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/* vim:set et sts=4: */
/* ibus - The Input Bus
* Copyright (C) 2008-2009 Huang Peng <shawn.p.huang@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdlib.h>
#include <locale.h>
#include "server.h"
#include "ibusimpl.h"
gchar **g_argv = NULL;
static gboolean daemonize = FALSE;
static gboolean single = FALSE;
static gboolean xim = FALSE;
static gboolean replace = FALSE;
static gchar *panel = "default";
static gchar *config = "default";
static gchar *desktop = "gnome";
static gchar *address = "";
gboolean g_rescan = FALSE;
static gboolean verbose = FALSE;
static const GOptionEntry entries[] =
{
{ "daemonize", 'd', 0, G_OPTION_ARG_NONE, &daemonize, "run ibus as background process.", NULL },
{ "single", 's', 0, G_OPTION_ARG_NONE, &single, "do not execute panel and config module.", NULL },
{ "xim", 'x', 0, G_OPTION_ARG_NONE, &xim, "execute ibus XIM server.", NULL },
{ "desktop", 'n', 0, G_OPTION_ARG_STRING, &desktop, "specify the name of desktop session. [default=gnome]", "name" },
{ "panel", 'p', 0, G_OPTION_ARG_STRING, &panel, "specify the cmdline of panel program.", "cmdline" },
{ "config", 'c', 0, G_OPTION_ARG_STRING, &config, "specify the cmdline of config program.", "cmdline" },
{ "address", 'a', 0, G_OPTION_ARG_STRING, &address, "specify the address of ibus daemon.", "address" },
{ "replace", 'r', 0, G_OPTION_ARG_NONE, &replace, "if there is an old ibus-daemon is running, it will be replaced.", NULL },
{ "re-scan", 't', 0, G_OPTION_ARG_NONE, &g_rescan, "force to re-scan components, and re-create registry cache.", NULL },
{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "verbose.", NULL },
{ NULL },
};
static gboolean
execute_cmdline (const gchar *cmdline)
{
g_assert (cmdline);
gint argc;
gchar **argv;
gboolean retval;
GError *error;
error = NULL;
if (!g_shell_parse_argv (cmdline, &argc, &argv, &error)) {
g_warning ("Can not parse cmdline `%s` exec: %s", cmdline, error->message);
g_error_free (error);
return FALSE;
}
error = NULL;
retval = g_spawn_async (NULL, argv, NULL,
G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL,
NULL, NULL,
NULL, &error);
g_strfreev (argv);
if (!retval) {
g_warning ("Can not execute cmdline `%s`: %s", cmdline, error->message);
g_error_free (error);
return FALSE;
}
return TRUE;
}
#ifndef HAVE_DAEMON
void closeall(int fd)
{
int fdlimit = sysconf(_SC_OPEN_MAX);
while (fd < fdlimit)
close(fd++);
}
int daemon(int nochdir, int noclose)
{
switch (fork())
{
case 0: break;
case -1: return -1;
default: _exit(0);
}
if (setsid() < 0)
return -1;
switch (fork())
{
case 0: break;
case -1: return -1;
default: _exit(0);
}
if (!nochdir)
chdir("/");
if (!noclose)
{
closeall(0);
open("/dev/null",O_RDWR);
dup(0); dup(0);
}
return 0;
}
#endif
gint
main (gint argc, gchar **argv)
{
GOptionContext *context;
BusServer *server;
IBusBus *bus;
GError *error = NULL;
setlocale (LC_ALL, "");
context = g_option_context_new ("- ibus daemon");
g_option_context_add_main_entries (context, entries, "ibus-daemon");
g_argv = g_strdupv (argv);
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_printerr ("Option parsing failed: %s\n", error->message);
exit (-1);
}
/* check uid */
{
const gchar *username = ibus_get_user_name ();
uid_t uid = getuid ();
struct passwd *pwd = getpwuid (uid);
if (pwd == NULL || strcmp (pwd->pw_name, username) != 0) {
g_printerr ("Please run ibus-daemon with login user! Do not run ibus-daemon with sudo or su.\n");
exit (-1);
}
}
/* daemonize process */
if (daemonize) {
if (daemon (1, 0) != 0) {
g_printerr ("Can not daemonize ibus.\n");
exit (-1);
}
}
/* create a new process group */
setpgrp ();
g_type_init ();
/* check if ibus-daemon is running in this session */
bus = ibus_bus_new ();
if (ibus_bus_is_connected (bus)) {
if (!replace) {
g_printerr ("current session already has an ibus-daemon.\n");
exit (-1);
}
ibus_bus_exit (bus, FALSE);
while (ibus_bus_is_connected (bus)) {
g_main_context_iteration (NULL, TRUE);
}
}
g_object_unref (bus);
bus = NULL;
/* create ibus server */
server = bus_server_get_default ();
bus_server_listen (server);
if (!single) {
/* execute config component */
if (g_strcmp0 (config, "default") == 0) {
IBusComponent *component;
component = bus_registry_lookup_component_by_name (BUS_DEFAULT_REGISTRY, IBUS_SERVICE_CONFIG);
if (component == NULL || !ibus_component_start (component)) {
g_printerr ("Can not execute default config program\n");
exit (-1);
}
} else if (g_strcmp0 (config, "disable") != 0 && g_strcmp0 (config, "") != 0) {
if (!execute_cmdline (config))
exit (-1);
}
/* execut panel component */
if (g_strcmp0 (panel, "default") == 0) {
IBusComponent *component;
component = bus_registry_lookup_component_by_name (BUS_DEFAULT_REGISTRY, IBUS_SERVICE_PANEL);
if (component == NULL || !ibus_component_start (component)) {
g_printerr ("Can not execute default panel program\n");
exit (-1);
}
} else if (g_strcmp0 (panel, "disable") != 0 && g_strcmp0 (panel, "") != 0) {
if (!execute_cmdline (panel))
exit (-1);
}
}
/* execute ibus xim server */
if (xim) {
if (!execute_cmdline (LIBEXECDIR"/ibus-x11 --kill-daemon"))
exit (-1);
}
bus_server_run (server);
return 0;
}
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