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elemental-ircd/modules/core/m_kill.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_kill.c: Kills a user.
*
* 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 "client.h"
#include "hash.h" /* for find_client() */
#include "ircd.h"
#include "numeric.h"
#include "logger.h"
#include "s_serv.h"
#include "s_conf.h"
#include "send.h"
#include "whowas.h"
#include "match.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_newconf.h"
static char buf[BUFSIZE];
static int ms_kill(struct Client *, struct Client *, int, const char **);
static int mo_kill(struct Client *, struct Client *, int, const char **);
static void relay_kill(struct Client *, struct Client *, struct Client *,
const char *, const char *);
struct Message kill_msgtab = {
"KILL", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_not_oper, {ms_kill, 2}, {ms_kill, 2}, mg_ignore, {mo_kill, 2}}
};
mapi_clist_av1 kill_clist[] = { &kill_msgtab, NULL };
DECLARE_MODULE_AV1(kill, NULL, NULL, kill_clist, NULL, NULL, "$Revision: 3408 $");
/*
** mo_kill
** parv[1] = kill victim
** parv[2] = kill path
*/
static int
mo_kill(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *inpath = client_p->name;
const char *user;
const char *reason;
user = parv[1];
if(!IsOperLocalKill(source_p)) {
sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "local_kill");
return 0;
}
if(!EmptyString(parv[2])) {
char *s;
s = LOCAL_COPY(parv[2]);
if(strlen(s) > (size_t) KILLLEN)
s[KILLLEN] = '\0';
reason = s;
} else
reason = "<No reason given>";
if((target_p = find_named_person(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) {
if (strchr(user, '.'))
sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER));
else
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), user);
return 0;
}
sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name);
}
if(!MyConnect(target_p) && (!IsOperGlobalKill(source_p))) {
sendto_one_notice(source_p, ":Nick %s is not on your server "
"and you do not have the global_kill flag",
target_p->name);
return 0;
}
if(MyConnect(target_p))
sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
source_p->name, source_p->username, source_p->host,
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_snomask(SNO_GENERAL, L_ALL,
"Received KILL message for %s!%s@%s. From %s Path: %s (%s)",
target_p->name, target_p->username, target_p->orighost,
source_p->name, me.name, reason);
ilog(L_KILL, "%c %s %s!%s@%s %s %s",
MyConnect(target_p) ? 'L' : 'G', get_oper_name(source_p),
target_p->name, target_p->username, target_p->host, target_p->servptr->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;
}
sprintf(buf, "Killed (%s (%s))", source_p->name, reason);
exit_client(client_p, target_p, source_p, buf);
return 0;
}
/*
* ms_kill
* parv[1] = kill victim
* parv[2] = kill path and reason
*/
static int
ms_kill(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *user;
const char *reason;
char default_reason[] = "<No reason given>";
const char *path;
int chasing = 0;
*buf = '\0';
user = parv[1];
if(EmptyString(parv[2])) {
reason = default_reason;
/* hyb6 takes the nick of the killer from the path *sigh* --fl_ */
path = source_p->name;
} else {
char *s = LOCAL_COPY(parv[2]), *t;
t = strchr(s, ' ');
if(t) {
*t = '\0';
t++;
reason = t;
} else
reason = default_reason;
path = s;
}
if((target_p = find_person(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(IsDigit(*user) || (!(target_p = get_history(user, (long) KILLCHASETIMELIMIT)))) {
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), IsDigit(*user) ? "*" : user);
return 0;
}
sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name);
chasing = 1;
}
if(IsServer(target_p) || IsMe(target_p)) {
sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER));
return 0;
}
if(MyConnect(target_p)) {
if(IsServer(source_p)) {
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->host,
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_snomask(IsService(source_p) ? SNO_SKILL : SNO_GENERAL, L_ALL,
"Received KILL message for %s!%s@%s. From %s Path: %s!%s!%s!%s %s",
target_p->name, target_p->username, target_p->orighost, source_p->name,
source_p->servptr->name, source_p->host, source_p->username,
source_p->name, reason);
ilog(L_KILL, "%c %s %s!%s@%s %s %s",
MyConnect(target_p) ? 'O' : 'R', get_oper_name(source_p),
target_p->name, target_p->username, target_p->host,
target_p->servptr->name, reason);
} else {
sendto_realops_snomask(SNO_SKILL, L_ALL,
"Received KILL message for %s!%s@%s. From %s %s",
target_p->name, target_p->username, target_p->orighost,
source_p->name, reason);
ilog(L_KILL, "S %s %s!%s@%s %s %s",
source_p->name, target_p->name, target_p->username,
target_p->host, target_p->servptr->name, reason);
}
relay_kill(client_p, source_p, target_p, path, reason);
/* FLAGS_KILLED prevents a quit being sent out */
target_p->flags |= FLAGS_KILLED;
sprintf(buf, "Killed (%s %s)", source_p->name, reason);
exit_client(client_p, target_p, source_p, buf);
return 0;
}
static void
relay_kill(struct Client *one, struct Client *source_p,
struct Client *target_p, const char *inpath, const char *reason)
{
struct Client *client_p;
rb_dlink_node *ptr;
char buffer[BUFSIZE];
if(MyClient(source_p))
snprintf(buffer, sizeof(buffer),
"%s!%s!%s!%s (%s)",
me.name, source_p->host, source_p->username, source_p->name, reason);
else
snprintf(buffer, sizeof(buffer), "%s %s", inpath, reason);
RB_DLINK_FOREACH(ptr, serv_list.head) {
client_p = ptr->data;
if(!client_p || client_p == one)
continue;
sendto_one(client_p, ":%s KILL %s :%s",
get_id(source_p, client_p), get_id(target_p, client_p), buffer);
}
}
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