8.2.x/modules/m_resv.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2001-2015 ircd-hybrid development team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file m_resv.c
 * \brief Includes required functions for processing the RESV command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "irc_string.h"
#include "numeric.h"
#include "server.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "conf.h"
#include "log.h"
#include "resv.h"


/* parse_resv()
 *
 * inputs       - source_p, NULL supported
 *              - thing to resv
 *              - time_t if tkline
 *              - reason
 * outputs      - none
 * side effects - parse resv, create if valid
 */
static void
parse_resv(struct Client *source_p, char *name, int tkline_time, char *reason)
{
  const char *type = "channel";
  struct MaskItem *conf = NULL;

  if (!IsChanPrefix(*name))
    type = "nick";

  if (!valid_wild_card_simple(name + !!IsChanPrefix(*name)))
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":Please include at least %u non-wildcard characters with the resv",
                        ConfigGeneral.min_nonwildcard_simple);

    return;
  }

  if (!HasUMode(source_p, UMODE_ADMIN) && has_wildcards(name))
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":You must be an admin to perform a wildcard RESV");

    return;
  }

  if ((conf = create_resv(name, reason, NULL)) == NULL)
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":A RESV has already been placed on %s: %s", type, name);

    return;
  }

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

  if (tkline_time)
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":A %d minute %s RESV has been placed on %s: %s",
                        tkline_time/60, (MyClient(source_p) ? "local" : "remote"), type, name);

    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
                         "%s has placed a %d minute %s RESV on %s: %s [%s]",
                         get_oper_name(source_p),
                         tkline_time/60,
                         (MyClient(source_p) ? "local" : "remote"), type,
                         conf->name, conf->reason);
    ilog(LOG_TYPE_RESV, "%s added temporary %d min. RESV for [%s] [%s]",
         get_oper_name(source_p), (int)tkline_time/60,
         conf->name, conf->reason);
    conf->until = CurrentTime + tkline_time;
  }
  else
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":A %s RESV has been placed on %s: %s",
                        (MyClient(source_p) ? "local" : "remote"), type, name);

    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
                         "%s has placed a %s RESV on %s: %s [%s]",
                         get_oper_name(source_p),
                         (MyClient(source_p) ? "local" : "remote"), type,
                         conf->name, conf->reason);
    ilog(LOG_TYPE_RESV, "%s added RESV for [%s] [%s]",
         get_oper_name(source_p), conf->name, conf->reason);
  }
}

/* mo_resv()
 *   parv[0] = command
 *   parv[1] = channel/nick to forbid
 */
static int
mo_resv(struct Client *source_p, int parc, char *parv[])
{
  char *resv = NULL;
  char *reason = NULL;
  char *target_server = NULL;
  time_t tkline_time = 0;

  if (!parse_aline("RESV", source_p, parc, parv, 0, &resv, NULL,
                   &tkline_time, &target_server, &reason))
    return 0;

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

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

  parse_resv(source_p, resv, (int)tkline_time, reason);
  return 0;
}

/* me_resv()
 *
 * inputs       - server
 *              - client (oper)
 *              - parc number of arguments
 *              - parv list of arguments
 * via parv[]
 * parv[0] = command
 * parv[1] = tkline_time
 * parv[2] = name
 * parv[3] = 0
 * parv[4] = reason
 * parc should be 5
 *
 * outputs      - NONE
 * side effects -
 */
static int
me_resv(struct Client *source_p, int parc, char *parv[])
{
  if (parc != 5 || EmptyString(parv[4]))
    return 0;

  parse_resv(source_p, parv[2], atoi(parv[1]), parv[4]);
  return 0;
}

/* ms_resv()
 *   parv[0] = command
 *   parv[1] = target server
 *   parv[2] = channel/nick to resv
 *   parv[3] = reason
 */
static int
ms_resv(struct Client *source_p, int parc, char *parv[])
{
  if (parc != 4 || EmptyString(parv[3]))
    return 0;

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

  if (match(parv[1], me.name))
    return 0;

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_RESV))
    parse_resv(source_p, parv[2], 0, parv[3]);
  return 0;
}

static struct Message resv_msgtab =
{
  .cmd = "RESV",
  .args_min = 3,
  .args_max = MAXPARA,
  .handlers[UNREGISTERED_HANDLER] = m_unregistered,
  .handlers[CLIENT_HANDLER] = m_not_oper,
  .handlers[SERVER_HANDLER] = ms_resv,
  .handlers[ENCAP_HANDLER] = me_resv,
  .handlers[OPER_HANDLER] = mo_resv
};

static void
module_init(void)
{
  mod_add_cmd(&resv_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&resv_msgtab);
}

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	6333
Committed:	Mon Aug 10 17:57:03 2015 UTC (10 years ago) by michael
Content type:	text/x-csrc
File size:	6856 byte(s)
Log Message:	- m_resv.c:parse_resv(): skip the # when dealing with channel names
#	Content
1	/*
2	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	*
4	* Copyright (c) 2001-2015 ircd-hybrid development team
5	*
6	* This program is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	* USA
20	*/
21
22	/*! \file m_resv.c
23	* \brief Includes required functions for processing the RESV command.
24	* \version $Id$
25	*/
26
27	#include "stdinc.h"
28	#include "client.h"
29	#include "ircd.h"
30	#include "irc_string.h"
31	#include "numeric.h"
32	#include "server.h"
33	#include "send.h"
34	#include "parse.h"
35	#include "modules.h"
36	#include "conf.h"
37	#include "log.h"
38	#include "resv.h"
39
40
41	/* parse_resv()
42	*
43	* inputs - source_p, NULL supported
44	* - thing to resv
45	* - time_t if tkline
46	* - reason
47	* outputs - none
48	* side effects - parse resv, create if valid
49	*/
50	static void
51	parse_resv(struct Client source_p, char name, int tkline_time, char *reason)
52	{
53	const char *type = "channel";
54	struct MaskItem *conf = NULL;
55
56	if (!IsChanPrefix(*name))
57	type = "nick";
58
59	if (!valid_wild_card_simple(name + !!IsChanPrefix(*name)))
60	{
61	if (IsClient(source_p))
62	sendto_one_notice(source_p, &me, ":Please include at least %u non-wildcard characters with the resv",
63	ConfigGeneral.min_nonwildcard_simple);
64
65	return;
66	}
67
68	if (!HasUMode(source_p, UMODE_ADMIN) && has_wildcards(name))
69	{
70	if (IsClient(source_p))
71	sendto_one_notice(source_p, &me, ":You must be an admin to perform a wildcard RESV");
72
73	return;
74	}
75
76	if ((conf = create_resv(name, reason, NULL)) == NULL)
77	{
78	if (IsClient(source_p))
79	sendto_one_notice(source_p, &me, ":A RESV has already been placed on %s: %s", type, name);
80
81	return;
82	}
83
84	conf->setat = CurrentTime;
85	SetConfDatabase(conf);
86
87	if (tkline_time)
88	{
89	if (IsClient(source_p))
90	sendto_one_notice(source_p, &me, ":A %d minute %s RESV has been placed on %s: %s",
91	tkline_time/60, (MyClient(source_p) ? "local" : "remote"), type, name);
92
93	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
94	"%s has placed a %d minute %s RESV on %s: %s [%s]",
95	get_oper_name(source_p),
96	tkline_time/60,
97	(MyClient(source_p) ? "local" : "remote"), type,
98	conf->name, conf->reason);
99	ilog(LOG_TYPE_RESV, "%s added temporary %d min. RESV for [%s] [%s]",
100	get_oper_name(source_p), (int)tkline_time/60,
101	conf->name, conf->reason);
102	conf->until = CurrentTime + tkline_time;
103	}
104	else
105	{
106	if (IsClient(source_p))
107	sendto_one_notice(source_p, &me, ":A %s RESV has been placed on %s: %s",
108	(MyClient(source_p) ? "local" : "remote"), type, name);
109
110	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
111	"%s has placed a %s RESV on %s: %s [%s]",
112	get_oper_name(source_p),
113	(MyClient(source_p) ? "local" : "remote"), type,
114	conf->name, conf->reason);
115	ilog(LOG_TYPE_RESV, "%s added RESV for [%s] [%s]",
116	get_oper_name(source_p), conf->name, conf->reason);
117	}
118	}
119
120	/* mo_resv()
121	* parv[0] = command
122	* parv[1] = channel/nick to forbid
123	*/
124	static int
125	mo_resv(struct Client source_p, int parc, char parv[])
126	{
127	char *resv = NULL;
128	char *reason = NULL;
129	char *target_server = NULL;
130	time_t tkline_time = 0;
131
132	if (!parse_aline("RESV", source_p, parc, parv, 0, &resv, NULL,
133	&tkline_time, &target_server, &reason))
134	return 0;
135
136	if (target_server)
137	{
138	/* if a given expire time is given, ENCAP it */
139	if (tkline_time)
140	sendto_match_servs(source_p, target_server, CAP_ENCAP,
141	"ENCAP %s RESV %d %s 0 :%s",
142	target_server, (int)tkline_time, resv, reason);
143	else
144	sendto_match_servs(source_p, target_server, CAP_CLUSTER,
145	"RESV %s %s :%s",
146	target_server, resv, reason);
147
148	/* Allow ON to apply local resv as well if it matches */
149	if (match(target_server, me.name))
150	return 0;
151	}
152	else
153	{
154	if (tkline_time)
155	cluster_a_line(source_p, "ENCAP", CAP_ENCAP, SHARED_RESV,
156	"RESV %d %s 0 :%s", (int)tkline_time, resv, reason);
157	else
158	cluster_a_line(source_p, "RESV", CAP_KLN, SHARED_RESV,
159	"%s :%s", resv, reason);
160	}
161
162	parse_resv(source_p, resv, (int)tkline_time, reason);
163	return 0;
164	}
165
166	/* me_resv()
167	*
168	* inputs - server
169	* - client (oper)
170	* - parc number of arguments
171	* - parv list of arguments
172	* via parv[]
173	* parv[0] = command
174	* parv[1] = tkline_time
175	* parv[2] = name
176	* parv[3] = 0
177	* parv[4] = reason
178	* parc should be 5
179	*
180	* outputs - NONE
181	* side effects -
182	*/
183	static int
184	me_resv(struct Client source_p, int parc, char parv[])
185	{
186	if (parc != 5 \|\| EmptyString(parv[4]))
187	return 0;
188
189	parse_resv(source_p, parv[2], atoi(parv[1]), parv[4]);
190	return 0;
191	}
192
193	/* ms_resv()
194	* parv[0] = command
195	* parv[1] = target server
196	* parv[2] = channel/nick to resv
197	* parv[3] = reason
198	*/
199	static int
200	ms_resv(struct Client source_p, int parc, char parv[])
201	{
202	if (parc != 4 \|\| EmptyString(parv[3]))
203	return 0;
204
205	sendto_match_servs(source_p, parv[1], CAP_CLUSTER, "RESV %s %s :%s",
206	parv[1], parv[2], parv[3]);
207
208	if (match(parv[1], me.name))
209	return 0;
210
211	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
212	find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
213	source_p->username, source_p->host,
214	SHARED_RESV))
215	parse_resv(source_p, parv[2], 0, parv[3]);
216	return 0;
217	}
218
219	static struct Message resv_msgtab =
220	{
221	.cmd = "RESV",
222	.args_min = 3,
223	.args_max = MAXPARA,
224	.handlers[UNREGISTERED_HANDLER] = m_unregistered,
225	.handlers[CLIENT_HANDLER] = m_not_oper,
226	.handlers[SERVER_HANDLER] = ms_resv,
227	.handlers[ENCAP_HANDLER] = me_resv,
228	.handlers[OPER_HANDLER] = mo_resv
229	};
230
231	static void
232	module_init(void)
233	{
234	mod_add_cmd(&resv_msgtab);
235	}
236
237	static void
238	module_exit(void)
239	{
240	mod_del_cmd(&resv_msgtab);
241	}
242
243	struct module module_entry =
244	{
245	.version = "$Revision$",
246	.modinit = module_init,
247	.modexit = module_exit,
248	};