8.2.x/modules/m_svsnick.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *
 *  Copyright (C) 1999 by the Bahamut Development Team.
 *  Copyright (C) 2011 by the 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 SVSMODE command.
 * \version $Id$
 */

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

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

struct Message svsnick_msgtab = {
  "SVSNICK", 0, 0, 0, 0, MFLG_SLOW | MFLG_UNREG, 0,
  {m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
};

const char *_version = "$Revision$";

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

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


/*! \brief SVSNICK command handler (called by servers or 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] = sender prefix
 *      - parv[1] = old nickname
 *      - parv[2] = new nickname
 *      - parv[3] = timestamp
 */
static void
ms_svsnick(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL, *exists_p = NULL;

  if (!IsService(source_p) || (parc < 4) || !valid_nickname(parv[2], 1))
    return;

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

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

  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;
    }
  }

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

  add_history(target_p, 1);

  sendto_server(NULL, NULL, CAP_TS6, NOCAPS,
                ":%s NICK %s :%lu",
                ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
  sendto_server(NULL, NULL, NOCAPS, CAP_TS6,
                ":%s NICK %s :%lu",
                target_p->name, parv[2], (unsigned long)source_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]);
}
Revision:	1169
Committed:	Fri Aug 12 18:45:03 2011 UTC (14 years ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_svsnick.c*
File size:	4320 byte(s)
Log Message:	- rename find_server to hash_find_server to satisfy naming convention - pull m_services.c and m_jupe.c from contrib/ - style fixes in some places
#	User	Rev	Content
1	michael	1165	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			*
4			* Copyright (C) 1999 by the Bahamut Development Team.
5			* Copyright (C) 2011 by the Hybrid Development Team.
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
23			/*! \file m_svsnick.c
24			* \brief Includes required functions for processing the SVSMODE command.
25			* \version $Id$
26			*/
27
28			#include "stdinc.h"
29			#include "handlers.h"
30			#include "client.h"
31			#include "ircd.h"
32			#include "channel_mode.h"
33			#include "numeric.h"
34			#include "s_conf.h"
35			#include "s_serv.h"
36			#include "send.h"
37			#include "msg.h"
38			#include "parse.h"
39			#include "modules.h"
40			#include "irc_string.h"
41			#include "s_user.h"
42			#include "hash.h"
43			#include "watch.h"
44			#include "whowas.h"
45
46			static void ms_svsnick(struct Client , struct Client , int, char *[]);
47
48			struct Message svsnick_msgtab = {
49			"SVSNICK", 0, 0, 0, 0, MFLG_SLOW \| MFLG_UNREG, 0,
50			{m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
51			};
52
53			const char *_version = "$Revision$";
54
55			void
56			_modinit(void)
57			{
58			mod_add_cmd(&svsnick_msgtab);
59			}
60
61			void
62			_moddeinit(void)
63			{
64			mod_del_cmd(&svsnick_msgtab);
65			}
66
67
68			/*! \brief SVSNICK command handler (called by servers or services)
69			*
70			* \param client_p Pointer to allocated Client struct with physical connection
71			* to this server, i.e. with an open socket connected.
72			* \param source_p Pointer to allocated Client struct from which the message
73			* originally comes from. This can be a local or remote client.
74			* \param parc Integer holding the number of supplied arguments.
75			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
76			* pointers.
77			* \note Valid arguments for this command are:
78			* - parv[0] = sender prefix
79			* - parv[1] = old nickname
80			* - parv[2] = new nickname
81			* - parv[3] = timestamp
82			*/
83			static void
84			ms_svsnick(struct Client client_p, struct Client source_p,
85			int parc, char *parv[])
86			{
87			struct Client target_p = NULL, exists_p = NULL;
88
89			if (!IsService(source_p) \|\| (parc < 4) \|\| !valid_nickname(parv[2], 1))
90			return;
91
92			if (hunt_server(client_p, source_p, ":%s SVSNICK %s %s :%s",
93			1, parc, parv) != HUNTED_ISME)
94			return;
95
96			if ((target_p = find_person(client_p, parv[1])) == NULL)
97			return;
98
99			assert(MyClient(target_p));
100
101	michael	1169	if ((exists_p = hash_find_client(parv[2])))
102	michael	1165	{
103			if (IsUnknown(exists_p))
104			exit_client(exists_p, &me, "SVSNICK Override");
105			else
106			{
107			exit_client(target_p, &me, "SVSNICK Collide");
108			return;
109			}
110			}
111
112			target_p->tsinfo = atoi(parv[3]);
113			clear_ban_cache_client(target_p);
114			watch_check_hash(target_p, RPL_LOGOFF);
115
116			if (HasUMode(target_p, UMODE_REGISTERED))
117			{
118			unsigned int oldmodes = target_p->umodes;
119			char modebuf[IRCD_BUFSIZE] = { '\0' };
120
121			DelUMode(target_p, UMODE_REGISTERED);
122			send_umode(target_p, target_p, oldmodes, 0xffffffff, modebuf);
123			}
124
125			sendto_common_channels_local(target_p, 1, ":%s!%s@%s NICK :%s",
126			target_p->name, target_p->username,
127			target_p->host, parv[2]);
128
129			add_history(target_p, 1);
130
131			sendto_server(NULL, NULL, CAP_TS6, NOCAPS,
132			":%s NICK %s :%lu",
133			ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
134			sendto_server(NULL, NULL, NOCAPS, CAP_TS6,
135			":%s NICK %s :%lu",
136			target_p->name, parv[2], (unsigned long)source_p->tsinfo);
137
138			hash_del_client(target_p);
139			strlcpy(target_p->name, parv[2], sizeof(target_p->name));
140			hash_add_client(target_p);
141
142			watch_check_hash(target_p, RPL_LOGON);
143
144			fd_note(&target_p->localClient->fd, "Nick: %s", parv[2]);
145			}