[irc/rqf/shadowircd.git] / src / extban.c

/*
 *  charybdis: A slightly useful ircd.
 *  extban.c: extended ban types ($type:data)
 *
 * Copyright (C) 2006 charybdis development team
 *
 *  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 "stdinc.h"
#include "channel.h"
#include "client.h"
#include "common.h"

ExtbanFunc extban_table[256] = { NULL };

int
match_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type)
{
	const char *p;
	int invert = 0, result = EXTBAN_INVALID;
	ExtbanFunc f;

	if (*banstr != '$')
		return 0;
	p = banstr + 1;
	if (*p == '~')
	{
		invert = 1;
		p++;
	}
	f = extban_table[(unsigned char) ToLower(*p)];
	if (*p != '\0')
	{
		p++;
		if (*p == ':')
			p++;
		else
			p = NULL;
	}
	if (f != NULL)
		result = f(p, client_p, chptr, mode_type);
	else
		result = EXTBAN_INVALID;

	if (invert)
		return result == EXTBAN_NOMATCH;
	else
		return result == EXTBAN_MATCH;
}

int
valid_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type)
{
	const char *p;
	int result = EXTBAN_INVALID;
	ExtbanFunc f;

	if (*banstr != '$')
		return 0;
	p = banstr + 1;
	if (*p == '~')
		p++;
	f = extban_table[(unsigned char) ToLower(*p)];
	if (*p != '\0')
	{
		p++;
		if (*p == ':')
			p++;
		else
			p = NULL;
	}
	if (f != NULL)
		result = f(p, client_p, chptr, mode_type);
	else
		result = EXTBAN_INVALID;

	return result != EXTBAN_INVALID;
}

const char *
get_extban_string(void)
{
	static char e[256];
	int i, j;

	j = 0;
	for (i = 1; i < 256; i++)
		if (i == ToLower(i) && extban_table[i])
			e[j++] = i;
	e[j] = 0;
	return e;
}
Commit	Line	Data
212380e3	1	/*
	2	* charybdis: A slightly useful ircd.
	3	* extban.c: extended ban types ($type:data)
	4	*
	5	* Copyright (C) 2006 charybdis development team
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	20	* USA
	21	*
212380e3	22	*/
	23
	24	#include "stdinc.h"
212380e3	25	#include "channel.h"
	26	#include "client.h"
	27	#include "common.h"
	28
	29	ExtbanFunc extban_table[256] = { NULL };
	30
	31	int
	32	match_extban(const char banstr, struct Client client_p, struct Channel *chptr, long mode_type)
	33	{
	34	const char *p;
	35	int invert = 0, result = EXTBAN_INVALID;
	36	ExtbanFunc f;
	37
	38	if (*banstr != '$')
	39	return 0;
	40	p = banstr + 1;
	41	if (*p == '~')
	42	{
	43	invert = 1;
	44	p++;
	45	}
	46	f = extban_table[(unsigned char) ToLower(*p)];
	47	if (*p != '\0')
	48	{
	49	p++;
	50	if (*p == ':')
	51	p++;
	52	else
	53	p = NULL;
	54	}
	55	if (f != NULL)
	56	result = f(p, client_p, chptr, mode_type);
	57	else
	58	result = EXTBAN_INVALID;
	59
	60	if (invert)
	61	return result == EXTBAN_NOMATCH;
	62	else
	63	return result == EXTBAN_MATCH;
	64	}
	65
	66	int
	67	valid_extban(const char banstr, struct Client client_p, struct Channel *chptr, long mode_type)
	68	{
	69	const char *p;
628eee00	70	int result = EXTBAN_INVALID;
212380e3	71	ExtbanFunc f;
	72
	73	if (*banstr != '$')
	74	return 0;
	75	p = banstr + 1;
	76	if (*p == '~')
212380e3	77	p++;
212380e3	78	f = extban_table[(unsigned char) ToLower(*p)];
	79	if (*p != '\0')
	80	{
	81	p++;
	82	if (*p == ':')
	83	p++;
	84	else
	85	p = NULL;
	86	}
	87	if (f != NULL)
	88	result = f(p, client_p, chptr, mode_type);
	89	else
	90	result = EXTBAN_INVALID;
	91
	92	return result != EXTBAN_INVALID;
	93	}
	94
	95	const char *
	96	get_extban_string(void)
	97	{
	98	static char e[256];
	99	int i, j;
	100
	101	j = 0;
	102	for (i = 1; i < 256; i++)
	103	if (i == ToLower(i) && extban_table[i])
	104	e[j++] = i;
	105	e[j] = 0;
	106	return e;
	107	}