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c753c7adc1f36878df62e28c8d211a06f1f40a91
unrealircd/src/modules/m_kill.c
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stskeeps c753c7adc1 +- Fixes for ->user structures
2001-12-24 22:43:14 +00:00

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/*
* Unreal Internet Relay Chat Daemon, src/modules/m_kill.c
* (C) 2000-2001 Carsten V. Munk and the UnrealIRCd Team
* Moved to modules by Fish (Justin Hammond)
*
* 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include "struct.h"
#include "common.h"
#include "sys.h"
#include "numeric.h"
#include "msg.h"
#include "channel.h"
#include <time.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#endif
#include <fcntl.h>
#include "h.h"
#ifdef STRIPBADWORDS
#include "badwords.h"
#endif
#ifdef _WIN32
#include "version.h"
#endif
DLLFUNC int m_kill(aClient *cptr, aClient *sptr, int parc, char *parv[]);
static char buf[BUFSIZE], buf2[BUFSIZE];
/* Place includes here */
#define MSG_KILL "KILL" /* KILL */
#define TOK_KILL "." /* 46 */
#ifndef DYNAMIC_LINKING
ModuleHeader m_kill_Header
#else
#define m_kill_Header Mod_Header
ModuleHeader Mod_Header
#endif
= {
"kill", /* Name of module */
"$Id$", /* Version */
"command /kill", /* Short description of module */
"3.2-b5",
NULL
};
/* The purpose of these ifdefs, are that we can "static" link the ircd if we
* want to
*/
/* This is called on module init, before Server Ready */
#ifdef DYNAMIC_LINKING
DLLFUNC int Mod_Init(int module_load)
#else
int m_kill_Init(int module_load)
#endif
{
/*
* We call our add_Command crap here
*/
add_Command(MSG_KILL, TOK_KILL, m_kill, MAXPARA);
return MOD_SUCCESS;
}
/* Is first run when server is 100% ready */
#ifdef DYNAMIC_LINKING
DLLFUNC int Mod_Load(int module_load)
#else
int m_kill_Load(int module_load)
#endif
{
return MOD_SUCCESS;
}
/* Called when module is unloaded */
#ifdef DYNAMIC_LINKING
DLLFUNC int Mod_Unload(int module_unload)
#else
int m_kill_Unload(int module_unload)
#endif
{
if (del_Command(MSG_KILL, TOK_KILL, m_kill) < 0)
{
sendto_realops("Failed to delete commands when unloading %s",
m_kill_Header.name);
}
return MOD_SUCCESS;
}
/*
** m_kill
** parv[0] = sender prefix
** parv[1] = kill victim(s) - comma separated list
** parv[2] = kill path
*/
DLLFUNC int m_kill(cptr, sptr, parc, parv)
aClient *cptr, *sptr;
int parc;
char *parv[];
{
static anUser UnknownUser = {
NULL, /* channel */
NULL, /* invited */
NULL, /* silence */
NULL, /* away */
0, /* last */
0, /* nexttarget */
0, /* servicestamp */
0, /* oflag */
1, /* refcount */
0, /* joined */
"<Unknown>", /* username */
"<Unknown>", /* host */
"<Unknown>" /* server */
};
aClient *acptr;
anUser *auser;
char inpath[HOSTLEN * 2 + USERLEN + 5];
char *oinpath = get_client_name(cptr, FALSE);
char *user, *path, *killer, *nick, *p, *s;
int chasing = 0, kcount = 0;
if (parc < 2 || *parv[1] == '\0')
{
sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "KILL");
return 0;
}
user = parv[1];
path = parv[2]; /* Either defined or NULL (parc >= 2!!) */
strcpy(inpath, oinpath);
#ifndef ROXnet
if (IsServer(cptr) && (s = (char *)index(inpath, '.')) != NULL)
*s = '\0'; /* Truncate at first "." */
#endif
if (!IsPrivileged(cptr))
{
sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return 0;
}
if (IsAnOper(cptr))
{
if (BadPtr(path))
{
sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "KILL");
return 0;
}
if (strlen(path) > (size_t)TOPICLEN)
path[TOPICLEN] = '\0';
}
if (MyClient(sptr))
user = (char *)canonize(user);
for (p = NULL, nick = strtoken(&p, user, ","); nick;
nick = strtoken(&p, NULL, ","))
{
chasing = 0;
if (!(acptr = find_client(nick, NULL)))
{
/*
** If the user has recently changed nick, we automaticly
** rewrite the KILL for this new nickname--this keeps
** servers in synch when nick change and kill collide
*/
if (!(acptr =
get_history(nick, (long)KILLCHASETIMELIMIT)))
{
sendto_one(sptr, err_str(ERR_NOSUCHNICK),
me.name, parv[0], nick);
continue;
}
sendto_one(sptr,
":%s %s %s :*** KILL changed from %s to %s",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], nick, acptr->name);
chasing = 1;
}
if ((!MyConnect(acptr) && MyClient(cptr) && !OPCanGKill(cptr))
|| (MyConnect(acptr) && MyClient(cptr)
&& !OPCanLKill(cptr)))
{
sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name,
parv[0]);
continue;
}
if (IsServer(acptr) || IsMe(acptr))
{
sendto_one(sptr, err_str(ERR_CANTKILLSERVER),
me.name, parv[0]);
continue;
}
if (IsServices(acptr) && !(IsNetAdmin(sptr) || IsULine(sptr)))
{
sendto_one(sptr, err_str(ERR_KILLDENY), me.name,
parv[0], parv[1]);
return 0;
}
aftermath:
/* From here on, the kill is probably going to be successful. */
kcount++;
if (!IsServer(sptr) && (kcount > MAXKILLS))
{
sendto_one(sptr,
":%s %s %s :*** Too many targets, kill list was truncated. Maximum is %d.",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], MAXKILLS);
break;
}
if (!IsServer(cptr))
{
/*
** The kill originates from this server, initialize path.
** (In which case the 'path' may contain user suplied
** explanation ...or some nasty comment, sigh... >;-)
**
** ...!operhost!oper
** ...!operhost!oper (comment)
*/
strcpy(inpath,
IsHidden(cptr) ? cptr->user->virthost : cptr->user->
realhost);
if (kcount < 2) /* Only check the path the first time
around, or it gets appended to itself. */
if (!BadPtr(path))
{
(void)ircsprintf(buf, "%s%s (%s)",
cptr->name,
IsOper(sptr) ? "" : "(L)", path);
path = buf;
}
else
path = cptr->name;
}
else if (BadPtr(path))
path = "*no-path*"; /* Bogus server sending??? */
/*
** Notify all *local* opers about the KILL (this includes the one
** originating the kill, if from this server--the special numeric
** reply message is not generated anymore).
**
** Note: "acptr->name" is used instead of "user" because we may
** have changed the target because of the nickname change.
*/
auser = acptr->user ? acptr->user : &UnknownUser;
if (index(parv[0], '.'))
sendto_snomask(SNO_KILLS,
"*** Notice -- Received KILL message for %s!%s@%s from %s Path: %s!%s",
acptr->name, auser->username,
IsHidden(acptr) ? auser->virthost : auser->realhost,
parv[0], inpath, path);
else
sendto_snomask(SNO_KILLS,
"*** Notice -- Received KILL message for %s!%s@%s from %s Path: %s!%s",
acptr->name, auser->username,
IsHidden(acptr) ? auser->virthost : auser->realhost,
parv[0], inpath, path);
#if defined(USE_SYSLOG) && defined(SYSLOG_KILL)
if (IsOper(sptr))
syslog(LOG_DEBUG, "KILL From %s For %s Path %s!%s",
parv[0], acptr->name, inpath, path);
#endif
/*
* By otherguy
*/
ircd_log
(LOG_KILL, "KILL (%s) by %s(%s!%s)",
make_nick_user_host
(acptr->name, acptr->user->username, (IsHidden(acptr) ? acptr->user->virthost : acptr->user->realhost)),
parv[0],
inpath,
path);
/*
** 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(acptr) || !MyConnect(sptr) || !IsAnOper(sptr))
{
sendto_serv_butone(cptr, ":%s KILL %s :%s!%s",
parv[0], acptr->name, inpath, path);
if (chasing && IsServer(cptr))
sendto_one(cptr, ":%s KILL %s :%s!%s",
me.name, acptr->name, inpath, path);
acptr->flags |= FLAGS_KILLED;
}
/*
** Tell the victim she/he has been zapped, but *only* if
** the victim is on current server--no sense in sending the
** notification chasing the above kill, it won't get far
** anyway (as this user don't exist there any more either)
*/
if (MyConnect(acptr))
sendto_prefix_one(acptr, sptr, ":%s KILL %s :%s!%s",
parv[0], acptr->name, inpath, path);
/*
** 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)
*/
if (MyConnect(acptr) && MyConnect(sptr) && IsAnOper(sptr))
(void)ircsprintf(buf2, "[%s] Local kill by %s (%s)",
me.name, sptr->name,
BadPtr(parv[2]) ? sptr->name : parv[2]);
else
{
if ((killer = index(path, ' ')))
{
while (*killer && *killer != '!')
killer--;
if (!*killer)
killer = path;
else
killer++;
}
else
killer = path;
(void)ircsprintf(buf2, "Killed (%s)", killer);
}
if (exit_client(cptr, acptr, sptr, buf2) == FLUSH_BUFFER)
return FLUSH_BUFFER;
}
return 0;
}
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