data/icons/tree_dialog.png

/* X-Chat
 * Copyright (C) 1998 Peter Zelezny.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>

#define WANTSOCKET
#include "inet.h"

#ifdef WIN32
#include <windows.h>
#else
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#endif

#include "hexchat.h"
#include "fe.h"
#include "util.h"
#include "cfgfiles.h"
#include "chanopt.h"
#include "ignore.h"
#include "hexchat-plugin.h"
#include "plugin.h"
#include "plugin-timer.h"
#include "notify.h"
#include "server.h"
#include "servlist.h"
#include "outbound.h"
#include "text.h"
#include "url.h"
#include "hexchatc.h"

#ifdef USE_OPENSSL
#include <openssl/ssl.h>		  /* SSL_() */
#include "ssl.h"
#endif

#ifdef USE_MSPROXY
#include "msproxy.h"
#endif

#ifdef USE_LIBPROXY
#include <proxy.h>
#endif

GSList *popup_list = 0;
GSList *button_list = 0;
GSList *dlgbutton_list = 0;
GSList *command_list = 0;
GSList *ctcp_list = 0;
GSList *replace_list = 0;
GSList *sess_list = 0;
GSList *dcc_list = 0;
GSList *ignore_list = 0;
GSList *usermenu_list = 0;
GSList *urlhandler_list = 0;
GSList *tabmenu_list = 0;

static int in_hexchat_exit = FALSE;
int hexchat_is_quitting = FALSE;
/* command-line args */
int arg_dont_autoconnect = FALSE;
int arg_skip_plugins = FALSE;
char *arg_url = NULL;
char *arg_command = NULL;
gint arg_existing = FALSE;

#ifdef USE_DBUS
#include "dbus/dbus-client.h"
#include "dbus/dbus-plugin.h"
#endif /* USE_DBUS */

struct session *current_tab;
struct session *current_sess = 0;
struct hexchatprefs prefs;

#ifdef USE_OPENSSL
SSL_CTX *ctx = NULL;
#endif

#ifdef USE_LIBPROXY
pxProxyFactory *libproxy_factory;
#endif

int
is_session (session * sess)
{
	return g_slist_find (sess_list, sess) ? 1 : 0;
}

session *
find_dialog (server *serv, char *nick)
{
	GSList *list = sess_list;
	session *sess;

	while (list)
	{
		sess = list->data;
		if (sess->server == serv && sess->type == SESS_DIALOG)
		{
			if (!serv->p_cmp (nick, sess->channel))
				return (sess);
		}
		list = list->next;
	}
	return 0;
}

session *
find_channel (server *serv, char *chan)
{
	session *sess;
	GSList *list = sess_list;
	while (list)
	{
		sess = list->data;
		if ((!serv || serv == sess->server) && sess->type != SESS_DIALOG)
		{
			if (!serv->p_cmp (chan, sess->channel))
				return sess;
		}
		list = list->next;
	}
	return 0;
}

static void
lagcheck_update (void)
{
	server *serv;
	GSList *list = serv_list;
	
	if (!prefs.hex_gui_lagometer)
		return;

	while (list)
	{
		serv = list->data;
		if (serv->lag_sent)
			fe_set_lag (serv, -1);

		list = list->next;
	}
}

void
lag_check (void)
{
	server *serv;
	GSList *list = serv_list;
	unsigned long tim;
	char tbuf[128];
	time_t now = time (0);
	int lag;

	tim = make_ping_time ();

	while (list)
	{
		serv = list->data;
		if (serv->connected && serv->end_of_motd)
		{
			lag = now - serv->ping_recv;
			if (prefs.hex_net_ping_timeout && lag > prefs.hex_net_ping_timeout && lag > 0)
			{
				sprintf (tbuf, "%d", lag);
				EMIT_SIGNAL (XP_TE_PINGTIMEOUT, serv->server_session, tbuf, NULL,
								 NULL, NULL, 0);
				if (prefs.hex_net_auto_reconnect)
					serv->auto_reconnect (serv, FALSE, -1);
			} else
			{
				snprintf (tbuf, sizeof (tbuf), "LAG%lu", tim);
				serv->p_ping (serv, "", tbuf);
				serv->lag_sent = tim;
				fe_set_lag (serv, -1);
			}
		}
		list = list->next;
	}
}

static int
away_check (void)
{
	session *sess;
	GSList *list;
	int full, sent, loop = 0;

	if (!prefs.hex_away_track || prefs.hex_away_size_max < 1)
		return 1;

doover:
	/* request an update of AWAY status of 1 channel every 30 seconds */
	full = TRUE;
	sent = 0;	/* number of WHOs (users) requested */
	list = sess_list;
	while (list)
	{
		sess = list->data;

		if (sess->server->connected &&
			 sess->type == SESS_CHANNEL &&
			 sess->channel[0] &&
			 sess->total <= prefs.hex_away_size_max)
		{
			if (!sess->done_away_check)
			{
				full = FALSE;

				/* if we're under 31 WHOs, send another channels worth */
				if (sent < 31 && !sess->doing_who)
				{
					sess->done_away_check = TRUE;
					sess->doing_who = TRUE;
					/* this'll send a WHO #channel */
					sess->server->p_away_status (sess->server, sess->channel);
					sent += sess->total;
				}
			}
		}

		list = list->next;
	}

	/* done them all, reset done_away_check to FALSE and start over */
	if (full)
	{
		list = sess_list;
		while (list)
		{
			sess = list->data;
			sess->done_away_check = FALSE;
			list = list->next;
		}
		loop++;
		if (loop < 2)
			goto doover;
	}

	return 1;
}

static int
hexchat_misc_checks (void)		/* this gets called every 1/2 second */
{
	static int count = 0;
#ifdef USE_MSPROXY
	static int count2 = 0;
#endif

	count++;

	lagcheck_update ();			/* every 500ms */

	if (count % 2)
		dcc_check_timeouts ();	/* every 1 second */

	if (count >= 60)				/* every 30 seconds */
	{
		if (prefs.hex_gui_lagometer)
			lag_check ();
		count = 0;
	}

#ifdef USE_MSPROXY	
	count2++;
	if (count2 >= 720)			/* 720 every 6 minutes */
	{
		msproxy_keepalive ();
		count2 = 0;
	}
#endif

	return 1;
}

/* executed when the first irc window opens */

static void
irc_init (session *sess)
{
	static int done_init = FALSE;
	char buf[512];

	if (done_init)
		return;

	done_init = TRUE;

	plugin_add (sess, NULL, NULL, timer_plugin_init, NULL, NULL, FALSE);

#ifdef USE_PLUGIN
	if (!arg_skip_plugins)
		plugin_auto_load (sess);	/* autoload ~/.xchat *.so */
#endif

#ifdef USE_DBUS
	plugin_add (sess, NULL, NULL, dbus_plugin_init, NULL, NULL, FALSE);
#endif

	if (prefs.hex_notify_timeout)
		notify_tag = fe_timeout_add (prefs.hex_notify_timeout * 1000,
											  notify_checklist, 0);

	fe_timeout_add (prefs.hex_away_timeout * 1000, away_check, 0);
	fe_timeout_add (500, hexchat_misc_checks, 0);

	if (arg_url != NULL)
	{
		snprintf (buf, sizeof (buf), "server %s", arg_url);
		handle_command (sess, buf, FALSE);
		g_free (arg_url);	/* from GOption */
	}

	if (arg_command != NULL)
	{
		g_free (arg_command);
	}

	/* load -e ~/.xchat2/startup.txt */
	snprintf (buf, sizeof (buf), "%s/%s", get_xdir_fs (), "startup.txt");
	load_perform_file (sess, buf);
}

static session *
session_new (server *serv, char *from, int type, int focus)
{
	session *sess;

	sess = malloc (sizeof (struct session));
	if (sess == NULL)
	{
		return NULL;
	}
	memset (sess, 0, sizeof (struct session));

	sess->server = serv;
	sess->logfd = -1;
	sess->scrollfd = -1;
	sess->type = type;

	sess->alert_beep = SET_DEFAULT;
	sess->alert_taskbar = SET_DEFAULT;
	sess->alert_tray = SET_DEFAULT;

	sess->text_hidejoinpart = SET_DEFAULT;
	sess->text_logging = SET_DEFAULT;
	sess->text_scrollback = SET_DEFAULT;

	if (from != NULL)
		safe_strcpy (sess->channel, from, CHANLEN);

	sess_list = g_slist_prepend (sess_list, sess);

	fe_new_window (sess, focus);

	return sess;
}

session *
new_ircwindow (server *serv, char *name, int type, int focus)
{
	session *sess;

	switch (type)
	{
	case SESS_SERVER:
		serv = server_new ();
		if (prefs.hex_gui_tab_server)
			sess = session_new (serv, name, SESS_SERVER, focus);
		else
			sess = session_new (serv, name, SESS_CHANNEL, focus);
		serv->server_session = sess;
		serv->front_session = sess;
		break;
	case SESS_DIALOG:
		sess = session_new (serv, name, type, focus);
		log_open_or_close (sess);
		break;
	default:
/*	case SESS_CHANNEL:
	case SESS_NOTICES:
	case SESS_SNOTICES:*/
		sess = session_new (serv, name, type, focus);
		break;
	}

	irc_init (sess);
	scrollback_load (sess);
	chanopt_load (sess);
	plugin_emit_dummy_print (sess, "Open Context");

	return sess;
}

static void
exec_notify_kill (session * sess)
{
#ifndef WIN32
	struct nbexec *re;
	if (sess->running_exec != NULL)
	{
		re = sess->running_exec;
		sess->running_exec = NULL;
		kill (re->childpid, SIGKILL);
		waitpid (re->childpid, NULL, WNOHANG);
		fe_input_remove (re->iotag);
		close (re->myfd);
		if (re->linebuf)
			free(re->linebuf);
		free (re);
	}
#endif
}

static void
send_quit_or_part (session * killsess)
{
	int willquit = TRUE;
	GSList *list;
	session *sess;
	server *killserv = killsess->server;

	/* check if this is the last session using this server */
	list = sess_list;
	while (list)
	{
		sess = (session *) list->data;
		if (sess->server == killserv && sess != killsess)
		{
			willquit = FALSE;
			list = 0;
		} else
			list = list->next;
	}

	if (hexchat_is_quitting)
		willquit = TRUE;

	if (killserv->connected)
	{
		if (willquit)
		{
			if (!killserv->sent_quit)
			{
				killserv->flush_queue (killserv);
				server_sendquit (killsess);
				killserv->sent_quit = TRUE;
			}
		} else
		{
			if (killsess->type == SESS_CHANNEL && killsess->channel[0] &&
				 !killserv->sent_quit)
			{
				server_sendpart (killserv, killsess->channel, 0);
			}
		}
	}
}

void
session_free (session *killsess)
{
	server *killserv = killsess->server;
	session *sess;
	GSList *list;

	plugin_emit_dummy_print (killsess, "Close Context");

	if (current_tab == killsess)
		current_tab = NULL;

	if (killserv->server_session == killsess)
		killserv->server_session = NULL;

	if (killserv->front_session == killsess)
	{
		/* front_session is closed, find a valid replacement */
		killserv->front_session = NULL;
		list = sess_list;
		while (list)
		{
			sess = (session *) list->data;
			if (sess != killsess && sess->server == killserv)
			{
				killserv->front_session = sess;
				if (!killserv->server_session)
					killserv->server_session = sess;
				break;
			}
			list = list->next;
		}
	}

	if (!killserv->server_session)
		killserv->server_session = killserv->front_session;

	sess_list = g_slist_remove (sess_list, killsess);

	if (killsess->type == SESS_CHANNEL)
		userlist_free (killsess);

	exec_notify_kill (killsess);

	log_close (killsess);
	scrollback_close (killsess);
	chanopt_save (killsess);

	send_quit_or_part (killsess);

	history_free (&killsess->history);
	if (killsess->topic)
		free (killsess->topic);
	if (killsess->current_modes)
		free (killsess->current_modes);

	fe_session_callback (killsess);

	if (current_sess == killsess)
	{
		current_sess = NULL;
		if (sess_list)
			current_sess = sess_list->data;
	}

	free (killsess);

	if (!sess_list && !in_hexchat_exit)
		hexchat_exit ();						/* sess_list is empty, quit! */

	list = sess_list;
	while (list)
	{
		sess = (session *) list->data;
		if (sess->server == killserv)
			return;					  /* this server is still being used! */
		list = list->next;
	}

	server_free (killserv);
}

static void
free_sessions (void)
{
	GSList *list = sess_list;

	while (list)
	{
		fe_close_window (list->data);
		list = sess_list;
	}
}


static char defaultconf_ctcp[] =
	"NAME TIME\n"				"CMD nctcp %s TIME %t\n\n"\
	"NAME PING\n"				"CMD nctcp %s PING %d\n\n";

static char defaultconf_replace[] =
	"NAME teh\n"				"CMD the\n\n";
/*	"NAME r\n"					"CMD are\n\n"\
	"NAME u\n"					"CMD you\n\n"*/

static char defaultconf_commands[] =
	"NAME ACTION\n"		"CMD me &2\n\n"\
	"NAME AME\n"			"CMD allchan me &2\n\n"\
	"NAME ANICK\n"			"CMD allserv nick &2\n\n"\
	"NAME AMSG\n"			"CMD allchan say &2\n\n"\
	"NAME BANLIST\n"		"CMD quote MODE %c +b\n\n"\
	"NAME CHAT\n"			"CMD dcc chat %2\n\n"\
	"NAME DIALOG\n"		"CMD query %2\n\n"\
	"NAME DMSG\n"			"CMD msg =%2 &3\n\n"\
	"NAME EXIT\n"			"CMD quit\n\n"\
	"NAME GREP\n"			"CMD lastlog -r -- &2\n\n"\
	"NAME IGNALL\n"			"CMD ignore %2!*@* ALL\n\n"\
	"NAME J\n"				"CMD join &2\n\n"\
	"NAME KILL\n"			"CMD quote KILL %2 :&3\n\n"\
	"NAME LEAVE\n"			"CMD part &2\n\n"\
	"NAME M\n"				"CMD msg &2\n\n"\
	"NAME ONOTICE\n"		"CMD notice @%c &2\n\n"\
	"NAME RAW\n"			"CMD quote &2\n\n"\
	"NAME SERVHELP\n"		"CMD quote HELP\n\n"\
	"NAME SPING\n"			"CMD ping\n\n"\
	"NAME SQUERY\n"		"CMD quote SQUERY %2 :&3\n\n"\
	"NAME SSLSERVER\n"	"CMD server -ssl &2\n\n"\
	"NAME SV\n"				"CMD echo HexChat %v %m\n\n"\
	"NAME UMODE\n"			"CMD mode %n &2\n\n"\
	"NAME UPTIME\n"		"CMD quote STATS u\n\n"\
	"NAME VER\n"			"CMD ctcp %2 VERSION\n\n"\
	"NAME VERSION\n"		"CMD ctcp %2 VERSION\n\n"\
	"NAME WALLOPS\n"		"CMD quote WALLOPS :&2\n\n"\
	"NAME WII\n"			"CMD quote WHOIS %2 %2\n\n";

static char defaultconf_urlhandlers[] =
		"NAME Open Link in Opera\n"		"CMD !opera -remote 'openURL(%s)'\n\n";

#ifdef USE_SIGACTION
/* Close and open log files on SIGUSR1. Usefull for log rotating */

static void 
sigusr1_handler (int signal, siginfo_t *si, void *un)
{
	GSList *list = sess_list;
	session *sess;

	while (list)
	{
		sess = list->data;
		log_open_or_close (sess);
		list = list->next;
	}
}

/* Execute /SIGUSR2 when SIGUSR2 received */

static void
sigusr2_handler (int signal, siginfo_t *si, void *un)
{
	session *sess = current_sess;

	if (sess)
		handle_command (sess, "SIGUSR2", FALSE);
}
#endif

static gint
xchat_auto_connect (gpointer userdata)
{
	servlist_auto_connect (NULL);
	return 0;
}

static void
xchat_init (void)
{
	char buf[3068];
	const char *cs = NULL;

#ifdef WIN32
	WSADATA wsadata;

#ifdef USE_IPV6
	if (WSAStartup(0x0202, &wsadata) != 0)
	{
		MessageBox (NULL, "Cannot find winsock 2.2+", "Error", MB_OK);
		exit (0);
	}
#else
	WSAStartup(0x0101, &wsadata);
#endif	/* !USE_IPV6 */
#endif	/* !WIN32 */

#ifdef USE_SIGACTION
	struct sigaction act;

	/* ignore SIGPIPE's */
	act.sa_handler = SIG_IGN;
	act.sa_flags = 0;
	sigemptyset (&act.sa_mask);
	sigaction (SIGPIPE, &act, NULL);

	/* Deal with SIGUSR1's & SIGUSR2's */
	act.sa_sigaction = sigusr1_handler;
	act.sa_flags = 0;
	sigemptyset (&act.sa_mask);
	sigaction (SIGUSR1, &act, NULL);

	act.sa_sigaction = sigusr2_handler;
	act.sa_flags = 0;
	sigemptyset (&act.sa_mask);
	sigaction (SIGUSR2, &act, NULL);
#else
#ifndef WIN32
	/* good enough for these old systems */
	signal (SIGPIPE, SIG_IGN);
#endif
#endif

	if (g_get_charset (&cs))
		prefs.utf8_locale = TRUE;

	load_text_events ();
	sound_load ();
	notify_load ();
	ignore_load ();

	snprintf (buf, sizeof (buf),
		"NAME %s~%s~\n"				"CMD query %%s\n\n"\
		"NAME %s~%s~\n"				"CMD send %%s\n\n"\
		"NAME %s~%s~\n"				"CMD whois %%s %%s\n\n"\
		"NAME %s~%s~\n"				"CMD notify -n ASK %%s\n\n"\
		"NAME %s~%s~\n"				"CMD ignore %%s!*@* ALL\n\n"\

		"NAME SUB\n"					"CMD %s\n\n"\
			"NAME %s\n"					"CMD op %%a\n\n"\
			"NAME %s\n"					"CMD deop %%a\n\n"\
			"NAME SEP\n"				"CMD \n\n"\
			"NAME %s\n"					"CMD voice %%a\n\n"\
			"NAME %s\n"					"CMD devoice %%a\n"\
			"NAME SEP\n"				"CMD \n\n"\
			"NAME SUB\n"				"CMD %s\n\n"\
				"NAME %s\n"				"CMD kick %%s\n\n"\
				"NAME %s\n"				"CMD ban %%s\n\n"\
				"NAME SEP\n"			"CMD \n\n"\
				"NAME %s *!*@*.host\n""CMD ban %%s 0\n\n"\
				"NAME %s *!*@domain\n""CMD ban %%s 1\n\n"\
				"NAME %s *!*user@*.host\n""CMD ban %%s 2\n\n"\
				"NAME %s *!*user@domain\n""CMD ban %%s 3\n\n"\
				"NAME SEP\n"			"CMD \n\n"\
				"NAME %s *!*@*.host\n""CMD kickban %%s 0\n\n"\
				"NAME %s *!*@domain\n""CMD kickban %%s 1\n\n"\
				"NAME %s *!*user@*.host\n""CMD kickban %%s 2\n\n"\
				"NAME %s *!*user@domain\n""CMD kickban %%s 3\n\n"\
			"NAME ENDSUB\n"			"CMD \n\n"\
		"NAME ENDSUB\n"				"CMD \n\n",

		_("_Open Dialog Window"), "gtk-go-up",
		_("_Send a File"), "gtk-floppy",
		_("_User Info (WhoIs)"), "gtk-info",
		_("_Add to Friends List"), "gtk-add",
		_("_Ignore"), "gtk-stop",
		_("O_perator Actions"),

		_("Give Ops"),
		_("Take Ops"),
		_("Give Voice"),
		_("Take Voice"),

		_("Kick/Ban"),
		_("Kick"),
		_("Ban"),
		_("Ban"),
		_("Ban"),
		_("Ban"),
		_("Ban"),
		_("KickBan"),
		_("KickBan"),
		_("KickBan"),
		_("KickBan"));

	list_loadconf ("popup.conf", &popup_list, buf);

	snprintf (buf, sizeof (buf),
		"NAME %s\n"				"CMD part\n\n"
		"NAME %s\n"				"CMD getstr # join \"%s\"\n\n"
		"NAME %s\n"				"CMD quote LINKS\n\n"
		"NAME %s\n"				"CMD ping\n\n"
		"NAME TOGGLE %s\n"	"CMD irc_hide_version\n\n",
				_("Leave Channel"),
				_("Join Channel..."),
				_("Enter Channel to Join:"),
				_("Server Links"),
				_("Ping Server"),
				_("Hide Version"));
	list_loadconf ("usermenu.conf", &usermenu_list, buf);

	snprintf (buf, sizeof (buf),
		"NAME %s\n"		"CMD op %%a\n\n"
		"NAME %s\n"		"CMD deop %%a\n\n"
		"NAME %s\n"		"CMD ban %%s\n\n"
		"NAME %s\n"		"CMD getstr \"%s\" \"kick %%s\" \"%s\"\n\n"
		"NAME %s\n"		"CMD send %%s\n\n"
		"NAME %s\n"		"CMD query %%s\n\n",
				_("Op"),
				_("DeOp"),
				_("Ban"),
				_("Kick"),
				_("bye"),
				_("Enter reason to kick %s:"),
				_("Sendfile"),
				_("Dialog"));
	list_loadconf ("buttons.conf", &button_list, buf);

	snprintf (buf, sizeof (buf),
		"NAME %s\n"				"CMD whois %%s %%s\n\n"
		"NAME %s\n"				"CMD send %%s\n\n"
		"NAME %s\n"				"CMD dcc chat %%s\n\n"
		"NAME %s\n"				"CMD clear\n\n"
		"NAME %s\n"				"CMD ping %%s\n\n",
				_("WhoIs"),
				_("Send"),
				_("Chat"),
				_("Clear"),
				_("Ping"));
	list_loadconf ("dlgbuttons.conf", &dlgbutton_list, buf);

	list_loadconf ("tabmenu.conf", &tabmenu_list, NULL);
	list_loadconf ("ctcpreply.conf", &ctcp_list, defaultconf_ctcp);
	list_loadconf ("commands.conf", &command_list, defaultconf_commands);
	list_loadconf ("replace.conf", &replace_list, defaultconf_replace);
	list_loadconf ("urlhandlers.conf", &urlhandler_list,
						defaultconf_urlhandlers);

	servlist_init ();							/* load server list */

	/* if we got a URL, don't open the server list GUI */
	if (!prefs.hex_gui_slist_skip && !arg_url)
		fe_serverlist_open (NULL);

	/* turned OFF via -a arg */
	if (!arg_dont_autoconnect)
	{
		/* do any auto connects */
		if (!servlist_have_auto ())	/* if no new windows open .. */
		{
			/* and no serverlist gui ... */
			if (prefs.hex_gui_slist_skip || arg_url)
				/* we'll have to open one. */
				new_ircwindow (NULL, NULL, SESS_SERVER, 0);
		} else
		{
			fe_idle_add (xchat_auto_connect, NULL);
		}
	} else
	{
		if (prefs.hex_gui_slist_skip || arg_url)
			new_ircwindow (NULL, NULL, SESS_SERVER, 0);
	}
}

void
hexchat_exit (void)
{
	hexchat_is_quitting = TRUE;
	in_hexchat_exit = TRUE;
	plugin_kill_all ();
	fe_cleanup ();

	save_config ();
	if (prefs.save_pevents)
	{
		pevent_save (NULL);
	}

	sound_save ();
	notify_save ();
	ignore_save ();
	free_sessions ();
	chanopt_save_all ();
	servlist_cleanup ();
	fe_exit ();
}

#ifndef WIN32

static int
child_handler (gpointer userdata)
{
	int pid = GPOINTER_TO_INT (userdata);

	if (waitpid (pid, 0, WNOHANG) == pid)
		return 0;					  /* remove timeout handler */
	return 1;						  /* keep the timeout handler */
}

#endif

void
hexchat_exec (const char *cmd)
{
#ifdef WIN32
	util_exec (cmd);
#else
	int pid = util_exec (cmd);
	if (pid != -1)
	/* zombie avoiding system. Don't ask! it has to be like this to work
      with zvt (which overrides the default handler) */
		fe_timeout_add (1000, child_handler, GINT_TO_POINTER (pid));
#endif
}

void
hexchat_execv (char * const argv[])
{
#ifdef WIN32
	util_execv (argv);
#else
	int pid = util_execv (argv);
	if (pid != -1)
	/* zombie avoiding system. Don't ask! it has to be like this to work
      with zvt (which overrides the default handler) */
		fe_timeout_add (1000, child_handler, GINT_TO_POINTER (pid));
#endif
}

#ifdef WIN32
static void
xchat_restore_window (HWND hexchat_window)
{
	/* ShowWindow (hexchat_window, SW_RESTORE); another way, but works worse */
	SendMessage (hexchat_window, WM_SYSCOMMAND, SC_RESTORE, 0);
	SetForegroundWindow (hexchat_window);
}

BOOL CALLBACK
enum_windows_impl (HWND current_window, LPARAM lParam)
{
	TCHAR window_name[8];
	TCHAR module_path[1024];
	ZeroMemory (&window_name, sizeof (window_name));

	if (!current_window)
	{
		return TRUE;
	}

	GetWindowText (current_window, window_name, 8);		/* name length + 1 */
	if (strcmp (window_name, "HexChat") == 0)
	{
		/* use a separate if block, this way we don't have to call GetWindowModuleFileName() for each hit */
		ZeroMemory (&module_path, sizeof (module_path));
		GetWindowModuleFileName (current_window, module_path, sizeof (module_path));

		if (strstr (module_path, "hexchat.exe"))	/* We've found it, stop */
		{
			xchat_restore_window (current_window);
			return FALSE;
		}
	}

	return TRUE;								/* Keep searching */

}
#endif

int
main (int argc, char *argv[])
{
	int ret;

#ifdef WIN32
	char hexchat_lang[13];	/* LC_ALL= plus 5 chars of hex_gui_lang and trailing \0 */
	HANDLE mutex;
#endif

	srand (time (0));	/* CL: do this only once! */

	load_config ();

#ifdef WIN32
	/* we MUST do this after load_config () AND before fe_init (thus gtk_init) otherwise it will fail */
	strcpy (hexchat_lang, "LC_ALL=");

	/* this must be ordered EXACTLY as langsmenu[] */
	switch (prefs.hex_gui_lang)
	{
		case 0:
			strcat (hexchat_lang, "af");
			break;
		case 1:
			strcat (hexchat_lang, "sq");
			break;
		case 2:
			strcat (hexchat_lang, "am");
			break;
		case 3:
			strcat (hexchat_lang, "ast");
			break;
		case 4:
			strcat (hexchat_lang, "az");
			break;
		case 5:
			strcat (hexchat_lang, "eu");
			break;
		case 6:
			strcat (hexchat_lang, "be");
			break;
		case 7:
			strcat (hexchat_lang, "bg");
			break;
		case 8:
			strcat (hexchat_lang, "ca");
			break;
		case 9:
			strcat (hexchat_lang, "zh_CN");
			break;
		case 10:
			strcat (hexchat_lang, "zh_TW");
			break;
		case 11:
			strcat (hexchat_lang, "cs");
			break;
		case 12:
			strcat (hexchat_lang, "da");
			break;
		case 13:
			strcat (hexchat_lang, "nl");
			break;
		case 14:
			strcat (hexchat_lang, "en_GB");
			break;
		case 15:
			strcat (hexchat_lang, "en");
			break;
		case 16:
			strcat (hexchat_lang, "et");
			break;
		case 17:
			strcat (hexchat_lang, "fi");
			break;
		case 18:
			strcat (hexchat_lang, "fr");
			break;
		case 19:
			strcat (hexchat_lang, "gl");
			break;
		case 20:
			strcat (hexchat_lang, "de");
			break;
		case 21:
			strcat (hexchat_lang, "el");
			break;
		case 22:
			strcat (hexchat_lang, "gu");
			break;
		case 23:
			strcat (hexchat_lang, "hi");
			break;
		case 24:
			strcat (hexchat_lang, "hu");
			break;
		case 25:
			strcat (hexchat_lang, "id");
			break;
		case 26:
			strcat (hexchat_lang, "it");
			break;
		case 27:
			strcat (hexchat_lang, "ja");
			break;
		case 28:
			strcat (hexchat_lang, "kn");
			break;
		case 29:
			strcat (hexchat_lang, "rw");
			break;
		case 30:
			strcat (hexchat_lang, "ko");
			break;
		case 31:
			strcat (hexchat_lang, "lv");
			break;
		case 32:
			strcat (hexchat_lang, "lt");
			break;
		case 33:
			strcat (hexchat_lang, "mk");
			break;
		case 34:
			strcat (hexchat_lang, "ml");
			break;
		case 35:
			strcat (hexchat_lang, "ms");
			break;
		case 36:
			strcat (hexchat_lang, "nb");
			break;
		case 37:
			strcat (hexchat_lang, "no");
			break;
		case 38:
			strcat (hexchat_lang, "pl");
			break;
		case 39:
			strcat (hexchat_lang, "pt");
			break;
		case 40:
			strcat (hexchat_lang, "pt_BR");
			break;
		case 41:
			strcat (hexchat_lang, "pa");
			break;
		case 42:
			strcat (hexchat_lang, "ru");
			break;
		case 43:
			strcat (hexchat_lang, "sr");
			break;
		case 44:
			strcat (hexchat_lang, "sk");
			break;
		case 45:
			strcat (hexchat_lang, "sl");
			break;
		case 46:
			strcat (hexchat_lang, "es");
			break;
		case 47:
			strcat (hexchat_lang, "sv");
			break;
		case 48:
			strcat (hexchat_lang, "th");
			break;
		case 49:
			strcat (hexchat_lang, "uk");
			break;
		case 50:
			strcat (hexchat_lang, "vi");
			break;
		case 51:
			strcat (hexchat_lang, "wa");
			break;
		default:
			strcat (hexchat_lang, "en");
			break;
	}

	putenv (hexchat_lang);

	if (prefs.hex_gui_single && !portable_mode ())
	{
		DWORD error;

		mutex = CreateMutex (NULL, TRUE, "Local\\hexchat");
		error = GetLastError ();

		if (error == ERROR_ALREADY_EXISTS || mutex == NULL)
		{
			/* restoring the HexChat window from the tray via the taskbar icon
			 * only works correctly when HexTray is used, but it's not a big deal
			 * since you can only minimize HexChat to tray via the taskbar if you
			 * use HexTray*/
			if (hextray_mode ())
			{
				/* FindWindow() doesn't support wildcards so we check all the open windows */
				EnumWindows (enum_windows_impl, (LPARAM) NULL);
				return 0;
			}
			else
			{
				return 1;
			}
		}
	}
#endif

#ifdef SOCKS
	SOCKSinit (argv[0]);
#endif

	ret = fe_args (argc, argv);
	if (ret != -1)
		return ret;
	
#ifdef USE_DBUS
	hexchat_remote ();
#endif

#ifdef USE_LIBPROXY
	libproxy_factory = px_proxy_factory_new();
#endif

	fe_init ();

	xchat_init ();

	fe_main ();

#ifdef USE_LIBPROXY
	px_proxy_factory_free(libproxy_factory);
#endif

#ifdef USE_OPENSSL
	if (ctx)
		_SSL_context_free (ctx);
#endif

#ifdef USE_DEBUG
	hexchat_mem_list ();
#endif

#ifdef WIN32
	WSACleanup ();

	if (prefs.hex_gui_single && !portable_mode ())
	{
		ReleaseMutex (mutex);
		CloseHandle (mutex);
	}
#endif

	return 0;
}
ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 10 00 00 00 10 08 06 00 00 00 1f f3 ff	.PNG........IHDR................
0020	61 00 00 00 06 62 4b 47 44 00 ff 00 ff 00 ff a0 bd a7 93 00 00 00 09 70 48 59 73 00 00 0b 13 00	a....bKGD..............pHYs.....
0040	00 0b 13 01 00 9a 9c 18 00 00 00 07 74 49 4d 45 07 d5 06 10 16 2c 10 6d 53 21 0b 00 00 00 35 74	............tIME.....,.mS!....5t
0060	45 58 74 43 6f 6d 6d 65 6e 74 00 28 63 29 20 32 30 30 34 20 4a 61 6b 75 62 20 53 74 65 69 6e 65	EXtComment.(c).2004.Jakub.Steine
0080	72 0a 0a 43 72 65 61 74 65 64 20 77 69 74 68 20 54 68 65 20 47 49 4d 50 90 d9 8b 6f 00 00 02 db	r..Created.with.The.GIMP...o....
00a0	49 44 41 54 38 cb 7d 93 4b 68 5c 75 14 c6 7f f7 de 99 7b 93 49 32 0d 49 3b a6 03 d6 34 4d 4c ed	IDAT8.}.Kh\u......{.I2.I;...4ML.
00c0	22 d6 84 0a 9a 85 51 ea 58 51 f0 41 68 5d 8c 1b a5 a5 5b 0b 2d 82 2b 75 29 e8 4a dd b9 31 28 2e	".....Q.XQ.Ah]....[.-.+u).J..1(.
00e0	52 48 7c 16 85 10 22 14 a3 03 b1 2a 1a 32 98 47 33 99 38 93 cc e3 3e e6 ce ff 3e fe d7 4d 32 4d	RH\|..."....*.2.G3.8...>...>..M2M
0100	91 fa ad 0e 87 f3 7d 9c 73 3e 3e 85 03 c8 65 c9 de b0 f4 b7 0e a9 f2 a4 40 f1 8f 68 f2 e7 53 6d	......}.s>>...e.........@..h..Sm
0120	e1 77 63 53 bc cb 3d a0 1c 24 c7 12 b1 cb c6 58 66 5c 74 1e 41 36 4d 6c d3 92 f9 85 b9 d5 91 44	.wcS..=..$.....Xf\t.A6Ml.......D
0140	78 61 6c 8a dc ff 0a 7c f2 8a f1 fd 13 e7 9e 3f 5b f4 22 02 21 10 d6 36 5a cd 24 5e 2f 47 9d 4e	xal....\|.......?[.".!..6Z.$^/G.N
0160	4d 89 54 c5 51 64 74 03 58 3a b8 51 6c bf 28 89 e8 6c c5 93 34 6d 93 30 de 43 d2 75 08 cd 02 03	M.T.Qdt.X:.Ql.(..l..4m.0.C.u....
0180	e3 cf 28 dd 0f 3d 46 68 15 3b 9c 9d f2 8b 85 d9 a9 74 2e cb 37 fb 1b a9 fb 02 02 05 d7 ad 13 b8	..(..=Fh.;.......t..7...........
01a0	bb c8 46 99 66 75 9b e1 a7 5e a2 6b f0 61 9c 7a 09 6b 27 8f 91 3a aa f6 8c 3e 3e 06 7c b4 cf 6b	..F.fu...^.k.a.z.k'..:...>>.\|..k
01c0	09 ac 4b 7d 8d a6 87 eb 6b 58 95 0d 52 4d 93 e4 fd 43 08 d7 26 de 33 04 9a 81 bd 71 13 bd 7f 20	..K}....kX..RM...C..&.3....q....
01e0	0e 3c 7a 97 40 66 72 22 9b a8 8d f4 cf 2d da 18 8a 42 5c ef 64 07 95 66 a3 8a 28 dd c2 2c 2c e1	.<z.@fr".....-...B\.d..f..(..,,.
0200	55 96 91 a8 b8 6e 63 05 a8 b6 7e 90 99 9c c8 02 9f 2a a3 36 6b 76 89 70 75 98 6a 69 11 bf b7 9b	U....nc...~......*.6kv.pu.ji....
0220	c1 c2 16 46 6a 00 7b 7d 1e 2d 91 a2 d1 3e 18 b9 b7 b7 7a cb cd ee 75 a8 01 a0 9d 38 d5 ff eb e9	...Fj.{}.-...>....z...u....8....
0240	61 87 50 29 f3 c0 f1 07 89 f5 29 d4 43 9d f6 e5 51 0a ff 54 18 4a ab 04 c9 63 78 c6 31 6a 55 a9	a.P)......).C...Q..T.J...cx.1jU.
0260	fc 38 5f d4 d7 76 8f a6 d3 87 33 d1 ad ad dc 7c cb 05 cf 77 01 d8 5c 29 61 fe 32 ce f1 37 5e e7	.8_..v....3....\|...w..\)a.2..7^.
0280	f7 e9 cf f1 7f da e6 49 eb 33 2a b2 8b 7c 73 10 41 52 cb 3f 7d 0d ae 4f bf 9d 3d 73 c9 50 32 93	.......I.3*..\|s.AR.?}..O..=s.P2.
02a0	13 d1 e9 61 07 d3 5d 05 c0 5e 78 99 47 ae bc c6 17 0b 9b a8 5a 9c 37 9f 4d 33 f3 f1 97 9c 3b 3f	...a..]..^x.G.......Z.7.M3....;?
02c0	4e d8 de c1 07 3f 6c 12 06 82 91 13 7d 04 d7 a7 ef b8 50 77 bb 10 c2 01 dd e2 b7 b5 3a 32 f4 91	N....?l.....}.....Pw........:2..
02e0	32 a0 86 ce d5 f7 2f 32 b3 01 79 4b 21 92 21 32 08 58 29 3a 77 db d8 9f 4a 91 d4 4f 82 d7 45 14	2...../2..yK!.!2.X):w...J..O..E.
0300	49 a2 30 40 06 1e 1f ce fe c5 df 5b 35 a2 c0 67 f6 e6 2a 32 0c 50 b5 d6 e5 a8 c0 ab 4b cb 1d e4	I.0@.......[5..g..*2.P......K...
0320	fe 68 e7 cf db 87 00 88 42 1f 80 44 a5 88 0c 04 df 2e ae b3 bc b1 8b 0c 3c 3a 6a 25 88 e4 7f b3	.h......B..D............<:j%....
0340	b0 87 78 f6 cc 25 cf 7b ee 05 64 04 7e a1 80 7f b8 8f 86 08 5b 03 6d 95 12 a2 37 45 2c a6 71 df	..x..%.{..d.~.......[.m...7E,.q.
0360	dc 57 77 b2 b0 07 5f 04 e2 3d e3 eb 99 ab 00 6d 7b cd 9e 7b 44 59 46 f2 9d 7f 01 cf a4 5a aa c2	.Ww..._..=.....m{..{DYF......Z..
0380	fa 16 60 00 00 00 00 49 45 4e 44 ae 42 60 82	..`....IEND.B`.