modules/core/m_kick.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_kick.c
 * \brief Includes required functions for processing the KICK command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "modules.h"
#include "parse.h"
#include "hash.h"
#include "packet.h"
#include "s_serv.h"


/* m_kick()
 *  parv[0] = command
 *  parv[1] = channel
 *  parv[2] = client to kick
 *  parv[3] = kick comment
 */
static int
m_kick(struct Client *source_p, int parc, char *parv[])
{
  char reason[KICKLEN + 1] = "";
  struct Client *target_p = NULL;
  struct Channel *chptr = NULL;
  struct Membership *ms_source = NULL;
  struct Membership *ms_target = NULL;

  if (EmptyString(parv[2]))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "KICK");
    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;
  }

  if ((ms_source = find_channel_link(source_p, chptr)) == NULL)
  {
    sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
    return 0;
  }

  if (!has_member_flags(ms_source, CHFL_CHANOP|CHFL_HALFOP))
  {
    sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
    return 0;
  }

  if ((target_p = find_chasing(source_p, parv[2])) == NULL)
    return 0;  /* find_chasing sends ERR_NOSUCHNICK */

  if (!(ms_target = find_channel_link(target_p, chptr)))
  {
    sendto_one_numeric(source_p, &me, ERR_USERNOTINCHANNEL, target_p->name, chptr->chname);
    return 0;
  }

#ifdef HALFOPS
  /* half ops cannot kick other halfops on private channels */
  if (has_member_flags(ms_source, CHFL_HALFOP) && !has_member_flags(ms_source, CHFL_CHANOP))
  {
    if (((chptr->mode.mode & MODE_PRIVATE) && has_member_flags(ms_target,
         CHFL_CHANOP|CHFL_HALFOP)) || has_member_flags(ms_target, CHFL_CHANOP))
    {
      sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
      return 0;
    }
  }
#endif
  if (!EmptyString(parv[3]))
    strlcpy(reason, parv[3], sizeof(reason));
  else
    strlcpy(reason, source_p->name, sizeof(reason));

  sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s KICK %s %s :%s",
                       source_p->name, source_p->username,
                       source_p->host, chptr->chname,
                       target_p->name, reason);
  sendto_server(source_p, NOCAPS, NOCAPS, ":%s KICK %s %s :%s",
                source_p->id, chptr->chname,
                target_p->id, reason);
  remove_user_from_channel(ms_target);
  return 0;
}

/* ms_kick()
 *  parv[0] = command
 *  parv[1] = channel
 *  parv[2] = client to kick
 *  parv[3] = kick comment
 */
static int
ms_kick(struct Client *source_p, int parc, char *parv[])
{
  char reason[KICKLEN + 1] = "";
  struct Client *target_p = NULL;
  struct Channel *chptr = NULL;
  struct Membership *ms_target = NULL;

  if (EmptyString(parv[2]))
    return 0;

  if ((chptr = hash_find_channel(parv[1])) == NULL)
    return 0;

  if ((target_p = hash_find_id(parv[2])) == NULL || !IsClient(target_p))
    return 0;

  if ((ms_target = find_channel_link(target_p, chptr)) == NULL)
    return 0;

  if (!EmptyString(parv[3]))
    strlcpy(reason, parv[3], sizeof(reason));
  else
    strlcpy(reason, source_p->name, sizeof(reason));

  if (IsServer(source_p))
    sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s KICK %s %s :%s",
                         source_p->name, chptr->chname,
                         target_p->name, reason);
  else
    sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s KICK %s %s :%s",
                         source_p->name, source_p->username,
                         source_p->host, chptr->chname,
                         target_p->name, reason);

  sendto_server(source_p, NOCAPS, NOCAPS, ":%s KICK %s %s :%s",
                source_p->id, chptr->chname,
                target_p->id, reason);
  remove_user_from_channel(ms_target);
  return 0;
}

static struct Message kick_msgtab =
{
  "KICK", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_kick, ms_kick, m_ignore, m_kick, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&kick_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&kick_msgtab);
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = MODULE_FLAG_CORE
};
Revision:	3204
Committed:	Mon Mar 24 19:42:47 2014 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	5470 byte(s)
Log Message:	- m_kick.c: incorporate some of Adam's cleanups.
#	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_kick.c
23			* \brief Includes required functions for processing the KICK 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 "irc_string.h"
33			#include "ircd.h"
34			#include "numeric.h"
35			#include "send.h"
36			#include "modules.h"
37			#include "parse.h"
38			#include "hash.h"
39			#include "packet.h"
40			#include "s_serv.h"
41
42
43			/* m_kick()
44	michael	3096	* parv[0] = command
45	adx	30	* parv[1] = channel
46			* parv[2] = client to kick
47			* parv[3] = kick comment
48			*/
49	michael	2820	static int
50	michael	3156	m_kick(struct Client source_p, int parc, char parv[])
51	adx	30	{
52	michael	3198	char reason[KICKLEN + 1] = "";
53	michael	3196	struct Client *target_p = NULL;
54	michael	3198	struct Channel *chptr = NULL;
55			struct Membership *ms_source = NULL;
56			struct Membership *ms_target = NULL;
57	adx	30
58	michael	885	if (EmptyString(parv[2]))
59	adx	30	{
60	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "KICK");
61	michael	2820	return 0;
62	adx	30	}
63
64	michael	3204	if (!IsFloodDone(source_p))
65	adx	30	flood_endgrace(source_p);
66
67	michael	3198	if ((chptr = hash_find_channel(parv[1])) == NULL)
68	adx	30	{
69	michael	3198	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
70	michael	2820	return 0;
71	adx	30	}
72
73	michael	3204	if ((ms_source = find_channel_link(source_p, chptr)) == NULL)
74	adx	30	{
75	michael	3204	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->chname);
76			return 0;
77			}
78	adx	30
79	michael	3204	if (!has_member_flags(ms_source, CHFL_CHANOP\|CHFL_HALFOP))
80			{
81			sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
82			return 0;
83	adx	30	}
84
85	michael	3198	if ((target_p = find_chasing(source_p, parv[2])) == NULL)
86	michael	3204	return 0; /* find_chasing sends ERR_NOSUCHNICK */
87
88			if (!(ms_target = find_channel_link(target_p, chptr)))
89			{
90			sendto_one_numeric(source_p, &me, ERR_USERNOTINCHANNEL, target_p->name, chptr->chname);
91	michael	2820	return 0;
92	michael	3204	}
93	adx	30
94	michael	3204	#ifdef HALFOPS
95			/* half ops cannot kick other halfops on private channels */
96			if (has_member_flags(ms_source, CHFL_HALFOP) && !has_member_flags(ms_source, CHFL_CHANOP))
97	adx	30	{
98	michael	3204	if (((chptr->mode.mode & MODE_PRIVATE) && has_member_flags(ms_target,
99			CHFL_CHANOP\|CHFL_HALFOP)) \|\| has_member_flags(ms_target, CHFL_CHANOP))
100	adx	30	{
101	michael	3204	sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, chptr->chname);
102			return 0;
103	adx	30	}
104	michael	3204	}
105	adx	30	#endif
106	michael	3204	if (!EmptyString(parv[3]))
107			strlcpy(reason, parv[3], sizeof(reason));
108			else
109			strlcpy(reason, source_p->name, sizeof(reason));
110	adx	30
111	michael	3204	sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s KICK %s %s :%s",
112			source_p->name, source_p->username,
113			source_p->host, chptr->chname,
114			target_p->name, reason);
115			sendto_server(source_p, NOCAPS, NOCAPS, ":%s KICK %s %s :%s",
116			source_p->id, chptr->chname,
117			target_p->id, reason);
118			remove_user_from_channel(ms_target);
119			return 0;
120			}
121	adx	30
122	michael	3204	/* ms_kick()
123			* parv[0] = command
124			* parv[1] = channel
125			* parv[2] = client to kick
126			* parv[3] = kick comment
127			*/
128			static int
129			ms_kick(struct Client source_p, int parc, char parv[])
130			{
131			char reason[KICKLEN + 1] = "";
132			struct Client *target_p = NULL;
133			struct Channel *chptr = NULL;
134			struct Membership *ms_target = NULL;
135
136			if (EmptyString(parv[2]))
137			return 0;
138
139			if ((chptr = hash_find_channel(parv[1])) == NULL)
140			return 0;
141
142			if ((target_p = hash_find_id(parv[2])) == NULL \|\| !IsClient(target_p))
143			return 0;
144
145			if ((ms_target = find_channel_link(target_p, chptr)) == NULL)
146			return 0;
147
148			if (!EmptyString(parv[3]))
149			strlcpy(reason, parv[3], sizeof(reason));
150	adx	30	else
151	michael	3204	strlcpy(reason, source_p->name, sizeof(reason));
152	michael	3109
153	michael	3204	if (IsServer(source_p))
154			sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s KICK %s %s :%s",
155			source_p->name, chptr->chname,
156			target_p->name, reason);
157			else
158			sendto_channel_local(ALL_MEMBERS, 0, chptr, ":%s!%s@%s KICK %s %s :%s",
159			source_p->name, source_p->username,
160			source_p->host, chptr->chname,
161			target_p->name, reason);
162
163			sendto_server(source_p, NOCAPS, NOCAPS, ":%s KICK %s %s :%s",
164			source_p->id, chptr->chname,
165			target_p->id, reason);
166			remove_user_from_channel(ms_target);
167	michael	2820	return 0;
168	adx	30	}
169	michael	1230
170	michael	2820	static struct Message kick_msgtab =
171			{
172	michael	1230	"KICK", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
173	michael	3204	{ m_unregistered, m_kick, ms_kick, m_ignore, m_kick, m_ignore }
174	michael	1230	};
175
176			static void
177			module_init(void)
178			{
179			mod_add_cmd(&kick_msgtab);
180			}
181
182			static void
183			module_exit(void)
184			{
185			mod_del_cmd(&kick_msgtab);
186			}
187
188	michael	2820	struct module module_entry =
189			{
190	michael	1230	.node = { NULL, NULL, NULL },
191			.name = NULL,
192			.version = "$Revision$",
193			.handle = NULL,
194			.modinit = module_init,
195			.modexit = module_exit,
196			.flags = MODULE_FLAG_CORE
197			};