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NeoStats-NeoIRCd/modules/core/m_kill.c
fishwaldo 12740e2869 /help changed to /ircdhelp
/stats p no longer shows real hostname to normal users
can't kill services or Ulined clients
fix a bug when a server dies, and the ircd tries to send out disconnect messages
2003-03-13 08:49:24 +00:00

383 lines
10 KiB
C

/*
* NeoIRCd: NeoStats Group. Based on Hybird7
* m_kill.c: Kills a user.
*
* Copyright (C) 2002 by the past and present ircd coders, and others.
*
* 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: m_kill.c,v 1.7 2003/03/13 08:49:24 fishwaldo Exp $
*/
#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "hash.h" /* for find_client() */
#include "ircd.h"
#include "numeric.h"
#include "s_log.h"
#include "s_serv.h"
#include "s_conf.h"
#include "send.h"
#include "whowas.h"
#include "irc_string.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
static char buf[BUFSIZE];
static void ms_kill(struct Client*, struct Client*, int, char**);
static void mo_kill(struct Client*, struct Client*, int, char**);
static void relay_kill(struct Client *, struct Client *, struct Client *,
const char *, const char *);
struct Message kill_msgtab = {
"KILL", 0, 0, 2, 0, MFLG_SLOW, 0,
{m_unregistered, m_not_oper, ms_kill, mo_kill}
};
#ifndef STATIC_MODULES
void
_modinit(void)
{
mod_add_cmd(&kill_msgtab);
}
void
_moddeinit(void)
{
mod_del_cmd(&kill_msgtab);
}
const char *_version = "$Revision: 1.7 $";
#endif
/*
** mo_kill
** parv[0] = sender prefix
** parv[1] = kill victim
** parv[2] = kill path
*/
static void
mo_kill(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client* target_p;
const char* inpath = client_p->name;
char* user;
char* reason;
user = parv[1];
reason = parv[2]; /* Either defined or NULL (parc >= 2!!) */
if (!IsOperK(source_p))
{
sendto_one(source_p,":%s NOTICE %s :You need kline = yes;",me.name,parv[0]);
return;
}
if (!BadPtr(reason))
{
if(strlen(reason) > (size_t) KILLLEN)
reason[KILLLEN] = '\0';
}
else
reason = "<No reason given>";
if ((target_p = find_client(user)) == NULL)
{
/*
** If the user has recently changed nick, automatically
** rewrite the KILL for this new nickname--this keeps
** servers in synch when nick change and kill collide
*/
if ((target_p = get_history(user, (long)KILLCHASETIMELIMIT)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
me.name, parv[0], user);
return;
}
sendto_one(source_p,":%s NOTICE %s :KILL changed from %s to %s",
me.name, parv[0], user, target_p->name);
}
if (IsServer(target_p) || IsMe(target_p))
{
sendto_one(source_p, form_str(ERR_CANTKILLSERVER),
me.name, parv[0]);
return;
}
if (!MyConnect(target_p) && (!IsOperGlobalKill(source_p)))
{
sendto_one(source_p, ":%s NOTICE %s :Nick %s isnt on your server",
me.name, parv[0], target_p->name);
return;
}
if (IsServices(target_p) || IsUlined(target_p->servptr)) {
sendto_one(source_p, ":%s NOTICE %s :Cannot kill Services Client", me.name, parv[0]);
return;
}
if(MyConnect(target_p))
sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
source_p->name, source_p->username, source_p->vhost,
target_p->name, reason);
/* Do not change the format of this message. There's no point in changing messages
* that have been around for ever, for no reason.. */
sendto_realops_flags(FLAGS_ALL|FLAGS_REMOTE, L_ALL,
"Received KILL message for %s. From %s Path: %s (%s)",
target_p->name, parv[0], me.name, reason);
ilog(L_INFO,"KILL From %s For %s Path %s (%s)",
parv[0], target_p->name, me.name, reason);
/*
** And pass on the message to other servers. Note, that if KILL
** was changed, the message has to be sent to all links, also
** back.
** Suicide kills are NOT passed on --SRB
*/
if (!MyConnect(target_p))
{
relay_kill(client_p, source_p, target_p, inpath, reason);
/*
** Set FLAGS_KILLED. This prevents exit_one_client from sending
** the unnecessary QUIT for this. (This flag should never be
** set in any other place)
*/
target_p->flags |= FLAGS_KILLED;
}
ircsprintf(buf, "Killed (%s (%s))", source_p->name, reason);
exit_client(client_p, target_p, source_p, buf);
}
/*
* ms_kill
* parv[0] = sender prefix
* parv[1] = kill victim
* parv[2] = kill path and reason
*/
static void
ms_kill(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p;
char *user;
char *reason;
char *path;
int chasing = 0;
*buf = '\0';
if (*parv[1] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "KILL");
return;
}
user = parv[1];
if(BadPtr(parv[2]))
{
reason = "<No reason given>";
/* hyb6 takes the nick of the killer from the path *sigh* --fl_ */
path = source_p->name;
}
else
{
reason = strchr(parv[2], ' ');
if(reason)
{
*reason = '\0';
reason++;
}
else
reason = "<No reason given>";
path = parv[2];
}
if ((target_p = find_client(user)) == NULL)
{
/*
* If the user has recently changed nick, but only if its
* not an uid, automatically rewrite the KILL for this new nickname.
* --this keeps servers in synch when nick change and kill collide
*/
if( (*user == '.') ||
(!(target_p = get_history(user, (long)KILLCHASETIMELIMIT))))
{
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
me.name, parv[0], user);
return;
}
sendto_one(source_p,":%s NOTICE %s :KILL changed from %s to %s",
me.name, parv[0], user, target_p->name);
chasing = 1;
}
if (IsServer(target_p) || IsMe(target_p))
{
sendto_one(source_p, form_str(ERR_CANTKILLSERVER),
me.name, parv[0]);
return;
}
if (IsServices(target_p) || IsUlined(target_p->servptr)) {
sendto_one(source_p, ":%s NOTICE %s :Cannot kill Services Client", me.name, parv[0]);
return;
}
if(MyConnect(target_p))
{
if(IsServer(source_p))
{
/* dont send clients kills from a hidden server */
if(ConfigServerHide.hide_servers && !IsOper(target_p))
sendto_one(target_p, ":%s KILL %s :%s",
me.name, target_p->name, reason);
else
sendto_one(target_p, ":%s KILL %s :%s",
source_p->name, target_p->name, reason);
}
else
sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
source_p->name, source_p->username, source_p->vhost,
target_p->name, reason);
}
/* Be warned, this message must be From %s, or it confuses clients
* so dont change it to From: or the case or anything! -- fl -- db */
/* path must contain at least 2 !'s, or bitchx falsely declares it
* local --fl
*/
if (IsOper(source_p)) /* send it normally */
{
sendto_realops_flags(FLAGS_ALL|FLAGS_REMOTE, L_ALL,
"Received KILL message for %s. From %s Path: %s!%s!%s!%s %s",
target_p->name, parv[0], source_p->user->server,
source_p->host, source_p->username, source_p->name, reason);
}
else
{
sendto_realops_flags(FLAGS_SKILL|FLAGS_REMOTE, L_ALL,
"Received KILL message for %s. From %s %s",
target_p->name, parv[0], reason);
}
ilog(L_INFO,"KILL From %s For %s Path %s %s",
parv[0], target_p->name, parv[0], reason);
relay_kill(client_p, source_p, target_p, path, reason);
/* FLAGS_KILLED prevents a quit being sent out */
SetKilled(target_p);
/* reason comes supplied with its own ()'s */
if(ConfigServerHide.hide_servers && IsServer(source_p))
ircsprintf(buf, "Killed (%s %s)", me.name, reason);
else
ircsprintf(buf, "Killed (%s %s)", source_p->name, reason);
exit_client(client_p, target_p, source_p, buf);
}
static void
relay_kill(struct Client *one, struct Client *source_p,
struct Client *target_p, const char *inpath, const char *reason)
{
dlink_node *ptr;
struct Client *client_p;
int introduce_killed_client;
char* user;
/* LazyLinks:
* Check if each lazylink knows about target_p.
* If it does, send the kill, introducing source_p if required.
* If it doesn't either:
* a) don't send the kill (risk ghosts)
* b) introduce the client (and source_p, if required)
* [rather redundant]
*
* Use a) if IsServer(source_p), but if an oper kills someone,
* ensure we blow away any ghosts.
*
* -davidt
*/
if(IsServer(source_p))
introduce_killed_client = 0;
else
introduce_killed_client = 1;
for( ptr = serv_list.head; ptr; ptr = ptr->next )
{
client_p = (struct Client *) ptr->data;
if( !client_p || client_p == one )
continue;
if( !introduce_killed_client )
{
if( ServerInfo.hub && IsCapable(client_p, CAP_LL) )
{
if(((client_p->localClient->serverMask &
target_p->lazyLinkClientExists) == 0))
{
/* target isn't known to lazy leaf, skip it */
continue;
}
}
}
/* force introduction of killed client but check that
* its not on the server we're bursting too.. */
else if(strcmp(target_p->user->server,client_p->name))
client_burst_if_needed(client_p, target_p);
/* introduce source of kill */
client_burst_if_needed(client_p, source_p);
/* check the server supports UID */
if (IsCapable(client_p, CAP_UID))
user = ID(target_p);
else
user = target_p->name;
if(MyClient(source_p))
{
sendto_one(client_p, ":%s KILL %s :%s!%s!%s!%s (%s)",
source_p->name, user,
me.name, source_p->vhost, source_p->username,
source_p->name, reason);
}
else
{
sendto_one(client_p, ":%s KILL %s :%s %s",
source_p->name, user,
inpath, reason);
}
}
}