trunk/modules/m_kline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_kline.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 "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 int already_placed_kline(struct Client *, const char *, const char *, int);
static void m_kline_add_kline(struct Client *, struct MaskItem *, time_t);

static char buffer[IRCD_BUFSIZE];
static int remove_kline_match(const char *, const char *);


/* 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 *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, 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)
  {
    if (HasID(source_p))
    {
      sendto_server(NULL, CAP_KLN|CAP_TS6, NOCAPS,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->id, target_server, (unsigned long)tkline_time,
                    user, host, reason);
      sendto_server(NULL, CAP_KLN, CAP_TS6,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);
    }
    else
      sendto_server(NULL, CAP_KLN, NOCAPS,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->name, 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[])
{
  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);
}

/* 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]",
         source_p->name, 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]",
         source_p->name, conf->user, conf->host, conf->reason);
  }

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

  add_conf_by_address(CONF_KLINE, conf);
  rehashed_klines = 1;
}

/* 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_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, ERR_NOPRIVS,
               me.name, source_p->name, "unkline");
    return;
  }

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, 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]",
         source_p->name, 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]",
           source_p->name, 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 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;
}

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:	1832
Committed:	Fri Apr 19 19:16:09 2013 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	13853 byte(s)
Log Message:	- Made all numeric defines use the actual string instead of the numeric value which allows to use gcc's printf format attribute - Remove current message locale implementation
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_kline.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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26	michael	1011	#include "list.h"
27	adx	30	#include "channel.h"
28			#include "client.h"
29			#include "irc_string.h"
30			#include "ircd.h"
31	michael	1632	#include "conf.h"
32	adx	30	#include "hostmask.h"
33			#include "numeric.h"
34			#include "fdlist.h"
35			#include "s_bsd.h"
36	michael	1309	#include "log.h"
37	adx	30	#include "s_misc.h"
38			#include "send.h"
39			#include "hash.h"
40			#include "s_serv.h"
41			#include "s_gline.h"
42			#include "parse.h"
43			#include "modules.h"
44	michael	1622	#include "conf_db.h"
45	michael	1666	#include "memory.h"
46	adx	30
47	michael	1058	static int already_placed_kline(struct Client , const char , const char *, int);
48	michael	1632	static void m_kline_add_kline(struct Client , struct MaskItem , time_t);
49	michael	1058
50			static char buffer[IRCD_BUFSIZE];
51	michael	1622	static int remove_kline_match(const char , const char );
52	adx	30
53
54			/* mo_kline()
55			*
56			* inputs - pointer to server
57			* - pointer to client
58			* - parameter count
59			* - parameter list
60			* output -
61			* side effects - k line is added
62			*/
63			static void
64			mo_kline(struct Client client_p, struct Client source_p,
65	michael	1298	int parc, char *parv[])
66	adx	30	{
67			char *reason = NULL;
68			char *user = NULL;
69			char *host = NULL;
70			const char *current_date;
71			char *target_server = NULL;
72	michael	1632	struct MaskItem *conf;
73	adx	30	time_t tkline_time = 0;
74			time_t cur_time;
75
76	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_K))
77	adx	30	{
78	michael	1832	sendto_one(source_p, ERR_NOPRIVS,
79	adx	30	me.name, source_p->name, "kline");
80			return;
81			}
82
83			if (parse_aline("KLINE", source_p, parc, parv,
84			AWILD, &user, &host, &tkline_time, &target_server, &reason) < 0)
85			return;
86
87			if (target_server != NULL)
88			{
89			if (HasID(source_p))
90			{
91	michael	1474	sendto_server(NULL, CAP_KLN\|CAP_TS6, NOCAPS,
92	adx	30	":%s KLINE %s %lu %s %s :%s",
93			source_p->id, target_server, (unsigned long)tkline_time,
94			user, host, reason);
95	michael	1474	sendto_server(NULL, CAP_KLN, CAP_TS6,
96	adx	30	":%s KLINE %s %lu %s %s :%s",
97			source_p->name, target_server, (unsigned long)tkline_time,
98			user, host, reason);
99			}
100			else
101	michael	1474	sendto_server(NULL, CAP_KLN, NOCAPS,
102	adx	30	":%s KLINE %s %lu %s %s :%s",
103			source_p->name, target_server, (unsigned long)tkline_time,
104			user, host, reason);
105
106			/* Allow ON to apply local kline as well if it matches */
107	michael	1652	if (match(target_server, me.name))
108	adx	30	return;
109			}
110			else
111			cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
112	michael	1058	"%d %s %s :%s", tkline_time, user, host, reason);
113	adx	30
114	michael	1243	if (already_placed_kline(source_p, user, host, 1))
115	adx	30	return;
116
117			cur_time = CurrentTime;
118			current_date = smalldate(cur_time);
119	michael	1632	conf = conf_make(CONF_KLINE);
120	adx	30
121	michael	1646	conf->host = xstrdup(host);
122			conf->user = xstrdup(user);
123	adx	30
124			if (tkline_time != 0)
125	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
126			(int)(tkline_time/60), reason, current_date);
127	adx	30	else
128	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
129	adx	30
130	michael	1646	conf->reason = xstrdup(buffer);
131	michael	1632	m_kline_add_kline(source_p, conf, tkline_time);
132	adx	30	}
133
134			/* me_kline - handle remote kline. no propagation */
135			static void
136			me_kline(struct Client client_p, struct Client source_p,
137			int parc, char *parv[])
138			{
139	michael	1632	struct MaskItem *conf = NULL;
140	michael	1628	int tkline_time = 0;
141	adx	30	const char* current_date;
142			time_t cur_time;
143	michael	1622	char kuser, khost, *kreason;
144	adx	30
145	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
146	adx	30	return;
147
148	michael	1652	if (match(parv[1], me.name))
149	adx	30	return;
150
151			tkline_time = valid_tkline(parv[2], TK_SECONDS);
152			kuser = parv[3];
153			khost = parv[4];
154			kreason = parv[5];
155
156			cur_time = CurrentTime;
157			current_date = smalldate(cur_time);
158
159	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
160	adx	30	source_p->username, source_p->host,
161			SHARED_KLINE))
162			{
163			if (!IsClient(source_p) \|\|
164	michael	1243	already_placed_kline(source_p, kuser, khost, 1))
165	adx	30	return;
166
167	michael	1632	conf = conf_make(CONF_KLINE);
168	michael	1646	conf->host = xstrdup(khost);
169			conf->user = xstrdup(kuser);
170	adx	30
171			if (tkline_time != 0)
172	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
173			(int)(tkline_time/60), kreason, current_date);
174	adx	30	else
175	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
176	adx	30
177	michael	1646	conf->reason = xstrdup(buffer);
178	michael	1632	m_kline_add_kline(source_p, conf, tkline_time);
179	adx	30	}
180			}
181
182			static void
183			ms_kline(struct Client client_p, struct Client source_p,
184	michael	1058	int parc, char *parv[])
185	adx	30	{
186	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
187	adx	30	return;
188
189			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
190			/* oper target_server tkline_time user host reason */
191			sendto_match_servs(source_p, parv[1], CAP_KLN,
192			"KLINE %s %s %s %s :%s",
193			parv[1], parv[2], parv[3], parv[4], parv[5]);
194
195			me_kline(client_p, source_p, parc, parv);
196			}
197
198			/* apply_tkline()
199			*
200			* inputs -
201			* output - NONE
202			* side effects - tkline as given is placed
203			*/
204			static void
205	michael	1632	m_kline_add_kline(struct Client source_p, struct MaskItem conf,
206	michael	1622	time_t tkline_time)
207	adx	30	{
208	michael	1622	if (tkline_time)
209			{
210	michael	1649	conf->until = CurrentTime + tkline_time;
211	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
212			"%s added temporary %d min. K-Line for [%s@%s] [%s]",
213			get_oper_name(source_p), tkline_time/60,
214	michael	1632	conf->user, conf->host,
215			conf->reason);
216	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
217	michael	1632	MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
218			source_p->name, tkline_time/60, conf->user, conf->host);
219	michael	1622	ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
220			source_p->name, tkline_time/60,
221	michael	1632	conf->user, conf->host, conf->reason);
222	michael	1622	}
223			else
224			{
225			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
226			"%s added K-Line for [%s@%s] [%s]",
227			get_oper_name(source_p),
228	michael	1632	conf->user, conf->host, conf->reason);
229	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
230			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
231	michael	1632	source_p->name, conf->user, conf->host);
232	michael	1622	ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
233	michael	1632	source_p->name, conf->user, conf->host, conf->reason);
234	michael	1622	}
235	michael	1247
236	michael	1632	conf->setat = CurrentTime;
237			SetConfDatabase(conf);
238	michael	1628
239	michael	1632	add_conf_by_address(CONF_KLINE, conf);
240	adx	30	rehashed_klines = 1;
241			}
242
243			/* already_placed_kline()
244			* inputs - user to complain to, username & host to check for
245			* outputs - returns 1 on existing K-line, 0 if doesn't exist
246			* side effects - notifies source_p if the K-line already exists
247			*/
248			/*
249			* Note: This currently works if the new K-line is a special case of an
250			* existing K-line, but not the other way round. To do that we would
251			* have to walk the hash and check every existing K-line. -A1kmm.
252			*/
253			static int
254			already_placed_kline(struct Client source_p, const char luser, const char *lhost, int warn)
255			{
256			const char *reason;
257			struct irc_ssaddr iphost, *piphost;
258	michael	1632	struct MaskItem *conf = NULL;
259	michael	1644	int t = 0;
260			int aftype = 0;
261	adx	30
262	michael	1644	if ((t = parse_netmask(lhost, &iphost, NULL)) != HM_HOST)
263	adx	30	{
264			#ifdef IPV6
265			if (t == HM_IPV6)
266	michael	1644	aftype = AF_INET6;
267	adx	30	else
268			#endif
269	michael	1644	aftype = AF_INET;
270	adx	30	piphost = &iphost;
271			}
272			else
273			piphost = NULL;
274
275	michael	1644	if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, aftype, luser, NULL, 0)))
276	adx	30	{
277			if (warn)
278			{
279	michael	1794	reason = conf->reason ? conf->reason : CONF_NOREASON;
280	adx	30	sendto_one(source_p,
281			":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
282	michael	1632	me.name, source_p->name, luser, lhost, conf->user,
283			conf->host, reason);
284	adx	30	}
285	michael	1298
286			return 1;
287	adx	30	}
288
289	michael	1298	return 0;
290	adx	30	}
291
292			/*
293			** mo_unkline
294			** Added Aug 31, 1997
295			** common (Keith Fralick) fralick@gate.net
296			**
297			** parv[0] = sender
298			** parv[1] = address to remove
299			*
300			*
301			*/
302			static void
303			mo_unkline(struct Client client_p,struct Client source_p,
304			int parc, char *parv[])
305			{
306			char *target_server = NULL;
307			char user, host;
308
309	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
310	adx	30	{
311	michael	1832	sendto_one(source_p, ERR_NOPRIVS,
312	adx	30	me.name, source_p->name, "unkline");
313			return;
314			}
315
316	michael	1622	if (EmptyString(parv[1]))
317	adx	30	{
318	michael	1832	sendto_one(source_p, ERR_NEEDMOREPARAMS,
319	adx	30	me.name, source_p->name, "UNKLINE");
320			return;
321			}
322
323			if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
324			&host, NULL, &target_server, NULL) < 0)
325			return;
326
327			if (target_server != NULL)
328			{
329			sendto_match_servs(source_p, target_server, CAP_UNKLN,
330			"UNKLINE %s %s %s",
331			target_server, user, host);
332
333			/* Allow ON to apply local unkline as well if it matches */
334	michael	1652	if (match(target_server, me.name))
335	adx	30	return;
336			}
337			else
338			cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
339	michael	1058	"%s %s", user, host);
340	adx	30
341	michael	1622	if (remove_kline_match(host, user))
342	adx	30	{
343			sendto_one(source_p,
344	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
345	adx	30	me.name, source_p->name, user, host);
346	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
347	michael	1058	"%s has removed the K-Line for: [%s@%s]",
348			get_oper_name(source_p), user, host);
349	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
350	michael	1058	source_p->name, user, host);
351	adx	30	}
352			else
353			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
354			me.name, source_p->name, user, host);
355			}
356
357			/* me_unkline()
358			*
359			* inputs - server
360			* - client
361			* - parc
362			* - parv
363			* outputs - none
364			* side effects - if server is authorized, kline is removed
365			* does not propagate message
366			*/
367			static void
368			me_unkline(struct Client client_p, struct Client source_p,
369			int parc, char *parv[])
370			{
371			const char kuser, khost;
372
373			if (parc != 4)
374			return;
375
376			kuser = parv[2];
377			khost = parv[3];
378
379	michael	1652	if (!IsClient(source_p) \|\| match(parv[1], me.name))
380	adx	30	return;
381
382	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE,
383	adx	30	source_p->servptr->name,
384			source_p->username, source_p->host,
385			SHARED_UNKLINE))
386			{
387	michael	1622	if (remove_kline_match(khost, kuser))
388	adx	30	{
389			sendto_one(source_p,
390	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
391	adx	30	me.name, source_p->name, kuser, khost);
392	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
393	michael	1622	"%s has removed the K-Line for: [%s@%s]",
394	adx	30	get_oper_name(source_p), kuser, khost);
395	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
396	adx	30	source_p->name, kuser, khost);
397			}
398			else
399			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
400			me.name, source_p->name, kuser, khost);
401			}
402			}
403
404			/* ms_unkline - propagates and handles a remote unkline message */
405			static void
406			ms_unkline(struct Client client_p, struct Client source_p,
407			int parc, char *parv[])
408			{
409			if (parc != 4)
410			return;
411
412			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
413			"UNKLINE %s %s %s",
414			parv[1], parv[2], parv[3]);
415
416			me_unkline(client_p, source_p, parc, parv);
417			}
418
419			/* static int remove_tkline_match(const char host, const char user)
420			* Input: A hostname, a username to unkline.
421			* Output: returns YES on success, NO if no tkline removed.
422			* Side effects: Any matching tklines are removed.
423			*/
424			static int
425	michael	1622	remove_kline_match(const char host, const char user)
426	adx	30	{
427	michael	1369	struct irc_ssaddr iphost, *piphost;
428	michael	1644	struct MaskItem *conf;
429			int t = 0;
430			int aftype = 0;
431	michael	1298
432	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
433	adx	30	{
434			#ifdef IPV6
435	michael	1369	if (t == HM_IPV6)
436	michael	1644	aftype = AF_INET6;
437	michael	1369	else
438	adx	30	#endif
439	michael	1644	aftype = AF_INET;
440	michael	1369	piphost = &iphost;
441	adx	30	}
442	michael	1369	else
443			piphost = NULL;
444	adx	30
445	michael	1644	if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, aftype, user, NULL, 0)))
446	michael	1369	{
447	michael	1632	if (IsConfDatabase(conf))
448	michael	1369	{
449	michael	1632	delete_one_address_conf(host, conf);
450	michael	1369	return 1;
451			}
452			}
453
454	michael	1058	return 0;
455	adx	30	}
456	michael	1230
457			static struct Message kline_msgtab = {
458			"KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
459			{m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore}
460			};
461
462			static struct Message unkline_msgtab = {
463			"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
464			{m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore}
465			};
466
467			static void
468			module_init(void)
469			{
470			mod_add_cmd(&kline_msgtab);
471			mod_add_cmd(&unkline_msgtab);
472			add_capability("KLN", CAP_KLN, 1);
473			add_capability("UNKLN", CAP_UNKLN, 1);
474			}
475
476			static void
477			module_exit(void)
478			{
479			mod_del_cmd(&kline_msgtab);
480			mod_del_cmd(&unkline_msgtab);
481			delete_capability("UNKLN");
482			delete_capability("KLN");
483			}
484
485			struct module module_entry = {
486			.node = { NULL, NULL, NULL },
487			.name = NULL,
488			.version = "$Revision$",
489			.handle = NULL,
490			.modinit = module_init,
491			.modexit = module_exit,
492			.flags = 0
493			};