8.1.0beta1/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 "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 = "$Revision$";
#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:	31
Committed:	Sun Oct 2 20:34:05 2005 UTC (19 years, 10 months ago) by knight
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/modules/m_topic.c*
File size:	7293 byte(s)
Log Message:	- Fix svn:keywords
#	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			#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	knight	31	const char *_version = "$Revision$";
67	adx	30	#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			}