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1 | /* modules/m_tb.c |
2 | * | |
3 | * Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk> | |
4 | * Copyright (C) 2003-2005 ircd-ratbox development team | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are | |
8 | * met: | |
9 | * | |
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. | |
17 | * | |
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. | |
29 | * | |
30 | * $Id: m_tb.c 1349 2006-05-17 17:37:46Z jilles $ | |
31 | */ | |
32 | ||
33 | #include "stdinc.h" | |
34 | #include "tools.h" | |
35 | #include "send.h" | |
36 | #include "channel.h" | |
37 | #include "client.h" | |
38 | #include "common.h" | |
39 | #include "config.h" | |
40 | #include "ircd.h" | |
41 | #include "irc_string.h" | |
42 | #include "s_conf.h" | |
43 | #include "msg.h" | |
44 | #include "modules.h" | |
45 | #include "hash.h" | |
46 | #include "s_serv.h" | |
47 | ||
48 | static int ms_tb(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
49 | ||
50 | struct Message tb_msgtab = { | |
51 | "TB", 0, 0, 0, MFLG_SLOW, | |
52 | {mg_unreg, mg_ignore, mg_ignore, {ms_tb, 4}, mg_ignore, mg_ignore} | |
53 | }; | |
54 | ||
55 | mapi_clist_av1 tb_clist[] = { &tb_msgtab, NULL }; | |
56 | DECLARE_MODULE_AV1(tb, NULL, NULL, tb_clist, NULL, NULL, "$Revision: 1349 $"); | |
57 | ||
58 | /* m_tb() | |
59 | * | |
60 | * parv[1] - channel | |
61 | * parv[2] - topic ts | |
62 | * parv[3] - optional topicwho/topic | |
63 | * parv[4] - topic | |
64 | */ | |
65 | static int | |
66 | ms_tb(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
67 | { | |
68 | struct Channel *chptr; | |
69 | const char *newtopic; | |
70 | const char *newtopicwho; | |
71 | time_t newtopicts; | |
72 | struct Client *fakesource_p; | |
73 | ||
74 | chptr = find_channel(parv[1]); | |
75 | ||
76 | if(chptr == NULL) | |
77 | return 0; | |
78 | ||
79 | newtopicts = atol(parv[2]); | |
80 | ||
81 | /* Hide connecting server on netburst -- jilles */ | |
82 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
83 | fakesource_p = &me; | |
84 | else | |
85 | fakesource_p = source_p; | |
86 | ||
87 | if(parc == 5) | |
88 | { | |
89 | newtopic = parv[4]; | |
90 | newtopicwho = parv[3]; | |
91 | } | |
92 | else | |
93 | { | |
94 | newtopic = parv[3]; | |
95 | newtopicwho = fakesource_p->name; | |
96 | } | |
97 | ||
98 | if (EmptyString(newtopic)) | |
99 | return 0; | |
100 | ||
101 | if(chptr->topic == NULL || chptr->topic_time > newtopicts) | |
102 | { | |
103 | /* its possible the topicts is a few seconds out on some | |
104 | * servers, due to lag when propagating it, so if theyre the | |
105 | * same topic just drop the message --fl | |
106 | */ | |
107 | if(chptr->topic != NULL && strcmp(chptr->topic, newtopic) == 0) | |
108 | return 0; | |
109 | ||
110 | set_channel_topic(chptr, newtopic, newtopicwho, newtopicts); | |
111 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s TOPIC %s :%s", | |
112 | fakesource_p->name, chptr->chname, newtopic); | |
113 | sendto_server(client_p, chptr, CAP_TB|CAP_TS6, NOCAPS, | |
114 | ":%s TB %s %ld %s%s:%s", | |
115 | use_id(source_p), chptr->chname, (long) chptr->topic_time, | |
116 | ConfigChannel.burst_topicwho ? chptr->topic_info : "", | |
117 | ConfigChannel.burst_topicwho ? " " : "", chptr->topic); | |
118 | sendto_server(client_p, chptr, CAP_TB, CAP_TS6, | |
119 | ":%s TB %s %ld %s%s:%s", | |
120 | source_p->name, chptr->chname, (long) chptr->topic_time, | |
121 | ConfigChannel.burst_topicwho ? chptr->topic_info : "", | |
122 | ConfigChannel.burst_topicwho ? " " : "", chptr->topic); | |
123 | } | |
124 | ||
125 | return 0; | |
126 | } |