elemental-ircd/src/s_gline.c

164 lines
3.8 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* s_gline.c: GLine global ban functions.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox 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
*
* $Id: s_gline.c 254 2005-09-21 23:35:12Z nenolod $
*/
#include "stdinc.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "config.h"
#include "irc_string.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "s_conf.h"
#include "scache.h"
#include "send.h"
#include "msg.h"
#include "s_serv.h"
#include "s_gline.h"
#include "hash.h"
rb_dlink_list glines;
static void expire_glines(void);
static void expire_pending_glines(void);
/* add_gline
*
* inputs - pointer to struct ConfItem
* output - none
* Side effects - links in given struct ConfItem into gline link list
*/
void
add_gline(struct ConfItem *aconf)
{
rb_dlinkAddTailAlloc(aconf, &glines);
add_conf_by_address(aconf->host, CONF_GLINE, aconf->user, aconf);
}
/*
* find_is_glined
* inputs - hostname
* - username
* output - pointer to struct ConfItem if user@host glined
* side effects -
*/
struct ConfItem *
find_is_glined(const char *host, const char *user)
{
rb_dlink_node *gline_node;
struct ConfItem *kill_ptr;
RB_DLINK_FOREACH(gline_node, glines.head)
{
kill_ptr = gline_node->data;
if((kill_ptr->user && (!user || match(kill_ptr->user, user)))
&& (kill_ptr->host && (!host || match(kill_ptr->host, host))))
{
return (kill_ptr);
}
}
return (NULL);
}
/*
* cleanup_glines
*
* inputs - NONE
* output - NONE
* side effects - expire gline lists
* This is an event started off in ircd.c
*/
void
cleanup_glines(void *unused)
{
expire_glines();
expire_pending_glines();
}
/*
* expire_glines
*
* inputs - NONE
* output - NONE
* side effects -
*
* Go through the gline list, expire any needed.
*/
static void
expire_glines()
{
rb_dlink_node *gline_node;
rb_dlink_node *next_node;
struct ConfItem *kill_ptr;
RB_DLINK_FOREACH_SAFE(gline_node, next_node, glines.head)
{
kill_ptr = gline_node->data;
/* these are in chronological order */
if(kill_ptr->hold > rb_current_time())
break;
rb_dlinkDestroy(gline_node, &glines);
delete_one_address_conf(kill_ptr->host, kill_ptr);
}
}
/*
* expire_pending_glines
*
* inputs - NONE
* output - NONE
* side effects -
*
* Go through the pending gline list, expire any that haven't had
* enough "votes" in the time period allowed
*/
static void
expire_pending_glines()
{
rb_dlink_node *pending_node;
rb_dlink_node *next_node;
struct gline_pending *glp_ptr;
RB_DLINK_FOREACH_SAFE(pending_node, next_node, pending_glines.head)
{
glp_ptr = pending_node->data;
if(((glp_ptr->last_gline_time + GLINE_PENDING_EXPIRE) <=
rb_current_time()) || find_is_glined(glp_ptr->host, glp_ptr->user))
{
rb_free(glp_ptr->reason1);
rb_free(glp_ptr->reason2);
rb_free(glp_ptr);
rb_dlinkDestroy(pending_node, &pending_glines);
}
}
}