mirror of
https://github.com/matrix-construct/construct
synced 2024-08-26 19:35:17 +02:00
245 lines
7.2 KiB
C++
245 lines
7.2 KiB
C++
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_invite.c: Invites the user to join a channel.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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using namespace ircd;
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static const char invite_desc[] = "Provides facilities for invite and related notifications";
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static void m_invite(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static unsigned int CAP_INVITE_NOTIFY = 0;
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struct Message invite_msgtab = {
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"INVITE", 0, 0, 0, 0,
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{mg_unreg, {m_invite, 3}, {m_invite, 3}, mg_ignore, mg_ignore, {m_invite, 3}}
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};
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mapi_clist_av1 invite_clist[] = { &invite_msgtab, NULL };
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mapi_cap_list_av2 invite_cap_list[] = {
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{ MAPI_CAP_CLIENT, "invite-notify", NULL, &CAP_INVITE_NOTIFY },
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{ 0, NULL, NULL, NULL }
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};
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DECLARE_MODULE_AV2(invite, NULL, NULL, invite_clist, NULL, NULL, invite_cap_list, NULL, invite_desc);
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static bool add_invite(chan::chan &, client::client &);
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/* m_invite()
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* parv[1] - user to invite
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* parv[2] - channel name
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*/
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static void
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m_invite(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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client::client *target_p;
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chan::chan *chptr;
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chan::membership *msptr;
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int store_invite = 0;
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if(my(source) && !is_flood_done(source))
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flood_endgrace(&source);
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if(my(source))
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target_p = client::find_named_person(parv[1]);
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else
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target_p = client::find_person(parv[1]);
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if(target_p == NULL)
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{
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if(!my(source) && rfc1459::is_digit(parv[1][0]))
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sendto_one_numeric(&source, ERR_NOSUCHNICK,
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"* :Target left IRC. Failed to invite to %s",
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parv[2]);
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else
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sendto_one_numeric(&source, ERR_NOSUCHNICK,
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form_str(ERR_NOSUCHNICK),
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parv[1]);
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return;
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}
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if(chan::valid_name(parv[2]) == 0)
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{
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sendto_one_numeric(&source, ERR_BADCHANNAME,
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form_str(ERR_BADCHANNAME),
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parv[2]);
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return;
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}
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/* Do not send local channel invites to users if they are not on the
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* same server as the person sending the INVITE message.
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*/
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if(parv[2][0] == '&' && !my_connect(*target_p))
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{
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sendto_one(&source, form_str(ERR_USERNOTONSERV),
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me.name, source.name, target_p->name);
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return;
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}
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if(((my_connect(source) && !is_exempt_resv(source)) ||
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(my_connect(*target_p) && !is_exempt_resv(*target_p))) &&
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hash_find_resv(parv[2]))
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{
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sendto_one_numeric(&source, ERR_BADCHANNAME,
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form_str(ERR_BADCHANNAME),
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parv[2]);
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return;
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}
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if((chptr = chan::get(parv[2], std::nothrow)) == NULL)
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{
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sendto_one_numeric(&source, ERR_NOSUCHCHANNEL,
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form_str(ERR_NOSUCHCHANNEL), parv[2]);
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return;
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}
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msptr = get(chptr->members, source, std::nothrow);
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if(my(source) && (msptr == NULL))
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{
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sendto_one_numeric(&source, ERR_NOTONCHANNEL,
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form_str(ERR_NOTONCHANNEL), parv[2]);
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return;
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}
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if(is_member(chptr, target_p))
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{
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sendto_one_numeric(&source, ERR_USERONCHANNEL,
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form_str(ERR_USERONCHANNEL),
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target_p->name, parv[2]);
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return;
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}
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/* unconditionally require ops, unless the channel is +g */
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/* treat remote clients as chanops */
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if(my(source) && !is_chanop(msptr) &&
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!(chptr->mode.mode & chan::mode::FREEINVITE))
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{
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sendto_one(&source, form_str(ERR_CHANOPRIVSNEEDED),
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me.name, source.name, parv[2]);
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return;
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}
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/* store invites when they could affect the ability to join
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* for +l/+j just check if the mode is set, this varies over time
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*/
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if(chptr->mode.mode & chan::mode::INVITEONLY ||
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(chptr->mode.mode & chan::mode::REGONLY && suser(user(*target_p)).empty()) ||
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chptr->mode.limit || chptr->mode.join_num)
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store_invite = 1;
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if(my_connect(source))
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{
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if (ConfigFileEntry.target_change && !is(source, umode::OPER) &&
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!tgchange::find_allowing_channel(source, *target_p) &&
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!tgchange::add_target(source, *target_p))
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{
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sendto_one(&source, form_str(ERR_TARGCHANGE),
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me.name, source.name, target_p->name);
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return;
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}
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sendto_one(&source, form_str(RPL_INVITING),
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me.name, source.name,
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target_p->name, parv[2]);
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if(away(user(*target_p)).size())
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sendto_one_numeric(&source, RPL_AWAY, form_str(RPL_AWAY),
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target_p->name, away(user(*target_p)).c_str());
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}
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/* invite timestamp */
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else if(parc > 3 && !EmptyString(parv[3]))
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{
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/* this should never be less than */
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if(atol(parv[3]) > chptr->channelts)
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return;
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}
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if(my_connect(*target_p))
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{
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if(!is(source, umode::OPER) && (is(*target_p, umode::CALLERID) ||
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(is(*target_p, umode::REGONLYMSG) && !suser(user(source))[0])) &&
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!accept_message(&source, target_p))
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{
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if (is(*target_p, umode::REGONLYMSG) && !suser(user(source))[0])
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{
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sendto_one_numeric(&source, ERR_NONONREG,
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form_str(ERR_NONONREG),
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target_p->name);
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return;
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}
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else
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{
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/* instead of sending RPL_UMODEGMSG,
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* just let the invite through
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*/
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if((target_p->localClient->last_caller_id_time +
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ConfigFileEntry.caller_id_wait) >= rb_current_time())
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{
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sendto_one_numeric(&source, ERR_TARGUMODEG,
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form_str(ERR_TARGUMODEG),
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target_p->name);
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return;
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}
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target_p->localClient->last_caller_id_time = rb_current_time();
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}
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}
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tgchange::add_reply_target(*target_p, source);
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sendto_one(target_p, ":%s!%s@%s INVITE %s :%s",
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source.name, source.username, source.host,
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target_p->name, chptr->name.c_str());
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if(store_invite)
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{
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if (!add_invite(*chptr, *target_p))
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return;
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sendto_channel_local_with_capability(chan::CHANOP, 0, CAP_INVITE_NOTIFY, chptr,
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":%s NOTICE %s :%s is inviting %s to %s.",
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me.name, chptr->name.c_str(), source.name, target_p->name, chptr->name.c_str());
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sendto_channel_local_with_capability(chan::CHANOP, CAP_INVITE_NOTIFY, 0, chptr,
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":%s!%s@%s INVITE %s %s", source.name, source.username,
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source.host, target_p->name, chptr->name.c_str());
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}
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}
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sendto_server(&source, chptr, CAP_TS6, 0, ":%s INVITE %s %s %lu",
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use_id(&source), use_id(target_p),
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chptr->name.c_str(), (unsigned long) chptr->channelts);
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}
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/* add_invite()
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*
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* input - channel to add invite to, client to add
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* output - true if it is a new invite, else false
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* side effects - client is added to invite list.
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*/
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static bool
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add_invite(chan::chan &chan, client::client &client)
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{
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if (invites(user(client)).size() >= ConfigChannel.max_chans_per_user)
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return false;
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if (chan.invites.size() >= ConfigChannel.max_chans_per_user)
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return false;
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chan.invites.emplace(&client);
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invites(user(client)).emplace(&chan);
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return true;
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}
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