/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2007 William Jon McCann * * 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. * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_SYS_PRCTL_H #include #endif #ifdef WITH_PLYMOUTH #include #endif #include #ifdef ENABLE_SYSTEMD_JOURNAL #include #endif #include #include #include #include /* for Display */ #include "gdm-common.h" #include "gdm-settings-direct.h" #include "gdm-settings-keys.h" #include "gdm-server.h" extern char **environ; #define MAX_LOGS 5 struct _GdmServer { GObject parent; char *command; GPid pid; gboolean disable_tcp; int priority; char *user_name; char *session_args; char *log_dir; char *display_name; char *display_device; char *display_seat_id; char *auth_file; guint child_watch_id; gboolean is_initial; }; enum { PROP_0, PROP_DISPLAY_NAME, PROP_DISPLAY_SEAT_ID, PROP_DISPLAY_DEVICE, PROP_AUTH_FILE, PROP_USER_NAME, PROP_DISABLE_TCP, PROP_IS_INITIAL, }; enum { READY, EXITED, DIED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0, }; static void gdm_server_class_init (GdmServerClass *klass); static void gdm_server_init (GdmServer *server); static void gdm_server_finalize (GObject *object); G_DEFINE_TYPE (GdmServer, gdm_server, G_TYPE_OBJECT) char * gdm_server_get_display_device (GdmServer *server) { /* systemd finds the display device out on its own based on the display */ return NULL; } static void gdm_server_ready (GdmServer *server) { g_debug ("GdmServer: Got USR1 from X server - emitting READY"); gdm_run_script (GDMCONFDIR "/Init", GDM_USERNAME, server->display_name, NULL, /* hostname */ server->auth_file); g_signal_emit (server, signals[READY], 0); } static GSList *active_servers; static gboolean sigusr1_thread_running; static GCond sigusr1_thread_cond; static GMutex sigusr1_thread_mutex; static gboolean got_sigusr1 (gpointer user_data) { GPid pid = GPOINTER_TO_UINT (user_data); GSList *l; g_debug ("GdmServer: got SIGUSR1 from PID %d", pid); for (l = active_servers; l; l = l->next) { GdmServer *server = l->data; if (server->pid == pid) gdm_server_ready (server); } return G_SOURCE_REMOVE; } static gpointer sigusr1_thread_main (gpointer user_data) { sigset_t sigusr1_mask; /* Handle only SIGUSR1 */ sigemptyset (&sigusr1_mask); sigaddset (&sigusr1_mask, SIGUSR1); sigprocmask (SIG_SETMASK, &sigusr1_mask, NULL); g_mutex_lock (&sigusr1_thread_mutex); sigusr1_thread_running = TRUE; g_cond_signal (&sigusr1_thread_cond); g_mutex_unlock (&sigusr1_thread_mutex); /* Spin waiting for a SIGUSR1 */ while (TRUE) { siginfo_t info; if (sigwaitinfo (&sigusr1_mask, &info) == -1) continue; g_idle_add (got_sigusr1, GUINT_TO_POINTER (info.si_pid)); } return NULL; } static void gdm_server_launch_sigusr1_thread_if_needed (void) { static GThread *sigusr1_thread; if (sigusr1_thread == NULL) { sigusr1_thread = g_thread_new ("gdm SIGUSR1 catcher", sigusr1_thread_main, NULL); g_mutex_lock (&sigusr1_thread_mutex); while (!sigusr1_thread_running) g_cond_wait (&sigusr1_thread_cond, &sigusr1_thread_mutex); g_mutex_unlock (&sigusr1_thread_mutex); } } static void gdm_server_init_command (GdmServer *server) { gboolean debug = FALSE; const char *debug_options; const char *verbosity = ""; if (server->command != NULL) { return; } gdm_settings_direct_get_boolean (GDM_KEY_DEBUG, &debug); if (debug) { debug_options = " -logverbose 7 -core "; } else { debug_options = ""; } #define X_SERVER_ARG_FORMAT " -background none -noreset -verbose %s%s" /* This is a temporary hack to work around the fact that XOrg * currently lacks support for multi-seat hotplugging for * display devices. This bit should be removed as soon as XOrg * gains native support for automatically enumerating usb * based graphics adapters at start-up via udev. */ /* systemd ships an X server wrapper tool which simply invokes * the usual X but ensures it only uses the display devices of * the seat. */ /* We do not rely on this wrapper server if, a) the machine * wasn't booted using systemd, or b) the wrapper tool is * missing, or c) we are running for the main seat 'seat0'. */ #ifdef ENABLE_SYSTEMD_JOURNAL /* For systemd, we don't have a log file but instead log to stdout, so set it to the xserver's built-in default verbosity */ if (debug) verbosity = "7 -logfile /dev/null"; else verbosity = "3 -logfile /dev/null"; #endif if (g_access (SYSTEMD_X_SERVER, X_OK) < 0) { goto fallback; } if (server->display_seat_id == NULL || strcmp (server->display_seat_id, "seat0") == 0) { goto fallback; } server->command = g_strdup_printf (SYSTEMD_X_SERVER X_SERVER_ARG_FORMAT, verbosity, debug_options); return; fallback: server->command = g_strdup_printf (X_SERVER X_SERVER_ARG_FORMAT, verbosity, debug_options); } static gboolean gdm_server_resolve_command_line (GdmServer *server, const char *vtarg, int *argcp, char ***argvp) { int argc; char **argv; int len; int i; gboolean gotvtarg = FALSE; gboolean query_in_arglist = FALSE; gdm_server_init_command (server); g_shell_parse_argv (server->command, &argc, &argv, NULL); for (len = 0; argv != NULL && argv[len] != NULL; len++) { char *arg = argv[len]; /* HACK! Not to add vt argument to servers that already force * allocation. Mostly for backwards compat only */ if (strncmp (arg, "vt", 2) == 0 && isdigit (arg[2]) && (arg[3] == '\0' || (isdigit (arg[3]) && arg[4] == '\0'))) gotvtarg = TRUE; if (strcmp (arg, "-query") == 0 || strcmp (arg, "-indirect") == 0) query_in_arglist = TRUE; } argv = g_renew (char *, argv, len + 12); /* shift args down one */ for (i = len - 1; i >= 1; i--) { argv[i+1] = argv[i]; } /* server number is the FIRST argument, before any others */ argv[1] = g_strdup (server->display_name); len++; if (server->auth_file != NULL) { argv[len++] = g_strdup ("-auth"); argv[len++] = g_strdup (server->auth_file); } if (server->display_seat_id != NULL) { argv[len++] = g_strdup ("-seat"); argv[len++] = g_strdup (server->display_seat_id); } /* If we were compiled with Xserver >= 1.17 we need to specify * '-listen tcp' as the X server dosen't listen on tcp sockets * by default anymore. In older versions we need to pass * -nolisten tcp to disable listening on tcp sockets. */ if (!query_in_arglist) { if (server->disable_tcp) { argv[len++] = g_strdup ("-nolisten"); argv[len++] = g_strdup ("tcp"); } #ifdef HAVE_XSERVER_WITH_LISTEN if (!server->disable_tcp) { argv[len++] = g_strdup ("-listen"); argv[len++] = g_strdup ("tcp"); } #endif } if (vtarg != NULL && ! gotvtarg) { argv[len++] = g_strdup (vtarg); } argv[len++] = NULL; *argvp = argv; *argcp = len; return TRUE; } static void rotate_logs (const char *path, guint n_copies) { int i; for (i = n_copies - 1; i > 0; i--) { char *name_n; char *name_n1; name_n = g_strdup_printf ("%s.%d", path, i); if (i > 1) { name_n1 = g_strdup_printf ("%s.%d", path, i - 1); } else { name_n1 = g_strdup (path); } VE_IGNORE_EINTR (g_unlink (name_n)); VE_IGNORE_EINTR (g_rename (name_n1, name_n)); g_free (name_n1); g_free (name_n); } VE_IGNORE_EINTR (g_unlink (path)); } static void change_user (GdmServer *server) { struct passwd *pwent; if (server->user_name == NULL) { return; } gdm_get_pwent_for_name (server->user_name, &pwent); if (pwent == NULL) { g_warning (_("Server was to be spawned by user %s but that user doesn’t exist"), server->user_name); _exit (EXIT_FAILURE); } g_debug ("GdmServer: Changing (uid:gid) for child process to (%d:%d)", pwent->pw_uid, pwent->pw_gid); if (pwent->pw_uid != 0) { if (setgid (pwent->pw_gid) < 0) { g_warning (_("Couldn’t set groupid to %d"), pwent->pw_gid); _exit (EXIT_FAILURE); } if (initgroups (pwent->pw_name, pwent->pw_gid) < 0) { g_warning (_("initgroups () failed for %s"), pwent->pw_name); _exit (EXIT_FAILURE); } if (setuid (pwent->pw_uid) < 0) { g_warning (_("Couldn’t set userid to %d"), (int)pwent->pw_uid); _exit (EXIT_FAILURE); } } else { gid_t groups[1] = { 0 }; if (setgid (0) < 0) { g_warning (_("Couldn’t set groupid to %d"), 0); /* Don't error out, it's not fatal, if it fails we'll * just still be */ } /* this will get rid of any suplementary groups etc... */ setgroups (1, groups); } } static gboolean gdm_server_setup_journal_fds (GdmServer *server) { #ifdef ENABLE_SYSTEMD_JOURNAL if (sd_booted () > 0) { int out, err; const char *prefix = "gdm-Xorg-"; char *identifier; gsize size; size = strlen (prefix) + strlen (server->display_name) + 1; identifier = g_alloca (size); strcpy (identifier, prefix); strcat (identifier, server->display_name); identifier[size - 1] = '\0'; out = sd_journal_stream_fd (identifier, LOG_INFO, FALSE); if (out < 0) return FALSE; err = sd_journal_stream_fd (identifier, LOG_WARNING, FALSE); if (err < 0) { close (out); return FALSE; } VE_IGNORE_EINTR (dup2 (out, 1)); VE_IGNORE_EINTR (dup2 (err, 2)); return TRUE; } #endif return FALSE; } static void gdm_server_setup_logfile (GdmServer *server) { int logfd; char *log_file; char *log_path; log_file = g_strdup_printf ("%s.log", server->display_name); log_path = g_build_filename (server->log_dir, log_file, NULL); g_free (log_file); /* Rotate the X server logs */ rotate_logs (log_path, MAX_LOGS); g_debug ("GdmServer: Opening logfile for server %s", log_path); VE_IGNORE_EINTR (g_unlink (log_path)); VE_IGNORE_EINTR (logfd = open (log_path, O_CREAT|O_APPEND|O_TRUNC|O_WRONLY|O_EXCL, 0644)); g_free (log_path); if (logfd != -1) { VE_IGNORE_EINTR (dup2 (logfd, 1)); VE_IGNORE_EINTR (dup2 (logfd, 2)); close (logfd); } else { g_warning (_("%s: Could not open log file for display %s!"), "gdm_server_spawn", server->display_name); } } static void server_child_setup (GdmServer *server) { struct sigaction ign_signal; sigset_t mask; if (!gdm_server_setup_journal_fds(server)) gdm_server_setup_logfile(server); /* The X server expects USR1/TTIN/TTOU to be SIG_IGN */ ign_signal.sa_handler = SIG_IGN; ign_signal.sa_flags = SA_RESTART; sigemptyset (&ign_signal.sa_mask); if (sigaction (SIGUSR1, &ign_signal, NULL) < 0) { g_warning (_("%s: Error setting %s to %s"), "gdm_server_spawn", "USR1", "SIG_IGN"); _exit (EXIT_FAILURE); } if (sigaction (SIGTTIN, &ign_signal, NULL) < 0) { g_warning (_("%s: Error setting %s to %s"), "gdm_server_spawn", "TTIN", "SIG_IGN"); _exit (EXIT_FAILURE); } if (sigaction (SIGTTOU, &ign_signal, NULL) < 0) { g_warning (_("%s: Error setting %s to %s"), "gdm_server_spawn", "TTOU", "SIG_IGN"); _exit (EXIT_FAILURE); } /* And HUP and TERM are at SIG_DFL from gdm_unset_signals, we also have an empty mask and all that fun stuff */ /* unblock signals (especially HUP/TERM/USR1) so that we * can control the X server */ sigemptyset (&mask); sigprocmask (SIG_SETMASK, &mask, NULL); /* Terminate the process when the parent dies */ #ifdef HAVE_SYS_PRCTL_H prctl (PR_SET_PDEATHSIG, SIGTERM); #endif if (server->priority != 0) { if (setpriority (PRIO_PROCESS, 0, server->priority)) { g_warning (_("%s: Server priority couldn’t be set to %d: %s"), "gdm_server_spawn", server->priority, g_strerror (errno)); } } setpgid (0, 0); change_user (server); } static void listify_hash (const char *key, const char *value, GPtrArray *env) { char *str; str = g_strdup_printf ("%s=%s", key, value); g_ptr_array_add (env, str); } static GPtrArray * get_server_environment (GdmServer *server) { GPtrArray *env; char **l; GHashTable *hash; env = g_ptr_array_new (); /* create a hash table of current environment, then update keys has necessary */ hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); for (l = environ; *l != NULL; l++) { char **str; str = g_strsplit (*l, "=", 2); g_hash_table_insert (hash, str[0], str[1]); g_free (str); } /* modify environment here */ g_hash_table_insert (hash, g_strdup ("DISPLAY"), g_strdup (server->display_name)); if (server->user_name != NULL) { struct passwd *pwent; gdm_get_pwent_for_name (server->user_name, &pwent); if (pwent->pw_dir != NULL && g_file_test (pwent->pw_dir, G_FILE_TEST_EXISTS)) { g_hash_table_insert (hash, g_strdup ("HOME"), g_strdup (pwent->pw_dir)); } else { /* Hack */ g_hash_table_insert (hash, g_strdup ("HOME"), g_strdup ("/")); } g_hash_table_insert (hash, g_strdup ("SHELL"), g_strdup (pwent->pw_shell)); g_hash_table_remove (hash, "MAIL"); } g_hash_table_foreach (hash, (GHFunc)listify_hash, env); g_hash_table_destroy (hash); g_ptr_array_add (env, NULL); return env; } static void server_add_xserver_args (GdmServer *server, int *argc, char ***argv) { int count; char **args; int len; int i; len = *argc; g_shell_parse_argv (server->session_args, &count, &args, NULL); *argv = g_renew (char *, *argv, len + count + 1); for (i=0; i < count;i++) { *argv[len++] = g_strdup (args[i]); } *argc += count; argv[len] = NULL; g_strfreev (args); } static void server_child_watch (GPid pid, int status, GdmServer *server) { g_debug ("GdmServer: child (pid:%d) done (%s:%d)", (int) pid, WIFEXITED (status) ? "status" : WIFSIGNALED (status) ? "signal" : "unknown", WIFEXITED (status) ? WEXITSTATUS (status) : WIFSIGNALED (status) ? WTERMSIG (status) : -1); g_object_ref (server); if (WIFEXITED (status)) { int code = WEXITSTATUS (status); g_signal_emit (server, signals [EXITED], 0, code); } else if (WIFSIGNALED (status)) { int num = WTERMSIG (status); g_signal_emit (server, signals [DIED], 0, num); } g_spawn_close_pid (server->pid); server->pid = -1; g_object_unref (server); } static void prune_active_servers_list (GdmServer *server) { active_servers = g_slist_remove (active_servers, server); } static gboolean gdm_server_spawn (GdmServer *server, const char *vtarg, GError **error) { int argc; gchar **argv = NULL; GPtrArray *env = NULL; gboolean ret = FALSE; char *freeme; /* Figure out the server command */ argv = NULL; argc = 0; gdm_server_resolve_command_line (server, vtarg, &argc, &argv); if (server->session_args) { server_add_xserver_args (server, &argc, &argv); } if (argv[0] == NULL) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("%s: Empty server command for display %s"), "gdm_server_spawn", server->display_name); goto out; } env = get_server_environment (server); freeme = g_strjoinv (" ", argv); g_debug ("GdmServer: Starting X server process: %s", freeme); g_free (freeme); active_servers = g_slist_append (active_servers, server); g_object_weak_ref (G_OBJECT (server), (GWeakNotify) prune_active_servers_list, server); gdm_server_launch_sigusr1_thread_if_needed (); if (!g_spawn_async_with_pipes (NULL, argv, (char **)env->pdata, G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD, (GSpawnChildSetupFunc)server_child_setup, server, &server->pid, NULL, NULL, NULL, error)) goto out; g_debug ("GdmServer: Started X server process %d - waiting for READY", (int)server->pid); server->child_watch_id = g_child_watch_add (server->pid, (GChildWatchFunc)server_child_watch, server); ret = TRUE; out: g_strfreev (argv); if (env) { g_ptr_array_foreach (env, (GFunc)g_free, NULL); g_ptr_array_free (env, TRUE); } return ret; } /** * gdm_server_start: * @disp: Pointer to a GdmDisplay structure * * Starts a local X server. Handles retries and fatal errors properly. */ gboolean gdm_server_start (GdmServer *server) { gboolean res = FALSE; const char *vtarg = NULL; GError *local_error = NULL; GError **error = &local_error; /* Hardcode the VT for the initial X server, but nothing else */ if (server->is_initial) { vtarg = "vt" G_STRINGIFY (GDM_INITIAL_VT); } /* fork X server process */ if (!gdm_server_spawn (server, vtarg, error)) { goto out; } res = TRUE; out: if (local_error) { g_printerr ("%s\n", local_error->message); g_clear_error (&local_error); } return res; } static void server_died (GdmServer *server) { int exit_status; g_debug ("GdmServer: Waiting on process %d", server->pid); exit_status = gdm_wait_on_pid (server->pid); if (WIFEXITED (exit_status) && (WEXITSTATUS (exit_status) != 0)) { g_debug ("GdmServer: Wait on child process failed"); } else { /* exited normally */ } g_spawn_close_pid (server->pid); server->pid = -1; if (server->display_device != NULL) { g_free (server->display_device); server->display_device = NULL; g_object_notify (G_OBJECT (server), "display-device"); } g_debug ("GdmServer: Server died"); } gboolean gdm_server_stop (GdmServer *server) { int res; if (server->pid <= 1) { return TRUE; } /* remove watch source before we can wait on child */ if (server->child_watch_id > 0) { g_source_remove (server->child_watch_id); server->child_watch_id = 0; } g_debug ("GdmServer: Stopping server"); res = gdm_signal_pid (server->pid, SIGTERM); if (res < 0) { } else { server_died (server); } return TRUE; } static void _gdm_server_set_display_name (GdmServer *server, const char *name) { g_free (server->display_name); server->display_name = g_strdup (name); } static void _gdm_server_set_display_seat_id (GdmServer *server, const char *name) { g_free (server->display_seat_id); server->display_seat_id = g_strdup (name); } static void _gdm_server_set_auth_file (GdmServer *server, const char *auth_file) { g_free (server->auth_file); server->auth_file = g_strdup (auth_file); } static void _gdm_server_set_user_name (GdmServer *server, const char *name) { g_free (server->user_name); server->user_name = g_strdup (name); } static void _gdm_server_set_disable_tcp (GdmServer *server, gboolean disabled) { server->disable_tcp = disabled; } static void _gdm_server_set_is_initial (GdmServer *server, gboolean initial) { server->is_initial = initial; } static void gdm_server_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GdmServer *self; self = GDM_SERVER (object); switch (prop_id) { case PROP_DISPLAY_NAME: _gdm_server_set_display_name (self, g_value_get_string (value)); break; case PROP_DISPLAY_SEAT_ID: _gdm_server_set_display_seat_id (self, g_value_get_string (value)); break; case PROP_AUTH_FILE: _gdm_server_set_auth_file (self, g_value_get_string (value)); break; case PROP_USER_NAME: _gdm_server_set_user_name (self, g_value_get_string (value)); break; case PROP_DISABLE_TCP: _gdm_server_set_disable_tcp (self, g_value_get_boolean (value)); break; case PROP_IS_INITIAL: _gdm_server_set_is_initial (self, g_value_get_boolean (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_server_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GdmServer *self; self = GDM_SERVER (object); switch (prop_id) { case PROP_DISPLAY_NAME: g_value_set_string (value, self->display_name); break; case PROP_DISPLAY_SEAT_ID: g_value_set_string (value, self->display_seat_id); break; case PROP_DISPLAY_DEVICE: g_value_take_string (value, gdm_server_get_display_device (self)); break; case PROP_AUTH_FILE: g_value_set_string (value, self->auth_file); break; case PROP_USER_NAME: g_value_set_string (value, self->user_name); break; case PROP_DISABLE_TCP: g_value_set_boolean (value, self->disable_tcp); break; case PROP_IS_INITIAL: g_value_set_boolean (value, self->is_initial); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_server_class_init (GdmServerClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->get_property = gdm_server_get_property; object_class->set_property = gdm_server_set_property; object_class->finalize = gdm_server_finalize; signals [READY] = g_signal_new ("ready", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals [EXITED] = g_signal_new ("exited", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals [DIED] = g_signal_new ("died", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); g_object_class_install_property (object_class, PROP_DISPLAY_NAME, g_param_spec_string ("display-name", "name", "name", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_DISPLAY_SEAT_ID, g_param_spec_string ("display-seat-id", "Seat ID", "ID of the seat this display is running on", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_DISPLAY_DEVICE, g_param_spec_string ("display-device", "Display Device", "Path to terminal display is running on", NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_AUTH_FILE, g_param_spec_string ("auth-file", "Authorization File", "Path to X authorization file", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_USER_NAME, g_param_spec_string ("user-name", "user name", "user name", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_DISABLE_TCP, g_param_spec_boolean ("disable-tcp", NULL, NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_IS_INITIAL, g_param_spec_boolean ("is-initial", NULL, NULL, FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); } static void gdm_server_init (GdmServer *server) { server->pid = -1; server->log_dir = g_strdup (LOGDIR); } static void gdm_server_finalize (GObject *object) { GdmServer *server; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_SERVER (object)); server = GDM_SERVER (object); gdm_server_stop (server); g_free (server->command); g_free (server->user_name); g_free (server->session_args); g_free (server->log_dir); g_free (server->display_name); g_free (server->display_seat_id); g_free (server->display_device); g_free (server->auth_file); G_OBJECT_CLASS (gdm_server_parent_class)->finalize (object); } GdmServer * gdm_server_new (const char *display_name, const char *seat_id, const char *auth_file, gboolean initial) { GObject *object; object = g_object_new (GDM_TYPE_SERVER, "display-name", display_name, "display-seat-id", seat_id, "auth-file", auth_file, "is-initial", initial, NULL); return GDM_SERVER (object); }