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 "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"


/* 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->hold = CurrentTime + tkline_time;
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added temporary %d min. D-Line for [%s] [%s]",
                         get_oper_name(source_p), tkline_time/60,
                         conf->host, conf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, tkline_time/60, conf->host);
    ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
         get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
  }
  else
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added D-Line for [%s] [%s]",
                         get_oper_name(source_p), conf->host, conf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, conf->host);
    ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
         get_oper_name(source_p), conf->host, conf->reason);

  }

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

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

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

  return 0;
}

/* mo_dline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - D line is added
 *
 */
static void
mo_dline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char def_reason[] = "<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 MaskItem *conf=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 ((conf = find_dline_conf(&daddr, t)) != NULL)
  {
    creason = conf->reason ? conf->reason : def_reason;
    if (IsConfExemptKline(conf))
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, conf->host, creason);
    else
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                 me.name, source_p->name, dlhost, conf->host, creason);
    return;
  }

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

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

  conf = conf_make(CONF_DLINE);
  DupString(conf->host, 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);

  DupString(conf->reason, buffer);
  apply_dline(source_p, conf, tkline_time);
  rehashed_klines = 1;
}

static void
ms_dline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char def_reason[] = "<No reason specified>";
  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, 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(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_DLINE))
  {
    if (!IsClient(source_p))
      return;
    if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
    {
      if ((target_p = find_chasing(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 ((conf = find_dline_conf(&daddr, t)) != NULL)
    {
      creason = conf->reason ? conf->reason : def_reason;
      if (IsConfExemptKline(conf))
        sendto_one(source_p,
                   ":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, conf->host, creason);
      else
        sendto_one(source_p,
                   ":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
                   me.name, source_p->name, dlhost, conf->host, creason);
      return;
    }

    cur_time = CurrentTime;
    current_date = smalldate(cur_time);

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

    conf = conf_make(CONF_DLINE);
    DupString(conf->host, 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);

    DupString(conf->reason, buffer);
    apply_dline(source_p, conf, tkline_time);
    rehashed_klines = 1;
  }
}

/*
** m_undline
** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
** based totally on m_unkline
** added to hybrid-7 7/11/2000 --is
**
**      parv[0] = sender nick
**      parv[1] = dline to remove
*/
static void
mo_undline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  char *addr = NULL, *user = NULL;
  char *target_server = NULL;

  if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "undline");
    return;
  }

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "UNDLINE");
    return;
  }

  if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
                  &addr, NULL, &target_server, NULL) < 0)
    return;

  if (target_server != NULL)
  {
    sendto_match_servs(source_p, target_server, CAP_UNDLN,
                       "UNDLINE %s %s", target_server, addr);

    /* Allow ON to apply local unkline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
  else
    cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
                   "%s", addr);

  if (remove_dline_match(addr))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :D-Line for [%s] is removed",
               me.name, source_p->name, addr);
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the D-Line for: [%s]",
                         get_oper_name(source_p), addr);
    ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
         get_oper_name(source_p), addr);
  }
  else
    sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
               me.name, source_p->name, addr);
}

static void
me_undline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  const char *addr = NULL;

  if (parc != 3 || EmptyString(parv[2]))
    return;

  addr = parv[2];

  if (!IsClient(source_p) || !match(parv[1], me.name))
    return;

  if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(CONF_ULINE,
                                   source_p->servptr->name,
                                   source_p->username, source_p->host,
                                   SHARED_UNDLINE))
  {
    if (remove_dline_match(addr))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :D-Line for [%s] is removed",
                 me.name, source_p->name, addr);
      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                           "%s has removed the D-Line for: [%s]",
                           get_oper_name(source_p), addr);
      ilog(LOG_TYPE_DLINE, "%s removed 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:	1632
Committed:	Sun Nov 4 15:37:10 2012 UTC (12 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	15330 byte(s)
Log Message:	- Initial rewrite of the configuration subsystem
#	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	michael	1632	#include "conf.h"
32	michael	1058	#include "ircd.h"
33			#include "hostmask.h"
34			#include "numeric.h"
35			#include "fdlist.h"
36			#include "s_bsd.h"
37	michael	1309	#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	1632	apply_dline(struct Client source_p, struct MaskItem conf,
55	michael	1622	time_t tkline_time)
56	michael	1058	{
57	michael	1622	if (tkline_time)
58			{
59	michael	1632	conf->hold = CurrentTime + tkline_time;
60	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
61			"%s added temporary %d min. D-Line for [%s] [%s]",
62			get_oper_name(source_p), tkline_time/60,
63	michael	1632	conf->host, conf->reason);
64	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
65			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
66	michael	1632	source_p->name, tkline_time/60, conf->host);
67	michael	1622	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
68	michael	1632	get_oper_name(source_p), tkline_time/60, conf->host, conf->reason);
69	michael	1622	}
70			else
71			{
72			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
73			"%s added D-Line for [%s] [%s]",
74	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
75	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]",
76			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
77	michael	1632	source_p->name, conf->host);
78	michael	1622	ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]",
79	michael	1632	get_oper_name(source_p), conf->host, conf->reason);
80	michael	1058
81	michael	1622	}
82
83	michael	1632	SetConfDatabase(conf);
84			conf->setat = CurrentTime;
85			add_conf_by_address(CONF_DLINE, conf);
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	michael	1632	struct MaskItem *conf;
99	michael	1369	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	1632	if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, t, NULL, NULL, 0)))
118	michael	1369	{
119	michael	1632	if (IsConfDatabase(conf))
120	michael	1298	{
121	michael	1632	delete_one_address_conf(host, conf);
122	michael	1298	return 1;
123			}
124			}
125
126			return 0;
127			}
128
129	michael	1058	/* mo_dline()
130			*
131			* inputs - pointer to server
132			* - pointer to client
133			* - parameter count
134			* - parameter list
135			* output -
136			* side effects - D line is added
137			*
138			*/
139			static void
140			mo_dline(struct Client client_p, struct Client source_p,
141			int parc, char *parv[])
142			{
143	michael	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	michael	1632	struct MaskItem *conf=NULL;
150	michael	1058	time_t tkline_time=0;
151			int bits, t;
152			const char *current_date = NULL;
153			time_t cur_time;
154	michael	1398	char hostip[HOSTIPLEN + 1];
155	michael	1230	char buffer[IRCD_BUFSIZE];
156	michael	1058
157	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
158	michael	1058	{
159			sendto_one(source_p, form_str(ERR_NOPRIVS),
160	michael	1515	me.name, source_p->name, "dline");
161	michael	1058	return;
162			}
163
164			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
165	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
166	michael	1058	return;
167
168	michael	1301	if (target_server != NULL)
169			{
170			if (HasID(source_p))
171			{
172	michael	1474	sendto_server(NULL, CAP_DLN\|CAP_TS6, NOCAPS,
173	michael	1301	":%s DLINE %s %lu %s :%s",
174			source_p->id, target_server, (unsigned long)tkline_time,
175			dlhost, reason);
176	michael	1474	sendto_server(NULL, CAP_DLN, CAP_TS6,
177	michael	1301	":%s DLINE %s %lu %s :%s",
178			source_p->name, target_server, (unsigned long)tkline_time,
179			dlhost, reason);
180			}
181			else
182	michael	1474	sendto_server(NULL, CAP_DLN, NOCAPS,
183	michael	1301	":%s DLINE %s %lu %s :%s",
184			source_p->name, target_server, (unsigned long)tkline_time,
185			dlhost, reason);
186
187			/* Allow ON to apply local kline as well if it matches */
188			if (!match(target_server, me.name))
189			return;
190			}
191			else
192			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
193			"%d %s :%s", tkline_time, dlhost, reason);
194
195	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
196			{
197			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
198			return;
199
200			if (!MyConnect(target_p))
201			{
202			sendto_one(source_p,
203			":%s NOTICE %s :Can't DLINE nick on another server",
204			me.name, source_p->name);
205			return;
206			}
207
208			if (IsExemptKline(target_p))
209			{
210			sendto_one(source_p,
211			":%s NOTICE %s :%s is E-lined", me.name,
212			source_p->name, target_p->name);
213			return;
214			}
215
216	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
217			target_p->localClient->ip.ss_len, hostip,
218			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
219	michael	1058	dlhost = hostip;
220			t = parse_netmask(dlhost, NULL, &bits);
221			assert(t == HM_IPV4 \|\| t == HM_IPV6);
222			}
223
224			if (bits < 8)
225			{
226			sendto_one(source_p,
227			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
228			me.name, source_p->name);
229			return;
230			}
231
232			#ifdef IPV6
233			if (t == HM_IPV6)
234			t = AF_INET6;
235			else
236			#endif
237			t = AF_INET;
238
239			parse_netmask(dlhost, &daddr, NULL);
240
241	michael	1632	if ((conf = find_dline_conf(&daddr, t)) != NULL)
242	michael	1058	{
243	michael	1632	creason = conf->reason ? conf->reason : def_reason;
244			if (IsConfExemptKline(conf))
245	michael	1058	sendto_one(source_p,
246			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
247	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
248	michael	1058	else
249			sendto_one(source_p,
250			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
251	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
252	michael	1058	return;
253			}
254
255			cur_time = CurrentTime;
256			current_date = smalldate(cur_time);
257
258	michael	1243	if (!valid_comment(source_p, reason, 1))
259	michael	1058	return;
260
261	michael	1632	conf = conf_make(CONF_DLINE);
262			DupString(conf->host, dlhost);
263	michael	1058
264			if (tkline_time != 0)
265	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
266			(int)(tkline_time/60), reason, current_date);
267	michael	1058	else
268	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
269	michael	1058
270	michael	1632	DupString(conf->reason, buffer);
271			apply_dline(source_p, conf, tkline_time);
272	michael	1058	rehashed_klines = 1;
273			}
274
275	michael	1301	static void
276			ms_dline(struct Client client_p, struct Client source_p,
277			int parc, char *parv[])
278			{
279			char def_reason[] = "<No reason specified>";
280	michael	1622	char dlhost, reason;
281	michael	1301	const char *creason;
282			const struct Client *target_p = NULL;
283			struct irc_ssaddr daddr;
284	michael	1632	struct MaskItem *conf=NULL;
285	michael	1301	time_t tkline_time=0;
286			int bits, t;
287			const char *current_date = NULL;
288			time_t cur_time;
289	michael	1398	char hostip[HOSTIPLEN + 1];
290	michael	1301	char buffer[IRCD_BUFSIZE];
291
292			if (parc != 5 \|\| EmptyString(parv[4]))
293			return;
294
295			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
296			/* oper target_server tkline_time host reason */
297			sendto_match_servs(source_p, parv[1], CAP_DLN,
298			"DLINE %s %s %s :%s",
299			parv[1], parv[2], parv[3], parv[4]);
300
301			if (!match(parv[1], me.name))
302			return;
303
304			tkline_time = valid_tkline(parv[2], TK_SECONDS);
305			dlhost = parv[3];
306			reason = parv[4];
307
308	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
309	michael	1301	source_p->username, source_p->host,
310			SHARED_DLINE))
311			{
312			if (!IsClient(source_p))
313			return;
314			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
315			{
316			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
317			return;
318
319			if (!MyConnect(target_p))
320			{
321			sendto_one(source_p,
322			":%s NOTICE %s :Can't DLINE nick on another server",
323			me.name, source_p->name);
324			return;
325			}
326
327			if (IsExemptKline(target_p))
328			{
329			sendto_one(source_p,
330			":%s NOTICE %s :%s is E-lined", me.name,
331			source_p->name, target_p->name);
332			return;
333			}
334
335			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
336			target_p->localClient->ip.ss_len, hostip,
337			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
338			dlhost = hostip;
339			t = parse_netmask(dlhost, NULL, &bits);
340			assert(t == HM_IPV4 \|\| t == HM_IPV6);
341			}
342
343			if (bits < 8)
344			{
345			sendto_one(source_p,
346			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
347			me.name, source_p->name);
348			return;
349			}
350
351			#ifdef IPV6
352			if (t == HM_IPV6)
353			t = AF_INET6;
354			else
355			#endif
356			t = AF_INET;
357
358			parse_netmask(dlhost, &daddr, NULL);
359
360	michael	1632	if ((conf = find_dline_conf(&daddr, t)) != NULL)
361	michael	1301	{
362	michael	1632	creason = conf->reason ? conf->reason : def_reason;
363			if (IsConfExemptKline(conf))
364	michael	1301	sendto_one(source_p,
365			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
366	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
367	michael	1301	else
368			sendto_one(source_p,
369			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
370	michael	1632	me.name, source_p->name, dlhost, conf->host, creason);
371	michael	1301	return;
372			}
373
374			cur_time = CurrentTime;
375			current_date = smalldate(cur_time);
376
377			if (!valid_comment(source_p, reason, 1))
378			return;
379
380	michael	1632	conf = conf_make(CONF_DLINE);
381			DupString(conf->host, dlhost);
382	michael	1301
383			if (tkline_time != 0)
384			snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
385			(int)(tkline_time/60), reason, current_date);
386			else
387			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
388
389	michael	1632	DupString(conf->reason, buffer);
390			apply_dline(source_p, conf, tkline_time);
391	michael	1301	rehashed_klines = 1;
392			}
393			}
394
395	michael	1058	/*
396			** m_undline
397			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
398			** based totally on m_unkline
399			** added to hybrid-7 7/11/2000 --is
400			**
401			** parv[0] = sender nick
402			** parv[1] = dline to remove
403			*/
404			static void
405			mo_undline(struct Client client_p, struct Client source_p,
406			int parc, char *parv[])
407			{
408	michael	1301	char addr = NULL, user = NULL;
409			char *target_server = NULL;
410	michael	1058
411	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
412	michael	1058	{
413			sendto_one(source_p, form_str(ERR_NOPRIVS),
414			me.name, source_p->name, "undline");
415			return;
416			}
417
418	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
419			{
420			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
421			me.name, source_p->name, "UNDLINE");
422			return;
423			}
424	michael	1058
425	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
426			&addr, NULL, &target_server, NULL) < 0)
427			return;
428
429			if (target_server != NULL)
430			{
431			sendto_match_servs(source_p, target_server, CAP_UNDLN,
432			"UNDLINE %s %s", target_server, addr);
433
434			/* Allow ON to apply local unkline as well if it matches */
435			if (!match(target_server, me.name))
436			return;
437			}
438			else
439			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
440			"%s", addr);
441
442	michael	1622	if (remove_dline_match(addr))
443	michael	1058	{
444			sendto_one(source_p,
445	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
446	michael	1301	me.name, source_p->name, addr);
447	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
448	michael	1622	"%s has removed the D-Line for: [%s]",
449	michael	1298	get_oper_name(source_p), addr);
450	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
451	michael	1298	get_oper_name(source_p), addr);
452	michael	1058	}
453			else
454			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
455	michael	1298	me.name, source_p->name, addr);
456	michael	1058	}
457	michael	1230
458	michael	1301	static void
459			me_undline(struct Client client_p, struct Client source_p,
460			int parc, char *parv[])
461			{
462			const char *addr = NULL;
463
464			if (parc != 3 \|\| EmptyString(parv[2]))
465			return;
466
467			addr = parv[2];
468
469			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
470			return;
471
472	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE,
473	michael	1301	source_p->servptr->name,
474			source_p->username, source_p->host,
475			SHARED_UNDLINE))
476			{
477	michael	1622	if (remove_dline_match(addr))
478	michael	1301	{
479			sendto_one(source_p,
480	michael	1622	":%s NOTICE %s :D-Line for [%s] is removed",
481	michael	1301	me.name, source_p->name, addr);
482	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
483	michael	1622	"%s has removed the D-Line for: [%s]",
484	michael	1301	get_oper_name(source_p), addr);
485			ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
486			get_oper_name(source_p), addr);
487			}
488			else
489			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
490			me.name, source_p->name, addr);
491			}
492			}
493
494			static void
495			ms_undline(struct Client client_p, struct Client source_p,
496			int parc, char *parv[])
497			{
498			if (parc != 3 \|\| EmptyString(parv[2]))
499			return;
500
501			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
502			"UNDLINE %s %s %s",
503			parv[1], parv[2]);
504
505			me_undline(client_p, source_p, parc, parv);
506			}
507
508	michael	1230	static struct Message dline_msgtab = {
509			"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
510	michael	1301	{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore}
511	michael	1230	};
512
513			static struct Message undline_msgtab = {
514			"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
515	michael	1301	{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore}
516	michael	1230	};
517
518			static void
519			module_init(void)
520			{
521			mod_add_cmd(&dline_msgtab);
522			mod_add_cmd(&undline_msgtab);
523	michael	1301	add_capability("DLN", CAP_DLN, 1);
524			add_capability("UNDLN", CAP_UNDLN, 1);
525	michael	1230	}
526
527			static void
528			module_exit(void)
529			{
530			mod_del_cmd(&dline_msgtab);
531			mod_del_cmd(&undline_msgtab);
532	michael	1301	delete_capability("UNDLN");
533			delete_capability("DLN");
534	michael	1230	}
535
536			struct module module_entry = {
537			.node = { NULL, NULL, NULL },
538			.name = NULL,
539			.version = "$Revision$",
540			.handle = NULL,
541			.modinit = module_init,
542			.modexit = module_exit,
543			.flags = 0
544			};