8.2.x/modules/m_dline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_dline.c: Bans a user.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "client.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "conf.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"


/* apply_tdline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
apply_dline(struct Client *source_p, struct AccessItem *aconf,
            time_t tkline_time)
{
  if (tkline_time)
  {
    aconf->hold = CurrentTime + tkline_time;
    SetConfTemporary(aconf);
    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,
                         aconf->host, aconf->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, aconf->host);
    ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
         get_oper_name(source_p), tkline_time/60, aconf->host, aconf->reason);
  }
  else
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added D-Line for [%s] [%s]",
                         get_oper_name(source_p), aconf->host, aconf->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, aconf->host);
    ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
         get_oper_name(source_p), aconf->host, aconf->reason);

  }

  aconf->setat = CurrentTime;
  add_conf_by_address(CONF_DLINE, aconf);
  save_dline_database();
  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 AccessItem *aconf;
  int t;

  if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      t = AF_INET6;
    else
#endif
      t = AF_INET;
    piphost = &iphost;
  }
  else
  {
    t = 0;
    piphost = NULL;
  }

  if ((aconf = find_conf_by_address(host, piphost, CONF_DLINE, t, NULL, NULL, 0)))
  {
    if (!IsConfMain(aconf))
    {
      delete_one_address_conf(host, aconf);
      save_dline_database();
      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[] = "<No reason specified>";
  char *dlhost = NULL, *reason = NULL;
  char *target_server = NULL;
  const char *creason;
  const struct Client *target_p = NULL;
  struct irc_ssaddr daddr;
  struct ConfItem *conf=NULL;
  struct AccessItem *aconf=NULL;
  time_t tkline_time=0;
  int bits, t;
  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)
  {
    if (HasID(source_p))
    {
      sendto_server(NULL, CAP_DLN|CAP_TS6, NOCAPS,
                    ":%s DLINE %s %lu %s :%s",
                    source_p->id, target_server, (unsigned long)tkline_time,
                    dlhost, reason);
      sendto_server(NULL, CAP_DLN, CAP_TS6,
                    ":%s DLINE %s %lu %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    dlhost, reason);
    }
    else
      sendto_server(NULL, CAP_DLN, NOCAPS,
                    ":%s DLINE %s %lu %s :%s",
                    source_p->name, 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(client_p, 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)
    t = AF_INET6;
  else
#endif
    t = AF_INET;

  parse_netmask(dlhost, &daddr, NULL);

  if ((aconf = find_dline_conf(&daddr, t)) != NULL)
  {
    creason = aconf->reason ? aconf->reason : def_reason;
    if (IsConfExemptKline(aconf))
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, aconf->host, creason);
    else
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, aconf->host, creason);
    return;
  }

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

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

  conf = make_conf_item(DLINE_TYPE);
  aconf = map_to_conf(conf);
  DupString(aconf->host, dlhost);

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

  rehashed_klines = 1;
}

static void
ms_dline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char def_reason[] = "<No reason specified>";
  char *dlhost, *reason;
  const char *creason;
  const struct Client *target_p = NULL;
  struct irc_ssaddr daddr;
  struct ConfItem *conf=NULL;
  struct AccessItem *aconf=NULL;
  time_t tkline_time=0;
  int bits, t;
  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(ULINE_TYPE, 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(client_p, 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)
      t = AF_INET6;
    else
#endif
      t = AF_INET;

    parse_netmask(dlhost, &daddr, NULL);

    if ((aconf = find_dline_conf(&daddr, t)) != NULL)
    {
      creason = aconf->reason ? aconf->reason : def_reason;
      if (IsConfExemptKline(aconf))
        sendto_one(source_p,
                   ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, aconf->host, creason);
      else
        sendto_one(source_p,
                   ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, aconf->host, creason);
      return;
    }

    cur_time = CurrentTime;
    current_date = smalldate(cur_time);

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

    conf = make_conf_item(DLINE_TYPE);
    aconf = map_to_conf(conf);
    DupString(aconf->host, dlhost);

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

    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(ULINE_TYPE,
                                   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 temporary 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 %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:	1622
Committed:	Thu Nov 1 13:16:37 2012 UTC (13 years, 8 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/trunk/modules/m_dline.c*
File size:	15763 byte(s)
Log Message:	- klines, dlines, xlines, glines and resv now make use of the new database; also, temporary *lines are now stored, so they're not lost after restarting the ircd. This also applies to G-lines.
#	User	Rev	Content
1	michael	1058	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_dline.c: Bans a user.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22			* $Id$
23			*/
24
25			#include "stdinc.h"
26			#include "list.h"
27			#include "channel.h"
28			#include "client.h"
29			#include "irc_string.h"
30			#include "sprintf_irc.h"
31			#include "ircd.h"
32			#include "hostmask.h"
33			#include "numeric.h"
34			#include "fdlist.h"
35			#include "s_bsd.h"
36	michael	1309	#include "conf.h"
37			#include "log.h"
38	michael	1058	#include "s_misc.h"
39			#include "send.h"
40			#include "hash.h"
41			#include "s_serv.h"
42			#include "parse.h"
43			#include "modules.h"
44	michael	1622	#include "conf_db.h"
45	michael	1058
46
47			/* apply_tdline()
48			*
49			* inputs -
50			* output - NONE
51			* side effects - tkline as given is placed
52			*/
53			static void
54	michael	1622	apply_dline(struct Client source_p, struct AccessItem aconf,
55			time_t tkline_time)
56	michael	1058	{
57	michael	1622	if (tkline_time)
58			{
59			aconf->hold = CurrentTime + tkline_time;
60			SetConfTemporary(aconf);
61			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
62			"%s added temporary %d min. D-Line for [%s] [%s]",
63			get_oper_name(source_p), tkline_time/60,
64			aconf->host, aconf->reason);
65			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
66			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
67			source_p->name, tkline_time/60, aconf->host);
68			ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
69			get_oper_name(source_p), tkline_time/60, aconf->host, aconf->reason);
70			}
71			else
72			{
73			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
74			"%s added D-Line for [%s] [%s]",
75			get_oper_name(source_p), aconf->host, aconf->reason);
76			sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]",
77			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
78			source_p->name, aconf->host);
79			ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
80			get_oper_name(source_p), aconf->host, aconf->reason);
81	michael	1058
82	michael	1622	}
83
84			aconf->setat = CurrentTime;
85	michael	1369	add_conf_by_address(CONF_DLINE, aconf);
86	michael	1622	save_dline_database();
87	michael	1058	rehashed_klines = 1;
88			}
89
90	michael	1298	/* static int remove_tdline_match(const char host, const char user)
91			* Input: An ip to undline.
92			* Output: returns YES on success, NO if no tdline removed.
93			* Side effects: Any matching tdlines are removed.
94			*/
95			static int
96	michael	1622	remove_dline_match(const char *host)
97	michael	1298	{
98	michael	1369	struct irc_ssaddr iphost, *piphost;
99			struct AccessItem *aconf;
100			int t;
101	michael	1298
102	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
103	michael	1298	{
104			#ifdef IPV6
105	michael	1369	if (t == HM_IPV6)
106			t = AF_INET6;
107			else
108	michael	1298	#endif
109	michael	1369	t = AF_INET;
110			piphost = &iphost;
111			}
112			else
113			{
114			t = 0;
115			piphost = NULL;
116			}
117
118	michael	1371	if ((aconf = find_conf_by_address(host, piphost, CONF_DLINE, t, NULL, NULL, 0)))
119	michael	1369	{
120	michael	1622	if (!IsConfMain(aconf))
121	michael	1298	{
122	michael	1369	delete_one_address_conf(host, aconf);
123	michael	1622	save_dline_database();
124	michael	1298	return 1;
125			}
126			}
127
128			return 0;
129			}
130
131	michael	1058	/* mo_dline()
132			*
133			* inputs - pointer to server
134			* - pointer to client
135			* - parameter count
136			* - parameter list
137			* output -
138			* side effects - D line is added
139			*
140			*/
141			static void
142			mo_dline(struct Client client_p, struct Client source_p,
143			int parc, char *parv[])
144			{
145	michael	1301	char def_reason[] = "<No reason specified>";
146	michael	1622	char dlhost = NULL, reason = NULL;
147	michael	1301	char *target_server = NULL;
148	michael	1058	const char *creason;
149			const struct Client *target_p = NULL;
150			struct irc_ssaddr daddr;
151			struct ConfItem *conf=NULL;
152			struct AccessItem *aconf=NULL;
153			time_t tkline_time=0;
154			int bits, t;
155			const char *current_date = NULL;
156			time_t cur_time;
157	michael	1398	char hostip[HOSTIPLEN + 1];
158	michael	1230	char buffer[IRCD_BUFSIZE];
159	michael	1058
160	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
161	michael	1058	{
162			sendto_one(source_p, form_str(ERR_NOPRIVS),
163	michael	1515	me.name, source_p->name, "dline");
164	michael	1058	return;
165			}
166
167			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
168	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
169	michael	1058	return;
170
171	michael	1301	if (target_server != NULL)
172			{
173			if (HasID(source_p))
174			{
175	michael	1474	sendto_server(NULL, CAP_DLN\|CAP_TS6, NOCAPS,
176	michael	1301	":%s DLINE %s %lu %s :%s",
177			source_p->id, target_server, (unsigned long)tkline_time,
178			dlhost, reason);
179	michael	1474	sendto_server(NULL, CAP_DLN, CAP_TS6,
180	michael	1301	":%s DLINE %s %lu %s :%s",
181			source_p->name, target_server, (unsigned long)tkline_time,
182			dlhost, reason);
183			}
184			else
185	michael	1474	sendto_server(NULL, CAP_DLN, NOCAPS,
186	michael	1301	":%s DLINE %s %lu %s :%s",
187			source_p->name, target_server, (unsigned long)tkline_time,
188			dlhost, reason);
189
190			/* Allow ON to apply local kline as well if it matches */
191			if (!match(target_server, me.name))
192			return;
193			}
194			else
195			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
196			"%d %s :%s", tkline_time, dlhost, reason);
197
198	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
199			{
200			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
201			return;
202
203			if (!MyConnect(target_p))
204			{
205			sendto_one(source_p,
206			":%s NOTICE %s :Can't DLINE nick on another server",
207			me.name, source_p->name);
208			return;
209			}
210
211			if (IsExemptKline(target_p))
212			{
213			sendto_one(source_p,
214			":%s NOTICE %s :%s is E-lined", me.name,
215			source_p->name, target_p->name);
216			return;
217			}
218
219	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
220			target_p->localClient->ip.ss_len, hostip,
221			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
222	michael	1058	dlhost = hostip;
223			t = parse_netmask(dlhost, NULL, &bits);
224			assert(t == HM_IPV4 \|\| t == HM_IPV6);
225			}
226
227			if (bits < 8)
228			{
229			sendto_one(source_p,
230			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
231			me.name, source_p->name);
232			return;
233			}
234
235			#ifdef IPV6
236			if (t == HM_IPV6)
237			t = AF_INET6;
238			else
239			#endif
240			t = AF_INET;
241
242			parse_netmask(dlhost, &daddr, NULL);
243
244			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
245			{
246			creason = aconf->reason ? aconf->reason : def_reason;
247			if (IsConfExemptKline(aconf))
248			sendto_one(source_p,
249			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
250			me.name, source_p->name, dlhost, aconf->host, creason);
251			else
252			sendto_one(source_p,
253			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
254			me.name, source_p->name, dlhost, aconf->host, creason);
255			return;
256			}
257
258			cur_time = CurrentTime;
259			current_date = smalldate(cur_time);
260
261	michael	1243	if (!valid_comment(source_p, reason, 1))
262	michael	1058	return;
263
264			conf = make_conf_item(DLINE_TYPE);
265			aconf = map_to_conf(conf);
266			DupString(aconf->host, dlhost);
267
268			if (tkline_time != 0)
269			{
270	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
271			(int)(tkline_time/60), reason, current_date);
272	michael	1058	DupString(aconf->reason, buffer);
273	michael	1622	apply_dline(source_p, aconf, tkline_time);
274	michael	1058	}
275			else
276			{
277	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
278	michael	1058	DupString(aconf->reason, buffer);
279	michael	1622	apply_dline(source_p, aconf, 0);
280	michael	1058	}
281
282			rehashed_klines = 1;
283			}
284
285	michael	1301	static void
286			ms_dline(struct Client client_p, struct Client source_p,
287			int parc, char *parv[])
288			{
289			char def_reason[] = "<No reason specified>";
290	michael	1622	char dlhost, reason;
291	michael	1301	const char *creason;
292			const struct Client *target_p = NULL;
293			struct irc_ssaddr daddr;
294			struct ConfItem *conf=NULL;
295			struct AccessItem *aconf=NULL;
296			time_t tkline_time=0;
297			int bits, t;
298			const char *current_date = NULL;
299			time_t cur_time;
300	michael	1398	char hostip[HOSTIPLEN + 1];
301	michael	1301	char buffer[IRCD_BUFSIZE];
302
303			if (parc != 5 \|\| EmptyString(parv[4]))
304			return;
305
306			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
307			/* oper target_server tkline_time host reason */
308			sendto_match_servs(source_p, parv[1], CAP_DLN,
309			"DLINE %s %s %s :%s",
310			parv[1], parv[2], parv[3], parv[4]);
311
312			if (!match(parv[1], me.name))
313			return;
314
315			tkline_time = valid_tkline(parv[2], TK_SECONDS);
316			dlhost = parv[3];
317			reason = parv[4];
318
319			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
320			source_p->username, source_p->host,
321			SHARED_DLINE))
322			{
323			if (!IsClient(source_p))
324			return;
325			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
326			{
327			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
328			return;
329
330			if (!MyConnect(target_p))
331			{
332			sendto_one(source_p,
333			":%s NOTICE %s :Can't DLINE nick on another server",
334			me.name, source_p->name);
335			return;
336			}
337
338			if (IsExemptKline(target_p))
339			{
340			sendto_one(source_p,
341			":%s NOTICE %s :%s is E-lined", me.name,
342			source_p->name, target_p->name);
343			return;
344			}
345
346			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
347			target_p->localClient->ip.ss_len, hostip,
348			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
349			dlhost = hostip;
350			t = parse_netmask(dlhost, NULL, &bits);
351			assert(t == HM_IPV4 \|\| t == HM_IPV6);
352			}
353
354			if (bits < 8)
355			{
356			sendto_one(source_p,
357			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
358			me.name, source_p->name);
359			return;
360			}
361
362			#ifdef IPV6
363			if (t == HM_IPV6)
364			t = AF_INET6;
365			else
366			#endif
367			t = AF_INET;
368
369			parse_netmask(dlhost, &daddr, NULL);
370
371			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
372			{
373			creason = aconf->reason ? aconf->reason : def_reason;
374			if (IsConfExemptKline(aconf))
375			sendto_one(source_p,
376			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
377			me.name, source_p->name, dlhost, aconf->host, creason);
378			else
379			sendto_one(source_p,
380			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
381			me.name, source_p->name, dlhost, aconf->host, creason);
382			return;
383			}
384
385			cur_time = CurrentTime;
386			current_date = smalldate(cur_time);
387
388			if (!valid_comment(source_p, reason, 1))
389			return;
390
391			conf = make_conf_item(DLINE_TYPE);
392			aconf = map_to_conf(conf);
393			DupString(aconf->host, dlhost);
394
395			if (tkline_time != 0)
396			{
397			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
398			(int)(tkline_time/60), reason, current_date);
399			DupString(aconf->reason, buffer);
400	michael	1622	apply_dline(source_p, aconf, tkline_time);
401	michael	1301	}
402			else
403			{
404			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
405			DupString(aconf->reason, buffer);
406	michael	1622	apply_dline(source_p, aconf, 0);
407	michael	1301	}
408
409			rehashed_klines = 1;
410			}
411			}
412
413	michael	1058	/*
414			** m_undline
415			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
416			** based totally on m_unkline
417			** added to hybrid-7 7/11/2000 --is
418			**
419			** parv[0] = sender nick
420			** parv[1] = dline to remove
421			*/
422			static void
423			mo_undline(struct Client client_p, struct Client source_p,
424			int parc, char *parv[])
425			{
426	michael	1301	char addr = NULL, user = NULL;
427			char *target_server = NULL;
428	michael	1058
429	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
430	michael	1058	{
431			sendto_one(source_p, form_str(ERR_NOPRIVS),
432			me.name, source_p->name, "undline");
433			return;
434			}
435
436	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
437			{
438			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
439			me.name, source_p->name, "UNDLINE");
440			return;
441			}
442	michael	1058
443	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
444			&addr, NULL, &target_server, NULL) < 0)
445			return;
446
447			if (target_server != NULL)
448			{
449			sendto_match_servs(source_p, target_server, CAP_UNDLN,
450			"UNDLINE %s %s", target_server, addr);
451
452			/* Allow ON to apply local unkline as well if it matches */
453			if (!match(target_server, me.name))
454			return;
455			}
456			else
457			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
458			"%s", addr);
459
460	michael	1622	if (remove_dline_match(addr))
461	michael	1058	{
462			sendto_one(source_p,
463	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
464	michael	1301	me.name, source_p->name, addr);
465	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
466	michael	1622	"%s has removed the D-Line for: [%s]",
467	michael	1298	get_oper_name(source_p), addr);
468	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
469	michael	1298	get_oper_name(source_p), addr);
470	michael	1058	}
471			else
472			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
473	michael	1298	me.name, source_p->name, addr);
474	michael	1058	}
475	michael	1230
476	michael	1301	static void
477			me_undline(struct Client client_p, struct Client source_p,
478			int parc, char *parv[])
479			{
480			const char *addr = NULL;
481
482			if (parc != 3 \|\| EmptyString(parv[2]))
483			return;
484
485			addr = parv[2];
486
487			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
488			return;
489
490			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE,
491			source_p->servptr->name,
492			source_p->username, source_p->host,
493			SHARED_UNDLINE))
494			{
495	michael	1622	if (remove_dline_match(addr))
496	michael	1301	{
497			sendto_one(source_p,
498	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
499	michael	1301	me.name, source_p->name, addr);
500	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
501	michael	1622	"%s has removed the D-Line for: [%s]",
502	michael	1301	get_oper_name(source_p), addr);
503			ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
504			get_oper_name(source_p), addr);
505			}
506			else
507			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
508			me.name, source_p->name, addr);
509			}
510			}
511
512			static void
513			ms_undline(struct Client client_p, struct Client source_p,
514			int parc, char *parv[])
515			{
516			if (parc != 3 \|\| EmptyString(parv[2]))
517			return;
518
519			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
520			"UNDLINE %s %s %s",
521			parv[1], parv[2]);
522
523			me_undline(client_p, source_p, parc, parv);
524			}
525
526	michael	1230	static struct Message dline_msgtab = {
527			"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
528	michael	1301	{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore}
529	michael	1230	};
530
531			static struct Message undline_msgtab = {
532			"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
533	michael	1301	{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore}
534	michael	1230	};
535
536			static void
537			module_init(void)
538			{
539			mod_add_cmd(&dline_msgtab);
540			mod_add_cmd(&undline_msgtab);
541	michael	1301	add_capability("DLN", CAP_DLN, 1);
542			add_capability("UNDLN", CAP_UNDLN, 1);
543	michael	1230	}
544
545			static void
546			module_exit(void)
547			{
548			mod_del_cmd(&dline_msgtab);
549			mod_del_cmd(&undline_msgtab);
550	michael	1301	delete_capability("UNDLN");
551			delete_capability("DLN");
552	michael	1230	}
553
554			struct module module_entry = {
555			.node = { NULL, NULL, NULL },
556			.name = NULL,
557			.version = "$Revision$",
558			.handle = NULL,
559			.modinit = module_init,
560			.modexit = module_exit,
561			.flags = 0
562			};