ircd-hybrid-7.2/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 (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 (IsChanPrefix(*parv[1]))
  {
    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)
    {
      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, chptr, CAP_TS6, NOCAPS,
                      ":%s TOPIC %s :%s",
                      ID(source_p), chptr->chname,
                      chptr->topic == NULL ? "" : chptr->topic);
        sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
                      ":%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);

          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:	885
Committed:	Wed Oct 31 18:09:24 2007 UTC (18 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	6264 byte(s)
Log Message:	- Removed LazyLinks in 7.2 to stop people from asking why we keep broken code for half a decade. LL will be implemented in a smarter fashion in due time
#	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	michael	885	if (EmptyString(parv[1]))
98	adx	30	{
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	michael	885	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
112			from, to, parv[1]);
113			return;
114	adx	30	}
115
116			/* setting topic */
117			if (parc > 2)
118			{
119			if ((ms = find_channel_link(source_p, chptr)) == NULL)
120			{
121			sendto_one(source_p, form_str(ERR_NOTONCHANNEL), from,
122			to, parv[1]);
123			return;
124			}
125	michael	885
126	adx	30	if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 \|\|
127			has_member_flags(ms, CHFL_CHANOP\|CHFL_HALFOP))
128			{
129			char topic_info[USERHOST_REPLYLEN];
130			ircsprintf(topic_info, "%s!%s@%s",
131			source_p->name, source_p->username, source_p->host);
132			set_channel_topic(chptr, parv[2], topic_info, CurrentTime);
133
134	michael	885	sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
135	adx	30	":%s TOPIC %s :%s",
136			ID(source_p), chptr->chname,
137			chptr->topic == NULL ? "" : chptr->topic);
138	michael	885	sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
139	adx	30	":%s TOPIC %s :%s",
140			source_p->name, chptr->chname,
141			chptr->topic == NULL ? "" : chptr->topic);
142			sendto_channel_local(ALL_MEMBERS, NO,
143			chptr, ":%s!%s@%s TOPIC %s :%s",
144			source_p->name,
145			source_p->username,
146			source_p->host,
147			chptr->chname, chptr->topic == NULL ?
148			"" : chptr->topic);
149			}
150			else
151			sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
152			from, to, chptr->chname);
153			}
154			else /* only asking for topic */
155			{
156			if (!SecretChannel(chptr) \|\| IsMember(source_p, chptr))
157			{
158			if (chptr->topic == NULL)
159			sendto_one(source_p, form_str(RPL_NOTOPIC),
160			from, to, chptr->chname);
161			else
162			{
163			sendto_one(source_p, form_str(RPL_TOPIC),
164			from, to,
165			chptr->chname, chptr->topic);
166
167	michael	885	sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
168			from, to, chptr->chname,
169			chptr->topic_info,
170			chptr->topic_time);
171	adx	30	}
172			}
173			else
174			{
175			sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
176			from, to, chptr->chname);
177			return;
178			}
179			}
180			}
181			else
182			{
183			sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
184			from, to, parv[1]);
185			}
186			}
187
188			/*
189			* ms_topic
190			* parv[0] = sender prefix
191			* parv[1] = channel name
192			* parv[2] = topic_info
193			* parv[3] = topic_info time
194			* parv[4] = new channel topic
195			*
196			* Let servers always set a topic
197			*/
198			static void
199			ms_topic(struct Client client_p, struct Client source_p,
200			int parc, char *parv[])
201			{
202			struct Channel *chptr = NULL;
203
204			if (!IsServer(source_p))
205			{
206			m_topic(client_p, source_p, parc, parv);
207			return;
208			}
209
210			if (parc < 5)
211			return;
212
213			if (parv[1] && IsChanPrefix(*parv[1]))
214			{
215			if ((chptr = hash_find_channel(parv[1])) == NULL)
216			return;
217
218			set_channel_topic(chptr, parv[4], parv[2], atoi(parv[3]));
219
220			if (ConfigServerHide.hide_servers)
221			{
222	michael	885	sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s TOPIC %s :%s",
223	adx	30	me.name, chptr->chname,
224			chptr->topic == NULL ? "" : chptr->topic);
225
226			}
227			else
228			{
229	michael	885	sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s TOPIC %s :%s",
230			source_p->name, chptr->chname,
231			chptr->topic == NULL ? "" : chptr->topic);
232	adx	30	}
233			}
234			}