ircd-hybrid/contrib/m_capture.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_capture.c: Makes a designated client captive
 *
 *  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 "common.h"  
#include "handlers.h"
#include "client.h"
#include "hash.h"
#include "channel.h"
#include "channel_mode.h"
#include "hash.h"
#include "ircd.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 "parse_aline.h"

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

struct Message capture_msgtab = {
  "CAPTURE", 0, 0, 0, 0, MFLG_SLOW, 0,
  { m_unregistered, m_ignore, mo_capture, mo_capture, mo_capture, m_ignore }
};

struct Message uncapture_msgtab = {
  "UNCAPTURE", 0, 0, 0, 0, MFLG_SLOW, 0,
  { m_unregistered, m_ignore, mo_uncapture, mo_uncapture, mo_uncapture, m_ignore }
};

INIT_MODULE(m_capture, "$Revision$")
{
  mod_add_cmd(&capture_msgtab);
  mod_add_cmd(&uncapture_msgtab);
}

CLEANUP_MODULE
{
  mod_del_cmd(&uncapture_msgtab);
  mod_del_cmd(&capture_msgtab);
}

/* mo_capture
 *      parv[0] = sender prefix
 *      parv[1] = nickname masklist
 */
static void
mo_capture(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char nick[NICKLEN + 1];
  char user[USERLEN + 1];
  char host[HOSTLEN + 1];
  dlink_node *ptr = NULL;

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  /* XXX Add oper flag in future ? */

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

  if (strchr(parv[1], '@') == NULL)
  {
    if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
    {
      if (MyConnect(target_p) && source_p != target_p)
      {
        if (IsOper(target_p))
        {
          sendto_one(source_p, form_str(ERR_NOPRIVS),
                     me.name, source_p->name, "CAPTURE");
          return;
        }

        if (!IsCaptured(target_p))
        {
          sendto_realops_flags(UMODE_ALL, L_ALL, "Captured %s (%s@%s)",
                               target_p->name, target_p->username,
                               target_p->host);
          SetCaptured(target_p);
        }

        sendto_one(source_p, form_str(RPL_ISCAPTURED),
                   me.name, source_p->name, target_p->name);
      }
      else if (IsCapable(target_p->from, CAP_ENCAP))
        sendto_one(target_p, ":%s ENCAP %s CAPTURE %s",
                   source_p->name, target_p->from->name, target_p->name);
    }
    else
      sendto_one(source_p, form_str(ERR_NOSUCHNICK),
                 me.name, source_p->name, parv[1]);
  }
  else
  {
    unsigned int matches = 0;
    struct split_nuh_item nuh;

    nuh.nuhmask  = parv[1];
    nuh.nickptr  = nick;
    nuh.userptr  = user;
    nuh.hostptr  = host;

    nuh.nicksize = sizeof(nick);
    nuh.usersize = sizeof(user);
    nuh.hostsize = sizeof(host);

    split_nuh(&nuh);

    if (!valid_wild_card(source_p, YES, 3, nick, user, host))
      return;

    if (IsClient(client_p))
      sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0,
                    ":%s ENCAP * CAPTURE %s!%s@%s",
                    source_p->name, nick, user, host);

    DLINK_FOREACH(ptr, local_client_list.head)
    {
      target_p = ptr->data;

      if (source_p == target_p || IsOper(target_p) || IsCaptured(target_p))
        continue;

      if (match(nick, target_p->name) &&
          match(host, target_p->host) && match(user, target_p->username))
      {
        SetCaptured(target_p);
        ++matches;
      }
    }

    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "Bulk captured %s!%s@%s, %u local match(es)",
                         nick, user, host, matches);
  }
}

/* mo_uncapture
 *      parv[0] = sender prefix
 *      parv[1] = nickname masklist
 */
static void
mo_uncapture(struct Client *client_p, struct Client *source_p,
             int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char nick[NICKLEN + 1];
  char user[USERLEN + 1];
  char host[HOSTLEN + 1];
  dlink_node *ptr = NULL;

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

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  if (strchr(parv[1], '@') == NULL)
  {      
    if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
    {
      if (MyConnect(target_p))
      {
        if (IsCaptured(target_p))
        {
          ClearCaptured(target_p);

          sendto_realops_flags(UMODE_ALL, L_ALL, "Uncaptured %s (%s@%s)",
                               target_p->name, target_p->username,
                               target_p->host);
        }

        sendto_one(source_p, form_str(RPL_ISUNCAPTURED),
                   me.name, source_p->name, target_p->name);
      }
      else if (IsCapable(target_p->from, CAP_ENCAP))
        sendto_one(target_p, ":%s ENCAP %s UNCAPTURE %s",
                   source_p->name, target_p->from->name, target_p->name);
    }
    else
      sendto_one(source_p, form_str(ERR_NOSUCHNICK),
                 me.name, source_p->name, parv[1]);
  }
  else
  {
    unsigned int matches = 0;
    struct split_nuh_item nuh;

    nuh.nuhmask  = parv[1];
    nuh.nickptr  = nick;
    nuh.userptr  = user;
    nuh.hostptr  = host;

    nuh.nicksize = sizeof(nick);
    nuh.usersize = sizeof(user);
    nuh.hostsize = sizeof(host);

    split_nuh(&nuh);

    if (IsClient(client_p))
      sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0,
                    ":%s ENCAP * UNCAPTURE %s!%s@%s",
                    source_p->name, nick, user, host);

    DLINK_FOREACH(ptr, local_client_list.head)
    {
      target_p = ptr->data;

      if (!IsCaptured(target_p))
        continue;

      if (match(nick, target_p->name) &&
          match(host, target_p->host) && match(user, target_p->username))
      {
        ClearCaptured(target_p);
        ++matches;
      }
    }

    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "Bulk uncaptured %s!%s@%s, %u local match(es)",
                         nick, user, host, matches);
  }
}
Revision:	443
Committed:	Sat Feb 11 23:37:10 2006 UTC (20 years, 6 months ago) by adx
Content type:	text/x-csrc
File size:	7340 byte(s)
Log Message:	+ make it compile + fix contrib + fixed core when unloading spy_trace_notice, this one should be MFC'd (etrace_cb was not unhooked properly)
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_capture.c: Makes a designated client captive
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 "common.h"
27			#include "handlers.h"
28			#include "client.h"
29			#include "hash.h"
30			#include "channel.h"
31			#include "channel_mode.h"
32			#include "hash.h"
33			#include "ircd.h"
34			#include "numeric.h"
35			#include "s_conf.h"
36			#include "s_serv.h"
37			#include "send.h"
38			#include "msg.h"
39			#include "parse.h"
40			#include "modules.h"
41	knight	113	#include "parse_aline.h"
42	adx	30
43			static void mo_capture(struct Client , struct Client , int, char *[]);
44			static void mo_uncapture(struct Client , struct Client , int, char *[]);
45
46			struct Message capture_msgtab = {
47			"CAPTURE", 0, 0, 0, 0, MFLG_SLOW, 0,
48	michael	357	{ m_unregistered, m_ignore, mo_capture, mo_capture, mo_capture, m_ignore }
49	adx	30	};
50
51			struct Message uncapture_msgtab = {
52			"UNCAPTURE", 0, 0, 0, 0, MFLG_SLOW, 0,
53	michael	357	{ m_unregistered, m_ignore, mo_uncapture, mo_uncapture, mo_uncapture, m_ignore }
54	adx	30	};
55
56	adx	443	INIT_MODULE(m_capture, "$Revision$")
57	adx	30	{
58			mod_add_cmd(&capture_msgtab);
59			mod_add_cmd(&uncapture_msgtab);
60			}
61
62	adx	443	CLEANUP_MODULE
63	adx	30	{
64	adx	443	mod_del_cmd(&uncapture_msgtab);
65	adx	30	mod_del_cmd(&capture_msgtab);
66			}
67
68			/* mo_capture
69			* parv[0] = sender prefix
70			* parv[1] = nickname masklist
71			*/
72			static void
73			mo_capture(struct Client client_p, struct Client source_p,
74			int parc, char *parv[])
75			{
76			struct Client *target_p = NULL;
77	michael	357	char nick[NICKLEN + 1];
78			char user[USERLEN + 1];
79			char host[HOSTLEN + 1];
80	adx	30	dlink_node *ptr = NULL;
81
82	michael	357	if (EmptyString(parv[1]))
83	adx	30	{
84			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
85			me.name, source_p->name);
86			return;
87			}
88
89			/* XXX Add oper flag in future ? */
90
91			if (MyClient(source_p) && !IsAdmin(source_p))
92			{
93			sendto_one(source_p, form_str(ERR_NOPRIVS),
94			me.name, source_p->name, "CAPTURE");
95			return;
96			}
97
98	michael	357	if (strchr(parv[1], '@') == NULL)
99	adx	30	{
100			if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
101			{
102			if (MyConnect(target_p) && source_p != target_p)
103			{
104			if (IsOper(target_p))
105			{
106			sendto_one(source_p, form_str(ERR_NOPRIVS),
107			me.name, source_p->name, "CAPTURE");
108			return;
109			}
110
111			if (!IsCaptured(target_p))
112			{
113			sendto_realops_flags(UMODE_ALL, L_ALL, "Captured %s (%s@%s)",
114			target_p->name, target_p->username,
115			target_p->host);
116			SetCaptured(target_p);
117			}
118
119			sendto_one(source_p, form_str(RPL_ISCAPTURED),
120			me.name, source_p->name, target_p->name);
121			}
122			else if (IsCapable(target_p->from, CAP_ENCAP))
123			sendto_one(target_p, ":%s ENCAP %s CAPTURE %s",
124			source_p->name, target_p->from->name, target_p->name);
125			}
126			else
127			sendto_one(source_p, form_str(ERR_NOSUCHNICK),
128			me.name, source_p->name, parv[1]);
129			}
130			else
131			{
132			unsigned int matches = 0;
133	michael	357	struct split_nuh_item nuh;
134	adx	30
135	michael	357	nuh.nuhmask = parv[1];
136			nuh.nickptr = nick;
137			nuh.userptr = user;
138			nuh.hostptr = host;
139	adx	30
140	michael	357	nuh.nicksize = sizeof(nick);
141			nuh.usersize = sizeof(user);
142			nuh.hostsize = sizeof(host);
143	adx	30
144	michael	357	split_nuh(&nuh);
145
146	adx	30	if (!valid_wild_card(source_p, YES, 3, nick, user, host))
147			return;
148
149			if (IsClient(client_p))
150	michael	405	sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0,
151	adx	30	":%s ENCAP * CAPTURE %s!%s@%s",
152			source_p->name, nick, user, host);
153
154			DLINK_FOREACH(ptr, local_client_list.head)
155			{
156			target_p = ptr->data;
157
158	michael	357	if (source_p == target_p \|\| IsOper(target_p) \|\| IsCaptured(target_p))
159	adx	30	continue;
160
161			if (match(nick, target_p->name) &&
162			match(host, target_p->host) && match(user, target_p->username))
163			{
164			SetCaptured(target_p);
165			++matches;
166			}
167			}
168
169			sendto_realops_flags(UMODE_ALL, L_ALL,
170			"Bulk captured %s!%s@%s, %u local match(es)",
171			nick, user, host, matches);
172			}
173			}
174
175			/* mo_uncapture
176			* parv[0] = sender prefix
177			* parv[1] = nickname masklist
178			*/
179			static void
180			mo_uncapture(struct Client client_p, struct Client source_p,
181			int parc, char *parv[])
182			{
183			struct Client *target_p = NULL;
184	michael	357	char nick[NICKLEN + 1];
185			char user[USERLEN + 1];
186			char host[HOSTLEN + 1];
187	adx	30	dlink_node *ptr = NULL;
188
189			if (MyClient(source_p) && !IsAdmin(source_p))
190			{
191			sendto_one(source_p, form_str(ERR_NOPRIVS),
192			me.name, source_p->name, "CAPTURE");
193			return;
194			}
195
196	michael	357	if (EmptyString(parv[1]))
197	adx	30	{
198			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
199			me.name, source_p->name);
200			return;
201			}
202
203	michael	357	if (strchr(parv[1], '@') == NULL)
204	adx	30	{
205			if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
206			{
207			if (MyConnect(target_p))
208			{
209			if (IsCaptured(target_p))
210			{
211			ClearCaptured(target_p);
212
213			sendto_realops_flags(UMODE_ALL, L_ALL, "Uncaptured %s (%s@%s)",
214			target_p->name, target_p->username,
215			target_p->host);
216			}
217
218			sendto_one(source_p, form_str(RPL_ISUNCAPTURED),
219			me.name, source_p->name, target_p->name);
220			}
221			else if (IsCapable(target_p->from, CAP_ENCAP))
222			sendto_one(target_p, ":%s ENCAP %s UNCAPTURE %s",
223			source_p->name, target_p->from->name, target_p->name);
224			}
225			else
226			sendto_one(source_p, form_str(ERR_NOSUCHNICK),
227			me.name, source_p->name, parv[1]);
228			}
229			else
230			{
231			unsigned int matches = 0;
232	michael	357	struct split_nuh_item nuh;
233	adx	30
234	michael	357	nuh.nuhmask = parv[1];
235			nuh.nickptr = nick;
236			nuh.userptr = user;
237			nuh.hostptr = host;
238	adx	30
239	michael	357	nuh.nicksize = sizeof(nick);
240			nuh.usersize = sizeof(user);
241			nuh.hostsize = sizeof(host);
242	adx	30
243	michael	357	split_nuh(&nuh);
244
245	adx	30	if (IsClient(client_p))
246	michael	405	sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0,
247	adx	30	":%s ENCAP * UNCAPTURE %s!%s@%s",
248			source_p->name, nick, user, host);
249
250			DLINK_FOREACH(ptr, local_client_list.head)
251			{
252			target_p = ptr->data;
253
254			if (!IsCaptured(target_p))
255			continue;
256
257			if (match(nick, target_p->name) &&
258			match(host, target_p->host) && match(user, target_p->username))
259			{
260			ClearCaptured(target_p);
261			++matches;
262			}
263			}
264
265			sendto_realops_flags(UMODE_ALL, L_ALL,
266			"Bulk uncaptured %s!%s@%s, %u local match(es)",
267			nick, user, host, matches);
268			}
269			}