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_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
                      tkline_time/60, conf->host);
    ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
         get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
  }
  else
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added D-Line for [%s] [%s]",
                         get_oper_name(source_p), conf->host, conf->reason);
    sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
    ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
         get_oper_name(source_p), conf->host, conf->reason);

  }

  SetConfDatabase(conf);
  conf->setat = CurrentTime;
  add_conf_by_address(CONF_DLINE, conf);
  rehashed_klines = 1;
}

/* static int remove_tdline_match(const char *host, const char *user)
 * Input: An ip to undline.
 * Output: returns YES on success, NO if no tdline removed.
 * Side effects: Any matching tdlines are removed.
 */
static int
remove_dline_match(const char *host)
{
  struct irc_ssaddr iphost, *piphost;
  struct MaskItem *conf;
  int t = 0;
  int aftype = 0;

  if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      aftype = AF_INET6;
    else
#endif
      aftype = AF_INET;
    piphost = &iphost;
  }
  else
    piphost = NULL;

  if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0)))
  {
    if (IsConfDatabase(conf))
    {
      delete_one_address_conf(host, conf);
      return 1;
    }
  }

  return 0;
}

/* mo_dline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - D line is added
 *
 */
static int
mo_dline(struct Client *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_notice(source_p, &me, ":Can't DLINE nick on another server");
      return 0;
    }

    if (IsExemptKline(target_p))
    {
      sendto_one_notice(source_p, &me, ":%s is E-lined",
                        target_p->name);
      return 0;
    }

    getnameinfo((struct sockaddr *)&target_p->localClient->ip,
                target_p->localClient->ip.ss_len, hostip,
                sizeof(hostip), NULL, 0, NI_NUMERICHOST);
    dlhost = hostip;
    t = parse_netmask(dlhost, NULL, &bits);
    assert(t == HM_IPV4 || t == HM_IPV6);
  }

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

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

  parse_netmask(dlhost, &daddr, NULL);

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

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

  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_notice(source_p, &me, ":Can't DLINE nick on another server");
        return 0;
      }

      if (IsExemptKline(target_p))
      {
        sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
        return 0;
      }

      getnameinfo((struct sockaddr *)&target_p->localClient->ip,
                  target_p->localClient->ip.ss_len, hostip,
                  sizeof(hostip), NULL, 0, NI_NUMERICHOST);
      dlhost = hostip;
      t = parse_netmask(dlhost, NULL, &bits);
      assert(t == HM_IPV4 || t == HM_IPV6);
    }

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

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

    parse_netmask(dlhost, &daddr, NULL);

    if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
    {
      creason = conf->reason ? conf->reason : def_reason;
      if (IsConfExemptKline(conf))
        sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
                          dlhost, conf->host, creason);
      else
        sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
                          dlhost, conf->host, creason);
      return 0;
    }

    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_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the D-Line for: [%s]",
                         get_oper_name(source_p), addr);
    ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
         get_oper_name(source_p), addr);
  }
  else
    sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
  return 0;
}

static int
ms_undline(struct Client *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_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                           "%s has removed the D-Line for: [%s]",
                           get_oper_name(source_p), addr);
      ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
           get_oper_name(source_p), addr);
    }
    else
      sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
  }

  return 0;
}

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

static struct Message undline_msgtab =
{
  "UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
};

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

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

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	3110
Committed:	Thu Mar 6 20:33:17 2014 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	13822 byte(s)
Log Message:	- Added sendto_one_notice()
#	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	3110	sendto_one_notice(source_p, &me, ":Added temporary %d min. D-Line [%s]",
67			tkline_time/60, conf->host);
68	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
69	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
70	michael	1622	}
71			else
72			{
73			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
74			"%s added D-Line for [%s] [%s]",
75	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
76	michael	3110	sendto_one_notice(source_p, &me, ":Added D-Line [%s]", conf->host);
77	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
78	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
79	michael	1058
80	michael	1622	}
81
82	michael	1632	SetConfDatabase(conf);
83			conf->setat = CurrentTime;
84			add_conf_by_address(CONF_DLINE, conf);
85	michael	1058	rehashed_klines = 1;
86			}
87
88	michael	1298	/* static int remove_tdline_match(const char host, const char user)
89			* Input: An ip to undline.
90			* Output: returns YES on success, NO if no tdline removed.
91			* Side effects: Any matching tdlines are removed.
92			*/
93			static int
94	michael	1622	remove_dline_match(const char *host)
95	michael	1298	{
96	michael	1369	struct irc_ssaddr iphost, *piphost;
97	michael	1632	struct MaskItem *conf;
98	michael	1644	int t = 0;
99			int aftype = 0;
100	michael	1298
101	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
102	michael	1298	{
103			#ifdef IPV6
104	michael	1369	if (t == HM_IPV6)
105	michael	1644	aftype = AF_INET6;
106	michael	1369	else
107	michael	1298	#endif
108	michael	1644	aftype = AF_INET;
109	michael	1369	piphost = &iphost;
110			}
111			else
112			piphost = NULL;
113
114	michael	2997	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, aftype, NULL, NULL, 0)))
115	michael	1369	{
116	michael	1632	if (IsConfDatabase(conf))
117	michael	1298	{
118	michael	1632	delete_one_address_conf(host, conf);
119	michael	1298	return 1;
120			}
121			}
122
123			return 0;
124			}
125
126	michael	1058	/* mo_dline()
127			*
128			* inputs - pointer to server
129			* - pointer to client
130			* - parameter count
131			* - parameter list
132			* output -
133			* side effects - D line is added
134			*
135			*/
136	michael	2820	static int
137	michael	1058	mo_dline(struct Client client_p, struct Client source_p,
138			int parc, char *parv[])
139			{
140	michael	1794	char def_reason[] = CONF_NOREASON;
141	michael	1622	char dlhost = NULL, reason = NULL;
142	michael	1301	char *target_server = NULL;
143	michael	1058	const char *creason;
144			const struct Client *target_p = NULL;
145			struct irc_ssaddr daddr;
146	michael	1632	struct MaskItem *conf=NULL;
147	michael	1058	time_t tkline_time=0;
148	michael	1644	int bits = 0, aftype = 0, t = 0;
149	michael	1058	const char *current_date = NULL;
150			time_t cur_time;
151	michael	1398	char hostip[HOSTIPLEN + 1];
152	michael	1230	char buffer[IRCD_BUFSIZE];
153	michael	1058
154	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
155	michael	1058	{
156	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "dline");
157	michael	2820	return 0;
158	michael	1058	}
159
160			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
161	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
162	michael	2820	return 0;
163	michael	1058
164	michael	1301	if (target_server != NULL)
165			{
166	michael	2807	sendto_match_servs(source_p, target_server, CAP_DLN, "DLINE %s %lu %s :%s",
167			target_server, (unsigned long)tkline_time,
168			dlhost, reason);
169	michael	1301
170			/* Allow ON to apply local kline as well if it matches */
171	michael	1652	if (match(target_server, me.name))
172	michael	2820	return 0;
173	michael	1301	}
174			else
175			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
176			"%d %s :%s", tkline_time, dlhost, reason);
177
178	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
179			{
180	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
181	michael	2820	return 0;
182	michael	1058
183			if (!MyConnect(target_p))
184			{
185	michael	3110	sendto_one_notice(source_p, &me, ":Can't DLINE nick on another server");
186	michael	2820	return 0;
187	michael	1058	}
188
189			if (IsExemptKline(target_p))
190			{
191	michael	3110	sendto_one_notice(source_p, &me, ":%s is E-lined",
192			target_p->name);
193	michael	2820	return 0;
194	michael	1058	}
195
196	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
197			target_p->localClient->ip.ss_len, hostip,
198			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
199	michael	1058	dlhost = hostip;
200			t = parse_netmask(dlhost, NULL, &bits);
201			assert(t == HM_IPV4 \|\| t == HM_IPV6);
202			}
203
204			if (bits < 8)
205			{
206	michael	3110	sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
207	michael	2820	return 0;
208	michael	1058	}
209
210			#ifdef IPV6
211			if (t == HM_IPV6)
212	michael	1644	aftype = AF_INET6;
213	michael	1058	else
214			#endif
215	michael	1644	aftype = AF_INET;
216	michael	1058
217			parse_netmask(dlhost, &daddr, NULL);
218
219	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
220	michael	1058	{
221	michael	1632	creason = conf->reason ? conf->reason : def_reason;
222	michael	2810
223	michael	1632	if (IsConfExemptKline(conf))
224	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
225			dlhost, conf->host, creason);
226	michael	1058	else
227	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
228			dlhost, conf->host, creason);
229	michael	2820	return 0;
230	michael	1058	}
231
232			cur_time = CurrentTime;
233			current_date = smalldate(cur_time);
234
235	michael	1243	if (!valid_comment(source_p, reason, 1))
236	michael	2820	return 0;
237	michael	1058
238	michael	1632	conf = conf_make(CONF_DLINE);
239	michael	1646	conf->host = xstrdup(dlhost);
240	michael	1058
241			if (tkline_time != 0)
242	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
243			(int)(tkline_time/60), reason, current_date);
244	michael	1058	else
245	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
246	michael	1058
247	michael	1646	conf->reason = xstrdup(buffer);
248	michael	1632	apply_dline(source_p, conf, tkline_time);
249	michael	1058	rehashed_klines = 1;
250	michael	2820	return 0;
251	michael	1058	}
252
253	michael	2820	static int
254	michael	1301	ms_dline(struct Client client_p, struct Client source_p,
255			int parc, char *parv[])
256			{
257	michael	1794	char def_reason[] = CONF_NOREASON;
258	michael	1622	char dlhost, reason;
259	michael	1301	const char *creason;
260			const struct Client *target_p = NULL;
261			struct irc_ssaddr daddr;
262	michael	1632	struct MaskItem *conf=NULL;
263	michael	1301	time_t tkline_time=0;
264	michael	1644	int bits = 0, aftype = 0, t = 0;
265	michael	1301	const char *current_date = NULL;
266			time_t cur_time;
267	michael	1398	char hostip[HOSTIPLEN + 1];
268	michael	1301	char buffer[IRCD_BUFSIZE];
269
270			if (parc != 5 \|\| EmptyString(parv[4]))
271	michael	2820	return 0;
272	michael	1301
273			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
274			/* oper target_server tkline_time host reason */
275			sendto_match_servs(source_p, parv[1], CAP_DLN,
276			"DLINE %s %s %s :%s",
277			parv[1], parv[2], parv[3], parv[4]);
278
279	michael	1652	if (match(parv[1], me.name))
280	michael	2820	return 0;
281	michael	1301
282			tkline_time = valid_tkline(parv[2], TK_SECONDS);
283			dlhost = parv[3];
284			reason = parv[4];
285
286	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
287			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
288	michael	1301	source_p->username, source_p->host,
289			SHARED_DLINE))
290			{
291			if (!IsClient(source_p))
292	michael	2820	return 0;
293
294	michael	1301	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
295			{
296	michael	2475	if ((target_p = find_chasing(source_p, dlhost, NULL)) == NULL)
297	michael	2820	return 0;
298	michael	1301
299			if (!MyConnect(target_p))
300			{
301	michael	3110	sendto_one_notice(source_p, &me, ":Can't DLINE nick on another server");
302	michael	2820	return 0;
303	michael	1301	}
304
305			if (IsExemptKline(target_p))
306			{
307	michael	3110	sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
308	michael	2820	return 0;
309	michael	1301	}
310
311			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
312			target_p->localClient->ip.ss_len, hostip,
313			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
314			dlhost = hostip;
315			t = parse_netmask(dlhost, NULL, &bits);
316			assert(t == HM_IPV4 \|\| t == HM_IPV6);
317			}
318
319			if (bits < 8)
320			{
321	michael	3110	sendto_one_notice(source_p, &me, ":For safety, bitmasks less than 8 require conf access.");
322	michael	2820	return 0;
323	michael	1301	}
324
325			#ifdef IPV6
326			if (t == HM_IPV6)
327	michael	1644	aftype= AF_INET6;
328	michael	1301	else
329			#endif
330	michael	1644	aftype = AF_INET;
331	michael	1301
332			parse_netmask(dlhost, &daddr, NULL);
333
334	michael	1644	if ((conf = find_dline_conf(&daddr, aftype)) != NULL)
335	michael	1301	{
336	michael	1632	creason = conf->reason ? conf->reason : def_reason;
337			if (IsConfExemptKline(conf))
338	michael	3110	sendto_one_notice(source_p, &me, ":[%s] is (E)d-lined by [%s] - %s",
339			dlhost, conf->host, creason);
340	michael	1301	else
341	michael	3110	sendto_one_notice(source_p, &me, ":[%s] already D-lined by [%s] - %s",
342			dlhost, conf->host, creason);
343	michael	2820	return 0;
344	michael	1301	}
345
346			cur_time = CurrentTime;
347			current_date = smalldate(cur_time);
348
349			if (!valid_comment(source_p, reason, 1))
350	michael	2820	return 0;
351	michael	1301
352	michael	1632	conf = conf_make(CONF_DLINE);
353	michael	1646	conf->host = xstrdup(dlhost);
354	michael	1301
355			if (tkline_time != 0)
356			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
357			(int)(tkline_time/60), reason, current_date);
358			else
359			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
360
361	michael	1646	conf->reason = xstrdup(buffer);
362	michael	1632	apply_dline(source_p, conf, tkline_time);
363	michael	1301	rehashed_klines = 1;
364			}
365	michael	2820
366			return 0;
367	michael	1301	}
368
369	michael	1058	/*
370			** m_undline
371			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
372			** based totally on m_unkline
373			** added to hybrid-7 7/11/2000 --is
374			**
375			** parv[0] = sender nick
376			** parv[1] = dline to remove
377			*/
378	michael	2820	static int
379	michael	1058	mo_undline(struct Client client_p, struct Client source_p,
380			int parc, char *parv[])
381			{
382	michael	1301	char addr = NULL, user = NULL;
383			char *target_server = NULL;
384	michael	1058
385	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
386	michael	1058	{
387	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "undline");
388	michael	2820	return 0;
389	michael	1058	}
390
391	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
392			{
393	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNDLINE");
394	michael	2820	return 0;
395	michael	1301	}
396	michael	1058
397	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
398			&addr, NULL, &target_server, NULL) < 0)
399	michael	2820	return 0;
400	michael	1301
401			if (target_server != NULL)
402			{
403			sendto_match_servs(source_p, target_server, CAP_UNDLN,
404			"UNDLINE %s %s", target_server, addr);
405
406			/* Allow ON to apply local unkline as well if it matches */
407	michael	1652	if (match(target_server, me.name))
408	michael	2820	return 0;
409	michael	1301	}
410			else
411			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
412			"%s", addr);
413
414	michael	1622	if (remove_dline_match(addr))
415	michael	1058	{
416	michael	3110	sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
417	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
418	michael	1622	"%s has removed the D-Line for: [%s]",
419	michael	1298	get_oper_name(source_p), addr);
420	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
421	michael	1298	get_oper_name(source_p), addr);
422	michael	1058	}
423			else
424	michael	3110	sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
425	michael	2820	return 0;
426	michael	1058	}
427	michael	1230
428	michael	2820	static int
429	michael	2857	ms_undline(struct Client client_p, struct Client source_p,
430	michael	1301	int parc, char *parv[])
431			{
432	michael	2857	const char *addr = parv[1];
433	michael	1301
434			if (parc != 3 \|\| EmptyString(parv[2]))
435	michael	2820	return 0;
436	michael	1301
437	michael	2857	sendto_match_servs(source_p, parv[1], CAP_UNDLN,
438			"UNDLINE %s %s",
439			parv[1], parv[2]);
440	michael	1301
441	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
442	michael	2820	return 0;
443	michael	1301
444	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
445			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
446			source_p->username, source_p->host,
447			SHARED_UNDLINE))
448	michael	1301	{
449	michael	1622	if (remove_dline_match(addr))
450	michael	1301	{
451	michael	3110	sendto_one_notice(source_p, &me, ":D-Line for [%s] is removed", addr);
452	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
453	michael	1622	"%s has removed the D-Line for: [%s]",
454	michael	1301	get_oper_name(source_p), addr);
455	michael	2340	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
456	michael	1301	get_oper_name(source_p), addr);
457			}
458			else
459	michael	3110	sendto_one_notice(source_p, &me, ":No D-Line for [%s] found", addr);
460	michael	1301	}
461	michael	2820
462			return 0;
463	michael	1301	}
464
465	michael	2810	static struct Message dline_msgtab =
466			{
467	michael	1230	"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
468	michael	2810	{ m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore }
469	michael	1230	};
470
471	michael	2810	static struct Message undline_msgtab =
472			{
473	michael	1230	"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
474	michael	2810	{ m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore }
475	michael	1230	};
476
477			static void
478			module_init(void)
479			{
480			mod_add_cmd(&dline_msgtab);
481			mod_add_cmd(&undline_msgtab);
482	michael	1301	add_capability("DLN", CAP_DLN, 1);
483			add_capability("UNDLN", CAP_UNDLN, 1);
484	michael	1230	}
485
486			static void
487			module_exit(void)
488			{
489			mod_del_cmd(&dline_msgtab);
490			mod_del_cmd(&undline_msgtab);
491	michael	1301	delete_capability("UNDLN");
492			delete_capability("DLN");
493	michael	1230	}
494
495	michael	2810	struct module module_entry =
496			{
497	michael	1230	.node = { NULL, NULL, NULL },
498			.name = NULL,
499			.version = "$Revision$",
500			.handle = NULL,
501			.modinit = module_init,
502			.modexit = module_exit,
503			.flags = 0
504			};