elemental-ircd/modules/m_oper.c

171 lines
4.5 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* m_oper.c: Makes a user an IRC Operator.
*
* 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
*
* $Id: m_oper.c 1483 2006-05-27 18:58:12Z jilles $
*/
#include "stdinc.h"
#include "client.h"
#include "common.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "logger.h"
#include "s_user.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"
#include "cache.h"
static int m_oper(struct Client *, struct Client *, int, const char **);
struct Message oper_msgtab = {
"OPER", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_oper, 3}, mg_ignore, mg_ignore, mg_ignore, {m_oper, 3}}
};
mapi_clist_av1 oper_clist[] = { &oper_msgtab, NULL };
DECLARE_MODULE_AV1(oper, NULL, NULL, oper_clist, NULL, NULL, "$Revision: 1483 $");
static int match_oper_password(const char *password, struct oper_conf *oper_p);
extern char *crypt();
/*
* m_oper
* parv[0] = sender prefix
* parv[1] = oper name
* parv[2] = oper password
*/
static int
m_oper(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct oper_conf *oper_p;
const char *name;
const char *password;
name = parv[1];
password = parv[2];
if(IsOper(source_p))
{
sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
send_oper_motd(source_p);
return 0;
}
/* end the grace period */
if(!IsFloodDone(source_p))
flood_endgrace(source_p);
oper_p = find_oper_conf(source_p->username, source_p->orighost,
source_p->sockhost, name);
if(oper_p == NULL)
{
sendto_one(source_p, form_str(ERR_NOOPERHOST), me.name, source_p->name);
ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)",
name, source_p->name,
source_p->username, source_p->host, source_p->sockhost);
if(ConfigFileEntry.failed_oper_notice)
{
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"Failed OPER attempt - host mismatch by %s (%s@%s)",
source_p->name, source_p->username, source_p->host);
}
return 0;
}
if(match_oper_password(password, oper_p))
{
oper_up(source_p, oper_p);
ilog(L_OPERED, "OPER %s by %s!%s@%s (%s)",
name, source_p->name, source_p->username, source_p->host,
source_p->sockhost);
return 0;
}
else
{
sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
me.name, source_p->name);
ilog(L_FOPER, "FAILED OPER (%s) by (%s!%s@%s) (%s)",
name, source_p->name, source_p->username, source_p->host,
source_p->sockhost);
if(ConfigFileEntry.failed_oper_notice)
{
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
"Failed OPER attempt by %s (%s@%s)",
source_p->name, source_p->username, source_p->host);
}
}
return 0;
}
/*
* 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(const char *password, struct oper_conf *oper_p)
{
const char *encr;
/* passwd may be NULL pointer. Head it off at the pass... */
if(EmptyString(oper_p->passwd))
return NO;
if(IsOperConfEncrypted(oper_p))
{
/* 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.
*/
if(!EmptyString(password))
encr = crypt(password, oper_p->passwd);
else
encr = "";
}
else
encr = password;
if(strcmp(encr, oper_p->passwd) == 0)
return YES;
else
return NO;
}