trunk/modules/m_dline.c

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

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "client.h"
#include "irc_string.h"
#include "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);
  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);
      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:	1625
Committed:	Thu Nov 1 13:49:25 2012 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	15709 byte(s)
Log Message:	- dbs are now periodically flushed on disc every 5 minutes
#	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	1058	rehashed_klines = 1;
87			}
88
89	michael	1298	/* static int remove_tdline_match(const char host, const char user)
90			* Input: An ip to undline.
91			* Output: returns YES on success, NO if no tdline removed.
92			* Side effects: Any matching tdlines are removed.
93			*/
94			static int
95	michael	1622	remove_dline_match(const char *host)
96	michael	1298	{
97	michael	1369	struct irc_ssaddr iphost, *piphost;
98			struct AccessItem *aconf;
99			int t;
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			t = AF_INET6;
106			else
107	michael	1298	#endif
108	michael	1369	t = AF_INET;
109			piphost = &iphost;
110			}
111			else
112			{
113			t = 0;
114			piphost = NULL;
115			}
116
117	michael	1371	if ((aconf = find_conf_by_address(host, piphost, CONF_DLINE, t, NULL, NULL, 0)))
118	michael	1369	{
119	michael	1622	if (!IsConfMain(aconf))
120	michael	1298	{
121	michael	1369	delete_one_address_conf(host, aconf);
122	michael	1298	return 1;
123			}
124			}
125
126			return 0;
127			}
128
129	michael	1058	/* mo_dline()
130			*
131			* inputs - pointer to server
132			* - pointer to client
133			* - parameter count
134			* - parameter list
135			* output -
136			* side effects - D line is added
137			*
138			*/
139			static void
140			mo_dline(struct Client client_p, struct Client source_p,
141			int parc, char *parv[])
142			{
143	michael	1301	char def_reason[] = "<No reason specified>";
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			struct ConfItem *conf=NULL;
150			struct AccessItem *aconf=NULL;
151			time_t tkline_time=0;
152			int bits, t;
153			const char *current_date = NULL;
154			time_t cur_time;
155	michael	1398	char hostip[HOSTIPLEN + 1];
156	michael	1230	char buffer[IRCD_BUFSIZE];
157	michael	1058
158	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
159	michael	1058	{
160			sendto_one(source_p, form_str(ERR_NOPRIVS),
161	michael	1515	me.name, source_p->name, "dline");
162	michael	1058	return;
163			}
164
165			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
166	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
167	michael	1058	return;
168
169	michael	1301	if (target_server != NULL)
170			{
171			if (HasID(source_p))
172			{
173	michael	1474	sendto_server(NULL, CAP_DLN\|CAP_TS6, NOCAPS,
174	michael	1301	":%s DLINE %s %lu %s :%s",
175			source_p->id, target_server, (unsigned long)tkline_time,
176			dlhost, reason);
177	michael	1474	sendto_server(NULL, CAP_DLN, CAP_TS6,
178	michael	1301	":%s DLINE %s %lu %s :%s",
179			source_p->name, target_server, (unsigned long)tkline_time,
180			dlhost, reason);
181			}
182			else
183	michael	1474	sendto_server(NULL, CAP_DLN, NOCAPS,
184	michael	1301	":%s DLINE %s %lu %s :%s",
185			source_p->name, target_server, (unsigned long)tkline_time,
186			dlhost, reason);
187
188			/* Allow ON to apply local kline as well if it matches */
189			if (!match(target_server, me.name))
190			return;
191			}
192			else
193			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
194			"%d %s :%s", tkline_time, dlhost, reason);
195
196	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
197			{
198			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
199			return;
200
201			if (!MyConnect(target_p))
202			{
203			sendto_one(source_p,
204			":%s NOTICE %s :Can't DLINE nick on another server",
205			me.name, source_p->name);
206			return;
207			}
208
209			if (IsExemptKline(target_p))
210			{
211			sendto_one(source_p,
212			":%s NOTICE %s :%s is E-lined", me.name,
213			source_p->name, target_p->name);
214			return;
215			}
216
217	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
218			target_p->localClient->ip.ss_len, hostip,
219			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
220	michael	1058	dlhost = hostip;
221			t = parse_netmask(dlhost, NULL, &bits);
222			assert(t == HM_IPV4 \|\| t == HM_IPV6);
223			}
224
225			if (bits < 8)
226			{
227			sendto_one(source_p,
228			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
229			me.name, source_p->name);
230			return;
231			}
232
233			#ifdef IPV6
234			if (t == HM_IPV6)
235			t = AF_INET6;
236			else
237			#endif
238			t = AF_INET;
239
240			parse_netmask(dlhost, &daddr, NULL);
241
242			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
243			{
244			creason = aconf->reason ? aconf->reason : def_reason;
245			if (IsConfExemptKline(aconf))
246			sendto_one(source_p,
247			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
248			me.name, source_p->name, dlhost, aconf->host, creason);
249			else
250			sendto_one(source_p,
251			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
252			me.name, source_p->name, dlhost, aconf->host, creason);
253			return;
254			}
255
256			cur_time = CurrentTime;
257			current_date = smalldate(cur_time);
258
259	michael	1243	if (!valid_comment(source_p, reason, 1))
260	michael	1058	return;
261
262			conf = make_conf_item(DLINE_TYPE);
263			aconf = map_to_conf(conf);
264			DupString(aconf->host, dlhost);
265
266			if (tkline_time != 0)
267			{
268	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
269			(int)(tkline_time/60), reason, current_date);
270	michael	1058	DupString(aconf->reason, buffer);
271	michael	1622	apply_dline(source_p, aconf, tkline_time);
272	michael	1058	}
273			else
274			{
275	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
276	michael	1058	DupString(aconf->reason, buffer);
277	michael	1622	apply_dline(source_p, aconf, 0);
278	michael	1058	}
279
280			rehashed_klines = 1;
281			}
282
283	michael	1301	static void
284			ms_dline(struct Client client_p, struct Client source_p,
285			int parc, char *parv[])
286			{
287			char def_reason[] = "<No reason specified>";
288	michael	1622	char dlhost, reason;
289	michael	1301	const char *creason;
290			const struct Client *target_p = NULL;
291			struct irc_ssaddr daddr;
292			struct ConfItem *conf=NULL;
293			struct AccessItem *aconf=NULL;
294			time_t tkline_time=0;
295			int bits, t;
296			const char *current_date = NULL;
297			time_t cur_time;
298	michael	1398	char hostip[HOSTIPLEN + 1];
299	michael	1301	char buffer[IRCD_BUFSIZE];
300
301			if (parc != 5 \|\| EmptyString(parv[4]))
302			return;
303
304			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
305			/* oper target_server tkline_time host reason */
306			sendto_match_servs(source_p, parv[1], CAP_DLN,
307			"DLINE %s %s %s :%s",
308			parv[1], parv[2], parv[3], parv[4]);
309
310			if (!match(parv[1], me.name))
311			return;
312
313			tkline_time = valid_tkline(parv[2], TK_SECONDS);
314			dlhost = parv[3];
315			reason = parv[4];
316
317			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
318			source_p->username, source_p->host,
319			SHARED_DLINE))
320			{
321			if (!IsClient(source_p))
322			return;
323			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
324			{
325			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
326			return;
327
328			if (!MyConnect(target_p))
329			{
330			sendto_one(source_p,
331			":%s NOTICE %s :Can't DLINE nick on another server",
332			me.name, source_p->name);
333			return;
334			}
335
336			if (IsExemptKline(target_p))
337			{
338			sendto_one(source_p,
339			":%s NOTICE %s :%s is E-lined", me.name,
340			source_p->name, target_p->name);
341			return;
342			}
343
344			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
345			target_p->localClient->ip.ss_len, hostip,
346			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
347			dlhost = hostip;
348			t = parse_netmask(dlhost, NULL, &bits);
349			assert(t == HM_IPV4 \|\| t == HM_IPV6);
350			}
351
352			if (bits < 8)
353			{
354			sendto_one(source_p,
355			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
356			me.name, source_p->name);
357			return;
358			}
359
360			#ifdef IPV6
361			if (t == HM_IPV6)
362			t = AF_INET6;
363			else
364			#endif
365			t = AF_INET;
366
367			parse_netmask(dlhost, &daddr, NULL);
368
369			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
370			{
371			creason = aconf->reason ? aconf->reason : def_reason;
372			if (IsConfExemptKline(aconf))
373			sendto_one(source_p,
374			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
375			me.name, source_p->name, dlhost, aconf->host, creason);
376			else
377			sendto_one(source_p,
378			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
379			me.name, source_p->name, dlhost, aconf->host, creason);
380			return;
381			}
382
383			cur_time = CurrentTime;
384			current_date = smalldate(cur_time);
385
386			if (!valid_comment(source_p, reason, 1))
387			return;
388
389			conf = make_conf_item(DLINE_TYPE);
390			aconf = map_to_conf(conf);
391			DupString(aconf->host, dlhost);
392
393			if (tkline_time != 0)
394			{
395			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
396			(int)(tkline_time/60), reason, current_date);
397			DupString(aconf->reason, buffer);
398	michael	1622	apply_dline(source_p, aconf, tkline_time);
399	michael	1301	}
400			else
401			{
402			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
403			DupString(aconf->reason, buffer);
404	michael	1622	apply_dline(source_p, aconf, 0);
405	michael	1301	}
406
407			rehashed_klines = 1;
408			}
409			}
410
411	michael	1058	/*
412			** m_undline
413			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
414			** based totally on m_unkline
415			** added to hybrid-7 7/11/2000 --is
416			**
417			** parv[0] = sender nick
418			** parv[1] = dline to remove
419			*/
420			static void
421			mo_undline(struct Client client_p, struct Client source_p,
422			int parc, char *parv[])
423			{
424	michael	1301	char addr = NULL, user = NULL;
425			char *target_server = NULL;
426	michael	1058
427	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
428	michael	1058	{
429			sendto_one(source_p, form_str(ERR_NOPRIVS),
430			me.name, source_p->name, "undline");
431			return;
432			}
433
434	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
435			{
436			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
437			me.name, source_p->name, "UNDLINE");
438			return;
439			}
440	michael	1058
441	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
442			&addr, NULL, &target_server, NULL) < 0)
443			return;
444
445			if (target_server != NULL)
446			{
447			sendto_match_servs(source_p, target_server, CAP_UNDLN,
448			"UNDLINE %s %s", target_server, addr);
449
450			/* Allow ON to apply local unkline as well if it matches */
451			if (!match(target_server, me.name))
452			return;
453			}
454			else
455			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
456			"%s", addr);
457
458	michael	1622	if (remove_dline_match(addr))
459	michael	1058	{
460			sendto_one(source_p,
461	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
462	michael	1301	me.name, source_p->name, addr);
463	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
464	michael	1622	"%s has removed the D-Line for: [%s]",
465	michael	1298	get_oper_name(source_p), addr);
466	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
467	michael	1298	get_oper_name(source_p), addr);
468	michael	1058	}
469			else
470			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
471	michael	1298	me.name, source_p->name, addr);
472	michael	1058	}
473	michael	1230
474	michael	1301	static void
475			me_undline(struct Client client_p, struct Client source_p,
476			int parc, char *parv[])
477			{
478			const char *addr = NULL;
479
480			if (parc != 3 \|\| EmptyString(parv[2]))
481			return;
482
483			addr = parv[2];
484
485			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
486			return;
487
488			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE,
489			source_p->servptr->name,
490			source_p->username, source_p->host,
491			SHARED_UNDLINE))
492			{
493	michael	1622	if (remove_dline_match(addr))
494	michael	1301	{
495			sendto_one(source_p,
496	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
497	michael	1301	me.name, source_p->name, addr);
498	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
499	michael	1622	"%s has removed the D-Line for: [%s]",
500	michael	1301	get_oper_name(source_p), addr);
501			ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
502			get_oper_name(source_p), addr);
503			}
504			else
505			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
506			me.name, source_p->name, addr);
507			}
508			}
509
510			static void
511			ms_undline(struct Client client_p, struct Client source_p,
512			int parc, char *parv[])
513			{
514			if (parc != 3 \|\| EmptyString(parv[2]))
515			return;
516
517			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
518			"UNDLINE %s %s %s",
519			parv[1], parv[2]);
520
521			me_undline(client_p, source_p, parc, parv);
522			}
523
524	michael	1230	static struct Message dline_msgtab = {
525			"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
526	michael	1301	{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore}
527	michael	1230	};
528
529			static struct Message undline_msgtab = {
530			"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
531	michael	1301	{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore}
532	michael	1230	};
533
534			static void
535			module_init(void)
536			{
537			mod_add_cmd(&dline_msgtab);
538			mod_add_cmd(&undline_msgtab);
539	michael	1301	add_capability("DLN", CAP_DLN, 1);
540			add_capability("UNDLN", CAP_UNDLN, 1);
541	michael	1230	}
542
543			static void
544			module_exit(void)
545			{
546			mod_del_cmd(&dline_msgtab);
547			mod_del_cmd(&undline_msgtab);
548	michael	1301	delete_capability("UNDLN");
549			delete_capability("DLN");
550	michael	1230	}
551
552			struct module module_entry = {
553			.node = { NULL, NULL, NULL },
554			.name = NULL,
555			.version = "$Revision$",
556			.handle = NULL,
557			.modinit = module_init,
558			.modexit = module_exit,
559			.flags = 0
560			};