8.2.x/modules/m_dline.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 */

/*! \file m_dline.c
 * \brief Includes required functions for processing the DLINE/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"


/* 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;
    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);
    sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
                      tkline_time/60, conf->host);
    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
  {
    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);
    sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
    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;
  add_conf_by_address(CONF_DLINE, conf);
  rehashed_klines = 1;
}

/* 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)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      aftype = AF_INET6;
    else
#endif
      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;
}

/* 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;
  const char *current_date = NULL;
  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) < 0)
    return 0;

  if (target_server != NULL)
  {
    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;

    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((struct sockaddr *)&target_p->localClient->ip,
                target_p->localClient->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;
  }

#ifdef IPV6
  if (t == HM_IPV6)
    aftype = AF_INET6;
  else
#endif
    aftype = AF_INET;

  parse_netmask(dlhost, &daddr, NULL);

  if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
  {
    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;
  }

  current_date = smalldate(0);

  if (!valid_comment(source_p, reason, 1))
    return 0;

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

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

  conf->reason = xstrdup(buffer);
  apply_dline(source_p, conf, tkline_time);
  rehashed_klines = 1;
  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;
  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;
  const char *current_date = NULL;
  char hostip[HOSTIPLEN + 1];
  char buffer[IRCD_BUFSIZE];

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

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4] */
  /* oper     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 (!IsClient(source_p))
      return 0;

    if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
    {
      if ((target_p = find_chasing(source_p, dlhost)) == NULL)
        return 0;

      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((struct sockaddr *)&target_p->localClient->ip,
                  target_p->localClient->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;
    }

#ifdef IPV6
    if (t == HM_IPV6)
      aftype= AF_INET6;
    else
#endif
      aftype = AF_INET;

    parse_netmask(dlhost, &daddr, NULL);

    if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
    {
      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;
    }

    current_date = smalldate(0);

    if (!valid_comment(source_p, reason, 1))
      return 0;

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

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

    conf->reason = xstrdup(buffer);
    apply_dline(source_p, conf, tkline_time);
    rehashed_klines = 1;
  }

  return 0;
}

/*
** m_undline
** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
** based totally on m_unkline
** added to hybrid-7 7/11/2000 --is
**
**      parv[0] = command
**      parv[1] = dline to remove
*/
static int
mo_undline(struct Client *source_p, int parc, char *parv[])
{
  char *addr = NULL, *user = 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, &user,
                  &addr, NULL, &target_server, NULL) < 0)
    return 0;

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

    /* Allow ON to apply local unkline 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;
}

static int
ms_undline(struct Client *source_p, int parc, char *parv[])
{
  const char *addr = parv[1];

  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 (!IsClient(source_p) || 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))
    {
      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;
}

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

static struct Message undline_msgtab =
{
  "UNDLINE", 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(&dline_msgtab);
  mod_add_cmd(&undline_msgtab);
  add_capability("DLN", CAP_DLN, 1);
  add_capability("UNDLN", CAP_UNDLN, 1);
}

static void
module_exit(void)
{
  mod_del_cmd(&dline_msgtab);
  mod_del_cmd(&undline_msgtab);
  delete_capability("UNDLN");
  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:	3347
Committed:	Sun Apr 20 14:03:06 2014 UTC (12 years, 3 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/trunk/modules/m_dline.c*
File size:	13500 byte(s)
Log Message:	- Moved files: s_user.c -> user.c s_misc.c -> misc.c s_serv.c -> server.c
#	User	Rev	Content
1	michael	1058	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1058	*
4	michael	2818	* Copyright (c) 1997-2014 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			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* USA
20			*/
21
22	michael	2810	/*! \file m_dline.c
23			* \brief Includes required functions for processing the DLINE/UNDLINE command.
24			* \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			#include "hash.h"
39	michael	3347	#include "server.h"
40	michael	1058	#include "parse.h"
41			#include "modules.h"
42	michael	1622	#include "conf_db.h"
43	michael	1666	#include "memory.h"
44	michael	1058
45
46			/* apply_tdline()
47			*
48			* inputs -
49			* output - NONE
50			* side effects - tkline as given is placed
51			*/
52			static void
53	michael	1632	apply_dline(struct Client source_p, struct MaskItem conf,
54	michael	1622	time_t tkline_time)
55	michael	1058	{
56	michael	1622	if (tkline_time)
57			{
58	michael	1649	conf->until = CurrentTime + tkline_time;
59	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
60			"%s added temporary %d min. D-Line for [%s] [%s]",
61			get_oper_name(source_p), tkline_time/60,
62	michael	1632	conf->host, conf->reason);
63	michael	3110	sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
64			tkline_time/60, conf->host);
65	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
66	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
67	michael	1622	}
68			else
69			{
70			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
71			"%s added D-Line for [%s] [%s]",
72	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
73	michael	3110	sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
74	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
75	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
76	michael	1058
77	michael	1622	}
78
79	michael	1632	SetConfDatabase(conf);
80			conf->setat = CurrentTime;
81			add_conf_by_address(CONF_DLINE, conf);
82	michael	1058	rehashed_klines = 1;
83			}
84
85	michael	1298	/* static int remove_tdline_match(const char host, const char user)
86			* Input: An ip to undline.
87			* Output: returns YES on success, NO if no tdline removed.
88			* Side effects: Any matching tdlines are removed.
89			*/
90			static int
91	michael	1622	remove_dline_match(const char *host)
92	michael	1298	{
93	michael	1369	struct irc_ssaddr iphost, *piphost;
94	michael	1632	struct MaskItem *conf;
95	michael	1644	int t = 0;
96			int aftype = 0;
97	michael	1298
98	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
99	michael	1298	{
100			#ifdef IPV6
101	michael	1369	if (t == HM_IPV6)
102	michael	1644	aftype = AF_INET6;
103	michael	1369	else
104	michael	1298	#endif
105	michael	1644	aftype = AF_INET;
106	michael	1369	piphost = &iphost;
107			}
108			else
109			piphost = NULL;
110
111	michael	2997	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0)))
112	michael	1369	{
113	michael	1632	if (IsConfDatabase(conf))
114	michael	1298	{
115	michael	1632	delete_one_address_conf(host, conf);
116	michael	1298	return 1;
117			}
118			}
119
120			return 0;
121			}
122
123	michael	1058	/* mo_dline()
124			*
125			* inputs - pointer to server
126			* - pointer to client
127			* - parameter count
128			* - parameter list
129			* output -
130			* side effects - D line is added
131			*
132			*/
133	michael	2820	static int
134	michael	3156	mo_dline(struct Client source_p, int parc, char parv[])
135	michael	1058	{
136	michael	1794	char def_reason[] = CONF_NOREASON;
137	michael	1622	char dlhost = NULL, reason = NULL;
138	michael	1301	char *target_server = NULL;
139	michael	1058	const char *creason;
140			const struct Client *target_p = NULL;
141			struct irc_ssaddr daddr;
142	michael	1632	struct MaskItem *conf=NULL;
143	michael	1058	time_t tkline_time=0;
144	michael	1644	int bits = 0, aftype = 0, t = 0;
145	michael	1058	const char *current_date = NULL;
146	michael	1398	char hostip[HOSTIPLEN + 1];
147	michael	1230	char buffer[IRCD_BUFSIZE];
148	michael	1058
149	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
150	michael	1058	{
151	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
152	michael	2820	return 0;
153	michael	1058	}
154
155			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
156	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
157	michael	2820	return 0;
158	michael	1058
159	michael	1301	if (target_server != NULL)
160			{
161	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
162			target_server, (unsigned long)tkline_time,
163			dlhost, reason);
164	michael	1301
165			/* Allow ON to apply local kline as well if it matches */
166	michael	1652	if (match(target_server, me.name))
167	michael	2820	return 0;
168	michael	1301	}
169			else
170			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
171			"%d %s :%s", tkline_time, dlhost, reason);
172
173	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
174			{
175	michael	3192	if ((target_p = find_chasing(source_p, dlhost)) == NULL)
176	michael	2820	return 0;
177	michael	1058
178			if (!MyConnect(target_p))
179			{
180	michael	3118	sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
181	michael	2820	return 0;
182	michael	1058	}
183
184			if (IsExemptKline(target_p))
185			{
186	michael	3110	sendto_one_notice(source_p, &me, ":%s is E-lined",
187			target_p->name);
188	michael	2820	return 0;
189	michael	1058	}
190
191	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
192			target_p->localClient->ip.ss_len, hostip,
193			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
194	michael	1058	dlhost = hostip;
195			t = parse_netmask(dlhost, NULL, &bits);
196			assert(t == HM_IPV4 \|\| t == HM_IPV6);
197			}
198
199			if (bits < 8)
200			{
201	michael	3110	sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
202	michael	2820	return 0;
203	michael	1058	}
204
205			#ifdef IPV6
206			if (t == HM_IPV6)
207	michael	1644	aftype = AF_INET6;
208	michael	1058	else
209			#endif
210	michael	1644	aftype = AF_INET;
211	michael	1058
212			parse_netmask(dlhost, &daddr, NULL);
213
214	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
215	michael	1058	{
216	michael	1632	creason = conf->reason ? conf->reason : def_reason;
217	michael	2810
218	michael	1632	if (IsConfExemptKline(conf))
219	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
220			dlhost, conf->host, creason);
221	michael	1058	else
222	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
223			dlhost, conf->host, creason);
224	michael	2820	return 0;
225	michael	1058	}
226
227	michael	3208	current_date = smalldate(0);
228	michael	1058
229	michael	1243	if (!valid_comment(source_p, reason, 1))
230	michael	2820	return 0;
231	michael	1058
232	michael	1632	conf = conf_make(CONF_DLINE);
233	michael	1646	conf->host = xstrdup(dlhost);
234	michael	1058
235			if (tkline_time != 0)
236	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
237			(int)(tkline_time/60), reason, current_date);
238	michael	1058	else
239	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
240	michael	1058
241	michael	1646	conf->reason = xstrdup(buffer);
242	michael	1632	apply_dline(source_p, conf, tkline_time);
243	michael	1058	rehashed_klines = 1;
244	michael	2820	return 0;
245	michael	1058	}
246
247	michael	2820	static int
248	michael	3156	ms_dline(struct Client source_p, int parc, char parv[])
249	michael	1301	{
250	michael	1794	char def_reason[] = CONF_NOREASON;
251	michael	1622	char dlhost, reason;
252	michael	1301	const char *creason;
253			const struct Client *target_p = NULL;
254			struct irc_ssaddr daddr;
255	michael	1632	struct MaskItem *conf=NULL;
256	michael	1301	time_t tkline_time=0;
257	michael	1644	int bits = 0, aftype = 0, t = 0;
258	michael	1301	const char *current_date = NULL;
259	michael	1398	char hostip[HOSTIPLEN + 1];
260	michael	1301	char buffer[IRCD_BUFSIZE];
261
262			if (parc != 5 \|\| EmptyString(parv[4]))
263	michael	2820	return 0;
264	michael	1301
265			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
266			/* oper target_server tkline_time host reason */
267			sendto_match_servs(source_p, parv[1], CAP_DLN,
268			"DLINE %s %s %s :%s",
269			parv[1], parv[2], parv[3], parv[4]);
270
271	michael	1652	if (match(parv[1], me.name))
272	michael	2820	return 0;
273	michael	1301
274			tkline_time = valid_tkline(parv[2], TK_SECONDS);
275			dlhost = parv[3];
276			reason = parv[4];
277
278	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
279			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
280	michael	1301	source_p->username, source_p->host,
281			SHARED_DLINE))
282			{
283			if (!IsClient(source_p))
284	michael	2820	return 0;
285
286	michael	1301	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
287			{
288	michael	3192	if ((target_p = find_chasing(source_p, dlhost)) == NULL)
289	michael	2820	return 0;
290	michael	1301
291			if (!MyConnect(target_p))
292			{
293	michael	3118	sendto_one_notice(source_p, &me, ":Cannot DLINE nick on another server");
294	michael	2820	return 0;
295	michael	1301	}
296
297			if (IsExemptKline(target_p))
298			{
299	michael	3110	sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
300	michael	2820	return 0;
301	michael	1301	}
302
303			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
304			target_p->localClient->ip.ss_len, hostip,
305			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
306			dlhost = hostip;
307			t = parse_netmask(dlhost, NULL, &bits);
308			assert(t == HM_IPV4 \|\| t == HM_IPV6);
309			}
310
311			if (bits < 8)
312			{
313	michael	3110	sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
314	michael	2820	return 0;
315	michael	1301	}
316
317			#ifdef IPV6
318			if (t == HM_IPV6)
319	michael	1644	aftype= AF_INET6;
320	michael	1301	else
321			#endif
322	michael	1644	aftype = AF_INET;
323	michael	1301
324			parse_netmask(dlhost, &daddr, NULL);
325
326	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
327	michael	1301	{
328	michael	1632	creason = conf->reason ? conf->reason : def_reason;
329			if (IsConfExemptKline(conf))
330	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
331			dlhost, conf->host, creason);
332	michael	1301	else
333	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
334			dlhost, conf->host, creason);
335	michael	2820	return 0;
336	michael	1301	}
337
338	michael	3208	current_date = smalldate(0);
339	michael	1301
340			if (!valid_comment(source_p, reason, 1))
341	michael	2820	return 0;
342	michael	1301
343	michael	1632	conf = conf_make(CONF_DLINE);
344	michael	1646	conf->host = xstrdup(dlhost);
345	michael	1301
346			if (tkline_time != 0)
347			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
348			(int)(tkline_time/60), reason, current_date);
349			else
350			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
351
352	michael	1646	conf->reason = xstrdup(buffer);
353	michael	1632	apply_dline(source_p, conf, tkline_time);
354	michael	1301	rehashed_klines = 1;
355			}
356	michael	2820
357			return 0;
358	michael	1301	}
359
360	michael	1058	/*
361			** m_undline
362			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
363			** based totally on m_unkline
364			** added to hybrid-7 7/11/2000 --is
365			**
366	michael	3120	** parv[0] = command
367	michael	1058	** parv[1] = dline to remove
368			*/
369	michael	2820	static int
370	michael	3156	mo_undline(struct Client source_p, int parc, char parv[])
371	michael	1058	{
372	michael	1301	char addr = NULL, user = NULL;
373			char *target_server = NULL;
374	michael	1058
375	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
376	michael	1058	{
377	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline");
378	michael	2820	return 0;
379	michael	1058	}
380
381	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
382			{
383	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE");
384	michael	2820	return 0;
385	michael	1301	}
386	michael	1058
387	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
388			&addr, NULL, &target_server, NULL) < 0)
389	michael	2820	return 0;
390	michael	1301
391			if (target_server != NULL)
392			{
393			sendto_match_servs(source_p, target_server, CAP_UNDLN,
394			"UNDLINE %s %s", target_server, addr);
395
396			/* Allow ON to apply local unkline as well if it matches */
397	michael	1652	if (match(target_server, me.name))
398	michael	2820	return 0;
399	michael	1301	}
400			else
401			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
402			"%s", addr);
403
404	michael	1622	if (remove_dline_match(addr))
405	michael	1058	{
406	michael	3110	sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
407	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
408	michael	1622	"%s has removed the D-Line for: [%s]",
409	michael	1298	get_oper_name(source_p), addr);
410	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
411	michael	1298	get_oper_name(source_p), addr);
412	michael	1058	}
413			else
414	michael	3110	sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
415	michael	2820	return 0;
416	michael	1058	}
417	michael	1230
418	michael	2820	static int
419	michael	3156	ms_undline(struct Client source_p, int parc, char parv[])
420	michael	1301	{
421	michael	2857	const char *addr = parv[1];
422	michael	1301
423			if (parc != 3 \|\| EmptyString(parv[2]))
424	michael	2820	return 0;
425	michael	1301
426	michael	2857	sendto_match_servs(source_p, parv[1], CAP_UNDLN,
427			"UNDLINE %s %s",
428			parv[1], parv[2]);
429	michael	1301
430	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
431	michael	2820	return 0;
432	michael	1301
433	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
434			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
435			source_p->username, source_p->host,
436			SHARED_UNDLINE))
437	michael	1301	{
438	michael	1622	if (remove_dline_match(addr))
439	michael	1301	{
440	michael	3110	sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
441	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
442	michael	1622	"%s has removed the D-Line for: [%s]",
443	michael	1301	get_oper_name(source_p), addr);
444	michael	2340	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
445	michael	1301	get_oper_name(source_p), addr);
446			}
447			else
448	michael	3110	sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
449	michael	1301	}
450	michael	2820
451			return 0;
452	michael	1301	}
453
454	michael	2810	static struct Message dline_msgtab =
455			{
456	michael	1230	"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
457	michael	2810	{ m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
458	michael	1230	};
459
460	michael	2810	static struct Message undline_msgtab =
461			{
462	michael	1230	"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
463	michael	2810	{ m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
464	michael	1230	};
465
466			static void
467			module_init(void)
468			{
469			mod_add_cmd(&dline_msgtab);
470			mod_add_cmd(&undline_msgtab);
471	michael	1301	add_capability("DLN", CAP_DLN, 1);
472			add_capability("UNDLN", CAP_UNDLN, 1);
473	michael	1230	}
474
475			static void
476			module_exit(void)
477			{
478			mod_del_cmd(&dline_msgtab);
479			mod_del_cmd(&undline_msgtab);
480	michael	1301	delete_capability("UNDLN");
481			delete_capability("DLN");
482	michael	1230	}
483
484	michael	2810	struct module module_entry =
485			{
486	michael	1230	.node = { NULL, NULL, NULL },
487			.name = NULL,
488			.version = "$Revision$",
489			.handle = NULL,
490			.modinit = module_init,
491			.modexit = module_exit,
492			.flags = 0
493			};