trunk/modules/m_svsmode.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_svsmode.c
 * \brief Includes required functions for processing the SVSMODE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "channel_mode.h"
#include "parse.h"
#include "modules.h"
#include "irc_string.h"
#include "s_user.h"
#include "conf.h"
#include "hook.h"


/*! \brief SVSMODE command handler (called by 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] = nickname
 *      - parv[2] = TS (or mode, depending on svs version)
 *      - parv[3] = mode (or services id if old svs version)
 *      - parv[4] = optional argument (services id)
 */
static void
ms_svsmode(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL;
  int what = MODE_ADD;
  unsigned int flag = 0, setmodes = 0;
  char *m = NULL, *modes = NULL, *extarg = NULL;
  time_t ts = 0;

  if (!HasFlag(source_p, FLAGS_SERVICE))
    return;

  if ((parc >= 4) && ((*parv[3] == '+') || (*parv[3] == '-')))
  {
    ts     = atol(parv[2]);
    modes  = parv[3];
    extarg = (parc > 4) ? parv[4] : NULL;
  }
  else
  {
    modes  = parv[2];
    extarg = (parc > 3) ? parv[3] : NULL;
  }

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

  if (ts && (ts != target_p->tsinfo))
    return;

  setmodes = target_p->umodes;

  for (m = modes; *m; ++m)
  {
    switch (*m)
    {
      case '+':
        what = MODE_ADD;
        break;
      case '-':
        what = MODE_DEL;
        break;

      case 'd':
        if (!EmptyString(extarg))
          strlcpy(target_p->svid, extarg, sizeof(target_p->svid));
        break;

      case 'x':
        if (!EmptyString(extarg) && valid_hostname(extarg))
        {
          if (what == MODE_DEL &&  HasUMode(target_p, UMODE_HIDDENHOST))
            user_set_hostmask(target_p, extarg, what);
          if (what == MODE_ADD && !HasUMode(target_p, UMODE_HIDDENHOST))
            user_set_hostmask(target_p, extarg, what);
        }

        break;

      case 'o':
        if (what == MODE_DEL && HasUMode(target_p, UMODE_OPER))
        {
          ClearOper(target_p);
          Count.oper--;

          if (MyConnect(target_p))
          {
            dlink_node *dm = NULL;

            detach_conf(target_p, CONF_OPER);
            ClrOFlag(target_p);
            DelUMode(target_p, ConfigFileEntry.oper_only_umodes);
 
           if ((dm = dlinkFindDelete(&oper_list, target_p)) != NULL)
             free_dlink_node(dm);
          }
        }

        break;

      case 'i':
        if (what == MODE_ADD && !HasUMode(target_p, UMODE_INVISIBLE))
        {
          AddUMode(target_p, UMODE_INVISIBLE);
          ++Count.invisi;
        }

        if (what == MODE_DEL && HasUMode(target_p, UMODE_INVISIBLE))
        {
          DelUMode(target_p, UMODE_INVISIBLE);
          --Count.invisi;
        }

        break;

      default:
        if ((flag = user_modes[(unsigned char)*m]))
        {
          if (what == MODE_ADD)
            AddUMode(target_p, flag);
          else
            DelUMode(target_p, flag);
        }

        break;
    }
  }

  if (extarg)
  {
    sendto_server(client_p, CAP_TS6, NOCAPS,
                  ":%s SVSMODE %s %lu %s %s", ID(source_p),
                  ID(target_p), (unsigned long)target_p->tsinfo, modes, extarg);
    sendto_server(client_p, NOCAPS, CAP_TS6,
                  ":%s SVSMODE %s %lu %s %s", source_p->name,
                  target_p->name, (unsigned long)target_p->tsinfo, modes, extarg);
  }
  else
  {
    sendto_server(client_p, CAP_TS6, NOCAPS,
                  ":%s SVSMODE %s %lu %s", ID(source_p),
                  ID(target_p), (unsigned long)target_p->tsinfo, modes);
    sendto_server(client_p, NOCAPS, CAP_TS6,
                  ":%s SVSMODE %s %lu %s", source_p->name,
                  target_p->name, (unsigned long)target_p->tsinfo, modes);
  }

  if (MyConnect(target_p) && (setmodes != target_p->umodes))
  {
    char modebuf[IRCD_BUFSIZE];

    send_umode(target_p, target_p, setmodes, 0xffffffff, modebuf);
  }
}

static struct Message svsmode_msgtab = {
  "SVSMODE", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
  {m_ignore, m_ignore, ms_svsmode, m_ignore, m_ignore, m_ignore}
};

static void
module_init(void)
{
  mod_add_cmd(&svsmode_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&svsmode_msgtab);
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	2143
Committed:	Thu May 30 01:12:38 2013 UTC (12 years, 3 months ago) by michael
Content type:	text/x-csrc
File size:	6063 byte(s)
Log Message:	- m_svsmode.c: avoid HostServ floods
#	User	Rev	Content
1	michael	1159	/*
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_svsmode.c
24			* \brief Includes required functions for processing the SVSMODE command.
25	michael	1160	* \version $Id$
26	michael	1159	*/
27
28			#include "stdinc.h"
29			#include "client.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "s_serv.h"
33			#include "send.h"
34			#include "channel_mode.h"
35			#include "parse.h"
36			#include "modules.h"
37			#include "irc_string.h"
38			#include "s_user.h"
39	michael	1309	#include "conf.h"
40	michael	1243	#include "hook.h"
41	michael	1159
42
43	michael	1221	/*! \brief SVSMODE command handler (called by services)
44	michael	1159	*
45			* \param client_p Pointer to allocated Client struct with physical connection
46			* to this server, i.e. with an open socket connected.
47			* \param source_p Pointer to allocated Client struct from which the message
48			* originally comes from. This can be a local or remote client.
49			* \param parc Integer holding the number of supplied arguments.
50			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
51			* pointers.
52			* \note Valid arguments for this command are:
53			* - parv[0] = sender prefix
54			* - parv[1] = nickname
55	michael	2055	* - parv[2] = TS (or mode, depending on svs version)
56			* - parv[3] = mode (or services id if old svs version)
57			* - parv[4] = optional argument (services id)
58	michael	1159	*/
59			static void
60			ms_svsmode(struct Client client_p, struct Client source_p,
61			int parc, char *parv[])
62			{
63			struct Client *target_p = NULL;
64			int what = MODE_ADD;
65	michael	2056	unsigned int flag = 0, setmodes = 0;
66	michael	2055	char m = NULL, modes = NULL, *extarg = NULL;
67	michael	1159	time_t ts = 0;
68
69	michael	1221	if (!HasFlag(source_p, FLAGS_SERVICE))
70	michael	1159	return;
71
72	michael	2055	if ((parc >= 4) && ((parv[3] == '+') \|\| (parv[3] == '-')))
73			{
74			ts = atol(parv[2]);
75			modes = parv[3];
76			extarg = (parc > 4) ? parv[4] : NULL;
77			}
78			else
79			{
80			modes = parv[2];
81			extarg = (parc > 3) ? parv[3] : NULL;
82			}
83
84	michael	1159	if ((target_p = find_person(client_p, parv[1])) == NULL)
85			return;
86
87	michael	2055	if (ts && (ts != target_p->tsinfo))
88	michael	1159	return;
89
90	michael	2056	setmodes = target_p->umodes;
91	michael	1809
92	michael	2055	for (m = modes; *m; ++m)
93	michael	1159	{
94			switch (*m)
95			{
96			case '+':
97			what = MODE_ADD;
98			break;
99			case '-':
100			what = MODE_DEL;
101			break;
102	michael	1163
103			case 'd':
104	michael	2055	if (!EmptyString(extarg))
105	michael	1559	strlcpy(target_p->svid, extarg, sizeof(target_p->svid));
106	michael	1163	break;
107
108	michael	2056	case 'x':
109	michael	2137	if (!EmptyString(extarg) && valid_hostname(extarg))
110	michael	2143	{
111			if (what == MODE_DEL && HasUMode(target_p, UMODE_HIDDENHOST))
112			user_set_hostmask(target_p, extarg, what);
113			if (what == MODE_ADD && !HasUMode(target_p, UMODE_HIDDENHOST))
114			user_set_hostmask(target_p, extarg, what);
115			}
116
117	michael	2056	break;
118
119	michael	1159	case 'o':
120	michael	1219	if (what == MODE_DEL && HasUMode(target_p, UMODE_OPER))
121	michael	1159	{
122			ClearOper(target_p);
123			Count.oper--;
124
125			if (MyConnect(target_p))
126			{
127			dlink_node *dm = NULL;
128
129	michael	1632	detach_conf(target_p, CONF_OPER);
130	michael	1219	ClrOFlag(target_p);
131	michael	1159	DelUMode(target_p, ConfigFileEntry.oper_only_umodes);
132
133			if ((dm = dlinkFindDelete(&oper_list, target_p)) != NULL)
134			free_dlink_node(dm);
135			}
136			}
137
138			break;
139
140	michael	1163	case 'i':
141			if (what == MODE_ADD && !HasUMode(target_p, UMODE_INVISIBLE))
142			{
143			AddUMode(target_p, UMODE_INVISIBLE);
144			++Count.invisi;
145			}
146
147			if (what == MODE_DEL && HasUMode(target_p, UMODE_INVISIBLE))
148			{
149			DelUMode(target_p, UMODE_INVISIBLE);
150			--Count.invisi;
151			}
152
153			break;
154
155	michael	1159	default:
156			if ((flag = user_modes[(unsigned char)*m]))
157	michael	2022	{
158			if (what == MODE_ADD)
159			AddUMode(target_p, flag);
160			else
161			DelUMode(target_p, flag);
162			}
163
164	michael	1159	break;
165			}
166			}
167
168			if (extarg)
169			{
170	michael	1474	sendto_server(client_p, CAP_TS6, NOCAPS,
171	michael	1159	":%s SVSMODE %s %lu %s %s", ID(source_p),
172	michael	2055	ID(target_p), (unsigned long)target_p->tsinfo, modes, extarg);
173	michael	1474	sendto_server(client_p, NOCAPS, CAP_TS6,
174	michael	1159	":%s SVSMODE %s %lu %s %s", source_p->name,
175	michael	2055	target_p->name, (unsigned long)target_p->tsinfo, modes, extarg);
176	michael	1159	}
177			else
178			{
179	michael	1474	sendto_server(client_p, CAP_TS6, NOCAPS,
180	michael	1159	":%s SVSMODE %s %lu %s", ID(source_p),
181	michael	2055	ID(target_p), (unsigned long)target_p->tsinfo, modes);
182	michael	1474	sendto_server(client_p, NOCAPS, CAP_TS6,
183	michael	1159	":%s SVSMODE %s %lu %s", source_p->name,
184	michael	2055	target_p->name, (unsigned long)target_p->tsinfo, modes);
185	michael	1159	}
186
187	michael	2056	if (MyConnect(target_p) && (setmodes != target_p->umodes))
188	michael	1159	{
189			char modebuf[IRCD_BUFSIZE];
190
191	michael	2056	send_umode(target_p, target_p, setmodes, 0xffffffff, modebuf);
192	michael	1159	}
193			}
194	michael	1230
195			static struct Message svsmode_msgtab = {
196	michael	2055	"SVSMODE", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
197	michael	1230	{m_ignore, m_ignore, ms_svsmode, m_ignore, m_ignore, m_ignore}
198			};
199
200			static void
201			module_init(void)
202			{
203			mod_add_cmd(&svsmode_msgtab);
204			}
205
206			static void
207			module_exit(void)
208			{
209			mod_del_cmd(&svsmode_msgtab);
210			}
211
212			struct module module_entry = {
213			.node = { NULL, NULL, NULL },
214			.name = NULL,
215			.version = "$Revision$",
216			.handle = NULL,
217			.modinit = module_init,
218			.modexit = module_exit,
219			.flags = 0
220			};