summary refs log blame commit diff stats
path: root/src/common/inbound.c
blob: 719bbe609be2136b9d3fdc2bfe4d315585d061ff (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
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












































































































































































































































































































































































































































































































































































































































































































                                                                                                          
                                                                               


                                                                    
























































                                                                                        
                          








                                                            
                                                              

                                                                                          
                                                                  










































































































































































































































































                                                                                                               

                        








                                                                                  
 





                                                                     


                                                                                                   




                                    






                                                         

































































































































































































































































































                                                                                                                                                         
/* 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 <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>

#define WANTARPA
#define WANTDNS
#include "inet.h"

#include "xchat.h"
#include "util.h"
#include "ignore.h"
#include "fe.h"
#include "modes.h"
#include "notify.h"
#include "outbound.h"
#include "inbound.h"
#include "server.h"
#include "servlist.h"
#include "text.h"
#include "ctcp.h"
#include "plugin.h"
#include "xchatc.h"


void
clear_channel (session *sess)
{
	if (sess->channel[0])
		strcpy (sess->waitchannel, sess->channel);
	sess->channel[0] = 0;
	sess->doing_who = FALSE;
	sess->done_away_check = FALSE;

	log_close (sess);

	if (sess->current_modes)
	{
		free (sess->current_modes);
		sess->current_modes = NULL;
	}

	if (sess->mode_timeout_tag)
	{
		fe_timeout_remove (sess->mode_timeout_tag);
		sess->mode_timeout_tag = 0;
	}

	fe_clear_channel (sess);
	userlist_clear (sess);
	fe_set_nonchannel (sess, FALSE);
	fe_set_title (sess);
}

void
set_topic (session *sess, char *topic, char *stripped_topic)
{
	if (sess->topic)
		free (sess->topic);
	sess->topic = strdup (stripped_topic);
	fe_set_topic (sess, topic, stripped_topic);
}

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

	sess = find_dialog (serv, nick);
	if (sess)
		return sess;

	if (serv->front_session)
	{
		if (userlist_find (serv->front_session, nick))
			return serv->front_session;
	}

	if (current_sess && current_sess->server == serv)
	{
		if (userlist_find (current_sess, nick))
			return current_sess;
	}

	while (list)
	{
		sess = list->data;
		if (sess->server == serv)
		{
			if (userlist_find (sess, nick))
				return sess;
		}
		list = list->next;
	}
	return 0;
}

static session *
inbound_open_dialog (server *serv, char *from)
{
	session *sess;

	sess = new_ircwindow (serv, from, SESS_DIALOG, 0);
	/* for playing sounds */
	EMIT_SIGNAL (XP_TE_OPENDIALOG, sess, NULL, NULL, NULL, NULL, 0);

	return sess;
}

static void
inbound_make_idtext (server *serv, char *idtext, int max, int id)
{
	idtext[0] = 0;
	if (serv->have_idmsg)
	{
		if (id)
		{
			safe_strcpy (idtext, prefs.irc_id_ytext, max);
		} else
		{
			safe_strcpy (idtext, prefs.irc_id_ntext, max);
		}
		/* convert codes like %C,%U to the proper ones */
		check_special_chars (idtext, TRUE);
	}
}

void
inbound_privmsg (server *serv, char *from, char *ip, char *text, int id)
{
	session *sess;
	char idtext[64];

	sess = find_dialog (serv, from);

	if (sess || prefs.autodialog)
	{
		/*0=ctcp  1=priv will set autodialog=0 here is flud detected */
		if (!sess)
		{
			if (flood_check (from, ip, serv, current_sess, 1))
				/* Create a dialog session */
				sess = inbound_open_dialog (serv, from);
			else
				sess = serv->server_session;
			if (!sess)
				return; /* ?? */
		}

		if (ip && ip[0])
		{
			if (prefs.logging && sess->logfd != -1 &&
				(!sess->topic || strcmp(sess->topic, ip)))
			{
				char tbuf[1024];
				snprintf (tbuf, sizeof (tbuf), "[%s has address %s]\n", from, ip);
				write (sess->logfd, tbuf, strlen (tbuf));
			}
			set_topic (sess, ip, ip);
		}
		inbound_chanmsg (serv, NULL, NULL, from, text, FALSE, id);
		return;
	}

	inbound_make_idtext (serv, idtext, sizeof (idtext), id);

	sess = find_session_from_nick (from, serv);
	if (!sess)
	{
		sess = serv->front_session;
		EMIT_SIGNAL (XP_TE_PRIVMSG, sess, from, text, idtext, NULL, 0);
		return;
	}

	if (sess->type == SESS_DIALOG)
		EMIT_SIGNAL (XP_TE_DPRIVMSG, sess, from, text, idtext, NULL, 0);
	else
		EMIT_SIGNAL (XP_TE_PRIVMSG, sess, from, text, idtext, NULL, 0);
}

/* used for Alerts section. Masks can be separated by commas and spaces. */

gboolean
alert_match_word (char *word, char *masks)
{
	char *p = masks;
	char endchar;
	int res;

	if (masks[0] == 0)
		return FALSE;

	while (1)
	{
		/* if it's a 0, space or comma, the word has ended. */
		if (*p == 0 || *p == ' ' || *p == ',')
		{
			endchar = *p;
			*p = 0;
			res = match (masks, word);
			*p = endchar;

			if (res)
				return TRUE;	/* yes, matched! */

			masks = p + 1;
			if (*p == 0)
				return FALSE;
		}
		p++;
	}
}

gboolean
alert_match_text (char *text, char *masks)
{
	unsigned char *p = text;
	unsigned char endchar;
	int res;

	if (masks[0] == 0)
		return FALSE;

	while (1)
	{
		if (*p >= '0' && *p <= '9')
		{
			p++;
			continue;
		}

		/* if it's RFC1459 <special>, it can be inside a word */
		switch (*p)
		{
		case '-': case '[': case ']': case '\\':
		case '`': case '^': case '{': case '}':
		case '_': case '|':
			p++;
			continue;
		}

		/* if it's a 0, space or comma, the word has ended. */
		if (*p == 0 || *p == ' ' || *p == ',' ||
			/* if it's anything BUT a letter, the word has ended. */
			 (!g_unichar_isalpha (g_utf8_get_char (p))))
		{
			endchar = *p;
			*p = 0;
			res = alert_match_word (text, masks);
			*p = endchar;

			if (res)
				return TRUE;	/* yes, matched! */

			text = p + g_utf8_skip [p[0]];
			if (*p == 0)
				return FALSE;
		}

		p += g_utf8_skip [p[0]];
	}
}

static int
is_hilight (char *from, char *text, session *sess, server *serv)
{
	if (alert_match_word (from, prefs.irc_no_hilight))
		return 0;

	text = strip_color (text, -1, STRIP_ALL);

	if (alert_match_text (text, serv->nick) ||
		 alert_match_text (text, prefs.irc_extra_hilight) ||
		 alert_match_word (from, prefs.irc_nick_hilight))
	{
		g_free (text);
		if (sess != current_tab)
			sess->nick_said = TRUE;
		fe_set_hilight (sess);
		return 1;
	}

	g_free (text);
	return 0;
}

void
inbound_action (session *sess, char *chan, char *from, char *ip, char *text, int fromme, int id)
{
	session *def = sess;
	server *serv = sess->server;
	struct User *user;
	char nickchar[2] = "\000";
	char idtext[64];
	int privaction = FALSE;

	if (!fromme)
	{
		if (is_channel (serv, chan))
		{
			sess = find_channel (serv, chan);
		} else
		{
			/* it's a private action! */
			privaction = TRUE;
			/* find a dialog tab for it */
			sess = find_dialog (serv, from);
			/* if non found, open a new one */
			if (!sess && prefs.autodialog)
			{
				/* but only if it wouldn't flood */
				if (flood_check (from, ip, serv, current_sess, 1))
					sess = inbound_open_dialog (serv, from);
				else
					sess = serv->server_session;
			}
			if (!sess)
			{
				sess = find_session_from_nick (from, serv);
				/* still not good? */
				if (!sess)
					sess = serv->front_session;
			}
		}
	}

	if (!sess)
		sess = def;

	if (sess != current_tab)
	{
		if (fromme)
		{
			sess->msg_said = FALSE;
			sess->new_data = TRUE;
		} else
		{
			sess->msg_said = TRUE;
			sess->new_data = FALSE;
		}
	}

	user = userlist_find (sess, from);
	if (user)
	{
		nickchar[0] = user->prefix[0];
		user->lasttalk = time (0);
	}

	inbound_make_idtext (serv, idtext, sizeof (idtext), id);

	if (!fromme && !privaction)
	{
		if (is_hilight (from, text, sess, serv))
		{
			EMIT_SIGNAL (XP_TE_HCHANACTION, sess, from, text, nickchar, idtext, 0);
			return;
		}
	}

	if (fromme)
		EMIT_SIGNAL (XP_TE_UACTION, sess, from, text, nickchar, idtext, 0);
	else if (!privaction)
		EMIT_SIGNAL (XP_TE_CHANACTION, sess, from, text, nickchar, idtext, 0);
	else if (sess->type == SESS_DIALOG)
		EMIT_SIGNAL (XP_TE_DPRIVACTION, sess, from, text, idtext, NULL, 0);
	else
		EMIT_SIGNAL (XP_TE_PRIVACTION, sess, from, text, idtext, NULL, 0);
}

void
inbound_chanmsg (server *serv, session *sess, char *chan, char *from, char *text, char fromme, int id)
{
	struct User *user;
	int hilight = FALSE;
	char nickchar[2] = "\000";
	char idtext[64];

	if (!sess)
	{
		if (chan)
		{
			sess = find_channel (serv, chan);
			if (!sess && !is_channel (serv, chan))
				sess = find_dialog (serv, chan);
		} else
		{
			sess = find_dialog (serv, from);
		}
		if (!sess)
			return;
	}

	if (sess != current_tab)
	{
		sess->msg_said = TRUE;
		sess->new_data = FALSE;
	}

	user = userlist_find (sess, from);
	if (user)
	{
		nickchar[0] = user->prefix[0];
		user->lasttalk = time (0);
	}

	if (fromme)
	{
  		if (prefs.auto_unmark_away && serv->is_away)
			sess->server->p_set_back (sess->server);
		EMIT_SIGNAL (XP_TE_UCHANMSG, sess, from, text, nickchar, NULL, 0);
		return;
	}

	inbound_make_idtext (serv, idtext, sizeof (idtext), id);

	if (is_hilight (from, text, sess, serv))
		hilight = TRUE;

	if (sess->type == SESS_DIALOG)
		EMIT_SIGNAL (XP_TE_DPRIVMSG, sess, from, text, idtext, NULL, 0);
	else if (hilight)
		EMIT_SIGNAL (XP_TE_HCHANMSG, sess, from, text, nickchar, idtext, 0);
	else
		EMIT_SIGNAL (XP_TE_CHANMSG, sess, from, text, nickchar, idtext, 0);
}

void
inbound_newnick (server *serv, char *nick, char *newnick, int quiet)
{
	int me = FALSE;
	session *sess;
	GSList *list = sess_list;

	if (!serv->p_cmp (nick, serv->nick))
	{
		me = TRUE;
		safe_strcpy (serv->nick, newnick, NICKLEN);
	}

	while (list)
	{
		sess = list->data;
		if (sess->server == serv)
		{
			if (userlist_change (sess, nick, newnick) || (me && sess->type == SESS_SERVER))
			{
				if (!quiet)
				{
					if (me)
						EMIT_SIGNAL (XP_TE_UCHANGENICK, sess, nick, newnick, NULL,
										 NULL, 0);
					else
						EMIT_SIGNAL (XP_TE_CHANGENICK, sess, nick, newnick, NULL,
										 NULL, 0);
				}
			}
			if (sess->type == SESS_DIALOG && !serv->p_cmp (sess->channel, nick))
			{
				safe_strcpy (sess->channel, newnick, CHANLEN);
				fe_set_channel (sess);
			}
			fe_set_title (sess);
		}
		list = list->next;
	}

	dcc_change_nick (serv, nick, newnick);

	if (me)
		fe_set_nick (serv, newnick);
}

/* find a "<none>" tab */
static session *
find_unused_session (server *serv)
{
	session *sess;
	GSList *list = sess_list;
	while (list)
	{
		sess = (session *) list->data;
		if (sess->type == SESS_CHANNEL && sess->channel[0] == 0 &&
			 sess->server == serv)
		{
			if (sess->waitchannel[0] == 0)
				return sess;
		}
		list = list->next;
	}
	return 0;
}

static session *
find_session_from_waitchannel (char *chan, struct server *serv)
{
	session *sess;
	GSList *list = sess_list;
	while (list)
	{
		sess = (session *) list->data;
		if (sess->server == serv && sess->channel[0] == 0 && sess->type == SESS_CHANNEL)
		{
			if (!serv->p_cmp (chan, sess->waitchannel))
				return sess;
		}
		list = list->next;
	}
	return 0;
}

void
inbound_ujoin (server *serv, char *chan, char *nick, char *ip)
{
	session *sess;

	/* already joined? probably a bnc */
	sess = find_channel (serv, chan);
	if (!sess)
	{
		/* see if a window is waiting to join this channel */
		sess = find_session_from_waitchannel (chan, serv);
		if (!sess)
		{
			/* find a "<none>" tab and use that */
			sess = find_unused_session (serv);
			if (!sess)
				/* last resort, open a new tab/window */
				sess = new_ircwindow (serv, chan, SESS_CHANNEL, 1);
		}
	}

	safe_strcpy (sess->channel, chan, CHANLEN);

	fe_set_channel (sess);
	fe_set_title (sess);
	fe_set_nonchannel (sess, TRUE);
	userlist_clear (sess);

	log_open_or_close (sess);

	sess->waitchannel[0] = 0;
	sess->ignore_date = TRUE;
	sess->ignore_mode = TRUE;
	sess->ignore_names = TRUE;
	sess->end_of_names = FALSE;

	/* sends a MODE */
	serv->p_join_info (sess->server, chan);

	EMIT_SIGNAL (XP_TE_UJOIN, sess, nick, chan, ip, NULL, 0);

	if (prefs.userhost)
	{
		/* sends WHO #channel */
		serv->p_user_list (sess->server, chan);
		sess->doing_who = TRUE;
	}
}

void
inbound_ukick (server *serv, char *chan, char *kicker, char *reason)
{
	session *sess = find_channel (serv, chan);
	if (sess)
	{
		EMIT_SIGNAL (XP_TE_UKICK, sess, serv->nick, chan, kicker, reason, 0);
		clear_channel (sess);
		if (prefs.autorejoin)
		{
			serv->p_join (serv, chan, sess->channelkey);
			safe_strcpy (sess->waitchannel, chan, CHANLEN);
		}
	}
}

void
inbound_upart (server *serv, char *chan, char *ip, char *reason)
{
	session *sess = find_channel (serv, chan);
	if (sess)
	{
		if (*reason)
			EMIT_SIGNAL (XP_TE_UPARTREASON, sess, serv->nick, ip, chan, reason,
							 0);
		else
			EMIT_SIGNAL (XP_TE_UPART, sess, serv->nick, ip, chan, NULL, 0);
		clear_channel (sess);
	}
}

void
inbound_nameslist (server *serv, char *chan, char *names)
{
	session *sess;
	char name[NICKLEN];
	int pos = 0;

	sess = find_channel (serv, chan);
	if (!sess)
	{
		EMIT_SIGNAL (XP_TE_USERSONCHAN, serv->server_session, chan, names, NULL,
						 NULL, 0);
		return;
	}
	if (!sess->ignore_names)
		EMIT_SIGNAL (XP_TE_USERSONCHAN, sess, chan, names, NULL, NULL, 0);

	if (sess->end_of_names)
	{
		sess->end_of_names = FALSE;
		userlist_clear (sess);
	}

	while (1)
	{
		switch (*names)
		{
		case 0:
			name[pos] = 0;
			if (pos != 0)
				userlist_add (sess, name, 0);
			return;
		case ' ':
			name[pos] = 0;
			pos = 0;
			userlist_add (sess, name, 0);
			break;
		default:
			name[pos] = *names;
			if (pos < (NICKLEN-1))
				pos++;
		}
		names++;
	}
}

void
inbound_topic (server *serv, char *chan, char *topic_text)
{
	session *sess = find_channel (serv, chan);
	char *stripped_topic;

	if (sess)
	{
		stripped_topic = strip_color (topic_text, -1, STRIP_ALL);
		set_topic (sess, topic_text, stripped_topic);
		g_free (stripped_topic);
	} else
		sess = serv->server_session;

	EMIT_SIGNAL (XP_TE_TOPIC, sess, chan, topic_text, NULL, NULL, 0);
}

void
inbound_topicnew (server *serv, char *nick, char *chan, char *topic)
{
	session *sess;
	char *stripped_topic;

	sess = find_channel (serv, chan);
	if (sess)
	{
		EMIT_SIGNAL (XP_TE_NEWTOPIC, sess, nick, topic, chan, NULL, 0);
		stripped_topic = strip_color (topic, -1, STRIP_ALL);
		set_topic (sess, topic, stripped_topic);
		g_free (stripped_topic);
	}
}

void
inbound_join (server *serv, char *chan, char *user, char *ip)
{
	session *sess = find_channel (serv, chan);
	if (sess)
	{
		EMIT_SIGNAL (XP_TE_JOIN, sess, user, chan, ip, NULL, 0);
		userlist_add (sess, user, ip);
	}
}

void
inbound_kick (server *serv, char *chan, char *user, char *kicker, char *reason)
{
	session *sess = find_channel (serv, chan);
	if (sess)
	{
		EMIT_SIGNAL (XP_TE_KICK, sess, kicker, user, chan, reason, 0);
		userlist_remove (sess, user);
	}
}

void
inbound_part (server *serv, char *chan, char *user, char *ip, char *reason)
{
	session *sess = find_channel (serv, chan);
	if (sess)
	{
		if (*reason)
			EMIT_SIGNAL (XP_TE_PARTREASON, sess, user, ip, chan, reason, 0);
		else
			EMIT_SIGNAL (XP_TE_PART, sess, user, ip, chan, NULL, 0);
		userlist_remove (sess, user);
	}
}

void
inbound_topictime (server *serv, char *chan, char *nick, time_t stamp)
{
	char *tim = ctime (&stamp);
	session *sess = find_channel (serv, chan);

	if (!sess)
		sess = serv->server_session;

	tim[24] = 0;	/* get rid of the \n */
	EMIT_SIGNAL (XP_TE_TOPICDATE, sess, chan, nick, tim, NULL, 0);
}

void
inbound_quit (server *serv, char *nick, char *ip, char *reason)
{
	GSList *list = sess_list;
	session *sess;
	struct User *user;
	int was_on_front_session = FALSE;

	while (list)
	{
		sess = (session *) list->data;
		if (sess->server == serv)
		{
 			if (sess == current_sess)
 				was_on_front_session = TRUE;
			if (user = userlist_find (sess, nick))
			{
				EMIT_SIGNAL (XP_TE_QUIT, sess, nick, reason, ip, NULL, 0);
				userlist_remove_user (sess, user);
			} else if (sess->type == SESS_DIALOG && !serv->p_cmp (sess->channel, nick))
			{
				EMIT_SIGNAL (XP_TE_QUIT, sess, nick, reason, ip, NULL, 0);
			}
		}
		list = list->next;
	}

	notify_set_offline (serv, nick, was_on_front_session);
}

void
inbound_ping_reply (session *sess, char *timestring, char *from)
{
	unsigned long tim, nowtim, dif;
	int lag = 0;
	char outbuf[64];

	if (strncmp (timestring, "LAG", 3) == 0)
	{
		timestring += 3;
		lag = 1;
	}

	tim = strtoul (timestring, NULL, 10);
	nowtim = make_ping_time ();
	dif = nowtim - tim;

	sess->server->ping_recv = time (0);

	if (lag)
	{
		sess->server->lag_sent = 0;
		sess->server->lag = dif / 1000;
		fe_set_lag (sess->server, dif / 100000);
		return;
	}

	if (atol (timestring) == 0)
	{
		if (sess->server->lag_sent)
			sess->server->lag_sent = 0;
		else
			EMIT_SIGNAL (XP_TE_PINGREP, sess, from, "?", NULL, NULL, 0);
	} else
	{
		snprintf (outbuf, sizeof (outbuf), "%ld.%ld%ld", dif / 1000000, (dif / 100000) % 10, dif % 10);
		EMIT_SIGNAL (XP_TE_PINGREP, sess, from, outbuf, NULL, NULL, 0);
	}
}

static session *
find_session_from_type (int type, server *serv)
{
	session *sess;
	GSList *list = sess_list;
	while (list)
	{
		sess = list->data;
		if (sess->type == type && serv == sess->server)
			return sess;
		list = list->next;
	}
	return 0;
}

void
inbound_notice (server *serv, char *to, char *nick, char *msg, char *ip, int id)
{
	char *po,*ptr=to;
	session *sess = 0;
	int server_notice = FALSE;

	if (is_channel (serv, ptr))
		sess = find_channel (serv, ptr);

	if (!sess && ptr[0] == '@')
	{
		ptr++;
		sess = find_channel (serv, ptr);
	}

	if (!sess && ptr[0] == '%')
	{
		ptr++;
		sess = find_channel (serv, ptr);
	}

	if (!sess && ptr[0] == '+')
	{
		ptr++;
		sess = find_channel (serv, ptr);
	}

	if (strcmp (nick, ip) == 0)
		server_notice = TRUE;

	if (!sess)
	{
		ptr = 0;
		if (prefs.notices_tabs)
		{
			int stype = server_notice ? SESS_SNOTICES : SESS_NOTICES;
			sess = find_session_from_type (stype, serv);
			if (!sess)
			{
				if (stype == SESS_NOTICES)
					sess = new_ircwindow (serv, "(notices)", SESS_NOTICES, 0);
				else
					sess = new_ircwindow (serv, "(snotices)", SESS_SNOTICES, 0);
				fe_set_channel (sess);
				fe_set_title (sess);
				fe_set_nonchannel (sess, FALSE);
				userlist_clear (sess);
				log_open_or_close (sess);
			}
			/* Avoid redundancy with some Undernet notices */
			if (!strncmp (msg, "*** Notice -- ", 14))
				msg += 14;
		} else
		{
											/* paranoia check */
			if (msg[0] == '[' && (!serv->have_idmsg || id))
			{
				/* guess where chanserv meant to post this -sigh- */
				if (!strcasecmp (nick, "ChanServ") && !find_dialog (serv, nick))
				{
					char *dest = strdup (msg + 1);
					char *end = strchr (dest, ']');
					if (end)
					{
						*end = 0;
						sess = find_channel (serv, dest);
					}
					free (dest);
				}
			}
			if (!sess)
				sess = find_session_from_nick (nick, serv);
		}
		if (!sess)
		{
			if (server_notice)	
				sess = serv->server_session;
			else
				sess = serv->front_session;
		}
	}

	if (msg[0] == 1)
	{
		msg++;
		if (!strncmp (msg, "PING", 4))
		{
			inbound_ping_reply (sess, msg + 5, nick);
			return;
		}
	}
	po = strchr (msg, '\001');
	if (po)
		po[0] = 0;

	if (server_notice)
		EMIT_SIGNAL (XP_TE_SERVNOTICE, sess, msg, nick, NULL, NULL, 0);
	else if (ptr)
		EMIT_SIGNAL (XP_TE_CHANNOTICE, sess, nick, to, msg, NULL, 0);
	else
		EMIT_SIGNAL (XP_TE_NOTICE, sess, nick, msg, NULL, NULL, 0);
}

void
inbound_away (server *serv, char *nick, char *msg)
{
	struct away_msg *away = server_away_find_message (serv, nick);
	session *sess = NULL;
	GSList *list;

	if (away && !strcmp (msg, away->message))	/* Seen the msg before? */
	{
		if (prefs.show_away_once && !serv->inside_whois)
			return;
	} else
	{
		server_away_save_message (serv, nick, msg);
	}

	if (prefs.irc_whois_front)
		sess = serv->front_session;
	else
	{
		if (!serv->inside_whois)
			sess = find_session_from_nick (nick, serv);
		if (!sess)
			sess = serv->server_session;
	}

	/* possibly hide the output */
	if (!serv->inside_whois || !serv->skip_next_whois)
		EMIT_SIGNAL (XP_TE_WHOIS5, sess, nick, msg, NULL, NULL, 0);

	list = sess_list;
	while (list)
	{
		sess = list->data;
		if (sess->server == serv)
			userlist_set_away (sess, nick, TRUE);
		list = list->next;
	}
}

int
inbound_nameslist_end (server *serv, char *chan)
{
	session *sess;
	GSList *list;

	if (!strcmp (chan, "*"))
	{
		list = sess_list;
		while (list)
		{
			sess = list->data;
			if (sess->server == serv)
			{
				sess->end_of_names = TRUE;
				sess->ignore_names = FALSE;
			}
			list = list->next;
		}
		return TRUE;
	}
	sess = find_channel (serv, chan);
	if (sess)
	{
		sess->end_of_names = TRUE;
		sess->ignore_names = FALSE;
		return TRUE;
	}
	return FALSE;
}

static gboolean
check_autojoin_channels (server *serv)
{
	char *po;
	session *sess;
	GSList *list = sess_list;
	int i = 0;
	GSList *channels, *keys;

	/* shouldnt really happen, the io tag is destroyed in server.c */
	if (!is_server (serv))
		return FALSE;

	/* send auto join list */
	if (serv->autojoin)
	{
		joinlist_split (serv->autojoin, &channels, &keys);
		serv->p_join_list (serv, channels, keys);
		joinlist_free (channels, keys);

		free (serv->autojoin);
		serv->autojoin = NULL;
	}

	/* this is really only for re-connects when you
    * join channels not in the auto-join list. */
	channels = NULL;
	keys = NULL;
	while (list)
	{
		sess = list->data;
		if (sess->server == serv)
		{
			if (sess->willjoinchannel[0] != 0)
			{
				strcpy (sess->waitchannel, sess->willjoinchannel);
				sess->willjoinchannel[0] = 0;

				po = strchr (sess->waitchannel, ',');
				if (po)
					*po = 0;
				po = strchr (sess->waitchannel, ' ');
				if (po)
					*po = 0;

				channels = g_slist_append (channels, g_strdup (sess->waitchannel));
				keys = g_slist_append (keys, g_strdup (sess->channelkey));
				i++;
			}
		}
		list = list->next;
	}

	if (channels)
	{
		serv->p_join_list (serv, channels, keys);
		joinlist_free (channels, keys);
	}

	serv->joindelay_tag = 0;
	fe_server_event (serv, FE_SE_LOGGEDIN, i);
	return FALSE;
}

void
inbound_next_nick (session *sess, char *nick)
{
	char *newnick;
	server *serv = sess->server;
	ircnet *net;

	serv->nickcount++;

	switch (serv->nickcount)
	{
	case 2:
		newnick = prefs.nick2;
		net = serv->network;
		/* use network specific "Second choice"? */
		if (net && !(net->flags & FLAG_USE_GLOBAL) && net->nick2)
			newnick = net->nick2;
		serv->p_change_nick (serv, newnick);
		EMIT_SIGNAL (XP_TE_NICKCLASH, sess, nick, newnick, NULL, NULL, 0);
		break;

	case 3:
		serv->p_change_nick (serv, prefs.nick3);
		EMIT_SIGNAL (XP_TE_NICKCLASH, sess, nick, prefs.nick3, NULL, NULL, 0);
		break;

	default:
		EMIT_SIGNAL (XP_TE_NICKFAIL, sess, NULL, NULL, NULL, NULL, 0);
	}
}

void
do_dns (session *sess, char *nick, char *host)
{
	char *po;
	char tbuf[1024];

	po = strrchr (host, '@');
	if (po)
		host = po + 1;
	EMIT_SIGNAL (XP_TE_RESOLVINGUSER, sess, nick, host, NULL, NULL, 0);
	snprintf (tbuf, sizeof (tbuf), "exec -d %s %s", prefs.dnsprogram, host);
	handle_command (sess, tbuf, FALSE);
}

static void
set_default_modes (server *serv)
{
	char modes[8];

	modes[0] = '+';
	modes[1] = '\0';

	if (prefs.wallops)
		strcat (modes, "w");
	if (prefs.servernotice)
		strcat (modes, "s");
	if (prefs.invisible)
		strcat (modes, "i");

	if (modes[1] != '\0')
	{
		serv->p_mode (serv, serv->nick, modes);
	}
}

void
inbound_login_start (session *sess, char *nick, char *servname)
{
	inbound_newnick (sess->server, sess->server->nick, nick, TRUE);
	server_set_name (sess->server, servname);
	if (sess->type == SESS_SERVER)
		log_open_or_close (sess);
	/* reset our away status */
	if (sess->server->reconnect_away)
	{
		handle_command (sess->server->server_session, "away", FALSE);
		sess->server->reconnect_away = FALSE;
	}
}

static void
inbound_set_all_away_status (server *serv, char *nick, unsigned int status)
{
	GSList *list;
	session *sess;

	list = sess_list;
	while (list)
	{
		sess = list->data;
		if (sess->server == serv)
			userlist_set_away (sess, nick, status);
		list = list->next;
	}
}

void
inbound_uaway (server *serv)
{
	serv->is_away = TRUE;
	serv->away_time = time (NULL);
	fe_set_away (serv);

	inbound_set_all_away_status (serv, serv->nick, 1);
}

void
inbound_uback (server *serv)
{
	serv->is_away = FALSE;
	serv->reconnect_away = FALSE;
	fe_set_away (serv);

	inbound_set_all_away_status (serv, serv->nick, 0);
}

void
inbound_foundip (session *sess, char *ip)
{
	struct hostent *HostAddr;

	HostAddr = gethostbyname (ip);
	if (HostAddr)
	{
		prefs.dcc_ip = ((struct in_addr *) HostAddr->h_addr)->s_addr;
		EMIT_SIGNAL (XP_TE_FOUNDIP, sess,
						 inet_ntoa (*((struct in_addr *) HostAddr->h_addr)),
						 NULL, NULL, NULL, 0);
	}
}

void
inbound_user_info_start (session *sess, char *nick)
{
	/* set away to FALSE now, 301 may turn it back on */
	inbound_set_all_away_status (sess->server, nick, 0);
}

/* reporting new information found about this user. chan may be NULL.
 * away may be 0xff to indicate UNKNOWN. */

void
inbound_user_info (session *sess, char *chan, char *user, char *host,
						 char *servname, char *nick, char *realname,
						 unsigned int away)
{
	server *serv = sess->server;
	session *who_sess;
	GSList *list;
	char *uhost = NULL;

	if (user && host)
	{
		uhost = g_malloc (strlen (user) + strlen (host) + 2);
		sprintf (uhost, "%s@%s", user, host);
	}

	if (chan)
	{
		who_sess = find_channel (serv, chan);
		if (who_sess)
			userlist_add_hostname (who_sess, nick, uhost, realname, servname, away);
		else
		{
			if (serv->doing_dns && nick && host)
				do_dns (sess, nick, host);
		}
	}
	else
	{
		/* came from WHOIS, not channel specific */
		for (list = sess_list; list; list = list->next)
		{
			sess = list->data;
			if (sess->type == SESS_CHANNEL && sess->server == serv)
			{
				userlist_add_hostname (sess, nick, uhost, realname, servname, away);
			}
		}
	}

	g_free (uhost);
}

int
inbound_banlist (session *sess, time_t stamp, char *chan, char *mask, char *banner, int is_exemption)
{
	char *time_str = ctime (&stamp);
	server *serv = sess->server;

	time_str[19] = 0;	/* get rid of the \n */
	if (stamp == 0)
		time_str = "";

	sess = find_channel (serv, chan);
	if (!sess)
	{
		sess = serv->front_session;
		goto nowindow;
	}

   if (!fe_is_banwindow (sess))
	{
nowindow:
		/* let proto-irc.c do the 'goto def' for exemptions */
		if (is_exemption)
			return FALSE;

		EMIT_SIGNAL (XP_TE_BANLIST, sess, chan, mask, banner, time_str, 0);
		return TRUE;
	}

	fe_add_ban_list (sess, mask, banner, time_str, is_exemption);
	return TRUE;
}

/* execute 1 end-of-motd command */

static int
inbound_exec_eom_cmd (char *str, void *sess)
{
	handle_command (sess, (str[0] == '/') ? str + 1 : str, TRUE);
	return 1;
}

void
inbound_login_end (session *sess, char *text)
{
	server *serv = sess->server;

	if (!serv->end_of_motd)
	{
		if (prefs.ip_from_server && serv->use_who)
		{
			serv->skip_next_userhost = TRUE;
			serv->p_get_ip_uh (serv, serv->nick);	/* sends USERHOST mynick */
		}
		set_default_modes (serv);

		if (serv->network)
		{
			/* there may be more than 1, separated by \n */
			if (((ircnet *)serv->network)->command)
				token_foreach (((ircnet *)serv->network)->command, '\n',
									inbound_exec_eom_cmd, sess);

			/* send nickserv password */
			if (((ircnet *)serv->network)->nickserv)
				serv->p_ns_identify (serv, ((ircnet *)serv->network)->nickserv);
		}

		/* send JOIN now or wait? */
		if (serv->network && ((ircnet *)serv->network)->nickserv &&
			 prefs.irc_join_delay)
			serv->joindelay_tag = fe_timeout_add (prefs.irc_join_delay * 1000,
															  check_autojoin_channels, serv);
		else
			check_autojoin_channels (serv);
		if (serv->supports_watch)
			notify_send_watches (serv);
		serv->end_of_motd = TRUE;
	}
	if (prefs.skipmotd && !serv->motd_skipped)
	{
		serv->motd_skipped = TRUE;
		EMIT_SIGNAL (XP_TE_MOTDSKIP, serv->server_session, NULL, NULL,
						 NULL, NULL, 0);
		return;
	}
	EMIT_SIGNAL (XP_TE_MOTD, serv->server_session, text, NULL,
					 NULL, NULL, 0);
}

void
inbound_identified (server *serv)	/* 'MODE +e MYSELF' on freenode */
{
	if (serv->joindelay_tag)
	{
		/* stop waiting, just auto JOIN now */
		fe_timeout_remove (serv->joindelay_tag);
		serv->joindelay_tag = 0;
		check_autojoin_channels (serv);
	}
}