trunk/modules/m_undline.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_undline.c
 * \brief Includes required functions for processing the UNDLINE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "irc_string.h"
#include "conf.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "log.h"
#include "misc.h"
#include "send.h"
#include "hash.h"
#include "server.h"
#include "parse.h"
#include "modules.h"
#include "conf_db.h"
#include "memory.h"


/* static int remove_tdline_match(const char *host, const char *user)
 * Input: An ip to undline.
 * Output: returns YES on success, NO if no tdline removed.
 * Side effects: Any matching tdlines are removed.
 */
static int
remove_dline_match(const char *host)
{
  struct irc_ssaddr iphost, *piphost;
  struct MaskItem *conf;
  int t = 0;
  int aftype = 0;

  if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
  {
    if (t == HM_IPV6)
      aftype = AF_INET6;
    else
      aftype = AF_INET;
    piphost = &iphost;
  }
  else
    piphost = NULL;

  if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0)))
  {
    if (IsConfDatabase(conf))
    {
      delete_one_address_conf(host, conf);
      return 1;
    }
  }

  return 0;
}

/*! \brief UNDLINE 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] = IP address
 *      - parv[2] = "ON"
 *      - parv[3] = target server
 */
static int
mo_undline(struct Client *source_p, int parc, char *parv[])
{
  char *addr = NULL;
  char *target_server = NULL;

  if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
  {
    sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline");
    return 0;
  }

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE");
    return 0;
  }

  if (parse_aline("UNDLINE", source_p, parc, parv, 0, &addr,
                  NULL, NULL, &target_server, NULL) < 0)
    return 0;

  if (target_server)
  {
    sendto_match_servs(source_p, target_server, CAP_UNDLN,
                       "UNDLINE %s %s", target_server, addr);

    /* Allow ON to apply local undline as well if it matches */
    if (match(target_server, me.name))
      return 0;
  }
  else
    cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE, "%s", addr);

  if (remove_dline_match(addr))
  {
    sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the D-Line for: [%s]",
                         get_oper_name(source_p), addr);
    ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
         get_oper_name(source_p), addr);
  }
  else
    sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);

  return 0;
}

/*! \brief UNDLINE 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] = target server
 *      - parv[2] = IP address
 */
static int
ms_undline(struct Client *source_p, int parc, char *parv[])
{
  const char *addr = parv[2];

  if (parc != 3 || EmptyString(parv[2]))
    return 0;

  sendto_match_servs(source_p, parv[1], CAP_UNDLN, "UNDLINE %s %s",
                     parv[1], parv[2]);

  if (match(parv[1], me.name))
    return 0;

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_UNDLINE))
  {
    if (remove_dline_match(addr))
    {
      if (IsClient(source_p))
        sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                           "%s has removed the D-Line for: [%s]",
                           get_oper_name(source_p), addr);
      ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
           get_oper_name(source_p), addr);
    }
    else if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
  }

  return 0;
}

static struct Message undline_msgtab =
{
  "UNDLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&undline_msgtab);
  add_capability("UNDLN", CAP_UNDLN, 1);
}

static void
module_exit(void)
{
  mod_del_cmd(&undline_msgtab);
  delete_capability("UNDLN");
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	4653
Committed:	Mon Sep 22 15:43:43 2014 UTC (11 years, 10 months ago) by michael
Content type:	text/x-csrc
File size:	6207 byte(s)
Log Message:	- m_undline.c: fixed broken /dline remote.server
#	User	Rev	Content
1	michael	3348	/*
2			* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3			*
4			* Copyright (c) 1997-2014 ircd-hybrid development team
5			*
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	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	michael	3348	* USA
20			*/
21
22			/*! \file m_undline.c
23			* \brief Includes required functions for processing the UNDLINE command.
24	michael	3349	* \version $Id$
25	michael	3348	*/
26
27			#include "stdinc.h"
28			#include "list.h"
29			#include "client.h"
30			#include "irc_string.h"
31			#include "conf.h"
32			#include "ircd.h"
33			#include "hostmask.h"
34			#include "numeric.h"
35			#include "log.h"
36			#include "misc.h"
37			#include "send.h"
38			#include "hash.h"
39			#include "server.h"
40			#include "parse.h"
41			#include "modules.h"
42			#include "conf_db.h"
43			#include "memory.h"
44
45
46			/* static int remove_tdline_match(const char host, const char user)
47			* Input: An ip to undline.
48			* Output: returns YES on success, NO if no tdline removed.
49			* Side effects: Any matching tdlines are removed.
50			*/
51			static int
52			remove_dline_match(const char *host)
53			{
54			struct irc_ssaddr iphost, *piphost;
55			struct MaskItem *conf;
56			int t = 0;
57			int aftype = 0;
58
59			if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
60			{
61			if (t == HM_IPV6)
62			aftype = AF_INET6;
63			else
64			aftype = AF_INET;
65			piphost = &iphost;
66			}
67			else
68			piphost = NULL;
69
70			if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0)))
71			{
72			if (IsConfDatabase(conf))
73			{
74			delete_one_address_conf(host, conf);
75			return 1;
76			}
77			}
78
79			return 0;
80			}
81
82	michael	3363	/*! \brief UNDLINE command handler
83			*
84			* \param source_p Pointer to allocated Client struct from which the message
85			* originally comes from. This can be a local or remote client.
86			* \param parc Integer holding the number of supplied arguments.
87			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
88			* pointers.
89			* \note Valid arguments for this command are:
90			* - parv[0] = command
91	michael	3365	* - parv[1] = IP address
92	michael	3363	* - parv[2] = "ON"
93			* - parv[3] = target server
94			*/
95	michael	3348	static int
96			mo_undline(struct Client source_p, int parc, char parv[])
97			{
98	michael	4049	char *addr = NULL;
99	michael	3348	char *target_server = NULL;
100
101			if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
102			{
103			sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline");
104			return 0;
105			}
106
107			if (parc < 2 \|\| EmptyString(parv[1]))
108			{
109			sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE");
110			return 0;
111			}
112
113	michael	4049	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &addr,
114			NULL, NULL, &target_server, NULL) < 0)
115	michael	3348	return 0;
116
117	michael	3368	if (target_server)
118	michael	3348	{
119			sendto_match_servs(source_p, target_server, CAP_UNDLN,
120			"UNDLINE %s %s", target_server, addr);
121
122	michael	3366	/* Allow ON to apply local undline as well if it matches */
123	michael	3348	if (match(target_server, me.name))
124			return 0;
125			}
126			else
127	michael	3368	cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE, "%s", addr);
128	michael	3348
129			if (remove_dline_match(addr))
130			{
131			sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
132			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
133			"%s has removed the D-Line for: [%s]",
134			get_oper_name(source_p), addr);
135			ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
136			get_oper_name(source_p), addr);
137			}
138			else
139			sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
140	michael	3368
141	michael	3348	return 0;
142			}
143
144	michael	3363	/*! \brief UNDLINE command handler
145			*
146			* \param source_p Pointer to allocated Client struct from which the message
147			* originally comes from. This can be a local or remote client.
148			* \param parc Integer holding the number of supplied arguments.
149			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
150			* pointers.
151			* \note Valid arguments for this command are:
152			* - parv[0] = command
153			* - parv[1] = target server
154	michael	3365	* - parv[2] = IP address
155	michael	3363	*/
156	michael	3348	static int
157			ms_undline(struct Client source_p, int parc, char parv[])
158			{
159	michael	4653	const char *addr = parv[2];
160	michael	3348
161			if (parc != 3 \|\| EmptyString(parv[2]))
162			return 0;
163
164	michael	3368	sendto_match_servs(source_p, parv[1], CAP_UNDLN, "UNDLINE %s %s",
165	michael	3348	parv[1], parv[2]);
166
167	michael	4639	if (match(parv[1], me.name))
168	michael	3348	return 0;
169
170			if (HasFlag(source_p, FLAGS_SERVICE) \|\|
171			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
172			source_p->username, source_p->host,
173			SHARED_UNDLINE))
174			{
175			if (remove_dline_match(addr))
176			{
177	michael	4639	if (IsClient(source_p))
178			sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
179	michael	3348	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
180			"%s has removed the D-Line for: [%s]",
181			get_oper_name(source_p), addr);
182			ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
183			get_oper_name(source_p), addr);
184			}
185	michael	4639	else if (IsClient(source_p))
186	michael	3348	sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
187			}
188
189			return 0;
190			}
191
192			static struct Message undline_msgtab =
193			{
194	michael	4545	"UNDLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
195	michael	3348	{ m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
196			};
197
198			static void
199			module_init(void)
200			{
201			mod_add_cmd(&undline_msgtab);
202			add_capability("UNDLN", CAP_UNDLN, 1);
203			}
204
205			static void
206			module_exit(void)
207			{
208			mod_del_cmd(&undline_msgtab);
209			delete_capability("UNDLN");
210			}
211
212			struct module module_entry =
213			{
214			.node = { NULL, NULL, NULL },
215			.name = NULL,
216	michael	3349	.version = "$Revision$",
217	michael	3348	.handle = NULL,
218			.modinit = module_init,
219			.modexit = module_exit,
220			.flags = 0
221			};