ircd-hybrid-8/contrib/m_killhost.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_killhost.c: Kills a users with agree host.
 *
 *  Copyright (C) 2002 by Ilya Shtift.
 *
 *  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 "client.h"
#include "common.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_log.h"
#include "s_serv.h"
#include "s_conf.h"
#include "send.h"
#include "whowas.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "msg.h"
#include "parse.h"
#include "channel_mode.h"    /* needed only for split_nuh() */
#include "modules.h"

static void mo_killhost(struct Client *, struct Client *, int, char *[]);
static void kh_relay_kill(struct Client *, struct Client *, struct Client *,
                          const char *, const char *);

struct Message killhost_msgtab = {
  "KILLHOST", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_ignore, m_ignore, m_ignore, mo_killhost, m_ignore }
};

void
_modinit(void)
{
  mod_add_cmd(&killhost_msgtab);
}

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

const char *_version = "$Revision$";

/* mo_killhost()
 * Created May 5, 2003
 * common (Ilya Shtift) ishtift@tagil.svrw.ru
 *
 *      parv[0] = sender prefix
 *      parv[1] = host
 *      parv[2] = reason
 */
static void
mo_killhost(struct Client *client_p, struct Client *source_p,
            int parc, char *parv[])
{
  dlink_node *ptr = NULL, *ptr_next = NULL;
  struct Client *target_p = NULL;
  const char *inpath = client_p->name;
  char *reason = NULL;
  char bufhost[IRCD_BUFSIZE];
  char nick[NICKLEN + 1];
  char user[USERLEN + 1];
  char host[HOSTLEN + 1];
  char def_reason[] = "No reason";
  unsigned int count = 0;
  struct split_nuh_item nuh;

  if (!(IsOperK(source_p) || IsOperGlobalKill(source_p)))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVILEGES),
               me.name, source_p->name);
    return;
  }

  nuh.nuhmask  = parv[1];
  nuh.nickptr  = nick;
  nuh.userptr  = user;
  nuh.hostptr  = host;

  nuh.nicksize = sizeof(nick);
  nuh.usersize = sizeof(user);
  nuh.hostsize = sizeof(host);

  split_nuh(&nuh);

  if (!valid_wild_card(source_p, YES, 3, nick, user, host))
    return;

  if (!EmptyString(parv[2]))
  {
    reason = parv[2];
    if (strlen(reason) > (size_t)KILLLEN)
      reason[KILLLEN] = '\0';
  }
  else
    reason = def_reason;

  DLINK_FOREACH_SAFE(ptr, ptr_next, global_client_list.head)
  {
    target_p = ptr->data;

    if (!IsClient(target_p) || (source_p == target_p))
      continue;

    if (!MyConnect(target_p) && !IsOperGlobalKill(source_p))
      continue;

    if (match(nick, target_p->name) &&
        match(user, target_p->username) &&
        match(host, target_p->host))
    {
      if (MyConnect(target_p))
        sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
                   source_p->name, source_p->username, source_p->host,
                   target_p->name, reason);

      sendto_realops_flags(UMODE_ALL, L_ALL,
                           "Received KILL message for %s. From %s Path: %s (%s)",
                           target_p->name, source_p->name, me.name, reason);

      ilog(L_INFO,"KILL From %s For %s Path %s (%s)",
           source_p->name, target_p->name, me.name, reason);

      if (!MyConnect(target_p))
      {
        kh_relay_kill(client_p, source_p, target_p, inpath, reason);
        SetKilled(target_p);
      }

      if (!count++)
        ircsprintf(bufhost, "Killed (%s (%s))", source_p->name, reason);

      exit_client(target_p, source_p, bufhost);
    }
  }

  if (count > 0)
    sendto_wallops_flags(UMODE_OPERWALL, source_p, "OPERWALL - KILLHOST %s %s",
                         host, reason);

  sendto_one(source_p,":%s NOTICE %s :%u clients killed",
             me.name, source_p->name, count);
}

static void
kh_relay_kill(struct Client *one, struct Client *source_p, struct Client *target_p,
              const char *inpath, const char *reason)
{
  dlink_node *ptr;
  struct Client *client_p;
  char *user; 
  
  DLINK_FOREACH(ptr, serv_list.head)
  {
    client_p = ptr->data;
    
    if (client_p == one)
      continue;

    /* check the server supports TS6 */
    if (IsCapable(client_p, CAP_TS6))
      user = ID(target_p);
    else
      user = target_p->name;

    if (MyClient(source_p))
    {
      sendto_one(client_p, ":%s KILL %s :%s!%s!%s!%s (%s)",
                 source_p->name, user,
                 me.name, source_p->host, source_p->username,
                 source_p->name, reason);
    }
    else
    {
      sendto_one(client_p, ":%s KILL %s :%s %s",
                 source_p->name, user,
                 inpath, reason);
    }
  }
}
Revision:	1178
Committed:	Mon Aug 15 08:11:31 2011 UTC (15 years, 2 months ago) by michael
Content type:	text/x-csrc
File size:	5379 byte(s)
Log Message:	- Cleanup and restore older parts of the irc-command parser. Gives back ability to specify maximum amount of parameters that are processed within a command.
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_killhost.c: Kills a users with agree host.
4			*
5			* Copyright (C) 2002 by Ilya Shtift.
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
26			#include "stdinc.h"
27			#include "handlers.h"
28			#include "client.h"
29			#include "common.h"
30			#include "hash.h"
31			#include "ircd.h"
32			#include "numeric.h"
33			#include "s_log.h"
34			#include "s_serv.h"
35			#include "s_conf.h"
36			#include "send.h"
37			#include "whowas.h"
38			#include "irc_string.h"
39			#include "sprintf_irc.h"
40			#include "msg.h"
41			#include "parse.h"
42			#include "channel_mode.h" /* needed only for split_nuh() */
43			#include "modules.h"
44
45			static void mo_killhost(struct Client , struct Client , int, char *[]);
46			static void kh_relay_kill(struct Client , struct Client , struct Client *,
47			const char , const char );
48
49			struct Message killhost_msgtab = {
50	michael	1178	"KILLHOST", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
51	adx	30	{ m_unregistered, m_ignore, m_ignore, m_ignore, mo_killhost, m_ignore }
52			};
53
54			void
55			_modinit(void)
56			{
57			mod_add_cmd(&killhost_msgtab);
58			}
59
60			void
61			_moddeinit(void)
62			{
63			mod_del_cmd(&killhost_msgtab);
64			}
65
66	knight	31	const char *_version = "$Revision$";
67	adx	30
68			/* mo_killhost()
69			* Created May 5, 2003
70			* common (Ilya Shtift) ishtift@tagil.svrw.ru
71			*
72			* parv[0] = sender prefix
73			* parv[1] = host
74			* parv[2] = reason
75			*/
76			static void
77			mo_killhost(struct Client client_p, struct Client source_p,
78			int parc, char *parv[])
79			{
80			dlink_node ptr = NULL, ptr_next = NULL;
81			struct Client *target_p = NULL;
82			const char *inpath = client_p->name;
83			char *reason = NULL;
84			char bufhost[IRCD_BUFSIZE];
85	michael	620	char nick[NICKLEN + 1];
86			char user[USERLEN + 1];
87			char host[HOSTLEN + 1];
88	michael	593	char def_reason[] = "No reason";
89	adx	30	unsigned int count = 0;
90	michael	593	struct split_nuh_item nuh;
91	adx	30
92			if (!(IsOperK(source_p) \|\| IsOperGlobalKill(source_p)))
93			{
94			sendto_one(source_p, form_str(ERR_NOPRIVILEGES),
95			me.name, source_p->name);
96			return;
97			}
98
99	michael	593	nuh.nuhmask = parv[1];
100	michael	620	nuh.nickptr = nick;
101			nuh.userptr = user;
102			nuh.hostptr = host;
103	adx	30
104	michael	620	nuh.nicksize = sizeof(nick);
105			nuh.usersize = sizeof(user);
106			nuh.hostsize = sizeof(host);
107	michael	593
108			split_nuh(&nuh);
109
110	adx	30	if (!valid_wild_card(source_p, YES, 3, nick, user, host))
111	michael	593	return;
112	adx	30
113			if (!EmptyString(parv[2]))
114			{
115			reason = parv[2];
116			if (strlen(reason) > (size_t)KILLLEN)
117			reason[KILLLEN] = '\0';
118			}
119			else
120			reason = def_reason;
121
122			DLINK_FOREACH_SAFE(ptr, ptr_next, global_client_list.head)
123			{
124			target_p = ptr->data;
125
126			if (!IsClient(target_p) \|\| (source_p == target_p))
127			continue;
128
129			if (!MyConnect(target_p) && !IsOperGlobalKill(source_p))
130			continue;
131	michael	620
132	adx	30	if (match(nick, target_p->name) &&
133			match(user, target_p->username) &&
134			match(host, target_p->host))
135			{
136			if (MyConnect(target_p))
137			sendto_one(target_p, ":%s!%s@%s KILL %s :%s",
138			source_p->name, source_p->username, source_p->host,
139			target_p->name, reason);
140
141			sendto_realops_flags(UMODE_ALL, L_ALL,
142			"Received KILL message for %s. From %s Path: %s (%s)",
143			target_p->name, source_p->name, me.name, reason);
144
145			ilog(L_INFO,"KILL From %s For %s Path %s (%s)",
146			source_p->name, target_p->name, me.name, reason);
147
148			if (!MyConnect(target_p))
149			{
150			kh_relay_kill(client_p, source_p, target_p, inpath, reason);
151			SetKilled(target_p);
152			}
153
154			if (!count++)
155			ircsprintf(bufhost, "Killed (%s (%s))", source_p->name, reason);
156
157			exit_client(target_p, source_p, bufhost);
158			}
159			}
160
161			if (count > 0)
162			sendto_wallops_flags(UMODE_OPERWALL, source_p, "OPERWALL - KILLHOST %s %s",
163			host, reason);
164
165			sendto_one(source_p,":%s NOTICE %s :%u clients killed",
166			me.name, source_p->name, count);
167			}
168
169			static void
170			kh_relay_kill(struct Client one, struct Client source_p, struct Client *target_p,
171			const char inpath, const char reason)
172			{
173			dlink_node *ptr;
174			struct Client *client_p;
175			char *user;
176
177			DLINK_FOREACH(ptr, serv_list.head)
178			{
179			client_p = ptr->data;
180
181			if (client_p == one)
182			continue;
183
184			/* check the server supports TS6 */
185			if (IsCapable(client_p, CAP_TS6))
186			user = ID(target_p);
187			else
188			user = target_p->name;
189
190			if (MyClient(source_p))
191			{
192			sendto_one(client_p, ":%s KILL %s :%s!%s!%s!%s (%s)",
193			source_p->name, user,
194			me.name, source_p->host, source_p->username,
195			source_p->name, reason);
196			}
197			else
198			{
199			sendto_one(client_p, ":%s KILL %s :%s %s",
200			source_p->name, user,
201			inpath, reason);
202			}
203			}
204			}