8.2.x/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 "conf_db.h"
#include "memory.h"


static void
check_dline(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;
    }
  }
}


/* apply_tdline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
apply_dline(struct Client *source_p, struct MaskItem *conf,
            time_t tkline_time)
{
  if (tkline_time)
  {
    conf->until = CurrentTime + tkline_time;

    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
                        tkline_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), tkline_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), tkline_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);
  }

  SetConfDatabase(conf);
  conf->setat = CurrentTime;
  check_dline(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 def_reason[] = CONF_NOREASON;
  char *dlhost = NULL, *reason = NULL;
  char *target_server = NULL;
  const char *creason;
  const struct Client *target_p = NULL;
  struct irc_ssaddr daddr;
  struct MaskItem *conf = NULL;
  time_t tkline_time=0;
  int bits = 0, aftype = 0, t = 0;
  char hostip[HOSTIPLEN + 1];
  char buffer[IRCD_BUFSIZE];

  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, &tkline_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)tkline_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", tkline_time, dlhost, reason);

  if ((t = parse_netmask(dlhost, NULL, &bits)) == 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 (IsExemptKline(target_p))
    {
      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;
    t = parse_netmask(dlhost, NULL, &bits);
    assert(t == HM_IPV4 || t == HM_IPV6);
  }

  if (bits < 8)
  {
    sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
    return 0;
  }

  if (t == HM_IPV6)
    aftype = AF_INET6;
  else
    aftype = AF_INET;

  parse_netmask(dlhost, &daddr, NULL);

  if ((conf = find_dline_conf(&daddr, aftype)))
  {
    creason = conf->reason ? conf->reason : def_reason;

    if (IsConfExemptKline(conf))
      sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
                        dlhost, conf->host, creason);
    else
      sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
                        dlhost, conf->host, creason);
    return 0;
  }

  conf = conf_make(CONF_DLINE);
  conf->host = xstrdup(dlhost);

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

  conf->reason = xstrdup(buffer);
  apply_dline(source_p, conf, tkline_time);
  return 0;
}

static int
ms_dline(struct Client *source_p, int parc, char *parv[])
{
  char def_reason[] = CONF_NOREASON;
  char *dlhost, *reason;
  const char *creason;
  struct irc_ssaddr daddr;
  struct MaskItem *conf = NULL;
  time_t tkline_time=0;
  int bits = 0, aftype = 0, t = 0;
  char buffer[IRCD_BUFSIZE];

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

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4] */
  /* command  target_server  tkline_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;

  tkline_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))
  {
    if ((t = parse_netmask(dlhost, &daddr, &bits)) == HM_HOST)
      return 0;

    if (bits < 8)
    {
      if (IsClient(source_p))
        sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
      return 0;
    }

    if (t == HM_IPV6)
      aftype = AF_INET6;
    else
      aftype = AF_INET;

    if ((conf = find_dline_conf(&daddr, aftype)))
    {
      if (!IsClient(source_p))
        return 0;

      creason = conf->reason ? conf->reason : def_reason;

      if (IsConfExemptKline(conf))
        sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
                          dlhost, conf->host, creason);
      else
        sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
                          dlhost, conf->host, creason);
      return 0;
    }

    conf = conf_make(CONF_DLINE);
    conf->host = xstrdup(dlhost);

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

    conf->reason = xstrdup(buffer);
    apply_dline(source_p, conf, tkline_time);
  }

  return 0;
}

static struct Message dline_msgtab =
{
  "DLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&dline_msgtab);
  add_capability("DLN", CAP_DLN, 1);
}

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

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	5775
Committed:	Sat Apr 4 17:31:06 2015 UTC (9 years ago) by michael
Content type:	text/x-csrc
File size:	10139 byte(s)
Log Message:	- Changed some function to void if we don't need a return value - Have some other functions return saner values
#	User	Rev	Content
1	michael	1058	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1058	*
4	michael	5346	* 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	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	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	1622	#include "conf_db.h"
42	michael	1666	#include "memory.h"
43	michael	1058
44
45	michael	3930	static void
46			check_dline(struct AddressRec *arec)
47			{
48	michael	4816	dlink_node node = NULL, node_next = NULL;
49	michael	3930
50	michael	4816	DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
51	michael	3930	{
52	michael	4816	struct Client *client_p = node->data;
53	michael	3930
54			if (IsDead(client_p))
55			continue;
56
57			switch (arec->masktype)
58			{
59			case HM_IPV4:
60	michael	4589	if (client_p->connection->aftype == AF_INET)
61			if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
62	michael	3930	conf_try_ban(client_p, arec->conf);
63			break;
64			case HM_IPV6:
65	michael	4589	if (client_p->connection->aftype == AF_INET6)
66			if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
67	michael	3930	conf_try_ban(client_p, arec->conf);
68			break;
69			default: break;
70			}
71			}
72
73	michael	4816	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
74	michael	3930	{
75	michael	4816	struct Client *client_p = node->data;
76	michael	3930
77			if (IsDead(client_p))
78			continue;
79
80			switch (arec->masktype)
81			{
82			case HM_IPV4:
83	michael	4589	if (client_p->connection->aftype == AF_INET)
84			if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
85	michael	3930	conf_try_ban(client_p, arec->conf);
86			break;
87			case HM_IPV6:
88	michael	4589	if (client_p->connection->aftype == AF_INET6)
89			if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
90	michael	3930	conf_try_ban(client_p, arec->conf);
91			break;
92			default: break;
93			}
94			}
95			}
96
97
98	michael	1058	/* apply_tdline()
99			*
100			* inputs -
101			* output - NONE
102			* side effects - tkline as given is placed
103			*/
104			static void
105	michael	1632	apply_dline(struct Client source_p, struct MaskItem conf,
106	michael	1622	time_t tkline_time)
107	michael	1058	{
108	michael	1622	if (tkline_time)
109			{
110	michael	1649	conf->until = CurrentTime + tkline_time;
111	michael	4640
112			if (IsClient(source_p))
113			sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
114			tkline_time/60, conf->host);
115	michael	4889
116	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
117			"%s added temporary %d min. D-Line for [%s] [%s]",
118			get_oper_name(source_p), tkline_time/60,
119	michael	1632	conf->host, conf->reason);
120	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
121	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
122	michael	1622	}
123			else
124			{
125	michael	4640	if (IsClient(source_p))
126			sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
127
128	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
129			"%s added D-Line for [%s] [%s]",
130	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
131	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
132	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
133	michael	1622	}
134
135	michael	1632	SetConfDatabase(conf);
136			conf->setat = CurrentTime;
137	michael	3930	check_dline(add_conf_by_address(CONF_DLINE, conf));
138	michael	1058	}
139
140			/* mo_dline()
141			*
142			* inputs - pointer to server
143			* - pointer to client
144			* - parameter count
145			* - parameter list
146			* output -
147			* side effects - D line is added
148			*
149			*/
150	michael	2820	static int
151	michael	3156	mo_dline(struct Client source_p, int parc, char parv[])
152	michael	1058	{
153	michael	1794	char def_reason[] = CONF_NOREASON;
154	michael	1622	char dlhost = NULL, reason = NULL;
155	michael	1301	char *target_server = NULL;
156	michael	1058	const char *creason;
157			const struct Client *target_p = NULL;
158			struct irc_ssaddr daddr;
159	michael	4889	struct MaskItem *conf = NULL;
160	michael	1058	time_t tkline_time=0;
161	michael	1644	int bits = 0, aftype = 0, t = 0;
162	michael	1398	char hostip[HOSTIPLEN + 1];
163	michael	1230	char buffer[IRCD_BUFSIZE];
164	michael	1058
165	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
166	michael	1058	{
167	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
168	michael	2820	return 0;
169	michael	1058	}
170
171	michael	5775	if (!parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
172			NULL, &tkline_time, &target_server, &reason))
173	michael	2820	return 0;
174	michael	1058
175	michael	3368	if (target_server)
176	michael	1301	{
177	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
178			target_server, (unsigned long)tkline_time,
179			dlhost, reason);
180	michael	1301
181			/* Allow ON to apply local kline as well if it matches */
182	michael	1652	if (match(target_server, me.name))
183	michael	2820	return 0;
184	michael	1301	}
185			else
186			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
187			"%d %s :%s", tkline_time, dlhost, reason);
188
189	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
190			{
191	michael	3192	if ((target_p = find_chasing(source_p, dlhost)) == NULL)
192	michael	3736	return 0; /* find_chasing sends ERR_NOSUCHNICK */
193	michael	1058
194			if (!MyConnect(target_p))
195			{
196	michael	3118	sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
197	michael	2820	return 0;
198	michael	1058	}
199
200			if (IsExemptKline(target_p))
201			{
202	michael	4935	sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
203	michael	2820	return 0;
204	michael	1058	}
205
206	michael	5050	getnameinfo((const struct sockaddr *)&target_p->connection->ip,
207	michael	4589	target_p->connection->ip.ss_len, hostip,
208	michael	1123	sizeof(hostip), NULL, 0, NI_NUMERICHOST);
209	michael	1058	dlhost = hostip;
210			t = parse_netmask(dlhost, NULL, &bits);
211			assert(t == HM_IPV4 \|\| t == HM_IPV6);
212			}
213
214			if (bits < 8)
215			{
216	michael	3110	sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
217	michael	2820	return 0;
218	michael	1058	}
219
220			if (t == HM_IPV6)
221	michael	1644	aftype = AF_INET6;
222	michael	1058	else
223	michael	1644	aftype = AF_INET;
224	michael	1058
225			parse_netmask(dlhost, &daddr, NULL);
226
227	michael	3368	if ((conf = find_dline_conf(&daddr, aftype)))
228	michael	1058	{
229	michael	1632	creason = conf->reason ? conf->reason : def_reason;
230	michael	2810
231	michael	1632	if (IsConfExemptKline(conf))
232	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
233			dlhost, conf->host, creason);
234	michael	1058	else
235	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
236			dlhost, conf->host, creason);
237	michael	2820	return 0;
238	michael	1058	}
239
240	michael	1632	conf = conf_make(CONF_DLINE);
241	michael	1646	conf->host = xstrdup(dlhost);
242	michael	1058
243	michael	3368	if (tkline_time)
244	michael	4672	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %.*s (%s)",
245	michael	4889	(int)(tkline_time/60), REASONLEN, reason, smalldate(0));
246	michael	1058	else
247	michael	4889	snprintf(buffer, sizeof(buffer), "%.*s (%s)", REASONLEN, reason, smalldate(0));
248	michael	1058
249	michael	1646	conf->reason = xstrdup(buffer);
250	michael	1632	apply_dline(source_p, conf, tkline_time);
251	michael	2820	return 0;
252	michael	1058	}
253
254	michael	2820	static int
255	michael	3156	ms_dline(struct Client source_p, int parc, char parv[])
256	michael	1301	{
257	michael	1794	char def_reason[] = CONF_NOREASON;
258	michael	1622	char dlhost, reason;
259	michael	1301	const char *creason;
260			struct irc_ssaddr daddr;
261	michael	4889	struct MaskItem *conf = NULL;
262	michael	1301	time_t tkline_time=0;
263	michael	1644	int bits = 0, aftype = 0, t = 0;
264	michael	1301	char buffer[IRCD_BUFSIZE];
265
266			if (parc != 5 \|\| EmptyString(parv[4]))
267	michael	2820	return 0;
268	michael	1301
269			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
270	michael	4640	/* command target_server tkline_time host reason */
271	michael	4889	sendto_match_servs(source_p, parv[1], CAP_DLN, "DLINE %s %s %s :%s",
272	michael	1301	parv[1], parv[2], parv[3], parv[4]);
273
274	michael	1652	if (match(parv[1], me.name))
275	michael	2820	return 0;
276	michael	1301
277			tkline_time = valid_tkline(parv[2], TK_SECONDS);
278			dlhost = parv[3];
279			reason = parv[4];
280
281	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
282			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
283	michael	1301	source_p->username, source_p->host,
284			SHARED_DLINE))
285			{
286	michael	4644	if ((t = parse_netmask(dlhost, &daddr, &bits)) == HM_HOST)
287			return 0;
288	michael	1301
289			if (bits < 8)
290			{
291	michael	4640	if (IsClient(source_p))
292			sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
293	michael	2820	return 0;
294	michael	1301	}
295
296			if (t == HM_IPV6)
297	michael	4648	aftype = AF_INET6;
298	michael	1301	else
299	michael	1644	aftype = AF_INET;
300	michael	1301
301	michael	3368	if ((conf = find_dline_conf(&daddr, aftype)))
302	michael	1301	{
303	michael	4640	if (!IsClient(source_p))
304			return 0;
305
306	michael	1632	creason = conf->reason ? conf->reason : def_reason;
307	michael	4889
308	michael	1632	if (IsConfExemptKline(conf))
309	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
310			dlhost, conf->host, creason);
311	michael	1301	else
312	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
313			dlhost, conf->host, creason);
314	michael	2820	return 0;
315	michael	1301	}
316
317	michael	1632	conf = conf_make(CONF_DLINE);
318	michael	1646	conf->host = xstrdup(dlhost);
319	michael	1301
320	michael	3368	if (tkline_time)
321	michael	4672	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %.*s (%s)",
322	michael	4889	(int)(tkline_time/60), REASONLEN, reason, smalldate(0));
323	michael	1301	else
324	michael	4889	snprintf(buffer, sizeof(buffer), "%.*s (%s)", REASONLEN, reason, smalldate(0));
325	michael	1301
326	michael	1646	conf->reason = xstrdup(buffer);
327	michael	1632	apply_dline(source_p, conf, tkline_time);
328	michael	1301	}
329	michael	2820
330			return 0;
331	michael	1301	}
332
333	michael	2810	static struct Message dline_msgtab =
334			{
335	michael	4546	"DLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
336	michael	2810	{ m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
337	michael	1230	};
338
339			static void
340			module_init(void)
341			{
342			mod_add_cmd(&dline_msgtab);
343	michael	1301	add_capability("DLN", CAP_DLN, 1);
344	michael	1230	}
345
346			static void
347			module_exit(void)
348			{
349			mod_del_cmd(&dline_msgtab);
350	michael	1301	delete_capability("DLN");
351	michael	1230	}
352
353	michael	2810	struct module module_entry =
354			{
355	michael	1230	.node = { NULL, NULL, NULL },
356			.name = NULL,
357			.version = "$Revision$",
358			.handle = NULL,
359			.modinit = module_init,
360			.modexit = module_exit,
361			.flags = 0
362			};