trunk/modules/m_topic.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_topic.c: Sets a channel topic.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_serv.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"


/* m_topic()
 *  parv[0] = sender prefix
 *  parv[1] = channel name
 *  parv[2] = new topic, if setting topic
 */
static void
m_topic(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Channel *chptr = NULL;
  const char *from, *to;

  if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
  {
    from = me.id;
    to = source_p->id;
  }
  else
  {
    from = me.name;
    to = source_p->name;
  }

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               from, to, "TOPIC");
    return;
  }

  if (MyClient(source_p) && !IsFloodDone(source_p))
    flood_endgrace(source_p);

  if ((chptr = hash_find_channel(parv[1])) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               from, to, parv[1]);
    return;
  }

  /* setting topic */
  if (parc > 2)
  {
    struct Membership *ms;

    if ((ms = find_channel_link(source_p, chptr)) == NULL)
    {
      sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from,
                 to, parv[1]);
      return;
    }

    if (!(chptr->mode.mode & MODE_TOPICLIMIT) ||
        has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
    {
      char topic_info[USERHOST_REPLYLEN]; 

      snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
               source_p->username, source_p->host);
      set_channel_topic(chptr, parv[2], topic_info, CurrentTime, !!MyClient(source_p));

      sendto_server(client_p, CAP_TS6, NOCAPS,
                    ":%s TOPIC %s :%s",
                    ID(source_p), chptr->chname,
                    chptr->topic);
      sendto_server(client_p, NOCAPS, CAP_TS6,
                    ":%s TOPIC %s :%s",
                    source_p->name, chptr->chname,
                    chptr->topic);
      sendto_channel_local(ALL_MEMBERS, 0,
                           chptr, ":%s!%s@%s TOPIC %s :%s",
                           source_p->name,
                           source_p->username,
                           source_p->host,
                           chptr->chname, chptr->topic);
    }
    else
      sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
                 from, to, chptr->chname);
  }
  else /* only asking for topic */
  {
    if (!SecretChannel(chptr) || IsMember(source_p, chptr))
    {
      if (chptr->topic[0] == '\0')
        sendto_one(source_p, form_str(RPL_NOTOPIC),
                   from, to, chptr->chname);
      else
      {
        sendto_one(source_p, form_str(RPL_TOPIC),
                   from, to,
                   chptr->chname, chptr->topic);
        sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
                   from, to, chptr->chname,
                   chptr->topic_info,
                   chptr->topic_time);
      }
    }
    else
      sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
                 from, to, chptr->chname);
  }
}

static struct Message topic_msgtab = {
  "TOPIC", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_topic, m_topic, m_ignore, m_topic, m_ignore}
};

static void
module_init(void)
{
  mod_add_cmd(&topic_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&topic_msgtab);
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1751
Committed:	Wed Jan 16 18:30:52 2013 UTC (12 years, 7 months ago) by michael
Content type:	text/x-csrc
File size:	4639 byte(s)
Log Message:	- Forward-port -r1750 [IMPORTANT: nick and topic lengths are now configurable via ircd.conf. A max_nick_length, as well as a max_topic_length configuration option can now be found in the serverinfo{} block] - OpenSSL 0.9.8s and higher is now required in order to enable ssl support
#	User	Rev	Content
1	adx	30	/*
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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26	michael	1011	#include "list.h"
27	adx	30	#include "channel.h"
28			#include "channel_mode.h"
29			#include "client.h"
30			#include "hash.h"
31			#include "irc_string.h"
32			#include "sprintf_irc.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			#include "packet.h"
40
41
42			/* m_topic()
43			* parv[0] = sender prefix
44			* parv[1] = channel name
45			* parv[2] = new topic, if setting topic
46			*/
47			static void
48			m_topic(struct Client client_p, struct Client source_p,
49			int parc, char *parv[])
50			{
51			struct Channel *chptr = NULL;
52			const char from, to;
53
54			if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
55			{
56			from = me.id;
57			to = source_p->id;
58			}
59			else
60			{
61			from = me.name;
62			to = source_p->name;
63			}
64
65	michael	885	if (EmptyString(parv[1]))
66	adx	30	{
67			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
68			from, to, "TOPIC");
69			return;
70			}
71
72			if (MyClient(source_p) && !IsFloodDone(source_p))
73			flood_endgrace(source_p);
74
75	michael	895	if ((chptr = hash_find_channel(parv[1])) == NULL)
76	adx	30	{
77	michael	895	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
78			from, to, parv[1]);
79			return;
80			}
81
82			/* setting topic */
83			if (parc > 2)
84			{
85			struct Membership *ms;
86
87			if ((ms = find_channel_link(source_p, chptr)) == NULL)
88	adx	30	{
89	michael	895	sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from,
90			to, parv[1]);
91	michael	885	return;
92	adx	30	}
93
94	michael	895	if (!(chptr->mode.mode & MODE_TOPICLIMIT) \|\|
95			has_member_flags(ms, CHFL_CHANOP\|CHFL_HALFOP))
96	adx	30	{
97	michael	895	char topic_info[USERHOST_REPLYLEN];
98	michael	885
99	michael	1203	snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
100			source_p->username, source_p->host);
101	michael	1751	set_channel_topic(chptr, parv[2], topic_info, CurrentTime, !!MyClient(source_p));
102	adx	30
103	michael	1474	sendto_server(client_p, CAP_TS6, NOCAPS,
104	michael	895	":%s TOPIC %s :%s",
105			ID(source_p), chptr->chname,
106	michael	1203	chptr->topic);
107	michael	1474	sendto_server(client_p, NOCAPS, CAP_TS6,
108	michael	895	":%s TOPIC %s :%s",
109			source_p->name, chptr->chname,
110	michael	1203	chptr->topic);
111	michael	1011	sendto_channel_local(ALL_MEMBERS, 0,
112	michael	895	chptr, ":%s!%s@%s TOPIC %s :%s",
113			source_p->name,
114			source_p->username,
115			source_p->host,
116	michael	1203	chptr->chname, chptr->topic);
117	adx	30	}
118	michael	895	else
119			sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
120			from, to, chptr->chname);
121			}
122			else /* only asking for topic */
123			{
124			if (!SecretChannel(chptr) \|\| IsMember(source_p, chptr))
125	adx	30	{
126	michael	1203	if (chptr->topic[0] == '\0')
127	michael	895	sendto_one(source_p, form_str(RPL_NOTOPIC),
128			from, to, chptr->chname);
129	adx	30	else
130			{
131	michael	895	sendto_one(source_p, form_str(RPL_TOPIC),
132			from, to,
133			chptr->chname, chptr->topic);
134			sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
135			from, to, chptr->chname,
136			chptr->topic_info,
137			chptr->topic_time);
138	adx	30	}
139			}
140			else
141	michael	895	sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
142			from, to, chptr->chname);
143	adx	30	}
144			}
145	michael	1230
146			static struct Message topic_msgtab = {
147			"TOPIC", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
148			{m_unregistered, m_topic, m_topic, m_ignore, m_topic, m_ignore}
149			};
150
151			static void
152			module_init(void)
153			{
154			mod_add_cmd(&topic_msgtab);
155			}
156
157			static void
158			module_exit(void)
159			{
160			mod_del_cmd(&topic_msgtab);
161			}
162
163			struct module module_entry = {
164			.node = { NULL, NULL, NULL },
165			.name = NULL,
166			.version = "$Revision$",
167			.handle = NULL,
168			.modinit = module_init,
169			.modexit = module_exit,
170			.flags = 0
171			};