modules/core/m_part.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_part.c: Parts a user from a channel.
 *
 *  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 "list.h"
#include "handlers.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "common.h"  
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_serv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "packet.h"

static void m_part(struct Client *, struct Client *, int, char *[]);

struct Message part_msgtab = {
  "PART", 0, 0, 2, 0, MFLG_SLOW, 0,
  { m_unregistered, m_part, m_part, m_ignore, m_part, m_ignore }
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&part_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&part_msgtab);
}

const char *_version = "$Revision$";
#endif


/* part_one_client()
 *
 * inputs       - pointer to server
 *              - pointer to source client to remove
 *              - char pointer of name of channel to remove from
 * output       - none
 * side effects - remove ONE client given the channel name 
 */
static void
part_one_client(struct Client *client_p, struct Client *source_p,
                const char *name, const char *reason)
{
  struct Channel *chptr = NULL;
  struct Membership *ms = NULL;

  if ((chptr = hash_find_channel(name)) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               me.name, source_p->name, name);
    return;
  }

  if ((ms = find_channel_link(source_p, chptr)) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
               me.name, source_p->name, name);
    return;
  }

  if (MyConnect(source_p) && !IsOper(source_p))
    check_spambot_warning(source_p, NULL);

  /*
   *  Remove user from the old channel (if any)
   *  only allow /part reasons in -m chans
   */
  if (reason[0] && (!MyConnect(source_p) ||
      ((can_send(chptr, source_p, ms) &&
       (source_p->firsttime + ConfigFileEntry.anti_spam_exit_message_time)
        < CurrentTime))))
  {
    sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
                  ":%s PART %s :%s", ID(source_p), chptr->chname,
                  reason);
    sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
                  ":%s PART %s :%s", source_p->name, chptr->chname,
                  reason);
    sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s :%s",
                         source_p->name, source_p->username,
                         source_p->host, chptr->chname, reason);
  }
  else
  {
    sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
                  ":%s PART %s", ID(source_p), chptr->chname);
    sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
                  ":%s PART %s", source_p->name, chptr->chname);
    sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s",
                         source_p->name, source_p->username,
                         source_p->host, chptr->chname);
  }

  remove_user_from_channel(ms);
}

/*
** m_part
**      parv[0] = sender prefix
**      parv[1] = channel
**      parv[2] = reason
*/
static void
m_part(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  char *p = NULL, *name = NULL;
  char reason[KICKLEN + 1] = { '\0' };

  if (IsServer(source_p))
    return;

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "PART");
    return;
  }

  if (parc > 2)
    strlcpy(reason, parv[2], sizeof(reason));

  /* Finish the flood grace period... */
  if (MyClient(source_p) && !IsFloodDone(source_p))
    flood_endgrace(source_p);

  for (name = strtoken(&p, parv[1], ","); name;
       name = strtoken(&p,    NULL, ","))
    part_one_client(client_p, source_p, name, reason);
}
Revision:	1029
Committed:	Sun Nov 8 13:10:50 2009 UTC (16 years, 11 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.3/modules/core/m_part.c*
File size:	4610 byte(s)
Log Message:	- branch off trunk to create 7.3 branch
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_part.c: Parts a user from a channel.
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	michael	1011	#include "list.h"
27	adx	30	#include "handlers.h"
28			#include "channel.h"
29			#include "channel_mode.h"
30			#include "client.h"
31			#include "common.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 "msg.h"
39			#include "parse.h"
40			#include "modules.h"
41			#include "s_conf.h"
42			#include "packet.h"
43
44			static void m_part(struct Client , struct Client , int, char *[]);
45
46			struct Message part_msgtab = {
47			"PART", 0, 0, 2, 0, MFLG_SLOW, 0,
48			{ m_unregistered, m_part, m_part, m_ignore, m_part, m_ignore }
49			};
50
51			#ifndef STATIC_MODULES
52			void
53			_modinit(void)
54			{
55			mod_add_cmd(&part_msgtab);
56			}
57
58			void
59			_moddeinit(void)
60			{
61			mod_del_cmd(&part_msgtab);
62			}
63
64	knight	31	const char *_version = "$Revision$";
65	adx	30	#endif
66
67
68			/* part_one_client()
69			*
70			* inputs - pointer to server
71			* - pointer to source client to remove
72			* - char pointer of name of channel to remove from
73			* output - none
74			* side effects - remove ONE client given the channel name
75			*/
76			static void
77			part_one_client(struct Client client_p, struct Client source_p,
78	michael	885	const char name, const char reason)
79	adx	30	{
80			struct Channel *chptr = NULL;
81			struct Membership *ms = NULL;
82
83			if ((chptr = hash_find_channel(name)) == NULL)
84			{
85			sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
86			me.name, source_p->name, name);
87			return;
88			}
89
90			if ((ms = find_channel_link(source_p, chptr)) == NULL)
91			{
92			sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
93			me.name, source_p->name, name);
94			return;
95			}
96
97			if (MyConnect(source_p) && !IsOper(source_p))
98			check_spambot_warning(source_p, NULL);
99
100			/*
101			* Remove user from the old channel (if any)
102			* only allow /part reasons in -m chans
103			*/
104			if (reason[0] && (!MyConnect(source_p) \|\|
105	michael	454	((can_send(chptr, source_p, ms) &&
106	adx	30	(source_p->firsttime + ConfigFileEntry.anti_spam_exit_message_time)
107			< CurrentTime))))
108			{
109	michael	885	sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
110	adx	30	":%s PART %s :%s", ID(source_p), chptr->chname,
111			reason);
112	michael	885	sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
113	adx	30	":%s PART %s :%s", source_p->name, chptr->chname,
114			reason);
115			sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s :%s",
116			source_p->name, source_p->username,
117			source_p->host, chptr->chname, reason);
118			}
119			else
120			{
121	michael	885	sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
122	adx	30	":%s PART %s", ID(source_p), chptr->chname);
123	michael	885	sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
124	adx	30	":%s PART %s", source_p->name, chptr->chname);
125			sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s PART %s",
126			source_p->name, source_p->username,
127			source_p->host, chptr->chname);
128			}
129
130			remove_user_from_channel(ms);
131			}
132
133			/*
134			** m_part
135			** parv[0] = sender prefix
136			** parv[1] = channel
137			** parv[2] = reason
138			*/
139			static void
140			m_part(struct Client client_p, struct Client source_p,
141			int parc, char *parv[])
142			{
143	michael	875	char p = NULL, name = NULL;
144	michael	885	char reason[KICKLEN + 1] = { '\0' };
145	adx	30
146			if (IsServer(source_p))
147			return;
148
149	michael	885	if (EmptyString(parv[1]))
150	adx	30	{
151			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
152			me.name, source_p->name, "PART");
153			return;
154			}
155
156			if (parc > 2)
157			strlcpy(reason, parv[2], sizeof(reason));
158
159			/* Finish the flood grace period... */
160			if (MyClient(source_p) && !IsFloodDone(source_p))
161			flood_endgrace(source_p);
162
163	michael	885	for (name = strtoken(&p, parv[1], ","); name;
164			name = strtoken(&p, NULL, ","))
165	adx	30	part_one_client(client_p, source_p, name, reason);
166			}