8.2.x/modules/m_invite.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2016 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_invite.c
 * \brief Includes required functions for processing the INVITE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "conf.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"


/*! \brief INVITE 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] = user to invite
 *      - parv[2] = channel name
 */
static int
m_invite(struct Client *source_p, int parc, char *parv[])
{
  struct Client *target_p = NULL;
  struct Channel *chptr = NULL;
  struct Membership *member = NULL;

  if (parc < 2)
  {
    const dlink_node *node = NULL;

    DLINK_FOREACH(node, source_p->connection->invited.head)
      sendto_one_numeric(source_p, &me, RPL_INVITELIST,
                         ((struct Channel *)node->data)->name);

    sendto_one_numeric(source_p, &me, RPL_ENDOFINVITELIST);
    return 0;
  }

  if (parc < 3 || EmptyString(parv[2]))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "INVITE");
    return 0;
  }

  if (IsFloodDone(source_p))
    flood_endgrace(source_p);

  if ((target_p = find_person(source_p, parv[1])) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, parv[1]);
    return 0;
  }

  if ((chptr = hash_find_channel(parv[2])) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[2]);
    return 0;
  }

  if ((member = find_channel_link(source_p, chptr)) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
    return 0;
  }

  if (!has_member_flags(member, CHFL_CHANOP | CHFL_HALFOP))
  {
    sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->name);
    return 0;
  }

  if (IsMember(target_p, chptr))
  {
    sendto_one_numeric(source_p, &me, ERR_USERONCHANNEL, target_p->name, chptr->name);
    return 0;
  }

  if ((source_p->connection->invite.last_attempt + ConfigChannel.invite_client_time) < CurrentTime)
    source_p->connection->invite.count = 0;

  if (source_p->connection->invite.count > ConfigChannel.invite_client_count)
  {
    sendto_one_numeric(source_p, &me, ERR_TOOMANYINVITE, chptr->name, "user");
    return 0;
  }

  if ((chptr->last_invite + ConfigChannel.invite_delay_channel) > CurrentTime)
  {
    sendto_one_numeric(source_p, &me, ERR_TOOMANYINVITE, chptr->name, "channel");
    return 0;
  }

  source_p->connection->invite.last_attempt = CurrentTime;
  source_p->connection->invite.count++;

  sendto_one_numeric(source_p, &me, RPL_INVITING, target_p->name, chptr->name);

  if (target_p->away[0])
    sendto_one_numeric(source_p, &me, RPL_AWAY, target_p->name, target_p->away);

  chptr->last_invite = CurrentTime;

  if (MyConnect(target_p))
  {
    sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
               source_p->name, source_p->username,
               source_p->host,
               target_p->name, chptr->name);

    if (chptr->mode.mode & MODE_INVITEONLY)
      add_invite(chptr, target_p);  /* Add the invite if channel is +i */
  }

  if (chptr->mode.mode & MODE_INVITEONLY)
  {
    sendto_channel_local(NULL, chptr, CHFL_CHANOP | CHFL_HALFOP, 0, CAP_INVITE_NOTIFY,
                         ":%s NOTICE %%%s :%s is inviting %s to %s.",
                         me.name, chptr->name, source_p->name, target_p->name, chptr->name);
    sendto_channel_local(NULL, chptr, CHFL_CHANOP | CHFL_HALFOP, CAP_INVITE_NOTIFY, 0,
                         ":%s!%s@%s INVITE %s %s", source_p->name, source_p->username,
                         source_p->host, target_p->name, chptr->name);
  }

  sendto_server(source_p, 0, 0, ":%s INVITE %s %s %ju",
                source_p->id, target_p->id,
                chptr->name, chptr->creationtime);
  return 0;
}

/*! \brief INVITE 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] = user to invite
 *      - parv[2] = channel name
 *      - parv[3] = channel timestamp
 */
static int
ms_invite(struct Client *source_p, int parc, char *parv[])
{
  struct Client *target_p = NULL;
  struct Channel *chptr = NULL;

  if (parc < 3 || EmptyString(parv[2]))
    return 0;

  if ((target_p = find_person(source_p, parv[1])) == NULL)
    return 0;

  if ((chptr = hash_find_channel(parv[2])) == NULL)
    return 0;

  if (IsMember(target_p, chptr))
    return 0;

  if (parc > 3 && IsDigit(*parv[3]))
    if (strtoimax(parv[3], NULL, 10) > chptr->creationtime)
      return 0;

  chptr->last_invite = CurrentTime;

  if (MyConnect(target_p))
  {
    sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
               source_p->name, source_p->username,
               source_p->host,
               target_p->name, chptr->name);

    if (chptr->mode.mode & MODE_INVITEONLY)
      add_invite(chptr, target_p);  /* Add the invite if channel is +i */
  }

  if (chptr->mode.mode & MODE_INVITEONLY)
  {
    sendto_channel_local(NULL, chptr, CHFL_CHANOP | CHFL_HALFOP, 0, CAP_INVITE_NOTIFY,
                         ":%s NOTICE %%%s :%s is inviting %s to %s.",
                         me.name, chptr->name, source_p->name, target_p->name, chptr->name);
    sendto_channel_local(NULL, chptr, CHFL_CHANOP | CHFL_HALFOP, CAP_INVITE_NOTIFY, 0,
                         ":%s!%s@%s INVITE %s %s", source_p->name, source_p->username,
                         source_p->host, target_p->name, chptr->name);
  }

  sendto_server(source_p, 0, 0, ":%s INVITE %s %s %ju",
                source_p->id, target_p->id,
                chptr->name, chptr->creationtime);
  return 0;
}


static struct Message invite_msgtab =
{
  .cmd = "INVITE",
  .args_max = MAXPARA,
  .handlers[UNREGISTERED_HANDLER] = m_unregistered,
  .handlers[CLIENT_HANDLER] = m_invite,
  .handlers[SERVER_HANDLER] = ms_invite,
  .handlers[ENCAP_HANDLER] = m_ignore,
  .handlers[OPER_HANDLER] = m_invite
};

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

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

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	7007
Committed:	Fri Jan 1 00:09:08 2016 UTC (10 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	7777 byte(s)
Log Message:	- Update copyright years
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	7007	* Copyright (c) 1997-2016 ircd-hybrid development team
5	adx	30	*
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	4564	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2820	/*! \file m_invite.c
23			* \brief Includes required functions for processing the INVITE command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "channel.h"
30			#include "channel_mode.h"
31			#include "client.h"
32	michael	3763	#include "conf.h"
33	adx	30	#include "hash.h"
34			#include "irc_string.h"
35			#include "ircd.h"
36			#include "numeric.h"
37			#include "send.h"
38			#include "parse.h"
39			#include "modules.h"
40			#include "packet.h"
41
42
43	michael	3294	/*! \brief INVITE command handler
44			*
45			* \param source_p Pointer to allocated Client struct from which the message
46			* originally comes from. This can be a local or remote client.
47			* \param parc Integer holding the number of supplied arguments.
48			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
49			* pointers.
50			* \note Valid arguments for this command are:
51	michael	3299	* - parv[0] = command
52			* - parv[1] = user to invite
53			* - parv[2] = channel name
54	michael	3294	*/
55	michael	2820	static int
56	michael	3156	m_invite(struct Client source_p, int parc, char parv[])
57	adx	30	{
58			struct Client *target_p = NULL;
59			struct Channel *chptr = NULL;
60	michael	4816	struct Membership *member = NULL;
61	adx	30
62	michael	3766	if (parc < 2)
63	adx	30	{
64	michael	4816	const dlink_node *node = NULL;
65	michael	3766
66	michael	4816	DLINK_FOREACH(node, source_p->connection->invited.head)
67	michael	3766	sendto_one_numeric(source_p, &me, RPL_INVITELIST,
68	michael	4816	((struct Channel *)node->data)->name);
69	michael	4889
70	michael	3766	sendto_one_numeric(source_p, &me, RPL_ENDOFINVITELIST);
71			return 0;
72			}
73
74			if (parc < 3 \|\| EmptyString(parv[2]))
75			{
76	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "INVITE");
77	michael	2820	return 0;
78	adx	30	}
79
80	michael	3205	if (IsFloodDone(source_p))
81	adx	30	flood_endgrace(source_p);
82
83	michael	3156	if ((target_p = find_person(source_p, parv[1])) == NULL)
84	adx	30	{
85	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, parv[1]);
86	michael	2820	return 0;
87	adx	30	}
88
89			if ((chptr = hash_find_channel(parv[2])) == NULL)
90			{
91	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[2]);
92	michael	2820	return 0;
93	adx	30	}
94
95	michael	4816	if ((member = find_channel_link(source_p, chptr)) == NULL)
96	adx	30	{
97	michael	4617	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
98	michael	2820	return 0;
99	adx	30	}
100
101	michael	4816	if (!has_member_flags(member, CHFL_CHANOP \| CHFL_HALFOP))
102	adx	30	{
103	michael	4617	sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->name);
104	michael	2820	return 0;
105	adx	30	}
106
107			if (IsMember(target_p, chptr))
108			{
109	michael	4617	sendto_one_numeric(source_p, &me, ERR_USERONCHANNEL, target_p->name, chptr->name);
110	michael	2820	return 0;
111	adx	30	}
112
113	michael	4589	if ((source_p->connection->invite.last_attempt + ConfigChannel.invite_client_time) < CurrentTime)
114			source_p->connection->invite.count = 0;
115	michael	3863
116	michael	4589	if (source_p->connection->invite.count > ConfigChannel.invite_client_count)
117	michael	3763	{
118	michael	4617	sendto_one_numeric(source_p, &me, ERR_TOOMANYINVITE, chptr->name, "user");
119	michael	3763	return 0;
120			}
121
122	michael	6794	if ((chptr->last_invite + ConfigChannel.invite_delay_channel) > CurrentTime)
123			{
124			sendto_one_numeric(source_p, &me, ERR_TOOMANYINVITE, chptr->name, "channel");
125			return 0;
126			}
127
128	michael	4589	source_p->connection->invite.last_attempt = CurrentTime;
129			source_p->connection->invite.count++;
130	michael	4082
131	michael	4617	sendto_one_numeric(source_p, &me, RPL_INVITING, target_p->name, chptr->name);
132	michael	3205
133			if (target_p->away[0])
134			sendto_one_numeric(source_p, &me, RPL_AWAY, target_p->name, target_p->away);
135
136	michael	6794	chptr->last_invite = CurrentTime;
137
138	michael	3205	if (MyConnect(target_p))
139	adx	30	{
140	michael	3205	sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
141			source_p->name, source_p->username,
142			source_p->host,
143	michael	4617	target_p->name, chptr->name);
144	adx	30
145	michael	3205	if (chptr->mode.mode & MODE_INVITEONLY)
146	michael	6404	add_invite(chptr, target_p); /* Add the invite if channel is +i */
147			}
148	michael	3205
149	michael	6404	if (chptr->mode.mode & MODE_INVITEONLY)
150	michael	6768	{
151	michael	6772	sendto_channel_local(NULL, chptr, CHFL_CHANOP \| CHFL_HALFOP, 0, CAP_INVITE_NOTIFY,
152	michael	6768	":%s NOTICE %%%s :%s is inviting %s to %s.",
153			me.name, chptr->name, source_p->name, target_p->name, chptr->name);
154			sendto_channel_local(NULL, chptr, CHFL_CHANOP \| CHFL_HALFOP, CAP_INVITE_NOTIFY, 0,
155			":%s!%s@%s INVITE %s %s", source_p->name, source_p->username,
156			source_p->host, target_p->name, chptr->name);
157			}
158	michael	6404
159	michael	6781	sendto_server(source_p, 0, 0, ":%s INVITE %s %s %ju",
160	michael	6404	source_p->id, target_p->id,
161	michael	6781	chptr->name, chptr->creationtime);
162	michael	3205	return 0;
163			}
164
165	michael	3294	/*! \brief INVITE command handler
166			*
167			* \param source_p Pointer to allocated Client struct from which the message
168			* originally comes from. This can be a local or remote client.
169			* \param parc Integer holding the number of supplied arguments.
170			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
171			* pointers.
172			* \note Valid arguments for this command are:
173	michael	3299	* - parv[0] = command
174			* - parv[1] = user to invite
175			* - parv[2] = channel name
176			* - parv[3] = channel timestamp
177	michael	3294	*/
178	michael	3205	static int
179			ms_invite(struct Client source_p, int parc, char parv[])
180			{
181			struct Client *target_p = NULL;
182			struct Channel *chptr = NULL;
183
184	michael	3766	if (parc < 3 \|\| EmptyString(parv[2]))
185	michael	3205	return 0;
186
187	michael	3432	if ((target_p = find_person(source_p, parv[1])) == NULL)
188	michael	3205	return 0;
189
190			if ((chptr = hash_find_channel(parv[2])) == NULL)
191			return 0;
192
193			if (IsMember(target_p, chptr))
194			return 0;
195
196			if (parc > 3 && IsDigit(*parv[3]))
197	michael	6901	if (strtoimax(parv[3], NULL, 10) > chptr->creationtime)
198	michael	2820	return 0;
199	adx	30
200	michael	6794	chptr->last_invite = CurrentTime;
201
202	adx	30	if (MyConnect(target_p))
203			{
204			sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
205			source_p->name, source_p->username,
206			source_p->host,
207	michael	4617	target_p->name, chptr->name);
208	adx	30
209			if (chptr->mode.mode & MODE_INVITEONLY)
210	michael	6404	add_invite(chptr, target_p); /* Add the invite if channel is +i */
211			}
212	michael	1479
213	michael	6404	if (chptr->mode.mode & MODE_INVITEONLY)
214	michael	6768	{
215			sendto_channel_local(NULL, chptr, CHFL_CHANOP \| CHFL_HALFOP, 0, CAP_INVITE_NOTIFY,
216	michael	6760	":%s NOTICE %%%s :%s is inviting %s to %s.",
217	michael	6404	me.name, chptr->name, source_p->name, target_p->name, chptr->name);
218	michael	6768	sendto_channel_local(NULL, chptr, CHFL_CHANOP \| CHFL_HALFOP, CAP_INVITE_NOTIFY, 0,
219			":%s!%s@%s INVITE %s %s", source_p->name, source_p->username,
220			source_p->host, target_p->name, chptr->name);
221			}
222	michael	6404
223	michael	6781	sendto_server(source_p, 0, 0, ":%s INVITE %s %s %ju",
224	michael	6404	source_p->id, target_p->id,
225	michael	6781	chptr->name, chptr->creationtime);
226	michael	2820	return 0;
227	adx	30	}
228	michael	1230
229	michael	3205
230	michael	2820	static struct Message invite_msgtab =
231			{
232	michael	5880	.cmd = "INVITE",
233			.args_max = MAXPARA,
234			.handlers[UNREGISTERED_HANDLER] = m_unregistered,
235			.handlers[CLIENT_HANDLER] = m_invite,
236			.handlers[SERVER_HANDLER] = ms_invite,
237			.handlers[ENCAP_HANDLER] = m_ignore,
238			.handlers[OPER_HANDLER] = m_invite
239	michael	1230	};
240
241			static void
242			module_init(void)
243			{
244			mod_add_cmd(&invite_msgtab);
245			}
246
247			static void
248			module_exit(void)
249			{
250			mod_del_cmd(&invite_msgtab);
251			}
252
253	michael	2820	struct module module_entry =
254			{
255	michael	1230	.version = "$Revision$",
256			.modinit = module_init,
257			.modexit = module_exit,
258			};