elemental-ircd/modules/m_topic.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_topic.c: Sets a channel topic.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: m_topic.c 254 2005-09-21 23:35:12Z nenolod $
*/
#include "stdinc.h"
#include "channel.h"
#include "client.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_newconf.h"
#include "s_conf.h"
#include "s_serv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"
static int m_topic(struct Client *, struct Client *, int, const char **);
static int ms_topic(struct Client *, struct Client *, int, const char **);
struct Message topic_msgtab = {
"TOPIC", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_topic, 2}, {m_topic, 2}, {ms_topic, 5}, mg_ignore, {m_topic, 2}}
};
mapi_clist_av1 topic_clist[] = { &topic_msgtab, NULL };
DECLARE_MODULE_AV1(topic, NULL, NULL, topic_clist, NULL, NULL, "$Revision: 254 $");
/*
* m_topic
* parv[1] = channel name
* parv[2] = new topic, if setting topic
*/
static int
m_topic(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Channel *chptr = NULL;
struct membership *msptr;
char *p = NULL;
const char *name;
int operspy = 0;
if((p = strchr(parv[1], ',')))
*p = '\0';
name = parv[1];
if(IsOperSpy(source_p) && parv[1][0] == '!')
{
name++;
operspy = 1;
if(EmptyString(name))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "TOPIC");
return 0;
}
}
if(MyClient(source_p) && !IsFloodDone(source_p))
flood_endgrace(source_p);
if(!IsChannelName(name))
{
sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
form_str(ERR_NOSUCHCHANNEL), name);
return 0;
}
chptr = find_channel(name);
if(chptr == NULL)
{
sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
form_str(ERR_NOSUCHCHANNEL), name);
return 0;
}
/* setting topic */
if(parc > 2)
{
msptr = find_channel_membership(chptr, source_p);
if(msptr == NULL)
{
sendto_one_numeric(source_p, ERR_NOTONCHANNEL,
form_str(ERR_NOTONCHANNEL), name);
return 0;
}
if((chptr->mode.mode & MODE_TOPICLIMIT) == 0 || is_chanop(msptr))
{
char topic_info[USERHOST_REPLYLEN];
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if(ConfigChannel.host_in_topic)
rb_sprintf(topic_info, "%s!%s@%s",
source_p->name, source_p->username, source_p->host);
else
rb_strlcpy(topic_info, source_p->name, sizeof(topic_info));
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set_channel_topic(chptr, parv[2], topic_info, rb_current_time());
sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
":%s TOPIC %s :%s",
use_id(source_p), chptr->chname,
chptr->topic == NULL ? "" : chptr->topic);
sendto_channel_local(ALL_MEMBERS,
chptr, ":%s!%s@%s TOPIC %s :%s",
source_p->name, source_p->username,
source_p->host, chptr->chname,
chptr->topic == NULL ? "" : chptr->topic);
}
else
sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
get_id(&me, source_p),
get_id(source_p, source_p), name);
}
else if(MyClient(source_p))
{
if(operspy)
report_operspy(source_p, "TOPIC", chptr->chname);
if(!IsMember(source_p, chptr) && SecretChannel(chptr) &&
!operspy)
{
sendto_one_numeric(source_p, ERR_NOTONCHANNEL,
form_str(ERR_NOTONCHANNEL), name);
return 0;
}
if(chptr->topic == NULL)
sendto_one(source_p, form_str(RPL_NOTOPIC),
me.name, source_p->name, name);
else
{
sendto_one(source_p, form_str(RPL_TOPIC),
me.name, source_p->name, chptr->chname, chptr->topic);
sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
me.name, source_p->name, chptr->chname,
chptr->topic_info, chptr->topic_time);
}
}
return 0;
}
/*
* ms_topic
* parv[1] = channel name
* parv[2] = topic_info
* parv[3] = topic_info time
* parv[4] = new channel topic
*
* Let servers always set a topic
*/
static int
ms_topic(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Channel *chptr = NULL;
if(IsChannelName(parv[1]))
{
if((chptr = find_channel(parv[1])) == NULL)
return 0;
set_channel_topic(chptr, parv[4], parv[2], atoi(parv[3]));
sendto_channel_local(ALL_MEMBERS, chptr, ":%s TOPIC %s :%s",
source_p->name, parv[1],
chptr->topic == NULL ? "" : chptr->topic);
}
return 0;
}