1 /*
2 * ircd-ratbox: A slightly useful ircd.
3 * m_topic.c: Sets a channel topic.
4 *
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
8 *
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.
13 *
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.
18 *
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
22 * USA
23 *
24 * $Id: m_topic.c 26094 2008-09-19 15:33:46Z androsyn $
25 */
26
27 #include "stdinc.h"
28 #include "struct.h"
29 #include "channel.h"
30 #include "client.h"
31 #include "hash.h"
32 #include "match.h"
33 #include "ircd.h"
34 #include "numeric.h"
35 #include "send.h"
36 #include "s_serv.h"
37 #include "parse.h"
38 #include "modules.h"
39
40 static int m_topic(struct Client *, struct Client *, int, const char **);
41
42 struct Message topic_msgtab = {
43 "TOPIC", 0, 0, 0, MFLG_SLOW,
44 {mg_unreg, {m_topic, 2}, {m_topic, 2}, mg_ignore, mg_ignore, {m_topic, 2}}
45 };
46
47 mapi_clist_av1 topic_clist[] = { &topic_msgtab, NULL };
48
49 DECLARE_MODULE_AV1(topic, NULL, NULL, topic_clist, NULL, NULL, "$Revision: 26094 $");
50
51 /*
52 * m_topic
53 * parv[0] = sender prefix
54 * parv[1] = channel name
55 * parv[2] = new topic, if setting topic
56 */
57 static int
m_topic(struct Client * client_p,struct Client * source_p,int parc,const char * parv[])58 m_topic(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
59 {
60 struct Channel *chptr = NULL;
61 struct membership *msptr;
62 char *p = NULL;
63
64 if((p = strchr(parv[1], ',')))
65 *p = '\0';
66
67 if(MyClient(source_p) && !IsFloodDone(source_p))
68 flood_endgrace(source_p);
69
70 if(!IsChannelName(parv[1]))
71 {
72 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
73 form_str(ERR_NOSUCHCHANNEL), parv[1]);
74 return 0;
75 }
76
77 chptr = find_channel(parv[1]);
78
79 if(chptr == NULL)
80 {
81 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
82 form_str(ERR_NOSUCHCHANNEL), parv[1]);
83 return 0;
84 }
85
86 /* setting topic */
87 if(parc > 2)
88 {
89 msptr = find_channel_membership(chptr, source_p);
90
91 if(msptr == NULL)
92 {
93 sendto_one_numeric(source_p, ERR_NOTONCHANNEL,
94 form_str(ERR_NOTONCHANNEL), parv[1]);
95 return 0;
96 }
97
98 if((chptr->mode.mode & MODE_TOPICLIMIT) == 0 || is_chanop(msptr))
99 {
100 char topic_info[USERHOST_REPLYLEN];
101 rb_sprintf(topic_info, "%s!%s@%s",
102 source_p->name, source_p->username, source_p->host);
103 set_channel_topic(chptr, parv[2], topic_info, rb_current_time());
104
105 sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
106 ":%s TOPIC %s :%s",
107 use_id(source_p), chptr->chname,
108 chptr->topic == NULL ? "" : chptr->topic->topic);
109 sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
110 ":%s TOPIC %s :%s",
111 source_p->name, chptr->chname,
112 chptr->topic == NULL ? "" : chptr->topic->topic);
113 sendto_channel_local(ALL_MEMBERS,
114 chptr, ":%s!%s@%s TOPIC %s :%s",
115 source_p->name, source_p->username,
116 source_p->host, chptr->chname,
117 chptr->topic == NULL ? "" : chptr->topic->topic);
118 }
119 else
120 sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
121 me.name, source_p->name, parv[1]);
122 }
123 else if(MyClient(source_p))
124 {
125 if(!IsMember(source_p, chptr) && SecretChannel(chptr))
126 {
127 sendto_one_numeric(source_p, ERR_NOTONCHANNEL,
128 form_str(ERR_NOTONCHANNEL), parv[1]);
129 return 0;
130 }
131 if(chptr->topic == NULL)
132 sendto_one(source_p, form_str(RPL_NOTOPIC),
133 me.name, source_p->name, parv[1]);
134 else
135 {
136 sendto_one(source_p, form_str(RPL_TOPIC),
137 me.name, source_p->name, chptr->chname, chptr->topic->topic);
138
139 sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
140 me.name, source_p->name, chptr->chname,
141 chptr->topic->topic_info, chptr->topic->topic_time);
142 }
143 }
144
145 return 0;
146 }
147