8.2.x/modules/m_oper.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 ircd-hybrid 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file m_oper.c
 * \brief Includes required functions for processing the OPER command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "conf.h"
#include "log.h"
#include "user.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"


/*! \brief Notices all opers of the failed oper attempt if enabled
 *
 * \param source_p Client doing /oper ...
 * \param name     The nick they tried to oper as
 * \param reason   The reason why they have failed
 */
static void
failed_oper_notice(struct Client *source_p, const char *name,
                   const char *reason)
{
  if (ConfigGeneral.failed_oper_notice)
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "Failed OPER attempt as %s by %s (%s@%s) - %s",
                         name, source_p->name, source_p->username,
                         source_p->host, reason);

  ilog(LOG_TYPE_OPER, "Failed OPER attempt as %s by %s (%s@%s) - %s",
       name, source_p->name, source_p->username,
       source_p->host, reason);
}

/*! \brief OPER command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = oper name
 *      - parv[2] = oper password
 */
static int
m_oper(struct Client *source_p, int parc, char *parv[])
{
  struct MaskItem *conf = NULL;
  const char *opername = parv[1];
  const char *password = parv[2];

  if (EmptyString(password))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "OPER");
    return 0;
  }

  /* end the grace period */
  if (!IsFloodDone(source_p))
    flood_endgrace(source_p);

  if ((conf = find_exact_name_conf(CONF_OPER, source_p, opername, NULL, NULL)) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
    conf = find_exact_name_conf(CONF_OPER, NULL, opername, NULL, NULL);
    failed_oper_notice(source_p, opername, (conf != NULL) ?
                       "host mismatch" : "no operator {} block");
    return 0;
  }

  if (IsConfSSL(conf) && !HasUMode(source_p, UMODE_SSL))
  {
    sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
    failed_oper_notice(source_p, opername, "requires SSL/TLS");
    return 0;
  }

  if (!EmptyString(conf->certfp))
  {
    if (EmptyString(source_p->certfp) || strcasecmp(source_p->certfp, conf->certfp))
    {
      sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
      failed_oper_notice(source_p, opername, "client certificate fingerprint mismatch");
      return 0;
    }
  }

  if (match_conf_password(password, conf))
  {
    if (attach_conf(source_p, conf))
    {
      sendto_one_notice(source_p, &me, ":Can't attach conf!");
      failed_oper_notice(source_p, opername, "can't attach conf!");
      return 0;
    }

    oper_up(source_p);

    ilog(LOG_TYPE_OPER, "OPER %s by %s!%s@%s", opername, source_p->name,
         source_p->username, source_p->host);
  }
  else
  {
    sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
    failed_oper_notice(source_p, opername, "password mismatch");
  }

  return 0;
}

/*! \brief OPER command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = oper name
 *      - parv[2] = oper password
 */
static int
mo_oper(struct Client *source_p, int parc, char *parv[])
{
  sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
  return 0;
}

static struct Message oper_msgtab =
{
  "OPER", NULL, 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_oper, m_ignore, m_ignore, mo_oper, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&oper_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&oper_msgtab);
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	4830
Committed:	Sun Nov 2 11:14:54 2014 UTC (9 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	5456 byte(s)
Log Message:	- m_oper.c:m_oper(): renamed variable
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 1997-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4564	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2820	/*! \file m_oper.c
23			* \brief Includes required functions for processing the OPER command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "client.h"
30			#include "irc_string.h"
31			#include "ircd.h"
32			#include "numeric.h"
33	michael	1309	#include "conf.h"
34			#include "log.h"
35	michael	3347	#include "user.h"
36	adx	30	#include "send.h"
37			#include "parse.h"
38			#include "modules.h"
39			#include "packet.h"
40
41
42
43	michael	3336	/*! \brief Notices all opers of the failed oper attempt if enabled
44	michael	1230	*
45	michael	3336	* \param source_p Client doing /oper ...
46			* \param name The nick they tried to oper as
47			* \param reason The reason why they have failed
48	michael	1230	*/
49			static void
50			failed_oper_notice(struct Client source_p, const char name,
51			const char *reason)
52	adx	30	{
53	michael	4341	if (ConfigGeneral.failed_oper_notice)
54	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
55			"Failed OPER attempt as %s by %s (%s@%s) - %s",
56			name, source_p->name, source_p->username,
57			source_p->host, reason);
58	michael	1247
59	michael	1618	ilog(LOG_TYPE_OPER, "Failed OPER attempt as %s by %s (%s@%s) - %s",
60			name, source_p->name, source_p->username,
61			source_p->host, reason);
62	adx	30	}
63
64	michael	3266	/*! \brief OPER command handler
65			*
66			* \param source_p Pointer to allocated Client struct from which the message
67			* originally comes from. This can be a local or remote client.
68			* \param parc Integer holding the number of supplied arguments.
69			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
70			* pointers.
71			* \note Valid arguments for this command are:
72			* - parv[0] = command
73			* - parv[1] = oper name
74			* - parv[2] = oper password
75			*/
76	michael	2820	static int
77	michael	3156	m_oper(struct Client source_p, int parc, char parv[])
78	adx	30	{
79	michael	1632	struct MaskItem *conf = NULL;
80	michael	4830	const char *opername = parv[1];
81	adx	30	const char *password = parv[2];
82
83			if (EmptyString(password))
84			{
85	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "OPER");
86	michael	2820	return 0;
87	adx	30	}
88
89			/* end the grace period */
90			if (!IsFloodDone(source_p))
91			flood_endgrace(source_p);
92
93	michael	4830	if ((conf = find_exact_name_conf(CONF_OPER, source_p, opername, NULL, NULL)) == NULL)
94	adx	30	{
95	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
96	michael	4830	conf = find_exact_name_conf(CONF_OPER, NULL, opername, NULL, NULL);
97			failed_oper_notice(source_p, opername, (conf != NULL) ?
98	michael	4285	"host mismatch" : "no operator {} block");
99	michael	2820	return 0;
100	adx	30	}
101
102	michael	2248	if (IsConfSSL(conf) && !HasUMode(source_p, UMODE_SSL))
103			{
104	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
105	michael	4830	failed_oper_notice(source_p, opername, "requires SSL/TLS");
106	michael	2820	return 0;
107	michael	2248	}
108
109	michael	2228	if (!EmptyString(conf->certfp))
110			{
111	michael	2229	if (EmptyString(source_p->certfp) \|\| strcasecmp(source_p->certfp, conf->certfp))
112	michael	2228	{
113	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOOPERHOST);
114	michael	4830	failed_oper_notice(source_p, opername, "client certificate fingerprint mismatch");
115	michael	2820	return 0;
116	michael	2228	}
117			}
118
119	michael	1632	if (match_conf_password(password, conf))
120	adx	30	{
121	michael	3914	if (attach_conf(source_p, conf))
122	adx	30	{
123	michael	3110	sendto_one_notice(source_p, &me, ":Can't attach conf!");
124	michael	4830	failed_oper_notice(source_p, opername, "can't attach conf!");
125	michael	2820	return 0;
126	adx	30	}
127
128			oper_up(source_p);
129
130	michael	4830	ilog(LOG_TYPE_OPER, "OPER %s by %s!%s@%s", opername, source_p->name,
131			source_p->username, source_p->host);
132	adx	30	}
133			else
134			{
135	michael	3109	sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
136	michael	4830	failed_oper_notice(source_p, opername, "password mismatch");
137	adx	30	}
138	michael	2820
139			return 0;
140	adx	30	}
141
142	michael	3266	/*! \brief OPER command handler
143			*
144			* \param source_p Pointer to allocated Client struct from which the message
145			* originally comes from. This can be a local or remote client.
146			* \param parc Integer holding the number of supplied arguments.
147			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
148			* pointers.
149			* \note Valid arguments for this command are:
150			* - parv[0] = command
151			* - parv[1] = oper name
152			* - parv[2] = oper password
153			*/
154	michael	2820	static int
155	michael	3156	mo_oper(struct Client source_p, int parc, char parv[])
156	adx	30	{
157	michael	3109	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
158	michael	2820	return 0;
159	adx	30	}
160
161	michael	2820	static struct Message oper_msgtab =
162			{
163	michael	4546	"OPER", NULL, 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
164	michael	1230	{ m_unregistered, m_oper, m_ignore, m_ignore, mo_oper, m_ignore }
165			};
166
167			static void
168			module_init(void)
169	adx	30	{
170	michael	1230	mod_add_cmd(&oper_msgtab);
171	adx	30	}
172
173			static void
174	michael	1230	module_exit(void)
175	adx	30	{
176	michael	1230	mod_del_cmd(&oper_msgtab);
177	adx	30	}
178	michael	1230
179	michael	2820	struct module module_entry =
180			{
181	michael	1230	.node = { NULL, NULL, NULL },
182			.name = NULL,
183			.version = "$Revision$",
184			.handle = NULL,
185			.modinit = module_init,
186			.modexit = module_exit,
187			.flags = 0
188			};