trunk/modules/m_kline.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2002-2014 ircd-hybrid development team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 */

/*! \file m_kline.c
 * \brief Includes required functions for processing the KLINE/UNKLINE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "conf.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 "s_gline.h"
#include "parse.h"
#include "modules.h"
#include "conf_db.h"
#include "memory.h"


static void
check_kline(struct AddressRec *arec)
{
  dlink_node *ptr = NULL, *ptr_next = NULL;

  DLINK_FOREACH_SAFE(ptr, ptr_next, local_client_list.head)
  {
    struct Client *client_p = ptr->data;

    if (IsDead(client_p))
      continue;

    if (match(arec->username, client_p->username))
      continue;

    switch (arec->masktype)
    {
      case HM_IPV4:
        if (client_p->localClient->aftype == AF_INET)
          if (match_ipv4(&client_p->localClient->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      case HM_IPV6:
        if (client_p->localClient->aftype == AF_INET6)
          if (match_ipv6(&client_p->localClient->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
            conf_try_ban(client_p, arec->conf);
        break;
      default:  /* HM_HOST */
        if (!match(arec->Mask.hostname, client_p->host))
          conf_try_ban(client_p, arec->conf);
        break;
    }
  }
}

/* apply_tkline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
m_kline_add_kline(struct Client *source_p, struct MaskItem *conf,
                  time_t tkline_time)
{
  if (tkline_time)
  {
    conf->until = CurrentTime + tkline_time;
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added temporary %d min. K-Line for [%s@%s] [%s]",
                         get_oper_name(source_p), tkline_time/60,
                         conf->user, conf->host,
                         conf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, tkline_time/60, conf->user, conf->host);
    ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
         get_oper_name(source_p), tkline_time/60,
         conf->user, conf->host, conf->reason);
  }
  else
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added K-Line for [%s@%s] [%s]",
                         get_oper_name(source_p),
                         conf->user, conf->host, conf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, conf->user, conf->host);
    ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
         get_oper_name(source_p), conf->user, conf->host, conf->reason);
  }

  conf->setat = CurrentTime;
  SetConfDatabase(conf);

  check_kline(add_conf_by_address(CONF_KLINE, conf));
}

/* static int remove_tkline_match(const char *host, const char *user)
 * Input: A hostname, a username to unkline.
 * Output: returns YES on success, NO if no tkline removed.
 * Side effects: Any matching tklines are removed.
 */
static int
remove_kline_match(const char *host, const char *user)
{
  struct irc_ssaddr iphost, *piphost;
  struct MaskItem *conf;
  int t = 0;
  int aftype = 0;

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

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

  return 0;
}

/* already_placed_kline()
 * inputs       - user to complain to, username & host to check for
 * outputs      - returns 1 on existing K-line, 0 if doesn't exist
 * side effects - notifies source_p if the K-line already exists
 */
/*
 * Note: This currently works if the new K-line is a special case of an
 *       existing K-line, but not the other way round. To do that we would
 *       have to walk the hash and check every existing K-line. -A1kmm.
 */
static int
already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int warn)
{
  const char *reason;
  struct irc_ssaddr iphost, *piphost;
  struct MaskItem *conf = NULL;
  int t = 0;
  int aftype = 0;

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

  if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, aftype, luser, NULL, 0)))
  {
    if (warn)
    {
      reason = conf->reason ? conf->reason : CONF_NOREASON;
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
                 me.name, source_p->name, luser, lhost, conf->user,
                 conf->host, reason);
    }

    return 1;
  }

  return 0;
}

/* mo_kline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - k line is added
 */
static void
mo_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char buffer[IRCD_BUFSIZE];
  char *reason = NULL;
  char *user = NULL;
  char *host = NULL;
  const char *current_date;
  char *target_server = NULL;
  struct MaskItem *conf;
  time_t tkline_time = 0;
  time_t cur_time;

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

  if (parse_aline("KLINE", source_p, parc, parv, AWILD, &user, &host,
                  &tkline_time, &target_server, &reason) < 0)
    return;

  if (target_server != NULL)
  {
    sendto_match_servs(source_p, target_server, CAP_KLN, "KLINE %s %lu %s %s :%s",
                       target_server, (unsigned long)tkline_time,
                       user, host, 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, "KLINE", CAP_KLN, SHARED_KLINE,
                   "%d %s %s :%s", tkline_time, user, host, reason);

  if (already_placed_kline(source_p, user, host, 1))
    return;

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);
  conf = conf_make(CONF_KLINE);

  conf->host = xstrdup(host);
  conf->user = xstrdup(user);

  if (tkline_time != 0)
    snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
             (int)(tkline_time/60), reason, current_date);
  else
    snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);

  conf->reason = xstrdup(buffer);
  m_kline_add_kline(source_p, conf, tkline_time);
}

/* me_kline - handle remote kline. no propagation */
static void
me_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char buffer[IRCD_BUFSIZE];
  struct MaskItem *conf = NULL;
  int tkline_time = 0;
  const char *current_date;
  time_t cur_time;
  char *kuser, *khost, *kreason;

  if (parc != 6 || EmptyString(parv[5]))
    return;

  if (match(parv[1], me.name))
    return;

  tkline_time = valid_tkline(parv[2], TK_SECONDS);
  kuser = parv[3];
  khost = parv[4];
  kreason = parv[5];

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_KLINE))
  {
    if (!IsClient(source_p) ||
        already_placed_kline(source_p, kuser, khost, 1))
      return;

    conf = conf_make(CONF_KLINE);
    conf->host = xstrdup(khost);
    conf->user = xstrdup(kuser);

    if (tkline_time != 0)
      snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
               (int)(tkline_time/60), kreason, current_date);
    else
      snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);

    conf->reason = xstrdup(buffer);
    m_kline_add_kline(source_p, conf, tkline_time);
  }
}

static void
ms_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (parc != 6 || EmptyString(parv[5]))
    return;

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4]  parv[5] */
  /* oper     target_server  tkline_time  user     host     reason */
  sendto_match_servs(source_p, parv[1], CAP_KLN,
                     "KLINE %s %s %s %s :%s",
                     parv[1], parv[2], parv[3], parv[4], parv[5]);

  me_kline(client_p, source_p, parc, parv);
}

/*
** mo_unkline
** Added Aug 31, 1997 
** common (Keith Fralick) fralick@gate.net
**
**      parv[0] = sender
**      parv[1] = address to remove
*
*
*/
static void
mo_unkline(struct Client *client_p,struct Client *source_p,
           int parc, char *parv[])
{
  char *target_server = NULL;
  char *user, *host;

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

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "UNKLINE");
    return;
  }

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

  if (target_server != NULL)
  {
     sendto_match_servs(source_p, target_server, CAP_UNKLN,
                        "UNKLINE %s %s %s",
                        target_server, user, host);

    /* Allow ON to apply local unkline as well if it matches */
    if (match(target_server, me.name))
      return;
  }
  else
    cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
                   "%s %s", user, host);

  if (remove_kline_match(host, user))
  {
    sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
               me.name, source_p->name, user, host);
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the K-Line for: [%s@%s]",
                         get_oper_name(source_p), user, host);
    ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
         get_oper_name(source_p), user, host);
  }
  else
    sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found", 
               me.name, source_p->name, user, host);
}

/* me_unkline()
 *
 * inputs       - server
 *              - client
 *              - parc
 *              - parv
 * outputs      - none
 * side effects - if server is authorized, kline is removed
 *                does not propagate message
 */
static void
me_unkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  const char *kuser, *khost;

  if (parc != 4)
    return;

  kuser = parv[2];
  khost = parv[3];

  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_UNKLINE))
  {
    if (remove_kline_match(khost, kuser))
    {
      sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
                 me.name, source_p->name, kuser, khost);
      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                           "%s has removed the K-Line for: [%s@%s]",
                           get_oper_name(source_p), kuser, khost);
      ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
           get_oper_name(source_p), kuser, khost);
    }
    else
      sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
                 me.name, source_p->name, kuser, khost);
  }
}

/* ms_unkline - propagates and handles a remote unkline message */
static void
ms_unkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  if (parc != 4)
    return;

  sendto_match_servs(source_p, parv[1], CAP_UNKLN,
                     "UNKLINE %s %s %s",
                     parv[1], parv[2], parv[3]);

  me_unkline(client_p, source_p, parc, parv);
}

static struct Message kline_msgtab =
{
  "KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore }
};

static struct Message unkline_msgtab =
{
  "UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&kline_msgtab);
  mod_add_cmd(&unkline_msgtab);
  add_capability("KLN", CAP_KLN, 1);
  add_capability("UNKLN", CAP_UNKLN, 1);
}

static void
module_exit(void)
{
  mod_del_cmd(&kline_msgtab);
  mod_del_cmd(&unkline_msgtab);
  delete_capability("UNKLN");
  delete_capability("KLN");
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	2813
Committed:	Sun Jan 12 20:23:50 2014 UTC (11 years, 7 months ago) by michael
Content type:	text/x-csrc
File size:	14328 byte(s)
Log Message:	- Renamed ban_them() to conf_try_ban() - conf_try_ban() removed exemption notices that are now redundant
#	User	Rev	Content
1	adx	30	/*
2	michael	2810	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2810	* Copyright (c) 2002-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* USA
20			*/
21
22	michael	2810	/*! \file m_kline.c
23			* \brief Includes required functions for processing the KLINE/UNKLINE command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "channel.h"
30			#include "client.h"
31			#include "irc_string.h"
32			#include "ircd.h"
33	michael	1632	#include "conf.h"
34	adx	30	#include "hostmask.h"
35			#include "numeric.h"
36			#include "fdlist.h"
37			#include "s_bsd.h"
38	michael	1309	#include "log.h"
39	adx	30	#include "s_misc.h"
40			#include "send.h"
41			#include "hash.h"
42			#include "s_serv.h"
43			#include "s_gline.h"
44			#include "parse.h"
45			#include "modules.h"
46	michael	1622	#include "conf_db.h"
47	michael	1666	#include "memory.h"
48	adx	30
49	michael	1058
50	michael	2811	static void
51			check_kline(struct AddressRec *arec)
52			{
53			dlink_node ptr = NULL, ptr_next = NULL;
54
55			DLINK_FOREACH_SAFE(ptr, ptr_next, local_client_list.head)
56			{
57			struct Client *client_p = ptr->data;
58
59	michael	2812	if (IsDead(client_p))
60	michael	2811	continue;
61
62			if (match(arec->username, client_p->username))
63			continue;
64
65			switch (arec->masktype)
66			{
67			case HM_IPV4:
68			if (client_p->localClient->aftype == AF_INET)
69			if (match_ipv4(&client_p->localClient->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
70	michael	2813	conf_try_ban(client_p, arec->conf);
71	michael	2811	break;
72			case HM_IPV6:
73			if (client_p->localClient->aftype == AF_INET6)
74			if (match_ipv6(&client_p->localClient->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits))
75	michael	2813	conf_try_ban(client_p, arec->conf);
76	michael	2811	break;
77			default: /* HM_HOST */
78			if (!match(arec->Mask.hostname, client_p->host))
79	michael	2813	conf_try_ban(client_p, arec->conf);
80	michael	2811	break;
81			}
82			}
83			}
84
85	michael	2810	/* apply_tkline()
86			*
87			* inputs -
88			* output - NONE
89			* side effects - tkline as given is placed
90			*/
91			static void
92			m_kline_add_kline(struct Client source_p, struct MaskItem conf,
93			time_t tkline_time)
94			{
95			if (tkline_time)
96			{
97			conf->until = CurrentTime + tkline_time;
98			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
99			"%s added temporary %d min. K-Line for [%s@%s] [%s]",
100			get_oper_name(source_p), tkline_time/60,
101			conf->user, conf->host,
102			conf->reason);
103			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
104			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
105			source_p->name, tkline_time/60, conf->user, conf->host);
106			ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
107			get_oper_name(source_p), tkline_time/60,
108			conf->user, conf->host, conf->reason);
109			}
110			else
111			{
112			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
113			"%s added K-Line for [%s@%s] [%s]",
114			get_oper_name(source_p),
115			conf->user, conf->host, conf->reason);
116			sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
117			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
118			source_p->name, conf->user, conf->host);
119			ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
120			get_oper_name(source_p), conf->user, conf->host, conf->reason);
121			}
122	adx	30
123	michael	2810	conf->setat = CurrentTime;
124			SetConfDatabase(conf);
125	adx	30
126	michael	2811	check_kline(add_conf_by_address(CONF_KLINE, conf));
127	michael	2810	}
128
129			/* static int remove_tkline_match(const char host, const char user)
130			* Input: A hostname, a username to unkline.
131			* Output: returns YES on success, NO if no tkline removed.
132			* Side effects: Any matching tklines are removed.
133			*/
134			static int
135			remove_kline_match(const char host, const char user)
136			{
137			struct irc_ssaddr iphost, *piphost;
138			struct MaskItem *conf;
139			int t = 0;
140			int aftype = 0;
141
142			if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
143			{
144			#ifdef IPV6
145			if (t == HM_IPV6)
146			aftype = AF_INET6;
147			else
148			#endif
149			aftype = AF_INET;
150			piphost = &iphost;
151			}
152			else
153			piphost = NULL;
154
155			if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, aftype, user, NULL, 0)))
156			{
157			if (IsConfDatabase(conf))
158			{
159			delete_one_address_conf(host, conf);
160			return 1;
161			}
162			}
163
164			return 0;
165			}
166
167			/* already_placed_kline()
168			* inputs - user to complain to, username & host to check for
169			* outputs - returns 1 on existing K-line, 0 if doesn't exist
170			* side effects - notifies source_p if the K-line already exists
171			*/
172			/*
173			* Note: This currently works if the new K-line is a special case of an
174			* existing K-line, but not the other way round. To do that we would
175			* have to walk the hash and check every existing K-line. -A1kmm.
176			*/
177			static int
178			already_placed_kline(struct Client source_p, const char luser, const char *lhost, int warn)
179			{
180			const char *reason;
181			struct irc_ssaddr iphost, *piphost;
182			struct MaskItem *conf = NULL;
183			int t = 0;
184			int aftype = 0;
185
186			if ((t = parse_netmask(lhost, &iphost, NULL)) != HM_HOST)
187			{
188			#ifdef IPV6
189			if (t == HM_IPV6)
190			aftype = AF_INET6;
191			else
192			#endif
193			aftype = AF_INET;
194			piphost = &iphost;
195			}
196			else
197			piphost = NULL;
198
199			if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, aftype, luser, NULL, 0)))
200			{
201			if (warn)
202			{
203			reason = conf->reason ? conf->reason : CONF_NOREASON;
204			sendto_one(source_p,
205			":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
206			me.name, source_p->name, luser, lhost, conf->user,
207			conf->host, reason);
208			}
209
210			return 1;
211			}
212
213			return 0;
214			}
215
216	adx	30	/* mo_kline()
217			*
218			* inputs - pointer to server
219			* - pointer to client
220			* - parameter count
221			* - parameter list
222			* output -
223			* side effects - k line is added
224			*/
225			static void
226			mo_kline(struct Client client_p, struct Client source_p,
227	michael	1298	int parc, char *parv[])
228	adx	30	{
229	michael	2810	char buffer[IRCD_BUFSIZE];
230	adx	30	char *reason = NULL;
231			char *user = NULL;
232			char *host = NULL;
233			const char *current_date;
234			char *target_server = NULL;
235	michael	1632	struct MaskItem *conf;
236	adx	30	time_t tkline_time = 0;
237			time_t cur_time;
238
239	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_K))
240	adx	30	{
241	michael	2810	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
242			source_p->name, "kline");
243	adx	30	return;
244			}
245
246	michael	2810	if (parse_aline("KLINE", source_p, parc, parv, AWILD, &user, &host,
247			&tkline_time, &target_server, &reason) < 0)
248	adx	30	return;
249
250			if (target_server != NULL)
251			{
252	michael	2804	sendto_match_servs(source_p, target_server, CAP_KLN, "KLINE %s %lu %s %s :%s",
253			target_server, (unsigned long)tkline_time,
254			user, host, reason);
255	adx	30
256			/* Allow ON to apply local kline as well if it matches */
257	michael	1652	if (match(target_server, me.name))
258	adx	30	return;
259			}
260			else
261			cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
262	michael	1058	"%d %s %s :%s", tkline_time, user, host, reason);
263	adx	30
264	michael	1243	if (already_placed_kline(source_p, user, host, 1))
265	adx	30	return;
266
267			cur_time = CurrentTime;
268			current_date = smalldate(cur_time);
269	michael	1632	conf = conf_make(CONF_KLINE);
270	adx	30
271	michael	1646	conf->host = xstrdup(host);
272			conf->user = xstrdup(user);
273	adx	30
274			if (tkline_time != 0)
275	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
276			(int)(tkline_time/60), reason, current_date);
277	adx	30	else
278	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
279	adx	30
280	michael	1646	conf->reason = xstrdup(buffer);
281	michael	1632	m_kline_add_kline(source_p, conf, tkline_time);
282	adx	30	}
283
284			/* me_kline - handle remote kline. no propagation */
285			static void
286			me_kline(struct Client client_p, struct Client source_p,
287			int parc, char *parv[])
288			{
289	michael	2810	char buffer[IRCD_BUFSIZE];
290	michael	1632	struct MaskItem *conf = NULL;
291	michael	1628	int tkline_time = 0;
292	michael	2810	const char *current_date;
293	adx	30	time_t cur_time;
294	michael	1622	char kuser, khost, *kreason;
295	adx	30
296	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
297	adx	30	return;
298
299	michael	1652	if (match(parv[1], me.name))
300	adx	30	return;
301
302			tkline_time = valid_tkline(parv[2], TK_SECONDS);
303			kuser = parv[3];
304			khost = parv[4];
305			kreason = parv[5];
306
307			cur_time = CurrentTime;
308			current_date = smalldate(cur_time);
309
310	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
311			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
312	adx	30	source_p->username, source_p->host,
313			SHARED_KLINE))
314			{
315			if (!IsClient(source_p) \|\|
316	michael	1243	already_placed_kline(source_p, kuser, khost, 1))
317	adx	30	return;
318
319	michael	1632	conf = conf_make(CONF_KLINE);
320	michael	1646	conf->host = xstrdup(khost);
321			conf->user = xstrdup(kuser);
322	adx	30
323			if (tkline_time != 0)
324	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
325			(int)(tkline_time/60), kreason, current_date);
326	adx	30	else
327	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
328	adx	30
329	michael	1646	conf->reason = xstrdup(buffer);
330	michael	1632	m_kline_add_kline(source_p, conf, tkline_time);
331	adx	30	}
332			}
333
334			static void
335			ms_kline(struct Client client_p, struct Client source_p,
336	michael	1058	int parc, char *parv[])
337	adx	30	{
338	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
339	adx	30	return;
340
341			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
342			/* oper target_server tkline_time user host reason */
343			sendto_match_servs(source_p, parv[1], CAP_KLN,
344			"KLINE %s %s %s %s :%s",
345			parv[1], parv[2], parv[3], parv[4], parv[5]);
346
347			me_kline(client_p, source_p, parc, parv);
348			}
349
350			/*
351			** mo_unkline
352			** Added Aug 31, 1997
353			** common (Keith Fralick) fralick@gate.net
354			**
355			** parv[0] = sender
356			** parv[1] = address to remove
357			*
358			*
359			*/
360			static void
361			mo_unkline(struct Client client_p,struct Client source_p,
362			int parc, char *parv[])
363			{
364			char *target_server = NULL;
365			char user, host;
366
367	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
368	adx	30	{
369	michael	2810	sendto_one(source_p, form_str(ERR_NOPRIVS), me.name,
370			source_p->name, "unkline");
371	adx	30	return;
372			}
373
374	michael	1622	if (EmptyString(parv[1]))
375	adx	30	{
376	michael	1834	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
377	adx	30	me.name, source_p->name, "UNKLINE");
378			return;
379			}
380
381			if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
382			&host, NULL, &target_server, NULL) < 0)
383			return;
384
385			if (target_server != NULL)
386			{
387			sendto_match_servs(source_p, target_server, CAP_UNKLN,
388			"UNKLINE %s %s %s",
389			target_server, user, host);
390
391			/* Allow ON to apply local unkline as well if it matches */
392	michael	1652	if (match(target_server, me.name))
393	adx	30	return;
394			}
395			else
396			cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
397	michael	1058	"%s %s", user, host);
398	adx	30
399	michael	1622	if (remove_kline_match(host, user))
400	adx	30	{
401	michael	2810	sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
402	adx	30	me.name, source_p->name, user, host);
403	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
404	michael	1058	"%s has removed the K-Line for: [%s@%s]",
405			get_oper_name(source_p), user, host);
406	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
407	michael	2340	get_oper_name(source_p), user, host);
408	adx	30	}
409			else
410			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
411			me.name, source_p->name, user, host);
412			}
413
414			/* me_unkline()
415			*
416			* inputs - server
417			* - client
418			* - parc
419			* - parv
420			* outputs - none
421			* side effects - if server is authorized, kline is removed
422			* does not propagate message
423			*/
424			static void
425			me_unkline(struct Client client_p, struct Client source_p,
426			int parc, char *parv[])
427			{
428			const char kuser, khost;
429
430			if (parc != 4)
431			return;
432
433			kuser = parv[2];
434			khost = parv[3];
435
436	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
437	adx	30	return;
438
439	michael	2810	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
440			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
441			source_p->username, source_p->host,
442			SHARED_UNKLINE))
443	adx	30	{
444	michael	1622	if (remove_kline_match(khost, kuser))
445	adx	30	{
446	michael	2810	sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
447	adx	30	me.name, source_p->name, kuser, khost);
448	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
449	michael	1622	"%s has removed the K-Line for: [%s@%s]",
450	adx	30	get_oper_name(source_p), kuser, khost);
451	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
452	michael	2340	get_oper_name(source_p), kuser, khost);
453	adx	30	}
454			else
455			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
456			me.name, source_p->name, kuser, khost);
457			}
458			}
459
460			/* ms_unkline - propagates and handles a remote unkline message */
461			static void
462			ms_unkline(struct Client client_p, struct Client source_p,
463			int parc, char *parv[])
464			{
465			if (parc != 4)
466			return;
467
468			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
469			"UNKLINE %s %s %s",
470			parv[1], parv[2], parv[3]);
471
472			me_unkline(client_p, source_p, parc, parv);
473			}
474
475	michael	2810	static struct Message kline_msgtab =
476	adx	30	{
477	michael	1230	"KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
478	michael	2810	{ m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore }
479	michael	1230	};
480
481	michael	2810	static struct Message unkline_msgtab =
482			{
483	michael	1230	"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
484	michael	2810	{ m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore }
485	michael	1230	};
486
487			static void
488			module_init(void)
489			{
490			mod_add_cmd(&kline_msgtab);
491			mod_add_cmd(&unkline_msgtab);
492			add_capability("KLN", CAP_KLN, 1);
493			add_capability("UNKLN", CAP_UNKLN, 1);
494			}
495
496			static void
497			module_exit(void)
498			{
499			mod_del_cmd(&kline_msgtab);
500			mod_del_cmd(&unkline_msgtab);
501			delete_capability("UNKLN");
502			delete_capability("KLN");
503			}
504
505	michael	2810	struct module module_entry =
506			{
507	michael	1230	.node = { NULL, NULL, NULL },
508			.name = NULL,
509			.version = "$Revision$",
510			.handle = NULL,
511			.modinit = module_init,
512			.modexit = module_exit,
513			.flags = 0
514			};