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 $
43 static int m_invite(struct Client
*, struct Client
*, int, const char **);
45 struct Message invite_msgtab
= {
46 "INVITE", 0, 0, 0, MFLG_SLOW
,
47 {mg_unreg
, {m_invite
, 3}, {m_invite
, 3}, mg_ignore
, mg_ignore
, {m_invite
, 3}}
49 mapi_clist_av1 invite_clist
[] = { &invite_msgtab
, NULL
};
50 DECLARE_MODULE_AV1(invite
, NULL
, NULL
, invite_clist
, NULL
, NULL
, "$Revision: 3438 $");
52 static void add_invite(struct Channel
*, struct Client
*);
55 * parv[0] - sender prefix
56 * parv[1] - user to invite
57 * parv[2] - channel name
60 m_invite(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
62 struct Client
*target_p
;
63 struct Channel
*chptr
;
64 struct membership
*msptr
;
67 if(MyClient(source_p
) && !IsFloodDone(source_p
))
68 flood_endgrace(source_p
);
70 if(MyClient(source_p
))
71 target_p
= find_named_person(parv
[1]);
73 target_p
= find_person(parv
[1]);
76 if(!MyClient(source_p
) && IsDigit(parv
[1][0]))
77 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
78 "* :Target left IRC. Failed to invite to %s",
81 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
82 form_str(ERR_NOSUCHNICK
),
87 if(check_channel_name(parv
[2]) == 0)
89 sendto_one_numeric(source_p
, ERR_BADCHANNAME
,
90 form_str(ERR_BADCHANNAME
),
95 if(!IsChannelName(parv
[2]))
97 if(MyClient(source_p
))
98 sendto_one_numeric(source_p
, ERR_NOSUCHCHANNEL
,
99 form_str(ERR_NOSUCHCHANNEL
), parv
[2]);
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.
106 if(parv
[2][0] == '&' && !MyConnect(target_p
))
108 sendto_one(source_p
, form_str(ERR_USERNOTONSERV
),
109 me
.name
, source_p
->name
, target_p
->name
);
113 if((chptr
= find_channel(parv
[2])) == NULL
)
115 sendto_one_numeric(source_p
, ERR_NOSUCHCHANNEL
,
116 form_str(ERR_NOSUCHCHANNEL
), parv
[2]);
120 msptr
= find_channel_membership(chptr
, source_p
);
121 if(MyClient(source_p
) && (msptr
== NULL
))
123 sendto_one_numeric(source_p
, ERR_NOTONCHANNEL
,
124 form_str(ERR_NOTONCHANNEL
), parv
[2]);
128 if(IsMember(target_p
, chptr
))
130 sendto_one_numeric(source_p
, ERR_USERONCHANNEL
,
131 form_str(ERR_USERONCHANNEL
),
132 target_p
->name
, parv
[2]);
136 /* unconditionally require ops, unless the channel is +g */
137 /* treat remote clients as chanops */
138 if(MyClient(source_p
) && !is_chanop(msptr
) &&
139 !(chptr
->mode
.mode
& MODE_FREEINVITE
))
141 sendto_one(source_p
, form_str(ERR_CHANOPRIVSNEEDED
),
142 me
.name
, source_p
->name
, parv
[2]);
146 /* store invites when they could affect the ability to join
147 * for +l/+j just check if the mode is set, this varies over time
149 if(chptr
->mode
.mode
& MODE_INVITEONLY
||
150 (chptr
->mode
.mode
& MODE_REGONLY
&& EmptyString(target_p
->user
->suser
)) ||
151 chptr
->mode
.limit
|| chptr
->mode
.join_num
)
154 if(MyConnect(source_p
))
156 sendto_one(source_p
, form_str(RPL_INVITING
),
157 me
.name
, source_p
->name
,
158 target_p
->name
, parv
[2]);
159 if(target_p
->user
->away
)
160 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
161 target_p
->name
, target_p
->user
->away
);
163 /* invite timestamp */
164 else if(parc
> 3 && !EmptyString(parv
[3]))
166 /* this should never be less than */
167 if(atol(parv
[3]) > chptr
->channelts
)
171 if(MyConnect(target_p
))
173 sendto_one(target_p
, ":%s!%s@%s INVITE %s :%s",
174 source_p
->name
, source_p
->username
, source_p
->host
,
175 target_p
->name
, chptr
->chname
);
178 add_invite(chptr
, target_p
);
180 else if(target_p
->from
!= client_p
)
182 sendto_one_prefix(target_p
, source_p
, "INVITE", "%s %lu",
183 chptr
->chname
, (unsigned long) chptr
->channelts
);
191 * input - channel to add invite to, client to add
193 * side effects - client is added to invite list.
196 add_invite(struct Channel
*chptr
, struct Client
*who
)
200 /* already invited? */
201 RB_DLINK_FOREACH(ptr
, who
->user
->invited
.head
)
203 if(ptr
->data
== chptr
)
207 /* ok, if their invite list is too long, remove the tail */
208 if((int)rb_dlink_list_length(&who
->user
->invited
) >=
209 ConfigChannel
.max_chans_per_user
)
211 ptr
= who
->user
->invited
.tail
;
212 del_invite(ptr
->data
, who
);
215 /* add user to channel invite list */
216 rb_dlinkAddAlloc(who
, &chptr
->invites
);
218 /* add channel to user invite list */
219 rb_dlinkAddAlloc(chptr
, &who
->user
->invited
);