trunk/modules/m_svsnick.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1999 Bahamut development team.
 *  Copyright (c) 2011-2014 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_svsnick.c
 * \brief Includes required functions for processing the SVSNICK command.
 * \version $Id$
 */


#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "channel_mode.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "irc_string.h"
#include "s_user.h"
#include "hash.h"
#include "watch.h"
#include "whowas.h"


/*! \brief SVSNICK command handler (called by services)
 *
 * \param client_p Pointer to allocated Client struct with physical connection
 *                 to this server, i.e. with an open socket connected.
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = old nickname
 *      - parv[2] = new nickname
 *      - parv[3] = timestamp
 */
static int
ms_svsnick(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL, *exists_p = NULL;

  if (!HasFlag(source_p, FLAGS_SERVICE) || !valid_nickname(parv[2], 1))
    return 0;

  if (hunt_server(client_p, source_p, ":%s SVSNICK %s %s :%s",
                  1, parc, parv) != HUNTED_ISME)
    return 0;

  if ((target_p = find_person(client_p, parv[1])) == NULL)
    return 0;

  assert(MyClient(target_p));

  if ((exists_p = hash_find_client(parv[2])))
  {
    if (IsUnknown(exists_p))
      exit_client(exists_p, &me, "SVSNICK Override");
    else
    {
      exit_client(target_p, &me, "SVSNICK Collide");
      return 0;
    }
  }

  target_p->tsinfo = atoi(parv[3]);
  clear_ban_cache_client(target_p);
  watch_check_hash(target_p, RPL_LOGOFF);

  if (HasUMode(target_p, UMODE_REGISTERED))
  {
    unsigned int oldmodes = target_p->umodes;
    char modebuf[IRCD_BUFSIZE] = { '\0' };

    DelUMode(target_p, UMODE_REGISTERED);
    send_umode(target_p, target_p, oldmodes, 0xffffffff, modebuf);
  }

  sendto_common_channels_local(target_p, 1, 0, ":%s!%s@%s NICK :%s",
                               target_p->name, target_p->username,
                               target_p->host, parv[2]);

  whowas_add_history(target_p, 1);

  sendto_server(NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%lu",
                ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
  sendto_server(NULL, NOCAPS, CAP_TS6, ":%s NICK %s :%lu",
                target_p->name, parv[2], (unsigned long)target_p->tsinfo);

  hash_del_client(target_p);
  strlcpy(target_p->name, parv[2], sizeof(target_p->name));
  hash_add_client(target_p);

  watch_check_hash(target_p, RPL_LOGON);

  fd_note(&target_p->localClient->fd, "Nick: %s", parv[2]);
  return 0;
}

static struct Message svsnick_msgtab =
{
  "SVSNICK", 0, 0, 4, MAXPARA, MFLG_SLOW, 0,
  {m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
};

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

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

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	3096
Committed:	Sat Mar 1 23:31:45 2014 UTC (11 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	4345 byte(s)
Log Message:	- Applied Adam's "Put the command name in parv[0], not prefix name" patch
#	User	Rev	Content
1	michael	1165	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	michael	1165	*
4	michael	2820	* Copyright (c) 1999 Bahamut development team.
5			* Copyright (c) 2011-2014 ircd-hybrid development team
6	michael	1165	*
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
23			/*! \file m_svsnick.c
24	michael	1221	* \brief Includes required functions for processing the SVSNICK command.
25	michael	1165	* \version $Id$
26			*/
27
28	michael	2820
29	michael	1165	#include "stdinc.h"
30			#include "client.h"
31			#include "ircd.h"
32			#include "channel_mode.h"
33			#include "numeric.h"
34			#include "s_serv.h"
35			#include "send.h"
36			#include "parse.h"
37			#include "modules.h"
38			#include "irc_string.h"
39			#include "s_user.h"
40			#include "hash.h"
41			#include "watch.h"
42			#include "whowas.h"
43
44
45	michael	1221	/*! \brief SVSNICK command handler (called by services)
46	michael	1165	*
47			* \param client_p Pointer to allocated Client struct with physical connection
48			* to this server, i.e. with an open socket connected.
49			* \param source_p Pointer to allocated Client struct from which the message
50			* originally comes from. This can be a local or remote client.
51			* \param parc Integer holding the number of supplied arguments.
52			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
53			* pointers.
54			* \note Valid arguments for this command are:
55	michael	3096	* - parv[0] = command
56	michael	1165	* - parv[1] = old nickname
57			* - parv[2] = new nickname
58			* - parv[3] = timestamp
59			*/
60	michael	2820	static int
61	michael	1165	ms_svsnick(struct Client client_p, struct Client source_p,
62			int parc, char *parv[])
63			{
64			struct Client target_p = NULL, exists_p = NULL;
65
66	michael	1221	if (!HasFlag(source_p, FLAGS_SERVICE) \|\| !valid_nickname(parv[2], 1))
67	michael	2820	return 0;
68	michael	1165
69			if (hunt_server(client_p, source_p, ":%s SVSNICK %s %s :%s",
70			1, parc, parv) != HUNTED_ISME)
71	michael	2820	return 0;
72	michael	1165
73			if ((target_p = find_person(client_p, parv[1])) == NULL)
74	michael	2820	return 0;
75	michael	1165
76			assert(MyClient(target_p));
77
78	michael	1169	if ((exists_p = hash_find_client(parv[2])))
79	michael	1165	{
80			if (IsUnknown(exists_p))
81			exit_client(exists_p, &me, "SVSNICK Override");
82			else
83			{
84			exit_client(target_p, &me, "SVSNICK Collide");
85	michael	2820	return 0;
86	michael	1165	}
87			}
88
89			target_p->tsinfo = atoi(parv[3]);
90			clear_ban_cache_client(target_p);
91			watch_check_hash(target_p, RPL_LOGOFF);
92
93			if (HasUMode(target_p, UMODE_REGISTERED))
94			{
95			unsigned int oldmodes = target_p->umodes;
96			char modebuf[IRCD_BUFSIZE] = { '\0' };
97
98			DelUMode(target_p, UMODE_REGISTERED);
99			send_umode(target_p, target_p, oldmodes, 0xffffffff, modebuf);
100			}
101
102	michael	1734	sendto_common_channels_local(target_p, 1, 0, ":%s!%s@%s NICK :%s",
103	michael	1165	target_p->name, target_p->username,
104			target_p->host, parv[2]);
105
106	michael	2300	whowas_add_history(target_p, 1);
107	michael	1165
108	michael	2820	sendto_server(NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%lu",
109	michael	1165	ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
110	michael	2820	sendto_server(NULL, NOCAPS, CAP_TS6, ":%s NICK %s :%lu",
111	michael	2482	target_p->name, parv[2], (unsigned long)target_p->tsinfo);
112	michael	1165
113			hash_del_client(target_p);
114			strlcpy(target_p->name, parv[2], sizeof(target_p->name));
115			hash_add_client(target_p);
116
117			watch_check_hash(target_p, RPL_LOGON);
118
119			fd_note(&target_p->localClient->fd, "Nick: %s", parv[2]);
120	michael	2820	return 0;
121	michael	1165	}
122	michael	1230
123	michael	2820	static struct Message svsnick_msgtab =
124			{
125	michael	1569	"SVSNICK", 0, 0, 4, MAXPARA, MFLG_SLOW, 0,
126	michael	1230	{m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
127			};
128
129			static void
130			module_init(void)
131			{
132			mod_add_cmd(&svsnick_msgtab);
133			}
134
135			static void
136			module_exit(void)
137			{
138			mod_del_cmd(&svsnick_msgtab);
139			}
140
141	michael	2820	struct module module_entry =
142			{
143	michael	1230	.node = { NULL, NULL, NULL },
144			.name = NULL,
145			.version = "$Revision$",
146			.handle = NULL,
147			.modinit = module_init,
148			.modexit = module_exit,
149			.flags = 0
150			};