEMON_VERSION }; +typedef enum +{ + DISPLAY_MANAGER_TYPE_NONE = -1, + DISPLAY_MANAGER_TYPE_GDM, + DISPLAY_MANAGER_TYPE_LIGHTDM +} DisplayManagerType; + typedef struct { GDBusConnection *bus_connection; @@ -75,7 +83,7 @@ typedef struct GFileMonitor *passwd_monitor; GFileMonitor *shadow_monitor; GFileMonitor *group_monitor; - GFileMonitor *gdm_monitor; + GFileMonitor *dm_monitor; GFileMonitor *wtmp_monitor; GQueue *pending_list_cached_users; @@ -161,6 +169,29 @@ error_get_type (void) #define MAX_LOCAL_USERS 50 #endif +/* Get current system Display Manager type */ +static DisplayManagerType +get_current_system_dm_type (void) +{ + g_autofree gchar *link_target = NULL; + g_autofree gchar *basename = NULL; + GFile *file; + + link_target = g_file_read_link (PATH_DM, NULL); + if (link_target) { + file = g_file_new_for_path (link_target); + basename = g_file_get_basename (file); + g_object_unref (file); + + if (g_strcmp0 (basename, "lightdm.service") == 0) + return DISPLAY_MANAGER_TYPE_LIGHTDM; + else if (g_strcmp0 (basename, "gdm.service") == 0) + return DISPLAY_MANAGER_TYPE_GDM; + } + + return DISPLAY_MANAGER_TYPE_NONE; +} + static void remove_cache_files (const gchar *user_name) { @@ -606,7 +637,7 @@ reload_autologin_timeout (Daemon *daemon) priv->autologin_id = 0; if (!load_autologin (daemon, &name, &enabled, &error)) { - g_debug ("failed to load gdms custom.conf: %s", error->message); + g_debug ("failed to load autologin conf file: %s", error->message); return FALSE; } @@ -715,11 +746,11 @@ on_users_monitor_changed (GFileMonitor *monitor, } static void -on_gdm_monitor_changed (GFileMonitor *monitor, - GFile *file, - GFile *other_file, - GFileMonitorEvent event_type, - Daemon *daemon) +on_dm_monitor_changed (GFileMonitor *monitor, + GFile *file, + GFile *other_file, + GFileMonitorEvent event_type, + Daemon *daemon) { if (event_type != G_FILE_MONITOR_EVENT_CHANGED && event_type != G_FILE_MONITOR_EVENT_CREATED) { @@ -772,6 +803,8 @@ daemon_init (Daemon *daemon) DaemonPrivate *priv = daemon_get_instance_private (daemon); g_autofree char *shadow_path = NULL; g_autofree char *passwd_path = NULL; + g_autofree char *dm_path = NULL; + DisplayManagerType dm_type; priv->extension_ifaces = daemon_read_extension_ifaces (); @@ -795,9 +828,16 @@ daemon_init (Daemon *daemon) wtmp_helper_get_path_for_monitor (), on_users_monitor_changed); - priv->gdm_monitor = setup_monitor (daemon, - PATH_GDM_CUSTOM, - on_gdm_monitor_changed); + dm_type = get_current_system_dm_type (); + if (dm_type == DISPLAY_MANAGER_TYPE_LIGHTDM) + dm_path = g_strdup (PATH_LIGHTDM_CONF); + else if (dm_type == DISPLAY_MANAGER_TYPE_GDM) + dm_path = g_strdup (PATH_GDM_CUSTOM); + + priv->dm_monitor = setup_monitor (daemon, + dm_path, + on_dm_monitor_changed); + reload_users_timeout (daemon); queue_reload_autologin (daemon); } @@ -1643,11 +1683,11 @@ daemon_local_check_auth (Daemon *daemon, g_object_unref (subject); } -gboolean -load_autologin (Daemon *daemon, - gchar **name, - gboolean *enabled, - GError **error) +static gboolean +load_autologin_gdm (Daemon *daemon, + gchar **name, + gboolean *enabled, + GError **error) { g_autoptr (GKeyFile) keyfile = NULL; GError *local_error = NULL; @@ -1682,10 +1722,57 @@ load_autologin (Daemon *daemon, } static gboolean -save_autologin (Daemon *daemon, - const gchar *name, - gboolean enabled, - GError **error) +load_autologin_lightdm (Daemon *daemon, + gchar **name, + gboolean *enabled, + GError **error) +{ + g_autoptr (GKeyFile) keyfile = NULL; + GError *local_error = NULL; + + keyfile = g_key_file_new (); + if (!g_key_file_load_from_file (keyfile, + PATH_LIGHTDM_CONF, + G_KEY_FILE_KEEP_COMMENTS, + error)) { + return FALSE; + } + + *name = g_key_file_get_string (keyfile, "SeatDefaults", "autologin-user", &local_error); + if (local_error) { + g_propagate_error (error, local_error); + return FALSE; + } + + *enabled = ((*name) && (*name)[0] != 0); + + return TRUE; +} + +gboolean +load_autologin (Daemon *daemon, + gchar **name, + gboolean *enabled, + GError **error) +{ + DisplayManagerType dm_type; + + dm_type = get_current_system_dm_type (); + if (dm_type == DISPLAY_MANAGER_TYPE_LIGHTDM) + return load_autologin_lightdm (daemon, name, enabled, error); + else if (dm_type == DISPLAY_MANAGER_TYPE_GDM) + return load_autologin_gdm (daemon, name, enabled, error); + + g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, _ ("Unsupported Display Manager")); + + return FALSE; +} + +static gboolean +save_autologin_gdm (Daemon *daemon, + const gchar *name, + gboolean enabled, + GError **error) { g_autoptr (GKeyFile) keyfile = NULL; g_autofree gchar *data = NULL; @@ -1713,6 +1800,54 @@ save_autologin (Daemon *daemon, return result; } +static gboolean +save_autologin_lightdm (Daemon *daemon, + const gchar *name, + gboolean enabled, + GError **error) +{ + g_autoptr (GKeyFile) keyfile = NULL; + g_autofree gchar *data = NULL; + gboolean result; + g_autoptr (GError) local_error = NULL; + + keyfile = g_key_file_new (); + if (!g_key_file_load_from_file (keyfile, + PATH_LIGHTDM_CONF, + G_KEY_FILE_KEEP_COMMENTS, + &local_error)) { + /* It's OK for lightdm.conf to not exist, we will make it */ + if (!g_error_matches (local_error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) { + g_propagate_error (error, g_steal_pointer (&local_error)); + return FALSE; + } + } + + g_key_file_set_string (keyfile, "SeatDefaults", "autologin-user", enabled ? name : ""); + + data = g_key_file_to_data (keyfile, NULL, NULL); + result = g_file_set_contents (PATH_LIGHTDM_CONF, data, -1, error); + + return result; +} + +static gboolean +save_autologin (Daemon *daemon, + const gchar *name, + gboolean enabled, + GError **error) +{ + DisplayManagerType dm_type; + + dm_type = get_current_system_dm_type (); + if (dm_type == DISPLAY_MANAGER_TYPE_LIGHTDM) + return save_autologin_lightdm (daemon, name, enabled, error); + else if (dm_type == DISPLAY_MANAGER_TYPE_GDM) + return save_autologin_gdm (daemon, name, enabled, error); + + return FALSE; +} + gboolean daemon_local_set_automatic_login (Daemon *daemon, User *user, |