8.2.x/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  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;
  int cnt = 0;
  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 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 + ConfigFileEntry.pace_wait) > CurrentTime)
  {
    sendto_one_numeric(source_p, &me, RPL_LOAD2HI);
    return 0;
  }

  last_used = CurrentTime;

  dump_map(source_p, &me, 0);
  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[])
{
  dump_map(source_p, &me, 0);
  sendto_one_numeric(source_p, &me, RPL_MAPEND);
  return 0;
}

static struct Message map_msgtab =
{
  "MAP", 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:	3300
Committed:	Sat Apr 12 18:26:22 2014 UTC (12 years, 3 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/trunk/modules/m_map.c*
File size:	5237 byte(s)
Log Message:	- doxygen
#	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			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* 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			int cnt = 0;
47	michael	2989	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	3266	/*! \brief MAP command handler
123			*
124			* \param source_p Pointer to allocated Client struct from which the message
125			* originally comes from. This can be a local or remote client.
126			* \param parc Integer holding the number of supplied arguments.
127			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
128			* pointers.
129			* \note Valid arguments for this command are:
130			* - parv[0] = command
131	michael	1230	*/
132	michael	2820	static int
133	michael	3156	m_map(struct Client source_p, int parc, char parv[])
134	michael	1230	{
135			static time_t last_used = 0;
136
137			if (ConfigServerHide.flatten_links)
138	michael	3156	return m_not_oper(source_p, parc, parv);
139	michael	1230
140			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
141			{
142	michael	3109	sendto_one_numeric(source_p, &me, RPL_LOAD2HI);
143	michael	2820	return 0;
144	michael	1230	}
145
146			last_used = CurrentTime;
147
148	michael	1851	dump_map(source_p, &me, 0);
149	michael	3109	sendto_one_numeric(source_p, &me, RPL_MAPEND);
150	michael	2820	return 0;
151	michael	1230	}
152
153	michael	3266	/*! \brief MAP command handler
154			*
155			* \param source_p Pointer to allocated Client struct from which the message
156			* originally comes from. This can be a local or remote client.
157			* \param parc Integer holding the number of supplied arguments.
158			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
159			* pointers.
160			* \note Valid arguments for this command are:
161			* - parv[0] = command
162	michael	1230	*/
163	michael	2820	static int
164	michael	3156	mo_map(struct Client source_p, int parc, char parv[])
165	michael	1230	{
166	michael	1851	dump_map(source_p, &me, 0);
167	michael	3109	sendto_one_numeric(source_p, &me, RPL_MAPEND);
168	michael	2820	return 0;
169	michael	1230	}
170
171	michael	2820	static struct Message map_msgtab =
172			{
173	michael	1230	"MAP", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
174			{ m_unregistered, m_map, m_ignore, m_ignore, mo_map, m_ignore }
175			};
176
177			static void
178			module_init(void)
179			{
180			mod_add_cmd(&map_msgtab);
181			}
182
183			static void
184			module_exit(void)
185			{
186			mod_del_cmd(&map_msgtab);
187			}
188
189	michael	2820	struct module module_entry =
190			{
191	michael	1230	.node = { NULL, NULL, NULL },
192			.name = NULL,
193			.version = "$Revision$",
194			.handle = NULL,
195			.modinit = module_init,
196			.modexit = module_exit,
197			.flags = 0
198			};