trunk/modules/m_dline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_dline.c: Bans a user.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "client.h"
#include "irc_string.h"
#include "conf.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "log.h"
#include "s_misc.h"
#include "send.h"
#include "hash.h"
#include "s_serv.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(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, 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(source_p, ":%s NOTICE %s :Added D-Line [%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, 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 | 1, 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 void
mo_dline(struct Client *client_p, 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;
  time_t cur_time;
  char hostip[HOSTIPLEN + 1];
  char buffer[IRCD_BUFSIZE];

  if (!HasOFlag(source_p, OPER_FLAG_DLINE))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "dline");
    return;
  }

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

  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;
  }
  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)) == NULL)
      return;

    if (!MyConnect(target_p))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :Can't DLINE nick on another server",
                 me.name, source_p->name);
      return;
    }

    if (IsExemptKline(target_p))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :%s is E-lined", me.name,
                 source_p->name, target_p->name);
      return;
    }

    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(source_p,
               ":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
               me.name, source_p->name);
    return;
  }

#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(source_p,
                 ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, conf->host, creason);
    else
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, conf->host, creason);
    return;
  }

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

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

  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;
}

static void
ms_dline(struct Client *client_p, 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;
  time_t cur_time;
  char hostip[HOSTIPLEN + 1];
  char buffer[IRCD_BUFSIZE];

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

  /* 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;

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

      if (!MyConnect(target_p))
      {
        sendto_one(source_p,
                   ":%s NOTICE %s :Can't DLINE nick on another server",
                   me.name, source_p->name);
        return;
      }

      if (IsExemptKline(target_p))
      {
        sendto_one(source_p,
                   ":%s NOTICE %s :%s is E-lined", me.name,
                   source_p->name, target_p->name);
        return;
      }

      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(source_p,
                 ":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
                 me.name, source_p->name);
      return;
    }

#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(source_p,
                   ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, conf->host, creason);
      else
        sendto_one(source_p,
                   ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, conf->host, creason);
      return;
    }

    cur_time = CurrentTime;
    current_date = smalldate(cur_time);

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

    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;
  }
}

/*
** 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] = sender nick
**      parv[1] = dline to remove
*/
static void
mo_undline(struct Client *client_p, 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(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "undline");
    return;
  }

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "UNDLINE");
    return;
  }

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

  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;
  }
  else
    cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
                   "%s", addr);

  if (remove_dline_match(addr))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :D-Line for [%s] is removed",
               me.name, source_p->name, 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(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
               me.name, source_p->name, addr);
}

static void
me_undline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  const char *addr = NULL;

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

  addr = parv[2];

  if (!IsClient(source_p) || match(parv[1], me.name))
    return;

  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(source_p,
                 ":%s NOTICE %s :D-Line for [%s] is removed",
                 me.name, source_p->name, 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(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
                 me.name, source_p->name, addr);
  }
}

static void
ms_undline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  if (parc != 3 || EmptyString(parv[2]))
    return;

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

  me_undline(client_p, source_p, parc, parv);
}

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:	2807
Committed:	Sun Jan 12 17:19:01 2014 UTC (12 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	14871 byte(s)
Log Message:	- m_dline.c:mo_dline(). if a target server exists, use sendto_match_servs() instead of sendto_server()
#	User	Rev	Content
1	michael	1058	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_dline.c: Bans a user.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22			* $Id$
23			*/
24
25			#include "stdinc.h"
26			#include "list.h"
27			#include "channel.h"
28			#include "client.h"
29			#include "irc_string.h"
30	michael	1632	#include "conf.h"
31	michael	1058	#include "ircd.h"
32			#include "hostmask.h"
33			#include "numeric.h"
34			#include "fdlist.h"
35			#include "s_bsd.h"
36	michael	1309	#include "log.h"
37	michael	1058	#include "s_misc.h"
38			#include "send.h"
39			#include "hash.h"
40			#include "s_serv.h"
41			#include "parse.h"
42			#include "modules.h"
43	michael	1622	#include "conf_db.h"
44	michael	1666	#include "memory.h"
45	michael	1058
46
47			/* apply_tdline()
48			*
49			* inputs -
50			* output - NONE
51			* side effects - tkline as given is placed
52			*/
53			static void
54	michael	1632	apply_dline(struct Client source_p, struct MaskItem conf,
55	michael	1622	time_t tkline_time)
56	michael	1058	{
57	michael	1622	if (tkline_time)
58			{
59	michael	1649	conf->until = CurrentTime + tkline_time;
60	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
61			"%s added temporary %d min. D-Line for [%s] [%s]",
62			get_oper_name(source_p), tkline_time/60,
63	michael	1632	conf->host, conf->reason);
64	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
65			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
66	michael	1632	source_p->name, tkline_time/60, conf->host);
67	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
68	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
69	michael	1622	}
70			else
71			{
72			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
73			"%s added D-Line for [%s] [%s]",
74	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
75	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]",
76			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
77	michael	1632	source_p->name, conf->host);
78	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
79	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
80	michael	1058
81	michael	1622	}
82
83	michael	1632	SetConfDatabase(conf);
84			conf->setat = CurrentTime;
85			add_conf_by_address(CONF_DLINE, conf);
86	michael	1058	rehashed_klines = 1;
87			}
88
89	michael	1298	/* static int remove_tdline_match(const char host, const char user)
90			* Input: An ip to undline.
91			* Output: returns YES on success, NO if no tdline removed.
92			* Side effects: Any matching tdlines are removed.
93			*/
94			static int
95	michael	1622	remove_dline_match(const char *host)
96	michael	1298	{
97	michael	1369	struct irc_ssaddr iphost, *piphost;
98	michael	1632	struct MaskItem *conf;
99	michael	1644	int t = 0;
100			int aftype = 0;
101	michael	1298
102	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
103	michael	1298	{
104			#ifdef IPV6
105	michael	1369	if (t == HM_IPV6)
106	michael	1644	aftype = AF_INET6;
107	michael	1369	else
108	michael	1298	#endif
109	michael	1644	aftype = AF_INET;
110	michael	1369	piphost = &iphost;
111			}
112			else
113			piphost = NULL;
114
115	michael	1703	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE \| 1, aftype, NULL, NULL, 0)))
116	michael	1369	{
117	michael	1632	if (IsConfDatabase(conf))
118	michael	1298	{
119	michael	1632	delete_one_address_conf(host, conf);
120	michael	1298	return 1;
121			}
122			}
123
124			return 0;
125			}
126
127	michael	1058	/* mo_dline()
128			*
129			* inputs - pointer to server
130			* - pointer to client
131			* - parameter count
132			* - parameter list
133			* output -
134			* side effects - D line is added
135			*
136			*/
137			static void
138			mo_dline(struct Client client_p, struct Client source_p,
139			int parc, char *parv[])
140			{
141	michael	1794	char def_reason[] = CONF_NOREASON;
142	michael	1622	char dlhost = NULL, reason = NULL;
143	michael	1301	char *target_server = NULL;
144	michael	1058	const char *creason;
145			const struct Client *target_p = NULL;
146			struct irc_ssaddr daddr;
147	michael	1632	struct MaskItem *conf=NULL;
148	michael	1058	time_t tkline_time=0;
149	michael	1644	int bits = 0, aftype = 0, t = 0;
150	michael	1058	const char *current_date = NULL;
151			time_t cur_time;
152	michael	1398	char hostip[HOSTIPLEN + 1];
153	michael	1230	char buffer[IRCD_BUFSIZE];
154	michael	1058
155	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
156	michael	1058	{
157	michael	1834	sendto_one(source_p, form_str(ERR_NOPRIVS),
158	michael	1515	me.name, source_p->name, "dline");
159	michael	1058	return;
160			}
161
162			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
163	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
164	michael	1058	return;
165
166	michael	1301	if (target_server != NULL)
167			{
168	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
169			target_server, (unsigned long)tkline_time,
170			dlhost, reason);
171	michael	1301
172			/* Allow ON to apply local kline as well if it matches */
173	michael	1652	if (match(target_server, me.name))
174	michael	1301	return;
175			}
176			else
177			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
178			"%d %s :%s", tkline_time, dlhost, reason);
179
180	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
181			{
182	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
183	michael	1058	return;
184
185			if (!MyConnect(target_p))
186			{
187			sendto_one(source_p,
188			":%s NOTICE %s :Can't DLINE nick on another server",
189			me.name, source_p->name);
190			return;
191			}
192
193			if (IsExemptKline(target_p))
194			{
195			sendto_one(source_p,
196			":%s NOTICE %s :%s is E-lined", me.name,
197			source_p->name, target_p->name);
198			return;
199			}
200
201	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
202			target_p->localClient->ip.ss_len, hostip,
203			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
204	michael	1058	dlhost = hostip;
205			t = parse_netmask(dlhost, NULL, &bits);
206			assert(t == HM_IPV4 \|\| t == HM_IPV6);
207			}
208
209			if (bits < 8)
210			{
211			sendto_one(source_p,
212			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
213			me.name, source_p->name);
214			return;
215			}
216
217			#ifdef IPV6
218			if (t == HM_IPV6)
219	michael	1644	aftype = AF_INET6;
220	michael	1058	else
221			#endif
222	michael	1644	aftype = AF_INET;
223	michael	1058
224			parse_netmask(dlhost, &daddr, NULL);
225
226	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
227	michael	1058	{
228	michael	1632	creason = conf->reason ? conf->reason : def_reason;
229			if (IsConfExemptKline(conf))
230	michael	1058	sendto_one(source_p,
231			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
232	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
233	michael	1058	else
234			sendto_one(source_p,
235			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
236	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
237	michael	1058	return;
238			}
239
240			cur_time = CurrentTime;
241			current_date = smalldate(cur_time);
242
243	michael	1243	if (!valid_comment(source_p, reason, 1))
244	michael	1058	return;
245
246	michael	1632	conf = conf_make(CONF_DLINE);
247	michael	1646	conf->host = xstrdup(dlhost);
248	michael	1058
249			if (tkline_time != 0)
250	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
251			(int)(tkline_time/60), reason, current_date);
252	michael	1058	else
253	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
254	michael	1058
255	michael	1646	conf->reason = xstrdup(buffer);
256	michael	1632	apply_dline(source_p, conf, tkline_time);
257	michael	1058	rehashed_klines = 1;
258			}
259
260	michael	1301	static void
261			ms_dline(struct Client client_p, struct Client source_p,
262			int parc, char *parv[])
263			{
264	michael	1794	char def_reason[] = CONF_NOREASON;
265	michael	1622	char dlhost, reason;
266	michael	1301	const char *creason;
267			const struct Client *target_p = NULL;
268			struct irc_ssaddr daddr;
269	michael	1632	struct MaskItem *conf=NULL;
270	michael	1301	time_t tkline_time=0;
271	michael	1644	int bits = 0, aftype = 0, t = 0;
272	michael	1301	const char *current_date = NULL;
273			time_t cur_time;
274	michael	1398	char hostip[HOSTIPLEN + 1];
275	michael	1301	char buffer[IRCD_BUFSIZE];
276
277			if (parc != 5 \|\| EmptyString(parv[4]))
278			return;
279
280			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
281			/* oper target_server tkline_time host reason */
282			sendto_match_servs(source_p, parv[1], CAP_DLN,
283			"DLINE %s %s %s :%s",
284			parv[1], parv[2], parv[3], parv[4]);
285
286	michael	1652	if (match(parv[1], me.name))
287	michael	1301	return;
288
289			tkline_time = valid_tkline(parv[2], TK_SECONDS);
290			dlhost = parv[3];
291			reason = parv[4];
292
293	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
294	michael	1301	source_p->username, source_p->host,
295			SHARED_DLINE))
296			{
297			if (!IsClient(source_p))
298			return;
299			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
300			{
301	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
302	michael	1301	return;
303
304			if (!MyConnect(target_p))
305			{
306			sendto_one(source_p,
307			":%s NOTICE %s :Can't DLINE nick on another server",
308			me.name, source_p->name);
309			return;
310			}
311
312			if (IsExemptKline(target_p))
313			{
314			sendto_one(source_p,
315			":%s NOTICE %s :%s is E-lined", me.name,
316			source_p->name, target_p->name);
317			return;
318			}
319
320			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
321			target_p->localClient->ip.ss_len, hostip,
322			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
323			dlhost = hostip;
324			t = parse_netmask(dlhost, NULL, &bits);
325			assert(t == HM_IPV4 \|\| t == HM_IPV6);
326			}
327
328			if (bits < 8)
329			{
330			sendto_one(source_p,
331			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
332			me.name, source_p->name);
333			return;
334			}
335
336			#ifdef IPV6
337			if (t == HM_IPV6)
338	michael	1644	aftype= AF_INET6;
339	michael	1301	else
340			#endif
341	michael	1644	aftype = AF_INET;
342	michael	1301
343			parse_netmask(dlhost, &daddr, NULL);
344
345	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
346	michael	1301	{
347	michael	1632	creason = conf->reason ? conf->reason : def_reason;
348			if (IsConfExemptKline(conf))
349	michael	1301	sendto_one(source_p,
350			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
351	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
352	michael	1301	else
353			sendto_one(source_p,
354			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
355	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
356	michael	1301	return;
357			}
358
359			cur_time = CurrentTime;
360			current_date = smalldate(cur_time);
361
362			if (!valid_comment(source_p, reason, 1))
363			return;
364
365	michael	1632	conf = conf_make(CONF_DLINE);
366	michael	1646	conf->host = xstrdup(dlhost);
367	michael	1301
368			if (tkline_time != 0)
369			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
370			(int)(tkline_time/60), reason, current_date);
371			else
372			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
373
374	michael	1646	conf->reason = xstrdup(buffer);
375	michael	1632	apply_dline(source_p, conf, tkline_time);
376	michael	1301	rehashed_klines = 1;
377			}
378			}
379
380	michael	1058	/*
381			** m_undline
382			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
383			** based totally on m_unkline
384			** added to hybrid-7 7/11/2000 --is
385			**
386			** parv[0] = sender nick
387			** parv[1] = dline to remove
388			*/
389			static void
390			mo_undline(struct Client client_p, struct Client source_p,
391			int parc, char *parv[])
392			{
393	michael	1301	char addr = NULL, user = NULL;
394			char *target_server = NULL;
395	michael	1058
396	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
397	michael	1058	{
398	michael	1834	sendto_one(source_p, form_str(ERR_NOPRIVS),
399	michael	1058	me.name, source_p->name, "undline");
400			return;
401			}
402
403	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
404			{
405	michael	1834	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
406	michael	1301	me.name, source_p->name, "UNDLINE");
407			return;
408			}
409	michael	1058
410	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
411			&addr, NULL, &target_server, NULL) < 0)
412			return;
413
414			if (target_server != NULL)
415			{
416			sendto_match_servs(source_p, target_server, CAP_UNDLN,
417			"UNDLINE %s %s", target_server, addr);
418
419			/* Allow ON to apply local unkline as well if it matches */
420	michael	1652	if (match(target_server, me.name))
421	michael	1301	return;
422			}
423			else
424			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
425			"%s", addr);
426
427	michael	1622	if (remove_dline_match(addr))
428	michael	1058	{
429			sendto_one(source_p,
430	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
431	michael	1301	me.name, source_p->name, addr);
432	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
433	michael	1622	"%s has removed the D-Line for: [%s]",
434	michael	1298	get_oper_name(source_p), addr);
435	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
436	michael	1298	get_oper_name(source_p), addr);
437	michael	1058	}
438			else
439			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
440	michael	1298	me.name, source_p->name, addr);
441	michael	1058	}
442	michael	1230
443	michael	1301	static void
444			me_undline(struct Client client_p, struct Client source_p,
445			int parc, char *parv[])
446			{
447			const char *addr = NULL;
448
449			if (parc != 3 \|\| EmptyString(parv[2]))
450			return;
451
452			addr = parv[2];
453
454	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
455	michael	1301	return;
456
457	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE,
458	michael	1301	source_p->servptr->name,
459			source_p->username, source_p->host,
460			SHARED_UNDLINE))
461			{
462	michael	1622	if (remove_dline_match(addr))
463	michael	1301	{
464			sendto_one(source_p,
465	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
466	michael	1301	me.name, source_p->name, addr);
467	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
468	michael	1622	"%s has removed the D-Line for: [%s]",
469	michael	1301	get_oper_name(source_p), addr);
470	michael	2340	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
471	michael	1301	get_oper_name(source_p), addr);
472			}
473			else
474			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
475			me.name, source_p->name, addr);
476			}
477			}
478
479			static void
480			ms_undline(struct Client client_p, struct Client source_p,
481			int parc, char *parv[])
482			{
483			if (parc != 3 \|\| EmptyString(parv[2]))
484			return;
485
486			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
487	michael	1761	"UNDLINE %s %s",
488	michael	1301	parv[1], parv[2]);
489
490			me_undline(client_p, source_p, parc, parv);
491			}
492
493	michael	1230	static struct Message dline_msgtab = {
494			"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
495	michael	1301	{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore}
496	michael	1230	};
497
498			static struct Message undline_msgtab = {
499			"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
500	michael	1301	{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore}
501	michael	1230	};
502
503			static void
504			module_init(void)
505			{
506			mod_add_cmd(&dline_msgtab);
507			mod_add_cmd(&undline_msgtab);
508	michael	1301	add_capability("DLN", CAP_DLN, 1);
509			add_capability("UNDLN", CAP_UNDLN, 1);
510	michael	1230	}
511
512			static void
513			module_exit(void)
514			{
515			mod_del_cmd(&dline_msgtab);
516			mod_del_cmd(&undline_msgtab);
517	michael	1301	delete_capability("UNDLN");
518			delete_capability("DLN");
519	michael	1230	}
520
521			struct module module_entry = {
522			.node = { NULL, NULL, NULL },
523			.name = NULL,
524			.version = "$Revision$",
525			.handle = NULL,
526			.modinit = module_init,
527			.modexit = module_exit,
528			.flags = 0
529			};