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 "s_gline.h"
#include "parse.h"
#include "modules.h"


/* apply_tdline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
apply_tdline(struct Client *source_p, struct ConfItem *conf,
             const char *current_date, int tkline_time)
{
  struct AccessItem *aconf;

  aconf = map_to_conf(conf);
  aconf->hold = CurrentTime + tkline_time;

  add_temp_line(conf);
  sendto_realops_flags(UMODE_ALL, L_ALL,
                       "%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]",
       source_p->name, tkline_time/60, aconf->host, aconf->reason);

  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_tdline_match(const char *host)
{
  struct AccessItem *td_conf;
  dlink_node *td_node;
  struct irc_ssaddr addr, caddr;
  int nm_t, cnm_t, bits, cbits;

  nm_t = parse_netmask(host, &addr, &bits);

  DLINK_FOREACH(td_node, temporary_dlines.head)
  {
    td_conf = map_to_conf(td_node->data);
    cnm_t   = parse_netmask(td_conf->host, &caddr, &cbits);

    if (cnm_t != nm_t)
      continue;

    if ((nm_t == HM_HOST && !irccmp(td_conf->host, host)) ||
        (nm_t == HM_IPV4 && bits == cbits && match_ipv4(&addr, &caddr, bits))
#ifdef IPV6
     || (nm_t == HM_IPV6 && bits == cbits && match_ipv6(&addr, &caddr, bits))
#endif
      )
    {
      dlinkDelete(td_node, &temporary_dlines);
      delete_one_address_conf(td_conf->host, td_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, *oper_reason = 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];
  char buffer[IRCD_BUFSIZE];

  if (!HasOFlag(source_p, OPER_FLAG_DLINE))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "kline");
    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, 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, 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, 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);

  /* Look for an oper reason */
  if ((oper_reason = strchr(reason, '|')) != NULL)
    *oper_reason++ = '\0';

  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);
    if (oper_reason != NULL)
      DupString(aconf->oper_reason, oper_reason);
    apply_tdline(source_p, conf, current_date, tkline_time);
  }
  else
  {
    snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
    DupString(aconf->reason, buffer);
    if (oper_reason != NULL)
      DupString(aconf->oper_reason, oper_reason);
    add_conf_by_address(CONF_DLINE, aconf);
    write_conf_line(source_p, conf, current_date, cur_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, *oper_reason, *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];
  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);

    /* Look for an oper reason */
    if ((oper_reason = strchr(reason, '|')) != NULL)
      *oper_reason++ = '\0';

    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);
      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      apply_tdline(source_p, conf, current_date, tkline_time);
    }
    else
    {
      snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
      DupString(aconf->reason, buffer);
      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      add_conf_by_address(CONF_DLINE, aconf);
      write_conf_line(source_p, conf, current_date, cur_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_tdline_match(addr))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :Un-Dlined [%s] from temporary D-Lines",
               me.name, source_p->name, addr);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the temporary D-Line for: [%s]",
                         get_oper_name(source_p), addr);
    ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
         source_p->name, addr);
    return;
  }

  if (remove_conf_line(DLINE_TYPE, source_p, addr, NULL) > 0)
  {
    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,
                         "%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_tdline_match(addr))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :Un-Dlined [%s] from temporary D-Lines",
                 me.name, source_p->name, addr);
      sendto_realops_flags(UMODE_ALL, L_ALL,
                           "%s has removed the temporary D-Line for: [%s]",
                           get_oper_name(source_p), addr);
      ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
           source_p->name, addr);
      return;
    }

    if (remove_conf_line(DLINE_TYPE, source_p, addr, NULL) > 0)
    {
      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,
                           "%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
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:	1309
Committed:	Sun Mar 25 11:24:18 2012 UTC (14 years, 4 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_dline.c*
File size:	16990 byte(s)
Log Message:	- renaming files: ircd_parser.y -> conf_parser.y ircd_lexer.l -> conf_lexer.l s_conf.c -> conf.c s_conf.h -> conf.h s_log.c -> log.c s_log.h -> log.h
#	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 "s_gline.h"
43			#include "parse.h"
44			#include "modules.h"
45
46
47			/* apply_tdline()
48			*
49			* inputs -
50			* output - NONE
51			* side effects - tkline as given is placed
52			*/
53			static void
54			apply_tdline(struct Client source_p, struct ConfItem conf,
55			const char *current_date, int tkline_time)
56			{
57			struct AccessItem *aconf;
58
59			aconf = map_to_conf(conf);
60			aconf->hold = CurrentTime + tkline_time;
61
62			add_temp_line(conf);
63			sendto_realops_flags(UMODE_ALL, L_ALL,
64			"%s added temporary %d min. D-Line for [%s] [%s]",
65			get_oper_name(source_p), tkline_time/60,
66			aconf->host, aconf->reason);
67
68			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]",
69			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
70			source_p->name, tkline_time/60, aconf->host);
71	michael	1247	ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]",
72	michael	1058	source_p->name, tkline_time/60, aconf->host, aconf->reason);
73	michael	1247
74	michael	1058	rehashed_klines = 1;
75			}
76
77	michael	1298	/* static int remove_tdline_match(const char host, const char user)
78			* Input: An ip to undline.
79			* Output: returns YES on success, NO if no tdline removed.
80			* Side effects: Any matching tdlines are removed.
81			*/
82			static int
83			remove_tdline_match(const char *host)
84			{
85			struct AccessItem *td_conf;
86			dlink_node *td_node;
87			struct irc_ssaddr addr, caddr;
88			int nm_t, cnm_t, bits, cbits;
89
90			nm_t = parse_netmask(host, &addr, &bits);
91
92			DLINK_FOREACH(td_node, temporary_dlines.head)
93			{
94			td_conf = map_to_conf(td_node->data);
95			cnm_t = parse_netmask(td_conf->host, &caddr, &cbits);
96
97			if (cnm_t != nm_t)
98			continue;
99
100			if ((nm_t == HM_HOST && !irccmp(td_conf->host, host)) \|\|
101			(nm_t == HM_IPV4 && bits == cbits && match_ipv4(&addr, &caddr, bits))
102			#ifdef IPV6
103			\|\| (nm_t == HM_IPV6 && bits == cbits && match_ipv6(&addr, &caddr, bits))
104			#endif
105			)
106			{
107			dlinkDelete(td_node, &temporary_dlines);
108			delete_one_address_conf(td_conf->host, td_conf);
109			return 1;
110			}
111			}
112
113			return 0;
114			}
115
116	michael	1058	/* mo_dline()
117			*
118			* inputs - pointer to server
119			* - pointer to client
120			* - parameter count
121			* - parameter list
122			* output -
123			* side effects - D line is added
124			*
125			*/
126			static void
127			mo_dline(struct Client client_p, struct Client source_p,
128			int parc, char *parv[])
129			{
130	michael	1301	char def_reason[] = "<No reason specified>";
131			char dlhost = NULL, oper_reason = NULL, *reason = NULL;
132			char *target_server = NULL;
133	michael	1058	const char *creason;
134			const struct Client *target_p = NULL;
135			struct irc_ssaddr daddr;
136			struct ConfItem *conf=NULL;
137			struct AccessItem *aconf=NULL;
138			time_t tkline_time=0;
139			int bits, t;
140			const char *current_date = NULL;
141			time_t cur_time;
142			char hostip[HOSTIPLEN];
143	michael	1230	char buffer[IRCD_BUFSIZE];
144	michael	1058
145	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_DLINE))
146	michael	1058	{
147			sendto_one(source_p, form_str(ERR_NOPRIVS),
148			me.name, source_p->name, "kline");
149			return;
150			}
151
152			if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost,
153	michael	1301	NULL, &tkline_time, &target_server, &reason) < 0)
154	michael	1058	return;
155
156	michael	1301	if (target_server != NULL)
157			{
158			if (HasID(source_p))
159			{
160			sendto_server(NULL, NULL, CAP_DLN\|CAP_TS6, NOCAPS,
161			":%s DLINE %s %lu %s :%s",
162			source_p->id, target_server, (unsigned long)tkline_time,
163			dlhost, reason);
164			sendto_server(NULL, NULL, CAP_DLN, CAP_TS6,
165			":%s DLINE %s %lu %s :%s",
166			source_p->name, target_server, (unsigned long)tkline_time,
167			dlhost, reason);
168			}
169			else
170			sendto_server(NULL, NULL, CAP_DLN, NOCAPS,
171			":%s DLINE %s %lu %s :%s",
172			source_p->name, target_server, (unsigned long)tkline_time,
173			dlhost, reason);
174
175			/* Allow ON to apply local kline as well if it matches */
176			if (!match(target_server, me.name))
177			return;
178			}
179			else
180			cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE,
181			"%d %s :%s", tkline_time, dlhost, reason);
182
183	michael	1058	if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
184			{
185			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
186			return;
187
188			if (!MyConnect(target_p))
189			{
190			sendto_one(source_p,
191			":%s NOTICE %s :Can't DLINE nick on another server",
192			me.name, source_p->name);
193			return;
194			}
195
196			if (IsExemptKline(target_p))
197			{
198			sendto_one(source_p,
199			":%s NOTICE %s :%s is E-lined", me.name,
200			source_p->name, target_p->name);
201			return;
202			}
203
204	michael	1123	getnameinfo((struct sockaddr *)&target_p->localClient->ip,
205			target_p->localClient->ip.ss_len, hostip,
206			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
207	michael	1058	dlhost = hostip;
208			t = parse_netmask(dlhost, NULL, &bits);
209			assert(t == HM_IPV4 \|\| t == HM_IPV6);
210			}
211
212			if (bits < 8)
213			{
214			sendto_one(source_p,
215			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
216			me.name, source_p->name);
217			return;
218			}
219
220			#ifdef IPV6
221			if (t == HM_IPV6)
222			t = AF_INET6;
223			else
224			#endif
225			t = AF_INET;
226
227			parse_netmask(dlhost, &daddr, NULL);
228
229			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
230			{
231			creason = aconf->reason ? aconf->reason : def_reason;
232			if (IsConfExemptKline(aconf))
233			sendto_one(source_p,
234			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
235			me.name, source_p->name, dlhost, aconf->host, creason);
236			else
237			sendto_one(source_p,
238			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
239			me.name, source_p->name, dlhost, aconf->host, creason);
240			return;
241			}
242
243			cur_time = CurrentTime;
244			current_date = smalldate(cur_time);
245
246			/* Look for an oper reason */
247			if ((oper_reason = strchr(reason, '\|')) != NULL)
248			*oper_reason++ = '\0';
249
250	michael	1243	if (!valid_comment(source_p, reason, 1))
251	michael	1058	return;
252
253			conf = make_conf_item(DLINE_TYPE);
254			aconf = map_to_conf(conf);
255			DupString(aconf->host, dlhost);
256
257			if (tkline_time != 0)
258			{
259	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)",
260			(int)(tkline_time/60), reason, current_date);
261	michael	1058	DupString(aconf->reason, buffer);
262			if (oper_reason != NULL)
263			DupString(aconf->oper_reason, oper_reason);
264			apply_tdline(source_p, conf, current_date, tkline_time);
265			}
266			else
267			{
268	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
269	michael	1058	DupString(aconf->reason, buffer);
270			if (oper_reason != NULL)
271			DupString(aconf->oper_reason, oper_reason);
272			add_conf_by_address(CONF_DLINE, aconf);
273			write_conf_line(source_p, conf, current_date, cur_time);
274			}
275
276			rehashed_klines = 1;
277			}
278
279	michael	1301	static void
280			ms_dline(struct Client client_p, struct Client source_p,
281			int parc, char *parv[])
282			{
283			char def_reason[] = "<No reason specified>";
284			char dlhost, oper_reason, *reason;
285			const char *creason;
286			const struct Client *target_p = NULL;
287			struct irc_ssaddr daddr;
288			struct ConfItem *conf=NULL;
289			struct AccessItem *aconf=NULL;
290			time_t tkline_time=0;
291			int bits, t;
292			const char *current_date = NULL;
293			time_t cur_time;
294			char hostip[HOSTIPLEN];
295			char buffer[IRCD_BUFSIZE];
296
297			if (parc != 5 \|\| EmptyString(parv[4]))
298			return;
299
300			/* parv[0] parv[1] parv[2] parv[3] parv[4] */
301			/* oper target_server tkline_time host reason */
302			sendto_match_servs(source_p, parv[1], CAP_DLN,
303			"DLINE %s %s %s :%s",
304			parv[1], parv[2], parv[3], parv[4]);
305
306			if (!match(parv[1], me.name))
307			return;
308
309			tkline_time = valid_tkline(parv[2], TK_SECONDS);
310			dlhost = parv[3];
311			reason = parv[4];
312
313			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
314			source_p->username, source_p->host,
315			SHARED_DLINE))
316			{
317			if (!IsClient(source_p))
318			return;
319			if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST)
320			{
321			if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL)
322			return;
323
324			if (!MyConnect(target_p))
325			{
326			sendto_one(source_p,
327			":%s NOTICE %s :Can't DLINE nick on another server",
328			me.name, source_p->name);
329			return;
330			}
331
332			if (IsExemptKline(target_p))
333			{
334			sendto_one(source_p,
335			":%s NOTICE %s :%s is E-lined", me.name,
336			source_p->name, target_p->name);
337			return;
338			}
339
340			getnameinfo((struct sockaddr *)&target_p->localClient->ip,
341			target_p->localClient->ip.ss_len, hostip,
342			sizeof(hostip), NULL, 0, NI_NUMERICHOST);
343			dlhost = hostip;
344			t = parse_netmask(dlhost, NULL, &bits);
345			assert(t == HM_IPV4 \|\| t == HM_IPV6);
346			}
347
348			if (bits < 8)
349			{
350			sendto_one(source_p,
351			":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.",
352			me.name, source_p->name);
353			return;
354			}
355
356			#ifdef IPV6
357			if (t == HM_IPV6)
358			t = AF_INET6;
359			else
360			#endif
361			t = AF_INET;
362
363			parse_netmask(dlhost, &daddr, NULL);
364
365			if ((aconf = find_dline_conf(&daddr, t)) != NULL)
366			{
367			creason = aconf->reason ? aconf->reason : def_reason;
368			if (IsConfExemptKline(aconf))
369			sendto_one(source_p,
370			":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s",
371			me.name, source_p->name, dlhost, aconf->host, creason);
372			else
373			sendto_one(source_p,
374			":%s NOTICE %s :[%s] already D-lined by [%s] - %s",
375			me.name, source_p->name, dlhost, aconf->host, creason);
376			return;
377			}
378
379			cur_time = CurrentTime;
380			current_date = smalldate(cur_time);
381
382			/* Look for an oper reason */
383			if ((oper_reason = strchr(reason, '\|')) != NULL)
384			*oper_reason++ = '\0';
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			if (oper_reason != NULL)
399			DupString(aconf->oper_reason, oper_reason);
400			apply_tdline(source_p, conf, current_date, tkline_time);
401			}
402			else
403			{
404			snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
405			DupString(aconf->reason, buffer);
406			if (oper_reason != NULL)
407			DupString(aconf->oper_reason, oper_reason);
408			add_conf_by_address(CONF_DLINE, aconf);
409			write_conf_line(source_p, conf, current_date, cur_time);
410			}
411
412			rehashed_klines = 1;
413			}
414			}
415
416	michael	1058	/*
417			** m_undline
418			** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk>
419			** based totally on m_unkline
420			** added to hybrid-7 7/11/2000 --is
421			**
422			** parv[0] = sender nick
423			** parv[1] = dline to remove
424			*/
425			static void
426			mo_undline(struct Client client_p, struct Client source_p,
427			int parc, char *parv[])
428			{
429	michael	1301	char addr = NULL, user = NULL;
430			char *target_server = NULL;
431	michael	1058
432	michael	1301	if (!HasOFlag(source_p, OPER_FLAG_UNDLINE))
433	michael	1058	{
434			sendto_one(source_p, form_str(ERR_NOPRIVS),
435			me.name, source_p->name, "undline");
436			return;
437			}
438
439	michael	1301	if (parc < 2 \|\| EmptyString(parv[1]))
440			{
441			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
442			me.name, source_p->name, "UNDLINE");
443			return;
444			}
445	michael	1058
446	michael	1301	if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user,
447			&addr, NULL, &target_server, NULL) < 0)
448			return;
449
450			if (target_server != NULL)
451			{
452			sendto_match_servs(source_p, target_server, CAP_UNDLN,
453			"UNDLINE %s %s", target_server, addr);
454
455			/* Allow ON to apply local unkline as well if it matches */
456			if (!match(target_server, me.name))
457			return;
458			}
459			else
460			cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE,
461			"%s", addr);
462
463	michael	1298	if (remove_tdline_match(addr))
464	michael	1058	{
465			sendto_one(source_p,
466	michael	1301	":%s NOTICE %s :Un-Dlined [%s] from temporary D-Lines",
467			me.name, source_p->name, addr);
468	michael	1058	sendto_realops_flags(UMODE_ALL, L_ALL,
469			"%s has removed the temporary D-Line for: [%s]",
470	michael	1298	get_oper_name(source_p), addr);
471	michael	1301	ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
472			source_p->name, addr);
473	michael	1058	return;
474			}
475
476	michael	1298	if (remove_conf_line(DLINE_TYPE, source_p, addr, NULL) > 0)
477	michael	1058	{
478			sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed",
479	michael	1298	me.name, source_p->name, addr);
480	michael	1058	sendto_realops_flags(UMODE_ALL, L_ALL,
481			"%s has removed the D-Line for: [%s]",
482	michael	1298	get_oper_name(source_p), addr);
483	michael	1247	ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
484	michael	1298	get_oper_name(source_p), addr);
485	michael	1058	}
486			else
487			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
488	michael	1298	me.name, source_p->name, addr);
489	michael	1058	}
490	michael	1230
491	michael	1301	static void
492			me_undline(struct Client client_p, struct Client source_p,
493			int parc, char *parv[])
494			{
495			const char *addr = NULL;
496
497			if (parc != 3 \|\| EmptyString(parv[2]))
498			return;
499
500			addr = parv[2];
501
502			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
503			return;
504
505			if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE,
506			source_p->servptr->name,
507			source_p->username, source_p->host,
508			SHARED_UNDLINE))
509			{
510			if (remove_tdline_match(addr))
511			{
512			sendto_one(source_p,
513			":%s NOTICE %s :Un-Dlined [%s] from temporary D-Lines",
514			me.name, source_p->name, addr);
515			sendto_realops_flags(UMODE_ALL, L_ALL,
516			"%s has removed the temporary D-Line for: [%s]",
517			get_oper_name(source_p), addr);
518			ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]",
519			source_p->name, addr);
520			return;
521			}
522
523			if (remove_conf_line(DLINE_TYPE, source_p, addr, NULL) > 0)
524			{
525			sendto_one(source_p, ":%s NOTICE %s :D-Line for [%s] is removed",
526			me.name, source_p->name, addr);
527			sendto_realops_flags(UMODE_ALL, L_ALL,
528			"%s has removed the D-Line for: [%s]",
529			get_oper_name(source_p), addr);
530			ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]",
531			get_oper_name(source_p), addr);
532			}
533			else
534			sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found",
535			me.name, source_p->name, addr);
536			}
537			}
538
539			static void
540			ms_undline(struct Client client_p, struct Client source_p,
541			int parc, char *parv[])
542			{
543			if (parc != 3 \|\| EmptyString(parv[2]))
544			return;
545
546			sendto_match_servs(source_p, parv[1], CAP_UNDLN,
547			"UNDLINE %s %s %s",
548			parv[1], parv[2]);
549
550			me_undline(client_p, source_p, parc, parv);
551			}
552
553	michael	1230	static struct Message dline_msgtab = {
554			"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
555	michael	1301	{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore}
556	michael	1230	};
557
558			static struct Message undline_msgtab = {
559			"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
560	michael	1301	{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore}
561	michael	1230	};
562
563			static void
564			module_init(void)
565			{
566			mod_add_cmd(&dline_msgtab);
567			mod_add_cmd(&undline_msgtab);
568	michael	1301	add_capability("DLN", CAP_DLN, 1);
569			add_capability("UNDLN", CAP_UNDLN, 1);
570	michael	1230	}
571
572			static void
573			module_exit(void)
574			{
575			mod_del_cmd(&dline_msgtab);
576			mod_del_cmd(&undline_msgtab);
577	michael	1301	delete_capability("UNDLN");
578			delete_capability("DLN");
579	michael	1230	}
580
581			struct module module_entry = {
582			.node = { NULL, NULL, NULL },
583			.name = NULL,
584			.version = "$Revision$",
585			.handle = NULL,
586			.modinit = module_init,
587			.modexit = module_exit,
588			.flags = 0
589			};