summary refs log blame commit diff stats
path: root/src/common/plugin.c
blob: 6756e0fc02a6c4af099efd9afdcbd94aa5d3fd29 (plain) (tree)
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626





















                                                                            

                     
 





                   












                                     
                         








































































































































































                                                                                              












                                                                                                   
























































                                                                                





                                                                        
































                                                                                                      


                                                                                                                     




































































































































                                                                                         


                                      
                  

                              
                                             
                               
                                    
 
            




















                                                                              
                                                          

                   
                                                                         
                                                         
     
                                                                         
                                                         

      

                       













                                                     
                                                                       



                                                
                                                                                     




















































































































































































































































































































































































































































































                                                                                                             

                                                                              

























































                                                                                                    
                                     

                                      
                                       






































































































                                                                                                       
                                                             

















































































































































































































































































































































































































































































                                                                                                                                          
 
          
                                                                                                                               
 

                   
                        



                                                                        



                                    
                                                   
                       
                                                   
 



                                                                                               
         

                         
                                                                         
         




                                                                  
 

                                                                                    
 
            
                                        
      
 







                                                             


                    


                                                                                                                                    
                 
         
                                                                                                         
         
                                






                                                                                                                                                            









                                                                                                                                                                                    


                            
                                                                                                                                              






                                                               
                                                                                                               






                                                                  
                                                                    

                                                                            
            

                                








                                                     



         
                                                                               
 
                                                                 


   
                                                                        
 

               
                          





                                    
                                                   

                       
                                            
                                                        
 
                     
         

                         
 

                                      
 

                 
                           

                         
 

                                       
 


                              
         

                                                                                                
         

                           

                         



                   
 

   
                                                                       

                        
 
                                      
                                                                  


   
                                                            

                        
 
                                                       






                                     
 

   
                                                           
 
                                                             
 

   
                                                    
 

                          
                                                                                                                                        



                                    
                                                   



                                                   
                                                                                                                                                 


                         
                                                                                                                                                                
         
                                                                                                                              











                                                                                                                    
/* X-Chat
 * Copyright (C) 2002 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 <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>

#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif

#include "xchat.h"
#include "fe.h"
#include "util.h"
#include "outbound.h"
#include "cfgfiles.h"
#include "ignore.h"
#include "server.h"
#include "servlist.h"
#include "modes.h"
#include "notify.h"
#include "text.h"
#define PLUGIN_C
typedef struct session xchat_context;
#include "xchat-plugin.h"
#include "plugin.h"


#include "xchatc.h"

/* the USE_PLUGIN define only removes libdl stuff */

#ifdef USE_PLUGIN
#ifdef USE_GMODULE
#include <gmodule.h>
#else
#include <dlfcn.h>
#endif
#endif

#define DEBUG(x) {x;}

/* crafted to be an even 32 bytes */
struct _xchat_hook
{
	xchat_plugin *pl;	/* the plugin to which it belongs */
	char *name;			/* "xdcc" */
	void *callback;	/* pointer to xdcc_callback */
	char *help_text;	/* help_text for commands only */
	void *userdata;	/* passed to the callback */
	int tag;				/* for timers & FDs only */
	int type;			/* HOOK_* */
	int pri;	/* fd */	/* priority / fd for HOOK_FD only */
};

struct _xchat_list
{
	int type;			/* LIST_* */
	GSList *pos;		/* current pos */
	GSList *next;		/* next pos */
	GSList *head;		/* for LIST_USERS only */
	struct notify_per_server *notifyps;	/* notify_per_server * */
};

typedef int (xchat_cmd_cb) (char *word[], char *word_eol[], void *user_data);
typedef int (xchat_serv_cb) (char *word[], char *word_eol[], void *user_data);
typedef int (xchat_print_cb) (char *word[], void *user_data);
typedef int (xchat_fd_cb) (int fd, int flags, void *user_data);
typedef int (xchat_timer_cb) (void *user_data);
typedef int (xchat_init_func) (xchat_plugin *, char **, char **, char **, char *);
typedef int (xchat_deinit_func) (xchat_plugin *);

enum
{
	LIST_CHANNELS,
	LIST_DCC,
	LIST_IGNORE,
	LIST_NOTIFY,
	LIST_USERS
};

enum
{
	HOOK_COMMAND,	/* /command */
	HOOK_SERVER,	/* PRIVMSG, NOTICE, numerics */
	HOOK_PRINT,		/* All print events */
	HOOK_TIMER,		/* timeouts */
	HOOK_FD,			/* sockets & fds */
	HOOK_DELETED	/* marked for deletion */
};

GSList *plugin_list = NULL;	/* export for plugingui.c */
static GSList *hook_list = NULL;

extern const struct prefs vars[];	/* cfgfiles.c */


/* unload a plugin and remove it from our linked list */

static int
plugin_free (xchat_plugin *pl, int do_deinit, int allow_refuse)
{
	GSList *list, *next;
	xchat_hook *hook;
	xchat_deinit_func *deinit_func;

	/* fake plugin added by xchat_plugingui_add() */
	if (pl->fake)
		goto xit;

	/* run the plugin's deinit routine, if any */
	if (do_deinit && pl->deinit_callback != NULL)
	{
		deinit_func = pl->deinit_callback;
		if (!deinit_func (pl) && allow_refuse)
			return FALSE;
	}

	/* remove all of this plugin's hooks */
	list = hook_list;
	while (list)
	{
		hook = list->data;
		next = list->next;
		if (hook->pl == pl)
			xchat_unhook (NULL, hook);
		list = next;
	}

#ifdef USE_PLUGIN
	if (pl->handle)
#ifdef USE_GMODULE
		g_module_close (pl->handle);
#else
		dlclose (pl->handle);
#endif
#endif

xit:
	if (pl->free_strings)
	{
		if (pl->name)
			free (pl->name);
		if (pl->desc)
			free (pl->desc);
		if (pl->version)
			free (pl->version);
	}
	if (pl->filename)
		free ((char *)pl->filename);
	free (pl);

	plugin_list = g_slist_remove (plugin_list, pl);

#ifdef USE_PLUGIN
	fe_pluginlist_update ();
#endif

	return TRUE;
}

static xchat_plugin *
plugin_list_add (xchat_context *ctx, char *filename, const char *name,
					  const char *desc, const char *version, void *handle,
					  void *deinit_func, int fake, int free_strings)
{
	xchat_plugin *pl;

	pl = malloc (sizeof (xchat_plugin));
	pl->handle = handle;
	pl->filename = filename;
	pl->context = ctx;
	pl->name = (char *)name;
	pl->desc = (char *)desc;
	pl->version = (char *)version;
	pl->deinit_callback = deinit_func;
	pl->fake = fake;
	pl->free_strings = free_strings;	/* free() name,desc,version? */

	plugin_list = g_slist_prepend (plugin_list, pl);

	return pl;
}

static void *
xchat_dummy (xchat_plugin *ph)
{
	return NULL;
}

#ifdef WIN32
static int
xchat_read_fd (xchat_plugin *ph, GIOChannel *source, char *buf, int *len)
{
	GError *error = NULL;

	g_io_channel_set_buffered (source, FALSE);
	g_io_channel_set_encoding (source, NULL, &error);

	if (g_io_channel_read_chars (source, buf, *len, (gsize*)len, &error) == G_IO_STATUS_NORMAL)
	{
		return 0;
	}
	else
	{
		return -1;
	}
}
#endif

/* Load a static plugin */

void
plugin_add (session *sess, char *filename, void *handle, void *init_func,
				void *deinit_func, char *arg, int fake)
{
	xchat_plugin *pl;
	char *file;

	file = NULL;
	if (filename)
		file = strdup (filename);

	pl = plugin_list_add (sess, file, file, NULL, NULL, handle, deinit_func,
								 fake, FALSE);

	if (!fake)
	{
		/* win32 uses these because it doesn't have --export-dynamic! */
		pl->xchat_hook_command = xchat_hook_command;
		pl->xchat_hook_server = xchat_hook_server;
		pl->xchat_hook_print = xchat_hook_print;
		pl->xchat_hook_timer = xchat_hook_timer;
		pl->xchat_hook_fd = xchat_hook_fd;
		pl->xchat_unhook = xchat_unhook;
		pl->xchat_print = xchat_print;
		pl->xchat_printf = xchat_printf;
		pl->xchat_command = xchat_command;
		pl->xchat_commandf = xchat_commandf;
		pl->xchat_nickcmp = xchat_nickcmp;
		pl->xchat_set_context = xchat_set_context;
		pl->xchat_find_context = xchat_find_context;
		pl->xchat_get_context = xchat_get_context;
		pl->xchat_get_info = xchat_get_info;
		pl->xchat_get_prefs = xchat_get_prefs;
		pl->xchat_list_get = xchat_list_get;
		pl->xchat_list_free = xchat_list_free;
		pl->xchat_list_fields = xchat_list_fields;
		pl->xchat_list_str = xchat_list_str;
		pl->xchat_list_next = xchat_list_next;
		pl->xchat_list_int = xchat_list_int;
		pl->xchat_plugingui_add = xchat_plugingui_add;
		pl->xchat_plugingui_remove = xchat_plugingui_remove;
		pl->xchat_emit_print = xchat_emit_print;
#ifdef WIN32
		pl->xchat_read_fd = (void *) xchat_read_fd;
#else
		pl->xchat_read_fd = xchat_dummy;
#endif
		pl->xchat_list_time = xchat_list_time;
		pl->xchat_gettext = xchat_gettext;
		pl->xchat_send_modes = xchat_send_modes;
		pl->xchat_strip = xchat_strip;
		pl->xchat_free = xchat_free;
		pl->xchat_pluginpref_set_str = xchat_pluginpref_set_str;
		pl->xchat_pluginpref_get_str = xchat_pluginpref_get_str;
		pl->xchat_pluginpref_set_int = xchat_pluginpref_set_int;
		pl->xchat_pluginpref_get_int = xchat_pluginpref_get_int;
		pl->xchat_pluginpref_delete = xchat_pluginpref_delete;
		pl->xchat_pluginpref_list = xchat_pluginpref_list;

		/* incase new plugins are loaded on older xchat */
		pl->xchat_dummy4 = xchat_dummy;
		pl->xchat_dummy3 = xchat_dummy;
		pl->xchat_dummy2 = xchat_dummy;
		pl->xchat_dummy1 = xchat_dummy;

		/* run xchat_plugin_init, if it returns 0, close the plugin */
		if (((xchat_init_func *)init_func) (pl, &pl->name, &pl->desc, &pl->version, arg) == 0)
		{
			plugin_free (pl, FALSE, FALSE);
			return;
		}
	}

#ifdef USE_PLUGIN
	fe_pluginlist_update ();
#endif
}

/* kill any plugin by the given (file) name (used by /unload) */

int
plugin_kill (char *name, int by_filename)
{
	GSList *list;
	xchat_plugin *pl;

	list = plugin_list;
	while (list)
	{
		pl = list->data;
		/* static-plugins (plugin-timer.c) have a NULL filename */
		if ((by_filename && pl->filename && g_ascii_strcasecmp (name, pl->filename) == 0) ||
			 (by_filename && pl->filename && g_ascii_strcasecmp (name, file_part (pl->filename)) == 0) ||
			(!by_filename && g_ascii_strcasecmp (name, pl->name) == 0))
		{
			/* statically linked plugins have a NULL filename */
			if (pl->filename != NULL && !pl->fake)
			{
				if (plugin_free (pl, TRUE, TRUE))
					return 1;
				return 2;
			}
		}
		list = list->next;
	}

	return 0;
}

/* kill all running plugins (at shutdown) */

void
plugin_kill_all (void)
{
	GSList *list, *next;
	xchat_plugin *pl;

	list = plugin_list;
	while (list)
	{
		pl = list->data;
		next = list->next;
		if (!pl->fake)
			plugin_free (list->data, TRUE, FALSE);
		list = next;
	}
}

#ifdef USE_PLUGIN

/* load a plugin from a filename. Returns: NULL-success or an error string */

char *
plugin_load (session *sess, char *filename, char *arg)
{
	void *handle;
	xchat_init_func *init_func;
	xchat_deinit_func *deinit_func;

#ifdef USE_GMODULE
	/* load the plugin */
	handle = g_module_open (filename, 0);
	if (handle == NULL)
		return (char *)g_module_error ();

	/* find the init routine xchat_plugin_init */
	if (!g_module_symbol (handle, "xchat_plugin_init", (gpointer *)&init_func))
	{
		g_module_close (handle);
		return _("No xchat_plugin_init symbol; is this really an xchat plugin?");
	}

	/* find the plugin's deinit routine, if any */
	if (!g_module_symbol (handle, "xchat_plugin_deinit", (gpointer *)&deinit_func))
		deinit_func = NULL;

#else
	char *error;
	char *filepart;

/* OpenBSD lacks this! */
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif

#ifndef RTLD_NOW
#define RTLD_NOW 0
#endif

	/* get the filename without path */
	filepart = file_part (filename);

	/* load the plugin */
	if (filepart &&
		 /* xsys draws in libgtk-1.2, causing crashes, so force RTLD_LOCAL */
		 (strstr (filepart, "local") || strncmp (filepart, "libxsys-1", 9) == 0)
		)
		handle = dlopen (filename, RTLD_NOW);
	else
		handle = dlopen (filename, RTLD_GLOBAL | RTLD_NOW);
	if (handle == NULL)
		return (char *)dlerror ();
	dlerror ();		/* Clear any existing error */

	/* find the init routine xchat_plugin_init */
	init_func = dlsym (handle, "xchat_plugin_init");
	error = (char *)dlerror ();
	if (error != NULL)
	{
		dlclose (handle);
		return _("No xchat_plugin_init symbol; is this really an xchat plugin?");
	}

	/* find the plugin's deinit routine, if any */
	deinit_func = dlsym (handle, "xchat_plugin_deinit");
	error = (char *)dlerror ();
#endif

	/* add it to our linked list */
	plugin_add (sess, filename, handle, init_func, deinit_func, arg, FALSE);

	return NULL;
}

static session *ps;

static void
plugin_auto_load_cb (char *filename)
{
	char *pMsg;

#ifndef WIN32	/* black listed */
	if (!strcmp (file_part (filename), "dbus.so"))
		return;
#endif

	pMsg = plugin_load (ps, filename, NULL);
	if (pMsg)
	{
		PrintTextf (ps, "AutoLoad failed for: %s\n", filename);
		PrintText (ps, pMsg);
	}
}

void
plugin_auto_load (session *sess)
{
	/* let's do it the Perl way */
	const char *xdir;
	char *sub_dir;
	ps = sess;

	xdir = get_xdir_fs ();
	sub_dir = malloc (strlen (xdir) + 8);
	strcpy (sub_dir, xdir);
	strcat (sub_dir, "/addons");

#ifdef WIN32
	/* a long list of bundled plugins that should be loaded automatically,
	 * user plugins should go to <config>, leave Program Files alone! */
	for_files ("./plugins", "hcchecksum.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcdns.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcdoat.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcexec.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcfishlim.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hclua.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcmpcinfo.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcperl-512.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcperl-514.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcperl-516.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcpython.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcsasl.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hctcl.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcupd.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcwinamp.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcwinsys.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hcwmpa.dll", plugin_auto_load_cb);
	for_files ("./plugins", "hextray.dll", plugin_auto_load_cb);

	for_files (sub_dir, "*.dll", plugin_auto_load_cb);
#else
#if defined(__hpux)
	for_files (HEXCHATLIBDIR"/plugins", "*.sl", plugin_auto_load_cb);
	for_files (sub_dir, "*.sl", plugin_auto_load_cb);
#else
	for_files (HEXCHATLIBDIR"/plugins", "*.so", plugin_auto_load_cb);
	for_files (sub_dir, "*.so", plugin_auto_load_cb);
#endif
#endif

	free (sub_dir);
}

#endif

static GSList *
plugin_hook_find (GSList *list, int type, char *name)
{
	xchat_hook *hook;

	while (list)
	{
		hook = list->data;
		if (hook->type == type)
		{
			if (g_ascii_strcasecmp (hook->name, name) == 0)
				return list;

			if (type == HOOK_SERVER)
			{
				if (g_ascii_strcasecmp (hook->name, "RAW LINE") == 0)
					return list;
			}
		}
		list = list->next;
	}

	return NULL;
}

/* check for plugin hooks and run them */

static int
plugin_hook_run (session *sess, char *name, char *word[], char *word_eol[], int type)
{
	GSList *list, *next;
	xchat_hook *hook;
	int ret, eat = 0;

	list = hook_list;
	while (1)
	{
		list = plugin_hook_find (list, type, name);
		if (!list)
			goto xit;

		hook = list->data;
		next = list->next;
		hook->pl->context = sess;

		/* run the plugin's callback function */
		switch (type)
		{
		case HOOK_COMMAND:
			ret = ((xchat_cmd_cb *)hook->callback) (word, word_eol, hook->userdata);
			break;
		case HOOK_SERVER:
			ret = ((xchat_serv_cb *)hook->callback) (word, word_eol, hook->userdata);
			break;
		default: /*case HOOK_PRINT:*/
			ret = ((xchat_print_cb *)hook->callback) (word, hook->userdata);
			break;
		}

		if ((ret & XCHAT_EAT_XCHAT) && (ret & XCHAT_EAT_PLUGIN))
		{
			eat = 1;
			goto xit;
		}
		if (ret & XCHAT_EAT_PLUGIN)
			goto xit;	/* stop running plugins */
		if (ret & XCHAT_EAT_XCHAT)
			eat = 1;	/* eventually we'll return 1, but continue running plugins */

		list = next;
	}

xit:
	/* really remove deleted hooks now */
	list = hook_list;
	while (list)
	{
		hook = list->data;
		next = list->next;
		if (hook->type == HOOK_DELETED)
		{
			hook_list = g_slist_remove (hook_list, hook);
			free (hook);
		}
		list = next;
	}

	return eat;
}

/* execute a plugged in command. Called from outbound.c */

int
plugin_emit_command (session *sess, char *name, char *word[], char *word_eol[])
{
	return plugin_hook_run (sess, name, word, word_eol, HOOK_COMMAND);
}

/* got a server PRIVMSG, NOTICE, numeric etc... */

int
plugin_emit_server (session *sess, char *name, char *word[], char *word_eol[])
{
	return plugin_hook_run (sess, name, word, word_eol, HOOK_SERVER);
}

/* see if any plugins are interested in this print event */

int
plugin_emit_print (session *sess, char *word[])
{
	return plugin_hook_run (sess, word[0], word, NULL, HOOK_PRINT);
}

int
plugin_emit_dummy_print (session *sess, char *name)
{
	char *word[32];
	int i;

	word[0] = name;
	for (i = 1; i < 32; i++)
		word[i] = "\000";

	return plugin_hook_run (sess, name, word, NULL, HOOK_PRINT);
}

int
plugin_emit_keypress (session *sess, unsigned int state, unsigned int keyval,
							 int len, char *string)
{
	char *word[PDIWORDS];
	char keyval_str[16];
	char state_str[16];
	char len_str[16];
	int i;

	if (!hook_list)
		return 0;

	sprintf (keyval_str, "%u", keyval);
	sprintf (state_str, "%u", state);
	sprintf (len_str, "%d", len);

	word[0] = "Key Press";
	word[1] = keyval_str;
	word[2] = state_str;
	word[3] = string;
	word[4] = len_str;
	for (i = 5; i < PDIWORDS; i++)
		word[i] = "\000";

	return plugin_hook_run (sess, word[0], word, NULL, HOOK_PRINT);
}

static int
plugin_timeout_cb (xchat_hook *hook)
{
	int ret;

	/* timer_cb's context starts as front-most-tab */
	hook->pl->context = current_sess;

	/* call the plugin's timeout function */
	ret = ((xchat_timer_cb *)hook->callback) (hook->userdata);

	/* the callback might have already unhooked it! */
	if (!g_slist_find (hook_list, hook) || hook->type == HOOK_DELETED)
		return 0;

	if (ret == 0)
	{
		hook->tag = 0;	/* avoid fe_timeout_remove, returning 0 is enough! */
		xchat_unhook (hook->pl, hook);
	}

	return ret;
}

/* insert a hook into hook_list according to its priority */

static void
plugin_insert_hook (xchat_hook *new_hook)
{
	GSList *list;
	xchat_hook *hook;

	list = hook_list;
	while (list)
	{
		hook = list->data;
		if (hook->type == new_hook->type && hook->pri <= new_hook->pri)
		{
			hook_list = g_slist_insert_before (hook_list, list, new_hook);
			return;
		}
		list = list->next;
	}

	hook_list = g_slist_append (hook_list, new_hook);
}

static gboolean
plugin_fd_cb (GIOChannel *source, GIOCondition condition, xchat_hook *hook)
{
	int flags = 0, ret;
	typedef int (xchat_fd_cb2) (int fd, int flags, void *user_data, GIOChannel *);

	if (condition & G_IO_IN)
		flags |= XCHAT_FD_READ;
	if (condition & G_IO_OUT)
		flags |= XCHAT_FD_WRITE;
	if (condition & G_IO_PRI)
		flags |= XCHAT_FD_EXCEPTION;

	ret = ((xchat_fd_cb2 *)hook->callback) (hook->pri, flags, hook->userdata, source);

	/* the callback might have already unhooked it! */
	if (!g_slist_find (hook_list, hook) || hook->type == HOOK_DELETED)
		return 0;

	if (ret == 0)
	{
		hook->tag = 0; /* avoid fe_input_remove, returning 0 is enough! */
		xchat_unhook (hook->pl, hook);
	}

	return ret;
}

/* allocate and add a hook to our list. Used for all 4 types */

static xchat_hook *
plugin_add_hook (xchat_plugin *pl, int type, int pri, const char *name,
					  const  char *help_text, void *callb, int timeout, void *userdata)
{
	xchat_hook *hook;

	hook = malloc (sizeof (xchat_hook));
	memset (hook, 0, sizeof (xchat_hook));

	hook->type = type;
	hook->pri = pri;
	if (name)
		hook->name = strdup (name);
	if (help_text)
		hook->help_text = strdup (help_text);
	hook->callback = callb;
	hook->pl = pl;
	hook->userdata = userdata;

	/* insert it into the linked list */
	plugin_insert_hook (hook);

	if (type == HOOK_TIMER)
		hook->tag = fe_timeout_add (timeout, plugin_timeout_cb, hook);

	return hook;
}

GList *
plugin_command_list(GList *tmp_list)
{
	xchat_hook *hook;
	GSList *list = hook_list;

	while (list)
	{
		hook = list->data;
		if (hook->type == HOOK_COMMAND)
			tmp_list = g_list_prepend(tmp_list, hook->name);
		list = list->next;
	}
	return tmp_list;
}

void
plugin_command_foreach (session *sess, void *userdata,
			void (*cb) (session *sess, void *userdata, char *name, char *help))
{
	GSList *list;
	xchat_hook *hook;

	list = hook_list;
	while (list)
	{
		hook = list->data;
		if (hook->type == HOOK_COMMAND && hook->name[0])
		{
			cb (sess, userdata, hook->name, hook->help_text);
		}
		list = list->next;
	}
}

int
plugin_show_help (session *sess, char *cmd)
{
	GSList *list;
	xchat_hook *hook;

	list = plugin_hook_find (hook_list, HOOK_COMMAND, cmd);
	if (list)
	{
		hook = list->data;
		if (hook->help_text)
		{
			PrintText (sess, hook->help_text);
			return 1;
		}
	}

	return 0;
}

/* ========================================================= */
/* ===== these are the functions plugins actually call ===== */
/* ========================================================= */

void *
xchat_unhook (xchat_plugin *ph, xchat_hook *hook)
{
	/* perl.c trips this */
	if (!g_slist_find (hook_list, hook) || hook->type == HOOK_DELETED)
		return NULL;

	if (hook->type == HOOK_TIMER && hook->tag != 0)
		fe_timeout_remove (hook->tag);

	if (hook->type == HOOK_FD && hook->tag != 0)
		fe_input_remove (hook->tag);

	hook->type = HOOK_DELETED;	/* expunge later */

	if (hook->name)
		free (hook->name);	/* NULL for timers & fds */
	if (hook->help_text)
		free (hook->help_text);	/* NULL for non-commands */

	return hook->userdata;
}

xchat_hook *
xchat_hook_command (xchat_plugin *ph, const char *name, int pri,
						  xchat_cmd_cb *callb, const char *help_text, void *userdata)
{
	return plugin_add_hook (ph, HOOK_COMMAND, pri, name, help_text, callb, 0,
									userdata);
}

xchat_hook *
xchat_hook_server (xchat_plugin *ph, const char *name, int pri,
						 xchat_serv_cb *callb, void *userdata)
{
	return plugin_add_hook (ph, HOOK_SERVER, pri, name, 0, callb, 0, userdata);
}

xchat_hook *
xchat_hook_print (xchat_plugin *ph, const char *name, int pri,
						xchat_print_cb *callb, void *userdata)
{
	return plugin_add_hook (ph, HOOK_PRINT, pri, name, 0, callb, 0, userdata);
}

xchat_hook *
xchat_hook_timer (xchat_plugin *ph, int timeout, xchat_timer_cb *callb,
					   void *userdata)
{
	return plugin_add_hook (ph, HOOK_TIMER, 0, 0, 0, callb, timeout, userdata);
}

xchat_hook *
xchat_hook_fd (xchat_plugin *ph, int fd, int flags,
					xchat_fd_cb *callb, void *userdata)
{
	xchat_hook *hook;

	hook = plugin_add_hook (ph, HOOK_FD, 0, 0, 0, callb, 0, userdata);
	hook->pri = fd;
	/* plugin hook_fd flags correspond exactly to FIA_* flags (fe.h) */
	hook->tag = fe_input_add (fd, flags, plugin_fd_cb, hook);

	return hook;
}

void
xchat_print (xchat_plugin *ph, const char *text)
{
	if (!is_session (ph->context))
	{
		DEBUG(PrintTextf(0, "%s\txchat_print called without a valid context.\n", ph->name));
		return;
	}

	PrintText (ph->context, (char *)text);
}

void
xchat_printf (xchat_plugin *ph, const char *format, ...)
{
	va_list args;
	char *buf;

	va_start (args, format);
	buf = g_strdup_vprintf (format, args);
	va_end (args);

	xchat_print (ph, buf);
	g_free (buf);
}

void
xchat_command (xchat_plugin *ph, const char *command)
{
	char *conv;
	int len = -1;

	if (!is_session (ph->context))
	{
		DEBUG(PrintTextf(0, "%s\txchat_command called without a valid context.\n", ph->name));
		return;
	}

	/* scripts/plugins continue to send non-UTF8... *sigh* */
	conv = text_validate ((char **)&command, &len);
	handle_command (ph->context, (char *)command, FALSE);
	g_free (conv);
}

void
xchat_commandf (xchat_plugin *ph, const char *format, ...)
{
	va_list args;
	char *buf;

	va_start (args, format);
	buf = g_strdup_vprintf (format, args);
	va_end (args);

	xchat_command (ph, buf);
	g_free (buf);
}

int
xchat_nickcmp (xchat_plugin *ph, const char *s1, const char *s2)
{
	return ((session *)ph->context)->server->p_cmp (s1, s2);
}

xchat_context *
xchat_get_context (xchat_plugin *ph)
{
	return ph->context;
}

int
xchat_set_context (xchat_plugin *ph, xchat_context *context)
{
	if (is_session (context))
	{
		ph->context = context;
		return 1;
	}
	return 0;
}

xchat_context *
xchat_find_context (xchat_plugin *ph, const char *servname, const char *channel)
{
	GSList *slist, *clist, *sessions = NULL;
	server *serv;
	session *sess;
	char *netname;

	if (servname == NULL && channel == NULL)
		return current_sess;

	slist = serv_list;
	while (slist)
	{
		serv = slist->data;
		netname = server_get_network (serv, TRUE);

		if (servname == NULL ||
			 rfc_casecmp (servname, serv->servername) == 0 ||
			 g_ascii_strcasecmp (servname, serv->hostname) == 0 ||
			 g_ascii_strcasecmp (servname, netname) == 0)
		{
			if (channel == NULL)
				return serv->front_session;

			clist = sess_list;
			while (clist)
			{
				sess = clist->data;
				if (sess->server == serv)
				{
					if (rfc_casecmp (channel, sess->channel) == 0)
					{
						if (sess->server == ph->context->server)
						{
							g_slist_free (sessions);
							return sess;
						} else
						{
							sessions = g_slist_prepend (sessions, sess);
						}
					}
				}
				clist = clist->next;
			}
		}
		slist = slist->next;
	}

	if (sessions)
	{
		sessions = g_slist_reverse (sessions);
		sess = sessions->data;
		g_slist_free (sessions);
		return sess;
	}

	return NULL;
}

const char *
xchat_get_info (xchat_plugin *ph, const char *id)
{
	session *sess;
	guint32 hash;

	/*                 1234567890 */
	if (!strncmp (id, "event_text", 10))
	{
		char *e = (char *)id + 10;
		if (*e == ' ') e++;	/* 2.8.0 only worked without a space */
		return text_find_format_string (e);
	}

	hash = str_hash (id);
	/* do the session independant ones first */
	switch (hash)
	{
	case 0x325acab5:	/* libdirfs */
		return HEXCHATLIBDIR;

	case 0x14f51cd8: /* version */
		return PACKAGE_VERSION;

	case 0xdd9b1abd:	/* xchatdir */
		return get_xdir_utf8 ();

	case 0xe33f6c4a:	/* xchatdirfs */
		return get_xdir_fs ();
	}

	sess = ph->context;
	if (!is_session (sess))
	{
		DEBUG(PrintTextf(0, "%s\txchat_get_info called without a valid context.\n", ph->name));
		return NULL;
	}

	switch (hash)
	{
	case 0x2de2ee: /* away */
		if (sess->server->is_away)
			return sess->server->last_away_reason;
		return NULL;

  	case 0x2c0b7d03: /* channel */
		return sess->channel;

	case 0x2c0d614c: /* charset */
		{
			const char *locale;

			if (sess->server->encoding)
				return sess->server->encoding;

			locale = NULL;
			g_get_charset (&locale);
			return locale;
		}

	case 0x30f5a8: /* host */
		return sess->server->hostname;

	case 0x1c0e99c1: /* inputbox */
		return fe_get_inputbox_contents (sess);

	case 0x633fb30:	/* modes */
		return sess->current_modes;

	case 0x6de15a2e:	/* network */
		return server_get_network (sess->server, FALSE);

	case 0x339763: /* nick */
		return sess->server->nick;

	case 0x438fdf9: /* nickserv */
		if (sess->server->network)
			return ((ircnet *)sess->server->network)->nickserv;
		return NULL;

	case 0xca022f43: /* server */
		if (!sess->server->connected)
			return NULL;
		return sess->server->servername;

	case 0x696cd2f: /* topic */
		return sess->topic;

	case 0x3419f12d: /* gtkwin_ptr */
		return fe_gui_info_ptr (sess, 1);

	case 0x506d600b: /* native win_ptr */
		return fe_gui_info_ptr (sess, 0);

	case 0x6d3431b5: /* win_status */
		switch (fe_gui_info (sess, 0))	/* check window status */
		{
		case 0: return "normal";
		case 1: return "active";
		case 2: return "hidden";
		}
		return NULL;
	}

	return NULL;
}

int
xchat_get_prefs (xchat_plugin *ph, const char *name, const char **string, int *integer)
{
	int i = 0;

	/* some special run-time info (not really prefs, but may aswell throw it in here) */
	switch (str_hash (name))
	{
		case 0xf82136c4: /* state_cursor */
			*integer = fe_get_inputbox_cursor (ph->context);
			return 2;

		case 0xd1b: /* id */
			*integer = ph->context->server->id;
			return 2;
	}
	
	do
	{
		if (!g_ascii_strcasecmp (name, vars[i].name))
		{
			switch (vars[i].type)
			{
			case TYPE_STR:
				*string = ((char *) &prefs + vars[i].offset);
				return 1;

			case TYPE_INT:
				*integer = *((int *) &prefs + vars[i].offset);
				return 2;

			default:
			/*case TYPE_BOOL:*/
				if (*((int *) &prefs + vars[i].offset))
					*integer = 1;
				else
					*integer = 0;
				return 3;
			}
		}
		i++;
	}
	while (vars[i].name);

	return 0;
}

xchat_list *
xchat_list_get (xchat_plugin *ph, const char *name)
{
	xchat_list *list;

	list = malloc (sizeof (xchat_list));
	list->pos = NULL;

	switch (str_hash (name))
	{
	case 0x556423d0: /* channels */
		list->type = LIST_CHANNELS;
		list->next = sess_list;
		break;

	case 0x183c4:	/* dcc */
		list->type = LIST_DCC;
		list->next = dcc_list;
		break;

	case 0xb90bfdd2:	/* ignore */
		list->type = LIST_IGNORE;
		list->next = ignore_list;
		break;

	case 0xc2079749:	/* notify */
		list->type = LIST_NOTIFY;
		list->next = notify_list;
		list->head = (void *)ph->context;	/* reuse this pointer */
		break;

	case 0x6a68e08: /* users */
		if (is_session (ph->context))
		{
			list->type = LIST_USERS;
			list->head = list->next = userlist_flat_list (ph->context);
			fe_userlist_set_selected (ph->context);
			break;
		}	/* fall through */

	default:
		free (list);
		return NULL;
	}

	return list;
}

void
xchat_list_free (xchat_plugin *ph, xchat_list *xlist)
{
	if (xlist->type == LIST_USERS)
		g_slist_free (xlist->head);
	free (xlist);
}

int
xchat_list_next (xchat_plugin *ph, xchat_list *xlist)
{
	if (xlist->next == NULL)
		return 0;

	xlist->pos = xlist->next;
	xlist->next = xlist->pos->next;

	/* NOTIFY LIST: Find the entry which matches the context
		of the plugin when list_get was originally called. */
	if (xlist->type == LIST_NOTIFY)
	{
		xlist->notifyps = notify_find_server_entry (xlist->pos->data,
													((session *)xlist->head)->server);
		if (!xlist->notifyps)
			return 0;
	}

	return 1;
}

const char * const *
xchat_list_fields (xchat_plugin *ph, const char *name)
{
	static const char * const dcc_fields[] =
	{
		"iaddress32","icps",		"sdestfile","sfile",		"snick",	"iport",
		"ipos", "iposhigh", "iresume", "iresumehigh", "isize", "isizehigh", "istatus", "itype", NULL
	};
	static const char * const channels_fields[] =
	{
		"schannel",	"schantypes", "pcontext", "iflags", "iid", "ilag", "imaxmodes",
		"snetwork", "snickmodes", "snickprefixes", "iqueue", "sserver", "itype", "iusers",
		NULL
	};
	static const char * const ignore_fields[] =
	{
		"iflags", "smask", NULL
	};
	static const char * const notify_fields[] =
	{
		"iflags", "snetworks", "snick", "toff", "ton", "tseen", NULL
	};
	static const char * const users_fields[] =
	{
		"iaway", "shost", "tlasttalk", "snick", "sprefix", "srealname", "iselected", NULL
	};
	static const char * const list_of_lists[] =
	{
		"channels",	"dcc", "ignore", "notify", "users", NULL
	};

	switch (str_hash (name))
	{
	case 0x556423d0:	/* channels */
		return channels_fields;
	case 0x183c4:		/* dcc */
		return dcc_fields;
	case 0xb90bfdd2:	/* ignore */
		return ignore_fields;
	case 0xc2079749:	/* notify */
		return notify_fields;
	case 0x6a68e08:	/* users */
		return users_fields;
	case 0x6236395:	/* lists */
		return list_of_lists;
	}

	return NULL;
}

time_t
xchat_list_time (xchat_plugin *ph, xchat_list *xlist, const char *name)
{
	guint32 hash = str_hash (name);
	gpointer data;

	switch (xlist->type)
	{
	case LIST_NOTIFY:
		if (!xlist->notifyps)
			return (time_t) -1;
		switch (hash)
		{
		case 0x1ad6f:	/* off */
			return xlist->notifyps->lastoff;
		case 0xddf:	/* on */
			return xlist->notifyps->laston;
		case 0x35ce7b:	/* seen */
			return xlist->notifyps->lastseen;
		}
		break;

	case LIST_USERS:
		data = xlist->pos->data;
		switch (hash)
		{
		case 0xa9118c42:	/* lasttalk */
			return ((struct User *)data)->lasttalk;
		}
	}

	return (time_t) -1;
}

const char *
xchat_list_str (xchat_plugin *ph, xchat_list *xlist, const char *name)
{
	guint32 hash = str_hash (name);
	gpointer data = ph->context;
	int type = LIST_CHANNELS;

	/* a NULL xlist is a shortcut to current "channels" context */
	if (xlist)
	{
		data = xlist->pos->data;
		type = xlist->type;
	}

	switch (type)
	{
	case LIST_CHANNELS:
		switch (hash)
		{
		case 0x2c0b7d03: /* channel */
			return ((session *)data)->channel;
		case 0x577e0867: /* chantypes */
			return ((session *)data)->server->chantypes;
		case 0x38b735af: /* context */
			return data;	/* this is a session * */
		case 0x6de15a2e: /* network */
			return server_get_network (((session *)data)->server, FALSE);
		case 0x8455e723: /* nickprefixes */
			return ((session *)data)->server->nick_prefixes;
		case 0x829689ad: /* nickmodes */
			return ((session *)data)->server->nick_modes;
		case 0xca022f43: /* server */
			return ((session *)data)->server->servername;
		}
		break;

	case LIST_DCC:
		switch (hash)
		{
		case 0x3d9ad31e:	/* destfile */
			return ((struct DCC *)data)->destfile;
		case 0x2ff57c:	/* file */
			return ((struct DCC *)data)->file;
		case 0x339763: /* nick */
			return ((struct DCC *)data)->nick;
		}
		break;

	case LIST_IGNORE:
		switch (hash)
		{
		case 0x3306ec:	/* mask */
			return ((struct ignore *)data)->mask;
		}
		break;

	case LIST_NOTIFY:
		switch (hash)
		{
		case 0x4e49ec05:	/* networks */
			return ((struct notify *)data)->networks;
		case 0x339763: /* nick */
			return ((struct notify *)data)->name;
		}
		break;

	case LIST_USERS:
		switch (hash)
		{
		case 0x339763: /* nick */
			return ((struct User *)data)->nick;
		case 0x30f5a8: /* host */
			return ((struct User *)data)->hostname;
		case 0xc594b292: /* prefix */
			return ((struct User *)data)->prefix;
		case 0xccc6d529: /* realname */
			return ((struct User *)data)->realname;
		}
		break;
	}

	return NULL;
}

int
xchat_list_int (xchat_plugin *ph, xchat_list *xlist, const char *name)
{
	guint32 hash = str_hash (name);
	gpointer data = ph->context;
	int tmp, type = LIST_CHANNELS;

	/* a NULL xlist is a shortcut to current "channels" context */
	if (xlist)
	{
		data = xlist->pos->data;
		type = xlist->type;
	}

	switch (type)
	{
	case LIST_DCC:
		switch (hash)
		{
		case 0x34207553: /* address32 */
			return ((struct DCC *)data)->addr;
		case 0x181a6: /* cps */
			return ((struct DCC *)data)->cps;
		case 0x349881: /* port */
			return ((struct DCC *)data)->port;
		case 0x1b254: /* pos */
			return ((struct DCC *)data)->pos & 0xffffffff;
		case 0xe8a945f6: /* poshigh */
			return (((struct DCC *)data)->pos >> 32) & 0xffffffff;
		case 0xc84dc82d: /* resume */
			return ((struct DCC *)data)->resumable & 0xffffffff;
		case 0xded4c74f: /* resumehigh */
			return (((struct DCC *)data)->resumable >> 32) & 0xffffffff;
		case 0x35e001: /* size */
			return ((struct DCC *)data)->size & 0xffffffff;
		case 0x3284d523: /* sizehigh */
			return (((struct DCC *)data)->size >> 32) & 0xffffffff;
		case 0xcacdcff2: /* status */
			return ((struct DCC *)data)->dccstat;
		case 0x368f3a: /* type */
			return ((struct DCC *)data)->type;
		}
		break;

	case LIST_IGNORE:
		switch (hash)
		{
		case 0x5cfee87:	/* flags */
			return ((struct ignore *)data)->type;
		}
		break;

	case LIST_CHANNELS:
		switch (hash)
		{
		case 0xd1b:	/* id */
			return ((struct session *)data)->server->id;
		case 0x5cfee87:	/* flags */
			tmp = ((struct session *)data)->alert_taskbar;   /* bit 10 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->alert_tray;         /* 9 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->alert_beep;         /* 8 */
			tmp <<= 1;
			/*tmp |= ((struct session *)data)->color_paste;*/    /* 7 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->text_hidejoinpart;   /* 6 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->have_idmsg; /* 5 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->have_whox;  /* 4 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->end_of_motd;/* 3 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->is_away;    /* 2 */
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->connecting; /* 1 */ 
			tmp <<= 1;
			tmp |= ((struct session *)data)->server->connected;  /* 0 */
			return tmp;
		case 0x1a192: /* lag */
			return ((struct session *)data)->server->lag;
		case 0x1916144c: /* maxmodes */
			return ((struct session *)data)->server->modes_per_line;
		case 0x66f1911: /* queue */
			return ((struct session *)data)->server->sendq_len;
		case 0x368f3a:	/* type */
			return ((struct session *)data)->type;
		case 0x6a68e08: /* users */
			return ((struct session *)data)->total;
		}
		break;

	case LIST_NOTIFY:
		if (!xlist->notifyps)
			return -1;
		switch (hash)
		{
		case 0x5cfee87: /* flags */
			return xlist->notifyps->ison;
		}

	case LIST_USERS:
		switch (hash)
		{
		case 0x2de2ee:	/* away */
			return ((struct User *)data)->away;
		case 0x4705f29b: /* selected */
			return ((struct User *)data)->selected;
		}
		break;

	}

	return -1;
}

void *
xchat_plugingui_add (xchat_plugin *ph, const char *filename,
							const char *name, const char *desc,
							const char *version, char *reserved)
{
#ifdef USE_PLUGIN
	ph = plugin_list_add (NULL, strdup (filename), strdup (name), strdup (desc),
								 strdup (version), NULL, NULL, TRUE, TRUE);
	fe_pluginlist_update ();
#endif

	return ph;
}

void
xchat_plugingui_remove (xchat_plugin *ph, void *handle)
{
#ifdef USE_PLUGIN
	plugin_free (handle, FALSE, FALSE);
#endif
}

int
xchat_emit_print (xchat_plugin *ph, const char *event_name, ...)
{
	va_list args;
	/* currently only 4 because no events use more than 4.
		This can be easily expanded without breaking the API. */
	char *argv[4] = {NULL, NULL, NULL, NULL};
	int i = 0;

	va_start (args, event_name);
	while (1)
	{
		argv[i] = va_arg (args, char *);
		if (!argv[i])
			break;
		i++;
		if (i >= 4)
			break;
	}

	i = text_emit_by_name ((char *)event_name, ph->context, argv[0], argv[1],
								  argv[2], argv[3]);
	va_end (args);

	return i;
}

char *
xchat_gettext (xchat_plugin *ph, const char *msgid)
{
	/* so that plugins can use xchat's internal gettext strings. */
	/* e.g. The EXEC plugin uses this on Windows. */
	return _(msgid);
}

void
xchat_send_modes (xchat_plugin *ph, const char **targets, int ntargets, int modes_per_line, char sign, char mode)
{
	char tbuf[514];	/* modes.c needs 512 + null */

	send_channel_modes (ph->context, tbuf, (char **)targets, 0, ntargets, sign, mode, modes_per_line);
}

char *
xchat_strip (xchat_plugin *ph, const char *str, int len, int flags)
{
	return strip_color ((char *)str, len, flags);
}

void
xchat_free (xchat_plugin *ph, void *ptr)
{
	g_free (ptr);
}

static int
xchat_pluginpref_set_str_real (xchat_plugin *pl, const char *var, const char *value, int mode) /* mode: 0 = delete, 1 = save */
{
	FILE *fpIn;
	int fhOut;
	int prevSetting;
	char confname[64];
	char confname_tmp[69];
	char buffer[512];		/* the same as in cfg_put_str */
	char buffer_tmp[512];
	char *canon;

	canon = g_strdup (pl->name);
	canonalize_key (canon);
	sprintf (confname, "addon_%s.conf", canon);
	g_free (canon);
	sprintf (confname_tmp, "%s.new", confname);

	fhOut = xchat_open_file (confname_tmp, O_TRUNC | O_WRONLY | O_CREAT, 0600, XOF_DOMODE);
	fpIn = xchat_fopen_file (confname, "r", 0);

	if (fhOut == -1)		/* unable to save, abort */
	{
		return 0;
	}
	else if (fpIn == NULL)	/* no previous config file, no parsing */
	{
		if (mode)
		{
			sprintf (buffer, "%s = %s\n", var, value);
			write (fhOut, buffer, strlen (buffer));
			close (fhOut);

			sprintf (buffer, "%s/%s", get_xdir_fs (), confname);
			sprintf (buffer_tmp, "%s/%s", get_xdir_fs (), confname_tmp);

#ifdef WIN32
			unlink (buffer);
#endif

			if (rename (buffer_tmp, buffer) == 0)
			{
				return 1;
			}
			else
			{
				return 0;
			}
		}
		else
		{
			/* mode = 0, we want to delete but the config file and thus the given setting does not exist, we're ready */
			close (fhOut);
			return 1;
		}
	}
	else	/* existing config file, preserve settings and find & replace current var value if any */
	{
		prevSetting = 0;

		while (fscanf (fpIn, " %[^\n]", &buffer) != EOF)	/* read whole lines including whitespaces */
		{
			sprintf (buffer_tmp, "%s ", var);				/* add one space, this way it works against var - var2 checks too */

			if (strncmp (buffer_tmp, buffer, strlen (var) + 1) == 0)	/* given setting already exists */
			{
				if (mode)									/* overwrite the existing matching setting if we are in save mode */
				{
					sprintf (buffer, "%s = %s\n", var, value);
				}
				else										/* erase the setting in delete mode */
				{
					strcpy (buffer, "");
				}

				prevSetting = 1;
			}
			else
			{
				strcat (buffer, "\n");						/* preserve the existing different settings */
			}

			write (fhOut, buffer, strlen (buffer));
		}

		fclose (fpIn);

		if (!prevSetting && mode)	/* var doesn't exist currently, append if we're in save mode */
		{
			sprintf (buffer, "%s = %s\n", var, value);
			write (fhOut, buffer, strlen (buffer));
		}

		close (fhOut);

		sprintf (buffer, "%s/%s", get_xdir_fs (), confname);
		sprintf (buffer_tmp, "%s/%s", get_xdir_fs (), confname_tmp);

#ifdef WIN32
		unlink (buffer);
#endif

		if (rename (buffer_tmp, buffer) == 0)
		{
			return 1;
		}
		else
		{
			return 0;
		}
	}
}

int
xchat_pluginpref_set_str (xchat_plugin *pl, const char *var, const char *value)
{
	return xchat_pluginpref_set_str_real (pl, var, value, 1);
}

int
xchat_pluginpref_get_str (xchat_plugin *pl, const char *var, char *dest)
{
	int fh;
	int l;
	char confname[64];
	char *canon;
	char *cfg;
	struct stat st;

	canon = g_strdup (pl->name);
	canonalize_key (canon);
	sprintf (confname, "addon_%s.conf", canon);
	g_free (canon);

	/* partly borrowed from palette.c */
	fh = xchat_open_file (confname, O_RDONLY, 0, 0);

	if (fh == -1)
	{
		return 0;
	}

	fstat (fh, &st);
	cfg = malloc (st.st_size + 1);

	if (!cfg)
	{
		close (fh);
		return 0;
	}

	cfg[0] = '\0';
	l = read (fh, cfg, st.st_size);

	if (l >= 0)
	{
		cfg[l] = '\0';
	}

	if (!cfg_get_str (cfg, var, dest, 512)) /* dest_len is the same as buffer size in set */
	{
		free (cfg);
		close (fh);
		return 0;
	}

	free (cfg);
	close (fh);
	return 1;
}

int
xchat_pluginpref_set_int (xchat_plugin *pl, const char *var, int value)
{
	char buffer[12];

	sprintf (buffer, "%d", value);
	return xchat_pluginpref_set_str_real (pl, var, buffer, 1);
}

int
xchat_pluginpref_get_int (xchat_plugin *pl, const char *var)
{
	char buffer[12];

	if (xchat_pluginpref_get_str (pl, var, buffer))
	{
		return atoi (buffer);
	}
	else
	{
		return -1;
	}
}

int
xchat_pluginpref_delete (xchat_plugin *pl, const char *var)
{
	return xchat_pluginpref_set_str_real (pl, var, 0, 0);
}

int
xchat_pluginpref_list (xchat_plugin *pl, char* dest)
{
	FILE *fpIn;
	char confname[64];
	char buffer[512];										/* the same as in cfg_put_str */
	char *token;

	token = g_strdup (pl->name);
	canonalize_key (token);
	sprintf (confname, "addon_%s.conf", token);
	g_free (token);

	fpIn = xchat_fopen_file (confname, "r", 0);

	if (fpIn == NULL)										/* no existing config file, no parsing */
	{
		return 0;
	}
	else													/* existing config file, get list of settings */
	{
		strcpy (dest, "");									/* clean up garbage */
		while (fscanf (fpIn, " %[^\n]", &buffer) != EOF)	/* read whole lines including whitespaces */
		{
			token = strtok (buffer, "=");
			strncat (dest, token, strlen (token) - 1);
			strcat (dest, ",");
		}

		fclose (fpIn);
	}

	return 1;
}