2 * ircd-ratbox: A slightly useful ircd.
3 * m_invite.c: Invites the user to join a channel.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 * $Id: m_invite.c 3438 2007-05-06 14:46:45Z jilles $
33 #include "irc_string.h"
44 static int m_invite(struct Client
*, struct Client
*, int, const char **);
46 struct Message invite_msgtab
= {
47 "INVITE", 0, 0, 0, MFLG_SLOW
,
48 {mg_unreg
, {m_invite
, 3}, {m_invite
, 3}, mg_ignore
, mg_ignore
, {m_invite
, 3}}
50 mapi_clist_av1 invite_clist
[] = { &invite_msgtab
, NULL
};
51 DECLARE_MODULE_AV1(invite
, NULL
, NULL
, invite_clist
, NULL
, NULL
, "$Revision: 3438 $");
53 static void add_invite(struct Channel
*, struct Client
*);
56 * parv[0] - sender prefix
57 * parv[1] - user to invite
58 * parv[2] - channel name
61 m_invite(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
63 struct Client
*target_p
;
64 struct Channel
*chptr
;
65 struct membership
*msptr
;
68 if(MyClient(source_p
) && !IsFloodDone(source_p
))
69 flood_endgrace(source_p
);
71 if(MyClient(source_p
))
72 target_p
= find_named_person(parv
[1]);
74 target_p
= find_person(parv
[1]);
77 if(!MyClient(source_p
) && IsDigit(parv
[1][0]))
78 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
79 "* :Target left IRC. Failed to invite to %s",
82 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
83 form_str(ERR_NOSUCHNICK
),
88 if(check_channel_name(parv
[2]) == 0)
90 sendto_one_numeric(source_p
, ERR_BADCHANNAME
,
91 form_str(ERR_BADCHANNAME
),
96 if(!IsChannelName(parv
[2]))
98 if(MyClient(source_p
))
99 sendto_one_numeric(source_p
, ERR_NOSUCHCHANNEL
,
100 form_str(ERR_NOSUCHCHANNEL
), parv
[2]);
104 /* Do not send local channel invites to users if they are not on the
105 * same server as the person sending the INVITE message.
107 if(parv
[2][0] == '&' && !MyConnect(target_p
))
109 sendto_one(source_p
, form_str(ERR_USERNOTONSERV
),
110 me
.name
, source_p
->name
, target_p
->name
);
114 if((chptr
= find_channel(parv
[2])) == NULL
)
116 sendto_one_numeric(source_p
, ERR_NOSUCHCHANNEL
,
117 form_str(ERR_NOSUCHCHANNEL
), parv
[2]);
121 msptr
= find_channel_membership(chptr
, source_p
);
122 if(MyClient(source_p
) && (msptr
== NULL
))
124 sendto_one_numeric(source_p
, ERR_NOTONCHANNEL
,
125 form_str(ERR_NOTONCHANNEL
), parv
[2]);
129 if(IsMember(target_p
, chptr
))
131 sendto_one_numeric(source_p
, ERR_USERONCHANNEL
,
132 form_str(ERR_USERONCHANNEL
),
133 target_p
->name
, parv
[2]);
137 /* unconditionally require ops, unless the channel is +g */
138 /* treat remote clients as chanops */
139 if(MyClient(source_p
) && !is_chanop(msptr
) &&
140 !(chptr
->mode
.mode
& MODE_FREEINVITE
))
142 sendto_one(source_p
, form_str(ERR_CHANOPRIVSNEEDED
),
143 me
.name
, source_p
->name
, parv
[2]);
147 /* store invites when they could affect the ability to join
148 * for +l/+j just check if the mode is set, this varies over time
150 if(chptr
->mode
.mode
& MODE_INVITEONLY
||
151 (chptr
->mode
.mode
& MODE_REGONLY
&& EmptyString(target_p
->user
->suser
)) ||
152 chptr
->mode
.limit
|| chptr
->mode
.join_num
)
155 if(MyConnect(source_p
))
157 sendto_one(source_p
, form_str(RPL_INVITING
),
158 me
.name
, source_p
->name
,
159 target_p
->name
, parv
[2]);
160 if(target_p
->user
->away
)
161 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
162 target_p
->name
, target_p
->user
->away
);
164 /* invite timestamp */
165 else if(parc
> 3 && !EmptyString(parv
[3]))
167 /* this should never be less than */
168 if(atol(parv
[3]) > chptr
->channelts
)
172 if(MyConnect(target_p
))
174 sendto_one(target_p
, ":%s!%s@%s INVITE %s :%s",
175 source_p
->name
, source_p
->username
, source_p
->host
,
176 target_p
->name
, chptr
->chname
);
179 add_invite(chptr
, target_p
);
181 else if(target_p
->from
!= client_p
)
183 sendto_one_prefix(target_p
, source_p
, "INVITE", "%s %lu",
184 chptr
->chname
, (unsigned long) chptr
->channelts
);
192 * input - channel to add invite to, client to add
194 * side effects - client is added to invite list.
197 add_invite(struct Channel
*chptr
, struct Client
*who
)
201 /* already invited? */
202 DLINK_FOREACH(ptr
, who
->user
->invited
.head
)
204 if(ptr
->data
== chptr
)
208 /* ok, if their invite list is too long, remove the tail */
209 if((int)dlink_list_length(&who
->user
->invited
) >=
210 ConfigChannel
.max_chans_per_user
)
212 ptr
= who
->user
->invited
.tail
;
213 del_invite(ptr
->data
, who
);
216 /* add user to channel invite list */
217 dlinkAddAlloc(who
, &chptr
->invites
);
219 /* add channel to user invite list */
220 dlinkAddAlloc(chptr
, &who
->user
->invited
);