trunk/modules/m_topic.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 ircd-hybrid development team
 *
 *  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
 */

/*! \file m_topic.c
 * \brief Includes required functions for processing the TOPIC command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "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] = command
 *  parv[1] = channel name
 *  parv[2] = new topic, if setting topic
 */
static int
m_topic(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Channel *chptr = NULL;

  if (EmptyString(parv[1]))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "TOPIC");
    return 0;
  }

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

  if ((chptr = hash_find_channel(parv[1])) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
    return 0;
  }

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

    if ((ms = find_channel_link(source_p, chptr)) == NULL)
    {
      sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, parv[1]);
      return 0;
    }

    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, 1);

      sendto_server(client_p, NOCAPS, NOCAPS, ":%s TOPIC %s :%s",
                    ID(source_p), 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_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
  }
  else /* only asking for topic */
  {
    if (!SecretChannel(chptr) || IsMember(source_p, chptr))
    {
      if (chptr->topic[0] == '\0')
        sendto_one_numeric(source_p, &me, RPL_NOTOPIC, chptr->chname);
      else
      {
        sendto_one_numeric(source_p, &me, RPL_TOPIC,
                           chptr->chname, chptr->topic);
        sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, chptr->chname,
                           chptr->topic_info,
                           chptr->topic_time);
      }
    }
    else
      sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
  }

  return 0;
}

static int
ms_topic(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Channel *chptr = NULL;
  char topic_info[USERHOST_REPLYLEN];

  if (EmptyString(parv[1]))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "TOPIC");
    return 0;
  }

  if ((chptr = hash_find_channel(parv[1])) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
    return 0;
  }

  if (!IsClient(source_p))
    strlcpy(topic_info, source_p->name, sizeof(topic_info));
  else
    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, 0);

  sendto_server(client_p, NOCAPS, NOCAPS, ":%s TOPIC %s :%s",
                ID(source_p), chptr->chname,
                chptr->topic);

  if (!IsClient(source_p))
    sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s TOPIC %s :%s",
                         source_p->name,
                         chptr->chname, chptr->topic);

  else
    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);
  return 0;
}


static struct Message topic_msgtab =
{
  "TOPIC", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_topic, ms_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:	3135
Committed:	Mon Mar 10 21:11:25 2014 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	5411 byte(s)
Log Message:	- Server now no longer accepts TS5 links
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 1997-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* USA
20			*/
21
22	michael	2820	/*! \file m_topic.c
23			* \brief Includes required functions for processing the TOPIC command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "channel.h"
30			#include "channel_mode.h"
31			#include "client.h"
32			#include "hash.h"
33			#include "irc_string.h"
34			#include "ircd.h"
35			#include "numeric.h"
36			#include "send.h"
37			#include "s_serv.h"
38			#include "parse.h"
39			#include "modules.h"
40			#include "packet.h"
41
42
43			/* m_topic()
44	michael	3096	* parv[0] = command
45	adx	30	* parv[1] = channel name
46			* parv[2] = new topic, if setting topic
47			*/
48	michael	2820	static int
49	adx	30	m_topic(struct Client client_p, struct Client source_p,
50			int parc, char *parv[])
51			{
52			struct Channel *chptr = NULL;
53
54	michael	885	if (EmptyString(parv[1]))
55	adx	30	{
56	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "TOPIC");
57	michael	2820	return 0;
58	adx	30	}
59
60	michael	1799	if (!IsFloodDone(source_p))
61	adx	30	flood_endgrace(source_p);
62
63	michael	895	if ((chptr = hash_find_channel(parv[1])) == NULL)
64	adx	30	{
65	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
66	michael	2820	return 0;
67	michael	895	}
68
69			/* setting topic */
70			if (parc > 2)
71			{
72	michael	2520	const struct Membership *ms = NULL;
73	michael	895
74			if ((ms = find_channel_link(source_p, chptr)) == NULL)
75	adx	30	{
76	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, parv[1]);
77	michael	2820	return 0;
78	adx	30	}
79
80	michael	895	if (!(chptr->mode.mode & MODE_TOPICLIMIT) \|\|
81			has_member_flags(ms, CHFL_CHANOP\|CHFL_HALFOP))
82	adx	30	{
83	michael	2820	char topic_info[USERHOST_REPLYLEN];
84	michael	885
85	michael	1203	snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
86			source_p->username, source_p->host);
87	michael	1799	set_channel_topic(chptr, parv[2], topic_info, CurrentTime, 1);
88	adx	30
89	michael	3135	sendto_server(client_p, NOCAPS, NOCAPS, ":%s TOPIC %s :%s",
90	michael	895	ID(source_p), chptr->chname,
91	michael	1203	chptr->topic);
92	michael	1011	sendto_channel_local(ALL_MEMBERS, 0,
93	michael	895	chptr, ":%s!%s@%s TOPIC %s :%s",
94			source_p->name,
95			source_p->username,
96			source_p->host,
97	michael	1203	chptr->chname, chptr->topic);
98	adx	30	}
99	michael	895	else
100	michael	3109	sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
101	michael	895	}
102			else /* only asking for topic */
103			{
104			if (!SecretChannel(chptr) \|\| IsMember(source_p, chptr))
105	adx	30	{
106	michael	1203	if (chptr->topic[0] == '\0')
107	michael	3109	sendto_one_numeric(source_p, &me, RPL_NOTOPIC, chptr->chname);
108	adx	30	else
109			{
110	michael	3109	sendto_one_numeric(source_p, &me, RPL_TOPIC,
111			chptr->chname, chptr->topic);
112			sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, chptr->chname,
113			chptr->topic_info,
114			chptr->topic_time);
115	adx	30	}
116			}
117			else
118	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
119	adx	30	}
120	michael	2820
121			return 0;
122	adx	30	}
123	michael	1230
124	michael	2820	static int
125	michael	1799	ms_topic(struct Client client_p, struct Client source_p,
126			int parc, char *parv[])
127			{
128			struct Channel *chptr = NULL;
129			char topic_info[USERHOST_REPLYLEN];
130
131			if (EmptyString(parv[1]))
132			{
133	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "TOPIC");
134	michael	2820	return 0;
135	michael	1799	}
136
137			if ((chptr = hash_find_channel(parv[1])) == NULL)
138			{
139	michael	3109	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
140	michael	2820	return 0;
141	michael	1799	}
142
143			if (!IsClient(source_p))
144			strlcpy(topic_info, source_p->name, sizeof(topic_info));
145			else
146			snprintf(topic_info, sizeof(topic_info), "%s!%s@%s", source_p->name,
147			source_p->username, source_p->host);
148			set_channel_topic(chptr, parv[2], topic_info, CurrentTime, 0);
149
150	michael	3135	sendto_server(client_p, NOCAPS, NOCAPS, ":%s TOPIC %s :%s",
151	michael	1799	ID(source_p), chptr->chname,
152			chptr->topic);
153
154			if (!IsClient(source_p))
155			sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s TOPIC %s :%s",
156			source_p->name,
157			chptr->chname, chptr->topic);
158
159			else
160			sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s TOPIC %s :%s",
161			source_p->name,
162			source_p->username,
163			source_p->host,
164			chptr->chname, chptr->topic);
165	michael	2820	return 0;
166	michael	1799	}
167
168
169	michael	2820	static struct Message topic_msgtab =
170			{
171	michael	1230	"TOPIC", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
172	michael	2820	{ m_unregistered, m_topic, ms_topic, m_ignore, m_topic, m_ignore }
173	michael	1230	};
174
175			static void
176			module_init(void)
177			{
178			mod_add_cmd(&topic_msgtab);
179			}
180
181			static void
182			module_exit(void)
183			{
184			mod_del_cmd(&topic_msgtab);
185			}
186
187	michael	2820	struct module module_entry =
188			{
189	michael	1230	.node = { NULL, NULL, NULL },
190			.name = NULL,
191			.version = "$Revision$",
192			.handle = NULL,
193			.modinit = module_init,
194			.modexit = module_exit,
195			.flags = 0
196			};