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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 2001-2014 ircd-hybrid 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
*/
/*! \file resv.c
* \brief Functions to reserve(jupe) a nick/channel.
* \version $Id$
*/
#include "stdinc.h"
#include "list.h"
#include "ircd.h"
#include "send.h"
#include "client.h"
#include "memory.h"
#include "numeric.h"
#include "resv.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd_defs.h"
#include "s_misc.h"
#include "conf.h"
#include "conf_db.h"
#include "channel.h"
#include "hostmask.h"
/* create_resv()
*
* inputs - name of nick to create resv for
* - reason for resv
* - 1 if from ircd.conf, 0 if from elsewhere
* output - pointer to struct ResvNick
* side effects -
*/
struct MaskItem *
create_resv(const char *name, const char *reason, const dlink_list *list)
{
dlink_node *ptr = NULL;
struct MaskItem *conf = NULL;
enum maskitem_type type;
if (name == NULL || reason == NULL)
return NULL;
if (IsChanPrefix(*name))
type = CONF_CRESV;
else
type = CONF_NRESV;
if (find_exact_name_conf(type, NULL, name, NULL, NULL))
return NULL;
conf = conf_make(type);
conf->name = xstrdup(name);
conf->reason = xstrndup(reason, IRCD_MIN(strlen(reason), REASONLEN));
if (list)
{
DLINK_FOREACH(ptr, list->head)
{
char nick[NICKLEN + 1];
char user[USERLEN + 1];
char host[HOSTLEN + 1];
struct split_nuh_item nuh;
struct exempt *exptr = NULL;
char *s = ptr->data;
if (strlen(s) == 2 && IsAlpha(*(s + 1) && IsAlpha(*(s + 2))))
{
#ifdef HAVE_LIBGEOIP
exptr = MyMalloc(sizeof(*exptr));
exptr->name = xstrdup(s);
exptr->coid = GeoIP_id_by_code(s);
dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
#endif
}
else
{
nuh.nuhmask = s;
nuh.nickptr = nick;
nuh.userptr = user;
nuh.hostptr = host;
nuh.nicksize = sizeof(nick);
nuh.usersize = sizeof(user);
nuh.hostsize = sizeof(host);
split_nuh(&nuh);
exptr = MyMalloc(sizeof(*exptr));
exptr->name = xstrdup(nick);
exptr->user = xstrdup(user);
exptr->host = xstrdup(host);
exptr->type = parse_netmask(host, &exptr->addr, &exptr->bits);
dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
}
}
}
return conf;
}
int
resv_find_exempt(const struct Client *who, const struct MaskItem *conf)
{
const dlink_node *ptr = NULL;
DLINK_FOREACH(ptr, conf->exempt_list.head)
{
const struct exempt *exptr = ptr->data;
if (exptr->coid)
{
if (exptr->coid == who->localClient->country_id)
return 1;
}
else if (!match(exptr->name, who->name) && !match(exptr->user, who->username))
{
switch (exptr->type)
{
case HM_HOST:
if (!match(exptr->host, who->host) || !match(exptr->host, who->sockhost))
return 1;
break;
case HM_IPV4:
if (who->localClient->aftype == AF_INET)
if (match_ipv4(&who->localClient->ip, &exptr->addr, exptr->bits))
return 1;
break;
#ifdef IPV6
case HM_IPV6:
if (who->localClient->aftype == AF_INET6)
if (match_ipv6(&who->localClient->ip, &exptr->addr, exptr->bits))
return 1;
break;
#endif
default:
assert(0);
}
}
}
return 0;
}
/* match_find_resv()
*
* inputs - pointer to name
* output - pointer to a struct ResvChannel
* side effects - Finds a reserved channel whose name matches 'name',
* if can't find one returns NULL.
*/
struct MaskItem *
match_find_resv(const char *name)
{
dlink_node *ptr = NULL;
if (EmptyString(name))
return NULL;
DLINK_FOREACH(ptr, cresv_items.head)
{
struct MaskItem *conf = ptr->data;
if (!match(conf->name, name))
return conf;
}
return NULL;
}
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