317 lines
8.8 KiB
C
317 lines
8.8 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_kill.c: Kills a user.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "hash.h" /* for find_client() */
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#include "ircd.h"
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#include "numeric.h"
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#include "logger.h"
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#include "s_serv.h"
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#include "s_conf.h"
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#include "send.h"
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#include "whowas.h"
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#include "match.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "s_newconf.h"
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static int h_can_kill;
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static char buf[BUFSIZE];
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static int ms_kill(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static int mo_kill(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void relay_kill(struct Client *, struct Client *, struct Client *,
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const char *, const char *);
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struct Message kill_msgtab = {
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"KILL", 0, 0, 0, 0,
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{mg_unreg, mg_not_oper, {ms_kill, 2}, {ms_kill, 2}, mg_ignore, {mo_kill, 2}}
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};
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mapi_clist_av1 kill_clist[] = { &kill_msgtab, NULL };
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mapi_hlist_av1 kill_hlist[] = {
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{ "can_kill", &h_can_kill },
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{ NULL, NULL},
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};
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DECLARE_MODULE_AV1(kill, NULL, NULL, kill_clist, kill_hlist, NULL, "$Revision: 3408 $");
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/*
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** mo_kill
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** parv[1] = kill victim
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** parv[2] = kill path
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*/
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static int
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mo_kill(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct Client *target_p;
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const char *inpath = client_p->name;
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const char *user;
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const char *reason;
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hook_data_client_approval moduledata;
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user = parv[1];
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if(!IsOperLocalKill(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "local_kill");
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return 0;
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}
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if(!EmptyString(parv[2]))
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{
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char *s;
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s = LOCAL_COPY(parv[2]);
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if(strlen(s) > (size_t) KILLLEN)
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s[KILLLEN] = '\0';
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reason = s;
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}
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else
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reason = "<No reason given>";
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if((target_p = find_named_person(user)) == NULL)
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{
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/*
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** If the user has recently changed nick, automatically
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** rewrite the KILL for this new nickname--this keeps
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** servers in synch when nick change and kill collide
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*/
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if((target_p = whowas_get_history(user, (long) KILLCHASETIMELIMIT)) == NULL)
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{
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if (strchr(user, '.'))
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sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER));
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else
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sendto_one_numeric(source_p, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK), user);
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return 0;
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}
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sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name);
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}
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if(!MyConnect(target_p) && (!IsOperGlobalKill(source_p)))
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{
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sendto_one_notice(source_p, ":Nick %s is not on your server "
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"and you do not have the global_kill flag",
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target_p->name);
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return 0;
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}
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/* Last chance to stop the kill */
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moduledata.client = source_p;
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moduledata.target = target_p;
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moduledata.approved = 1;
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call_hook(h_can_kill, &moduledata);
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if (moduledata.approved == 0)
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/* The callee should have sent a message. */
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return 0;
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if(MyConnect(target_p))
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sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
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source_p->name, source_p->username, source_p->host,
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target_p->name, reason);
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/* Do not change the format of this message. There's no point in changing messages
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* that have been around for ever, for no reason.. */
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"Received KILL message for %s!%s@%s. From %s Path: %s (%s)",
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target_p->name, target_p->username, target_p->orighost,
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source_p->name, me.name, reason);
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ilog(L_KILL, "%c %s %s!%s@%s %s %s",
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MyConnect(target_p) ? 'L' : 'G', get_oper_name(source_p),
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target_p->name, target_p->username, target_p->host, target_p->servptr->name, reason);
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/*
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** And pass on the message to other servers. Note, that if KILL
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** was changed, the message has to be sent to all links, also
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** back.
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** Suicide kills are NOT passed on --SRB
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*/
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if(!MyConnect(target_p))
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{
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relay_kill(client_p, source_p, target_p, inpath, reason);
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/*
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** Set FLAGS_KILLED. This prevents exit_one_client from sending
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** the unnecessary QUIT for this. (This flag should never be
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** set in any other place)
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*/
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target_p->flags |= FLAGS_KILLED;
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}
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sprintf(buf, "Killed (%s (%s))", source_p->name, reason);
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exit_client(client_p, target_p, source_p, buf);
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return 0;
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}
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/*
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* ms_kill
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* parv[1] = kill victim
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* parv[2] = kill path and reason
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*/
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static int
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ms_kill(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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struct Client *target_p;
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const char *user;
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const char *reason;
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char default_reason[] = "<No reason given>";
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const char *path;
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*buf = '\0';
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user = parv[1];
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if(EmptyString(parv[2]))
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{
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reason = default_reason;
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/* hyb6 takes the nick of the killer from the path *sigh* --fl_ */
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path = source_p->name;
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}
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else
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{
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char *s = LOCAL_COPY(parv[2]), *t;
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t = strchr(s, ' ');
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if(t)
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{
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*t = '\0';
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t++;
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reason = t;
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}
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else
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reason = default_reason;
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path = s;
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}
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if((target_p = find_person(user)) == NULL)
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{
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/*
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* If the user has recently changed nick, but only if its
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* not an uid, automatically rewrite the KILL for this new nickname.
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* --this keeps servers in synch when nick change and kill collide
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*/
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if(IsDigit(*user) || (!(target_p = whowas_get_history(user, (long) KILLCHASETIMELIMIT))))
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK), IsDigit(*user) ? "*" : user);
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return 0;
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}
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sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name);
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}
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if(IsServer(target_p) || IsMe(target_p))
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{
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sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER));
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return 0;
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}
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if(MyConnect(target_p))
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{
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if(IsServer(source_p))
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{
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sendto_one(target_p, ":%s KILL %s :%s",
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source_p->name, target_p->name, reason);
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}
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else
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sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
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source_p->name, source_p->username, source_p->host,
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target_p->name, reason);
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}
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/* Be warned, this message must be From %s, or it confuses clients
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* so dont change it to From: or the case or anything! -- fl -- db */
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/* path must contain at least 2 !'s, or bitchx falsely declares it
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* local --fl
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*/
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if(IsOper(source_p)) /* send it normally */
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{
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sendto_realops_snomask(IsService(source_p) ? SNO_SKILL : SNO_GENERAL, L_ALL,
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"Received KILL message for %s!%s@%s. From %s Path: %s!%s!%s!%s %s",
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target_p->name, target_p->username, target_p->orighost, source_p->name,
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source_p->servptr->name, source_p->host, source_p->username,
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source_p->name, reason);
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ilog(L_KILL, "%c %s %s!%s@%s %s %s",
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MyConnect(target_p) ? 'O' : 'R', get_oper_name(source_p),
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target_p->name, target_p->username, target_p->host,
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target_p->servptr->name, reason);
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}
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else
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{
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sendto_realops_snomask(SNO_SKILL, L_ALL,
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"Received KILL message for %s!%s@%s. From %s %s",
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target_p->name, target_p->username, target_p->orighost,
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source_p->name, reason);
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ilog(L_KILL, "S %s %s!%s@%s %s %s",
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source_p->name, target_p->name, target_p->username,
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target_p->host, target_p->servptr->name, reason);
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}
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relay_kill(client_p, source_p, target_p, path, reason);
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/* FLAGS_KILLED prevents a quit being sent out */
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target_p->flags |= FLAGS_KILLED;
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sprintf(buf, "Killed (%s %s)", source_p->name, reason);
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exit_client(client_p, target_p, source_p, buf);
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return 0;
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}
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static void
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relay_kill(struct Client *one, struct Client *source_p,
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struct Client *target_p, const char *inpath, const char *reason)
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{
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struct Client *client_p;
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rb_dlink_node *ptr;
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char buffer[BUFSIZE];
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if(MyClient(source_p))
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snprintf(buffer, sizeof(buffer),
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"%s!%s!%s!%s (%s)",
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me.name, source_p->host, source_p->username, source_p->name, reason);
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else
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snprintf(buffer, sizeof(buffer), "%s %s", inpath, reason);
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RB_DLINK_FOREACH(ptr, serv_list.head)
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{
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client_p = ptr->data;
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if(!client_p || client_p == one)
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continue;
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sendto_one(client_p, ":%s KILL %s :%s",
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get_id(source_p, client_p), get_id(target_p, client_p), buffer);
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}
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}
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