trunk/modules/m_xline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_xline.c: xlines an 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 "common.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 "s_conf.h"
#include "s_log.h"
#include "s_misc.h"
#include "send.h"
#include "hash.h"
#include "handlers.h"
#include "s_serv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "resv.h"

static void mo_xline(struct Client *, struct Client *, int, char *[]);
static void ms_xline(struct Client *, struct Client *, int, char *[]);
static void me_xline(struct Client *, struct Client *, int, char *[]);

static void mo_unxline(struct Client *, struct Client *, int, char *[]);
static void ms_unxline(struct Client *, struct Client *, int, char *[]);

static int valid_xline(struct Client *, char *, char *, int);
static void write_xline(struct Client *, char *, char *, time_t);
static void remove_xline(struct Client *, char *);
static int remove_txline_match(const char *);

static void relay_xline(struct Client *, char *[]);

struct Message xline_msgtab = {
  "XLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_xline, me_xline, mo_xline, m_ignore }
};

struct Message unxline_msgtab = {
  "UNXLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_unxline, m_ignore, mo_unxline, m_ignore }
};

void
_modinit(void)
{
  mod_add_cmd(&xline_msgtab);
  mod_add_cmd(&unxline_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&xline_msgtab);
  mod_del_cmd(&unxline_msgtab);
}

const char *_version = "$Revision$";


/* mo_xline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - x line is added
 *
 */
static void
mo_xline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char *reason = NULL;
  char *gecos = NULL;
  struct ConfItem *conf = NULL;
  struct MatchItem *match_item = NULL;
  char *target_server = NULL;
  time_t tkline_time = 0;

  if (!IsOperX(source_p))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "xline");
    return;
  }

  /*
   * XLINE <gecos> <time> ON <mask> :<reason>
   * XLINE <gecos> ON <mask> :<reason>
   */
  if (parse_aline("XLINE", source_p, parc, parv, AWILD, &gecos, NULL,
                  &tkline_time, &target_server, &reason) < 0)
    return;

  if (target_server != NULL)
  {
    /* if a given expire time is given, ENCAP it */
    if (tkline_time != 0)
      sendto_match_servs(source_p, target_server, CAP_ENCAP,
                         "ENCAP %s XLINE %d %s 0 :%s",
                         target_server, (int)tkline_time, gecos, reason);
    else
      sendto_match_servs(source_p, target_server, CAP_CLUSTER,
                         "XLINE %s %s %d :%s",
                         target_server, gecos, (int)tkline_time, reason);

    /* Allow ON to apply local xline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
  else 
  {
    if (tkline_time != 0)
      cluster_a_line(source_p, "ENCAP", CAP_ENCAP, SHARED_XLINE,
                     "XLINE %d %s 0 :%s", (int)tkline_time, gecos, reason);
    else
      cluster_a_line(source_p, "XLINE", CAP_KLN, SHARED_XLINE,
                     "%s 0 :%s", gecos, reason);
  }

  if (!valid_xline(source_p, gecos, reason, 0))
    return;

  if ((conf = find_matching_name_conf(XLINE_TYPE, gecos,
                                      NULL, NULL, 0)) != NULL)
  {
    match_item = map_to_conf(conf);

    sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
               me.name, source_p->name, gecos,
               conf->name, match_item->reason);
    return;
  }

  write_xline(source_p, gecos, reason, tkline_time);
}

/* ms_xline()
 *
 * inputs       - oper, target server, xline, {type}, reason
 *                deprecate {type} reserve for temp xlines later? XXX
 *
 * outputs      - none
 * side effects - propagates xline, applies it if we are a target
 */
static void
ms_xline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (parc != 5 || EmptyString(parv[4]))
    return;

  if (!IsClient(source_p))
    return;

  if (!valid_xline(source_p, parv[2], parv[4], 0))
    return;

  relay_xline(source_p, parv);
}

/* me_xline()
 *
 * inputs       - server
 *              - client (oper)
 *              - parc number of arguments
 *              - parv list of arguments
 * via parv[]
 * parv[1] = target
 * parv[2] = server
 * parv[3] = xline
 * parv[4] = time
 * parv[5] = reason
 *
 * outputs      - none
 * side effects - 
 */
static void
me_xline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (!IsClient(source_p) || parc != 5)
    return;

  relay_xline(source_p, parv);
}

static void
relay_xline(struct Client *source_p, char *parv[])
{
  struct ConfItem *conf;
  struct MatchItem *match_item;
  int t_sec;

  t_sec = atoi(parv[3]);
  /* XXX kludge! */
  if (t_sec < 3)
    t_sec = 0;

  sendto_match_servs(source_p, parv[1], CAP_CLUSTER,
                     "XLINE %s %s %s :%s",
                     parv[1], parv[2], parv[3], parv[4]);

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

  if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_XLINE))
  {
    if ((conf = find_matching_name_conf(XLINE_TYPE, parv[2],
                                        NULL, NULL, 0)) != NULL)
    {
      match_item = map_to_conf(conf);
      sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
                 ID_or_name(&me, source_p->from),
                 ID_or_name(source_p, source_p->from),
                 parv[2], conf->name, match_item->reason);
      return;
    }

    write_xline(source_p, parv[2], parv[4], t_sec);
  }
}

/* mo_unxline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - removes a xline
 */
static void
mo_unxline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  char *gecos = NULL;
  char *target_server = NULL;

  if (!IsOperX(source_p))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "unxline");
    return;
  }

  /* UNXLINE bill ON irc.server.com */
  if (parse_aline("UNXLINE", source_p, parc, parv, 0, &gecos,
                  NULL, NULL, &target_server, NULL) < 0)
    return;

  if (target_server != NULL)
  {
    sendto_match_servs(source_p, target_server, CAP_CLUSTER,
                       "UNXLINE %s %s", target_server, gecos);

    /* Allow ON to apply local unxline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
  else
    cluster_a_line(source_p, "UNXLINE", CAP_CLUSTER, SHARED_UNXLINE,
                   "%s", gecos);

  remove_xline(source_p, gecos);
}

/* ms_unxline()
 *
 * inputs       - oper, target server, gecos
 * outputs      - none
 * side effects - propagates unxline, applies it if we are a target
 */
static void
ms_unxline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  if (parc != 3)
    return;

  if (!IsClient(source_p) || EmptyString(parv[2]))
    return;

  sendto_match_servs(source_p, parv[1], CAP_CLUSTER,
                     "UNXLINE %s %s", parv[1], parv[2]);

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

  if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_UNXLINE))
    remove_xline(source_p, parv[2]);
}

/* valid_xline()
 *
 * inputs       - client to complain to, gecos, reason, whether to complain
 * outputs      - 1 for valid, else 0
 * side effects - complains to client, when warn != 0
 */
static int
valid_xline(struct Client *source_p, char *gecos, char *reason, int warn)
{
  if (EmptyString(reason))
  {
    if (warn)
      sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
                 me.name, source_p->name, "XLINE");
    return 0;
  }

  if (strchr(gecos, '"'))
  {
    sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"'",
               me.name, source_p->name);
    return 0;
  }

  if (!valid_wild_card_simple(gecos))
  {
    if (warn)
      sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the xline",
                 me.name, source_p->name, ConfigFileEntry.min_nonwildcard_simple);

    return 0;
  }

  return 1;
}

/* write_xline()
 *
 * inputs       - client taking credit for xline, gecos, reason, xline type
 * outputs      - none
 * side effects - when successful, adds an xline to the conf
 */
static void
write_xline(struct Client *source_p, char *gecos, char *reason,
            time_t tkline_time)
{
  struct ConfItem *conf;
  struct MatchItem *match_item;
  const char *current_date;
  time_t cur_time;

  conf = make_conf_item(XLINE_TYPE);
  match_item = map_to_conf(conf);

  collapse(gecos);
  DupString(conf->name, gecos);
  DupString(match_item->reason, reason);
  DupString(match_item->oper_reason, "");       /* XXX */
  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  if (tkline_time != 0)
  {
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s added temporary %d min. X-Line for [%s] [%s]",
                         get_oper_name(source_p), (int)tkline_time/60,
                         conf->name, match_item->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. X-Line [%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
               source_p->name, (int)tkline_time/60, conf->name);
    ilog(L_TRACE, "%s added temporary %d min. X-Line for [%s] [%s]",
         source_p->name, (int)tkline_time/60,
         conf->name, match_item->reason);
    match_item->hold = CurrentTime + tkline_time;
    add_temp_line(conf);
  }
  else
    write_conf_line(source_p, conf, current_date, cur_time);
  rehashed_klines = 1;
}

static void
remove_xline(struct Client *source_p, char *gecos)
{
  /* XXX use common temporary un function later */
  if (remove_txline_match(gecos))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :Un-xlined [%s] from temporary X-Lines",
               me.name, source_p->name, gecos);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the temporary X-Line for: [%s]",
                         get_oper_name(source_p), gecos);
    ilog(L_NOTICE, "%s removed temporary X-Line for [%s]",
         source_p->name, gecos);
    return;
  }

  if (remove_conf_line(XLINE_TYPE, source_p, gecos, NULL) > 0)
  {
    sendto_one(source_p, ":%s NOTICE %s :X-Line for [%s] is removed",
               me.name, source_p->name, gecos);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the X-Line for: [%s]",
                         get_oper_name(source_p), gecos);
    ilog(L_NOTICE, "%s removed X-Line for [%s]",
         get_oper_name(source_p), gecos);
  }
  else
    sendto_one(source_p, ":%s NOTICE %s :No X-Line for %s",
               me.name, source_p->name, gecos);
}

/* static int remove_tkline_match(const char *host, const char *user)
 *
 * Inputs:      gecos
 * Output:      returns YES on success, NO if no tkline removed.
 * Side effects: Any matching tklines are removed.
 */
static int
remove_txline_match(const char *gecos)
{
  dlink_node *ptr = NULL, *next_ptr = NULL;
  struct ConfItem *conf = NULL;

  DLINK_FOREACH_SAFE(ptr, next_ptr, temporary_xlines.head)
  {
    conf = ptr->data;

    if (irccmp(gecos, conf->name) == 0)
    {
      dlinkDelete(ptr, &temporary_xlines);
      free_dlink_node(ptr);
      delete_conf_item(conf);

      return 1;
    }
  }

  return 0;
}
Revision:	1155
Committed:	Tue Aug 9 20:27:45 2011 UTC (14 years ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/modules/m_xline.c*
File size:	12503 byte(s)
Log Message:	- recreate "trunk"
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_xline.c: xlines an 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 "common.h"
30			#include "irc_string.h"
31			#include "sprintf_irc.h"
32			#include "ircd.h"
33			#include "hostmask.h"
34			#include "numeric.h"
35			#include "fdlist.h"
36			#include "s_bsd.h"
37			#include "s_conf.h"
38			#include "s_log.h"
39			#include "s_misc.h"
40			#include "send.h"
41			#include "hash.h"
42			#include "handlers.h"
43			#include "s_serv.h"
44			#include "msg.h"
45			#include "parse.h"
46			#include "modules.h"
47			#include "resv.h"
48
49			static void mo_xline(struct Client , struct Client , int, char *[]);
50			static void ms_xline(struct Client , struct Client , int, char *[]);
51			static void me_xline(struct Client , struct Client , int, char *[]);
52
53			static void mo_unxline(struct Client , struct Client , int, char *[]);
54			static void ms_unxline(struct Client , struct Client , int, char *[]);
55
56			static int valid_xline(struct Client , char , char *, int);
57			static void write_xline(struct Client , char , char *, time_t);
58			static void remove_xline(struct Client , char );
59			static int remove_txline_match(const char *);
60
61			static void relay_xline(struct Client , char []);
62
63			struct Message xline_msgtab = {
64			"XLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
65			{ m_unregistered, m_not_oper, ms_xline, me_xline, mo_xline, m_ignore }
66			};
67
68			struct Message unxline_msgtab = {
69			"UNXLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
70			{ m_unregistered, m_not_oper, ms_unxline, m_ignore, mo_unxline, m_ignore }
71			};
72
73			void
74			_modinit(void)
75			{
76			mod_add_cmd(&xline_msgtab);
77			mod_add_cmd(&unxline_msgtab);
78			}
79
80			void
81			_moddeinit(void)
82			{
83			mod_del_cmd(&xline_msgtab);
84			mod_del_cmd(&unxline_msgtab);
85			}
86
87	knight	31	const char *_version = "$Revision$";
88	adx	30
89
90			/* mo_xline()
91			*
92			* inputs - pointer to server
93			* - pointer to client
94			* - parameter count
95			* - parameter list
96			* output -
97			* side effects - x line is added
98			*
99			*/
100			static void
101			mo_xline(struct Client client_p, struct Client source_p,
102			int parc, char *parv[])
103			{
104			char *reason = NULL;
105			char *gecos = NULL;
106			struct ConfItem *conf = NULL;
107			struct MatchItem *match_item = NULL;
108			char *target_server = NULL;
109			time_t tkline_time = 0;
110
111			if (!IsOperX(source_p))
112			{
113			sendto_one(source_p, form_str(ERR_NOPRIVS),
114			me.name, source_p->name, "xline");
115			return;
116			}
117
118			/*
119			* XLINE <gecos> <time> ON <mask> :<reason>
120			* XLINE <gecos> ON <mask> :<reason>
121			*/
122			if (parse_aline("XLINE", source_p, parc, parv, AWILD, &gecos, NULL,
123			&tkline_time, &target_server, &reason) < 0)
124			return;
125
126			if (target_server != NULL)
127			{
128			/* if a given expire time is given, ENCAP it */
129			if (tkline_time != 0)
130			sendto_match_servs(source_p, target_server, CAP_ENCAP,
131			"ENCAP %s XLINE %d %s 0 :%s",
132			target_server, (int)tkline_time, gecos, reason);
133			else
134			sendto_match_servs(source_p, target_server, CAP_CLUSTER,
135			"XLINE %s %s %d :%s",
136			target_server, gecos, (int)tkline_time, reason);
137
138			/* Allow ON to apply local xline as well if it matches */
139			if (!match(target_server, me.name))
140			return;
141			}
142			else
143			{
144			if (tkline_time != 0)
145			cluster_a_line(source_p, "ENCAP", CAP_ENCAP, SHARED_XLINE,
146			"XLINE %d %s 0 :%s", (int)tkline_time, gecos, reason);
147			else
148			cluster_a_line(source_p, "XLINE", CAP_KLN, SHARED_XLINE,
149			"%s 0 :%s", gecos, reason);
150			}
151
152			if (!valid_xline(source_p, gecos, reason, 0))
153			return;
154
155			if ((conf = find_matching_name_conf(XLINE_TYPE, gecos,
156			NULL, NULL, 0)) != NULL)
157			{
158			match_item = map_to_conf(conf);
159
160			sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
161			me.name, source_p->name, gecos,
162			conf->name, match_item->reason);
163			return;
164			}
165
166			write_xline(source_p, gecos, reason, tkline_time);
167			}
168
169			/* ms_xline()
170			*
171			* inputs - oper, target server, xline, {type}, reason
172			* deprecate {type} reserve for temp xlines later? XXX
173			*
174			* outputs - none
175			* side effects - propagates xline, applies it if we are a target
176			*/
177			static void
178			ms_xline(struct Client client_p, struct Client source_p,
179			int parc, char *parv[])
180			{
181			if (parc != 5 \|\| EmptyString(parv[4]))
182			return;
183
184			if (!IsClient(source_p))
185			return;
186
187			if (!valid_xline(source_p, parv[2], parv[4], 0))
188			return;
189
190			relay_xline(source_p, parv);
191			}
192
193			/* me_xline()
194			*
195			* inputs - server
196			* - client (oper)
197			* - parc number of arguments
198			* - parv list of arguments
199			* via parv[]
200			* parv[1] = target
201			* parv[2] = server
202			* parv[3] = xline
203			* parv[4] = time
204			* parv[5] = reason
205			*
206			* outputs - none
207			* side effects -
208			*/
209			static void
210			me_xline(struct Client client_p, struct Client source_p,
211			int parc, char *parv[])
212			{
213			if (!IsClient(source_p) \|\| parc != 5)
214			return;
215
216			relay_xline(source_p, parv);
217			}
218
219			static void
220			relay_xline(struct Client source_p, char parv[])
221			{
222			struct ConfItem *conf;
223			struct MatchItem *match_item;
224			int t_sec;
225
226			t_sec = atoi(parv[3]);
227			/* XXX kludge! */
228			if (t_sec < 3)
229			t_sec = 0;
230
231			sendto_match_servs(source_p, parv[1], CAP_CLUSTER,
232			"XLINE %s %s %s :%s",
233			parv[1], parv[2], parv[3], parv[4]);
234
235	michael	382	if (!match(parv[1], me.name))
236	adx	30	return;
237
238			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
239			source_p->username, source_p->host,
240			SHARED_XLINE))
241			{
242			if ((conf = find_matching_name_conf(XLINE_TYPE, parv[2],
243			NULL, NULL, 0)) != NULL)
244			{
245			match_item = map_to_conf(conf);
246			sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
247			ID_or_name(&me, source_p->from),
248			ID_or_name(source_p, source_p->from),
249			parv[2], conf->name, match_item->reason);
250			return;
251			}
252
253			write_xline(source_p, parv[2], parv[4], t_sec);
254			}
255			}
256
257			/* mo_unxline()
258			*
259			* inputs - pointer to server
260			* - pointer to client
261			* - parameter count
262			* - parameter list
263			* output -
264			* side effects - removes a xline
265			*/
266			static void
267			mo_unxline(struct Client client_p, struct Client source_p,
268			int parc, char *parv[])
269			{
270			char *gecos = NULL;
271			char *target_server = NULL;
272
273			if (!IsOperX(source_p))
274			{
275			sendto_one(source_p, form_str(ERR_NOPRIVS),
276			me.name, source_p->name, "unxline");
277			return;
278			}
279
280			/* UNXLINE bill ON irc.server.com */
281			if (parse_aline("UNXLINE", source_p, parc, parv, 0, &gecos,
282			NULL, NULL, &target_server, NULL) < 0)
283			return;
284
285			if (target_server != NULL)
286			{
287			sendto_match_servs(source_p, target_server, CAP_CLUSTER,
288			"UNXLINE %s %s", target_server, gecos);
289
290			/* Allow ON to apply local unxline as well if it matches */
291			if (!match(target_server, me.name))
292			return;
293			}
294			else
295			cluster_a_line(source_p, "UNXLINE", CAP_CLUSTER, SHARED_UNXLINE,
296			"%s", gecos);
297
298			remove_xline(source_p, gecos);
299			}
300
301			/* ms_unxline()
302			*
303			* inputs - oper, target server, gecos
304			* outputs - none
305			* side effects - propagates unxline, applies it if we are a target
306			*/
307			static void
308			ms_unxline(struct Client client_p, struct Client source_p,
309			int parc, char *parv[])
310			{
311			if (parc != 3)
312			return;
313
314			if (!IsClient(source_p) \|\| EmptyString(parv[2]))
315			return;
316
317			sendto_match_servs(source_p, parv[1], CAP_CLUSTER,
318			"UNXLINE %s %s", parv[1], parv[2]);
319
320			if (!match(parv[1], me.name))
321			return;
322
323			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
324			source_p->username, source_p->host,
325			SHARED_UNXLINE))
326			remove_xline(source_p, parv[2]);
327			}
328
329			/* valid_xline()
330			*
331			* inputs - client to complain to, gecos, reason, whether to complain
332			* outputs - 1 for valid, else 0
333			* side effects - complains to client, when warn != 0
334			*/
335			static int
336			valid_xline(struct Client source_p, char gecos, char *reason, int warn)
337			{
338			if (EmptyString(reason))
339			{
340			if (warn)
341			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
342			me.name, source_p->name, "XLINE");
343			return 0;
344			}
345
346			if (strchr(gecos, '"'))
347			{
348			sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"'",
349			me.name, source_p->name);
350			return 0;
351			}
352
353			if (!valid_wild_card_simple(gecos))
354			{
355			if (warn)
356			sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the xline",
357			me.name, source_p->name, ConfigFileEntry.min_nonwildcard_simple);
358
359			return 0;
360			}
361
362			return 1;
363			}
364
365			/* write_xline()
366			*
367			* inputs - client taking credit for xline, gecos, reason, xline type
368			* outputs - none
369			* side effects - when successful, adds an xline to the conf
370			*/
371			static void
372			write_xline(struct Client source_p, char gecos, char *reason,
373			time_t tkline_time)
374			{
375			struct ConfItem *conf;
376			struct MatchItem *match_item;
377			const char *current_date;
378			time_t cur_time;
379
380			conf = make_conf_item(XLINE_TYPE);
381			match_item = map_to_conf(conf);
382
383			collapse(gecos);
384			DupString(conf->name, gecos);
385			DupString(match_item->reason, reason);
386			DupString(match_item->oper_reason, ""); /* XXX */
387			cur_time = CurrentTime;
388			current_date = smalldate(cur_time);
389
390			if (tkline_time != 0)
391			{
392			sendto_realops_flags(UMODE_ALL, L_ALL,
393			"%s added temporary %d min. X-Line for [%s] [%s]",
394			get_oper_name(source_p), (int)tkline_time/60,
395			conf->name, match_item->reason);
396			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. X-Line [%s]",
397			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
398			source_p->name, (int)tkline_time/60, conf->name);
399			ilog(L_TRACE, "%s added temporary %d min. X-Line for [%s] [%s]",
400			source_p->name, (int)tkline_time/60,
401			conf->name, match_item->reason);
402			match_item->hold = CurrentTime + tkline_time;
403			add_temp_line(conf);
404			}
405			else
406			write_conf_line(source_p, conf, current_date, cur_time);
407			rehashed_klines = 1;
408			}
409
410			static void
411			remove_xline(struct Client source_p, char gecos)
412			{
413			/* XXX use common temporary un function later */
414			if (remove_txline_match(gecos))
415			{
416			sendto_one(source_p,
417			":%s NOTICE %s :Un-xlined [%s] from temporary X-Lines",
418			me.name, source_p->name, gecos);
419			sendto_realops_flags(UMODE_ALL, L_ALL,
420			"%s has removed the temporary X-Line for: [%s]",
421			get_oper_name(source_p), gecos);
422			ilog(L_NOTICE, "%s removed temporary X-Line for [%s]",
423			source_p->name, gecos);
424			return;
425			}
426
427			if (remove_conf_line(XLINE_TYPE, source_p, gecos, NULL) > 0)
428			{
429			sendto_one(source_p, ":%s NOTICE %s :X-Line for [%s] is removed",
430			me.name, source_p->name, gecos);
431			sendto_realops_flags(UMODE_ALL, L_ALL,
432			"%s has removed the X-Line for: [%s]",
433			get_oper_name(source_p), gecos);
434			ilog(L_NOTICE, "%s removed X-Line for [%s]",
435			get_oper_name(source_p), gecos);
436			}
437			else
438			sendto_one(source_p, ":%s NOTICE %s :No X-Line for %s",
439			me.name, source_p->name, gecos);
440			}
441
442			/* static int remove_tkline_match(const char host, const char user)
443			*
444			* Inputs: gecos
445			* Output: returns YES on success, NO if no tkline removed.
446			* Side effects: Any matching tklines are removed.
447			*/
448			static int
449			remove_txline_match(const char *gecos)
450			{
451			dlink_node ptr = NULL, next_ptr = NULL;
452			struct ConfItem *conf = NULL;
453
454			DLINK_FOREACH_SAFE(ptr, next_ptr, temporary_xlines.head)
455			{
456			conf = ptr->data;
457
458			if (irccmp(gecos, conf->name) == 0)
459			{
460			dlinkDelete(ptr, &temporary_xlines);
461			free_dlink_node(ptr);
462			delete_conf_item(conf);
463
464			return 1;
465			}
466			}
467
468			return 0;
469			}