8.2.x/modules/m_dline.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2018 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 "conf_cluster.h"
#include "conf_shared.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "log.h"
#include "misc.h"
#include "send.h"
#include "server_capab.h"
#include "parse.h"
#include "modules.h"
#include "memory.h"


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

  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->ip.ss.ss_family == AF_INET)
          if (match_ipv4(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
        break;
      case HM_IPV6:
        if (client_p->ip.ss.ss_family == AF_INET6)
          if (match_ipv6(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
        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->ip.ss.ss_family == AF_INET)
          if (match_ipv4(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
        break;
      case HM_IPV6:
        if (client_p->ip.ss.ss_family == AF_INET6)
          if (match_ipv6(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
        break;
      default: break;
    }
  }
}

/* dline_add()
 *
 * inputs       -
 * output       - NONE
 * side effects - dline as given is placed
 */
static void
dline_handle(struct Client *source_p, struct aline_ctx *aline)
{
  char buf[IRCD_BUFSIZE];
  struct irc_ssaddr addr;
  int bits = 0, aftype = 0;

  if (!HasFlag(source_p, FLAGS_SERVICE) && valid_wild_card(1, aline->host) == false)
  {
    sendto_one_notice(source_p, &me,
                      ":Please include at least %u non-wildcard characters with the mask",
                      ConfigGeneral.min_nonwildcard);
    return;
  }

  switch (parse_netmask(aline->host, &addr, &bits))
  {
    case HM_IPV4:
      if (!HasFlag(source_p, FLAGS_SERVICE) && (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;
      }

      aftype = AF_INET;
      break;
    case HM_IPV6:
      if (!HasFlag(source_p, FLAGS_SERVICE) && (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;
      }

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

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

  if (aline->duration)
    snprintf(buf, sizeof(buf), "Temporary D-line %ju min. - %.*s (%s)",
             aline->duration / 60, REASONLEN, aline->reason, date_iso8601(0));
  else
    snprintf(buf, sizeof(buf), "%.*s (%s)", REASONLEN, aline->reason, date_iso8601(0));

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

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

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

    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
                         "%s added temporary %ju min. D-Line for [%s] [%s]",
                         get_oper_name(source_p), aline->duration / 60,
                         conf->host, conf->reason);
    ilog(LOG_TYPE_DLINE, "%s added temporary %ju min. D-Line for [%s] [%s]",
         get_oper_name(source_p), aline->duration / 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_SERVNOTICE, 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[])
{
  struct aline_ctx aline = { .add = true, .requires_user = false };
  const struct Client *target_p = NULL;
  int 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, &aline) == false)
    return 0;

  if (aline.server)
  {
    sendto_match_servs(source_p, aline.server, CAPAB_DLN, "DLINE %s %ju %s :%s",
                       aline.server, aline.duration, aline.host, aline.reason);

    /* Allow ON to apply local dline as well if it matches */
    if (match(aline.server, me.name))
      return 0;
  }
  else
    cluster_distribute(source_p, "DLINE", CAPAB_DLN, CLUSTER_DLINE,
                       "%ju %s :%s", aline.duration, aline.host, aline.reason);

  if ((t = parse_netmask(aline.host, NULL, NULL)) == HM_HOST)
  {
    if ((target_p = find_chasing(source_p, aline.host)) == 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->ip, target_p->ip.ss_len,
                hostip, sizeof(hostip), NULL, 0, NI_NUMERICHOST);
    aline.host = hostip;
  }

  dline_handle(source_p, &aline);
  return 0;
}

/*! \brief DLINE 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 mask
 *      - parv[2] = duration in seconds
 *      - parv[3] = IP address
 *      - parv[4] = reason
 */
static int
ms_dline(struct Client *source_p, int parc, char *parv[])
{
  struct aline_ctx aline =
  {
    .add = true,
    .requires_user = false,
    .host = parv[3],
    .reason = parv[4],
    .server = parv[1],
    .duration = strtoumax(parv[2], NULL, 10)
  };

  if (parc != 5 || EmptyString(parv[parc - 1]))
    return 0;

  sendto_match_servs(source_p, aline.server, CAPAB_DLN, "DLINE %s %ju %s :%s",
                     aline.server, aline.duration, aline.host, aline.reason);

  if (match(aline.server, me.name))
    return 0;

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      shared_find(SHARED_DLINE, source_p->servptr->name,
                  source_p->username, source_p->host))
    dline_handle(source_p, &aline);

  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);
  capab_add("DLN", CAPAB_DLN);
}

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

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	8669
Committed:	Sat Nov 24 13:31:53 2018 UTC (7 years, 8 months ago) by michael
Content type:	text/x-csrc
File size:	9833 byte(s)
Log Message:	- Cleanup parse_aline() related code
#	User	Rev	Content
1	michael	1058	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1058	*
4	michael	8280	* Copyright (c) 1997-2018 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	4564	* 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	7208	#include "conf_cluster.h"
33			#include "conf_shared.h"
34	michael	1058	#include "ircd.h"
35			#include "hostmask.h"
36			#include "numeric.h"
37	michael	1309	#include "log.h"
38	michael	3347	#include "misc.h"
39	michael	1058	#include "send.h"
40	michael	8165	#include "server_capab.h"
41	michael	1058	#include "parse.h"
42			#include "modules.h"
43	michael	1666	#include "memory.h"
44	michael	1058
45
46	michael	3930	static void
47	michael	7434	dline_check(const struct AddressRec *arec)
48	michael	3930	{
49	michael	8058	dlink_node node, node_next;
50	michael	3930
51	michael	4816	DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
52	michael	3930	{
53	michael	4816	struct Client *client_p = node->data;
54	michael	3930
55			if (IsDead(client_p))
56			continue;
57
58			switch (arec->masktype)
59			{
60			case HM_IPV4:
61	michael	8499	if (client_p->ip.ss.ss_family == AF_INET)
62	michael	8495	if (match_ipv4(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
63	michael	7303	conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
64	michael	3930	break;
65			case HM_IPV6:
66	michael	8499	if (client_p->ip.ss.ss_family == AF_INET6)
67	michael	8495	if (match_ipv6(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
68	michael	7303	conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
69	michael	3930	break;
70			default: break;
71			}
72			}
73
74	michael	4816	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
75	michael	3930	{
76	michael	4816	struct Client *client_p = node->data;
77	michael	3930
78			if (IsDead(client_p))
79			continue;
80
81			switch (arec->masktype)
82			{
83			case HM_IPV4:
84	michael	8499	if (client_p->ip.ss.ss_family == AF_INET)
85	michael	8495	if (match_ipv4(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
86	michael	7303	conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
87	michael	3930	break;
88			case HM_IPV6:
89	michael	8499	if (client_p->ip.ss.ss_family == AF_INET6)
90	michael	8495	if (match_ipv6(&client_p->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
91	michael	7303	conf_try_ban(client_p, CLIENT_BAN_DLINE, arec->conf->reason);
92	michael	3930	break;
93			default: break;
94			}
95			}
96			}
97
98	michael	5830	/* dline_add()
99	michael	1058	*
100			* inputs -
101			* output - NONE
102	michael	5830	* side effects - dline as given is placed
103	michael	1058	*/
104			static void
105	michael	8669	dline_handle(struct Client source_p, struct aline_ctx aline)
106	michael	1058	{
107	michael	5830	char buf[IRCD_BUFSIZE];
108	michael	8669	struct irc_ssaddr addr;
109	michael	7418	int bits = 0, aftype = 0;
110	michael	5830
111	michael	8669	if (!HasFlag(source_p, FLAGS_SERVICE) && valid_wild_card(1, aline->host) == false)
112	michael	7428	{
113			sendto_one_notice(source_p, &me,
114			":Please include at least %u non-wildcard characters with the mask",
115			ConfigGeneral.min_nonwildcard);
116			return;
117			}
118
119	michael	8669	switch (parse_netmask(aline->host, &addr, &bits))
120	michael	7418	{
121			case HM_IPV4:
122			if (!HasFlag(source_p, FLAGS_SERVICE) && (unsigned int)bits < ConfigGeneral.dline_min_cidr)
123			{
124			if (IsClient(source_p))
125			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
126			ConfigGeneral.dline_min_cidr);
127			return;
128			}
129
130			aftype = AF_INET;
131			break;
132			case HM_IPV6:
133			if (!HasFlag(source_p, FLAGS_SERVICE) && (unsigned int)bits < ConfigGeneral.dline_min_cidr6)
134			{
135			if (IsClient(source_p))
136			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than %u require conf access.",
137			ConfigGeneral.dline_min_cidr6);
138			return;
139			}
140
141			aftype = AF_INET6;
142			break;
143			default: /* HM_HOST */
144			return;
145			}
146
147	michael	8430	struct MaskItem *conf;
148	michael	8669	if ((conf = find_conf_by_address(NULL, &addr, CONF_DLINE, aftype, NULL, NULL, 1)))
149	michael	7418	{
150			if (IsClient(source_p))
151			sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
152	michael	8669	aline->host, conf->host, conf->reason);
153	michael	7418	return;
154			}
155
156	michael	8669	if (aline->duration)
157	michael	6781	snprintf(buf, sizeof(buf), "Temporary D-line %ju min. - %.*s (%s)",
158	michael	8669	aline->duration / 60, REASONLEN, aline->reason, date_iso8601(0));
159	michael	5830	else
160	michael	8669	snprintf(buf, sizeof(buf), "%.*s (%s)", REASONLEN, aline->reason, date_iso8601(0));
161	michael	5830
162	michael	7418	conf = conf_make(CONF_DLINE);
163	michael	8669	conf->host = xstrdup(aline->host);
164	michael	5830	conf->reason = xstrdup(buf);
165			conf->setat = CurrentTime;
166			SetConfDatabase(conf);
167
168	michael	8669	if (aline->duration)
169	michael	1622	{
170	michael	8669	conf->until = CurrentTime + aline->duration;
171	michael	4640
172			if (IsClient(source_p))
173	michael	6781	sendto_one_notice(source_p, &me, ":Added temporary %ju min. D-Line [%s]",
174	michael	8669	aline->duration / 60, conf->host);
175	michael	4889
176	michael	6317	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
177	michael	6781	"%s added temporary %ju min. D-Line for [%s] [%s]",
178	michael	8669	get_oper_name(source_p), aline->duration / 60,
179	michael	1632	conf->host, conf->reason);
180	michael	6781	ilog(LOG_TYPE_DLINE, "%s added temporary %ju min. D-Line for [%s] [%s]",
181	michael	8669	get_oper_name(source_p), aline->duration / 60, conf->host, conf->reason);
182	michael	1622	}
183			else
184			{
185	michael	4640	if (IsClient(source_p))
186			sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
187
188	michael	6317	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
189	michael	1622	"%s added D-Line for [%s] [%s]",
190	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
191	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
192	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
193	michael	1622	}
194
195	michael	5831	dline_check(add_conf_by_address(CONF_DLINE, conf));
196	michael	1058	}
197
198			/* mo_dline()
199			*
200			* inputs - pointer to server
201			* - pointer to client
202			* - parameter count
203			* - parameter list
204			* output -
205			* side effects - D line is added
206			*
207			*/
208	michael	2820	static int
209	michael	3156	mo_dline(struct Client source_p, int parc, char parv[])
210	michael	1058	{
211	michael	8669	struct aline_ctx aline = { .add = true, .requires_user = false };
212	michael	1058	const struct Client *target_p = NULL;
213	michael	7418	int t = 0;
214	michael	1398	char hostip[HOSTIPLEN + 1];
215	michael	1058
216	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
217	michael	1058	{
218	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
219	michael	2820	return 0;
220	michael	1058	}
221
222	michael	8669	if (parse_aline("DLINE", source_p, parc, parv, &aline) == false)
223	michael	2820	return 0;
224	michael	1058
225	michael	8669	if (aline.server)
226	michael	1301	{
227	michael	8669	sendto_match_servs(source_p, aline.server, CAPAB_DLN, "DLINE %s %ju %s :%s",
228			aline.server, aline.duration, aline.host, aline.reason);
229	michael	1301
230	michael	6431	/* Allow ON to apply local dline as well if it matches */
231	michael	8669	if (match(aline.server, me.name))
232	michael	2820	return 0;
233	michael	1301	}
234			else
235	michael	7208	cluster_distribute(source_p, "DLINE", CAPAB_DLN, CLUSTER_DLINE,
236	michael	8669	"%ju %s :%s", aline.duration, aline.host, aline.reason);
237	michael	1301
238	michael	8669	if ((t = parse_netmask(aline.host, NULL, NULL)) == HM_HOST)
239	michael	1058	{
240	michael	8669	if ((target_p = find_chasing(source_p, aline.host)) == NULL)
241	michael	3736	return 0; /* find_chasing sends ERR_NOSUCHNICK */
242	michael	1058
243			if (!MyConnect(target_p))
244			{
245	michael	3118	sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
246	michael	2820	return 0;
247	michael	1058	}
248
249	michael	6314	if (HasFlag(target_p, FLAGS_EXEMPTKLINE))
250	michael	1058	{
251	michael	4935	sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
252	michael	2820	return 0;
253	michael	1058	}
254
255	michael	8495	getnameinfo((const struct sockaddr *)&target_p->ip, target_p->ip.ss_len,
256			hostip, sizeof(hostip), NULL, 0, NI_NUMERICHOST);
257	michael	8669	aline.host = hostip;
258	michael	1058	}
259
260	michael	8669	dline_handle(source_p, &aline);
261	michael	2820	return 0;
262	michael	1058	}
263
264	michael	7093	/*! \brief DLINE command handler
265			*
266			* \param source_p Pointer to allocated Client struct from which the message
267			* originally comes from. This can be a local or remote client.
268			* \param parc Integer holding the number of supplied arguments.
269			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
270			* pointers.
271			* \note Valid arguments for this command are:
272			* - parv[0] = command
273			* - parv[1] = target server mask
274			* - parv[2] = duration in seconds
275			* - parv[3] = IP address
276			* - parv[4] = reason
277			*/
278	michael	2820	static int
279	michael	3156	ms_dline(struct Client source_p, int parc, char parv[])
280	michael	1301	{
281	michael	8669	struct aline_ctx aline =
282			{
283			.add = true,
284			.requires_user = false,
285			.host = parv[3],
286			.reason = parv[4],
287			.server = parv[1],
288			.duration = strtoumax(parv[2], NULL, 10)
289			};
290	michael	1301
291	michael	8669	if (parc != 5 \|\| EmptyString(parv[parc - 1]))
292	michael	2820	return 0;
293	michael	1301
294	michael	8669	sendto_match_servs(source_p, aline.server, CAPAB_DLN, "DLINE %s %ju %s :%s",
295			aline.server, aline.duration, aline.host, aline.reason);
296	michael	1301
297	michael	8669	if (match(aline.server, me.name))
298	michael	2820	return 0;
299	michael	1301
300	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
301	michael	7208	shared_find(SHARED_DLINE, source_p->servptr->name,
302			source_p->username, source_p->host))
303	michael	8669	dline_handle(source_p, &aline);
304	michael	5810
305	michael	2820	return 0;
306	michael	1301	}
307
308	michael	2810	static struct Message dline_msgtab =
309			{
310	michael	5880	.cmd = "DLINE",
311			.args_min = 2,
312			.args_max = MAXPARA,
313			.handlers[UNREGISTERED_HANDLER] = m_unregistered,
314			.handlers[CLIENT_HANDLER] = m_not_oper,
315			.handlers[SERVER_HANDLER] = ms_dline,
316			.handlers[ENCAP_HANDLER] = m_ignore,
317			.handlers[OPER_HANDLER] = mo_dline
318	michael	1230	};
319
320			static void
321			module_init(void)
322			{
323			mod_add_cmd(&dline_msgtab);
324	michael	8165	capab_add("DLN", CAPAB_DLN);
325	michael	1230	}
326
327			static void
328			module_exit(void)
329			{
330			mod_del_cmd(&dline_msgtab);
331	michael	8165	capab_del("DLN");
332	michael	1230	}
333
334	michael	2810	struct module module_entry =
335			{
336	michael	1230	.version = "$Revision$",
337			.modinit = module_init,
338			.modexit = module_exit,
339			};