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/*
* Copyright © 2001, 2002 Havoc Pennington
* Copyright © 2002 Red Hat, Inc.
* Copyright © 2002 Sun Microsystems
* Copyright © 2003 Mariano Suarez-Alvarez
* Copyright © 2008, 2010, 2011 Christian Persch
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <errno.h>
#include <locale.h>
#include <pthread.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include "terminal-app.hh"
#include "terminal-debug.hh"
#include "terminal-gdbus.hh"
#include "terminal-i18n.hh"
#include "terminal-defines.hh"
#include "terminal-libgsystem.hh"
static char *app_id = nullptr;
#define INACTIVITY_TIMEOUT (100 /* ms */)
static gboolean
option_app_id_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (!g_application_id_is_valid (value) ||
!g_dbus_is_name (value)) {
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"\"%s\" is not a valid application ID", value);
return FALSE;
}
g_free (app_id);
app_id = g_strdup (value);
return TRUE;
}
static const GOptionEntry options[] = {
{ "app-id", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (void*)option_app_id_cb, "Application ID", "ID" },
{ nullptr }
};
/* We use up to 8 FDs per terminal, so let's bump the limit way up.
* However we need to restore the original limit for the child processes.
*/
static struct rlimit sv_rlimit_nofile;
static void
atfork_child_restore_rlimit_nofile (void)
{
if (setrlimit (RLIMIT_NOFILE, &sv_rlimit_nofile) < 0)
_exit (127);
}
static gboolean
increase_rlimit_nofile (void)
{
struct rlimit l;
if (getrlimit (RLIMIT_NOFILE, &sv_rlimit_nofile) < 0)
return FALSE;
if (pthread_atfork (nullptr, nullptr, atfork_child_restore_rlimit_nofile) != 0)
return FALSE;
l.rlim_cur = l.rlim_max = sv_rlimit_nofile.rlim_max;
if (setrlimit (RLIMIT_NOFILE, &l) < 0)
return FALSE;
return TRUE;
}
static int
init_server (int argc,
char *argv[],
GApplication **application)
{
if (G_UNLIKELY ((getuid () != geteuid () ||
getgid () != getegid ()) &&
geteuid () == 0 &&
getegid () == 0)) {
g_printerr ("Wrong euid/egid, exiting.\n");
return _EXIT_FAILURE_WRONG_ID;
}
if (setlocale (LC_ALL, "") == nullptr) {
g_printerr ("Locale not supported.\n");
return _EXIT_FAILURE_UNSUPPORTED_LOCALE;
}
terminal_i18n_init (TRUE);
g_unsetenv ("CHARSET");
const char *charset;
if (!g_get_charset (&charset)) {
g_printerr ("Non UTF-8 locale (%s) is not supported!\n", charset);
return _EXIT_FAILURE_NO_UTF8;
}
/* Sanitise environment */
g_unsetenv ("DBUS_STARTER_BUS_TYPE");
/* Not interested in silly debug spew polluting the journal, bug #749195 */
if (g_getenv ("G_ENABLE_DIAGNOSTIC") == nullptr)
g_setenv ("G_ENABLE_DIAGNOSTIC", "0", TRUE);
_terminal_debug_init ();
/* Change directory to $HOME so we don't prevent unmounting, e.g. if the
* factory is started by nautilus-open-terminal. See bug #565328.
* On failure back to /.
*/
const char *home_dir = g_get_home_dir ();
if (home_dir == nullptr || chdir (home_dir) < 0)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result"
chdir ("/");
#pragma GCC diagnostic pop
g_set_prgname ("gnome-terminal-server");
g_set_application_name (_("Terminal"));
GError *error = nullptr;
if (!gtk_init_with_args (&argc, &argv, nullptr, options, nullptr, &error)) {
if (error != nullptr) {
g_printerr ("Failed to parse arguments: %s\n", error->message);
g_error_free (error);
}
return _EXIT_FAILURE_GTK_INIT;
}
if (!increase_rlimit_nofile ()) {
auto const errsv = errno;
g_printerr ("Failed to increase RLIMIT_NOFILE: %s\n", g_strerror(errsv));
}
/* Now we can create the app */
auto const app = terminal_app_new (app_id, G_APPLICATION_IS_SERVICE, nullptr);
g_free (app_id);
app_id = nullptr;
/* We stay around a bit after the last window closed */
g_application_set_inactivity_timeout (app, INACTIVITY_TIMEOUT);
*application = app;
return 0;
}
int
main (int argc,
char *argv[])
{
gs_unref_object GApplication *app = nullptr;
int r = init_server (argc, argv, &app);
if (r != 0)
return r;
/* Note that this flushes the D-Bus connection just before quitting,
* thus ensuring that all pending signal emissions (e.g. child-exited)
* are delivered.
*/
return g_application_run (app, 0, nullptr);
}
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