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/* vi: set et sw=4 ts=4 cino=t0,(0: */
/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of gsignond
*
* Copyright (C) 2012 Intel Corporation.
*
* Contact: Amarnath Valluri <amarnath.valluri@linux.intel.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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "config.h"
#include <errno.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <glib-unix.h>
#include <glib.h>
#include <gio/gio.h>
#include "gsignond/gsignond-log.h"
#include "daemon/dbus/gsignond-dbus.h"
#include "daemon/dbus/gsignond-dbus-server.h"
static GSignondDbusServer *_server = NULL;
static guint _sig_source_id[3];
static void
_on_server_closed (gpointer data, GObject *server)
{
_server = NULL;
if (data) g_main_loop_quit ((GMainLoop *)data);
}
static gboolean
_handle_quit_signal (gpointer user_data)
{
GMainLoop *ml = (GMainLoop *) user_data;
g_return_val_if_fail (ml != NULL, FALSE);
DBG ("Received quit signal");
if (ml) g_main_loop_quit (ml);
return FALSE;
}
static gboolean
_handle_reload_signal (gpointer user_data)
{
GMainLoop *ml = (GMainLoop *) user_data;
DBG ("Received reload signal");
g_return_val_if_fail (ml != NULL, FALSE);
if (_server) {
g_object_weak_unref (G_OBJECT(_server), _on_server_closed, ml);
g_object_unref (_server);
DBG ("Restarting daemon ....");
_server = gsignond_dbus_server_new ();
g_object_weak_ref (G_OBJECT(_server), _on_server_closed, ml);
}
return TRUE;
}
static void
_install_sighandlers (GMainLoop *main_loop)
{
GSource *source = NULL;
GMainContext *ctx = g_main_loop_get_context (main_loop);
source = g_unix_signal_source_new (SIGHUP);
g_source_set_callback (source,
_handle_reload_signal,
main_loop,
NULL);
_sig_source_id[0] = g_source_attach (source, ctx);
source = g_unix_signal_source_new (SIGTERM);
g_source_set_callback (source,
_handle_quit_signal,
main_loop,
NULL);
_sig_source_id[1] = g_source_attach (source, ctx);
source = g_unix_signal_source_new (SIGINT);
g_source_set_callback (source,
_handle_quit_signal,
main_loop,
NULL);
_sig_source_id[2] = g_source_attach (source, ctx);
}
int main (int argc, char **argv)
{
GError *error = NULL;
GMainLoop *main_loop = NULL;
GOptionContext *opt_context = NULL;
GOptionEntry opt_entries[] = {
{NULL }
};
DBG ("before: real uid %d effective uid %d", getuid (), geteuid ());
if (setreuid (-1, getuid()))
WARN ("setreuid() failed");
DBG ("after: real uid %d effective uid %d", getuid (), geteuid ());
DBG ("before: real gid %d effective gid %d", getgid (), getegid ());
if (setregid (-1, getgid()))
WARN ("setregid() failed");
DBG ("after: real gid %d effective gid %d", getgid (), getegid ());
#if !GLIB_CHECK_VERSION (2, 36, 0)
g_type_init ();
#endif
#ifdef ENABLE_DEBUG
g_log_set_always_fatal (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL);
#endif
opt_context = g_option_context_new ("SSO daemon");
g_option_context_add_main_entries (opt_context, opt_entries, NULL);
if (!g_option_context_parse (opt_context, &argc, &argv, &error)) {
ERR ("Error parsing options: %s", error->message);
g_error_free (error);
return -1;
}
main_loop = g_main_loop_new (NULL, FALSE);
_server = gsignond_dbus_server_new ();
g_option_context_free (opt_context);
if (!_server) {
return -1;
}
g_object_weak_ref (G_OBJECT (_server), _on_server_closed, main_loop);
_install_sighandlers(main_loop);
#ifdef USE_P2P
INFO ("server started at : %s", gsignond_dbus_server_get_address (_server));
#endif
INFO ("Entering main event loop");
g_main_loop_run (main_loop);
if(_server) g_object_unref (_server);
if (main_loop) g_main_loop_unref (main_loop);
DBG("Clean shutdown");
return 0;
}
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