trunk/modules/m_map.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2001-2014 ircd-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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file m_map.c
 * \brief Includes required functions for processing the MAP command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "modules.h"
#include "numeric.h"
#include "send.h"
#include "conf.h"
#include "ircd.h"
#include "parse.h"


static void dump_map(struct Client *client,
                     struct Client *server,
                     unsigned int prompt_length)
{
  dlink_node *ptr = NULL;
  struct Client *target_p = NULL;
  static char prompt[64];
  static char buf[IRCD_BUFSIZE];
  char *p = prompt + prompt_length;
  unsigned int cnt = 0;
  unsigned int bufpos = 0;

  *p = '\0';

  if (prompt_length > 60)
    sendto_one_numeric(client, &me, RPL_MAPMORE, prompt, server->name);
  else
  {
    int dashes;

    bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, "%s", server->name);

    if (HasUMode(client, UMODE_OPER) && server->id[0])
      bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, "[%s]", server->id);

    buf[bufpos++] = ' ';
    dashes = 50 - bufpos - prompt_length;
    for (; dashes > 0; --dashes)
      buf[bufpos++] = '-';
    buf[bufpos++] = ' ';
    buf[bufpos++] = '|';

    bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, " Users %5d (%1.2f%%)",
                       dlink_list_length(&server->serv->client_list), 100 *
                       (float)dlink_list_length(&server->serv->client_list) /
                       (float)Count.total);
    sendto_one_numeric(client, &me, RPL_MAP, prompt, buf);
  }

  if (prompt_length > 0)
  {
    *(p - 1) = ' ';

    if (*(p - 2) == '`')
      *(p - 2) = ' ';
  }

  if (prompt_length > 60)
    return;
  strcpy(p, "|-");

  DLINK_FOREACH(ptr, server->serv->server_list.head)
  {
    target_p = ptr->data;

    if (IsHidden(target_p) && !HasUMode(client, UMODE_OPER))
      continue;

    if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
      if (!HasUMode(client, UMODE_OPER))
        continue;

    ++cnt;
  }

  DLINK_FOREACH(ptr, server->serv->server_list.head)
  {
    target_p = ptr->data;

    if (IsHidden(target_p) && !HasUMode(client, UMODE_OPER))
      continue;

    if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
      if (!HasUMode(client, UMODE_OPER))
        continue;

    if (--cnt == 0)
      *p = '`';
    dump_map(client, target_p, prompt_length + 2);
  }

  if (prompt_length > 0)
    *(p - 1) = '-';
}

/*! \brief Sends a network topology map and notifies irc-operators
 *         about the MAP request
 *
 * \param source_p Pointer to client to report to
 */
static void
do_map(struct Client *source_p)
{
  sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
                       "MAP requested by %s (%s@%s) [%s]",
                       source_p->name, source_p->username,
                       source_p->host, source_p->servptr->name);
  dump_map(source_p, &me, 0);
}

/*! \brief MAP command handler
 *
 * \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] = command
 */
static int
m_map(struct Client *source_p, int parc, char *parv[])
{
  static time_t last_used = 0;

  if (ConfigServerHide.flatten_links)
    return m_not_oper(source_p, parc, parv);

  if ((last_used + ConfigGeneral.pace_wait) > CurrentTime)
  {
    sendto_one_numeric(source_p, &me, RPL_LOAD2HI, "MAP");
    return 0;
  }

  last_used = CurrentTime;

  do_map(source_p);
  sendto_one_numeric(source_p, &me, RPL_MAPEND);
  return 0;
}

/*! \brief MAP command handler
 *
 * \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] = command
 */
static int
mo_map(struct Client *source_p, int parc, char *parv[])
{
  do_map(source_p);
  sendto_one_numeric(source_p, &me, RPL_MAPEND);
  return 0;
}

static struct Message map_msgtab =
{
  "MAP", NULL, 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_map, m_ignore, m_ignore, mo_map, m_ignore }
};

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

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

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	4759
Committed:	Sun Oct 19 10:54:43 2014 UTC (10 years, 10 months ago) by michael
Content type:	text/x-csrc
File size:	5723 byte(s)
Log Message:	- Improved RPL_LOAD2HI numeric
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 2001-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2820	/*! \file m_map.c
23			* \brief Includes required functions for processing the MAP command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28			#include "client.h"
29			#include "modules.h"
30			#include "numeric.h"
31			#include "send.h"
32	michael	1309	#include "conf.h"
33	adx	30	#include "ircd.h"
34	michael	1243	#include "parse.h"
35	adx	30
36	michael	889
37	michael	1851	static void dump_map(struct Client *client,
38			struct Client *server,
39			unsigned int prompt_length)
40	adx	30	{
41	michael	1851	dlink_node *ptr = NULL;
42			struct Client *target_p = NULL;
43			static char prompt[64];
44	michael	2989	static char buf[IRCD_BUFSIZE];
45	michael	1851	char *p = prompt + prompt_length;
46	michael	3641	unsigned int cnt = 0;
47			unsigned int bufpos = 0;
48	adx	30
49	michael	1851	*p = '\0';
50	adx	30
51	michael	1851	if (prompt_length > 60)
52	michael	3109	sendto_one_numeric(client, &me, RPL_MAPMORE, prompt, server->name);
53	michael	1851	else
54	adx	30	{
55	michael	2989	int dashes;
56	adx	30
57	michael	2989	bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, "%s", server->name);
58
59	michael	1851	if (HasUMode(client, UMODE_OPER) && server->id[0])
60	michael	2989	bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, "[%s]", server->id);
61	michael	889
62	michael	2989	buf[bufpos++] = ' ';
63			dashes = 50 - bufpos - prompt_length;
64			for (; dashes > 0; --dashes)
65			buf[bufpos++] = '-';
66			buf[bufpos++] = ' ';
67			buf[bufpos++] = '\|';
68
69			bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, " Users %5d (%1.2f%%)",
70			dlink_list_length(&server->serv->client_list), 100 *
71			(float)dlink_list_length(&server->serv->client_list) /
72			(float)Count.total);
73	michael	3109	sendto_one_numeric(client, &me, RPL_MAP, prompt, buf);
74	michael	1851	}
75	michael	889
76	michael	1851	if (prompt_length > 0)
77			{
78			*(p - 1) = ' ';
79	adx	30
80	michael	1851	if (*(p - 2) == '`')
81			*(p - 2) = ' ';
82			}
83	adx	30
84	michael	1851	if (prompt_length > 60)
85			return;
86			strcpy(p, "\|-");
87	adx	30
88	michael	1851	DLINK_FOREACH(ptr, server->serv->server_list.head)
89	adx	30	{
90	michael	1851	target_p = ptr->data;
91	adx	30
92	michael	2751	if (IsHidden(target_p) && !HasUMode(client, UMODE_OPER))
93			continue;
94
95	michael	1851	if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
96			if (!HasUMode(client, UMODE_OPER))
97			continue;
98	adx	30
99	michael	1851	++cnt;
100	adx	30	}
101
102	michael	1851	DLINK_FOREACH(ptr, server->serv->server_list.head)
103	adx	30	{
104	michael	1851	target_p = ptr->data;
105	adx	30
106	michael	2751	if (IsHidden(target_p) && !HasUMode(client, UMODE_OPER))
107			continue;
108
109	michael	1851	if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
110			if (!HasUMode(client, UMODE_OPER))
111			continue;
112	michael	889
113	michael	1851	if (--cnt == 0)
114			*p = '`';
115			dump_map(client, target_p, prompt_length + 2);
116			}
117	michael	889
118	michael	1851	if (prompt_length > 0)
119			*(p - 1) = '-';
120	adx	30	}
121	michael	1230
122	michael	3345	/*! \brief Sends a network topology map and notifies irc-operators
123			* about the MAP request
124			*
125			* \param source_p Pointer to client to report to
126			*/
127			static void
128			do_map(struct Client *source_p)
129			{
130			sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
131			"MAP requested by %s (%s@%s) [%s]",
132			source_p->name, source_p->username,
133			source_p->host, source_p->servptr->name);
134			dump_map(source_p, &me, 0);
135			}
136
137	michael	3266	/*! \brief MAP command handler
138			*
139			* \param source_p Pointer to allocated Client struct from which the message
140			* originally comes from. This can be a local or remote client.
141			* \param parc Integer holding the number of supplied arguments.
142			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
143			* pointers.
144			* \note Valid arguments for this command are:
145			* - parv[0] = command
146	michael	1230	*/
147	michael	2820	static int
148	michael	3156	m_map(struct Client source_p, int parc, char parv[])
149	michael	1230	{
150			static time_t last_used = 0;
151
152			if (ConfigServerHide.flatten_links)
153	michael	3156	return m_not_oper(source_p, parc, parv);
154	michael	1230
155	michael	4340	if ((last_used + ConfigGeneral.pace_wait) > CurrentTime)
156	michael	1230	{
157	michael	4759	sendto_one_numeric(source_p, &me, RPL_LOAD2HI, "MAP");
158	michael	2820	return 0;
159	michael	1230	}
160
161			last_used = CurrentTime;
162
163	michael	3345	do_map(source_p);
164	michael	3109	sendto_one_numeric(source_p, &me, RPL_MAPEND);
165	michael	2820	return 0;
166	michael	1230	}
167
168	michael	3266	/*! \brief MAP command handler
169			*
170			* \param source_p Pointer to allocated Client struct from which the message
171			* originally comes from. This can be a local or remote client.
172			* \param parc Integer holding the number of supplied arguments.
173			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
174			* pointers.
175			* \note Valid arguments for this command are:
176			* - parv[0] = command
177	michael	1230	*/
178	michael	2820	static int
179	michael	3156	mo_map(struct Client source_p, int parc, char parv[])
180	michael	1230	{
181	michael	3345	do_map(source_p);
182	michael	3109	sendto_one_numeric(source_p, &me, RPL_MAPEND);
183	michael	2820	return 0;
184	michael	1230	}
185
186	michael	2820	static struct Message map_msgtab =
187			{
188	michael	4545	"MAP", NULL, 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
189	michael	1230	{ m_unregistered, m_map, m_ignore, m_ignore, mo_map, m_ignore }
190			};
191
192			static void
193			module_init(void)
194			{
195			mod_add_cmd(&map_msgtab);
196			}
197
198			static void
199			module_exit(void)
200			{
201			mod_del_cmd(&map_msgtab);
202			}
203
204	michael	2820	struct module module_entry =
205			{
206	michael	1230	.node = { NULL, NULL, NULL },
207			.name = NULL,
208			.version = "$Revision$",
209			.handle = NULL,
210			.modinit = module_init,
211			.modexit = module_exit,
212			.flags = 0
213			};