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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);
+}