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construct/include/blacklist.h
Elizabeth Myers 3c93d380e0 Add support for multiple forms of blacklist queries using matches.
It supports both literal and last octet matches from the dnsbl.
If matches is not present, the old behaviour is used.
2013-04-20 20:49:11 -05:00

69 lines
2.1 KiB
C

/*
* charybdis: A slightly useful ircd.
* blacklist.h: Manages DNS blacklist entries and lookups
*
* 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
*
*/
#ifndef _BLACKLIST_H_
#define _BLACKLIST_H_
#include "stdinc.h"
#define BLACKLIST_FILTER_ALL 1
#define BLACKLIST_FILTER_LAST 2
/* A configured DNSBL */
struct Blacklist {
unsigned int status; /* If CONF_ILLEGAL, delete when no clients */
int refcount;
int ipv4; /* Does this blacklist support IPv4 lookups? */
int ipv6; /* Does this blacklist support IPv6 lookups? */
char host[IRCD_RES_HOSTLEN + 1];
rb_dlink_list filters; /* Filters for queries */
char reject_reason[IRCD_BUFSIZE];
unsigned int hits;
time_t lastwarning;
};
/* A lookup in progress for a particular DNSBL for a particular client */
struct BlacklistClient {
struct Blacklist *blacklist;
struct Client *client_p;
struct DNSQuery dns_query;
rb_dlink_node node;
};
/* A blacklist filter */
struct BlacklistFilter {
int type; /* Type of filter */
char filterstr[HOSTIPLEN]; /* The filter itself */
rb_dlink_node node;
};
/* public interfaces */
struct Blacklist *new_blacklist(char *host, char *reject_reason, int ipv4, int ipv6, rb_dlink_list *filters);
void lookup_blacklists(struct Client *client_p);
void abort_blacklist_queries(struct Client *client_p);
void unref_blacklist(struct Blacklist *blptr);
void destroy_blacklists(void);
extern rb_dlink_list blacklist_list;
#endif