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NeoStats-NeoIRCd/modules/m_invite.c

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/*
* NeoIRCd: NeoStats Group. Based on Hybird7
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* 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: m_invite.c,v 1.8 2003/01/29 09:28:48 fishwaldo Exp $
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*/
#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"
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static void m_invite(struct Client *, struct Client *, int, char **);
static void ms_invite(struct Client *, struct Client *, int, char **);
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struct Message invite_msgtab = {
"INVITE", 0, 0, 3, 0, MFLG_SLOW, 0,
{m_unregistered, m_invite, ms_invite, m_invite}
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};
#ifndef STATIC_MODULES
void
_modinit(void)
{
mod_add_cmd(&invite_msgtab);
}
void
_moddeinit(void)
{
mod_del_cmd(&invite_msgtab);
}
const char *_version = "$Revision: 1.8 $";
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#endif
/*
** m_invite
** parv[0] - sender prefix
** parv[1] - user to invite
** parv[2] - channel number
*/
static void
m_invite(struct Client *client_p,
struct Client *source_p, int parc, char *parv[])
{
struct Client *target_p;
struct Channel *chptr, *vchan;
int chop; /* Is channel op */
if (*parv[2] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "INVITE");
return;
}
if(!IsClient(source_p))
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return;
if(MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p);
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if ((target_p = find_person(parv[1])) == NULL)
{
sendto_one(source_p, form_str(ERR_NOSUCHNICK), me.name, parv[0], parv[1]);
return;
}
if(check_channel_name(parv[2]) == 0)
{
sendto_one(source_p, form_str(ERR_BADCHANNAME),
me.name, parv[0], (unsigned char *)parv[2]);
return;
}
if (!IsChannelName(parv[2]))
{
if (MyClient(source_p))
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, parv[0], parv[2]);
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][0] == '&'))
{
if (ConfigServerHide.hide_servers == 0)
sendto_one(source_p, form_str(ERR_USERNOTONSERV),
me.name, parv[0], parv[1]);
return;
}
if ((chptr = hash_find_channel(parv[2])) == NULL)
{
if (MyClient(source_p))
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
me.name, parv[0], parv[2]);
return;
}
/* By this point, chptr is non NULL */
vchan = chptr;
if (MyClient(source_p) && !IsMember(source_p, vchan))
{
sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name, parv[0],
parv[2]);
return;
}
if (IsMember(target_p, vchan))
{
if (MyClient(source_p))
sendto_one(source_p, form_str(ERR_USERONCHANNEL),
me.name, parv[0], parv[1], parv[2]);
return;
}
chop = is_chan_op(chptr, source_p) || is_chan_admin(chptr, source_p);
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if (chptr && (vchan->mode.mode & MODE_INVITEONLY))
{
if (!chop)
{
if (MyClient(source_p))
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
me.name, parv[0], parv[2]);
return;
}
}
if (MyConnect(source_p))
{
sendto_one(source_p, form_str(RPL_INVITING), me.name, parv[0],
target_p->name, parv[2]);
if (target_p->user->away)
sendto_one(source_p, form_str(RPL_AWAY), me.name, parv[0],
target_p->name, target_p->user->away);
}
if (!MyConnect(target_p) && ServerInfo.hub &&
IsCapable(target_p->from, CAP_LL))
{
/* target_p is connected to a LL leaf, connected to us */
if (IsPerson(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, vchan);
}
if (MyConnect(target_p) && chop)
add_invite(vchan, target_p);
sendto_anywhere(target_p, source_p, "INVITE %s :%s",
target_p->name, chptr->chname);
/* if the channel is +pi, each server that is capable of CAP_PARA
* will send a local message to channel. If there are servers
* connected to us that do not understand CAP_PARA, send a NOTICE
* to chanops on the channel as per hybrid-6
*/
if (ParanoidChannel(vchan))
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{
sendto_server(source_p->from, source_p, NULL, NOCAPS, NOCAPS, NOFLAGS,
":%s INVITE %s %s :%s",
me.name, source_p->name, target_p->name, vchan->chname);
/* XXX This possibly should be a numeric -db */
sendto_channel_local(ONLY_CHANOPS_HALFOPS, vchan,
":%s NOTICE %s :%s is inviting %s to %s.",
me.name, chptr->chname, source_p->name,
target_p->name, chptr->chname);
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}
}
/*
** ms_invite
** parv[0] - sender prefix
** parv[1] - user to invite
** parv[2] - channel number
*/
/*
*
*/
static void
ms_invite(struct Client *client_p,
struct Client *source_p, int parc, char *parv[])
{
struct Client *source_client_p;
struct Client *target_p;
struct Channel *chptr, *vchan;
int notify_type = 0;
/*
* If parc is 3, then its an old fashioned :nick INVITE nick2 :#channel
* message, which must be relayed through if its not ours.
*
* If parc > 3, then its a notify the channel message only, which
* would only have been sent if the channel was in ParanoidMode to
* begin with, so the check here is redundant.
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*/
if (parc < 4)
{
source_client_p = source_p;
if (*parv[2] == '\0')
return;
if ((target_p = find_person(parv[1])) == NULL)
return;
if(check_channel_name(parv[2]) == 0)
return;
if (!IsChannelName(parv[2]))
return;
if ((chptr = hash_find_channel(parv[2])) == NULL)
return;
}
else
{
notify_type = 1;
if (*parv[1] == '\0')
return;
if ((source_client_p = find_person(parv[1])) == NULL)
return;
if (*parv[2] == '\0')
return;
if ((target_p = find_person(parv[2])) == NULL)
return;
if(check_channel_name(parv[3]) == 0)
return;
if (!IsChannelName(parv[3]))
return;
if ((chptr = hash_find_channel(parv[3])) == NULL)
return;
}
/* By this point, chptr is non NULL */
vchan = chptr;
if (IsMember(target_p, vchan))
return;
if (!notify_type)
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{
if (MyConnect(target_p))
{
if (vchan->mode.mode & MODE_INVITEONLY)
add_invite(vchan, target_p);
}
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sendto_anywhere(target_p, source_client_p, "INVITE %s :%s",
target_p->name, chptr->chname);
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}
else
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{
/* There are two different kinds of behaviour that both make sense here.
* 1) One approach is simply to chop at the first non CAP_PARA hub
* 2) if there is a non CAP_PARA hub in between a cluster of CAP_PARA
* servers and another cluster... then one could attempt to "convert"
* them back to CAP_PARA form.
*/
/* if the channel is +pi, each server that is capable of CAP_PARA
* will send a local message to channel. If the invite came from
* a non CAP_PARA server, attempt to "convert" it back to CAP_PARA form
* even if this means a duplicate channel message to ops.
*/
if (ParanoidChannel(vchan))
{
sendto_server(source_p->from, source_p, NULL, NOCAPS, NOCAPS, NOFLAGS,
":%s INVITE %s %s :%s",
source_p->name, source_client_p->name,
target_p->name, vchan->chname);
/* XXX This possibly should be a numeric -db */
sendto_channel_local(ONLY_CHANOPS_HALFOPS, vchan,
":%s NOTICE %s :%s is inviting %s to %s.",
me.name, chptr->chname, source_client_p->name,
target_p->name, chptr->chname);
}
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}
}