ircd-hybrid-8/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 "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"


static int already_placed_kline(struct Client *, const char *, const char *, int);
static void apply_kline(struct Client *, struct ConfItem *, const char *, time_t);
static void apply_tkline(struct Client *, struct ConfItem *, int);

static char buffer[IRCD_BUFSIZE];
static int remove_tkline_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 *oper_reason;
  char *user = NULL;
  char *host = NULL;
  const char *current_date;
  char *target_server = NULL;
  struct ConfItem *conf;
  struct AccessItem *aconf;
  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, 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, 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, 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;

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

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);
  conf = make_conf_item(KLINE_TYPE);
  aconf = map_to_conf(conf);

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

  if (tkline_time != 0)
  {
    snprintf(buffer, sizeof(buffer), "Temporary K-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_tkline(source_p, conf, 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);
    apply_kline(source_p, conf, current_date, cur_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 ConfItem *conf=NULL;
  struct AccessItem *aconf=NULL;
  int tkline_time;
  const char* current_date;
  time_t cur_time;
  char *kuser, *khost, *kreason, *oper_reason;

  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];

  if ((oper_reason = strchr(kreason, '|')) != NULL)
    *oper_reason++ = '\0';

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(ULINE_TYPE, 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 = make_conf_item(KLINE_TYPE);
    aconf = map_to_conf(conf);
    DupString(aconf->host, khost);
    DupString(aconf->user, kuser);

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

      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      apply_tkline(source_p, conf, tkline_time);
    }
    else
    {
      snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
      DupString(aconf->reason, buffer);

      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      apply_kline(source_p, conf, current_date, cur_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_kline()
 *
 * inputs       -
 * output       - NONE
 * side effects - kline as given, is added to the hashtable
 *                and conf file
 */
static void 
apply_kline(struct Client *source_p, struct ConfItem *conf,
            const char *current_date, time_t cur_time)
{
  struct AccessItem *aconf = map_to_conf(conf);

  add_conf_by_address(CONF_KILL, aconf);
  write_conf_line(source_p, conf, current_date, cur_time);
  /* Now, activate kline against current online clients */
  rehashed_klines = 1;
}

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

  aconf = (struct AccessItem *)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. K-Line for [%s@%s] [%s]",
                       get_oper_name(source_p), tkline_time/60,
                       aconf->user, aconf->host,
                       aconf->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, aconf->user, aconf->host);
  ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
       source_p->name, tkline_time/60,
       aconf->user, aconf->host, aconf->reason);

  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 AccessItem *aconf;
  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 ((aconf = find_conf_by_address(lhost, piphost, CONF_KILL, t, luser, NULL)))
  {
    if (warn)
    {
      reason = aconf->reason ? aconf->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, aconf->user,
                 aconf->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 (parc < 2 || 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_tkline_match(host, user))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :Un-klined [%s@%s] from temporary K-Lines",
               me.name, source_p->name, user, host);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the temporary K-Line for: [%s@%s]",
                         get_oper_name(source_p), user, host);
    ilog(LOG_TYPE_KLINE, "%s removed temporary K-Line for [%s@%s]",
         source_p->name, user, host);
    return;
  }

  if (remove_conf_line(KLINE_TYPE, source_p, user, host) > 0)
  {
    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,
                         "%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(ULINE_TYPE,
                                   source_p->servptr->name,
                                   source_p->username, source_p->host,
                                   SHARED_UNKLINE))
  {
    if (remove_tkline_match(khost, kuser))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :Un-klined [%s@%s] from temporary K-Lines",
                 me.name, source_p->name, kuser, khost);
      sendto_realops_flags(UMODE_ALL, L_ALL,  
                           "%s has removed the temporary K-Line for: [%s@%s]",
                           get_oper_name(source_p), kuser, khost);
      ilog(LOG_TYPE_KLINE, "%s removed temporary K-Line for [%s@%s]",
           source_p->name, kuser, khost);
      return;
    }

    if (remove_conf_line(KLINE_TYPE, source_p, kuser, khost) > 0)
    {
      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,
                           "%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_tkline_match(const char *host, const char *user)
{
  struct AccessItem *tk_c;
  dlink_node *tk_n;
  struct irc_ssaddr addr, caddr;
  int nm_t, cnm_t, bits, cbits;

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

  DLINK_FOREACH(tk_n, temporary_klines.head)
  {
    tk_c  = map_to_conf(tk_n->data);
    cnm_t = parse_netmask(tk_c->host, &caddr, &cbits);

    if (cnm_t != nm_t || irccmp(user, tk_c->user))
      continue;

    if ((nm_t == HM_HOST && !irccmp(tk_c->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(tk_n, &temporary_klines);
        delete_one_address_conf(tk_c->host, tk_c);
        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:	1309
Committed:	Sun Mar 25 11:24:18 2012 UTC (14 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	15928 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	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			#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	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
46	michael	611
47	michael	1058	static int already_placed_kline(struct Client , const char , const char *, int);
48			static void apply_kline(struct Client , struct ConfItem , const char *, time_t);
49			static void apply_tkline(struct Client , struct ConfItem , int);
50
51			static char buffer[IRCD_BUFSIZE];
52	adx	30	static int remove_tkline_match(const char , const char );
53
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 *oper_reason;
70			char *user = NULL;
71			char *host = NULL;
72			const char *current_date;
73			char *target_server = NULL;
74			struct ConfItem *conf;
75			struct AccessItem *aconf;
76			time_t tkline_time = 0;
77			time_t cur_time;
78
79	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_K))
80	adx	30	{
81			sendto_one(source_p, form_str(ERR_NOPRIVS),
82			me.name, source_p->name, "kline");
83			return;
84			}
85
86			if (parse_aline("KLINE", source_p, parc, parv,
87			AWILD, &user, &host, &tkline_time, &target_server, &reason) < 0)
88			return;
89
90			if (target_server != NULL)
91			{
92			if (HasID(source_p))
93			{
94	michael	885	sendto_server(NULL, NULL, CAP_KLN\|CAP_TS6, NOCAPS,
95	adx	30	":%s KLINE %s %lu %s %s :%s",
96			source_p->id, target_server, (unsigned long)tkline_time,
97			user, host, reason);
98	michael	885	sendto_server(NULL, NULL, CAP_KLN, CAP_TS6,
99	adx	30	":%s KLINE %s %lu %s %s :%s",
100			source_p->name, target_server, (unsigned long)tkline_time,
101			user, host, reason);
102			}
103			else
104	michael	885	sendto_server(NULL, NULL, CAP_KLN, NOCAPS,
105	adx	30	":%s KLINE %s %lu %s %s :%s",
106			source_p->name, target_server, (unsigned long)tkline_time,
107			user, host, reason);
108
109			/* Allow ON to apply local kline as well if it matches */
110			if (!match(target_server, me.name))
111			return;
112			}
113			else
114			cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
115	michael	1058	"%d %s %s :%s", tkline_time, user, host, reason);
116	adx	30
117	michael	1243	if (already_placed_kline(source_p, user, host, 1))
118	adx	30	return;
119
120			/* Look for an oper reason */
121			if ((oper_reason = strchr(reason, '\|')) != NULL)
122			*oper_reason++ = '\0';
123
124			cur_time = CurrentTime;
125			current_date = smalldate(cur_time);
126			conf = make_conf_item(KLINE_TYPE);
127			aconf = map_to_conf(conf);
128
129			DupString(aconf->host, host);
130			DupString(aconf->user, user);
131
132			if (tkline_time != 0)
133			{
134	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
135			(int)(tkline_time/60), reason, current_date);
136	adx	30	DupString(aconf->reason, buffer);
137
138			if (oper_reason != NULL)
139			DupString(aconf->oper_reason, oper_reason);
140			apply_tkline(source_p, conf, tkline_time);
141			}
142			else
143			{
144	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
145	adx	30	DupString(aconf->reason, buffer);
146
147			if (oper_reason != NULL)
148			DupString(aconf->oper_reason, oper_reason);
149			apply_kline(source_p, conf, current_date, cur_time);
150			}
151			}
152
153			/* me_kline - handle remote kline. no propagation */
154			static void
155			me_kline(struct Client client_p, struct Client source_p,
156			int parc, char *parv[])
157			{
158			struct ConfItem *conf=NULL;
159			struct AccessItem *aconf=NULL;
160			int tkline_time;
161			const char* current_date;
162			time_t cur_time;
163			char kuser, khost, kreason, oper_reason;
164
165	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
166	adx	30	return;
167
168			if (!match(parv[1], me.name))
169			return;
170
171			tkline_time = valid_tkline(parv[2], TK_SECONDS);
172			kuser = parv[3];
173			khost = parv[4];
174			kreason = parv[5];
175
176			if ((oper_reason = strchr(kreason, '\|')) != NULL)
177			*oper_reason++ = '\0';
178
179			cur_time = CurrentTime;
180			current_date = smalldate(cur_time);
181
182	michael	1275	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
183	adx	30	source_p->username, source_p->host,
184			SHARED_KLINE))
185			{
186			if (!IsClient(source_p) \|\|
187	michael	1243	already_placed_kline(source_p, kuser, khost, 1))
188	adx	30	return;
189
190			conf = make_conf_item(KLINE_TYPE);
191			aconf = map_to_conf(conf);
192			DupString(aconf->host, khost);
193			DupString(aconf->user, kuser);
194
195			if (tkline_time != 0)
196			{
197	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
198			(int)(tkline_time/60), kreason, current_date);
199	adx	30	DupString(aconf->reason, buffer);
200
201			if (oper_reason != NULL)
202			DupString(aconf->oper_reason, oper_reason);
203			apply_tkline(source_p, conf, tkline_time);
204			}
205			else
206			{
207	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
208	adx	30	DupString(aconf->reason, buffer);
209
210			if (oper_reason != NULL)
211			DupString(aconf->oper_reason, oper_reason);
212			apply_kline(source_p, conf, current_date, cur_time);
213			}
214			}
215			}
216
217			static void
218			ms_kline(struct Client client_p, struct Client source_p,
219	michael	1058	int parc, char *parv[])
220	adx	30	{
221	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
222	adx	30	return;
223
224			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
225			/* oper target_server tkline_time user host reason */
226			sendto_match_servs(source_p, parv[1], CAP_KLN,
227			"KLINE %s %s %s %s :%s",
228			parv[1], parv[2], parv[3], parv[4], parv[5]);
229
230			me_kline(client_p, source_p, parc, parv);
231			}
232
233			/* apply_kline()
234			*
235			* inputs -
236			* output - NONE
237			* side effects - kline as given, is added to the hashtable
238			* and conf file
239			*/
240			static void
241			apply_kline(struct Client source_p, struct ConfItem conf,
242	michael	1058	const char *current_date, time_t cur_time)
243	adx	30	{
244			struct AccessItem *aconf = map_to_conf(conf);
245
246			add_conf_by_address(CONF_KILL, aconf);
247			write_conf_line(source_p, conf, current_date, cur_time);
248			/* Now, activate kline against current online clients */
249			rehashed_klines = 1;
250			}
251
252			/* apply_tkline()
253			*
254			* inputs -
255			* output - NONE
256			* side effects - tkline as given is placed
257			*/
258			static void
259			apply_tkline(struct Client source_p, struct ConfItem conf,
260			int tkline_time)
261			{
262			struct AccessItem *aconf;
263
264			aconf = (struct AccessItem *)map_to_conf(conf);
265			aconf->hold = CurrentTime + tkline_time;
266			add_temp_line(conf);
267			sendto_realops_flags(UMODE_ALL, L_ALL,
268			"%s added temporary %d min. K-Line for [%s@%s] [%s]",
269			get_oper_name(source_p), tkline_time/60,
270			aconf->user, aconf->host,
271			aconf->reason);
272			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
273			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
274			source_p->name, tkline_time/60, aconf->user, aconf->host);
275	michael	1247	ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
276	adx	30	source_p->name, tkline_time/60,
277			aconf->user, aconf->host, aconf->reason);
278	michael	1247
279	adx	30	rehashed_klines = 1;
280			}
281
282			/* already_placed_kline()
283			* inputs - user to complain to, username & host to check for
284			* outputs - returns 1 on existing K-line, 0 if doesn't exist
285			* side effects - notifies source_p if the K-line already exists
286			*/
287			/*
288			* Note: This currently works if the new K-line is a special case of an
289			* existing K-line, but not the other way round. To do that we would
290			* have to walk the hash and check every existing K-line. -A1kmm.
291			*/
292			static int
293			already_placed_kline(struct Client source_p, const char luser, const char *lhost, int warn)
294			{
295			const char *reason;
296			struct irc_ssaddr iphost, *piphost;
297			struct AccessItem *aconf;
298			int t;
299
300			if ((t = parse_netmask(lhost, &iphost, &t)) != HM_HOST)
301			{
302			#ifdef IPV6
303			if (t == HM_IPV6)
304			t = AF_INET6;
305			else
306			#endif
307			t = AF_INET;
308			piphost = &iphost;
309			}
310			else
311			{
312			t = 0;
313			piphost = NULL;
314			}
315
316			if ((aconf = find_conf_by_address(lhost, piphost, CONF_KILL, t, luser, NULL)))
317			{
318			if (warn)
319			{
320			reason = aconf->reason ? aconf->reason : "No reason";
321			sendto_one(source_p,
322			":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
323			me.name, source_p->name, luser, lhost, aconf->user,
324			aconf->host, reason);
325			}
326	michael	1298
327			return 1;
328	adx	30	}
329
330	michael	1298	return 0;
331	adx	30	}
332
333			/*
334			** mo_unkline
335			** Added Aug 31, 1997
336			** common (Keith Fralick) fralick@gate.net
337			**
338			** parv[0] = sender
339			** parv[1] = address to remove
340			*
341			*
342			*/
343			static void
344			mo_unkline(struct Client client_p,struct Client source_p,
345			int parc, char *parv[])
346			{
347			char *target_server = NULL;
348			char user, host;
349
350	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
351	adx	30	{
352			sendto_one(source_p, form_str(ERR_NOPRIVS),
353			me.name, source_p->name, "unkline");
354			return;
355			}
356
357			if (parc < 2 \|\| EmptyString(parv[1]))
358			{
359			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
360			me.name, source_p->name, "UNKLINE");
361			return;
362			}
363
364			if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
365			&host, NULL, &target_server, NULL) < 0)
366			return;
367
368			if (target_server != NULL)
369			{
370			sendto_match_servs(source_p, target_server, CAP_UNKLN,
371			"UNKLINE %s %s %s",
372			target_server, user, host);
373
374			/* Allow ON to apply local unkline as well if it matches */
375			if (!match(target_server, me.name))
376			return;
377			}
378			else
379			cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
380	michael	1058	"%s %s", user, host);
381	adx	30
382			if (remove_tkline_match(host, user))
383			{
384			sendto_one(source_p,
385			":%s NOTICE %s :Un-klined [%s@%s] from temporary K-Lines",
386			me.name, source_p->name, user, host);
387			sendto_realops_flags(UMODE_ALL, L_ALL,
388			"%s has removed the temporary K-Line for: [%s@%s]",
389			get_oper_name(source_p), user, host);
390	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed temporary K-Line for [%s@%s]",
391	adx	30	source_p->name, user, host);
392			return;
393			}
394
395			if (remove_conf_line(KLINE_TYPE, source_p, user, host) > 0)
396			{
397			sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
398	michael	1058	me.name, source_p->name, user,host);
399	adx	30	sendto_realops_flags(UMODE_ALL, L_ALL,
400	michael	1058	"%s has removed the K-Line for: [%s@%s]",
401			get_oper_name(source_p), user, host);
402	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
403	michael	1058	source_p->name, user, host);
404	adx	30	}
405			else
406			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
407			me.name, source_p->name, user, host);
408			}
409
410			/* me_unkline()
411			*
412			* inputs - server
413			* - client
414			* - parc
415			* - parv
416			* outputs - none
417			* side effects - if server is authorized, kline is removed
418			* does not propagate message
419			*/
420			static void
421			me_unkline(struct Client client_p, struct Client source_p,
422			int parc, char *parv[])
423			{
424			const char kuser, khost;
425
426			if (parc != 4)
427			return;
428
429			kuser = parv[2];
430			khost = parv[3];
431
432			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
433			return;
434
435	michael	1276	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE,
436	adx	30	source_p->servptr->name,
437			source_p->username, source_p->host,
438			SHARED_UNKLINE))
439			{
440			if (remove_tkline_match(khost, kuser))
441			{
442			sendto_one(source_p,
443			":%s NOTICE %s :Un-klined [%s@%s] from temporary K-Lines",
444			me.name, source_p->name, kuser, khost);
445			sendto_realops_flags(UMODE_ALL, L_ALL,
446			"%s has removed the temporary K-Line for: [%s@%s]",
447			get_oper_name(source_p), kuser, khost);
448	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed temporary K-Line for [%s@%s]",
449	adx	30	source_p->name, kuser, khost);
450			return;
451			}
452
453			if (remove_conf_line(KLINE_TYPE, source_p, kuser, khost) > 0)
454			{
455			sendto_one(source_p, ":%s NOTICE %s :K-Line for [%s@%s] is removed",
456			me.name, source_p->name, kuser, khost);
457			sendto_realops_flags(UMODE_ALL, L_ALL,
458			"%s has removed the K-Line for: [%s@%s]",
459			get_oper_name(source_p), kuser, khost);
460
461	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
462	adx	30	source_p->name, kuser, khost);
463			}
464			else
465			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
466			me.name, source_p->name, kuser, khost);
467			}
468			}
469
470			/* ms_unkline - propagates and handles a remote unkline message */
471			static void
472			ms_unkline(struct Client client_p, struct Client source_p,
473			int parc, char *parv[])
474			{
475			if (parc != 4)
476			return;
477
478			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
479			"UNKLINE %s %s %s",
480			parv[1], parv[2], parv[3]);
481
482			me_unkline(client_p, source_p, parc, parv);
483			}
484
485			/* static int remove_tkline_match(const char host, const char user)
486			* Input: A hostname, a username to unkline.
487			* Output: returns YES on success, NO if no tkline removed.
488			* Side effects: Any matching tklines are removed.
489			*/
490			static int
491			remove_tkline_match(const char host, const char user)
492			{
493			struct AccessItem *tk_c;
494			dlink_node *tk_n;
495			struct irc_ssaddr addr, caddr;
496			int nm_t, cnm_t, bits, cbits;
497	michael	1298
498	adx	30	nm_t = parse_netmask(host, &addr, &bits);
499
500			DLINK_FOREACH(tk_n, temporary_klines.head)
501			{
502	michael	1298	tk_c = map_to_conf(tk_n->data);
503	adx	30	cnm_t = parse_netmask(tk_c->host, &caddr, &cbits);
504	michael	1298
505	adx	30	if (cnm_t != nm_t \|\| irccmp(user, tk_c->user))
506			continue;
507	michael	1298
508			if ((nm_t == HM_HOST && !irccmp(tk_c->host, host)) \|\|
509			(nm_t == HM_IPV4 && bits == cbits && match_ipv4(&addr, &caddr, bits))
510	adx	30	#ifdef IPV6
511	michael	1298	\|\| (nm_t == HM_IPV6 && bits == cbits && match_ipv6(&addr, &caddr, bits))
512	adx	30	#endif
513	michael	1058	)
514	adx	30	{
515	michael	1058	dlinkDelete(tk_n, &temporary_klines);
516			delete_one_address_conf(tk_c->host, tk_c);
517			return 1;
518	adx	30	}
519			}
520
521	michael	1058	return 0;
522	adx	30	}
523	michael	1230
524			static struct Message kline_msgtab = {
525			"KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
526			{m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore}
527			};
528
529			static struct Message unkline_msgtab = {
530			"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
531			{m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore}
532			};
533
534			static void
535			module_init(void)
536			{
537			mod_add_cmd(&kline_msgtab);
538			mod_add_cmd(&unkline_msgtab);
539			add_capability("KLN", CAP_KLN, 1);
540			add_capability("UNKLN", CAP_UNKLN, 1);
541			}
542
543			static void
544			module_exit(void)
545			{
546			mod_del_cmd(&kline_msgtab);
547			mod_del_cmd(&unkline_msgtab);
548			delete_capability("UNKLN");
549			delete_capability("KLN");
550			}
551
552			struct module module_entry = {
553			.node = { NULL, NULL, NULL },
554			.name = NULL,
555			.version = "$Revision$",
556			.handle = NULL,
557			.modinit = module_init,
558			.modexit = module_exit,
559			.flags = 0
560			};