ircd-hybrid-8/modules/m_invite.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_invite.c: Invites the user to join a channel.
 *
 *  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 "tools.h"
#include "handlers.h"
#include "common.h"
#include "channel.h"
#include "channel_mode.h"
#include "list.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_conf.h"
#include "s_serv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"

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

struct Message invite_msgtab = {
  "INVITE", 0, 0, 3, 0, MFLG_SLOW, 0,
  { m_unregistered, m_invite, m_invite, m_ignore, m_invite, m_ignore }
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&invite_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&invite_msgtab);
}

const char *_version = "$Revision$";
#endif

/*
** m_invite
**      parv[0] - sender prefix
**      parv[1] - user to invite
**      parv[2] - channel name
**      parv[3] - invite timestamp
*/
static void
m_invite(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Client *target_p = NULL;
  struct Channel *chptr = NULL;
  struct Membership *ms = NULL;

  if (IsServer(source_p))
    return;

  if (*parv[2] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "INVITE");
    return;
  }

  if (MyClient(source_p) && !IsFloodDone(source_p))
    flood_endgrace(source_p);

  if ((target_p = find_person(client_p, parv[1])) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHNICK),
               me.name, source_p->name, parv[1]);
    return;
  }

  /* Do not send local channel invites to users if they are not on the
   * same server as the person sending the INVITE message. 
   */
  /* Possibly should be an error sent to source_p */
  /* done .. there should be no problem because MyConnect(source_p) should
   * always be true if parse() and such is working correctly --is
   */
  if (!MyConnect(target_p) && (*parv[2] == '&'))
  {
    if (ConfigServerHide.hide_servers == 0)
      sendto_one(source_p, form_str(ERR_USERNOTONSERV),
                 me.name, source_p->name, target_p->name);
    return;
  }

  if ((chptr = hash_find_channel(parv[2])) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               me.name, source_p->name, parv[2]);
    return;
  }

  if ((ms = find_channel_link(source_p, chptr)) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
               me.name, source_p->name, chptr->chname);
    return;
  }

  if (ConfigChannel.invite_ops_only || (chptr->mode.mode & MODE_INVITEONLY))
  {
    if (MyConnect(source_p) && !has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
    {
      sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
                 me.name, source_p->name, chptr->chname);
      return;
    }
  }

  if (IsMember(target_p, chptr))
  {
    sendto_one(source_p, form_str(ERR_USERONCHANNEL),
               me.name, source_p->name, target_p->name, chptr->chname);
    return;
  }

  if (MyConnect(source_p))
  {
    sendto_one(source_p, form_str(RPL_INVITING), me.name,
               source_p->name, target_p->name, chptr->chname);

    if (target_p->away)
      sendto_one(source_p, form_str(RPL_AWAY),
                 me.name, source_p->name, target_p->name,
                 target_p->away);
  }
  else if (parc > 3 && IsDigit(*parv[3]))
    if (atoi(parv[3]) > chptr->channelts)
      return;

  if (!MyConnect(target_p) && ServerInfo.hub &&
      IsCapable(target_p->from, CAP_LL))
  {
    /* target_p is connected to a LL leaf, connected to us */
    if (IsClient(source_p))
      client_burst_if_needed(target_p->from, source_p);

    if ((chptr->lazyLinkChannelExists &
         target_p->from->localClient->serverMask) == 0)
      burst_channel(target_p->from, chptr);
  }

  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)
    {
      if (chptr->mode.mode & MODE_PRIVATE)
      {
        /* Only do this if channel is set +i AND +p */
        sendto_channel_local(CHFL_CHANOP|CHFL_HALFOP, NO, chptr,
                             ":%s NOTICE %s :%s is inviting %s to %s.",
                             me.name, chptr->chname, source_p->name,
                             target_p->name, chptr->chname);
        sendto_channel_remote(source_p, client_p, CHFL_CHANOP|CHFL_HALFOP,
                              NOCAPS, NOCAPS, chptr,
                              ":%s NOTICE %s :%s is inviting %s to %s.",
                              source_p->name, 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 != client_p)
    sendto_one(target_p, ":%s INVITE %s %s %lu",
               ID_or_name(source_p, target_p->from),
               ID_or_name(target_p, target_p->from),
               chptr->chname, (unsigned long)chptr->channelts);
}
Revision:	34
Committed:	Sun Oct 2 21:05:51 2005 UTC (19 years, 10 months ago) by lusky
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/modules/m_invite.c*
File size:	6087 byte(s)
Log Message:	create 7.2 branch, we can move/rename it as needed.
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_invite.c: Invites the user to join a channel.
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			#include "tools.h"
27			#include "handlers.h"
28			#include "common.h"
29			#include "channel.h"
30			#include "channel_mode.h"
31			#include "list.h"
32			#include "client.h"
33			#include "hash.h"
34			#include "irc_string.h"
35			#include "ircd.h"
36			#include "numeric.h"
37			#include "send.h"
38			#include "s_conf.h"
39			#include "s_serv.h"
40			#include "msg.h"
41			#include "parse.h"
42			#include "modules.h"
43			#include "packet.h"
44
45			static void m_invite(struct Client , struct Client , int, char *[]);
46
47			struct Message invite_msgtab = {
48			"INVITE", 0, 0, 3, 0, MFLG_SLOW, 0,
49			{ m_unregistered, m_invite, m_invite, m_ignore, m_invite, m_ignore }
50			};
51
52			#ifndef STATIC_MODULES
53			void
54			_modinit(void)
55			{
56			mod_add_cmd(&invite_msgtab);
57			}
58
59			void
60			_moddeinit(void)
61			{
62			mod_del_cmd(&invite_msgtab);
63			}
64
65	knight	31	const char *_version = "$Revision$";
66	adx	30	#endif
67
68			/*
69			** m_invite
70			** parv[0] - sender prefix
71			** parv[1] - user to invite
72			** parv[2] - channel name
73			** parv[3] - invite timestamp
74			*/
75			static void
76			m_invite(struct Client client_p, struct Client source_p,
77			int parc, char *parv[])
78			{
79			struct Client *target_p = NULL;
80			struct Channel *chptr = NULL;
81			struct Membership *ms = NULL;
82
83			if (IsServer(source_p))
84			return;
85
86			if (*parv[2] == '\0')
87			{
88			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
89			me.name, source_p->name, "INVITE");
90			return;
91			}
92
93			if (MyClient(source_p) && !IsFloodDone(source_p))
94			flood_endgrace(source_p);
95
96			if ((target_p = find_person(client_p, parv[1])) == NULL)
97			{
98			sendto_one(source_p, form_str(ERR_NOSUCHNICK),
99			me.name, source_p->name, parv[1]);
100			return;
101			}
102
103			/* Do not send local channel invites to users if they are not on the
104			* same server as the person sending the INVITE message.
105			*/
106			/* Possibly should be an error sent to source_p */
107			/* done .. there should be no problem because MyConnect(source_p) should
108			* always be true if parse() and such is working correctly --is
109			*/
110			if (!MyConnect(target_p) && (*parv[2] == '&'))
111			{
112			if (ConfigServerHide.hide_servers == 0)
113			sendto_one(source_p, form_str(ERR_USERNOTONSERV),
114			me.name, source_p->name, target_p->name);
115			return;
116			}
117
118			if ((chptr = hash_find_channel(parv[2])) == NULL)
119			{
120			sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
121			me.name, source_p->name, parv[2]);
122			return;
123			}
124
125			if ((ms = find_channel_link(source_p, chptr)) == NULL)
126			{
127			sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
128			me.name, source_p->name, chptr->chname);
129			return;
130			}
131
132			if (ConfigChannel.invite_ops_only \|\| (chptr->mode.mode & MODE_INVITEONLY))
133			{
134			if (MyConnect(source_p) && !has_member_flags(ms, CHFL_CHANOP\|CHFL_HALFOP))
135			{
136			sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
137			me.name, source_p->name, chptr->chname);
138			return;
139			}
140			}
141
142			if (IsMember(target_p, chptr))
143			{
144			sendto_one(source_p, form_str(ERR_USERONCHANNEL),
145			me.name, source_p->name, target_p->name, chptr->chname);
146			return;
147			}
148
149			if (MyConnect(source_p))
150			{
151			sendto_one(source_p, form_str(RPL_INVITING), me.name,
152			source_p->name, target_p->name, chptr->chname);
153
154			if (target_p->away)
155			sendto_one(source_p, form_str(RPL_AWAY),
156			me.name, source_p->name, target_p->name,
157			target_p->away);
158			}
159			else if (parc > 3 && IsDigit(*parv[3]))
160			if (atoi(parv[3]) > chptr->channelts)
161			return;
162
163			if (!MyConnect(target_p) && ServerInfo.hub &&
164			IsCapable(target_p->from, CAP_LL))
165			{
166			/* target_p is connected to a LL leaf, connected to us */
167			if (IsClient(source_p))
168			client_burst_if_needed(target_p->from, source_p);
169
170			if ((chptr->lazyLinkChannelExists &
171			target_p->from->localClient->serverMask) == 0)
172			burst_channel(target_p->from, chptr);
173			}
174
175			if (MyConnect(target_p))
176			{
177			sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
178			source_p->name, source_p->username,
179			source_p->host,
180			target_p->name, chptr->chname);
181
182			if (chptr->mode.mode & MODE_INVITEONLY)
183			{
184			if (chptr->mode.mode & MODE_PRIVATE)
185			{
186			/* Only do this if channel is set +i AND +p */
187			sendto_channel_local(CHFL_CHANOP\|CHFL_HALFOP, NO, chptr,
188			":%s NOTICE %s :%s is inviting %s to %s.",
189			me.name, chptr->chname, source_p->name,
190			target_p->name, chptr->chname);
191			sendto_channel_remote(source_p, client_p, CHFL_CHANOP\|CHFL_HALFOP,
192			NOCAPS, NOCAPS, chptr,
193			":%s NOTICE %s :%s is inviting %s to %s.",
194			source_p->name, chptr->chname, source_p->name,
195			target_p->name, chptr->chname);
196			}
197
198			/* Add the invite if channel is +i */
199			add_invite(chptr, target_p);
200			}
201			}
202			else if (target_p->from != client_p)
203			sendto_one(target_p, ":%s INVITE %s %s %lu",
204			ID_or_name(source_p, target_p->from),
205			ID_or_name(target_p, target_p->from),
206			chptr->chname, (unsigned long)chptr->channelts);
207			}