ircd-hybrid-8/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: m_topic.c,v 1.71 2005/08/16 07:33:24 adx Exp $
 */

#include "stdinc.h"
#include "tools.h"
#include "handlers.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_conf.h"
#include "s_serv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "packet.h"
#include "common.h"

static void m_topic(struct Client *, struct Client *, int, char **);
static void ms_topic(struct Client *, struct Client *, int, char **);

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

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&topic_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&topic_msgtab);
}

const char *_version = "$Revision: 1.71 $";
#endif

/* 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;
  char *p;
  struct Membership *ms;
  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 ((p = strchr(parv[1], ',')) != NULL)
    *p = '\0';

  if (parv[1][0] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               from, to, "TOPIC");
    return;
  }

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

  if (IsChanPrefix(*parv[1]))
  {
    if ((chptr = hash_find_channel(parv[1])) == NULL)
    {
      /* if chptr isn't found locally, it =could= exist
       * on the uplink. so forward reqeuest
       */
      if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL))
      {
        sendto_one(uplink, ":%s TOPIC %s %s",
                   ID_or_name(source_p, uplink), chptr->chname,
                   ((parc > 2) ? parv[2] : ""));
        return;
      }
      else
      {
        sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
                   from, to, parv[1]);
        return;
      }
    }

    /* setting topic */
    if (parc > 2)
    {
      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) == 0 ||
          has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
      {
        char topic_info[USERHOST_REPLYLEN]; 
        ircsprintf(topic_info, "%s!%s@%s",
                   source_p->name, source_p->username, source_p->host);
        set_channel_topic(chptr, parv[2], topic_info, CurrentTime);

        sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS,
                      ":%s TOPIC %s :%s",
                      ID(source_p), chptr->chname,
                      chptr->topic == NULL ? "" : chptr->topic);
        sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS,
                      ":%s TOPIC %s :%s",
                      source_p->name, chptr->chname,
                      chptr->topic == NULL ? "" : chptr->topic);
        sendto_channel_local(ALL_MEMBERS, NO,
                             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),
                   from, to, chptr->chname);
    }
    else /* only asking for topic */
    {
      if (!SecretChannel(chptr) || IsMember(source_p, chptr))
      {
        if (chptr->topic == NULL)
          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);

          /* client on LL needing the topic - if we have serverhide, say
           * its the actual LL server that set the topic, not us the
           * uplink -- fl_
           */
          if (ConfigServerHide.hide_servers && !MyClient(source_p)
              && IsCapable(client_p, CAP_LL) && ServerInfo.hub)
          {
            sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
                       from, to, chptr->chname,
                       client_p->name, chptr->topic_time);
          }
          else
          {
            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);
        return;
      }
    }
  }
  else
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               from, to, parv[1]);
  }
}

/*
 * ms_topic
 *      parv[0] = sender prefix
 *      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 void
ms_topic(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Channel *chptr = NULL;

  if (!IsServer(source_p))
  {
    m_topic(client_p, source_p, parc, parv);
    return;
  }

  if (parc < 5)
    return;

  if (parv[1] && IsChanPrefix(*parv[1]))
  {
    if ((chptr = hash_find_channel(parv[1])) == NULL)
      return;

    set_channel_topic(chptr, parv[4], parv[2], atoi(parv[3]));

    if (ConfigServerHide.hide_servers)
    {
      sendto_channel_local(ALL_MEMBERS, NO,
                           chptr, ":%s TOPIC %s :%s",
                           me.name, chptr->chname,
                           chptr->topic == NULL ? "" : chptr->topic);

    }
    else
    {
      sendto_channel_local(ALL_MEMBERS, NO,
                           chptr, ":%s TOPIC %s :%s",
                           source_p->name,
                           chptr->chname, chptr->topic == NULL ? "" : chptr->topic);
    }
  }
}
Revision:	30
Committed:	Sun Oct 2 20:03:27 2005 UTC (19 years, 10 months ago) by adx
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/modules/m_topic.c*
File size:	7347 byte(s)
Log Message:	- imported sources - can be moved later according to the directory/branching scheme, but we need the svn up
#	Content
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: m_topic.c,v 1.71 2005/08/16 07:33:24 adx Exp $
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: 1.71 $";
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	}