ircd-hybrid/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 "handlers.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "hash.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:	69
Committed:	Tue Oct 4 16:09:51 2005 UTC (20 years, 10 months ago) by adx
Content type:	text/x-csrc
File size:	7225 byte(s)
Log Message:	- splitted ircd/libio, all headers connected with libio sources have been moved for internal use only. To use libio interface, include "libio.h" (which is already done in "stdinc.h")
#	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 "handlers.h"
27			#include "channel.h"
28			#include "channel_mode.h"
29			#include "client.h"
30			#include "hash.h"
31			#include "ircd.h"
32			#include "numeric.h"
33			#include "send.h"
34			#include "s_conf.h"
35			#include "s_serv.h"
36			#include "msg.h"
37			#include "parse.h"
38			#include "modules.h"
39			#include "packet.h"
40			#include "common.h"
41
42			static void m_topic(struct Client , struct Client , int, char **);
43			static void ms_topic(struct Client , struct Client , int, char **);
44
45			struct Message topic_msgtab = {
46			"TOPIC", 0, 0, 2, 0, MFLG_SLOW, 0,
47			{m_unregistered, m_topic, ms_topic, m_ignore, m_topic, m_ignore}
48			};
49
50			#ifndef STATIC_MODULES
51			void
52			_modinit(void)
53			{
54			mod_add_cmd(&topic_msgtab);
55			}
56
57			void
58			_moddeinit(void)
59			{
60			mod_del_cmd(&topic_msgtab);
61			}
62
63	knight	31	const char *_version = "$Revision$";
64	adx	30	#endif
65
66			/* m_topic()
67			* parv[0] = sender prefix
68			* parv[1] = channel name
69			* parv[2] = new topic, if setting topic
70			*/
71			static void
72			m_topic(struct Client client_p, struct Client source_p,
73			int parc, char *parv[])
74			{
75			struct Channel *chptr = NULL;
76			char *p;
77			struct Membership *ms;
78			const char from, to;
79
80			if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
81			{
82			from = me.id;
83			to = source_p->id;
84			}
85			else
86			{
87			from = me.name;
88			to = source_p->name;
89			}
90
91			if ((p = strchr(parv[1], ',')) != NULL)
92			*p = '\0';
93
94			if (parv[1][0] == '\0')
95			{
96			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
97			from, to, "TOPIC");
98			return;
99			}
100
101			if (MyClient(source_p) && !IsFloodDone(source_p))
102			flood_endgrace(source_p);
103
104			if (IsChanPrefix(*parv[1]))
105			{
106			if ((chptr = hash_find_channel(parv[1])) == NULL)
107			{
108			/* if chptr isn't found locally, it =could= exist
109			* on the uplink. so forward reqeuest
110			*/
111			if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL))
112			{
113			sendto_one(uplink, ":%s TOPIC %s %s",
114			ID_or_name(source_p, uplink), chptr->chname,
115			((parc > 2) ? parv[2] : ""));
116			return;
117			}
118			else
119			{
120			sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
121			from, to, parv[1]);
122			return;
123			}
124			}
125
126			/* setting topic */
127			if (parc > 2)
128			{
129			if ((ms = find_channel_link(source_p, chptr)) == NULL)
130			{
131			sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from,
132			to, parv[1]);
133			return;
134			}
135			if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 \|\|
136			has_member_flags(ms, CHFL_CHANOP\|CHFL_HALFOP))
137			{
138			char topic_info[USERHOST_REPLYLEN];
139			ircsprintf(topic_info, "%s!%s@%s",
140			source_p->name, source_p->username, source_p->host);
141			set_channel_topic(chptr, parv[2], topic_info, CurrentTime);
142
143			sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS,
144			":%s TOPIC %s :%s",
145			ID(source_p), chptr->chname,
146			chptr->topic == NULL ? "" : chptr->topic);
147			sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS,
148			":%s TOPIC %s :%s",
149			source_p->name, chptr->chname,
150			chptr->topic == NULL ? "" : chptr->topic);
151			sendto_channel_local(ALL_MEMBERS, NO,
152			chptr, ":%s!%s@%s TOPIC %s :%s",
153			source_p->name,
154			source_p->username,
155			source_p->host,
156			chptr->chname, chptr->topic == NULL ?
157			"" : chptr->topic);
158			}
159			else
160			sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
161			from, to, chptr->chname);
162			}
163			else /* only asking for topic */
164			{
165			if (!SecretChannel(chptr) \|\| IsMember(source_p, chptr))
166			{
167			if (chptr->topic == NULL)
168			sendto_one(source_p, form_str(RPL_NOTOPIC),
169			from, to, chptr->chname);
170			else
171			{
172			sendto_one(source_p, form_str(RPL_TOPIC),
173			from, to,
174			chptr->chname, chptr->topic);
175
176			/* client on LL needing the topic - if we have serverhide, say
177			* its the actual LL server that set the topic, not us the
178			* uplink -- fl_
179			*/
180			if (ConfigServerHide.hide_servers && !MyClient(source_p)
181			&& IsCapable(client_p, CAP_LL) && ServerInfo.hub)
182			{
183			sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
184			from, to, chptr->chname,
185			client_p->name, chptr->topic_time);
186			}
187			else
188			{
189			sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
190			from, to, chptr->chname,
191			chptr->topic_info,
192			chptr->topic_time);
193			}
194			}
195			}
196			else
197			{
198			sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
199			from, to, chptr->chname);
200			return;
201			}
202			}
203			}
204			else
205			{
206			sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
207			from, to, parv[1]);
208			}
209			}
210
211			/*
212			* ms_topic
213			* parv[0] = sender prefix
214			* parv[1] = channel name
215			* parv[2] = topic_info
216			* parv[3] = topic_info time
217			* parv[4] = new channel topic
218			*
219			* Let servers always set a topic
220			*/
221			static void
222			ms_topic(struct Client client_p, struct Client source_p,
223			int parc, char *parv[])
224			{
225			struct Channel *chptr = NULL;
226
227			if (!IsServer(source_p))
228			{
229			m_topic(client_p, source_p, parc, parv);
230			return;
231			}
232
233			if (parc < 5)
234			return;
235
236			if (parv[1] && IsChanPrefix(*parv[1]))
237			{
238			if ((chptr = hash_find_channel(parv[1])) == NULL)
239			return;
240
241			set_channel_topic(chptr, parv[4], parv[2], atoi(parv[3]));
242
243			if (ConfigServerHide.hide_servers)
244			{
245			sendto_channel_local(ALL_MEMBERS, NO,
246			chptr, ":%s TOPIC %s :%s",
247			me.name, chptr->chname,
248			chptr->topic == NULL ? "" : chptr->topic);
249
250			}
251			else
252			{
253			sendto_channel_local(ALL_MEMBERS, NO,
254			chptr, ":%s TOPIC %s :%s",
255			source_p->name,
256			chptr->chname, chptr->topic == NULL ? "" : chptr->topic);
257			}
258			}
259			}