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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
*
* 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 <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <ctype.h>
#include <pwd.h>
#include <grp.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
#ifdef WITH_PLYMOUTH
#include <linux/vt.h>
#endif
#include <systemd/sd-daemon.h>
#ifdef ENABLE_SYSTEMD_JOURNAL
#include <systemd/sd-journal.h>
#endif
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#ifdef ENABLE_X11_SUPPORT
#include <X11/Xlib.h> /* for Display */
#endif
#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 log to stdout (which is the Journal),
so set it to the same verbosity we use for -logverbose.
In Debian we want to log to Xorg.N.log in addition,
so we do not turn that off like GNOME upstream do. */
if (debug)
verbosity = "7";
else
verbosity = "3";
#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);
if (!g_shell_parse_argv (server->command, &argc, &argv, NULL))
return FALSE;
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;
g_autofree char *identifier = NULL;
identifier = g_strdup_printf("gdm-Xorg-%s", server->display_name);
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;
if (!gdm_server_resolve_command_line (server,
vtarg,
&argc,
&argv)) {
return FALSE;
}
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;
g_return_val_if_fail (GDM_IS_SERVER (server), FALSE);
/* 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;
g_return_val_if_fail (GDM_IS_SERVER (server), FALSE);
if (server->pid <= 1) {
return TRUE;
}
/* remove watch source before we can wait on child */
g_clear_handle_id (&server->child_watch_id, g_source_remove);
g_debug ("GdmServer: Stopping server");
res = gdm_signal_pid (server->pid, SIGTERM);
if (res >= 0) {
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);
}
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