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}
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&capture_msgtab);
  mod_add_cmd(&uncapture_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&capture_msgtab);
  mod_del_cmd(&uncapture_msgtab);
}

const char *_version = "$Revision$";
#endif

/* 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 = NULL, *user = NULL, *host = NULL;
  char *p = NULL;
  dlink_node *ptr = NULL;

  if (parc < 2 || 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 ((p = 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;

    /* p != NULL so user @ host given */
    nick = parv[1];
    *p++ = '\0';
    host = p;

    if ((p = strchr(nick, '!')) != NULL)
    {
      *p++ = '\0';
      user = p;
    }
    else
    {
      user = nick;
      nick = "*";
    }

    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, 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 = NULL, *user = NULL, *host = NULL, *p = NULL;
  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 (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  if ((p = 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;

    /* p != NULL so user @ host given */
    nick = parv[1];
    *p++ = '\0';
    host = p;

    if ((p = strchr(nick, '!')) != NULL)
    {
      *p++ = '\0';
      user = p;
    }
    else
    {
      user = nick;
      nick = "*";
    }

    if (IsClient(client_p))
      sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0, 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:	113
Committed:	Wed Oct 12 14:50:01 2005 UTC (20 years, 9 months ago) by knight
Content type:	text/x-csrc
File size:	7375 byte(s)
Log Message:	- Fix another valid_wild_card() implicit
#	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			{m_unregistered, m_ignore, mo_capture, mo_capture, mo_capture, m_ignore}
49			};
50
51			struct Message uncapture_msgtab = {
52			"UNCAPTURE", 0, 0, 0, 0, MFLG_SLOW, 0,
53			{m_unregistered, m_ignore, mo_uncapture, mo_uncapture, mo_uncapture, m_ignore}
54			};
55
56			#ifndef STATIC_MODULES
57			void
58			_modinit(void)
59			{
60			mod_add_cmd(&capture_msgtab);
61			mod_add_cmd(&uncapture_msgtab);
62			}
63
64			void
65			_moddeinit(void)
66			{
67			mod_del_cmd(&capture_msgtab);
68			mod_del_cmd(&uncapture_msgtab);
69			}
70
71	knight	31	const char *_version = "$Revision$";
72	adx	30	#endif
73
74			/* mo_capture
75			* parv[0] = sender prefix
76			* parv[1] = nickname masklist
77			*/
78			static void
79			mo_capture(struct Client client_p, struct Client source_p,
80			int parc, char *parv[])
81			{
82			struct Client *target_p = NULL;
83			char nick = NULL, user = NULL, *host = NULL;
84			char *p = NULL;
85			dlink_node *ptr = NULL;
86
87			if (parc < 2 \|\| EmptyString(parv[1]))
88			{
89			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
90			me.name, source_p->name);
91			return;
92			}
93
94			/* XXX Add oper flag in future ? */
95
96			if (MyClient(source_p) && !IsAdmin(source_p))
97			{
98			sendto_one(source_p, form_str(ERR_NOPRIVS),
99			me.name, source_p->name, "CAPTURE");
100			return;
101			}
102
103			if ((p = strchr(parv[1], '@')) == NULL)
104			{
105			if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
106			{
107			if (MyConnect(target_p) && source_p != target_p)
108			{
109			if (IsOper(target_p))
110			{
111			sendto_one(source_p, form_str(ERR_NOPRIVS),
112			me.name, source_p->name, "CAPTURE");
113			return;
114			}
115
116			if (!IsCaptured(target_p))
117			{
118			sendto_realops_flags(UMODE_ALL, L_ALL, "Captured %s (%s@%s)",
119			target_p->name, target_p->username,
120			target_p->host);
121			SetCaptured(target_p);
122			}
123
124			sendto_one(source_p, form_str(RPL_ISCAPTURED),
125			me.name, source_p->name, target_p->name);
126			}
127			else if (IsCapable(target_p->from, CAP_ENCAP))
128			sendto_one(target_p, ":%s ENCAP %s CAPTURE %s",
129			source_p->name, target_p->from->name, target_p->name);
130			}
131			else
132			sendto_one(source_p, form_str(ERR_NOSUCHNICK),
133			me.name, source_p->name, parv[1]);
134			}
135			else
136			{
137			unsigned int matches = 0;
138
139			/* p != NULL so user @ host given */
140			nick = parv[1];
141			*p++ = '\0';
142			host = p;
143
144			if ((p = strchr(nick, '!')) != NULL)
145			{
146			*p++ = '\0';
147			user = p;
148			}
149			else
150			{
151			user = nick;
152			nick = "*";
153			}
154
155			if (!valid_wild_card(source_p, YES, 3, nick, user, host))
156			return;
157
158			if (IsClient(client_p))
159			sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0, 0,
160			":%s ENCAP * CAPTURE %s!%s@%s",
161			source_p->name, nick, user, host);
162
163			DLINK_FOREACH(ptr, local_client_list.head)
164			{
165			target_p = ptr->data;
166
167			if ((source_p == target_p) \|\| IsOper(target_p) \|\| IsCaptured(target_p))
168			continue;
169
170			if (match(nick, target_p->name) &&
171			match(host, target_p->host) && match(user, target_p->username))
172			{
173			SetCaptured(target_p);
174			++matches;
175			}
176			}
177
178			sendto_realops_flags(UMODE_ALL, L_ALL,
179			"Bulk captured %s!%s@%s, %u local match(es)",
180			nick, user, host, matches);
181			}
182			}
183
184			/* mo_uncapture
185			* parv[0] = sender prefix
186			* parv[1] = nickname masklist
187			*/
188			static void
189			mo_uncapture(struct Client client_p, struct Client source_p,
190			int parc, char *parv[])
191			{
192			struct Client *target_p = NULL;
193			char nick = NULL, user = NULL, host = NULL, p = NULL;
194			dlink_node *ptr = NULL;
195
196			if (MyClient(source_p) && !IsAdmin(source_p))
197			{
198			sendto_one(source_p, form_str(ERR_NOPRIVS),
199			me.name, source_p->name, "CAPTURE");
200			return;
201			}
202
203			if (parc < 2 \|\| EmptyString(parv[1]))
204			{
205			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
206			me.name, source_p->name);
207			return;
208			}
209
210			if ((p = strchr(parv[1], '@')) == NULL)
211			{
212			if ((target_p = find_client(parv[1])) != NULL && IsClient(target_p))
213			{
214			if (MyConnect(target_p))
215			{
216			if (IsCaptured(target_p))
217			{
218			ClearCaptured(target_p);
219
220			sendto_realops_flags(UMODE_ALL, L_ALL, "Uncaptured %s (%s@%s)",
221			target_p->name, target_p->username,
222			target_p->host);
223			}
224
225			sendto_one(source_p, form_str(RPL_ISUNCAPTURED),
226			me.name, source_p->name, target_p->name);
227			}
228			else if (IsCapable(target_p->from, CAP_ENCAP))
229			sendto_one(target_p, ":%s ENCAP %s UNCAPTURE %s",
230			source_p->name, target_p->from->name, target_p->name);
231			}
232			else
233			sendto_one(source_p, form_str(ERR_NOSUCHNICK),
234			me.name, source_p->name, parv[1]);
235			}
236			else
237			{
238			unsigned int matches = 0;
239
240			/* p != NULL so user @ host given */
241			nick = parv[1];
242			*p++ = '\0';
243			host = p;
244
245			if ((p = strchr(nick, '!')) != NULL)
246			{
247			*p++ = '\0';
248			user = p;
249			}
250			else
251			{
252			user = nick;
253			nick = "*";
254			}
255
256			if (IsClient(client_p))
257			sendto_server(client_p, NULL, NULL, CAP_ENCAP, 0, 0,
258			":%s ENCAP * UNCAPTURE %s!%s@%s",
259			source_p->name, nick, user, host);
260
261			DLINK_FOREACH(ptr, local_client_list.head)
262			{
263			target_p = ptr->data;
264
265			if (!IsCaptured(target_p))
266			continue;
267
268			if (match(nick, target_p->name) &&
269			match(host, target_p->host) && match(user, target_p->username))
270			{
271			ClearCaptured(target_p);
272			++matches;
273			}
274			}
275
276			sendto_realops_flags(UMODE_ALL, L_ALL,
277			"Bulk uncaptured %s!%s@%s, %u local match(es)",
278			nick, user, host, matches);
279			}
280			}