trunk/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 "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),
               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),
               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, 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 *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_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)) == NULL)
      return 0;

    if (!MyConnect(target_p))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :Can't DLINE nick on another server",
                 me.name, source_p->name);
      return 0;
    }

    if (IsExemptKline(target_p))
    {
      sendto_one(source_p, ":%s NOTICE %s :%s is E-lined",
                 me.name, source_p->name, 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(source_p,
               ":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
               me.name, source_p->name);
    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(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 0;
  }

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  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 *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 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)) == NULL)
        return 0;

      if (!MyConnect(target_p))
      {
        sendto_one(source_p,
                   ":%s NOTICE %s :Can't DLINE nick on another server",
                   me.name, source_p->name);
        return 0;
      }

      if (IsExemptKline(target_p))
      {
        sendto_one(source_p,
                   ":%s NOTICE %s :%s is E-lined", me.name,
                   source_p->name, 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(source_p,
                 ":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
                 me.name, source_p->name);
      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(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 0;
    }

    cur_time = CurrentTime;
    current_date = smalldate(cur_time);

    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] = sender nick
**      parv[1] = dline to remove
*/
static int
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_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(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);
  return 0;
}

static int
ms_undline(struct Client *client_p, 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(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);
  }

  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:	3109
Committed:	Thu Mar 6 19:25:12 2014 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	14633 byte(s)
Log Message:	- Applied Adam's sendto_one_numeric() changes
#	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 "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	michael	2888	MyConnect(source_p) ? me.name : ID_or_name(&me, source_p),
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	michael	2888	MyConnect(source_p) ? me.name : ID_or_name(&me, source_p),
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	2997	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, 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	michael	2820	static int
140	michael	1058	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	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
160	michael	2820	return 0;
161	michael	1058	}
162
163			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
164	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
165	michael	2820	return 0;
166	michael	1058
167	michael	1301	if (target_server != NULL)
168			{
169	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
170			target_server, (unsigned long)tkline_time,
171			dlhost, reason);
172	michael	1301
173			/* Allow ON to apply local kline as well if it matches */
174	michael	1652	if (match(target_server, me.name))
175	michael	2820	return 0;
176	michael	1301	}
177			else
178			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
179			"%d %s :%s", tkline_time, dlhost, reason);
180
181	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
182			{
183	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
184	michael	2820	return 0;
185	michael	1058
186			if (!MyConnect(target_p))
187			{
188			sendto_one(source_p,
189			":%s NOTICE %s :Can't DLINE nick on another server",
190			me.name, source_p->name);
191	michael	2820	return 0;
192	michael	1058	}
193
194			if (IsExemptKline(target_p))
195			{
196	michael	2810	sendto_one(source_p, ":%s NOTICE %s :%s is E-lined",
197			me.name, source_p->name, target_p->name);
198	michael	2820	return 0;
199	michael	1058	}
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	michael	2820	return 0;
215	michael	1058	}
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	michael	2810
230	michael	1632	if (IsConfExemptKline(conf))
231	michael	2810	sendto_one(source_p, ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
232			me.name, source_p->name, dlhost, conf->host, creason);
233	michael	1058	else
234	michael	2810	sendto_one(source_p, ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
235			me.name, source_p->name, dlhost, conf->host, creason);
236	michael	2820	return 0;
237	michael	1058	}
238
239			cur_time = CurrentTime;
240			current_date = smalldate(cur_time);
241
242	michael	1243	if (!valid_comment(source_p, reason, 1))
243	michael	2820	return 0;
244	michael	1058
245	michael	1632	conf = conf_make(CONF_DLINE);
246	michael	1646	conf->host = xstrdup(dlhost);
247	michael	1058
248			if (tkline_time != 0)
249	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
250			(int)(tkline_time/60), reason, current_date);
251	michael	1058	else
252	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
253	michael	1058
254	michael	1646	conf->reason = xstrdup(buffer);
255	michael	1632	apply_dline(source_p, conf, tkline_time);
256	michael	1058	rehashed_klines = 1;
257	michael	2820	return 0;
258	michael	1058	}
259
260	michael	2820	static int
261	michael	1301	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	michael	2820	return 0;
279	michael	1301
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	2820	return 0;
288	michael	1301
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	michael	2820	return 0;
300
301	michael	1301	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
302			{
303	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
304	michael	2820	return 0;
305	michael	1301
306			if (!MyConnect(target_p))
307			{
308			sendto_one(source_p,
309			":%s NOTICE %s :Can't DLINE nick on another server",
310			me.name, source_p->name);
311	michael	2820	return 0;
312	michael	1301	}
313
314			if (IsExemptKline(target_p))
315			{
316			sendto_one(source_p,
317			":%s NOTICE %s :%s is E-lined", me.name,
318			source_p->name, target_p->name);
319	michael	2820	return 0;
320	michael	1301	}
321
322			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
323			target_p->localClient->ip.ss_len, hostip,
324			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
325			dlhost = hostip;
326			t = parse_netmask(dlhost, NULL, &bits);
327			assert(t == HM_IPV4 \|\| t == HM_IPV6);
328			}
329
330			if (bits < 8)
331			{
332			sendto_one(source_p,
333			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
334			me.name, source_p->name);
335	michael	2820	return 0;
336	michael	1301	}
337
338			#ifdef IPV6
339			if (t == HM_IPV6)
340	michael	1644	aftype= AF_INET6;
341	michael	1301	else
342			#endif
343	michael	1644	aftype = AF_INET;
344	michael	1301
345			parse_netmask(dlhost, &daddr, NULL);
346
347	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
348	michael	1301	{
349	michael	1632	creason = conf->reason ? conf->reason : def_reason;
350			if (IsConfExemptKline(conf))
351	michael	1301	sendto_one(source_p,
352			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
353	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
354	michael	1301	else
355			sendto_one(source_p,
356			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
357	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
358	michael	2820	return 0;
359	michael	1301	}
360
361			cur_time = CurrentTime;
362			current_date = smalldate(cur_time);
363
364			if (!valid_comment(source_p, reason, 1))
365	michael	2820	return 0;
366	michael	1301
367	michael	1632	conf = conf_make(CONF_DLINE);
368	michael	1646	conf->host = xstrdup(dlhost);
369	michael	1301
370			if (tkline_time != 0)
371			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
372			(int)(tkline_time/60), reason, current_date);
373			else
374			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
375
376	michael	1646	conf->reason = xstrdup(buffer);
377	michael	1632	apply_dline(source_p, conf, tkline_time);
378	michael	1301	rehashed_klines = 1;
379			}
380	michael	2820
381			return 0;
382	michael	1301	}
383
384	michael	1058	/*
385			** m_undline
386			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
387			** based totally on m_unkline
388			** added to hybrid-7 7/11/2000 --is
389			**
390			** parv[0] = sender nick
391			** parv[1] = dline to remove
392			*/
393	michael	2820	static int
394	michael	1058	mo_undline(struct Client client_p, struct Client source_p,
395			int parc, char *parv[])
396			{
397	michael	1301	char addr = NULL, user = NULL;
398			char *target_server = NULL;
399	michael	1058
400	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
401	michael	1058	{
402	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline");
403	michael	2820	return 0;
404	michael	1058	}
405
406	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
407			{
408	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE");
409	michael	2820	return 0;
410	michael	1301	}
411	michael	1058
412	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
413			&addr, NULL, &target_server, NULL) < 0)
414	michael	2820	return 0;
415	michael	1301
416			if (target_server != NULL)
417			{
418			sendto_match_servs(source_p, target_server, CAP_UNDLN,
419			"UNDLINE %s %s", target_server, addr);
420
421			/* Allow ON to apply local unkline as well if it matches */
422	michael	1652	if (match(target_server, me.name))
423	michael	2820	return 0;
424	michael	1301	}
425			else
426			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
427			"%s", addr);
428
429	michael	1622	if (remove_dline_match(addr))
430	michael	1058	{
431	michael	2810	sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed",
432	michael	1301	me.name, source_p->name, addr);
433	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
434	michael	1622	"%s has removed the D-Line for: [%s]",
435	michael	1298	get_oper_name(source_p), addr);
436	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
437	michael	1298	get_oper_name(source_p), addr);
438	michael	1058	}
439			else
440			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
441	michael	1298	me.name, source_p->name, addr);
442	michael	2820	return 0;
443	michael	1058	}
444	michael	1230
445	michael	2820	static int
446	michael	2857	ms_undline(struct Client client_p, struct Client source_p,
447	michael	1301	int parc, char *parv[])
448			{
449	michael	2857	const char *addr = parv[1];
450	michael	1301
451			if (parc != 3 \|\| EmptyString(parv[2]))
452	michael	2820	return 0;
453	michael	1301
454	michael	2857	sendto_match_servs(source_p, parv[1], CAP_UNDLN,
455			"UNDLINE %s %s",
456			parv[1], parv[2]);
457	michael	1301
458	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
459	michael	2820	return 0;
460	michael	1301
461	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
462			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
463			source_p->username, source_p->host,
464			SHARED_UNDLINE))
465	michael	1301	{
466	michael	1622	if (remove_dline_match(addr))
467	michael	1301	{
468	michael	2810	sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed",
469	michael	1301	me.name, source_p->name, addr);
470	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
471	michael	1622	"%s has removed the D-Line for: [%s]",
472	michael	1301	get_oper_name(source_p), addr);
473	michael	2340	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
474	michael	1301	get_oper_name(source_p), addr);
475			}
476			else
477			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
478			me.name, source_p->name, addr);
479			}
480	michael	2820
481			return 0;
482	michael	1301	}
483
484	michael	2810	static struct Message dline_msgtab =
485			{
486	michael	1230	"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
487	michael	2810	{ m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
488	michael	1230	};
489
490	michael	2810	static struct Message undline_msgtab =
491			{
492	michael	1230	"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
493	michael	2810	{ m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
494	michael	1230	};
495
496			static void
497			module_init(void)
498			{
499			mod_add_cmd(&dline_msgtab);
500			mod_add_cmd(&undline_msgtab);
501	michael	1301	add_capability("DLN", CAP_DLN, 1);
502			add_capability("UNDLN", CAP_UNDLN, 1);
503	michael	1230	}
504
505			static void
506			module_exit(void)
507			{
508			mod_del_cmd(&dline_msgtab);
509			mod_del_cmd(&undline_msgtab);
510	michael	1301	delete_capability("UNDLN");
511			delete_capability("DLN");
512	michael	1230	}
513
514	michael	2810	struct module module_entry =
515			{
516	michael	1230	.node = { NULL, NULL, NULL },
517			.name = NULL,
518			.version = "$Revision$",
519			.handle = NULL,
520			.modinit = module_init,
521			.modexit = module_exit,
522			.flags = 0
523			};