trunk/modules/m_dline.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2015 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_dline.c
 * \brief Includes required functions for processing the DLINE 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 "server.h"
#include "parse.h"
#include "modules.h"
#include "memory.h"


static void
dline_check(struct AddressRec *arec)
{
  dlink_node *node = NULL, *node_next = NULL;

  DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
  {
    struct Client *client_p = node->data;

    if (IsDead(client_p))
      continue;

    switch (arec->masktype)
    {
      case HM_IPV4:
        if (client_p->connection->aftype == AF_INET)
          if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      case HM_IPV6:
        if (client_p->connection->aftype == AF_INET6)
          if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      default: break;
    }
  }

  DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
  {
    struct Client *client_p = node->data;

    if (IsDead(client_p))
      continue;

    switch (arec->masktype)
    {
      case HM_IPV4:
        if (client_p->connection->aftype == AF_INET)
          if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      case HM_IPV6:
        if (client_p->connection->aftype == AF_INET6)
          if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      default: break;
    }
  }
}


/* dline_add()
 *
 * inputs       -
 * output       - NONE
 * side effects - dline as given is placed
 */
static void
dline_add(struct Client *source_p, const char *addr, const char *reason,
          time_t tdline_time)
{
  char buf[IRCD_BUFSIZE];
  struct MaskItem *conf;

  if (tdline_time)
    snprintf(buf, sizeof(buf), "Temporary D-line %d min. - %.*s (%s)",
             (int)(tdline_time/60), REASONLEN, reason, smalldate(0));
  else
    snprintf(buf, sizeof(buf), "%.*s (%s)", REASONLEN, reason, smalldate(0));

  conf = conf_make(CONF_DLINE);
  conf->host = xstrdup(addr);
  conf->reason = xstrdup(buf);
  conf->setat = CurrentTime;
  SetConfDatabase(conf);

  if (tdline_time)
  {
    conf->until = CurrentTime + tdline_time;

    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
                        tdline_time/60, conf->host);

    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added temporary %d min. D-Line for [%s] [%s]",
                         get_oper_name(source_p), tdline_time/60,
                         conf->host, conf->reason);
    ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
         get_oper_name(source_p), tdline_time/60, conf->host, conf->reason);
  }
  else
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);

    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added D-Line for [%s] [%s]",
                         get_oper_name(source_p), conf->host, conf->reason);
    ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
         get_oper_name(source_p), conf->host, conf->reason);
  }

  dline_check(add_conf_by_address(CONF_DLINE, conf));
}

/* mo_dline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - D line is added
 *
 */
static int
mo_dline(struct Client *source_p, int parc, char *parv[])
{
  char *dlhost = NULL, *reason = NULL;
  char *target_server = NULL;
  const struct Client *target_p = NULL;
  struct irc_ssaddr daddr;
  struct MaskItem *conf = NULL;
  time_t tdline_time = 0;
  int bits = 0, aftype = 0, t = 0;
  char hostip[HOSTIPLEN + 1];

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

  if (!parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
                   NULL, &tdline_time, &target_server, &reason))
    return 0;

  if (target_server)
  {
    sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
                       target_server, (unsigned long)tdline_time,
                       dlhost, reason);

    /* Allow ON to apply local kline as well if it matches */
    if (match(target_server, me.name))
      return 0;
  }
  else
    cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
                   "%d %s :%s", tdline_time, dlhost, reason);

  if ((t = parse_netmask(dlhost, NULL, NULL)) == HM_HOST)
  {
    if ((target_p = find_chasing(source_p, dlhost)) == NULL)
      return 0;  /* find_chasing sends ERR_NOSUCHNICK */

    if (!MyConnect(target_p))
    {
      sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
      return 0;
    }

    if (HasFlag(target_p, FLAGS_EXEMPTKLINE))
    {
      sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
      return 0;
    }

    getnameinfo((const struct sockaddr *)&target_p->connection->ip,
                target_p->connection->ip.ss_len, hostip,
                sizeof(hostip), NULL, 0, NI_NUMERICHOST);
    dlhost = hostip;
  }

  switch (parse_netmask(dlhost, &daddr, &bits))
  {
    case HM_IPV4:
      if ((unsigned int)bits < ConfigGeneral.dline_min_cidr)
      {
        sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
                          ConfigGeneral.dline_min_cidr);
        return 0;
      }

      aftype = AF_INET;
      break;
    case HM_IPV6:
      if ((unsigned int)bits < ConfigGeneral.dline_min_cidr6)
      {
        sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
                          ConfigGeneral.dline_min_cidr6);
        return 0;
      }

      aftype = AF_INET6;
      break;
    default:  /* HM_HOST */
     return 0;
  }

  if ((conf = find_conf_by_address(NULL, &daddr, CONF_DLINE, aftype, NULL, NULL, 1)))
  {
    sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
                      dlhost, conf->host, conf->reason);
    return 0;
  }

  dline_add(source_p, dlhost, reason, tdline_time);
  return 0;
}

static int
ms_dline(struct Client *source_p, int parc, char *parv[])
{
  const char *dlhost, *reason;
  struct irc_ssaddr daddr;
  struct MaskItem *conf = NULL;
  time_t tdline_time = 0;
  int bits = 0, aftype = 0;

  if (parc != 5 || EmptyString(parv[4]))
    return 0;

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4] */
  /* command  target_server  tdline_time  host     reason  */
  sendto_match_servs(source_p, parv[1], CAP_DLN, "DLINE %s %s %s :%s",
                     parv[1], parv[2], parv[3], parv[4]);

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

  tdline_time = valid_tkline(parv[2], TK_SECONDS);
  dlhost = parv[3];
  reason = parv[4];

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_DLINE))
  {
    switch (parse_netmask(dlhost, &daddr, &bits))
    {
      case HM_IPV4:
        if ((unsigned int)bits < ConfigGeneral.dline_min_cidr)
        {
          if (IsClient(source_p))
            sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
                              ConfigGeneral.dline_min_cidr);
          return 0;
        }

        aftype = AF_INET;
        break;
      case HM_IPV6:
        if ((unsigned int)bits < ConfigGeneral.dline_min_cidr6)
        {
          if (IsClient(source_p))
            sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
                              ConfigGeneral.dline_min_cidr6);
          return 0;
        }

        aftype = AF_INET6;
        break;
      default:  /* HM_HOST */
       return 0;
    }

    if ((conf = find_conf_by_address(NULL, &daddr, CONF_DLINE, aftype, NULL, NULL, 1)))
    {
      if (IsClient(source_p))
        sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
                          dlhost, conf->host, conf->reason);
      return 0;
    }

    dline_add(source_p, dlhost, reason, tdline_time);
  }

  return 0;
}

static struct Message dline_msgtab =
{
  .cmd = "DLINE",
  .args_min = 2,
  .args_max = MAXPARA,
  .handlers[UNREGISTERED_HANDLER] = m_unregistered,
  .handlers[CLIENT_HANDLER] = m_not_oper,
  .handlers[SERVER_HANDLER] = ms_dline,
  .handlers[ENCAP_HANDLER] = m_ignore,
  .handlers[OPER_HANDLER] = mo_dline
};

static void
module_init(void)
{
  mod_add_cmd(&dline_msgtab);
  add_capability("DLN", CAP_DLN);
}

static void
module_exit(void)
{
  mod_del_cmd(&dline_msgtab);
  delete_capability("DLN");
}

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	6313
Committed:	Sat Aug 1 18:03:39 2015 UTC (10 years ago) by michael
Content type:	text/x-csrc
File size:	10179 byte(s)
Log Message:	- Make use of the *Flag() macros in some more places
#	User	Rev	Content
1	michael	1058	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1058	*
4	michael	5347	* Copyright (c) 1997-2015 ircd-hybrid development team
5	michael	1058	*
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	1058	* USA
20			*/
21
22	michael	2810	/*! \file m_dline.c
23	michael	3348	* \brief Includes required functions for processing the DLINE command.
24	michael	2810	* \version $Id$
25			*/
26
27	michael	1058	#include "stdinc.h"
28			#include "list.h"
29			#include "client.h"
30			#include "irc_string.h"
31	michael	1632	#include "conf.h"
32	michael	1058	#include "ircd.h"
33			#include "hostmask.h"
34			#include "numeric.h"
35	michael	1309	#include "log.h"
36	michael	3347	#include "misc.h"
37	michael	1058	#include "send.h"
38	michael	3347	#include "server.h"
39	michael	1058	#include "parse.h"
40			#include "modules.h"
41	michael	1666	#include "memory.h"
42	michael	1058
43
44	michael	3929	static void
45	michael	5832	dline_check(struct AddressRec *arec)
46	michael	3929	{
47	michael	4815	dlink_node node = NULL, node_next = NULL;
48	michael	3929
49	michael	4815	DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
50	michael	3929	{
51	michael	4815	struct Client *client_p = node->data;
52	michael	3929
53			if (IsDead(client_p))
54			continue;
55
56			switch (arec->masktype)
57			{
58			case HM_IPV4:
59	michael	4588	if (client_p->connection->aftype == AF_INET)
60			if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
61	michael	3929	conf_try_ban(client_p, arec->conf);
62			break;
63			case HM_IPV6:
64	michael	4588	if (client_p->connection->aftype == AF_INET6)
65			if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
66	michael	3929	conf_try_ban(client_p, arec->conf);
67			break;
68			default: break;
69			}
70			}
71
72	michael	4815	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
73	michael	3929	{
74	michael	4815	struct Client *client_p = node->data;
75	michael	3929
76			if (IsDead(client_p))
77			continue;
78
79			switch (arec->masktype)
80			{
81			case HM_IPV4:
82	michael	4588	if (client_p->connection->aftype == AF_INET)
83			if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
84	michael	3929	conf_try_ban(client_p, arec->conf);
85			break;
86			case HM_IPV6:
87	michael	4588	if (client_p->connection->aftype == AF_INET6)
88			if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
89	michael	3929	conf_try_ban(client_p, arec->conf);
90			break;
91			default: break;
92			}
93			}
94			}
95
96
97	michael	5829	/* dline_add()
98	michael	1058	*
99			* inputs -
100			* output - NONE
101	michael	5829	* side effects - dline as given is placed
102	michael	1058	*/
103			static void
104	michael	5875	dline_add(struct Client source_p, const char addr, const char *reason,
105			time_t tdline_time)
106	michael	1058	{
107	michael	5829	char buf[IRCD_BUFSIZE];
108			struct MaskItem *conf;
109
110			if (tdline_time)
111			snprintf(buf, sizeof(buf), "Temporary D-line %d min. - %.*s (%s)",
112			(int)(tdline_time/60), REASONLEN, reason, smalldate(0));
113			else
114			snprintf(buf, sizeof(buf), "%.*s (%s)", REASONLEN, reason, smalldate(0));
115
116			conf = conf_make(CONF_DLINE);
117			conf->host = xstrdup(addr);
118			conf->reason = xstrdup(buf);
119			conf->setat = CurrentTime;
120			SetConfDatabase(conf);
121
122			if (tdline_time)
123	michael	1622	{
124	michael	5829	conf->until = CurrentTime + tdline_time;
125	michael	4639
126			if (IsClient(source_p))
127			sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
128	michael	5829	tdline_time/60, conf->host);
129	michael	4890
130	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
131			"%s added temporary %d min. D-Line for [%s] [%s]",
132	michael	5829	get_oper_name(source_p), tdline_time/60,
133	michael	1632	conf->host, conf->reason);
134	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
135	michael	5829	get_oper_name(source_p), tdline_time/60, conf->host, conf->reason);
136	michael	1622	}
137			else
138			{
139	michael	4639	if (IsClient(source_p))
140			sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
141
142	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
143			"%s added D-Line for [%s] [%s]",
144	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
145	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
146	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
147	michael	1622	}
148
149	michael	5832	dline_check(add_conf_by_address(CONF_DLINE, conf));
150	michael	1058	}
151
152			/* mo_dline()
153			*
154			* inputs - pointer to server
155			* - pointer to client
156			* - parameter count
157			* - parameter list
158			* output -
159			* side effects - D line is added
160			*
161			*/
162	michael	2820	static int
163	michael	3156	mo_dline(struct Client source_p, int parc, char parv[])
164	michael	1058	{
165	michael	1622	char dlhost = NULL, reason = NULL;
166	michael	1301	char *target_server = NULL;
167	michael	1058	const struct Client *target_p = NULL;
168			struct irc_ssaddr daddr;
169	michael	4890	struct MaskItem *conf = NULL;
170	michael	5829	time_t tdline_time = 0;
171	michael	1644	int bits = 0, aftype = 0, t = 0;
172	michael	1398	char hostip[HOSTIPLEN + 1];
173	michael	1058
174	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
175	michael	1058	{
176	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
177	michael	2820	return 0;
178	michael	1058	}
179
180	michael	5776	if (!parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
181	michael	5829	NULL, &tdline_time, &target_server, &reason))
182	michael	2820	return 0;
183	michael	1058
184	michael	3368	if (target_server)
185	michael	1301	{
186	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
187	michael	5829	target_server, (unsigned long)tdline_time,
188	michael	2807	dlhost, reason);
189	michael	1301
190			/* Allow ON to apply local kline as well if it matches */
191	michael	1652	if (match(target_server, me.name))
192	michael	2820	return 0;
193	michael	1301	}
194			else
195			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
196	michael	5829	"%d %s :%s", tdline_time, dlhost, reason);
197	michael	1301
198	michael	5822	if ((t = parse_netmask(dlhost, NULL, NULL)) == HM_HOST)
199	michael	1058	{
200	michael	3192	if ((target_p = find_chasing(source_p, dlhost)) == NULL)
201	michael	3737	return 0; /* find_chasing sends ERR_NOSUCHNICK */
202	michael	1058
203			if (!MyConnect(target_p))
204			{
205	michael	3118	sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
206	michael	2820	return 0;
207	michael	1058	}
208
209	michael	6313	if (HasFlag(target_p, FLAGS_EXEMPTKLINE))
210	michael	1058	{
211	michael	4934	sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
212	michael	2820	return 0;
213	michael	1058	}
214
215	michael	5051	getnameinfo((const struct sockaddr *)&target_p->connection->ip,
216	michael	4588	target_p->connection->ip.ss_len, hostip,
217	michael	1123	sizeof(hostip), NULL, 0, NI_NUMERICHOST);
218	michael	1058	dlhost = hostip;
219			}
220
221	michael	5819	switch (parse_netmask(dlhost, &daddr, &bits))
222	michael	1058	{
223	michael	5805	case HM_IPV4:
224			if ((unsigned int)bits < ConfigGeneral.dline_min_cidr)
225			{
226			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
227			ConfigGeneral.dline_min_cidr);
228			return 0;
229			}
230
231			aftype = AF_INET;
232			break;
233			case HM_IPV6:
234			if ((unsigned int)bits < ConfigGeneral.dline_min_cidr6)
235			{
236			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
237			ConfigGeneral.dline_min_cidr6);
238			return 0;
239			}
240
241			aftype = AF_INET6;
242			break;
243			default: /* HM_HOST */
244			return 0;
245	michael	1058	}
246
247	michael	5807	if ((conf = find_conf_by_address(NULL, &daddr, CONF_DLINE, aftype, NULL, NULL, 1)))
248	michael	1058	{
249	michael	5807	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
250			dlhost, conf->host, conf->reason);
251	michael	2820	return 0;
252	michael	1058	}
253
254	michael	5829	dline_add(source_p, dlhost, reason, tdline_time);
255	michael	2820	return 0;
256	michael	1058	}
257
258	michael	2820	static int
259	michael	3156	ms_dline(struct Client source_p, int parc, char parv[])
260	michael	1301	{
261	michael	5829	const char dlhost, reason;
262	michael	1301	struct irc_ssaddr daddr;
263	michael	4890	struct MaskItem *conf = NULL;
264	michael	5875	time_t tdline_time = 0;
265	michael	5818	int bits = 0, aftype = 0;
266	michael	1301
267			if (parc != 5 \|\| EmptyString(parv[4]))
268	michael	2820	return 0;
269	michael	1301
270			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
271	michael	5829	/* command target_server tdline_time host reason */
272	michael	4890	sendto_match_servs(source_p, parv[1], CAP_DLN, "DLINE %s %s %s :%s",
273	michael	1301	parv[1], parv[2], parv[3], parv[4]);
274
275	michael	1652	if (match(parv[1], me.name))
276	michael	2820	return 0;
277	michael	1301
278	michael	5829	tdline_time = valid_tkline(parv[2], TK_SECONDS);
279	michael	1301	dlhost = parv[3];
280			reason = parv[4];
281
282	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
283			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
284	michael	1301	source_p->username, source_p->host,
285			SHARED_DLINE))
286			{
287	michael	5818	switch (parse_netmask(dlhost, &daddr, &bits))
288	michael	1301	{
289	michael	5805	case HM_IPV4:
290			if ((unsigned int)bits < ConfigGeneral.dline_min_cidr)
291			{
292			if (IsClient(source_p))
293			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
294			ConfigGeneral.dline_min_cidr);
295			return 0;
296			}
297
298			aftype = AF_INET;
299			break;
300			case HM_IPV6:
301			if ((unsigned int)bits < ConfigGeneral.dline_min_cidr6)
302			{
303			if (IsClient(source_p))
304			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
305			ConfigGeneral.dline_min_cidr6);
306			return 0;
307			}
308
309			aftype = AF_INET6;
310			break;
311			default: /* HM_HOST */
312			return 0;
313	michael	1301	}
314
315	michael	5807	if ((conf = find_conf_by_address(NULL, &daddr, CONF_DLINE, aftype, NULL, NULL, 1)))
316	michael	1301	{
317	michael	5807	if (IsClient(source_p))
318	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
319	michael	5807	dlhost, conf->host, conf->reason);
320	michael	2820	return 0;
321	michael	1301	}
322
323	michael	5829	dline_add(source_p, dlhost, reason, tdline_time);
324	michael	1301	}
325	michael	2820
326			return 0;
327	michael	1301	}
328
329	michael	2810	static struct Message dline_msgtab =
330			{
331	michael	5881	.cmd = "DLINE",
332			.args_min = 2,
333			.args_max = MAXPARA,
334			.handlers[UNREGISTERED_HANDLER] = m_unregistered,
335			.handlers[CLIENT_HANDLER] = m_not_oper,
336			.handlers[SERVER_HANDLER] = ms_dline,
337			.handlers[ENCAP_HANDLER] = m_ignore,
338			.handlers[OPER_HANDLER] = mo_dline
339	michael	1230	};
340
341			static void
342			module_init(void)
343			{
344			mod_add_cmd(&dline_msgtab);
345	michael	5796	add_capability("DLN", CAP_DLN);
346	michael	1230	}
347
348			static void
349			module_exit(void)
350			{
351			mod_del_cmd(&dline_msgtab);
352	michael	1301	delete_capability("DLN");
353	michael	1230	}
354
355	michael	2810	struct module module_entry =
356			{
357	michael	1230	.version = "$Revision$",
358			.modinit = module_init,
359			.modexit = module_exit,
360			};