/[svn]/ircd-hybrid-7.2/modules/m_topic.c
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Contents of /ircd-hybrid-7.2/modules/m_topic.c

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Revision 34 - (show annotations)
Sun Oct 2 21:05:51 2005 UTC (14 years ago) by lusky
File MIME type: text/x-chdr
File size: 7293 byte(s)
create 7.2 branch, we can move/rename it as needed.


1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_topic.c: Sets a channel topic.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #include "stdinc.h"
26 #include "tools.h"
27 #include "handlers.h"
28 #include "channel.h"
29 #include "channel_mode.h"
30 #include "client.h"
31 #include "hash.h"
32 #include "irc_string.h"
33 #include "sprintf_irc.h"
34 #include "ircd.h"
35 #include "numeric.h"
36 #include "send.h"
37 #include "s_conf.h"
38 #include "s_serv.h"
39 #include "msg.h"
40 #include "parse.h"
41 #include "modules.h"
42 #include "packet.h"
43 #include "common.h"
44
45 static void m_topic(struct Client *, struct Client *, int, char **);
46 static void ms_topic(struct Client *, struct Client *, int, char **);
47
48 struct Message topic_msgtab = {
49 "TOPIC", 0, 0, 2, 0, MFLG_SLOW, 0,
50 {m_unregistered, m_topic, ms_topic, m_ignore, m_topic, m_ignore}
51 };
52
53 #ifndef STATIC_MODULES
54 void
55 _modinit(void)
56 {
57 mod_add_cmd(&topic_msgtab);
58 }
59
60 void
61 _moddeinit(void)
62 {
63 mod_del_cmd(&topic_msgtab);
64 }
65
66 const char *_version = "$Revision$";
67 #endif
68
69 /* m_topic()
70 * parv[0] = sender prefix
71 * parv[1] = channel name
72 * parv[2] = new topic, if setting topic
73 */
74 static void
75 m_topic(struct Client *client_p, struct Client *source_p,
76 int parc, char *parv[])
77 {
78 struct Channel *chptr = NULL;
79 char *p;
80 struct Membership *ms;
81 const char *from, *to;
82
83 if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
84 {
85 from = me.id;
86 to = source_p->id;
87 }
88 else
89 {
90 from = me.name;
91 to = source_p->name;
92 }
93
94 if ((p = strchr(parv[1], ',')) != NULL)
95 *p = '\0';
96
97 if (parv[1][0] == '\0')
98 {
99 sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
100 from, to, "TOPIC");
101 return;
102 }
103
104 if (MyClient(source_p) && !IsFloodDone(source_p))
105 flood_endgrace(source_p);
106
107 if (IsChanPrefix(*parv[1]))
108 {
109 if ((chptr = hash_find_channel(parv[1])) == NULL)
110 {
111 /* if chptr isn't found locally, it =could= exist
112 * on the uplink. so forward reqeuest
113 */
114 if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL))
115 {
116 sendto_one(uplink, ":%s TOPIC %s %s",
117 ID_or_name(source_p, uplink), chptr->chname,
118 ((parc > 2) ? parv[2] : ""));
119 return;
120 }
121 else
122 {
123 sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
124 from, to, parv[1]);
125 return;
126 }
127 }
128
129 /* setting topic */
130 if (parc > 2)
131 {
132 if ((ms = find_channel_link(source_p, chptr)) == NULL)
133 {
134 sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from,
135 to, parv[1]);
136 return;
137 }
138 if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 ||
139 has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
140 {
141 char topic_info[USERHOST_REPLYLEN];
142 ircsprintf(topic_info, "%s!%s@%s",
143 source_p->name, source_p->username, source_p->host);
144 set_channel_topic(chptr, parv[2], topic_info, CurrentTime);
145
146 sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS,
147 ":%s TOPIC %s :%s",
148 ID(source_p), chptr->chname,
149 chptr->topic == NULL ? "" : chptr->topic);
150 sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS,
151 ":%s TOPIC %s :%s",
152 source_p->name, chptr->chname,
153 chptr->topic == NULL ? "" : chptr->topic);
154 sendto_channel_local(ALL_MEMBERS, NO,
155 chptr, ":%s!%s@%s TOPIC %s :%s",
156 source_p->name,
157 source_p->username,
158 source_p->host,
159 chptr->chname, chptr->topic == NULL ?
160 "" : chptr->topic);
161 }
162 else
163 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
164 from, to, chptr->chname);
165 }
166 else /* only asking for topic */
167 {
168 if (!SecretChannel(chptr) || IsMember(source_p, chptr))
169 {
170 if (chptr->topic == NULL)
171 sendto_one(source_p, form_str(RPL_NOTOPIC),
172 from, to, chptr->chname);
173 else
174 {
175 sendto_one(source_p, form_str(RPL_TOPIC),
176 from, to,
177 chptr->chname, chptr->topic);
178
179 /* client on LL needing the topic - if we have serverhide, say
180 * its the actual LL server that set the topic, not us the
181 * uplink -- fl_
182 */
183 if (ConfigServerHide.hide_servers && !MyClient(source_p)
184 && IsCapable(client_p, CAP_LL) && ServerInfo.hub)
185 {
186 sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
187 from, to, chptr->chname,
188 client_p->name, chptr->topic_time);
189 }
190 else
191 {
192 sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
193 from, to, chptr->chname,
194 chptr->topic_info,
195 chptr->topic_time);
196 }
197 }
198 }
199 else
200 {
201 sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
202 from, to, chptr->chname);
203 return;
204 }
205 }
206 }
207 else
208 {
209 sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
210 from, to, parv[1]);
211 }
212 }
213
214 /*
215 * ms_topic
216 * parv[0] = sender prefix
217 * parv[1] = channel name
218 * parv[2] = topic_info
219 * parv[3] = topic_info time
220 * parv[4] = new channel topic
221 *
222 * Let servers always set a topic
223 */
224 static void
225 ms_topic(struct Client *client_p, struct Client *source_p,
226 int parc, char *parv[])
227 {
228 struct Channel *chptr = NULL;
229
230 if (!IsServer(source_p))
231 {
232 m_topic(client_p, source_p, parc, parv);
233 return;
234 }
235
236 if (parc < 5)
237 return;
238
239 if (parv[1] && IsChanPrefix(*parv[1]))
240 {
241 if ((chptr = hash_find_channel(parv[1])) == NULL)
242 return;
243
244 set_channel_topic(chptr, parv[4], parv[2], atoi(parv[3]));
245
246 if (ConfigServerHide.hide_servers)
247 {
248 sendto_channel_local(ALL_MEMBERS, NO,
249 chptr, ":%s TOPIC %s :%s",
250 me.name, chptr->chname,
251 chptr->topic == NULL ? "" : chptr->topic);
252
253 }
254 else
255 {
256 sendto_channel_local(ALL_MEMBERS, NO,
257 chptr, ":%s TOPIC %s :%s",
258 source_p->name,
259 chptr->chname, chptr->topic == NULL ? "" : chptr->topic);
260 }
261 }
262 }

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