ircd-hybrid-8/contrib/m_change.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_change.c: Allows changing user/host/real of connected clients.
 *
 *  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
 *
 *  $Id$
 */

/* List of ircd includes from ../include/ */
#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "common.h"     /* FALSE bleah */
#include "ircd.h"
#include "irc_string.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_user.h"
#include "hash.h"
#include "userhost.h"

static void mo_chgident(struct Client *, struct Client *, int, char *[]);
static void mo_chghost(struct Client *, struct Client *, int, char *[]);
static void mo_chgname(struct Client *, struct Client *, int, char *[]);

struct Message chgident_msgtab = {
  "CHGIDENT", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, mo_chgident, mo_chgident, mo_chgident, m_ignore}
};

struct Message chghost_msgtab = {
  "CHGHOST", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, mo_chghost, mo_chghost, mo_chghost, m_ignore}
};

struct Message chgname_msgtab = {
  "CHGNAME", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, mo_chgname, mo_chgname, mo_chgname, m_ignore}
};

void
_modinit(void)
{
  mod_add_cmd(&chgident_msgtab);
  mod_add_cmd(&chghost_msgtab);
  mod_add_cmd(&chgname_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&chgname_msgtab);
  mod_del_cmd(&chghost_msgtab);
  mod_del_cmd(&chgident_msgtab);
}

const char *_version = "$Revision$";

static void
mo_chgident(struct Client *client_p, struct Client *source_p,
            int parc, char *parv[])
{
  struct Client *target_p = NULL;

  if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "CHGIDENT");
    return;
  }

  if (EmptyString(parv[2]))
  {
    parv[2] = parv[1];
    target_p = source_p;

    if (!IsClient(target_p))
      return;
  }
  else {
    target_p = hash_find_client(parv[1]);

    if (target_p == NULL || !IsClient(target_p))
    {
      sendto_one(source_p, form_str(ERR_NOSUCHNICK),
                 me.name, source_p->name, parv[1]);
      return;
    }
  }

  if (strlen(parv[2]) > USERLEN || !*parv[2] || !valid_username(parv[2]))
  {
    sendto_one(source_p, ":%s NOTICE %s :Invalid username",
               me.name, source_p->name);
    return;
  }

  if (IsUserHostIp(target_p))
    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));

  strlcpy(target_p->username, parv[2], sizeof(target_p->username));

  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
  SetUserHost(target_p);

  if (MyClient(source_p))
  {
    sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGIDENT %s %s",
                  source_p->name, target_p->name, parv[2]);
    sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
               me.name, source_p->name, target_p->name, target_p->username,
               target_p->host);
  }

  if (MyConnect(target_p) && IsClient(source_p))
    sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
               me.name, target_p->name, target_p->username, target_p->host);
}

static void
mo_chghost(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL;

  if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "CHGHOST");
    return;
  }

  if (EmptyString(parv[2]))
  {
    parv[2] = parv[1];
    target_p = source_p;

    if (!IsClient(target_p))
      return;
  }
  else {
    target_p = hash_find_client(parv[1]);

    if (target_p == NULL || !IsClient(target_p))
    {
      sendto_one(source_p, form_str(ERR_NOSUCHNICK),
                 me.name, source_p->name, parv[1]);
      return;
    }
  }

  if (strlen(parv[2]) > HOSTLEN || !*parv[2] || !valid_hostname(parv[2]))
  {
    sendto_one(source_p, ":%s NOTICE %s :Invalid hostname",
               me.name, source_p->name);
    return;
  }

  if (IsUserHostIp(target_p))
    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));

  strlcpy(target_p->host, parv[2], sizeof(target_p->host));
  SetIPSpoof(target_p);

  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
  SetUserHost(target_p);

  if (MyClient(source_p))
  {
    sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGHOST %s %s",
                  source_p->name, target_p->name, parv[2]);
    sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
               me.name, source_p->name, target_p->name, target_p->username,
               target_p->host);
  }

  if (MyConnect(target_p) && IsClient(source_p))
    sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
               me.name, target_p->name, target_p->username, target_p->host);
}

static void
mo_chgname(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  struct Client *target_p = NULL;

  if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "CHGNAME");
    return;
  }

  if (EmptyString(parv[2]))
  {
    parv[2] = parv[1];
    target_p = source_p;
  }
  else if ((target_p = hash_find_client(parv[1])) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHNICK),
               me.name, source_p->name, parv[1]);
    return;
  }

  if (strlen(parv[2]) > REALLEN || !*parv[2])
  {
    sendto_one(source_p, ":%s NOTICE %s :Invalid realname",
               me.name, source_p->name);
    return;
  }

  if (parc > 3 && MyClient(source_p))
    sendto_one(source_p, ":%s NOTICE %s :Warning -- too many parameters "
               "for CHGNAME. You are probably missing a : before the new "
               "IRC name.", me.name, source_p->name);

  strlcpy(target_p->info, parv[2], sizeof(target_p->info));

  if (MyClient(source_p))
  {
    sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGNAME %s :%s",
                  source_p->name, target_p->name, parv[2]);
    sendto_one(source_p, ":%s NOTICE %s :%s realname changed to [%s]",
               me.name, source_p->name, target_p->name, target_p->info);
  }

  if (MyClient(target_p) && IsClient(source_p))
    sendto_one(target_p, ":%s NOTICE %s :Your realname is now [%s]",
               me.name, target_p->name, target_p->info);
}
Revision:	1219
Committed:	Sun Sep 18 09:02:38 2011 UTC (12 years, 7 months ago) by michael
Content type:	text/x-csrc
File size:	7381 byte(s)
Log Message:	- Start cleaning up macros in client.h. Replace several ClientHasSomeCoolFlag() with simple HasFlag/HasUMode macros.
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_change.c: Allows changing user/host/real of connected clients.
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			/* List of ircd includes from ../include/ */
26			#include "stdinc.h"
27			#include "handlers.h"
28			#include "client.h"
29			#include "common.h" /* FALSE bleah */
30			#include "ircd.h"
31			#include "irc_string.h"
32			#include "numeric.h"
33			#include "fdlist.h"
34			#include "s_bsd.h"
35			#include "s_conf.h"
36			#include "s_log.h"
37			#include "s_serv.h"
38			#include "send.h"
39			#include "msg.h"
40			#include "parse.h"
41			#include "modules.h"
42			#include "s_user.h"
43			#include "hash.h"
44	michael	1110	#include "userhost.h"
45	adx	30
46			static void mo_chgident(struct Client , struct Client , int, char *[]);
47			static void mo_chghost(struct Client , struct Client , int, char *[]);
48			static void mo_chgname(struct Client , struct Client , int, char *[]);
49
50			struct Message chgident_msgtab = {
51	michael	1178	"CHGIDENT", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
52	adx	30	{m_unregistered, m_not_oper, mo_chgident, mo_chgident, mo_chgident, m_ignore}
53			};
54
55			struct Message chghost_msgtab = {
56	michael	1178	"CHGHOST", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
57	adx	30	{m_unregistered, m_not_oper, mo_chghost, mo_chghost, mo_chghost, m_ignore}
58			};
59
60			struct Message chgname_msgtab = {
61	michael	1178	"CHGNAME", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
62	adx	30	{m_unregistered, m_not_oper, mo_chgname, mo_chgname, mo_chgname, m_ignore}
63			};
64
65			void
66			_modinit(void)
67			{
68			mod_add_cmd(&chgident_msgtab);
69			mod_add_cmd(&chghost_msgtab);
70			mod_add_cmd(&chgname_msgtab);
71			}
72
73			void
74			_moddeinit(void)
75			{
76			mod_del_cmd(&chgname_msgtab);
77			mod_del_cmd(&chghost_msgtab);
78			mod_del_cmd(&chgident_msgtab);
79			}
80
81	knight	31	const char *_version = "$Revision$";
82	adx	30
83			static void
84			mo_chgident(struct Client client_p, struct Client source_p,
85			int parc, char *parv[])
86			{
87			struct Client *target_p = NULL;
88
89	michael	1219	if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
90	adx	30	{
91			sendto_one(source_p, form_str(ERR_NOPRIVS),
92	michael	1110	me.name, source_p->name, "CHGIDENT");
93	adx	30	return;
94			}
95
96			if (EmptyString(parv[2]))
97			{
98			parv[2] = parv[1];
99	michael	1110	target_p = source_p;
100	adx	30
101			if (!IsClient(target_p))
102			return;
103			}
104			else {
105	michael	1169	target_p = hash_find_client(parv[1]);
106	adx	30
107			if (target_p == NULL \|\| !IsClient(target_p))
108			{
109	michael	1110	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
110			me.name, source_p->name, parv[1]);
111	adx	30	return;
112			}
113			}
114
115			if (strlen(parv[2]) > USERLEN \|\| !*parv[2] \|\| !valid_username(parv[2]))
116			{
117	michael	1110	sendto_one(source_p, ":%s NOTICE %s :Invalid username",
118			me.name, source_p->name);
119	adx	30	return;
120			}
121
122	michael	1110	if (IsUserHostIp(target_p))
123			delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
124
125			strlcpy(target_p->username, parv[2], sizeof(target_p->username));
126
127			add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
128			SetUserHost(target_p);
129
130	adx	30	if (MyClient(source_p))
131			{
132	michael	1110	sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGIDENT %s %s",
133			source_p->name, target_p->name, parv[2]);
134	adx	30	sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
135	michael	1110	me.name, source_p->name, target_p->name, target_p->username,
136	adx	30	target_p->host);
137			}
138
139			if (MyConnect(target_p) && IsClient(source_p))
140			sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
141			me.name, target_p->name, target_p->username, target_p->host);
142			}
143
144			static void
145			mo_chghost(struct Client client_p, struct Client source_p,
146			int parc, char *parv[])
147			{
148			struct Client *target_p = NULL;
149
150	michael	1219	if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
151	adx	30	{
152			sendto_one(source_p, form_str(ERR_NOPRIVS),
153	michael	1110	me.name, source_p->name, "CHGHOST");
154	adx	30	return;
155			}
156
157			if (EmptyString(parv[2]))
158			{
159			parv[2] = parv[1];
160	michael	1110	target_p = source_p;
161	adx	30
162			if (!IsClient(target_p))
163			return;
164			}
165			else {
166	michael	1169	target_p = hash_find_client(parv[1]);
167	michael	1110
168	adx	30	if (target_p == NULL \|\| !IsClient(target_p))
169			{
170	michael	1110	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
171			me.name, source_p->name, parv[1]);
172	adx	30	return;
173			}
174			}
175
176			if (strlen(parv[2]) > HOSTLEN \|\| !*parv[2] \|\| !valid_hostname(parv[2]))
177			{
178	michael	1110	sendto_one(source_p, ":%s NOTICE %s :Invalid hostname",
179			me.name, source_p->name);
180	adx	30	return;
181			}
182
183	michael	1110	if (IsUserHostIp(target_p))
184			delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
185
186			strlcpy(target_p->host, parv[2], sizeof(target_p->host));
187	michael	343	SetIPSpoof(target_p);
188	michael	1110
189			add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
190			SetUserHost(target_p);
191
192	adx	30	if (MyClient(source_p))
193			{
194	michael	1110	sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGHOST %s %s",
195			source_p->name, target_p->name, parv[2]);
196	adx	30	sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
197	michael	1110	me.name, source_p->name, target_p->name, target_p->username,
198	adx	30	target_p->host);
199			}
200
201			if (MyConnect(target_p) && IsClient(source_p))
202			sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
203			me.name, target_p->name, target_p->username, target_p->host);
204			}
205
206			static void
207			mo_chgname(struct Client client_p, struct Client source_p,
208			int parc, char *parv[])
209			{
210			struct Client *target_p = NULL;
211
212	michael	1219	if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
213	adx	30	{
214			sendto_one(source_p, form_str(ERR_NOPRIVS),
215	michael	1110	me.name, source_p->name, "CHGNAME");
216	adx	30	return;
217			}
218
219			if (EmptyString(parv[2]))
220			{
221			parv[2] = parv[1];
222			target_p = source_p;
223			}
224	michael	1169	else if ((target_p = hash_find_client(parv[1])) == NULL)
225	adx	30	{
226	michael	1110	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
227			me.name, source_p->name, parv[1]);
228	adx	30	return;
229			}
230
231			if (strlen(parv[2]) > REALLEN \|\| !*parv[2])
232			{
233	michael	1110	sendto_one(source_p, ":%s NOTICE %s :Invalid realname",
234			me.name, source_p->name);
235	adx	30	return;
236			}
237
238			if (parc > 3 && MyClient(source_p))
239			sendto_one(source_p, ":%s NOTICE %s :Warning -- too many parameters "
240			"for CHGNAME. You are probably missing a : before the new "
241	michael	1110	"IRC name.", me.name, source_p->name);
242	adx	30
243	michael	1110	strlcpy(target_p->info, parv[2], sizeof(target_p->info));
244
245	adx	30	if (MyClient(source_p))
246			{
247	michael	1110	sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGNAME %s :%s",
248			source_p->name, target_p->name, parv[2]);
249	adx	30	sendto_one(source_p, ":%s NOTICE %s :%s realname changed to [%s]",
250	michael	1110	me.name, source_p->name, target_p->name, target_p->info);
251	adx	30	}
252
253			if (MyClient(target_p) && IsClient(source_p))
254			sendto_one(target_p, ":%s NOTICE %s :Your realname is now [%s]",
255			me.name, target_p->name, target_p->info);
256			}