ircd-hybrid/modules/m_llnick.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_llnick.c: Used to introduce a client on a lazy-link.
 *
 *  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 "client.h"
#include "hash.h"
#include "common.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "handlers.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"


static void ms_llnick(struct Client*, struct Client*, int, char**);

struct Message llnick_msgtab = {
  "LLNICK", 0, 0, 3, 0, MFLG_SLOW | MFLG_UNREG, 0L,
  {m_unregistered, m_ignore, ms_llnick, m_ignore, m_ignore, m_ignore}
};
#ifndef STATIC_MODULES

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

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

const char *_version = "$Revision$";
#endif
/*
 * m_llnick
 *      parv[0] = sender prefix
 *      parv[1] = status 
 *      parv[2] = nick
 *      parv[3] = old nick
 *
 */
static void
ms_llnick(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  char *nick;
  char *nick_old = NULL;
  struct Client *target_p = NULL;
  int exists = 0;
  int new = 0;
  dlink_node *ptr;
  
  if(!IsCapable(client_p,CAP_LL) || !IsCapable(client_p, CAP_HUB))
    {
      sendto_realops_flags(UMODE_ALL, L_ALL,
                           "*** LLNICK requested from non LL server %s",
                           client_p->name);
      return;
    }

  if (parc < 4)
    return;

  if (*parv[1] == 'Y')
    exists = 1;
  
  nick = parv[2];
  nick_old = parv[3];

  if (*nick_old == '!')
    new = 1;

  if (new)
  {
    nick_old++; /* skip '!' */
    /* New user -- find them */
    DLINK_FOREACH(ptr, unknown_list.head)
    {
      if( !strcmp(nick_old, ((struct Client *)ptr->data)->llname) )
      {
        target_p = ptr->data;
        *target_p->llname = '\0'; /* unset their temp-nick */
        break;
      }
    }
    if (!target_p) /* Can't find them -- maybe they got a different nick */
      return;
  }
  else
  {
    /* Existing user changing nickname */
    target_p = find_client(nick_old);
  
    if (!target_p) /* Can't find them -- maybe they got a different nick */
      return;
  }

  /* Don't try this on a remote client... */
  if (!MyConnect(target_p))
    return;
  
  if(find_client(nick) || exists)
  {
    /* The nick they want is in use. complain */
    sendto_one(target_p, form_str(ERR_NICKNAMEINUSE), me.name,
               new ? "*" : nick_old,
               nick);
    return;
  }

  if(new)
    set_initial_nick(target_p, target_p, nick);
  else
    change_local_nick(target_p, target_p, nick);
}
Revision:	69
Committed:	Tue Oct 4 16:09:51 2005 UTC (20 years, 10 months ago) by adx
Content type:	text/x-csrc
File size:	3369 byte(s)
Log Message:	- splitted ircd/libio, all headers connected with libio sources have been moved for internal use only. To use libio interface, include "libio.h" (which is already done in "stdinc.h")
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_llnick.c: Used to introduce a client on a lazy-link.
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			#include "client.h"
27			#include "hash.h"
28			#include "common.h"
29			#include "hash.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "s_serv.h"
33			#include "send.h"
34			#include "handlers.h"
35			#include "msg.h"
36			#include "parse.h"
37			#include "modules.h"
38
39
40			static void ms_llnick(struct Client, struct Client, int, char**);
41
42			struct Message llnick_msgtab = {
43			"LLNICK", 0, 0, 3, 0, MFLG_SLOW \| MFLG_UNREG, 0L,
44			{m_unregistered, m_ignore, ms_llnick, m_ignore, m_ignore, m_ignore}
45			};
46			#ifndef STATIC_MODULES
47
48			void
49			_modinit(void)
50			{
51			mod_add_cmd(&llnick_msgtab);
52			}
53
54			void
55			_moddeinit(void)
56			{
57			mod_del_cmd(&llnick_msgtab);
58			}
59
60	knight	31	const char *_version = "$Revision$";
61	adx	30	#endif
62			/*
63			* m_llnick
64			* parv[0] = sender prefix
65			* parv[1] = status
66			* parv[2] = nick
67			* parv[3] = old nick
68			*
69			*/
70			static void
71			ms_llnick(struct Client client_p, struct Client source_p,
72			int parc, char *parv[])
73			{
74			char *nick;
75			char *nick_old = NULL;
76			struct Client *target_p = NULL;
77			int exists = 0;
78			int new = 0;
79			dlink_node *ptr;
80
81			if(!IsCapable(client_p,CAP_LL) \|\| !IsCapable(client_p, CAP_HUB))
82			{
83			sendto_realops_flags(UMODE_ALL, L_ALL,
84			"*** LLNICK requested from non LL server %s",
85			client_p->name);
86			return;
87			}
88
89			if (parc < 4)
90			return;
91
92			if (*parv[1] == 'Y')
93			exists = 1;
94
95			nick = parv[2];
96			nick_old = parv[3];
97
98			if (*nick_old == '!')
99			new = 1;
100
101			if (new)
102			{
103			nick_old++; /* skip '!' */
104			/* New user -- find them */
105			DLINK_FOREACH(ptr, unknown_list.head)
106			{
107			if( !strcmp(nick_old, ((struct Client *)ptr->data)->llname) )
108			{
109			target_p = ptr->data;
110			target_p->llname = '\0'; / unset their temp-nick */
111			break;
112			}
113			}
114			if (!target_p) /* Can't find them -- maybe they got a different nick */
115			return;
116			}
117			else
118			{
119			/* Existing user changing nickname */
120			target_p = find_client(nick_old);
121
122			if (!target_p) /* Can't find them -- maybe they got a different nick */
123			return;
124			}
125
126			/* Don't try this on a remote client... */
127			if (!MyConnect(target_p))
128			return;
129
130			if(find_client(nick) \|\| exists)
131			{
132			/* The nick they want is in use. complain */
133			sendto_one(target_p, form_str(ERR_NICKNAMEINUSE), me.name,
134			new ? "*" : nick_old,
135			nick);
136			return;
137			}
138
139			if(new)
140			set_initial_nick(target_p, target_p, nick);
141			else
142			change_local_nick(target_p, target_p, nick);
143			}