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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* m_kill.c: Kills a user. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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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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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "handlers.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 "s_log.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 "irc_string.h" |
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#include "sprintf_irc.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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|
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|
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static char buf[IRCD_BUFSIZE]; |
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|
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static void ms_kill(struct Client *, struct Client *, int, char *[]); |
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static void mo_kill(struct Client *, struct Client *, int, 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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|
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struct Message kill_msgtab = { |
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"KILL", 0, 0, 2, 0, MFLG_SLOW, 0, |
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{m_unregistered, m_not_oper, ms_kill, m_ignore, mo_kill, m_ignore} |
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}; |
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|
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#ifndef STATIC_MODULES |
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void |
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_modinit(void) |
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{ |
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mod_add_cmd(&kill_msgtab); |
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} |
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|
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void |
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_moddeinit(void) |
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{ |
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mod_del_cmd(&kill_msgtab); |
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} |
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|
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const char *_version = "$Revision$"; |
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#endif |
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|
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/* mo_kill() |
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* parv[0] = sender prefix |
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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 void |
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mo_kill(struct Client *client_p, struct Client *source_p, |
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int parc, 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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char *user; |
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char *reason; |
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char def_reason[] = "No reason"; |
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|
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user = parv[1]; |
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reason = parv[2]; /* Either defined or NULL (parc >= 2!!) */ |
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|
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if (*user == '\0') |
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{ |
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
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me.name, source_p->name, "KILL"); |
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return; |
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} |
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|
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if (IsDigit(*user)) /* opers shouldn't be trying uids anyway ;-) */ |
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return; |
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|
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if (!IsOperK(source_p) && !IsOperGlobalKill(source_p)) |
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{ |
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sendto_one(source_p, form_str(ERR_NOPRIVILEGES), |
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me.name, source_p->name); |
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return; |
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} |
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|
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if (!EmptyString(reason)) |
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{ |
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if (strlen(reason) > (size_t)KILLLEN) |
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reason[KILLLEN] = '\0'; |
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} |
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else |
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reason = def_reason; |
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|
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if ((target_p = find_client(user)) == NULL) |
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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 = get_history(user, |
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(time_t)ConfigFileEntry.kill_chase_time_limit)) |
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== NULL) |
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{ |
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sendto_one(source_p, form_str(ERR_NOSUCHNICK), |
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me.name, source_p->name, user); |
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return; |
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} |
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|
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sendto_one(source_p, ":%s NOTICE %s :KILL changed from %s to %s", |
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me.name, source_p->name, user, target_p->name); |
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} |
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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(source_p, form_str(ERR_CANTKILLSERVER), |
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me.name, source_p->name); |
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return; |
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} |
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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(source_p, ":%s NOTICE %s :Nick %s isnt on your server", |
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me.name, source_p->name, target_p->name); |
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return; |
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} |
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|
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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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|
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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_flags(UMODE_ALL, L_ALL, |
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"Received KILL message for %s. From %s Path: %s (%s)", |
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target_p->name, source_p->name, me.name, reason); |
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|
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ilog(L_INFO, "KILL From %s For %s Path %s (%s)", |
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source_p->name, target_p->name, me.name, reason); |
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log_oper_action(LOG_KILL_TYPE, source_p, "%s %s\n", |
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me.name, reason); |
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|
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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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SetKilled(target_p); |
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} |
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|
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ircsprintf(buf, "Killed (%s (%s))", source_p->name, reason); |
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exit_client(target_p, source_p, buf); |
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} |
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|
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/* ms_kill() |
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* parv[0] = sender prefix |
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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 void |
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ms_kill(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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struct Client *target_p; |
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char *user; |
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char *reason; |
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const char *path; |
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char def_reason[] = "No reason"; |
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|
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if (*parv[1] == '\0') |
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{ |
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sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
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me.name, source_p->name, "KILL"); |
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return; |
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} |
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|
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user = parv[1]; |
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|
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if (EmptyString(parv[2])) |
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{ |
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reason = def_reason; |
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|
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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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reason = strchr(parv[2], ' '); |
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|
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if (reason != NULL) |
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*reason++ = '\0'; |
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else |
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reason = def_reason; |
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|
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path = parv[2]; |
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} |
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|
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if ((target_p = find_person(client_p, user)) == NULL) |
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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)) /* Somehow an uid was not found in the hash ! */ |
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return; |
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if((target_p = get_history(user, |
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(time_t)ConfigFileEntry.kill_chase_time_limit)) |
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== NULL) |
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{ |
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sendto_one(source_p, form_str(ERR_NOSUCHNICK), |
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me.name, source_p->name, user); |
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return; |
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} |
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sendto_one(source_p,":%s NOTICE %s :KILL changed from %s to %s", |
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me.name, source_p->name, user, target_p->name); |
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} |
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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(source_p, form_str(ERR_CANTKILLSERVER), |
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me.name, source_p->name); |
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return; |
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} |
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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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/* dont send clients kills from a hidden server */ |
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if ((IsHidden(source_p) || ConfigServerHide.hide_servers) && !IsOper(target_p)) |
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sendto_one(target_p, ":%s KILL %s :%s", |
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me.name, target_p->name, reason); |
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else |
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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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|
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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_flags(UMODE_ALL, L_ALL, |
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"Received KILL message for %s. From %s Path: %s!%s!%s!%s %s", |
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target_p->name, source_p->name, source_p->servptr->name, |
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source_p->host, source_p->username, source_p->name, reason); |
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} |
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else |
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{ |
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sendto_realops_flags(UMODE_SKILL, L_ALL, |
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"Received KILL message for %s. From %s %s", |
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target_p->name, source_p->name, reason); |
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} |
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|
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ilog(L_INFO,"KILL From %s For %s Path %s %s", |
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source_p->name, target_p->name, source_p->name, reason); |
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|
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relay_kill(client_p, source_p, target_p, path, reason); |
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SetKilled(target_p); |
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|
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/* reason comes supplied with its own ()'s */ |
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if (IsServer(source_p) && (IsHidden(source_p) || ConfigServerHide.hide_servers)) |
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ircsprintf(buf, "Killed (%s %s)", me.name, reason); |
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else |
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ircsprintf(buf, "Killed (%s %s)", source_p->name, reason); |
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|
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exit_client(target_p, source_p, buf); |
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} |
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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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dlink_node *ptr; |
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struct Client *client_p; |
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int introduce_killed_client; |
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const char *from, *to; |
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|
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/* LazyLinks: |
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* Check if each lazylink knows about target_p. |
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* If it does, send the kill, introducing source_p if required. |
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* If it doesn't either: |
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* a) don't send the kill (risk ghosts) |
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* b) introduce the client (and source_p, if required) |
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* [rather redundant] |
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* |
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* Use a) if IsServer(source_p), but if an oper kills someone, |
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* ensure we blow away any ghosts. |
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* |
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* -davidt |
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*/ |
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|
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if (IsServer(source_p)) |
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introduce_killed_client = 0; |
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else |
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introduce_killed_client = 1; |
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|
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DLINK_FOREACH(ptr, serv_list.head) |
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{ |
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client_p = ptr->data; |
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|
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if (client_p == NULL || client_p == one) |
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continue; |
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|
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if (!introduce_killed_client) |
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{ |
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if (ServerInfo.hub && IsCapable(client_p, CAP_LL)) |
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{ |
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if ((client_p->localClient->serverMask & |
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target_p->lazyLinkClientExists) == 0) |
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{ |
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/* target isn't known to lazy leaf, skip it */ |
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continue; |
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} |
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} |
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} |
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/* force introduction of killed client but check that |
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* its not on the server we're bursting too.. */ |
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else if (strcmp(target_p->servptr->name, client_p->name)) |
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client_burst_if_needed(client_p, target_p); |
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|
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/* introduce source of kill */ |
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client_burst_if_needed(client_p, source_p); |
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|
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/* use UID if possible */ |
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from = ID_or_name(source_p, client_p); |
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to = ID_or_name(target_p, client_p); |
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|
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if (MyClient(source_p)) |
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{ |
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sendto_one(client_p, ":%s KILL %s :%s!%s!%s!%s (%s)", |
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from, to, |
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me.name, source_p->host, source_p->username, |
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source_p->name, reason); |
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} |
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else |
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{ |
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sendto_one(client_p, ":%s KILL %s :%s %s", |
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from, to, inpath, reason); |
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} |
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} |
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} |
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|
