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NeoStats-NeoIRCd/modules/m_oper.c

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/*
* NeoIRCd: NeoStats Group. Based on Hybird7
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* m_oper.c: Makes a user an IRC Operator.
*
* 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_oper.c,v 1.7 2003/01/29 09:28:48 fishwaldo Exp $
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*/
#include "stdinc.h"
#include "tools.h"
#include "handlers.h"
#include "client.h"
#include "common.h"
#include "fdlist.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_user.h"
#include "send.h"
#include "list.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"
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static struct ConfItem *find_password_aconf(char *name, struct Client *source_p);
static int match_oper_password(char *password, struct ConfItem *aconf);
static void failed_oper_notice(struct Client *source_p, char *name, char *reason);
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int oper_up( struct Client *source_p, struct ConfItem *aconf );
#ifdef CRYPT_OPER_PASSWORD
extern char *crypt();
#endif /* CRYPT_OPER_PASSWORD */
static void m_oper(struct Client*, struct Client*, int, char**);
static void ms_oper(struct Client*, struct Client*, int, char**);
static void mo_oper(struct Client*, struct Client*, int, char**);
struct Message oper_msgtab = {
"OPER", 0, 0, 3, 0, MFLG_SLOW, 0,
{m_unregistered, m_oper, ms_oper, mo_oper}
};
#ifndef STATIC_MODULES
void
_modinit(void)
{
mod_add_cmd(&oper_msgtab);
}
void
_moddeinit(void)
{
mod_del_cmd(&oper_msgtab);
}
const char *_version = "$Revision: 1.7 $";
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#endif
/*
** m_oper
** parv[0] = sender prefix
** parv[1] = oper name
** parv[2] = oper password
*/
static void
m_oper(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
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{
struct ConfItem *aconf;
struct ConfItem *oconf = NULL;
char *name;
char *password;
dlink_node *ptr;
name = parv[1];
password = parv[2];
if (EmptyString(password))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "OPER");
return;
}
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/* end the grace period */
if(!IsFloodDone(source_p))
flood_endgrace(source_p);
if((aconf = find_password_aconf(name,source_p)) == NULL)
{
sendto_one(source_p, form_str(ERR_NOOPERHOST), me.name, source_p->name);
failed_oper_notice(source_p, name, find_conf_by_name(name, CONF_OPERATOR) ?
"host mismatch" : "no oper {} block");
log_failed_oper(source_p, name);
return;
}
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if (match_oper_password(password,aconf))
{
/*
* 20001216:
* detach old iline
* -einride
*/
if ((ptr = source_p->localClient->confs.head) != NULL)
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{
oconf = ptr->data;
detach_conf(source_p,oconf);
}
if(attach_conf(source_p, aconf) != 0)
{
sendto_one(source_p,":%s NOTICE %s :Can't attach conf!",
me.name, source_p->name);
failed_oper_notice(source_p, name, "can't attach conf!");
/*
* 20001216:
* Reattach old iline
* -einride
*/
attach_conf(source_p, oconf);
log_failed_oper(source_p, name);
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return;
}
oper_up(source_p, aconf);
ilog(L_TRACE, "OPER %s by %s!%s@%s",
name, source_p->name, source_p->username, source_p->host);
log_oper(source_p, name);
}
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else
{
sendto_one(source_p,form_str(ERR_PASSWDMISMATCH),me.name, parv[0]);
failed_oper_notice(source_p, name, "password mismatch");
}
log_failed_oper(source_p, name);
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}
/*
** mo_oper
** parv[0] = sender prefix
** parv[1] = oper name
** parv[2] = oper password
*/
static void
mo_oper(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
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{
sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, parv[0]);
SendMessageFile(source_p, &ConfigFileEntry.opermotd);
return;
}
/*
** ms_oper
** parv[0] = sender prefix
** parv[1] = oper name
** parv[2] = oper password
*/
static void
ms_oper(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
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{
/* if message arrived from server, trust it, and set to oper */
if (!IsOper(source_p) && IsClient(source_p))
{
SetOper(source_p);
Count.oper++;
sendto_server(client_p, source_p, NULL, NOCAPS, NOCAPS, NOFLAGS,
":%s MODE %s :+o", parv[0], parv[0]);
}
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}
/*
* find_password_aconf
*
* inputs -
* output -
*/
static struct ConfItem *
find_password_aconf(char *name, struct Client *source_p)
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{
struct ConfItem *aconf;
if ((aconf = find_conf_exact(name, source_p->username, source_p->host,
CONF_OPERATOR)) != NULL)
return (aconf);
else if ((aconf = find_conf_exact(name, source_p->username,
source_p->localClient->sockhost,
CONF_OPERATOR)) != NULL)
return (aconf);
return (NULL);
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}
/*
* match_oper_password
*
* inputs - pointer to given password
* - pointer to Conf
* output - YES or NO if match
* side effects - none
*/
static int
match_oper_password(char *password, struct ConfItem *aconf)
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{
char *encr;
if (!aconf->status & CONF_OPERATOR)
return (NO);
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/* XXX another #ifdef that should go */
#ifdef CRYPT_OPER_PASSWORD
/* use first two chars of the password they send in as salt */
/* If the password in the conf is MD5, and ircd is linked
** to scrypt on FreeBSD, or the standard crypt library on
** glibc Linux, then this code will work fine on generating
** the proper encrypted hash for comparison.
*/
/* passwd may be NULL pointer. Head it off at the pass... */
if (aconf->passwd == NULL)
return (NO);
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if (password && *aconf->passwd)
encr = crypt(password, aconf->passwd);
else
encr = "";
#else
encr = password;
#endif /* CRYPT_OPER_PASSWORD */
if (strcmp(encr, aconf->passwd) == 0)
return (YES);
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else
return (NO);
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}
/*
* failed_oper_notice
*
* inputs - pointer to client doing /oper ...
* - pointer to nick they tried to oper as
* - pointer to reason they have failed
* output - nothing
* side effects - notices all opers of the failed oper attempt if enabled
*/
static void
failed_oper_notice(struct Client *source_p, char *name, char *reason)
{
if (ConfigFileEntry.failed_oper_notice)
sendto_realops_flags(FLAGS_ALL|FLAGS_REMOTE, L_ALL, "Failed OPER attempt as %s "
"by %s (%s@%s) - %s", name, source_p->name,
source_p->username, source_p->host, reason);
}