trunk/modules/m_unresv.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_unresv.c
 * \brief Includes required functions for processing the UNRESV 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"


static void
resv_remove(struct Client *source_p, const char *name)
{
  unsigned int type_int = CONF_CRESV;
  const char *type_str = "channel";
  struct MaskItem *conf = NULL;

  if (!IsChanPrefix(*name))
  {
    type_int = CONF_NRESV;
    type_str = "nick";
  }

  if ((conf = find_exact_name_conf(type_int, NULL, name, NULL, NULL)) == NULL)
  {
    if (IsClient(source_p))
     sendto_one_notice(source_p, &me, ":A RESV does not exist for %s: %s", type_str, name);

    return;
  }

  if (!IsConfDatabase(conf))
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":The RESV for %s: %s is in ircd.conf and must be removed by hand.",
                        type_str, name);
    return;
  }

  conf_free(conf);

  if (IsClient(source_p))
    sendto_one_notice(source_p, &me, ":The RESV has been removed on %s: %s", type_str, name);

  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                       "%s has removed the RESV for %s: %s",
                       get_oper_name(source_p), type_str, name);
  ilog(LOG_TYPE_RESV, "%s removed RESV for [%s]",
       get_oper_name(source_p), name);
}

/*! \brief UNRESV command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = channel/nick
 *      - parv[2] = "ON"
 *      - parv[3] = target server
 */
static int
mo_unresv(struct Client *source_p, int parc, char *parv[])
{
  char *resv = NULL;
  char *reason = NULL;
  char *target_server = NULL;

  /* UNRESV #channel ON irc.server.com */
  /* UNRESV kiddie ON irc.server.com */
  if (!parse_aline("UNRESV", source_p, parc, parv, 0, &resv, NULL,
                   NULL, &target_server, &reason))
    return 0;

  if (target_server)
  {
    sendto_match_servs(source_p, target_server, CAP_CLUSTER, "UNRESV %s %s",
                       target_server, resv);

    /* Allow ON to apply local unresv as well if it matches */
    if (match(target_server, me.name))
      return 0;
  }
  else
    cluster_a_line(source_p, "UNRESV", CAP_KLN, SHARED_UNRESV, resv);

  resv_remove(source_p, resv);
  return 0;
}

/*! \brief UNRESV command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = target server
 *      - parv[2] = channel/nick
 */
static int
ms_unresv(struct Client *source_p, int parc, char *parv[])
{
  if (parc != 3 || EmptyString(parv[2]))
    return 0;

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

  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_UNRESV))
    resv_remove(source_p, parv[2]);

  return 0;
}

static struct Message unresv_msgtab =
{
  .cmd = "UNRESV",
  .args_min = 2,
  .args_max = MAXPARA,
  .handlers[UNREGISTERED_HANDLER] = m_unregistered,
  .handlers[CLIENT_HANDLER] = m_not_oper,
  .handlers[SERVER_HANDLER] = ms_unresv,
  .handlers[ENCAP_HANDLER] = m_ignore,
  .handlers[OPER_HANDLER] = mo_unresv
};

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

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

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	5881
Committed:	Sun May 3 16:04:15 2015 UTC (11 years, 2 months ago) by michael
Content type:	text/x-csrc
File size:	5286 byte(s)
Log Message:	- Use C99-style initializers in all struct Message items - Removed MFLG_SLOW - Removed DUMMY_HANDLER
#	User	Rev	Content
1	michael	3354	/*
2			* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3			*
4	michael	5347	* Copyright (c) 2001-2015 ircd-hybrid development team
5	michael	3354	*
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	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	michael	3354	* USA
20			*/
21
22			/*! \file m_unresv.c
23			* \brief Includes required functions for processing the UNRESV command.
24	michael	3355	* \version $Id$
25	michael	3354	*/
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			static void
42	michael	5837	resv_remove(struct Client source_p, const char name)
43	michael	3354	{
44	michael	5837	unsigned int type_int = CONF_CRESV;
45			const char *type_str = "channel";
46	michael	3354	struct MaskItem *conf = NULL;
47
48	michael	5837	if (!IsChanPrefix(*name))
49	michael	3354	{
50	michael	5837	type_int = CONF_NRESV;
51			type_str = "nick";
52			}
53	michael	4890
54	michael	5837	if ((conf = find_exact_name_conf(type_int, NULL, name, NULL, NULL)) == NULL)
55			{
56			if (IsClient(source_p))
57			sendto_one_notice(source_p, &me, ":A RESV does not exist for %s: %s", type_str, name);
58	michael	3354
59	michael	5837	return;
60			}
61	michael	4890
62	michael	5837	if (!IsConfDatabase(conf))
63			{
64	michael	4650	if (IsClient(source_p))
65	michael	5837	sendto_one_notice(source_p, &me, ":The RESV for %s: %s is in ircd.conf and must be removed by hand.",
66			type_str, name);
67			return;
68	michael	3354	}
69	michael	4890
70	michael	5837	conf_free(conf);
71	michael	3354
72	michael	5837	if (IsClient(source_p))
73			sendto_one_notice(source_p, &me, ":The RESV has been removed on %s: %s", type_str, name);
74	michael	4890
75	michael	5837	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
76			"%s has removed the RESV for %s: %s",
77			get_oper_name(source_p), type_str, name);
78			ilog(LOG_TYPE_RESV, "%s removed RESV for [%s]",
79			get_oper_name(source_p), name);
80	michael	3354	}
81
82	michael	3365	/*! \brief UNRESV command handler
83			*
84			* \param source_p Pointer to allocated Client struct from which the message
85			* originally comes from. This can be a local or remote client.
86			* \param parc Integer holding the number of supplied arguments.
87			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
88			* pointers.
89			* \note Valid arguments for this command are:
90			* - parv[0] = command
91			* - parv[1] = channel/nick
92			* - parv[2] = "ON"
93			* - parv[3] = target server
94	michael	3354	*/
95			static int
96			mo_unresv(struct Client source_p, int parc, char parv[])
97			{
98			char *resv = NULL;
99			char *reason = NULL;
100			char *target_server = NULL;
101
102			/* UNRESV #channel ON irc.server.com */
103			/* UNRESV kiddie ON irc.server.com */
104	michael	5776	if (!parse_aline("UNRESV", source_p, parc, parv, 0, &resv, NULL,
105			NULL, &target_server, &reason))
106	michael	3354	return 0;
107
108	michael	3368	if (target_server)
109	michael	3354	{
110	michael	4650	sendto_match_servs(source_p, target_server, CAP_CLUSTER, "UNRESV %s %s",
111	michael	3354	target_server, resv);
112
113			/* Allow ON to apply local unresv as well if it matches */
114			if (match(target_server, me.name))
115			return 0;
116			}
117			else
118			cluster_a_line(source_p, "UNRESV", CAP_KLN, SHARED_UNRESV, resv);
119
120	michael	5837	resv_remove(source_p, resv);
121	michael	3354	return 0;
122			}
123
124	michael	3365	/*! \brief UNRESV command handler
125			*
126			* \param source_p Pointer to allocated Client struct from which the message
127			* originally comes from. This can be a local or remote client.
128			* \param parc Integer holding the number of supplied arguments.
129			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
130			* pointers.
131			* \note Valid arguments for this command are:
132			* - parv[0] = command
133			* - parv[1] = target server
134			* - parv[2] = channel/nick
135	michael	3354	*/
136			static int
137			ms_unresv(struct Client source_p, int parc, char parv[])
138			{
139	michael	3368	if (parc != 3 \|\| EmptyString(parv[2]))
140	michael	3354	return 0;
141
142	michael	4650	sendto_match_servs(source_p, parv[1], CAP_CLUSTER, "UNRESV %s %s",
143	michael	3354	parv[1], parv[2]);
144
145	michael	4650	if (match(parv[1], me.name))
146	michael	3354	return 0;
147
148	michael	3368	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
149			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
150	michael	3354	source_p->username, source_p->host,
151			SHARED_UNRESV))
152	michael	5837	resv_remove(source_p, parv[2]);
153
154	michael	3354	return 0;
155			}
156
157			static struct Message unresv_msgtab =
158			{
159	michael	5881	.cmd = "UNRESV",
160			.args_min = 2,
161			.args_max = MAXPARA,
162			.handlers[UNREGISTERED_HANDLER] = m_unregistered,
163			.handlers[CLIENT_HANDLER] = m_not_oper,
164			.handlers[SERVER_HANDLER] = ms_unresv,
165			.handlers[ENCAP_HANDLER] = m_ignore,
166			.handlers[OPER_HANDLER] = mo_unresv
167	michael	3354	};
168
169			static void
170			module_init(void)
171			{
172			mod_add_cmd(&unresv_msgtab);
173			}
174
175			static void
176			module_exit(void)
177			{
178			mod_del_cmd(&unresv_msgtab);
179			}
180
181			struct module module_entry =
182			{
183	michael	3355	.version = "$Revision$",
184	michael	3354	.modinit = module_init,
185			.modexit = module_exit,
186			};