summary refs log tree commit diff stats
path: root/src/common/ignore.c
blob: 045224ba30cb716cccada05b5332c72d9f0abb03 (plain) (blame)
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
/* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

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

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

#include "hexchat.h"
#include "ignore.h"
#include "cfgfiles.h"
#include "fe.h"
#include "text.h"
#include "util.h"
#include "hexchatc.h"
#include "typedef.h"


int ignored_ctcp = 0;			  /* keep a count of all we ignore */
int ignored_priv = 0;
int ignored_chan = 0;
int ignored_noti = 0;
int ignored_invi = 0;
static int ignored_total = 0;

/* ignore_exists ():
 * returns: struct ig, if this mask is in the ignore list already
 *          NULL, otherwise
 */
struct ignore *
ignore_exists (char *mask)
{
	struct ignore *ig = 0;
	GSList *list;

	list = ignore_list;
	while (list)
	{
		ig = (struct ignore *) list->data;
		if (!rfc_casecmp (ig->mask, mask))
			return ig;
		list = list->next;
	}
	return NULL;

}

/* ignore_add(...)

 * returns:
 *            0 fail
 *            1 success
 *            2 success (old ignore has been changed)
 */

int
ignore_add (char *mask, int type, gboolean overwrite)
{
	struct ignore *ig = 0;
	int change_only = FALSE;

	/* first check if it's already ignored */
	ig = ignore_exists (mask);
	if (ig)
		change_only = TRUE;

	if (!change_only)
		ig = malloc (sizeof (struct ignore));

	if (!ig)
		return 0;

	ig->mask = strdup (mask);

	if (!overwrite && change_only)
		ig->type |= type;
	else
		ig->type = type;

	if (!change_only)
		ignore_list = g_slist_prepend (ignore_list, ig);
	fe_ignore_update (1);

	if (change_only)
		return 2;

	return 1;
}

void
ignore_showlist (session *sess)
{
	struct ignore *ig;
	GSList *list = ignore_list;
	char tbuf[256];
	int i = 0;

	EMIT_SIGNAL (XP_TE_IGNOREHEADER, sess, 0, 0, 0, 0, 0);

	while (list)
	{
		ig = list->data;
		i++;

		snprintf (tbuf, sizeof (tbuf), " %-25s ", ig->mask);
		if (ig->type & IG_PRIV)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_NOTI)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_CHAN)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_CTCP)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_DCC)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_INVI)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		if (ig->type & IG_UNIG)
			strcat (tbuf, _("YES  "));
		else
			strcat (tbuf, _("NO   "));
		strcat (tbuf, "\n");
		PrintText (sess, tbuf);
		/*EMIT_SIGNAL (XP_TE_IGNORELIST, sess, ig->mask, 0, 0, 0, 0); */
		/* use this later, when TE's support 7 args */
		list = list->next;
	}

	if (!i)
		EMIT_SIGNAL (XP_TE_IGNOREEMPTY, sess, 0, 0, 0, 0, 0);

	EMIT_SIGNAL (XP_TE_IGNOREFOOTER, sess, 0, 0, 0, 0, 0);
}

/* ignore_del()

 * one of the args must be NULL, use mask OR *ig, not both
 *
 */

int
ignore_del (char *mask, struct ignore *ig)
{
	if (!ig)
	{
		GSList *list = ignore_list;

		while (list)
		{
			ig = (struct ignore *) list->data;
			if (!rfc_casecmp (ig->mask, mask))
				break;
			list = list->next;
			ig = 0;
		}
	}
	if (ig)
	{
		ignore_list = g_slist_remove (ignore_list, ig);
		free (ig->mask);
		free (ig);
		fe_ignore_update (1);
		return TRUE;
	}
	return FALSE;
}

/* check if a msg should be ignored by browsing our ignore list */

int
ignore_check (char *host, int type)
{
	struct ignore *ig;
	GSList *list = ignore_list;

	/* check if there's an UNIGNORE first, they take precendance. */
	while (list)
	{
		ig = (struct ignore *) list->data;
		if (ig->type & IG_UNIG)
		{
			if (ig->type & type)
			{
				if (match (ig->mask, host))
					return FALSE;
			}
		}
		list = list->next;
	}

	list = ignore_list;
	while (list)
	{
		ig = (struct ignore *) list->data;

		if (ig->type & type)
		{
			if (match (ig->mask, host))
			{
				ignored_total++;
				if (type & IG_PRIV)
					ignored_priv++;
				if (type & IG_NOTI)
					ignored_noti++;
				if (type & IG_CHAN)
					ignored_chan++;
				if (type & IG_CTCP)
					ignored_ctcp++;
				if (type & IG_INVI)
					ignored_invi++;
				fe_ignore_update (2);
				return TRUE;
			}
		}
		list = list->next;
	}

	return FALSE;
}

static char *
ignore_read_next_entry (char *my_cfg, struct ignore *ignore)
{
	char tbuf[1024];

	/* Casting to char * done below just to satisfy compiler */

	if (my_cfg)
	{
		my_cfg = cfg_get_str (my_cfg, "mask", tbuf, sizeof (tbuf));
		if (!my_cfg)
			return NULL;
		ignore->mask = strdup (tbuf);
	}
	if (my_cfg)
	{
		my_cfg = cfg_get_str (my_cfg, "type", tbuf, sizeof (tbuf));
		ignore->type = atoi (tbuf);
	}
	return my_cfg;
}

void
ignore_load ()
{
	struct ignore *ignore;
	struct stat st;
	char *cfg, *my_cfg;
	int fh, i;

	fh = hexchat_open_file ("ignore.conf", O_RDONLY, 0, 0);
	if (fh != -1)
	{
		fstat (fh, &st);
		if (st.st_size)
		{
			cfg = malloc (st.st_size + 1);
			cfg[0] = '\0';
			i = read (fh, cfg, st.st_size);
			if (i >= 0)
				cfg[i] = '\0';
			my_cfg = cfg;
			while (my_cfg)
			{
				ignore = malloc (sizeof (struct ignore));
				memset (ignore, 0, sizeof (struct ignore));
				if ((my_cfg = ignore_read_next_entry (my_cfg, ignore)))
					ignore_list = g_slist_prepend (ignore_list, ignore);
				else
					free (ignore);
			}
			free (cfg);
		}
		close (fh);
	}
}

void
ignore_save ()
{
	char buf[1024];
	int fh;
	GSList *temp = ignore_list;
	struct ignore *ig;

	fh = hexchat_open_file ("ignore.conf", O_TRUNC | O_WRONLY | O_CREAT, 0600, XOF_DOMODE);
	if (fh != -1)
	{
		while (temp)
		{
			ig = (struct ignore *) temp->data;
			if (!(ig->type & IG_NOSAVE))
			{
				snprintf (buf, sizeof (buf), "mask = %s\ntype = %u\n\n",
							 ig->mask, ig->type);
				write (fh, buf, strlen (buf));
			}
			temp = temp->next;
		}
		close (fh);
	}

}

static gboolean
flood_autodialog_timeout (gpointer data)
{
	prefs.hex_gui_autoopen_dialog = 1;
	return FALSE;
}

int
flood_check (char *nick, char *ip, server *serv, session *sess, int what)	/*0=ctcp  1=priv */
{
	/*
	   serv
	   int ctcp_counter; 
	   time_t ctcp_last_time;
	   prefs
	   unsigned int ctcp_number_limit;
	   unsigned int ctcp_time_limit;
	 */
	char buf[512];
	char real_ip[132];
	int i;
	time_t current_time;
	current_time = time (NULL);

	if (what == 0)
	{
		if (serv->ctcp_last_time == 0)	/*first ctcp in this server */
		{
			serv->ctcp_last_time = time (NULL);
			serv->ctcp_counter++;
		} else
		{
			if (difftime (current_time, serv->ctcp_last_time) < prefs.hex_flood_ctcp_time)	/*if we got the ctcp in the seconds limit */
			{
				serv->ctcp_counter++;
				if (serv->ctcp_counter == prefs.hex_flood_ctcp_num)	/*if we reached the maximun numbers of ctcp in the seconds limits */
				{
					serv->ctcp_last_time = current_time;	/*we got the flood, restore all the vars for next one */
					serv->ctcp_counter = 0;
					for (i = 0; i < 128; i++)
						if (ip[i] == '@')
							break;
					snprintf (real_ip, sizeof (real_ip), "*!*%s", &ip[i]);

					snprintf (buf, sizeof (buf),
								 _("You are being CTCP flooded from %s, ignoring %s\n"),
								 nick, real_ip);
					PrintText (sess, buf);

					/* ignore CTCP */
					ignore_add (real_ip, IG_CTCP, FALSE);
					return 0;
				}
			}
		}
	} else
	{
		if (serv->msg_last_time == 0)
		{
			serv->msg_last_time = time (NULL);
			serv->ctcp_counter++;
		} else
		{
			if (difftime (current_time, serv->msg_last_time) <
				 prefs.hex_flood_msg_time)
			{
				serv->msg_counter++;
				if (serv->msg_counter == prefs.hex_flood_msg_num)	/*if we reached the maximun numbers of ctcp in the seconds limits */
				{
					snprintf (buf, sizeof (buf),
					 _("You are being MSG flooded from %s, setting gui_autoopen_dialog OFF.\n"),
								 ip);
					PrintText (sess, buf);
					serv->msg_last_time = current_time;	/*we got the flood, restore all the vars for next one */
					serv->msg_counter = 0;

					if (prefs.hex_gui_autoopen_dialog)
					{
						prefs.hex_gui_autoopen_dialog = 0;
						/* turn it back on in 30 secs */
						fe_timeout_add (30000, flood_autodialog_timeout, NULL);
					}
					return 0;
				}
			}
		}
	}
	return 1;
}