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jfr.im git - solanum.git/blob - modules/m_tb.c
3 * Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>
4 * Copyright (C) 2003-2005 ircd-ratbox development team
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
10 * 1.Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2.Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3.The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
44 static const char tb_desc
[] =
45 "Provides TS6 TB and ETB commands for topic bursting between servers";
47 static void ms_tb(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
48 static void ms_etb(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
50 struct Message tb_msgtab
= {
52 {mg_unreg
, mg_ignore
, mg_ignore
, {ms_tb
, 4}, mg_ignore
, mg_ignore
}
55 struct Message etb_msgtab
= {
57 {mg_unreg
, mg_ignore
, {ms_etb
, 5}, {ms_etb
, 5}, mg_ignore
, mg_ignore
}
60 mapi_clist_av1 tb_clist
[] = { &tb_msgtab
, &etb_msgtab
, NULL
};
61 DECLARE_MODULE_AV2(tb
, NULL
, NULL
, tb_clist
, NULL
, NULL
, NULL
, NULL
, tb_desc
);
67 * parv[3] - optional topicwho/topic
71 ms_tb(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
73 struct Channel
*chptr
;
75 const char *newtopicwho
;
77 struct Client
*fakesource_p
;
79 chptr
= find_channel(parv
[1]);
84 newtopicts
= atol(parv
[2]);
86 /* Hide connecting server on netburst -- jilles */
87 if (ConfigServerHide
.flatten_links
&& !HasSentEob(source_p
))
90 fakesource_p
= source_p
;
95 newtopicwho
= parv
[3];
100 newtopicwho
= fakesource_p
->name
;
103 if (EmptyString(newtopic
))
106 if(chptr
->topic
== NULL
|| chptr
->topic_time
> newtopicts
)
108 /* its possible the topicts is a few seconds out on some
109 * servers, due to lag when propagating it, so if theyre the
110 * same topic just drop the message --fl
112 if(chptr
->topic
!= NULL
&& strcmp(chptr
->topic
, newtopic
) == 0)
115 set_channel_topic(chptr
, newtopic
, newtopicwho
, newtopicts
);
116 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s TOPIC %s :%s",
117 fakesource_p
->name
, chptr
->chname
, newtopic
);
118 sendto_server(client_p
, chptr
, CAP_TB
|CAP_TS6
, NOCAPS
,
119 ":%s TB %s %ld %s%s:%s",
120 use_id(source_p
), chptr
->chname
, (long) chptr
->topic_time
,
121 ConfigChannel
.burst_topicwho
? chptr
->topic_info
: "",
122 ConfigChannel
.burst_topicwho
? " " : "", chptr
->topic
);
128 * parv[1] - channel ts
135 ms_etb(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
137 struct Channel
*chptr
;
138 const char *newtopic
;
139 const char *newtopicwho
;
140 time_t channelts
, newtopicts
;
141 struct Client
*fakesource_p
, *source_server_p
;
142 int textchange
, can_use_tb
, member
;
144 channelts
= atol(parv
[1]);
145 chptr
= find_channel(parv
[2]);
150 newtopicts
= atol(parv
[3]);
152 /* Hide connecting server on netburst -- jilles */
153 if (IsServer(source_p
) && ConfigServerHide
.flatten_links
&&
154 !HasSentEob(source_p
))
157 fakesource_p
= source_p
;
159 newtopicwho
= parv
[4];
160 newtopic
= parv
[parc
- 1];
162 if(chptr
->topic
== NULL
|| chptr
->channelts
> channelts
||
163 (chptr
->channelts
== channelts
&& chptr
->topic_time
< newtopicts
))
165 textchange
= chptr
->topic
== NULL
|| strcmp(chptr
->topic
, newtopic
);
166 can_use_tb
= textchange
&& !EmptyString(newtopic
) &&
167 (chptr
->topic
== NULL
|| chptr
->topic_time
> newtopicts
);
169 set_channel_topic(chptr
, newtopic
, newtopicwho
, newtopicts
);
170 newtopic
= chptr
->topic
? chptr
->topic
: "";
171 if (chptr
->topic_info
)
172 newtopicwho
= chptr
->topic_info
;
174 /* Do not send a textually identical topic to clients,
175 * but do propagate the new topicts/topicwho to servers.
179 if (IsPerson(fakesource_p
))
180 sendto_channel_local(ALL_MEMBERS
, chptr
,
181 ":%s!%s@%s TOPIC %s :%s",
183 fakesource_p
->username
,
188 sendto_channel_local(ALL_MEMBERS
, chptr
,
191 chptr
->chname
, newtopic
);
193 /* Propagate channelts as given, because an older channelts
196 sendto_server(client_p
, chptr
, CAP_EOPMOD
|CAP_TS6
, NOCAPS
,
197 ":%s ETB %ld %s %ld %s :%s",
198 use_id(source_p
), (long)channelts
, chptr
->chname
,
199 (long)newtopicts
, newtopicwho
, newtopic
);
200 source_server_p
= IsServer(source_p
) ? source_p
: source_p
->servptr
;
202 sendto_server(client_p
, chptr
, CAP_TB
|CAP_TS6
, CAP_EOPMOD
,
203 ":%s TB %s %ld %s :%s",
204 use_id(source_server_p
),
205 chptr
->chname
, (long)newtopicts
,
206 newtopicwho
, newtopic
);
207 else if (IsPerson(source_p
) && textchange
)
209 member
= IsMember(source_p
, chptr
);
211 sendto_server(client_p
, chptr
, CAP_TS6
, CAP_EOPMOD
,
212 ":%s SJOIN %ld %s + :@%s",
213 use_id(source_server_p
),
214 (long)chptr
->channelts
,
215 chptr
->chname
, use_id(source_p
));
216 if (EmptyString(newtopic
) ||
217 newtopicts
>= rb_current_time() - 60)
218 sendto_server(client_p
, chptr
, CAP_TS6
, CAP_EOPMOD
,
221 chptr
->chname
, newtopic
);
224 sendto_server(client_p
, chptr
, CAP_TS6
, CAP_EOPMOD
,
228 sendto_server(client_p
, chptr
, CAP_TB
|CAP_TS6
, CAP_EOPMOD
,
229 ":%s TB %s %ld %s :%s",
230 use_id(source_server_p
),
231 chptr
->chname
, (long)newtopicts
,
232 newtopicwho
, newtopic
);
235 sendto_server(client_p
, chptr
, CAP_TS6
, CAP_EOPMOD
,
236 ":%s PART %s :Topic set for %s",
238 chptr
->chname
, newtopicwho
);
242 /* Should not send :server ETB if not all servers
245 sendto_server(client_p
, chptr
, CAP_TS6
, CAP_EOPMOD
,
246 ":%s NOTICE %s :*** Notice -- Dropping topic change for %s",
247 me
.id
, chptr
->chname
, chptr
->chname
);