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 "sprintf_irc.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"


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, 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)
  {
    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);

  DupString(conf->host, host);
  DupString(conf->user, 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);

  DupString(conf->reason, 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);
    DupString(conf->host, khost);
    DupString(conf->user, 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);

    DupString(conf->reason, 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->hold = 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;

  if ((t = parse_netmask(lhost, &iphost, &t)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      t = AF_INET6;
    else
#endif
      t = AF_INET;
    piphost = &iphost;
  }
  else
  {
    t = 0;
    piphost = NULL;
  }

  if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, t, luser, NULL, 0)))
  {
    if (warn)
    {
      reason = conf->reason ? conf->reason : "No reason";
      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, 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]",
         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 = NULL;
  int t;

  if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      t = AF_INET6;
    else
#endif
      t = AF_INET;
    piphost = &iphost;
  }
  else
  {
    t = 0;
    piphost = NULL;
  }

  if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, t, 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:	1632
Committed:	Sun Nov 4 15:37:10 2012 UTC (13 years, 11 months ago) by michael
Content type:	text/x-csrc
File size:	13865 byte(s)
Log Message:	- Initial rewrite of the configuration subsystem
#	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 "sprintf_irc.h"
31			#include "ircd.h"
32	michael	1632	#include "conf.h"
33	adx	30	#include "hostmask.h"
34			#include "numeric.h"
35			#include "fdlist.h"
36			#include "s_bsd.h"
37	michael	1309	#include "log.h"
38	adx	30	#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	michael	1622	#include "conf_db.h"
46	adx	30
47	michael	611
48	michael	1058	static int already_placed_kline(struct Client , const char , const char *, int);
49	michael	1632	static void m_kline_add_kline(struct Client , struct MaskItem , time_t);
50	michael	1058
51			static char buffer[IRCD_BUFSIZE];
52	michael	1622	static int remove_kline_match(const char , const char );
53	adx	30
54
55			/* mo_kline()
56			*
57			* inputs - pointer to server
58			* - pointer to client
59			* - parameter count
60			* - parameter list
61			* output -
62			* side effects - k line is added
63			*/
64			static void
65			mo_kline(struct Client client_p, struct Client source_p,
66	michael	1298	int parc, char *parv[])
67	adx	30	{
68			char *reason = NULL;
69			char *user = NULL;
70			char *host = NULL;
71			const char *current_date;
72			char *target_server = NULL;
73	michael	1632	struct MaskItem *conf;
74	adx	30	time_t tkline_time = 0;
75			time_t cur_time;
76
77	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_K))
78	adx	30	{
79			sendto_one(source_p, form_str(ERR_NOPRIVS),
80			me.name, source_p->name, "kline");
81			return;
82			}
83
84			if (parse_aline("KLINE", source_p, parc, parv,
85			AWILD, &user, &host, &tkline_time, &target_server, &reason) < 0)
86			return;
87
88			if (target_server != NULL)
89			{
90			if (HasID(source_p))
91			{
92	michael	1474	sendto_server(NULL, CAP_KLN\|CAP_TS6, NOCAPS,
93	adx	30	":%s KLINE %s %lu %s %s :%s",
94			source_p->id, target_server, (unsigned long)tkline_time,
95			user, host, reason);
96	michael	1474	sendto_server(NULL, CAP_KLN, CAP_TS6,
97	adx	30	":%s KLINE %s %lu %s %s :%s",
98			source_p->name, target_server, (unsigned long)tkline_time,
99			user, host, reason);
100			}
101			else
102	michael	1474	sendto_server(NULL, CAP_KLN, NOCAPS,
103	adx	30	":%s KLINE %s %lu %s %s :%s",
104			source_p->name, target_server, (unsigned long)tkline_time,
105			user, host, reason);
106
107			/* Allow ON to apply local kline as well if it matches */
108			if (!match(target_server, me.name))
109			return;
110			}
111			else
112			cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
113	michael	1058	"%d %s %s :%s", tkline_time, user, host, reason);
114	adx	30
115	michael	1243	if (already_placed_kline(source_p, user, host, 1))
116	adx	30	return;
117
118			cur_time = CurrentTime;
119			current_date = smalldate(cur_time);
120	michael	1632	conf = conf_make(CONF_KLINE);
121	adx	30
122	michael	1632	DupString(conf->host, host);
123			DupString(conf->user, user);
124	adx	30
125			if (tkline_time != 0)
126	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
127			(int)(tkline_time/60), reason, current_date);
128	adx	30	else
129	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
130	adx	30
131	michael	1632	DupString(conf->reason, buffer);
132			m_kline_add_kline(source_p, conf, tkline_time);
133	adx	30	}
134
135			/* me_kline - handle remote kline. no propagation */
136			static void
137			me_kline(struct Client client_p, struct Client source_p,
138			int parc, char *parv[])
139			{
140	michael	1632	struct MaskItem *conf = NULL;
141	michael	1628	int tkline_time = 0;
142	adx	30	const char* current_date;
143			time_t cur_time;
144	michael	1622	char kuser, khost, *kreason;
145	adx	30
146	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
147	adx	30	return;
148
149			if (!match(parv[1], me.name))
150			return;
151
152			tkline_time = valid_tkline(parv[2], TK_SECONDS);
153			kuser = parv[3];
154			khost = parv[4];
155			kreason = parv[5];
156
157			cur_time = CurrentTime;
158			current_date = smalldate(cur_time);
159
160	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
161	adx	30	source_p->username, source_p->host,
162			SHARED_KLINE))
163			{
164			if (!IsClient(source_p) \|\|
165	michael	1243	already_placed_kline(source_p, kuser, khost, 1))
166	adx	30	return;
167
168	michael	1632	conf = conf_make(CONF_KLINE);
169			DupString(conf->host, khost);
170			DupString(conf->user, kuser);
171	adx	30
172			if (tkline_time != 0)
173	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
174			(int)(tkline_time/60), kreason, current_date);
175	adx	30	else
176	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
177	adx	30
178	michael	1632	DupString(conf->reason, buffer);
179			m_kline_add_kline(source_p, conf, tkline_time);
180	adx	30	}
181			}
182
183			static void
184			ms_kline(struct Client client_p, struct Client source_p,
185	michael	1058	int parc, char *parv[])
186	adx	30	{
187	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
188	adx	30	return;
189
190			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
191			/* oper target_server tkline_time user host reason */
192			sendto_match_servs(source_p, parv[1], CAP_KLN,
193			"KLINE %s %s %s %s :%s",
194			parv[1], parv[2], parv[3], parv[4], parv[5]);
195
196			me_kline(client_p, source_p, parc, parv);
197			}
198
199			/* apply_tkline()
200			*
201			* inputs -
202			* output - NONE
203			* side effects - tkline as given is placed
204			*/
205			static void
206	michael	1632	m_kline_add_kline(struct Client source_p, struct MaskItem conf,
207	michael	1622	time_t tkline_time)
208	adx	30	{
209	michael	1622	if (tkline_time)
210			{
211	michael	1632	conf->hold = CurrentTime + tkline_time;
212	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
213			"%s added temporary %d min. K-Line for [%s@%s] [%s]",
214			get_oper_name(source_p), tkline_time/60,
215	michael	1632	conf->user, conf->host,
216			conf->reason);
217	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
218	michael	1632	MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
219			source_p->name, tkline_time/60, conf->user, conf->host);
220	michael	1622	ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
221			source_p->name, tkline_time/60,
222	michael	1632	conf->user, conf->host, conf->reason);
223	michael	1622	}
224			else
225			{
226			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
227			"%s added K-Line for [%s@%s] [%s]",
228			get_oper_name(source_p),
229	michael	1632	conf->user, conf->host, conf->reason);
230	michael	1622	sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
231			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
232	michael	1632	source_p->name, conf->user, conf->host);
233	michael	1622	ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
234	michael	1632	source_p->name, conf->user, conf->host, conf->reason);
235	michael	1622	}
236	michael	1247
237	michael	1632	conf->setat = CurrentTime;
238			SetConfDatabase(conf);
239	michael	1628
240	michael	1632	add_conf_by_address(CONF_KLINE, conf);
241	adx	30	rehashed_klines = 1;
242			}
243
244			/* already_placed_kline()
245			* inputs - user to complain to, username & host to check for
246			* outputs - returns 1 on existing K-line, 0 if doesn't exist
247			* side effects - notifies source_p if the K-line already exists
248			*/
249			/*
250			* Note: This currently works if the new K-line is a special case of an
251			* existing K-line, but not the other way round. To do that we would
252			* have to walk the hash and check every existing K-line. -A1kmm.
253			*/
254			static int
255			already_placed_kline(struct Client source_p, const char luser, const char *lhost, int warn)
256			{
257			const char *reason;
258			struct irc_ssaddr iphost, *piphost;
259	michael	1632	struct MaskItem *conf = NULL;
260	adx	30	int t;
261
262			if ((t = parse_netmask(lhost, &iphost, &t)) != HM_HOST)
263			{
264			#ifdef IPV6
265			if (t == HM_IPV6)
266			t = AF_INET6;
267			else
268			#endif
269			t = AF_INET;
270			piphost = &iphost;
271			}
272			else
273			{
274			t = 0;
275			piphost = NULL;
276			}
277
278	michael	1632	if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, t, luser, NULL, 0)))
279	adx	30	{
280			if (warn)
281			{
282	michael	1632	reason = conf->reason ? conf->reason : "No reason";
283	adx	30	sendto_one(source_p,
284			":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
285	michael	1632	me.name, source_p->name, luser, lhost, conf->user,
286			conf->host, reason);
287	adx	30	}
288	michael	1298
289			return 1;
290	adx	30	}
291
292	michael	1298	return 0;
293	adx	30	}
294
295			/*
296			** mo_unkline
297			** Added Aug 31, 1997
298			** common (Keith Fralick) fralick@gate.net
299			**
300			** parv[0] = sender
301			** parv[1] = address to remove
302			*
303			*
304			*/
305			static void
306			mo_unkline(struct Client client_p,struct Client source_p,
307			int parc, char *parv[])
308			{
309			char *target_server = NULL;
310			char user, host;
311
312	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
313	adx	30	{
314			sendto_one(source_p, form_str(ERR_NOPRIVS),
315			me.name, source_p->name, "unkline");
316			return;
317			}
318
319	michael	1622	if (EmptyString(parv[1]))
320	adx	30	{
321			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
322			me.name, source_p->name, "UNKLINE");
323			return;
324			}
325
326			if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
327			&host, NULL, &target_server, NULL) < 0)
328			return;
329
330			if (target_server != NULL)
331			{
332			sendto_match_servs(source_p, target_server, CAP_UNKLN,
333			"UNKLINE %s %s %s",
334			target_server, user, host);
335
336			/* Allow ON to apply local unkline as well if it matches */
337			if (!match(target_server, me.name))
338			return;
339			}
340			else
341			cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
342	michael	1058	"%s %s", user, host);
343	adx	30
344	michael	1622	if (remove_kline_match(host, user))
345	adx	30	{
346			sendto_one(source_p,
347	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
348	adx	30	me.name, source_p->name, user, host);
349	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
350	michael	1058	"%s has removed the K-Line for: [%s@%s]",
351			get_oper_name(source_p), user, host);
352	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
353	michael	1058	source_p->name, user, host);
354	adx	30	}
355			else
356			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
357			me.name, source_p->name, user, host);
358			}
359
360			/* me_unkline()
361			*
362			* inputs - server
363			* - client
364			* - parc
365			* - parv
366			* outputs - none
367			* side effects - if server is authorized, kline is removed
368			* does not propagate message
369			*/
370			static void
371			me_unkline(struct Client client_p, struct Client source_p,
372			int parc, char *parv[])
373			{
374			const char kuser, khost;
375
376			if (parc != 4)
377			return;
378
379			kuser = parv[2];
380			khost = parv[3];
381
382			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
383			return;
384
385	michael	1632	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(CONF_ULINE,
386	adx	30	source_p->servptr->name,
387			source_p->username, source_p->host,
388			SHARED_UNKLINE))
389			{
390	michael	1622	if (remove_kline_match(khost, kuser))
391	adx	30	{
392			sendto_one(source_p,
393	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
394	adx	30	me.name, source_p->name, kuser, khost);
395	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
396	michael	1622	"%s has removed the K-Line for: [%s@%s]",
397	adx	30	get_oper_name(source_p), kuser, khost);
398	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
399	adx	30	source_p->name, kuser, khost);
400			}
401			else
402			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
403			me.name, source_p->name, kuser, khost);
404			}
405			}
406
407			/* ms_unkline - propagates and handles a remote unkline message */
408			static void
409			ms_unkline(struct Client client_p, struct Client source_p,
410			int parc, char *parv[])
411			{
412			if (parc != 4)
413			return;
414
415			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
416			"UNKLINE %s %s %s",
417			parv[1], parv[2], parv[3]);
418
419			me_unkline(client_p, source_p, parc, parv);
420			}
421
422			/* static int remove_tkline_match(const char host, const char user)
423			* Input: A hostname, a username to unkline.
424			* Output: returns YES on success, NO if no tkline removed.
425			* Side effects: Any matching tklines are removed.
426			*/
427			static int
428	michael	1622	remove_kline_match(const char host, const char user)
429	adx	30	{
430	michael	1369	struct irc_ssaddr iphost, *piphost;
431	michael	1632	struct MaskItem *conf = NULL;
432	michael	1369	int t;
433	michael	1298
434	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
435	adx	30	{
436			#ifdef IPV6
437	michael	1369	if (t == HM_IPV6)
438			t = AF_INET6;
439			else
440	adx	30	#endif
441	michael	1369	t = AF_INET;
442			piphost = &iphost;
443	adx	30	}
444	michael	1369	else
445			{
446			t = 0;
447			piphost = NULL;
448			}
449	adx	30
450	michael	1632	if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, t, user, NULL, 0)))
451	michael	1369	{
452	michael	1632	if (IsConfDatabase(conf))
453	michael	1369	{
454	michael	1632	delete_one_address_conf(host, conf);
455	michael	1369	return 1;
456			}
457			}
458
459	michael	1058	return 0;
460	adx	30	}
461	michael	1230
462			static struct Message kline_msgtab = {
463			"KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
464			{m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore}
465			};
466
467			static struct Message unkline_msgtab = {
468			"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
469			{m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore}
470			};
471
472			static void
473			module_init(void)
474			{
475			mod_add_cmd(&kline_msgtab);
476			mod_add_cmd(&unkline_msgtab);
477			add_capability("KLN", CAP_KLN, 1);
478			add_capability("UNKLN", CAP_UNKLN, 1);
479			}
480
481			static void
482			module_exit(void)
483			{
484			mod_del_cmd(&kline_msgtab);
485			mod_del_cmd(&unkline_msgtab);
486			delete_capability("UNKLN");
487			delete_capability("KLN");
488			}
489
490			struct module module_entry = {
491			.node = { NULL, NULL, NULL },
492			.name = NULL,
493			.version = "$Revision$",
494			.handle = NULL,
495			.modinit = module_init,
496			.modexit = module_exit,
497			.flags = 0
498			};