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/*
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
*
* Copyright (c) 2001-2018 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: m_map.c 8430 2018-03-27 18:48:40Z michael $
*/
#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 *node;
static char prompt[64];
char buf[IRCD_BUFSIZE];
char *p = prompt + prompt_length;
unsigned int cnt = 0;
*p = '\0';
if (prompt_length > 60)
sendto_one_numeric(client, &me, RPL_MAPMORE, prompt, server->name);
else
{
unsigned int bufpos = snprintf(buf, sizeof(buf), "%s", server->name);
if (HasUMode(client, UMODE_OPER))
bufpos += snprintf(buf + bufpos, sizeof(buf) - bufpos, "[%s]", server->id);
buf[bufpos++] = ' ';
for (int dashes = 50 - bufpos - prompt_length; 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)dlink_list_length(&global_client_list));
sendto_one_numeric(client, &me, RPL_MAP, prompt, buf);
}
if (prompt_length)
{
*(p - 1) = ' ';
if (*(p - 2) == '`')
*(p - 2) = ' ';
}
if (prompt_length > 60)
return;
strcpy(p, "|-");
DLINK_FOREACH(node, server->serv->server_list.head)
{
struct Client *target_p = node->data;
if (IsHidden(target_p))
if (!HasUMode(client, UMODE_OPER))
continue;
if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
if (!HasUMode(client, UMODE_OPER))
continue;
++cnt;
}
DLINK_FOREACH(node, server->serv->server_list.head)
{
struct Client *target_p = node->data;
if (IsHidden(target_p))
if (!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)
*(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 uintmax_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 =
{
.cmd = "MAP",
.args_max = MAXPARA,
.handlers[UNREGISTERED_HANDLER] = m_unregistered,
.handlers[CLIENT_HANDLER] = m_map,
.handlers[SERVER_HANDLER] = m_ignore,
.handlers[ENCAP_HANDLER] = m_ignore,
.handlers[OPER_HANDLER] = mo_map
};
static void
module_init(void)
{
mod_add_cmd(&map_msgtab);
}
static void
module_exit(void)
{
mod_del_cmd(&map_msgtab);
}
struct module module_entry =
{
.version = "$Revision: 8430 $",
.modinit = module_init,
.modexit = module_exit,
};
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