8.2.x/modules/m_dline.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2002-2014 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 "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:	2810
Committed:	Sun Jan 12 18:30:44 2014 UTC (10 years, 3 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/trunk/modules/m_dline.c*
File size:	14894 byte(s)
Log Message:	- m_dline.c, m_kline.c: fixed indentation, style cleanups, reformatting
#	User	Rev	Content
1	michael	1058	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1058	*
4	michael	2810	* Copyright (c) 2002-2014 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 "channel.h"
30			#include "client.h"
31			#include "irc_string.h"
32	michael	1632	#include "conf.h"
33	michael	1058	#include "ircd.h"
34			#include "hostmask.h"
35			#include "numeric.h"
36			#include "fdlist.h"
37			#include "s_bsd.h"
38	michael	1309	#include "log.h"
39	michael	1058	#include "s_misc.h"
40			#include "send.h"
41			#include "hash.h"
42			#include "s_serv.h"
43			#include "parse.h"
44			#include "modules.h"
45	michael	1622	#include "conf_db.h"
46	michael	1666	#include "memory.h"
47	michael	1058
48
49			/* apply_tdline()
50			*
51			* inputs -
52			* output - NONE
53			* side effects - tkline as given is placed
54			*/
55			static void
56	michael	1632	apply_dline(struct Client source_p, struct MaskItem conf,
57	michael	1622	time_t tkline_time)
58	michael	1058	{
59	michael	1622	if (tkline_time)
60			{
61	michael	1649	conf->until = CurrentTime + tkline_time;
62	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
63			"%s added temporary %d min. D-Line for [%s] [%s]",
64			get_oper_name(source_p), tkline_time/60,
65	michael	1632	conf->host, conf->reason);
66	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
67			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
68	michael	1632	source_p->name, tkline_time/60, conf->host);
69	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
70	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
71	michael	1622	}
72			else
73			{
74			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
75			"%s added D-Line for [%s] [%s]",
76	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
77	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]",
78			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
79	michael	1632	source_p->name, conf->host);
80	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
81	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
82	michael	1058
83	michael	1622	}
84
85	michael	1632	SetConfDatabase(conf);
86			conf->setat = CurrentTime;
87			add_conf_by_address(CONF_DLINE, conf);
88	michael	1058	rehashed_klines = 1;
89			}
90
91	michael	1298	/* static int remove_tdline_match(const char host, const char user)
92			* Input: An ip to undline.
93			* Output: returns YES on success, NO if no tdline removed.
94			* Side effects: Any matching tdlines are removed.
95			*/
96			static int
97	michael	1622	remove_dline_match(const char *host)
98	michael	1298	{
99	michael	1369	struct irc_ssaddr iphost, *piphost;
100	michael	1632	struct MaskItem *conf;
101	michael	1644	int t = 0;
102			int aftype = 0;
103	michael	1298
104	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
105	michael	1298	{
106			#ifdef IPV6
107	michael	1369	if (t == HM_IPV6)
108	michael	1644	aftype = AF_INET6;
109	michael	1369	else
110	michael	1298	#endif
111	michael	1644	aftype = AF_INET;
112	michael	1369	piphost = &iphost;
113			}
114			else
115			piphost = NULL;
116
117	michael	1703	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE \| 1, aftype, NULL, NULL, 0)))
118	michael	1369	{
119	michael	1632	if (IsConfDatabase(conf))
120	michael	1298	{
121	michael	1632	delete_one_address_conf(host, conf);
122	michael	1298	return 1;
123			}
124			}
125
126			return 0;
127			}
128
129	michael	1058	/* mo_dline()
130			*
131			* inputs - pointer to server
132			* - pointer to client
133			* - parameter count
134			* - parameter list
135			* output -
136			* side effects - D line is added
137			*
138			*/
139			static void
140			mo_dline(struct Client client_p, struct Client source_p,
141			int parc, char *parv[])
142			{
143	michael	1794	char def_reason[] = CONF_NOREASON;
144	michael	1622	char dlhost = NULL, reason = NULL;
145	michael	1301	char *target_server = NULL;
146	michael	1058	const char *creason;
147			const struct Client *target_p = NULL;
148			struct irc_ssaddr daddr;
149	michael	1632	struct MaskItem *conf=NULL;
150	michael	1058	time_t tkline_time=0;
151	michael	1644	int bits = 0, aftype = 0, t = 0;
152	michael	1058	const char *current_date = NULL;
153			time_t cur_time;
154	michael	1398	char hostip[HOSTIPLEN + 1];
155	michael	1230	char buffer[IRCD_BUFSIZE];
156	michael	1058
157	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
158	michael	1058	{
159	michael	2810	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
160			source_p->name, "dline");
161	michael	1058	return;
162			}
163
164			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
165	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
166	michael	1058	return;
167
168	michael	1301	if (target_server != NULL)
169			{
170	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
171			target_server, (unsigned long)tkline_time,
172			dlhost, reason);
173	michael	1301
174			/* Allow ON to apply local kline as well if it matches */
175	michael	1652	if (match(target_server, me.name))
176	michael	1301	return;
177			}
178			else
179			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
180			"%d %s :%s", tkline_time, dlhost, reason);
181
182	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
183			{
184	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
185	michael	1058	return;
186
187			if (!MyConnect(target_p))
188			{
189			sendto_one(source_p,
190			":%s NOTICE %s :Can't DLINE nick on another server",
191			me.name, source_p->name);
192			return;
193			}
194
195			if (IsExemptKline(target_p))
196			{
197	michael	2810	sendto_one(source_p, ":%s NOTICE %s :%s is E-lined",
198			me.name, source_p->name, target_p->name);
199	michael	1058	return;
200			}
201
202	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
203			target_p->localClient->ip.ss_len, hostip,
204			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
205	michael	1058	dlhost = hostip;
206			t = parse_netmask(dlhost, NULL, &bits);
207			assert(t == HM_IPV4 \|\| t == HM_IPV6);
208			}
209
210			if (bits < 8)
211			{
212			sendto_one(source_p,
213			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
214			me.name, source_p->name);
215			return;
216			}
217
218			#ifdef IPV6
219			if (t == HM_IPV6)
220	michael	1644	aftype = AF_INET6;
221	michael	1058	else
222			#endif
223	michael	1644	aftype = AF_INET;
224	michael	1058
225			parse_netmask(dlhost, &daddr, NULL);
226
227	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
228	michael	1058	{
229	michael	1632	creason = conf->reason ? conf->reason : def_reason;
230	michael	2810
231	michael	1632	if (IsConfExemptKline(conf))
232	michael	2810	sendto_one(source_p, ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
233			me.name, source_p->name, dlhost, conf->host, creason);
234	michael	1058	else
235	michael	2810	sendto_one(source_p, ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
236			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	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
294			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
295	michael	1301	source_p->username, source_p->host,
296			SHARED_DLINE))
297			{
298			if (!IsClient(source_p))
299			return;
300			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
301			{
302	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
303	michael	1301	return;
304
305			if (!MyConnect(target_p))
306			{
307			sendto_one(source_p,
308			":%s NOTICE %s :Can't DLINE nick on another server",
309			me.name, source_p->name);
310			return;
311			}
312
313			if (IsExemptKline(target_p))
314			{
315			sendto_one(source_p,
316			":%s NOTICE %s :%s is E-lined", me.name,
317			source_p->name, target_p->name);
318			return;
319			}
320
321			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
322			target_p->localClient->ip.ss_len, hostip,
323			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
324			dlhost = hostip;
325			t = parse_netmask(dlhost, NULL, &bits);
326			assert(t == HM_IPV4 \|\| t == HM_IPV6);
327			}
328
329			if (bits < 8)
330			{
331			sendto_one(source_p,
332			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
333			me.name, source_p->name);
334			return;
335			}
336
337			#ifdef IPV6
338			if (t == HM_IPV6)
339	michael	1644	aftype= AF_INET6;
340	michael	1301	else
341			#endif
342	michael	1644	aftype = AF_INET;
343	michael	1301
344			parse_netmask(dlhost, &daddr, NULL);
345
346	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
347	michael	1301	{
348	michael	1632	creason = conf->reason ? conf->reason : def_reason;
349			if (IsConfExemptKline(conf))
350	michael	1301	sendto_one(source_p,
351			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
352	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
353	michael	1301	else
354			sendto_one(source_p,
355			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
356	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
357	michael	1301	return;
358			}
359
360			cur_time = CurrentTime;
361			current_date = smalldate(cur_time);
362
363			if (!valid_comment(source_p, reason, 1))
364			return;
365
366	michael	1632	conf = conf_make(CONF_DLINE);
367	michael	1646	conf->host = xstrdup(dlhost);
368	michael	1301
369			if (tkline_time != 0)
370			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
371			(int)(tkline_time/60), reason, current_date);
372			else
373			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
374
375	michael	1646	conf->reason = xstrdup(buffer);
376	michael	1632	apply_dline(source_p, conf, tkline_time);
377	michael	1301	rehashed_klines = 1;
378			}
379			}
380
381	michael	1058	/*
382			** m_undline
383			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
384			** based totally on m_unkline
385			** added to hybrid-7 7/11/2000 --is
386			**
387			** parv[0] = sender nick
388			** parv[1] = dline to remove
389			*/
390			static void
391			mo_undline(struct Client client_p, struct Client source_p,
392			int parc, char *parv[])
393			{
394	michael	1301	char addr = NULL, user = NULL;
395			char *target_server = NULL;
396	michael	1058
397	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
398	michael	1058	{
399	michael	2810	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
400			source_p->name, "undline");
401	michael	1058	return;
402			}
403
404	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
405			{
406	michael	1834	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
407	michael	1301	me.name, source_p->name, "UNDLINE");
408			return;
409			}
410	michael	1058
411	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
412			&addr, NULL, &target_server, NULL) < 0)
413			return;
414
415			if (target_server != NULL)
416			{
417			sendto_match_servs(source_p, target_server, CAP_UNDLN,
418			"UNDLINE %s %s", target_server, addr);
419
420			/* Allow ON to apply local unkline as well if it matches */
421	michael	1652	if (match(target_server, me.name))
422	michael	1301	return;
423			}
424			else
425			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
426			"%s", addr);
427
428	michael	1622	if (remove_dline_match(addr))
429	michael	1058	{
430	michael	2810	sendto_one(source_p, ":%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	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
458			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
459			source_p->username, source_p->host,
460			SHARED_UNDLINE))
461	michael	1301	{
462	michael	1622	if (remove_dline_match(addr))
463	michael	1301	{
464	michael	2810	sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed",
465	michael	1301	me.name, source_p->name, addr);
466	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
467	michael	1622	"%s has removed the D-Line for: [%s]",
468	michael	1301	get_oper_name(source_p), addr);
469	michael	2340	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
470	michael	1301	get_oper_name(source_p), addr);
471			}
472			else
473			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
474			me.name, source_p->name, addr);
475			}
476			}
477
478			static void
479			ms_undline(struct Client client_p, struct Client source_p,
480			int parc, char *parv[])
481			{
482			if (parc != 3 \|\| EmptyString(parv[2]))
483			return;
484
485			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
486	michael	1761	"UNDLINE %s %s",
487	michael	1301	parv[1], parv[2]);
488
489			me_undline(client_p, source_p, parc, parv);
490			}
491
492	michael	2810	static struct Message dline_msgtab =
493			{
494	michael	1230	"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
495	michael	2810	{ m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
496	michael	1230	};
497
498	michael	2810	static struct Message undline_msgtab =
499			{
500	michael	1230	"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
501	michael	2810	{ m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
502	michael	1230	};
503
504			static void
505			module_init(void)
506			{
507			mod_add_cmd(&dline_msgtab);
508			mod_add_cmd(&undline_msgtab);
509	michael	1301	add_capability("DLN", CAP_DLN, 1);
510			add_capability("UNDLN", CAP_UNDLN, 1);
511	michael	1230	}
512
513			static void
514			module_exit(void)
515			{
516			mod_del_cmd(&dline_msgtab);
517			mod_del_cmd(&undline_msgtab);
518	michael	1301	delete_capability("UNDLN");
519			delete_capability("DLN");
520	michael	1230	}
521
522	michael	2810	struct module module_entry =
523			{
524	michael	1230	.node = { NULL, NULL, NULL },
525			.name = NULL,
526			.version = "$Revision$",
527			.handle = NULL,
528			.modinit = module_init,
529			.modexit = module_exit,
530			.flags = 0
531			};