340 lines
6.6 KiB
C
340 lines
6.6 KiB
C
/*
|
|
* ircd-ratbox: A slightly useful ircd.
|
|
* class.c: Controls connection classes.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "stdinc.h"
|
|
#include "defaults.h"
|
|
|
|
#include "class.h"
|
|
#include "client.h"
|
|
#include "ircd.h"
|
|
#include "numeric.h"
|
|
#include "s_conf.h"
|
|
#include "s_newconf.h"
|
|
#include "send.h"
|
|
#include "match.h"
|
|
|
|
#define BAD_PING -2
|
|
|
|
rb_dlink_list class_list;
|
|
struct Class *default_class;
|
|
|
|
struct Class *
|
|
make_class(void)
|
|
{
|
|
struct Class *tmp;
|
|
|
|
tmp = rb_malloc(sizeof(struct Class));
|
|
|
|
ConFreq(tmp) = DEFAULT_CONNECTFREQUENCY;
|
|
PingFreq(tmp) = DEFAULT_PINGFREQUENCY;
|
|
MaxUsers(tmp) = 1;
|
|
MaxSendq(tmp) = DEFAULT_SENDQ;
|
|
|
|
tmp->ip_limits = rb_new_patricia(PATRICIA_BITS);
|
|
return tmp;
|
|
}
|
|
|
|
void
|
|
free_class(struct Class *tmp)
|
|
{
|
|
if(tmp->ip_limits)
|
|
rb_destroy_patricia(tmp->ip_limits, NULL);
|
|
|
|
rb_free(tmp->class_name);
|
|
rb_free(tmp);
|
|
|
|
}
|
|
|
|
/*
|
|
* get_conf_ping
|
|
*
|
|
* inputs - pointer to struct ConfItem
|
|
* output - ping frequency
|
|
* side effects - NONE
|
|
*/
|
|
static int
|
|
get_conf_ping(struct ConfItem *aconf)
|
|
{
|
|
if((aconf) && ClassPtr(aconf))
|
|
return (ConfPingFreq(aconf));
|
|
|
|
return (BAD_PING);
|
|
}
|
|
|
|
/*
|
|
* get_client_class
|
|
*
|
|
* inputs - pointer to client struct
|
|
* output - pointer to name of class
|
|
* side effects - NONE
|
|
*/
|
|
const char *
|
|
get_client_class(struct Client *target_p)
|
|
{
|
|
const char *retc = "unknown";
|
|
|
|
if(target_p == NULL || IsMe(target_p))
|
|
return retc;
|
|
|
|
if(IsServer(target_p))
|
|
{
|
|
struct server_conf *server_p = target_p->localClient->att_sconf;
|
|
return server_p->class_name;
|
|
}
|
|
else
|
|
{
|
|
struct ConfItem *aconf;
|
|
aconf = target_p->localClient->att_conf;
|
|
|
|
if((aconf == NULL) || (aconf->className == NULL))
|
|
retc = "default";
|
|
else
|
|
retc = aconf->className;
|
|
}
|
|
|
|
return (retc);
|
|
}
|
|
|
|
/*
|
|
* get_client_ping
|
|
*
|
|
* inputs - pointer to client struct
|
|
* output - ping frequency
|
|
* side effects - NONE
|
|
*/
|
|
int
|
|
get_client_ping(struct Client *target_p)
|
|
{
|
|
int ping = 0;
|
|
|
|
if(IsServer(target_p))
|
|
{
|
|
struct server_conf *server_p = target_p->localClient->att_sconf;
|
|
ping = PingFreq(server_p->class);
|
|
}
|
|
else
|
|
{
|
|
struct ConfItem *aconf;
|
|
|
|
aconf = target_p->localClient->att_conf;
|
|
|
|
if(aconf != NULL)
|
|
ping = get_conf_ping(aconf);
|
|
else
|
|
ping = DEFAULT_PINGFREQUENCY;
|
|
}
|
|
|
|
if(ping <= 0)
|
|
ping = DEFAULT_PINGFREQUENCY;
|
|
|
|
return ping;
|
|
}
|
|
|
|
/*
|
|
* get_con_freq
|
|
*
|
|
* inputs - pointer to class struct
|
|
* output - connection frequency
|
|
* side effects - NONE
|
|
*/
|
|
int
|
|
get_con_freq(struct Class *clptr)
|
|
{
|
|
if(clptr)
|
|
return (ConFreq(clptr));
|
|
return (DEFAULT_CONNECTFREQUENCY);
|
|
}
|
|
|
|
/* add_class()
|
|
*
|
|
* input - class to add
|
|
* output -
|
|
* side effects - class is added to class_list if new, else old class
|
|
* is updated with new values.
|
|
*/
|
|
void
|
|
add_class(struct Class *classptr)
|
|
{
|
|
struct Class *tmpptr;
|
|
|
|
tmpptr = find_class(classptr->class_name);
|
|
|
|
if(tmpptr == default_class)
|
|
{
|
|
rb_dlinkAddAlloc(classptr, &class_list);
|
|
CurrUsers(classptr) = 0;
|
|
}
|
|
else
|
|
{
|
|
MaxUsers(tmpptr) = MaxUsers(classptr);
|
|
MaxLocal(tmpptr) = MaxLocal(classptr);
|
|
MaxGlobal(tmpptr) = MaxGlobal(classptr);
|
|
MaxIdent(tmpptr) = MaxIdent(classptr);
|
|
PingFreq(tmpptr) = PingFreq(classptr);
|
|
MaxSendq(tmpptr) = MaxSendq(classptr);
|
|
ConFreq(tmpptr) = ConFreq(classptr);
|
|
CidrIpv4Bitlen(tmpptr) = CidrIpv4Bitlen(classptr);
|
|
CidrIpv6Bitlen(tmpptr) = CidrIpv6Bitlen(classptr);
|
|
CidrAmount(tmpptr) = CidrAmount(classptr);
|
|
|
|
free_class(classptr);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* find_class
|
|
*
|
|
* inputs - string name of class
|
|
* output - corresponding class pointer
|
|
* side effects - NONE
|
|
*/
|
|
struct Class *
|
|
find_class(const char *classname)
|
|
{
|
|
struct Class *cltmp;
|
|
rb_dlink_node *ptr;
|
|
|
|
if(classname == NULL)
|
|
return default_class;
|
|
|
|
RB_DLINK_FOREACH(ptr, class_list.head)
|
|
{
|
|
cltmp = ptr->data;
|
|
|
|
if(!strcmp(ClassName(cltmp), classname))
|
|
return cltmp;
|
|
}
|
|
|
|
return default_class;
|
|
}
|
|
|
|
/*
|
|
* check_class
|
|
*
|
|
* inputs - NONE
|
|
* output - NONE
|
|
* side effects -
|
|
*/
|
|
void
|
|
check_class()
|
|
{
|
|
struct Class *cltmp;
|
|
rb_dlink_node *ptr;
|
|
rb_dlink_node *next_ptr;
|
|
|
|
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, class_list.head)
|
|
{
|
|
cltmp = ptr->data;
|
|
|
|
if(MaxUsers(cltmp) < 0)
|
|
{
|
|
rb_dlinkDestroy(ptr, &class_list);
|
|
if(CurrUsers(cltmp) <= 0)
|
|
free_class(cltmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* initclass
|
|
*
|
|
* inputs - NONE
|
|
* output - NONE
|
|
* side effects -
|
|
*/
|
|
void
|
|
initclass()
|
|
{
|
|
default_class = make_class();
|
|
ClassName(default_class) = rb_strdup("default");
|
|
}
|
|
|
|
/*
|
|
* report_classes
|
|
*
|
|
* inputs - pointer to client to report to
|
|
* output - NONE
|
|
* side effects - class report is done to this client
|
|
*/
|
|
void
|
|
report_classes(struct Client *source_p)
|
|
{
|
|
struct Class *cltmp;
|
|
rb_dlink_node *ptr;
|
|
|
|
RB_DLINK_FOREACH(ptr, class_list.head)
|
|
{
|
|
cltmp = ptr->data;
|
|
|
|
sendto_one_numeric(source_p, RPL_STATSYLINE,
|
|
form_str(RPL_STATSYLINE),
|
|
ClassName(cltmp), PingFreq(cltmp),
|
|
ConFreq(cltmp), MaxUsers(cltmp),
|
|
MaxSendq(cltmp),
|
|
MaxLocal(cltmp), MaxIdent(cltmp),
|
|
MaxGlobal(cltmp), MaxIdent(cltmp),
|
|
CurrUsers(cltmp));
|
|
}
|
|
|
|
/* also output the default class */
|
|
sendto_one_numeric(source_p, RPL_STATSYLINE, form_str(RPL_STATSYLINE),
|
|
ClassName(default_class), PingFreq(default_class),
|
|
ConFreq(default_class), MaxUsers(default_class),
|
|
MaxSendq(default_class),
|
|
MaxLocal(default_class), MaxIdent(default_class),
|
|
MaxGlobal(default_class), MaxIdent(default_class),
|
|
CurrUsers(default_class));
|
|
}
|
|
|
|
/*
|
|
* get_sendq
|
|
*
|
|
* inputs - pointer to client
|
|
* output - sendq for this client as found from its class
|
|
* side effects - NONE
|
|
*/
|
|
long
|
|
get_sendq(struct Client *client_p)
|
|
{
|
|
if(client_p == NULL || IsMe(client_p))
|
|
return DEFAULT_SENDQ;
|
|
|
|
if(IsServer(client_p))
|
|
{
|
|
struct server_conf *server_p;
|
|
server_p = client_p->localClient->att_sconf;
|
|
return MaxSendq(server_p->class);
|
|
}
|
|
else
|
|
{
|
|
struct ConfItem *aconf = client_p->localClient->att_conf;
|
|
|
|
if(aconf != NULL && aconf->status & CONF_CLIENT)
|
|
return ConfMaxSendq(aconf);
|
|
}
|
|
|
|
return DEFAULT_SENDQ;
|
|
}
|