trunk/modules/m_invite.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  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 "server.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 *ms = NULL;

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

    DLINK_FOREACH(ptr, source_p->localClient->invited.head)
      sendto_one_numeric(source_p, &me, RPL_INVITELIST,
                         ((struct Channel *)ptr->data)->chname);
    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 ((ms = find_channel_link(source_p, chptr)) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
    return 0;
  }

  if (!has_member_flags(ms, CHFL_CHANOP))
  {
    sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
    return 0;
  }

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

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

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

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

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

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

  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->chname);

    if (chptr->mode.mode & MODE_INVITEONLY)
    {
      sendto_channel_butone(NULL, &me, chptr, CHFL_CHANOP,
                            "NOTICE @%s :%s is inviting %s to %s.",
                            chptr->chname, source_p->name,
                            target_p->name, chptr->chname);

      /* Add the invite if channel is +i */
      add_invite(chptr, target_p);
    }
  }
  else if (target_p->from != source_p->from)
    sendto_one(target_p, ":%s INVITE %s %s %lu",
               source_p->id, target_p->id,
               chptr->chname, (unsigned long)chptr->channelts);
  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 (atoi(parv[3]) > chptr->channelts)
      return 0;

  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->chname);

    if (chptr->mode.mode & MODE_INVITEONLY)
    {
      sendto_channel_butone(NULL, &me, chptr, CHFL_CHANOP,
                            "NOTICE @%s :%s is inviting %s to %s.",
                            chptr->chname, source_p->name,
                            target_p->name, chptr->chname);

      /* Add the invite if channel is +i */
      add_invite(chptr, target_p);
    }
  }
  else if (target_p->from != source_p->from)
    sendto_one(target_p, ":%s INVITE %s %s %lu",
               source_p->id, target_p->id,
               chptr->chname, (unsigned long)chptr->channelts);
  return 0;
}


static struct Message invite_msgtab =
{
  "INVITE", NULL, 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_invite, ms_invite, m_ignore, m_invite, m_ignore }
};

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

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

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	4545
Committed:	Fri Aug 22 08:46:13 2014 UTC (11 years, 11 months ago) by michael
Content type:	text/x-csrc
File size:	7002 byte(s)
Log Message:	- Implemented pseudo {} blocks (service aliases) - Fixed compile warnings with -Wmissing-field-initializers
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 1997-2014 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			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* 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	3762	#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	michael	3347	#include "server.h"
39	adx	30	#include "parse.h"
40			#include "modules.h"
41			#include "packet.h"
42
43
44	michael	3294	/*! \brief INVITE command handler
45			*
46			* \param source_p Pointer to allocated Client struct from which the message
47			* originally comes from. This can be a local or remote client.
48			* \param parc Integer holding the number of supplied arguments.
49			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
50			* pointers.
51			* \note Valid arguments for this command are:
52	michael	3299	* - parv[0] = command
53			* - parv[1] = user to invite
54			* - parv[2] = channel name
55	michael	3294	*/
56	michael	2820	static int
57	michael	3156	m_invite(struct Client source_p, int parc, char parv[])
58	adx	30	{
59			struct Client *target_p = NULL;
60			struct Channel *chptr = NULL;
61			struct Membership *ms = NULL;
62
63	michael	3767	if (parc < 2)
64	adx	30	{
65	michael	3767	const dlink_node *ptr = NULL;
66
67			DLINK_FOREACH(ptr, source_p->localClient->invited.head)
68			sendto_one_numeric(source_p, &me, RPL_INVITELIST,
69			((struct Channel *)ptr->data)->chname);
70			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	3205	if ((ms = find_channel_link(source_p, chptr)) == NULL)
96	adx	30	{
97	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
98	michael	2820	return 0;
99	adx	30	}
100
101	michael	3205	if (!has_member_flags(ms, CHFL_CHANOP))
102	adx	30	{
103	michael	3109	sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
104	michael	2820	return 0;
105	adx	30	}
106
107			if (IsMember(target_p, chptr))
108			{
109	michael	3109	sendto_one_numeric(source_p, &me, ERR_USERONCHANNEL, target_p->name, chptr->chname);
110	michael	2820	return 0;
111	adx	30	}
112
113	michael	3866	if ((source_p->localClient->invite.last_attempt + ConfigChannel.invite_client_time) < CurrentTime)
114	michael	3860	source_p->localClient->invite.count = 0;
115
116			if (source_p->localClient->invite.count > ConfigChannel.invite_client_count)
117	michael	3762	{
118			sendto_one_numeric(source_p, &me, ERR_TOOMANYINVITE, chptr->chname, "user");
119			return 0;
120			}
121
122	michael	4081	source_p->localClient->invite.last_attempt = CurrentTime;
123			source_p->localClient->invite.count++;
124
125	michael	3205	sendto_one_numeric(source_p, &me, RPL_INVITING, target_p->name, chptr->chname);
126
127			if (target_p->away[0])
128			sendto_one_numeric(source_p, &me, RPL_AWAY, target_p->name, target_p->away);
129
130			if (MyConnect(target_p))
131	adx	30	{
132	michael	3205	sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
133			source_p->name, source_p->username,
134			source_p->host,
135			target_p->name, chptr->chname);
136	adx	30
137	michael	3205	if (chptr->mode.mode & MODE_INVITEONLY)
138			{
139			sendto_channel_butone(NULL, &me, chptr, CHFL_CHANOP,
140			"NOTICE @%s :%s is inviting %s to %s.",
141			chptr->chname, source_p->name,
142			target_p->name, chptr->chname);
143
144			/* Add the invite if channel is +i */
145			add_invite(chptr, target_p);
146			}
147	adx	30	}
148	michael	3205	else if (target_p->from != source_p->from)
149			sendto_one(target_p, ":%s INVITE %s %s %lu",
150			source_p->id, target_p->id,
151			chptr->chname, (unsigned long)chptr->channelts);
152			return 0;
153			}
154
155	michael	3294	/*! \brief INVITE command handler
156			*
157			* \param source_p Pointer to allocated Client struct from which the message
158			* originally comes from. This can be a local or remote client.
159			* \param parc Integer holding the number of supplied arguments.
160			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
161			* pointers.
162			* \note Valid arguments for this command are:
163	michael	3299	* - parv[0] = command
164			* - parv[1] = user to invite
165			* - parv[2] = channel name
166			* - parv[3] = channel timestamp
167	michael	3294	*/
168	michael	3205	static int
169			ms_invite(struct Client source_p, int parc, char parv[])
170			{
171			struct Client *target_p = NULL;
172			struct Channel *chptr = NULL;
173
174	michael	3767	if (parc < 3 \|\| EmptyString(parv[2]))
175	michael	3205	return 0;
176
177	michael	3431	if ((target_p = find_person(source_p, parv[1])) == NULL)
178	michael	3205	return 0;
179
180			if ((chptr = hash_find_channel(parv[2])) == NULL)
181			return 0;
182
183			if (IsMember(target_p, chptr))
184			return 0;
185
186			if (parc > 3 && IsDigit(*parv[3]))
187	adx	30	if (atoi(parv[3]) > chptr->channelts)
188	michael	2820	return 0;
189	adx	30
190			if (MyConnect(target_p))
191			{
192			sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
193			source_p->name, source_p->username,
194			source_p->host,
195			target_p->name, chptr->chname);
196
197			if (chptr->mode.mode & MODE_INVITEONLY)
198			{
199	michael	1721	sendto_channel_butone(NULL, &me, chptr, CHFL_CHANOP,
200			"NOTICE @%s :%s is inviting %s to %s.",
201			chptr->chname, source_p->name,
202			target_p->name, chptr->chname);
203	michael	1479
204	adx	30	/* Add the invite if channel is +i */
205			add_invite(chptr, target_p);
206			}
207			}
208	michael	3156	else if (target_p->from != source_p->from)
209	adx	30	sendto_one(target_p, ":%s INVITE %s %s %lu",
210	michael	3205	source_p->id, target_p->id,
211	adx	30	chptr->chname, (unsigned long)chptr->channelts);
212	michael	2820	return 0;
213	adx	30	}
214	michael	1230
215	michael	3205
216	michael	2820	static struct Message invite_msgtab =
217			{
218	michael	4545	"INVITE", NULL, 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
219	michael	3205	{ m_unregistered, m_invite, ms_invite, m_ignore, m_invite, m_ignore }
220	michael	1230	};
221
222			static void
223			module_init(void)
224			{
225			mod_add_cmd(&invite_msgtab);
226			}
227
228			static void
229			module_exit(void)
230			{
231			mod_del_cmd(&invite_msgtab);
232			}
233
234	michael	2820	struct module module_entry =
235			{
236	michael	1230	.node = { NULL, NULL, NULL },
237			.name = NULL,
238			.version = "$Revision$",
239			.handle = NULL,
240			.modinit = module_init,
241			.modexit = module_exit,
242			.flags = 0
243			};