modules/core/m_squit.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_squit.c: Makes a server quit.
 *
 *  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 "client.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "conf.h"
#include "log.h"
#include "s_serv.h"
#include "send.h"
#include "parse.h"
#include "modules.h"


/* mo_squit - SQUIT message handler
 *  parv[0] = sender prefix
 *  parv[1] = server name
 *  parv[2] = comment
 */
static void
mo_squit(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Client *target_p = NULL;
  struct Client *p;
  dlink_node *ptr;
  char *comment;
  const char *server;
  char def_reason[] = CONF_NOREASON;

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "SQUIT");
    return;
  }

  server = parv[1];

  /* The following allows wild cards in SQUIT. Only
   * useful when the command is issued by an oper.
   */
  DLINK_FOREACH(ptr, global_serv_list.head)
  {
    p = ptr->data;

    if (IsServer(p) || IsMe(p))
    {
      if (!match(server, p->name))
      {
        target_p = p;
        break;
      }
    }
  }

  if ((target_p == NULL) || IsMe(target_p))
  {
    sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
               me.name, source_p->name, server);
    return;
  }

  if (!MyConnect(target_p) && !HasOFlag(source_p, OPER_FLAG_REMOTE))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVILEGES),
               me.name, source_p->name);
    return;
  }

  comment = (parc > 2 && parv[2]) ? parv[2] : def_reason;

  if (strlen(comment) > (size_t)REASONLEN)
    comment[REASONLEN] = '\0';

  if (MyConnect(target_p))
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "Received SQUIT %s from %s (%s)",
                         target_p->name, get_client_name(source_p, HIDE_IP), comment);
    ilog(LOG_TYPE_IRCD, "Received SQUIT %s from %s (%s)",
         target_p->name, get_client_name(source_p, HIDE_IP), comment);
  }

  exit_client(target_p, source_p, comment);
}

/** NOTE: I removed wildcard lookups here, because a wildcarded
 **       SQUIT should/can never happen in ms_squit. -Michael
 **/

/* ms_squit - SQUIT message handler
 *  parv[0] = sender prefix
 *  parv[1] = server name
 *  parv[2] = comment
 */
static void
ms_squit(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Client *target_p = NULL;
  const char *comment = NULL;

  if (parc < 2 || EmptyString(parv[parc - 1]))
    return;

  if ((target_p = hash_find_server(parv[1])) == NULL)
    return;

  if (!IsServer(target_p) && !IsMe(target_p))
    return;

  if (IsMe(target_p))
    target_p = client_p;

  comment = (parc > 2 && parv[parc - 1]) ? parv[parc - 1] : client_p->name;

  if (MyConnect(target_p))
  {
    sendto_wallops_flags(UMODE_WALLOP, &me, "Remote SQUIT %s from %s (%s)",
                         target_p->name, source_p->name, comment);
    sendto_server(NULL, CAP_TS6, NOCAPS,
                  ":%s WALLOPS :Remote SQUIT %s from %s (%s)",
                  me.id, target_p->name, source_p->name, comment);
    sendto_server(NULL, NOCAPS, CAP_TS6,
                  ":%s WALLOPS :Remote SQUIT %s from %s (%s)",
                  me.name, target_p->name, source_p->name, comment);
    ilog(LOG_TYPE_IRCD, "SQUIT From %s : %s (%s)", source_p->name,
         target_p->name, comment);
   }

   exit_client(target_p, source_p, comment);
}

static struct Message squit_msgtab = {
  "SQUIT", 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, ms_squit, m_ignore, mo_squit, m_ignore}
};

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

static void
module_exit(void)
{
  mod_del_cmd(&squit_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:	1867
Committed:	Thu Apr 25 18:01:53 2013 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/branches/8.1.x/modules/core/m_squit.c*
File size:	4857 byte(s)
Log Message:	- Create 8.1.x branch
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_squit.c: Makes a server quit.
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 "client.h"
28			#include "hash.h"
29			#include "irc_string.h"
30			#include "ircd.h"
31			#include "numeric.h"
32	michael	1309	#include "conf.h"
33			#include "log.h"
34	adx	30	#include "s_serv.h"
35			#include "send.h"
36			#include "parse.h"
37			#include "modules.h"
38
39
40			/* mo_squit - SQUIT message handler
41			* parv[0] = sender prefix
42			* parv[1] = server name
43			* parv[2] = comment
44			*/
45			static void
46			mo_squit(struct Client client_p, struct Client source_p,
47			int parc, char *parv[])
48			{
49			struct Client *target_p = NULL;
50			struct Client *p;
51			dlink_node *ptr;
52			char *comment;
53			const char *server;
54	michael	1794	char def_reason[] = CONF_NOREASON;
55	adx	30
56			if (parc < 2 \|\| EmptyString(parv[1]))
57			{
58	michael	1834	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
59	adx	30	me.name, source_p->name, "SQUIT");
60			return;
61			}
62
63			server = parv[1];
64
65			/* The following allows wild cards in SQUIT. Only
66			* useful when the command is issued by an oper.
67			*/
68			DLINK_FOREACH(ptr, global_serv_list.head)
69			{
70			p = ptr->data;
71
72			if (IsServer(p) \|\| IsMe(p))
73			{
74	michael	1652	if (!match(server, p->name))
75	adx	30	{
76			target_p = p;
77			break;
78			}
79			}
80			}
81
82			if ((target_p == NULL) \|\| IsMe(target_p))
83			{
84	michael	1834	sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
85	adx	30	me.name, source_p->name, server);
86			return;
87			}
88
89	michael	1219	if (!MyConnect(target_p) && !HasOFlag(source_p, OPER_FLAG_REMOTE))
90	adx	30	{
91	michael	1834	sendto_one(source_p, form_str(ERR_NOPRIVILEGES),
92	adx	30	me.name, source_p->name);
93			return;
94			}
95
96			comment = (parc > 2 && parv[2]) ? parv[2] : def_reason;
97
98			if (strlen(comment) > (size_t)REASONLEN)
99			comment[REASONLEN] = '\0';
100
101			if (MyConnect(target_p))
102			{
103	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
104			"Received SQUIT %s from %s (%s)",
105	adx	30	target_p->name, get_client_name(source_p, HIDE_IP), comment);
106	michael	1247	ilog(LOG_TYPE_IRCD, "Received SQUIT %s from %s (%s)",
107	adx	30	target_p->name, get_client_name(source_p, HIDE_IP), comment);
108			}
109
110			exit_client(target_p, source_p, comment);
111			}
112
113			/** NOTE: I removed wildcard lookups here, because a wildcarded
114			** SQUIT should/can never happen in ms_squit. -Michael
115			**/
116
117			/* ms_squit - SQUIT message handler
118			* parv[0] = sender prefix
119			* parv[1] = server name
120			* parv[2] = comment
121			*/
122			static void
123			ms_squit(struct Client client_p, struct Client source_p,
124			int parc, char *parv[])
125			{
126			struct Client *target_p = NULL;
127	michael	1572	const char *comment = NULL;
128	adx	30
129	michael	1572	if (parc < 2 \|\| EmptyString(parv[parc - 1]))
130	adx	30	return;
131
132	michael	1572	if ((target_p = hash_find_server(parv[1])) == NULL)
133	adx	30	return;
134
135	michael	1572	if (!IsServer(target_p) && !IsMe(target_p))
136	adx	30	return;
137
138	michael	1572	if (IsMe(target_p))
139			target_p = client_p;
140	adx	30
141	michael	1572	comment = (parc > 2 && parv[parc - 1]) ? parv[parc - 1] : client_p->name;
142	adx	30
143			if (MyConnect(target_p))
144			{
145			sendto_wallops_flags(UMODE_WALLOP, &me, "Remote SQUIT %s from %s (%s)",
146			target_p->name, source_p->name, comment);
147	michael	1474	sendto_server(NULL, CAP_TS6, NOCAPS,
148	adx	30	":%s WALLOPS :Remote SQUIT %s from %s (%s)",
149			me.id, target_p->name, source_p->name, comment);
150	michael	1474	sendto_server(NULL, NOCAPS, CAP_TS6,
151	adx	30	":%s WALLOPS :Remote SQUIT %s from %s (%s)",
152			me.name, target_p->name, source_p->name, comment);
153	michael	1247	ilog(LOG_TYPE_IRCD, "SQUIT From %s : %s (%s)", source_p->name,
154	adx	30	target_p->name, comment);
155			}
156
157			exit_client(target_p, source_p, comment);
158			}
159	michael	1230
160			static struct Message squit_msgtab = {
161			"SQUIT", 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
162			{m_unregistered, m_not_oper, ms_squit, m_ignore, mo_squit, m_ignore}
163			};
164
165			static void
166			module_init(void)
167			{
168			mod_add_cmd(&squit_msgtab);
169			}
170
171			static void
172			module_exit(void)
173			{
174			mod_del_cmd(&squit_msgtab);
175			}
176
177			struct module module_entry = {
178			.node = { NULL, NULL, NULL },
179			.name = NULL,
180			.version = "$Revision$",
181			.handle = NULL,
182			.modinit = module_init,
183			.modexit = module_exit,
184			.flags = MODULE_FLAG_CORE
185			};